aboutsummaryrefslogtreecommitdiffstats
path: root/rpc/api/personal.go
blob: 4f347c6109070ce98e0f03fa38b45743f9f9e3ad (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.

package api

import (
    "fmt"
    "time"

    "github.com/ethereum/go-ethereum/common"
    "github.com/ethereum/go-ethereum/eth"
    "github.com/ethereum/go-ethereum/rpc/codec"
    "github.com/ethereum/go-ethereum/rpc/shared"
    "github.com/ethereum/go-ethereum/xeth"
)

const (
    PersonalApiVersion = "1.0"
)

var (
    // mapping between methods and handlers
    personalMapping = map[string]personalhandler{
        "personal_listAccounts":  (*personalApi).ListAccounts,
        "personal_newAccount":    (*personalApi).NewAccount,
        "personal_unlockAccount": (*personalApi).UnlockAccount,
    }
)

// net callback handler
type personalhandler func(*personalApi, *shared.Request) (interface{}, error)

// net api provider
type personalApi struct {
    xeth     *xeth.XEth
    ethereum *eth.Ethereum
    methods  map[string]personalhandler
    codec    codec.ApiCoder
}

// create a new net api instance
func NewPersonalApi(xeth *xeth.XEth, eth *eth.Ethereum, coder codec.Codec) *personalApi {
    return &personalApi{
        xeth:     xeth,
        ethereum: eth,
        methods:  personalMapping,
        codec:    coder.New(nil),
    }
}

// collection with supported methods
func (self *personalApi) Methods() []string {
    methods := make([]string, len(self.methods))
    i := 0
    for k := range self.methods {
        methods[i] = k
        i++
    }
    return methods
}

// Execute given request
func (self *personalApi) Execute(req *shared.Request) (interface{}, error) {
    if callback, ok := self.methods[req.Method]; ok {
        return callback(self, req)
    }

    return nil, shared.NewNotImplementedError(req.Method)
}

func (self *personalApi) Name() string {
    return shared.PersonalApiName
}

func (self *personalApi) ApiVersion() string {
    return PersonalApiVersion
}

func (self *personalApi) ListAccounts(req *shared.Request) (interface{}, error) {
    return self.xeth.Accounts(), nil
}

func (self *personalApi) NewAccount(req *shared.Request) (interface{}, error) {
    args := new(NewAccountArgs)
    if err := self.codec.Decode(req.Params, &args); err != nil {
        return nil, shared.NewDecodeParamError(err.Error())
    }
    var passwd string
    if args.Passphrase == nil {
        fe := self.xeth.Frontend()
        if fe == nil {
            return false, fmt.Errorf("unable to create account: unable to interact with user")
        }
        var ok bool
        passwd, ok = fe.AskPassword()
        if !ok {
            return false, fmt.Errorf("unable to create account: no password given")
        }
    } else {
        passwd = *args.Passphrase
    }
    am := self.ethereum.AccountManager()
    acc, err := am.NewAccount(passwd)
    return acc.Address.Hex(), err
}

func (self *personalApi) UnlockAccount(req *shared.Request) (interface{}, error) {
    args := new(UnlockAccountArgs)
    if err := self.codec.Decode(req.Params, &args); err != nil {
        return nil, shared.NewDecodeParamError(err.Error())
    }

    if args.Passphrase == nil {
        fe := self.xeth.Frontend()
        if fe == nil {
            return false, fmt.Errorf("No password provided")
        }
        return fe.UnlockAccount(common.HexToAddress(args.Address).Bytes()), nil
    }

    am := self.ethereum.AccountManager()
    addr := common.HexToAddress(args.Address)

    err := am.TimedUnlock(addr, *args.Passphrase, time.Duration(args.Duration)*time.Second)
    return err == nil, err
}