Merge pull request #291 from Emurgo/fix/change-token-supply-api-format

update multi asset supply endpoint API
Emurgo · Nov 29, 2021 · 2f5db78 · 2f5db78
2 parents e2b4053 + 9bdfc2b
commit 2f5db78
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diff --git a/README.md b/README.md
@@ -536,7 +536,12 @@ We recommend querying using payment key hashes (`addr_vkh`) when possible (other
   Output
 
   ```js
-  // current supplies of given assets
-  Array<number>
+  {
+    // current supplies of given assets.
+    // entry for an asset is null if it is not found.
+    supplies: {
+      "${asset.policy}.${asset.name}": number | null
+    }
+  }
   ```
-</details>
+</details>
diff --git a/src/services/multiAssetSupply.ts b/src/services/multiAssetSupply.ts
@@ -14,15 +14,19 @@ export const handleGetMultiAssetSupply = (pool: Pool) => async (req: Request, re
 
   const assets: Asset[] = req.body.assets;
 
-  const ret = await Promise.all(assets.map(async (asset) => {
+  const supplies: {[key: string]: number} = {};
+
+  await Promise.all(assets.map(async (asset) => {
     const supply = await getMultiAssetSupply(pool, asset);
 
     const policyAndName = `${asset.policy}.${asset.name}`;
 
-    return supply;
+    supplies[policyAndName] = supply;
   }));
 
-  res.send(ret);
+  res.send({
+    supplies
+  });
 };
 
 const getMultiAssetSupply = async (pool: Pool, asset: Asset): Promise<number> => {