diff options
Diffstat (limited to 'packages/contracts/test/ts/exchange/helpers.ts')
| -rw-r--r-- | packages/contracts/test/ts/exchange/helpers.ts | 284 |
1 files changed, 142 insertions, 142 deletions
diff --git a/packages/contracts/test/ts/exchange/helpers.ts b/packages/contracts/test/ts/exchange/helpers.ts index 5ccc02b80..a39f4d9e2 100644 --- a/packages/contracts/test/ts/exchange/helpers.ts +++ b/packages/contracts/test/ts/exchange/helpers.ts @@ -13,161 +13,161 @@ chaiSetup.configure(); const expect = chai.expect; const { - Exchange, - TokenRegistry, + Exchange, + TokenRegistry, } = new Artifacts(artifacts); contract('Exchange', (accounts: string[]) => { - const maker = accounts[0]; - const feeRecipient = accounts[1] || accounts[accounts.length - 1]; - - let order: Order; - let exchangeWrapper: ExchangeWrapper; - let orderFactory: OrderFactory; - - before(async () => { - const [tokenRegistry, exchange] = await Promise.all([ - TokenRegistry.deployed(), - Exchange.deployed(), - ]); - exchangeWrapper = new ExchangeWrapper(exchange); - const [repAddress, dgdAddress] = await Promise.all([ - tokenRegistry.getTokenAddressBySymbol('REP'), - tokenRegistry.getTokenAddressBySymbol('DGD'), - ]); - const defaultOrderParams = { - exchangeContractAddress: Exchange.address, - maker, - feeRecipient, - makerToken: repAddress, - takerToken: dgdAddress, - 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(defaultOrderParams); - }); - - beforeEach(async () => { - order = await orderFactory.newSignedOrderAsync(); - }); - - describe('getOrderHash', () => { - it('should output the correct orderHash', async () => { - const orderHashHex = await exchangeWrapper.getOrderHashAsync(order); - expect(order.params.orderHashHex).to.be.equal(orderHashHex); + const maker = accounts[0]; + const feeRecipient = accounts[1] || accounts[accounts.length - 1]; + + let order: Order; + let exchangeWrapper: ExchangeWrapper; + let orderFactory: OrderFactory; + + before(async () => { + const [tokenRegistry, exchange] = await Promise.all([ + TokenRegistry.deployed(), + Exchange.deployed(), + ]); + exchangeWrapper = new ExchangeWrapper(exchange); + const [repAddress, dgdAddress] = await Promise.all([ + tokenRegistry.getTokenAddressBySymbol('REP'), + tokenRegistry.getTokenAddressBySymbol('DGD'), + ]); + const defaultOrderParams = { + exchangeContractAddress: Exchange.address, + maker, + feeRecipient, + makerToken: repAddress, + takerToken: dgdAddress, + 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(defaultOrderParams); }); - }); - describe('isValidSignature', () => { beforeEach(async () => { - order = await orderFactory.newSignedOrderAsync(); + order = await orderFactory.newSignedOrderAsync(); }); - it('should return true with a valid signature', async () => { - const success = await exchangeWrapper.isValidSignatureAsync(order); - const isValidSignature = order.isValidSignature(); - expect(isValidSignature).to.be.true(); - expect(success).to.be.true(); + describe('getOrderHash', () => { + it('should output the correct orderHash', async () => { + const orderHashHex = await exchangeWrapper.getOrderHashAsync(order); + expect(order.params.orderHashHex).to.be.equal(orderHashHex); + }); }); - it('should return false with an invalid signature', async () => { - order.params.r = ethUtil.bufferToHex(ethUtil.sha3('invalidR')); - order.params.s = ethUtil.bufferToHex(ethUtil.sha3('invalidS')); - const success = await exchangeWrapper.isValidSignatureAsync(order); - expect(order.isValidSignature()).to.be.false(); - expect(success).to.be.false(); - }); - }); - - describe('isRoundingError', () => { - it('should return false if there is a rounding error of 0.1%', async () => { - const numerator = new BigNumber(20); - const denominator = new BigNumber(999); - const target = new BigNumber(50); - // rounding error = ((20*50/999) - floor(20*50/999)) / (20*50/999) = 0.1% - const isRoundingError = await exchangeWrapper.isRoundingErrorAsync(numerator, denominator, target); - expect(isRoundingError).to.be.false(); - }); - - it('should return false if there is a rounding of 0.09%', async () => { - const numerator = new BigNumber(20); - const denominator = new BigNumber(9991); - const target = new BigNumber(500); - // rounding error = ((20*500/9991) - floor(20*500/9991)) / (20*500/9991) = 0.09% - const isRoundingError = await exchangeWrapper.isRoundingErrorAsync(numerator, denominator, target); - expect(isRoundingError).to.be.false(); - }); - - it('should return true if there is a rounding error of 0.11%', async () => { - const numerator = new BigNumber(20); - const denominator = new BigNumber(9989); - const target = new BigNumber(500); - // rounding error = ((20*500/9989) - floor(20*500/9989)) / (20*500/9989) = 0.011% - const isRoundingError = await exchangeWrapper.isRoundingErrorAsync(numerator, denominator, target); - expect(isRoundingError).to.be.true(); + describe('isValidSignature', () => { + beforeEach(async () => { + order = await orderFactory.newSignedOrderAsync(); + }); + + it('should return true with a valid signature', async () => { + const success = await exchangeWrapper.isValidSignatureAsync(order); + const isValidSignature = order.isValidSignature(); + expect(isValidSignature).to.be.true(); + expect(success).to.be.true(); + }); + + it('should return false with an invalid signature', async () => { + order.params.r = ethUtil.bufferToHex(ethUtil.sha3('invalidR')); + order.params.s = ethUtil.bufferToHex(ethUtil.sha3('invalidS')); + const success = await exchangeWrapper.isValidSignatureAsync(order); + expect(order.isValidSignature()).to.be.false(); + expect(success).to.be.false(); + }); }); - it('should return true if there is a rounding error > 0.1%', async () => { - const numerator = new BigNumber(3); - const denominator = new BigNumber(7); - const target = new BigNumber(10); - // rounding error = ((3*10/7) - floor(3*10/7)) / (3*10/7) = 6.67% - const isRoundingError = await exchangeWrapper.isRoundingErrorAsync(numerator, denominator, target); - expect(isRoundingError).to.be.true(); + describe('isRoundingError', () => { + it('should return false if there is a rounding error of 0.1%', async () => { + const numerator = new BigNumber(20); + const denominator = new BigNumber(999); + const target = new BigNumber(50); + // rounding error = ((20*50/999) - floor(20*50/999)) / (20*50/999) = 0.1% + const isRoundingError = await exchangeWrapper.isRoundingErrorAsync(numerator, denominator, target); + expect(isRoundingError).to.be.false(); + }); + + it('should return false if there is a rounding of 0.09%', async () => { + const numerator = new BigNumber(20); + const denominator = new BigNumber(9991); + const target = new BigNumber(500); + // rounding error = ((20*500/9991) - floor(20*500/9991)) / (20*500/9991) = 0.09% + const isRoundingError = await exchangeWrapper.isRoundingErrorAsync(numerator, denominator, target); + expect(isRoundingError).to.be.false(); + }); + + it('should return true if there is a rounding error of 0.11%', async () => { + const numerator = new BigNumber(20); + const denominator = new BigNumber(9989); + const target = new BigNumber(500); + // rounding error = ((20*500/9989) - floor(20*500/9989)) / (20*500/9989) = 0.011% + const isRoundingError = await exchangeWrapper.isRoundingErrorAsync(numerator, denominator, target); + expect(isRoundingError).to.be.true(); + }); + + it('should return true if there is a rounding error > 0.1%', async () => { + const numerator = new BigNumber(3); + const denominator = new BigNumber(7); + const target = new BigNumber(10); + // rounding error = ((3*10/7) - floor(3*10/7)) / (3*10/7) = 6.67% + const isRoundingError = await exchangeWrapper.isRoundingErrorAsync(numerator, denominator, target); + expect(isRoundingError).to.be.true(); + }); + + it('should return false when there is no rounding error', async () => { + const numerator = new BigNumber(1); + const denominator = new BigNumber(2); + const target = new BigNumber(10); + + const isRoundingError = await exchangeWrapper.isRoundingErrorAsync(numerator, denominator, target); + expect(isRoundingError).to.be.false(); + }); + + it('should return false when there is rounding error <= 0.1%', async () => { + // randomly generated numbers + const numerator = new BigNumber(76564); + const denominator = new BigNumber(676373677); + const target = new BigNumber(105762562); + // rounding error = ((76564*105762562/676373677) - floor(76564*105762562/676373677)) / + // (76564*105762562/676373677) = 0.0007% + const isRoundingError = await exchangeWrapper.isRoundingErrorAsync(numerator, denominator, target); + expect(isRoundingError).to.be.false(); + }); }); - it('should return false when there is no rounding error', async () => { - const numerator = new BigNumber(1); - const denominator = new BigNumber(2); - const target = new BigNumber(10); - - const isRoundingError = await exchangeWrapper.isRoundingErrorAsync(numerator, denominator, target); - expect(isRoundingError).to.be.false(); - }); - - it('should return false when there is rounding error <= 0.1%', async () => { - // randomly generated numbers - const numerator = new BigNumber(76564); - const denominator = new BigNumber(676373677); - const target = new BigNumber(105762562); - // rounding error = ((76564*105762562/676373677) - floor(76564*105762562/676373677)) / - // (76564*105762562/676373677) = 0.0007% - const isRoundingError = await exchangeWrapper.isRoundingErrorAsync(numerator, denominator, target); - expect(isRoundingError).to.be.false(); - }); - }); - - describe('getPartialAmount', () => { - it('should return the numerator/denominator*target', async () => { - const numerator = new BigNumber(1); - const denominator = new BigNumber(2); - const target = new BigNumber(10); - - const partialAmount = await exchangeWrapper.getPartialAmountAsync(numerator, denominator, target); - const expectedPartialAmount = 5; - expect(partialAmount).to.be.bignumber.equal(expectedPartialAmount); - }); - - it('should round down', async () => { - const numerator = new BigNumber(2); - const denominator = new BigNumber(3); - const target = new BigNumber(10); - - const partialAmount = await exchangeWrapper.getPartialAmountAsync(numerator, denominator, target); - const expectedPartialAmount = 6; - expect(partialAmount).to.be.bignumber.equal(expectedPartialAmount); - }); - - it('should round .5 down', async () => { - const numerator = new BigNumber(1); - const denominator = new BigNumber(20); - const target = new BigNumber(10); - - const partialAmount = await exchangeWrapper.getPartialAmountAsync(numerator, denominator, target); - const expectedPartialAmount = 0; - expect(partialAmount).to.be.bignumber.equal(expectedPartialAmount); + describe('getPartialAmount', () => { + it('should return the numerator/denominator*target', async () => { + const numerator = new BigNumber(1); + const denominator = new BigNumber(2); + const target = new BigNumber(10); + + const partialAmount = await exchangeWrapper.getPartialAmountAsync(numerator, denominator, target); + const expectedPartialAmount = 5; + expect(partialAmount).to.be.bignumber.equal(expectedPartialAmount); + }); + + it('should round down', async () => { + const numerator = new BigNumber(2); + const denominator = new BigNumber(3); + const target = new BigNumber(10); + + const partialAmount = await exchangeWrapper.getPartialAmountAsync(numerator, denominator, target); + const expectedPartialAmount = 6; + expect(partialAmount).to.be.bignumber.equal(expectedPartialAmount); + }); + + it('should round .5 down', async () => { + const numerator = new BigNumber(1); + const denominator = new BigNumber(20); + const target = new BigNumber(10); + + const partialAmount = await exchangeWrapper.getPartialAmountAsync(numerator, denominator, target); + const expectedPartialAmount = 0; + expect(partialAmount).to.be.bignumber.equal(expectedPartialAmount); + }); }); - }); }); |