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use std::io::Read;
use serde_json;
use serde_json::Error;
use spec::{Params, Genesis, Engine, State, HardcodedSync};
#[derive(Debug, PartialEq, Deserialize)]
pub struct Spec {
pub name: String,
#[serde(rename="dataDir")]
pub data_dir: Option<String>,
pub engine: Engine,
pub params: Params,
pub genesis: Genesis,
pub accounts: State,
pub nodes: Option<Vec<String>>,
#[serde(rename="hardcodedSync")]
pub hardcoded_sync: Option<HardcodedSync>,
}
impl Spec {
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": {
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x0d",
"homesteadTransition" : "0x",
"daoHardforkTransition": "0xffffffffffffffff",
"daoHardforkBeneficiary": "0x0000000000000000000000000000000000000000",
"daoHardforkAccounts": []
}
}
},
"params": {
"accountStartNonce": "0x0100000",
"homesteadTransition": "0x789b0",
"maximumExtraDataSize": "0x20",
"minGasLimit": "0x1388",
"networkID" : "0x2",
"forkBlock": "0xffffffffffffffff",
"forkCanonHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"gasLimitBoundDivisor": "0x20"
},
"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" }
},
"hardcodedSync": {
"header": "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",
"totalDifficulty": "0x400000000",
"CHTs": [
"0x11bbe8db4e347b4e8c937c1c8370e4b5ed33adb3db69cbdb7a38e1e50b1b82fa",
"0xd7f8974fb5ac78d9ac099b9ad5018bedc2ce0a72dad1827a1709da30580f0544"
]
}
}"#;
let _deserialized: Spec = serde_json::from_str(s).unwrap();
}
}