package main import ( "encoding/hex" "fmt" "github.com/urfave/cli/v2" ffi "github.com/filecoin-project/filecoin-ffi" "github.com/filecoin-project/go-address" "github.com/filecoin-project/specs-actors/actors/abi" "github.com/ipfs/go-cid" ) var proofsCmd = &cli.Command{ Name: "proofs", Subcommands: []*cli.Command{ verifySealProofCmd, }, } var verifySealProofCmd = &cli.Command{ Name: "verify-seal", ArgsUsage: "<commr> <commd> <proof>", Description: "Verify a seal proof with manual inputs", Flags: []cli.Flag{ &cli.StringFlag{ Name: "ticket", }, &cli.StringFlag{ Name: "proof-rand", }, &cli.StringFlag{ Name: "miner", }, &cli.Uint64Flag{ Name: "sector-id", }, &cli.Int64Flag{ Name: "proof-type", }, }, Action: func(cctx *cli.Context) error { if cctx.Args().Len() != 3 { return fmt.Errorf("must specify commR, commD, and proof to verify") } commr, err := cid.Decode(cctx.Args().Get(0)) if err != nil { return err } commd, err := cid.Decode(cctx.Args().Get(1)) if err != nil { return err } proof, err := hex.DecodeString(cctx.Args().Get(2)) if err != nil { return fmt.Errorf("failed to decode hex proof input: %w", err) } maddr, err := address.NewFromString(cctx.String("miner")) if err != nil { return err } mid, err := address.IDFromAddress(maddr) if err != nil { return err } ticket, err := hex.DecodeString(cctx.String("ticket")) if err != nil { return err } proofRand, err := hex.DecodeString(cctx.String("proof-rand")) if err != nil { return err } snum := abi.SectorNumber(cctx.Uint64("sector-id")) ok, err := ffi.VerifySeal(abi.SealVerifyInfo{ SectorID: abi.SectorID{ Miner: abi.ActorID(mid), Number: snum, }, SealedCID: commr, SealProof: abi.RegisteredSealProof(cctx.Int64("proof-type")), Proof: proof, DealIDs: nil, Randomness: abi.SealRandomness(ticket), InteractiveRandomness: abi.InteractiveSealRandomness(proofRand), UnsealedCID: commd, }) if err != nil { return err } if !ok { return fmt.Errorf("invalid proof") } fmt.Println("proof valid!") return nil }, }