NewWorker constructs a new Worker, as used by the node.

Worker builds compact certificates, by broadcasting signatures using this node's participation keys, by collecting signatures sent by others, and by sending out the resulting compact certs in a transaction.

Accounts captures the aspects of the AccountManager that are used by this package.

Ledger captures the aspects of the ledger that are used by this package.

Network captures the aspects of the gossip network protocol that are used by this package.

TransactionSender is an interface that captures the node's ability to broadcast a new transaction.