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Merge pull request #67 from gelatodigital/feat/gelato-aave-protection
Aave protection connector
This commit is contained in:
Thrilok kumar
GitHub
commit
28478f1dd9
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@ -0,0 +1,21 @@
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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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@ -0,0 +1,113 @@
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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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// 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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@ -0,0 +1,113 @@
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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(0x8dFf5E27EA6b7AC08EbFdf9eB090F32ee9a30fcf);
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// solhint-disable-next-line const-name-snakecase
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AaveServicesInterface internal constant _aaveServices =
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AaveServicesInterface(0x18FAbC997fDd624764E1974b283B1b904b66d613);
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// solhint-disable-next-line const-name-snakecase
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address internal constant _protectionAction =
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0xc38b6dbd0F84777AA4fae2d36FE1506428A22b9B;
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function _cancelProtection() internal {
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_aaveServices.cancelTask(_protectionAction);
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}
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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 _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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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
|
||||
) == 0)
|
||||
) {
|
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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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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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|
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function _dsaHasProtection() internal view returns (bool) {
|
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return
|
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_aaveServices.taskByUsersAction(address(this), _protectionAction) !=
|
||||
bytes32(0);
|
||||
}
|
||||
}
|
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|
|
@ -0,0 +1,80 @@
|
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// SPDX-License-Identifier: MIT
|
||||
pragma solidity 0.7.6;
|
||||
pragma abicoder v2;
|
||||
|
||||
struct ReserveData {
|
||||
//stores the reserve configuration
|
||||
ReserveConfigurationMap configuration;
|
||||
//the liquidity index. Expressed in ray
|
||||
uint128 liquidityIndex;
|
||||
//variable borrow index. Expressed in ray
|
||||
uint128 variableBorrowIndex;
|
||||
//the current supply rate. Expressed in ray
|
||||
uint128 currentLiquidityRate;
|
||||
//the current variable borrow rate. Expressed in ray
|
||||
uint128 currentVariableBorrowRate;
|
||||
//the current stable borrow rate. Expressed in ray
|
||||
uint128 currentStableBorrowRate;
|
||||
uint40 lastUpdateTimestamp;
|
||||
//tokens addresses
|
||||
address aTokenAddress;
|
||||
address stableDebtTokenAddress;
|
||||
address variableDebtTokenAddress;
|
||||
//address of the interest rate strategy
|
||||
address interestRateStrategyAddress;
|
||||
//the id of the reserve. Represents the position in the list of the active reserves
|
||||
uint8 id;
|
||||
}
|
||||
|
||||
struct ReserveConfigurationMap {
|
||||
//bit 0-15: LTV
|
||||
//bit 16-31: Liq. threshold
|
||||
//bit 32-47: Liq. bonus
|
||||
//bit 48-55: Decimals
|
||||
//bit 56: Reserve is active
|
||||
//bit 57: reserve is frozen
|
||||
//bit 58: borrowing is enabled
|
||||
//bit 59: stable rate borrowing enabled
|
||||
//bit 60-63: reserved
|
||||
//bit 64-79: reserve factor
|
||||
uint256 data;
|
||||
}
|
||||
|
||||
interface LendingPoolInterface {
|
||||
function getReservesList() external view returns (address[] memory);
|
||||
|
||||
function getReserveData(address asset)
|
||||
external
|
||||
view
|
||||
returns (ReserveData memory);
|
||||
}
|
||||
|
||||
interface AaveServicesInterface {
|
||||
function submitTask(
|
||||
address _action,
|
||||
bytes memory _taskData,
|
||||
bool _isPermanent
|
||||
) external;
|
||||
|
||||
function cancelTask(address _action) external;
|
||||
|
||||
function updateTask(
|
||||
address _action,
|
||||
bytes memory _data,
|
||||
bool _isPermanent
|
||||
) external;
|
||||
|
||||
function taskByUsersAction(address _user, address _action)
|
||||
external
|
||||
view
|
||||
returns (bytes32);
|
||||
}
|
||||
|
||||
interface IERC20 {
|
||||
function approve(address spender, uint256 amount) external returns (bool);
|
||||
|
||||
function allowance(address owner, address spender)
|
||||
external
|
||||
view
|
||||
returns (uint256);
|
||||
}
|
||||
|
|
@ -0,0 +1,79 @@
|
|||
// SPDX-License-Identifier: MIT
|
||||
pragma solidity 0.7.6;
|
||||
|
||||
/**
|
||||
* @title Aave Protection.
|
||||
* @dev Protect DSA against Liquidation risk on Aave with Gelato.
|
||||
*/
|
||||
|
||||
import {Events} from "./events.sol";
|
||||
import {Helpers} from "./helpers.sol";
|
||||
|
||||
abstract contract GAaveProtectionResolver is Events, Helpers {
|
||||
/// @dev Function for submitting a protection task
|
||||
/// @param _wantedHealthFactor targeted health after protection.
|
||||
/// @param _minimumHealthFactor trigger protection when current health
|
||||
/// factor is below _minimumHealthFactor.
|
||||
/// @param _isPermanent boolean to set a protection as permanent
|
||||
function submitProtection(
|
||||
uint256 _wantedHealthFactor,
|
||||
uint256 _minimumHealthFactor,
|
||||
bool _isPermanent
|
||||
) external payable {
|
||||
_submitProtection(
|
||||
_wantedHealthFactor,
|
||||
_minimumHealthFactor,
|
||||
_isPermanent
|
||||
);
|
||||
emit LogSubmitProtection(
|
||||
address(this),
|
||||
_protectionAction,
|
||||
_wantedHealthFactor,
|
||||
_minimumHealthFactor,
|
||||
_isPermanent
|
||||
);
|
||||
}
|
||||
|
||||
/// @dev Function for modifying a protection task
|
||||
/// @param _wantedHealthFactor targeted health after protection.
|
||||
/// @param _minimumHealthFactor trigger protection when current health
|
||||
/// factor is below _minimumHealthFactor.
|
||||
/// @param _isPermanent boolean to set a protection as permanent
|
||||
function updateProtection(
|
||||
uint256 _wantedHealthFactor,
|
||||
uint256 _minimumHealthFactor,
|
||||
bool _isPermanent
|
||||
) external payable {
|
||||
_updateProtection(
|
||||
_wantedHealthFactor,
|
||||
_minimumHealthFactor,
|
||||
_isPermanent
|
||||
);
|
||||
emit LogUpdateProtection(
|
||||
address(this),
|
||||
_protectionAction,
|
||||
_wantedHealthFactor,
|
||||
_minimumHealthFactor,
|
||||
_isPermanent
|
||||
);
|
||||
}
|
||||
|
||||
/// @dev Function for cancelling a protection task
|
||||
function cancelProtection() external payable {
|
||||
_cancelProtection();
|
||||
emit LogCancelProtection(address(this), _protectionAction);
|
||||
}
|
||||
|
||||
/// @dev Function for cancelling and removing allowance
|
||||
/// of aToken to _protectionAction
|
||||
function cancelAndRevoke() external payable {
|
||||
if (_dsaHasProtection()) _cancelProtection();
|
||||
_revokeAllowance();
|
||||
emit LogCancelAndRevoke(address(this), _protectionAction);
|
||||
}
|
||||
}
|
||||
|
||||
contract GAaveProtectionPolygonConnector is GAaveProtectionResolver {
|
||||
// solhint-disable-next-line const-name-snakecase
|
||||
string public constant name = "GelatoAaveProtectionPolygonConnector-v1";
|
||||
}
|
||||
|
|
@ -25,6 +25,7 @@
|
|||
"REFINANCE-A": "0x6f22931423e8ffC8d51f6E5aF73118fC64b27856",
|
||||
"INST-A": "0x52C2C4a0db049255fF345EB9D3Fb1f555b7a924A",
|
||||
"REFLEXER-A": "0xaC6dc28a6251F49Bbe5755E630107Dccde9ae2C8",
|
||||
"GELATO-AAVE-A: "0x825832a5A589ed9500CaEE2aa2D2c3117218D6A9"
|
||||
"LIQUITY-A": "0x3643bA40B8e2bd8F77233BDB6abe38c218f31bFe",
|
||||
"UNISWAP-V3-A": "0x25B0c76dE86C3457b9B8b9ee3775F5a7b8D4c475",
|
||||
"B-COMPOUND-A": "0xa3EeFDc2de9DFA59968bEcff3E15b53E6162460f",
|
||||
|
|
@ -37,6 +38,8 @@
|
|||
"AUTHORITY-A": "0xf73C94402BC24148b744083eD02654EEc2C37D5B",
|
||||
"BASIC-A": "0x1cAF5EC802ca602E98139AD96A8f2B7BC524264E",
|
||||
"AAVE-CLAIM-A": "0xC7Cb1dE2721BFC0E0DA1b9D526bCdC54eF1C0eFC",
|
||||
"PARASWAP-A": "0xFb3a1D56eD56F046721B9aCa749895100754578b",
|
||||
"GELATO-AAAVE-A": "0x177Bd89A1D8643C9525D2DF131C1a6C513869299"
|
||||
"PARASWAP-A": "0xFb3a1D56eD56F046721B9aCa749895100754578b"
|
||||
},
|
||||
"arbitrum" : {
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user