Add transparent txns

cmd/server/main.go

@@ -160,7 +160,7 @@ func main() {
 	}
 
 	// Compact transaction service initialization
-	service, err := frontend.NewSQLiteStreamer(opts.dbPath, rpcClient)
+	service, err := frontend.NewSQLiteStreamer(opts.dbPath, rpcClient, log)
 	if err != nil {
 		log.WithFields(logrus.Fields{
 			"db_path": opts.dbPath,

frontend/service.go

@@ -13,6 +13,7 @@ import (
 
 	"github.com/adityapk00/btcd/rpcclient"
 	"github.com/golang/protobuf/proto"
+	"github.com/sirupsen/logrus"
 
 	// blank import for sqlite driver support
 	_ "github.com/mattn/go-sqlite3"
@@ -29,9 +30,10 @@ var (
 type SqlStreamer struct {
 	db     *sql.DB
 	client *rpcclient.Client
+	log    *logrus.Entry
 }
 
-func NewSQLiteStreamer(dbPath string, client *rpcclient.Client) (walletrpc.CompactTxStreamerServer, error) {
+func NewSQLiteStreamer(dbPath string, client *rpcclient.Client, log *logrus.Entry) (walletrpc.CompactTxStreamerServer, error) {
 	db, err := sql.Open("sqlite3", fmt.Sprintf("file:%s?_busy_timeout=10000&cache=shared", dbPath))
 	db.SetMaxOpenConns(1)
 	if err != nil {
@@ -44,7 +46,7 @@ func NewSQLiteStreamer(dbPath string, client *rpcclient.Client) (walletrpc.Compa
 		return nil, err
 	}
 
-	return &SqlStreamer{db, client}, nil
+	return &SqlStreamer{db, client, log}, nil
 }
 
 func (s *SqlStreamer) GracefulStop() error {
@@ -86,6 +88,61 @@ func (s *SqlStreamer) GetBlock(ctx context.Context, id *walletrpc.BlockID) (*wal
 	return cBlock, err
 }
 
+func (s *SqlStreamer) GetAddressTxids(addressBlockFilter *walletrpc.TransparentAddressBlockFilter, resp walletrpc.CompactTxStreamer_GetAddressTxidsServer) error {
+	params := make([]json.RawMessage, 1)
+	st := "{\"addresses\": [\"" + addressBlockFilter.Address + "\"]," +
+		"\"start\": " + strconv.FormatUint(addressBlockFilter.Range.Start.Height, 10) +
+		", \"end\": " + strconv.FormatUint(addressBlockFilter.Range.End.Height, 10) + "}"
+
+	params[0] = json.RawMessage(st)
+
+	result, rpcErr := s.client.RawRequest("getaddresstxids", params)
+
+	var err error
+	var errCode int64
+
+	// For some reason, the error responses are not JSON
+	if rpcErr != nil {
+		s.log.Errorf("Got error: %s", rpcErr.Error())
+		errParts := strings.SplitN(rpcErr.Error(), ":", 2)
+		errCode, err = strconv.ParseInt(errParts[0], 10, 32)
+		//Check to see if we are requesting a height the zcashd doesn't have yet
+		if err == nil && errCode == -8 {
+			return nil
+		}
+		return nil
+	}
+
+	var txids []string
+	err = json.Unmarshal(result, &txids)
+	if err != nil {
+		s.log.Errorf("Got error: %s", err.Error())
+		return nil
+	}
+
+	timeout, cancel := context.WithTimeout(resp.Context(), 30*time.Second)
+	defer cancel()
+
+	for _, txidstr := range txids {
+		txid, _ := hex.DecodeString(txidstr)
+		// Txid is read as a string, which is in big-endian order. But when converting
+		// to bytes, it should be little-endian
+		for left, right := 0, len(txid)-1; left < right; left, right = left+1, right-1 {
+			txid[left], txid[right] = txid[right], txid[left]
+		}
+
+		tx, err := s.GetTransaction(timeout, &walletrpc.TxFilter{Hash: txid})
+		if err != nil {
+			s.log.Errorf("Got error: %s", err.Error())
+			return nil
+		}
+
+		resp.Send(tx)
+	}
+
+	return nil
+}
+
 func (s *SqlStreamer) GetUtxos(address *walletrpc.TransparentAddress, resp walletrpc.CompactTxStreamer_GetUtxosServer) error {
 	utxos, _ := s.client.GetAddressUtxos(address.Address)
 

walletrpc/service.pb.go

@@ -424,6 +424,53 @@ func (m *TransparentAddress) GetAddress() string {
 	return ""
 }
 
+type TransparentAddressBlockFilter struct {
+	Address              string      `protobuf:"bytes,1,opt,name=address,proto3" json:"address,omitempty"`
+	Range                *BlockRange `protobuf:"bytes,2,opt,name=range,proto3" json:"range,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}    `json:"-"`
+	XXX_unrecognized     []byte      `json:"-"`
+	XXX_sizecache        int32       `json:"-"`
+}
+
+func (m *TransparentAddressBlockFilter) Reset()         { *m = TransparentAddressBlockFilter{} }
+func (m *TransparentAddressBlockFilter) String() string { return proto.CompactTextString(m) }
+func (*TransparentAddressBlockFilter) ProtoMessage()    {}
+func (*TransparentAddressBlockFilter) Descriptor() ([]byte, []int) {
+	return fileDescriptor_a0b84a42fa06f626, []int{9}
+}
+
+func (m *TransparentAddressBlockFilter) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_TransparentAddressBlockFilter.Unmarshal(m, b)
+}
+func (m *TransparentAddressBlockFilter) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_TransparentAddressBlockFilter.Marshal(b, m, deterministic)
+}
+func (m *TransparentAddressBlockFilter) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_TransparentAddressBlockFilter.Merge(m, src)
+}
+func (m *TransparentAddressBlockFilter) XXX_Size() int {
+	return xxx_messageInfo_TransparentAddressBlockFilter.Size(m)
+}
+func (m *TransparentAddressBlockFilter) XXX_DiscardUnknown() {
+	xxx_messageInfo_TransparentAddressBlockFilter.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_TransparentAddressBlockFilter proto.InternalMessageInfo
+
+func (m *TransparentAddressBlockFilter) GetAddress() string {
+	if m != nil {
+		return m.Address
+	}
+	return ""
+}
+
+func (m *TransparentAddressBlockFilter) GetRange() *BlockRange {
+	if m != nil {
+		return m.Range
+	}
+	return nil
+}
+
 type Utxo struct {
 	Address              *TransparentAddress `protobuf:"bytes,1,opt,name=address,proto3" json:"address,omitempty"`
 	Txid                 []byte              `protobuf:"bytes,2,opt,name=txid,proto3" json:"txid,omitempty"`
@@ -440,7 +487,7 @@ func (m *Utxo) Reset()         { *m = Utxo{} }
 func (m *Utxo) String() string { return proto.CompactTextString(m) }
 func (*Utxo) ProtoMessage()    {}
 func (*Utxo) Descriptor() ([]byte, []int) {
-	return fileDescriptor_a0b84a42fa06f626, []int{9}
+	return fileDescriptor_a0b84a42fa06f626, []int{10}
 }
 
 func (m *Utxo) XXX_Unmarshal(b []byte) error {
@@ -513,51 +560,55 @@ func init() {
 	proto.RegisterType((*Empty)(nil), "cash.z.wallet.sdk.rpc.Empty")
 	proto.RegisterType((*LightdInfo)(nil), "cash.z.wallet.sdk.rpc.LightdInfo")
 	proto.RegisterType((*TransparentAddress)(nil), "cash.z.wallet.sdk.rpc.TransparentAddress")
+	proto.RegisterType((*TransparentAddressBlockFilter)(nil), "cash.z.wallet.sdk.rpc.TransparentAddressBlockFilter")
 	proto.RegisterType((*Utxo)(nil), "cash.z.wallet.sdk.rpc.Utxo")
 }
 
 func init() { proto.RegisterFile("service.proto", fileDescriptor_a0b84a42fa06f626) }
 
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+	0x04, 0xbc, 0x72, 0xd8, 0x38, 0xad, 0x67, 0x9f, 0x4d, 0x1a, 0x9d, 0xaf, 0xd2, 0x5f, 0xe8, 0xf5,
+	0xdf, 0x00, 0x00, 0x00, 0xff, 0xff, 0x7b, 0x7b, 0x3e, 0x9f, 0xc4, 0x06, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -581,6 +632,7 @@ type CompactTxStreamerClient interface {
 	SendTransaction(ctx context.Context, in *RawTransaction, opts ...grpc.CallOption) (*SendResponse, error)
 	// t-Address support
 	GetUtxos(ctx context.Context, in *TransparentAddress, opts ...grpc.CallOption) (CompactTxStreamer_GetUtxosClient, error)
+	GetAddressTxids(ctx context.Context, in *TransparentAddressBlockFilter, opts ...grpc.CallOption) (CompactTxStreamer_GetAddressTxidsClient, error)
 	// Misc
 	GetLightdInfo(ctx context.Context, in *Empty, opts ...grpc.CallOption) (*LightdInfo, error)
 }
@@ -693,6 +745,38 @@ func (x *compactTxStreamerGetUtxosClient) Recv() (*Utxo, error) {
 	return m, nil
 }
 
+func (c *compactTxStreamerClient) GetAddressTxids(ctx context.Context, in *TransparentAddressBlockFilter, opts ...grpc.CallOption) (CompactTxStreamer_GetAddressTxidsClient, error) {
+	stream, err := c.cc.NewStream(ctx, &_CompactTxStreamer_serviceDesc.Streams[2], "/cash.z.wallet.sdk.rpc.CompactTxStreamer/GetAddressTxids", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &compactTxStreamerGetAddressTxidsClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type CompactTxStreamer_GetAddressTxidsClient interface {
+	Recv() (*RawTransaction, error)
+	grpc.ClientStream
+}
+
+type compactTxStreamerGetAddressTxidsClient struct {
+	grpc.ClientStream
+}
+
+func (x *compactTxStreamerGetAddressTxidsClient) Recv() (*RawTransaction, error) {
+	m := new(RawTransaction)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
 func (c *compactTxStreamerClient) GetLightdInfo(ctx context.Context, in *Empty, opts ...grpc.CallOption) (*LightdInfo, error) {
 	out := new(LightdInfo)
 	err := c.cc.Invoke(ctx, "/cash.z.wallet.sdk.rpc.CompactTxStreamer/GetLightdInfo", in, out, opts...)
@@ -713,6 +797,7 @@ type CompactTxStreamerServer interface {
 	SendTransaction(context.Context, *RawTransaction) (*SendResponse, error)
 	// t-Address support
 	GetUtxos(*TransparentAddress, CompactTxStreamer_GetUtxosServer) error
+	GetAddressTxids(*TransparentAddressBlockFilter, CompactTxStreamer_GetAddressTxidsServer) error
 	// Misc
 	GetLightdInfo(context.Context, *Empty) (*LightdInfo, error)
 }
@@ -739,6 +824,9 @@ func (*UnimplementedCompactTxStreamerServer) SendTransaction(ctx context.Context
 func (*UnimplementedCompactTxStreamerServer) GetUtxos(req *TransparentAddress, srv CompactTxStreamer_GetUtxosServer) error {
 	return status.Errorf(codes.Unimplemented, "method GetUtxos not implemented")
 }
+func (*UnimplementedCompactTxStreamerServer) GetAddressTxids(req *TransparentAddressBlockFilter, srv CompactTxStreamer_GetAddressTxidsServer) error {
+	return status.Errorf(codes.Unimplemented, "method GetAddressTxids not implemented")
+}
 func (*UnimplementedCompactTxStreamerServer) GetLightdInfo(ctx context.Context, req *Empty) (*LightdInfo, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetLightdInfo not implemented")
 }
@@ -861,6 +949,27 @@ func (x *compactTxStreamerGetUtxosServer) Send(m *Utxo) error {
 	return x.ServerStream.SendMsg(m)
 }
 
+func _CompactTxStreamer_GetAddressTxids_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(TransparentAddressBlockFilter)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(CompactTxStreamerServer).GetAddressTxids(m, &compactTxStreamerGetAddressTxidsServer{stream})
+}
+
+type CompactTxStreamer_GetAddressTxidsServer interface {
+	Send(*RawTransaction) error
+	grpc.ServerStream
+}
+
+type compactTxStreamerGetAddressTxidsServer struct {
+	grpc.ServerStream
+}
+
+func (x *compactTxStreamerGetAddressTxidsServer) Send(m *RawTransaction) error {
+	return x.ServerStream.SendMsg(m)
+}
+
 func _CompactTxStreamer_GetLightdInfo_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(Empty)
 	if err := dec(in); err != nil {
@@ -915,6 +1024,11 @@ var _CompactTxStreamer_serviceDesc = grpc.ServiceDesc{
 			Handler:       _CompactTxStreamer_GetUtxos_Handler,
 			ServerStreams: true,
 		},
+		{
+			StreamName:    "GetAddressTxids",
+			Handler:       _CompactTxStreamer_GetAddressTxids_Handler,
+			ServerStreams: true,
+		},
 	},
 	Metadata: "service.proto",
 }

walletrpc/service.proto

@@ -52,6 +52,11 @@ message TransparentAddress {
     string address = 1;
 }
 
+message TransparentAddressBlockFilter {
+    string address = 1;
+    BlockRange range = 2;
+}
+
 message Utxo {
     TransparentAddress address = 1;
     bytes txid = 2;
@@ -73,6 +78,7 @@ service CompactTxStreamer {
 
     // t-Address support
     rpc GetUtxos(TransparentAddress) returns (stream Utxo) {}
+    rpc GetAddressTxids(TransparentAddressBlockFilter) returns (stream RawTransaction) {}
 
     // Misc
     rpc GetLightdInfo(Empty) returns (LightdInfo) {}