text: // Copyright (c) 2014-2019, The Monero Project
  //
  // All rights reserved.
  //
  // Redistribution and use in source and binary forms, with or without modification, are
  // permitted provided that the following conditions are met:
  //
  // 1. Redistributions of source code must retain the above copyright notice, this list of
  //    conditions and the following disclaimer.
  //
  // 2. Redistributions in binary form must reproduce the above copyright notice, this list
  //    of conditions and the following disclaimer in the documentation and/or other
  //    materials provided with the distribution.
  //
  // 3. Neither the name of the copyright holder nor the names of its contributors may be
  //    used to endorse or promote products derived from this software without specific
  //    prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
  // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
  // THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
  // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  //
  // Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
  
  
  #include "wallet2_api.h"
  #include "rpc/http_client.h"
  #include <string>
  
  namespace Wallet {
  
  class WalletManagerImpl : public WalletManagerBase
  {
  public:
      Wallet* createWallet(std::string_view path, const std::string &password,
                            const std::string &language, NetworkType nettype, uint64_t kdf_rounds = 1) override;
      Wallet* openWallet(std::string_view path, const std::string &password, NetworkType nettype, uint64_t kdf_rounds = 1, WalletListener * listener = nullptr) override;
      Wallet * recoveryWallet(std::string_view path,
                                         const std::string &password,
                                         const std::string &mnemonic,
                                         NetworkType nettype,
                                         uint64_t restoreHeight,
                                         uint64_t kdf_rounds = 1,
                                         const std::string &seed_offset = {}) override;
      Wallet * createWalletFromKeys(std::string_view path,
                                               const std::string &password,
                                               const std::string &language,
                                               NetworkType nettype,
                                               uint64_t restoreHeight,
                                               const std::string &addressString,
                                               const std::string &viewKeyString,
                                               const std::string &spendKeyString = "",
                                               uint64_t kdf_rounds = 1) override;
      Wallet * createWalletFromDevice(std::string_view path,
                                              const std::string &password,
                                              NetworkType nettype,
                                              const std::string &deviceName,
                                              uint64_t restoreHeight = 0,
                                              const std::string &subaddressLookahead = "",
                                              uint64_t kdf_rounds = 1,
                                              WalletListener * listener = nullptr) override;
      bool closeWallet(Wallet *wallet, bool store = true) override;
      bool walletExists(std::string_view path) override;
      bool verifyWalletPassword(std::string_view keys_file_name, const std::string &password, bool no_spend_key, uint64_t kdf_rounds = 1) const override;
      bool queryWalletDevice(Wallet::Device& device_type, std::string_view keys_file_name, const std::string &password, uint64_t kdf_rounds = 1) const override;
      std::vector<std::string> findWallets(std::string_view path) override;
      std::string errorString() const override;
      void setDaemonAddress(std::string address) override;
      bool connected(uint32_t *version = NULL) override;
      uint64_t blockchainHeight() override;
      uint64_t blockchainTargetHeight() override;
      uint64_t blockTarget() override;
      std::string resolveOpenAlias(const std::string &address, bool &dnssec_valid) const override;
  
  private:
      WalletManagerImpl() {}
      friend struct WalletManagerFactory;
      cryptonote::rpc::http_client m_http_client;
      std::string m_errorString;
  };
  
  } // namespace
  