iconsensus

type CEShardStateListener interface {
	OnShardDisabled()
}

type Consensus interface {
	// StartConsensusAtRound means set the consensus start at the round;
	StartConsensusAtRound(round int)
	// StopConsensusAtRound means when shard needs to be disabled, stop the consensus firstly
	StopConsensusAtRound(round int)
	// todo(MH): maybe remove
	// UpdateInShardProof will update consensusExecutor.inshardProof, it will be safe in concurrent.
	UpdateInShardProof(inShardProof []byte)
	// RegisterCEListener adds a listener to shardStateListeners
	RegisterCEShardStateListener(listener CEShardStateListener)

	Init()
	Start()
}

type DepositFetcher interface {
	GetDepositUnit(pk []byte, round int32, index shard.Index) uint32
}

type Sortitionor interface {
	IsLeader(seed []byte, index shard.Index) bool
	IsInShard(proof []byte, depositUnit uint32, index shard.Index) bool
	SetLeaderRate(n int, index shard.Index)
}