electrum

Electrum Bitcoin wallet
git clone https://git.parazyd.org/electrum
Log | Files | Refs | Submodules

peers.py (940B)

      1 #!/usr/bin/env python3
      2 import asyncio
      3 
      4 from electrum.network import filter_protocol, Network
      5 from electrum.util import create_and_start_event_loop, log_exceptions
      6 from electrum.blockchain import hash_raw_header
      7 from electrum.simple_config import SimpleConfig
      8 
      9 
     10 config = SimpleConfig()
     11 
     12 loop, stopping_fut, loop_thread = create_and_start_event_loop()
     13 network = Network(config)
     14 network.start()
     15 
     16 @log_exceptions
     17 async def f():
     18     try:
     19         peers = await network.get_peers()
     20         peers = filter_protocol(peers)
     21         results = await network.send_multiple_requests(peers, 'blockchain.headers.subscribe', [])
     22         for server, header in sorted(results.items(), key=lambda x: x[1].get('height')):
     23             height = header.get('height')
     24             blockhash = hash_raw_header(header.get('hex'))
     25             print(server, height, blockhash)
     26     finally:
     27         stopping_fut.set_result(1)
     28 
     29 asyncio.run_coroutine_threadsafe(f(), loop)