Add GUI to import private keys

Addresses GH #1808.

There are several possible future improvements:

 * add a new icon for key import

 * reduce duplication of code between the RPC private key importer and
 the GUI private key importer

 * improving error messages for various error states

1 files changed, 7 insertions, 0 deletions

diff --git a/src/qt/walletframe.cpp b/src/qt/walletframe.cpp
index b2bb7d554..ccf4830e2 100644
--- a/src/qt/walletframe.cpp
+++ b/src/qt/walletframe.cpp
@@ -186,6 +186,13 @@ void WalletFrame::printPaperWallets()
         walletView->printPaperWallets();
 }
 
+void WalletFrame::importPrivateKey()
+{
+    WalletView *walletView = currentWalletView();
+    if (walletView)
+        walletView->importPrivateKey();
+}
+
 void WalletFrame::usedSendingAddresses()
 {
     WalletView *walletView = currentWalletView();