panic: close of closed channel on interrupt

[tuxcanfly]

panic: close of closed channel

goroutine 10015 [running]:
main.func·003()
        /home/tuxcanfly/Work/conformal/src/github.com/btcsuite/btcsim/comm.go:587 +0x6a
created by main.(*Communication).Communicate
        /home/tuxcanfly/Work/conformal/src/github.com/btcsuite/btcsim/comm.go:589 +0xcaf

This happens sometimes when a SIGINT is passed after the simulation starts

[stormasm]

Javed,

I have seen this as well...

Thanks for adding this as an issue.

Michael Angerman Corvallis, Oregon