lwsf-wow/src/error.cpp

// Copyright (c) 2024, The Monero Project
// All rights reserved.
//
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// 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
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#include "error.h"

#include <cstring>
#include "common/error.h" // monero/src

namespace lwsf
{
  const char* get_string(const error value) noexcept
  {
    switch (value)
    {
    case error::none:
      return "No error";
    case error::approval:
      return "Account needs approval on light-wallet-server";
    case error::bad_feed_prefix:
      return "Websocket prefix on '/feed' message was invalid";
    case error::configuration:
      return "Configuration issue";
    case error::create:
      return "Account creation not possible";
    case error::decryption:
      return "Unable to decrypt file (likely bad password)";
    case error::feed:
      return "Websocket '/feed' had error requiring resync";
    case error::feed_missing_output:
      return "Websocket '/feed' sent a spent without sending the receive";
    case error::import_fee:
      return "Import/restore from height needs payment, see address book";
    case error::import_invalid:
      return "Import/restore from height failed due to invalid fee";
    case error::import_pending:
      return "Import/restore from height is awaiting approval";
    case error::network_type:
      return "Mismatch on network type";
    case error::subaddr_ahead:
      return "server has limits too low for requested subaddress lookahead";
    case error::subaddr_disabled:
      return "server has subaddresses disabled";
    case error::subaddr_local:
      return "lwsf (local) limits on subaddresses too small";
    case error::subaddr_upgrade:
      return "server does not support newer subaddr commands";
    case error::unexpected_userinfo:
      return "Unexpected user+pass field in URL";
    case error::unexpected_nullptr:
      return "Unexpected nullptr";
    case error::unknown_exception:
      return "Unknown exception";

    default:
      break;
    }
    return "Unknown wallet error";
  }

  const std::error_category& error_category() noexcept
  {
    struct category final : std::error_category
    {
      virtual const char* name() const noexcept override final
        {
          return "lwsf::error_category()";
        }

        virtual std::string message(int value) const override final
        {
          return get_string(error(value));
        }
    };
    static const category instance{};
    return instance;
  }

  void throw_invalid_argument(const int line, const char* file)
  {
    if (!file)
      file = "";
    char const* const end = std::strrchr(file, '/');
    if (end)
      file = end + 1;
    throw std::invalid_argument{"Failed pre-condition at " + std::string{file} + ":" + std::to_string(line)};
  }
} // lwsf