file reorganization with top-level module

electrum/scripts/block_headers.py

@@ -0,0 +1,29 @@
+#!/usr/bin/env python3
+
+# A simple script that connects to a server and displays block headers
+
+import time
+from .. import SimpleConfig, Network
+from electrum.util import print_msg, json_encode
+
+# start network
+c = SimpleConfig()
+network = Network(c)
+network.start()
+
+# wait until connected
+while network.is_connecting():
+    time.sleep(0.1)
+
+if not network.is_connected():
+    print_msg("daemon is not connected")
+    sys.exit(1)
+
+# 2. send the subscription
+callback = lambda response: print_msg(json_encode(response.get('result')))
+network.send([('server.version',["block_headers script", "1.2"])], callback)
+network.subscribe_to_headers(callback)
+
+# 3. wait for results
+while network.is_connected():
+    time.sleep(1)