Merge #887: Qt: Clear single send form after successful send

79493749d9 Clear single send form after successful send (Kristaps Kaupe)

Pull request description:

  Helps to avoid accidental sending twice to the same recipient and also clears fields for the user who needed to do it manually if doing more than one send in a single JoinMarketQt session.

Top commit has no ACKs.

Tree-SHA512: 1f79663d1d24718d038972d3b5d670f1a00f038b5169a627c82657154b3587c515b7c9fe99924208dc21e32ddb2e38d0cb8bab54cbe359585e0e459d94f5bbfc

scripts/joinmarket-qt.py

@@ -720,6 +720,7 @@ class SpendTab(QWidget):
             return False
 
     def infoDirectSend(self, msg):
+        self.clearFields(None)
         JMQtMessageBox(self, msg, title="Success")
 
     def errorDirectSend(self, msg):
@@ -996,6 +997,7 @@ class SpendTab(QWidget):
             mainWindow.statusBar().showMessage(
                 "Transaction seen on network: " + self.taker.txid)
             if self.spendstate.typestate == 'single':
+                self.clearFields(None)
                 JMQtMessageBox(self, "Transaction broadcast OK. You can safely \n"
                                "shut down if you don't want to wait.",
                                title="Success")