241 lines
6.9 KiB
Rust
241 lines
6.9 KiB
Rust
// Copyright 2015-2020 Parity Technologies (UK) Ltd.
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// This file is part of OpenEthereum.
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// OpenEthereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// OpenEthereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with OpenEthereum. If not, see <http://www.gnu.org/licenses/>.
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//! Spec deserialization.
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use crate::spec::{Engine, Genesis, Params, State};
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use serde_json::{self, Error};
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use std::io::Read;
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/// Fork spec definition
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#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Deserialize)]
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pub enum ForkSpec {
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EIP150,
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EIP158,
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Frontier,
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Homestead,
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Byzantium,
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Constantinople,
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ConstantinopleFix,
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Istanbul,
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EIP158ToByzantiumAt5,
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FrontierToHomesteadAt5,
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HomesteadToDaoAt5,
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HomesteadToEIP150At5,
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ByzantiumToConstantinopleAt5,
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ByzantiumToConstantinopleFixAt5,
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Berlin,
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London,
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}
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/// Spec deserialization.
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#[derive(Debug, PartialEq, Deserialize)]
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#[serde(deny_unknown_fields)]
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#[serde(rename_all = "camelCase")]
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pub struct Spec {
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/// Spec name.
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pub name: String,
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/// Special fork name.
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pub data_dir: Option<String>,
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/// Engine.
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pub engine: Engine,
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/// Spec params.
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pub params: Params,
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/// Genesis header.
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pub genesis: Genesis,
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/// Genesis state.
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pub accounts: State,
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/// Boot nodes.
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pub nodes: Option<Vec<String>>,
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}
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impl Spec {
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/// Loads test from json.
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pub fn load<R>(reader: R) -> Result<Self, Error>
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where
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R: Read,
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{
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serde_json::from_reader(reader)
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}
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}
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#[cfg(test)]
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mod tests {
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use crate::spec::spec::Spec;
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use serde_json;
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#[test]
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fn should_error_on_unknown_fields() {
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let s = r#"{
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"name": "Morden",
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"dataDir": "morden",
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"engine": {
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"Ethash": {
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"params": {
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"minimumDifficulty": "0x020000",
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"difficultyBoundDivisor": "0x0800",
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"durationLimit": "0x0d",
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"homesteadTransition" : "0x",
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"daoHardforkTransition": "0xffffffffffffffff",
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"daoHardforkBeneficiary": "0x0000000000000000000000000000000000000000",
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"daoHardforkAccounts": []
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}
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}
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},
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"params": {
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"accountStartNonce": "0x0100000",
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"maximumExtraDataSize": "0x20",
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"minGasLimit": "0x1388",
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"networkID" : "0x2",
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"forkBlock": "0xffffffffffffffff",
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"forkCanonHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
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"gasLimitBoundDivisor": "0x20",
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"unknownField": "0x0"
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},
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"genesis": {
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"seal": {
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"ethereum": {
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"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
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"nonce": "0x00006d6f7264656e"
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}
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},
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"difficulty": "0x20000",
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"author": "0x0000000000000000000000000000000000000000",
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"timestamp": "0x00",
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"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
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"extraData": "0x",
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"gasLimit": "0x2fefd8"
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},
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"nodes": [
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"enode://b1217cbaa440e35ed471157123fe468e19e8b5ad5bedb4b1fdbcbdab6fb2f5ed3e95dd9c24a22a79fdb2352204cea207df27d92bfd21bfd41545e8b16f637499@104.44.138.37:30303"
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],
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"accounts": {
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"0000000000000000000000000000000000000001": { "balance": "1", "nonce": "1048576", "builtin": { "name": "ecrecover", "pricing": { "linear": { "base": 3000, "word": 0 } } } },
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"0000000000000000000000000000000000000002": { "balance": "1", "nonce": "1048576", "builtin": { "name": "sha256", "pricing": { "linear": { "base": 60, "word": 12 } } } },
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"0000000000000000000000000000000000000003": { "balance": "1", "nonce": "1048576", "builtin": { "name": "ripemd160", "pricing": { "linear": { "base": 600, "word": 120 } } } },
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"0000000000000000000000000000000000000004": { "balance": "1", "nonce": "1048576", "builtin": { "name": "identity", "pricing": { "linear": { "base": 15, "word": 3 } } } },
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"102e61f5d8f9bc71d0ad4a084df4e65e05ce0e1c": { "balance": "1606938044258990275541962092341162602522202993782792835301376", "nonce": "1048576" }
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}
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}"#;
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let result: Result<Spec, _> = serde_json::from_str(s);
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assert!(result.is_err());
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}
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#[test]
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fn spec_deserialization() {
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let s = r#"{
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"name": "Morden",
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"dataDir": "morden",
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"engine": {
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"Ethash": {
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"params": {
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"minimumDifficulty": "0x020000",
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"difficultyBoundDivisor": "0x0800",
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"durationLimit": "0x0d",
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"homesteadTransition" : "0x",
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"daoHardforkTransition": "0xffffffffffffffff",
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"daoHardforkBeneficiary": "0x0000000000000000000000000000000000000000",
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"daoHardforkAccounts": []
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}
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}
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},
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"params": {
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"accountStartNonce": "0x0100000",
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"maximumExtraDataSize": "0x20",
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"minGasLimit": "0x1388",
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"networkID" : "0x2",
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"forkBlock": "0xffffffffffffffff",
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"forkCanonHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
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"gasLimitBoundDivisor": "0x20"
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},
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"genesis": {
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"seal": {
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"ethereum": {
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"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
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"nonce": "0x00006d6f7264656e"
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}
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},
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"difficulty": "0x20000",
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"author": "0x0000000000000000000000000000000000000000",
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"timestamp": "0x00",
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"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
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"extraData": "0x",
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"gasLimit": "0x2fefd8"
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},
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"nodes": [
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"enode://b1217cbaa440e35ed471157123fe468e19e8b5ad5bedb4b1fdbcbdab6fb2f5ed3e95dd9c24a22a79fdb2352204cea207df27d92bfd21bfd41545e8b16f637499@104.44.138.37:30303"
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],
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"accounts": {
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"0000000000000000000000000000000000000001": {
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"balance": "1",
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"nonce": "1048576",
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"builtin": {
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"name": "ecrecover",
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"pricing": {
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"linear": {
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"base": 3000,
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"word": 0
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}
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}
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}
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},
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"0000000000000000000000000000000000000002": {
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"balance": "1",
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"nonce": "1048576",
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"builtin": {
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"name": "sha256",
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"pricing": {
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"linear": {
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"base": 60,
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"word": 12
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}
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}
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}
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},
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"0000000000000000000000000000000000000003": {
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"balance": "1",
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"nonce": "1048576",
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"builtin": {
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"name": "ripemd160",
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"pricing": {
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"linear": {
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"base": 600,
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"word": 120
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}
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}
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}
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},
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"0000000000000000000000000000000000000004": {
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"balance": "1",
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"nonce": "1048576",
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"builtin": {
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"name": "identity",
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"pricing": {
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"linear": {
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"base": 15,
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"word": 3
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}
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}
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}
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},
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"102e61f5d8f9bc71d0ad4a084df4e65e05ce0e1c": { "balance": "1606938044258990275541962092341162602522202993782792835301376", "nonce": "1048576" }
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}
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}"#;
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let _deserialized: Spec = serde_json::from_str(s).unwrap();
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// TODO: validate all fields
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}
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}
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