dsa-connectors/contracts/avalanche/connectors/aave/v2/helpers.sol
2021-10-05 01:11:53 +05:30

50 lines
1.9 KiB
Solidity

pragma solidity ^0.7.0;
import { DSMath } from "../../../common/math.sol";
import { Basic } from "../../../common/basic.sol";
import { AaveLendingPoolProviderInterface, AaveDataProviderInterface } from "./interface.sol";
abstract contract Helpers is DSMath, Basic {
/**
* @dev Aave Lending Pool Provider
*/
AaveLendingPoolProviderInterface constant internal aaveProvider = AaveLendingPoolProviderInterface(0xb6A86025F0FE1862B372cb0ca18CE3EDe02A318f);
/**
* @dev Aave Protocol Data Provider
*/
AaveDataProviderInterface constant internal aaveData = AaveDataProviderInterface(0x65285E9dfab318f57051ab2b139ccCf232945451);
/**
* @dev Aave Referral Code
*/
uint16 constant internal referralCode = 3228;
/**
* @dev Checks if collateral is enabled for an asset
* @param token token address of the asset.(For AVAX: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
*/
function getIsColl(address token) internal view returns (bool isCol) {
(, , , , , , , , isCol) = aaveData.getUserReserveData(token, address(this));
}
/**
* @dev Get total debt balance & fee for an asset
* @param token token address of the debt.(For AVAX: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
* @param rateMode Borrow rate mode (Stable = 1, Variable = 2)
*/
function getPaybackBalance(address token, uint rateMode) internal view returns (uint) {
(, uint stableDebt, uint variableDebt, , , , , , ) = aaveData.getUserReserveData(token, address(this));
return rateMode == 1 ? stableDebt : variableDebt;
}
/**
* @dev Get total collateral balance for an asset
* @param token token address of the collateral.(For AVAX: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
*/
function getCollateralBalance(address token) internal view returns (uint bal) {
(bal, , , , , , , ,) = aaveData.getUserReserveData(token, address(this));
}
}