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90 lines
2.1 KiB
90 lines
2.1 KiB
const ObservableStore = require('obs-store')
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const normalizeAddress = require('eth-sig-util').normalize
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const extend = require('xtend')
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class PreferencesController {
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constructor (opts = {}) {
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const initState = extend({
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frequentRpcList: [],
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currentAccountTab: 'history',
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tokens: [],
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}, opts.initState)
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this.store = new ObservableStore(initState)
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}
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// PUBLIC METHODS
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setSelectedAddress (_address) {
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return new Promise((resolve, reject) => {
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const address = normalizeAddress(_address)
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this.store.updateState({ selectedAddress: address })
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resolve()
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})
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}
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getSelectedAddress () {
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return this.store.getState().selectedAddress
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}
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async addToken (rawAddress, symbol, decimals) {
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const address = normalizeAddress(rawAddress)
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const newEntry = { address, symbol, decimals }
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const tokens = this.store.getState().tokens
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const previousEntry = tokens.find((token, index) => {
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return token.address === address
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})
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const previousIndex = tokens.indexOf(previousEntry)
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if (previousEntry) {
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tokens[previousIndex] = newEntry
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} else {
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tokens.push(newEntry)
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}
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this.store.updateState({ tokens })
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}
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getTokens () {
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return this.store.getState().tokens
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}
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updateFrequentRpcList (_url) {
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return this.addToFrequentRpcList(_url)
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.then((rpcList) => {
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this.store.updateState({ frequentRpcList: rpcList })
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return Promise.resolve()
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})
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}
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setCurrentAccountTab (currentAccountTab) {
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return new Promise((resolve, reject) => {
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this.store.updateState({ currentAccountTab })
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resolve()
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})
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}
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addToFrequentRpcList (_url) {
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const rpcList = this.getFrequentRpcList()
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const index = rpcList.findIndex((element) => { return element === _url })
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if (index !== -1) {
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rpcList.splice(index, 1)
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}
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if (_url !== 'http://localhost:8545') {
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rpcList.push(_url)
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}
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if (rpcList.length > 2) {
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rpcList.shift()
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}
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return Promise.resolve(rpcList)
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}
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getFrequentRpcList () {
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return this.store.getState().frequentRpcList
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}
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//
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// PRIVATE METHODS
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//
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}
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module.exports = PreferencesController
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