Add privToPub and pubToAddr commands

plugins/CryptMessage/CryptMessagePlugin.py

@@ -124,6 +124,15 @@ class UiWebsocketPlugin(object):
     def actionEcdsaVerify(self, to, data, address, signature):
         self.response(to, CryptBitcoin.verify(data, address, signature))
 
+    # Gets the publickey of a given privatekey
+    def actionPrivToPub(self, to, privatekey):
+        self.response(to, btctools.privtopub(privatekey))
+
+    # Gets the address of a given publickey
+    def actionPubToAddr(self, to, publickey):
+        address = btctools.pubtoaddr(btctools.decode_pubkey(publickey))
+        self.response(to, address)
+
 
 @PluginManager.registerTo("User")
 class UserPlugin(object):