blocksync

type Config struct {
	// MinSoft is the number of participants that have soft-synchronized,
	// meaning they know the latest index of the leader.
	MinSoft int

	// MinHard is the number of participants that have hard-synchronized,
	// meaning they have the latest block stored.
	MinHard int
}

type SyncParam struct {
	Mino            mino.Mino
	PBFT            pbft.StateMachine
	Blocks          blockstore.BlockStore
	Genesis         blockstore.GenesisStore
	LinkFactory     otypes.LinkFactory
	ChainFactory    otypes.ChainFactory
	VerifierFactory crypto.VerifierFactory
}

type Synchronizer interface {
	// GetLatest returns the latest known synchronization update. It can be used
	// to wait for a complete chain update as this index has been proven to
	// exist.
	GetLatest() uint64

	// Sync sends a synchronization message to all the participants in order to
	// announce the current state of the chain.
	Sync(ctx context.Context, players mino.Players, cfg Config) error
}