wallet/src/ILog.h

#pragma once
extern int errorCode;
extern std::string szError;
void ILogFatalError(const char*);
void ILogError(const char*);
void ILogWarning(const char*);
void ILogMessage(const char* format);
void ILogVerbose(const char*);
void ILogDebug(const char*);
void queue_error_message(const char*);  //Used for error conditions within a destructor because you cannot throw within a destructor
void queue_fatal_error(const char*);	//Used for fatal error conditions within a destructor in place of FatalException because you cannot throw within a destructor

struct sqlite3;

class MyException: public std::exception {
private:
	std::string err;
	int err_number;
public:
	virtual ~MyException() override = default;
	MyException() = delete;
	explicit MyException(const std::string &m) noexcept :err(m.c_str()),err_number(-1){}
	explicit MyException(const char* sz) noexcept :err(sz),err_number(-1) {}
	explicit MyException(const char* sz, int i) noexcept :err(sz), err_number(i) {}
	explicit MyException(const char* sz, int i, const char*, const char*) noexcept;
	// usage throw MyException("error", __LINE__, __func__, __FILE__);
	explicit MyException(int, sqlite3*) noexcept;
	virtual const char* what() const override {
		return err.c_str();
	}
	virtual const int what_num() const {
		return err_number;
	}
};

class FatalException : public MyException {
public:
	using MyException::MyException;
	FatalException() noexcept;
};

class HashReuseException : public MyException {
public:
	using MyException::MyException;
	HashReuseException() noexcept;
};

class NonUtf8DataInDatabase : public MyException {
public:
	using MyException::MyException;
	NonUtf8DataInDatabase() noexcept;
};

class BadDataException : public MyException {
public:
	using MyException::MyException;
	BadDataException() noexcept;
};

class NonRandomScalarException : public MyException {
public:
	using MyException::MyException;
	NonRandomScalarException() noexcept;
};

class BadScalarException : public MyException {
public:
	using MyException::MyException;
	BadScalarException() noexcept;
};

class OversizeBase58String : public MyException {
public:
	using MyException::MyException;
	OversizeBase58String() noexcept;
};

//	This exception is obviously far too generic, because the routine throwing it knows nothing of the context.
//	does not know what the cryptographic id identifies.
//	higher level code that does know the context needs to catch the exception and issue a more
//	relevant errror message, possibly with by more informative rethrow.
class BadStringRepresentationOfCryptoIdException : public MyException {
public:
	using MyException::MyException;
	BadStringRepresentationOfCryptoIdException() noexcept;
};

class NotBase58Exception : public MyException {
public:
	using MyException::MyException;
	NotBase58Exception() noexcept;
};