From 464e761053e1f84a05dbc6af2512effafa8d6350 Mon Sep 17 00:00:00 2001
From: Leonid Logvinov <logvinov.leon@gmail.com>
Date: Thu, 8 Jun 2017 12:03:14 +0200
Subject: Add getOrderHashHexUsingContractCallAsync

---
 src/contract_wrappers/exchange_wrapper.ts | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src')

diff --git a/src/contract_wrappers/exchange_wrapper.ts b/src/contract_wrappers/exchange_wrapper.ts
index d144d8aad..9cb2332fe 100644
--- a/src/contract_wrappers/exchange_wrapper.ts
+++ b/src/contract_wrappers/exchange_wrapper.ts
@@ -342,6 +342,12 @@ export class ExchangeWrapper extends ContractWrapper {
         const orderHashHex = utils.getOrderHashHex(order, exchangeInstance.address);
         return orderHashHex;
     }
+    private async getOrderHashHexUsingContractCallAsync(order: Order|SignedOrder): Promise<string> {
+        const exchangeInstance = await this.getExchangeContractAsync();
+        const [orderAddresses, orderValues] = ExchangeWrapper.getOrderAddressesAndValues(order);
+        const orderHashHex = await exchangeInstance.getOrderHash.call(orderAddresses, orderValues);
+        return orderHashHex;
+    }
     private async stopWatchingExchangeLogEventsAsync() {
         const stopWatchingPromises = _.map(this.exchangeLogEventObjs, logEventObj => {
             return promisify(logEventObj.stopWatching, logEventObj)();
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