Pass in fee and assetAmount rather then the whole signedOrder

3 files changed, 26 insertions, 45 deletions

diff --git a/packages/order-utils/src/order_state_utils.ts b/packages/order-utils/src/order_state_utils.ts
index ef868e60f..ca18097c9 100644
--- a/packages/order-utils/src/order_state_utils.ts
+++ b/packages/order-utils/src/order_state_utils.ts
@@ -113,10 +113,9 @@ export class OrderStateUtils {
 
         const zrxAssetData = assetProxyUtils.encodeERC20ProxyData(zrxTokenAddress);
         const isMakerAssetZRX = signedOrder.makerAssetData === zrxAssetData;
-        const isTraderMaker = true;
         const remainingFillableCalculator = new RemainingFillableCalculator(
-            isTraderMaker,
-            signedOrder,
+            signedOrder.makerFee,
+            signedOrder.makerAssetAmount,
             isMakerAssetZRX,
             transferrableMakerAssetAmount,
             transferrableFeeAssetAmount,
diff --git a/packages/order-utils/src/remaining_fillable_calculator.ts b/packages/order-utils/src/remaining_fillable_calculator.ts
index acab2f41b..bc146e931 100644
--- a/packages/order-utils/src/remaining_fillable_calculator.ts
+++ b/packages/order-utils/src/remaining_fillable_calculator.ts
@@ -1,8 +1,6 @@
-import { SignedOrder } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 
 export class RemainingFillableCalculator {
-    private _signedOrder: SignedOrder;
     private _isTraderAssetZRX: boolean;
     // Transferrable Amount is the minimum of Approval and Balance
     private _transferrableAssetAmount: BigNumber;
@@ -12,21 +10,15 @@ export class RemainingFillableCalculator {
     private _orderFee: BigNumber;
     private _orderAssetAmount: BigNumber;
     constructor(
-        isTraderMaker: boolean,
-        signedOrder: SignedOrder,
+        orderFee: BigNumber,
+        orderAssetAmount: 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._orderFee = orderFee;
+        this._orderAssetAmount = orderAssetAmount;
         this._isTraderAssetZRX = isTraderAssetZRX;
         this._transferrableAssetAmount = transferrableAssetAmount;
         this._transferrableFeeAmount = transferrableFeeAmount;
diff --git a/packages/order-utils/test/remaining_fillable_calculator_test.ts b/packages/order-utils/test/remaining_fillable_calculator_test.ts
index 81f8132b2..45ad90626 100644
--- a/packages/order-utils/test/remaining_fillable_calculator_test.ts
+++ b/packages/order-utils/test/remaining_fillable_calculator_test.ts
@@ -65,10 +65,9 @@ describe('RemainingFillableCalculator', () => {
         it('calculates the correct amount when unfilled and funds available', () => {
             signedOrder = buildSignedOrder();
             remainingMakeAssetAmount = signedOrder.makerAssetAmount;
-            const isTraderMaker = true;
             calculator = new RemainingFillableCalculator(
-                isTraderMaker,
-                signedOrder,
+                signedOrder.makerFee,
+                signedOrder.makerAssetAmount,
                 isMakeAssetZRX,
                 transferrableMakeAssetAmount,
                 transferrableMakerFeeTokenAmount,
@@ -79,10 +78,9 @@ describe('RemainingFillableCalculator', () => {
         it('calculates the correct amount when partially filled and funds available', () => {
             signedOrder = buildSignedOrder();
             remainingMakeAssetAmount = Web3Wrapper.toBaseUnitAmount(new BigNumber(1), decimals);
-            const isTraderMaker = true;
             calculator = new RemainingFillableCalculator(
-                isTraderMaker,
-                signedOrder,
+                signedOrder.makerFee,
+                signedOrder.makerAssetAmount,
                 isMakeAssetZRX,
                 transferrableMakeAssetAmount,
                 transferrableMakerFeeTokenAmount,
@@ -94,10 +92,9 @@ describe('RemainingFillableCalculator', () => {
             signedOrder = buildSignedOrder();
             transferrableMakerFeeTokenAmount = zero;
             remainingMakeAssetAmount = signedOrder.makerAssetAmount;
-            const isTraderMaker = true;
             calculator = new RemainingFillableCalculator(
-                isTraderMaker,
-                signedOrder,
+                signedOrder.makerFee,
+                signedOrder.makerAssetAmount,
                 isMakeAssetZRX,
                 transferrableMakeAssetAmount,
                 transferrableMakerFeeTokenAmount,
@@ -110,10 +107,9 @@ describe('RemainingFillableCalculator', () => {
             const partiallyFilledAmount = Web3Wrapper.toBaseUnitAmount(new BigNumber(2), decimals);
             remainingMakeAssetAmount = signedOrder.makerAssetAmount.minus(partiallyFilledAmount);
             transferrableMakeAssetAmount = remainingMakeAssetAmount.minus(partiallyFilledAmount);
-            const isTraderMaker = true;
             calculator = new RemainingFillableCalculator(
-                isTraderMaker,
-                signedOrder,
+                signedOrder.makerFee,
+                signedOrder.makerAssetAmount,
                 isMakeAssetZRX,
                 transferrableMakeAssetAmount,
                 transferrableMakerFeeTokenAmount,
@@ -134,10 +130,9 @@ describe('RemainingFillableCalculator', () => {
                 remainingMakeAssetAmount = signedOrder.makerAssetAmount;
                 const transferredAmount = Web3Wrapper.toBaseUnitAmount(new BigNumber(2), decimals);
                 transferrableMakeAssetAmount = remainingMakeAssetAmount.minus(transferredAmount);
-                const isTraderMaker = true;
                 calculator = new RemainingFillableCalculator(
-                    isTraderMaker,
-                    signedOrder,
+                    signedOrder.makerFee,
+                    signedOrder.makerAssetAmount,
                     isMakeAssetZRX,
                     transferrableMakeAssetAmount,
                     transferrableMakerFeeTokenAmount,
@@ -159,10 +154,9 @@ describe('RemainingFillableCalculator', () => {
                 remainingMakeAssetAmount = signedOrder.makerAssetAmount;
                 const transferredAmount = Web3Wrapper.toBaseUnitAmount(new BigNumber(2), decimals);
                 transferrableMakeAssetAmount = remainingMakeAssetAmount.minus(transferredAmount);
-                const isTraderMaker = true;
                 calculator = new RemainingFillableCalculator(
-                    isTraderMaker,
-                    signedOrder,
+                    signedOrder.makerFee,
+                    signedOrder.makerAssetAmount,
                     isMakeAssetZRX,
                     transferrableMakeAssetAmount,
                     transferrableMakerFeeTokenAmount,
@@ -186,10 +180,9 @@ describe('RemainingFillableCalculator', () => {
             transferrableMakeAssetAmount = makerAmount.plus(makerFeeAmount);
             transferrableMakerFeeTokenAmount = transferrableMakeAssetAmount;
             remainingMakeAssetAmount = signedOrder.makerAssetAmount;
-            const isTraderMaker = true;
             calculator = new RemainingFillableCalculator(
-                isTraderMaker,
-                signedOrder,
+                signedOrder.makerFee,
+                signedOrder.makerAssetAmount,
                 isMakeAssetZRX,
                 transferrableMakeAssetAmount,
                 transferrableMakerFeeTokenAmount,
@@ -200,10 +193,9 @@ describe('RemainingFillableCalculator', () => {
         it('calculates the correct amount when partially filled and funds available', () => {
             signedOrder = buildSignedOrder();
             remainingMakeAssetAmount = Web3Wrapper.toBaseUnitAmount(new BigNumber(1), decimals);
-            const isTraderMaker = true;
             calculator = new RemainingFillableCalculator(
-                isTraderMaker,
-                signedOrder,
+                signedOrder.makerFee,
+                signedOrder.makerAssetAmount,
                 isMakeAssetZRX,
                 transferrableMakeAssetAmount,
                 transferrableMakerFeeTokenAmount,
@@ -216,10 +208,9 @@ describe('RemainingFillableCalculator', () => {
             transferrableMakeAssetAmount = zero;
             transferrableMakerFeeTokenAmount = zero;
             remainingMakeAssetAmount = signedOrder.makerAssetAmount;
-            const isTraderMaker = true;
             calculator = new RemainingFillableCalculator(
-                isTraderMaker,
-                signedOrder,
+                signedOrder.makerFee,
+                signedOrder.makerAssetAmount,
                 isMakeAssetZRX,
                 transferrableMakeAssetAmount,
                 transferrableMakerFeeTokenAmount,
@@ -236,10 +227,9 @@ describe('RemainingFillableCalculator', () => {
 
             const orderToFeeRatio = signedOrder.makerAssetAmount.dividedToIntegerBy(signedOrder.makerFee);
             const expectedFillableAmount = new BigNumber(450980);
-            const isTraderMaker = true;
             calculator = new RemainingFillableCalculator(
-                isTraderMaker,
-                signedOrder,
+                signedOrder.makerFee,
+                signedOrder.makerAssetAmount,
                 isMakeAssetZRX,
                 transferrableMakeAssetAmount,
                 transferrableMakerFeeTokenAmount,