146 lines
4.7 KiB
Rust
146 lines
4.7 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 seal deserialization.
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use crate::{bytes::Bytes, hash::*, uint::Uint};
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/// Ethereum seal.
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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 Ethereum {
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/// Seal nonce.
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pub nonce: H64,
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/// Seal mix hash.
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pub mix_hash: H256,
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}
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/// AuthorityRound seal.
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#[derive(Debug, PartialEq, Deserialize)]
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#[serde(deny_unknown_fields)]
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pub struct AuthorityRoundSeal {
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/// Seal step.
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pub step: Uint,
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/// Seal signature.
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pub signature: H520,
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}
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/// Tendermint seal.
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#[derive(Debug, PartialEq, Deserialize)]
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#[serde(deny_unknown_fields)]
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pub struct TendermintSeal {
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/// Seal round.
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pub round: Uint,
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/// Proposal seal signature.
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pub proposal: H520,
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/// Proposal seal signature.
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pub precommits: Vec<H520>,
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}
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/// Seal variants.
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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 enum Seal {
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/// Ethereum seal.
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Ethereum(Ethereum),
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/// AuthorityRound seal.
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AuthorityRound(AuthorityRoundSeal),
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/// Tendermint seal.
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Tendermint(TendermintSeal),
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/// Generic seal.
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Generic(Bytes),
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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::*,
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spec::{AuthorityRoundSeal, Ethereum, Seal, TendermintSeal},
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uint::Uint,
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};
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use ethereum_types::{H256 as Eth256, H520 as Eth520, 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 seal_deserialization() {
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let s = r#"[{
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"ethereum": {
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"nonce": "0x0000000000000042",
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"mixHash": "0x1000000000000000000000000000000000000000000000000000000000000001"
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}
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},{
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"generic": "0xe011bbe8db4e347b4e8c937c1c8370e4b5ed33adb3db69cbdb7a38e1e50b1b82fa"
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},{
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"authorityRound": {
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"step": "0x0",
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"signature": "0x2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002"
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}
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},{
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"tendermint": {
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"round": "0x3",
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"proposal": "0x3000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003",
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"precommits": [
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"0x4000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004"
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]
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}
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}]"#;
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let deserialized: Vec<Seal> = serde_json::from_str(s).unwrap();
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assert_eq!(deserialized.len(), 4);
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// [0]
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assert_eq!(
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deserialized[0],
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Seal::Ethereum(Ethereum {
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nonce: H64(Eth64::from_str("0000000000000042").unwrap()),
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mix_hash: H256(
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Eth256::from_str(
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"1000000000000000000000000000000000000000000000000000000000000001"
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)
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.unwrap()
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)
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})
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);
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// [1]
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assert_eq!(
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deserialized[1],
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Seal::Generic(Bytes::new(vec![
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0xe0, 0x11, 0xbb, 0xe8, 0xdb, 0x4e, 0x34, 0x7b, 0x4e, 0x8c, 0x93, 0x7c, 0x1c, 0x83,
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0x70, 0xe4, 0xb5, 0xed, 0x33, 0xad, 0xb3, 0xdb, 0x69, 0xcb, 0xdb, 0x7a, 0x38, 0xe1,
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0xe5, 0x0b, 0x1b, 0x82, 0xfa
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]))
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);
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// [2]
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assert_eq!(deserialized[2], Seal::AuthorityRound(AuthorityRoundSeal {
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step: Uint(U256::from(0x0)),
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signature: H520(Eth520::from_str("2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002").unwrap())
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}));
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// [3]
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assert_eq!(deserialized[3], Seal::Tendermint(TendermintSeal {
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round: Uint(U256::from(0x3)),
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proposal: H520(Eth520::from_str("3000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003").unwrap()),
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precommits: vec![H520(Eth520::from_str("4000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004").unwrap())]
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}));
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}
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}
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