Function Test

src/test/fuzz/script_assets_test_minimizer.cpp:146–187

}

void Test(const std::string& str)
{
    UniValue test;
    if (!test.read(str) || !test.isObject()) throw std::runtime_error("Non-object test input");

    CMutableTransaction tx = TxFromHex(test["tx"].get_str());
    const std::vector<CTxOut> prevouts = TxOutsFromJSON(test["prevouts"]);
    if (prevouts.size() != tx.vin.size()) throw std::runtime_error("Incorrect number of prevouts");
    size_t idx = test["index"].getInt<int64_t>();
    if (idx >= tx.vin.size()) throw std::runtime_error("Invalid index");
    script_verify_flags test_flags = ParseScriptFlags(test["flags"].get_str());
    bool final = test.exists("final") && test["final"].get_bool();

    if (test.exists("success")) {
        tx.vin[idx].scriptSig = ScriptFromHex(test["success"]["scriptSig"].get_str());
        tx.vin[idx].scriptWitness = ScriptWitnessFromJSON(test["success"]["witness"]);
        PrecomputedTransactionData txdata;
        txdata.Init(tx, std::vector<CTxOut>(prevouts));
        MutableTransactionSignatureChecker txcheck(&tx, idx, prevouts[idx].nValue, txdata, MissingDataBehavior::ASSERT_FAIL);
        for (const auto flags : ALL_FLAGS) {
            // "final": true tests are valid for all flags. Others are only valid with flags that are
            // a subset of test_flags.
            if (final || ((flags & test_flags) == flags)) {
                (void)VerifyScript(tx.vin[idx].scriptSig, prevouts[idx].scriptPubKey, &tx.vin[idx].scriptWitness, flags, txcheck, nullptr);
            }
        }
    }

    if (test.exists("failure")) {
        tx.vin[idx].scriptSig = ScriptFromHex(test["failure"]["scriptSig"].get_str());
        tx.vin[idx].scriptWitness = ScriptWitnessFromJSON(test["failure"]["witness"]);
        PrecomputedTransactionData txdata;
        txdata.Init(tx, std::vector<CTxOut>(prevouts));
        MutableTransactionSignatureChecker txcheck(&tx, idx, prevouts[idx].nValue, txdata, MissingDataBehavior::ASSERT_FAIL);
        for (const auto flags : ALL_FLAGS) {
            // If a test is supposed to fail with test_flags, it should also fail with any superset thereof.
            if ((flags & test_flags) == test_flags) {
                (void)VerifyScript(tx.vin[idx].scriptSig, prevouts[idx].scriptPubKey, &tx.vin[idx].scriptWitness, flags, txcheck, nullptr);
            }
        }
    }
}

void test_init() {}