Cmd (#3)

* cmd
* add Makfile

.gitignore

@@ -0,0 +1,2 @@
+.idea
+build

Makefile

@@ -0,0 +1,19 @@
+all: install
+
+LD_FLAGS = -w -s
+
+
+BUILD_FLAGS := -ldflags '$(LD_FLAGS)'
+
+build:
+	@echo "Building subnode"
+	@go build -mod readonly $(BUILD_FLAGS) -o build/subnode main.go
+
+install:
+	@echo "Installing subnode"
+	@go install -mod readonly $(BUILD_FLAGS) ./...
+
+clean:
+	rm -rf build
+
+.PHONY: all lint test race msan tools clean build

cmd/root.go

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+package cmd
+
+import (
+	"os"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+var (
+	configFile string
+)
+
+// NewRootCmd returns the root command
+func NewRootCmd() *cobra.Command {
+	// RootCmd represents the base command when called without any subcommands
+	var rootCmd = &cobra.Command{
+		Use:   "subnode",
+		Short: "subnode is a smart reverse proxy server for cosmos based chains",
+	}
+
+	rootCmd.PersistentPreRunE = func(cmd *cobra.Command, _ []string) error {
+		// reads `subnode.yaml` into `var config *Config` before each command
+		// if err := initConfig(rootCmd); err != nil {
+		// 	return err
+		// }
+
+		return nil
+	}
+
+	// --app flag
+	rootCmd.PersistentFlags().StringVar(&configFile, "config-file", "subnode.yaml", "path to the config file")
+	if err := viper.BindPFlag("config-file", rootCmd.PersistentFlags().Lookup("config-file")); err != nil {
+		panic(err)
+	}
+
+	rootCmd.AddCommand(
+		startCmd(),
+	)
+
+	return rootCmd
+}
+
+// Execute adds all child commands to the root command and sets flags appropriately.
+// This is called by main.main(). It only needs to happen once to the rootCmd.
+func Execute() {
+	cobra.EnableCommandSorting = false
+
+	rootCmd := NewRootCmd()
+	rootCmd.SilenceUsage = true
+	rootCmd.CompletionOptions.DisableDefaultCmd = true
+
+	if err := rootCmd.Execute(); err != nil {
+		os.Exit(1)
+	}
+}

cmd/start.go

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+package cmd
+
+import (
+	"fmt"
+	"github.com/spf13/cobra"
+)
+
+func startCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "start",
+		Short: "start subnode server",
+		Args:  cobra.ExactArgs(0),
+		RunE: func(cmd *cobra.Command, args []string) error {
+
+			fmt.Println("startCmd")
+
+			return nil
+		},
+	}
+	return cmd
+}

go.mod

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+module github.com/notional-labs/subnode
+
+go 1.20
+
+require (
+	github.com/spf13/cobra v1.6.1
+	github.com/spf13/viper v1.15.0
+)
+
+require (
+	github.com/fsnotify/fsnotify v1.6.0 // indirect
+	github.com/hashicorp/hcl v1.0.0 // indirect
+	github.com/inconshreveable/mousetrap v1.0.1 // indirect
+	github.com/magiconair/properties v1.8.7 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/pelletier/go-toml/v2 v2.0.6 // indirect
+	github.com/spf13/afero v1.9.3 // indirect
+	github.com/spf13/cast v1.5.0 // indirect
+	github.com/spf13/jwalterweatherman v1.1.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/subosito/gotenv v1.4.2 // indirect
+	golang.org/x/sys v0.3.0 // indirect
+	golang.org/x/text v0.5.0 // indirect
+	gopkg.in/ini.v1 v1.67.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)

main.go

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+package main
+
+import (
+	"github.com/notional-labs/subnode/cmd"
+)
+
+func main() {
+	cmd.Execute()
+}