Updated all existing match order tests to use new format

2 files changed, 301 insertions, 128 deletions

diff --git a/packages/contracts/test/exchange/match_orders.ts b/packages/contracts/test/exchange/match_orders.ts
index 3cffef7ad..eb2644ba6 100644
--- a/packages/contracts/test/exchange/match_orders.ts
+++ b/packages/contracts/test/exchange/match_orders.ts
@@ -21,7 +21,13 @@ import { ERC721Wrapper } from '../utils/erc721_wrapper';
 import { ExchangeWrapper } from '../utils/exchange_wrapper';
 import { MatchOrderTester } from '../utils/match_order_tester';
 import { OrderFactory } from '../utils/order_factory';
-import { ERC20BalancesByOwner, ERC721TokenIdsByOwner, OrderInfo, TransferAmountsByMatchOrders as TransferAmounts, OrderStatus } from '../utils/types';
+import {
+    ERC20BalancesByOwner,
+    ERC721TokenIdsByOwner,
+    OrderInfo,
+    TransferAmountsByMatchOrders as TransferAmounts,
+    OrderStatus,
+} from '../utils/types';
 import { provider, txDefaults, web3Wrapper } from '../utils/web3_wrapper';
 
 chaiSetup.configure();
@@ -177,7 +183,6 @@ describe.only('matchOrders', () => {
             erc20BalancesByOwner = await erc20Wrapper.getBalancesAsync();
             erc721TokenIdsByOwner = await erc721Wrapper.getBalancesAsync();
         });
-        
 
         /*
         it.only('should transfer the correct amounts when orders completely fill each other', async () => {
@@ -213,7 +218,7 @@ describe.only('matchOrders', () => {
         });
         */
 
-        it.only('Jacobs Example', async () => {
+        it('Jacobs Example', async () => {
             // Create orders to match
             const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
                 makerAddress: makerAddressLeft,
@@ -244,8 +249,6 @@ describe.only('matchOrders', () => {
                 feePaidByTakerLeft: Web3Wrapper.toBaseUnitAmount(new BigNumber(1), 18), // 100%
                 feePaidByTakerRight: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 17), // 50%
             };
-            const expectedEndStateLeft = OrderStatus.FILLABLE;
-            const expectedEndStateRight = OrderStatus.FULLY_FILLED;
             // Match signedOrderLeft with signedOrderRight
             await matchOrderTester.matchOrdersAndVerifyBalancesAsync(
                 signedOrderLeft,
@@ -254,44 +257,8 @@ describe.only('matchOrders', () => {
                 erc20BalancesByOwner,
                 erc721TokenIdsByOwner,
                 expectedTransferAmounts,
-                expectedEndStateLeft,
-                expectedEndStateRight
             );
         });
-        
-
-        /*
-        it.only('Jacobs Example', async () => {
-            // Create orders to match
-            const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
-                makerAddress: makerAddressLeft,
-                makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 0),
-                takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(3), 0),
-                feeRecipientAddress: feeRecipientAddressLeft,
-            });
-            const signedOrderRight = await orderFactoryRight.newSignedOrderAsync({
-                makerAddress: makerAddressRight,
-                makerAssetData: assetDataUtils.encodeERC20AssetData(defaultERC20TakerAssetAddress),
-                takerAssetData: assetDataUtils.encodeERC20AssetData(defaultERC20MakerAssetAddress),
-                makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(2), 0),
-                takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(1), 0),
-                feeRecipientAddress: feeRecipientAddressRight,
-            });
-            // Match signedOrderLeft with signedOrderRight
-            await matchOrderTester.matchOrdersAndVerifyBalancesAsync(
-                signedOrderLeft,
-                signedOrderRight,
-                takerAddress,
-                erc20BalancesByOwner,
-                erc721TokenIdsByOwner,
-            );
-         //   // Verify left order was fully filled
-          //  const leftOrderInfo: OrderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrderLeft);
-         //   expect(leftOrderInfo.orderStatus as OrderStatus).to.be.equal(OrderStatus.FULLY_FILLED);
-            // Verify right order was fully filled
-         //   const rightOrderInfo: OrderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrderRight);
-         //   expect(rightOrderInfo.orderStatus as OrderStatus).to.be.equal(OrderStatus.FULLY_FILLED);
-        });*/
 
         const reentrancyTest = (functionNames: string[]) => {
             _.forEach(functionNames, async (functionName: string, functionId: number) => {
@@ -333,19 +300,28 @@ describe.only('matchOrders', () => {
                 takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(2), 18),
             });
             // Match signedOrderLeft with signedOrderRight
+            const expectedTransferAmounts = {
+                // Left Maker
+                amountSoldByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
+                amountBoughtByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+                feePaidByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+                // Right Maker
+                amountSoldByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+                amountBoughtByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(2), 18),
+                feePaidByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+                // Taker
+                amountReceivedByTaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(3), 18),
+                feePaidByTakerLeft: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16),
+                feePaidByTakerRight: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16),
+            };
             await matchOrderTester.matchOrdersAndVerifyBalancesAsync(
                 signedOrderLeft,
                 signedOrderRight,
                 takerAddress,
                 erc20BalancesByOwner,
                 erc721TokenIdsByOwner,
+                expectedTransferAmounts,
             );
-            // Verify left order was fully filled
-            const leftOrderInfo: OrderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrderLeft);
-            expect(leftOrderInfo.orderStatus as OrderStatus).to.be.equal(OrderStatus.FULLY_FILLED);
-            // Verify right order was fully filled
-            const rightOrderInfo: OrderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrderRight);
-            expect(rightOrderInfo.orderStatus as OrderStatus).to.be.equal(OrderStatus.FULLY_FILLED);
         });
 
         it('should transfer the correct amounts when orders completely fill each other and taker doesnt take a profit', async () => {
@@ -358,32 +334,29 @@ describe.only('matchOrders', () => {
                 makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
                 takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
             });
-            // Store original taker balance
-            const takerInitialBalances = _.cloneDeep(erc20BalancesByOwner[takerAddress][defaultERC20MakerAssetAddress]);
             // Match signedOrderLeft with signedOrderRight
-            let newERC20BalancesByOwner: ERC20BalancesByOwner;
-            let newERC721TokenIdsByOwner: ERC721TokenIdsByOwner;
-            // prettier-ignore
-            [
-                newERC20BalancesByOwner,
-                // tslint:disable-next-line:trailing-comma
-                newERC721TokenIdsByOwner
-            ] = await matchOrderTester.matchOrdersAndVerifyBalancesAsync(
+            const expectedTransferAmounts = {
+                // Left Maker
+                amountSoldByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
+                amountBoughtByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+                feePaidByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+                // Right Maker
+                amountSoldByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+                amountBoughtByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
+                feePaidByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+                // Taker
+                amountReceivedByTaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(0), 18),
+                feePaidByTakerLeft: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16),
+                feePaidByTakerRight: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16),
+            };
+            // Match signedOrderLeft with signedOrderRight
+            await matchOrderTester.matchOrdersAndVerifyBalancesAsync(
                 signedOrderLeft,
                 signedOrderRight,
                 takerAddress,
                 erc20BalancesByOwner,
                 erc721TokenIdsByOwner,
-            );
-            // Verify left order was fully filled
-            const leftOrderInfo: OrderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrderLeft);
-            expect(leftOrderInfo.orderStatus as OrderStatus).to.be.equal(OrderStatus.FULLY_FILLED);
-            // Verify right order was fully filled
-            const rightOrderInfo: OrderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrderRight);
-            expect(rightOrderInfo.orderStatus as OrderStatus).to.be.equal(OrderStatus.FULLY_FILLED);
-            // Verify taker did not take a profit
-            expect(takerInitialBalances).to.be.deep.equal(
-                newERC20BalancesByOwner[takerAddress][defaultERC20MakerAssetAddress],
+                expectedTransferAmounts,
             );
         });
 
@@ -397,20 +370,30 @@ describe.only('matchOrders', () => {
                 makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(20), 18),
                 takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(4), 18),
             });
-            // Match orders
+            // Match signedOrderLeft with signedOrderRight
+            const expectedTransferAmounts = {
+                // Left Maker
+                amountSoldByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
+                amountBoughtByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+                feePaidByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+                // Right Maker
+                amountSoldByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+                amountBoughtByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(2), 18),
+                feePaidByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(50), 16), // 50%
+                // Taker
+                amountReceivedByTaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(3), 18),
+                feePaidByTakerLeft: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 40%
+                feePaidByTakerRight: Web3Wrapper.toBaseUnitAmount(new BigNumber(50), 16), // 100%
+            };
+            // Match signedOrderLeft with signedOrderRight
             await matchOrderTester.matchOrdersAndVerifyBalancesAsync(
                 signedOrderLeft,
                 signedOrderRight,
                 takerAddress,
                 erc20BalancesByOwner,
                 erc721TokenIdsByOwner,
+                expectedTransferAmounts,
             );
-            // Verify left order was fully filled
-            const leftOrderInfo: OrderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrderLeft);
-            expect(leftOrderInfo.orderStatus as OrderStatus).to.be.equal(OrderStatus.FULLY_FILLED);
-            // Verify right order was partially filled
-            const rightOrderInfo: OrderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrderRight);
-            expect(rightOrderInfo.orderStatus as OrderStatus).to.be.equal(OrderStatus.FILLABLE);
         });
 
         it('should transfer the correct amounts when right order is completely filled and left order is partially filled', async () => {
@@ -423,20 +406,30 @@ describe.only('matchOrders', () => {
                 makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
                 takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(2), 18),
             });
-            // Match orders
+            // Match signedOrderLeft with signedOrderRight
+            const expectedTransferAmounts = {
+                // Left Maker
+                amountSoldByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
+                amountBoughtByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+                feePaidByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 16), // 10%
+                // Right Maker
+                amountSoldByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+                amountBoughtByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(2), 18),
+                feePaidByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+                // Taker
+                amountReceivedByTaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(3), 18),
+                feePaidByTakerLeft: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 16), // 100%
+                feePaidByTakerRight: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 50%
+            };
+            // Match signedOrderLeft with signedOrderRight
             await matchOrderTester.matchOrdersAndVerifyBalancesAsync(
                 signedOrderLeft,
                 signedOrderRight,
                 takerAddress,
                 erc20BalancesByOwner,
                 erc721TokenIdsByOwner,
+                expectedTransferAmounts,
             );
-            // Verify left order was partially filled
-            const leftOrderInfo: OrderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrderLeft);
-            expect(leftOrderInfo.orderStatus as OrderStatus).to.be.equal(OrderStatus.FILLABLE);
-            // Verify right order was fully filled
-            const rightOrderInfo: OrderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrderRight);
-            expect(rightOrderInfo.orderStatus as OrderStatus).to.be.equal(OrderStatus.FULLY_FILLED);
         });
 
         it('should transfer the correct amounts when consecutive calls are used to completely fill the left order', async () => {
@@ -452,6 +445,20 @@ describe.only('matchOrders', () => {
             // Match orders
             let newERC20BalancesByOwner: ERC20BalancesByOwner;
             let newERC721TokenIdsByOwner: ERC721TokenIdsByOwner;
+            const expectedTransferAmounts = {
+                // Left Maker
+                amountSoldByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
+                amountBoughtByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+                feePaidByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 16), // 10%
+                // Right Maker
+                amountSoldByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+                amountBoughtByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(2), 18),
+                feePaidByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+                // Taker
+                amountReceivedByTaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(3), 18),
+                feePaidByTakerLeft: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 16), // 100%
+                feePaidByTakerRight: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 50%
+            };
             // prettier-ignore
             [
                 newERC20BalancesByOwner,
@@ -463,13 +470,8 @@ describe.only('matchOrders', () => {
                 takerAddress,
                 erc20BalancesByOwner,
                 erc721TokenIdsByOwner,
+                expectedTransferAmounts
             );
-            // Verify left order was partially filled
-            const leftOrderInfo: OrderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrderLeft);
-            expect(leftOrderInfo.orderStatus as OrderStatus).to.be.equal(OrderStatus.FILLABLE);
-            // Verify right order was fully filled
-            const rightOrderInfo: OrderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrderRight);
-            expect(rightOrderInfo.orderStatus as OrderStatus).to.be.equal(OrderStatus.FULLY_FILLED);
             // Construct second right order
             // Note: This order needs makerAssetAmount=90/takerAssetAmount=[anything <= 45] to fully fill the right order.
             //       However, we use 100/50 to ensure a partial fill as we want to go down the "left fill"
@@ -478,24 +480,34 @@ describe.only('matchOrders', () => {
                 makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 18),
                 takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(50), 18),
             });
+
             // Match signedOrderLeft with signedOrderRight2
             const leftTakerAssetFilledAmount = signedOrderRight.makerAssetAmount;
             const rightTakerAssetFilledAmount = new BigNumber(0);
+            const expectedTransferAmounts2 = {
+                // Left Maker
+                amountSoldByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(45), 18),
+                amountBoughtByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(90), 18),
+                feePaidByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(90), 16), // 90% (10% paid earlier)
+                // Right Maker
+                amountSoldByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(90), 18),
+                amountBoughtByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(45), 18),
+                feePaidByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(90), 16), // 90%
+                // Taker
+                amountReceivedByTaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(0), 18),
+                feePaidByTakerLeft: Web3Wrapper.toBaseUnitAmount(new BigNumber(90), 16), // 90% (10% paid earlier)
+                feePaidByTakerRight: Web3Wrapper.toBaseUnitAmount(new BigNumber(90), 16), // 90%
+            };
             await matchOrderTester.matchOrdersAndVerifyBalancesAsync(
                 signedOrderLeft,
                 signedOrderRight2,
                 takerAddress,
                 newERC20BalancesByOwner,
-                erc721TokenIdsByOwner,
+                newERC721TokenIdsByOwner,
+                expectedTransferAmounts2,
                 leftTakerAssetFilledAmount,
                 rightTakerAssetFilledAmount,
             );
-            // Verify left order was fully filled
-            const leftOrderInfo2: OrderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrderLeft);
-            expect(leftOrderInfo2.orderStatus as OrderStatus).to.be.equal(OrderStatus.FULLY_FILLED);
-            // Verify second right order was partially filled
-            const rightOrderInfo2: OrderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrderRight2);
-            expect(rightOrderInfo2.orderStatus as OrderStatus).to.be.equal(OrderStatus.FILLABLE);
         });
 
         it('should transfer the correct amounts when consecutive calls are used to completely fill the right order', async () => {
@@ -512,6 +524,20 @@ describe.only('matchOrders', () => {
             // Match orders
             let newERC20BalancesByOwner: ERC20BalancesByOwner;
             let newERC721TokenIdsByOwner: ERC721TokenIdsByOwner;
+            const expectedTransferAmounts = {
+                // Left Maker
+                amountSoldByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+                amountBoughtByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(2), 18),
+                feePaidByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+                // Right Maker
+                amountSoldByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(2), 18),
+                amountBoughtByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(4), 18),
+                feePaidByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(4), 16), // 4%
+                // Taker
+                amountReceivedByTaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(6), 18),
+                feePaidByTakerLeft: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+                feePaidByTakerRight: Web3Wrapper.toBaseUnitAmount(new BigNumber(4), 16), // 4%
+            };
             // prettier-ignore
             [
                 newERC20BalancesByOwner,
@@ -523,13 +549,9 @@ describe.only('matchOrders', () => {
                 takerAddress,
                 erc20BalancesByOwner,
                 erc721TokenIdsByOwner,
+                expectedTransferAmounts
             );
-            // Verify left order was partially filled
-            const leftOrderInfo: OrderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrderLeft);
-            expect(leftOrderInfo.orderStatus as OrderStatus).to.be.equal(OrderStatus.FULLY_FILLED);
-            // Verify right order was fully filled
-            const rightOrderInfo: OrderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrderRight);
-            expect(rightOrderInfo.orderStatus as OrderStatus).to.be.equal(OrderStatus.FILLABLE);
+
             // Create second left order
             // Note: This order needs makerAssetAmount=96/takerAssetAmount=48 to fully fill the right order.
             //       However, we use 100/50 to ensure a partial fill as we want to go down the "right fill"
@@ -544,23 +566,58 @@ describe.only('matchOrders', () => {
                 erc20BalancesByOwner[takerAddress][defaultERC20MakerAssetAddress],
             );
             const rightTakerAssetFilledAmount = signedOrderLeft.makerAssetAmount.minus(takerAmountReceived);
+            const expectedTransferAmounts2 = {
+                // Left Maker
+                amountSoldByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(96), 18),
+                amountBoughtByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(48), 18),
+                feePaidByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(96), 16), // 96%
+                // Right Maker
+                amountSoldByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(48), 18),
+                amountBoughtByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(96), 18),
+                feePaidByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(96), 16), // 96%
+                // Taker
+                amountReceivedByTaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(0), 18),
+                feePaidByTakerLeft: Web3Wrapper.toBaseUnitAmount(new BigNumber(96), 16), // 96%
+                feePaidByTakerRight: Web3Wrapper.toBaseUnitAmount(new BigNumber(96), 16), // 96%
+            };
             await matchOrderTester.matchOrdersAndVerifyBalancesAsync(
                 signedOrderLeft2,
                 signedOrderRight,
                 takerAddress,
                 newERC20BalancesByOwner,
-                erc721TokenIdsByOwner,
+                newERC721TokenIdsByOwner,
+                expectedTransferAmounts2,
                 leftTakerAssetFilledAmount,
                 rightTakerAssetFilledAmount,
             );
-            // Verify second left order was partially filled
-            const leftOrderInfo2: OrderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrderLeft2);
-            expect(leftOrderInfo2.orderStatus as OrderStatus).to.be.equal(OrderStatus.FILLABLE);
-            // Verify right order was fully filled
-            const rightOrderInfo2: OrderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrderRight);
-            expect(rightOrderInfo2.orderStatus as OrderStatus).to.be.equal(OrderStatus.FULLY_FILLED);
         });
 
+        /*
+            // Match signedOrderLeft with signedOrderRight
+            const expectedTransferAmounts = {
+                // Left Maker
+                amountSoldByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(), 18),
+                amountBoughtByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(), 18),
+                feePaidByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(), 16), // 10%
+                // Right Maker
+                amountSoldByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(), 18),
+                amountBoughtByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(), 18),
+                feePaidByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(), 16), // 100%
+                // Taker
+                amountReceivedByTaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(), 18),
+                feePaidByTakerLeft: Web3Wrapper.toBaseUnitAmount(new BigNumber(), 16), // 100%
+                feePaidByTakerRight: Web3Wrapper.toBaseUnitAmount(new BigNumber(), 16), // 50%
+            };
+            await matchOrderTester.matchOrdersAndVerifyBalancesAsync(
+                signedOrderLeft,
+                signedOrderRight,
+                takerAddress,
+                erc20BalancesByOwner,
+                erc721TokenIdsByOwner,
+                expectedTransferAmounts
+            );
+
+        */
         it('should transfer the correct amounts if fee recipient is the same across both matched orders', async () => {
             const feeRecipientAddress = feeRecipientAddressLeft;
             const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
@@ -574,12 +631,27 @@ describe.only('matchOrders', () => {
                 feeRecipientAddress,
             });
             // Match orders
+            const expectedTransferAmounts = {
+                // Left Maker
+                amountSoldByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
+                amountBoughtByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+                feePaidByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+                // Right Maker
+                amountSoldByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+                amountBoughtByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(2), 18),
+                feePaidByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+                // Taker
+                amountReceivedByTaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(3), 18),
+                feePaidByTakerLeft: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16),
+                feePaidByTakerRight: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16),
+            };
             await matchOrderTester.matchOrdersAndVerifyBalancesAsync(
                 signedOrderLeft,
                 signedOrderRight,
                 takerAddress,
                 erc20BalancesByOwner,
                 erc721TokenIdsByOwner,
+                expectedTransferAmounts,
             );
         });
 
@@ -595,12 +667,27 @@ describe.only('matchOrders', () => {
             });
             // Match orders
             takerAddress = signedOrderLeft.makerAddress;
+            const expectedTransferAmounts = {
+                // Left Maker
+                amountSoldByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
+                amountBoughtByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+                feePaidByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+                // Right Maker
+                amountSoldByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+                amountBoughtByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(2), 18),
+                feePaidByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+                // Taker
+                amountReceivedByTaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(3), 18),
+                feePaidByTakerLeft: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16),
+                feePaidByTakerRight: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16),
+            };
             await matchOrderTester.matchOrdersAndVerifyBalancesAsync(
                 signedOrderLeft,
                 signedOrderRight,
                 takerAddress,
                 erc20BalancesByOwner,
                 erc721TokenIdsByOwner,
+                expectedTransferAmounts,
             );
         });
 
@@ -616,12 +703,27 @@ describe.only('matchOrders', () => {
             });
             // Match orders
             takerAddress = signedOrderRight.makerAddress;
+            const expectedTransferAmounts = {
+                // Left Maker
+                amountSoldByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
+                amountBoughtByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+                feePaidByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+                // Right Maker
+                amountSoldByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+                amountBoughtByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(2), 18),
+                feePaidByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+                // Taker
+                amountReceivedByTaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(3), 18),
+                feePaidByTakerLeft: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16),
+                feePaidByTakerRight: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16),
+            };
             await matchOrderTester.matchOrdersAndVerifyBalancesAsync(
                 signedOrderLeft,
                 signedOrderRight,
                 takerAddress,
                 erc20BalancesByOwner,
                 erc721TokenIdsByOwner,
+                expectedTransferAmounts,
             );
         });
 
@@ -637,12 +739,27 @@ describe.only('matchOrders', () => {
             });
             // Match orders
             takerAddress = feeRecipientAddressLeft;
+            const expectedTransferAmounts = {
+                // Left Maker
+                amountSoldByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
+                amountBoughtByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+                feePaidByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+                // Right Maker
+                amountSoldByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+                amountBoughtByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(2), 18),
+                feePaidByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+                // Taker
+                amountReceivedByTaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(3), 18),
+                feePaidByTakerLeft: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16),
+                feePaidByTakerRight: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16),
+            };
             await matchOrderTester.matchOrdersAndVerifyBalancesAsync(
                 signedOrderLeft,
                 signedOrderRight,
                 takerAddress,
                 erc20BalancesByOwner,
                 erc721TokenIdsByOwner,
+                expectedTransferAmounts,
             );
         });
 
@@ -658,12 +775,27 @@ describe.only('matchOrders', () => {
             });
             // Match orders
             takerAddress = feeRecipientAddressRight;
+            const expectedTransferAmounts = {
+                // Left Maker
+                amountSoldByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
+                amountBoughtByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+                feePaidByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+                // Right Maker
+                amountSoldByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+                amountBoughtByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(2), 18),
+                feePaidByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+                // Taker
+                amountReceivedByTaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(3), 18),
+                feePaidByTakerLeft: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16),
+                feePaidByTakerRight: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16),
+            };
             await matchOrderTester.matchOrdersAndVerifyBalancesAsync(
                 signedOrderLeft,
                 signedOrderRight,
                 takerAddress,
                 erc20BalancesByOwner,
                 erc721TokenIdsByOwner,
+                expectedTransferAmounts,
             );
         });
 
@@ -678,12 +810,27 @@ describe.only('matchOrders', () => {
                 takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(2), 18),
             });
             // Match orders
+            const expectedTransferAmounts = {
+                // Left Maker
+                amountSoldByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
+                amountBoughtByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+                feePaidByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+                // Right Maker
+                amountSoldByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+                amountBoughtByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(2), 18),
+                feePaidByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+                // Taker
+                amountReceivedByTaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(3), 18),
+                feePaidByTakerLeft: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16),
+                feePaidByTakerRight: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16),
+            };
             await matchOrderTester.matchOrdersAndVerifyBalancesAsync(
                 signedOrderLeft,
                 signedOrderRight,
                 takerAddress,
                 erc20BalancesByOwner,
                 erc721TokenIdsByOwner,
+                expectedTransferAmounts,
             );
         });
 
@@ -796,22 +943,31 @@ describe.only('matchOrders', () => {
                 takerAssetAmount: new BigNumber(1),
             });
             // Match orders
+            const expectedTransferAmounts = {
+                // Left Maker
+                amountSoldByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(1), 0),
+                amountBoughtByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+                feePaidByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+                // Right Maker
+                amountSoldByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+                amountBoughtByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(1), 0),
+                feePaidByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+                // Taker
+                amountReceivedByTaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(0), 18),
+                feePaidByTakerLeft: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+                feePaidByTakerRight: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 50%
+            };
             await matchOrderTester.matchOrdersAndVerifyBalancesAsync(
                 signedOrderLeft,
                 signedOrderRight,
                 takerAddress,
                 erc20BalancesByOwner,
                 erc721TokenIdsByOwner,
+                expectedTransferAmounts,
             );
-            // Verify left order was fully filled
-            const leftOrderInfo: OrderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrderLeft);
-            expect(leftOrderInfo.orderStatus as OrderStatus).to.be.equal(OrderStatus.FULLY_FILLED);
-            // Verify right order was fully filled
-            const rightOrderInfo: OrderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrderRight);
-            expect(rightOrderInfo.orderStatus as OrderStatus).to.be.equal(OrderStatus.FULLY_FILLED);
         });
 
-        it('should transfer correct amounts when right order maker asset is an ERC721 token', async () => {
+        it.only('should transfer correct amounts when right order maker asset is an ERC721 token', async () => {
             // Create orders to match
             const erc721TokenToTransfer = erc721RightMakerAssetIds[0];
             const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
@@ -822,22 +978,31 @@ describe.only('matchOrders', () => {
             const signedOrderRight = await orderFactoryRight.newSignedOrderAsync({
                 makerAssetData: assetDataUtils.encodeERC721AssetData(defaultERC721AssetAddress, erc721TokenToTransfer),
                 makerAssetAmount: new BigNumber(1),
-                takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+                takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(8), 18),
             });
             // Match orders
+            const expectedTransferAmounts = {
+                // Left Maker
+                amountSoldByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
+                amountBoughtByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(1), 0),
+                feePaidByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+                // Right Maker
+                amountSoldByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(1), 0),
+                amountBoughtByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(8), 18),
+                feePaidByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+                // Taker
+                amountReceivedByTaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(2), 18),
+                feePaidByTakerLeft: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
+                feePaidByTakerRight: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 50%
+            };
             await matchOrderTester.matchOrdersAndVerifyBalancesAsync(
                 signedOrderLeft,
                 signedOrderRight,
                 takerAddress,
                 erc20BalancesByOwner,
                 erc721TokenIdsByOwner,
+                expectedTransferAmounts,
             );
-            // Verify left order was fully filled
-            const leftOrderInfo: OrderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrderLeft);
-            expect(leftOrderInfo.orderStatus as OrderStatus).to.be.equal(OrderStatus.FULLY_FILLED);
-            // Verify right order was fully filled
-            const rightOrderInfo: OrderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrderRight);
-            expect(rightOrderInfo.orderStatus as OrderStatus).to.be.equal(OrderStatus.FULLY_FILLED);
-        });*/
+        });
     });
 }); // tslint:disable-line:max-file-line-count
diff --git a/packages/contracts/test/utils/match_order_tester.ts b/packages/contracts/test/utils/match_order_tester.ts
index c412595f5..00816e7d4 100644
--- a/packages/contracts/test/utils/match_order_tester.ts
+++ b/packages/contracts/test/utils/match_order_tester.ts
@@ -202,8 +202,6 @@ export class MatchOrderTester {
         erc20BalancesByOwner: ERC20BalancesByOwner,
         erc721TokenIdsByOwner: ERC721TokenIdsByOwner,
         expectedTransferAmounts: TransferAmounts,
-        leftOrderEndState: OrderStatus,
-        rightOrderEndState: OrderStatus,
         initialTakerAssetFilledAmountLeft?: BigNumber,
         initialTakerAssetFilledAmountRight?: BigNumber,
     ): Promise<[ERC20BalancesByOwner, ERC721TokenIdsByOwner]> {
@@ -234,7 +232,9 @@ export class MatchOrderTester {
             signedOrderRight,
             orderTakerAssetFilledAmountLeft,
             orderTakerAssetFilledAmountRight,
-            expectedTransferAmounts
+            expectedTransferAmounts,
+            initialTakerAssetFilledAmountLeft,
+            initialTakerAssetFilledAmountRight
         );
         // Verify balances of makers, taker, and fee recipients
         await this._verifyBalancesAsync(
@@ -308,7 +308,9 @@ export class MatchOrderTester {
         signedOrderRight: SignedOrder,
         orderTakerAssetFilledAmountLeft: BigNumber,
         orderTakerAssetFilledAmountRight: BigNumber,
-        expectedTransferAmounts: TransferAmounts
+        expectedTransferAmounts: TransferAmounts,
+        initialTakerAssetFilledAmountLeft?: BigNumber,
+        initialTakerAssetFilledAmountRight?: BigNumber
     ) {
         // Verify state for left order: amount bought by left maker
         let amountBoughtByLeftMaker = await this._exchangeWrapper.getTakerAssetFilledAmountAsync(
@@ -323,12 +325,18 @@ export class MatchOrderTester {
         amountBoughtByRightMaker = amountBoughtByRightMaker.minus(orderTakerAssetFilledAmountRight);
         expect(expectedTransferAmounts.amountBoughtByRightMaker, "Checking exchange state for right order").to.be.bignumber.equal(amountBoughtByRightMaker);
         // Verify left order status
+        const maxAmountBoughtByLeftMaker = initialTakerAssetFilledAmountLeft
+            ? signedOrderLeft.takerAssetAmount.sub(initialTakerAssetFilledAmountLeft)
+            : signedOrderLeft.takerAssetAmount;
         const leftOrderInfo: OrderInfo = await this._exchangeWrapper.getOrderInfoAsync(signedOrderLeft);
-        const leftExpectedStatus = (expectedTransferAmounts.amountBoughtByLeftMaker.equals(signedOrderLeft.takerAssetAmount)) ? OrderStatus.FULLY_FILLED : OrderStatus.FILLABLE;
+        const leftExpectedStatus = (expectedTransferAmounts.amountBoughtByLeftMaker.equals(maxAmountBoughtByLeftMaker)) ? OrderStatus.FULLY_FILLED : OrderStatus.FILLABLE;
         expect(leftOrderInfo.orderStatus as OrderStatus, "Checking exchange status for left order").to.be.equal(leftExpectedStatus);
         // Verify right order status
+        const maxAmountBoughtByRightMaker = initialTakerAssetFilledAmountRight
+            ? signedOrderRight.takerAssetAmount.sub(initialTakerAssetFilledAmountRight)
+            : signedOrderRight.takerAssetAmount;
         const rightOrderInfo: OrderInfo = await this._exchangeWrapper.getOrderInfoAsync(signedOrderRight);
-        const rightExpectedStatus = (expectedTransferAmounts.amountBoughtByRightMaker.equals(signedOrderRight.takerAssetAmount)) ? OrderStatus.FULLY_FILLED : OrderStatus.FILLABLE;
+        const rightExpectedStatus = (expectedTransferAmounts.amountBoughtByRightMaker.equals(maxAmountBoughtByRightMaker)) ? OrderStatus.FULLY_FILLED : OrderStatus.FILLABLE;
         expect(rightOrderInfo.orderStatus as OrderStatus, "Checking exchange status for right order").to.be.equal(rightExpectedStatus);
     }
     /// @dev Calculates the expected balances of order makers, fee recipients, and the taker,