3 files changed, 6 insertions, 24 deletions
diff --git a/packages/contracts/src/utils/exchange_wrapper.ts b/packages/contracts/src/utils/exchange_wrapper.ts
index 3f56fd52f..bbe9a1baf 100644
--- a/packages/contracts/src/utils/exchange_wrapper.ts
+++ b/packages/contracts/src/utils/exchange_wrapper.ts
@@ -34,17 +34,9 @@ export class ExchangeWrapper {
         const tx = await this._getTxWithDecodedExchangeLogsAsync(txHash);
         return tx;
     }
-    public async cancelOrderAsync(
-        signedOrder: SignedOrder,
-        from: string,
-        opts: { takerTokenCancelAmount?: BigNumber } = {},
-    ): Promise<TransactionReceiptWithDecodedLogs> {
-        const params = orderUtils.createCancel(signedOrder, opts.takerTokenCancelAmount);
-        const txHash = await this._exchange.cancelOrder.sendTransactionAsync(
-            params.order,
-            params.takerTokenCancelAmount,
-            { from },
-        );
+    public async cancelOrderAsync(signedOrder: SignedOrder, from: string): Promise<TransactionReceiptWithDecodedLogs> {
+        const params = orderUtils.createCancel(signedOrder);
+        const txHash = await this._exchange.cancelOrder.sendTransactionAsync(params.order, { from });
         const tx = await this._getTxWithDecodedExchangeLogsAsync(txHash);
         return tx;
     }
@@ -156,14 +148,9 @@ export class ExchangeWrapper {
     public async batchCancelOrdersAsync(
         orders: SignedOrder[],
         from: string,
-        opts: { takerTokenCancelAmounts?: BigNumber[] } = {},
     ): Promise<TransactionReceiptWithDecodedLogs> {
-        const params = formatters.createBatchCancel(orders, opts.takerTokenCancelAmounts);
-        const txHash = await this._exchange.batchCancelOrders.sendTransactionAsync(
-            params.orders,
-            params.takerTokenCancelAmounts,
-            { from },
-        );
+        const params = formatters.createBatchCancel(orders);
+        const txHash = await this._exchange.batchCancelOrders.sendTransactionAsync(params.orders, { from });
         const tx = await this._getTxWithDecodedExchangeLogsAsync(txHash);
         return tx;
     }
diff --git a/packages/contracts/src/utils/formatters.ts b/packages/contracts/src/utils/formatters.ts
index 4f6116f06..2b261f967 100644
--- a/packages/contracts/src/utils/formatters.ts
+++ b/packages/contracts/src/utils/formatters.ts
@@ -55,10 +55,9 @@ export const formatters = {
         });
         return marketFillOrders;
     },
-    createBatchCancel(signedOrders: SignedOrder[], takerTokenCancelAmounts: BigNumber[] = []) {
+    createBatchCancel(signedOrders: SignedOrder[]) {
         const batchCancel: BatchCancelOrders = {
             orders: [],
-            takerTokenCancelAmounts,
         };
         _.forEach(signedOrders, signedOrder => {
             batchCancel.orders.push({
@@ -74,9 +73,6 @@ export const formatters = {
                 expirationTimeSeconds: signedOrder.expirationTimeSeconds,
                 salt: signedOrder.salt,
             });
-            if (takerTokenCancelAmounts.length < signedOrders.length) {
-                batchCancel.takerTokenCancelAmounts.push(signedOrder.takerTokenAmount);
-            }
         });
         return batchCancel;
     },
diff --git a/packages/contracts/src/utils/types.ts b/packages/contracts/src/utils/types.ts
index 06fe23824..460d0a58a 100644
--- a/packages/contracts/src/utils/types.ts
+++ b/packages/contracts/src/utils/types.ts
@@ -25,7 +25,6 @@ export interface MarketFillOrders {
 
 export interface BatchCancelOrders {
     orders: OrderStruct[];
-    takerTokenCancelAmounts: BigNumber[];
 }
 
 export interface CancelOrdersBefore {