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use crate::common::{Author, Round};
use anyhow::Context;
use diem_crypto::ed25519::Ed25519Signature;
use diem_types::{
block_info::BlockInfo, ledger_info::LedgerInfo, validator_signer::ValidatorSigner,
validator_verifier::ValidatorVerifier,
};
use serde::{Deserialize, Serialize};
use short_hex_str::AsShortHexStr;
use std::fmt::{Debug, Display, Formatter};
#[derive(Deserialize, Serialize, Clone, PartialEq, Eq)]
pub struct CommitVote {
author: Author,
ledger_info: LedgerInfo,
signature: Ed25519Signature,
}
impl Debug for CommitVote {
fn fmt(&self, f: &mut Formatter) -> std::fmt::Result {
write!(f, "{}", self)
}
}
impl Display for CommitVote {
fn fmt(&self, f: &mut Formatter) -> std::fmt::Result {
write!(
f,
"CommitProposal: [author: {}, {}]",
self.author.short_str(),
self.ledger_info
)
}
}
impl CommitVote {
pub fn new(
author: Author,
ledger_info_placeholder: LedgerInfo,
validator_signer: &ValidatorSigner,
) -> Self {
let signature = validator_signer.sign(&ledger_info_placeholder);
Self::new_with_signature(author, ledger_info_placeholder, signature)
}
pub fn new_with_signature(
author: Author,
ledger_info: LedgerInfo,
signature: Ed25519Signature,
) -> Self {
Self {
author,
ledger_info,
signature,
}
}
pub fn author(&self) -> Author {
self.author
}
pub fn ledger_info(&self) -> &LedgerInfo {
&self.ledger_info
}
pub fn signature(&self) -> &Ed25519Signature {
&self.signature
}
pub fn round(&self) -> Round {
self.ledger_info.round()
}
pub fn epoch(&self) -> u64 {
self.ledger_info.epoch()
}
pub fn verify(&self, validator: &ValidatorVerifier) -> anyhow::Result<()> {
validator
.verify(self.author(), &self.ledger_info, &self.signature)
.context("Failed to verify Commit Proposal")
}
pub fn commit_info(&self) -> &BlockInfo {
self.ledger_info().commit_info()
}
}