aboutsummaryrefslogtreecommitdiffstats
path: root/ui/app/selectors.js
blob: f1ef41f28eaaf7d4846e88f3ee7f07f0f12f6c74 (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
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
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
const abi = require('human-standard-token-abi')
import {
  transactionsSelector,
} from './selectors/transactions'
const {
  multiplyCurrencies,
} = require('./conversion-util')

const selectors = {
  getSelectedAddress,
  getSelectedIdentity,
  getSelectedAccount,
  getSelectedToken,
  getSelectedTokenExchangeRate,
  getSelectedTokenAssetImage,
  getAssetImages,
  getTokenExchangeRate,
  conversionRateSelector,
  transactionsSelector,
  accountsWithSendEtherInfoSelector,
  getCurrentAccountWithSendEtherInfo,
  getGasIsLoading,
  getForceGasMin,
  getAddressBook,
  getSendFrom,
  getCurrentCurrency,
  getNativeCurrency,
  getSendAmount,
  getSelectedTokenToFiatRate,
  getSelectedTokenContract,
  autoAddToBetaUI,
  getShouldUseNewUi,
  getSendMaxModeState,
  getCurrentViewContext,
  getTotalUnapprovedCount,
  preferencesSelector,
  getMetaMaskAccounts,
  getCurrentEthBalance,
  getNetworkIdentifier,
}

module.exports = selectors

function getNetworkIdentifier (state) {
  const { metamask: { provider: { type, nickname, rpcTarget } } } = state

  return nickname || rpcTarget || type
}

function getSelectedAddress (state) {
  const selectedAddress = state.metamask.selectedAddress || Object.keys(getMetaMaskAccounts(state))[0]

  return selectedAddress
}

function getSelectedIdentity (state) {
  const selectedAddress = getSelectedAddress(state)
  const identities = state.metamask.identities

  return identities[selectedAddress]
}

function getMetaMaskAccounts (state) {
  const currentAccounts = state.metamask.accounts
  const cachedBalances = state.metamask.cachedBalances
  const selectedAccounts = {}

  Object.keys(currentAccounts).forEach(accountID => {
    const account = currentAccounts[accountID]
    if (account && account.balance === null || account.balance === undefined) {
      selectedAccounts[accountID] = {
        ...account,
        balance: cachedBalances[accountID],
      }
    } else {
      selectedAccounts[accountID] = account
    }
  })
  return selectedAccounts
}

function getSelectedAccount (state) {
  const accounts = getMetaMaskAccounts(state)
  const selectedAddress = getSelectedAddress(state)

  return accounts[selectedAddress]
}

function getSelectedToken (state) {
  const tokens = state.metamask.tokens || []
  const selectedTokenAddress = state.metamask.selectedTokenAddress
  const selectedToken = tokens.filter(({ address }) => address === selectedTokenAddress)[0]
  const sendToken = state.metamask.send.token

  return selectedToken || sendToken || null
}

function getSelectedTokenExchangeRate (state) {
  const contractExchangeRates = state.metamask.contractExchangeRates
  const selectedToken = getSelectedToken(state) || {}
  const { address } = selectedToken
  return contractExchangeRates[address] || 0
}

function getSelectedTokenAssetImage (state) {
  const assetImages = state.metamask.assetImages || {}
  const selectedToken = getSelectedToken(state) || {}
  const { address } = selectedToken
  return assetImages[address]
}

function getAssetImages (state) {
  const assetImages = state.metamask.assetImages || {}
  return assetImages
}

function getTokenExchangeRate (state, address) {
  const contractExchangeRates = state.metamask.contractExchangeRates
  return contractExchangeRates[address] || 0
}

function conversionRateSelector (state) {
  return state.metamask.conversionRate
}

function getAddressBook (state) {
  return state.metamask.addressBook
}

function accountsWithSendEtherInfoSelector (state) {
  const accounts = getMetaMaskAccounts(state)
  const { identities } = state.metamask

  const accountsWithSendEtherInfo = Object.entries(accounts).map(([key, account]) => {
    return Object.assign({}, account, identities[key])
  })

  return accountsWithSendEtherInfo
}

function getCurrentAccountWithSendEtherInfo (state) {
  const currentAddress = getSelectedAddress(state)
  const accounts = accountsWithSendEtherInfoSelector(state)

  return accounts.find(({ address }) => address === currentAddress)
}

function getCurrentEthBalance (state) {
  return getCurrentAccountWithSendEtherInfo(state).balance
}

function getGasIsLoading (state) {
  return state.appState.gasIsLoading
}

function getForceGasMin (state) {
  return state.metamask.send.forceGasMin
}

function getSendFrom (state) {
  return state.metamask.send.from
}

function getSendAmount (state) {
  return state.metamask.send.amount
}

function getSendMaxModeState (state) {
  return state.metamask.send.maxModeOn
}

function getCurrentCurrency (state) {
  return state.metamask.currentCurrency
}

function getNativeCurrency (state) {
  return state.metamask.nativeCurrency
}

function getSelectedTokenToFiatRate (state) {
  const selectedTokenExchangeRate = getSelectedTokenExchangeRate(state)
  const conversionRate = conversionRateSelector(state)

  const tokenToFiatRate = multiplyCurrencies(
    conversionRate,
    selectedTokenExchangeRate,
    { toNumericBase: 'dec' }
  )

  return tokenToFiatRate
}

function getSelectedTokenContract (state) {
  const selectedToken = getSelectedToken(state)
  return selectedToken
    ? global.eth.contract(abi).at(selectedToken.address)
    : null
}

function autoAddToBetaUI (state) {
  const autoAddTransactionThreshold = 12
  const autoAddAccountsThreshold = 2
  const autoAddTokensThreshold = 1

  const numberOfTransactions = state.metamask.selectedAddressTxList.length
  const numberOfAccounts = Object.keys(getMetaMaskAccounts(state)).length
  const numberOfTokensAdded = state.metamask.tokens.length

  const userPassesThreshold = (numberOfTransactions > autoAddTransactionThreshold) &&
    (numberOfAccounts > autoAddAccountsThreshold) &&
    (numberOfTokensAdded > autoAddTokensThreshold)
  const userIsNotInBeta = !state.metamask.featureFlags.betaUI

  return userIsNotInBeta && userPassesThreshold
}

function getShouldUseNewUi (state) {
  const isAlreadyUsingBetaUi = state.metamask.featureFlags.betaUI
  const isMascara = state.metamask.isMascara
  const isFreshInstall = Object.keys(state.metamask.identities).length === 0
  return isAlreadyUsingBetaUi || isMascara || isFreshInstall
}

function getCurrentViewContext (state) {
  const { currentView = {} } = state.appState
  return currentView.context
}

function getTotalUnapprovedCount ({ metamask }) {
  const {
    unapprovedTxs = {},
    unapprovedMsgCount,
    unapprovedPersonalMsgCount,
    unapprovedTypedMessagesCount,
  } = metamask

  return Object.keys(unapprovedTxs).length + unapprovedMsgCount + unapprovedPersonalMsgCount +
    unapprovedTypedMessagesCount
}

function preferencesSelector ({ metamask }) {
  return metamask.preferences
}