Merge pull request #922 from ethcore/beta-staging

Master to beta v1.0.2

.dockerignore

@@ -1,22 +0,0 @@
-# Generated by Cargo
-# will have compiled files and executables
-target
-
-*.swp
-*.swo
-*.swn
-*.DS_Store
-
-# Visual Studio Code stuff
-.vscode
-
-# GitEye stuff
-.project
-
-# idea ide
-.idea
-
-# git stuff
-.git
-
-ethcore/res/ethereum/tests

.editorconfig

@@ -9,8 +9,3 @@ trim_trailing_whitespace=true
 max_line_length=120
 insert_final_newline=true
 
-[.travis.yml]
-indent_style=space
-indent_size=2
-tab_width=8
-end_of_line=lf

.gitignore

@@ -19,10 +19,6 @@
 # mac stuff
 .DS_Store
 
-# npm stuff
-npm-debug.log
-node_modules
-
 # gdb files
 .gdb_history
 
@@ -34,7 +30,3 @@ node_modules
 
 # Build artifacts
 out/
-
-.vscode
-
-/parity.*

.gitlab-ci.yml

@@ -1,700 +0,0 @@
-stages:
-  - test
-  - js-build
-  - push-release
-  - build
-variables:
-  GIT_DEPTH: "3"
-  SIMPLECOV: "true"
-  RUST_BACKTRACE: "1"
-  RUSTFLAGS: ""
-  CARGOFLAGS: ""
-  CI_SERVER_NAME: "GitLab CI"
-cache:
-  key: "$CI_BUILD_STAGE/$CI_BUILD_REF_NAME"
-  untracked: true
-linux-stable:
-  stage: build
-  image: parity/rust:gitlab-ci
-  only:
-    - beta
-    - tags
-    - stable
-    - triggers
-  script:
-    - rustup default stable
-    - cargo build -j $(nproc) --release --features final $CARGOFLAGS
-    - cargo build -j $(nproc) --release -p evmbin
-    - cargo build -j $(nproc) --release -p ethstore-cli
-    - cargo build -j $(nproc) --release -p ethkey-cli
-    - strip target/release/parity
-    - strip target/release/parity-evm
-    - strip target/release/ethstore
-    - strip target/release/ethkey
-    - export SHA3=$(target/release/parity tools hash target/release/parity)
-    - md5sum target/release/parity > parity.md5
-    - sh scripts/deb-build.sh amd64
-    - cp target/release/parity deb/usr/bin/parity
-    - cp target/release/parity-evm deb/usr/bin/parity-evm
-    - cp target/release/ethstore deb/usr/bin/ethstore
-    - cp target/release/ethkey deb/usr/bin/ethkey
-    - export VER=$(grep -m 1 version Cargo.toml | awk '{print $3}' | tr -d '"' | tr -d "\n")
-    - dpkg-deb -b deb "parity_"$VER"_amd64.deb"
-    - md5sum "parity_"$VER"_amd64.deb" > "parity_"$VER"_amd64.deb.md5"
-    - aws configure set aws_access_key_id $s3_key
-    - aws configure set aws_secret_access_key $s3_secret
-    - if [[ $CI_BUILD_REF_NAME =~ ^(master|beta|stable|nightly)$ ]]; then export S3_BUCKET=builds-parity-published; else export S3_BUCKET=builds-parity; fi
-    - aws s3 rm --recursive s3://$S3_BUCKET/$CI_BUILD_REF_NAME/x86_64-unknown-linux-gnu
-    - aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/x86_64-unknown-linux-gnu/parity --body target/release/parity
-    - aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/x86_64-unknown-linux-gnu/parity.md5 --body parity.md5
-    - aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/x86_64-unknown-linux-gnu/"parity_"$VER"_amd64.deb" --body "parity_"$VER"_amd64.deb"
-    - aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/x86_64-unknown-linux-gnu/"parity_"$VER"_amd64.deb.md5" --body "parity_"$VER"_amd64.deb.md5"
-    - curl --data "commit=$CI_BUILD_REF&sha3=$SHA3&filename=parity&secret=$RELEASES_SECRET" http://update.parity.io:1337/push-build/$CI_BUILD_REF_NAME/x86_64-unknown-linux-gnu
-    - curl --data "commit=$CI_BUILD_REF&sha3=$SHA3&filename=parity&secret=$RELEASES_SECRET" http://update.parity.io:1338/push-build/$CI_BUILD_REF_NAME/x86_64-unknown-linux-gnu
-  tags:
-    - rust
-    - rust-stable
-  artifacts:
-    paths:
-    - target/release/parity
-    - target/release/parity-evm
-    - target/release/ethstore
-    - target/release/ethkey
-    name: "stable-x86_64-unknown-linux-gnu_parity"
-linux-snap:
-  stage: build
-  image: parity/snapcraft:gitlab-ci
-  only:
-    - snap
-    - beta
-    - tags
-    - triggers
-  script:
-    - export VER=$(grep -m 1 version Cargo.toml | awk '{print $3}' | tr -d '"' | tr -d "\n")
-    - cd snap
-    - rm -rf *snap
-    - sed -i 's/master/'"$VER"'/g' snapcraft.yaml
-    - echo "Version:"$VER
-    - snapcraft
-    - ls
-    #- cp "parity_"$CI_BUILD"_amd64.snap" "parity_"$VER"_amd64.snap"
-    - md5sum "parity_"$VER"_amd64.snap" > "parity_"$VER"_amd64.snap.md5"
-    - file "parity_"$VER"_amd64.snap.md5"
-    - cat "parity_"$VER"_amd64.snap.md5"
-    - aws configure set aws_access_key_id $s3_key
-    - aws configure set aws_secret_access_key $s3_secret
-    - if [[ $CI_BUILD_REF_NAME =~ ^(master|beta|stable|nightly)$ ]]; then export S3_BUCKET=builds-parity-published; else export S3_BUCKET=builds-parity; fi
-    - aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/x86_64-unknown-linux-gnu/"parity_"$VER"_amd64.snap" --body "parity_"$VER"_amd64.snap"
-    - aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/x86_64-unknown-linux-gnu/"parity_"$VER"_amd64.snap.md5" --body "parity_"$VER"_amd64.snap.md5"
-    - curl --data "commit=$CI_BUILD_REF&sha3=$SHA3&filename=parity&secret=$RELEASES_SECRET" http://update.parity.io:1337/push-build/$CI_BUILD_REF_NAME/x86_64-unknown-linux-gnu
-    - curl --data "commit=$CI_BUILD_REF&sha3=$SHA3&filename=parity&secret=$RELEASES_SECRET" http://update.parity.io:1338/push-build/$CI_BUILD_REF_NAME/x86_64-unknown-linux-gnu
-  tags:
-    - rust
-    - rust-stable
-  artifacts:
-    paths:
-    - scripts/parity_*_amd64.snap
-    name: "stable-x86_64-unknown-snap-gnu_parity"
-  allow_failure: true  
-linux-stable-debian:
-  stage: build
-  image: parity/rust-debian:gitlab-ci
-  only:
-    - beta
-    - tags
-    - stable
-    - triggers
-  script:
-    - cargo build -j $(nproc) --release --features final $CARGOFLAGS
-    - cargo build -j $(nproc) --release -p evmbin
-    - cargo build -j $(nproc) --release -p ethstore-cli
-    - cargo build -j $(nproc) --release -p ethkey-cli
-    - strip target/release/parity
-    - strip target/release/parity-evm
-    - strip target/release/ethstore
-    - strip target/release/ethkey
-    - export SHA3=$(target/release/parity tools hash target/release/parity)
-    - md5sum target/release/parity > parity.md5
-    - sh scripts/deb-build.sh amd64
-    - cp target/release/parity deb/usr/bin/parity
-    - cp target/release/parity-evm deb/usr/bin/parity-evm
-    - cp target/release/ethstore deb/usr/bin/ethstore
-    - cp target/release/ethkey deb/usr/bin/ethkey
-    - export VER=$(grep -m 1 version Cargo.toml | awk '{print $3}' | tr -d '"' | tr -d "\n")
-    - dpkg-deb -b deb "parity_"$VER"_amd64.deb"
-    - md5sum "parity_"$VER"_amd64.deb" > "parity_"$VER"_amd64.deb.md5"
-    - aws configure set aws_access_key_id $s3_key
-    - aws configure set aws_secret_access_key $s3_secret
-    - if [[ $CI_BUILD_REF_NAME =~ ^(master|beta|stable|nightly)$ ]]; then export S3_BUCKET=builds-parity-published; else export S3_BUCKET=builds-parity; fi
-    - aws s3 rm --recursive s3://$S3_BUCKET/$CI_BUILD_REF_NAME/x86_64-unknown-debian-gnu
-    - aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/x86_64-unknown-debian-gnu/parity --body target/release/parity
-    - aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/x86_64-unknown-debian-gnu/parity.md5 --body parity.md5
-    - aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/x86_64-unknown-debian-gnu/"parity_"$VER"_amd64.deb" --body "parity_"$VER"_amd64.deb"
-    - aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/x86_64-unknown-debian-gnu/"parity_"$VER"_amd64.deb.md5" --body "parity_"$VER"_amd64.deb.md5"
-    - curl --data "commit=$CI_BUILD_REF&sha3=$SHA3&filename=parity&secret=$RELEASES_SECRET" http://update.parity.io:1337/push-build/$CI_BUILD_REF_NAME/x86_64-unknown-debian-gnu
-    - curl --data "commit=$CI_BUILD_REF&sha3=$SHA3&filename=parity&secret=$RELEASES_SECRET" http://update.parity.io:1338/push-build/$CI_BUILD_REF_NAME/x86_64-unknown-debian-gnu
-  tags:
-    - rust
-    - rust-debian
-  artifacts:
-    paths:
-    - target/release/parity
-    name: "stable-x86_64-unknown-debian-gnu_parity"
-linux-beta:
-  stage: build
-  image: parity/rust:gitlab-ci
-  only:
-    - beta
-    - tags
-    - stable
-    - triggers
-  script:
-    - rustup default beta
-    - cargo build -j $(nproc) --release $CARGOFLAGS
-    - strip target/release/parity
-  tags:
-    - rust
-    - rust-beta
-  artifacts:
-    paths:
-    - target/release/parity
-    name: "beta-x86_64-unknown-linux-gnu_parity"
-  allow_failure: true
-linux-nightly:
-  stage: build
-  image: parity/rust:gitlab-ci
-  only:
-    - beta
-    - tags
-    - stable
-    - triggers
-  script:
-    - rustup default nightly
-    - cargo build -j $(nproc) --release $CARGOFLAGS
-    - strip target/release/parity
-  tags:
-    - rust
-    - rust-nightly
-  artifacts:
-    paths:
-    - target/release/parity
-    name: "nigthly-x86_64-unknown-linux-gnu_parity"
-  allow_failure: true
-linux-centos:
-  stage: build
-  image: parity/rust-centos:gitlab-ci
-  only:
-    - beta
-    - tags
-    - stable
-    - triggers
-  script:
-    - export CXX="g++"
-    - export CC="gcc"
-    - export PLATFORM=x86_64-unknown-centos-gnu
-    - cargo build -j $(nproc) --release --features final $CARGOFLAGS
-    - cargo build -j $(nproc) --release -p evmbin
-    - cargo build -j $(nproc) --release -p ethstore-cli
-    - cargo build -j $(nproc) --release -p ethkey-cli
-    - strip target/release/parity
-    - strip target/release/parity-evm
-    - strip target/release/ethstore
-    - strip target/release/ethkey
-    - md5sum target/release/parity > parity.md5
-    - md5sum target/release/parity-evm > parity-evm.md5
-    - md5sum target/release/ethstore > ethstore.md5
-    - md5sum target/release/ethkey > ethkey.md5
-    - export SHA3=$(target/release/parity tools hash target/release/parity)
-    - aws configure set aws_access_key_id $s3_key
-    - aws configure set aws_secret_access_key $s3_secret
-    - if [[ $CI_BUILD_REF_NAME =~ ^(master|beta|stable|nightly)$ ]]; then export S3_BUCKET=builds-parity-published; else export S3_BUCKET=builds-parity; fi
-    - aws s3 rm --recursive s3://$S3_BUCKET/$CI_BUILD_REF_NAME/x86_64-unknown-centos-gnu
-    - aws s3api put-object --bucket builds-parity --key $CI_BUILD_REF_NAME/x86_64-unknown-centos-gnu/parity --body target/release/parity
-    - aws s3api put-object --bucket builds-parity --key $CI_BUILD_REF_NAME/x86_64-unknown-centos-gnu/parity.md5 --body parity.md5
-    - aws s3api put-object --bucket builds-parity --key $CI_BUILD_REF_NAME/x86_64-unknown-centos-gnu/parity-evm --body target/release/parity-evm
-    - aws s3api put-object --bucket builds-parity --key $CI_BUILD_REF_NAME/x86_64-unknown-centos-gnu/parity-evm.md5 --body parity-evm.md5
-    - aws s3api put-object --bucket builds-parity --key $CI_BUILD_REF_NAME/x86_64-unknown-centos-gnu/ethstore --body target/release/ethstore
-    - aws s3api put-object --bucket builds-parity --key $CI_BUILD_REF_NAME/x86_64-unknown-centos-gnu/ethstore.md5 --body ethstore.md5
-    - aws s3api put-object --bucket builds-parity --key $CI_BUILD_REF_NAME/x86_64-unknown-centos-gnu/ethkey --body target/release/ethkey
-    - aws s3api put-object --bucket builds-parity --key $CI_BUILD_REF_NAME/x86_64-unknown-centos-gnu/ethkey.md5 --body ethkey.md5
-    - curl --data "commit=$CI_BUILD_REF&sha3=$SHA3&filename=parity&secret=$RELEASES_SECRET" http://update.parity.io:1337/push-build/$CI_BUILD_REF_NAME/$PLATFORM
-    - curl --data "commit=$CI_BUILD_REF&sha3=$SHA3&filename=parity&secret=$RELEASES_SECRET" http://update.parity.io:1338/push-build/$CI_BUILD_REF_NAME/$PLATFORM
-  tags:
-    - rust
-    - rust-centos
-  artifacts:
-    paths:
-    - target/release/parity
-    name: "x86_64-unknown-centos-gnu_parity"
-linux-i686:
-  stage: build
-  image: parity/rust-i686:gitlab-ci
-  only:
-    - beta
-    - tags
-    - stable
-    - triggers
-  script:
-    - export HOST_CC=gcc
-    - export HOST_CXX=g++
-    - export COMMIT=$(git rev-parse HEAD)
-    - export PLATFORM=i686-unknown-linux-gnu
-    - cargo build -j $(nproc) --target $PLATFORM --features final --release $CARGOFLAGS
-    - cargo build -j $(nproc) --target $PLATFORM --release -p evmbin
-    - cargo build -j $(nproc) --target $PLATFORM --release -p ethstore-cli
-    - cargo build -j $(nproc) --target $PLATFORM --release -p ethkey-cli
-    - strip target/$PLATFORM/release/parity
-    - strip target/$PLATFORM/release/parity-evm
-    - strip target/$PLATFORM/release/ethstore
-    - strip target/$PLATFORM/release/ethkey   
-    - strip target/$PLATFORM/release/parity
-    - md5sum target/$PLATFORM/release/parity > parity.md5
-    - export SHA3=$(target/$PLATFORM/release/parity tools hash target/$PLATFORM/release/parity)
-    - sh scripts/deb-build.sh i386
-    - cp target/$PLATFORM/release/parity deb/usr/bin/parity
-    - cp target/$PLATFORM/release/parity-evm deb/usr/bin/parity-evm
-    - cp target/$PLATFORM/release/ethstore deb/usr/bin/ethstore
-    - cp target/$PLATFORM/release/ethkey deb/usr/bin/ethkey
-    - export VER=$(grep -m 1 version Cargo.toml | awk '{print $3}' | tr -d '"' | tr -d "\n")
-    - dpkg-deb -b deb "parity_"$VER"_i386.deb"
-    - md5sum "parity_"$VER"_i386.deb" > "parity_"$VER"_i386.deb.md5"
-    - aws configure set aws_access_key_id $s3_key
-    - aws configure set aws_secret_access_key $s3_secret
-    - if [[ $CI_BUILD_REF_NAME =~ ^(master|beta|stable|nightly)$ ]]; then export S3_BUCKET=builds-parity-published; else export S3_BUCKET=builds-parity; fi
-    - aws s3 rm --recursive s3://$S3_BUCKET/$CI_BUILD_REF_NAME/$PLATFORM
-    - aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/$PLATFORM/parity --body target/$PLATFORM/release/parity
-    - aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/$PLATFORM/parity.md5 --body parity.md5
-    - aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/$PLATFORM/"parity_"$VER"_i386.deb" --body "parity_"$VER"_i386.deb"
-    - aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/$PLATFORM/"parity_"$VER"_i386.deb.md5" --body "parity_"$VER"_i386.deb.md5"
-    - curl --data "commit=$CI_BUILD_REF&sha3=$SHA3&filename=parity&secret=$RELEASES_SECRET" http://update.parity.io:1337/push-build/$CI_BUILD_REF_NAME/$PLATFORM
-    - curl --data "commit=$CI_BUILD_REF&sha3=$SHA3&filename=parity&secret=$RELEASES_SECRET" http://update.parity.io:1338/push-build/$CI_BUILD_REF_NAME/$PLATFORM
-  tags:
-    - rust
-    - rust-i686
-  artifacts:
-    paths:
-      - target/i686-unknown-linux-gnu/release/parity
-    name: "i686-unknown-linux-gnu"
-  allow_failure: true
-linux-armv7:
-  stage: build
-  image: parity/rust-armv7:gitlab-ci
-  only:
-    - beta
-    - tags
-    - stable
-    - triggers
-  script:
-    - export CC=arm-linux-gnueabihf-gcc
-    - export CXX=arm-linux-gnueabihf-g++
-    - export HOST_CC=gcc
-    - export HOST_CXX=g++
-    - export PLATFORM=armv7-unknown-linux-gnueabihf
-    - rm -rf .cargo
-    - mkdir -p .cargo
-    - echo "[target.$PLATFORM]" >> .cargo/config
-    - echo "linker= \"arm-linux-gnueabihf-gcc\"" >> .cargo/config
-    - cat .cargo/config
-    - cargo build -j $(nproc) --target $PLATFORM --features final --release $CARGOFLAGS
-    - cargo build -j $(nproc) --target $PLATFORM --release -p evmbin
-    - cargo build -j $(nproc) --target $PLATFORM --release -p ethstore-cli
-    - cargo build -j $(nproc) --target $PLATFORM --release -p ethkey-cli
-    - md5sum target/$PLATFORM/release/parity > parity.md5
-    - export SHA3=$(target/$PLATFORM/release/parity tools hash target/$PLATFORM/release/parity)
-    - sh scripts/deb-build.sh i386
-    - arm-linux-gnueabihf-strip target/$PLATFORM/release/parity
-    - arm-linux-gnueabihf-strip target/$PLATFORM/release/parity-evm
-    - arm-linux-gnueabihf-strip target/$PLATFORM/release/ethstore
-    - arm-linux-gnueabihf-strip target/$PLATFORM/release/ethkey
-    - export SHA3=$(rhash --sha3-256 target/$PLATFORM/release/parity -p %h)
-    - md5sum target/$PLATFORM/release/parity > parity.md5
-    - sh scripts/deb-build.sh armhf
-    - cp target/$PLATFORM/release/parity deb/usr/bin/parity
-    - cp target/$PLATFORM/release/parity-evm deb/usr/bin/parity-evm
-    - cp target/$PLATFORM/release/ethstore deb/usr/bin/ethstore
-    - cp target/$PLATFORM/release/ethkey deb/usr/bin/ethkey
-    - export VER=$(grep -m 1 version Cargo.toml | awk '{print $3}' | tr -d '"' | tr -d "\n")
-    - dpkg-deb -b deb "parity_"$VER"_armhf.deb"
-    - md5sum "parity_"$VER"_armhf.deb" > "parity_"$VER"_armhf.deb.md5"
-    - aws configure set aws_access_key_id $s3_key
-    - aws configure set aws_secret_access_key $s3_secret
-    - if [[ $CI_BUILD_REF_NAME =~ ^(master|beta|stable|nightly)$ ]]; then export S3_BUCKET=builds-parity-published; else export S3_BUCKET=builds-parity; fi
-    - aws s3 rm --recursive s3://$S3_BUCKET/$CI_BUILD_REF_NAME/$PLATFORM
-    - aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/$PLATFORM/parity --body target/$PLATFORM/release/parity
-    - aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/$PLATFORM/parity.md5 --body parity.md5
-    - aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/$PLATFORM/"parity_"$VER"_armhf.deb" --body "parity_"$VER"_armhf.deb"
-    - aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/$PLATFORM/"parity_"$VER"_armhf.deb.md5" --body "parity_"$VER"_armhf.deb.md5"
-    - curl --data "commit=$CI_BUILD_REF&sha3=$SHA3&filename=parity&secret=$RELEASES_SECRET" http://update.parity.io:1337/push-build/$CI_BUILD_REF_NAME/$PLATFORM
-    - curl --data "commit=$CI_BUILD_REF&sha3=$SHA3&filename=parity&secret=$RELEASES_SECRET" http://update.parity.io:1338/push-build/$CI_BUILD_REF_NAME/$PLATFORM
-  tags:
-    - rust
-    - rust-arm
-  artifacts:
-    paths:
-    - target/armv7-unknown-linux-gnueabihf/release/parity
-    name: "armv7_unknown_linux_gnueabihf_parity"
-  allow_failure: true
-linux-arm:
-  stage: build
-  image: parity/rust-arm:gitlab-ci
-  only:
-    - beta
-    - tags
-    - stable
-    - triggers
-  script:
-    - export CC=arm-linux-gnueabihf-gcc
-    - export CXX=arm-linux-gnueabihf-g++
-    - export HOST_CC=gcc
-    - export HOST_CXX=g++
-    - export PLATFORM=arm-unknown-linux-gnueabihf
-    - rm -rf .cargo
-    - mkdir -p .cargo
-    - echo "[target.$PLATFORM]" >> .cargo/config
-    - echo "linker= \"arm-linux-gnueabihf-gcc\"" >> .cargo/config
-    - cat .cargo/config
-    - cargo build -j $(nproc) --target $PLATFORM --features final --release $CARGOFLAGS
-    - cargo build -j $(nproc) --target $PLATFORM --release -p evmbin
-    - cargo build -j $(nproc) --target $PLATFORM --release -p ethstore-cli
-    - cargo build -j $(nproc) --target $PLATFORM --release -p ethkey-cli
-    - arm-linux-gnueabihf-strip target/$PLATFORM/release/parity
-    - arm-linux-gnueabihf-strip target/$PLATFORM/release/parity-evm
-    - arm-linux-gnueabihf-strip target/$PLATFORM/release/ethstore
-    - arm-linux-gnueabihf-strip target/$PLATFORM/release/ethkey
-    - export SHA3=$(rhash --sha3-256 target/$PLATFORM/release/parity -p %h)
-    - md5sum target/$PLATFORM/release/parity > parity.md5
-    - sh scripts/deb-build.sh armhf
-    - cp target/$PLATFORM/release/parity deb/usr/bin/parity
-    - cp target/$PLATFORM/release/parity-evm deb/usr/bin/parity-evm
-    - cp target/$PLATFORM/release/ethstore deb/usr/bin/ethstore
-    - cp target/$PLATFORM/release/ethkey deb/usr/bin/ethkey
-    - export VER=$(grep -m 1 version Cargo.toml | awk '{print $3}' | tr -d '"' | tr -d "\n")
-    - dpkg-deb -b deb "parity_"$VER"_armhf.deb"
-    - md5sum "parity_"$VER"_armhf.deb" > "parity_"$VER"_armhf.deb.md5"
-    - aws configure set aws_access_key_id $s3_key
-    - aws configure set aws_secret_access_key $s3_secret
-    - if [[ $CI_BUILD_REF_NAME =~ ^(master|beta|stable|nightly)$ ]]; then export S3_BUCKET=builds-parity-published; else export S3_BUCKET=builds-parity; fi
-    - aws s3 rm --recursive s3://$S3_BUCKET/$CI_BUILD_REF_NAME/$PLATFORM
-    - aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/$PLATFORM/parity --body target/$PLATFORM/release/parity
-    - aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/$PLATFORM/parity.md5 --body parity.md5
-    - aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/$PLATFORM/"parity_"$VER"_armhf.deb" --body "parity_"$VER"_armhf.deb"
-    - aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/$PLATFORM/"parity_"$VER"_armhf.deb.md5" --body "parity_"$VER"_armhf.deb.md5"
-    - curl --data "commit=$CI_BUILD_REF&sha3=$SHA3&filename=parity&secret=$RELEASES_SECRET" http://update.parity.io:1337/push-build/$CI_BUILD_REF_NAME/$PLATFORM
-    - curl --data "commit=$CI_BUILD_REF&sha3=$SHA3&filename=parity&secret=$RELEASES_SECRET" http://update.parity.io:1338/push-build/$CI_BUILD_REF_NAME/$PLATFORM
-  tags:
-    - rust
-    - rust-arm
-  artifacts:
-    paths:
-    - target/arm-unknown-linux-gnueabihf/release/parity
-    name: "arm-unknown-linux-gnueabihf_parity"
-  allow_failure: true
-linux-aarch64:
-  stage: build
-  image: parity/rust-arm64:gitlab-ci
-  only:
-    - beta
-    - tags
-    - stable
-    - triggers
-  script:
-    - export CC=aarch64-linux-gnu-gcc
-    - export CXX=aarch64-linux-gnu-g++
-    - export HOST_CC=gcc
-    - export HOST_CXX=g++
-    - export PLATFORM=aarch64-unknown-linux-gnu
-    - rm -rf .cargo
-    - mkdir -p .cargo
-    - echo "[target.$PLATFORM]" >> .cargo/config
-    - echo "linker= \"aarch64-linux-gnu-gcc\"" >> .cargo/config
-    - cat .cargo/config
-    - cargo build -j $(nproc) --target $PLATFORM --features final --release $CARGOFLAGS
-    - cargo build -j $(nproc) --target $PLATFORM --release -p evmbin
-    - cargo build -j $(nproc) --target $PLATFORM --release -p ethstore-cli
-    - cargo build -j $(nproc) --target $PLATFORM --release -p ethkey-cli
-    - aarch64-linux-gnu-strip target/$PLATFORM/release/parity
-    - aarch64-linux-gnu-strip target/$PLATFORM/release/parity-evm
-    - aarch64-linux-gnu-strip target/$PLATFORM/release/ethstore
-    - aarch64-linux-gnu-strip target/$PLATFORM/release/ethkey
-    - export SHA3=$(rhash --sha3-256 target/$PLATFORM/release/parity -p %h)
-    - md5sum target/$PLATFORM/release/parity > parity.md5
-    - sh scripts/deb-build.sh arm64
-    - cp target/$PLATFORM/release/parity deb/usr/bin/parity
-    - cp target/$PLATFORM/release/parity-evm deb/usr/bin/parity-evm
-    - cp target/$PLATFORM/release/ethstore deb/usr/bin/ethstore
-    - cp target/$PLATFORM/release/ethkey deb/usr/bin/ethkey
-    - export VER=$(grep -m 1 version Cargo.toml | awk '{print $3}' | tr -d '"' | tr -d "\n")
-    - dpkg-deb -b deb "parity_"$VER"_arm64.deb"
-    - md5sum "parity_"$VER"_arm64.deb" > "parity_"$VER"_arm64.deb.md5"
-    - aws configure set aws_access_key_id $s3_key
-    - aws configure set aws_secret_access_key $s3_secret
-    - if [[ $CI_BUILD_REF_NAME =~ ^(master|beta|stable|nightly)$ ]]; then export S3_BUCKET=builds-parity-published; else export S3_BUCKET=builds-parity; fi
-    - aws s3 rm --recursive s3://$S3_BUCKET/$CI_BUILD_REF_NAME/$PLATFORM
-    - aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/$PLATFORM/parity.md5 --body parity.md5
-    - aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/$PLATFORM/"parity_"$VER"_arm64.deb" --body "parity_"$VER"_arm64.deb"
-    - aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/$PLATFORM/"parity_"$VER"_arm64.deb.md5" --body "parity_"$VER"_arm64.deb.md5"
-    - curl --data "commit=$CI_BUILD_REF&sha3=$SHA3&filename=parity&secret=$RELEASES_SECRET" http://update.parity.io:1337/push-build/$CI_BUILD_REF_NAME/$PLATFORM
-    - curl --data "commit=$CI_BUILD_REF&sha3=$SHA3&filename=parity&secret=$RELEASES_SECRET" http://update.parity.io:1338/push-build/$CI_BUILD_REF_NAME/$PLATFORM
-  tags:
-    - rust
-    - rust-arm
-  artifacts:
-    paths:
-    - target/aarch64-unknown-linux-gnu/release/parity
-    name: "aarch64-unknown-linux-gnu_parity"
-  allow_failure: true
-darwin:
-  stage: build
-  only:
-    - beta
-    - tags
-    - stable
-    - triggers
-  script: |
-      export COMMIT=$(git rev-parse HEAD)
-      export PLATFORM=x86_64-apple-darwin
-      rustup default stable
-      cargo clean
-      cargo build -j 8 --features final --release #$CARGOFLAGS
-      cargo build -j 8 --release -p ethstore-cli #$CARGOFLAGS
-      cargo build -j 8 --release -p ethkey-cli #$CARGOFLAGS
-      cargo build -j 8 --release -p evmbin #$CARGOFLAGS
-      rm -rf parity.md5
-      md5sum target/release/parity > parity.md5
-      export SHA3=$(target/release/parity tools hash target/release/parity)
-      cd mac
-      xcodebuild -configuration Release
-      cd ..
-      packagesbuild -v mac/Parity.pkgproj
-      productsign --sign 'Developer ID Installer: PARITY TECHNOLOGIES LIMITED (P2PX3JU8FT)' target/release/Parity\ Ethereum.pkg target/release/Parity\ Ethereum-signed.pkg
-      export VER=$(grep -m 1 version Cargo.toml | awk '{print $3}' | tr -d '"' | tr -d "\n")
-      mv target/release/Parity\ Ethereum-signed.pkg "parity-"$VER"-macos-installer.pkg"
-      md5sum "parity-"$VER"-macos-installer.pkg" >> "parity-"$VER"-macos-installer.pkg.md5"
-      aws configure set aws_access_key_id $s3_key
-      aws configure set aws_secret_access_key $s3_secret
-      if [[ $CI_BUILD_REF_NAME =~ ^(master|beta|stable|nightly)$ ]]; then export S3_BUCKET=builds-parity-published; else export S3_BUCKET=builds-parity; fi
-      aws s3 rm --recursive s3://$S3_BUCKET/$CI_BUILD_REF_NAME/$PLATFORM
-      aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/$PLATFORM/parity --body target/release/parity
-      aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/$PLATFORM/parity.md5 --body parity.md5
-      aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/$PLATFORM/"parity-"$VER"-macos-installer.pkg" --body "parity-"$VER"-macos-installer.pkg"
-      aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/$PLATFORM/"parity-"$VER"-macos-installer.pkg.md5" --body "parity-"$VER"-macos-installer.pkg.md5"
-      curl --data "commit=$CI_BUILD_REF&sha3=$SHA3&filename=parity&secret=$RELEASES_SECRET" http://update.parity.io:1337/push-build/$CI_BUILD_REF_NAME/$PLATFORM
-      curl --data "commit=$CI_BUILD_REF&sha3=$SHA3&filename=parity&secret=$RELEASES_SECRET" http://update.parity.io:1338/push-build/$CI_BUILD_REF_NAME/$PLATFORM
-  tags:
-    - osx
-  artifacts:
-    paths:
-    - target/release/parity
-    name: "x86_64-apple-darwin_parity"
-windows:
-  cache:
-    key: "%CI_BUILD_STAGE%/%CI_BUILD_REF_NAME%"
-    untracked: true
-  stage: build
-  only:
-    - beta
-    - tags
-    - stable
-    - triggers
-  script:
-    - set PLATFORM=x86_64-pc-windows-msvc
-    - set INCLUDE=C:\Program Files (x86)\Microsoft SDKs\Windows\v7.1A\Include;C:\vs2015\VC\include;C:\Program Files (x86)\Windows Kits\10\Include\10.0.10240.0\ucrt
-    - set LIB=C:\vs2015\VC\lib;C:\Program Files (x86)\Windows Kits\10\Lib\10.0.10240.0\ucrt\x64
-    - set RUST_BACKTRACE=1
-    - set RUSTFLAGS=%RUSTFLAGS%
-    - rustup default stable-x86_64-pc-windows-msvc
-    - cargo clean
-    - cargo build --features final --release #%CARGOFLAGS%
-    - cargo build --release -p ethstore-cli #%CARGOFLAGS%
-    - cargo build --release -p ethkey-cli #%CARGOFLAGS%
-    - cargo build --release -p evmbin #%CARGOFLAGS%
-    - signtool sign /f %keyfile% /p %certpass% target\release\parity.exe
-    - target\release\parity.exe tools hash target\release\parity.exe > parity.sha3
-    - set /P SHA3=<parity.sha3
-    - curl -sL --url "https://github.com/paritytech/win-build/raw/master/SimpleFC.dll" -o nsis\SimpleFC.dll
-    - curl -sL --url "https://github.com/paritytech/win-build/raw/master/vc_redist.x64.exe" -o nsis\vc_redist.x64.exe
-    - msbuild windows\ptray\ptray.vcxproj /p:Platform=x64 /p:Configuration=Release
-    - signtool sign /f %keyfile% /p %certpass% windows\ptray\x64\release\ptray.exe
-    - cd nsis
-    - makensis.exe installer.nsi
-    - copy installer.exe InstallParity.exe
-    - signtool sign /f %keyfile% /p %certpass% InstallParity.exe
-    - md5sums InstallParity.exe > InstallParity.exe.md5
-    - zip win-installer.zip InstallParity.exe InstallParity.exe.md5
-    - md5sums win-installer.zip > win-installer.zip.md5
-    - cd ..\target\release\
-    - md5sums parity.exe > parity.exe.md5
-    - zip parity.zip parity.exe parity.md5
-    - md5sums parity.zip > parity.zip.md5
-    - cd ..\..
-    - aws configure set aws_access_key_id %s3_key%
-    - aws configure set aws_secret_access_key %s3_secret%
-    - echo %CI_BUILD_REF_NAME%
-    - echo %CI_BUILD_REF_NAME% | findstr /R "master" >nul 2>&1 && set S3_BUCKET=builds-parity-published|| set S3_BUCKET=builds-parity
-    - echo %CI_BUILD_REF_NAME% | findstr /R "beta" >nul 2>&1 && set S3_BUCKET=builds-parity-published|| set S3_BUCKET=builds-parity
-    - echo %CI_BUILD_REF_NAME% | findstr /R "stable" >nul 2>&1 && set S3_BUCKET=builds-parity-published|| set S3_BUCKET=builds-parity
-    - echo %CI_BUILD_REF_NAME% | findstr /R "nightly" >nul 2>&1 && set S3_BUCKET=builds-parity-published|| set S3_BUCKET=builds-parity
-    - echo %S3_BUCKET%
-    - aws s3 rm --recursive s3://%S3_BUCKET%/%CI_BUILD_REF_NAME%/x86_64-pc-windows-msvc
-    - aws s3api put-object --bucket %S3_BUCKET% --key %CI_BUILD_REF_NAME%/x86_64-pc-windows-msvc/parity.exe --body target\release\parity.exe
-    - aws s3api put-object --bucket %S3_BUCKET% --key %CI_BUILD_REF_NAME%/x86_64-pc-windows-msvc/parity.exe.md5 --body target\release\parity.exe.md5
-    - aws s3api put-object --bucket %S3_BUCKET% --key %CI_BUILD_REF_NAME%/x86_64-pc-windows-msvc/parity.zip --body target\release\parity.zip
-    - aws s3api put-object --bucket %S3_BUCKET% --key %CI_BUILD_REF_NAME%/x86_64-pc-windows-msvc/parity.zip.md5 --body target\release\parity.zip.md5
-    - aws s3api put-object --bucket %S3_BUCKET% --key %CI_BUILD_REF_NAME%/x86_64-pc-windows-msvc/InstallParity.exe --body nsis\InstallParity.exe
-    - aws s3api put-object --bucket %S3_BUCKET% --key %CI_BUILD_REF_NAME%/x86_64-pc-windows-msvc/InstallParity.exe.md5 --body nsis\InstallParity.exe.md5
-    - aws s3api put-object --bucket %S3_BUCKET% --key %CI_BUILD_REF_NAME%/x86_64-pc-windows-msvc/win-installer.zip --body nsis\win-installer.zip
-    - aws s3api put-object --bucket %S3_BUCKET% --key %CI_BUILD_REF_NAME%/x86_64-pc-windows-msvc/win-installer.zip.md5 --body nsis\win-installer.zip.md5
-    - curl --data "commit=%CI_BUILD_REF%&sha3=%SHA3%&filename=parity.exe&secret=%RELEASES_SECRET%" http://update.parity.io:1337/push-build/%CI_BUILD_REF_NAME%/%PLATFORM%
-    - curl --data "commit=%CI_BUILD_REF%&sha3=%SHA3%&filename=parity.exe&secret=%RELEASES_SECRET%" http://update.parity.io:1338/push-build/%CI_BUILD_REF_NAME%/%PLATFORM%
-  tags:
-   - rust-windows
-  artifacts:
-    paths:
-    - target/release/parity.exe
-    - target/release/parity.pdb
-    - nsis/InstallParity.exe
-    name: "x86_64-pc-windows-msvc_parity"
-docker-build:
-  stage: build
-  only:
-    - tags
-    - triggers
-  before_script:
-    - docker info
-  script:
-    - if [ "$CI_BUILD_REF_NAME" == "beta-release" ]; then DOCKER_TAG="latest"; else DOCKER_TAG=$CI_BUILD_REF_NAME; fi
-    - echo "Tag:" $DOCKER_TAG
-    - docker login -u $Docker_Hub_User_Parity -p $Docker_Hub_Pass_Parity
-    - sh scripts/docker-build.sh $DOCKER_TAG
-    - docker logout
-  tags:
-    - docker
-test-coverage:
-  stage: test
-  only:
-    - master
-  script:
-    - git submodule update --init --recursive
-    - rm -rf target/*
-    - rm -rf js/.coverage
-    - scripts/cov.sh
- #   - COVERAGE=$(grep -Po 'covered":.*?[^\\]"' target/cov/index.json | grep "[0-9]*\.[0-9]" -o)
- #   - echo "Coverage:" $COVERAGE
-  tags:
-    - kcov
-  allow_failure: true
-test-darwin:
-  stage: test
-  only:
-    - triggers
-  before_script:
-    - git submodule update --init --recursive
-    - export RUST_FILES_MODIFIED=$(git --no-pager diff --name-only $CI_BUILD_REF^ $CI_BUILD_REF | grep -v -e "^js/" -e ^\\. -e ^LICENSE -e ^README.md -e ^appveyor.yml -e ^test.sh -e ^windows/ -e ^scripts/ -e^mac/ -e ^nsis/ | wc -l)
-  script:
-    - export RUST_BACKTRACE=1
-    - if [ $RUST_FILES_MODIFIED -eq 0 ]; then echo "Skipping Rust tests since no Rust files modified."; else ./test.sh $CARGOFLAGS; fi
-  tags:
-    - osx
-  allow_failure: true
-test-windows:
-  stage: test
-  only:
-    - triggers
-  before_script:
-    - git submodule update --init --recursive
-  script:
-    - set RUST_BACKTRACE=1
-    - echo cargo test --features json-tests -p rlp -p ethash -p ethcore -p ethcore-bigint -p parity-dapps -p parity-rpc -p ethcore-util -p ethcore-network -p ethcore-io -p ethkey -p ethstore -p ethsync -p ethcore-ipc -p ethcore-ipc-tests -p ethcore-ipc-nano -p parity-rpc-client -p parity %CARGOFLAGS% --verbose --release
-  tags:
-    - rust-windows
-  allow_failure: true
-test-rust-stable:
-  stage: test
-  image: parity/rust:gitlab-ci
-  before_script:
-    - git submodule update --init --recursive
-    - export RUST_FILES_MODIFIED=$(git --no-pager diff --name-only $CI_BUILD_REF^ $CI_BUILD_REF | grep -v -e ^js -e ^\\. -e ^LICENSE -e ^README.md -e ^appveyor.yml -e ^test.sh -e ^windows/ -e ^scripts/ -e^mac/ -e ^nsis/ | wc -l)
-  script:
-    - rustup show
-    - export RUST_BACKTRACE=1
-    - if [ $RUST_FILES_MODIFIED -eq 0 ]; then echo "Skipping Rust tests since no Rust files modified."; else ./test.sh $CARGOFLAGS; fi
-  tags:
-    - rust
-    - rust-stable
-js-test:
-  stage: test
-  image: parity/rust:gitlab-ci
-  before_script:
-    - git submodule update --init --recursive
-    - export JS_FILES_MODIFIED=$(git --no-pager diff --name-only $CI_BUILD_REF^ $CI_BUILD_REF | grep ^js/ | wc -l)
-    - if [ $JS_FILES_MODIFIED -eq 0 ]; then echo "Skipping JS deps install since no JS files modified."; else ./js/scripts/install-deps.sh;fi
-  script:
-    - if [ $JS_FILES_MODIFIED -eq 0 ]; then echo "Skipping JS lint since no JS files modified."; else ./js/scripts/lint.sh && ./js/scripts/test.sh && ./js/scripts/build.sh; fi
-  tags:
-    - rust
-    - rust-stable
-test-rust-beta:
-  stage: test
-  only:
-    - triggers
-    - master
-  image: parity/rust:gitlab-ci
-  before_script:
-    - git submodule update --init --recursive
-    - export RUST_FILES_MODIFIED=$(git --no-pager diff --name-only $CI_BUILD_REF^ $CI_BUILD_REF | grep -v -e ^js -e ^\\. -e ^LICENSE -e ^README.md -e ^appveyor.yml -e ^test.sh -e ^windows/ -e ^scripts/ -e^mac/ -e ^nsis/ | wc -l)
-  script:
-    - rustup default beta
-    - export RUST_BACKTRACE=1
-    - if [ $RUST_FILES_MODIFIED -eq 0 ]; then echo "Skipping Rust tests since no Rust files modified."; else ./test.sh $CARGOFLAGS; fi
-  tags:
-    - rust
-    - rust-beta
-  allow_failure: true
-test-rust-nightly:
-  stage: test
-  only:
-    - triggers
-    - master
-  image: parity/rust:gitlab-ci
-  before_script:
-    - git submodule update --init --recursive
-    - export RUST_FILES_MODIFIED=$(git --no-pager diff --name-only $CI_BUILD_REF^ $CI_BUILD_REF | grep -v -e ^js -e ^\\. -e ^LICENSE -e ^README.md -e ^appveyor.yml -e ^test.sh -e ^windows/ -e ^scripts/ -e^mac/ -e ^nsis/ | wc -l)
-  script:
-    - rustup default nightly
-    - export RUST_BACKTRACE=1
-    - if [ $RUST_FILES_MODIFIED -eq 0 ]; then echo "Skipping Rust tests since no Rust files modified."; else ./test.sh $CARGOFLAGS; fi
-  tags:
-    - rust
-    - rust-nightly
-  allow_failure: true
-js-release:
-  stage: js-build
-  only:
-    - master
-    - beta
-    - stable
-    - tags
-    - triggers
-  image: parity/rust:gitlab-ci
-  before_script:
-    - export JS_FILES_MODIFIED=$(git --no-pager diff --name-only $CI_BUILD_REF^ $CI_BUILD_REF | grep ^js/ | wc -l)
-    - echo $JS_FILES_MODIFIED
-    - if [ $JS_FILES_MODIFIED -eq 0  ]; then echo "Skipping JS deps install since no JS files modified."; else ./js/scripts/install-deps.sh;fi
-  script:
-    - rustup default stable
-    - echo $JS_FILES_MODIFIED
-    - if [ $JS_FILES_MODIFIED -eq 0 ]; then echo "Skipping JS rebuild since no JS files modified."; else ./js/scripts/build.sh && ./js/scripts/release.sh; fi
-  tags:
-    - javascript
-push-release:
-  stage: push-release
-  only:
-    - tags
-    - triggers
-  image: parity/rust:gitlab-ci
-  script:
-    - rustup default stable
-    - curl --data "secret=$RELEASES_SECRET" http://update.parity.io:1337/push-release/$CI_BUILD_REF_NAME/$CI_BUILD_REF
-    - curl --data "secret=$RELEASES_SECRET" http://update.parity.io:1338/push-release/$CI_BUILD_REF_NAME/$CI_BUILD_REF
-  tags:
-    - curl

.gitmodules

@@ -2,6 +2,3 @@
 	path = ethcore/res/ethereum/tests
 	url = https://github.com/ethereum/tests.git
 	branch = develop
-[submodule "ethcore/res/wasm-tests"]
-	path = ethcore/res/wasm-tests
-	url = https://github.com/paritytech/wasm-tests

.travis.yml

@@ -0,0 +1,103 @@
+sudo: required
+dist: trusty
+language: rust
+branches:
+  only:
+  - master
+  - /^beta-.*$/
+  - /^stable-.*$/
+  - /^beta$/
+  - /^stable$/
+git:
+  depth: 3
+matrix:
+  fast_finish: true
+  allow_failures:
+  - rust: nightly
+  include:
+  - rust: stable
+    env: FEATURES="--features travis-beta" RUN_TESTS="true"
+  # - rust: beta
+    # env: FEATURES="--features travis-beta" RUN_TESTS="true"
+  - rust: stable
+    env: FEATURES="--features travis-beta" RUN_BUILD="true"
+  - rust: beta
+    env: FEATURES="--features travis-beta" RUN_BUILD="true"
+  - rust: stable
+    env: FEATURES="--features travis-beta" RUN_COVERAGE="true"
+  # - rust: nightly
+    # env: FEATURES="--features travis-nightly" RUN_BENCHES="true"
+  - rust: nightly
+    env: FEATURES="--features travis-nightly" RUN_TESTS="true"
+env:
+  global:
+  # GH_TOKEN
+  - secure: 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
+  - CVER=5
+  - NUM_JOBS=1
+  # - TARGETS="-p ethash -p ethcore-util -p ethcore -p ethsync -p ethcore-rpc -p parity -p ethminer"
+  - TARGETS="-p ethcore-util"
+  - ARCHIVE_SUFFIX="-${TRAVIS_OS_NAME}-${TRAVIS_TAG}"
+  - KCOV_FEATURES=""
+  - KCOV_CMD="./kcov-master/tmp/usr/local/bin/kcov --exclude-pattern /usr/,/.cargo,/root/.multirust,src/tests,util/json-tests,util/src/network/tests,sync/src/tests,ethcore/src/tests,ethcore/src/evm/tests target/kcov"
+  - RUN_TESTS="false"
+  - RUN_COVERAGE="false"
+  - RUN_BUILD="false"
+  - RUN_BENCHES="false"
+cache:
+  apt: true
+  directories:
+  - $TRAVIS_BUILD_DIR/target
+  - $HOME/.cargo
+addons:
+  apt:
+    packages:
+    - libcurl4-openssl-dev
+    - libelf-dev
+    - libdw-dev
+
+script:
+  - echo "$TRAVIS_BUILD_DIR/target"
+  - ls "$TRAVIS_BUILD_DIR/target"
+  - if [ "$RUN_TESTS" = "true" ]; then cargo test --release --verbose ${FEATURES} ${TARGETS}; fi
+  - if [ "$RUN_BENCHES" = "true" ]; then cargo bench --no-run ${FEATURES} ${TARGETS}; fi
+  - if [ "$RUN_BUILD" = "true" ]; then cargo build --release --verbose ${FEATURES}; fi
+  - if [ "$RUN_BUILD" = "true" ]; then tar cvzf parity${ARCHIVE_SUFFIX}.tar.gz -C target/release parity; fi
+
+after_success: |
+  [ "$RUN_COVERAGE" = "true" ] &&
+  wget https://github.com/SimonKagstrom/kcov/archive/master.tar.gz &&
+  tar xzf master.tar.gz && mkdir kcov-master/build && cd kcov-master/build && cmake .. && make && make install DESTDIR=../tmp && cd ../.. &&
+  cargo test --no-run ${KCOV_FEATURES} ${TARGETS} &&
+  $KCOV_CMD target/debug/deps/ethcore_util-* &&
+  $KCOV_CMD target/debug/deps/ethash-* &&
+  $KCOV_CMD target/debug/deps/ethcore-* &&
+  $KCOV_CMD target/debug/deps/ethsync-* &&
+  $KCOV_CMD target/debug/deps/ethcore_rpc-* &&
+  $KCOV_CMD target/debug/deps/ethminer-* &&
+  $KCOV_CMD target/debug/parity-* &&
+  [ $TRAVIS_BRANCH = master ] &&
+  [ $TRAVIS_PULL_REQUEST = false ] &&
+  [ $TRAVIS_RUST_VERSION = stable ] &&
+  cargo doc --no-deps --verbose ${KCOV_FEATURES} ${TARGETS} &&
+  echo '<meta http-equiv=refresh content=0;url=ethcore/index.html>' > target/doc/index.html &&
+  pip install --user ghp-import &&
+  /home/travis/.local/bin/ghp-import -n target/doc &&
+  git push -fq https://${GH_TOKEN}@github.com/${TRAVIS_REPO_SLUG}.git gh-pages
+
+deploy:
+  provider: releases
+  api_key:
+    secure: "t+oGT/4lsy7IScw5s86Dpntl5Nyck4qG6nhHwMScc6FYzwLldgwgJaafL8Ej+HG+b7nFLriN+Snoa4YQ5o74X5ZlSWubVREOYQlL/fq7vcPB0DwAZ0Jufq1QW2R1M+3SwwF1eAwTv2W3G7A2K7dxjCVvENcy/gdxnZ36NeUPsqaCC9UcI2Yc7+4jyQwvx6ZfBvQeu+HbKENA0eUNs2ZQOID/1IPy0LJBvSyxAQYsysXdjTzGdNu4+Iba20E8uWYe4fAbgz+gwGarXg1L6D6gKyMlWkViqWjvXWBuDJJqMQZ3rw41AwZOoh3mKd2Lc0l6l4oZcEqPuob0yKTNjz1tuJy9xKTC2F2bDzsvUgk1IRfMK5ukXXXS09ZCZWuA9/GtnsqJ1xGTiwX+DhQzpVBHaBiseSNlYE1YN/3jNyGY+iSts1qut+1BwE7swmcTLsAPoAy8Ue+f7ErNoCg1lm71vq7VO2DLn7x2NqHyHUEuJ+7olDHSdE84G7d9otDRu/+TfMOw7GXwTaha6yJRInuNsnj4CFMLNVvYACzCC2idB7f7nUZoSFi9jf18S9fCMPVmazMrFj4g95HWrVHkjpV5zRTeUdTWw6DJl6pC9HFqORHdCvLv4Rc4dm5r3CmOcAQ0ZuiccV2oKzw4/Wic96daae8M5f5KSQ/WTr+h0wXZKp0="
+  skip_cleanup: true
+  file: parity${ARCHIVE_SUFFIX}.tar.gz
+  on:
+    tags: true
+
+notifications:
+ webhooks:
+   urls:
+     - https://hooks.slack.com/services/${SLACK_WEBHOOK}
+   on_success: always
+   on_failure: always
+   on_start: never

Cargo.toml

@@ -1,110 +1,45 @@
 [package]
-description = "Parity Ethereum client"
+description = "Ethcore client."
 name = "parity"
-version = "1.7.2"
+version = "1.0.2"
 license = "GPL-3.0"
-authors = ["Parity Technologies <admin@parity.io>"]
+authors = ["Ethcore <admin@ethcore.io>"]
 build = "build.rs"
 
+[build-dependencies]
+rustc_version = "0.1"
+
 [dependencies]
 log = "0.3"
-env_logger = "0.4"
-rustc-hex = "1.0"
-docopt = "0.8"
+env_logger = "0.3"
+rustc-serialize = "0.3"
+docopt = "0.6"
 time = "0.1"
-num_cpus = "1.2"
+ctrlc = { git = "https://github.com/tomusdrw/rust-ctrlc.git" }
+fdlimit = { path = "util/fdlimit" }
+daemonize = "0.2"
+num_cpus = "0.2"
 number_prefix = "0.2"
-rpassword = "0.2.1"
-semver = "0.6"
-ansi_term = "0.9"
-regex = "0.2"
-isatty = "0.1"
-toml = "0.4"
-serde = "1.0"
-serde_json = "1.0"
-serde_derive = "1.0"
-app_dirs = "1.1.1"
-futures = "0.1"
-futures-cpupool = "0.1"
-fdlimit = "0.1"
-ws2_32-sys = "0.2"
-ctrlc = { git = "https://github.com/paritytech/rust-ctrlc.git" }
-jsonrpc-core = { git = "https://github.com/paritytech/jsonrpc.git", branch = "parity-1.7" }
-ethsync = { path = "sync" }
+rpassword = "0.1"
+clippy = { version = "0.0.54", optional = true }
 ethcore = { path = "ethcore" }
 ethcore-util = { path = "util" }
-ethcore-io = { path = "util/io" }
+ethsync = { path = "sync" }
+ethminer = { path = "miner" }
 ethcore-devtools = { path = "devtools" }
-ethcore-ipc = { path = "ipc/rpc" }
-ethcore-ipc-nano = { path = "ipc/nano" }
-ethcore-ipc-hypervisor = { path = "ipc/hypervisor" }
-ethcore-light = { path = "ethcore/light" }
-ethcore-logger = { path = "logger" }
-ethcore-stratum = { path = "stratum" }
-ethkey = { path = "ethkey" }
-node-health = { path = "dapps/node-health" }
-rlp = { path = "util/rlp" }
-rpc-cli = { path = "rpc_cli" }
-parity-hash-fetch = { path = "hash-fetch" }
-parity-ipfs-api = { path = "ipfs" }
-parity-local-store = { path = "local-store" }
-parity-reactor = { path = "util/reactor" }
-parity-rpc = { path = "rpc" }
-parity-rpc-client = { path = "rpc_client" }
-parity-updater = { path = "updater" }
-path = { path = "util/path" }
-
-parity-dapps = { path = "dapps", optional = true }
-clippy = { version = "0.0.103", optional = true}
-ethcore-secretstore = { path = "secret_store", optional = true }
-
-[build-dependencies]
-rustc_version = "0.2"
-
-[dev-dependencies]
-ethcore-ipc-tests = { path = "ipc/tests" }
-pretty_assertions = "0.1"
-
-[target.'cfg(windows)'.dependencies]
-winapi = "0.2"
-
-[target.'cfg(not(windows))'.dependencies]
-daemonize = "0.2"
+ethcore-rpc = { path = "rpc", optional = true }
 
 [features]
-default = ["ui-precompiled"]
-ui = [
-	"ui-enabled",
-	"parity-dapps/ui",
-]
-ui-precompiled = [
-	"ui-enabled",
-	"parity-dapps/ui-precompiled",
-]
-ui-enabled = ["dapps"]
-dapps = ["parity-dapps"]
-ipc = ["ethcore/ipc", "ethsync/ipc"]
-jit = ["ethcore/jit"]
-dev = ["clippy", "ethcore/dev", "ethcore-util/dev", "ethsync/dev", "parity-rpc/dev", "parity-dapps/dev"]
-json-tests = ["ethcore/json-tests"]
-test-heavy = ["ethcore/test-heavy"]
-evm-debug = ["ethcore/evm-debug"]
-evm-debug-tests = ["ethcore/evm-debug-tests"]
-slow-blocks = ["ethcore/slow-blocks"]
-final = ["ethcore-util/final"]
-secretstore = ["ethcore-secretstore"]
+default = ["rpc"]
+rpc = ["ethcore-rpc"]
+dev = ["clippy", "ethcore/dev", "ethcore-util/dev", "ethsync/dev", "ethcore-rpc/dev", "ethminer/dev"]
+travis-beta = ["ethcore/json-tests"]
+travis-nightly = ["ethcore/json-tests", "dev"]
 
 [[bin]]
 path = "parity/main.rs"
 name = "parity"
 
-[profile.dev]
-panic = "abort"
-
 [profile.release]
 debug = false
 lto = false
-panic = "abort"
-
-[workspace]
-members = ["ethstore/cli", "ethkey/cli", "evmbin", "dapps/node-health"]

README.md

@@ -1,126 +1,40 @@
-# [Parity](https://parity.io/parity.html) - fast, light, and robust Ethereum client
+# ethcore
 
-[![build status](https://gitlab.parity.io/parity/parity/badges/master/build.svg)](https://gitlab.parity.io/parity/parity/commits/master)
-[![Snap Status](https://build.snapcraft.io/badge/paritytech/parity.svg)](https://build.snapcraft.io/user/paritytech/parity)
-[![GPLv3](https://img.shields.io/badge/license-GPL%20v3-green.svg)](https://www.gnu.org/licenses/gpl-3.0.en.html)
+[![Build Status][travis-image]][travis-url] [![Coverage Status][coveralls-image]][coveralls-url] [![Join the chat at https://gitter.im/trogdoro/xiki][gitter-image]][gitter-url] [![GPLv3][license-image]][license-url]
 
-- [Download the latest release here.](https://github.com/paritytech/parity/releases)
+[travis-image]: https://travis-ci.org/ethcore/parity.svg?branch=master
+[travis-url]: https://travis-ci.org/ethcore/parity
+[coveralls-image]: https://coveralls.io/repos/github/ethcore/parity/badge.svg?branch=master
+[coveralls-url]: https://coveralls.io/github/ethcore/parity?branch=master
+[gitter-image]: https://badges.gitter.im/Join%20Chat.svg
+[gitter-url]: https://gitter.im/ethcore/parity?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge
+[license-image]: https://img.shields.io/badge/license-GPL%20v3-green.svg
+[license-url]: http://www.gnu.org/licenses/gpl-3.0.en.html
 
-### Join the chat!
+[Documentation](http://ethcore.github.io/parity/ethcore/index.html)
 
-Get in touch with us on Gitter:
-[![Gitter: Parity](https://img.shields.io/badge/gitter-parity-4AB495.svg)](https://gitter.im/paritytech/parity)
-[![Gitter: Parity.js](https://img.shields.io/badge/gitter-parity.js-4AB495.svg)](https://gitter.im/paritytech/parity.js)
-[![Gitter: Parity/Miners](https://img.shields.io/badge/gitter-parity/miners-4AB495.svg)](https://gitter.im/paritytech/parity/miners)
-[![Gitter: Parity-PoA](https://img.shields.io/badge/gitter-parity--poa-4AB495.svg)](https://gitter.im/paritytech/parity-poa)
+### Building from source
 
-Be sure to check out [our wiki](https://github.com/paritytech/parity/wiki) and the [internal documentation](https://paritytech.github.io/parity/ethcore/index.html) for more information.
-
-----
-
-## About Parity
-
-Parity's goal is to be the fastest, lightest, and most secure Ethereum client. We are developing Parity using the sophisticated and cutting-edge Rust programming language. Parity is licensed under the GPLv3, and can be used for all your Ethereum needs.
-
-Parity comes with a built-in wallet. To access [Parity Wallet](http://web3.site/) simply go to http://web3.site/ (if you don't have access to the internet, but still want to use the service, you can also use http://127.0.0.1:8180/). It includes various functionality allowing you to:
-
-- create and manage your Ethereum accounts;
-- manage your Ether and any Ethereum tokens;
-- create and register your own tokens;
-- and much more.
-
-By default, Parity will also run a JSONRPC server on `127.0.0.1:8545`. This is fully configurable and supports a number of RPC APIs.
-
-If you run into an issue while using parity, feel free to file one in this repository or hop on our [gitter chat room](https://gitter.im/paritytech/parity) to ask a question. We are glad to help!
-
-**For security-critical issues**, please refer to the security policy outlined in `SECURITY.MD`.
-
-Parity's current beta-release is 1.7. You can download it at https://github.com/paritytech/parity/releases or follow the instructions below to build from source.
-
-----
-
-## Build dependencies
-
-**Parity 1.7.x-beta requires Rust version 1.19.0 to build**.
-
-We recommend installing Rust through [rustup](https://www.rustup.rs/). If you don't already have rustup, you can install it like this:
+First (if you don't already have it) get multirust:
 
 - Linux:
-	```bash
-	$ curl https://sh.rustup.rs -sSf | sh
-	```
-
-	Parity also requires `gcc`, `g++`, `libssl-dev`/`openssl`, `libudev-dev` and `pkg-config` packages to be installed.
-- OSX:
-	```bash
-	$ curl https://sh.rustup.rs -sSf | sh
-	```
-
-	`clang` is required. It comes with Xcode command line tools or can be installed with homebrew.
-- Windows
-
-    Make sure you have Visual Studio 2015 with C++ support installed. Next, download and run the rustup installer from
-	https://static.rust-lang.org/rustup/dist/x86_64-pc-windows-msvc/rustup-init.exe, start "VS2015 x64 Native Tools Command Prompt", and use the following command to install and set up the msvc toolchain:
-    ```
-	$ rustup default stable-x86_64-pc-windows-msvc
-    ```
-
-Once you have rustup, install parity or download and build from source
-
-----
-
-## Install from the snap store
-
-In any of the [supported Linux distros](https://snapcraft.io/docs/core/install):
-
 ```bash
-sudo snap install parity --edge
+curl -sf https://raw.githubusercontent.com/brson/multirust/master/quick-install.sh | sudo sh -s -- --yes
 ```
 
-(Note that this is an experimental and unstable release, at the moment)
+- OSX with Homebrew:
+```bash
+brew update && brew install multirust
+multirust default stable
+```
 
-----
-
-## Build from source
+Then, download and build Parity:
 
 ```bash
 # download Parity code
-$ git clone https://github.com/paritytech/parity
-$ cd parity
+git clone https://github.com/ethcore/parity
+cd parity
 
 # build in release mode
-$ cargo build --release
+cargo build --release
 ```
-
-This will produce an executable in the `./target/release` subdirectory.
-Note: if cargo fails to parse manifest try:
-
-```bash
-$ ~/.cargo/bin/cargo build --release
-```
-----
-
-## Simple one-line installer for Mac and Ubuntu
-
-```bash
-bash <(curl https://get.parity.io -Lk)
-```
-
-## Start Parity
-### Manually
-To start Parity manually, just run
-```bash
-$ ./target/release/parity
-```
-
-and Parity will begin syncing the Ethereum blockchain.
-
-### Using systemd service file
-To start Parity as a regular user using systemd init:
-
-1. Copy `parity/scripts/parity.service` to your
-systemd user directory (usually `~/.config/systemd/user`).
-2. To pass any argument to Parity, write a `~/.parity/parity.conf` file this way:
-`ARGS="ARG1 ARG2 ARG3"`.
-
-	Example: `ARGS="ui --identity MyMachine"`.

SECURITY.md

@@ -1,54 +0,0 @@
-# Security Policy
-
-For security inquiries or vulnerability reports, please send a message to security@parity.io.
-
-Please use a descriptive subject line so we can identify the report as such.
-
-If you send a report, we will respond to the e-mail within 48 hours, and provide regular updates from that time onwards.
-
-If you would like to encrypt your report, please use the PGP key provided below.
-It is also reproduced [on MIT's key server](https://pgp.mit.edu/pks/lookup?op=get&search=0x5D0F03018D07DE73)
-
-```
------BEGIN PGP PUBLIC KEY BLOCK-----
-
-mQENBFlyIAwBCACe0keNPjgYzZ1Oy/8t3zj/Qw9bHHqrzx7FWy8NbXnYBM19NqOZ
-DIP7Oe0DvCaf/uruBskCS0iVstHlEFQ2AYe0Ei0REt9lQdy61GylU/DEB3879IG+
-6FO0SnFeYeerv1/hFI2K6uv8v7PyyVDiiJSW0I1KIs2OBwJicTKmWxLAeQsRgx9G
-yRGalrVk4KP+6pWTA7k3DxmDZKZyfYV/Ej10NtuzmsemwDbv98HKeomp/kgFOfSy
-3AZjeCpctlsNqpjUuXa0/HudmH2WLxZ0fz8XeoRh8XM9UudNIecjrDqmAFrt/btQ
-/3guvlzhFCdhYPVGsUusKMECk/JG+Xx1/1ZjABEBAAG0LFBhcml0eSBTZWN1cml0
-eSBDb250YWN0IDxzZWN1cml0eUBwYXJpdHkuaW8+iQFUBBMBCAA+FiEE2uUVYCjP
-N6B8aTiDXQ8DAY0H3nMFAllyIAwCGwMFCQPCZwAFCwkIBwIGFQgJCgsCBBYCAwEC
-HgECF4AACgkQXQ8DAY0H3nM60wgAkS3A36Zc+upiaxU7tumcGv+an17j7gin0sif
-+0ELSjVfrXInM6ovai+NhUdcLkJ7tCrKS90fvlaELK5Sg9CXBWCTFccKN4A/B7ey
-rOg2NPXUecnyBB/XqQgKYH7ujYlOlqBDXMfz6z8Hj6WToxg9PPMGGomyMGh8AWxM
-3yRPFs5RKt0VKgN++5N00oly5Y8ri5pgCidDvCLYMGTVDHFKwkuc9w6BlWlu1R1e
-/hXFWUFAP1ffTAul3QwyKhjPn2iotCdxXjvt48KaU8DN4iL7aMBN/ZBKqGS7yRdF
-D/JbJyaaJ0ZRvFSTSXy/sWY3z1B5mtCPBxco8hqqNfRkCwuZ6LkBDQRZciAMAQgA
-8BP8xrwe12TOUTqL/Vrbxv/FLdhKh53J6TrPKvC2TEEKOrTNo5ahRq+XOS5E7G2N
-x3b+fq8gR9BzFcldAx0XWUtGs/Wv++ulaSNqTBxj13J3G3WGsUfMKxRgj//piCUD
-bCFLQfGZdKk0M1o9QkPVARwwmvCNiNB/l++xGqPtfc44H5jWj3GoGvL2MkShPzrN
-yN/bJ+m+R5gtFGdInqa5KXBuxxuW25eDKJ+LzjbgUgeC76wNcfOiQHTdMkcupjdO
-bbGFwo10hcbRAOcZEv6//Zrlmk/6nPxEd2hN20St2bSN0+FqfZ267mWEu3ejsgF8
-ArdCpv5h4fBvJyNwiTZwIQARAQABiQE8BBgBCAAmFiEE2uUVYCjPN6B8aTiDXQ8D
-AY0H3nMFAllyIAwCGwwFCQPCZwAACgkQXQ8DAY0H3nNisggAl4fqhRlA34wIb190
-sqXHVxiCuzPaqS6krE9xAa1+gncX485OtcJNqnjugHm2rFE48lv7oasviuPXuInE
-/OgVFnXYv9d/Xx2JUeDs+bFTLouCDRY2Unh7KJZasfqnMcCHWcxHx5FvRNZRssaB
-WTZVo6sizPurGUtbpYe4/OLFhadBqAE0EUmVRFEUMc1YTnu4eLaRBzoWN4d2UWwi
-LN25RSrVSke7LTSFbgn9ntQrQ2smXSR+cdNkkfRCjFcpUaecvFl9HwIqoyVbT4Ym
-0hbpbbX/cJdc91tKa+psa29uMeGL/cgL9fAu19yNFRyOTMxjZnvql1X/WE1pLmoP
-ETBD1Q==
-=K9Qw
------END PGP PUBLIC KEY BLOCK-----
-```
-
-Important Legal Information:
-
-Your submission might be eligible for a bug bounty. The bug bounty program is an experimental and discretionary rewards program for the Parity community to reward those who are helping to improve the Parity software. Rewards are at the sole discretion of Parity Technologies Ltd.. 
-
-We are not able to issue rewards to individuals who are on sanctions lists or who are in countries on sanctions lists (e.g. North Korea, Iran, etc). 
-
-You are responsible for all taxes. All rewards are subject to applicable law. 
-
-Finally, your testing must not violate any law or compromise any data that is not yours.

build.rs

@@ -1,4 +1,4 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
+// Copyright 2015, 2016 Ethcore (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify
@@ -16,20 +16,10 @@
 
 extern crate rustc_version;
 
-const MIN_RUSTC_VERSION: &'static str = "1.15.1";
+use rustc_version::{version_meta, Channel};
 
 fn main() {
-	let is = rustc_version::version().unwrap();
-	let required = MIN_RUSTC_VERSION.parse().unwrap();
-	assert!(is >= required, format!("
-
-It looks like you are compiling Parity with an old rustc compiler {}.
-Parity requires version {}. Please update your compiler.
-If you use rustup, try this:
-
-    rustup update stable
-
-and try building Parity again.
-
-", is, required));
+	if let Channel::Nightly = version_meta().channel {
+		println!("cargo:rustc-cfg=nightly");
+	}
 }

cov.sh

@@ -0,0 +1,37 @@
+#!/bin/sh
+# Installing KCOV under ubuntu
+# https://users.rust-lang.org/t/tutorial-how-to-collect-test-coverages-for-rust-project/650#
+### Install deps
+# $ sudo apt-get install libcurl4-openssl-dev libelf-dev libdw-dev cmake gcc binutils-dev libiberty-dev
+#
+### Compile kcov
+# $ wget https://github.com/SimonKagstrom/kcov/archive/master.tar.gz && tar xf master.tar.gz
+# $ cd kcov-master && mkdir build && cd build
+# $ cmake .. && make && sudo make install
+
+### Running coverage
+if ! type kcov > /dev/null; then
+   	echo "Install kcov first (details inside this file). Aborting."
+	exit 1
+fi
+
+cargo test \
+	-p ethash \
+	-p ethcore-util \
+	-p ethcore \
+	-p ethsync \
+	-p ethcore-rpc \
+	-p parity \
+	-p ethminer \
+	--no-run || exit $?
+rm -rf target/coverage
+mkdir -p target/coverage
+
+EXCLUDE="~/.multirust,rocksdb,secp256k1,src/tests,util/json-tests,util/src/network/tests,sync/src/tests,ethcore/src/tests,ethcore/src/evm/tests"
+kcov --exclude-pattern $EXCLUDE --include-pattern src --verify target/coverage target/debug/deps/ethcore-*
+kcov --exclude-pattern $EXCLUDE --include-pattern src --verify target/coverage target/debug/deps/ethash-*
+kcov --exclude-pattern $EXCLUDE --include-pattern src --verify target/coverage target/debug/deps/ethcore_util-*
+kcov --exclude-pattern $EXCLUDE --include-pattern src --verify target/coverage target/debug/deps/ethsync-*
+kcov --exclude-pattern $EXCLUDE --include-pattern src --verify target/coverage target/debug/deps/ethcore_rpc-*
+kcov --exclude-pattern $EXCLUDE --include-pattern src --verify target/coverage target/debug/deps/ethminer-*
+xdg-open target/coverage/index.html

dapps/Cargo.toml

@@ -1,48 +0,0 @@
-[package]
-description = "Parity Dapps crate"
-name = "parity-dapps"
-version = "1.7.0"
-license = "GPL-3.0"
-authors = ["Parity Technologies <admin@parity.io>"]
-
-[lib]
-
-[dependencies]
-base32 = "0.3"
-futures = "0.1"
-linked-hash-map = "0.3"
-log = "0.3"
-parity-dapps-glue = "1.7"
-mime = "0.2"
-mime_guess = "1.6.1"
-rand = "0.3"
-rustc-hex = "1.0"
-serde = "1.0"
-serde_derive = "1.0"
-serde_json = "1.0"
-time = "0.1.35"
-unicase = "1.3"
-url = "1.0"
-zip = { version = "0.1", default-features = false }
-
-jsonrpc-core = { git = "https://github.com/paritytech/jsonrpc.git", branch = "parity-1.7" }
-jsonrpc-http-server = { git = "https://github.com/paritytech/jsonrpc.git", branch = "parity-1.7" }
-
-ethcore-util = { path = "../util" }
-fetch = { path = "../util/fetch" }
-node-health = { path = "./node-health" }
-parity-hash-fetch = { path = "../hash-fetch" }
-parity-reactor = { path = "../util/reactor" }
-parity-ui = { path = "./ui" }
-
-clippy = { version = "0.0.103", optional = true}
-
-[dev-dependencies]
-env_logger = "0.4"
-ethcore-devtools = { path = "../devtools" }
-
-[features]
-dev = ["clippy", "ethcore-util/dev"]
-
-ui = ["parity-ui/no-precompiled-js"]
-ui-precompiled = ["parity-ui/use-precompiled-js"]

dapps/js-glue/Cargo.toml

@@ -1,31 +0,0 @@
-[package]
-description = "Base Package for all Parity built-in dapps"
-name = "parity-dapps-glue"
-version = "1.7.0"
-license = "GPL-3.0"
-authors = ["Parity Technologies <admin@parity.io>"]
-build = "build.rs"
-
-[build-dependencies]
-quasi_codegen = { version = "0.32", optional = true }
-syntex = { version = "0.58", optional = true }
-
-[dependencies]
-glob = { version = "0.2.11" }
-mime_guess = { version = "1.6.1" }
-aster = { version = "0.41", default-features = false }
-quasi = { version = "0.32", default-features = false }
-quasi_macros = { version = "0.32", optional = true }
-syntex = { version = "0.58", optional = true }
-syntex_syntax = { version = "0.58", optional = true }
-clippy = { version = "0.0.90", optional = true }
-
-[features]
-dev = ["clippy"]
-default = ["with-syntex"]
-nightly = ["quasi_macros"]
-nightly-testing = ["clippy"]
-with-syntex = ["quasi/with-syntex", "quasi_codegen", "quasi_codegen/with-syntex", "syntex", "syntex_syntax"]
-use-precompiled-js = []
-
-

dapps/js-glue/README.md

@@ -1,65 +0,0 @@
-# Parity Dapps (JS-glue)
-
-Code generator to simplify creating a built-in Parity Dapp
-
-# How to create new builtin Dapp.
-1. Clone this repository.
-
-   ```bash
-   $ git clone https://github.com/paritytech/parity.git
-   ```
-
-1. Create a new directory for your Dapp. (`./myapp`)
-
-   ```bash
-   $ mkdir -p ./parity/dapps/myapp/src/web
-   ```
-
-1. Copy your frontend files to `./dapps/myapp/src/web` (bundled ones)
-
-   ```bash
-   $ cp -r ./myapp-src/* ./parity/dapps/myapp/src/web
-   ```
-
-1. Instead of creating `web3` in your app. Load (as the first script tag in `head`):
-
-   ```html
-   <script src="/parity-utils/inject.js"></script>
-   ```
-
-   The `inject.js` script will create global `web3` instance with proper provider that should be used by your dapp.
-
-1. Create `./parity/dapps/myapp/Cargo.toml` with you apps details. See example here: [parity-status Cargo.toml](https://github.com/paritytech/parity-ui/blob/master/status/Cargo.toml).
-
-   ```bash
-   $ git clone https://github.com/paritytech/parity-ui.git
-   $ cd ./parity-ui/
-   $ cp ./home/Cargo.toml ../parity/dapps/myapp/Cargo.toml
-   $ cp ./home/build.rs ../parity/dapps/myapp/build.rs
-   $ cp ./home/src/lib.rs ../parity/dapps/myapp/src/lib.rs
-   $ cp ./home/src/lib.rs.in ../parity/dapps/myapp/src/lib.rs.in
-   # And edit the details of your app
-   $ vim ../parity/dapps/myapp/Cargo.toml # Edit the details
-   $ vim ./parity/dapps/myapp/src/lib.rs.in # Edit the details
-   ```
-# How to include your Dapp into `Parity`?
-1. Edit `dapps/Cargo.toml` and add dependency to your application (it can be optional)
-
-   ```toml
-   # Use git repo and version
-   parity-dapps-myapp = { path="./myapp" }
-   ```
-
-1. Edit `dapps/src/apps.rs` and add your application to `all_pages` (if it's optional you need to specify two functions - see `parity-dapps-wallet` example)
-
-1. Compile parity.
-
-   ```bash
-   $ cargo build --release # While inside `parity`
-   ```
-
-1. Commit the results.
-
-   ```bash
-   $ git add myapp && git commit -am "My first Parity Dapp".
-   ```

dapps/js-glue/src/build.rs

@@ -1,65 +0,0 @@
-
-#[cfg(feature = "with-syntex")]
-pub mod inner {
-	use syntex;
-	use codegen;
-	use syntax::{ast, fold};
-	use std::env;
-	use std::path::Path;
-
-	fn strip_attributes(krate: ast::Crate) -> ast::Crate {
-		/// Helper folder that strips the serde attributes after the extensions have been expanded.
-		struct StripAttributeFolder;
-
-		impl fold::Folder for StripAttributeFolder {
-			fn fold_attribute(&mut self, attr: ast::Attribute) -> Option<ast::Attribute> {
-				if &*attr.value.name.as_str() == "webapp" {
-					return None;
-				}
-
-				Some(attr)
-			}
-
-			fn fold_mac(&mut self, mac: ast::Mac) -> ast::Mac {
-				fold::noop_fold_mac(mac, self)
-			}
-		}
-
-		fold::Folder::fold_crate(&mut StripAttributeFolder, krate)
-	}
-
-	pub fn register(reg: &mut syntex::Registry) {
-		reg.add_attr("feature(custom_derive)");
-		reg.add_attr("feature(custom_attribute)");
-
-		reg.add_decorator("derive_WebAppFiles", codegen::expand_webapp_implementation);
-		reg.add_post_expansion_pass(strip_attributes);
-	}
-
-	pub fn generate() {
-		let out_dir = env::var_os("OUT_DIR").unwrap();
-		let mut registry = syntex::Registry::new();
-		register(&mut registry);
-
-		let src = Path::new("src/lib.rs.in");
-		let dst = Path::new(&out_dir).join("lib.rs");
-
-		registry.expand("", &src, &dst).unwrap();
-	}
-}
-
-#[cfg(not(feature = "with-syntex"))]
-pub mod inner {
-	use codegen;
-
-	pub fn register(reg: &mut rustc_plugin::Registry) {
-		reg.register_syntax_extension(
-			syntax::parse::token::intern("derive_WebAppFiles"),
-			syntax::ext::base::MultiDecorator(
-				Box::new(codegen::expand_webapp_implementation)));
-
-		reg.register_attribute("webapp".to_owned(), AttributeType::Normal);
-	}
-
-	pub fn generate() {}
-}

dapps/js-glue/src/codegen.rs

@@ -1,193 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-extern crate aster;
-extern crate glob;
-extern crate mime_guess;
-
-use self::mime_guess::guess_mime_type;
-use std::path::{self, Path, PathBuf};
-use std::ops::Deref;
-
-use syntax::attr;
-use syntax::ast::{self, MetaItem, Item};
-use syntax::codemap::Span;
-use syntax::ext::base::{Annotatable, ExtCtxt};
-use syntax::print::pprust::lit_to_string;
-use syntax::symbol::InternedString;
-
-pub fn expand_webapp_implementation(
-	cx: &mut ExtCtxt,
-	span: Span,
-	meta_item: &MetaItem,
-	annotatable: &Annotatable,
-	push: &mut FnMut(Annotatable)
-) {
-	let item = match *annotatable {
-		Annotatable::Item(ref item) => item,
-		_ => {
-			cx.span_err(meta_item.span, "`#[derive(WebAppFiles)]` may only be applied to struct implementations");
-			return;
-		},
-	};
-	let builder = aster::AstBuilder::new().span(span);
-	implement_webapp(cx, &builder, item, push);
-}
-
-fn implement_webapp(cx: &ExtCtxt, builder: &aster::AstBuilder, item: &Item, push: &mut FnMut(Annotatable)) {
-	let static_files_dir = extract_path(cx, item);
-
-	let src = Path::new("src");
-	let static_files = {
-		let mut buf = src.to_path_buf();
-		buf.push(static_files_dir.deref());
-		buf
-	};
-
-	let search_location = {
-		let mut buf = static_files.to_path_buf();
-		buf.push("**");
-		buf.push("*");
-		buf
-	};
-
-	let files = glob::glob(search_location.to_str().expect("Valid UTF8 path"))
-		.expect("The sources directory is missing.")
-		.collect::<Result<Vec<PathBuf>, glob::GlobError>>()
-		.expect("There should be no error when reading a list of files.");
-
-	let statements = files
-		.iter()
-		.filter(|path_buf| path_buf.is_file())
-		.map(|path_buf| {
-			let path = path_buf.as_path();
-			let filename = path.file_name().and_then(|s| s.to_str()).expect("Only UTF8 paths.");
-			let mime_type = guess_mime_type(filename).to_string();
-			let file_path = as_uri(path.strip_prefix(&static_files).ok().expect("Prefix is always there, cause it's absolute path;qed"));
-			let file_path_in_source = path.to_str().expect("Only UTF8 paths.");
-
-			let path_lit = builder.expr().str(file_path.as_str());
-			let mime_lit = builder.expr().str(mime_type.as_str());
-			let web_path_lit = builder.expr().str(file_path_in_source);
-			let separator_lit = builder.expr().str(path::MAIN_SEPARATOR.to_string().as_str());
-			let concat_id = builder.id("concat!");
-			let env_id = builder.id("env!");
-			let macro_id = builder.id("include_bytes!");
-
-			let content = quote_expr!(
-				cx,
-				$macro_id($concat_id($env_id("CARGO_MANIFEST_DIR"), $separator_lit, $web_path_lit))
-			);
-			quote_stmt!(
-				cx,
-				files.insert($path_lit, File { path: $path_lit, content_type: $mime_lit, content: $content });
-			).expect("The statement is always ok, because it just uses literals.")
-		}).collect::<Vec<ast::Stmt>>();
-
-	let type_name = item.ident;
-
-	let files_impl = quote_item!(cx,
-		impl $type_name {
-			fn files() -> ::std::collections::HashMap<&'static str, File> {
-				let mut files = ::std::collections::HashMap::new();
-				$statements
-				files
-			}
-		}
-	).unwrap();
-
-	push(Annotatable::Item(files_impl));
-}
-
-fn extract_path(cx: &ExtCtxt, item: &Item) -> String {
-	for meta_items in item.attrs.iter().filter_map(webapp_meta_items) {
-		for meta_item in meta_items {
-			let is_path = &*meta_item.name.as_str() == "path";
-			match meta_item.node {
-				ast::MetaItemKind::NameValue(ref lit) if is_path => {
-					if let Some(s) = get_str_from_lit(cx, lit) {
-						return s.deref().to_owned();
-					}
-				},
-				_ => {},
-			}
-		}
-	}
-
-	// default
-	"web".to_owned()
-}
-
-fn webapp_meta_items(attr: &ast::Attribute) -> Option<Vec<ast::MetaItem>> {
-	let is_webapp = &*attr.value.name.as_str() == "webapp";
-	match attr.value.node {
-		ast::MetaItemKind::List(ref items) if is_webapp => {
-			attr::mark_used(&attr);
-			Some(
-				items.iter()
-				.map(|item| item.node.clone())
-				.filter_map(|item| match item {
-					ast::NestedMetaItemKind::MetaItem(item) => Some(item),
-					_ => None,
-				})
-				.collect()
-			)
-		}
-		_ => None
-	}
-}
-
-fn get_str_from_lit(cx: &ExtCtxt, lit: &ast::Lit) -> Option<InternedString> {
-	match lit.node {
-		ast::LitKind::Str(ref s, _) => Some(s.clone().as_str()),
-		_ => {
-			cx.span_err(
-				lit.span,
-				&format!("webapp annotation path must be a string, not `{}`",
-					lit_to_string(lit)
-				)
-			);
-			return None;
-		}
-	}
-}
-
-fn as_uri(path: &Path) -> String {
-	let mut s = String::new();
-	for component in path.iter() {
-		s.push_str(component.to_str().expect("Only UTF-8 filenames are supported."));
-		s.push('/');
-	}
-	s[0..s.len()-1].into()
-}
-
-#[test]
-fn should_convert_path_separators_on_all_platforms() {
-	// given
-	let p = {
-		let mut p = PathBuf::new();
-		p.push("web");
-		p.push("src");
-		p.push("index.html");
-		p
-	};
-
-	// when
-	let path = as_uri(&p);
-
-	// then
-	assert_eq!(path, "web/src/index.html".to_owned());
-}

dapps/js-glue/src/js.rs

@@ -1,89 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-#![cfg_attr(feature="use-precompiled-js", allow(dead_code))]
-#![cfg_attr(feature="use-precompiled-js", allow(unused_imports))]
-
-use std::fmt;
-use std::process::Command;
-
-#[cfg(not(windows))]
-mod platform {
-	use std::process::Command;
-
-	pub static NPM_CMD: &'static str = "npm";
-	pub fn handle_fd(cmd: &mut Command) -> &mut Command {
-		cmd
-	}
-}
-
-#[cfg(windows)]
-mod platform {
-	use std::process::{Command, Stdio};
-
-	pub static NPM_CMD: &'static str = "npm.cmd";
-	// NOTE [ToDr] For some reason on windows
-	// We cannot have any file descriptors open when running a child process
-	// during build phase.
-	pub fn handle_fd(cmd: &mut Command) -> &mut Command {
-		cmd.stdin(Stdio::null())
-			.stdout(Stdio::null())
-			.stderr(Stdio::null())
-	}
-}
-
-fn die<T : fmt::Debug>(s: &'static str, e: T) -> ! {
-	panic!("Error: {}: {:?}", s, e);
-}
-
-#[cfg(feature = "use-precompiled-js")]
-pub fn test(_path: &str) {
-}
-#[cfg(feature = "use-precompiled-js")]
-pub fn build(_path: &str, _dest: &str) {
-}
-
-#[cfg(not(feature = "use-precompiled-js"))]
-pub fn build(path: &str, dest: &str) {
-	let child = platform::handle_fd(&mut Command::new(platform::NPM_CMD))
-		.arg("install")
-		.arg("--no-progress")
-		.current_dir(path)
-		.status()
-		.unwrap_or_else(|e| die("Installing node.js dependencies with npm", e));
-	assert!(child.success(), "There was an error installing dependencies.");
-
-	let child = platform::handle_fd(&mut Command::new(platform::NPM_CMD))
-		.arg("run")
-		.arg("build")
-		.env("NODE_ENV", "production")
-		.env("BUILD_DEST", dest)
-		.current_dir(path)
-		.status()
-		.unwrap_or_else(|e| die("Building JS code", e));
-	assert!(child.success(), "There was an error build JS code.");
-}
-
-#[cfg(not(feature = "use-precompiled-js"))]
-pub fn test(path: &str) {
-	let child = Command::new(platform::NPM_CMD)
-		.arg("run")
-		.arg("test")
-		.current_dir(path)
-		.status()
-		.unwrap_or_else(|e| die("Running test command", e));
-	assert!(child.success(), "There was an error while running JS tests.");
-}

dapps/js-glue/src/lib.rs

@@ -1,38 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-
-#![cfg_attr(not(feature = "with-syntex"), feature(rustc_private, plugin))]
-#![cfg_attr(not(feature = "with-syntex"), plugin(quasi_macros))]
-
-#[cfg(feature = "with-syntex")]
-extern crate syntex;
-
-#[cfg(feature = "with-syntex")]
-extern crate syntex_syntax as syntax;
-
-#[cfg(feature = "with-syntex")]
-include!(concat!(env!("OUT_DIR"), "/lib.rs"));
-
-#[cfg(not(feature = "with-syntex"))]
-#[macro_use]
-extern crate syntax;
-
-#[cfg(not(feature = "with-syntex"))]
-extern crate rustc_plugin;
-
-#[cfg(not(feature = "with-syntex"))]
-include!("lib.rs.in");

dapps/js-glue/src/lib.rs.in

@@ -1,46 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-extern crate quasi;
-
-mod codegen;
-mod build;
-pub mod js;
-pub use build::inner::generate;
-
-use std::default::Default;
-
-#[derive(Clone)]
-pub struct File {
-	pub path: &'static str,
-	pub content: &'static [u8],
-	// TODO: use strongly-typed MIME.
-	pub content_type: &'static str,
-}
-
-#[derive(Clone, Debug)]
-pub struct Info {
-	pub name: &'static str,
-	pub version: &'static str,
-	pub author: &'static str,
-	pub description: &'static str,
-	pub icon_url: &'static str,
-}
-
-pub trait WebApp : Default + Send + Sync {
-	fn file(&self, path: &str) -> Option<&File>;
-	fn info(&self) -> Info;
-}

dapps/node-health/Cargo.toml

@@ -1,18 +0,0 @@
-[package]
-name = "node-health"
-description = "Node's health status"
-version = "0.1.0"
-license = "GPL-3.0"
-authors = ["Parity Technologies <admin@parity.io>"]
-
-[dependencies]
-futures = "0.1"
-futures-cpupool = "0.1"
-log = "0.3"
-ntp = "0.2.0"
-parking_lot = "0.4"
-serde = "1.0"
-serde_derive = "1.0"
-time = "0.1.35"
-
-parity-reactor = { path = "../../util/reactor" }

dapps/node-health/src/health.rs

@@ -1,122 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-//! Reporting node's health.
-
-use std::sync::Arc;
-use std::time;
-use futures::{Future, BoxFuture};
-use futures::sync::oneshot;
-use types::{HealthInfo, HealthStatus, Health};
-use time::{TimeChecker, MAX_DRIFT};
-use parity_reactor::Remote;
-use parking_lot::Mutex;
-use {SyncStatus};
-
-const TIMEOUT_SECS: u64 = 5;
-const PROOF: &str = "Only one closure is invoked.";
-
-/// A struct enabling you to query for node's health.
-#[derive(Debug, Clone)]
-pub struct NodeHealth {
-	sync_status: Arc<SyncStatus>,
-	time: TimeChecker,
-	remote: Remote,
-}
-
-impl NodeHealth {
-	/// Creates new `NodeHealth`.
-	pub fn new(sync_status: Arc<SyncStatus>, time: TimeChecker, remote: Remote) -> Self {
-		NodeHealth { sync_status, time, remote, }
-	}
-
-	/// Query latest health report.
-	pub fn health(&self) -> BoxFuture<Health, ()> {
-		trace!(target: "dapps", "Checking node health.");
-		// Check timediff
-		let sync_status = self.sync_status.clone();
-		let time = self.time.time_drift();
-		let (tx, rx) = oneshot::channel();
-		let tx = Arc::new(Mutex::new(Some(tx)));
-		let tx2 = tx.clone();
-		self.remote.spawn_with_timeout(
-			move || time.then(move |result| {
-				let _ = tx.lock().take().expect(PROOF).send(Ok(result));
-				Ok(())
-			}),
-			time::Duration::from_secs(TIMEOUT_SECS),
-			move || {
-				let _ = tx2.lock().take().expect(PROOF).send(Err(()));
-			},
-		);
-
-		rx.map_err(|err| {
-			warn!(target: "dapps", "Health request cancelled: {:?}", err);
-		}).and_then(move |time| {
-			// Check peers
-			let peers = {
-				let (connected, max) = sync_status.peers();
-				let (status, message) = match connected {
-					0 => {
-						(HealthStatus::Bad, "You are not connected to any peers. There is most likely some network issue. Fix connectivity.".into())
-					},
-					1 => (HealthStatus::NeedsAttention, "You are connected to only one peer. Your node might not be reliable. Check your network connection.".into()),
-					_ => (HealthStatus::Ok, "".into()),
-				};
-				HealthInfo { status, message, details: (connected, max) }
-			};
-
-			// Check sync
-			let sync = {
-				let is_syncing = sync_status.is_major_importing();
-				let (status, message) = if is_syncing {
-					(HealthStatus::NeedsAttention, "Your node is still syncing, the values you see might be outdated. Wait until it's fully synced.".into())
-				} else {
-					(HealthStatus::Ok, "".into())
-				};
-				HealthInfo { status, message, details: is_syncing }
-			};
-
-			// Check time
-			let time = {
-				let (status, message, details) = match time {
-					Ok(Ok(diff)) if diff < MAX_DRIFT && diff > -MAX_DRIFT => {
-						(HealthStatus::Ok, "".into(), diff)
-					},
-					Ok(Ok(diff)) => {
-						(HealthStatus::Bad, format!(
-							"Your clock is not in sync. Detected difference is too big for the protocol to work: {}ms. Synchronize your clock.",
-							diff,
-						), diff)
-					},
-					Ok(Err(err)) => {
-						(HealthStatus::NeedsAttention, format!(
-							"Unable to reach time API: {}. Make sure that your clock is synchronized.",
-							err,
-						), 0)
-					},
-					Err(_) => {
-						(HealthStatus::NeedsAttention, "Time API request timed out. Make sure that the clock is synchronized.".into(), 0)
-					},
-				};
-
-				HealthInfo { status, message, details, }
-			};
-
-			Ok(Health { peers, sync, time})
-		}).boxed()
-	}
-}

dapps/node-health/src/lib.rs

@@ -1,49 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-//! Node Health status reporting.
-
-#![warn(missing_docs)]
-
-extern crate futures;
-extern crate futures_cpupool;
-extern crate ntp;
-extern crate time as time_crate;
-extern crate parity_reactor;
-extern crate parking_lot;
-
-#[macro_use]
-extern crate log;
-#[macro_use]
-extern crate serde_derive;
-
-mod health;
-mod time;
-mod types;
-
-pub use futures_cpupool::CpuPool;
-pub use health::NodeHealth;
-pub use types::{Health, HealthInfo, HealthStatus};
-pub use time::{TimeChecker, Error};
-
-/// Indicates sync status
-pub trait SyncStatus: ::std::fmt::Debug + Send + Sync {
-	/// Returns true if there is a major sync happening.
-	fn is_major_importing(&self) -> bool;
-
-	/// Returns number of connected and ideal peers.
-	fn peers(&self) -> (usize, usize);
-}

dapps/node-health/src/time.rs

@@ -1,355 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-//! Periodically checks node's time drift using [SNTP](https://tools.ietf.org/html/rfc1769).
-//!
-//! An NTP packet is sent to the server with a local timestamp, the server then completes the packet, yielding the
-//! following timestamps:
-//!
-//!    Timestamp Name          ID   When Generated
-//!   ------------------------------------------------------------
-//!    Originate Timestamp     T1   time request sent by client
-//!    Receive Timestamp       T2   time request received at server
-//!    Transmit Timestamp      T3   time reply sent by server
-//!    Destination Timestamp   T4   time reply received at client
-//!
-//! The drift is defined as:
-//!
-//! drift = ((T2 - T1) + (T3 - T4)) / 2.
-//!
-
-use std::io;
-use std::{fmt, mem, time};
-use std::sync::Arc;
-use std::sync::atomic::{self, AtomicUsize};
-
-use std::collections::VecDeque;
-use futures::{self, Future, BoxFuture};
-use futures::future::{self, IntoFuture};
-use futures_cpupool::{CpuPool, CpuFuture};
-use ntp;
-use parking_lot::RwLock;
-use time_crate::{Duration, Timespec};
-
-/// Time checker error.
-#[derive(Debug, Clone, PartialEq)]
-pub enum Error {
-	/// No servers are currently available for a query.
-	NoServersAvailable,
-	/// There was an error when trying to reach the NTP server.
-	Ntp(String),
-	/// IO error when reading NTP response.
-	Io(String),
-}
-
-impl fmt::Display for Error {
-	fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
-		use self::Error::*;
-
-		match *self {
-			NoServersAvailable => write!(fmt, "No NTP servers available"),
-			Ntp(ref err) => write!(fmt, "NTP error: {}", err),
-			Io(ref err) => write!(fmt, "Connection Error: {}", err),
-		}
-	}
-}
-
-impl From<io::Error> for Error {
-	fn from(err: io::Error) -> Self { Error::Io(format!("{}", err)) }
-}
-
-impl From<ntp::errors::Error> for Error {
-	fn from(err: ntp::errors::Error) -> Self { Error::Ntp(format!("{}", err)) }
-}
-
-/// NTP time drift checker.
-pub trait Ntp {
-	/// Returned Future.
-	type Future: IntoFuture<Item=Duration, Error=Error>;
-
-	/// Returns the current time drift.
-	fn drift(&self) -> Self::Future;
-}
-
-const SERVER_MAX_POLL_INTERVAL_SECS: u64 = 60;
-#[derive(Debug)]
-struct Server {
-	pub address: String,
-	next_call: RwLock<time::Instant>,
-	failures: AtomicUsize,
-}
-
-impl Server {
-	pub fn is_available(&self) -> bool {
-		*self.next_call.read() < time::Instant::now()
-	}
-
-	pub fn report_success(&self) {
-		self.failures.store(0, atomic::Ordering::SeqCst);
-		self.update_next_call(1)
-	}
-
-	pub fn report_failure(&self) {
-		let errors = self.failures.fetch_add(1, atomic::Ordering::SeqCst);
-		self.update_next_call(1 << errors)
-	}
-
-	fn update_next_call(&self, delay: usize) {
-		*self.next_call.write() = time::Instant::now() + time::Duration::from_secs(delay as u64 * SERVER_MAX_POLL_INTERVAL_SECS);
-	}
-}
-
-impl<T: AsRef<str>> From<T> for Server {
-	fn from(t: T) -> Self {
-		Server {
-			address: t.as_ref().to_owned(),
-			next_call: RwLock::new(time::Instant::now()),
-			failures: Default::default(),
-		}
-	}
-}
-
-/// NTP client using the SNTP algorithm for calculating drift.
-#[derive(Clone)]
-pub struct SimpleNtp {
-	addresses: Vec<Arc<Server>>,
-	pool: CpuPool,
-}
-
-impl fmt::Debug for SimpleNtp {
-	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-		f
-			.debug_struct("SimpleNtp")
-			.field("addresses", &self.addresses)
-			.finish()
-	}
-}
-
-impl SimpleNtp {
-	fn new<T: AsRef<str>>(addresses: &[T], pool: CpuPool) -> SimpleNtp {
-		SimpleNtp {
-			addresses: addresses.iter().map(Server::from).map(Arc::new).collect(),
-			pool: pool,
-		}
-	}
-}
-
-impl Ntp for SimpleNtp {
-	type Future = future::Either<
-		CpuFuture<Duration, Error>,
-		future::FutureResult<Duration, Error>,
-	>;
-
-	fn drift(&self) -> Self::Future {
-		use self::future::Either::{A, B};
-
-		let server = self.addresses.iter().find(|server| server.is_available());
-		server.map(|server| {
-			let server = server.clone();
-			A(self.pool.spawn_fn(move || {
-				debug!(target: "dapps", "Fetching time from {}.", server.address);
-
-				match ntp::request(&server.address) {
-					Ok(packet) => {
-						let dest_time = ::time_crate::now_utc().to_timespec();
-						let orig_time = Timespec::from(packet.orig_time);
-						let recv_time = Timespec::from(packet.recv_time);
-						let transmit_time = Timespec::from(packet.transmit_time);
-
-						let drift = ((recv_time - orig_time) + (transmit_time - dest_time)) / 2;
-
-						server.report_success();
-						Ok(drift)
-					},
-					Err(err) => {
-						server.report_failure();
-						Err(err.into())
-					},
-				}
-			}))
-		}).unwrap_or_else(|| B(future::err(Error::NoServersAvailable)))
-	}
-}
-
-// NOTE In a positive scenario first results will be seen after:
-// MAX_RESULTS * UPDATE_TIMEOUT_INCOMPLETE_SECS seconds.
-const MAX_RESULTS: usize = 4;
-const UPDATE_TIMEOUT_OK_SECS: u64 = 6 * 60 * 60;
-const UPDATE_TIMEOUT_WARN_SECS: u64 = 15 * 60;
-const UPDATE_TIMEOUT_ERR_SECS: u64 = 60;
-const UPDATE_TIMEOUT_INCOMPLETE_SECS: u64 = 10;
-
-/// Maximal valid time drift.
-pub const MAX_DRIFT: i64 = 500;
-
-#[derive(Debug, Clone)]
-/// A time checker.
-pub struct TimeChecker<N: Ntp = SimpleNtp> {
-	ntp: N,
-	last_result: Arc<RwLock<(time::Instant, VecDeque<Result<i64, Error>>)>>,
-}
-
-impl TimeChecker<SimpleNtp> {
-	/// Creates new time checker given the NTP server address.
-	pub fn new<T: AsRef<str>>(ntp_addresses: &[T], pool: CpuPool) -> Self {
-		let last_result = Arc::new(RwLock::new(
-			// Assume everything is ok at the very beginning.
-			(time::Instant::now(), vec![Ok(0)].into())
-		));
-
-		let ntp = SimpleNtp::new(ntp_addresses, pool);
-
-		TimeChecker {
-			ntp,
-			last_result,
-		}
-	}
-}
-
-impl<N: Ntp> TimeChecker<N> where <N::Future as IntoFuture>::Future: Send + 'static {
-	/// Updates the time
-	pub fn update(&self) -> BoxFuture<i64, Error> {
-		trace!(target: "dapps", "Updating time from NTP.");
-		let last_result = self.last_result.clone();
-		self.ntp.drift().into_future().then(move |res| {
-			let res = res.map(|d| d.num_milliseconds());
-
-			if let Err(Error::NoServersAvailable) = res {
-				debug!(target: "dapps", "No NTP servers available. Selecting an older result.");
-				return select_result(last_result.read().1.iter());
-			}
-
-			// Update the results.
-			let mut results = mem::replace(&mut last_result.write().1, VecDeque::new());
-			let has_all_results = results.len() >= MAX_RESULTS;
-			let valid_till = time::Instant::now() + time::Duration::from_secs(
-				match res {
-					Ok(time) if has_all_results && time < MAX_DRIFT => UPDATE_TIMEOUT_OK_SECS,
-					Ok(_) if has_all_results => UPDATE_TIMEOUT_WARN_SECS,
-					Err(_) if has_all_results => UPDATE_TIMEOUT_ERR_SECS,
-					_ => UPDATE_TIMEOUT_INCOMPLETE_SECS,
-				}
-			);
-
-			trace!(target: "dapps", "New time drift received: {:?}", res);
-			// Push the result.
-			results.push_back(res);
-			while results.len() > MAX_RESULTS {
-				results.pop_front();
-			}
-
-			// Select a response and update last result.
-			let res = select_result(results.iter());
-			*last_result.write() = (valid_till, results);
-			res
-		}).boxed()
-	}
-
-	/// Returns a current time drift or error if last request to NTP server failed.
-	pub fn time_drift(&self) -> BoxFuture<i64, Error> {
-		// return cached result
-		{
-			let res = self.last_result.read();
-			if res.0 > time::Instant::now() {
-				return futures::done(select_result(res.1.iter())).boxed();
-			}
-		}
-		// or update and return result
-		self.update()
-	}
-}
-
-fn select_result<'a, T: Iterator<Item=&'a Result<i64, Error>>>(results: T) -> Result<i64, Error> {
-	let mut min = None;
-	for res in results {
-		min = Some(match (min.take(), res) {
-			(Some(Ok(min)), &Ok(ref new)) => Ok(::std::cmp::min(min, *new)),
-			(Some(Ok(old)), &Err(_)) => Ok(old),
-			(_, ref new) => (*new).clone(),
-		})
-	}
-
-	min.unwrap_or_else(|| Err(Error::Ntp("NTP server unavailable.".into())))
-}
-
-#[cfg(test)]
-mod tests {
-	use std::sync::Arc;
-	use std::cell::{Cell, RefCell};
-	use std::time::Instant;
-	use time::Duration;
-	use futures::{future, Future};
-	use super::{Ntp, TimeChecker, Error};
-	use parking_lot::RwLock;
-
-	#[derive(Clone)]
-	struct FakeNtp(RefCell<Vec<Duration>>, Cell<u64>);
-	impl FakeNtp {
-		fn new() -> FakeNtp {
-			FakeNtp(
-				RefCell::new(vec![Duration::milliseconds(150)]),
-				Cell::new(0))
-		}
-	}
-
-	impl Ntp for FakeNtp {
-		type Future = future::FutureResult<Duration, Error>;
-
-		fn drift(&self) -> Self::Future {
-			self.1.set(self.1.get() + 1);
-			future::ok(self.0.borrow_mut().pop().expect("Unexpected call to drift()."))
-		}
-	}
-
-	fn time_checker() -> TimeChecker<FakeNtp> {
-		let last_result = Arc::new(RwLock::new(
-			(Instant::now(), vec![Err(Error::Ntp("NTP server unavailable".into()))].into())
-		));
-
-		TimeChecker {
-			ntp: FakeNtp::new(),
-			last_result: last_result,
-		}
-	}
-
-	#[test]
-	fn should_fetch_time_on_start() {
-		// given
-		let time = time_checker();
-
-		// when
-		let diff = time.time_drift().wait().unwrap();
-
-		// then
-		assert_eq!(diff, 150);
-		assert_eq!(time.ntp.1.get(), 1);
-	}
-
-	#[test]
-	fn should_not_fetch_twice_if_timeout_has_not_passed() {
-		// given
-		let time = time_checker();
-
-		// when
-		let diff1 = time.time_drift().wait().unwrap();
-		let diff2 = time.time_drift().wait().unwrap();
-
-		// then
-		assert_eq!(diff1, 150);
-		assert_eq!(diff2, 150);
-		assert_eq!(time.ntp.1.get(), 1);
-	}
-}

dapps/node-health/src/types.rs

@@ -1,57 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-//! Base health types.
-
-/// Health API endpoint status.
-#[derive(Debug, PartialEq, Serialize)]
-pub enum HealthStatus {
-	/// Everything's OK.
-	#[serde(rename = "ok")]
-	Ok,
-	/// Node health need attention
-	/// (the issue is not critical, but may need investigation)
-	#[serde(rename = "needsAttention")]
-	NeedsAttention,
-	/// There is something bad detected with the node.
-	#[serde(rename = "bad")]
-	Bad,
-}
-
-/// Represents a single check in node health.
-/// Cointains the status of that check and apropriate message and details.
-#[derive(Debug, PartialEq, Serialize)]
-#[serde(deny_unknown_fields)]
-pub struct HealthInfo<T> {
-	/// Check status.
-	pub status: HealthStatus,
-	/// Human-readable message.
-	pub message: String,
-	/// Technical details of the check.
-	pub details: T,
-}
-
-/// Node Health status.
-#[derive(Debug, PartialEq, Serialize)]
-#[serde(deny_unknown_fields)]
-pub struct Health {
-	/// Status of peers.
-	pub peers: HealthInfo<(usize, usize)>,
-	/// Sync status.
-	pub sync: HealthInfo<bool>,
-	/// Time diff info.
-	pub time: HealthInfo<i64>,
-}

dapps/src/api/api.rs

@@ -1,159 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-use std::sync::Arc;
-
-use hyper::{server, net, Decoder, Encoder, Next, Control};
-use hyper::method::Method;
-use hyper::status::StatusCode;
-
-use api::{response, types};
-use apps::fetcher::Fetcher;
-use handlers::{self, extract_url};
-use endpoint::{Endpoint, Handler, EndpointPath};
-use node_health::{NodeHealth, HealthStatus, Health};
-use parity_reactor::Remote;
-
-#[derive(Clone)]
-pub struct RestApi {
-	fetcher: Arc<Fetcher>,
-	health: NodeHealth,
-	remote: Remote,
-}
-
-impl RestApi {
-	pub fn new(
-		fetcher: Arc<Fetcher>,
-		health: NodeHealth,
-		remote: Remote,
-	) -> Box<Endpoint> {
-		Box::new(RestApi {
-			fetcher,
-			health,
-			remote,
-		})
-	}
-}
-
-impl Endpoint for RestApi {
-	fn to_async_handler(&self, path: EndpointPath, control: Control) -> Box<Handler> {
-		Box::new(RestApiRouter::new((*self).clone(), path, control))
-	}
-}
-
-struct RestApiRouter {
-	api: RestApi,
-	path: Option<EndpointPath>,
-	control: Option<Control>,
-	handler: Box<Handler>,
-}
-
-impl RestApiRouter {
-	fn new(api: RestApi, path: EndpointPath, control: Control) -> Self {
-		RestApiRouter {
-			path: Some(path),
-			control: Some(control),
-			api: api,
-			handler: Box::new(response::as_json_error(StatusCode::NotFound, &types::ApiError {
-				code: "404".into(),
-				title: "Not Found".into(),
-				detail: "Resource you requested has not been found.".into(),
-			})),
-		}
-	}
-
-	fn resolve_content(&self, hash: Option<&str>, path: EndpointPath, control: Control) -> Option<Box<Handler>> {
-		trace!(target: "dapps", "Resolving content: {:?} from path: {:?}", hash, path);
-		match hash {
-			Some(hash) if self.api.fetcher.contains(hash) => {
-				Some(self.api.fetcher.to_async_handler(path, control))
-			},
-			_ => None
-		}
-	}
-
-	fn health(&self, control: Control) -> Box<Handler> {
-		let map = move |health: Result<Result<Health, ()>, ()>| {
-			let status = match health {
-				Ok(Ok(ref health)) => {
-					if [&health.peers.status, &health.sync.status].iter().any(|x| *x != &HealthStatus::Ok) {
-						StatusCode::PreconditionFailed // HTTP 412
-					} else {
-						StatusCode::Ok // HTTP 200
-					}
-				},
-				_ => StatusCode::ServiceUnavailable, // HTTP 503
-			};
-
-			response::as_json(status, &health)
-		};
-		let health = self.api.health.health();
-		let remote = self.api.remote.clone();
-		Box::new(handlers::AsyncHandler::new(health, map, remote, control))
-	}
-}
-
-impl server::Handler<net::HttpStream> for RestApiRouter {
-	fn on_request(&mut self, request: server::Request<net::HttpStream>) -> Next {
-		if let Method::Options = *request.method() {
-			self.handler = response::empty();
-			return Next::write();
-		}
-
-		// TODO [ToDr] Consider using `path.app_params` instead
-		let url = extract_url(&request);
-		if url.is_none() {
-			// Just return 404 if we can't parse URL
-			return Next::write();
-		}
-
-		let url = url.expect("Check for None early-exists above; qed");
-		let mut path = self.path.take().expect("on_request called only once, and path is always defined in new; qed");
-		let control = self.control.take().expect("on_request called only once, and control is always defined in new; qed");
-
-		let endpoint = url.path.get(1).map(|v| v.as_str());
-		let hash = url.path.get(2).map(|v| v.as_str());
-		// at this point path.app_id contains 'api', adjust it to the hash properly, otherwise
-		// we will try and retrieve 'api' as the hash when doing the /api/content route
-		if let Some(ref hash) = hash { path.app_id = hash.clone().to_owned() }
-
-		let handler = endpoint.and_then(|v| match v {
-			"ping" => Some(response::ping()),
-			"health" => Some(self.health(control)),
-			"content" => self.resolve_content(hash, path, control),
-			_ => None
-		});
-
-		// Overwrite default
-		if let Some(h) = handler {
-			self.handler = h;
-		}
-
-		self.handler.on_request(request)
-	}
-
-	fn on_request_readable(&mut self, decoder: &mut Decoder<net::HttpStream>) -> Next {
-		self.handler.on_request_readable(decoder)
-	}
-
-	fn on_response(&mut self, res: &mut server::Response) -> Next {
-		self.handler.on_response(res)
-	}
-
-	fn on_response_writable(&mut self, encoder: &mut Encoder<net::HttpStream>) -> Next {
-		self.handler.on_response_writable(encoder)
-	}
-}

dapps/src/api/mod.rs

@@ -1,23 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-//! REST API
-
-mod api;
-mod response;
-mod types;
-
-pub use self::api::RestApi;

dapps/src/api/response.rs

@@ -1,42 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-use serde::Serialize;
-use serde_json;
-use hyper::status::StatusCode;
-
-use endpoint::Handler;
-use handlers::{ContentHandler, EchoHandler};
-
-pub fn empty() -> Box<Handler> {
-	Box::new(ContentHandler::ok("".into(), mime!(Text/Plain)))
-}
-
-pub fn as_json<T: Serialize>(status: StatusCode, val: &T) -> ContentHandler {
-	let json = serde_json::to_string(val)
-		.expect("serialization to string is infallible; qed");
-	ContentHandler::new(status, json, mime!(Application/Json))
-}
-
-pub fn as_json_error<T: Serialize>(status: StatusCode, val: &T) -> ContentHandler {
-	let json = serde_json::to_string(val)
-		.expect("serialization to string is infallible; qed");
-	ContentHandler::new(status, json, mime!(Application/Json))
-}
-
-pub fn ping() -> Box<Handler> {
-	Box::new(EchoHandler::default())
-}

dapps/src/api/types.rs

@@ -1,27 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-/// A structure representing any error in REST API.
-#[derive(Debug, PartialEq, Serialize, Deserialize)]
-#[serde(deny_unknown_fields)]
-pub struct ApiError {
-	/// Error code.
-	pub code: String,
-	/// Human-readable error summary.
-	pub title: String,
-	/// More technical error details.
-	pub detail: String,
-}

dapps/src/apps/app.rs

@@ -1,55 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-use endpoint::EndpointInfo;
-
-#[derive(Debug, PartialEq, Clone, Serialize, Deserialize)]
-#[serde(deny_unknown_fields)]
-pub struct App {
-	pub id: String,
-	pub name: String,
-	pub description: String,
-	pub version: String,
-	pub author: String,
-	#[serde(rename="iconUrl")]
-	pub icon_url: String,
-}
-
-impl App {
-	/// Creates `App` instance from `EndpointInfo` and `id`.
-	pub fn from_info(id: &str, info: &EndpointInfo) -> Self {
-		App {
-			id: id.to_owned(),
-			name: info.name.to_owned(),
-			description: info.description.to_owned(),
-			version: info.version.to_owned(),
-			author: info.author.to_owned(),
-			icon_url: info.icon_url.to_owned(),
-		}
-	}
-}
-
-impl Into<EndpointInfo> for App {
-	fn into(self) -> EndpointInfo {
-		EndpointInfo {
-			name: self.name,
-			description: self.description,
-			version: self.version,
-			author: self.author,
-			icon_url: self.icon_url,
-		}
-	}
-}

dapps/src/apps/cache.rs

@@ -1,128 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-//! Fetchable Dapps support.
-
-use std::fs;
-
-use linked_hash_map::LinkedHashMap;
-use page::LocalPageEndpoint;
-use handlers::FetchControl;
-
-pub enum ContentStatus {
-	Fetching(FetchControl),
-	Ready(LocalPageEndpoint),
-}
-
-#[derive(Default)]
-pub struct ContentCache {
-	cache: LinkedHashMap<String, ContentStatus>,
-}
-
-impl ContentCache {
-	pub fn insert(&mut self, content_id: String, status: ContentStatus) -> Option<ContentStatus> {
-		self.cache.insert(content_id, status)
-	}
-
-	pub fn remove(&mut self, content_id: &str) -> Option<ContentStatus> {
-		self.cache.remove(content_id)
-	}
-
-	pub fn get(&mut self, content_id: &str) -> Option<&mut ContentStatus> {
-		self.cache.get_refresh(content_id)
-	}
-
-	pub fn clear_garbage(&mut self, expected_size: usize) -> Vec<(String, ContentStatus)> {
-		let len = self.cache.len();
-
-		if len <= expected_size {
-			return Vec::new();
-		}
-
-		let mut removed = Vec::with_capacity(len - expected_size);
-
-		while self.cache.len() > expected_size {
-			let entry = self.cache.pop_front().expect("expected_size bounded at 0, len is greater; qed");
-
-			match entry.1 {
-				ContentStatus::Fetching(ref fetch) => {
-					trace!(target: "dapps", "Aborting {} because of limit.", entry.0);
-					// Mark as aborted
-					fetch.abort()
-				},
-				ContentStatus::Ready(ref endpoint) => {
-					trace!(target: "dapps", "Removing {} because of limit.", entry.0);
-					// Remove path (dir or file)
-					let res = fs::remove_dir_all(&endpoint.path()).or_else(|_| fs::remove_file(&endpoint.path()));
-					if let Err(e) = res {
-						warn!(target: "dapps", "Unable to remove dapp/content from cache: {:?}", e);
-					}
-				}
-			}
-
-			removed.push(entry);
-		}
-		removed
-	}
-
-	#[cfg(test)]
-	pub fn len(&self) -> usize {
-		self.cache.len()
-	}
-}
-
-#[cfg(test)]
-mod tests {
-	use super::*;
-
-	fn only_keys(data: Vec<(String, ContentStatus)>) -> Vec<String> {
-		data.into_iter().map(|x| x.0).collect()
-	}
-
-	#[test]
-	fn should_remove_least_recently_used() {
-		// given
-		let mut cache = ContentCache::default();
-		cache.insert("a".into(), ContentStatus::Fetching(Default::default()));
-		cache.insert("b".into(), ContentStatus::Fetching(Default::default()));
-		cache.insert("c".into(), ContentStatus::Fetching(Default::default()));
-
-		// when
-		let res = cache.clear_garbage(2);
-
-		// then
-		assert_eq!(cache.len(), 2);
-		assert_eq!(only_keys(res), vec!["a"]);
-	}
-
-	#[test]
-	fn should_update_lru_if_accessed() {
-		// given
-		let mut cache = ContentCache::default();
-		cache.insert("a".into(), ContentStatus::Fetching(Default::default()));
-		cache.insert("b".into(), ContentStatus::Fetching(Default::default()));
-		cache.insert("c".into(), ContentStatus::Fetching(Default::default()));
-
-		// when
-		cache.get("a");
-		let res = cache.clear_garbage(2);
-
-		// then
-		assert_eq!(cache.len(), 2);
-		assert_eq!(only_keys(res), vec!["b"]);
-	}
-
-}

dapps/src/apps/fetcher/installers.rs

@@ -1,256 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-use zip;
-use std::{fs, fmt};
-use std::io::{self, Read, Write};
-use std::path::PathBuf;
-use fetch::{self, Mime};
-use util::H256;
-
-use util::sha3::sha3;
-use page::{LocalPageEndpoint, PageCache};
-use handlers::{ContentValidator, ValidatorResponse};
-use apps::manifest::{MANIFEST_FILENAME, deserialize_manifest, serialize_manifest, Manifest};
-use Embeddable;
-
-type OnDone = Box<Fn(Option<LocalPageEndpoint>) + Send>;
-
-fn write_response_and_check_hash(
-	id: &str,
-	mut content_path: PathBuf,
-	filename: &str,
-	response: fetch::Response
-) -> Result<(fs::File, PathBuf), ValidationError> {
-	// try to parse id
-	let id = id.parse().map_err(|_| ValidationError::InvalidContentId)?;
-
-	// check if content exists
-	if content_path.exists() {
-		warn!(target: "dapps", "Overwriting existing content at 0x{:?}", id);
-		fs::remove_dir_all(&content_path)?
-	}
-
-	// create directory
-	fs::create_dir_all(&content_path)?;
-
-	// append filename
-	content_path.push(filename);
-
-	// Now write the response
-	let mut file = io::BufWriter::new(fs::File::create(&content_path)?);
-	let mut reader = io::BufReader::new(response);
-	io::copy(&mut reader, &mut file)?;
-	file.flush()?;
-
-	// Validate hash
-	// TODO [ToDr] calculate sha3 in-flight while reading the response
-	let mut file = io::BufReader::new(fs::File::open(&content_path)?);
-	let hash = sha3(&mut file)?;
-	if id == hash {
-		Ok((file.into_inner(), content_path))
-	} else {
-		Err(ValidationError::HashMismatch {
-			expected: id,
-			got: hash,
-		})
-	}
-}
-
-pub struct Content {
-	id: String,
-	mime: Mime,
-	content_path: PathBuf,
-	on_done: OnDone,
-}
-
-impl Content {
-	pub fn new(id: String, mime: Mime, content_path: PathBuf, on_done: OnDone) -> Self {
-		Content {
-			id: id,
-			mime: mime,
-			content_path: content_path,
-			on_done: on_done,
-		}
-	}
-}
-
-impl ContentValidator for Content {
-	type Error = ValidationError;
-
-	fn validate_and_install(&self, response: fetch::Response) -> Result<ValidatorResponse, ValidationError> {
-		let validate = |content_path: PathBuf| {
-			// Create dir
-			let (_, content_path) = write_response_and_check_hash(self.id.as_str(), content_path.clone(), self.id.as_str(), response)?;
-
-			Ok(LocalPageEndpoint::single_file(content_path, self.mime.clone(), PageCache::Enabled))
-		};
-
-		// Prepare path for a file
-		let content_path = self.content_path.join(&self.id);
-		// Make sure to always call on_done (even in case of errors)!
-		let result = validate(content_path.clone());
-		// remove the file if there was an error
-		if result.is_err() {
-			// Ignore errors since the file might not exist
-			let _ = fs::remove_dir_all(&content_path);
-		}
-		(self.on_done)(result.as_ref().ok().cloned());
-		result.map(ValidatorResponse::Local)
-	}
-}
-
-pub struct Dapp {
-	id: String,
-	dapps_path: PathBuf,
-	on_done: OnDone,
-	embeddable_on: Embeddable,
-}
-
-impl Dapp {
-	pub fn new(id: String, dapps_path: PathBuf, on_done: OnDone, embeddable_on: Embeddable) -> Self {
-		Dapp {
-			id,
-			dapps_path,
-			on_done,
-			embeddable_on,
-		}
-	}
-
-	fn find_manifest(zip: &mut zip::ZipArchive<fs::File>) -> Result<(Manifest, PathBuf), ValidationError> {
-		for i in 0..zip.len() {
-			let mut file = zip.by_index(i)?;
-
-			if !file.name().ends_with(MANIFEST_FILENAME) {
-				continue;
-			}
-
-			// try to read manifest
-			let mut manifest = String::new();
-			let manifest = file
-				.read_to_string(&mut manifest).ok()
-				.and_then(|_| deserialize_manifest(manifest).ok());
-
-			if let Some(manifest) = manifest {
-				let mut manifest_location = PathBuf::from(file.name());
-				manifest_location.pop(); // get rid of filename
-				return Ok((manifest, manifest_location));
-			}
-		}
-
-		Err(ValidationError::ManifestNotFound)
-	}
-}
-
-impl ContentValidator for Dapp {
-	type Error = ValidationError;
-
-	fn validate_and_install(&self, response: fetch::Response) -> Result<ValidatorResponse, ValidationError> {
-		let validate = |dapp_path: PathBuf| {
-			let (file, zip_path) = write_response_and_check_hash(self.id.as_str(), dapp_path.clone(), &format!("{}.zip", self.id), response)?;
-			trace!(target: "dapps", "Opening dapp bundle at {:?}", zip_path);
-			// Unpack archive
-			let mut zip = zip::ZipArchive::new(file)?;
-			// First find manifest file
-			let (mut manifest, manifest_dir) = Self::find_manifest(&mut zip)?;
-			// Overwrite id to match hash
-			manifest.id = self.id.clone();
-
-			// Unpack zip
-			for i in 0..zip.len() {
-				let mut file = zip.by_index(i)?;
-				let is_dir = file.name().chars().rev().next() == Some('/');
-
-				let file_path = PathBuf::from(file.name());
-				let location_in_manifest_base = file_path.strip_prefix(&manifest_dir);
-				// Create files that are inside manifest directory
-				if let Ok(location_in_manifest_base) = location_in_manifest_base {
-					let p = dapp_path.join(location_in_manifest_base);
-					// Check if it's a directory
-					if is_dir {
-						fs::create_dir_all(p)?;
-					} else {
-						let mut target = fs::File::create(p)?;
-						io::copy(&mut file, &mut target)?;
-					}
-				}
-			}
-
-			// Remove zip
-			fs::remove_file(&zip_path)?;
-
-			// Write manifest
-			let manifest_str = serialize_manifest(&manifest).map_err(ValidationError::ManifestSerialization)?;
-			let manifest_path = dapp_path.join(MANIFEST_FILENAME);
-			let mut manifest_file = fs::File::create(manifest_path)?;
-			manifest_file.write_all(manifest_str.as_bytes())?;
-			// Create endpoint
-			let endpoint = LocalPageEndpoint::new(dapp_path, manifest.clone().into(), PageCache::Enabled, self.embeddable_on.clone());
-			Ok(endpoint)
-		};
-
-		// Prepare directory for dapp
-		let target = self.dapps_path.join(&self.id);
-		// Validate the dapp
-		let result = validate(target.clone());
-		// remove the file if there was an error
-		if result.is_err() {
-			// Ignore errors since the file might not exist
-			let _ = fs::remove_dir_all(&target);
-		}
-		(self.on_done)(result.as_ref().ok().cloned());
-		result.map(ValidatorResponse::Local)
-	}
-}
-
-#[derive(Debug)]
-pub enum ValidationError {
-	Io(io::Error),
-	Zip(zip::result::ZipError),
-	InvalidContentId,
-	ManifestNotFound,
-	ManifestSerialization(String),
-	HashMismatch { expected: H256, got: H256, },
-}
-
-impl fmt::Display for ValidationError {
-	fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
-		match *self {
-			ValidationError::Io(ref io) => write!(f, "Unexpected IO error occured: {:?}", io),
-			ValidationError::Zip(ref zip) => write!(f, "Unable to read ZIP archive: {:?}", zip),
-			ValidationError::InvalidContentId => write!(f, "ID is invalid. It should be 256 bits keccak hash of content."),
-			ValidationError::ManifestNotFound => write!(f, "Downloaded Dapp bundle did not contain valid manifest.json file."),
-			ValidationError::ManifestSerialization(ref err) => {
-				write!(f, "There was an error during Dapp Manifest serialization: {:?}", err)
-			},
-			ValidationError::HashMismatch { ref expected, ref got } => {
-				write!(f, "Hash of downloaded content did not match. Expected:{:?}, Got:{:?}.", expected, got)
-			},
-		}
-	}
-}
-
-impl From<io::Error> for ValidationError {
-	fn from(err: io::Error) -> Self {
-		ValidationError::Io(err)
-	}
-}
-
-impl From<zip::result::ZipError> for ValidationError {
-	fn from(err: zip::result::ZipError) -> Self {
-		ValidationError::Zip(err)
-	}
-}

dapps/src/apps/fetcher/mod.rs

@@ -1,314 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-//! Fetchable Dapps support.
-//! Manages downloaded (cached) Dapps and downloads them when necessary.
-//! Uses `URLHint` to resolve addresses into Dapps bundle file location.
-
-mod installers;
-
-use std::{fs, env};
-use std::path::PathBuf;
-use std::sync::Arc;
-use rustc_hex::FromHex;
-use fetch::{Client as FetchClient, Fetch};
-use hash_fetch::urlhint::{URLHintContract, URLHint, URLHintResult};
-use parity_reactor::Remote;
-
-use hyper;
-use hyper::status::StatusCode;
-
-use {Embeddable, SyncStatus, random_filename};
-use util::Mutex;
-use page::LocalPageEndpoint;
-use handlers::{ContentHandler, ContentFetcherHandler};
-use endpoint::{Endpoint, EndpointPath, Handler};
-use apps::cache::{ContentCache, ContentStatus};
-
-/// Limit of cached dapps/content
-const MAX_CACHED_DAPPS: usize = 20;
-
-pub trait Fetcher: Send + Sync + 'static {
-	fn contains(&self, content_id: &str) -> bool;
-
-	fn to_async_handler(&self, path: EndpointPath, control: hyper::Control) -> Box<Handler>;
-}
-
-pub struct ContentFetcher<F: Fetch = FetchClient, R: URLHint + 'static = URLHintContract> {
-	cache_path: PathBuf,
-	resolver: R,
-	cache: Arc<Mutex<ContentCache>>,
-	sync: Arc<SyncStatus>,
-	embeddable_on: Embeddable,
-	remote: Remote,
-	fetch: F,
-	only_content: bool,
-}
-
-impl<R: URLHint + 'static, F: Fetch> Drop for ContentFetcher<F, R> {
-	fn drop(&mut self) {
-		// Clear cache path
-		let _ = fs::remove_dir_all(&self.cache_path);
-	}
-}
-
-impl<R: URLHint + 'static, F: Fetch> ContentFetcher<F, R> {
-
-	pub fn new(
-		resolver: R,
-		sync_status: Arc<SyncStatus>,
-		remote: Remote,
-		fetch: F,
-	) -> Self {
-		let mut cache_path = env::temp_dir();
-		cache_path.push(random_filename());
-
-		ContentFetcher {
-			cache_path: cache_path,
-			resolver: resolver,
-			sync: sync_status,
-			cache: Arc::new(Mutex::new(ContentCache::default())),
-			embeddable_on: None,
-			remote: remote,
-			fetch: fetch,
-			only_content: true,
-		}
-	}
-
-	pub fn allow_dapps(mut self, dapps: bool) -> Self {
-		self.only_content = !dapps;
-		self
-	}
-
-	pub fn embeddable_on(mut self, embeddable_on: Embeddable) -> Self {
-		self.embeddable_on = embeddable_on;
-		self
-	}
-
-	fn still_syncing(embeddable: Embeddable) -> Box<Handler> {
-		Box::new(ContentHandler::error(
-			StatusCode::ServiceUnavailable,
-			"Sync In Progress",
-			"Your node is still syncing. We cannot resolve any content before it's fully synced.",
-			Some("<a href=\"javascript:window.location.reload()\">Refresh</a>"),
-			embeddable,
-		))
-	}
-
-	fn dapps_disabled(address: Embeddable) -> Box<Handler> {
-		Box::new(ContentHandler::error(
-			StatusCode::ServiceUnavailable,
-			"Network Dapps Not Available",
-			"This interface doesn't support network dapps for security reasons.",
-			None,
-			address,
-		))
-	}
-
-	#[cfg(test)]
-	fn set_status(&self, content_id: &str, status: ContentStatus) {
-		self.cache.lock().insert(content_id.to_owned(), status);
-	}
-
-	// resolve contract call synchronously.
-	// TODO: port to futures-based hyper and make it all async.
-	fn resolve(&self, content_id: Vec<u8>) -> Option<URLHintResult> {
-		use futures::Future;
-
-		self.resolver.resolve(content_id)
-			.wait()
-			.unwrap_or_else(|e| { warn!("Error resolving content-id: {}", e); None })
-	}
-}
-
-impl<R: URLHint + 'static, F: Fetch> Fetcher for ContentFetcher<F, R> {
-	fn contains(&self, content_id: &str) -> bool {
-		{
-			let mut cache = self.cache.lock();
-			// Check if we already have the app
-			if cache.get(content_id).is_some() {
-				return true;
-			}
-		}
-		// fallback to resolver
-		if let Ok(content_id) = content_id.from_hex() {
-			// if there is content or we are syncing return true
-			self.sync.is_major_importing() || self.resolve(content_id).is_some()
-		} else {
-			false
-		}
-	}
-
-	fn to_async_handler(&self, path: EndpointPath, control: hyper::Control) -> Box<Handler> {
-		let mut cache = self.cache.lock();
-		let content_id = path.app_id.clone();
-
-		let (new_status, handler) = {
-			let status = cache.get(&content_id);
-			match status {
-				// Just serve the content
-				Some(&mut ContentStatus::Ready(ref endpoint)) => {
-					(None, endpoint.to_async_handler(path, control))
-				},
-				// Content is already being fetched
-				Some(&mut ContentStatus::Fetching(ref fetch_control)) if !fetch_control.is_deadline_reached() => {
-					trace!(target: "dapps", "Content fetching in progress. Waiting...");
-					(None, fetch_control.to_async_handler(path, control))
-				},
-				// We need to start fetching the content
-				_ => {
-					trace!(target: "dapps", "Content unavailable. Fetching... {:?}", content_id);
-					let content_hex = content_id.from_hex().expect("to_handler is called only when `contains` returns true.");
-					let content = self.resolve(content_hex);
-
-					let cache = self.cache.clone();
-					let id = content_id.clone();
-					let on_done = move |result: Option<LocalPageEndpoint>| {
-						let mut cache = cache.lock();
-						match result {
-							Some(endpoint) => cache.insert(id.clone(), ContentStatus::Ready(endpoint)),
-							// In case of error
-							None => cache.remove(&id),
-						};
-					};
-
-					match content {
-						// Don't serve dapps if we are still syncing (but serve content)
-						Some(URLHintResult::Dapp(_)) if self.sync.is_major_importing() => {
-							(None, Self::still_syncing(self.embeddable_on.clone()))
-						},
-						Some(URLHintResult::Dapp(_)) if self.only_content => {
-							(None, Self::dapps_disabled(self.embeddable_on.clone()))
-						},
-						Some(URLHintResult::Dapp(dapp)) => {
-							let handler = ContentFetcherHandler::new(
-								dapp.url(),
-								path,
-								control,
-								installers::Dapp::new(
-									content_id.clone(),
-									self.cache_path.clone(),
-									Box::new(on_done),
-									self.embeddable_on.clone(),
-								),
-								self.embeddable_on.clone(),
-								self.remote.clone(),
-								self.fetch.clone(),
-							);
-
-							(Some(ContentStatus::Fetching(handler.fetch_control())), Box::new(handler) as Box<Handler>)
-						},
-						Some(URLHintResult::Content(content)) => {
-							let handler = ContentFetcherHandler::new(
-								content.url,
-								path,
-								control,
-								installers::Content::new(
-									content_id.clone(),
-									content.mime,
-									self.cache_path.clone(),
-									Box::new(on_done),
-								),
-								self.embeddable_on.clone(),
-								self.remote.clone(),
-								self.fetch.clone(),
-							);
-
-							(Some(ContentStatus::Fetching(handler.fetch_control())), Box::new(handler) as Box<Handler>)
-						},
-						None if self.sync.is_major_importing() => {
-							(None, Self::still_syncing(self.embeddable_on.clone()))
-						},
-						None => {
-							// This may happen when sync status changes in between
-							// `contains` and `to_handler`
-							(None, Box::new(ContentHandler::error(
-								StatusCode::NotFound,
-								"Resource Not Found",
-								"Requested resource was not found.",
-								None,
-								self.embeddable_on.clone(),
-							)) as Box<Handler>)
-						},
-					}
-				},
-			}
-		};
-
-		if let Some(status) = new_status {
-			cache.clear_garbage(MAX_CACHED_DAPPS);
-			cache.insert(content_id, status);
-		}
-
-		handler
-	}
-}
-
-#[cfg(test)]
-mod tests {
-	use std::env;
-	use std::sync::Arc;
-	use util::Bytes;
-	use fetch::{Fetch, Client};
-	use futures::{future, Future, BoxFuture};
-	use hash_fetch::urlhint::{URLHint, URLHintResult};
-	use parity_reactor::Remote;
-
-	use apps::cache::ContentStatus;
-	use endpoint::EndpointInfo;
-	use page::LocalPageEndpoint;
-	use super::{ContentFetcher, Fetcher};
-	use {SyncStatus};
-
-	#[derive(Clone)]
-	struct FakeResolver;
-	impl URLHint for FakeResolver {
-		fn resolve(&self, _id: Bytes) -> BoxFuture<Option<URLHintResult>, String> {
-			future::ok(None).boxed()
-		}
-	}
-
-	#[derive(Debug)]
-	struct FakeSync(bool);
-	impl SyncStatus for FakeSync {
-		fn is_major_importing(&self) -> bool { self.0 }
-		fn peers(&self) -> (usize, usize) { (0, 5) }
-	}
-
-	#[test]
-	fn should_true_if_contains_the_app() {
-		// given
-		let path = env::temp_dir();
-		let fetcher = ContentFetcher::new(FakeResolver, Arc::new(FakeSync(false)), Remote::new_sync(), Client::new().unwrap())
-			.allow_dapps(true);
-		let handler = LocalPageEndpoint::new(path, EndpointInfo {
-			name: "fake".into(),
-			description: "".into(),
-			version: "".into(),
-			author: "".into(),
-			icon_url: "".into(),
-		}, Default::default(), None);
-
-		// when
-		fetcher.set_status("test", ContentStatus::Ready(handler));
-		fetcher.set_status("test2", ContentStatus::Fetching(Default::default()));
-
-		// then
-		assert_eq!(fetcher.contains("test"), true);
-		assert_eq!(fetcher.contains("test2"), true);
-		assert_eq!(fetcher.contains("test3"), false);
-	}
-}

dapps/src/apps/fs.rs

@@ -1,135 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-use std::collections::BTreeMap;
-use std::io;
-use std::io::Read;
-use std::fs;
-use std::path::{Path, PathBuf};
-use page::{LocalPageEndpoint, PageCache};
-use endpoint::{Endpoint, EndpointInfo};
-use apps::manifest::{MANIFEST_FILENAME, deserialize_manifest};
-use Embeddable;
-
-struct LocalDapp {
-	id: String,
-	path: PathBuf,
-	info: EndpointInfo,
-}
-
-/// Tries to find and read manifest file in given `path` to extract `EndpointInfo`
-/// If manifest is not found sensible default `EndpointInfo` is returned based on given `name`.
-fn read_manifest(name: &str, mut path: PathBuf) -> EndpointInfo {
-	path.push(MANIFEST_FILENAME);
-
-	fs::File::open(path.clone())
-		.map_err(|e| format!("{:?}", e))
-		.and_then(|mut f| {
-			// Reat file
-			let mut s = String::new();
-			f.read_to_string(&mut s).map_err(|e| format!("{:?}", e))?;
-			// Try to deserialize manifest
-			deserialize_manifest(s)
-		})
-		.map(Into::into)
-		.unwrap_or_else(|e| {
-			warn!(target: "dapps", "Cannot read manifest file at: {:?}. Error: {:?}", path, e);
-
-			EndpointInfo {
-				name: name.into(),
-				description: name.into(),
-				version: "0.0.0".into(),
-				author: "?".into(),
-				icon_url: "icon.png".into(),
-			}
-		})
-}
-
-/// Returns Dapp Id and Local Dapp Endpoint for given filesystem path.
-/// Parses the path to extract last component (for name).
-/// `None` is returned when path is invalid or non-existent.
-pub fn local_endpoint<P: AsRef<Path>>(path: P, embeddable: Embeddable) -> Option<(String, Box<LocalPageEndpoint>)> {
-	let path = path.as_ref().to_owned();
-	path.canonicalize().ok().and_then(|path| {
-		let name = path.file_name().and_then(|name| name.to_str());
-		name.map(|name| {
-			let dapp = local_dapp(name.into(), path.clone());
-			(dapp.id, Box::new(LocalPageEndpoint::new(
-				dapp.path, dapp.info, PageCache::Disabled, embeddable.clone())
-			))
-		})
-	})
-}
-
-
-fn local_dapp(name: String, path: PathBuf) -> LocalDapp {
-	// try to get manifest file
-	let info = read_manifest(&name, path.clone());
-	LocalDapp {
-		id: name,
-		path: path,
-		info: info,
-	}
-}
-
-/// Returns endpoints for Local Dapps found for given filesystem path.
-/// Scans the directory and collects `LocalPageEndpoints`.
-pub fn local_endpoints<P: AsRef<Path>>(dapps_path: P, embeddable: Embeddable) -> BTreeMap<String, Box<Endpoint>> {
-	let mut pages = BTreeMap::<String, Box<Endpoint>>::new();
-	for dapp in local_dapps(dapps_path.as_ref()) {
-		pages.insert(
-			dapp.id,
-			Box::new(LocalPageEndpoint::new(dapp.path, dapp.info, PageCache::Disabled, embeddable.clone()))
-		);
-	}
-	pages
-}
-
-
-fn local_dapps(dapps_path: &Path) -> Vec<LocalDapp> {
-	let files = fs::read_dir(dapps_path);
-	if let Err(e) = files {
-		warn!(target: "dapps", "Unable to load local dapps from: {}. Reason: {:?}", dapps_path.display(), e);
-		return vec![];
-	}
-
-	let files = files.expect("Check is done earlier");
-	files.map(|dir| {
-			let entry = dir?;
-			let file_type = entry.file_type()?;
-
-			// skip files
-			if file_type.is_file() {
-				return Err(io::Error::new(io::ErrorKind::NotFound, "Not a file"));
-			}
-
-			// take directory name and path
-			entry.file_name().into_string()
-				.map(|name| (name, entry.path()))
-				.map_err(|e| {
-					info!(target: "dapps", "Unable to load dapp: {:?}. Reason: {:?}", entry.path(), e);
-					io::Error::new(io::ErrorKind::NotFound, "Invalid name")
-				})
-		})
-		.filter_map(|m| {
-			if let Err(ref e) = m {
-				debug!(target: "dapps", "Ignoring local dapp: {:?}", e);
-			}
-			m.ok()
-		})
-		.map(|(name, path)| local_dapp(name, path))
-		.collect()
-}

dapps/src/apps/manifest.rs

@@ -1,29 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-use serde_json;
-pub use apps::App as Manifest;
-
-pub const MANIFEST_FILENAME: &'static str = "manifest.json";
-
-pub fn deserialize_manifest(manifest: String) -> Result<Manifest, String> {
-	serde_json::from_str::<Manifest>(&manifest).map_err(|e| format!("{:?}", e))
-	// TODO [todr] Manifest validation (especialy: id (used as path))
-}
-
-pub fn serialize_manifest(manifest: &Manifest) -> Result<String, String> {
-	serde_json::to_string_pretty(manifest).map_err(|e| format!("{:?}", e))
-}

dapps/src/apps/mod.rs

@@ -1,97 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-use std::collections::BTreeMap;
-use std::path::PathBuf;
-use std::sync::Arc;
-
-use endpoint::{Endpoints, Endpoint};
-use page::PageEndpoint;
-use proxypac::ProxyPac;
-use web::Web;
-use fetch::Fetch;
-use parity_dapps::WebApp;
-use parity_reactor::Remote;
-use parity_ui;
-use {WebProxyTokens, ParentFrameSettings};
-
-mod app;
-mod cache;
-mod fs;
-mod ui;
-pub mod fetcher;
-pub mod manifest;
-
-pub use self::app::App;
-
-pub const HOME_PAGE: &'static str = "home";
-pub const RPC_PATH: &'static str =  "rpc";
-pub const API_PATH: &'static str =  "api";
-pub const UTILS_PATH: &'static str =  "parity-utils";
-pub const WEB_PATH: &'static str = "web";
-pub const URL_REFERER: &'static str = "__referer=";
-
-pub fn utils() -> Box<Endpoint> {
-	Box::new(PageEndpoint::with_prefix(parity_ui::App::default(), UTILS_PATH.to_owned()))
-}
-
-pub fn ui() -> Box<Endpoint> {
-	Box::new(PageEndpoint::with_fallback_to_index(parity_ui::App::default()))
-}
-
-pub fn ui_redirection(embeddable: Option<ParentFrameSettings>) -> Box<Endpoint> {
-	Box::new(ui::Redirection::new(embeddable))
-}
-
-pub fn all_endpoints<F: Fetch>(
-	dapps_path: PathBuf,
-	extra_dapps: Vec<PathBuf>,
-	dapps_domain: &str,
-	embeddable: Option<ParentFrameSettings>,
-	web_proxy_tokens: Arc<WebProxyTokens>,
-	remote: Remote,
-	fetch: F,
-) -> Endpoints {
-	// fetch fs dapps at first to avoid overwriting builtins
-	let mut pages = fs::local_endpoints(dapps_path, embeddable.clone());
-	for path in extra_dapps {
-		if let Some((id, endpoint)) = fs::local_endpoint(path.clone(), embeddable.clone()) {
-			pages.insert(id, endpoint);
-		} else {
-			warn!(target: "dapps", "Ignoring invalid dapp at {}", path.display());
-		}
-	}
-
-	// NOTE [ToDr] Dapps will be currently embeded on 8180
-	insert::<parity_ui::App>(&mut pages, "ui", Embeddable::Yes(embeddable.clone()));
-	pages.insert("proxy".into(), ProxyPac::boxed(embeddable.clone(), dapps_domain.to_owned()));
-	pages.insert(WEB_PATH.into(), Web::boxed(embeddable.clone(), web_proxy_tokens.clone(), remote.clone(), fetch.clone()));
-
-	Arc::new(pages)
-}
-
-fn insert<T : WebApp + Default + 'static>(pages: &mut BTreeMap<String, Box<Endpoint>>, id: &str, embed_at: Embeddable) {
-	pages.insert(id.to_owned(), Box::new(match embed_at {
-		Embeddable::Yes(address) => PageEndpoint::new_safe_to_embed(T::default(), address),
-		Embeddable::No => PageEndpoint::new(T::default()),
-	}));
-}
-
-enum Embeddable {
-	Yes(Option<ParentFrameSettings>),
-	#[allow(dead_code)]
-	No,
-}

dapps/src/apps/ui.rs

@@ -1,55 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-//! UI redirections
-
-use hyper::{Control, StatusCode};
-
-use endpoint::{Endpoint, Handler, EndpointPath};
-use {handlers, Embeddable};
-
-/// Redirection to UI server.
-pub struct Redirection {
-	embeddable_on: Embeddable,
-}
-
-impl Redirection {
-	pub fn new(
-		embeddable_on: Embeddable,
-	) -> Self {
-		Redirection {
-			embeddable_on,
-		}
-	}
-}
-
-impl Endpoint for Redirection {
-	fn to_async_handler(&self, _path: EndpointPath, _control: Control) -> Box<Handler> {
-		if let Some(ref frame) = self.embeddable_on {
-			trace!(target: "dapps", "Redirecting to signer interface.");
-			handlers::Redirection::boxed(&format!("http://{}:{}", &frame.host, frame.port))
-		} else {
-			trace!(target: "dapps", "Signer disabled, returning 404.");
-			Box::new(handlers::ContentHandler::error(
-				StatusCode::NotFound,
-				"404 Not Found",
-				"Your homepage is not available when Trusted Signer is disabled.",
-				Some("You can still access dapps by writing a correct address, though. Re-enable Signer to get your homepage back."),
-				None,
-			))
-		}
-	}
-}

dapps/src/endpoint.rs

@@ -1,55 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-//! URL Endpoint traits
-
-use std::sync::Arc;
-use std::collections::BTreeMap;
-
-use hyper::{self, server, net};
-
-#[derive(Debug, PartialEq, Default, Clone)]
-pub struct EndpointPath {
-	pub app_id: String,
-	pub app_params: Vec<String>,
-	pub host: String,
-	pub port: u16,
-	pub using_dapps_domains: bool,
-}
-
-#[derive(Debug, PartialEq, Clone)]
-pub struct EndpointInfo {
-	pub name: String,
-	pub description: String,
-	pub version: String,
-	pub author: String,
-	pub icon_url: String,
-}
-
-pub type Endpoints = Arc<BTreeMap<String, Box<Endpoint>>>;
-pub type Handler = server::Handler<net::HttpStream> + Send;
-
-pub trait Endpoint : Send + Sync {
-	fn info(&self) -> Option<&EndpointInfo> { None }
-
-	fn to_handler(&self, _path: EndpointPath) -> Box<Handler> {
-		panic!("This Endpoint is asynchronous and requires Control object.");
-	}
-
-	fn to_async_handler(&self, path: EndpointPath, _control: hyper::Control) -> Box<Handler> {
-		self.to_handler(path)
-	}
-}

dapps/src/error_tpl.html

@@ -1,21 +0,0 @@
-<!DOCTYPE html>
-<html>
-	<head>
-		<meta charset="utf-8">
-		<meta name="viewport" content="width=device-width">
-		<title>{title}</title>
-		<link rel="stylesheet" href="/parity-utils/styles.css">
-	</head>
-	<body>
-		<div class="parity-navbar">
-		</div>
-		<div class="parity-box">
-			<h1>{title}</h1>
-			<h3>{message}</h3>
-			<p><code>{details}</code></p>
-		</div>
-		<div class="parity-status">
-			<small>{version}</small>
-		</div>
-	</body>
-</html>

dapps/src/handlers/async.rs

@@ -1,112 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-//! Async Content Handler
-//! Temporary solution until we switch to future-based server.
-//! Wraps a future and converts it to hyper::server::Handler;
-
-use std::{mem, time};
-use std::sync::mpsc;
-use futures::Future;
-use hyper::{server, Decoder, Encoder, Next, Control};
-use hyper::net::HttpStream;
-
-use handlers::ContentHandler;
-use parity_reactor::Remote;
-
-const TIMEOUT_SECS: u64 = 15;
-
-enum State<F, T, M> {
-	Initial(F, M, Remote, Control),
-	Waiting(mpsc::Receiver<Result<T, ()>>, M),
-	Done(ContentHandler),
-	Invalid,
-}
-
-pub struct AsyncHandler<F, T, M> {
-	state: State<F, T, M>,
-}
-
-impl<F, T, M> AsyncHandler<F, T, M> {
-	pub fn new(future: F, map: M, remote: Remote, control: Control) -> Self {
-		AsyncHandler {
-			state: State::Initial(future, map, remote, control),
-		}
-	}
-}
-
-impl<F, T, E, M> server::Handler<HttpStream> for AsyncHandler<F, Result<T, E>, M> where
-	F: Future<Item=T, Error=E> + Send + 'static,
-	M: FnOnce(Result<Result<T, E>, ()>) -> ContentHandler,
-	T: Send + 'static,
-	E: Send + 'static,
-{
-	fn on_request(&mut self, _request: server::Request<HttpStream>) -> Next {
-		if let State::Initial(future, map, remote, control) = mem::replace(&mut self.state, State::Invalid) {
-			let (tx, rx) = mpsc::sync_channel(1);
-			let control2 = control.clone();
-			let tx2 = tx.clone();
-			remote.spawn_with_timeout(move || future.then(move |result| {
-				// Send a result (ignore errors if the connection was dropped)
-				let _ = tx.send(Ok(result));
-				// Resume handler
-				let _ = control.ready(Next::read());
-
-				Ok(())
-			}), time::Duration::from_secs(TIMEOUT_SECS), move || {
-				// Notify about error
-				let _ = tx2.send(Err(()));
-				// Resume handler
-				let _ = control2.ready(Next::read());
-			});
-
-			self.state = State::Waiting(rx, map);
-		}
-
-		Next::wait()
-	}
-
-	fn on_request_readable(&mut self, _decoder: &mut Decoder<HttpStream>) -> Next {
-		if let State::Waiting(rx, map) = mem::replace(&mut self.state, State::Invalid) {
-			match rx.try_recv() {
-				Ok(result) => {
-					self.state = State::Done(map(result));
-				},
-				Err(err) => {
-					warn!("Resuming handler in incorrect state: {:?}", err);
-				}
-			}
-		}
-
-		Next::write()
-	}
-
-	fn on_response(&mut self, res: &mut server::Response) -> Next {
-		if let State::Done(ref mut handler) = self.state {
-			handler.on_response(res)
-		} else {
-			Next::end()
-		}
-	}
-
-	fn on_response_writable(&mut self, encoder: &mut Encoder<HttpStream>) -> Next {
-		if let State::Done(ref mut handler) = self.state {
-			handler.on_response_writable(encoder)
-		} else {
-			Next::end()
-		}
-	}
-}

dapps/src/handlers/content.rs

@@ -1,116 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-//! Simple Content Handler
-
-use hyper::{header, server, Decoder, Encoder, Next};
-use hyper::net::HttpStream;
-use hyper::mime::Mime;
-use hyper::status::StatusCode;
-
-use util::version;
-
-use handlers::add_security_headers;
-use Embeddable;
-
-#[derive(Clone)]
-pub struct ContentHandler {
-	code: StatusCode,
-	content: String,
-	mimetype: Mime,
-	write_pos: usize,
-	safe_to_embed_on: Embeddable,
-}
-
-impl ContentHandler {
-	pub fn ok(content: String, mimetype: Mime) -> Self {
-		Self::new(StatusCode::Ok, content, mimetype)
-	}
-
-	pub fn html(code: StatusCode, content: String, embeddable_on: Embeddable) -> Self {
-		Self::new_embeddable(code, content, mime!(Text/Html), embeddable_on)
-	}
-
-	pub fn error(
-		code: StatusCode,
-		title: &str,
-		message: &str,
-		details: Option<&str>,
-		embeddable_on: Embeddable,
-	) -> Self {
-		Self::html(code, format!(
-			include_str!("../error_tpl.html"),
-			title=title,
-			message=message,
-			details=details.unwrap_or_else(|| ""),
-			version=version(),
-		), embeddable_on)
-	}
-
-	pub fn new(code: StatusCode, content: String, mimetype: Mime) -> Self {
-		Self::new_embeddable(code, content, mimetype, None)
-	}
-
-	pub fn new_embeddable(
-		code: StatusCode,
-		content: String,
-		mimetype: Mime,
-		safe_to_embed_on: Embeddable,
-	) -> Self {
-		ContentHandler {
-			code,
-			content,
-			mimetype,
-			write_pos: 0,
-			safe_to_embed_on,
-		}
-	}
-}
-
-impl server::Handler<HttpStream> for ContentHandler {
-	fn on_request(&mut self, _request: server::Request<HttpStream>) -> Next {
-		Next::write()
-	}
-
-	fn on_request_readable(&mut self, _decoder: &mut Decoder<HttpStream>) -> Next {
-		Next::write()
-	}
-
-	fn on_response(&mut self, res: &mut server::Response) -> Next {
-		res.set_status(self.code);
-		res.headers_mut().set(header::ContentType(self.mimetype.clone()));
-		add_security_headers(&mut res.headers_mut(), self.safe_to_embed_on.take());
-		Next::write()
-	}
-
-	fn on_response_writable(&mut self, encoder: &mut Encoder<HttpStream>) -> Next {
-		let bytes = self.content.as_bytes();
-		if self.write_pos == bytes.len() {
-			return Next::end();
-		}
-
-		match encoder.write(&bytes[self.write_pos..]) {
-			Ok(bytes) => {
-				self.write_pos += bytes;
-				Next::write()
-			},
-			Err(e) => match e.kind() {
-				::std::io::ErrorKind::WouldBlock => Next::write(),
-				_ => Next::end()
-			},
-		}
-	}
-}

dapps/src/handlers/echo.rs

@@ -1,60 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-//! Echo Handler
-
-use std::io::Read;
-use hyper::{server, Decoder, Encoder, Next};
-use hyper::net::HttpStream;
-use super::ContentHandler;
-
-#[derive(Default)]
-pub struct EchoHandler {
-	content: String,
-	handler: Option<ContentHandler>,
-}
-
-impl server::Handler<HttpStream> for EchoHandler {
-	fn on_request(&mut self, _: server::Request<HttpStream>) -> Next {
-		Next::read()
-	}
-
-	fn on_request_readable(&mut self, decoder: &mut Decoder<HttpStream>) -> Next {
-		match decoder.read_to_string(&mut self.content) {
-			Ok(0) => {
-				self.handler = Some(ContentHandler::ok(self.content.clone(), mime!(Application/Json)));
-				Next::write()
-			},
-			Ok(_) => Next::read(),
-			Err(e) => match e.kind() {
-				::std::io::ErrorKind::WouldBlock => Next::read(),
-				_ => Next::end(),
-			}
-		}
-	}
-
-	fn on_response(&mut self, res: &mut server::Response) -> Next {
-		self.handler.as_mut()
-			.expect("handler always set in on_request, which is before now; qed")
-			.on_response(res)
-	}
-
-	fn on_response_writable(&mut self, encoder: &mut Encoder<HttpStream>) -> Next {
-		self.handler.as_mut()
-			.expect("handler always set in on_request, which is before now; qed")
-			.on_response_writable(encoder)
-	}
-}

dapps/src/handlers/fetch.rs

@@ -1,395 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-//! Hyper Server Handler that fetches a file during a request (proxy).
-
-use std::fmt;
-use std::sync::{mpsc, Arc};
-use std::sync::atomic::{AtomicBool, Ordering};
-use std::time::{Instant, Duration};
-use fetch::{self, Fetch};
-use futures::Future;
-use parity_reactor::Remote;
-use util::Mutex;
-
-use hyper::{server, Decoder, Encoder, Next, Method, Control};
-use hyper::net::HttpStream;
-use hyper::uri::RequestUri;
-use hyper::status::StatusCode;
-
-use endpoint::EndpointPath;
-use handlers::{ContentHandler, StreamingHandler};
-use page::{LocalPageEndpoint, PageHandlerWaiting};
-use {Embeddable};
-
-const FETCH_TIMEOUT: u64 = 300;
-
-pub enum ValidatorResponse {
-	Local(LocalPageEndpoint),
-	Streaming(StreamingHandler<fetch::Response>),
-}
-
-pub trait ContentValidator: Send + 'static {
-	type Error: fmt::Debug + fmt::Display;
-
-	fn validate_and_install(&self, fetch::Response) -> Result<ValidatorResponse, Self::Error>;
-}
-
-enum FetchState {
-	Waiting,
-	NotStarted(String),
-	Error(ContentHandler),
-	InProgress(mpsc::Receiver<FetchState>),
-	Streaming(StreamingHandler<fetch::Response>),
-	Done(LocalPageEndpoint, Box<PageHandlerWaiting>),
-}
-
-enum WaitResult {
-	Error(ContentHandler),
-	Done(LocalPageEndpoint),
-	NonAwaitable,
-}
-
-#[derive(Clone)]
-pub struct FetchControl {
-	abort: Arc<AtomicBool>,
-	listeners: Arc<Mutex<Vec<(Control, mpsc::Sender<WaitResult>)>>>,
-	deadline: Instant,
-}
-
-impl Default for FetchControl {
-	fn default() -> Self {
-		FetchControl {
-			abort: Arc::new(AtomicBool::new(false)),
-			listeners: Arc::new(Mutex::new(Vec::new())),
-			deadline: Instant::now() + Duration::from_secs(FETCH_TIMEOUT),
-		}
-	}
-}
-
-impl FetchControl {
-	fn notify<F: Fn() -> WaitResult>(&self, status: F) {
-		let mut listeners = self.listeners.lock();
-		for (control, sender) in listeners.drain(..) {
-			trace!(target: "dapps", "Resuming request waiting for content...");
-			if let Err(e) = sender.send(status()) {
-				trace!(target: "dapps", "Waiting listener notification failed: {:?}", e);
-			} else {
-				let _ = control.ready(Next::read());
-			}
-		}
-	}
-
-	fn set_status(&self, status: &FetchState) {
-		match *status {
-			FetchState::Error(ref handler) => self.notify(|| WaitResult::Error(handler.clone())),
-			FetchState::Done(ref endpoint, _) => self.notify(|| WaitResult::Done(endpoint.clone())),
-			FetchState::Streaming(_) => self.notify(|| WaitResult::NonAwaitable),
-			FetchState::NotStarted(_) | FetchState::InProgress(_) | FetchState::Waiting => {},
-		}
-	}
-
-	pub fn is_deadline_reached(&self) -> bool {
-		self.deadline < Instant::now()
-	}
-
-	pub fn abort(&self) {
-		self.abort.store(true, Ordering::SeqCst);
-	}
-
-	pub fn to_async_handler(&self, path: EndpointPath, control: Control) -> Box<server::Handler<HttpStream> + Send> {
-		let (tx, rx) = mpsc::channel();
-		self.listeners.lock().push((control, tx));
-
-		Box::new(WaitingHandler {
-			receiver: rx,
-			state: FetchState::Waiting,
-			uri: RequestUri::default(),
-			path: path,
-		})
-	}
-}
-
-pub struct WaitingHandler {
-	receiver: mpsc::Receiver<WaitResult>,
-	state: FetchState,
-	uri: RequestUri,
-	path: EndpointPath,
-}
-
-impl server::Handler<HttpStream> for WaitingHandler {
-	fn on_request(&mut self, request: server::Request<HttpStream>) -> Next {
-		self.uri = request.uri().clone();
-		Next::wait()
-	}
-
-	fn on_request_readable(&mut self, decoder: &mut Decoder<HttpStream>) -> Next {
-		let result = self.receiver.try_recv().ok();
-		self.state = match result {
-			Some(WaitResult::Error(handler)) => FetchState::Error(handler),
-			Some(WaitResult::Done(endpoint)) => {
-				let mut page_handler = endpoint.to_page_handler(self.path.clone());
-				page_handler.set_uri(&self.uri);
-				FetchState::Done(endpoint, page_handler)
-			},
-			_ => {
-				warn!("A result for waiting request was not received.");
-				FetchState::Waiting
-			},
-		};
-
-		match self.state {
-			FetchState::Done(_, ref mut handler) => handler.on_request_readable(decoder),
-			FetchState::Streaming(ref mut handler) => handler.on_request_readable(decoder),
-			FetchState::Error(ref mut handler) => handler.on_request_readable(decoder),
-			_ => Next::write(),
-		}
-	}
-
-	fn on_response(&mut self, res: &mut server::Response) -> Next {
-		match self.state {
-			FetchState::Done(_, ref mut handler) => handler.on_response(res),
-			FetchState::Streaming(ref mut handler) => handler.on_response(res),
-			FetchState::Error(ref mut handler) => handler.on_response(res),
-			_ => Next::end(),
-		}
-	}
-
-	fn on_response_writable(&mut self, encoder: &mut Encoder<HttpStream>) -> Next {
-		match self.state {
-			FetchState::Done(_, ref mut handler) => handler.on_response_writable(encoder),
-			FetchState::Streaming(ref mut handler) => handler.on_response_writable(encoder),
-			FetchState::Error(ref mut handler) => handler.on_response_writable(encoder),
-			_ => Next::end(),
-		}
-	}
-}
-
-#[derive(Clone)]
-struct Errors {
-	embeddable_on: Embeddable,
-}
-
-impl Errors {
-	fn download_error<E: fmt::Debug>(&self, e: E) -> ContentHandler {
-		ContentHandler::error(
-			StatusCode::BadGateway,
-			"Download Error",
-			"There was an error when fetching the content.",
-			Some(&format!("{:?}", e)),
-			self.embeddable_on.clone(),
-		)
-	}
-
-	fn invalid_content<E: fmt::Debug>(&self, e: E) -> ContentHandler {
-		ContentHandler::error(
-			StatusCode::BadGateway,
-			"Invalid Dapp",
-			"Downloaded bundle does not contain a valid content.",
-			Some(&format!("{:?}", e)),
-			self.embeddable_on.clone(),
-		)
-	}
-
-	fn timeout_error(&self) -> ContentHandler {
-		ContentHandler::error(
-			StatusCode::GatewayTimeout,
-			"Download Timeout",
-			&format!("Could not fetch content within {} seconds.", FETCH_TIMEOUT),
-			None,
-			self.embeddable_on.clone(),
-		)
-	}
-
-	fn method_not_allowed(&self) -> ContentHandler {
-		ContentHandler::error(
-			StatusCode::MethodNotAllowed,
-			"Method Not Allowed",
-			"Only <code>GET</code> requests are allowed.",
-			None,
-			self.embeddable_on.clone(),
-		)
-	}
-}
-
-pub struct ContentFetcherHandler<H: ContentValidator, F: Fetch> {
-	fetch_control: FetchControl,
-	control: Control,
-	remote: Remote,
-	status: FetchState,
-	fetch: F,
-	installer: Option<H>,
-	path: EndpointPath,
-	errors: Errors,
-}
-
-impl<H: ContentValidator, F: Fetch> ContentFetcherHandler<H, F> {
-	pub fn new(
-		url: String,
-		path: EndpointPath,
-		control: Control,
-		installer: H,
-		embeddable_on: Embeddable,
-		remote: Remote,
-		fetch: F,
-	) -> Self {
-		ContentFetcherHandler {
-			fetch_control: FetchControl::default(),
-			control,
-			remote,
-			fetch,
-			status: FetchState::NotStarted(url),
-			installer: Some(installer),
-			path,
-			errors: Errors {
-				embeddable_on,
-			},
-		}
-	}
-
-	pub fn fetch_control(&self) -> FetchControl {
-		self.fetch_control.clone()
-	}
-
-	fn fetch_content(&self, uri: RequestUri, url: &str, installer: H) -> mpsc::Receiver<FetchState> {
-		let (tx, rx) = mpsc::channel();
-		let abort = self.fetch_control.abort.clone();
-
-		let path = self.path.clone();
-		let tx2 = tx.clone();
-		let control = self.control.clone();
-		let errors = self.errors.clone();
-
-		let future = self.fetch.fetch_with_abort(url, abort.into()).then(move |result| {
-			trace!(target: "dapps", "Fetching content finished. Starting validation: {:?}", result);
-			let new_state = match result {
-				Ok(response) => match installer.validate_and_install(response) {
-					Ok(ValidatorResponse::Local(endpoint)) => {
-						trace!(target: "dapps", "Validation OK. Returning response.");
-						let mut handler = endpoint.to_page_handler(path);
-						handler.set_uri(&uri);
-						FetchState::Done(endpoint, handler)
-					},
-					Ok(ValidatorResponse::Streaming(handler)) => {
-						trace!(target: "dapps", "Validation OK. Streaming response.");
-						FetchState::Streaming(handler)
-					},
-					Err(e) => {
-						trace!(target: "dapps", "Error while validating content: {:?}", e);
-						FetchState::Error(errors.invalid_content(e))
-					},
-				},
-				Err(e) => {
-					warn!(target: "dapps", "Unable to fetch content: {:?}", e);
-					FetchState::Error(errors.download_error(e))
-				},
-			};
-			// Content may be resolved when the connection is already dropped.
-			let _ = tx2.send(new_state);
-			// Ignoring control errors
-			let _ = control.ready(Next::read());
-			Ok(()) as Result<(), ()>
-		});
-
-		// make sure to run within fetch thread pool.
-		let future = self.fetch.process(future);
-		// spawn to event loop
-		let control = self.control.clone();
-		let errors = self.errors.clone();
-		self.remote.spawn_with_timeout(|| future, Duration::from_secs(FETCH_TIMEOUT), move || {
-			// Notify about the timeout
-			let _ = tx.send(FetchState::Error(errors.timeout_error()));
-			// Ignoring control errors
-			let _ = control.ready(Next::read());
-		});
-
-		rx
-	}
-}
-
-impl<H: ContentValidator, F: Fetch> server::Handler<HttpStream> for ContentFetcherHandler<H, F> {
-	fn on_request(&mut self, request: server::Request<HttpStream>) -> Next {
-		let status = if let FetchState::NotStarted(ref url) = self.status {
-			let uri = request.uri().clone();
-			let installer = self.installer.take().expect("Installer always set initialy; installer used only in on_request; on_request invoked only once; qed");
-
-			Some(match *request.method() {
-				// Start fetching content
-				Method::Get => {
-					trace!(target: "dapps", "Fetching content from: {:?}", url);
-					let receiver = self.fetch_content(uri, url, installer);
-					FetchState::InProgress(receiver)
-				},
-				// or return error
-				_ => FetchState::Error(self.errors.method_not_allowed()),
-			})
-		} else { None };
-
-		if let Some(status) = status {
-			self.fetch_control.set_status(&status);
-			self.status = status;
-		}
-
-		Next::read()
-	}
-
-	fn on_request_readable(&mut self, decoder: &mut Decoder<HttpStream>) -> Next {
-		let (status, next) = match self.status {
-			// Request may time out
-			FetchState::InProgress(_) if self.fetch_control.is_deadline_reached() => {
-				trace!(target: "dapps", "Fetching dapp failed because of timeout.");
-				(Some(FetchState::Error(self.errors.timeout_error())), Next::write())
-			},
-			FetchState::InProgress(ref receiver) => {
-				// Check if there is an answer
-				let rec = receiver.try_recv();
-				match rec {
-					// just return the new state
-					Ok(state) => (Some(state), Next::write()),
-					// wait some more
-					_ => (None, Next::wait())
-				}
-			},
-			FetchState::Error(ref mut handler) => (None, handler.on_request_readable(decoder)),
-			_ => (None, Next::write()),
-		};
-
-		if let Some(status) = status {
-			self.fetch_control.set_status(&status);
-			self.status = status;
-		}
-
-		next
-	}
-
-	fn on_response(&mut self, res: &mut server::Response) -> Next {
-		match self.status {
-			FetchState::Done(_, ref mut handler) => handler.on_response(res),
-			FetchState::Streaming(ref mut handler) => handler.on_response(res),
-			FetchState::Error(ref mut handler) => handler.on_response(res),
-			_ => Next::end(),
-		}
-	}
-
-	fn on_response_writable(&mut self, encoder: &mut Encoder<HttpStream>) -> Next {
-		match self.status {
-			FetchState::Done(_, ref mut handler) => handler.on_response_writable(encoder),
-			FetchState::Streaming(ref mut handler) => handler.on_response_writable(encoder),
-			FetchState::Error(ref mut handler) => handler.on_response_writable(encoder),
-			_ => Next::end(),
-		}
-	}
-}

dapps/src/handlers/mod.rs

@@ -1,155 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-//! Hyper handlers implementations.
-
-mod async;
-mod content;
-mod echo;
-mod fetch;
-mod redirect;
-mod streaming;
-
-pub use self::async::AsyncHandler;
-pub use self::content::ContentHandler;
-pub use self::echo::EchoHandler;
-pub use self::fetch::{ContentFetcherHandler, ContentValidator, FetchControl, ValidatorResponse};
-pub use self::redirect::Redirection;
-pub use self::streaming::StreamingHandler;
-
-use std::iter;
-use util::Itertools;
-
-use url::Url;
-use hyper::{server, header, net, uri};
-use {apps, address, Embeddable};
-
-/// Adds security-related headers to the Response.
-pub fn add_security_headers(headers: &mut header::Headers, embeddable_on: Embeddable) {
-	headers.set_raw("X-XSS-Protection", vec![b"1; mode=block".to_vec()]);
-	headers.set_raw("X-Content-Type-Options", vec![b"nosniff".to_vec()]);
-
-	// Embedding header:
-	if let None = embeddable_on {
-		headers.set_raw("X-Frame-Options",  vec![b"SAMEORIGIN".to_vec()]);
-	}
-
-	// Content Security Policy headers
-	headers.set_raw("Content-Security-Policy", vec![
-		// Allow connecting to WS servers and HTTP(S) servers.
-		// We could be more restrictive and allow only RPC server URL.
-		b"connect-src http: https: ws: wss:;".to_vec(),
-		// Allow framing any content from HTTP(S).
-		// Again we could only allow embedding from RPC server URL.
-		// (deprecated)
-		b"frame-src 'self' http: https:;".to_vec(),
-		// Allow framing and web workers from HTTP(S).
-		b"child-src 'self' http: https:;".to_vec(),
-		// We allow data: blob: and HTTP(s) images.
-		// We could get rid of wildcarding HTTP and only allow RPC server URL.
-		// (http required for local dapps icons)
-		b"img-src 'self' 'unsafe-inline' data: blob: http: https:;".to_vec(),
-		// Allow style from data: blob: and HTTPS.
-		b"style-src 'self' 'unsafe-inline' data: blob: https:;".to_vec(),
-		// Allow fonts from data: and HTTPS.
-		b"font-src 'self' data: https:;".to_vec(),
-		// Allow inline scripts and scripts eval (webpack/jsconsole)
-		{
-			let script_src = embeddable_on.as_ref()
-				.map(|e| e.extra_script_src.iter()
-					 .map(|&(ref host, port)| address(host, port))
-					 .join(" ")
-				).unwrap_or_default();
-			format!(
-				"script-src 'self' 'unsafe-inline' 'unsafe-eval' {};",
-				script_src
-			).into_bytes()
-		},
-		// Same restrictions as script-src with additional
-		// blob: that is required for camera access (worker)
-		b"worker-src 'self' 'unsafe-inline' 'unsafe-eval' https: blob:;".to_vec(),
-		// Restrict everything else to the same origin.
-		b"default-src 'self';".to_vec(),
-		// Run in sandbox mode (although it's not fully safe since we allow same-origin and script)
-		b"sandbox allow-same-origin allow-forms allow-modals allow-popups allow-presentation allow-scripts;".to_vec(),
-		// Disallow subitting forms from any dapps
-		b"form-action 'none';".to_vec(),
-		// Never allow mixed content
-		b"block-all-mixed-content;".to_vec(),
-		// Specify if the site can be embedded.
-		match embeddable_on {
-			Some(ref embed) => {
-				let std = address(&embed.host, embed.port);
-				let proxy = format!("{}.{}", apps::HOME_PAGE, embed.dapps_domain);
-				let domain = format!("*.{}:{}", embed.dapps_domain, embed.port);
-
-				let mut ancestors = vec![std, domain, proxy]
-					.into_iter()
-					.chain(embed.extra_embed_on
-						.iter()
-						.map(|&(ref host, port)| address(host, port))
-					);
-
-				let ancestors = if embed.host == "127.0.0.1" {
-					let localhost = address("localhost", embed.port);
-					ancestors.chain(iter::once(localhost)).join(" ")
-				} else {
-					ancestors.join(" ")
-				};
-
-				format!("frame-ancestors {};", ancestors)
-			},
-			None => format!("frame-ancestors 'self';"),
-		}.into_bytes(),
-	]);
-}
-
-
-/// Extracts URL part from the Request.
-pub fn extract_url(req: &server::Request<net::HttpStream>) -> Option<Url> {
-	convert_uri_to_url(req.uri(), req.headers().get::<header::Host>())
-}
-
-/// Extracts URL given URI and Host header.
-pub fn convert_uri_to_url(uri: &uri::RequestUri, host: Option<&header::Host>) -> Option<Url> {
-	match *uri {
-		uri::RequestUri::AbsoluteUri(ref url) => {
-			match Url::from_generic_url(url.clone()) {
-				Ok(url) => Some(url),
-				_ => None,
-			}
-		},
-		uri::RequestUri::AbsolutePath { ref path, ref query } => {
-			let query = match *query {
-				Some(ref query) => format!("?{}", query),
-				None => "".into(),
-			};
-			// Attempt to prepend the Host header (mandatory in HTTP/1.1)
-			let url_string = match host {
-				Some(ref host) => {
-					format!("http://{}:{}{}{}", host.hostname, host.port.unwrap_or(80), path, query)
-				},
-				None => return None,
-			};
-
-			match Url::parse(&url_string) {
-				Ok(url) => Some(url),
-				_ => None,
-			}
-		},
-		_ => None,
-	}
-}

dapps/src/handlers/redirect.rs

@@ -1,61 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-//! HTTP Redirection hyper handler
-
-use hyper::{header, server, Decoder, Encoder, Next};
-use hyper::net::HttpStream;
-use hyper::status::StatusCode;
-
-#[derive(Clone)]
-pub struct Redirection {
-	to_url: String
-}
-
-impl Redirection {
-	pub fn new(url: &str) -> Self {
-		Redirection {
-			to_url: url.to_owned()
-		}
-	}
-
-	pub fn boxed(url: &str) -> Box<Self> {
-		Box::new(Self::new(url))
-	}
-}
-
-impl server::Handler<HttpStream> for Redirection {
-	fn on_request(&mut self, _request: server::Request<HttpStream>) -> Next {
-		Next::write()
-	}
-
-	fn on_request_readable(&mut self, _decoder: &mut Decoder<HttpStream>) -> Next {
-		Next::write()
-	}
-
-	fn on_response(&mut self, res: &mut server::Response) -> Next {
-		// Don't use `MovedPermanently` here to prevent browser from caching the redirections.
-		res.set_status(StatusCode::Found);
-		res.headers_mut().set(header::Location(self.to_url.to_owned()));
-		Next::write()
-	}
-	fn on_response_writable(&mut self, _encoder: &mut Encoder<HttpStream>) -> Next {
-		Next::end()
-	}
-}
-
-
-

dapps/src/handlers/streaming.rs

@@ -1,102 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-//! Content Stream Response
-
-use std::io::{self, Read};
-
-use hyper::{header, server, Decoder, Encoder, Next};
-use hyper::net::HttpStream;
-use hyper::mime::Mime;
-use hyper::status::StatusCode;
-
-use handlers::add_security_headers;
-use Embeddable;
-
-const BUFFER_SIZE: usize = 1024;
-
-pub struct StreamingHandler<R: io::Read> {
-	buffer: [u8; BUFFER_SIZE],
-	buffer_leftover: usize,
-	status: StatusCode,
-	content: io::BufReader<R>,
-	mimetype: Mime,
-	safe_to_embed_on: Embeddable,
-}
-
-impl<R: io::Read> StreamingHandler<R> {
-	pub fn new(content: R, status: StatusCode, mimetype: Mime, embeddable_on: Embeddable) -> Self {
-		StreamingHandler {
-			buffer: [0; BUFFER_SIZE],
-			buffer_leftover: 0,
-			status: status,
-			content: io::BufReader::new(content),
-			mimetype: mimetype,
-			safe_to_embed_on: embeddable_on,
-		}
-	}
-
-	pub fn set_initial_content(&mut self, content: &str) {
-		assert_eq!(self.buffer_leftover, 0);
-		let bytes = content.as_bytes();
-		self.buffer_leftover = bytes.len();
-		self.buffer[0..self.buffer_leftover].copy_from_slice(bytes);
-	}
-}
-
-impl<R: io::Read> server::Handler<HttpStream> for StreamingHandler<R> {
-	fn on_request(&mut self, _request: server::Request<HttpStream>) -> Next {
-		Next::write()
-	}
-
-	fn on_request_readable(&mut self, _decoder: &mut Decoder<HttpStream>) -> Next {
-		Next::write()
-	}
-
-	fn on_response(&mut self, res: &mut server::Response) -> Next {
-		res.set_status(self.status);
-		res.headers_mut().set(header::ContentType(self.mimetype.clone()));
-		add_security_headers(&mut res.headers_mut(), self.safe_to_embed_on.take());
-		Next::write()
-	}
-
-	fn on_response_writable(&mut self, encoder: &mut Encoder<HttpStream>) -> Next {
-		fn handle_error(e: io::Error) -> Next {
-			match e.kind() {
-				::std::io::ErrorKind::WouldBlock => Next::write(),
-				_ => Next::end(),
-			}
-		}
-
-		let write_pos = self.buffer_leftover;
-		match self.content.read(&mut self.buffer[write_pos..]) {
-			Err(e) => handle_error(e),
-			Ok(read) => match encoder.write(&self.buffer[..write_pos + read]) {
-				Err(e) => handle_error(e),
-				Ok(0) => Next::end(),
-				Ok(wrote) => {
-					self.buffer_leftover = write_pos + read - wrote;
-					if self.buffer_leftover > 0 {
-						for i in self.buffer_leftover..write_pos + read {
-							self.buffer.swap(i, i - self.buffer_leftover);
-						}
-					}
-					Next::write()
-				},
-			},
-		}
-	}
-}

dapps/src/lib.rs

@@ -1,283 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-//! Ethcore Webapplications for Parity
-#![warn(missing_docs)]
-#![cfg_attr(feature="nightly", feature(plugin))]
-#![cfg_attr(feature="nightly", plugin(clippy))]
-
-extern crate base32;
-extern crate futures;
-extern crate linked_hash_map;
-extern crate mime_guess;
-extern crate rand;
-extern crate rustc_hex;
-extern crate serde;
-extern crate serde_json;
-extern crate time;
-extern crate unicase;
-extern crate url as url_lib;
-extern crate zip;
-
-extern crate jsonrpc_core;
-extern crate jsonrpc_http_server;
-
-extern crate ethcore_util as util;
-extern crate fetch;
-extern crate node_health;
-extern crate parity_dapps_glue as parity_dapps;
-extern crate parity_hash_fetch as hash_fetch;
-extern crate parity_reactor;
-extern crate parity_ui;
-
-#[macro_use]
-extern crate log;
-#[macro_use]
-extern crate mime;
-#[macro_use]
-extern crate serde_derive;
-
-#[cfg(test)]
-extern crate ethcore_devtools as devtools;
-#[cfg(test)]
-extern crate env_logger;
-
-mod endpoint;
-mod apps;
-mod page;
-mod router;
-mod handlers;
-mod api;
-mod proxypac;
-mod url;
-mod web;
-#[cfg(test)]
-mod tests;
-
-use std::path::PathBuf;
-use std::sync::Arc;
-use std::collections::HashMap;
-
-use jsonrpc_http_server::{self as http, hyper, Origin};
-
-use fetch::Fetch;
-use node_health::NodeHealth;
-use parity_reactor::Remote;
-
-pub use hash_fetch::urlhint::ContractClient;
-pub use node_health::SyncStatus;
-
-
-/// Validates Web Proxy tokens
-pub trait WebProxyTokens: Send + Sync {
-	/// Should return a domain allowed to be accessed by this token or `None` if the token is not valid
-	fn domain(&self, token: &str) -> Option<Origin>;
-}
-
-impl<F> WebProxyTokens for F where F: Fn(String) -> Option<Origin> + Send + Sync {
-	fn domain(&self, token: &str) -> Option<Origin> { self(token.to_owned()) }
-}
-
-/// Current supported endpoints.
-pub struct Endpoints {
-	endpoints: endpoint::Endpoints,
-}
-
-impl Endpoints {
-	/// Returns a current list of app endpoints.
-	pub fn list(&self) -> Vec<apps::App> {
-		self.endpoints.iter().filter_map(|(ref k, ref e)| {
-			e.info().map(|ref info| apps::App::from_info(k, info))
-		}).collect()
-	}
-}
-
-/// Dapps server as `jsonrpc-http-server` request middleware.
-pub struct Middleware {
-	router: router::Router,
-	endpoints: endpoint::Endpoints,
-}
-
-impl Middleware {
-	/// Get local endpoints handle.
-	pub fn endpoints(&self) -> Endpoints {
-		Endpoints {
-			endpoints: self.endpoints.clone(),
-		}
-	}
-
-	/// Creates new middleware for UI server.
-	pub fn ui<F: Fetch>(
-		health: NodeHealth,
-		remote: Remote,
-		dapps_domain: &str,
-		registrar: Arc<ContractClient>,
-		sync_status: Arc<SyncStatus>,
-		fetch: F,
-	) -> Self {
-		let content_fetcher = Arc::new(apps::fetcher::ContentFetcher::new(
-			hash_fetch::urlhint::URLHintContract::new(registrar),
-			sync_status.clone(),
-			remote.clone(),
-			fetch.clone(),
-		).embeddable_on(None).allow_dapps(false));
-		let special = {
-			let mut special = special_endpoints(
-				health,
-				content_fetcher.clone(),
-				remote.clone(),
-			);
-			special.insert(router::SpecialEndpoint::Home, Some(apps::ui()));
-			special
-		};
-		let router = router::Router::new(
-			content_fetcher,
-			None,
-			special,
-			None,
-			dapps_domain.to_owned(),
-		);
-
-		Middleware {
-			router: router,
-			endpoints: Default::default(),
-		}
-	}
-
-	/// Creates new Dapps server middleware.
-	pub fn dapps<F: Fetch>(
-		health: NodeHealth,
-		remote: Remote,
-		ui_address: Option<(String, u16)>,
-		extra_embed_on: Vec<(String, u16)>,
-		extra_script_src: Vec<(String, u16)>,
-		dapps_path: PathBuf,
-		extra_dapps: Vec<PathBuf>,
-		dapps_domain: &str,
-		registrar: Arc<ContractClient>,
-		sync_status: Arc<SyncStatus>,
-		web_proxy_tokens: Arc<WebProxyTokens>,
-		fetch: F,
-	) -> Self {
-		let embeddable = as_embeddable(ui_address, extra_embed_on, extra_script_src, dapps_domain);
-		let content_fetcher = Arc::new(apps::fetcher::ContentFetcher::new(
-			hash_fetch::urlhint::URLHintContract::new(registrar),
-			sync_status.clone(),
-			remote.clone(),
-			fetch.clone(),
-		).embeddable_on(embeddable.clone()).allow_dapps(true));
-		let endpoints = apps::all_endpoints(
-			dapps_path,
-			extra_dapps,
-			dapps_domain,
-			embeddable.clone(),
-			web_proxy_tokens,
-			remote.clone(),
-			fetch.clone(),
-		);
-
-		let special = {
-			let mut special = special_endpoints(
-				health,
-				content_fetcher.clone(),
-				remote.clone(),
-			);
-			special.insert(
-				router::SpecialEndpoint::Home,
-				Some(apps::ui_redirection(embeddable.clone())),
-			);
-			special
-		};
-
-		let router = router::Router::new(
-			content_fetcher,
-			Some(endpoints.clone()),
-			special,
-			embeddable,
-			dapps_domain.to_owned(),
-		);
-
-		Middleware {
-			router: router,
-			endpoints: endpoints,
-		}
-	}
-}
-
-impl http::RequestMiddleware for Middleware {
-	fn on_request(&self, req: &hyper::server::Request<hyper::net::HttpStream>, control: &hyper::Control) -> http::RequestMiddlewareAction {
-		self.router.on_request(req, control)
-	}
-}
-
-fn special_endpoints(
-	health: NodeHealth,
-	content_fetcher: Arc<apps::fetcher::Fetcher>,
-	remote: Remote,
-) -> HashMap<router::SpecialEndpoint, Option<Box<endpoint::Endpoint>>> {
-	let mut special = HashMap::new();
-	special.insert(router::SpecialEndpoint::Rpc, None);
-	special.insert(router::SpecialEndpoint::Utils, Some(apps::utils()));
-	special.insert(router::SpecialEndpoint::Api, Some(api::RestApi::new(
-		content_fetcher,
-		health,
-		remote,
-	)));
-	special
-}
-
-fn address(host: &str, port: u16) -> String {
-	format!("{}:{}", host, port)
-}
-
-fn as_embeddable(
-	ui_address: Option<(String, u16)>,
-	extra_embed_on: Vec<(String, u16)>,
-	extra_script_src: Vec<(String, u16)>,
-	dapps_domain: &str,
-) -> Option<ParentFrameSettings> {
-	ui_address.map(|(host, port)| ParentFrameSettings {
-		host,
-		port,
-		extra_embed_on,
-		extra_script_src,
-		dapps_domain: dapps_domain.to_owned(),
-	})
-}
-
-/// Random filename
-fn random_filename() -> String {
-	use ::rand::Rng;
-	let mut rng = ::rand::OsRng::new().unwrap();
-	rng.gen_ascii_chars().take(12).collect()
-}
-
-type Embeddable = Option<ParentFrameSettings>;
-
-/// Parent frame host and port allowed to embed the content.
-#[derive(Debug, Clone)]
-pub struct ParentFrameSettings {
-	/// Hostname
-	pub host: String,
-	/// Port
-	pub port: u16,
-	/// Additional URLs the dapps can be embedded on.
-	pub extra_embed_on: Vec<(String, u16)>,
-	/// Additional URLs the dapp scripts can be loaded from.
-	pub extra_script_src: Vec<(String, u16)>,
-	/// Dapps Domain (web3.site)
-	pub dapps_domain: String,
-}

dapps/src/page/builtin.rs

@@ -1,181 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-use page::{handler, PageCache};
-use std::sync::Arc;
-use endpoint::{Endpoint, EndpointInfo, EndpointPath, Handler};
-use parity_dapps::{WebApp, File, Info};
-use Embeddable;
-
-pub struct PageEndpoint<T : WebApp + 'static> {
-	/// Content of the files
-	pub app: Arc<T>,
-	/// Prefix to strip from the path (when `None` deducted from `app_id`)
-	pub prefix: Option<String>,
-	/// Safe to be loaded in frame by other origin. (use wisely!)
-	safe_to_embed_on: Embeddable,
-	info: EndpointInfo,
-	fallback_to_index_html: bool,
-}
-
-impl<T: WebApp + 'static> PageEndpoint<T> {
-	/// Creates new `PageEndpoint` for builtin (compile time) Dapp.
-	pub fn new(app: T) -> Self {
-		let info = app.info();
-		PageEndpoint {
-			app: Arc::new(app),
-			prefix: None,
-			safe_to_embed_on: None,
-			info: EndpointInfo::from(info),
-			fallback_to_index_html: false,
-		}
-	}
-
-	/// Creates a new `PageEndpoint` for builtin (compile time) Dapp.
-	/// Instead of returning 404 this endpoint will always server index.html.
-	pub fn with_fallback_to_index(app: T) -> Self {
-		let info = app.info();
-		PageEndpoint {
-			app: Arc::new(app),
-			prefix: None,
-			safe_to_embed_on: None,
-			info: EndpointInfo::from(info),
-			fallback_to_index_html: true,
-		}
-	}
-
-	/// Create new `PageEndpoint` and specify prefix that should be removed before looking for a file.
-	/// It's used only for special endpoints (i.e. `/parity-utils/`)
-	/// So `/parity-utils/inject.js` will be resolved to `/inject.js` is prefix is set.
-	pub fn with_prefix(app: T, prefix: String) -> Self {
-		let info = app.info();
-		PageEndpoint {
-			app: Arc::new(app),
-			prefix: Some(prefix),
-			safe_to_embed_on: None,
-			info: EndpointInfo::from(info),
-			fallback_to_index_html: false,
-		}
-	}
-
-	/// Creates new `PageEndpoint` which can be safely used in iframe
-	/// even from different origin. It might be dangerous (clickjacking).
-	/// Use wisely!
-	pub fn new_safe_to_embed(app: T, address: Embeddable) -> Self {
-		let info = app.info();
-		PageEndpoint {
-			app: Arc::new(app),
-			prefix: None,
-			safe_to_embed_on: address,
-			info: EndpointInfo::from(info),
-			fallback_to_index_html: false,
-		}
-	}
-}
-
-impl<T: WebApp> Endpoint for PageEndpoint<T> {
-
-	fn info(&self) -> Option<&EndpointInfo> {
-		Some(&self.info)
-	}
-
-	fn to_handler(&self, path: EndpointPath) -> Box<Handler> {
-		Box::new(handler::PageHandler {
-			app: BuiltinDapp::new(self.app.clone(), self.fallback_to_index_html),
-			prefix: self.prefix.clone(),
-			path: path,
-			file: handler::ServedFile::new(self.safe_to_embed_on.clone()),
-			cache: PageCache::Disabled,
-			safe_to_embed_on: self.safe_to_embed_on.clone(),
-		})
-	}
-}
-
-impl From<Info> for EndpointInfo {
-	fn from(info: Info) -> Self {
-		EndpointInfo {
-			name: info.name.into(),
-			description: info.description.into(),
-			author: info.author.into(),
-			icon_url: info.icon_url.into(),
-			version: info.version.into(),
-		}
-	}
-}
-
-struct BuiltinDapp<T: WebApp + 'static> {
-	app: Arc<T>,
-	fallback_to_index_html: bool,
-}
-
-impl<T: WebApp + 'static> BuiltinDapp<T> {
-	fn new(app: Arc<T>, fallback_to_index_html: bool) -> Self {
-		BuiltinDapp {
-			app: app,
-			fallback_to_index_html: fallback_to_index_html,
-		}
-	}
-}
-
-impl<T: WebApp + 'static> handler::Dapp for BuiltinDapp<T> {
-	type DappFile = BuiltinDappFile<T>;
-
-	fn file(&self, path: &str) -> Option<Self::DappFile> {
-		let file = |path| self.app.file(path).map(|_| {
-			BuiltinDappFile {
-				app: self.app.clone(),
-				path: path.into(),
-				write_pos: 0,
-			}
-		});
-		let res = file(path);
-		if self.fallback_to_index_html {
-			res.or_else(|| file("index.html"))
-		} else {
-			res
-		}
-	}
-}
-
-struct BuiltinDappFile<T: WebApp + 'static> {
-	app: Arc<T>,
-	path: String,
-	write_pos: usize,
-}
-
-impl<T: WebApp + 'static> BuiltinDappFile<T> {
-	fn file(&self) -> &File {
-		self.app.file(&self.path).expect("Check is done when structure is created.")
-	}
-}
-
-impl<T: WebApp + 'static> handler::DappFile for BuiltinDappFile<T> {
-	fn content_type(&self) -> &str {
-		self.file().content_type
-	}
-
-	fn is_drained(&self) -> bool {
-		self.write_pos == self.file().content.len()
-	}
-
-	fn next_chunk(&mut self) -> &[u8] {
-		&self.file().content[self.write_pos..]
-	}
-
-	fn bytes_written(&mut self, bytes: usize) {
-		self.write_pos += bytes;
-	}
-}

dapps/src/page/handler.rs

@@ -1,277 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-use time::{self, Duration};
-
-use hyper::header;
-use hyper::server;
-use hyper::uri::RequestUri;
-use hyper::net::HttpStream;
-use hyper::status::StatusCode;
-use hyper::{Decoder, Encoder, Next};
-use endpoint::EndpointPath;
-use handlers::{ContentHandler, add_security_headers};
-use {Embeddable};
-
-/// Represents a file that can be sent to client.
-/// Implementation should keep track of bytes already sent internally.
-pub trait DappFile: Send {
-	/// Returns a content-type of this file.
-	fn content_type(&self) -> &str;
-
-	/// Checks if all bytes from that file were written.
-	fn is_drained(&self) -> bool;
-
-	/// Fetch next chunk to write to the client.
-	fn next_chunk(&mut self) -> &[u8];
-
-	/// How many files have been written to the client.
-	fn bytes_written(&mut self, bytes: usize);
-}
-
-/// Dapp as a (dynamic) set of files.
-pub trait Dapp: Send + 'static {
-	/// File type
-	type DappFile: DappFile;
-
-	/// Returns file under given path.
-	fn file(&self, path: &str) -> Option<Self::DappFile>;
-}
-
-/// Currently served by `PageHandler` file
-pub enum ServedFile<T: Dapp> {
-	/// File from dapp
-	File(T::DappFile),
-	/// Error (404)
-	Error(ContentHandler),
-}
-
-impl<T: Dapp> ServedFile<T> {
-	pub fn new(embeddable_on: Embeddable) -> Self {
-		ServedFile::Error(ContentHandler::error(
-			StatusCode::NotFound,
-			"404 Not Found",
-			"Requested dapp resource was not found.",
-			None,
-			embeddable_on,
-		))
-	}
-}
-
-/// Defines what cache headers should be appended to returned resources.
-#[derive(Debug, Copy, Clone, PartialEq)]
-pub enum PageCache {
-	Enabled,
-	Disabled,
-}
-
-impl Default for PageCache {
-	fn default() -> Self {
-		PageCache::Disabled
-	}
-}
-
-/// A generic type for `PageHandler` allowing to set the URL.
-/// Used by dapps fetching to set the URL after the content was downloaded.
-pub trait PageHandlerWaiting: server::Handler<HttpStream> + Send {
-	fn set_uri(&mut self, uri: &RequestUri);
-}
-
-/// A handler for a single webapp.
-/// Resolves correct paths and serves as a plumbing code between
-/// hyper server and dapp.
-pub struct PageHandler<T: Dapp> {
-	/// A Dapp.
-	pub app: T,
-	/// File currently being served
-	pub file: ServedFile<T>,
-	/// Optional prefix to strip from path.
-	pub prefix: Option<String>,
-	/// Requested path.
-	pub path: EndpointPath,
-	/// Flag indicating if the file can be safely embeded (put in iframe).
-	pub safe_to_embed_on: Embeddable,
-	/// Cache settings for this page.
-	pub cache: PageCache,
-}
-
-impl<T: Dapp> PageHandlerWaiting for PageHandler<T> {
-	fn set_uri(&mut self, uri: &RequestUri) {
-		trace!(target: "dapps", "Setting URI: {:?}", uri);
-		self.file = match *uri {
-			RequestUri::AbsolutePath { ref path, .. } => {
-				self.app.file(&self.extract_path(path))
-			},
-			RequestUri::AbsoluteUri(ref url) => {
-				self.app.file(&self.extract_path(url.path()))
-			},
-			_ => None,
-		}.map_or_else(|| ServedFile::new(self.safe_to_embed_on.clone()), |f| ServedFile::File(f));
-	}
-}
-
-impl<T: Dapp> PageHandler<T> {
-	fn extract_path(&self, path: &str) -> String {
-		let app_id = &self.path.app_id;
-		let prefix = "/".to_owned() + self.prefix.as_ref().unwrap_or(app_id);
-		let prefix_with_slash = prefix.clone() + "/";
-		let query_pos = path.find('?').unwrap_or_else(|| path.len());
-
-		// Index file support
-		match path == "/" || path == &prefix || path == &prefix_with_slash {
-			true => "index.html".to_owned(),
-			false => if path.starts_with(&prefix_with_slash) {
-				path[prefix_with_slash.len()..query_pos].to_owned()
-			} else if path.starts_with("/") {
-				path[1..query_pos].to_owned()
-			} else {
-				path[0..query_pos].to_owned()
-			}
-		}
-	}
-}
-
-impl<T: Dapp> server::Handler<HttpStream> for PageHandler<T> {
-	fn on_request(&mut self, req: server::Request<HttpStream>) -> Next {
-		self.set_uri(req.uri());
-		Next::write()
-	}
-
-	fn on_request_readable(&mut self, _decoder: &mut Decoder<HttpStream>) -> Next {
-		Next::write()
-	}
-
-	fn on_response(&mut self, res: &mut server::Response) -> Next {
-		match self.file {
-			ServedFile::File(ref f) => {
-				res.set_status(StatusCode::Ok);
-
-				if let PageCache::Enabled = self.cache {
-					let mut headers = res.headers_mut();
-					let validity = Duration::days(365);
-					headers.set(header::CacheControl(vec![
-						header::CacheDirective::Public,
-						header::CacheDirective::MaxAge(validity.num_seconds() as u32),
-					]));
-					headers.set(header::Expires(header::HttpDate(time::now() + validity)));
-				}
-
-				match f.content_type().parse() {
-					Ok(mime) => res.headers_mut().set(header::ContentType(mime)),
-					Err(()) => debug!(target: "dapps", "invalid MIME type: {}", f.content_type()),
-				}
-
-				// Security headers:
-				add_security_headers(&mut res.headers_mut(), self.safe_to_embed_on.take());
-				Next::write()
-			},
-			ServedFile::Error(ref mut handler) => {
-				handler.on_response(res)
-			}
-		}
-	}
-
-	fn on_response_writable(&mut self, encoder: &mut Encoder<HttpStream>) -> Next {
-		match self.file {
-			ServedFile::Error(ref mut handler) => handler.on_response_writable(encoder),
-			ServedFile::File(ref f) if f.is_drained() => Next::end(),
-			ServedFile::File(ref mut f) => match encoder.write(f.next_chunk()) {
-				Ok(bytes) => {
-					f.bytes_written(bytes);
-					Next::write()
-				},
-				Err(e) => match e.kind() {
-					::std::io::ErrorKind::WouldBlock => Next::write(),
-					_ => Next::end(),
-				},
-			}
-		}
-	}
-}
-
-
-
-#[cfg(test)]
-mod test {
-	use super::*;
-
-	pub struct TestWebAppFile;
-
-	impl DappFile for TestWebAppFile {
-		fn content_type(&self) -> &str {
-			unimplemented!()
-		}
-
-		fn is_drained(&self) -> bool {
-			unimplemented!()
-		}
-
-		fn next_chunk(&mut self) -> &[u8] {
-			unimplemented!()
-		}
-
-		fn bytes_written(&mut self, _bytes: usize) {
-			unimplemented!()
-		}
-	}
-
-	#[derive(Default)]
-	pub struct TestWebapp;
-
-	impl Dapp for TestWebapp {
-		type DappFile = TestWebAppFile;
-
-		fn file(&self, _path: &str) -> Option<Self::DappFile> {
-			None
-		}
-	}
-}
-
-#[test]
-fn should_extract_path_with_appid() {
-
-	// given
-	let path1 = "/";
-	let path2= "/test.css";
-	let path3 = "/app/myfile.txt";
-	let path4 = "/app/myfile.txt?query=123";
-	let page_handler = PageHandler {
-		app: test::TestWebapp,
-		prefix: None,
-		path: EndpointPath {
-			app_id: "app".to_owned(),
-			app_params: vec![],
-			host: "".to_owned(),
-			port: 8080,
-			using_dapps_domains: true,
-		},
-		file: ServedFile::new(None),
-		cache: Default::default(),
-		safe_to_embed_on: None,
-	};
-
-	// when
-	let res1 = page_handler.extract_path(path1);
-	let res2 = page_handler.extract_path(path2);
-	let res3 = page_handler.extract_path(path3);
-	let res4 = page_handler.extract_path(path4);
-
-	// then
-	assert_eq!(&res1, "index.html");
-	assert_eq!(&res2, "test.css");
-	assert_eq!(&res3, "myfile.txt");
-	assert_eq!(&res4, "myfile.txt");
-}

dapps/src/page/local.rs

@@ -1,181 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-use mime_guess;
-use std::io::{Seek, Read, SeekFrom};
-use std::fs;
-use std::path::{Path, PathBuf};
-use page::handler::{self, PageCache, PageHandlerWaiting};
-use endpoint::{Endpoint, EndpointInfo, EndpointPath, Handler};
-use mime::Mime;
-use Embeddable;
-
-#[derive(Debug, Clone)]
-pub struct LocalPageEndpoint {
-	path: PathBuf,
-	mime: Option<Mime>,
-	info: Option<EndpointInfo>,
-	cache: PageCache,
-	embeddable_on: Embeddable,
-}
-
-impl LocalPageEndpoint {
-	pub fn new(path: PathBuf, info: EndpointInfo, cache: PageCache, embeddable_on: Embeddable) -> Self {
-		LocalPageEndpoint {
-			path: path,
-			mime: None,
-			info: Some(info),
-			cache: cache,
-			embeddable_on: embeddable_on,
-		}
-	}
-
-	pub fn single_file(path: PathBuf, mime: Mime, cache: PageCache) -> Self {
-		LocalPageEndpoint {
-			path: path,
-			mime: Some(mime),
-			info: None,
-			cache: cache,
-			embeddable_on: None,
-		}
-	}
-
-	pub fn path(&self) -> PathBuf {
-		self.path.clone()
-	}
-
-	fn page_handler_with_mime(&self, path: EndpointPath, mime: &Mime) -> handler::PageHandler<LocalSingleFile> {
-		handler::PageHandler {
-			app: LocalSingleFile { path: self.path.clone(), mime: format!("{}", mime) },
-			prefix: None,
-			path: path,
-			file: handler::ServedFile::new(None),
-			safe_to_embed_on: self.embeddable_on.clone(),
-			cache: self.cache,
-		}
-	}
-
-	fn page_handler(&self, path: EndpointPath) -> handler::PageHandler<LocalDapp> {
-		handler::PageHandler {
-			app: LocalDapp { path: self.path.clone() },
-			prefix: None,
-			path: path,
-			file: handler::ServedFile::new(None),
-			safe_to_embed_on: self.embeddable_on.clone(),
-			cache: self.cache,
-		}
-	}
-
-	pub fn to_page_handler(&self, path: EndpointPath) -> Box<PageHandlerWaiting> {
-		if let Some(ref mime) = self.mime {
-			Box::new(self.page_handler_with_mime(path, mime))
-		} else {
-			Box::new(self.page_handler(path))
-		}
-	}
-}
-
-impl Endpoint for LocalPageEndpoint {
-	fn info(&self) -> Option<&EndpointInfo> {
-		self.info.as_ref()
-	}
-
-	fn to_handler(&self, path: EndpointPath) -> Box<Handler> {
-		if let Some(ref mime) = self.mime {
-			Box::new(self.page_handler_with_mime(path, mime))
-		} else {
-			Box::new(self.page_handler(path))
-		}
-	}
-}
-
-struct LocalSingleFile {
-	path: PathBuf,
-	mime: String,
-}
-
-impl handler::Dapp for LocalSingleFile {
-	type DappFile = LocalFile;
-
-	fn file(&self, _path: &str) -> Option<Self::DappFile> {
-		LocalFile::from_path(&self.path, Some(&self.mime))
-	}
-}
-
-struct LocalDapp {
-	path: PathBuf,
-}
-
-impl handler::Dapp for LocalDapp {
-	type DappFile = LocalFile;
-
-	fn file(&self, file_path: &str) -> Option<Self::DappFile> {
-		let mut path = self.path.clone();
-		for part in file_path.split('/') {
-			path.push(part);
-		}
-		LocalFile::from_path(&path, None)
-	}
-}
-
-struct LocalFile {
-	content_type: String,
-	buffer: [u8; 4096],
-	file: fs::File,
-	len: u64,
-	pos: u64,
-}
-
-impl LocalFile {
-	fn from_path<P: AsRef<Path>>(path: P, mime: Option<&str>) -> Option<Self> {
-		// Check if file exists
-		fs::File::open(&path).ok().map(|file| {
-			let content_type = mime.map(|mime| mime.to_owned())
-				.unwrap_or_else(|| mime_guess::guess_mime_type(path).to_string());
-			let len = file.metadata().ok().map_or(0, |meta| meta.len());
-			LocalFile {
-				content_type: content_type,
-				buffer: [0; 4096],
-				file: file,
-				pos: 0,
-				len: len,
-			}
-		})
-	}
-}
-
-impl handler::DappFile for LocalFile {
-	fn content_type(&self) -> &str {
-		&self.content_type
-	}
-
-	fn is_drained(&self) -> bool {
-		self.pos == self.len
-	}
-
-	fn next_chunk(&mut self) -> &[u8] {
-		let _ = self.file.seek(SeekFrom::Start(self.pos));
-		if let Ok(n) = self.file.read(&mut self.buffer) {
-			&self.buffer[0..n]
-		} else {
-			&self.buffer[0..0]
-		}
-	}
-
-	fn bytes_written(&mut self, bytes: usize) {
-		self.pos += bytes as u64;
-	}
-}

dapps/src/page/mod.rs

@@ -1,25 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-
-mod builtin;
-mod local;
-mod handler;
-
-pub use self::local::LocalPageEndpoint;
-pub use self::builtin::PageEndpoint;
-pub use self::handler::{PageCache, PageHandlerWaiting};
-

dapps/src/proxypac.rs

@@ -1,64 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-//! Serving ProxyPac file
-
-use endpoint::{Endpoint, Handler, EndpointPath};
-use handlers::ContentHandler;
-use apps::HOME_PAGE;
-use {address, Embeddable};
-
-pub struct ProxyPac {
-	embeddable: Embeddable,
-	dapps_domain: String,
-}
-
-impl ProxyPac {
-	pub fn boxed(embeddable: Embeddable, dapps_domain: String) -> Box<Endpoint> {
-		Box::new(ProxyPac { embeddable, dapps_domain })
-	}
-}
-
-impl Endpoint for ProxyPac {
-	fn to_handler(&self, path: EndpointPath) -> Box<Handler> {
-		let ui = self.embeddable
-			.as_ref()
-			.map(|ref parent| address(&parent.host, parent.port))
-			.unwrap_or_else(|| format!("{}:{}", path.host, path.port));
-
-		let content = format!(
-r#"
-function FindProxyForURL(url, host) {{
-	if (shExpMatch(host, "{0}.{1}"))
-	{{
-		return "PROXY {4}";
-	}}
-
-	if (shExpMatch(host, "*.{1}"))
-	{{
-		return "PROXY {2}:{3}";
-	}}
-
-	return "DIRECT";
-}}
-"#,
-		HOME_PAGE, self.dapps_domain, path.host, path.port, ui);
-
-		Box::new(ContentHandler::ok(content, mime!(Application/Javascript)))
-	}
-}
-
-

dapps/src/router.rs

@@ -1,325 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-//! Router implementation
-//! Dispatch requests to proper application.
-
-use std::cmp;
-use std::sync::Arc;
-use std::collections::HashMap;
-
-use url::{Url, Host};
-use hyper::{self, server, header, Control};
-use hyper::net::HttpStream;
-use jsonrpc_http_server as http;
-
-use apps;
-use apps::fetcher::Fetcher;
-use endpoint::{Endpoint, Endpoints, EndpointPath, Handler};
-use handlers;
-use Embeddable;
-
-/// Special endpoints are accessible on every domain (every dapp)
-#[derive(Debug, PartialEq, Hash, Eq)]
-pub enum SpecialEndpoint {
-	Rpc,
-	Api,
-	Utils,
-	Home,
-	None,
-}
-
-pub struct Router {
-	endpoints: Option<Endpoints>,
-	fetch: Arc<Fetcher>,
-	special: HashMap<SpecialEndpoint, Option<Box<Endpoint>>>,
-	embeddable_on: Embeddable,
-	dapps_domain: String,
-}
-
-impl http::RequestMiddleware for Router {
-	fn on_request(&self, req: &server::Request<HttpStream>, control: &Control) -> http::RequestMiddlewareAction {
-		// Choose proper handler depending on path / domain
-		let url = handlers::extract_url(req);
-		let endpoint = extract_endpoint(&url, &self.dapps_domain);
-		let referer = extract_referer_endpoint(req, &self.dapps_domain);
-		let is_utils = endpoint.1 == SpecialEndpoint::Utils;
-		let is_origin_set = req.headers().get::<header::Origin>().is_some();
-		let is_get_request = *req.method() == hyper::Method::Get;
-		let is_head_request = *req.method() == hyper::Method::Head;
-
-		trace!(target: "dapps", "Routing request to {:?}. Details: {:?}", url, req);
-
-		let control = control.clone();
-		debug!(target: "dapps", "Handling endpoint request: {:?}", endpoint);
-		let handler: Option<Box<Handler>> = match (endpoint.0, endpoint.1, referer) {
-			// Handle invalid web requests that we can recover from
-			(ref path, SpecialEndpoint::None, Some((ref referer, ref referer_url)))
-				if referer.app_id == apps::WEB_PATH
-					&& self.endpoints.as_ref().map(|ep| ep.contains_key(apps::WEB_PATH)).unwrap_or(false)
-					&& !is_web_endpoint(path)
-				=>
-			{
-				trace!(target: "dapps", "Redirecting to correct web request: {:?}", referer_url);
-				let len = cmp::min(referer_url.path.len(), 2); // /web/<encoded>/
-				let base = referer_url.path[..len].join("/");
-				let requested = url.map(|u| u.path.join("/")).unwrap_or_default();
-				Some(handlers::Redirection::boxed(&format!("/{}/{}", base, requested)))
-			},
-			// First check special endpoints
-			(ref path, ref endpoint, _) if self.special.contains_key(endpoint) => {
-				trace!(target: "dapps", "Resolving to special endpoint.");
-				self.special.get(endpoint)
-					.expect("special known to contain key; qed")
-					.as_ref()
-					.map(|special| special.to_async_handler(path.clone().unwrap_or_default(), control))
-			},
-			// Then delegate to dapp
-			(Some(ref path), _, _) if self.endpoints.as_ref().map(|ep| ep.contains_key(&path.app_id)).unwrap_or(false) => {
-				trace!(target: "dapps", "Resolving to local/builtin dapp.");
-				Some(self.endpoints
-					.as_ref()
-					.expect("endpoints known to be set; qed")
-					.get(&path.app_id)
-					.expect("endpoints known to contain key; qed")
-					.to_async_handler(path.clone(), control))
-			},
-			// Try to resolve and fetch the dapp
-			(Some(ref path), _, _) if self.fetch.contains(&path.app_id) => {
-				trace!(target: "dapps", "Resolving to fetchable content.");
-				Some(self.fetch.to_async_handler(path.clone(), control))
-			},
-			// 404 for non-existent content (only if serving endpoints and not homepage)
-			(Some(ref path), _, _)
-				if (is_get_request || is_head_request)
-					&& self.endpoints.is_some()
-					&& path.app_id != apps::HOME_PAGE
-				=>
-			{
-				trace!(target: "dapps", "Resolving to 404.");
-				Some(Box::new(handlers::ContentHandler::error(
-					hyper::StatusCode::NotFound,
-					"404 Not Found",
-					"Requested content was not found.",
-					None,
-					self.embeddable_on.clone(),
-				)))
-			},
-			// Any other GET|HEAD requests to home page.
-			_ if (is_get_request || is_head_request) && self.special.contains_key(&SpecialEndpoint::Home) => {
-				self.special.get(&SpecialEndpoint::Home)
-					.expect("special known to contain key; qed")
-					.as_ref()
-					.map(|special| special.to_async_handler(Default::default(), control))
-			},
-			// RPC by default
-			_ => {
-				trace!(target: "dapps", "Resolving to RPC call.");
-				None
-			}
-		};
-
-		match handler {
-			Some(handler) => http::RequestMiddlewareAction::Respond {
-				should_validate_hosts: !is_utils,
-				handler: handler,
-			},
-			None => http::RequestMiddlewareAction::Proceed {
-				should_continue_on_invalid_cors: !is_origin_set,
-			},
-		}
-	}
-}
-
-impl Router {
-	pub fn new(
-		content_fetcher: Arc<Fetcher>,
-		endpoints: Option<Endpoints>,
-		special: HashMap<SpecialEndpoint, Option<Box<Endpoint>>>,
-		embeddable_on: Embeddable,
-		dapps_domain: String,
-	) -> Self {
-		Router {
-			endpoints: endpoints,
-			fetch: content_fetcher,
-			special: special,
-			embeddable_on: embeddable_on,
-			dapps_domain: format!(".{}", dapps_domain),
-		}
-	}
-}
-
-fn is_web_endpoint(path: &Option<EndpointPath>) -> bool {
-	match *path {
-		Some(ref path) if path.app_id == apps::WEB_PATH => true,
-		_ => false,
-	}
-}
-
-fn extract_referer_endpoint(req: &server::Request<HttpStream>, dapps_domain: &str) -> Option<(EndpointPath, Url)> {
-	let referer = req.headers().get::<header::Referer>();
-
-	let url = referer.and_then(|referer| Url::parse(&referer.0).ok());
-	url.and_then(|url| {
-		let option = Some(url);
-		extract_url_referer_endpoint(&option, dapps_domain).or_else(|| {
-			extract_endpoint(&option, dapps_domain).0.map(|endpoint| (endpoint, option.expect("Just wrapped; qed")))
-		})
-	})
-}
-
-fn extract_url_referer_endpoint(url: &Option<Url>, dapps_domain: &str) -> Option<(EndpointPath, Url)> {
-	let query = url.as_ref().and_then(|url| url.query.as_ref());
-	match (url, query) {
-		(&Some(ref url), Some(ref query)) if query.starts_with(apps::URL_REFERER) => {
-			let referer_url = format!("http://{}:{}/{}", url.host, url.port, &query[apps::URL_REFERER.len()..]);
-			debug!(target: "dapps", "Recovering referer from query parameter: {}", referer_url);
-
-			let referer_url = Url::parse(&referer_url).ok();
-			extract_endpoint(&referer_url, dapps_domain).0.map(|endpoint| {
-				(endpoint, referer_url.expect("Endpoint returned only when url `is_some`").clone())
-			})
-		},
-		_ => None,
-	}
-}
-
-fn extract_endpoint(url: &Option<Url>, dapps_domain: &str) -> (Option<EndpointPath>, SpecialEndpoint) {
-	fn special_endpoint(url: &Url) -> SpecialEndpoint {
-		if url.path.len() <= 1 {
-			return SpecialEndpoint::None;
-		}
-
-		match url.path[0].as_ref() {
-			apps::RPC_PATH => SpecialEndpoint::Rpc,
-			apps::API_PATH => SpecialEndpoint::Api,
-			apps::UTILS_PATH => SpecialEndpoint::Utils,
-			apps::HOME_PAGE => SpecialEndpoint::Home,
-			_ => SpecialEndpoint::None,
-		}
-	}
-
-	match *url {
-		Some(ref url) => match url.host {
-			Host::Domain(ref domain) if domain.ends_with(dapps_domain) => {
-				let id = &domain[0..(domain.len() - dapps_domain.len())];
-				let (id, params) = if let Some(split) = id.rfind('.') {
-					let (params, id) = id.split_at(split);
-					(id[1..].to_owned(), [params.to_owned()].into_iter().chain(&url.path).cloned().collect())
-				} else {
-					(id.to_owned(), url.path.clone())
-				};
-
-				(Some(EndpointPath {
-					app_id: id,
-					app_params: params,
-					host: domain.clone(),
-					port: url.port,
-					using_dapps_domains: true,
-				}), special_endpoint(url))
-			},
-			_ if url.path.len() > 1 => {
-				let id = url.path[0].to_owned();
-				(Some(EndpointPath {
-					app_id: id,
-					app_params: url.path[1..].to_vec(),
-					host: format!("{}", url.host),
-					port: url.port,
-					using_dapps_domains: false,
-				}), special_endpoint(url))
-			},
-			_ => (None, special_endpoint(url)),
-		},
-		_ => (None, SpecialEndpoint::None)
-	}
-}
-
-#[test]
-fn should_extract_endpoint() {
-	let dapps_domain = ".web3.site";
-	assert_eq!(extract_endpoint(&None, dapps_domain), (None, SpecialEndpoint::None));
-
-	// With path prefix
-	assert_eq!(
-		extract_endpoint(&Url::parse("http://localhost:8080/status/index.html").ok(), dapps_domain),
-		(Some(EndpointPath {
-			app_id: "status".to_owned(),
-			app_params: vec!["index.html".to_owned()],
-			host: "localhost".to_owned(),
-			port: 8080,
-			using_dapps_domains: false,
-		}), SpecialEndpoint::None)
-	);
-
-	// With path prefix
-	assert_eq!(
-		extract_endpoint(&Url::parse("http://localhost:8080/rpc/").ok(), dapps_domain),
-		(Some(EndpointPath {
-			app_id: "rpc".to_owned(),
-			app_params: vec!["".to_owned()],
-			host: "localhost".to_owned(),
-			port: 8080,
-			using_dapps_domains: false,
-		}), SpecialEndpoint::Rpc)
-	);
-
-	assert_eq!(
-		extract_endpoint(&Url::parse("http://my.status.web3.site/parity-utils/inject.js").ok(), dapps_domain),
-		(Some(EndpointPath {
-			app_id: "status".to_owned(),
-			app_params: vec!["my".to_owned(), "parity-utils".into(), "inject.js".into()],
-			host: "my.status.web3.site".to_owned(),
-			port: 80,
-			using_dapps_domains: true,
-		}), SpecialEndpoint::Utils)
-	);
-
-	// By Subdomain
-	assert_eq!(
-		extract_endpoint(&Url::parse("http://status.web3.site/test.html").ok(), dapps_domain),
-		(Some(EndpointPath {
-			app_id: "status".to_owned(),
-			app_params: vec!["test.html".to_owned()],
-			host: "status.web3.site".to_owned(),
-			port: 80,
-			using_dapps_domains: true,
-		}), SpecialEndpoint::None)
-	);
-
-	// RPC by subdomain
-	assert_eq!(
-		extract_endpoint(&Url::parse("http://my.status.web3.site/rpc/").ok(), dapps_domain),
-		(Some(EndpointPath {
-			app_id: "status".to_owned(),
-			app_params: vec!["my".to_owned(), "rpc".into(), "".into()],
-			host: "my.status.web3.site".to_owned(),
-			port: 80,
-			using_dapps_domains: true,
-		}), SpecialEndpoint::Rpc)
-	);
-
-	// API by subdomain
-	assert_eq!(
-		extract_endpoint(&Url::parse("http://my.status.web3.site/api/").ok(), dapps_domain),
-		(Some(EndpointPath {
-			app_id: "status".to_owned(),
-			app_params: vec!["my".to_owned(), "api".into(), "".into()],
-			host: "my.status.web3.site".to_owned(),
-			port: 80,
-			using_dapps_domains: true,
-		}), SpecialEndpoint::Api)
-	);
-}

dapps/src/tests/api.rs

@@ -1,85 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-use tests::helpers::{serve, serve_with_registrar, request, assert_security_headers};
-
-#[test]
-fn should_return_error() {
-	// given
-	let server = serve();
-
-	// when
-	let response = request(server,
-		"\
-			GET /api/empty HTTP/1.1\r\n\
-			Host: 127.0.0.1:8080\r\n\
-			Connection: close\r\n\
-			\r\n\
-			{}
-		"
-	);
-
-	// then
-	response.assert_status("HTTP/1.1 404 Not Found");
-	response.assert_header("Content-Type", "application/json");
-	assert_eq!(response.body, format!("58\n{}\n0\n\n", r#"{"code":"404","title":"Not Found","detail":"Resource you requested has not been found."}"#));
-	assert_security_headers(&response.headers);
-}
-
-#[test]
-fn should_handle_ping() {
-	// given
-	let server = serve();
-
-	// when
-	let response = request(server,
-		"\
-			POST /api/ping HTTP/1.1\r\n\
-			Host: home.parity\r\n\
-			Connection: close\r\n\
-			\r\n\
-			{}
-		"
-	);
-
-	// then
-	response.assert_status("HTTP/1.1 200 OK");
-	response.assert_header("Content-Type", "application/json");
-	assert_eq!(response.body, "0\n\n".to_owned());
-	assert_security_headers(&response.headers);
-}
-
-
-#[test]
-fn should_try_to_resolve_dapp() {
-	// given
-	let (server, registrar) = serve_with_registrar();
-
-	// when
-	let response = request(server,
-		"\
-			GET /api/content/1472a9e190620cdf6b31f383373e45efcfe869a820c91f9ccd7eb9fb45e4985d HTTP/1.1\r\n\
-			Host: home.parity\r\n\
-			Connection: close\r\n\
-			\r\n\
-		"
-	);
-
-	// then
-	response.assert_status("HTTP/1.1 404 Not Found");
-	assert_eq!(registrar.calls.lock().len(), 2);
-	assert_security_headers(&response.headers);
-}

dapps/src/tests/fetch.rs

@@ -1,540 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-use devtools::http_client;
-use rustc_hex::FromHex;
-use tests::helpers::{
-	serve_with_registrar, serve_with_registrar_and_sync, serve_with_fetch,
-	serve_with_registrar_and_fetch, serve_with_registrar_and_fetch_and_threads,
-	request, assert_security_headers_for_embed,
-};
-
-#[test]
-fn should_resolve_dapp() {
-	// given
-	let (server, registrar) = serve_with_registrar();
-
-	// when
-	let response = request(server,
-		"\
-			GET / HTTP/1.1\r\n\
-			Host: 1472a9e190620cdf6b31f383373e45efcfe869a820c91f9ccd7eb9fb45e4985d.web3.site\r\n\
-			Connection: close\r\n\
-			\r\n\
-		"
-	);
-
-	// then
-	response.assert_status("HTTP/1.1 404 Not Found");
-	assert_eq!(registrar.calls.lock().len(), 2);
-	assert_security_headers_for_embed(&response.headers);
-}
-
-#[test]
-fn should_return_503_when_syncing_but_should_make_the_calls() {
-	// given
-	let (server, registrar) = serve_with_registrar_and_sync();
-
-	// when
-	let response = request(server,
-		"\
-			GET / HTTP/1.1\r\n\
-			Host: 1472a9e190620cdf6b31f383373e45efcfe869a820c91f9ccd7eb9fb45e4985d.web3.site\r\n\
-			Connection: close\r\n\
-			\r\n\
-		"
-	);
-
-	// then
-	response.assert_status("HTTP/1.1 503 Service Unavailable");
-	assert_eq!(registrar.calls.lock().len(), 2);
-	assert_security_headers_for_embed(&response.headers);
-}
-
-const GAVCOIN_DAPP: &'static str = "00000000000000000000000000000000000000000000000000000000000000609faf32e1e3845e237cc6efd27187cee13b3b99db000000000000000000000000000000000000000000000000d8bd350823e28ff75e74a34215faefdc8a52fd8e00000000000000000000000000000000000000000000000000000000000000116761766f66796f726b2f676176636f696e000000000000000000000000000000";
-const GAVCOIN_ICON: &'static str = "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";
-
-#[test]
-fn should_return_502_on_hash_mismatch() {
-	// given
-	let (server, fetch, registrar) = serve_with_registrar_and_fetch();
-	let gavcoin = GAVCOIN_DAPP.from_hex().unwrap();
-	registrar.set_result(
-		"94f093625c06887d94d9fee0d5f9cc4aaa46f33d24d1c7e4b5237e7c37d547dd".parse().unwrap(),
-		Ok(gavcoin.clone())
-	);
-
-	// when
-	let response = request(server,
-		"\
-			GET / HTTP/1.1\r\n\
-			Host: 94f093625c06887d94d9fee0d5f9cc4aaa46f33d24d1c7e4b5237e7c37d547dd.web3.site\r\n\
-			Connection: close\r\n\
-			\r\n\
-		"
-	);
-
-	// then
-	assert_eq!(registrar.calls.lock().len(), 4);
-
-	fetch.assert_requested("https://codeload.github.com/gavofyork/gavcoin/zip/9faf32e1e3845e237cc6efd27187cee13b3b99db");
-	fetch.assert_no_more_requests();
-
-	response.assert_status("HTTP/1.1 502 Bad Gateway");
-	assert!(response.body.contains("HashMismatch"), "Expected hash mismatch response, got: {:?}", response.body);
-	assert_security_headers_for_embed(&response.headers);
-}
-
-#[test]
-fn should_return_error_for_invalid_dapp_zip() {
-	// given
-	let (server, fetch, registrar) = serve_with_registrar_and_fetch();
-	let gavcoin = GAVCOIN_DAPP.from_hex().unwrap();
-	registrar.set_result(
-		"2be00befcf008bc0e7d9cdefc194db9c75352e8632f48498b5a6bfce9f02c88e".parse().unwrap(),
-		Ok(gavcoin.clone())
-	);
-
-	// when
-	let response = request(server,
-		"\
-			GET / HTTP/1.1\r\n\
-			Host: 2be00befcf008bc0e7d9cdefc194db9c75352e8632f48498b5a6bfce9f02c88e.web3.site\r\n\
-			Connection: close\r\n\
-			\r\n\
-		"
-	);
-
-	// then
-	assert_eq!(registrar.calls.lock().len(), 4);
-
-	fetch.assert_requested("https://codeload.github.com/gavofyork/gavcoin/zip/9faf32e1e3845e237cc6efd27187cee13b3b99db");
-	fetch.assert_no_more_requests();
-
-	response.assert_status("HTTP/1.1 502 Bad Gateway");
-	assert!(response.body.contains("InvalidArchive"), "Expected invalid zip response, got: {:?}", response.body);
-	assert_security_headers_for_embed(&response.headers);
-}
-
-#[test]
-fn should_return_fetched_dapp_content() {
-	// given
-	let (server, fetch, registrar) = serve_with_registrar_and_fetch();
-	let gavcoin = GAVCOIN_DAPP.from_hex().unwrap();
-	registrar.set_result(
-		"9c94e154dab8acf859b30ee80fc828fb1d38359d938751b65db71d460588d82a".parse().unwrap(),
-		Ok(gavcoin.clone())
-	);
-	fetch.set_response(include_bytes!("../../res/gavcoin.zip"));
-
-	// when
-	let response1 = http_client::request(server.addr(),
-		"\
-			GET /index.html HTTP/1.1\r\n\
-			Host: 9c94e154dab8acf859b30ee80fc828fb1d38359d938751b65db71d460588d82a.web3.site\r\n\
-			Connection: close\r\n\
-			\r\n\
-		"
-	);
-	let response2 = http_client::request(server.addr(),
-		"\
-			GET /manifest.json HTTP/1.1\r\n\
-			Host: 9c94e154dab8acf859b30ee80fc828fb1d38359d938751b65db71d460588d82a.web3.site\r\n\
-			Connection: close\r\n\
-			\r\n\
-		"
-	);
-
-	// then
-	assert_eq!(registrar.calls.lock().len(), 4);
-
-	fetch.assert_requested("https://codeload.github.com/gavofyork/gavcoin/zip/9faf32e1e3845e237cc6efd27187cee13b3b99db");
-	fetch.assert_no_more_requests();
-
-	response1.assert_status("HTTP/1.1 200 OK");
-	assert_security_headers_for_embed(&response1.headers);
-	assert_eq!(
-		response1.body,
-		r#"18
-<h1>Hello Gavcoin!</h1>
-
-"#
-	);
-
-	response2.assert_status("HTTP/1.1 200 OK");
-	assert_security_headers_for_embed(&response2.headers);
-	assert_eq!(
-		response2.body,
-		r#"BE
-{
-  "id": "9c94e154dab8acf859b30ee80fc828fb1d38359d938751b65db71d460588d82a",
-  "name": "Gavcoin",
-  "description": "Gavcoin",
-  "version": "1.0.0",
-  "author": "",
-  "iconUrl": "icon.png"
-}
-0
-
-"#
-	);
-}
-
-#[test]
-fn should_return_fetched_content() {
-	// given
-	let (server, fetch, registrar) = serve_with_registrar_and_fetch();
-	let gavcoin = GAVCOIN_ICON.from_hex().unwrap();
-	registrar.set_result(
-		"2be00befcf008bc0e7d9cdefc194db9c75352e8632f48498b5a6bfce9f02c88e".parse().unwrap(),
-		Ok(gavcoin.clone())
-	);
-
-	// when
-	let response = request(server,
-		"\
-			GET / HTTP/1.1\r\n\
-			Host: 2be00befcf008bc0e7d9cdefc194db9c75352e8632f48498b5a6bfce9f02c88e.web3.site\r\n\
-			Connection: close\r\n\
-			\r\n\
-		"
-	);
-
-	// then
-	assert_eq!(registrar.calls.lock().len(), 4);
-
-	fetch.assert_requested("https://raw.githubusercontent.com/ethcore/dapp-assets/b88e983abaa1a6a6345b8d9448c15b117ddb540e/tokens/gavcoin-64x64.png");
-	fetch.assert_no_more_requests();
-
-	response.assert_status("HTTP/1.1 200 OK");
-	response.assert_security_headers_present(None);
-}
-
-#[test]
-fn should_cache_content() {
-	// given
-	let (server, fetch, registrar) = serve_with_registrar_and_fetch();
-	let gavcoin = GAVCOIN_ICON.from_hex().unwrap();
-	registrar.set_result(
-		"2be00befcf008bc0e7d9cdefc194db9c75352e8632f48498b5a6bfce9f02c88e".parse().unwrap(),
-		Ok(gavcoin.clone())
-	);
-	let request_str = "\
-		GET / HTTP/1.1\r\n\
-		Host: 2be00befcf008bc0e7d9cdefc194db9c75352e8632f48498b5a6bfce9f02c88e.web3.site\r\n\
-		Connection: close\r\n\
-		\r\n\
-	";
-
-	let response = http_client::request(server.addr(), request_str);
-	fetch.assert_requested("https://raw.githubusercontent.com/ethcore/dapp-assets/b88e983abaa1a6a6345b8d9448c15b117ddb540e/tokens/gavcoin-64x64.png");
-	fetch.assert_no_more_requests();
-	response.assert_status("HTTP/1.1 200 OK");
-
-	// when
-	let response = http_client::request(server.addr(), request_str);
-
-	// then
-	fetch.assert_no_more_requests();
-	response.assert_status("HTTP/1.1 200 OK");
-}
-
-#[test]
-fn should_not_request_content_twice() {
-	use std::thread;
-
-	// given
-	let (server, fetch, registrar) = serve_with_registrar_and_fetch_and_threads(true);
-	let gavcoin = GAVCOIN_ICON.from_hex().unwrap();
-	registrar.set_result(
-		"2be00befcf008bc0e7d9cdefc194db9c75352e8632f48498b5a6bfce9f02c88e".parse().unwrap(),
-		Ok(gavcoin.clone())
-	);
-	let request_str = "\
-		GET / HTTP/1.1\r\n\
-		Host: 2be00befcf008bc0e7d9cdefc194db9c75352e8632f48498b5a6bfce9f02c88e.web3.site\r\n\
-		Connection: close\r\n\
-		\r\n\
-	";
-	let fire_request = || {
-		let addr = server.addr().to_owned();
-		let req = request_str.to_owned();
-		thread::spawn(move || {
-			http_client::request(&addr, &req)
-		})
-	};
-	let control = fetch.manual();
-
-	// when
-
-	// Fire two requests at the same time
-	let r1 = fire_request();
-	let r2 = fire_request();
-
-	// wait for single request in fetch, the second one should go into waiting state.
-	control.wait_for_requests(1);
-	control.respond();
-
-	let response1 = r1.join().unwrap();
-	let response2 = r2.join().unwrap();
-
-	// then
-	fetch.assert_requested("https://raw.githubusercontent.com/ethcore/dapp-assets/b88e983abaa1a6a6345b8d9448c15b117ddb540e/tokens/gavcoin-64x64.png");
-	fetch.assert_no_more_requests();
-	response1.assert_status("HTTP/1.1 200 OK");
-	response2.assert_status("HTTP/1.1 200 OK");
-}
-
-#[test]
-fn should_encode_and_decode_base32() {
-	use base32;
-
-	let encoded = base32::encode(base32::Alphabet::Crockford, "token+https://parity.io".as_bytes());
-	assert_eq!("EHQPPSBE5DM78X3GECX2YBVGC5S6JX3S5SMPY", &encoded);
-
-	let data = base32::decode(base32::Alphabet::Crockford, "EHQPPSBE5DM78X3GECX2YBVGC5S6JX3S5SMPY").unwrap();
-	assert_eq!("token+https://parity.io", &String::from_utf8(data).unwrap());
-}
-
-#[test]
-fn should_stream_web_content() {
-	// given
-	let (server, fetch) = serve_with_fetch("token", "https://parity.io");
-
-	// when
-	let response = request(server,
-		"\
-			GET / HTTP/1.1\r\n\
-			Host: EHQPPSBE5DM78X3GECX2YBVGC5S6JX3S5SMPY.web.web3.site\r\n\
-			Connection: close\r\n\
-			\r\n\
-		"
-	);
-
-	// then
-	response.assert_status("HTTP/1.1 200 OK");
-	assert_security_headers_for_embed(&response.headers);
-
-	fetch.assert_requested("https://parity.io/");
-	fetch.assert_no_more_requests();
-}
-
-#[test]
-fn should_support_base32_encoded_web_urls() {
-	// given
-	let (server, fetch) = serve_with_fetch("token", "https://parity.io");
-
-	// when
-	let response = request(server,
-		"\
-			GET /styles.css?test=123 HTTP/1.1\r\n\
-			Host: EHQPPSBE5DM78X3GECX2YBVGC5S6JX3S5SMPY.web.web3.site\r\n\
-			Connection: close\r\n\
-			\r\n\
-		"
-	);
-
-	// then
-	response.assert_status("HTTP/1.1 200 OK");
-	assert_security_headers_for_embed(&response.headers);
-
-	fetch.assert_requested("https://parity.io/styles.css?test=123");
-	fetch.assert_no_more_requests();
-}
-
-#[test]
-fn should_correctly_handle_long_label_when_splitted() {
-	// given
-	let (server, fetch) = serve_with_fetch("xolrg9fePeQyKLnL", "https://contribution.melonport.com");
-
-	// when
-	let response = request(server,
-		"\
-			GET /styles.css?test=123 HTTP/1.1\r\n\
-			Host: f1qprwk775k6am35a5wmpk3e9gnpgx3me1sk.mbsfcdqpwx3jd5h7ax39dxq2wvb5dhqpww3fe9t2wrvfdm.web.web3.site\r\n\
-			Connection: close\r\n\
-			\r\n\
-		"
-	);
-
-	// then
-	response.assert_status("HTTP/1.1 200 OK");
-	assert_security_headers_for_embed(&response.headers);
-
-	fetch.assert_requested("https://contribution.melonport.com/styles.css?test=123");
-	fetch.assert_no_more_requests();
-}
-
-
-#[test]
-fn should_support_base32_encoded_web_urls_as_path() {
-	// given
-	let (server, fetch) = serve_with_fetch("token", "https://parity.io");
-
-	// when
-	let response = request(server,
-		"\
-			GET /web/EHQPPSBE5DM78X3GECX2YBVGC5S6JX3S5SMPY/styles.css?test=123 HTTP/1.1\r\n\
-			Host: localhost:8080\r\n\
-			Connection: close\r\n\
-			\r\n\
-		"
-	);
-
-	// then
-	response.assert_status("HTTP/1.1 200 OK");
-	assert_security_headers_for_embed(&response.headers);
-
-	fetch.assert_requested("https://parity.io/styles.css?test=123");
-	fetch.assert_no_more_requests();
-}
-
-#[test]
-fn should_return_error_on_non_whitelisted_domain() {
-	// given
-	let (server, fetch) = serve_with_fetch("token", "https://ethcore.io");
-
-	// when
-	let response = request(server,
-		"\
-			GET / HTTP/1.1\r\n\
-			Host: EHQPPSBE5DM78X3GECX2YBVGC5S6JX3S5SMPY.web.web3.site\r\n\
-			Connection: close\r\n\
-			\r\n\
-		"
-	);
-
-	// then
-	response.assert_status("HTTP/1.1 400 Bad Request");
-	assert_security_headers_for_embed(&response.headers);
-
-	fetch.assert_no_more_requests();
-}
-
-#[test]
-fn should_return_error_on_invalid_token() {
-	// given
-	let (server, fetch) = serve_with_fetch("test", "https://parity.io");
-
-	// when
-	let response = request(server,
-		"\
-			GET / HTTP/1.1\r\n\
-			Host: EHQPPSBE5DM78X3GECX2YBVGC5S6JX3S5SMPY.web.web3.site\r\n\
-			Connection: close\r\n\
-			\r\n\
-		"
-	);
-
-	// then
-	response.assert_status("HTTP/1.1 400 Bad Request");
-	assert_security_headers_for_embed(&response.headers);
-
-	fetch.assert_no_more_requests();
-}
-
-#[test]
-fn should_return_error_on_invalid_protocol() {
-	// given
-	let (server, fetch) = serve_with_fetch("token", "ftp://parity.io");
-
-	// when
-	let response = request(server,
-		"\
-			GET /web/token/ftp/parity.io/ HTTP/1.1\r\n\
-			Host: localhost:8080\r\n\
-			Connection: close\r\n\
-			\r\n\
-		"
-	);
-
-	// then
-	response.assert_status("HTTP/1.1 400 Bad Request");
-	assert_security_headers_for_embed(&response.headers);
-
-	fetch.assert_no_more_requests();
-}
-
-#[test]
-fn should_disallow_non_get_requests() {
-	// given
-	let (server, fetch) = serve_with_fetch("token", "https://parity.io");
-
-	// when
-	let response = request(server,
-		"\
-			POST / HTTP/1.1\r\n\
-			Host: EHQPPSBE5DM78X3GECX2YBVGC5S6JX3S5SMPY.web.web3.site\r\n\
-			Content-Type: application/json\r\n\
-			Connection: close\r\n\
-			\r\n\
-			123\r\n\
-			\r\n\
-		"
-	);
-
-	// then
-	response.assert_status("HTTP/1.1 405 Method Not Allowed");
-	assert_security_headers_for_embed(&response.headers);
-
-	fetch.assert_no_more_requests();
-}
-
-#[test]
-fn should_fix_absolute_requests_based_on_referer() {
-	// given
-	let (server, fetch) = serve_with_fetch("token", "https://parity.io");
-
-	// when
-	let response = request(server,
-		"\
-			GET /styles.css HTTP/1.1\r\n\
-			Host: localhost:8080\r\n\
-			Connection: close\r\n\
-			Referer: http://localhost:8080/web/EHQPPSBE5DM78X3GECX2YBVGC5S6JX3S5SMPY/\r\n\
-			\r\n\
-		"
-	);
-
-	// then
-	response.assert_status("HTTP/1.1 302 Found");
-	response.assert_header("Location", "/web/EHQPPSBE5DM78X3GECX2YBVGC5S6JX3S5SMPY/styles.css");
-
-	fetch.assert_no_more_requests();
-}
-
-#[test]
-fn should_fix_absolute_requests_based_on_referer_in_url() {
-	// given
-	let (server, fetch) = serve_with_fetch("token", "https://parity.io");
-
-	// when
-	let response = request(server,
-		"\
-			GET /styles.css HTTP/1.1\r\n\
-			Host: localhost:8080\r\n\
-			Connection: close\r\n\
-			Referer: http://localhost:8080/?__referer=web/EHQPPSBE5DM78X3GECX2YBVGC5S6JX3S5SMPY/\r\n\
-			\r\n\
-		"
-	);
-
-	// then
-	response.assert_status("HTTP/1.1 302 Found");
-	response.assert_header("Location", "/web/EHQPPSBE5DM78X3GECX2YBVGC5S6JX3S5SMPY/styles.css");
-
-	fetch.assert_no_more_requests();
-}

dapps/src/tests/helpers/fetch.rs

@@ -1,122 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-use std::{io, thread, time};
-use std::sync::{atomic, mpsc, Arc};
-use util::Mutex;
-
-use futures::{self, Future};
-use fetch::{self, Fetch};
-
-pub struct FetchControl {
-	sender: mpsc::Sender<()>,
-	fetch: FakeFetch,
-}
-
-impl FetchControl {
-	pub fn respond(self) {
-		self.sender.send(())
-			.expect("Fetch cannot be finished without sending a response at least once.");
-	}
-
-	pub fn wait_for_requests(&self, len: usize) {
-		const MAX_TIMEOUT_MS: u64 = 5000;
-		const ATTEMPTS: u64 = 10;
-		let mut attempts_left = ATTEMPTS;
-		loop {
-			let current = self.fetch.requested.lock().len();
-
-			if current == len {
-				break;
-			} else if attempts_left == 0 {
-				panic!(
-					"Timeout reached when waiting for pending requests. Expected: {}, current: {}",
-					len, current
-				);
-			} else {
-				attempts_left -= 1;
-				// Should we handle spurious timeouts better?
-				thread::park_timeout(time::Duration::from_millis(MAX_TIMEOUT_MS / ATTEMPTS));
-			}
-		}
-	}
-}
-
-#[derive(Clone, Default)]
-pub struct FakeFetch {
-	manual: Arc<Mutex<Option<mpsc::Receiver<()>>>>,
-	response: Arc<Mutex<Option<&'static [u8]>>>,
-	asserted: Arc<atomic::AtomicUsize>,
-	requested: Arc<Mutex<Vec<String>>>,
-}
-
-impl FakeFetch {
-	pub fn set_response(&self, data: &'static [u8]) {
-		*self.response.lock() = Some(data);
-	}
-
-	pub fn manual(&self) -> FetchControl {
-		assert!(self.manual.lock().is_none(), "Only one manual control may be active.");
-		let (tx, rx) = mpsc::channel();
-		*self.manual.lock() = Some(rx);
-
-		FetchControl {
-			sender: tx,
-			fetch: self.clone(),
-		}
-	}
-
-	pub fn assert_requested(&self, url: &str) {
-		let requests = self.requested.lock();
-		let idx = self.asserted.fetch_add(1, atomic::Ordering::SeqCst);
-
-		assert_eq!(requests.get(idx), Some(&url.to_owned()), "Expected fetch from specific URL.");
-	}
-
-	pub fn assert_no_more_requests(&self) {
-		let requests = self.requested.lock();
-		let len = self.asserted.load(atomic::Ordering::SeqCst);
-		assert_eq!(requests.len(), len, "Didn't expect any more requests, got: {:?}", &requests[len..]);
-	}
-}
-
-impl Fetch for FakeFetch {
-	type Result = futures::BoxFuture<fetch::Response, fetch::Error>;
-
-	fn new() -> Result<Self, fetch::Error> where Self: Sized {
-		Ok(FakeFetch::default())
-	}
-
-	fn fetch_with_abort(&self, url: &str, _abort: fetch::Abort) -> Self::Result {
-		self.requested.lock().push(url.into());
-		let manual = self.manual.clone();
-		let response = self.response.clone();
-
-		let (tx, rx) = futures::oneshot();
-		thread::spawn(move || {
-			if let Some(rx) = manual.lock().take() {
-				// wait for manual resume
-				let _ = rx.recv();
-			}
-
-			let data = response.lock().take().unwrap_or(b"Some content");
-			let cursor = io::Cursor::new(data);
-			tx.send(fetch::Response::from_reader(cursor)).unwrap();
-		});
-
-		rx.map_err(|_| fetch::Error::Aborted).boxed()
-	}
-}

dapps/src/tests/helpers/mod.rs

@@ -1,308 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-use std::env;
-use std::str;
-use std::net::SocketAddr;
-use std::path::{Path, PathBuf};
-use std::sync::Arc;
-use env_logger::LogBuilder;
-use jsonrpc_core::IoHandler;
-use jsonrpc_http_server::{self as http, Host, DomainsValidation};
-
-use devtools::http_client;
-use hash_fetch::urlhint::ContractClient;
-use fetch::{Fetch, Client as FetchClient};
-use node_health::{NodeHealth, TimeChecker, CpuPool};
-use parity_reactor::Remote;
-
-use {Middleware, SyncStatus, WebProxyTokens};
-
-mod registrar;
-mod fetch;
-
-use self::registrar::FakeRegistrar;
-use self::fetch::FakeFetch;
-
-const SIGNER_PORT: u16 = 18180;
-
-#[derive(Debug)]
-struct FakeSync(bool);
-impl SyncStatus for FakeSync {
-	fn is_major_importing(&self) -> bool { self.0 }
-	fn peers(&self) -> (usize, usize) { (0, 5) }
-}
-
-fn init_logger() {
-	// Initialize logger
-	if let Ok(log) = env::var("RUST_LOG") {
-		let mut builder = LogBuilder::new();
-		builder.parse(&log);
-		let _ = builder.init();	// ignore errors since ./test.sh will call this multiple times.
-	}
-}
-
-pub fn init_server<F, B>(process: F, io: IoHandler, remote: Remote) -> (Server, Arc<FakeRegistrar>) where
-	F: FnOnce(ServerBuilder) -> ServerBuilder<B>,
-	B: Fetch,
-{
-	init_logger();
-	let registrar = Arc::new(FakeRegistrar::new());
-	let mut dapps_path = env::temp_dir();
-	dapps_path.push("non-existent-dir-to-prevent-fs-files-from-loading");
-
-	let server = process(ServerBuilder::new(
-		&dapps_path, registrar.clone(), remote,
-	))
-		.signer_address(Some(("127.0.0.1".into(), SIGNER_PORT)))
-		.start_unsecured_http(&"127.0.0.1:0".parse().unwrap(), io).unwrap();
-	(
-		server,
-		registrar,
-	)
-}
-
-pub fn serve_with_rpc(io: IoHandler) -> Server {
-	init_server(|builder| builder, io, Remote::new_sync()).0
-}
-
-pub fn serve_hosts(hosts: Option<Vec<String>>) -> Server {
-	let hosts = hosts.map(|hosts| hosts.into_iter().map(Into::into).collect());
-	init_server(|builder| builder.allowed_hosts(hosts.into()), Default::default(), Remote::new_sync()).0
-}
-
-pub fn serve_with_registrar() -> (Server, Arc<FakeRegistrar>) {
-	init_server(|builder| builder, Default::default(), Remote::new_sync())
-}
-
-pub fn serve_with_registrar_and_sync() -> (Server, Arc<FakeRegistrar>) {
-	init_server(|builder| {
-		builder.sync_status(Arc::new(FakeSync(true)))
-	}, Default::default(), Remote::new_sync())
-}
-
-pub fn serve_with_registrar_and_fetch() -> (Server, FakeFetch, Arc<FakeRegistrar>) {
-	serve_with_registrar_and_fetch_and_threads(false)
-}
-
-pub fn serve_with_registrar_and_fetch_and_threads(multi_threaded: bool) -> (Server, FakeFetch, Arc<FakeRegistrar>) {
-	let fetch = FakeFetch::default();
-	let f = fetch.clone();
-	let (server, reg) = init_server(move |builder| {
-		builder.fetch(f.clone())
-	}, Default::default(), if multi_threaded { Remote::new_thread_per_future() } else { Remote::new_sync() });
-
-	(server, fetch, reg)
-}
-
-pub fn serve_with_fetch(web_token: &'static str, domain: &'static str) -> (Server, FakeFetch) {
-	let fetch = FakeFetch::default();
-	let f = fetch.clone();
-	let (server, _) = init_server(move |builder| {
-		builder
-			.fetch(f.clone())
-			.web_proxy_tokens(Arc::new(move |token| {
-				if &token == web_token { Some(domain.into()) } else { None }
-			}))
-	}, Default::default(), Remote::new_sync());
-
-	(server, fetch)
-}
-
-pub fn serve() -> Server {
-	init_server(|builder| builder, Default::default(), Remote::new_sync()).0
-}
-
-pub fn request(server: Server, request: &str) -> http_client::Response {
-	http_client::request(server.addr(), request)
-}
-
-pub fn assert_security_headers(headers: &[String]) {
-	http_client::assert_security_headers_present(headers, None)
-}
-pub fn assert_security_headers_for_embed(headers: &[String]) {
-	http_client::assert_security_headers_present(headers, Some(SIGNER_PORT))
-}
-
-
-/// Webapps HTTP+RPC server build.
-pub struct ServerBuilder<T: Fetch = FetchClient> {
-	dapps_path: PathBuf,
-	registrar: Arc<ContractClient>,
-	sync_status: Arc<SyncStatus>,
-	web_proxy_tokens: Arc<WebProxyTokens>,
-	signer_address: Option<(String, u16)>,
-	allowed_hosts: DomainsValidation<Host>,
-	remote: Remote,
-	fetch: Option<T>,
-}
-
-impl ServerBuilder {
-	/// Construct new dapps server
-	pub fn new<P: AsRef<Path>>(dapps_path: P, registrar: Arc<ContractClient>, remote: Remote) -> Self {
-		ServerBuilder {
-			dapps_path: dapps_path.as_ref().to_owned(),
-			registrar: registrar,
-			sync_status: Arc::new(FakeSync(false)),
-			web_proxy_tokens: Arc::new(|_| None),
-			signer_address: None,
-			allowed_hosts: DomainsValidation::Disabled,
-			remote: remote,
-			fetch: None,
-		}
-	}
-}
-
-impl<T: Fetch> ServerBuilder<T> {
-	/// Set a fetch client to use.
-	pub fn fetch<X: Fetch>(self, fetch: X) -> ServerBuilder<X> {
-		ServerBuilder {
-			dapps_path: self.dapps_path,
-			registrar: self.registrar,
-			sync_status: self.sync_status,
-			web_proxy_tokens: self.web_proxy_tokens,
-			signer_address: self.signer_address,
-			allowed_hosts: self.allowed_hosts,
-			remote: self.remote,
-			fetch: Some(fetch),
-		}
-	}
-
-	/// Change default sync status.
-	pub fn sync_status(mut self, status: Arc<SyncStatus>) -> Self {
-		self.sync_status = status;
-		self
-	}
-
-	/// Change default web proxy tokens validator.
-	pub fn web_proxy_tokens(mut self, tokens: Arc<WebProxyTokens>) -> Self {
-		self.web_proxy_tokens = tokens;
-		self
-	}
-
-	/// Change default signer port.
-	pub fn signer_address(mut self, signer_address: Option<(String, u16)>) -> Self {
-		self.signer_address = signer_address;
-		self
-	}
-
-	/// Change allowed hosts.
-	/// `None` - All hosts are allowed
-	/// `Some(whitelist)` - Allow only whitelisted hosts (+ listen address)
-	pub fn allowed_hosts(mut self, allowed_hosts: DomainsValidation<Host>) -> Self {
-		self.allowed_hosts = allowed_hosts;
-		self
-	}
-
-	/// Asynchronously start server with no authentication,
-	/// returns result with `Server` handle on success or an error.
-	pub fn start_unsecured_http(self, addr: &SocketAddr, io: IoHandler) -> Result<Server, http::Error> {
-		let fetch = self.fetch_client();
-		Server::start_http(
-			addr,
-			io,
-			self.allowed_hosts,
-			self.signer_address,
-			self.dapps_path,
-			vec![],
-			self.registrar,
-			self.sync_status,
-			self.web_proxy_tokens,
-			self.remote,
-			fetch,
-		)
-	}
-
-	fn fetch_client(&self) -> T {
-		match self.fetch.clone() {
-			Some(fetch) => fetch,
-			None => T::new().unwrap(),
-		}
-	}
-}
-
-const DAPPS_DOMAIN: &'static str = "web3.site";
-
-/// Webapps HTTP server.
-pub struct Server {
-	server: Option<http::Server>,
-}
-
-impl Server {
-	fn start_http<F: Fetch>(
-		addr: &SocketAddr,
-		io: IoHandler,
-		allowed_hosts: DomainsValidation<Host>,
-		signer_address: Option<(String, u16)>,
-		dapps_path: PathBuf,
-		extra_dapps: Vec<PathBuf>,
-		registrar: Arc<ContractClient>,
-		sync_status: Arc<SyncStatus>,
-		web_proxy_tokens: Arc<WebProxyTokens>,
-		remote: Remote,
-		fetch: F,
-	) -> Result<Server, http::Error> {
-		let health = NodeHealth::new(
-			sync_status.clone(),
-			TimeChecker::new::<String>(&[], CpuPool::new(1)),
-			remote.clone(),
-		);
-		let middleware = Middleware::dapps(
-			health,
-			remote,
-			signer_address,
-			vec![],
-			vec![],
-			dapps_path,
-			extra_dapps,
-			DAPPS_DOMAIN.into(),
-			registrar,
-			sync_status,
-			web_proxy_tokens,
-			fetch,
-		);
-
-		let mut allowed_hosts: Option<Vec<Host>> = allowed_hosts.into();
-		allowed_hosts.as_mut().map(|mut hosts| {
-			hosts.push(format!("http://*.{}:*", DAPPS_DOMAIN).into());
-			hosts.push(format!("http://*.{}", DAPPS_DOMAIN).into());
-		});
-
-		http::ServerBuilder::new(io)
-			.request_middleware(middleware)
-			.allowed_hosts(allowed_hosts.into())
-			.cors(http::DomainsValidation::Disabled)
-			.start_http(addr)
-			.map(|server| Server {
-				server: Some(server),
-			})
-	}
-
-	/// Returns address that this server is bound to.
-	pub fn addr(&self) -> &SocketAddr {
-		self.server.as_ref()
-			.expect("server is always Some at the start; it's consumed only when object is dropped; qed")
-			.addrs()
-			.first()
-			.expect("You cannot start the server without binding to at least one address; qed")
-	}
-}
-
-impl Drop for Server {
-	fn drop(&mut self) {
-		self.server.take().unwrap().close()
-	}
-}

dapps/src/tests/helpers/registrar.rs

@@ -1,73 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-use std::str;
-use std::sync::Arc;
-use std::collections::HashMap;
-use rustc_hex::FromHex;
-
-use hash_fetch::urlhint::ContractClient;
-use util::{Bytes, Address, Mutex, H256, ToPretty};
-
-const REGISTRAR: &'static str = "8e4e9b13d4b45cb0befc93c3061b1408f67316b2";
-const URLHINT: &'static str = "deadbeefcafe0000000000000000000000000000";
-const URLHINT_RESOLVE: &'static str = "267b6922";
-const DEFAULT_HASH: &'static str = "1472a9e190620cdf6b31f383373e45efcfe869a820c91f9ccd7eb9fb45e4985d";
-
-pub struct FakeRegistrar {
-	pub calls: Arc<Mutex<Vec<(String, String)>>>,
-	pub responses: Mutex<HashMap<(String, String), Result<Bytes, String>>>,
-}
-
-impl FakeRegistrar {
-	pub fn new() -> Self {
-		FakeRegistrar {
-			calls: Arc::new(Mutex::new(Vec::new())),
-			responses: Mutex::new({
-				let mut map = HashMap::new();
-				map.insert(
-					(REGISTRAR.into(), "6795dbcd058740ee9a5a3fb9f1cfa10752baec87e09cc45cd7027fd54708271aca300c75000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000014100000000000000000000000000000000000000000000000000000000000000".into()),
-					Ok(format!("000000000000000000000000{}", URLHINT).from_hex().unwrap()),
-				);
-				map.insert(
-					(URLHINT.into(), format!("{}{}", URLHINT_RESOLVE, DEFAULT_HASH)),
-					Ok(vec![])
-				);
-				map
-			}),
-		}
-	}
-
-	pub fn set_result(&self, hash: H256, result: Result<Bytes, String>) {
-		self.responses.lock().insert(
-			(URLHINT.into(), format!("{}{:?}", URLHINT_RESOLVE, hash)),
-			result
-		);
-	}
-}
-
-impl ContractClient for FakeRegistrar {
-	fn registrar(&self) -> Result<Address, String> {
-		Ok(REGISTRAR.parse().unwrap())
-	}
-
-	fn call(&self, address: Address, data: Bytes) -> ::futures::BoxFuture<Bytes, String> {
-		let call = (address.to_hex(), data.to_hex());
-		self.calls.lock().push(call.clone());
-		let res = self.responses.lock().get(&call).cloned().expect(&format!("No response for call: {:?}", call));
-		Box::new(::futures::future::done(res))
-	}
-}

dapps/src/tests/redirection.rs

@@ -1,207 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-use tests::helpers::{serve, request, assert_security_headers, assert_security_headers_for_embed};
-
-#[test]
-fn should_redirect_to_home() {
-	// given
-	let server = serve();
-
-	// when
-	let response = request(server,
-		"\
-			GET / HTTP/1.1\r\n\
-			Host: 127.0.0.1:8080\r\n\
-			Connection: close\r\n\
-			\r\n\
-		"
-	);
-
-	// then
-	response.assert_status("HTTP/1.1 302 Found");
-	assert_eq!(response.headers.get(0).unwrap(), "Location: http://127.0.0.1:18180");
-}
-
-#[test]
-fn should_redirect_to_home_with_domain() {
-	// given
-	let server = serve();
-
-	// when
-	let response = request(server,
-		"\
-			GET / HTTP/1.1\r\n\
-			Host: home.web3.site\r\n\
-			Connection: close\r\n\
-			\r\n\
-		"
-	);
-
-	// then
-	response.assert_status("HTTP/1.1 302 Found");
-	assert_eq!(response.headers.get(0).unwrap(), "Location: http://127.0.0.1:18180");
-}
-
-#[test]
-fn should_redirect_to_home_when_trailing_slash_is_missing() {
-	// given
-	let server = serve();
-
-	// when
-	let response = request(server,
-		"\
-			GET /app HTTP/1.1\r\n\
-			Host: 127.0.0.1:8080\r\n\
-			Connection: close\r\n\
-			\r\n\
-		"
-	);
-
-	// then
-	response.assert_status("HTTP/1.1 302 Found");
-	assert_eq!(response.headers.get(0).unwrap(), "Location: http://127.0.0.1:18180");
-}
-
-#[test]
-fn should_display_404_on_invalid_dapp() {
-	// given
-	let server = serve();
-
-	// when
-	let response = request(server,
-		"\
-			GET /invaliddapp/ HTTP/1.1\r\n\
-			Host: 127.0.0.1:8080\r\n\
-			Connection: close\r\n\
-			\r\n\
-		"
-	);
-
-	// then
-	response.assert_status("HTTP/1.1 404 Not Found");
-	assert_security_headers_for_embed(&response.headers);
-}
-
-#[test]
-fn should_display_404_on_invalid_dapp_with_domain() {
-	// given
-	let server = serve();
-
-	// when
-	let response = request(server,
-		"\
-			GET / HTTP/1.1\r\n\
-			Host: invaliddapp.web3.site\r\n\
-			Connection: close\r\n\
-			\r\n\
-		"
-	);
-
-	// then
-	response.assert_status("HTTP/1.1 404 Not Found");
-	assert_security_headers_for_embed(&response.headers);
-}
-
-#[test]
-fn should_serve_rpc() {
-	// given
-	let server = serve();
-
-	// when
-	let response = request(server,
-		"\
-			POST / HTTP/1.1\r\n\
-			Host: 127.0.0.1:8080\r\n\
-			Connection: close\r\n\
-			Content-Type: application/json\r\n
-			\r\n\
-			{}
-		"
-	);
-
-	// then
-	response.assert_status("HTTP/1.1 200 OK");
-	assert_eq!(response.body, format!("4C\n{}\n\n0\n\n", r#"{"jsonrpc":"2.0","error":{"code":-32700,"message":"Parse error"},"id":null}"#));
-}
-
-#[test]
-fn should_serve_rpc_at_slash_rpc() {
-	// given
-	let server = serve();
-
-	// when
-	let response = request(server,
-		"\
-			POST /rpc HTTP/1.1\r\n\
-			Host: 127.0.0.1:8080\r\n\
-			Connection: close\r\n\
-			Content-Type: application/json\r\n
-			\r\n\
-			{}
-		"
-	);
-
-	// then
-	response.assert_status("HTTP/1.1 200 OK");
-	assert_eq!(response.body, format!("4C\n{}\n\n0\n\n", r#"{"jsonrpc":"2.0","error":{"code":-32700,"message":"Parse error"},"id":null}"#));
-}
-
-
-#[test]
-fn should_serve_proxy_pac() {
-	// given
-	let server = serve();
-
-	// when
-	let response = request(server,
-		"\
-			GET /proxy/proxy.pac HTTP/1.1\r\n\
-			Host: 127.0.0.1:8080\r\n\
-			Connection: close\r\n\
-			\r\n\
-			{}
-		"
-	);
-
-	// then
-	response.assert_status("HTTP/1.1 200 OK");
-	assert_eq!(response.body, "DB\n\nfunction FindProxyForURL(url, host) {\n\tif (shExpMatch(host, \"home.web3.site\"))\n\t{\n\t\treturn \"PROXY 127.0.0.1:18180\";\n\t}\n\n\tif (shExpMatch(host, \"*.web3.site\"))\n\t{\n\t\treturn \"PROXY 127.0.0.1:8080\";\n\t}\n\n\treturn \"DIRECT\";\n}\n\n0\n\n".to_owned());
-	assert_security_headers(&response.headers);
-}
-
-#[test]
-fn should_serve_utils() {
-	// given
-	let server = serve();
-
-	// when
-	let response = request(server,
-		"\
-			GET /parity-utils/inject.js HTTP/1.1\r\n\
-			Host: 127.0.0.1:8080\r\n\
-			Connection: close\r\n\
-			\r\n\
-			{}
-		"
-	);
-
-	// then
-	response.assert_status("HTTP/1.1 200 OK");
-	assert_eq!(response.body.contains("function(){"), true);
-	assert_security_headers(&response.headers);
-}
-

dapps/src/tests/rpc.rs

@@ -1,49 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-use jsonrpc_core::{IoHandler, Value};
-
-use tests::helpers::{serve_with_rpc, request};
-
-#[test]
-fn should_serve_rpc() {
-	// given
-	let mut io = IoHandler::default();
-	io.add_method("rpc_test", |_| {
-		Ok(Value::String("Hello World!".into()))
-	});
-	let server = serve_with_rpc(io);
-
-	// when
-	let req = r#"{"jsonrpc":"2.0","id":1,"method":"rpc_test","params":[]}"#;
-	let response = request(server, &format!(
-		"\
-			POST /rpc/ HTTP/1.1\r\n\
-			Host: 127.0.0.1:8080\r\n\
-			Connection: close\r\n\
-			Content-Type: application/json\r\n\
-			Content-Length: {}\r\n\
-			\r\n\
-			{}\r\n\
-		",
-		req.as_bytes().len(),
-		req,
-	));
-
-	// then
-	response.assert_status("HTTP/1.1 200 OK");
-	assert_eq!(response.body, "31\n{\"jsonrpc\":\"2.0\",\"result\":\"Hello World!\",\"id\":1}\n\n0\n\n".to_owned());
-}

dapps/src/tests/validation.rs

@@ -1,99 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-use tests::helpers::{serve_hosts, request};
-
-#[test]
-fn should_reject_invalid_host() {
-	// given
-	let server = serve_hosts(Some(vec!["localhost:8080".into()]));
-
-	// when
-	let response = request(server,
-		"\
-			GET / HTTP/1.1\r\n\
-			Host: 127.0.0.1:8080\r\n\
-			Connection: close\r\n\
-			\r\n\
-			{}
-		"
-	);
-
-	// then
-	assert_eq!(response.status, "HTTP/1.1 403 Forbidden".to_owned());
-	assert!(response.body.contains("Provided Host header is not whitelisted."), response.body);
-}
-
-#[test]
-fn should_allow_valid_host() {
-	// given
-	let server = serve_hosts(Some(vec!["localhost:8080".into()]));
-
-	// when
-	let response = request(server,
-		"\
-			GET /ui/ HTTP/1.1\r\n\
-			Host: localhost:8080\r\n\
-			Connection: close\r\n\
-			\r\n\
-			{}
-		"
-	);
-
-	// then
-	assert_eq!(response.status, "HTTP/1.1 200 OK".to_owned());
-}
-
-#[test]
-fn should_serve_dapps_domains() {
-	// given
-	let server = serve_hosts(Some(vec!["localhost:8080".into()]));
-
-	// when
-	let response = request(server,
-		"\
-			GET / HTTP/1.1\r\n\
-			Host: ui.web3.site\r\n\
-			Connection: close\r\n\
-			\r\n\
-			{}
-		"
-	);
-
-	// then
-	assert_eq!(response.status, "HTTP/1.1 200 OK".to_owned());
-}
-
-#[test]
-// NOTE [todr] This is required for error pages to be styled properly.
-fn should_allow_parity_utils_even_on_invalid_domain() {
-	// given
-	let server = serve_hosts(Some(vec!["localhost:8080".into()]));
-
-	// when
-	let response = request(server,
-		"\
-			GET /parity-utils/styles.css HTTP/1.1\r\n\
-			Host: 127.0.0.1:8080\r\n\
-			Connection: close\r\n\
-			\r\n\
-			{}
-		"
-	);
-
-	// then
-	assert_eq!(response.status, "HTTP/1.1 200 OK".to_owned());
-}

dapps/src/url.rs

@@ -1,150 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-//! HTTP/HTTPS URL type. Based on URL type from Iron library.
-
-use url_lib::{self};
-pub use url_lib::Host;
-
-/// HTTP/HTTPS URL type for Iron.
-#[derive(PartialEq, Eq, Clone, Debug)]
-pub struct Url {
-	/// Raw url of url
-	pub raw: url_lib::Url,
-
-	/// The host field of the URL, probably a domain.
-	pub host: Host,
-
-	/// The connection port.
-	pub port: u16,
-
-	/// The URL path, the resource to be accessed.
-	///
-	/// A *non-empty* vector encoding the parts of the URL path.
-	/// Empty entries of `""` correspond to trailing slashes.
-	pub path: Vec<String>,
-
-	/// The URL query.
-	pub query: Option<String>,
-
-	/// The URL username field, from the userinfo section of the URL.
-	///
-	/// `None` if the `@` character was not part of the input OR
-	/// if a blank username was provided.
-	/// Otherwise, a non-empty string.
-	pub username: Option<String>,
-
-	/// The URL password field, from the userinfo section of the URL.
-	///
-	/// `None` if the `@` character was not part of the input OR
-	/// if a blank password was provided.
-	/// Otherwise, a non-empty string.
-	pub password: Option<String>,
-}
-
-impl Url {
-	/// Create a URL from a string.
-	///
-	/// The input must be a valid URL with a special scheme for this to succeed.
-	///
-	/// HTTP and HTTPS are special schemes.
-	///
-	/// See: http://url.spec.whatwg.org/#special-scheme
-	pub fn parse(input: &str) -> Result<Url, String> {
-		// Parse the string using rust-url, then convert.
-		match url_lib::Url::parse(input) {
-			Ok(raw_url) => Url::from_generic_url(raw_url),
-			Err(e) => Err(format!("{}", e))
-		}
-	}
-
-	/// Create a `Url` from a `rust-url` `Url`.
-	pub fn from_generic_url(raw_url: url_lib::Url) -> Result<Url, String> {
-		// Map empty usernames to None.
-		let username = match raw_url.username() {
-			"" => None,
-			username => Some(username.to_owned())
-		};
-
-		// Map empty passwords to None.
-		let password = match raw_url.password() {
-			Some(password) if !password.is_empty() => Some(password.to_owned()),
-			_ => None,
-		};
-
-		let port = raw_url.port_or_known_default().ok_or_else(|| format!("Unknown port for scheme: `{}`", raw_url.scheme()))?;
-		let host = raw_url.host().ok_or_else(|| "Valid host, because only data:, mailto: protocols does not have host.".to_owned())?.to_owned();
-		let path = raw_url.path_segments().ok_or_else(|| "Valid path segments. In HTTP we won't get cannot-be-a-base URLs".to_owned())?
-					.map(|part| part.to_owned()).collect();
-		let query = raw_url.query().map(|x| x.to_owned());
-
-		Ok(Url {
-			port: port,
-			host: host,
-			path: path,
-			query: query,
-			raw: raw_url,
-			username: username,
-			password: password,
-		})
-	}
-}
-
-#[cfg(test)]
-mod test {
-    use super::Url;
-
-    #[test]
-    fn test_default_port() {
-        assert_eq!(Url::parse("http://example.com/wow").unwrap().port, 80u16);
-        assert_eq!(Url::parse("https://example.com/wow").unwrap().port, 443u16);
-    }
-
-    #[test]
-    fn test_explicit_port() {
-        assert_eq!(Url::parse("http://localhost:3097").unwrap().port, 3097u16);
-    }
-
-    #[test]
-    fn test_empty_username() {
-        assert!(Url::parse("http://@example.com").unwrap().username.is_none());
-        assert!(Url::parse("http://:password@example.com").unwrap().username.is_none());
-    }
-
-    #[test]
-    fn test_not_empty_username() {
-        let user = Url::parse("http://john:pass@example.com").unwrap().username;
-        assert_eq!(user.unwrap(), "john");
-
-        let user = Url::parse("http://john:@example.com").unwrap().username;
-        assert_eq!(user.unwrap(), "john");
-    }
-
-    #[test]
-    fn test_empty_password() {
-        assert!(Url::parse("http://michael@example.com").unwrap().password.is_none());
-        assert!(Url::parse("http://:@example.com").unwrap().password.is_none());
-    }
-
-    #[test]
-    fn test_not_empty_password() {
-        let pass = Url::parse("http://michael:pass@example.com").unwrap().password;
-        assert_eq!(pass.unwrap(), "pass");
-
-        let pass = Url::parse("http://:pass@example.com").unwrap().password;
-        assert_eq!(pass.unwrap(), "pass");
-    }
-}

dapps/src/web.rs

@@ -1,245 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-//! Serving web-based content (proxying)
-
-use std::sync::Arc;
-use fetch::{self, Fetch};
-use parity_reactor::Remote;
-
-use base32;
-use hyper::{self, server, net, Next, Encoder, Decoder};
-use hyper::status::StatusCode;
-
-use apps;
-use endpoint::{Endpoint, Handler, EndpointPath};
-use handlers::{
-	ContentFetcherHandler, ContentHandler, ContentValidator, ValidatorResponse,
-	StreamingHandler, extract_url,
-};
-use url::Url;
-use {Embeddable, WebProxyTokens};
-
-pub struct Web<F> {
-	embeddable_on: Embeddable,
-	web_proxy_tokens: Arc<WebProxyTokens>,
-	remote: Remote,
-	fetch: F,
-}
-
-impl<F: Fetch> Web<F> {
-	pub fn boxed(
-		embeddable_on: Embeddable,
-		web_proxy_tokens: Arc<WebProxyTokens>,
-		remote: Remote,
-		fetch: F,
-	) -> Box<Endpoint> {
-		Box::new(Web {
-			embeddable_on,
-			web_proxy_tokens,
-			remote,
-			fetch,
-		})
-	}
-}
-
-impl<F: Fetch> Endpoint for Web<F> {
-	fn to_async_handler(&self, path: EndpointPath, control: hyper::Control) -> Box<Handler> {
-		Box::new(WebHandler {
-			control: control,
-			state: State::Initial,
-			path: path,
-			remote: self.remote.clone(),
-			fetch: self.fetch.clone(),
-			web_proxy_tokens: self.web_proxy_tokens.clone(),
-			embeddable_on: self.embeddable_on.clone(),
-		})
-	}
-}
-
-struct WebInstaller {
-	embeddable_on: Embeddable,
-	referer: String,
-}
-
-impl ContentValidator for WebInstaller {
-	type Error = String;
-
-	fn validate_and_install(&self, response: fetch::Response) -> Result<ValidatorResponse, String> {
-		let status = StatusCode::from_u16(response.status().to_u16());
-		let is_html = response.is_html();
-		let mime = response.content_type().unwrap_or(mime!(Text/Html));
-		let mut handler = StreamingHandler::new(
-			response,
-			status,
-			mime,
-			self.embeddable_on.clone(),
-		);
-		if is_html {
-			handler.set_initial_content(&format!(
-				r#"<script src="/{}/inject.js"></script><script>history.replaceState({{}}, "", "/?{}{}/{}")</script>"#,
-				apps::UTILS_PATH,
-				apps::URL_REFERER,
-				apps::WEB_PATH,
-				&self.referer,
-			));
-		}
-		Ok(ValidatorResponse::Streaming(handler))
-	}
-}
-
-enum State<F: Fetch> {
-	Initial,
-	Error(ContentHandler),
-	Fetching(ContentFetcherHandler<WebInstaller, F>),
-}
-
-struct WebHandler<F: Fetch> {
-	control: hyper::Control,
-	state: State<F>,
-	path: EndpointPath,
-	remote: Remote,
-	fetch: F,
-	web_proxy_tokens: Arc<WebProxyTokens>,
-	embeddable_on: Embeddable,
-}
-
-impl<F: Fetch> WebHandler<F> {
-	fn extract_target_url(&self, url: Option<Url>) -> Result<String, State<F>> {
-		let token_and_url = self.path.app_params.get(0)
-			.map(|encoded| encoded.replace('.', ""))
-			.and_then(|encoded| base32::decode(base32::Alphabet::Crockford, &encoded.to_uppercase()))
-			.and_then(|data| String::from_utf8(data).ok())
-			.ok_or_else(|| State::Error(ContentHandler::error(
-				StatusCode::BadRequest,
-				"Invalid parameter",
-				"Couldn't parse given parameter:",
-				self.path.app_params.get(0).map(String::as_str),
-				self.embeddable_on.clone()
-			)))?;
-
-		let mut token_it = token_and_url.split('+');
-		let token = token_it.next();
-		let target_url = token_it.next();
-
-		// Check if token supplied in URL is correct.
-		let domain = match token.and_then(|token| self.web_proxy_tokens.domain(token)) {
-			Some(domain) => domain,
-			_ => {
-				return Err(State::Error(ContentHandler::error(
-					StatusCode::BadRequest, "Invalid Access Token", "Invalid or old web proxy access token supplied.", Some("Try refreshing the page."), self.embeddable_on.clone()
-				)));
-			}
-		};
-
-		// Validate protocol
-		let mut target_url = match target_url {
-			Some(url) if url.starts_with("http://") || url.starts_with("https://") => url.to_owned(),
-			_ => {
-				return Err(State::Error(ContentHandler::error(
-					StatusCode::BadRequest, "Invalid Protocol", "Invalid protocol used.", None, self.embeddable_on.clone()
-				)));
-			}
-		};
-
-		if !target_url.starts_with(&*domain) {
-			return Err(State::Error(ContentHandler::error(
-				StatusCode::BadRequest, "Invalid Domain", "Dapp attempted to access invalid domain.", Some(&target_url), self.embeddable_on.clone(),
-			)));
-		}
-
-		if !target_url.ends_with("/") {
-			target_url = format!("{}/", target_url);
-		}
-
-		// TODO [ToDr] Should just use `path.app_params`
-		let (path, query) = match (&url, self.path.using_dapps_domains) {
-			(&Some(ref url), true) => (&url.path[..], &url.query),
-			(&Some(ref url), false) => (&url.path[2..], &url.query),
-			_ => {
-				return Err(State::Error(ContentHandler::error(
-					StatusCode::BadRequest, "Invalid URL", "Couldn't parse URL", None, self.embeddable_on.clone()
-				)));
-			}
-		};
-
-		let query = match *query {
-			Some(ref query) => format!("?{}", query),
-			None => "".into(),
-		};
-
-		Ok(format!("{}{}{}", target_url, path.join("/"), query))
-	}
-}
-
-impl<F: Fetch> server::Handler<net::HttpStream> for WebHandler<F> {
-	fn on_request(&mut self, request: server::Request<net::HttpStream>) -> Next {
-		let url = extract_url(&request);
-		// First extract the URL (reject invalid URLs)
-		let target_url = match self.extract_target_url(url) {
-			Ok(url) => url,
-			Err(error) => {
-				self.state = error;
-				return Next::write();
-			}
-		};
-
-		let mut handler = ContentFetcherHandler::new(
-			target_url,
-			self.path.clone(),
-			self.control.clone(),
-			WebInstaller {
-				embeddable_on: self.embeddable_on.clone(),
-				referer: self.path.app_params.get(0)
-					.expect("`target_url` is valid; app_params is not empty;qed")
-					.to_owned(),
-			},
-			self.embeddable_on.clone(),
-			self.remote.clone(),
-			self.fetch.clone(),
-		);
-		let res = handler.on_request(request);
-		self.state = State::Fetching(handler);
-
-		res
-	}
-
-	fn on_request_readable(&mut self, decoder: &mut Decoder<net::HttpStream>) -> Next {
-		match self.state {
-			State::Initial => Next::end(),
-			State::Error(ref mut handler) => handler.on_request_readable(decoder),
-			State::Fetching(ref mut handler) => handler.on_request_readable(decoder),
-		}
-	}
-
-	fn on_response(&mut self, res: &mut server::Response) -> Next {
-		match self.state {
-			State::Initial => Next::end(),
-			State::Error(ref mut handler) => handler.on_response(res),
-			State::Fetching(ref mut handler) => handler.on_response(res),
-		}
-	}
-
-	fn on_response_writable(&mut self, encoder: &mut Encoder<net::HttpStream>) -> Next {
-		match self.state {
-			State::Initial => Next::end(),
-			State::Error(ref mut handler) => handler.on_response_writable(encoder),
-			State::Fetching(ref mut handler) => handler.on_response_writable(encoder),
-		}
-	}
-}
-
-

dapps/ui/Cargo.toml

@@ -1,19 +0,0 @@
-[package]
-description = "Ethcore Parity UI"
-homepage = "http://parity.io"
-license = "GPL-3.0"
-name = "parity-ui"
-version = "1.7.0"
-authors = ["Parity Technologies <admin@parity.io>"]
-
-[build-dependencies]
-rustc_version = "0.1"
-
-[dependencies]
-parity-ui-dev = { path = "../../js", optional = true }
-# This is managed by the js/scripts/release.sh script on CI - keep it in a single line
-parity-ui-precompiled = { git = "https://github.com/paritytech/js-precompiled.git", optional = true, branch = "beta" }
-
-[features]
-no-precompiled-js = ["parity-ui-dev"]
-use-precompiled-js = ["parity-ui-precompiled"]

dapps/ui/src/lib.rs

@@ -1,33 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-
-#[cfg(feature = "parity-ui-dev")]
-mod inner {
-	extern crate parity_ui_dev;
-
-	pub use self::parity_ui_dev::*;
-}
-
-#[cfg(feature = "parity-ui-precompiled")]
-mod inner {
-	extern crate parity_ui_precompiled;
-
-	pub use self::parity_ui_precompiled::*;
-}
-
-
-pub use self::inner::*;

devtools/Cargo.toml

@@ -1,10 +1,10 @@
 [package]
 description = "Ethcore development/test/build tools"
-homepage = "http://parity.io"
+homepage = "http://ethcore.io"
 license = "GPL-3.0"
 name = "ethcore-devtools"
-version = "1.7.0"
-authors = ["Parity Technologies <admin@parity.io>"]
+version = "1.0.0"
+authors = ["Ethcore <admin@ethcore.io>"]
 
 [dependencies]
 rand = "0.3"

devtools/README.md

@@ -0,0 +1 @@
+# ethcore dev tools

devtools/src/http_client.rs

@@ -1,123 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-use std::thread;
-use std::time::Duration;
-use std::io::{Read, Write};
-use std::str::{self, Lines};
-use std::net::{TcpStream, SocketAddr};
-
-pub struct Response {
-	pub status: String,
-	pub headers: Vec<String>,
-	pub headers_raw: String,
-	pub body: String,
-}
-
-impl Response {
-	pub fn assert_header(&self, header: &str, value: &str) {
-		let header = format!("{}: {}", header, value);
-		assert!(self.headers.iter().find(|h| *h == &header).is_some(), "Couldn't find header {} in {:?}", header, &self.headers)
-	}
-
-	pub fn assert_status(&self, status: &str) {
-		assert_eq!(self.status, status.to_owned(), "Got unexpected code. Body: {:?}", self.body);
-	}
-
-	pub fn assert_security_headers_present(&self, port: Option<u16>) {
-		assert_security_headers_present(&self.headers, port)
-	}
-}
-
-pub fn read_block(lines: &mut Lines, all: bool) -> String {
-	let mut block = String::new();
-	loop {
-		let line = lines.next();
-		match line {
-			None => break,
-			Some("") if !all => break,
-			Some(v) => {
-				block.push_str(v);
-				block.push_str("\n");
-			},
-		}
-	}
-	block
-}
-
-fn connect(address: &SocketAddr) -> TcpStream {
-	let mut retries = 0;
-	let mut last_error = None;
-	while retries < 10 {
-		retries += 1;
-
-		let res = TcpStream::connect(address);
-		match res {
-			Ok(stream) => {
-				return stream;
-			},
-			Err(e) => {
-				last_error = Some(e);
-				thread::sleep(Duration::from_millis(retries * 10));
-			}
-		}
-	}
-	panic!("Unable to connect to the server. Last error: {:?}", last_error);
-}
-
-pub fn request(address: &SocketAddr, request: &str) -> Response {
-	let mut req = connect(address);
-	req.set_read_timeout(Some(Duration::from_secs(2))).unwrap();
-	req.write_all(request.as_bytes()).unwrap();
-
-	let mut response = String::new();
-	let _ = req.read_to_string(&mut response);
-
-	let mut lines = response.lines();
-	let status = lines.next().expect("Expected a response").to_owned();
-	let headers_raw = read_block(&mut lines, false);
-	let headers = headers_raw.split('\n').map(|v| v.to_owned()).collect();
-	let body = read_block(&mut lines, true);
-
-	Response {
-		status: status,
-		headers: headers,
-		headers_raw: headers_raw,
-		body: body,
-	}
-}
-
-/// Check if all required security headers are present
-pub fn assert_security_headers_present(headers: &[String], port: Option<u16>) {
-	if let None = port {
-		assert!(
-			headers.iter().find(|header| header.as_str() == "X-Frame-Options: SAMEORIGIN").is_some(),
-			"X-Frame-Options: SAMEORIGIN missing: {:?}", headers
-		);
-	}
-	assert!(
-		headers.iter().find(|header| header.as_str() == "X-XSS-Protection: 1; mode=block").is_some(),
-		"X-XSS-Protection missing: {:?}", headers
-	);
-	assert!(
-		headers.iter().find(|header|  header.as_str() == "X-Content-Type-Options: nosniff").is_some(),
-		"X-Content-Type-Options missing: {:?}", headers
-	);
-	assert!(
-		headers.iter().find(|header| header.starts_with("Content-Security-Policy: ")).is_some(),
-		"Content-Security-Policy missing: {:?}", headers
-	)
-}

devtools/src/lib.rs

@@ -1,4 +1,4 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
+// Copyright 2015, 2016 Ethcore (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify
@@ -19,11 +19,6 @@
 
 extern crate rand;
 
-mod random_path;
-mod test_socket;
-mod stop_guard;
-pub mod http_client;
+pub mod random_path;
 
 pub use random_path::*;
-pub use test_socket::*;
-pub use stop_guard::*;

devtools/src/random_path.rs

@@ -1,4 +1,4 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
+// Copyright 2015, 2016 Ethcore (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify
@@ -19,20 +19,14 @@
 use std::path::*;
 use std::fs;
 use std::env;
-use std::ops::{Deref, DerefMut};
 use rand::random;
 
 pub struct RandomTempPath {
-	path: PathBuf,
-	pub panic_on_drop_failure: bool,
+	path: PathBuf
 }
 
 pub fn random_filename() -> String {
-	random_str(8)
-}
-
-pub fn random_str(len: usize) -> String {
-	(0..len).map(|_| ((random::<f32>() * 26.0) as u8 + 97) as char).collect()
+	(0..8).map(|_| ((random::<f32>() * 26.0) as u8 + 97) as char).collect()
 }
 
 impl RandomTempPath {
@@ -40,8 +34,7 @@ impl RandomTempPath {
 		let mut dir = env::temp_dir();
 		dir.push(random_filename());
 		RandomTempPath {
-			path: dir.clone(),
-			panic_on_drop_failure: true,
+			path: dir.clone()
 		}
 	}
 
@@ -50,8 +43,7 @@ impl RandomTempPath {
 		dir.push(random_filename());
 		fs::create_dir_all(dir.as_path()).unwrap();
 		RandomTempPath {
-			path: dir.clone(),
-			panic_on_drop_failure: true,
+			path: dir.clone()
 		}
 	}
 
@@ -62,67 +54,16 @@ impl RandomTempPath {
 	pub fn as_str(&self) -> &str {
 		self.path.to_str().unwrap()
 	}
-
-	pub fn new_in(&self, name: &str) -> String {
-		let mut path = self.path.clone();
-		path.push(name);
-		path.to_str().unwrap().to_owned()
-	}
-}
-
-impl AsRef<Path> for RandomTempPath {
-	fn as_ref(&self) -> &Path {
-		self.as_path()
-	}
-}
-impl Deref for RandomTempPath {
-	type Target = Path;
-	fn deref(&self) -> &Self::Target {
-		self.as_path()
-	}
 }
 
 impl Drop for RandomTempPath {
 	fn drop(&mut self) {
-		if let Err(_) = fs::remove_dir_all(&self) {
-			if let Err(e) = fs::remove_file(&self) {
-				if self.panic_on_drop_failure {
-					panic!("Failed to remove temp directory. Here's what prevented this from happening:  ({})", e);
-				}
-			}
+		if let Err(e) = fs::remove_dir_all(self.as_path()) {
+			panic!("failed to remove temp directory, probably something failed to destroyed ({})", e);
 		}
 	}
 }
 
-pub struct GuardedTempResult<T> {
-	pub result: Option<T>,
-	pub _temp: RandomTempPath,
-}
-
-impl<T> GuardedTempResult<T> {
-    pub fn reference(&self) -> &T {
-        self.result.as_ref().unwrap()
-    }
-
-    pub fn reference_mut(&mut self) -> &mut T {
-    	self.result.as_mut().unwrap()
-    }
-
-	pub fn take(&mut self) -> T {
-		self.result.take().unwrap()
-	}
-}
-
-impl<T> Deref for GuardedTempResult<T> {
-	type Target = T;
-
-	fn deref(&self) -> &T { self.result.as_ref().unwrap() }
-}
-
-impl<T> DerefMut for GuardedTempResult<T> {
-	fn deref_mut(&mut self) -> &mut T { self.result.as_mut().unwrap() }
-}
-
 #[test]
 fn creates_dir() {
 	let temp = RandomTempPath::create_dir();

devtools/src/stop_guard.rs

@@ -1,45 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-//! Stop guard mod
-
-use std::sync::Arc;
-use std::sync::atomic::*;
-
-/// Stop guard that will set a stop flag on drop
-pub struct StopGuard {
-	flag: Arc<AtomicBool>,
-}
-
-impl StopGuard {
-	/// Create a stop guard
-	pub fn new() -> StopGuard {
-		StopGuard {
-			flag: Arc::new(AtomicBool::new(false))
-		}
-	}
-
-	/// Share stop guard between the threads
-	pub fn share(&self) -> Arc<AtomicBool> {
-		self.flag.clone()
-	}
-}
-
-impl Drop for StopGuard {
-	fn drop(&mut self) {
-		self.flag.store(true, Ordering::Relaxed)
-	}
-}

devtools/src/test_socket.rs

@@ -1,95 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-use std::io::*;
-use std::cmp;
-
-pub struct TestSocket {
-	pub read_buffer: Vec<u8>,
-	pub write_buffer: Vec<u8>,
-	pub cursor: usize,
-	pub buf_size: usize,
-}
-
-impl Default for TestSocket {
-	fn default() -> Self {
-		TestSocket::new()
-	}
-}
-
-impl TestSocket {
-	pub fn new() -> Self {
-		TestSocket {
-			read_buffer: vec![],
-			write_buffer: vec![],
-			cursor: 0,
-			buf_size: 0,
-		}
-	}
-
-	pub fn new_buf(buf_size: usize) -> TestSocket {
-		TestSocket {
-			read_buffer: vec![],
-			write_buffer: vec![],
-			cursor: 0,
-			buf_size: buf_size,
-		}
-	}
-
-	pub fn new_ready(data: Vec<u8>) -> TestSocket {
-		TestSocket {
-			read_buffer: data,
-			write_buffer: vec![],
-			cursor: 0,
-			buf_size: 0,
-		}
-	}
-}
-
-impl Read for TestSocket {
-	fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
-		let end_position = cmp::min(self.read_buffer.len(), self.cursor+buf.len());
-		if self.cursor > end_position { return Ok(0) }
-		let len = cmp::max(end_position - self.cursor, 0);
-		match len {
-			0 => Ok(0),
-			_ => {
-				for i in self.cursor..end_position {
-					buf[i-self.cursor] = self.read_buffer[i];
-				}
-				self.cursor = end_position;
-				Ok(len)
-			}
-		}
-	}
-}
-
-impl Write for TestSocket {
-	fn write(&mut self, buf: &[u8]) -> Result<usize> {
-		if self.buf_size == 0 || buf.len() < self.buf_size {
-			self.write_buffer.extend(buf.iter().cloned());
-			Ok(buf.len())
-		}
-		else {
-			self.write_buffer.extend(buf.iter().take(self.buf_size).cloned());
-			Ok(self.buf_size)
-		}
-	}
-
-	fn flush(&mut self) -> Result<()> {
-		unimplemented!();
-	}
-}

doc.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+# generate documentation only for partiy and ethcore libraries
+
+cargo doc --no-deps --verbose \
+	-p ethash \
+	-p ethcore-util \
+	-p ethcore \
+	-p ethsync \
+	-p ethcore-rpc \
+	-p parity \
+	-p ethminer

docker/README.md

@@ -1,3 +0,0 @@
-Usage
-
-```docker build -f docker/ubuntu/Dockerfile --tag ethcore/parity:branch_or_tag_name .```

docker/centos/Dockerfile

@@ -1,36 +0,0 @@
-FROM centos:latest
-WORKDIR /build
-
-# install tools and dependencies
-RUN yum -y update&& \
-    yum install -y git make gcc-c++ gcc file binutils
-
-# install rustup
-RUN curl -sSf https://static.rust-lang.org/rustup.sh -o rustup.sh &&\
-ls&&\
- sh rustup.sh --disable-sudo
-
-# show backtraces
-ENV RUST_BACKTRACE 1
-
-# set compiler
-ENV CXX g++
-ENV CC gcc
-
-# show tools
-RUN rustc -vV && \
-cargo -V && \
-gcc -v &&\
-g++ -v
-
-# build parity
-ADD . /build/parity
-RUN cd parity&&\
-    cargo build --release --verbose && \
-	ls /build/parity/target/release/parity &&	\
-	strip /build/parity/target/release/parity
-
-RUN file /build/parity/target/release/parity
-
-EXPOSE 8080 8545 8180
-ENTRYPOINT ["/build/parity/target/release/parity"]

docker/hub/Dockerfile

@@ -1,83 +0,0 @@
-FROM ubuntu:14.04
-MAINTAINER Parity Technologies <devops@parity.io>
-WORKDIR /build
-#ENV for build TAG
-ARG BUILD_TAG
-ENV BUILD_TAG ${BUILD_TAG:-master}
-RUN echo "Build tag:" $BUILD_TAG
-# install tools and dependencies
-RUN apt-get update && \
-        apt-get install -y --force-yes --no-install-recommends \
-        # make
-        build-essential \
-        # add-apt-repository
-        software-properties-common \
-        make \
-        curl \
-        wget \
-        git \
-        g++ \
-        gcc \
-        libc6 \
-        libc6-dev \
-        binutils \
-        file \
-        openssl \
-        libssl-dev \
-        libudev-dev \
-        pkg-config \
-        dpkg-dev \
-        # evmjit dependencies
-        zlib1g-dev \
-        libedit-dev \
-	libudev-dev &&\
-# cmake and llvm ppa's. then update ppa's
- add-apt-repository -y "ppa:george-edison55/cmake-3.x" && \
-        add-apt-repository "deb http://llvm.org/apt/trusty/ llvm-toolchain-trusty-3.7 main" && \
-        apt-get update && \
-        apt-get install -y --force-yes cmake llvm-3.7-dev && \
-# install evmjit
- git clone https://github.com/debris/evmjit && \
-        cd evmjit && \
-        mkdir build && cd build && \
-        cmake .. && make && make install && cd && \
-# install rustup
- curl https://sh.rustup.rs -sSf | sh -s -- -y && \
-# rustup directory
- PATH=/root/.cargo/bin:$PATH && \
-# show backtraces
- RUST_BACKTRACE=1 && \
-# build parity
-cd /build&&git clone https://github.com/paritytech/parity && \
-        cd parity && \
-	git pull&& \
-	git checkout $BUILD_TAG && \
-        cargo build --verbose --release --features final && \
-        #ls /build/parity/target/release/parity && \
-        strip /build/parity/target/release/parity && \
- file /build/parity/target/release/parity&&mkdir -p /parity&& cp /build/parity/target/release/parity /parity&&\
-#cleanup Docker image
- rm -rf /root/.cargo&&rm -rf /root/.multirust&&rm -rf /root/.rustup&&rm -rf /build&&\
- apt-get purge -y  \
-        # make
-        build-essential \
-        # add-apt-repository
-        software-properties-common \
-        make \
-        curl \
-        wget \
-        git \
-        g++ \
-        gcc \
-        binutils \
-        file \
-        pkg-config \
-        dpkg-dev \
-        # evmjit dependencies
-        zlib1g-dev \
-        libedit-dev \
-        cmake llvm-3.7-dev&&\
- rm -rf /var/lib/apt/lists/*
-# setup ENTRYPOINT
-EXPOSE 8080 8545 8180
-ENTRYPOINT ["/parity/parity"]

docker/ubuntu-aarch64/Dockerfile

@@ -1,45 +0,0 @@
-FROM ubuntu:14.04
-WORKDIR /build
-
-# install tools and dependencies
-RUN apt-get -y update && \
-        apt-get install -y --force-yes --no-install-recommends \
-        curl git make g++ gcc-aarch64-linux-gnu g++-aarch64-linux-gnu \
-        libc6-arm64-cross libc6-dev-arm64-cross wget file ca-certificates \
-        binutils-aarch64-linux-gnu \
-        && \
-    apt-get clean
-
-# install rustup
-RUN curl https://sh.rustup.rs -sSf | sh -s -- -y
-
-# rustup directory
-ENV PATH /root/.cargo/bin:$PATH
-
-ENV RUST_TARGETS="aarch64-unknown-linux-gnu"
-
-# multirust add arm--linux-gnuabhf toolchain
-RUN rustup target add aarch64-unknown-linux-gnu
-
-# show backtraces
-ENV RUST_BACKTRACE 1
-
-# show tools
-RUN rustc -vV && cargo -V
-
-# build parity
-ADD . /build/parity
-RUN cd parity && \
-        mkdir -p .cargo && \
-        echo '[target.aarch64-unknown-linux-gnu]\n\
-        linker = "aarch64-linux-gnu-gcc"\n'\
-        >>.cargo/config && \
-        cat .cargo/config && \
-        cargo build --target aarch64-unknown-linux-gnu --release --verbose && \
-        ls /build/parity/target/aarch64-unknown-linux-gnu/release/parity &&     \
-        /usr/bin/aarch64-linux-gnu-strip /build/parity/target/aarch64-unknown-linux-gnu/release/parity
-
-RUN file /build/parity/target/aarch64-unknown-linux-gnu/release/parity
-
-EXPOSE 8080 8545 8180
-ENTRYPOINT ["/build/parity/target/aarch64-unknown-linux-gnu/release/parity"]

docker/ubuntu-arm/Dockerfile

@@ -1,45 +0,0 @@
-FROM ubuntu:14.04
-WORKDIR /build
-
-# install tools and dependencies
-RUN apt-get -y update && \
-        apt-get install -y --force-yes --no-install-recommends \
-        curl git make g++ gcc-arm-linux-gnueabihf g++-arm-linux-gnueabihf \
-        libc6-dev-armhf-cross wget file ca-certificates \
-        binutils-arm-linux-gnueabihf \
-        && \
-    apt-get clean
-
-# install rustup
-RUN curl https://sh.rustup.rs -sSf | sh -s -- -y
-
-# rustup directory
-ENV PATH /root/.cargo/bin:$PATH
-
-ENV RUST_TARGETS="arm-unknown-linux-gnueabihf"
-
-# multirust add arm--linux-gnuabhf toolchain
-RUN rustup target add armv7-unknown-linux-gnueabihf
-
-# show backtraces
-ENV RUST_BACKTRACE 1
-
-# show tools
-RUN rustc -vV && cargo -V
-
-# build parity
-ADD . /build/parity
-RUN cd parity && \
-        mkdir -p .cargo && \
-        echo '[target.armv7-unknown-linux-gnueabihf]\n\
-        linker = "arm-linux-gnueabihf-gcc"\n'\
-        >>.cargo/config && \
-        cat .cargo/config && \
-        cargo build --target armv7-unknown-linux-gnueabihf --release --verbose && \
-        ls /build/parity/target/armv7-unknown-linux-gnueabihf/release/parity && \
-        /usr/bin/arm-linux-gnueabihf-strip /build/parity/target/armv7-unknown-linux-gnueabihf/release/parity
-
-RUN file /build/parity/target/armv7-unknown-linux-gnueabihf/release/parity
-
-EXPOSE 8080 8545 8180
-ENTRYPOINT ["/build/parity/target/armv7-unknown-linux-gnueabihf/release/parity"]

docker/ubuntu-dev/Dockerfile

@@ -0,0 +1,37 @@
+FROM ubuntu:14.04
+
+# install tools and dependencies
+RUN apt-get update && \
+	apt-get install -y \
+	# make
+	build-essential \
+	# add-apt-repository
+	software-properties-common \
+	curl \
+	g++ \
+	wget \
+	git \
+	# evmjit dependencies
+	zlib1g-dev \
+	libedit-dev
+
+# cmake, llvm and rocksdb ppas. then update ppas
+RUN add-apt-repository -y "ppa:george-edison55/cmake-3.x" && \
+	add-apt-repository "deb http://llvm.org/apt/trusty/ llvm-toolchain-trusty-3.7 main" && \
+	apt-get update && \
+	apt-get install -y --force-yes cmake llvm-3.7-dev
+
+# install evmjit
+RUN git clone https://github.com/debris/evmjit && \
+	cd evmjit && \
+	mkdir build && cd build && \
+	cmake .. && make && make install && cd
+
+# install multirust
+RUN curl -sf https://raw.githubusercontent.com/brson/multirust/master/blastoff.sh | sh -s -- --yes
+
+# export rust LIBRARY_PATH
+ENV LIBRARY_PATH /usr/local/lib
+
+# show backtraces
+ENV RUST_BACKTRACE 1

docker/ubuntu-jit/Dockerfile

@@ -1,58 +1,42 @@
 FROM ubuntu:14.04
-WORKDIR /build
 
 # install tools and dependencies
 RUN apt-get update && \
-        apt-get install -y \
-        # make
-        build-essential \
-        # add-apt-repository
-        software-properties-common \
-        curl \
-        wget \
-        git \
-        g++ \
-        binutils \
-        file \
-        # evmjit dependencies
-        zlib1g-dev \
-        libedit-dev
+	apt-get install -y \
+	# make
+	build-essential \
+	# add-apt-repository
+	software-properties-common \
+	curl \
+	wget \
+	git \
+	g++ \
+	# evmjit dependencies
+	zlib1g-dev \
+	libedit-dev
 
-# cmake and llvm ppas. then update ppas
+# cmake, llvm and rocksdb ppas. then update ppas
 RUN add-apt-repository -y "ppa:george-edison55/cmake-3.x" && \
-        add-apt-repository "deb http://llvm.org/apt/trusty/ llvm-toolchain-trusty-3.7 main" && \
-        apt-get update && \
-        apt-get install -y --force-yes cmake llvm-3.7-dev
+	add-apt-repository "deb http://llvm.org/apt/trusty/ llvm-toolchain-trusty-3.7 main" && \
+	apt-get update && \
+	apt-get install -y --force-yes cmake llvm-3.7-dev
 
 # install evmjit
 RUN git clone https://github.com/debris/evmjit && \
-        cd evmjit && \
-        mkdir build && cd build && \
-        cmake .. && make && make install && cd
+	cd evmjit && \
+	mkdir build && cd build && \
+	cmake .. && make && make install && cd
 
-# install rustup
-RUN curl https://sh.rustup.rs -sSf | sh -s -- -y
+# install multirust
+RUN curl -sf https://raw.githubusercontent.com/brson/multirust/master/blastoff.sh | sh -s -- --yes
 
-# rustup directory
-ENV PATH /root/.cargo/bin:$PATH
+# export rust LIBRARY_PATH
+ENV LIBRARY_PATH /usr/local/lib
 
 # show backtraces
 ENV RUST_BACKTRACE 1
 
-# show tools
-RUN rustc -vV && \
-cargo -V && \
-gcc -v &&\
-g++ -v
-
 # build parity
-ADD . /build/parity
-RUN cd parity && \
-        cargo build --release --features ethcore/jit --verbose && \
-        ls /build/parity/target/release/parity &&       \
-        strip /build/parity/target/release/parity
-
-RUN file /build/parity/target/release/parity
-
-EXPOSE 8080 8545 8180
-ENTRYPOINT ["/build/parity/target/release/parity"]
+RUN git clone https://github.com/ethcore/parity && \
+	cd parity && \
+	cargo build --release --features ethcore/jit

docker/ubuntu/Dockerfile

@@ -1,42 +1,23 @@
 FROM ubuntu:14.04
-WORKDIR /build
 
 # install tools and dependencies
 RUN apt-get update && \
-        apt-get install -y \
-        g++ \
-        build-essential \
-        curl \
-        git \
-        file \
-        binutils \
-        libssl-dev \
-        pkg-config \
-        libudev-dev
+	apt-get install -y \
+	g++ \
+	curl \
+	git \
+	make
 
-# install rustup
-RUN curl https://sh.rustup.rs -sSf | sh -s -- -y
+# install multirust
+RUN curl -sf https://raw.githubusercontent.com/brson/multirust/master/blastoff.sh | sh -s -- --yes
 
-# rustup directory
-ENV PATH /root/.cargo/bin:$PATH
+# export rust LIBRARY_PATH
+ENV LIBRARY_PATH /usr/local/lib
 
 # show backtraces
 ENV RUST_BACKTRACE 1
 
-# show tools
-RUN rustc -vV && \
-cargo -V && \
-gcc -v &&\
-g++ -v
-
 # build parity
-ADD . /build/parity
-RUN cd parity && \
-        cargo build --release --verbose && \
-        ls /build/parity/target/release/parity && \
-        strip /build/parity/target/release/parity
-
-RUN file /build/parity/target/release/parity
-
-EXPOSE 8080 8545 8180
-ENTRYPOINT ["/build/parity/target/release/parity"]
+RUN git clone https://github.com/ethcore/parity && \
+	cd parity && \
+	cargo build --release

ethash/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "ethash"
-version = "1.7.0"
-authors = ["Parity Technologies <admin@parity.io>"]
+version = "1.0.0"
+authors = ["arkpar <arkadiy@ethcore.io"]
 
 [lib]
 
@@ -9,4 +9,3 @@ authors = ["Parity Technologies <admin@parity.io>"]
 log = "0.3"
 sha3 = { path = "../util/sha3" }
 primal = "0.2.3"
-parking_lot = "0.4"

ethash/src/compute.rs

@@ -1,4 +1,4 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
+// Copyright 2015, 2016 Ethcore (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify
@@ -20,17 +20,14 @@
 // TODO: fix endianess for big endian
 
 use primal::is_prime;
-use std::cell::Cell;
 use std::mem;
 use std::ptr;
 use sha3;
 use std::slice;
-use std::path::{Path, PathBuf};
-use std::io::{self, Read, Write};
+use std::path::PathBuf;
+use std::io::{Read, Write, self};
 use std::fs::{self, File};
 
-use parking_lot::Mutex;
-
 pub const ETHASH_EPOCH_LENGTH: u64 = 30000;
 pub const ETHASH_CACHE_ROUNDS: usize = 3;
 pub const ETHASH_MIX_BYTES: usize = 128;
@@ -45,14 +42,14 @@ const NODE_WORDS: usize = 64 / 4;
 const NODE_BYTES: usize = 64;
 const MIX_WORDS: usize = ETHASH_MIX_BYTES / 4;
 const MIX_NODES: usize = MIX_WORDS / NODE_WORDS;
-const FNV_PRIME: u32 = 0x01000193;
+const FNV_PRIME: u32 =  0x01000193;
 
 /// Computation result
 pub struct ProofOfWork {
 	/// Difficulty boundary
 	pub value: H256,
 	/// Mix
-	pub mix_hash: H256,
+	pub mix_hash: H256
 }
 
 struct Node {
@@ -86,17 +83,15 @@ impl Node {
 pub type H256 = [u8; 32];
 
 pub struct Light {
-	cache_dir: PathBuf,
 	block_number: u64,
 	cache: Vec<Node>,
-	seed_compute: Mutex<SeedHashCompute>,
 }
 
-/// Light cache structure
+/// Light cache structur
 impl Light {
 	/// Create a new light cache for a given block number
-	pub fn new<T: AsRef<Path>>(cache_dir: T, block_number: u64) -> Light {
-		light_new(cache_dir, block_number)
+	pub fn new(block_number: u64) -> Light {
+		light_new(block_number)
 	}
 
 	/// Calculate the light boundary data
@@ -106,108 +101,46 @@ impl Light {
 		light_compute(self, header_hash, nonce)
 	}
 
-	pub fn file_path<T: AsRef<Path>>(cache_dir: T, seed_hash: H256) -> PathBuf {
-		let mut cache_dir = cache_dir.as_ref().to_path_buf();
-		cache_dir.push(to_hex(&seed_hash));
-		cache_dir
+	pub fn file_path(block_number: u64) -> PathBuf {
+		let mut home = ::std::env::home_dir().unwrap();
+		home.push(".ethash");
+		home.push("light");
+		let seed_hash = get_seedhash(block_number);
+		home.push(to_hex(&seed_hash));
+		home
 	}
 
-	pub fn from_file<T: AsRef<Path>>(cache_dir: T, block_number: u64) -> io::Result<Light> {
-		let seed_compute = SeedHashCompute::new();
-		let path = Light::file_path(&cache_dir, seed_compute.get_seedhash(block_number));
-		let mut file = File::open(path)?;
+	pub fn from_file(block_number: u64) -> io::Result<Light> {
+		let path = Light::file_path(block_number);
+		let mut file = try!(File::open(path));
 
 		let cache_size = get_cache_size(block_number);
-		if file.metadata()?.len() != cache_size as u64 {
+		if try!(file.metadata()).len() != cache_size as u64 {
 			return Err(io::Error::new(io::ErrorKind::Other, "Cache file size mismatch"));
 		}
 		let num_nodes = cache_size / NODE_BYTES;
-		let mut nodes: Vec<Node> = Vec::with_capacity(num_nodes);
+		let mut nodes: Vec<Node> = Vec::new();
 		nodes.resize(num_nodes, unsafe { mem::uninitialized() });
 		let buf = unsafe { slice::from_raw_parts_mut(nodes.as_mut_ptr() as *mut u8, cache_size) };
-		file.read_exact(buf)?;
+		try!(file.read_exact(buf));
 		Ok(Light {
-			block_number,
-			cache_dir: cache_dir.as_ref().to_path_buf(),
 			cache: nodes,
-			seed_compute: Mutex::new(seed_compute),
+			block_number: block_number,
 		})
 	}
 
-	pub fn to_file(&self) -> io::Result<PathBuf> {
-		let seed_compute = self.seed_compute.lock();
-		let path = Light::file_path(&self.cache_dir, seed_compute.get_seedhash(self.block_number));
-
-		if self.block_number >= ETHASH_EPOCH_LENGTH * 2 {
-			let deprecated = Light::file_path(
-				&self.cache_dir,
-				seed_compute.get_seedhash(self.block_number - ETHASH_EPOCH_LENGTH * 2)
-			);
-
-			if deprecated.exists() {
-				debug!(target: "ethash", "removing: {:?}", &deprecated);
-				fs::remove_file(deprecated)?;
-			}
-		}
-
-		fs::create_dir_all(path.parent().unwrap())?;
-		let mut file = File::create(&path)?;
+	pub fn to_file(&self) -> io::Result<()> {
+		let path = Light::file_path(self.block_number);
+		try!(fs::create_dir_all(path.parent().unwrap()));
+		let mut file = try!(File::create(path));
 
 		let cache_size = self.cache.len() * NODE_BYTES;
 		let buf = unsafe { slice::from_raw_parts(self.cache.as_ptr() as *const u8, cache_size) };
-		file.write(buf)?;
-		Ok(path)
+		try!(file.write(buf));
+		Ok(())
 	}
 }
 
-pub struct SeedHashCompute {
-	prev_epoch: Cell<u64>,
-	prev_seedhash: Cell<H256>,
-}
-
-impl SeedHashCompute {
-	#[inline]
-	pub fn new() -> SeedHashCompute {
-		SeedHashCompute {
-			prev_epoch: Cell::new(0),
-			prev_seedhash: Cell::new([0u8; 32]),
-		}
-	}
-
-	#[inline]
-	fn reset_cache(&self) {
-		self.prev_epoch.set(0);
-		self.prev_seedhash.set([0u8; 32]);
-	}
-
-	#[inline]
-	pub fn get_seedhash(&self, block_number: u64) -> H256 {
-		let epoch = block_number / ETHASH_EPOCH_LENGTH;
-		if epoch < self.prev_epoch.get() {
-			// can't build on previous hash if requesting an older block
-			self.reset_cache();
-		}
-		if epoch > self.prev_epoch.get() {
-			let seed_hash = SeedHashCompute::resume_compute_seedhash(self.prev_seedhash.get(), self.prev_epoch.get(), epoch);
-			self.prev_seedhash.set(seed_hash);
-			self.prev_epoch.set(epoch);
-		}
-		self.prev_seedhash.get()
-	}
-
-	#[inline]
-	pub fn resume_compute_seedhash(mut hash: H256, start_epoch: u64, end_epoch: u64) -> H256 {
-		for _ in start_epoch..end_epoch {
-			unsafe { sha3::sha3_256(hash[..].as_mut_ptr(), 32, hash[..].as_ptr(), 32) };
-		}
-		hash
-	}
-}
-
-pub fn slow_get_seedhash(block_number: u64) -> H256 {
-	SeedHashCompute::resume_compute_seedhash([0u8; 32], 0, block_number / ETHASH_EPOCH_LENGTH)
-}
-
 #[inline]
 fn fnv_hash(x: u32, y: u32) -> u32 {
 	return x.wrapping_mul(FNV_PRIME) ^ y;
@@ -220,24 +153,34 @@ fn sha3_512(input: &[u8], output: &mut [u8]) {
 
 #[inline]
 fn get_cache_size(block_number: u64) -> usize {
-	let mut sz: u64 = CACHE_BYTES_INIT + CACHE_BYTES_GROWTH * (block_number / ETHASH_EPOCH_LENGTH);
-	sz = sz - NODE_BYTES as u64;
-	while !is_prime(sz / NODE_BYTES as u64) {
-		sz = sz - 2 * NODE_BYTES as u64;
-	}
-	sz as usize
+    let mut sz: u64 = CACHE_BYTES_INIT + CACHE_BYTES_GROWTH * (block_number / ETHASH_EPOCH_LENGTH);
+    sz = sz - NODE_BYTES as u64;
+    while !is_prime(sz / NODE_BYTES as u64) {
+        sz = sz - 2 * NODE_BYTES as u64;
+    }
+    sz as usize
 }
 
 #[inline]
 fn get_data_size(block_number: u64) -> usize {
-	let mut sz: u64 = DATASET_BYTES_INIT + DATASET_BYTES_GROWTH * (block_number / ETHASH_EPOCH_LENGTH);
-	sz = sz - ETHASH_MIX_BYTES as u64;
-	while !is_prime(sz / ETHASH_MIX_BYTES as u64) {
-		sz = sz - 2 * ETHASH_MIX_BYTES as u64;
-	}
-	sz as usize
+    let mut sz: u64 = DATASET_BYTES_INIT + DATASET_BYTES_GROWTH * (block_number / ETHASH_EPOCH_LENGTH);
+    sz = sz - ETHASH_MIX_BYTES as u64;
+    while !is_prime(sz / ETHASH_MIX_BYTES as u64) {
+        sz = sz - 2 * ETHASH_MIX_BYTES as u64;
+    }
+    sz as usize
 }
 
+#[inline]
+/// Given the `block_number`, determine the seed hash for Ethash.
+pub fn get_seedhash(block_number: u64) -> H256 {
+	let epochs = block_number / ETHASH_EPOCH_LENGTH;
+	let mut ret: H256 = [0u8; 32];
+	for _ in 0..epochs {
+		unsafe { sha3::sha3_256(ret[..].as_mut_ptr(), 32, ret[..].as_ptr(), 32) };
+	}
+	ret
+}
 
 /// Difficulty quick check for POW preverification
 ///
@@ -268,12 +211,12 @@ pub fn light_compute(light: &Light, header_hash: &H256, nonce: u64) -> ProofOfWo
 	hash_compute(light, full_size, header_hash, nonce)
 }
 
-fn hash_compute(light: &Light, full_size: usize, header_hash: &H256, nonce: u64) -> ProofOfWork {
+fn hash_compute(light: &Light, full_size: usize,  header_hash: &H256, nonce: u64) -> ProofOfWork {
 	if full_size % MIX_WORDS != 0 {
 		panic!("Unaligned full size");
 	}
 	// pack hash and nonce together into first 40 bytes of s_mix
-	let mut s_mix: [Node; MIX_NODES + 1] = [Node::default(), Node::default(), Node::default()];
+	let mut s_mix: [Node; MIX_NODES + 1] = [ Node::default(), Node::default(), Node::default() ];
 	unsafe { ptr::copy_nonoverlapping(header_hash.as_ptr(), s_mix.get_unchecked_mut(0).bytes.as_mut_ptr(), 32) };
 	unsafe { ptr::copy_nonoverlapping(mem::transmute(&nonce), s_mix.get_unchecked_mut(0).bytes[32..].as_mut_ptr(), 8) };
 
@@ -287,12 +230,11 @@ fn hash_compute(light: &Light, full_size: usize, header_hash: &H256, nonce: u64)
 
 		let page_size = 4 * MIX_WORDS;
 		let num_full_pages = (full_size / page_size) as u32;
-		let cache: &[Node] = &light.cache;  // deref once for better performance
 
 		for i in 0..(ETHASH_ACCESSES as u32) {
 			let index = fnv_hash(f_mix.get_unchecked(0).as_words().get_unchecked(0) ^ i, *mix.get_unchecked(0).as_words().get_unchecked((i as usize) % MIX_WORDS)) % num_full_pages;
 			for n in 0..MIX_NODES {
-				let tmp_node = calculate_dag_item(index * MIX_NODES as u32 + n as u32, cache);
+				let tmp_node = calculate_dag_item(index * MIX_NODES as u32 + n as u32, light);
 				for w in 0..NODE_WORDS {
 					*mix.get_unchecked_mut(n).as_words_mut().get_unchecked_mut(w) = fnv_hash(*mix.get_unchecked(n).as_words().get_unchecked(w), *tmp_node.as_words().get_unchecked(w));
 				}
@@ -315,7 +257,7 @@ fn hash_compute(light: &Light, full_size: usize, header_hash: &H256, nonce: u64)
 		ptr::copy_nonoverlapping(mix.get_unchecked_mut(0).bytes.as_ptr(), buf[64..].as_mut_ptr(), 32);
 		ptr::copy_nonoverlapping(mix.get_unchecked_mut(0).bytes.as_ptr(), mix_hash.as_mut_ptr(), 32);
 		let mut value: H256 = [0u8; 32];
-		sha3::sha3_256(value.as_mut_ptr(), value.len(), buf.as_ptr(), buf.len());
+		sha3::sha3_256(value.as_mut_ptr(), value.len(),  buf.as_ptr(), buf.len());
 		ProofOfWork {
 			mix_hash: mix_hash,
 			value: value,
@@ -323,17 +265,18 @@ fn hash_compute(light: &Light, full_size: usize, header_hash: &H256, nonce: u64)
 	}
 }
 
-fn calculate_dag_item(node_index: u32, cache: &[Node]) -> Node {
+fn calculate_dag_item(node_index: u32, light: &Light) -> Node {
 	unsafe {
-		let num_parent_nodes = cache.len();
-		let init = cache.get_unchecked(node_index as usize % num_parent_nodes);
+		let num_parent_nodes = light.cache.len();
+		let cache_nodes = &light.cache;
+		let init = cache_nodes.get_unchecked(node_index as usize % num_parent_nodes);
 		let mut ret = init.clone();
 		*ret.as_words_mut().get_unchecked_mut(0) ^= node_index;
 		sha3::sha3_512(ret.bytes.as_mut_ptr(), ret.bytes.len(), ret.bytes.as_ptr(), ret.bytes.len());
 
 		for i in 0..ETHASH_DATASET_PARENTS {
 			let parent_index = fnv_hash(node_index ^ i, *ret.as_words().get_unchecked(i as usize % NODE_WORDS)) % num_parent_nodes as u32;
-			let parent = cache.get_unchecked(parent_index as usize);
+			let parent = cache_nodes.get_unchecked(parent_index as usize);
 			for w in 0..NODE_WORDS {
 				*ret.as_words_mut().get_unchecked_mut(w) = fnv_hash(*ret.as_words().get_unchecked(w), *parent.as_words().get_unchecked(w));
 			}
@@ -343,12 +286,13 @@ fn calculate_dag_item(node_index: u32, cache: &[Node]) -> Node {
 	}
 }
 
-fn light_new<T: AsRef<Path>>(cache_dir: T, block_number: u64) -> Light {
-	let seed_compute = SeedHashCompute::new();
-	let seedhash = seed_compute.get_seedhash(block_number);
+fn light_new(block_number: u64) -> Light {
+	let seedhash = get_seedhash(block_number);
 	let cache_size = get_cache_size(block_number);
 
-	assert!(cache_size % NODE_BYTES == 0, "Unaligned cache size");
+	if cache_size % NODE_BYTES != 0 {
+		panic!("Unaligned cache size");
+	}
 	let num_nodes = cache_size / NODE_BYTES;
 
 	let mut nodes = Vec::with_capacity(num_nodes);
@@ -364,7 +308,7 @@ fn light_new<T: AsRef<Path>>(cache_dir: T, block_number: u64) -> Light {
 				let idx = *nodes.get_unchecked_mut(i).as_words().get_unchecked(0) as usize % num_nodes;
 				let mut data = nodes.get_unchecked((num_nodes - 1 + i) % num_nodes).clone();
 				for w in 0..NODE_WORDS {
-					*data.as_words_mut().get_unchecked_mut(w) ^= *nodes.get_unchecked(idx).as_words().get_unchecked(w);
+					*data.as_words_mut().get_unchecked_mut(w) ^= *nodes.get_unchecked(idx).as_words().get_unchecked(w) ;
 				}
 				sha3_512(&data.bytes, &mut nodes.get_unchecked_mut(i).bytes);
 			}
@@ -372,14 +316,12 @@ fn light_new<T: AsRef<Path>>(cache_dir: T, block_number: u64) -> Light {
 	}
 
 	Light {
-		block_number,
-		cache_dir: cache_dir.as_ref().to_path_buf(),
 		cache: nodes,
-		seed_compute: Mutex::new(seed_compute),
+		block_number: block_number,
 	}
 }
 
-static CHARS: &'static [u8] = b"0123456789abcdef";
+static CHARS: &'static[u8] = b"0123456789abcdef";
 fn to_hex(bytes: &[u8]) -> String {
 	let mut v = Vec::with_capacity(bytes.len() * 2);
 	for &byte in bytes.iter() {
@@ -387,7 +329,9 @@ fn to_hex(bytes: &[u8]) -> String {
 		v.push(CHARS[(byte & 0xf) as usize]);
 	}
 
-	unsafe { String::from_utf8_unchecked(v) }
+	unsafe {
+		String::from_utf8_unchecked(v)
+	}
 }
 
 #[test]
@@ -417,8 +361,8 @@ fn test_get_data_size() {
 
 #[test]
 fn test_difficulty_test() {
-	let hash = [0xf5, 0x7e, 0x6f, 0x3a, 0xcf, 0xc0, 0xdd, 0x4b, 0x5b, 0xf2, 0xbe, 0xe4, 0x0a, 0xb3, 0x35, 0x8a, 0xa6, 0x87, 0x73, 0xa8, 0xd0, 0x9f, 0x5e, 0x59, 0x5e, 0xab, 0x55, 0x94, 0x05, 0x52, 0x7d, 0x72];
-	let mix_hash = [0x1f, 0xff, 0x04, 0xce, 0xc9, 0x41, 0x73, 0xfd, 0x59, 0x1e, 0x3d, 0x89, 0x60, 0xce, 0x6b, 0xdf, 0x8b, 0x19, 0x71, 0x04, 0x8c, 0x71, 0xff, 0x93, 0x7b, 0xb2, 0xd3, 0x2a, 0x64, 0x31, 0xab, 0x6d];
+	let hash = [0xf5, 0x7e, 0x6f, 0x3a, 0xcf, 0xc0, 0xdd, 0x4b, 0x5b, 0xf2, 0xbe, 0xe4, 0x0a, 0xb3, 0x35, 0x8a, 0xa6, 0x87, 0x73, 0xa8, 0xd0, 0x9f, 0x5e, 0x59, 0x5e, 0xab, 0x55, 0x94, 0x05,  0x52, 0x7d, 0x72];
+	let mix_hash = [0x1f, 0xff, 0x04, 0xce, 0xc9, 0x41, 0x73, 0xfd, 0x59, 0x1e, 0x3d, 0x89, 0x60, 0xce, 0x6b, 0xdf, 0x8b, 0x19, 0x71, 0x04, 0x8c, 0x71, 0xff, 0x93, 0x7b, 0xb2, 0xd3, 0x2a, 0x64, 0x31, 0xab, 0x6d ];
 	let nonce = 0xd7b3ac70a301a249;
 	let boundary_good = [0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x3e, 0x9b, 0x6c, 0x69, 0xbc, 0x2c, 0xe2, 0xa2, 0x4a, 0x8e, 0x95, 0x69, 0xef, 0xc7, 0xd7, 0x1b, 0x33, 0x35, 0xdf, 0x36, 0x8c, 0x9a, 0xe9, 0x7e, 0x53, 0x84];
 	assert_eq!(quick_get_difficulty(&hash, nonce, &mix_hash)[..], boundary_good[..]);
@@ -428,60 +372,13 @@ fn test_difficulty_test() {
 
 #[test]
 fn test_light_compute() {
-	let hash = [0xf5, 0x7e, 0x6f, 0x3a, 0xcf, 0xc0, 0xdd, 0x4b, 0x5b, 0xf2, 0xbe, 0xe4, 0x0a, 0xb3, 0x35, 0x8a, 0xa6, 0x87, 0x73, 0xa8, 0xd0, 0x9f, 0x5e, 0x59, 0x5e, 0xab, 0x55, 0x94, 0x05, 0x52, 0x7d, 0x72];
-	let mix_hash = [0x1f, 0xff, 0x04, 0xce, 0xc9, 0x41, 0x73, 0xfd, 0x59, 0x1e, 0x3d, 0x89, 0x60, 0xce, 0x6b, 0xdf, 0x8b, 0x19, 0x71, 0x04, 0x8c, 0x71, 0xff, 0x93, 0x7b, 0xb2, 0xd3, 0x2a, 0x64, 0x31, 0xab, 0x6d];
+	let hash = [0xf5, 0x7e, 0x6f, 0x3a, 0xcf, 0xc0, 0xdd, 0x4b, 0x5b, 0xf2, 0xbe, 0xe4, 0x0a, 0xb3, 0x35, 0x8a, 0xa6, 0x87, 0x73, 0xa8, 0xd0, 0x9f, 0x5e, 0x59, 0x5e, 0xab, 0x55, 0x94, 0x05,  0x52, 0x7d, 0x72];
+	let mix_hash = [0x1f, 0xff, 0x04, 0xce, 0xc9, 0x41, 0x73, 0xfd, 0x59, 0x1e, 0x3d, 0x89, 0x60, 0xce, 0x6b, 0xdf, 0x8b, 0x19, 0x71, 0x04, 0x8c, 0x71, 0xff, 0x93, 0x7b, 0xb2, 0xd3, 0x2a, 0x64, 0x31, 0xab, 0x6d ];
 	let boundary = [0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x3e, 0x9b, 0x6c, 0x69, 0xbc, 0x2c, 0xe2, 0xa2, 0x4a, 0x8e, 0x95, 0x69, 0xef, 0xc7, 0xd7, 0x1b, 0x33, 0x35, 0xdf, 0x36, 0x8c, 0x9a, 0xe9, 0x7e, 0x53, 0x84];
 	let nonce = 0xd7b3ac70a301a249;
 	// difficulty = 0x085657254bd9u64;
-	let light = Light::new(&::std::env::temp_dir(), 486382);
+	let light = Light::new(486382);
 	let result = light_compute(&light, &hash, nonce);
 	assert_eq!(result.mix_hash[..], mix_hash[..]);
 	assert_eq!(result.value[..], boundary[..]);
 }
-
-#[test]
-fn test_seed_compute_once() {
-	let seed_compute = SeedHashCompute::new();
-	let hash = [241, 175, 44, 134, 39, 121, 245, 239, 228, 236, 43, 160, 195, 152, 46, 7, 199, 5, 253, 147, 241, 206, 98, 43, 3, 104, 17, 40, 192, 79, 106, 162];
-	assert_eq!(seed_compute.get_seedhash(486382), hash);
-}
-
-#[test]
-fn test_seed_compute_zero() {
-	let seed_compute = SeedHashCompute::new();
-	assert_eq!(seed_compute.get_seedhash(0), [0u8; 32]);
-}
-
-#[test]
-fn test_seed_compute_after_older() {
-	let seed_compute = SeedHashCompute::new();
-	// calculating an older value first shouldn't affect the result
-	let _ = seed_compute.get_seedhash(50000);
-	let hash = [241, 175, 44, 134, 39, 121, 245, 239, 228, 236, 43, 160, 195, 152, 46, 7, 199, 5, 253, 147, 241, 206, 98, 43, 3, 104, 17, 40, 192, 79, 106, 162];
-	assert_eq!(seed_compute.get_seedhash(486382), hash);
-}
-
-#[test]
-fn test_seed_compute_after_newer() {
-	let seed_compute = SeedHashCompute::new();
-	// calculating an newer value first shouldn't affect the result
-	let _ = seed_compute.get_seedhash(972764);
-	let hash = [241, 175, 44, 134, 39, 121, 245, 239, 228, 236, 43, 160, 195, 152, 46, 7, 199, 5, 253, 147, 241, 206, 98, 43, 3, 104, 17, 40, 192, 79, 106, 162];
-	assert_eq!(seed_compute.get_seedhash(486382), hash);
-}
-
-#[test]
-fn test_drop_old_data() {
-	let path = ::std::env::temp_dir();
-	let first = Light::new(&path, 0).to_file().unwrap();
-
-	let second = Light::new(&path, ETHASH_EPOCH_LENGTH).to_file().unwrap();
-	assert!(fs::metadata(&first).is_ok());
-
-	let _ = Light::new(&path, ETHASH_EPOCH_LENGTH * 2).to_file();
-	assert!(fs::metadata(&first).is_err());
-	assert!(fs::metadata(&second).is_ok());
-
-	let _ = Light::new(&path, ETHASH_EPOCH_LENGTH * 3).to_file();
-	assert!(fs::metadata(&second).is_err());
-}

ethash/src/lib.rs

@@ -1,4 +1,4 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
+// Copyright 2015, 2016 Ethcore (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify
@@ -18,19 +18,15 @@
 //! See https://github.com/ethereum/wiki/wiki/Ethash
 extern crate primal;
 extern crate sha3;
-extern crate parking_lot;
-
 #[macro_use]
 extern crate log;
 mod compute;
 
 use std::mem;
-use std::path::{Path, PathBuf};
 use compute::Light;
-pub use compute::{ETHASH_EPOCH_LENGTH, H256, ProofOfWork, SeedHashCompute, quick_get_difficulty, slow_get_seedhash};
+pub use compute::{get_seedhash, quick_get_difficulty, H256, ProofOfWork, ETHASH_EPOCH_LENGTH};
 
-use std::sync::Arc;
-use parking_lot::Mutex;
+use std::sync::{Arc, Mutex};
 
 struct LightCache {
 	recent_epoch: Option<u64>,
@@ -42,14 +38,12 @@ struct LightCache {
 /// Light/Full cache manager.
 pub struct EthashManager {
 	cache: Mutex<LightCache>,
-	cache_dir: PathBuf,
 }
 
 impl EthashManager {
 	/// Create a new new instance of ethash manager
-	pub fn new<T: AsRef<Path>>(cache_dir: T) -> EthashManager {
+	pub fn new() -> EthashManager {
 		EthashManager {
-			cache_dir: cache_dir.as_ref().to_path_buf(),
 			cache: Mutex::new(LightCache {
 				recent_epoch: None,
 				recent: None,
@@ -67,35 +61,30 @@ impl EthashManager {
 	pub fn compute_light(&self, block_number: u64, header_hash: &H256, nonce: u64) -> ProofOfWork {
 		let epoch = block_number / ETHASH_EPOCH_LENGTH;
 		let light = {
-			let mut lights = self.cache.lock();
+			let mut lights = self.cache.lock().unwrap();
 			let light = match lights.recent_epoch.clone() {
 				Some(ref e) if *e == epoch => lights.recent.clone(),
 				_ => match lights.prev_epoch.clone() {
 					Some(e) if e == epoch => {
-						// don't swap if recent is newer.
-						if lights.recent_epoch > lights.prev_epoch {
-							None
-						} else {
-							// swap
-							let t = lights.prev_epoch;
-							lights.prev_epoch = lights.recent_epoch;
-							lights.recent_epoch = t;
-							let t = lights.prev.clone();
-							lights.prev = lights.recent.clone();
-							lights.recent = t;
-							lights.recent.clone()
-						}
+						// swap
+						let t = lights.prev_epoch;
+						lights.prev_epoch = lights.recent_epoch;
+						lights.recent_epoch = t;
+						let t = lights.prev.clone();
+						lights.prev = lights.recent.clone();
+						lights.recent = t;
+						lights.recent.clone()
 					}
 					_ => None,
-				},
+				}
 			};
 			match light {
 				None => {
-					let light = match Light::from_file(&self.cache_dir, block_number) {
+					let light = match Light::from_file(block_number) {
 						Ok(light) => Arc::new(light),
 						Err(e) => {
 							debug!("Light cache file not found for {}:{}", block_number, e);
-							let light = Light::new(&self.cache_dir, block_number);
+							let light = Light::new(block_number);
 							if let Err(e) = light.to_file() {
 								warn!("Light cache file write error: {}", e);
 							}
@@ -106,7 +95,7 @@ impl EthashManager {
 					lights.prev = mem::replace(&mut lights.recent, Some(light.clone()));
 					light
 				}
-				Some(light) => light,
+				Some(light) => light
 			}
 		};
 		light.compute(header_hash, nonce)
@@ -115,16 +104,16 @@ impl EthashManager {
 
 #[test]
 fn test_lru() {
-	let ethash = EthashManager::new(&::std::env::temp_dir());
+	let ethash = EthashManager::new();
 	let hash = [0u8; 32];
 	ethash.compute_light(1, &hash, 1);
 	ethash.compute_light(50000, &hash, 1);
-	assert_eq!(ethash.cache.lock().recent_epoch.unwrap(), 1);
-	assert_eq!(ethash.cache.lock().prev_epoch.unwrap(), 0);
+	assert_eq!(ethash.cache.lock().unwrap().recent_epoch.unwrap(), 1);
+	assert_eq!(ethash.cache.lock().unwrap().prev_epoch.unwrap(), 0);
 	ethash.compute_light(1, &hash, 1);
-	assert_eq!(ethash.cache.lock().recent_epoch.unwrap(), 0);
-	assert_eq!(ethash.cache.lock().prev_epoch.unwrap(), 1);
+	assert_eq!(ethash.cache.lock().unwrap().recent_epoch.unwrap(), 0);
+	assert_eq!(ethash.cache.lock().unwrap().prev_epoch.unwrap(), 1);
 	ethash.compute_light(70000, &hash, 1);
-	assert_eq!(ethash.cache.lock().recent_epoch.unwrap(), 2);
-	assert_eq!(ethash.cache.lock().prev_epoch.unwrap(), 0);
+	assert_eq!(ethash.cache.lock().unwrap().recent_epoch.unwrap(), 2);
+	assert_eq!(ethash.cache.lock().unwrap().prev_epoch.unwrap(), 0);
 }

ethcore/Cargo.toml

@@ -1,71 +1,32 @@
 [package]
 description = "Ethcore library"
-homepage = "http://parity.io"
+homepage = "http://ethcore.io"
 license = "GPL-3.0"
 name = "ethcore"
-version = "1.7.0"
-authors = ["Parity Technologies <admin@parity.io>"]
-build = "build.rs"
-
-[build-dependencies]
-"ethcore-ipc-codegen" = { path = "../ipc/codegen" }
+version = "1.0.2"
+authors = ["Ethcore <admin@ethcore.io>"]
 
 [dependencies]
-bit-set = "0.4"
-bloomchain = "0.1"
-bn = { git = "https://github.com/paritytech/bn" }
-byteorder = "1.0"
-clippy = { version = "0.0.103", optional = true}
-common-types = { path = "types" }
-crossbeam = "0.2.9"
-env_logger = "0.4"
-ethabi = "2.0"
-ethash = { path = "../ethash" }
-ethcore-bloom-journal = { path = "../util/bloom" }
-ethcore-devtools = { path = "../devtools" }
-ethcore-io = { path = "../util/io" }
-ethcore-ipc = { path = "../ipc/rpc" }
-ethcore-ipc-nano = { path = "../ipc/nano" }
-ethcore-logger = { path = "../logger" }
-ethcore-stratum = { path = "../stratum" }
-ethcore-util = { path = "../util" }
-ethjson = { path = "../json" }
-ethkey = { path = "../ethkey" }
-ethstore = { path = "../ethstore" }
-evm = { path = "evm" }
-futures = "0.1"
-hardware-wallet = { path = "../hw" }
-hyper = { git = "https://github.com/paritytech/hyper", default-features = false }
-itertools = "0.5"
-lazy_static = "0.2"
-linked-hash-map = "0.3.0"
 log = "0.3"
-lru-cache = "0.1.0"
-native-contracts = { path = "native_contracts" }
-num = "0.1"
-num_cpus = "1.2"
-rayon = "0.8"
-rand = "0.3"
-rlp = { path = "../util/rlp" }
-rust-crypto = "0.2.34"
-rustc-hex = "1.0"
+env_logger = "0.3"
 rustc-serialize = "0.3"
-semver = "0.6"
-stats = { path = "../util/stats" }
+heapsize = "0.3"
+rust-crypto = "0.2.34"
 time = "0.1"
-transient-hashmap = "0.4"
-
-[dev-dependencies]
-native-contracts = { path = "native_contracts", features = ["test_contracts"] }
+ethcore-util = { path = "../util" }
+evmjit = { path = "../evmjit", optional = true }
+ethash = { path = "../ethash" }
+num_cpus = "0.2"
+clippy = { version = "0.0.54", optional = true }
+crossbeam = "0.1.5"
+lazy_static = "0.1"
+ethcore-devtools = { path = "../devtools" }
+ethjson = { path = "../json" }
 
 [features]
-jit = ["evm/jit"]
-evm-debug = ["slow-blocks"]
-evm-debug-tests = ["evm-debug"]
-slow-blocks = [] # Use SLOW_TX_DURATION="50" (compile time!) to track transactions over 50ms
+jit = ["evmjit"]
+evm-debug = []
 json-tests = []
 test-heavy = []
 dev = ["clippy"]
 default = []
-benches = []
-ipc = []

ethcore/benches/evm.rs

@@ -1,97 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-#![feature(test)]
-
-extern crate test;
-extern crate ethcore_util as util;
-extern crate rand;
-extern crate bn;
-extern crate crypto;
-extern crate rustc_serialize;
-extern crate ethkey;
-
-use self::test::{Bencher};
-use rand::{StdRng};
-
-
-#[bench]
-fn bn_128_pairing(b: &mut Bencher) {
-	use bn::{pairing, G1, G2, Fr, Group};
-
-	let rng = &mut ::rand::thread_rng();
-
-	let sk0 = Fr::random(rng);
-	let sk1 = Fr::random(rng);
-
-	let pk0 = G1::one() * sk0;
-	let pk1 = G2::one() * sk1;
-
-	b.iter(|| {
-		let _ = pairing(pk0, pk1);
-	});
-}
-
-#[bench]
-fn bn_128_mul(b: &mut Bencher) {
-	use bn::{AffineG1, G1, Fr, Group};
-
-	let mut rng = StdRng::new().unwrap();
-	let p: G1 = G1::random(&mut rng);
-	let fr = Fr::random(&mut rng);
-
-	b.iter(|| {
-		let _ = AffineG1::from_jacobian(p * fr);
-	});
-}
-
-#[bench]
-fn sha256(b: &mut Bencher) {
-	use crypto::sha2::Sha256;
-	use crypto::digest::Digest;
-
-	let mut input: [u8; 256] = [0; 256];
-	let mut out = [0; 32];
-
-	b.iter(|| {
-		let mut sha = Sha256::new();
-		sha.input(&input);
-		sha.result(&mut input[0..32]);
-	});
-}
-
-#[bench]
-fn ecrecover(b: &mut Bencher) {
-	use rustc_serialize::hex::FromHex;
-	use ethkey::{Signature, recover as ec_recover};
-	use util::H256;
-	let input = FromHex::from_hex("47173285a8d7341e5e972fc677286384f802f8ef42a5ec5f03bbfa254cb01fad000000000000000000000000000000000000000000000000000000000000001b650acf9d3f5f0a2c799776a1254355d5f4061762a237396a99a0e0e3fc2bcd6729514a0dacb2e623ac4abd157cb18163ff942280db4d5caad66ddf941ba12e03").unwrap();
-	let hash = H256::from_slice(&input[0..32]);
-	let v = H256::from_slice(&input[32..64]);
-	let r = H256::from_slice(&input[64..96]);
-	let s = H256::from_slice(&input[96..128]);
-
-	let bit = match v[31] {
-		27 | 28 if &v.0[..31] == &[0; 31] => v[31] - 27,
-		_ => { return; },
-	};
-
-	let s = Signature::from_rsv(&r, &s, bit);
-	b.iter(|| {
-		let _ = ec_recover(&s, &hash);
-	});
-}
-

ethcore/build.rs

@@ -1,23 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-extern crate ethcore_ipc_codegen;
-
-fn main() {
-	ethcore_ipc_codegen::derive_ipc_cond("src/client/traits.rs", cfg!(feature="ipc")).unwrap();
-	ethcore_ipc_codegen::derive_ipc_cond("src/snapshot/snapshot_service_trait.rs", cfg!(feature="ipc")).unwrap();
-	ethcore_ipc_codegen::derive_ipc_cond("src/client/chain_notify.rs", cfg!(feature="ipc")).unwrap();
-}

ethcore/evm/Cargo.toml

@@ -1,23 +0,0 @@
-[package]
-name = "evm"
-version = "0.1.0"
-authors = ["Parity Technologies <admin@parity.io>"]
-
-[dependencies]
-bit-set = "0.4"
-byteorder = "1.0"
-common-types = { path = "../types" }
-ethcore-util = { path = "../../util" }
-evmjit = { path = "../../evmjit", optional = true }
-ethjson = { path = "../../json" }
-lazy_static = "0.2"
-log = "0.3"
-rlp = { path = "../../util/rlp" }
-parity-wasm = "0.12"
-wasm-utils = { git = "https://github.com/paritytech/wasm-utils" }
-
-[dev-dependencies]
-rustc-hex = "1.0"
-
-[features]
-jit = ["evmjit"]

ethcore/evm/src/benches/mod.rs

@@ -1,127 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-//! benchmarking for EVM
-//! should be started with:
-//! ```bash
-//! multirust run nightly cargo bench
-//! ```
-
-extern crate test;
-
-use self::test::{Bencher, black_box};
-
-use util::*;
-use evm::action_params::ActionParams;
-use evm::{self, Factory, VMType};
-use evm::tests::FakeExt;
-
-#[bench]
-fn simple_loop_log0_usize(b: &mut Bencher) {
-	simple_loop_log0(U256::from(::std::usize::MAX), b)
-}
-
-#[bench]
-fn simple_loop_log0_u256(b: &mut Bencher) {
-	simple_loop_log0(!U256::zero(), b)
-}
-
-fn simple_loop_log0(gas: U256, b: &mut Bencher) {
-	let mut vm = Factory::new(VMType::Interpreter).create(gas);
-	let mut ext = FakeExt::new();
-
-	let address = Address::from_str("0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6").unwrap();
-	let code = black_box(
-		"62ffffff5b600190036000600fa0600357".from_hex().unwrap()
-	);
-
-	b.iter(|| {
-		let mut params = ActionParams::default();
-		params.address = address.clone();
-		params.gas = gas;
-		params.code = Some(code.clone());
-
-		result(vm.exec(params, &mut ext))
-	});
-}
-
-#[bench]
-fn mem_gas_calculation_same_usize(b: &mut Bencher) {
-	mem_gas_calculation_same(U256::from(::std::usize::MAX), b)
-}
-
-#[bench]
-fn mem_gas_calculation_same_u256(b: &mut Bencher) {
-	mem_gas_calculation_same(!U256::zero(), b)
-}
-
-fn mem_gas_calculation_same(gas: U256, b: &mut Bencher) {
-	let mut vm = Factory::new(VMType::Interpreter).create(gas);
-	let mut ext = FakeExt::new();
-
-	let address = Address::from_str("0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6").unwrap();
-
-	b.iter(|| {
-		let code = black_box(
-			"6110006001556001546000555b610fff805560016000540380600055600c57".from_hex().unwrap()
-		);
-
-		let mut params = ActionParams::default();
-		params.address = address.clone();
-		params.gas = gas;
-		params.code = Some(code.clone());
-
-		result(vm.exec(params, &mut ext))
-	});
-}
-
-#[bench]
-fn mem_gas_calculation_increasing_usize(b: &mut Bencher) {
-	mem_gas_calculation_increasing(U256::from(::std::usize::MAX), b)
-}
-
-#[bench]
-fn mem_gas_calculation_increasing_u256(b: &mut Bencher) {
-	mem_gas_calculation_increasing(!U256::zero(), b)
-}
-
-fn mem_gas_calculation_increasing(gas: U256, b: &mut Bencher) {
-	let mut vm = Factory::new(VMType::Interpreter).create(gas);
-	let mut ext = FakeExt::new();
-
-	let address = Address::from_str("0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6").unwrap();
-
-	b.iter(|| {
-		let code = black_box(
-			"6110006001556001546000555b610fff60005401805560016000540380600055600c57".from_hex().unwrap()
-		);
-
-		let mut params = ActionParams::default();
-		params.address = address.clone();
-		params.gas = gas;
-		params.code = Some(code.clone());
-
-		result(vm.exec(params, &mut ext))
-	});
-}
-
-fn result(r: evm::Result<evm::GasLeft>) -> U256 {
-	match r {
-		Ok(evm::GasLeft::Known(v)) => v,
-		Ok(evm::GasLeft::NeedsReturn(v, _)) => v,
-		_ => U256::zero(),
-	}
-}

ethcore/evm/src/call_type.rs

@@ -1,70 +0,0 @@
-//! EVM call types.
-
-use rlp::{Encodable, Decodable, DecoderError, RlpStream, UntrustedRlp};
-
-/// The type of the call-like instruction.
-#[derive(Debug, PartialEq, Clone)]
-pub enum CallType {
-	/// Not a CALL.
-	None,
-	/// CALL.
-	Call,
-	/// CALLCODE.
-	CallCode,
-	/// DELEGATECALL.
-	DelegateCall,
-	/// STATICCALL
-	StaticCall,
-}
-
-impl Encodable for CallType {
-	fn rlp_append(&self, s: &mut RlpStream) {
-		let v = match *self {
-			CallType::None => 0u32,
-			CallType::Call => 1,
-			CallType::CallCode => 2,
-			CallType::DelegateCall => 3,
-			CallType::StaticCall => 4,
-		};
-		Encodable::rlp_append(&v, s);
-	}
-}
-
-impl Decodable for CallType {
-	fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-		rlp.as_val().and_then(|v| Ok(match v {
-			0u32 => CallType::None,
-			1 => CallType::Call,
-			2 => CallType::CallCode,
-			3 => CallType::DelegateCall,
-			4 => CallType::StaticCall,
-			_ => return Err(DecoderError::Custom("Invalid value of CallType item")),
-		}))
-	}
-}
-
-#[cfg(test)]
-mod tests {
-	use rlp::*;
-	use super::CallType;
-
-	#[test]
-	fn encode_call_type() {
-		let ct = CallType::Call;
-
-		let mut s = RlpStream::new_list(2);
-		s.append(&ct);
-		assert!(!s.is_finished(), "List shouldn't finished yet");
-		s.append(&ct);
-		assert!(s.is_finished(), "List should be finished now");
-		s.out();
-	}
-
-	#[test]
-	fn should_encode_and_decode_call_type() {
-		let original = CallType::Call;
-		let encoded = encode(&original);
-		let decoded = decode(&encoded);
-		assert_eq!(original, decoded);
-	}
-}

ethcore/evm/src/evm.rs

@@ -1,350 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-//! Evm interface.
-
-use std::{ops, cmp, fmt};
-use util::{U128, U256, U512, trie};
-use action_params::ActionParams;
-use {Ext};
-
-use super::wasm;
-
-/// Evm errors.
-#[derive(Debug, Clone, PartialEq)]
-pub enum Error {
-	/// `OutOfGas` is returned when transaction execution runs out of gas.
-	/// The state should be reverted to the state from before the
-	/// transaction execution. But it does not mean that transaction
-	/// was invalid. Balance still should be transfered and nonce
-	/// should be increased.
-	OutOfGas,
-	/// `BadJumpDestination` is returned when execution tried to move
-	/// to position that wasn't marked with JUMPDEST instruction
-	BadJumpDestination {
-		/// Position the code tried to jump to.
-		destination: usize
-	},
-	/// `BadInstructions` is returned when given instruction is not supported
-	BadInstruction {
-		/// Unrecognized opcode
-		instruction: u8,
-	},
-	/// `StackUnderflow` when there is not enough stack elements to execute instruction
-	StackUnderflow {
-		/// Invoked instruction
-		instruction: &'static str,
-		/// How many stack elements was requested by instruction
-		wanted: usize,
-		/// How many elements were on stack
-		on_stack: usize
-	},
-	/// When execution would exceed defined Stack Limit
-	OutOfStack {
-		/// Invoked instruction
-		instruction: &'static str,
-		/// How many stack elements instruction wanted to push
-		wanted: usize,
-		/// What was the stack limit
-		limit: usize
-	},
-	/// Built-in contract failed on given input
-	BuiltIn(&'static str),
-	/// When execution tries to modify the state in static context
-	MutableCallInStaticContext,
-	/// Likely to cause consensus issues.
-	Internal(String),
-	/// Wasm runtime error
-	Wasm(String),
-	/// Out of bounds access in RETURNDATACOPY.
-	OutOfBounds,
-	/// Execution has been reverted with REVERT.
-	Reverted,
-}
-
-impl From<Box<trie::TrieError>> for Error {
-	fn from(err: Box<trie::TrieError>) -> Self {
-		Error::Internal(format!("Internal error: {}", err))
-	}
-}
-
-impl From<wasm::RuntimeError> for Error {
-	fn from(err: wasm::RuntimeError) -> Self {
-		Error::Wasm(format!("Runtime error: {:?}", err))
-	}
-}
-
-impl fmt::Display for Error {
-	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-		use self::Error::*;
-		match *self {
-			OutOfGas => write!(f, "Out of gas"),
-			BadJumpDestination { destination } => write!(f, "Bad jump destination {:x}", destination),
-			BadInstruction { instruction } => write!(f, "Bad instruction {:x}",  instruction),
-			StackUnderflow { instruction, wanted, on_stack } => write!(f, "Stack underflow {} {}/{}", instruction, wanted, on_stack),
-			OutOfStack { instruction, wanted, limit } => write!(f, "Out of stack {} {}/{}", instruction, wanted, limit),
-			BuiltIn(name) => write!(f, "Built-in failed: {}", name),
-			Internal(ref msg) => write!(f, "Internal error: {}", msg),
-			MutableCallInStaticContext => write!(f, "Mutable call in static context"),
-			Wasm(ref msg) => write!(f, "Internal error: {}", msg),
-			OutOfBounds => write!(f, "Out of bounds"),
-			Reverted => write!(f, "Reverted"),
-		}
-	}
-}
-
-/// A specialized version of Result over EVM errors.
-pub type Result<T> = ::std::result::Result<T, Error>;
-
-/// Return data buffer. Holds memory from a previous call and a slice into that memory.
-#[derive(Debug)]
-pub struct ReturnData {
-	mem: Vec<u8>,
-	offset: usize,
-	size: usize,
-}
-
-impl ::std::ops::Deref for ReturnData {
-	type Target = [u8];
-	fn deref(&self) -> &[u8] {
-		&self.mem[self.offset..self.offset + self.size]
-	}
-}
-
-impl ReturnData {
-	/// Create empty `ReturnData`.
-	pub fn empty() -> Self {
-		ReturnData {
-			mem: Vec::new(),
-			offset: 0,
-			size: 0,
-		}
-	}
-	/// Create `ReturnData` from give buffer and slice.
-	pub fn new(mem: Vec<u8>, offset: usize, size: usize) -> Self {
-		ReturnData {
-			mem: mem,
-			offset: offset,
-			size: size,
-		}
-	}
-}
-
-/// Gas Left: either it is a known value, or it needs to be computed by processing
-/// a return instruction.
-#[derive(Debug)]
-pub enum GasLeft {
-	/// Known gas left
-	Known(U256),
-	/// Return or Revert instruction must be processed.
-	NeedsReturn {
-		/// Amount of gas left.
-		gas_left: U256,
-		/// Return data buffer.
-		data: ReturnData,
-		/// Apply or revert state changes on revert.
-		apply_state: bool
-	},
-}
-
-/// Finalization result. Gas Left: either it is a known value, or it needs to be computed by processing
-/// a return instruction.
-#[derive(Debug)]
-pub struct FinalizationResult {
-	/// Final amount of gas left.
-	pub gas_left: U256,
-	/// Apply execution state changes or revert them.
-	pub apply_state: bool,
-	/// Return data buffer.
-	pub return_data: ReturnData,
-}
-
-/// Types that can be "finalized" using an EVM.
-///
-/// In practice, this is just used to define an inherent impl on
-/// `Reult<GasLeft<'a>>`.
-pub trait Finalize {
-	/// Consume the externalities, call return if necessary, and produce call result.
-	fn finalize<E: Ext>(self, ext: E) -> Result<FinalizationResult>;
-}
-
-impl Finalize for Result<GasLeft> {
-	fn finalize<E: Ext>(self, ext: E) -> Result<FinalizationResult> {
-		match self {
-			Ok(GasLeft::Known(gas_left)) => Ok(FinalizationResult { gas_left: gas_left, apply_state: true, return_data: ReturnData::empty() }),
-			Ok(GasLeft::NeedsReturn {gas_left, data, apply_state}) => ext.ret(&gas_left, &data, apply_state).map(|gas_left| FinalizationResult {
-				gas_left: gas_left,
-				apply_state: apply_state,
-				return_data: data,
-			}),
-			Err(err) => Err(err),
-		}
-	}
-}
-
-/// Cost calculation type. For low-gas usage we calculate costs using usize instead of U256
-pub trait CostType: Sized + From<usize> + Copy
-	+ ops::Mul<Output=Self> + ops::Div<Output=Self> + ops::Add<Output=Self> +ops::Sub<Output=Self>
-	+ ops::Shr<usize, Output=Self> + ops::Shl<usize, Output=Self>
-	+ cmp::Ord + fmt::Debug {
-	/// Converts this cost into `U256`
-	fn as_u256(&self) -> U256;
-	/// Tries to fit `U256` into this `Cost` type
-	fn from_u256(val: U256) -> Result<Self>;
-	/// Convert to usize (may panic)
-	fn as_usize(&self) -> usize;
-	/// Add with overflow
-	fn overflow_add(self, other: Self) -> (Self, bool);
-	/// Multiple with overflow
-	fn overflow_mul(self, other: Self) -> (Self, bool);
-	/// Single-step full multiplication and shift: `(self*other) >> shr`
-	/// Should not overflow on intermediate steps
-	fn overflow_mul_shr(self, other: Self, shr: usize) -> (Self, bool);
-}
-
-impl CostType for U256 {
-	fn as_u256(&self) -> U256 {
-		*self
-	}
-
-	fn from_u256(val: U256) -> Result<Self> {
-		Ok(val)
-	}
-
-	fn as_usize(&self) -> usize {
-		self.as_u64() as usize
-	}
-
-	fn overflow_add(self, other: Self) -> (Self, bool) {
-		self.overflowing_add(other)
-	}
-
-	fn overflow_mul(self, other: Self) -> (Self, bool) {
-		self.overflowing_mul(other)
-	}
-
-	fn overflow_mul_shr(self, other: Self, shr: usize) -> (Self, bool) {
-		let x = self.full_mul(other);
-		let U512(parts) = x;
-		let overflow = (parts[4] | parts[5] | parts[6] | parts[7]) > 0;
-		let U512(parts) = x >> shr;
-		(
-			U256([parts[0], parts[1], parts[2], parts[3]]),
-			overflow
-		)
-	}
-}
-
-impl CostType for usize {
-	fn as_u256(&self) -> U256 {
-		U256::from(*self)
-	}
-
-	fn from_u256(val: U256) -> Result<Self> {
-		let res = val.low_u64() as usize;
-
-		// validate if value fits into usize
-		if U256::from(res) != val {
-			return Err(Error::OutOfGas);
-		}
-
-		Ok(res)
-	}
-
-	fn as_usize(&self) -> usize {
-		*self
-	}
-
-	fn overflow_add(self, other: Self) -> (Self, bool) {
-		self.overflowing_add(other)
-	}
-
-	fn overflow_mul(self, other: Self) -> (Self, bool) {
-		self.overflowing_mul(other)
-	}
-
-	fn overflow_mul_shr(self, other: Self, shr: usize) -> (Self, bool) {
-		let (c, o) = U128::from(self).overflowing_mul(U128::from(other));
-		let U128(parts) = c;
-		let overflow = o | (parts[1] > 0);
-		let U128(parts) = c >> shr;
-		let result = parts[0] as usize;
-		let overflow = overflow | (parts[0] > result as u64);
-		(result, overflow)
-	}
-}
-
-/// Evm interface
-pub trait Evm {
-	/// This function should be used to execute transaction.
-	///
-	/// It returns either an error, a known amount of gas left, or parameters to be used
-	/// to compute the final gas left.
-	fn exec(&mut self, params: ActionParams, ext: &mut Ext) -> Result<GasLeft>;
-}
-
-#[cfg(test)]
-mod tests {
-	use util::U256;
-	use super::CostType;
-
-	#[test]
-	fn should_calculate_overflow_mul_shr_without_overflow() {
-		// given
-		let num = 1048576;
-
-		// when
-		let (res1, o1) = U256::from(num).overflow_mul_shr(U256::from(num), 20);
-		let (res2, o2) = num.overflow_mul_shr(num, 20);
-
-		// then
-		assert_eq!(res1, U256::from(num));
-		assert!(!o1);
-		assert_eq!(res2, num);
-		assert!(!o2);
-	}
-
-	#[test]
-	fn should_calculate_overflow_mul_shr_with_overflow() {
-		// given
-		let max = u64::max_value();
-		let num1 = U256([max, max, max, max]);
-		let num2 = usize::max_value();
-
-		// when
-		let (res1, o1) = num1.overflow_mul_shr(num1, 256);
-		let (res2, o2) = num2.overflow_mul_shr(num2, 64);
-
-		// then
-		assert_eq!(res2, num2 - 1);
-		assert!(o2);
-
-		assert_eq!(res1, !U256::zero() - U256::one());
-		assert!(o1);
-	}
-
-	#[test]
-	fn should_validate_u256_to_usize_conversion() {
-		// given
-		let v = U256::from(usize::max_value()) + U256::from(1);
-
-		// when
-		let res = usize::from_u256(v);
-
-		// then
-		assert!(res.is_err());
-	}
-}

ethcore/evm/src/ext.rs

@@ -1,152 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-//! Interface for Evm externalities.
-
-use util::*;
-use call_type::CallType;
-use env_info::EnvInfo;
-use schedule::Schedule;
-use evm::{self, ReturnData};
-
-/// Result of externalities create function.
-pub enum ContractCreateResult {
-	/// Returned when creation was successfull.
-	/// Contains an address of newly created contract and gas left.
-	Created(Address, U256),
-	/// Returned when contract creation failed.
-	/// VM doesn't have to know the reason.
-	Failed,
-	/// Returned when contract creation failed.
-	/// VM doesn't have to know the reason.
-	FailedInStaticCall,
-	/// Reverted with REVERT.
-	Reverted(U256, ReturnData),
-}
-
-/// Result of externalities call function.
-pub enum MessageCallResult {
-	/// Returned when message call was successfull.
-	/// Contains gas left and output data.
-	Success(U256, ReturnData),
-	/// Returned when message call failed.
-	/// VM doesn't have to know the reason.
-	Failed,
-	/// Returned when message call was reverted.
-	/// Contains gas left and output data.
-	Reverted(U256, ReturnData),
-}
-
-/// Specifies how an address is calculated for a new contract.
-#[derive(Copy, Clone, PartialEq, Eq)]
-pub enum CreateContractAddress {
-	/// Address is calculated from nonce and sender. Pre EIP-86 (Metropolis)
-	FromSenderAndNonce,
-	/// Address is calculated from code hash. Default since EIP-86
-	FromCodeHash,
-	/// Address is calculated from code hash and sender. Used by CREATE_P2SH instruction.
-	FromSenderAndCodeHash,
-}
-
-/// Externalities interface for EVMs
-pub trait Ext {
-	/// Returns a value for given key.
-	fn storage_at(&self, key: &H256) -> evm::Result<H256>;
-
-	/// Stores a value for given key.
-	fn set_storage(&mut self, key: H256, value: H256) -> evm::Result<()>;
-
-	/// Determine whether an account exists.
-	fn exists(&self, address: &Address) -> evm::Result<bool>;
-
-	/// Determine whether an account exists and is not null (zero balance/nonce, no code).
-	fn exists_and_not_null(&self, address: &Address) -> evm::Result<bool>;
-
-	/// Balance of the origin account.
-	fn origin_balance(&self) -> evm::Result<U256>;
-
-	/// Returns address balance.
-	fn balance(&self, address: &Address) -> evm::Result<U256>;
-
-	/// Returns the hash of one of the 256 most recent complete blocks.
-	fn blockhash(&mut self, number: &U256) -> H256;
-
-	/// Creates new contract.
-	///
-	/// Returns gas_left and contract address if contract creation was succesfull.
-	fn create(&mut self, gas: &U256, value: &U256, code: &[u8], address: CreateContractAddress) -> ContractCreateResult;
-
-	/// Message call.
-	///
-	/// Returns Err, if we run out of gas.
-	/// Otherwise returns call_result which contains gas left
-	/// and true if subcall was successfull.
-	#[cfg_attr(feature="dev", allow(too_many_arguments))]
-	fn call(&mut self,
-		gas: &U256,
-		sender_address: &Address,
-		receive_address: &Address,
-		value: Option<U256>,
-		data: &[u8],
-		code_address: &Address,
-		output: &mut [u8],
-		call_type: CallType
-	) -> MessageCallResult;
-
-	/// Returns code at given address
-	fn extcode(&self, address: &Address) -> evm::Result<Arc<Bytes>>;
-
-	/// Returns code size at given address
-	fn extcodesize(&self, address: &Address) -> evm::Result<usize>;
-
-	/// Creates log entry with given topics and data
-	fn log(&mut self, topics: Vec<H256>, data: &[u8]) -> evm::Result<()>;
-
-	/// Should be called when transaction calls `RETURN` opcode.
-	/// Returns gas_left if cost of returning the data is not too high.
-	fn ret(self, gas: &U256, data: &ReturnData, apply_state: bool) -> evm::Result<U256>;
-
-	/// Should be called when contract commits suicide.
-	/// Address to which funds should be refunded.
-	fn suicide(&mut self, refund_address: &Address) -> evm::Result<()> ;
-
-	/// Returns schedule.
-	fn schedule(&self) -> &Schedule;
-
-	/// Returns environment info.
-	fn env_info(&self) -> &EnvInfo;
-
-	/// Returns current depth of execution.
-	///
-	/// If contract A calls contract B, and contract B calls C,
-	/// then A depth is 0, B is 1, C is 2 and so on.
-	fn depth(&self) -> usize;
-
-	/// Increments sstore refunds count by 1.
-	fn inc_sstore_clears(&mut self);
-
-	/// Decide if any more operations should be traced. Passthrough for the VM trace.
-	fn trace_next_instruction(&mut self, _pc: usize, _instruction: u8) -> bool { false }
-
-	/// Prepare to trace an operation. Passthrough for the VM trace.
-	fn trace_prepare_execute(&mut self, _pc: usize, _instruction: u8, _gas_cost: U256) {}
-
-	/// Trace the finalised execution of a single instruction.
-	fn trace_executed(&mut self, _gas_used: U256, _stack_push: &[U256], _mem_diff: Option<(usize, &[u8])>, _store_diff: Option<(U256, U256)>) {}
-
-	/// Check if running in static context.
-	fn is_static(&self) -> bool;
-}

ethcore/evm/src/instructions.rs

@@ -1,592 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-//! VM Instructions list and utility functions
-
-pub type Instruction = u8;
-
-/// Returns true if given instruction is `PUSHN` instruction.
-pub fn is_push(i: Instruction) -> bool {
-	i >= PUSH1 && i <= PUSH32
-}
-
-#[test]
-fn test_is_push() {
-	assert!(is_push(PUSH1));
-	assert!(is_push(PUSH32));
-	assert!(!is_push(DUP1));
-}
-
-/// Returns number of bytes to read for `PUSHN` instruction
-/// PUSH1 -> 1
-pub fn get_push_bytes(i: Instruction) -> usize {
-	assert!(is_push(i), "Only for PUSH instructions.");
-	(i - PUSH1 + 1) as usize
-}
-
-/// Returns number of bytes to read for `PUSHN` instruction or 0.
-pub fn push_bytes(i: Instruction) -> usize {
-	if is_push(i) {
-		get_push_bytes(i)
-	} else {
-		0
-	}
-}
-
-#[test]
-fn test_get_push_bytes() {
-	assert_eq!(get_push_bytes(PUSH1), 1);
-	assert_eq!(get_push_bytes(PUSH3), 3);
-	assert_eq!(get_push_bytes(PUSH32), 32);
-}
-
-/// Returns stack position of item to duplicate
-/// DUP1 -> 0
-pub fn get_dup_position(i: Instruction) -> usize {
-	assert!(i >= DUP1 && i <= DUP16);
-	(i - DUP1) as usize
-}
-
-#[test]
-fn test_get_dup_position() {
-	assert_eq!(get_dup_position(DUP1), 0);
-	assert_eq!(get_dup_position(DUP5), 4);
-	assert_eq!(get_dup_position(DUP10), 9);
-}
-
-/// Returns stack position of item to SWAP top with
-/// SWAP1 -> 1
-pub fn get_swap_position(i: Instruction) -> usize {
-	assert!(i >= SWAP1 && i <= SWAP16);
-	(i - SWAP1 + 1) as usize
-}
-
-#[test]
-fn test_get_swap_position() {
-	assert_eq!(get_swap_position(SWAP1), 1);
-	assert_eq!(get_swap_position(SWAP5), 5);
-	assert_eq!(get_swap_position(SWAP10), 10);
-}
-
-/// Returns number of topcis to take from stack
-/// LOG0 -> 0
-pub fn get_log_topics (i: Instruction) -> usize {
-	assert!(i >= LOG0 && i <= LOG4);
-	(i - LOG0) as usize
-}
-
-#[test]
-fn test_get_log_topics() {
-	assert_eq!(get_log_topics(LOG0), 0);
-	assert_eq!(get_log_topics(LOG2), 2);
-	assert_eq!(get_log_topics(LOG4), 4);
-}
-
-#[derive(PartialEq, Clone, Copy)]
-pub enum GasPriceTier {
-	/// 0 Zero
-	Zero,
-	/// 2 Quick
-	Base,
-	/// 3 Fastest
-	VeryLow,
-	/// 5 Fast
-	Low,
-	/// 8 Mid
-	Mid,
-	/// 10 Slow
-	High,
-	/// 20 Ext
-	Ext,
-	/// Multiparam or otherwise special
-	Special,
-	/// Invalid
-	Invalid
-}
-
-impl Default for GasPriceTier {
-	fn default() -> Self {
-		GasPriceTier::Invalid
-	}
-}
-
-/// Returns the index in schedule for specific `GasPriceTier`
-pub fn get_tier_idx (tier: GasPriceTier) -> usize {
-	match tier {
-		GasPriceTier::Zero => 0,
-		GasPriceTier::Base => 1,
-		GasPriceTier::VeryLow => 2,
-		GasPriceTier::Low => 3,
-		GasPriceTier::Mid => 4,
-		GasPriceTier::High => 5,
-		GasPriceTier::Ext => 6,
-		GasPriceTier::Special => 7,
-		GasPriceTier::Invalid => 8
-	}
-}
-
-/// EVM instruction information.
-#[derive(Copy, Clone, Default)]
-pub struct InstructionInfo {
-	/// Mnemonic name.
-	pub name: &'static str,
-	/// Number of stack arguments.
-	pub args: usize,
-	/// Number of returned stack items.
-	pub ret: usize,
-	/// Gas price tier.
-	pub tier: GasPriceTier
-}
-
-impl InstructionInfo {
-	/// Create new instruction info.
-	pub fn new(name: &'static str, args: usize, ret: usize, tier: GasPriceTier) -> Self {
-		InstructionInfo {
-			name: name,
-			args: args,
-			ret: ret,
-			tier: tier
-		}
-	}
-}
-
-lazy_static! {
-	/// Static instruction table.
-	pub static ref INSTRUCTIONS: [InstructionInfo; 0x100] = {
-		let mut arr = [InstructionInfo::default(); 0x100];
-		arr[STOP as usize] =			InstructionInfo::new("STOP",			0, 0, GasPriceTier::Zero);
-		arr[ADD as usize] = 			InstructionInfo::new("ADD",				2, 1, GasPriceTier::VeryLow);
-		arr[SUB as usize] = 			InstructionInfo::new("SUB",				2, 1, GasPriceTier::VeryLow);
-		arr[MUL as usize] = 			InstructionInfo::new("MUL",				2, 1, GasPriceTier::Low);
-		arr[DIV as usize] = 			InstructionInfo::new("DIV",				2, 1, GasPriceTier::Low);
-		arr[SDIV as usize] =			InstructionInfo::new("SDIV",			2, 1, GasPriceTier::Low);
-		arr[MOD as usize] = 			InstructionInfo::new("MOD",				2, 1, GasPriceTier::Low);
-		arr[SMOD as usize] =			InstructionInfo::new("SMOD",			2, 1, GasPriceTier::Low);
-		arr[EXP as usize] = 			InstructionInfo::new("EXP",				2, 1, GasPriceTier::Special);
-		arr[NOT as usize] = 			InstructionInfo::new("NOT",				1, 1, GasPriceTier::VeryLow);
-		arr[LT as usize] =				InstructionInfo::new("LT",				2, 1, GasPriceTier::VeryLow);
-		arr[GT as usize] =				InstructionInfo::new("GT",				2, 1, GasPriceTier::VeryLow);
-		arr[SLT as usize] = 			InstructionInfo::new("SLT",				2, 1, GasPriceTier::VeryLow);
-		arr[SGT as usize] = 			InstructionInfo::new("SGT",				2, 1, GasPriceTier::VeryLow);
-		arr[EQ as usize] =				InstructionInfo::new("EQ",				2, 1, GasPriceTier::VeryLow);
-		arr[ISZERO as usize] =			InstructionInfo::new("ISZERO",			1, 1, GasPriceTier::VeryLow);
-		arr[AND as usize] = 			InstructionInfo::new("AND",				2, 1, GasPriceTier::VeryLow);
-		arr[OR as usize] =				InstructionInfo::new("OR",				2, 1, GasPriceTier::VeryLow);
-		arr[XOR as usize] = 			InstructionInfo::new("XOR",				2, 1, GasPriceTier::VeryLow);
-		arr[BYTE as usize] =			InstructionInfo::new("BYTE",			2, 1, GasPriceTier::VeryLow);
-		arr[ADDMOD as usize] =			InstructionInfo::new("ADDMOD",			3, 1, GasPriceTier::Mid);
-		arr[MULMOD as usize] =			InstructionInfo::new("MULMOD",			3, 1, GasPriceTier::Mid);
-		arr[SIGNEXTEND as usize] =		InstructionInfo::new("SIGNEXTEND",		2, 1, GasPriceTier::Low);
-		arr[RETURNDATASIZE as usize] =	InstructionInfo::new("RETURNDATASIZE",	0, 1, GasPriceTier::Base);
-		arr[RETURNDATACOPY as usize] =	InstructionInfo::new("RETURNDATACOPY",	3, 0, GasPriceTier::VeryLow);
-		arr[SHA3 as usize] =			InstructionInfo::new("SHA3",			2, 1, GasPriceTier::Special);
-		arr[ADDRESS as usize] = 		InstructionInfo::new("ADDRESS",			0, 1, GasPriceTier::Base);
-		arr[BALANCE as usize] = 		InstructionInfo::new("BALANCE",			1, 1, GasPriceTier::Special);
-		arr[ORIGIN as usize] =			InstructionInfo::new("ORIGIN",			0, 1, GasPriceTier::Base);
-		arr[CALLER as usize] =			InstructionInfo::new("CALLER",			0, 1, GasPriceTier::Base);
-		arr[CALLVALUE as usize] =		InstructionInfo::new("CALLVALUE",		0, 1, GasPriceTier::Base);
-		arr[CALLDATALOAD as usize] =	InstructionInfo::new("CALLDATALOAD",	1, 1, GasPriceTier::VeryLow);
-		arr[CALLDATASIZE as usize] =	InstructionInfo::new("CALLDATASIZE",	0, 1, GasPriceTier::Base);
-		arr[CALLDATACOPY as usize] =	InstructionInfo::new("CALLDATACOPY",	3, 0, GasPriceTier::VeryLow);
-		arr[CODESIZE as usize] =		InstructionInfo::new("CODESIZE",		0, 1, GasPriceTier::Base);
-		arr[CODECOPY as usize] =		InstructionInfo::new("CODECOPY",		3, 0, GasPriceTier::VeryLow);
-		arr[GASPRICE as usize] =		InstructionInfo::new("GASPRICE",		0, 1, GasPriceTier::Base);
-		arr[EXTCODESIZE as usize] = 	InstructionInfo::new("EXTCODESIZE",		1, 1, GasPriceTier::Special);
-		arr[EXTCODECOPY as usize] = 	InstructionInfo::new("EXTCODECOPY",		4, 0, GasPriceTier::Special);
-		arr[BLOCKHASH as usize] =		InstructionInfo::new("BLOCKHASH",		1, 1, GasPriceTier::Ext);
-		arr[COINBASE as usize] =		InstructionInfo::new("COINBASE",		0, 1, GasPriceTier::Base);
-		arr[TIMESTAMP as usize] =		InstructionInfo::new("TIMESTAMP",		0, 1, GasPriceTier::Base);
-		arr[NUMBER as usize] =			InstructionInfo::new("NUMBER",			0, 1, GasPriceTier::Base);
-		arr[DIFFICULTY as usize] =		InstructionInfo::new("DIFFICULTY",		0, 1, GasPriceTier::Base);
-		arr[GASLIMIT as usize] =		InstructionInfo::new("GASLIMIT",		0, 1, GasPriceTier::Base);
-		arr[POP as usize] = 			InstructionInfo::new("POP",				1, 0, GasPriceTier::Base);
-		arr[MLOAD as usize] =			InstructionInfo::new("MLOAD",			1, 1, GasPriceTier::VeryLow);
-		arr[MSTORE as usize] =			InstructionInfo::new("MSTORE",			2, 0, GasPriceTier::VeryLow);
-		arr[MSTORE8 as usize] = 		InstructionInfo::new("MSTORE8",			2, 0, GasPriceTier::VeryLow);
-		arr[SLOAD as usize] =			InstructionInfo::new("SLOAD",			1, 1, GasPriceTier::Special);
-		arr[SSTORE as usize] =			InstructionInfo::new("SSTORE",			2, 0, GasPriceTier::Special);
-		arr[JUMP as usize] =			InstructionInfo::new("JUMP",			1, 0, GasPriceTier::Mid);
-		arr[JUMPI as usize] =			InstructionInfo::new("JUMPI",			2, 0, GasPriceTier::High);
-		arr[PC as usize] =				InstructionInfo::new("PC",				0, 1, GasPriceTier::Base);
-		arr[MSIZE as usize] =			InstructionInfo::new("MSIZE",			0, 1, GasPriceTier::Base);
-		arr[GAS as usize] = 			InstructionInfo::new("GAS",				0, 1, GasPriceTier::Base);
-		arr[JUMPDEST as usize] =		InstructionInfo::new("JUMPDEST",		0, 0, GasPriceTier::Special);
-		arr[PUSH1 as usize] =			InstructionInfo::new("PUSH1",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH2 as usize] =			InstructionInfo::new("PUSH2",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH3 as usize] =			InstructionInfo::new("PUSH3",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH4 as usize] =			InstructionInfo::new("PUSH4",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH5 as usize] =			InstructionInfo::new("PUSH5",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH6 as usize] =			InstructionInfo::new("PUSH6",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH7 as usize] =			InstructionInfo::new("PUSH7",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH8 as usize] =			InstructionInfo::new("PUSH8",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH9 as usize] =			InstructionInfo::new("PUSH9",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH10 as usize] =			InstructionInfo::new("PUSH10",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH11 as usize] =			InstructionInfo::new("PUSH11",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH12 as usize] =			InstructionInfo::new("PUSH12",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH13 as usize] =			InstructionInfo::new("PUSH13",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH14 as usize] =			InstructionInfo::new("PUSH14",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH15 as usize] =			InstructionInfo::new("PUSH15",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH16 as usize] =			InstructionInfo::new("PUSH16",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH17 as usize] =			InstructionInfo::new("PUSH17",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH18 as usize] =			InstructionInfo::new("PUSH18",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH19 as usize] =			InstructionInfo::new("PUSH19",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH20 as usize] =			InstructionInfo::new("PUSH20",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH21 as usize] =			InstructionInfo::new("PUSH21",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH22 as usize] =			InstructionInfo::new("PUSH22",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH23 as usize] =			InstructionInfo::new("PUSH23",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH24 as usize] =			InstructionInfo::new("PUSH24",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH25 as usize] =			InstructionInfo::new("PUSH25",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH26 as usize] =			InstructionInfo::new("PUSH26",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH27 as usize] =			InstructionInfo::new("PUSH27",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH28 as usize] =			InstructionInfo::new("PUSH28",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH29 as usize] =			InstructionInfo::new("PUSH29",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH30 as usize] =			InstructionInfo::new("PUSH30",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH31 as usize] =			InstructionInfo::new("PUSH31",			0, 1, GasPriceTier::VeryLow);
-		arr[PUSH32 as usize] =			InstructionInfo::new("PUSH32",			0, 1, GasPriceTier::VeryLow);
-		arr[DUP1 as usize] =			InstructionInfo::new("DUP1",			1, 2, GasPriceTier::VeryLow);
-		arr[DUP2 as usize] =			InstructionInfo::new("DUP2",			2, 3, GasPriceTier::VeryLow);
-		arr[DUP3 as usize] =			InstructionInfo::new("DUP3",			3, 4, GasPriceTier::VeryLow);
-		arr[DUP4 as usize] =			InstructionInfo::new("DUP4",			4, 5, GasPriceTier::VeryLow);
-		arr[DUP5 as usize] =			InstructionInfo::new("DUP5",			5, 6, GasPriceTier::VeryLow);
-		arr[DUP6 as usize] =			InstructionInfo::new("DUP6",			6, 7, GasPriceTier::VeryLow);
-		arr[DUP7 as usize] =			InstructionInfo::new("DUP7",			7, 8, GasPriceTier::VeryLow);
-		arr[DUP8 as usize] =			InstructionInfo::new("DUP8",			8, 9, GasPriceTier::VeryLow);
-		arr[DUP9 as usize] =			InstructionInfo::new("DUP9",			9, 10, GasPriceTier::VeryLow);
-		arr[DUP10 as usize] =			InstructionInfo::new("DUP10",			10, 11, GasPriceTier::VeryLow);
-		arr[DUP11 as usize] =			InstructionInfo::new("DUP11",			11, 12, GasPriceTier::VeryLow);
-		arr[DUP12 as usize] =			InstructionInfo::new("DUP12",			12, 13, GasPriceTier::VeryLow);
-		arr[DUP13 as usize] =			InstructionInfo::new("DUP13",			13, 14, GasPriceTier::VeryLow);
-		arr[DUP14 as usize] =			InstructionInfo::new("DUP14",			14, 15, GasPriceTier::VeryLow);
-		arr[DUP15 as usize] =			InstructionInfo::new("DUP15",			15, 16, GasPriceTier::VeryLow);
-		arr[DUP16 as usize] =			InstructionInfo::new("DUP16",			16, 17, GasPriceTier::VeryLow);
-		arr[SWAP1 as usize] =			InstructionInfo::new("SWAP1",			2, 2, GasPriceTier::VeryLow);
-		arr[SWAP2 as usize] =			InstructionInfo::new("SWAP2",			3, 3, GasPriceTier::VeryLow);
-		arr[SWAP3 as usize] =			InstructionInfo::new("SWAP3",			4, 4, GasPriceTier::VeryLow);
-		arr[SWAP4 as usize] =			InstructionInfo::new("SWAP4",			5, 5, GasPriceTier::VeryLow);
-		arr[SWAP5 as usize] =			InstructionInfo::new("SWAP5",			6, 6, GasPriceTier::VeryLow);
-		arr[SWAP6 as usize] =			InstructionInfo::new("SWAP6",			7, 7, GasPriceTier::VeryLow);
-		arr[SWAP7 as usize] =			InstructionInfo::new("SWAP7",			8, 8, GasPriceTier::VeryLow);
-		arr[SWAP8 as usize] =			InstructionInfo::new("SWAP8",			9, 9, GasPriceTier::VeryLow);
-		arr[SWAP9 as usize] =			InstructionInfo::new("SWAP9",			10, 10, GasPriceTier::VeryLow);
-		arr[SWAP10 as usize] =			InstructionInfo::new("SWAP10",			11, 11, GasPriceTier::VeryLow);
-		arr[SWAP11 as usize] =			InstructionInfo::new("SWAP11",			12, 12, GasPriceTier::VeryLow);
-		arr[SWAP12 as usize] =			InstructionInfo::new("SWAP12",			13, 13, GasPriceTier::VeryLow);
-		arr[SWAP13 as usize] =			InstructionInfo::new("SWAP13",			14, 14, GasPriceTier::VeryLow);
-		arr[SWAP14 as usize] =			InstructionInfo::new("SWAP14",			15, 15, GasPriceTier::VeryLow);
-		arr[SWAP15 as usize] =			InstructionInfo::new("SWAP15",			16, 16, GasPriceTier::VeryLow);
-		arr[SWAP16 as usize] =			InstructionInfo::new("SWAP16",			17, 17, GasPriceTier::VeryLow);
-		arr[LOG0 as usize] =			InstructionInfo::new("LOG0",			2, 0, GasPriceTier::Special);
-		arr[LOG1 as usize] =			InstructionInfo::new("LOG1",			3, 0, GasPriceTier::Special);
-		arr[LOG2 as usize] =			InstructionInfo::new("LOG2",			4, 0, GasPriceTier::Special);
-		arr[LOG3 as usize] =			InstructionInfo::new("LOG3",			5, 0, GasPriceTier::Special);
-		arr[LOG4 as usize] =			InstructionInfo::new("LOG4",			6, 0, GasPriceTier::Special);
-		arr[CREATE as usize] =			InstructionInfo::new("CREATE",			3, 1, GasPriceTier::Special);
-		arr[CALL as usize] =			InstructionInfo::new("CALL",			7, 1, GasPriceTier::Special);
-		arr[CALLCODE as usize] =		InstructionInfo::new("CALLCODE",		7, 1, GasPriceTier::Special);
-		arr[RETURN as usize] =			InstructionInfo::new("RETURN",			2, 0, GasPriceTier::Zero);
-		arr[DELEGATECALL as usize] =	InstructionInfo::new("DELEGATECALL",	6, 1, GasPriceTier::Special);
-		arr[STATICCALL as usize] =		InstructionInfo::new("STATICCALL",		6, 1, GasPriceTier::Special);
-		arr[SUICIDE as usize] = 		InstructionInfo::new("SUICIDE",			1, 0, GasPriceTier::Special);
-		arr[CREATE2 as usize] = 		InstructionInfo::new("CREATE2",			3, 1, GasPriceTier::Special);
-		arr[REVERT as usize] =			InstructionInfo::new("REVERT",			2, 0, GasPriceTier::Zero);
-		arr
-	};
-}
-
-/// Virtual machine bytecode instruction.
-/// halts execution
-pub const STOP: Instruction = 0x00;
-/// addition operation
-pub const ADD: Instruction = 0x01;
-/// mulitplication operation
-pub const MUL: Instruction = 0x02;
-/// subtraction operation
-pub const SUB: Instruction = 0x03;
-/// integer division operation
-pub const DIV: Instruction = 0x04;
-/// signed integer division operation
-pub const SDIV: Instruction = 0x05;
-/// modulo remainder operation
-pub const MOD: Instruction = 0x06;
-/// signed modulo remainder operation
-pub const SMOD: Instruction = 0x07;
-/// unsigned modular addition
-pub const ADDMOD: Instruction = 0x08;
-/// unsigned modular multiplication
-pub const MULMOD: Instruction = 0x09;
-/// exponential operation
-pub const EXP: Instruction = 0x0a;
-/// extend length of signed integer
-pub const SIGNEXTEND: Instruction = 0x0b;
-
-/// less-than comparision
-pub const LT: Instruction = 0x10;
-/// greater-than comparision
-pub const GT: Instruction = 0x11;
-/// signed less-than comparision
-pub const SLT: Instruction = 0x12;
-/// signed greater-than comparision
-pub const SGT: Instruction = 0x13;
-/// equality comparision
-pub const EQ: Instruction = 0x14;
-/// simple not operator
-pub const ISZERO: Instruction = 0x15;
-/// bitwise AND operation
-pub const AND: Instruction = 0x16;
-/// bitwise OR operation
-pub const OR: Instruction = 0x17;
-/// bitwise XOR operation
-pub const XOR: Instruction = 0x18;
-/// bitwise NOT opertation
-pub const NOT: Instruction = 0x19;
-/// retrieve single byte from word
-pub const BYTE: Instruction = 0x1a;
-
-/// compute SHA3-256 hash
-pub const SHA3: Instruction = 0x20;
-
-/// get address of currently executing account
-pub const ADDRESS: Instruction = 0x30;
-/// get balance of the given account
-pub const BALANCE: Instruction = 0x31;
-/// get execution origination address
-pub const ORIGIN: Instruction = 0x32;
-/// get caller address
-pub const CALLER: Instruction = 0x33;
-/// get deposited value by the instruction/transaction responsible for this execution
-pub const CALLVALUE: Instruction = 0x34;
-/// get input data of current environment
-pub const CALLDATALOAD: Instruction = 0x35;
-/// get size of input data in current environment
-pub const CALLDATASIZE: Instruction = 0x36;
-/// copy input data in current environment to memory
-pub const CALLDATACOPY: Instruction = 0x37;
-/// get size of code running in current environment
-pub const CODESIZE: Instruction = 0x38;
-/// copy code running in current environment to memory
-pub const CODECOPY: Instruction = 0x39;
-/// get price of gas in current environment
-pub const GASPRICE: Instruction = 0x3a;
-/// get external code size (from another contract)
-pub const EXTCODESIZE: Instruction = 0x3b;
-/// copy external code (from another contract)
-pub const EXTCODECOPY: Instruction = 0x3c;
-/// get the size of the return data buffer for the last call
-pub const RETURNDATASIZE: Instruction = 0x3d;
-/// copy return data buffer to memory
-pub const RETURNDATACOPY: Instruction = 0x3e;
-
-/// get hash of most recent complete block
-pub const BLOCKHASH: Instruction = 0x40;
-/// get the block's coinbase address
-pub const COINBASE: Instruction = 0x41;
-/// get the block's timestamp
-pub const TIMESTAMP: Instruction = 0x42;
-/// get the block's number
-pub const NUMBER: Instruction = 0x43;
-/// get the block's difficulty
-pub const DIFFICULTY: Instruction = 0x44;
-/// get the block's gas limit
-pub const GASLIMIT: Instruction = 0x45;
-
-/// remove item from stack
-pub const POP: Instruction = 0x50;
-/// load word from memory
-pub const MLOAD: Instruction = 0x51;
-/// save word to memory
-pub const MSTORE: Instruction = 0x52;
-/// save byte to memory
-pub const MSTORE8: Instruction = 0x53;
-/// load word from storage
-pub const SLOAD: Instruction = 0x54;
-/// save word to storage
-pub const SSTORE: Instruction = 0x55;
-/// alter the program counter
-pub const JUMP: Instruction = 0x56;
-/// conditionally alter the program counter
-pub const JUMPI: Instruction = 0x57;
-/// get the program counter
-pub const PC: Instruction = 0x58;
-/// get the size of active memory
-pub const MSIZE: Instruction = 0x59;
-/// get the amount of available gas
-pub const GAS: Instruction = 0x5a;
-/// set a potential jump destination
-pub const JUMPDEST: Instruction = 0x5b;
-
-/// place 1 byte item on stack
-pub const PUSH1: Instruction = 0x60;
-/// place 2 byte item on stack
-pub const PUSH2: Instruction = 0x61;
-/// place 3 byte item on stack
-pub const PUSH3: Instruction = 0x62;
-/// place 4 byte item on stack
-pub const PUSH4: Instruction = 0x63;
-/// place 5 byte item on stack
-pub const PUSH5: Instruction = 0x64;
-/// place 6 byte item on stack
-pub const PUSH6: Instruction = 0x65;
-/// place 7 byte item on stack
-pub const PUSH7: Instruction = 0x66;
-/// place 8 byte item on stack
-pub const PUSH8: Instruction = 0x67;
-/// place 9 byte item on stack
-pub const PUSH9: Instruction = 0x68;
-/// place 10 byte item on stack
-pub const PUSH10: Instruction = 0x69;
-/// place 11 byte item on stack
-pub const PUSH11: Instruction = 0x6a;
-/// place 12 byte item on stack
-pub const PUSH12: Instruction = 0x6b;
-/// place 13 byte item on stack
-pub const PUSH13: Instruction = 0x6c;
-/// place 14 byte item on stack
-pub const PUSH14: Instruction = 0x6d;
-/// place 15 byte item on stack
-pub const PUSH15: Instruction = 0x6e;
-/// place 16 byte item on stack
-pub const PUSH16: Instruction = 0x6f;
-/// place 17 byte item on stack
-pub const PUSH17: Instruction = 0x70;
-/// place 18 byte item on stack
-pub const PUSH18: Instruction = 0x71;
-/// place 19 byte item on stack
-pub const PUSH19: Instruction = 0x72;
-/// place 20 byte item on stack
-pub const PUSH20: Instruction = 0x73;
-/// place 21 byte item on stack
-pub const PUSH21: Instruction = 0x74;
-/// place 22 byte item on stack
-pub const PUSH22: Instruction = 0x75;
-/// place 23 byte item on stack
-pub const PUSH23: Instruction = 0x76;
-/// place 24 byte item on stack
-pub const PUSH24: Instruction = 0x77;
-/// place 25 byte item on stack
-pub const PUSH25: Instruction = 0x78;
-/// place 26 byte item on stack
-pub const PUSH26: Instruction = 0x79;
-/// place 27 byte item on stack
-pub const PUSH27: Instruction = 0x7a;
-/// place 28 byte item on stack
-pub const PUSH28: Instruction = 0x7b;
-/// place 29 byte item on stack
-pub const PUSH29: Instruction = 0x7c;
-/// place 30 byte item on stack
-pub const PUSH30: Instruction = 0x7d;
-/// place 31 byte item on stack
-pub const PUSH31: Instruction = 0x7e;
-/// place 32 byte item on stack
-pub const PUSH32: Instruction = 0x7f;
-
-/// copies the highest item in the stack to the top of the stack
-pub const DUP1: Instruction = 0x80;
-/// copies the second highest item in the stack to the top of the stack
-pub const DUP2: Instruction = 0x81;
-/// copies the third highest item in the stack to the top of the stack
-pub const DUP3: Instruction = 0x82;
-/// copies the 4th highest item in the stack to the top of the stack
-pub const DUP4: Instruction = 0x83;
-/// copies the 5th highest item in the stack to the top of the stack
-pub const DUP5: Instruction = 0x84;
-/// copies the 6th highest item in the stack to the top of the stack
-pub const DUP6: Instruction = 0x85;
-/// copies the 7th highest item in the stack to the top of the stack
-pub const DUP7: Instruction = 0x86;
-/// copies the 8th highest item in the stack to the top of the stack
-pub const DUP8: Instruction = 0x87;
-/// copies the 9th highest item in the stack to the top of the stack
-pub const DUP9: Instruction = 0x88;
-/// copies the 10th highest item in the stack to the top of the stack
-pub const DUP10: Instruction = 0x89;
-/// copies the 11th highest item in the stack to the top of the stack
-pub const DUP11: Instruction = 0x8a;
-/// copies the 12th highest item in the stack to the top of the stack
-pub const DUP12: Instruction = 0x8b;
-/// copies the 13th highest item in the stack to the top of the stack
-pub const DUP13: Instruction = 0x8c;
-/// copies the 14th highest item in the stack to the top of the stack
-pub const DUP14: Instruction = 0x8d;
-/// copies the 15th highest item in the stack to the top of the stack
-pub const DUP15: Instruction = 0x8e;
-/// copies the 16th highest item in the stack to the top of the stack
-pub const DUP16: Instruction = 0x8f;
-
-/// swaps the highest and second highest value on the stack
-pub const SWAP1: Instruction = 0x90;
-/// swaps the highest and third highest value on the stack
-pub const SWAP2: Instruction = 0x91;
-/// swaps the highest and 4th highest value on the stack
-pub const SWAP3: Instruction = 0x92;
-/// swaps the highest and 5th highest value on the stack
-pub const SWAP4: Instruction = 0x93;
-/// swaps the highest and 6th highest value on the stack
-pub const SWAP5: Instruction = 0x94;
-/// swaps the highest and 7th highest value on the stack
-pub const SWAP6: Instruction = 0x95;
-/// swaps the highest and 8th highest value on the stack
-pub const SWAP7: Instruction = 0x96;
-/// swaps the highest and 9th highest value on the stack
-pub const SWAP8: Instruction = 0x97;
-/// swaps the highest and 10th highest value on the stack
-pub const SWAP9: Instruction = 0x98;
-/// swaps the highest and 11th highest value on the stack
-pub const SWAP10: Instruction = 0x99;
-/// swaps the highest and 12th highest value on the stack
-pub const SWAP11: Instruction = 0x9a;
-/// swaps the highest and 13th highest value on the stack
-pub const SWAP12: Instruction = 0x9b;
-/// swaps the highest and 14th highest value on the stack
-pub const SWAP13: Instruction = 0x9c;
-/// swaps the highest and 15th highest value on the stack
-pub const SWAP14: Instruction = 0x9d;
-/// swaps the highest and 16th highest value on the stack
-pub const SWAP15: Instruction = 0x9e;
-/// swaps the highest and 17th highest value on the stack
-pub const SWAP16: Instruction = 0x9f;
-
-/// Makes a log entry; no topics.
-pub const LOG0: Instruction = 0xa0;
-/// Makes a log entry; 1 topic.
-pub const LOG1: Instruction = 0xa1;
-/// Makes a log entry; 2 topics.
-pub const LOG2: Instruction = 0xa2;
-/// Makes a log entry; 3 topics.
-pub const LOG3: Instruction = 0xa3;
-/// Makes a log entry; 4 topics.
-pub const LOG4: Instruction = 0xa4;
-/// Maximal number of topics for log instructions
-pub const MAX_NO_OF_TOPICS : usize = 4;
-
-/// create a new account with associated code
-pub const CREATE: Instruction = 0xf0;
-/// message-call into an account
-pub const CALL: Instruction = 0xf1;
-/// message-call with another account's code only
-pub const CALLCODE: Instruction = 0xf2;
-/// halt execution returning output data
-pub const RETURN: Instruction = 0xf3;
-/// like CALLCODE but keeps caller's value and sender
-pub const DELEGATECALL: Instruction = 0xf4;
-/// create a new account and set creation address to sha3(sender + sha3(init code)) % 2**160
-pub const CREATE2: Instruction = 0xfb;
-/// stop execution and revert state changes. Return output data.
-pub const REVERT: Instruction = 0xfd;
-/// like CALL but it does not take value, nor modify the state
-pub const STATICCALL: Instruction = 0xfa;
-/// halt execution and register account for later deletion
-pub const SUICIDE: Instruction = 0xff;
-

ethcore/evm/src/interpreter/gasometer.rs

@@ -1,373 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-use util::*;
-use super::u256_to_address;
-
-use {evm, ext};
-use instructions::{self, Instruction, InstructionInfo};
-use interpreter::stack::Stack;
-use schedule::Schedule;
-
-macro_rules! overflowing {
-	($x: expr) => {{
-		let (v, overflow) = $x;
-		if overflow { return Err(evm::Error::OutOfGas); }
-		v
-	}}
-}
-
-#[cfg_attr(feature="dev", allow(enum_variant_names))]
-enum Request<Cost: ::evm::CostType> {
-	Gas(Cost),
-	GasMem(Cost, Cost),
-	GasMemProvide(Cost, Cost, Option<U256>),
-	GasMemCopy(Cost, Cost, Cost)
-}
-
-pub struct InstructionRequirements<Cost> {
-	pub gas_cost: Cost,
-	pub provide_gas: Option<Cost>,
-	pub memory_total_gas: Cost,
-	pub memory_required_size: usize,
-}
-
-pub struct Gasometer<Gas> {
-	pub current_gas: Gas,
-	pub current_mem_gas: Gas,
-}
-
-impl<Gas: evm::CostType> Gasometer<Gas> {
-
-	pub fn new(current_gas: Gas) -> Self {
-		Gasometer {
-			current_gas: current_gas,
-			current_mem_gas: Gas::from(0),
-		}
-	}
-
-	pub fn verify_gas(&self, gas_cost: &Gas) -> evm::Result<()> {
-		match &self.current_gas < gas_cost {
-			true => Err(evm::Error::OutOfGas),
-			false => Ok(())
-		}
-	}
-
-	/// How much gas is provided to a CALL/CREATE, given that we need to deduct `needed` for this operation
-	/// and that we `requested` some.
-	pub fn gas_provided(&self, schedule: &Schedule, needed: Gas, requested: Option<U256>) -> evm::Result<Gas> {
-		// Try converting requested gas to `Gas` (`U256/u64`)
-		// but in EIP150 even if we request more we should never fail from OOG
-		let requested = requested.map(Gas::from_u256);
-
-		match schedule.sub_gas_cap_divisor {
-			Some(cap_divisor) if self.current_gas >= needed => {
-				let gas_remaining = self.current_gas - needed;
-				let max_gas_provided = match cap_divisor {
-					64 => gas_remaining - (gas_remaining >> 6),
-					cap_divisor => gas_remaining - gas_remaining / Gas::from(cap_divisor),
-				};
-
-				if let Some(Ok(r)) = requested {
-					Ok(min(r, max_gas_provided))
-				} else {
-					Ok(max_gas_provided)
-				}
-			},
-			_ => {
-				if let Some(r) = requested {
-					r
-				} else if self.current_gas >= needed {
-					Ok(self.current_gas - needed)
-				} else {
-					Ok(0.into())
-				}
-			},
-		}
-	}
-
-	#[cfg_attr(feature="dev", allow(cyclomatic_complexity))]
-	/// Determine how much gas is used by the given instruction, given the machine's state.
-	///
-	/// We guarantee that the final element of the returned tuple (`provided`) will be `Some`
-	/// iff the `instruction` is one of `CREATE`, or any of the `CALL` variants. In this case,
-	/// it will be the amount of gas that the current context provides to the child context.
-	pub fn requirements(
-		&mut self,
-		ext: &ext::Ext,
-		instruction: Instruction,
-		info: &InstructionInfo,
-		stack: &Stack<U256>,
-		current_mem_size: usize,
-	) -> evm::Result<InstructionRequirements<Gas>> {
-		let schedule = ext.schedule();
-		let tier = instructions::get_tier_idx(info.tier);
-		let default_gas = Gas::from(schedule.tier_step_gas[tier]);
-
-		let cost = match instruction {
-			instructions::JUMPDEST => {
-				Request::Gas(Gas::from(1))
-			},
-			instructions::SSTORE => {
-				let address = H256::from(stack.peek(0));
-				let newval = stack.peek(1);
-				let val = U256::from(&*ext.storage_at(&address)?);
-
-				let gas = if val.is_zero() && !newval.is_zero() {
-					schedule.sstore_set_gas
-				} else {
-					// Refund for below case is added when actually executing sstore
-					// !is_zero(&val) && is_zero(newval)
-					schedule.sstore_reset_gas
-				};
-				Request::Gas(Gas::from(gas))
-			},
-			instructions::SLOAD => {
-				Request::Gas(Gas::from(schedule.sload_gas))
-			},
-			instructions::BALANCE => {
-				Request::Gas(Gas::from(schedule.balance_gas))
-			},
-			instructions::EXTCODESIZE => {
-				Request::Gas(Gas::from(schedule.extcodesize_gas))
-			},
-			instructions::SUICIDE => {
-				let mut gas = Gas::from(schedule.suicide_gas);
-
-				let is_value_transfer = !ext.origin_balance()?.is_zero();
-				let address = u256_to_address(stack.peek(0));
-				if (
-					!schedule.no_empty && !ext.exists(&address)?
-				) || (
-					schedule.no_empty && is_value_transfer && !ext.exists_and_not_null(&address)?
-				) {
-					gas = overflowing!(gas.overflow_add(schedule.suicide_to_new_account_cost.into()));
-				}
-
-				Request::Gas(gas)
-			},
-			instructions::MSTORE | instructions::MLOAD => {
-				Request::GasMem(default_gas, mem_needed_const(stack.peek(0), 32)?)
-			},
-			instructions::MSTORE8 => {
-				Request::GasMem(default_gas, mem_needed_const(stack.peek(0), 1)?)
-			},
-			instructions::RETURN | instructions::REVERT => {
-				Request::GasMem(default_gas, mem_needed(stack.peek(0), stack.peek(1))?)
-			},
-			instructions::SHA3 => {
-				let w = overflowing!(add_gas_usize(Gas::from_u256(*stack.peek(1))?, 31));
-				let words = w >> 5;
-				let gas = Gas::from(schedule.sha3_gas) + (Gas::from(schedule.sha3_word_gas) * words);
-				Request::GasMem(gas, mem_needed(stack.peek(0), stack.peek(1))?)
-			},
-			instructions::CALLDATACOPY | instructions::CODECOPY | instructions::RETURNDATACOPY => {
-				Request::GasMemCopy(default_gas, mem_needed(stack.peek(0), stack.peek(2))?, Gas::from_u256(*stack.peek(2))?)
-			},
-			instructions::EXTCODECOPY => {
-				Request::GasMemCopy(schedule.extcodecopy_base_gas.into(), mem_needed(stack.peek(1), stack.peek(3))?, Gas::from_u256(*stack.peek(3))?)
-			},
-			instructions::LOG0...instructions::LOG4 => {
-				let no_of_topics = instructions::get_log_topics(instruction);
-				let log_gas = schedule.log_gas + schedule.log_topic_gas * no_of_topics;
-
-				let data_gas = overflowing!(Gas::from_u256(*stack.peek(1))?.overflow_mul(Gas::from(schedule.log_data_gas)));
-				let gas = overflowing!(data_gas.overflow_add(Gas::from(log_gas)));
-				Request::GasMem(gas, mem_needed(stack.peek(0), stack.peek(1))?)
-			},
-			instructions::CALL | instructions::CALLCODE => {
-				let mut gas = Gas::from(schedule.call_gas);
-				let mem = cmp::max(
-					mem_needed(stack.peek(5), stack.peek(6))?,
-					mem_needed(stack.peek(3), stack.peek(4))?
-				);
-
-				let address = u256_to_address(stack.peek(1));
-				let is_value_transfer = !stack.peek(2).is_zero();
-
-				if instruction == instructions::CALL && (
-					(!schedule.no_empty && !ext.exists(&address)?)
-					||
-					(schedule.no_empty && is_value_transfer && !ext.exists_and_not_null(&address)?)
-				) {
-					gas = overflowing!(gas.overflow_add(schedule.call_new_account_gas.into()));
-				}
-
-				if is_value_transfer {
-					gas = overflowing!(gas.overflow_add(schedule.call_value_transfer_gas.into()));
-				}
-
-				let requested = *stack.peek(0);
-
-				Request::GasMemProvide(gas, mem, Some(requested))
-			},
-			instructions::DELEGATECALL | instructions::STATICCALL => {
-				let gas = Gas::from(schedule.call_gas);
-				let mem = cmp::max(
-					mem_needed(stack.peek(4), stack.peek(5))?,
-					mem_needed(stack.peek(2), stack.peek(3))?
-				);
-				let requested = *stack.peek(0);
-
-				Request::GasMemProvide(gas, mem, Some(requested))
-			},
-			instructions::CREATE | instructions::CREATE2 => {
-				let gas = Gas::from(schedule.create_gas);
-				let mem = mem_needed(stack.peek(1), stack.peek(2))?;
-
-				Request::GasMemProvide(gas, mem, None)
-			},
-			instructions::EXP => {
-				let expon = stack.peek(1);
-				let bytes = ((expon.bits() + 7) / 8) as usize;
-				let gas = Gas::from(schedule.exp_gas + schedule.exp_byte_gas * bytes);
-				Request::Gas(gas)
-			},
-			instructions::BLOCKHASH => {
-				Request::Gas(Gas::from(schedule.blockhash_gas))
-			},
-			_ => Request::Gas(default_gas),
-		};
-
-		Ok(match cost {
-			Request::Gas(gas) => {
-				InstructionRequirements {
-					gas_cost: gas,
-					provide_gas: None,
-					memory_required_size: 0,
-					memory_total_gas: self.current_mem_gas,
-				}
-			},
-			Request::GasMem(gas, mem_size) => {
-				let (mem_gas_cost, new_mem_gas, new_mem_size) = self.mem_gas_cost(schedule, current_mem_size, &mem_size)?;
-				let gas = overflowing!(gas.overflow_add(mem_gas_cost));
-				InstructionRequirements {
-					gas_cost: gas,
-					provide_gas: None,
-					memory_required_size: new_mem_size,
-					memory_total_gas: new_mem_gas,
-				}
-			},
-			Request::GasMemProvide(gas, mem_size, requested) => {
-				let (mem_gas_cost, new_mem_gas, new_mem_size) = self.mem_gas_cost(schedule, current_mem_size, &mem_size)?;
-				let gas = overflowing!(gas.overflow_add(mem_gas_cost));
-				let provided = self.gas_provided(schedule, gas, requested)?;
-				let total_gas = overflowing!(gas.overflow_add(provided));
-
-				InstructionRequirements {
-					gas_cost: total_gas,
-					provide_gas: Some(provided),
-					memory_required_size: new_mem_size,
-					memory_total_gas: new_mem_gas,
-				}
-			},
-			Request::GasMemCopy(gas, mem_size, copy) => {
-				let (mem_gas_cost, new_mem_gas, new_mem_size) = self.mem_gas_cost(schedule, current_mem_size, &mem_size)?;
-				let copy = overflowing!(add_gas_usize(copy, 31)) >> 5;
-				let copy_gas = Gas::from(schedule.copy_gas) * copy;
-				let gas = overflowing!(gas.overflow_add(copy_gas));
-				let gas = overflowing!(gas.overflow_add(mem_gas_cost));
-
-				InstructionRequirements {
-					gas_cost: gas,
-					provide_gas: None,
-					memory_required_size: new_mem_size,
-					memory_total_gas: new_mem_gas,
-				}
-			},
-		})
-	}
-
-	fn mem_gas_cost(&self, schedule: &Schedule, current_mem_size: usize, mem_size: &Gas) -> evm::Result<(Gas, Gas, usize)> {
-		let gas_for_mem = |mem_size: Gas| {
-			let s = mem_size >> 5;
-			// s * memory_gas + s * s / quad_coeff_div
-			let a = overflowing!(s.overflow_mul(Gas::from(schedule.memory_gas)));
-
-			// Calculate s*s/quad_coeff_div
-			assert_eq!(schedule.quad_coeff_div, 512);
-			let b = overflowing!(s.overflow_mul_shr(s, 9));
-			Ok(overflowing!(a.overflow_add(b)))
-		};
-
-		let current_mem_size = Gas::from(current_mem_size);
-		let req_mem_size_rounded = (overflowing!(mem_size.overflow_add(Gas::from(31 as usize))) >> 5) << 5;
-
-		let (mem_gas_cost, new_mem_gas) = if req_mem_size_rounded > current_mem_size {
-			let new_mem_gas = gas_for_mem(req_mem_size_rounded)?;
-			(new_mem_gas - self.current_mem_gas, new_mem_gas)
-		} else {
-			(Gas::from(0), self.current_mem_gas)
-		};
-
-		Ok((mem_gas_cost, new_mem_gas, req_mem_size_rounded.as_usize()))
-	}
-}
-
-
-#[inline]
-fn mem_needed_const<Gas: evm::CostType>(mem: &U256, add: usize) -> evm::Result<Gas> {
-	Gas::from_u256(overflowing!(mem.overflowing_add(U256::from(add))))
-}
-
-#[inline]
-fn mem_needed<Gas: evm::CostType>(offset: &U256, size: &U256) -> evm::Result<Gas> {
-	if size.is_zero() {
-		return Ok(Gas::from(0));
-	}
-
-	Gas::from_u256(overflowing!(offset.overflowing_add(*size)))
-}
-
-#[inline]
-fn add_gas_usize<Gas: evm::CostType>(value: Gas, num: usize) -> (Gas, bool) {
-	value.overflow_add(Gas::from(num))
-}
-
-#[test]
-fn test_mem_gas_cost() {
-	// given
-	let gasometer = Gasometer::<U256>::new(U256::zero());
-	let schedule = Schedule::default();
-	let current_mem_size = 5;
-	let mem_size = !U256::zero();
-
-	// when
-	let result = gasometer.mem_gas_cost(&schedule, current_mem_size, &mem_size);
-
-	// then
-	if result.is_ok() {
-		assert!(false, "Should fail with OutOfGas");
-	}
-}
-
-#[test]
-fn test_calculate_mem_cost() {
-	// given
-	let gasometer = Gasometer::<usize>::new(0);
-	let schedule = Schedule::default();
-	let current_mem_size = 0;
-	let mem_size = 5;
-
-	// when
-	let (mem_cost, new_mem_gas, mem_size) = gasometer.mem_gas_cost(&schedule, current_mem_size, &mem_size).unwrap();
-
-	// then
-	assert_eq!(mem_cost, 3);
-	assert_eq!(new_mem_gas, 3);
-	assert_eq!(mem_size, 32);
-}
-

ethcore/evm/src/interpreter/informant.rs

@@ -1,164 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-pub use self::inner::*;
-
-#[macro_use]
-#[cfg(not(feature = "evm-debug"))]
-mod inner {
-	macro_rules! evm_debug {
-		($x: expr) => {}
-	}
-
-	pub struct EvmInformant;
-	impl EvmInformant {
-		pub fn new(_depth: usize) -> Self {
-			EvmInformant {}
-		}
-		pub fn done(&mut self) {}
-	}
-}
-
-#[macro_use]
-#[cfg(feature = "evm-debug")]
-mod inner {
-	use std::iter;
-	use std::collections::HashMap;
-	use std::time::{Instant, Duration};
-
-	use evm::interpreter::stack::Stack;
-	use evm::instructions::{Instruction, InstructionInfo, INSTRUCTIONS};
-	use evm::{CostType};
-
-	use util::U256;
-
-	macro_rules! evm_debug {
-		($x: expr) => {
-			$x
-		}
-	}
-
-	fn print(data: String) {
-		if cfg!(feature = "evm-debug-tests") {
-			println!("{}", data);
-		} else {
-			debug!(target: "evm", "{}", data);
-		}
-	}
-
-	pub struct EvmInformant {
-		spacing: String,
-		last_instruction: Instant,
-		stats: HashMap<Instruction, Stats>,
-	}
-
-	impl EvmInformant {
-
-		fn color(instruction: Instruction, name: &str) -> String {
-			let c = instruction as usize % 6;
-			let colors = [31, 34, 33, 32, 35, 36];
-			format!("\x1B[1;{}m{}\x1B[0m", colors[c], name)
-		}
-
-		fn as_micro(duration: &Duration) -> u64 {
-			let mut sec = duration.as_secs();
-			let subsec = duration.subsec_nanos() as u64;
-			sec = sec.saturating_mul(1_000_000u64);
-			sec += subsec / 1_000;
-			sec
-		}
-
-		pub fn new(depth: usize) -> Self {
-			EvmInformant {
-				spacing: iter::repeat(".").take(depth).collect(),
-				last_instruction: Instant::now(),
-				stats: HashMap::new(),
-			}
-		}
-
-		pub fn before_instruction<Cost: CostType>(&mut self, pc: usize, instruction: Instruction, info: &InstructionInfo, current_gas: &Cost, stack: &Stack<U256>) {
-			let time = self.last_instruction.elapsed();
-			self.last_instruction = Instant::now();
-
-			print(format!("{}[0x{:<3x}][{:>19}(0x{:<2x}) Gas Left: {:6?} (Previous took: {:10}μs)",
-				&self.spacing,
-				pc,
-				Self::color(instruction, info.name),
-				instruction,
-				current_gas,
-				Self::as_micro(&time),
-			));
-
-			if info.args > 0 {
-				for (idx, item) in stack.peek_top(info.args).iter().enumerate() {
-					print(format!("{}       |{:2}: {:?}", self.spacing, idx, item));
-				}
-			}
-		}
-
-		pub fn after_instruction(&mut self, instruction: Instruction) {
-			let mut stats = self.stats.entry(instruction).or_insert_with(|| Stats::default());
-			let took = self.last_instruction.elapsed();
-			stats.note(took);
-		}
-
-		pub fn done(&mut self) {
-			// Print out stats
-			let infos = &*INSTRUCTIONS;
-
-			let mut stats: Vec<(_,_)> = self.stats.drain().collect();
-			stats.sort_by(|ref a, ref b| b.1.avg().cmp(&a.1.avg()));
-
-			print(format!("\n{}-------OPCODE STATS:", self.spacing));
-			for (instruction, stats) in stats.into_iter() {
-				let info = infos[instruction as usize];
-				print(format!("{}-------{:>19}(0x{:<2x}) count: {:4}, avg: {:10}μs",
-					self.spacing,
-					Self::color(instruction, info.name),
-					instruction,
-					stats.count,
-					stats.avg(),
-				));
-			}
-		}
-
-	}
-
-	struct Stats {
-		count: u64,
-		total_duration: Duration,
-	}
-
-	impl Default for Stats {
-		fn default() -> Self {
-			Stats {
-				count: 0,
-				total_duration: Duration::from_secs(0),
-			}
-		}
-	}
-
-	impl Stats {
-		fn note(&mut self, took: Duration) {
-			self.count += 1;
-			self.total_duration += took;
-		}
-
-		fn avg(&self) -> u64 {
-			EvmInformant::as_micro(&self.total_duration) / self.count
-		}
-	}
-}

ethcore/evm/src/interpreter/memory.rs

@@ -1,195 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-use util::U256;
-use {ReturnData};
-
-const MAX_RETURN_WASTE_BYTES: usize = 16384;
-
-pub trait Memory {
-	/// Retrieve current size of the memory
-	fn size(&self) -> usize;
-	/// Resize (shrink or expand) the memory to specified size (fills 0)
-	fn resize(&mut self, new_size: usize);
-	/// Resize the memory only if its smaller
-	fn expand(&mut self, new_size: usize);
-	/// Write single byte to memory
-	fn write_byte(&mut self, offset: U256, value: U256);
-	/// Write a word to memory. Does not resize memory!
-	fn write(&mut self, offset: U256, value: U256);
-	/// Read a word from memory
-	fn read(&self, offset: U256) -> U256;
-	/// Write slice of bytes to memory. Does not resize memory!
-	fn write_slice(&mut self, offset: U256, &[u8]);
-	/// Retrieve part of the memory between offset and offset + size
-	fn read_slice(&self, offset: U256, size: U256) -> &[u8];
-	/// Retrieve writeable part of memory
-	fn writeable_slice(&mut self, offset: U256, size: U256) -> &mut[u8];
-	fn dump(&self);
-	/// Convert memory into return data.
-	fn into_return_data(self, offset: U256, size: U256) -> ReturnData;
-}
-
-/// Checks whether offset and size is valid memory range
-pub fn is_valid_range(off: usize, size: usize)  -> bool {
-	// When size is zero we haven't actually expanded the memory
-	let overflow = off.overflowing_add(size).1;
-	size > 0 && !overflow
-}
-
-impl Memory for Vec<u8> {
-	fn dump(&self) {
-		println!("MemoryDump:");
-		for i in self.iter() {
-			println!("{:02x} ", i);
-		}
-		println!("");
-	}
-
-	fn size(&self) -> usize {
-		self.len()
-	}
-
-	fn read_slice(&self, init_off_u: U256, init_size_u: U256) -> &[u8] {
-		let off = init_off_u.low_u64() as usize;
-		let size = init_size_u.low_u64() as usize;
-		if !is_valid_range(off, size) {
-			&self[0..0]
-		} else {
-			&self[off..off+size]
-		}
-	}
-
-	fn read(&self, offset: U256) -> U256 {
-		let off = offset.low_u64() as usize;
-		U256::from(&self[off..off+32])
-	}
-
-	fn writeable_slice(&mut self, offset: U256, size: U256) -> &mut [u8] {
-		let off = offset.low_u64() as usize;
-		let s = size.low_u64() as usize;
-		if !is_valid_range(off, s) {
-			&mut self[0..0]
-		} else {
-			&mut self[off..off+s]
-		}
-	}
-
-	fn write_slice(&mut self, offset: U256, slice: &[u8]) {
-		if !slice.is_empty() {
-			let off = offset.low_u64() as usize;
-			self[off..off+slice.len()].copy_from_slice(slice);
-		}
-	}
-
-	fn write(&mut self, offset: U256, value: U256) {
-		let off = offset.low_u64() as usize;
-		value.to_big_endian(&mut self[off..off+32]);
-	}
-
-	fn write_byte(&mut self, offset: U256, value: U256) {
-		let off = offset.low_u64() as usize;
-		let val = value.low_u64() as u64;
-		self[off] = val as u8;
-	}
-
-	fn resize(&mut self, new_size: usize) {
-		self.resize(new_size, 0);
-	}
-
-	fn expand(&mut self, size: usize) {
-		if size > self.len() {
-			Memory::resize(self, size)
-		}
-	}
-
-	fn into_return_data(mut self, offset: U256, size: U256) -> ReturnData {
-		let mut offset = offset.low_u64() as usize;
-		let size = size.low_u64() as usize;
-		if !is_valid_range(offset, size) {
-			return ReturnData::empty()
-		}
-		if self.len() - size > MAX_RETURN_WASTE_BYTES {
-			{ let _ =  self.drain(..offset); }
-			self.truncate(size);
-			self.shrink_to_fit();
-			offset = 0;
-		}
-		ReturnData::new(self, offset, size)
-	}
-}
-
-#[cfg(test)]
-mod tests {
-	use util::U256;
-	use super::Memory;
-
-	#[test]
-	fn test_memory_read_and_write() {
-		// given
-		let mem: &mut Memory = &mut vec![];
-		mem.resize(0x80 + 32);
-
-		// when
-		mem.write(U256::from(0x80), U256::from(0xabcdef));
-
-		// then
-		assert_eq!(mem.read(U256::from(0x80)), U256::from(0xabcdef));
-	}
-
-	#[test]
-	fn test_memory_read_and_write_byte() {
-		// given
-		let mem: &mut Memory = &mut vec![];
-		mem.resize(32);
-
-		// when
-		mem.write_byte(U256::from(0x1d), U256::from(0xab));
-		mem.write_byte(U256::from(0x1e), U256::from(0xcd));
-		mem.write_byte(U256::from(0x1f), U256::from(0xef));
-
-		// then
-		assert_eq!(mem.read(U256::from(0x00)), U256::from(0xabcdef));
-	}
-
-	#[test]
-	fn test_memory_read_slice_and_write_slice() {
-		let mem: &mut Memory = &mut vec![];
-		mem.resize(32);
-
-		{
-			let slice = "abcdefghijklmnopqrstuvwxyz012345".as_bytes();
-			mem.write_slice(U256::from(0), slice);
-
-			assert_eq!(mem.read_slice(U256::from(0), U256::from(32)), slice);
-		}
-
-		// write again
-		{
-			let slice = "67890".as_bytes();
-			mem.write_slice(U256::from(0x1), slice);
-
-			assert_eq!(mem.read_slice(U256::from(0), U256::from(7)), "a67890g".as_bytes());
-		}
-
-		// write empty slice out of bounds
-		{
-			let slice = [];
-			mem.write_slice(U256::from(0x1000), &slice);
-			assert_eq!(mem.size(), 32);
-		}
-	}
-}

ethcore/evm/src/interpreter/mod.rs

@@ -1,934 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-//! Rust VM implementation
-
-#[macro_use]
-mod informant;
-mod gasometer;
-mod stack;
-mod memory;
-mod shared_cache;
-
-use self::gasometer::Gasometer;
-use self::stack::{Stack, VecStack};
-use self::memory::Memory;
-pub use self::shared_cache::SharedCache;
-
-use std::marker::PhantomData;
-use action_params::{ActionParams, ActionValue};
-use call_type::CallType;
-use instructions::{self, Instruction, InstructionInfo};
-use evm::{self, GasLeft, CostType, ReturnData};
-use ext::{self, MessageCallResult, ContractCreateResult, CreateContractAddress};
-use bit_set::BitSet;
-
-use util::*;
-
-type ProgramCounter = usize;
-
-const ONE: U256 = U256([1, 0, 0, 0]);
-const TWO: U256 = U256([2, 0, 0, 0]);
-const TWO_POW_5: U256 = U256([0x20, 0, 0, 0]);
-const TWO_POW_8: U256 = U256([0x100, 0, 0, 0]);
-const TWO_POW_16: U256 = U256([0x10000, 0, 0, 0]);
-const TWO_POW_24: U256 = U256([0x1000000, 0, 0, 0]);
-const TWO_POW_64: U256 = U256([0, 0x1, 0, 0]); // 0x1 00000000 00000000
-const TWO_POW_96: U256 = U256([0, 0x100000000, 0, 0]); //0x1 00000000 00000000 00000000
-const TWO_POW_224: U256 = U256([0, 0, 0, 0x100000000]); //0x1 00000000 00000000 00000000 00000000 00000000 00000000 00000000
-const TWO_POW_248: U256 = U256([0, 0, 0, 0x100000000000000]); //0x1 00000000 00000000 00000000 00000000 00000000 00000000 00000000 000000
-
-/// Abstraction over raw vector of Bytes. Easier state management of PC.
-struct CodeReader<'a> {
-	position: ProgramCounter,
-	code: &'a [u8]
-}
-
-#[cfg_attr(feature="dev", allow(len_without_is_empty))]
-impl<'a> CodeReader<'a> {
-
-	/// Create new code reader - starting at position 0.
-	fn new(code: &'a [u8]) -> Self {
-		CodeReader {
-			position: 0,
-			code: code,
-		}
-	}
-
-	/// Get `no_of_bytes` from code and convert to U256. Move PC
-	fn read(&mut self, no_of_bytes: usize) -> U256 {
-		let pos = self.position;
-		self.position += no_of_bytes;
-		let max = cmp::min(pos + no_of_bytes, self.code.len());
-		U256::from(&self.code[pos..max])
-	}
-
-	fn len (&self) -> usize {
-		self.code.len()
-	}
-}
-
-enum InstructionResult<Gas> {
-	Ok,
-	UnusedGas(Gas),
-	JumpToPosition(U256),
-	StopExecutionNeedsReturn {
-		/// Gas left.
-		gas: Gas,
-		/// Return data offset.
-		init_off: U256,
-		/// Return data size.
-		init_size: U256,
-		/// Apply or revert state changes.
-		apply: bool,
-	},
-	StopExecution,
-}
-
-
-/// Intepreter EVM implementation
-pub struct Interpreter<Cost: CostType> {
-	mem: Vec<u8>,
-	cache: Arc<SharedCache>,
-	return_data: ReturnData,
-	_type: PhantomData<Cost>,
-}
-
-impl<Cost: CostType> evm::Evm for Interpreter<Cost> {
-	fn exec(&mut self, params: ActionParams, ext: &mut ext::Ext) -> evm::Result<GasLeft> {
-		self.mem.clear();
-
-		let mut informant = informant::EvmInformant::new(ext.depth());
-		let mut do_trace = true;
-
-		let code = &params.code.as_ref().expect("exec always called with code; qed");
-		let mut valid_jump_destinations = None;
-
-		let mut gasometer = Gasometer::<Cost>::new(Cost::from_u256(params.gas)?);
-		let mut stack = VecStack::with_capacity(ext.schedule().stack_limit, U256::zero());
-		let mut reader = CodeReader::new(code);
-		let infos = &*instructions::INSTRUCTIONS;
-
-		while reader.position < code.len() {
-			let instruction = code[reader.position];
-			reader.position += 1;
-
-			// TODO: make compile-time removable if too much of a performance hit.
-			do_trace = do_trace && ext.trace_next_instruction(reader.position - 1, instruction);
-
-			let info = &infos[instruction as usize];
-			self.verify_instruction(ext, instruction, info, &stack)?;
-
-			// Calculate gas cost
-			let requirements = gasometer.requirements(ext, instruction, info, &stack, self.mem.size())?;
-			if do_trace {
-				ext.trace_prepare_execute(reader.position - 1, instruction, requirements.gas_cost.as_u256());
-			}
-
-			gasometer.verify_gas(&requirements.gas_cost)?;
-			self.mem.expand(requirements.memory_required_size);
-			gasometer.current_mem_gas = requirements.memory_total_gas;
-			gasometer.current_gas = gasometer.current_gas - requirements.gas_cost;
-
-			evm_debug!({ informant.before_instruction(reader.position, instruction, info, &gasometer.current_gas, &stack) });
-
-			let (mem_written, store_written) = match do_trace {
-				true => (Self::mem_written(instruction, &stack), Self::store_written(instruction, &stack)),
-				false => (None, None),
-			};
-
-			// Execute instruction
-			let result = self.exec_instruction(
-				gasometer.current_gas, &params, ext, instruction, &mut reader, &mut stack, requirements.provide_gas
-			)?;
-
-			evm_debug!({ informant.after_instruction(instruction) });
-
-			if let InstructionResult::UnusedGas(ref gas) = result {
-				gasometer.current_gas = gasometer.current_gas + *gas;
-			}
-
-			if do_trace {
-				ext.trace_executed(
-					gasometer.current_gas.as_u256(),
-					stack.peek_top(info.ret),
-					mem_written.map(|(o, s)| (o, &(self.mem[o..o+s]))),
-					store_written,
-				);
-			}
-
-			// Advance
-			match result {
-				InstructionResult::JumpToPosition(position) => {
-					if valid_jump_destinations.is_none() {
-						let code_hash = params.code_hash.clone().unwrap_or_else(|| code.sha3());
-						valid_jump_destinations = Some(self.cache.jump_destinations(&code_hash, code));
-					}
-					let jump_destinations = valid_jump_destinations.as_ref().expect("jump_destinations are initialized on first jump; qed");
-					let pos = self.verify_jump(position, jump_destinations)?;
-					reader.position = pos;
-				},
-				InstructionResult::StopExecutionNeedsReturn {gas, init_off, init_size, apply} => {
-					informant.done();
-					let mem = mem::replace(&mut self.mem, Vec::new());
-					return Ok(GasLeft::NeedsReturn {
-						gas_left: gas.as_u256(),
-						data: mem.into_return_data(init_off, init_size),
-						apply_state: apply
-					});
-				},
-				InstructionResult::StopExecution => break,
-				_ => {},
-			}
-		}
-		informant.done();
-		Ok(GasLeft::Known(gasometer.current_gas.as_u256()))
-	}
-}
-
-impl<Cost: CostType> Interpreter<Cost> {
-	/// Create a new `Interpreter` instance with shared cache.
-	pub fn new(cache: Arc<SharedCache>) -> Interpreter<Cost> {
-		Interpreter {
-			mem: Vec::new(),
-			cache: cache,
-			return_data: ReturnData::empty(),
-			_type: PhantomData::default(),
-		}
-	}
-
-	fn verify_instruction(&self, ext: &ext::Ext, instruction: Instruction, info: &InstructionInfo, stack: &Stack<U256>) -> evm::Result<()> {
-		let schedule = ext.schedule();
-
-		if (instruction == instructions::DELEGATECALL && !schedule.have_delegate_call) ||
-			(instruction == instructions::CREATE2 && !schedule.have_create2) ||
-			(instruction == instructions::STATICCALL && !schedule.have_static_call) ||
-			((instruction == instructions::RETURNDATACOPY || instruction == instructions::RETURNDATASIZE) && !schedule.have_return_data) ||
-			(instruction == instructions::REVERT && !schedule.have_revert) {
-
-			return Err(evm::Error::BadInstruction {
-				instruction: instruction
-			});
-		}
-
-		if info.tier == instructions::GasPriceTier::Invalid {
-			return Err(evm::Error::BadInstruction {
-				instruction: instruction
-			});
-		}
-
-		if !stack.has(info.args) {
-			Err(evm::Error::StackUnderflow {
-				instruction: info.name,
-				wanted: info.args,
-				on_stack: stack.size()
-			})
-		} else if stack.size() - info.args + info.ret > schedule.stack_limit {
-			Err(evm::Error::OutOfStack {
-				instruction: info.name,
-				wanted: info.ret - info.args,
-				limit: schedule.stack_limit
-			})
-		} else {
-			Ok(())
-		}
-	}
-
-	fn mem_written(
-		instruction: Instruction,
-		stack: &Stack<U256>
-	) -> Option<(usize, usize)> {
-		let read = |pos| stack.peek(pos).low_u64() as usize;
-		let written = match instruction {
-			instructions::MSTORE | instructions::MLOAD => Some((read(0), 32)),
-			instructions::MSTORE8 => Some((read(0), 1)),
-			instructions::CALLDATACOPY | instructions::CODECOPY | instructions::RETURNDATACOPY => Some((read(0), read(2))),
-			instructions::EXTCODECOPY => Some((read(1), read(3))),
-			instructions::CALL | instructions::CALLCODE => Some((read(5), read(6))),
-			instructions::DELEGATECALL | instructions::STATICCALL => Some((read(4), read(5))),
-			_ => None,
-		};
-
-		match written {
-			Some((offset, size)) if !memory::is_valid_range(offset, size) => None,
-			written => written,
-		}
-	}
-
-	fn store_written(
-		instruction: Instruction,
-		stack: &Stack<U256>
-	) -> Option<(U256, U256)> {
-		match instruction {
-			instructions::SSTORE => Some((stack.peek(0).clone(), stack.peek(1).clone())),
-			_ => None,
-		}
-	}
-
-	#[cfg_attr(feature="dev", allow(too_many_arguments))]
-	fn exec_instruction(
-		&mut self,
-		gas: Cost,
-		params: &ActionParams,
-		ext: &mut ext::Ext,
-		instruction: Instruction,
-		code: &mut CodeReader,
-		stack: &mut Stack<U256>,
-		provided: Option<Cost>
-	) -> evm::Result<InstructionResult<Cost>> {
-		match instruction {
-			instructions::JUMP => {
-				let jump = stack.pop_back();
-				return Ok(InstructionResult::JumpToPosition(
-					jump
-				));
-			},
-			instructions::JUMPI => {
-				let jump = stack.pop_back();
-				let condition = stack.pop_back();
-				if !self.is_zero(&condition) {
-					return Ok(InstructionResult::JumpToPosition(
-						jump
-					));
-				}
-			},
-			instructions::JUMPDEST => {
-				// ignore
-			},
-			instructions::CREATE | instructions::CREATE2 => {
-				let endowment = stack.pop_back();
-				let init_off = stack.pop_back();
-				let init_size = stack.pop_back();
-
-				let address_scheme = if instruction == instructions::CREATE { CreateContractAddress::FromSenderAndNonce } else { CreateContractAddress::FromSenderAndCodeHash };
-				let create_gas = provided.expect("`provided` comes through Self::exec from `Gasometer::get_gas_cost_mem`; `gas_gas_mem_cost` guarantees `Some` when instruction is `CALL`/`CALLCODE`/`DELEGATECALL`/`CREATE`; this is `CREATE`; qed");
-
-				let contract_code = self.mem.read_slice(init_off, init_size);
-				let can_create = ext.balance(&params.address)? >= endowment && ext.depth() < ext.schedule().max_depth;
-
-				// clear return data buffer before creating new call frame.
-				self.return_data = ReturnData::empty();
-
-				if !can_create {
-					stack.push(U256::zero());
-					return Ok(InstructionResult::UnusedGas(create_gas));
-				}
-
-				let create_result = ext.create(&create_gas.as_u256(), &endowment, contract_code, address_scheme);
-				return match create_result {
-					ContractCreateResult::Created(address, gas_left) => {
-						stack.push(address_to_u256(address));
-						Ok(InstructionResult::UnusedGas(Cost::from_u256(gas_left).expect("Gas left cannot be greater.")))
-					},
-					ContractCreateResult::Reverted(gas_left, return_data) => {
-						stack.push(U256::zero());
-						self.return_data = return_data;
-						Ok(InstructionResult::UnusedGas(Cost::from_u256(gas_left).expect("Gas left cannot be greater.")))
-					},
-					ContractCreateResult::Failed => {
-						stack.push(U256::zero());
-						Ok(InstructionResult::Ok)
-					},
-					ContractCreateResult::FailedInStaticCall => {
-						Err(evm::Error::MutableCallInStaticContext)
-					},
-				};
-			},
-			instructions::CALL | instructions::CALLCODE | instructions::DELEGATECALL | instructions::STATICCALL => {
-				assert!(ext.schedule().call_value_transfer_gas > ext.schedule().call_stipend, "overflow possible");
-
-				stack.pop_back();
-				let call_gas = provided.expect("`provided` comes through Self::exec from `Gasometer::get_gas_cost_mem`; `gas_gas_mem_cost` guarantees `Some` when instruction is `CALL`/`CALLCODE`/`DELEGATECALL`/`CREATE`; this is one of `CALL`/`CALLCODE`/`DELEGATECALL`; qed");
-				let code_address = stack.pop_back();
-				let code_address = u256_to_address(&code_address);
-
-				let value = if instruction == instructions::DELEGATECALL {
-					None
-				} else if instruction == instructions::STATICCALL {
-					Some(U256::zero())
-				} else {
-					Some(stack.pop_back())
-				};
-
-				let in_off = stack.pop_back();
-				let in_size = stack.pop_back();
-				let out_off = stack.pop_back();
-				let out_size = stack.pop_back();
-
-				// Add stipend (only CALL|CALLCODE when value > 0)
-				let call_gas = call_gas + value.map_or_else(|| Cost::from(0), |val| match val.is_zero() {
-					false => Cost::from(ext.schedule().call_stipend),
-					true => Cost::from(0),
-				});
-
-				// Get sender & receive addresses, check if we have balance
-				let (sender_address, receive_address, has_balance, call_type) = match instruction {
-					instructions::CALL => {
-						if ext.is_static() && value.map_or(false, |v| !v.is_zero()) {
-							return Err(evm::Error::MutableCallInStaticContext);
-						}
-						let has_balance = ext.balance(&params.address)? >= value.expect("value set for all but delegate call; qed");
-						(&params.address, &code_address, has_balance, CallType::Call)
-					},
-					instructions::CALLCODE => {
-						let has_balance = ext.balance(&params.address)? >= value.expect("value set for all but delegate call; qed");
-						(&params.address, &params.address, has_balance, CallType::CallCode)
-					},
-					instructions::DELEGATECALL => (&params.sender, &params.address, true, CallType::DelegateCall),
-					instructions::STATICCALL => (&params.address, &code_address, true, CallType::StaticCall),
-					_ => panic!(format!("Unexpected instruction {} in CALL branch.", instruction))
-				};
-
-				// clear return data buffer before creating new call frame.
-				self.return_data = ReturnData::empty();
-
-				let can_call = has_balance && ext.depth() < ext.schedule().max_depth;
-				if !can_call {
-					stack.push(U256::zero());
-					return Ok(InstructionResult::UnusedGas(call_gas));
-				}
-
-				let call_result = {
-					// we need to write and read from memory in the same time
-					// and we don't want to copy
-					let input = unsafe { ::std::mem::transmute(self.mem.read_slice(in_off, in_size)) };
-					let output = self.mem.writeable_slice(out_off, out_size);
-					ext.call(&call_gas.as_u256(), sender_address, receive_address, value, input, &code_address, output, call_type)
-				};
-
-				return match call_result {
-					MessageCallResult::Success(gas_left, data) => {
-						stack.push(U256::one());
-						self.return_data = data;
-						Ok(InstructionResult::UnusedGas(Cost::from_u256(gas_left).expect("Gas left cannot be greater than current one")))
-					},
-					MessageCallResult::Reverted(gas_left, data) => {
-						stack.push(U256::zero());
-						self.return_data = data;
-						Ok(InstructionResult::UnusedGas(Cost::from_u256(gas_left).expect("Gas left cannot be greater than current one")))
-					},
-					MessageCallResult::Failed  => {
-						stack.push(U256::zero());
-						Ok(InstructionResult::Ok)
-					},
-				};
-			},
-			instructions::RETURN => {
-				let init_off = stack.pop_back();
-				let init_size = stack.pop_back();
-
-				return Ok(InstructionResult::StopExecutionNeedsReturn {gas: gas, init_off: init_off, init_size: init_size, apply: true})
-			},
-			instructions::REVERT => {
-				let init_off = stack.pop_back();
-				let init_size = stack.pop_back();
-
-				return Ok(InstructionResult::StopExecutionNeedsReturn {gas: gas, init_off: init_off, init_size: init_size, apply: false})
-			},
-			instructions::STOP => {
-				return Ok(InstructionResult::StopExecution);
-			},
-			instructions::SUICIDE => {
-				let address = stack.pop_back();
-				ext.suicide(&u256_to_address(&address))?;
-				return Ok(InstructionResult::StopExecution);
-			},
-			instructions::LOG0...instructions::LOG4 => {
-				let no_of_topics = instructions::get_log_topics(instruction);
-
-				let offset = stack.pop_back();
-				let size = stack.pop_back();
-				let topics = stack.pop_n(no_of_topics)
-					.iter()
-					.map(H256::from)
-					.collect();
-				ext.log(topics, self.mem.read_slice(offset, size))?;
-			},
-			instructions::PUSH1...instructions::PUSH32 => {
-				let bytes = instructions::get_push_bytes(instruction);
-				let val = code.read(bytes);
-				stack.push(val);
-			},
-			instructions::MLOAD => {
-				let word = self.mem.read(stack.pop_back());
-				stack.push(U256::from(word));
-			},
-			instructions::MSTORE => {
-				let offset = stack.pop_back();
-				let word = stack.pop_back();
-				Memory::write(&mut self.mem, offset, word);
-			},
-			instructions::MSTORE8 => {
-				let offset = stack.pop_back();
-				let byte = stack.pop_back();
-				self.mem.write_byte(offset, byte);
-			},
-			instructions::MSIZE => {
-				stack.push(U256::from(self.mem.size()));
-			},
-			instructions::SHA3 => {
-				let offset = stack.pop_back();
-				let size = stack.pop_back();
-				let sha3 = self.mem.read_slice(offset, size).sha3();
-				stack.push(U256::from(&*sha3));
-			},
-			instructions::SLOAD => {
-				let key = H256::from(&stack.pop_back());
-				let word = U256::from(&*ext.storage_at(&key)?);
-				stack.push(word);
-			},
-			instructions::SSTORE => {
-				let address = H256::from(&stack.pop_back());
-				let val = stack.pop_back();
-
-				let current_val = U256::from(&*ext.storage_at(&address)?);
-				// Increase refund for clear
-				if !self.is_zero(&current_val) && self.is_zero(&val) {
-					ext.inc_sstore_clears();
-				}
-				ext.set_storage(address, H256::from(&val))?;
-			},
-			instructions::PC => {
-				stack.push(U256::from(code.position - 1));
-			},
-			instructions::GAS => {
-				stack.push(gas.as_u256());
-			},
-			instructions::ADDRESS => {
-				stack.push(address_to_u256(params.address.clone()));
-			},
-			instructions::ORIGIN => {
-				stack.push(address_to_u256(params.origin.clone()));
-			},
-			instructions::BALANCE => {
-				let address = u256_to_address(&stack.pop_back());
-				let balance = ext.balance(&address)?;
-				stack.push(balance);
-			},
-			instructions::CALLER => {
-				stack.push(address_to_u256(params.sender.clone()));
-			},
-			instructions::CALLVALUE => {
-				stack.push(match params.value {
-					ActionValue::Transfer(val) | ActionValue::Apparent(val) => val
-				});
-			},
-			instructions::CALLDATALOAD => {
-				let big_id = stack.pop_back();
-				let id = big_id.low_u64() as usize;
-				let max = id.wrapping_add(32);
-				if let Some(data) = params.data.as_ref() {
-					let bound = cmp::min(data.len(), max);
-					if id < bound && big_id < U256::from(data.len()) {
-						let mut v = [0u8; 32];
-						v[0..bound-id].clone_from_slice(&data[id..bound]);
-						stack.push(U256::from(&v[..]))
-					} else {
-						stack.push(U256::zero())
-					}
-				} else {
-					stack.push(U256::zero())
-				}
-			},
-			instructions::CALLDATASIZE => {
-				stack.push(U256::from(params.data.clone().map_or(0, |l| l.len())));
-			},
-			instructions::CODESIZE => {
-				stack.push(U256::from(code.len()));
-			},
-			instructions::RETURNDATASIZE => {
-				stack.push(U256::from(self.return_data.len()))
-			},
-			instructions::EXTCODESIZE => {
-				let address = u256_to_address(&stack.pop_back());
-				let len = ext.extcodesize(&address)?;
-				stack.push(U256::from(len));
-			},
-			instructions::CALLDATACOPY => {
-				Self::copy_data_to_memory(&mut self.mem, stack, params.data.as_ref().map_or_else(|| &[] as &[u8], |d| &*d as &[u8]));
-			},
-			instructions::RETURNDATACOPY => {
-				{
-					let source_offset = stack.peek(1);
-					let size = stack.peek(2);
-					let return_data_len = U256::from(self.return_data.len());
-					if source_offset.overflow_add(*size).0 > return_data_len {
-						return Err(evm::Error::OutOfBounds);
-					}
-				}
-				Self::copy_data_to_memory(&mut self.mem, stack, &*self.return_data);
-			},
-			instructions::CODECOPY => {
-				Self::copy_data_to_memory(&mut self.mem, stack, params.code.as_ref().map_or_else(|| &[] as &[u8], |c| &**c as &[u8]));
-			},
-			instructions::EXTCODECOPY => {
-				let address = u256_to_address(&stack.pop_back());
-				let code = ext.extcode(&address)?;
-				Self::copy_data_to_memory(&mut self.mem, stack, &code);
-			},
-			instructions::GASPRICE => {
-				stack.push(params.gas_price.clone());
-			},
-			instructions::BLOCKHASH => {
-				let block_number = stack.pop_back();
-				let block_hash = ext.blockhash(&block_number);
-				stack.push(U256::from(&*block_hash));
-			},
-			instructions::COINBASE => {
-				stack.push(address_to_u256(ext.env_info().author.clone()));
-			},
-			instructions::TIMESTAMP => {
-				stack.push(U256::from(ext.env_info().timestamp));
-			},
-			instructions::NUMBER => {
-				stack.push(U256::from(ext.env_info().number));
-			},
-			instructions::DIFFICULTY => {
-				stack.push(ext.env_info().difficulty.clone());
-			},
-			instructions::GASLIMIT => {
-				stack.push(ext.env_info().gas_limit.clone());
-			},
-			_ => {
-				self.exec_stack_instruction(instruction, stack)?;
-			}
-		};
-		Ok(InstructionResult::Ok)
-	}
-
-	fn copy_data_to_memory(mem: &mut Vec<u8>, stack: &mut Stack<U256>, source: &[u8]) {
-		let dest_offset = stack.pop_back();
-		let source_offset = stack.pop_back();
-		let size = stack.pop_back();
-		let source_size = U256::from(source.len());
-
-		let output_end = match source_offset > source_size || size > source_size || source_offset + size > source_size {
-			true => {
-				let zero_slice = if source_offset > source_size {
-					mem.writeable_slice(dest_offset, size)
-				} else {
-					mem.writeable_slice(dest_offset + source_size - source_offset, source_offset + size - source_size)
-				};
-				for i in zero_slice.iter_mut() {
-					*i = 0;
-				}
-				source.len()
-			},
-			false => (size.low_u64() + source_offset.low_u64()) as usize
-		};
-
-		if source_offset < source_size {
-			let output_begin = source_offset.low_u64() as usize;
-			mem.write_slice(dest_offset, &source[output_begin..output_end]);
-		}
-	}
-
-	fn verify_jump(&self, jump_u: U256, valid_jump_destinations: &BitSet) -> evm::Result<usize> {
-		let jump = jump_u.low_u64() as usize;
-
-		if valid_jump_destinations.contains(jump) && U256::from(jump) == jump_u {
-			Ok(jump)
-		} else {
-			Err(evm::Error::BadJumpDestination {
-				destination: jump
-			})
-		}
-	}
-
-	fn is_zero(&self, val: &U256) -> bool {
-		val.is_zero()
-	}
-
-	fn bool_to_u256(&self, val: bool) -> U256 {
-		if val {
-			U256::one()
-		} else {
-			U256::zero()
-		}
-	}
-
-	fn exec_stack_instruction(&self, instruction: Instruction, stack: &mut Stack<U256>) -> evm::Result<()> {
-		match instruction {
-			instructions::DUP1...instructions::DUP16 => {
-				let position = instructions::get_dup_position(instruction);
-				let val = stack.peek(position).clone();
-				stack.push(val);
-			},
-			instructions::SWAP1...instructions::SWAP16 => {
-				let position = instructions::get_swap_position(instruction);
-				stack.swap_with_top(position)
-			},
-			instructions::POP => {
-				stack.pop_back();
-			},
-			instructions::ADD => {
-				let a = stack.pop_back();
-				let b = stack.pop_back();
-				stack.push(a.overflowing_add(b).0);
-			},
-			instructions::MUL => {
-				let a = stack.pop_back();
-				let b = stack.pop_back();
-				stack.push(a.overflowing_mul(b).0);
-			},
-			instructions::SUB => {
-				let a = stack.pop_back();
-				let b = stack.pop_back();
-				stack.push(a.overflowing_sub(b).0);
-			},
-			instructions::DIV => {
-				let a = stack.pop_back();
-				let b = stack.pop_back();
-				stack.push(if !self.is_zero(&b) {
-					match b {
-						ONE => a,
-						TWO => a >> 1,
-						TWO_POW_5 => a >> 5,
-						TWO_POW_8 => a >> 8,
-						TWO_POW_16 => a >> 16,
-						TWO_POW_24 => a >> 24,
-						TWO_POW_64 => a >> 64,
-						TWO_POW_96 => a >> 96,
-						TWO_POW_224 => a >> 224,
-						TWO_POW_248 => a >> 248,
-						_ => a.overflowing_div(b).0,
-					}
-				} else {
-					U256::zero()
-				});
-			},
-			instructions::MOD => {
-				let a = stack.pop_back();
-				let b = stack.pop_back();
-				stack.push(if !self.is_zero(&b) {
-					a.overflowing_rem(b).0
-				} else {
-					U256::zero()
-				});
-			},
-			instructions::SDIV => {
-				let (a, sign_a) = get_and_reset_sign(stack.pop_back());
-				let (b, sign_b) = get_and_reset_sign(stack.pop_back());
-
-				// -2^255
-				let min = (U256::one() << 255) - U256::one();
-				stack.push(if self.is_zero(&b) {
-					U256::zero()
-				} else if a == min && b == !U256::zero() {
-					min
-				} else {
-					let c = a.overflowing_div(b).0;
-					set_sign(c, sign_a ^ sign_b)
-				});
-			},
-			instructions::SMOD => {
-				let ua = stack.pop_back();
-				let ub = stack.pop_back();
-				let (a, sign_a) = get_and_reset_sign(ua);
-				let b = get_and_reset_sign(ub).0;
-
-				stack.push(if !self.is_zero(&b) {
-					let c = a.overflowing_rem(b).0;
-					set_sign(c, sign_a)
-				} else {
-					U256::zero()
-				});
-			},
-			instructions::EXP => {
-				let base = stack.pop_back();
-				let expon = stack.pop_back();
-				let res = base.overflowing_pow(expon).0;
-				stack.push(res);
-			},
-			instructions::NOT => {
-				let a = stack.pop_back();
-				stack.push(!a);
-			},
-			instructions::LT => {
-				let a = stack.pop_back();
-				let b = stack.pop_back();
-				stack.push(self.bool_to_u256(a < b));
-			},
-			instructions::SLT => {
-				let (a, neg_a) = get_and_reset_sign(stack.pop_back());
-				let (b, neg_b) = get_and_reset_sign(stack.pop_back());
-
-				let is_positive_lt = a < b && !(neg_a | neg_b);
-				let is_negative_lt = a > b && (neg_a & neg_b);
-				let has_different_signs = neg_a && !neg_b;
-
-				stack.push(self.bool_to_u256(is_positive_lt | is_negative_lt | has_different_signs));
-			},
-			instructions::GT => {
-				let a = stack.pop_back();
-				let b = stack.pop_back();
-				stack.push(self.bool_to_u256(a > b));
-			},
-			instructions::SGT => {
-				let (a, neg_a) = get_and_reset_sign(stack.pop_back());
-				let (b, neg_b) = get_and_reset_sign(stack.pop_back());
-
-				let is_positive_gt = a > b && !(neg_a | neg_b);
-				let is_negative_gt = a < b && (neg_a & neg_b);
-				let has_different_signs = !neg_a && neg_b;
-
-				stack.push(self.bool_to_u256(is_positive_gt | is_negative_gt | has_different_signs));
-			},
-			instructions::EQ => {
-				let a = stack.pop_back();
-				let b = stack.pop_back();
-				stack.push(self.bool_to_u256(a == b));
-			},
-			instructions::ISZERO => {
-				let a = stack.pop_back();
-				stack.push(self.bool_to_u256(self.is_zero(&a)));
-			},
-			instructions::AND => {
-				let a = stack.pop_back();
-				let b = stack.pop_back();
-				stack.push(a & b);
-			},
-			instructions::OR => {
-				let a = stack.pop_back();
-				let b = stack.pop_back();
-				stack.push(a | b);
-			},
-			instructions::XOR => {
-				let a = stack.pop_back();
-				let b = stack.pop_back();
-				stack.push(a ^ b);
-			},
-			instructions::BYTE => {
-				let word = stack.pop_back();
-				let val = stack.pop_back();
-				let byte = match word < U256::from(32) {
-					true => (val >> (8 * (31 - word.low_u64() as usize))) & U256::from(0xff),
-					false => U256::zero()
-				};
-				stack.push(byte);
-			},
-			instructions::ADDMOD => {
-				let a = stack.pop_back();
-				let b = stack.pop_back();
-				let c = stack.pop_back();
-
-				stack.push(if !self.is_zero(&c) {
-					// upcast to 512
-					let a5 = U512::from(a);
-					let res = a5.overflowing_add(U512::from(b)).0;
-					let x = res.overflowing_rem(U512::from(c)).0;
-					U256::from(x)
-				} else {
-					U256::zero()
-				});
-			},
-			instructions::MULMOD => {
-				let a = stack.pop_back();
-				let b = stack.pop_back();
-				let c = stack.pop_back();
-
-				stack.push(if !self.is_zero(&c) {
-					let a5 = U512::from(a);
-					let res = a5.overflowing_mul(U512::from(b)).0;
-					let x = res.overflowing_rem(U512::from(c)).0;
-					U256::from(x)
-				} else {
-					U256::zero()
-				});
-			},
-			instructions::SIGNEXTEND => {
-				let bit = stack.pop_back();
-				if bit < U256::from(32) {
-					let number = stack.pop_back();
-					let bit_position = (bit.low_u64() * 8 + 7) as usize;
-
-					let bit = number.bit(bit_position);
-					let mask = (U256::one() << bit_position) - U256::one();
-					stack.push(if bit {
-						number | !mask
-					} else {
-						number & mask
-					});
-				}
-			},
-			_ => {
-				return Err(evm::Error::BadInstruction {
-					instruction: instruction
-				});
-			}
-		}
-		Ok(())
-	}
-
-}
-
-fn get_and_reset_sign(value: U256) -> (U256, bool) {
-	let U256(arr) = value;
-	let sign = arr[3].leading_zeros() == 0;
-	(set_sign(value, sign), sign)
-}
-
-fn set_sign(value: U256, sign: bool) -> U256 {
-	if sign {
-		(!U256::zero() ^ value).overflowing_add(U256::one()).0
-	} else {
-		value
-	}
-}
-
-#[inline]
-fn u256_to_address(value: &U256) -> Address {
-	Address::from(H256::from(value))
-}
-
-#[inline]
-fn address_to_u256(value: Address) -> U256 {
-	U256::from(&*H256::from(value))
-}
-
-
-#[cfg(test)]
-mod tests {
-	use std::sync::Arc;
-	use rustc_hex::FromHex;
-	use vmtype::VMType;
-	use factory::Factory;
-	use vm::{self, ActionParams, ActionValue};
-	use vm::tests::{FakeExt, test_finalize};
-
-	#[test]
-	fn should_not_fail_on_tracing_mem() {
-		let code = "7feeffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff006000527faaffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffaa6020526000620f120660406000601773945304eb96065b2a98b57a48a06ae28d285a71b56101f4f1600055".from_hex().unwrap();
-
-		let mut params = ActionParams::default();
-		params.address = 5.into();
-		params.gas = 300_000.into();
-		params.gas_price = 1.into();
-		params.value = ActionValue::Transfer(100_000.into());
-		params.code = Some(Arc::new(code));
-		let mut ext = FakeExt::new();
-		ext.balances.insert(5.into(), 1_000_000_000.into());
-		ext.tracing = true;
-
-		let gas_left = {
-			let mut vm = Factory::new(VMType::Interpreter, 1).create(params.gas);
-			test_finalize(vm.exec(params, &mut ext)).unwrap()
-		};
-
-		assert_eq!(ext.calls.len(), 1);
-		assert_eq!(gas_left, 248_212.into());
-	}
-}