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42 lines
1.1 KiB
Python
Executable File
42 lines
1.1 KiB
Python
Executable File
#!/usr/bin/env python3
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import argparse
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from daemon import Daemon
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import numpy as np
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import matplotlib.pyplot as plt
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument('--testnet', action='store_true')
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args = parser.parse_args()
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if args.testnet:
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d = Daemon(port=18332, cookie_dir='~/.bitcoin/testnet3')
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else:
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d = Daemon(port=8332, cookie_dir='~/.bitcoin')
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txids, = d.request('getrawmempool', [[False]])
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txids = list(map(lambda a: [a], txids))
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entries = d.request('getmempoolentry', txids)
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entries = [{'fee': e['fee']*1e8, 'vsize': e['vsize']} for e in entries]
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for e in entries:
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e['rate'] = e['fee'] / e['vsize'] # sat/vbyte
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entries.sort(key=lambda e: e['rate'], reverse=True)
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vsize = np.array([e['vsize'] for e in entries]).cumsum()
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rate = np.array([e['rate'] for e in entries])
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plt.semilogy(vsize / 1e6, rate, '-')
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plt.xlabel('Mempool size (MB)')
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plt.ylabel('Fee rate (sat/vbyte)')
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plt.title('{} transactions'.format(len(entries)))
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plt.grid()
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plt.show()
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if __name__ == '__main__':
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main()
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