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@@ -0,0 +1,39 @@
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+#!/usr/bin/env python3
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+#
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+# mmgen = Multi-Mode GENerator, a command-line cryptocurrency wallet
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+# Copyright (C)2013-2023 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
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+# https://gitlab.com/mmgen/mmgen
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+
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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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+
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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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+
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+txid = '54e48e5f5c656b26c3bca14a8c95aa583d07ebe84dde3b7dd4a78f4e4186e713'
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+fn = 'bitcoin.pdf'
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+
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+async def main():
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+
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+ cfg = Config(process_opts=True)
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+
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+ assert cfg.coin == 'BTC' and cfg.network == 'mainnet', 'This script works only on BTC mainnet!'
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+
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+ c = await rpc_init(cfg)
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+
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+ tx = await c.call('getrawtransaction',txid,True)
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+
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+ chunks = [''.join( d['scriptPubKey']['asm'].split()[1:4] ) for d in tx['vout']]
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+
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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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+
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+ print(f'Wrote {fn}')
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+
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+asyncio.run(main())
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