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import { artifacts, wrappers } from '@0xproject/contracts';
import { generatePseudoRandomSalt } from '@0xproject/order-utils';
import { BigNumber } from '@0xproject/utils';
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.WETH9.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<BigNumber> {
const erc721 = new wrappers.DummyERC721TokenContract(
artifacts.DummyERC721Token.compilerOutput.abi,
address,
provider,
txDefaults,
);
const tokenId = generatePseudoRandomSalt();
const txHash = await erc721.mint.sendTransactionAsync(tokenOwner, tokenId);
web3Wrapper.awaitTransactionSuccessAsync(txHash);
return tokenId;
},
};
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