116 lines
5.0 KiB
JavaScript
116 lines
5.0 KiB
JavaScript
require('dotenv').config()
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const BN = require('bignumber.js')
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const Web3 = require('web3')
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const logger = require('./logger')('getBalances')
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const { BRIDGE_MODES } = require('../commons')
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const Web3Utils = Web3.utils
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const { HOME_RPC_URL, FOREIGN_RPC_URL, HOME_BRIDGE_ADDRESS, FOREIGN_BRIDGE_ADDRESS } = process.env
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const homeProvider = new Web3.providers.HttpProvider(HOME_RPC_URL)
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const web3Home = new Web3(homeProvider)
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const foreignProvider = new Web3.providers.HttpProvider(FOREIGN_RPC_URL)
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const web3Foreign = new Web3(foreignProvider)
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const {
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ERC20_ABI,
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ERC677_ABI,
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BLOCK_REWARD_ABI,
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HOME_ERC_TO_ERC_ABI,
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HOME_ERC_TO_NATIVE_ABI,
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FOREIGN_ERC_TO_ERC_ABI,
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FOREIGN_ERC_TO_NATIVE_ABI,
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FOREIGN_NATIVE_TO_ERC_ABI
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} = require('../commons')
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async function main(bridgeMode) {
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if (bridgeMode === BRIDGE_MODES.ERC_TO_ERC) {
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const foreignBridge = new web3Foreign.eth.Contract(FOREIGN_ERC_TO_ERC_ABI, FOREIGN_BRIDGE_ADDRESS)
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const erc20Address = await foreignBridge.methods.erc20token().call()
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const erc20Contract = new web3Foreign.eth.Contract(ERC20_ABI, erc20Address)
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logger.debug('calling erc20Contract.methods.balanceOf')
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const foreignErc20Balance = await erc20Contract.methods.balanceOf(FOREIGN_BRIDGE_ADDRESS).call()
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const homeBridge = new web3Home.eth.Contract(HOME_ERC_TO_ERC_ABI, HOME_BRIDGE_ADDRESS)
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logger.debug('calling homeBridge.methods.erc677token')
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const tokenAddress = await homeBridge.methods.erc677token().call()
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const tokenContract = new web3Home.eth.Contract(ERC677_ABI, tokenAddress)
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logger.debug('calling tokenContract.methods.totalSupply()')
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const totalSupply = await tokenContract.methods.totalSupply().call()
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const foreignBalanceBN = new BN(foreignErc20Balance)
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const foreignTotalSupplyBN = new BN(totalSupply)
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const diff = foreignBalanceBN.minus(foreignTotalSupplyBN).toString(10)
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logger.debug('Done')
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return {
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home: {
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totalSupply: Web3Utils.fromWei(totalSupply)
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},
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foreign: {
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erc20Balance: Web3Utils.fromWei(foreignErc20Balance)
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},
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balanceDiff: Number(Web3Utils.fromWei(diff)),
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lastChecked: Math.floor(Date.now() / 1000)
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}
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} else if (bridgeMode === BRIDGE_MODES.NATIVE_TO_ERC || bridgeMode === BRIDGE_MODES.NATIVE_TO_ERC_V1) {
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logger.debug('calling web3Home.eth.getBalance')
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const foreignBridge = new web3Foreign.eth.Contract(FOREIGN_NATIVE_TO_ERC_ABI, FOREIGN_BRIDGE_ADDRESS)
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const erc20Address = await foreignBridge.methods.erc677token().call()
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const homeBalance = await web3Home.eth.getBalance(HOME_BRIDGE_ADDRESS)
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const tokenContract = new web3Foreign.eth.Contract(ERC20_ABI, erc20Address)
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logger.debug('calling tokenContract.methods.totalSupply()')
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const totalSupply = await tokenContract.methods.totalSupply().call()
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const homeBalanceBN = new BN(homeBalance)
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const foreignTotalSupplyBN = new BN(totalSupply)
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const diff = homeBalanceBN.minus(foreignTotalSupplyBN).toString(10)
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logger.debug('Done')
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return {
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home: {
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balance: Web3Utils.fromWei(homeBalance)
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},
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foreign: {
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totalSupply: Web3Utils.fromWei(totalSupply)
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},
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balanceDiff: Number(Web3Utils.fromWei(diff)),
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lastChecked: Math.floor(Date.now() / 1000)
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}
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} else if (bridgeMode === BRIDGE_MODES.ERC_TO_NATIVE) {
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const foreignBridge = new web3Foreign.eth.Contract(FOREIGN_ERC_TO_NATIVE_ABI, FOREIGN_BRIDGE_ADDRESS)
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const erc20Address = await foreignBridge.methods.erc20token().call()
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const erc20Contract = new web3Foreign.eth.Contract(ERC20_ABI, erc20Address)
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logger.debug('calling erc20Contract.methods.balanceOf')
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const foreignErc20Balance = await erc20Contract.methods.balanceOf(FOREIGN_BRIDGE_ADDRESS).call()
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const homeBridge = new web3Home.eth.Contract(HOME_ERC_TO_NATIVE_ABI, HOME_BRIDGE_ADDRESS)
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logger.debug('calling homeBridge.methods.blockRewardContract')
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const blockRewardAddress = await homeBridge.methods.blockRewardContract().call()
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const blockRewardContract = new web3Home.eth.Contract(BLOCK_REWARD_ABI, blockRewardAddress)
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logger.debug('calling blockReward.methods.mintedTotally')
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const mintedCoins = await blockRewardContract.methods.mintedTotally().call()
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logger.debug('calling homeBridge.methods.totalBurntCoins')
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const burntCoins = await homeBridge.methods.totalBurntCoins().call()
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const mintedCoinsBN = new BN(mintedCoins)
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const burntCoinsBN = new BN(burntCoins)
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const totalSupplyBN = mintedCoinsBN.minus(burntCoinsBN)
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const foreignErc20BalanceBN = new BN(foreignErc20Balance)
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const diff = foreignErc20BalanceBN.minus(totalSupplyBN).toFixed()
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logger.debug('Done')
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return {
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home: {
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totalSupply: Web3Utils.fromWei(totalSupplyBN.toFixed())
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},
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foreign: {
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erc20Balance: Web3Utils.fromWei(foreignErc20Balance)
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},
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balanceDiff: Number(Web3Utils.fromWei(diff)),
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lastChecked: Math.floor(Date.now() / 1000)
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}
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} else {
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throw new Error(`Unrecognized bridge mode: '${bridgeMode}'`)
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}
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}
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module.exports = main
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