Namespace config validation

docs/reference/config.md

@@ -617,7 +617,10 @@ nav_order: 3
 |Key|Description|Type|Default Value|
 |---|-----------|----|-------------|
 |description|A description for the namespace|`string`|`<nil>`
+|mode|The namespace mode. Valid values: gateway, multiparty|`string`|`<nil>`
 |name|The name of the namespace (must be unique)|`string`|`<nil>`
+|plugins|The list of plugins for this namespace|`string`|`<nil>`
+|remoteName|The namespace name to be sent in plugin calls, if it differs from namespace name|`string`|`<nil>`
 
 ## node
 

go.mod

@@ -13,7 +13,7 @@ require (
 	github.com/golang-migrate/migrate/v4 v4.15.1
 	github.com/gorilla/mux v1.8.0
 	github.com/gorilla/websocket v1.5.0
-	github.com/hyperledger/firefly-common v0.1.5
+	github.com/hyperledger/firefly-common v0.1.6
 	github.com/jarcoal/httpmock v1.1.0
 	github.com/karlseguin/ccache v2.0.3+incompatible
 	github.com/lib/pq v1.10.4

go.sum

@@ -637,6 +637,8 @@ github.com/hashicorp/serf v0.9.7/go.mod h1:TXZNMjZQijwlDvp+r0b63xZ45H7JmCmgg4gpT
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/hyperledger/firefly-common v0.1.5 h1:66RXEAc/dsSEYPRye3G48Lk9sN+AmYGPf1FkrkbQGWs=
 github.com/hyperledger/firefly-common v0.1.5/go.mod h1:qGy7i8eWlE8Ed7jFn2Hpn8bYaflL204j4NJB1mAfTms=
+github.com/hyperledger/firefly-common v0.1.6 h1:I6t7N5D3YlaPSGknYF2xLurfEO+UQsHV4VFYeR/3UI4=
+github.com/hyperledger/firefly-common v0.1.6/go.mod h1:qGy7i8eWlE8Ed7jFn2Hpn8bYaflL204j4NJB1mAfTms=
 github.com/iancoleman/strcase v0.2.0/go.mod h1:iwCmte+B7n89clKwxIoIXy/HfoL7AsD47ZCWhYzw7ho=
 github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
 github.com/ianlancetaylor/demangle v0.0.0-20200824232613-28f6c0f3b639/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=

internal/coreconfig/coreconfig.go

@@ -29,9 +29,15 @@ const (
 	PluginConfigName = "name"
 	// PluginConfigType is the type of the plugin to be loaded
 	PluginConfigType = "type"
-	// NamespaceName is a short name for a pre-defined namespace
+	// NamespaceMode is the configured mode of a namespace
+	NamespaceMode = "mode"
+	// NamespaceRemoteName is the namespace name to be sent in plugin calls
+	NamespaceRemoteName = "remoteName"
+	// NamespacePlugins is the list of namespace plugins
+	NamespacePlugins = "plugins"
+	// NamespaceName is the short name for a pre-defined namespace
 	NamespaceName = "name"
-	// NamespaceName is a long description for a pre-defined namespace
+	// NamespaceName is the long description for a pre-defined namespace
 	NamespaceDescription = "description"
 )
 

internal/coremsgs/en_config_descriptions.go

@@ -253,6 +253,9 @@ var (
 	ConfigNamespacesDefault               = ffc("config.namespaces.default", "The default namespace - must be in the predefined list", i18n.StringType)
 	ConfigNamespacesPredefined            = ffc("config.namespaces.predefined", "A list of namespaces to ensure exists, without requiring a broadcast from the network", "List "+i18n.StringType)
 	ConfigNamespacesPredefinedName        = ffc("config.namespaces.predefined[].name", "The name of the namespace (must be unique)", i18n.StringType)
+	ConfigNamespacesPredefinedPlugins     = ffc("config.namespaces.predefined[].plugins", "The list of plugins for this namespace", i18n.StringType)
+	ConfigNamespacesPredefinedMode        = ffc("config.namespaces.predefined[].mode", "The namespace mode. Valid values: gateway, multiparty", i18n.StringType)
+	ConfigNamespacesPredefinedRemoteName  = ffc("config.namespaces.predefined[].remoteName", "The namespace name to be sent in plugin calls, if it differs from namespace name", i18n.StringType)
 	ConfigNamespacesPredefinedDescription = ffc("config.namespaces.predefined[].description", "A description for the namespace", i18n.StringType)
 
 	ConfigNodeDescription = ffc("config.node.description", "The description of this FireFly node", i18n.StringType)

internal/namespace/config.go

@@ -34,6 +34,9 @@ var (
 func InitConfig(withDefaults bool) {
 	namespacePredefined.AddKnownKey(coreconfig.NamespaceName)
 	namespacePredefined.AddKnownKey(coreconfig.NamespaceDescription)
+	namespacePredefined.AddKnownKey(coreconfig.NamespaceRemoteName)
+	namespacePredefined.AddKnownKey(coreconfig.NamespacePlugins)
+	namespacePredefined.AddKnownKey(coreconfig.NamespaceMode, "multiparty")
 	if withDefaults {
 		namespaceConfig.AddKnownKey(NamespacePredefined+".0."+coreconfig.NamespaceName, "default")
 		namespaceConfig.AddKnownKey(NamespacePredefined+".0."+coreconfig.NamespaceDescription, "Default predefined namespace")

internal/namespace/manager.go

@@ -26,8 +26,12 @@ import (
 	"github.com/hyperledger/firefly-common/pkg/log"
 	"github.com/hyperledger/firefly/internal/coreconfig"
 	"github.com/hyperledger/firefly/internal/coremsgs"
+	"github.com/hyperledger/firefly/pkg/blockchain"
 	"github.com/hyperledger/firefly/pkg/core"
 	"github.com/hyperledger/firefly/pkg/database"
+	"github.com/hyperledger/firefly/pkg/dataexchange"
+	"github.com/hyperledger/firefly/pkg/sharedstorage"
+	"github.com/hyperledger/firefly/pkg/tokens"
 )
 
 type Manager interface {
@@ -36,14 +40,24 @@ type Manager interface {
 }
 
 type namespaceManager struct {
-	ctx      context.Context
-	nsConfig map[string]config.Section
+	ctx           context.Context
+	nsConfig      map[string]config.Section
+	bcPlugins     map[string]blockchain.Plugin
+	dbPlugins     map[string]database.Plugin
+	dxPlugins     map[string]dataexchange.Plugin
+	ssPlugins     map[string]sharedstorage.Plugin
+	tokensPlugins map[string]tokens.Plugin
 }
 
-func NewNamespaceManager(ctx context.Context) Manager {
+func NewNamespaceManager(ctx context.Context, bc map[string]blockchain.Plugin, db map[string]database.Plugin, dx map[string]dataexchange.Plugin, ss map[string]sharedstorage.Plugin, tokens map[string]tokens.Plugin) Manager {
 	nm := &namespaceManager{
-		ctx:      ctx,
-		nsConfig: buildNamespaceMap(ctx),
+		ctx:           ctx,
+		nsConfig:      buildNamespaceMap(ctx),
+		bcPlugins:     bc,
+		dbPlugins:     db,
+		dxPlugins:     dx,
+		ssPlugins:     ss,
+		tokensPlugins: tokens,
 	}
 	return nm
 }
@@ -80,7 +94,7 @@ func (nm *namespaceManager) getPredefinedNamespaces(ctx context.Context) ([]*cor
 	i := 0
 	foundDefault := false
 	for name, nsObject := range nm.nsConfig {
-		if err := core.ValidateFFNameField(ctx, name, fmt.Sprintf("namespaces.predefined[%d].name", i)); err != nil {
+		if err := nm.validateNamespaceConfig(ctx, name, i, nsObject); err != nil {
 			return nil, err
 		}
 		i++
@@ -124,3 +138,138 @@ func (nm *namespaceManager) initNamespaces(ctx context.Context, di database.Plug
 	}
 	return nil
 }
+
+func (nm *namespaceManager) validateNamespaceConfig(ctx context.Context, name string, index int, conf config.Section) error {
+	if err := core.ValidateFFNameField(ctx, name, fmt.Sprintf("namespaces.predefined[%d].name", index)); err != nil {
+		return err
+	}
+
+	if name == core.SystemNamespace || conf.GetString(coreconfig.NamespaceRemoteName) == core.SystemNamespace {
+		return i18n.NewError(ctx, coremsgs.MsgFFSystemReservedName, core.SystemNamespace)
+	}
+
+	mode := conf.GetString(coreconfig.NamespaceMode)
+	plugins := conf.GetStringSlice(coreconfig.NamespacePlugins)
+
+	// If no plugins are found when querying the config, assume older config file
+	if len(plugins) == 0 {
+		for plugin := range nm.bcPlugins {
+			plugins = append(plugins, plugin)
+		}
+
+		for plugin := range nm.dxPlugins {
+			plugins = append(plugins, plugin)
+		}
+
+		for plugin := range nm.ssPlugins {
+			plugins = append(plugins, plugin)
+		}
+
+		for plugin := range nm.dbPlugins {
+			plugins = append(plugins, plugin)
+		}
+	}
+
+	switch mode {
+	// Multiparty is the default mode when none is provided
+	case "multiparty":
+		if err := nm.validateMultiPartyConfig(ctx, name, plugins); err != nil {
+			return err
+		}
+	case "gateway":
+		if err := nm.validateGatewayConfig(ctx, name, plugins); err != nil {
+			return err
+		}
+	default:
+		return i18n.NewError(ctx, coremsgs.MsgInvalidNamespaceMode, name)
+	}
+	return nil
+}
+
+func (nm *namespaceManager) validateMultiPartyConfig(ctx context.Context, name string, plugins []string) error {
+	var dbPlugin bool
+	var ssPlugin bool
+	var dxPlugin bool
+	var bcPlugin bool
+
+	for _, pluginName := range plugins {
+		if _, ok := nm.bcPlugins[pluginName]; ok {
+			if bcPlugin {
+				return i18n.NewError(ctx, coremsgs.MsgNamespaceGatewayMultiplePluginType, name, "blockchain")
+			}
+			bcPlugin = true
+			continue
+		}
+		if _, ok := nm.dxPlugins[pluginName]; ok {
+			if dxPlugin {
+				return i18n.NewError(ctx, coremsgs.MsgNamespaceGatewayMultiplePluginType, name, "dataexchange")
+			}
+			dxPlugin = true
+			continue
+		}
+		if _, ok := nm.ssPlugins[pluginName]; ok {
+			if ssPlugin {
+				return i18n.NewError(ctx, coremsgs.MsgNamespaceGatewayMultiplePluginType, name, "sharedstorage")
+			}
+			ssPlugin = true
+			continue
+		}
+		if _, ok := nm.dbPlugins[pluginName]; ok {
+			if dbPlugin {
+				return i18n.NewError(ctx, coremsgs.MsgNamespaceGatewayMultiplePluginType, name, "database")
+			}
+			dbPlugin = true
+			continue
+		}
+		if _, ok := nm.tokensPlugins[pluginName]; ok {
+			continue
+		}
+
+		return i18n.NewError(ctx, coremsgs.MsgNamespaceUnknownPlugin, name, pluginName)
+	}
+
+	if !dbPlugin || !ssPlugin || !dxPlugin || !bcPlugin {
+		return i18n.NewError(ctx, coremsgs.MsgNamespaceMultipartyConfiguration, name)
+	}
+
+	return nil
+}
+
+func (nm *namespaceManager) validateGatewayConfig(ctx context.Context, name string, plugins []string) error {
+	var dbPlugin bool
+	var bcPlugin bool
+
+	for _, pluginName := range plugins {
+		if _, ok := nm.bcPlugins[pluginName]; ok {
+			if bcPlugin {
+				return i18n.NewError(ctx, coremsgs.MsgNamespaceGatewayMultiplePluginType, name, "blockchain")
+			}
+			bcPlugin = true
+			continue
+		}
+		if _, ok := nm.dxPlugins[pluginName]; ok {
+			return i18n.NewError(ctx, coremsgs.MsgNamespaceGatewayInvalidPlugins, name)
+		}
+		if _, ok := nm.ssPlugins[pluginName]; ok {
+			return i18n.NewError(ctx, coremsgs.MsgNamespaceGatewayInvalidPlugins, name)
+		}
+		if _, ok := nm.dbPlugins[pluginName]; ok {
+			if dbPlugin {
+				return i18n.NewError(ctx, coremsgs.MsgNamespaceGatewayMultiplePluginType, name, "database")
+			}
+			dbPlugin = true
+			continue
+		}
+		if _, ok := nm.tokensPlugins[pluginName]; ok {
+			continue
+		}
+
+		return i18n.NewError(ctx, coremsgs.MsgNamespaceUnknownPlugin, name, pluginName)
+	}
+
+	if !dbPlugin {
+		return i18n.NewError(ctx, coremsgs.MsgNamespaceGatewayNoDB, name)
+	}
+
+	return nil
+}