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authorFabio Berger <me@fabioberger.com>2018-06-08 00:03:50 +0800
committerFabio Berger <me@fabioberger.com>2018-06-08 00:03:50 +0800
commit73cc2a140c778a5396c2766562a3fc648337e18a (patch)
treee949314b9476232966750172f13790d4f1167291
parent6058a74da54e916e970912d942954d55922cef95 (diff)
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- Refactor remainingFillableCalculator so it can be used for the maker and taker side
- Moved the tests over from order-watcher - Did some token -> asset renaming
-rw-r--r--packages/order-utils/src/remaining_fillable_calculator.ts115
-rw-r--r--packages/order-utils/test/remaining_fillable_calculator_test.ts (renamed from packages/order-watcher/test/remaining_fillable_calculator_test.ts)188
2 files changed, 162 insertions, 141 deletions
diff --git a/packages/order-utils/src/remaining_fillable_calculator.ts b/packages/order-utils/src/remaining_fillable_calculator.ts
index b291d8ea9..acab2f41b 100644
--- a/packages/order-utils/src/remaining_fillable_calculator.ts
+++ b/packages/order-utils/src/remaining_fillable_calculator.ts
@@ -3,93 +3,92 @@ import { BigNumber } from '@0xproject/utils';
export class RemainingFillableCalculator {
private _signedOrder: SignedOrder;
- private _isMakerTokenZRX: boolean;
+ private _isTraderAssetZRX: boolean;
// Transferrable Amount is the minimum of Approval and Balance
- private _transferrableMakerTokenAmount: BigNumber;
- private _transferrableMakerFeeTokenAmount: BigNumber;
- private _remainingMakerTokenAmount: BigNumber;
- private _remainingMakerFeeAmount: BigNumber;
+ private _transferrableAssetAmount: BigNumber;
+ private _transferrableFeeAmount: BigNumber;
+ private _remainingOrderAssetAmount: BigNumber;
+ private _remainingOrderFeeAmount: BigNumber;
+ private _orderFee: BigNumber;
+ private _orderAssetAmount: BigNumber;
constructor(
+ isTraderMaker: boolean,
signedOrder: SignedOrder,
- isMakerTokenZRX: boolean,
- transferrableMakerTokenAmount: BigNumber,
- transferrableMakerFeeTokenAmount: BigNumber,
- remainingMakerTokenAmount: BigNumber,
+ isTraderAssetZRX: boolean,
+ transferrableAssetAmount: BigNumber,
+ transferrableFeeAmount: BigNumber,
+ remainingOrderAssetAmount: BigNumber,
) {
+ if (isTraderMaker) {
+ this._orderFee = signedOrder.makerFee;
+ this._orderAssetAmount = signedOrder.makerAssetAmount;
+ } else {
+ this._orderFee = signedOrder.takerFee;
+ this._orderAssetAmount = signedOrder.takerAssetAmount;
+ }
this._signedOrder = signedOrder;
- this._isMakerTokenZRX = isMakerTokenZRX;
- this._transferrableMakerTokenAmount = transferrableMakerTokenAmount;
- this._transferrableMakerFeeTokenAmount = transferrableMakerFeeTokenAmount;
- this._remainingMakerTokenAmount = remainingMakerTokenAmount;
- this._remainingMakerFeeAmount = remainingMakerTokenAmount
- .times(signedOrder.makerFee)
- .dividedToIntegerBy(signedOrder.makerAssetAmount);
+ this._isTraderAssetZRX = isTraderAssetZRX;
+ this._transferrableAssetAmount = transferrableAssetAmount;
+ this._transferrableFeeAmount = transferrableFeeAmount;
+ this._remainingOrderAssetAmount = remainingOrderAssetAmount;
+ this._remainingOrderFeeAmount = remainingOrderAssetAmount
+ .times(this._orderFee)
+ .dividedToIntegerBy(this._orderAssetAmount);
}
- public computeRemainingMakerFillable(): BigNumber {
+ public computeRemainingFillable(): BigNumber {
if (this._hasSufficientFundsForFeeAndTransferAmount()) {
- return this._remainingMakerTokenAmount;
+ return this._remainingOrderAssetAmount;
}
- if (this._signedOrder.makerFee.isZero()) {
- return BigNumber.min(this._remainingMakerTokenAmount, this._transferrableMakerTokenAmount);
+ if (this._orderFee.isZero()) {
+ return BigNumber.min(this._remainingOrderAssetAmount, this._transferrableAssetAmount);
}
- return this._calculatePartiallyFillableMakerTokenAmount();
- }
- public computeRemainingTakerFillable(): BigNumber {
- return this.computeRemainingMakerFillable()
- .times(this._signedOrder.takerAssetAmount)
- .dividedToIntegerBy(this._signedOrder.makerAssetAmount);
+ return this._calculatePartiallyFillableAssetAmount();
}
private _hasSufficientFundsForFeeAndTransferAmount(): boolean {
- if (this._isMakerTokenZRX) {
- const totalZRXTransferAmountRequired = this._remainingMakerTokenAmount.plus(this._remainingMakerFeeAmount);
- const hasSufficientFunds = this._transferrableMakerTokenAmount.greaterThanOrEqualTo(
+ if (this._isTraderAssetZRX) {
+ const totalZRXTransferAmountRequired = this._remainingOrderAssetAmount.plus(this._remainingOrderFeeAmount);
+ const hasSufficientFunds = this._transferrableAssetAmount.greaterThanOrEqualTo(
totalZRXTransferAmountRequired,
);
return hasSufficientFunds;
} else {
- const hasSufficientFundsForTransferAmount = this._transferrableMakerTokenAmount.greaterThanOrEqualTo(
- this._remainingMakerTokenAmount,
+ const hasSufficientFundsForTransferAmount = this._transferrableAssetAmount.greaterThanOrEqualTo(
+ this._remainingOrderAssetAmount,
);
- const hasSufficientFundsForFeeAmount = this._transferrableMakerFeeTokenAmount.greaterThanOrEqualTo(
- this._remainingMakerFeeAmount,
+ const hasSufficientFundsForFeeAmount = this._transferrableFeeAmount.greaterThanOrEqualTo(
+ this._remainingOrderFeeAmount,
);
const hasSufficientFunds = hasSufficientFundsForTransferAmount && hasSufficientFundsForFeeAmount;
return hasSufficientFunds;
}
}
- private _calculatePartiallyFillableMakerTokenAmount(): BigNumber {
+ private _calculatePartiallyFillableAssetAmount(): BigNumber {
// Given an order for 200 wei for 2 ZRXwei fee, find 100 wei for 1 ZRXwei. Order ratio is then 100:1
- const orderToFeeRatio = this._signedOrder.makerAssetAmount.dividedBy(this._signedOrder.makerFee);
- // The number of times the maker can fill the order, if each fill only required the transfer of a single
+ const orderToFeeRatio = this._orderAssetAmount.dividedBy(this._orderFee);
+ // The number of times the trader (maker or taker) can fill the order, if each fill only required the transfer of a single
// baseUnit of fee tokens.
- // Given 2 ZRXwei, the maximum amount of times Maker can fill this order, in terms of fees, is 2
- const fillableTimesInFeeTokenBaseUnits = BigNumber.min(
- this._transferrableMakerFeeTokenAmount,
- this._remainingMakerFeeAmount,
- );
- // The number of times the Maker can fill the order, given the Maker Token Balance
- // Assuming a balance of 150 wei, and an orderToFeeRatio of 100:1, maker can fill this order 1 time.
- let fillableTimesInMakerTokenUnits = this._transferrableMakerTokenAmount.dividedBy(orderToFeeRatio);
- if (this._isMakerTokenZRX) {
- // If ZRX is the maker token, the Fee and the Maker amount need to be removed from the same pool;
+ // Given 2 ZRXwei, the maximum amount of times trader can fill this order, in terms of fees, is 2
+ const fillableTimesInFeeBaseUnits = BigNumber.min(this._transferrableFeeAmount, this._remainingOrderFeeAmount);
+ // The number of times the trader can fill the order, given the traders asset Balance
+ // Assuming a balance of 150 wei, and an orderToFeeRatio of 100:1, trader can fill this order 1 time.
+ let fillableTimesInAssetUnits = this._transferrableAssetAmount.dividedBy(orderToFeeRatio);
+ if (this._isTraderAssetZRX) {
+ // If ZRX is the trader asset, the Fee and the trader fill amount need to be removed from the same pool;
// 200 ZRXwei for 2ZRXwei fee can only be filled once (need 202 ZRXwei)
- const totalZRXTokenPooled = this._transferrableMakerTokenAmount;
+ const totalZRXTokenPooled = this._transferrableAssetAmount;
// The purchasing power here is less as the tokens are taken from the same Pool
// For every one number of fills, we have to take an extra ZRX out of the pool
- fillableTimesInMakerTokenUnits = totalZRXTokenPooled.dividedBy(orderToFeeRatio.plus(new BigNumber(1)));
+ fillableTimesInAssetUnits = totalZRXTokenPooled.dividedBy(orderToFeeRatio.plus(new BigNumber(1)));
}
// When Ratio is not fully divisible there can be remainders which cannot be represented, so they are floored.
// This can result in a RoundingError being thrown by the Exchange Contract.
- const partiallyFillableMakerTokenAmount = fillableTimesInMakerTokenUnits
- .times(this._signedOrder.makerAssetAmount)
- .dividedToIntegerBy(this._signedOrder.makerFee);
- const partiallyFillableFeeTokenAmount = fillableTimesInFeeTokenBaseUnits
- .times(this._signedOrder.makerAssetAmount)
- .dividedToIntegerBy(this._signedOrder.makerFee);
- const partiallyFillableAmount = BigNumber.min(
- partiallyFillableMakerTokenAmount,
- partiallyFillableFeeTokenAmount,
- );
+ const partiallyFillableAssetAmount = fillableTimesInAssetUnits
+ .times(this._orderAssetAmount)
+ .dividedToIntegerBy(this._orderFee);
+ const partiallyFillableFeeAmount = fillableTimesInFeeBaseUnits
+ .times(this._orderAssetAmount)
+ .dividedToIntegerBy(this._orderFee);
+ const partiallyFillableAmount = BigNumber.min(partiallyFillableAssetAmount, partiallyFillableFeeAmount);
return partiallyFillableAmount;
}
}
diff --git a/packages/order-watcher/test/remaining_fillable_calculator_test.ts b/packages/order-utils/test/remaining_fillable_calculator_test.ts
index ea116175b..81f8132b2 100644
--- a/packages/order-watcher/test/remaining_fillable_calculator_test.ts
+++ b/packages/order-utils/test/remaining_fillable_calculator_test.ts
@@ -5,7 +5,7 @@ import * as chai from 'chai';
import 'make-promises-safe';
import 'mocha';
-import { RemainingFillableCalculator } from '@0xproject/order-utils';
+import { RemainingFillableCalculator } from '../src/remaining_fillable_calculator';
import { chaiSetup } from './utils/chai_setup';
@@ -15,101 +15,111 @@ const expect = chai.expect;
describe('RemainingFillableCalculator', () => {
let calculator: RemainingFillableCalculator;
let signedOrder: SignedOrder;
- let transferrableMakerTokenAmount: BigNumber;
+ let transferrableMakeAssetAmount: BigNumber;
let transferrableMakerFeeTokenAmount: BigNumber;
- let remainingMakerTokenAmount: BigNumber;
+ let remainingMakeAssetAmount: BigNumber;
let makerAmount: BigNumber;
let takerAmount: BigNumber;
let makerFeeAmount: BigNumber;
- let isMakerTokenZRX: boolean;
- const makerToken: string = '0x1';
- const takerToken: string = '0x2';
+ let isMakeAssetZRX: boolean;
+ const makerAssetData: string = '0x1';
+ const takerAssetData: string = '0x2';
const decimals: number = 4;
const zero: BigNumber = new BigNumber(0);
const zeroAddress = '0x0';
- const signature: ECSignature = { v: 27, r: '', s: '' };
+ const signature: string =
+ '0x1B61a3ed31b43c8780e905a260a35faefcc527be7516aa11c0256729b5b351bc3340349190569279751135161d22529dc25add4f6069af05be04cacbda2ace225403';
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] = [
+ [transferrableMakeAssetAmount, 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,
+ signature,
+ exchangeAddress: zeroAddress,
+ feeRecipientAddress: zeroAddress,
+ senderAddress: zeroAddress,
+ makerAddress: zeroAddress,
+ takerAddress: zeroAddress,
makerFee: makerFeeAmount,
takerFee: zero,
- makerTokenAmount: makerAmount,
- takerTokenAmount: takerAmount,
- makerTokenAddress: makerToken,
- takerTokenAddress: takerToken,
+ makerAssetAmount: makerAmount,
+ takerAssetAmount: takerAmount,
+ makerAssetData,
+ takerAssetData,
salt: zero,
- expirationUnixTimestampSec: zero,
+ expirationTimeSeconds: zero,
};
}
describe('Maker token is NOT ZRX', () => {
before(async () => {
- isMakerTokenZRX = false;
+ isMakeAssetZRX = false;
});
it('calculates the correct amount when unfilled and funds available', () => {
signedOrder = buildSignedOrder();
- remainingMakerTokenAmount = signedOrder.makerTokenAmount;
+ remainingMakeAssetAmount = signedOrder.makerAssetAmount;
+ const isTraderMaker = true;
calculator = new RemainingFillableCalculator(
+ isTraderMaker,
signedOrder,
- isMakerTokenZRX,
- transferrableMakerTokenAmount,
+ isMakeAssetZRX,
+ transferrableMakeAssetAmount,
transferrableMakerFeeTokenAmount,
- remainingMakerTokenAmount,
+ remainingMakeAssetAmount,
);
- expect(calculator.computeRemainingMakerFillable()).to.be.bignumber.equal(remainingMakerTokenAmount);
+ expect(calculator.computeRemainingFillable()).to.be.bignumber.equal(remainingMakeAssetAmount);
});
it('calculates the correct amount when partially filled and funds available', () => {
signedOrder = buildSignedOrder();
- remainingMakerTokenAmount = Web3Wrapper.toBaseUnitAmount(new BigNumber(1), decimals);
+ remainingMakeAssetAmount = Web3Wrapper.toBaseUnitAmount(new BigNumber(1), decimals);
+ const isTraderMaker = true;
calculator = new RemainingFillableCalculator(
+ isTraderMaker,
signedOrder,
- isMakerTokenZRX,
- transferrableMakerTokenAmount,
+ isMakeAssetZRX,
+ transferrableMakeAssetAmount,
transferrableMakerFeeTokenAmount,
- remainingMakerTokenAmount,
+ remainingMakeAssetAmount,
);
- expect(calculator.computeRemainingMakerFillable()).to.be.bignumber.equal(remainingMakerTokenAmount);
+ expect(calculator.computeRemainingFillable()).to.be.bignumber.equal(remainingMakeAssetAmount);
});
it('calculates the amount to be 0 when all fee funds are transferred', () => {
signedOrder = buildSignedOrder();
transferrableMakerFeeTokenAmount = zero;
- remainingMakerTokenAmount = signedOrder.makerTokenAmount;
+ remainingMakeAssetAmount = signedOrder.makerAssetAmount;
+ const isTraderMaker = true;
calculator = new RemainingFillableCalculator(
+ isTraderMaker,
signedOrder,
- isMakerTokenZRX,
- transferrableMakerTokenAmount,
+ isMakeAssetZRX,
+ transferrableMakeAssetAmount,
transferrableMakerFeeTokenAmount,
- remainingMakerTokenAmount,
+ remainingMakeAssetAmount,
);
- expect(calculator.computeRemainingMakerFillable()).to.be.bignumber.equal(zero);
+ expect(calculator.computeRemainingFillable()).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);
+ remainingMakeAssetAmount = signedOrder.makerAssetAmount.minus(partiallyFilledAmount);
+ transferrableMakeAssetAmount = remainingMakeAssetAmount.minus(partiallyFilledAmount);
+ const isTraderMaker = true;
calculator = new RemainingFillableCalculator(
+ isTraderMaker,
signedOrder,
- isMakerTokenZRX,
- transferrableMakerTokenAmount,
+ isMakeAssetZRX,
+ transferrableMakeAssetAmount,
transferrableMakerFeeTokenAmount,
- remainingMakerTokenAmount,
+ remainingMakeAssetAmount,
);
- expect(calculator.computeRemainingMakerFillable()).to.be.bignumber.equal(transferrableMakerTokenAmount);
+ expect(calculator.computeRemainingFillable()).to.be.bignumber.equal(transferrableMakeAssetAmount);
});
describe('Order to Fee Ratio is < 1', () => {
beforeEach(async () => {
@@ -121,17 +131,19 @@ describe('RemainingFillableCalculator', () => {
});
it('calculates the correct amount when funds unavailable', () => {
signedOrder = buildSignedOrder();
- remainingMakerTokenAmount = signedOrder.makerTokenAmount;
+ remainingMakeAssetAmount = signedOrder.makerAssetAmount;
const transferredAmount = Web3Wrapper.toBaseUnitAmount(new BigNumber(2), decimals);
- transferrableMakerTokenAmount = remainingMakerTokenAmount.minus(transferredAmount);
+ transferrableMakeAssetAmount = remainingMakeAssetAmount.minus(transferredAmount);
+ const isTraderMaker = true;
calculator = new RemainingFillableCalculator(
+ isTraderMaker,
signedOrder,
- isMakerTokenZRX,
- transferrableMakerTokenAmount,
+ isMakeAssetZRX,
+ transferrableMakeAssetAmount,
transferrableMakerFeeTokenAmount,
- remainingMakerTokenAmount,
+ remainingMakeAssetAmount,
);
- expect(calculator.computeRemainingMakerFillable()).to.be.bignumber.equal(transferrableMakerTokenAmount);
+ expect(calculator.computeRemainingFillable()).to.be.bignumber.equal(transferrableMakeAssetAmount);
});
});
describe('Ratio is not evenly divisble', () => {
@@ -144,20 +156,22 @@ describe('RemainingFillableCalculator', () => {
});
it('calculates the correct amount when funds unavailable', () => {
signedOrder = buildSignedOrder();
- remainingMakerTokenAmount = signedOrder.makerTokenAmount;
+ remainingMakeAssetAmount = signedOrder.makerAssetAmount;
const transferredAmount = Web3Wrapper.toBaseUnitAmount(new BigNumber(2), decimals);
- transferrableMakerTokenAmount = remainingMakerTokenAmount.minus(transferredAmount);
+ transferrableMakeAssetAmount = remainingMakeAssetAmount.minus(transferredAmount);
+ const isTraderMaker = true;
calculator = new RemainingFillableCalculator(
+ isTraderMaker,
signedOrder,
- isMakerTokenZRX,
- transferrableMakerTokenAmount,
+ isMakeAssetZRX,
+ transferrableMakeAssetAmount,
transferrableMakerFeeTokenAmount,
- remainingMakerTokenAmount,
+ remainingMakeAssetAmount,
);
- const calculatedFillableAmount = calculator.computeRemainingMakerFillable();
- expect(calculatedFillableAmount.lessThanOrEqualTo(transferrableMakerTokenAmount)).to.be.true();
+ const calculatedFillableAmount = calculator.computeRemainingFillable();
+ expect(calculatedFillableAmount.lessThanOrEqualTo(transferrableMakeAssetAmount)).to.be.true();
expect(calculatedFillableAmount).to.be.bignumber.greaterThan(new BigNumber(0));
- const orderToFeeRatio = signedOrder.makerTokenAmount.dividedBy(signedOrder.makerFee);
+ const orderToFeeRatio = signedOrder.makerAssetAmount.dividedBy(signedOrder.makerFee);
const calculatedFeeAmount = calculatedFillableAmount.dividedBy(orderToFeeRatio);
expect(calculatedFeeAmount).to.be.bignumber.lessThan(transferrableMakerFeeTokenAmount);
});
@@ -165,69 +179,77 @@ describe('RemainingFillableCalculator', () => {
});
describe('Maker Token is ZRX', () => {
before(async () => {
- isMakerTokenZRX = true;
+ isMakeAssetZRX = true;
});
it('calculates the correct amount when unfilled and funds available', () => {
signedOrder = buildSignedOrder();
- transferrableMakerTokenAmount = makerAmount.plus(makerFeeAmount);
- transferrableMakerFeeTokenAmount = transferrableMakerTokenAmount;
- remainingMakerTokenAmount = signedOrder.makerTokenAmount;
+ transferrableMakeAssetAmount = makerAmount.plus(makerFeeAmount);
+ transferrableMakerFeeTokenAmount = transferrableMakeAssetAmount;
+ remainingMakeAssetAmount = signedOrder.makerAssetAmount;
+ const isTraderMaker = true;
calculator = new RemainingFillableCalculator(
+ isTraderMaker,
signedOrder,
- isMakerTokenZRX,
- transferrableMakerTokenAmount,
+ isMakeAssetZRX,
+ transferrableMakeAssetAmount,
transferrableMakerFeeTokenAmount,
- remainingMakerTokenAmount,
+ remainingMakeAssetAmount,
);
- expect(calculator.computeRemainingMakerFillable()).to.be.bignumber.equal(remainingMakerTokenAmount);
+ expect(calculator.computeRemainingFillable()).to.be.bignumber.equal(remainingMakeAssetAmount);
});
it('calculates the correct amount when partially filled and funds available', () => {
signedOrder = buildSignedOrder();
- remainingMakerTokenAmount = Web3Wrapper.toBaseUnitAmount(new BigNumber(1), decimals);
+ remainingMakeAssetAmount = Web3Wrapper.toBaseUnitAmount(new BigNumber(1), decimals);
+ const isTraderMaker = true;
calculator = new RemainingFillableCalculator(
+ isTraderMaker,
signedOrder,
- isMakerTokenZRX,
- transferrableMakerTokenAmount,
+ isMakeAssetZRX,
+ transferrableMakeAssetAmount,
transferrableMakerFeeTokenAmount,
- remainingMakerTokenAmount,
+ remainingMakeAssetAmount,
);
- expect(calculator.computeRemainingMakerFillable()).to.be.bignumber.equal(remainingMakerTokenAmount);
+ expect(calculator.computeRemainingFillable()).to.be.bignumber.equal(remainingMakeAssetAmount);
});
it('calculates the amount to be 0 when all fee funds are transferred', () => {
signedOrder = buildSignedOrder();
- transferrableMakerTokenAmount = zero;
+ transferrableMakeAssetAmount = zero;
transferrableMakerFeeTokenAmount = zero;
- remainingMakerTokenAmount = signedOrder.makerTokenAmount;
+ remainingMakeAssetAmount = signedOrder.makerAssetAmount;
+ const isTraderMaker = true;
calculator = new RemainingFillableCalculator(
+ isTraderMaker,
signedOrder,
- isMakerTokenZRX,
- transferrableMakerTokenAmount,
+ isMakeAssetZRX,
+ transferrableMakeAssetAmount,
transferrableMakerFeeTokenAmount,
- remainingMakerTokenAmount,
+ remainingMakeAssetAmount,
);
- expect(calculator.computeRemainingMakerFillable()).to.be.bignumber.equal(zero);
+ expect(calculator.computeRemainingFillable()).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;
+ remainingMakeAssetAmount = signedOrder.makerAssetAmount.minus(partiallyFilledAmount);
+ transferrableMakeAssetAmount = remainingMakeAssetAmount.minus(partiallyFilledAmount);
+ transferrableMakerFeeTokenAmount = transferrableMakeAssetAmount;
- const orderToFeeRatio = signedOrder.makerTokenAmount.dividedToIntegerBy(signedOrder.makerFee);
+ const orderToFeeRatio = signedOrder.makerAssetAmount.dividedToIntegerBy(signedOrder.makerFee);
const expectedFillableAmount = new BigNumber(450980);
+ const isTraderMaker = true;
calculator = new RemainingFillableCalculator(
+ isTraderMaker,
signedOrder,
- isMakerTokenZRX,
- transferrableMakerTokenAmount,
+ isMakeAssetZRX,
+ transferrableMakeAssetAmount,
transferrableMakerFeeTokenAmount,
- remainingMakerTokenAmount,
+ remainingMakeAssetAmount,
);
- const calculatedFillableAmount = calculator.computeRemainingMakerFillable();
+ const calculatedFillableAmount = calculator.computeRemainingFillable();
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(calculatedFillableAmountPlusFees).to.be.bignumber.lessThan(transferrableMakeAssetAmount);
+ expect(calculatedFillableAmountPlusFees).to.be.bignumber.lessThan(remainingMakeAssetAmount);
expect(calculatedFillableAmount).to.be.bignumber.equal(expectedFillableAmount);
expect(numberOfFillsInRatio.decimalPlaces()).to.be.equal(0);
});