--- Log opened Wed May 14 00:00:42 2025
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12:11 < entropyx> given this tr script internal_key [(script0), script(1)] do i need to know merkle root information for path spend somehow ? i can provide a valid signature for it idk what im missing
12:13 < entropyx> a valid sighash will still be sighash = TaprootSignatureHash(spending_tx, [tx.vout[0]], 0x0, 0, False) and a valid signature with internal_key_tweaked
12:14 < entropyx> spending_tx.wit.vtxinwit.append(CTxInWitness([sig]))
12:17 < andytoshi> do you mean key spend or script spend?
12:17 < andytoshi> to spend with one of the scripts you definitely need to know the merkle path to the script you're spending, and you don't sign with the internal key
12:58 < entropyx> key path spend using the internal_key\
13:00 < entropyx>  i cant provide a valid signature using the 340-342.py reference at core git
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14:36 < andytoshi> entropyx: probably the fastest thing for you to do is to insert a bunch of trace code in your signing code, insert a bunch of trace code in core, and see what exact bytes they're both hashing to get the sighash
14:37 < andytoshi> which sounds awful and tedious and requires recompiling core ... which is all totally true
14:37 < andytoshi> but it's still faster than guessing randomly which obscure bit you forgot to flip, or whatever
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16:08 < entropyx> ill take a chance with tap utility better let see
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18:03 < entropyx> a missmach in the sig process, i was using the normal internal pub key tweak while is the tweak must be TapTweak(internal x only pub key || merkleroot)
18:31 < andytoshi> nice. glad you found it
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--- Log closed Thu May 15 00:00:43 2025