chore: fix to prevent generating swap more than MaxSwaps

Finschia · May 3, 2024 · 54cce5a · 54cce5a
1 parent d15f3e5
commit 54cce5a
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/x/fswap/keeper/proposal.go b/x/fswap/keeper/proposal.go
@@ -9,6 +9,13 @@ import (
 )
 
 func (k Keeper) MakeSwap(ctx sdk.Context, swap types.Swap, toDenomMetadata bank.Metadata) error {
+	stats, err := k.getSwapStats(ctx)
+	if err != nil {
+		return err
+	}
+	if int(stats.SwapCount) >= k.config.MaxSwaps && !k.isUnlimited() {
+		return types.ErrCanNotHaveMoreSwap.Wrapf("cannot initialize genesis state, there are more than %d swaps", k.config.MaxSwaps)
+	}
 	isNewSwap := true
 	if _, err := k.getSwap(ctx, swap.FromDenom, swap.ToDenom); err == nil {
 		isNewSwap = false