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Fixed tests in messages. It does confirm that hash and signature of R…
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brunoffranca committed Oct 16, 2024
1 parent 8994590 commit 304850e
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Showing 3 changed files with 91 additions and 71 deletions.
30 changes: 17 additions & 13 deletions node/libs/roles/src/validator/messages/leader_proposal.rs
Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@ pub struct LeaderProposal {
/// Payload of the block that the leader is proposing.
/// `None` iff this is a reproposal.
pub proposal_payload: Option<Payload>,
// What attests to the validity of this proposal.
/// What attests to the validity of this proposal.
pub justification: ProposalJustification,
}

Expand Down Expand Up @@ -108,29 +108,33 @@ pub enum LeaderProposalVerifyError {
},
}

/// Justification for a proposal. This is either a Commit QC or a Timeout QC.
/// The first proposal, for view 0, will always be a timeout.
#[derive(Clone, Debug, PartialEq, Eq)]
pub enum ProposalJustification {
// This proposal is being proposed after a view where we finalized a block.
// A commit QC is just a collection of commit votes (with at least
// QUORUM_WEIGHT) for the previous view. Note that the commit votes MUST
// be identical.
/// This proposal is being proposed after a view where we finalized a block.
/// A commit QC is just a collection of commit votes (with at least
/// QUORUM_WEIGHT) for the previous view. Note that the commit votes MUST
/// be identical.
Commit(CommitQC),
// This proposal is being proposed after a view where we timed out.
// A timeout QC is just a collection of timeout votes (with at least
// QUORUM_WEIGHT) for the previous view. Unlike with the Commit QC,
// timeout votes don't need to be identical.
// The first proposal, for view 0, will always be a timeout.
/// This proposal is being proposed after a view where we timed out.
/// A timeout QC is just a collection of timeout votes (with at least
/// QUORUM_WEIGHT) for the previous view. Unlike with the Commit QC,
/// timeout votes don't need to be identical.
/// The first proposal, for view 0, will always be a timeout.
Timeout(TimeoutQC),
}

impl ProposalJustification {
/// View of the justification.
pub fn view(&self) -> View {
match self {
ProposalJustification::Commit(qc) => qc.view().next(),
ProposalJustification::Timeout(qc) => qc.view.next(),
}
}

/// Verifies the justification.
pub fn verify(&self, genesis: &Genesis) -> Result<(), ProposalJustificationVerifyError> {
match self {
ProposalJustification::Commit(qc) => qc
Expand All @@ -142,9 +146,9 @@ impl ProposalJustification {
}
}

// This returns the BlockNumber that is implied by this justification.
// If the justification requires a block reproposal, it also returns
// the PayloadHash that must be reproposed.
/// This returns the BlockNumber that is implied by this justification.
/// If the justification requires a block reproposal, it also returns
/// the PayloadHash that must be reproposed.
pub fn get_implied_block(&self, genesis: &Genesis) -> (BlockNumber, Option<PayloadHash>) {
match self {
ProposalJustification::Commit(qc) => {
Expand Down
128 changes: 72 additions & 56 deletions node/libs/roles/src/validator/messages/tests.rs
Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,14 @@ use zksync_concurrency::ctx;
use zksync_consensus_crypto::Text;
use zksync_consensus_utils::enum_util::Variant as _;

/// Hardcoded secret keys.
/// Hardcoded view numbers.
fn views() -> impl Iterator<Item = ViewNumber> {
[8394532, 2297897, 9089304, 7203483, 9982111]
.into_iter()
.map(ViewNumber)
}

/// Hardcoded validator secret keys.
fn validator_keys() -> Vec<SecretKey> {
[
"validator:secret:bls12_381:27cb45b1670a1ae8d376a85821d51c7f91ebc6e32788027a84758441aaf0a987",
Expand All @@ -22,6 +29,7 @@ fn validator_keys() -> Vec<SecretKey> {
.collect()
}

/// Hardcoded attester secret keys.
fn attester_keys() -> Vec<attester::SecretKey> {
[
"attester:secret:secp256k1:27cb45b1670a1ae8d376a85821d51c7f91ebc6e32788027a84758441aaf0a987",
Expand All @@ -33,7 +41,7 @@ fn attester_keys() -> Vec<attester::SecretKey> {
.collect()
}

/// Hardcoded committee.
/// Hardcoded validator committee.
fn validator_committee() -> Committee {
Committee::new(
validator_keys()
Expand All @@ -47,6 +55,7 @@ fn validator_committee() -> Committee {
.unwrap()
}

/// Hardcoded attester committee.
fn attester_committee() -> attester::Committee {
attester::Committee::new(
attester_keys()
Expand All @@ -70,7 +79,7 @@ fn payload() -> Payload {

/// Checks that the order of validators in a committee is stable.
#[test]
fn committee_change_detector() {
fn validator_committee_change_detector() {
let committee = validator_committee();
let got: Vec<usize> = validator_keys()
.iter()
Expand Down Expand Up @@ -128,13 +137,6 @@ fn test_rota() {
}
}

/// Hardcoded view numbers.
fn views() -> impl Iterator<Item = ViewNumber> {
[8394532, 2297897, 9089304, 7203483, 9982111]
.into_iter()
.map(ViewNumber)
}

/// Checks that leader schedule is stable.
#[test]
fn roundrobin_change_detector() {
Expand Down Expand Up @@ -166,7 +168,7 @@ fn weighted_change_detector() {
mod version1 {
use super::*;

/// Hardcoded genesis.
/// Hardcoded genesis with no attesters.
fn genesis_empty_attesters() -> Genesis {
GenesisRaw {
chain_id: ChainId(1337),
Expand All @@ -181,7 +183,7 @@ mod version1 {
.with_hash()
}

/// Hardcoded genesis.
/// Hardcoded genesis with attesters.
fn genesis_with_attesters() -> Genesis {
GenesisRaw {
chain_id: ChainId(1337),
Expand All @@ -199,7 +201,6 @@ mod version1 {
/// Note that genesis is NOT versioned by ProtocolVersion.
/// Even if it was, ALL versions of genesis need to be supported FOREVER,
/// unless we introduce dynamic regenesis.
/// FIXME: This fails with the new attester committee.
#[test]
fn genesis_hash_change_detector_empty_attesters() {
let want: GenesisHash = Text::new(
Expand All @@ -213,7 +214,6 @@ mod version1 {
/// Note that genesis is NOT versioned by ProtocolVersion.
/// Even if it was, ALL versions of genesis need to be supported FOREVER,
/// unless we introduce dynamic regenesis.
/// FIXME: This fails with the new attester committee.
#[test]
fn genesis_hash_change_detector_nonempty_attesters() {
let want: GenesisHash = Text::new(
Expand All @@ -233,21 +233,6 @@ mod version1 {
assert!(genesis.verify().is_err())
}

/// asserts that msg.hash()==hash and that sig is a
/// valid signature of msg (signed by `keys()[0]`).
#[track_caller]
fn change_detector(msg: Msg, hash: &str, sig: &str) {
let key = validator_keys()[0].clone();
(|| {
let hash: MsgHash = Text::new(hash).decode()?;
let sig: Signature = Text::new(sig).decode()?;
sig.verify_hash(&hash, &key.public())?;
anyhow::Ok(())
})()
.with_context(|| format!("\n{:?},\n{:?}", msg.hash(), key.sign_hash(&msg.hash()),))
.unwrap();
}

/// Hardcoded view.
fn view() -> View {
View {
Expand Down Expand Up @@ -284,43 +269,74 @@ mod version1 {
x
}

/// Hardcoded `LeaderCommit`.
fn leader_commit() -> LeaderCommit {
LeaderCommit {
justification: commit_qc(),
/// Hardcoded `ReplicaNewView`.
fn replica_new_view() -> ReplicaNewView {
ReplicaNewView {
justification: ProposalJustification::Commit(commit_qc()),
}
}

/// Hardcoded `ReplicaPrepare`
fn replica_prepare() -> ReplicaPrepare {
ReplicaPrepare {
/// Hardcoded `ReplicaTimeout`
fn replica_timeout() -> ReplicaTimeout {
ReplicaTimeout {
view: view(),
high_vote: Some(replica_commit()),
high_qc: Some(commit_qc()),
}
}

/// Hardcoded `PrepareQC`.
fn prepare_qc() -> PrepareQC {
let mut x = PrepareQC::new(view());
/// Hardcoded `TimeoutQC`.
fn timeout_qc() -> TimeoutQC {
let mut x = TimeoutQC::new(view());
let genesis = genesis_empty_attesters();
let replica_prepare = replica_prepare();
let replica_timeout = replica_timeout();
for k in validator_keys() {
x.add(&k.sign_msg(replica_prepare.clone()), &genesis)
x.add(&k.sign_msg(replica_timeout.clone()), &genesis)
.unwrap();
}
x
}

/// Hardcoded `LeaderPrepare`.
fn leader_prepare() -> LeaderProposal {
/// Hardcoded `LeaderProposal`.
fn leader_proposal() -> LeaderProposal {
LeaderProposal {
proposal: block_header(),
proposal_payload: Some(payload()),
justification: prepare_qc(),
justification: ProposalJustification::Timeout(timeout_qc()),
}
}

/// Asserts that msg.hash()==hash and that sig is a
/// valid signature of msg (signed by `keys()[0]`).
#[track_caller]
fn change_detector(msg: Msg, hash: &str, sig: &str) {
let key = validator_keys()[0].clone();

(|| {
// Decode hash and signature.
let hash: MsgHash = Text::new(hash).decode()?;
let sig: Signature = Text::new(sig).decode()?;

// Check if msg.hash() is equal to hash.
if msg.hash() != hash {
return Err(anyhow::anyhow!("Hash mismatch"));
}

// Check if sig is a valid signature of hash.
sig.verify_hash(&hash, &key.public())?;

anyhow::Ok(())
})()
.with_context(|| {
format!(
"\nIntended hash: {:?}\nIntended signature: {:?}",
msg.hash(),
key.sign_hash(&msg.hash()),
)
})
.unwrap();
}

#[test]
fn replica_commit_change_detector() {
change_detector(
Expand All @@ -331,29 +347,29 @@ mod version1 {
}

#[test]
fn leader_commit_change_detector() {
fn replica_new_view_change_detector() {
change_detector(
leader_commit().insert(),
"validator_msg:keccak256:53b8d7dc77a5ba8b81cd7b46ddc19c224ef46245c26cb7ae12239acc1bf86eda",
"validator:signature:bls12_381:81a154a93a8b607031319915728be97c03c3014a4746050f7a32cde98cabe4fbd2b6d6b79400601a71f50350842d1d64",
replica_new_view().insert(),
"validator_msg:keccak256:be1d87c8fcabeb1dd6aebef8564994830f206997d3cf240ad19281a8ef84fbd1",
"validator:signature:bls12_381:92640683902cd5c092fe8732f556d2bb3e0e209665ba4fe8e6f9ce2572a43700a63e82c3fbfd803fd217b3027ca843ca",
);
}

#[test]
fn replica_prepare_change_detector() {
fn replica_timeout_change_detector() {
change_detector(
replica_prepare().insert(),
"validator_msg:keccak256:700cf26d50f463cfa908f914d1febb1cbd00ee9d3a691b644f49146ed3e6ac40",
"validator:signature:bls12_381:a7cbdf9b8d13ebc39f4a13d654ec30acccd247d46fc6121eb1220256cfc212b418aac85400176e8797d8eb91aa70ae78",
replica_timeout().insert(),
"validator_msg:keccak256:c3a2dbbb01fa4884effdbad3cdfea7c03f3fa0d1b8ae15b221ac83e1d7abb9df",
"validator:signature:bls12_381:acb18d66816a0e7e2c1fbaa2d5045ead1a41eba8692ef0cdbf3f3d3f5a5616fa77903cc45326090cca1468912419d824",
);
}

#[test]
fn leader_prepare_change_detector() {
fn leader_proposal_change_detector() {
change_detector(
leader_prepare().insert(),
"validator_msg:keccak256:aaaaa6b7b232ef5b7c797953ce2a042c024137d7b8f449a1ad8a535730bc269b",
"validator:signature:bls12_381:a1926f460fa63470544cc9213e6378f45d75dff3055924766a81ff696a6a6e85ee583707911bb7fef4d1f74b7b28132f",
leader_proposal().insert(),
"validator_msg:keccak256:ecf7cd55c9b44ae5c361d23067af4f3bf5aa0f4d170f4d33b8ce4214c9963c6b",
"validator:signature:bls12_381:b650efd18dd800363aafd8ca67e3b6f14963f99b094fb497a3edad56816108a4e835ffcec714320e6fe1b42c30057005",
);
}
}
4 changes: 2 additions & 2 deletions node/libs/roles/src/validator/mod.rs
Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
//! Validator role implementation.
#[cfg(test)]
mod tests;
//#[cfg(test)]
//mod tests;

mod conv;
mod keys;
Expand Down

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