1 files changed, 10 insertions, 16 deletions

diff --git a/src/qt/signverifymessagedialog.cpp b/src/qt/signverifymessagedialog.cpp
index 0950ed0234..cba9d4da38 100644
--- a/src/qt/signverifymessagedialog.cpp
+++ b/src/qt/signverifymessagedialog.cpp
@@ -117,16 +117,14 @@ void SignVerifyMessageDialog::on_signMessageButton_SM_clicked()
     /* Clear old signature to ensure users don't get confused on error with an old signature displayed */
     ui->signatureOut_SM->clear();
 
-    CBitcoinAddress addr(ui->addressIn_SM->text().toStdString());
-    if (!addr.IsValid())
-    {
+    CTxDestination destination = DecodeDestination(ui->addressIn_SM->text().toStdString());
+    if (!IsValidDestination(destination)) {
         ui->statusLabel_SM->setStyleSheet("QLabel { color: red; }");
         ui->statusLabel_SM->setText(tr("The entered address is invalid.") + QString(" ") + tr("Please check the address and try again."));
         return;
     }
-    CKeyID keyID;
-    if (!addr.GetKeyID(keyID))
-    {
+    const CKeyID* keyID = boost::get<CKeyID>(&destination);
+    if (!keyID) {
         ui->addressIn_SM->setValid(false);
         ui->statusLabel_SM->setStyleSheet("QLabel { color: red; }");
         ui->statusLabel_SM->setText(tr("The entered address does not refer to a key.") + QString(" ") + tr("Please check the address and try again."));
@@ -142,7 +140,7 @@ void SignVerifyMessageDialog::on_signMessageButton_SM_clicked()
     }
 
     CKey key;
-    if (!model->getPrivKey(keyID, key))
+    if (!model->getPrivKey(*keyID, key))
     {
         ui->statusLabel_SM->setStyleSheet("QLabel { color: red; }");
         ui->statusLabel_SM->setText(tr("Private key for the entered address is not available."));
@@ -164,7 +162,7 @@ void SignVerifyMessageDialog::on_signMessageButton_SM_clicked()
     ui->statusLabel_SM->setStyleSheet("QLabel { color: green; }");
     ui->statusLabel_SM->setText(QString("<nobr>") + tr("Message signed.") + QString("</nobr>"));
 
-    ui->signatureOut_SM->setText(QString::fromStdString(EncodeBase64(&vchSig[0], vchSig.size())));
+    ui->signatureOut_SM->setText(QString::fromStdString(EncodeBase64(vchSig.data(), vchSig.size())));
 }
 
 void SignVerifyMessageDialog::on_copySignatureButton_SM_clicked()
@@ -197,16 +195,13 @@ void SignVerifyMessageDialog::on_addressBookButton_VM_clicked()
 
 void SignVerifyMessageDialog::on_verifyMessageButton_VM_clicked()
 {
-    CBitcoinAddress addr(ui->addressIn_VM->text().toStdString());
-    if (!addr.IsValid())
-    {
+    CTxDestination destination = DecodeDestination(ui->addressIn_VM->text().toStdString());
+    if (!IsValidDestination(destination)) {
         ui->statusLabel_VM->setStyleSheet("QLabel { color: red; }");
         ui->statusLabel_VM->setText(tr("The entered address is invalid.") + QString(" ") + tr("Please check the address and try again."));
         return;
     }
-    CKeyID keyID;
-    if (!addr.GetKeyID(keyID))
-    {
+    if (!boost::get<CKeyID>(&destination)) {
         ui->addressIn_VM->setValid(false);
         ui->statusLabel_VM->setStyleSheet("QLabel { color: red; }");
         ui->statusLabel_VM->setText(tr("The entered address does not refer to a key.") + QString(" ") + tr("Please check the address and try again."));
@@ -237,8 +232,7 @@ void SignVerifyMessageDialog::on_verifyMessageButton_VM_clicked()
         return;
     }
 
-    if (!(CBitcoinAddress(pubkey.GetID()) == addr))
-    {
+    if (!(CTxDestination(pubkey.GetID()) == destination)) {
         ui->statusLabel_VM->setStyleSheet("QLabel { color: red; }");
         ui->statusLabel_VM->setText(QString("<nobr>") + tr("Message verification failed.") + QString("</nobr>"));
         return;