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Merge a93e7a4422 into merged_master (Bitcoin PR bitcoin/bitcoin#22748)

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Byron Hambly 2023-04-10 13:22:14 +00:00
commit c70b9b1b43
1 changed files with 2 additions and 2 deletions
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4
src/script/interpreter.cpp
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@ -3101,9 +3101,9 @@ static bool VerifyTaprootCommitment(const std::vector<unsigned char>& control, c
assert(control.size() >= TAPROOT_CONTROL_BASE_SIZE);
assert(program.size() >= uint256::size());
//! The internal pubkey (x-only, so no Y coordinate parity).
const XOnlyPubKey p{uint256(std::vector<unsigned char>(control.begin() + 1, control.begin() + TAPROOT_CONTROL_BASE_SIZE))};
const XOnlyPubKey p{Span<const unsigned char>{control.data() + 1, control.data() + TAPROOT_CONTROL_BASE_SIZE}};
//! The output pubkey (taken from the scriptPubKey).
const XOnlyPubKey q{uint256(program)};
const XOnlyPubKey q{program};
// Compute the Merkle root from the leaf and the provided path.
const uint256 merkle_root = ComputeTaprootMerkleRoot(control, tapleaf_hash);
// Verify that the output pubkey matches the tweaked internal pubkey, after correcting for parity.