1 files changed, 27 insertions, 3 deletions
diff --git a/src/contract_wrappers/exchange_wrapper.ts b/src/contract_wrappers/exchange_wrapper.ts
index 47c49fad6..7ffcd824c 100644
--- a/src/contract_wrappers/exchange_wrapper.ts
+++ b/src/contract_wrappers/exchange_wrapper.ts
@@ -229,10 +229,34 @@ export class ExchangeWrapper extends ContractWrapper {
      */
     public async cancelOrderAsync(
         order: Order|SignedOrder, takerTokenCancelAmount: BigNumber.BigNumber): Promise<void> {
-        await this.batchCancelOrderAsync([{
-            order,
+        assert.doesConformToSchema('order',
+            SchemaValidator.convertToJSONSchemaCompatibleObject(order as object),
+            orderSchema);
+        assert.isBigNumber('takerTokenCancelAmount', takerTokenCancelAmount);
+        await assert.isSenderAddressAvailableAsync(this.web3Wrapper, 'order.maker', order.maker);
+
+        const exchangeInstance = await this.getExchangeContractAsync();
+        await this.validateCancelOrderAndThrowIfInvalidAsync(order, takerTokenCancelAmount);
+
+        const [orderAddresses, orderValues] = ExchangeWrapper.getOrderAddressesAndValues(order);
+        const gas = await exchangeInstance.cancel.estimateGas(
+            orderAddresses,
+            orderValues,
+            takerTokenCancelAmount,
+            {
+                from: order.maker,
+            },
+        );
+        const response: ContractResponse = await exchangeInstance.cancel(
+            orderAddresses,
+            orderValues,
             takerTokenCancelAmount,
-        }]);
+            {
+                from: order.maker,
+                gas,
+            },
+        );
+        this.throwErrorLogsAsErrors(response.logs);
     }
     /**
      * Batch version of cancelOrderAsync. Atomically cancels multiple orders in a single transaction.