refactor: migrate erc20 module's bridge and ibc token to crosschain m…

…odule (#768)

Co-authored-by: nulnut <151493716+nulnut@users.noreply.github.com>

app/upgrades/v8/upgrade.go

@@ -21,6 +21,7 @@ import (
 	"github.com/functionx/fx-core/v8/app/upgrades/store"
 	fxtypes "github.com/functionx/fx-core/v8/types"
 	crosschaintypes "github.com/functionx/fx-core/v8/x/crosschain/types"
+	erc20keeper "github.com/functionx/fx-core/v8/x/erc20/keeper"
 	erc20v8 "github.com/functionx/fx-core/v8/x/erc20/migrations/v8"
 	erc20types "github.com/functionx/fx-core/v8/x/erc20/types"
 	"github.com/functionx/fx-core/v8/x/gov/keeper"
@@ -52,6 +53,10 @@ func CreateUpgradeHandler(mm *module.Manager, configurator module.Configurator,
 			return fromVM, err
 		}
 
+		if err = migrateERC20TokenToCrosschain(cacheCtx, app.BankKeeper, app.Erc20Keeper); err != nil {
+			return fromVM, err
+		}
+
 		updateMetadata(cacheCtx, app.BankKeeper)
 
 		store.RemoveStoreKeys(cacheCtx, app.GetKey(erc20types.StoreKey), erc20v8.GetRemovedStoreKeys())
@@ -152,6 +157,23 @@ func migrateAccountBalance(ctx sdk.Context, bankKeeper bankkeeper.Keeper, accoun
 	return nil
 }
 
+func migrateERC20TokenToCrosschain(ctx sdk.Context, bankKeeper bankkeeper.Keeper, erc20Keeper erc20keeper.Keeper) error {
+	balances := bankKeeper.GetAllBalances(ctx, types.NewModuleAddress(erc20types.ModuleName))
+	migrateCoins := sdk.NewCoins()
+	for _, bal := range balances {
+		has, err := erc20Keeper.HasToken(ctx, bal.Denom)
+		if err != nil {
+			return err
+		}
+		if !has {
+			continue
+		}
+		migrateCoins = migrateCoins.Add(bal)
+	}
+	ctx.Logger().Info("migrate erc20 bridge/ibc token to crosschain", "coins", migrateCoins.String())
+	return bankKeeper.SendCoinsFromModuleToModule(ctx, erc20types.ModuleName, crosschaintypes.ModuleName, migrateCoins)
+}
+
 func updateMetadata(ctx sdk.Context, bankKeeper bankkeeper.Keeper) {
 	mds := bankKeeper.GetAllDenomMetaData(ctx)
 	for _, md := range mds {