func NewMemoryBlockDB() *MemoryBlockDB {
	return &MemoryBlockDB{
		blocks: make(map[chainhash.Hash]primitives.ShardBlock),
	}
}
// NewMemoryBlockDB creates a new block database stored in memory.
NewMemoryBlockDB creates a new block database stored in memory.
// NewMemoryBlockDB creates a new block database stored in memory .
func NewMemoryBlockDB() *MemoryBlockDB {
	return &MemoryBlockDB{
		blocks: make(map[chainhash.Hash]primitives.ShardBlock),
	}
}
func NewMemoryBlockDB ( ) * MemoryBlockDB { return & MemoryBlockDB { blocks : make ( map [ chainhash . Hash ] primitives . ShardBlock ) , } }
NewMemoryBlockDB creates a new block database stored in memory.
NewMemoryBlockDB creates a new block database stored in memory .