decode

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• Variables

Variables

var ABIDecodeCmd = &cobra.Command{
	Use:   "decode Contract.abi",
	Short: "Parse an ABI and print the encoded signatures.",
	Long:  "",
	RunE: func(cmd *cobra.Command, args []string) error {

		rawData, err := getInputData(cmd, args)
		if err != nil {
			return err
		}
		buf := bytes.NewReader(rawData)
		abi, err := gethabi.JSON(buf)
		if err != nil {
			return err
		}
		for _, meth := range abi.Methods {
			fmt.Printf("Selector:%s\tSignature:%s%s\n", hex.EncodeToString(meth.ID), meth.Sig, getReturnSignature(meth.Outputs))
		}
		if *inputData != "" {
			id, callData, err := parseContractInputData(*inputData)
			fmt.Printf("id: %x, %x\n", id, callData)
			if err != nil {
				return err
			}
			meth, err := abi.MethodById(id)
			if err != nil {
				return err
			}
			if meth == nil {
				return fmt.Errorf("the function selector %s wasn't matched in the given abi", hex.EncodeToString(id))
			}
			inputVals := make(map[string]any, 0)
			err = meth.Inputs.UnpackIntoMap(inputVals, callData)
			if err != nil {
				return err
			}
			fmt.Println("Input data:")
			prettyInput, _ := json.MarshalIndent(inputVals, "", "  ")
			fmt.Println(string(prettyInput))

			unpackedCallData, err := meth.Inputs.UnpackValues(callData)
			if err != nil {
				return err
			}

			fmt.Println("Signature and Input")
			fmt.Printf("%s%s", meth.Sig, getReturnSignature(meth.Outputs))
			for _, unpackedCallDataArg := range unpackedCallData {
				fmt.Printf(" %v", unpackedCallDataArg)
			}
			fmt.Println()
		}
		return nil
	},
	Args: func(cmd *cobra.Command, args []string) error {
		return nil
	},
}