mirror of
https://gitlab.com/pulsechaincom/go-pulse.git
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486 lines
13 KiB
Go
486 lines
13 KiB
Go
// Copyright 2015 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser 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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//
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// The go-ethereum library 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 Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package api
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import (
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"fmt"
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"io"
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"math/big"
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"os"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/common/compiler"
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"github.com/ethereum/go-ethereum/common/docserver"
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"github.com/ethereum/go-ethereum/common/natspec"
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"github.com/ethereum/go-ethereum/common/registrar"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/eth"
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"github.com/ethereum/go-ethereum/logger/glog"
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"github.com/ethereum/go-ethereum/rlp"
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"github.com/ethereum/go-ethereum/rpc/codec"
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"github.com/ethereum/go-ethereum/rpc/comms"
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"github.com/ethereum/go-ethereum/rpc/shared"
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"github.com/ethereum/go-ethereum/rpc/useragent"
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"github.com/ethereum/go-ethereum/xeth"
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)
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const (
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AdminApiversion = "1.0"
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importBatchSize = 2500
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)
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var (
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// mapping between methods and handlers
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AdminMapping = map[string]adminhandler{
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"admin_addPeer": (*adminApi).AddPeer,
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"admin_peers": (*adminApi).Peers,
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"admin_nodeInfo": (*adminApi).NodeInfo,
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"admin_exportChain": (*adminApi).ExportChain,
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"admin_importChain": (*adminApi).ImportChain,
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"admin_verbosity": (*adminApi).Verbosity,
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"admin_chainSyncStatus": (*adminApi).ChainSyncStatus,
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"admin_setSolc": (*adminApi).SetSolc,
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"admin_datadir": (*adminApi).DataDir,
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"admin_startRPC": (*adminApi).StartRPC,
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"admin_stopRPC": (*adminApi).StopRPC,
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"admin_setGlobalRegistrar": (*adminApi).SetGlobalRegistrar,
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"admin_setHashReg": (*adminApi).SetHashReg,
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"admin_setUrlHint": (*adminApi).SetUrlHint,
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"admin_saveInfo": (*adminApi).SaveInfo,
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"admin_register": (*adminApi).Register,
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"admin_registerUrl": (*adminApi).RegisterUrl,
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"admin_startNatSpec": (*adminApi).StartNatSpec,
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"admin_stopNatSpec": (*adminApi).StopNatSpec,
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"admin_getContractInfo": (*adminApi).GetContractInfo,
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"admin_httpGet": (*adminApi).HttpGet,
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"admin_sleepBlocks": (*adminApi).SleepBlocks,
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"admin_sleep": (*adminApi).Sleep,
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"admin_enableUserAgent": (*adminApi).EnableUserAgent,
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}
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)
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// admin callback handler
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type adminhandler func(*adminApi, *shared.Request) (interface{}, error)
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// admin api provider
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type adminApi struct {
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xeth *xeth.XEth
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ethereum *eth.Ethereum
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codec codec.Codec
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coder codec.ApiCoder
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ds *docserver.DocServer
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}
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// create a new admin api instance
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func NewAdminApi(xeth *xeth.XEth, ethereum *eth.Ethereum, codec codec.Codec) *adminApi {
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return &adminApi{
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xeth: xeth,
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ethereum: ethereum,
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codec: codec,
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coder: codec.New(nil),
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ds: docserver.New("/"),
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}
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}
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// collection with supported methods
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func (self *adminApi) Methods() []string {
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methods := make([]string, len(AdminMapping))
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i := 0
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for k := range AdminMapping {
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methods[i] = k
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i++
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}
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return methods
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}
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// Execute given request
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func (self *adminApi) Execute(req *shared.Request) (interface{}, error) {
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if callback, ok := AdminMapping[req.Method]; ok {
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return callback(self, req)
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}
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return nil, &shared.NotImplementedError{req.Method}
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}
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func (self *adminApi) Name() string {
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return shared.AdminApiName
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}
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func (self *adminApi) ApiVersion() string {
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return AdminApiversion
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}
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func (self *adminApi) AddPeer(req *shared.Request) (interface{}, error) {
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args := new(AddPeerArgs)
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if err := self.coder.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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err := self.ethereum.AddPeer(args.Url)
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if err == nil {
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return true, nil
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}
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return false, err
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}
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func (self *adminApi) Peers(req *shared.Request) (interface{}, error) {
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return self.ethereum.PeersInfo(), nil
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}
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func (self *adminApi) NodeInfo(req *shared.Request) (interface{}, error) {
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return self.ethereum.NodeInfo(), nil
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}
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func (self *adminApi) DataDir(req *shared.Request) (interface{}, error) {
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return self.ethereum.DataDir, nil
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}
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func hasAllBlocks(chain *core.ChainManager, bs []*types.Block) bool {
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for _, b := range bs {
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if !chain.HasBlock(b.Hash()) {
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return false
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}
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}
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return true
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}
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func (self *adminApi) ImportChain(req *shared.Request) (interface{}, error) {
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args := new(ImportExportChainArgs)
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if err := self.coder.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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fh, err := os.Open(args.Filename)
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if err != nil {
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return false, err
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}
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defer fh.Close()
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stream := rlp.NewStream(fh, 0)
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// Run actual the import.
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blocks := make(types.Blocks, importBatchSize)
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n := 0
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for batch := 0; ; batch++ {
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i := 0
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for ; i < importBatchSize; i++ {
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var b types.Block
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if err := stream.Decode(&b); err == io.EOF {
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break
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} else if err != nil {
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return false, fmt.Errorf("at block %d: %v", n, err)
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}
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blocks[i] = &b
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n++
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}
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if i == 0 {
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break
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}
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// Import the batch.
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if hasAllBlocks(self.ethereum.ChainManager(), blocks[:i]) {
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continue
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}
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if _, err := self.ethereum.ChainManager().InsertChain(blocks[:i]); err != nil {
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return false, fmt.Errorf("invalid block %d: %v", n, err)
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}
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}
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return true, nil
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}
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func (self *adminApi) ExportChain(req *shared.Request) (interface{}, error) {
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args := new(ImportExportChainArgs)
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if err := self.coder.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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fh, err := os.OpenFile(args.Filename, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, os.ModePerm)
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if err != nil {
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return false, err
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}
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defer fh.Close()
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if err := self.ethereum.ChainManager().Export(fh); err != nil {
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return false, err
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}
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return true, nil
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}
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func (self *adminApi) Verbosity(req *shared.Request) (interface{}, error) {
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args := new(VerbosityArgs)
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if err := self.coder.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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glog.SetV(args.Level)
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return true, nil
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}
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func (self *adminApi) ChainSyncStatus(req *shared.Request) (interface{}, error) {
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pending, cached, importing, estimate := self.ethereum.Downloader().Stats()
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return map[string]interface{}{
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"blocksAvailable": pending,
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"blocksWaitingForImport": cached,
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"importing": importing,
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"estimate": estimate.String(),
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}, nil
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}
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func (self *adminApi) SetSolc(req *shared.Request) (interface{}, error) {
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args := new(SetSolcArgs)
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if err := self.coder.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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solc, err := self.xeth.SetSolc(args.Path)
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if err != nil {
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return nil, err
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}
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return solc.Info(), nil
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}
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func (self *adminApi) StartRPC(req *shared.Request) (interface{}, error) {
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args := new(StartRPCArgs)
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if err := self.coder.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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cfg := comms.HttpConfig{
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ListenAddress: args.ListenAddress,
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ListenPort: args.ListenPort,
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CorsDomain: args.CorsDomain,
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}
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apis, err := ParseApiString(args.Apis, self.codec, self.xeth, self.ethereum)
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if err != nil {
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return false, err
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}
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err = comms.StartHttp(cfg, self.codec, Merge(apis...))
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if err == nil {
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return true, nil
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}
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return false, err
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}
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func (self *adminApi) StopRPC(req *shared.Request) (interface{}, error) {
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comms.StopHttp()
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return true, nil
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}
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func (self *adminApi) SleepBlocks(req *shared.Request) (interface{}, error) {
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args := new(SleepBlocksArgs)
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if err := self.coder.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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var timer <-chan time.Time
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var height *big.Int
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var err error
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if args.Timeout > 0 {
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timer = time.NewTimer(time.Duration(args.Timeout) * time.Second).C
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}
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height = new(big.Int).Add(self.xeth.CurrentBlock().Number(), big.NewInt(args.N))
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height, err = sleepBlocks(self.xeth.UpdateState(), height, timer)
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if err != nil {
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return nil, err
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}
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return height.Uint64(), nil
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}
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func sleepBlocks(wait chan *big.Int, height *big.Int, timer <-chan time.Time) (newHeight *big.Int, err error) {
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wait <- height
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select {
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case <-timer:
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// if times out make sure the xeth loop does not block
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go func() {
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select {
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case wait <- nil:
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case <-wait:
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}
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}()
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return nil, fmt.Errorf("timeout")
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case newHeight = <-wait:
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}
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return
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}
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func (self *adminApi) Sleep(req *shared.Request) (interface{}, error) {
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args := new(SleepArgs)
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if err := self.coder.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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time.Sleep(time.Duration(args.S) * time.Second)
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return nil, nil
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}
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func (self *adminApi) SetGlobalRegistrar(req *shared.Request) (interface{}, error) {
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args := new(SetGlobalRegistrarArgs)
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if err := self.coder.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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sender := common.HexToAddress(args.ContractAddress)
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reg := registrar.New(self.xeth)
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txhash, err := reg.SetGlobalRegistrar(args.NameReg, sender)
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if err != nil {
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return false, err
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}
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return txhash, nil
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}
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func (self *adminApi) SetHashReg(req *shared.Request) (interface{}, error) {
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args := new(SetHashRegArgs)
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if err := self.coder.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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reg := registrar.New(self.xeth)
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sender := common.HexToAddress(args.Sender)
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txhash, err := reg.SetHashReg(args.HashReg, sender)
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if err != nil {
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return false, err
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}
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return txhash, nil
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}
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func (self *adminApi) SetUrlHint(req *shared.Request) (interface{}, error) {
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args := new(SetUrlHintArgs)
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if err := self.coder.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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urlHint := args.UrlHint
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sender := common.HexToAddress(args.Sender)
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reg := registrar.New(self.xeth)
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txhash, err := reg.SetUrlHint(urlHint, sender)
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if err != nil {
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return nil, err
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}
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return txhash, nil
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}
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func (self *adminApi) SaveInfo(req *shared.Request) (interface{}, error) {
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args := new(SaveInfoArgs)
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if err := self.coder.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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contenthash, err := compiler.SaveInfo(&args.ContractInfo, args.Filename)
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if err != nil {
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return nil, err
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}
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return contenthash.Hex(), nil
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}
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func (self *adminApi) Register(req *shared.Request) (interface{}, error) {
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args := new(RegisterArgs)
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if err := self.coder.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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sender := common.HexToAddress(args.Sender)
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// sender and contract address are passed as hex strings
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codeb := self.xeth.CodeAtBytes(args.Address)
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codeHash := common.BytesToHash(crypto.Sha3(codeb))
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contentHash := common.HexToHash(args.ContentHashHex)
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registry := registrar.New(self.xeth)
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_, err := registry.SetHashToHash(sender, codeHash, contentHash)
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if err != nil {
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return false, err
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}
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return true, nil
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}
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func (self *adminApi) RegisterUrl(req *shared.Request) (interface{}, error) {
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args := new(RegisterUrlArgs)
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if err := self.coder.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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sender := common.HexToAddress(args.Sender)
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registry := registrar.New(self.xeth)
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_, err := registry.SetUrlToHash(sender, common.HexToHash(args.ContentHash), args.Url)
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if err != nil {
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return false, err
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}
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return true, nil
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}
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func (self *adminApi) StartNatSpec(req *shared.Request) (interface{}, error) {
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self.ethereum.NatSpec = true
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return true, nil
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}
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func (self *adminApi) StopNatSpec(req *shared.Request) (interface{}, error) {
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self.ethereum.NatSpec = false
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return true, nil
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}
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func (self *adminApi) GetContractInfo(req *shared.Request) (interface{}, error) {
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args := new(GetContractInfoArgs)
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if err := self.coder.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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infoDoc, err := natspec.FetchDocsForContract(args.Contract, self.xeth, self.ds)
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if err != nil {
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return nil, err
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}
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var info interface{}
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err = self.coder.Decode(infoDoc, &info)
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if err != nil {
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return nil, err
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}
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return info, nil
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}
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func (self *adminApi) HttpGet(req *shared.Request) (interface{}, error) {
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args := new(HttpGetArgs)
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if err := self.coder.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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resp, err := self.ds.Get(args.Uri, args.Path)
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if err != nil {
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return nil, err
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}
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return string(resp), nil
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}
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func (self *adminApi) EnableUserAgent(req *shared.Request) (interface{}, error) {
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if fe, ok := self.xeth.Frontend().(*useragent.RemoteFrontend); ok {
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fe.Enable()
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}
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return true, nil
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}
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