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
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
const Component = require('react').Component
const h = require('react-hyperscript')
const inherits = require('util').inherits
const extend = require('xtend')
const debounce = require('debounce')
const copyToClipboard = require('copy-to-clipboard')
const ENS = require('ethjs-ens')
const networkMap = require('ethjs-ens/lib/network-map.json')
const ensRE = /.+\.eth$/
const ZERO_ADDRESS = '0x0000000000000000000000000000000000000000'
module.exports = EnsInput
inherits(EnsInput, Component)
function EnsInput () {
Component.call(this)
}
EnsInput.prototype.render = function () {
const props = this.props
const opts = extend(props, {
list: 'addresses',
onChange: () => {
const network = this.props.network
const networkHasEnsSupport = getNetworkEnsSupport(network)
if (!networkHasEnsSupport) return
const recipient = document.querySelector('input[name="address"]').value
if (recipient.match(ensRE) === null) {
return this.setState({
loadingEns: false,
ensResolution: null,
ensFailure: null,
})
}
this.setState({
loadingEns: true,
})
this.checkName()
},
})
return h('div', {
style: { width: '100%' },
}, [
h('input.large-input.send-screen-input', opts),
// The address book functionality.
h('datalist#addresses',
[
// Corresponds to the addresses owned.
Object.keys(props.identities).map((key) => {
const identity = props.identities[key]
return h('option', {
value: identity.address,
label: identity.name,
key: identity.address,
})
}),
// Corresponds to previously sent-to addresses.
props.addressBook.map((identity) => {
return h('option', {
value: identity.address,
label: identity.name,
key: identity.address,
})
}),
]),
this.ensIcon(),
])
}
EnsInput.prototype.componentDidMount = function () {
const network = this.props.network
const networkHasEnsSupport = getNetworkEnsSupport(network)
this.setState({ ensResolution: ZERO_ADDRESS })
if (networkHasEnsSupport) {
const provider = global.ethereumProvider
this.ens = new ENS({ provider, network })
this.checkName = debounce(this.lookupEnsName.bind(this), 200)
}
}
EnsInput.prototype.lookupEnsName = function () {
const recipient = document.querySelector('input[name="address"]').value
const { ensResolution } = this.state
log.info(`ENS attempting to resolve name: ${recipient}`)
this.ens.lookup(recipient.trim())
.then((address) => {
if (address === ZERO_ADDRESS) throw new Error('No address has been set for this name.')
if (address !== ensResolution) {
this.setState({
loadingEns: false,
ensResolution: address,
nickname: recipient.trim(),
hoverText: address + '\nClick to Copy',
ensFailure: false,
})
}
})
.catch((reason) => {
log.error(reason)
return this.setState({
loadingEns: false,
ensResolution: ZERO_ADDRESS,
ensFailure: true,
hoverText: reason.message,
})
})
}
EnsInput.prototype.componentDidUpdate = function (prevProps, prevState) {
const state = this.state || {}
const ensResolution = state.ensResolution
// If an address is sent without a nickname, meaning not from ENS or from
// the user's own accounts, a default of a one-space string is used.
const nickname = state.nickname || ' '
if (prevState && ensResolution && this.props.onChange &&
ensResolution !== prevState.ensResolution) {
this.props.onChange(ensResolution, nickname)
}
}
EnsInput.prototype.ensIcon = function (recipient) {
const { hoverText } = this.state || {}
return h('span.#ensIcon', {
title: hoverText,
style: {
position: 'absolute',
padding: '9px',
transform: 'translatex(-40px)',
},
}, this.ensIconContents(recipient))
}
EnsInput.prototype.ensIconContents = function (recipient) {
const { loadingEns, ensFailure, ensResolution } = this.state || { ensResolution: ZERO_ADDRESS}
if (loadingEns) {
return h('img', {
src: 'images/loading.svg',
style: {
width: '30px',
height: '30px',
transform: 'translateY(-6px)',
},
})
}
if (ensFailure) {
return h('i.fa.fa-warning.fa-lg.warning')
}
if (ensResolution && (ensResolution !== ZERO_ADDRESS)) {
return h('i.fa.fa-check-circle.fa-lg.cursor-pointer', {
style: { color: 'green' },
onClick: (event) => {
event.preventDefault()
event.stopPropagation()
copyToClipboard(ensResolution)
},
})
}
}
function getNetworkEnsSupport (network) {
return Boolean(networkMap[network])
}
|
