iabci

type AppBlockChain interface {
	VerifyBlock(block *wire.MsgBlock) error
	ProposeBlock(pk []byte, sk []byte) (*wire.MsgBlock, error)
	ProposeAndAcceptEmptyBlock(height int64) (*wire.BlockHeader, error)
	AcceptBlock(block *wire.MsgBlock) error
	Start(prevReshardheader *wire.BlockHeader)
	Stop()
	PreStart()
}

type Fetcher interface {
	// Request a given number of transactions from storage node.
	FetchTransactions(number int, hashList []uint32, shard shard.Index)
	// Request data for abci initalization from storage node
	FetchInitData(shard shard.Index)
}