feat(templates): add fee abstraction into the scaffold chain template

ignite/cmd/scaffold_chain.go

@@ -17,6 +17,7 @@ const (
 	flagNoDefaultModule = "no-module"
 	flagSkipGit         = "skip-git"
 	flagIsConsumer      = "consumer"
+	flagFeeabsModule    = "fee-abstraction"
 
 	tplScaffoldChainSuccess = `
 ⭐️ Successfully created a new blockchain '%[1]v'.
@@ -90,9 +91,10 @@ about Cosmos SDK on https://docs.cosmos.network
 	c.Flags().Bool(flagMinimal, false, "create a minimal blockchain (with the minimum required Cosmos SDK modules)")
 	c.Flags().Bool(flagIsConsumer, false, "scafffold an ICS consumer chain")
 	c.Flags().String(flagProtoDir, defaults.ProtoDir, "chain proto directory")
+	c.Flags().Bool(flagFeeabsModule, false, "create a project that includes the fee abstraction module")
 
-	// Cannot have both minimal and consumer flag
-	c.MarkFlagsMutuallyExclusive(flagIsConsumer, flagMinimal)
+	// Cannot have minimal, consumer, and fee-abstraction flags at the same time
+	c.MarkFlagsMutuallyExclusive(flagIsConsumer, flagMinimal, flagFeeabsModule)
 
 	return c
 }
@@ -114,6 +116,7 @@ func scaffoldChainHandler(cmd *cobra.Command, args []string) error {
 		moduleConfigs, _   = cmd.Flags().GetStringSlice(flagModuleConfigs)
 		skipProto, _       = cmd.Flags().GetBool(flagSkipProto)
 		protoDir, _        = cmd.Flags().GetString(flagProtoDir)
+		feeabsModule, _    = cmd.Flags().GetBool(flagFeeabsModule)
 	)
 
 	if noDefaultModule {
@@ -138,6 +141,7 @@ func scaffoldChainHandler(cmd *cobra.Command, args []string) error {
 		addressPrefix,
 		protoDir,
 		noDefaultModule,
+		feeabsModule,
 		minimal,
 		isConsumer,
 		params,

ignite/pkg/cosmosgen/generate_openapi.go

@@ -86,6 +86,7 @@ func (g *generator) generateOpenAPISpec(ctx context.Context) error {
 				"*/cosmos/app/v1alpha1/*",
 				"*/cosmos/tx/config/v1/config.proto",
 				"*/cosmos/msg/textual/v1/textual.proto",
+				"*/osmosis-labs/fee-abstraction/*",
 			),
 			cosmosbuf.FileByFile(),
 		); err != nil {

ignite/services/scaffolder/init.go

@@ -20,7 +20,7 @@ func Init(
 	ctx context.Context,
 	runner *xgenny.Runner,
 	root, name, addressPrefix, protoDir string,
-	noDefaultModule, minimal, isConsumerChain bool,
+	noDefaultModule, feeabsModule, minimal, isConsumerChain bool,
 	params, moduleConfigs []string,
 ) (string, string, error) {
 	pathInfo, err := gomodulepath.Parse(name)
@@ -51,6 +51,7 @@ func Init(
 		protoDir,
 		path,
 		noDefaultModule,
+		feeabsModule,
 		minimal,
 		isConsumerChain,
 		params,
@@ -67,7 +68,7 @@ func generate(
 	addressPrefix,
 	protoDir,
 	absRoot string,
-	noDefaultModule, minimal, isConsumerChain bool,
+	noDefaultModule, feeabsModule, minimal, isConsumerChain bool,
 	params, moduleConfigs []string,
 ) (xgenny.SourceModification, error) {
 	// Parse params with the associated type
@@ -90,15 +91,16 @@ func generate(
 
 	g, err := app.NewGenerator(&app.Options{
 		// generate application template
-		ModulePath:       pathInfo.RawPath,
-		AppName:          pathInfo.Package,
-		AppPath:          absRoot,
-		ProtoDir:         protoDir,
-		GitHubPath:       githubPath,
-		BinaryNamePrefix: pathInfo.Root,
-		AddressPrefix:    addressPrefix,
-		IsChainMinimal:   minimal,
-		IsConsumerChain:  isConsumerChain,
+		ModulePath:          pathInfo.RawPath,
+		AppName:             pathInfo.Package,
+		AppPath:             absRoot,
+		ProtoDir:            protoDir,
+		GitHubPath:          githubPath,
+		BinaryNamePrefix:    pathInfo.Root,
+		AddressPrefix:       addressPrefix,
+		IsChainMinimal:      minimal,
+		IsConsumerChain:     isConsumerChain,
+		IncludeFeeabsModule: feeabsModule,
 	})
 	if err != nil {
 		return xgenny.SourceModification{}, err

ignite/templates/app/app.go

@@ -22,6 +22,9 @@ var (
 
 	//go:embed files-consumer/* files-consumer/**/*
 	filesConsumer embed.FS
+
+	//go:embed files-feeabs/* files-feeabs/**/*
+	filesFeeabs embed.FS
 )
 
 const (
@@ -49,6 +52,9 @@ func NewGenerator(opts *Options) (*genny.Generator, error) {
 	if opts.IsConsumerChain {
 		overridesFS["files-consumer"] = filesConsumer
 	}
+	if opts.IncludeFeeabsModule {
+		overridesFS["files-feeabs"] = filesFeeabs
+	}
 
 	g := genny.New()
 	if err := g.SelectiveFS(subfs, includePrefix, nil, excludePrefix, nil); err != nil {