p2p.Msg to MsgEvent.

msgLoad: body + eventType + pub + sig eventType: msg type 2 bytes body: serialized msg pub: public key sig: signature for eventType+bydy.

message to p2p.Msg.

the max length of a full broadcast msg.

max peer count.

max count for dialing in nodes.

recent WantDetail msg pool size.

full msg count to broadcast when msg was too large.

recent send msg pool size.

recent receive msg pool size.

nopos.

connect retry times.

lock for WantDetailEvent.