Refactor so building and linting works

This is the first step towards implementing vote extensions: generating
the relevant proto stubs and getting the build and linter to pass.

Signed-off-by: Thane Thomson <connect@thanethomson.com>

abci/example/kvstore/persistent_kvstore.go

@@ -1,14 +1,11 @@
 package kvstore
 
 import (
-	"bytes"
-
 	dbm "github.com/tendermint/tm-db"
 
 	"github.com/tendermint/tendermint/abci/types"
 	"github.com/tendermint/tendermint/libs/log"
 	cryptoproto "github.com/tendermint/tendermint/proto/tendermint/crypto"
-	ptypes "github.com/tendermint/tendermint/proto/tendermint/types"
 )
 
 const (
@@ -45,34 +42,3 @@ func (app *PersistentKVStoreApplication) OfferSnapshot(req types.RequestOfferSna
 func (app *PersistentKVStoreApplication) ApplySnapshotChunk(req types.RequestApplySnapshotChunk) types.ResponseApplySnapshotChunk {
 	return types.ResponseApplySnapshotChunk{Result: types.ResponseApplySnapshotChunk_ABORT}
 }
-
-func (app *PersistentKVStoreApplication) ExtendVote(req types.RequestExtendVote) types.ResponseExtendVote {
-	return types.ResponseExtendVote{VoteExtension: ConstructVoteExtension(req.Vote.ValidatorAddress)}
-}
-
-func (app *PersistentKVStoreApplication) VerifyVoteExtension(req types.RequestVerifyVoteExtension) types.ResponseVerifyVoteExtension {
-	return types.RespondVerifyVoteExtension(app.verifyExtension(req.Vote.ValidatorAddress, req.Vote.VoteExtension))
-}
-
-// -----------------------------
-
-func ConstructVoteExtension(valAddr []byte) *ptypes.VoteExtension {
-	return &ptypes.VoteExtension{
-		AppDataToSign:             valAddr,
-		AppDataSelfAuthenticating: valAddr,
-	}
-}
-
-func (app *PersistentKVStoreApplication) verifyExtension(valAddr []byte, ext *ptypes.VoteExtension) bool {
-	if ext == nil {
-		return false
-	}
-	canonical := ConstructVoteExtension(valAddr)
-	if !bytes.Equal(canonical.AppDataToSign, ext.AppDataToSign) {
-		return false
-	}
-	if !bytes.Equal(canonical.AppDataSelfAuthenticating, ext.AppDataSelfAuthenticating) {
-		return false
-	}
-	return true
-}

abci/types/application.go

@@ -66,7 +66,7 @@ func (BaseApplication) ExtendVote(req RequestExtendVote) ResponseExtendVote {
 
 func (BaseApplication) VerifyVoteExtension(req RequestVerifyVoteExtension) ResponseVerifyVoteExtension {
 	return ResponseVerifyVoteExtension{
-		Result: ResponseVerifyVoteExtension_ACCEPT,
+		Accept: true,
 	}
 }
 

abci/types/types.go

@@ -5,8 +5,6 @@ import (
 	"encoding/json"
 
 	"github.com/gogo/protobuf/jsonpb"
-
-	types "github.com/tendermint/tendermint/proto/tendermint/types"
 )
 
 const (
@@ -53,21 +51,6 @@ func (r ResponseQuery) IsErr() bool {
 	return r.Code != CodeTypeOK
 }
 
-// IsUnknown returns true if Code is Unknown
-func (r ResponseVerifyVoteExtension) IsUnknown() bool {
-	return r.Result == ResponseVerifyVoteExtension_UNKNOWN
-}
-
-// IsOK returns true if Code is OK
-func (r ResponseVerifyVoteExtension) IsOK() bool {
-	return r.Result == ResponseVerifyVoteExtension_ACCEPT
-}
-
-// IsErr returns true if Code is something other than OK.
-func (r ResponseVerifyVoteExtension) IsErr() bool {
-	return r.Result != ResponseVerifyVoteExtension_ACCEPT
-}
-
 //---------------------------------------------------------------------------
 // override JSON marshaling so we emit defaults (ie. disable omitempty)
 
@@ -149,25 +132,6 @@ var _ jsonRoundTripper = (*EventAttribute)(nil)
 // -----------------------------------------------
 // construct Result data
 
-func RespondExtendVote(appDataToSign, appDataSelfAuthenticating []byte) ResponseExtendVote {
-	return ResponseExtendVote{
-		VoteExtension: &types.VoteExtension{
-			AppDataToSign:             appDataToSign,
-			AppDataSelfAuthenticating: appDataSelfAuthenticating,
-		},
-	}
-}
-
-func RespondVerifyVoteExtension(ok bool) ResponseVerifyVoteExtension {
-	result := ResponseVerifyVoteExtension_REJECT
-	if ok {
-		result = ResponseVerifyVoteExtension_ACCEPT
-	}
-	return ResponseVerifyVoteExtension{
-		Result: result,
-	}
-}
-
 // deterministicExecTxResult constructs a copy of response that omits
 // non-deterministic fields. The input response is not modified.
 func deterministicExecTxResult(response *ExecTxResult) *ExecTxResult {

internal/consensus/common_test.go

@@ -120,14 +120,16 @@ func (vs *validatorStub) signVote(
 	}
 
 	vote := &types.Vote{
-		ValidatorIndex:   vs.Index,
-		ValidatorAddress: pubKey.Address(),
-		Height:           vs.Height,
-		Round:            vs.Round,
-		Timestamp:        vs.clock.Now(),
-		Type:             voteType,
-		BlockID:          blockID,
-		VoteExtension:    types.VoteExtensionFromProto(kvstore.ConstructVoteExtension(pubKey.Address())),
+		Type:               voteType,
+		Height:             vs.Height,
+		Round:              vs.Round,
+		BlockID:            blockID,
+		Timestamp:          vs.clock.Now(),
+		ValidatorAddress:   pubKey.Address(),
+		ValidatorIndex:     vs.Index,
+		Signature:          []byte{},
+		Extension:          []byte{},
+		ExtensionSignature: []byte{},
 	}
 	v := vote.ToProto()
 	if err := vs.PrivValidator.SignVote(ctx, chainID, v); err != nil {
@@ -158,10 +160,6 @@ func signVote(
 	v, err := vs.signVote(ctx, voteType, chainID, blockID)
 	require.NoError(t, err, "failed to sign vote")
 
-	// TODO: remove hardcoded vote extension.
-	// currently set for abci/examples/kvstore/persistent_kvstore.go
-	v.VoteExtension = types.VoteExtensionFromProto(kvstore.ConstructVoteExtension(v.ValidatorAddress))
-
 	vs.lastVote = v
 
 	return v

internal/consensus/msgs_test.go

@@ -357,11 +357,6 @@ func TestConsMsgsVectors(t *testing.T) {
 	}
 	pbProposal := proposal.ToProto()
 
-	ext := types.VoteExtension{
-		AppDataToSign:             []byte("signed"),
-		AppDataSelfAuthenticating: []byte("auth"),
-	}
-
 	v := &types.Vote{
 		ValidatorAddress: []byte("add_more_exclamation"),
 		ValidatorIndex:   1,
@@ -370,7 +365,7 @@ func TestConsMsgsVectors(t *testing.T) {
 		Timestamp:        date,
 		Type:             tmproto.PrecommitType,
 		BlockID:          bi,
-		VoteExtension:    ext,
+		Extension:        []byte("signed"),
 	}
 	vpb := v.ToProto()
 

internal/consensus/state.go

@@ -2466,7 +2466,7 @@ func (cs *State) signVote(
 		if err != nil {
 			return nil, err
 		}
-		vote.VoteExtension = ext
+		vote.Extension = ext
 	case tmproto.PrevoteType:
 		timeout = cs.config.TimeoutPrevote
 	default:

internal/consensus/state_test.go

@@ -1990,7 +1990,7 @@ func TestFinalizeBlockCalled(t *testing.T) {
 			m := abcimocks.NewBaseMock()
 			m.On("ProcessProposal", mock.Anything).Return(abcitypes.ResponseProcessProposal{Accept: true})
 			m.On("VerifyVoteExtension", mock.Anything).Return(abcitypes.ResponseVerifyVoteExtension{
-				Result: abcitypes.ResponseVerifyVoteExtension_ACCEPT,
+				Accept: true,
 			})
 			m.On("FinalizeBlock", mock.Anything).Return(abcitypes.ResponseFinalizeBlock{}).Maybe()
 			cs1, vss := makeState(ctx, t, makeStateArgs{config: config, application: m})

internal/state/execution.go

@@ -310,21 +310,25 @@ func (blockExec *BlockExecutor) ApplyBlock(
 	return state, nil
 }
 
-func (blockExec *BlockExecutor) ExtendVote(ctx context.Context, vote *types.Vote) (types.VoteExtension, error) {
+func (blockExec *BlockExecutor) ExtendVote(ctx context.Context, vote *types.Vote) ([]byte, error) {
 	req := abci.RequestExtendVote{
-		Vote: vote.ToProto(),
+		Hash:   vote.BlockID.Hash,
+		Height: vote.Height,
 	}
 
 	resp, err := blockExec.appClient.ExtendVote(ctx, req)
 	if err != nil {
-		return types.VoteExtension{}, err
+		return nil, err
 	}
-	return types.VoteExtensionFromProto(resp.VoteExtension), nil
+	return resp.VoteExtension, nil
 }
 
 func (blockExec *BlockExecutor) VerifyVoteExtension(ctx context.Context, vote *types.Vote) error {
 	req := abci.RequestVerifyVoteExtension{
-		Vote: vote.ToProto(),
+		Hash:             []byte{},
+		ValidatorAddress: []byte{},
+		Height:           0,
+		VoteExtension:    []byte{},
 	}
 
 	resp, err := blockExec.appClient.VerifyVoteExtension(ctx, req)
@@ -332,7 +336,7 @@ func (blockExec *BlockExecutor) VerifyVoteExtension(ctx context.Context, vote *t
 		return err
 	}
 
-	if resp.IsErr() {
+	if !resp.Accept {
 		return types.ErrVoteInvalidExtension
 	}
 

privval/msgs_test.go

@@ -22,23 +22,16 @@ var stamp = time.Date(2019, 10, 13, 16, 14, 44, 0, time.UTC)
 
 func exampleVote() *types.Vote {
 	return &types.Vote{
-		Type:      tmproto.SignedMsgType(1),
-		Height:    3,
-		Round:     2,
-		Timestamp: stamp,
-		BlockID: types.BlockID{
-			Hash: tmhash.Sum([]byte("blockID_hash")),
-			PartSetHeader: types.PartSetHeader{
-				Total: 1000000,
-				Hash:  tmhash.Sum([]byte("blockID_part_set_header_hash")),
-			},
-		},
-		ValidatorAddress: crypto.AddressHash([]byte("validator_address")),
-		ValidatorIndex:   56789,
-		VoteExtension: types.VoteExtension{
-			AppDataToSign:             []byte("app_data_signed"),
-			AppDataSelfAuthenticating: []byte("app_data_self_authenticating"),
-		},
+		Type:               tmproto.SignedMsgType(1),
+		Height:             3,
+		Round:              2,
+		BlockID:            types.BlockID{Hash: tmhash.Sum([]byte("blockID_hash")), PartSetHeader: types.PartSetHeader{Total: 1000000, Hash: tmhash.Sum([]byte("blockID_part_set_header_hash"))}},
+		Timestamp:          stamp,
+		ValidatorAddress:   crypto.AddressHash([]byte("validator_address")),
+		ValidatorIndex:     56789,
+		Signature:          []byte{},
+		Extension:          []byte("app_data_signed"),
+		ExtensionSignature: []byte{},
 	}
 }
 

proto/tendermint/abci/types.proto

@@ -21,25 +21,25 @@ import "gogoproto/gogo.proto";
 
 message Request {
   oneof value {
-    RequestEcho               echo                   = 1;
-    RequestFlush              flush                  = 2;
-    RequestInfo               info                   = 3;
-    RequestInitChain          init_chain             = 4;
-    RequestQuery              query                  = 5;
-    RequestBeginBlock         begin_block            = 6 [deprecated = true];
-    RequestCheckTx            check_tx               = 7;
-    RequestDeliverTx          deliver_tx             = 8 [deprecated = true];
-    RequestEndBlock           end_block              = 9 [deprecated = true];
-    RequestCommit             commit                 = 10;
-    RequestListSnapshots      list_snapshots         = 11;
-    RequestOfferSnapshot      offer_snapshot         = 12;
-    RequestLoadSnapshotChunk  load_snapshot_chunk    = 13;
-    RequestApplySnapshotChunk apply_snapshot_chunk   = 14;
-    RequestPrepareProposal    prepare_proposal       = 15;
-    RequestProcessProposal    process_proposal       = 16;
+    RequestEcho                echo                  = 1;
+    RequestFlush               flush                 = 2;
+    RequestInfo                info                  = 3;
+    RequestInitChain           init_chain            = 4;
+    RequestQuery               query                 = 5;
+    RequestBeginBlock          begin_block           = 6 [deprecated = true];
+    RequestCheckTx             check_tx              = 7;
+    RequestDeliverTx           deliver_tx            = 8 [deprecated = true];
+    RequestEndBlock            end_block             = 9 [deprecated = true];
+    RequestCommit              commit                = 10;
+    RequestListSnapshots       list_snapshots        = 11;
+    RequestOfferSnapshot       offer_snapshot        = 12;
+    RequestLoadSnapshotChunk   load_snapshot_chunk   = 13;
+    RequestApplySnapshotChunk  apply_snapshot_chunk  = 14;
+    RequestPrepareProposal     prepare_proposal      = 15;
+    RequestProcessProposal     process_proposal      = 16;
     RequestExtendVote          extend_vote           = 17;
     RequestVerifyVoteExtension verify_vote_extension = 18;
-    RequestFinalizeBlock      finalize_block         = 19;
+    RequestFinalizeBlock       finalize_block        = 19;
   }
 }
 
@@ -169,26 +169,26 @@ message RequestFinalizeBlock {
 
 message Response {
   oneof value {
-    ResponseException          exception              = 1;
-    ResponseEcho               echo                   = 2;
-    ResponseFlush              flush                  = 3;
-    ResponseInfo               info                   = 4;
-    ResponseInitChain          init_chain             = 5;
-    ResponseQuery              query                  = 6;
-    ResponseBeginBlock         begin_block            = 7 [deprecated = true];
-    ResponseCheckTx            check_tx               = 8;
-    ResponseDeliverTx          deliver_tx             = 9 [deprecated = true];
-    ResponseEndBlock           end_block              = 10 [deprecated = true];
-    ResponseCommit             commit                 = 11;
-    ResponseListSnapshots      list_snapshots         = 12;
-    ResponseOfferSnapshot      offer_snapshot         = 13;
-    ResponseLoadSnapshotChunk  load_snapshot_chunk    = 14;
-    ResponseApplySnapshotChunk apply_snapshot_chunk   = 15;
-    ResponsePrepareProposal    prepare_proposal       = 16;
-    ResponseProcessProposal    process_proposal       = 17;
+    ResponseException           exception             = 1;
+    ResponseEcho                echo                  = 2;
+    ResponseFlush               flush                 = 3;
+    ResponseInfo                info                  = 4;
+    ResponseInitChain           init_chain            = 5;
+    ResponseQuery               query                 = 6;
+    ResponseBeginBlock          begin_block           = 7 [deprecated = true];
+    ResponseCheckTx             check_tx              = 8;
+    ResponseDeliverTx           deliver_tx            = 9 [deprecated = true];
+    ResponseEndBlock            end_block             = 10 [deprecated = true];
+    ResponseCommit              commit                = 11;
+    ResponseListSnapshots       list_snapshots        = 12;
+    ResponseOfferSnapshot       offer_snapshot        = 13;
+    ResponseLoadSnapshotChunk   load_snapshot_chunk   = 14;
+    ResponseApplySnapshotChunk  apply_snapshot_chunk  = 15;
+    ResponsePrepareProposal     prepare_proposal      = 16;
+    ResponseProcessProposal     process_proposal      = 17;
     ResponseExtendVote          extend_vote           = 18;
     ResponseVerifyVoteExtension verify_vote_extension = 19;
-    ResponseFinalizeBlock      finalize_block         = 20;
+    ResponseFinalizeBlock       finalize_block        = 20;
   }
 }
 
@@ -344,7 +344,7 @@ message ResponseFinalizeBlock {
   repeated Event events = 1
       [(gogoproto.nullable) = false, (gogoproto.jsontag) = "events,omitempty"];
   repeated ExecTxResult            tx_results              = 2;
-  repeated ValidatorUpdate         validator_updates       = 3;
+  repeated ValidatorUpdate         validator_updates       = 3 [(gogoproto.nullable) = false];
   tendermint.types.ConsensusParams consensus_param_updates = 4;
   bytes                            app_hash                = 5;
   int64                            retain_height           = 6;
@@ -359,7 +359,10 @@ message CommitInfo {
 }
 
 message ExtendedCommitInfo {
-  int32                     round = 1;
+  // The round at which the block proposer decided in the previous height.
+  int32 round = 1;
+  // List of validators' addresses in the last validator set with their voting
+  // information, including vote extensions.
   repeated ExtendedVoteInfo votes = 2 [(gogoproto.nullable) = false];
 }
 
@@ -388,7 +391,7 @@ message ExecTxResult {
   string         info       = 4;  // nondeterministic
   int64          gas_wanted = 5;
   int64          gas_used   = 6;
-  repeated Event events  = 7
+  repeated Event events     = 7
       [(gogoproto.nullable) = false, (gogoproto.jsontag) = "events,omitempty"];  // nondeterministic
   string codespace = 8;
 }
@@ -397,15 +400,15 @@ message ExecTxResult {
 //
 // One usage is indexing transaction results.
 message TxResult {
-  int64             height = 1;
-  uint32            index  = 2;
-  bytes             tx     = 3;
-  ResponseDeliverTx result = 4 [(gogoproto.nullable) = false];
+  int64        height = 1;
+  uint32       index  = 2;
+  bytes        tx     = 3;
+  ExecTxResult result = 4 [(gogoproto.nullable) = false];
 }
 
 message TxRecord {
-  TxAction       action     = 1;
-  bytes          tx         = 2;
+  TxAction action = 1;
+  bytes    tx     = 2;
 
   // TxAction contains App-provided information on what to do with a transaction that is part of a raw proposal
   enum TxAction {
@@ -440,9 +443,12 @@ message VoteInfo {
 
 // ExtendedVoteInfo
 message ExtendedVoteInfo {
-  Validator validator         = 1 [(gogoproto.nullable) = false];
-  bool      signed_last_block = 2;
-  bytes     vote_extension    = 3;
+  // The validator that sent the vote.
+  Validator validator = 1 [(gogoproto.nullable) = false];
+  // Indicates whether the validator signed the last block, allowing for rewards based on validator availability.
+  bool signed_last_block = 2;
+  // Non-deterministic extension provided by the sending validator's application.
+  bytes vote_extension = 3;
 }
 
 // CanonicalVoteExtension

proto/tendermint/types/canonical.pb.go

@@ -225,13 +225,12 @@ func (m *CanonicalProposal) GetChainID() string {
 }
 
 type CanonicalVote struct {
-	Type          SignedMsgType        `protobuf:"varint,1,opt,name=type,proto3,enum=tendermint.types.SignedMsgType" json:"type,omitempty"`
-	Height        int64                `protobuf:"fixed64,2,opt,name=height,proto3" json:"height,omitempty"`
-	Round         int64                `protobuf:"fixed64,3,opt,name=round,proto3" json:"round,omitempty"`
-	BlockID       *CanonicalBlockID    `protobuf:"bytes,4,opt,name=block_id,json=blockId,proto3" json:"block_id,omitempty"`
-	Timestamp     time.Time            `protobuf:"bytes,5,opt,name=timestamp,proto3,stdtime" json:"timestamp"`
-	ChainID       string               `protobuf:"bytes,6,opt,name=chain_id,json=chainId,proto3" json:"chain_id,omitempty"`
-	VoteExtension *VoteExtensionToSign `protobuf:"bytes,7,opt,name=vote_extension,json=voteExtension,proto3" json:"vote_extension,omitempty"`
+	Type      SignedMsgType     `protobuf:"varint,1,opt,name=type,proto3,enum=tendermint.types.SignedMsgType" json:"type,omitempty"`
+	Height    int64             `protobuf:"fixed64,2,opt,name=height,proto3" json:"height,omitempty"`
+	Round     int64             `protobuf:"fixed64,3,opt,name=round,proto3" json:"round,omitempty"`
+	BlockID   *CanonicalBlockID `protobuf:"bytes,4,opt,name=block_id,json=blockId,proto3" json:"block_id,omitempty"`
+	Timestamp time.Time         `protobuf:"bytes,5,opt,name=timestamp,proto3,stdtime" json:"timestamp"`
+	ChainID   string            `protobuf:"bytes,6,opt,name=chain_id,json=chainId,proto3" json:"chain_id,omitempty"`
 }
 
 func (m *CanonicalVote) Reset()         { *m = CanonicalVote{} }
@@ -309,13 +308,6 @@ func (m *CanonicalVote) GetChainID() string {
 	return ""
 }
 
-func (m *CanonicalVote) GetVoteExtension() *VoteExtensionToSign {
-	if m != nil {
-		return m.VoteExtension
-	}
-	return nil
-}
-
 func init() {
 	proto.RegisterType((*CanonicalBlockID)(nil), "tendermint.types.CanonicalBlockID")
 	proto.RegisterType((*CanonicalPartSetHeader)(nil), "tendermint.types.CanonicalPartSetHeader")
@@ -326,40 +318,38 @@ func init() {
 func init() { proto.RegisterFile("tendermint/types/canonical.proto", fileDescriptor_8d1a1a84ff7267ed) }
 
 var fileDescriptor_8d1a1a84ff7267ed = []byte{
-	// 522 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xbc, 0x94, 0x3f, 0x6f, 0xd3, 0x40,
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-	0xc5, 0x3e, 0x6c, 0x0b, 0xc7, 0x67, 0xd9, 0x97, 0x8a, 0x2e, 0x7c, 0x86, 0x7e, 0xac, 0x8e, 0x1d,
-	0x61, 0x09, 0xc8, 0xf9, 0x12, 0x8c, 0xe8, 0xce, 0x49, 0x1c, 0x25, 0xc0, 0x02, 0xea, 0x12, 0xbd,
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-	0x37, 0xa1, 0xfe, 0xa7, 0xf1, 0x4b, 0x08, 0x81, 0x1c, 0xe1, 0x22, 0x52, 0x25, 0x43, 0xb2, 0x0e,
-	0x91, 0x88, 0xe1, 0x15, 0x78, 0x94, 0xe1, 0x9c, 0x79, 0x05, 0x61, 0x5e, 0x44, 0x70, 0x40, 0x72,
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-	0xc2, 0x5e, 0x0b, 0xbd, 0x2b, 0xdf, 0x2d, 0xf4, 0x06, 0xea, 0x67, 0xdb, 0x45, 0xd3, 0x05, 0x27,
-	0xbf, 0x97, 0xc3, 0x63, 0xd0, 0x62, 0x94, 0xe1, 0x44, 0xd8, 0xe8, 0xa3, 0x2a, 0xd9, 0x78, 0x6b,
-	0xd6, 0xde, 0xcc, 0x6f, 0x4d, 0xf0, 0xb8, 0x1e, 0x92, 0xd3, 0x8c, 0x16, 0x38, 0x81, 0xa7, 0x40,
-	0xe6, 0x76, 0xc4, 0xe7, 0x47, 0x23, 0x7d, 0xdf, 0xe6, 0x65, 0x1c, 0xa6, 0x24, 0x78, 0x5b, 0x84,
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-	0x9a, 0x78, 0x55, 0x47, 0x36, 0x24, 0xeb, 0xc0, 0x3d, 0x2c, 0x17, 0xba, 0x72, 0xf1, 0xee, 0x1c,
-	0xf1, 0x1a, 0x52, 0x32, 0x9a, 0x88, 0x08, 0xbe, 0x01, 0xca, 0x94, 0xe3, 0xf5, 0xe2, 0x40, 0x6d,
-	0x09, 0x70, 0xe6, 0x5f, 0xc0, 0xad, 0x2e, 0xe1, 0xf6, 0xca, 0x85, 0xde, 0x59, 0x25, 0xa8, 0x23,
-	0x06, 0x8c, 0x03, 0xe8, 0x82, 0xee, 0xe6, 0x8c, 0x6a, 0x5b, 0x0c, 0x1b, 0xda, 0xd5, 0xa1, 0xed,
-	0xf5, 0xa1, 0xed, 0xc9, 0x5a, 0xe1, 0x2a, 0x9c, 0xfb, 0xed, 0x77, 0x5d, 0x42, 0xf5, 0x67, 0xf0,
-	0x19, 0x50, 0xfc, 0x08, 0xc7, 0x29, 0xf7, 0xd3, 0x31, 0x24, 0xab, 0x5b, 0xed, 0x3a, 0xe3, 0x35,
-	0xbe, 0x4b, 0x34, 0xc7, 0x81, 0xf9, 0xb3, 0x09, 0xfa, 0x1b, 0x5b, 0x57, 0x94, 0x91, 0x87, 0xe0,
-	0xba, 0x0d, 0x4b, 0xfe, 0x9f, 0xb0, 0x5a, 0xff, 0x0e, 0xab, 0xfd, 0x67, 0x58, 0xf0, 0x1c, 0x1c,
-	0x5d, 0x53, 0x46, 0x3c, 0xf2, 0x99, 0x91, 0xb4, 0x88, 0x69, 0x2a, 0xd0, 0xf6, 0x46, 0x4f, 0xf7,
-	0xdd, 0x73, 0x94, 0xaf, 0xd6, 0xb2, 0x09, 0xe5, 0xcc, 0x50, 0xff, 0x7a, 0xbb, 0xe8, 0xbe, 0xbf,
-	0x2b, 0x35, 0xe9, 0xbe, 0xd4, 0xa4, 0x1f, 0xa5, 0x26, 0xdd, 0x2e, 0xb5, 0xc6, 0xfd, 0x52, 0x6b,
-	0x7c, 0x5d, 0x6a, 0x8d, 0x0f, 0x2f, 0xc2, 0x98, 0x45, 0xf3, 0xa9, 0xed, 0xd3, 0x99, 0xb3, 0xfd,
-	0xf7, 0xaf, 0xc3, 0xea, 0x99, 0xd8, 0x7d, 0x1a, 0xa6, 0x6d, 0x51, 0x3f, 0xfd, 0x15, 0x00, 0x00,
-	0xff, 0xff, 0x4e, 0x61, 0xcb, 0xc4, 0x7f, 0x04, 0x00, 0x00,
+	// 487 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xbc, 0x53, 0x3d, 0x6f, 0xd3, 0x40,
+	0x18, 0xce, 0xa5, 0x4e, 0xe2, 0x5c, 0x1b, 0x08, 0xa7, 0xaa, 0xb2, 0x22, 0x64, 0x5b, 0x1e, 0x90,
+	0x59, 0x6c, 0xa9, 0x1d, 0xd8, 0x5d, 0x06, 0x82, 0x40, 0x94, 0x6b, 0xd5, 0x81, 0x25, 0xba, 0xd8,
+	0x87, 0x6d, 0xe1, 0xf8, 0x4e, 0xf6, 0x65, 0xe8, 0xc2, 0x6f, 0xe8, 0xef, 0xe0, 0x97, 0x74, 0xec,
+	0x08, 0x4b, 0x40, 0xce, 0x1f, 0x41, 0x77, 0x4e, 0xec, 0xa8, 0x01, 0x16, 0x10, 0xcb, 0xe9, 0xfd,
+	0x78, 0xee, 0x79, 0x1f, 0x3d, 0xaf, 0x5e, 0x68, 0x0b, 0x9a, 0x47, 0xb4, 0x58, 0xa4, 0xb9, 0xf0,
+	0xc5, 0x0d, 0xa7, 0xa5, 0x1f, 0x92, 0x9c, 0xe5, 0x69, 0x48, 0x32, 0x8f, 0x17, 0x4c, 0x30, 0x34,
+	0x6e, 0x11, 0x9e, 0x42, 0x4c, 0x8e, 0x63, 0x16, 0x33, 0xd5, 0xf4, 0x65, 0x54, 0xe3, 0x26, 0x4f,
+	0xf7, 0x98, 0xd4, 0xbb, 0xe9, 0x5a, 0x31, 0x63, 0x71, 0x46, 0x7d, 0x95, 0xcd, 0x97, 0x1f, 0x7d,
+	0x91, 0x2e, 0x68, 0x29, 0xc8, 0x82, 0xd7, 0x00, 0xe7, 0x33, 0x1c, 0x9f, 0x6f, 0x27, 0x07, 0x19,
+	0x0b, 0x3f, 0x4d, 0x5f, 0x22, 0x04, 0xb5, 0x84, 0x94, 0x89, 0x01, 0x6c, 0xe0, 0x1e, 0x61, 0x15,
+	0xa3, 0x6b, 0xf8, 0x98, 0x93, 0x42, 0xcc, 0x4a, 0x2a, 0x66, 0x09, 0x25, 0x11, 0x2d, 0x8c, 0xae,
+	0x0d, 0xdc, 0xc3, 0x53, 0xd7, 0x7b, 0x28, 0xd4, 0x6b, 0x08, 0x2f, 0x48, 0x21, 0x2e, 0xa9, 0x78,
+	0xa5, 0xf0, 0x81, 0x76, 0xb7, 0xb2, 0x3a, 0x78, 0xc4, 0x77, 0x8b, 0x4e, 0x00, 0x4f, 0x7e, 0x0d,
+	0x47, 0xc7, 0xb0, 0x27, 0x98, 0x20, 0x99, 0x92, 0x31, 0xc2, 0x75, 0xd2, 0x68, 0xeb, 0xb6, 0xda,
+	0x9c, 0x6f, 0x5d, 0xf8, 0xa4, 0x25, 0x29, 0x18, 0x67, 0x25, 0xc9, 0xd0, 0x19, 0xd4, 0xa4, 0x1c,
+	0xf5, 0xfd, 0xd1, 0xa9, 0xb5, 0x2f, 0xf3, 0x32, 0x8d, 0x73, 0x1a, 0xbd, 0x2d, 0xe3, 0xab, 0x1b,
+	0x4e, 0xb1, 0x02, 0xa3, 0x13, 0xd8, 0x4f, 0x68, 0x1a, 0x27, 0x42, 0x0d, 0x18, 0xe3, 0x4d, 0x26,
+	0xc5, 0x14, 0x6c, 0x99, 0x47, 0xc6, 0x81, 0x2a, 0xd7, 0x09, 0x7a, 0x0e, 0x87, 0x9c, 0x65, 0xb3,
+	0xba, 0xa3, 0xd9, 0xc0, 0x3d, 0x08, 0x8e, 0xaa, 0x95, 0xa5, 0x5f, 0xbc, 0x7b, 0x83, 0x65, 0x0d,
+	0xeb, 0x9c, 0x65, 0x2a, 0x42, 0xaf, 0xa1, 0x3e, 0x97, 0xf6, 0xce, 0xd2, 0xc8, 0xe8, 0x29, 0xe3,
+	0x9c, 0x3f, 0x18, 0xb7, 0xd9, 0x44, 0x70, 0x58, 0xad, 0xac, 0xc1, 0x26, 0xc1, 0x03, 0x45, 0x30,
+	0x8d, 0x50, 0x00, 0x87, 0xcd, 0x1a, 0x8d, 0xbe, 0x22, 0x9b, 0x78, 0xf5, 0xa2, 0xbd, 0xed, 0xa2,
+	0xbd, 0xab, 0x2d, 0x22, 0xd0, 0xa5, 0xef, 0xb7, 0xdf, 0x2d, 0x80, 0xdb, 0x6f, 0xe8, 0x19, 0xd4,
+	0xc3, 0x84, 0xa4, 0xb9, 0xd4, 0x33, 0xb0, 0x81, 0x3b, 0xac, 0x67, 0x9d, 0xcb, 0x9a, 0x9c, 0xa5,
+	0x9a, 0xd3, 0xc8, 0xf9, 0xd2, 0x85, 0xa3, 0x46, 0xd6, 0x35, 0x13, 0xf4, 0x7f, 0xf8, 0xba, 0x6b,
+	0x96, 0xf6, 0x2f, 0xcd, 0xea, 0xfd, 0xbd, 0x59, 0xfd, 0xdf, 0x9b, 0x15, 0xbc, 0xbf, 0xab, 0x4c,
+	0x70, 0x5f, 0x99, 0xe0, 0x47, 0x65, 0x82, 0xdb, 0xb5, 0xd9, 0xb9, 0x5f, 0x9b, 0x9d, 0xaf, 0x6b,
+	0xb3, 0xf3, 0xe1, 0x45, 0x9c, 0x8a, 0x64, 0x39, 0xf7, 0x42, 0xb6, 0xf0, 0x77, 0x0f, 0xb6, 0x0d,
+	0xeb, 0xc3, 0x7e, 0x78, 0xcc, 0xf3, 0xbe, 0xaa, 0x9f, 0xfd, 0x0c, 0x00, 0x00, 0xff, 0xff, 0x6d,
+	0xdd, 0x12, 0x5d, 0x31, 0x04, 0x00, 0x00,
 }
 
 func (m *CanonicalBlockID) Marshal() (dAtA []byte, err error) {
@@ -529,18 +519,6 @@ func (m *CanonicalVote) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	_ = i
 	var l int
 	_ = l
-	if m.VoteExtension != nil {
-		{
-			size, err := m.VoteExtension.MarshalToSizedBuffer(dAtA[:i])
-			if err != nil {
-				return 0, err
-			}
-			i -= size
-			i = encodeVarintCanonical(dAtA, i, uint64(size))
-		}
-		i--
-		dAtA[i] = 0x3a
-	}
 	if len(m.ChainID) > 0 {
 		i -= len(m.ChainID)
 		copy(dAtA[i:], m.ChainID)
@@ -548,12 +526,12 @@ func (m *CanonicalVote) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 		i--
 		dAtA[i] = 0x32
 	}
-	n5, err5 := github_com_gogo_protobuf_types.StdTimeMarshalTo(m.Timestamp, dAtA[i-github_com_gogo_protobuf_types.SizeOfStdTime(m.Timestamp):])
-	if err5 != nil {
-		return 0, err5
+	n4, err4 := github_com_gogo_protobuf_types.StdTimeMarshalTo(m.Timestamp, dAtA[i-github_com_gogo_protobuf_types.SizeOfStdTime(m.Timestamp):])
+	if err4 != nil {
+		return 0, err4
 	}
-	i -= n5
-	i = encodeVarintCanonical(dAtA, i, uint64(n5))
+	i -= n4
+	i = encodeVarintCanonical(dAtA, i, uint64(n4))
 	i--
 	dAtA[i] = 0x2a
 	if m.BlockID != nil {
@@ -686,10 +664,6 @@ func (m *CanonicalVote) Size() (n int) {
 	if l > 0 {
 		n += 1 + l + sovCanonical(uint64(l))
 	}
-	if m.VoteExtension != nil {
-		l = m.VoteExtension.Size()
-		n += 1 + l + sovCanonical(uint64(l))
-	}
 	return n
 }
 
@@ -1297,42 +1271,6 @@ func (m *CanonicalVote) Unmarshal(dAtA []byte) error {
 			}
 			m.ChainID = string(dAtA[iNdEx:postIndex])
 			iNdEx = postIndex
-		case 7:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field VoteExtension", wireType)
-			}
-			var msglen int
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowCanonical
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				msglen |= int(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			if msglen < 0 {
-				return ErrInvalidLengthCanonical
-			}
-			postIndex := iNdEx + msglen
-			if postIndex < 0 {
-				return ErrInvalidLengthCanonical
-			}
-			if postIndex > l {
-				return io.ErrUnexpectedEOF
-			}
-			if m.VoteExtension == nil {
-				m.VoteExtension = &VoteExtensionToSign{}
-			}
-			if err := m.VoteExtension.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
-				return err
-			}
-			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipCanonical(dAtA[iNdEx:])

proto/tendermint/types/types.pb.go

@@ -466,15 +466,19 @@ func (m *Data) GetTxs() [][]byte {
 // Vote represents a prevote, precommit, or commit vote from validators for
 // consensus.
 type Vote struct {
-	Type             SignedMsgType  `protobuf:"varint,1,opt,name=type,proto3,enum=tendermint.types.SignedMsgType" json:"type,omitempty"`
-	Height           int64          `protobuf:"varint,2,opt,name=height,proto3" json:"height,omitempty"`
-	Round            int32          `protobuf:"varint,3,opt,name=round,proto3" json:"round,omitempty"`
-	BlockID          BlockID        `protobuf:"bytes,4,opt,name=block_id,json=blockId,proto3" json:"block_id"`
-	Timestamp        time.Time      `protobuf:"bytes,5,opt,name=timestamp,proto3,stdtime" json:"timestamp"`
-	ValidatorAddress []byte         `protobuf:"bytes,6,opt,name=validator_address,json=validatorAddress,proto3" json:"validator_address,omitempty"`
-	ValidatorIndex   int32          `protobuf:"varint,7,opt,name=validator_index,json=validatorIndex,proto3" json:"validator_index,omitempty"`
-	Signature        []byte         `protobuf:"bytes,8,opt,name=signature,proto3" json:"signature,omitempty"`
-	VoteExtension    *VoteExtension `protobuf:"bytes,9,opt,name=vote_extension,json=voteExtension,proto3" json:"vote_extension,omitempty"`
+	Type             SignedMsgType `protobuf:"varint,1,opt,name=type,proto3,enum=tendermint.types.SignedMsgType" json:"type,omitempty"`
+	Height           int64         `protobuf:"varint,2,opt,name=height,proto3" json:"height,omitempty"`
+	Round            int32         `protobuf:"varint,3,opt,name=round,proto3" json:"round,omitempty"`
+	BlockID          BlockID       `protobuf:"bytes,4,opt,name=block_id,json=blockId,proto3" json:"block_id"`
+	Timestamp        time.Time     `protobuf:"bytes,5,opt,name=timestamp,proto3,stdtime" json:"timestamp"`
+	ValidatorAddress []byte        `protobuf:"bytes,6,opt,name=validator_address,json=validatorAddress,proto3" json:"validator_address,omitempty"`
+	ValidatorIndex   int32         `protobuf:"varint,7,opt,name=validator_index,json=validatorIndex,proto3" json:"validator_index,omitempty"`
+	// Signature by the validator if they participated in consensus for the associated block.
+	Signature []byte `protobuf:"bytes,8,opt,name=signature,proto3" json:"signature,omitempty"`
+	// Vote extension provided by the application. Only valid for precommit messages.
+	Extension []byte `protobuf:"bytes,9,opt,name=extension,proto3" json:"extension,omitempty"`
+	// Signature by the validator if they participated in consensus for the associated block.
+	ExtensionSignature []byte `protobuf:"bytes,10,opt,name=extension_signature,json=extensionSignature,proto3" json:"extension_signature,omitempty"`
 }
 
 func (m *Vote) Reset()         { *m = Vote{} }
@@ -566,108 +570,16 @@ func (m *Vote) GetSignature() []byte {
 	return nil
 }
 
-func (m *Vote) GetVoteExtension() *VoteExtension {
+func (m *Vote) GetExtension() []byte {
 	if m != nil {
-		return m.VoteExtension
+		return m.Extension
 	}
 	return nil
 }
 
-// VoteExtension is app-defined additional information to the validator votes.
-type VoteExtension struct {
-	AppDataToSign             []byte `protobuf:"bytes,1,opt,name=app_data_to_sign,json=appDataToSign,proto3" json:"app_data_to_sign,omitempty"`
-	AppDataSelfAuthenticating []byte `protobuf:"bytes,2,opt,name=app_data_self_authenticating,json=appDataSelfAuthenticating,proto3" json:"app_data_self_authenticating,omitempty"`
-}
-
-func (m *VoteExtension) Reset()         { *m = VoteExtension{} }
-func (m *VoteExtension) String() string { return proto.CompactTextString(m) }
-func (*VoteExtension) ProtoMessage()    {}
-func (*VoteExtension) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d3a6e55e2345de56, []int{6}
-}
-func (m *VoteExtension) XXX_Unmarshal(b []byte) error {
-	return m.Unmarshal(b)
-}
-func (m *VoteExtension) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	if deterministic {
-		return xxx_messageInfo_VoteExtension.Marshal(b, m, deterministic)
-	} else {
-		b = b[:cap(b)]
-		n, err := m.MarshalToSizedBuffer(b)
-		if err != nil {
-			return nil, err
-		}
-		return b[:n], nil
-	}
-}
-func (m *VoteExtension) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_VoteExtension.Merge(m, src)
-}
-func (m *VoteExtension) XXX_Size() int {
-	return m.Size()
-}
-func (m *VoteExtension) XXX_DiscardUnknown() {
-	xxx_messageInfo_VoteExtension.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_VoteExtension proto.InternalMessageInfo
-
-func (m *VoteExtension) GetAppDataToSign() []byte {
-	if m != nil {
-		return m.AppDataToSign
-	}
-	return nil
-}
-
-func (m *VoteExtension) GetAppDataSelfAuthenticating() []byte {
-	if m != nil {
-		return m.AppDataSelfAuthenticating
-	}
-	return nil
-}
-
-// VoteExtensionToSign is a subset of VoteExtension that is signed by the validators private key.
-// VoteExtensionToSign is extracted from an existing VoteExtension.
-type VoteExtensionToSign struct {
-	AppDataToSign []byte `protobuf:"bytes,1,opt,name=app_data_to_sign,json=appDataToSign,proto3" json:"app_data_to_sign,omitempty"`
-}
-
-func (m *VoteExtensionToSign) Reset()         { *m = VoteExtensionToSign{} }
-func (m *VoteExtensionToSign) String() string { return proto.CompactTextString(m) }
-func (*VoteExtensionToSign) ProtoMessage()    {}
-func (*VoteExtensionToSign) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d3a6e55e2345de56, []int{7}
-}
-func (m *VoteExtensionToSign) XXX_Unmarshal(b []byte) error {
-	return m.Unmarshal(b)
-}
-func (m *VoteExtensionToSign) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	if deterministic {
-		return xxx_messageInfo_VoteExtensionToSign.Marshal(b, m, deterministic)
-	} else {
-		b = b[:cap(b)]
-		n, err := m.MarshalToSizedBuffer(b)
-		if err != nil {
-			return nil, err
-		}
-		return b[:n], nil
-	}
-}
-func (m *VoteExtensionToSign) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_VoteExtensionToSign.Merge(m, src)
-}
-func (m *VoteExtensionToSign) XXX_Size() int {
-	return m.Size()
-}
-func (m *VoteExtensionToSign) XXX_DiscardUnknown() {
-	xxx_messageInfo_VoteExtensionToSign.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_VoteExtensionToSign proto.InternalMessageInfo
-
-func (m *VoteExtensionToSign) GetAppDataToSign() []byte {
+func (m *Vote) GetExtensionSignature() []byte {
 	if m != nil {
-		return m.AppDataToSign
+		return m.ExtensionSignature
 	}
 	return nil
 }
@@ -685,7 +597,7 @@ func (m *Commit) Reset()         { *m = Commit{} }
 func (m *Commit) String() string { return proto.CompactTextString(m) }
 func (*Commit) ProtoMessage()    {}
 func (*Commit) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d3a6e55e2345de56, []int{8}
+	return fileDescriptor_d3a6e55e2345de56, []int{6}
 }
 func (m *Commit) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -744,18 +656,17 @@ func (m *Commit) GetSignatures() []CommitSig {
 
 // 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"`
-	ValidatorAddress []byte               `protobuf:"bytes,2,opt,name=validator_address,json=validatorAddress,proto3" json:"validator_address,omitempty"`
-	Timestamp        time.Time            `protobuf:"bytes,3,opt,name=timestamp,proto3,stdtime" json:"timestamp"`
-	Signature        []byte               `protobuf:"bytes,4,opt,name=signature,proto3" json:"signature,omitempty"`
-	VoteExtension    *VoteExtensionToSign `protobuf:"bytes,5,opt,name=vote_extension,json=voteExtension,proto3" json:"vote_extension,omitempty"`
+	BlockIdFlag      BlockIDFlag `protobuf:"varint,1,opt,name=block_id_flag,json=blockIdFlag,proto3,enum=tendermint.types.BlockIDFlag" json:"block_id_flag,omitempty"`
+	ValidatorAddress []byte      `protobuf:"bytes,2,opt,name=validator_address,json=validatorAddress,proto3" json:"validator_address,omitempty"`
+	Timestamp        time.Time   `protobuf:"bytes,3,opt,name=timestamp,proto3,stdtime" json:"timestamp"`
+	Signature        []byte      `protobuf:"bytes,4,opt,name=signature,proto3" json:"signature,omitempty"`
 }
 
 func (m *CommitSig) Reset()         { *m = CommitSig{} }
 func (m *CommitSig) String() string { return proto.CompactTextString(m) }
 func (*CommitSig) ProtoMessage()    {}
 func (*CommitSig) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d3a6e55e2345de56, []int{9}
+	return fileDescriptor_d3a6e55e2345de56, []int{7}
 }
 func (m *CommitSig) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -812,13 +723,6 @@ func (m *CommitSig) GetSignature() []byte {
 	return nil
 }
 
-func (m *CommitSig) GetVoteExtension() *VoteExtensionToSign {
-	if m != nil {
-		return m.VoteExtension
-	}
-	return nil
-}
-
 type Proposal struct {
 	Type      SignedMsgType `protobuf:"varint,1,opt,name=type,proto3,enum=tendermint.types.SignedMsgType" json:"type,omitempty"`
 	Height    int64         `protobuf:"varint,2,opt,name=height,proto3" json:"height,omitempty"`
@@ -833,7 +737,7 @@ func (m *Proposal) Reset()         { *m = Proposal{} }
 func (m *Proposal) String() string { return proto.CompactTextString(m) }
 func (*Proposal) ProtoMessage()    {}
 func (*Proposal) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d3a6e55e2345de56, []int{10}
+	return fileDescriptor_d3a6e55e2345de56, []int{8}
 }
 func (m *Proposal) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -920,7 +824,7 @@ func (m *SignedHeader) Reset()         { *m = SignedHeader{} }
 func (m *SignedHeader) String() string { return proto.CompactTextString(m) }
 func (*SignedHeader) ProtoMessage()    {}
 func (*SignedHeader) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d3a6e55e2345de56, []int{11}
+	return fileDescriptor_d3a6e55e2345de56, []int{9}
 }
 func (m *SignedHeader) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -972,7 +876,7 @@ func (m *LightBlock) Reset()         { *m = LightBlock{} }
 func (m *LightBlock) String() string { return proto.CompactTextString(m) }
 func (*LightBlock) ProtoMessage()    {}
 func (*LightBlock) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d3a6e55e2345de56, []int{12}
+	return fileDescriptor_d3a6e55e2345de56, []int{10}
 }
 func (m *LightBlock) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -1026,7 +930,7 @@ func (m *BlockMeta) Reset()         { *m = BlockMeta{} }
 func (m *BlockMeta) String() string { return proto.CompactTextString(m) }
 func (*BlockMeta) ProtoMessage()    {}
 func (*BlockMeta) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d3a6e55e2345de56, []int{13}
+	return fileDescriptor_d3a6e55e2345de56, []int{11}
 }
 func (m *BlockMeta) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -1095,7 +999,7 @@ func (m *TxProof) Reset()         { *m = TxProof{} }
 func (m *TxProof) String() string { return proto.CompactTextString(m) }
 func (*TxProof) ProtoMessage()    {}
 func (*TxProof) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d3a6e55e2345de56, []int{14}
+	return fileDescriptor_d3a6e55e2345de56, []int{12}
 }
 func (m *TxProof) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -1154,8 +1058,6 @@ func init() {
 	proto.RegisterType((*Header)(nil), "tendermint.types.Header")
 	proto.RegisterType((*Data)(nil), "tendermint.types.Data")
 	proto.RegisterType((*Vote)(nil), "tendermint.types.Vote")
-	proto.RegisterType((*VoteExtension)(nil), "tendermint.types.VoteExtension")
-	proto.RegisterType((*VoteExtensionToSign)(nil), "tendermint.types.VoteExtensionToSign")
 	proto.RegisterType((*Commit)(nil), "tendermint.types.Commit")
 	proto.RegisterType((*CommitSig)(nil), "tendermint.types.CommitSig")
 	proto.RegisterType((*Proposal)(nil), "tendermint.types.Proposal")
@@ -1168,96 +1070,91 @@ func init() {
 func init() { proto.RegisterFile("tendermint/types/types.proto", fileDescriptor_d3a6e55e2345de56) }
 
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 }
 
 func (m *PartSetHeader) Marshal() (dAtA []byte, err error) {
@@ -1558,15 +1455,17 @@ func (m *Vote) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	_ = i
 	var l int
 	_ = l
-	if m.VoteExtension != nil {
-		{
-			size, err := m.VoteExtension.MarshalToSizedBuffer(dAtA[:i])
-			if err != nil {
-				return 0, err
-			}
-			i -= size
-			i = encodeVarintTypes(dAtA, i, uint64(size))
-		}
+	if len(m.ExtensionSignature) > 0 {
+		i -= len(m.ExtensionSignature)
+		copy(dAtA[i:], m.ExtensionSignature)
+		i = encodeVarintTypes(dAtA, i, uint64(len(m.ExtensionSignature)))
+		i--
+		dAtA[i] = 0x52
+	}
+	if len(m.Extension) > 0 {
+		i -= len(m.Extension)
+		copy(dAtA[i:], m.Extension)
+		i = encodeVarintTypes(dAtA, i, uint64(len(m.Extension)))
 		i--
 		dAtA[i] = 0x4a
 	}
@@ -1589,12 +1488,12 @@ func (m *Vote) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 		i--
 		dAtA[i] = 0x32
 	}
-	n7, err7 := github_com_gogo_protobuf_types.StdTimeMarshalTo(m.Timestamp, dAtA[i-github_com_gogo_protobuf_types.SizeOfStdTime(m.Timestamp):])
-	if err7 != nil {
-		return 0, err7
+	n6, err6 := github_com_gogo_protobuf_types.StdTimeMarshalTo(m.Timestamp, dAtA[i-github_com_gogo_protobuf_types.SizeOfStdTime(m.Timestamp):])
+	if err6 != nil {
+		return 0, err6
 	}
-	i -= n7
-	i = encodeVarintTypes(dAtA, i, uint64(n7))
+	i -= n6
+	i = encodeVarintTypes(dAtA, i, uint64(n6))
 	i--
 	dAtA[i] = 0x2a
 	{
@@ -1625,73 +1524,6 @@ func (m *Vote) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	return len(dAtA) - i, nil
 }
 
-func (m *VoteExtension) Marshal() (dAtA []byte, err error) {
-	size := m.Size()
-	dAtA = make([]byte, size)
-	n, err := m.MarshalToSizedBuffer(dAtA[:size])
-	if err != nil {
-		return nil, err
-	}
-	return dAtA[:n], nil
-}
-
-func (m *VoteExtension) MarshalTo(dAtA []byte) (int, error) {
-	size := m.Size()
-	return m.MarshalToSizedBuffer(dAtA[:size])
-}
-
-func (m *VoteExtension) MarshalToSizedBuffer(dAtA []byte) (int, error) {
-	i := len(dAtA)
-	_ = i
-	var l int
-	_ = l
-	if len(m.AppDataSelfAuthenticating) > 0 {
-		i -= len(m.AppDataSelfAuthenticating)
-		copy(dAtA[i:], m.AppDataSelfAuthenticating)
-		i = encodeVarintTypes(dAtA, i, uint64(len(m.AppDataSelfAuthenticating)))
-		i--
-		dAtA[i] = 0x12
-	}
-	if len(m.AppDataToSign) > 0 {
-		i -= len(m.AppDataToSign)
-		copy(dAtA[i:], m.AppDataToSign)
-		i = encodeVarintTypes(dAtA, i, uint64(len(m.AppDataToSign)))
-		i--
-		dAtA[i] = 0xa
-	}
-	return len(dAtA) - i, nil
-}
-
-func (m *VoteExtensionToSign) Marshal() (dAtA []byte, err error) {
-	size := m.Size()
-	dAtA = make([]byte, size)
-	n, err := m.MarshalToSizedBuffer(dAtA[:size])
-	if err != nil {
-		return nil, err
-	}
-	return dAtA[:n], nil
-}
-
-func (m *VoteExtensionToSign) MarshalTo(dAtA []byte) (int, error) {
-	size := m.Size()
-	return m.MarshalToSizedBuffer(dAtA[:size])
-}
-
-func (m *VoteExtensionToSign) MarshalToSizedBuffer(dAtA []byte) (int, error) {
-	i := len(dAtA)
-	_ = i
-	var l int
-	_ = l
-	if len(m.AppDataToSign) > 0 {
-		i -= len(m.AppDataToSign)
-		copy(dAtA[i:], m.AppDataToSign)
-		i = encodeVarintTypes(dAtA, i, uint64(len(m.AppDataToSign)))
-		i--
-		dAtA[i] = 0xa
-	}
-	return len(dAtA) - i, nil
-}
-
 func (m *Commit) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
 	dAtA = make([]byte, size)
@@ -1769,18 +1601,6 @@ func (m *CommitSig) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	_ = i
 	var l int
 	_ = l
-	if m.VoteExtension != nil {
-		{
-			size, err := m.VoteExtension.MarshalToSizedBuffer(dAtA[:i])
-			if err != nil {
-				return 0, err
-			}
-			i -= size
-			i = encodeVarintTypes(dAtA, i, uint64(size))
-		}
-		i--
-		dAtA[i] = 0x2a
-	}
 	if len(m.Signature) > 0 {
 		i -= len(m.Signature)
 		copy(dAtA[i:], m.Signature)
@@ -1788,12 +1608,12 @@ func (m *CommitSig) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 		i--
 		dAtA[i] = 0x22
 	}
-	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
+	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 -= n11
-	i = encodeVarintTypes(dAtA, i, uint64(n11))
+	i -= n9
+	i = encodeVarintTypes(dAtA, i, uint64(n9))
 	i--
 	dAtA[i] = 0x1a
 	if len(m.ValidatorAddress) > 0 {
@@ -1838,12 +1658,12 @@ func (m *Proposal) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 		i--
 		dAtA[i] = 0x3a
 	}
-	n12, err12 := github_com_gogo_protobuf_types.StdTimeMarshalTo(m.Timestamp, dAtA[i-github_com_gogo_protobuf_types.SizeOfStdTime(m.Timestamp):])
-	if err12 != nil {
-		return 0, err12
+	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 -= n12
-	i = encodeVarintTypes(dAtA, i, uint64(n12))
+	i -= n10
+	i = encodeVarintTypes(dAtA, i, uint64(n10))
 	i--
 	dAtA[i] = 0x32
 	{
@@ -2238,37 +2058,11 @@ func (m *Vote) Size() (n int) {
 	if l > 0 {
 		n += 1 + l + sovTypes(uint64(l))
 	}
-	if m.VoteExtension != nil {
-		l = m.VoteExtension.Size()
-		n += 1 + l + sovTypes(uint64(l))
-	}
-	return n
-}
-
-func (m *VoteExtension) Size() (n int) {
-	if m == nil {
-		return 0
-	}
-	var l int
-	_ = l
-	l = len(m.AppDataToSign)
-	if l > 0 {
-		n += 1 + l + sovTypes(uint64(l))
-	}
-	l = len(m.AppDataSelfAuthenticating)
+	l = len(m.Extension)
 	if l > 0 {
 		n += 1 + l + sovTypes(uint64(l))
 	}
-	return n
-}
-
-func (m *VoteExtensionToSign) Size() (n int) {
-	if m == nil {
-		return 0
-	}
-	var l int
-	_ = l
-	l = len(m.AppDataToSign)
+	l = len(m.ExtensionSignature)
 	if l > 0 {
 		n += 1 + l + sovTypes(uint64(l))
 	}
@@ -2317,10 +2111,6 @@ func (m *CommitSig) Size() (n int) {
 	if l > 0 {
 		n += 1 + l + sovTypes(uint64(l))
 	}
-	if m.VoteExtension != nil {
-		l = m.VoteExtension.Size()
-		n += 1 + l + sovTypes(uint64(l))
-	}
 	return n
 }
 
@@ -3618,127 +3408,7 @@ func (m *Vote) Unmarshal(dAtA []byte) error {
 			iNdEx = postIndex
 		case 9:
 			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field VoteExtension", 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.VoteExtension == nil {
-				m.VoteExtension = &VoteExtension{}
-			}
-			if err := m.VoteExtension.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
-				return err
-			}
-			iNdEx = postIndex
-		default:
-			iNdEx = preIndex
-			skippy, err := skipTypes(dAtA[iNdEx:])
-			if err != nil {
-				return err
-			}
-			if (skippy < 0) || (iNdEx+skippy) < 0 {
-				return ErrInvalidLengthTypes
-			}
-			if (iNdEx + skippy) > l {
-				return io.ErrUnexpectedEOF
-			}
-			iNdEx += skippy
-		}
-	}
-
-	if iNdEx > l {
-		return io.ErrUnexpectedEOF
-	}
-	return nil
-}
-func (m *VoteExtension) Unmarshal(dAtA []byte) error {
-	l := len(dAtA)
-	iNdEx := 0
-	for iNdEx < l {
-		preIndex := iNdEx
-		var wire uint64
-		for shift := uint(0); ; shift += 7 {
-			if shift >= 64 {
-				return ErrIntOverflowTypes
-			}
-			if iNdEx >= l {
-				return io.ErrUnexpectedEOF
-			}
-			b := dAtA[iNdEx]
-			iNdEx++
-			wire |= uint64(b&0x7F) << shift
-			if b < 0x80 {
-				break
-			}
-		}
-		fieldNum := int32(wire >> 3)
-		wireType := int(wire & 0x7)
-		if wireType == 4 {
-			return fmt.Errorf("proto: VoteExtension: wiretype end group for non-group")
-		}
-		if fieldNum <= 0 {
-			return fmt.Errorf("proto: VoteExtension: illegal tag %d (wire type %d)", fieldNum, wire)
-		}
-		switch fieldNum {
-		case 1:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field AppDataToSign", 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.AppDataToSign = append(m.AppDataToSign[:0], dAtA[iNdEx:postIndex]...)
-			if m.AppDataToSign == nil {
-				m.AppDataToSign = []byte{}
-			}
-			iNdEx = postIndex
-		case 2:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field AppDataSelfAuthenticating", wireType)
+				return fmt.Errorf("proto: wrong wireType = %d for field Extension", wireType)
 			}
 			var byteLen int
 			for shift := uint(0); ; shift += 7 {
@@ -3765,64 +3435,14 @@ func (m *VoteExtension) Unmarshal(dAtA []byte) error {
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
-			m.AppDataSelfAuthenticating = append(m.AppDataSelfAuthenticating[:0], dAtA[iNdEx:postIndex]...)
-			if m.AppDataSelfAuthenticating == nil {
-				m.AppDataSelfAuthenticating = []byte{}
+			m.Extension = append(m.Extension[:0], dAtA[iNdEx:postIndex]...)
+			if m.Extension == nil {
+				m.Extension = []byte{}
 			}
 			iNdEx = postIndex
-		default:
-			iNdEx = preIndex
-			skippy, err := skipTypes(dAtA[iNdEx:])
-			if err != nil {
-				return err
-			}
-			if (skippy < 0) || (iNdEx+skippy) < 0 {
-				return ErrInvalidLengthTypes
-			}
-			if (iNdEx + skippy) > l {
-				return io.ErrUnexpectedEOF
-			}
-			iNdEx += skippy
-		}
-	}
-
-	if iNdEx > l {
-		return io.ErrUnexpectedEOF
-	}
-	return nil
-}
-func (m *VoteExtensionToSign) Unmarshal(dAtA []byte) error {
-	l := len(dAtA)
-	iNdEx := 0
-	for iNdEx < l {
-		preIndex := iNdEx
-		var wire uint64
-		for shift := uint(0); ; shift += 7 {
-			if shift >= 64 {
-				return ErrIntOverflowTypes
-			}
-			if iNdEx >= l {
-				return io.ErrUnexpectedEOF
-			}
-			b := dAtA[iNdEx]
-			iNdEx++
-			wire |= uint64(b&0x7F) << shift
-			if b < 0x80 {
-				break
-			}
-		}
-		fieldNum := int32(wire >> 3)
-		wireType := int(wire & 0x7)
-		if wireType == 4 {
-			return fmt.Errorf("proto: VoteExtensionToSign: wiretype end group for non-group")
-		}
-		if fieldNum <= 0 {
-			return fmt.Errorf("proto: VoteExtensionToSign: illegal tag %d (wire type %d)", fieldNum, wire)
-		}
-		switch fieldNum {
-		case 1:
+		case 10:
 			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field AppDataToSign", wireType)
+				return fmt.Errorf("proto: wrong wireType = %d for field ExtensionSignature", wireType)
 			}
 			var byteLen int
 			for shift := uint(0); ; shift += 7 {
@@ -3849,9 +3469,9 @@ func (m *VoteExtensionToSign) Unmarshal(dAtA []byte) error {
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
-			m.AppDataToSign = append(m.AppDataToSign[:0], dAtA[iNdEx:postIndex]...)
-			if m.AppDataToSign == nil {
-				m.AppDataToSign = []byte{}
+			m.ExtensionSignature = append(m.ExtensionSignature[:0], dAtA[iNdEx:postIndex]...)
+			if m.ExtensionSignature == nil {
+				m.ExtensionSignature = []byte{}
 			}
 			iNdEx = postIndex
 		default:
@@ -4179,42 +3799,6 @@ func (m *CommitSig) Unmarshal(dAtA []byte) error {
 				m.Signature = []byte{}
 			}
 			iNdEx = postIndex
-		case 5:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field VoteExtension", 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.VoteExtension == nil {
-				m.VoteExtension = &VoteExtensionToSign{}
-			}
-			if err := m.VoteExtension.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
-				return err
-			}
-			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipTypes(dAtA[iNdEx:])

proto/tendermint/types/types.proto

@@ -112,7 +112,12 @@ message Vote {
       [(gogoproto.nullable) = false, (gogoproto.stdtime) = true];
   bytes validator_address = 6;
   int32 validator_index   = 7;
-  bytes signature         = 8;
+  // Signature by the validator if they participated in consensus for the associated block.
+  bytes signature = 8;
+  // Vote extension provided by the application. Only valid for precommit messages.
+  bytes extension = 9;
+  // Signature by the validator if they participated in consensus for the associated block.
+  bytes extension_signature = 10;
 }
 
 // Commit contains the evidence that a block was committed by a set of

types/block.go

@@ -603,21 +603,19 @@ const (
 
 // CommitSig is a part of the Vote included in a Commit.
 type CommitSig struct {
-	BlockIDFlag      BlockIDFlag         `json:"block_id_flag"`
-	ValidatorAddress Address             `json:"validator_address"`
-	Timestamp        time.Time           `json:"timestamp"`
-	Signature        []byte              `json:"signature"`
-	VoteExtension    VoteExtensionToSign `json:"vote_extension"`
+	BlockIDFlag      BlockIDFlag `json:"block_id_flag"`
+	ValidatorAddress Address     `json:"validator_address"`
+	Timestamp        time.Time   `json:"timestamp"`
+	Signature        []byte      `json:"signature"`
 }
 
 // NewCommitSigForBlock returns new CommitSig with BlockIDFlagCommit.
-func NewCommitSigForBlock(signature []byte, valAddr Address, ts time.Time, ext VoteExtensionToSign) CommitSig {
+func NewCommitSigForBlock(signature []byte, valAddr Address, ts time.Time) CommitSig {
 	return CommitSig{
 		BlockIDFlag:      BlockIDFlagCommit,
 		ValidatorAddress: valAddr,
 		Timestamp:        ts,
 		Signature:        signature,
-		VoteExtension:    ext,
 	}
 }
 
@@ -650,14 +648,12 @@ func (cs CommitSig) Absent() bool {
 // 1. first 6 bytes of signature
 // 2. first 6 bytes of validator address
 // 3. block ID flag
-// 4. first 6 bytes of the vote extension
-// 5. timestamp
+// 4. timestamp
 func (cs CommitSig) String() string {
-	return fmt.Sprintf("CommitSig{%X by %X on %v with %X @ %s}",
+	return fmt.Sprintf("CommitSig{%X by %X on %v @ %s}",
 		tmbytes.Fingerprint(cs.Signature),
 		tmbytes.Fingerprint(cs.ValidatorAddress),
 		cs.BlockIDFlag,
-		tmbytes.Fingerprint(cs.VoteExtension.BytesPacked()),
 		CanonicalTime(cs.Timestamp))
 }
 
@@ -729,7 +725,6 @@ func (cs *CommitSig) ToProto() *tmproto.CommitSig {
 		ValidatorAddress: cs.ValidatorAddress,
 		Timestamp:        cs.Timestamp,
 		Signature:        cs.Signature,
-		VoteExtension:    cs.VoteExtension.ToProto(),
 	}
 }
 
@@ -741,7 +736,6 @@ func (cs *CommitSig) FromProto(csp tmproto.CommitSig) error {
 	cs.ValidatorAddress = csp.ValidatorAddress
 	cs.Timestamp = csp.Timestamp
 	cs.Signature = csp.Signature
-	cs.VoteExtension = VoteExtensionToSignFromProto(csp.VoteExtension)
 
 	return cs.ValidateBasic()
 }
@@ -808,7 +802,6 @@ func (commit *Commit) GetVote(valIdx int32) *Vote {
 		ValidatorAddress: commitSig.ValidatorAddress,
 		ValidatorIndex:   valIdx,
 		Signature:        commitSig.Signature,
-		VoteExtension:    commitSig.VoteExtension.ToVoteExtension(),
 	}
 }
 

types/canonical.go

@@ -51,26 +51,16 @@ func CanonicalizeProposal(chainID string, proposal *tmproto.Proposal) tmproto.Ca
 	}
 }
 
-func GetVoteExtensionToSign(ext *tmproto.VoteExtension) *tmproto.VoteExtensionToSign {
-	if ext == nil {
-		return nil
-	}
-	return &tmproto.VoteExtensionToSign{
-		AppDataToSign: ext.AppDataToSign,
-	}
-}
-
 // CanonicalizeVote transforms the given Vote to a CanonicalVote, which does
 // not contain ValidatorIndex and ValidatorAddress fields.
 func CanonicalizeVote(chainID string, vote *tmproto.Vote) tmproto.CanonicalVote {
 	return tmproto.CanonicalVote{
-		Type:          vote.Type,
-		Height:        vote.Height,       // encoded as sfixed64
-		Round:         int64(vote.Round), // encoded as sfixed64
-		BlockID:       CanonicalizeBlockID(vote.BlockID),
-		Timestamp:     vote.Timestamp,
-		ChainID:       chainID,
-		VoteExtension: GetVoteExtensionToSign(vote.VoteExtension),
+		Type:      vote.Type,
+		Height:    vote.Height,       // encoded as sfixed64
+		Round:     int64(vote.Round), // encoded as sfixed64
+		BlockID:   CanonicalizeBlockID(vote.BlockID),
+		Timestamp: vote.Timestamp,
+		ChainID:   chainID,
 	}
 }
 

types/vote.go

@@ -46,86 +46,19 @@ func NewConflictingVoteError(vote1, vote2 *Vote) *ErrVoteConflictingVotes {
 // Address is hex bytes.
 type Address = crypto.Address
 
-// VoteExtensionToSign is a subset of VoteExtension
-// that is signed by the validators private key
-type VoteExtensionToSign struct {
-	AppDataToSign []byte `json:"app_data_to_sign"`
-}
-
-func (ext VoteExtensionToSign) ToProto() *tmproto.VoteExtensionToSign {
-	if ext.IsEmpty() {
-		return nil
-	}
-	return &tmproto.VoteExtensionToSign{
-		AppDataToSign: ext.AppDataToSign,
-	}
-}
-
-func VoteExtensionToSignFromProto(pext *tmproto.VoteExtensionToSign) VoteExtensionToSign {
-	if pext == nil {
-		return VoteExtensionToSign{}
-	}
-	return VoteExtensionToSign{
-		AppDataToSign: pext.AppDataToSign,
-	}
-}
-
-func (ext VoteExtensionToSign) IsEmpty() bool {
-	return len(ext.AppDataToSign) == 0
-}
-
-// BytesPacked returns a bytes-packed representation for
-// debugging and human identification. This function should
-// not be used for any logical operations.
-func (ext VoteExtensionToSign) BytesPacked() []byte {
-	res := []byte{}
-	res = append(res, ext.AppDataToSign...)
-	return res
-}
-
-// ToVoteExtension constructs a VoteExtension from a VoteExtensionToSign
-func (ext VoteExtensionToSign) ToVoteExtension() VoteExtension {
-	return VoteExtension{
-		AppDataToSign: ext.AppDataToSign,
-	}
-}
-
-// VoteExtension is a set of data provided by the application
-// that is additionally included in the vote
-type VoteExtension struct {
-	AppDataToSign             []byte `json:"app_data_to_sign"`
-	AppDataSelfAuthenticating []byte `json:"app_data_self_authenticating"`
-}
-
-// ToSign constructs a VoteExtensionToSign from a VoteExtenstion
-func (ext VoteExtension) ToSign() VoteExtensionToSign {
-	return VoteExtensionToSign{
-		AppDataToSign: ext.AppDataToSign,
-	}
-}
-
-// BytesPacked returns a bytes-packed representation for
-// debugging and human identification. This function should
-// not be used for any logical operations.
-func (ext VoteExtension) BytesPacked() []byte {
-	res := []byte{}
-	res = append(res, ext.AppDataToSign...)
-	res = append(res, ext.AppDataSelfAuthenticating...)
-	return res
-}
-
 // Vote represents a prevote, precommit, or commit vote from validators for
 // consensus.
 type Vote struct {
-	Type             tmproto.SignedMsgType `json:"type"`
-	Height           int64                 `json:"height,string"`
-	Round            int32                 `json:"round"`    // assume there will not be greater than 2_147_483_647 rounds
-	BlockID          BlockID               `json:"block_id"` // zero if vote is nil.
-	Timestamp        time.Time             `json:"timestamp"`
-	ValidatorAddress Address               `json:"validator_address"`
-	ValidatorIndex   int32                 `json:"validator_index"`
-	Signature        []byte                `json:"signature"`
-	VoteExtension    VoteExtension         `json:"vote_extension"`
+	Type               tmproto.SignedMsgType `json:"type"`
+	Height             int64                 `json:"height,string"`
+	Round              int32                 `json:"round"`    // assume there will not be greater than 2_147_483_647 rounds
+	BlockID            BlockID               `json:"block_id"` // zero if vote is nil.
+	Timestamp          time.Time             `json:"timestamp"`
+	ValidatorAddress   Address               `json:"validator_address"`
+	ValidatorIndex     int32                 `json:"validator_index"`
+	Signature          []byte                `json:"signature"`
+	Extension          []byte                `json:"extension"`
+	ExtensionSignature []byte                `json:"extension_signature"`
 }
 
 // CommitSig converts the Vote to a CommitSig.
@@ -149,7 +82,6 @@ func (vote *Vote) CommitSig() CommitSig {
 		ValidatorAddress: vote.ValidatorAddress,
 		Timestamp:        vote.Timestamp,
 		Signature:        vote.Signature,
-		VoteExtension:    vote.VoteExtension.ToSign(),
 	}
 }
 
@@ -173,7 +105,6 @@ func VoteSignBytes(chainID string, vote *tmproto.Vote) []byte {
 
 func (vote *Vote) Copy() *Vote {
 	voteCopy := *vote
-	voteCopy.VoteExtension = vote.VoteExtension.Copy()
 	return &voteCopy
 }
 
@@ -187,8 +118,7 @@ func (vote *Vote) Copy() *Vote {
 // 6. type string
 // 7. first 6 bytes of block hash
 // 8. first 6 bytes of signature
-// 9. first 6 bytes of vote extension
-// 10. timestamp
+// 9. timestamp
 func (vote *Vote) String() string {
 	if vote == nil {
 		return nilVoteStr
@@ -204,7 +134,7 @@ func (vote *Vote) String() string {
 		panic("Unknown vote type")
 	}
 
-	return fmt.Sprintf("Vote{%v:%X %v/%02d/%v(%v) %X %X %X @ %s}",
+	return fmt.Sprintf("Vote{%v:%X %v/%02d/%v(%v) %X %X @ %s}",
 		vote.ValidatorIndex,
 		tmbytes.Fingerprint(vote.ValidatorAddress),
 		vote.Height,
@@ -213,7 +143,6 @@ func (vote *Vote) String() string {
 		typeString,
 		tmbytes.Fingerprint(vote.BlockID.Hash),
 		tmbytes.Fingerprint(vote.Signature),
-		tmbytes.Fingerprint(vote.VoteExtension.BytesPacked()),
 		CanonicalTime(vote.Timestamp),
 	)
 }
@@ -277,35 +206,6 @@ func (vote *Vote) ValidateBasic() error {
 	return nil
 }
 
-func (ext VoteExtension) Copy() VoteExtension {
-	res := VoteExtension{
-		AppDataToSign:             ext.AppDataToSign,
-		AppDataSelfAuthenticating: ext.AppDataSelfAuthenticating,
-	}
-	return res
-}
-
-func (ext VoteExtension) IsEmpty() bool {
-	if len(ext.AppDataToSign) != 0 {
-		return false
-	}
-	if len(ext.AppDataSelfAuthenticating) != 0 {
-		return false
-	}
-	return true
-}
-
-func (ext VoteExtension) ToProto() *tmproto.VoteExtension {
-	if ext.IsEmpty() {
-		return nil
-	}
-
-	return &tmproto.VoteExtension{
-		AppDataToSign:             ext.AppDataToSign,
-		AppDataSelfAuthenticating: ext.AppDataSelfAuthenticating,
-	}
-}
-
 // ToProto converts the handwritten type to proto generated type
 // return type, nil if everything converts safely, otherwise nil, error
 func (vote *Vote) ToProto() *tmproto.Vote {
@@ -322,7 +222,6 @@ func (vote *Vote) ToProto() *tmproto.Vote {
 		ValidatorAddress: vote.ValidatorAddress,
 		ValidatorIndex:   vote.ValidatorIndex,
 		Signature:        vote.Signature,
-		VoteExtension:    vote.VoteExtension.ToProto(),
 	}
 }
 
@@ -342,15 +241,6 @@ func VotesToProto(votes []*Vote) []*tmproto.Vote {
 	return res
 }
 
-func VoteExtensionFromProto(pext *tmproto.VoteExtension) VoteExtension {
-	ext := VoteExtension{}
-	if pext != nil {
-		ext.AppDataToSign = pext.AppDataToSign
-		ext.AppDataSelfAuthenticating = pext.AppDataSelfAuthenticating
-	}
-	return ext
-}
-
 // FromProto converts a proto generetad type to a handwritten type
 // return type, nil if everything converts safely, otherwise nil, error
 func VoteFromProto(pv *tmproto.Vote) (*Vote, error) {
@@ -372,7 +262,6 @@ func VoteFromProto(pv *tmproto.Vote) (*Vote, error) {
 	vote.ValidatorAddress = pv.ValidatorAddress
 	vote.ValidatorIndex = pv.ValidatorIndex
 	vote.Signature = pv.Signature
-	vote.VoteExtension = VoteExtensionFromProto(pv.VoteExtension)
 
 	return vote, vote.ValidateBasic()
 }

types/vote_test.go

@@ -130,10 +130,18 @@ func TestVoteSignBytesTestVectors(t *testing.T) {
 		},
 		// containing vote extension
 		5: {
-			"test_chain_id", &Vote{Height: 1, Round: 1, VoteExtension: VoteExtension{
-				AppDataToSign:             []byte("signed"),
-				AppDataSelfAuthenticating: []byte("auth"),
-			}},
+			"test_chain_id", &Vote{
+				Type:               0,
+				Height:             1,
+				Round:              1,
+				BlockID:            BlockID{},
+				Timestamp:          time.Time{},
+				ValidatorAddress:   []byte{},
+				ValidatorIndex:     0,
+				Signature:          []byte{},
+				Extension:          []byte("signed"),
+				ExtensionSignature: []byte{},
+			},
 			[]byte{
 				0x38,                                   // length
 				0x11,                                   // (field_number << 3) | wire_type