neutrinorpc: add getblockhash functionality

This commit is contained in:
ErikEk 2022-05-06 21:40:36 +02:00
parent 6980a18ab1
commit 74023fe230
8 changed files with 452 additions and 73 deletions

View file

@ -958,6 +958,102 @@ func (x *GetCFilterResponse) GetFilter() []byte {
return nil
}
type GetBlockHashRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// The block height or index.
Height int32 `protobuf:"varint,1,opt,name=height,proto3" json:"height,omitempty"`
}
func (x *GetBlockHashRequest) Reset() {
*x = GetBlockHashRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_neutrinorpc_neutrino_proto_msgTypes[14]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *GetBlockHashRequest) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*GetBlockHashRequest) ProtoMessage() {}
func (x *GetBlockHashRequest) ProtoReflect() protoreflect.Message {
mi := &file_neutrinorpc_neutrino_proto_msgTypes[14]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use GetBlockHashRequest.ProtoReflect.Descriptor instead.
func (*GetBlockHashRequest) Descriptor() ([]byte, []int) {
return file_neutrinorpc_neutrino_proto_rawDescGZIP(), []int{14}
}
func (x *GetBlockHashRequest) GetHeight() int32 {
if x != nil {
return x.Height
}
return 0
}
type GetBlockHashResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// The block hash.
Hash string `protobuf:"bytes,1,opt,name=hash,proto3" json:"hash,omitempty"`
}
func (x *GetBlockHashResponse) Reset() {
*x = GetBlockHashResponse{}
if protoimpl.UnsafeEnabled {
mi := &file_neutrinorpc_neutrino_proto_msgTypes[15]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *GetBlockHashResponse) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*GetBlockHashResponse) ProtoMessage() {}
func (x *GetBlockHashResponse) ProtoReflect() protoreflect.Message {
mi := &file_neutrinorpc_neutrino_proto_msgTypes[15]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use GetBlockHashResponse.ProtoReflect.Descriptor instead.
func (*GetBlockHashResponse) Descriptor() ([]byte, []int) {
return file_neutrinorpc_neutrino_proto_rawDescGZIP(), []int{15}
}
func (x *GetBlockHashResponse) GetHash() string {
if x != nil {
return x.Hash
}
return ""
}
var File_neutrinorpc_neutrino_proto protoreflect.FileDescriptor
var file_neutrinorpc_neutrino_proto_rawDesc = []byte{
@ -1055,41 +1151,52 @@ var file_neutrinorpc_neutrino_proto_rawDesc = []byte{
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@ -1108,7 +1215,7 @@ func file_neutrinorpc_neutrino_proto_rawDescGZIP() []byte {
return file_neutrinorpc_neutrino_proto_rawDescData
}
var file_neutrinorpc_neutrino_proto_msgTypes = make([]protoimpl.MessageInfo, 14)
var file_neutrinorpc_neutrino_proto_msgTypes = make([]protoimpl.MessageInfo, 16)
var file_neutrinorpc_neutrino_proto_goTypes = []interface{}{
(*StatusRequest)(nil), // 0: neutrinorpc.StatusRequest
(*StatusResponse)(nil), // 1: neutrinorpc.StatusResponse
@ -1124,6 +1231,8 @@ var file_neutrinorpc_neutrino_proto_goTypes = []interface{}{
(*GetBlockResponse)(nil), // 11: neutrinorpc.GetBlockResponse
(*GetCFilterRequest)(nil), // 12: neutrinorpc.GetCFilterRequest
(*GetCFilterResponse)(nil), // 13: neutrinorpc.GetCFilterResponse
(*GetBlockHashRequest)(nil), // 14: neutrinorpc.GetBlockHashRequest
(*GetBlockHashResponse)(nil), // 15: neutrinorpc.GetBlockHashResponse
}
var file_neutrinorpc_neutrino_proto_depIdxs = []int32{
0, // 0: neutrinorpc.NeutrinoKit.Status:input_type -> neutrinorpc.StatusRequest
@ -1133,15 +1242,17 @@ var file_neutrinorpc_neutrino_proto_depIdxs = []int32{
8, // 4: neutrinorpc.NeutrinoKit.GetBlockHeader:input_type -> neutrinorpc.GetBlockHeaderRequest
10, // 5: neutrinorpc.NeutrinoKit.GetBlock:input_type -> neutrinorpc.GetBlockRequest
12, // 6: neutrinorpc.NeutrinoKit.GetCFilter:input_type -> neutrinorpc.GetCFilterRequest
1, // 7: neutrinorpc.NeutrinoKit.Status:output_type -> neutrinorpc.StatusResponse
3, // 8: neutrinorpc.NeutrinoKit.AddPeer:output_type -> neutrinorpc.AddPeerResponse
5, // 9: neutrinorpc.NeutrinoKit.DisconnectPeer:output_type -> neutrinorpc.DisconnectPeerResponse
7, // 10: neutrinorpc.NeutrinoKit.IsBanned:output_type -> neutrinorpc.IsBannedResponse
9, // 11: neutrinorpc.NeutrinoKit.GetBlockHeader:output_type -> neutrinorpc.GetBlockHeaderResponse
11, // 12: neutrinorpc.NeutrinoKit.GetBlock:output_type -> neutrinorpc.GetBlockResponse
13, // 13: neutrinorpc.NeutrinoKit.GetCFilter:output_type -> neutrinorpc.GetCFilterResponse
7, // [7:14] is the sub-list for method output_type
0, // [0:7] is the sub-list for method input_type
14, // 7: neutrinorpc.NeutrinoKit.GetBlockHash:input_type -> neutrinorpc.GetBlockHashRequest
1, // 8: neutrinorpc.NeutrinoKit.Status:output_type -> neutrinorpc.StatusResponse
3, // 9: neutrinorpc.NeutrinoKit.AddPeer:output_type -> neutrinorpc.AddPeerResponse
5, // 10: neutrinorpc.NeutrinoKit.DisconnectPeer:output_type -> neutrinorpc.DisconnectPeerResponse
7, // 11: neutrinorpc.NeutrinoKit.IsBanned:output_type -> neutrinorpc.IsBannedResponse
9, // 12: neutrinorpc.NeutrinoKit.GetBlockHeader:output_type -> neutrinorpc.GetBlockHeaderResponse
11, // 13: neutrinorpc.NeutrinoKit.GetBlock:output_type -> neutrinorpc.GetBlockResponse
13, // 14: neutrinorpc.NeutrinoKit.GetCFilter:output_type -> neutrinorpc.GetCFilterResponse
15, // 15: neutrinorpc.NeutrinoKit.GetBlockHash:output_type -> neutrinorpc.GetBlockHashResponse
8, // [8:16] is the sub-list for method output_type
0, // [0:8] is the sub-list for method input_type
0, // [0:0] is the sub-list for extension type_name
0, // [0:0] is the sub-list for extension extendee
0, // [0:0] is the sub-list for field type_name
@ -1321,6 +1432,30 @@ func file_neutrinorpc_neutrino_proto_init() {
return nil
}
}
file_neutrinorpc_neutrino_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*GetBlockHashRequest); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_neutrinorpc_neutrino_proto_msgTypes[15].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*GetBlockHashResponse); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
}
type x struct{}
out := protoimpl.TypeBuilder{
@ -1328,7 +1463,7 @@ func file_neutrinorpc_neutrino_proto_init() {
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_neutrinorpc_neutrino_proto_rawDesc,
NumEnums: 0,
NumMessages: 14,
NumMessages: 16,
NumExtensions: 0,
NumServices: 1,
},

View file

@ -309,6 +309,58 @@ func local_request_NeutrinoKit_GetCFilter_0(ctx context.Context, marshaler runti
}
func request_NeutrinoKit_GetBlockHash_0(ctx context.Context, marshaler runtime.Marshaler, client NeutrinoKitClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
var protoReq GetBlockHashRequest
var metadata runtime.ServerMetadata
var (
val string
ok bool
err error
_ = err
)
val, ok = pathParams["height"]
if !ok {
return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "height")
}
protoReq.Height, err = runtime.Int32(val)
if err != nil {
return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "height", err)
}
msg, err := client.GetBlockHash(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
return msg, metadata, err
}
func local_request_NeutrinoKit_GetBlockHash_0(ctx context.Context, marshaler runtime.Marshaler, server NeutrinoKitServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
var protoReq GetBlockHashRequest
var metadata runtime.ServerMetadata
var (
val string
ok bool
err error
_ = err
)
val, ok = pathParams["height"]
if !ok {
return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "height")
}
protoReq.Height, err = runtime.Int32(val)
if err != nil {
return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "height", err)
}
msg, err := server.GetBlockHash(ctx, &protoReq)
return msg, metadata, err
}
// RegisterNeutrinoKitHandlerServer registers the http handlers for service NeutrinoKit to "mux".
// UnaryRPC :call NeutrinoKitServer directly.
// StreamingRPC :currently unsupported pending https://github.com/grpc/grpc-go/issues/906.
@ -476,6 +528,29 @@ func RegisterNeutrinoKitHandlerServer(ctx context.Context, mux *runtime.ServeMux
})
mux.Handle("GET", pattern_NeutrinoKit_GetBlockHash_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
ctx, cancel := context.WithCancel(req.Context())
defer cancel()
var stream runtime.ServerTransportStream
ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req, "/neutrinorpc.NeutrinoKit/GetBlockHash", runtime.WithHTTPPathPattern("/v2/neutrino/blockhash/{height}"))
if err != nil {
runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
return
}
resp, md, err := local_request_NeutrinoKit_GetBlockHash_0(rctx, inboundMarshaler, server, req, pathParams)
md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
ctx = runtime.NewServerMetadataContext(ctx, md)
if err != nil {
runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
return
}
forward_NeutrinoKit_GetBlockHash_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
})
return nil
}
@ -657,6 +732,26 @@ func RegisterNeutrinoKitHandlerClient(ctx context.Context, mux *runtime.ServeMux
})
mux.Handle("GET", pattern_NeutrinoKit_GetBlockHash_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
ctx, cancel := context.WithCancel(req.Context())
defer cancel()
inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
rctx, err := runtime.AnnotateContext(ctx, mux, req, "/neutrinorpc.NeutrinoKit/GetBlockHash", runtime.WithHTTPPathPattern("/v2/neutrino/blockhash/{height}"))
if err != nil {
runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
return
}
resp, md, err := request_NeutrinoKit_GetBlockHash_0(rctx, inboundMarshaler, client, req, pathParams)
ctx = runtime.NewServerMetadataContext(ctx, md)
if err != nil {
runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
return
}
forward_NeutrinoKit_GetBlockHash_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
})
return nil
}
@ -674,6 +769,8 @@ var (
pattern_NeutrinoKit_GetBlock_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 1, 0, 4, 1, 5, 3}, []string{"v2", "neutrino", "block", "hash"}, ""))
pattern_NeutrinoKit_GetCFilter_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 1, 0, 4, 1, 5, 3}, []string{"v2", "neutrino", "cfilter", "hash"}, ""))
pattern_NeutrinoKit_GetBlockHash_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 1, 0, 4, 1, 5, 3}, []string{"v2", "neutrino", "blockhash", "height"}, ""))
)
var (
@ -690,4 +787,6 @@ var (
forward_NeutrinoKit_GetBlock_0 = runtime.ForwardResponseMessage
forward_NeutrinoKit_GetCFilter_0 = runtime.ForwardResponseMessage
forward_NeutrinoKit_GetBlockHash_0 = runtime.ForwardResponseMessage
)

View file

@ -45,6 +45,11 @@ service NeutrinoKit {
GetCFilter returns a compact filter from a block.
*/
rpc GetCFilter (GetCFilterRequest) returns (GetCFilterResponse);
/*
GetBlockHash returns the header hash of a block at a given height.
*/
rpc GetBlockHash (GetBlockHashRequest) returns (GetBlockHashResponse);
}
message StatusRequest {
@ -208,3 +213,13 @@ message GetCFilterResponse {
// GCS filter.
bytes filter = 1;
}
message GetBlockHashRequest {
// The block height or index.
int32 height = 1;
}
message GetBlockHashResponse {
// The block hash.
string hash = 1;
}

View file

@ -81,6 +81,39 @@
]
}
},
"/v2/neutrino/blockhash/{height}": {
"get": {
"summary": "GetBlockHash returns the header hash of a block at a given height.",
"operationId": "NeutrinoKit_GetBlockHash",
"responses": {
"200": {
"description": "A successful response.",
"schema": {
"$ref": "#/definitions/neutrinorpcGetBlockHashResponse"
}
},
"default": {
"description": "An unexpected error response.",
"schema": {
"$ref": "#/definitions/rpcStatus"
}
}
},
"parameters": [
{
"name": "height",
"description": "The block height or index.",
"in": "path",
"required": true,
"type": "integer",
"format": "int32"
}
],
"tags": [
"NeutrinoKit"
]
}
},
"/v2/neutrino/blockheader/{hash}": {
"get": {
"summary": "GetBlockHeader returns a block header with a particular block hash.",
@ -259,6 +292,15 @@
"neutrinorpcDisconnectPeerResponse": {
"type": "object"
},
"neutrinorpcGetBlockHashResponse": {
"type": "object",
"properties": {
"hash": {
"type": "string",
"description": "The block hash."
}
}
},
"neutrinorpcGetBlockHeaderResponse": {
"type": "object",
"properties": {

View file

@ -19,3 +19,5 @@ http:
get: "/v2/neutrino/blockheader/{hash}"
- selector: neutrinorpc.NeutrinoKit.GetCFilter
get: "/v2/neutrino/cfilter/{hash}"
- selector: neutrinorpc.NeutrinoKit.GetBlockHash
get: "/v2/neutrino/blockhash/{height}"

View file

@ -43,6 +43,9 @@ type NeutrinoKitClient interface {
//
//GetCFilter returns a compact filter from a block.
GetCFilter(ctx context.Context, in *GetCFilterRequest, opts ...grpc.CallOption) (*GetCFilterResponse, error)
//
//GetBlockHash returns the header hash of a block at a given height.
GetBlockHash(ctx context.Context, in *GetBlockHashRequest, opts ...grpc.CallOption) (*GetBlockHashResponse, error)
}
type neutrinoKitClient struct {
@ -116,6 +119,15 @@ func (c *neutrinoKitClient) GetCFilter(ctx context.Context, in *GetCFilterReques
return out, nil
}
func (c *neutrinoKitClient) GetBlockHash(ctx context.Context, in *GetBlockHashRequest, opts ...grpc.CallOption) (*GetBlockHashResponse, error) {
out := new(GetBlockHashResponse)
err := c.cc.Invoke(ctx, "/neutrinorpc.NeutrinoKit/GetBlockHash", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
// NeutrinoKitServer is the server API for NeutrinoKit service.
// All implementations must embed UnimplementedNeutrinoKitServer
// for forward compatibility
@ -145,6 +157,9 @@ type NeutrinoKitServer interface {
//
//GetCFilter returns a compact filter from a block.
GetCFilter(context.Context, *GetCFilterRequest) (*GetCFilterResponse, error)
//
//GetBlockHash returns the header hash of a block at a given height.
GetBlockHash(context.Context, *GetBlockHashRequest) (*GetBlockHashResponse, error)
mustEmbedUnimplementedNeutrinoKitServer()
}
@ -173,6 +188,9 @@ func (UnimplementedNeutrinoKitServer) GetBlock(context.Context, *GetBlockRequest
func (UnimplementedNeutrinoKitServer) GetCFilter(context.Context, *GetCFilterRequest) (*GetCFilterResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method GetCFilter not implemented")
}
func (UnimplementedNeutrinoKitServer) GetBlockHash(context.Context, *GetBlockHashRequest) (*GetBlockHashResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method GetBlockHash not implemented")
}
func (UnimplementedNeutrinoKitServer) mustEmbedUnimplementedNeutrinoKitServer() {}
// UnsafeNeutrinoKitServer may be embedded to opt out of forward compatibility for this service.
@ -312,6 +330,24 @@ func _NeutrinoKit_GetCFilter_Handler(srv interface{}, ctx context.Context, dec f
return interceptor(ctx, in, info, handler)
}
func _NeutrinoKit_GetBlockHash_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(GetBlockHashRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(NeutrinoKitServer).GetBlockHash(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/neutrinorpc.NeutrinoKit/GetBlockHash",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(NeutrinoKitServer).GetBlockHash(ctx, req.(*GetBlockHashRequest))
}
return interceptor(ctx, in, info, handler)
}
// NeutrinoKit_ServiceDesc is the grpc.ServiceDesc for NeutrinoKit service.
// It's only intended for direct use with grpc.RegisterService,
// and not to be introspected or modified (even as a copy)
@ -347,6 +383,10 @@ var NeutrinoKit_ServiceDesc = grpc.ServiceDesc{
MethodName: "GetCFilter",
Handler: _NeutrinoKit_GetCFilter_Handler,
},
{
MethodName: "GetBlockHash",
Handler: _NeutrinoKit_GetBlockHash_Handler,
},
},
Streams: []grpc.StreamDesc{},
Metadata: "neutrinorpc/neutrino.proto",

View file

@ -59,6 +59,10 @@ var (
Entity: "onchain",
Action: "read",
}},
"/neutrinorpc.NeutrinoKit/GetBlockHash": {{
Entity: "onchain",
Action: "read",
}},
}
// ErrNeutrinoNotActive is an error returned when there is no running
@ -192,13 +196,12 @@ func (s *Server) Status(ctx context.Context,
in *StatusRequest) (*StatusResponse, error) {
if s.cfg.NeutrinoCS == nil {
return &StatusResponse{}, nil
return nil, ErrNeutrinoNotActive
}
bestBlock, err := s.cfg.NeutrinoCS.BestBlock()
if err != nil {
return &StatusResponse{},
fmt.Errorf("could not get best block: %v", err)
return nil, fmt.Errorf("could not get best block: %v", err)
}
peers := s.cfg.NeutrinoCS.Peers()
@ -223,12 +226,12 @@ func (s *Server) AddPeer(ctx context.Context,
in *AddPeerRequest) (*AddPeerResponse, error) {
if s.cfg.NeutrinoCS == nil {
return &AddPeerResponse{}, ErrNeutrinoNotActive
return nil, ErrNeutrinoNotActive
}
peer := s.cfg.NeutrinoCS.PeerByAddr(in.PeerAddrs)
if peer == nil {
return &AddPeerResponse{},
return nil,
fmt.Errorf("could not found peer: %s", in.PeerAddrs)
}
s.cfg.NeutrinoCS.AddPeer(peer)
@ -245,18 +248,18 @@ func (s *Server) DisconnectPeer(ctx context.Context,
in *DisconnectPeerRequest) (*DisconnectPeerResponse, error) {
if s.cfg.NeutrinoCS == nil {
return &DisconnectPeerResponse{}, ErrNeutrinoNotActive
return nil, ErrNeutrinoNotActive
}
peer := s.cfg.NeutrinoCS.PeerByAddr(in.PeerAddrs)
if peer == nil {
return &DisconnectPeerResponse{},
return nil,
fmt.Errorf("could not found peer: %s", in.PeerAddrs)
}
err := s.cfg.NeutrinoCS.DisconnectNodeByAddr(peer.Addr())
if err != nil {
return &DisconnectPeerResponse{}, err
return nil, err
}
return &DisconnectPeerResponse{}, nil
@ -269,7 +272,7 @@ func (s *Server) IsBanned(ctx context.Context,
in *IsBannedRequest) (*IsBannedResponse, error) {
if s.cfg.NeutrinoCS == nil {
return &IsBannedResponse{}, ErrNeutrinoNotActive
return nil, ErrNeutrinoNotActive
}
return &IsBannedResponse{
@ -287,17 +290,17 @@ func (s *Server) GetBlockHeader(ctx context.Context,
in *GetBlockHeaderRequest) (*GetBlockHeaderResponse, error) {
if s.cfg.NeutrinoCS == nil {
return &GetBlockHeaderResponse{}, ErrNeutrinoNotActive
return nil, ErrNeutrinoNotActive
}
var hash chainhash.Hash
if err := chainhash.Decode(&hash, in.Hash); err != nil {
return &GetBlockHeaderResponse{}, err
return nil, err
}
resp, err := s.getBlock(hash)
if err != nil {
return &GetBlockHeaderResponse{}, err
return nil, err
}
return &GetBlockHeaderResponse{
@ -328,12 +331,12 @@ func (s *Server) GetBlock(ctx context.Context,
in *GetBlockRequest) (*GetBlockResponse, error) {
if s.cfg.NeutrinoCS == nil {
return &GetBlockResponse{}, ErrNeutrinoNotActive
return nil, ErrNeutrinoNotActive
}
var hash chainhash.Hash
if err := chainhash.Decode(&hash, in.Hash); err != nil {
return &GetBlockResponse{}, err
return nil, err
}
return s.getBlock(hash)
@ -347,24 +350,24 @@ func (s *Server) GetCFilter(ctx context.Context,
in *GetCFilterRequest) (*GetCFilterResponse, error) {
if s.cfg.NeutrinoCS == nil {
return &GetCFilterResponse{}, ErrNeutrinoNotActive
return nil, ErrNeutrinoNotActive
}
var hash chainhash.Hash
if err := chainhash.Decode(&hash, in.Hash); err != nil {
return &GetCFilterResponse{}, err
return nil, err
}
// GetCFilter returns a compact filter from the database. If it is missing,
// it requests the compact filter from the network.
// GetCFilter returns a compact filter from the database. If it is
// missing, it requests the compact filter from the network.
filter, err := s.cfg.NeutrinoCS.GetCFilter(hash, wire.GCSFilterRegular)
if err != nil {
return &GetCFilterResponse{}, err
return nil, err
}
filterlBytes, err := filter.Bytes()
if err != nil {
return &GetCFilterResponse{}, err
return nil, err
}
return &GetCFilterResponse{Filter: filterlBytes}, nil
@ -373,27 +376,27 @@ func (s *Server) GetCFilter(ctx context.Context,
func (s *Server) getBlock(hash chainhash.Hash) (*GetBlockResponse, error) {
block, err := s.cfg.NeutrinoCS.GetBlock(hash)
if err != nil {
return &GetBlockResponse{}, err
return nil, err
}
header, _, err := s.cfg.NeutrinoCS.BlockHeaders.FetchHeader(&hash)
if err != nil {
return &GetBlockResponse{}, err
return nil, err
}
blockData, err := block.Bytes()
if err != nil {
return &GetBlockResponse{}, err
return nil, err
}
strippedData, err := block.BytesNoWitness()
if err != nil {
return &GetBlockResponse{}, err
return nil, err
}
bestBlock, err := s.cfg.NeutrinoCS.BestBlock()
if err != nil {
return &GetBlockResponse{}, err
return nil, err
}
// Convert txids to a string array.
@ -423,3 +426,21 @@ func (s *Server) getBlock(hash chainhash.Hash) (*GetBlockResponse, error) {
RawHex: blockData,
}, nil
}
// GetBlockHash returns the header hash of a block at a given height.
//
// NOTE: Part of the NeutrinoKitServer interface.
func (s *Server) GetBlockHash(ctx context.Context,
in *GetBlockHashRequest) (*GetBlockHashResponse, error) {
if s.cfg.NeutrinoCS == nil {
return nil, ErrNeutrinoNotActive
}
hash, err := s.cfg.NeutrinoCS.GetBlockHash(int64(in.Height))
if err != nil {
return nil, err
}
return &GetBlockHashResponse{Hash: hash.String()}, nil
}

View file

@ -197,4 +197,29 @@ func RegisterNeutrinoKitJSONCallbacks(registry map[string]func(ctx context.Conte
}
callback(string(respBytes), nil)
}
registry["neutrinorpc.NeutrinoKit.GetBlockHash"] = func(ctx context.Context,
conn *grpc.ClientConn, reqJSON string, callback func(string, error)) {
req := &GetBlockHashRequest{}
err := marshaler.Unmarshal([]byte(reqJSON), req)
if err != nil {
callback("", err)
return
}
client := NewNeutrinoKitClient(conn)
resp, err := client.GetBlockHash(ctx, req)
if err != nil {
callback("", err)
return
}
respBytes, err := marshaler.Marshal(resp)
if err != nil {
callback("", err)
return
}
callback(string(respBytes), nil)
}
}