functional_tests: check transfers list consistency in cold_signing

Author: jeffro256

tests/functional_tests/cold_signing.py

@@ -133,9 +133,32 @@ def export_import(self, piecemeal_output_export):
             res = self.hot_wallet.export_outputs()
             self.cold_wallet.import_outputs(res.outputs_data_hex)
 
+        # Check consistency between hot & cold transfers list, especially that one-time addresses and amounts line up
+        def check_transfers_list_consistency(do_check_key_images):
+            hot_transfers_list = self.hot_wallet.incoming_transfers()
+            cold_transfers_list = self.cold_wallet.incoming_transfers()
+            if 'transfers' not in hot_transfers_list:
+                assert 'transfers' not in cold_transfers_list
+                return
+            hot_transfers_list = hot_transfers_list['transfers']
+            cold_transfers_list = cold_transfers_list['transfers']
+            assert len(hot_transfers_list) == len(cold_transfers_list)
+            attributes_to_cmp = ['amount', 'subaddr_index', 'pubkey']
+            if do_check_key_images:
+                attributes_to_cmp.append("key_image")
+            for i in range(len(hot_transfers_list)):
+                for attr in attributes_to_cmp:
+                    hot_val = hot_transfers_list[i][attr]
+                    cold_val = cold_transfers_list[i][attr]
+                    assert hot_val == cold_val, "outputs mismatch ({}, \"{}\"): {} vs {}".format(i, attr, hot_val, cold_val)
+
+        check_transfers_list_consistency(False)
+
         res = self.cold_wallet.export_key_images(True)
         self.hot_wallet.import_key_images(res.signed_key_images, offset = res.offset)
 
+        check_transfers_list_consistency(True)
+
     def create_tx(self, destination_addr, piecemeal_output_export):
         daemon = Daemon()