Class CScriptCheck

src/validation.h:338–359

* Closure representing one script verification * Note that this stores references to the spending transaction */

 * Note that this stores references to the spending transaction
 */
class CScriptCheck
{
private:
    CTxOut m_tx_out;
    const CTransaction *ptxTo;
    unsigned int nIn;
    script_verify_flags m_flags;
    bool cacheStore;
    PrecomputedTransactionData *txdata;
    SignatureCache* m_signature_cache;

public:
    CScriptCheck(const CTxOut& outIn, const CTransaction& txToIn, SignatureCache& signature_cache, unsigned int nInIn, script_verify_flags flags, bool cacheIn, PrecomputedTransactionData* txdataIn) :
        m_tx_out(outIn), ptxTo(&txToIn), nIn(nInIn), m_flags(flags), cacheStore(cacheIn), txdata(txdataIn), m_signature_cache(&signature_cache) { }

    CScriptCheck(const CScriptCheck&) = delete;
    CScriptCheck& operator=(const CScriptCheck&) = delete;
    CScriptCheck(CScriptCheck&&) = default;
    CScriptCheck& operator=(CScriptCheck&&) = default;

    std::optional<std::pair<ScriptError, std::string>> operator()();
};

// CScriptCheck is used a lot in std::vector, make sure that's efficient
static_assert(std::is_nothrow_move_assignable_v<CScriptCheck>);