Function VerifyHeader

core/validation/block_validator.go:84–111

(header, prevHeader *types.Header)

}

func VerifyHeader(header, prevHeader *types.Header) error {
	if header.Height == 0 {
		return nil
	}

	if prevHeader == nil {
		return errors.New("[BlockValidator], can not find previous block.")
	}

	if prevHeader.Height+1 != header.Height {
		return errors.New("[BlockValidator], block height is incorrect.")
	}

	if prevHeader.Timestamp >= header.Timestamp {
		return errors.New("[BlockValidator], block timestamp is incorrect.")
	}

	address, err := types.AddressFromBookkeepers(header.Bookkeepers)
	if err != nil {
		return err
	}

	if prevHeader.NextBookkeeper != address {
		return fmt.Errorf("bookkeeper address error")
	}

	return nil
}