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| author | Orfeas Stefanos Thyfronitis Litos <o.thyfronitis@ed.ac.uk> | 2019-11-25 16:50:11 +0000 |
|---|---|---|
| committer | Pieter Wuille <pieter.wuille@gmail.com> | 2020-01-19 14:47:33 -0800 |
| commit | 773133fb4a086c41256d505d744d2764597bd222 (patch) | |
| tree | a96bf09ae8bbb0efa1ce5effbe593036becf945f | |
| parent | da3837639fd987e5d25a0abb209700c3d7ff55ed (diff) | |
| download | bips-773133fb4a086c41256d505d744d2764597bd222.tar.xz | |
Typo: script signature max bytes unhashed are 247
| -rw-r--r-- | bip-tapscript.mediawiki | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/bip-tapscript.mediawiki b/bip-tapscript.mediawiki index 4146f24..50f9d5e 100644 --- a/bip-tapscript.mediawiki +++ b/bip-tapscript.mediawiki @@ -115,7 +115,7 @@ As additional pieces of data, added at the end of the input to the ''hash<sub>Ta * <code>key_version</code> (1): a constant value <code>0x00</code> representing the current version of public keys in the tapscript signature opcode execution. * <code>codeseparator_position</code> (4): the opcode position of the last executed <code>OP_CODESEPARATOR</code> before the currently executed signature opcode, with the value in little endian (or <code>0xffffffff</code> if none executed). The first opcode in a script has a position of 0. A multi-byte push opcode is counted as one opcode, regardless of the size of data being pushed. -The total number of bytes hashed is at most ''248''<ref>'''What is the number of bytes hashed for the signature hash?''' The total size of the input to ''hash<sub>TapSighash</sub>'' (excluding the initial 64-byte hash tag) can be computed using the following formula: ''215 - is_anyonecanpay * 52 - is_none * 32 + has_annex * 32''.</ref>. +The total number of bytes hashed is at most ''247''<ref>'''What is the number of bytes hashed for the signature hash?''' The total size of the input to ''hash<sub>TapSighash</sub>'' (excluding the initial 64-byte hash tag) can be computed using the following formula: ''215 - is_anyonecanpay * 52 - is_none * 32 + has_annex * 32''.</ref>. In summary, the semantics of the [https://github.com/bitcoin/bips/blob/master/bip-0143.mediawiki BIP143] sighash types remain unchanged, except the following: # The exceptions mentioned in bip-taproot. |