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Merge pull request #17 from InstaDApp/aave-v2-swap-rate

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Add swap borrow rate method (Aave v2)
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Thrilok kumar 2021-03-29 21:37:18 +05:30 committed by GitHub
commit 8bc1370ef1
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3 changed files with 25 additions and 1 deletions
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1
contracts/connectors/aave/v2/events.sol
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@ -6,4 +6,5 @@ contract Events {
event LogBorrow(address indexed token, uint256 tokenAmt, uint256 indexed rateMode, uint256 getId, uint256 setId); event LogBorrow(address indexed token, uint256 tokenAmt, uint256 indexed rateMode, uint256 getId, uint256 setId);
event LogPayback(address indexed token, uint256 tokenAmt, uint256 indexed rateMode, uint256 getId, uint256 setId); event LogPayback(address indexed token, uint256 tokenAmt, uint256 indexed rateMode, uint256 getId, uint256 setId);
event LogEnableCollateral(address[] tokens); event LogEnableCollateral(address[] tokens);
event LogSwapRateMode(address indexed token, uint256 rateMode);
} }

1
contracts/connectors/aave/v2/interface.sol
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@ -12,6 +12,7 @@ interface AaveInterface {
) external; ) external;
function repay(address _asset, uint256 _amount, uint256 _rateMode, address _onBehalfOf) external; function repay(address _asset, uint256 _amount, uint256 _rateMode, address _onBehalfOf) external;
function setUserUseReserveAsCollateral(address _asset, bool _useAsCollateral) external; function setUserUseReserveAsCollateral(address _asset, bool _useAsCollateral) external;
function swapBorrowRateMode(address _asset, uint256 _rateMode) external;
} }
interface AaveLendingPoolProviderInterface { interface AaveLendingPoolProviderInterface {

24
contracts/connectors/aave/v2/main.sol
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@ -173,9 +173,31 @@ abstract contract AaveResolver is Events, Helpers {
} }
} }
_eventName = "LogEnableCollateral(address[]);"; _eventName = "LogEnableCollateral(address[])";
_eventParam = abi.encode(tokens); _eventParam = abi.encode(tokens);
} }
/**
* @dev Swap borrow rate mode
* @notice Swaps user borrow rate mode between variable and stable
* @param token The address of the token to swap borrow rate.(For ETH: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
* @param rateMode Desired borrow rate mode. (Stable = 1, Variable = 2)
*/
function swapBorrowRateMode(
address token,
uint rateMode
) external payable returns (string memory _eventName, bytes memory _eventParam) {
AaveInterface aave = AaveInterface(aaveProvider.getLendingPool());
uint currentRateMode = rateMode == 1 ? 2 : 1;
if (getPaybackBalance(token, currentRateMode) > 0) {
aave.swapBorrowRateMode(token, rateMode);
}
_eventName = "LogSwapRateMode(address,uint256)";
_eventParam = abi.encode(token, rateMode);
}
} }
contract ConnectV2AaveV2 is AaveResolver { contract ConnectV2AaveV2 is AaveResolver {