CheckRelayIP reports whether an IP relayed from the given sender IP is a valid connection target.

get all the connected chains.

find a chain who was closet to the target chain.

Get the chainId list which needs to dial out.

IsLAN reports whether an IP is a local network address.

IsSpecialNetwork reports whether an IP is located in a special-use network range This includes broadcast, multicast and documentation addresses.

Now returns the current absolute monotonic time.

SameNet reports whether two IP addresses have an equal prefix of the given bit length.

ListenUDP returns a new table that listens for UDP packets on laddr.

ListenUDP returns a new table that listens for UDP packets on laddr.

sort tab size.

DistinctNetSet tracks IPs, ensuring that at most N of them fall into the same network range.

p2p node struct */.

ReadPacket is sent to the unhandled channel when it could not be processed.

System implements Clock using the system clock.

Config holds Table-related settings.

ChanTimer is a cancellable event created by NewTimer.

The Clock interface makes it possible to replace the monotonic system clock with a simulated clock.

Timer is a cancellable event created by AfterFunc.

AbsTime represents absolute monotonic time.

Netlist is a list of IP networks.