Provide basic example of custom types (#17)

* Provide basic example of custom types * Update src/App.jsx
substrate-developer-hub · Sep 4, 2019 · 800bd2b · 800bd2b
1 parent 7411e1d
commit 800bd2b
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/src/App.jsx b/src/App.jsx
@@ -22,11 +22,18 @@ export default function App() {
   const [accountLoaded, setaccountLoaded] = useState(false);
   //const WS_PROVIDER = "ws://127.0.0.1:9944";
   const WS_PROVIDER = 'wss://dev-node.substrate.dev:9944';
+  const TYPES = {};
+  //const TYPES = {"MyNumber": "u32"};
+  // More information on custom types
+  // https://github.com/polkadot-js/apps/blob/master/packages/app-settings/src/md/basics.md
 
   useEffect(() => {
     const provider = new WsProvider(WS_PROVIDER);
 
-    ApiPromise.create({ provider })
+    ApiPromise.create({
+      provider,
+      types: TYPES,
+    })
       .then(api => {
         setApi(api);
         api.isReady.then(() => setApiReady(true));