lotus/cmd/lotus-shed/proofs.go
2020-10-21 12:16:23 -07:00

111 lines
2.3 KiB
Go

package main
import (
"encoding/hex"
"fmt"
proof2 "github.com/filecoin-project/specs-actors/v2/actors/runtime/proof"
"github.com/urfave/cli/v2"
ffi "github.com/filecoin-project/filecoin-ffi"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/go-state-types/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(proof2.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
},
}