66 lines
1.4 KiB
JavaScript
66 lines
1.4 KiB
JavaScript
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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}, opts.initState)
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this.store = new ObservableStore(initState)
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}
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//
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// PUBLIC METHODS
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//
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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 (_address) {
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return this.store.getState().selectedAddress
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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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addToFrequentRpcList (_url) {
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let rpcList = this.getFrequentRpcList()
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let 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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