132 lines
4.3 KiB
Rust
132 lines
4.3 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 genesis deserialization.
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use crate::{
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bytes::Bytes,
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hash::{Address, H256},
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spec::Seal,
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uint::{self, Uint},
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};
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/// Spec genesis.
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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 Genesis {
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/// Seal.
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pub seal: Seal,
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/// Difficulty.
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pub difficulty: Uint,
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/// Block author, defaults to 0.
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pub author: Option<Address>,
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/// Block timestamp, defaults to 0.
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pub timestamp: Option<Uint>,
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/// Parent hash, defaults to 0.
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pub parent_hash: Option<H256>,
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/// Gas limit.
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#[serde(deserialize_with = "uint::validate_non_zero")]
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pub gas_limit: Uint,
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/// Transactions root.
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pub transactions_root: Option<H256>,
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/// Receipts root.
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pub receipts_root: Option<H256>,
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/// State root.
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pub state_root: Option<H256>,
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/// Gas used.
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pub gas_used: Option<Uint>,
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/// Extra data.
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pub extra_data: Option<Bytes>,
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/// Base fee.
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pub base_fee: Option<Uint>,
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}
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#[cfg(test)]
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mod tests {
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use crate::{
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bytes::Bytes,
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hash::{Address, H256, H64},
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spec::{genesis::Genesis, Ethereum, Seal},
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uint::Uint,
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};
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use ethereum_types::{H160, H256 as Eth256, H64 as Eth64, U256};
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use serde_json;
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use std::str::FromStr;
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#[test]
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fn genesis_deserialization() {
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let s = r#"{
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"difficulty": "0x400000000",
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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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"author": "0x1000000000000000000000000000000000000001",
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"timestamp": "0x07",
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"parentHash": "0x9000000000000000000000000000000000000000000000000000000000000000",
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"extraData": "0x11bbe8db4e347b4e8c937c1c8370e4b5ed33adb3db69cbdb7a38e1e50b1b82fa",
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"gasLimit": "0x1388",
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"stateRoot": "0xd7f8974fb5ac78d9ac099b9ad5018bedc2ce0a72dad1827a1709da30580f0544"
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}"#;
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let deserialized: Genesis = serde_json::from_str(s).unwrap();
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assert_eq!(
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deserialized,
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Genesis {
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seal: Seal::Ethereum(Ethereum {
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nonce: H64(Eth64::from_str("00006d6f7264656e").unwrap()),
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mix_hash: H256(
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Eth256::from_str(
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"0000000000000000000000000000000000000000000000000000000000000000"
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)
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.unwrap()
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)
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}),
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difficulty: Uint(U256::from(0x400000000u64)),
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author: Some(Address(
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H160::from_str("1000000000000000000000000000000000000001").unwrap()
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)),
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timestamp: Some(Uint(U256::from(0x07))),
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parent_hash: Some(H256(
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Eth256::from_str(
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"9000000000000000000000000000000000000000000000000000000000000000"
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)
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.unwrap()
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)),
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gas_limit: Uint(U256::from(0x1388)),
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transactions_root: None,
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receipts_root: None,
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state_root: Some(H256(
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Eth256::from_str(
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"d7f8974fb5ac78d9ac099b9ad5018bedc2ce0a72dad1827a1709da30580f0544"
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)
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.unwrap()
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)),
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gas_used: None,
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extra_data: Some(
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Bytes::from_str(
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"11bbe8db4e347b4e8c937c1c8370e4b5ed33adb3db69cbdb7a38e1e50b1b82fa"
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)
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.unwrap()
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),
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base_fee: None,
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}
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);
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}
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}
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