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#!/usr/bin/env python
# A simple script that connects to a server and displays block headers
import time
import electrum
# start network
c = electrum.SimpleConfig()
s = electrum.daemon.get_daemon(c,True)
network = electrum.NetworkProxy(s,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: electrum.print_json(response.get('result'))
network.send([('blockchain.headers.subscribe',[])], callback)
# 3. wait for results
while network.is_connected():
time.sleep(1)