Merge branch 'beta' of github.com:ethcore/parity into beta

* Handle invalid ABI gracefully

* Also include failed abi in log

.gitlab-ci.yml

@@ -38,7 +38,7 @@ linux-stable:
     - 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: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
@@ -47,6 +47,41 @@ linux-stable:
     paths:
     - target/release/parity
     name: "stable-x86_64-unknown-linux-gnu_parity"
+linux-stable-debian:
+  stage: build
+  image: ethcore/rust-debian:latest
+  only:
+    - beta
+    - tags
+    - stable
+    - triggers
+  script:
+    - cargo build -j $(nproc) --release --features final $CARGOFLAGS
+    - strip target/release/parity
+    - export SHA3=$(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
+    - 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 [[ $CI_BUILD_REF_NAME =~ ^(master|beta|stable)$ ]]; 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/$CI_BUILD_REF_NAME/x86_64-unknown-debian-gnu
+  tags:
+    - rust
+    - rust-debian
+  artifacts:
+    paths:
+    - target/release/parity
+    name: "stable-x86_64-unknown-debian-gnu_parity"
 linux-beta:
   stage: build
   image: ethcore/rust:beta
@@ -107,7 +142,7 @@ linux-centos:
     - aws s3 rm --recursive s3://$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 $CI_BUILD_REF_NAME/x86_64-unknown-centos-gnu/parity.md5 --body parity.md5
-#    - curl --data "commit=$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=$RELEASES_SECRET" http://update.parity.io:1337/push-build/$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
@@ -146,7 +181,7 @@ linux-i686:
     - 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: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
@@ -192,7 +227,7 @@ linux-armv7:
     - 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: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
@@ -238,7 +273,7 @@ linux-arm:
     - 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=$RELEASES_SECRET" http://icarus.parity.io:1337/push-build/$CI_BUILD_REF_NAME/$PLATFORM
+    - curl --data "commit=$CI_BUILD_REF&sha3=$SHA3&filename=parity&secret=$RELEASES_SECRET" http://update.parity.io: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/$PLATFORM
   tags:
     - rust
@@ -252,10 +287,10 @@ linux-armv6:
   stage: build
   image: ethcore/rust-armv6:latest
   only:
-    - beta
+#    - beta
 #    - tags
 #    - stable
-#    - triggers
+    - triggers
   script:
     - export CC=arm-linux-gnueabi-gcc
     - export CXX=arm-linux-gnueabi-g++
@@ -277,7 +312,7 @@ linux-armv6:
     - aws s3 rm --recursive s3://$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
-#    - 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: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
@@ -322,7 +357,7 @@ linux-aarch64:
     - 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: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/$PLATFORM
   tags:
     - rust
@@ -339,28 +374,29 @@ darwin:
     - tags
     - stable
     - triggers
-  script:
-    - export COMMIT=$(git rev-parse HEAD)
-    - export PLATFORM=x86_64-apple-darwin
-    - cargo build -j 8 --features final --release #$CARGOFLAGS
-    - cargo build -j 8 --features final --release -p ethstore #$CARGOFLAGS
-    - rm -rf parity.md5
-    - md5sum target/release/parity > parity.md5
-    - export SHA3=$(target/release/parity tools hash target/release/parity)
-    - packagesbuild -v mac/Parity.pkgproj
-    - export VER=$(grep -m 1 version Cargo.toml | awk '{print $3}' | tr -d '"' | tr -d "\n")
-    - mv target/release/Parity\ Ethereum.pkg "parity-"$VER"-osx-installer-EXPERIMENTAL.pkg"
-    - md5sum "parity-"$VER"-osx-installer-EXPERIMENTAL.pkg" >> "parity-"$VER"-osx-installer-EXPERIMENTAL.pkg.md5"
-    - aws configure set aws_access_key_id $s3_key
-    - aws configure set aws_secret_access_key $s3_secret
-    - if [[ $CI_BUILD_REF_NAME =~ ^(master|beta|stable)$ ]]; 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-"$VER"-osx-installer-EXPERIMENTAL.pkg" --body "parity-"$VER"-osx-installer-EXPERIMENTAL.pkg"
-    - aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/$PLATFORM/"parity-"$VER"-osx-installer-EXPERIMENTAL.pkg.md5" --body "parity-"$VER"-osx-installer-EXPERIMENTAL.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
+  script: |
+      export COMMIT=$(git rev-parse HEAD)
+      export PLATFORM=x86_64-apple-darwin
+      cargo build -j 8 --features final --release #$CARGOFLAGS
+      cargo build -j 8 --features final --release -p ethstore #$CARGOFLAGS
+      cargo build -j 8 --features final --release -p evmbin #$CARGOFLAGS
+      rm -rf parity.md5
+      md5sum target/release/parity > parity.md5
+      export SHA3=$(target/release/parity tools hash target/release/parity)
+      packagesbuild -v mac/Parity.pkgproj
+      export VER=$(grep -m 1 version Cargo.toml | awk '{print $3}' | tr -d '"' | tr -d "\n")
+      mv target/release/Parity\ Ethereum.pkg "parity-"$VER"-osx-installer-EXPERIMENTAL.pkg"
+      md5sum "parity-"$VER"-osx-installer-EXPERIMENTAL.pkg" >> "parity-"$VER"-osx-installer-EXPERIMENTAL.pkg.md5"
+      aws configure set aws_access_key_id $s3_key
+      aws configure set aws_secret_access_key $s3_secret
+      if [[ $CI_BUILD_REF_NAME =~ ^(master|beta|stable)$ ]]; 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-"$VER"-osx-installer-EXPERIMENTAL.pkg" --body "parity-"$VER"-osx-installer-EXPERIMENTAL.pkg"
+      aws s3api put-object --bucket $S3_BUCKET --key $CI_BUILD_REF_NAME/$PLATFORM/"parity-"$VER"-osx-installer-EXPERIMENTAL.pkg.md5" --body "parity-"$VER"-osx-installer-EXPERIMENTAL.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:
@@ -383,7 +419,7 @@ windows:
     - 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
+    - rustup default 1.14.0-x86_64-pc-windows-msvc
     - cargo build --features final --release #%CARGOFLAGS%
     - signtool sign /f %keyfile% /p %certpass% target\release\parity.exe
     - target\release\parity.exe tools hash target\release\parity.exe > parity.sha3
@@ -421,7 +457,7 @@ windows:
     - 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: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
@@ -431,6 +467,19 @@ windows:
     - target/release/parity.pdb
     - nsis/InstallParity.exe
     name: "x86_64-pc-windows-msvc_parity"
+docker-build:
+  stage: build
+  only:
+    - tags
+  before_script:
+    - docker info
+  script:
+    - cd docker/hub
+    - docker login -u $Docker_Hub_User -p $Docker_Hub_Pass
+    - docker build --tag ethcore/parity:$CI_BUILD_REF_NAME .
+    - docker push ethcore/parity:$CI_BUILD_REF_NAME
+  tags:
+    - docker
 test-darwin:
   stage: test
   only:
@@ -452,7 +501,7 @@ test-windows:
     - git submodule update --init --recursive
   script:
     - set RUST_BACKTRACE=1
-    - echo cargo test --features json-tests -p rlp -p ethash -p ethcore -p ethcore-bigint -p ethcore-dapps -p ethcore-rpc -p ethcore-signer -p ethcore-util -p ethcore-network -p ethcore-io -p ethkey -p ethstore -p ethsync -p ethcore-ipc -p ethcore-ipc-tests -p ethcore-ipc-nano -p parity %CARGOFLAGS% --verbose --release
+    - echo cargo test --features json-tests -p rlp -p ethash -p ethcore -p ethcore-bigint -p ethcore-dapps -p ethcore-rpc -p ethcore-signer -p ethcore-util -p ethcore-network -p ethcore-io -p ethkey -p ethstore -p evmbin -p ethsync -p ethcore-ipc -p ethcore-ipc-tests -p ethcore-ipc-nano -p parity %CARGOFLAGS% --verbose --release
   tags:
     - rust-windows
   allow_failure: true
@@ -529,13 +578,10 @@ js-release:
 push-release:
   stage: push-release
   only:
-    - beta
     - tags
-    - stable
-    - triggers
   image: ethcore/rust:stable
   script:
-#    - curl --data "secret=$RELEASES_SECRET" http://update.parity.io:1337/push-release/$CI_BUILD_REF_NAME/$CI_BUILD_REF
+    - curl --data "secret=$RELEASES_SECRET" http://update.parity.io:1337/push-release/$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

Cargo.lock

@@ -1,6 +1,6 @@
 [root]
 name = "parity"
-version = "1.5.0"
+version = "1.5.3"
 dependencies = [
  "ansi_term 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "app_dirs 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -23,8 +23,9 @@ dependencies = [
  "ethcore-rpc 1.5.0",
  "ethcore-signer 1.5.0",
  "ethcore-stratum 1.5.0",
- "ethcore-util 1.5.0",
+ "ethcore-util 1.5.3",
  "ethsync 1.5.0",
+ "evmbin 1.5.0",
  "fdlimit 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.9.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "isatty 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -72,6 +73,11 @@ name = "ansi_term"
 version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "antidote"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "app_dirs"
 version = "1.1.1"
@@ -292,6 +298,11 @@ name = "dtoa"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "dtoa"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "elastic-array"
 version = "0.6.0"
@@ -362,7 +373,7 @@ dependencies = [
  "ethcore-ipc 1.5.0",
  "ethcore-ipc-codegen 1.5.0",
  "ethcore-ipc-nano 1.5.0",
- "ethcore-util 1.5.0",
+ "ethcore-util 1.5.3",
  "ethjson 0.1.0",
  "ethkey 0.2.0",
  "ethstore 0.1.0",
@@ -390,6 +401,7 @@ version = "0.1.2"
 dependencies = [
  "bigint 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "heapsize 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -409,12 +421,12 @@ dependencies = [
  "env_logger 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethcore-devtools 1.5.0",
  "ethcore-rpc 1.5.0",
- "ethcore-util 1.5.0",
+ "ethcore-util 1.5.3",
  "fetch 0.1.0",
  "futures 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.10.0-a.0 (git+https://github.com/ethcore/hyper)",
- "jsonrpc-core 4.0.0 (git+https://github.com/ethcore/jsonrpc.git)",
- "jsonrpc-http-server 6.1.1 (git+https://github.com/ethcore/jsonrpc.git)",
+ "jsonrpc-core 4.0.0 (git+https://github.com/ethcore/jsonrpc.git?branch=mio-old)",
+ "jsonrpc-http-server 6.1.1 (git+https://github.com/ethcore/jsonrpc.git?branch=mio-old)",
  "linked-hash-map 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "mime 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -457,7 +469,7 @@ name = "ethcore-ipc"
 version = "1.5.0"
 dependencies = [
  "ethcore-devtools 1.5.0",
- "ethcore-util 1.5.0",
+ "ethcore-util 1.5.3",
  "nanomsg 0.5.1 (git+https://github.com/ethcore/nanomsg.rs.git)",
  "semver 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -504,7 +516,7 @@ dependencies = [
  "ethcore-ipc 1.5.0",
  "ethcore-ipc-codegen 1.5.0",
  "ethcore-ipc-nano 1.5.0",
- "ethcore-util 1.5.0",
+ "ethcore-util 1.5.3",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "nanomsg 0.5.1 (git+https://github.com/ethcore/nanomsg.rs.git)",
  "semver 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -519,7 +531,7 @@ dependencies = [
  "ethcore-ipc 1.5.0",
  "ethcore-ipc-codegen 1.5.0",
  "ethcore-network 1.5.0",
- "ethcore-util 1.5.0",
+ "ethcore-util 1.5.3",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rlp 0.1.0",
  "smallvec 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -531,7 +543,7 @@ name = "ethcore-logger"
 version = "1.5.0"
 dependencies = [
  "env_logger 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "ethcore-util 1.5.0",
+ "ethcore-util 1.5.3",
  "isatty 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -547,7 +559,7 @@ dependencies = [
  "bytes 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethcore-devtools 1.5.0",
  "ethcore-io 1.5.0",
- "ethcore-util 1.5.0",
+ "ethcore-util 1.5.3",
  "ethcrypto 0.1.0",
  "ethkey 0.2.0",
  "igd 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -574,7 +586,7 @@ dependencies = [
  "ethcore-devtools 1.5.0",
  "ethcore-io 1.5.0",
  "ethcore-ipc 1.5.0",
- "ethcore-util 1.5.0",
+ "ethcore-util 1.5.3",
  "ethcrypto 0.1.0",
  "ethjson 0.1.0",
  "ethkey 0.2.0",
@@ -582,10 +594,10 @@ dependencies = [
  "ethsync 1.5.0",
  "fetch 0.1.0",
  "futures 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-core 4.0.0 (git+https://github.com/ethcore/jsonrpc.git)",
- "jsonrpc-http-server 6.1.1 (git+https://github.com/ethcore/jsonrpc.git)",
- "jsonrpc-ipc-server 0.2.4 (git+https://github.com/ethcore/jsonrpc.git)",
- "jsonrpc-macros 0.1.0 (git+https://github.com/ethcore/jsonrpc.git)",
+ "jsonrpc-core 4.0.0 (git+https://github.com/ethcore/jsonrpc.git?branch=mio-old)",
+ "jsonrpc-http-server 6.1.1 (git+https://github.com/ethcore/jsonrpc.git?branch=mio-old)",
+ "jsonrpc-ipc-server 0.2.4 (git+https://github.com/ethcore/jsonrpc.git?branch=mio-old)",
+ "jsonrpc-macros 0.1.0 (git+https://github.com/ethcore/jsonrpc.git?branch=mio-old)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-reactor 0.1.0",
  "parity-updater 1.5.0",
@@ -609,8 +621,8 @@ dependencies = [
  "ethcore-devtools 1.5.0",
  "ethcore-io 1.5.0",
  "ethcore-rpc 1.5.0",
- "ethcore-util 1.5.0",
- "jsonrpc-core 4.0.0 (git+https://github.com/ethcore/jsonrpc.git)",
+ "ethcore-util 1.5.3",
+ "jsonrpc-core 4.0.0 (git+https://github.com/ethcore/jsonrpc.git?branch=mio-old)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-dapps-glue 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-ui 1.5.0",
@@ -628,9 +640,9 @@ dependencies = [
  "ethcore-ipc 1.5.0",
  "ethcore-ipc-codegen 1.5.0",
  "ethcore-ipc-nano 1.5.0",
- "ethcore-util 1.5.0",
- "jsonrpc-core 4.0.0 (git+https://github.com/ethcore/jsonrpc.git)",
- "jsonrpc-tcp-server 0.1.0 (git+https://github.com/ethcore/jsonrpc.git)",
+ "ethcore-util 1.5.3",
+ "jsonrpc-core 4.0.0 (git+https://github.com/ethcore/jsonrpc.git?branch=mio-old)",
+ "jsonrpc-tcp-server 0.1.0 (git+https://github.com/ethcore/jsonrpc.git?branch=mio-old)",
  "lazy_static 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.5.1 (git+https://github.com/ethcore/mio?branch=v0.5.x)",
@@ -639,7 +651,7 @@ dependencies = [
 
 [[package]]
 name = "ethcore-util"
-version = "1.5.0"
+version = "1.5.3"
 dependencies = [
  "ansi_term 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "arrayvec 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -688,7 +700,7 @@ dependencies = [
 name = "ethjson"
 version = "0.1.0"
 dependencies = [
- "ethcore-util 1.5.0",
+ "ethcore-util 1.5.3",
  "rustc-serialize 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 0.8.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_codegen 0.8.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -744,7 +756,7 @@ dependencies = [
  "ethcore-ipc-nano 1.5.0",
  "ethcore-light 1.5.0",
  "ethcore-network 1.5.0",
- "ethcore-util 1.5.0",
+ "ethcore-util 1.5.3",
  "ethkey 0.2.0",
  "heapsize 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -755,6 +767,16 @@ dependencies = [
  "time 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "evmbin"
+version = "1.5.0"
+dependencies = [
+ "docopt 0.6.80 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ethcore 1.5.0",
+ "ethcore-util 1.5.3",
+ "rustc-serialize 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "evmjit"
 version = "1.5.0"
@@ -778,7 +800,8 @@ dependencies = [
  "futures-cpupool 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "mime 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "reqwest 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking_lot 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "reqwest 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -879,7 +902,7 @@ dependencies = [
 [[package]]
 name = "hyper"
 version = "0.10.0-a.0"
-source = "git+https://github.com/ethcore/hyper#7d4f7fa0baddcb2b0c523f7c05855d67de94fe88"
+source = "git+https://github.com/ethcore/hyper#6baea9d444dd1652220ee9b4aeadaebb3de6a955"
 dependencies = [
  "cookie 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "httparse 1.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -895,6 +918,35 @@ dependencies = [
  "vecio 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "hyper"
+version = "0.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "httparse 1.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "language-tags 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mime 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-serialize 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc_version 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
+ "traitobject 0.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "typeable 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicase 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "hyper-native-tls"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "antidote 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper 0.10.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "native-tls 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "idna"
 version = "0.1.0"
@@ -923,7 +975,7 @@ version = "1.5.0"
 dependencies = [
  "ethcore-ipc 1.5.0",
  "ethcore-ipc-codegen 1.5.0",
- "ethcore-util 1.5.0",
+ "ethcore-util 1.5.3",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "semver 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -948,10 +1000,15 @@ name = "itoa"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "itoa"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "jsonrpc-core"
 version = "4.0.0"
-source = "git+https://github.com/ethcore/jsonrpc.git#33262d626a294a00c20435dec331058ba65e224a"
+source = "git+https://github.com/ethcore/jsonrpc.git?branch=mio-old#057cc58a849d18933a9cce60a33559c7505bd7ce"
 dependencies = [
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -963,10 +1020,10 @@ dependencies = [
 [[package]]
 name = "jsonrpc-http-server"
 version = "6.1.1"
-source = "git+https://github.com/ethcore/jsonrpc.git#33262d626a294a00c20435dec331058ba65e224a"
+source = "git+https://github.com/ethcore/jsonrpc.git?branch=mio-old#057cc58a849d18933a9cce60a33559c7505bd7ce"
 dependencies = [
  "hyper 0.10.0-a.0 (git+https://github.com/ethcore/hyper)",
- "jsonrpc-core 4.0.0 (git+https://github.com/ethcore/jsonrpc.git)",
+ "jsonrpc-core 4.0.0 (git+https://github.com/ethcore/jsonrpc.git?branch=mio-old)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicase 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -974,11 +1031,11 @@ dependencies = [
 [[package]]
 name = "jsonrpc-ipc-server"
 version = "0.2.4"
-source = "git+https://github.com/ethcore/jsonrpc.git#33262d626a294a00c20435dec331058ba65e224a"
+source = "git+https://github.com/ethcore/jsonrpc.git?branch=mio-old#057cc58a849d18933a9cce60a33559c7505bd7ce"
 dependencies = [
  "bytes 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-core 4.0.0 (git+https://github.com/ethcore/jsonrpc.git)",
+ "jsonrpc-core 4.0.0 (git+https://github.com/ethcore/jsonrpc.git?branch=mio-old)",
  "lazy_static 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -989,20 +1046,20 @@ dependencies = [
 [[package]]
 name = "jsonrpc-macros"
 version = "0.1.0"
-source = "git+https://github.com/ethcore/jsonrpc.git#33262d626a294a00c20435dec331058ba65e224a"
+source = "git+https://github.com/ethcore/jsonrpc.git?branch=mio-old#057cc58a849d18933a9cce60a33559c7505bd7ce"
 dependencies = [
- "jsonrpc-core 4.0.0 (git+https://github.com/ethcore/jsonrpc.git)",
+ "jsonrpc-core 4.0.0 (git+https://github.com/ethcore/jsonrpc.git?branch=mio-old)",
  "serde 0.8.19 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "jsonrpc-tcp-server"
 version = "0.1.0"
-source = "git+https://github.com/ethcore/jsonrpc.git#33262d626a294a00c20435dec331058ba65e224a"
+source = "git+https://github.com/ethcore/jsonrpc.git?branch=mio-old#057cc58a849d18933a9cce60a33559c7505bd7ce"
 dependencies = [
  "bytes 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-core 4.0.0 (git+https://github.com/ethcore/jsonrpc.git)",
+ "jsonrpc-core 4.0.0 (git+https://github.com/ethcore/jsonrpc.git?branch=mio-old)",
  "lazy_static 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1443,7 +1500,7 @@ name = "parity-hash-fetch"
 version = "1.5.0"
 dependencies = [
  "ethabi 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "ethcore-util 1.5.0",
+ "ethcore-util 1.5.3",
  "fetch 0.1.0",
  "futures 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1468,9 +1525,9 @@ version = "1.4.0"
 dependencies = [
  "ethcore-rpc 1.5.0",
  "ethcore-signer 1.5.0",
- "ethcore-util 1.5.0",
+ "ethcore-util 1.5.3",
  "futures 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-core 4.0.0 (git+https://github.com/ethcore/jsonrpc.git)",
+ "jsonrpc-core 4.0.0 (git+https://github.com/ethcore/jsonrpc.git?branch=mio-old)",
  "lazy_static 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "matches 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1487,7 +1544,7 @@ name = "parity-ui"
 version = "1.5.0"
 dependencies = [
  "parity-ui-dev 1.4.0",
- "parity-ui-precompiled 1.4.0 (git+https://github.com/ethcore/js-precompiled.git)",
+ "parity-ui-precompiled 1.4.0 (git+https://github.com/ethcore/js-precompiled.git?branch=beta)",
  "rustc_version 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1501,7 +1558,7 @@ dependencies = [
 [[package]]
 name = "parity-ui-precompiled"
 version = "1.4.0"
-source = "git+https://github.com/ethcore/js-precompiled.git#66ef86da6f741953694199813e1eb6b76b3f5b5f"
+source = "git+https://github.com/ethcore/js-precompiled.git?branch=beta#24137b8138964ea1cbada452aa56f8f5fe24bcaa"
 dependencies = [
  "parity-dapps-glue 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1514,7 +1571,7 @@ dependencies = [
  "ethcore 1.5.0",
  "ethcore-ipc 1.5.0",
  "ethcore-ipc-codegen 1.5.0",
- "ethcore-util 1.5.0",
+ "ethcore-util 1.5.3",
  "ethsync 1.5.0",
  "ipc-common-types 1.5.0",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1714,15 +1771,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "reqwest"
-version = "0.2.0"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "hyper 0.9.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper 0.10.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper-native-tls 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "native-tls 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 0.8.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_urlencoded 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 0.9.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 0.9.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_urlencoded 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1794,7 +1851,7 @@ version = "1.4.0"
 dependencies = [
  "ethcore-bigint 0.1.2",
  "ethcore-rpc 1.5.0",
- "ethcore-util 1.5.0",
+ "ethcore-util 1.5.3",
  "futures 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-rpc-client 1.4.0",
  "rpassword 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1908,6 +1965,11 @@ name = "serde"
 version = "0.8.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "serde"
+version = "0.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "serde_codegen"
 version = "0.8.4"
@@ -1942,11 +2004,24 @@ dependencies = [
 ]
 
 [[package]]
-name = "serde_urlencoded"
-version = "0.3.0"
+name = "serde_json"
+version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 0.8.19 (registry+https://github.com/rust-lang/crates.io-index)",
+ "dtoa 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itoa 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 0.9.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "serde_urlencoded"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "dtoa 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itoa 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 0.9.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2363,6 +2438,7 @@ dependencies = [
 "checksum advapi32-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e06588080cb19d0acb6739808aafa5f26bfb2ca015b2b6370028b44cf7cb8a9a"
 "checksum aho-corasick 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "67077478f0a03952bed2e6786338d400d40c25e9836e08ad50af96607317fd03"
 "checksum ansi_term 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "1f46cd5b1d660c938e3f92dfe7a73d832b3281479363dd0cd9c1c2fbf60f7962"
+"checksum antidote 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "34fde25430d87a9388dadbe6e34d7f72a462c8b43ac8d309b42b0a8505d7e2a5"
 "checksum app_dirs 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b7d1c0d48a81bbb13043847f957971f4d87c81542d80ece5e84ba3cba4058fd4"
 "checksum arrayvec 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)" = "16e3bdb2f54b3ace0285975d59a97cf8ed3855294b2b6bc651fcf22a9c352975"
 "checksum aster 0.17.0 (registry+https://github.com/rust-lang/crates.io-index)" = "07d344974f0a155f091948aa389fb1b912d3a58414fbdb9c8d446d193ee3496a"
@@ -2392,6 +2468,7 @@ dependencies = [
 "checksum deque 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1614659040e711785ed8ea24219140654da1729f3ec8a47a9719d041112fe7bf"
 "checksum docopt 0.6.80 (registry+https://github.com/rust-lang/crates.io-index)" = "4cc0acb4ce0828c6a5a11d47baa432fe885881c27428c3a4e473e454ffe57a76"
 "checksum dtoa 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "0dd841b58510c9618291ffa448da2e4e0f699d984d436122372f446dae62263d"
+"checksum dtoa 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5edd69c67b2f8e0911629b7e6b8a34cb3956613cd7c6e6414966dee349c2db4f"
 "checksum elastic-array 0.6.0 (git+https://github.com/ethcore/elastic-array)" = "<none>"
 "checksum env_logger 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "aba65b63ffcc17ffacd6cf5aa843da7c5a25e3bd4bbe0b7def8b214e411250e5"
 "checksum eth-secp256k1 0.5.4 (git+https://github.com/ethcore/rust-secp256k1)" = "<none>"
@@ -2408,17 +2485,20 @@ dependencies = [
 "checksum hpack 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3d2da7d3a34cf6406d9d700111b8eafafe9a251de41ae71d8052748259343b58"
 "checksum httparse 1.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "46534074dbb80b070d60a5cb8ecadd8963a00a438ae1a95268850a7ef73b67ae"
 "checksum hyper 0.10.0-a.0 (git+https://github.com/ethcore/hyper)" = "<none>"
+"checksum hyper 0.10.4 (registry+https://github.com/rust-lang/crates.io-index)" = "220407e5a263f110ec30a071787c9535918fdfc97def5680c90013c3f30c38c1"
 "checksum hyper 0.9.14 (registry+https://github.com/rust-lang/crates.io-index)" = "bcb3fc65554155980167fb821d05c7c66177f92464976c0b676a19d9e03387a7"
+"checksum hyper-native-tls 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "afe68f772f0497a7205e751626bb8e1718568b58534b6108c73a74ef80483409"
 "checksum idna 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1053236e00ce4f668aeca4a769a09b3bf5a682d802abd6f3cb39374f6b162c11"
 "checksum igd 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c8c12b1795b8b168f577c45fa10379b3814dcb11b7ab702406001f0d63f40484"
 "checksum isatty 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7408a548dc0e406b7912d9f84c261cc533c1866e047644a811c133c56041ac0c"
 "checksum itertools 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)" = "086e1fa5fe48840b1cfdef3a20c7e3115599f8d5c4c87ef32a794a7cdd184d76"
 "checksum itoa 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ae3088ea4baeceb0284ee9eea42f591226e6beaecf65373e41b38d95a1b8e7a1"
-"checksum jsonrpc-core 4.0.0 (git+https://github.com/ethcore/jsonrpc.git)" = "<none>"
-"checksum jsonrpc-http-server 6.1.1 (git+https://github.com/ethcore/jsonrpc.git)" = "<none>"
-"checksum jsonrpc-ipc-server 0.2.4 (git+https://github.com/ethcore/jsonrpc.git)" = "<none>"
-"checksum jsonrpc-macros 0.1.0 (git+https://github.com/ethcore/jsonrpc.git)" = "<none>"
-"checksum jsonrpc-tcp-server 0.1.0 (git+https://github.com/ethcore/jsonrpc.git)" = "<none>"
+"checksum itoa 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "91fd9dc2c587067de817fec4ad355e3818c3d893a78cab32a0a474c7a15bb8d5"
+"checksum jsonrpc-core 4.0.0 (git+https://github.com/ethcore/jsonrpc.git?branch=mio-old)" = "<none>"
+"checksum jsonrpc-http-server 6.1.1 (git+https://github.com/ethcore/jsonrpc.git?branch=mio-old)" = "<none>"
+"checksum jsonrpc-ipc-server 0.2.4 (git+https://github.com/ethcore/jsonrpc.git?branch=mio-old)" = "<none>"
+"checksum jsonrpc-macros 0.1.0 (git+https://github.com/ethcore/jsonrpc.git?branch=mio-old)" = "<none>"
+"checksum jsonrpc-tcp-server 0.1.0 (git+https://github.com/ethcore/jsonrpc.git?branch=mio-old)" = "<none>"
 "checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
 "checksum language-tags 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a91d884b6667cd606bb5a69aa0c99ba811a115fc68915e7056ec08a46e93199a"
 "checksum lazy_static 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "49247ec2a285bb3dcb23cbd9c35193c025e7251bfce77c1d5da97e6362dffe7f"
@@ -2465,7 +2545,7 @@ dependencies = [
 "checksum openssl-sys 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)" = "d2845e841700e7b04282ceaa115407ea84e0db918ae689ad9ceb6f06fa6046bd"
 "checksum owning_ref 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "8d91377085359426407a287ab16884a0111ba473aa6844ff01d4ec20ce3d75e7"
 "checksum parity-dapps-glue 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "98378dec0a185da2b7180308752f0bad73aaa949c3e0a3b0528d0e067945f7ab"
-"checksum parity-ui-precompiled 1.4.0 (git+https://github.com/ethcore/js-precompiled.git)" = "<none>"
+"checksum parity-ui-precompiled 1.4.0 (git+https://github.com/ethcore/js-precompiled.git?branch=beta)" = "<none>"
 "checksum parking_lot 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "e1435e7a2a00dfebededd6c6bdbd54008001e94b4a2aadd6aef0dc4c56317621"
 "checksum parking_lot_core 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fb1b97670a2ffadce7c397fb80a3d687c4f3060140b885621ef1653d0e5d5068"
 "checksum phf 0.7.14 (registry+https://github.com/rust-lang/crates.io-index)" = "447d9d45f2e0b4a9b532e808365abf18fc211be6ca217202fcd45236ef12f026"
@@ -2489,7 +2569,7 @@ dependencies = [
 "checksum rayon 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "655df67c314c30fa3055a365eae276eb88aa4f3413a352a1ab32c1320eda41ea"
 "checksum regex 0.1.68 (registry+https://github.com/rust-lang/crates.io-index)" = "b4329b8928a284580a1c63ec9d846b12f6d3472317243ff7077aff11f23f2b29"
 "checksum regex-syntax 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "841591b1e05609a643e3b4d0045fce04f701daba7151ddcd3ad47b080693d5a9"
-"checksum reqwest 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "83186fee0d4dbeb95e610b77b05b05cf5b31703dd375222acb74c3dff4be957c"
+"checksum reqwest 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3bef9ed8fdfcc30947d6b774938dc0c3f369a474efe440df2c7f278180b2d2e6"
 "checksum rocksdb 0.4.5 (git+https://github.com/ethcore/rust-rocksdb)" = "<none>"
 "checksum rocksdb-sys 0.3.0 (git+https://github.com/ethcore/rust-rocksdb)" = "<none>"
 "checksum rotor 0.6.3 (git+https://github.com/ethcore/rotor)" = "<none>"
@@ -2508,10 +2588,12 @@ dependencies = [
 "checksum semver 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ae2ff60ecdb19c255841c066cbfa5f8c2a4ada1eb3ae47c77ab6667128da71f5"
 "checksum semver-parser 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e88e43a5a74dd2a11707f9c21dfd4a423c66bd871df813227bb0a3e78f3a1ae9"
 "checksum serde 0.8.19 (registry+https://github.com/rust-lang/crates.io-index)" = "58a19c0871c298847e6b68318484685cd51fa5478c0c905095647540031356e5"
+"checksum serde 0.9.5 (registry+https://github.com/rust-lang/crates.io-index)" = "4d8f810025e9d09c4eaa49c16eaf878f34a947889e878cd7d3b5bef3197cc119"
 "checksum serde_codegen 0.8.4 (registry+https://github.com/rust-lang/crates.io-index)" = "e422ae53d7933f59c6ff57e7b5870b5c9094b1f473f78ec33d89f8a692c3ec02"
 "checksum serde_codegen_internals 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f877e2781ed0a323295d1c9f0e26556117b5a11489fc47b1848dfb98b3173d21"
 "checksum serde_json 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0e10f8a9d94b06cf5d3bef66475f04c8ff90950f1be7004c357ff9472ccbaebc"
-"checksum serde_urlencoded 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "53d4ebaa8d1d4f90d1b63dfca81ccd98ac20e1e479dbae393cbaf60f6fecd8d8"
+"checksum serde_json 0.9.4 (registry+https://github.com/rust-lang/crates.io-index)" = "fea48f4d4df4e620e3c81fd2bf28c93dd0d266361a76bac4f254b71f0e13f3cd"
+"checksum serde_urlencoded 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a81f15da4b9780e1524697f73b09076b6e42298ef673bead9ca8f848b334ef84"
 "checksum sha1 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "cc30b1e1e8c40c121ca33b86c23308a090d19974ef001b4bf6e61fd1a0fb095c"
 "checksum shell32-sys 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "72f20b8f3c060374edb8046591ba28f62448c369ccbdc7b02075103fb3a9e38d"
 "checksum siphasher 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5c44e42fa187b5a8782489cf7740cc27c3125806be2bf33563cf5e02e9533fcd"

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 description = "Parity Ethereum client"
 name = "parity"
-version = "1.5.0"
+version = "1.5.3"
 license = "GPL-3.0"
 authors = ["Parity Technologies <admin@parity.io>"]
 build = "build.rs"
@@ -47,6 +47,7 @@ ethcore-ipc-hypervisor = { path = "ipc/hypervisor" }
 ethcore-logger = { path = "logger" }
 ethcore-stratum = { path = "stratum" }
 ethcore-dapps = { path = "dapps", optional = true }
+evmbin = { path = "evmbin" }
 rpc-cli = { path = "rpc_cli" }
 parity-rpc-client = { path = "rpc_client" }
 ethcore-light = { path = "ethcore/light" }

dapps/Cargo.toml

@@ -13,8 +13,8 @@ rand = "0.3"
 log = "0.3"
 env_logger = "0.3"
 futures = "0.1"
-jsonrpc-core = { git = "https://github.com/ethcore/jsonrpc.git" }
-jsonrpc-http-server = { git = "https://github.com/ethcore/jsonrpc.git" }
+jsonrpc-core = { git = "https://github.com/ethcore/jsonrpc.git", branch="mio-old" }
+jsonrpc-http-server = { git = "https://github.com/ethcore/jsonrpc.git", branch="mio-old" }
 hyper = { default-features = false, git = "https://github.com/ethcore/hyper" }
 unicase = "1.3"
 url = "1.0"

dapps/src/apps/mod.rs

@@ -38,6 +38,7 @@ 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()))

dapps/src/handlers/fetch.rs

@@ -34,7 +34,7 @@ use endpoint::EndpointPath;
 use handlers::{ContentHandler, StreamingHandler};
 use page::{LocalPageEndpoint, PageHandlerWaiting};
 
-const FETCH_TIMEOUT: u64 = 30;
+const FETCH_TIMEOUT: u64 = 300;
 
 pub enum ValidatorResponse {
 	Local(LocalPageEndpoint),

dapps/src/lib.rs

@@ -312,7 +312,7 @@ impl Server {
 
 		let special = Arc::new({
 			let mut special = HashMap::new();
-			special.insert(router::SpecialEndpoint::Rpc, rpc::rpc(handler, panic_handler.clone()));
+			special.insert(router::SpecialEndpoint::Rpc, rpc::rpc(handler, cors_domains.clone(), panic_handler.clone()));
 			special.insert(router::SpecialEndpoint::Utils, apps::utils());
 			special.insert(
 				router::SpecialEndpoint::Api,

dapps/src/router/mod.rs

@@ -56,7 +56,6 @@ pub struct Router<A: Authorization + 'static> {
 impl<A: Authorization + 'static> server::Handler<HttpStream> for Router<A> {
 
 	fn on_request(&mut self, req: server::Request<HttpStream>) -> Next {
-
 		// Choose proper handler depending on path / domain
 		let url = handlers::extract_url(&req);
 		let endpoint = extract_endpoint(&url);
@@ -92,8 +91,7 @@ impl<A: Authorization + 'static> server::Handler<HttpStream> for Router<A> {
 		self.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 is_get_request
-					&& referer.app_id == apps::WEB_PATH
+				if referer.app_id == apps::WEB_PATH
 					&& self.endpoints.contains_key(apps::WEB_PATH)
 					&& !is_web_endpoint(path)
 				=>
@@ -225,10 +223,28 @@ fn extract_referer_endpoint(req: &server::Request<HttpStream>) -> Option<(Endpoi
 	let url = referer.and_then(|referer| Url::parse(&referer.0).ok());
 	url.and_then(|url| {
 		let option = Some(url);
-		extract_endpoint(&option).0.map(|endpoint| (endpoint, option.expect("Just wrapped; qed")))
+		extract_url_referer_endpoint(&option).or_else(|| {
+			extract_endpoint(&option).0.map(|endpoint| (endpoint, option.expect("Just wrapped; qed")))
+		})
 	})
 }
 
+fn extract_url_referer_endpoint(url: &Option<Url>) -> 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).0.map(|endpoint| {
+				(endpoint, referer_url.expect("Endpoint returned only when url `is_some`").clone())
+			})
+		},
+		_ => None,
+	}
+}
+
 fn extract_endpoint(url: &Option<Url>) -> (Option<EndpointPath>, SpecialEndpoint) {
 	fn special_endpoint(url: &Url) -> SpecialEndpoint {
 		if url.path.len() <= 1 {

dapps/src/rpc.rs

@@ -21,11 +21,15 @@ use jsonrpc_core::{IoHandler, ResponseHandler, Request, Response};
 use jsonrpc_http_server::{ServerHandler, PanicHandler, AccessControlAllowOrigin, RpcHandler};
 use endpoint::{Endpoint, EndpointPath, Handler};
 
-pub fn rpc(handler: Arc<IoHandler>, panic_handler: Arc<Mutex<Option<Box<Fn() -> () + Send>>>>) -> Box<Endpoint> {
+pub fn rpc(
+	handler: Arc<IoHandler>,
+	cors_domains: Vec<String>,
+	panic_handler: Arc<Mutex<Option<Box<Fn() -> () + Send>>>>,
+) -> Box<Endpoint> {
 	Box::new(RpcEndpoint {
 		handler: Arc::new(RpcMiddleware::new(handler)),
 		panic_handler: panic_handler,
-		cors_domain: None,
+		cors_domain: Some(cors_domains.into_iter().map(AccessControlAllowOrigin::Value).collect()),
 		// NOTE [ToDr] We don't need to do any hosts validation here. It's already done in router.
 		allowed_hosts: None,
 	})
@@ -60,7 +64,12 @@ impl RpcMiddleware {
 	fn new(handler: Arc<IoHandler>) -> Self {
 		RpcMiddleware {
 			handler: handler,
-			methods: vec!["eth_accounts".into(), "parity_accountsInfo".into()],
+			methods: vec![
+				"eth_accounts".into(),
+				"eth_coinbase".into(),
+				"parity_accountsInfo".into(),
+				"parity_defaultAccount".into(),
+			],
 		}
 	}
 

dapps/src/web.rs

@@ -68,6 +68,7 @@ impl<F: Fetch> Endpoint for Web<F> {
 
 struct WebInstaller {
 	embeddable_on: Embeddable,
+	referer: String,
 }
 
 impl ContentValidator for WebInstaller {
@@ -84,7 +85,12 @@ impl ContentValidator for WebInstaller {
 			self.embeddable_on.clone(),
 		);
 		if is_html {
-			handler.set_initial_content(&format!(r#"<script src="/{}/inject.js"></script>"#, apps::UTILS_PATH));
+			handler.set_initial_content(&format!(
+				r#"<script src="/{}/inject.js"></script><script>history.replaceState({{}}, "", "/?{}{}")</script>"#,
+				apps::UTILS_PATH,
+				apps::URL_REFERER,
+				&self.referer,
+			));
 		}
 		Ok(ValidatorResponse::Streaming(handler))
 	}
@@ -108,7 +114,7 @@ struct WebHandler<F: Fetch> {
 }
 
 impl<F: Fetch> WebHandler<F> {
-	fn extract_target_url(&self, url: Option<Url>) -> Result<String, State<F>> {
+	fn extract_target_url(&self, url: Option<Url>) -> Result<(String, String), State<F>> {
 		let (path, query) = match url {
 			Some(url) => (url.path, url.query),
 			None => {
@@ -157,7 +163,7 @@ impl<F: Fetch> WebHandler<F> {
 			None => "".into(),
 		};
 
-		Ok(format!("{}://{}{}", protocol, path[idx + 2..].join("/"), query))
+		Ok((format!("{}://{}{}", protocol, path[idx + 2..].join("/"), query), path[0..].join("/")))
 	}
 }
 
@@ -166,7 +172,7 @@ impl<F: Fetch> server::Handler<net::HttpStream> for WebHandler<F> {
 		let url = extract_url(&request);
 
 		// First extract the URL (reject invalid URLs)
-		let target_url = match self.extract_target_url(url) {
+		let (target_url, referer) = match self.extract_target_url(url) {
 			Ok(url) => url,
 			Err(error) => {
 				self.state = error;
@@ -180,6 +186,7 @@ impl<F: Fetch> server::Handler<net::HttpStream> for WebHandler<F> {
 			self.control.clone(),
 			WebInstaller {
 				embeddable_on: self.embeddable_on.clone(),
+				referer: referer,
 			},
 			self.embeddable_on.clone(),
 			self.remote.clone(),

dapps/ui/Cargo.toml

@@ -11,7 +11,7 @@ rustc_version = "0.1"
 
 [dependencies]
 parity-ui-dev = { path = "../../js", optional = true }
-parity-ui-precompiled = { git = "https://github.com/ethcore/js-precompiled.git", optional = true }
+parity-ui-precompiled = { git = "https://github.com/ethcore/js-precompiled.git", branch = "beta", optional = true }
 
 [features]
 no-precompiled-js = ["parity-ui-dev"]

docker/hub/Dockerfile

@@ -0,0 +1,79 @@
+FROM ubuntu:14.04
+MAINTAINER Parity Technologies <devops@parity.io>
+WORKDIR /build
+# 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/ethcore/parity && \
+        cd parity && \
+	git pull&& \
+	git checkout $CI_BUILD_REF_NAME && \
+        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/Dockerfile

@@ -1,14 +1,19 @@
 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
+RUN apt-get -y update && \
+    apt-get install -y --force-yes --no-install-recommends g++ gcc libc6 libc6-dev \
+        python binutils curl git make file ca-certificates zip dpkg-dev rhash openssl build-essential pkg-config libssl-dev
+
+# install AWS CLI
+RUN curl -O https://bootstrap.pypa.io/get-pip.py && \
+    python get-pip.py && \
+    pip install awscli
+
+# install nodejs
+RUN curl -sL https://deb.nodesource.com/setup_6.x | bash - && \
+    apt-get install -y nodejs && \
+    apt-get clean
 
 # install rustup
 RUN curl https://sh.rustup.rs -sSf | sh -s -- -y
@@ -30,7 +35,7 @@ RUN git clone https://github.com/ethcore/parity && \
         cd parity && \
         git checkout beta && \
         git pull && \
-        cargo build --release --verbose && \
+        cargo build --features final --release --verbose && \
         ls /build/parity/target/release/parity && \
         strip /build/parity/target/release/parity
 

ethcore/light/src/client/header_chain.rs

@@ -197,6 +197,7 @@ impl HeaderChain {
 	pub fn get_header(&self, id: BlockId) -> Option<Bytes> {
 		match id {
 			BlockId::Earliest | BlockId::Number(0) => Some(self.genesis_header.clone()),
+			BlockId::Latest if self.headers.read().is_empty() => Some(self.genesis_header.clone()),
 			BlockId::Hash(hash) => self.headers.read().get(&hash).map(|x| x.to_vec()),
 			BlockId::Number(num) => {
 				if self.best_block.read().number < num { return None }

ethcore/light/src/client/mod.rs

@@ -21,8 +21,9 @@ use ethcore::block_status::BlockStatus;
 use ethcore::client::ClientReport;
 use ethcore::ids::BlockId;
 use ethcore::header::Header;
+use ethcore::views::HeaderView;
 use ethcore::verification::queue::{self, HeaderQueue};
-use ethcore::transaction::PendingTransaction;
+use ethcore::transaction::{PendingTransaction, Condition as TransactionCondition};
 use ethcore::blockchain_info::BlockChainInfo;
 use ethcore::spec::Spec;
 use ethcore::service::ClientIoMessage;
@@ -34,6 +35,7 @@ use util::{Bytes, Mutex, RwLock};
 
 use provider::Provider;
 use request;
+use time;
 
 use self::header_chain::HeaderChain;
 
@@ -109,7 +111,11 @@ impl Client {
 		let best_num = self.chain.best_block().number;
 		self.tx_pool.lock()
 			.values()
-			.filter(|t| t.min_block.as_ref().map_or(true, |x| x <= &best_num))
+			.filter(|t| match t.condition {
+				Some(TransactionCondition::Number(ref x)) => x <= &best_num,
+				Some(TransactionCondition::Timestamp(ref x)) => *x <= time::get_time().sec as u64,
+				None => true,
+			})
 			.cloned()
 			.collect()
 	}
@@ -134,6 +140,7 @@ impl Client {
 			genesis_hash: genesis_hash,
 			best_block_hash: best_block.hash,
 			best_block_number: best_block.number,
+			best_block_timestamp: HeaderView::new(&self.chain.get_header(BlockId::Latest).expect("Latest hash is always in the chain")).timestamp(),
 			ancient_block_hash: if first_block.is_some() { Some(genesis_hash) } else { None },
 			ancient_block_number: if first_block.is_some() { Some(0) } else { None },
 			first_block_hash: first_block.as_ref().map(|first| first.hash),

ethcore/res/ethereum/ropsten.json

@@ -24,7 +24,9 @@
 		"accountStartNonce": "0x0",
 		"maximumExtraDataSize": "0x20",
 		"minGasLimit": "0x1388",
-		"networkID" : "0x3"
+		"networkID" : "0x3",
+		"forkBlock": 333922,
+		"forkCanonHash": "0x8737eb141d4f05db57af63fc8d3b4d4d8f9cddb0c4e1ab855de8c288fdc1924f"
 	},
 	"genesis": {
 		"seal": {
@@ -42,7 +44,10 @@
 	},
 	"nodes": [
 		"enode://a22f0977ce02653bf95e38730106356342df48b5222e2c2a1a6f9ef34769bf593bae9ca0a888cf60839edd52efc1b6e393c63a57d76f4c4fe14e641f1f9e637e@128.199.55.137:30303",
-		"enode://012239fccf3ff1d92b036983a430cb6705c6528c96c0354413f8854802138e5135c084ab36e7c54efb621c46728df8c3a6f4c1db9bb48a1330efe3f82f2dd7a6@52.169.94.142:30303"
+		"enode://012239fccf3ff1d92b036983a430cb6705c6528c96c0354413f8854802138e5135c084ab36e7c54efb621c46728df8c3a6f4c1db9bb48a1330efe3f82f2dd7a6@52.169.94.142:30303",
+		"enode://1462682e4b7ba2258346d55e25e5b9d264b0db40cee12bdfba4e72b1d7050350ea954c006e9106dd96a128e6e0bd6dffb17eed51f9f99bf7f9cdadfeaf8da4ff@51.15.61.253:30303",
+		"enode://98fbb020c799ae39a828bd75dc2bd5d4721539faf317076b275f91182a5c8900b592e8abfdddceae674a7c3bb40ea00a6ca9ccb7805ab58c4b7b29c61c8f7239@51.15.62.44:30303",
+		"enode://d801dd4e3d15a8bf785931add164bd9c313e3f6b5749d9302b311f2b48064cba5c86c32b1302c27cd983fc89ae07d4d306dd1197610835b8782e95dfb1b3f9ea@51.15.43.255:30303"
 	],
 	"accounts": {
 		"0000000000000000000000000000000000000001": { "balance": "1", "nonce": "0", "builtin": { "name": "ecrecover", "pricing": { "linear": { "base": 3000, "word": 0 } } } },

ethcore/src/blockchain/best_block.rs

@@ -24,6 +24,8 @@ pub struct BestBlock {
 	pub hash: H256,
 	/// Best block number.
 	pub number: BlockNumber,
+	/// Best block timestamp.
+	pub timestamp: u64,
 	/// Best block total difficulty.
 	pub total_difficulty: U256,
 	/// Best block uncompressed bytes

ethcore/src/blockchain/blockchain.rs

@@ -490,6 +490,7 @@ impl BlockChain {
 			let best_block_number = bc.block_number(&best_block_hash).unwrap();
 			let best_block_total_difficulty = bc.block_details(&best_block_hash).unwrap().total_difficulty;
 			let best_block_rlp = bc.block(&best_block_hash).unwrap().into_inner();
+			let best_block_timestamp = BlockView::new(&best_block_rlp).header().timestamp();
 
 			let raw_first = bc.db.get(db::COL_EXTRA, b"first").unwrap().map(|v| v.to_vec());
 			let mut best_ancient = bc.db.get(db::COL_EXTRA, b"ancient").unwrap().map(|h| H256::from_slice(&h));
@@ -538,6 +539,7 @@ impl BlockChain {
 				number: best_block_number,
 				total_difficulty: best_block_total_difficulty,
 				hash: best_block_hash,
+				timestamp: best_block_timestamp,
 				block: best_block_rlp,
 			};
 
@@ -590,6 +592,7 @@ impl BlockChain {
 					number: extras.number - 1,
 					total_difficulty: best_block_total_difficulty,
 					hash: hash,
+					timestamp: BlockView::new(&best_block_rlp).header().timestamp(),
 					block: best_block_rlp,
 				};
 				// update parent extras
@@ -743,6 +746,7 @@ impl BlockChain {
 				blocks_blooms: self.prepare_block_blooms_update(bytes, &info),
 				transactions_addresses: self.prepare_transaction_addresses_update(bytes, &info),
 				info: info,
+				timestamp: header.timestamp(),
 				block: bytes
 			}, is_best);
 
@@ -791,6 +795,7 @@ impl BlockChain {
 				blocks_blooms: self.prepare_block_blooms_update(bytes, &info),
 				transactions_addresses: self.prepare_transaction_addresses_update(bytes, &info),
 				info: info,
+				timestamp: header.timestamp(),
 				block: bytes,
 			}, is_best);
 			true
@@ -855,6 +860,7 @@ impl BlockChain {
 			blocks_blooms: self.prepare_block_blooms_update(bytes, &info),
 			transactions_addresses: self.prepare_transaction_addresses_update(bytes, &info),
 			info: info.clone(),
+			timestamp: header.timestamp(),
 			block: bytes,
 		}, true);
 
@@ -926,6 +932,7 @@ impl BlockChain {
 						hash: update.info.hash,
 						number: update.info.number,
 						total_difficulty: update.info.total_difficulty,
+						timestamp: update.timestamp,
 						block: update.block.to_vec(),
 					});
 				},
@@ -1211,6 +1218,11 @@ impl BlockChain {
 		self.best_block.read().number
 	}
 
+	/// Get best block timestamp.
+	pub fn best_block_timestamp(&self) -> u64 {
+		self.best_block.read().timestamp
+	}
+
 	/// Get best block total difficulty.
 	pub fn best_block_total_difficulty(&self) -> U256 {
 		self.best_block.read().total_difficulty
@@ -1298,6 +1310,7 @@ impl BlockChain {
 			genesis_hash: self.genesis_hash(),
 			best_block_hash: best_block.hash.clone(),
 			best_block_number: best_block.number,
+			best_block_timestamp: best_block.timestamp,
 			first_block_hash: self.first_block(),
 			first_block_number: From::from(self.first_block_number()),
 			ancient_block_hash: best_ancient_block.as_ref().map(|b| b.hash.clone()),
@@ -1329,6 +1342,7 @@ mod tests {
 	use transaction::{Transaction, Action};
 	use log_entry::{LogEntry, LocalizedLogEntry};
 	use spec::Spec;
+	use ethkey::Secret;
 
 	fn new_db(path: &str) -> Arc<Database> {
 		Arc::new(Database::open(&DatabaseConfig::with_columns(::db::NUM_COLUMNS), path).unwrap())
@@ -1467,6 +1481,10 @@ mod tests {
 		// TODO: insert block that already includes one of them as an uncle to check it's not allowed.
 	}
 
+	fn secret() -> Secret {
+		Secret::from_slice(&"".sha3()).unwrap()
+	}
+
 	#[test]
 	fn test_fork_transaction_addresses() {
 		let mut canon_chain = ChainGenerator::default();
@@ -1482,7 +1500,7 @@ mod tests {
 			action: Action::Create,
 			value: 100.into(),
 			data: "601080600c6000396000f3006000355415600957005b60203560003555".from_hex().unwrap(),
-		}.sign(&"".sha3(), None);
+		}.sign(&secret(), None);
 
 
 		let b1a = canon_chain
@@ -1546,7 +1564,7 @@ mod tests {
 			action: Action::Create,
 			value: 100.into(),
 			data: "601080600c6000396000f3006000355415600957005b60203560003555".from_hex().unwrap(),
-		}.sign(&"".sha3(), None);
+		}.sign(&secret(), None);
 
 		let t2 = Transaction {
 			nonce: 1.into(),
@@ -1555,7 +1573,7 @@ mod tests {
 			action: Action::Create,
 			value: 100.into(),
 			data: "601080600c6000396000f3006000355415600957005b60203560003555".from_hex().unwrap(),
-		}.sign(&"".sha3(), None);
+		}.sign(&secret(), None);
 
 		let t3 = Transaction {
 			nonce: 2.into(),
@@ -1564,7 +1582,7 @@ mod tests {
 			action: Action::Create,
 			value: 100.into(),
 			data: "601080600c6000396000f3006000355415600957005b60203560003555".from_hex().unwrap(),
-		}.sign(&"".sha3(), None);
+		}.sign(&secret(), None);
 
 		let b1a = canon_chain
 			.with_transaction(t1.clone())
@@ -1870,7 +1888,7 @@ mod tests {
 			action: Action::Create,
 			value: 101.into(),
 			data: "601080600c6000396000f3006000355415600957005b60203560003555".from_hex().unwrap(),
-		}.sign(&"".sha3(), None);
+		}.sign(&secret(), None);
 		let t2 = Transaction {
 			nonce: 0.into(),
 			gas_price: 0.into(),
@@ -1878,7 +1896,7 @@ mod tests {
 			action: Action::Create,
 			value: 102.into(),
 			data: "601080600c6000396000f3006000355415600957005b60203560003555".from_hex().unwrap(),
-		}.sign(&"".sha3(), None);
+		}.sign(&secret(), None);
 		let t3 = Transaction {
 			nonce: 0.into(),
 			gas_price: 0.into(),
@@ -1886,7 +1904,7 @@ mod tests {
 			action: Action::Create,
 			value: 103.into(),
 			data: "601080600c6000396000f3006000355415600957005b60203560003555".from_hex().unwrap(),
-		}.sign(&"".sha3(), None);
+		}.sign(&secret(), None);
 		let tx_hash1 = t1.hash();
 		let tx_hash2 = t2.hash();
 		let tx_hash3 = t3.hash();

ethcore/src/blockchain/update.rs

@@ -9,6 +9,8 @@ use super::extras::{BlockDetails, BlockReceipts, TransactionAddress, LogGroupPos
 pub struct ExtrasUpdate<'a> {
 	/// Block info.
 	pub info: BlockInfo,
+	/// Block timestamp.
+	pub timestamp: u64,
 	/// Current block uncompressed rlp bytes
 	pub block: &'a [u8],
 	/// Modified block hashes.

ethcore/src/client/client.rs

@@ -873,6 +873,83 @@ impl BlockChainClient for Client {
 		Ok(ret)
 	}
 
+	fn estimate_gas(&self, t: &SignedTransaction, block: BlockId) -> Result<U256, CallError> {
+		const UPPER_CEILING: u64 = 1_000_000_000_000u64;
+		let header = self.block_header(block).ok_or(CallError::StatePruned)?;
+		let last_hashes = self.build_last_hashes(header.parent_hash());
+		let env_info = EnvInfo {
+			number: header.number(),
+			author: header.author(),
+			timestamp: header.timestamp(),
+			difficulty: header.difficulty(),
+			last_hashes: last_hashes,
+			gas_used: U256::zero(),
+			gas_limit: UPPER_CEILING.into(),
+		};
+		// that's just a copy of the state.
+		let original_state = self.state_at(block).ok_or(CallError::StatePruned)?;
+		let sender = t.sender().map_err(|e| {
+			let message = format!("Transaction malformed: {:?}", e);
+			ExecutionError::TransactionMalformed(message)
+		})?;
+		let balance = original_state.balance(&sender);
+		let options = TransactOptions { tracing: true, vm_tracing: false, check_nonce: false };
+		let mut tx = t.clone();
+
+		let mut cond = |gas| {
+			tx.gas = gas;
+
+			let mut state = original_state.clone();
+			let needed_balance = tx.value + tx.gas * tx.gas_price;
+			if balance < needed_balance {
+				// give the sender a sufficient balance
+				state.add_balance(&sender, &(needed_balance - balance), CleanupMode::NoEmpty);
+			}
+
+			Executive::new(&mut state, &env_info, &*self.engine, &self.factories.vm)
+				.transact(&tx, options.clone())
+				.map(|r| r.exception.is_none())
+				.unwrap_or(false)
+		};
+
+		let mut upper = header.gas_limit();
+		if !cond(upper) {
+			// impossible at block gas limit - try `UPPER_CEILING` instead.
+			// TODO: consider raising limit by powers of two.
+			upper = UPPER_CEILING.into();
+			if !cond(upper) {
+				trace!(target: "estimate_gas", "estimate_gas failed with {}", upper);
+				return Err(CallError::Execution(ExecutionError::Internal))
+			}
+		}
+		let lower = t.gas_required(&self.engine.schedule(&env_info)).into();
+		if cond(lower) {
+			trace!(target: "estimate_gas", "estimate_gas succeeded with {}", lower);
+			return Ok(lower)
+		}
+
+		/// Find transition point between `lower` and `upper` where `cond` changes from `false` to `true`.
+		/// Returns the lowest value between `lower` and `upper` for which `cond` returns true.
+		/// We assert: `cond(lower) = false`, `cond(upper) = true`
+		fn binary_chop<F>(mut lower: U256, mut upper: U256, mut cond: F) -> U256 where F: FnMut(U256) -> bool {
+			while upper - lower > 1.into() {
+				let mid = (lower + upper) / 2.into();
+				trace!(target: "estimate_gas", "{} .. {} .. {}", lower, mid, upper);
+				let c = cond(mid);
+				match c {
+					true => upper = mid,
+					false => lower = mid,
+				};
+				trace!(target: "estimate_gas", "{} => {} .. {}", c, lower, upper);
+			}
+			upper
+		}
+
+		// binary chop to non-excepting call with gas somewhere between 21000 and block gas limit
+		trace!(target: "estimate_gas", "estimate_gas chopping {} .. {}", lower, upper);
+		Ok(binary_chop(lower, upper, cond))
+	}
+
 	fn replay(&self, id: TransactionId, analytics: CallAnalytics) -> Result<Executed, CallError> {
 		let address = self.transaction_address(id).ok_or(CallError::TransactionNotFound)?;
 		let header = self.block_header(BlockId::Hash(address.block_hash)).ok_or(CallError::StatePruned)?;
@@ -1305,7 +1382,11 @@ impl BlockChainClient for Client {
 	}
 
 	fn ready_transactions(&self) -> Vec<PendingTransaction> {
-		self.miner.ready_transactions(self.chain.read().best_block_number())
+		let (number, timestamp) = {
+			let chain = self.chain.read();
+			(chain.best_block_number(), chain.best_block_timestamp())
+		};
+		self.miner.ready_transactions(number, timestamp)
 	}
 
 	fn queue_consensus_message(&self, message: Bytes) {
@@ -1594,7 +1675,7 @@ mod tests {
 		use util::Hashable;
 
 		// given
-		let key = KeyPair::from_secret("test".sha3()).unwrap();
+		let key = KeyPair::from_secret_slice(&"test".sha3()).unwrap();
 		let secret = key.secret();
 
 		let block_number = 1;

ethcore/src/client/test_client.rs

@@ -242,7 +242,7 @@ impl TestBlockChainClient {
 						value: U256::from(100),
 						data: "3331600055".from_hex().unwrap(),
 						gas: U256::from(100_000),
-						gas_price: U256::one(),
+						gas_price: U256::from(200_000_000_000u64),
 						nonce: U256::zero()
 					};
 					let signed_tx = tx.sign(keypair.secret(), None);
@@ -300,22 +300,29 @@ impl TestBlockChainClient {
 		}
 	}
 
-	/// Inserts a transaction to miners transactions queue.
-	pub fn insert_transaction_to_queue(&self) {
+	/// Inserts a transaction with given gas price to miners transactions queue.
+	pub fn insert_transaction_with_gas_price_to_queue(&self, gas_price: U256) -> H256 {
 		let keypair = Random.generate().unwrap();
 		let tx = Transaction {
 			action: Action::Create,
 			value: U256::from(100),
 			data: "3331600055".from_hex().unwrap(),
 			gas: U256::from(100_000),
-			gas_price: U256::one(),
+			gas_price: gas_price,
 			nonce: U256::zero()
 		};
 		let signed_tx = tx.sign(keypair.secret(), None);
-		self.set_balance(signed_tx.sender().unwrap(), 10_000_000.into());
-		let res = self.miner.import_external_transactions(self, vec![signed_tx]);
+		self.set_balance(signed_tx.sender().unwrap(), 10_000_000_000_000_000_000u64.into());
+		let hash = signed_tx.hash();
+		let res = self.miner.import_external_transactions(self, vec![signed_tx.into()]);
 		let res = res.into_iter().next().unwrap().expect("Successful import");
 		assert_eq!(res, TransactionImportResult::Current);
+		hash
+	}
+
+	/// Inserts a transaction to miners transactions queue.
+	pub fn insert_transaction_to_queue(&self) -> H256 {
+		self.insert_transaction_with_gas_price_to_queue(U256::from(20_000_000_000u64))
 	}
 
 	/// Set reported history size.
@@ -379,6 +386,10 @@ impl BlockChainClient for TestBlockChainClient {
 		self.execution_result.read().clone().unwrap()
 	}
 
+	fn estimate_gas(&self, _t: &SignedTransaction, _block: BlockId) -> Result<U256, CallError> {
+		Ok(21000.into())
+	}
+
 	fn replay(&self, _id: TransactionId, _analytics: CallAnalytics) -> Result<Executed, CallError> {
 		self.execution_result.read().clone().unwrap()
 	}
@@ -650,12 +661,14 @@ impl BlockChainClient for TestBlockChainClient {
 	}
 
 	fn chain_info(&self) -> BlockChainInfo {
+		let number = self.blocks.read().len() as BlockNumber - 1;
 		BlockChainInfo {
 			total_difficulty: *self.difficulty.read(),
 			pending_total_difficulty: *self.difficulty.read(),
 			genesis_hash: self.genesis_hash.clone(),
 			best_block_hash: self.last_hash.read().clone(),
-			best_block_number: self.blocks.read().len() as BlockNumber - 1,
+			best_block_number: number,
+			best_block_timestamp: number,
 			first_block_hash: self.first_block.read().as_ref().map(|x| x.0),
 			first_block_number: self.first_block.read().as_ref().map(|x| x.1),
 			ancient_block_hash: self.ancient_block.read().as_ref().map(|x| x.0),
@@ -690,7 +703,8 @@ impl BlockChainClient for TestBlockChainClient {
 	}
 
 	fn ready_transactions(&self) -> Vec<PendingTransaction> {
-		self.miner.ready_transactions(self.chain_info().best_block_number)
+		let info = self.chain_info();
+		self.miner.ready_transactions(info.best_block_number, info.best_block_timestamp)
 	}
 
 	fn signing_network_id(&self) -> Option<u64> { None }

ethcore/src/client/traits.rs

@@ -184,6 +184,9 @@ pub trait BlockChainClient : Sync + Send {
 	/// Makes a non-persistent transaction call.
 	fn call(&self, t: &SignedTransaction, block: BlockId, analytics: CallAnalytics) -> Result<Executed, CallError>;
 
+	/// Estimates how much gas will be necessary for a call.
+	fn estimate_gas(&self, t: &SignedTransaction, block: BlockId) -> Result<U256, CallError>;
+
 	/// Replays a given transaction for inspection.
 	fn replay(&self, t: TransactionId, analytics: CallAnalytics) -> Result<Executed, CallError>;
 
@@ -220,6 +223,7 @@ pub trait BlockChainClient : Sync + Send {
 				let block = self.block(BlockId::Hash(h)).expect("h is either the best_block_hash or an ancestor; qed");
 				let header = block.header_view();
 				if header.number() == 0 {
+					corpus.sort();
 					return corpus;
 				}
 				block.transaction_views().iter().foreach(|t| corpus.push(t.gas_price()));

ethcore/src/engines/authority_round.rs

@@ -354,6 +354,7 @@ mod tests {
 	use env_info::EnvInfo;
 	use header::Header;
 	use error::{Error, BlockError};
+	use ethkey::Secret;
 	use rlp::encode;
 	use block::*;
 	use tests::helpers::*;
@@ -411,8 +412,8 @@ mod tests {
 	#[test]
 	fn generates_seal_and_does_not_double_propose() {
 		let tap = AccountProvider::transient_provider();
-		let addr1 = tap.insert_account("1".sha3(), "1").unwrap();
-		let addr2 = tap.insert_account("2".sha3(), "2").unwrap();
+		let addr1 = tap.insert_account(Secret::from_slice(&"1".sha3()).unwrap(), "1").unwrap();
+		let addr2 = tap.insert_account(Secret::from_slice(&"2".sha3()).unwrap(), "2").unwrap();
 
 		let spec = Spec::new_test_round();
 		let engine = &*spec.engine;
@@ -445,7 +446,7 @@ mod tests {
 	fn proposer_switching() {
 		let mut header: Header = Header::default();
 		let tap = AccountProvider::transient_provider();
-		let addr = tap.insert_account("0".sha3(), "0").unwrap();
+		let addr = tap.insert_account(Secret::from_slice(&"0".sha3()).unwrap(), "0").unwrap();
 
 		header.set_author(addr);
 
@@ -464,7 +465,7 @@ mod tests {
 	fn rejects_future_block() {
 		let mut header: Header = Header::default();
 		let tap = AccountProvider::transient_provider();
-		let addr = tap.insert_account("0".sha3(), "0").unwrap();
+		let addr = tap.insert_account(Secret::from_slice(&"0".sha3()).unwrap(), "0").unwrap();
 
 		header.set_author(addr);
 

ethcore/src/engines/basic_authority.rs

@@ -201,6 +201,7 @@ mod tests {
 	use error::{BlockError, Error};
 	use tests::helpers::*;
 	use account_provider::AccountProvider;
+	use ethkey::Secret;
 	use header::Header;
 	use spec::Spec;
 	use engines::Seal;
@@ -261,7 +262,7 @@ mod tests {
 	#[test]
 	fn can_generate_seal() {
 		let tap = AccountProvider::transient_provider();
-		let addr = tap.insert_account("".sha3(), "").unwrap();
+		let addr = tap.insert_account(Secret::from_slice(&"".sha3()).unwrap(), "").unwrap();
 
 		let spec = new_test_authority();
 		let engine = &*spec.engine;
@@ -281,7 +282,7 @@ mod tests {
 	#[test]
 	fn seals_internally() {
 		let tap = AccountProvider::transient_provider();
-		let authority = tap.insert_account("".sha3(), "").unwrap();
+		let authority = tap.insert_account(Secret::from_slice(&"".sha3()).unwrap(), "").unwrap();
 
 		let engine = new_test_authority().engine;
 		assert!(!engine.is_sealer(&Address::default()).unwrap());

ethcore/src/engines/tendermint/message.rs

@@ -23,15 +23,35 @@ use header::Header;
 use rlp::*;
 use ethkey::{recover, public_to_address};
 
-#[derive(Debug, PartialEq, Eq, Clone)]
+/// Message transmitted between consensus participants.
+#[derive(Debug, PartialEq, Eq, Clone, Hash)]
 pub struct ConsensusMessage {
+	pub vote_step: VoteStep,
+	pub block_hash: Option<BlockHash>,
 	pub signature: H520,
+}
+
+/// Complete step of the consensus process.
+#[derive(Debug, PartialEq, Eq, Clone, Hash)]
+pub struct VoteStep {
 	pub height: Height,
 	pub round: Round,
 	pub step: Step,
-	pub block_hash: Option<BlockHash>,
 }
 
+impl VoteStep {
+	pub fn new(height: Height, round: Round, step: Step) -> Self {
+		VoteStep { height: height, round: round, step: step }
+	}
+
+	pub fn is_height(&self, height: Height) -> bool {
+		self.height == height
+	}
+
+	pub fn is_round(&self, height: Height, round: Round) -> bool {
+		self.height == height && self.round == round
+	}
+}
 
 fn consensus_round(header: &Header) -> Result<Round, ::rlp::DecoderError> {
 	let round_rlp = header.seal().get(0).expect("seal passed basic verification; seal has 3 fields; qed");
@@ -42,53 +62,29 @@ impl ConsensusMessage {
 	pub fn new(signature: H520, height: Height, round: Round, step: Step, block_hash: Option<BlockHash>) -> Self {
 		ConsensusMessage {
 			signature: signature,
-			height: height,
-			round: round,
-			step: step,
 			block_hash: block_hash,
+			vote_step: VoteStep::new(height, round, step),
 		}
 	}
 
 	pub fn new_proposal(header: &Header) -> Result<Self, ::rlp::DecoderError> {
 		Ok(ConsensusMessage {
+			vote_step: VoteStep::new(header.number() as Height, consensus_round(header)?, Step::Propose),
 			signature: UntrustedRlp::new(header.seal().get(1).expect("seal passed basic verification; seal has 3 fields; qed").as_slice()).as_val()?,
-			height: header.number() as Height,
-			round: consensus_round(header)?,
-			step: Step::Propose,
 			block_hash: Some(header.bare_hash()),
 		})
 	}
 
 	pub fn new_commit(proposal: &ConsensusMessage, signature: H520) -> Self {
+		let mut vote_step = proposal.vote_step.clone();
+		vote_step.step = Step::Precommit;
 		ConsensusMessage {
-			signature: signature,
-			height: proposal.height,
-			round: proposal.round,
-			step: Step::Precommit,
+			vote_step: vote_step,
 			block_hash: proposal.block_hash,
+			signature: signature,
 		}
 	}
 
-	pub fn is_height(&self, height: Height) -> bool {
-		self.height == height
-	}
-
-	pub fn is_round(&self, height: Height, round: Round) -> bool {
-		self.height == height && self.round == round
-	}
-
-	pub fn is_step(&self, height: Height, round: Round, step: Step) -> bool {
-		self.height == height && self.round == round && self.step == step
-	}
-
-	pub fn is_block_hash(&self, h: Height, r: Round, s: Step, block_hash: Option<BlockHash>) -> bool {
-		self.height == h && self.round == r && self.step == s && self.block_hash == block_hash
-	}
-
-	pub fn is_aligned(&self, m: &ConsensusMessage) -> bool {
-		self.is_block_hash(m.height, m.round, m.step, m.block_hash)
-	}
-
 	pub fn verify(&self) -> Result<Address, Error> {
 		let full_rlp = ::rlp::encode(self);
 		let block_info = Rlp::new(&full_rlp).at(1);
@@ -97,16 +93,30 @@ impl ConsensusMessage {
 	}
 
 	pub fn precommit_hash(&self) -> H256 {
-		message_info_rlp(self.height, self.round, Step::Precommit, self.block_hash).sha3()
+		let mut vote_step = self.vote_step.clone();
+		vote_step.step = Step::Precommit;
+		message_info_rlp(&vote_step, self.block_hash).sha3()
 	}
 }
 
-impl PartialOrd for ConsensusMessage {
-	fn partial_cmp(&self, m: &ConsensusMessage) -> Option<Ordering> {
+impl PartialOrd for VoteStep {
+	fn partial_cmp(&self, m: &VoteStep) -> Option<Ordering> {
 		Some(self.cmp(m))
 	}
 }
 
+impl Ord for VoteStep {
+	fn cmp(&self, m: &VoteStep) -> Ordering {
+		if self.height != m.height {
+			self.height.cmp(&m.height)
+		} else if self.round != m.round {
+			self.round.cmp(&m.round)
+		} else {
+			self.step.number().cmp(&m.step.number())
+		}
+	}
+}
+
 impl Step {
 	fn number(&self) -> u8 {
 		match *self {
@@ -118,20 +128,6 @@ impl Step {
 	}
 }
 
-impl Ord for ConsensusMessage {
-	fn cmp(&self, m: &ConsensusMessage) -> Ordering {
-		if self.height != m.height {
-			self.height.cmp(&m.height)
-		} else if self.round != m.round {
-			self.round.cmp(&m.round)
-		} else if self.step != m.step {
-			self.step.number().cmp(&m.step.number())
-		} else {
-			self.signature.cmp(&m.signature)
-		}
-	}
-}
-
 impl Decodable for Step {
 	fn decode<D>(decoder: &D) -> Result<Self, DecoderError> where D: Decoder {
 		match decoder.as_rlp().as_val()? {
@@ -149,42 +145,39 @@ impl Encodable for Step {
 	}
 }
 
-/// (signature, height, round, step, block_hash)
+/// (signature, (height, round, step, block_hash))
 impl Decodable for ConsensusMessage {
 	fn decode<D>(decoder: &D) -> Result<Self, DecoderError> where D: Decoder {
 		let rlp = decoder.as_rlp();
 		let m = rlp.at(1)?;
 		let block_message: H256 = m.val_at(3)?;
 		Ok(ConsensusMessage {
-			signature: rlp.val_at(0)?,
-			height: m.val_at(0)?,
-			round: m.val_at(1)?,
-			step: m.val_at(2)?,
+			vote_step: VoteStep::new(m.val_at(0)?, m.val_at(1)?, m.val_at(2)?),
 			block_hash: match block_message.is_zero() {
 				true => None,
 				false => Some(block_message),
-			}
+			},
+			signature: rlp.val_at(0)?,
 		})
   }
-} 
+}
 
 impl Encodable for ConsensusMessage {
 	fn rlp_append(&self, s: &mut RlpStream) {
-		let info = message_info_rlp(self.height, self.round, self.step, self.block_hash);
+		let info = message_info_rlp(&self.vote_step, self.block_hash);
 		s.begin_list(2)
 			.append(&self.signature)
 			.append_raw(&info, 1);
 	}
 }
 
-pub fn message_info_rlp(height: Height, round: Round, step: Step, block_hash: Option<BlockHash>) -> Bytes {
+pub fn message_info_rlp(vote_step: &VoteStep, block_hash: Option<BlockHash>) -> Bytes {
 	// TODO: figure out whats wrong with nested list encoding
 	let mut s = RlpStream::new_list(5);
-	s.append(&height).append(&round).append(&step).append(&block_hash.unwrap_or_else(H256::zero));
+	s.append(&vote_step.height).append(&vote_step.round).append(&vote_step.step).append(&block_hash.unwrap_or_else(H256::zero));
 	s.out()
 }
 
-
 pub fn message_full_rlp(signature: &H520, vote_info: &Bytes) -> Bytes {
 	let mut s = RlpStream::new_list(2);
 	s.append(signature).append_raw(vote_info, 1);
@@ -199,14 +192,17 @@ mod tests {
 	use super::*;
 	use account_provider::AccountProvider;
 	use header::Header;
+	use ethkey::Secret;
 
 	#[test]
 	fn encode_decode() {
 		let message = ConsensusMessage {
 			signature: H520::default(),	
-			height: 10,
-			round: 123,
-			step: Step::Precommit,
+			vote_step: VoteStep {
+				height: 10,
+				round: 123,
+				step: Step::Precommit,
+			},
 			block_hash: Some("1".sha3())
 		};
 		let raw_rlp = ::rlp::encode(&message).to_vec();
@@ -215,9 +211,11 @@ mod tests {
 
 		let message = ConsensusMessage {
 			signature: H520::default(),	
-			height: 1314,
-			round: 0,
-			step: Step::Prevote,
+			vote_step: VoteStep {
+				height: 1314,
+				round: 0,
+				step: Step::Prevote,
+			},
 			block_hash: None
 		};
 		let raw_rlp = ::rlp::encode(&message);
@@ -228,10 +226,10 @@ mod tests {
 	#[test]
 	fn generate_and_verify() {
 		let tap = Arc::new(AccountProvider::transient_provider());
-		let addr = tap.insert_account("0".sha3(), "0").unwrap();
+		let addr = tap.insert_account(Secret::from_slice(&"0".sha3()).unwrap(), "0").unwrap();
 		tap.unlock_account_permanently(addr, "0".into()).unwrap();
 
-		let mi = message_info_rlp(123, 2, Step::Precommit, Some(H256::default()));
+		let mi = message_info_rlp(&VoteStep::new(123, 2, Step::Precommit), Some(H256::default()));
 
 		let raw_rlp = message_full_rlp(&tap.sign(addr, None, mi.sha3()).unwrap().into(), &mi);
 
@@ -254,9 +252,11 @@ mod tests {
 			message,
 			ConsensusMessage {
 				signature: Default::default(),
-				height: 0,
-				round: 0,
-				step: Step::Propose,
+				vote_step: VoteStep {
+					height: 0,
+					round: 0,
+					step: Step::Propose,
+				},
 				block_hash: Some(header.bare_hash())
 			}
 		);
@@ -267,12 +267,10 @@ mod tests {
 		let header = Header::default();
 		let pro = ConsensusMessage {
 			signature: Default::default(),
-			height: 0,
-			round: 0,
-			step: Step::Propose,
+			vote_step: VoteStep::new(0, 0, Step::Propose),
 			block_hash: Some(header.bare_hash())
 		};
-		let pre = message_info_rlp(0, 0, Step::Precommit, Some(header.bare_hash()));
+		let pre = message_info_rlp(&VoteStep::new(0, 0, Step::Precommit), Some(header.bare_hash()));
 
 		assert_eq!(pro.precommit_hash(), pre.sha3());
 	}

ethcore/src/engines/tendermint/mod.rs

@@ -53,7 +53,7 @@ use self::transition::TransitionHandler;
 use self::params::TendermintParams;
 use self::vote_collector::VoteCollector;
 
-#[derive(Debug, PartialEq, Eq, Clone, Copy)]
+#[derive(Debug, PartialEq, Eq, Clone, Copy, Hash)]
 pub enum Step {
 	Propose,
 	Prevote,
@@ -163,13 +163,13 @@ impl Tendermint {
 			let h = self.height.load(AtomicOrdering::SeqCst);
 			let r = self.round.load(AtomicOrdering::SeqCst);
 			let s = self.step.read();
-			let vote_info = message_info_rlp(h, r, *s, block_hash);
+			let vote_info = message_info_rlp(&VoteStep::new(h, r, *s), block_hash);
 			let authority = self.authority.read();
 			match ap.sign(*authority, self.password.read().clone(), vote_info.sha3()).map(Into::into) {
 				Ok(signature) => {
 					let message_rlp = message_full_rlp(&signature, &vote_info);
 					let message = ConsensusMessage::new(signature, h, r, *s, block_hash);
-					self.votes.vote(message.clone(), *authority);
+					self.votes.vote(message.clone(), &*authority);
 					debug!(target: "poa", "Generated {:?} as {}.", message, *authority);
 					self.handle_valid_message(&message);
 
@@ -221,7 +221,7 @@ impl Tendermint {
 			},
 			Step::Prevote => {
 				let block_hash = match *self.lock_change.read() {
-					Some(ref m) if !self.should_unlock(m.round) => m.block_hash,
+					Some(ref m) if !self.should_unlock(m.vote_step.round) => m.block_hash,
 					_ => self.proposal.read().clone(),
 				};
 				self.generate_and_broadcast_message(block_hash);
@@ -230,8 +230,8 @@ impl Tendermint {
 				trace!(target: "poa", "to_step: Precommit.");
 				let block_hash = match *self.lock_change.read() {
 					Some(ref m) if self.is_round(m) && m.block_hash.is_some() => {
-						trace!(target: "poa", "Setting last lock: {}", m.round);
-						self.last_lock.store(m.round, AtomicOrdering::SeqCst);
+						trace!(target: "poa", "Setting last lock: {}", m.vote_step.round);
+						self.last_lock.store(m.vote_step.round, AtomicOrdering::SeqCst);
 						m.block_hash
 					},
 					_ => None,
@@ -246,7 +246,7 @@ impl Tendermint {
 				if let Some(block_hash) = *self.proposal.read() {
 					// Generate seal and remove old votes.
 					if self.is_proposer(&*self.authority.read()).is_ok() {
-						if let Some(seal) = self.votes.seal_signatures(height, round, block_hash) {
+						if let Some(seal) = self.votes.seal_signatures(height, round, &block_hash) {
 							trace!(target: "poa", "Collected seal: {:?}", seal);
 							let seal = vec![
 								::rlp::encode(&round).to_vec(),
@@ -290,11 +290,11 @@ impl Tendermint {
 	}
 
 	fn is_height(&self, message: &ConsensusMessage) -> bool {
-		message.is_height(self.height.load(AtomicOrdering::SeqCst)) 
+		message.vote_step.is_height(self.height.load(AtomicOrdering::SeqCst)) 
 	}
 
 	fn is_round(&self, message: &ConsensusMessage) -> bool {
-		message.is_round(self.height.load(AtomicOrdering::SeqCst), self.round.load(AtomicOrdering::SeqCst)) 
+		message.vote_step.is_round(self.height.load(AtomicOrdering::SeqCst), self.round.load(AtomicOrdering::SeqCst)) 
 	}
 
 	fn increment_round(&self, n: Round) {
@@ -302,20 +302,20 @@ impl Tendermint {
 		self.round.fetch_add(n, AtomicOrdering::SeqCst);
 	}
 
-	fn should_unlock(&self, lock_change_round: Round) -> bool { 
+	fn should_unlock(&self, lock_change_round: Round) -> bool {
 		self.last_lock.load(AtomicOrdering::SeqCst) < lock_change_round
 			&& lock_change_round < self.round.load(AtomicOrdering::SeqCst)
 	}
 
 
 	fn has_enough_any_votes(&self) -> bool {
-		let step_votes = self.votes.count_step_votes(self.height.load(AtomicOrdering::SeqCst), self.round.load(AtomicOrdering::SeqCst), *self.step.read());
+		let step_votes = self.votes.count_step_votes(&VoteStep::new(self.height.load(AtomicOrdering::SeqCst), self.round.load(AtomicOrdering::SeqCst), *self.step.read()));
 		self.is_above_threshold(step_votes)
 	}
 
-	fn has_enough_future_step_votes(&self, message: &ConsensusMessage) -> bool {
-		if message.round > self.round.load(AtomicOrdering::SeqCst) {
-			let step_votes = self.votes.count_step_votes(message.height, message.round, message.step);
+	fn has_enough_future_step_votes(&self, vote_step: &VoteStep) -> bool {
+		if vote_step.round > self.round.load(AtomicOrdering::SeqCst) {
+			let step_votes = self.votes.count_step_votes(vote_step);
 			self.is_above_threshold(step_votes)	
 		} else {
 			false
@@ -328,12 +328,13 @@ impl Tendermint {
 	}
 
 	fn handle_valid_message(&self, message: &ConsensusMessage) {
+		let ref vote_step = message.vote_step;
 		let is_newer_than_lock = match *self.lock_change.read() {
-			Some(ref lock) => message > lock,
+			Some(ref lock) => vote_step > &lock.vote_step,
 			None => true,
 		};
 		let lock_change = is_newer_than_lock
-			&& message.step == Step::Prevote
+			&& vote_step.step == Step::Prevote
 			&& message.block_hash.is_some()
 			&& self.has_enough_aligned_votes(message);
 		if lock_change {
@@ -351,15 +352,15 @@ impl Tendermint {
 						Some(Step::Commit)
 					}
 				},
-				Step::Precommit if self.has_enough_future_step_votes(message) => {
-					self.increment_round(message.round - self.round.load(AtomicOrdering::SeqCst));
+				Step::Precommit if self.has_enough_future_step_votes(&vote_step) => {
+					self.increment_round(vote_step.round - self.round.load(AtomicOrdering::SeqCst));
 					Some(Step::Precommit)
 				},
 				// Avoid counting twice.
 				Step::Prevote if lock_change => Some(Step::Precommit),
 				Step::Prevote if self.has_enough_aligned_votes(message) => Some(Step::Precommit),
-				Step::Prevote if self.has_enough_future_step_votes(message) => {
-					self.increment_round(message.round - self.round.load(AtomicOrdering::SeqCst));
+				Step::Prevote if self.has_enough_future_step_votes(&vote_step) => {
+					self.increment_round(vote_step.round - self.round.load(AtomicOrdering::SeqCst));
 					Some(Step::Prevote)
 				},
 				_ => None,
@@ -390,8 +391,8 @@ impl Engine for Tendermint {
 		let message = ConsensusMessage::new_proposal(header).expect("Invalid header.");
 		map![
 			"signature".into() => message.signature.to_string(),
-			"height".into() => message.height.to_string(),
-			"round".into() => message.round.to_string(),
+			"height".into() => message.vote_step.height.to_string(),
+			"round".into() => message.vote_step.round.to_string(),
 			"block_hash".into() => message.block_hash.as_ref().map(ToString::to_string).unwrap_or("".into())
 		]
 	}
@@ -431,11 +432,11 @@ impl Engine for Tendermint {
 			let height = header.number() as Height;
 			let round = self.round.load(AtomicOrdering::SeqCst);
 			let bh = Some(header.bare_hash());
-			let vote_info = message_info_rlp(height, round, Step::Propose, bh.clone());
+			let vote_info = message_info_rlp(&VoteStep::new(height, round, Step::Propose), bh.clone());
 			if let Ok(signature) = ap.sign(*author, self.password.read().clone(), vote_info.sha3()).map(H520::from) {
 				// Insert Propose vote.
 				debug!(target: "poa", "Submitting proposal {} at height {} round {}.", header.bare_hash(), height, round);
-				self.votes.vote(ConsensusMessage::new(signature, height, round, Step::Propose, bh), *author);
+				self.votes.vote(ConsensusMessage::new(signature, height, round, Step::Propose, bh), author);
 				// Remember proposal for later seal submission.
 				*self.proposal.write() = bh;
 				Seal::Proposal(vec![
@@ -461,9 +462,11 @@ impl Engine for Tendermint {
 			if !self.is_authority(&sender) {
 				Err(EngineError::NotAuthorized(sender))?;
 			}
-			self.broadcast_message(rlp.as_raw().to_vec());
+			if self.votes.vote(message.clone(), &sender).is_some() {
+				Err(EngineError::DoubleVote(sender))?
+			}
 			trace!(target: "poa", "Handling a valid {:?} from {}.", message, sender);
-			self.votes.vote(message.clone(), sender);
+			self.broadcast_message(rlp.as_raw().to_vec());
 			self.handle_valid_message(&message);
 		}
 		Ok(())
@@ -502,7 +505,7 @@ impl Engine for Tendermint {
 	}
 
 	fn verify_block_unordered(&self, header: &Header, _block: Option<&[u8]>) -> Result<(), Error> {
-		let proposal = ConsensusMessage::new_proposal(header)?;	
+		let proposal = ConsensusMessage::new_proposal(header)?;
 		let proposer = proposal.verify()?;
 		if !self.is_authority(&proposer) {
 			Err(EngineError::NotAuthorized(proposer))?
@@ -541,7 +544,7 @@ impl Engine for Tendermint {
 					found: signatures_len
 				}))?;
 			}
-			self.is_round_proposer(proposal.height, proposal.round, &proposer)?;
+			self.is_round_proposer(proposal.vote_step.height, proposal.vote_step.round, &proposer)?;
 		}
 		Ok(())
 	}
@@ -607,16 +610,16 @@ impl Engine for Tendermint {
 		let proposal = ConsensusMessage::new_proposal(header).expect("block went through full verification; this Engine verifies new_proposal creation; qed");
 		if signatures_len != 1 {
 			// New Commit received, skip to next height.
-			trace!(target: "poa", "Received a commit for height {}, round {}.", proposal.height, proposal.round);
-			self.to_next_height(proposal.height);
+			trace!(target: "poa", "Received a commit: {:?}.", proposal.vote_step);
+			self.to_next_height(proposal.vote_step.height);
 			return false;
 		}
 		let proposer = proposal.verify().expect("block went through full verification; this Engine tries verify; qed");
-		debug!(target: "poa", "Received a new proposal for height {}, round {} from {}.", proposal.height, proposal.round, proposer);
+		debug!(target: "poa", "Received a new proposal {:?} from {}.", proposal.vote_step, proposer);
 		if self.is_round(&proposal) {
 			*self.proposal.write() = proposal.block_hash.clone();
 		}
-		self.votes.vote(proposal, proposer);
+		self.votes.vote(proposal, &proposer);
 		true
 	}
 
@@ -671,6 +674,7 @@ mod tests {
 	use error::{Error, BlockError};
 	use header::Header;
 	use env_info::EnvInfo;
+	use ethkey::Secret;
 	use client::chain_notify::ChainNotify;
 	use miner::MinerService;
 	use tests::helpers::*;
@@ -703,7 +707,7 @@ mod tests {
 	}
 
 	fn vote<F>(engine: &Engine, signer: F, height: usize, round: usize, step: Step, block_hash: Option<H256>) -> Bytes where F: FnOnce(H256) -> Result<H520, ::account_provider::Error> {
-		let mi = message_info_rlp(height, round, step, block_hash);
+		let mi = message_info_rlp(&VoteStep::new(height, round, step), block_hash);
 		let m = message_full_rlp(&signer(mi.sha3()).unwrap().into(), &mi);
 		engine.handle_message(&m).unwrap();
 		m
@@ -711,7 +715,7 @@ mod tests {
 
 	fn proposal_seal(tap: &Arc<AccountProvider>, header: &Header, round: Round) -> Vec<Bytes> {
 		let author = header.author();
-		let vote_info = message_info_rlp(header.number() as Height, round, Step::Propose, Some(header.bare_hash()));
+		let vote_info = message_info_rlp(&VoteStep::new(header.number() as Height, round, Step::Propose), Some(header.bare_hash()));
 		let signature = tap.sign(*author, None, vote_info.sha3()).unwrap();
 		vec![
 			::rlp::encode(&round).to_vec(),
@@ -721,7 +725,7 @@ mod tests {
 	}
 
 	fn insert_and_unlock(tap: &Arc<AccountProvider>, acc: &str) -> Address {
-		let addr = tap.insert_account(acc.sha3(), acc).unwrap();
+		let addr = tap.insert_account(Secret::from_slice(&acc.sha3()).unwrap(), acc).unwrap();
 		tap.unlock_account_permanently(addr, acc.into()).unwrap();
 		addr
 	}
@@ -825,7 +829,7 @@ mod tests {
 		header.set_author(proposer);
 		let mut seal = proposal_seal(&tap, &header, 0);
 
-		let vote_info = message_info_rlp(0, 0, Step::Precommit, Some(header.bare_hash()));
+		let vote_info = message_info_rlp(&VoteStep::new(0, 0, Step::Precommit), Some(header.bare_hash()));
 		let signature1 = tap.sign(proposer, None, vote_info.sha3()).unwrap();
 
 		seal[2] = ::rlp::encode(&vec![H520::from(signature1.clone())]).to_vec();
@@ -886,7 +890,7 @@ mod tests {
 	fn relays_messages() {
 		let (spec, tap) = setup();
 		let engine = spec.engine.clone();
-		
+
 		let v0 = insert_and_register(&tap, engine.as_ref(), "0");
 		let v1 = insert_and_register(&tap, engine.as_ref(), "1");
 

ethcore/src/engines/tendermint/vote_collector.rs

@@ -17,13 +17,50 @@
 //! Collects votes on hashes at each height and round.
 
 use util::*;
-use super::message::ConsensusMessage;
-use super::{Height, Round, Step};
+use super::message::*;
+use super::{Height, Round, Step, BlockHash};
 
 #[derive(Debug)]
 pub struct VoteCollector {
 	/// Storing all Proposals, Prevotes and Precommits.
-	votes: RwLock<BTreeMap<ConsensusMessage, Address>>,
+	votes: RwLock<BTreeMap<VoteStep, StepCollector>>,
+}
+
+#[derive(Debug, Default)]
+struct StepCollector {
+	voted: HashSet<Address>,
+	pub block_votes: HashMap<Option<BlockHash>, HashMap<H520, Address>>,
+	messages: HashSet<ConsensusMessage>,
+}
+
+impl StepCollector {
+	/// Returns Some(&Address) when validator is double voting.
+	fn insert<'a>(&mut self, message: ConsensusMessage, address: &'a Address) -> Option<&'a Address> {
+		// Do nothing when message was seen.
+		if self.messages.insert(message.clone()) {
+			if self.voted.insert(address.clone()) {
+				self
+					.block_votes
+					.entry(message.block_hash)
+					.or_insert_with(HashMap::new)
+					.insert(message.signature, address.clone());
+			} else {
+				// Bad validator sent a different message.
+				return Some(address);
+			}
+		}
+		None
+	}
+
+	/// Count all votes for the given block hash at this step.
+	fn count_block(&self, block_hash: &Option<BlockHash>) -> usize {
+		self.block_votes.get(block_hash).map_or(0, HashMap::len)
+	}
+
+	/// Count all votes collected for the given step.
+	fn count(&self) -> usize {
+		self.block_votes.values().map(HashMap::len).sum()
+	}
 }
 
 #[derive(Debug)]
@@ -42,109 +79,105 @@ impl PartialEq for SealSignatures {
 impl Eq for SealSignatures {}
 
 impl VoteCollector {
-	pub fn new() -> VoteCollector {
+	pub fn new() -> Self {
 		let mut collector = BTreeMap::new();
-		// Insert dummy message to fulfill invariant: "only messages newer than the oldest are inserted".
-		collector.insert(ConsensusMessage {
-			signature: H520::default(),
-			height: 0,
-			round: 0,
-			step: Step::Propose,
-			block_hash: None
-		},
-		Address::default());
+		// Insert dummy entry to fulfill invariant: "only messages newer than the oldest are inserted".
+		collector.insert(VoteStep::new(0, 0, Step::Propose), Default::default());
 		VoteCollector { votes: RwLock::new(collector) }
 	}
 
 	/// Insert vote if it is newer than the oldest one.
-	pub fn vote(&self, message: ConsensusMessage, voter: Address) -> Option<Address> {
-		self.votes.write().insert(message, voter)
+	pub fn vote<'a>(&self, message: ConsensusMessage, voter: &'a Address) -> Option<&'a Address> {
+		self
+			.votes
+			.write()
+			.entry(message.vote_step.clone())
+			.or_insert_with(Default::default)
+			.insert(message, voter)
 	}
 
+	/// Checks if the message should be ignored.
 	pub fn is_old_or_known(&self, message: &ConsensusMessage) -> bool {
-		self.votes.read().get(message).map_or(false, |a| {
-			trace!(target: "poa", "Known message from {}: {:?}.", a, message);
-			true
-		}) || {
+		self
+			.votes
+			.read()
+			.get(&message.vote_step)
+			.map_or(false, |c| {
+				let is_known = c.messages.contains(message);
+				if is_known { trace!(target: "poa", "Known message: {:?}.", message); }
+				is_known
+			})
+		|| {
 			let guard = self.votes.read();
-			let is_old = guard.keys().next().map_or(true, |oldest| message <= oldest);
+			let is_old = guard.keys().next().map_or(true, |oldest| message.vote_step <= *oldest);
 			if is_old { trace!(target: "poa", "Old message {:?}.", message); }
 			is_old
 		}
 	}
 
 	/// Throws out messages older than message, leaves message as marker for the oldest.
-	pub fn throw_out_old(&self, message: &ConsensusMessage) {
+	pub fn throw_out_old(&self, vote_step: &VoteStep) {
 		let mut guard = self.votes.write();
-		let new_collector = guard.split_off(message);
+		let new_collector = guard.split_off(vote_step);
 		*guard = new_collector;
 	}
 
-	pub fn seal_signatures(&self, height: Height, round: Round, block_hash: H256) -> Option<SealSignatures> {
-		let bh = Some(block_hash);
-		let (proposal, votes) = {
+	/// Collects the signatures used to seal a block.
+	pub fn seal_signatures(&self, height: Height, round: Round, block_hash: &H256) -> Option<SealSignatures> {
+		let ref bh = Some(*block_hash);
+		let precommit_step = VoteStep::new(height, round, Step::Precommit);
+		let maybe_seal = {
 			let guard = self.votes.read();
-			let mut current_signatures = guard.keys().skip_while(|m| !m.is_block_hash(height, round, Step::Propose, bh));
-			let proposal = current_signatures.next().cloned();
-			let votes = current_signatures
-					.skip_while(|m| !m.is_block_hash(height, round, Step::Precommit, bh))
-					.filter(|m| m.is_block_hash(height, round, Step::Precommit, bh))
-					.cloned()
-					.collect::<Vec<_>>();
-			(proposal, votes)
+			guard
+				.get(&VoteStep::new(height, round, Step::Propose))
+				.and_then(|c| c.block_votes.get(bh))
+				.and_then(|proposals| proposals.keys().next())
+				.map(|proposal| SealSignatures {
+					proposal: proposal.clone(),
+					votes: guard
+						.get(&precommit_step)
+						.and_then(|c| c.block_votes.get(bh))
+						.map(|precommits| precommits.keys().cloned().collect())
+						.unwrap_or_else(Vec::new),
+				})
+				.and_then(|seal| if seal.votes.is_empty() { None } else { Some(seal) })
 		};
-		if votes.is_empty() {
-			return None;
+		if maybe_seal.is_some() {
+				// Remove messages that are no longer relevant.
+				self.throw_out_old(&precommit_step);
 		}
-		// Remove messages that are no longer relevant.
-		votes.last().map(|m| self.throw_out_old(m));
-		let mut votes_vec: Vec<_> = votes.into_iter().map(|m| m.signature).collect();
-		votes_vec.sort();
-		proposal.map(|p| SealSignatures {
-			proposal: p.signature,
-			votes: votes_vec,
-		})
+		maybe_seal
 	}
 
+	/// Count votes which agree with the given message.
 	pub fn count_aligned_votes(&self, message: &ConsensusMessage) -> usize {
-		let guard = self.votes.read();
-		guard.keys()
-			.skip_while(|m| !m.is_aligned(message))
-			// sorted by signature so might not be continuous
-			.filter(|m| m.is_aligned(message))
-			.count()
+		self
+			.votes
+			.read()
+			.get(&message.vote_step)
+			.map_or(0, |m| m.count_block(&message.block_hash))
 	}
 
-	pub fn count_step_votes(&self, height: Height, round: Round, step: Step) -> usize {
-		let guard = self.votes.read();
-		let current = guard.iter().skip_while(|&(m, _)| !m.is_step(height, round, step));
-		let mut origins = HashSet::new();
-		let mut n = 0;
-		for (message, origin) in current {
-			if message.is_step(height, round, step) {
-				if origins.insert(origin) {
-					n += 1;
-				} else {
-					warn!("count_step_votes: Authority {} has cast multiple step votes, this indicates malicious behaviour.", origin)
-				}
-			}
-		}
-		n
+	/// Count all votes collected for a given step.
+	pub fn count_step_votes(&self, vote_step: &VoteStep) -> usize {
+		self.votes.read().get(vote_step).map_or(0, StepCollector::count)
 	}
 
+	/// Get all messages older than the height.
 	pub fn get_up_to(&self, height: Height) -> Vec<Bytes> {
 		let guard = self.votes.read();
 		guard
-			.keys()
-			.filter(|m| m.step.is_pre())
-			.take_while(|m| m.height <= height)
-			.map(|m| ::rlp::encode(m).to_vec())
-			.collect()
+			.iter()
+			.filter(|&(s, _)| s.step.is_pre())
+			.take_while(|&(s, _)| s.height <= height)
+			.map(|(_, c)| c.messages.iter().map(|m| ::rlp::encode(m).to_vec()).collect::<Vec<_>>())
+			.fold(Vec::new(), |mut acc, mut messages| { acc.append(&mut messages); acc })
 	}
 
+	/// Retrieve address from which the message was sent from cache.
 	pub fn get(&self, message: &ConsensusMessage) -> Option<Address> {
 		let guard = self.votes.read();
-		guard.get(message).cloned()
+		guard.get(&message.vote_step).and_then(|c| c.block_votes.get(&message.block_hash)).and_then(|origins| origins.get(&message.signature).cloned())
 	}
 }
 
@@ -152,15 +185,15 @@ impl VoteCollector {
 mod tests {
 	use util::*;
 	use super::*;
-	use super::super::{Height, Round, BlockHash, Step};
-	use super::super::message::ConsensusMessage;
+	use super::super::{BlockHash, Step};
+	use super::super::message::*;
 
-	fn random_vote(collector: &VoteCollector, signature: H520, h: Height, r: Round, step: Step, block_hash: Option<BlockHash>) -> Option<H160> {
-		full_vote(collector, signature, h, r, step, block_hash, H160::random())
+	fn random_vote(collector: &VoteCollector, signature: H520, vote_step: VoteStep, block_hash: Option<BlockHash>) -> bool {
+		full_vote(collector, signature, vote_step, block_hash, &H160::random()).is_none()
 	}
 
-	fn full_vote(collector: &VoteCollector, signature: H520, h: Height, r: Round, step: Step, block_hash: Option<BlockHash>, address: Address) -> Option<H160> {
-		collector.vote(ConsensusMessage { signature: signature, height: h, round: r, step: step, block_hash: block_hash }, address)
+	fn full_vote<'a>(collector: &VoteCollector, signature: H520, vote_step: VoteStep, block_hash: Option<BlockHash>, address: &'a Address) -> Option<&'a Address> {
+		collector.vote(ConsensusMessage { signature: signature, vote_step: vote_step, block_hash: block_hash }, address)
 	}
 
 	#[test]
@@ -173,68 +206,71 @@ mod tests {
 		for _ in 0..5 {
 			signatures.push(H520::random());
 		}
+		let propose_step = VoteStep::new(h, r, Step::Propose);
+		let prevote_step = VoteStep::new(h, r, Step::Prevote);
+		let precommit_step = VoteStep::new(h, r, Step::Precommit);
 		// Wrong height proposal.
-		random_vote(&collector, signatures[4].clone(), h - 1, r, Step::Propose, bh.clone());
+		random_vote(&collector, signatures[4].clone(), VoteStep::new(h - 1, r, Step::Propose), bh.clone());
 		// Good proposal
-		random_vote(&collector, signatures[0].clone(), h, r, Step::Propose, bh.clone());
+		random_vote(&collector, signatures[0].clone(), propose_step.clone(), bh.clone());
 		// Wrong block proposal.
-		random_vote(&collector, signatures[0].clone(), h, r, Step::Propose, Some("0".sha3()));
+		random_vote(&collector, signatures[0].clone(), propose_step.clone(), Some("0".sha3()));
 		// Wrong block precommit.
-		random_vote(&collector, signatures[3].clone(), h, r, Step::Precommit, Some("0".sha3()));
+		random_vote(&collector, signatures[3].clone(), precommit_step.clone(), Some("0".sha3()));
 		// Wrong round proposal.
-		random_vote(&collector, signatures[0].clone(), h, r - 1, Step::Propose, bh.clone());
+		random_vote(&collector, signatures[0].clone(), VoteStep::new(h, r - 1, Step::Propose), bh.clone());
 		// Prevote.
-		random_vote(&collector, signatures[0].clone(), h, r, Step::Prevote, bh.clone());
+		random_vote(&collector, signatures[0].clone(), prevote_step.clone(), bh.clone());
 		// Relevant precommit.
-		random_vote(&collector, signatures[2].clone(), h, r, Step::Precommit, bh.clone());
+		random_vote(&collector, signatures[2].clone(), precommit_step.clone(), bh.clone());
 		// Replcated vote.
-		random_vote(&collector, signatures[2].clone(), h, r, Step::Precommit, bh.clone());
+		random_vote(&collector, signatures[2].clone(), precommit_step.clone(), bh.clone());
 		// Wrong round precommit.
-		random_vote(&collector, signatures[4].clone(), h, r + 1, Step::Precommit, bh.clone());
+		random_vote(&collector, signatures[4].clone(), VoteStep::new(h, r + 1, Step::Precommit), bh.clone());
 		// Wrong height precommit.
-		random_vote(&collector, signatures[3].clone(), h + 1, r, Step::Precommit, bh.clone());
+		random_vote(&collector, signatures[3].clone(), VoteStep::new(h + 1, r, Step::Precommit), bh.clone());
 		// Relevant precommit.
-		random_vote(&collector, signatures[1].clone(), h, r, Step::Precommit, bh.clone());
+		random_vote(&collector, signatures[1].clone(), precommit_step.clone(), bh.clone());
 		// Wrong round precommit, same signature.
-		random_vote(&collector, signatures[1].clone(), h, r + 1, Step::Precommit, bh.clone());
+		random_vote(&collector, signatures[1].clone(), VoteStep::new(h, r + 1, Step::Precommit), bh.clone());
 		// Wrong round precommit.
-		random_vote(&collector, signatures[4].clone(), h, r - 1, Step::Precommit, bh.clone());
+		random_vote(&collector, signatures[4].clone(), VoteStep::new(h, r - 1, Step::Precommit), bh.clone());
 		let seal = SealSignatures {
 			proposal: signatures[0],
 			votes: signatures[1..3].to_vec()
 		};
-		assert_eq!(seal, collector.seal_signatures(h, r, bh.unwrap()).unwrap());
+		assert_eq!(seal, collector.seal_signatures(h, r, &bh.unwrap()).unwrap());
 	}
 
 	#[test]
 	fn count_votes() {
 		let collector = VoteCollector::new();	
+		let prevote_step = VoteStep::new(3, 2, Step::Prevote);
+		let precommit_step = VoteStep::new(3, 2, Step::Precommit);
 		// good prevote
-		random_vote(&collector, H520::random(), 3, 2, Step::Prevote, Some("0".sha3()));
-		random_vote(&collector, H520::random(), 3, 1, Step::Prevote, Some("0".sha3()));
+		random_vote(&collector, H520::random(), prevote_step.clone(), Some("0".sha3()));
+		random_vote(&collector, H520::random(), VoteStep::new(3, 1, Step::Prevote), Some("0".sha3()));
 		// good precommit
-		random_vote(&collector, H520::random(), 3, 2, Step::Precommit, Some("0".sha3()));
-		random_vote(&collector, H520::random(), 3, 3, Step::Precommit, Some("0".sha3()));
+		random_vote(&collector, H520::random(), precommit_step.clone(), Some("0".sha3()));
+		random_vote(&collector, H520::random(), VoteStep::new(3, 3, Step::Precommit), Some("0".sha3()));
 		// good prevote
-		random_vote(&collector, H520::random(), 3, 2, Step::Prevote, Some("1".sha3()));
+		random_vote(&collector, H520::random(), prevote_step.clone(), Some("1".sha3()));
 		// good prevote
 		let same_sig = H520::random();
-		random_vote(&collector, same_sig.clone(), 3, 2, Step::Prevote, Some("1".sha3()));
-		random_vote(&collector, same_sig, 3, 2, Step::Prevote, Some("1".sha3()));
+		random_vote(&collector, same_sig.clone(), prevote_step.clone(), Some("1".sha3()));
+		random_vote(&collector, same_sig, prevote_step.clone(), Some("1".sha3()));
 		// good precommit
-		random_vote(&collector, H520::random(), 3, 2, Step::Precommit, Some("1".sha3()));
+		random_vote(&collector, H520::random(), precommit_step.clone(), Some("1".sha3()));
 		// good prevote
-		random_vote(&collector, H520::random(), 3, 2, Step::Prevote, Some("0".sha3()));
-		random_vote(&collector, H520::random(), 2, 2, Step::Precommit, Some("2".sha3()));
+		random_vote(&collector, H520::random(), prevote_step.clone(), Some("0".sha3()));
+		random_vote(&collector, H520::random(), VoteStep::new(2, 2, Step::Precommit), Some("2".sha3()));
 
-		assert_eq!(collector.count_step_votes(3, 2, Step::Prevote), 4);
-		assert_eq!(collector.count_step_votes(3, 2, Step::Precommit), 2);
+		assert_eq!(collector.count_step_votes(&prevote_step), 4);
+		assert_eq!(collector.count_step_votes(&precommit_step), 2);
 
 		let message = ConsensusMessage {
 			signature: H520::default(),
-			height: 3,
-			round: 2,
-			step: Step::Prevote,
+			vote_step: prevote_step,
 			block_hash: Some("1".sha3())
 		};
 		assert_eq!(collector.count_aligned_votes(&message), 2);
@@ -243,30 +279,29 @@ mod tests {
 	#[test]
 	fn remove_old() {
 		let collector = VoteCollector::new();	
-		random_vote(&collector, H520::random(), 3, 2, Step::Prevote, Some("0".sha3()));
-		random_vote(&collector, H520::random(), 3, 1, Step::Prevote, Some("0".sha3()));
-		random_vote(&collector, H520::random(), 3, 3, Step::Precommit, Some("0".sha3()));
-		random_vote(&collector, H520::random(), 3, 2, Step::Prevote, Some("1".sha3()));
-		random_vote(&collector, H520::random(), 3, 2, Step::Prevote, Some("1".sha3()));
-		random_vote(&collector, H520::random(), 3, 2, Step::Prevote, Some("0".sha3()));
-		random_vote(&collector, H520::random(), 2, 2, Step::Precommit, Some("2".sha3()));
-
-		let message = ConsensusMessage {
-			signature: H520::default(),
-			height: 3,
-			round: 2,
-			step: Step::Precommit,
-			block_hash: Some("1".sha3())
+		let vote = |height, round, step, hash| {
+			random_vote(&collector, H520::random(), VoteStep::new(height, round, step), hash);
 		};
-		collector.throw_out_old(&message);
+		vote(3, 2, Step::Prevote, Some("0".sha3()));
+		vote(3, 1, Step::Prevote, Some("0".sha3()));
+		vote(3, 3, Step::Precommit, Some("0".sha3()));
+		vote(3, 2, Step::Prevote, Some("1".sha3()));
+		vote(3, 2, Step::Prevote, Some("1".sha3()));
+		vote(3, 2, Step::Prevote, Some("0".sha3()));
+		vote(2, 2, Step::Precommit, Some("2".sha3()));
+
+		collector.throw_out_old(&VoteStep::new(3, 2, Step::Precommit));
 		assert_eq!(collector.votes.read().len(), 1);
 	}
 
 	#[test]
 	fn malicious_authority() {
 		let collector = VoteCollector::new();	
-		full_vote(&collector, H520::random(), 3, 2, Step::Prevote, Some("0".sha3()), Address::default());
-		full_vote(&collector, H520::random(), 3, 2, Step::Prevote, Some("1".sha3()), Address::default());
-		assert_eq!(collector.count_step_votes(3, 2, Step::Prevote), 1);
+		let vote_step = VoteStep::new(3, 2, Step::Prevote);
+		// Vote is inserted fine.
+		assert!(full_vote(&collector, H520::random(), vote_step.clone(), Some("0".sha3()), &Address::default()).is_none());
+		// Returns the double voting address.
+		full_vote(&collector, H520::random(), vote_step.clone(), Some("1".sha3()), &Address::default()).unwrap();
+		assert_eq!(collector.count_step_votes(&vote_step), 1);
 	}
 }

ethcore/src/engines/validator_set/contract.rs

@@ -118,17 +118,17 @@ mod provider {
 			}
 		}
 		fn as_string<T: fmt::Debug>(e: T) -> String { format!("{:?}", e) }
-		
+
 		/// Auto-generated from: `{"constant":true,"inputs":[],"name":"getValidators","outputs":[{"name":"","type":"address[]"}],"payable":false,"type":"function"}`
 		#[allow(dead_code)]
-		pub fn get_validators(&self) -> Result<Vec<util::Address>, String> { 
+		pub fn get_validators(&self) -> Result<Vec<util::Address>, String> {
 			let call = self.contract.function("getValidators".into()).map_err(Self::as_string)?;
 			let data = call.encode_call(
 				vec![]
 			).map_err(Self::as_string)?;
 			let output = call.decode_output((self.do_call)(self.address.clone(), data)?).map_err(Self::as_string)?;
 			let mut result = output.into_iter().rev().collect::<Vec<_>>();
-			Ok(({ let r = result.pop().ok_or("Invalid return arity")?; let r = r.to_array().and_then(|v| v.into_iter().map(|a| a.to_address()).collect::<Option<Vec<[u8; 20]>>>()).ok_or("Invalid type returned")?; r.into_iter().map(|a| util::Address::from(a)).collect::<Vec<_>>() })) 
+			Ok(({ let r = result.pop().ok_or("Invalid return arity")?; let r = r.to_array().and_then(|v| v.into_iter().map(|a| a.to_address()).collect::<Option<Vec<[u8; 20]>>>()).ok_or("Invalid type returned")?; r.into_iter().map(|a| util::Address::from(a)).collect::<Vec<_>>() }))
 		}
 	}
 }
@@ -140,6 +140,7 @@ mod tests {
 	use account_provider::AccountProvider;
 	use transaction::{Transaction, Action};
 	use client::{BlockChainClient, EngineClient};
+	use ethkey::Secret;
 	use miner::MinerService;
 	use tests::helpers::generate_dummy_client_with_spec_and_data;
 	use super::super::ValidatorSet;
@@ -158,8 +159,9 @@ mod tests {
 	#[test]
 	fn changes_validators() {
 		let tap = Arc::new(AccountProvider::transient_provider());
-		let v0 = tap.insert_account("1".sha3(), "").unwrap();
-		let v1 = tap.insert_account("0".sha3(), "").unwrap();
+		let s0 = Secret::from_slice(&"1".sha3()).unwrap();
+		let v0 = tap.insert_account(s0.clone(), "").unwrap();
+		let v1 = tap.insert_account(Secret::from_slice(&"0".sha3()).unwrap(), "").unwrap();
 		let spec_factory = || {
 			let spec = Spec::new_validator_contract();
 			spec.engine.register_account_provider(tap.clone());
@@ -178,7 +180,7 @@ mod tests {
 			action: Action::Call(validator_contract),
 			value: 0.into(),
 			data: "f94e18670000000000000000000000000000000000000000000000000000000000000001".from_hex().unwrap(),
-		}.sign(&"1".sha3(), None);
+		}.sign(&s0, None);
 		client.miner().import_own_transaction(client.as_ref(), tx.into()).unwrap();
 		client.update_sealing();
 		assert_eq!(client.chain_info().best_block_number, 1);
@@ -190,7 +192,7 @@ mod tests {
 			action: Action::Call(validator_contract),
 			value: 0.into(),
 			data: "4d238c8e00000000000000000000000082a978b3f5962a5b0957d9ee9eef472ee55b42f1".from_hex().unwrap(),
-		}.sign(&"1".sha3(), None);
+		}.sign(&s0, None);
 		client.miner().import_own_transaction(client.as_ref(), tx.into()).unwrap();
 		client.update_sealing();
 		// The transaction is not yet included so still unable to seal.
@@ -209,7 +211,7 @@ mod tests {
 			action: Action::Call(Address::default()),
 			value: 0.into(),
 			data: Vec::new(),
-		}.sign(&"1".sha3(), None);
+		}.sign(&s0, None);
 		client.miner().import_own_transaction(client.as_ref(), tx.into()).unwrap();
 		client.update_sealing();
 		// Able to seal again.

ethcore/src/ethereum/ethash.rs

@@ -31,6 +31,9 @@ use ethjson;
 use rlp::{self, UntrustedRlp, View};
 use blockchain::extras::BlockDetails;
 
+/// Parity tries to round block.gas_limit to multiple of this constant
+pub const PARITY_GAS_LIMIT_DETERMINANT: U256 = U256([37, 0, 0, 0]);
+
 /// Ethash params.
 #[derive(Debug, PartialEq)]
 pub struct EthashParams {
@@ -180,14 +183,23 @@ impl Engine for Ethash {
 			let bound_divisor = self.ethash_params.gas_limit_bound_divisor;
 			let lower_limit = gas_limit - gas_limit / bound_divisor + 1.into();
 			let upper_limit = gas_limit + gas_limit / bound_divisor - 1.into();
-			if gas_limit < gas_floor_target {
-				min(gas_floor_target, upper_limit)
+			let gas_limit = if gas_limit < gas_floor_target {
+				let gas_limit = min(gas_floor_target, upper_limit);
+				round_block_gas_limit(gas_limit, lower_limit, upper_limit)
 			} else if gas_limit > gas_ceil_target {
-				max(gas_ceil_target, lower_limit)
+				let gas_limit = max(gas_ceil_target, lower_limit);
+				round_block_gas_limit(gas_limit, lower_limit, upper_limit)
 			} else {
-				max(gas_floor_target, min(min(gas_ceil_target, upper_limit), 
-					lower_limit + (header.gas_used().clone() * 6.into() / 5.into()) / bound_divisor))
-			}
+				let total_lower_limit = max(lower_limit, gas_floor_target);
+				let total_upper_limit = min(upper_limit, gas_ceil_target);
+				let gas_limit = max(gas_floor_target, min(total_upper_limit,
+					lower_limit + (header.gas_used().clone() * 6.into() / 5.into()) / bound_divisor));
+				round_block_gas_limit(gas_limit, total_lower_limit, total_upper_limit)
+			};
+			// ensure that we are not violating protocol limits
+			debug_assert!(gas_limit >= lower_limit);
+			debug_assert!(gas_limit <= upper_limit);
+			gas_limit
 		};
 		header.set_difficulty(difficulty);
 		header.set_gas_limit(gas_limit);
@@ -338,6 +350,23 @@ pub fn is_new_best_block(best_total_difficulty: U256, parent_details: &BlockDeta
 	parent_details.total_difficulty + new_header.difficulty() > best_total_difficulty
 }
 
+// Try to round gas_limit a bit so that:
+// 1) it will still be in desired range
+// 2) it will be a nearest (with tendency to increase) multiple of PARITY_GAS_LIMIT_DETERMINANT
+fn round_block_gas_limit(gas_limit: U256, lower_limit: U256, upper_limit: U256) -> U256 {
+	let increased_gas_limit = gas_limit + (PARITY_GAS_LIMIT_DETERMINANT - gas_limit % PARITY_GAS_LIMIT_DETERMINANT);
+	if increased_gas_limit > upper_limit {
+		let decreased_gas_limit = increased_gas_limit - PARITY_GAS_LIMIT_DETERMINANT;
+		if decreased_gas_limit < lower_limit {
+			gas_limit
+		} else {
+			decreased_gas_limit
+		}
+	} else {
+		increased_gas_limit
+	}
+}
+
 #[cfg_attr(feature="dev", allow(wrong_self_convention))]
 impl Ethash {
 	fn calculate_difficulty(&self, header: &Header, parent: &Header) -> U256 {
@@ -435,11 +464,12 @@ mod tests {
 	use util::*;
 	use block::*;
 	use tests::helpers::*;
+	use engines::Engine;
 	use env_info::EnvInfo;
 	use error::{BlockError, Error};
 	use header::Header;
 	use super::super::{new_morden, new_homestead_test};
-	use super::{Ethash, EthashParams};
+	use super::{Ethash, EthashParams, PARITY_GAS_LIMIT_DETERMINANT};
 	use rlp;
 
 	#[test]
@@ -777,4 +807,47 @@ mod tests {
 			ethash.calculate_difficulty(&header, &parent_header)
 		);
 	}
+
+	#[test]
+	fn gas_limit_is_multiple_of_determinant() {
+		let spec = new_homestead_test();
+		let ethash = Ethash::new(spec.params, get_default_ethash_params(), BTreeMap::new());
+		let mut parent = Header::new();
+		let mut header = Header::new();
+		header.set_number(1);
+
+		// this test will work for this constant only
+		assert_eq!(PARITY_GAS_LIMIT_DETERMINANT, U256::from(37));
+
+		// when parent.gas_limit < gas_floor_target:
+		parent.set_gas_limit(U256::from(50_000));
+		ethash.populate_from_parent(&mut header, &parent, U256::from(100_000), U256::from(200_000));
+		assert_eq!(*header.gas_limit(), U256::from(50_024));
+
+		// when parent.gas_limit > gas_ceil_target:
+		parent.set_gas_limit(U256::from(250_000));
+		ethash.populate_from_parent(&mut header, &parent, U256::from(100_000), U256::from(200_000));
+		assert_eq!(*header.gas_limit(), U256::from(249_787));
+
+		// when parent.gas_limit is in miner's range
+		header.set_gas_used(U256::from(150_000));
+		parent.set_gas_limit(U256::from(150_000));
+		ethash.populate_from_parent(&mut header, &parent, U256::from(100_000), U256::from(200_000));
+		assert_eq!(*header.gas_limit(), U256::from(150_035));
+
+		// when parent.gas_limit is in miner's range
+		// && we can NOT increase it to be multiple of constant
+		header.set_gas_used(U256::from(150_000));
+		parent.set_gas_limit(U256::from(150_000));
+		ethash.populate_from_parent(&mut header, &parent, U256::from(100_000), U256::from(150_002));
+		assert_eq!(*header.gas_limit(), U256::from(149_998));
+
+		// when parent.gas_limit is in miner's range
+		// && we can NOT increase it to be multiple of constant
+		// && we can NOT decrease it to be multiple of constant
+		header.set_gas_used(U256::from(150_000));
+		parent.set_gas_limit(U256::from(150_000));
+		ethash.populate_from_parent(&mut header, &parent, U256::from(150_000), U256::from(150_002));
+		assert_eq!(*header.gas_limit(), U256::from(150_002));
+	}
 }

ethcore/src/evm/evm.rs

@@ -22,7 +22,7 @@ use action_params::ActionParams;
 use evm::Ext;
 
 /// Evm errors.
-#[derive(Debug, Clone, Copy)]
+#[derive(Debug, Clone, Copy, 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

ethcore/src/evm/interpreter/mod.rs

@@ -37,7 +37,6 @@ use bit_set::BitSet;
 
 use util::*;
 
-type CodePosition = usize;
 type ProgramCounter = usize;
 
 const ONE: U256 = U256([1, 0, 0, 0]);

ethcore/src/executive.rs

@@ -45,7 +45,7 @@ pub fn contract_address(address: &Address, nonce: &U256) -> Address {
 }
 
 /// Transaction execution options.
-#[derive(Default)]
+#[derive(Default, Copy, Clone, PartialEq)]
 pub struct TransactOptions {
 	/// Enable call tracing.
 	pub tracing: bool,
@@ -463,8 +463,9 @@ impl<'a> Executive<'a> {
 
 		match result {
 			Err(evm::Error::Internal) => Err(ExecutionError::Internal),
-			Err(_) => {
+			Err(exception) => {
 				Ok(Executed {
+					exception: Some(exception),
 					gas: t.gas,
 					gas_used: t.gas,
 					refunded: U256::zero(),
@@ -479,6 +480,7 @@ impl<'a> Executive<'a> {
 			},
 			_ => {
 				Ok(Executed {
+					exception: None,
 					gas: t.gas,
 					gas_used: gas_used,
 					refunded: refunded,

ethcore/src/miner/banning_queue.rs

@@ -22,7 +22,7 @@ use std::ops::{Deref, DerefMut};
 use std::cell::Cell;
 use transaction::{SignedTransaction, Action};
 use transient_hashmap::TransientHashMap;
-use miner::{TransactionQueue, TransactionImportResult, TransactionOrigin, AccountDetails};
+use miner::{TransactionQueue, TransactionQueueDetailsProvider, TransactionImportResult, TransactionOrigin};
 use miner::transaction_queue::QueuingInstant;
 use error::{Error, TransactionError};
 use util::{Uint, U256, H256, Address, Hashable};
@@ -76,16 +76,12 @@ impl BanningTransactionQueue {
 
 	/// Add to the queue taking bans into consideration.
 	/// May reject transaction because of the banlist.
-	pub fn add_with_banlist<F, G>(
+	pub fn add_with_banlist(
 		&mut self,
 		transaction: SignedTransaction,
 		time: QueuingInstant,
-		account_details: &F,
-		gas_estimator: &G,
-	) -> Result<TransactionImportResult, Error> where
-		F: Fn(&Address) -> AccountDetails,
-		G: Fn(&SignedTransaction) -> U256,
-	{
+		details_provider: &TransactionQueueDetailsProvider,
+	) -> Result<TransactionImportResult, Error> {
 		if let Threshold::BanAfter(threshold) = self.ban_threshold {
 			// NOTE In all checks use direct query to avoid increasing ban timeout.
 
@@ -117,7 +113,7 @@ impl BanningTransactionQueue {
 				}
 			}
 		}
-		self.queue.add(transaction, TransactionOrigin::External, time, None, account_details, gas_estimator)
+		self.queue.add(transaction, TransactionOrigin::External, time, None, details_provider)
 	}
 
 	/// Ban transaction with given hash.
@@ -220,22 +216,16 @@ mod tests {
 	use transaction::{Transaction, SignedTransaction, Action};
 	use error::{Error, TransactionError};
 	use client::TransactionImportResult;
-	use miner::{TransactionQueue, TransactionOrigin, AccountDetails};
+	use miner::{TransactionQueue, TransactionOrigin};
 	use util::{Uint, U256, Address, FromHex, Hashable};
+	use miner::transaction_queue::test::DummyTransactionDetailsProvider;
 
 	fn queue() -> BanningTransactionQueue {
 		BanningTransactionQueue::new(TransactionQueue::default(), Threshold::BanAfter(1), Duration::from_secs(180))
 	}
 
-	fn default_account_details(_address: &Address) -> AccountDetails {
-		AccountDetails {
-			nonce: U256::zero(),
-			balance: !U256::zero(),
-		}
-	}
-
-	fn gas_required(_tx: &SignedTransaction) -> U256 {
-		0.into()
+	fn default_tx_provider() -> DummyTransactionDetailsProvider {
+		DummyTransactionDetailsProvider::default().with_account_nonce(U256::zero())
 	}
 
 	fn transaction(action: Action) -> SignedTransaction {
@@ -265,7 +255,7 @@ mod tests {
 		let mut txq = queue();
 
 		// when
-		txq.queue().add(tx, TransactionOrigin::External, 0, None, &default_account_details, &gas_required).unwrap();
+		txq.queue().add(tx, TransactionOrigin::External, 0, None, &default_tx_provider()).unwrap();
 
 		// then
 		// should also deref to queue
@@ -281,12 +271,12 @@ mod tests {
 		let banlist1 = txq.ban_sender(tx.sender().unwrap());
 		assert!(!banlist1, "Threshold not reached yet.");
 		// Insert once
-		let import1 = txq.add_with_banlist(tx.clone(), 0, &default_account_details, &gas_required).unwrap();
+		let import1 = txq.add_with_banlist(tx.clone(), 0, &default_tx_provider()).unwrap();
 		assert_eq!(import1, TransactionImportResult::Current);
 
 		// when
 		let banlist2 = txq.ban_sender(tx.sender().unwrap());
-		let import2 = txq.add_with_banlist(tx.clone(), 0, &default_account_details, &gas_required);
+		let import2 = txq.add_with_banlist(tx.clone(), 0, &default_tx_provider());
 
 		// then
 		assert!(banlist2, "Threshold should be reached - banned.");
@@ -305,12 +295,12 @@ mod tests {
 		let banlist1 = txq.ban_recipient(recipient);
 		assert!(!banlist1, "Threshold not reached yet.");
 		// Insert once
-		let import1 = txq.add_with_banlist(tx.clone(), 0, &default_account_details, &gas_required).unwrap();
+		let import1 = txq.add_with_banlist(tx.clone(), 0, &default_tx_provider()).unwrap();
 		assert_eq!(import1, TransactionImportResult::Current);
 
 		// when
 		let banlist2 = txq.ban_recipient(recipient);
-		let import2 = txq.add_with_banlist(tx.clone(), 0, &default_account_details, &gas_required);
+		let import2 = txq.add_with_banlist(tx.clone(), 0, &default_tx_provider());
 
 		// then
 		assert!(banlist2, "Threshold should be reached - banned.");
@@ -327,12 +317,12 @@ mod tests {
 		let banlist1 = txq.ban_codehash(codehash);
 		assert!(!banlist1, "Threshold not reached yet.");
 		// Insert once
-		let import1 = txq.add_with_banlist(tx.clone(), 0, &default_account_details, &gas_required).unwrap();
+		let import1 = txq.add_with_banlist(tx.clone(), 0, &default_tx_provider()).unwrap();
 		assert_eq!(import1, TransactionImportResult::Current);
 
 		// when
 		let banlist2 = txq.ban_codehash(codehash);
-		let import2 = txq.add_with_banlist(tx.clone(), 0, &default_account_details, &gas_required);
+		let import2 = txq.add_with_banlist(tx.clone(), 0, &default_tx_provider());
 
 		// then
 		assert!(banlist2, "Threshold should be reached - banned.");

ethcore/src/miner/local_transactions.rs

@@ -70,36 +70,43 @@ impl LocalTransactionsList {
 	}
 
 	pub fn mark_pending(&mut self, hash: H256) {
+		debug!(target: "own_tx", "Imported to Current (hash {:?})", hash);
 		self.clear_old();
 		self.transactions.insert(hash, Status::Pending);
 	}
 
 	pub fn mark_future(&mut self, hash: H256) {
+		debug!(target: "own_tx", "Imported to Future (hash {:?})", hash);
 		self.transactions.insert(hash, Status::Future);
 		self.clear_old();
 	}
 
 	pub fn mark_rejected(&mut self, tx: SignedTransaction, err: TransactionError) {
+		debug!(target: "own_tx", "Transaction rejected (hash {:?}): {:?}", tx.hash(), err);
 		self.transactions.insert(tx.hash(), Status::Rejected(tx, err));
 		self.clear_old();
 	}
 
 	pub fn mark_replaced(&mut self, tx: SignedTransaction, gas_price: U256, hash: H256) {
+		debug!(target: "own_tx", "Transaction replaced (hash {:?}) by {:?} (new gas price: {:?})", tx.hash(), hash, gas_price);
 		self.transactions.insert(tx.hash(), Status::Replaced(tx, gas_price, hash));
 		self.clear_old();
 	}
 
 	pub fn mark_invalid(&mut self, tx: SignedTransaction) {
+		warn!(target: "own_tx", "Transaction marked invalid (hash {:?})", tx.hash());
 		self.transactions.insert(tx.hash(), Status::Invalid(tx));
 		self.clear_old();
 	}
 
 	pub fn mark_dropped(&mut self, tx: SignedTransaction) {
+		warn!(target: "own_tx", "Transaction dropped (hash {:?})", tx.hash());
 		self.transactions.insert(tx.hash(), Status::Dropped(tx));
 		self.clear_old();
 	}
 
 	pub fn mark_mined(&mut self, tx: SignedTransaction) {
+		info!(target: "own_tx", "Transaction mined (hash {:?})", tx.hash());
 		self.transactions.insert(tx.hash(), Status::Mined(tx));
 		self.clear_old();
 	}

ethcore/src/miner/miner.rs

@@ -26,15 +26,17 @@ use client::TransactionImportResult;
 use executive::contract_address;
 use block::{ClosedBlock, IsBlock, Block};
 use error::*;
-use transaction::{Action, SignedTransaction, PendingTransaction};
+use transaction::{Action, SignedTransaction, PendingTransaction, Condition as TransactionCondition};
 use receipt::{Receipt, RichReceipt};
 use spec::Spec;
 use engines::{Engine, Seal};
-use miner::{MinerService, MinerStatus, TransactionQueue, PrioritizationStrategy, AccountDetails, TransactionOrigin};
+use miner::{MinerService, MinerStatus, TransactionQueue, TransactionQueueDetailsProvider, PrioritizationStrategy,
+	AccountDetails, TransactionOrigin};
 use miner::banning_queue::{BanningTransactionQueue, Threshold};
 use miner::work_notify::WorkPoster;
 use miner::price_info::PriceInfo;
 use miner::local_transactions::{Status as LocalTransactionStatus};
+use miner::service_transaction_checker::ServiceTransactionChecker;
 use header::BlockNumber;
 
 /// Different possible definitions for pending transaction set.
@@ -103,8 +105,10 @@ pub struct MinerOptions {
 	pub enable_resubmission: bool,
 	/// Global gas limit for all transaction in the queue except for local and retracted.
 	pub tx_queue_gas_limit: GasLimit,
-	/// Banning settings
+	/// Banning settings.
 	pub tx_queue_banning: Banning,
+	/// Do we refuse to accept service transactions even if sender is certified.
+	pub refuse_service_transactions: bool,
 }
 
 impl Default for MinerOptions {
@@ -123,6 +127,7 @@ impl Default for MinerOptions {
 			work_queue_size: 20,
 			enable_resubmission: true,
 			tx_queue_banning: Banning::Disabled,
+			refuse_service_transactions: false,
 		}
 	}
 }
@@ -149,7 +154,8 @@ impl GasPriceCalibrator {
 		if Instant::now() >= self.next_calibration {
 			let usd_per_tx = self.options.usd_per_tx;
 			trace!(target: "miner", "Getting price info");
-			let price_info = PriceInfo::get(move |price: PriceInfo| {
+
+			PriceInfo::get(move |price: PriceInfo| {
 				trace!(target: "miner", "Price info arrived: {:?}", price);
 				let usd_per_eth = price.ethusd;
 				let wei_per_usd: f32 = 1.0e18 / usd_per_eth;
@@ -159,11 +165,7 @@ impl GasPriceCalibrator {
 				set_price(U256::from(wei_per_gas as u64));
 			});
 
-			if price_info.is_ok() {
-				self.next_calibration = Instant::now() + self.options.recalibration_period;
-			} else {
-				warn!(target: "miner", "Unable to update Ether price.");
-			}
+			self.next_calibration = Instant::now() + self.options.recalibration_period;
 		}
 	}
 }
@@ -225,6 +227,7 @@ pub struct Miner {
 	accounts: Option<Arc<AccountProvider>>,
 	work_poster: Option<WorkPoster>,
 	gas_pricer: Mutex<GasPricer>,
+	service_transaction_action: ServiceTransactionAction,
 }
 
 impl Miner {
@@ -248,6 +251,10 @@ impl Miner {
 				ban_duration,
 			),
 		};
+		let service_transaction_action = match options.refuse_service_transactions {
+			true => ServiceTransactionAction::Refuse,
+			false => ServiceTransactionAction::Check(ServiceTransactionChecker::default()),
+		};
 		Miner {
 			transaction_queue: Arc::new(Mutex::new(txq)),
 			next_allowed_reseal: Mutex::new(Instant::now()),
@@ -267,6 +274,7 @@ impl Miner {
 			engine: spec.engine.clone(),
 			work_poster: work_poster,
 			gas_pricer: Mutex::new(gas_pricer),
+			service_transaction_action: service_transaction_action,
 		}
 	}
 
@@ -307,20 +315,10 @@ impl Miner {
 	#[cfg_attr(feature="dev", allow(match_same_arms))]
 	/// Prepares new block for sealing including top transactions from queue.
 	fn prepare_block(&self, chain: &MiningBlockChainClient) -> (ClosedBlock, Option<H256>) {
-		{
-			trace!(target: "miner", "prepare_block: recalibrating...");
-			let txq = self.transaction_queue.clone();
-			self.gas_pricer.lock().recalibrate(move |price| {
-				trace!(target: "miner", "prepare_block: Got gas price! {}", price);
-				txq.lock().set_minimal_gas_price(price);
-			});
-			trace!(target: "miner", "prepare_block: done recalibration.");
-		}
-
 		let _timer = PerfTimer::new("prepare_block");
 		let chain_info = chain.chain_info();
 		let (transactions, mut open_block, original_work_hash) = {
-			let transactions = {self.transaction_queue.lock().top_transactions_at(chain_info.best_block_number)};
+			let transactions = {self.transaction_queue.lock().top_transactions_at(chain_info.best_block_number, chain_info.best_block_timestamp)};
 			let mut sealing_work = self.sealing_work.lock();
 			let last_work_hash = sealing_work.queue.peek_last_ref().map(|pb| pb.block().fields().header.hash());
 			let best_hash = chain_info.best_block_hash;
@@ -431,6 +429,16 @@ impl Miner {
 		(block, original_work_hash)
 	}
 
+	/// Asynchronously updates minimal gas price for transaction queue
+	pub fn recalibrate_minimal_gas_price(&self) {
+		debug!(target: "miner", "minimal_gas_price: recalibrating...");
+		let txq = self.transaction_queue.clone();
+		self.gas_pricer.lock().recalibrate(move |price| {
+			debug!(target: "miner", "minimal_gas_price: Got gas price! {}", price);
+			txq.lock().set_minimal_gas_price(price);
+		});
+	}
+
 	/// Check is reseal is allowed and necessary.
 	fn requires_reseal(&self, best_block: BlockNumber) -> bool {
 		let has_local_transactions = self.transaction_queue.lock().has_local_pending_transactions();
@@ -530,8 +538,8 @@ impl Miner {
 		}
 	}
 
-	fn update_gas_limit(&self, chain: &MiningBlockChainClient) {
-		let gas_limit = chain.best_block_header().gas_limit();
+	fn update_gas_limit(&self, client: &MiningBlockChainClient) {
+		let gas_limit = client.best_block_header().gas_limit();
 		let mut queue = self.transaction_queue.lock();
 		queue.set_gas_limit(gas_limit);
 		if let GasLimit::Auto = self.options.tx_queue_gas_limit {
@@ -541,7 +549,7 @@ impl Miner {
 	}
 
 	/// Returns true if we had to prepare new pending block.
-	fn prepare_work_sealing(&self, chain: &MiningBlockChainClient) -> bool {
+	fn prepare_work_sealing(&self, client: &MiningBlockChainClient) -> bool {
 		trace!(target: "miner", "prepare_work_sealing: entering");
 		let prepare_new = {
 			let mut sealing_work = self.sealing_work.lock();
@@ -559,11 +567,11 @@ impl Miner {
 			// | NOTE Code below requires transaction_queue and sealing_work locks.     |
 			// | Make sure to release the locks before calling that method.             |
 			// --------------------------------------------------------------------------
-			let (block, original_work_hash) = self.prepare_block(chain);
+			let (block, original_work_hash) = self.prepare_block(client);
 			self.prepare_work(block, original_work_hash);
 		}
 		let mut sealing_block_last_request = self.sealing_block_last_request.lock();
-		let best_number = chain.chain_info().best_block_number;
+		let best_number = client.chain_info().best_block_number;
 		if *sealing_block_last_request != best_number {
 			trace!(target: "miner", "prepare_work_sealing: Miner received request (was {}, now {}) - waking up.", *sealing_block_last_request, best_number);
 			*sealing_block_last_request = best_number;
@@ -575,54 +583,45 @@ impl Miner {
 
 	fn add_transactions_to_queue(
 		&self,
-		chain: &MiningBlockChainClient,
+		client: &MiningBlockChainClient,
 		transactions: Vec<SignedTransaction>,
 		default_origin: TransactionOrigin,
-		min_block: Option<BlockNumber>,
-		transaction_queue: &mut BanningTransactionQueue)
-		-> Vec<Result<TransactionImportResult, Error>> {
-
-		let fetch_account = |a: &Address| AccountDetails {
-			nonce: chain.latest_nonce(a),
-			balance: chain.latest_balance(a),
-		};
-
+		condition: Option<TransactionCondition>,
+		transaction_queue: &mut BanningTransactionQueue,
+	) -> Vec<Result<TransactionImportResult, Error>> {
 		let accounts = self.accounts.as_ref()
 			.and_then(|provider| provider.accounts().ok())
 			.map(|accounts| accounts.into_iter().collect::<HashSet<_>>());
 
-		let schedule = chain.latest_schedule();
-		let gas_required = |tx: &SignedTransaction| tx.gas_required(&schedule).into();
-		let best_block_header = chain.best_block_header().decode();
-		let insertion_time = chain.chain_info().best_block_number;
+		let insertion_time = client.chain_info().best_block_number;
+		let best_header = client.best_block_header().decode();
 
 		transactions.into_iter()
 			.map(|tx| {
-				if chain.transaction_block(TransactionId::Hash(tx.hash())).is_some() {
-					debug!(target: "miner", "Rejected tx {:?}: already in the blockchain", tx.hash());
+				let hash = tx.hash();
+				if client.transaction_block(TransactionId::Hash(hash)).is_some() {
+					debug!(target: "miner", "Rejected tx {:?}: already in the blockchain", hash);
 					return Err(Error::Transaction(TransactionError::AlreadyImported));
 				}
-				match self.engine.verify_transaction_basic(&tx, &best_block_header) {
-					Err(e) => {
-						debug!(target: "miner", "Rejected tx {:?} with invalid signature: {:?}", tx.hash(), e);
-						Err(e)
-					},
-					Ok(()) => {
-						let origin = accounts.as_ref().and_then(|accounts| {
-							tx.sender().ok().and_then(|sender| match accounts.contains(&sender) {
-								true => Some(TransactionOrigin::Local),
-								false => None,
-							})
-						}).unwrap_or(default_origin);
+				let origin = accounts.as_ref().and_then(|accounts| {
+					tx.sender().ok().and_then(|sender| match accounts.contains(&sender) {
+						true => Some(TransactionOrigin::Local),
+						false => None,
+					})
+				}).unwrap_or(default_origin);
 
-						match origin {
-							TransactionOrigin::Local | TransactionOrigin::RetractedBlock => {
-								transaction_queue.add(tx, origin, insertion_time, min_block, &fetch_account, &gas_required)
-							},
-							TransactionOrigin::External => {
-								transaction_queue.add_with_banlist(tx, insertion_time, &fetch_account, &gas_required)
-							}
-						}
+				// try to install service transaction checker before appending transactions
+				self.service_transaction_action.update_from_chain_client(client);
+
+				self.engine.verify_transaction_basic(&tx, &best_header)?;
+
+				let details_provider = TransactionDetailsProvider::new(client, &self.service_transaction_action);
+				match origin {
+					TransactionOrigin::Local | TransactionOrigin::RetractedBlock => {
+						transaction_queue.add(tx, origin, insertion_time, condition.clone(), &details_provider)
+					},
+					TransactionOrigin::External => {
+						transaction_queue.add_with_banlist(tx, insertion_time, &details_provider)
 					},
 				}
 			})
@@ -673,7 +672,7 @@ impl MinerService for Miner {
 		}
 	}
 
-	fn call(&self, chain: &MiningBlockChainClient, t: &SignedTransaction, analytics: CallAnalytics) -> Result<Executed, CallError> {
+	fn call(&self, client: &MiningBlockChainClient, t: &SignedTransaction, analytics: CallAnalytics) -> Result<Executed, CallError> {
 		let sealing_work = self.sealing_work.lock();
 		match sealing_work.queue.peek_last_ref() {
 			Some(work) => {
@@ -681,7 +680,7 @@ impl MinerService for Miner {
 
 				// TODO: merge this code with client.rs's fn call somwhow.
 				let header = block.header();
-				let last_hashes = Arc::new(chain.last_hashes());
+				let last_hashes = Arc::new(client.last_hashes());
 				let env_info = EnvInfo {
 					number: header.number(),
 					author: *header.author(),
@@ -706,16 +705,14 @@ impl MinerService for Miner {
 					state.add_balance(&sender, &(needed_balance - balance), CleanupMode::NoEmpty);
 				}
 				let options = TransactOptions { tracing: analytics.transaction_tracing, vm_tracing: analytics.vm_tracing, check_nonce: false };
-				let mut ret = Executive::new(&mut state, &env_info, &*self.engine, chain.vm_factory()).transact(t, options)?;
+				let mut ret = Executive::new(&mut state, &env_info, &*self.engine, client.vm_factory()).transact(t, options)?;
 
 				// TODO gav move this into Executive.
 				ret.state_diff = original_state.map(|original| state.diff_from(original));
 
 				Ok(ret)
 			},
-			None => {
-				chain.call(t, BlockId::Latest, analytics)
-			}
+			None => client.call(t, BlockId::Latest, analytics)
 		}
 	}
 
@@ -872,23 +869,20 @@ impl MinerService for Miner {
 		pending: PendingTransaction,
 	) -> Result<TransactionImportResult, Error> {
 
-		let hash = pending.transaction.hash();
 		trace!(target: "own_tx", "Importing transaction: {:?}", pending);
 
 		let imported = {
 			// Be sure to release the lock before we call prepare_work_sealing
 			let mut transaction_queue = self.transaction_queue.lock();
 			let import = self.add_transactions_to_queue(
-				chain, vec![pending.transaction], TransactionOrigin::Local, pending.min_block, &mut transaction_queue
+				chain, vec![pending.transaction], TransactionOrigin::Local, pending.condition, &mut transaction_queue
 			).pop().expect("one result returned per added transaction; one added => one result; qed");
 
 			match import {
-				Ok(ref res) => {
-					trace!(target: "own_tx", "Imported transaction to {:?} (hash: {:?})", res, hash);
+				Ok(_) => {
 					trace!(target: "own_tx", "Status: {:?}", transaction_queue.status());
 				},
 				Err(ref e) => {
-					trace!(target: "own_tx", "Failed to import transaction {:?} (hash: {:?})", e, hash);
 					trace!(target: "own_tx", "Status: {:?}", transaction_queue.status());
 					warn!(target: "own_tx", "Error importing transaction: {:?}", e);
 				},
@@ -916,7 +910,7 @@ impl MinerService for Miner {
 
 	fn pending_transactions(&self) -> Vec<PendingTransaction> {
 		let queue = self.transaction_queue.lock();
-		queue.pending_transactions(BlockNumber::max_value())
+		queue.pending_transactions(BlockNumber::max_value(), u64::max_value())
 	}
 
 	fn local_transactions(&self) -> BTreeMap<H256, LocalTransactionStatus> {
@@ -931,14 +925,14 @@ impl MinerService for Miner {
 		self.transaction_queue.lock().future_transactions()
 	}
 
-	fn ready_transactions(&self, best_block: BlockNumber) -> Vec<PendingTransaction> {
+	fn ready_transactions(&self, best_block: BlockNumber, best_block_timestamp: u64) -> Vec<PendingTransaction> {
 		let queue = self.transaction_queue.lock();
 		match self.options.pending_set {
-			PendingSet::AlwaysQueue => queue.pending_transactions(best_block),
+			PendingSet::AlwaysQueue => queue.pending_transactions(best_block, best_block_timestamp),
 			PendingSet::SealingOrElseQueue => {
 				self.from_pending_block(
 					best_block,
-					|| queue.pending_transactions(best_block),
+					|| queue.pending_transactions(best_block, best_block_timestamp),
 					|sealing| sealing.transactions().iter().map(|t| t.clone().into()).collect()
 				)
 			},
@@ -1126,6 +1120,9 @@ impl MinerService for Miner {
 		// First update gas limit in transaction queue
 		self.update_gas_limit(chain);
 
+		// Update minimal gas price
+		self.recalibrate_minimal_gas_price();
+
 		// Then import all transactions...
 		{
 			retracted.par_iter()
@@ -1167,6 +1164,60 @@ impl MinerService for Miner {
 	}
 }
 
+/// Action when service transaction is received
+enum ServiceTransactionAction {
+	/// Refuse service transaction immediately
+	Refuse,
+	/// Accept if sender is certified to send service transactions
+	Check(ServiceTransactionChecker),
+}
+
+impl ServiceTransactionAction {
+	pub fn update_from_chain_client(&self, client: &MiningBlockChainClient) {
+		if let ServiceTransactionAction::Check(ref checker) = *self {
+			checker.update_from_chain_client(client);
+		}
+	}
+
+	pub fn check(&self, client: &MiningBlockChainClient, tx: &SignedTransaction) -> Result<bool, String> {
+		match *self {
+			ServiceTransactionAction::Refuse => Err("configured to refuse service transactions".to_owned()),
+			ServiceTransactionAction::Check(ref checker) => checker.check(client, tx),
+		}
+	}
+}
+
+struct TransactionDetailsProvider<'a> {
+	client: &'a MiningBlockChainClient,
+	service_transaction_action: &'a ServiceTransactionAction,
+}
+
+impl<'a> TransactionDetailsProvider<'a> {
+	pub fn new(client: &'a MiningBlockChainClient, service_transaction_action: &'a ServiceTransactionAction) -> Self {
+		TransactionDetailsProvider {
+			client: client,
+			service_transaction_action: service_transaction_action,
+		}
+	}
+}
+
+impl<'a> TransactionQueueDetailsProvider for TransactionDetailsProvider<'a> {
+	fn fetch_account(&self, address: &Address) -> AccountDetails {
+		AccountDetails {
+			nonce: self.client.latest_nonce(address),
+			balance: self.client.latest_balance(address),
+		}
+	}
+
+	fn estimate_gas_required(&self, tx: &SignedTransaction) -> U256 {
+		tx.gas_required(&self.client.latest_schedule()).into()
+	}
+
+	fn is_service_transaction_acceptable(&self, tx: &SignedTransaction) -> Result<bool, String> {
+		self.service_transaction_action.check(self.client, tx)
+	}
+}
+
 #[cfg(test)]
 mod tests {
 
@@ -1231,6 +1282,7 @@ mod tests {
 				work_queue_size: 5,
 				enable_resubmission: true,
 				tx_queue_banning: Banning::Disabled,
+				refuse_service_transactions: false,
 			},
 			GasPricer::new_fixed(0u64.into()),
 			&Spec::new_test(),
@@ -1263,7 +1315,7 @@ mod tests {
 		// then
 		assert_eq!(res.unwrap(), TransactionImportResult::Current);
 		assert_eq!(miner.pending_transactions().len(), 1);
-		assert_eq!(miner.ready_transactions(best_block).len(), 1);
+		assert_eq!(miner.ready_transactions(best_block, 0).len(), 1);
 		assert_eq!(miner.pending_transactions_hashes(best_block).len(), 1);
 		assert_eq!(miner.pending_receipts(best_block).len(), 1);
 		// This method will let us know if pending block was created (before calling that method)
@@ -1283,7 +1335,7 @@ mod tests {
 		// then
 		assert_eq!(res.unwrap(), TransactionImportResult::Current);
 		assert_eq!(miner.pending_transactions().len(), 1);
-		assert_eq!(miner.ready_transactions(best_block).len(), 0);
+		assert_eq!(miner.ready_transactions(best_block, 0).len(), 0);
 		assert_eq!(miner.pending_transactions_hashes(best_block).len(), 0);
 		assert_eq!(miner.pending_receipts(best_block).len(), 0);
 	}
@@ -1302,7 +1354,7 @@ mod tests {
 		assert_eq!(res.unwrap(), TransactionImportResult::Current);
 		assert_eq!(miner.pending_transactions().len(), 1);
 		assert_eq!(miner.pending_transactions_hashes(best_block).len(), 0);
-		assert_eq!(miner.ready_transactions(best_block).len(), 0);
+		assert_eq!(miner.ready_transactions(best_block, 0).len(), 0);
 		assert_eq!(miner.pending_receipts(best_block).len(), 0);
 		// This method will let us know if pending block was created (before calling that method)
 		assert!(miner.prepare_work_sealing(&client));

ethcore/src/miner/mod.rs

@@ -46,12 +46,14 @@ mod external;
 mod local_transactions;
 mod miner;
 mod price_info;
+mod service_transaction_checker;
 mod transaction_queue;
 mod work_notify;
 
 pub use self::external::{ExternalMiner, ExternalMinerService};
 pub use self::miner::{Miner, MinerOptions, Banning, PendingSet, GasPricer, GasPriceCalibratorOptions, GasLimit};
-pub use self::transaction_queue::{TransactionQueue, PrioritizationStrategy, AccountDetails, TransactionOrigin};
+pub use self::transaction_queue::{TransactionQueue, TransactionDetailsProvider as TransactionQueueDetailsProvider,
+	PrioritizationStrategy, AccountDetails, TransactionOrigin};
 pub use self::local_transactions::{Status as LocalTransactionStatus};
 pub use client::TransactionImportResult;
 
@@ -148,7 +150,7 @@ pub trait MinerService : Send + Sync {
 	fn pending_transactions(&self) -> Vec<PendingTransaction>;
 
 	/// Get a list of all transactions that can go into the given block.
-	fn ready_transactions(&self, best_block: BlockNumber) -> Vec<PendingTransaction>;
+	fn ready_transactions(&self, best_block: BlockNumber, best_block_timestamp: u64) -> Vec<PendingTransaction>;
 
 	/// Get a list of all future transactions.
 	fn future_transactions(&self) -> Vec<PendingTransaction>;

ethcore/src/miner/price_info.rs

@@ -21,7 +21,7 @@ use std::time::Duration;
 use std::str::FromStr;
 use std::sync::mpsc;
 use hyper::client::{Handler, Request, Response, Client};
-use hyper::{Next, Encoder, Decoder};
+use hyper::{Url, Next, Encoder, Decoder};
 use hyper::net::HttpStream;
 
 #[derive(Debug)]
@@ -29,12 +29,12 @@ pub struct PriceInfo {
 	pub ethusd: f32,
 }
 
-pub struct SetPriceHandler<F: Fn(PriceInfo) + Sync + Send + 'static> {
+pub struct SetPriceHandler<F> {
 	set_price: F,
 	channel: mpsc::Sender<()>,
 }
 
-impl<F: Fn(PriceInfo) + Sync + Send + 'static> Drop for SetPriceHandler<F> {
+impl<F> Drop for SetPriceHandler<F> {
 	fn drop(&mut self) {
 		let _ = self.channel.send(());
 	}
@@ -47,42 +47,66 @@ impl<F: Fn(PriceInfo) + Sync + Send + 'static> Handler<HttpStream> for SetPriceH
 
 	fn on_response_readable(&mut self, r: &mut Decoder<HttpStream>) -> Next {
 		let mut body = String::new();
-		let _ = r.read_to_string(&mut body).ok()
-			.and_then(|_| Json::from_str(&body).ok())
-			.and_then(|json| json.find_path(&["result", "ethusd"])
-				.and_then(|obj| match *obj {
-					Json::String(ref s) => Some((self.set_price)(PriceInfo {
-						ethusd: FromStr::from_str(s)
-							.expect("Etherscan API will always return properly formatted price; qed")
-					})),
-					_ => None,
-				}));
+		let info = r.read_to_string(&mut body)
+			.map_err(|e| format!("Unable to read response: {:?}", e))
+			.and_then(|_| self.process_response(&body));
+
+		if let Err(e) = info {
+			warn!("Failed to auto-update latest ETH price: {:?}", e);
+		}
 		Next::end()
 	}
-
 }
 
-impl PriceInfo {
-	pub fn get<F: Fn(PriceInfo) + Sync + Send + 'static>(set_price: F) -> Result<(), ()> {
-		// TODO: Handle each error type properly
-		let client = Client::new().map_err(|_| ())?;
-		thread::spawn(move || {
-			let (tx, rx) = mpsc::channel();
-			let url = FromStr::from_str("http://api.etherscan.io/api?module=stats&action=ethprice")
-				.expect("string known to be a valid URL; qed");
-			let _ = client.request(
-				url,
-				SetPriceHandler {
-					set_price: set_price,
-					channel: tx,
-				}).ok().and_then(|_| rx.recv().ok());
-			client.close();
+impl<F: Fn(PriceInfo) + Sync + Send + 'static> SetPriceHandler<F> {
+	fn process_response(&self, body: &str) -> Result<(), String> {
+		let json = Json::from_str(body).map_err(|e| format!("Invalid JSON returned: {:?}", e))?;
+		let obj = json.find_path(&["result", "ethusd"]).ok_or("USD price not found".to_owned())?;
+		let ethusd = match *obj {
+			Json::String(ref s) => FromStr::from_str(s).ok(),
+			_ => None,
+		}.ok_or("Unexpected price format.".to_owned())?;
+
+		(self.set_price)(PriceInfo {
+			ethusd: ethusd,
 		});
 		Ok(())
 	}
 }
 
-#[test]
+impl PriceInfo {
+	pub fn get<F: Fn(PriceInfo) + Sync + Send + 'static>(set_price: F) {
+		thread::spawn(move || {
+			let url = FromStr::from_str("http://api.etherscan.io/api?module=stats&action=ethprice")
+				.expect("string known to be a valid URL; qed");
+
+			if let Err(e) = Self::request(url, set_price) {
+				warn!("Failed to auto-update latest ETH price: {:?}", e);
+			}
+		});
+	}
+
+	fn request<F: Fn(PriceInfo) + Send + Sync + 'static>(url: Url, set_price: F) -> Result<(), String> {
+		let (tx, rx) = mpsc::channel();
+		let client = Client::new().map_err(|e| format!("Unable to start client: {:?}", e))?;
+
+		client.request(
+			url,
+			SetPriceHandler {
+				set_price: set_price,
+				channel: tx,
+			},
+		).map_err(|_| "Request failed.".to_owned())?;
+
+		// Wait for exit
+		let _ = rx.recv().map_err(|e| format!("Request interrupted: {:?}", e))?;
+		client.close();
+
+		Ok(())
+	}
+}
+
+#[test] #[ignore]
 fn should_get_price_info() {
 	use std::sync::Arc;
 	use std::time::Duration;
@@ -93,7 +117,7 @@ fn should_get_price_info() {
 	let done = Arc::new((Mutex::new(PriceInfo { ethusd: 0f32 }), Condvar::new()));
 	let rdone = done.clone();
 
-	PriceInfo::get(move |price| { let mut p = rdone.0.lock(); *p = price; rdone.1.notify_one(); }).unwrap();
+	PriceInfo::get(move |price| { let mut p = rdone.0.lock(); *p = price; rdone.1.notify_one(); });
 	let mut p = done.0.lock();
 	let t = done.1.wait_for(&mut p, Duration::from_millis(10000));
 	assert!(!t.timed_out());

ethcore/src/miner/service_transaction_checker.rs

@@ -0,0 +1,212 @@
+// Copyright 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 client::MiningBlockChainClient;
+use transaction::SignedTransaction;
+use util::{U256, Uint, Mutex};
+
+const SERVICE_TRANSACTION_CONTRACT_REGISTRY_NAME: &'static str = "service_transaction_checker";
+
+/// Service transactions checker.
+#[derive(Default)]
+pub struct ServiceTransactionChecker {
+	contract: Mutex<Option<provider::Contract>>,
+}
+
+impl ServiceTransactionChecker {
+	/// Try to create instance, reading contract address from given chain client.
+	pub fn update_from_chain_client(&self, client: &MiningBlockChainClient) {
+		let mut contract = self.contract.lock();
+		if contract.is_none() {
+			*contract = client.registry_address(SERVICE_TRANSACTION_CONTRACT_REGISTRY_NAME.to_owned())
+				.and_then(|contract_addr| {
+					trace!(target: "txqueue", "Configuring for service transaction checker contract from {}", contract_addr);
+
+					Some(provider::Contract::new(contract_addr))
+				})
+		}
+	}
+
+	/// Checks if service transaction can be appended to the transaction queue.
+	pub fn check(&self, client: &MiningBlockChainClient, tx: &SignedTransaction) -> Result<bool, String> {
+		debug_assert_eq!(tx.gas_price, U256::zero());
+
+		if let Some(ref contract) = *self.contract.lock() {
+			let do_call = |a, d| client.call_contract(a, d);
+			contract.certified(&do_call, &tx.sender().unwrap())
+		} else {
+			Err("contract is not configured".to_owned())
+		}
+	}
+}
+
+mod provider {
+	// Autogenerated from JSON contract definition using Rust contract convertor.
+	// Command line: --jsonabi=SimpleCertifier.abi --explicit-do-call
+	#![allow(unused_imports)]
+	use std::string::String;
+	use std::result::Result;
+	use std::fmt;
+	use {util, ethabi};
+	use util::{FixedHash, Uint};
+
+	pub struct Contract {
+		contract: ethabi::Contract,
+		address: util::Address,
+		
+	}
+	impl Contract {
+		pub fn new(address: util::Address) -> Self
+			{
+			Contract {
+				contract: ethabi::Contract::new(ethabi::Interface::load(b"[{\"constant\":false,\"inputs\":[{\"name\":\"_new\",\"type\":\"address\"}],\"name\":\"setOwner\",\"outputs\":[],\"payable\":false,\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_who\",\"type\":\"address\"}],\"name\":\"certify\",\"outputs\":[],\"payable\":false,\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"_who\",\"type\":\"address\"},{\"name\":\"_field\",\"type\":\"string\"}],\"name\":\"getAddress\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_who\",\"type\":\"address\"}],\"name\":\"revoke\",\"outputs\":[],\"payable\":false,\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"delegate\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"_who\",\"type\":\"address\"},{\"name\":\"_field\",\"type\":\"string\"}],\"name\":\"getUint\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_new\",\"type\":\"address\"}],\"name\":\"setDelegate\",\"outputs\":[],\"payable\":false,\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"_who\",\"type\":\"address\"}],\"name\":\"certified\",\"outputs\":[{\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"_who\",\"type\":\"address\"},{\"name\":\"_field\",\"type\":\"string\"}],\"name\":\"get\",\"outputs\":[{\"name\":\"\",\"type\":\"bytes32\"}],\"payable\":false,\"type\":\"function\"}]").expect("JSON is autogenerated; qed")),
+				address: address,
+				
+			}
+		}
+		fn as_string<T: fmt::Debug>(e: T) -> String { format!("{:?}", e) }
+		
+		/// Auto-generated from: `{"constant":false,"inputs":[{"name":"_new","type":"address"}],"name":"setOwner","outputs":[],"payable":false,"type":"function"}`
+		#[allow(dead_code)]
+		pub fn set_owner<F>(&self, do_call: &F, _new: &util::Address) -> Result<(), String>
+			where F: Fn(util::Address, Vec<u8>) -> Result<Vec<u8>, String> + Send  {
+			let call = self.contract.function("setOwner".into()).map_err(Self::as_string)?;
+			let data = call.encode_call(
+				vec![ethabi::Token::Address(_new.clone().0)]
+			).map_err(Self::as_string)?;
+			call.decode_output((do_call)(self.address.clone(), data)?).map_err(Self::as_string)?;
+			
+			Ok(())
+		}
+
+		/// Auto-generated from: `{"constant":false,"inputs":[{"name":"_who","type":"address"}],"name":"certify","outputs":[],"payable":false,"type":"function"}`
+		#[allow(dead_code)]
+		pub fn certify<F>(&self, do_call: &F, _who: &util::Address) -> Result<(), String>
+			where F: Fn(util::Address, Vec<u8>) -> Result<Vec<u8>, String> + Send  {
+			let call = self.contract.function("certify".into()).map_err(Self::as_string)?;
+			let data = call.encode_call(
+				vec![ethabi::Token::Address(_who.clone().0)]
+			).map_err(Self::as_string)?;
+			call.decode_output((do_call)(self.address.clone(), data)?).map_err(Self::as_string)?;
+			
+			Ok(())
+		}
+
+		/// Auto-generated from: `{"constant":true,"inputs":[{"name":"_who","type":"address"},{"name":"_field","type":"string"}],"name":"getAddress","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"}`
+		#[allow(dead_code)]
+		pub fn get_address<F>(&self, do_call: &F, _who: &util::Address, _field: &str) -> Result<util::Address, String>
+			where F: Fn(util::Address, Vec<u8>) -> Result<Vec<u8>, String> + Send  {
+			let call = self.contract.function("getAddress".into()).map_err(Self::as_string)?;
+			let data = call.encode_call(
+				vec![ethabi::Token::Address(_who.clone().0), ethabi::Token::String(_field.to_owned())]
+			).map_err(Self::as_string)?;
+			let output = call.decode_output((do_call)(self.address.clone(), data)?).map_err(Self::as_string)?;
+			let mut result = output.into_iter().rev().collect::<Vec<_>>();
+			Ok(({ let r = result.pop().ok_or("Invalid return arity")?; let r = r.to_address().ok_or("Invalid type returned")?; util::Address::from(r) }))
+		}
+
+		/// Auto-generated from: `{"constant":false,"inputs":[{"name":"_who","type":"address"}],"name":"revoke","outputs":[],"payable":false,"type":"function"}`
+		#[allow(dead_code)]
+		pub fn revoke<F>(&self, do_call: &F, _who: &util::Address) -> Result<(), String>
+			where F: Fn(util::Address, Vec<u8>) -> Result<Vec<u8>, String> + Send  {
+			let call = self.contract.function("revoke".into()).map_err(Self::as_string)?;
+			let data = call.encode_call(
+				vec![ethabi::Token::Address(_who.clone().0)]
+			).map_err(Self::as_string)?;
+			call.decode_output((do_call)(self.address.clone(), data)?).map_err(Self::as_string)?;
+			
+			Ok(())
+		}
+
+		/// Auto-generated from: `{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"}`
+		#[allow(dead_code)]
+		pub fn owner<F>(&self, do_call: &F) -> Result<util::Address, String>
+			where F: Fn(util::Address, Vec<u8>) -> Result<Vec<u8>, String> + Send  {
+			let call = self.contract.function("owner".into()).map_err(Self::as_string)?;
+			let data = call.encode_call(
+				vec![]
+			).map_err(Self::as_string)?;
+			let output = call.decode_output((do_call)(self.address.clone(), data)?).map_err(Self::as_string)?;
+			let mut result = output.into_iter().rev().collect::<Vec<_>>();
+			Ok(({ let r = result.pop().ok_or("Invalid return arity")?; let r = r.to_address().ok_or("Invalid type returned")?; util::Address::from(r) }))
+		}
+
+		/// Auto-generated from: `{"constant":true,"inputs":[],"name":"delegate","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"}`
+		#[allow(dead_code)]
+		pub fn delegate<F>(&self, do_call: &F) -> Result<util::Address, String>
+			where F: Fn(util::Address, Vec<u8>) -> Result<Vec<u8>, String> + Send  {
+			let call = self.contract.function("delegate".into()).map_err(Self::as_string)?;
+			let data = call.encode_call(
+				vec![]
+			).map_err(Self::as_string)?;
+			let output = call.decode_output((do_call)(self.address.clone(), data)?).map_err(Self::as_string)?;
+			let mut result = output.into_iter().rev().collect::<Vec<_>>();
+			Ok(({ let r = result.pop().ok_or("Invalid return arity")?; let r = r.to_address().ok_or("Invalid type returned")?; util::Address::from(r) }))
+		}
+
+		/// Auto-generated from: `{"constant":true,"inputs":[{"name":"_who","type":"address"},{"name":"_field","type":"string"}],"name":"getUint","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"}`
+		#[allow(dead_code)]
+		pub fn get_uint<F>(&self, do_call: &F, _who: &util::Address, _field: &str) -> Result<util::U256, String>
+			where F: Fn(util::Address, Vec<u8>) -> Result<Vec<u8>, String> + Send  {
+			let call = self.contract.function("getUint".into()).map_err(Self::as_string)?;
+			let data = call.encode_call(
+				vec![ethabi::Token::Address(_who.clone().0), ethabi::Token::String(_field.to_owned())]
+			).map_err(Self::as_string)?;
+			let output = call.decode_output((do_call)(self.address.clone(), data)?).map_err(Self::as_string)?;
+			let mut result = output.into_iter().rev().collect::<Vec<_>>();
+			Ok(({ let r = result.pop().ok_or("Invalid return arity")?; let r = r.to_uint().ok_or("Invalid type returned")?; util::U256::from(r.as_ref()) }))
+		}
+
+		/// Auto-generated from: `{"constant":false,"inputs":[{"name":"_new","type":"address"}],"name":"setDelegate","outputs":[],"payable":false,"type":"function"}`
+		#[allow(dead_code)]
+		pub fn set_delegate<F>(&self, do_call: &F, _new: &util::Address) -> Result<(), String>
+			where F: Fn(util::Address, Vec<u8>) -> Result<Vec<u8>, String> + Send  {
+			let call = self.contract.function("setDelegate".into()).map_err(Self::as_string)?;
+			let data = call.encode_call(
+				vec![ethabi::Token::Address(_new.clone().0)]
+			).map_err(Self::as_string)?;
+			call.decode_output((do_call)(self.address.clone(), data)?).map_err(Self::as_string)?;
+			
+			Ok(())
+		}
+
+		/// Auto-generated from: `{"constant":true,"inputs":[{"name":"_who","type":"address"}],"name":"certified","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"}`
+		#[allow(dead_code)]
+		pub fn certified<F>(&self, do_call: &F, _who: &util::Address) -> Result<bool, String>
+			where F: Fn(util::Address, Vec<u8>) -> Result<Vec<u8>, String> + Send  {
+			let call = self.contract.function("certified".into()).map_err(Self::as_string)?;
+			let data = call.encode_call(
+				vec![ethabi::Token::Address(_who.clone().0)]
+			).map_err(Self::as_string)?;
+			let output = call.decode_output((do_call)(self.address.clone(), data)?).map_err(Self::as_string)?;
+			let mut result = output.into_iter().rev().collect::<Vec<_>>();
+			Ok(({ let r = result.pop().ok_or("Invalid return arity")?; let r = r.to_bool().ok_or("Invalid type returned")?; r }))
+		}
+
+		/// Auto-generated from: `{"constant":true,"inputs":[{"name":"_who","type":"address"},{"name":"_field","type":"string"}],"name":"get","outputs":[{"name":"","type":"bytes32"}],"payable":false,"type":"function"}`
+		#[allow(dead_code)]
+		pub fn get<F>(&self, do_call: &F, _who: &util::Address, _field: &str) -> Result<util::H256, String>
+			where F: Fn(util::Address, Vec<u8>) -> Result<Vec<u8>, String> + Send  {
+			let call = self.contract.function("get".into()).map_err(Self::as_string)?;
+			let data = call.encode_call(
+				vec![ethabi::Token::Address(_who.clone().0), ethabi::Token::String(_field.to_owned())]
+			).map_err(Self::as_string)?;
+			let output = call.decode_output((do_call)(self.address.clone(), data)?).map_err(Self::as_string)?;
+			let mut result = output.into_iter().rev().collect::<Vec<_>>();
+			Ok(({ let r = result.pop().ok_or("Invalid return arity")?; let r = r.to_fixed_bytes().ok_or("Invalid type returned")?; util::H256::from_slice(r.as_ref()) }))
+		}
+	}
+}

ethcore/src/state/mod.rs

@@ -844,6 +844,7 @@ mod tests {
 	use std::str::FromStr;
 	use rustc_serialize::hex::FromHex;
 	use super::*;
+	use ethkey::Secret;
 	use util::{U256, H256, FixedHash, Address, Hashable};
 	use tests::helpers::*;
 	use devtools::*;
@@ -854,6 +855,10 @@ mod tests {
 	use trace::{FlatTrace, TraceError, trace};
 	use types::executed::CallType;
 
+	fn secret() -> Secret {
+		Secret::from_slice(&"".sha3()).unwrap()
+	}
+
 	#[test]
 	fn should_apply_create_transaction() {
 		init_log();
@@ -872,7 +877,7 @@ mod tests {
 			action: Action::Create,
 			value: 100.into(),
 			data: FromHex::from_hex("601080600c6000396000f3006000355415600957005b60203560003555").unwrap(),
-		}.sign(&"".sha3(), None);
+		}.sign(&secret(), None);
 
 		state.add_balance(t.sender().as_ref().unwrap(), &(100.into()), CleanupMode::NoEmpty);
 		let result = state.apply(&info, &engine, &t, true).unwrap();
@@ -932,7 +937,7 @@ mod tests {
 			action: Action::Create,
 			value: 100.into(),
 			data: FromHex::from_hex("5b600056").unwrap(),
-		}.sign(&"".sha3(), None);
+		}.sign(&secret(), None);
 
 		state.add_balance(t.sender().as_ref().unwrap(), &(100.into()), CleanupMode::NoEmpty);
 		let result = state.apply(&info, &engine, &t, true).unwrap();
@@ -969,7 +974,7 @@ mod tests {
 			action: Action::Call(0xa.into()),
 			value: 100.into(),
 			data: vec![],
-		}.sign(&"".sha3(), None);
+		}.sign(&secret(), None);
 
 		state.init_code(&0xa.into(), FromHex::from_hex("6000").unwrap());
 		state.add_balance(t.sender().as_ref().unwrap(), &(100.into()), CleanupMode::NoEmpty);
@@ -1012,7 +1017,7 @@ mod tests {
 			action: Action::Call(0xa.into()),
 			value: 100.into(),
 			data: vec![],
-		}.sign(&"".sha3(), None);
+		}.sign(&secret(), None);
 
 		state.add_balance(t.sender().as_ref().unwrap(), &(100.into()), CleanupMode::NoEmpty);
 		let result = state.apply(&info, &engine, &t, true).unwrap();
@@ -1054,7 +1059,7 @@ mod tests {
 			action: Action::Call(0x1.into()),
 			value: 0.into(),
 			data: vec![],
-		}.sign(&"".sha3(), None);
+		}.sign(&secret(), None);
 
 		let result = state.apply(&info, engine, &t, true).unwrap();
 
@@ -1096,7 +1101,7 @@ mod tests {
 			action: Action::Call(0xa.into()),
 			value: 0.into(),
 			data: vec![],
-		}.sign(&"".sha3(), None);
+		}.sign(&secret(), None);
 
 		state.init_code(&0xa.into(), FromHex::from_hex("600060006000600060006001610be0f1").unwrap());
 		let result = state.apply(&info, engine, &t, true).unwrap();
@@ -1139,7 +1144,7 @@ mod tests {
 			action: Action::Call(0xa.into()),
 			value: 0.into(),
 			data: vec![],
-		}.sign(&"".sha3(), None);
+		}.sign(&secret(), None);
 
 		state.init_code(&0xa.into(), FromHex::from_hex("60006000600060006000600b611000f2").unwrap());
 		state.init_code(&0xb.into(), FromHex::from_hex("6000").unwrap());
@@ -1201,7 +1206,7 @@ mod tests {
 			action: Action::Call(0xa.into()),
 			value: 0.into(),
 			data: vec![],
-		}.sign(&"".sha3(), None);
+		}.sign(&secret(), None);
 
 		state.init_code(&0xa.into(), FromHex::from_hex("6000600060006000600b618000f4").unwrap());
 		state.init_code(&0xb.into(), FromHex::from_hex("6000").unwrap());
@@ -1260,7 +1265,7 @@ mod tests {
 			action: Action::Call(0xa.into()),
 			value: 100.into(),
 			data: vec![],
-		}.sign(&"".sha3(), None);
+		}.sign(&secret(), None);
 
 		state.init_code(&0xa.into(), FromHex::from_hex("5b600056").unwrap());
 		state.add_balance(t.sender().as_ref().unwrap(), &(100.into()), CleanupMode::NoEmpty);
@@ -1300,7 +1305,7 @@ mod tests {
 			action: Action::Call(0xa.into()),
 			value: 100.into(),
 			data: vec![],
-		}.sign(&"".sha3(), None);
+		}.sign(&secret(), None);
 
 		state.init_code(&0xa.into(), FromHex::from_hex("60006000600060006000600b602b5a03f1").unwrap());
 		state.init_code(&0xb.into(), FromHex::from_hex("6000").unwrap());
@@ -1360,7 +1365,7 @@ mod tests {
 			action: Action::Call(0xa.into()),
 			value: 100.into(),
 			data: vec![],
-		}.sign(&"".sha3(), None);
+		}.sign(&secret(), None);
 
 		state.init_code(&0xa.into(), FromHex::from_hex("60006000600060006045600b6000f1").unwrap());
 		state.add_balance(t.sender().as_ref().unwrap(), &(100.into()), CleanupMode::NoEmpty);
@@ -1415,7 +1420,7 @@ mod tests {
 			action: Action::Call(0xa.into()),
 			value: 100.into(),
 			data: vec![],
-		}.sign(&"".sha3(), None);
+		}.sign(&secret(), None);
 
 		state.init_code(&0xa.into(), FromHex::from_hex("600060006000600060ff600b6000f1").unwrap());	// not enough funds.
 		state.add_balance(t.sender().as_ref().unwrap(), &(100.into()), CleanupMode::NoEmpty);
@@ -1458,7 +1463,7 @@ mod tests {
 			action: Action::Call(0xa.into()),
 			value: 100.into(),
 			data: vec![],//600480600b6000396000f35b600056
-		}.sign(&"".sha3(), None);
+		}.sign(&secret(), None);
 
 		state.init_code(&0xa.into(), FromHex::from_hex("60006000600060006000600b602b5a03f1").unwrap());
 		state.init_code(&0xb.into(), FromHex::from_hex("5b600056").unwrap());
@@ -1514,7 +1519,7 @@ mod tests {
 			action: Action::Call(0xa.into()),
 			value: 100.into(),
 			data: vec![],
-		}.sign(&"".sha3(), None);
+		}.sign(&secret(), None);
 
 		state.init_code(&0xa.into(), FromHex::from_hex("60006000600060006000600b602b5a03f1").unwrap());
 		state.init_code(&0xb.into(), FromHex::from_hex("60006000600060006000600c602b5a03f1").unwrap());
@@ -1589,7 +1594,7 @@ mod tests {
 			action: Action::Call(0xa.into()),
 			value: 100.into(),
 			data: vec![],//600480600b6000396000f35b600056
-		}.sign(&"".sha3(), None);
+		}.sign(&secret(), None);
 
 		state.init_code(&0xa.into(), FromHex::from_hex("60006000600060006000600b602b5a03f1").unwrap());
 		state.init_code(&0xb.into(), FromHex::from_hex("60006000600060006000600c602b5a03f1505b601256").unwrap());
@@ -1662,7 +1667,7 @@ mod tests {
 			action: Action::Call(0xa.into()),
 			value: 100.into(),
 			data: vec![],
-		}.sign(&"".sha3(), None);
+		}.sign(&secret(), None);
 
 		state.init_code(&0xa.into(), FromHex::from_hex("73000000000000000000000000000000000000000bff").unwrap());
 		state.add_balance(&0xa.into(), &50.into(), CleanupMode::NoEmpty);

ethcore/src/tests/client.rs

@@ -28,8 +28,8 @@ use rlp::View;
 use spec::Spec;
 use views::BlockView;
 use util::stats::Histogram;
-use ethkey::KeyPair;
-use transaction::{PendingTransaction, Transaction, Action};
+use ethkey::{KeyPair, Secret};
+use transaction::{PendingTransaction, Transaction, Action, Condition};
 use miner::MinerService;
 
 #[test]
@@ -233,6 +233,13 @@ fn empty_gas_price_histogram() {
 	assert!(client.gas_price_histogram(20, 5).is_none());
 }
 
+#[test]
+fn corpus_is_sorted() {
+	let client_result = generate_dummy_client_with_data(2, 1, slice_into![U256::from_str("11426908979").unwrap(), U256::from_str("50426908979").unwrap()]);
+	let client = client_result.reference();
+	let corpus = client.gas_price_corpus(20);
+	assert!(corpus[0] < corpus[1]);
+}
 
 #[test]
 fn can_handle_long_fork() {
@@ -290,7 +297,7 @@ fn change_history_size() {
 
 #[test]
 fn does_not_propagate_delayed_transactions() {
-	let key = KeyPair::from_secret("test".sha3()).unwrap();
+	let key = KeyPair::from_secret(Secret::from_slice(&"test".sha3()).unwrap()).unwrap();
 	let secret = key.secret();
 	let tx0 = PendingTransaction::new(Transaction {
 		nonce: 0.into(),
@@ -299,7 +306,7 @@ fn does_not_propagate_delayed_transactions() {
 		action: Action::Call(Address::default()),
 		value: 0.into(),
 		data: Vec::new(),
-	}.sign(secret, None), Some(2));
+	}.sign(secret, None), Some(Condition::Number(2)));
 	let tx1 = PendingTransaction::new(Transaction {
 		nonce: 1.into(),
 		gas_price: 0.into(),

ethcore/src/tests/helpers.rs

@@ -163,7 +163,7 @@ pub fn generate_dummy_client_with_spec_and_data<F>(get_test_spec: F, block_numbe
 	let mut last_hashes = vec![];
 	let mut last_header = genesis_header.clone();
 
-	let kp = KeyPair::from_secret("".sha3()).unwrap();
+	let kp = KeyPair::from_secret_slice(&"".sha3()).unwrap();
 	let author = kp.address();
 
 	let mut n = 0;

ethcore/src/trace/db.rs

@@ -16,7 +16,7 @@
 
 //! Trace database.
 use std::ops::Deref;
-use std::collections::HashMap;
+use std::collections::{HashMap, VecDeque};
 use std::sync::Arc;
 use bloomchain::{Number, Config as BloomConfig};
 use bloomchain::group::{BloomGroupDatabase, BloomGroupChain, GroupPosition, BloomGroup};
@@ -305,7 +305,7 @@ impl<T> TraceDatabase for TraceDB<T> where T: DatabaseExtras {
 	}
 
 	fn trace(&self, block_number: BlockNumber, tx_position: usize, trace_position: Vec<usize>) -> Option<LocalizedTrace> {
-		let trace_position_deq = trace_position.into_iter().collect();
+		let trace_position_deq = trace_position.into_iter().collect::<VecDeque<usize>>();
 		self.extras.block_hash(block_number)
 			.and_then(|block_hash| self.transactions_traces(&block_hash)
 				.and_then(|traces| traces.into_iter().nth(tx_position))

ethcore/src/types/blockchain_info.rs

@@ -34,6 +34,8 @@ pub struct BlockChainInfo {
 	pub best_block_hash: H256,
 	/// Best blockchain block number.
 	pub best_block_number: BlockNumber,
+	/// Best blockchain block timestamp.
+	pub best_block_timestamp: u64,
 	/// Best ancient block hash.
 	pub ancient_block_hash: Option<H256>,
 	/// Best ancient block number.

ethcore/src/types/executed.rs

@@ -18,6 +18,7 @@
 
 use util::{Bytes, U256, Address, U512};
 use rlp::*;
+use evm;
 use trace::{VMTrace, FlatTrace};
 use types::log_entry::LogEntry;
 use types::state_diff::StateDiff;
@@ -65,6 +66,9 @@ impl Decodable for CallType {
 #[derive(Debug, PartialEq, Clone)]
 #[cfg_attr(feature = "ipc", binary)]
 pub struct Executed {
+	/// True if the outer call/create resulted in an exceptional exit.
+	pub exception: Option<evm::Error>,
+
 	/// Gas paid up front for execution of transaction.
 	pub gas: U256,
 
@@ -178,6 +182,8 @@ pub enum CallError {
 	TransactionNotFound,
 	/// Couldn't find requested block's state in the chain.
 	StatePruned,
+	/// Couldn't find an amount of gas that didn't result in an exception.
+	Exceptional,
 	/// Error executing.
 	Execution(ExecutionError),
 }
@@ -195,6 +201,7 @@ impl fmt::Display for CallError {
 		let msg = match *self {
 			TransactionNotFound => "Transaction couldn't be found in the chain".into(),
 			StatePruned => "Couldn't find the transaction block's state in the chain".into(),
+			Exceptional => "An exception happened in the execution".into(),
 			Execution(ref e) => format!("{}", e),
 		};
 

ethcore/src/types/trace_types/trace.rs

@@ -391,6 +391,14 @@ impl Res {
 			Res::Call(_) | Res::FailedCall(_) | Res::FailedCreate(_) | Res::None => Default::default(),
 		}
 	}
+
+	/// Did this call fail?
+	pub fn succeeded(&self) -> bool {
+		match *self {
+			Res::Call(_) | Res::Create(_) => true,
+			_ => false,
+		}
+	}
 }
 
 #[derive(Debug, Clone, PartialEq)]
@@ -561,4 +569,3 @@ impl Decodable for VMTrace {
 		Ok(res)
 	}
 }
-

ethcore/src/types/transaction.rs

@@ -16,7 +16,7 @@
 
 //! Transaction data structure.
 
-use std::ops::Deref;
+use std::ops::{Deref, DerefMut};
 use std::cell::*;
 use rlp::*;
 use util::sha3::Hashable;
@@ -53,6 +53,16 @@ impl Decodable for Action {
 	}
 }
 
+/// Transaction activation condition.
+#[derive(Debug, Clone, PartialEq, Eq)]
+#[cfg_attr(feature = "ipc", binary)]
+pub enum Condition {
+	/// Valid at this block number or later.
+	Number(BlockNumber),
+	/// Valid at this unix time or later.
+	Timestamp(u64),
+}
+
 /// A set of information describing an externally-originating message call
 /// or contract creation operation.
 #[derive(Default, Debug, Clone, PartialEq, Eq)]
@@ -102,6 +112,7 @@ impl HeapSizeOf for Transaction {
 impl From<ethjson::state::Transaction> for SignedTransaction {
 	fn from(t: ethjson::state::Transaction) -> Self {
 		let to: Option<ethjson::hash::Address> = t.to.into();
+		let secret = Secret::from_slice(&t.secret.0).expect("Valid secret expected.");
 		Transaction {
 			nonce: t.nonce.into(),
 			gas_price: t.gas_price.into(),
@@ -112,7 +123,7 @@ impl From<ethjson::state::Transaction> for SignedTransaction {
 			},
 			value: t.value.into(),
 			data: t.data.into(),
-		}.sign(&t.secret.into(), None)
+		}.sign(&secret, None)
 	}
 }
 
@@ -239,6 +250,12 @@ impl Deref for SignedTransaction {
 	}
 }
 
+impl DerefMut for SignedTransaction {
+	fn deref_mut(&mut self) -> &mut Self::Target {
+		&mut self.unsigned
+	}
+}
+
 impl Decodable for SignedTransaction {
 	fn decode<D>(decoder: &D) -> Result<Self, DecoderError> where D: Decoder {
 		let d = decoder.as_rlp();
@@ -400,16 +417,16 @@ impl Deref for LocalizedTransaction {
 pub struct PendingTransaction {
 	/// Signed transaction data.
 	pub transaction: SignedTransaction,
-	/// To be activated at this block. `None` for immediately.
-	pub min_block: Option<BlockNumber>,
+	/// To be activated at this condition. `None` for immediately.
+	pub condition: Option<Condition>,
 }
 
 impl PendingTransaction {
 	/// Create a new pending transaction from signed transaction.
-	pub fn new(signed: SignedTransaction, min_block: Option<BlockNumber>) -> Self {
+	pub fn new(signed: SignedTransaction, condition: Option<Condition>) -> Self {
 		PendingTransaction {
 			transaction: signed,
-			min_block: min_block,
+			condition: condition,
 		}
 	}
 }
@@ -418,7 +435,7 @@ impl From<SignedTransaction> for PendingTransaction {
 	fn from(t: SignedTransaction) -> Self {
 		PendingTransaction {
 			transaction: t,
-			min_block: None,
+			condition: None,
 		}
 	}
 }

ethcrypto/src/lib.rs

@@ -166,7 +166,7 @@ pub mod aes {
 /// ECDH functions
 #[cfg_attr(feature="dev", allow(similar_names))]
 pub mod ecdh {
-	use secp256k1::{ecdh, key};
+	use secp256k1::{ecdh, key, Error as SecpError};
 	use ethkey::{Secret, Public, SECP256K1};
 	use Error;
 
@@ -180,13 +180,11 @@ pub mod ecdh {
 		};
 
 		let publ = key::PublicKey::from_slice(context, &pdata)?;
-		// no way to create SecretKey from raw byte array.
-		let sec: &key::SecretKey = unsafe { ::std::mem::transmute(secret) };
-		let shared = ecdh::SharedSecret::new_raw(context, &publ, sec);
+		let sec = key::SecretKey::from_slice(context, &secret)?;
+		let shared = ecdh::SharedSecret::new_raw(context, &publ, &sec);
 
-		let mut s = Secret::default();
-		s.copy_from_slice(&shared[0..32]);
-		Ok(s)
+		Secret::from_slice(&shared[0..32])
+			.map_err(|_| Error::Secp(SecpError::InvalidSecretKey))
 	}
 }
 

ethkey/src/brain.rs

@@ -15,7 +15,7 @@
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
 use keccak::Keccak256;
-use super::{KeyPair, Error, Generator};
+use super::{KeyPair, Error, Generator, Secret};
 
 /// Simple brainwallet.
 pub struct Brain(String);
@@ -34,13 +34,15 @@ impl Generator for Brain {
 		let mut i = 0;
 		loop {
 			secret = secret.keccak256();
-			
+
 			match i > 16384 {
 				false => i += 1,
 				true => {
-					let result = KeyPair::from_secret(secret.clone().into());
-					if result.as_ref().ok().map_or(false, |r| r.address()[0] == 0) {
-						return result;
+					if let Ok(secret) = Secret::from_slice(&secret) {
+						let result = KeyPair::from_secret(secret);
+						if result.as_ref().ok().map_or(false, |r| r.address()[0] == 0) {
+							return result;
+						}
 					}
 				},
 			}

ethkey/src/keypair.rs

@@ -60,11 +60,14 @@ impl KeyPair {
 		Ok(keypair)
 	}
 
+	pub fn from_secret_slice(slice: &[u8]) -> Result<KeyPair, Error> {
+		Self::from_secret(Secret::from_slice(slice)?)
+	}
+
 	pub fn from_keypair(sec: key::SecretKey, publ: key::PublicKey) -> Self {
 		let context = &SECP256K1;
 		let serialized = publ.serialize_vec(context, false);
-		let mut secret = Secret::default();
-		secret.copy_from_slice(&sec[0..32]);
+		let secret = Secret::from(sec);
 		let mut public = Public::default();
 		public.copy_from_slice(&serialized[1..65]);
 

ethkey/src/lib.rs

@@ -29,6 +29,7 @@ mod keccak;
 mod prefix;
 mod random;
 mod signature;
+mod secret;
 
 lazy_static! {
 	pub static ref SECP256K1: secp256k1::Secp256k1 = secp256k1::Secp256k1::new();
@@ -46,10 +47,10 @@ pub use self::keypair::{KeyPair, public_to_address};
 pub use self::prefix::Prefix;
 pub use self::random::Random;
 pub use self::signature::{sign, verify_public, verify_address, recover, Signature};
+pub use self::secret::Secret;
 
 use bigint::hash::{H160, H256, H512};
 
 pub type Address = H160;
-pub type Secret = H256;
 pub type Message = H256;
 pub type Public = H512;

ethkey/src/secret.rs

@@ -0,0 +1,69 @@
+// Copyright 2015, 2016 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::fmt;
+use std::ops::Deref;
+use std::str::FromStr;
+use secp256k1::key;
+use bigint::hash::H256;
+use {Error};
+
+#[derive(Clone, PartialEq, Eq)]
+pub struct Secret {
+	inner: H256,
+}
+
+impl fmt::Debug for Secret {
+	fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
+		write!(fmt, "Secret: 0x{:x}{:x}..{:x}{:x}", self.inner[0], self.inner[1], self.inner[30], self.inner[31])
+	}
+}
+
+impl Secret {
+	pub fn from_slice(key: &[u8]) -> Result<Self, Error> {
+		if key.len() != 32 {
+			return Err(Error::InvalidSecret);
+		}
+
+		let mut h = H256::default();
+		h.copy_from_slice(&key[0..32]);
+		Ok(Secret { inner: h })
+	}
+}
+
+impl FromStr for Secret {
+	type Err = Error;
+	fn from_str(s: &str) -> Result<Self, Self::Err> {
+		let hash = H256::from_str(s).map_err(|e| Error::Custom(format!("{:?}", e)))?;
+		Self::from_slice(&hash)
+	}
+}
+
+impl From<key::SecretKey> for Secret {
+	fn from(key: key::SecretKey) -> Self {
+		Self::from_slice(&key[0..32])
+			.expect("`key::SecretKey` is valid (no way to construct invalid one); qed")
+	}
+}
+
+impl Deref for Secret {
+	type Target = H256;
+
+	fn deref(&self) -> &Self::Target {
+		&self.inner
+	}
+}
+

ethkey/src/signature.rs

@@ -16,7 +16,7 @@
 
 use std::ops::{Deref, DerefMut};
 use std::cmp::PartialEq;
-use std::{mem, fmt};
+use std::fmt;
 use std::str::FromStr;
 use std::hash::{Hash, Hasher};
 use secp256k1::{Message as SecpMessage, RecoverableSignature, RecoveryId, Error as SecpError};
@@ -169,9 +169,8 @@ impl DerefMut for Signature {
 
 pub fn sign(secret: &Secret, message: &Message) -> Result<Signature, Error> {
 	let context = &SECP256K1;
-	// no way to create from raw byte array.
-	let sec: &SecretKey = unsafe { mem::transmute(secret) };
-	let s = context.sign_recoverable(&SecpMessage::from_slice(&message[..])?, sec)?;
+	let sec = SecretKey::from_slice(context, &secret)?;
+	let s = context.sign_recoverable(&SecpMessage::from_slice(&message[..])?, &sec)?;
 	let (rec_id, data) = s.serialize_compact(context);
 	let mut data_arr = [0; 65];
 

ethstore/src/account/safe_account.rs

@@ -122,16 +122,14 @@ impl Crypto {
 			return Err(Error::InvalidPassword);
 		}
 
-		let mut secret = Secret::default();
-
 		match self.cipher {
 			Cipher::Aes128Ctr(ref params) => {
 				let from = 32 - self.ciphertext.len();
-				crypto::aes::decrypt(&derived_left_bits, &params.iv, &self.ciphertext, &mut (&mut *secret)[from..])
+				let mut secret = [0; 32];
+				crypto::aes::decrypt(&derived_left_bits, &params.iv, &self.ciphertext, &mut secret[from..]);
+				Ok(Secret::from_slice(&secret)?)
 			},
 		}
-
-		Ok(secret)
 	}
 }
 

ethstore/src/ethstore.rs

@@ -271,7 +271,9 @@ impl SimpleSecretStore for EthMultiStore {
 			// Remove from cache
 			let mut cache = self.cache.write();
 			let is_empty = {
-				let mut accounts = cache.get_mut(address).expect("Entry exists, because it was returned by `get`; qed");
+				let mut accounts = cache.get_mut(address)
+					.ok_or(Error::InvalidAccount)?;
+
 				if let Some(position) = accounts.iter().position(|acc| acc == &account) {
 					accounts.remove(position);
 				}

ethstore/src/presale.rs

@@ -47,7 +47,7 @@ impl PresaleWallet {
 		let len = crypto::aes::decrypt_cbc(&derived_key, &self.iv, &self.ciphertext, &mut key).map_err(|_| Error::InvalidPassword)?;
 		let unpadded = &key[..len];
 
-		let secret = Secret::from(unpadded.keccak256());
+		let secret = Secret::from_slice(&unpadded.keccak256())?;
 		if let Ok(kp) = KeyPair::from_secret(secret) {
 			if kp.address() == self.address {
 				return Ok(kp)

ethstore/tests/api.rs

@@ -133,9 +133,9 @@ fn secret_store_load_pat_files() {
 #[test]
 fn test_decrypting_files_with_short_ciphertext() {
 	// 31e9d1e6d844bd3a536800ef8d8be6a9975db509, 30
-	let kp1 = KeyPair::from_secret("000081c29e8142bb6a81bef5a92bda7a8328a5c85bb2f9542e76f9b0f94fc018".into()).unwrap();
+	let kp1 = KeyPair::from_secret("000081c29e8142bb6a81bef5a92bda7a8328a5c85bb2f9542e76f9b0f94fc018".parse().unwrap()).unwrap();
 	// d1e64e5480bfaf733ba7d48712decb8227797a4e , 31
-	let kp2 = KeyPair::from_secret("00fa7b3db73dc7dfdf8c5fbdb796d741e4488628c41fc4febd9160a866ba0f35".into()).unwrap();
+	let kp2 = KeyPair::from_secret("00fa7b3db73dc7dfdf8c5fbdb796d741e4488628c41fc4febd9160a866ba0f35".parse().unwrap()).unwrap();
 	let dir = DiskDirectory::at(ciphertext_path());
 	let store = EthStore::open(Box::new(dir)).unwrap();
 	let accounts = store.accounts().unwrap();

evmbin/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
-name = "evm"
+name = "evmbin"
 description = "Parity's EVM implementation"
-version = "0.1.0"
+version = "1.5.0"
 authors = ["Parity Technologies <admin@parity.io>"]
 
 [lib]

evmbin/src/ext.rs

@@ -31,7 +31,7 @@ pub struct FakeExt {
 impl Default for FakeExt {
 	fn default() -> Self {
 		FakeExt {
-			schedule: Schedule::new_homestead_gas_fix(),
+			schedule: Schedule::new_post_eip150(usize::max_value(), true, true, true),
 			store: HashMap::new(),
 			depth: 1,
 		}
@@ -51,8 +51,8 @@ impl Ext for FakeExt {
 		unimplemented!();
 	}
 
-	fn exists_and_not_null(&self, address: &Address) -> bool {
-		unimplemented!(); 
+	fn exists_and_not_null(&self, _address: &Address) -> bool {
+		unimplemented!();
 	}
 
 	fn origin_balance(&self) -> U256 {

evmbin/src/main.rs

@@ -21,7 +21,6 @@
 extern crate ethcore;
 extern crate rustc_serialize;
 extern crate docopt;
-#[macro_use]
 extern crate ethcore_util as util;
 
 mod ext;

ipc-common-types/src/types/version_info.rs

@@ -17,8 +17,9 @@
 //! Types used in the public API
 
 use std::fmt;
+use std::str::FromStr;
 use semver::{Version};
-use util::{H160};
+use util::{H160, FixedHash};
 use util::misc::raw_package_info;
 use release_track::ReleaseTrack;
 
@@ -47,7 +48,7 @@ impl VersionInfo {
 		VersionInfo {
 			track: raw.0.into(),
 			version: { let mut v = Version::parse(raw.1).expect("Environment variables are known to be valid; qed"); v.build = vec![]; v.pre = vec![]; v },
-			hash: raw.2.into(),
+			hash: H160::from_str(raw.2).unwrap_or_else(|_| H160::zero()),
 		}
 	}
 

js/package.json

@@ -163,6 +163,7 @@
     "phoneformat.js": "1.0.3",
     "promise-worker": "1.1.1",
     "push.js": "0.0.11",
+    "qrcode-npm": "0.0.3",
     "qs": "6.3.0",
     "react": "15.4.1",
     "react-ace": "4.1.0",
@@ -170,6 +171,8 @@
     "react-copy-to-clipboard": "4.2.3",
     "react-dom": "15.4.1",
     "react-dropzone": "3.7.3",
+    "react-element-to-jsx-string": "6.0.0",
+    "react-event-listener": "0.4.1",
     "react-intl": "2.1.5",
     "react-portal": "3.0.0",
     "react-redux": "4.4.6",
@@ -185,10 +188,12 @@
     "scryptsy": "2.0.0",
     "solc": "ngotchac/solc-js",
     "store": "1.3.20",
+    "useragent.js": "0.5.6",
     "utf8": "2.1.2",
     "valid-url": "1.0.9",
     "validator": "6.2.0",
     "web3": "0.17.0-beta",
-    "whatwg-fetch": "2.0.1"
+    "whatwg-fetch": "2.0.1",
+    "zxcvbn": "4.4.1"
   }
 }

js/src/3rdparty/email-verification/index.js

@@ -16,6 +16,19 @@
 
 import { stringify } from 'querystring';
 
+export const isServerRunning = (isTestnet = false) => {
+  const port = isTestnet ? 28443 : 18443;
+  return fetch(`https://email-verification.parity.io:${port}/health`, {
+    mode: 'cors', cache: 'no-store'
+  })
+    .then((res) => {
+      return res.ok;
+    })
+    .catch(() => {
+      return false;
+    });
+};
+
 export const postToServer = (query, isTestnet = false) => {
   const port = isTestnet ? 28443 : 18443;
   query = stringify(query);

js/src/3rdparty/sms-verification/index.js

@@ -16,6 +16,19 @@
 
 import { stringify } from 'querystring';
 
+export const isServerRunning = (isTestnet = false) => {
+  const port = isTestnet ? 8443 : 443;
+  return fetch(`https://sms-verification.parity.io:${port}/health`, {
+    mode: 'cors', cache: 'no-store'
+  })
+    .then((res) => {
+      return res.ok;
+    })
+    .catch(() => {
+      return false;
+    });
+};
+
 export const postToServer = (query, isTestnet = false) => {
   const port = isTestnet ? 8443 : 443;
   query = stringify(query);

js/src/abi/spec/event/event.js

@@ -23,12 +23,12 @@ import { eventSignature } from '../../util/signature';
 
 export default class Event {
   constructor (abi) {
-    this._name = abi.name;
     this._inputs = EventParam.toEventParams(abi.inputs || []);
     this._anonymous = !!abi.anonymous;
 
-    const { id, signature } = eventSignature(this._name, this.inputParamTypes());
+    const { id, name, signature } = eventSignature(abi.name, this.inputParamTypes());
     this._id = id;
+    this._name = name;
     this._signature = signature;
   }
 

js/src/abi/spec/function.js

@@ -22,14 +22,14 @@ import { methodSignature } from '../util/signature';
 export default class Func {
   constructor (abi) {
     this._abi = abi;
-    this._name = abi.name;
     this._constant = !!abi.constant;
     this._payable = abi.payable;
     this._inputs = Param.toParams(abi.inputs || []);
     this._outputs = Param.toParams(abi.outputs || []);
 
-    const { id, signature } = methodSignature(this._name, this.inputParamTypes());
+    const { id, name, signature } = methodSignature(abi.name, this.inputParamTypes());
     this._id = id;
+    this._name = name;
     this._signature = signature;
   }
 

js/src/abi/spec/function.spec.js

@@ -35,6 +35,18 @@ describe('abi/spec/Function', () => {
   });
 
   describe('constructor', () => {
+    it('returns signature correctly if name already contains it', () => {
+      const func = new Func({
+        name: 'test(bool,string)',
+        inputs: inputsArr,
+        outputs: outputsArr
+      });
+
+      expect(func.name).to.equal('test');
+      expect(func.id).to.equal('test(bool,string)');
+      expect(func.signature).to.equal('02356205');
+    });
+
     it('stores the parameters as received', () => {
       expect(func.name).to.equal('test');
       expect(func.constant).to.be.false;

js/src/abi/util/signature.js

@@ -17,15 +17,31 @@
 import { keccak_256 } from 'js-sha3'; // eslint-disable-line camelcase
 import { fromParamType } from '../spec/paramType/format';
 
-export function eventSignature (name, params) {
+export function eventSignature (eventName, params) {
+  const { strName, name } = parseName(eventName);
   const types = (params || []).map(fromParamType).join(',');
-  const id = `${name || ''}(${types})`;
+  const id = `${strName}(${types})`;
 
-  return { id, signature: keccak_256(id) };
+  return { id, name, signature: keccak_256(id) };
 }
 
-export function methodSignature (name, params) {
-  const { id, signature } = eventSignature(name, params);
+export function methodSignature (methodName, params) {
+  const { id, name, signature } = eventSignature(methodName, params);
 
-  return { id, signature: signature.substr(0, 8) };
+  return { id, name, signature: signature.substr(0, 8) };
+}
+
+function parseName (name) {
+  const strName = `${name || ''}`;
+  const idx = strName.indexOf('(');
+
+  if (idx === -1) {
+    return { strName, name };
+  }
+
+  const trimmedName = strName.slice(0, idx);
+  return {
+    strName: trimmedName,
+    name: trimmedName
+  };
 }

js/src/abi/util/signature.spec.js

@@ -19,50 +19,93 @@ import { eventSignature, methodSignature } from './signature';
 describe('abi/util/signature', () => {
   describe('eventSignature', () => {
     it('encodes signature baz() correctly', () => {
-      expect(eventSignature('baz', []))
-        .to.deep.equal({ id: 'baz()', signature: 'a7916fac4f538170f7cd12c148552e2cba9fcd72329a2dd5b07a6fa906488ddf' });
+      expect(eventSignature('baz', [])).to.deep.equal({
+        id: 'baz()',
+        name: 'baz',
+        signature: 'a7916fac4f538170f7cd12c148552e2cba9fcd72329a2dd5b07a6fa906488ddf'
+      });
     });
 
     it('encodes signature baz(uint32) correctly', () => {
-      expect(eventSignature('baz', [{ type: 'uint', length: 32 }]))
-        .to.deep.equal({ id: 'baz(uint32)', signature: '7d68785e8fc871be024b75964bd86d093511d4bc2dc7cf7bea32c48a0efaecb1' });
+      expect(eventSignature('baz', [{ type: 'uint', length: 32 }])).to.deep.equal({
+        id: 'baz(uint32)',
+        name: 'baz',
+        signature: '7d68785e8fc871be024b75964bd86d093511d4bc2dc7cf7bea32c48a0efaecb1'
+      });
     });
 
     it('encodes signature baz(uint32, bool) correctly', () => {
-      expect(eventSignature('baz', [{ type: 'uint', length: 32 }, { type: 'bool' }]))
-        .to.deep.equal({ id: 'baz(uint32,bool)', signature: 'cdcd77c0992ec5bbfc459984220f8c45084cc24d9b6efed1fae540db8de801d2' });
+      expect(eventSignature('baz', [{ type: 'uint', length: 32 }, { type: 'bool' }])).to.deep.equal({
+        id: 'baz(uint32,bool)',
+        name: 'baz',
+        signature: 'cdcd77c0992ec5bbfc459984220f8c45084cc24d9b6efed1fae540db8de801d2'
+      });
     });
 
     it('encodes no-name signature correctly as ()', () => {
-      expect(eventSignature(undefined, []))
-        .to.deep.equal({ id: '()', signature: '861731d50c3880a2ca1994d5ec287b94b2f4bd832a67d3e41c08177bdd5674fe' });
+      expect(eventSignature(undefined, [])).to.deep.equal({
+        id: '()',
+        name: undefined,
+        signature: '861731d50c3880a2ca1994d5ec287b94b2f4bd832a67d3e41c08177bdd5674fe'
+      });
     });
 
     it('encodes no-params signature correctly as ()', () => {
-      expect(eventSignature(undefined, undefined))
-        .to.deep.equal({ id: '()', signature: '861731d50c3880a2ca1994d5ec287b94b2f4bd832a67d3e41c08177bdd5674fe' });
+      expect(eventSignature(undefined, undefined)).to.deep.equal({
+        id: '()',
+        name: undefined,
+        signature: '861731d50c3880a2ca1994d5ec287b94b2f4bd832a67d3e41c08177bdd5674fe'
+      });
     });
   });
 
   describe('methodSignature', () => {
     it('encodes signature baz() correctly', () => {
-      expect(methodSignature('baz', [])).to.deep.equal({ id: 'baz()', signature: 'a7916fac' });
+      expect(methodSignature('baz', [])).to.deep.equal({
+        id: 'baz()',
+        name: 'baz',
+        signature: 'a7916fac'
+      });
     });
 
     it('encodes signature baz(uint32) correctly', () => {
-      expect(methodSignature('baz', [{ type: 'uint', length: 32 }])).to.deep.equal({ id: 'baz(uint32)', signature: '7d68785e' });
+      expect(methodSignature('baz', [{ type: 'uint', length: 32 }])).to.deep.equal({
+        id: 'baz(uint32)',
+        name: 'baz',
+        signature: '7d68785e'
+      });
     });
 
     it('encodes signature baz(uint32, bool) correctly', () => {
-      expect(methodSignature('baz', [{ type: 'uint', length: 32 }, { type: 'bool' }])).to.deep.equal({ id: 'baz(uint32,bool)', signature: 'cdcd77c0' });
+      expect(methodSignature('baz', [{ type: 'uint', length: 32 }, { type: 'bool' }])).to.deep.equal({
+        id: 'baz(uint32,bool)',
+        name: 'baz',
+        signature: 'cdcd77c0'
+      });
+    });
+
+    it('encodes signature in name correctly', () => {
+      expect(methodSignature('baz(uint32,bool)', [{ type: 'uint', length: 32 }, { type: 'bool' }])).to.deep.equal({
+        id: 'baz(uint32,bool)',
+        name: 'baz',
+        signature: 'cdcd77c0'
+      });
     });
 
     it('encodes no-name signature correctly as ()', () => {
-      expect(methodSignature(undefined, [])).to.deep.equal({ id: '()', signature: '861731d5' });
+      expect(methodSignature(undefined, [])).to.deep.equal({
+        id: '()',
+        name: undefined,
+        signature: '861731d5'
+      });
     });
 
     it('encodes no-params signature correctly as ()', () => {
-      expect(methodSignature(undefined, undefined)).to.deep.equal({ id: '()', signature: '861731d5' });
+      expect(methodSignature(undefined, undefined)).to.deep.equal({
+        id: '()',
+        name: undefined,
+        signature: '861731d5'
+      });
     });
   });
 });

js/src/api/api.js

@@ -14,6 +14,8 @@
 // You should have received a copy of the GNU General Public License
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
+import EventEmitter from 'eventemitter3';
+
 import { Http, Ws } from './transport';
 import Contract from './contract';
 
@@ -22,8 +24,10 @@ import Subscriptions from './subscriptions';
 import util from './util';
 import { isFunction } from './util/types';
 
-export default class Api {
+export default class Api extends EventEmitter {
   constructor (transport) {
+    super();
+
     if (!transport || !isFunction(transport.execute)) {
       throw new Error('EthApi needs transport with execute() function defined');
     }

js/src/api/contract/contract.js

@@ -248,18 +248,32 @@ export default class Contract {
         .call(callParams)
         .then((encoded) => func.decodeOutput(encoded))
         .then((tokens) => tokens.map((token) => token.value))
-        .then((returns) => returns.length === 1 ? returns[0] : returns);
+        .then((returns) => returns.length === 1 ? returns[0] : returns)
+        .catch((error) => {
+          console.warn(`${func.name}.call`, values, error);
+          throw error;
+        });
     };
 
     if (!func.constant) {
       func.postTransaction = (options, values = []) => {
         const _options = this._encodeOptions(func, this._addOptionsTo(options), values);
-        return this._api.parity.postTransaction(_options);
+        return this._api.parity
+          .postTransaction(_options)
+          .catch((error) => {
+            console.warn(`${func.name}.postTransaction`, values, error);
+            throw error;
+          });
       };
 
       func.estimateGas = (options, values = []) => {
         const _options = this._encodeOptions(func, this._addOptionsTo(options), values);
-        return this._api.eth.estimateGas(_options);
+        return this._api.eth
+          .estimateGas(_options)
+          .catch((error) => {
+            console.warn(`${func.name}.estimateGas`, values, error);
+            throw error;
+          });
       };
     }
 
@@ -385,6 +399,10 @@ export default class Contract {
             this._subscribeToChanges();
             return subscriptionId;
           });
+      })
+      .catch((error) => {
+        console.warn('subscribe', event, _options, error);
+        throw error;
       });
   }
 

js/src/api/format/input.js

@@ -127,6 +127,18 @@ export function inNumber16 (number) {
   return inHex(bn.toString(16));
 }
 
+export function inOptionsCondition (condition) {
+  if (condition) {
+    if (condition.block) {
+      condition.block = condition.block ? inNumber10(condition.block) : null;
+    } else if (condition.time) {
+      condition.time = inNumber10(Math.floor(condition.time.getTime() / 1000));
+    }
+  }
+
+  return condition;
+}
+
 export function inOptions (options) {
   if (options) {
     Object.keys(options).forEach((key) => {
@@ -136,6 +148,10 @@ export function inOptions (options) {
           options[key] = inAddress(options[key]);
           break;
 
+        case 'condition':
+          options[key] = inOptionsCondition(options[key]);
+          break;
+
         case 'gas':
         case 'gasPrice':
           options[key] = inNumber16((new BigNumber(options[key])).round());

js/src/api/format/output.js

@@ -129,12 +129,31 @@ export function outNumber (number) {
   return new BigNumber(number || 0);
 }
 
+export function outPeer (peer) {
+  const protocols = Object.keys(peer.protocols)
+    .reduce((obj, key) => {
+      if (peer.protocols[key]) {
+        obj[key] = {
+          ...peer.protocols[key],
+          difficulty: outNumber(peer.protocols[key].difficulty)
+        };
+      }
+
+      return obj;
+    }, {});
+
+  return {
+    ...peer,
+    protocols
+  };
+}
+
 export function outPeers (peers) {
   return {
     active: outNumber(peers.active),
     connected: outNumber(peers.connected),
     max: outNumber(peers.max),
-    peers: peers.peers.map(p => { Object.keys(p.protocols).forEach(k => { p.protocols[k].difficulty = outNumber(p.protocols[k].difficulty); }); return p; })
+    peers: peers.peers.map((peer) => outPeer(peer))
   };
 }
 
@@ -200,6 +219,18 @@ export function outSyncing (syncing) {
   return syncing;
 }
 
+export function outTransactionCondition (condition) {
+  if (condition) {
+    if (condition.block) {
+      condition.block = outNumber(condition.block);
+    } else if (condition.time) {
+      condition.time = outDate(condition.time);
+    }
+  }
+
+  return condition;
+}
+
 export function outTransaction (tx) {
   if (tx) {
     Object.keys(tx).forEach((key) => {
@@ -213,8 +244,14 @@ export function outTransaction (tx) {
           tx[key] = outNumber(tx[key]);
           break;
 
+        case 'condition':
+          tx[key] = outTransactionCondition(tx[key]);
+          break;
+
         case 'minBlock':
-          tx[key] = tx[key] ? outNumber(tx[key]) : null;
+          tx[key] = tx[key]
+            ? outNumber(tx[key])
+            : null;
           break;
 
         case 'creates':

js/src/api/format/output.spec.js

@@ -16,7 +16,7 @@
 
 import BigNumber from 'bignumber.js';
 
-import { outBlock, outAccountInfo, outAddress, outChainStatus, outDate, outHistogram, outNumber, outPeers, outReceipt, outSyncing, outTransaction, outTrace } from './output';
+import { outBlock, outAccountInfo, outAddress, outChainStatus, outDate, outHistogram, outNumber, outPeer, outPeers, outReceipt, outSyncing, outTransaction, outTrace } from './output';
 import { isAddress, isBigNumber, isInstanceOf } from '../../../test/types';
 
 describe('api/format/output', () => {
@@ -165,6 +165,66 @@ describe('api/format/output', () => {
     });
   });
 
+  describe('outPeer', () => {
+    it('converts all internal numbers to BigNumbers', () => {
+      expect(outPeer({
+        caps: ['par/1'],
+        id: '0x01',
+        name: 'Parity',
+        network: {
+          localAddress: '10.0.0.1',
+          remoteAddress: '10.0.0.1'
+        },
+        protocols: {
+          par: {
+            difficulty: '0x0f',
+            head: '0x02',
+            version: 63
+          }
+        }
+      })).to.deep.equal({
+        caps: ['par/1'],
+        id: '0x01',
+        name: 'Parity',
+        network: {
+          localAddress: '10.0.0.1',
+          remoteAddress: '10.0.0.1'
+        },
+        protocols: {
+          par: {
+            difficulty: new BigNumber(15),
+            head: '0x02',
+            version: 63
+          }
+        }
+      });
+    });
+
+    it('does not output null protocols', () => {
+      expect(outPeer({
+        caps: ['par/1'],
+        id: '0x01',
+        name: 'Parity',
+        network: {
+          localAddress: '10.0.0.1',
+          remoteAddress: '10.0.0.1'
+        },
+        protocols: {
+          les: null
+        }
+      })).to.deep.equal({
+        caps: ['par/1'],
+        id: '0x01',
+        name: 'Parity',
+        network: {
+          localAddress: '10.0.0.1',
+          remoteAddress: '10.0.0.1'
+        },
+        protocols: {}
+      });
+    });
+  });
+
   describe('outPeers', () => {
     it('converts all internal numbers to BigNumbers', () => {
       expect(outPeers({
@@ -185,7 +245,8 @@ describe('api/format/output', () => {
                 difficulty: '0x0f',
                 head: '0x02',
                 version: 63
-              }
+              },
+              les: null
             }
           }
         ]

js/src/api/rpc/parity/parity.js

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
+// Copyright 2015-2017 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify
@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU General Public License
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
-import { inAddress, inAddresses, inData, inHex, inNumber16, inOptions } from '../../format/input';
+import { inAddress, inAddresses, inData, inHex, inNumber16, inOptions, inBlockNumber } from '../../format/input';
 import { outAccountInfo, outAddress, outAddresses, outChainStatus, outHistogram, outNumber, outPeers, outTransaction } from '../../format/output';
 
 export default class Parity {
@@ -76,6 +76,17 @@ export default class Parity {
       .execute('parity_dappsInterface');
   }
 
+  decryptMessage (address, data) {
+    return this._transport
+      .execute('parity_decryptMessage', inAddress(address), inHex(data));
+  }
+
+  defaultAccount () {
+    return this._transport
+      .execute('parity_defaultAccount')
+      .then(outAddress);
+  }
+
   defaultExtraData () {
     return this._transport
       .execute('parity_defaultExtraData');
@@ -101,6 +112,11 @@ export default class Parity {
       .execute('parity_enode');
   }
 
+  encryptMessage (pubkey, data) {
+    return this._transport
+      .execute('parity_encryptMessage', inHex(pubkey), inHex(data));
+  }
+
   executeUpgrade () {
     return this._transport
       .execute('parity_executeUpgrade');
@@ -111,6 +127,17 @@ export default class Parity {
       .execute('parity_extraData');
   }
 
+  futureTransactions () {
+    return this._transport
+      .execute('parity_futureTransactions');
+  }
+
+  gasCeilTarget () {
+    return this._transport
+      .execute('parity_gasCeilTarget')
+      .then(outNumber);
+  }
+
   gasFloorTarget () {
     return this._transport
       .execute('parity_gasFloorTarget')
@@ -156,11 +183,22 @@ export default class Parity {
       .execute('parity_killAccount', inAddress(account), password);
   }
 
+  listAccounts (count, offset = null, blockNumber = 'latest') {
+    return this._transport
+      .execute('parity_listAccounts', count, inAddress(offset), inBlockNumber(blockNumber))
+      .then((accounts) => (accounts || []).map(outAddress));
+  }
+
   listRecentDapps () {
     return this._transport
       .execute('parity_listRecentDapps');
   }
 
+  listStorageKeys (address, count, hash = null, blockNumber = 'latest') {
+    return this._transport
+      .execute('parity_listStorageKeys', inAddress(address), count, inHex(hash), inBlockNumber(blockNumber));
+  }
+
   removeAddress (address) {
     return this._transport
       .execute('parity_removeAddress', inAddress(address));
@@ -265,6 +303,11 @@ export default class Parity {
       .then(outAddress);
   }
 
+  postSign (from, message) {
+    return this._transport
+      .execute('parity_postSign', inAddress(from), inHex(message));
+  }
+
   postTransaction (options) {
     return this._transport
       .execute('parity_postTransaction', inOptions(options));
@@ -311,16 +354,31 @@ export default class Parity {
       .execute('parity_setDappsAddresses', dappId, inAddresses(addresses));
   }
 
+  setEngineSigner (address, password) {
+    return this._transport
+      .execute('parity_setEngineSigner', inAddress(address), password);
+  }
+
   setExtraData (data) {
     return this._transport
       .execute('parity_setExtraData', inData(data));
   }
 
+  setGasCeilTarget (quantity) {
+    return this._transport
+      .execute('parity_setGasCeilTarget', inNumber16(quantity));
+  }
+
   setGasFloorTarget (quantity) {
     return this._transport
       .execute('parity_setGasFloorTarget', inNumber16(quantity));
   }
 
+  setMaxTransactionGas (quantity) {
+    return this._transport
+      .execute('parity_setMaxTransactionGas', inNumber16(quantity));
+  }
+
   setMinGasPrice (quantity) {
     return this._transport
       .execute('parity_setMinGasPrice', inNumber16(quantity));

js/src/api/rpc/personal/personal.js

@@ -34,9 +34,9 @@ export default class Personal {
       .then(outAddress);
   }
 
-  signAndSendTransaction (options, password) {
+  sendTransaction (options, password) {
     return this._transport
-      .execute('personal_signAndSendTransaction', inOptions(options), password);
+      .execute('personal_sendTransaction', inOptions(options), password);
   }
 
   unlockAccount (account, password, duration = 1) {

js/src/api/subscriptions/eth.js

@@ -23,6 +23,7 @@ export default class Eth {
     this._started = false;
 
     this._lastBlock = new BigNumber(-1);
+    this._pollTimerId = null;
   }
 
   get isStarted () {
@@ -37,7 +38,7 @@ export default class Eth {
 
   _blockNumber = () => {
     const nextTimeout = (timeout = 1000) => {
-      setTimeout(() => {
+      this._pollTimerId = setTimeout(() => {
         this._blockNumber();
       }, timeout);
     };
@@ -57,6 +58,6 @@ export default class Eth {
 
         nextTimeout();
       })
-      .catch(nextTimeout);
+      .catch(() => nextTimeout());
   }
 }

js/src/api/subscriptions/manager.js

@@ -25,6 +25,7 @@ const events = {
   'logging': { module: 'logging' },
   'eth_blockNumber': { module: 'eth' },
   'parity_allAccountsInfo': { module: 'personal' },
+  'parity_defaultAccount': { module: 'personal' },
   'eth_accounts': { module: 'personal' },
   'signer_requestsToConfirm': { module: 'signer' }
 };

js/src/api/subscriptions/personal.js

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
+// Copyright 2015-2017 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify
@@ -20,6 +20,9 @@ export default class Personal {
     this._api = api;
     this._updateSubscriptions = updateSubscriptions;
     this._started = false;
+
+    this._lastDefaultAccount = '0x0';
+    this._pollTimerId = null;
   }
 
   get isStarted () {
@@ -30,12 +33,44 @@ export default class Personal {
     this._started = true;
 
     return Promise.all([
+      this._defaultAccount(),
       this._listAccounts(),
       this._accountsInfo(),
       this._loggingSubscribe()
     ]);
   }
 
+  // FIXME: Because of the different API instances, the "wait for valid changes" approach
+  // doesn't work. Since the defaultAccount is critical to operation, we poll in exactly
+  // same way we do in ../eth (ala same as eth_blockNumber) and update. This should be moved
+  // to pub-sub as it becomes available
+  _defaultAccount = (timerDisabled = false) => {
+    const nextTimeout = (timeout = 1000) => {
+      if (!timerDisabled) {
+        this._pollTimerId = setTimeout(() => {
+          this._defaultAccount();
+        }, timeout);
+      }
+    };
+
+    if (!this._api.transport.isConnected) {
+      nextTimeout(500);
+      return;
+    }
+
+    return this._api.parity
+      .defaultAccount()
+      .then((defaultAccount) => {
+        if (this._lastDefaultAccount !== defaultAccount) {
+          this._lastDefaultAccount = defaultAccount;
+          this._updateSubscriptions('parity_defaultAccount', null, defaultAccount);
+        }
+
+        nextTimeout();
+      })
+      .catch(() => nextTimeout());
+  }
+
   _listAccounts = () => {
     return this._api.eth
       .accounts()
@@ -46,9 +81,19 @@ export default class Personal {
 
   _accountsInfo = () => {
     return this._api.parity
-      .allAccountsInfo()
+      .accountsInfo()
       .then((info) => {
-        this._updateSubscriptions('parity_allAccountsInfo', null, info);
+        this._updateSubscriptions('parity_accountsInfo', null, info);
+
+        return this._api.parity
+          .allAccountsInfo()
+          .catch(() => {
+            // NOTE: This fails on non-secure APIs, swallow error
+            return {};
+          })
+          .then((allInfo) => {
+            this._updateSubscriptions('parity_allAccountsInfo', null, allInfo);
+          });
       });
   }
 
@@ -73,6 +118,11 @@ export default class Personal {
         case 'parity_setAccountMeta':
           this._accountsInfo();
           return;
+
+        case 'parity_setDappsAddresses':
+        case 'parity_setNewDappsWhitelist':
+          this._defaultAccount(true);
+          return;
       }
     });
   }

js/src/api/subscriptions/personal.spec.js

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
+// Copyright 2015-2017 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify
@@ -18,31 +18,51 @@ import sinon from 'sinon';
 
 import Personal from './personal';
 
+const TEST_DEFAULT = '0xfa64203C044691aA57251aF95f4b48d85eC00Dd5';
 const TEST_INFO = {
-  '0xfa64203C044691aA57251aF95f4b48d85eC00Dd5': {
+  [TEST_DEFAULT]: {
     name: 'test'
   }
 };
-const TEST_LIST = ['0xfa64203C044691aA57251aF95f4b48d85eC00Dd5'];
+const TEST_LIST = [TEST_DEFAULT];
 
 function stubApi (accounts, info) {
   const _calls = {
+    accountsInfo: [],
     allAccountsInfo: [],
-    listAccounts: []
+    listAccounts: [],
+    defaultAccount: []
   };
 
   return {
     _calls,
+    transport: {
+      isConnected: true
+    },
     parity: {
+      accountsInfo: () => {
+        const stub = sinon.stub().resolves(info || TEST_INFO)();
+
+        _calls.accountsInfo.push(stub);
+        return stub;
+      },
       allAccountsInfo: () => {
         const stub = sinon.stub().resolves(info || TEST_INFO)();
+
         _calls.allAccountsInfo.push(stub);
         return stub;
+      },
+      defaultAccount: () => {
+        const stub = sinon.stub().resolves(Object.keys(info || TEST_INFO)[0])();
+
+        _calls.defaultAccount.push(stub);
+        return stub;
       }
     },
     eth: {
       accounts: () => {
         const stub = sinon.stub().resolves(accounts || TEST_LIST)();
+
         _calls.listAccounts.push(stub);
         return stub;
       }
@@ -85,6 +105,10 @@ describe('api/subscriptions/personal', () => {
         expect(personal.isStarted).to.be.true;
       });
 
+      it('calls parity_accountsInfo', () => {
+        expect(api._calls.accountsInfo.length).to.be.ok;
+      });
+
       it('calls parity_allAccountsInfo', () => {
         expect(api._calls.allAccountsInfo.length).to.be.ok;
       });
@@ -94,8 +118,10 @@ describe('api/subscriptions/personal', () => {
       });
 
       it('updates subscribers', () => {
-        expect(cb.firstCall).to.have.been.calledWith('eth_accounts', null, TEST_LIST);
-        expect(cb.secondCall).to.have.been.calledWith('parity_allAccountsInfo', null, TEST_INFO);
+        expect(cb).to.have.been.calledWith('parity_defaultAccount', null, TEST_DEFAULT);
+        expect(cb).to.have.been.calledWith('eth_accounts', null, TEST_LIST);
+        expect(cb).to.have.been.calledWith('parity_accountsInfo', null, TEST_INFO);
+        expect(cb).to.have.been.calledWith('parity_allAccountsInfo', null, TEST_INFO);
       });
     });
 
@@ -110,7 +136,15 @@ describe('api/subscriptions/personal', () => {
         expect(personal.isStarted).to.be.true;
       });
 
+      it('calls parity_defaultAccount', () => {
+        expect(api._calls.defaultAccount.length).to.be.ok;
+      });
+
       it('calls personal_accountsInfo', () => {
+        expect(api._calls.accountsInfo.length).to.be.ok;
+      });
+
+      it('calls personal_allAccountsInfo', () => {
         expect(api._calls.allAccountsInfo.length).to.be.ok;
       });
 

js/src/api/transport/error.js

@@ -25,6 +25,7 @@ export const ERROR_CODES = {
   UNKNOWN_ERROR: -32009,
   TRANSACTION_ERROR: -32010,
   EXECUTION_ERROR: -32015,
+  EXCEPTION_ERROR: -32016,
   ACCOUNT_LOCKED: -32020,
   PASSWORD_INVALID: -32021,
   ACCOUNT_ERROR: -32023,

js/src/api/transport/http/http.js

@@ -51,14 +51,14 @@ export default class Http extends JsonRpcBase {
 
     return fetch(this._url, request)
       .catch((error) => {
-        this._connected = false;
+        this._setDisconnected();
         throw error;
       })
       .then((response) => {
-        this._connected = true;
+        this._setConnected();
 
         if (response.status !== 200) {
-          this._connected = false;
+          this._setDisconnected();
           this.error(JSON.stringify({ status: response.status, statusText: response.statusText }));
           console.error(`${method}(${JSON.stringify(params)}): ${response.status}: ${response.statusText}`);
 

js/src/api/transport/http/http.spec.js

@@ -37,6 +37,26 @@ describe('api/transport/Http', () => {
     });
   });
 
+  describe('transport emitter', () => {
+    it('emits close event', (done) => {
+      transport.once('close', () => {
+        done();
+      });
+
+      transport.execute('eth_call');
+    });
+
+    it('emits open event', (done) => {
+      mockHttp([{ method: 'eth_call', reply: { result: '' } }]);
+
+      transport.once('open', () => {
+        done();
+      });
+
+      transport.execute('eth_call');
+    });
+  });
+
   describe('transport', () => {
     const RESULT = ['this is some result'];
 

js/src/api/transport/jsonRpcBase.js

@@ -14,8 +14,12 @@
 // You should have received a copy of the GNU General Public License
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
-export default class JsonRpcBase {
+import EventEmitter from 'eventemitter3';
+
+export default class JsonRpcBase extends EventEmitter {
   constructor () {
+    super();
+
     this._id = 1;
     this._debug = false;
     this._connected = false;
@@ -32,6 +36,20 @@ export default class JsonRpcBase {
     return json;
   }
 
+  _setConnected () {
+    if (!this._connected) {
+      this._connected = true;
+      this.emit('open');
+    }
+  }
+
+  _setDisconnected () {
+    if (this._connected) {
+      this._connected = false;
+      this.emit('close');
+    }
+  }
+
   get id () {
     return this._id;
   }

js/src/api/transport/ws/ws.js

@@ -22,7 +22,7 @@ import TransportError from '../error';
 
 /* global WebSocket */
 export default class Ws extends JsonRpcBase {
-  constructor (url, token, connect = true) {
+  constructor (url, token, autoconnect = true) {
     super();
 
     this._url = url;
@@ -32,14 +32,14 @@ export default class Ws extends JsonRpcBase {
     this._connecting = false;
     this._connected = false;
     this._lastError = null;
-    this._autoConnect = false;
+    this._autoConnect = autoconnect;
     this._retries = 0;
     this._reconnectTimeoutId = null;
 
     this._connectPromise = null;
     this._connectPromiseFunctions = {};
 
-    if (connect) {
+    if (autoconnect) {
       this.connect();
     }
   }
@@ -124,11 +124,8 @@ export default class Ws extends JsonRpcBase {
   }
 
   _onOpen = (event) => {
-    console.log('ws:onOpen');
-
-    this._connected = true;
+    this._setConnected();
     this._connecting = false;
-    this._autoConnect = true;
     this._retries = 0;
 
     Object.keys(this._messages)
@@ -142,7 +139,7 @@ export default class Ws extends JsonRpcBase {
   }
 
   _onClose = (event) => {
-    this._connected = false;
+    this._setDisconnected();
     this._connecting = false;
 
     event.timestamp = Date.now();
@@ -209,8 +206,8 @@ export default class Ws extends JsonRpcBase {
       if (result.error) {
         this.error(event.data);
 
-        // Don't print error if request rejected...
-        if (!/rejected/.test(result.error.message)) {
+        // Don't print error if request rejected or not is not yet up...
+        if (!/(rejected|not yet up)/.test(result.error.message)) {
           console.error(`${method}(${JSON.stringify(params)}): ${result.error.code}: ${result.error.message}`);
         }
 

js/src/api/transport/ws/ws.spec.js

@@ -21,6 +21,37 @@ describe('api/transport/Ws', () => {
   let transport;
   let scope;
 
+  describe('transport emitter', () => {
+    const connect = () => {
+      const scope = mockWs();
+      const transport = new Ws(TEST_WS_URL);
+
+      return { transport, scope };
+    };
+
+    it('emits open event', (done) => {
+      const { transport, scope } = connect();
+
+      transport.once('open', () => {
+        done();
+      });
+
+      scope.stop();
+    });
+
+    it('emits close event', (done) => {
+      const { transport, scope } = connect();
+
+      transport.once('open', () => {
+        scope.server.close();
+      });
+
+      transport.once('close', () => {
+        done();
+      });
+    });
+  });
+
   describe('transport', () => {
     let result;
 

js/src/api/util/sha3.js

@@ -17,9 +17,12 @@
 import { keccak_256 } from 'js-sha3'; // eslint-disable-line
 
 import { hexToBytes } from './format';
+import { isHex } from './types';
 
 export function sha3 (value, options) {
-  if (options && options.encoding === 'hex') {
+  const forceHex = options && options.encoding === 'hex';
+
+  if (forceHex || (!options && isHex(value))) {
     const bytes = hexToBytes(value);
     return sha3(bytes);
   }
@@ -28,3 +31,5 @@ export function sha3 (value, options) {
 
   return `0x${hash}`;
 }
+
+sha3.text = (val) => sha3(val, { encoding: 'raw' });

js/src/api/util/sha3.spec.js

@@ -32,5 +32,14 @@ describe('api/util/sha3', () => {
       expect(sha3('01020304', { encoding: 'hex' })).to.equal('0xa6885b3731702da62e8e4a8f584ac46a7f6822f4e2ba50fba902f67b1588d23b');
       expect(sha3(Uint8Array.from([1, 2, 3, 4]))).to.equal('0xa6885b3731702da62e8e4a8f584ac46a7f6822f4e2ba50fba902f67b1588d23b');
     });
+
+    it('should interpret as bytes by default', () => {
+      expect(sha3('0x01020304')).to.equal('0xa6885b3731702da62e8e4a8f584ac46a7f6822f4e2ba50fba902f67b1588d23b');
+    });
+
+    it('should force text if option is passed', () => {
+      expect(sha3('0x01020304', { encoding: 'raw' })).to.equal('0x16bff43de576d28857dcba65a56fc17c5e93c09bd6a709268eff8e62025ae869');
+      expect(sha3.text('0x01020304')).to.equal('0x16bff43de576d28857dcba65a56fc17c5e93c09bd6a709268eff8e62025ae869');
+    });
   });
 });

js/src/api/util/types.js

@@ -29,6 +29,10 @@ export function isFunction (test) {
 }
 
 export function isHex (_test) {
+  if (!isString(_test)) {
+    return false;
+  }
+
   if (_test.substr(0, 2) === '0x') {
     return isHex(_test.slice(2));
   }

js/src/api/util/types.spec.js

@@ -66,6 +66,12 @@ describe('api/util/types', () => {
     it('correctly identifies non-hex values', () => {
       expect(isHex('123j')).to.be.false;
     });
+
+    it('correctly indentifies non-string values', () => {
+      expect(isHex(false)).to.be.false;
+      expect(isHex()).to.be.false;
+      expect(isHex([1, 2, 3])).to.be.false;
+    });
   });
 
   describe('isInstanceOf', () => {

js/src/config.js

@@ -17,12 +17,20 @@
 import LogLevel from 'loglevel';
 
 export const LOG_KEYS = {
+  Balances: {
+    key: 'balances',
+    desc: 'Balances fetching'
+  },
   TransferModalStore: {
-    path: 'modals/Transfer/store',
-    desc: 'Transfer Modal MobX Store'
+    key: 'modalsTransferStore',
+    desc: 'Transfer modal MobX store'
+  },
+  Signer: {
+    key: 'secureApi',
+    desc: 'The Signer and the Secure API'
   }
 };
 
 export const getLogger = (LOG_KEY) => {
-  return LogLevel.getLogger(LOG_KEY.path);
+  return LogLevel.getLogger(LOG_KEY.key);
 };

js/src/contracts/badgereg.js

@@ -73,6 +73,26 @@ export default class BadgeReg {
       });
   }
 
+  fetchCertifierByName (name) {
+    return this
+      .getContract()
+      .then((badgeReg) => {
+        return badgeReg.instance.fromName.call({}, [ name ]);
+      })
+      .then(([ id, address, owner ]) => {
+        if (address === ZERO20) {
+          throw new Error(`Certifier ${name} does not exist.`);
+        }
+
+        return this.fetchMeta(id)
+          .then(({ title, icon }) => {
+            const data = { address, id, name, title, icon };
+            this.certifiers[id] = data;
+            return data;
+          });
+      });
+  }
+
   fetchMeta (id) {
     return this
       .getContract()

js/src/contracts/registry.js

@@ -91,7 +91,7 @@ export default class Registry {
 
   lookupAddress (_name) {
     const name = _name.toLowerCase();
-    const sha3 = this._api.util.sha3(name);
+    const sha3 = this._api.util.sha3.text(name);
 
     return this.getInstance().then((instance) => {
       return instance.getAddress.call({}, [sha3, 'A']);

js/src/dapps/basiccoin/Application/application.js

@@ -45,7 +45,7 @@ export default class Application extends Component {
   }
 
   componentDidMount () {
-    this.attachInstance();
+    return this.attachInstance();
   }
 
   render () {
@@ -80,12 +80,12 @@ export default class Application extends Component {
   }
 
   attachInstance () {
-    Promise
+    return Promise
       .all([
-        attachInstances(),
-        api.parity.accountsInfo()
+        api.parity.accountsInfo(),
+        attachInstances()
       ])
-      .then(([{ managerInstance, registryInstance, tokenregInstance }, accountsInfo]) => {
+      .then(([accountsInfo, { managerInstance, registryInstance, tokenregInstance }]) => {
         accountsInfo = accountsInfo || {};
         this.setState({
           loading: false,

js/src/dapps/basiccoin/Deploy/Deployment/deployment.js

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
+// Copyright 2015-2017 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify
@@ -17,7 +17,6 @@
 import React, { Component, PropTypes } from 'react';
 
 import { api } from '../../parity';
-import AddressSelect from '../../AddressSelect';
 import Container from '../../Container';
 import styles from './deployment.css';
 
@@ -122,41 +121,20 @@ export default class Deployment extends Component {
   }
 
   renderForm () {
-    const { accounts } = this.context;
     const { baseText, name, nameError, tla, tlaError, totalSupply, totalSupplyError } = this.state;
     const hasError = !!(nameError || tlaError || totalSupplyError);
     const error = `${styles.input} ${styles.error}`;
-    const addresses = Object.keys(accounts);
-
-    // <div className={ styles.input }>
-    //   <label>global registration</label>
-    //   <select onChange={ this.onChangeRegistrar }>
-    //     <option value='no'>No, only for me</option>
-    //     <option value='yes'>Yes, for everybody</option>
-    //   </select>
-    //   <div className={ styles.hint }>
-    //     register on network (fee: { globalFeeText }ETH)
-    //   </div>
-    // </div>
 
     return (
       <Container>
         <div className={ styles.form }>
-          <div className={ styles.input }>
-            <label>deployment account</label>
-            <AddressSelect
-              addresses={ addresses }
-              onChange={ this.onChangeFrom } />
-            <div className={ styles.hint }>
-              the owner account to deploy from
-            </div>
-          </div>
           <div className={ nameError ? error : styles.input }>
             <label>token name</label>
             <input
               value={ name }
               name='name'
-              onChange={ this.onChangeName } />
+              onChange={ this.onChangeName }
+            />
             <div className={ styles.hint }>
               { nameError || 'an identifying name for the token' }
             </div>
@@ -167,7 +145,8 @@ export default class Deployment extends Component {
               className={ styles.small }
               name='tla'
               value={ tla }
-              onChange={ this.onChangeTla } />
+              onChange={ this.onChangeTla }
+            />
             <div className={ styles.hint }>
               { tlaError || 'unique network acronym for this token' }
             </div>
@@ -180,7 +159,8 @@ export default class Deployment extends Component {
               max='999999999999'
               name='totalSupply'
               value={ totalSupply }
-              onChange={ this.onChangeSupply } />
+              onChange={ this.onChangeSupply }
+            />
             <div className={ styles.hint }>
               { totalSupplyError || `number of tokens (base: ${baseText})` }
             </div>
@@ -191,7 +171,8 @@ export default class Deployment extends Component {
               <div
                 className={ styles.button }
                 disabled={ hasError }
-                onClick={ this.onDeploy }>
+                onClick={ this.onDeploy }
+              >
                 Deploy Token
               </div>
             </div>
@@ -201,12 +182,6 @@ export default class Deployment extends Component {
     );
   }
 
-  onChangeFrom = (event) => {
-    const fromAddress = event.target.value;
-
-    this.setState({ fromAddress });
-  }
-
   onChangeName = (event) => {
     const name = event.target.value;
     const nameError = name && (name.length > 2) && (name.length < 32)
@@ -266,7 +241,7 @@ export default class Deployment extends Component {
 
   onDeploy = () => {
     const { managerInstance, registryInstance, tokenregInstance } = this.context;
-    const { base, deployBusy, fromAddress, globalReg, globalFee, name, nameError, tla, tlaError, totalSupply, totalSupplyError } = this.state;
+    const { base, deployBusy, globalReg, globalFee, name, nameError, tla, tlaError, totalSupply, totalSupplyError } = this.state;
     const hasError = !!(nameError || tlaError || totalSupplyError);
 
     if (hasError || deployBusy) {
@@ -276,18 +251,23 @@ export default class Deployment extends Component {
     const tokenreg = (globalReg ? tokenregInstance : registryInstance).address;
     const values = [base.mul(totalSupply), tla, name, tokenreg];
     const options = {
-      from: fromAddress,
       value: globalReg ? globalFee : 0
     };
 
     this.setState({ deployBusy: true, deployState: 'Estimating gas for the transaction' });
 
-    managerInstance
-      .deploy.estimateGas(options, values)
+    return api.parity
+      .defaultAccount()
+      .then((defaultAddress) => {
+        options.from = defaultAddress;
+
+        return managerInstance.deploy.estimateGas(options, values);
+      })
       .then((gas) => {
         this.setState({ deployState: 'Gas estimated, Posting transaction to the network' });
 
         const gasPassed = gas.mul(1.2);
+
         options.gas = gasPassed.toFixed(0);
         console.log(`gas estimated at ${gas.toFormat(0)}, passing ${gasPassed.toFormat(0)}`);
 

js/src/dapps/basiccoin/services.js

@@ -25,6 +25,8 @@ let registryInstance;
 
 const registries = {};
 const subscriptions = {};
+
+let defaultSubscriptionId;
 let nextSubscriptionId = 1000;
 let isTest = false;
 
@@ -65,6 +67,20 @@ export function unsubscribeEvents (subscriptionId) {
   delete subscriptions[subscriptionId];
 }
 
+export function subscribeDefaultAddress (callback) {
+  return api
+    .subscribe('parity_defaultAccount', callback)
+    .then((subscriptionId) => {
+      defaultSubscriptionId = subscriptionId;
+
+      return defaultSubscriptionId;
+    });
+}
+
+export function unsubscribeDefaultAddress () {
+  return api.unsubscribe(defaultSubscriptionId);
+}
+
 function pollEvents () {
   const loop = Object.values(subscriptions);
   const timeout = () => setTimeout(pollEvents, 1000);

js/src/dapps/githubhint/Application/application.js

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
+// Copyright 2015-2017 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify
@@ -17,10 +17,9 @@
 import React, { Component } from 'react';
 
 import { api } from '../parity';
-import { attachInterface } from '../services';
+import { attachInterface, subscribeDefaultAddress, unsubscribeDefaultAddress } from '../services';
 import Button from '../Button';
 import Events from '../Events';
-import IdentityIcon from '../IdentityIcon';
 import Loading from '../Loading';
 
 import styles from './application.css';
@@ -32,7 +31,7 @@ let nextEventId = 0;
 
 export default class Application extends Component {
   state = {
-    fromAddress: null,
+    defaultAddress: null,
     loading: true,
     url: '',
     urlError: null,
@@ -47,19 +46,32 @@ export default class Application extends Component {
     registerType: 'file',
     repo: '',
     repoError: null,
+    subscriptionId: null,
     events: {},
     eventIds: []
   }
 
   componentDidMount () {
-    attachInterface()
-      .then((state) => {
-        this.setState(state, () => {
-          this.setState({ loading: false });
-        });
+    return Promise
+      .all([
+        attachInterface(),
+        subscribeDefaultAddress((error, defaultAddress) => {
+          if (!error) {
+            this.setState({ defaultAddress });
+          }
+        })
+      ])
+      .then(([state]) => {
+        this.setState(Object.assign({}, state, {
+          loading: false
+        }));
       });
   }
 
+  componentWillUnmount () {
+    return unsubscribeDefaultAddress();
+  }
+
   render () {
     const { loading } = this.state;
 
@@ -75,16 +87,20 @@ export default class Application extends Component {
   }
 
   renderPage () {
-    const { fromAddress, registerBusy, url, urlError, contentHash, contentHashError, contentHashOwner, commit, commitError, registerType, repo, repoError } = this.state;
+    const { defaultAddress, registerBusy, url, urlError, contentHash, contentHashError, contentHashOwner, commit, commitError, registerType, repo, repoError } = this.state;
 
     let hashClass = null;
+
     if (contentHashError) {
-      hashClass = contentHashOwner !== fromAddress ? styles.hashError : styles.hashWarning;
+      hashClass = contentHashOwner !== defaultAddress
+        ? styles.hashError
+        : styles.hashWarning;
     } else if (contentHash) {
       hashClass = styles.hashOk;
     }
 
     let valueInputs = null;
+
     if (registerType === 'content') {
       valueInputs = [
         <div className={ styles.capture } key='repo'>
@@ -94,7 +110,8 @@ export default class Application extends Component {
             disabled={ registerBusy }
             value={ repo }
             className={ repoError ? styles.error : null }
-            onChange={ this.onChangeRepo } />
+            onChange={ this.onChangeRepo }
+          />
         </div>,
         <div className={ styles.capture } key='hash'>
           <input
@@ -103,7 +120,8 @@ export default class Application extends Component {
             disabled={ registerBusy }
             value={ commit }
             className={ commitError ? styles.error : null }
-            onChange={ this.onChangeCommit } />
+            onChange={ this.onChangeCommit }
+          />
         </div>
       ];
     } else {
@@ -115,7 +133,8 @@ export default class Application extends Component {
             disabled={ registerBusy }
             value={ url }
             className={ urlError ? styles.error : null }
-            onChange={ this.onChangeUrl } />
+            onChange={ this.onChangeUrl }
+          />
         </div>
       );
     }
@@ -128,11 +147,17 @@ export default class Application extends Component {
               <Button
                 disabled={ registerBusy }
                 invert={ registerType !== 'file' }
-                onClick={ this.onClickTypeNormal }>File Link</Button>
+                onClick={ this.onClickTypeNormal }
+              >
+                File Link
+              </Button>
               <Button
                 disabled={ registerBusy }
                 invert={ registerType !== 'content' }
-                onClick={ this.onClickTypeContent }>Content Bundle</Button>
+                onClick={ this.onClickTypeContent }
+              >
+                Content Bundle
+              </Button>
             </div>
             <div className={ styles.box }>
               <div className={ styles.description }>
@@ -148,26 +173,21 @@ export default class Application extends Component {
         </div>
         <Events
           eventIds={ this.state.eventIds }
-          events={ this.state.events } />
+          events={ this.state.events }
+        />
       </div>
     );
   }
 
   renderButtons () {
-    const { accounts, fromAddress, urlError, repoError, commitError, contentHashError, contentHashOwner } = this.state;
-    const account = accounts[fromAddress];
+    const { defaultAddress, urlError, repoError, commitError, contentHashError, contentHashOwner } = this.state;
 
     return (
       <div className={ styles.buttons }>
-        <div className={ styles.addressSelect }>
-          <Button invert onClick={ this.onSelectFromAddress }>
-            <IdentityIcon address={ account.address } />
-            <div>{ account.name || account.address }</div>
-          </Button>
-        </div>
         <Button
           onClick={ this.onClickRegister }
-          disabled={ (contentHashError && contentHashOwner !== fromAddress) || urlError || repoError || commitError }>register url</Button>
+          disabled={ (contentHashError && contentHashOwner !== defaultAddress) || urlError || repoError || commitError }
+        >register url</Button>
       </div>
     );
   }
@@ -264,6 +284,7 @@ export default class Application extends Component {
     // TODO: field validation
     if (!urlError) {
       const parts = url.split('/');
+
       hasContent = parts.length !== 0;
 
       if (parts[2] === 'github.com' || parts[2] === 'raw.githubusercontent.com') {
@@ -280,11 +301,11 @@ export default class Application extends Component {
   }
 
   onClickRegister = () => {
-    const { commit, commitError, contentHashError, contentHashOwner, fromAddress, url, urlError, registerType, repo, repoError } = this.state;
+    const { defaultAddress, commit, commitError, contentHashError, contentHashOwner, url, urlError, registerType, repo, repoError } = this.state;
 
     // TODO: No errors are currently set, validation to be expanded and added for each
     // field (query is fast to pick up the issues, so not burning atm)
-    if ((contentHashError && contentHashOwner !== fromAddress) || repoError || urlError || commitError) {
+    if ((contentHashError && contentHashOwner !== defaultAddress) || repoError || urlError || commitError) {
       return;
     }
 
@@ -354,12 +375,15 @@ export default class Application extends Component {
   }
 
   registerContent (contentRepo, contentCommit) {
-    const { contentHash, fromAddress, instance } = this.state;
-    contentCommit = contentCommit.substr(0, 2) === '0x' ? contentCommit : `0x${contentCommit}`;
+    const { defaultAddress, contentHash, instance } = this.state;
+
+    contentCommit = contentCommit.substr(0, 2) === '0x'
+      ? contentCommit
+      : `0x${contentCommit}`;
 
     const eventId = nextEventId++;
     const values = [contentHash, contentRepo, contentCommit];
-    const options = { from: fromAddress };
+    const options = { from: defaultAddress };
 
     this.setState({
       eventIds: [eventId].concat(this.state.eventIds),
@@ -368,7 +392,7 @@ export default class Application extends Component {
           contentHash,
           contentRepo,
           contentCommit,
-          fromAddress,
+          defaultAddress,
           registerBusy: true,
           registerState: 'Estimating gas for the transaction',
           timestamp: new Date()
@@ -396,6 +420,7 @@ export default class Application extends Component {
           });
 
           const gasPassed = gas.mul(1.2);
+
           options.gas = gasPassed.toFixed(0);
           console.log(`gas estimated at ${gas.toFormat(0)}, passing ${gasPassed.toFormat(0)}`);
 
@@ -405,11 +430,11 @@ export default class Application extends Component {
   }
 
   registerUrl (contentUrl) {
-    const { contentHash, fromAddress, instance } = this.state;
+    const { contentHash, defaultAddress, instance } = this.state;
 
     const eventId = nextEventId++;
     const values = [contentHash, contentUrl];
-    const options = { from: fromAddress };
+    const options = { from: defaultAddress };
 
     this.setState({
       eventIds: [eventId].concat(this.state.eventIds),
@@ -417,7 +442,7 @@ export default class Application extends Component {
         [eventId]: {
           contentHash,
           contentUrl,
-          fromAddress,
+          defaultAddress,
           registerBusy: true,
           registerState: 'Estimating gas for the transaction',
           timestamp: new Date()
@@ -445,6 +470,7 @@ export default class Application extends Component {
           });
 
           const gasPassed = gas.mul(1.2);
+
           options.gas = gasPassed.toFixed(0);
           console.log(`gas estimated at ${gas.toFormat(0)}, passing ${gasPassed.toFormat(0)}`);
 
@@ -453,25 +479,6 @@ export default class Application extends Component {
     );
   }
 
-  onSelectFromAddress = () => {
-    const { accounts, fromAddress } = this.state;
-    const addresses = Object.keys(accounts);
-    let index = 0;
-
-    addresses.forEach((address, _index) => {
-      if (address === fromAddress) {
-        index = _index;
-      }
-    });
-
-    index++;
-    if (index >= addresses.length) {
-      index = 0;
-    }
-
-    this.setState({ fromAddress: addresses[index] });
-  }
-
   lookupHash (url) {
     const { instance } = this.state;
 

js/src/dapps/githubhint/services.js

@@ -17,48 +17,44 @@
 import * as abis from '~/contracts/abi';
 import { api } from './parity';
 
+let defaultSubscriptionId;
+
 export function attachInterface () {
   return api.parity
     .registryAddress()
     .then((registryAddress) => {
       console.log(`the registry was found at ${registryAddress}`);
 
-      const registry = api.newContract(abis.registry, registryAddress).instance;
-
-      return Promise
-        .all([
-          registry.getAddress.call({}, [api.util.sha3('githubhint'), 'A']),
-          api.parity.accountsInfo()
-        ]);
+      return api
+        .newContract(abis.registry, registryAddress).instance
+        .getAddress.call({}, [api.util.sha3('githubhint'), 'A']);
     })
-    .then(([address, accountsInfo]) => {
+    .then((address) => {
       console.log(`githubhint was found at ${address}`);
 
       const contract = api.newContract(abis.githubhint, address);
-      const accounts = Object
-        .keys(accountsInfo)
-        .reduce((obj, address) => {
-          const account = accountsInfo[address];
-
-          return Object.assign(obj, {
-            [address]: {
-              address,
-              name: account.name
-            }
-          });
-        }, {});
-      const fromAddress = Object.keys(accounts)[0];
 
       return {
-        accounts,
         address,
-        accountsInfo,
         contract,
-        instance: contract.instance,
-        fromAddress
+        instance: contract.instance
       };
     })
     .catch((error) => {
       console.error('attachInterface', error);
     });
 }
+
+export function subscribeDefaultAddress (callback) {
+  return api
+    .subscribe('parity_defaultAccount', callback)
+    .then((subscriptionId) => {
+      defaultSubscriptionId = subscriptionId;
+
+      return defaultSubscriptionId;
+    });
+}
+
+export function unsubscribeDefaultAddress () {
+  return api.unsubscribe(defaultSubscriptionId);
+}