Commit 301a925a authored by Juan Batiz-Benet's avatar Juan Batiz-Benet

gofmt

parent dcdb1e32
package merkledag
import (
"fmt"
mh "github.com/jbenet/go-multihash"
"fmt"
mh "github.com/jbenet/go-multihash"
)
// for now, we use a PBNode intermediate thing.
// because native go objects are nice.
func (n *Node) Unmarshal(encoded []byte) error {
var pbn PBNode
if err := pbn.Unmarshal(encoded); err != nil {
return fmt.Errorf("Unmarshal failed. %v", err)
}
pbnl := pbn.GetLinks()
n.Links = make([]*Link, len(pbnl))
for i, l := range(pbnl) {
n.Links[i] = &Link{Name: l.GetName(), Size: l.GetTsize()}
h, err := mh.Cast(l.GetHash())
if err != nil {
return fmt.Errorf("Link hash is not valid multihash. %v", err)
}
n.Links[i].Hash = h
}
n.Data = pbn.GetData()
return nil
var pbn PBNode
if err := pbn.Unmarshal(encoded); err != nil {
return fmt.Errorf("Unmarshal failed. %v", err)
}
pbnl := pbn.GetLinks()
n.Links = make([]*Link, len(pbnl))
for i, l := range pbnl {
n.Links[i] = &Link{Name: l.GetName(), Size: l.GetTsize()}
h, err := mh.Cast(l.GetHash())
if err != nil {
return fmt.Errorf("Link hash is not valid multihash. %v", err)
}
n.Links[i].Hash = h
}
n.Data = pbn.GetData()
return nil
}
func (n *Node) MarshalTo(encoded []byte) error {
pbn := n.getPBNode()
if _, err := pbn.MarshalTo(encoded); err != nil {
return fmt.Errorf("Marshal failed. %v", err)
}
return nil
pbn := n.getPBNode()
if _, err := pbn.MarshalTo(encoded); err != nil {
return fmt.Errorf("Marshal failed. %v", err)
}
return nil
}
func (n *Node) Marshal() ([]byte, error) {
pbn := n.getPBNode()
data, err := pbn.Marshal()
if err != nil {
return data, fmt.Errorf("Marshal failed. %v", err)
}
return data, nil
pbn := n.getPBNode()
data, err := pbn.Marshal()
if err != nil {
return data, fmt.Errorf("Marshal failed. %v", err)
}
return data, nil
}
func (n *Node) getPBNode() *PBNode {
pbn := &PBNode{}
pbn.Links = make([]*PBLink, len(n.Links))
for i, l := range(n.Links) {
pbn.Links[i] = &PBLink{}
pbn.Links[i].Name = &l.Name
pbn.Links[i].Tsize = &l.Size
pbn.Links[i].Hash = []byte(l.Hash)
}
pbn.Data = n.Data
return pbn
pbn := &PBNode{}
pbn.Links = make([]*PBLink, len(n.Links))
for i, l := range n.Links {
pbn.Links[i] = &PBLink{}
pbn.Links[i].Name = &l.Name
pbn.Links[i].Tsize = &l.Size
pbn.Links[i].Hash = []byte(l.Hash)
}
pbn.Data = n.Data
return pbn
}
package merkledag
import (
mh "github.com/jbenet/go-multihash"
mh "github.com/jbenet/go-multihash"
)
// A node in the IPFS Merkle DAG.
// nodes have opaque data and a set of navigable links.
type Node struct {
Links []*Link
Data []byte
Links []*Link
Data []byte
}
// An IPFS Merkle DAG Link
type Link struct {
// utf string name. should be unique per object
Name string // utf8
// utf string name. should be unique per object
Name string // utf8
// cumulative size of target object
Size uint64
// cumulative size of target object
Size uint64
// multihash of the target object
Hash mh.Multihash
// multihash of the target object
Hash mh.Multihash
}
type EncodedNode []byte
func (n *Node) Size() (uint64, error) {
d, err := n.Marshal()
if err != nil {
return 0, err
}
s := uint64(len(d))
for _, l := range(n.Links) {
s += l.Size
}
return s, nil
d, err := n.Marshal()
if err != nil {
return 0, err
}
s := uint64(len(d))
for _, l := range n.Links {
s += l.Size
}
return s, nil
}
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