import { generatePseudoRandomSalt } from '@0xproject/order-utils'; import { BigNumber } from '@0xproject/utils'; import { artifacts } from '../../src/artifacts'; import { DummyERC721TokenContract } from '../../src/contract_wrappers/generated/dummy_erc721_token'; import { constants } from './constants'; import { provider, txDefaults, web3Wrapper } from './web3_wrapper'; // Those addresses come from migrations. They're deterministic so it's relatively safe to hard-code them here. // Before we were fetching them from the TokenRegistry but now we can't as it's deprecated and removed. const DUMMY_ERC_20_ADRESSES = [ '0x6dfff22588be9b3ef8cf0ad6dc9b84796f9fb45f', '0xcfc18cec799fbd1793b5c43e773c98d4d61cc2db', '0xf22469f31527adc53284441bae1665a7b9214dba', '0x10add991de718a69dec2117cb6aa28098836511b', '0x8d61158a366019ac78db4149d75fff9dda51160d', ]; const DUMMY_ERC_721_ADRESSES = ['0x131855dda0aaff096f6854854c55a4debf61077a']; export const tokenUtils = { getProtocolTokenAddress(): string { return artifacts.ZRXToken.networks[constants.TESTRPC_NETWORK_ID].address; }, getWethTokenAddress(): string { return artifacts.EtherToken.networks[constants.TESTRPC_NETWORK_ID].address; }, getDummyERC20TokenAddresses(): string[] { return DUMMY_ERC_20_ADRESSES; }, getDummyERC721TokenAddresses(): string[] { return DUMMY_ERC_721_ADRESSES; }, async mintDummyERC721Async(address: string, tokenOwner: string): Promise { const erc721 = new DummyERC721TokenContract( artifacts.DummyERC721Token.compilerOutput.abi, address, provider, txDefaults, ); const tokenId = generatePseudoRandomSalt(); const txHash = await erc721.mint.sendTransactionAsync(tokenOwner, tokenId); web3Wrapper.awaitTransactionSuccessAsync(txHash); return tokenId; }, };