ConvertToBanningProtocolErrorIfRuleError converts the given error to a banning protocol error if it's a rule error, and otherwise keep it as is.

Errorf formats according to a format specifier and returns the string as a ProtocolError.

New returns a ProtocolError with the supplied message.

Wrap wraps the given error and returns it as a ProtocolError.

Wrapf wraps the given error with the given format and returns it as a ProtocolError.

ProtocolError is an error that signifies a violation of the peer-to-peer protocol.