From a44f77a83811146ad68ee6f56bcda94e56d6a634 Mon Sep 17 00:00:00 2001
From: fragosti <francesco.agosti93@gmail.com>
Date: Wed, 19 Sep 2018 18:38:50 +0200
Subject: Implement StandardRelayerAPIAssetBuyerManager

---
 packages/asset-buyer/src/utils/asset_data_utils.ts | 26 ++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 packages/asset-buyer/src/utils/asset_data_utils.ts

(limited to 'packages/asset-buyer/src/utils/asset_data_utils.ts')

diff --git a/packages/asset-buyer/src/utils/asset_data_utils.ts b/packages/asset-buyer/src/utils/asset_data_utils.ts
new file mode 100644
index 000000000..10ff31057
--- /dev/null
+++ b/packages/asset-buyer/src/utils/asset_data_utils.ts
@@ -0,0 +1,26 @@
+import { ContractWrappers } from '@0xproject/contract-wrappers';
+import { assetDataUtils as sharedAssetDataUtils } from '@0xproject/order-utils';
+import * as _ from 'lodash';
+
+import { AssetBuyerError } from '../types';
+
+export const assetDataUtils = {
+    ...sharedAssetDataUtils,
+    getEtherTokenAssetData(contractWrappers: ContractWrappers): string {
+        const etherTokenAddressIfExists = contractWrappers.etherToken.getContractAddressIfExists();
+        if (_.isUndefined(etherTokenAddressIfExists)) {
+            throw new Error(AssetBuyerError.NoEtherTokenContractFound);
+        }
+        const etherTokenAssetData = sharedAssetDataUtils.encodeERC20AssetData(etherTokenAddressIfExists);
+        return etherTokenAssetData;
+    },
+    getZrxTokenAssetData(contractWrappers: ContractWrappers): string {
+        let zrxTokenAssetData: string;
+        try {
+            zrxTokenAssetData = contractWrappers.exchange.getZRXAssetData();
+        } catch (err) {
+            throw new Error(AssetBuyerError.NoZrxTokenContractFound);
+        }
+        return zrxTokenAssetData;
+    },
+};
-- 
cgit