openethereum/json/src/spec/spec.rs
Gav Wood 8404edb656 Fix whitespace (#4299)
* Fix whitespace.

* Update copyright years/owner.

* Push release only for tags.
2017-01-25 18:51:41 +01:00

115 lines
3.8 KiB
Rust

// Copyright 2015-2017 Parity Technologies (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
//! Spec deserialization.
use std::io::Read;
use serde_json;
use serde_json::Error;
use spec::{Params, Genesis, Engine, State};
/// Spec deserialization.
#[derive(Debug, PartialEq, Deserialize)]
pub struct Spec {
/// Spec name.
pub name: String,
/// Special fork name.
#[serde(rename="dataDir")]
pub data_dir: Option<String>,
/// Engine.
pub engine: Engine,
/// Spec params.
pub params: Params,
/// Genesis header.
pub genesis: Genesis,
/// Genesis state.
pub accounts: State,
/// Boot nodes.
pub nodes: Option<Vec<String>>,
}
impl Spec {
/// Loads test from json.
pub fn load<R>(reader: R) -> Result<Self, Error> where R: Read {
serde_json::from_reader(reader)
}
}
#[cfg(test)]
mod tests {
use serde_json;
use spec::spec::Spec;
#[test]
fn spec_deserialization() {
let s = r#"{
"name": "Morden",
"dataDir": "morden",
"engine": {
"Ethash": {
"params": {
"gasLimitBoundDivisor": "0x0400",
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x0d",
"blockReward": "0x4563918244F40000",
"registrar" : "0xc6d9d2cd449a754c494264e1809c50e34d64562b",
"homesteadTransition" : "0x",
"daoHardforkTransition": "0xffffffffffffffff",
"daoHardforkBeneficiary": "0x0000000000000000000000000000000000000000",
"daoHardforkAccounts": []
}
}
},
"params": {
"accountStartNonce": "0x0100000",
"homesteadTransition": "0x789b0",
"maximumExtraDataSize": "0x20",
"minGasLimit": "0x1388",
"networkID" : "0x2",
"forkBlock": "0xffffffffffffffff",
"forkCanonHash": "0x0000000000000000000000000000000000000000000000000000000000000000"
},
"genesis": {
"seal": {
"ethereum": {
"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"nonce": "0x00006d6f7264656e"
}
},
"difficulty": "0x20000",
"author": "0x0000000000000000000000000000000000000000",
"timestamp": "0x00",
"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"extraData": "0x",
"gasLimit": "0x2fefd8"
},
"nodes": [
"enode://b1217cbaa440e35ed471157123fe468e19e8b5ad5bedb4b1fdbcbdab6fb2f5ed3e95dd9c24a22a79fdb2352204cea207df27d92bfd21bfd41545e8b16f637499@104.44.138.37:30303"
],
"accounts": {
"0000000000000000000000000000000000000001": { "balance": "1", "nonce": "1048576", "builtin": { "name": "ecrecover", "pricing": { "linear": { "base": 3000, "word": 0 } } } },
"0000000000000000000000000000000000000002": { "balance": "1", "nonce": "1048576", "builtin": { "name": "sha256", "pricing": { "linear": { "base": 60, "word": 12 } } } },
"0000000000000000000000000000000000000003": { "balance": "1", "nonce": "1048576", "builtin": { "name": "ripemd160", "pricing": { "linear": { "base": 600, "word": 120 } } } },
"0000000000000000000000000000000000000004": { "balance": "1", "nonce": "1048576", "builtin": { "name": "identity", "pricing": { "linear": { "base": 15, "word": 3 } } } },
"102e61f5d8f9bc71d0ad4a084df4e65e05ce0e1c": { "balance": "1606938044258990275541962092341162602522202993782792835301376", "nonce": "1048576" }
}
}"#;
let _deserialized: Spec = serde_json::from_str(s).unwrap();
// TODO: validate all fields
}
}