merge master into jr-use-badge-reg

.gitlab-ci.yml

@@ -422,13 +422,10 @@ test-rust-stable:
   image: ethcore/rust:stable
   before_script:
     - git submodule update --init --recursive
-    - export JS_FILES_MODIFIED=$(git --no-pager diff --name-only $CI_BUILD_REF^ $CI_BUILD_REF | grep \.js | wc -l)
+    - export RUST_FILES_MODIFIED=$(git --no-pager diff --name-only $CI_BUILD_REF^ $CI_BUILD_REF | grep -v -e ^js -e ^\\. -e ^LICENSE -e ^README.md -e ^appveyor.yml -e ^test.sh -e ^windows/ -e ^scripts/ -e^mac/ -e ^nsis/ | wc -l)
-    - echo $JS_FILES_MODIFIED
-    - if [ "$JS_FILES_MODIFIED" = 0  ]; then echo "skip js test"; else ./js/scripts/install-deps.sh;fi
   script:
     - export RUST_BACKTRACE=1
-    - echo $JS_FILES_MODIFIED
+    - if [ $RUST_FILES_MODIFIED -eq 0 ]; then echo "Skipping Rust tests since no Rust files modified."; else ./test.sh $CARGOFLAGS; fi
-    - if [ "$JS_FILES_MODIFIED" = 0 ]; then echo "skip js test"&./test.sh $CARGOFLAGS; else echo "skip rust test"&./js/scripts/lint.sh&./js/scripts/test.sh&./js/scripts/build.sh; fi
   tags:
     - rust
     - rust-stable
@@ -437,13 +434,10 @@ js-test:
   image: ethcore/rust:stable
   before_script:
     - git submodule update --init --recursive
-    - export JS_FILES_MODIFIED=$(git --no-pager diff --name-only $CI_BUILD_REF^ $CI_BUILD_REF | grep \.js | wc -l)
+    - export JS_FILES_MODIFIED=$(git --no-pager diff --name-only $CI_BUILD_REF^ $CI_BUILD_REF | grep ^js/ | wc -l)
-    - echo $JS_FILES_MODIFIED
+    - if [ $JS_FILES_MODIFIED -eq 0 ]; then echo "Skipping JS deps install since no JS files modified."; else ./js/scripts/install-deps.sh;fi
-    - if [ "$JS_FILES_MODIFIED" = 0 ]; then echo "skip js test"; else ./js/scripts/install-deps.sh;fi
   script:
-    - export RUST_BACKTRACE=1
+    - if [ $JS_FILES_MODIFIED -eq 0 ]; then echo "Skipping JS lint since no JS files modified."; else ./js/scripts/lint.sh && ./js/scripts/test.sh && ./js/scripts/build.sh; fi
-    - echo $JS_FILES_MODIFIED
-    - if [ "$JS_FILES_MODIFIED" = 0 ]; then echo "skip js test"; else echo "skip rust test"&./js/scripts/lint.sh&./js/scripts/test.sh&./js/scripts/build.sh; fi
   tags:
     - rust
     - rust-stable
@@ -484,11 +478,11 @@ js-release:
     - stable
   image: ethcore/rust:stable
   before_script:
-    - export JS_FILES_MODIFIED=$(git --no-pager diff --name-only $CI_BUILD_REF^ $CI_BUILD_REF | grep \.js | wc -l)
+    - export JS_FILES_MODIFIED=$(git --no-pager diff --name-only $CI_BUILD_REF^ $CI_BUILD_REF | grep ^js/ | wc -l)
     - echo $JS_FILES_MODIFIED
-    - if [ "$JS_FILES_MODIFIED" = 0  ]; then echo "skip js build"; else ./js/scripts/install-deps.sh;fi
+    - if [ $JS_FILES_MODIFIED -eq 0  ]; then echo "Skipping JS deps install since no JS files modified."; else ./js/scripts/install-deps.sh;fi
   script:
     - echo $JS_FILES_MODIFIED
-    - if [ "$JS_FILES_MODIFIED" = 0 ]; then echo "skip js build"; else ./js/scripts/build.sh&&./js/scripts/release.sh; fi
+    - if [ $JS_FILES_MODIFIED -eq 0 ]; then echo "Skipping JS rebuild since no JS files modified."; else ./js/scripts/build.sh && ./js/scripts/release.sh; fi
   tags:
     - javascript

Cargo.lock

@@ -18,6 +18,7 @@ dependencies = [
  "ethcore-ipc-hypervisor 1.2.0",
  "ethcore-ipc-nano 1.5.0",
  "ethcore-ipc-tests 0.1.0",
+ "ethcore-light 1.5.0",
  "ethcore-logger 1.5.0",
  "ethcore-rpc 1.5.0",
  "ethcore-signer 1.5.0",
@@ -456,6 +457,21 @@ dependencies = [
  "semver 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "ethcore-light"
+version = "1.5.0"
+dependencies = [
+ "ethcore 1.5.0",
+ "ethcore-io 1.5.0",
+ "ethcore-ipc 1.5.0",
+ "ethcore-ipc-codegen 1.5.0",
+ "ethcore-network 1.5.0",
+ "ethcore-util 1.5.0",
+ "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rlp 0.1.0",
+ "time 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "ethcore-logger"
 version = "1.5.0"
@@ -660,12 +676,15 @@ dependencies = [
  "clippy 0.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethcore 1.5.0",
+ "ethcore-devtools 1.5.0",
  "ethcore-io 1.5.0",
  "ethcore-ipc 1.5.0",
  "ethcore-ipc-codegen 1.5.0",
  "ethcore-ipc-nano 1.5.0",
+ "ethcore-light 1.5.0",
  "ethcore-network 1.5.0",
  "ethcore-util 1.5.0",
+ "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)",
  "parking_lot 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1271,7 +1290,7 @@ dependencies = [
 [[package]]
 name = "parity-ui-precompiled"
 version = "1.4.0"
-source = "git+https://github.com/ethcore/js-precompiled.git#8e8e515f958d2d4a5abec07253a51a052f2b744d"
+source = "git+https://github.com/ethcore/js-precompiled.git#eb9d978ed5ad1c514b37e89c716f80b3c8d613b5"
 dependencies = [
  "parity-dapps-glue 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

Cargo.toml

@@ -3,7 +3,7 @@ description = "Ethcore client."
 name = "parity"
 version = "1.5.0"
 license = "GPL-3.0"
-authors = ["Ethcore <admin@ethcore.io>"]
+authors = ["Parity Technologies <admin@parity.io>"]
 build = "build.rs"
 
 [build-dependencies]
@@ -47,6 +47,7 @@ rlp = { path = "util/rlp" }
 ethcore-stratum = { path = "stratum" }
 ethcore-dapps = { path = "dapps", optional = true }
 clippy = { version = "0.0.103", optional = true}
+ethcore-light = { path = "ethcore/light" }
 
 [target.'cfg(windows)'.dependencies]
 winapi = "0.2"

build.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/Cargo.toml

@@ -3,7 +3,7 @@ description = "Parity Dapps crate"
 name = "ethcore-dapps"
 version = "1.5.0"
 license = "GPL-3.0"
-authors = ["Ethcore <admin@ethcore.io"]
+authors = ["Parity Technologies <admin@parity.io>"]
 build = "build.rs"
 
 [lib]

dapps/build.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/js-glue/Cargo.toml

@@ -3,7 +3,7 @@ description = "Base Package for all Parity built-in dapps"
 name = "parity-dapps-glue"
 version = "1.5.0"
 license = "GPL-3.0"
-authors = ["Ethcore <admin@ethcore.io"]
+authors = ["Parity Technologies <admin@parity.io>"]
 build = "build.rs"
 
 [build-dependencies]

dapps/js-glue/build.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/js-glue/src/codegen.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/js-glue/src/js.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/js-glue/src/lib.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

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

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/api/api.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/api/mod.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/api/response.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/api/types.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/api/types.rs.in

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/apps/cache.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/apps/fetcher.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/apps/fs.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/apps/manifest.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/apps/mod.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/endpoint.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/handlers/auth.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/handlers/content.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/handlers/echo.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/handlers/fetch.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/handlers/mod.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/handlers/redirect.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/lib.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/page/builtin.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/page/handler.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/page/local.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/page/mod.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/proxypac.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/router/auth.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/router/host_validation.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/router/mod.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/rpc.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/tests/api.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/tests/authorization.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/tests/fetch.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/tests/helpers.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/tests/mod.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/tests/redirection.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/tests/validation.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/src/url.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

dapps/ui/Cargo.toml

@@ -1,10 +1,10 @@
 [package]
 description = "Ethcore Parity UI"
-homepage = "http://ethcore.io"
+homepage = "http://parity.io"
 license = "GPL-3.0"
 name = "parity-ui"
 version = "1.5.0"
-authors = ["Ethcore <admin@ethcore.io>"]
+authors = ["Parity Technologies <admin@parity.io>"]
 
 [build-dependencies]
 rustc_version = "0.1"

dapps/ui/src/lib.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

db/Cargo.toml

@@ -1,10 +1,10 @@
 [package]
 description = "Ethcore Database"
-homepage = "http://ethcore.io"
+homepage = "http://parity.io"
 license = "GPL-3.0"
 name = "ethcore-db"
 version = "1.5.0"
-authors = ["Ethcore <admin@ethcore.io>"]
+authors = ["Parity Technologies <admin@parity.io>"]
 build = "build.rs"
 
 [build-dependencies]

db/build.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

db/src/database.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

db/src/lib.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

db/src/lib.rs.in

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

db/src/traits.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

devtools/Cargo.toml

@@ -1,10 +1,10 @@
 [package]
 description = "Ethcore development/test/build tools"
-homepage = "http://ethcore.io"
+homepage = "http://parity.io"
 license = "GPL-3.0"
 name = "ethcore-devtools"
 version = "1.5.0"
-authors = ["Ethcore <admin@ethcore.io>"]
+authors = ["Parity Technologies <admin@parity.io>"]
 
 [dependencies]
 rand = "0.3"

devtools/src/http_client.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

devtools/src/lib.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

devtools/src/random_path.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

devtools/src/stop_guard.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

devtools/src/test_socket.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

ethash/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "ethash"
 version = "1.5.0"
-authors = ["arkpar <arkadiy@ethcore.io"]
+authors = ["Parity Technologies <admin@parity.io>"]
 
 [lib]
 

ethash/src/compute.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

ethash/src/lib.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

ethcore/Cargo.toml

@@ -1,10 +1,10 @@
 [package]
 description = "Ethcore library"
-homepage = "http://ethcore.io"
+homepage = "http://parity.io"
 license = "GPL-3.0"
 name = "ethcore"
 version = "1.5.0"
-authors = ["Ethcore <admin@ethcore.io>"]
+authors = ["Parity Technologies <admin@parity.io>"]
 build = "build.rs"
 
 [build-dependencies]

ethcore/build.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

ethcore/hash-fetch/Cargo.toml

@@ -1,10 +1,10 @@
 [package]
 description = "Fetching hash-addressed content."
-homepage = "https://ethcore.io"
+homepage = "http://parity.io"
 license = "GPL-3.0"
 name = "ethcore-hash-fetch"
 version = "1.5.0"
-authors = ["Ethcore <admin@ethcore.io>"]
+authors = ["Parity Technologies <admin@parity.io>"]
 
 [dependencies]
 log = "0.3"

ethcore/hash-fetch/src/client.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

ethcore/hash-fetch/src/lib.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

ethcore/hash-fetch/src/urlhint.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

ethcore/light/Cargo.toml

@@ -1,21 +1,25 @@
 [package]
 description = "Parity LES primitives"
-homepage = "https://ethcore.io"
+homepage = "http://parity.io"
 license = "GPL-3.0"
 name = "ethcore-light"
 version = "1.5.0"
-authors = ["Ethcore <admin@ethcore.io>"]
+authors = ["Parity Technologies <admin@parity.io>"]
 build = "build.rs"
 
 [build-dependencies]
-"ethcore-ipc-codegen" = { path = "../../ipc/codegen" }
+"ethcore-ipc-codegen" = { path = "../../ipc/codegen", optional = true }
 
 [dependencies]
 log = "0.3"
-ethcore = { path = ".." }
+ethcore = { path = ".."}
 ethcore-util = { path = "../../util" }
 ethcore-network = { path = "../../util/network" }
 ethcore-io = { path = "../../util/io" }
-ethcore-ipc = { path = "../../ipc/rpc" }
+ethcore-ipc = { path = "../../ipc/rpc", optional = true }
 rlp = { path = "../../util/rlp" }
 time = "0.1"
+
+[features]
+default = []
+ipc = ["ethcore-ipc", "ethcore-ipc-codegen"]

ethcore/light/build.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify
@@ -14,8 +14,14 @@
 // You should have received a copy of the GNU General Public License
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
+#[cfg(feature = "ipc")]
 extern crate ethcore_ipc_codegen;
 
+#[cfg(feature = "ipc")]
 fn main() {
 	ethcore_ipc_codegen::derive_binary("src/types/mod.rs.in").unwrap();
+	ethcore_ipc_codegen::derive_ipc_cond("src/provider.rs", true).unwrap();
 }
+
+#[cfg(not(feature = "ipc"))]
+fn main() { }

ethcore/light/src/client.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify
@@ -14,13 +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/>.
 
-//! Light client implementation. Used for raw data queries as well as the header
+//! Light client implementation. Stores data from light sync
-//! sync.
 
 use std::sync::Arc;
 
 use ethcore::engines::Engine;
-use ethcore::ids::BlockID;
+use ethcore::ids::BlockId;
 use ethcore::service::ClientIoMessage;
 use ethcore::block_import_error::BlockImportError;
 use ethcore::block_status::BlockStatus;
@@ -29,7 +28,7 @@ use ethcore::transaction::SignedTransaction;
 use ethcore::blockchain_info::BlockChainInfo;
 
 use io::IoChannel;
-use util::hash::H256;
+use util::hash::{H256, H256FastMap};
 use util::{Bytes, Mutex};
 
 use provider::Provider;
@@ -37,9 +36,10 @@ use request;
 
 /// Light client implementation.
 pub struct Client {
-	engine: Arc<Engine>,
+	_engine: Arc<Engine>,
 	header_queue: HeaderQueue,
-	message_channel: Mutex<IoChannel<ClientIoMessage>>,
+	_message_channel: Mutex<IoChannel<ClientIoMessage>>,
+	tx_pool: Mutex<H256FastMap<SignedTransaction>>,
 }
 
 impl Client {
@@ -51,17 +51,22 @@ impl Client {
 	}
 
 	/// Whether the block is already known (but not necessarily part of the canonical chain)
-	pub fn is_known(&self, _id: BlockID) -> bool {
+	pub fn is_known(&self, _id: BlockId) -> bool {
 		false
 	}
 
+	/// Import a local transaction.
+	pub fn import_own_transaction(&self, tx: SignedTransaction) {
+		self.tx_pool.lock().insert(tx.hash(), tx);
+	} 
+
 	/// Fetch a vector of all pending transactions.
 	pub fn pending_transactions(&self) -> Vec<SignedTransaction> {
-		vec![]
+		self.tx_pool.lock().values().cloned().collect()
 	}
 
-	/// Inquire about the status of a given block.
+	/// Inquire about the status of a given block (or header).
-	pub fn status(&self, _id: BlockID) -> BlockStatus {
+	pub fn status(&self, _id: BlockId) -> BlockStatus {
 		BlockStatus::Unknown
 	}
 

ethcore/light/src/lib.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify
@@ -28,13 +28,25 @@
 //! It starts by performing a header-only sync, verifying random samples
 //! of members of the chain to varying degrees.
 
-// TODO: remove when integrating with the rest of parity.
+#![deny(missing_docs)]
-#![allow(dead_code)]
 
 pub mod client;
 pub mod net;
+
+#[cfg(not(feature = "ipc"))]
 pub mod provider;
 
+#[cfg(feature = "ipc")]
+pub mod provider {
+    #![allow(dead_code, unused_assignments, unused_variables, missing_docs)] // codegen issues
+	include!(concat!(env!("OUT_DIR"), "/provider.rs"));
+}
+
+#[cfg(feature = "ipc")]
+pub mod remote {
+    pub use provider::LightProviderClient;
+}
+
 mod types;
 
 pub use self::provider::Provider;
@@ -47,6 +59,8 @@ extern crate ethcore;
 extern crate ethcore_util as util;
 extern crate ethcore_network as network;
 extern crate ethcore_io as io;
-extern crate ethcore_ipc as ipc;
 extern crate rlp;
 extern crate time;
+
+#[cfg(feature = "ipc")]
+extern crate ethcore_ipc as ipc;

ethcore/light/src/net/buffer_flow.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify
@@ -22,6 +22,9 @@
 //!
 //! This module provides an interface for configuration of buffer
 //! flow costs and recharge rates.
+//!
+//! Current default costs are picked completely arbitrarily, not based 
+//! on any empirical timings or mathematical models.
 
 use request;
 use super::packet;
@@ -273,6 +276,16 @@ impl FlowParams {
 	}
 }
 
+impl Default for FlowParams {
+	fn default() -> Self {
+		FlowParams {
+			limit: 50_000_000.into(),
+			costs: CostTable::default(),
+			recharge: 100_000.into(),
+		}
+	}
+}
+
 #[cfg(test)]
 mod tests {
 	use super::*;

ethcore/light/src/net/context.rs

@@ -0,0 +1,138 @@
+// 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/>.
+
+//! I/O and event context generalizations.
+
+use network::{NetworkContext, PeerId, NodeId};
+
+use super::{Announcement, LightProtocol, ReqId};
+use super::error::Error;
+use request::Request;
+
+/// An I/O context which allows sending and receiving packets as well as
+/// disconnecting peers. This is used as a generalization of the portions
+/// of a p2p network which the light protocol structure makes use of.
+pub trait IoContext {
+	/// Send a packet to a specific peer.
+	fn send(&self, peer: PeerId, packet_id: u8, packet_body: Vec<u8>);
+
+	/// Respond to a peer's message. Only works if this context is a byproduct
+	/// of a packet handler.
+	fn respond(&self, packet_id: u8, packet_body: Vec<u8>);
+
+	/// Disconnect a peer.
+	fn disconnect_peer(&self, peer: PeerId);
+
+	/// Disable a peer -- this is a disconnect + a time-out.
+	fn disable_peer(&self, peer: PeerId);
+
+	/// Get a peer's protocol version.
+	fn protocol_version(&self, peer: PeerId) -> Option<u8>;
+
+	/// Persistent peer id
+	fn persistent_peer_id(&self, peer: PeerId) -> Option<NodeId>;
+}
+
+
+impl<'a> IoContext for NetworkContext<'a> {
+	fn send(&self, peer: PeerId, packet_id: u8, packet_body: Vec<u8>) {
+		if let Err(e) = self.send(peer, packet_id, packet_body) {
+			debug!(target: "les", "Error sending packet to peer {}: {}", peer, e);
+		}
+	}
+
+	fn respond(&self, packet_id: u8, packet_body: Vec<u8>) {
+		if let Err(e) = self.respond(packet_id, packet_body) {
+			debug!(target: "les", "Error responding to peer message: {}", e);
+		}
+	}
+
+	fn disconnect_peer(&self, peer: PeerId) {
+		NetworkContext::disconnect_peer(self, peer);
+	}
+
+	fn disable_peer(&self, peer: PeerId) {
+		NetworkContext::disable_peer(self, peer);
+	}
+
+	fn protocol_version(&self, peer: PeerId) -> Option<u8> {
+		self.protocol_version(self.subprotocol_name(), peer)
+	}
+
+	fn persistent_peer_id(&self, peer: PeerId) -> Option<NodeId> {
+		self.session_info(peer).and_then(|info| info.id)
+	}
+}
+
+/// Context for a protocol event.
+pub trait EventContext {
+	/// Get the peer relevant to the event e.g. message sender,
+	/// disconnected/connected peer.
+	fn peer(&self) -> PeerId;
+
+	/// Returns the relevant's peer persistent Id (aka NodeId).
+	fn persistent_peer_id(&self, peer: PeerId) -> Option<NodeId>;
+
+	/// Make a request from a peer.
+	fn request_from(&self, peer: PeerId, request: Request) -> Result<ReqId, Error>;
+
+	/// Make an announcement of new capabilities to the rest of the peers.
+	// TODO: maybe just put this on a timer in LightProtocol?
+	fn make_announcement(&self, announcement: Announcement);
+
+	/// Disconnect a peer.
+	fn disconnect_peer(&self, peer: PeerId);
+
+	/// Disable a peer.
+	fn disable_peer(&self, peer: PeerId);
+}
+
+/// Concrete implementation of `EventContext` over the light protocol struct and
+/// an io context.
+pub struct Ctx<'a> {
+	/// Io context to enable immediate response to events.
+	pub io: &'a IoContext,
+	/// Protocol implementation.
+	pub proto: &'a LightProtocol,
+	/// Relevant peer for event.
+	pub peer: PeerId,
+}
+
+impl<'a> EventContext for Ctx<'a> {
+	fn peer(&self) -> PeerId {
+		self.peer
+	}
+
+	fn persistent_peer_id(&self, id: PeerId) -> Option<NodeId> {
+		self.io.persistent_peer_id(id)
+	}
+
+	fn request_from(&self, peer: PeerId, request: Request) -> Result<ReqId, Error> {
+		self.proto.request_from(self.io, &peer, request)
+	}
+
+	fn make_announcement(&self, announcement: Announcement) {
+		self.proto.make_announcement(self.io, announcement);
+	}
+
+	fn disconnect_peer(&self, peer: PeerId) {
+		self.io.disconnect_peer(peer);
+	}
+
+	fn disable_peer(&self, peer: PeerId) {
+		self.io.disable_peer(peer);
+	}
+}

ethcore/light/src/net/error.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify
@@ -54,6 +54,14 @@ pub enum Error {
 	WrongNetwork,
 	/// Unknown peer.
 	UnknownPeer,
+	/// Unsolicited response.
+	UnsolicitedResponse,
+	/// Not a server.
+	NotServer,
+	/// Unsupported protocol version.
+	UnsupportedProtocolVersion(u8),
+	/// Bad protocol version.
+	BadProtocolVersion,
 }
 
 impl Error {
@@ -67,6 +75,10 @@ impl Error {
 			Error::UnexpectedHandshake => Punishment::Disconnect,
 			Error::WrongNetwork => Punishment::Disable,
 			Error::UnknownPeer => Punishment::Disconnect,
+			Error::UnsolicitedResponse => Punishment::Disable,
+			Error::NotServer => Punishment::Disable,
+			Error::UnsupportedProtocolVersion(_) => Punishment::Disable,
+			Error::BadProtocolVersion => Punishment::Disable,
 		}
 	}
 }
@@ -92,7 +104,11 @@ impl fmt::Display for Error {
 			Error::UnrecognizedPacket(code) => write!(f, "Unrecognized packet: 0x{:x}", code),
 			Error::UnexpectedHandshake => write!(f, "Unexpected handshake"),
 			Error::WrongNetwork => write!(f, "Wrong network"),
-			Error::UnknownPeer => write!(f, "unknown peer"),
+			Error::UnknownPeer => write!(f, "Unknown peer"),
+			Error::UnsolicitedResponse => write!(f, "Peer provided unsolicited data"),
+			Error::NotServer => write!(f, "Peer not a server."),
+			Error::UnsupportedProtocolVersion(pv) => write!(f, "Unsupported protocol version: {}", pv),	
+			Error::BadProtocolVersion => write!(f, "Bad protocol version in handshake"),
 		}
 	}
 }

ethcore/light/src/net/status.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify
@@ -82,26 +82,6 @@ impl Key {
 	}
 }
 
-/// Network ID structure.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-#[repr(u32)]
-pub enum NetworkId {
-	/// ID for the mainnet
-	Mainnet = 1,
-	/// ID for the testnet
-	Testnet = 0,
-}
-
-impl NetworkId {
-	fn from_raw(raw: u32) -> Option<Self> {
-		match raw {
-			0 => Some(NetworkId::Testnet),
-			1 => Some(NetworkId::Mainnet),
-			_ => None,
-		}
-	}
-}
-
 // helper for decoding key-value pairs in the handshake or an announcement.
 struct Parser<'a> {
 	pos: usize,
@@ -118,6 +98,7 @@ impl<'a> Parser<'a> {
 	// expect a specific next key, and get the value's RLP.
 	// if the key isn't found, the position isn't advanced.
 	fn expect_raw(&mut self, key: Key) -> Result<UntrustedRlp<'a>, DecoderError> {
+		trace!(target: "les", "Expecting key {}", key.as_str());
 		let pre_pos = self.pos;
 		if let Some((k, val)) = try!(self.get_next()) {
 			if k == key { return Ok(val) }
@@ -164,7 +145,7 @@ pub struct Status {
 	/// Protocol version.
 	pub protocol_version: u32,
 	/// Network id of this peer.
-	pub network_id: NetworkId,
+	pub network_id: u64,
 	/// Total difficulty of the head of the chain.
 	pub head_td: U256,
 	/// Hash of the best block.
@@ -217,7 +198,7 @@ impl Capabilities {
 ///   - chain status
 ///   - serving capabilities
 ///   - buffer flow parameters
-pub fn parse_handshake(rlp: UntrustedRlp) -> Result<(Status, Capabilities, FlowParams), DecoderError> {
+pub fn parse_handshake(rlp: UntrustedRlp) -> Result<(Status, Capabilities, Option<FlowParams>), DecoderError> {
 	let mut parser = Parser {
 		pos: 0,
 		rlp: rlp,
@@ -225,8 +206,7 @@ pub fn parse_handshake(rlp: UntrustedRlp) -> Result<(Status, Capabilities, FlowP
 
 	let status = Status {
 		protocol_version: try!(parser.expect(Key::ProtocolVersion)),
-		network_id: try!(parser.expect(Key::NetworkId)
+		network_id: try!(parser.expect(Key::NetworkId)),
-			.and_then(|id: u32| NetworkId::from_raw(id).ok_or(DecoderError::Custom("Invalid network ID")))),
 		head_td: try!(parser.expect(Key::HeadTD)),
 		head_hash: try!(parser.expect(Key::HeadHash)),
 		head_num: try!(parser.expect(Key::HeadNum)),
@@ -241,20 +221,23 @@ pub fn parse_handshake(rlp: UntrustedRlp) -> Result<(Status, Capabilities, FlowP
 		tx_relay: parser.expect_raw(Key::TxRelay).is_ok(),
 	};
 
-	let flow_params = FlowParams::new(
+	let flow_params = match (
-		try!(parser.expect(Key::BufferLimit)),
+		parser.expect(Key::BufferLimit),
-		try!(parser.expect(Key::BufferCostTable)),
+		parser.expect(Key::BufferCostTable),
-		try!(parser.expect(Key::BufferRechargeRate)),
+		parser.expect(Key::BufferRechargeRate)
-	);
+	) {
+		(Ok(bl), Ok(bct), Ok(brr)) => Some(FlowParams::new(bl, bct, brr)),
+		_ => None,
+	};
 
 	Ok((status, capabilities, flow_params))
 }
 
 /// Write a handshake, given status, capabilities, and flow parameters.
-pub fn write_handshake(status: &Status, capabilities: &Capabilities, flow_params: &FlowParams) -> Vec<u8> {
+pub fn write_handshake(status: &Status, capabilities: &Capabilities, flow_params: Option<&FlowParams>) -> Vec<u8> {
 	let mut pairs = Vec::new();
 	pairs.push(encode_pair(Key::ProtocolVersion, &status.protocol_version));
-	pairs.push(encode_pair(Key::NetworkId, &(status.network_id as u32)));
+	pairs.push(encode_pair(Key::NetworkId, &(status.network_id as u64)));
 	pairs.push(encode_pair(Key::HeadTD, &status.head_td));
 	pairs.push(encode_pair(Key::HeadHash, &status.head_hash));
 	pairs.push(encode_pair(Key::HeadNum, &status.head_num));
@@ -273,9 +256,11 @@ pub fn write_handshake(status: &Status, capabilities: &Capabilities, flow_params
 		pairs.push(encode_flag(Key::TxRelay));
 	}
 
-	pairs.push(encode_pair(Key::BufferLimit, flow_params.limit()));
+	if let Some(flow_params) = flow_params {
-	pairs.push(encode_pair(Key::BufferCostTable, flow_params.cost_table()));
+		pairs.push(encode_pair(Key::BufferLimit, flow_params.limit()));
-	pairs.push(encode_pair(Key::BufferRechargeRate, flow_params.recharge_rate()));
+		pairs.push(encode_pair(Key::BufferCostTable, flow_params.cost_table()));
+		pairs.push(encode_pair(Key::BufferRechargeRate, flow_params.recharge_rate()));
+	}
 
 	let mut stream = RlpStream::new_list(pairs.len());
 
@@ -385,7 +370,7 @@ mod tests {
 	fn full_handshake() {
 		let status = Status {
 			protocol_version: 1,
-			network_id: NetworkId::Mainnet,
+			network_id: 1,
 			head_td: U256::default(),
 			head_hash: H256::default(),
 			head_num: 10,
@@ -406,21 +391,21 @@ mod tests {
 			1000.into(),
 		);
 
-		let handshake = write_handshake(&status, &capabilities, &flow_params);
+		let handshake = write_handshake(&status, &capabilities, Some(&flow_params));
 
 		let (read_status, read_capabilities, read_flow)
 			= parse_handshake(UntrustedRlp::new(&handshake)).unwrap();
 
 		assert_eq!(read_status, status);
 		assert_eq!(read_capabilities, capabilities);
-		assert_eq!(read_flow, flow_params);
+		assert_eq!(read_flow.unwrap(), flow_params);
 	}
 
 	#[test]
 	fn partial_handshake() {
 		let status = Status {
 			protocol_version: 1,
-			network_id: NetworkId::Mainnet,
+			network_id: 1,
 			head_td: U256::default(),
 			head_hash: H256::default(),
 			head_num: 10,
@@ -441,21 +426,21 @@ mod tests {
 			1000.into(),
 		);
 
-		let handshake = write_handshake(&status, &capabilities, &flow_params);
+		let handshake = write_handshake(&status, &capabilities, Some(&flow_params));
 
 		let (read_status, read_capabilities, read_flow)
 			= parse_handshake(UntrustedRlp::new(&handshake)).unwrap();
 
 		assert_eq!(read_status, status);
 		assert_eq!(read_capabilities, capabilities);
-		assert_eq!(read_flow, flow_params);
+		assert_eq!(read_flow.unwrap(), flow_params);
 	}
 
 	#[test]
 	fn skip_unknown_keys() {
 		let status = Status {
 			protocol_version: 1,
-			network_id: NetworkId::Mainnet,
+			network_id: 1,
 			head_td: U256::default(),
 			head_hash: H256::default(),
 			head_num: 10,
@@ -476,7 +461,7 @@ mod tests {
 			1000.into(),
 		);
 
-		let handshake = write_handshake(&status, &capabilities, &flow_params);
+		let handshake = write_handshake(&status, &capabilities, Some(&flow_params));
 		let interleaved = {
 			let handshake = UntrustedRlp::new(&handshake);
 			let mut stream = RlpStream::new_list(handshake.item_count() * 3);
@@ -498,7 +483,7 @@ mod tests {
 
 		assert_eq!(read_status, status);
 		assert_eq!(read_capabilities, capabilities);
-		assert_eq!(read_flow, flow_params);
+		assert_eq!(read_flow.unwrap(), flow_params);
 	}
 
 	#[test]
@@ -548,4 +533,33 @@ mod tests {
 		let out = stream.drain();
 		assert!(parse_announcement(UntrustedRlp::new(&out)).is_ok());
 	}
+
+	#[test]
+	fn optional_flow() {
+		let status = Status {
+			protocol_version: 1,
+			network_id: 1,
+			head_td: U256::default(),
+			head_hash: H256::default(),
+			head_num: 10,
+			genesis_hash: H256::zero(),
+			last_head: None,
+		};
+
+		let capabilities = Capabilities {
+			serve_headers: true,
+			serve_chain_since: Some(5),
+			serve_state_since: Some(8),
+			tx_relay: true,
+		};
+
+		let handshake = write_handshake(&status, &capabilities, None);
+
+		let (read_status, read_capabilities, read_flow)
+			= parse_handshake(UntrustedRlp::new(&handshake)).unwrap();
+
+		assert_eq!(read_status, status);
+		assert_eq!(read_capabilities, capabilities);
+		assert!(read_flow.is_none());
+	}
 }

ethcore/light/src/net/tests/mod.rs

@@ -0,0 +1,525 @@
+// 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/>.
+
+//! Tests for the `LightProtocol` implementation.
+//! These don't test of the higher level logic on top of
+
+use ethcore::blockchain_info::BlockChainInfo;
+use ethcore::client::{BlockChainClient, EachBlockWith, TestBlockChainClient};
+use ethcore::ids::BlockId;
+use ethcore::transaction::SignedTransaction;
+use network::{PeerId, NodeId};
+
+use net::buffer_flow::FlowParams;
+use net::context::IoContext;
+use net::status::{Capabilities, Status, write_handshake};
+use net::{encode_request, LightProtocol, Params, packet};
+use provider::Provider;
+use request::{self, Request, Headers};
+
+use rlp::*;
+use util::{Bytes, H256, U256};
+
+use std::sync::Arc;
+
+// expected result from a call.
+#[derive(Debug, PartialEq, Eq)]
+enum Expect {
+	/// Expect to have message sent to peer.
+	Send(PeerId, u8, Vec<u8>),
+	/// Expect this response.
+	Respond(u8, Vec<u8>),
+	/// Expect a punishment (disconnect/disable)
+	Punish(PeerId),
+	/// Expect nothing.
+	Nothing,
+}
+
+impl IoContext for Expect {
+	fn send(&self, peer: PeerId, packet_id: u8, packet_body: Vec<u8>) {
+		assert_eq!(self, &Expect::Send(peer, packet_id, packet_body));
+	}
+
+	fn respond(&self, packet_id: u8, packet_body: Vec<u8>) {
+		assert_eq!(self, &Expect::Respond(packet_id, packet_body));
+	}
+
+	fn disconnect_peer(&self, peer: PeerId) {
+		assert_eq!(self, &Expect::Punish(peer));
+	}
+
+	fn disable_peer(&self, peer: PeerId) {
+		assert_eq!(self, &Expect::Punish(peer));
+	}
+
+	fn protocol_version(&self, _peer: PeerId) -> Option<u8> {
+		Some(super::MAX_PROTOCOL_VERSION)
+	}
+
+	fn persistent_peer_id(&self, _peer: PeerId) -> Option<NodeId> {
+		None
+	}
+}
+
+// can't implement directly for Arc due to cross-crate orphan rules.
+struct TestProvider(Arc<TestProviderInner>);
+
+struct TestProviderInner {
+	client: TestBlockChainClient,
+}
+
+impl Provider for TestProvider {
+	fn chain_info(&self) -> BlockChainInfo {
+		self.0.client.chain_info()
+	}
+
+	fn reorg_depth(&self, a: &H256, b: &H256) -> Option<u64> {
+		self.0.client.tree_route(a, b).map(|route| route.index as u64)
+	}
+
+	fn earliest_state(&self) -> Option<u64> {
+		None
+	}
+
+	fn block_headers(&self, req: request::Headers) -> Vec<Bytes> {
+		use request::HashOrNumber;
+		use ethcore::views::HeaderView;
+
+		let best_num = self.chain_info().best_block_number;
+		let start_num = match req.start {
+			HashOrNumber::Number(start_num) => start_num,
+			HashOrNumber::Hash(hash) => match self.0.client.block_header(BlockId::Hash(hash)) {
+				None => {
+					return Vec::new();
+				}
+				Some(header) => {
+					let num = HeaderView::new(&header).number();
+					if req.max == 1 || self.0.client.block_hash(BlockId::Number(num)) != Some(hash) {
+						// Non-canonical header or single header requested.
+						return vec![header];
+					}
+
+					num
+				}
+			}
+		};
+
+		(0u64..req.max as u64)
+			.map(|x: u64| x.saturating_mul(req.skip + 1))
+			.take_while(|x| if req.reverse { x < &start_num } else { best_num - start_num >= *x })
+			.map(|x| if req.reverse { start_num - x } else { start_num + x })
+			.map(|x| self.0.client.block_header(BlockId::Number(x)))
+			.take_while(|x| x.is_some())
+			.flat_map(|x| x)
+			.collect()
+	}
+
+	fn block_bodies(&self, req: request::Bodies) -> Vec<Bytes> {
+		req.block_hashes.into_iter()
+			.map(|hash| self.0.client.block_body(BlockId::Hash(hash)))
+			.map(|body| body.unwrap_or_else(|| ::rlp::EMPTY_LIST_RLP.to_vec()))
+			.collect()
+	}
+
+	fn receipts(&self, req: request::Receipts) -> Vec<Bytes> {
+		req.block_hashes.into_iter()
+			.map(|hash| self.0.client.block_receipts(&hash))
+			.map(|receipts| receipts.unwrap_or_else(|| ::rlp::EMPTY_LIST_RLP.to_vec()))
+			.collect()
+	}
+
+	fn proofs(&self, req: request::StateProofs) -> Vec<Bytes> {
+		req.requests.into_iter()
+			.map(|req| {
+				match req.key2 {
+					Some(_) => ::util::sha3::SHA3_NULL_RLP.to_vec(),
+					None => {
+						// sort of a leaf node
+						let mut stream = RlpStream::new_list(2);
+						stream.append(&req.key1).append_empty_data();
+						stream.out()
+					}
+				}
+			})
+			.collect()
+	}
+
+	fn contract_code(&self, req: request::ContractCodes) -> Vec<Bytes> {
+		req.code_requests.into_iter()
+			.map(|req| {
+                req.account_key.iter().chain(req.account_key.iter()).cloned().collect()
+			 })
+			.collect()
+	}
+
+	fn header_proofs(&self, req: request::HeaderProofs) -> Vec<Bytes> {
+		req.requests.into_iter().map(|_| ::rlp::EMPTY_LIST_RLP.to_vec()).collect()
+	}
+
+	fn pending_transactions(&self) -> Vec<SignedTransaction> {
+		self.0.client.pending_transactions()
+	}
+}
+
+fn make_flow_params() -> FlowParams {
+	FlowParams::new(5_000_000.into(), Default::default(), 100_000.into())
+}
+
+fn capabilities() -> Capabilities {
+	Capabilities {
+		serve_headers: true,
+		serve_chain_since: Some(1),
+		serve_state_since: Some(1),
+		tx_relay: true,
+	}
+}
+
+// helper for setting up the protocol handler and provider.
+fn setup(flow_params: FlowParams, capabilities: Capabilities) -> (Arc<TestProviderInner>, LightProtocol) {
+	let provider = Arc::new(TestProviderInner {
+		client: TestBlockChainClient::new(),
+	});
+
+	let proto = LightProtocol::new(Arc::new(TestProvider(provider.clone())), Params {
+		network_id: 2,
+		flow_params: flow_params,
+		capabilities: capabilities,
+	});
+
+	(provider, proto)
+}
+
+fn status(chain_info: BlockChainInfo) -> Status {
+	Status {
+		protocol_version: 1,
+		network_id: 2,
+		head_td: chain_info.total_difficulty,
+		head_hash: chain_info.best_block_hash,
+		head_num: chain_info.best_block_number,
+		genesis_hash: chain_info.genesis_hash,
+		last_head: None,
+	}
+}
+
+#[test]
+fn handshake_expected() {
+	let flow_params = make_flow_params();
+	let capabilities = capabilities();
+
+	let (provider, proto) = setup(flow_params.clone(), capabilities.clone());
+
+	let status = status(provider.client.chain_info());
+
+	let packet_body = write_handshake(&status, &capabilities, Some(&flow_params));
+
+	proto.on_connect(&1, &Expect::Send(1, packet::STATUS, packet_body));
+}
+
+#[test]
+#[should_panic]
+fn genesis_mismatch() {
+	let flow_params = make_flow_params();
+	let capabilities = capabilities();
+
+	let (provider, proto) = setup(flow_params.clone(), capabilities.clone());
+
+	let mut status = status(provider.client.chain_info());
+	status.genesis_hash = H256::default();
+
+	let packet_body = write_handshake(&status, &capabilities, Some(&flow_params));
+
+	proto.on_connect(&1, &Expect::Send(1, packet::STATUS, packet_body));
+}
+
+#[test]
+fn buffer_overflow() {
+	let flow_params = make_flow_params();
+	let capabilities = capabilities();
+
+	let (provider, proto) = setup(flow_params.clone(), capabilities.clone());
+
+	let status = status(provider.client.chain_info());
+
+	{
+		let packet_body = write_handshake(&status, &capabilities, Some(&flow_params));
+		proto.on_connect(&1, &Expect::Send(1, packet::STATUS, packet_body));
+	}
+
+	{
+		let my_status = write_handshake(&status, &capabilities, Some(&flow_params));
+		proto.handle_packet(&Expect::Nothing, &1, packet::STATUS, &my_status);
+	}
+
+	// 1000 requests is far too many for the default flow params.
+	let request = encode_request(&Request::Headers(Headers {
+		start: 1.into(),
+		max: 1000,
+		skip: 0,
+		reverse: false,
+	}), 111);
+
+	proto.handle_packet(&Expect::Punish(1), &1, packet::GET_BLOCK_HEADERS, &request);
+}
+
+// test the basic request types -- these just make sure that requests are parsed
+// and sent to the provider correctly as well as testing response formatting.
+
+#[test]
+fn get_block_headers() {
+	let flow_params = FlowParams::new(5_000_000.into(), Default::default(), 0.into());
+	let capabilities = capabilities();
+
+	let (provider, proto) = setup(flow_params.clone(), capabilities.clone());
+
+	let cur_status = status(provider.client.chain_info());
+	let my_status = write_handshake(&cur_status, &capabilities, Some(&flow_params));
+
+	provider.client.add_blocks(100, EachBlockWith::Nothing);
+
+	let cur_status = status(provider.client.chain_info());
+
+	{
+		let packet_body = write_handshake(&cur_status, &capabilities, Some(&flow_params));
+		proto.on_connect(&1, &Expect::Send(1, packet::STATUS, packet_body));
+		proto.handle_packet(&Expect::Nothing, &1, packet::STATUS, &my_status);
+	}
+
+	let request = Headers {
+		start: 1.into(),
+		max: 10,
+		skip: 0,
+		reverse: false,
+	};
+	let req_id = 111;
+
+	let request_body = encode_request(&Request::Headers(request.clone()), req_id);
+	let response = {
+		let headers: Vec<_> = (0..10).map(|i| provider.client.block_header(BlockId::Number(i + 1)).unwrap()).collect();
+		assert_eq!(headers.len(), 10);
+
+		let new_buf = *flow_params.limit() - flow_params.compute_cost(request::Kind::Headers, 10);
+
+		let mut response_stream = RlpStream::new_list(3);
+
+		response_stream.append(&req_id).append(&new_buf).begin_list(10);
+		for header in headers {
+			response_stream.append_raw(&header, 1);
+		}
+
+		response_stream.out()
+	};
+
+	let expected = Expect::Respond(packet::BLOCK_HEADERS, response);
+	proto.handle_packet(&expected, &1, packet::GET_BLOCK_HEADERS, &request_body);
+}
+
+#[test]
+fn get_block_bodies() {
+	let flow_params = FlowParams::new(5_000_000.into(), Default::default(), 0.into());
+	let capabilities = capabilities();
+
+	let (provider, proto) = setup(flow_params.clone(), capabilities.clone());
+
+	let cur_status = status(provider.client.chain_info());
+	let my_status = write_handshake(&cur_status, &capabilities, Some(&flow_params));
+
+	provider.client.add_blocks(100, EachBlockWith::Nothing);
+
+	let cur_status = status(provider.client.chain_info());
+
+	{
+		let packet_body = write_handshake(&cur_status, &capabilities, Some(&flow_params));
+		proto.on_connect(&1, &Expect::Send(1, packet::STATUS, packet_body));
+		proto.handle_packet(&Expect::Nothing, &1, packet::STATUS, &my_status);
+	}
+
+	let request = request::Bodies {
+		block_hashes: (0..10).map(|i| provider.client.block_hash(BlockId::Number(i)).unwrap()).collect(),
+	};
+
+	let req_id = 111;
+
+	let request_body = encode_request(&Request::Bodies(request.clone()), req_id);
+	let response = {
+		let bodies: Vec<_> = (0..10).map(|i| provider.client.block_body(BlockId::Number(i + 1)).unwrap()).collect();
+		assert_eq!(bodies.len(), 10);
+
+		let new_buf = *flow_params.limit() - flow_params.compute_cost(request::Kind::Bodies, 10);
+
+		let mut response_stream = RlpStream::new_list(3);
+
+		response_stream.append(&req_id).append(&new_buf).begin_list(10);
+		for body in bodies {
+			response_stream.append_raw(&body, 1);
+		}
+
+		response_stream.out()
+	};
+
+	let expected = Expect::Respond(packet::BLOCK_BODIES, response);
+	proto.handle_packet(&expected, &1, packet::GET_BLOCK_BODIES, &request_body);
+}
+
+#[test]
+fn get_block_receipts() {
+	let flow_params = FlowParams::new(5_000_000.into(), Default::default(), 0.into());
+	let capabilities = capabilities();
+
+	let (provider, proto) = setup(flow_params.clone(), capabilities.clone());
+
+	let cur_status = status(provider.client.chain_info());
+	let my_status = write_handshake(&cur_status, &capabilities, Some(&flow_params));
+
+	provider.client.add_blocks(1000, EachBlockWith::Nothing);
+
+	let cur_status = status(provider.client.chain_info());
+
+	{
+		let packet_body = write_handshake(&cur_status, &capabilities, Some(&flow_params));
+		proto.on_connect(&1, &Expect::Send(1, packet::STATUS, packet_body));
+		proto.handle_packet(&Expect::Nothing, &1, packet::STATUS, &my_status);
+	}
+
+	// find the first 10 block hashes starting with `f` because receipts are only provided
+	// by the test client in that case.
+	let block_hashes: Vec<_> = (0..1000).map(|i| provider.client.block_hash(BlockId::Number(i)).unwrap())
+		.filter(|hash| format!("{}", hash).starts_with("f")).take(10).collect();
+
+	let request = request::Receipts {
+		block_hashes: block_hashes.clone(),
+	};
+
+	let req_id = 111;
+
+	let request_body = encode_request(&Request::Receipts(request.clone()), req_id);
+	let response = {
+		let receipts: Vec<_> = block_hashes.iter()
+			.map(|hash| provider.client.block_receipts(hash).unwrap())
+			.collect();
+
+		let new_buf = *flow_params.limit() - flow_params.compute_cost(request::Kind::Receipts, receipts.len());
+
+		let mut response_stream = RlpStream::new_list(3);
+
+		response_stream.append(&req_id).append(&new_buf).begin_list(receipts.len());
+		for block_receipts in receipts {
+			response_stream.append_raw(&block_receipts, 1);
+		}
+
+		response_stream.out()
+	};
+
+	let expected = Expect::Respond(packet::RECEIPTS, response);
+	proto.handle_packet(&expected, &1, packet::GET_RECEIPTS, &request_body);
+}
+
+#[test]
+fn get_state_proofs() {
+	let flow_params = FlowParams::new(5_000_000.into(), Default::default(), 0.into());
+	let capabilities = capabilities();
+
+	let (provider, proto) = setup(flow_params.clone(), capabilities.clone());
+
+	let cur_status = status(provider.client.chain_info());
+
+	{
+		let packet_body = write_handshake(&cur_status, &capabilities, Some(&flow_params));
+		proto.on_connect(&1, &Expect::Send(1, packet::STATUS, packet_body.clone()));
+		proto.handle_packet(&Expect::Nothing, &1, packet::STATUS, &packet_body);
+	}
+
+	let req_id = 112;
+	let key1 = U256::from(11223344).into();
+	let key2 = U256::from(99988887).into();
+
+	let request = Request::StateProofs (request::StateProofs {
+		requests: vec![
+			request::StateProof { block: H256::default(), key1: key1, key2: None, from_level: 0 },
+			request::StateProof { block: H256::default(), key1: key1, key2: Some(key2), from_level: 0},
+		]
+	});
+
+	let request_body = encode_request(&request, req_id);
+	let response = {
+		let proofs = vec![
+			{ let mut stream = RlpStream::new_list(2); stream.append(&key1).append_empty_data(); stream.out() },
+			::util::sha3::SHA3_NULL_RLP.to_vec(),
+		];
+
+		let new_buf = *flow_params.limit() - flow_params.compute_cost(request::Kind::StateProofs, 2);
+
+		let mut response_stream = RlpStream::new_list(3);
+
+		response_stream.append(&req_id).append(&new_buf).begin_list(2);
+		for proof in proofs {
+			response_stream.append_raw(&proof, 1);
+		}
+
+		response_stream.out()
+	};
+
+	let expected = Expect::Respond(packet::PROOFS, response);
+	proto.handle_packet(&expected, &1, packet::GET_PROOFS, &request_body);
+}
+
+#[test]
+fn get_contract_code() {
+	let flow_params = FlowParams::new(5_000_000.into(), Default::default(), 0.into());
+	let capabilities = capabilities();
+
+	let (provider, proto) = setup(flow_params.clone(), capabilities.clone());
+
+	let cur_status = status(provider.client.chain_info());
+
+	{
+		let packet_body = write_handshake(&cur_status, &capabilities, Some(&flow_params));
+		proto.on_connect(&1, &Expect::Send(1, packet::STATUS, packet_body.clone()));
+		proto.handle_packet(&Expect::Nothing, &1, packet::STATUS, &packet_body);
+	}
+
+	let req_id = 112;
+	let key1 = U256::from(11223344).into();
+	let key2 = U256::from(99988887).into();
+
+	let request = Request::Codes (request::ContractCodes {
+		code_requests: vec![
+			request::ContractCode { block_hash: H256::default(), account_key: key1 },
+			request::ContractCode { block_hash: H256::default(), account_key: key2 },
+		],
+	});
+
+	let request_body = encode_request(&request, req_id);
+	let response = {
+		let codes: Vec<Vec<_>> = vec![
+			key1.iter().chain(key1.iter()).cloned().collect(),
+            key2.iter().chain(key2.iter()).cloned().collect(),
+		];
+
+		let new_buf = *flow_params.limit() - flow_params.compute_cost(request::Kind::Codes, 2);
+
+		let mut response_stream = RlpStream::new_list(3);
+
+		response_stream.append(&req_id).append(&new_buf).begin_list(2);
+		for code in codes {
+			response_stream.append(&code);
+		}
+
+		response_stream.out()
+	};
+
+	let expected = Expect::Respond(packet::CONTRACT_CODES, response);
+	proto.handle_packet(&expected, &1, packet::GET_CONTRACT_CODES, &request_body);
+}

ethcore/light/src/provider.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify
@@ -20,7 +20,7 @@
 use ethcore::blockchain_info::BlockChainInfo;
 use ethcore::client::{BlockChainClient, ProvingBlockChainClient};
 use ethcore::transaction::SignedTransaction;
-use ethcore::ids::BlockID;
+use ethcore::ids::BlockId;
 
 use util::{Bytes, H256};
 
@@ -33,6 +33,7 @@ use request;
 /// or empty vector where appropriate.
 ///
 /// [1]: https://github.com/ethcore/parity/wiki/Light-Ethereum-Subprotocol-(LES)
+#[cfg_attr(feature = "ipc", ipc(client_ident="LightProviderClient"))]
 pub trait Provider: Send + Sync {
 	/// Provide current blockchain info.
 	fn chain_info(&self) -> BlockChainInfo;
@@ -71,7 +72,10 @@ pub trait Provider: Send + Sync {
 	/// Each item in the resulting vector is either the raw bytecode or empty.
 	fn contract_code(&self, req: request::ContractCodes) -> Vec<Bytes>;
 
-	/// Provide header proofs from the Canonical Hash Tries.
+	/// Provide header proofs from the Canonical Hash Tries as well as the headers 
+	/// they correspond to -- each element in the returned vector is a 2-tuple.
+	/// The first element is a block header and the second a merkle proof of 
+	/// the header in a requested CHT.
 	fn header_proofs(&self, req: request::HeaderProofs) -> Vec<Bytes>;
 
 	/// Provide pending transactions.
@@ -93,22 +97,34 @@ impl<T: ProvingBlockChainClient + ?Sized> Provider for T {
 	}
 
 	fn block_headers(&self, req: request::Headers) -> Vec<Bytes> {
-		let best_num = self.chain_info().best_block_number;
+		use request::HashOrNumber;
-		let start_num = req.block_num;
+		use ethcore::views::HeaderView;
 
-		match self.block_hash(BlockID::Number(req.block_num)) {
+		let best_num = self.chain_info().best_block_number;
-			Some(hash) if hash == req.block_hash => {}
+		let start_num = match req.start {
-			_=> {
+			HashOrNumber::Number(start_num) => start_num,
-				trace!(target: "les_provider", "unknown/non-canonical start block in header request: {:?}", (req.block_num, req.block_hash));
+			HashOrNumber::Hash(hash) => match self.block_header(BlockId::Hash(hash)) {
-				return vec![]
+				None => {
+					trace!(target: "les_provider", "Unknown block hash {} requested", hash);
+					return Vec::new();
+				}
+				Some(header) => {
+					let num = HeaderView::new(&header).number();
+					if req.max == 1 || self.block_hash(BlockId::Number(num)) != Some(hash) {
+						// Non-canonical header or single header requested.
+						return vec![header];
+					}
+
+					num
+				}
 			}
-		}
+		};
 		
 		(0u64..req.max as u64)
-			.map(|x: u64| x.saturating_mul(req.skip))
+			.map(|x: u64| x.saturating_mul(req.skip + 1))
-			.take_while(|x| if req.reverse { x < &start_num } else { best_num - start_num < *x })
+			.take_while(|x| if req.reverse { x < &start_num } else { best_num - start_num >= *x })
 			.map(|x| if req.reverse { start_num - x } else { start_num + x })
-			.map(|x| self.block_header(BlockID::Number(x)))
+			.map(|x| self.block_header(BlockId::Number(x)))
 			.take_while(|x| x.is_some())
 			.flat_map(|x| x)
 			.collect()
@@ -116,7 +132,7 @@ impl<T: ProvingBlockChainClient + ?Sized> Provider for T {
 
 	fn block_bodies(&self, req: request::Bodies) -> Vec<Bytes> {
 		req.block_hashes.into_iter()
-			.map(|hash| self.block_body(BlockID::Hash(hash)))
+			.map(|hash| self.block_body(BlockId::Hash(hash)))
 			.map(|body| body.unwrap_or_else(|| ::rlp::EMPTY_LIST_RLP.to_vec()))
 			.collect()
 	}
@@ -135,8 +151,8 @@ impl<T: ProvingBlockChainClient + ?Sized> Provider for T {
 
 		for request in req.requests {
 			let proof = match request.key2 {
-				Some(key2) => self.prove_storage(request.key1, key2, request.from_level, BlockID::Hash(request.block)),
+				Some(key2) => self.prove_storage(request.key1, key2, request.from_level, BlockId::Hash(request.block)),
-				None => self.prove_account(request.key1, request.from_level, BlockID::Hash(request.block)),
+				None => self.prove_account(request.key1, request.from_level, BlockId::Hash(request.block)),
 			};
 
 			let mut stream = RlpStream::new_list(proof.len());
@@ -153,7 +169,7 @@ impl<T: ProvingBlockChainClient + ?Sized> Provider for T {
 	fn contract_code(&self, req: request::ContractCodes) -> Vec<Bytes> {
 		req.code_requests.into_iter()
 			.map(|req| {
-				self.code_by_hash(req.account_key, BlockID::Hash(req.block_hash))
+				self.code_by_hash(req.account_key, BlockId::Hash(req.block_hash))
 			})
 			.collect()
 	}

ethcore/light/src/types/les_request.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify
@@ -18,14 +18,34 @@
 
 use util::H256;
 
+/// Either a hash or a number.
+#[derive(Debug, Clone, PartialEq, Eq)]
+#[cfg_attr(feature = "ipc", derive(Binary))]
+pub enum HashOrNumber {
+	/// Block hash variant.
+	Hash(H256),
+	/// Block number variant.
+	Number(u64),
+}
+
+impl From<H256> for HashOrNumber {
+	fn from(hash: H256) -> Self {
+		HashOrNumber::Hash(hash)
+	}
+}
+
+impl From<u64> for HashOrNumber {
+	fn from(num: u64) -> Self {
+		HashOrNumber::Number(num)
+	}
+}
+
 /// A request for block headers.
-#[derive(Debug, Clone, PartialEq, Eq, Binary)]
+#[derive(Debug, Clone, PartialEq, Eq)]
+#[cfg_attr(feature = "ipc", derive(Binary))]
 pub struct Headers {
-	/// Starting block number
+	/// Starting block number or hash.
-	pub block_num: u64,
+	pub start: HashOrNumber,
-	/// Starting block hash. This and number could be combined but IPC codegen is
-	/// not robust enough to support it.
-	pub block_hash: H256,
 	/// The maximum amount of headers which can be returned.
 	pub max: usize,
 	/// The amount of headers to skip between each response entry.
@@ -35,7 +55,8 @@ pub struct Headers {
 }
 
 /// A request for specific block bodies.
-#[derive(Debug, Clone, PartialEq, Eq, Binary)]
+#[derive(Debug, Clone, PartialEq, Eq)]
+#[cfg_attr(feature = "ipc", derive(Binary))]
 pub struct Bodies {
 	/// Hashes which bodies are being requested for.
 	pub block_hashes: Vec<H256>
@@ -45,14 +66,16 @@ pub struct Bodies {
 ///
 /// This request is answered with a list of transaction receipts for each block
 /// requested.
-#[derive(Debug, Clone, PartialEq, Eq, Binary)]
+#[derive(Debug, Clone, PartialEq, Eq)]
+#[cfg_attr(feature = "ipc", derive(Binary))]
 pub struct Receipts {
 	/// Block hashes to return receipts for.
 	pub block_hashes: Vec<H256>,
 }
 
 /// A request for a state proof
-#[derive(Debug, Clone, PartialEq, Eq, Binary)]
+#[derive(Debug, Clone, PartialEq, Eq)]
+#[cfg_attr(feature = "ipc", derive(Binary))]
 pub struct StateProof {
 	/// Block hash to query state from.
 	pub block: H256,
@@ -66,14 +89,16 @@ pub struct StateProof {
 }
 
 /// A request for state proofs.
-#[derive(Debug, Clone, PartialEq, Eq, Binary)]
+#[derive(Debug, Clone, PartialEq, Eq)]
+#[cfg_attr(feature = "ipc", derive(Binary))]
 pub struct StateProofs {
 	/// All the proof requests.
 	pub requests: Vec<StateProof>,
 }
 
 /// A request for contract code.
-#[derive(Debug, Clone, PartialEq, Eq, Binary)]
+#[derive(Debug, Clone, PartialEq, Eq)]
+#[cfg_attr(feature = "ipc", derive(Binary))]
 pub struct ContractCode {
 	/// Block hash
 	pub block_hash: H256,
@@ -82,14 +107,16 @@ pub struct ContractCode {
 }
 
 /// A request for contract code.
-#[derive(Debug, Clone, PartialEq, Eq, Binary)]
+#[derive(Debug, Clone, PartialEq, Eq)]
+#[cfg_attr(feature = "ipc", derive(Binary))]
 pub struct ContractCodes {
 	/// Block hash and account key (== sha3(address)) pairs to fetch code for.
 	pub code_requests: Vec<ContractCode>,
 }
 
 /// A request for a header proof from the Canonical Hash Trie.
-#[derive(Debug, Clone, PartialEq, Eq, Binary)]
+#[derive(Debug, Clone, PartialEq, Eq)]
+#[cfg_attr(feature = "ipc", derive(Binary))]
 pub struct HeaderProof {
 	/// Number of the CHT.
 	pub cht_number: u64,
@@ -100,14 +127,16 @@ pub struct HeaderProof {
 }
 
 /// A request for header proofs from the CHT.
-#[derive(Debug, Clone, PartialEq, Eq, Binary)]
+#[derive(Debug, Clone, PartialEq, Eq)]
+#[cfg_attr(feature = "ipc", derive(Binary))]
 pub struct HeaderProofs {
 	/// All the proof requests.
 	pub requests: Vec<HeaderProof>,
 }
 
 /// Kinds of requests.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Binary)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+#[cfg_attr(feature = "ipc", derive(Binary))]
 pub enum Kind {
 	/// Requesting headers.
 	Headers,
@@ -124,7 +153,8 @@ pub enum Kind {
 }
 
 /// Encompasses all possible types of requests in a single structure.
-#[derive(Debug, Clone, PartialEq, Eq, Binary)]
+#[derive(Debug, Clone, PartialEq, Eq)]
+#[cfg_attr(feature = "ipc", derive(Binary))]
 pub enum Request {
 	/// Requesting headers.
 	Headers(Headers),

ethcore/light/src/types/mod.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify
@@ -15,6 +15,11 @@
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
 //! Types used in the public (IPC) api which require custom code generation.
+#![cfg_attr(feature = "ipc", allow(dead_code, unused_assignments, unused_variables))] // codegen issues
 
-#![allow(dead_code, unused_assignments, unused_variables)] // codegen issues
+
+#[cfg(feature = "ipc")]
 include!(concat!(env!("OUT_DIR"), "/mod.rs.in"));
+
+#[cfg(not(feature = "ipc"))]
+include!("mod.rs.in");

ethcore/light/src/types/mod.rs.in

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

ethcore/res/authority_round.json

@@ -4,7 +4,8 @@
 		"AuthorityRound": {
 			"params": {
 				"gasLimitBoundDivisor": "0x0400",
-				"stepDuration": "1",
+				"stepDuration": 1,
+				"startStep": 2,
 				"authorities" : [
 					"0x7d577a597b2742b498cb5cf0c26cdcd726d39e6e",
 					"0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1"

ethcore/res/ethereum/frontier.json

@@ -170,9 +170,6 @@
 		"enode://cadc6e573b6bc2a9128f2f635ac0db3353e360b56deef239e9be7e7fce039502e0ec670b595f6288c0d2116812516ad6b6ff8d5728ff45eba176989e40dead1e@37.128.191.230:30303",
 		"enode://595a9a06f8b9bc9835c8723b6a82105aea5d55c66b029b6d44f229d6d135ac3ecdd3e9309360a961ea39d7bee7bac5d03564077a4e08823acc723370aace65ec@46.20.235.22:30303",
 		"enode://029178d6d6f9f8026fc0bc17d5d1401aac76ec9d86633bba2320b5eed7b312980c0a210b74b20c4f9a8b0b2bf884b111fa9ea5c5f916bb9bbc0e0c8640a0f56c@216.158.85.185:30303",
-		"enode://84f5d5957b4880a8b0545e32e05472318898ad9fc8ebe1d56c90c12334a98e12351eccfdf3a2bf72432ac38b57e9d348400d17caa083879ade3822390f89773f@10.1.52.78:30303",
-		"enode://f90dc9b9bf7b8db97726b7849e175f1eb2707f3d8f281c929336e398dd89b0409fc6aeceb89e846278e9d3ecc3857cebfbe6758ff352ece6fe5d42921ee761db@10.1.173.87:30303",
-		"enode://6a868ced2dec399c53f730261173638a93a40214cf299ccf4d42a76e3fa54701db410669e8006347a4b3a74fa090bb35af0320e4bc8d04cf5b7f582b1db285f5@10.3.149.199:30303",
 		"enode://fdd1b9bb613cfbc200bba17ce199a9490edc752a833f88d4134bf52bb0d858aa5524cb3ec9366c7a4ef4637754b8b15b5dc913e4ed9fdb6022f7512d7b63f181@212.47.247.103:30303",
 		"enode://a979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c@52.16.188.185:30303",
 		"enode://de471bccee3d042261d52e9bff31458daecc406142b401d4cd848f677479f73104b9fdeb090af9583d3391b7f10cb2ba9e26865dd5fca4fcdc0fb1e3b723c786@54.94.239.50:30303",

ethcore/src/account_db.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

ethcore/src/account_provider/mod.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify
@@ -213,7 +213,7 @@ impl AccountProvider {
 		Ok(AccountMeta {
 			name: try!(self.sstore.name(&account)),
 			meta: try!(self.sstore.meta(&account)),
-			uuid: self.sstore.uuid(&account).ok().map(Into::into),	// allowed to not have a UUID
+			uuid: self.sstore.uuid(&account).ok().map(Into::into),	// allowed to not have a Uuid
 		})
 	}
 

ethcore/src/account_provider/stores.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

ethcore/src/action_params.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

ethcore/src/basic_types.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

ethcore/src/block.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify
@@ -266,7 +266,8 @@ impl<'x> OpenBlock<'x> {
 		r.block.base.header.set_extra_data(extra_data);
 		r.block.base.header.note_dirty();
 
-		engine.populate_from_parent(&mut r.block.base.header, parent, gas_range_target.0, gas_range_target.1);
+		let gas_floor_target = ::std::cmp::max(gas_range_target.0, engine.params().min_gas_limit);
+		engine.populate_from_parent(&mut r.block.base.header, parent, gas_floor_target, gas_range_target.1);
 		engine.on_new_block(&mut r.block);
 		Ok(r)
 	}

ethcore/src/blockchain/best_block.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

ethcore/src/blockchain/block_info.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

ethcore/src/blockchain/blockchain.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify
@@ -146,7 +146,7 @@ pub trait BlockProvider {
 }
 
 #[derive(Debug, Hash, Eq, PartialEq, Clone)]
-enum CacheID {
+enum CacheId {
 	BlockHeader(H256),
 	BlockBody(H256),
 	BlockDetails(H256),
@@ -160,7 +160,7 @@ impl bc::group::BloomGroupDatabase for BlockChain {
 	fn blooms_at(&self, position: &bc::group::GroupPosition) -> Option<bc::group::BloomGroup> {
 		let position = LogGroupPosition::from(position.clone());
 		let result = self.db.read_with_cache(db::COL_EXTRA, &self.blocks_blooms, &position).map(Into::into);
-		self.cache_man.lock().note_used(CacheID::BlocksBlooms(position));
+		self.cache_man.lock().note_used(CacheId::BlocksBlooms(position));
 		result
 	}
 }
@@ -193,7 +193,7 @@ pub struct BlockChain {
 
 	db: Arc<Database>,
 
-	cache_man: Mutex<CacheManager<CacheID>>,
+	cache_man: Mutex<CacheManager<CacheId>>,
 
 	pending_best_block: RwLock<Option<BestBlock>>,
 	pending_block_hashes: RwLock<HashMap<BlockNumber, H256>>,
@@ -270,7 +270,7 @@ impl BlockProvider for BlockChain {
 			None => None
 		};
 
-		self.cache_man.lock().note_used(CacheID::BlockHeader(hash.clone()));
+		self.cache_man.lock().note_used(CacheId::BlockHeader(hash.clone()));
 		result
 	}
 
@@ -306,7 +306,7 @@ impl BlockProvider for BlockChain {
 			None => None
 		};
 
-		self.cache_man.lock().note_used(CacheID::BlockBody(hash.clone()));
+		self.cache_man.lock().note_used(CacheId::BlockBody(hash.clone()));
 
 		result
 	}
@@ -314,28 +314,28 @@ impl BlockProvider for BlockChain {
 	/// Get the familial details concerning a block.
 	fn block_details(&self, hash: &H256) -> Option<BlockDetails> {
 		let result = self.db.read_with_cache(db::COL_EXTRA, &self.block_details, hash);
-		self.cache_man.lock().note_used(CacheID::BlockDetails(hash.clone()));
+		self.cache_man.lock().note_used(CacheId::BlockDetails(hash.clone()));
 		result
 	}
 
 	/// Get the hash of given block's number.
 	fn block_hash(&self, index: BlockNumber) -> Option<H256> {
 		let result = self.db.read_with_cache(db::COL_EXTRA, &self.block_hashes, &index);
-		self.cache_man.lock().note_used(CacheID::BlockHashes(index));
+		self.cache_man.lock().note_used(CacheId::BlockHashes(index));
 		result
 	}
 
 	/// Get the address of transaction with given hash.
 	fn transaction_address(&self, hash: &H256) -> Option<TransactionAddress> {
 		let result = self.db.read_with_cache(db::COL_EXTRA, &self.transaction_addresses, hash);
-		self.cache_man.lock().note_used(CacheID::TransactionAddresses(hash.clone()));
+		self.cache_man.lock().note_used(CacheId::TransactionAddresses(hash.clone()));
 		result
 	}
 
 	/// Get receipts of block with given hash.
 	fn block_receipts(&self, hash: &H256) -> Option<BlockReceipts> {
 		let result = self.db.read_with_cache(db::COL_EXTRA, &self.block_receipts, hash);
-		self.cache_man.lock().note_used(CacheID::BlockReceipts(hash.clone()));
+		self.cache_man.lock().note_used(CacheId::BlockReceipts(hash.clone()));
 		result
 	}
 
@@ -809,7 +809,7 @@ impl BlockChain {
 		let mut write_details = self.block_details.write();
 		batch.extend_with_cache(db::COL_EXTRA, &mut *write_details, update, CacheUpdatePolicy::Overwrite);
 
-		self.cache_man.lock().note_used(CacheID::BlockDetails(block_hash));
+		self.cache_man.lock().note_used(CacheId::BlockDetails(block_hash));
 	}
 
 	#[cfg_attr(feature="dev", allow(similar_names))]
@@ -968,15 +968,15 @@ impl BlockChain {
 
 		let mut cache_man = self.cache_man.lock();
 		for n in pending_hashes_keys {
-			cache_man.note_used(CacheID::BlockHashes(n));
+			cache_man.note_used(CacheId::BlockHashes(n));
 		}
 
 		for hash in enacted_txs_keys {
-			cache_man.note_used(CacheID::TransactionAddresses(hash));
+			cache_man.note_used(CacheId::TransactionAddresses(hash));
 		}
 
 		for hash in pending_block_hashes {
-			cache_man.note_used(CacheID::BlockDetails(hash));
+			cache_man.note_used(CacheId::BlockDetails(hash));
 		}
 	}
 
@@ -1244,13 +1244,13 @@ impl BlockChain {
 		cache_man.collect_garbage(current_size, | ids | {
 			for id in &ids {
 				match *id {
-					CacheID::BlockHeader(ref h) => { block_headers.remove(h); },
+					CacheId::BlockHeader(ref h) => { block_headers.remove(h); },
-					CacheID::BlockBody(ref h) => { block_bodies.remove(h); },
+					CacheId::BlockBody(ref h) => { block_bodies.remove(h); },
-					CacheID::BlockDetails(ref h) => { block_details.remove(h); }
+					CacheId::BlockDetails(ref h) => { block_details.remove(h); }
-					CacheID::BlockHashes(ref h) => { block_hashes.remove(h); }
+					CacheId::BlockHashes(ref h) => { block_hashes.remove(h); }
-					CacheID::TransactionAddresses(ref h) => { transaction_addresses.remove(h); }
+					CacheId::TransactionAddresses(ref h) => { transaction_addresses.remove(h); }
-					CacheID::BlocksBlooms(ref h) => { blocks_blooms.remove(h); }
+					CacheId::BlocksBlooms(ref h) => { blocks_blooms.remove(h); }
-					CacheID::BlockReceipts(ref h) => { block_receipts.remove(h); }
+					CacheId::BlockReceipts(ref h) => { block_receipts.remove(h); }
 				}
 			}
 

ethcore/src/blockchain/cache.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

ethcore/src/blockchain/config.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

ethcore/src/blockchain/extras.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

ethcore/src/blockchain/generator/block.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify

ethcore/src/blockchain/generator/bloom.rs

@@ -1,4 +1,4 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
 // This file is part of Parity.
 
 // Parity is free software: you can redistribute it and/or modify