From 2166f57750fba6e0e6d44f862cb57f5823c2d782 Mon Sep 17 00:00:00 2001
From: Steve Klebanoff <steve.klebanoff@gmail.com>
Date: Wed, 23 Jan 2019 12:51:26 -0800
Subject: Assert that assetData is a string before we try to decode it

---
 packages/asset-buyer/src/asset_buyer.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/asset-buyer/src/asset_buyer.ts b/packages/asset-buyer/src/asset_buyer.ts
index ad4b3bb60..b22b1a122 100644
--- a/packages/asset-buyer/src/asset_buyer.ts
+++ b/packages/asset-buyer/src/asset_buyer.ts
@@ -193,6 +193,7 @@ export class AssetBuyer {
     ): Promise<LiquidityForAssetData> {
         const shouldForceOrderRefresh =
             options.shouldForceOrderRefresh !== undefined ? options.shouldForceOrderRefresh : false;
+        assert.isString('assetData', assetData);
         assetDataUtils.decodeAssetDataOrThrow(assetData);
         assert.isBoolean('options.shouldForceOrderRefresh', shouldForceOrderRefresh);
 
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