fix displaying menu when tx is still ongoing

src/provider.js

@@ -30,7 +30,6 @@ class Provider {
           //} else {
             this.accounts.push(this.web3.eth.accounts.privateKeyToAccount('0x' + wallet.getPrivateKey().toString('hex')));
           //}
-
         }
       }
     }

src/trx-utils.js

@@ -1,6 +1,7 @@
 const Spinner = require('cli-spinner').Spinner;
 
 const executeAndWait = async (toSend, account) => {
+  return new Promise(async (resolve, reject) => {
     const spinner = new Spinner('%s');
     spinner.setSpinnerString(18);
     spinner.start();
@@ -10,11 +11,13 @@ const executeAndWait = async (toSend, account) => {
       const receipt = await toSend.send({from: account, gas: estimatedGas + 10000});
 
       spinner.stop(true);
-    return receipt;
+      return resolve(receipt);
     } catch(error) {
       console.log("Error: ", error.message);
       spinner.stop(true);
     }
+    resolve();
+  });
 }
 
 module.exports = {