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Adding aave protection connector mainnet
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Shivva
parent
d7e765e5e8
commit
e04778e43a
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// SPDX-License-Identifier: MIT
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pragma solidity 0.7.6;
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contract Events {
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event LogSubmitProtection(
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address indexed dsa,
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address indexed action,
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uint256 wantedHealthFactor,
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uint256 minimumHealthFactor,
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bool isPermanent
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);
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event LogUpdateProtection(
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address indexed dsa,
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address indexed action,
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uint256 wantedHealthFactor,
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uint256 minimumHealthFactor,
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bool isPermanent
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);
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event LogCancelProtection(address indexed dsa, address indexed action);
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event LogCancelAndRevoke(address indexed dsa, address indexed action);
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}
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// SPDX-License-Identifier: MIT
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pragma solidity 0.7.6;
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pragma abicoder v2;
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import {
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LendingPoolInterface,
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AaveServicesInterface,
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IERC20
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} from "./interface.sol";
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abstract contract Helpers {
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// solhint-disable-next-line const-name-snakecase
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LendingPoolInterface internal constant _lendingPool =
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LendingPoolInterface(0x7d2768dE32b0b80b7a3454c06BdAc94A69DDc7A9);
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// solhint-disable-next-line const-name-snakecase
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AaveServicesInterface internal constant _aaveServices =
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AaveServicesInterface(0xE3d373c78803C1d22cE96bdC43d47542835bBF42);
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// solhint-disable-next-line const-name-snakecase
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address internal constant _protectionAction =
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0xD2579361F3C402938841774ECc1acdd51d3a4345;
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function _submitProtection(
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uint256 _wantedHealthFactor,
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uint256 _minimumHealthFactor,
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bool _isPermanent
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) internal {
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_giveAllowance();
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_aaveServices.submitTask(
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_protectionAction,
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abi.encode(
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_wantedHealthFactor,
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_minimumHealthFactor,
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address(this)
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),
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_isPermanent
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);
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}
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function _updateProtection(
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uint256 _wantedHealthFactor,
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uint256 _minimumHealthFactor,
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bool _isPermanent
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) internal {
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_giveAllowance();
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_aaveServices.updateTask(
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_protectionAction,
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abi.encode(
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_wantedHealthFactor,
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_minimumHealthFactor,
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address(this)
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),
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_isPermanent
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);
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}
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function _cancelProtection() internal {
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_aaveServices.cancelTask(_protectionAction);
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}
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function _giveAllowance() internal {
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address[] memory aTokenList = _getATokenList();
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for (uint256 i = 0; i < aTokenList.length; i++) {
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if (
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!(IERC20(aTokenList[i]).allowance(
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address(this),
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_protectionAction
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) == type(uint256).max)
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) {
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IERC20(aTokenList[i]).approve(
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_protectionAction,
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type(uint256).max
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);
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}
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}
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}
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function _revokeAllowance() internal {
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address[] memory aTokenList = _getATokenList();
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for (uint256 i = 0; i < aTokenList.length; i++) {
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if (
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!(IERC20(aTokenList[i]).allowance(
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address(this),
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_protectionAction
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) == 0)
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) {
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IERC20(aTokenList[i]).approve(_protectionAction, 0);
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}
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}
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}
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function _getATokenList()
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internal
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view
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returns (address[] memory aTokenList)
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{
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address[] memory underlyingsList = _lendingPool.getReservesList();
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aTokenList = new address[](underlyingsList.length);
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for (uint256 i = 0; i < underlyingsList.length; i++) {
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aTokenList[i] = (_lendingPool.getReserveData(underlyingsList[i]))
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.aTokenAddress;
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}
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}
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function _dsaHasProtection() internal view returns (bool) {
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return
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_aaveServices.taskByUsersAction(address(this), _protectionAction) !=
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bytes32(0);
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}
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}
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// SPDX-License-Identifier: MIT
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pragma solidity 0.7.6;
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pragma abicoder v2;
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struct ReserveData {
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//stores the reserve configuration
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ReserveConfigurationMap configuration;
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//the liquidity index. Expressed in ray
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uint128 liquidityIndex;
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//variable borrow index. Expressed in ray
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uint128 variableBorrowIndex;
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//the current supply rate. Expressed in ray
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uint128 currentLiquidityRate;
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//the current variable borrow rate. Expressed in ray
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uint128 currentVariableBorrowRate;
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//the current stable borrow rate. Expressed in ray
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uint128 currentStableBorrowRate;
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uint40 lastUpdateTimestamp;
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//tokens addresses
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address aTokenAddress;
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address stableDebtTokenAddress;
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address variableDebtTokenAddress;
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//address of the interest rate strategy
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address interestRateStrategyAddress;
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//the id of the reserve. Represents the position in the list of the active reserves
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uint8 id;
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}
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struct ReserveConfigurationMap {
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//bit 0-15: LTV
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//bit 16-31: Liq. threshold
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//bit 32-47: Liq. bonus
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//bit 48-55: Decimals
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//bit 56: Reserve is active
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//bit 57: reserve is frozen
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//bit 58: borrowing is enabled
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//bit 59: stable rate borrowing enabled
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//bit 60-63: reserved
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//bit 64-79: reserve factor
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uint256 data;
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}
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interface LendingPoolInterface {
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function getReservesList() external view returns (address[] memory);
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function getReserveData(address asset)
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external
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view
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returns (ReserveData memory);
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}
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interface AaveServicesInterface {
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function submitTask(
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address _action,
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bytes memory _taskData,
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bool _isPermanent
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) external;
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function cancelTask(address _action) external;
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function updateTask(
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address _action,
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bytes memory _data,
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bool _isPermanent
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) external;
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function taskByUsersAction(address _user, address _action)
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external
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view
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returns (bytes32);
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}
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interface IERC20 {
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function approve(address spender, uint256 amount) external returns (bool);
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function allowance(address owner, address spender)
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external
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view
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returns (uint256);
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}
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@ -0,0 +1,80 @@
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// SPDX-License-Identifier: MIT
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pragma solidity 0.7.6;
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pragma abicoder v2;
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/**
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* @title Aave Protection.
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* @dev Protect DSA against Liquidation risk on Aave with Gelato.
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*/
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import {Events} from "./events.sol";
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import {Helpers} from "./helpers.sol";
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abstract contract GAaveProtectionResolver is Events, Helpers {
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/// @dev Function for submitting a protection task
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/// @param _wantedHealthFactor targeted health after protection.
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/// @param _minimumHealthFactor trigger protection when current health
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/// factor is below _minimumHealthFactor.
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/// @param _isPermanent boolean to set a protection as permanent
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function submitProtection(
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uint256 _wantedHealthFactor,
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uint256 _minimumHealthFactor,
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bool _isPermanent
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) external payable {
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_submitProtection(
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_wantedHealthFactor,
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_minimumHealthFactor,
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_isPermanent
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);
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emit LogSubmitProtection(
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address(this),
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_protectionAction,
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_wantedHealthFactor,
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_minimumHealthFactor,
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_isPermanent
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);
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}
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/// @dev Function for modifying a protection task
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/// @param _wantedHealthFactor targeted health after protection.
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/// @param _minimumHealthFactor trigger protection when current health
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/// factor is below _minimumHealthFactor.
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/// @param _isPermanent boolean to set a protection as permanent
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function updateProtection(
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uint256 _wantedHealthFactor,
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uint256 _minimumHealthFactor,
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bool _isPermanent
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) external payable {
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_updateProtection(
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_wantedHealthFactor,
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_minimumHealthFactor,
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_isPermanent
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);
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emit LogUpdateProtection(
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address(this),
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_protectionAction,
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_wantedHealthFactor,
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_minimumHealthFactor,
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_isPermanent
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);
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}
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/// @dev Function for cancelling a protection task
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function cancelProtection() external payable {
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_cancelProtection();
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emit LogCancelProtection(address(this), _protectionAction);
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}
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/// @dev Function for cancelling and removing allowance
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/// of aToken to _protectionAction
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function cancelAndRevoke() external payable {
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if (_dsaHasProtection()) _cancelProtection();
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_revokeAllowance();
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emit LogCancelAndRevoke(address(this), _protectionAction);
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}
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}
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contract GAaveProtectionMainnetConnector is GAaveProtectionResolver {
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// solhint-disable-next-line const-name-snakecase
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string public constant name = "GAaveProtectionMainnetConnector-v1";
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}
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@ -24,7 +24,8 @@
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"WETH-A": "0x22075fa719eFb02Ca3cF298AFa9C974B7465E5D3",
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"REFINANCE-A": "0x6f22931423e8ffC8d51f6E5aF73118fC64b27856",
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"INST-A": "0x52C2C4a0db049255fF345EB9D3Fb1f555b7a924A",
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"REFLEXER-A": "0xaC6dc28a6251F49Bbe5755E630107Dccde9ae2C8"
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"REFLEXER-A": "0xaC6dc28a6251F49Bbe5755E630107Dccde9ae2C8",
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"AAVE-PROT-A": "0x825832a5A589ed9500CaEE2aa2D2c3117218D6A9"
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},
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"137" : {
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"1INCH-A": "0xC0d9210496afE9763F5d8cEb8deFfBa817232A9e",
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