add ak

x/feemarket/ante/fee.go

@@ -55,7 +55,6 @@ func (dfd FeeMarketDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bo
 	}
 
 	minGasPricesDec := sdk.NewDecCoinsFromCoins(minGasPrices...)
-	ctx = ctx.WithMinGasPrices(minGasPricesDec)
 
 	fee := feeTx.GetFee()
 	if !simulate {
@@ -69,7 +68,7 @@ func (dfd FeeMarketDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bo
 		return ctx, err
 	}
 
-	newCtx := ctx.WithPriority(priority)
+	newCtx := ctx.WithPriority(priority).WithMinGasPrices(minGasPricesDec)
 	return next(newCtx, tx, simulate)
 }
 

x/feemarket/keeper/keeper.go

@@ -1,6 +1,8 @@
 package keeper
 
 import (
+	"fmt"
+
 	"github.com/cometbft/cometbft/libs/log"
 	"github.com/cosmos/cosmos-sdk/codec"
 	storetypes "github.com/cosmos/cosmos-sdk/store/types"
@@ -12,6 +14,7 @@ import (
 type Keeper struct {
 	cdc      codec.BinaryCodec
 	storeKey storetypes.StoreKey
+	ak       types.AccountKeeper
 
 	// The address that is capable of executing a MsgParams message.
 	// Typically, this will be the governance module's address.
@@ -22,11 +25,22 @@ type Keeper struct {
 func NewKeeper(
 	cdc codec.BinaryCodec,
 	storeKey storetypes.StoreKey,
+	authKeeper types.AccountKeeper,
 	authority string,
 ) *Keeper {
+	// ensure governance module account is set
+	if addr := authKeeper.GetModuleAddress(types.FeeCollectorName); addr == nil {
+		panic(fmt.Sprintf("%s module account has not been set", types.ModuleName))
+	}
+
+	if _, err := sdk.AccAddressFromBech32(authority); err != nil {
+		panic(fmt.Sprintf("invalid authority address: %s", authority))
+	}
+
 	k := &Keeper{
 		cdc,
 		storeKey,
+		authKeeper,
 		authority,
 	}
 

x/feemarket/types/expected_keepers.go

@@ -0,0 +1,14 @@
+package types
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
+)
+
+// AccountKeeper defines the expected account keeper (noalias)
+type AccountKeeper interface {
+	GetAccount(ctx sdk.Context, addr sdk.AccAddress) authtypes.AccountI
+
+	GetModuleAddress(name string) sdk.AccAddress
+	GetModuleAccount(ctx sdk.Context, name string) authtypes.ModuleAccountI
+}

x/feemarket/types/keys.go

@@ -5,6 +5,9 @@ const (
 	ModuleName = "feemarket"
 	// StoreKey is the store key string for the feemarket module.
 	StoreKey = ModuleName
+
+	// FeeCollectorName the root string for the fee market fee collector account address.
+	FeeCollectorName = "feemarket-fee-collector"
 )
 
 const (