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Introduce CommitSig alias for Vote in Commit (#3245)

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* types: memoize height/round in commit instead of first vote

* types: commit.ValidateBasic in VerifyCommit

* types: new CommitSig alias for Vote

In preparation for reducing the redundancy in Commits, we introduce the
CommitSig as an alias for Vote. This is non-breaking on the protocol,
and minor breaking on the Go API, as Commit now contains a list of
CommitSig instead of Vote.

* remove dependence on ToVote

* update some comments

* fix tests

* fix tests

* fixes from review
This commit is contained in:
Ethan Buchman
2019-02-04 13:01:59 -05:00
committed by GitHub
parent 39eba4e154
commit 1809efa350
16 changed files with 136 additions and 70 deletions
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20
state/execution_test.go
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@ -65,17 +65,17 @@ func TestBeginBlockValidators(t *testing.T) {
prevBlockID := types.BlockID{prevHash, prevParts}
now := tmtime.Now()
vote0 := &types.Vote{ValidatorIndex: 0, Timestamp: now, Type: types.PrecommitType}
vote1 := &types.Vote{ValidatorIndex: 1, Timestamp: now}
commitSig0 := (&types.Vote{ValidatorIndex: 0, Timestamp: now, Type: types.PrecommitType}).CommitSig()
commitSig1 := (&types.Vote{ValidatorIndex: 1, Timestamp: now}).CommitSig()
testCases := []struct {
desc string
lastCommitPrecommits []*types.Vote
lastCommitPrecommits []*types.CommitSig
expectedAbsentValidators []int
}{
{"none absent", []*types.Vote{vote0, vote1}, []int{}},
{"one absent", []*types.Vote{vote0, nil}, []int{1}},
{"multiple absent", []*types.Vote{nil, nil}, []int{0, 1}},
{"none absent", []*types.CommitSig{commitSig0, commitSig1}, []int{}},
{"one absent", []*types.CommitSig{commitSig0, nil}, []int{1}},
{"multiple absent", []*types.CommitSig{nil, nil}, []int{0, 1}},
}
for _, tc := range testCases {
@ -136,10 +136,10 @@ func TestBeginBlockByzantineValidators(t *testing.T) {
types.TM2PB.Evidence(ev2, valSet, now)}},
}
vote0 := &types.Vote{ValidatorIndex: 0, Timestamp: now, Type: types.PrecommitType}
vote1 := &types.Vote{ValidatorIndex: 1, Timestamp: now}
votes := []*types.Vote{vote0, vote1}
lastCommit := &types.Commit{BlockID: prevBlockID, Precommits: votes}
commitSig0 := (&types.Vote{ValidatorIndex: 0, Timestamp: now, Type: types.PrecommitType}).CommitSig()
commitSig1 := (&types.Vote{ValidatorIndex: 1, Timestamp: now}).CommitSig()
commitSigs := []*types.CommitSig{commitSig0, commitSig1}
lastCommit := &types.Commit{BlockID: prevBlockID, Precommits: commitSigs}
for _, tc := range testCases {
block, _ := state.MakeBlock(10, makeTxs(2), lastCommit, nil, state.Validators.GetProposer().Address)