feat(rln-relay): pass in index to keystore credentials

cmd/waku/flags_rln.go

@@ -17,10 +17,10 @@ func rlnFlags() []cli.Flag {
 			Destination: &options.RLNRelay.Enable,
 		},
 		&cli.IntFlag{
-			Name:        "rln-relay-membership-index",
+			Name:        "rln-relay-membership-group-index",
 			Value:       0,
-			Usage:       "(experimental) the index of node in the rln-relay group: a value between 0-99 inclusive",
+			Usage:       "the index of credentials to use, within a specific rln membership set",
-			Destination: &options.RLNRelay.MembershipIndex,
+			Destination: &options.RLNRelay.MembershipGroupIndex,
 		},
 		&cli.StringFlag{
 			Name:        "rln-relay-pubsub-topic",
@@ -51,6 +51,12 @@ func rlnFlags() []cli.Flag {
 			Usage:       "Password for encrypting RLN credentials",
 			Destination: &options.RLNRelay.CredentialsPassword,
 		},
+		&cli.IntFlag{
+			Name:        "rln-relay-membership-index",
+			Value:       0,
+			Usage:       "the index of credentials to use",
+			Destination: &options.RLNRelay.CredentialsIndex,
+		},
 		// TODO: this is a good candidate option for subcommands
 		// TODO: consider accepting a private key file and passwd
 		&cli.GenericFlag{

cmd/waku/node_rln.go

@@ -18,7 +18,7 @@ func checkForRLN(logger *zap.Logger, options Options, nodeOpts *[]node.WakuNodeO
 			failOnErr(errors.New("relay not available"), "Could not enable RLN Relay")
 		}
 		if !options.RLNRelay.Dynamic {
-			*nodeOpts = append(*nodeOpts, node.WithStaticRLNRelay(options.RLNRelay.PubsubTopic, options.RLNRelay.ContentTopic, rln.MembershipIndex(options.RLNRelay.MembershipIndex), nil))
+			*nodeOpts = append(*nodeOpts, node.WithStaticRLNRelay(options.RLNRelay.PubsubTopic, options.RLNRelay.ContentTopic, rln.MembershipIndex(options.RLNRelay.MembershipGroupIndex), nil))
 		} else {
 
 			var ethPrivKey *ecdsa.PrivateKey
@@ -31,7 +31,9 @@ func checkForRLN(logger *zap.Logger, options Options, nodeOpts *[]node.WakuNodeO
 				options.RLNRelay.ContentTopic,
 				options.RLNRelay.CredentialsPath,
 				options.RLNRelay.CredentialsPassword,
+				options.RLNRelay.CredentialsIndex,
 				options.RLNRelay.MembershipContractAddress,
+				rln.MembershipIndex(options.RLNRelay.MembershipGroupIndex),
 				nil,
 				options.RLNRelay.ETHClientAddress,
 				ethPrivKey,

cmd/waku/options.go

@@ -37,7 +37,8 @@ type RLNRelayOptions struct {
 	Enable                    bool
 	CredentialsPath           string
 	CredentialsPassword       string
-	MembershipIndex           int
+	CredentialsIndex          int
+	MembershipGroupIndex      int
 	PubsubTopic               string
 	ContentTopic              string
 	Dynamic                   bool

examples/chat2/exec.go

@@ -76,7 +76,9 @@ func execute(options Options) {
 				options.RLNRelay.ContentTopic,
 				options.RLNRelay.CredentialsPath,
 				options.RLNRelay.CredentialsPassword,
+				options.RLNRelay.CredentialsIndex,
 				options.RLNRelay.MembershipContractAddress,
+				uint(options.RLNRelay.MembershipIndex),
 				spamHandler,
 				options.RLNRelay.ETHClientAddress,
 				options.RLNRelay.ETHPrivateKey,

examples/chat2/flags.go

@@ -194,11 +194,17 @@ func getFlags() []cli.Flag {
 			Usage:       "Enable spam protection through rln-relay",
 			Destination: &options.RLNRelay.Enable,
 		},
+		&cli.IntFlag{
+			Name:        "rln-relay-membership-group-index",
+			Value:       0,
+			Usage:       "the index of credentials to use, within a specific rln membership set",
+			Destination: &options.RLNRelay.MembershipGroupIndex,
+		},
 		&cli.IntFlag{
 			Name:        "rln-relay-membership-index",
 			Value:       0,
-			Usage:       "(experimental) the index of node in the rln-relay group: a value between 0-99 inclusive",
+			Usage:       "the index of credentials to use",
-			Destination: &options.RLNRelay.MembershipIndex,
+			Destination: &options.RLNRelay.CredentialsIndex,
 		},
 		&cli.StringFlag{
 			Name:        "rln-relay-pubsub-topic",

examples/chat2/options.go

@@ -31,6 +31,8 @@ type RLNRelayOptions struct {
 	Enable                    bool
 	CredentialsPath           string
 	CredentialsPassword       string
+	CredentialsIndex          int
+	MembershipGroupIndex      int
 	MembershipIndex           int
 	PubsubTopic               string
 	ContentTopic              string

waku/v2/node/wakunode2_rln.go

@@ -49,8 +49,10 @@ func (w *WakuNode) mountRlnRelay(ctx context.Context) error {
 			w.opts.rlnETHClientAddress,
 			w.opts.rlnETHPrivateKey,
 			w.opts.rlnMembershipContractAddress,
+			w.opts.rlnRelayMemIndex,
 			w.opts.keystorePath,
 			w.opts.keystorePassword,
+			w.opts.keystoreIndex,
 			true,
 			w.opts.rlnRegistrationHandler,
 			w.log,

waku/v2/node/wakuoptions.go

@@ -102,6 +102,7 @@ type WakuNodeParameters struct {
 	rlnETHClientAddress          string
 	keystorePath                 string
 	keystorePassword             string
+	keystoreIndex                int
 	rlnMembershipContractAddress common.Address
 	rlnRegistrationHandler       func(tx *types.Transaction)
 

waku/v2/node/wakuoptions_rln.go

@@ -27,12 +27,13 @@ func WithStaticRLNRelay(pubsubTopic string, contentTopic string, memberIndex r.M
 
 // WithDynamicRLNRelay enables the Waku V2 RLN protocol in onchain mode.
 // Requires the `gowaku_rln` build constrain (or the env variable RLN=true if building go-waku)
-func WithDynamicRLNRelay(pubsubTopic string, contentTopic string, keystorePath string, keystorePassword string, membershipContract common.Address, spamHandler rln.SpamHandler, ethClientAddress string, ethPrivateKey *ecdsa.PrivateKey, registrationHandler rln.RegistrationHandler) WakuNodeOption {
+func WithDynamicRLNRelay(pubsubTopic string, contentTopic string, keystorePath string, keystorePassword string, keystoreIndex int, membershipContract common.Address, membershipGroupIndex uint, spamHandler rln.SpamHandler, ethClientAddress string, ethPrivateKey *ecdsa.PrivateKey, registrationHandler rln.RegistrationHandler) WakuNodeOption {
 	return func(params *WakuNodeParameters) error {
 		params.enableRLN = true
 		params.rlnRelayDynamic = true
 		params.keystorePassword = keystorePassword
 		params.keystorePath = keystorePath
+		params.keystoreIndex = keystoreIndex
 		params.rlnRelayPubsubTopic = pubsubTopic
 		params.rlnRelayContentTopic = contentTopic
 		params.rlnSpamHandler = spamHandler
@@ -40,6 +41,7 @@ func WithDynamicRLNRelay(pubsubTopic string, contentTopic string, keystorePath s
 		params.rlnETHPrivateKey = ethPrivateKey
 		params.rlnMembershipContractAddress = membershipContract
 		params.rlnRegistrationHandler = registrationHandler
+		params.rlnRelayMemIndex = membershipGroupIndex
 		return nil
 	}
 }

waku/v2/protocol/rln/group_manager/dynamic/dynamic.go

@@ -37,6 +37,7 @@ type DynamicGroupManager struct {
 	membershipIndex    *rln.MembershipIndex
 
 	membershipContractAddress common.Address
+	membershipGroupIndex      uint
 	ethClientAddress          string
 	ethClient                 *ethclient.Client
 
@@ -55,6 +56,7 @@ type DynamicGroupManager struct {
 	saveKeystore     bool
 	keystorePath     string
 	keystorePassword string
+	keystoreIndex    int
 
 	rootTracker *group_manager.MerkleRootTracker
 }
@@ -101,8 +103,10 @@ func NewDynamicGroupManager(
 	ethClientAddr string,
 	ethAccountPrivateKey *ecdsa.PrivateKey,
 	memContractAddr common.Address,
+	membershipGroupIndex uint,
 	keystorePath string,
 	keystorePassword string,
+	keystoreIndex int,
 	saveKeystore bool,
 	registrationHandler RegistrationHandler,
 	log *zap.Logger,
@@ -122,6 +126,7 @@ func NewDynamicGroupManager(
 	}
 
 	return &DynamicGroupManager{
+		membershipGroupIndex:      membershipGroupIndex,
 		membershipContractAddress: memContractAddr,
 		ethClientAddress:          ethClientAddr,
 		ethAccountPrivateKey:      ethAccountPrivateKey,
@@ -130,6 +135,7 @@ func NewDynamicGroupManager(
 		saveKeystore:              saveKeystore,
 		keystorePath:              path,
 		keystorePassword:          password,
+		keystoreIndex:             keystoreIndex,
 		log:                       log,
 	}, nil
 }
@@ -193,10 +199,9 @@ func (gm *DynamicGroupManager) Start(ctx context.Context, rlnInstance *rln.RLN,
 			return err
 		}
 
-		// TODO: accept an index from the config
+		if len(credentials) >= gm.keystoreIndex+1 {
-		if len(credentials) != 0 {
+			gm.identityCredential = &credentials[gm.keystoreIndex].IdentityCredential
-			gm.identityCredential = &credentials[0].IdentityCredential
+			gm.membershipIndex = &credentials[gm.keystoreIndex].MembershipGroups[gm.membershipGroupIndex].TreeIndex
-			gm.membershipIndex = &credentials[0].MembershipGroups[0].TreeIndex
 		}
 	}
 

waku/v2/protocol/rln/onchain_test.go

@@ -138,7 +138,7 @@ func (s *WakuRLNRelayDynamicSuite) TestDynamicGroupManagement() {
 	rt, err := group_manager.NewMerkleRootTracker(5, rlnInstance)
 	s.Require().NoError(err)
 
-	gm, err := dynamic.NewDynamicGroupManager(s.clientAddr, s.u1PrivKey, s.rlnAddr, "./test_onchain.json", "", false, nil, utils.Logger())
+	gm, err := dynamic.NewDynamicGroupManager(s.clientAddr, s.u1PrivKey, s.rlnAddr, 0, "./test_onchain.json", "", 0, false, nil, utils.Logger())
 	s.Require().NoError(err)
 
 	// initialize the WakuRLNRelay
@@ -239,7 +239,7 @@ func (s *WakuRLNRelayDynamicSuite) TestMerkleTreeConstruction() {
 	defer sub.Unsubscribe()
 
 	// mount the rln relay protocol in the on-chain/dynamic mode
-	gm, err := dynamic.NewDynamicGroupManager(s.clientAddr, s.u1PrivKey, s.rlnAddr, "./test_onchain.json", "", false, nil, utils.Logger())
+	gm, err := dynamic.NewDynamicGroupManager(s.clientAddr, s.u1PrivKey, s.rlnAddr, 0, "./test_onchain.json", "", 0, false, nil, utils.Logger())
 	s.Require().NoError(err)
 
 	rlnRelay, err := New(relay, gm, RLNRELAY_PUBSUB_TOPIC, RLNRELAY_CONTENT_TOPIC, nil, timesource.NewDefaultClock(), utils.Logger())
@@ -283,7 +283,7 @@ func (s *WakuRLNRelayDynamicSuite) TestCorrectRegistrationOfPeers() {
 	defer sub1.Unsubscribe()
 
 	// mount the rln relay protocol in the on-chain/dynamic mode
-	gm1, err := dynamic.NewDynamicGroupManager(s.clientAddr, s.u1PrivKey, s.rlnAddr, "./test_onchain.json", "", false, nil, utils.Logger())
+	gm1, err := dynamic.NewDynamicGroupManager(s.clientAddr, s.u1PrivKey, s.rlnAddr, 0, "./test_onchain.json", "", 0, false, nil, utils.Logger())
 	s.Require().NoError(err)
 
 	rlnRelay1, err := New(relay1, gm1, RLNRELAY_PUBSUB_TOPIC, RLNRELAY_CONTENT_TOPIC, nil, timesource.NewDefaultClock(), utils.Logger())
@@ -309,7 +309,7 @@ func (s *WakuRLNRelayDynamicSuite) TestCorrectRegistrationOfPeers() {
 	defer sub2.Unsubscribe()
 
 	// mount the rln relay protocol in the on-chain/dynamic mode
-	gm2, err := dynamic.NewDynamicGroupManager(s.clientAddr, s.u2PrivKey, s.rlnAddr, "./test_onchain.json", "", false, nil, utils.Logger())
+	gm2, err := dynamic.NewDynamicGroupManager(s.clientAddr, s.u2PrivKey, s.rlnAddr, 0, "./test_onchain.json", "", 0, false, nil, utils.Logger())
 	s.Require().NoError(err)
 
 	rlnRelay2, err := New(relay2, gm2, RLNRELAY_PUBSUB_TOPIC, RLNRELAY_CONTENT_TOPIC, nil, timesource.NewDefaultClock(), utils.Logger())