StartBeaconNodes starts the requested amount of beacon nodes, passing in the deposit contract given.

StartEth1Node starts an eth1 local dev chain and deploys a deposit contract.

StartNewBeaconNode starts a fresh beacon node, connecting to all passed in beacon nodes.

StartSlashers starts slasher clients for use within E2E, connected to all beacon nodes.

StartValidators sends the deposits to the eth1 chain and starts the validator clients.