electrum

Electrum Bitcoin wallet
git clone https://git.parazyd.org/electrum
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txradar.py (1110B)

      1 #!/usr/bin/env python3
      2 import sys
      3 import asyncio
      4 
      5 from electrum.network import filter_protocol, Network
      6 from electrum.util import create_and_start_event_loop, log_exceptions
      7 from electrum.simple_config import SimpleConfig
      8 
      9 
     10 try:
     11     txid = sys.argv[1]
     12 except:
     13     print("usage: txradar txid")
     14     sys.exit(1)
     15 
     16 config = SimpleConfig()
     17 
     18 loop, stopping_fut, loop_thread = create_and_start_event_loop()
     19 network = Network(config)
     20 network.start()
     21 
     22 @log_exceptions
     23 async def f():
     24     try:
     25         peers = await network.get_peers()
     26         peers = filter_protocol(peers)
     27         results = await network.send_multiple_requests(peers, 'blockchain.transaction.get', [txid])
     28         r1, r2 = [], []
     29         for k, v in results.items():
     30             (r1 if not isinstance(v, Exception) else r2).append(k)
     31         print(f"Received {len(results)} answers")
     32         try: propagation = len(r1) * 100. / (len(r1) + len(r2))
     33         except ZeroDivisionError: propagation = 0
     34         print(f"Propagation rate: {propagation:.1f} percent")
     35     finally:
     36         stopping_fut.set_result(1)
     37 
     38 asyncio.run_coroutine_threadsafe(f(), loop)