mirror of
https://github.com/ipfs/kubo.git
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56 lines
1.1 KiB
Go
56 lines
1.1 KiB
Go
package coreunix
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import (
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"time"
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context "github.com/ipfs/go-ipfs/Godeps/_workspace/src/golang.org/x/net/context"
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key "github.com/ipfs/go-ipfs/blocks/key"
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core "github.com/ipfs/go-ipfs/core"
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dag "github.com/ipfs/go-ipfs/merkledag"
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ft "github.com/ipfs/go-ipfs/unixfs"
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)
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func AddMetadataTo(n *core.IpfsNode, skey string, m *ft.Metadata) (string, error) {
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ukey := key.B58KeyDecode(skey)
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ctx, cancel := context.WithTimeout(context.TODO(), time.Minute)
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defer cancel()
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nd, err := n.DAG.Get(ctx, ukey)
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if err != nil {
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return "", err
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}
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mdnode := new(dag.Node)
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mdata, err := ft.BytesForMetadata(m)
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if err != nil {
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return "", err
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}
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mdnode.Data = mdata
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err = mdnode.AddNodeLinkClean("file", nd)
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if err != nil {
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return "", err
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}
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nk, err := n.DAG.Add(mdnode)
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if err != nil {
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return "", err
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}
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return nk.B58String(), nil
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}
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func Metadata(n *core.IpfsNode, skey string) (*ft.Metadata, error) {
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ukey := key.B58KeyDecode(skey)
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ctx, cancel := context.WithTimeout(context.TODO(), time.Minute)
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defer cancel()
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nd, err := n.DAG.Get(ctx, ukey)
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if err != nil {
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return nil, err
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}
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return ft.MetadataFromBytes(nd.Data)
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}
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