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#!/usr/bin/env python
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# A simple script that connects to a server and displays block headers
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import time, electrum
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# start network
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network = electrum.NetworkProxy(False)
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network.start()
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# wait until connected
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while network.is_connecting():
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time.sleep(0.1)
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if not network.is_connected():
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print_msg("daemon is not connected")
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sys.exit(1)
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# 2. send the subscription
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callback = lambda result: electrum.print_json(result.get('result'))
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network.send([('blockchain.headers.subscribe',[])], callback)
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# 3. wait for results
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while network.is_connected():
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try:
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time.sleep(1)
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except:
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break
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network.stop()
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