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Files
kubo/core/coreunix/metadata.go
rht de5c0ceff0 Localize the scope of context.WithCancel for every DAG.Get
Instead put it inside of DAG.Get.
The fix is applied only in the case when the context.WithCancel
before a DAG.Get is also used later on in the scope.

License: MIT
Signed-off-by: rht <rhtbot@gmail.com>
2015-08-23 22:38:04 +07:00

47 lines
908 B
Go

package coreunix
import (
key "github.com/ipfs/go-ipfs/blocks/key"
core "github.com/ipfs/go-ipfs/core"
dag "github.com/ipfs/go-ipfs/merkledag"
ft "github.com/ipfs/go-ipfs/unixfs"
)
func AddMetadataTo(n *core.IpfsNode, skey string, m *ft.Metadata) (string, error) {
ukey := key.B58KeyDecode(skey)
nd, err := n.DAG.Get(n.Context(), ukey)
if err != nil {
return "", err
}
mdnode := new(dag.Node)
mdata, err := ft.BytesForMetadata(m)
if err != nil {
return "", err
}
mdnode.Data = mdata
if err := mdnode.AddNodeLinkClean("file", nd); err != nil {
return "", err
}
nk, err := n.DAG.Add(mdnode)
if err != nil {
return "", err
}
return nk.B58String(), nil
}
func Metadata(n *core.IpfsNode, skey string) (*ft.Metadata, error) {
ukey := key.B58KeyDecode(skey)
nd, err := n.DAG.Get(n.Context(), ukey)
if err != nil {
return nil, err
}
return ft.MetadataFromBytes(nd.Data)
}