func NewAdminBlock(prev interfaces.IAdminBlock) interfaces.IAdminBlock {
block := new(AdminBlock)
block.Header = new(ABlockHeader)
if prev != nil {
block.Header.SetPrevBackRefHash(primitives.NewZeroHash())
block.Header.SetDBHeight(prev.GetDBHeight() + 1)
} else {
block.Header.SetPrevBackRefHash(primitives.NewZeroHash())
}
return block
}
