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silo strategy initial implementation
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| Original file line number | Diff line number | Diff line change |
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| // SPDX-License-Identifier: MIT | ||
| pragma solidity ^0.8.23; | ||
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| import "./base/ERC4626StrategyBase.sol"; | ||
| import "./libs/StrategyIdLib.sol"; | ||
| import "../integrations/silo/ISiloIncentivesController.sol"; | ||
| import "../integrations/silo/ISilo.sol"; | ||
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| /// @title Earns APR by lending assets on Silo V2 | ||
| /// @author 0xhokugava (https://github.com/0xhokugava) | ||
| contract SiloStrategy is ERC4626StrategyBase { | ||
| using SafeERC20 for IERC20; | ||
| /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ | ||
| /* CONSTANTS */ | ||
| /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ | ||
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| /// @inheritdoc IControllable | ||
| string public constant VERSION = "1.0.0"; | ||
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| /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ | ||
| /* INITIALIZATION */ | ||
| /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ | ||
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| /// @inheritdoc IStrategy | ||
| function initialize(address[] memory addresses, uint[] memory nums, int24[] memory ticks) public initializer { | ||
| if (addresses.length != 3 || nums.length != 0 || ticks.length != 0) { | ||
| revert IControllable.IncorrectInitParams(); | ||
| } | ||
| __ERC4626StrategyBase_init(StrategyIdLib.SILO, addresses[0], addresses[1], addresses[2]); | ||
| } | ||
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| /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ | ||
| /* VIEW FUNCTIONS */ | ||
| /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ | ||
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| /// @inheritdoc IStrategy | ||
| function strategyLogicId() public pure override returns (string memory) { | ||
| return StrategyIdLib.SILO; | ||
| } | ||
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| /// @inheritdoc IStrategy | ||
| function extra() external pure returns (bytes32) { | ||
| return CommonLib.bytesToBytes32(abi.encodePacked(bytes3(0x00d395), bytes3(0x000000))); | ||
| } | ||
|
Check warning Code scanning / Slither Too many digits Warning
SiloStrategy.extra() uses literals with too many digits:
- CommonLib.bytesToBytes32(abi.encodePacked(bytes3(0x00d395),bytes3(0x000000))) |
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| /// @inheritdoc IStrategy | ||
| function description() external view returns (string memory) { | ||
| StrategyBaseStorage storage $base = _getStrategyBaseStorage(); | ||
| return _genDesc($base._underlying); | ||
| } | ||
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| /// @inheritdoc IStrategy | ||
| function getSpecificName() external pure override returns (string memory, bool) { | ||
| return ("", false); | ||
| } | ||
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| /// @inheritdoc IStrategy | ||
| function supportedVaultTypes() external pure override returns (string[] memory types) { | ||
| types = new string[](1); | ||
| types[0] = VaultTypeLib.COMPOUNDING; | ||
| } | ||
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| /// @inheritdoc IStrategy | ||
| function initVariants(address platform_) | ||
| public | ||
| view | ||
| returns (string[] memory variants, address[] memory addresses, uint[] memory nums, int24[] memory ticks) | ||
| {} | ||
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| /// @inheritdoc IStrategy | ||
| function isHardWorkOnDepositAllowed() external pure returns (bool) { | ||
| return true; | ||
| } | ||
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| /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ | ||
| /* STRATEGY BASE */ | ||
| /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ | ||
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| /// @inheritdoc ERC4626StrategyBase | ||
| //slither-disable-next-line unused-return | ||
| function _depositAssets(uint[] memory amounts, bool) internal override returns (uint value) { | ||
| StrategyBaseStorage storage $base = _getStrategyBaseStorage(); | ||
| address u = $base._underlying; | ||
| ERC4626StrategyBaseStorage storage $ = _getERC4626StrategyBaseStorage(); | ||
| if ($.lastSharePrice == 0) { | ||
| $.lastSharePrice = _getSharePrice(u); | ||
| } | ||
| ISilo siloVault = ISilo(u); | ||
| value = siloVault.deposit(amounts[0], address(this), ISilo.CollateralType.Collateral); | ||
| } | ||
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| /// @inheritdoc ERC4626StrategyBase | ||
| //slither-disable-next-line unused-return | ||
| function _withdrawAssets( | ||
| address[] memory, | ||
| uint value, | ||
| address receiver | ||
| ) internal virtual override returns (uint[] memory amountsOut) { | ||
| amountsOut = new uint[](1); | ||
| StrategyBaseStorage storage $base = _getStrategyBaseStorage(); | ||
| amountsOut[0] = ISilo($base._underlying).withdraw(value, receiver, address(this), ISilo.CollateralType.Collateral); | ||
| } | ||
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| /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ | ||
| /* INTERNAL LOGIC */ | ||
| /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ | ||
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| function _genDesc(address silo) internal view returns (string memory) { | ||
| return string.concat( | ||
| "Earn ", | ||
| // CommonLib.implode(CommonLib.getSymbols(silo), ", "), | ||
| " and supply APR by lending ", | ||
| IERC20Metadata(ISilo(silo).asset()).symbol(), | ||
| " to Silo V2" | ||
| ); | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| // SPDX-License-Identifier: MIT | ||
| pragma solidity ^0.8.23; | ||
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| import "../base/chains/SonicSetup.sol"; | ||
| import "../base/UniversalTest.sol"; | ||
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| contract SiloStrategyTest is SonicSetup, UniversalTest { | ||
| constructor() { | ||
| vm.selectFork(vm.createFork(vm.envString("SONIC_RPC_URL"))); | ||
| vm.rollFork(6548098); // Feb-04-2025 03:31:56 PM +UTC | ||
| } | ||
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| function testSiFSonic() public universalTest { | ||
| _addStrategy(SonicLib.SILO_VAULT_USDC_20); | ||
| } | ||
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| function _addStrategy(address siloVault) internal { | ||
| strategies.push( | ||
| Strategy({ | ||
| id: StrategyIdLib.SILO, | ||
| pool: address(0), | ||
| farmId: type(uint).max, | ||
| underlying: siloVault | ||
| }) | ||
| ); | ||
| } | ||
| } |