pow

type Block interface {
	Difficulty() *big.Int
	HashNoNonce() common.Hash
	Nonce() uint64
	MixDigest() common.Hash
	NumberU64() uint64
}

type ChainManager interface {
	GetBlockByNumber(uint64) *types.Block
	CurrentBlock() *types.Block
}

type PoW interface {
	Search(block Block, stop <-chan struct{}, index int) (uint64, []byte)
	Verify(block Block) bool
	GetHashrate() int64
	Turbo(bool)
}