34 lines
		
	
	
		
			930 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			34 lines
		
	
	
		
			930 B
		
	
	
	
		
			Go
		
	
	
	
	
	
| package cli
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| 
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| import (
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| 	"github.com/docker/go-units"
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| 	paramfetch "github.com/filecoin-project/go-paramfetch"
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| 	"github.com/urfave/cli/v2"
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| 	"golang.org/x/xerrors"
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| 
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| 	"github.com/filecoin-project/lotus/build"
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| )
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| 
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| var fetchParamCmd = &cli.Command{
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| 	Name:      "fetch-params",
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| 	Usage:     "Fetch proving parameters",
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| 	ArgsUsage: "[sectorSize]",
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| 	Action: func(cctx *cli.Context) error {
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| 		if !cctx.Args().Present() {
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| 			return xerrors.Errorf("must pass sector size to fetch params for (specify as \"32GiB\", for instance)")
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| 		}
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| 		sectorSizeInt, err := units.RAMInBytes(cctx.Args().First())
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| 		if err != nil {
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| 			return xerrors.Errorf("error parsing sector size (specify as \"32GiB\", for instance): %w", err)
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| 		}
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| 		sectorSize := uint64(sectorSizeInt)
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| 
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| 		err = paramfetch.GetParams(ReqContext(cctx), build.ParametersJSON(), sectorSize)
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| 		if err != nil {
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| 			return xerrors.Errorf("fetching proof parameters: %w", err)
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| 		}
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| 
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| 		return nil
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| 	},
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| }
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