# Functions
NewBitcoindBackend spawns a new bitcoind node that connects to a miner at the specified address.
NewMiner spawns testing harness backed by a btcd node that can serve as a miner.
NewNeutrinoBackend spawns a new neutrino node that connects to a miner at the specified address.
# Variables
NetParams are the default network parameters for the tests.
TrickleInterval is the interval at which the miner should trickle transactions to its peers.