github.com/loomnetwork/gamechain@v0.0.0-20200406110549-36c47eb97a92/cli/cmd/update_init.go (about)

     1  package cmd
     2  
     3  import (
     4  	"encoding/json"
     5  	"fmt"
     6  	"github.com/loomnetwork/gamechain/types/zb/zb_calls"
     7  	"github.com/loomnetwork/gamechain/types/zb/zb_data"
     8  	"os"
     9  	"strings"
    10  
    11  	"github.com/gogo/protobuf/jsonpb"
    12  	"github.com/loomnetwork/go-loom/auth"
    13  	"github.com/spf13/cobra"
    14  )
    15  
    16  var updateInitCmdArgs struct {
    17  	file       string
    18  	oldVersion string
    19  }
    20  
    21  var updateInitCmd = &cobra.Command{
    22  	Use:   "update_init",
    23  	Short: "updates the init data for zombiebattleground",
    24  	RunE: func(cmd *cobra.Command, args []string) error {
    25  		signer := auth.NewEd25519Signer(commonTxObjs.privateKey)
    26  		var initData zb_data.InitData
    27  
    28  		if updateInitCmdArgs.file == "" {
    29  			return fmt.Errorf("file name not provided")
    30  		}
    31  
    32  		f, err := os.Open(updateInitCmdArgs.file)
    33  		if err != nil {
    34  			return fmt.Errorf("error reading file: %s", err.Error())
    35  		}
    36  		defer f.Close()
    37  
    38  		if err := new(jsonpb.Unmarshaler).Unmarshal(f, &initData); err != nil {
    39  			return fmt.Errorf("error parsing JSON file: %s", err.Error())
    40  		}
    41  
    42  		if initData.Version == "" {
    43  			return fmt.Errorf("version not specified")
    44  		}
    45  
    46  		updateInitData := zb_calls.UpdateInitRequest{
    47  			InitData: &initData,
    48  		}
    49  
    50  		_, err = commonTxObjs.contract.Call("UpdateInit", &updateInitData, signer, nil)
    51  		if err != nil {
    52  			return fmt.Errorf("error encountered while calling UpdateInit: %s", err.Error())
    53  		}
    54  
    55  		switch strings.ToLower(rootCmdArgs.outputFormat) {
    56  		case "json":
    57  			output, err := json.Marshal(map[string]interface{}{"success": true})
    58  			if err != nil {
    59  				return err
    60  			}
    61  			fmt.Println(string(output))
    62  		default:
    63  			fmt.Println("success")
    64  		}
    65  
    66  		return nil
    67  	},
    68  }
    69  
    70  func init() {
    71  	rootCmd.AddCommand(updateInitCmd)
    72  
    73  	updateInitCmd.Flags().StringVarP(&updateInitCmdArgs.file, "file", "f", "", "File of init data to be updated in serialized json format")
    74  
    75  	_ = updateInitCmd.MarkFlagRequired("file")
    76  }