Function GetDescriptor

src/wallet/spend.cpp:112–123

Infer a descriptor for the given output script. */

/** Infer a descriptor for the given output script. */
static std::unique_ptr<Descriptor> GetDescriptor(const CWallet* wallet, const CCoinControl* coin_control,
                                                 const CScript script_pubkey)
{
    MultiSigningProvider providers;
    for (const auto spkman: wallet->GetScriptPubKeyMans(script_pubkey)) {
        providers.AddProvider(spkman->GetSolvingProvider(script_pubkey));
    }
    if (coin_control) {
        providers.AddProvider(std::make_unique<FlatSigningProvider>(coin_control->m_external_provider));
    }
    return InferDescriptor(script_pubkey, providers);
}

/** Infer the maximum size of this input after it will be signed. */
static std::optional<int64_t> GetSignedTxinWeight(const CWallet* wallet, const CCoinControl* coin_control,