2018-07-10 13:49:51 +02:00
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#!/usr/bin/env python3
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2013-10-06 12:28:45 +02:00
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# A simple script that connects to a server and displays block headers
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2014-07-29 10:43:04 +02:00
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import time
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2018-07-11 17:38:47 +02:00
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from .. import SimpleConfig, Network
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2015-10-29 11:06:09 +01:00
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from electrum.util import print_msg, json_encode
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2013-10-06 12:28:45 +02:00
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2014-07-27 11:33:02 +02:00
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# start network
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2015-10-29 11:06:09 +01:00
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c = SimpleConfig()
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network = Network(c)
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2014-07-27 11:33:02 +02:00
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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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2013-10-06 12:28:45 +02:00
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# 2. send the subscription
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2015-10-29 11:06:09 +01:00
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callback = lambda response: print_msg(json_encode(response.get('result')))
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2018-05-30 13:53:19 +08:00
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network.send([('server.version',["block_headers script", "1.2"])], callback)
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2018-06-06 15:06:04 +02:00
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network.subscribe_to_headers(callback)
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2013-10-06 12:28:45 +02:00
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# 3. wait for results
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2014-07-27 11:33:02 +02:00
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while network.is_connected():
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2014-07-29 10:43:04 +02:00
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time.sleep(1)
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