api

type Codec interface {
	DecodeRequest(msgBytes []byte) (*Message, error)

	EncodeRequest(msg *Message) ([]byte, error)

	DecodeResponse(msgBytes []byte) (*Message, error)

	EncodeResponse(msg *Message) ([]byte, error)

	EncodeNewErrorResponse(id string, code int, message string, data []byte) ([]byte, error)
}

type ErrorCode int

type JsonRPCCodec struct {
}

type JsonRPCError struct {
	Code    int             `json:"code"`
	Message string          `json:"message"`
	Data    json.RawMessage `json:"data,omitempty"`
}

type JsonRPCRequest struct {
	Version string   `json:"jsonrpc"`
	Id      string   `json:"id"`
	Method  string   `json:"method"`
	Params  *Message `json:"params,omitempty"`
}

type JsonRPCResponse struct {
	Version string        `json:"jsonrpc"`
	Id      string        `json:"id"`
	Result  *Message      `json:"result,omitempty"`
	Error   *JsonRPCError `json:"error,omitempty"`
}

type Message struct {
	Signature string      `json:"signature"`
	Body      MessageBody `json:"body"`
}

type MessageBody struct {
	MessageId string `json:"message_id"`
	Method    string `json:"method"`
	DonId     string `json:"don_id"`
	Receiver  string `json:"receiver"`
	// Service-specific payload, decoded inside the Handler.
	Payload json.RawMessage `json:"payload,omitempty"`

	// Fields only used locally for convenience. Not serialized.
	Sender string `json:"-"`
}