Querying decimals instead of hardcode

Fixes w3f/1k-validators-be-PRIVATE#86
w3f · Jun 7, 2024 · 70b6ae9 · 70b6ae9
1 parent 9e38047
commit 70b6ae9
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Showing 2 changed files with 11 additions and 7 deletions.
diff --git a/packages/common/src/chaindata/queries/ChainMeta.ts b/packages/common/src/chaindata/queries/ChainMeta.ts
@@ -31,13 +31,10 @@ export const getDenom = async (
   try {
     const api = await chaindata.handler.getApi();
 
-    const chainType = await api.rpc.system.chain();
-    if (!chainType) {
-      return null;
-    }
-    const denom =
-      chainType.toString() == "Polkadot" ? 10000000000 : 1000000000000;
-    return denom;
+    const chainProps = await api.registry.getChainProperties();
+    const decimals = chainProps.tokenDecimals.toJSON()[0];
+
+    return 10 ** decimals;
   } catch (e) {
     await handleError(chaindata, e, "getDenom", HandlerType.RelayHandler);
     return null;

diff --git a/packages/common/test/scorekeeper/NumNominations.unit.test.ts b/packages/common/test/scorekeeper/NumNominations.unit.test.ts
@@ -63,6 +63,13 @@ describe("autoNumNominations", () => {
           }),
         },
       },
+      registry: {
+        getChainProperties: vi.fn().mockResolvedValue({
+          tokenDecimals: {
+            toJSON: vi.fn().mockImplementation(() => [10]),
+          },
+        }),
+      },
     });
 
     const relayApiHandler = new ApiHandler(KusamaEndpoints);