add version/block/config to Info. add header to BeginBlock

client/client.go

@@ -25,7 +25,7 @@ type Client interface {
 
 	FlushSync() error
 	EchoSync(msg string) (res types.Result)
-	InfoSync() (res types.Result)
+	InfoSync() (types.Result, *types.TMSPInfo, *types.LastBlockInfo, *types.ConfigInfo)
 	SetOptionSync(key string, value string) (res types.Result)
 	AppendTxSync(tx []byte) (res types.Result)
 	CheckTxSync(tx []byte) (res types.Result)
@@ -33,11 +33,11 @@ type Client interface {
 	CommitSync() (res types.Result)
 
 	InitChainAsync(validators []*types.Validator) *ReqRes
-	BeginBlockAsync(height uint64) *ReqRes
+	BeginBlockAsync(header *types.Header) *ReqRes
 	EndBlockAsync(height uint64) *ReqRes
 
 	InitChainSync(validators []*types.Validator) (err error)
-	BeginBlockSync(height uint64) (err error)
+	BeginBlockSync(header *types.Header) (err error)
 	EndBlockSync(height uint64) (changedValidators []*types.Validator, err error)
 }
 

client/grpc_client.go

@@ -200,8 +200,8 @@ func (cli *grpcClient) InitChainAsync(validators []*types.Validator) *ReqRes {
 	return cli.finishAsyncCall(req, &types.Response{&types.Response_InitChain{res}})
 }
 
-func (cli *grpcClient) BeginBlockAsync(height uint64) *ReqRes {
+func (cli *grpcClient) BeginBlockAsync(header *types.Header) *ReqRes {
-	req := types.ToRequestBeginBlock(height)
+	req := types.ToRequestBeginBlock(header)
 	res, err := cli.client.BeginBlock(context.Background(), req.GetBeginBlock(), grpc.FailFast(true))
 	if err != nil {
 		cli.StopForError(err)
@@ -262,13 +262,13 @@ func (cli *grpcClient) FlushSync() error {
 	return nil
 }
 
-func (cli *grpcClient) InfoSync() (res types.Result) {
+func (cli *grpcClient) InfoSync() (types.Result, *types.TMSPInfo, *types.LastBlockInfo, *types.ConfigInfo) {
 	reqres := cli.InfoAsync()
 	if res := cli.checkErrGetResult(); res.IsErr() {
 		return res
 	}
 	resp := reqres.Response.GetInfo()
-	return types.NewResultOK([]byte(resp.Info), LOG)
+	return types.NewResultOK([]byte(resp.Info), LOG), r.TmspInfo, r.LastBlock, r.Config
 }
 
 func (cli *grpcClient) SetOptionSync(key string, value string) (res types.Result) {
@@ -321,8 +321,8 @@ func (cli *grpcClient) InitChainSync(validators []*types.Validator) (err error)
 	return cli.Error()
 }
 
-func (cli *grpcClient) BeginBlockSync(height uint64) (err error) {
+func (cli *grpcClient) BeginBlockSync(header *types.Header) (err error) {
-	cli.BeginBlockAsync(height)
+	cli.BeginBlockAsync(header)
 	return cli.Error()
 }
 

client/local_client.go

@@ -51,11 +51,11 @@ func (app *localClient) EchoAsync(msg string) *ReqRes {
 
 func (app *localClient) InfoAsync() *ReqRes {
 	app.mtx.Lock()
-	info := app.Application.Info()
+	info, tmspInfo, blockInfo, configInfo := app.Application.Info()
 	app.mtx.Unlock()
 	return app.callback(
 		types.ToRequestInfo(),
-		types.ToResponseInfo(info),
+		types.ToResponseInfo(info, tmspInfo, blockInfo, configInfo),
 	)
 }
 
@@ -122,14 +122,14 @@ func (app *localClient) InitChainAsync(validators []*types.Validator) *ReqRes {
 	return reqRes
 }
 
-func (app *localClient) BeginBlockAsync(height uint64) *ReqRes {
+func (app *localClient) BeginBlockAsync(header *types.Header) *ReqRes {
 	app.mtx.Lock()
 	if bcApp, ok := app.Application.(types.BlockchainAware); ok {
-		bcApp.BeginBlock(height)
+		bcApp.BeginBlock(header)
 	}
 	app.mtx.Unlock()
 	return app.callback(
-		types.ToRequestBeginBlock(height),
+		types.ToRequestBeginBlock(header),
 		types.ToResponseBeginBlock(),
 	)
 }
@@ -157,11 +157,11 @@ func (app *localClient) EchoSync(msg string) (res types.Result) {
 	return types.OK.SetData([]byte(msg))
 }
 
-func (app *localClient) InfoSync() (res types.Result) {
+func (app *localClient) InfoSync() (types.Result, *types.TMSPInfo, *types.LastBlockInfo, *types.ConfigInfo) {
 	app.mtx.Lock()
-	info := app.Application.Info()
+	defer app.mtx.Unlock()
-	app.mtx.Unlock()
+	info, tmspInfo, blockInfo, configInfo := app.Application.Info()
-	return types.OK.SetData([]byte(info))
+	return types.OK.SetData([]byte(info)), tmspInfo, blockInfo, configInfo
 }
 
 func (app *localClient) SetOptionSync(key string, value string) (res types.Result) {
@@ -208,10 +208,10 @@ func (app *localClient) InitChainSync(validators []*types.Validator) (err error)
 	return nil
 }
 
-func (app *localClient) BeginBlockSync(height uint64) (err error) {
+func (app *localClient) BeginBlockSync(header *types.Header) (err error) {
 	app.mtx.Lock()
 	if bcApp, ok := app.Application.(types.BlockchainAware); ok {
-		bcApp.BeginBlock(height)
+		bcApp.BeginBlock(header)
 	}
 	app.mtx.Unlock()
 	return nil

client/socket_client.go

@@ -263,8 +263,8 @@ func (cli *socketClient) InitChainAsync(validators []*types.Validator) *ReqRes {
 	return cli.queueRequest(types.ToRequestInitChain(validators))
 }
 
-func (cli *socketClient) BeginBlockAsync(height uint64) *ReqRes {
+func (cli *socketClient) BeginBlockAsync(header *types.Header) *ReqRes {
-	return cli.queueRequest(types.ToRequestBeginBlock(height))
+	return cli.queueRequest(types.ToRequestBeginBlock(header))
 }
 
 func (cli *socketClient) EndBlockAsync(height uint64) *ReqRes {
@@ -292,14 +292,14 @@ func (cli *socketClient) FlushSync() error {
 	return cli.Error()
 }
 
-func (cli *socketClient) InfoSync() (res types.Result) {
+func (cli *socketClient) InfoSync() (types.Result, *types.TMSPInfo, *types.LastBlockInfo, *types.ConfigInfo) {
 	reqres := cli.queueRequest(types.ToRequestInfo())
 	cli.FlushSync()
 	if err := cli.Error(); err != nil {
-		return types.ErrInternalError.SetLog(err.Error())
+		return types.ErrInternalError.SetLog(err.Error()), nil, nil, nil
 	}
 	resp := reqres.Response.GetInfo()
-	return types.Result{Code: OK, Data: []byte(resp.Info), Log: LOG}
+	return types.Result{Code: OK, Data: []byte(resp.Info), Log: LOG}, resp.TmspInfo, resp.LastBlock, resp.Config
 }
 
 func (cli *socketClient) SetOptionSync(key string, value string) (res types.Result) {
@@ -361,8 +361,8 @@ func (cli *socketClient) InitChainSync(validators []*types.Validator) (err error
 	return nil
 }
 
-func (cli *socketClient) BeginBlockSync(height uint64) (err error) {
+func (cli *socketClient) BeginBlockSync(header *types.Header) (err error) {
-	cli.queueRequest(types.ToRequestBeginBlock(height))
+	cli.queueRequest(types.ToRequestBeginBlock(header))
 	cli.FlushSync()
 	if err := cli.Error(); err != nil {
 		return err

cmd/tmsp-cli/tmsp-cli.go

@@ -191,7 +191,7 @@ func cmdEcho(c *cli.Context) error {
 
 // Get some info from the application
 func cmdInfo(c *cli.Context) error {
-	res := client.InfoSync()
+	res, _, _, _ := client.InfoSync()
 	printResponse(c, res, string(res.Data), false)
 	return nil
 }

example/counter/counter.go

@@ -18,8 +18,8 @@ func NewCounterApplication(serial bool) *CounterApplication {
 	return &CounterApplication{serial: serial}
 }
 
-func (app *CounterApplication) Info() string {
+func (app *CounterApplication) Info() (string, *types.TMSPInfo, *types.LastBlockInfo, *types.ConfigInfo) {
-	return Fmt("hashes:%v, txs:%v", app.hashCount, app.txCount)
+	return Fmt("hashes:%v, txs:%v", app.hashCount, app.txCount), nil, nil, nil
 }
 
 func (app *CounterApplication) SetOption(key string, value string) (log string) {

example/dummy/dummy.go

@@ -20,8 +20,8 @@ func NewDummyApplication() *DummyApplication {
 	return &DummyApplication{state: state}
 }
 
-func (app *DummyApplication) Info() string {
+func (app *DummyApplication) Info() (string, *types.TMSPInfo, *types.LastBlockInfo, *types.ConfigInfo) {
-	return Fmt("size:%v", app.state.Size())
+	return Fmt("size:%v", app.state.Size()), nil, nil, nil
 }
 
 func (app *DummyApplication) SetOption(key string, value string) (log string) {

example/nil/nil_app.go

@@ -11,8 +11,8 @@ func NewNilApplication() *NilApplication {
 	return &NilApplication{}
 }
 
-func (app *NilApplication) Info() string {
+func (app *NilApplication) Info() (string, *types.TMSPInfo, *types.LastBlockInfo, *types.ConfigInfo) {
-	return "nil"
+	return "nil", nil, nil, nil
 }
 
 func (app *NilApplication) SetOption(key string, value string) (log string) {

server/socket_server.go

@@ -168,8 +168,7 @@ func (s *SocketServer) handleRequest(req *types.Request, responses chan<- *types
 	case *types.Request_Flush:
 		responses <- types.ToResponseFlush()
 	case *types.Request_Info:
-		data := s.app.Info()
+		responses <- types.ToResponseInfo(s.app.Info())
-		responses <- types.ToResponseInfo(data)
 	case *types.Request_SetOption:
 		so := r.SetOption
 		logStr := s.app.SetOption(so.Key, so.Value)
@@ -189,17 +188,13 @@ func (s *SocketServer) handleRequest(req *types.Request, responses chan<- *types
 	case *types.Request_InitChain:
 		if app, ok := s.app.(types.BlockchainAware); ok {
 			app.InitChain(r.InitChain.Validators)
-			responses <- types.ToResponseInitChain()
-		} else {
-			responses <- types.ToResponseInitChain()
 		}
+		responses <- types.ToResponseInitChain()
 	case *types.Request_BeginBlock:
 		if app, ok := s.app.(types.BlockchainAware); ok {
-			app.BeginBlock(r.BeginBlock.Height)
+			app.BeginBlock(r.BeginBlock.Header)
-			responses <- types.ToResponseBeginBlock()
-		} else {
-			responses <- types.ToResponseBeginBlock()
 		}
+		responses <- types.ToResponseBeginBlock()
 	case *types.Request_EndBlock:
 		if app, ok := s.app.(types.BlockchainAware); ok {
 			validators := app.EndBlock(r.EndBlock.Height)

types/application.go

@@ -8,7 +8,7 @@ import (
 type Application interface {
 
 	// Return application info
-	Info() (info string)
+	Info() (string, *TMSPInfo, *LastBlockInfo, *ConfigInfo)
 
 	// Set application option (e.g. mode=mempool, mode=consensus)
 	SetOption(key string, value string) (log string)
@@ -34,7 +34,7 @@ type BlockchainAware interface {
 	InitChain(validators []*Validator)
 
 	// Signals the beginning of a block
-	BeginBlock(height uint64)
+	BeginBlock(header *Header)
 
 	// Signals the end of a block
 	// diffs: changed validators from app to TendermintCore
@@ -59,7 +59,8 @@ func (app *GRPCApplication) Flush(ctx context.Context, req *RequestFlush) (*Resp
 }
 
 func (app *GRPCApplication) Info(ctx context.Context, req *RequestInfo) (*ResponseInfo, error) {
-	return &ResponseInfo{app.app.Info()}, nil
+	info, tmspInfo, blockInfo, configInfo := app.app.Info()
+	return &ResponseInfo{info, tmspInfo, blockInfo, configInfo}, nil
 }
 
 func (app *GRPCApplication) SetOption(ctx context.Context, req *RequestSetOption) (*ResponseSetOption, error) {
@@ -95,7 +96,7 @@ func (app *GRPCApplication) InitChain(ctx context.Context, req *RequestInitChain
 
 func (app *GRPCApplication) BeginBlock(ctx context.Context, req *RequestBeginBlock) (*ResponseBeginBlock, error) {
 	if chainAware, ok := app.app.(BlockchainAware); ok {
-		chainAware.BeginBlock(req.Height)
+		chainAware.BeginBlock(req.Header)
 	}
 	return &ResponseBeginBlock{}, nil
 }

types/messages.go

@@ -61,9 +61,9 @@ func ToRequestInitChain(validators []*Validator) *Request {
 	}
 }
 
-func ToRequestBeginBlock(height uint64) *Request {
+func ToRequestBeginBlock(header *Header) *Request {
 	return &Request{
-		Value: &Request_BeginBlock{&RequestBeginBlock{height}},
+		Value: &Request_BeginBlock{&RequestBeginBlock{header}},
 	}
 }
 
@@ -93,9 +93,9 @@ func ToResponseFlush() *Response {
 	}
 }
 
-func ToResponseInfo(info string) *Response {
+func ToResponseInfo(info string, tmspInfo *TMSPInfo, blockInfo *LastBlockInfo, configInfo *ConfigInfo) *Response {
 	return &Response{
-		Value: &Response_Info{&ResponseInfo{info}},
+		Value: &Response_Info{&ResponseInfo{info, tmspInfo, blockInfo, configInfo}},
 	}
 }
 

types/types.pb.go

@@ -34,6 +34,11 @@ It has these top-level messages:
 	ResponseInitChain
 	ResponseBeginBlock
 	ResponseEndBlock
+	TMSPInfo
+	LastBlockInfo
+	ConfigInfo
+	Header
+	PartSetHeader
 	Validator
 */
 package types
@@ -753,7 +758,7 @@ func (m *RequestInitChain) GetValidators() []*Validator {
 }
 
 type RequestBeginBlock struct {
-	Height uint64 `protobuf:"varint,1,opt,name=height" json:"height,omitempty"`
+	Header *Header `protobuf:"bytes,1,opt,name=header" json:"header,omitempty"`
 }
 
 func (m *RequestBeginBlock) Reset()                    { *m = RequestBeginBlock{} }
@@ -761,11 +766,11 @@ func (m *RequestBeginBlock) String() string            { return proto.CompactTex
 func (*RequestBeginBlock) ProtoMessage()               {}
 func (*RequestBeginBlock) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{10} }
 
-func (m *RequestBeginBlock) GetHeight() uint64 {
+func (m *RequestBeginBlock) GetHeader() *Header {
 	if m != nil {
-		return m.Height
+		return m.Header
 	}
-	return 0
+	return nil
 }
 
 type RequestEndBlock struct {
@@ -1257,6 +1262,9 @@ func (*ResponseFlush) Descriptor() ([]byte, []int) { return fileDescriptor0, []i
 
 type ResponseInfo struct {
 	Info      string         `protobuf:"bytes,1,opt,name=info" json:"info,omitempty"`
+	TmspInfo  *TMSPInfo      `protobuf:"bytes,2,opt,name=tmsp_info,json=tmspInfo" json:"tmsp_info,omitempty"`
+	LastBlock *LastBlockInfo `protobuf:"bytes,3,opt,name=last_block,json=lastBlock" json:"last_block,omitempty"`
+	Config    *ConfigInfo    `protobuf:"bytes,4,opt,name=config" json:"config,omitempty"`
 }
 
 func (m *ResponseInfo) Reset()                    { *m = ResponseInfo{} }
@@ -1271,6 +1279,27 @@ func (m *ResponseInfo) GetInfo() string {
 	return ""
 }
 
+func (m *ResponseInfo) GetTmspInfo() *TMSPInfo {
+	if m != nil {
+		return m.TmspInfo
+	}
+	return nil
+}
+
+func (m *ResponseInfo) GetLastBlock() *LastBlockInfo {
+	if m != nil {
+		return m.LastBlock
+	}
+	return nil
+}
+
+func (m *ResponseInfo) GetConfig() *ConfigInfo {
+	if m != nil {
+		return m.Config
+	}
+	return nil
+}
+
 type ResponseSetOption struct {
 	Log string `protobuf:"bytes,1,opt,name=log" json:"log,omitempty"`
 }
@@ -1447,6 +1476,182 @@ func (m *ResponseEndBlock) GetDiffs() []*Validator {
 	return nil
 }
 
+type TMSPInfo struct {
+	Version string `protobuf:"bytes,1,opt,name=Version" json:"Version,omitempty"`
+}
+
+func (m *TMSPInfo) Reset()                    { *m = TMSPInfo{} }
+func (m *TMSPInfo) String() string            { return proto.CompactTextString(m) }
+func (*TMSPInfo) ProtoMessage()               {}
+func (*TMSPInfo) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{25} }
+
+func (m *TMSPInfo) GetVersion() string {
+	if m != nil {
+		return m.Version
+	}
+	return ""
+}
+
+type LastBlockInfo struct {
+	BlockHeight uint64 `protobuf:"varint,1,opt,name=block_height,json=blockHeight" json:"block_height,omitempty"`
+	BlockHash   []byte `protobuf:"bytes,2,opt,name=block_hash,json=blockHash,proto3" json:"block_hash,omitempty"`
+	AppHash     []byte `protobuf:"bytes,3,opt,name=app_hash,json=appHash,proto3" json:"app_hash,omitempty"`
+}
+
+func (m *LastBlockInfo) Reset()                    { *m = LastBlockInfo{} }
+func (m *LastBlockInfo) String() string            { return proto.CompactTextString(m) }
+func (*LastBlockInfo) ProtoMessage()               {}
+func (*LastBlockInfo) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{26} }
+
+func (m *LastBlockInfo) GetBlockHeight() uint64 {
+	if m != nil {
+		return m.BlockHeight
+	}
+	return 0
+}
+
+func (m *LastBlockInfo) GetBlockHash() []byte {
+	if m != nil {
+		return m.BlockHash
+	}
+	return nil
+}
+
+func (m *LastBlockInfo) GetAppHash() []byte {
+	if m != nil {
+		return m.AppHash
+	}
+	return nil
+}
+
+type ConfigInfo struct {
+	MaxBlockSize uint64 `protobuf:"varint,1,opt,name=max_block_size,json=maxBlockSize" json:"max_block_size,omitempty"`
+}
+
+func (m *ConfigInfo) Reset()                    { *m = ConfigInfo{} }
+func (m *ConfigInfo) String() string            { return proto.CompactTextString(m) }
+func (*ConfigInfo) ProtoMessage()               {}
+func (*ConfigInfo) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{27} }
+
+func (m *ConfigInfo) GetMaxBlockSize() uint64 {
+	if m != nil {
+		return m.MaxBlockSize
+	}
+	return 0
+}
+
+type Header struct {
+	ChainId        string         `protobuf:"bytes,1,opt,name=chain_id,json=chainId" json:"chain_id,omitempty"`
+	Height         uint64         `protobuf:"varint,2,opt,name=height" json:"height,omitempty"`
+	Time           uint64         `protobuf:"varint,3,opt,name=time" json:"time,omitempty"`
+	NumTxs         uint64         `protobuf:"varint,4,opt,name=num_txs,json=numTxs" json:"num_txs,omitempty"`
+	LastBlockHash  []byte         `protobuf:"bytes,5,opt,name=last_block_hash,json=lastBlockHash,proto3" json:"last_block_hash,omitempty"`
+	LastBlockParts *PartSetHeader `protobuf:"bytes,6,opt,name=last_block_parts,json=lastBlockParts" json:"last_block_parts,omitempty"`
+	LastCommitHash []byte         `protobuf:"bytes,7,opt,name=last_commit_hash,json=lastCommitHash,proto3" json:"last_commit_hash,omitempty"`
+	DataHash       []byte         `protobuf:"bytes,8,opt,name=data_hash,json=dataHash,proto3" json:"data_hash,omitempty"`
+	ValidatorsHash []byte         `protobuf:"bytes,9,opt,name=validators_hash,json=validatorsHash,proto3" json:"validators_hash,omitempty"`
+	AppHash        []byte         `protobuf:"bytes,10,opt,name=app_hash,json=appHash,proto3" json:"app_hash,omitempty"`
+}
+
+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{28} }
+
+func (m *Header) GetChainId() string {
+	if m != nil {
+		return m.ChainId
+	}
+	return ""
+}
+
+func (m *Header) GetHeight() uint64 {
+	if m != nil {
+		return m.Height
+	}
+	return 0
+}
+
+func (m *Header) GetTime() uint64 {
+	if m != nil {
+		return m.Time
+	}
+	return 0
+}
+
+func (m *Header) GetNumTxs() uint64 {
+	if m != nil {
+		return m.NumTxs
+	}
+	return 0
+}
+
+func (m *Header) GetLastBlockHash() []byte {
+	if m != nil {
+		return m.LastBlockHash
+	}
+	return nil
+}
+
+func (m *Header) GetLastBlockParts() *PartSetHeader {
+	if m != nil {
+		return m.LastBlockParts
+	}
+	return nil
+}
+
+func (m *Header) GetLastCommitHash() []byte {
+	if m != nil {
+		return m.LastCommitHash
+	}
+	return nil
+}
+
+func (m *Header) GetDataHash() []byte {
+	if m != nil {
+		return m.DataHash
+	}
+	return nil
+}
+
+func (m *Header) GetValidatorsHash() []byte {
+	if m != nil {
+		return m.ValidatorsHash
+	}
+	return nil
+}
+
+func (m *Header) GetAppHash() []byte {
+	if m != nil {
+		return m.AppHash
+	}
+	return nil
+}
+
+type PartSetHeader struct {
+	Total uint64 `protobuf:"varint,1,opt,name=total" json:"total,omitempty"`
+	Hash  []byte `protobuf:"bytes,2,opt,name=hash,proto3" json:"hash,omitempty"`
+}
+
+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{29} }
+
+func (m *PartSetHeader) GetTotal() uint64 {
+	if m != nil {
+		return m.Total
+	}
+	return 0
+}
+
+func (m *PartSetHeader) GetHash() []byte {
+	if m != nil {
+		return m.Hash
+	}
+	return nil
+}
+
 type Validator struct {
 	PubKey []byte `protobuf:"bytes,1,opt,name=pubKey,proto3" json:"pubKey,omitempty"`
 	Power  uint64 `protobuf:"varint,2,opt,name=power" json:"power,omitempty"`
@@ -1455,7 +1660,7 @@ 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{25} }
+func (*Validator) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{30} }
 
 func (m *Validator) GetPubKey() []byte {
 	if m != nil {
@@ -1497,6 +1702,11 @@ func init() {
 	proto.RegisterType((*ResponseInitChain)(nil), "types.ResponseInitChain")
 	proto.RegisterType((*ResponseBeginBlock)(nil), "types.ResponseBeginBlock")
 	proto.RegisterType((*ResponseEndBlock)(nil), "types.ResponseEndBlock")
+	proto.RegisterType((*TMSPInfo)(nil), "types.TMSPInfo")
+	proto.RegisterType((*LastBlockInfo)(nil), "types.LastBlockInfo")
+	proto.RegisterType((*ConfigInfo)(nil), "types.ConfigInfo")
+	proto.RegisterType((*Header)(nil), "types.Header")
+	proto.RegisterType((*PartSetHeader)(nil), "types.PartSetHeader")
 	proto.RegisterType((*Validator)(nil), "types.Validator")
 	proto.RegisterEnum("types.MessageType", MessageType_name, MessageType_value)
 	proto.RegisterEnum("types.CodeType", CodeType_name, CodeType_value)
@@ -1907,93 +2117,113 @@ var _TMSPApplication_serviceDesc = grpc.ServiceDesc{
 func init() { proto.RegisterFile("types/types.proto", fileDescriptor0) }
 
 var fileDescriptor0 = []byte{
-	// 1393 bytes of a gzipped FileDescriptorProto
+	// 1721 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xac, 0x57, 0x59, 0x53, 0xdc, 0xc6,
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xac, 0x58, 0x5b, 0x73, 0xdb, 0xc6,
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+	0xff, 0x89, 0x5e, 0xff, 0xe3, 0x5b, 0x12, 0x00, 0x00,
 }

types/types.proto

@@ -124,7 +124,7 @@ message RequestInitChain{
 }
 
 message RequestBeginBlock{
-	uint64 height = 1;
+	Header header = 1;
 }
 
 message RequestEndBlock{
@@ -164,7 +164,11 @@ message ResponseFlush{
 }
 
 message ResponseInfo {
-	string info = 1;
+	string info = 1; // backwards compatible
+
+	TMSPInfo tmsp_info = 2;
+	LastBlockInfo last_block = 3;
+	ConfigInfo config = 4;
 }
 
 message ResponseSetOption{
@@ -207,7 +211,42 @@ message ResponseEndBlock{
 }
 
 //----------------------------------------
-// Misc types
+// Info types 
+
+message TMSPInfo {
+	string Version = 1;
+}
+
+message LastBlockInfo {
+	uint64 block_height = 1;
+	bytes block_hash = 2;
+	bytes app_hash = 3;
+}
+
+message ConfigInfo {
+	uint64 max_block_size = 1;
+}
+
+//----------------------------------------
+// Blockchain Types
+
+message Header {
+	string chain_id = 1;
+	uint64 height = 2;
+	uint64 time = 3;
+	uint64 num_txs = 4;
+	bytes last_block_hash = 5;
+	PartSetHeader last_block_parts = 6;
+	bytes last_commit_hash = 7;
+	bytes data_hash = 8;
+	bytes validators_hash = 9;
+	bytes app_hash = 10; 
+}
+
+message PartSetHeader {
+	uint64 total = 1;
+	bytes hash = 2;
+}
 
 message Validator {
             bytes             pubKey      = 1;