Update protocol buffers

Makefile

@@ -4,6 +4,10 @@ all: protoc install test
 
 NOVENDOR = go list github.com/tendermint/abci/... | grep -v /vendor/
 
+install-protoc:
+	# Download: https://github.com/google/protobuf/releases
+	go get github.com/golang/protobuf/protoc-gen-go
+
 protoc:
 	protoc --go_out=plugins=grpc:. types/*.proto
 

example/chain_aware/chain_aware_app.go

@@ -61,7 +61,7 @@ func (app *ChainAwareApplication) Query(query []byte) types.Result {
 	return types.NewResultOK([]byte(Fmt("%d,%d", app.beginCount, app.endCount)), "")
 }
 
-func (app *ChainAwareApplication) Proof(key []byte) types.Result {
+func (app *ChainAwareApplication) Proof(key []byte, blockHeight int64) types.Result {
 	return types.NewResultOK(nil, Fmt("Proof is not supported"))
 }
 

example/counter/counter.go

@@ -84,6 +84,6 @@ func (app *CounterApplication) Query(query []byte) types.Result {
 	return types.ErrUnknownRequest.SetLog(Fmt("Invalid nonce. Expected hash or tx, got %v", queryStr))
 }
 
-func (app *CounterApplication) Proof(key []byte) types.Result {
+func (app *CounterApplication) Proof(key []byte, blockHeight int64) types.Result {
 	return types.NewResultOK(nil, Fmt("Proof is not supported"))
 }

example/dummy/dummy.go

@@ -53,7 +53,7 @@ func (app *DummyApplication) Query(query []byte) types.Result {
 	return types.NewResultOK(wire.JSONBytes(queryResult), "")
 }
 
-func (app *DummyApplication) Proof(key []byte) types.Result {
+func (app *DummyApplication) Proof(key []byte, blockHeight int64) types.Result {
 	return types.NewResultOK(nil, Fmt("TODO: support proof!"))
 }
 

example/dummy/persistent_dummy.go

@@ -93,7 +93,7 @@ func (app *PersistentDummyApplication) Query(query []byte) types.Result {
 	return app.app.Query(query)
 }
 
-func (app *PersistentDummyApplication) Proof(key []byte) types.Result {
+func (app *PersistentDummyApplication) Proof(key []byte, blockHeight int64) types.Result {
 	return types.NewResultOK(nil, Fmt("TODO: support proof!"))
 }
 

example/nil/nil_app.go

@@ -35,6 +35,6 @@ func (app *NilApplication) Query(query []byte) types.Result {
 	return types.NewResultOK(nil, "")
 }
 
-func (app *NilApplication) Proof(key []byte) types.Result {
+func (app *NilApplication) Proof(key []byte, blockHeight int64) types.Result {
 	return types.NewResultOK(nil, "")
 }

types/application.go

@@ -23,7 +23,7 @@ type Application interface {
 	Query(query []byte) Result
 
 	// Get proof for state
-	Proof(key []byte, blockHeight int) Result
+	Proof(key []byte, blockHeight int64) Result
 
 	// Return the application Merkle root hash
 	Commit() Result
@@ -85,7 +85,7 @@ func (app *GRPCApplication) Query(ctx context.Context, req *RequestQuery) (*Resp
 	return &ResponseQuery{r.Code, r.Data, r.Log}, nil
 }
 
-func (app *GRPCApplication) Proof(ctx context.Context, req *RequestProof) (*ResponseQuery, error) {
+func (app *GRPCApplication) Proof(ctx context.Context, req *RequestProof) (*ResponseProof, error) {
 	r := app.app.Proof(req.Key, req.Height)
 	return &ResponseProof{r.Code, r.Data, r.Log}, nil
 }

types/messages.go

@@ -55,7 +55,7 @@ func ToRequestQuery(queryBytes []byte) *Request {
 	}
 }
 
-func ToRequestProof(key []byte, blockHeight int) *Request {
+func ToRequestProof(key []byte, blockHeight int64) *Request {
 	return &Request{
 		Value: &Request_Proof{&RequestProof{key, blockHeight}},
 	}

types/types.pb.go

@@ -17,6 +17,7 @@ It has these top-level messages:
 	RequestDeliverTx
 	RequestCheckTx
 	RequestQuery
+	RequestProof
 	RequestCommit
 	RequestInitChain
 	RequestBeginBlock
@@ -30,6 +31,7 @@ It has these top-level messages:
 	ResponseDeliverTx
 	ResponseCheckTx
 	ResponseQuery
+	ResponseProof
 	ResponseCommit
 	ResponseInitChain
 	ResponseBeginBlock
@@ -81,6 +83,7 @@ const (
 	MessageType_InitChain   MessageType = 21
 	MessageType_BeginBlock  MessageType = 22
 	MessageType_EndBlock    MessageType = 23
+	MessageType_Proof       MessageType = 24
 )
 
 var MessageType_name = map[int32]string{
@@ -97,6 +100,7 @@ var MessageType_name = map[int32]string{
 	21: "InitChain",
 	22: "BeginBlock",
 	23: "EndBlock",
+	24: "Proof",
 }
 var MessageType_value = map[string]int32{
 	"NullMessage": 0,
@@ -112,6 +116,7 @@ var MessageType_value = map[string]int32{
 	"InitChain":   21,
 	"BeginBlock":  22,
 	"EndBlock":    23,
+	"Proof":       24,
 }
 
 func (x MessageType) String() string {
@@ -240,6 +245,7 @@ type Request struct {
 	//	*Request_InitChain
 	//	*Request_BeginBlock
 	//	*Request_EndBlock
+	//	*Request_Proof
 	Value isRequest_Value `protobuf_oneof:"value"`
 }
 
@@ -285,6 +291,9 @@ type Request_BeginBlock struct {
 type Request_EndBlock struct {
 	EndBlock *RequestEndBlock `protobuf:"bytes,11,opt,name=end_block,json=endBlock,oneof"`
 }
+type Request_Proof struct {
+	Proof *RequestProof `protobuf:"bytes,12,opt,name=proof,oneof"`
+}
 
 func (*Request_Echo) isRequest_Value()       {}
 func (*Request_Flush) isRequest_Value()      {}
@@ -297,6 +306,7 @@ func (*Request_Query) isRequest_Value()      {}
 func (*Request_InitChain) isRequest_Value()  {}
 func (*Request_BeginBlock) isRequest_Value() {}
 func (*Request_EndBlock) isRequest_Value()   {}
+func (*Request_Proof) isRequest_Value()      {}
 
 func (m *Request) GetValue() isRequest_Value {
 	if m != nil {
@@ -382,6 +392,13 @@ func (m *Request) GetEndBlock() *RequestEndBlock {
 	return nil
 }
 
+func (m *Request) GetProof() *RequestProof {
+	if x, ok := m.GetValue().(*Request_Proof); ok {
+		return x.Proof
+	}
+	return nil
+}
+
 // XXX_OneofFuncs is for the internal use of the proto package.
 func (*Request) XXX_OneofFuncs() (func(msg proto.Message, b *proto.Buffer) error, func(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error), func(msg proto.Message) (n int), []interface{}) {
 	return _Request_OneofMarshaler, _Request_OneofUnmarshaler, _Request_OneofSizer, []interface{}{
@@ -396,6 +413,7 @@ func (*Request) XXX_OneofFuncs() (func(msg proto.Message, b *proto.Buffer) error
 		(*Request_InitChain)(nil),
 		(*Request_BeginBlock)(nil),
 		(*Request_EndBlock)(nil),
+		(*Request_Proof)(nil),
 	}
 }
 
@@ -458,6 +476,11 @@ func _Request_OneofMarshaler(msg proto.Message, b *proto.Buffer) error {
 		if err := b.EncodeMessage(x.EndBlock); err != nil {
 			return err
 		}
+	case *Request_Proof:
+		b.EncodeVarint(12<<3 | proto.WireBytes)
+		if err := b.EncodeMessage(x.Proof); err != nil {
+			return err
+		}
 	case nil:
 	default:
 		return fmt.Errorf("Request.Value has unexpected type %T", x)
@@ -556,6 +579,14 @@ func _Request_OneofUnmarshaler(msg proto.Message, tag, wire int, b *proto.Buffer
 		err := b.DecodeMessage(msg)
 		m.Value = &Request_EndBlock{msg}
 		return true, err
+	case 12: // value.proof
+		if wire != proto.WireBytes {
+			return true, proto.ErrInternalBadWireType
+		}
+		msg := new(RequestProof)
+		err := b.DecodeMessage(msg)
+		m.Value = &Request_Proof{msg}
+		return true, err
 	default:
 		return false, nil
 	}
@@ -620,6 +651,11 @@ func _Request_OneofSizer(msg proto.Message) (n int) {
 		n += proto.SizeVarint(11<<3 | proto.WireBytes)
 		n += proto.SizeVarint(uint64(s))
 		n += s
+	case *Request_Proof:
+		s := proto.Size(x.Proof)
+		n += proto.SizeVarint(12<<3 | proto.WireBytes)
+		n += proto.SizeVarint(uint64(s))
+		n += s
 	case nil:
 	default:
 		panic(fmt.Sprintf("proto: unexpected type %T in oneof", x))
@@ -731,13 +767,37 @@ func (m *RequestQuery) GetQuery() []byte {
 	return nil
 }
 
+type RequestProof struct {
+	Key    []byte `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	Height int64  `protobuf:"varint,2,opt,name=height" json:"height,omitempty"`
+}
+
+func (m *RequestProof) Reset()                    { *m = RequestProof{} }
+func (m *RequestProof) String() string            { return proto.CompactTextString(m) }
+func (*RequestProof) ProtoMessage()               {}
+func (*RequestProof) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{8} }
+
+func (m *RequestProof) GetKey() []byte {
+	if m != nil {
+		return m.Key
+	}
+	return nil
+}
+
+func (m *RequestProof) GetHeight() int64 {
+	if m != nil {
+		return m.Height
+	}
+	return 0
+}
+
 type RequestCommit struct {
 }
 
 func (m *RequestCommit) Reset()                    { *m = RequestCommit{} }
 func (m *RequestCommit) String() string            { return proto.CompactTextString(m) }
 func (*RequestCommit) ProtoMessage()               {}
-func (*RequestCommit) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{8} }
+func (*RequestCommit) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{9} }
 
 type RequestInitChain struct {
 	Validators []*Validator `protobuf:"bytes,1,rep,name=validators" json:"validators,omitempty"`
@@ -746,7 +806,7 @@ type RequestInitChain struct {
 func (m *RequestInitChain) Reset()                    { *m = RequestInitChain{} }
 func (m *RequestInitChain) String() string            { return proto.CompactTextString(m) }
 func (*RequestInitChain) ProtoMessage()               {}
-func (*RequestInitChain) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{9} }
+func (*RequestInitChain) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{10} }
 
 func (m *RequestInitChain) GetValidators() []*Validator {
 	if m != nil {
@@ -763,7 +823,7 @@ type RequestBeginBlock struct {
 func (m *RequestBeginBlock) Reset()                    { *m = RequestBeginBlock{} }
 func (m *RequestBeginBlock) String() string            { return proto.CompactTextString(m) }
 func (*RequestBeginBlock) ProtoMessage()               {}
-func (*RequestBeginBlock) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{10} }
+func (*RequestBeginBlock) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{11} }
 
 func (m *RequestBeginBlock) GetHash() []byte {
 	if m != nil {
@@ -786,7 +846,7 @@ type RequestEndBlock struct {
 func (m *RequestEndBlock) Reset()                    { *m = RequestEndBlock{} }
 func (m *RequestEndBlock) String() string            { return proto.CompactTextString(m) }
 func (*RequestEndBlock) ProtoMessage()               {}
-func (*RequestEndBlock) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{11} }
+func (*RequestEndBlock) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{12} }
 
 func (m *RequestEndBlock) GetHeight() uint64 {
 	if m != nil {
@@ -809,13 +869,14 @@ type Response struct {
 	//	*Response_InitChain
 	//	*Response_BeginBlock
 	//	*Response_EndBlock
+	//	*Response_Proof
 	Value isResponse_Value `protobuf_oneof:"value"`
 }
 
 func (m *Response) Reset()                    { *m = Response{} }
 func (m *Response) String() string            { return proto.CompactTextString(m) }
 func (*Response) ProtoMessage()               {}
-func (*Response) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{12} }
+func (*Response) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{13} }
 
 type isResponse_Value interface {
 	isResponse_Value()
@@ -857,6 +918,9 @@ type Response_BeginBlock struct {
 type Response_EndBlock struct {
 	EndBlock *ResponseEndBlock `protobuf:"bytes,12,opt,name=end_block,json=endBlock,oneof"`
 }
+type Response_Proof struct {
+	Proof *ResponseProof `protobuf:"bytes,13,opt,name=proof,oneof"`
+}
 
 func (*Response_Exception) isResponse_Value()  {}
 func (*Response_Echo) isResponse_Value()       {}
@@ -870,6 +934,7 @@ func (*Response_Query) isResponse_Value()      {}
 func (*Response_InitChain) isResponse_Value()  {}
 func (*Response_BeginBlock) isResponse_Value() {}
 func (*Response_EndBlock) isResponse_Value()   {}
+func (*Response_Proof) isResponse_Value()      {}
 
 func (m *Response) GetValue() isResponse_Value {
 	if m != nil {
@@ -962,6 +1027,13 @@ func (m *Response) GetEndBlock() *ResponseEndBlock {
 	return nil
 }
 
+func (m *Response) GetProof() *ResponseProof {
+	if x, ok := m.GetValue().(*Response_Proof); ok {
+		return x.Proof
+	}
+	return nil
+}
+
 // XXX_OneofFuncs is for the internal use of the proto package.
 func (*Response) XXX_OneofFuncs() (func(msg proto.Message, b *proto.Buffer) error, func(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error), func(msg proto.Message) (n int), []interface{}) {
 	return _Response_OneofMarshaler, _Response_OneofUnmarshaler, _Response_OneofSizer, []interface{}{
@@ -977,6 +1049,7 @@ func (*Response) XXX_OneofFuncs() (func(msg proto.Message, b *proto.Buffer) erro
 		(*Response_InitChain)(nil),
 		(*Response_BeginBlock)(nil),
 		(*Response_EndBlock)(nil),
+		(*Response_Proof)(nil),
 	}
 }
 
@@ -1044,6 +1117,11 @@ func _Response_OneofMarshaler(msg proto.Message, b *proto.Buffer) error {
 		if err := b.EncodeMessage(x.EndBlock); err != nil {
 			return err
 		}
+	case *Response_Proof:
+		b.EncodeVarint(13<<3 | proto.WireBytes)
+		if err := b.EncodeMessage(x.Proof); err != nil {
+			return err
+		}
 	case nil:
 	default:
 		return fmt.Errorf("Response.Value has unexpected type %T", x)
@@ -1150,6 +1228,14 @@ func _Response_OneofUnmarshaler(msg proto.Message, tag, wire int, b *proto.Buffe
 		err := b.DecodeMessage(msg)
 		m.Value = &Response_EndBlock{msg}
 		return true, err
+	case 13: // value.proof
+		if wire != proto.WireBytes {
+			return true, proto.ErrInternalBadWireType
+		}
+		msg := new(ResponseProof)
+		err := b.DecodeMessage(msg)
+		m.Value = &Response_Proof{msg}
+		return true, err
 	default:
 		return false, nil
 	}
@@ -1219,6 +1305,11 @@ func _Response_OneofSizer(msg proto.Message) (n int) {
 		n += proto.SizeVarint(12<<3 | proto.WireBytes)
 		n += proto.SizeVarint(uint64(s))
 		n += s
+	case *Response_Proof:
+		s := proto.Size(x.Proof)
+		n += proto.SizeVarint(13<<3 | proto.WireBytes)
+		n += proto.SizeVarint(uint64(s))
+		n += s
 	case nil:
 	default:
 		panic(fmt.Sprintf("proto: unexpected type %T in oneof", x))
@@ -1233,7 +1324,7 @@ type ResponseException struct {
 func (m *ResponseException) Reset()                    { *m = ResponseException{} }
 func (m *ResponseException) String() string            { return proto.CompactTextString(m) }
 func (*ResponseException) ProtoMessage()               {}
-func (*ResponseException) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{13} }
+func (*ResponseException) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{14} }
 
 func (m *ResponseException) GetError() string {
 	if m != nil {
@@ -1249,7 +1340,7 @@ type ResponseEcho struct {
 func (m *ResponseEcho) Reset()                    { *m = ResponseEcho{} }
 func (m *ResponseEcho) String() string            { return proto.CompactTextString(m) }
 func (*ResponseEcho) ProtoMessage()               {}
-func (*ResponseEcho) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{14} }
+func (*ResponseEcho) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{15} }
 
 func (m *ResponseEcho) GetMessage() string {
 	if m != nil {
@@ -1264,7 +1355,7 @@ type ResponseFlush struct {
 func (m *ResponseFlush) Reset()                    { *m = ResponseFlush{} }
 func (m *ResponseFlush) String() string            { return proto.CompactTextString(m) }
 func (*ResponseFlush) ProtoMessage()               {}
-func (*ResponseFlush) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{15} }
+func (*ResponseFlush) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{16} }
 
 type ResponseInfo struct {
 	Data             string `protobuf:"bytes,1,opt,name=data" json:"data,omitempty"`
@@ -1276,7 +1367,7 @@ type ResponseInfo struct {
 func (m *ResponseInfo) Reset()                    { *m = ResponseInfo{} }
 func (m *ResponseInfo) String() string            { return proto.CompactTextString(m) }
 func (*ResponseInfo) ProtoMessage()               {}
-func (*ResponseInfo) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{16} }
+func (*ResponseInfo) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{17} }
 
 func (m *ResponseInfo) GetData() string {
 	if m != nil {
@@ -1313,7 +1404,7 @@ type ResponseSetOption struct {
 func (m *ResponseSetOption) Reset()                    { *m = ResponseSetOption{} }
 func (m *ResponseSetOption) String() string            { return proto.CompactTextString(m) }
 func (*ResponseSetOption) ProtoMessage()               {}
-func (*ResponseSetOption) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{17} }
+func (*ResponseSetOption) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{18} }
 
 func (m *ResponseSetOption) GetLog() string {
 	if m != nil {
@@ -1331,7 +1422,7 @@ type ResponseDeliverTx struct {
 func (m *ResponseDeliverTx) Reset()                    { *m = ResponseDeliverTx{} }
 func (m *ResponseDeliverTx) String() string            { return proto.CompactTextString(m) }
 func (*ResponseDeliverTx) ProtoMessage()               {}
-func (*ResponseDeliverTx) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{18} }
+func (*ResponseDeliverTx) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{19} }
 
 func (m *ResponseDeliverTx) GetCode() CodeType {
 	if m != nil {
@@ -1363,7 +1454,7 @@ type ResponseCheckTx struct {
 func (m *ResponseCheckTx) Reset()                    { *m = ResponseCheckTx{} }
 func (m *ResponseCheckTx) String() string            { return proto.CompactTextString(m) }
 func (*ResponseCheckTx) ProtoMessage()               {}
-func (*ResponseCheckTx) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{19} }
+func (*ResponseCheckTx) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{20} }
 
 func (m *ResponseCheckTx) GetCode() CodeType {
 	if m != nil {
@@ -1395,7 +1486,7 @@ type ResponseQuery struct {
 func (m *ResponseQuery) Reset()                    { *m = ResponseQuery{} }
 func (m *ResponseQuery) String() string            { return proto.CompactTextString(m) }
 func (*ResponseQuery) ProtoMessage()               {}
-func (*ResponseQuery) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{20} }
+func (*ResponseQuery) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{21} }
 
 func (m *ResponseQuery) GetCode() CodeType {
 	if m != nil {
@@ -1418,6 +1509,38 @@ func (m *ResponseQuery) GetLog() string {
 	return ""
 }
 
+type ResponseProof struct {
+	Code CodeType `protobuf:"varint,1,opt,name=code,enum=types.CodeType" json:"code,omitempty"`
+	Data []byte   `protobuf:"bytes,2,opt,name=data,proto3" json:"data,omitempty"`
+	Log  string   `protobuf:"bytes,3,opt,name=log" json:"log,omitempty"`
+}
+
+func (m *ResponseProof) Reset()                    { *m = ResponseProof{} }
+func (m *ResponseProof) String() string            { return proto.CompactTextString(m) }
+func (*ResponseProof) ProtoMessage()               {}
+func (*ResponseProof) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{22} }
+
+func (m *ResponseProof) GetCode() CodeType {
+	if m != nil {
+		return m.Code
+	}
+	return CodeType_OK
+}
+
+func (m *ResponseProof) GetData() []byte {
+	if m != nil {
+		return m.Data
+	}
+	return nil
+}
+
+func (m *ResponseProof) GetLog() string {
+	if m != nil {
+		return m.Log
+	}
+	return ""
+}
+
 type ResponseCommit struct {
 	Code CodeType `protobuf:"varint,1,opt,name=code,enum=types.CodeType" json:"code,omitempty"`
 	Data []byte   `protobuf:"bytes,2,opt,name=data,proto3" json:"data,omitempty"`
@@ -1427,7 +1550,7 @@ type ResponseCommit struct {
 func (m *ResponseCommit) Reset()                    { *m = ResponseCommit{} }
 func (m *ResponseCommit) String() string            { return proto.CompactTextString(m) }
 func (*ResponseCommit) ProtoMessage()               {}
-func (*ResponseCommit) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{21} }
+func (*ResponseCommit) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{23} }
 
 func (m *ResponseCommit) GetCode() CodeType {
 	if m != nil {
@@ -1456,7 +1579,7 @@ type ResponseInitChain struct {
 func (m *ResponseInitChain) Reset()                    { *m = ResponseInitChain{} }
 func (m *ResponseInitChain) String() string            { return proto.CompactTextString(m) }
 func (*ResponseInitChain) ProtoMessage()               {}
-func (*ResponseInitChain) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{22} }
+func (*ResponseInitChain) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{24} }
 
 type ResponseBeginBlock struct {
 }
@@ -1464,7 +1587,7 @@ type ResponseBeginBlock struct {
 func (m *ResponseBeginBlock) Reset()                    { *m = ResponseBeginBlock{} }
 func (m *ResponseBeginBlock) String() string            { return proto.CompactTextString(m) }
 func (*ResponseBeginBlock) ProtoMessage()               {}
-func (*ResponseBeginBlock) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{23} }
+func (*ResponseBeginBlock) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{25} }
 
 type ResponseEndBlock struct {
 	Diffs []*Validator `protobuf:"bytes,4,rep,name=diffs" json:"diffs,omitempty"`
@@ -1473,7 +1596,7 @@ type ResponseEndBlock struct {
 func (m *ResponseEndBlock) Reset()                    { *m = ResponseEndBlock{} }
 func (m *ResponseEndBlock) String() string            { return proto.CompactTextString(m) }
 func (*ResponseEndBlock) ProtoMessage()               {}
-func (*ResponseEndBlock) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{24} }
+func (*ResponseEndBlock) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{26} }
 
 func (m *ResponseEndBlock) GetDiffs() []*Validator {
 	if m != nil {
@@ -1497,7 +1620,7 @@ type Header struct {
 func (m *Header) Reset()                    { *m = Header{} }
 func (m *Header) String() string            { return proto.CompactTextString(m) }
 func (*Header) ProtoMessage()               {}
-func (*Header) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{25} }
+func (*Header) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{27} }
 
 func (m *Header) GetChainId() string {
 	if m != nil {
@@ -1570,7 +1693,7 @@ type BlockID struct {
 func (m *BlockID) Reset()                    { *m = BlockID{} }
 func (m *BlockID) String() string            { return proto.CompactTextString(m) }
 func (*BlockID) ProtoMessage()               {}
-func (*BlockID) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{26} }
+func (*BlockID) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{28} }
 
 func (m *BlockID) GetHash() []byte {
 	if m != nil {
@@ -1594,7 +1717,7 @@ type PartSetHeader struct {
 func (m *PartSetHeader) Reset()                    { *m = PartSetHeader{} }
 func (m *PartSetHeader) String() string            { return proto.CompactTextString(m) }
 func (*PartSetHeader) ProtoMessage()               {}
-func (*PartSetHeader) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{27} }
+func (*PartSetHeader) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{29} }
 
 func (m *PartSetHeader) GetTotal() uint64 {
 	if m != nil {
@@ -1618,7 +1741,7 @@ type Validator struct {
 func (m *Validator) Reset()                    { *m = Validator{} }
 func (m *Validator) String() string            { return proto.CompactTextString(m) }
 func (*Validator) ProtoMessage()               {}
-func (*Validator) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{28} }
+func (*Validator) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{30} }
 
 func (m *Validator) GetPubKey() []byte {
 	if m != nil {
@@ -1643,6 +1766,7 @@ func init() {
 	proto.RegisterType((*RequestDeliverTx)(nil), "types.RequestDeliverTx")
 	proto.RegisterType((*RequestCheckTx)(nil), "types.RequestCheckTx")
 	proto.RegisterType((*RequestQuery)(nil), "types.RequestQuery")
+	proto.RegisterType((*RequestProof)(nil), "types.RequestProof")
 	proto.RegisterType((*RequestCommit)(nil), "types.RequestCommit")
 	proto.RegisterType((*RequestInitChain)(nil), "types.RequestInitChain")
 	proto.RegisterType((*RequestBeginBlock)(nil), "types.RequestBeginBlock")
@@ -1656,6 +1780,7 @@ func init() {
 	proto.RegisterType((*ResponseDeliverTx)(nil), "types.ResponseDeliverTx")
 	proto.RegisterType((*ResponseCheckTx)(nil), "types.ResponseCheckTx")
 	proto.RegisterType((*ResponseQuery)(nil), "types.ResponseQuery")
+	proto.RegisterType((*ResponseProof)(nil), "types.ResponseProof")
 	proto.RegisterType((*ResponseCommit)(nil), "types.ResponseCommit")
 	proto.RegisterType((*ResponseInitChain)(nil), "types.ResponseInitChain")
 	proto.RegisterType((*ResponseBeginBlock)(nil), "types.ResponseBeginBlock")
@@ -1686,6 +1811,7 @@ type ABCIApplicationClient interface {
 	DeliverTx(ctx context.Context, in *RequestDeliverTx, opts ...grpc.CallOption) (*ResponseDeliverTx, error)
 	CheckTx(ctx context.Context, in *RequestCheckTx, opts ...grpc.CallOption) (*ResponseCheckTx, error)
 	Query(ctx context.Context, in *RequestQuery, opts ...grpc.CallOption) (*ResponseQuery, error)
+	Proof(ctx context.Context, in *RequestProof, opts ...grpc.CallOption) (*ResponseProof, error)
 	Commit(ctx context.Context, in *RequestCommit, opts ...grpc.CallOption) (*ResponseCommit, error)
 	InitChain(ctx context.Context, in *RequestInitChain, opts ...grpc.CallOption) (*ResponseInitChain, error)
 	BeginBlock(ctx context.Context, in *RequestBeginBlock, opts ...grpc.CallOption) (*ResponseBeginBlock, error)
@@ -1763,6 +1889,15 @@ func (c *aBCIApplicationClient) Query(ctx context.Context, in *RequestQuery, opt
 	return out, nil
 }
 
+func (c *aBCIApplicationClient) Proof(ctx context.Context, in *RequestProof, opts ...grpc.CallOption) (*ResponseProof, error) {
+	out := new(ResponseProof)
+	err := grpc.Invoke(ctx, "/types.ABCIApplication/Proof", in, out, c.cc, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *aBCIApplicationClient) Commit(ctx context.Context, in *RequestCommit, opts ...grpc.CallOption) (*ResponseCommit, error) {
 	out := new(ResponseCommit)
 	err := grpc.Invoke(ctx, "/types.ABCIApplication/Commit", in, out, c.cc, opts...)
@@ -1809,6 +1944,7 @@ type ABCIApplicationServer interface {
 	DeliverTx(context.Context, *RequestDeliverTx) (*ResponseDeliverTx, error)
 	CheckTx(context.Context, *RequestCheckTx) (*ResponseCheckTx, error)
 	Query(context.Context, *RequestQuery) (*ResponseQuery, error)
+	Proof(context.Context, *RequestProof) (*ResponseProof, error)
 	Commit(context.Context, *RequestCommit) (*ResponseCommit, error)
 	InitChain(context.Context, *RequestInitChain) (*ResponseInitChain, error)
 	BeginBlock(context.Context, *RequestBeginBlock) (*ResponseBeginBlock, error)
@@ -1945,6 +2081,24 @@ func _ABCIApplication_Query_Handler(srv interface{}, ctx context.Context, dec fu
 	return interceptor(ctx, in, info, handler)
 }
 
+func _ABCIApplication_Proof_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(RequestProof)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(ABCIApplicationServer).Proof(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/types.ABCIApplication/Proof",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(ABCIApplicationServer).Proof(ctx, req.(*RequestProof))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _ABCIApplication_Commit_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(RequestCommit)
 	if err := dec(in); err != nil {
@@ -2049,6 +2203,10 @@ var _ABCIApplication_serviceDesc = grpc.ServiceDesc{
 			MethodName: "Query",
 			Handler:    _ABCIApplication_Query_Handler,
 		},
+		{
+			MethodName: "Proof",
+			Handler:    _ABCIApplication_Proof_Handler,
+		},
 		{
 			MethodName: "Commit",
 			Handler:    _ABCIApplication_Commit_Handler,
@@ -2073,108 +2231,113 @@ var _ABCIApplication_serviceDesc = grpc.ServiceDesc{
 func init() { proto.RegisterFile("types/types.proto", fileDescriptor0) }
 
 var fileDescriptor0 = []byte{
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+	0x93, 0xc8, 0xb6, 0xe6, 0xe1, 0x5b, 0xc0, 0xa4, 0xae, 0xe1, 0xc6, 0x9f, 0x16, 0x4a, 0x1d, 0x9b,
+	0x5e, 0x04, 0x26, 0x8d, 0xad, 0x37, 0xf9, 0xe7, 0x7d, 0x48, 0xd3, 0xbb, 0xc0, 0xa4, 0xb1, 0xff,
+	0xc6, 0x17, 0x19, 0x7b, 0x60, 0xfd, 0xeb, 0xc0, 0xa4, 0xa1, 0x05, 0xa7, 0xed, 0x91, 0x3d, 0x44,
+	0xdd, 0x9f, 0xfe, 0x49, 0x6d, 0x57, 0x4d, 0x3e, 0xb2, 0x37, 0xa8, 0xfb, 0x37, 0x3d, 0xa9, 0x6d,
+	0x55, 0xf1, 0xe3, 0x94, 0xd2, 0xb0, 0xf6, 0x31, 0x62, 0x52, 0xdf, 0xef, 0xd3, 0xc6, 0xe4, 0x7f,
+	0x23, 0x9b, 0x5e, 0x19, 0x26, 0x8d, 0x9d, 0x3c, 0x9e, 0x14, 0x39, 0x12, 0x1b, 0xdf, 0x1a, 0x26,
+	0xcd, 0xfd, 0x3c, 0x7e, 0x92, 0xd3, 0x2a, 0x36, 0xbc, 0x38, 0x4c, 0x9a, 0x5a, 0xfa, 0xab, 0x9e,
+	0x78, 0xcc, 0xfa, 0xe8, 0x7f, 0x01, 0x00, 0x00, 0xff, 0xff, 0xce, 0x8c, 0x71, 0x92, 0xe1, 0x12,
+	0x00, 0x00,
 }

types/types.proto

@@ -87,6 +87,7 @@ message Request {
 		RequestInitChain init_chain = 9;
 		RequestBeginBlock begin_block = 10;
 		RequestEndBlock end_block = 11;
+    RequestProof proof = 12;
 	}
 }
 
@@ -122,7 +123,6 @@ message RequestProof{
   int64 height  = 2;
 }
 
-
 message RequestCommit{
 }