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/*
This file is part of go-ethereum
go-ethereum is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
go-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
package rpc
import (
"bytes"
"encoding/json"
"errors"
)
const (
ErrorArguments = "Error: Insufficient arguments"
ErrorNotImplemented = "Error: Method not implemented"
ErrorUnknown = "Error: Unknown error"
ErrorParseRequest = "Error: Could not parse request"
ErrorDecodeArgs = "Error: Could not decode arguments"
)
type ErrorResponse struct {
Error bool `json:"error"`
ErrorText string `json:"errorText"`
}
type RpcSuccessResponse struct {
ID int `json:"id"`
JsonRpc string `json:"jsonrpc"`
Error bool `json:"error"`
Result interface{} `json:"result"`
}
type RpcErrorResponse struct {
ID int `json:"id"`
JsonRpc string `json:"jsonrpc"`
Error bool `json:"error"`
ErrorText string `json:"errortext"`
}
type RpcRequest struct {
JsonRpc string `json:"jsonrpc"`
ID int `json:"id"`
Method string `json:"method"`
Params []json.RawMessage `json:"params"`
}
func (req *RpcRequest) ToGetBlockArgs() (*GetBlockArgs, error) {
if len(req.Params) < 1 {
return nil, NewErrorResponse(ErrorArguments)
}
args := new(GetBlockArgs)
r := bytes.NewReader(req.Params[0])
err := json.NewDecoder(r).Decode(args)
if err != nil {
return nil, NewErrorResponse(ErrorDecodeArgs)
}
rpclogger.DebugDetailf("%T %v", args, args)
return args, nil
}
func (req *RpcRequest) ToNewTxArgs() (*NewTxArgs, error) {
if len(req.Params) < 7 {
return nil, NewErrorResponse(ErrorArguments)
}
args := new(NewTxArgs)
r := bytes.NewReader(req.Params[0])
err := json.NewDecoder(r).Decode(args)
if err != nil {
return nil, NewErrorResponse(ErrorDecodeArgs)
}
rpclogger.DebugDetailf("%T %v", args, args)
return args, nil
}
func (req *RpcRequest) ToPushTxArgs() (*PushTxArgs, error) {
if len(req.Params) < 1 {
return nil, NewErrorResponse(ErrorArguments)
}
args := new(PushTxArgs)
r := bytes.NewReader(req.Params[0])
err := json.NewDecoder(r).Decode(args)
if err != nil {
return nil, NewErrorResponse(ErrorDecodeArgs)
}
rpclogger.DebugDetailf("%T %v", args, args)
return args, nil
}
func (req *RpcRequest) ToGetStorageArgs() (*GetStorageArgs, error) {
if len(req.Params) < 2 {
return nil, NewErrorResponse(ErrorArguments)
}
args := new(GetStorageArgs)
// TODO need to pass both arguments
r := bytes.NewReader(req.Params[0])
err := json.NewDecoder(r).Decode(args)
if err != nil {
return nil, NewErrorResponse(ErrorDecodeArgs)
}
rpclogger.DebugDetailf("%T %v", args, args)
return args, nil
}
func (req *RpcRequest) ToGetTxCountArgs() (*GetTxCountArgs, error) {
if len(req.Params) < 1 {
return nil, NewErrorResponse(ErrorArguments)
}
args := new(GetTxCountArgs)
r := bytes.NewReader(req.Params[0])
err := json.NewDecoder(r).Decode(args)
if err != nil {
return nil, NewErrorResponse(ErrorDecodeArgs)
}
rpclogger.DebugDetailf("%T %v", args, args)
return args, nil
}
func (req *RpcRequest) ToGetBalanceArgs() (*GetBalanceArgs, error) {
if len(req.Params) < 1 {
return nil, NewErrorResponse(ErrorArguments)
}
args := new(GetBalanceArgs)
r := bytes.NewReader(req.Params[0])
err := json.NewDecoder(r).Decode(args)
if err != nil {
return nil, NewErrorResponse(ErrorDecodeArgs)
}
rpclogger.DebugDetailf("%T %v", args, args)
return args, nil
}
func (req *RpcRequest) ToGetCodeAtArgs() (*GetCodeAtArgs, error) {
if len(req.Params) < 1 {
return nil, NewErrorResponse(ErrorArguments)
}
args := new(GetCodeAtArgs)
r := bytes.NewReader(req.Params[0])
err := json.NewDecoder(r).Decode(args)
if err != nil {
return nil, NewErrorResponse(ErrorDecodeArgs)
}
rpclogger.DebugDetailf("%T %v", args, args)
return args, nil
}
func NewErrorResponse(msg string) error {
return errors.New(msg)
}
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