before(async () => {
const accounts = await web3Wrapper.getAvailableAddressesAsync();
[maker, feeRecipient] = accounts;
const tokenRegistry = await deployer.deployAsync(ContractName.TokenRegistry);
const tokenTransferProxy = await deployer.deployAsync(ContractName.TokenTransferProxy);
const [rep, dgd, zrx] = await Promise.all([
deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS),
deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS),
deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS),
]);
const exchangeInstance = await deployer.deployAsync(ContractName.Exchange, [
zrx.address,
tokenTransferProxy.address,
]);
const exchange = new ExchangeContract(web3Wrapper, exchangeInstance.abi, exchangeInstance.address);
await tokenTransferProxy.addAuthorizedAddress(exchange.address, { from: accounts[0] });
const zeroEx = new ZeroEx(web3.currentProvider, { networkId: constants.TESTRPC_NETWORK_ID });
exchangeWrapper = new ExchangeWrapper(exchange, zeroEx);
const defaultOrderParams = {
exchangeContractAddress: exchange.address,
maker,
feeRecipient,
makerTokenAddress: rep.address,
takerTokenAddress: dgd.address,
makerTokenAmount: ZeroEx.toBaseUnitAmount(new BigNumber(100), 18),
takerTokenAmount: ZeroEx.toBaseUnitAmount(new BigNumber(200), 18),
makerFee: ZeroEx.toBaseUnitAmount(new BigNumber(1), 18),
takerFee: ZeroEx.toBaseUnitAmount(new BigNumber(1), 18),
};
orderFactory = new OrderFactory(zeroEx, defaultOrderParams);
signedOrder = await orderFactory.newSignedOrderAsync();
});
it('should return true with a valid signature', async () => {
const success = await exchangeWrapper.isValidSignatureAsync(signedOrder);
const orderHashHex = ZeroEx.getOrderHashHex(signedOrder);
const isValidSignature = ZeroEx.isValidSignature(orderHashHex, signedOrder.ecSignature, signedOrder.maker);
expect(isValidSignature).to.be.true();
expect(success).to.be.true();
});
it('should set confirmation time with enough confirmations', async () => {
const destination = multiSig.address;
const from = owners[0];
const dataParams = {
name: 'changeTimeLock',
abi: MULTI_SIG_ABI,
args: [SECONDS_TIME_LOCKED.toNumber()],
};
let txHash = await multiSigWrapper.submitTransactionAsync(destination, from, dataParams);
const subRes = await zeroEx.awaitTransactionMinedAsync(txHash);
const log = abiDecoder.tryToDecodeLogOrNoop(subRes.logs[0]) as LogWithDecodedArgs<
SubmissionContractEventArgs
>;
txId = log.args.transactionId;
txHash = await multiSig.confirmTransaction.sendTransactionAsync(txId, { from: owners[1] });
const res = await zeroEx.awaitTransactionMinedAsync(txHash);
expect(res.logs).to.have.length(2);
const blockNum = await web3Wrapper.getBlockNumberAsync();
const blockInfo = await web3Wrapper.getBlockAsync(blockNum);
const timestamp = new BigNumber(blockInfo.timestamp);
const confirmationTimeBigNum = new BigNumber(await multiSig.confirmationTimes.callAsync(txId));
expect(timestamp).to.be.bignumber.equal(confirmationTimeBigNum);
});
it('should create an unfillable order', async () => {
signedOrder = await orderFactory.newSignedOrderAsync({
makerTokenAmount: new BigNumber(1001),
takerTokenAmount: new BigNumber(3),
});
const filledTakerTokenAmountBefore = await zeroEx.exchange.getFilledTakerAmountAsync(
ZeroEx.getOrderHashHex(signedOrder),
);
expect(filledTakerTokenAmountBefore).to.be.bignumber.equal(0);
const fillTakerTokenAmount1 = new BigNumber(2);
await exWrapper.fillOrderAsync(signedOrder, taker, {
fillTakerTokenAmount: fillTakerTokenAmount1,
});
const filledTakerTokenAmountAfter1 = await zeroEx.exchange.getFilledTakerAmountAsync(
ZeroEx.getOrderHashHex(signedOrder),
);
expect(filledTakerTokenAmountAfter1).to.be.bignumber.equal(fillTakerTokenAmount1);
const fillTakerTokenAmount2 = new BigNumber(1);
await exWrapper.fillOrderAsync(signedOrder, taker, {
fillTakerTokenAmount: fillTakerTokenAmount2,
});
const filledTakerTokenAmountAfter2 = await zeroEx.exchange.getFilledTakerAmountAsync(
ZeroEx.getOrderHashHex(signedOrder),
);
expect(filledTakerTokenAmountAfter2).to.be.bignumber.equal(filledTakerTokenAmountAfter1);
});
return async () => {
logUtils.log(`Processing ${tokenSymbol} ${recipientAddress}`);
const amountToDispense = new BigNumber(DISPENSE_AMOUNT_TOKEN);
const token = await zeroEx.tokenRegistry.getTokenBySymbolIfExistsAsync(tokenSymbol);
if (_.isUndefined(token)) {
throw new Error(`Unsupported asset type: ${tokenSymbol}`);
}
const baseUnitAmount = ZeroEx.toBaseUnitAmount(amountToDispense, token.decimals);
const userBalanceBaseUnits = await zeroEx.token.getBalanceAsync(token.address, recipientAddress);
const maxAmountBaseUnits = ZeroEx.toBaseUnitAmount(
new BigNumber(DISPENSE_MAX_AMOUNT_TOKEN),
token.decimals,
);
if (userBalanceBaseUnits.greaterThanOrEqualTo(maxAmountBaseUnits)) {
logUtils.log(
`User exceeded token balance maximum (${maxAmountBaseUnits}) ${recipientAddress} ${userBalanceBaseUnits} `,
);
return;
}
const txHash = await zeroEx.token.transferAsync(
token.address,
configs.DISPENSER_ADDRESS,
recipientAddress,
baseUnitAmount,
);
logUtils.log(`Sent ${amountToDispense} ZRX to ${recipientAddress} tx: ${txHash}`);
};
before('deploy a walet', async () => {
const multiSigInstance = await deployer.deployAsync(ContractName.MultiSigWalletWithTimeLock, [
owners,
SIGNATURES_REQUIRED,
SECONDS_TIME_LOCKED,
]);
multiSig = new MultiSigWalletWithTimeLockContract(
web3Wrapper,
multiSigInstance.abi,
multiSigInstance.address,
);
multiSigWrapper = new MultiSigWrapper((multiSig as any) as MultiSigWalletContract);
const secondsTimeLocked = await multiSig.secondsTimeLocked.callAsync();
initialSecondsTimeLocked = secondsTimeLocked.toNumber();
const destination = multiSig.address;
const from = owners[0];
const dataParams = {
name: 'changeTimeLock',
abi: MULTI_SIG_ABI,
args: [newSecondsTimeLocked],
};
let txHash = await multiSigWrapper.submitTransactionAsync(destination, from, dataParams);
const subRes = await zeroEx.awaitTransactionMinedAsync(txHash);
const log = abiDecoder.tryToDecodeLogOrNoop(subRes.logs[0]) as LogWithDecodedArgs<
SubmissionContractEventArgs
>;
txId = log.args.transactionId;
txHash = await multiSig.confirmTransaction.sendTransactionAsync(txId, {
from: owners[1],
});
const confRes = await zeroEx.awaitTransactionMinedAsync(txHash);
expect(confRes.logs).to.have.length(2);
});
it('should be executable with enough confirmations and secondsTimeLocked of 0', async () => {
const destination = multiSig.address;
const from = owners[0];
const dataParams = {
name: 'changeTimeLock',
abi: MULTI_SIG_ABI,
args: [SECONDS_TIME_LOCKED.toNumber()],
};
let txHash = await multiSigWrapper.submitTransactionAsync(destination, from, dataParams);
const subRes = await zeroEx.awaitTransactionMinedAsync(txHash);
const log = abiDecoder.tryToDecodeLogOrNoop(subRes.logs[0]) as LogWithDecodedArgs<
SubmissionContractEventArgs
>;
txId = log.args.transactionId;
txHash = await multiSig.confirmTransaction.sendTransactionAsync(txId, { from: owners[1] });
expect(initialSecondsTimeLocked).to.be.equal(0);
txHash = await multiSig.executeTransaction.sendTransactionAsync(txId, { from: owners[0] });
const res = await zeroEx.awaitTransactionMinedAsync(txHash);
expect(res.logs).to.have.length(2);
const secondsTimeLocked = new BigNumber(await multiSig.secondsTimeLocked.callAsync());
expect(secondsTimeLocked).to.be.bignumber.equal(SECONDS_TIME_LOCKED);
});
it('should return false with an invalid signature', async () => {
signedOrder.ecSignature.r = ethUtil.bufferToHex(ethUtil.sha3('invalidR'));
signedOrder.ecSignature.s = ethUtil.bufferToHex(ethUtil.sha3('invalidS'));
const success = await exchangeWrapper.isValidSignatureAsync(signedOrder);
const orderHashHex = ZeroEx.getOrderHashHex(signedOrder);
const isValidSignature = ZeroEx.isValidSignature(orderHashHex, signedOrder.ecSignature, signedOrder.maker);
expect(isValidSignature).to.be.false();
expect(success).to.be.false();
});
it('should throw when taker is specified and order is claimed by other', async () => {
signedOrder = await orderFactory.newSignedOrderAsync({
taker: feeRecipient,
makerTokenAmount: ZeroEx.toBaseUnitAmount(new BigNumber(100), 18),
takerTokenAmount: ZeroEx.toBaseUnitAmount(new BigNumber(200), 18),
});
return expect(exWrapper.fillOrderAsync(signedOrder, taker)).to.be.rejectedWith(constants.REVERT);
});
public async providerTypeUpdatedFireAndForgetAsync(providerType: ProviderType) {
utils.assert(!_.isUndefined(this.zeroEx), 'ZeroEx must be instantiated.');
// Should actually be Web3.Provider|ProviderEngine union type but it causes issues
// later on in the logic.
let provider;
switch (providerType) {
case ProviderType.LEDGER: {
const isU2FSupported = await utils.isU2FSupportedAsync();
if (!isU2FSupported) {
throw new Error('Cannot update providerType to LEDGER without U2F support');
}
// Cache injected provider so that we can switch the user back to it easily
this.cachedProvider = this.web3Wrapper.getProviderObj();
this.dispatcher.updateUserAddress(''); // Clear old userAddress
provider = new ProviderEngine();
this.ledgerSubProvider = ledgerWalletSubproviderFactory(this.getBlockchainNetworkId.bind(this));
provider.addProvider(this.ledgerSubProvider);
provider.addProvider(new FilterSubprovider());
const networkId = configs.isMainnetEnabled ?
constants.MAINNET_NETWORK_ID :
constants.TESTNET_NETWORK_ID;
provider.addProvider(new RedundantRPCSubprovider(
constants.PUBLIC_NODE_URLS_BY_NETWORK_ID[networkId],
));
provider.start();
this.web3Wrapper.destroy();
const shouldPollUserAddress = false;
this.web3Wrapper = new Web3Wrapper(this.dispatcher, provider, this.networkId, shouldPollUserAddress);
await this.zeroEx.setProviderAsync(provider);
await this.postInstantiationOrUpdatingProviderZeroExAsync();
break;
}
case ProviderType.INJECTED: {
if (_.isUndefined(this.cachedProvider)) {
return; // Going from injected to injected, so we noop
}
provider = this.cachedProvider;
const shouldPollUserAddress = true;
this.web3Wrapper = new Web3Wrapper(this.dispatcher, provider, this.networkId, shouldPollUserAddress);
await this.zeroEx.setProviderAsync(provider);
await this.postInstantiationOrUpdatingProviderZeroExAsync();
delete this.ledgerSubProvider;
delete this.cachedProvider;
break;
}
default:
throw utils.spawnSwitchErr('providerType', providerType);
}
await this.fetchTokenInformationAsync();
}
