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Merge pull request #3 from tetu-io/wombex_strategy
Wombex strategy
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| // SPDX-License-Identifier: ISC | ||
| /** | ||
| * By using this software, you understand, acknowledge and accept that Tetu | ||
| * and/or the underlying software are provided “as is” and “as available” | ||
| * basis and without warranties or representations of any kind either expressed | ||
| * or implied. Any use of this open source software released under the ISC | ||
| * Internet Systems Consortium license is done at your own risk to the fullest | ||
| * extent permissible pursuant to applicable law any and all liability as well | ||
| * as all warranties, including any fitness for a particular purpose with respect | ||
| * to Tetu and/or the underlying software and the use thereof are disclaimed. | ||
| */ | ||
| pragma solidity 0.8.4; | ||
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| import "../../strategies/radiant/Radiant2StrategyBase.sol"; | ||
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| contract Radiant2SupplyStrategy is Radiant2StrategyBase { | ||
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| function initialize( | ||
| address controller_, | ||
| address underlying_, | ||
| address vault_, | ||
| uint buybackRatio_ | ||
| ) external initializer { | ||
| require(ISmartVault(vault_).underlying() == underlying_, "!underlying"); | ||
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| Radiant2StrategyBase.initializeStrategy( | ||
| controller_, | ||
| underlying_, | ||
| vault_, | ||
| buybackRatio_ | ||
| ); | ||
| } | ||
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| } |
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| // SPDX-License-Identifier: ISC | ||
| /** | ||
| * By using this software, you understand, acknowledge and accept that Tetu | ||
| * and/or the underlying software are provided “as is” and “as available” | ||
| * basis and without warranties or representations of any kind either expressed | ||
| * or implied. Any use of this open source software released under the ISC | ||
| * Internet Systems Consortium license is done at your own risk to the fullest | ||
| * extent permissible pursuant to applicable law any and all liability as well | ||
| * as all warranties, including any fitness for a particular purpose with respect | ||
| * to Tetu and/or the underlying software and the use thereof are disclaimed. | ||
| */ | ||
| pragma solidity 0.8.4; | ||
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| import "../../strategies/wombex/WombexStrategyBase.sol"; | ||
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| contract WombexSupplyStrategy is WombexStrategyBase { | ||
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| function initialize( | ||
| address controller_, | ||
| address underlying_, | ||
| address lpToken_, | ||
| address wmxLP_, | ||
| address vault_, | ||
| uint buybackRatio_ | ||
| ) external initializer { | ||
| require(ISmartVault(vault_).underlying() == underlying_, "!underlying"); | ||
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| WombexStrategyBase.initializeStrategy( | ||
| controller_, | ||
| underlying_, | ||
| lpToken_, | ||
| wmxLP_, | ||
| vault_, | ||
| buybackRatio_ | ||
| ); | ||
| } | ||
| } |
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| // SPDX-License-Identifier: ISC | ||
| /** | ||
| * By using this software, you understand, acknowledge and accept that Tetu | ||
| * and/or the underlying software are provided “as is” and “as available” | ||
| * basis and without warranties or representations of any kind either expressed | ||
| * or implied. Any use of this open source software released under the ISC | ||
| * Internet Systems Consortium license is done at your own risk to the fullest | ||
| * extent permissible pursuant to applicable law any and all liability as well | ||
| * as all warranties, including any fitness for a particular purpose with respect | ||
| * to Tetu and/or the underlying software and the use thereof are disclaimed. | ||
| */ | ||
| pragma solidity 0.8.4; | ||
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| import "../UniversalLendStrategy.sol"; | ||
| import "../../third_party/aave/IAToken.sol"; | ||
| import "../../third_party/aave/ILendingPool.sol"; | ||
| import "../../third_party/aave/IAaveIncentivesController.sol"; | ||
| import "../../third_party/aave/IProtocolDataProvider.sol"; | ||
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| /// @title Contract for RadiantV2 simple supply strategy simplified | ||
| /// @author belbix, Aleh | ||
| abstract contract Radiant2StrategyBase is UniversalLendStrategy { | ||
| using SafeERC20 for IERC20; | ||
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| /// ****************************************************** | ||
| /// Constants and variables | ||
| /// ****************************************************** | ||
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| /// @notice Version of the contract | ||
| /// @dev Should be incremented when contract changed | ||
| string public constant VERSION = "1.0.1"; | ||
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| IStrategy.Platform public constant override platform = IStrategy.Platform.SLOT_48; //todo change | ||
| /// @notice Strategy type for statistical purposes | ||
| string public constant override STRATEGY_NAME = "Radiant2StrategyBase"; | ||
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| ILendingPool public constant AAVE_LENDING_POOL = ILendingPool(0xd50Cf00b6e600Dd036Ba8eF475677d816d6c4281); | ||
| IProtocolDataProvider public constant AAVE_DATA_PROVIDER = IProtocolDataProvider(0x2f9D57E97C3DFED8676e605BC504a48E0c5917E9); | ||
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| /// ****************************************************** | ||
| /// Initialization | ||
| /// ****************************************************** | ||
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| /// @notice Initialize contract after setup it as proxy implementation | ||
| function initializeStrategy( | ||
| address controller_, | ||
| address underlying_, | ||
| address vault_, | ||
| uint buybackRatio_ | ||
| ) public initializer { | ||
| UniversalLendStrategy.initializeLendStrategy( | ||
| controller_, | ||
| underlying_, | ||
| vault_, | ||
| buybackRatio_, | ||
| new address[](0) | ||
| ); | ||
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| address aToken; | ||
| (aToken,,) = AAVE_DATA_PROVIDER.getReserveTokensAddresses(underlying_); | ||
| require(IAToken(aToken).UNDERLYING_ASSET_ADDRESS() == _underlying(), "Wrong underlying"); | ||
| } | ||
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| /// ****************************************************** | ||
| /// Views | ||
| /// ****************************************************** | ||
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| /// @notice Invested assets in the pool | ||
| function _rewardPoolBalance() internal override view returns (uint) { | ||
| return localBalance; | ||
| } | ||
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| /// @notice Return approximately amount of reward tokens ready to claim | ||
| function readyToClaim() external pure override returns (uint[] memory) { | ||
| uint[] memory rewards = new uint256[](1); | ||
| return rewards; | ||
| } | ||
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| /// @notice TVL of the underlying in the pool | ||
| function poolTotalAmount() external view override returns (uint256) { | ||
| address aToken; | ||
| (aToken,,) = AAVE_DATA_PROVIDER.getReserveTokensAddresses(_underlying()); | ||
| return IERC20(_underlying()).balanceOf(aToken); | ||
| } | ||
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| /// ****************************************************** | ||
| /// Internal logic implementation | ||
| /// ****************************************************** | ||
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| /// @dev Refresh rates and return actual deposited balance in underlying tokens | ||
| function _getActualPoolBalance() internal view override returns (uint) { | ||
| (uint suppliedUnderlying,,,,,,,,) = AAVE_DATA_PROVIDER.getUserReserveData(_underlying(), address(this)); | ||
| return suppliedUnderlying; | ||
| } | ||
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| /// @dev Deposit to pool and increase local balance | ||
| function _simpleDepositToPool(uint amount) internal override { | ||
| address u = _underlying(); | ||
| _approveIfNeeds(u, amount, address(AAVE_LENDING_POOL)); | ||
| AAVE_LENDING_POOL.deposit(u, amount, address(this), 0); | ||
| } | ||
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| /// @dev Perform only withdraw action, without changing local balance | ||
| function _withdrawFromPoolWithoutChangeLocalBalance(uint amount, uint poolBalance) internal override returns (bool withdrewAll, uint withdrawnAmount) { | ||
| address u = _underlying(); | ||
| uint underlyingBalanceBefore = IERC20(u).balanceOf(address(this)); | ||
| if (amount < poolBalance) { | ||
| withdrewAll = false; | ||
| AAVE_LENDING_POOL.withdraw(u, amount, address(this)); | ||
| } else { | ||
| withdrewAll = true; | ||
| AAVE_LENDING_POOL.withdraw(u, type(uint).max, address(this)); | ||
| } | ||
| uint underlyingBalanceAfter = IERC20(u).balanceOf(address(this)); | ||
| withdrawnAmount = underlyingBalanceAfter - underlyingBalanceBefore; | ||
| } | ||
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| /// @dev Withdraw all and set localBalance to zero | ||
| function _withdrawAllFromPool() internal override { | ||
| AAVE_LENDING_POOL.withdraw(_underlying(), type(uint).max, address(this)); | ||
| } | ||
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| /// @dev Claim distribution rewards | ||
| function _claimReward() internal override { | ||
| // no rewards for the simple supply | ||
| } | ||
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| //slither-disable-next-line unused-state | ||
| uint256[49] private ______gap; | ||
| } |
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