Add a failing test case for reissuance from an unblinded output (Elem…

…entsProject#259)

test/functional/feature_issuance.py

@@ -500,5 +500,14 @@ def run_test(self):
         txid = self.nodes[1].issueasset(0, 1, False)["txid"]
         tx = self.nodes[1].getrawtransaction(txid, True)
 
+        # Test reissuing with a reissuance token spent from an unblinded output
+        # https://github.com/ElementsProject/elements/issues/259
+        issued = self.nodes[0].issueasset(0, Decimal('0.00000001'), False)
+        # Get a non-confidential address and send the (only) reissuance token to it
+        uc_addr = self.nodes[0].validateaddress(self.nodes[0].getnewaddress())["unconfidential"]
+        self.nodes[0].sendtoaddress(uc_addr, Decimal('0.00000001'), "", "", False, False, 1, "UNSET", False, issued["token"])
+        # This currently fails with 'JSONRPCException: Unable to blind the transaction properly. This should not happen. (-4)'
+        self.nodes[0].reissueasset(issued["asset"], 1)
+
 if __name__ == '__main__':
     IssuanceTest ().main ()