87 lines
1.7 KiB
Go
87 lines
1.7 KiB
Go
package client
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import (
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"context"
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"github.com/filecoin-project/go-lotus/api"
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"github.com/ipfs/go-ipfs/filestore"
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"go.uber.org/fx"
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"os"
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"github.com/ipfs/go-cid"
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chunker "github.com/ipfs/go-ipfs-chunker"
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files "github.com/ipfs/go-ipfs-files"
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ipld "github.com/ipfs/go-ipld-format"
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"github.com/ipfs/go-unixfs/importer/balanced"
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ihelper "github.com/ipfs/go-unixfs/importer/helpers"
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)
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type LocalStorage struct {
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fx.In
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LocalDAG ipld.DAGService
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Filestore *filestore.Filestore
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}
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func (s *LocalStorage) ClientImport(ctx context.Context, path string) (cid.Cid, error) {
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f, err := os.Open(path)
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if err != nil {
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return cid.Undef, err
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}
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stat, err := f.Stat()
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if err != nil {
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return cid.Undef, err
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}
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file, err := files.NewReaderPathFile(path, f, stat)
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if err != nil {
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return cid.Undef, err
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}
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bufferedDS := ipld.NewBufferedDAG(ctx, s.LocalDAG)
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params := ihelper.DagBuilderParams{
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Maxlinks: ihelper.DefaultLinksPerBlock,
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RawLeaves: true,
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CidBuilder: nil,
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Dagserv: bufferedDS,
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NoCopy: true,
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}
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db, err := params.New(chunker.DefaultSplitter(file))
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if err != nil {
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return cid.Undef, err
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}
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nd, err := balanced.Layout(db)
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if err != nil {
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return cid.Undef, err
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}
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return nd.Cid(), bufferedDS.Commit()
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}
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func (s *LocalStorage) ClientListImports(ctx context.Context) ([]api.Import, error) {
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next, err := filestore.ListAll(s.Filestore, false)
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if err != nil {
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return nil, err
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}
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// TODO: make this less very bad by tracking root cids instead of using ListAll
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out := make([]api.Import, 0)
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for {
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r := next()
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if r == nil {
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return out, nil
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}
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if r.Offset != 0 {
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continue
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}
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out = append(out, api.Import{
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Status: r.Status,
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Key: r.Key,
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FilePath: r.FilePath,
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Size: r.Size,
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})
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}
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} |