fn earlier_protocol_version(&self) -> ProtocolVersion {
            ProtocolVersion::from_parts(
                self.current_protocol_version().value().major,
                self.current_protocol_version().value().minor - 1,
                0,
            )
        }
/// Returns a protocol version earlier than the current chainspec's version.
Returns a protocol version earlier than the current chainspec's version.
Returns a protocol version earlier than the current chainspec ' s version .
fn earlier_protocol_version(&self) -> ProtocolVersion {
            ProtocolVersion::from_parts(
                self.current_protocol_version().value().major,
                self.current_protocol_version().value().minor - 1,
                0,
            )
        }
fn earlier_protocol_version ( & self ) -> ProtocolVersion { ProtocolVersion :: from_parts ( self . current_protocol_version ( ) . value ( ) . major , self . current_protocol_version ( ) . value ( ) . minor - 1 , 0 , ) }
Returns a protocol version earlier than the current chainspec's version.
Returns a protocol version earlier than the current chainspec ' s version .
&self
&self