Class MutableTransactionSignatureCreator

src/script/sign.h:37–51

A signature creator for transactions. */

/** A signature creator for transactions. */
class MutableTransactionSignatureCreator : public BaseSignatureCreator {
    const CMutableTransaction* txTo;
    unsigned int nIn;
    int nHashType;
    CConfidentialValue amount;
    const MutableTransactionSignatureChecker checker;
    const PrecomputedTransactionData* m_txdata;

public:
    MutableTransactionSignatureCreator(const CMutableTransaction* tx, unsigned int input_idx, const CConfidentialValue& amount, int hash_type);
    MutableTransactionSignatureCreator(const CMutableTransaction* tx, unsigned int input_idx, const CConfidentialValue& amount, const PrecomputedTransactionData* txdata, int hash_type);
    const BaseSignatureChecker& Checker() const override { return checker; }
    bool CreateSig(const SigningProvider& provider, std::vector<unsigned char>& vchSig, const CKeyID& keyid, const CScript& scriptCode, SigVersion sigversion, unsigned int flags) const override;
    bool CreateSchnorrSig(const SigningProvider& provider, std::vector<unsigned char>& sig, const XOnlyPubKey& pubkey, const uint256* leaf_hash, const uint256* merkle_root, SigVersion sigversion) const override;
};

/** A signature creator that just produces 71-byte empty signatures. */
extern const BaseSignatureCreator& DUMMY_SIGNATURE_CREATOR;