mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-06-12 18:11:10 +00:00
Initial validator trait. (#14)
* Initial validator trait. * Add missing docs warning. * Fix formatting. * Fix validator output and serialization. * Get rid of redundant ValidationCode type.
This commit is contained in:
Tomasz Drwięga
committed by
Robert Habermeier
Robert Habermeier
parent
9d083be47a
commit
e9177294f6
Generated
+87
-8
@@ -1,11 +1,3 @@
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[root]
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name = "polkadot-serializer"
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version = "0.1.0"
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dependencies = [
|
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"serde 1.0.19 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"serde_json 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
|
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]
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[[package]]
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name = "aho-corasick"
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version = "0.6.3"
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@@ -30,6 +22,29 @@ dependencies = [
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"winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "backtrace"
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version = "0.3.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
|
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"backtrace-sys 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"cfg-if 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"dbghelp-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"libc 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"rustc-demangle 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "backtrace-sys"
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version = "0.1.16"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"cc 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"libc 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "bitflags"
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version = "0.7.0"
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@@ -45,6 +60,16 @@ name = "byteorder"
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version = "1.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "cc"
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version = "1.0.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "cfg-if"
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version = "0.1.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "clap"
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version = "2.27.1"
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@@ -65,6 +90,15 @@ name = "crunchy"
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version = "0.1.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "dbghelp-sys"
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version = "0.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
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"winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "difference"
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version = "1.0.0"
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@@ -84,6 +118,14 @@ dependencies = [
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"regex 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "error-chain"
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version = "0.11.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"backtrace 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "fixed-hash"
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version = "0.1.0"
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@@ -179,9 +221,28 @@ dependencies = [
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"rustc-hex 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.19 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde_derive 1.0.19 (registry+https://github.com/rust-lang/crates.io-index)",
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"tiny-keccak 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"uint 0.1.0 (git+https://github.com/paritytech/primitives.git)",
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]
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[[package]]
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name = "polkadot-serializer"
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version = "0.1.0"
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dependencies = [
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"serde 1.0.19 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde_json 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "polkadot-validator"
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version = "0.1.0"
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dependencies = [
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"error-chain 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"polkadot-primitives 0.1.0",
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"polkadot-serializer 0.1.0",
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"serde 1.0.19 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "pretty_assertions"
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version = "0.4.0"
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@@ -235,6 +296,11 @@ name = "regex-syntax"
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version = "0.4.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "rustc-demangle"
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version = "0.1.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "rustc-hex"
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version = "1.0.0"
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@@ -346,6 +412,11 @@ dependencies = [
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"unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "tiny-keccak"
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version = "1.3.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "uint"
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version = "0.1.0"
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@@ -408,14 +479,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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"checksum aho-corasick 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)" = "500909c4f87a9e52355b26626d890833e9e1d53ac566db76c36faa984b889699"
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"checksum ansi_term 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "23ac7c30002a5accbf7e8987d0632fa6de155b7c3d39d0067317a391e00a2ef6"
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"checksum atty 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "21e50800ec991574876040fff8ee46b136a53e985286fbe6a3bdfe6421b78860"
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"checksum backtrace 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "99f2ce94e22b8e664d95c57fff45b98a966c2252b60691d0b7aeeccd88d70983"
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"checksum backtrace-sys 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)" = "44585761d6161b0f57afc49482ab6bd067e4edef48c12a152c237eb0203f7661"
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"checksum bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "aad18937a628ec6abcd26d1489012cc0e18c21798210f491af69ded9b881106d"
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"checksum bitflags 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4efd02e230a02e18f92fc2735f44597385ed02ad8f831e7c1c1156ee5e1ab3a5"
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"checksum byteorder 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ff81738b726f5d099632ceaffe7fb65b90212e8dce59d518729e7e8634032d3d"
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"checksum cc 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a9b13a57efd6b30ecd6598ebdb302cca617930b5470647570468a65d12ef9719"
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"checksum cfg-if 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "d4c819a1287eb618df47cc647173c5c4c66ba19d888a6e50d605672aed3140de"
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"checksum clap 2.27.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1b8c532887f1a292d17de05ae858a8fe50a301e196f9ef0ddb7ccd0d1d00f180"
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"checksum crunchy 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "a2f4a431c5c9f662e1200b7c7f02c34e91361150e382089a8f2dec3ba680cbda"
|
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"checksum dbghelp-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "97590ba53bcb8ac28279161ca943a924d1fd4a8fb3fa63302591647c4fc5b850"
|
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"checksum difference 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b3304d19798a8e067e48d8e69b2c37f0b5e9b4e462504ad9e27e9f3fce02bba8"
|
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"checksum dtoa 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "09c3753c3db574d215cba4ea76018483895d7bff25a31b49ba45db21c48e50ab"
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"checksum env_logger 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "3ddf21e73e016298f5cb37d6ef8e8da8e39f91f9ec8b0df44b7deb16a9f8cd5b"
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"checksum error-chain 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ff511d5dc435d703f4971bc399647c9bc38e20cb41452e3b9feb4765419ed3f3"
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"checksum fixed-hash 0.1.0 (git+https://github.com/paritytech/primitives.git)" = "<none>"
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"checksum fuchsia-zircon 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f6c0581a4e363262e52b87f59ee2afe3415361c6ec35e665924eb08afe8ff159"
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"checksum fuchsia-zircon-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "43f3795b4bae048dc6123a6b972cadde2e676f9ded08aef6bb77f5f157684a82"
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@@ -433,6 +510,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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"checksum redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7e891cfe48e9100a70a3b6eb652fef28920c117d366339687bd5576160db0f76"
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"checksum regex 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "1731164734096285ec2a5ec7fea5248ae2f5485b3feeb0115af4fda2183b2d1b"
|
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"checksum regex-syntax 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ad890a5eef7953f55427c50575c680c42841653abd2b028b68cd223d157f62db"
|
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"checksum rustc-demangle 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "aee45432acc62f7b9a108cc054142dac51f979e69e71ddce7d6fc7adf29e817e"
|
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"checksum rustc-hex 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0ceb8ce7a5e520de349e1fa172baeba4a9e8d5ef06c47471863530bc4972ee1e"
|
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"checksum rustc_version 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b9743a7670d88d5d52950408ecdb7c71d8986251ab604d4689dd2ca25c9bca69"
|
||||
"checksum semver 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7a3186ec9e65071a2095434b1f5bb24838d4e8e130f584c790f6033c79943537"
|
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@@ -447,6 +525,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
|
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"checksum termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "689a3bdfaab439fd92bc87df5c4c78417d3cbe537487274e9b0b2dce76e92096"
|
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"checksum textwrap 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c0b59b6b4b44d867f1370ef1bd91bfb262bf07bf0ae65c202ea2fbc16153b693"
|
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"checksum thread_local 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "1697c4b57aeeb7a536b647165a2825faddffb1d3bad386d507709bd51a90bb14"
|
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"checksum tiny-keccak 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d52d12ad79e4063e0cb0ca5efa202ed7244b6ce4d25f4d3abe410b2a66128292"
|
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"checksum uint 0.1.0 (git+https://github.com/paritytech/primitives.git)" = "<none>"
|
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"checksum unicode-width 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "bf3a113775714a22dcb774d8ea3655c53a32debae63a063acc00a91cc586245f"
|
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"checksum unicode-xid 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8c1f860d7d29cf02cb2f3f359fd35991af3d30bac52c57d265a3c461074cb4dc"
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@@ -4,10 +4,11 @@ version = "0.1.0"
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authors = ["Parity Team <admin@parity.io>"]
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[dependencies]
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polkadot-cli = { path = "cli" }
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polkadot-cli = { path = "cli", version = "0.1" }
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[workspace]
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members = [
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"primitives",
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"serializer"
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"serializer",
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"validator",
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]
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@@ -4,11 +4,12 @@ version = "0.1.0"
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authors = ["Parity Team <admin@parity.io>"]
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[dependencies]
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crunchy = "0.1.5"
|
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crunchy = "0.1"
|
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fixed-hash = { git = "https://github.com/paritytech/primitives.git" }
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rustc-hex = "1.0"
|
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serde = "1.0"
|
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serde_derive = "1.0"
|
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tiny-keccak = "1.3"
|
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uint = { git = "https://github.com/paritytech/primitives.git" }
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[dev-dependencies]
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@@ -16,50 +16,23 @@
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//! Block and header type definitions.
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use bytes;
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use hash::H256;
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use parachain;
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/// Hash used to refer to a block hash.
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pub type HeaderHash = H256;
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/// Hash used to refer to proof of block header.
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pub type ProofHash = H256;
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/// Unique identifier of a parachain.
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#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy, Serialize, Deserialize)]
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pub struct ParachainId(u64);
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impl From<ParachainId> for u64 {
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fn from(x: ParachainId) -> Self { x.0 }
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}
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impl From<u64> for ParachainId {
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fn from(x: u64) -> Self { ParachainId(x) }
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}
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/// A wrapper type for parachain block header raw bytes.
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#[derive(Debug, PartialEq, Eq, Serialize, Deserialize)]
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pub struct ParachainBlockHeader(#[serde(with="bytes")] pub Vec<u8>);
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/// A parachain block proposal.
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#[derive(Debug, PartialEq, Eq, Serialize, Deserialize)]
|
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pub struct ParachainProposal {
|
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/// The ID of the parachain this is a proposal for.
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pub parachain: ParachainId,
|
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/// Parachain block header bytes.
|
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pub header: ParachainBlockHeader,
|
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/// Hash of data necessary to prove validity of the header.
|
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pub proof_hash: ProofHash,
|
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}
|
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/// A relay chain block header.
|
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#[derive(Debug, PartialEq, Eq, Serialize, Deserialize)]
|
||||
pub struct Header {
|
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/// Block parent's hash.
|
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pub parent_hash: HeaderHash,
|
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#[serde(rename="parentHash")]
|
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pub parent_hash: HeaderHash,
|
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/// State root after this transition.
|
||||
pub state_root: H256,
|
||||
#[serde(rename="stateRoot")]
|
||||
pub state_root: H256,
|
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/// Unix time at which this header was produced.
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||||
pub timestamp: u64,
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pub timestamp: u64,
|
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/// Block number.
|
||||
pub number: u64,
|
||||
}
|
||||
@@ -71,7 +44,8 @@ pub struct Header {
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||||
#[derive(Debug, PartialEq, Eq, Serialize, Deserialize)]
|
||||
pub struct Body {
|
||||
/// Parachain proposal blocks.
|
||||
pub para_blocks: Vec<ParachainProposal>,
|
||||
#[serde(rename="paraBlocks")]
|
||||
pub para_blocks: Vec<parachain::Proposal>,
|
||||
}
|
||||
|
||||
|
||||
@@ -88,8 +62,8 @@ mod tests {
|
||||
timestamp: 10,
|
||||
number: 67,
|
||||
}), r#"{
|
||||
"parent_hash": "0x0000000000000000000000000000000000000000000000000000000000000005",
|
||||
"state_root": "0x0000000000000000000000000000000000000000000000000000000000000003",
|
||||
"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000005",
|
||||
"stateRoot": "0x0000000000000000000000000000000000000000000000000000000000000003",
|
||||
"timestamp": 10,
|
||||
"number": 67
|
||||
}"#);
|
||||
@@ -99,18 +73,18 @@ mod tests {
|
||||
fn test_body_serialization() {
|
||||
assert_eq!(ser::to_string_pretty(&Body {
|
||||
para_blocks: vec![
|
||||
ParachainProposal {
|
||||
parachain::Proposal {
|
||||
parachain: 5.into(),
|
||||
header: ParachainBlockHeader(vec![1, 2, 3, 4]),
|
||||
header: parachain::Header(vec![1, 2, 3, 4]),
|
||||
proof_hash: 5.into(),
|
||||
}
|
||||
],
|
||||
}), r#"{
|
||||
"para_blocks": [
|
||||
"paraBlocks": [
|
||||
{
|
||||
"parachain": 5,
|
||||
"header": "0x01020304",
|
||||
"proof_hash": "0x0000000000000000000000000000000000000000000000000000000000000005"
|
||||
"proofHash": "0x0000000000000000000000000000000000000000000000000000000000000005"
|
||||
}
|
||||
]
|
||||
}"#);
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||||
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||||
@@ -18,8 +18,9 @@
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||||
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||||
#![warn(missing_docs)]
|
||||
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||||
extern crate serde;
|
||||
extern crate rustc_hex;
|
||||
extern crate serde;
|
||||
extern crate tiny_keccak;
|
||||
|
||||
#[macro_use]
|
||||
extern crate crunchy;
|
||||
@@ -41,7 +42,14 @@ extern crate pretty_assertions;
|
||||
mod bytes;
|
||||
pub mod block;
|
||||
pub mod hash;
|
||||
pub mod parachain;
|
||||
pub mod uint;
|
||||
pub mod validator;
|
||||
|
||||
/// Alias to 160-bit hash when used in the context of an account address.
|
||||
pub type Address = hash::H160;
|
||||
|
||||
/// A hash function.
|
||||
pub fn hash(data: &[u8]) -> hash::H256 {
|
||||
tiny_keccak::keccak256(data).into()
|
||||
}
|
||||
|
||||
@@ -0,0 +1,100 @@
|
||||
// Copyright 2017 Parity Technologies (UK) Ltd.
|
||||
// This file is part of Polkadot.
|
||||
|
||||
// Polkadot 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.
|
||||
|
||||
// Polkadot 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 Polkadot. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
//! Parachain data types.
|
||||
|
||||
use bytes;
|
||||
|
||||
/// Unique identifier of a parachain.
|
||||
#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy, Serialize, Deserialize)]
|
||||
pub struct Id(u64);
|
||||
|
||||
impl From<Id> for u64 {
|
||||
fn from(x: Id) -> Self { x.0 }
|
||||
}
|
||||
|
||||
impl From<u64> for Id {
|
||||
fn from(x: u64) -> Self { Id(x) }
|
||||
}
|
||||
|
||||
/// A parachain block proposal.
|
||||
#[derive(Debug, PartialEq, Eq, Serialize, Deserialize)]
|
||||
pub struct Proposal {
|
||||
/// The ID of the parachain this is a proposal for.
|
||||
pub parachain: Id,
|
||||
/// Parachain block header bytes.
|
||||
pub header: Header,
|
||||
/// Hash of data necessary to prove validity of the header.
|
||||
#[serde(rename="proofHash")]
|
||||
pub proof_hash: ProofHash,
|
||||
}
|
||||
|
||||
/// Parachain header raw bytes wrapper type.
|
||||
#[derive(Debug, PartialEq, Eq, Serialize, Deserialize)]
|
||||
pub struct Header(#[serde(with="bytes")] pub Vec<u8>);
|
||||
|
||||
/// Hash used to refer to proof of block header.
|
||||
pub type ProofHash = ::hash::H256;
|
||||
|
||||
/// Raw proof data.
|
||||
#[derive(Debug, PartialEq, Eq, Serialize, Deserialize)]
|
||||
pub struct RawProof(#[serde(with="bytes")] pub Vec<u8>);
|
||||
|
||||
impl RawProof {
|
||||
/// Compute and store the hash of the proof.
|
||||
pub fn into_proof(self) -> Proof {
|
||||
let hash = ::hash(&self.0);
|
||||
Proof(self, hash)
|
||||
}
|
||||
}
|
||||
|
||||
/// Parachain proof data.
|
||||
#[derive(Debug, PartialEq, Eq, Serialize, Deserialize)]
|
||||
pub struct Proof(RawProof, ProofHash);
|
||||
|
||||
impl Proof {
|
||||
/// Get raw proof data.
|
||||
pub fn raw(&self) -> &RawProof { &self.0 }
|
||||
|
||||
/// Get hash of proof data.
|
||||
pub fn hash(&self) -> &ProofHash { &self.1 }
|
||||
|
||||
/// Decompose the proof back into raw data and hash.
|
||||
pub fn into_inner(self) -> (RawProof, ProofHash) {
|
||||
(self.0, self.1)
|
||||
}
|
||||
}
|
||||
|
||||
/// Parachain validation code.
|
||||
#[derive(Debug, PartialEq, Eq, Serialize, Deserialize)]
|
||||
pub struct ValidationCode(#[serde(with="bytes")] pub Vec<u8>);
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
use polkadot_serializer as ser;
|
||||
|
||||
#[test]
|
||||
fn test_proof_serialization() {
|
||||
assert_eq!(
|
||||
ser::to_string_pretty(&Proof(RawProof(vec![1,2,3]), 5.into())),
|
||||
r#"[
|
||||
"0x010203",
|
||||
"0x0000000000000000000000000000000000000000000000000000000000000005"
|
||||
]"#
|
||||
)
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,104 @@
|
||||
// Copyright 2017 Parity Technologies (UK) Ltd.
|
||||
// This file is part of Polkadot.
|
||||
|
||||
// Polkadot 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.
|
||||
|
||||
// Polkadot 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 Polkadot. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
//! Validator primitives.
|
||||
|
||||
use bytes;
|
||||
|
||||
/// Parachain incoming messages.
|
||||
#[derive(Debug, PartialEq, Eq, Serialize, Deserialize)]
|
||||
pub struct IngressPosts(#[serde(with="bytes")] pub Vec<u8>);
|
||||
|
||||
/// Parachain incoming messages delta.
|
||||
#[derive(Debug, PartialEq, Eq, Serialize, Deserialize)]
|
||||
pub struct IngressPostsDelta(#[serde(with="bytes")] pub Vec<u8>);
|
||||
|
||||
/// Parachain outgoing messages.
|
||||
#[derive(Debug, PartialEq, Eq, Serialize, Deserialize)]
|
||||
pub struct EgressPosts(#[serde(with="bytes")] pub Vec<u8>);
|
||||
|
||||
/// Validity result of particular proof and ingress queue.
|
||||
#[derive(Debug, PartialEq, Eq, Serialize, Deserialize)]
|
||||
#[serde(tag="type", content="data")]
|
||||
pub enum ProofValidity {
|
||||
/// The proof is invalid.
|
||||
#[serde(rename="invalid")]
|
||||
Invalid,
|
||||
#[serde(rename="valid")]
|
||||
/// The proof is processed and new egress queue is created.
|
||||
/// Also includes current ingress queue delta.
|
||||
Valid(IngressPostsDelta, EgressPosts),
|
||||
}
|
||||
|
||||
impl ProofValidity {
|
||||
/// The proof is valid.
|
||||
pub fn is_valid(&self) -> bool {
|
||||
match *self {
|
||||
ProofValidity::Invalid => false,
|
||||
ProofValidity::Valid(..) => true,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl From<Option<(IngressPostsDelta, EgressPosts)>> for ProofValidity {
|
||||
fn from(posts: Option<(IngressPostsDelta, EgressPosts)>) -> Self {
|
||||
match posts {
|
||||
Some((delta, posts)) => ProofValidity::Valid(delta, posts),
|
||||
None => ProofValidity::Invalid,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// TODO [ToDr] This shouldn't be here!
|
||||
/// Validator logic.
|
||||
pub trait Validator {
|
||||
/// Validation error.
|
||||
type Error: ::std::error::Error;
|
||||
|
||||
/// Validates if the provided proof holds given a current ingress queue.
|
||||
///
|
||||
/// In case of success produces egress posts.
|
||||
fn validate(
|
||||
&self,
|
||||
messages: &IngressPosts,
|
||||
proof: &::parachain::Proof,
|
||||
code: &[u8],
|
||||
) -> Result<ProofValidity, Self::Error>;
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
use polkadot_serializer as ser;
|
||||
|
||||
#[test]
|
||||
fn test_proof_validity_serialization() {
|
||||
assert_eq!(
|
||||
ser::to_string_pretty(&ProofValidity::Invalid),
|
||||
r#"{
|
||||
"type": "invalid"
|
||||
}"#);
|
||||
assert_eq!(
|
||||
ser::to_string_pretty(&ProofValidity::Valid(IngressPostsDelta(vec![1]), EgressPosts(vec![1, 2, 3]))),
|
||||
r#"{
|
||||
"type": "valid",
|
||||
"data": [
|
||||
"0x01",
|
||||
"0x010203"
|
||||
]
|
||||
}"#);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
[package]
|
||||
name = "polkadot-validator"
|
||||
version = "0.1.0"
|
||||
authors = ["Parity Team <admin@parity.io>"]
|
||||
|
||||
[dependencies]
|
||||
error-chain = "0.11"
|
||||
polkadot-primitives = { path = "../primitives", version = "0.1" }
|
||||
polkadot-serializer = { path = "../serializer", version = "0.1" }
|
||||
serde = "1.0"
|
||||
@@ -0,0 +1,33 @@
|
||||
// Copyright 2017 Parity Technologies (UK) Ltd.
|
||||
// This file is part of Polkadot.
|
||||
|
||||
// Polkadot 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.
|
||||
|
||||
// Polkadot 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 Polkadot. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
use serializer;
|
||||
|
||||
error_chain! {
|
||||
foreign_links {
|
||||
Serialization(serializer::Error);
|
||||
}
|
||||
errors {
|
||||
Timeout {
|
||||
description("Validation task has timed-out."),
|
||||
display("Validation timeout."),
|
||||
}
|
||||
InvalidCode(details: String) {
|
||||
description("The code is invalid."),
|
||||
display("invalid code: '{}'", details),
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,33 @@
|
||||
// Copyright 2017 Parity Technologies (UK) Ltd.
|
||||
// This file is part of Polkadot.
|
||||
|
||||
// Polkadot 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.
|
||||
|
||||
// Polkadot 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 Polkadot. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
//! Validator implementation.
|
||||
|
||||
#[warn(missing_docs)]
|
||||
|
||||
extern crate polkadot_primitives as primitives;
|
||||
extern crate polkadot_serializer as serializer;
|
||||
extern crate serde;
|
||||
|
||||
#[macro_use]
|
||||
extern crate error_chain;
|
||||
|
||||
mod error;
|
||||
mod parachains;
|
||||
mod validator;
|
||||
|
||||
pub use error::{Error, ErrorKind, Result};
|
||||
pub use validator::Validator;
|
||||
@@ -0,0 +1,46 @@
|
||||
// Copyright 2017 Parity Technologies (UK) Ltd.
|
||||
// This file is part of Polkadot.
|
||||
|
||||
// Polkadot 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.
|
||||
|
||||
// Polkadot 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 Polkadot. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
use std::fmt;
|
||||
|
||||
use primitives::validator;
|
||||
use serde::de::DeserializeOwned;
|
||||
|
||||
/// Parachain code implementation.
|
||||
pub trait ParachainCode: fmt::Debug {
|
||||
/// Deserialized messages type.
|
||||
type Messages: DeserializeOwned;
|
||||
/// Deserialized proof type.
|
||||
type Proof: DeserializeOwned;
|
||||
|
||||
/// Given decoded messages and proof validate it and return egress posts.
|
||||
fn check(&self, messages: Self::Messages, proof: Self::Proof) ->
|
||||
Option<(validator::IngressPostsDelta, validator::EgressPosts)>;
|
||||
}
|
||||
|
||||
/// Dummy implementation of the first parachain validation.
|
||||
#[derive(Debug)]
|
||||
pub struct ParaChain1;
|
||||
|
||||
impl ParachainCode for ParaChain1 {
|
||||
type Messages = ();
|
||||
type Proof = ();
|
||||
|
||||
fn check(&self, _messages: Self::Messages, _proof: Self::Proof)
|
||||
-> Option<(validator::IngressPostsDelta, validator::EgressPosts)> {
|
||||
None
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,79 @@
|
||||
// Copyright 2017 Parity Technologies (UK) Ltd.
|
||||
// This file is part of Polkadot.
|
||||
|
||||
// Polkadot 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.
|
||||
|
||||
// Polkadot 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 Polkadot. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
use std::fmt;
|
||||
|
||||
use primitives::{validator, parachain};
|
||||
use serde::de::DeserializeOwned;
|
||||
use serializer;
|
||||
|
||||
use error::{Error, ErrorKind, Result};
|
||||
use parachains::{ParachainCode, ParaChain1};
|
||||
|
||||
/// A dummy validator implementation.
|
||||
#[derive(Debug)]
|
||||
pub struct Validator {
|
||||
codes: Vec<Box<Code>>,
|
||||
}
|
||||
|
||||
impl Validator {
|
||||
/// Create a new validator.
|
||||
pub fn new() -> Self {
|
||||
Validator {
|
||||
codes: vec![
|
||||
Box::new(ParaChain1) as Box<Code>
|
||||
],
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl validator::Validator for Validator {
|
||||
type Error = Error;
|
||||
|
||||
fn validate(
|
||||
&self,
|
||||
messages: &validator::IngressPosts,
|
||||
proof: ¶chain::Proof,
|
||||
code: &[u8],
|
||||
) -> Result<validator::ProofValidity> {
|
||||
ensure!(code.len() == 1, ErrorKind::InvalidCode(format!("The code should be a single byte.")));
|
||||
|
||||
match self.codes.get(code[0] as usize) {
|
||||
Some(code) => code.check(messages, proof),
|
||||
None => bail!(ErrorKind::InvalidCode(format!("Unknown parachain code."))),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Simplified parachain code verification
|
||||
trait Code: fmt::Debug {
|
||||
/// Given bytes of messages and proof determine if the proof is valid and return egress posts.
|
||||
fn check(&self, messages: &validator::IngressPosts, proof: ¶chain::Proof) -> Result<validator::ProofValidity>;
|
||||
}
|
||||
|
||||
impl<M, P, T> Code for T where
|
||||
M: DeserializeOwned,
|
||||
P: DeserializeOwned,
|
||||
T: ParachainCode<Messages=M, Proof=P>,
|
||||
{
|
||||
fn check(&self, messages: &validator::IngressPosts, proof: ¶chain::Proof) -> Result<validator::ProofValidity> {
|
||||
let messages = serializer::from_slice(&messages.0)?;
|
||||
let proof = serializer::from_slice(&proof.raw().0)?;
|
||||
|
||||
Ok(self.check(messages, proof).into())
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user