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Contract Source Code Verified (Exact Match)
Contract Name:
BeetsStableFarm
Compiler Version
v0.8.23+commit.f704f362
Optimization Enabled:
Yes with 200 runs
Other Settings:
shanghai EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.23; import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol"; import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol"; import {IERC165} from "@openzeppelin/contracts/utils/introspection/IERC165.sol"; import {StrategyBase} from "./base/StrategyBase.sol"; import {LPStrategyBase} from "./base/LPStrategyBase.sol"; import {FarmingStrategyBase} from "./base/FarmingStrategyBase.sol"; import {StrategyLib} from "./libs/StrategyLib.sol"; import {StrategyIdLib} from "./libs/StrategyIdLib.sol"; import {FarmMechanicsLib} from "./libs/FarmMechanicsLib.sol"; import {IFactory} from "../interfaces/IFactory.sol"; import {IAmmAdapter} from "../interfaces/IAmmAdapter.sol"; import {IStrategy} from "../interfaces/IStrategy.sol"; import {IFarmingStrategy} from "../interfaces/IFarmingStrategy.sol"; import {ILPStrategy} from "../interfaces/ILPStrategy.sol"; import {IControllable} from "../interfaces/IControllable.sol"; import {IPlatform} from "../interfaces/IPlatform.sol"; import {VaultTypeLib} from "../core/libs/VaultTypeLib.sol"; import {CommonLib} from "../core/libs/CommonLib.sol"; import {AmmAdapterIdLib} from "../adapters/libs/AmmAdapterIdLib.sol"; import {IBalancerAdapter} from "../interfaces/IBalancerAdapter.sol"; import {IBVault} from "../integrations/balancer/IBVault.sol"; import {IBComposableStablePoolMinimal} from "../integrations/balancer/IBComposableStablePoolMinimal.sol"; import {IBalancerGauge} from "../integrations/balancer/IBalancerGauge.sol"; /// @title Earn Beets stable pool LP fees and gauge rewards /// @author Alien Deployer (https://github.com/a17) contract BeetsStableFarm is LPStrategyBase, FarmingStrategyBase { using SafeERC20 for IERC20; /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* CONSTANTS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @inheritdoc IControllable string public constant VERSION = "1.0.0"; /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* DATA TYPES */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ struct BalancerMethodVars { bytes32 poolId; address[] poolTokens; uint bptIndex; uint len; uint[] allAmounts; uint[] amounts; } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* INITIALIZATION */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @inheritdoc IStrategy function initialize(address[] memory addresses, uint[] memory nums, int24[] memory ticks) public initializer { if (addresses.length != 2 || nums.length != 1 || ticks.length != 0) { revert IControllable.IncorrectInitParams(); } IFactory.Farm memory farm = _getFarm(addresses[0], nums[0]); if (farm.addresses.length != 1 || farm.nums.length != 0 || farm.ticks.length != 0) { revert IFarmingStrategy.BadFarm(); } __LPStrategyBase_init( LPStrategyBaseInitParams({ id: StrategyIdLib.BEETS_STABLE_FARM, platform: addresses[0], vault: addresses[1], pool: farm.pool, underlying: farm.pool }) ); __FarmingStrategyBase_init(addresses[0], nums[0]); address[] memory _assets = assets(); uint len = _assets.length; address balancerVault = IBComposableStablePoolMinimal(farm.pool).getVault(); for (uint i; i < len; ++i) { IERC20(_assets[i]).forceApprove(balancerVault, type(uint).max); } IERC20(farm.pool).forceApprove(farm.addresses[0], type(uint).max); } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* VIEW FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @inheritdoc IERC165 function supportsInterface(bytes4 interfaceId) public view override(LPStrategyBase, FarmingStrategyBase) returns (bool) { return super.supportsInterface(interfaceId); } /// @inheritdoc IFarmingStrategy function canFarm() external view override returns (bool) { IFactory.Farm memory farm = _getFarm(); return farm.status == 0; } /// @inheritdoc FarmingStrategyBase function stakingPool() external view override returns (address) { IFactory.Farm memory farm = _getFarm(); return farm.addresses[0]; } /// @inheritdoc ILPStrategy function ammAdapterId() public pure override returns (string memory) { return AmmAdapterIdLib.BALANCER_COMPOSABLE_STABLE; } /// @inheritdoc IStrategy function getRevenue() external pure returns (address[] memory __assets, uint[] memory amounts) { __assets = new address[](0); amounts = new uint[](0); } /// @inheritdoc IStrategy function initVariants(address platform_) public view returns (string[] memory variants, address[] memory addresses, uint[] memory nums, int24[] memory ticks) { IAmmAdapter _ammAdapter = IAmmAdapter(IPlatform(platform_).ammAdapter(keccak256(bytes(ammAdapterId()))).proxy); addresses = new address[](0); ticks = new int24[](0); IFactory.Farm[] memory farms = IFactory(IPlatform(platform_).factory()).farms(); uint len = farms.length; //slither-disable-next-line uninitialized-local uint localTtotal; //nosemgrep for (uint i; i < len; ++i) { //nosemgrep IFactory.Farm memory farm = farms[i]; //nosemgrep if (farm.status == 0 && CommonLib.eq(farm.strategyLogicId, strategyLogicId())) { ++localTtotal; } } variants = new string[](localTtotal); nums = new uint[](localTtotal); localTtotal = 0; //nosemgrep for (uint i; i < len; ++i) { //nosemgrep IFactory.Farm memory farm = farms[i]; //nosemgrep if (farm.status == 0 && CommonLib.eq(farm.strategyLogicId, strategyLogicId())) { nums[localTtotal] = i; //slither-disable-next-line calls-loop variants[localTtotal] = _generateDescription(farm, _ammAdapter); ++localTtotal; } } } /// @inheritdoc IStrategy function isHardWorkOnDepositAllowed() external pure returns (bool allowed) { allowed = true; } /// @inheritdoc IStrategy function isReadyForHardWork() external view returns (bool) { return total() != 0; } /// @inheritdoc IFarmingStrategy function farmMechanics() external pure returns (string memory) { return FarmMechanicsLib.CLASSIC; } /// @inheritdoc IStrategy function supportedVaultTypes() external pure override(LPStrategyBase, StrategyBase) returns (string[] memory types) { types = new string[](1); types[0] = VaultTypeLib.COMPOUNDING; } /// @inheritdoc IStrategy function strategyLogicId() public pure override returns (string memory) { return StrategyIdLib.BEETS_STABLE_FARM; } /// @inheritdoc IStrategy function getAssetsProportions() public view returns (uint[] memory proportions) { ILPStrategy.LPStrategyBaseStorage storage $lp = _getLPStrategyBaseStorage(); proportions = $lp.ammAdapter.getProportions($lp.pool); } /// @inheritdoc IStrategy function extra() external pure returns (bytes32) { //slither-disable-next-line too-many-digits return CommonLib.bytesToBytes32(abi.encodePacked(bytes3(0xeeeeee), bytes3(0x000000))); } /// @inheritdoc IStrategy function getSpecificName() external pure override returns (string memory, bool) { return ("", false); } /// @inheritdoc IStrategy function description() external view returns (string memory) { IFarmingStrategy.FarmingStrategyBaseStorage storage $f = _getFarmingStrategyBaseStorage(); ILPStrategy.LPStrategyBaseStorage storage $lp = _getLPStrategyBaseStorage(); IFactory.Farm memory farm = IFactory(IPlatform(platform()).factory()).farm($f.farmId); return _generateDescription(farm, $lp.ammAdapter); } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* STRATEGY BASE */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @inheritdoc StrategyBase function _depositAssets(uint[] memory amounts, bool) internal override returns (uint value) { ILPStrategy.LPStrategyBaseStorage storage $lp = _getLPStrategyBaseStorage(); StrategyBaseStorage storage $base = _getStrategyBaseStorage(); IBComposableStablePoolMinimal _pool = IBComposableStablePoolMinimal($lp.pool); BalancerMethodVars memory v; v.poolId = _pool.getPoolId(); (v.poolTokens,,) = IBVault(_pool.getVault()).getPoolTokens(v.poolId); value = IERC20(address(_pool)).balanceOf(address(this)); v.bptIndex = _pool.getBptIndex(); v.len = v.poolTokens.length; v.allAmounts = new uint[](v.len); uint k; for (uint i; i < v.len; ++i) { if (i != v.bptIndex) { v.allAmounts[i] = amounts[k]; k++; } } IBVault(_pool.getVault()).joinPool( v.poolId, address(this), address(this), IBVault.JoinPoolRequest({ assets: v.poolTokens, maxAmountsIn: v.allAmounts, userData: abi.encode(IBVault.JoinKind.EXACT_TOKENS_IN_FOR_BPT_OUT, amounts, 0), fromInternalBalance: false }) ); value = IERC20(address(_pool)).balanceOf(address(this)) - value; $base.total += value; IFactory.Farm memory farm = _getFarm(); IBalancerGauge(farm.addresses[0]).deposit(value); } /// @inheritdoc StrategyBase function _depositUnderlying(uint amount) internal override returns (uint[] memory amountsConsumed) { StrategyBaseStorage storage $base = _getStrategyBaseStorage(); $base.total += amount; IFactory.Farm memory farm = _getFarm(); IBalancerGauge(farm.addresses[0]).deposit(amount); amountsConsumed = _calcAssetsAmounts(amount); } /// @inheritdoc StrategyBase function _withdrawAssets(uint value, address receiver) internal override returns (uint[] memory amountsOut) { IFactory.Farm memory farm = _getFarm(); IBComposableStablePoolMinimal _pool = IBComposableStablePoolMinimal(pool()); BalancerMethodVars memory v; (v.poolTokens,,) = IBVault(_pool.getVault()).getPoolTokens(_pool.getPoolId()); IBalancerGauge(farm.addresses[0]).withdraw(value); address[] memory __assets = assets(); v.len = __assets.length; amountsOut = new uint[](v.len); for (uint i; i < v.len; ++i) { amountsOut[i] = IERC20(__assets[i]).balanceOf(receiver); } v.amounts = _calcAssetsAmounts(value); v.amounts = _extractFee(address(_pool), v.amounts); IBVault(_pool.getVault()).exitPool( _pool.getPoolId(), address(this), payable(receiver), IBVault.ExitPoolRequest({ assets: v.poolTokens, minAmountsOut: new uint[](v.poolTokens.length), userData: abi.encode(1, v.amounts, value), toInternalBalance: false }) ); for (uint i; i < v.len; ++i) { amountsOut[i] = IERC20(__assets[i]).balanceOf(receiver) - amountsOut[i]; } StrategyBaseStorage storage $base = _getStrategyBaseStorage(); $base.total -= value; } /// @inheritdoc StrategyBase function _withdrawUnderlying(uint amount, address receiver) internal override { StrategyBaseStorage storage $base = _getStrategyBaseStorage(); $base.total -= amount; IFactory.Farm memory farm = _getFarm(); IBalancerGauge(farm.addresses[0]).withdraw(amount); IERC20($base._underlying).safeTransfer(receiver, amount); } /// @inheritdoc StrategyBase function _claimRevenue() internal override returns ( address[] memory __assets, uint[] memory __amounts, address[] memory __rewardAssets, uint[] memory __rewardAmounts ) { __assets = assets(); __amounts = new uint[](__assets.length); FarmingStrategyBaseStorage storage $f = _getFarmingStrategyBaseStorage(); __rewardAssets = $f._rewardAssets; uint rwLen = __rewardAssets.length; uint[] memory balanceBefore = new uint[](rwLen); __rewardAmounts = new uint[](rwLen); for (uint i; i < rwLen; ++i) { balanceBefore[i] = StrategyLib.balance(__rewardAssets[i]); } IFactory.Farm memory farm = _getFarm(); IBalancerGauge(farm.addresses[0]).claim_rewards(); for (uint i; i < rwLen; ++i) { __rewardAmounts[i] = StrategyLib.balance(__rewardAssets[i]) - balanceBefore[i]; } } /// @inheritdoc StrategyBase function _compound() internal override { address[] memory _assets = assets(); uint len = _assets.length; uint[] memory amounts = new uint[](len); //slither-disable-next-line uninitialized-local bool notZero; for (uint i; i < len; ++i) { amounts[i] = StrategyLib.balance(_assets[i]); if (amounts[i] != 0) { notZero = true; } } if (notZero) { _depositAssets(amounts, false); } } /// @inheritdoc StrategyBase function _previewDepositAssets(uint[] memory) internal pure override(StrategyBase, LPStrategyBase) returns (uint[] memory, uint) { revert("Not supported"); } /// @inheritdoc StrategyBase function _previewDepositAssetsWrite(uint[] memory amountsMax) internal override(StrategyBase) returns (uint[] memory amountsConsumed, uint value) { IBalancerAdapter _ammAdapter = IBalancerAdapter(IPlatform(platform()).ammAdapter(keccak256(bytes(ammAdapterId()))).proxy); ILPStrategy.LPStrategyBaseStorage storage $lp = _getLPStrategyBaseStorage(); (value, amountsConsumed) = _ammAdapter.getLiquidityForAmountsWrite($lp.pool, amountsMax); } /// @inheritdoc StrategyBase function _previewDepositAssetsWrite( address[] memory, uint[] memory amountsMax ) internal override(StrategyBase) returns (uint[] memory amountsConsumed, uint value) { return _previewDepositAssetsWrite(amountsMax); } /// @inheritdoc StrategyBase function _previewDepositUnderlying(uint amount) internal view override returns (uint[] memory amountsConsumed) { // todo } /// @inheritdoc StrategyBase function _assetsAmounts() internal view override returns (address[] memory assets_, uint[] memory amounts_) { amounts_ = _calcAssetsAmounts(total()); assets_ = assets(); } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* INTERNAL LOGIC */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ function _calcAssetsAmounts(uint shares) internal view returns (uint[] memory amounts_) { IBComposableStablePoolMinimal _pool = IBComposableStablePoolMinimal(pool()); uint bptIndex = _pool.getBptIndex(); (, uint[] memory balances,) = IBVault(_pool.getVault()).getPoolTokens(_pool.getPoolId()); uint supply = IERC20(address(_pool)).totalSupply() - balances[bptIndex]; uint len = balances.length - 1; amounts_ = new uint[](len); for (uint i; i < len; ++i) { amounts_[i] = shares * balances[i < bptIndex ? i : i + 1] / supply; } } function _extractFee(address _pool, uint[] memory amounts_) internal view returns (uint[] memory __amounts) { __amounts = amounts_; uint len = amounts_.length; uint fee = IBComposableStablePoolMinimal(_pool).getSwapFeePercentage(); for (uint i; i < len; ++i) { __amounts[i] -= __amounts[i] * fee / 1e18; } } function _generateDescription( IFactory.Farm memory farm, IAmmAdapter _ammAdapter ) internal view returns (string memory) { //slither-disable-next-line calls-loop return string.concat( "Earn ", //slither-disable-next-line calls-loop CommonLib.implode(CommonLib.getSymbols(farm.rewardAssets), ", "), " and fees on Beets stable pool by ", //slither-disable-next-line calls-loop CommonLib.implode(CommonLib.getSymbols(_ammAdapter.poolTokens(farm.pool)), "-"), " LP" ); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.20; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); /** * @dev Returns the value of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the value of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves a `value` amount of tokens from the caller's account to `to`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address to, uint256 value) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets a `value` amount of tokens as the allowance of `spender` over the * caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 value) external returns (bool); /** * @dev Moves a `value` amount of tokens from `from` to `to` using the * allowance mechanism. `value` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address from, address to, uint256 value) external returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/utils/SafeERC20.sol) pragma solidity ^0.8.20; import {IERC20} from "../IERC20.sol"; import {IERC20Permit} from "../extensions/IERC20Permit.sol"; import {Address} from "../../../utils/Address.sol"; /** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ library SafeERC20 { using Address for address; /** * @dev An operation with an ERC20 token failed. */ error SafeERC20FailedOperation(address token); /** * @dev Indicates a failed `decreaseAllowance` request. */ error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease); /** * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value, * non-reverting calls are assumed to be successful. */ function safeTransfer(IERC20 token, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value))); } /** * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful. */ function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeCall(token.transferFrom, (from, to, value))); } /** * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value, * non-reverting calls are assumed to be successful. */ function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 oldAllowance = token.allowance(address(this), spender); forceApprove(token, spender, oldAllowance + value); } /** * @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no * value, non-reverting calls are assumed to be successful. */ function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal { unchecked { uint256 currentAllowance = token.allowance(address(this), spender); if (currentAllowance < requestedDecrease) { revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease); } forceApprove(token, spender, currentAllowance - requestedDecrease); } } /** * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value, * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval * to be set to zero before setting it to a non-zero value, such as USDT. */ function forceApprove(IERC20 token, address spender, uint256 value) internal { bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value)); if (!_callOptionalReturnBool(token, approvalCall)) { _callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0))); _callOptionalReturn(token, approvalCall); } } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). */ function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data); if (returndata.length != 0 && !abi.decode(returndata, (bool))) { revert SafeERC20FailedOperation(address(token)); } } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). * * This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead. */ function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We cannot use {Address-functionCall} here since this should return false // and not revert is the subcall reverts. (bool success, bytes memory returndata) = address(token).call(data); return success && (returndata.length == 0 || abi.decode(returndata, (bool))) && address(token).code.length > 0; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/IERC165.sol) pragma solidity ^0.8.20; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.23; import "../../core/base/Controllable.sol"; import "../../core/libs/VaultTypeLib.sol"; import "../libs/StrategyLib.sol"; import "../../interfaces/IStrategy.sol"; import "../../interfaces/IVault.sol"; /// @dev Base universal strategy /// Changelog: /// 2.0.0: previewDepositAssetsWrite; use platform.getCustomVaultFee /// 1.1.0: autoCompoundingByUnderlyingProtocol(), virtual total() /// @author Alien Deployer (https://github.com/a17) /// @author JodsMigel (https://github.com/JodsMigel) abstract contract StrategyBase is Controllable, IStrategy { using SafeERC20 for IERC20; /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* CONSTANTS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Version of StrategyBase implementation string public constant VERSION_STRATEGY_BASE = "2.0.0"; // keccak256(abi.encode(uint256(keccak256("erc7201:stability.StrategyBase")) - 1)) & ~bytes32(uint256(0xff)); bytes32 private constant STRATEGYBASE_STORAGE_LOCATION = 0xb14b643f49bed6a2c6693bbd50f68dc950245db265c66acadbfa51ccc8c3ba00; /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* INITIALIZATION */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ //slither-disable-next-line naming-convention function __StrategyBase_init( address platform_, string memory id_, address vault_, address[] memory assets_, address underlying_, uint exchangeAssetIndex_ ) internal onlyInitializing { __Controllable_init(platform_); StrategyBaseStorage storage $ = _getStrategyBaseStorage(); ($._id, $.vault, $._assets, $._underlying, $._exchangeAssetIndex) = (id_, vault_, assets_, underlying_, exchangeAssetIndex_); } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* RESTRICTED ACTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ modifier onlyVault() { _requireVault(); _; } /// @inheritdoc IStrategy function depositAssets(uint[] memory amounts) external override onlyVault returns (uint value) { StrategyBaseStorage storage $ = _getStrategyBaseStorage(); if ($.lastHardWork == 0) { $.lastHardWork = block.timestamp; } _beforeDeposit(); return _depositAssets(amounts, true); } /// @inheritdoc IStrategy function withdrawAssets( address[] memory assets_, uint value, address receiver ) external virtual onlyVault returns (uint[] memory amountsOut) { _beforeWithdraw(); return _withdrawAssets(assets_, value, receiver); } function depositUnderlying(uint amount) external virtual override onlyVault returns (uint[] memory amountsConsumed) { _beforeDeposit(); return _depositUnderlying(amount); } function withdrawUnderlying(uint amount, address receiver) external virtual override onlyVault { _beforeWithdraw(); _withdrawUnderlying(amount, receiver); } /// @inheritdoc IStrategy function transferAssets( uint amount, uint total_, address receiver ) external onlyVault returns (uint[] memory amountsOut) { _beforeTransferAssets(); //slither-disable-next-line unused-return return StrategyLib.transferAssets(_getStrategyBaseStorage(), amount, total_, receiver); } /// @inheritdoc IStrategy function doHardWork() external onlyVault { _beforeDoHardWork(); StrategyBaseStorage storage $ = _getStrategyBaseStorage(); address _vault = $.vault; //slither-disable-next-line unused-return (uint tvl,) = IVault(_vault).tvl(); if (tvl > 0) { address _platform = platform(); uint exchangeAssetIndex = $._exchangeAssetIndex; ( address[] memory __assets, uint[] memory __amounts, address[] memory __rewardAssets, uint[] memory __rewardAmounts ) = _claimRevenue(); //slither-disable-next-line uninitialized-local uint totalBefore; if (!autoCompoundingByUnderlyingProtocol()) { __amounts[exchangeAssetIndex] += _liquidateRewards(__assets[exchangeAssetIndex], __rewardAssets, __rewardAmounts); uint[] memory amountsRemaining = StrategyLib.extractFees(_platform, _vault, $._id, __assets, __amounts); bool needCompound = _processRevenue(__assets, amountsRemaining); totalBefore = $.total; if (needCompound) { _compound(); } } else { // maybe this is not final logic // vault shares as fees can be used not only for autoCompoundingByUnderlyingProtocol strategies, // but for many strategies linked to CVault if this feature will be implemented IVault(_vault).hardWorkMintFeeCallback(__assets, __amounts); // call empty method only for coverage or them can be overriden _liquidateRewards(__assets[0], __rewardAssets, __rewardAmounts); _processRevenue(__assets, __amounts); _compound(); } StrategyLib.emitApr($, _platform, __assets, __amounts, tvl, totalBefore); } } /// @inheritdoc IStrategy function emergencyStopInvesting() external onlyGovernanceOrMultisig { // slither-disable-next-line unused-return _withdrawAssets(total(), address(this)); } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* VIEW FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @inheritdoc IERC165 function supportsInterface(bytes4 interfaceId) public view virtual override(Controllable, IERC165) returns (bool) { return interfaceId == type(IStrategy).interfaceId || super.supportsInterface(interfaceId); } function strategyLogicId() public view virtual returns (string memory); /// @inheritdoc IStrategy function assets() public view virtual returns (address[] memory) { return _getStrategyBaseStorage()._assets; } /// @inheritdoc IStrategy function underlying() public view override returns (address) { return _getStrategyBaseStorage()._underlying; } /// @inheritdoc IStrategy function vault() public view override returns (address) { return _getStrategyBaseStorage().vault; } /// @inheritdoc IStrategy function total() public view virtual override returns (uint) { return _getStrategyBaseStorage().total; } /// @inheritdoc IStrategy function lastHardWork() public view override returns (uint) { return _getStrategyBaseStorage().lastHardWork; } /// @inheritdoc IStrategy function lastApr() public view override returns (uint) { return _getStrategyBaseStorage().lastApr; } /// @inheritdoc IStrategy function lastAprCompound() public view override returns (uint) { return _getStrategyBaseStorage().lastAprCompound; } /// @inheritdoc IStrategy function assetsAmounts() public view virtual returns (address[] memory assets_, uint[] memory amounts_) { (assets_, amounts_) = _assetsAmounts(); //slither-disable-next-line unused-return return StrategyLib.assetsAmountsWithBalances(assets_, amounts_); } /// @inheritdoc IStrategy function previewDepositAssets( address[] memory assets_, uint[] memory amountsMax ) public view virtual returns (uint[] memory amountsConsumed, uint value) { // nosemgrep if (assets_.length == 1 && assets_[0] == _getStrategyBaseStorage()._underlying && assets_[0] != address(0)) { if (amountsMax.length != 1) { revert IControllable.IncorrectArrayLength(); } value = amountsMax[0]; amountsConsumed = _previewDepositUnderlying(amountsMax[0]); } else { return _previewDepositAssets(assets_, amountsMax); } } /// @inheritdoc IStrategy function previewDepositAssetsWrite( address[] memory assets_, uint[] memory amountsMax ) external virtual returns (uint[] memory amountsConsumed, uint value) { // nosemgrep if (assets_.length == 1 && assets_[0] == _getStrategyBaseStorage()._underlying && assets_[0] != address(0)) { if (amountsMax.length != 1) { revert IControllable.IncorrectArrayLength(); } value = amountsMax[0]; amountsConsumed = _previewDepositUnderlyingWrite(amountsMax[0]); } else { return _previewDepositAssetsWrite(assets_, amountsMax); } } /// @inheritdoc IStrategy function autoCompoundingByUnderlyingProtocol() public view virtual returns (bool) { return false; } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* Default implementations */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Invest underlying asset. Asset must be already on strategy contract balance. /// @return Cosumed amounts of invested assets function _depositUnderlying(uint /*amount*/ ) internal virtual returns (uint[] memory /*amountsConsumed*/ ) { revert(_getStrategyBaseStorage()._underlying == address(0) ? "no underlying" : "not implemented"); } /// @dev Wothdraw underlying invested and send to receiver function _withdrawUnderlying(uint, /*amount*/ address /*receiver*/ ) internal virtual { revert(_getStrategyBaseStorage()._underlying == address(0) ? "no underlying" : "not implemented"); } /// @dev Calculation of consumed amounts and liquidity/underlying value for provided amount of underlying function _previewDepositUnderlying(uint /*amount*/ ) internal view virtual returns (uint[] memory /*amountsConsumed*/ ) {} function _previewDepositUnderlyingWrite(uint amount) internal view virtual returns (uint[] memory amountsConsumed) { return _previewDepositUnderlying(amount); } /// @dev Can be overrided by derived base strategies for custom logic function _beforeDeposit() internal virtual {} /// @dev Can be overrided by derived base strategies for custom logic function _beforeWithdraw() internal virtual {} /// @dev Can be overrided by derived base strategies for custom logic function _beforeTransferAssets() internal virtual {} /// @dev Can be overrided by derived base strategies for custom logic function _beforeDoHardWork() internal virtual { if (!IStrategy(this).isReadyForHardWork()) { revert NotReadyForHardWork(); } } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* Must be implemented by derived contracts */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @inheritdoc IStrategy function supportedVaultTypes() external view virtual returns (string[] memory types); /// @dev Investing assets. Amounts must be on strategy contract balance. /// @param amounts Amounts of strategy assets to invest /// @param claimRevenue Claim revenue before investing /// @return value Output of liquidity value or underlying token amount function _depositAssets(uint[] memory amounts, bool claimRevenue) internal virtual returns (uint value); /// @dev Withdraw assets from investing and send to user. /// Here we give the user a choice of assets to withdraw if strategy support it. /// This full form of _withdrawAssets can be implemented only in inherited base strategy contract. /// @param assets_ Assets for withdrawal. Can contain not all strategy assets if it need. /// @param value Part of strategy total value to withdraw /// @param receiver User address /// @return amountsOut Amounts of assets sent to user function _withdrawAssets( address[] memory assets_, uint value, address receiver ) internal virtual returns (uint[] memory amountsOut); /// @dev Withdraw strategy assets from investing and send to user. /// This light form of _withdrawAssets is suitable for implementation into final strategy contract. /// @param value Part of strategy total value to withdraw /// @param receiver User address /// @return amountsOut Amounts of assets sent to user function _withdrawAssets(uint value, address receiver) internal virtual returns (uint[] memory amountsOut); /// @dev Claim all possible revenue to strategy contract balance and calculate claimed revenue after previous HardWork /// @return __assets Strategy assets /// @return __amounts Amounts of claimed revenue in form of strategy assets /// @return __rewardAssets Farming reward assets /// @return __rewardAmounts Amounts of claimed farming rewards function _claimRevenue() internal virtual returns ( address[] memory __assets, uint[] memory __amounts, address[] memory __rewardAssets, uint[] memory __rewardAmounts ); function _processRevenue( address[] memory assets_, uint[] memory amountsRemaining ) internal virtual returns (bool needCompound); function _liquidateRewards( address exchangeAsset, address[] memory rewardAssets_, uint[] memory rewardAmounts_ ) internal virtual returns (uint earnedExchangeAsset); /// @dev Reinvest strategy assets of strategy contract balance function _compound() internal virtual; /// @dev Strategy assets and amounts that strategy invests. Without assets on strategy contract balance /// @return assets_ Strategy assets /// @return amounts_ Amounts invested function _assetsAmounts() internal view virtual returns (address[] memory assets_, uint[] memory amounts_); /// @dev Calculation of consumed amounts and liquidity/underlying value for provided strategy assets and amounts. /// @dev This full form of _previewDepositAssets can be implemented only in inherited base strategy contract /// @param assets_ Strategy assets or part of them, if necessary /// @param amountsMax Amounts of specified assets available for investing /// @return amountsConsumed Consumed amounts of assets when investing /// @return value Liquidity value or underlying token amount minted when investing function _previewDepositAssets( address[] memory assets_, uint[] memory amountsMax ) internal view virtual returns (uint[] memory amountsConsumed, uint value); /// @dev Write version of _previewDepositAssets /// @param assets_ Strategy assets or part of them, if necessary /// @param amountsMax Amounts of specified assets available for investing /// @return amountsConsumed Consumed amounts of assets when investing /// @return value Liquidity value or underlying token amount minted when investing function _previewDepositAssetsWrite( address[] memory assets_, uint[] memory amountsMax ) internal virtual returns (uint[] memory amountsConsumed, uint value) { return _previewDepositAssets(assets_, amountsMax); } /// @dev Calculation of consumed amounts and liquidity/underlying value for provided strategy assets and amounts. /// Light form of _previewDepositAssets is suitable for implementation into final strategy contract. /// @param amountsMax Amounts of specified assets available for investing /// @return amountsConsumed Consumed amounts of assets when investing /// @return value Liquidity value or underlying token amount minted when investing function _previewDepositAssets(uint[] memory amountsMax) internal view virtual returns (uint[] memory amountsConsumed, uint value); /// @dev Write version of _previewDepositAssets /// @param amountsMax Amounts of specified assets available for investing /// @return amountsConsumed Consumed amounts of assets when investing /// @return value Liquidity value or underlying token amount minted when investing function _previewDepositAssetsWrite(uint[] memory amountsMax) internal virtual returns (uint[] memory amountsConsumed, uint value) { return _previewDepositAssets(amountsMax); } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* INTERNAL LOGIC */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ function _getStrategyBaseStorage() internal pure returns (StrategyBaseStorage storage $) { //slither-disable-next-line assembly assembly { $.slot := STRATEGYBASE_STORAGE_LOCATION } } function _requireVault() internal view { if (msg.sender != _getStrategyBaseStorage().vault) { revert IControllable.NotVault(); } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.23; import "./StrategyBase.sol"; import "../libs/LPStrategyLib.sol"; import "../../interfaces/ILPStrategy.sol"; /// @dev Base liquidity providing strategy /// @author Alien Deployer (https://github.com/a17) /// @author JodsMigel (https://github.com/JodsMigel) abstract contract LPStrategyBase is StrategyBase, ILPStrategy { /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* CONSTANTS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Version of LPStrategyBase implementation string public constant VERSION_LP_STRATEGY_BASE = "1.0.3"; // keccak256(abi.encode(uint256(keccak256("erc7201:stability.LPStrategyBase")) - 1)) & ~bytes32(uint256(0xff)); bytes32 private constant LPSTRATEGYBASE_STORAGE_LOCATION = 0xa6fdc931ca23c69f54119a0a2d6478619b5aa365084590a1fbc287668fbabe00; /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* INITIALIZATION */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ //slither-disable-next-line naming-convention function __LPStrategyBase_init(LPStrategyBaseInitParams memory params) internal onlyInitializing { LPStrategyBaseStorage storage $ = _getLPStrategyBaseStorage(); address[] memory _assets; uint exchangeAssetIndex; (_assets, exchangeAssetIndex) = LPStrategyLib.LPStrategyBase_init($, params.platform, params, ammAdapterId()); //slither-disable-next-line reentrancy-events __StrategyBase_init(params.platform, params.id, params.vault, _assets, params.underlying, exchangeAssetIndex); } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* VIEW FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @inheritdoc IERC165 function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(ILPStrategy).interfaceId || super.supportsInterface(interfaceId); } /// @inheritdoc IStrategy function supportedVaultTypes() external view virtual override returns (string[] memory types) { types = new string[](3); types[0] = VaultTypeLib.COMPOUNDING; types[1] = VaultTypeLib.REWARDING; types[2] = VaultTypeLib.REWARDING_MANAGED; } /// @inheritdoc ILPStrategy function ammAdapterId() public view virtual returns (string memory); /// @inheritdoc ILPStrategy function pool() public view override returns (address) { return _getLPStrategyBaseStorage().pool; } /// @inheritdoc ILPStrategy function ammAdapter() public view returns (IAmmAdapter) { return _getLPStrategyBaseStorage().ammAdapter; } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* INTERNAL LOGIC */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ //slither-disable-next-line dead-code function _previewDepositAssets(uint[] memory amountsMax) internal view virtual override returns (uint[] memory amountsConsumed, uint value) { LPStrategyBaseStorage storage $ = _getLPStrategyBaseStorage(); (value, amountsConsumed) = $.ammAdapter.getLiquidityForAmounts($.pool, amountsMax); } function _previewDepositAssets( address[] memory assets_, uint[] memory amountsMax ) internal view override returns (uint[] memory amountsConsumed, uint value) { LPStrategyLib.checkPreviewDepositAssets(assets_, assets(), amountsMax); return _previewDepositAssets(amountsMax); } function _withdrawAssets( address[] memory assets_, uint value, address receiver ) internal virtual override returns (uint[] memory amountsOut) { LPStrategyLib.checkAssets(assets_, assets()); return _withdrawAssets(value, receiver); } function _processRevenue( address[] memory assets_, uint[] memory amountsRemaining ) internal override returns (bool needCompound) { LPStrategyBaseStorage storage $ = _getLPStrategyBaseStorage(); return LPStrategyLib.processRevenue( platform(), vault(), $.ammAdapter, _getStrategyBaseStorage()._exchangeAssetIndex, $.pool, assets_, amountsRemaining ); } function _swapForDepositProportion(uint prop0Pool) internal returns (uint[] memory amountsToDeposit) { LPStrategyBaseStorage storage $ = _getLPStrategyBaseStorage(); return LPStrategyLib.swapForDepositProportion(platform(), $.ammAdapter, $.pool, assets(), prop0Pool); } function _getLPStrategyBaseStorage() internal pure returns (LPStrategyBaseStorage storage $) { //slither-disable-next-line assembly assembly { $.slot := LPSTRATEGYBASE_STORAGE_LOCATION } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.23; import "./StrategyBase.sol"; import "../libs/StrategyLib.sol"; import "../../interfaces/IStrategy.sol"; import "../../interfaces/IFactory.sol"; import "../../interfaces/IFarmingStrategy.sol"; import "../../interfaces/ISwapper.sol"; /// @title Base farming strategy /// @author Alien Deployer (https://github.com/a17) /// @author JodsMigel (https://github.com/JodsMigel) abstract contract FarmingStrategyBase is StrategyBase, IFarmingStrategy { /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* CONSTANTS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Version of FarmingStrategyBase implementation string public constant VERSION_FARMING_STRATEGY_BASE = "1.2.0"; // keccak256(abi.encode(uint256(keccak256("erc7201:stability.FarmingStrategyBase")) - 1)) & ~bytes32(uint256(0xff)); bytes32 private constant FARMINGSTRATEGYBASE_STORAGE_LOCATION = 0xe61f0a7b2953b9e28e48cc07562ad7979478dcaee972e68dcf3b10da2cba6000; /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* INITIALIZATION */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ //slither-disable-next-line naming-convention function __FarmingStrategyBase_init(address platform_, uint farmId_) internal onlyInitializing { StrategyLib.FarmingStrategyBase_init( _getFarmingStrategyBaseStorage(), _getStrategyBaseStorage()._id, platform_, farmId_ ); } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* RESTRICTED ACTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @inheritdoc IFarmingStrategy function refreshFarmingAssets() external onlyOperator { StrategyLib.updateFarmingAssets(_getFarmingStrategyBaseStorage(), platform()); } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* VIEW FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @inheritdoc IERC165 function supportsInterface(bytes4 interfaceId) public view virtual override(StrategyBase) returns (bool) { return interfaceId == type(IFarmingStrategy).interfaceId || super.supportsInterface(interfaceId); } /// @inheritdoc IFarmingStrategy function farmId() public view returns (uint) { return _getFarmingStrategyBaseStorage().farmId; } /// @inheritdoc IFarmingStrategy function farmingAssets() external view returns (address[] memory) { return _getFarmingStrategyBaseStorage()._rewardAssets; } /// @inheritdoc IFarmingStrategy function stakingPool() external view virtual returns (address) { return address(0); } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* Providing farm data to derived contracts */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ function _getFarm() internal view returns (IFactory.Farm memory) { return _getFarm(platform(), farmId()); } function _getFarm(address platform_, uint farmId_) internal view returns (IFactory.Farm memory) { return IFactory(IPlatform(platform_).factory()).farm(farmId_); } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* STRATEGY BASE */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @inheritdoc StrategyBase function _liquidateRewards( address exchangeAsset, address[] memory rewardAssets_, uint[] memory rewardAmounts_ ) internal override returns (uint earnedExchangeAsset) { return StrategyLib.liquidateRewards(platform(), exchangeAsset, rewardAssets_, rewardAmounts_); } function _getFarmingStrategyBaseStorage() internal pure returns (FarmingStrategyBaseStorage storage $) { //slither-disable-next-line assembly assembly { $.slot := FARMINGSTRATEGYBASE_STORAGE_LOCATION } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.23; import "@openzeppelin/contracts-upgradeable/token/ERC20/ERC20Upgradeable.sol"; import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol"; import "@openzeppelin/contracts/utils/math/Math.sol"; import "../../core/libs/ConstantsLib.sol"; import "../../core/libs/VaultTypeLib.sol"; import "../../core/libs/CommonLib.sol"; import "../../interfaces/IPlatform.sol"; import "../../interfaces/IVault.sol"; import "../../interfaces/IVaultManager.sol"; import "../../interfaces/IStrategyLogic.sol"; import "../../interfaces/IFactory.sol"; import "../../interfaces/IPriceReader.sol"; import "../../interfaces/ISwapper.sol"; import "../../interfaces/ILPStrategy.sol"; import "../../interfaces/IFarmingStrategy.sol"; library StrategyLib { using SafeERC20 for IERC20; /// @dev Reward pools may have low liquidity and 1% fees uint internal constant SWAP_REWARDS_PRICE_IMPACT_TOLERANCE = 7_000; struct ExtractFeesVars { IPlatform platform; uint feePlatform; uint amountPlatform; uint feeShareVaultManager; uint amountVaultManager; uint feeShareStrategyLogic; uint amountStrategyLogic; uint feeShareEcosystem; uint amountEcosystem; } function FarmingStrategyBase_init( IFarmingStrategy.FarmingStrategyBaseStorage storage $, string memory id, address platform, uint farmId ) external { $.farmId = farmId; IFactory.Farm memory farm = IFactory(IPlatform(platform).factory()).farm(farmId); if (keccak256(bytes(farm.strategyLogicId)) != keccak256(bytes(id))) { revert IFarmingStrategy.IncorrectStrategyId(); } updateFarmingAssets($, platform); $._rewardsOnBalance = new uint[](farm.rewardAssets.length); } function updateFarmingAssets(IFarmingStrategy.FarmingStrategyBaseStorage storage $, address platform) public { IFactory.Farm memory farm = IFactory(IPlatform(platform).factory()).farm($.farmId); address swapper = IPlatform(platform).swapper(); $._rewardAssets = farm.rewardAssets; uint len = farm.rewardAssets.length; // nosemgrep for (uint i; i < len; ++i) { IERC20(farm.rewardAssets[i]).forceApprove(swapper, type(uint).max); } } function transferAssets( IStrategy.StrategyBaseStorage storage $, uint amount, uint total_, address receiver ) external returns (uint[] memory amountsOut) { address[] memory assets = $._assets; uint len = assets.length; amountsOut = new uint[](len); // nosemgrep for (uint i; i < len; ++i) { amountsOut[i] = balance(assets[i]) * amount / total_; IERC20(assets[i]).transfer(receiver, amountsOut[i]); } } function extractFees( address platform, address vault, string memory _id, address[] memory assets_, uint[] memory amounts_ ) external returns (uint[] memory amountsRemaining) { ExtractFeesVars memory vars = ExtractFeesVars({ platform: IPlatform(platform), feePlatform: 0, amountPlatform: 0, feeShareVaultManager: 0, amountVaultManager: 0, feeShareStrategyLogic: 0, amountStrategyLogic: 0, feeShareEcosystem: 0, amountEcosystem: 0 }); (vars.feePlatform, vars.feeShareVaultManager, vars.feeShareStrategyLogic, vars.feeShareEcosystem) = vars.platform.getFees(); try vars.platform.getCustomVaultFee(vault) returns (uint vaultCustomFee) { if (vaultCustomFee != 0) { vars.feePlatform = vaultCustomFee; } } catch {} address vaultManagerReceiver = IVaultManager(vars.platform.vaultManager()).getRevenueReceiver(IVault(vault).tokenId()); //slither-disable-next-line unused-return uint strategyLogicTokenId = IFactory(vars.platform.factory()).strategyLogicConfig(keccak256(bytes(_id))).tokenId; address strategyLogicReceiver = IStrategyLogic(vars.platform.strategyLogic()).getRevenueReceiver(strategyLogicTokenId); uint len = assets_.length; amountsRemaining = new uint[](len); // nosemgrep for (uint i; i < len; ++i) { amounts_[i] = Math.min(amounts_[i], balance(assets_[i])); if (amounts_[i] > 0) { // revenue fee amount of assets_[i] vars.amountPlatform = amounts_[i] * vars.feePlatform / ConstantsLib.DENOMINATOR; amountsRemaining[i] = amounts_[i] - vars.amountPlatform; // VaultManager amount vars.amountVaultManager = vars.amountPlatform * vars.feeShareVaultManager / ConstantsLib.DENOMINATOR; // StrategyLogic amount vars.amountStrategyLogic = vars.amountPlatform * vars.feeShareStrategyLogic / ConstantsLib.DENOMINATOR; // Ecosystem amount vars.amountEcosystem = vars.amountPlatform * vars.feeShareEcosystem / ConstantsLib.DENOMINATOR; // Multisig share and amount uint multisigShare = ConstantsLib.DENOMINATOR - vars.feeShareVaultManager - vars.feeShareStrategyLogic - vars.feeShareEcosystem; uint multisigAmount = multisigShare > 0 ? vars.amountPlatform - vars.amountVaultManager - vars.amountStrategyLogic - vars.amountEcosystem : 0; // send amounts IERC20(assets_[i]).safeTransfer(vaultManagerReceiver, vars.amountVaultManager); IERC20(assets_[i]).safeTransfer(strategyLogicReceiver, vars.amountStrategyLogic); if (vars.amountEcosystem > 0) { IERC20(assets_[i]).safeTransfer(vars.platform.ecosystemRevenueReceiver(), vars.amountEcosystem); } if (multisigAmount > 0) { IERC20(assets_[i]).safeTransfer(vars.platform.multisig(), multisigAmount); } emit IStrategy.ExtractFees( vars.amountVaultManager, vars.amountStrategyLogic, vars.amountEcosystem, multisigAmount ); } } } function liquidateRewards( address platform, address exchangeAsset, address[] memory rewardAssets_, uint[] memory rewardAmounts_ ) external returns (uint earnedExchangeAsset) { ISwapper swapper = ISwapper(IPlatform(platform).swapper()); uint len = rewardAssets_.length; uint exchangeAssetBalanceBefore = balance(exchangeAsset); // nosemgrep for (uint i; i < len; ++i) { if (rewardAmounts_[i] > swapper.threshold(rewardAssets_[i])) { if (rewardAssets_[i] != exchangeAsset) { swapper.swap( rewardAssets_[i], exchangeAsset, rewardAmounts_[i], SWAP_REWARDS_PRICE_IMPACT_TOLERANCE ); } else { exchangeAssetBalanceBefore = 0; } } } uint exchangeAssetBalanceAfter = balance(exchangeAsset); earnedExchangeAsset = exchangeAssetBalanceAfter - exchangeAssetBalanceBefore; } function emitApr( IStrategy.StrategyBaseStorage storage $, address platform, address[] memory assets, uint[] memory amounts, uint tvl, uint totalBefore ) external { uint duration = block.timestamp - $.lastHardWork; IPriceReader priceReader = IPriceReader(IPlatform(platform).priceReader()); //slither-disable-next-line unused-return (uint earned,, uint[] memory assetPrices,) = priceReader.getAssetsPrice(assets, amounts); uint apr = computeApr(tvl, earned, duration); uint aprCompound = totalBefore != 0 ? computeApr(totalBefore, $.total - totalBefore, duration) : apr; uint sharePrice = tvl * 1e18 / IERC20($.vault).totalSupply(); emit IStrategy.HardWork(apr, aprCompound, earned, tvl, duration, sharePrice, assetPrices); $.lastApr = apr; $.lastAprCompound = aprCompound; $.lastHardWork = block.timestamp; } function balance(address token) public view returns (uint) { return IERC20(token).balanceOf(address(this)); } /// @dev https://www.investopedia.com/terms/a/apr.asp /// TVL and rewards should be in the same currency and with the same decimals function computeApr(uint tvl, uint earned, uint duration) public pure returns (uint) { if (tvl == 0 || duration == 0) { return 0; } return earned * 1e18 * ConstantsLib.DENOMINATOR * uint(365) / tvl / (duration * 1e18 / 1 days); } function assetsAmountsWithBalances( address[] memory assets_, uint[] memory amounts_ ) external view returns (address[] memory assets, uint[] memory amounts) { assets = assets_; amounts = amounts_; uint len = assets_.length; // nosemgrep for (uint i; i < len; ++i) { amounts[i] += balance(assets_[i]); } } function assetsAreOnBalance(address[] memory assets) external view returns (bool isReady) { uint rwLen = assets.length; for (uint i; i < rwLen; ++i) { if (IERC20(assets[i]).balanceOf(address(this)) > 0) { isReady = true; break; } } } // function getFarmsForStrategyId(address platform, string memory _id) external view returns (IFactory.Farm[] memory farms) { // uint total; // IFactory.Farm[] memory allFarms = IFactory(IPlatform(platform).factory()).farms(); // uint len = allFarms.length; // for (uint i; i < len; ++i) { // IFactory.Farm memory farm = allFarms[i]; // if (farm.status == 0 && CommonLib.eq(farm.strategyLogicId, _id)) { // total++; // } // } // farms = new IFactory.Farm[](total); // uint k; // for (uint i; i < len; ++i) { // IFactory.Farm memory farm = allFarms[i]; // if (farm.status == 0 && CommonLib.eq(farm.strategyLogicId, _id)) { // farms[k] = farm; // k++; // } // } // } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.23; library StrategyIdLib { string internal constant DEV = "Dev Alpha DeepSpaceSwap Farm"; string internal constant QUICKSWAPV3_STATIC_FARM = "QuickSwapV3 Static Farm"; string internal constant GAMMA_QUICKSWAP_MERKL_FARM = "Gamma QuickSwap Merkl Farm"; string internal constant GAMMA_RETRO_MERKL_FARM = "Gamma Retro Merkl Farm"; string internal constant GAMMA_UNISWAPV3_MERKL_FARM = "Gamma UniswapV3 Merkl Farm"; string internal constant COMPOUND_FARM = "Compound Farm"; string internal constant DEFIEDGE_QUICKSWAP_MERKL_FARM = "DefiEdge QuickSwap Merkl Farm"; string internal constant STEER_QUICKSWAP_MERKL_FARM = "Steer QuickSwap Merkl Farm"; string internal constant ICHI_QUICKSWAP_MERKL_FARM = "Ichi QuickSwap Merkl Farm"; string internal constant ICHI_RETRO_MERKL_FARM = "Ichi Retro Merkl Farm"; string internal constant QUICKSWAP_STATIC_MERKL_FARM = "QuickSwap Static Merkl Farm"; string internal constant CURVE_CONVEX_FARM = "Curve Convex Farm"; string internal constant YEARN = "Yearn"; string internal constant TRIDENT_PEARL_FARM = "Trident Pearl Farm"; string internal constant BEETS_STABLE_FARM = "Beets Stable Farm"; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.23; library FarmMechanicsLib { string internal constant CLASSIC = "Classic"; string internal constant MERKL = "Merkl"; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.23; import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol"; /// @notice Creating vaults, upgrading vaults and strategies, vault list, farms and strategy logics management /// @author Alien Deployer (https://github.com/a17) /// @author Jude (https://github.com/iammrjude) /// @author JodsMigel (https://github.com/JodsMigel) /// @author HCrypto7 (https://github.com/hcrypto7) interface IFactory { //region ----- Custom Errors ----- error VaultImplementationIsNotAvailable(); error VaultNotAllowedToDeploy(); error StrategyImplementationIsNotAvailable(); error StrategyLogicNotAllowedToDeploy(); error YouDontHaveEnoughTokens(uint userBalance, uint requireBalance, address payToken); error SuchVaultAlreadyDeployed(bytes32 key); error NotActiveVault(); error UpgradeDenied(bytes32 _hash); error AlreadyLastVersion(bytes32 _hash); error NotStrategy(); error BoostDurationTooLow(); error BoostAmountTooLow(); error BoostAmountIsZero(); //endregion ----- Custom Errors ----- //region ----- Events ----- event VaultAndStrategy( address indexed deployer, string vaultType, string strategyId, address vault, address strategy, string name, string symbol, address[] assets, bytes32 deploymentKey, uint vaultManagerTokenId ); event StrategyProxyUpgraded(address proxy, address oldImplementation, address newImplementation); event VaultProxyUpgraded(address proxy, address oldImplementation, address newImplementation); event VaultConfigChanged( string type_, address implementation, bool deployAllowed, bool upgradeAllowed, bool newVaultType ); event StrategyLogicConfigChanged( string id, address implementation, bool deployAllowed, bool upgradeAllowed, bool newStrategy ); event VaultStatus(address indexed vault, uint newStatus); event NewFarm(Farm[] farms); event UpdateFarm(uint id, Farm farm); event SetStrategyAvailableInitParams(string id, address[] initAddresses, uint[] initNums, int24[] initTicks); event AliasNameChanged(address indexed operator, address indexed tokenAddress, string newAliasName); //endregion -- Events ----- //region ----- Data types ----- /// @custom:storage-location erc7201:stability.Factory struct FactoryStorage { /// @inheritdoc IFactory mapping(bytes32 typeHash => VaultConfig) vaultConfig; /// @inheritdoc IFactory mapping(bytes32 idHash => StrategyLogicConfig) strategyLogicConfig; /// @inheritdoc IFactory mapping(bytes32 deploymentKey => address vaultProxy) deploymentKey; /// @inheritdoc IFactory mapping(address vault => uint status) vaultStatus; /// @inheritdoc IFactory mapping(address address_ => bool isStrategy_) isStrategy; EnumerableSet.Bytes32Set vaultTypeHashes; EnumerableSet.Bytes32Set strategyLogicIdHashes; mapping(uint week => mapping(uint builderPermitTokenId => uint vaultsBuilt)) vaultsBuiltByPermitTokenId; address[] deployedVaults; Farm[] farms; /// @inheritdoc IFactory mapping(bytes32 idHash => StrategyAvailableInitParams) strategyAvailableInitParams; mapping(address tokenAddress => string aliasName) aliasNames; } struct VaultConfig { string vaultType; address implementation; bool deployAllowed; bool upgradeAllowed; uint buildingPrice; } struct StrategyLogicConfig { string id; address implementation; bool deployAllowed; bool upgradeAllowed; bool farming; uint tokenId; } struct Farm { uint status; address pool; string strategyLogicId; address[] rewardAssets; address[] addresses; uint[] nums; int24[] ticks; } struct StrategyAvailableInitParams { address[] initAddresses; uint[] initNums; int24[] initTicks; } //endregion -- Data types ----- //region ----- View functions ----- /// @notice All vaults deployed by the factory /// @return Vault proxy addresses function deployedVaults() external view returns (address[] memory); /// @notice Total vaults deployed function deployedVaultsLength() external view returns (uint); /// @notice Get vault by VaultManager tokenId /// @param id Vault array index. Same as tokenId of VaultManager NFT /// @return Address of VaultProxy function deployedVault(uint id) external view returns (address); /// @notice All farms known by the factory in current network function farms() external view returns (Farm[] memory); /// @notice Total farms known by the factory in current network function farmsLength() external view returns (uint); /// @notice Farm data by farm index /// @param id Index of farm function farm(uint id) external view returns (Farm memory); /// @notice Strategy logic settings /// @param idHash keccak256 hash of strategy logic string ID /// @return config Strategy logic settings function strategyLogicConfig(bytes32 idHash) external view returns (StrategyLogicConfig memory config); /// @notice All known strategies /// @return Array of keccak256 hashes of strategy logic string ID function strategyLogicIdHashes() external view returns (bytes32[] memory); // todo remove, use new function without calculating vault symbol on the fly for not initialized vaults // factory required that special functionally only internally, not for interface function getStrategyData( string memory vaultType, address strategyAddress, address bbAsset ) external view returns ( string memory strategyId, address[] memory assets, string[] memory assetsSymbols, string memory specificName, string memory vaultSymbol ); /// @dev Get best asset of assets to be strategy exchange asset function getExchangeAssetIndex(address[] memory assets) external view returns (uint); /// @notice Deployment key of created vault /// @param deploymentKey_ Hash of concatenated unique vault and strategy initialization parameters /// @return Address of deployed vault function deploymentKey(bytes32 deploymentKey_) external view returns (address); /// @notice Calculating deployment key based on unique vault and strategy initialization parameters /// @param vaultType Vault type string /// @param strategyId Strategy logic Id string /// @param vaultInitAddresses Vault initizlization addresses for deployVaultAndStrategy method /// @param vaultInitNums Vault initizlization uint numbers for deployVaultAndStrategy method /// @param strategyInitAddresses Strategy initizlization addresses for deployVaultAndStrategy method /// @param strategyInitNums Strategy initizlization uint numbers for deployVaultAndStrategy method /// @param strategyInitTicks Strategy initizlization int24 ticks for deployVaultAndStrategy method function getDeploymentKey( string memory vaultType, string memory strategyId, address[] memory vaultInitAddresses, uint[] memory vaultInitNums, address[] memory strategyInitAddresses, uint[] memory strategyInitNums, int24[] memory strategyInitTicks ) external returns (bytes32); /// @notice Available variants of new vault for creating. /// The structure of the function's output values is complex, /// but after parsing them, the front end has all the data to generate a list of vaults to create. /// @return desc Descriptions of the strategy for making money /// @return vaultType Vault type strings. Output values are matched by index with previous array. /// @return strategyId Strategy logic ID strings. Output values are matched by index with previous array. /// @return initIndexes Map of start and end indexes in next 5 arrays. Output values are matched by index with previous array. /// [0] Start index in vaultInitAddresses /// [1] End index in vaultInitAddresses /// [2] Start index in vaultInitNums /// [3] End index in vaultInitNums /// [4] Start index in strategyInitAddresses /// [5] End index in strategyInitAddresses /// [6] Start index in strategyInitNums /// [7] End index in strategyInitNums /// [8] Start index in strategyInitTicks /// [9] End index in strategyInitTicks /// @return vaultInitAddresses Vault initizlization addresses for deployVaultAndStrategy method for all building variants. /// @return vaultInitNums Vault initizlization uint numbers for deployVaultAndStrategy method for all building variants. /// @return strategyInitAddresses Strategy initizlization addresses for deployVaultAndStrategy method for all building variants. /// @return strategyInitNums Strategy initizlization uint numbers for deployVaultAndStrategy method for all building variants. /// @return strategyInitTicks Strategy initizlization int24 ticks for deployVaultAndStrategy method for all building variants. function whatToBuild() external view returns ( string[] memory desc, string[] memory vaultType, string[] memory strategyId, uint[10][] memory initIndexes, address[] memory vaultInitAddresses, uint[] memory vaultInitNums, address[] memory strategyInitAddresses, uint[] memory strategyInitNums, int24[] memory strategyInitTicks ); /// @notice Governance and multisig can set a vault status other than Active - the default status. /// HardWorker only works with active vaults. /// @return status Constant from VaultStatusLib function vaultStatus(address vault) external view returns (uint status); /// @notice Check that strategy proxy deployed by the Factory /// @param address_ Address of contract /// @return This address is our strategy proxy function isStrategy(address address_) external view returns (bool); /// @notice How much vaults was built by builderPermitToken NFT tokenId in week /// @param week Week index (timestamp / (86400 * 7)) /// @param builderPermitTokenId Token ID of buildingPermitToken NFT /// @return vaultsBuilt Vaults built function vaultsBuiltByPermitTokenId( uint week, uint builderPermitTokenId ) external view returns (uint vaultsBuilt); /// @notice Data on all factory strategies. /// The output values are matched by index in the arrays. /// @return id Strategy logic ID strings /// @return deployAllowed New vaults can be deployed /// @return upgradeAllowed Strategy can be upgraded /// @return farming It is farming strategy (earns farming/gauge rewards) /// @return tokenId Token ID of StrategyLogic NFT /// @return tokenURI StrategyLogic NFT tokenId metadata and on-chain image /// @return extra Strategy color, background color and other extra data function strategies() external view returns ( string[] memory id, bool[] memory deployAllowed, bool[] memory upgradeAllowed, bool[] memory farming, uint[] memory tokenId, string[] memory tokenURI, bytes32[] memory extra ); /// @notice Get config of vault type /// @param typeHash Keccak256 hash of vault type string /// @return vaultType Vault type string /// @return implementation Vault implementation address /// @return deployAllowed New vaults can be deployed /// @return upgradeAllowed Vaults can be upgraded /// @return buildingPrice Price of building new vault function vaultConfig(bytes32 typeHash) external view returns ( string memory vaultType, address implementation, bool deployAllowed, bool upgradeAllowed, uint buildingPrice ); /// @notice Data on all factory vault types /// The output values are matched by index in the arrays. /// @return vaultType Vault type string /// @return implementation Address of vault implemented logic /// @return deployAllowed New vaults can be deployed /// @return upgradeAllowed Vaults can be upgraded /// @return buildingPrice Price of building new vault /// @return extra Vault type color, background color and other extra data function vaultTypes() external view returns ( string[] memory vaultType, address[] memory implementation, bool[] memory deployAllowed, bool[] memory upgradeAllowed, uint[] memory buildingPrice, bytes32[] memory extra ); /// @notice Initialization strategy params store function strategyAvailableInitParams(bytes32 idHash) external view returns (StrategyAvailableInitParams memory); /// @notice Retrieves the alias name associated with a given address /// @param tokenAddress_ The address to query for its alias name /// @return The alias name associated with the provided address function getAliasName(address tokenAddress_) external view returns (string memory); //endregion -- View functions ----- //region ----- Write functions ----- /// @notice Main method of the Factory - new vault creation by user. /// @param vaultType Vault type ID string /// @param strategyId Strategy logic ID string /// Different types of vaults and strategies have different lengths of input arrays. /// @param vaultInitAddresses Addresses for vault initialization /// @param vaultInitNums Numbers for vault initialization /// @param strategyInitAddresses Addresses for strategy initialization /// @param strategyInitNums Numbers for strategy initialization /// @param strategyInitTicks Ticks for strategy initialization /// @return vault Deployed VaultProxy address /// @return strategy Deployed StrategyProxy address function deployVaultAndStrategy( string memory vaultType, string memory strategyId, address[] memory vaultInitAddresses, uint[] memory vaultInitNums, address[] memory strategyInitAddresses, uint[] memory strategyInitNums, int24[] memory strategyInitTicks ) external returns (address vault, address strategy); /// @notice Upgrade vault proxy. Can be called by any address. /// @param vault Address of vault proxy for upgrade function upgradeVaultProxy(address vault) external; /// @notice Upgrade strategy proxy. Can be called by any address. /// @param strategy Address of strategy proxy for upgrade function upgradeStrategyProxy(address strategy) external; /// @notice Add farm to factory /// @param farms_ Settings and data required to work with the farm. function addFarms(Farm[] memory farms_) external; /// @notice Update farm /// @param id Farm index /// @param farm_ Settings and data required to work with the farm. function updateFarm(uint id, Farm memory farm_) external; /// @notice Initial addition or change of vault type settings. /// Operator can add new vault type. Governance or multisig can change existing vault type config. /// @param vaultConfig_ Vault type settings function setVaultConfig(VaultConfig memory vaultConfig_) external; /// @notice Initial addition or change of strategy logic settings. /// Operator can add new strategy logic. Governance or multisig can change existing logic config. /// @param config Strategy logic settings /// @param developer Strategy developer is receiver of minted StrategyLogic NFT on initial addition function setStrategyLogicConfig(StrategyLogicConfig memory config, address developer) external; /// @notice Governance and multisig can set a vault status other than Active - the default status. /// @param vaults Addresses of vault proxy /// @param statuses New vault statuses. Constant from VaultStatusLib function setVaultStatus(address[] memory vaults, uint[] memory statuses) external; /// @notice Initial addition or change of strategy available init params /// @param id Strategy ID string /// @param initParams Init params variations that will be parsed by strategy function setStrategyAvailableInitParams(string memory id, StrategyAvailableInitParams memory initParams) external; /// @notice Assigns a new alias name to a specific address /// @dev This function may require certain permissions to be called successfully. /// @param tokenAddress_ The address to assign an alias name to /// @param aliasName_ The alias name to assign to the given address function setAliasName(address tokenAddress_, string memory aliasName_) external; //endregion -- Write functions ----- }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.23; import "@openzeppelin/contracts/utils/introspection/IERC165.sol"; /// @dev Get price, swap, liquidity calculations. Used by strategies and swapper /// @author Alien Deployer (https://github.com/a17) /// @author JodsMigel (https://github.com/JodsMigel) interface IAmmAdapter is IERC165 { /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* CUSTOM ERRORS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ error PriceIncreased(); error WrongCallbackAmount(); error NotSupportedByCAMM(); /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* EVENTS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ event SwapInPool( address pool, address tokenIn, address tokenOut, address recipient, uint priceImpactTolerance, uint amountIn, uint amountOut ); /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* DATA TYPES */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ struct SwapCallbackData { address tokenIn; uint amount; } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* VIEW FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @notice String ID of the adapter function ammAdapterId() external view returns (string memory); /// @notice Tokens of a pool supported by the adapter function poolTokens(address pool) external view returns (address[] memory); /// @notice Computes the maximum amount of liquidity received for given amounts of pool assets and the current /// pool price. /// This function signature can be used only for non-concentrated AMMs. /// @param pool Address of a pool supported by the adapter /// @param amounts Amounts of pool assets /// @return liquidity Liquidity out value /// @return amountsConsumed Amounts of consumed assets when providing liquidity function getLiquidityForAmounts( address pool, uint[] memory amounts ) external view returns (uint liquidity, uint[] memory amountsConsumed); /// @notice Priced proportions of pool assets /// @param pool Address of a pool supported by the adapter /// @return Proportions with 18 decimals precision. Max is 1e18, min is 0. function getProportions(address pool) external view returns (uint[] memory); /// @notice Current price in pool without amount impact /// @param pool Address of a pool supported by the adapter /// @param tokenIn Token for sell /// @param tokenOut Token for buy /// @param amount Amount of tokenIn. For zero value provided amount 1.0 (10 ** decimals of tokenIn) will be used. /// @return Amount of tokenOut with tokenOut decimals precision function getPrice(address pool, address tokenIn, address tokenOut, uint amount) external view returns (uint); /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* WRITE FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @notice Swap given tokenIn for tokenOut. Assume that tokenIn already sent to this contract. /// @param pool Address of a pool supported by the adapter /// @param tokenIn Token for sell /// @param tokenOut Token for buy /// @param recipient Recipient for tokenOut /// @param priceImpactTolerance Price impact tolerance. Must include fees at least. Denominator is 100_000. function swap( address pool, address tokenIn, address tokenOut, address recipient, uint priceImpactTolerance ) external; /// @dev Initializer for proxied adapter function init(address platform) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.23; import "@openzeppelin/contracts/utils/introspection/IERC165.sol"; /// @dev Core interface of strategy logic interface IStrategy is IERC165 { /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* EVENTS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ event HardWork( uint apr, uint compoundApr, uint earned, uint tvl, uint duration, uint sharePrice, uint[] assetPrices ); event ExtractFees( uint vaultManagerReceiverFee, uint strategyLogicReceiverFee, uint ecosystemRevenueReceiverFee, uint multisigReceiverFee ); /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* CUSTOM ERRORS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ error NotReadyForHardWork(); /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* DATA TYPES */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @custom:storage-location erc7201:stability.StrategyBase struct StrategyBaseStorage { /// @inheritdoc IStrategy address vault; /// @inheritdoc IStrategy uint total; /// @inheritdoc IStrategy uint lastHardWork; /// @inheritdoc IStrategy uint lastApr; /// @inheritdoc IStrategy uint lastAprCompound; /// @inheritdoc IStrategy address[] _assets; /// @inheritdoc IStrategy address _underlying; string _id; uint _exchangeAssetIndex; } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* VIEW FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Strategy logic string ID function strategyLogicId() external view returns (string memory); /// @dev Extra data /// @return 0-2 bytes - strategy color /// 3-5 bytes - strategy background color /// 6-31 bytes - free function extra() external view returns (bytes32); /// @dev Types of vault that supported by strategy implementation /// @return types Vault type ID strings function supportedVaultTypes() external view returns (string[] memory types); /// @dev Linked vault address function vault() external view returns (address); /// @dev Final assets that strategy invests function assets() external view returns (address[] memory); /// @notice Final assets and amounts that strategy manages function assetsAmounts() external view returns (address[] memory assets_, uint[] memory amounts_); /// @notice Priced invested assets proportions /// @return proportions Proportions of assets with 18 decimals. Min is 0, max is 1e18. function getAssetsProportions() external view returns (uint[] memory proportions); /// @notice Underlying token address /// @dev Can be used for liquidity farming strategies where AMM has fungible liquidity token (Solidly forks, etc), /// for concentrated liquidity tokenized vaults (Gamma, G-UNI etc) and for other needs. /// @return Address of underlying token or zero address if no underlying in strategy function underlying() external view returns (address); /// @dev Balance of liquidity token or liquidity value function total() external view returns (uint); /// @dev Last HardWork time /// @return Timestamp function lastHardWork() external view returns (uint); /// @dev Last APR of earned USD amount registered by HardWork /// ONLY FOR OFF-CHAIN USE. /// Not trusted asset price can be manipulated. /// @return APR with 18 decimals. 1e18 - 100%. function lastApr() external view returns (uint); /// @dev Last APR of compounded assets registered by HardWork. /// Can be used on-chain. /// @return APR with 18 decimals. 1e18 - 100%. function lastAprCompound() external view returns (uint); /// @notice Calculation of consumed amounts and liquidity/underlying value for provided strategy assets and amounts. /// @param assets_ Strategy assets or part of them, if necessary /// @param amountsMax Amounts of specified assets available for investing /// @return amountsConsumed Cosumed amounts of assets when investing /// @return value Liquidity value or underlying token amount minted when investing function previewDepositAssets( address[] memory assets_, uint[] memory amountsMax ) external view returns (uint[] memory amountsConsumed, uint value); /// @notice Write version of previewDepositAssets /// @param assets_ Strategy assets or part of them, if necessary /// @param amountsMax Amounts of specified assets available for investing /// @return amountsConsumed Cosumed amounts of assets when investing /// @return value Liquidity value or underlying token amount minted when investing function previewDepositAssetsWrite( address[] memory assets_, uint[] memory amountsMax ) external returns (uint[] memory amountsConsumed, uint value); /// @notice All strategy revenue (pool fees, farm rewards etc) that not claimed by strategy yet /// @return assets_ Revenue assets /// @return amounts Amounts. Index of asset same as in previous array. function getRevenue() external view returns (address[] memory assets_, uint[] memory amounts); /// @notice Optional specific name of investing strategy, underyling type, setup variation etc /// @return name Empty string or specific name /// @return showInVaultSymbol Show specific in linked vault symbol function getSpecificName() external view returns (string memory name, bool showInVaultSymbol); /// @notice Variants pf strategy initializations with description of money making mechanic. /// As example, if strategy need farm, then number of variations is number of available farms. /// If CAMM strategy have set of available widths (tick ranges), then number of variations is number of available farms. /// If both example conditions are met then total number or variations = total farms * total widths. /// @param platform_ Need this param because method called when strategy implementation is not initialized /// @return variants Descriptions of the strategy for making money /// @return addresses Init strategy addresses. Indexes for each variants depends of copmpared arrays lengths. /// @return nums Init strategy numbers. Indexes for each variants depends of copmpared arrays lengths. /// @return ticks Init strategy ticks. Indexes for each variants depends of copmpared arrays lengths. function initVariants(address platform_) external view returns (string[] memory variants, address[] memory addresses, uint[] memory nums, int24[] memory ticks); /// @notice How does the strategy make money? /// @return Description in free form function description() external view returns (string memory); /// @notice Is HardWork on vault deposits can be enabled function isHardWorkOnDepositAllowed() external view returns (bool); /// @notice Is HardWork can be executed function isReadyForHardWork() external view returns (bool); /// @notice Strategy not need to process revenue on HardWorks function autoCompoundingByUnderlyingProtocol() external view returns (bool); /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* WRITE FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev A single universal initializer for all strategy implementations. /// @param addresses All addresses that strategy requires for initialization. Min array length is 2. /// addresses[0]: platform (required) /// addresses[1]: vault (required) /// addresses[2]: initStrategyAddresses[0] (optional) /// addresses[3]: initStrategyAddresses[1] (optional) /// addresses[n]: initStrategyAddresses[n - 2] (optional) /// @param nums All uint values that strategy requires for initialization. Min array length is 0. /// @param ticks All int24 values that strategy requires for initialization. Min array length is 0. function initialize(address[] memory addresses, uint[] memory nums, int24[] memory ticks) external; /// @notice Invest strategy assets. Amounts of assets must be already on strategy contract balance. /// Only vault can call this. /// @param amounts Anounts of strategy assets /// @return value Liquidity value or underlying token amount function depositAssets(uint[] memory amounts) external returns (uint value); /// @notice Invest underlying asset. Asset must be already on strategy contract balance. /// Only vault can call this. /// @param amount Amount of underlying asset to invest /// @return amountsConsumed Cosumed amounts of invested assets function depositUnderlying(uint amount) external returns (uint[] memory amountsConsumed); /// @dev For specified amount of shares and assets_, withdraw strategy assets from farm/pool/staking and send to receiver if possible /// Only vault can call this. /// @param assets_ Here we give the user a choice of assets to withdraw if strategy support it /// @param value Part of strategy total value to withdraw /// @param receiver User address /// @return amountsOut Amounts of assets sent to user function withdrawAssets( address[] memory assets_, uint value, address receiver ) external returns (uint[] memory amountsOut); /// @notice Wothdraw underlying invested and send to receiver /// Only vault can call this. /// @param amount Ampunt of underlying asset to withdraw /// @param receiver User of vault which withdraw underlying from the vault function withdrawUnderlying(uint amount, address receiver) external; /// @dev For specified amount of shares, transfer strategy assets from contract balance and send to receiver if possible /// This method is called by vault w/o underlying on triggered fuse mode. /// Only vault can call this. /// @param amount Ampunt of liquidity value that user withdraw /// @param totalAmount Total amount of strategy liquidity /// @param receiver User of vault which withdraw assets /// @return amountsOut Amounts of strategy assets sent to user function transferAssets( uint amount, uint totalAmount, address receiver ) external returns (uint[] memory amountsOut); /// @notice Execute HardWork /// During HardWork strategy claiming revenue and processing it. /// Only vault can call this. function doHardWork() external; /// @notice Emergency stop investing by strategy, withdraw liquidity without rewards. /// This action triggers FUSE mode. /// Only governance or multisig can call this. function emergencyStopInvesting() external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.23; /// @dev Mostly this interface need for front-end and tests for interacting with farming strategies /// @author JodsMigel (https://github.com/JodsMigel) interface IFarmingStrategy { /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* EVENTS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ event RewardsClaimed(uint[] amounts); /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* ERRORS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ error BadFarm(); error IncorrectStrategyId(); /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* DATA TYPES */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @custom:storage-location erc7201:stability.FarmingStrategyBase struct FarmingStrategyBaseStorage { /// @inheritdoc IFarmingStrategy uint farmId; address[] _rewardAssets; uint[] _rewardsOnBalance; } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* VIEW FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @notice Index of the farm used by initialized strategy function farmId() external view returns (uint); /// @notice Strategy can earn money on farm now /// Some strategies can continue work and earn pool fees after ending of farm rewards. function canFarm() external view returns (bool); /// @notice Mechanics of receiving farming rewards function farmMechanics() external view returns (string memory); /// @notice Farming reward assets for claim and liquidate /// @return Addresses of farm reward ERC20 tokens function farmingAssets() external view returns (address[] memory); /// @notice Address of pool for staking asset/underlying function stakingPool() external view returns (address); /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* WRITE FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @notice Update strategy farming reward assets from Factory /// Only operator can call this function refreshFarmingAssets() external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.23; import "../interfaces/IAmmAdapter.sol"; /// @title Liquidity providing strategy /// @author Alien Deployer (https://github.com/a17) interface ILPStrategy { /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* EVENTS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ event FeesClaimed(uint[] fees); /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* ERRORS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ error ZeroAmmAdapter(); error IncorrectAssetsLength(); error IncorrectAssets(); error IncorrectAmountsLength(); /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* DATA TYPES */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @custom:storage-location erc7201:stability.LPStrategyBase struct LPStrategyBaseStorage { /// @inheritdoc ILPStrategy address pool; /// @inheritdoc ILPStrategy IAmmAdapter ammAdapter; uint[] _feesOnBalance; } struct LPStrategyBaseInitParams { string id; address platform; address vault; address pool; address underlying; } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* VIEW FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev AMM adapter string ID for interacting with pool function ammAdapterId() external view returns (string memory); /// @dev AMM adapter address for interacting with pool function ammAdapter() external view returns (IAmmAdapter); /// @dev AMM function pool() external view returns (address); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.23; /// @dev Base core interface implemented by most platform contracts. /// Inherited contracts store an immutable Platform proxy address in the storage, /// which provides authorization capabilities and infrastructure contract addresses. /// @author Alien Deployer (https://github.com/a17) /// @author JodsMigel (https://github.com/JodsMigel) interface IControllable { //region ----- Custom Errors ----- error IncorrectZeroArgument(); error IncorrectMsgSender(); error NotGovernance(); error NotMultisig(); error NotGovernanceAndNotMultisig(); error NotOperator(); error NotFactory(); error NotPlatform(); error NotVault(); error IncorrectArrayLength(); error AlreadyExist(); error NotExist(); error NotTheOwner(); error ETHTransferFailed(); error IncorrectInitParams(); //endregion -- Custom Errors ----- event ContractInitialized(address platform, uint ts, uint block); /// @notice Stability Platform main contract address function platform() external view returns (address); /// @notice Version of contract implementation /// @dev SemVer scheme MAJOR.MINOR.PATCH //slither-disable-next-line naming-convention function VERSION() external view returns (string memory); /// @notice Block number when contract was initialized function createdBlock() external view returns (uint); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.23; /// @notice Interface of the main contract and entry point to the platform. /// @author Alien Deployer (https://github.com/a17) /// @author Jude (https://github.com/iammrjude) /// @author JodsMigel (https://github.com/JodsMigel) interface IPlatform { /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* CUSTOM ERRORS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ error AlreadyAnnounced(); error SameVersion(); error NoNewVersion(); error UpgradeTimerIsNotOver(uint TimerTimestamp); error IncorrectFee(uint minFee, uint maxFee); error NotEnoughAllowedBBToken(); error TokenAlreadyExistsInSet(address token); error AggregatorNotExists(address dexAggRouter); /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* EVENTS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ event PlatformVersion(string version); event UpgradeAnnounce( string oldVersion, string newVersion, address[] proxies, address[] newImplementations, uint timelock ); event CancelUpgrade(string oldVersion, string newVersion); event ProxyUpgraded( address indexed proxy, address implementation, string oldContractVersion, string newContractVersion ); event Addresses( address multisig_, address factory_, address priceReader_, address swapper_, address buildingPermitToken_, address vaultManager_, address strategyLogic_, address aprOracle_, address hardWorker, address rebalancer, address zap, address bridge ); event OperatorAdded(address operator); event OperatorRemoved(address operator); event FeesChanged(uint fee, uint feeShareVaultManager, uint feeShareStrategyLogic, uint feeShareEcosystem); event MinInitialBoostChanged(uint minInitialBoostPerDay, uint minInitialBoostDuration); event NewAmmAdapter(string id, address proxy); event EcosystemRevenueReceiver(address receiver); event SetAllowedBBTokenVaults(address bbToken, uint vaultsToBuild, bool firstSet); event RemoveAllowedBBToken(address bbToken); event AddAllowedBoostRewardToken(address token); event RemoveAllowedBoostRewardToken(address token); event AddDefaultBoostRewardToken(address token); event RemoveDefaultBoostRewardToken(address token); event AddBoostTokens(address[] allowedBoostRewardToken, address[] defaultBoostRewardToken); event AllowedBBTokenVaultUsed(address bbToken, uint vaultToUse); event AddDexAggregator(address router); event RemoveDexAggregator(address router); event MinTvlForFreeHardWorkChanged(uint oldValue, uint newValue); event CustomVaultFee(address vault, uint platformFee); event Rebalancer(address rebalancer_); event Bridge(address bridge_); /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* DATA TYPES */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ struct PlatformUpgrade { string newVersion; address[] proxies; address[] newImplementations; } struct PlatformSettings { string networkName; bytes32 networkExtra; uint fee; uint feeShareVaultManager; uint feeShareStrategyLogic; uint feeShareEcosystem; uint minInitialBoostPerDay; uint minInitialBoostDuration; } struct AmmAdapter { string id; address proxy; } struct SetupAddresses { address factory; address priceReader; address swapper; address buildingPermitToken; address buildingPayPerVaultToken; address vaultManager; address strategyLogic; address aprOracle; address targetExchangeAsset; address hardWorker; address zap; address bridge; address rebalancer; } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* VIEW FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @notice Platform version in CalVer scheme: YY.MM.MINOR-tag. Updates on core contract upgrades. function platformVersion() external view returns (string memory); /// @notice Time delay for proxy upgrades of core contracts and changing important platform settings by multisig //slither-disable-next-line naming-convention function TIME_LOCK() external view returns (uint); /// @notice DAO governance function governance() external view returns (address); /// @notice Core team multi signature wallet. Development and operations fund function multisig() external view returns (address); /// @notice This NFT allow user to build limited number of vaults per week function buildingPermitToken() external view returns (address); /// @notice This ERC20 token is used as payment token for vault building function buildingPayPerVaultToken() external view returns (address); /// @notice Receiver of ecosystem revenue function ecosystemRevenueReceiver() external view returns (address); /// @dev The best asset in a network for swaps between strategy assets and farms rewards assets /// The target exchange asset is used for finding the best strategy's exchange asset. /// Rhe fewer routes needed to swap to the target exchange asset, the better. function targetExchangeAsset() external view returns (address); /// @notice Platform factory assembling vaults. Stores settings, strategy logic, farms. /// Provides the opportunity to upgrade vaults and strategies. /// @return Address of Factory proxy function factory() external view returns (address); /// @notice The holders of these NFT receive a share of the vault revenue /// @return Address of VaultManager proxy function vaultManager() external view returns (address); /// @notice The holders of these tokens receive a share of the revenue received in all vaults using this strategy logic. function strategyLogic() external view returns (address); /// @notice Combining oracle and DeX spot prices /// @return Address of PriceReader proxy function priceReader() external view returns (address); /// @notice Providing underlying assets APRs on-chain /// @return Address of AprOracle proxy function aprOracle() external view returns (address); /// @notice On-chain price quoter and swapper /// @return Address of Swapper proxy function swapper() external view returns (address); /// @notice HardWork resolver and caller /// @return Address of HardWorker proxy function hardWorker() external view returns (address); /// @notice Rebalance resolver /// @return Address of Rebalancer proxy function rebalancer() external view returns (address); /// @notice ZAP feature /// @return Address of Zap proxy function zap() external view returns (address); /// @notice Stability Bridge /// @return Address of Bridge proxy function bridge() external view returns (address); /// @notice Name of current EVM network function networkName() external view returns (string memory); /// @notice Minimal initial boost rewards per day USD amount which needs to create rewarding vault function minInitialBoostPerDay() external view returns (uint); /// @notice Minimal boost rewards vesting duration for initial boost function minInitialBoostDuration() external view returns (uint); /// @notice This function provides the timestamp of the platform upgrade timelock. /// @dev This function is an external view function, meaning it doesn't modify the state. /// @return uint representing the timestamp of the platform upgrade timelock. function platformUpgradeTimelock() external view returns (uint); /// @dev Extra network data /// @return 0-2 bytes - color /// 3-5 bytes - background color /// 6-31 bytes - free function networkExtra() external view returns (bytes32); /// @notice Pending platform upgrade data function pendingPlatformUpgrade() external view returns (PlatformUpgrade memory); /// @notice Get platform revenue fee settings /// @return fee Revenue fee % (between MIN_FEE - MAX_FEE) with DENOMINATOR precision. /// @return feeShareVaultManager Revenue fee share % of VaultManager tokenId owner /// @return feeShareStrategyLogic Revenue fee share % of StrategyLogic tokenId owner /// @return feeShareEcosystem Revenue fee share % of ecosystemFeeReceiver function getFees() external view returns (uint fee, uint feeShareVaultManager, uint feeShareStrategyLogic, uint feeShareEcosystem); /// @notice Get custom vault platform fee /// @return fee revenue fee % with DENOMINATOR precision function getCustomVaultFee(address vault) external view returns (uint fee); /// @notice Platform settings function getPlatformSettings() external view returns (PlatformSettings memory); /// @notice AMM adapters of the platform function getAmmAdapters() external view returns (string[] memory id, address[] memory proxy); /// @notice Get AMM adapter data by hash /// @param ammAdapterIdHash Keccak256 hash of adapter ID string /// @return ID string and proxy address of AMM adapter function ammAdapter(bytes32 ammAdapterIdHash) external view returns (AmmAdapter memory); /// @notice Allowed buy-back tokens for rewarding vaults function allowedBBTokens() external view returns (address[] memory); /// @notice Vaults building limit for buy-back token. /// This limit decrements when a vault for BB-token is built. /// @param token Allowed buy-back token /// @return vaultsLimit Number of vaults that can be built for BB-token function allowedBBTokenVaults(address token) external view returns (uint vaultsLimit); /// @notice Vaults building limits for allowed buy-back tokens. /// @return bbToken Allowed buy-back tokens /// @return vaultsLimit Number of vaults that can be built for BB-tokens function allowedBBTokenVaults() external view returns (address[] memory bbToken, uint[] memory vaultsLimit); /// @notice Non-zero vaults building limits for allowed buy-back tokens. /// @return bbToken Allowed buy-back tokens /// @return vaultsLimit Number of vaults that can be built for BB-tokens function allowedBBTokenVaultsFiltered() external view returns (address[] memory bbToken, uint[] memory vaultsLimit); /// @notice Check address for existance in operators list /// @param operator Address /// @return True if this address is Stability Operator function isOperator(address operator) external view returns (bool); /// @notice Tokens that can be used for boost rewards of rewarding vaults /// @return Addresses of tokens function allowedBoostRewardTokens() external view returns (address[] memory); /// @notice Allowed boost reward tokens that used for unmanaged rewarding vaults creation /// @return Addresses of tokens function defaultBoostRewardTokens() external view returns (address[] memory); /// @notice Allowed boost reward tokens that used for unmanaged rewarding vaults creation /// @param addressToRemove This address will be removed from default boost reward tokens /// @return Addresses of tokens function defaultBoostRewardTokensFiltered(address addressToRemove) external view returns (address[] memory); /// @notice Allowed DeX aggregators /// @return Addresses of DeX aggregator rounters function dexAggregators() external view returns (address[] memory); /// @notice DeX aggregator router address is allowed to be used in the platform /// @param dexAggRouter Address of DeX aggreagator router /// @return Can be used function isAllowedDexAggregatorRouter(address dexAggRouter) external view returns (bool); /// @notice Show minimum TVL for compensate if vault has not enough ETH /// @return Minimum TVL for compensate. function minTvlForFreeHardWork() external view returns (uint); /// @notice Front-end platform viewer /// @return platformAddresses Platform core addresses /// platformAddresses[0] factory /// platformAddresses[1] vaultManager /// platformAddresses[2] strategyLogic /// platformAddresses[3] buildingPermitToken /// platformAddresses[4] buildingPayPerVaultToken /// platformAddresses[5] governance /// platformAddresses[6] multisig /// platformAddresses[7] zap /// platformAddresses[8] bridge /// @return bcAssets Blue chip token addresses /// @return dexAggregators_ DeX aggregators allowed to be used entire the platform /// @return vaultType Vault type ID strings /// @return vaultExtra Vault color, background color and other extra data. Index of vault same as in previous array. /// @return vaultBulldingPrice Price of creating new vault in buildingPayPerVaultToken. Index of vault same as in previous array. /// @return strategyId Strategy logic ID strings /// @return isFarmingStrategy True if strategy is farming strategy. Index of strategy same as in previous array. /// @return strategyTokenURI StrategyLogic NFT tokenId metadata and on-chain image. Index of strategy same as in previous array. /// @return strategyExtra Strategy color, background color and other extra data. Index of strategy same as in previous array. function getData() external view returns ( address[] memory platformAddresses, address[] memory bcAssets, address[] memory dexAggregators_, string[] memory vaultType, bytes32[] memory vaultExtra, uint[] memory vaultBulldingPrice, string[] memory strategyId, bool[] memory isFarmingStrategy, string[] memory strategyTokenURI, bytes32[] memory strategyExtra ); // todo add vaultSymbol, vaultName /// @notice Front-end balances, prices and vault list viewer /// @param yourAccount Address of account to query balances /// @return token Tokens supported by the platform /// @return tokenPrice USD price of token. Index of token same as in previous array. /// @return tokenUserBalance User balance of token. Index of token same as in previous array. /// @return vault Deployed vaults /// @return vaultSharePrice Price 1.0 vault share. Index of vault same as in previous array. /// @return vaultUserBalance User balance of vault. Index of vault same as in previous array. /// @return nft Ecosystem NFTs /// nft[0] BuildingPermitToken /// nft[1] VaultManager /// nft[2] StrategyLogic /// @return nftUserBalance User balance of NFT. Index of NFT same as in previous array. /// @return buildingPayPerVaultTokenBalance User balance of vault creation paying token function getBalance(address yourAccount) external view returns ( address[] memory token, uint[] memory tokenPrice, uint[] memory tokenUserBalance, address[] memory vault, uint[] memory vaultSharePrice, uint[] memory vaultUserBalance, address[] memory nft, uint[] memory nftUserBalance, uint buildingPayPerVaultTokenBalance ); /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* WRITE FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @notice Add platform operator. /// Only governance and multisig can add operator. /// @param operator Address of new operator function addOperator(address operator) external; /// @notice Remove platform operator. /// Only governance and multisig can remove operator. /// @param operator Address of operator to remove function removeOperator(address operator) external; /// @notice Announce upgrade of platform proxies implementations /// Only governance and multisig can announce platform upgrades. /// @param newVersion New platform version. Version must be changed when upgrading. /// @param proxies Addresses of core contract proxies /// @param newImplementations New implementation for proxy. Index of proxy same as in previous array. function announcePlatformUpgrade( string memory newVersion, address[] memory proxies, address[] memory newImplementations ) external; /// @notice Upgrade platform /// Only operator (multisig is operator too) can ececute pending platform upgrade function upgrade() external; /// @notice Cancel pending platform upgrade /// Only operator (multisig is operator too) can ececute pending platform upgrade function cancelUpgrade() external; /// @notice Register AMM adapter in platform /// @param id AMM adapter ID string from AmmAdapterIdLib /// @param proxy Address of AMM adapter proxy function addAmmAdapter(string memory id, address proxy) external; // todo Only governance and multisig can set allowed bb-token vaults building limit /// @notice Set new vaults building limit for buy-back token /// @param bbToken Address of allowed buy-back token /// @param vaultsToBuild Number of vaults that can be built for BB-token function setAllowedBBTokenVaults(address bbToken, uint vaultsToBuild) external; // todo Only governance and multisig can add allowed boost reward token /// @notice Add new allowed boost reward token /// @param token Address of token function addAllowedBoostRewardToken(address token) external; // todo Only governance and multisig can remove allowed boost reward token /// @notice Remove allowed boost reward token /// @param token Address of allowed boost reward token function removeAllowedBoostRewardToken(address token) external; // todo Only governance and multisig can add default boost reward token /// @notice Add default boost reward token /// @param token Address of default boost reward token function addDefaultBoostRewardToken(address token) external; // todo Only governance and multisig can remove default boost reward token /// @notice Remove default boost reward token /// @param token Address of allowed boost reward token function removeDefaultBoostRewardToken(address token) external; // todo Only governance and multisig can add allowed boost reward token // todo Only governance and multisig can add default boost reward token /// @notice Add new allowed boost reward token /// @notice Add default boost reward token /// @param allowedBoostRewardToken Address of allowed boost reward token /// @param defaultBoostRewardToken Address of default boost reward token function addBoostTokens( address[] memory allowedBoostRewardToken, address[] memory defaultBoostRewardToken ) external; /// @notice Decrease allowed BB-token vault building limit when vault is built /// Only Factory can do it. /// @param bbToken Address of allowed buy-back token function useAllowedBBTokenVault(address bbToken) external; /// @notice Allow DeX aggregator routers to be used in the platform /// @param dexAggRouter Addresses of DeX aggreagator routers function addDexAggregators(address[] memory dexAggRouter) external; /// @notice Remove allowed DeX aggregator router from the platform /// @param dexAggRouter Address of DeX aggreagator router function removeDexAggregator(address dexAggRouter) external; /// @notice Change initial boost rewards settings /// @param minInitialBoostPerDay_ Minimal initial boost rewards per day USD amount which needs to create rewarding vault /// @param minInitialBoostDuration_ Minimal boost rewards vesting duration for initial boost function setInitialBoost(uint minInitialBoostPerDay_, uint minInitialBoostDuration_) external; /// @notice Update new minimum TVL for compensate. /// @param value New minimum TVL for compensate. function setMinTvlForFreeHardWork(uint value) external; /// @notice Set custom platform fee for vault /// @param vault Vault address /// @param platformFee Custom platform fee function setCustomVaultFee(address vault, uint platformFee) external; /// @notice Setup Rebalancer. /// Only Goverannce or Multisig can do this when Rebalancer is not set. /// @param rebalancer_ Proxy address of Bridge function setupRebalancer(address rebalancer_) external; /// @notice Setup Bridge. /// Only Goverannce or Multisig can do this when Bridge is not set. /// @param bridge_ Proxy address of Bridge function setupBridge(address bridge_) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.23; library VaultTypeLib { string internal constant COMPOUNDING = "Compounding"; string internal constant REWARDING = "Rewarding"; string internal constant REWARDING_MANAGED = "Rewarding Managed"; string internal constant SPLITTER_MANAGED = "Splitter Managed"; string internal constant SPLITTER_AUTO = "Splitter Automatic"; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.23; import "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol"; import "@openzeppelin/contracts/utils/Strings.sol"; import "./ConstantsLib.sol"; library CommonLib { function filterAddresses( address[] memory addresses, address addressToRemove ) external pure returns (address[] memory filteredAddresses) { uint len = addresses.length; uint newLen; // nosemgrep for (uint i; i < len; ++i) { if (addresses[i] != addressToRemove) { ++newLen; } } filteredAddresses = new address[](newLen); uint k; // nosemgrep for (uint i; i < len; ++i) { if (addresses[i] != addressToRemove) { filteredAddresses[k] = addresses[i]; ++k; } } } function formatUsdAmount(uint amount) external pure returns (string memory formattedPrice) { uint dollars = amount / 10 ** 18; string memory priceStr; if (dollars >= 1000) { uint kDollars = dollars / 1000; uint kDollarsFraction = (dollars - kDollars * 1000) / 10; string memory delimiter = "."; if (kDollarsFraction < 10) { delimiter = ".0"; } priceStr = string.concat(Strings.toString(kDollars), delimiter, Strings.toString(kDollarsFraction), "k"); } else if (dollars >= 100) { priceStr = Strings.toString(dollars); } else { uint dollarsFraction = (amount - dollars * 10 ** 18) / 10 ** 14; if (dollarsFraction > 0) { string memory dollarsFractionDelimiter = "."; if (dollarsFraction < 10) { dollarsFractionDelimiter = ".000"; } else if (dollarsFraction < 100) { dollarsFractionDelimiter = ".00"; } else if (dollarsFraction < 1000) { dollarsFractionDelimiter = ".0"; } priceStr = string.concat( Strings.toString(dollars), dollarsFractionDelimiter, Strings.toString(dollarsFraction) ); } else { priceStr = Strings.toString(dollars); } } formattedPrice = string.concat("$", priceStr); } function formatApr(uint apr) external pure returns (string memory formattedApr) { uint aprInt = apr * 100 / ConstantsLib.DENOMINATOR; uint aprFraction = (apr - aprInt * ConstantsLib.DENOMINATOR / 100) / 10; string memory delimiter = "."; if (aprFraction < 10) { delimiter = ".0"; } formattedApr = string.concat(Strings.toString(aprInt), delimiter, Strings.toString(aprFraction), "%"); } function implodeSymbols( address[] memory assets, string memory delimiter ) external view returns (string memory outString) { return implode(getSymbols(assets), delimiter); } function implode(string[] memory strings, string memory delimiter) public pure returns (string memory outString) { uint len = strings.length; if (len == 0) { return ""; } outString = strings[0]; // nosemgrep for (uint i = 1; i < len; ++i) { outString = string.concat(outString, delimiter, strings[i]); } return outString; } function getSymbols(address[] memory assets) public view returns (string[] memory symbols) { uint len = assets.length; symbols = new string[](len); // nosemgrep for (uint i; i < len; ++i) { symbols[i] = IERC20Metadata(assets[i]).symbol(); } } function bytesToBytes32(bytes memory b) external pure returns (bytes32 out) { // nosemgrep for (uint i; i < b.length; ++i) { out |= bytes32(b[i] & 0xFF) >> (i * 8); } // return out; } function bToHex(bytes memory buffer) external pure returns (string memory) { // Fixed buffer size for hexadecimal convertion bytes memory converted = new bytes(buffer.length * 2); bytes memory _base = "0123456789abcdef"; uint baseLength = _base.length; // nosemgrep for (uint i; i < buffer.length; ++i) { converted[i * 2] = _base[uint8(buffer[i]) / baseLength]; converted[i * 2 + 1] = _base[uint8(buffer[i]) % baseLength]; } return string(abi.encodePacked(converted)); } function shortId(string memory id) external pure returns (string memory) { uint words = 1; bytes memory idBytes = bytes(id); uint idBytesLength = idBytes.length; // nosemgrep for (uint i; i < idBytesLength; ++i) { if (keccak256(bytes(abi.encodePacked(idBytes[i]))) == keccak256(bytes(" "))) { ++words; } } bytes memory _shortId = new bytes(words); uint k = 1; _shortId[0] = idBytes[0]; // nosemgrep for (uint i = 1; i < idBytesLength; ++i) { if (keccak256(bytes(abi.encodePacked(idBytes[i]))) == keccak256(bytes(" "))) { if (keccak256(bytes(abi.encodePacked(idBytes[i + 1]))) == keccak256(bytes("0"))) { _shortId[k] = idBytes[i + 3]; } else { _shortId[k] = idBytes[i + 1]; } ++k; } } return string(abi.encodePacked(_shortId)); } function eq(string memory a, string memory b) external pure returns (bool) { return keccak256(bytes(a)) == keccak256(bytes(b)); } function u2s(uint num) external pure returns (string memory) { return Strings.toString(num); } function i2s(int num) external pure returns (string memory) { return Strings.toString(num > 0 ? uint(num) : uint(-num)); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.21; library AmmAdapterIdLib { string public constant UNISWAPV3 = "UniswapV3"; string public constant ALGEBRA = "Algebra"; string public constant KYBER = "KyberSwap"; string public constant CURVE = "Curve"; string public constant SOLIDLY = "Solidly"; string public constant BALANCER_COMPOSABLE_STABLE = "BalancerComposableStable"; string public constant BALANCER_WEIGHTED = "BalancerWeighted"; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.23; interface IBalancerAdapter { /// @dev Add BalancerHelpers contract address function setupHelpers(address balancerHelpers) external; /// @notice Computes the maximum amount of liquidity received for given amounts of pool assets and the current /// pool price. /// This function signature can be used only for non-concentrated AMMs. /// @dev This method used instead getLiquidityForAmounts because BalancerHelpers use queryJoin /// write method. Can be used off-chain by callStatic. /// @param pool Address of a pool supported by the adapter /// @param amounts Amounts of pool assets /// @return liquidity Liquidity out value /// @return amountsConsumed Amounts of consumed assets when providing liquidity function getLiquidityForAmountsWrite( address pool, uint[] memory amounts ) external returns (uint liquidity, uint[] memory amountsConsumed); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.23; import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol"; interface IAsset {} interface IBVault { // Internal Balance // // Users can deposit tokens into the Vault, where they are allocated to their Internal Balance, and later // transferred or withdrawn. It can also be used as a source of tokens when joining Pools, as a destination // when exiting them, and as either when performing swaps. This usage of Internal Balance results in greatly reduced // gas costs when compared to relying on plain ERC20 transfers, leading to large savings for frequent users. // // Internal Balance management features batching, which means a single contract call can be used to perform multiple // operations of different kinds, with different senders and recipients, at once. /** * @dev Returns `user`'s Internal Balance for a set of tokens. */ function getInternalBalance(address user, IERC20[] calldata tokens) external view returns (uint[] memory); /** * @dev Performs a set of user balance operations, which involve Internal Balance (deposit, withdraw or transfer) * and plain ERC20 transfers using the Vault's allowance. This last feature is particularly useful for relayers, as * it lets integrators reuse a user's Vault allowance. * * For each operation, if the caller is not `sender`, it must be an authorized relayer for them. */ function manageUserBalance(UserBalanceOp[] calldata ops) external payable; /** * @dev Data for `manageUserBalance` operations, which include the possibility for ETH to be sent and received * without manual WETH wrapping or unwrapping. */ struct UserBalanceOp { UserBalanceOpKind kind; IAsset asset; uint amount; address sender; address payable recipient; } // There are four possible operations in `manageUserBalance`: // // - DEPOSIT_INTERNAL // Increases the Internal Balance of the `recipient` account by transferring tokens from the corresponding // `sender`. The sender must have allowed the Vault to use their tokens via `IERC20.approve()`. // // ETH can be used by passing the ETH sentinel value as the asset and forwarding ETH in the call: it will be wrapped // and deposited as WETH. Any ETH amount remaining will be sent back to the caller (not the sender, which is // relevant for relayers). // // Emits an `InternalBalanceChanged` event. // // // - WITHDRAW_INTERNAL // Decreases the Internal Balance of the `sender` account by transferring tokens to the `recipient`. // // ETH can be used by passing the ETH sentinel value as the asset. This will deduct WETH instead, unwrap it and send // it to the recipient as ETH. // // Emits an `InternalBalanceChanged` event. // // // - TRANSFER_INTERNAL // Transfers tokens from the Internal Balance of the `sender` account to the Internal Balance of `recipient`. // // Reverts if the ETH sentinel value is passed. // // Emits an `InternalBalanceChanged` event. // // // - TRANSFER_EXTERNAL // Transfers tokens from `sender` to `recipient`, using the Vault's ERC20 allowance. This is typically used by // relayers, as it lets them reuse a user's Vault allowance. // // Reverts if the ETH sentinel value is passed. // // Emits an `ExternalBalanceTransfer` event. enum UserBalanceOpKind { DEPOSIT_INTERNAL, WITHDRAW_INTERNAL, TRANSFER_INTERNAL, TRANSFER_EXTERNAL } /** * @dev Emitted when a user's Internal Balance changes, either from calls to `manageUserBalance`, or through * interacting with Pools using Internal Balance. * * Because Internal Balance works exclusively with ERC20 tokens, ETH deposits and withdrawals will use the WETH * address. */ event InternalBalanceChanged(address indexed user, IERC20 indexed token, int delta); /** * @dev Emitted when a user's Vault ERC20 allowance is used by the Vault to transfer tokens to an external account. */ event ExternalBalanceTransfer(IERC20 indexed token, address indexed sender, address recipient, uint amount); // Pools // // There are three specialization settings for Pools, which allow for cheaper swaps at the cost of reduced // functionality: // // - General: no specialization, suited for all Pools. IGeneralPool is used for swap request callbacks, passing the // balance of all tokens in the Pool. These Pools have the largest swap costs (because of the extra storage reads), // which increase with the number of registered tokens. // // - Minimal Swap Info: IMinimalSwapInfoPool is used instead of IGeneralPool, which saves gas by only passing the // balance of the two tokens involved in the swap. This is suitable for some pricing algorithms, like the weighted // constant product one popularized by Balancer V1. Swap costs are smaller compared to general Pools, and are // independent of the number of registered tokens. // // - Two Token: only allows two tokens to be registered. This achieves the lowest possible swap gas cost. Like // minimal swap info Pools, these are called via IMinimalSwapInfoPool. enum PoolSpecialization { GENERAL, MINIMAL_SWAP_INFO, TWO_TOKEN } /** * @dev Registers the caller account as a Pool with a given specialization setting. Returns the Pool's ID, which * is used in all Pool-related functions. Pools cannot be deregistered, nor can the Pool's specialization be * changed. * * The caller is expected to be a smart contract that implements either `IGeneralPool` or `IMinimalSwapInfoPool`, * depending on the chosen specialization setting. This contract is known as the Pool's contract. * * Note that the same contract may register itself as multiple Pools with unique Pool IDs, or in other words, * multiple Pools may share the same contract. * * Emits a `PoolRegistered` event. */ function registerPool(PoolSpecialization specialization) external returns (bytes32); /** * @dev Emitted when a Pool is registered by calling `registerPool`. */ event PoolRegistered(bytes32 indexed poolId, address indexed poolAddress, PoolSpecialization specialization); /** * @dev Returns a Pool's contract address and specialization setting. */ function getPool(bytes32 poolId) external view returns (address, PoolSpecialization); /** * @dev Registers `tokens` for the `poolId` Pool. Must be called by the Pool's contract. * * Pools can only interact with tokens they have registered. Users join a Pool by transferring registered tokens, * exit by receiving registered tokens, and can only swap registered tokens. * * Each token can only be registered once. For Pools with the Two Token specialization, `tokens` must have a length * of two, that is, both tokens must be registered in the same `registerTokens` call, and they must be sorted in * ascending order. * * The `tokens` and `assetManagers` arrays must have the same length, and each entry in these indicates the Asset * Manager for the corresponding token. Asset Managers can manage a Pool's tokens via `managePoolBalance`, * depositing and withdrawing them directly, and can even set their balance to arbitrary amounts. They are therefore * expected to be highly secured smart contracts with sound design principles, and the decision to register an * Asset Manager should not be made lightly. * * Pools can choose not to assign an Asset Manager to a given token by passing in the zero address. Once an Asset * Manager is set, it cannot be changed except by deregistering the associated token and registering again with a * different Asset Manager. * * Emits a `TokensRegistered` event. */ function registerTokens(bytes32 poolId, IERC20[] calldata tokens, address[] calldata assetManagers) external; /** * @dev Emitted when a Pool registers tokens by calling `registerTokens`. */ event TokensRegistered(bytes32 indexed poolId, IERC20[] tokens, address[] assetManagers); /** * @dev Deregisters `tokens` for the `poolId` Pool. Must be called by the Pool's contract. * * Only registered tokens (via `registerTokens`) can be deregistered. Additionally, they must have zero total * balance. For Pools with the Two Token specialization, `tokens` must have a length of two, that is, both tokens * must be deregistered in the same `deregisterTokens` call. * * A deregistered token can be re-registered later on, possibly with a different Asset Manager. * * Emits a `TokensDeregistered` event. */ function deregisterTokens(bytes32 poolId, IERC20[] calldata tokens) external; /** * @dev Emitted when a Pool deregisters tokens by calling `deregisterTokens`. */ event TokensDeregistered(bytes32 indexed poolId, IERC20[] tokens); /** * @dev Returns detailed information for a Pool's registered token. * * `cash` is the number of tokens the Vault currently holds for the Pool. `managed` is the number of tokens * withdrawn and held outside the Vault by the Pool's token Asset Manager. The Pool's total balance for `token` * equals the sum of `cash` and `managed`. * * Internally, `cash` and `managed` are stored using 112 bits. No action can ever cause a Pool's token `cash`, * `managed` or `total` balance to be greater than 2^112 - 1. * * `lastChangeBlock` is the number of the block in which `token`'s total balance was last modified (via either a * join, exit, swap, or Asset Manager update). This value is useful to avoid so-called 'sandwich attacks', for * example when developing price oracles. A change of zero (e.g. caused by a swap with amount zero) is considered a * change for this purpose, and will update `lastChangeBlock`. * * `assetManager` is the Pool's token Asset Manager. */ function getPoolTokenInfo( bytes32 poolId, IERC20 token ) external view returns (uint cash, uint managed, uint lastChangeBlock, address assetManager); /** * @dev Returns a Pool's registered tokens, the total balance for each, and the latest block when *any* of * the tokens' `balances` changed. * * The order of the `tokens` array is the same order that will be used in `joinPool`, `exitPool`, as well as in all * Pool hooks (where applicable). Calls to `registerTokens` and `deregisterTokens` may change this order. * * If a Pool only registers tokens once, and these are sorted in ascending order, they will be stored in the same * order as passed to `registerTokens`. * * Total balances include both tokens held by the Vault and those withdrawn by the Pool's Asset Managers. These are * the amounts used by joins, exits and swaps. For a detailed breakdown of token balances, use `getPoolTokenInfo` * instead. * renamed IERC20[] to address[] */ function getPoolTokens(bytes32 poolId) external view returns (address[] memory tokens, uint[] memory balances, uint lastChangeBlock); /** * @dev Called by users to join a Pool, which transfers tokens from `sender` into the Pool's balance. This will * trigger custom Pool behavior, which will typically grant something in return to `recipient` - often tokenized * Pool shares. * * If the caller is not `sender`, it must be an authorized relayer for them. * * The `assets` and `maxAmountsIn` arrays must have the same length, and each entry indicates the maximum amount * to send for each asset. The amounts to send are decided by the Pool and not the Vault: it just enforces * these maximums. * * If joining a Pool that holds WETH, it is possible to send ETH directly: the Vault will do the wrapping. To enable * this mechanism, the IAsset sentinel value (the zero address) must be passed in the `assets` array instead of the * WETH address. Note that it is not possible to combine ETH and WETH in the same join. Any excess ETH will be sent * back to the caller (not the sender, which is important for relayers). * * `assets` must have the same length and order as the array returned by `getPoolTokens`. This prevents issues when * interacting with Pools that register and deregister tokens frequently. If sending ETH however, the array must be * sorted *before* replacing the WETH address with the ETH sentinel value (the zero address), which means the final * `assets` array might not be sorted. Pools with no registered tokens cannot be joined. * * If `fromInternalBalance` is true, the caller's Internal Balance will be preferred: ERC20 transfers will only * be made for the difference between the requested amount and Internal Balance (if any). Note that ETH cannot be * withdrawn from Internal Balance: attempting to do so will trigger a revert. * * This causes the Vault to call the `IBasePool.onJoinPool` hook on the Pool's contract, where Pools implement * their own custom logic. This typically requires additional information from the user (such as the expected number * of Pool shares). This can be encoded in the `userData` argument, which is ignored by the Vault and passed * directly to the Pool's contract, as is `recipient`. * * Emits a `PoolBalanceChanged` event. */ function joinPool( bytes32 poolId, address sender, address recipient, JoinPoolRequest calldata request ) external payable; enum JoinKind { INIT, EXACT_TOKENS_IN_FOR_BPT_OUT, TOKEN_IN_FOR_EXACT_BPT_OUT } enum ExitKind { EXACT_BPT_IN_FOR_ONE_TOKEN_OUT, EXACT_BPT_IN_FOR_TOKENS_OUT, BPT_IN_FOR_EXACT_TOKENS_OUT } /// @dev modified to address[] struct JoinPoolRequest { address[] assets; uint[] maxAmountsIn; bytes userData; bool fromInternalBalance; } /** * @dev Called by users to exit a Pool, which transfers tokens from the Pool's balance to `recipient`. This will * trigger custom Pool behavior, which will typically ask for something in return from `sender` - often tokenized * Pool shares. The amount of tokens that can be withdrawn is limited by the Pool's `cash` balance (see * `getPoolTokenInfo`). * * If the caller is not `sender`, it must be an authorized relayer for them. * * The `tokens` and `minAmountsOut` arrays must have the same length, and each entry in these indicates the minimum * token amount to receive for each token contract. The amounts to send are decided by the Pool and not the Vault: * it just enforces these minimums. * * If exiting a Pool that holds WETH, it is possible to receive ETH directly: the Vault will do the unwrapping. To * enable this mechanism, the IAsset sentinel value (the zero address) must be passed in the `assets` array instead * of the WETH address. Note that it is not possible to combine ETH and WETH in the same exit. * * `assets` must have the same length and order as the array returned by `getPoolTokens`. This prevents issues when * interacting with Pools that register and deregister tokens frequently. If receiving ETH however, the array must * be sorted *before* replacing the WETH address with the ETH sentinel value (the zero address), which means the * final `assets` array might not be sorted. Pools with no registered tokens cannot be exited. * * If `toInternalBalance` is true, the tokens will be deposited to `recipient`'s Internal Balance. Otherwise, * an ERC20 transfer will be performed. Note that ETH cannot be deposited to Internal Balance: attempting to * do so will trigger a revert. * * `minAmountsOut` is the minimum amount of tokens the user expects to get out of the Pool, for each token in the * `tokens` array. This array must match the Pool's registered tokens. * * This causes the Vault to call the `IBasePool.onExitPool` hook on the Pool's contract, where Pools implement * their own custom logic. This typically requires additional information from the user (such as the expected number * of Pool shares to return). This can be encoded in the `userData` argument, which is ignored by the Vault and * passed directly to the Pool's contract. * * Emits a `PoolBalanceChanged` event. */ function exitPool( bytes32 poolId, address sender, address payable recipient, ExitPoolRequest calldata request ) external; /// @dev modified to address[] struct ExitPoolRequest { address[] assets; uint[] minAmountsOut; bytes userData; bool toInternalBalance; } /** * @dev Emitted when a user joins or exits a Pool by calling `joinPool` or `exitPool`, respectively. */ event PoolBalanceChanged( bytes32 indexed poolId, address indexed liquidityProvider, IERC20[] tokens, int[] deltas, uint[] protocolFeeAmounts ); enum PoolBalanceChangeKind { JOIN, EXIT } // Swaps // // Users can swap tokens with Pools by calling the `swap` and `batchSwap` functions. To do this, // they need not trust Pool contracts in any way: all security checks are made by the Vault. They must however be // aware of the Pools' pricing algorithms in order to estimate the prices Pools will quote. // // The `swap` function executes a single swap, while `batchSwap` can perform multiple swaps in sequence. // In each individual swap, tokens of one kind are sent from the sender to the Pool (this is the 'token in'), // and tokens of another kind are sent from the Pool to the recipient in exchange (this is the 'token out'). // More complex swaps, such as one token in to multiple tokens out can be achieved by batching together // individual swaps. // // There are two swap kinds: // - 'given in' swaps, where the amount of tokens in (sent to the Pool) is known, and the Pool determines (via the // `onSwap` hook) the amount of tokens out (to send to the recipient). // - 'given out' swaps, where the amount of tokens out (received from the Pool) is known, and the Pool determines // (via the `onSwap` hook) the amount of tokens in (to receive from the sender). // // Additionally, it is possible to chain swaps using a placeholder input amount, which the Vault replaces with // the calculated output of the previous swap. If the previous swap was 'given in', this will be the calculated // tokenOut amount. If the previous swap was 'given out', it will use the calculated tokenIn amount. These extended // swaps are known as 'multihop' swaps, since they 'hop' through a number of intermediate tokens before arriving at // the final intended token. // // In all cases, tokens are only transferred in and out of the Vault (or withdrawn from and deposited into Internal // Balance) after all individual swaps have been completed, and the net token balance change computed. This makes // certain swap patterns, such as multihops, or swaps that interact with the same token pair in multiple Pools, cost // much less gas than they would otherwise. // // It also means that under certain conditions it is possible to perform arbitrage by swapping with multiple // Pools in a way that results in net token movement out of the Vault (profit), with no tokens being sent in (only // updating the Pool's internal accounting). // // To protect users from front-running or the market changing rapidly, they supply a list of 'limits' for each token // involved in the swap, where either the maximum number of tokens to send (by passing a positive value) or the // minimum amount of tokens to receive (by passing a negative value) is specified. // // Additionally, a 'deadline' timestamp can also be provided, forcing the swap to fail if it occurs after // this point in time (e.g. if the transaction failed to be included in a block promptly). // // If interacting with Pools that hold WETH, it is possible to both send and receive ETH directly: the Vault will do // the wrapping and unwrapping. To enable this mechanism, the IAsset sentinel value (the zero address) must be // passed in the `assets` array instead of the WETH address. Note that it is possible to combine ETH and WETH in the // same swap. Any excess ETH will be sent back to the caller (not the sender, which is relevant for relayers). // // Finally, Internal Balance can be used when either sending or receiving tokens. enum SwapKind { GIVEN_IN, GIVEN_OUT } /** * @dev Performs a swap with a single Pool. * * If the swap is 'given in' (the number of tokens to send to the Pool is known), it returns the amount of tokens * taken from the Pool, which must be greater than or equal to `limit`. * * If the swap is 'given out' (the number of tokens to take from the Pool is known), it returns the amount of tokens * sent to the Pool, which must be less than or equal to `limit`. * * Internal Balance usage and the recipient are determined by the `funds` struct. * * Emits a `Swap` event. */ function swap( SingleSwap calldata singleSwap, FundManagement calldata funds, uint limit, uint deadline ) external payable returns (uint); /** * @dev Data for a single swap executed by `swap`. `amount` is either `amountIn` or `amountOut` depending on * the `kind` value. * * `assetIn` and `assetOut` are either token addresses, or the IAsset sentinel value for ETH (the zero address). * Note that Pools never interact with ETH directly: it will be wrapped to or unwrapped from WETH by the Vault. * * The `userData` field is ignored by the Vault, but forwarded to the Pool in the `onSwap` hook, and may be * used to extend swap behavior. */ struct SingleSwap { bytes32 poolId; SwapKind kind; IAsset assetIn; IAsset assetOut; uint amount; bytes userData; } /** * @dev Performs a series of swaps with one or multiple Pools. In each individual swap, the caller determines either * the amount of tokens sent to or received from the Pool, depending on the `kind` value. * * Returns an array with the net Vault asset balance deltas. Positive amounts represent tokens (or ETH) sent to the * Vault, and negative amounts represent tokens (or ETH) sent by the Vault. Each delta corresponds to the asset at * the same index in the `assets` array. * * Swaps are executed sequentially, in the order specified by the `swaps` array. Each array element describes a * Pool, the token to be sent to this Pool, the token to receive from it, and an amount that is either `amountIn` or * `amountOut` depending on the swap kind. * * Multihop swaps can be executed by passing an `amount` value of zero for a swap. This will cause the amount in/out * of the previous swap to be used as the amount in for the current one. In a 'given in' swap, 'tokenIn' must equal * the previous swap's `tokenOut`. For a 'given out' swap, `tokenOut` must equal the previous swap's `tokenIn`. * * The `assets` array contains the addresses of all assets involved in the swaps. These are either token addresses, * or the IAsset sentinel value for ETH (the zero address). Each entry in the `swaps` array specifies tokens in and * out by referencing an index in `assets`. Note that Pools never interact with ETH directly: it will be wrapped to * or unwrapped from WETH by the Vault. * * Internal Balance usage, sender, and recipient are determined by the `funds` struct. The `limits` array specifies * the minimum or maximum amount of each token the vault is allowed to transfer. * * `batchSwap` can be used to make a single swap, like `swap` does, but doing so requires more gas than the * equivalent `swap` call. * * Emits `Swap` events. */ function batchSwap( SwapKind kind, BatchSwapStep[] calldata swaps, IAsset[] calldata assets, FundManagement calldata funds, int[] calldata limits, uint deadline ) external payable returns (int[] memory); /** * @dev Data for each individual swap executed by `batchSwap`. The asset in and out fields are indexes into the * `assets` array passed to that function, and ETH assets are converted to WETH. * * If `amount` is zero, the multihop mechanism is used to determine the actual amount based on the amount in/out * from the previous swap, depending on the swap kind. * * The `userData` field is ignored by the Vault, but forwarded to the Pool in the `onSwap` hook, and may be * used to extend swap behavior. */ struct BatchSwapStep { bytes32 poolId; uint assetInIndex; uint assetOutIndex; uint amount; bytes userData; } /** * @dev Emitted for each individual swap performed by `swap` or `batchSwap`. */ event Swap(bytes32 indexed poolId, IERC20 indexed tokenIn, IERC20 indexed tokenOut, uint amountIn, uint amountOut); /** * @dev All tokens in a swap are either sent from the `sender` account to the Vault, or from the Vault to the * `recipient` account. * * If the caller is not `sender`, it must be an authorized relayer for them. * * If `fromInternalBalance` is true, the `sender`'s Internal Balance will be preferred, performing an ERC20 * transfer for the difference between the requested amount and the User's Internal Balance (if any). The `sender` * must have allowed the Vault to use their tokens via `IERC20.approve()`. This matches the behavior of * `joinPool`. * * If `toInternalBalance` is true, tokens will be deposited to `recipient`'s internal balance instead of * transferred. This matches the behavior of `exitPool`. * * Note that ETH cannot be deposited to or withdrawn from Internal Balance: attempting to do so will trigger a * revert. */ struct FundManagement { address sender; bool fromInternalBalance; address payable recipient; bool toInternalBalance; } /** * @dev Simulates a call to `batchSwap`, returning an array of Vault asset deltas. Calls to `swap` cannot be * simulated directly, but an equivalent `batchSwap` call can and will yield the exact same result. * * Each element in the array corresponds to the asset at the same index, and indicates the number of tokens (or ETH) * the Vault would take from the sender (if positive) or send to the recipient (if negative). The arguments it * receives are the same that an equivalent `batchSwap` call would receive. * * Unlike `batchSwap`, this function performs no checks on the sender or recipient field in the `funds` struct. * This makes it suitable to be called by off-chain applications via eth_call without needing to hold tokens, * approve them for the Vault, or even know a user's address. * * Note that this function is not 'view' (due to implementation details): the client code must explicitly execute * eth_call instead of eth_sendTransaction. */ function queryBatchSwap( SwapKind kind, BatchSwapStep[] calldata swaps, IAsset[] calldata assets, FundManagement calldata funds ) external returns (int[] memory assetDeltas); // BasePool.sol /** * @dev Returns the amount of BPT that would be burned from `sender` if the `onExitPool` hook were called by the * Vault with the same arguments, along with the number of tokens `recipient` would receive. * * This function is not meant to be called directly, but rather from a helper contract that fetches current Vault * data, such as the protocol swap fee percentage and Pool balances. * * Like `IVault.queryBatchSwap`, this function is not view due to internal implementation details: the caller must * explicitly use eth_call instead of eth_sendTransaction. */ function queryExit( bytes32 poolId, address sender, address recipient, uint[] memory balances, uint lastChangeBlock, uint protocolSwapFeePercentage, bytes memory userData ) external returns (uint bptIn, uint[] memory amountsOut); }
// SPDX-License-Identifier: GPL-3.0-or-later pragma solidity ^0.8.23; interface IBComposableStablePoolMinimal { /** * @dev Returns all normalized weights, in the same order as the Pool's tokens. */ function getPoolId() external view returns (bytes32); function getSwapFeePercentage() external view returns (uint); function getAmplificationParameter() external view returns (uint value, bool isUpdating, uint precision); function getScalingFactors() external view returns (uint[] memory); function getBptIndex() external view returns (uint); function getVault() external view returns (address); function updateTokenRateCache(address token) external; }
// SPDX-License-Identifier: GPL-3.0-or-later pragma solidity ^0.8.23; /// @notice gauge-v2, see 0xc9b36096f5201ea332Db35d6D195774ea0D5988f /// @dev see 20230316-child-chain-gauge-factory-v2 in balancer-deployments repository interface IBalancerGauge { event Approval(address indexed _owner, address indexed _spender, uint _value); event Transfer(address indexed _from, address indexed _to, uint _value); event Deposit(address indexed _user, uint _value); event Withdraw(address indexed _user, uint _value); event UpdateLiquidityLimit( address indexed _user, uint _original_balance, uint _original_supply, uint _working_balance, uint _working_supply ); function deposit(uint _value) external; function deposit(uint _value, address _user) external; function withdraw(uint _value) external; function withdraw(uint _value, address _user) external; function transferFrom(address _from, address _to, uint _value) external returns (bool); function approve(address _spender, uint _value) external returns (bool); function permit( address _owner, address _spender, uint _value, uint _deadline, uint8 _v, bytes32 _r, bytes32 _s ) external returns (bool); function transfer(address _to, uint _value) external returns (bool); function increaseAllowance(address _spender, uint _added_value) external returns (bool); function decreaseAllowance(address _spender, uint _subtracted_value) external returns (bool); function user_checkpoint(address addr) external returns (bool); function claimable_tokens(address addr) external returns (uint); function claimed_reward(address _addr, address _token) external view returns (uint); function claimable_reward(address _user, address _reward_token) external view returns (uint); function set_rewards_receiver(address _receiver) external; function claim_rewards() external; function claim_rewards(address _addr) external; function claim_rewards(address _addr, address _receiver) external; function claim_rewards(address _addr, address _receiver, uint[] memory _reward_indexes) external; function add_reward(address _reward_token, address _distributor) external; function set_reward_distributor(address _reward_token, address _distributor) external; function deposit_reward_token(address _reward_token, uint _amount) external; function killGauge() external; function unkillGauge() external; function decimals() external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function integrate_checkpoint() external view returns (uint); function bal_token() external view returns (address); function bal_pseudo_minter() external view returns (address); function voting_escrow_delegation_proxy() external view returns (address); function authorizer_adaptor() external view returns (address); function initialize(address _lp_token, string memory _version) external; function DOMAIN_SEPARATOR() external view returns (bytes32); function nonces(address arg0) external view returns (uint); function name() external view returns (string memory); function symbol() external view returns (string memory); function balanceOf(address arg0) external view returns (uint); function totalSupply() external view returns (uint); function lp_token() external view returns (address); function version() external view returns (string memory); function factory() external view returns (address); function working_balances(address arg0) external view returns (uint); function working_supply() external view returns (uint); function period() external view returns (uint); function period_timestamp(uint arg0) external view returns (uint); function integrate_checkpoint_of(address arg0) external view returns (uint); function integrate_fraction(address arg0) external view returns (uint); function integrate_inv_supply(uint arg0) external view returns (uint); function integrate_inv_supply_of(address arg0) external view returns (uint); function reward_count() external view returns (uint); function reward_tokens(uint arg0) external view returns (address); function reward_data(address arg0) external view returns (S_0 memory); function rewards_receiver(address arg0) external view returns (address); function reward_integral_for(address arg0, address arg1) external view returns (uint); function is_killed() external view returns (bool); function inflation_rate(uint arg0) external view returns (uint); } struct S_0 { address distributor; uint period_finish; uint rate; uint last_update; uint integral; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Permit.sol) pragma solidity ^0.8.20; /** * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612]. * * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't * need to send a transaction, and thus is not required to hold Ether at all. * * ==== Security Considerations * * There are two important considerations concerning the use of `permit`. The first is that a valid permit signature * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be * considered as an intention to spend the allowance in any specific way. The second is that because permits have * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be * generally recommended is: * * ```solidity * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public { * try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {} * doThing(..., value); * } * * function doThing(..., uint256 value) public { * token.safeTransferFrom(msg.sender, address(this), value); * ... * } * ``` * * Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also * {SafeERC20-safeTransferFrom}). * * Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so * contracts should have entry points that don't rely on permit. */ interface IERC20Permit { /** * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens, * given ``owner``'s signed approval. * * IMPORTANT: The same issues {IERC20-approve} has related to transaction * ordering also apply here. * * Emits an {Approval} event. * * Requirements: * * - `spender` cannot be the zero address. * - `deadline` must be a timestamp in the future. * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner` * over the EIP712-formatted function arguments. * - the signature must use ``owner``'s current nonce (see {nonces}). * * For more information on the signature format, see the * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP * section]. * * CAUTION: See Security Considerations above. */ function permit( address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) external; /** * @dev Returns the current nonce for `owner`. This value must be * included whenever a signature is generated for {permit}. * * Every successful call to {permit} increases ``owner``'s nonce by one. This * prevents a signature from being used multiple times. */ function nonces(address owner) external view returns (uint256); /** * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}. */ // solhint-disable-next-line func-name-mixedcase function DOMAIN_SEPARATOR() external view returns (bytes32); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/Address.sol) pragma solidity ^0.8.20; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev The ETH balance of the account is not enough to perform the operation. */ error AddressInsufficientBalance(address account); /** * @dev There's no code at `target` (it is not a contract). */ error AddressEmptyCode(address target); /** * @dev A call to an address target failed. The target may have reverted. */ error FailedInnerCall(); /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { if (address(this).balance < amount) { revert AddressInsufficientBalance(address(this)); } (bool success, ) = recipient.call{value: amount}(""); if (!success) { revert FailedInnerCall(); } } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason or custom error, it is bubbled * up by this function (like regular Solidity function calls). However, if * the call reverted with no returned reason, this function reverts with a * {FailedInnerCall} error. * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCallWithValue(target, data, 0); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { if (address(this).balance < value) { revert AddressInsufficientBalance(address(this)); } (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResultFromTarget(target, success, returndata); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResultFromTarget(target, success, returndata); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResultFromTarget(target, success, returndata); } /** * @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target * was not a contract or bubbling up the revert reason (falling back to {FailedInnerCall}) in case of an * unsuccessful call. */ function verifyCallResultFromTarget( address target, bool success, bytes memory returndata ) internal view returns (bytes memory) { if (!success) { _revert(returndata); } else { // only check if target is a contract if the call was successful and the return data is empty // otherwise we already know that it was a contract if (returndata.length == 0 && target.code.length == 0) { revert AddressEmptyCode(target); } return returndata; } } /** * @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the * revert reason or with a default {FailedInnerCall} error. */ function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) { if (!success) { _revert(returndata); } else { return returndata; } } /** * @dev Reverts with returndata if present. Otherwise reverts with {FailedInnerCall}. */ function _revert(bytes memory returndata) private pure { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert FailedInnerCall(); } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.23; import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol"; import "@openzeppelin/contracts/utils/introspection/ERC165.sol"; import "../libs/SlotsLib.sol"; import "../../interfaces/IControllable.sol"; import "../../interfaces/IPlatform.sol"; /// @dev Base core contract. /// It store an immutable platform proxy address in the storage and provides access control to inherited contracts. /// @author Alien Deployer (https://github.com/a17) /// @author 0xhokugava (https://github.com/0xhokugava) abstract contract Controllable is Initializable, IControllable, ERC165 { using SlotsLib for bytes32; string public constant CONTROLLABLE_VERSION = "1.0.0"; bytes32 internal constant _PLATFORM_SLOT = bytes32(uint(keccak256("eip1967.controllable.platform")) - 1); bytes32 internal constant _CREATED_BLOCK_SLOT = bytes32(uint(keccak256("eip1967.controllable.created_block")) - 1); /// @dev Prevent implementation init constructor() { _disableInitializers(); } /// @notice Initialize contract after setup it as proxy implementation /// Save block.timestamp in the "created" variable /// @dev Use it only once after first logic setup /// @param platform_ Platform address //slither-disable-next-line naming-convention function __Controllable_init(address platform_) internal onlyInitializing { if (platform_ == address(0) || IPlatform(platform_).multisig() == address(0)) { revert IncorrectZeroArgument(); } SlotsLib.set(_PLATFORM_SLOT, platform_); // syntax for forge coverage _CREATED_BLOCK_SLOT.set(block.number); emit ContractInitialized(platform_, block.timestamp, block.number); } modifier onlyGovernance() { _requireGovernance(); _; } modifier onlyMultisig() { _requireMultisig(); _; } modifier onlyGovernanceOrMultisig() { _requireGovernanceOrMultisig(); _; } modifier onlyOperator() { _requireOperator(); _; } modifier onlyFactory() { _requireFactory(); _; } // ************* SETTERS/GETTERS ******************* /// @inheritdoc IControllable function platform() public view override returns (address) { return _PLATFORM_SLOT.getAddress(); } /// @inheritdoc IControllable function createdBlock() external view override returns (uint) { return _CREATED_BLOCK_SLOT.getUint(); } /// @inheritdoc IERC165 function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IControllable).interfaceId || super.supportsInterface(interfaceId); } function _requireGovernance() internal view { if (IPlatform(platform()).governance() != msg.sender) { revert NotGovernance(); } } function _requireMultisig() internal view { if (!IPlatform(platform()).isOperator(msg.sender)) { revert NotMultisig(); } } function _requireGovernanceOrMultisig() internal view { IPlatform _platform = IPlatform(platform()); // nosemgrep if (_platform.governance() != msg.sender && _platform.multisig() != msg.sender) { revert NotGovernanceAndNotMultisig(); } } function _requireOperator() internal view { if (!IPlatform(platform()).isOperator(msg.sender)) { revert NotOperator(); } } function _requireFactory() internal view { if (IPlatform(platform()).factory() != msg.sender) { revert NotFactory(); } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.23; import "./IStrategy.sol"; /// @notice Vault core interface. /// Derived implementations can be effective for building tokenized vaults with single or multiple underlying liquidity mining position. /// Fungible, static non-fungible and actively re-balancing liquidity is supported, as well as single token liquidity provided to lending protocols. /// Vaults can be used for active concentrated liquidity management and market making. /// @author Jude (https://github.com/iammrjude) /// @author JodsMigel (https://github.com/JodsMigel) interface IVault is IERC165 { /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* CUSTOM ERRORS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ error NotEnoughBalanceToPay(); error FuseTrigger(); error ExceedSlippage(uint mintToUser, uint minToMint); error ExceedSlippageExactAsset(address asset, uint mintToUser, uint minToMint); error ExceedMaxSupply(uint maxSupply); error NotEnoughAmountToInitSupply(uint mintAmount, uint initialShares); error WaitAFewBlocks(); error StrategyZeroDeposit(); error NotSupported(); /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* EVENTS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ event DepositAssets(address indexed account, address[] assets, uint[] amounts, uint mintAmount); event WithdrawAssets( address indexed sender, address indexed owner, address[] assets, uint sharesAmount, uint[] amountsOut ); event HardWorkGas(uint gasUsed, uint gasCost, bool compensated); event DoHardWorkOnDepositChanged(bool oldValue, bool newValue); event MaxSupply(uint maxShares); event VaultName(string newName); event VaultSymbol(string newSymbol); event MintFees( uint vaultManagerReceiverFee, uint strategyLogicReceiverFee, uint ecosystemRevenueReceiverFee, uint multisigReceiverFee ); /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* DATA TYPES */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @custom:storage-location erc7201:stability.VaultBase struct VaultBaseStorage { /// @dev Prevents manipulations with deposit and withdraw in short time. /// For simplification we are setup new withdraw request on each deposit/transfer. mapping(address msgSender => uint blockNumber) withdrawRequests; /// @inheritdoc IVault IStrategy strategy; /// @inheritdoc IVault uint maxSupply; /// @inheritdoc IVault uint tokenId; /// @inheritdoc IVault bool doHardWorkOnDeposit; /// @dev Immutable vault type ID string _type; /// @dev Changed ERC20 name string changedName; /// @dev Changed ERC20 symbol string changedSymbol; } /// @title Vault Initialization Data /// @notice Data structure containing parameters for initializing a new vault. /// @dev This struct is commonly used as a parameter for the `initialize` function in vault contracts. /// @param platform Platform address providing access control, infrastructure addresses, fee settings, and upgrade capability. /// @param strategy Immutable strategy proxy used by the vault. /// @param name ERC20 name for the vault token. /// @param symbol ERC20 symbol for the vault token. /// @param tokenId NFT ID associated with the VaultManager. /// @param vaultInitAddresses Array of addresses used during vault initialization. /// @param vaultInitNums Array of uint values corresponding to initialization parameters. struct VaultInitializationData { address platform; address strategy; string name; string symbol; uint tokenId; address[] vaultInitAddresses; uint[] vaultInitNums; } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* VIEW FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @notice Immutable vault type ID function vaultType() external view returns (string memory); /// @return uniqueInitAddresses Return required unique init addresses /// @return uniqueInitNums Return required unique init nums function getUniqueInitParamLength() external view returns (uint uniqueInitAddresses, uint uniqueInitNums); /// @notice Vault type extra data /// @return Vault type color, background color and other extra data function extra() external view returns (bytes32); /// @notice Immutable strategy proxy used by the vault /// @return Linked strategy function strategy() external view returns (IStrategy); /// @notice Max supply of shares in the vault. /// Since the starting share price is $1, this ceiling can be considered as an approximate TVL limit. /// @return Max total supply of vault function maxSupply() external view returns (uint); /// @dev VaultManager token ID. This tokenId earn feeVaultManager provided by Platform. function tokenId() external view returns (uint); /// @dev Trigger doHardwork on invest action. Enabled by default. function doHardWorkOnDeposit() external view returns (bool); /// @dev USD price of share with 18 decimals. /// ONLY FOR OFF-CHAIN USE. /// Not trusted vault share price can be manipulated. /// @return price_ Price of 1e18 shares with 18 decimals precision /// @return trusted True means oracle price, false means AMM spot price function price() external view returns (uint price_, bool trusted); /// @dev USD price of assets managed by strategy with 18 decimals /// ONLY FOR OFF-CHAIN USE. /// Not trusted TVL can be manipulated. /// @return tvl_ Total USD value of final assets in vault /// @return trusted True means TVL calculated based only on oracle prices, false means AMM spot price was used. function tvl() external view returns (uint tvl_, bool trusted); /// @dev Calculation of consumed amounts, shares amount and liquidity/underlying value for provided available amounts of strategy assets /// @param assets_ Assets suitable for vault strategy. Can be strategy assets, underlying asset or specific set of assets depending on strategy logic. /// @param amountsMax Available amounts of assets_ that user wants to invest in vault /// @return amountsConsumed Amounts of strategy assets that can be deposited by providing amountsMax /// @return sharesOut Amount of vault shares that will be minted /// @return valueOut Liquidity value or underlying token amount that will be received by the strategy function previewDepositAssets( address[] memory assets_, uint[] memory amountsMax ) external view returns (uint[] memory amountsConsumed, uint sharesOut, uint valueOut); /// @notice All available data on the latest declared APR (annual percentage rate) /// @return totalApr Total APR of investing money to vault. 18 decimals: 1e18 - +100% per year. /// @return strategyApr Strategy investmnt APR declared on last HardWork. /// @return assetsWithApr Assets with underlying APR /// @return assetsAprs Underlying APR of asset function getApr() external view returns (uint totalApr, uint strategyApr, address[] memory assetsWithApr, uint[] memory assetsAprs); /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* WRITE FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Mint fee shares callback /// @param revenueAssets Assets returned by _claimRevenue function that was earned during HardWork /// @param revenueAmounts Assets amounts returned from _claimRevenue function that was earned during HardWork /// Only strategy can call this function hardWorkMintFeeCallback(address[] memory revenueAssets, uint[] memory revenueAmounts) external; /// @dev Deposit final assets (pool assets) to the strategy and minting of vault shares. /// If the strategy interacts with a pool or farms through an underlying token, then it will be minted. /// Emits a {DepositAssets} event with consumed amounts. /// @param assets_ Assets suitable for the strategy. Can be strategy assets, underlying asset or specific set of assets depending on strategy logic. /// @param amountsMax Available amounts of assets_ that user wants to invest in vault /// @param minSharesOut Slippage tolerance. Minimal shares amount which must be received by user. /// @param receiver Receiver of deposit. If receiver is zero address, receiver is msg.sender. function depositAssets( address[] memory assets_, uint[] memory amountsMax, uint minSharesOut, address receiver ) external; /// @dev Burning shares of vault and obtaining strategy assets. /// @param assets_ Assets suitable for the strategy. Can be strategy assets, underlying asset or specific set of assets depending on strategy logic. /// @param amountShares Shares amount for burning /// @param minAssetAmountsOut Slippage tolerance. Minimal amounts of strategy assets that user must receive. /// @return Amount of assets for withdraw. It's related to assets_ one-by-one. function withdrawAssets( address[] memory assets_, uint amountShares, uint[] memory minAssetAmountsOut ) external returns (uint[] memory); /// @dev Burning shares of vault and obtaining strategy assets. /// @param assets_ Assets suitable for the strategy. Can be strategy assets, underlying asset or specific set of assets depending on strategy logic. /// @param amountShares Shares amount for burning /// @param minAssetAmountsOut Slippage tolerance. Minimal amounts of strategy assets that user must receive. /// @param receiver Receiver of assets /// @param owner Owner of vault shares /// @return Amount of assets for withdraw. It's related to assets_ one-by-one. function withdrawAssets( address[] memory assets_, uint amountShares, uint[] memory minAssetAmountsOut, address receiver, address owner ) external returns (uint[] memory); /// @dev Setting of vault capacity /// @param maxShares If totalSupply() exceeds this value, deposits will not be possible function setMaxSupply(uint maxShares) external; /// @dev If activated will call doHardWork on strategy on some deposit actions /// @param value HardWork on deposit is enabled function setDoHardWorkOnDeposit(bool value) external; /// @notice Initialization function for the vault. /// @dev This function is usually called by the Factory during the creation of a new vault. /// @param vaultInitializationData Data structure containing parameters for vault initialization. function initialize(VaultInitializationData memory vaultInitializationData) external; /// @dev Calling the strategy HardWork by operator with optional compensation for spent gas from the vault balance function doHardWork() external; /// @dev Changing ERC20 name of vault function setName(string calldata newName) external; /// @dev Changing ERC20 symbol of vault function setSymbol(string calldata newSymbol) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.23; import "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol"; import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol"; import "../../core/libs/CommonLib.sol"; import "../../core/libs/VaultTypeLib.sol"; import "../../core/libs/ConstantsLib.sol"; import "../../interfaces/ILPStrategy.sol"; import "../../interfaces/IPlatform.sol"; import "../../interfaces/IFactory.sol"; import "../../interfaces/ISwapper.sol"; import "../../interfaces/IRVault.sol"; library LPStrategyLib { using SafeERC20 for IERC20; uint internal constant SWAP_ASSETS_PRICE_IMPACT_TOLERANCE = 4_000; struct ProcessRevenueVars { string vaultYpe; uint compoundRatio; address bbToken; uint bbAmountBefore; } struct SwapForDepositProportionVars { ISwapper swapper; uint price; uint balance0; uint balance1; uint asset1decimals; uint threshold0; uint threshold1; } function LPStrategyBase_init( ILPStrategy.LPStrategyBaseStorage storage $, address platform, ILPStrategy.LPStrategyBaseInitParams memory params, string memory ammAdapterId ) external returns (address[] memory _assets, uint exchangeAssetIndex) { IPlatform.AmmAdapter memory ammAdapterData = IPlatform(platform).ammAdapter(keccak256(bytes(ammAdapterId))); if (ammAdapterData.proxy == address(0)) { revert ILPStrategy.ZeroAmmAdapter(); } IAmmAdapter ammAdapter = IAmmAdapter(ammAdapterData.proxy); _assets = ammAdapter.poolTokens(params.pool); uint len = _assets.length; exchangeAssetIndex = IFactory(IPlatform(platform).factory()).getExchangeAssetIndex(_assets); address swapper = IPlatform(params.platform).swapper(); // nosemgrep for (uint i; i < len; ++i) { IERC20(_assets[i]).forceApprove(swapper, type(uint).max); } $._feesOnBalance = new uint[](_assets.length); $.pool = params.pool; $.ammAdapter = ammAdapter; } function checkPreviewDepositAssets( address[] memory assets_, address[] memory _assets, uint[] memory amountsMax ) external pure { if (_assets.length != amountsMax.length) { revert ILPStrategy.IncorrectAmountsLength(); } checkAssets(assets_, _assets); } function checkAssets(address[] memory assets_, address[] memory _assets) public pure { uint len = assets_.length; if (len != _assets.length) { revert ILPStrategy.IncorrectAssetsLength(); } // nosemgrep for (uint i; i < len; ++i) { if (assets_[i] != _assets[i]) { revert ILPStrategy.IncorrectAssets(); } } } /// @dev For now this support only pools of 2 tokens function processRevenue( address platform, address vault, IAmmAdapter ammAdapter, uint exchangeAssetIndex, address pool, address[] memory assets_, uint[] memory amountsRemaining ) external returns (bool needCompound) { needCompound = true; ProcessRevenueVars memory vars; vars.vaultYpe = IVault(vault).vaultType(); if ( CommonLib.eq(vars.vaultYpe, VaultTypeLib.REWARDING) || CommonLib.eq(vars.vaultYpe, VaultTypeLib.REWARDING_MANAGED) ) { IRVault rVault = IRVault(vault); vars.compoundRatio = rVault.compoundRatio(); vars.bbToken = rVault.bbToken(); vars.bbAmountBefore = _balance(vars.bbToken); { uint otherAssetIndex = exchangeAssetIndex == 0 ? 1 : 0; uint exchangeAssetBBAmount = (ConstantsLib.DENOMINATOR - vars.compoundRatio) * amountsRemaining[exchangeAssetIndex] / ConstantsLib.DENOMINATOR; uint otherAssetBBAmount = (ConstantsLib.DENOMINATOR - vars.compoundRatio) * amountsRemaining[otherAssetIndex] / ConstantsLib.DENOMINATOR; // try to make less swaps if (otherAssetBBAmount > 0) { if (exchangeAssetBBAmount > 0) { uint otherAssetBBAmountPrice = ammAdapter.getPrice(pool, assets_[otherAssetIndex], address(0), otherAssetBBAmount); uint exchangeAssetAmountRemaining = amountsRemaining[exchangeAssetIndex] - exchangeAssetBBAmount; if (otherAssetBBAmountPrice <= exchangeAssetAmountRemaining) { otherAssetBBAmount = 0; exchangeAssetBBAmount += otherAssetBBAmountPrice; } } } ISwapper swapper = ISwapper(IPlatform(platform).swapper()); if (exchangeAssetBBAmount > 0) { if (assets_[exchangeAssetIndex] != vars.bbToken) { if (exchangeAssetBBAmount > swapper.threshold(assets_[exchangeAssetIndex])) { swapper.swap( assets_[exchangeAssetIndex], vars.bbToken, exchangeAssetBBAmount, SWAP_ASSETS_PRICE_IMPACT_TOLERANCE ); } } else { vars.bbAmountBefore -= exchangeAssetBBAmount; } } if (otherAssetBBAmount > 0) { if (assets_[otherAssetIndex] != vars.bbToken) { if (otherAssetBBAmount > swapper.threshold(assets_[otherAssetIndex])) { swapper.swap( assets_[otherAssetIndex], vars.bbToken, otherAssetBBAmount, SWAP_ASSETS_PRICE_IMPACT_TOLERANCE ); } } else { vars.bbAmountBefore -= otherAssetBBAmount; } } } uint bbAmount = _balance(vars.bbToken) - vars.bbAmountBefore; if (bbAmount > 0) { _approveIfNeeded(vars.bbToken, bbAmount, vault); rVault.notifyTargetRewardAmount(0, bbAmount); } if (vars.compoundRatio == 0) { needCompound = false; } } } /// @dev For now this support only pools of 2 tokens function swapForDepositProportion( address platform, IAmmAdapter ammAdapter, address _pool, address[] memory assets, uint prop0Pool ) external returns (uint[] memory amountsToDeposit) { amountsToDeposit = new uint[](2); SwapForDepositProportionVars memory vars; vars.swapper = ISwapper(IPlatform(platform).swapper()); vars.price = ammAdapter.getPrice(_pool, assets[1], address(0), 0); vars.balance0 = _balance(assets[0]); vars.balance1 = _balance(assets[1]); vars.asset1decimals = IERC20Metadata(assets[1]).decimals(); vars.threshold0 = vars.swapper.threshold(assets[0]); vars.threshold1 = vars.swapper.threshold(assets[1]); if (vars.balance0 > vars.threshold0 || vars.balance1 > vars.threshold1) { uint balance1PricedInAsset0 = vars.balance1 * vars.price / 10 ** vars.asset1decimals; // here is change LPStrategyBase 1.0.3 // removed such code: `if (!(vars.balance1 > 0 && balance1PricedInAsset0 == 0)) {` // because in setup where one of asset if reward asset this condition not work uint prop0Balances = vars.balance1 > 0 ? vars.balance0 * 1e18 / (balance1PricedInAsset0 + vars.balance0) : 1e18; if (prop0Balances > prop0Pool) { // extra assets[0] uint correctAsset0Balance = (vars.balance0 + balance1PricedInAsset0) * prop0Pool / 1e18; uint toSwapAsset0 = vars.balance0 - correctAsset0Balance; // this is correct too, but difficult to understand.. // uint correctAsset0Balance = vars.balance1 * 1e18 / (1e18 - prop0Pool) * prop0Pool / 1e18 // * vars.price / 10 ** vars.asset1decimals; // uint extraBalance = vars.balance0 - correctAsset0Balance; // uint toSwapAsset0 = extraBalance - extraBalance * prop0Pool / 1e18; // swap assets[0] to assets[1] if (toSwapAsset0 > vars.threshold0) { vars.swapper.swap(assets[0], assets[1], toSwapAsset0, SWAP_ASSETS_PRICE_IMPACT_TOLERANCE); } } else if (prop0Pool > 0) { // extra assets[1] uint correctAsset1Balance = vars.balance0 * 1e18 / prop0Pool * (1e18 - prop0Pool) / 1e18 * 10 ** vars.asset1decimals / vars.price; uint extraBalance = vars.balance1 - correctAsset1Balance; uint toSwapAsset1 = extraBalance * prop0Pool / 1e18; // swap assets[1] to assets[0] if (toSwapAsset1 > vars.threshold1) { vars.swapper.swap(assets[1], assets[0], toSwapAsset1, SWAP_ASSETS_PRICE_IMPACT_TOLERANCE); } } amountsToDeposit[0] = _balance(assets[0]); amountsToDeposit[1] = _balance(assets[1]); } } function _balance(address token) internal view returns (uint) { return IERC20(token).balanceOf(address(this)); } /// @notice Make infinite approve of {token} to {spender} if the approved amount is less than {amount} /// @dev Should NOT be used for third-party pools function _approveIfNeeded(address token, uint amount, address spender) internal { if (IERC20(token).allowance(address(this), spender) < amount) { // infinite approve, 2*255 is more gas efficient then type(uint).max IERC20(token).forceApprove(spender, 2 ** 255); } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.23; /// @notice On-chain price quoter and swapper by predefined routes /// @author Alien Deployer (https://github.com/a17) /// @author Jude (https://github.com/iammrjude) /// @author JodsMigel (https://github.com/JodsMigel) /// @author 0xhokugava (https://github.com/0xhokugava) interface ISwapper { event Swap(address indexed tokenIn, address indexed tokenOut, uint amount); event PoolAdded(PoolData poolData, bool assetAdded); event PoolRemoved(address token); event BlueChipAdded(PoolData poolData); event ThresholdChanged(address[] tokenIn, uint[] thresholdAmount); event BlueChipPoolRemoved(address tokenIn, address tokenOut); //region ----- Custom Errors ----- error UnknownAMMAdapter(); error LessThenThreshold(uint minimumAmount); error NoRouteFound(); error NoRoutesForAssets(); //endregion -- Custom Errors ----- struct PoolData { address pool; address ammAdapter; address tokenIn; address tokenOut; } struct AddPoolData { address pool; string ammAdapterId; address tokenIn; address tokenOut; } /// @notice All assets in pools added to Swapper /// @return Addresses of assets function assets() external view returns (address[] memory); /// @notice All blue chip assets in blue chip pools added to Swapper /// @return Addresses of blue chip assets function bcAssets() external view returns (address[] memory); /// @notice All assets in Swapper /// @return Addresses of assets and blue chip assets function allAssets() external view returns (address[] memory); /// @notice Add pools with largest TVL /// @param pools Largest pools with AMM adapter addresses /// @param rewrite Rewrite pool for tokenIn function addPools(PoolData[] memory pools, bool rewrite) external; /// @notice Add pools with largest TVL /// @param pools Largest pools with AMM adapter ID string /// @param rewrite Rewrite pool for tokenIn function addPools(AddPoolData[] memory pools, bool rewrite) external; /// @notice Add largest pools with the most popular tokens on the current network /// @param pools_ PoolData array with pool, tokens and AMM adapter address /// @param rewrite Change exist pool records function addBlueChipsPools(PoolData[] memory pools_, bool rewrite) external; /// @notice Add largest pools with the most popular tokens on the current network /// @param pools_ AddPoolData array with pool, tokens and AMM adapter string ID /// @param rewrite Change exist pool records function addBlueChipsPools(AddPoolData[] memory pools_, bool rewrite) external; /// @notice Retrieves pool data for a specified token swap in Blue Chip Pools. /// @dev This function provides information about the pool associated with the specified input and output tokens. /// @param tokenIn The input token address. /// @param tokenOut The output token address. /// @return poolData The data structure containing information about the Blue Chip Pool. /// @custom:opcodes view function blueChipsPools(address tokenIn, address tokenOut) external view returns (PoolData memory poolData); /// @notice Set swap threshold for token /// @dev Prevents dust swap. /// @param tokenIn Swap input token /// @param thresholdAmount Minimum amount of token for executing swap function setThresholds(address[] memory tokenIn, uint[] memory thresholdAmount) external; /// @notice Swap threshold for token /// @param token Swap input token /// @return threshold_ Minimum amount of token for executing swap function threshold(address token) external view returns (uint threshold_); /// @notice Price of given tokenIn against tokenOut /// @param tokenIn Swap input token /// @param tokenOut Swap output token /// @param amount Amount of tokenIn. If provide zero then amount is 1.0. /// @return Amount of tokenOut with decimals of tokenOut function getPrice(address tokenIn, address tokenOut, uint amount) external view returns (uint); /// @notice Return price the first poolData.tokenIn against the last poolData.tokenOut in decimals of tokenOut. /// @param route Array of pool address, swapper address tokenIn, tokenOut /// @param amount Amount of tokenIn. If provide zero then amount is 1.0. function getPriceForRoute(PoolData[] memory route, uint amount) external view returns (uint); /// @notice Check possibility of swap tokenIn for tokenOut /// @param tokenIn Swap input token /// @param tokenOut Swap output token /// @return Swap route exists function isRouteExist(address tokenIn, address tokenOut) external view returns (bool); /// @notice Build route for swap. No reverts inside. /// @param tokenIn Swap input token /// @param tokenOut Swap output token /// @return route Array of pools for swap tokenIn to tokenOut. Zero length indicate an error. /// @return errorMessage Possible reason why the route was not found. Empty for success routes. function buildRoute( address tokenIn, address tokenOut ) external view returns (PoolData[] memory route, string memory errorMessage); /// @notice Sell tokenIn for tokenOut /// @dev Assume approve on this contract exist /// @param tokenIn Swap input token /// @param tokenOut Swap output token /// @param amount Amount of tokenIn for swap. /// @param priceImpactTolerance Price impact tolerance. Must include fees at least. Denominator is 100_000. function swap(address tokenIn, address tokenOut, uint amount, uint priceImpactTolerance) external; /// @notice Swap by predefined route /// @param route Array of pool address, swapper address tokenIn, tokenOut. /// TokenIn from first item will be swaped to tokenOut of last . /// @param amount Amount of first item tokenIn. /// @param priceImpactTolerance Price impact tolerance. Must include fees at least. Denominator is 100_000. function swapWithRoute(PoolData[] memory route, uint amount, uint priceImpactTolerance) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/ERC20.sol) pragma solidity ^0.8.20; import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol"; import {IERC20Metadata} from "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol"; import {ContextUpgradeable} from "../../utils/ContextUpgradeable.sol"; import {IERC20Errors} from "@openzeppelin/contracts/interfaces/draft-IERC6093.sol"; import {Initializable} from "../../proxy/utils/Initializable.sol"; /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * * TIP: For a detailed writeup see our guide * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * The default value of {decimals} is 18. To change this, you should override * this function so it returns a different value. * * We have followed general OpenZeppelin Contracts guidelines: functions revert * instead returning `false` on failure. This behavior is nonetheless * conventional and does not conflict with the expectations of ERC20 * applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. */ abstract contract ERC20Upgradeable is Initializable, ContextUpgradeable, IERC20, IERC20Metadata, IERC20Errors { /// @custom:storage-location erc7201:openzeppelin.storage.ERC20 struct ERC20Storage { mapping(address account => uint256) _balances; mapping(address account => mapping(address spender => uint256)) _allowances; uint256 _totalSupply; string _name; string _symbol; } // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.ERC20")) - 1)) & ~bytes32(uint256(0xff)) bytes32 private constant ERC20StorageLocation = 0x52c63247e1f47db19d5ce0460030c497f067ca4cebf71ba98eeadabe20bace00; function _getERC20Storage() private pure returns (ERC20Storage storage $) { assembly { $.slot := ERC20StorageLocation } } /** * @dev Sets the values for {name} and {symbol}. * * All two of these values are immutable: they can only be set once during * construction. */ function __ERC20_init(string memory name_, string memory symbol_) internal onlyInitializing { __ERC20_init_unchained(name_, symbol_); } function __ERC20_init_unchained(string memory name_, string memory symbol_) internal onlyInitializing { ERC20Storage storage $ = _getERC20Storage(); $._name = name_; $._symbol = symbol_; } /** * @dev Returns the name of the token. */ function name() public view virtual returns (string memory) { ERC20Storage storage $ = _getERC20Storage(); return $._name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view virtual returns (string memory) { ERC20Storage storage $ = _getERC20Storage(); return $._symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5.05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the default value returned by this function, unless * it's overridden. * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view virtual returns (uint8) { return 18; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view virtual returns (uint256) { ERC20Storage storage $ = _getERC20Storage(); return $._totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view virtual returns (uint256) { ERC20Storage storage $ = _getERC20Storage(); return $._balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `to` cannot be the zero address. * - the caller must have a balance of at least `value`. */ function transfer(address to, uint256 value) public virtual returns (bool) { address owner = _msgSender(); _transfer(owner, to, value); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public view virtual returns (uint256) { ERC20Storage storage $ = _getERC20Storage(); return $._allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * NOTE: If `value` is the maximum `uint256`, the allowance is not updated on * `transferFrom`. This is semantically equivalent to an infinite approval. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 value) public virtual returns (bool) { address owner = _msgSender(); _approve(owner, spender, value); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}. * * NOTE: Does not update the allowance if the current allowance * is the maximum `uint256`. * * Requirements: * * - `from` and `to` cannot be the zero address. * - `from` must have a balance of at least `value`. * - the caller must have allowance for ``from``'s tokens of at least * `value`. */ function transferFrom(address from, address to, uint256 value) public virtual returns (bool) { address spender = _msgSender(); _spendAllowance(from, spender, value); _transfer(from, to, value); return true; } /** * @dev Moves a `value` amount of tokens from `from` to `to`. * * This internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * NOTE: This function is not virtual, {_update} should be overridden instead. */ function _transfer(address from, address to, uint256 value) internal { if (from == address(0)) { revert ERC20InvalidSender(address(0)); } if (to == address(0)) { revert ERC20InvalidReceiver(address(0)); } _update(from, to, value); } /** * @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from` * (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding * this function. * * Emits a {Transfer} event. */ function _update(address from, address to, uint256 value) internal virtual { ERC20Storage storage $ = _getERC20Storage(); if (from == address(0)) { // Overflow check required: The rest of the code assumes that totalSupply never overflows $._totalSupply += value; } else { uint256 fromBalance = $._balances[from]; if (fromBalance < value) { revert ERC20InsufficientBalance(from, fromBalance, value); } unchecked { // Overflow not possible: value <= fromBalance <= totalSupply. $._balances[from] = fromBalance - value; } } if (to == address(0)) { unchecked { // Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply. $._totalSupply -= value; } } else { unchecked { // Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256. $._balances[to] += value; } } emit Transfer(from, to, value); } /** * @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address(0). * Relies on the `_update` mechanism * * Emits a {Transfer} event with `from` set to the zero address. * * NOTE: This function is not virtual, {_update} should be overridden instead. */ function _mint(address account, uint256 value) internal { if (account == address(0)) { revert ERC20InvalidReceiver(address(0)); } _update(address(0), account, value); } /** * @dev Destroys a `value` amount of tokens from `account`, lowering the total supply. * Relies on the `_update` mechanism. * * Emits a {Transfer} event with `to` set to the zero address. * * NOTE: This function is not virtual, {_update} should be overridden instead */ function _burn(address account, uint256 value) internal { if (account == address(0)) { revert ERC20InvalidSender(address(0)); } _update(account, address(0), value); } /** * @dev Sets `value` as the allowance of `spender` over the `owner` s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. * * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument. */ function _approve(address owner, address spender, uint256 value) internal { _approve(owner, spender, value, true); } /** * @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event. * * By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by * `_spendAllowance` during the `transferFrom` operation set the flag to false. This saves gas by not emitting any * `Approval` event during `transferFrom` operations. * * Anyone who wishes to continue emitting `Approval` events on the`transferFrom` operation can force the flag to * true using the following override: * ``` * function _approve(address owner, address spender, uint256 value, bool) internal virtual override { * super._approve(owner, spender, value, true); * } * ``` * * Requirements are the same as {_approve}. */ function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual { ERC20Storage storage $ = _getERC20Storage(); if (owner == address(0)) { revert ERC20InvalidApprover(address(0)); } if (spender == address(0)) { revert ERC20InvalidSpender(address(0)); } $._allowances[owner][spender] = value; if (emitEvent) { emit Approval(owner, spender, value); } } /** * @dev Updates `owner` s allowance for `spender` based on spent `value`. * * Does not update the allowance value in case of infinite allowance. * Revert if not enough allowance is available. * * Does not emit an {Approval} event. */ function _spendAllowance(address owner, address spender, uint256 value) internal virtual { uint256 currentAllowance = allowance(owner, spender); if (currentAllowance != type(uint256).max) { if (currentAllowance < value) { revert ERC20InsufficientAllowance(spender, currentAllowance, value); } unchecked { _approve(owner, spender, currentAllowance - value, false); } } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/math/Math.sol) pragma solidity ^0.8.20; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { /** * @dev Muldiv operation overflow. */ error MathOverflowedMulDiv(); enum Rounding { Floor, // Toward negative infinity Ceil, // Toward positive infinity Trunc, // Toward zero Expand // Away from zero } /** * @dev Returns the addition of two unsigned integers, with an overflow flag. */ function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } } /** * @dev Returns the subtraction of two unsigned integers, with an overflow flag. */ function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b > a) return (false, 0); return (true, a - b); } } /** * @dev Returns the multiplication of two unsigned integers, with an overflow flag. */ function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a * b; if (c / a != b) return (false, 0); return (true, c); } } /** * @dev Returns the division of two unsigned integers, with a division by zero flag. */ function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a / b); } } /** * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. */ function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a % b); } } /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a > b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow. return (a & b) + (a ^ b) / 2; } /** * @dev Returns the ceiling of the division of two numbers. * * This differs from standard division with `/` in that it rounds towards infinity instead * of rounding towards zero. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { if (b == 0) { // Guarantee the same behavior as in a regular Solidity division. return a / b; } // (a + b - 1) / b can overflow on addition, so we distribute. return a == 0 ? 0 : (a - 1) / b + 1; } /** * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or * denominator == 0. * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by * Uniswap Labs also under MIT license. */ function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) { unchecked { // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256 // variables such that product = prod1 * 2^256 + prod0. uint256 prod0 = x * y; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Handle non-overflow cases, 256 by 256 division. if (prod1 == 0) { // Solidity will revert if denominator == 0, unlike the div opcode on its own. // The surrounding unchecked block does not change this fact. // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic. return prod0 / denominator; } // Make sure the result is less than 2^256. Also prevents denominator == 0. if (denominator <= prod1) { revert MathOverflowedMulDiv(); } /////////////////////////////////////////////// // 512 by 256 division. /////////////////////////////////////////////// // Make division exact by subtracting the remainder from [prod1 prod0]. uint256 remainder; assembly { // Compute remainder using mulmod. remainder := mulmod(x, y, denominator) // Subtract 256 bit number from 512 bit number. prod1 := sub(prod1, gt(remainder, prod0)) prod0 := sub(prod0, remainder) } // Factor powers of two out of denominator and compute largest power of two divisor of denominator. // Always >= 1. See https://cs.stackexchange.com/q/138556/92363. uint256 twos = denominator & (0 - denominator); assembly { // Divide denominator by twos. denominator := div(denominator, twos) // Divide [prod1 prod0] by twos. prod0 := div(prod0, twos) // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one. twos := add(div(sub(0, twos), twos), 1) } // Shift in bits from prod1 into prod0. prod0 |= prod1 * twos; // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv = 1 mod 2^4. uint256 inverse = (3 * denominator) ^ 2; // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also // works in modular arithmetic, doubling the correct bits in each step. inverse *= 2 - denominator * inverse; // inverse mod 2^8 inverse *= 2 - denominator * inverse; // inverse mod 2^16 inverse *= 2 - denominator * inverse; // inverse mod 2^32 inverse *= 2 - denominator * inverse; // inverse mod 2^64 inverse *= 2 - denominator * inverse; // inverse mod 2^128 inverse *= 2 - denominator * inverse; // inverse mod 2^256 // Because the division is now exact we can divide by multiplying with the modular inverse of denominator. // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1 // is no longer required. result = prod0 * inverse; return result; } } /** * @notice Calculates x * y / denominator with full precision, following the selected rounding direction. */ function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) { uint256 result = mulDiv(x, y, denominator); if (unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0) { result += 1; } return result; } /** * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded * towards zero. * * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11). */ function sqrt(uint256 a) internal pure returns (uint256) { if (a == 0) { return 0; } // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target. // // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`. // // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)` // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))` // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)` // // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit. uint256 result = 1 << (log2(a) >> 1); // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128, // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision // into the expected uint128 result. unchecked { result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; return min(result, a / result); } } /** * @notice Calculates sqrt(a), following the selected rounding direction. */ function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = sqrt(a); return result + (unsignedRoundsUp(rounding) && result * result < a ? 1 : 0); } } /** * @dev Return the log in base 2 of a positive value rounded towards zero. * Returns 0 if given 0. */ function log2(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 128; } if (value >> 64 > 0) { value >>= 64; result += 64; } if (value >> 32 > 0) { value >>= 32; result += 32; } if (value >> 16 > 0) { value >>= 16; result += 16; } if (value >> 8 > 0) { value >>= 8; result += 8; } if (value >> 4 > 0) { value >>= 4; result += 4; } if (value >> 2 > 0) { value >>= 2; result += 2; } if (value >> 1 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 2, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log2(value); return result + (unsignedRoundsUp(rounding) && 1 << result < value ? 1 : 0); } } /** * @dev Return the log in base 10 of a positive value rounded towards zero. * Returns 0 if given 0. */ function log10(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >= 10 ** 64) { value /= 10 ** 64; result += 64; } if (value >= 10 ** 32) { value /= 10 ** 32; result += 32; } if (value >= 10 ** 16) { value /= 10 ** 16; result += 16; } if (value >= 10 ** 8) { value /= 10 ** 8; result += 8; } if (value >= 10 ** 4) { value /= 10 ** 4; result += 4; } if (value >= 10 ** 2) { value /= 10 ** 2; result += 2; } if (value >= 10 ** 1) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log10(value); return result + (unsignedRoundsUp(rounding) && 10 ** result < value ? 1 : 0); } } /** * @dev Return the log in base 256 of a positive value rounded towards zero. * Returns 0 if given 0. * * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string. */ function log256(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 16; } if (value >> 64 > 0) { value >>= 64; result += 8; } if (value >> 32 > 0) { value >>= 32; result += 4; } if (value >> 16 > 0) { value >>= 16; result += 2; } if (value >> 8 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 256, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log256(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log256(value); return result + (unsignedRoundsUp(rounding) && 1 << (result << 3) < value ? 1 : 0); } } /** * @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers. */ function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) { return uint8(rounding) % 2 == 1; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.23; library ConstantsLib { uint internal constant DENOMINATOR = 100_000; address internal constant DEAD_ADDRESS = 0xdEad000000000000000000000000000000000000; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.23; import "@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol"; /// @notice The vaults are assembled at the factory by users through UI. /// Deployment rights of a vault are tokenized in VaultManager NFT. /// The holders of these tokens receive a share of the vault revenue and can manage vault if possible. /// @dev Rewards transfers to token owner or revenue receiver address managed by token owner. /// @author Alien Deployer (https://github.com/a17) /// @author Jude (https://github.com/iammrjude) /// @author JodsMigel (https://github.com/JodsMigel) interface IVaultManager is IERC721Metadata { //region ----- Events ----- event ChangeVaultParams(uint tokenId, address[] addresses, uint[] nums); event SetRevenueReceiver(uint tokenId, address receiver); //endregion -- Events ----- struct VaultData { // vault uint tokenId; address vault; string vaultType; string name; string symbol; string[] assetsSymbols; string[] rewardAssetsSymbols; uint sharePrice; uint tvl; uint totalApr; bytes32 vaultExtra; // strategy uint strategyTokenId; string strategyId; string strategySpecific; uint strategyApr; bytes32 strategyExtra; } //region ----- View functions ----- /// @notice Vault address managed by token /// @param tokenId ID of NFT. Starts from 0 and increments on mints. /// @return vault Address of vault proxy function tokenVault(uint tokenId) external view returns (address vault); /// @notice Receiver of token owner's platform revenue share /// @param tokenId ID of NFT /// @return receiver Address of vault manager fees receiver function getRevenueReceiver(uint tokenId) external view returns (address receiver); /// @notice All vaults data. /// The output values are matched by index in the arrays. /// @param vaultAddress Vault addresses /// @param name Vault name /// @param symbol Vault symbol /// @param vaultType Vault type ID string /// @param strategyId Strategy logic ID string /// @param sharePrice Current vault share price in USD. 18 decimals /// @param tvl Current vault TVL in USD. 18 decimals /// @param totalApr Last total vault APR. Denominator is 100_00. /// @param strategyApr Last strategy APR. Denominator is 100_00. /// @param strategySpecific Strategy specific name function vaults() external view returns ( address[] memory vaultAddress, string[] memory name, string[] memory symbol, string[] memory vaultType, string[] memory strategyId, uint[] memory sharePrice, uint[] memory tvl, uint[] memory totalApr, uint[] memory strategyApr, string[] memory strategySpecific ); /// @notice All deployed vault addresses /// @return vaultAddress Addresses of vault proxy function vaultAddresses() external view returns (address[] memory vaultAddress); /// @notice Vault extended info getter /// @param vault Address of vault proxy /// @return strategy /// @return strategyAssets /// @return underlying /// @return assetsWithApr Assets with underlying APRs that can be provided by AprOracle /// @return assetsAprs APRs of assets with APR. Matched by index wuth previous param. /// @return lastHardWork Last HardWork time function vaultInfo(address vault) external view returns ( address strategy, address[] memory strategyAssets, address underlying, address[] memory assetsWithApr, uint[] memory assetsAprs, uint lastHardWork ); //endregion -- View functions ----- //region ----- Write functions ----- /// @notice Changing managed vault init parameters by Vault Manager (owner of VaultManager NFT) /// @param tokenId ID of VaultManager NFT /// @param addresses Vault init addresses. Must contain also not changeable init addresses /// @param nums Vault init numbers. Must contant also not changeable init numbers function changeVaultParams(uint tokenId, address[] memory addresses, uint[] memory nums) external; /// @notice Minting of new token on deploying vault by Factory /// Only Factory can call this. /// @param to User which creates vault /// @param vault Address of vault proxy /// @return tokenId Minted token ID function mint(address to, address vault) external returns (uint tokenId); /// @notice Owner of token can change revenue reciever of platform fee share /// @param tokenId Owned token ID /// @param receiver New revenue receiver address function setRevenueReceiver(uint tokenId, address receiver) external; //endregion -- Write functions ----- }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.23; import "@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol"; /// @dev Interface of developed strategy logic NFT /// @author Alien Deployer (https://github.com/a17) /// @author Jude (https://github.com/iammrjude) /// @author JodsMigel (https://github.com/JodsMigel) interface IStrategyLogic is IERC721Metadata { //region ----- Events ----- event SetRevenueReceiver(uint tokenId, address receiver); //endregion -- Events ----- struct StrategyData { uint strategyTokenId; string strategyId; bytes32 strategyExtra; } /// @notice Minting of new developed strategy by the factory /// @dev Parameters from StrategyDeveloperLib, StrategyIdLib. /// Only factory can call it. /// @param to Strategy developer address /// @param strategyLogicId Strategy logic ID string /// @return tokenId Minted token ID function mint(address to, string memory strategyLogicId) external returns (uint tokenId); /// @notice Owner of token can change address for receiving strategy logic revenue share /// Only owner of token can call it. /// @param tokenId Owned token ID /// @param receiver Address for receiving revenue function setRevenueReceiver(uint tokenId, address receiver) external; /// @notice Token ID to strategy logic ID map /// @param tokenId Owned token ID /// @return strategyLogicId Strategy logic ID string function tokenStrategyLogic(uint tokenId) external view returns (string memory strategyLogicId); /// @notice Current revenue reciever for token /// @param tokenId Token ID /// @return receiver Address for receiving revenue function getRevenueReceiver(uint tokenId) external view returns (address receiver); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.23; /// @dev Combining oracle and DeX spot prices /// @author Alien Deployer (https://github.com/a17) /// @author Jude (https://github.com/iammrjude) /// @author JodsMigel (https://github.com/JodsMigel) interface IPriceReader { //region ----- Events ----- event AdapterAdded(address adapter); event AdapterRemoved(address adapter); //endregion -- Events ----- /// @notice Price of asset /// @dev Price of 1.0 amount of asset in USD /// @param asset Address of asset /// @return price USD price with 18 decimals /// @return trusted Price from oracle function getPrice(address asset) external view returns (uint price, bool trusted); /// @notice Get USD price of specified assets and amounts /// @param assets_ Addresses of assets /// @param amounts_ Amount of asset. Index of asset same as in previous parameter. /// @return total Total USD value with 18 decimals /// @return assetAmountPrice USD price of asset amount. Index of assetAmountPrice same as in assets_ parameters. /// @return assetPrice USD price of asset. Index of assetAmountPrice same as in assets_ parameters. /// @return trusted True if only oracle prices was used for calculation. function getAssetsPrice( address[] memory assets_, uint[] memory amounts_ ) external view returns (uint total, uint[] memory assetAmountPrice, uint[] memory assetPrice, bool trusted); /// @notice Add oracle adapter to PriceReader /// Only operator (multisig is operator too) can add adapter /// @param adapter_ Address of price oracle proxy function addAdapter(address adapter_) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/structs/EnumerableSet.sol) // This file was procedurally generated from scripts/generate/templates/EnumerableSet.js. pragma solidity ^0.8.20; /** * @dev Library for managing * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive * types. * * Sets have the following properties: * * - Elements are added, removed, and checked for existence in constant time * (O(1)). * - Elements are enumerated in O(n). No guarantees are made on the ordering. * * ```solidity * contract Example { * // Add the library methods * using EnumerableSet for EnumerableSet.AddressSet; * * // Declare a set state variable * EnumerableSet.AddressSet private mySet; * } * ``` * * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`) * and `uint256` (`UintSet`) are supported. * * [WARNING] * ==== * Trying to delete such a structure from storage will likely result in data corruption, rendering the structure * unusable. * See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info. * * In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an * array of EnumerableSet. * ==== */ library EnumerableSet { // To implement this library for multiple types with as little code // repetition as possible, we write it in terms of a generic Set type with // bytes32 values. // The Set implementation uses private functions, and user-facing // implementations (such as AddressSet) are just wrappers around the // underlying Set. // This means that we can only create new EnumerableSets for types that fit // in bytes32. struct Set { // Storage of set values bytes32[] _values; // Position is the index of the value in the `values` array plus 1. // Position 0 is used to mean a value is not in the set. mapping(bytes32 value => uint256) _positions; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function _add(Set storage set, bytes32 value) private returns (bool) { if (!_contains(set, value)) { set._values.push(value); // The value is stored at length-1, but we add 1 to all indexes // and use 0 as a sentinel value set._positions[value] = set._values.length; return true; } else { return false; } } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function _remove(Set storage set, bytes32 value) private returns (bool) { // We cache the value's position to prevent multiple reads from the same storage slot uint256 position = set._positions[value]; if (position != 0) { // Equivalent to contains(set, value) // To delete an element from the _values array in O(1), we swap the element to delete with the last one in // the array, and then remove the last element (sometimes called as 'swap and pop'). // This modifies the order of the array, as noted in {at}. uint256 valueIndex = position - 1; uint256 lastIndex = set._values.length - 1; if (valueIndex != lastIndex) { bytes32 lastValue = set._values[lastIndex]; // Move the lastValue to the index where the value to delete is set._values[valueIndex] = lastValue; // Update the tracked position of the lastValue (that was just moved) set._positions[lastValue] = position; } // Delete the slot where the moved value was stored set._values.pop(); // Delete the tracked position for the deleted slot delete set._positions[value]; return true; } else { return false; } } /** * @dev Returns true if the value is in the set. O(1). */ function _contains(Set storage set, bytes32 value) private view returns (bool) { return set._positions[value] != 0; } /** * @dev Returns the number of values on the set. O(1). */ function _length(Set storage set) private view returns (uint256) { return set._values.length; } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function _at(Set storage set, uint256 index) private view returns (bytes32) { return set._values[index]; } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function _values(Set storage set) private view returns (bytes32[] memory) { return set._values; } // Bytes32Set struct Bytes32Set { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(Bytes32Set storage set, bytes32 value) internal returns (bool) { return _add(set._inner, value); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) { return _remove(set._inner, value); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) { return _contains(set._inner, value); } /** * @dev Returns the number of values in the set. O(1). */ function length(Bytes32Set storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) { return _at(set._inner, index); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(Bytes32Set storage set) internal view returns (bytes32[] memory) { bytes32[] memory store = _values(set._inner); bytes32[] memory result; /// @solidity memory-safe-assembly assembly { result := store } return result; } // AddressSet struct AddressSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(AddressSet storage set, address value) internal returns (bool) { return _add(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(AddressSet storage set, address value) internal returns (bool) { return _remove(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(AddressSet storage set, address value) internal view returns (bool) { return _contains(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Returns the number of values in the set. O(1). */ function length(AddressSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(AddressSet storage set, uint256 index) internal view returns (address) { return address(uint160(uint256(_at(set._inner, index)))); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(AddressSet storage set) internal view returns (address[] memory) { bytes32[] memory store = _values(set._inner); address[] memory result; /// @solidity memory-safe-assembly assembly { result := store } return result; } // UintSet struct UintSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(UintSet storage set, uint256 value) internal returns (bool) { return _add(set._inner, bytes32(value)); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(UintSet storage set, uint256 value) internal returns (bool) { return _remove(set._inner, bytes32(value)); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(UintSet storage set, uint256 value) internal view returns (bool) { return _contains(set._inner, bytes32(value)); } /** * @dev Returns the number of values in the set. O(1). */ function length(UintSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(UintSet storage set, uint256 index) internal view returns (uint256) { return uint256(_at(set._inner, index)); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(UintSet storage set) internal view returns (uint256[] memory) { bytes32[] memory store = _values(set._inner); uint256[] memory result; /// @solidity memory-safe-assembly assembly { result := store } return result; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Metadata.sol) pragma solidity ^0.8.20; import {IERC20} from "../IERC20.sol"; /** * @dev Interface for the optional metadata functions from the ERC20 standard. */ interface IERC20Metadata is IERC20 { /** * @dev Returns the name of the token. */ function name() external view returns (string memory); /** * @dev Returns the symbol of the token. */ function symbol() external view returns (string memory); /** * @dev Returns the decimals places of the token. */ function decimals() external view returns (uint8); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/Strings.sol) pragma solidity ^0.8.20; import {Math} from "./math/Math.sol"; import {SignedMath} from "./math/SignedMath.sol"; /** * @dev String operations. */ library Strings { bytes16 private constant HEX_DIGITS = "0123456789abcdef"; uint8 private constant ADDRESS_LENGTH = 20; /** * @dev The `value` string doesn't fit in the specified `length`. */ error StringsInsufficientHexLength(uint256 value, uint256 length); /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { unchecked { uint256 length = Math.log10(value) + 1; string memory buffer = new string(length); uint256 ptr; /// @solidity memory-safe-assembly assembly { ptr := add(buffer, add(32, length)) } while (true) { ptr--; /// @solidity memory-safe-assembly assembly { mstore8(ptr, byte(mod(value, 10), HEX_DIGITS)) } value /= 10; if (value == 0) break; } return buffer; } } /** * @dev Converts a `int256` to its ASCII `string` decimal representation. */ function toStringSigned(int256 value) internal pure returns (string memory) { return string.concat(value < 0 ? "-" : "", toString(SignedMath.abs(value))); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { unchecked { return toHexString(value, Math.log256(value) + 1); } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { uint256 localValue = value; bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = HEX_DIGITS[localValue & 0xf]; localValue >>= 4; } if (localValue != 0) { revert StringsInsufficientHexLength(value, length); } return string(buffer); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal * representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), ADDRESS_LENGTH); } /** * @dev Returns true if the two strings are equal. */ function equal(string memory a, string memory b) internal pure returns (bool) { return bytes(a).length == bytes(b).length && keccak256(bytes(a)) == keccak256(bytes(b)); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (proxy/utils/Initializable.sol) pragma solidity ^0.8.20; /** * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect. * * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in * case an upgrade adds a module that needs to be initialized. * * For example: * * [.hljs-theme-light.nopadding] * ```solidity * contract MyToken is ERC20Upgradeable { * function initialize() initializer public { * __ERC20_init("MyToken", "MTK"); * } * } * * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable { * function initializeV2() reinitializer(2) public { * __ERC20Permit_init("MyToken"); * } * } * ``` * * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}. * * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity. * * [CAUTION] * ==== * Avoid leaving a contract uninitialized. * * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed: * * [.hljs-theme-light.nopadding] * ``` * /// @custom:oz-upgrades-unsafe-allow constructor * constructor() { * _disableInitializers(); * } * ``` * ==== */ abstract contract Initializable { /** * @dev Storage of the initializable contract. * * It's implemented on a custom ERC-7201 namespace to reduce the risk of storage collisions * when using with upgradeable contracts. * * @custom:storage-location erc7201:openzeppelin.storage.Initializable */ struct InitializableStorage { /** * @dev Indicates that the contract has been initialized. */ uint64 _initialized; /** * @dev Indicates that the contract is in the process of being initialized. */ bool _initializing; } // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.Initializable")) - 1)) & ~bytes32(uint256(0xff)) bytes32 private constant INITIALIZABLE_STORAGE = 0xf0c57e16840df040f15088dc2f81fe391c3923bec73e23a9662efc9c229c6a00; /** * @dev The contract is already initialized. */ error InvalidInitialization(); /** * @dev The contract is not initializing. */ error NotInitializing(); /** * @dev Triggered when the contract has been initialized or reinitialized. */ event Initialized(uint64 version); /** * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope, * `onlyInitializing` functions can be used to initialize parent contracts. * * Similar to `reinitializer(1)`, except that in the context of a constructor an `initializer` may be invoked any * number of times. This behavior in the constructor can be useful during testing and is not expected to be used in * production. * * Emits an {Initialized} event. */ modifier initializer() { // solhint-disable-next-line var-name-mixedcase InitializableStorage storage $ = _getInitializableStorage(); // Cache values to avoid duplicated sloads bool isTopLevelCall = !$._initializing; uint64 initialized = $._initialized; // Allowed calls: // - initialSetup: the contract is not in the initializing state and no previous version was // initialized // - construction: the contract is initialized at version 1 (no reininitialization) and the // current contract is just being deployed bool initialSetup = initialized == 0 && isTopLevelCall; bool construction = initialized == 1 && address(this).code.length == 0; if (!initialSetup && !construction) { revert InvalidInitialization(); } $._initialized = 1; if (isTopLevelCall) { $._initializing = true; } _; if (isTopLevelCall) { $._initializing = false; emit Initialized(1); } } /** * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be * used to initialize parent contracts. * * A reinitializer may be used after the original initialization step. This is essential to configure modules that * are added through upgrades and that require initialization. * * When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer` * cannot be nested. If one is invoked in the context of another, execution will revert. * * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in * a contract, executing them in the right order is up to the developer or operator. * * WARNING: Setting the version to 2**64 - 1 will prevent any future reinitialization. * * Emits an {Initialized} event. */ modifier reinitializer(uint64 version) { // solhint-disable-next-line var-name-mixedcase InitializableStorage storage $ = _getInitializableStorage(); if ($._initializing || $._initialized >= version) { revert InvalidInitialization(); } $._initialized = version; $._initializing = true; _; $._initializing = false; emit Initialized(version); } /** * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the * {initializer} and {reinitializer} modifiers, directly or indirectly. */ modifier onlyInitializing() { _checkInitializing(); _; } /** * @dev Reverts if the contract is not in an initializing state. See {onlyInitializing}. */ function _checkInitializing() internal view virtual { if (!_isInitializing()) { revert NotInitializing(); } } /** * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call. * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized * to any version. It is recommended to use this to lock implementation contracts that are designed to be called * through proxies. * * Emits an {Initialized} event the first time it is successfully executed. */ function _disableInitializers() internal virtual { // solhint-disable-next-line var-name-mixedcase InitializableStorage storage $ = _getInitializableStorage(); if ($._initializing) { revert InvalidInitialization(); } if ($._initialized != type(uint64).max) { $._initialized = type(uint64).max; emit Initialized(type(uint64).max); } } /** * @dev Returns the highest version that has been initialized. See {reinitializer}. */ function _getInitializedVersion() internal view returns (uint64) { return _getInitializableStorage()._initialized; } /** * @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}. */ function _isInitializing() internal view returns (bool) { return _getInitializableStorage()._initializing; } /** * @dev Returns a pointer to the storage namespace. */ // solhint-disable-next-line var-name-mixedcase function _getInitializableStorage() private pure returns (InitializableStorage storage $) { assembly { $.slot := INITIALIZABLE_STORAGE } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/ERC165.sol) pragma solidity ^0.8.20; import {IERC165} from "./IERC165.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.23; /// @title Minimal library for setting / getting slot variables (used in upgradable proxy contracts) library SlotsLib { /// @dev Gets a slot as an address function getAddress(bytes32 slot) internal view returns (address result) { assembly { result := sload(slot) } } /// @dev Gets a slot as uint256 function getUint(bytes32 slot) internal view returns (uint result) { assembly { result := sload(slot) } } /// @dev Sets a slot with address /// @notice Check address for 0 at the setter function set(bytes32 slot, address value) internal { assembly { sstore(slot, value) } } /// @dev Sets a slot with uint function set(bytes32 slot, uint value) internal { assembly { sstore(slot, value) } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.23; import "./IVault.sol"; /// @notice Interface of Rewarding Vault /// @author Alien Deployer (https://github.com/a17) /// @author JodsMigel (https://github.com/JodsMigel) /// @author 0xhokugava (https://github.com/0xhokugava) interface IRVault is IVault { /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* CUSTOM ERRORS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ error NotAllowed(); error Overflow(uint maxAmount); error RTNotFound(); error NoBBToken(); error NotAllowedBBToken(); error IncorrectNums(); error ZeroToken(); error ZeroVestingDuration(); error TooHighCompoundRation(); error RewardIsTooSmall(); // error RewardIsTooBig(); /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* EVENTS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ event RewardAdded(address rewardToken, uint reward); event RewardPaid(address indexed user, address rewardToken, uint reward); event SetRewardsRedirect(address owner, address receiver); event AddedRewardToken(address indexed token, uint indexed tokenIndex); event CompoundRatio(uint compoundRatio_); /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* DATA TYPES */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @custom:storage-location erc7201:stability.RVaultBase struct RVaultBaseStorage { /// @inheritdoc IRVault mapping(uint tokenIndex => address rewardToken) rewardToken; /// @inheritdoc IRVault mapping(uint tokenIndex => uint durationSeconds) duration; /// @inheritdoc IRVault mapping(address owner => address receiver) rewardsRedirect; /// @dev Timestamp value when current period of rewards will be ended mapping(uint tokenIndex => uint finishTimestamp) periodFinishForToken; /// @dev Reward rate in normal circumstances is distributed rewards divided on duration mapping(uint tokenIndex => uint rewardRate) rewardRateForToken; /// @dev Last rewards snapshot time. Updated on each share movements mapping(uint tokenIndex => uint lastUpdateTimestamp) lastUpdateTimeForToken; /// @dev Rewards snapshot calculated from rewardPerToken(rt). Updated on each share movements mapping(uint tokenIndex => uint rewardPerTokenStored) rewardPerTokenStoredForToken; /// @dev User personal reward rate snapshot. Updated on each share movements mapping(uint tokenIndex => mapping(address user => uint rewardPerTokenPaid)) userRewardPerTokenPaidForToken; /// @dev User personal earned reward snapshot. Updated on each share movements mapping(uint tokenIndex => mapping(address user => uint earned)) rewardsForToken; /// @inheritdoc IRVault uint rewardTokensTotal; /// @inheritdoc IRVault uint compoundRatio; } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* VIEW FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @notice All vault rewarding tokens /// @return Reward token addresses function rewardTokens() external view returns (address[] memory); /// @return Total of bbToken + boost reward tokens function rewardTokensTotal() external view returns (uint); /// @notice Immutable reward buy-back token with tokenIndex 0 function bbToken() external view returns (address); /// @dev A mapping of reward tokens that able to be distributed to this contract. /// Token with index 0 always is bbToken. function rewardToken(uint tokenIndex) external view returns (address rewardToken_); /// @notice Re-investing ratio /// @dev Changeable ratio of revenue part for re-investing. Other part goes to rewarding by bbToken. /// @return Ratio of re-investing part of revenue. Denominator is 100_000. function compoundRatio() external view returns (uint); /// @notice Vesting period for distribution reward /// @param tokenIndex Index of rewarding token /// @return durationSeconds Duration for distributing of notified reward function duration(uint tokenIndex) external view returns (uint durationSeconds); /// @notice Return earned rewards for specific token and account /// Accurate value returns only after updateRewards call /// ((balanceOf(account) /// * (rewardPerToken - userRewardPerTokenPaidForToken)) / 10**18) + rewardsForToken function earned(uint rewardTokenIndex, address account) external view returns (uint); /// @notice Return reward per token ratio by reward token address /// rewardPerTokenStoredForToken + ( /// (lastTimeRewardApplicable - lastUpdateTimeForToken) /// * rewardRateForToken * 10**18 / totalSupply) /// @param rewardTokenIndex Index of reward token /// @return Return reward per token ratio by reward token address function rewardPerToken(uint rewardTokenIndex) external view returns (uint); /// @dev Receiver of rewards can be set by multisig when owner cant claim rewards himself /// @param owner Token owner address /// @return receiver Return reward's receiver function rewardsRedirect(address owner) external view returns (address receiver); /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* WRITE FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @notice Filling vault with rewards /// @dev Update rewardRateForToken /// If period ended: reward / duration /// else add leftover to the reward amount and refresh the period /// (reward + ((periodFinishForToken - block.timestamp) * rewardRateForToken)) / duration /// @param tokenIndex Index of rewarding token /// @param amount Amount for rewarding function notifyTargetRewardAmount(uint tokenIndex, uint amount) external; /// @notice Update and Claim all rewards for caller function getAllRewards() external; /// @notice Update and Claim rewards for specific token /// @param rt Index of reward token function getReward(uint rt) external; /// @dev All rewards for given owner could be claimed for receiver address. /// @param owner Token owner address /// @param receiver New reward's receiver function setRewardsRedirect(address owner, address receiver) external; /// @notice Update and Claim all rewards for given owner address. Send them to predefined receiver. /// @param owner Token owner address function getAllRewardsAndRedirect(address owner) external; /// @notice Update and Claim all rewards for the given owner. /// Sender should have allowance for push rewards for the owner. /// @param owner Token owner address function getAllRewardsFor(address owner) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/Context.sol) pragma solidity ^0.8.20; import {Initializable} from "../proxy/utils/Initializable.sol"; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract ContextUpgradeable is Initializable { function __Context_init() internal onlyInitializing { } function __Context_init_unchained() internal onlyInitializing { } function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/draft-IERC6093.sol) pragma solidity ^0.8.20; /** * @dev Standard ERC20 Errors * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC20 tokens. */ interface IERC20Errors { /** * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. * @param balance Current balance for the interacting account. * @param needed Minimum amount required to perform a transfer. */ error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed); /** * @dev Indicates a failure with the token `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. */ error ERC20InvalidSender(address sender); /** * @dev Indicates a failure with the token `receiver`. Used in transfers. * @param receiver Address to which tokens are being transferred. */ error ERC20InvalidReceiver(address receiver); /** * @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers. * @param spender Address that may be allowed to operate on tokens without being their owner. * @param allowance Amount of tokens a `spender` is allowed to operate with. * @param needed Minimum amount required to perform a transfer. */ error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed); /** * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals. * @param approver Address initiating an approval operation. */ error ERC20InvalidApprover(address approver); /** * @dev Indicates a failure with the `spender` to be approved. Used in approvals. * @param spender Address that may be allowed to operate on tokens without being their owner. */ error ERC20InvalidSpender(address spender); } /** * @dev Standard ERC721 Errors * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC721 tokens. */ interface IERC721Errors { /** * @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in EIP-20. * Used in balance queries. * @param owner Address of the current owner of a token. */ error ERC721InvalidOwner(address owner); /** * @dev Indicates a `tokenId` whose `owner` is the zero address. * @param tokenId Identifier number of a token. */ error ERC721NonexistentToken(uint256 tokenId); /** * @dev Indicates an error related to the ownership over a particular token. Used in transfers. * @param sender Address whose tokens are being transferred. * @param tokenId Identifier number of a token. * @param owner Address of the current owner of a token. */ error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner); /** * @dev Indicates a failure with the token `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. */ error ERC721InvalidSender(address sender); /** * @dev Indicates a failure with the token `receiver`. Used in transfers. * @param receiver Address to which tokens are being transferred. */ error ERC721InvalidReceiver(address receiver); /** * @dev Indicates a failure with the `operator`’s approval. Used in transfers. * @param operator Address that may be allowed to operate on tokens without being their owner. * @param tokenId Identifier number of a token. */ error ERC721InsufficientApproval(address operator, uint256 tokenId); /** * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals. * @param approver Address initiating an approval operation. */ error ERC721InvalidApprover(address approver); /** * @dev Indicates a failure with the `operator` to be approved. Used in approvals. * @param operator Address that may be allowed to operate on tokens without being their owner. */ error ERC721InvalidOperator(address operator); } /** * @dev Standard ERC1155 Errors * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC1155 tokens. */ interface IERC1155Errors { /** * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. * @param balance Current balance for the interacting account. * @param needed Minimum amount required to perform a transfer. * @param tokenId Identifier number of a token. */ error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId); /** * @dev Indicates a failure with the token `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. */ error ERC1155InvalidSender(address sender); /** * @dev Indicates a failure with the token `receiver`. Used in transfers. * @param receiver Address to which tokens are being transferred. */ error ERC1155InvalidReceiver(address receiver); /** * @dev Indicates a failure with the `operator`’s approval. Used in transfers. * @param operator Address that may be allowed to operate on tokens without being their owner. * @param owner Address of the current owner of a token. */ error ERC1155MissingApprovalForAll(address operator, address owner); /** * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals. * @param approver Address initiating an approval operation. */ error ERC1155InvalidApprover(address approver); /** * @dev Indicates a failure with the `operator` to be approved. Used in approvals. * @param operator Address that may be allowed to operate on tokens without being their owner. */ error ERC1155InvalidOperator(address operator); /** * @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation. * Used in batch transfers. * @param idsLength Length of the array of token identifiers * @param valuesLength Length of the array of token amounts */ error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.20; import {IERC721} from "../IERC721.sol"; /** * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Metadata is IERC721 { /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SignedMath.sol) pragma solidity ^0.8.20; /** * @dev Standard signed math utilities missing in the Solidity language. */ library SignedMath { /** * @dev Returns the largest of two signed numbers. */ function max(int256 a, int256 b) internal pure returns (int256) { return a > b ? a : b; } /** * @dev Returns the smallest of two signed numbers. */ function min(int256 a, int256 b) internal pure returns (int256) { return a < b ? a : b; } /** * @dev Returns the average of two signed numbers without overflow. * The result is rounded towards zero. */ function average(int256 a, int256 b) internal pure returns (int256) { // Formula from the book "Hacker's Delight" int256 x = (a & b) + ((a ^ b) >> 1); return x + (int256(uint256(x) >> 255) & (a ^ b)); } /** * @dev Returns the absolute unsigned value of a signed value. */ function abs(int256 n) internal pure returns (uint256) { unchecked { // must be unchecked in order to support `n = type(int256).min` return uint256(n >= 0 ? n : -n); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/IERC721.sol) pragma solidity ^0.8.20; import {IERC165} from "../../utils/introspection/IERC165.sol"; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721 is IERC165 { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon * a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom(address from, address to, uint256 tokenId, bytes calldata data) external; /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or * {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon * a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom(address from, address to, uint256 tokenId) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721 * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must * understand this adds an external call which potentially creates a reentrancy vulnerability. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom(address from, address to, uint256 tokenId) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the address zero. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); }
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Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
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Contract Creation Code
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Multichain Portfolio | 30 Chains
Chain | Token | Portfolio % | Price | Amount | Value |
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.