fix: enable password unprotected wallets

lib/plugins/wallet/monerod/monerod.js

@@ -64,6 +64,12 @@ function handleError (error, method) {
       }
     case -21:
       throw new Error('Wallet already exists!')
+    case -22:
+      try {
+        return openWalletWithPassword()
+      } catch {
+        throw new Error('Invalid wallet password!')
+      }
     case -17:
       throw new E.InsufficientFundsError()
     case -37:
@@ -80,11 +86,16 @@ function handleError (error, method) {
 }
 
 function openWallet () {
+  return fetch('open_wallet', { filename: 'Wallet' })
+    .catch(err => handleError(err, 'openWallet'))
+}
+
+function openWalletWithPassword () {
   return fetch('open_wallet', { filename: 'Wallet', password: rpcConfig().password })
 }
 
 function createWallet () {
-  return fetch('create_wallet', { filename: 'Wallet', password: rpcConfig().password, language: 'English' })
+  return fetch('create_wallet', { filename: 'Wallet', language: 'English' })
     .then(() => new Promise(() => setTimeout(() => openWallet(), 3000)))
     .then(() => fetch('auto_refresh'))
 }