lotus/cmd/lotus-shed/params.go

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package main
import (
"github.com/docker/go-units"
paramfetch "github.com/filecoin-project/go-paramfetch"
lcli "github.com/filecoin-project/lotus/cli"
"github.com/urfave/cli/v2"
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"golang.org/x/xerrors"
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"github.com/filecoin-project/lotus/build"
)
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(lcli.ReqContext(cctx), build.ParametersJSON(), sectorSize)
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if err != nil {
return xerrors.Errorf("fetching proof parameters: %w", err)
}
return nil
},
}