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author | Wei-Ning Huang <w@dexon.org> | 2019-04-13 17:07:27 +0800 |
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committer | Jimmy Hu <jimmy.hu@dexon.org> | 2019-04-13 17:07:27 +0800 |
commit | 532108ea8abd2a70b93cbad48fce70045c15a6bf (patch) | |
tree | 9a7361533e5d82cdb5dbf0db9aa4c52e26d11f17 | |
parent | ef66598ba379d675658d3b09eb0c7317ae900d6a (diff) | |
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cmd: add govtool for decoding governance input (#361)
-rw-r--r-- | cmd/govtool/main.go | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/cmd/govtool/main.go b/cmd/govtool/main.go new file mode 100644 index 000000000..239c95003 --- /dev/null +++ b/cmd/govtool/main.go @@ -0,0 +1,145 @@ +package main + +import ( + "encoding/hex" + "fmt" + "math/big" + "os" + + coreTypes "github.com/dexon-foundation/dexon-consensus/core/types" + dkgTypes "github.com/dexon-foundation/dexon-consensus/core/types/dkg" + "github.com/dexon-foundation/dexon/cmd/utils" + "github.com/dexon-foundation/dexon/core/vm" + "github.com/dexon-foundation/dexon/rlp" + "gopkg.in/urfave/cli.v1" +) + +// Git SHA1 commit hash of the release (set via linker flags) +var gitCommit = "" + +var app *cli.App + +func init() { + app = utils.NewApp(gitCommit, "DEXON governance tool") + app.Commands = []cli.Command{ + commandDecodeInput, + } +} + +func decodeInput(ctx *cli.Context) error { + inputHex := ctx.Args().First() + if inputHex == "" { + utils.Fatalf("no input specified") + } + + if inputHex[:2] == "0x" { + inputHex = inputHex[2:] + } + + input, err := hex.DecodeString(inputHex) + if err != nil { + utils.Fatalf("failed to decode input") + } + + // Parse input. + method, exists := vm.GovernanceABI.Sig2Method[string(input[:4])] + if !exists { + utils.Fatalf("invalid method") + } + + arguments := input[4:] + + switch method.Name { + case "addDKGComplaint": + var Complaint []byte + if err := method.Inputs.Unpack(&Complaint, arguments); err != nil { + utils.Fatalf("%s", err) + } + var comp dkgTypes.Complaint + if err := rlp.DecodeBytes(Complaint, &comp); err != nil { + utils.Fatalf("%s", err) + } + fmt.Printf("Complaint: %+v\n", comp) + case "addDKGMasterPublicKey": + var PublicKey []byte + if err := method.Inputs.Unpack(&PublicKey, arguments); err != nil { + utils.Fatalf("%s", err) + } + var mpk dkgTypes.MasterPublicKey + if err := rlp.DecodeBytes(PublicKey, &mpk); err != nil { + utils.Fatalf("%s", err) + } + fmt.Printf("MasterPublicKey: %+v\n", mpk) + case "addDKGMPKReady": + var MPKReady []byte + if err := method.Inputs.Unpack(&MPKReady, arguments); err != nil { + utils.Fatalf("%s", err) + } + var ready dkgTypes.MPKReady + if err := rlp.DecodeBytes(MPKReady, &ready); err != nil { + utils.Fatalf("%s", err) + } + fmt.Printf("MPKReady: %+v\n", ready) + case "addDKGFinalize": + var Finalize []byte + if err := method.Inputs.Unpack(&Finalize, arguments); err != nil { + utils.Fatalf("%s", err) + } + var finalize dkgTypes.Finalize + if err := rlp.DecodeBytes(Finalize, &finalize); err != nil { + utils.Fatalf("%s", err) + } + fmt.Println(finalize) + case "report": + args := struct { + Type *big.Int + Arg1 []byte + Arg2 []byte + }{} + if err := method.Inputs.Unpack(&args, arguments); err != nil { + utils.Fatalf("%s", err) + } + switch args.Type.Uint64() { + case vm.FineTypeForkVote: + vote1 := new(coreTypes.Vote) + if err := rlp.DecodeBytes(args.Arg1, vote1); err != nil { + utils.Fatalf("%s", err) + } + vote2 := new(coreTypes.Vote) + if err := rlp.DecodeBytes(args.Arg2, vote2); err != nil { + utils.Fatalf("%s", err) + } + fmt.Printf("Vote1: %+v\n", vote1) + fmt.Printf("Vote2: %+v\n", vote2) + case vm.FineTypeForkBlock: + block1 := new(coreTypes.Block) + if err := rlp.DecodeBytes(args.Arg1, block1); err != nil { + utils.Fatalf("%s", err) + } + block2 := new(coreTypes.Block) + if err := rlp.DecodeBytes(args.Arg2, block2); err != nil { + utils.Fatalf("%s", err) + } + fmt.Printf("Block1: %+v\n", block1) + fmt.Printf("Block2: %+v\n", block2) + } + default: + fmt.Printf("Unsupported method: %s\n", method.Name) + } + return nil +} + +var commandDecodeInput = cli.Command{ + Name: "decode-input", + Usage: "decode governance input", + ArgsUsage: "[ <hex-data> ]", + Description: `decode governance tx input`, + Action: decodeInput, +} + +func main() { + if err := app.Run(os.Args); err != nil { + fmt.Fprintln(os.Stderr, err) + os.Exit(1) + } +} |