Change Commit to hold signatures+timestamps instead of votes
This commit is contained in:
parent
debe56326f
commit
e47a8939f9
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@ -69,8 +69,11 @@ var (
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partSet = block.MakePartSet(2)
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part1 = partSet.GetPart(0)
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part2 = partSet.GetPart(1)
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seenCommit1 = &types.Commit{Precommits: []*types.Vote{{Height: 10,
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Timestamp: time.Now().UTC()}}}
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seenCommit1 = &types.Commit{
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Precommits: []*types.CommitSig{{
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Timestamp: time.Now().UTC()}},
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HeightNum: 10,
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}
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)
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// TODO: This test should be simplified ...
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@ -90,8 +93,11 @@ func TestBlockStoreSaveLoadBlock(t *testing.T) {
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// save a block
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block := makeBlock(bs.Height()+1, state)
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validPartSet := block.MakePartSet(2)
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seenCommit := &types.Commit{Precommits: []*types.Vote{{Height: 10,
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Timestamp: time.Now().UTC()}}}
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seenCommit := &types.Commit{
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Precommits: []*types.CommitSig{{
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Timestamp: time.Now().UTC()}},
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HeightNum: 10,
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}
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bs.SaveBlock(block, partSet, seenCommit)
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require.Equal(t, bs.Height(), block.Header.Height, "expecting the new height to be changed")
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@ -110,8 +116,11 @@ func TestBlockStoreSaveLoadBlock(t *testing.T) {
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// End of setup, test data
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commitAtH10 := &types.Commit{Precommits: []*types.Vote{{Height: 10,
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Timestamp: time.Now().UTC()}}}
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commitAtH10 := &types.Commit{
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Precommits: []*types.CommitSig{{
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Timestamp: time.Now().UTC()}},
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HeightNum: 10,
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}
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tuples := []struct {
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block *types.Block
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parts *types.PartSet
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@ -334,8 +343,11 @@ func TestBlockFetchAtHeight(t *testing.T) {
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block := makeBlock(bs.Height()+1, state)
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partSet := block.MakePartSet(2)
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seenCommit := &types.Commit{Precommits: []*types.Vote{{Height: 10,
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Timestamp: time.Now().UTC()}}}
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seenCommit := &types.Commit{
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Precommits: []*types.CommitSig{{
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Timestamp: time.Now().UTC()}},
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HeightNum: 10,
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}
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bs.SaveBlock(block, partSet, seenCommit)
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require.Equal(t, bs.Height(), block.Header.Height, "expecting the new height to be changed")
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@ -607,12 +607,6 @@ func validateBlock(block *types.Block, activeVals map[string]struct{}) error {
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if block.LastCommit.Size() != len(activeVals) {
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return fmt.Errorf("Commit size doesn't match number of active validators. Got %d, expected %d", block.LastCommit.Size(), len(activeVals))
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}
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for _, vote := range block.LastCommit.Precommits {
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if _, ok := activeVals[string(vote.ValidatorAddress)]; !ok {
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return fmt.Errorf("Found vote for unactive validator %X", vote.ValidatorAddress)
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}
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}
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return nil
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}
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@ -531,7 +531,7 @@ func makeBlockchainFromWAL(wal WAL) ([]*types.Block, []*types.Commit, error) {
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if block.Height != height+1 {
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panic(fmt.Sprintf("read bad block from wal. got height %d, expected %d", block.Height, height+1))
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}
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commitHeight := thisBlockCommit.Precommits[0].Height
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commitHeight := thisBlockCommit.Height()
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if commitHeight != height+1 {
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panic(fmt.Sprintf("commit doesnt match. got height %d, expected %d", commitHeight, height+1))
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}
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@ -549,8 +549,15 @@ func makeBlockchainFromWAL(wal WAL) ([]*types.Block, []*types.Commit, error) {
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case *types.Vote:
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if p.Type == types.VoteTypePrecommit {
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thisBlockCommit = &types.Commit{
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BlockID: p.BlockID,
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Precommits: []*types.Vote{p},
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BlockID: p.BlockID,
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Precommits: []*types.CommitSig{
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&types.CommitSig{
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Signature: p.Signature,
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Timestamp: p.Timestamp,
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},
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},
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HeightNum: p.Height,
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RoundNum: p.Round,
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}
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}
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}
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@ -564,7 +571,7 @@ func makeBlockchainFromWAL(wal WAL) ([]*types.Block, []*types.Commit, error) {
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if block.Height != height+1 {
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panic(fmt.Sprintf("read bad block from wal. got height %d, expected %d", block.Height, height+1))
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}
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commitHeight := thisBlockCommit.Precommits[0].Height
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commitHeight := thisBlockCommit.Height()
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if commitHeight != height+1 {
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panic(fmt.Sprintf("commit doesnt match. got height %d, expected %d", commitHeight, height+1))
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}
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@ -453,11 +453,14 @@ func (cs *ConsensusState) reconstructLastCommit(state sm.State) {
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}
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seenCommit := cs.blockStore.LoadSeenCommit(state.LastBlockHeight)
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lastPrecommits := types.NewVoteSet(state.ChainID, state.LastBlockHeight, seenCommit.Round(), types.VoteTypePrecommit, state.LastValidators)
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for _, precommit := range seenCommit.Precommits {
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if precommit == nil {
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for idx := 0; idx < len(seenCommit.Precommits); idx++ {
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if seenCommit.Precommits[idx] == nil {
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continue
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}
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added, err := lastPrecommits.AddVote(precommit)
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addr, _ := state.LastValidators.GetByIndex(idx)
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vote := seenCommit.GetByIndex(idx)
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vote.ValidatorAddress = addr
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added, err := lastPrecommits.AddVote(vote)
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if !added || err != nil {
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cmn.PanicCrisis(fmt.Sprintf("Failed to reconstruct LastCommit: %v", err))
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}
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@ -1344,7 +1347,7 @@ func (cs *ConsensusState) recordMetrics(height int64, block *types.Block) {
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missingValidators := 0
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missingValidatorsPower := int64(0)
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for i, val := range cs.Validators.Validators {
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var vote *types.Vote
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var vote *types.CommitSig
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if i < len(block.LastCommit.Precommits) {
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vote = block.LastCommit.Precommits[i]
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}
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@ -16,7 +16,7 @@ func BenchmarkRoundStateDeepCopy(b *testing.B) {
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// Random validators
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nval, ntxs := 100, 100
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vset, _ := types.RandValidatorSet(nval, 1)
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precommits := make([]*types.Vote, nval)
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precommits := make([]*types.CommitSig, nval)
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blockID := types.BlockID{
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Hash: cmn.RandBytes(20),
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PartsHeader: types.PartSetHeader{
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@ -25,11 +25,9 @@ func BenchmarkRoundStateDeepCopy(b *testing.B) {
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}
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sig := make([]byte, ed25519.SignatureSize)
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for i := 0; i < nval; i++ {
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precommits[i] = &types.Vote{
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ValidatorAddress: types.Address(cmn.RandBytes(20)),
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Timestamp: time.Now(),
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BlockID: blockID,
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Signature: sig,
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precommits[i] = &types.CommitSig{
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Timestamp: time.Now(),
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Signature: sig,
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}
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}
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txs := make([]types.Tx, ntxs)
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@ -71,7 +71,7 @@ func (pkz privKeys) ToValidators(init, inc int64) *types.ValidatorSet {
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// signHeader properly signs the header with all keys from first to last exclusive.
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func (pkz privKeys) signHeader(header *types.Header, first, last int) *types.Commit {
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votes := make([]*types.Vote, len(pkz))
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cs := make([]*types.CommitSig, len(pkz))
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// We need this list to keep the ordering.
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vset := pkz.ToValidators(1, 0)
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@ -79,12 +79,17 @@ func (pkz privKeys) signHeader(header *types.Header, first, last int) *types.Com
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// Fill in the votes we want.
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for i := first; i < last && i < len(pkz); i++ {
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vote := makeVote(header, vset, pkz[i])
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votes[vote.ValidatorIndex] = vote
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cs[vote.ValidatorIndex] = &types.CommitSig{
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Signature: vote.Signature,
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Timestamp: vote.Timestamp,
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}
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}
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res := &types.Commit{
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BlockID: types.BlockID{Hash: header.Hash()},
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Precommits: votes,
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Precommits: cs,
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RoundNum: 1,
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HeightNum: header.Height,
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}
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return res
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}
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@ -241,7 +241,7 @@ func getBeginBlockValidatorInfo(block *types.Block, lastValSet *types.ValidatorS
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// Collect the vote info (list of validators and whether or not they signed).
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voteInfos := make([]abci.VoteInfo, len(lastValSet.Validators))
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for i, val := range lastValSet.Validators {
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var vote *types.Vote
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var vote *types.CommitSig
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if i < len(block.LastCommit.Precommits) {
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vote = block.LastCommit.Precommits[i]
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}
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@ -63,17 +63,17 @@ func TestBeginBlockValidators(t *testing.T) {
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prevBlockID := types.BlockID{prevHash, prevParts}
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now := time.Now().UTC()
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vote0 := &types.Vote{ValidatorIndex: 0, Timestamp: now, Type: types.VoteTypePrecommit}
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vote1 := &types.Vote{ValidatorIndex: 1, Timestamp: now}
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vote0 := &types.CommitSig{Timestamp: now}
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vote1 := &types.CommitSig{Timestamp: now}
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testCases := []struct {
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desc string
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lastCommitPrecommits []*types.Vote
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lastCommitPrecommits []*types.CommitSig
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expectedAbsentValidators []int
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}{
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{"none absent", []*types.Vote{vote0, vote1}, []int{}},
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{"one absent", []*types.Vote{vote0, nil}, []int{1}},
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{"multiple absent", []*types.Vote{nil, nil}, []int{0, 1}},
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{"none absent", []*types.CommitSig{vote0, vote1}, []int{}},
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{"one absent", []*types.CommitSig{vote0, nil}, []int{1}},
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{"multiple absent", []*types.CommitSig{nil, nil}, []int{0, 1}},
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}
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for _, tc := range testCases {
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@ -133,9 +133,9 @@ func TestBeginBlockByzantineValidators(t *testing.T) {
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types.TM2PB.Evidence(ev2, valSet, now)}},
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}
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vote0 := &types.Vote{ValidatorIndex: 0, Timestamp: now, Type: types.VoteTypePrecommit}
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vote1 := &types.Vote{ValidatorIndex: 1, Timestamp: now}
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votes := []*types.Vote{vote0, vote1}
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vote0 := &types.CommitSig{Timestamp: now}
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vote1 := &types.CommitSig{Timestamp: now}
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votes := []*types.CommitSig{vote0, vote1}
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lastCommit := &types.Commit{BlockID: prevBlockID, Precommits: votes}
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for _, tc := range testCases {
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@ -296,49 +296,38 @@ type Commit struct {
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// NOTE: The Precommits are in order of address to preserve the bonded ValidatorSet order.
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// Any peer with a block can gossip precommits by index with a peer without recalculating the
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// active ValidatorSet.
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BlockID BlockID `json:"block_id"`
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Precommits []*Vote `json:"precommits"`
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BlockID BlockID `json:"block_id"`
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Precommits []*CommitSig `json:"precommits"`
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RoundNum int
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HeightNum int64
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// Volatile
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firstPrecommit *Vote
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hash cmn.HexBytes
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bitArray *cmn.BitArray
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hash cmn.HexBytes
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bitArray *cmn.BitArray
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}
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// FirstPrecommit returns the first non-nil precommit in the commit.
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// If all precommits are nil, it returns an empty precommit with height 0.
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func (commit *Commit) FirstPrecommit() *Vote {
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if len(commit.Precommits) == 0 {
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return nil
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}
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if commit.firstPrecommit != nil {
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return commit.firstPrecommit
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}
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for _, precommit := range commit.Precommits {
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if precommit != nil {
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commit.firstPrecommit = precommit
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return precommit
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}
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}
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return &Vote{
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Type: VoteTypePrecommit,
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}
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type CommitSig struct {
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Signature []byte
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Timestamp time.Time
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}
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func (cs *CommitSig) String(index int, address Address, height int64, round int, blockID BlockID) string {
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return fmt.Sprintf("Vote{%v:%X %v/%02d/%v(%v) %X %X @ %s}",
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index, cmn.Fingerprint(address),
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height, round, VoteTypePrecommit, "Precommit",
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cmn.Fingerprint(blockID.Hash),
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cmn.Fingerprint(cs.Signature),
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CanonicalTime(cs.Timestamp))
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}
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// Height returns the height of the commit
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func (commit *Commit) Height() int64 {
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if len(commit.Precommits) == 0 {
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return 0
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}
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return commit.FirstPrecommit().Height
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return commit.HeightNum
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}
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// Round returns the round of the commit
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func (commit *Commit) Round() int {
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if len(commit.Precommits) == 0 {
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return 0
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}
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return commit.FirstPrecommit().Round
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return commit.RoundNum
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}
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// Type returns the vote type of the commit, which is always VoteTypePrecommit
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@ -368,8 +357,16 @@ func (commit *Commit) BitArray() *cmn.BitArray {
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}
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// GetByIndex returns the vote corresponding to a given validator index
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func (commit *Commit) GetByIndex(index int) *Vote {
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return commit.Precommits[index]
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func (com *Commit) GetByIndex(index int) *Vote {
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return &Vote{
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ValidatorIndex: index,
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Height: com.HeightNum,
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Round: com.RoundNum,
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Timestamp: com.Precommits[index].Timestamp,
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Type: VoteTypePrecommit,
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BlockID: com.BlockID,
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Signature: com.Precommits[index].Signature,
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}
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}
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// IsCommit returns true if there is at least one vote
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@ -386,30 +383,6 @@ func (commit *Commit) ValidateBasic() error {
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if len(commit.Precommits) == 0 {
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return errors.New("No precommits in commit")
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}
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height, round := commit.Height(), commit.Round()
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// Validate the precommits.
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for _, precommit := range commit.Precommits {
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// It's OK for precommits to be missing.
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if precommit == nil {
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continue
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}
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// Ensure that all votes are precommits.
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if precommit.Type != VoteTypePrecommit {
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return fmt.Errorf("Invalid commit vote. Expected precommit, got %v",
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precommit.Type)
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}
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// Ensure that all heights are the same.
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if precommit.Height != height {
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return fmt.Errorf("Invalid commit precommit height. Expected %v, got %v",
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height, precommit.Height)
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}
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// Ensure that all rounds are the same.
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if precommit.Round != round {
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return fmt.Errorf("Invalid commit precommit round. Expected %v, got %v",
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round, precommit.Round)
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}
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}
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return nil
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}
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@ -435,7 +408,8 @@ func (commit *Commit) StringIndented(indent string) string {
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}
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precommitStrings := make([]string, len(commit.Precommits))
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for i, precommit := range commit.Precommits {
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precommitStrings[i] = precommit.String()
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precommitStrings[i] = precommit.String(i, []byte("---"),
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commit.HeightNum, commit.RoundNum, commit.BlockID)
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}
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return fmt.Sprintf(`Commit{
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%s BlockID: %v
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@ -118,7 +118,7 @@ func TestBlockMakePartSetWithEvidence(t *testing.T) {
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partSet := MakeBlock(h, txs, commit, evList).MakePartSet(1024)
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assert.NotNil(t, partSet)
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assert.Equal(t, 3, partSet.Total())
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assert.Equal(t, 2, partSet.Total())
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}
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func TestBlockHashesTo(t *testing.T) {
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@ -193,7 +193,6 @@ func TestCommit(t *testing.T) {
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commit, err := MakeCommit(lastID, h-1, 1, voteSet, vals)
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require.NoError(t, err)
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assert.NotNil(t, commit.FirstPrecommit())
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assert.Equal(t, h-1, commit.Height())
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assert.Equal(t, 1, commit.Round())
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assert.Equal(t, VoteTypePrecommit, commit.Type())
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@ -204,7 +203,9 @@ func TestCommit(t *testing.T) {
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require.NotNil(t, commit.BitArray())
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assert.Equal(t, cmn.NewBitArray(10).Size(), commit.BitArray().Size())
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assert.Equal(t, voteSet.GetByIndex(0), commit.GetByIndex(0))
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cv := commit.GetByIndex(0)
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cv.ValidatorAddress = voteSet.GetByIndex(0).ValidatorAddress
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assert.Equal(t, voteSet.GetByIndex(0), cv)
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assert.True(t, commit.IsCommit())
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}
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@ -216,21 +217,6 @@ func TestCommitValidateBasic(t *testing.T) {
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commit = randCommit()
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commit.Precommits[0] = nil
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assert.NoError(t, commit.ValidateBasic())
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// tamper with types
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commit = randCommit()
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commit.Precommits[0].Type = VoteTypePrevote
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assert.Error(t, commit.ValidateBasic())
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// tamper with height
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commit = randCommit()
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commit.Precommits[0].Height = int64(100)
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assert.Error(t, commit.ValidateBasic())
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// tamper with round
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commit = randCommit()
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commit.Precommits[0].Round = 100
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assert.Error(t, commit.ValidateBasic())
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}
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func randCommit() *Commit {
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@ -270,34 +270,27 @@ func (vals *ValidatorSet) VerifyCommit(chainID string, blockID BlockID, height i
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}
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talliedVotingPower := int64(0)
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round := commit.Round()
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baseVote := Vote{
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Height: height,
|
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Round: commit.Round(),
|
||||
Type: VoteTypePrecommit,
|
||||
BlockID: blockID,
|
||||
}
|
||||
|
||||
for idx, precommit := range commit.Precommits {
|
||||
if precommit == nil {
|
||||
continue // OK, some precommits can be missing.
|
||||
}
|
||||
if precommit.Height != height {
|
||||
return fmt.Errorf("Invalid commit -- wrong height: want %v got %v", height, precommit.Height)
|
||||
}
|
||||
if precommit.Round != round {
|
||||
return fmt.Errorf("Invalid commit -- wrong round: want %v got %v", round, precommit.Round)
|
||||
}
|
||||
if precommit.Type != VoteTypePrecommit {
|
||||
return fmt.Errorf("Invalid commit -- not precommit @ index %v", idx)
|
||||
}
|
||||
_, val := vals.GetByIndex(idx)
|
||||
baseVote.Timestamp = precommit.Timestamp
|
||||
// Validate signature.
|
||||
precommitSignBytes := precommit.SignBytes(chainID)
|
||||
precommitSignBytes := baseVote.SignBytes(chainID)
|
||||
if !val.PubKey.VerifyBytes(precommitSignBytes, precommit.Signature) {
|
||||
return fmt.Errorf("Invalid commit -- invalid signature: %v", precommit)
|
||||
}
|
||||
// Good precommit!
|
||||
if blockID.Equals(precommit.BlockID) {
|
||||
talliedVotingPower += val.VotingPower
|
||||
} else {
|
||||
// It's OK that the BlockID doesn't match. We include stray
|
||||
// precommits to measure validator availability.
|
||||
}
|
||||
talliedVotingPower += val.VotingPower
|
||||
}
|
||||
|
||||
if talliedVotingPower > vals.TotalVotingPower()*2/3 {
|
||||
|
@ -349,40 +342,33 @@ func (vals *ValidatorSet) VerifyFutureCommit(newSet *ValidatorSet, chainID strin
|
|||
// Check old voting power.
|
||||
oldVotingPower := int64(0)
|
||||
seen := map[int]bool{}
|
||||
round := commit.Round()
|
||||
baseVote := Vote{
|
||||
Height: height,
|
||||
Round: commit.Round(),
|
||||
Type: VoteTypePrecommit,
|
||||
BlockID: blockID,
|
||||
}
|
||||
|
||||
for idx, precommit := range commit.Precommits {
|
||||
if precommit == nil {
|
||||
continue
|
||||
}
|
||||
if precommit.Height != height {
|
||||
return cmn.NewError("Blocks don't match - %d vs %d", round, precommit.Round)
|
||||
}
|
||||
if precommit.Round != round {
|
||||
return cmn.NewError("Invalid commit -- wrong round: %v vs %v", round, precommit.Round)
|
||||
}
|
||||
if precommit.Type != VoteTypePrecommit {
|
||||
return cmn.NewError("Invalid commit -- not precommit @ index %v", idx)
|
||||
}
|
||||
// See if this validator is in oldVals.
|
||||
idx, val := oldVals.GetByAddress(precommit.ValidatorAddress)
|
||||
adr, _ := newSet.GetByIndex(idx)
|
||||
idx, val := oldVals.GetByAddress(adr)
|
||||
if val == nil || seen[idx] {
|
||||
continue // missing or double vote...
|
||||
}
|
||||
seen[idx] = true
|
||||
|
||||
// Validate signature.
|
||||
precommitSignBytes := precommit.SignBytes(chainID)
|
||||
baseVote.Timestamp = precommit.Timestamp
|
||||
precommitSignBytes := baseVote.SignBytes(chainID)
|
||||
if !val.PubKey.VerifyBytes(precommitSignBytes, precommit.Signature) {
|
||||
return cmn.NewError("Invalid commit -- invalid signature: %v", precommit)
|
||||
}
|
||||
// Good precommit!
|
||||
if blockID.Equals(precommit.BlockID) {
|
||||
oldVotingPower += val.VotingPower
|
||||
} else {
|
||||
// It's OK that the BlockID doesn't match. We include stray
|
||||
// precommits to measure validator availability.
|
||||
}
|
||||
oldVotingPower += val.VotingPower
|
||||
}
|
||||
|
||||
if oldVotingPower <= oldVals.TotalVotingPower()*2/3 {
|
||||
|
|
|
@ -392,8 +392,15 @@ func TestValidatorSetVerifyCommit(t *testing.T) {
|
|||
assert.NoError(t, err)
|
||||
vote.Signature = sig
|
||||
commit := &Commit{
|
||||
BlockID: blockID,
|
||||
Precommits: []*Vote{vote},
|
||||
BlockID: blockID,
|
||||
Precommits: []*CommitSig{
|
||||
&CommitSig{
|
||||
Signature: sig,
|
||||
Timestamp: vote.Timestamp,
|
||||
},
|
||||
},
|
||||
HeightNum: height,
|
||||
RoundNum: 0,
|
||||
}
|
||||
|
||||
badChainID := "notmychainID"
|
||||
|
@ -401,7 +408,9 @@ func TestValidatorSetVerifyCommit(t *testing.T) {
|
|||
badHeight := height + 1
|
||||
badCommit := &Commit{
|
||||
BlockID: blockID,
|
||||
Precommits: []*Vote{nil},
|
||||
Precommits: []*CommitSig{nil},
|
||||
HeightNum: height,
|
||||
RoundNum: 0,
|
||||
}
|
||||
|
||||
// test some error cases
|
||||
|
|
|
@ -543,9 +543,20 @@ func (voteSet *VoteSet) MakeCommit() *Commit {
|
|||
// For every validator, get the precommit
|
||||
votesCopy := make([]*Vote, len(voteSet.votes))
|
||||
copy(votesCopy, voteSet.votes)
|
||||
precommits := make([]*CommitSig, len(voteSet.votes))
|
||||
for i, v := range votesCopy {
|
||||
if v != nil {
|
||||
precommits[i] = &CommitSig{
|
||||
Signature: v.Signature,
|
||||
Timestamp: v.Timestamp,
|
||||
}
|
||||
}
|
||||
}
|
||||
return &Commit{
|
||||
BlockID: *voteSet.maj23,
|
||||
Precommits: votesCopy,
|
||||
Precommits: precommits,
|
||||
RoundNum: voteSet.round,
|
||||
HeightNum: voteSet.height,
|
||||
}
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in New Issue