driver

type Committer interface {
	Status(txid string) (driver.ValidationCode, []string, []view.Identity, error)
	Validate(txid string) (driver.ValidationCode, error)
	CommitTX(txid string, block uint64, indexInBloc int) error
	DiscardTX(txid string) error
}

type Driver interface {
	// Open returns a new Committer with the respect to the passed vault.
	// The name is a string in a driver-specific format.
	// The returned Committer is only used by one goroutine at a time.
	Open(name string, sp view2.ServiceProvider, vault Vault) (Committer, error)
}

type Vault interface {
	CommitTX(txid string, block uint64, indexInBloc int) error
	DiscardTx(txid string) error
}