nit: panic with error

e2e/relayer/relayer.go

@@ -40,7 +40,7 @@ func New(t *testing.T, cfg Config, logger *zap.Logger, dockerClient *dockerclien
 	case Hermes:
 		return newHermesRelayer(t, cfg.Tag, logger, dockerClient, network, cfg.Image)
 	default:
-		panic(fmt.Sprintf("unknown relayer specified: %s", cfg.Type))
+		panic(fmt.Errorf("unknown relayer specified: %s", cfg.Type))
 	}
 }
 

e2e/testsuite/testsuite.go

@@ -2,6 +2,7 @@ package testsuite
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"strings"
 
@@ -272,7 +273,7 @@ func (s *E2ETestSuite) RecoverRelayerWallets(ctx context.Context, ibcrelayer ibc
 // StartRelayer starts the given ibcrelayer.
 func (s *E2ETestSuite) StartRelayer(ibcrelayer ibc.Relayer) {
 	if s.startRelayerFn == nil {
-		panic("cannot start relayer before it is created!")
+		panic(errors.New("cannot start relayer before it is created!"))
 	}
 
 	s.startRelayerFn(ibcrelayer)

modules/apps/27-interchain-accounts/controller/ibc_middleware.go

@@ -1,6 +1,8 @@
 package controller
 
 import (
+	"errors"
+
 	errorsmod "cosmossdk.io/errors"
 
 	sdk "github.com/cosmos/cosmos-sdk/types"
@@ -239,7 +241,7 @@ func (IBCMiddleware) SendPacket(
 	timeoutTimestamp uint64,
 	data []byte,
 ) (uint64, error) {
-	panic("SendPacket not supported for ICA controller module. Please use SendTx")
+	panic(errors.New("SendPacket not supported for ICA controller module. Please use SendTx"))
 }
 
 // WriteAcknowledgement implements the ICS4 Wrapper interface
@@ -249,7 +251,7 @@ func (IBCMiddleware) WriteAcknowledgement(
 	packet ibcexported.PacketI,
 	ack ibcexported.Acknowledgement,
 ) error {
-	panic("WriteAcknowledgement not supported for ICA controller module")
+	panic(errors.New("WriteAcknowledgement not supported for ICA controller module"))
 }
 
 // GetAppVersion returns the interchain accounts metadata.

modules/apps/27-interchain-accounts/controller/keeper/genesis.go

@@ -21,7 +21,7 @@ func InitGenesis(ctx sdk.Context, keeper Keeper, state genesistypes.ControllerGe
 
 			// use the controller scoped keeper to claim the port capability
 			if err := keeper.ClaimCapability(ctx, capability, host.PortPath(portID)); err != nil {
-				panic(fmt.Sprintf("could not claim port capability: %v", err))
+				panic(fmt.Errorf("could not claim port capability: %v", err))
 			}
 		}
 	}

modules/apps/27-interchain-accounts/controller/keeper/handshake.go

@@ -64,7 +64,7 @@ func (k Keeper) OnChanOpenInit(
 	if found {
 		channel, found := k.channelKeeper.GetChannel(ctx, portID, activeChannelID)
 		if !found {
-			panic(fmt.Sprintf("active channel mapping set for %s but channel does not exist in channel store", activeChannelID))
+			panic(fmt.Errorf("active channel mapping set for %s but channel does not exist in channel store", activeChannelID))
 		}
 
 		if channel.IsOpen() {
@@ -73,7 +73,7 @@ func (k Keeper) OnChanOpenInit(
 
 		appVersion, found := k.GetAppVersion(ctx, portID, activeChannelID)
 		if !found {
-			panic(fmt.Sprintf("active channel mapping set for %s, but channel does not exist in channel store", activeChannelID))
+			panic(fmt.Errorf("active channel mapping set for %s, but channel does not exist in channel store", activeChannelID))
 		}
 
 		if !icatypes.IsPreviousMetadataEqual(appVersion, metadata) {

modules/apps/27-interchain-accounts/controller/keeper/keeper.go

@@ -2,6 +2,7 @@ package keeper
 
 import (
 	"bytes"
+	"errors"
 	"fmt"
 	"strings"
 
@@ -53,7 +54,7 @@ func NewKeeper(
 	}
 
 	if strings.TrimSpace(authority) == "" {
-		panic(fmt.Errorf("authority must be non-empty"))
+		panic(errors.New("authority must be non-empty"))
 	}
 
 	return Keeper{
@@ -290,7 +291,7 @@ func (k Keeper) GetParams(ctx sdk.Context) types.Params {
 	store := ctx.KVStore(k.storeKey)
 	bz := store.Get([]byte(types.ParamsKey))
 	if bz == nil { // only panic on unset params and not on empty params
-		panic("ica/controller params are not set in store")
+		panic(errors.New("ica/controller params are not set in store"))
 	}
 
 	var params types.Params

modules/apps/27-interchain-accounts/host/keeper/genesis.go

@@ -21,7 +21,7 @@ func InitGenesis(ctx sdk.Context, keeper Keeper, state genesistypes.HostGenesisS
 
 		// use the host scoped keeper to claim the port capability
 		if err := keeper.ClaimCapability(ctx, capability, host.PortPath(state.Port)); err != nil {
-			panic(fmt.Sprintf("could not claim port capability: %v", err))
+			panic(fmt.Errorf("could not claim port capability: %v", err))
 		}
 	}
 
@@ -34,7 +34,7 @@ func InitGenesis(ctx sdk.Context, keeper Keeper, state genesistypes.HostGenesisS
 	}
 
 	if err := state.Params.Validate(); err != nil {
-		panic(fmt.Sprintf("could not set ica host params at genesis: %v", err))
+		panic(fmt.Errorf("could not set ica host params at genesis: %v", err))
 	}
 	keeper.SetParams(ctx, state.Params)
 }

modules/apps/27-interchain-accounts/host/keeper/handshake.go

@@ -48,7 +48,7 @@ func (k Keeper) OnChanOpenTry(
 	if found {
 		channel, found := k.channelKeeper.GetChannel(ctx, portID, activeChannelID)
 		if !found {
-			panic(fmt.Sprintf("active channel mapping set for %s but channel does not exist in channel store", activeChannelID))
+			panic(fmt.Errorf("active channel mapping set for %s but channel does not exist in channel store", activeChannelID))
 		}
 
 		if channel.IsOpen() {
@@ -57,7 +57,7 @@ func (k Keeper) OnChanOpenTry(
 
 		appVersion, found := k.GetAppVersion(ctx, portID, activeChannelID)
 		if !found {
-			panic(fmt.Sprintf("active channel mapping set for %s, but channel does not exist in channel store", activeChannelID))
+			panic(fmt.Errorf("active channel mapping set for %s, but channel does not exist in channel store", activeChannelID))
 		}
 
 		if !icatypes.IsPreviousMetadataEqual(appVersion, metadata) {

modules/apps/27-interchain-accounts/host/keeper/keeper.go

@@ -1,6 +1,7 @@
 package keeper
 
 import (
+	"errors"
 	"fmt"
 	"strings"
 
@@ -51,7 +52,7 @@ func NewKeeper(
 ) Keeper {
 	// ensure ibc interchain accounts module account is set
 	if addr := accountKeeper.GetModuleAddress(icatypes.ModuleName); addr == nil {
-		panic("the Interchain Accounts module account has not been set")
+		panic(errors.New("the Interchain Accounts module account has not been set"))
 	}
 
 	// set KeyTable if it has not already been set
@@ -60,7 +61,7 @@ func NewKeeper(
 	}
 
 	if strings.TrimSpace(authority) == "" {
-		panic(fmt.Errorf("authority must be non-empty"))
+		panic(errors.New("authority must be non-empty"))
 	}
 
 	return Keeper{
@@ -243,7 +244,7 @@ func (k Keeper) GetParams(ctx sdk.Context) types.Params {
 	store := ctx.KVStore(k.storeKey)
 	bz := store.Get([]byte(types.ParamsKey))
 	if bz == nil { // only panic on unset params and not on empty params
-		panic("ica/host params are not set in store")
+		panic(errors.New("ica/host params are not set in store"))
 	}
 
 	var params types.Params

modules/apps/27-interchain-accounts/host/keeper/keeper_test.go

@@ -73,7 +73,7 @@ func NewICAPath(chainA, chainB *ibctesting.TestChain, encoding string) *ibctesti
 	case icatypes.EncodingProto3JSON:
 		version = TestVersionWithJSONEncoding
 	default:
-		panic(fmt.Sprintf("unsupported encoding type: %s", encoding))
+		panic(fmt.Errorf("unsupported encoding type: %s", encoding))
 	}
 
 	path.EndpointA.ChannelConfig.PortID = icatypes.HostPortID

modules/apps/27-interchain-accounts/module.go

@@ -132,7 +132,7 @@ func (am AppModule) InitModule(ctx sdk.Context, controllerParams controllertypes
 
 	if am.hostKeeper != nil {
 		if err := hostParams.Validate(); err != nil {
-			panic(fmt.Sprintf("could not set ica host params at initialization: %v", err))
+			panic(fmt.Errorf("could not set ica host params at initialization: %v", err))
 		}
 
 		hostkeeper.InitGenesis(ctx, *am.hostKeeper, genesistypes.HostGenesisState{
@@ -156,7 +156,7 @@ func (am AppModule) RegisterServices(cfg module.Configurator) {
 
 	controllerMigrator := controllerkeeper.NewMigrator(am.controllerKeeper)
 	if err := cfg.RegisterMigration(types.ModuleName, 1, controllerMigrator.AssertChannelCapabilityMigrations); err != nil {
-		panic(fmt.Sprintf("failed to migrate interchainaccounts app from version 1 to 2 (channel capabilities owned by controller submodule check): %v", err))
+		panic(fmt.Errorf("failed to migrate interchainaccounts app from version 1 to 2 (channel capabilities owned by controller submodule check): %v", err))
 	}
 
 	hostMigrator := hostkeeper.NewMigrator(am.hostKeeper)
@@ -166,7 +166,7 @@ func (am AppModule) RegisterServices(cfg module.Configurator) {
 		}
 		return controllerMigrator.MigrateParams(ctx)
 	}); err != nil {
-		panic(fmt.Sprintf("failed to migrate interchainaccounts app from version 2 to 3 (self-managed params migration): %v", err))
+		panic(fmt.Errorf("failed to migrate interchainaccounts app from version 2 to 3 (self-managed params migration): %v", err))
 	}
 }
 

modules/apps/27-interchain-accounts/simulation/decoder.go

@@ -24,7 +24,7 @@ func NewDecodeStore() func(kvA, kvB kv.Pair) string {
 			return fmt.Sprintf("IsMiddlewareEnabled A: %s\nIsMiddlewareEnabled B: %s", string(kvA.Value), string(kvB.Value))
 
 		default:
-			panic(fmt.Sprintf("invalid %s key prefix %s", types.ModuleName, kvA.Key))
+			panic(fmt.Errorf("invalid %s key prefix %s", types.ModuleName, kvA.Key))
 		}
 	}
 }

modules/apps/29-fee/keeper/escrow.go

@@ -69,7 +69,7 @@ func (k Keeper) DistributePacketFeesOnAcknowledgement(ctx sdk.Context, forwardRe
 		// check if refundAcc address works
 		refundAddr, err := sdk.AccAddressFromBech32(packetFee.RefundAddress)
 		if err != nil {
-			panic(fmt.Sprintf("could not parse refundAcc %s to sdk.AccAddress", packetFee.RefundAddress))
+			panic(fmt.Errorf("could not parse refundAcc %s to sdk.AccAddress", packetFee.RefundAddress))
 		}
 
 		k.distributePacketFeeOnAcknowledgement(cacheCtx, refundAddr, forwardAddr, reverseRelayer, packetFee)
@@ -122,7 +122,7 @@ func (k Keeper) DistributePacketFeesOnTimeout(ctx sdk.Context, timeoutRelayer sd
 		// check if refundAcc address works
 		refundAddr, err := sdk.AccAddressFromBech32(packetFee.RefundAddress)
 		if err != nil {
-			panic(fmt.Sprintf("could not parse refundAcc %s to sdk.AccAddress", packetFee.RefundAddress))
+			panic(fmt.Errorf("could not parse refundAcc %s to sdk.AccAddress", packetFee.RefundAddress))
 		}
 
 		k.distributePacketFeeOnTimeout(cacheCtx, refundAddr, timeoutRelayer, packetFee)

modules/apps/callbacks/callbacks_test.go

@@ -2,6 +2,7 @@ package ibccallbacks_test
 
 import (
 	"encoding/json"
+	"errors"
 	"fmt"
 	"testing"
 
@@ -46,7 +47,7 @@ func SetupTestingApp() (ibctesting.TestingApp, map[string]json.RawMessage) {
 func GetSimApp(chain *ibctesting.TestChain) *simapp.SimApp {
 	app, ok := chain.App.(*simapp.SimApp)
 	if !ok {
-		panic("chain is not a simapp.SimApp")
+		panic(errors.New("chain is not a simapp.SimApp"))
 	}
 	return app
 }

modules/apps/callbacks/ibc_middleware.go

@@ -1,6 +1,7 @@
 package ibccallbacks
 
 import (
+	"errors"
 	"fmt"
 
 	errorsmod "cosmossdk.io/errors"
@@ -48,15 +49,15 @@ func NewIBCMiddleware(
 	}
 
 	if ics4Wrapper == nil {
-		panic(fmt.Errorf("ICS4Wrapper cannot be nil"))
+		panic(errors.New("ICS4Wrapper cannot be nil"))
 	}
 
 	if contractKeeper == nil {
-		panic(fmt.Errorf("contract keeper cannot be nil"))
+		panic(errors.New("contract keeper cannot be nil"))
 	}
 
 	if maxCallbackGas == 0 {
-		panic(fmt.Errorf("maxCallbackGas cannot be zero"))
+		panic(errors.New("maxCallbackGas cannot be zero"))
 	}
 
 	return IBCMiddleware{

modules/apps/callbacks/testing/simapp/export.go

@@ -2,6 +2,7 @@ package simapp
 
 import (
 	"encoding/json"
+	"errors"
 	"log"
 
 	storetypes "cosmossdk.io/store/types"
@@ -206,7 +207,7 @@ func (app *SimApp) prepForZeroHeightGenesis(ctx sdk.Context, jailAllowedAddrs []
 		addr := sdk.ValAddress(stakingtypes.AddressFromValidatorsKey(iter.Key()))
 		validator, err := app.StakingKeeper.GetValidator(ctx, addr)
 		if err != nil {
-			panic("expected validator, not found")
+			panic(errors.New("expected validator, not found"))
 		}
 
 		validator.UnbondingHeight = 0
@@ -216,7 +217,7 @@ func (app *SimApp) prepForZeroHeightGenesis(ctx sdk.Context, jailAllowedAddrs []
 
 		err = app.StakingKeeper.SetValidator(ctx, validator)
 		if err != nil {
-			panic("couldn't set validator")
+			panic(errors.New("couldn't set validator"))
 		}
 		counter++
 	}

modules/apps/transfer/keeper/genesis.go

@@ -24,7 +24,7 @@ func (k Keeper) InitGenesis(ctx sdk.Context, state types.GenesisState) {
 		// and claims the returned capability
 		err := k.BindPort(ctx, state.PortId)
 		if err != nil {
-			panic(fmt.Sprintf("could not claim port capability: %v", err))
+			panic(fmt.Errorf("could not claim port capability: %v", err))
 		}
 	}
 

modules/apps/transfer/keeper/keeper.go

@@ -1,6 +1,7 @@
 package keeper
 
 import (
+	"errors"
 	"fmt"
 	"strings"
 
@@ -56,15 +57,15 @@ func NewKeeper(
 ) Keeper {
 	// ensure ibc transfer module account is set
 	if addr := authKeeper.GetModuleAddress(types.ModuleName); addr == nil {
-		panic("the IBC transfer module account has not been set")
+		panic(errors.New("the IBC transfer module account has not been set"))
 	}
 	// set KeyTable if it has not already been set
 	if !legacySubspace.HasKeyTable() {
 		legacySubspace = legacySubspace.WithKeyTable(types.ParamKeyTable())
 	}
 
 	if strings.TrimSpace(authority) == "" {
-		panic(fmt.Errorf("authority must be non-empty"))
+		panic(errors.New("authority must be non-empty"))
 	}
 
 	return Keeper{
@@ -128,7 +129,7 @@ func (k Keeper) GetParams(ctx sdk.Context) types.Params {
 	store := ctx.KVStore(k.storeKey)
 	bz := store.Get([]byte(types.ParamsKey))
 	if bz == nil { // only panic on unset params and not on empty params
-		panic("transfer params are not set in store")
+		panic(errors.New("transfer params are not set in store"))
 	}
 
 	var params types.Params
@@ -239,7 +240,7 @@ func (k Keeper) GetTotalEscrowForDenom(ctx sdk.Context, denom string) sdk.Coin {
 // if the amount is negative.
 func (k Keeper) SetTotalEscrowForDenom(ctx sdk.Context, coin sdk.Coin) {
 	if coin.Amount.IsNegative() {
-		panic(fmt.Sprintf("amount cannot be negative: %s", coin.Amount))
+		panic(fmt.Errorf("amount cannot be negative: %s", coin.Amount))
 	}
 
 	store := ctx.KVStore(k.storeKey)