Catch uncaught transaction errors

apps/remix-ide/src/blockchain/blockchain.js

@@ -617,9 +617,18 @@ export class Blockchain extends Plugin {
         const timestamp = tx.timestamp
 
         this.event.trigger('initiatingTransaction', [timestamp, tx, payLoad])
+        try {
           this.txRunner.rawRun(tx, confirmationCb, continueCb, promptCb,
             async (error, result) => {
-            if (error) return reject(error)
+              if (error) {
+                if (typeof (error) !== 'string') {
+                  if (error.message) error = error.message
+                  else {
+                    try { error = 'error: ' + JSON.stringify(error) } catch (e) { console.log(e) }
+                  }
+                }
+                return reject(error)
+              }
   
               const isVM = this.executionContext.isVM()
               if (isVM && tx.useCall) {
@@ -630,17 +639,21 @@ export class Blockchain extends Plugin {
                 }
               }
               const eventName = (tx.useCall ? 'callExecuted' : 'transactionExecuted')
-            this.event.trigger(eventName, [error, tx.from, tx.to, tx.data, tx.useCall, result, timestamp, payLoad])
 
+              this.event.trigger(eventName, [error, tx.from, tx.to, tx.data, tx.useCall, result, timestamp, payLoad])
+              return resolve({ result, tx })
+            }
+          )
+        } catch (err) {
+          let error = err
           if (error && (typeof (error) !== 'string')) {
             if (error.message) error = error.message
             else {
               try { error = 'error: ' + JSON.stringify(error) } catch (e) { console.log(e) }
             }
           }
-            return resolve({ result, tx })
+          return reject(error)
         }
-        )
       })
     }
     try {