// Copyright (c) 2019-2021 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

{

  public:

  ExternalSignerScriptPubKeyMan(WalletStorage& storage, WalletDescriptor& descriptor, int64_t keypool_size)

      :   DescriptorScriptPubKeyMan(storage, descriptor, keypool_size)

      {}

  ExternalSignerScriptPubKeyMan(WalletStorage& storage, int64_t keypool_size)

      :   DescriptorScriptPubKeyMan(storage, keypool_size)

      {}

  /** Provide a descriptor at setup time

  * Returns false if already setup or setup fails, true if setup is successful

  */

  bool SetupDescriptor(WalletBatch& batch, 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, std::optional<int> sighash_type = std::nullopt, bool sign = true, bool bip32derivs = false, int* n_signed = nullptr, bool finalize = true) const override;

};

} // namespace wallet

#endif // BITCOIN_WALLET_EXTERNAL_SIGNER_SCRIPTPUBKEYMAN_H