fixes + test hw edge cases

x/colinearcore/keeper/msg_server_new_auction.go

@@ -152,6 +152,11 @@ func (k *Keeper) ValidateAuctionHardware(ctx sdk.Context, a types.Auction) error
 		return errors.New("GPU list not found")
 	}
 
+	// move these to module params later
+	if len(a.Gpus) == 0 || len(a.Gpus) > 20 {
+		return fmt.Errorf("must order between 1 and 20 GPUs (got %d)", len(a.Gpus))
+	}
+
 	for _, gpu := range a.Gpus {
 		if _, ok := k.GetParams(ctx).GpuModels[gpu]; !ok {
 			return fmt.Errorf("GPU model %s invalid", gpu)
@@ -159,11 +164,11 @@ func (k *Keeper) ValidateAuctionHardware(ctx sdk.Context, a types.Auction) error
 	}
 
 	// move these to module params later
-
 	if a.CpuCores < 1 || a.CpuCores > 12 {
 		return fmt.Errorf("CPU Cores must be between 1 and 12 (got %d)", a.CpuCores)
 	}
 
+	// move these to module params later
 	if a.StorageGb < 25 || a.StorageGb > 2000 {
 		return fmt.Errorf("storage must be between 25GB and 2TB (got %dGB)", a.StorageGb)
 	}