1 files changed, 39 insertions, 0 deletions
diff --git a/test/functional/rpc_signmessage.py b/test/functional/rpc_signmessage.py
new file mode 100755
index 0000000000..5b6935ceea
--- /dev/null
+++ b/test/functional/rpc_signmessage.py
@@ -0,0 +1,39 @@
+#!/usr/bin/env python3
+# Copyright (c) 2016-2017 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+"""Test RPC commands for signing and verifying messages."""
+
+from test_framework.test_framework import BitcoinTestFramework
+from test_framework.util import assert_equal
+
+class SignMessagesTest(BitcoinTestFramework):
+    def set_test_params(self):
+        self.setup_clean_chain = True
+        self.num_nodes = 1
+        self.extra_args = [["-addresstype=legacy"]]
+
+    def run_test(self):
+        message = 'This is just a test message'
+
+        self.log.info('test signing with priv_key')
+        priv_key = 'cUeKHd5orzT3mz8P9pxyREHfsWtVfgsfDjiZZBcjUBAaGk1BTj7N'
+        address = 'mpLQjfK79b7CCV4VMJWEWAj5Mpx8Up5zxB'
+        expected_signature = 'INbVnW4e6PeRmsv2Qgu8NuopvrVjkcxob+sX8OcZG0SALhWybUjzMLPdAsXI46YZGb0KQTRii+wWIQzRpG/U+S0='
+        signature = self.nodes[0].signmessagewithprivkey(priv_key, message)
+        assert_equal(expected_signature, signature)
+        assert(self.nodes[0].verifymessage(address, signature, message))
+
+        self.log.info('test signing with an address with wallet')
+        address = self.nodes[0].getnewaddress()
+        signature = self.nodes[0].signmessage(address, message)
+        assert(self.nodes[0].verifymessage(address, signature, message))
+
+        self.log.info('test verifying with another address should not work')
+        other_address = self.nodes[0].getnewaddress()
+        other_signature = self.nodes[0].signmessage(other_address, message)
+        assert(not self.nodes[0].verifymessage(other_address, signature, message))
+        assert(not self.nodes[0].verifymessage(address, other_signature, message))
+
+if __name__ == '__main__':
+    SignMessagesTest().main()