import { ContractWrappers } from '@0x/contract-wrappers'; import { assetDataUtils as sharedAssetDataUtils } from '@0x/order-utils'; import * as _ from 'lodash'; export const assetDataUtils = { ...sharedAssetDataUtils, getEtherTokenAssetData(contractWrappers: ContractWrappers): string { const etherTokenAddress = contractWrappers.forwarder.etherTokenAddress; const etherTokenAssetData = sharedAssetDataUtils.encodeERC20AssetData(etherTokenAddress); return etherTokenAssetData; }, };