openethereum/json/src/spec/genesis.rs

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2016-03-17 13:41:11 +01:00
// 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/>.
//! Spec genesis deserialization.
use uint::Uint;
use hash::{Address, H256};
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use bytes::Bytes;
use spec::Seal;
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/// Spec genesis.
#[derive(Debug, PartialEq, Deserialize)]
pub struct Genesis {
/// Seal.
pub seal: Seal,
/// Difficulty.
pub difficulty: Uint,
/// Block author.
pub author: Address,
/// Block timestamp.
pub timestamp: Uint,
/// Parent hash.
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#[serde(rename="parentHash")]
pub parent_hash: H256,
/// Gas limit.
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#[serde(rename="gasLimit")]
pub gas_limit: Uint,
/// Transactions root.
#[serde(rename="transactionsRoot")]
pub transactions_root: Option<H256>,
/// Receipts root.
#[serde(rename="receiptsRoot")]
pub receipts_root: Option<H256>,
/// State root.
#[serde(rename="stateRoot")]
pub state_root: Option<H256>,
/// Gas used.
#[serde(rename="gasUsed")]
pub gas_used: Option<Uint>,
/// Extra data.
#[serde(rename="extraData")]
pub extra_data: Option<Bytes>,
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}
#[cfg(test)]
mod tests {
use serde_json;
use spec::genesis::Genesis;
#[test]
fn genesis_deserialization() {
let s = r#"{
"nonce": "0x0000000000000042",
"difficulty": "0x400000000",
"seal": {
"ethereum": {
"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"nonce": "0x00006d6f7264656e"
}
},
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"author": "0x0000000000000000000000000000000000000000",
"timestamp": "0x00",
"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"extraData": "0x11bbe8db4e347b4e8c937c1c8370e4b5ed33adb3db69cbdb7a38e1e50b1b82fa",
"gasLimit": "0x1388",
"stateRoot": "0xd7f8974fb5ac78d9ac099b9ad5018bedc2ce0a72dad1827a1709da30580f0544"
}"#;
let _deserialized: Genesis = serde_json::from_str(s).unwrap();
// TODO: validate all fields
}
}