205 lines
10 KiB
Rust
205 lines
10 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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//! Blockchain deserialization.
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use crate::{
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blockchain::{block::Block, header::Header, state::State},
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bytes::Bytes,
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hash::H256,
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spec::{Ethereum, ForkSpec, Genesis, Seal},
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};
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/// Json Block test possible engine kind.
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#[derive(Debug, PartialEq, Deserialize)]
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pub enum Engine {
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/// Default (old) behaviour.
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Ethash,
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/// No check of block's difficulty and nonce for tests.
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NoProof,
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}
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impl Default for Engine {
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fn default() -> Self {
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Engine::Ethash
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}
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}
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/// Blockchain deserialization.
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#[derive(Debug, PartialEq, Deserialize)]
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#[serde(rename_all = "camelCase")]
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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,
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/// Genesis block rlp.
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#[serde(rename = "genesisRLP")]
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pub genesis_rlp: Option<Bytes>,
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/// Blocks.
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pub blocks: Vec<Block>,
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/// Post state.
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pub post_state: Option<State>,
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/// Pre state.
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#[serde(rename = "pre")]
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pub pre_state: State,
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/// Hash of best block.
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#[serde(rename = "lastblockhash")]
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pub best_block: H256,
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/// Network.
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pub network: ForkSpec,
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#[serde(default)]
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#[serde(rename = "sealEngine")]
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/// Engine
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pub engine: Engine,
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}
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impl BlockChain {
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/// Returns blocks rlp.
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pub fn blocks_rlp(&self) -> Vec<Vec<u8>> {
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self.blocks.iter().map(|block| block.rlp()).collect()
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}
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/// Returns spec compatible genesis struct.
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pub fn genesis(&self) -> Genesis {
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Genesis {
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seal: Seal::Ethereum(Ethereum {
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nonce: self.genesis_block.nonce.clone(),
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mix_hash: self.genesis_block.mix_hash.clone(),
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}),
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difficulty: self.genesis_block.difficulty,
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author: Some(self.genesis_block.author.clone()),
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timestamp: Some(self.genesis_block.timestamp),
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parent_hash: Some(self.genesis_block.parent_hash.clone()),
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gas_limit: self.genesis_block.gas_limit,
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transactions_root: Some(self.genesis_block.transactions_root.clone()),
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receipts_root: Some(self.genesis_block.receipts_root.clone()),
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state_root: Some(self.genesis_block.state_root.clone()),
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gas_used: Some(self.genesis_block.gas_used),
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extra_data: Some(self.genesis_block.extra_data.clone()),
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}
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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::blockchain::blockchain::BlockChain;
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use serde_json;
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#[test]
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fn blockchain_deserialization() {
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let s = r#"{
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"blocks" : [{
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"blockHeader" : {
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"bloom" : "00000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020000000000000000000800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020000000000040000000000000000000000000000000000000000000000000000000",
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"coinbase" : "8888f1f195afa192cfee860698584c030f4c9db1",
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"difficulty" : "0x020000",
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"extraData" : "0x0102030405060708091011121314151617181920212223242526272829303132",
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"gasLimit" : "0x2fefba",
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"gasUsed" : "0x560b",
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"hash" : "06b5b1742bde29468510c92641f36b719c61b3fc3e9a21c92a23978f4f7faa2a",
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"mixHash" : "5266ca43e81d25925a9ba573c3e4f9180bc076d316d90e63c6f8708b272f5ce2",
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"nonce" : "59ba4daed1898e21",
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"number" : "0x01",
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"parentHash" : "f052d217bd5275a5177a3c3b7debdfe2670f1c8394b2965ccd5c1883cc1a524d",
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"receiptTrie" : "c7778a7376099ee2e5c455791c1885b5c361b95713fddcbe32d97fd01334d296",
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"stateRoot" : "bac6177a79e910c98d86ec31a09ae37ac2de15b754fd7bed1ba52362c49416bf",
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"timestamp" : "0x56850c2c",
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"transactionsTrie" : "498785da562aa0c5dd5937cf15f22139b0b1bcf3b4fc48986e1bb1dae9292796",
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"uncleHash" : "1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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},
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"rlp" : "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",
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"transactions" : [
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{
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"data" : "0x00",
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"gasLimit" : "0xc350",
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"gasPrice" : "0x0a",
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"nonce" : "0x00",
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"r" : "0xee0b9ec878fbd4258a9473199d8ecc32996a20c323c004e79e0cda20e0418ce3",
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"s" : "0x4e6bc63927d1510bab54f37e46fa036faf4b2c465d271920d9afea1fadf7bd21",
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"to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
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"v" : "0x1c",
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"value" : "0x012a05f200"
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}
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],
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"uncleHeaders" : [
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]
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}],
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"network" : "Frontier",
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"genesisBlockHeader" : {
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"bloom" : "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
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"coinbase" : "8888f1f195afa192cfee860698584c030f4c9db1",
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"difficulty" : "0x020000",
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"extraData" : "0x42",
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"gasLimit" : "0x2fefd8",
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"gasUsed" : "0x00",
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"hash" : "f052d217bd5275a5177a3c3b7debdfe2670f1c8394b2965ccd5c1883cc1a524d",
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"mixHash" : "56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
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"nonce" : "0102030405060708",
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"number" : "0x00",
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"parentHash" : "0000000000000000000000000000000000000000000000000000000000000000",
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"receiptTrie" : "56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
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"stateRoot" : "925002c3260b44e44c3edebad1cc442142b03020209df1ab8bb86752edbd2cd7",
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"timestamp" : "0x54c98c81",
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"transactionsTrie" : "56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
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"uncleHash" : "1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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},
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"genesisRLP" : "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",
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"lastblockhash" : "06b5b1742bde29468510c92641f36b719c61b3fc3e9a21c92a23978f4f7faa2a",
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"postState" : {
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"095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
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"balance" : "0x012a05f264",
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"code" : "0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff600052600060206000a1",
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"nonce" : "0x00",
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"storage" : {
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}
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},
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"8888f1f195afa192cfee860698584c030f4c9db1" : {
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"balance" : "0x4563918244f75c6e",
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"code" : "0x",
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"nonce" : "0x00",
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"storage" : {
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}
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},
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"a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
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"balance" : "0x012a029592",
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"code" : "0x",
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"nonce" : "0x01",
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"storage" : {
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}
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}
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},
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"pre" : {
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"095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
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"balance" : "0x64",
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"code" : "0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff600052600060206000a1",
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"nonce" : "0x00",
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"storage" : {
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}
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},
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"a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
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"balance" : "0x02540be400",
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"code" : "0x",
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"nonce" : "0x00",
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"storage" : {
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}
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}
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}
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}"#;
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let _deserialized: BlockChain = 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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