loopback testnet

requirements:

* python 2.7
* supervisord

Build the testnet binary in testnet mode (required only if running on loopback network)

$ make testnet-build

generate configs and run the testnet with default parameters:

$ make testnet

generate configs with different parameters and run testnet:

$ make testnet TESTNET_BASEPORT=1900 TESTNET_SERVERS=100 TESTNET_CLIENTS=200 TESNET_IFNAME=eth0

environmental variables:

TESTNET_SERVERS number of service nodes to spin up (default 20)
TESTNET_CLIENTS number of clients to spin up (default 200)
TESTNET_IFNAME interface to bind all nodes to (default lo)
TESTNET_BASEPORT starting udp port number to start at for servers (default 1900)
TESTNET_DEBUG set to 1 to enable debug logging (default 0)
TESTNET_IP explicit ip to use (default 127.0.0.1)
TESTNET_NETID explicit netid to use (default 'loopback')