const Web3 = require('web3') const { ERC20_ABI, BRIDGE_VALIDATORS_ABI, FOREIGN_ERC_TO_NATIVE_ABI, BOX_ABI } = require('../commons') const waitUntil = async (predicate, step = 100, timeout = 60000) => { const stopTime = Date.now() + timeout while (Date.now() <= stopTime) { const result = await predicate() if (result) { return result } await new Promise(resolve => setTimeout(resolve, step)) // sleep } throw new Error(`waitUntil timed out after ${timeout} ms`) } const sendEther = async (rpcUrl, account, to) => { const web3 = new Web3(new Web3.providers.HttpProvider(rpcUrl)) web3.eth.accounts.wallet.add(account.privateKey) await web3.eth.sendTransaction({ from: account.address, to, gasPrice: '1', gas: '50000', value: '1000000000000000000' }) } const sendTokens = async (rpcUrl, account, tokenAddress, recipientAddress) => { const web3 = new Web3(new Web3.providers.HttpProvider(rpcUrl)) web3.eth.accounts.wallet.add(account.privateKey) const erc20Token = new web3.eth.Contract(ERC20_ABI, tokenAddress) await erc20Token.methods.transfer(recipientAddress, web3.utils.toWei('0.01')).send({ from: account.address, gas: '1000000' }) } const sendAMBMessage = async (rpcUrl, account, boxAddress, bridgeAddress, boxOtherSideAddress, manualLane = false) => { const web3 = new Web3(new Web3.providers.HttpProvider(rpcUrl)) web3.eth.accounts.wallet.add(account.privateKey) const homeBox = new web3.eth.Contract(BOX_ABI, boxAddress) await homeBox.methods[manualLane ? 'setValueOnOtherNetworkUsingManualLane' : 'setValueOnOtherNetwork']( 3, bridgeAddress, boxOtherSideAddress ).send({ from: account.address, gas: '400000' }) } const addValidator = async (rpcUrl, account, bridgeAddress) => { const web3 = new Web3(new Web3.providers.HttpProvider(rpcUrl)) web3.eth.accounts.wallet.add(account.privateKey) const bridgeContract = new web3.eth.Contract(FOREIGN_ERC_TO_NATIVE_ABI, bridgeAddress) const foreignValidatorsAddress = await bridgeContract.methods.validatorContract().call() const foreignBridgeValidators = new web3.eth.Contract(BRIDGE_VALIDATORS_ABI, foreignValidatorsAddress) await foreignBridgeValidators.methods.addValidator('0xE71FBa5db00172bb0C93d649362B006300000935').send({ from: account.address, gas: '5000000' }) } module.exports = { waitUntil, sendEther, sendTokens, addValidator, sendAMBMessage }