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| author | Johnson Lau <jl2012@xbt.hk> | 2020-09-11 14:33:10 -0700 |
|---|---|---|
| committer | Pieter Wuille <pieter@wuille.net> | 2020-10-12 17:06:38 -0700 |
| commit | 5de246ca8159dcffaa4c136a60c8bfed2028e2ee (patch) | |
| tree | 6360222a98a2f75e01882ad8c01f771b4f4c0b8b /src/script/script.h | |
| parent | 9eb590894f15ff40806039bfd32972fbc260e30d (diff) | |
| download | bitcoin-5de246ca8159dcffaa4c136a60c8bfed2028e2ee.tar.xz | |
Implement Taproot signature hashing (BIP 341)
This implements the new sighashing scheme from BIP341, with all relevant
whole-transaction values precomputed once and cached.
Includes changes to PrecomputedTransactionData by Pieter Wuille.
Diffstat (limited to 'src/script/script.h')
| -rw-r--r-- | src/script/script.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/script/script.h b/src/script/script.h index c1f2b66921..fcf3e29362 100644 --- a/src/script/script.h +++ b/src/script/script.h @@ -44,6 +44,11 @@ static const unsigned int LOCKTIME_THRESHOLD = 500000000; // Tue Nov 5 00:53:20 // SEQUENCE_FINAL). static const uint32_t LOCKTIME_MAX = 0xFFFFFFFFU; +// Tag for input annex. If there are at least two witness elements for a transaction input, +// and the first byte of the last element is 0x50, this last element is called annex, and +// has meanings independent of the script +static constexpr unsigned int ANNEX_TAG = 0x50; + template <typename T> std::vector<unsigned char> ToByteVector(const T& in) { |