davideandClaude Sonnet 5
a21e058cdd
Minimal Electrum protocol client (client.py) plus a scripthash subscription listener (listener.py) that watches user deposit addresses for confirmed UTXOs, with the address->scripthash conversion helper and a manual smoke-test script against the dev bootstrap server. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
16 lines
627 B
Python
16 lines
627 B
Python
import hashlib
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from embit.script import Script
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def address_to_scripthash(address: str) -> str:
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"""Electrum protocol scripthash: sha256(scriptPubKey), byte-reversed, hex.
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Uses `.data` (the raw scriptPubKey bytes), not `.serialize()` — the latter
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prefixes a compact-size length byte meant for embedding the script as pushdata
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elsewhere (e.g. a P2SH redeemScript), which is not part of the actual on-chain
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output script and produces a wrong (unmatchable) scripthash if used here.
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"""
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script_pubkey = Script.from_address(address).data
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return hashlib.sha256(script_pubkey).digest()[::-1].hex()
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