Add a test for electrum handshake

tests/electrum_handshake.py

@@ -0,0 +1,29 @@
+import time
+
+from test_framework.electrum_client import ElectrumClient
+from test_framework.test_framework import TestFramework
+
+
+class ElectrumHandshakeTest(TestFramework):
+    def run_test(self):
+        try:
+            self.run_rpc()
+            time.sleep(5)
+            self.run_node("./data/handshake/", "signet")
+            time.sleep(4)
+            client = ElectrumClient("localhost", 50001)
+            version = client.get_version()
+            assert (
+                b'{"id":0,"jsonrpc":"2.0","result":["ElectrumX 1.16.0","1.4"]}' == version)
+        except ConnectionRefusedError:
+            print("Unable to connect with the electrum server")
+            exit(1)
+        except AssertionError:
+            print("Got an invalid response")
+            exit(1)
+        finally:
+            self.stop_node(0)
+
+
+if __name__ == "__main__":
+    ElectrumHandshakeTest().run_test()

tests/run_tests.py

@@ -5,7 +5,7 @@
 
 BASE_DIR = "/tmp/data"
 
-tests = ["example_test", "restart"]
+tests = ["example_test", "restart", "electrum_handshake"]
 
 
 def main():