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Merge bitcoin/bitcoin#24149: Signing support for Miniscript Descriptors

Browse Source 
6c7a17a8e0 psbt: support externally provided preimages for Miniscript satisfaction (Antoine Poinsot)
840a396029 qa: add a "smart" Miniscript fuzz target (Antoine Poinsot)
17e3547241 qa: add a fuzz target generating random nodes from a binary encoding (Antoine Poinsot)
611e12502a qa: functional test Miniscript signing with key and timelocks (Antoine Poinsot)
d57b7f2021 refactor: make descriptors in Miniscript functional test more readable (Antoine Poinsot)
0a8fc9e200 wallet: check solvability using descriptor in AvailableCoins (Antoine Poinsot)
560e62b1e2 script/sign: signing support for Miniscripts with hash preimage challenges (Antoine Poinsot)
a2f81b6a8f script/sign: signing support for Miniscript with timelocks (Antoine Poinsot)
61c6d1a844 script/sign: basic signing support for Miniscript descriptors (Antoine Poinsot)
4242c1c521 Align 'e' property of or_d and andor with website spec (Pieter Wuille)
f5deb41780 Various additional explanations of the satisfaction logic from Pieter (Pieter Wuille)
22c5b00345 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 6c7a17a8e0
  sipa:
    utACK 6c7a17a8e0 (to the extent that it's not my own code).

Tree-SHA512: a71ec002aaf66bd429012caa338fc58384067bcd2f453a46e21d381ed1bacc8e57afb9db57c0fb4bf40de43b30808815e9ebc0ae1fbd9e61df0e7b91a17771cc
This commit is contained in:
fanquake
2023-02-16 09:55:21 +00:00
parent cbf511b3f4 6c7a17a8e0
commit fb82d91a9c
17 changed files with 1879 additions and 58 deletions
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15
src/test/script_p2sh_tests.cpp
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@@ -102,7 +102,8 @@ BOOST_AUTO_TEST_CASE(sign)
}
for (int i = 0; i < 8; i++)
{
BOOST_CHECK_MESSAGE(SignSignature(keystore, CTransaction(txFrom), txTo[i], 0, SIGHASH_ALL), strprintf("SignSignature %d", i));
SignatureData empty;
BOOST_CHECK_MESSAGE(SignSignature(keystore, CTransaction(txFrom), txTo[i], 0, SIGHASH_ALL, empty), strprintf("SignSignature %d", i));
}
// All of the above should be OK, and the txTos have valid signatures
// Check to make sure signature verification fails if we use the wrong ScriptSig:
@@ -197,7 +198,8 @@ BOOST_AUTO_TEST_CASE(set)
}
for (int i = 0; i < 4; i++)
{
BOOST_CHECK_MESSAGE(SignSignature(keystore, CTransaction(txFrom), txTo[i], 0, SIGHASH_ALL), strprintf("SignSignature %d", i));
SignatureData empty;
BOOST_CHECK_MESSAGE(SignSignature(keystore, CTransaction(txFrom), txTo[i], 0, SIGHASH_ALL, empty), strprintf("SignSignature %d", i));
BOOST_CHECK_MESSAGE(IsStandardTx(CTransaction(txTo[i]), reason), strprintf("txTo[%d].IsStandard", i));
}
}
@@ -334,9 +336,12 @@ BOOST_AUTO_TEST_CASE(AreInputsStandard)
txTo.vin[i].prevout.n = i;
txTo.vin[i].prevout.hash = txFrom.GetHash();
}
BOOST_CHECK(SignSignature(keystore, CTransaction(txFrom), txTo, 0, SIGHASH_ALL));
BOOST_CHECK(SignSignature(keystore, CTransaction(txFrom), txTo, 1, SIGHASH_ALL));
BOOST_CHECK(SignSignature(keystore, CTransaction(txFrom), txTo, 2, SIGHASH_ALL));
SignatureData empty;
BOOST_CHECK(SignSignature(keystore, CTransaction(txFrom), txTo, 0, SIGHASH_ALL, empty));
SignatureData empty_b;
BOOST_CHECK(SignSignature(keystore, CTransaction(txFrom), txTo, 1, SIGHASH_ALL, empty_b));
SignatureData empty_c;
BOOST_CHECK(SignSignature(keystore, CTransaction(txFrom), txTo, 2, SIGHASH_ALL, empty_c));
// SignSignature doesn't know how to sign these. We're
// not testing validating signatures, so just create
// dummy signatures that DO include the correct P2SH scripts: