openethereum/crates/ethjson/src/spec/seal.rs

146 lines
4.7 KiB
Rust

// Copyright 2015-2020 Parity Technologies (UK) Ltd.
// This file is part of OpenEthereum.
// OpenEthereum 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.
// OpenEthereum 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 OpenEthereum. If not, see <http://www.gnu.org/licenses/>.
//! Spec seal deserialization.
use crate::{bytes::Bytes, hash::*, uint::Uint};
/// Ethereum seal.
#[derive(Debug, PartialEq, Deserialize)]
#[serde(deny_unknown_fields)]
#[serde(rename_all = "camelCase")]
pub struct Ethereum {
/// Seal nonce.
pub nonce: H64,
/// Seal mix hash.
pub mix_hash: H256,
}
/// AuthorityRound seal.
#[derive(Debug, PartialEq, Deserialize)]
#[serde(deny_unknown_fields)]
pub struct AuthorityRoundSeal {
/// Seal step.
pub step: Uint,
/// Seal signature.
pub signature: H520,
}
/// Tendermint seal.
#[derive(Debug, PartialEq, Deserialize)]
#[serde(deny_unknown_fields)]
pub struct TendermintSeal {
/// Seal round.
pub round: Uint,
/// Proposal seal signature.
pub proposal: H520,
/// Proposal seal signature.
pub precommits: Vec<H520>,
}
/// Seal variants.
#[derive(Debug, PartialEq, Deserialize)]
#[serde(deny_unknown_fields)]
#[serde(rename_all = "camelCase")]
pub enum Seal {
/// Ethereum seal.
Ethereum(Ethereum),
/// AuthorityRound seal.
AuthorityRound(AuthorityRoundSeal),
/// Tendermint seal.
Tendermint(TendermintSeal),
/// Generic seal.
Generic(Bytes),
}
#[cfg(test)]
mod tests {
use crate::{
bytes::Bytes,
hash::*,
spec::{AuthorityRoundSeal, Ethereum, Seal, TendermintSeal},
uint::Uint,
};
use ethereum_types::{H256 as Eth256, H520 as Eth520, H64 as Eth64, U256};
use serde_json;
use std::str::FromStr;
#[test]
fn seal_deserialization() {
let s = r#"[{
"ethereum": {
"nonce": "0x0000000000000042",
"mixHash": "0x1000000000000000000000000000000000000000000000000000000000000001"
}
},{
"generic": "0xe011bbe8db4e347b4e8c937c1c8370e4b5ed33adb3db69cbdb7a38e1e50b1b82fa"
},{
"authorityRound": {
"step": "0x0",
"signature": "0x2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002"
}
},{
"tendermint": {
"round": "0x3",
"proposal": "0x3000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003",
"precommits": [
"0x4000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004"
]
}
}]"#;
let deserialized: Vec<Seal> = serde_json::from_str(s).unwrap();
assert_eq!(deserialized.len(), 4);
// [0]
assert_eq!(
deserialized[0],
Seal::Ethereum(Ethereum {
nonce: H64(Eth64::from_str("0000000000000042").unwrap()),
mix_hash: H256(
Eth256::from_str(
"1000000000000000000000000000000000000000000000000000000000000001"
)
.unwrap()
)
})
);
// [1]
assert_eq!(
deserialized[1],
Seal::Generic(Bytes::new(vec![
0xe0, 0x11, 0xbb, 0xe8, 0xdb, 0x4e, 0x34, 0x7b, 0x4e, 0x8c, 0x93, 0x7c, 0x1c, 0x83,
0x70, 0xe4, 0xb5, 0xed, 0x33, 0xad, 0xb3, 0xdb, 0x69, 0xcb, 0xdb, 0x7a, 0x38, 0xe1,
0xe5, 0x0b, 0x1b, 0x82, 0xfa
]))
);
// [2]
assert_eq!(deserialized[2], Seal::AuthorityRound(AuthorityRoundSeal {
step: Uint(U256::from(0x0)),
signature: H520(Eth520::from_str("2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002").unwrap())
}));
// [3]
assert_eq!(deserialized[3], Seal::Tendermint(TendermintSeal {
round: Uint(U256::from(0x3)),
proposal: H520(Eth520::from_str("3000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003").unwrap()),
precommits: vec![H520(Eth520::from_str("4000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004").unwrap())]
}));
}
}