miniscript_tests.cpp

// Copyright (c) 2019 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.


#include <string>

#include <test/util/setup_common.h>
#include <boost/test/unit_test.hpp>

#include <hash.h>
#include <pubkey.h>
#include <uint256.h>
#include <crypto/ripemd160.h>
#include <crypto/sha256.h>
#include <script/miniscript.h>

namespace {

/** TestData groups various kinds of precomputed data necessary in this test. */
struct TestData {
    //! The only public keys used in this test.
    std::vector<CPubKey> pubkeys;
    //! A map from the public keys to their CKeyIDs (faster than hashing every time).
    std::map<CPubKey, CKeyID> pkhashes;
    std::map<CKeyID, CPubKey> pkmap;

    // Various precomputed hashes
    std::vector<std::vector<unsigned char>> sha256;
    std::vector<std::vector<unsigned char>> ripemd160;
    std::vector<std::vector<unsigned char>> hash256;
    std::vector<std::vector<unsigned char>> hash160;

    TestData()
    {
        // We generate 255 public keys and 255 hashes of each type.
        for (int i = 1; i <= 255; ++i) {
            // This 32-byte array functions as both private key data and hash preimage (31 zero bytes plus any nonzero byte).
            unsigned char keydata[32] = {0};
            keydata[31] = i;

            // Compute CPubkey and CKeyID
            CKey key;
            key.Set(keydata, keydata + 32, true);
            CPubKey pubkey = key.GetPubKey();
            CKeyID keyid = pubkey.GetID();
            pubkeys.push_back(pubkey);
            pkhashes.emplace(pubkey, keyid);
            pkmap.emplace(keyid, pubkey);

            // Compute various hashes
            std::vector<unsigned char> hash;
            hash.resize(32);
            CSHA256().Write(keydata, 32).Finalize(hash.data());
            sha256.push_back(hash);
            CHash256().Write(keydata).Finalize(hash);
            hash256.push_back(hash);
            hash.resize(20);
            CRIPEMD160().Write(keydata, 32).Finalize(hash.data());
            ripemd160.push_back(hash);
            CHash160().Write(keydata).Finalize(hash);
            hash160.push_back(hash);
        }
    }
};

//! Global TestData object
std::unique_ptr<const TestData> g_testdata;

/** A class encapsulating conversion routing for CPubKey. */
struct KeyConverter {
    typedef CPubKey Key;

    bool KeyCompare(const Key& a, const Key& b) const {
        return a < b;
    }

    //! Convert a public key to bytes.
    std::vector<unsigned char> ToPKBytes(const CPubKey& key) const { return {key.begin(), key.end()}; }

    //! Convert a public key to its Hash160 bytes (precomputed).
    std::vector<unsigned char> ToPKHBytes(const CPubKey& key) const
    {
        auto it = g_testdata->pkhashes.find(key);
        assert(it != g_testdata->pkhashes.end());
        return {it->second.begin(), it->second.end()};
    }

    //! Parse a public key from a range of hex characters.
    template<typename I>
    std::optional<Key> FromString(I first, I last) const {
        auto bytes = ParseHex(std::string(first, last));
        Key key{bytes.begin(), bytes.end()};
        if (key.IsValid()) return key;
        return {};
    }

    template<typename I>
    std::optional<Key> FromPKBytes(I first, I last) const {
        Key key{first, last};
        if (key.IsValid()) return key;
        return {};
    }

    template<typename I>
    std::optional<Key> FromPKHBytes(I first, I last) const {
        assert(last - first == 20);
        CKeyID keyid;
        std::copy(first, last, keyid.begin());
        auto it = g_testdata->pkmap.find(keyid);
        assert(it != g_testdata->pkmap.end());
        return it->second;
    }

    std::optional<std::string> ToString(const Key& key) const {
        return HexStr(ToPKBytes(key));
    }
};

//! Singleton instance of KeyConverter.
const KeyConverter CONVERTER{};

// https://github.com/llvm/llvm-project/issues/53444
// NOLINTNEXTLINE(misc-unused-using-decls)
using miniscript::operator"" _mst;

enum TestMode : int {
    TESTMODE_INVALID = 0,
    TESTMODE_VALID = 1,
    TESTMODE_NONMAL = 2,
    TESTMODE_NEEDSIG = 4,
    TESTMODE_TIMELOCKMIX = 8
};

void Test(const std::string& ms, const std::string& hexscript, int mode, int opslimit = -1, int stacklimit = -1)
{
    auto node = miniscript::FromString(ms, CONVERTER);
    if (mode == TESTMODE_INVALID) {
        BOOST_CHECK_MESSAGE(!node || !node->IsValid(), "Unexpectedly valid: " + ms);
    } else {
        BOOST_CHECK_MESSAGE(node, "Unparseable: " + ms);
        BOOST_CHECK_MESSAGE(node->IsValid(), "Invalid: " + ms);
        BOOST_CHECK_MESSAGE(node->IsValidTopLevel(), "Invalid top level: " + ms);
        auto computed_script = node->ToScript(CONVERTER);
        BOOST_CHECK_MESSAGE(node->ScriptSize() == computed_script.size(), "Script size mismatch: " + ms);
        if (hexscript != "?") BOOST_CHECK_MESSAGE(HexStr(computed_script) == hexscript, "Script mismatch: " + ms + " (" + HexStr(computed_script) + " vs " + hexscript + ")");
        BOOST_CHECK_MESSAGE(node->IsNonMalleable() == !!(mode & TESTMODE_NONMAL), "Malleability mismatch: " + ms);
        BOOST_CHECK_MESSAGE(node->NeedsSignature() == !!(mode & TESTMODE_NEEDSIG), "Signature necessity mismatch: " + ms);
        BOOST_CHECK_MESSAGE((node->GetType() << "k"_mst) == !(mode & TESTMODE_TIMELOCKMIX), "Timelock mix mismatch: " + ms);
        auto inferred_miniscript = miniscript::FromScript(computed_script, CONVERTER);
        BOOST_CHECK_MESSAGE(inferred_miniscript, "Cannot infer miniscript from script: " + ms);
        BOOST_CHECK_MESSAGE(inferred_miniscript->ToScript(CONVERTER) == computed_script, "Roundtrip failure: miniscript->script != miniscript->script->miniscript->script: " + ms);
        if (opslimit != -1) BOOST_CHECK_MESSAGE((int)node->GetOps() == opslimit, "Ops limit mismatch: " << ms << " (" << node->GetOps() << " vs " << opslimit << ")");
        if (stacklimit != -1) BOOST_CHECK_MESSAGE((int)node->GetStackSize() == stacklimit, "Stack limit mismatch: " << ms << " (" << node->GetStackSize() << " vs " << stacklimit << ")");
    }
}
} // namespace

BOOST_FIXTURE_TEST_SUITE(miniscript_tests, BasicTestingSetup)

BOOST_AUTO_TEST_CASE(fixed_tests)
{
    g_testdata.reset(new TestData());

    // Validity rules
    Test("l:older(1)", "?", TESTMODE_VALID | TESTMODE_NONMAL); // older(1): valid
    Test("l:older(0)", "?", TESTMODE_INVALID); // older(0): k must be at least 1
    Test("l:older(2147483647)", "?", TESTMODE_VALID | TESTMODE_NONMAL); // older(2147483647): valid
    Test("l:older(2147483648)", "?", TESTMODE_INVALID); // older(2147483648): k must be below 2^31
    Test("u:after(1)", "?", TESTMODE_VALID | TESTMODE_NONMAL); // after(1): valid
    Test("u:after(0)", "?", TESTMODE_INVALID); // after(0): k must be at least 1
    Test("u:after(2147483647)", "?", TESTMODE_VALID | TESTMODE_NONMAL); // after(2147483647): valid
    Test("u:after(2147483648)", "?", TESTMODE_INVALID); // after(2147483648): k must be below 2^31
    Test("andor(0,1,1)", "?", TESTMODE_VALID | TESTMODE_NONMAL); // andor(Bdu,B,B): valid
    Test("andor(a:0,1,1)", "?", TESTMODE_INVALID); // andor(Wdu,B,B): X must be B
    Test("andor(0,a:1,a:1)", "?", TESTMODE_INVALID); // andor(Bdu,W,W): Y and Z must be B/V/K
    Test("andor(1,1,1)", "?", TESTMODE_INVALID); // andor(Bu,B,B): X must be d
    Test("andor(n:or_i(0,after(1)),1,1)", "?", TESTMODE_VALID); // andor(Bdu,B,B): valid
    Test("andor(or_i(0,after(1)),1,1)", "?", TESTMODE_INVALID); // andor(Bd,B,B): X must be u
    Test("c:andor(0,pk_k(03a0434d9e47f3c86235477c7b1ae6ae5d3442d49b1943c2b752a68e2a47e247c7),pk_k(036d2b085e9e382ed10b69fc311a03f8641ccfff21574de0927513a49d9a688a00))", "?", TESTMODE_VALID | TESTMODE_NONMAL | TESTMODE_NEEDSIG); // andor(Bdu,K,K): valid
    Test("t:andor(0,v:1,v:1)", "?", TESTMODE_VALID | TESTMODE_NONMAL); // andor(Bdu,V,V): valid
    Test("and_v(v:1,1)", "?", TESTMODE_VALID | TESTMODE_NONMAL); // and_v(V,B): valid
    Test("t:and_v(v:1,v:1)", "?", TESTMODE_VALID | TESTMODE_NONMAL); // and_v(V,V): valid
    Test("c:and_v(v:1,pk_k(036d2b085e9e382ed10b69fc311a03f8641ccfff21574de0927513a49d9a688a00))", "?", TESTMODE_VALID | TESTMODE_NONMAL | TESTMODE_NEEDSIG); // and_v(V,K): valid
    Test("and_v(1,1)", "?", TESTMODE_INVALID); // and_v(B,B): X must be V
    Test("and_v(pk_k(02352bbf4a4cdd12564f93fa332ce333301d9ad40271f8107181340aef25be59d5),1)", "?", TESTMODE_INVALID); // and_v(K,B): X must be V
    Test("and_v(v:1,a:1)", "?", TESTMODE_INVALID); // and_v(K,W): Y must be B/V/K
    Test("and_b(1,a:1)", "?", TESTMODE_VALID | TESTMODE_NONMAL); // and_b(B,W): valid
    Test("and_b(1,1)", "?", TESTMODE_INVALID); // and_b(B,B): Y must W
    Test("and_b(v:1,a:1)", "?", TESTMODE_INVALID); // and_b(V,W): X must be B
    Test("and_b(a:1,a:1)", "?", TESTMODE_INVALID); // and_b(W,W): X must be B
    Test("and_b(pk_k(025601570cb47f238d2b0286db4a990fa0f3ba28d1a319f5e7cf55c2a2444da7cc),a:1)", "?", TESTMODE_INVALID); // and_b(K,W): X must be B
    Test("or_b(0,a:0)", "?", TESTMODE_VALID | TESTMODE_NONMAL | TESTMODE_NEEDSIG); // or_b(Bd,Wd): valid
    Test("or_b(1,a:0)", "?", TESTMODE_INVALID); // or_b(B,Wd): X must be d
    Test("or_b(0,a:1)", "?", TESTMODE_INVALID); // or_b(Bd,W): Y must be d
    Test("or_b(0,0)", "?", TESTMODE_INVALID); // or_b(Bd,Bd): Y must W
    Test("or_b(v:0,a:0)", "?", TESTMODE_INVALID); // or_b(V,Wd): X must be B
    Test("or_b(a:0,a:0)", "?", TESTMODE_INVALID); // or_b(Wd,Wd): X must be B
    Test("or_b(pk_k(025601570cb47f238d2b0286db4a990fa0f3ba28d1a319f5e7cf55c2a2444da7cc),a:0)", "?", TESTMODE_INVALID); // or_b(Kd,Wd): X must be B
    Test("t:or_c(0,v:1)", "?", TESTMODE_VALID | TESTMODE_NONMAL); // or_c(Bdu,V): valid
    Test("t:or_c(a:0,v:1)", "?", TESTMODE_INVALID); // or_c(Wdu,V): X must be B
    Test("t:or_c(1,v:1)", "?", TESTMODE_INVALID); // or_c(Bu,V): X must be d
    Test("t:or_c(n:or_i(0,after(1)),v:1)", "?", TESTMODE_VALID); // or_c(Bdu,V): valid
    Test("t:or_c(or_i(0,after(1)),v:1)", "?", TESTMODE_INVALID); // or_c(Bd,V): X must be u
    Test("t:or_c(0,1)", "?", TESTMODE_INVALID); // or_c(Bdu,B): Y must be V
    Test("or_d(0,1)", "?", TESTMODE_VALID | TESTMODE_NONMAL); // or_d(Bdu,B): valid
    Test("or_d(a:0,1)", "?", TESTMODE_INVALID); // or_d(Wdu,B): X must be B
    Test("or_d(1,1)", "?", TESTMODE_INVALID); // or_d(Bu,B): X must be d
    Test("or_d(n:or_i(0,after(1)),1)", "?", TESTMODE_VALID); // or_d(Bdu,B): valid
    Test("or_d(or_i(0,after(1)),1)", "?", TESTMODE_INVALID); // or_d(Bd,B): X must be u
    Test("or_d(0,v:1)", "?", TESTMODE_INVALID); // or_d(Bdu,V): Y must be B
    Test("or_i(1,1)", "?", TESTMODE_VALID); // or_i(B,B): valid
    Test("t:or_i(v:1,v:1)", "?", TESTMODE_VALID); // or_i(V,V): valid
    Test("c:or_i(pk_k(03a0434d9e47f3c86235477c7b1ae6ae5d3442d49b1943c2b752a68e2a47e247c7),pk_k(036d2b085e9e382ed10b69fc311a03f8641ccfff21574de0927513a49d9a688a00))", "?", TESTMODE_VALID | TESTMODE_NONMAL | TESTMODE_NEEDSIG); // or_i(K,K): valid
    Test("or_i(a:1,a:1)", "?", TESTMODE_INVALID); // or_i(W,W): X and Y must be B/V/K
    Test("or_b(l:after(100),al:after(1000000000))", "?", TESTMODE_VALID); // or_b(timelock, heighlock) valid
    Test("and_b(after(100),a:after(1000000000))", "?", TESTMODE_VALID | TESTMODE_NONMAL | TESTMODE_TIMELOCKMIX); // and_b(timelock, heighlock) invalid
    Test("pk(03d30199d74fb5a22d47b6e054e2f378cedacffcb89904a61d75d0dbd407143e65)", "2103d30199d74fb5a22d47b6e054e2f378cedacffcb89904a61d75d0dbd407143e65ac", TESTMODE_VALID | TESTMODE_NONMAL | TESTMODE_NEEDSIG); // alias to c:pk_k
    Test("pkh(03d30199d74fb5a22d47b6e054e2f378cedacffcb89904a61d75d0dbd407143e65)", "76a914fcd35ddacad9f2d5be5e464639441c6065e6955d88ac", TESTMODE_VALID | TESTMODE_NONMAL | TESTMODE_NEEDSIG); // alias to c:pk_h


    // Randomly generated test set that covers the majority of type and node type combinations
    Test("lltvln:after(1231488000)", "6300676300676300670400046749b1926869516868", TESTMODE_VALID | TESTMODE_NONMAL, 12, 4);
    Test("uuj:and_v(v:multi(2,03d01115d548e7561b15c38f004d734633687cf4419620095bc5b0f47070afe85a,025601570cb47f238d2b0286db4a990fa0f3ba28d1a319f5e7cf55c2a2444da7cc),after(1231488000))", "6363829263522103d01115d548e7561b15c38f004d734633687cf4419620095bc5b0f47070afe85a21025601570cb47f238d2b0286db4a990fa0f3ba28d1a319f5e7cf55c2a2444da7cc52af0400046749b168670068670068", TESTMODE_VALID | TESTMODE_NONMAL | TESTMODE_NEEDSIG, 14, 6);
    Test("or_b(un:multi(2,03daed4f2be3a8bf278e70132fb0beb7522f570e144bf615c07e996d443dee8729,024ce119c96e2fa357200b559b2f7dd5a5f02d5290aff74b03f3e471b273211c97),al:older(16))", "63522103daed4f2be3a8bf278e70132fb0beb7522f570e144bf615c07e996d443dee872921024ce119c96e2fa357200b559b2f7dd5a5f02d5290aff74b03f3e471b273211c9752ae926700686b63006760b2686c9b", TESTMODE_VALID, 14, 6);
    Test("j:and_v(vdv:after(1567547623),older(2016))", "829263766304e7e06e5db169686902e007b268", TESTMODE_VALID | TESTMODE_NONMAL, 11, 2);
    Test("t:and_v(vu:hash256(131772552c01444cd81360818376a040b7c3b2b7b0a53550ee3edde216cec61b),v:sha256(ec4916dd28fc4c10d78e287ca5d9cc51ee1ae73cbfde08c6b37324cbfaac8bc5))", "6382012088aa20131772552c01444cd81360818376a040b7c3b2b7b0a53550ee3edde216cec61b876700686982012088a820ec4916dd28fc4c10d78e287ca5d9cc51ee1ae73cbfde08c6b37324cbfaac8bc58851", TESTMODE_VALID | TESTMODE_NONMAL, 12, 4);
    Test("t:andor(multi(3,02d7924d4f7d43ea965a465ae3095ff41131e5946f3c85f79e44adbcf8e27e080e,03fff97bd5755eeea420453a14355235d382f6472f8568a18b2f057a1460297556,02e493dbf1c10d80f3581e4904930b1404cc6c13900ee0758474fa94abe8c4cd13),v:older(4194305),v:sha256(9267d3dbed802941483f1afa2a6bc68de5f653128aca9bf1461c5d0a3ad36ed2))", "532102d7924d4f7d43ea965a465ae3095ff41131e5946f3c85f79e44adbcf8e27e080e2103fff97bd5755eeea420453a14355235d382f6472f8568a18b2f057a14602975562102e493dbf1c10d80f3581e4904930b1404cc6c13900ee0758474fa94abe8c4cd1353ae6482012088a8209267d3dbed802941483f1afa2a6bc68de5f653128aca9bf1461c5d0a3ad36ed2886703010040b2696851", TESTMODE_VALID | TESTMODE_NONMAL, 13, 6);
    Test("or_d(multi(1,02f9308a019258c31049344f85f89d5229b531c845836f99b08601f113bce036f9),or_b(multi(3,022f01e5e15cca351daff3843fb70f3c2f0a1bdd05e5af888a67784ef3e10a2a01,032fa2104d6b38d11b0230010559879124e42ab8dfeff5ff29dc9cdadd4ecacc3f,03d01115d548e7561b15c38f004d734633687cf4419620095bc5b0f47070afe85a),su:after(500000)))", "512102f9308a019258c31049344f85f89d5229b531c845836f99b08601f113bce036f951ae73645321022f01e5e15cca351daff3843fb70f3c2f0a1bdd05e5af888a67784ef3e10a2a0121032fa2104d6b38d11b0230010559879124e42ab8dfeff5ff29dc9cdadd4ecacc3f2103d01115d548e7561b15c38f004d734633687cf4419620095bc5b0f47070afe85a53ae7c630320a107b16700689b68", TESTMODE_VALID | TESTMODE_NONMAL, 15, 8);
    Test("or_d(sha256(38df1c1f64a24a77b23393bca50dff872e31edc4f3b5aa3b90ad0b82f4f089b6),and_n(un:after(499999999),older(4194305)))", "82012088a82038df1c1f64a24a77b23393bca50dff872e31edc4f3b5aa3b90ad0b82f4f089b68773646304ff64cd1db19267006864006703010040b26868", TESTMODE_VALID, 16, 2);
    Test("and_v(or_i(v:multi(2,02c6047f9441ed7d6d3045406e95c07cd85c778e4b8cef3ca7abac09b95c709ee5,03774ae7f858a9411e5ef4246b70c65aac5649980be5c17891bbec17895da008cb),v:multi(2,03e60fce93b59e9ec53011aabc21c23e97b2a31369b87a5ae9c44ee89e2a6dec0a,025cbdf0646e5db4eaa398f365f2ea7a0e3d419b7e0330e39ce92bddedcac4f9bc)),sha256(d1ec675902ef1633427ca360b290b0b3045a0d9058ddb5e648b4c3c3224c5c68))", "63522102c6047f9441ed7d6d3045406e95c07cd85c778e4b8cef3ca7abac09b95c709ee52103774ae7f858a9411e5ef4246b70c65aac5649980be5c17891bbec17895da008cb52af67522103e60fce93b59e9ec53011aabc21c23e97b2a31369b87a5ae9c44ee89e2a6dec0a21025cbdf0646e5db4eaa398f365f2ea7a0e3d419b7e0330e39ce92bddedcac4f9bc52af6882012088a820d1ec675902ef1633427ca360b290b0b3045a0d9058ddb5e648b4c3c3224c5c6887", TESTMODE_VALID | TESTMODE_NONMAL | TESTMODE_NEEDSIG, 11, 6);
    Test("j:and_b(multi(2,0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798,024ce119c96e2fa357200b559b2f7dd5a5f02d5290aff74b03f3e471b273211c97),s:or_i(older(1),older(4252898)))", "82926352210279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f8179821024ce119c96e2fa357200b559b2f7dd5a5f02d5290aff74b03f3e471b273211c9752ae7c6351b26703e2e440b2689a68", TESTMODE_VALID | TESTMODE_NEEDSIG, 14, 5);
    Test("and_b(older(16),s:or_d(sha256(e38990d0c7fc009880a9c07c23842e886c6bbdc964ce6bdd5817ad357335ee6f),n:after(1567547623)))", "60b27c82012088a820e38990d0c7fc009880a9c07c23842e886c6bbdc964ce6bdd5817ad357335ee6f87736404e7e06e5db192689a", TESTMODE_VALID, 12, 2);
    Test("j:and_v(v:hash160(20195b5a3d650c17f0f29f91c33f8f6335193d07),or_d(sha256(96de8fc8c256fa1e1556d41af431cace7dca68707c78dd88c3acab8b17164c47),older(16)))", "82926382012088a91420195b5a3d650c17f0f29f91c33f8f6335193d078882012088a82096de8fc8c256fa1e1556d41af431cace7dca68707c78dd88c3acab8b17164c4787736460b26868", TESTMODE_VALID, 16, 3);
    Test("and_b(hash256(32ba476771d01e37807990ead8719f08af494723de1d228f2c2c07cc0aa40bac),a:and_b(hash256(131772552c01444cd81360818376a040b7c3b2b7b0a53550ee3edde216cec61b),a:older(1)))", "82012088aa2032ba476771d01e37807990ead8719f08af494723de1d228f2c2c07cc0aa40bac876b82012088aa20131772552c01444cd81360818376a040b7c3b2b7b0a53550ee3edde216cec61b876b51b26c9a6c9a", TESTMODE_VALID | TESTMODE_NONMAL, 15, 3);
    Test("thresh(2,multi(2,03a0434d9e47f3c86235477c7b1ae6ae5d3442d49b1943c2b752a68e2a47e247c7,036d2b085e9e382ed10b69fc311a03f8641ccfff21574de0927513a49d9a688a00),a:multi(1,036d2b085e9e382ed10b69fc311a03f8641ccfff21574de0927513a49d9a688a00),ac:pk_k(022f01e5e15cca351daff3843fb70f3c2f0a1bdd05e5af888a67784ef3e10a2a01))", "522103a0434d9e47f3c86235477c7b1ae6ae5d3442d49b1943c2b752a68e2a47e247c721036d2b085e9e382ed10b69fc311a03f8641ccfff21574de0927513a49d9a688a0052ae6b5121036d2b085e9e382ed10b69fc311a03f8641ccfff21574de0927513a49d9a688a0051ae6c936b21022f01e5e15cca351daff3843fb70f3c2f0a1bdd05e5af888a67784ef3e10a2a01ac6c935287", TESTMODE_VALID | TESTMODE_NONMAL | TESTMODE_NEEDSIG, 13, 7);
    Test("and_n(sha256(d1ec675902ef1633427ca360b290b0b3045a0d9058ddb5e648b4c3c3224c5c68),t:or_i(v:older(4252898),v:older(144)))", "82012088a820d1ec675902ef1633427ca360b290b0b3045a0d9058ddb5e648b4c3c3224c5c68876400676303e2e440b26967029000b269685168", TESTMODE_VALID, 14, 3);
    Test("or_d(nd:and_v(v:older(4252898),v:older(4252898)),sha256(38df1c1f64a24a77b23393bca50dff872e31edc4f3b5aa3b90ad0b82f4f089b6))", "766303e2e440b26903e2e440b2696892736482012088a82038df1c1f64a24a77b23393bca50dff872e31edc4f3b5aa3b90ad0b82f4f089b68768", TESTMODE_VALID, 15, 3);
    Test("c:and_v(or_c(sha256(9267d3dbed802941483f1afa2a6bc68de5f653128aca9bf1461c5d0a3ad36ed2),v:multi(1,02c44d12c7065d812e8acf28d7cbb19f9011ecd9e9fdf281b0e6a3b5e87d22e7db)),pk_k(03acd484e2f0c7f65309ad178a9f559abde09796974c57e714c35f110dfc27ccbe))", "82012088a8209267d3dbed802941483f1afa2a6bc68de5f653128aca9bf1461c5d0a3ad36ed28764512102c44d12c7065d812e8acf28d7cbb19f9011ecd9e9fdf281b0e6a3b5e87d22e7db51af682103acd484e2f0c7f65309ad178a9f559abde09796974c57e714c35f110dfc27ccbeac", TESTMODE_VALID | TESTMODE_NEEDSIG, 8, 3);
    Test("c:and_v(or_c(multi(2,036d2b085e9e382ed10b69fc311a03f8641ccfff21574de0927513a49d9a688a00,02352bbf4a4cdd12564f93fa332ce333301d9ad40271f8107181340aef25be59d5),v:ripemd160(1b0f3c404d12075c68c938f9f60ebea4f74941a0)),pk_k(03fff97bd5755eeea420453a14355235d382f6472f8568a18b2f057a1460297556))", "5221036d2b085e9e382ed10b69fc311a03f8641ccfff21574de0927513a49d9a688a002102352bbf4a4cdd12564f93fa332ce333301d9ad40271f8107181340aef25be59d552ae6482012088a6141b0f3c404d12075c68c938f9f60ebea4f74941a088682103fff97bd5755eeea420453a14355235d382f6472f8568a18b2f057a1460297556ac", TESTMODE_VALID | TESTMODE_NONMAL | TESTMODE_NEEDSIG, 10, 6);
    Test("and_v(andor(hash256(8a35d9ca92a48eaade6f53a64985e9e2afeb74dcf8acb4c3721e0dc7e4294b25),v:hash256(939894f70e6c3a25da75da0cc2071b4076d9b006563cf635986ada2e93c0d735),v:older(50000)),after(499999999))", "82012088aa208a35d9ca92a48eaade6f53a64985e9e2afeb74dcf8acb4c3721e0dc7e4294b2587640350c300b2696782012088aa20939894f70e6c3a25da75da0cc2071b4076d9b006563cf635986ada2e93c0d735886804ff64cd1db1", TESTMODE_VALID, 14, 3);
    Test("andor(hash256(5f8d30e655a7ba0d7596bb3ddfb1d2d20390d23b1845000e1e118b3be1b3f040),j:and_v(v:hash160(3a2bff0da9d96868e66abc4427bea4691cf61ccd),older(4194305)),ripemd160(44d90e2d3714c8663b632fcf0f9d5f22192cc4c8))", "82012088aa205f8d30e655a7ba0d7596bb3ddfb1d2d20390d23b1845000e1e118b3be1b3f040876482012088a61444d90e2d3714c8663b632fcf0f9d5f22192cc4c8876782926382012088a9143a2bff0da9d96868e66abc4427bea4691cf61ccd8803010040b26868", TESTMODE_VALID, 20, 3);
    Test("or_i(c:and_v(v:after(500000),pk_k(02c6047f9441ed7d6d3045406e95c07cd85c778e4b8cef3ca7abac09b95c709ee5)),sha256(d9147961436944f43cd99d28b2bbddbf452ef872b30c8279e255e7daafc7f946))", "630320a107b1692102c6047f9441ed7d6d3045406e95c07cd85c778e4b8cef3ca7abac09b95c709ee5ac6782012088a820d9147961436944f43cd99d28b2bbddbf452ef872b30c8279e255e7daafc7f9468768", TESTMODE_VALID | TESTMODE_NONMAL, 10, 3);
    Test("thresh(2,c:pk_h(025cbdf0646e5db4eaa398f365f2ea7a0e3d419b7e0330e39ce92bddedcac4f9bc),s:sha256(e38990d0c7fc009880a9c07c23842e886c6bbdc964ce6bdd5817ad357335ee6f),a:hash160(dd69735817e0e3f6f826a9238dc2e291184f0131))", "76a9145dedfbf9ea599dd4e3ca6a80b333c472fd0b3f6988ac7c82012088a820e38990d0c7fc009880a9c07c23842e886c6bbdc964ce6bdd5817ad357335ee6f87936b82012088a914dd69735817e0e3f6f826a9238dc2e291184f0131876c935287", TESTMODE_VALID, 18, 5);
    Test("and_n(sha256(9267d3dbed802941483f1afa2a6bc68de5f653128aca9bf1461c5d0a3ad36ed2),uc:and_v(v:older(144),pk_k(03fe72c435413d33d48ac09c9161ba8b09683215439d62b7940502bda8b202e6ce)))", "82012088a8209267d3dbed802941483f1afa2a6bc68de5f653128aca9bf1461c5d0a3ad36ed28764006763029000b2692103fe72c435413d33d48ac09c9161ba8b09683215439d62b7940502bda8b202e6ceac67006868", TESTMODE_VALID | TESTMODE_NEEDSIG, 13, 4);
    Test("and_n(c:pk_k(03daed4f2be3a8bf278e70132fb0beb7522f570e144bf615c07e996d443dee8729),and_b(l:older(4252898),a:older(16)))", "2103daed4f2be3a8bf278e70132fb0beb7522f570e144bf615c07e996d443dee8729ac64006763006703e2e440b2686b60b26c9a68", TESTMODE_VALID | TESTMODE_NONMAL | TESTMODE_NEEDSIG | TESTMODE_TIMELOCKMIX, 12, 3);
    Test("c:or_i(and_v(v:older(16),pk_h(02d7924d4f7d43ea965a465ae3095ff41131e5946f3c85f79e44adbcf8e27e080e)),pk_h(026a245bf6dc698504c89a20cfded60853152b695336c28063b61c65cbd269e6b4))", "6360b26976a9149fc5dbe5efdce10374a4dd4053c93af540211718886776a9142fbd32c8dd59ee7c17e66cb6ebea7e9846c3040f8868ac", TESTMODE_VALID | TESTMODE_NONMAL | TESTMODE_NEEDSIG, 12, 4);
    Test("or_d(c:pk_h(02e493dbf1c10d80f3581e4904930b1404cc6c13900ee0758474fa94abe8c4cd13),andor(c:pk_k(024ce119c96e2fa357200b559b2f7dd5a5f02d5290aff74b03f3e471b273211c97),older(2016),after(1567547623)))", "76a914c42e7ef92fdb603af844d064faad95db9bcdfd3d88ac736421024ce119c96e2fa357200b559b2f7dd5a5f02d5290aff74b03f3e471b273211c97ac6404e7e06e5db16702e007b26868", TESTMODE_VALID | TESTMODE_NONMAL, 13, 4);
    Test("c:andor(ripemd160(6ad07d21fd5dfc646f0b30577045ce201616b9ba),pk_h(02d7924d4f7d43ea965a465ae3095ff41131e5946f3c85f79e44adbcf8e27e080e),and_v(v:hash256(8a35d9ca92a48eaade6f53a64985e9e2afeb74dcf8acb4c3721e0dc7e4294b25),pk_h(03d01115d548e7561b15c38f004d734633687cf4419620095bc5b0f47070afe85a)))", "82012088a6146ad07d21fd5dfc646f0b30577045ce201616b9ba876482012088aa208a35d9ca92a48eaade6f53a64985e9e2afeb74dcf8acb4c3721e0dc7e4294b258876a914dd100be7d9aea5721158ebde6d6a1fd8fff93bb1886776a9149fc5dbe5efdce10374a4dd4053c93af5402117188868ac", TESTMODE_VALID | TESTMODE_NEEDSIG, 18, 4);
    Test("c:andor(u:ripemd160(6ad07d21fd5dfc646f0b30577045ce201616b9ba),pk_h(03daed4f2be3a8bf278e70132fb0beb7522f570e144bf615c07e996d443dee8729),or_i(pk_h(022f01e5e15cca351daff3843fb70f3c2f0a1bdd05e5af888a67784ef3e10a2a01),pk_h(0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798)))", "6382012088a6146ad07d21fd5dfc646f0b30577045ce201616b9ba87670068646376a9149652d86bedf43ad264362e6e6eba6eb764508127886776a914751e76e8199196d454941c45d1b3a323f1433bd688686776a91420d637c1a6404d2227f3561fdbaff5a680dba6488868ac", TESTMODE_VALID | TESTMODE_NEEDSIG, 23, 5);
    Test("c:or_i(andor(c:pk_h(03d30199d74fb5a22d47b6e054e2f378cedacffcb89904a61d75d0dbd407143e65),pk_h(022f01e5e15cca351daff3843fb70f3c2f0a1bdd05e5af888a67784ef3e10a2a01),pk_h(02c6047f9441ed7d6d3045406e95c07cd85c778e4b8cef3ca7abac09b95c709ee5)),pk_k(02d7924d4f7d43ea965a465ae3095ff41131e5946f3c85f79e44adbcf8e27e080e))", "6376a914fcd35ddacad9f2d5be5e464639441c6065e6955d88ac6476a91406afd46bcdfd22ef94ac122aa11f241244a37ecc886776a9149652d86bedf43ad264362e6e6eba6eb7645081278868672102d7924d4f7d43ea965a465ae3095ff41131e5946f3c85f79e44adbcf8e27e080e68ac", TESTMODE_VALID | TESTMODE_NONMAL | TESTMODE_NEEDSIG, 17, 6);
    Test("thresh(1,c:pk_k(03d30199d74fb5a22d47b6e054e2f378cedacffcb89904a61d75d0dbd407143e65),altv:after(1000000000),altv:after(100))", "2103d30199d74fb5a22d47b6e054e2f378cedacffcb89904a61d75d0dbd407143e65ac6b6300670400ca9a3bb16951686c936b6300670164b16951686c935187", TESTMODE_VALID, 18, 4);
    Test("thresh(2,c:pk_k(03d30199d74fb5a22d47b6e054e2f378cedacffcb89904a61d75d0dbd407143e65),ac:pk_k(03fff97bd5755eeea420453a14355235d382f6472f8568a18b2f057a1460297556),altv:after(1000000000),altv:after(100))", "2103d30199d74fb5a22d47b6e054e2f378cedacffcb89904a61d75d0dbd407143e65ac6b2103fff97bd5755eeea420453a14355235d382f6472f8568a18b2f057a1460297556ac6c936b6300670400ca9a3bb16951686c936b6300670164b16951686c935287", TESTMODE_VALID | TESTMODE_NONMAL | TESTMODE_TIMELOCKMIX, 22, 5);

    // Misc unit tests
    // A Script with a non minimal push is invalid
    std::vector<unsigned char> nonminpush = ParseHex("0000210232780000feff00ffffffffffff21ff005f00ae21ae00000000060602060406564c2102320000060900fe00005f00ae21ae00100000060606060606000000000000000000000000000000000000000000000000000000000000000000");
    const CScript nonminpush_script(nonminpush.begin(), nonminpush.end());
    BOOST_CHECK(miniscript::FromScript(nonminpush_script, CONVERTER) == nullptr);
    // A non-minimal VERIFY (<key> CHECKSIG VERIFY 1)
    std::vector<unsigned char> nonminverify = ParseHex("2103a0434d9e47f3c86235477c7b1ae6ae5d3442d49b1943c2b752a68e2a47e247c7ac6951");
    const CScript nonminverify_script(nonminverify.begin(), nonminverify.end());
    BOOST_CHECK(miniscript::FromScript(nonminverify_script, CONVERTER) == nullptr);
    // A threshold as large as the number of subs is valid.
    Test("thresh(2,c:pk_k(03d30199d74fb5a22d47b6e054e2f378cedacffcb89904a61d75d0dbd407143e65),altv:after(100))", "2103d30199d74fb5a22d47b6e054e2f378cedacffcb89904a61d75d0dbd407143e65ac6b6300670164b16951686c935287", TESTMODE_VALID | TESTMODE_NEEDSIG | TESTMODE_NONMAL);
    // A threshold of 1 is valid.
    Test("thresh(1,c:pk_k(03d30199d74fb5a22d47b6e054e2f378cedacffcb89904a61d75d0dbd407143e65),sc:pk_k(03fff97bd5755eeea420453a14355235d382f6472f8568a18b2f057a1460297556))", "2103d30199d74fb5a22d47b6e054e2f378cedacffcb89904a61d75d0dbd407143e65ac7c2103fff97bd5755eeea420453a14355235d382f6472f8568a18b2f057a1460297556ac935187", TESTMODE_VALID | TESTMODE_NEEDSIG | TESTMODE_NONMAL);
    // A threshold with a k larger than the number of subs is invalid
    Test("thresh(3,c:pk_k(03d30199d74fb5a22d47b6e054e2f378cedacffcb89904a61d75d0dbd407143e65),sc:pk_k(03fff97bd5755eeea420453a14355235d382f6472f8568a18b2f057a1460297556))", "2103d30199d74fb5a22d47b6e054e2f378cedacffcb89904a61d75d0dbd407143e65ac7c2103fff97bd5755eeea420453a14355235d382f6472f8568a18b2f057a1460297556ac935187", TESTMODE_INVALID);
    // A threshold with a k null is invalid
    Test("thresh(0,c:pk_k(03d30199d74fb5a22d47b6e054e2f378cedacffcb89904a61d75d0dbd407143e65),sc:pk_k(03fff97bd5755eeea420453a14355235d382f6472f8568a18b2f057a1460297556))", "2103d30199d74fb5a22d47b6e054e2f378cedacffcb89904a61d75d0dbd407143e65ac7c2103fff97bd5755eeea420453a14355235d382f6472f8568a18b2f057a1460297556ac935187", TESTMODE_INVALID);
    // For CHECKMULTISIG the OP cost is the number of keys, but the stack size is the number of sigs (+1)
    const auto ms_multi = miniscript::FromString("multi(1,03d30199d74fb5a22d47b6e054e2f378cedacffcb89904a61d75d0dbd407143e65,03fff97bd5755eeea420453a14355235d382f6472f8568a18b2f057a1460297556,0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798)", CONVERTER);
    BOOST_CHECK(ms_multi);
    BOOST_CHECK_EQUAL(ms_multi->GetOps(), 4); // 3 pubkeys + CMS
    BOOST_CHECK_EQUAL(ms_multi->GetStackSize(), 3); // 1 sig + dummy elem + script push
    // The 'd:' wrapper leaves on the stack what was DUP'ed at the beginning of its execution.
    // Since it contains an OP_IF just after on the same element, we can make sure that the element
    // in question must be OP_1 if OP_IF enforces that its argument must only be OP_1 or the empty
    // vector (since otherwise the execution would immediately fail). This is the MINIMALIF rule.
    // Unfortunately, this rule is consensus for Taproot but only policy for P2WSH. Therefore we can't
    // (for now) have 'd:' be 'u'. This tests we can't use a 'd:' wrapper for a thresh, which requires
    // its subs to all be 'u' (taken from https://github.com/rust-bitcoin/rust-miniscript/discussions/341).
    const auto ms_minimalif = miniscript::FromString("thresh(3,c:pk_k(03d30199d74fb5a22d47b6e054e2f378cedacffcb89904a61d75d0dbd407143e65),sc:pk_k(03fff97bd5755eeea420453a14355235d382f6472f8568a18b2f057a1460297556),sc:pk_k(0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798),sdv:older(32))", CONVERTER);
    BOOST_CHECK(ms_minimalif && !ms_minimalif->IsValid());
    // A Miniscript with duplicate keys is not sane
    const auto ms_dup1 = miniscript::FromString("and_v(v:pk(03d30199d74fb5a22d47b6e054e2f378cedacffcb89904a61d75d0dbd407143e65),pk(03d30199d74fb5a22d47b6e054e2f378cedacffcb89904a61d75d0dbd407143e65))", CONVERTER);
    BOOST_CHECK(ms_dup1);
    BOOST_CHECK(!ms_dup1->IsSane() && !ms_dup1->CheckDuplicateKey());
    // Same with a disjunction, and different key nodes (pk and pkh)
    const auto ms_dup2 = miniscript::FromString("or_b(c:pk_k(03d30199d74fb5a22d47b6e054e2f378cedacffcb89904a61d75d0dbd407143e65),ac:pk_h(03d30199d74fb5a22d47b6e054e2f378cedacffcb89904a61d75d0dbd407143e65))", CONVERTER);
    BOOST_CHECK(ms_dup2 && !ms_dup2->IsSane() && !ms_dup2->CheckDuplicateKey());
    // Same when the duplicates are leaves or a larger tree
    const auto ms_dup3 = miniscript::FromString("or_i(and_b(pk(03d30199d74fb5a22d47b6e054e2f378cedacffcb89904a61d75d0dbd407143e65),s:pk(03fff97bd5755eeea420453a14355235d382f6472f8568a18b2f057a1460297556)),and_b(older(1),s:pk(03d30199d74fb5a22d47b6e054e2f378cedacffcb89904a61d75d0dbd407143e65)))", CONVERTER);
    BOOST_CHECK(ms_dup3 && !ms_dup3->IsSane() && !ms_dup3->CheckDuplicateKey());
    // Same when the duplicates are on different levels in the tree
    const auto ms_dup4 = miniscript::FromString("thresh(2,pkh(03d30199d74fb5a22d47b6e054e2f378cedacffcb89904a61d75d0dbd407143e65),s:pk(03fff97bd5755eeea420453a14355235d382f6472f8568a18b2f057a1460297556),a:and_b(dv:older(1),s:pk(03d30199d74fb5a22d47b6e054e2f378cedacffcb89904a61d75d0dbd407143e65)))", CONVERTER);
    BOOST_CHECK(ms_dup4 && !ms_dup4->IsSane() && !ms_dup4->CheckDuplicateKey());
    // Sanity check the opposite is true, too. An otherwise sane Miniscript with no duplicate keys is sane.
    const auto ms_nondup = miniscript::FromString("pk(03d30199d74fb5a22d47b6e054e2f378cedacffcb89904a61d75d0dbd407143e65)", CONVERTER);
    BOOST_CHECK(ms_nondup && ms_nondup->CheckDuplicateKey() && ms_nondup->IsSane());
    // Test we find the first insane sub closer to be a leaf node. This fragment is insane for two reasons:
    // 1. It can be spent without a signature
    // 2. It contains timelock mixes
    // We'll report the timelock mix error, as it's "deeper" (closer to be a leaf node) than the "no 's' property"
    // error is.
    const auto ms_ins = miniscript::FromString("or_i(and_b(after(1),a:after(1000000000)),pk(03cdabb7f2dce7bfbd8a0b9570c6fd1e712e5d64045e9d6b517b3d5072251dc204))", CONVERTER);
    BOOST_CHECK(ms_ins && ms_ins->IsValid() && !ms_ins->IsSane());
    const auto insane_sub = ms_ins->FindInsaneSub();
    BOOST_CHECK(insane_sub && *insane_sub->ToString(CONVERTER) == "and_b(after(1),a:after(1000000000))");

    // Timelock tests
    Test("after(100)", "?", TESTMODE_VALID | TESTMODE_NONMAL); // only heightlock
    Test("after(1000000000)", "?", TESTMODE_VALID | TESTMODE_NONMAL); // only timelock
    Test("or_b(l:after(100),al:after(1000000000))", "?", TESTMODE_VALID); // or_b(timelock, heighlock) valid
    Test("and_b(after(100),a:after(1000000000))", "?", TESTMODE_VALID | TESTMODE_NONMAL | TESTMODE_TIMELOCKMIX); // and_b(timelock, heighlock) invalid
    /* This is correctly detected as non-malleable but for the wrong reason. The type system assumes that branches 1 and 2
       can be spent together to create a non-malleble witness, but because of mixing of timelocks they cannot be spent together.
       But since exactly one of the two after's can be satisfied, the witness involving the key cannot be malleated.
    */
    Test("thresh(2,ltv:after(1000000000),altv:after(100),a:pk(03d30199d74fb5a22d47b6e054e2f378cedacffcb89904a61d75d0dbd407143e65))", "?", TESTMODE_VALID | TESTMODE_TIMELOCKMIX | TESTMODE_NONMAL); // thresh with k = 2
    // This is actually non-malleable in practice, but we cannot detect it in type system. See above rationale
    Test("thresh(1,c:pk_k(03d30199d74fb5a22d47b6e054e2f378cedacffcb89904a61d75d0dbd407143e65),altv:after(1000000000),altv:after(100))", "?", TESTMODE_VALID); // thresh with k = 1


    g_testdata.reset();
}

BOOST_AUTO_TEST_SUITE_END()