feat: name deployments by network, add set-default

build/rofl/manifest.go

@@ -180,14 +180,21 @@ func (m *Manifest) Validate() error {
 		return fmt.Errorf("bad resources config: %w", err)
 	}
 
+	var defaultNames []string
 	for name, d := range m.Deployments {
 		if d == nil {
 			return fmt.Errorf("bad deployment: %s", name)
 		}
+		if d.Default {
+			defaultNames = append(defaultNames, name)
+		}
 		if err := d.Validate(); err != nil {
 			return fmt.Errorf("bad deployment '%s': %w", name, err)
 		}
 	}
+	if len(defaultNames) > 1 {
+		return fmt.Errorf("multiple deployments marked as default: %s", strings.Join(defaultNames, ", "))
+	}
 
 	return nil
 }
@@ -250,16 +257,56 @@ func (m *Manifest) Save() error {
 	return enc.Encode(m)
 }
 
-// DefaultDeploymentName is the name of the default deployment that must always be defined and is
-// used in case no deployment is passed.
+// DefaultDeploymentName is the legacy name of the default deployment. It is used as a fallback
+// when no deployment is explicitly marked as default.
 const DefaultDeploymentName = "default"
 
+// DefaultDeployment returns the name of the default deployment. Resolution order:
+//  1. Deployment explicitly marked as default (default: true).
+//  2. Legacy fallback: deployment named "default".
+//  3. If exactly one deployment exists, use it.
+//
+// Returns an empty string if no default can be determined.
+func (m *Manifest) DefaultDeployment() string {
+	for name, d := range m.Deployments {
+		if d != nil && d.Default {
+			return name
+		}
+	}
+	if _, ok := m.Deployments[DefaultDeploymentName]; ok {
+		return DefaultDeploymentName
+	}
+	if len(m.Deployments) == 1 {
+		for name := range m.Deployments {
+			return name
+		}
+	}
+	return ""
+}
+
+// SetDefaultDeployment sets the given deployment as the default, clearing the flag from all others.
+func (m *Manifest) SetDefaultDeployment(name string) error {
+	d := m.Deployments[name]
+	if d == nil {
+		return fmt.Errorf("deployment '%s' does not exist", name)
+	}
+	for _, other := range m.Deployments {
+		if other != nil {
+			other.Default = false
+		}
+	}
+	d.Default = true
+	return nil
+}
+
 // DefaultMachineName is the name of the default machine into which the app is deployed when no
 // specific machine is passed.
 const DefaultMachineName = "default"
 
 // Deployment describes a single ROFL app deployment.
 type Deployment struct {
+	// Default indicates whether this is the default deployment.
+	Default bool `yaml:"default,omitempty" json:"default,omitempty"`
 	// AppID is the Bech32-encoded ROFL app ID.
 	AppID string `yaml:"app_id,omitempty" json:"app_id,omitempty"`
 	// Network is the identifier of the network to deploy to.

build/rofl/manifest_test.go

@@ -83,6 +83,24 @@ func TestManifestValidation(t *testing.T) {
 	err = m.Validate()
 	require.NoError(err)
 
+	// Multiple defaults should be rejected.
+	m.Deployments["default"].Default = true
+	m.Deployments["testnet"] = &Deployment{
+		Default:  true,
+		Network:  "testnet",
+		ParaTime: "sapphire",
+	}
+	err = m.Validate()
+	require.ErrorContains(err, "multiple deployments marked as default")
+
+	// Single default is fine.
+	m.Deployments["default"].Default = false
+	err = m.Validate()
+	require.NoError(err)
+
+	// Clean up for subsequent tests.
+	delete(m.Deployments, "testnet")
+
 	// Add ephemeral storage configuration.
 	m.Resources.Storage = &StorageConfig{}
 	err = m.Validate()
@@ -297,3 +315,59 @@ func TestUpgradePossible(t *testing.T) {
 	require.False((&ContainerArtifactsConfig{Runtime: "new"}).UpgradePossible(&containerLatest))
 	require.False((&ContainerArtifactsConfig{}).UpgradePossible(&containerLatest))
 }
+
+func TestDefaultDeployment(t *testing.T) {
+	require := require.New(t)
+
+	m := Manifest{}
+
+	// No deployments -> empty.
+	require.Empty(m.DefaultDeployment())
+
+	// Single deployment -> use it regardless of name.
+	m.Deployments = map[string]*Deployment{
+		"testnet": {Network: "testnet", ParaTime: "sapphire"},
+	}
+	require.Equal("testnet", m.DefaultDeployment())
+
+	// Legacy "default" key is preferred over arbitrary single deployment when multiple exist.
+	m.Deployments["default"] = &Deployment{Network: "mainnet", ParaTime: "sapphire"}
+	require.Equal("default", m.DefaultDeployment())
+
+	// Explicit default flag takes precedence.
+	m.Deployments["testnet"].Default = true
+	require.Equal("testnet", m.DefaultDeployment())
+
+	// With only the "default" key and no flag, fallback works.
+	delete(m.Deployments, "testnet")
+	require.Equal("default", m.DefaultDeployment())
+
+	// Multiple deployments, none marked default, no "default" key -> empty.
+	m.Deployments = map[string]*Deployment{
+		"testnet": {Network: "testnet", ParaTime: "sapphire"},
+		"mainnet": {Network: "mainnet", ParaTime: "sapphire"},
+	}
+	require.Empty(m.DefaultDeployment())
+}
+
+func TestSetDefaultDeployment(t *testing.T) {
+	require := require.New(t)
+
+	m := Manifest{
+		Deployments: map[string]*Deployment{
+			"testnet": {Default: true, Network: "testnet", ParaTime: "sapphire"},
+			"mainnet": {Network: "mainnet", ParaTime: "sapphire"},
+		},
+	}
+
+	// Setting non-existent deployment fails.
+	err := m.SetDefaultDeployment("staging")
+	require.ErrorContains(err, "deployment 'staging' does not exist")
+
+	// Setting mainnet as default clears testnet.
+	err = m.SetDefaultDeployment("mainnet")
+	require.NoError(err)
+	require.False(m.Deployments["testnet"].Default)
+	require.True(m.Deployments["mainnet"].Default)
+	require.Equal("mainnet", m.DefaultDeployment())
+}

cmd/rofl/common/flags.go

@@ -2,8 +2,6 @@ package common
 
 import (
 	flag "github.com/spf13/pflag"
-
-	buildRofl "github.com/oasisprotocol/cli/build/rofl"
 )
 
 var (
@@ -46,7 +44,7 @@ func init() {
 	WipeFlags.BoolVar(&WipeStorage, "wipe-storage", false, "whether to wipe machine storage")
 
 	DeploymentFlags = flag.NewFlagSet("", flag.ContinueOnError)
-	DeploymentFlags.StringVar(&DeploymentName, "deployment", buildRofl.DefaultDeploymentName, "deployment name")
+	DeploymentFlags.StringVar(&DeploymentName, "deployment", "", "deployment name")
 
 	NoUpdateFlag = flag.NewFlagSet("", flag.ContinueOnError)
 	NoUpdateFlag.BoolVar(&NoUpdate, "no-update-manifest", false, "do not update the manifest")

cmd/rofl/common/manifest.go

@@ -40,8 +40,9 @@ func LoadManifestAndSetNPA(opts *ManifestOptions) (*rofl.Manifest, *rofl.Deploym
 	cfg := cliConfig.Global()
 	npa := common.GetNPASelection(cfg)
 
-	manifest, d, err := MaybeLoadManifestAndSetNPA(cfg, npa, DeploymentName, opts)
+	manifest, resolvedName, d, err := MaybeLoadManifestAndSetNPA(cfg, npa, DeploymentName, opts)
 	cobra.CheckErr(err)
+	DeploymentName = resolvedName
 	if opts != nil && opts.NeedAppID && !d.HasAppID() {
 		cobra.CheckErr(fmt.Errorf("deployment '%s' does not have an app ID set, maybe you need to run `oasis rofl create`", DeploymentName))
 	}
@@ -51,34 +52,44 @@ func LoadManifestAndSetNPA(opts *ManifestOptions) (*rofl.Manifest, *rofl.Deploym
 // MaybeLoadManifestAndSetNPA loads the ROFL app manifest and reconfigures the
 // network/paratime/account selection.
 //
-// In case there is an error in loading the manifest, it is returned.
-func MaybeLoadManifestAndSetNPA(cfg *cliConfig.Config, npa *common.NPASelection, deployment string, opts *ManifestOptions) (*rofl.Manifest, *rofl.Deployment, error) {
+// In case there is an error in loading the manifest, it is returned. The resolved deployment name
+// is always returned alongside the deployment.
+func MaybeLoadManifestAndSetNPA(cfg *cliConfig.Config, npa *common.NPASelection, deployment string, opts *ManifestOptions) (*rofl.Manifest, string, *rofl.Deployment, error) {
 	manifest, err := rofl.LoadManifest()
 	if err != nil {
-		return nil, nil, err
+		return nil, "", nil, err
 	}
 
 	// Warn if manifest was created with an older CLI version.
 	checkToolingVersion(manifest)
 
+	// Resolve deployment name when not explicitly provided.
+	if deployment == "" {
+		deployment = manifest.DefaultDeployment()
+	}
+	if deployment == "" {
+		if len(manifest.Deployments) == 0 {
+			return nil, "", nil, fmt.Errorf("no deployments configured\nHint: use `oasis rofl create` to register a new ROFL app and create a deployment")
+		}
+		printAvailableDeployments(manifest)
+		return nil, "", nil, fmt.Errorf("no default deployment configured\nHint: use `oasis rofl set-default <name>` to set a default deployment")
+	}
+
 	d, ok := manifest.Deployments[deployment]
 	if !ok {
-		fmt.Println("The following deployments are configured in the app manifest:")
-		for name := range manifest.Deployments {
-			fmt.Printf("  - %s\n", name)
-		}
-		return nil, nil, fmt.Errorf("deployment '%s' does not exist", deployment)
+		printAvailableDeployments(manifest)
+		return nil, "", nil, fmt.Errorf("deployment '%s' does not exist", deployment)
 	}
 
 	switch d.Network {
 	case "":
 		if npa.Network == nil {
-			return nil, nil, fmt.Errorf("no network selected")
+			return nil, "", nil, fmt.Errorf("no network selected")
 		}
 	default:
 		npa.Network = cfg.Networks.All[d.Network]
 		if npa.Network == nil {
-			return nil, nil, fmt.Errorf("network '%s' does not exist", d.Network)
+			return nil, "", nil, fmt.Errorf("network '%s' does not exist", d.Network)
 		}
 		npa.NetworkName = d.Network
 	}
@@ -88,7 +99,7 @@ func MaybeLoadManifestAndSetNPA(cfg *cliConfig.Config, npa *common.NPASelection,
 	default:
 		npa.ParaTime = npa.Network.ParaTimes.All[d.ParaTime]
 		if npa.ParaTime == nil {
-			return nil, nil, fmt.Errorf("paratime '%s' does not exist", d.ParaTime)
+			return nil, "", nil, fmt.Errorf("paratime '%s' does not exist", d.ParaTime)
 		}
 		npa.ParaTimeName = d.ParaTime
 	}
@@ -104,12 +115,22 @@ func MaybeLoadManifestAndSetNPA(cfg *cliConfig.Config, npa *common.NPASelection,
 			npa.Account = accCfg
 			npa.AccountName = d.Admin
 		case opts != nil && opts.NeedAdmin:
-			return nil, nil, err
+			return nil, "", nil, err
 		default:
 			// Admin account is not valid, but it is also not required, so do not override.
 		}
 	}
-	return manifest, d, nil
+	return manifest, deployment, d, nil
+}
+
+func printAvailableDeployments(manifest *rofl.Manifest) {
+	if len(manifest.Deployments) == 0 {
+		return
+	}
+	fmt.Println("The following deployments are configured in the app manifest:")
+	for name := range manifest.Deployments {
+		fmt.Printf("  - %s\n", name)
+	}
 }
 
 // GetOrcFilename generates a filename based on the project name and deployment.

cmd/rofl/mgmt.go

@@ -211,22 +211,34 @@ var (
 			manifest, err := buildRofl.LoadManifest()
 			cobra.CheckErr(err)
 
+			// Resolve deployment name: explicit flag > network name for new deployments.
+			deploymentName := roflCommon.DeploymentName
+			if deploymentName == "" {
+				deploymentName = npa.NetworkName
+			}
+
 			// Load or create a deployment.
-			deployment, ok := manifest.Deployments[roflCommon.DeploymentName]
+			deployment, ok := manifest.Deployments[deploymentName]
 			switch ok {
 			case true:
 				if deployment.AppID != "" {
-					cobra.CheckErr(fmt.Errorf("ROFL app identifier already defined (%s) for deployment '%s', refusing to overwrite", deployment.AppID, roflCommon.DeploymentName))
+					cobra.CheckErr(fmt.Errorf("ROFL app identifier already defined (%s) for deployment '%s', refusing to overwrite", deployment.AppID, deploymentName))
 				}
 
 				// An existing deployment is defined, but without an AppID. Load everything else for
 				// the deployment and proceed with creating a new app.
+				roflCommon.DeploymentName = deploymentName
 				manifest, deployment, npa = roflCommon.LoadManifestAndSetNPA(&roflCommon.ManifestOptions{
 					NeedAppID: false,
 					NeedAdmin: true,
 				})
+
+				// Mark as default if no default is currently set (must be after reload).
+				if manifest.DefaultDeployment() == "" {
+					deployment.Default = true
+				}
 			case false:
-				// No deployment defined, create a new default one.
+				// No deployment defined, create a new one named after the network.
 				npa.MustHaveAccount()
 				npa.MustHaveParaTime()
 				if txCfg.Offline {
@@ -283,10 +295,15 @@ var (
 						Hash:   blk.Hash.Hex(),
 					},
 				}
+				// Mark as default if this is the first deployment.
+				if len(manifest.Deployments) == 0 {
+					deployment.Default = true
+				}
 				if manifest.Deployments == nil {
 					manifest.Deployments = make(map[string]*buildRofl.Deployment)
 				}
-				manifest.Deployments[roflCommon.DeploymentName] = deployment
+				manifest.Deployments[deploymentName] = deployment
+				roflCommon.DeploymentName = deploymentName
 			}
 
 			idScheme, ok := identifierSchemes[scheme]
@@ -298,7 +315,7 @@ var (
 			tx := rofl.NewCreateTx(nil, &rofl.Create{
 				Policy:   *deployment.Policy.AsDescriptor(),
 				Scheme:   idScheme,
-				Metadata: manifest.GetMetadata(roflCommon.DeploymentName),
+				Metadata: manifest.GetMetadata(deploymentName),
 			})
 
 			acc := common.LoadAccount(cfg, npa.AccountName)

cmd/rofl/rofl.go

@@ -23,6 +23,7 @@ func init() {
 	Cmd.AddCommand(removeCmd)
 	Cmd.AddCommand(showCmd)
 	Cmd.AddCommand(listCmd)
+	Cmd.AddCommand(setDefaultCmd)
 	Cmd.AddCommand(trustRootCmd)
 	Cmd.AddCommand(build.Cmd)
 	Cmd.AddCommand(identityCmd)

cmd/rofl/set_default.go

@@ -0,0 +1,29 @@
+package rofl
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+
+	buildRofl "github.com/oasisprotocol/cli/build/rofl"
+)
+
+var setDefaultCmd = &cobra.Command{
+	Use:   "set-default <deployment>",
+	Short: "Sets the given deployment as the default deployment",
+	Args:  cobra.ExactArgs(1),
+	Run: func(_ *cobra.Command, args []string) {
+		name := args[0]
+
+		manifest, err := buildRofl.LoadManifest()
+		cobra.CheckErr(err)
+
+		err = manifest.SetDefaultDeployment(name)
+		cobra.CheckErr(err)
+
+		err = manifest.Save()
+		cobra.CheckErr(err)
+
+		fmt.Printf("Set '%s' as the default deployment.\n", name)
+	},
+}