refactor: remove viper as a direct dependency (#21635)

core/server/config.go

@@ -0,0 +1,8 @@
+package server
+
+// DynamicConfig defines an interface for configuration that can be dynamically
+// fetched at runtime by an arbitrary key.
+type DynamicConfig interface {
+	Get(string) any
+	GetString(string) string
+}

go.mod

@@ -185,6 +185,7 @@ require (
 replace (
 	cosmossdk.io/api => ./api
 	cosmossdk.io/collections => ./collections
+	cosmossdk.io/core => ./core
 	cosmossdk.io/core/testing => ./core/testing
 	cosmossdk.io/store => ./store
 	cosmossdk.io/x/bank => ./x/bank

go.sum

@@ -4,8 +4,6 @@ buf.build/gen/go/cosmos/gogo-proto/protocolbuffers/go v1.34.2-20240130113600-88e
 buf.build/gen/go/cosmos/gogo-proto/protocolbuffers/go v1.34.2-20240130113600-88ef6483f90f.2/go.mod h1:HqcXMSa5qnNuakaMUo+hWhF51mKbcrZxGl9Vp5EeJXc=
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cosmossdk.io/core v1.0.0-alpha.1 h1:iElkDJhxmy51aLMSLMZcfsqcv4QG4/1UHbHiW8Llw6k=
-cosmossdk.io/core v1.0.0-alpha.1/go.mod h1:abgLjeFLhtuKIYZWSPlVUgQBrKObO7ULV35KYfexE90=
 cosmossdk.io/depinject v1.0.0 h1:dQaTu6+O6askNXO06+jyeUAnF2/ssKwrrszP9t5q050=
 cosmossdk.io/depinject v1.0.0/go.mod h1:zxK/h3HgHoA/eJVtiSsoaRaRA2D5U4cJ5thIG4ssbB8=
 cosmossdk.io/errors v1.0.1 h1:bzu+Kcr0kS/1DuPBtUFdWjzLqyUuCiyHjyJB6srBV/0=

runtime/v2/builder.go

@@ -7,10 +7,9 @@ import (
 	"io"
 	"path/filepath"
 
-	"github.com/spf13/viper"
-
 	"cosmossdk.io/core/appmodule"
 	appmodulev2 "cosmossdk.io/core/appmodule/v2"
+	"cosmossdk.io/core/server"
 	"cosmossdk.io/core/store"
 	"cosmossdk.io/core/transaction"
 	"cosmossdk.io/server/v2/appmanager"
@@ -25,8 +24,8 @@ import (
 // the existing app.go initialization conventions.
 type AppBuilder[T transaction.Tx] struct {
 	app          *App[T]
-	storeOptions *rootstore.FactoryOptions
-	viper        *viper.Viper
+	config       server.DynamicConfig
+	storeOptions rootstore.Options
 
 	// the following fields are used to overwrite the default
 	branch      func(state store.ReaderMap) store.WriterMap
@@ -73,9 +72,6 @@ func (a *AppBuilder[T]) RegisterModules(modules map[string]appmodulev2.AppModule
 // To be used in combination of RegisterModules.
 func (a *AppBuilder[T]) RegisterStores(keys ...string) {
 	a.app.storeKeys = append(a.app.storeKeys, keys...)
-	if a.storeOptions != nil {
-		a.storeOptions.StoreKeys = append(a.storeOptions.StoreKeys, keys...)
-	}
 }
 
 // Build builds an *App instance.
@@ -124,29 +120,26 @@ func (a *AppBuilder[T]) Build(opts ...AppBuilderOption[T]) (*App[T], error) {
 	}
 	a.app.stf = stf
 
-	storeOpts := rootstore.DefaultStoreOptions()
-	if s := a.viper.Sub("store.options"); s != nil {
-		if err := s.Unmarshal(&storeOpts); err != nil {
-			return nil, fmt.Errorf("failed to unmarshal store options: %w", err)
-		}
-	}
-
-	home := a.viper.GetString(FlagHome)
-	scRawDb, err := db.NewDB(db.DBType(a.viper.GetString("store.app-db-backend")), "application", filepath.Join(home, "data"), nil)
+	home := a.config.GetString(FlagHome)
+	scRawDb, err := db.NewDB(
+		db.DBType(a.config.GetString("store.app-db-backend")),
+		"application",
+		filepath.Join(home, "data"),
+		nil,
+	)
 	if err != nil {
 		panic(err)
 	}
 
-	storeOptions := &rootstore.FactoryOptions{
+	factoryOptions := &rootstore.FactoryOptions{
 		Logger:    a.app.logger,
 		RootDir:   home,
-		Options:   storeOpts,
+		Options:   a.storeOptions,
 		StoreKeys: append(a.app.storeKeys, "stf"),
 		SCRawDB:   scRawDb,
 	}
-	a.storeOptions = storeOptions
 
-	rs, err := rootstore.CreateRootStore(a.storeOptions)
+	rs, err := rootstore.CreateRootStore(factoryOptions)
 	if err != nil {
 		return nil, fmt.Errorf("failed to create root store: %w", err)
 	}
@@ -217,14 +210,14 @@ func AppBuilderWithTxValidator[T transaction.Tx](txValidators func(ctx context.C
 
 // AppBuilderWithPostTxExec sets logic that will be executed after each transaction.
 // When not provided, a no-op function will be used.
-func AppBuilderWithPostTxExec[T transaction.Tx](
-	postTxExec func(
-		ctx context.Context,
-		tx T,
-		success bool,
-	) error,
-) AppBuilderOption[T] {
+func AppBuilderWithPostTxExec[T transaction.Tx](postTxExec func(ctx context.Context, tx T, success bool) error) AppBuilderOption[T] {
 	return func(a *AppBuilder[T]) {
 		a.postTxExec = postTxExec
 	}
 }
+
+func AppBuilderWithStoreOptions[T transaction.Tx](opts rootstore.Options) AppBuilderOption[T] {
+	return func(a *AppBuilder[T]) {
+		a.storeOptions = opts
+	}
+}

runtime/v2/go.mod

@@ -5,6 +5,7 @@ go 1.23
 // server v2 integration
 replace (
 	cosmossdk.io/api => ../../api
+	cosmossdk.io/core => ../../core
 	cosmossdk.io/core/testing => ../../core/testing
 	cosmossdk.io/server/v2/appmanager => ../../server/v2/appmanager
 	cosmossdk.io/server/v2/stf => ../../server/v2/stf
@@ -22,7 +23,6 @@ require (
 	cosmossdk.io/store/v2 v2.0.0-00010101000000-000000000000
 	cosmossdk.io/x/tx v0.13.3
 	github.com/cosmos/gogoproto v1.7.0
-	github.com/spf13/viper v1.19.0
 	google.golang.org/grpc v1.66.1
 	google.golang.org/protobuf v1.34.2
 )
@@ -45,7 +45,6 @@ require (
 	github.com/cosmos/ics23/go v0.11.0 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/emicklei/dot v1.6.2 // indirect
-	github.com/fsnotify/fsnotify v1.7.0 // indirect
 	github.com/getsentry/sentry-go v0.27.0 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/snappy v0.0.4 // indirect
@@ -54,19 +53,15 @@ require (
 	github.com/hashicorp/go-immutable-radix v1.3.1 // indirect
 	github.com/hashicorp/go-metrics v0.5.3 // indirect
 	github.com/hashicorp/golang-lru v1.0.2 // indirect
-	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/klauspost/compress v1.17.9 // indirect
 	github.com/kr/pretty v0.3.1 // indirect
 	github.com/kr/text v0.2.0 // indirect
 	github.com/linxGnu/grocksdb v1.8.14 // indirect
-	github.com/magiconair/properties v1.8.7 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mattn/go-sqlite3 v1.14.22 // indirect
-	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/onsi/gomega v1.28.1 // indirect
-	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
 	github.com/prometheus/client_golang v1.20.3 // indirect
@@ -75,18 +70,11 @@ require (
 	github.com/prometheus/procfs v0.15.1 // indirect
 	github.com/rogpeppe/go-internal v1.12.0 // indirect
 	github.com/rs/zerolog v1.33.0 // indirect
-	github.com/sagikazarmark/locafero v0.4.0 // indirect
-	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
-	github.com/sourcegraph/conc v0.3.0 // indirect
-	github.com/spf13/afero v1.11.0 // indirect
 	github.com/spf13/cast v1.7.0 // indirect
-	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/stretchr/testify v1.9.0 // indirect
-	github.com/subosito/gotenv v1.6.0 // indirect
 	github.com/syndtr/goleveldb v1.0.1-0.20220721030215-126854af5e6d // indirect
 	github.com/tendermint/go-amino v0.16.0 // indirect
 	github.com/tidwall/btree v1.7.0 // indirect
-	go.uber.org/multierr v1.11.0 // indirect
 	golang.org/x/crypto v0.27.0 // indirect
 	golang.org/x/exp v0.0.0-20240531132922-fd00a4e0eefc // indirect
 	golang.org/x/net v0.29.0 // indirect
@@ -95,7 +83,6 @@ require (
 	golang.org/x/text v0.18.0 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20240604185151-ef581f913117 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1 // indirect
-	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	sigs.k8s.io/yaml v1.4.0 // indirect
 )

runtime/v2/go.sum

@@ -2,8 +2,6 @@ buf.build/gen/go/cometbft/cometbft/protocolbuffers/go v1.34.2-20240701160653-fed
 buf.build/gen/go/cometbft/cometbft/protocolbuffers/go v1.34.2-20240701160653-fedbb9acfd2f.2/go.mod h1:1+3gJj2NvZ1mTLAtHu+lMhOjGgQPiCKCeo+9MBww0Eo=
 buf.build/gen/go/cosmos/gogo-proto/protocolbuffers/go v1.34.2-20240130113600-88ef6483f90f.2 h1:b7EEYTUHmWSBEyISHlHvXbJPqtKiHRuUignL1tsHnNQ=
 buf.build/gen/go/cosmos/gogo-proto/protocolbuffers/go v1.34.2-20240130113600-88ef6483f90f.2/go.mod h1:HqcXMSa5qnNuakaMUo+hWhF51mKbcrZxGl9Vp5EeJXc=
-cosmossdk.io/core v1.0.0-alpha.1 h1:iElkDJhxmy51aLMSLMZcfsqcv4QG4/1UHbHiW8Llw6k=
-cosmossdk.io/core v1.0.0-alpha.1/go.mod h1:abgLjeFLhtuKIYZWSPlVUgQBrKObO7ULV35KYfexE90=
 cosmossdk.io/depinject v1.0.0 h1:dQaTu6+O6askNXO06+jyeUAnF2/ssKwrrszP9t5q050=
 cosmossdk.io/depinject v1.0.0/go.mod h1:zxK/h3HgHoA/eJVtiSsoaRaRA2D5U4cJ5thIG4ssbB8=
 cosmossdk.io/errors/v2 v2.0.0-20240731132947-df72853b3ca5 h1:IQNdY2kB+k+1OM2DvqFG1+UgeU1JzZrWtwuWzI3ZfwA=
@@ -123,8 +121,6 @@ github.com/hashicorp/go-uuid v1.0.1/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/b
 github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
 github.com/hashicorp/golang-lru v1.0.2 h1:dV3g9Z/unq5DpblPpw+Oqcv4dU/1omnb4Ok8iPY6p1c=
 github.com/hashicorp/golang-lru v1.0.2/go.mod h1:iADmTwqILo4mZ8BN3D2Q6+9jd8WM5uGBxy+E8yxSoD4=
-github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4=
-github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/ianlancetaylor/demangle v0.0.0-20200824232613-28f6c0f3b639/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
@@ -145,8 +141,6 @@ github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/linxGnu/grocksdb v1.8.14 h1:HTgyYalNwBSG/1qCQUIott44wU5b2Y9Kr3z7SK5OfGQ=
 github.com/linxGnu/grocksdb v1.8.14/go.mod h1:QYiYypR2d4v63Wj1adOOfzglnoII0gLj3PNh4fZkcFA=
-github.com/magiconair/properties v1.8.7 h1:IeQXZAiQcpL9mgcAe1Nu6cX9LLw6ExEHKjN0VQdvPDY=
-github.com/magiconair/properties v1.8.7/go.mod h1:Dhd985XPs7jluiymwWYZ0G4Z61jb3vdS329zhj2hYo0=
 github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
 github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
 github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
@@ -156,8 +150,6 @@ github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D
 github.com/mattn/go-sqlite3 v1.14.22 h1:2gZY6PC6kBnID23Tichd1K+Z0oS6nE/XwU+Vz/5o4kU=
 github.com/mattn/go-sqlite3 v1.14.22/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
-github.com/mitchellh/mapstructure v1.5.0 h1:jeMsZIYE/09sWLaz43PL7Gy6RuMjD2eJVyuac5Z2hdY=
-github.com/mitchellh/mapstructure v1.5.0/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
@@ -182,8 +174,6 @@ github.com/onsi/gomega v1.28.1 h1:MijcGUbfYuznzK/5R4CPNoUP/9Xvuo20sXfEm6XxoTA=
 github.com/onsi/gomega v1.28.1/go.mod h1:9sxs+SwGrKI0+PWe4Fxa9tFQQBG5xSsSbMXOI8PPpoQ=
 github.com/pascaldekloe/goe v0.1.0 h1:cBOtyMzM9HTpWjXfbbunk26uA6nG3a8n06Wieeh0MwY=
 github.com/pascaldekloe/goe v0.1.0/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
-github.com/pelletier/go-toml/v2 v2.2.2 h1:aYUidT7k73Pcl9nb2gScu7NSrKCSHIDE89b3+6Wq+LM=
-github.com/pelletier/go-toml/v2 v2.2.2/go.mod h1:1t835xjRzz80PqgE6HHgN2JOsmgYu/h4qDAS4n929Rs=
 github.com/pingcap/errors v0.11.4 h1:lFuQV/oaUMGcD2tqt+01ROSmJs75VG1ToEOkZIZ4nE4=
 github.com/pingcap/errors v0.11.4/go.mod h1:Oi8TUi2kEtXXLMJk9l1cGmz20kV3TaQ0usTwv5KuLY8=
 github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsKMEsNbx1VGcRFpLqf3715MtcvvzbA=
@@ -219,39 +209,19 @@ github.com/rogpeppe/go-internal v1.12.0/go.mod h1:E+RYuTGaKKdloAfM02xzb0FW3Paa99
 github.com/rs/xid v1.5.0/go.mod h1:trrq9SKmegXys3aeAKXMUTdJsYXVwGY3RLcfgqegfbg=
 github.com/rs/zerolog v1.33.0 h1:1cU2KZkvPxNyfgEmhHAz/1A9Bz+llsdYzklWFzgp0r8=
 github.com/rs/zerolog v1.33.0/go.mod h1:/7mN4D5sKwJLZQ2b/znpjC3/GQWY/xaDXUM0kKWRHss=
-github.com/sagikazarmark/locafero v0.4.0 h1:HApY1R9zGo4DBgr7dqsTH/JJxLTTsOt7u6keLGt6kNQ=
-github.com/sagikazarmark/locafero v0.4.0/go.mod h1:Pe1W6UlPYUk/+wc/6KFhbORCfqzgYEpgQ3O5fPuL3H4=
-github.com/sagikazarmark/slog-shim v0.1.0 h1:diDBnUNK9N/354PgrxMywXnAwEr1QZcOr6gto+ugjYE=
-github.com/sagikazarmark/slog-shim v0.1.0/go.mod h1:SrcSrq8aKtyuqEI1uvTDTK1arOWRIczQRv+GVI1AkeQ=
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
 github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
-github.com/sourcegraph/conc v0.3.0 h1:OQTbbt6P72L20UqAkXXuLOj79LfEanQ+YQFNpLA9ySo=
-github.com/sourcegraph/conc v0.3.0/go.mod h1:Sdozi7LEKbFPqYX2/J+iBAM6HpqSLTASQIKqDmF7Mt0=
-github.com/spf13/afero v1.11.0 h1:WJQKhtpdm3v2IzqG8VMqrr6Rf3UYpEF239Jy9wNepM8=
-github.com/spf13/afero v1.11.0/go.mod h1:GH9Y3pIexgf1MTIWtNGyogA5MwRIDXGUr+hbWNoBjkY=
 github.com/spf13/cast v1.7.0 h1:ntdiHjuueXFgm5nzDRdOS4yfT43P5Fnud6DH50rz/7w=
 github.com/spf13/cast v1.7.0/go.mod h1:ancEpBxwJDODSW/UG4rDrAqiKolqNNh2DX3mk86cAdo=
-github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
-github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
-github.com/spf13/viper v1.19.0 h1:RWq5SEjt8o25SROyN3z2OrDB9l7RPd3lwTWU8EcEdcI=
-github.com/spf13/viper v1.19.0/go.mod h1:GQUN9bilAbhU/jgc1bKs99f/suXKeUMct8Adx5+Ntkg=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
-github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
-github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
-github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.2/go.mod h1:R6va5+xMeoiuVRoj+gSkQ7d3FALtqAAGI1FQKckRals=
-github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
-github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
-github.com/subosito/gotenv v1.6.0 h1:9NlTDc1FTs4qu0DDq7AEtTPNw6SVm7uBMsUCUjABIf8=
-github.com/subosito/gotenv v1.6.0/go.mod h1:Dk4QP5c2W3ibzajGcXpNraDfq2IrhjMIvMSWPKKo0FU=
 github.com/syndtr/goleveldb v1.0.1-0.20220721030215-126854af5e6d h1:vfofYNRScrDdvS342BElfbETmL1Aiz3i2t0zfRj16Hs=
 github.com/syndtr/goleveldb v1.0.1-0.20220721030215-126854af5e6d/go.mod h1:RRCYJbIwD5jmqPI9XoAFR0OcDxqUctll6zUj/+B4S48=
 github.com/tendermint/go-amino v0.16.0 h1:GyhmgQKvqF82e2oZeuMSp9JTN0N09emoSZlb2lyGa2E=
@@ -263,8 +233,6 @@ github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9de
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 go.uber.org/mock v0.4.0 h1:VcM4ZOtdbR4f6VXfiOpwpVJDL6lCReaZ6mw31wqh7KU=
 go.uber.org/mock v0.4.0/go.mod h1:a6FSlNadKUHUa9IP5Vyt1zh4fC7uAwxMutEAscFbkZc=
-go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
-go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
@@ -363,8 +331,6 @@ gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
-gopkg.in/ini.v1 v1.67.0 h1:Dgnx+6+nfE+IfzjUEISNeydPJh9AXNNsWbGP9KzCsOA=
-gopkg.in/ini.v1 v1.67.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
@@ -373,7 +339,6 @@ gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gotest.tools/v3 v3.5.1 h1:EENdUnS3pdur5nybKYIh2Vfgc8IUNBjxDPSjtiJcOzU=

runtime/v2/module.go

@@ -6,7 +6,6 @@ import (
 	"slices"
 
 	"github.com/cosmos/gogoproto/proto"
-	"github.com/spf13/viper"
 	"google.golang.org/grpc"
 	"google.golang.org/protobuf/reflect/protodesc"
 	"google.golang.org/protobuf/reflect/protoregistry"
@@ -18,6 +17,7 @@ import (
 	appmodulev2 "cosmossdk.io/core/appmodule/v2"
 	"cosmossdk.io/core/comet"
 	"cosmossdk.io/core/registry"
+	"cosmossdk.io/core/server"
 	"cosmossdk.io/core/store"
 	"cosmossdk.io/core/transaction"
 	"cosmossdk.io/depinject"
@@ -145,7 +145,7 @@ type AppInputs struct {
 	InterfaceRegistrar registry.InterfaceRegistrar
 	LegacyAmino        registry.AminoRegistrar
 	Logger             log.Logger
-	Viper              *viper.Viper `optional:"true"` // can be nil in client wiring
+	DynamicConfig      server.DynamicConfig `optional:"true"` // can be nil in client wiring
 }
 
 func SetupAppBuilder(inputs AppInputs) {
@@ -156,8 +156,8 @@ func SetupAppBuilder(inputs AppInputs) {
 	app.moduleManager.RegisterInterfaces(inputs.InterfaceRegistrar)
 	app.moduleManager.RegisterLegacyAminoCodec(inputs.LegacyAmino)
 
-	if inputs.Viper != nil {
-		inputs.AppBuilder.viper = inputs.Viper
+	if inputs.DynamicConfig != nil {
+		inputs.AppBuilder.config = inputs.DynamicConfig
 	}
 }
 

simapp/go.mod

@@ -241,6 +241,7 @@ replace (
 	cosmossdk.io/api => ../api
 	cosmossdk.io/client/v2 => ../client/v2
 	cosmossdk.io/collections => ../collections
+	cosmossdk.io/core => ../core
 	cosmossdk.io/core/testing => ../core/testing
 	cosmossdk.io/store => ../store
 	cosmossdk.io/tools/confix => ../tools/confix

simapp/go.sum

@@ -192,8 +192,6 @@ cloud.google.com/go/webrisk v1.4.0/go.mod h1:Hn8X6Zr+ziE2aNd8SliSDWpEnSS1u4R9+xX
 cloud.google.com/go/webrisk v1.5.0/go.mod h1:iPG6fr52Tv7sGk0H6qUFzmL3HHZev1htXuWDEEsqMTg=
 cloud.google.com/go/workflows v1.6.0/go.mod h1:6t9F5h/unJz41YqfBmqSASJSXccBLtD1Vwf+KmJENM0=
 cloud.google.com/go/workflows v1.7.0/go.mod h1:JhSrZuVZWuiDfKEFxU0/F1PQjmpnpcoISEXH2bcHC3M=
-cosmossdk.io/core v1.0.0-alpha.1 h1:iElkDJhxmy51aLMSLMZcfsqcv4QG4/1UHbHiW8Llw6k=
-cosmossdk.io/core v1.0.0-alpha.1/go.mod h1:abgLjeFLhtuKIYZWSPlVUgQBrKObO7ULV35KYfexE90=
 cosmossdk.io/depinject v1.0.0 h1:dQaTu6+O6askNXO06+jyeUAnF2/ssKwrrszP9t5q050=
 cosmossdk.io/depinject v1.0.0/go.mod h1:zxK/h3HgHoA/eJVtiSsoaRaRA2D5U4cJ5thIG4ssbB8=
 cosmossdk.io/errors v1.0.1 h1:bzu+Kcr0kS/1DuPBtUFdWjzLqyUuCiyHjyJB6srBV/0=