140 lines
3.8 KiB
Go
140 lines
3.8 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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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/eth"
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"github.com/ethereum/go-ethereum/rpc/codec"
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"github.com/ethereum/go-ethereum/rpc/shared"
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"github.com/ethereum/go-ethereum/xeth"
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)
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const (
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PersonalApiVersion = "1.0"
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)
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var (
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// mapping between methods and handlers
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personalMapping = map[string]personalhandler{
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"personal_listAccounts": (*personalApi).ListAccounts,
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"personal_newAccount": (*personalApi).NewAccount,
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"personal_unlockAccount": (*personalApi).UnlockAccount,
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}
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)
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// net callback handler
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type personalhandler func(*personalApi, *shared.Request) (interface{}, error)
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// net api provider
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type personalApi struct {
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xeth *xeth.XEth
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ethereum *eth.Ethereum
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methods map[string]personalhandler
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codec codec.ApiCoder
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}
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// create a new net api instance
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func NewPersonalApi(xeth *xeth.XEth, eth *eth.Ethereum, coder codec.Codec) *personalApi {
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return &personalApi{
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xeth: xeth,
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ethereum: eth,
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methods: personalMapping,
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codec: coder.New(nil),
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}
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}
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// collection with supported methods
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func (self *personalApi) Methods() []string {
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methods := make([]string, len(self.methods))
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i := 0
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for k := range self.methods {
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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 *personalApi) Execute(req *shared.Request) (interface{}, error) {
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if callback, ok := self.methods[req.Method]; ok {
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return callback(self, req)
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}
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return nil, shared.NewNotImplementedError(req.Method)
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}
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func (self *personalApi) Name() string {
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return shared.PersonalApiName
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}
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func (self *personalApi) ApiVersion() string {
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return PersonalApiVersion
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}
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func (self *personalApi) ListAccounts(req *shared.Request) (interface{}, error) {
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return self.xeth.Accounts(), nil
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}
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func (self *personalApi) NewAccount(req *shared.Request) (interface{}, error) {
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args := new(NewAccountArgs)
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if err := self.codec.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 passwd string
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if args.Passphrase == nil {
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fe := self.xeth.Frontend()
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if fe == nil {
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return false, fmt.Errorf("unable to create account: unable to interact with user")
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}
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var ok bool
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passwd, ok = fe.AskPassword()
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if !ok {
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return false, fmt.Errorf("unable to create account: no password given")
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}
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} else {
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passwd = *args.Passphrase
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}
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am := self.ethereum.AccountManager()
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acc, err := am.NewAccount(passwd)
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return acc.Address.Hex(), err
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}
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func (self *personalApi) UnlockAccount(req *shared.Request) (interface{}, error) {
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args := new(UnlockAccountArgs)
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if err := self.codec.Decode(req.Params, &args); err != nil {
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return nil, shared.NewDecodeParamError(err.Error())
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}
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if args.Passphrase == nil {
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fe := self.xeth.Frontend()
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if fe == nil {
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return false, fmt.Errorf("No password provided")
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}
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return fe.UnlockAccount(common.HexToAddress(args.Address).Bytes()), nil
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}
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am := self.ethereum.AccountManager()
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addr := common.HexToAddress(args.Address)
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err := am.TimedUnlock(addr, *args.Passphrase, time.Duration(args.Duration)*time.Second)
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return err == nil, err
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}
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