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6c7a17a8e0eec377f83ed1399f003ae70b898270 psbt: support externally provided preimages for Miniscript satisfaction (Antoine Poinsot)
840a396029316896beda46600aec3c1af09a899c qa: add a "smart" Miniscript fuzz target (Antoine Poinsot)
17e3547241d593bc92c5c6b36c54284d9d9f3feb qa: add a fuzz target generating random nodes from a binary encoding (Antoine Poinsot)
611e12502a5887ffb751bb92fadaa334d484824b qa: functional test Miniscript signing with key and timelocks (Antoine Poinsot)
d57b7f2021d2369f6e88cdf0f562aab27c51beaf refactor: make descriptors in Miniscript functional test more readable (Antoine Poinsot)
0a8fc9e200b5018c1efd6f9126eb405ca0beeea3 wallet: check solvability using descriptor in AvailableCoins (Antoine Poinsot)
560e62b1e221832ae99ff8684559a7b8f9df84a7 script/sign: signing support for Miniscripts with hash preimage challenges (Antoine Poinsot)
a2f81b6a8f1ff3b0750711409c7538812a52ef40 script/sign: signing support for Miniscript with timelocks (Antoine Poinsot)
61c6d1a8440db09c44d7fd367a6f2c641ea93d40 script/sign: basic signing support for Miniscript descriptors (Antoine Poinsot)
4242c1c52127df3a24be0c15b88d4fc463af04fc Align 'e' property of or_d and andor with website spec (Pieter Wuille)
f5deb417804b9f267830bd40177677987df4526d Various additional explanations of the satisfaction logic from Pieter (Pieter Wuille)
22c5b00345063bdeb8b6d3da8b5692d18f92bfb7 miniscript: satisfaction support (Antoine Poinsot)
Pull request description:
This makes the Miniscript descriptors solvable.
Note this introduces signing support for much more complex scripts than the wallet was previously able to solve, and the whole tooling isn't provided for a complete Miniscript integration in the wallet. Particularly, the PSBT<->Miniscript integration isn't entirely covered in this PR.
ACKs for top commit:
achow101:
ACK 6c7a17a8e0eec377f83ed1399f003ae70b898270
sipa:
utACK 6c7a17a8e0eec377f83ed1399f003ae70b898270 (to the extent that it's not my own code).
Tree-SHA512: a71ec002aaf66bd429012caa338fc58384067bcd2f453a46e21d381ed1bacc8e57afb9db57c0fb4bf40de43b30808815e9ebc0ae1fbd9e61df0e7b91a17771cc
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This introduces the logic to "sign for" a Miniscript.
Co-Authored-By: Pieter Wuille <pieter.wuille@gmail.com>
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-BEGIN VERIFY SCRIPT-
./contrib/devtools/copyright_header.py update ./
-END VERIFY SCRIPT-
Commits of previous years:
- 2021: f47dda2c58b5d8d623e0e7ff4e74bc352dfa83d7
- 2020: fa0074e2d82928016a43ca408717154a1c70a4db
- 2019: aaaaad6ac95b402fe18d019d67897ced6b316ee0
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Suggested-by: Vincenzo Palazzo
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Co-authored-by: Pieter Wuille <pieter.wuille@gmail.com>
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The 'Fragment' type was previously named 'Nodetype'. For clarity, name
the variables the same.
-BEGIN VERIFY SCRIPT-
sed -i 's/nodetype/fragment/g' src/script/miniscript.*
-END VERIFY SCRIPT-
Co-authored-by: Pieter Wuille <pieter.wuille@gmail.com>
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Co-authored-by: Pieter Wuille <pieter.wuille@gmail.com>
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The value it leaves on the stack depends on the last element on the
stack. However, we can't make sure this element is OP_1 (which would
give us the 'u' property) without the MINIMALIF rule.
MINIMALIF is only policy for P2WSH, therefore giving 'd:' the 'u'
property breaks consensus soundness: it makes it possible (by consensus
but not policy) for instance to satisfy a thresh() without satisfying
at least k of its subs.
This bug was found and reported by Andrew Poelstra.
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Co-Authored-By: Antoine Poinsot <darosior@protonmail.com>
Co-Authored-By: Samuel Dobson <dobsonsa68@gmail.com>
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More information about Miniscript can be found at https://bitcoin.sipa.be/miniscript/ (the
website source is hosted at https://github.com/sipa/miniscript/).
This commit defines all fragments, their composition, parsing from
string representation and conversion to Script.
Co-Authored-By: Antoine Poinsot <darosior@protonmail.com>
Co-Authored-By: Sanket Kanjalkar <sanket1729@gmail.com>
Co-Authored-By: Samuel Dobson <dobsonsa68@gmail.com>
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