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Contract Source Code Verified (Exact Match)
Contract Name:
DefaultBondStrategy
Compiler Version
v0.8.25+commit.b61c2a91
Optimization Enabled:
Yes with 200 runs
Other Settings:
paris EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: BSL-1.1 pragma solidity 0.8.25; import "../interfaces/strategies/IDefaultBondStrategy.sol"; import "../libraries/external/FullMath.sol"; import "../utils/DefaultAccessControl.sol"; contract DefaultBondStrategy is IDefaultBondStrategy, DefaultAccessControl { /// @inheritdoc IDefaultBondStrategy uint256 public constant Q96 = 2 ** 96; /// @inheritdoc IDefaultBondStrategy IVault public immutable vault; /// @inheritdoc IDefaultBondStrategy IERC20TvlModule public immutable erc20TvlModule; /// @inheritdoc IDefaultBondStrategy IDefaultBondModule public immutable bondModule; /// @inheritdoc IDefaultBondStrategy mapping(address => bytes) public tokenToData; constructor( address admin, IVault vault_, IERC20TvlModule erc20TvlModule_, IDefaultBondModule bondModule_ ) DefaultAccessControl(admin) { vault = vault_; erc20TvlModule = erc20TvlModule_; bondModule = bondModule_; } /// @inheritdoc IDefaultBondStrategy function setData(address token, Data[] memory data) external { _requireAdmin(); if (token == address(0)) revert AddressZero(); uint256 cumulativeRatio = 0; for (uint256 i = 0; i < data.length; i++) { if (data[i].bond == address(0)) revert AddressZero(); if (IDefaultBond(data[i].bond).asset() != token) revert InvalidBond(); cumulativeRatio += data[i].ratioX96; } if (cumulativeRatio != Q96) revert InvalidCumulativeRatio(); tokenToData[token] = abi.encode(data); emit DefaultBondStrategySetData(token, data, block.timestamp); } function _deposit() private { ITvlModule.Data[] memory tvl = erc20TvlModule.tvl(address(vault)); for (uint256 i = 0; i < tvl.length; i++) { address token = tvl[i].token; bytes memory data_ = tokenToData[token]; if (data_.length == 0) continue; Data[] memory data = abi.decode(data_, (Data[])); for (uint256 j = 0; j < data.length; j++) { uint256 amount = FullMath.mulDiv( tvl[i].amount, data[j].ratioX96, Q96 ); if (amount == 0) continue; vault.delegateCall( address(bondModule), abi.encodeWithSelector( IDefaultBondModule.deposit.selector, data[j].bond, amount ) ); } } } /// @inheritdoc IDepositCallback function depositCallback(uint256[] memory, uint256) external override { if (msg.sender != address(vault)) _requireAtLeastOperator(); _deposit(); } /// @inheritdoc IDefaultBondStrategy function processAll() external { _requireAtLeastOperator(); _processWithdrawals(vault.pendingWithdrawers()); } /// @inheritdoc IDefaultBondStrategy function processWithdrawals(address[] memory users) external { if (users.length == 0) return; _requireAtLeastOperator(); _processWithdrawals(users); } function _processWithdrawals(address[] memory users) private { if (users.length == 0) return; address[] memory tokens = vault.underlyingTokens(); for (uint256 index = 0; index < tokens.length; index++) { bytes memory data_ = tokenToData[tokens[index]]; if (data_.length == 0) continue; Data[] memory data = abi.decode(data_, (Data[])); for (uint256 i = 0; i < data.length; i++) { uint256 amount = IERC20(data[i].bond).balanceOf(address(vault)); if (amount == 0) continue; vault.delegateCall( address(bondModule), abi.encodeWithSelector( IDefaultBondModule.withdraw.selector, data[i].bond, amount ) ); } } vault.processWithdrawals(users); _deposit(); emit DefaultBondStrategyProcessWithdrawals(users, block.timestamp); } }
// SPDX-License-Identifier: BSL-1.1 pragma solidity 0.8.25; import "../utils/IDepositCallback.sol"; import "../modules/erc20/IERC20TvlModule.sol"; import "../modules/symbiotic/IDefaultBondModule.sol"; /** * @title IDefaultBondStrategy * @notice Interface defining the functions for managing bond strategies with deposits and withdrawals. * The contract of the basic defaultBond strategy, the only operations of which are deposits into various bonds in a specified proportion * and processing of user withdrawals. Note that this strategy allows users to make instant withdrawals when calling processWithdrawals([msg.sender]). */ interface IDefaultBondStrategy is IDepositCallback { /// @dev Errors error InvalidCumulativeRatio(); error InvalidBond(); /** * @notice Structure representing data for a specific bond allocation. * @param bond The address of the bond to allocate funds to. * @param ratioX96 The proportion of funds to allocate to this bond, using a 96-bit precision ratio. */ struct Data { address bond; uint256 ratioX96; } /** * @notice Returns the constant Q96, which is used as a multiplier for ratio calculations. * @return The value of Q96 (2^96) for ratio calculations. */ function Q96() external view returns (uint256); /** * @notice Returns the vault associated with this strategy. * @return The address of the vault. */ function vault() external view returns (IVault); /** * @notice Returns the ERC20 TVL module used for calculating token values. * @return IERC20TvlModule The address of the ERC20 TVL module. */ function erc20TvlModule() external view returns (IERC20TvlModule); /** * @notice Returns the bond module used for managing bond transactions. * @return IDefaultBondModule The address of the bond module. */ function bondModule() external view returns (IDefaultBondModule); /** * @notice Returns the bond data associated with a specific token address. * @param token The address of the token. * @return bytes The bond data encoded as bytes. */ function tokenToData(address token) external view returns (bytes memory); /** * @notice Sets the bond allocation data for a specific token. * @param token The address of the token to associate with bond data. * @param data An array of `Data` structures representing the bond allocation details. * @dev The cumulative ratio of all bond allocations should sum up to `Q96`. */ function setData(address token, Data[] memory data) external; /** * @notice Processes all pending withdrawals for all users. * Withdraws from bonds and processes through the vault. */ function processAll() external; /** * @notice Processes withdrawals for a specific list of users. * Withdraws from bonds and processes through the vault. * @param users An array of user addresses to process withdrawals for. */ function processWithdrawals(address[] memory users) external; /** * @notice Emitted when bond allocation data is set for a specific token in the Default Bond Strategy. * @param token The address of the token for which bond allocation data is set. * @param data An array of `Data` structures representing the bond allocation details. * @param timestamp The timestamp when the bond allocation data is set. */ event DefaultBondStrategySetData( address indexed token, IDefaultBondStrategy.Data[] data, uint256 timestamp ); /** * @notice Emitted when withdrawals are processed for a list of users in the Default Bond Strategy. * @param users An array of user addresses for whom withdrawals are processed. * @param timestamp The timestamp when the withdrawals are processed. */ event DefaultBondStrategyProcessWithdrawals( address[] users, uint256 timestamp ); }
// SPDX-License-Identifier: MIT pragma solidity 0.8.25; /// @title Contains 512-bit math functions /// @notice Facilitates multiplication and division that can have overflow of an intermediate value without any loss of precision /// @dev Handles "phantom overflow" i.e., allows multiplication and division where an intermediate value overflows 256 bits library FullMath { /// @notice Calculates floor(a×b÷denominator) with full precision. Throws if result overflows a uint256 or denominator == 0 /// @param a The multiplicand /// @param b The multiplier /// @param denominator The divisor /// @return result The 256-bit result /// @dev Credit to Remco Bloemen under MIT license https://xn--2-umb.com/21/muldiv function mulDiv( uint256 a, uint256 b, uint256 denominator ) internal pure returns (uint256 result) { // diff: original lib works under 0.7.6 with overflows enabled unchecked { // 512-bit multiply [prod1 prod0] = a * b // Compute the product mod 2**256 and mod 2**256 - 1 // then 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; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(a, b, not(0)) prod0 := mul(a, b) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Handle non-overflow cases, 256 by 256 division if (prod1 == 0) { require(denominator > 0); assembly { result := div(prod0, denominator) } return result; } // Make sure the result is less than 2**256. // Also prevents denominator == 0 require(denominator > prod1); /////////////////////////////////////////////// // 512 by 256 division. /////////////////////////////////////////////// // Make division exact by subtracting the remainder from [prod1 prod0] // Compute remainder using mulmod uint256 remainder; assembly { remainder := mulmod(a, b, denominator) } // Subtract 256 bit number from 512 bit number assembly { prod1 := sub(prod1, gt(remainder, prod0)) prod0 := sub(prod0, remainder) } // Factor powers of two out of denominator // Compute largest power of two divisor of denominator. // Always >= 1. // diff: original uint256 twos = -denominator & denominator; uint256 twos = uint256(-int256(denominator)) & denominator; // Divide denominator by power of two assembly { denominator := div(denominator, twos) } // Divide [prod1 prod0] by the factors of two assembly { prod0 := div(prod0, twos) } // Shift in bits from prod1 into prod0. For this we need // to flip `twos` such that it is 2**256 / twos. // If twos is zero, then it becomes one assembly { twos := add(div(sub(0, twos), twos), 1) } 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 // correct for four bits. That is, denominator * inv = 1 mod 2**4 uint256 inv = (3 * denominator) ^ 2; // Now use 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. inv *= 2 - denominator * inv; // inverse mod 2**8 inv *= 2 - denominator * inv; // inverse mod 2**16 inv *= 2 - denominator * inv; // inverse mod 2**32 inv *= 2 - denominator * inv; // inverse mod 2**64 inv *= 2 - denominator * inv; // inverse mod 2**128 inv *= 2 - denominator * inv; // 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 precoditions 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 * inv; return result; } } /// @notice Calculates ceil(a×b÷denominator) with full precision. Throws if result overflows a uint256 or denominator == 0 /// @param a The multiplicand /// @param b The multiplier /// @param denominator The divisor /// @return result The 256-bit result function mulDivRoundingUp( uint256 a, uint256 b, uint256 denominator ) internal pure returns (uint256 result) { // diff: original lib works under 0.7.6 with overflows enabled unchecked { result = mulDiv(a, b, denominator); if (mulmod(a, b, denominator) > 0) { require(result < type(uint256).max); result++; } } } }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity 0.8.25; import "@openzeppelin/contracts/access/extensions/AccessControlEnumerable.sol"; import "../interfaces/utils/IDefaultAccessControl.sol"; contract DefaultAccessControl is IDefaultAccessControl, AccessControlEnumerable { bytes32 public constant OPERATOR = keccak256("operator"); bytes32 public constant ADMIN_ROLE = keccak256("admin"); bytes32 public constant ADMIN_DELEGATE_ROLE = keccak256("admin_delegate"); /// @notice Creates a new contract. /// @param admin Admin of the contract constructor(address admin) { if (admin == address(0)) revert AddressZero(); _grantRole(OPERATOR, admin); _grantRole(ADMIN_ROLE, admin); _setRoleAdmin(ADMIN_ROLE, ADMIN_ROLE); _setRoleAdmin(ADMIN_DELEGATE_ROLE, ADMIN_ROLE); _setRoleAdmin(OPERATOR, ADMIN_DELEGATE_ROLE); } /// @inheritdoc IDefaultAccessControl function isAdmin(address sender) public view returns (bool) { return hasRole(ADMIN_ROLE, sender) || hasRole(ADMIN_DELEGATE_ROLE, sender); } /// @inheritdoc IDefaultAccessControl function isOperator(address sender) public view returns (bool) { return hasRole(OPERATOR, sender); } /// @inheritdoc IDefaultAccessControl function requireAdmin(address sender) external view override { _requireAdmin(sender); } /// @inheritdoc IDefaultAccessControl function requireAtLeastOperator(address sender) external view override { _requireAtLeastOperator(sender); } function _requireAdmin(address sender) internal view { if (!isAdmin(sender)) revert Forbidden(); } function _requireAtLeastOperator(address sender) internal view { if (!isAdmin(sender) && !isOperator(sender)) revert Forbidden(); } function _requireAdmin() internal view { _requireAdmin(msg.sender); } function _requireAtLeastOperator() internal view { _requireAtLeastOperator(msg.sender); } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.25; /** * @title IDepositCallback * @notice Interface defining a callback function to handle deposit results. */ interface IDepositCallback { /** * @notice Handles the callback after a deposit operation has been executed. * @param actualAmounts An array representing the actual amounts of each token that were deposited. * @param lpAmount The total amount of LP tokens that were issued as a result of the deposit. * @dev This function is intended to be implemented by contracts that need to take further action following a deposit. */ function depositCallback( uint256[] memory actualAmounts, uint256 lpAmount ) external; }
// SPDX-License-Identifier: BSL-1.1 pragma solidity 0.8.25; import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; import "../ITvlModule.sol"; import "../../IVault.sol"; /** * @title IManagedTvlModule * @notice Interface defining methods for a managed Total Value Locked (TVL) Module, * allowing setting and retrieving parameters for specific vaults. */ interface IERC20TvlModule is ITvlModule { /** * @notice Calculates the Total Value Locked (TVL) of a vault holding ERC20 tokens. * @param vault The address of the vault for which to calculate the TVL. * @return data An array of TVL data for each underlying token held by the vault. * @dev The TVL data includes information such as token address, underlying token address, * token balance, and underlying token balance. * This function should be implemented to accurately calculate the TVL of the vault. * It should not be callable via delegate calls. */ function tvl(address vault) external view returns (Data[] memory data); }
// SPDX-License-Identifier: BSL-1.1 pragma solidity 0.8.25; import "@openzeppelin/contracts/utils/math/Math.sol"; import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol"; import "../../external/symbiotic/IDefaultBond.sol"; // Interface declaration for Default Bond Module interface IDefaultBondModule { /** * @notice Deposits a specified amount of tokens into a bond contract. * @param bond Address of the bond contract. * @param amount Amount of tokens to deposit. * @return The amount of tokens deposited. */ function deposit(address bond, uint256 amount) external returns (uint256); /** * @notice Withdraws a specified amount of tokens from a bond contract. * @param bond Address of the bond contract. * @param amount Amount of tokens to withdraw. * @return The amount of tokens withdrawn. */ function withdraw(address bond, uint256 amount) external returns (uint256); /** * @notice Emitted when tokens are deposited into a bond. * @param bond The address of the bond contract. * @param amount The amount of tokens deposited. * @param timestamp Timestamp of the deposit. */ event DefaultBondModuleDeposit( address indexed bond, uint256 amount, uint256 timestamp ); /** * @notice Emitted when tokens are withdrawn from a bond. * @param bond The address of the bond contract. * @param amount The amount of tokens withdrawn. */ event DefaultBondModuleWithdraw(address indexed bond, uint256 amount); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (access/extensions/AccessControlEnumerable.sol) pragma solidity ^0.8.20; import {IAccessControlEnumerable} from "./IAccessControlEnumerable.sol"; import {AccessControl} from "../AccessControl.sol"; import {EnumerableSet} from "../../utils/structs/EnumerableSet.sol"; /** * @dev Extension of {AccessControl} that allows enumerating the members of each role. */ abstract contract AccessControlEnumerable is IAccessControlEnumerable, AccessControl { using EnumerableSet for EnumerableSet.AddressSet; mapping(bytes32 role => EnumerableSet.AddressSet) private _roleMembers; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IAccessControlEnumerable).interfaceId || super.supportsInterface(interfaceId); } /** * @dev Returns one of the accounts that have `role`. `index` must be a * value between 0 and {getRoleMemberCount}, non-inclusive. * * Role bearers are not sorted in any particular way, and their ordering may * change at any point. * * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure * you perform all queries on the same block. See the following * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post] * for more information. */ function getRoleMember(bytes32 role, uint256 index) public view virtual returns (address) { return _roleMembers[role].at(index); } /** * @dev Returns the number of accounts that have `role`. Can be used * together with {getRoleMember} to enumerate all bearers of a role. */ function getRoleMemberCount(bytes32 role) public view virtual returns (uint256) { return _roleMembers[role].length(); } /** * @dev Overload {AccessControl-_grantRole} to track enumerable memberships */ function _grantRole(bytes32 role, address account) internal virtual override returns (bool) { bool granted = super._grantRole(role, account); if (granted) { _roleMembers[role].add(account); } return granted; } /** * @dev Overload {AccessControl-_revokeRole} to track enumerable memberships */ function _revokeRole(bytes32 role, address account) internal virtual override returns (bool) { bool revoked = super._revokeRole(role, account); if (revoked) { _roleMembers[role].remove(account); } return revoked; } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.25; import "@openzeppelin/contracts/access/extensions/IAccessControlEnumerable.sol"; /// @notice This is a default access control with 3 roles: /// /// - ADMIN: allowed to do anything /// - ADMIN_DELEGATE: allowed to do anything except assigning ADMIN and ADMIN_DELEGATE roles /// - OPERATOR: low-privileged role, generally keeper or some other bot interface IDefaultAccessControl is IAccessControlEnumerable { error Forbidden(); error AddressZero(); function OPERATOR() external view returns (bytes32); function ADMIN_ROLE() external view returns (bytes32); function ADMIN_DELEGATE_ROLE() external view returns (bytes32); /// @notice Checks that the address is contract admin. /// @param who Address to check /// @return `true` if who is admin, `false` otherwise function isAdmin(address who) external view returns (bool); /// @notice Checks that the address is contract admin. /// @param who Address to check /// @return `true` if who is operator, `false` otherwise function isOperator(address who) external view returns (bool); /// @notice Checks that the address is contract admin. /// @param who Address to check /// @dev throws Forbbiden() if the sender does not have the admin or admin_delegate role function requireAdmin(address who) external view; /// @notice Checks that the address is contract admin. /// @param who Address to check /// @dev throws Forbbiden() if the sender has no roles function requireAtLeastOperator(address who) external view; }
// 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: BSL-1.1 pragma solidity 0.8.25; /** * @title ITvlModule * @notice Interface for a Total Value Locked (TVL) module, providing information about token balances. */ interface ITvlModule { // Structure representing TVL data for a token struct Data { address token; // Address of the token address underlyingToken; // Address of the underlying token uint256 amount; // Current amount of the token uint256 underlyingAmount; // Current amount of the underlying token bool isDebt; // Flag indicating if the token represents debt } /** * @notice Returns Total Value Locked (TVL) data for a specific user. * @param user The address of the user. * @return data An array of TVL data for each token held by the user. */ function tvl(address user) external view returns (Data[] memory data); }
// SPDX-License-Identifier: BSL-1.1 pragma solidity 0.8.25; import "@openzeppelin/contracts/token/ERC20/ERC20.sol"; import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol"; import "@openzeppelin/contracts/utils/ReentrancyGuard.sol"; import "@openzeppelin/contracts/utils/Arrays.sol"; import "./modules/ITvlModule.sol"; import "./validators/IValidator.sol"; import "./oracles/IPriceOracle.sol"; import "./oracles/IRatiosOracle.sol"; import "./utils/IDepositCallback.sol"; import "./utils/IWithdrawalCallback.sol"; import "./IVaultConfigurator.sol"; /** * @title IVault * @notice Interface defining core methods, constants, and errors for vault contracts. * Includes events, data structures, functions, and permissions required for managing the vault. * @dev Main contract of the system managing interactions between users, administrators, and operators. * System parameters are set within the corresponding contract - VaultConfigurator. * Upon deposit, LP tokens are issued to users based on asset valuation by oracles. * Deposits are made through the deposit function, where a deposit can only be made in underlyingTokens and * only at the specified ratiosOracle ratio. Deposits can be paused by setting the isDepositLocked flag. * * Withdrawals can occur through two scenarios: * - Regular withdrawal via the registerWithdrawal function and emergency withdrawal via the emergencyWithdraw function. * In a regular withdrawal, the user registers a withdrawal request, after which the operator must perform a series of operations * to ensure there are enough underlyingTokens on the vault's balance to fulfill the user's request. Subsequently, the operator must call * the processWithdrawals function. If a user's request is not processed within the emergencyWithdrawalDelay period, the user can perform an emergency withdrawal. * Note! In this case, the user may receive less funds than entitled by the system, as this function only handles ERC20 tokens in the system. * Therefore, if the system has a base asset that is not represented as an ERC20 token, the corresponding portion of the funds will be lost by the user. * * It is assumed that the main system management will occur through calls to delegateModules via delegateCalls on behalf of the operator. * For this to be possible, certain conditions must be met: * - From the validator's perspective, two conditions must be met: * 1. The caller must have the right to call the delegateCall function with the corresponding data parameter. * 2. The contract itself must be able to call the function on the delegateModule with the specified data. * - From the configurator's perspective, the called module must have the appropriate approval - isDelegateModuleApproved. * * If external calls need to be made, the externalCall function is used, for the execution of which a similar set of properties exists: * - From the validator's perspective, two conditions must be met: * 1. The caller must have the right to call the externalCall function with the corresponding data parameter. * 2. The contract itself must be able to call the function on the external contract with the specified data. * - From the configurator's perspective, the called contract must NOT have isDelegateModuleApproved permission. * * Vault also has the functionality of adding and removing underlyingTokens, as well as tvlModules. * For this purpose, the following functions are available, which can only be called by the vault's admin: * - addToken * - removeToken * - addTvlModule * - removeTvlModule * Upon calling removeToken, it is checked that the underlyingTvl function for the specified token returns a zero value. Otherwise, the function reverts with a NonZeroValue error. * It is important to note that there is no such check when calling removeTvlModule, so when updating parameters, sequential execution of a transaction to remove the old and add the new tvlModule is implied. */ interface IVault is IERC20 { /// @dev Errors error Deadline(); error InvalidState(); error InvalidLength(); error InvalidToken(); error NonZeroValue(); error ValueZero(); error InsufficientLpAmount(); error InsufficientAmount(); error LimitOverflow(); error AlreadyAdded(); /// @notice Struct representing a user's withdrawal request. struct WithdrawalRequest { address to; uint256 lpAmount; bytes32 tokensHash; // keccak256 hash of the tokens array at the moment of request uint256[] minAmounts; uint256 deadline; uint256 timestamp; } /// @notice Struct representing the current state used for processing withdrawals. struct ProcessWithdrawalsStack { address[] tokens; uint128[] ratiosX96; uint256[] erc20Balances; uint256 totalSupply; uint256 totalValue; uint256 ratiosX96Value; uint256 timestamp; uint256 feeD9; bytes32 tokensHash; // keccak256 hash of the tokens array at the moment of the call } /// @notice 2^96, used for fixed-point arithmetic function Q96() external view returns (uint256); /// @notice Multiplier of 1e9 function D9() external view returns (uint256); /// @notice Returns the vault's configurator, which handles permissions and configuration settings. /// @return IVaultConfigurator The address of the configurator contract. function configurator() external view returns (IVaultConfigurator); /// @notice Returns the withdrawal request of a given user. /// @param user The address of the user. /// @return request The withdrawal request associated with the user. function withdrawalRequest( address user ) external view returns (WithdrawalRequest memory request); /// @return count The number of users with pending withdrawal requests. function pendingWithdrawersCount() external view returns (uint256 count); /// @notice Returns an array of addresses with pending withdrawal requests. /// @return users An array of addresses with pending withdrawal requests. function pendingWithdrawers() external view returns (address[] memory users); /// @notice Returns an array of addresses with pending withdrawal requests. /// @param limit The maximum number of users to return. /// @param offset The number of users to skip before returning. /// @return users An array of addresses with pending withdrawal requests. function pendingWithdrawers( uint256 limit, uint256 offset ) external view returns (address[] memory users); /// @notice Returns an array of underlying tokens of the vault. /// @return underlyinigTokens_ An array of underlying token addresses. function underlyingTokens() external view returns (address[] memory underlyinigTokens_); /// @notice Checks if a token is an underlying token of the vault. /// @return isUnderlyingToken_ true if the token is an underlying token of the vault. function isUnderlyingToken( address token ) external view returns (bool isUnderlyingToken_); /// @notice Returns an array of addresses of all TVL modules. /// @return tvlModules_ An array of TVL module addresses. function tvlModules() external view returns (address[] memory tvlModules_); /// @notice Calculates and returns the total value locked (TVL) of the underlying tokens. /// @return tokens An array of underlying token addresses. /// @return amounts An array of the amounts of each underlying token in the TVL. function underlyingTvl() external view returns (address[] memory tokens, uint256[] memory amounts); /// @notice Calculates and returns the base TVL (Total Value Locked) across all tokens in the vault. /// @return tokens An array of token addresses. /// @return amounts An array of the amounts of each token in the base TVL. function baseTvl() external view returns (address[] memory tokens, uint256[] memory amounts); /// @notice Adds a new token to the list of underlying tokens in the vault. /// @dev Only accessible by an admin. /// @param token The address of the token to add. function addToken(address token) external; /// @notice Removes a token from the list of underlying tokens in the vault. /// @dev Only accessible by an admin. /// @param token The address of the token to remove. function removeToken(address token) external; /// @notice Adds a new TVL module to the vault. /// @dev Only accessible by an admin. /// @param module The address of the TVL module to add. function addTvlModule(address module) external; /// @notice Removes an existing TVL module from the vault. /// @dev Only accessible by an admin. /// @param module The address of the TVL module to remove. function removeTvlModule(address module) external; /// @notice Performs an external call to a given address with specified data. /// @dev Only operators or admins should call this function. Checks access permissions. /// @param to The address to which the call will be made. /// @param data The calldata to use for the external call. /// @return success Indicates if the call was successful. /// @return response The response data from the external call. /// @dev Checks permissions using the validator from the configurator. function externalCall( address to, bytes calldata data ) external returns (bool success, bytes memory response); /// @notice Executes a delegate call to a specified address with given data. /// @dev Only operators or admins should call this function. Checks access permissions. /// @param to The address to which the delegate call will be made. /// @param data The calldata to use for the delegate call. /// @return success Indicates if the delegate call was successful. /// @return response The response data from the delegate call. /// @dev Checks permissions using the validator from the configurator. function delegateCall( address to, bytes calldata data ) external returns (bool success, bytes memory response); /// @notice Deposits specified amounts of tokens into the vault in exchange for LP tokens. /// @dev Only accessible when deposits are unlocked. /// @param to The address to receive LP tokens. /// @param amounts An array specifying the amounts for each underlying token. /// @param minLpAmount The minimum amount of LP tokens to mint. /// @param deadline The time before which the operation must be completed. /// @return actualAmounts The actual amounts deposited for each underlying token. /// @return lpAmount The amount of LP tokens minted. function deposit( address to, uint256[] memory amounts, uint256 minLpAmount, uint256 deadline ) external returns (uint256[] memory actualAmounts, uint256 lpAmount); /// @notice Handles emergency withdrawals, proportionally withdrawing all tokens in the system (not just the underlying). /// @dev Transfers tokens based on the user's share of lpAmount / totalSupply. /// @param minAmounts An array of minimum amounts expected for each underlying token. /// @param deadline The time before which the operation must be completed. /// @return actualAmounts The actual amounts withdrawn for each token. function emergencyWithdraw( uint256[] memory minAmounts, uint256 deadline ) external returns (uint256[] memory actualAmounts); /// @notice Cancels a pending withdrawal request. function cancelWithdrawalRequest() external; /// @notice Registers a new withdrawal request, optionally closing previous requests. /// @param to The address to receive the withdrawn tokens. /// @param lpAmount The amount of LP tokens to withdraw. /// @param minAmounts An array specifying minimum amounts for each token. /// @param deadline The time before which the operation must be completed. /// @param requestDeadline The deadline before which the request should be fulfilled. /// @param closePrevious Whether to close a previous request if it exists. function registerWithdrawal( address to, uint256 lpAmount, uint256[] memory minAmounts, uint256 deadline, uint256 requestDeadline, bool closePrevious ) external; /// @notice Analyzes a withdrawal request based on the current vault state. /// @param s The current state stack to use for analysis. /// @param request The withdrawal request to analyze. /// @return processingPossible Whether processing is possible based on current vault state. /// @return withdrawalPossible Whether the withdrawal can be fulfilled. /// @return expectedAmounts The expected amounts to be withdrawn for each token. function analyzeRequest( ProcessWithdrawalsStack memory s, WithdrawalRequest memory request ) external pure returns ( bool processingPossible, bool withdrawalPossible, uint256[] memory expectedAmounts ); /// @notice Calculates and returns the state stack required for processing withdrawal requests. /// @return s The state stack with current vault balances and data. function calculateStack() external view returns (ProcessWithdrawalsStack memory s); /// @notice Processes multiple withdrawal requests by fulfilling eligible withdrawals. /// @param users An array of user addresses whose withdrawal requests should be processed. /// @return statuses An array indicating the status of each user's withdrawal request. function processWithdrawals( address[] memory users ) external returns (bool[] memory statuses); /** * @notice Emitted when a token is added to the vault. * @param token The address of the token added. */ event TokenAdded(address token); /** * @notice Emitted when a token is removed from the vault. * @param token The address of the token removed. */ event TokenRemoved(address token); /** * @notice Emitted when a TVL module is added to the vault. * @param module The address of the TVL module added. */ event TvlModuleAdded(address module); /** * @notice Emitted when a TVL module is removed from the vault. * @param module The address of the TVL module removed. */ event TvlModuleRemoved(address module); /** * @notice Emitted when an external call is made. * @param to The address of the contract called. * @param data The calldata of the call. * @param success The success status of the call. * @param response The response data of the call. */ event ExternalCall( address indexed to, bytes data, bool success, bytes response ); /** * @notice Emitted when a delegate call is made. * @param to The address of the contract called. * @param data The calldata of the call. * @param success The success status of the call. * @param response The response data of the call. */ event DelegateCall( address indexed to, bytes data, bool success, bytes response ); /** * @notice Emitted when a deposit occurs. * @param to The address where LP tokens are deposited. * @param amounts The amounts of tokens deposited. * @param lpAmount The amount of LP tokens minted. */ event Deposit(address indexed to, uint256[] amounts, uint256 lpAmount); /** * @notice Emitted when a deposit callback occurs. * @param callback The address of the deposit callback contract. * @param amounts The amounts of tokens deposited. * @param lpAmount The amount of LP tokens minted. */ event DepositCallback( address indexed callback, uint256[] amounts, uint256 lpAmount ); /** * @notice Emitted when a withdrawal request is made. * @param from The address of the user making the request. * @param request The details of the withdrawal request. */ event WithdrawalRequested(address indexed from, WithdrawalRequest request); /** * @notice Emitted when a withdrawal request is canceled. * @param user The address of the user canceling the request. * @param origin The origin of the cancellation. */ event WithdrawalRequestCanceled(address indexed user, address origin); /** * @notice Emitted when an emergency withdrawal occurs. * @param from The address of the user initiating the emergency withdrawal. * @param request The details of the withdrawal request. * @param amounts The actual amounts withdrawn. */ event EmergencyWithdrawal( address indexed from, WithdrawalRequest request, uint256[] amounts ); /** * @notice Emitted when withdrawals are processed. * @param users The addresses of the users whose withdrawals are processed. * @param statuses The statuses of the withdrawal processing. */ event WithdrawalsProcessed(address[] users, bool[] statuses); /** * @notice Emitted when a withdrawal callback occurs. * @param callback The address of the withdrawal callback contract. */ event WithdrawCallback(address indexed callback); }
// 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 // 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 pragma solidity 0.8.25; import {IBond} from "./IBond.sol"; interface IDefaultBond is IBond { error InsufficientDeposit(); error InsufficientWithdraw(); error InsufficientIssueDebt(); /** * @notice Deposit a given amount of the underlying asset, and mint the bond to a particular recipient. * @param recipient address of the bond's recipient * @param amount amount of the underlying asset * @return amount of the bond minted */ function deposit( address recipient, uint256 amount ) external returns (uint256); /** * @notice Deposit a given amount of the underlying asset using a permit functionality, and mint the bond to a particular recipient. * @param recipient address of the bond's recipient * @param amount amount of the underlying asset * @param deadline timestamp of the signature's deadline * @param v v component of the signature * @param r r component of the signature * @param s s component of the signature * @return amount of the bond minted */ function deposit( address recipient, uint256 amount, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) external returns (uint256); /** * @notice Withdraw a given amount of the underlying asset, and transfer it to a particular recipient. * @param recipient address of the underlying asset's recipient * @param amount amount of the underlying asset */ function withdraw(address recipient, uint256 amount) external; function limit() external view returns (uint256); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (access/extensions/IAccessControlEnumerable.sol) pragma solidity ^0.8.20; import {IAccessControl} from "../IAccessControl.sol"; /** * @dev External interface of AccessControlEnumerable declared to support ERC165 detection. */ interface IAccessControlEnumerable is IAccessControl { /** * @dev Returns one of the accounts that have `role`. `index` must be a * value between 0 and {getRoleMemberCount}, non-inclusive. * * Role bearers are not sorted in any particular way, and their ordering may * change at any point. * * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure * you perform all queries on the same block. See the following * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post] * for more information. */ function getRoleMember(bytes32 role, uint256 index) external view returns (address); /** * @dev Returns the number of accounts that have `role`. Can be used * together with {getRoleMember} to enumerate all bearers of a role. */ function getRoleMemberCount(bytes32 role) external view returns (uint256); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (access/AccessControl.sol) pragma solidity ^0.8.20; import {IAccessControl} from "./IAccessControl.sol"; import {Context} from "../utils/Context.sol"; import {ERC165} from "../utils/introspection/ERC165.sol"; /** * @dev Contract module that allows children to implement role-based access * control mechanisms. This is a lightweight version that doesn't allow enumerating role * members except through off-chain means by accessing the contract event logs. Some * applications may benefit from on-chain enumerability, for those cases see * {AccessControlEnumerable}. * * Roles are referred to by their `bytes32` identifier. These should be exposed * in the external API and be unique. The best way to achieve this is by * using `public constant` hash digests: * * ```solidity * bytes32 public constant MY_ROLE = keccak256("MY_ROLE"); * ``` * * Roles can be used to represent a set of permissions. To restrict access to a * function call, use {hasRole}: * * ```solidity * function foo() public { * require(hasRole(MY_ROLE, msg.sender)); * ... * } * ``` * * Roles can be granted and revoked dynamically via the {grantRole} and * {revokeRole} functions. Each role has an associated admin role, and only * accounts that have a role's admin role can call {grantRole} and {revokeRole}. * * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means * that only accounts with this role will be able to grant or revoke other * roles. More complex role relationships can be created by using * {_setRoleAdmin}. * * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to * grant and revoke this role. Extra precautions should be taken to secure * accounts that have been granted it. We recommend using {AccessControlDefaultAdminRules} * to enforce additional security measures for this role. */ abstract contract AccessControl is Context, IAccessControl, ERC165 { struct RoleData { mapping(address account => bool) hasRole; bytes32 adminRole; } mapping(bytes32 role => RoleData) private _roles; bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00; /** * @dev Modifier that checks that an account has a specific role. Reverts * with an {AccessControlUnauthorizedAccount} error including the required role. */ modifier onlyRole(bytes32 role) { _checkRole(role); _; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId); } /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) public view virtual returns (bool) { return _roles[role].hasRole[account]; } /** * @dev Reverts with an {AccessControlUnauthorizedAccount} error if `_msgSender()` * is missing `role`. Overriding this function changes the behavior of the {onlyRole} modifier. */ function _checkRole(bytes32 role) internal view virtual { _checkRole(role, _msgSender()); } /** * @dev Reverts with an {AccessControlUnauthorizedAccount} error if `account` * is missing `role`. */ function _checkRole(bytes32 role, address account) internal view virtual { if (!hasRole(role, account)) { revert AccessControlUnauthorizedAccount(account, role); } } /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) public view virtual returns (bytes32) { return _roles[role].adminRole; } /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. * * May emit a {RoleGranted} event. */ function grantRole(bytes32 role, address account) public virtual onlyRole(getRoleAdmin(role)) { _grantRole(role, account); } /** * @dev Revokes `role` from `account`. * * If `account` had been granted `role`, emits a {RoleRevoked} event. * * Requirements: * * - the caller must have ``role``'s admin role. * * May emit a {RoleRevoked} event. */ function revokeRole(bytes32 role, address account) public virtual onlyRole(getRoleAdmin(role)) { _revokeRole(role, account); } /** * @dev Revokes `role` from the calling account. * * Roles are often managed via {grantRole} and {revokeRole}: this function's * purpose is to provide a mechanism for accounts to lose their privileges * if they are compromised (such as when a trusted device is misplaced). * * If the calling account had been revoked `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `callerConfirmation`. * * May emit a {RoleRevoked} event. */ function renounceRole(bytes32 role, address callerConfirmation) public virtual { if (callerConfirmation != _msgSender()) { revert AccessControlBadConfirmation(); } _revokeRole(role, callerConfirmation); } /** * @dev Sets `adminRole` as ``role``'s admin role. * * Emits a {RoleAdminChanged} event. */ function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual { bytes32 previousAdminRole = getRoleAdmin(role); _roles[role].adminRole = adminRole; emit RoleAdminChanged(role, previousAdminRole, adminRole); } /** * @dev Attempts to grant `role` to `account` and returns a boolean indicating if `role` was granted. * * Internal function without access restriction. * * May emit a {RoleGranted} event. */ function _grantRole(bytes32 role, address account) internal virtual returns (bool) { if (!hasRole(role, account)) { _roles[role].hasRole[account] = true; emit RoleGranted(role, account, _msgSender()); return true; } else { return false; } } /** * @dev Attempts to revoke `role` to `account` and returns a boolean indicating if `role` was revoked. * * Internal function without access restriction. * * May emit a {RoleRevoked} event. */ function _revokeRole(bytes32 role, address account) internal virtual returns (bool) { if (hasRole(role, account)) { _roles[role].hasRole[account] = false; emit RoleRevoked(role, account, _msgSender()); return true; } else { return false; } } }
// 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/ERC20.sol) pragma solidity ^0.8.20; import {IERC20} from "./IERC20.sol"; import {IERC20Metadata} from "./extensions/IERC20Metadata.sol"; import {Context} from "../../utils/Context.sol"; import {IERC20Errors} from "../../interfaces/draft-IERC6093.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 ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors { mapping(address account => uint256) private _balances; mapping(address account => mapping(address spender => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; /** * @dev Sets the values for {name} and {symbol}. * * All two of these values are immutable: they can only be set once during * construction. */ constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @dev Returns the name of the token. */ function name() public view virtual returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view virtual returns (string memory) { 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) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view virtual returns (uint256) { 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) { 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 { 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 { 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/ReentrancyGuard.sol) pragma solidity ^0.8.20; /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. */ abstract contract ReentrancyGuard { // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // back. This is the compiler's defense against contract upgrades and // pointer aliasing, and it cannot be disabled. // The values being non-zero value makes deployment a bit more expensive, // but in exchange the refund on every call to nonReentrant will be lower in // amount. Since refunds are capped to a percentage of the total // transaction's gas, it is best to keep them low in cases like this one, to // increase the likelihood of the full refund coming into effect. uint256 private constant NOT_ENTERED = 1; uint256 private constant ENTERED = 2; uint256 private _status; /** * @dev Unauthorized reentrant call. */ error ReentrancyGuardReentrantCall(); constructor() { _status = NOT_ENTERED; } /** * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and making it call a * `private` function that does the actual work. */ modifier nonReentrant() { _nonReentrantBefore(); _; _nonReentrantAfter(); } function _nonReentrantBefore() private { // On the first call to nonReentrant, _status will be NOT_ENTERED if (_status == ENTERED) { revert ReentrancyGuardReentrantCall(); } // Any calls to nonReentrant after this point will fail _status = ENTERED; } function _nonReentrantAfter() private { // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = NOT_ENTERED; } /** * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a * `nonReentrant` function in the call stack. */ function _reentrancyGuardEntered() internal view returns (bool) { return _status == ENTERED; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/Arrays.sol) pragma solidity ^0.8.20; import {StorageSlot} from "./StorageSlot.sol"; import {Math} from "./math/Math.sol"; /** * @dev Collection of functions related to array types. */ library Arrays { using StorageSlot for bytes32; /** * @dev Searches a sorted `array` and returns the first index that contains * a value greater or equal to `element`. If no such index exists (i.e. all * values in the array are strictly less than `element`), the array length is * returned. Time complexity O(log n). * * `array` is expected to be sorted in ascending order, and to contain no * repeated elements. */ function findUpperBound(uint256[] storage array, uint256 element) internal view returns (uint256) { uint256 low = 0; uint256 high = array.length; if (high == 0) { return 0; } while (low < high) { uint256 mid = Math.average(low, high); // Note that mid will always be strictly less than high (i.e. it will be a valid array index) // because Math.average rounds towards zero (it does integer division with truncation). if (unsafeAccess(array, mid).value > element) { high = mid; } else { low = mid + 1; } } // At this point `low` is the exclusive upper bound. We will return the inclusive upper bound. if (low > 0 && unsafeAccess(array, low - 1).value == element) { return low - 1; } else { return low; } } /** * @dev Access an array in an "unsafe" way. Skips solidity "index-out-of-range" check. * * WARNING: Only use if you are certain `pos` is lower than the array length. */ function unsafeAccess(address[] storage arr, uint256 pos) internal pure returns (StorageSlot.AddressSlot storage) { bytes32 slot; // We use assembly to calculate the storage slot of the element at index `pos` of the dynamic array `arr` // following https://docs.soliditylang.org/en/v0.8.20/internals/layout_in_storage.html#mappings-and-dynamic-arrays. /// @solidity memory-safe-assembly assembly { mstore(0, arr.slot) slot := add(keccak256(0, 0x20), pos) } return slot.getAddressSlot(); } /** * @dev Access an array in an "unsafe" way. Skips solidity "index-out-of-range" check. * * WARNING: Only use if you are certain `pos` is lower than the array length. */ function unsafeAccess(bytes32[] storage arr, uint256 pos) internal pure returns (StorageSlot.Bytes32Slot storage) { bytes32 slot; // We use assembly to calculate the storage slot of the element at index `pos` of the dynamic array `arr` // following https://docs.soliditylang.org/en/v0.8.20/internals/layout_in_storage.html#mappings-and-dynamic-arrays. /// @solidity memory-safe-assembly assembly { mstore(0, arr.slot) slot := add(keccak256(0, 0x20), pos) } return slot.getBytes32Slot(); } /** * @dev Access an array in an "unsafe" way. Skips solidity "index-out-of-range" check. * * WARNING: Only use if you are certain `pos` is lower than the array length. */ function unsafeAccess(uint256[] storage arr, uint256 pos) internal pure returns (StorageSlot.Uint256Slot storage) { bytes32 slot; // We use assembly to calculate the storage slot of the element at index `pos` of the dynamic array `arr` // following https://docs.soliditylang.org/en/v0.8.20/internals/layout_in_storage.html#mappings-and-dynamic-arrays. /// @solidity memory-safe-assembly assembly { mstore(0, arr.slot) slot := add(keccak256(0, 0x20), pos) } return slot.getUint256Slot(); } /** * @dev Access an array in an "unsafe" way. Skips solidity "index-out-of-range" check. * * WARNING: Only use if you are certain `pos` is lower than the array length. */ function unsafeMemoryAccess(uint256[] memory arr, uint256 pos) internal pure returns (uint256 res) { assembly { res := mload(add(add(arr, 0x20), mul(pos, 0x20))) } } /** * @dev Access an array in an "unsafe" way. Skips solidity "index-out-of-range" check. * * WARNING: Only use if you are certain `pos` is lower than the array length. */ function unsafeMemoryAccess(address[] memory arr, uint256 pos) internal pure returns (address res) { assembly { res := mload(add(add(arr, 0x20), mul(pos, 0x20))) } } }
// SPDX-License-Identifier: BSL-1.1 pragma solidity 0.8.25; /** * @title IValidator * @notice Interface defining a generic validator for transaction data. */ interface IValidator { /** * @notice Validates a transaction involving two addresses based on the provided calldata. * @param from The address initiating the transaction. * @param to The target address of the transaction. * @param data The transaction data containing the function selector and any necessary parameters. * @dev Implementers should validate that the transaction is authorized, properly formatted, and adheres to the required business logic. * Reverts if the transaction is invalid. */ function validate( address from, address to, bytes calldata data ) external view; }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity 0.8.25; /** * @title IPriceOracle * @notice Interface defining a standard price oracle that provides token prices in 96-bit precision. */ interface IPriceOracle { /** * @notice Returns the price of a specific token relative to the base token of the given vault, expressed in 96-bit precision. * @param vault The address of the vault requesting the price. * @param token The address of the token to calculate the price for. * @return priceX96_ The price of the token relative to the base token, using 96-bit precision. * @dev Implementations should ensure prices are accurate and may involve external oracle data. * Reverts with an appropriate error if the price cannot be provided. */ function priceX96( address vault, address token ) external view returns (uint256 priceX96_); }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity 0.8.25; /** * @title IRatiosOracle * @notice Interface for a ratios oracle, providing the target allocation ratios for a vault. */ interface IRatiosOracle { /** * @notice Retrieves the target allocation ratios (using 96-bit precision) for a specific vault's tokens. * @param vault The address of the vault requesting the ratios. * @param isDeposit A boolean indicating whether the ratios are for a deposit or a withdrawal. * @return ratiosX96 An array representing the target ratios for each token, expressed in 96-bit precision. * @dev The array of ratios should align with the underlying tokens associated with the vault. * Reverts if the ratios cannot be provided due to missing or mismatched data. */ function getTargetRatiosX96( address vault, bool isDeposit ) external view returns (uint128[] memory ratiosX96); }
// SPDX-License-Identifier: MIT pragma solidity 0.8.25; /** * @title IWithdrawalCallback * @notice Interface defining a callback function to handle post-withdrawal actions in processWithdrawals function. */ interface IWithdrawalCallback { /** * @notice Handles the callback after a withdrawal operation has been executed. * @dev This function should be implemented to carry out any additional actions required after the withdrawal. * It does not take any parameters and will be invoked once the withdrawal process is complete. */ function withdrawalCallback() external; }
// SPDX-License-Identifier: BSL-1.1 pragma solidity 0.8.25; import "@openzeppelin/contracts/utils/ReentrancyGuard.sol"; import "./IVault.sol"; /** * @title IVaultConfigurator * @notice Contract defining the configuration and access control for a vault system. * This interface specifies the parameters for the primary Vault contract, * facilitating secure configuration updates through a two-stage process: staging and committing, with each parameter update subject to a specified delay. * The stage function sets the new value and timestamp for the parameter, while the commit function finalizes the update * * The delay parameter is expressed in seconds and is defined for each parameter of this contract as follows: * - baseDelay: the base delay for stage/commit operations * - depositCallbackDelay: delay for changing the deposit callback contract address * - withdrawalCallbackDelay: delay for changing the withdrawal callback contract address * - withdrawalFeeD9Delay: delay for changing the withdrawal fee * - isDepositLockedDelay: delay for locking deposits * - areTransfersLockedDelay: delay for locking LP token transfers * - delegateModuleApprovalDelay: delay for approving delegated modules * - maximalTotalSupplyDelay: delay for changing the maximum total supply * - ratiosOracleDelay: delay for changing the ratios oracle address * - priceOracleDelay: delay for changing the price oracle address * - validatorDelay: delay for changing the validator address * - emergencyWithdrawalDelay: delay for withdrawing funds after calling registerWithdrawal * * Each of the above parameters has a pair of functions, stage/commit, through which their updates occur. The delay for all these parameters is set to baseDelay. * * With the exception of functions for isDepositLocked parameter, all mutable functions of the contract can only be called by the vault's admin. * Function for isDepositLocked parameter can be called by either the operator or the vault's admin * to enable faster deposit locking if deemed necessary from the operator/strategy standpoint. */ interface IVaultConfigurator { /// @dev Errors error AddressZero(); error InvalidDelay(); error InvalidTimestamp(); error InvalidWithdrawalFee(); error InvalidTotalSupply(); /// @notice Struct to represent a staged data change with a delay period. struct Data { uint256 value; // Current value uint256 stagedValue; // Staged value waiting to be committed uint256 stageTimestamp; // Timestamp of staging } /// @notice Returns the maximum allowed delay for any staged data. /// @return uint256 The constant `MAX_DELAY` indicating the maximum delay period (365 days). function MAX_DELAY() external pure returns (uint256); /// @notice Returns the maximum withdrawal fee allowed. /// @return uint256 The constant `MAX_WITHDRAWAL_FEE` indicating the maximum withdrawal fee (5%). function MAX_WITHDRAWAL_FEE() external pure returns (uint256); /// @notice Returns the address of the vault associated with this configurator. /// @return address of the vault contract. function vault() external view returns (address); ///@notice Stages an approval for the specified delegate module. /// @param module The address of the module to approve. function stageDelegateModuleApproval(address module) external; /// @notice Commits the previously staged delegate module approval after the delay period. /// @param module The address of the module to approve. function commitDelegateModuleApproval(address module) external; /// @notice Rolls back any staged delegate module approval. /// @param module The address of the module to roll back. function rollbackStagedDelegateModuleApproval(address module) external; /// @notice @notice Revokes the approval of the specified delegate module. /// @param module The address of the module to revoke approval from. function revokeDelegateModuleApproval(address module) external; /// @notice Returns the base delay value for all staging operations. /// @return uint256 The base delay value in seconds. function baseDelay() external view returns (uint256); /// @notice Checks if the specified delegate module is approved for use. /// @param module The address of the module to check. /// @return bool `true` if the module is approved, otherwise `false`. function isDelegateModuleApproved( address module ) external view returns (bool); /// @notice Returns whether deposits are currently locked. /// @notice operator owned parameter. /// @return bool `true` if deposits are locked, otherwise `false`. function isDepositLocked() external view returns (bool); /// @notice Returns whether LP token transfers are currently locked. /// @notice admin owned parameter. /// @return bool `true` if transfers are locked, otherwise `false`. function areTransfersLocked() external view returns (bool); /// @notice Returns the maximum total supply of LP tokens allowed. /// @return uint256 The maximum total supply of LP tokens. function maximalTotalSupply() external view returns (uint256); /// @notice Returns the address of the deposit callback contract. /// @return address The address of the deposit callback contract. function depositCallback() external view returns (address); /// @notice Returns the address of the withdrawal callback contract. /// @return address The address of the withdrawal callback contract. function withdrawalCallback() external view returns (address); /// @notice Returns the current withdrawal fee in D9 format. /// @return uint256 The withdrawal fee, represented as an integer with 9 decimal places. function withdrawalFeeD9() external view returns (uint256); /// @notice Returns the delay for committing deposit callback changes. /// @return uint256 The delay in seconds. function depositCallbackDelay() external view returns (uint256); /// @notice Returns the delay for committing withdrawal callback changes. /// @return uint256 The delay in seconds. function withdrawalCallbackDelay() external view returns (uint256); /// @notice Returns the delay for committing withdrawal fee changes. /// @return uint256 The delay in seconds. function withdrawalFeeD9Delay() external view returns (uint256); /// @notice Returns the delay for committing deposit locks. /// @return uint256 The delay in seconds. function isDepositLockedDelay() external view returns (uint256); /// @notice Returns the delay for committing transfers locks. /// @return uint256 The delay in seconds. function areTransfersLockedDelay() external view returns (uint256); /// @notice Returns the delay for committing delegate module approvals. /// @return uint256 The delay in seconds. function delegateModuleApprovalDelay() external view returns (uint256); /// @notice Returns the delay for committing maximum total supply changes. /// @return uint256 The delay in seconds. function maximalTotalSupplyDelay() external view returns (uint256); /// @notice Returns the address of the ratios oracle. /// @return address The address of the ratios oracle. function ratiosOracle() external view returns (address); /// @notice Returns the address of the price oracle. /// @return address The address of the price oracle. function priceOracle() external view returns (address); /// @notice Returns the address of the validator. /// @return address The address of the validator. function validator() external view returns (address); /// @notice Returns the delay for committing validator changes. /// @return uint256 The delay in seconds. function validatorDelay() external view returns (uint256); /// @notice Returns the delay for committing price oracle changes. /// @return uint256 The delay in seconds. function priceOracleDelay() external view returns (uint256); /// @notice Returns the delay for committing ratios oracle changes. /// @return uint256 The delay in seconds. function ratiosOracleDelay() external view returns (uint256); /// @notice Returns the delay required between calling `registerWithdrawal` and being able to perform an emergency withdrawal for that request. /// @return uint256 The minimum delay time, in seconds, that a user must wait after calling `registerWithdrawal` before executing an emergency withdrawal. function emergencyWithdrawalDelay() external view returns (uint256); /// @notice Stages the deposits lock by setting a staged value and timestamp. function stageDepositsLock() external; /// @notice Commits the previously staged deposits lock after the delay period. function commitDepositsLock() external; /// @notice Rolls back any staged deposits lock. function rollbackStagedDepositsLock() external; /// @notice Revokes the current deposits lock, unlocking deposits. function revokeDepositsLock() external; /// @notice Stages the transfers lock by setting a staged value and timestamp. /// @param flag The new value to stage. function stageTransfersLock(bool flag) external; /// @notice Commits the previously staged transfers lock after the delay period. function commitTransfersLock() external; /// @notice Rolls back any staged transfers lock. function rollbackStagedTransfersLock() external; /// @notice Stages the maximum total supply with a staged value and timestamp. /// @param maximalTotalSupply_ The maximum total supply to stage. function stageMaximalTotalSupply(uint256 maximalTotalSupply_) external; /// @notice Commits the previously staged maximum total supply after the delay period. function commitMaximalTotalSupply() external; /// @notice Rolls back any staged maximum total supply changes. function rollbackStagedMaximalTotalSupply() external; /// @notice Stages a new deposit callback address. /// @param callback The address of the new deposit callback contract. function stageDepositCallback(address callback) external; /// @notice Commits the previously staged deposit callback address after the delay period. function commitDepositCallback() external; /// @notice Rolls back any staged deposit callback changes. function rollbackStagedDepositCallback() external; /// @notice Stages a new withdrawal callback address. /// @param callback The address of the new withdrawal callback contract. function stageWithdrawalCallback(address callback) external; /// @notice Commits the previously staged withdrawal callback address after the delay period. function commitWithdrawalCallback() external; /// @notice Rolls back any staged withdrawal callback changes. function rollbackStagedWithdrawalCallback() external; /// @notice Stages a new withdrawal fee in D9 format. /// @param feeD9 The new withdrawal fee in D9 format. function stageWithdrawalFeeD9(uint256 feeD9) external; /// @notice Commits the previously staged withdrawal fee after the delay period. function commitWithdrawalFeeD9() external; /// @notice Rolls back any staged withdrawal fee changes. function rollbackStagedWithdrawalFeeD9() external; /// @notice Stages a base delay value. /// @param delay_ The base delay value to stage. function stageBaseDelay(uint256 delay_) external; /// @notice Commits the previously staged base delay after the delay period. function commitBaseDelay() external; /// @notice Rolls back any staged base delay changes. function rollbackStagedBaseDelay() external; /// @notice Stages a delay value for the deposit callback. /// @param delay_ The delay value to stage. function stageDepositCallbackDelay(uint256 delay_) external; /// @notice Commits the previously staged deposit callback delay after the delay period. function commitDepositCallbackDelay() external; /// @notice Rolls back any staged deposit callback delay changes. function rollbackStagedDepositCallbackDelay() external; /// @notice Stages a delay value for the withdrawal callback. /// @param delay_ The delay value to stage. function stageWithdrawalCallbackDelay(uint256 delay_) external; /// @notice Commits the previously staged withdrawal callback delay after the delay period. function commitWithdrawalCallbackDelay() external; /// @notice Rolls back any staged withdrawal callback delay changes. function rollbackStagedWithdrawalCallbackDelay() external; /// @notice Stages a delay value for the withdrawal fee in D9 format. /// @param delay_ The delay value to stage. function stageWithdrawalFeeD9Delay(uint256 delay_) external; /// @notice Commits the previously staged withdrawal fee delay after the delay period. function commitWithdrawalFeeD9Delay() external; /// @notice Rolls back any staged withdrawal fee delay changes. function rollbackStagedWithdrawalFeeD9Delay() external; /// @notice Stages a delay value for locking deposits. /// @param delay_ The delay value to stage. function stageDepositsLockedDelay(uint256 delay_) external; /// @notice Commits the previously staged deposits lock delay after the delay period. function commitDepositsLockedDelay() external; /// @notice Rolls back any staged deposits lock delay changes. function rollbackStagedDepositsLockedDelay() external; /// @notice Stages a delay value for locking transfers. /// @param delay_ The delay value to stage. function stageTransfersLockedDelay(uint256 delay_) external; /// @notice Commits the previously staged transfers lock delay after the delay period. function commitTransfersLockedDelay() external; /// @notice Rolls back any staged transfers lock delay changes. function rollbackStagedTransfersLockedDelay() external; /// @notice Stages a delay value for the delegate module approval. /// @param delay_ The delay value to stage. function stageDelegateModuleApprovalDelay(uint256 delay_) external; /// @notice Commits the previously staged delegate module approval delay after the delay period. function commitDelegateModuleApprovalDelay() external; /// @notice Rolls back any staged delegate module approval delay changes. function rollbackStagedDelegateModuleApprovalDelay() external; /// @notice Stages a delay value for the maximum total supply. /// @param delay_ The delay value to stage. function stageMaximalTotalSupplyDelay(uint256 delay_) external; /// @notice Commits the previously staged maximum total supply delay after the delay period. function commitMaximalTotalSupplyDelay() external; /// @notice Rolls back any staged maximum total supply delay changes. function rollbackStagedMaximalTotalSupplyDelay() external; /// @notice Stages a ratios oracle address. /// @param oracle The address of the new ratios oracle. function stageRatiosOracle(address oracle) external; /// @notice Commits the previously staged ratios oracle after the delay period. function commitRatiosOracle() external; /// @notice Rolls back any staged ratios oracle changes. function rollbackStagedRatiosOracle() external; /// @notice Stages a price oracle address. /// @param oracle The address of the new price oracle. function stagePriceOracle(address oracle) external; /// @notice Commits the previously staged price oracle after the delay period. function commitPriceOracle() external; /// @notice Rolls back any staged price oracle changes. function rollbackStagedPriceOracle() external; /// @notice Stages a validator address. /// @param validator_ The address of the new validator. function stageValidator(address validator_) external; /// @notice Commits the previously staged validator after the delay period. function commitValidator() external; /// @notice Rolls back any staged validator changes. function rollbackStagedValidator() external; /// @notice Stages a delay value for the validator. /// @param delay_ The delay value to stage. function stageValidatorDelay(uint256 delay_) external; /// @notice Commits the previously staged validator delay after the delay period. function commitValidatorDelay() external; /// @notice Rolls back any staged validator delay changes. function rollbackStagedValidatorDelay() external; /// @notice Stages a delay value for the price oracle. /// @param delay_ The delay value to stage. function stagePriceOracleDelay(uint256 delay_) external; /// @notice Commits the previously staged price oracle delay after the delay period. function commitPriceOracleDelay() external; /// @notice Rolls back any staged price oracle delay changes. function rollbackStagedPriceOracleDelay() external; /// @notice Stages a delay value for the ratios oracle. /// @param delay_ The delay value to stage. function stageRatiosOracleDelay(uint256 delay_) external; /// @notice Commits the previously staged ratios oracle delay after the delay period. function commitRatiosOracleDelay() external; /// @notice Rolls back any staged ratios oracle delay changes. function rollbackStagedRatiosOracleDelay() external; /// @notice Stages a delay value for emergency withdrawals. /// @param delay_ The delay value to stage. function stageEmergencyWithdrawalDelay(uint256 delay_) external; /// @notice Commits the previously staged emergency withdrawal delay. function commitEmergencyWithdrawalDelay() external; /// @notice Rolls back any staged emergency withdrawal delay changes. function rollbackStagedEmergencyWithdrawalDelay() external; /// @dev Emitted when a value is staged for future commitment for given slot. event Stage( bytes32 indexed slot, Data indexed data, uint256 value, uint256 timestamp ); /// @dev Emitted when a staged value is committed and updated for given slot. event Commit(bytes32 indexed slot, Data indexed data, uint256 timestamp); /// @dev Emitted when a staged value is rolled back without commitment for given slot. event Rollback(bytes32 indexed slot, Data indexed data, uint256 timestamp); }
// 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 0.8.25; import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol"; interface IBond is IERC20 { /** * @notice Emitted when debt is issued. * @param issuer address of the debt's issuer * @param recipient address that should receive the underlying asset * @param debtIssued amount of the debt issued */ event IssueDebt( address indexed issuer, address indexed recipient, uint256 debtIssued ); /** * @notice Emitted when debt is repaid. * @param issuer address of the debt's issuer * @param recipient address that received the underlying asset * @param debtRepaid amount of the debt repaid */ event RepayDebt( address indexed issuer, address indexed recipient, uint256 debtRepaid ); /** * @notice Get the bond's underlying asset. * @return asset address of the underlying asset */ function asset() external view returns (address); /** * @notice Get a total amount of repaid debt. * @return total repaid debt */ function totalRepaidDebt() external view returns (uint256); /** * @notice Get an amount of repaid debt created by a particular issuer. * @param issuer address of the debt's issuer * @return particular issuer's repaid debt */ function issuerRepaidDebt(address issuer) external view returns (uint256); /** * @notice Get an amount of repaid debt to a particular recipient. * @param recipient address that received the underlying asset * @return particular recipient's repaid debt */ function recipientRepaidDebt( address recipient ) external view returns (uint256); /** * @notice Get an amount of repaid debt for a particular issuer-recipient pair. * @param issuer address of the debt's issuer * @param recipient address that received the underlying asset * @return particular pair's repaid debt */ function repaidDebt( address issuer, address recipient ) external view returns (uint256); /** * @notice Get a total amount of debt. * @return total debt */ function totalDebt() external view returns (uint256); /** * @notice Get a current debt created by a particular issuer. * @param issuer address of the debt's issuer * @return particular issuer's debt */ function issuerDebt(address issuer) external view returns (uint256); /** * @notice Get a current debt to a particular recipient. * @param recipient address that should receive the underlying asset * @return particular recipient's debt */ function recipientDebt(address recipient) external view returns (uint256); /** * @notice Get a current debt for a particular issuer-recipient pair. * @param issuer address of the debt's issuer * @param recipient address that should receive the underlying asset * @return particular pair's debt */ function debt( address issuer, address recipient ) external view returns (uint256); /** * @notice Burn a given amount of the bond, and increase a debt of the underlying asset for the caller. * @param recipient address that should receive the underlying asset * @param amount amount of the bond */ function issueDebt(address recipient, uint256 amount) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (access/IAccessControl.sol) pragma solidity ^0.8.20; /** * @dev External interface of AccessControl declared to support ERC165 detection. */ interface IAccessControl { /** * @dev The `account` is missing a role. */ error AccessControlUnauthorizedAccount(address account, bytes32 neededRole); /** * @dev The caller of a function is not the expected one. * * NOTE: Don't confuse with {AccessControlUnauthorizedAccount}. */ error AccessControlBadConfirmation(); /** * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole` * * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite * {RoleAdminChanged} not being emitted signaling this. */ event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole); /** * @dev Emitted when `account` is granted `role`. * * `sender` is the account that originated the contract call, an admin role * bearer except when using {AccessControl-_setupRole}. */ event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Emitted when `account` is revoked `role`. * * `sender` is the account that originated the contract call: * - if using `revokeRole`, it is the admin role bearer * - if using `renounceRole`, it is the role bearer (i.e. `account`) */ event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) external view returns (bool); /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {AccessControl-_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) external view returns (bytes32); /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function grantRole(bytes32 role, address account) external; /** * @dev Revokes `role` from `account`. * * If `account` had been granted `role`, emits a {RoleRevoked} event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function revokeRole(bytes32 role, address account) external; /** * @dev Revokes `role` from the calling account. * * Roles are often managed via {grantRole} and {revokeRole}: this function's * purpose is to provide a mechanism for accounts to lose their privileges * if they are compromised (such as when a trusted device is misplaced). * * If the calling account had been granted `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `callerConfirmation`. */ function renounceRole(bytes32 role, address callerConfirmation) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol) pragma solidity ^0.8.20; /** * @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 Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } function _contextSuffixLength() internal view virtual returns (uint256) { return 0; } }
// 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 // 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) (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) (utils/StorageSlot.sol) // This file was procedurally generated from scripts/generate/templates/StorageSlot.js. pragma solidity ^0.8.20; /** * @dev Library for reading and writing primitive types to specific storage slots. * * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts. * This library helps with reading and writing to such slots without the need for inline assembly. * * The functions in this library return Slot structs that contain a `value` member that can be used to read or write. * * Example usage to set ERC1967 implementation slot: * ```solidity * contract ERC1967 { * bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; * * function _getImplementation() internal view returns (address) { * return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value; * } * * function _setImplementation(address newImplementation) internal { * require(newImplementation.code.length > 0); * StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation; * } * } * ``` */ library StorageSlot { struct AddressSlot { address value; } struct BooleanSlot { bool value; } struct Bytes32Slot { bytes32 value; } struct Uint256Slot { uint256 value; } struct StringSlot { string value; } struct BytesSlot { bytes value; } /** * @dev Returns an `AddressSlot` with member `value` located at `slot`. */ function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `BooleanSlot` with member `value` located at `slot`. */ function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `Bytes32Slot` with member `value` located at `slot`. */ function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `Uint256Slot` with member `value` located at `slot`. */ function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `StringSlot` with member `value` located at `slot`. */ function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `StringSlot` representation of the string storage pointer `store`. */ function getStringSlot(string storage store) internal pure returns (StringSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := store.slot } } /** * @dev Returns an `BytesSlot` with member `value` located at `slot`. */ function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`. */ function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := store.slot } } }
// 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); }
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Contract Security Audit
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IDefaultBondStrategy.Data[]","name":"data","type":"tuple[]"}],"name":"setData","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"tokenToData","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"vault","outputs":[{"internalType":"contract IVault","name":"","type":"address"}],"stateMutability":"view","type":"function"}]
Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000188858ac61a74350116d1cb6958fbc509fd6afa1000000000000000000000000beef69ac7870777598a04b2bd4771c71212e6abc0000000000000000000000001eb0e946d7d757d7b085b779a146427e40abbcf8000000000000000000000000d8619769fed318714d362bff01ca98ac938bdf9b
-----Decoded View---------------
Arg [0] : admin (address): 0x188858AC61a74350116d1CB6958fBc509FD6afA1
Arg [1] : vault_ (address): 0xBEEF69Ac7870777598A04B2bd4771c71212E6aBc
Arg [2] : erc20TvlModule_ (address): 0x1EB0e946D7d757d7b085b779a146427e40ABBCf8
Arg [3] : bondModule_ (address): 0xD8619769fed318714d362BfF01CA98ac938Bdf9b
-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 000000000000000000000000188858ac61a74350116d1cb6958fbc509fd6afa1
Arg [1] : 000000000000000000000000beef69ac7870777598a04b2bd4771c71212e6abc
Arg [2] : 0000000000000000000000001eb0e946d7d757d7b085b779a146427e40abbcf8
Arg [3] : 000000000000000000000000d8619769fed318714d362bff01ca98ac938bdf9b
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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.