import WalletAddressValidator from 'wallet-address-validator'; import ethUtil from 'ethereumjs-util'; export default class Validator { isValidETHAddress = function(address) { if (address && address === '0x0000000000000000000000000000000000000000') return false; if (address) { return ethUtil.isValidAddress(address); } return false; }; isValidBTCAddress = function(address) { return WalletAddressValidator.validate(address, 'BTC'); }; }