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taproot deploy bit #3

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wakiyamap opened this issue May 7, 2021 · 1 comment
Open

taproot deploy bit #3

wakiyamap opened this issue May 7, 2021 · 1 comment

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@wakiyamap
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chaincfg辺り。
とりあえずsignetのみONになってるけど、0.22が来た段階で恐らくmainnetの方にも更新が来るので注意
@wakiyamap
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該当commit記録
73b8e0d

wakiyamap pushed a commit that referenced this issue May 3, 2022
@Roasbeef
txscript: introduce new signatureVerifier interface to abstract over …
abeaf4e 
…schnorr/ecdsa

In this commit, we add a new signatureVerifier interface that will allow
us to consolidate a lot of code as we'll now have 4 distinct sig+sighash
types to verify:
  1. pre-segwit
  2. segwit v0
  3. segwit v1 (taproot key spend)
  4. tapscript spends

We'll need to be able to handle 3 of the cases for the modified
OP_CHECKSIG operator. This new abstraction allows us to keep the
implementation of the function somewhat succinct.

In this commit we implement a verifier for #3 which is needed to verify
the top-level taproot keyspend. We expose the verifier using a new
VerifyTaprootKeySpend function.
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