func (k Keeper) ConvertToDenom(ctx sdk.Context, coin sdk.DecCoin, denom string) (sdk.DecCoin, error) {
	if coin.Denom == denom {
		return coin, nil
	}

	multiplier, err := k.DenomMultipliers.Get(ctx, denom)
	if err != nil {
		return sdk.DecCoin{}, err
	}
	amount := coin.Amount.Mul(multiplier.Dec)

	return sdk.NewDecCoinFromDec(denom, amount), nil
}
	// DenomMultipliers is a map of denomination and their multipliers against the default base fee denomination.
		DenomMultipliers collections.Map[string, sdk.DecProto]
multiplier, err := k.DenomMultipliers.Get(ctx, denom)
if coin.Denom == denom {
		return coin, nil
	}
multiplier, err := k.DenomMultipliers.Get(ctx, coin.Denom)
