Add migration handler for new DEX params

x/dex/keeper/keeper.go

@@ -20,7 +20,7 @@ type (
 		Cdc                 codec.BinaryCodec
 		storeKey            sdk.StoreKey
 		memKey              sdk.StoreKey
-		paramstore          paramtypes.Subspace
+		Paramstore          paramtypes.Subspace
 		Orders              map[string]map[string]*dexcache.Orders
 		EpochKeeper         epochkeeper.Keeper
 		OrderPlacements     map[string]map[string]*dexcache.OrderPlacements
@@ -46,7 +46,7 @@ func NewPlainKeeper(
 		Cdc:                 cdc,
 		storeKey:            storeKey,
 		memKey:              memKey,
-		paramstore:          ps,
+		Paramstore:          ps,
 		Orders:              map[string]map[string]*dexcache.Orders{},
 		OrderPlacements:     map[string]map[string]*dexcache.OrderPlacements{},
 		DepositInfo:         map[string]*dexcache.DepositInfo{},
@@ -72,7 +72,7 @@ func NewKeeper(
 		Cdc:                 cdc,
 		storeKey:            storeKey,
 		memKey:              memKey,
-		paramstore:          ps,
+		Paramstore:          ps,
 		Orders:              map[string]map[string]*dexcache.Orders{},
 		EpochKeeper:         epochKeeper,
 		OrderPlacements:     map[string]map[string]*dexcache.OrderPlacements{},

x/dex/keeper/params.go

@@ -8,11 +8,11 @@ import (
 // GetParams get all parameters as types.Params
 func (k Keeper) GetParams(ctx sdk.Context) types.Params {
 	params := types.Params{}
-	k.paramstore.GetParamSet(ctx, &params)
+	k.Paramstore.GetParamSet(ctx, &params)
 	return params
 }
 
 // SetParams set the params
 func (k Keeper) SetParams(ctx sdk.Context, params types.Params) {
-	k.paramstore.SetParamSet(ctx, &params)
+	k.Paramstore.SetParamSet(ctx, &params)
 }

x/dex/migrations/v3_to_v4.go

@@ -0,0 +1,20 @@
+package migrations
+
+import (
+	"github.com/cosmos/cosmos-sdk/codec"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
+	"github.com/sei-protocol/sei-chain/x/dex/types"
+)
+
+func PriceSnapshotUpdate(ctx sdk.Context, storeKey sdk.StoreKey, cdc codec.BinaryCodec, paramStore paramtypes.Subspace) error {
+	return nil
+}
+
+func migratePriceSnapshotParam(ctx sdk.Context, paramStore paramtypes.Subspace) error {
+	defaultParams := types.Params{
+		PriceSnapshotRetention: types.DefaultPriceSnapshotRetention,
+	}
+	paramStore.SetParamSet(ctx, &defaultParams)
+	return nil
+}

x/dex/module.go

@@ -158,6 +158,9 @@ func (am AppModule) RegisterServices(cfg module.Configurator) {
 	cfg.RegisterMigration(types.ModuleName, 2, func(ctx sdk.Context) error {
 		return migrations.DataTypeUpdate(ctx, am.keeper.GetStoreKey(), am.keeper.Cdc)
 	})
+	cfg.RegisterMigration(types.ModuleName, 3, func(ctx sdk.Context) error {
+		return migrations.PriceSnapshotUpdate(ctx, am.keeper.GetStoreKey(), am.keeper.Cdc, am.keeper.Paramstore)
+	})
 }
 
 // RegisterInvariants registers the capability module's invariants.
@@ -182,7 +185,7 @@ func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.Raw
 }
 
 // ConsensusVersion implements ConsensusVersion.
-func (AppModule) ConsensusVersion() uint64 { return 3 }
+func (AppModule) ConsensusVersion() uint64 { return 4 }
 
 func (am AppModule) getAllContractAddresses(ctx sdk.Context) []string {
 	return am.keeper.GetAllContractAddresses(ctx)