Method GetPrivKey

src/script/descriptor.cpp:777–785

    }

    void GetPrivKey(int pos, const SigningProvider& arg, FlatSigningProvider& out) const override
    {
        // Get the private keys for any participants that we have
        // If there is participant derivation, it will be done.
        // If there is not, then the participant privkeys will be included directly
        for (const auto& prov : m_participants) {
            prov->GetPrivKey(pos, arg, out);
        }
    }

    // Get RootPubKey and GetRootExtPubKey are used to return the single pubkey underlying the pubkey provider
    // to be presented to the user in gethdkeys. As this is a multisig construction, there is no single underlying