refactor: remove x/exp dep

baseapp/baseapp.go

@@ -4,8 +4,9 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"maps"
 	"math"
-	"sort"
+	"slices"
 	"strconv"
 	"sync"
 
@@ -14,7 +15,6 @@ import (
 	"github.com/cometbft/cometbft/crypto/tmhash"
 	dbm "github.com/cosmos/cosmos-db"
 	"github.com/cosmos/gogoproto/proto"
-	"golang.org/x/exp/maps"
 	"google.golang.org/protobuf/reflect/protoreflect"
 
 	"cosmossdk.io/core/header"
@@ -340,8 +340,7 @@ func (app *BaseApp) MountTransientStores(keys map[string]*storetypes.TransientSt
 // MountMemoryStores mounts all in-memory KVStores with the BaseApp's internal
 // commit multi-store.
 func (app *BaseApp) MountMemoryStores(keys map[string]*storetypes.MemoryStoreKey) {
-	skeys := maps.Keys(keys)
-	sort.Strings(skeys)
+	skeys := slices.Sorted(maps.Keys(keys))
 	for _, key := range skeys {
 		memKey := keys[key]
 		app.MountStore(memKey, storetypes.StoreTypeMemory)

go.mod

@@ -57,7 +57,6 @@ require (
 	github.com/tendermint/go-amino v0.16.0
 	gitlab.com/yawning/secp256k1-voi v0.0.0-20230925100816-f2616030848b
 	golang.org/x/crypto v0.26.0
-	golang.org/x/exp v0.0.0-20240531132922-fd00a4e0eefc
 	golang.org/x/sync v0.8.0
 	google.golang.org/genproto/googleapis/api v0.0.0-20240528184218-531527333157
 	google.golang.org/grpc v1.65.0
@@ -164,6 +163,7 @@ require (
 	go.etcd.io/bbolt v1.4.0-alpha.0.0.20240404170359-43604f3112c5 // indirect
 	go.opencensus.io v0.24.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
+	golang.org/x/exp v0.0.0-20240531132922-fd00a4e0eefc // indirect
 	golang.org/x/mod v0.17.0 // indirect
 	golang.org/x/net v0.28.0 // indirect
 	golang.org/x/sys v0.24.0 // indirect

runtime/v2/app.go

@@ -3,9 +3,9 @@ package runtime
 import (
 	"encoding/json"
 	"errors"
+	"slices"
 
 	gogoproto "github.com/cosmos/gogoproto/proto"
-	"golang.org/x/exp/slices"
 
 	runtimev2 "cosmossdk.io/api/cosmos/app/runtime/v2"
 	"cosmossdk.io/core/legacy"

runtime/v2/go.mod

@@ -24,7 +24,6 @@ require (
 	cosmossdk.io/x/tx v0.13.3
 	github.com/cosmos/gogoproto v1.7.0
 	github.com/spf13/viper v1.19.0
-	golang.org/x/exp v0.0.0-20240531132922-fd00a4e0eefc
 	google.golang.org/grpc v1.65.0
 	google.golang.org/protobuf v1.34.2
 )
@@ -91,6 +90,7 @@ require (
 	github.com/tidwall/btree v1.7.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	golang.org/x/crypto v0.26.0 // indirect
+	golang.org/x/exp v0.0.0-20240531132922-fd00a4e0eefc // indirect
 	golang.org/x/net v0.28.0 // indirect
 	golang.org/x/sync v0.8.0 // indirect
 	golang.org/x/sys v0.24.0 // indirect

runtime/v2/manager.go

@@ -5,11 +5,12 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"maps"
 	"reflect"
+	"slices"
 	"sort"
 
 	gogoproto "github.com/cosmos/gogoproto/proto"
-	"golang.org/x/exp/maps"
 	"google.golang.org/grpc"
 	proto "google.golang.org/protobuf/proto"
 	"google.golang.org/protobuf/reflect/protoreflect"
@@ -41,7 +42,7 @@ func NewModuleManager[T transaction.Tx](
 	modules map[string]appmodulev2.AppModule,
 ) *MM[T] {
 	// good defaults for the module manager order
-	modulesName := maps.Keys(modules)
+	modulesName := slices.Collect(maps.Keys(modules))
 	if len(config.PreBlockers) == 0 {
 		config.PreBlockers = modulesName
 	}

scripts/dep-assert.sh

@@ -22,6 +22,7 @@ done
 # no runtime/v2 or server/v2 imports in x/ modules
 RUNTIMEV2_REGEX="cosmossdk.io/runtime/v2"
 SEVERV2_REGEX="cosmossdk.io/server/v2"
+XEXP_REGEX="golang.org/x/exp"
 find ./x/ -type f -name 'go.mod' -print0 | while IFS= read -r -d '' file
 do
   d=$(dirname "$file")
@@ -34,4 +35,9 @@ do
     echo "${d} has a dependency on server/v2!"
     exit 1
   fi
+
+  if cd "$CWD/$d" && go list -test -f '{{ .Imports }}' ./... | grep -q -E "${XEXP_REGEX}"; then
+    echo "${d} has a dependency on golang.org/x/exp"
+    exit 1
+  fi
 done

server/v2/api/grpc/server.go

@@ -5,13 +5,14 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"maps"
 	"net"
+	"slices"
 	"strconv"
 
 	"github.com/cosmos/gogoproto/proto"
 	"github.com/spf13/pflag"
 	"github.com/spf13/viper"
-	"golang.org/x/exp/maps"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/metadata"
@@ -65,7 +66,7 @@ func (s *Server[T]) Init(appI serverv2.AppI[T], v *viper.Viper, logger log.Logge
 	)
 
 	// Reflection allows external clients to see what services and methods the gRPC server exposes.
-	gogoreflection.Register(grpcSrv, maps.Keys(methodsMap), logger.With("sub-module", "grpc-reflection"))
+	gogoreflection.Register(grpcSrv, slices.Collect(maps.Keys(methodsMap)), logger.With("sub-module", "grpc-reflection"))
 
 	s.grpcSrv = grpcSrv
 	s.config = cfg

server/v2/go.mod

@@ -38,7 +38,6 @@ require (
 	github.com/spf13/pflag v1.0.5
 	github.com/spf13/viper v1.19.0
 	github.com/stretchr/testify v1.9.0
-	golang.org/x/exp v0.0.0-20240531132922-fd00a4e0eefc
 	golang.org/x/sync v0.8.0
 	google.golang.org/grpc v1.65.0
 	google.golang.org/protobuf v1.34.2
@@ -102,6 +101,7 @@ require (
 	github.com/tidwall/btree v1.7.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	golang.org/x/crypto v0.26.0 // indirect
+	golang.org/x/exp v0.0.0-20240531132922-fd00a4e0eefc // indirect
 	golang.org/x/mod v0.17.0 // indirect
 	golang.org/x/net v0.28.0 // indirect
 	golang.org/x/sys v0.24.0 // indirect

server/v2/stf/core_event_service.go

@@ -4,11 +4,11 @@ import (
 	"bytes"
 	"context"
 	"encoding/json"
+	"maps"
 	"slices"
 
 	"github.com/cosmos/gogoproto/jsonpb"
 	gogoproto "github.com/cosmos/gogoproto/proto"
-	"golang.org/x/exp/maps"
 
 	"cosmossdk.io/core/event"
 	transaction "cosmossdk.io/core/transaction"
@@ -49,12 +49,6 @@ func (em *eventManager) EmitKV(eventType string, attrs ...event.Attribute) error
 	return nil
 }
 
-// EmitNonConsensus emits an typed event that is defined in the protobuf file.
-// These events will not be added to consensus.
-func (em *eventManager) EmitNonConsensus(event transaction.Msg) error {
-	return em.Emit(event)
-}
-
 // TypedEventToEvent takes typed event and converts to Event object
 func TypedEventToEvent(tev transaction.Msg) (event.Event, error) {
 	evtType := gogoproto.MessageName(tev)
@@ -70,9 +64,7 @@ func TypedEventToEvent(tev transaction.Msg) (event.Event, error) {
 	}
 
 	// sort the keys to ensure the order is always the same
-	keys := maps.Keys(attrMap)
-	slices.Sort(keys)
-
+	keys := slices.Sorted(maps.Keys(attrMap))
 	attrs := make([]event.Attribute, 0, len(attrMap))
 	for _, k := range keys {
 		v := attrMap[k]

server/v2/stf/go.mod

@@ -9,13 +9,13 @@ require (
 	github.com/cosmos/gogoproto v1.7.0
 	github.com/stretchr/testify v1.9.0
 	github.com/tidwall/btree v1.7.0
-	golang.org/x/exp v0.0.0-20231006140011-7918f672742d
 )
 
 require (
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/google/go-cmp v0.6.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	golang.org/x/exp v0.0.0-20231006140011-7918f672742d // indirect
 	google.golang.org/protobuf v1.34.2 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

store/v2/commitment/store.go

@@ -4,11 +4,11 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"maps"
 	"math"
-	"sort"
+	"slices"
 
 	protoio "github.com/cosmos/gogoproto/io"
-	"golang.org/x/exp/maps"
 
 	corelog "cosmossdk.io/core/log"
 	corestore "cosmossdk.io/core/store"
@@ -111,9 +111,7 @@ func (c *CommitStore) LoadVersion(targetVersion uint64) error {
 func (c *CommitStore) LoadVersionAndUpgrade(targetVersion uint64, upgrades *corestore.StoreUpgrades) error {
 	// deterministic iteration order for upgrades (as the underlying store may change and
 	// upgrades make store changes where the execution order may matter)
-	storeKeys := maps.Keys(c.multiTrees)
-	sort.Strings(storeKeys)
-
+	storeKeys := slices.Sorted(maps.Keys(c.multiTrees))
 	removeTree := func(storeKey string) error {
 		if oldTree, ok := c.multiTrees[storeKey]; ok {
 			if err := oldTree.Close(); err != nil {

store/v2/go.mod

@@ -20,7 +20,6 @@ require (
 	github.com/stretchr/testify v1.9.0
 	github.com/syndtr/goleveldb v1.0.1-0.20220721030215-126854af5e6d
 	go.uber.org/mock v0.4.0
-	golang.org/x/exp v0.0.0-20231006140011-7918f672742d
 	golang.org/x/sync v0.8.0
 )
 
@@ -59,6 +58,7 @@ require (
 	github.com/rs/zerolog v1.33.0 // indirect
 	github.com/tidwall/btree v1.7.0 // indirect
 	golang.org/x/crypto v0.26.0 // indirect
+	golang.org/x/exp v0.0.0-20231006140011-7918f672742d // indirect
 	golang.org/x/sys v0.23.0 // indirect
 	golang.org/x/text v0.17.0 // indirect
 	google.golang.org/protobuf v1.34.2 // indirect

tests/systemtests/cli.go

@@ -8,14 +8,14 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
+	"slices"
 	"strings"
 	"testing"
 	"time"
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"github.com/tidwall/gjson"
-	"golang.org/x/exp/slices"
 
 	sdk "github.com/cosmos/cosmos-sdk/types"
 )

tests/systemtests/go.mod

@@ -29,7 +29,6 @@ require (
 	github.com/creachadair/tomledit v0.0.26
 	github.com/tidwall/gjson v1.14.2
 	github.com/tidwall/sjson v1.2.5
-	golang.org/x/exp v0.0.0-20240531132922-fd00a4e0eefc
 )
 
 require (
@@ -147,6 +146,7 @@ require (
 	go.etcd.io/bbolt v1.3.8 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	golang.org/x/crypto v0.26.0 // indirect
+	golang.org/x/exp v0.0.0-20240531132922-fd00a4e0eefc // indirect
 	golang.org/x/net v0.28.0 // indirect
 	golang.org/x/sync v0.8.0 // indirect
 	golang.org/x/sys v0.24.0 // indirect

tests/systemtests/system.go

@@ -7,6 +7,7 @@ import (
 	"context"
 	"fmt"
 	"io"
+	"maps"
 	"os"
 	"os/exec"
 	"path/filepath"
@@ -23,7 +24,6 @@ import (
 	tmtypes "github.com/cometbft/cometbft/types"
 	"github.com/stretchr/testify/require"
 	"github.com/tidwall/sjson"
-	"golang.org/x/exp/maps"
 
 	"github.com/cosmos/cosmos-sdk/server"
 	sdk "github.com/cosmos/cosmos-sdk/types"
@@ -336,7 +336,7 @@ func (s *SystemUnderTest) withEachPid(cb func(p *os.Process)) {
 	pids := maps.Keys(s.pids)
 	s.pidsLock.RUnlock()
 
-	for _, pid := range pids {
+	for pid := range pids {
 		p, err := os.FindProcess(pid)
 		if err != nil {
 			continue

tools/confix/cmd/diff.go

@@ -3,11 +3,12 @@ package cmd
 import (
 	"errors"
 	"fmt"
+	"maps"
 	"path/filepath"
+	"slices"
 	"strings"
 
 	"github.com/spf13/cobra"
-	"golang.org/x/exp/maps"
 
 	"cosmossdk.io/tools/confix"
 
@@ -43,7 +44,7 @@ func DiffCommand() *cobra.Command {
 
 			targetVersion := args[0]
 			if _, ok := confix.Migrations[targetVersion]; !ok {
-				return fmt.Errorf("unknown version %q, supported versions are: %q", targetVersion, maps.Keys(confix.Migrations))
+				return fmt.Errorf("unknown version %q, supported versions are: %q", targetVersion, slices.Collect(maps.Keys(confix.Migrations)))
 			}
 
 			targetVersionFile, err := confix.LoadLocalConfig(targetVersion, configType)

tools/confix/cmd/migrate.go

@@ -4,11 +4,12 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"maps"
 	"path/filepath"
+	"slices"
 	"strings"
 
 	"github.com/spf13/cobra"
-	"golang.org/x/exp/maps"
 
 	"cosmossdk.io/tools/confix"
 
@@ -60,7 +61,7 @@ In case of any error in updating the file, no output is written.`,
 			targetVersion := args[0]
 			plan, ok := confix.Migrations[targetVersion]
 			if !ok {
-				return fmt.Errorf("unknown version %q, supported versions are: %q", targetVersion, maps.Keys(confix.Migrations))
+				return fmt.Errorf("unknown version %q, supported versions are: %q", targetVersion, slices.Collect(maps.Keys(confix.Migrations)))
 			}
 
 			rawFile, err := confix.LoadConfig(configPath)

tools/confix/go.mod

@@ -9,7 +9,6 @@ require (
 	github.com/pelletier/go-toml/v2 v2.2.2
 	github.com/spf13/cobra v1.8.1
 	github.com/spf13/viper v1.19.0
-	golang.org/x/exp v0.0.0-20240531132922-fd00a4e0eefc
 	gotest.tools/v3 v3.5.1
 )
 
@@ -140,6 +139,7 @@ require (
 	go.etcd.io/bbolt v1.3.8 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	golang.org/x/crypto v0.26.0 // indirect
+	golang.org/x/exp v0.0.0-20240531132922-fd00a4e0eefc // indirect
 	golang.org/x/net v0.28.0 // indirect
 	golang.org/x/sync v0.8.0 // indirect
 	golang.org/x/sys v0.24.0 // indirect

types/events.go

@@ -3,14 +3,14 @@ package types
 import (
 	"encoding/json"
 	"fmt"
+	"maps"
 	"reflect"
 	"slices"
 	"strings"
 
 	abci "github.com/cometbft/cometbft/api/cometbft/abci/v1"
 	"github.com/cosmos/gogoproto/jsonpb"
 	"github.com/cosmos/gogoproto/proto"
-	"golang.org/x/exp/maps"
 
 	"github.com/cosmos/cosmos-sdk/codec"
 )
@@ -100,9 +100,7 @@ func TypedEventToEvent(tev proto.Message) (Event, error) {
 	}
 
 	// sort the keys to ensure the order is always the same
-	keys := maps.Keys(attrMap)
-	slices.Sort(keys)
-
+	keys := slices.Sorted(maps.Keys(attrMap))
 	attrs := make([]abci.EventAttribute, 0, len(attrMap))
 	for _, k := range keys {
 		v := attrMap[k]