chore: readability and comments

Author: samsiegart

packages/example/src/components/WalletDetails.tsx

@@ -18,8 +18,9 @@ const WalletDetails = () => {
       <div>
         <p>
           Purses:{' '}
-          {purses?.length
-            ? purses
+          {purses === undefined
+            ? 'Loading...'
+            : purses
                 .map(
                   (p: PurseJSONState<'nat' | 'copyBag' | 'set' | 'copySet'>) =>
                     p.brandPetname +
@@ -30,8 +31,7 @@ const WalletDetails = () => {
                       p.displayInfo.decimalPlaces,
                     ),
                 )
-                .join(', ')
-            : 'Loading...'}
+                .join(', ')}
         </p>
       </div>
       <div style={{ display: 'flex', alignItems: 'center' }}></div>

packages/example/src/hooks/useWalletManager.ts

@@ -23,6 +23,7 @@ export const useWalletManager = () => {
       await window.keplr.enable(CHAIN_ID);
       const signer = await window.keplr.getOfflineSignerOnlyAmino(CHAIN_ID);
 
+      // Assumes that the signer will have one account per keplr docs.
       const [account] = await signer.getAccounts();
       if (!account) {
         throw new Error(