package cli import ( "github.com/docker/go-units" paramfetch "github.com/filecoin-project/go-paramfetch" "golang.org/x/xerrors" "gopkg.in/urfave/cli.v2" ) var fetchParamCmd = &cli.Command{ Name: "fetch-params", Usage: "Fetch proving parameters", Flags: []cli.Flag{ &cli.StringFlag{ Name: "proving-params", Usage: "download params used creating proofs for given size, i.e. 32GiB", }, }, Action: func(cctx *cli.Context) error { sectorSizeInt, err := units.RAMInBytes(cctx.String("proving-params")) if err != nil { return err } sectorSize := uint64(sectorSizeInt) err = paramfetch.GetParams(sectorSize) if err != nil { return xerrors.Errorf("fetching proof parameters: %w", err) } return nil }, }