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[consensus] split round timeout msg out of vote msg
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,179 @@ | ||
| use crate::{ | ||
| common::{Author, Round}, | ||
| sync_info::SyncInfo, | ||
| timeout_2chain::TwoChainTimeout, | ||
| }; | ||
| use anyhow::{ensure, Context}; | ||
| use aptos_crypto::{bls12381, hash::CryptoHash, CryptoMaterialError, HashValue}; | ||
| use aptos_short_hex_str::AsShortHexStr; | ||
| use aptos_types::{ | ||
| ledger_info::LedgerInfo, validator_signer::ValidatorSigner, | ||
| validator_verifier::ValidatorVerifier, | ||
| }; | ||
| use serde::{Deserialize, Serialize}; | ||
|
|
||
| #[derive(Deserialize, Serialize, Clone, PartialEq, Eq)] | ||
| pub enum RoundTimeoutReason { | ||
| Unknown, | ||
| ProposalNotReceived, | ||
| PayloadNotAvailable, | ||
| } | ||
|
|
||
| impl std::fmt::Display for RoundTimeoutReason { | ||
| fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { | ||
| match self { | ||
| RoundTimeoutReason::Unknown => write!(f, "Unknown"), | ||
| RoundTimeoutReason::ProposalNotReceived => write!(f, "ProposalNotReceived"), | ||
| RoundTimeoutReason::PayloadNotAvailable => write!(f, "PayloadNotAvailable"), | ||
| } | ||
| } | ||
| } | ||
|
|
||
| #[derive(Deserialize, Serialize, Clone, PartialEq, Eq)] | ||
| pub struct RoundTimeout { | ||
| // The timeout | ||
| timeout: TwoChainTimeout, | ||
| author: Author, | ||
| reason: RoundTimeoutReason, | ||
| /// Signature on the Timeout | ||
| signature: bls12381::Signature, | ||
| } | ||
|
|
||
| // this is required by structured log | ||
| impl std::fmt::Debug for RoundTimeout { | ||
| fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { | ||
| write!(f, "{}", self) | ||
| } | ||
| } | ||
|
|
||
| impl std::fmt::Display for RoundTimeout { | ||
| fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { | ||
| write!( | ||
| f, | ||
| "RoundTimeoutV2: [timeout: {}, author: {}, reason: {}]", | ||
| self.timeout, | ||
| self.author.short_str(), | ||
| self.reason | ||
| ) | ||
| } | ||
| } | ||
|
|
||
| impl RoundTimeout { | ||
| pub fn new( | ||
| timeout: TwoChainTimeout, | ||
| author: Author, | ||
| reason: RoundTimeoutReason, | ||
| signature: bls12381::Signature, | ||
| ) -> Self { | ||
| Self { | ||
| timeout, | ||
| author, | ||
| reason, | ||
| signature, | ||
| } | ||
| } | ||
|
|
||
| pub fn epoch(&self) -> u64 { | ||
| self.timeout.epoch() | ||
| } | ||
|
|
||
| pub fn round(&self) -> Round { | ||
| self.timeout.round() | ||
| } | ||
|
|
||
| pub fn two_chain_timeout(&self) -> &TwoChainTimeout { | ||
| &self.timeout | ||
| } | ||
|
|
||
| pub fn author(&self) -> Author { | ||
| self.author | ||
| } | ||
|
|
||
| pub fn verify(&self, validator: &ValidatorVerifier) -> anyhow::Result<()> { | ||
| self.timeout.verify(validator)?; | ||
| validator | ||
| .verify( | ||
| self.author(), | ||
| &self.timeout.signing_format(), | ||
| &self.signature, | ||
| ) | ||
| .context("Failed to verify 2-chain timeout signature")?; | ||
| Ok(()) | ||
| } | ||
|
|
||
| pub fn reason(&self) -> &RoundTimeoutReason { | ||
| &self.reason | ||
| } | ||
|
|
||
| pub fn signature(&self) -> &bls12381::Signature { | ||
| &self.signature | ||
| } | ||
| } | ||
|
|
||
| #[derive(Deserialize, Serialize, Clone, Debug, PartialEq, Eq)] | ||
| pub struct RoundTimeoutMsg { | ||
| /// The container for the vote (VoteData, LedgerInfo, Signature) | ||
| round_timeout: RoundTimeout, | ||
| /// Sync info carries information about highest QC, TC and LedgerInfo | ||
| sync_info: SyncInfo, | ||
| } | ||
|
|
||
| impl std::fmt::Display for RoundTimeoutMsg { | ||
| fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { | ||
| write!( | ||
| f, | ||
| "RoundTimeoutV2Msg: [{}], SyncInfo: [{}]", | ||
| self.round_timeout, self.sync_info | ||
| ) | ||
| } | ||
| } | ||
|
|
||
| impl RoundTimeoutMsg { | ||
| pub fn new(round_timeout: RoundTimeout, sync_info: SyncInfo) -> Self { | ||
| Self { | ||
| round_timeout, | ||
| sync_info, | ||
| } | ||
| } | ||
|
|
||
| /// SyncInfo of the given vote message | ||
| pub fn sync_info(&self) -> &SyncInfo { | ||
| &self.sync_info | ||
| } | ||
|
|
||
| pub fn epoch(&self) -> u64 { | ||
| self.round_timeout.epoch() | ||
| } | ||
|
|
||
| pub fn verify(&self, validator: &ValidatorVerifier) -> anyhow::Result<()> { | ||
| ensure!( | ||
| self.round_timeout.epoch() == self.sync_info.epoch(), | ||
| "RoundTimeoutV2Msg has different epoch" | ||
| ); | ||
| ensure!( | ||
| self.round_timeout.round() > self.sync_info.highest_round(), | ||
| "Timeout Round should be higher than SyncInfo" | ||
| ); | ||
| ensure!( | ||
| self.round_timeout.two_chain_timeout().hqc_round() | ||
| <= self.sync_info.highest_certified_round(), | ||
| "2-chain Timeout hqc should be less or equal than the sync info hqc" | ||
| ); | ||
| // We're not verifying SyncInfo here yet: we are going to verify it only in case we need | ||
| // it. This way we avoid verifying O(n) SyncInfo messages while aggregating the votes | ||
| // (O(n^2) signature verifications). | ||
| self.round_timeout.verify(validator) | ||
| } | ||
|
|
||
| pub fn round(&self) -> u64 { | ||
| self.round_timeout.round() | ||
| } | ||
|
|
||
| pub fn author(&self) -> Author { | ||
| self.round_timeout.author() | ||
| } | ||
|
|
||
| pub fn timeout(&self) -> RoundTimeout { | ||
| self.round_timeout.clone() | ||
| } | ||
| } |
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