gui: display address on external signer

src/qt/walletmodel.cpp

@@ -571,6 +571,18 @@ bool WalletModel::bumpFee(uint256 hash, uint256& new_hash)
     return true;
 }
 
+bool WalletModel::displayAddress(std::string sAddress)
+{
+    CTxDestination dest = DecodeDestination(sAddress);
+    bool res = false;
+    try {
+        res = m_wallet->displayAddress(dest);
+    } catch (const std::runtime_error& e) {
+        QMessageBox::critical(nullptr, tr("Can't display address"), e.what());
+    }
+    return res;
+}
+
 bool WalletModel::isWalletEnabled()
 {
    return !gArgs.GetBoolArg("-disablewallet", DEFAULT_DISABLE_WALLET);