danicoin/src/wallet/WalletErrors.h

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2014-06-25 17:21:42 +00:00
// Copyright (c) 2012-2013 The Cryptonote developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#pragma once
#include <string>
#include <system_error>
namespace cryptonote {
namespace error {
// custom error conditions enum type:
enum WalletErrorCodes {
NOT_INITIALIZED = 1,
ALREADY_INITIALIZED,
WRONG_STATE,
WRONG_PASSWORD,
INTERNAL_WALLET_ERROR,
MIXIN_COUNT_TOO_BIG,
BAD_ADDRESS,
TRANSACTION_SIZE_TOO_BIG,
WRONG_AMOUNT,
SUM_OVERFLOW,
ZERO_DESTINATION,
TX_CANCEL_IMPOSSIBLE,
TX_CANCELLED,
OPERATION_CANCELLED
};
// custom category:
class WalletErrorCategory : public std::error_category {
public:
static WalletErrorCategory INSTANCE;
virtual const char* name() const throw() {
return "WalletErrorCategory";
}
virtual std::error_condition default_error_condition(int ev) const throw() {
return std::error_condition(ev, *this);
}
virtual std::string message(int ev) const {
switch (ev) {
case NOT_INITIALIZED: return "Object was not initialized";
case WRONG_PASSWORD: return "The password is wrong";
case ALREADY_INITIALIZED: return "The object is already initialized";
case INTERNAL_WALLET_ERROR: return "Internal error occured";
case MIXIN_COUNT_TOO_BIG: return "MixIn count is too big";
case BAD_ADDRESS: return "Bad address";
case TRANSACTION_SIZE_TOO_BIG: return "Transaction size is too big";
case WRONG_AMOUNT: return "Wrong amount";
case SUM_OVERFLOW: return "Sum overflow";
case ZERO_DESTINATION: return "The destination is empty";
case TX_CANCEL_IMPOSSIBLE: return "Impossible to cancel transaction";
case WRONG_STATE: return "The wallet is in wrong state (maybe loading or saving), try again later";
case OPERATION_CANCELLED: return "The operation you've requested has been cancelled";
default: return "Unknown error";
}
}
private:
WalletErrorCategory() {
}
};
}
}
inline std::error_code make_error_code(cryptonote::error::WalletErrorCodes e) {
return std::error_code(static_cast<int>(e), cryptonote::error::WalletErrorCategory::INSTANCE);
}