39 lines
1 KiB
Python
Executable file
39 lines
1 KiB
Python
Executable file
#!/usr/bin/env python3
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#
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# MMGen Wallet, a terminal-based cryptocurrency wallet
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# Copyright (C)2013-2026 The MMGen Project <mmgen@tuta.io>
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# Licensed under the GNU General Public License, Version 3:
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# https://www.gnu.org/licenses
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# Public project repositories:
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# https://github.com/mmgen/mmgen-wallet
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# https://gitlab.com/mmgen/mmgen-wallet
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"""
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examples/whitepaper.py: extract the Bitcoin whitepaper from the blockchain
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"""
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import asyncio
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from mmgen.cfg import Config
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from mmgen.rpc import rpc_init
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txid = '54e48e5f5c656b26c3bca14a8c95aa583d07ebe84dde3b7dd4a78f4e4186e713'
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fn = 'bitcoin.pdf'
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async def main():
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cfg = Config(process_opts=True)
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assert cfg.coin == 'BTC' and cfg.network == 'mainnet', 'This script works only on BTC mainnet!'
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c = await rpc_init(cfg, ignore_wallet=True)
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tx = await c.call('getrawtransaction', txid, True)
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chunks = [''.join(d['scriptPubKey']['asm'].split()[1:4]) for d in tx['vout']]
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with open(fn, 'wb') as f:
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f.write(bytes.fromhex(''.join(chunks)[16:368600]))
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print(f'Wrote {fn}')
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asyncio.run(main())
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