readonly.go

package merkledag

import (
	"fmt"

	ipld "gx/ipfs/Qme5bWv7wtjUNGsK2BNGVUFPKiuxWrsqrtvYwCLRw8YFES/go-ipld-format"
)

var ErrReadOnly = fmt.Errorf("cannot write to readonly DAGService")

func NewReadOnlyDagService(ng ipld.NodeGetter) ipld.DAGService {
	return &ComboService{
		Read:  ng,
		Write: &ErrorService{ErrReadOnly},
	}
}