func CheckBlockPairIntegrity(block interfaces.IAdminBlock, prev interfaces.IAdminBlock) error {
if block == nil {
return fmt.Errorf("No block specified")
}
if prev == nil {
if block.GetHeader().GetPrevBackRefHash().IsZero() == false {
return fmt.Errorf("Invalid PrevBackRefHash")
}
if block.GetHeader().GetDBHeight() != 0 {
return fmt.Errorf("Invalid DBHeight")
}
} else {
if block.GetHeader().GetPrevBackRefHash().IsSameAs(prev.GetHash()) == false {
return fmt.Errorf("Invalid PrevBackRefHash")
}
if block.GetHeader().GetDBHeight() != (prev.GetHeader().GetDBHeight() + 1) {
return fmt.Errorf("Invalid DBHeight")
}
}
return nil
}
