proper blockchain json parsing

This commit is contained in:
debris 2016-03-15 18:17:48 +01:00
parent e5f54966af
commit d96858d38c
17 changed files with 656 additions and 0 deletions

13
Cargo.lock generated
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@ -11,6 +11,7 @@ dependencies = [
"ethcore-devtools 1.1.0", "ethcore-devtools 1.1.0",
"ethcore-rpc 1.1.0", "ethcore-rpc 1.1.0",
"ethcore-util 1.1.0", "ethcore-util 1.1.0",
"ethjson 0.1.0",
"ethminer 1.1.0", "ethminer 1.1.0",
"ethsync 1.1.0", "ethsync 1.1.0",
"fdlimit 0.1.0", "fdlimit 0.1.0",
@ -286,6 +287,18 @@ dependencies = [
"vergen 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)", "vergen 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
] ]
[[package]]
name = "ethjson"
version = "0.1.0"
dependencies = [
"ethcore-util 1.1.0",
"rustc-serialize 0.3.18 (registry+https://github.com/rust-lang/crates.io-index)",
"serde 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
"serde_codegen 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
"serde_json 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
"syntex 0.29.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]] [[package]]
name = "ethminer" name = "ethminer"
version = "1.1.0" version = "1.1.0"

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@ -27,6 +27,7 @@ ethsync = { path = "sync" }
ethminer = { path = "miner" } ethminer = { path = "miner" }
ethcore-devtools = { path = "devtools" } ethcore-devtools = { path = "devtools" }
ethcore-rpc = { path = "rpc", optional = true } ethcore-rpc = { path = "rpc", optional = true }
ethjson = { path = "json" }
[features] [features]
default = ["rpc"] default = ["rpc"]

21
json/Cargo.toml Normal file
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@ -0,0 +1,21 @@
[package]
name = "ethjson"
version = "0.1.0"
authors = ["debris <marek.kotewicz@gmail.com>"]
build = "build.rs"
[dependencies]
ethcore-util = { path = "../util" }
rustc-serialize = "0.3"
serde = "0.7.0"
serde_json = "0.7.0"
serde_macros = { version = "0.7.0", optional = true }
clippy = { version = "0.0.50", optional = true }
[build-dependencies]
serde_codegen = { version = "0.7.0", optional = true }
syntex = "0.29.0"
[features]
default = ["serde_codegen"]
nightly = ["serde_macros"]

45
json/build.rs Normal file
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@ -0,0 +1,45 @@
// Copyright 2015, 2016 Ethcore (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
#[cfg(not(feature = "serde_macros"))]
mod inner {
extern crate syntex;
extern crate serde_codegen;
use std::env;
use std::path::Path;
pub fn main() {
let out_dir = env::var_os("OUT_DIR").unwrap();
let src = Path::new("src/lib.rs.in");
let dst = Path::new(&out_dir).join("lib.rs");
let mut registry = syntex::Registry::new();
serde_codegen::register(&mut registry);
registry.expand("", &src, &dst).unwrap();
}
}
#[cfg(feature = "serde_macros")]
mod inner {
pub fn main() {}
}
fn main() {
inner::main();
}

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@ -0,0 +1,30 @@
// Copyright 2015, 2016 Ethcore (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/>.
//! Blockchain test account deserializer.
use std::collections::BTreeMap;
use uint::Uint;
use bytes::Bytes;
/// Blockchain test account deserializer.
#[derive(Debug, PartialEq, Deserialize)]
pub struct Account {
balance: Uint,
code: Bytes,
nonce: Uint,
storage: BTreeMap<Uint, Bytes>,
}

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@ -0,0 +1,35 @@
// Copyright 2015, 2016 Ethcore (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/>.
//! Blockchain test block deserializer.
use uint::Uint;
use bytes::Bytes;
use blockchain::header::Header;
use blockchain::transaction::Transaction;
/// Blockchain test block deserializer.
#[derive(Debug, PartialEq, Deserialize)]
pub struct Block {
#[serde(rename="blockHeader")]
header: Header,
#[serde(rename="blocknumber")]
number: Uint,
rlp: Bytes,
transactions: Vec<Transaction>,
#[serde(rename="uncleHeaders")]
uncles: Vec<Header>,
}

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@ -0,0 +1,35 @@
// Copyright 2015, 2016 Ethcore (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/>.
//! Blockchain deserialization.
use bytes::Bytes;
use blockchain::state::State;
use blockchain::header::Header;
/// Blockchain deserialization.
#[derive(Debug, PartialEq, Deserialize)]
pub struct BlockChain {
#[serde(rename="genesisBlockHeader")]
genesis_block: Header,
#[serde(rename="genesisRLP")]
genesis_rlp: Bytes,
blocks: Vec<Header>,
#[serde(rename="postState")]
post_state: State,
#[serde(rename="preState")]
pre_state: State,
}

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@ -0,0 +1,51 @@
// Copyright 2015, 2016 Ethcore (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/>.
//! Blockchain test header deserializer.
use hash::Hash;
use uint::Uint;
use bytes::Bytes;
/// Blockchain test header deserializer.
#[derive(Debug, PartialEq, Deserialize)]
pub struct Header {
bloom: Hash, // TODO Bloom
coinbase: Hash,
difficulty: Uint,
#[serde(rename="extraData")]
extra_data: Bytes,
#[serde(rename="gasLimit")]
gas_limit: Uint,
#[serde(rename="gasUsed")]
gas_used: Uint,
hash: Hash,
#[serde(rename="mixHash")]
mix_hash: Hash,
nonce: Uint, // TODO fix parsing
number: Uint,
#[serde(rename="parentHash")]
parent_hash: Hash,
#[serde(rename="receiptTrie")]
receipt_trie: Hash,
#[serde(rename="stateRoot")]
state_root: Hash,
timestamp: Uint,
#[serde(rename="transactionsTrie")]
transactions_trie: Hash,
#[serde(rename="uncleHash")]
uncle_hash: Hash,
}

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@ -0,0 +1,25 @@
// Copyright 2015, 2016 Ethcore (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/>.
//! Blockchain test deserialization.
pub mod account;
pub mod block;
pub mod blockchain;
pub mod header;
pub mod state;
pub mod transaction;
pub mod test;

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@ -0,0 +1,34 @@
// Copyright 2015, 2016 Ethcore (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/>.
//! Blockchain test state deserializer.
use std::collections::BTreeMap;
use std::ops::Deref;
use hash::Hash;
use blockchain::account::Account;
/// Blockchain test state deserializer.
#[derive(Debug, PartialEq, Deserialize)]
pub struct State(BTreeMap<Hash, Account>);
impl Deref for State {
type Target = BTreeMap<Hash, Account>;
fn deref(&self) -> &Self::Target {
&self.0
}
}

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@ -0,0 +1,32 @@
// Copyright 2015, 2016 Ethcore (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/>.
//! Blockchain test deserializer.
use std::collections::BTreeMap;
use std::ops::Deref;
use blockchain::blockchain::BlockChain;
/// Blockchain test deserializer.
pub struct Test(BTreeMap<String, BlockChain>);
impl Deref for Test {
type Target = BTreeMap<String, BlockChain>;
fn deref(&self) -> &Self::Target {
&self.0
}
}

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@ -0,0 +1,35 @@
// Copyright 2015, 2016 Ethcore (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/>.
//! Blockchain test transaction deserialization.
use uint::Uint;
use bytes::Bytes;
/// Blockchain test transaction deserialization.
#[derive(Debug, PartialEq, Deserialize)]
pub struct Transaction {
data: Bytes,
#[serde(rename="gasLimit")]
gas_limit: Uint,
#[serde(rename="gasPrice")]
gas_price: Uint,
nonce: Uint,
r: Uint,
s: Uint,
v: Uint,
value: Uint
}

81
json/src/bytes.rs Normal file
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@ -0,0 +1,81 @@
// Copyright 2015, 2016 Ethcore (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/>.
//! Lenient bytes json deserialization for test json files.
use rustc_serialize::hex::FromHex;
use serde::{Deserialize, Deserializer, Error};
use serde::de::Visitor;
/// Lenient bytes json deserialization for test json files.
#[derive(Default, Debug, PartialEq)]
pub struct Bytes(Vec<u8>);
impl Into<Vec<u8>> for Bytes {
fn into(self) -> Vec<u8> {
self.0
}
}
impl Deserialize for Bytes {
fn deserialize<D>(deserializer: &mut D) -> Result<Self, D::Error>
where D: Deserializer {
deserializer.deserialize(BytesVisitor)
}
}
struct BytesVisitor;
impl Visitor for BytesVisitor {
type Value = Bytes;
fn visit_str<E>(&mut self, value: &str) -> Result<Self::Value, E> where E: Error {
let v = match value.len() {
0 => vec![],
2 if value.starts_with("0x") => vec![],
_ if value.starts_with("0x") => try!(FromHex::from_hex(&value[2..]).map_err(|_| Error::custom("Invalid hex value."))),
_ => try!(FromHex::from_hex(value).map_err(|_| Error::custom("Invalid hex value")))
};
Ok(Bytes(v))
}
fn visit_string<E>(&mut self, value: String) -> Result<Self::Value, E> where E: Error {
self.visit_str(value.as_ref())
}
}
#[cfg(test)]
//mod test {
//use std::str::FromStr;
//use serde_json;
//use util::hash::H256;
//use hash::Hash;
//#[test]
//fn uint_deserialization() {
//let s = r#"["", "5a39ed1020c04d4d84539975b893a4e7c53eab6c2965db8bc3468093a31bc5ae"]"#;
//let deserialized: Vec<Hash> = serde_json::from_str(s).unwrap();
//assert_eq!(deserialized, vec![
//Hash(H256::from(0)),
//Hash(H256::from_str("5a39ed1020c04d4d84539975b893a4e7c53eab6c2965db8bc3468093a31bc5ae").unwrap())
//]);
//}
//#[test]
//fn uint_into() {
//assert_eq!(H256::from(0), Hash(H256::from(0)).into());
//}
//}

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json/src/hash.rs Normal file
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@ -0,0 +1,81 @@
// Copyright 2015, 2016 Ethcore (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/>.
//! Lenient hash json deserialization for test json files.
use std::str::FromStr;
use serde::{Deserialize, Deserializer, Error};
use serde::de::Visitor;
use util::hash::H256;
/// Lenient hash json deserialization for test json files.
#[derive(Default, Debug, PartialEq, Eq, Hash, PartialOrd, Ord)]
pub struct Hash(H256);
impl Into<H256> for Hash {
fn into(self) -> H256 {
self.0
}
}
impl Deserialize for Hash {
fn deserialize<D>(deserializer: &mut D) -> Result<Self, D::Error>
where D: Deserializer {
deserializer.deserialize(HashVisitor)
}
}
struct HashVisitor;
impl Visitor for HashVisitor {
type Value = Hash;
fn visit_str<E>(&mut self, value: &str) -> Result<Self::Value, E> where E: Error {
let value = match value.len() {
0 => H256::from(0),
_ => try!(H256::from_str(value).map_err(|_| Error::custom("invalid hex value.")))
};
Ok(Hash(value))
}
fn visit_string<E>(&mut self, value: String) -> Result<Self::Value, E> where E: Error {
self.visit_str(value.as_ref())
}
}
#[cfg(test)]
mod test {
use std::str::FromStr;
use serde_json;
use util::hash::H256;
use hash::Hash;
#[test]
fn uint_deserialization() {
let s = r#"["", "5a39ed1020c04d4d84539975b893a4e7c53eab6c2965db8bc3468093a31bc5ae"]"#;
let deserialized: Vec<Hash> = serde_json::from_str(s).unwrap();
assert_eq!(deserialized, vec![
Hash(H256::from(0)),
Hash(H256::from_str("5a39ed1020c04d4d84539975b893a4e7c53eab6c2965db8bc3468093a31bc5ae").unwrap())
]);
}
#[test]
fn uint_into() {
assert_eq!(H256::from(0), Hash(H256::from(0)).into());
}
}

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json/src/lib.rs Normal file
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@ -0,0 +1,28 @@
// Copyright 2015, 2016 Ethcore (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/>.
//! Json deserialization module.
#![warn(missing_docs)]
#![cfg_attr(feature="nightly", feature(custom_derive, custom_attribute, plugin))]
#![cfg_attr(feature="nightly", plugin(serde_macros, clippy))]
#[cfg(feature = "serde_macros")]
include!("lib.rs.in");
#[cfg(not(feature = "serde_macros"))]
include!(concat!(env!("OUT_DIR"), "/lib.rs"));

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json/src/lib.rs.in Normal file
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@ -0,0 +1,25 @@
// Copyright 2015, 2016 Ethcore (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
extern crate rustc_serialize;
extern crate serde;
extern crate serde_json;
extern crate ethcore_util as util;
pub mod hash;
pub mod uint;
pub mod bytes;
pub mod blockchain;

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json/src/uint.rs Normal file
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@ -0,0 +1,84 @@
// Copyright 2015, 2016 Ethcore (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/>.
//! Lenient uint json deserialization for test json files.
use std::str::FromStr;
use serde::{Deserialize, Deserializer, Error};
use serde::de::Visitor;
use util::numbers::{U256, Uint as U};
/// Lenient uint json deserialization for test json files.
#[derive(Default, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct Uint(U256);
impl Into<U256> for Uint {
fn into(self) -> U256 {
self.0
}
}
impl Deserialize for Uint {
fn deserialize<D>(deserializer: &mut D) -> Result<Self, D::Error>
where D: Deserializer {
deserializer.deserialize(UintVisitor)
}
}
struct UintVisitor;
impl Visitor for UintVisitor {
type Value = Uint;
fn visit_str<E>(&mut self, value: &str) -> Result<Self::Value, E> where E: Error {
let value = match value.len() {
0 => U256::from(0),
2 if value.starts_with("0x") => U256::from(0),
_ if value.starts_with("0x") => try!(U256::from_str(&value[2..]).map_err(|_| Error::custom("invalid hex value."))),
_ => try!(U256::from_dec_str(value).map_err(|_| Error::custom("invalid decimal value.")))
};
Ok(Uint(value))
}
fn visit_string<E>(&mut self, value: String) -> Result<Self::Value, E> where E: Error {
self.visit_str(value.as_ref())
}
}
#[cfg(test)]
mod test {
use serde_json;
use util::numbers::U256;
use uint::Uint;
#[test]
fn uint_deserialization() {
let s = r#"["0xa", "10", "", "0x"]"#;
let deserialized: Vec<Uint> = serde_json::from_str(s).unwrap();
assert_eq!(deserialized, vec![
Uint(U256::from(10)),
Uint(U256::from(10)),
Uint(U256::from(0)),
Uint(U256::from(0))
]);
}
#[test]
fn uint_into() {
assert_eq!(U256::from(10), Uint(U256::from(10)).into());
}
}