feat(instant): Handle AssetBuyer errors

1 files changed, 18 insertions, 0 deletions

diff --git a/packages/instant/src/util/asset_data.ts b/packages/instant/src/util/asset_data.ts
new file mode 100644
index 000000000..958f500bb
--- /dev/null
+++ b/packages/instant/src/util/asset_data.ts
@@ -0,0 +1,18 @@
+import { AssetProxyId } from '@0xproject/types';
+
+import { assetMetaData } from '../data/asset_meta_data';
+
+// TODO: tests for this
+export const bestNameForAsset = (assetData: string | undefined, defaultString: string) => {
+    if (assetData === undefined) {
+        return defaultString;
+    }
+    const metaData = assetMetaData[assetData];
+    if (metaData === undefined) {
+        return defaultString;
+    }
+    if (metaData.assetProxyId === AssetProxyId.ERC20) {
+        return metaData.symbol.toUpperCase();
+    }
+    return defaultString;
+};