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fill_erc721.js
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fill_erc721.js
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let {
ContractWrappers,
ERC20TokenContract,
OrderStatus,
} = require("@0x/contract-wrappers");
let { providerEngine } = require("./provider_engine");
let {
assetDataUtils,
generatePseudoRandomSalt,
signatureUtils,
} = require("@0x/order-utils");
let { BigNumber } = require("@0x/utils");
//let { NETWORK_CONFIGS } = require("./configs");
let { exchangeDataEncoder } = require("@0x/contracts-exchange");
let {
DECIMALS,
UNLIMITED_ALLOWANCE_IN_BASE_UNITS,
NULL_ADDRESS,
NULL_BYTES,
ZERO,
} = require("./constants");
let { Web3Wrapper } = require("@0x/web3-wrapper");
let utils = require("./utils");
(async () => {
const contractWrappers = new ContractWrappers(providerEngine(), {
chainId: 80001,
contractAddresses: {
erc20Proxy: "0x0b47076aaa5246411458fcf85494f41bbfdb8470",
erc721Proxy: "0xff7ca10af37178bdd056628ef42fd7f799fac77c",
erc1155Proxy: "0x53d791f18155c211ff8b58671d0f7e9b50e596ad",
zrxToken: "0x5af2b282779c7d4ffc69ca4e6e16676747f5c56b",
etherToken: "0x5b5e11e4818cceba3e82ca9b97cd0ab80be75ad3",
exchange: "0x533dc89624dcc012c7323b41f286bd2df478800b",
erc20BridgeProxy: "0x5638a4b19f121adc4436de3f0e845173b33b594c",
forwarder: "0x6dcf02d3a963f22dbf85c4025b86a834fef16c15",
coordinatorRegistry: "0x6f5b9e0456c4849224c7b59dc15f05c48641c4e3",
coordinator: "0x6669d66979f729445826fee33021090599ad7bd2",
multiAssetProxy: "0x14f346789675cea7ac3aefd9a5522649c305331b",
staticCallProxy: "0x4338ef5217239aa2096e83fdba729d782da46790",
devUtils: "0x7a2d89c4cb4b28b9cef9f269d48b3aecf0f549b7",
zrxVault: "0xe01ac7c9eb19c63b063134ed2bb5eb7dcc847be9",
staking: "0x68ec2c09eb634ae0fdbf023c0127c5f4bf3dd92d",
stakingProxy: "0xb0da4ecb2f7cba700e49c1161bd229cd7c75929e"
}
});
const web3Wrapper = new Web3Wrapper(providerEngine());
const [
maker,
taker,
taker2,
taker3,
taker5,
] = await web3Wrapper.getAvailableAddressesAsync();
const erc20contract = "0xDA2aa92c55526541f342437CD1c7F2a525625425".toLowerCase();
const erc721contract = "0x5d9a43c211f444c98883e983774ad04b42eba83b".toLowerCase();
const makerAssetAmount = new BigNumber(1);
const takerAssetAmount = Web3Wrapper.toBaseUnitAmount(
new BigNumber(0.1),
DECIMALS
);
const makerAssetData = await contractWrappers.devUtils
.encodeERC721AssetData(
erc721contract,
new BigNumber("5"),
)
.callAsync();
console.log(makerAssetData);
const takerAssetData = await contractWrappers.devUtils
.encodeERC20AssetData(erc20contract)
.callAsync();
let txHash;
// ERC20
const erc20Token = new ERC20TokenContract(
erc20contract,
providerEngine()
);
let balance = await erc20Token.balanceOf(taker).callAsync();
console.log(balance);
let allowance = await erc20Token
.allowance(taker, contractWrappers.contractAddresses.erc20Proxy)
.callAsync();
console.log(allowance);
const takerTestBApprovalTxHash = await erc20Token
.approve(
contractWrappers.contractAddresses.erc20Proxy,
UNLIMITED_ALLOWANCE_IN_BASE_UNITS
)
.sendTransactionAsync({ from: taker, gas: 8000000 });
console.log(takerTestBApprovalTxHash);
// Set up the Order and fill it
const randomExpiration = utils.getRandomFutureDateInSeconds();
const exchangeAddress = contractWrappers.contractAddresses.exchange;
// Create the order
const order = {
chainId: 80001,
exchangeAddress,
makerAddress: maker,
takerAddress: NULL_ADDRESS,
senderAddress: '0x0000000000000000000000000000000000000000',
feeRecipientAddress: NULL_ADDRESS,
expirationTimeSeconds: parseInt(randomExpiration) + 1000000000,
salt: generatePseudoRandomSalt(),
makerAssetAmount,
takerAssetAmount,
makerAssetData,
takerAssetData,
makerFeeAssetData: NULL_BYTES,
takerFeeAssetData: NULL_BYTES,
makerFee: ZERO,
takerFee: ZERO,
};
const signedOrder = await signatureUtils.ecSignOrderAsync(
providerEngine(),
order,
maker
);
let zrx = {
salt: generatePseudoRandomSalt(),
expirationTimeSeconds: parseInt(randomExpiration) + 1000000000,
gasPrice: 10000000000,
signerAddress: taker,
data: exchangeDataEncoder.encodeOrdersToExchangeData("fillOrder", [
signedOrder,
]),
domain: {
name: "0x Protocol",
version: "3.0.0",
chainId: 80001,
verifyingContract: contractWrappers.contractAddresses.exchange,
},
};
const takerSign = await signatureUtils.ecSignTransactionAsync(
providerEngine(),
zrx,
taker
);
const [
{ orderStatus },
remainingFillableAmount,
isValidSignature,
] = await contractWrappers.devUtils
.getOrderRelevantState(signedOrder, signedOrder.signature)
.callAsync();
if (
orderStatus === OrderStatus.Fillable &&
remainingFillableAmount.isGreaterThan(0) &&
isValidSignature
) {
console.log("Fillable");
} else {
console.log("Not fillable");
}
txHash = await contractWrappers.exchange
.executeTransaction(takerSign, takerSign.signature)
.awaitTransactionSuccessAsync({
from: taker,
gas: 8000000,
gasPrice: 10000000000,
value: utils.calculateProtocolFee([signedOrder]),
});
console.log(txHash);
providerEngine().stop();
})().catch((err) => {
console.log("!!!!!!!!!!!!!!!!!!!", err);
});