Remove non-solidity exceptions

Most exceptions and some errorinfos in 'libdevcore' are not be used.

Close ethereum#781

libdevcore/Exceptions.h

@@ -47,41 +47,15 @@ struct Exception: virtual std::exception, virtual boost::exception
 
 #define DEV_SIMPLE_EXCEPTION(X) struct X: virtual Exception { const char* what() const noexcept override { return #X; } }
 
-/// Base class for all RLP exceptions.
-struct RLPException: virtual Exception { RLPException(std::string _message = std::string()): Exception(_message) {} };
-#define DEV_SIMPLE_EXCEPTION_RLP(X) struct X: virtual RLPException { const char* what() const noexcept override { return #X; } }
-
-DEV_SIMPLE_EXCEPTION_RLP(BadCast);
-DEV_SIMPLE_EXCEPTION_RLP(BadRLP);
-DEV_SIMPLE_EXCEPTION_RLP(OversizeRLP);
-DEV_SIMPLE_EXCEPTION_RLP(UndersizeRLP);
-
 DEV_SIMPLE_EXCEPTION(BadHexCharacter);
-DEV_SIMPLE_EXCEPTION(NoNetworking);
-DEV_SIMPLE_EXCEPTION(NoUPnPDevice);
-DEV_SIMPLE_EXCEPTION(RootNotFound);
-struct BadRoot: virtual Exception { public: BadRoot(h256 const& _root): Exception("BadRoot " + _root.hex()), root(_root) {} h256 root; };
 DEV_SIMPLE_EXCEPTION(FileError);
-DEV_SIMPLE_EXCEPTION(Overflow);
-DEV_SIMPLE_EXCEPTION(FailedInvariant);
-DEV_SIMPLE_EXCEPTION(ValueTooLarge);
-
-struct InterfaceNotSupported: virtual Exception { public: InterfaceNotSupported(std::string _f): Exception("Interface " + _f + " not supported.") {} };
-struct ExternalFunctionFailure: virtual Exception { public: ExternalFunctionFailure(std::string _f): Exception("Function " + _f + "() failed.") {} };
 
 // error information to be added to exceptions
 using errinfo_invalidSymbol = boost::error_info<struct tag_invalidSymbol, char>;
-using errinfo_wrongAddress = boost::error_info<struct tag_address, std::string>;
 using errinfo_comment = boost::error_info<struct tag_comment, std::string>;
 using errinfo_required = boost::error_info<struct tag_required, bigint>;
 using errinfo_got = boost::error_info<struct tag_got, bigint>;
-using errinfo_min = boost::error_info<struct tag_min, bigint>;
-using errinfo_max = boost::error_info<struct tag_max, bigint>;
-using RequirementError = boost::tuple<errinfo_required, errinfo_got>;
-using errinfo_hash256 = boost::error_info<struct tag_hash, h256>;
 using errinfo_required_h256 = boost::error_info<struct tag_required_h256, h256>;
 using errinfo_got_h256 = boost::error_info<struct tag_get_h256, h256>;
-using Hash256RequirementError = boost::tuple<errinfo_required_h256, errinfo_got_h256>;
-using errinfo_extraData = boost::error_info<struct tag_extraData, bytes>;
 
 }