This allows players and the market maker to transact network sockets,
or other transport channels, by passing nonces, sigmaps, etc, back
and forth to each other. It also allows parties to store their signed
contract data locally, and enforce the contract even after a restart.
This test validates the basic spending paths are enforceable.
It covers the split TX, followed by three different resolutions
for each individual payout contract. We test to confirm:
- a player can claim winnings using their ticket preimage
- the market maker can reclaim winnings using the payout preimage
- the market maker can reclaim winnings after the timeout
