openethereum/json/src/blockchain/blockchain.rs

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// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
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// 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 hash::H256;
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use blockchain::state::State;
use blockchain::header::Header;
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use blockchain::block::Block;
use spec::{Genesis, Seal, Ethereum};
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/// Blockchain deserialization.
#[derive(Debug, PartialEq, Deserialize)]
pub struct BlockChain {
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/// Genesis block header.
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#[serde(rename="genesisBlockHeader")]
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pub genesis_block: Header,
/// Genesis block rlp.
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#[serde(rename="genesisRLP")]
pub genesis_rlp: Option<Bytes>,
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/// Blocks.
pub blocks: Vec<Block>,
/// Post state.
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#[serde(rename="postState")]
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pub post_state: State,
/// Pre state.
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#[serde(rename="pre")]
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pub pre_state: State,
/// Hash of best block.
#[serde(rename="lastblockhash")]
pub best_block: H256
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}
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impl BlockChain {
/// Returns blocks rlp.
pub fn blocks_rlp(&self) -> Vec<Vec<u8>> {
self.blocks.iter().map(|block| block.rlp()).collect()
}
/// Returns spec compatible genesis struct.
pub fn genesis(&self) -> Genesis {
Genesis {
seal: Seal::Ethereum(Ethereum {
nonce: self.genesis_block.nonce.clone(),
mix_hash: self.genesis_block.mix_hash.clone(),
}),
difficulty: self.genesis_block.difficulty,
author: self.genesis_block.author.clone(),
timestamp: self.genesis_block.timestamp,
parent_hash: self.genesis_block.parent_hash.clone(),
gas_limit: self.genesis_block.gas_limit,
transactions_root: Some(self.genesis_block.transactions_root.clone()),
receipts_root: Some(self.genesis_block.receipts_root.clone()),
state_root: Some(self.genesis_block.state_root.clone()),
gas_used: Some(self.genesis_block.gas_used),
extra_data: Some(self.genesis_block.extra_data.clone()),
}
}
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}
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#[cfg(test)]
mod tests {
use serde_json;
use blockchain::blockchain::BlockChain;
#[test]
fn blockchain_deserialization() {
let s = r#"{
"blocks" : [{
"blockHeader" : {
"bloom" : "00000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020000000000000000000800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020000000000040000000000000000000000000000000000000000000000000000000",
"coinbase" : "8888f1f195afa192cfee860698584c030f4c9db1",
"difficulty" : "0x020000",
"extraData" : "0x0102030405060708091011121314151617181920212223242526272829303132",
"gasLimit" : "0x2fefba",
"gasUsed" : "0x560b",
"hash" : "06b5b1742bde29468510c92641f36b719c61b3fc3e9a21c92a23978f4f7faa2a",
"mixHash" : "5266ca43e81d25925a9ba573c3e4f9180bc076d316d90e63c6f8708b272f5ce2",
"nonce" : "59ba4daed1898e21",
"number" : "0x01",
"parentHash" : "f052d217bd5275a5177a3c3b7debdfe2670f1c8394b2965ccd5c1883cc1a524d",
"receiptTrie" : "c7778a7376099ee2e5c455791c1885b5c361b95713fddcbe32d97fd01334d296",
"stateRoot" : "bac6177a79e910c98d86ec31a09ae37ac2de15b754fd7bed1ba52362c49416bf",
"timestamp" : "0x56850c2c",
"transactionsTrie" : "498785da562aa0c5dd5937cf15f22139b0b1bcf3b4fc48986e1bb1dae9292796",
"uncleHash" : "1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
},
"rlp" : "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",
"transactions" : [
{
"data" : "0x",
"gasLimit" : "0xc350",
"gasPrice" : "0x0a",
"nonce" : "0x00",
"r" : "0xee0b9ec878fbd4258a9473199d8ecc32996a20c323c004e79e0cda20e0418ce3",
"s" : "0x4e6bc63927d1510bab54f37e46fa036faf4b2c465d271920d9afea1fadf7bd21",
"to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
"v" : "0x1c",
"value" : "0x012a05f200"
}
],
"uncleHeaders" : [
]
}],
"genesisBlockHeader" : {
"bloom" : "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"coinbase" : "8888f1f195afa192cfee860698584c030f4c9db1",
"difficulty" : "0x020000",
"extraData" : "0x42",
"gasLimit" : "0x2fefd8",
"gasUsed" : "0x00",
"hash" : "f052d217bd5275a5177a3c3b7debdfe2670f1c8394b2965ccd5c1883cc1a524d",
"mixHash" : "56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
"nonce" : "0102030405060708",
"number" : "0x00",
"parentHash" : "0000000000000000000000000000000000000000000000000000000000000000",
"receiptTrie" : "56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
"stateRoot" : "925002c3260b44e44c3edebad1cc442142b03020209df1ab8bb86752edbd2cd7",
"timestamp" : "0x54c98c81",
"transactionsTrie" : "56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
"uncleHash" : "1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
},
"genesisRLP" : "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",
"lastblockhash" : "06b5b1742bde29468510c92641f36b719c61b3fc3e9a21c92a23978f4f7faa2a",
"postState" : {
"095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
"balance" : "0x012a05f264",
"code" : "0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff600052600060206000a1",
"nonce" : "0x00",
"storage" : {
}
},
"8888f1f195afa192cfee860698584c030f4c9db1" : {
"balance" : "0x4563918244f75c6e",
"code" : "0x",
"nonce" : "0x00",
"storage" : {
}
},
"a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
"balance" : "0x012a029592",
"code" : "0x",
"nonce" : "0x01",
"storage" : {
}
}
},
"pre" : {
"095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
"balance" : "0x64",
"code" : "0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff600052600060206000a1",
"nonce" : "0x00",
"storage" : {
}
},
"a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
"balance" : "0x02540be400",
"code" : "0x",
"nonce" : "0x00",
"storage" : {
}
}
}
}"#;
let _deserialized: BlockChain = serde_json::from_str(s).unwrap();
// TODO: validate all fields
}
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}