github.com/aeternity/aepp-sdk-go/v7@v7.0.1/cmd/root.go (about) 1 // Copyright © 2018 NAME HERE <EMAIL ADDRESS> 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package cmd 16 17 import ( 18 "fmt" 19 "os" 20 21 "github.com/aeternity/aepp-sdk-go/v7/config" 22 "github.com/aeternity/aepp-sdk-go/v7/naet" 23 "github.com/spf13/cobra" 24 "github.com/spf13/viper" 25 ) 26 27 // RootCmd represents the base command when called without any subcommands 28 var RootCmd = &cobra.Command{ 29 Use: "aecli", 30 Short: "The command line client for the Aeternity blockchain", 31 Long: ``, 32 // Uncomment the following line if your bare application 33 // has an action associated with it: 34 // Run: func(cmd *cobra.Command, args []string) { }, 35 } 36 37 var debug bool 38 var online bool 39 40 // Execute adds all child commands to the root command sets flags appropriately. 41 // This is called by main.main(). It only needs to happen once to the rootCmd. 42 func Execute(v string) { 43 RootCmd.Version = v 44 if err := RootCmd.Execute(); err != nil { 45 fmt.Println(err) 46 os.Exit(-1) 47 } 48 } 49 50 // newAeNode is just a helper function that gives you a Node so that you don't 51 // have to maintain a Node global variable (which needs the config vars to be 52 // read immediately, with this helper function you can defer the reading of the 53 // variables until the subcommand's execution) 54 func newAeNode() naet.NodeInterface { 55 return naet.NewNode(config.Node.URL, debug) 56 } 57 58 // newCompiler is just a helper function that gives you a Compiler so that you don't 59 // have to maintain a Compiler global variable (which needs the config vars to be 60 // read immediately, with this helper function you can defer the reading of the 61 // variables until the subcommand's execution) 62 func newCompiler() *naet.Compiler { 63 return naet.NewCompiler(compilerURL, debug) 64 } 65 66 func init() { 67 // cobra.OnInitialize(initConfig) 68 viper.AutomaticEnv() // read in environment variables that match 69 viper.SetEnvPrefix("AETERNITY") 70 viper.SetDefault("external-api", config.Node.URL) 71 viper.SetDefault("network-id", config.Node.NetworkID) 72 73 // Here you will define your flags and configuration settings. 74 // Cobra supports Persistent Flags, which, if defined here, 75 // will be global for your application. 76 RootCmd.PersistentFlags().StringVarP(&config.Node.URL, "external-api", "u", config.Node.URL, "node external API endpoint") 77 RootCmd.PersistentFlags().StringVarP(&config.Node.NetworkID, "network-id", "n", config.Node.NetworkID, "network ID for custom private net") 78 RootCmd.PersistentFlags().StringVarP(&compilerURL, "compiler-url", "c", "http://localhost:3080", "Compiler URL") 79 RootCmd.PersistentFlags().BoolVar(&debug, "debug", false, "enable debug") 80 RootCmd.PersistentFlags().BoolVar(&config.Tuning.OutputFormatJSON, "json", false, "print output in json format") 81 }