backport block size fixes (#5492)

* mempool: length prefix txs when getting them from mempool (#5483) * correctly calculate evidence data size (#5482) * block: use commit sig size instead of vote size (#5490) * tx: reduce function to one parameter (#5493)
2026-01-04 12:13:57 +00:00 · 2020-10-13 18:07:54 +02:00
parent 7d5d417dc9
commit 09982ae407
17 changed files with 320 additions and 454 deletions
--- a/blockchain/msgs_test.go
+++ b/blockchain/msgs_test.go
@@ -97,7 +97,7 @@ func TestBlockchainMessageVectors(t *testing.T) {
 			BlockRequest: &bcproto.BlockRequest{Height: math.MaxInt64}}},
 			"0a0a08ffffffffffffffff7f"},
 		{"BlockResponseMessage", &bcproto.Message{Sum: &bcproto.Message_BlockResponse{
-			BlockResponse: &bcproto.BlockResponse{Block: bpb}}}, "1ab5010ab2010a5b0a02080b1803220b088092b8c398feffffff012a0212003a20c4da88e876062aa1543400d50d0eaa0dac88096057949cfb7bca7f3a48c04bf96a20e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855122f0a0b48656c6c6f20576f726c641220c4da88e876062aa1543400d50d0eaa0dac88096057949cfb7bca7f3a48c04bf91a221220e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"},
+			BlockResponse: &bcproto.BlockResponse{Block: bpb}}}, "1a700a6e0a5b0a02080b1803220b088092b8c398feffffff012a0212003a20c4da88e876062aa1543400d50d0eaa0dac88096057949cfb7bca7f3a48c04bf96a20e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855120d0a0b48656c6c6f20576f726c641a00"},
 		{"NoBlockResponseMessage", &bcproto.Message{Sum: &bcproto.Message_NoBlockResponse{
 			NoBlockResponse: &bcproto.NoBlockResponse{Height: 1}}}, "12020801"},
 		{"NoBlockResponseMessage", &bcproto.Message{Sum: &bcproto.Message_NoBlockResponse{
--- a/mempool/clist_mempool.go
+++ b/mempool/clist_mempool.go
@@ -517,21 +517,21 @@ func (mem *CListMempool) ReapMaxBytesMaxGas(maxBytes, maxGas int64) types.Txs {
 	mem.updateMtx.RLock()
 	defer mem.updateMtx.RUnlock()

-	var (
-		totalBytes int64
-		totalGas   int64
-	)
+	var totalGas int64
+
 	// TODO: we will get a performance boost if we have a good estimate of avg
 	// size per tx, and set the initial capacity based off of that.
 	// txs := make([]types.Tx, 0, tmmath.MinInt(mem.txs.Len(), max/mem.avgTxSize))
 	txs := make([]types.Tx, 0, mem.txs.Len())
 	for e := mem.txs.Front(); e != nil; e = e.Next() {
 		memTx := e.Value.(*mempoolTx)
+
+		dataSize := types.ComputeProtoSizeForTxs(append(txs, memTx.tx))
+
 		// Check total size requirement
-		if maxBytes > -1 && totalBytes+int64(len(memTx.tx)) > maxBytes {
+		if maxBytes > -1 && dataSize > maxBytes {
 			return txs
 		}
-		totalBytes += int64(len(memTx.tx))
 		// Check total gas requirement.
 		// If maxGas is negative, skip this check.
 		// Since newTotalGas < masGas, which
--- a/mempool/clist_mempool_test.go
+++ b/mempool/clist_mempool_test.go
@@ -121,11 +121,11 @@ func TestReapMaxBytesMaxGas(t *testing.T) {
 		{20, 0, -1, 0},
 		{20, 0, 10, 0},
 		{20, 10, 10, 0},
-		{20, 20, 10, 1},
-		{20, 100, 5, 5},
-		{20, 200, -1, 10},
-		{20, 200, 10, 10},
-		{20, 200, 15, 10},
+		{20, 24, 10, 1},
+		{20, 240, 5, 5},
+		{20, 240, -1, 10},
+		{20, 240, 10, 10},
+		{20, 240, 15, 10},
 		{20, 20000, -1, 20},
 		{20, 20000, 5, 5},
 		{20, 20000, 30, 20},
@@ -159,15 +159,15 @@ func TestMempoolFilters(t *testing.T) {
 	}{
 		{10, nopPreFilter, nopPostFilter, 10},
 		{10, PreCheckMaxBytes(10), nopPostFilter, 0},
-		{10, PreCheckMaxBytes(20), nopPostFilter, 10},
+		{10, PreCheckMaxBytes(22), nopPostFilter, 10},
 		{10, nopPreFilter, PostCheckMaxGas(-1), 10},
 		{10, nopPreFilter, PostCheckMaxGas(0), 0},
 		{10, nopPreFilter, PostCheckMaxGas(1), 10},
 		{10, nopPreFilter, PostCheckMaxGas(3000), 10},
 		{10, PreCheckMaxBytes(10), PostCheckMaxGas(20), 0},
 		{10, PreCheckMaxBytes(30), PostCheckMaxGas(20), 10},
-		{10, PreCheckMaxBytes(20), PostCheckMaxGas(1), 10},
-		{10, PreCheckMaxBytes(20), PostCheckMaxGas(0), 0},
+		{10, PreCheckMaxBytes(22), PostCheckMaxGas(1), 10},
+		{10, PreCheckMaxBytes(22), PostCheckMaxGas(0), 0},
 	}
 	for tcIndex, tt := range tests {
 		err := mempool.Update(1, emptyTxArr, abciResponses(len(emptyTxArr), abci.CodeTypeOK), tt.preFilter, tt.postFilter)
--- a/mempool/mempool.go
+++ b/mempool/mempool.go
@@ -105,7 +105,8 @@ type TxInfo struct {
 // PreCheckMaxBytes checks that the size of the transaction is smaller or equal to the expected maxBytes.
 func PreCheckMaxBytes(maxBytes int64) PreCheckFunc {
 	return func(tx types.Tx) error {
-		txSize := int64(len(tx))
+		txSize := types.ComputeProtoSizeForTxs([]types.Tx{tx})
+
 		if txSize > maxBytes {
 			return fmt.Errorf("tx size is too big: %d, max: %d",
 				txSize, maxBytes)
--- a/node/node_test.go
+++ b/node/node_test.go
@@ -234,13 +234,14 @@ func TestCreateProposalBlock(t *testing.T) {
 	state, stateDB, privVals := state(1, height)
 	stateStore := sm.NewStore(stateDB)
 	maxBytes := 16384
+	var partSize uint32 = 256
 	maxEvidenceBytes := int64(maxBytes / 2)
 	state.ConsensusParams.Block.MaxBytes = int64(maxBytes)
 	state.ConsensusParams.Evidence.MaxBytes = maxEvidenceBytes
 	proposerAddr, _ := state.Validators.GetByIndex(0)

 	// Make Mempool
-	memplMetrics := mempl.PrometheusMetrics("node_test")
+	memplMetrics := mempl.PrometheusMetrics("node_test_1")
 	mempool := mempl.NewCListMempool(
 		config.Mempool,
 		proxyApp.Mempool(),
@@ -270,8 +271,8 @@ func TestCreateProposalBlock(t *testing.T) {

 	// fill the mempool with more txs
 	// than can fit in a block
-	txLength := 1000
-	for i := 0; i < maxBytes/txLength; i++ {
+	txLength := 100
+	for i := 0; i <= maxBytes/txLength; i++ {
 		tx := tmrand.Bytes(txLength)
 		err := mempool.CheckTx(tx, nil, mempl.TxInfo{})
 		assert.NoError(t, err)
@@ -292,10 +293,83 @@ func TestCreateProposalBlock(t *testing.T) {
 		proposerAddr,
 	)

+	// check that the part set does not exceed the maximum block size
+	partSet := block.MakePartSet(partSize)
+	assert.Less(t, partSet.ByteSize(), int64(maxBytes))
+
+	partSetFromHeader := types.NewPartSetFromHeader(partSet.Header())
+	for partSetFromHeader.Count() < partSetFromHeader.Total() {
+		added, err := partSetFromHeader.AddPart(partSet.GetPart(int(partSetFromHeader.Count())))
+		require.NoError(t, err)
+		require.True(t, added)
+	}
+	assert.EqualValues(t, partSetFromHeader.ByteSize(), partSet.ByteSize())
+
 	err = blockExec.ValidateBlock(state, block)
 	assert.NoError(t, err)
 }

+func TestMaxProposalBlockSize(t *testing.T) {
+	config := cfg.ResetTestRoot("node_create_proposal")
+	defer os.RemoveAll(config.RootDir)
+	cc := proxy.NewLocalClientCreator(kvstore.NewApplication())
+	proxyApp := proxy.NewAppConns(cc)
+	err := proxyApp.Start()
+	require.Nil(t, err)
+	defer proxyApp.Stop() //nolint:errcheck // ignore for tests
+
+	logger := log.TestingLogger()
+
+	var height int64 = 1
+	state, stateDB, _ := state(1, height)
+	stateStore := sm.NewStore(stateDB)
+	var maxBytes int64 = 16384
+	var partSize uint32 = 256
+	state.ConsensusParams.Block.MaxBytes = maxBytes
+	proposerAddr, _ := state.Validators.GetByIndex(0)
+
+	// Make Mempool
+	memplMetrics := mempl.PrometheusMetrics("node_test_2")
+	mempool := mempl.NewCListMempool(
+		config.Mempool,
+		proxyApp.Mempool(),
+		state.LastBlockHeight,
+		mempl.WithMetrics(memplMetrics),
+		mempl.WithPreCheck(sm.TxPreCheck(state)),
+		mempl.WithPostCheck(sm.TxPostCheck(state)),
+	)
+	mempool.SetLogger(logger)
+
+	// fill the mempool with one txs just below the maximum size
+	txLength := int(types.MaxDataBytesNoEvidence(maxBytes, 1))
+	tx := tmrand.Bytes(txLength - 4) // to account for the varint
+	err = mempool.CheckTx(tx, nil, mempl.TxInfo{})
+	assert.NoError(t, err)
+
+	blockExec := sm.NewBlockExecutor(
+		stateStore,
+		logger,
+		proxyApp.Consensus(),
+		mempool,
+		sm.EmptyEvidencePool{},
+	)
+
+	commit := types.NewCommit(height-1, 0, types.BlockID{}, nil)
+	block, _ := blockExec.CreateProposalBlock(
+		height,
+		state, commit,
+		proposerAddr,
+	)
+
+	pb, err := block.ToProto()
+	require.NoError(t, err)
+	assert.Less(t, int64(pb.Size()), maxBytes)
+
+	// check that the part set does not exceed the maximum block size
+	partSet := block.MakePartSet(partSize)
+	assert.EqualValues(t, partSet.ByteSize(), int64(pb.Size()))
+}
+
 func TestNodeNewNodeCustomReactors(t *testing.T) {
 	config := cfg.ResetTestRoot("node_new_node_custom_reactors_test")
 	defer os.RemoveAll(config.RootDir)
--- a/proto/tendermint/types/evidence.pb.go
+++ b/proto/tendermint/types/evidence.pb.go
@@ -217,7 +217,6 @@ func (*Evidence) XXX_OneofWrappers() []interface{} {
 // EvidenceData contains any evidence of malicious wrong-doing by validators
 type EvidenceData struct {
 	Evidence []Evidence `protobuf:"bytes,1,rep,name=evidence,proto3" json:"evidence"`
-	Hash     []byte     `protobuf:"bytes,2,opt,name=hash,proto3" json:"hash,omitempty"`
 }

 func (m *EvidenceData) Reset()         { *m = EvidenceData{} }
@@ -260,13 +259,6 @@ func (m *EvidenceData) GetEvidence() []Evidence {
 	return nil
 }

-func (m *EvidenceData) GetHash() []byte {
-	if m != nil {
-		return m.Hash
-	}
-	return nil
-}
-
 func init() {
 	proto.RegisterType((*DuplicateVoteEvidence)(nil), "tendermint.types.DuplicateVoteEvidence")
 	proto.RegisterType((*LightClientAttackEvidence)(nil), "tendermint.types.LightClientAttackEvidence")
@@ -277,32 +269,32 @@ func init() {
 func init() { proto.RegisterFile("tendermint/types/evidence.proto", fileDescriptor_6825fabc78e0a168) }

 var fileDescriptor_6825fabc78e0a168 = []byte{
-	// 398 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x84, 0x52, 0xcd, 0x6a, 0xea, 0x40,
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-	0xfc, 0x09, 0x00, 0x00, 0xff, 0xff, 0xd1, 0x75, 0x06, 0x32, 0x10, 0x03, 0x00, 0x00,
+	// 388 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x84, 0x52, 0xc1, 0x6a, 0xea, 0x40,
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+	0x55, 0xf9, 0x73, 0xa9, 0xca, 0x6f, 0x2b, 0x55, 0x5a, 0xac, 0x54, 0xe9, 0x7d, 0xa5, 0x4a, 0x4f,
+	0xd7, 0x3e, 0x85, 0x61, 0xe4, 0xea, 0x98, 0x87, 0xc6, 0xee, 0xf1, 0x6d, 0xbf, 0xc9, 0x91, 0xee,
+	0x1f, 0xa6, 0x5b, 0x10, 0xf8, 0xd5, 0x77, 0x00, 0x00, 0x00, 0xff, 0xff, 0xc0, 0x7f, 0xe9, 0x7a,
+	0xfc, 0x02, 0x00, 0x00,
 }

 func (m *DuplicateVoteEvidence) Marshal() (dAtA []byte, err error) {
@@ -486,13 +478,6 @@ func (m *EvidenceData) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	_ = i
 	var l int
 	_ = l
-	if len(m.Hash) > 0 {
-		i -= len(m.Hash)
-		copy(dAtA[i:], m.Hash)
-		i = encodeVarintEvidence(dAtA, i, uint64(len(m.Hash)))
-		i--
-		dAtA[i] = 0x12
-	}
 	if len(m.Evidence) > 0 {
 		for iNdEx := len(m.Evidence) - 1; iNdEx >= 0; iNdEx-- {
 			{
@@ -602,10 +587,6 @@ func (m *EvidenceData) Size() (n int) {
 			n += 1 + l + sovEvidence(uint64(l))
 		}
 	}
-	l = len(m.Hash)
-	if l > 0 {
-		n += 1 + l + sovEvidence(uint64(l))
-	}
 	return n
 }

@@ -1034,40 +1015,6 @@ func (m *EvidenceData) Unmarshal(dAtA []byte) error {
 				return err
 			}
 			iNdEx = postIndex
-		case 2:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Hash", wireType)
-			}
-			var byteLen int
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowEvidence
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				byteLen |= int(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			if byteLen < 0 {
-				return ErrInvalidLengthEvidence
-			}
-			postIndex := iNdEx + byteLen
-			if postIndex < 0 {
-				return ErrInvalidLengthEvidence
-			}
-			if postIndex > l {
-				return io.ErrUnexpectedEOF
-			}
-			m.Hash = append(m.Hash[:0], dAtA[iNdEx:postIndex]...)
-			if m.Hash == nil {
-				m.Hash = []byte{}
-			}
-			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipEvidence(dAtA[iNdEx:])
--- a/proto/tendermint/types/evidence.proto
+++ b/proto/tendermint/types/evidence.proto
@@ -28,5 +28,4 @@ message Evidence {
 // EvidenceData contains any evidence of malicious wrong-doing by validators
 message EvidenceData {
  repeated Evidence evidence = 1 [(gogoproto.nullable) = false];
-  bytes             hash     = 2;
 }
--- a/proto/tendermint/types/types.pb.go
+++ b/proto/tendermint/types/types.pb.go
@@ -10,7 +10,6 @@ import (
 	_ "github.com/gogo/protobuf/types"
 	github_com_gogo_protobuf_types "github.com/gogo/protobuf/types"
 	crypto "github.com/tendermint/tendermint/proto/tendermint/crypto"
-	bits "github.com/tendermint/tendermint/proto/tendermint/libs/bits"
 	version "github.com/tendermint/tendermint/proto/tendermint/version"
 	io "io"
 	math "math"
@@ -422,8 +421,6 @@ type Data struct {
 	// NOTE: not all txs here are valid.  We're just agreeing on the order first.
 	// This means that block.AppHash does not include these txs.
 	Txs [][]byte `protobuf:"bytes,1,rep,name=txs,proto3" json:"txs,omitempty"`
-	// Volatile
-	Hash []byte `protobuf:"bytes,2,opt,name=hash,proto3" json:"hash,omitempty"`
 }

 func (m *Data) Reset()         { *m = Data{} }
@@ -466,13 +463,6 @@ func (m *Data) GetTxs() [][]byte {
 	return nil
 }

-func (m *Data) GetHash() []byte {
-	if m != nil {
-		return m.Hash
-	}
-	return nil
-}
-
 // Vote represents a prevote, precommit, or commit vote from validators for
 // consensus.
 type Vote struct {
@@ -581,8 +571,6 @@ type Commit struct {
 	Round      int32       `protobuf:"varint,2,opt,name=round,proto3" json:"round,omitempty"`
 	BlockID    BlockID     `protobuf:"bytes,3,opt,name=block_id,json=blockId,proto3" json:"block_id"`
 	Signatures []CommitSig `protobuf:"bytes,4,rep,name=signatures,proto3" json:"signatures"`
-	Hash       []byte         `protobuf:"bytes,5,opt,name=hash,proto3" json:"hash,omitempty"`
-	BitArray   *bits.BitArray `protobuf:"bytes,6,opt,name=bit_array,json=bitArray,proto3" json:"bit_array,omitempty"`
 }

 func (m *Commit) Reset()         { *m = Commit{} }
@@ -646,20 +634,6 @@ func (m *Commit) GetSignatures() []CommitSig {
 	return nil
 }

-func (m *Commit) GetHash() []byte {
-	if m != nil {
-		return m.Hash
-	}
-	return nil
-}
-
-func (m *Commit) GetBitArray() *bits.BitArray {
-	if m != nil {
-		return m.BitArray
-	}
-	return nil
-}
-
 // CommitSig is a part of the Vote included in a Commit.
 type CommitSig struct {
 	BlockIdFlag      BlockIDFlag `protobuf:"varint,1,opt,name=block_id_flag,json=blockIdFlag,proto3,enum=tendermint.types.BlockIDFlag" json:"block_id_flag,omitempty"`
@@ -1075,93 +1049,90 @@ func init() {
 func init() { proto.RegisterFile("tendermint/types/types.proto", fileDescriptor_d3a6e55e2345de56) }

 var fileDescriptor_d3a6e55e2345de56 = []byte{
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+	0x46, 0x0f, 0x0f, 0xb7, 0xe2, 0x7f, 0x09, 0x26, 0x9f, 0xe2, 0xaf, 0xc9, 0xf9, 0xbf, 0x0b, 0xdd,
+	0x25, 0x6e, 0xbf, 0xfd, 0x4f, 0x00, 0x00, 0x00, 0xff, 0xff, 0x4c, 0x78, 0x43, 0xdf, 0xef, 0x0c,
+	0x00, 0x00,
 }

 func (m *PartSetHeader) Marshal() (dAtA []byte, err error) {
@@ -1430,13 +1401,6 @@ func (m *Data) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	_ = i
 	var l int
 	_ = l
-	if len(m.Hash) > 0 {
-		i -= len(m.Hash)
-		copy(dAtA[i:], m.Hash)
-		i = encodeVarintTypes(dAtA, i, uint64(len(m.Hash)))
-		i--
-		dAtA[i] = 0x12
-	}
 	if len(m.Txs) > 0 {
 		for iNdEx := len(m.Txs) - 1; iNdEx >= 0; iNdEx-- {
 			i -= len(m.Txs[iNdEx])
@@ -1544,25 +1508,6 @@ func (m *Commit) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	_ = i
 	var l int
 	_ = l
-	if m.BitArray != nil {
-		{
-			size, err := m.BitArray.MarshalToSizedBuffer(dAtA[:i])
-			if err != nil {
-				return 0, err
-			}
-			i -= size
-			i = encodeVarintTypes(dAtA, i, uint64(size))
-		}
-		i--
-		dAtA[i] = 0x32
-	}
-	if len(m.Hash) > 0 {
-		i -= len(m.Hash)
-		copy(dAtA[i:], m.Hash)
-		i = encodeVarintTypes(dAtA, i, uint64(len(m.Hash)))
-		i--
-		dAtA[i] = 0x2a
-	}
 	if len(m.Signatures) > 0 {
 		for iNdEx := len(m.Signatures) - 1; iNdEx >= 0; iNdEx-- {
 			{
@@ -1627,12 +1572,12 @@ func (m *CommitSig) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 		i--
 		dAtA[i] = 0x22
 	}
-	n10, err10 := github_com_gogo_protobuf_types.StdTimeMarshalTo(m.Timestamp, dAtA[i-github_com_gogo_protobuf_types.SizeOfStdTime(m.Timestamp):])
-	if err10 != nil {
-		return 0, err10
+	n9, err9 := github_com_gogo_protobuf_types.StdTimeMarshalTo(m.Timestamp, dAtA[i-github_com_gogo_protobuf_types.SizeOfStdTime(m.Timestamp):])
+	if err9 != nil {
+		return 0, err9
 	}
-	i -= n10
-	i = encodeVarintTypes(dAtA, i, uint64(n10))
+	i -= n9
+	i = encodeVarintTypes(dAtA, i, uint64(n9))
 	i--
 	dAtA[i] = 0x1a
 	if len(m.ValidatorAddress) > 0 {
@@ -1677,12 +1622,12 @@ func (m *Proposal) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 		i--
 		dAtA[i] = 0x3a
 	}
-	n11, err11 := github_com_gogo_protobuf_types.StdTimeMarshalTo(m.Timestamp, dAtA[i-github_com_gogo_protobuf_types.SizeOfStdTime(m.Timestamp):])
-	if err11 != nil {
-		return 0, err11
+	n10, err10 := github_com_gogo_protobuf_types.StdTimeMarshalTo(m.Timestamp, dAtA[i-github_com_gogo_protobuf_types.SizeOfStdTime(m.Timestamp):])
+	if err10 != nil {
+		return 0, err10
 	}
-	i -= n11
-	i = encodeVarintTypes(dAtA, i, uint64(n11))
+	i -= n10
+	i = encodeVarintTypes(dAtA, i, uint64(n10))
 	i--
 	dAtA[i] = 0x32
 	{
@@ -2044,10 +1989,6 @@ func (m *Data) Size() (n int) {
 			n += 1 + l + sovTypes(uint64(l))
 		}
 	}
-	l = len(m.Hash)
-	if l > 0 {
-		n += 1 + l + sovTypes(uint64(l))
-	}
 	return n
 }

@@ -2104,14 +2045,6 @@ func (m *Commit) Size() (n int) {
 			n += 1 + l + sovTypes(uint64(l))
 		}
 	}
-	l = len(m.Hash)
-	if l > 0 {
-		n += 1 + l + sovTypes(uint64(l))
-	}
-	if m.BitArray != nil {
-		l = m.BitArray.Size()
-		n += 1 + l + sovTypes(uint64(l))
-	}
 	return n
 }

@@ -3181,40 +3114,6 @@ func (m *Data) Unmarshal(dAtA []byte) error {
 			m.Txs = append(m.Txs, make([]byte, postIndex-iNdEx))
 			copy(m.Txs[len(m.Txs)-1], dAtA[iNdEx:postIndex])
 			iNdEx = postIndex
-		case 2:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Hash", wireType)
-			}
-			var byteLen int
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowTypes
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				byteLen |= int(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			if byteLen < 0 {
-				return ErrInvalidLengthTypes
-			}
-			postIndex := iNdEx + byteLen
-			if postIndex < 0 {
-				return ErrInvalidLengthTypes
-			}
-			if postIndex > l {
-				return io.ErrUnexpectedEOF
-			}
-			m.Hash = append(m.Hash[:0], dAtA[iNdEx:postIndex]...)
-			if m.Hash == nil {
-				m.Hash = []byte{}
-			}
-			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipTypes(dAtA[iNdEx:])
@@ -3636,76 +3535,6 @@ func (m *Commit) Unmarshal(dAtA []byte) error {
 				return err
 			}
 			iNdEx = postIndex
-		case 5:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Hash", wireType)
-			}
-			var byteLen int
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowTypes
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				byteLen |= int(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			if byteLen < 0 {
-				return ErrInvalidLengthTypes
-			}
-			postIndex := iNdEx + byteLen
-			if postIndex < 0 {
-				return ErrInvalidLengthTypes
-			}
-			if postIndex > l {
-				return io.ErrUnexpectedEOF
-			}
-			m.Hash = append(m.Hash[:0], dAtA[iNdEx:postIndex]...)
-			if m.Hash == nil {
-				m.Hash = []byte{}
-			}
-			iNdEx = postIndex
-		case 6:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field BitArray", wireType)
-			}
-			var msglen int
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowTypes
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				msglen |= int(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			if msglen < 0 {
-				return ErrInvalidLengthTypes
-			}
-			postIndex := iNdEx + msglen
-			if postIndex < 0 {
-				return ErrInvalidLengthTypes
-			}
-			if postIndex > l {
-				return io.ErrUnexpectedEOF
-			}
-			if m.BitArray == nil {
-				m.BitArray = &bits.BitArray{}
-			}
-			if err := m.BitArray.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
-				return err
-			}
-			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipTypes(dAtA[iNdEx:])
--- a/proto/tendermint/types/types.proto
+++ b/proto/tendermint/types/types.proto
@@ -5,7 +5,6 @@ option go_package = "github.com/tendermint/tendermint/proto/tendermint/types";

 import "gogoproto/gogo.proto";
 import "google/protobuf/timestamp.proto";
-import "tendermint/libs/bits/types.proto";
 import "tendermint/crypto/proof.proto";
 import "tendermint/version/types.proto";
 import "tendermint/types/validator.proto";
@@ -88,8 +87,6 @@ message Data {
  // NOTE: not all txs here are valid.  We're just agreeing on the order first.
  // This means that block.AppHash does not include these txs.
  repeated bytes txs = 1;
-  // Volatile
-  bytes hash = 2;
 }

 // Vote represents a prevote, precommit, or commit vote from validators for
@@ -113,8 +110,6 @@ message Commit {
  int32                         round      = 2;
  BlockID                       block_id   = 3 [(gogoproto.nullable) = false, (gogoproto.customname) = "BlockID"];
  repeated CommitSig            signatures = 4 [(gogoproto.nullable) = false];
-  bytes                         hash       = 5;
-  tendermint.libs.bits.BitArray bit_array  = 6;
 }

 // CommitSig is a part of the Vote included in a Commit.
--- a/rpc/client/rpc_test.go
+++ b/rpc/client/rpc_test.go
@@ -290,7 +290,7 @@ func TestAppCalls(t *testing.T) {
 		h = apph - 1
 		commit2, err := c.Commit(context.Background(), &h)
 		require.NoError(err)
-		assert.Equal(block.Block.LastCommit, commit2.Commit)
+		assert.Equal(block.Block.LastCommitHash, commit2.Commit.Hash())

 		// and we got a proof that works!
 		_pres, err := c.ABCIQueryWithOptions(context.Background(), "/key", k, client.ABCIQueryOptions{Prove: true})
--- a/state/execution.go
+++ b/state/execution.go
@@ -104,6 +104,7 @@ func (blockExec *BlockExecutor) CreateProposalBlock(

 	// Fetch a limited amount of valid txs
 	maxDataBytes := types.MaxDataBytes(maxBytes, evSize, state.Validators.Size())
+
 	txs := blockExec.mempool.ReapMaxBytesMaxGas(maxDataBytes, maxGas)

 	return state.MakeBlock(height, txs, commit, evidence, proposerAddr)
--- a/state/tx_filter_test.go
+++ b/state/tx_filter_test.go
@@ -25,8 +25,8 @@ func TestTxFilter(t *testing.T) {
 		tx    types.Tx
 		isErr bool
 	}{
-		{types.Tx(tmrand.Bytes(2154)), false},
-		{types.Tx(tmrand.Bytes(2155)), true},
+		{types.Tx(tmrand.Bytes(2187)), false},
+		{types.Tx(tmrand.Bytes(2188)), true},
 		{types.Tx(tmrand.Bytes(3000)), true},
 	}

@@ -37,7 +37,7 @@ func TestTxFilter(t *testing.T) {
 		state, err := stateStore.LoadFromDBOrGenesisDoc(genDoc)
 		require.NoError(t, err)

-		f := sm.TxPreCheck(state) // current max size of a tx 1850
+		f := sm.TxPreCheck(state)
 		if tc.isErr {
 			assert.NotNil(t, f(tc.tx), "#%v", i)
 		} else {
--- a/types/block.go
+++ b/types/block.go
@@ -277,7 +277,7 @@ func MaxDataBytes(maxBytes, evidenceBytes int64, valsCount int) int64 {
 	maxDataBytes := maxBytes -
 		MaxOverheadForBlock -
 		MaxHeaderBytes -
-		int64(valsCount)*MaxVoteBytes -
+		MaxCommitBytes(valsCount) -
 		evidenceBytes

 	if maxDataBytes < 0 {
@@ -289,7 +289,6 @@ func MaxDataBytes(maxBytes, evidenceBytes int64, valsCount int) int64 {
 	}

 	return maxDataBytes
-
 }

 // MaxDataBytesNoEvidence returns the maximum size of block's data when
@@ -301,7 +300,7 @@ func MaxDataBytesNoEvidence(maxBytes int64, valsCount int) int64 {
 	maxDataBytes := maxBytes -
 		MaxOverheadForBlock -
 		MaxHeaderBytes -
-		int64(valsCount)*MaxVoteBytes
+		MaxCommitBytes(valsCount)

 	if maxDataBytes < 0 {
 		panic(fmt.Sprintf(
@@ -581,6 +580,14 @@ const (
 	BlockIDFlagNil
 )

+const (
+	// Max size of commit without any commitSigs -> 82 for BlockID, 8 for Height, 4 for Round.
+	MaxCommitOverheadBytes int64 = 94
+	// Commit sig size is made up of 32 bytes for the signature, 20 bytes for the address,
+	// 1 byte for the flag and 14 bytes for the timestamp
+	MaxCommitSigBytes int64 = 77
+)
+
 // CommitSig is a part of the Vote included in a Commit.
 type CommitSig struct {
 	BlockIDFlag      BlockIDFlag `json:"block_id_flag"`
@@ -599,9 +606,10 @@ func NewCommitSigForBlock(signature []byte, valAddr Address, ts time.Time) Commi
 	}
 }

-// ForBlock returns true if CommitSig is for the block.
-func (cs CommitSig) ForBlock() bool {
-	return cs.BlockIDFlag == BlockIDFlagCommit
+func MaxCommitBytes(valCount int) int64 {
+	// From the repeated commit sig field
+	var protoEncodingOverhead int64 = 2
+	return MaxCommitOverheadBytes + ((MaxCommitSigBytes + protoEncodingOverhead) * int64(valCount))
 }

 // NewCommitSigAbsent returns new CommitSig with BlockIDFlagAbsent. Other
@@ -612,6 +620,11 @@ func NewCommitSigAbsent() CommitSig {
 	}
 }

+// ForBlock returns true if CommitSig is for the block.
+func (cs CommitSig) ForBlock() bool {
+	return cs.BlockIDFlag == BlockIDFlagCommit
+}
+
 // Absent returns true if CommitSig is absent.
 func (cs CommitSig) Absent() bool {
 	return cs.BlockIDFlag == BlockIDFlagAbsent
@@ -935,10 +948,7 @@ func (commit *Commit) ToProto() *tmproto.Commit {
 	c.Height = commit.Height
 	c.Round = commit.Round
 	c.BlockID = commit.BlockID.ToProto()
-	if commit.hash != nil {
-		c.Hash = commit.hash
-	}
-	c.BitArray = commit.bitArray.ToProto()
+
 	return c
 }

@@ -951,7 +961,6 @@ func CommitFromProto(cp *tmproto.Commit) (*Commit, error) {

 	var (
 		commit = new(Commit)
-		bitArray *bits.BitArray
 	)

 	bi, err := BlockIDFromProto(&cp.BlockID)
@@ -959,8 +968,6 @@ func CommitFromProto(cp *tmproto.Commit) (*Commit, error) {
 		return nil, err
 	}

-	bitArray.FromProto(cp.BitArray)
-
 	sigs := make([]CommitSig, len(cp.Signatures))
 	for i := range cp.Signatures {
 		if err := sigs[i].FromProto(cp.Signatures[i]); err != nil {
@@ -972,8 +979,6 @@ func CommitFromProto(cp *tmproto.Commit) (*Commit, error) {
 	commit.Height = cp.Height
 	commit.Round = cp.Round
 	commit.BlockID = *bi
-	commit.hash = cp.Hash
-	commit.bitArray = bitArray

 	return commit, commit.ValidateBasic()
 }
@@ -1035,10 +1040,6 @@ func (data *Data) ToProto() tmproto.Data {
 		tp.Txs = txBzs
 	}

-	if data.hash != nil {
-		tp.Hash = data.hash
-	}
-
 	return *tp
 }

@@ -1060,8 +1061,6 @@ func DataFromProto(dp *tmproto.Data) (Data, error) {
 		data.Txs = Txs{}
 	}

-	data.hash = dp.Hash
-
 	return *data, nil
 }

@@ -1087,13 +1086,11 @@ func (data *EvidenceData) Hash() tmbytes.HexBytes {
 // ByteSize returns the total byte size of all the evidence
 func (data *EvidenceData) ByteSize() int64 {
 	if data.byteSize == 0 && len(data.Evidence) != 0 {
-		for _, ev := range data.Evidence {
-			pb, err := EvidenceToProto(ev)
+		pb, err := data.ToProto()
 		if err != nil {
 			panic(err)
 		}
-			data.byteSize += int64(pb.Size())
-		}
+		data.byteSize = int64(pb.Size())
 	}
 	return data.byteSize
 }
@@ -1135,10 +1132,6 @@ func (data *EvidenceData) ToProto() (*tmproto.EvidenceData, error) {
 	}
 	evi.Evidence = eviBzs

-	if data.hash != nil {
-		evi.Hash = data.hash
-	}
-
 	return evi, nil
 }

@@ -1155,9 +1148,9 @@ func (data *EvidenceData) FromProto(eviData *tmproto.EvidenceData) error {
 			return err
 		}
 		eviBzs[i] = evi
-		data.byteSize += int64(eviData.Evidence[i].Size())
 	}
 	data.Evidence = eviBzs
+	data.byteSize = int64(eviData.Size())

 	return nil
 }
--- a/types/block_test.go
+++ b/types/block_test.go
@@ -257,6 +257,62 @@ func TestCommitValidateBasic(t *testing.T) {
 	}
 }

+func TestMaxCommitSigBytes(t *testing.T) {
+	// time is varint encoded so need to pick the max.
+	// year int, month Month, day, hour, min, sec, nsec int, loc *Location
+	timestamp := time.Date(math.MaxInt64, 0, 0, 0, 0, 0, math.MaxInt64, time.UTC)
+
+	cs := &CommitSig{
+		BlockIDFlag:      BlockIDFlagNil,
+		ValidatorAddress: crypto.AddressHash([]byte("validator_address")),
+		Timestamp:        timestamp,
+		Signature:        tmhash.Sum([]byte("signature")),
+	}
+
+	pb := cs.ToProto()
+
+	assert.EqualValues(t, MaxCommitSigBytes, pb.Size())
+}
+
+func TestMaxCommitBytes(t *testing.T) {
+	timestamp := time.Date(math.MaxInt64, 0, 0, 0, 0, 0, math.MaxInt64, time.UTC)
+
+	cs := CommitSig{
+		BlockIDFlag:      BlockIDFlagNil,
+		ValidatorAddress: crypto.AddressHash([]byte("validator_address")),
+		Timestamp:        timestamp,
+		Signature:        tmhash.Sum([]byte("signature")),
+	}
+
+	// check size with a single commit
+	commit := &Commit{
+		Height: math.MaxInt64,
+		Round:  math.MaxInt32,
+		BlockID: BlockID{
+			Hash: tmhash.Sum([]byte("blockID_hash")),
+			PartSetHeader: PartSetHeader{
+				Total: math.MaxInt32,
+				Hash:  tmhash.Sum([]byte("blockID_part_set_header_hash")),
+			},
+		},
+		Signatures: []CommitSig{cs},
+	}
+
+	pb := commit.ToProto()
+
+	assert.EqualValues(t, MaxCommitBytes(1), int64(pb.Size()))
+
+	// check the upper bound of the commit size
+	for i := 1; i < MaxVotesCount; i++ {
+		commit.Signatures = append(commit.Signatures, cs)
+	}
+
+	pb = commit.ToProto()
+
+	assert.EqualValues(t, MaxCommitBytes(MaxVotesCount), int64(pb.Size()))
+
+}
+
 func TestHeaderHash(t *testing.T) {
 	testCases := []struct {
 		desc       string
@@ -407,9 +463,9 @@ func TestBlockMaxDataBytes(t *testing.T) {
 	}{
 		0: {-10, 1, 0, true, 0},
 		1: {10, 1, 0, true, 0},
-		2: {844, 1, 0, true, 0},
-		3: {846, 1, 0, false, 0},
-		4: {847, 1, 0, false, 1},
+		2: {809, 1, 0, true, 0},
+		3: {810, 1, 0, false, 0},
+		4: {811, 1, 0, false, 1},
 	}

 	for i, tc := range testCases {
@@ -436,9 +492,9 @@ func TestBlockMaxDataBytesNoEvidence(t *testing.T) {
 	}{
 		0: {-10, 1, true, 0},
 		1: {10, 1, true, 0},
-		2: {845, 1, true, 0},
-		3: {846, 1, false, 0},
-		4: {847, 1, false, 1},
+		2: {809, 1, true, 0},
+		3: {810, 1, false, 0},
+		4: {811, 1, false, 1},
 	}

 	for i, tc := range testCases {
@@ -628,9 +684,7 @@ func TestBlockProtoBuf(t *testing.T) {

 func TestDataProtoBuf(t *testing.T) {
 	data := &Data{Txs: Txs{Tx([]byte{1}), Tx([]byte{2}), Tx([]byte{3})}}
-	_ = data.Hash()
 	data2 := &Data{Txs: Txs{}}
-	_ = data2.Hash()
 	testCases := []struct {
 		msg     string
 		data1   *Data
--- a/types/tx.go
+++ b/types/tx.go
@@ -137,3 +137,11 @@ func TxProofFromProto(pb tmproto.TxProof) (TxProof, error) {

 	return pbtp, nil
 }
+
+// ComputeProtoSizeForTxs wraps the transactions in tmproto.Data{} and calculates the size.
+// https://developers.google.com/protocol-buffers/docs/encoding
+func ComputeProtoSizeForTxs(txs []Tx) int64 {
+	data := Data{Txs: txs}
+	pdData := data.ToProto()
+	return int64(pdData.Size())
+}
--- a/types/vote.go
+++ b/types/vote.go
@@ -13,8 +13,6 @@ import (
 )

 const (
-	// MaxVoteBytes is a maximum vote size (including amino overhead).
-	MaxVoteBytes int64  = 209
 	nilVoteStr string = "nil-Vote"
 )

--- a/types/vote_test.go
+++ b/types/vote_test.go
@@ -1,7 +1,6 @@
 package types

 import (
-	"math"
 	"testing"
 	"time"

@@ -218,38 +217,6 @@ func TestVoteVerify(t *testing.T) {
 	}
 }

-func TestMaxVoteBytes(t *testing.T) {
-	// time is varint encoded so need to pick the max.
-	// year int, month Month, day, hour, min, sec, nsec int, loc *Location
-	timestamp := time.Date(math.MaxInt64, 0, 0, 0, 0, 0, math.MaxInt64, time.UTC)
-
-	vote := &Vote{
-		ValidatorAddress: crypto.AddressHash([]byte("validator_address")),
-		ValidatorIndex:   math.MaxInt32,
-		Height:           math.MaxInt64,
-		Round:            math.MaxInt32,
-		Timestamp:        timestamp,
-		Type:             tmproto.PrevoteType,
-		BlockID: BlockID{
-			Hash: tmhash.Sum([]byte("blockID_hash")),
-			PartSetHeader: PartSetHeader{
-				Total: math.MaxInt32,
-				Hash:  tmhash.Sum([]byte("blockID_part_set_header_hash")),
-			},
-		},
-	}
-
-	v := vote.ToProto()
-	privVal := NewMockPV()
-	err := privVal.SignVote("test_chain_id", v)
-	require.NoError(t, err)
-
-	bz, err := proto.Marshal(v)
-	require.NoError(t, err)
-
-	assert.EqualValues(t, MaxVoteBytes, len(bz))
-}
-
 func TestVoteString(t *testing.T) {
 	str := examplePrecommit().String()
 	expected := `Vote{56789:6AF1F4111082 12345/02/SIGNED_MSG_TYPE_PRECOMMIT(Precommit) 8B01023386C3 000000000000 @ 2017-12-25T03:00:01.234Z}` //nolint:lll //ignore line length for tests