115 lines
3.4 KiB
JavaScript
115 lines
3.4 KiB
JavaScript
/* eslint-disable no-console */
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import { toBN, toChecksumAddress } from 'web3-utils'
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import networkConfig from '@/networkConfig'
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import offchainOracleABI from '@/abis/OffchainOracle.abi.json'
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const offchainOracleAddress = '0x07D91f5fb9Bf7798734C3f606dB065549F6893bb'
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const TOKENS = {
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torn: {
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tokenAddress: '0x77777FeDdddFfC19Ff86DB637967013e6C6A116C',
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symbol: 'TORN',
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decimals: 18
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}
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}
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export const state = () => {
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return {
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prices: {
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dai: '593970928097706',
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cdai: '12623454013395',
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usdc: '593319851383838',
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usdt: '592852719537467',
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torn: '85362951428474830',
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wbtc: '32269526951862905063'
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}
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}
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}
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export const getters = {
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tokenRate: (state, getters, rootState, rootGetters) => {
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return state.prices[rootState.application.selectedStatistic.currency]
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},
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getArgsForOracle: (state, getters, rootState, rootGetters) => {
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const tokens = {
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...networkConfig.netId1.tokens,
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...TOKENS
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}
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const tokenAddresses = []
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const oneUintAmount = []
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const currencyLookup = {}
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Object.entries(tokens).map(([currency, data]) => {
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if (currency !== 'eth') {
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tokenAddresses.push(data.tokenAddress)
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oneUintAmount.push(
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toBN('10')
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.pow(toBN(data.decimals.toString()))
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.toString()
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)
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currencyLookup[data.tokenAddress] = currency
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}
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})
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return { tokenAddresses, oneUintAmount, currencyLookup }
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},
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getTokenPrice: (state, getters, rootState, rootGetters) => (currency) => {
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return state.prices[currency]
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},
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isPriceWatcherDisabled: (state, getters, rootState, rootGetters) => {
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const nativeCurrency = rootGetters['metamask/nativeCurrency']
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const tokens = Object.keys(rootGetters['metamask/networkConfig'].tokens)
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return tokens.includes(nativeCurrency) && tokens.length === 1
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}
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}
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export const mutations = {
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SAVE_TOKEN_PRICES(state, prices) {
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state.prices = {
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...state.prices,
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...prices
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}
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}
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}
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export const actions = {
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async fetchTokenPrice({ getters, commit, dispatch, rootState }) {
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if (getters.isPriceWatcherDisabled) {
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return
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}
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try {
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const web3 = this.$provider.getWeb3(rootState.settings.netId1.rpc.url)
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const offchainOracle = new web3.eth.Contract(offchainOracleABI, offchainOracleAddress)
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const { tokenAddresses, oneUintAmount, currencyLookup } = getters.getArgsForOracle
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const prices = {}
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for (let i = 0; i < tokenAddresses.length; i++) {
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try {
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const isWrap =
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toChecksumAddress(tokenAddresses[i]) ===
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toChecksumAddress('0x5d3a536E4D6DbD6114cc1Ead35777bAB948E3643')
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const price = await offchainOracle.methods.getRateToEth(tokenAddresses[i], isWrap).call()
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const numerator = toBN(oneUintAmount[i])
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const denominator = toBN(10).pow(toBN(18)) // eth decimals
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const priceFormatted = toBN(price)
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.mul(numerator)
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.div(denominator)
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prices[currencyLookup[tokenAddresses[i]]] = priceFormatted.toString()
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} catch (e) {
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console.error('cant get price of ', tokenAddresses[i])
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}
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}
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console.log('prices', prices)
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commit('SAVE_TOKEN_PRICES', prices)
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setTimeout(() => dispatch('fetchTokenPrice'), 1000 * 30)
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} catch (e) {
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console.error(e)
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setTimeout(() => dispatch('fetchTokenPrice'), 1000 * 30)
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}
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}
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}
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