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-rw-r--r--packages/0x.js/test/remaining_fillable_calculator_test.ts77
1 files changed, 44 insertions, 33 deletions
diff --git a/packages/0x.js/test/remaining_fillable_calculator_test.ts b/packages/0x.js/test/remaining_fillable_calculator_test.ts
index 5d7cd9277..5b7fd63f1 100644
--- a/packages/0x.js/test/remaining_fillable_calculator_test.ts
+++ b/packages/0x.js/test/remaining_fillable_calculator_test.ts
@@ -13,26 +13,26 @@ const expect = chai.expect;
describe.only('RemainingFillableCalculator', () => {
let calculator: RemainingFillableCalculator;
let signedOrder: SignedOrder;
- let makerToken: string;
- let takerToken: string;
- let zrxToken: string;
let transferrableMakerTokenAmount: BigNumber;
let transferrableMakerFeeTokenAmount: BigNumber;
let remainingMakerTokenAmount: BigNumber;
let makerAmount: BigNumber;
let takerAmount: BigNumber;
let makerFee: 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 () => {
- [makerToken, takerToken, zrxToken] = ['0x1', '0x2', '0x3'];
- [makerAmount, takerAmount, makerFee] = [ZeroEx.toBaseUnitAmount(new BigNumber(50), 18),
- ZeroEx.toBaseUnitAmount(new BigNumber(5), 18),
- ZeroEx.toBaseUnitAmount(new BigNumber(1), 18)];
+ [makerAmount, takerAmount, makerFee] = [ZeroEx.toBaseUnitAmount(new BigNumber(50), decimals),
+ ZeroEx.toBaseUnitAmount(new BigNumber(5), decimals),
+ ZeroEx.toBaseUnitAmount(new BigNumber(1), decimals)];
[transferrableMakerTokenAmount, transferrableMakerFeeTokenAmount] = [
- ZeroEx.toBaseUnitAmount(new BigNumber(50), 18),
- ZeroEx.toBaseUnitAmount(new BigNumber(5), 18)];
+ ZeroEx.toBaseUnitAmount(new BigNumber(50), decimals),
+ ZeroEx.toBaseUnitAmount(new BigNumber(5), decimals)];
});
function buildSignedOrder(): SignedOrder {
return { ecSignature: signature,
@@ -50,26 +50,20 @@ describe.only('RemainingFillableCalculator', () => {
expirationUnixTimestampSec: zero };
}
describe('Maker token is NOT ZRX', () => {
- it('calculates the correct amount when balance is less than remaining fillable', () => {
- signedOrder = buildSignedOrder();
- const partiallyFilledAmount = ZeroEx.toBaseUnitAmount(new BigNumber(2), 18);
- remainingMakerTokenAmount = signedOrder.makerTokenAmount.minus(partiallyFilledAmount);
- transferrableMakerTokenAmount = remainingMakerTokenAmount.minus(partiallyFilledAmount);
- calculator = new RemainingFillableCalculator(signedOrder, zrxToken,
- transferrableMakerTokenAmount, transferrableMakerFeeTokenAmount, remainingMakerTokenAmount);
- expect(calculator.computeRemainingMakerFillable()).to.be.bignumber.equal(transferrableMakerTokenAmount);
+ before(async () => {
+ isMakerTokenZRX = false;
});
it('calculates the correct amount when unfilled and funds available', () => {
signedOrder = buildSignedOrder();
remainingMakerTokenAmount = signedOrder.makerTokenAmount;
- calculator = new RemainingFillableCalculator(signedOrder, zrxToken,
+ 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 = ZeroEx.toBaseUnitAmount(new BigNumber(1), 18);
- calculator = new RemainingFillableCalculator(signedOrder, zrxToken,
+ remainingMakerTokenAmount = ZeroEx.toBaseUnitAmount(new BigNumber(1), decimals);
+ calculator = new RemainingFillableCalculator(signedOrder, isMakerTokenZRX,
transferrableMakerTokenAmount, transferrableMakerFeeTokenAmount, remainingMakerTokenAmount);
expect(calculator.computeRemainingMakerFillable()).to.be.bignumber.equal(remainingMakerTokenAmount);
});
@@ -77,38 +71,37 @@ describe.only('RemainingFillableCalculator', () => {
signedOrder = buildSignedOrder();
transferrableMakerFeeTokenAmount = zero;
remainingMakerTokenAmount = signedOrder.makerTokenAmount;
- calculator = new RemainingFillableCalculator(signedOrder, zrxToken,
+ calculator = new RemainingFillableCalculator(signedOrder, isMakerTokenZRX,
transferrableMakerTokenAmount, transferrableMakerFeeTokenAmount, remainingMakerTokenAmount);
expect(calculator.computeRemainingMakerFillable()).to.be.bignumber.equal(zero);
});
- });
- describe('Maker Token is ZRX', () => {
- beforeEach(async () => {
- makerToken = zrxToken;
- });
it('calculates the correct amount when balance is less than remaining fillable', () => {
signedOrder = buildSignedOrder();
- const partiallyFilledAmount = ZeroEx.toBaseUnitAmount(new BigNumber(2), 18);
+ const partiallyFilledAmount = ZeroEx.toBaseUnitAmount(new BigNumber(2), decimals);
remainingMakerTokenAmount = signedOrder.makerTokenAmount.minus(partiallyFilledAmount);
transferrableMakerTokenAmount = remainingMakerTokenAmount.minus(partiallyFilledAmount);
- transferrableMakerFeeTokenAmount = transferrableMakerTokenAmount;
- calculator = new RemainingFillableCalculator(signedOrder, zrxToken,
+ calculator = new RemainingFillableCalculator(signedOrder, isMakerTokenZRX,
transferrableMakerTokenAmount, transferrableMakerFeeTokenAmount, remainingMakerTokenAmount);
expect(calculator.computeRemainingMakerFillable()).to.be.bignumber.equal(transferrableMakerTokenAmount);
});
+ });
+ describe('Maker Token is ZRX', () => {
+ before(async () => {
+ isMakerTokenZRX = true;
+ });
it('calculates the correct amount when unfilled and funds available', () => {
signedOrder = buildSignedOrder();
transferrableMakerTokenAmount = makerAmount.plus(makerFee);
transferrableMakerFeeTokenAmount = transferrableMakerTokenAmount;
remainingMakerTokenAmount = signedOrder.makerTokenAmount;
- calculator = new RemainingFillableCalculator(signedOrder, zrxToken,
+ 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 = ZeroEx.toBaseUnitAmount(new BigNumber(1), 18);
- calculator = new RemainingFillableCalculator(signedOrder, zrxToken,
+ remainingMakerTokenAmount = ZeroEx.toBaseUnitAmount(new BigNumber(1), decimals);
+ calculator = new RemainingFillableCalculator(signedOrder, isMakerTokenZRX,
transferrableMakerTokenAmount, transferrableMakerFeeTokenAmount, remainingMakerTokenAmount);
expect(calculator.computeRemainingMakerFillable()).to.be.bignumber.equal(remainingMakerTokenAmount);
});
@@ -117,9 +110,27 @@ describe.only('RemainingFillableCalculator', () => {
transferrableMakerTokenAmount = zero;
transferrableMakerFeeTokenAmount = zero;
remainingMakerTokenAmount = signedOrder.makerTokenAmount;
- calculator = new RemainingFillableCalculator(signedOrder, zrxToken,
+ 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 = ZeroEx.toBaseUnitAmount(new BigNumber(2), decimals);
+ remainingMakerTokenAmount = signedOrder.makerTokenAmount.minus(partiallyFilledAmount);
+ transferrableMakerTokenAmount = remainingMakerTokenAmount.minus(partiallyFilledAmount);
+ transferrableMakerFeeTokenAmount = transferrableMakerTokenAmount;
+
+ const orderToFeeRatio = signedOrder.makerTokenAmount.dividedToIntegerBy(signedOrder.makerFee);
+ const expectedRemainingAmount = new BigNumber(450950);
+ const numberOfFillsInRatio = expectedRemainingAmount.dividedToIntegerBy(orderToFeeRatio);
+ calculator = new RemainingFillableCalculator(signedOrder, isMakerTokenZRX,
+ transferrableMakerTokenAmount, transferrableMakerFeeTokenAmount, remainingMakerTokenAmount);
+ const calculatedRemainingAmount = calculator.computeRemainingMakerFillable();
+ const calculatedRemainingAmountPlusFees = calculatedRemainingAmount.plus(numberOfFillsInRatio);
+ expect(calculatedRemainingAmount).to.be.bignumber.equal(expectedRemainingAmount);
+ expect(calculatedRemainingAmountPlusFees).to.be.bignumber.lessThan(transferrableMakerTokenAmount);
+ expect(calculatedRemainingAmountPlusFees).to.be.bignumber.lessThan(remainingMakerTokenAmount);
+ });
});
});
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 02:25:51 +0800