compact serialized format for unsigned and partially signed transactions.

plugins/qrscanner.py

@@ -82,7 +82,15 @@ class Plugin(BasePlugin):
         qrcode = self.scan_qr()
         if not qrcode:
             return
-        tx = self.win.tx_from_text(qrcode)
+        data = qrcode
+
+        # transactions are binary, but qrcode seems to return utf8...
+        z = data.decode('utf8')
+        s = ''
+        for b in z:
+            s += chr(ord(b))
+        data = s.encode('hex')
+        tx = self.win.tx_from_text(data)
         if not tx:
             return
         self.win.show_transaction(tx)