Fix importmulti bug when importing an already imported key

Github-Pull: #11483
Rebased-From: a44a215177ab55b4a3b36a7980c313e908e2dd18

1 files changed, 12 insertions, 0 deletions

diff --git a/test/functional/importmulti.py b/test/functional/importmulti.py
index e83e85de13..783f06f912 100755
--- a/test/functional/importmulti.py
+++ b/test/functional/importmulti.py
@@ -170,6 +170,18 @@ class ImportMultiTest (BitcoinTestFramework):
         assert_equal(address_assert['ismine'], True)
         assert_equal(address_assert['timestamp'], timestamp)
 
+        self.log.info("Should not import an address with private key if is already imported")
+        result = self.nodes[1].importmulti([{
+            "scriptPubKey": {
+                "address": address['address']
+            },
+            "timestamp": "now",
+            "keys": [ self.nodes[0].dumpprivkey(address['address']) ]
+        }])
+        assert_equal(result[0]['success'], False)
+        assert_equal(result[0]['error']['code'], -4)
+        assert_equal(result[0]['error']['message'], 'The wallet already contains the private key for this address or script')
+
         # Address + Private key + watchonly
         self.log.info("Should not import an address with private key and with watchonly")
         address = self.nodes[0].validateaddress(self.nodes[0].getnewaddress())