This commit is contained in:
Sebastian Falbesoner 2025-01-08 20:45:00 +01:00 committed by GitHub
commit 15cd4e7e44
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GPG key ID: B5690EEEBB952194
3 changed files with 41 additions and 8 deletions

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@ -117,10 +117,13 @@ public:
}
};
/** Witness program for Pay-to-Anchor output script type */
static const std::vector<unsigned char> anchor_bytes{0x4e, 0x73};
struct PayToAnchor : public WitnessUnknown
{
PayToAnchor() : WitnessUnknown(1, {0x4e, 0x73}) {
Assume(CScript::IsPayToAnchor(1, {0x4e, 0x73}));
PayToAnchor() : WitnessUnknown(1, anchor_bytes) {
Assume(CScript::IsPayToAnchor(1, anchor_bytes));
};
};

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@ -4,6 +4,7 @@
#include <test/data/bip341_wallet_vectors.json.h>
#include <addresstype.h>
#include <key.h>
#include <key_io.h>
#include <script/script.h>
@ -130,7 +131,6 @@ BOOST_AUTO_TEST_CASE(script_standard_Solver_success)
BOOST_CHECK(solutions[1] == ToByteVector(uint256::ONE));
// TxoutType::ANCHOR
std::vector<unsigned char> anchor_bytes{0x4e, 0x73};
s.clear();
s << OP_1 << anchor_bytes;
BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::ANCHOR);
@ -197,14 +197,18 @@ BOOST_AUTO_TEST_CASE(script_standard_Solver_failure)
s << OP_RETURN << std::vector<unsigned char>({75}) << OP_ADD;
BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::NONSTANDARD);
// TxoutType::WITNESS_UNKNOWN with incorrect program size
// TxoutType::WITNESS_V0_{KEY,SCRIPT}HASH with incorrect program size (-> consensus-invalid, i.e. non-standard)
s.clear();
s << OP_0 << std::vector<unsigned char>(19, 0x01);
BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::NONSTANDARD);
// TxoutType::WITNESS_V1_TAPROOT with incorrect program size (-> undefined, but still policy-valid)
s.clear();
s << OP_1 << std::vector<unsigned char>(33, 0x01);
BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::WITNESS_UNKNOWN);
// TxoutType::ANCHOR but wrong witness version
s.clear();
s << OP_2 << std::vector<unsigned char>{0x4e, 0x73};
s << OP_2 << anchor_bytes;
BOOST_CHECK(!s.IsPayToAnchor());
BOOST_CHECK_EQUAL(Solver(s, solutions), TxoutType::WITNESS_UNKNOWN);
@ -268,11 +272,24 @@ BOOST_AUTO_TEST_CASE(script_standard_ExtractDestination)
BOOST_CHECK(ExtractDestination(s, address));
BOOST_CHECK(std::get<WitnessV0ScriptHash>(address) == scripthash);
// TxoutType::WITNESS_V1_TAPROOT
s.clear();
auto xpk = XOnlyPubKey(pubkey);
s << OP_1 << ToByteVector(xpk);
BOOST_CHECK(ExtractDestination(s, address));
BOOST_CHECK(std::get<WitnessV1Taproot>(address) == WitnessV1Taproot(xpk));
// TxoutType::ANCHOR
s.clear();
s << OP_1 << anchor_bytes;
BOOST_CHECK(ExtractDestination(s, address));
BOOST_CHECK(std::get<PayToAnchor>(address) == PayToAnchor());
// TxoutType::WITNESS_UNKNOWN with unknown version
s.clear();
s << OP_1 << ToByteVector(pubkey);
s << OP_2 << ToByteVector(xpk);
BOOST_CHECK(ExtractDestination(s, address));
WitnessUnknown unk{1, ToByteVector(pubkey)};
WitnessUnknown unk{2, ToByteVector(xpk)};
BOOST_CHECK(std::get<WitnessUnknown>(address) == unk);
}
@ -341,6 +358,19 @@ BOOST_AUTO_TEST_CASE(script_standard_GetScriptFor_)
expected << OP_0 << ToByteVector(scriptHash);
result = GetScriptForDestination(WitnessV0ScriptHash(witnessScript));
BOOST_CHECK(result == expected);
// WitnessV1Taproot
auto xpk = XOnlyPubKey(pubkeys[0]);
expected.clear();
expected << OP_1 << ToByteVector(xpk);
result = GetScriptForDestination(WitnessV1Taproot(xpk));
BOOST_CHECK(result == expected);
// PayToAnchor
expected.clear();
expected << OP_1 << anchor_bytes;
result = GetScriptForDestination(PayToAnchor());
BOOST_CHECK(result == expected);
}
BOOST_AUTO_TEST_CASE(script_standard_taproot_builder)

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@ -1040,7 +1040,7 @@ BOOST_AUTO_TEST_CASE(test_IsStandard)
}
// Check anchor outputs
t.vout[0].scriptPubKey = CScript() << OP_1 << std::vector<unsigned char>{0x4e, 0x73};
t.vout[0].scriptPubKey = CScript() << OP_1 << anchor_bytes;
BOOST_CHECK(t.vout[0].scriptPubKey.IsPayToAnchor());
t.vout[0].nValue = 240;
CheckIsStandard(t);