// SPDX-License-Identifier: MIT
pragma solidity 0.8.6;

import '@chainlink/contracts/src/v0.8/interfaces/AggregatorV3Interface.sol';

interface IPrices {
  event AddFeed(uint256 indexed currency, AggregatorV3Interface indexed feed);

  function feedDecimalAdjuster(uint256 _currency) external returns (uint256);

  function targetDecimals() external returns (uint256);

  function feedFor(uint256 _currency) external returns (AggregatorV3Interface);

  function getETHPriceFor(uint256 _currency) external view returns (uint256);

  function addFeed(AggregatorV3Interface _priceFeed, uint256 _currency) external;
}