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script/sign: signing support for Miniscripts with hash preimage challenges

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Preimages must be externally provided (typically, via a PSBT).
This commit is contained in:
Antoine Poinsot
2021-12-04 14:39:24 +01:00
parent a2f81b6a8f
commit 560e62b1e2
9 changed files with 109 additions and 37 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: