add download proto

syncing/downloader/proto/downloader.pb.go

@@ -0,0 +1,240 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// source: downloader.proto
+
+package downloader
+
+import (
+	context "context"
+	fmt "fmt"
+	proto "github.com/golang/protobuf/proto"
+	grpc "google.golang.org/grpc"
+	math "math"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+
+type DownloaderRequest_RequestType int32
+
+const (
+	DownloaderRequest_HEADER DownloaderRequest_RequestType = 0
+	DownloaderRequest_BLOCK  DownloaderRequest_RequestType = 1
+	DownloaderRequest_UNKOWN DownloaderRequest_RequestType = 2
+)
+
+var DownloaderRequest_RequestType_name = map[int32]string{
+	0: "HEADER",
+	1: "BLOCK",
+	2: "UNKOWN",
+}
+
+var DownloaderRequest_RequestType_value = map[string]int32{
+	"HEADER": 0,
+	"BLOCK":  1,
+	"UNKOWN": 2,
+}
+
+func (x DownloaderRequest_RequestType) String() string {
+	return proto.EnumName(DownloaderRequest_RequestType_name, int32(x))
+}
+
+func (DownloaderRequest_RequestType) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_6a99ec95c7ab1ff1, []int{0, 0}
+}
+
+// DownloaderRequest is the generic download request.
+type DownloaderRequest struct {
+	// Request type.
+	Type DownloaderRequest_RequestType `protobuf:"varint,1,opt,name=type,proto3,enum=downloader.DownloaderRequest_RequestType" json:"type,omitempty"`
+	// The array of ids or heights of the blocks we want to download.
+	Height               []int32  `protobuf:"varint,2,rep,packed,name=height,proto3" json:"height,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *DownloaderRequest) Reset()         { *m = DownloaderRequest{} }
+func (m *DownloaderRequest) String() string { return proto.CompactTextString(m) }
+func (*DownloaderRequest) ProtoMessage()    {}
+func (*DownloaderRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_6a99ec95c7ab1ff1, []int{0}
+}
+
+func (m *DownloaderRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_DownloaderRequest.Unmarshal(m, b)
+}
+func (m *DownloaderRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_DownloaderRequest.Marshal(b, m, deterministic)
+}
+func (m *DownloaderRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_DownloaderRequest.Merge(m, src)
+}
+func (m *DownloaderRequest) XXX_Size() int {
+	return xxx_messageInfo_DownloaderRequest.Size(m)
+}
+func (m *DownloaderRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_DownloaderRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_DownloaderRequest proto.InternalMessageInfo
+
+func (m *DownloaderRequest) GetType() DownloaderRequest_RequestType {
+	if m != nil {
+		return m.Type
+	}
+	return DownloaderRequest_HEADER
+}
+
+func (m *DownloaderRequest) GetHeight() []int32 {
+	if m != nil {
+		return m.Height
+	}
+	return nil
+}
+
+// DownloaderResponse is the generic response of DownloaderRequest.
+type DownloaderResponse struct {
+	// payload of Block.
+	Payload              [][]byte `protobuf:"bytes,1,rep,name=payload,proto3" json:"payload,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *DownloaderResponse) Reset()         { *m = DownloaderResponse{} }
+func (m *DownloaderResponse) String() string { return proto.CompactTextString(m) }
+func (*DownloaderResponse) ProtoMessage()    {}
+func (*DownloaderResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_6a99ec95c7ab1ff1, []int{1}
+}
+
+func (m *DownloaderResponse) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_DownloaderResponse.Unmarshal(m, b)
+}
+func (m *DownloaderResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_DownloaderResponse.Marshal(b, m, deterministic)
+}
+func (m *DownloaderResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_DownloaderResponse.Merge(m, src)
+}
+func (m *DownloaderResponse) XXX_Size() int {
+	return xxx_messageInfo_DownloaderResponse.Size(m)
+}
+func (m *DownloaderResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_DownloaderResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_DownloaderResponse proto.InternalMessageInfo
+
+func (m *DownloaderResponse) GetPayload() [][]byte {
+	if m != nil {
+		return m.Payload
+	}
+	return nil
+}
+
+func init() {
+	proto.RegisterEnum("downloader.DownloaderRequest_RequestType", DownloaderRequest_RequestType_name, DownloaderRequest_RequestType_value)
+	proto.RegisterType((*DownloaderRequest)(nil), "downloader.DownloaderRequest")
+	proto.RegisterType((*DownloaderResponse)(nil), "downloader.DownloaderResponse")
+}
+
+func init() { proto.RegisterFile("downloader.proto", fileDescriptor_6a99ec95c7ab1ff1) }
+
+var fileDescriptor_6a99ec95c7ab1ff1 = []byte{
+	// 213 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x12, 0x48, 0xc9, 0x2f, 0xcf,
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+	0xf2, 0xf3, 0x8a, 0x53, 0x85, 0x24, 0xb8, 0xd8, 0x0b, 0x12, 0x2b, 0x41, 0x82, 0x12, 0x8c, 0x0a,
+	0xcc, 0x1a, 0x3c, 0x41, 0x30, 0xae, 0x51, 0x18, 0x17, 0x17, 0x42, 0xbd, 0x90, 0x07, 0x17, 0x6b,
+	0x60, 0x69, 0x6a, 0x51, 0xa5, 0x90, 0x2c, 0x5e, 0x1f, 0x48, 0xc9, 0xe1, 0x92, 0x86, 0xd8, 0xa7,
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+	0x54, 0x4d, 0x01, 0x00, 0x00,
+}
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ context.Context
+var _ grpc.ClientConn
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+const _ = grpc.SupportPackageIsVersion4
+
+// DownloaderClient is the client API for Downloader service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
+type DownloaderClient interface {
+	Query(ctx context.Context, in *DownloaderRequest, opts ...grpc.CallOption) (*DownloaderResponse, error)
+}
+
+type downloaderClient struct {
+	cc *grpc.ClientConn
+}
+
+func NewDownloaderClient(cc *grpc.ClientConn) DownloaderClient {
+	return &downloaderClient{cc}
+}
+
+func (c *downloaderClient) Query(ctx context.Context, in *DownloaderRequest, opts ...grpc.CallOption) (*DownloaderResponse, error) {
+	out := new(DownloaderResponse)
+	err := c.cc.Invoke(ctx, "/downloader.Downloader/Query", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// DownloaderServer is the server API for Downloader service.
+type DownloaderServer interface {
+	Query(context.Context, *DownloaderRequest) (*DownloaderResponse, error)
+}
+
+func RegisterDownloaderServer(s *grpc.Server, srv DownloaderServer) {
+	s.RegisterService(&_Downloader_serviceDesc, srv)
+}
+
+func _Downloader_Query_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DownloaderRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DownloaderServer).Query(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/downloader.Downloader/Query",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DownloaderServer).Query(ctx, req.(*DownloaderRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+var _Downloader_serviceDesc = grpc.ServiceDesc{
+	ServiceName: "downloader.Downloader",
+	HandlerType: (*DownloaderServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Query",
+			Handler:    _Downloader_Query_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "downloader.proto",
+}

syncing/downloader/proto/downloader.proto

@@ -0,0 +1,29 @@
+syntax = "proto3";
+
+package downloader;
+
+// Downloader is the service used for downloading/sycning blocks.
+service Downloader {
+  rpc Query(DownloaderRequest) returns (DownloaderResponse) {}
+}
+
+// DownloaderRequest is the generic download request.
+message DownloaderRequest {
+  enum RequestType {
+    HEADER = 0;
+    BLOCK = 1;
+    UNKOWN = 2;
+  }
+ 
+  // Request type.
+  RequestType type = 1;
+
+  // The array of ids or heights of the blocks we want to download.
+  repeated int32 height = 2;
+}
+
+// DownloaderResponse is the generic response of DownloaderRequest.
+message DownloaderResponse {
+  // payload of Block.
+  repeated bytes payload = 1;
+}