2015-01-13 09:13:43 -06:00
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/*
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This file is part of go-ethereum
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go-ethereum is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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go-ethereum is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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2014-10-21 06:24:48 -05:00
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package rpc
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2015-01-12 23:25:29 -06:00
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import (
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"bytes"
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"encoding/json"
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"errors"
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2015-01-29 05:01:51 -06:00
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"fmt"
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2015-01-30 06:25:12 -06:00
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"github.com/ethereum/go-ethereum/xeth"
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2015-01-12 23:25:29 -06:00
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)
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const (
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ErrorArguments = "Error: Insufficient arguments"
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ErrorNotImplemented = "Error: Method not implemented"
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ErrorUnknown = "Error: Unknown error"
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ErrorParseRequest = "Error: Could not parse request"
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ErrorDecodeArgs = "Error: Could not decode arguments"
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)
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type ErrorResponse struct {
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Error bool `json:"error"`
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ErrorText string `json:"errorText"`
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}
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type RpcSuccessResponse struct {
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ID int `json:"id"`
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JsonRpc string `json:"jsonrpc"`
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Error bool `json:"error"`
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Result interface{} `json:"result"`
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2014-10-21 06:24:48 -05:00
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}
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2015-01-12 23:25:29 -06:00
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type RpcErrorResponse struct {
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ID int `json:"id"`
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JsonRpc string `json:"jsonrpc"`
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Error bool `json:"error"`
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ErrorText string `json:"errortext"`
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}
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type RpcRequest struct {
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JsonRpc string `json:"jsonrpc"`
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ID int `json:"id"`
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Method string `json:"method"`
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Params []json.RawMessage `json:"params"`
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}
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2015-01-29 05:01:51 -06:00
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func NewErrorResponse(msg string) error {
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return errors.New(msg)
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}
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func NewErrorResponseWithError(msg string, err error) error {
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return fmt.Errorf("%s: %v", msg, err)
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}
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2015-01-28 17:24:00 -06:00
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func (req *RpcRequest) ToSha3Args() (*Sha3Args, error) {
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if len(req.Params) < 1 {
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return nil, NewErrorResponse(ErrorArguments)
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}
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args := new(Sha3Args)
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r := bytes.NewReader(req.Params[0])
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if err := json.NewDecoder(r).Decode(args); err != nil {
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return nil, NewErrorResponse(ErrorDecodeArgs)
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}
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rpclogger.DebugDetailf("%T %v", args, args)
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return args, nil
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}
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2015-01-12 23:25:29 -06:00
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func (req *RpcRequest) ToGetBlockArgs() (*GetBlockArgs, error) {
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if len(req.Params) < 1 {
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return nil, NewErrorResponse(ErrorArguments)
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}
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args := new(GetBlockArgs)
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r := bytes.NewReader(req.Params[0])
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err := json.NewDecoder(r).Decode(args)
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if err != nil {
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return nil, NewErrorResponse(ErrorDecodeArgs)
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}
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rpclogger.DebugDetailf("%T %v", args, args)
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return args, nil
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}
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func (req *RpcRequest) ToNewTxArgs() (*NewTxArgs, error) {
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if len(req.Params) < 1 {
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return nil, NewErrorResponse(ErrorArguments)
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}
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args := new(NewTxArgs)
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r := bytes.NewReader(req.Params[0])
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err := json.NewDecoder(r).Decode(args)
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if err != nil {
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return nil, NewErrorResponseWithError(ErrorDecodeArgs, err)
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}
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rpclogger.DebugDetailf("%T %v", args, args)
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return args, nil
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}
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func (req *RpcRequest) ToPushTxArgs() (*PushTxArgs, error) {
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if len(req.Params) < 1 {
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return nil, NewErrorResponse(ErrorArguments)
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}
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args := new(PushTxArgs)
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r := bytes.NewReader(req.Params[0])
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err := json.NewDecoder(r).Decode(args)
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if err != nil {
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return nil, NewErrorResponse(ErrorDecodeArgs)
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}
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rpclogger.DebugDetailf("%T %v", args, args)
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return args, nil
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}
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2015-01-29 13:39:26 -06:00
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func (req *RpcRequest) ToGetStateArgs() (*GetStateArgs, error) {
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if len(req.Params) < 1 {
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return nil, NewErrorResponse(ErrorArguments)
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}
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2015-01-29 13:39:26 -06:00
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args := new(GetStateArgs)
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// TODO need to pass both arguments
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r := bytes.NewReader(req.Params[0])
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err := json.NewDecoder(r).Decode(args)
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if err != nil {
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return nil, NewErrorResponse(ErrorDecodeArgs)
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}
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rpclogger.DebugDetailf("%T %v", args, args)
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return args, nil
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}
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2015-01-29 13:39:26 -06:00
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func (req *RpcRequest) ToStorageAtArgs() (*GetStorageArgs, error) {
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if len(req.Params) < 1 {
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return nil, NewErrorResponse(ErrorArguments)
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}
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args := new(GetStorageArgs)
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r := bytes.NewReader(req.Params[0])
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err := json.NewDecoder(r).Decode(args)
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if err != nil {
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return nil, NewErrorResponse(ErrorDecodeArgs)
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}
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rpclogger.DebugDetailf("%T %v", args, args)
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return args, nil
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}
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2015-01-12 23:25:29 -06:00
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func (req *RpcRequest) ToGetTxCountArgs() (*GetTxCountArgs, error) {
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if len(req.Params) < 1 {
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return nil, NewErrorResponse(ErrorArguments)
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}
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args := new(GetTxCountArgs)
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r := bytes.NewReader(req.Params[0])
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err := json.NewDecoder(r).Decode(args)
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if err != nil {
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return nil, NewErrorResponse(ErrorDecodeArgs)
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}
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rpclogger.DebugDetailf("%T %v", args, args)
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return args, nil
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}
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func (req *RpcRequest) ToGetBalanceArgs() (*GetBalanceArgs, error) {
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if len(req.Params) < 1 {
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return nil, NewErrorResponse(ErrorArguments)
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}
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args := new(GetBalanceArgs)
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r := bytes.NewReader(req.Params[0])
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err := json.NewDecoder(r).Decode(args)
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if err != nil {
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return nil, NewErrorResponse(ErrorDecodeArgs)
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}
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rpclogger.DebugDetailf("%T %v", args, args)
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return args, nil
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}
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2015-01-13 09:27:36 -06:00
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func (req *RpcRequest) ToGetCodeAtArgs() (*GetCodeAtArgs, error) {
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if len(req.Params) < 1 {
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return nil, NewErrorResponse(ErrorArguments)
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}
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args := new(GetCodeAtArgs)
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r := bytes.NewReader(req.Params[0])
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err := json.NewDecoder(r).Decode(args)
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if err != nil {
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return nil, NewErrorResponse(ErrorDecodeArgs)
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}
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rpclogger.DebugDetailf("%T %v", args, args)
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2015-01-13 09:27:36 -06:00
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return args, nil
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}
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2015-01-29 09:52:00 -06:00
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func (req *RpcRequest) ToFilterArgs() (*FilterOptions, error) {
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if len(req.Params) < 1 {
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return nil, NewErrorResponse(ErrorArguments)
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}
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2015-02-04 19:28:54 -06:00
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fmt.Println("FILTER PARAMS", string(req.Params[0]))
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args := new(FilterOptions)
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r := bytes.NewReader(req.Params[0])
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err := json.NewDecoder(r).Decode(args)
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if err != nil {
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return nil, NewErrorResponse(ErrorDecodeArgs)
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}
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rpclogger.DebugDetailf("%T %v", args, args)
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return args, nil
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}
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func (req *RpcRequest) ToFilterChangedArgs() (int, error) {
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if len(req.Params) < 1 {
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return 0, NewErrorResponse(ErrorArguments)
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}
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var id int
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r := bytes.NewReader(req.Params[0])
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err := json.NewDecoder(r).Decode(&id)
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if err != nil {
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return 0, NewErrorResponse(ErrorDecodeArgs)
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}
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rpclogger.DebugDetailf("%T %v", id, id)
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return id, nil
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}
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2015-01-29 13:39:26 -06:00
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func (req *RpcRequest) ToDbPutArgs() (*DbArgs, error) {
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if len(req.Params) < 3 {
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return nil, NewErrorResponse(ErrorArguments)
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}
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var args DbArgs
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err := json.Unmarshal(req.Params[0], &args.Database)
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if err != nil {
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return nil, NewErrorResponseWithError(ErrorDecodeArgs, err)
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}
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err = json.Unmarshal(req.Params[1], &args.Key)
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if err != nil {
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return nil, NewErrorResponseWithError(ErrorDecodeArgs, err)
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}
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err = json.Unmarshal(req.Params[2], &args.Value)
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if err != nil {
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return nil, NewErrorResponseWithError(ErrorDecodeArgs, err)
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}
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rpclogger.DebugDetailf("%T %v", args, args)
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return &args, nil
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}
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func (req *RpcRequest) ToDbGetArgs() (*DbArgs, error) {
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if len(req.Params) < 2 {
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return nil, NewErrorResponse(ErrorArguments)
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}
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var args DbArgs
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err := json.Unmarshal(req.Params[0], &args.Database)
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if err != nil {
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return nil, NewErrorResponseWithError(ErrorDecodeArgs, err)
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}
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err = json.Unmarshal(req.Params[1], &args.Key)
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if err != nil {
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return nil, NewErrorResponseWithError(ErrorDecodeArgs, err)
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}
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rpclogger.DebugDetailf("%T %v", args, args)
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return &args, nil
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}
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2015-01-30 06:25:12 -06:00
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func (req *RpcRequest) ToWhisperFilterArgs() (*xeth.Options, error) {
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if len(req.Params) < 1 {
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return nil, NewErrorResponse(ErrorArguments)
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}
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var args xeth.Options
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err := json.Unmarshal(req.Params[0], &args)
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if err != nil {
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return nil, NewErrorResponseWithError(ErrorDecodeArgs, err)
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}
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rpclogger.DebugDetailf("%T %v", args, args)
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return &args, nil
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}
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2015-01-30 06:47:18 -06:00
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func (req *RpcRequest) ToWhisperIdArgs() (int, error) {
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if len(req.Params) < 1 {
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return 0, NewErrorResponse(ErrorArguments)
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}
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var id int
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err := json.Unmarshal(req.Params[0], &id)
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if err != nil {
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return 0, NewErrorResponse(ErrorDecodeArgs)
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}
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rpclogger.DebugDetailf("%T %v", id, id)
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return id, nil
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}
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func (req *RpcRequest) ToWhisperPostArgs() (*WhisperMessageArgs, error) {
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if len(req.Params) < 1 {
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return nil, NewErrorResponse(ErrorArguments)
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}
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var args WhisperMessageArgs
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err := json.Unmarshal(req.Params[0], &args)
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if err != nil {
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return nil, err
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}
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rpclogger.DebugDetailf("%T %v", args, args)
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return &args, nil
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}
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2015-01-30 06:47:18 -06:00
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func (req *RpcRequest) ToWhisperHasIdentityArgs() (string, error) {
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if len(req.Params) < 1 {
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return "", NewErrorResponse(ErrorArguments)
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}
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var args string
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err := json.Unmarshal(req.Params[0], &args)
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if err != nil {
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return "", err
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}
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rpclogger.DebugDetailf("%T %v", args, args)
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return args, nil
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}
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