// Copyright (c) 2019-present The Bitcoin Core developers

// Distributed under the MIT software license, see the accompanying

// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#ifndef BITCOIN_WALLET_EXTERNAL_SIGNER_SCRIPTPUBKEYMAN_H

#define BITCOIN_WALLET_EXTERNAL_SIGNER_SCRIPTPUBKEYMAN_H

#include <wallet/scriptpubkeyman.h>

#include <memory>

#include <util/result.h>

struct bilingual_str;

namespace wallet {

class ExternalSignerScriptPubKeyMan : public DescriptorScriptPubKeyMan

{

private:

    //! Create an ExternalSPKM from existing wallet data

    ExternalSignerScriptPubKeyMan(WalletStorage& storage, WalletDescriptor& descriptor, int64_t keypool_size, const KeyMap& keys, const CryptedKeyMap& ckeys)

        : DescriptorScriptPubKeyMan(storage, descriptor, keypool_size, keys, ckeys)

    {}

    ExternalSignerScriptPubKeyMan(WalletStorage& storage, int64_t keypool_size)

        : DescriptorScriptPubKeyMan(storage, keypool_size)

    {}

public:

    static std::unique_ptr<ExternalSignerScriptPubKeyMan> LoadFromStorage(WalletStorage& storage, WalletDescriptor& descriptor, int64_t keypool_size, const KeyMap& keys, const CryptedKeyMap& ckeys);

    static std::unique_ptr<ExternalSignerScriptPubKeyMan> CreateNew(WalletStorage& storage, WalletBatch& batch, int64_t keypool_size, std::unique_ptr<Descriptor> desc);

  static util::Result<ExternalSigner> GetExternalSigner();

  /**

  * Display address on the device and verify that the returned value matches.

  * @returns nothing or an error message

  */

 util::Result<void> DisplayAddress(const CTxDestination& dest, const ExternalSigner& signer) const;

  std::optional<common::PSBTError> FillPSBT(PartiallySignedTransaction& psbt, const PrecomputedTransactionData& txdata, const common::PSBTFillOptions& options, int* n_signed = nullptr) const override;

};

} // namespace wallet

#endif // BITCOIN_WALLET_EXTERNAL_SIGNER_SCRIPTPUBKEYMAN_H