115 lines
3.3 KiB
JavaScript
115 lines
3.3 KiB
JavaScript
/* eslint-disable no-console */
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import Web3 from 'web3'
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import { toHex, fromWei } from 'web3-utils'
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import { GasPriceOracle } from 'gas-price-oracle'
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import { serialize } from '@ethersproject/transactions'
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import networkConfig from '@/networkConfig'
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import OvmGasPriceOracleABI from '@/abis/OvmGasPriceOracle.abi.json'
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import { DUMMY_NONCE, DUMMY_WITHDRAW_DATA } from '@/constants/variables'
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export const state = () => {
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return {
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gasParams: { gasPrice: 50 },
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l1Fee: '0'
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}
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}
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export const getters = {
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oracle: (state, getters, rootState, rootGetters) => {
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const netId = Number(rootGetters['metamask/netId'])
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const { gasPrices } = rootGetters['metamask/networkConfig']
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return new GasPriceOracle({
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chainId: netId,
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defaultRpc: rootGetters['settings/currentRpc'].url,
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defaultFallbackGasPrices: gasPrices
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})
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},
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ovmGasPriceOracleContract: (state, getters, rootState) => ({ netId }) => {
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const config = networkConfig[`netId${netId}`]
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const { url } = rootState.settings[`netId${netId}`].rpc
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const address = config.ovmGasPriceOracleContract
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if (address) {
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const web3 = new Web3(url)
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return new web3.eth.Contract(OvmGasPriceOracleABI, address)
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}
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return null
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},
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l1Fee: (state) => {
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return state.l1Fee
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},
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getGasParams: (state) => {
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return state.gasParams
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},
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gasPrice: (state, getters) => {
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const { gasPrice, maxFeePerGas } = getters.getGasParams
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return toHex(maxFeePerGas || gasPrice)
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},
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gasPriceInGwei: (state, getters) => {
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return fromWei(getters.gasPrice, 'gwei')
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}
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}
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export const mutations = {
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SAVE_GAS_PARAMS(state, payload) {
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state.gasParams = payload
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},
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SAVE_L1_FEE(state, l1Fee) {
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state.l1Fee = l1Fee
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}
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}
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export const actions = {
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async fetchGasPrice({ getters, dispatch, commit, rootGetters }) {
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const netId = rootGetters['metamask/netId']
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const { pollInterval } = rootGetters['metamask/networkConfig']
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const isLegacy = netId === 137
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try {
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const txGasParams = await getters.oracle.getTxGasParams({ isLegacy })
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commit('SAVE_GAS_PARAMS', txGasParams)
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await dispatch('fetchL1Fee')
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} catch (e) {
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console.error('fetchGasPrice', e)
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} finally {
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setTimeout(() => dispatch('fetchGasPrice'), 1000 * pollInterval)
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}
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},
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setDefault({ commit, rootGetters }) {
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const { gasPrices } = rootGetters['metamask/networkConfig']
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commit('SAVE_GAS_PARAMS', { gasPrice: gasPrices?.fast })
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},
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async fetchL1Fee({ commit, getters, rootGetters }) {
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const netId = rootGetters['metamask/netId']
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const isOptimismConnected = rootGetters['application/isOptimismConnected']
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const oracleInstance = getters.ovmGasPriceOracleContract({ netId })
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if (isOptimismConnected && oracleInstance) {
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try {
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const gasLimit = rootGetters['application/withdrawGas']
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const tornadoProxyInstance = rootGetters['application/tornadoProxyContract']({ netId })
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const tx = serialize({
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type: 0,
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gasLimit,
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chainId: netId,
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nonce: DUMMY_NONCE,
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data: DUMMY_WITHDRAW_DATA,
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gasPrice: getters.gasPrice,
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to: tornadoProxyInstance._address
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})
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const l1Fee = await oracleInstance.methods.getL1Fee(tx).call()
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commit('SAVE_L1_FEE', l1Fee)
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} catch (err) {
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console.error('fetchL1Fee has error:', err.message)
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}
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}
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}
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}
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