334 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			334 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
import {BlockchainLifecycle} from '@0xproject/dev-utils';
 | 
						|
import BigNumber from 'bignumber.js';
 | 
						|
import * as chai from 'chai';
 | 
						|
import * as Sinon from 'sinon';
 | 
						|
import * as Web3 from 'web3';
 | 
						|
 | 
						|
import {ExchangeContractErrs, SignedOrder, Token, ZeroEx, ZeroExError} from '../src';
 | 
						|
import {BlockParamLiteral, TradeSide, TransferType} from '../src/types';
 | 
						|
import {ExchangeTransferSimulator} from '../src/utils/exchange_transfer_simulator';
 | 
						|
import {OrderValidationUtils} from '../src/utils/order_validation_utils';
 | 
						|
 | 
						|
import {chaiSetup} from './utils/chai_setup';
 | 
						|
import {constants} from './utils/constants';
 | 
						|
import {FillScenarios} from './utils/fill_scenarios';
 | 
						|
import {TokenUtils} from './utils/token_utils';
 | 
						|
import {web3Factory} from './utils/web3_factory';
 | 
						|
 | 
						|
chaiSetup.configure();
 | 
						|
const expect = chai.expect;
 | 
						|
const blockchainLifecycle = new BlockchainLifecycle(constants.RPC_URL);
 | 
						|
 | 
						|
describe('OrderValidation', () => {
 | 
						|
    let web3: Web3;
 | 
						|
    let zeroEx: ZeroEx;
 | 
						|
    let userAddresses: string[];
 | 
						|
    let tokens: Token[];
 | 
						|
    let tokenUtils: TokenUtils;
 | 
						|
    let exchangeContractAddress: string;
 | 
						|
    let zrxTokenAddress: string;
 | 
						|
    let fillScenarios: FillScenarios;
 | 
						|
    let makerTokenAddress: string;
 | 
						|
    let takerTokenAddress: string;
 | 
						|
    let coinbase: string;
 | 
						|
    let makerAddress: string;
 | 
						|
    let takerAddress: string;
 | 
						|
    let feeRecipient: string;
 | 
						|
    let orderValidationUtils: OrderValidationUtils;
 | 
						|
    const fillableAmount = new BigNumber(5);
 | 
						|
    const fillTakerAmount = new BigNumber(5);
 | 
						|
    const config = {
 | 
						|
        networkId: constants.TESTRPC_NETWORK_ID,
 | 
						|
    };
 | 
						|
    before(async () => {
 | 
						|
        web3 = web3Factory.create();
 | 
						|
        zeroEx = new ZeroEx(web3.currentProvider, config);
 | 
						|
        exchangeContractAddress = zeroEx.exchange.getContractAddress();
 | 
						|
        userAddresses = await zeroEx.getAvailableAddressesAsync();
 | 
						|
        [coinbase, makerAddress, takerAddress, feeRecipient] = userAddresses;
 | 
						|
        tokens = await zeroEx.tokenRegistry.getTokensAsync();
 | 
						|
        tokenUtils = new TokenUtils(tokens);
 | 
						|
        zrxTokenAddress = tokenUtils.getProtocolTokenOrThrow().address;
 | 
						|
        fillScenarios = new FillScenarios(zeroEx, userAddresses, tokens, zrxTokenAddress, exchangeContractAddress);
 | 
						|
        const [makerToken, takerToken] = tokenUtils.getDummyTokens();
 | 
						|
        makerTokenAddress = makerToken.address;
 | 
						|
        takerTokenAddress = takerToken.address;
 | 
						|
        orderValidationUtils = new OrderValidationUtils(zeroEx.token, zeroEx.exchange);
 | 
						|
    });
 | 
						|
    beforeEach(async () => {
 | 
						|
        await blockchainLifecycle.startAsync();
 | 
						|
    });
 | 
						|
    afterEach(async () => {
 | 
						|
        await blockchainLifecycle.revertAsync();
 | 
						|
    });
 | 
						|
    describe('validateOrderFillableOrThrowAsync', () => {
 | 
						|
        it('should succeed if the order is fillable', async () => {
 | 
						|
            const signedOrder = await fillScenarios.createFillableSignedOrderAsync(
 | 
						|
                makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount,
 | 
						|
            );
 | 
						|
            await zeroEx.exchange.validateOrderFillableOrThrowAsync(
 | 
						|
                signedOrder,
 | 
						|
            );
 | 
						|
        });
 | 
						|
        it('should succeed if the order is asymmetric and fillable', async () => {
 | 
						|
            const makerFillableAmount = fillableAmount;
 | 
						|
            const takerFillableAmount = fillableAmount.minus(4);
 | 
						|
            const signedOrder = await fillScenarios.createAsymmetricFillableSignedOrderAsync(
 | 
						|
                makerTokenAddress, takerTokenAddress, makerAddress, takerAddress,
 | 
						|
                makerFillableAmount, takerFillableAmount,
 | 
						|
            );
 | 
						|
            await zeroEx.exchange.validateOrderFillableOrThrowAsync(
 | 
						|
                signedOrder,
 | 
						|
            );
 | 
						|
        });
 | 
						|
        it('should throw when the order is fully filled or cancelled', async () => {
 | 
						|
            const signedOrder = await fillScenarios.createFillableSignedOrderAsync(
 | 
						|
                makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount,
 | 
						|
            );
 | 
						|
            await zeroEx.exchange.cancelOrderAsync(signedOrder, fillableAmount);
 | 
						|
            return expect(zeroEx.exchange.validateOrderFillableOrThrowAsync(
 | 
						|
                signedOrder,
 | 
						|
            )).to.be.rejectedWith(ExchangeContractErrs.OrderRemainingFillAmountZero);
 | 
						|
        });
 | 
						|
        it('should throw when order is expired', async () => {
 | 
						|
            const expirationInPast = new BigNumber(1496826058); // 7th Jun 2017
 | 
						|
            const signedOrder = await fillScenarios.createFillableSignedOrderAsync(
 | 
						|
                makerTokenAddress, takerTokenAddress, makerAddress, takerAddress,
 | 
						|
                fillableAmount, expirationInPast,
 | 
						|
            );
 | 
						|
            return expect(zeroEx.exchange.validateOrderFillableOrThrowAsync(
 | 
						|
                signedOrder,
 | 
						|
            )).to.be.rejectedWith(ExchangeContractErrs.OrderFillExpired);
 | 
						|
        });
 | 
						|
    });
 | 
						|
    describe('validateFillOrderAndThrowIfInvalidAsync', () => {
 | 
						|
        it('should throw when the fill amount is zero', async () => {
 | 
						|
            const signedOrder = await fillScenarios.createFillableSignedOrderAsync(
 | 
						|
                makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount,
 | 
						|
            );
 | 
						|
            const zeroFillAmount = new BigNumber(0);
 | 
						|
            return expect(zeroEx.exchange.validateFillOrderThrowIfInvalidAsync(
 | 
						|
                signedOrder, zeroFillAmount, takerAddress,
 | 
						|
            )).to.be.rejectedWith(ExchangeContractErrs.OrderFillAmountZero);
 | 
						|
        });
 | 
						|
        it('should throw when the signature is invalid', async () => {
 | 
						|
            const signedOrder = await fillScenarios.createFillableSignedOrderAsync(
 | 
						|
                makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount,
 | 
						|
            );
 | 
						|
            // 27 <--> 28
 | 
						|
            signedOrder.ecSignature.v = (28 - signedOrder.ecSignature.v) + 27;
 | 
						|
            return expect(zeroEx.exchange.validateFillOrderThrowIfInvalidAsync(
 | 
						|
                signedOrder, fillableAmount, takerAddress,
 | 
						|
            )).to.be.rejectedWith(ZeroExError.InvalidSignature);
 | 
						|
        });
 | 
						|
        it('should throw when the order is fully filled or cancelled', async () => {
 | 
						|
            const signedOrder = await fillScenarios.createFillableSignedOrderAsync(
 | 
						|
                makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount,
 | 
						|
            );
 | 
						|
            await zeroEx.exchange.cancelOrderAsync(signedOrder, fillableAmount);
 | 
						|
            return expect(zeroEx.exchange.validateFillOrderThrowIfInvalidAsync(
 | 
						|
                signedOrder, fillableAmount, takerAddress,
 | 
						|
            )).to.be.rejectedWith(ExchangeContractErrs.OrderRemainingFillAmountZero);
 | 
						|
        });
 | 
						|
        it('should throw when sender is not a taker', async () => {
 | 
						|
            const signedOrder = await fillScenarios.createFillableSignedOrderAsync(
 | 
						|
                makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount,
 | 
						|
            );
 | 
						|
            const nonTakerAddress = userAddresses[6];
 | 
						|
            return expect(zeroEx.exchange.validateFillOrderThrowIfInvalidAsync(
 | 
						|
                signedOrder, fillTakerAmount, nonTakerAddress,
 | 
						|
            )).to.be.rejectedWith(ExchangeContractErrs.TransactionSenderIsNotFillOrderTaker);
 | 
						|
        });
 | 
						|
        it('should throw when order is expired', async () => {
 | 
						|
            const expirationInPast = new BigNumber(1496826058); // 7th Jun 2017
 | 
						|
            const signedOrder = await fillScenarios.createFillableSignedOrderAsync(
 | 
						|
                makerTokenAddress, takerTokenAddress, makerAddress, takerAddress,
 | 
						|
                fillableAmount, expirationInPast,
 | 
						|
            );
 | 
						|
            return expect(zeroEx.exchange.validateFillOrderThrowIfInvalidAsync(
 | 
						|
                signedOrder, fillTakerAmount, takerAddress,
 | 
						|
            )).to.be.rejectedWith(ExchangeContractErrs.OrderFillExpired);
 | 
						|
        });
 | 
						|
        it('should throw when there a rounding error would have occurred', async () => {
 | 
						|
            const makerAmount = new BigNumber(3);
 | 
						|
            const takerAmount = new BigNumber(5);
 | 
						|
            const signedOrder = await fillScenarios.createAsymmetricFillableSignedOrderAsync(
 | 
						|
                makerTokenAddress, takerTokenAddress, makerAddress, takerAddress,
 | 
						|
                makerAmount, takerAmount,
 | 
						|
            );
 | 
						|
            const fillTakerAmountThatCausesRoundingError = new BigNumber(3);
 | 
						|
            return expect(zeroEx.exchange.validateFillOrderThrowIfInvalidAsync(
 | 
						|
                signedOrder, fillTakerAmountThatCausesRoundingError, takerAddress,
 | 
						|
            )).to.be.rejectedWith(ExchangeContractErrs.OrderFillRoundingError);
 | 
						|
        });
 | 
						|
    });
 | 
						|
    describe('#validateFillOrKillOrderAndThrowIfInvalidAsync', () => {
 | 
						|
        it('should throw if remaining fillAmount is less then the desired fillAmount', async () => {
 | 
						|
            const signedOrder = await fillScenarios.createFillableSignedOrderAsync(
 | 
						|
                makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount,
 | 
						|
            );
 | 
						|
            const tooLargeFillAmount = new BigNumber(7);
 | 
						|
            const fillAmountDifference = tooLargeFillAmount.minus(fillableAmount);
 | 
						|
            await zeroEx.token.transferAsync(takerTokenAddress, coinbase, takerAddress, fillAmountDifference);
 | 
						|
            await zeroEx.token.setProxyAllowanceAsync(takerTokenAddress, takerAddress, tooLargeFillAmount);
 | 
						|
            await zeroEx.token.transferAsync(makerTokenAddress, coinbase, makerAddress, fillAmountDifference);
 | 
						|
            await zeroEx.token.setProxyAllowanceAsync(makerTokenAddress, makerAddress, tooLargeFillAmount);
 | 
						|
 | 
						|
            return expect(zeroEx.exchange.validateFillOrKillOrderThrowIfInvalidAsync(
 | 
						|
                signedOrder, tooLargeFillAmount, takerAddress,
 | 
						|
            )).to.be.rejectedWith(ExchangeContractErrs.InsufficientRemainingFillAmount);
 | 
						|
        });
 | 
						|
    });
 | 
						|
    describe('validateCancelOrderAndThrowIfInvalidAsync', () => {
 | 
						|
        let signedOrder: SignedOrder;
 | 
						|
        let orderHashHex: string;
 | 
						|
        const cancelAmount = new BigNumber(3);
 | 
						|
        beforeEach(async () => {
 | 
						|
            [coinbase, makerAddress, takerAddress] = userAddresses;
 | 
						|
            const [makerToken, takerToken] = tokenUtils.getDummyTokens();
 | 
						|
            makerTokenAddress = makerToken.address;
 | 
						|
            takerTokenAddress = takerToken.address;
 | 
						|
            signedOrder = await fillScenarios.createFillableSignedOrderAsync(
 | 
						|
                makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount,
 | 
						|
            );
 | 
						|
            orderHashHex = ZeroEx.getOrderHashHex(signedOrder);
 | 
						|
        });
 | 
						|
        it('should throw when cancel amount is zero', async () => {
 | 
						|
            const zeroCancelAmount = new BigNumber(0);
 | 
						|
            return expect(zeroEx.exchange.validateCancelOrderThrowIfInvalidAsync(signedOrder, zeroCancelAmount))
 | 
						|
                .to.be.rejectedWith(ExchangeContractErrs.OrderCancelAmountZero);
 | 
						|
        });
 | 
						|
        it('should throw when order is expired', async () => {
 | 
						|
            const expirationInPast = new BigNumber(1496826058); // 7th Jun 2017
 | 
						|
            const expiredSignedOrder = await fillScenarios.createFillableSignedOrderAsync(
 | 
						|
                makerTokenAddress, takerTokenAddress, makerAddress, takerAddress,
 | 
						|
                fillableAmount, expirationInPast,
 | 
						|
            );
 | 
						|
            orderHashHex = ZeroEx.getOrderHashHex(expiredSignedOrder);
 | 
						|
            return expect(zeroEx.exchange.validateCancelOrderThrowIfInvalidAsync(expiredSignedOrder, cancelAmount))
 | 
						|
                .to.be.rejectedWith(ExchangeContractErrs.OrderCancelExpired);
 | 
						|
        });
 | 
						|
        it('should throw when order is already cancelled or filled', async () => {
 | 
						|
            await zeroEx.exchange.cancelOrderAsync(signedOrder, fillableAmount);
 | 
						|
            return expect(zeroEx.exchange.validateCancelOrderThrowIfInvalidAsync(signedOrder, fillableAmount))
 | 
						|
                .to.be.rejectedWith(ExchangeContractErrs.OrderAlreadyCancelledOrFilled);
 | 
						|
        });
 | 
						|
    });
 | 
						|
    describe('#validateFillOrderBalancesAllowancesThrowIfInvalidAsync', () => {
 | 
						|
        let exchangeTransferSimulator: ExchangeTransferSimulator;
 | 
						|
        let transferFromAsync: Sinon.SinonSpy;
 | 
						|
        const bigNumberMatch = (expected: BigNumber) => {
 | 
						|
            return Sinon.match((value: BigNumber) => value.eq(expected));
 | 
						|
        };
 | 
						|
        beforeEach('create exchangeTransferSimulator', async () => {
 | 
						|
            exchangeTransferSimulator = new ExchangeTransferSimulator(zeroEx.token, BlockParamLiteral.Latest);
 | 
						|
            transferFromAsync = Sinon.spy();
 | 
						|
            exchangeTransferSimulator.transferFromAsync = transferFromAsync as any;
 | 
						|
        });
 | 
						|
        it('should call exchangeTransferSimulator.transferFrom in a correct order', async () => {
 | 
						|
            const makerFee = new BigNumber(2);
 | 
						|
            const takerFee = new BigNumber(2);
 | 
						|
            const signedOrder = await fillScenarios.createFillableSignedOrderWithFeesAsync(
 | 
						|
                makerTokenAddress, takerTokenAddress, makerFee, takerFee,
 | 
						|
                makerAddress, takerAddress, fillableAmount, feeRecipient,
 | 
						|
            );
 | 
						|
            await OrderValidationUtils.validateFillOrderBalancesAllowancesThrowIfInvalidAsync(
 | 
						|
                exchangeTransferSimulator, signedOrder, fillableAmount, takerAddress, zrxTokenAddress,
 | 
						|
            );
 | 
						|
            expect(transferFromAsync.callCount).to.be.equal(4);
 | 
						|
            expect(
 | 
						|
                transferFromAsync.getCall(0).calledWith(
 | 
						|
                    makerTokenAddress, makerAddress, takerAddress, bigNumberMatch(fillableAmount),
 | 
						|
                    TradeSide.Maker, TransferType.Trade,
 | 
						|
                ),
 | 
						|
            ).to.be.true();
 | 
						|
            expect(
 | 
						|
                transferFromAsync.getCall(1).calledWith(
 | 
						|
                    takerTokenAddress, takerAddress, makerAddress, bigNumberMatch(fillableAmount),
 | 
						|
                    TradeSide.Taker, TransferType.Trade,
 | 
						|
                ),
 | 
						|
            ).to.be.true();
 | 
						|
            expect(
 | 
						|
                transferFromAsync.getCall(2).calledWith(
 | 
						|
                    zrxTokenAddress, makerAddress, feeRecipient, bigNumberMatch(makerFee),
 | 
						|
                    TradeSide.Maker, TransferType.Fee,
 | 
						|
                ),
 | 
						|
            ).to.be.true();
 | 
						|
            expect(
 | 
						|
                transferFromAsync.getCall(3).calledWith(
 | 
						|
                    zrxTokenAddress, takerAddress, feeRecipient, bigNumberMatch(takerFee),
 | 
						|
                    TradeSide.Taker, TransferType.Fee,
 | 
						|
                ),
 | 
						|
            ).to.be.true();
 | 
						|
        });
 | 
						|
        it('should call exchangeTransferSimulator.transferFrom with correct values for an open order', async () => {
 | 
						|
            const makerFee = new BigNumber(2);
 | 
						|
            const takerFee = new BigNumber(2);
 | 
						|
            const signedOrder = await fillScenarios.createFillableSignedOrderWithFeesAsync(
 | 
						|
                makerTokenAddress, takerTokenAddress, makerFee, takerFee,
 | 
						|
                makerAddress, ZeroEx.NULL_ADDRESS, fillableAmount, feeRecipient,
 | 
						|
            );
 | 
						|
            await OrderValidationUtils.validateFillOrderBalancesAllowancesThrowIfInvalidAsync(
 | 
						|
                exchangeTransferSimulator, signedOrder, fillableAmount, takerAddress, zrxTokenAddress,
 | 
						|
            );
 | 
						|
            expect(transferFromAsync.callCount).to.be.equal(4);
 | 
						|
            expect(
 | 
						|
                transferFromAsync.getCall(0).calledWith(
 | 
						|
                    makerTokenAddress, makerAddress, takerAddress, bigNumberMatch(fillableAmount),
 | 
						|
                    TradeSide.Maker, TransferType.Trade,
 | 
						|
                ),
 | 
						|
            ).to.be.true();
 | 
						|
            expect(
 | 
						|
                transferFromAsync.getCall(1).calledWith(
 | 
						|
                    takerTokenAddress, takerAddress, makerAddress, bigNumberMatch(fillableAmount),
 | 
						|
                    TradeSide.Taker, TransferType.Trade,
 | 
						|
                ),
 | 
						|
            ).to.be.true();
 | 
						|
            expect(
 | 
						|
                transferFromAsync.getCall(2).calledWith(
 | 
						|
                    zrxTokenAddress, makerAddress, feeRecipient, bigNumberMatch(makerFee),
 | 
						|
                    TradeSide.Maker, TransferType.Fee,
 | 
						|
                ),
 | 
						|
            ).to.be.true();
 | 
						|
            expect(
 | 
						|
                transferFromAsync.getCall(3).calledWith(
 | 
						|
                    zrxTokenAddress, takerAddress, feeRecipient, bigNumberMatch(takerFee),
 | 
						|
                    TradeSide.Taker, TransferType.Fee,
 | 
						|
                ),
 | 
						|
            ).to.be.true();
 | 
						|
        });
 | 
						|
        it('should correctly round the fillMakerTokenAmount', async () => {
 | 
						|
            const makerTokenAmount = new BigNumber(3);
 | 
						|
            const takerTokenAmount = new BigNumber(1);
 | 
						|
            const signedOrder = await fillScenarios.createAsymmetricFillableSignedOrderAsync(
 | 
						|
                makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, makerTokenAmount, takerTokenAmount,
 | 
						|
            );
 | 
						|
            await OrderValidationUtils.validateFillOrderBalancesAllowancesThrowIfInvalidAsync(
 | 
						|
                exchangeTransferSimulator, signedOrder, takerTokenAmount, takerAddress, zrxTokenAddress,
 | 
						|
            );
 | 
						|
            expect(transferFromAsync.callCount).to.be.equal(4);
 | 
						|
            const makerFillAmount = transferFromAsync.getCall(0).args[3];
 | 
						|
            expect(makerFillAmount).to.be.bignumber.equal(makerTokenAmount);
 | 
						|
        });
 | 
						|
        it('should correctly round the makerFeeAmount', async () => {
 | 
						|
            const makerFee = new BigNumber(2);
 | 
						|
            const takerFee = new BigNumber(4);
 | 
						|
            const signedOrder = await fillScenarios.createFillableSignedOrderWithFeesAsync(
 | 
						|
                makerTokenAddress, takerTokenAddress, makerFee, takerFee, makerAddress, takerAddress,
 | 
						|
                fillableAmount, ZeroEx.NULL_ADDRESS,
 | 
						|
            );
 | 
						|
            const fillTakerTokenAmount = fillableAmount.div(2).round(0);
 | 
						|
            await OrderValidationUtils.validateFillOrderBalancesAllowancesThrowIfInvalidAsync(
 | 
						|
                exchangeTransferSimulator, signedOrder, fillTakerTokenAmount, takerAddress, zrxTokenAddress,
 | 
						|
            );
 | 
						|
            const makerPartialFee = makerFee.div(2);
 | 
						|
            const takerPartialFee = takerFee.div(2);
 | 
						|
            expect(transferFromAsync.callCount).to.be.equal(4);
 | 
						|
            const partialMakerFee = transferFromAsync.getCall(2).args[3];
 | 
						|
            expect(partialMakerFee).to.be.bignumber.equal(makerPartialFee);
 | 
						|
            const partialTakerFee = transferFromAsync.getCall(3).args[3];
 | 
						|
            expect(partialTakerFee).to.be.bignumber.equal(takerPartialFee);
 | 
						|
        });
 | 
						|
    });
 | 
						|
});
 |