Magento 1 customization for the checkout to work with multi currency

the problem: in our country we have a lot of inflation so the prices of the products change permanently. In general, almost all the price lists of our suppliers are in Dollars, but our natural currency is in pesos so in the front the purchase process must be in Pesos. solution that I found: I need to make a small module or personalization so that the default base currency conversion price is applied in the customized price of a store view (called argentine pesos) we have this module for this, https: //[login to view URL] but it does not cover all our needs [login to view URL] [login to view URL] the idea is that the price of sight in the currency conversion is applied to the price of the store view .