diff options
Diffstat (limited to 'packages/order-watcher')
| -rw-r--r-- | packages/order-watcher/test/remaining_fillable_calculator_test.ts | 235 |
1 files changed, 0 insertions, 235 deletions
diff --git a/packages/order-watcher/test/remaining_fillable_calculator_test.ts b/packages/order-watcher/test/remaining_fillable_calculator_test.ts deleted file mode 100644 index ea116175b..000000000 --- a/packages/order-watcher/test/remaining_fillable_calculator_test.ts +++ /dev/null @@ -1,235 +0,0 @@ -import { ECSignature, SignedOrder } from '@0xproject/types'; -import { BigNumber } from '@0xproject/utils'; -import { Web3Wrapper } from '@0xproject/web3-wrapper'; -import * as chai from 'chai'; -import 'make-promises-safe'; -import 'mocha'; - -import { RemainingFillableCalculator } from '@0xproject/order-utils'; - -import { chaiSetup } from './utils/chai_setup'; - -chaiSetup.configure(); -const expect = chai.expect; - -describe('RemainingFillableCalculator', () => { - let calculator: RemainingFillableCalculator; - let signedOrder: SignedOrder; - let transferrableMakerTokenAmount: BigNumber; - let transferrableMakerFeeTokenAmount: BigNumber; - let remainingMakerTokenAmount: BigNumber; - let makerAmount: BigNumber; - let takerAmount: BigNumber; - let makerFeeAmount: BigNumber; - let isMakerTokenZRX: boolean; - const makerToken: string = '0x1'; - const takerToken: string = '0x2'; - const decimals: number = 4; - const zero: BigNumber = new BigNumber(0); - const zeroAddress = '0x0'; - const signature: ECSignature = { v: 27, r: '', s: '' }; - beforeEach(async () => { - [makerAmount, takerAmount, makerFeeAmount] = [ - Web3Wrapper.toBaseUnitAmount(new BigNumber(50), decimals), - Web3Wrapper.toBaseUnitAmount(new BigNumber(5), decimals), - Web3Wrapper.toBaseUnitAmount(new BigNumber(1), decimals), - ]; - [transferrableMakerTokenAmount, transferrableMakerFeeTokenAmount] = [ - Web3Wrapper.toBaseUnitAmount(new BigNumber(50), decimals), - Web3Wrapper.toBaseUnitAmount(new BigNumber(5), decimals), - ]; - }); - function buildSignedOrder(): SignedOrder { - return { - ecSignature: signature, - exchangeContractAddress: zeroAddress, - feeRecipient: zeroAddress, - maker: zeroAddress, - taker: zeroAddress, - makerFee: makerFeeAmount, - takerFee: zero, - makerTokenAmount: makerAmount, - takerTokenAmount: takerAmount, - makerTokenAddress: makerToken, - takerTokenAddress: takerToken, - salt: zero, - expirationUnixTimestampSec: zero, - }; - } - describe('Maker token is NOT ZRX', () => { - before(async () => { - isMakerTokenZRX = false; - }); - it('calculates the correct amount when unfilled and funds available', () => { - signedOrder = buildSignedOrder(); - remainingMakerTokenAmount = signedOrder.makerTokenAmount; - calculator = new RemainingFillableCalculator( - signedOrder, - isMakerTokenZRX, - transferrableMakerTokenAmount, - transferrableMakerFeeTokenAmount, - remainingMakerTokenAmount, - ); - expect(calculator.computeRemainingMakerFillable()).to.be.bignumber.equal(remainingMakerTokenAmount); - }); - it('calculates the correct amount when partially filled and funds available', () => { - signedOrder = buildSignedOrder(); - remainingMakerTokenAmount = Web3Wrapper.toBaseUnitAmount(new BigNumber(1), decimals); - calculator = new RemainingFillableCalculator( - signedOrder, - isMakerTokenZRX, - transferrableMakerTokenAmount, - transferrableMakerFeeTokenAmount, - remainingMakerTokenAmount, - ); - expect(calculator.computeRemainingMakerFillable()).to.be.bignumber.equal(remainingMakerTokenAmount); - }); - it('calculates the amount to be 0 when all fee funds are transferred', () => { - signedOrder = buildSignedOrder(); - transferrableMakerFeeTokenAmount = zero; - remainingMakerTokenAmount = signedOrder.makerTokenAmount; - calculator = new RemainingFillableCalculator( - signedOrder, - isMakerTokenZRX, - transferrableMakerTokenAmount, - transferrableMakerFeeTokenAmount, - remainingMakerTokenAmount, - ); - expect(calculator.computeRemainingMakerFillable()).to.be.bignumber.equal(zero); - }); - it('calculates the correct amount when balance is less than remaining fillable', () => { - signedOrder = buildSignedOrder(); - const partiallyFilledAmount = Web3Wrapper.toBaseUnitAmount(new BigNumber(2), decimals); - remainingMakerTokenAmount = signedOrder.makerTokenAmount.minus(partiallyFilledAmount); - transferrableMakerTokenAmount = remainingMakerTokenAmount.minus(partiallyFilledAmount); - calculator = new RemainingFillableCalculator( - signedOrder, - isMakerTokenZRX, - transferrableMakerTokenAmount, - transferrableMakerFeeTokenAmount, - remainingMakerTokenAmount, - ); - expect(calculator.computeRemainingMakerFillable()).to.be.bignumber.equal(transferrableMakerTokenAmount); - }); - describe('Order to Fee Ratio is < 1', () => { - beforeEach(async () => { - [makerAmount, takerAmount, makerFeeAmount] = [ - Web3Wrapper.toBaseUnitAmount(new BigNumber(3), decimals), - Web3Wrapper.toBaseUnitAmount(new BigNumber(6), decimals), - Web3Wrapper.toBaseUnitAmount(new BigNumber(6), decimals), - ]; - }); - it('calculates the correct amount when funds unavailable', () => { - signedOrder = buildSignedOrder(); - remainingMakerTokenAmount = signedOrder.makerTokenAmount; - const transferredAmount = Web3Wrapper.toBaseUnitAmount(new BigNumber(2), decimals); - transferrableMakerTokenAmount = remainingMakerTokenAmount.minus(transferredAmount); - calculator = new RemainingFillableCalculator( - signedOrder, - isMakerTokenZRX, - transferrableMakerTokenAmount, - transferrableMakerFeeTokenAmount, - remainingMakerTokenAmount, - ); - expect(calculator.computeRemainingMakerFillable()).to.be.bignumber.equal(transferrableMakerTokenAmount); - }); - }); - describe('Ratio is not evenly divisble', () => { - beforeEach(async () => { - [makerAmount, takerAmount, makerFeeAmount] = [ - Web3Wrapper.toBaseUnitAmount(new BigNumber(3), decimals), - Web3Wrapper.toBaseUnitAmount(new BigNumber(7), decimals), - Web3Wrapper.toBaseUnitAmount(new BigNumber(7), decimals), - ]; - }); - it('calculates the correct amount when funds unavailable', () => { - signedOrder = buildSignedOrder(); - remainingMakerTokenAmount = signedOrder.makerTokenAmount; - const transferredAmount = Web3Wrapper.toBaseUnitAmount(new BigNumber(2), decimals); - transferrableMakerTokenAmount = remainingMakerTokenAmount.minus(transferredAmount); - calculator = new RemainingFillableCalculator( - signedOrder, - isMakerTokenZRX, - transferrableMakerTokenAmount, - transferrableMakerFeeTokenAmount, - remainingMakerTokenAmount, - ); - const calculatedFillableAmount = calculator.computeRemainingMakerFillable(); - expect(calculatedFillableAmount.lessThanOrEqualTo(transferrableMakerTokenAmount)).to.be.true(); - expect(calculatedFillableAmount).to.be.bignumber.greaterThan(new BigNumber(0)); - const orderToFeeRatio = signedOrder.makerTokenAmount.dividedBy(signedOrder.makerFee); - const calculatedFeeAmount = calculatedFillableAmount.dividedBy(orderToFeeRatio); - expect(calculatedFeeAmount).to.be.bignumber.lessThan(transferrableMakerFeeTokenAmount); - }); - }); - }); - describe('Maker Token is ZRX', () => { - before(async () => { - isMakerTokenZRX = true; - }); - it('calculates the correct amount when unfilled and funds available', () => { - signedOrder = buildSignedOrder(); - transferrableMakerTokenAmount = makerAmount.plus(makerFeeAmount); - transferrableMakerFeeTokenAmount = transferrableMakerTokenAmount; - remainingMakerTokenAmount = signedOrder.makerTokenAmount; - calculator = new RemainingFillableCalculator( - signedOrder, - isMakerTokenZRX, - transferrableMakerTokenAmount, - transferrableMakerFeeTokenAmount, - remainingMakerTokenAmount, - ); - expect(calculator.computeRemainingMakerFillable()).to.be.bignumber.equal(remainingMakerTokenAmount); - }); - it('calculates the correct amount when partially filled and funds available', () => { - signedOrder = buildSignedOrder(); - remainingMakerTokenAmount = Web3Wrapper.toBaseUnitAmount(new BigNumber(1), decimals); - calculator = new RemainingFillableCalculator( - signedOrder, - isMakerTokenZRX, - transferrableMakerTokenAmount, - transferrableMakerFeeTokenAmount, - remainingMakerTokenAmount, - ); - expect(calculator.computeRemainingMakerFillable()).to.be.bignumber.equal(remainingMakerTokenAmount); - }); - it('calculates the amount to be 0 when all fee funds are transferred', () => { - signedOrder = buildSignedOrder(); - transferrableMakerTokenAmount = zero; - transferrableMakerFeeTokenAmount = zero; - remainingMakerTokenAmount = signedOrder.makerTokenAmount; - calculator = new RemainingFillableCalculator( - signedOrder, - isMakerTokenZRX, - transferrableMakerTokenAmount, - transferrableMakerFeeTokenAmount, - remainingMakerTokenAmount, - ); - expect(calculator.computeRemainingMakerFillable()).to.be.bignumber.equal(zero); - }); - it('calculates the correct amount when balance is less than remaining fillable', () => { - signedOrder = buildSignedOrder(); - const partiallyFilledAmount = Web3Wrapper.toBaseUnitAmount(new BigNumber(2), decimals); - remainingMakerTokenAmount = signedOrder.makerTokenAmount.minus(partiallyFilledAmount); - transferrableMakerTokenAmount = remainingMakerTokenAmount.minus(partiallyFilledAmount); - transferrableMakerFeeTokenAmount = transferrableMakerTokenAmount; - - const orderToFeeRatio = signedOrder.makerTokenAmount.dividedToIntegerBy(signedOrder.makerFee); - const expectedFillableAmount = new BigNumber(450980); - calculator = new RemainingFillableCalculator( - signedOrder, - isMakerTokenZRX, - transferrableMakerTokenAmount, - transferrableMakerFeeTokenAmount, - remainingMakerTokenAmount, - ); - const calculatedFillableAmount = calculator.computeRemainingMakerFillable(); - const numberOfFillsInRatio = calculatedFillableAmount.dividedToIntegerBy(orderToFeeRatio); - const calculatedFillableAmountPlusFees = calculatedFillableAmount.plus(numberOfFillsInRatio); - expect(calculatedFillableAmountPlusFees).to.be.bignumber.lessThan(transferrableMakerTokenAmount); - expect(calculatedFillableAmountPlusFees).to.be.bignumber.lessThan(remainingMakerTokenAmount); - expect(calculatedFillableAmount).to.be.bignumber.equal(expectedFillableAmount); - expect(numberOfFillsInRatio.decimalPlaces()).to.be.equal(0); - }); - }); -}); |