e2e: add evidence tests (#9292)

internal/test/commit.go

@@ -0,0 +1,90 @@
+package test
+
+import (
+	"fmt"
+	"time"
+
+	tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
+	sm "github.com/tendermint/tendermint/state"
+	"github.com/tendermint/tendermint/types"
+)
+
+func MakeCommitFromVoteSet(blockID types.BlockID, voteSet *types.VoteSet, validators []types.PrivValidator, now time.Time) (*types.Commit, error) {
+	// all sign
+	for i := 0; i < len(validators); i++ {
+		pubKey, err := validators[i].GetPubKey()
+		if err != nil {
+			return nil, err
+		}
+		vote := &types.Vote{
+			ValidatorAddress: pubKey.Address(),
+			ValidatorIndex:   int32(i),
+			Height:           voteSet.GetHeight(),
+			Round:            voteSet.GetRound(),
+			Type:             tmproto.PrecommitType,
+			BlockID:          blockID,
+			Timestamp:        now,
+		}
+
+		v := vote.ToProto()
+
+		if err := validators[i].SignVote(voteSet.ChainID(), v); err != nil {
+			return nil, err
+		}
+		vote.Signature = v.Signature
+		if _, err := voteSet.AddVote(vote); err != nil {
+			return nil, err
+		}
+	}
+
+	return voteSet.MakeCommit(), nil
+}
+
+func MakeVoteSet(lastState sm.State, round int32) *types.VoteSet {
+	return types.NewVoteSet(lastState.ChainID, lastState.LastBlockHeight+1, round, tmproto.PrecommitType, lastState.NextValidators)
+}
+
+func MakeCommit(blockID types.BlockID, height int64, round int32, valSet *types.ValidatorSet, privVals []types.PrivValidator, chainID string, now time.Time) (*types.Commit, error) {
+	sigs := make([]types.CommitSig, len(valSet.Validators))
+	for i := 0; i < len(valSet.Validators); i++ {
+		sigs[i] = types.NewCommitSigAbsent()
+	}
+
+	for _, privVal := range privVals {
+		pk, err := privVal.GetPubKey()
+		if err != nil {
+			return nil, err
+		}
+		addr := pk.Address()
+
+		idx, _ := valSet.GetByAddress(addr)
+		if idx < 0 {
+			return nil, fmt.Errorf("validator with address %s not in validator set", addr)
+		}
+
+		vote := &types.Vote{
+			ValidatorAddress: addr,
+			ValidatorIndex:   idx,
+			Height:           height,
+			Round:            round,
+			Type:             tmproto.PrecommitType,
+			BlockID:          blockID,
+			Timestamp:        now,
+		}
+
+		v := vote.ToProto()
+
+		if err := privVal.SignVote(chainID, v); err != nil {
+			return nil, err
+		}
+
+		sigs[idx] = types.CommitSig{
+			BlockIDFlag:      types.BlockIDFlagCommit,
+			ValidatorAddress: addr,
+			Timestamp:        now,
+			Signature:        v.Signature,
+		}
+	}
+
+	return types.NewCommit(height, round, blockID, sigs), nil
+}