Fix minor issues for review

consensus/replay_test.go

@@ -550,12 +550,10 @@ func makeBlockchainFromWAL(wal WAL) ([]*types.Block, []*types.Commit, error) {
 			if p.Type == types.VoteTypePrecommit {
 				thisBlockCommit = &types.Commit{
 					BlockID: p.BlockID,
-					Precommits: []*types.CommitSig{
-						&types.CommitSig{
-							Signature: p.Signature,
-							Timestamp: p.Timestamp,
-						},
-					},
+					Precommits: []*types.CommitSig{{
+						Signature: p.Signature,
+						Timestamp: p.Timestamp,
+					}},
 					HeightNum: p.Height,
 					RoundNum:  p.Round,
 				}

lite/helpers.go

@@ -71,7 +71,7 @@ func (pkz privKeys) ToValidators(init, inc int64) *types.ValidatorSet {
 
 // signHeader properly signs the header with all keys from first to last exclusive.
 func (pkz privKeys) signHeader(header *types.Header, first, last int) *types.Commit {
-	cs := make([]*types.CommitSig, len(pkz))
+	commitSigs := make([]*types.CommitSig, len(pkz))
 
 	// We need this list to keep the ordering.
 	vset := pkz.ToValidators(1, 0)
@@ -79,7 +79,7 @@ func (pkz privKeys) signHeader(header *types.Header, first, last int) *types.Com
 	// Fill in the votes we want.
 	for i := first; i < last && i < len(pkz); i++ {
 		vote := makeVote(header, vset, pkz[i])
-		cs[vote.ValidatorIndex] = &types.CommitSig{
+		commitSigs[vote.ValidatorIndex] = &types.CommitSig{
 			Signature: vote.Signature,
 			Timestamp: vote.Timestamp,
 		}
@@ -87,7 +87,7 @@ func (pkz privKeys) signHeader(header *types.Header, first, last int) *types.Com
 
 	res := &types.Commit{
 		BlockID:    types.BlockID{Hash: header.Hash()},
-		Precommits: cs,
+		Precommits: commitSigs,
 		RoundNum:   1,
 		HeightNum:  header.Height,
 	}

types/block.go

@@ -311,13 +311,13 @@ type CommitSig struct {
 	Timestamp time.Time
 }
 
-func (cs *CommitSig) String(index int, address Address, height int64, round int, blockID BlockID) string {
+func (commitSig *CommitSig) String(index int, address Address, height int64, round int, blockID BlockID) string {
 	return fmt.Sprintf("Vote{%v:%X %v/%02d/%v(%v) %X %X @ %s}",
 		index, cmn.Fingerprint(address),
 		height, round, VoteTypePrecommit, "Precommit",
 		cmn.Fingerprint(blockID.Hash),
-		cmn.Fingerprint(cs.Signature),
-		CanonicalTime(cs.Timestamp))
+		cmn.Fingerprint(commitSig.Signature),
+		CanonicalTime(commitSig.Timestamp))
 }
 
 // Height returns the height of the commit
@@ -357,15 +357,15 @@ func (commit *Commit) BitArray() *cmn.BitArray {
 }
 
 // GetByIndex returns the vote corresponding to a given validator index
-func (com *Commit) GetByIndex(index int) *Vote {
+func (commit *Commit) GetByIndex(index int) *Vote {
 	return &Vote{
 		ValidatorIndex: index,
-		Height:         com.HeightNum,
-		Round:          com.RoundNum,
-		Timestamp:      com.Precommits[index].Timestamp,
+		Height:         commit.HeightNum,
+		Round:          commit.RoundNum,
+		Timestamp:      commit.Precommits[index].Timestamp,
 		Type:           VoteTypePrecommit,
-		BlockID:        com.BlockID,
-		Signature:      com.Precommits[index].Signature,
+		BlockID:        commit.BlockID,
+		Signature:      commit.Precommits[index].Signature,
 	}
 }