feat: introduce gnovm app (#238)

* feat: introduce gnovm app

* chore: use tag

Author: julienrbrt

_registry/ignite.apps.gnovm.json

@@ -0,0 +1,30 @@
+{
+  "appName": "GnoVM",
+  "appID": "gnovm",
+  "appDescription": "Scaffold a Cosmos GnoVM-enabled chain with ease",
+  "ignite": ">29.5.0",
+  "dependencies": {},
+  "cosmosSDK": ">0.50.1",
+  "authors": [
+    {
+      "name": "Julien Robert",
+      "github": "julienrbrt"
+    }
+  ],
+  "repositoryUrl": "https://github.com/ignite/apps/gnovm",
+  "documentationUrl": "https://github.com/ignite/apps/tree/main/gnovm/README.md",
+  "license": {
+    "name": "MIT",
+    "url": "https://github.com/ignite/apps/blob/main/LICENSE"
+  },
+  "keywords": [
+    "gnovm",
+    "gnolang",
+    "gno.land",
+    "cli",
+    "cosmos-sdk",
+    "ignite app",
+    "cosmos"
+  ],
+  "supportedPlatforms": ["mac", "linux"]
+}

app.ignite.yml

@@ -54,3 +54,6 @@ apps:
   example-hooks:
     description: A simple hooks application
     path: ./examples/hooks
+  gnovm:
+    description: Scaffold a GnoVM-enabled chain with ease
+    path: ./gnovm

gnovm/CHANGELOG.md

@@ -0,0 +1,5 @@
+# GnoVM App Changelog
+
+## [`v0.1.0`](https://github.com/ignite/apps/releases/tag/gnovm/v0.1.0)
+
+- First release of the GnoVM app compatible with Ignite >= v29.5.0

gnovm/README.md

@@ -0,0 +1,19 @@
+# GnoVM
+
+This Ignite App is aimed to extend [Ignite CLI](https://github.com/ignite/cli) and bootstrap the development of an [GnoVM](https://github.com/gnolang/gno)-enabled Cosmos SDK blockchain.
+
+It uses the [GnoVM](https://github.com/ignite/gnovm) Cosmos SDK module to do so.
+
+## Prerequisites
+
+- Ignite CLI version v29.5.0 or greater (no minimal chain).
+- Knowledge of blockchain development (Cosmos SDK).
+
+## Usage
+
+```sh
+ignite s chain gm --address-prefix gm --no-module
+cd gm
+ignite app install -g github.com/ignite/apps/gnovm
+ignite gnovm add
+```

gnovm/cmd/add.go

@@ -0,0 +1,84 @@
+package cmd
+
+import (
+	"context"
+	"path/filepath"
+
+	"github.com/ignite/cli/v29/ignite/pkg/cliui"
+	"github.com/ignite/cli/v29/ignite/pkg/cosmosver"
+	"github.com/ignite/cli/v29/ignite/pkg/errors"
+	"github.com/ignite/cli/v29/ignite/pkg/gocmd"
+	"github.com/ignite/cli/v29/ignite/pkg/xgenny"
+	"github.com/ignite/cli/v29/ignite/services/chain"
+	"github.com/ignite/cli/v29/ignite/services/plugin"
+
+	"github.com/ignite/apps/gnovm/template"
+)
+
+const (
+	statusScaffolding = "Scaffolding..."
+
+	flagPath = "path"
+)
+
+// AddHandler implements the GnoVM integration command
+func AddHandler(ctx context.Context, cmd *plugin.ExecutedCommand) error {
+	flags := plugin.Flags(cmd.Flags)
+
+	session := cliui.New(cliui.StartSpinnerWithText(statusScaffolding))
+	defer session.End()
+
+	appPath, err := flags.GetString(flagPath)
+	if err != nil {
+		return err
+	}
+
+	absPath, err := filepath.Abs(appPath)
+	if err != nil {
+		return err
+	}
+
+	c, err := chain.New(absPath, chain.CollectEvents(session.EventBus()))
+	if err != nil {
+		return err
+	}
+
+	if c.Version.LT(cosmosver.StargateFiftyVersion) {
+		return errors.New("GnoVM App requires Ignite v28+ / Cosmos SDK v0.50+")
+	}
+
+	g, err := template.NewGnoVMGenerator(c)
+	if err != nil {
+		return err
+	}
+
+	_, err = xgenny.NewRunner(ctx, appPath).RunAndApply(g)
+	if err != nil {
+		return err
+	}
+
+	if finish(ctx, session, c.AppPath()) != nil {
+		return err
+	}
+
+	return session.Printf("🎉 GnoVM integration added (`%[1]v`).\n", c.AppPath(), c.Name())
+}
+
+// finish finalize the scaffolded code (formating, dependencies).
+func finish(ctx context.Context, session *cliui.Session, path string) error {
+	session.StopSpinner()
+	session.StartSpinner("go mod tidy...")
+	if err := gocmd.ModTidy(ctx, path); err != nil {
+		return err
+	}
+
+	session.StopSpinner()
+	session.StartSpinner("Formatting code...")
+	if err := gocmd.Fmt(ctx, path); err != nil {
+		return err
+	}
+
+	_ = gocmd.GoImports(ctx, path) // goimports installation could fail, so ignore the error
+
+	return nil
+}

gnovm/cmd/cmd.go

@@ -0,0 +1,31 @@
+package cmd
+
+import (
+	"github.com/ignite/cli/v29/ignite/services/plugin"
+)
+
+// GetCommands returns the list of app commands.
+func GetCommands() []*plugin.Command {
+	return []*plugin.Command{
+		{
+			Use:     "gnovm [command]",
+			Aliases: []string{"gno"},
+			Short:   "Ignite GnoVM integration",
+			Commands: []*plugin.Command{
+				{
+					Use:   "add",
+					Short: "Add GnoVM support",
+					Long:  "Add GnoVM support to your Cosmos SDK chain",
+					Flags: []*plugin.Flag{
+						{
+							Name:      flagPath,
+							Usage:     "path of the app",
+							Shorthand: "p",
+							Type:      plugin.FlagTypeString,
+						},
+					},
+				},
+			},
+		},
+	}
+}