Rate limiter

Makefile

@@ -45,7 +45,7 @@ $(BIN)/%: | $(BIN) ; $(info $(M) installing $(REPOSITORY)…)
 
 GOLANGCILINT = $(BIN)/golangci-lint
 $(BIN)/golangci-lint:
-	curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(GOPATH)/bin v1.53.3
+	curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(GOPATH)/bin v1.55.2
 
 GENTOOL = $(BIN)/gentool
 $(BIN)/gentool: REPOSITORY=gorm.io/gen/tools/gentool@latest

app/app.go

@@ -98,6 +98,11 @@ import (
 	sequencerproposal "github.com/warp-contracts/sequencer/x/sequencer/proposal"
 	sequencermoduletypes "github.com/warp-contracts/sequencer/x/sequencer/types"
 
+	limitermodule "github.com/warp-contracts/sequencer/x/limiter"
+	limitermodulekeeper "github.com/warp-contracts/sequencer/x/limiter/keeper"
+	limitermoduletypes "github.com/warp-contracts/sequencer/x/limiter/types"
+
+	appconfig "github.com/warp-contracts/sequencer/app/config"
 	// this line is used by starport scaffolding # stargate/app/moduleImport
 
 	appparams "github.com/warp-contracts/sequencer/app/params"
@@ -152,6 +157,7 @@ var (
 		vesting.AppModuleBasic{},
 		consensus.AppModuleBasic{},
 		sequencermodule.AppModuleBasic{},
+		limitermodule.AppModuleBasic{},
 		// this line is used by starport scaffolding # stargate/app/moduleBasic
 	)
 
@@ -217,6 +223,7 @@ type App struct {
 	GroupKeeper           groupkeeper.Keeper
 	ConsensusParamsKeeper consensusparamkeeper.Keeper
 	SequencerKeeper       sequencermodulekeeper.Keeper
+	LimiterKeeper         limitermodulekeeper.Keeper
 
 	// Tasks
 	ArweaveBlocksController controller.ArweaveBlocksController
@@ -233,6 +240,9 @@ type App struct {
 	configurator module.Configurator
 
 	BlockInteractions *sequencerante.BlockInteractions
+
+	// Custom app configuration
+	Config *appconfig.Config
 }
 
 // New returns a reference to an initialized blockchain app
@@ -272,6 +282,7 @@ func New(
 		govtypes.StoreKey, paramstypes.StoreKey, upgradetypes.StoreKey,
 		feegrant.StoreKey, evidencetypes.StoreKey, capabilitytypes.StoreKey, group.StoreKey,
 		consensusparamtypes.StoreKey, sequencermoduletypes.StoreKey,
+		limitermoduletypes.StoreKey,
 		// this line is used by starport scaffolding # stargate/app/storeKey
 	)
 	tkeys := sdk.NewTransientStoreKeys(paramstypes.TStoreKey)
@@ -289,6 +300,12 @@ func New(
 		memKeys:           memKeys,
 	}
 
+	// Custom App configuration
+	app.Config, err = appconfig.Load("" /*homePath + "/config.json"*/)
+	if err != nil {
+		panic(err)
+	}
+
 	app.ParamsKeeper = initParamsKeeper(
 		appCodec,
 		cdc,
@@ -445,11 +462,22 @@ func New(
 		),
 	)
 
+	app.LimiterKeeper = *limitermodulekeeper.NewKeeper(
+		appCodec,
+		keys[limitermoduletypes.StoreKey],
+		keys[limitermoduletypes.MemStoreKey],
+		app.GetSubspace(limitermoduletypes.ModuleName),
+		1, /* Number of limiters, indexed from 0 */
+		int64(app.Config.RateLimiter.NumberOfMonitoredBlocks), /* Number of blocks to keep in the cache */
+	)
+	limiterModule := limitermodule.NewAppModule(appCodec, app.LimiterKeeper, app.AccountKeeper, app.BankKeeper)
+
 	app.SequencerKeeper = *sequencermodulekeeper.NewKeeper(
 		appCodec,
 		keys[sequencermoduletypes.StoreKey],
 		keys[sequencermoduletypes.MemStoreKey],
 		app.GetSubspace(sequencermoduletypes.ModuleName),
+		app.LimiterKeeper,
 	)
 
 	genesisLoader := sequencermodule.NewGenesisLoader(logger, homePath)
@@ -521,6 +549,7 @@ func New(
 		consensus.NewAppModule(appCodec, app.ConsensusParamsKeeper),
 		params.NewAppModule(app.ParamsKeeper),
 		sequencerModule,
+		limiterModule,
 		// this line is used by starport scaffolding # stargate/app/appModule
 
 		crisis.NewAppModule(app.CrisisKeeper, skipGenesisInvariants, app.GetSubspace(crisistypes.ModuleName)), // always be last to make sure that it checks for all invariants and not only part of them
@@ -551,6 +580,7 @@ func New(
 		vestingtypes.ModuleName,
 		consensusparamtypes.ModuleName,
 		sequencermoduletypes.ModuleName,
+		limitermoduletypes.ModuleName,
 		// this line is used by starport scaffolding # stargate/app/beginBlockers
 	)
 
@@ -574,6 +604,7 @@ func New(
 		vestingtypes.ModuleName,
 		consensusparamtypes.ModuleName,
 		sequencermoduletypes.ModuleName,
+		limitermoduletypes.ModuleName,
 		// this line is used by starport scaffolding # stargate/app/endBlockers
 	)
 
@@ -602,6 +633,7 @@ func New(
 		vestingtypes.ModuleName,
 		consensusparamtypes.ModuleName,
 		sequencermoduletypes.ModuleName,
+		limitermoduletypes.ModuleName,
 		// this line is used by starport scaffolding # stargate/app/initGenesis
 	}
 	app.mm.SetOrderInitGenesis(genesisModuleOrder...)
@@ -794,7 +826,7 @@ func (app *App) RegisterAPIRoutes(apiSvr *api.Server, apiConfig config.APIConfig
 	docs.RegisterOpenAPIService(Name, apiSvr.Router)
 
 	// Register the route for sending data items
-	sequencerapi.RegisterDataItemAPIRoute(clientCtx, apiSvr.Router)
+	sequencerapi.RegisterDataItemAPIRoute(clientCtx, apiSvr.Router, &app.LimiterKeeper, app.Config.RateLimiter.WhiteListArweaveWalletOwners)
 	// Register the route for retrieving nonce
 	sequencerapi.RegisterNonceAPIRoute(app, apiSvr.Router)
 	// Register the route for retrieving tx by sender and nonce
@@ -836,6 +868,7 @@ func initParamsKeeper(appCodec codec.BinaryCodec, legacyAmino *codec.LegacyAmino
 	paramsKeeper.Subspace(govtypes.ModuleName).WithKeyTable(govv1.ParamKeyTable()) //nolint:staticcheck
 	paramsKeeper.Subspace(crisistypes.ModuleName)
 	paramsKeeper.Subspace(sequencermoduletypes.ModuleName)
+	paramsKeeper.Subspace(limitermoduletypes.ModuleName)
 	// this line is used by starport scaffolding # stargate/app/paramSubspace
 
 	return paramsKeeper
@@ -855,6 +888,7 @@ func (app *App) ModuleManager() *module.Manager {
 func (app *App) Close() (err error) {
 	app.ArweaveBlocksController.StopWait()
 	app.BlockValidator.StopWait()
+	app.LimiterKeeper.StopWait()
 	return nil
 }
 

app/config/config.go

@@ -0,0 +1,104 @@
+package config
+
+import (
+	"bytes"
+	"os"
+	"reflect"
+	"strings"
+
+	"github.com/iancoleman/strcase"
+	"github.com/spf13/viper"
+)
+
+const (
+	envPrefix = "WARP_SEQUENCER_"
+)
+
+type Config struct {
+	RateLimiter RateLimiter
+}
+
+func setDefaults() {
+	setRateLimiterDefaults()
+}
+
+func IsIndex(s string) bool {
+	for _, c := range s {
+		if c < '0' || c > '9' {
+			return false
+		}
+	}
+	return true
+}
+
+func BindEnv(path []string, val reflect.Value) {
+	if val.Kind() == reflect.Slice {
+		// Slice of base types
+		key := strings.ToLower(strings.Join(path, "."))
+		env := envPrefix + strcase.ToScreamingSnake(strings.Join(path, "_"))
+		err := viper.BindEnv(key, env)
+		if err != nil {
+			panic(err)
+		}
+	} else if val.Kind() != reflect.Struct {
+		// Base types
+		// key := strings.ToLower(strings.Join(path, "."))
+		key := path[0]
+		for _, p := range path[1:] {
+			if IsIndex(p) {
+				key += "[" + p + "]"
+				// key += "." + p
+			} else {
+				key += "." + p
+			}
+		}
+
+		env := envPrefix + strcase.ToScreamingSnake(strings.Join(path, "_"))
+		err := viper.BindEnv(key, env)
+		if err != nil {
+			panic(err)
+		}
+	} else {
+		// Iterates over struct fields
+		for i := 0; i < val.NumField(); i++ {
+			newPath := make([]string, len(path))
+			copy(newPath, path)
+			newPath = append(newPath, val.Type().Field(i).Name)
+			BindEnv(newPath, val.Field(i))
+		}
+	}
+}
+
+// Load configuration from file and env
+func Load(filename string) (config *Config, err error) {
+	viper.SetConfigType("json")
+
+	setDefaults()
+
+	// Visits every field and registers upper snake case ENV name for it
+	// Works with embedded structs
+	BindEnv([]string{}, reflect.ValueOf(Config{}))
+
+	// Empty filename means we use default values
+	if filename != "" {
+		var content []byte
+		/* #nosec */
+		content, err = os.ReadFile(filename)
+		if err != nil {
+			return nil, err
+		}
+
+		err = viper.ReadConfig(bytes.NewBuffer(content))
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	config = new(Config)
+	err = viper.Unmarshal(&config)
+	if err != nil {
+		return nil, err
+	}
+
+	return
+}

app/config/rate-limiter.go

@@ -0,0 +1,19 @@
+package config
+
+import (
+	mapset "github.com/deckarep/golang-set/v2"
+	"github.com/spf13/viper"
+)
+
+type RateLimiter struct {
+	// Arweave wallet owners that aren't impacted by the rate limiter
+	WhiteListArweaveWalletOwners mapset.Set[string]
+
+	// Number of monitored blocks
+	NumberOfMonitoredBlocks int
+}
+
+func setRateLimiterDefaults() {
+	viper.SetDefault("RateLimiter.WhiteListArweaveWalletOwners", mapset.NewSet[string]())
+	viper.SetDefault("RateLimiter.NumberOfMonitoredBlocks", 100)
+}

cmd/sequencerd/cmd/root.go

@@ -36,6 +36,7 @@ import (
 	"github.com/spf13/cast"
 	"github.com/spf13/cobra"
 	"github.com/spf13/pflag"
+
 	// this line is used by starport scaffolding # root/moduleImport
 
 	"github.com/warp-contracts/sequencer/app"

docs/static/openapi.yml

@@ -34923,6 +34923,42 @@ paths:
           format: int64
       tags:
         - Query
+  /warp-contracts/sequencer/limiter/params:
+    get:
+      summary: Parameters queries the parameters of the module.
+      operationId: SequencerLimiterParams
+      responses:
+        '200':
+          description: A successful response.
+          schema:
+            type: object
+            properties:
+              params:
+                description: params holds all the parameters of this module.
+                type: object
+            description: >-
+              QueryParamsResponse is response type for the Query/Params RPC
+              method.
+        default:
+          description: An unexpected error response.
+          schema:
+            type: object
+            properties:
+              code:
+                type: integer
+                format: int32
+              message:
+                type: string
+              details:
+                type: array
+                items:
+                  type: object
+                  properties:
+                    '@type':
+                      type: string
+                  additionalProperties: {}
+      tags:
+        - Query
   /warp-contracts/sequencer/sequencer/last_arweave_block:
     get:
       summary: Queries a LastArweaveBlock by index.
@@ -59269,6 +59305,16 @@ definitions:
             NOTE: The amount field is an Int which implements the custom method
             signatures required by gogoproto.
     description: Period defines a length of time and amount of coins that will vest.
+  sequencer.limiter.Params:
+    type: object
+    description: Params defines the parameters for the module.
+  sequencer.limiter.QueryParamsResponse:
+    type: object
+    properties:
+      params:
+        description: params holds all the parameters of this module.
+        type: object
+    description: QueryParamsResponse is response type for the Query/Params RPC method.
   sequencer.sequencer.ArweaveBlockInfo:
     type: object
     properties:

go.mod

@@ -11,17 +11,20 @@ require (
 	github.com/cosmos/cosmos-proto v1.0.0-beta.2
 	github.com/cosmos/cosmos-sdk v0.47.5
 	github.com/cosmos/gogoproto v1.4.10
+	github.com/deckarep/golang-set/v2 v2.6.0
 	github.com/ethereum/go-ethereum v1.11.6
 	github.com/gammazero/deque v0.2.1
 	github.com/go-playground/validator/v10 v10.14.1
 	github.com/golang/protobuf v1.5.3
 	github.com/gorilla/mux v1.8.0
 	github.com/grpc-ecosystem/grpc-gateway v1.16.0
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.15.2
+	github.com/iancoleman/strcase v0.2.0
 	github.com/sirupsen/logrus v1.9.0
 	github.com/spf13/cast v1.5.0
 	github.com/spf13/cobra v1.6.1
 	github.com/spf13/pflag v1.0.5
+	github.com/spf13/viper v1.15.0
 	github.com/stretchr/testify v1.8.4
 	github.com/warp-contracts/syncer v0.2.104
 	golang.org/x/crypto v0.13.0
@@ -127,7 +130,6 @@ require (
 	github.com/hdevalence/ed25519consensus v0.1.0 // indirect
 	github.com/holiman/uint256 v1.2.2-0.20230321075855-87b91420868c // indirect
 	github.com/huandu/skiplist v1.2.0 // indirect
-	github.com/iancoleman/strcase v0.2.0 // indirect
 	github.com/improbable-eng/grpc-web v0.15.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/jackc/chunkreader/v2 v2.0.1 // indirect
@@ -185,7 +187,6 @@ require (
 	github.com/sasha-s/go-deadlock v0.3.1 // indirect
 	github.com/spf13/afero v1.9.3 // indirect
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
-	github.com/spf13/viper v1.15.0 // indirect
 	github.com/subosito/gotenv v1.4.2 // indirect
 	github.com/syndtr/goleveldb v1.0.1-0.20220721030215-126854af5e6d // indirect
 	github.com/tecbot/gorocksdb v0.0.0-20191217155057-f0fad39f321c // indirect

go.sum

@@ -392,6 +392,8 @@ github.com/danieljoos/wincred v1.1.2/go.mod h1:GijpziifJoIBfYh+S7BbkdUTU4LfM+QnG
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/deckarep/golang-set/v2 v2.6.0 h1:XfcQbWM1LlMB8BsJ8N9vW5ehnnPVIw0je80NsVHagjM=
+github.com/deckarep/golang-set/v2 v2.6.0/go.mod h1:VAky9rY/yGXJOLEDv3OMci+7wtDpOF4IN+y82NBOac4=
 github.com/decred/dcrd/crypto/blake256 v1.0.0 h1:/8DMNYp9SGi5f0w7uCm6d6M4OU2rGFK09Y2A4Xv7EE0=
 github.com/decred/dcrd/crypto/blake256 v1.0.0/go.mod h1:sQl2p6Y26YV+ZOcSTP6thNdn47hh8kt6rqSlvmrXFAc=
 github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.0-20210816181553-5444fa50b93d/go.mod h1:tmAIfUFEirG/Y8jhZ9M+h36obRZAk/1fcSpXwAVlfqE=

proto/sequencer/limiter/genesis.proto

@@ -0,0 +1,12 @@
+syntax = "proto3";
+package sequencer.limiter;
+
+import "gogoproto/gogo.proto";
+import "sequencer/limiter/params.proto";
+
+option go_package = "github.com/warp-contracts/sequencer/x/limiter/types";
+
+// GenesisState defines the limiter module's genesis state.
+message GenesisState {
+  Params params = 1 [(gogoproto.nullable) = false];
+}