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Latest 25 from a total of 382 transactions
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Redeem | 18642158 | 285 days ago | IN | 0 ETH | 0.00582837 | ||||
Redeem | 18642155 | 285 days ago | IN | 0 ETH | 0.00167591 | ||||
Mint | 18628788 | 287 days ago | IN | 0 ETH | 0.00319034 | ||||
Mint | 18593298 | 292 days ago | IN | 0 ETH | 0.00584103 | ||||
Redeem | 18588158 | 293 days ago | IN | 0 ETH | 0.00393581 | ||||
Mint | 18587013 | 293 days ago | IN | 0 ETH | 0.00719629 | ||||
Redeem | 18579296 | 294 days ago | IN | 0 ETH | 0.00845218 | ||||
Mint | 18579216 | 294 days ago | IN | 0 ETH | 0.00772901 | ||||
Redeem | 18559857 | 297 days ago | IN | 0 ETH | 0.00587017 | ||||
Mint | 18542128 | 299 days ago | IN | 0 ETH | 0.00644466 | ||||
Redeem | 18535889 | 300 days ago | IN | 0 ETH | 0.01166518 | ||||
Mint | 18535633 | 300 days ago | IN | 0 ETH | 0.00594624 | ||||
Disable Mint Red... | 18535620 | 300 days ago | IN | 0 ETH | 0.0058856 | ||||
Mint | 18533855 | 301 days ago | IN | 0 ETH | 0.00602477 | ||||
Redeem | 18529194 | 301 days ago | IN | 0 ETH | 0.0108203 | ||||
Mint | 18529170 | 301 days ago | IN | 0 ETH | 0.00902836 | ||||
Redeem | 18527950 | 301 days ago | IN | 0 ETH | 0.0071498 | ||||
Mint | 18527669 | 301 days ago | IN | 0 ETH | 0.00690658 | ||||
Redeem | 18527666 | 301 days ago | IN | 0 ETH | 0.00648371 | ||||
Mint | 18526100 | 302 days ago | IN | 0 ETH | 0.00401577 | ||||
Mint | 18522337 | 302 days ago | IN | 0 ETH | 0.00648509 | ||||
Redeem | 18517669 | 303 days ago | IN | 0 ETH | 0.00362239 | ||||
Mint | 18501636 | 305 days ago | IN | 0 ETH | 0.00243098 | ||||
Redeem | 18501001 | 305 days ago | IN | 0 ETH | 0.00219805 | ||||
Mint | 18496090 | 306 days ago | IN | 0 ETH | 0.0024113 |
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Contract Name:
EthenaMinting
Compiler Version
v0.8.19+commit.7dd6d404
Optimization Enabled:
Yes with 20000 runs
Other Settings:
paris EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.19; import '@openzeppelin/contracts/access/Ownable.sol'; import '@openzeppelin/contracts/access/AccessControl.sol'; import '@openzeppelin/contracts/security/ReentrancyGuard.sol'; import '@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol'; import '@openzeppelin/contracts-upgradeable/utils/structs/EnumerableSetUpgradeable.sol'; import './interfaces/IUSDe.sol'; import './interfaces/IEthenaMinting.sol'; /** * @title Ethena Minting * @notice This contract mints and redeems USDe in a single, atomic, trustless transaction */ contract EthenaMinting is IEthenaMinting, Ownable, AccessControl, ReentrancyGuard { using SafeERC20 for IERC20; using EnumerableSetUpgradeable for EnumerableSetUpgradeable.AddressSet; /* --------------- CONSTANTS --------------- */ /// @notice EIP712 domain bytes32 public constant EIP712_DOMAIN = keccak256('EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)'); /// @notice route type bytes32 public constant ROUTE_TYPE = keccak256('Route(address[] addresses,uint256[] ratios)'); /// @notice order type bytes32 public constant ORDER_TYPE = keccak256( 'Order(uint8 order_type,uint256 expiry,uint256 nonce,address benefactor,address beneficiary,address collateral_asset,uint256 collateral_amount,uint256 usde_amount)' ); // keccak256('MINTER_ROLE'); bytes32 public constant MINTER_ROLE = 0x9f2df0fed2c77648de5860a4cc508cd0818c85b8b8a1ab4ceeef8d981c8956a6; // keccak256('REDEEMER_ROLE'); bytes32 public constant REDEEMER_ROLE = 0x44ac9762eec3a11893fefb11d028bb3102560094137c3ed4518712475b2577cc; // keccak256('GATEKEEPER_ROLE'); bytes32 public constant GATEKEEPER_ROLE = 0x3c63e605be3290ab6b04cfc46c6e1516e626d43236b034f09d7ede1d017beb0c; /// @notice EIP712 domain hash bytes32 public constant EIP712_DOMAIN_TYPEHASH = keccak256(abi.encodePacked(EIP712_DOMAIN)); /// @notice address denoting native ether address public constant NATIVE_TOKEN = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE; /// @notice holds EIP712 revision bytes32 private constant _EIP712_REVISION = keccak256('1'); /* --------------- STATE VARIABLES --------------- */ /// @notice usde stablecoin IUSDe public usde; /// @notice Supported assets EnumerableSetUpgradeable.AddressSet internal _supportedAssets; // @notice custodian addresses EnumerableSetUpgradeable.AddressSet internal _custodianAddresses; /// @notice holds computable chain id uint256 private immutable _chainId; /// @notice holds computable domain separator bytes32 private immutable _domainSeparator; /// @notice user deduplication mapping(address => mapping(uint256 => uint256)) private _orderBitmaps; /// @notice USDe minted per block mapping(uint256 => uint256) public mintedPerBlock; /// @notice USDe redeemed per block mapping(uint256 => uint256) public redeemedPerBlock; /// @notice For smart contracts to delegate signing to EOA address mapping(address => address) public delegatedSigner; /// @notice max minted USDe allowed per block uint256 public maxMintPerBlock; /// @notice max redeemed USDe allowed per block uint256 public maxRedeemPerBlock; /* --------------- MODIFIERS --------------- */ /// @notice ensure that the already minted USDe in the actual block plus the amount to be minted is below the maxMintPerBlock var /// @param mintAmount The USDe amount to be minted modifier belowMaxMintPerBlock(uint256 mintAmount) { if (mintedPerBlock[block.number] + mintAmount > maxMintPerBlock) revert MaxMintPerBlockExceeded(); _; } /// @notice ensure that the already redeemed USDe in the actual block plus the amount to be redeemed is below the maxRedeemPerBlock var /// @param redeemAmount The USDe amount to be redeemed modifier belowMaxRedeemPerBlock(uint256 redeemAmount) { if (redeemedPerBlock[block.number] + redeemAmount > maxRedeemPerBlock) revert MaxRedeemPerBlockExceeded(); _; } /* --------------- CONSTRUCTOR --------------- */ constructor( IUSDe _usde, address[] memory _assets, address[] memory _custodians, address _owner, uint256 _maxMintPerBlock, uint256 _maxRedeemPerBlock ) { if (address(_usde) == address(0)) revert InvalidUSDeAddress(); if (_assets.length == 0) revert NoAssetsProvided(); if (_owner == address(0)) revert InvalidZeroAddress(); usde = _usde; for (uint256 i = 0; i < _assets.length; i++) { addSupportedAsset(_assets[i]); } for (uint256 j = 0; j < _custodians.length; j++) { addCustodianAddress(_custodians[j]); } // Set the max mint/redeem limits per block _setMaxMintPerBlock(_maxMintPerBlock); _setMaxRedeemPerBlock(_maxRedeemPerBlock); _grantRole(DEFAULT_ADMIN_ROLE, _owner); _transferOwnership(_owner); _chainId = _getChainID(); _domainSeparator = _computeDomainSeparator(); emit USDeSet(address(_usde)); } /* --------------- EXTERNAL --------------- */ /** * @notice Mint stablecoins from assets * @param order struct containing order details and confirmation from server * @param signature signature of the taker */ function mint( Order calldata order, Route calldata route, Signature calldata signature ) public override nonReentrant onlyRole(MINTER_ROLE) belowMaxMintPerBlock(order.usde_amount) { verifyOrder(order, signature); if (!verifyRoute(route, order.order_type)) revert InvalidRoute(); if (!_deduplicateOrder(order.benefactor, order.nonce)) revert Duplicate(); // Add to the minted amount in this block mintedPerBlock[block.number] += order.usde_amount; _transferCollateral(order.collateral_amount, order.collateral_asset, order.benefactor, route.addresses, route.ratios); usde.mint(order.beneficiary, order.usde_amount); emit Mint(msg.sender, order.benefactor, order.beneficiary, order.collateral_asset, order.collateral_amount, order.usde_amount); } /** * @notice Redeem stablecoins for assets * @param order struct containing order details and confirmation from server * @param signature signature of the taker */ function redeem( Order calldata order, Signature calldata signature ) public override nonReentrant onlyRole(REDEEMER_ROLE) belowMaxRedeemPerBlock(order.usde_amount) { require(order.order_type == OrderType.REDEEM); verifyOrder(order, signature); if (!_deduplicateOrder(order.benefactor, order.nonce)) revert Duplicate(); // Add to the redeemed amount in this block redeemedPerBlock[block.number] += order.usde_amount; usde.burnFrom(order.benefactor, order.usde_amount); _transferToBeneficiary(order.beneficiary, order.collateral_asset, order.collateral_amount); emit Redeem(msg.sender, order.benefactor, order.beneficiary, order.collateral_asset, order.collateral_amount, order.usde_amount); } /// @notice Sets the usde contract address. function setUSDe(IUSDe _usde) external onlyOwner { if (address(_usde) == address(0)) revert InvalidAddress(); address oldUSDe = address(usde); usde = _usde; emit USDeChanged(oldUSDe, address(usde)); } /// @notice Sets the max mintPerBlock limit function setMaxMintPerBlock(uint256 _maxMintPerBlock) external onlyRole(DEFAULT_ADMIN_ROLE) { _setMaxMintPerBlock(_maxMintPerBlock); } /// @notice Sets the max redeemPerBlock limit function setMaxRedeemPerBlock(uint256 _maxRedeemPerBlock) external onlyRole(DEFAULT_ADMIN_ROLE) { _setMaxRedeemPerBlock(_maxRedeemPerBlock); } /// @notice Disables the mint and redeem function disableMintRedeem() external onlyRole(GATEKEEPER_ROLE) { _setMaxMintPerBlock(0); _setMaxRedeemPerBlock(0); } /// @notice Enables smart contracts to delegate an address for signing function setDelegatedSigner(address _delegateTo) external { delegatedSigner[_delegateTo] = msg.sender; } /// @notice transfers an asset to a custody wallet function transferToCustody( address wallet, address asset, uint256 amount ) external nonReentrant onlyRole(MINTER_ROLE) { if (wallet == address(0) || !_custodianAddresses.contains(wallet)) revert InvalidAddress(); if (asset == NATIVE_TOKEN) { (bool success, ) = wallet.call{value: amount}(''); if (!success) revert TransferFailed(); } else { IERC20(asset).safeTransfer(wallet, amount); } emit CustodyTransfer(wallet, asset, amount); } /// @notice Removes an asset from the supported assets list function removeSupportedAsset(address asset) external onlyOwner { if (!_supportedAssets.contains(asset)) revert InvalidAssetAddress(); _supportedAssets.remove(asset); emit AssetRemoved(asset); } /// @notice Checks if an asset is supported. function isSupportedAsset(address asset) external view returns (bool) { return _supportedAssets.contains(asset); } /// @notice Removes an custodian from the custodian address list function removeCustodianAddress(address custodian) external onlyOwner { if (!_custodianAddresses.contains(custodian)) revert InvalidCustodianAddress(); _custodianAddresses.remove(custodian); emit CustodianAddressRemoved(custodian); } /// @notice Removes the minter role from an account, this can ONLY be executed by the gatekeeper role /// @param minter The address to remove the minter role from function removeMinterRole(address minter) external onlyRole(GATEKEEPER_ROLE) { _revokeRole(MINTER_ROLE, minter); } /// @notice Removes the redeemer role from an account, this can ONLY be executed by the gatekeeper role /// @param redeemer The address to remove the redeemer role from function removeRedeemerRole(address redeemer) external onlyRole(GATEKEEPER_ROLE) { _revokeRole(REDEEMER_ROLE, redeemer); } /* --------------- PUBLIC --------------- */ /// @notice Adds an asset to the supported assets list. function addSupportedAsset(address asset) public onlyOwner { if (asset == address(0) || asset == address(usde) || _supportedAssets.contains(asset)) revert InvalidAssetAddress(); _supportedAssets.add(asset); emit AssetAdded(asset); } /// @notice Adds an custodian to the supported custodians list. function addCustodianAddress(address custodian) public onlyOwner { if (custodian == address(0) || custodian == address(usde) || _custodianAddresses.contains(custodian)) revert InvalidCustodianAddress(); _custodianAddresses.add(custodian); emit CustodianAddressAdded(custodian); } /// @notice Get the domain separator for the token /// @dev Return cached value if chainId matches cache, otherwise recomputes separator, to prevent replay attack across forks /// @return The domain separator of the token at current chain function getDomainSeparator() public view returns (bytes32) { if (_getChainID() == _chainId) { return _domainSeparator; } return _computeDomainSeparator(); } /// @notice hash an Order struct function hashOrder(Order memory order) public view override returns (bytes32) { return keccak256(abi.encodePacked('\x19\x01', getDomainSeparator(), keccak256(encodeOrder(order)))); } function encodeOrder(Order memory order) public pure returns (bytes memory) { return abi.encode( ORDER_TYPE, order.order_type, order.expiry, order.nonce, order.benefactor, order.beneficiary, order.collateral_asset, order.collateral_amount, order.usde_amount ); } function encodeRoute(Route memory route) public pure returns (bytes memory) { return abi.encode(ROUTE_TYPE, route.addresses, route.ratios); } /// @notice assert validity of signed order function verifyOrder( Order calldata order, Signature calldata signature ) public view override returns (bool, bytes32) { bytes32 taker_order_hash = hashOrder(order); if (signature.signature_bytes.length != 65) revert InvalidSignatureLength(); (bytes32 r, bytes32 s, uint8 v) = getRsv(signature.signature_bytes); address signer = ecrecover(taker_order_hash, v, r, s); if (!(signer == order.benefactor || delegatedSigner[signer] == order.benefactor)) revert InvalidSignature(); if (order.beneficiary == address(0)) revert InvalidAmount(); if (order.collateral_amount == 0) revert InvalidAmount(); if (order.usde_amount == 0) revert InvalidAmount(); if (block.timestamp > order.expiry) revert SignatureExpired(); return (true, taker_order_hash); } /// @notice assert validity of route object per type function verifyRoute(Route calldata route, OrderType orderType) public view override returns (bool) { // routes only used to mint if (orderType == OrderType.REDEEM) { return true; } uint256 totalRatio = 0; if (route.addresses.length != route.ratios.length) { return false; } if (route.addresses.length == 0) { return false; } for (uint i = 0; i < route.addresses.length; ++i) { if (!_custodianAddresses.contains(route.addresses[i]) || route.addresses[i] == address(0) || route.ratios[i] == 0) { return false; } totalRatio += route.ratios[i]; } if (totalRatio != 10_000) { return false; } return true; } /// @notice verify validity of nonce by checking its presence function verifyNonce(address sender, uint256 nonce) public view override returns (bool, uint256, uint256, uint256) { require(nonce > 0, 'Invalid nonce'); uint256 invalidatorSlot = uint64(nonce) >> 8; uint256 invalidatorBit = 1 << uint8(nonce); mapping(uint256 => uint256) storage invalidatorStorage = _orderBitmaps[sender]; uint256 invalidator = invalidatorStorage[invalidatorSlot]; require(invalidator & invalidatorBit == 0, 'Invalid nonce'); return (true, invalidatorSlot, invalidator, invalidatorBit); } /// @notice unpacks r, s, v from signature bytes function getRsv(bytes memory sig) public pure returns (bytes32, bytes32, uint8) { bytes32 r; bytes32 s; uint8 v; assembly { r := mload(add(sig, 32)) s := mload(add(sig, 64)) v := and(mload(add(sig, 65)), 255) } if (v < 27) v += 27; return (r, s, v); } /// @notice packs r, s, v into signature bytes function packRsv(bytes32 r, bytes32 s, uint8 v) public pure returns (bytes memory) { bytes memory sig = new bytes(65); assembly { mstore(add(sig, 32), r) mstore(add(sig, 64), s) mstore8(add(sig, 96), v) } return sig; } /* --------------- PRIVATE --------------- */ /// @notice deduplication of taker order function _deduplicateOrder(address sender, uint256 nonce) private returns (bool) { (bool valid, uint256 invalidatorSlot, uint256 invalidator, uint256 invalidatorBit) = verifyNonce(sender, nonce); mapping(uint256 => uint256) storage invalidatorStorage = _orderBitmaps[sender]; invalidatorStorage[invalidatorSlot] = invalidator | invalidatorBit; return valid; } /* --------------- INTERNAL --------------- */ /// @notice transfer supported asset to beneficiary address function _transferToBeneficiary(address beneficiary, address asset, uint256 amount) internal { if (asset == NATIVE_TOKEN) { if (address(this).balance < amount) revert InvalidAmount(); (bool success, ) = (beneficiary).call{value: amount}(''); if (!success) revert TransferFailed(); } else { if (!_supportedAssets.contains(asset)) revert UnsupportedAsset(); IERC20(asset).safeTransfer(beneficiary, amount); } } /// @notice transfer supported asset to array of custody addresses per defined ratio function _transferCollateral( uint256 amount, address asset, address benefactor, address[] calldata addresses, uint256[] calldata ratios ) internal { // cannot mint using unsupported asset or native ETH even if it is supported for redemptions if (!_supportedAssets.contains(asset) || asset == NATIVE_TOKEN) revert UnsupportedAsset(); IERC20 token = IERC20(asset); uint256 totalTransferred = 0; for (uint i = 0; i < addresses.length; ++i) { uint256 amountToTransfer = (amount * ratios[i]) / 10_000; token.safeTransferFrom(benefactor, addresses[i], amountToTransfer); totalTransferred += amountToTransfer; } uint256 remainingBalance = amount - totalTransferred; if (remainingBalance > 0) { token.safeTransferFrom(benefactor, addresses[addresses.length - 1], remainingBalance); } } /// @notice Sets the max mintPerBlock limit function _setMaxMintPerBlock(uint256 _maxMintPerBlock) internal { uint256 oldMaxMintPerBlock = maxMintPerBlock; maxMintPerBlock = _maxMintPerBlock; emit MaxMintPerBlockChanged(oldMaxMintPerBlock, maxMintPerBlock); } /// @notice Sets the max redeemPerBlock limit function _setMaxRedeemPerBlock(uint256 _maxRedeemPerBlock) internal { uint256 oldMaxRedeemPerBlock = maxRedeemPerBlock; maxRedeemPerBlock = _maxRedeemPerBlock; emit MaxRedeemPerBlockChanged(oldMaxRedeemPerBlock, maxRedeemPerBlock); } function ecr(bytes32 message, uint8 v, bytes32 r, bytes32 s) public pure returns (address sender) { return ecrecover(message, v, r, s); } /// @notice Compute the current domain separator /// @return The domain separator for the token function _computeDomainSeparator() internal view returns (bytes32) { return keccak256(abi.encode(EIP712_DOMAIN, _getEIP712BaseId(), _EIP712_REVISION, _getChainID(), address(this))); } /// @notice returns the EIP712 base id function _getEIP712BaseId() internal pure returns (bytes32) { return keccak256('EthenaMinting'); } /// @notice returns the chain id function _getChainID() internal view returns (uint256) { uint256 id; assembly { id := chainid() } return id; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol) pragma solidity ^0.8.0; import "../utils/Context.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _transferOwnership(_msgSender()); } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { require(owner() == _msgSender(), "Ownable: caller is not the owner"); } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby disabling any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (access/AccessControl.sol) pragma solidity ^0.8.0; import "./IAccessControl.sol"; import "../utils/Context.sol"; import "../utils/Strings.sol"; import "../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 => bool) members; bytes32 adminRole; } mapping(bytes32 => RoleData) private _roles; bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00; /** * @dev Modifier that checks that an account has a specific role. Reverts * with a standardized message including the required role. * * The format of the revert reason is given by the following regular expression: * * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/ * * _Available since v4.1._ */ modifier onlyRole(bytes32 role) { _checkRole(role); _; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId); } /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) public view virtual override returns (bool) { return _roles[role].members[account]; } /** * @dev Revert with a standard message if `_msgSender()` is missing `role`. * Overriding this function changes the behavior of the {onlyRole} modifier. * * Format of the revert message is described in {_checkRole}. * * _Available since v4.6._ */ function _checkRole(bytes32 role) internal view virtual { _checkRole(role, _msgSender()); } /** * @dev Revert with a standard message if `account` is missing `role`. * * The format of the revert reason is given by the following regular expression: * * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/ */ function _checkRole(bytes32 role, address account) internal view virtual { if (!hasRole(role, account)) { revert( string( abi.encodePacked( "AccessControl: account ", Strings.toHexString(account), " is missing role ", Strings.toHexString(uint256(role), 32) ) ) ); } } /** * @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 override 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 override 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 override 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 `account`. * * May emit a {RoleRevoked} event. */ function renounceRole(bytes32 role, address account) public virtual override { require(account == _msgSender(), "AccessControl: can only renounce roles for self"); _revokeRole(role, account); } /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. Note that unlike {grantRole}, this function doesn't perform any * checks on the calling account. * * May emit a {RoleGranted} event. * * [WARNING] * ==== * This function should only be called from the constructor when setting * up the initial roles for the system. * * Using this function in any other way is effectively circumventing the admin * system imposed by {AccessControl}. * ==== * * NOTE: This function is deprecated in favor of {_grantRole}. */ function _setupRole(bytes32 role, address account) internal virtual { _grantRole(role, account); } /** * @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 Grants `role` to `account`. * * Internal function without access restriction. * * May emit a {RoleGranted} event. */ function _grantRole(bytes32 role, address account) internal virtual { if (!hasRole(role, account)) { _roles[role].members[account] = true; emit RoleGranted(role, account, _msgSender()); } } /** * @dev Revokes `role` from `account`. * * Internal function without access restriction. * * May emit a {RoleRevoked} event. */ function _revokeRole(bytes32 role, address account) internal virtual { if (hasRole(role, account)) { _roles[role].members[account] = false; emit RoleRevoked(role, account, _msgSender()); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (security/ReentrancyGuard.sol) pragma solidity ^0.8.0; /** * @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; 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 require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // 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 v4.9.0) (token/ERC20/utils/SafeERC20.sol) pragma solidity ^0.8.0; import "../IERC20.sol"; import "../extensions/IERC20Permit.sol"; import "../../../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 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.encodeWithSelector(token.transfer.selector, 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.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /** * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. */ function safeApprove(IERC20 token, address spender, uint256 value) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' require( (value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, 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); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance + value)); } /** * @dev Decrease the calling contract's allowance toward `spender` by `value`. If `token` returns no value, * non-reverting calls are assumed to be successful. */ function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal { unchecked { uint256 oldAllowance = token.allowance(address(this), spender); require(oldAllowance >= value, "SafeERC20: decreased allowance below zero"); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value)); } } /** * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value, * non-reverting calls are assumed to be successful. Compatible with tokens that require the approval to be set to * 0 before setting it to a non-zero value. */ function forceApprove(IERC20 token, address spender, uint256 value) internal { bytes memory approvalCall = abi.encodeWithSelector(token.approve.selector, spender, value); if (!_callOptionalReturnBool(token, approvalCall)) { _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, 0)); _callOptionalReturn(token, approvalCall); } } /** * @dev Use a ERC-2612 signature to set the `owner` approval toward `spender` on `token`. * Revert on invalid signature. */ function safePermit( IERC20Permit token, address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) internal { uint256 nonceBefore = token.nonces(owner); token.permit(owner, spender, value, deadline, v, r, s); uint256 nonceAfter = token.nonces(owner); require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed"); } /** * @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, "SafeERC20: low-level call failed"); require(returndata.length == 0 || abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } /** * @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.isContract(address(token)); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/structs/EnumerableSet.sol) // This file was procedurally generated from scripts/generate/templates/EnumerableSet.js. pragma solidity ^0.8.0; /** * @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 EnumerableSetUpgradeable { // 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 of the value in the `values` array, plus 1 because index 0 // means a value is not in the set. mapping(bytes32 => uint256) _indexes; } /** * @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._indexes[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 read and store the value's index to prevent multiple reads from the same storage slot uint256 valueIndex = set._indexes[value]; if (valueIndex != 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 toDeleteIndex = valueIndex - 1; uint256 lastIndex = set._values.length - 1; if (lastIndex != toDeleteIndex) { bytes32 lastValue = set._values[lastIndex]; // Move the last value to the index where the value to delete is set._values[toDeleteIndex] = lastValue; // Update the index for the moved value set._indexes[lastValue] = valueIndex; // Replace lastValue's index to valueIndex } // Delete the slot where the moved value was stored set._values.pop(); // Delete the index for the deleted slot delete set._indexes[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._indexes[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: GPL-3.0 pragma solidity ^0.8.0; import '@openzeppelin/contracts/token/ERC20/IERC20.sol'; import '@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol'; import '@openzeppelin/contracts/token/ERC20/extensions/draft-IERC20Permit.sol'; interface IUSDe is IERC20, IERC20Permit, IERC20Metadata { function mint(address _to, uint256 _amount) external; function burn(uint256 _amount) external; function burnFrom(address account, uint256 amount) external; function grantRole(bytes32 role, address account) external; }
// SPDX-License-Identifier: MIT pragma solidity 0.8.19; import './IEthenaMintingEvents.sol'; interface IEthenaMinting is IEthenaMintingEvents { enum Role { Minter, Redeemer } enum OrderType { MINT, REDEEM } enum SignatureType { EIP712 } struct Signature { SignatureType signature_type; bytes signature_bytes; } struct Route { address[] addresses; uint256[] ratios; } struct Order { OrderType order_type; uint256 expiry; uint256 nonce; address benefactor; address beneficiary; address collateral_asset; uint256 collateral_amount; uint256 usde_amount; } error Duplicate(); error InvalidAddress(); error InvalidUSDeAddress(); error InvalidZeroAddress(); error InvalidAssetAddress(); error InvalidCustodianAddress(); error InvalidOrder(); error InvalidAffirmedAmount(); error InvalidAmount(); error InvalidRoute(); error UnsupportedAsset(); error NoAssetsProvided(); error InvalidSignature(); error InvalidSignatureLength(); error SignatureExpired(); error TransferFailed(); error MaxMintPerBlockExceeded(); error MaxRedeemPerBlockExceeded(); function hashOrder(Order memory order) external view returns (bytes32); function verifyOrder(Order memory order, Signature memory signature) external view returns (bool, bytes32); function verifyRoute(Route memory route, OrderType order_type) external view returns (bool); function verifyNonce(address sender, uint256 nonce) external view returns (bool, uint256, uint256, uint256); function mint(Order memory order, Route memory route, Signature memory signature) external; function redeem(Order memory order, Signature memory signature) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @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; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol) pragma solidity ^0.8.0; /** * @dev External interface of AccessControl declared to support ERC165 detection. */ interface IAccessControl { /** * @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. * * _Available since v3.1._ */ 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 `account`. */ function renounceRole(bytes32 role, address account) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/Strings.sol) pragma solidity ^0.8.0; import "./math/Math.sol"; import "./math/SignedMath.sol"; /** * @dev String operations. */ library Strings { bytes16 private constant _SYMBOLS = "0123456789abcdef"; uint8 private constant _ADDRESS_LENGTH = 20; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { unchecked { uint256 length = Math.log10(value) + 1; string memory buffer = new string(length); uint256 ptr; /// @solidity memory-safe-assembly assembly { ptr := add(buffer, add(32, length)) } while (true) { ptr--; /// @solidity memory-safe-assembly assembly { mstore8(ptr, byte(mod(value, 10), _SYMBOLS)) } value /= 10; if (value == 0) break; } return buffer; } } /** * @dev Converts a `int256` to its ASCII `string` decimal representation. */ function toString(int256 value) internal pure returns (string memory) { return string(abi.encodePacked(value < 0 ? "-" : "", toString(SignedMath.abs(value)))); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { unchecked { return toHexString(value, Math.log256(value) + 1); } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH); } /** * @dev Returns true if the two strings are equal. */ function equal(string memory a, string memory b) internal pure returns (bool) { return keccak256(bytes(a)) == keccak256(bytes(b)); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; import "./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); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.0; /** * @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 amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` 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 amount) 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 `amount` 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 amount) external returns (bool); /** * @dev Moves `amount` tokens from `from` to `to` using the * allowance mechanism. `amount` 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 amount) external returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/extensions/IERC20Permit.sol) pragma solidity ^0.8.0; /** * @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. */ 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]. */ 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 v4.9.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * * Furthermore, `isContract` will also return true if the target contract within * the same transaction is already scheduled for destruction by `SELFDESTRUCT`, * which only has an effect at the end of a transaction. * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @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/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @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, it is bubbled up by this * function (like regular Solidity function calls). * * 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. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @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`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract. * * _Available since v4.8._ */ function verifyCallResultFromTarget( address target, bool success, bytes memory returndata, string memory errorMessage ) internal view returns (bytes memory) { if (success) { if (returndata.length == 0) { // only check isContract if the call was successful and the return data is empty // otherwise we already know that it was a contract require(isContract(target), "Address: call to non-contract"); } return returndata; } else { _revert(returndata, errorMessage); } } /** * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason or using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { _revert(returndata, errorMessage); } } function _revert(bytes memory returndata, string memory errorMessage) 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(errorMessage); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol) pragma solidity ^0.8.0; import "../IERC20.sol"; /** * @dev Interface for the optional metadata functions from the ERC20 standard. * * _Available since v4.1._ */ 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 v4.9.0) (token/ERC20/extensions/draft-IERC20Permit.sol) pragma solidity ^0.8.0; // EIP-2612 is Final as of 2022-11-01. This file is deprecated. import "./IERC20Permit.sol";
// SPDX-License-Identifier: MIT pragma solidity 0.8.19; interface IEthenaMintingEvents { /// @notice Event emitted when USDe is minted event Mint( address minter, address benefactor, address beneficiary, address indexed collateral_asset, uint256 indexed collateral_amount, uint256 indexed usde_amount ); /// @notice Event emitted when funds are redeemed event Redeem( address redeemer, address benefactor, address beneficiary, address indexed collateral_asset, uint256 indexed collateral_amount, uint256 indexed usde_amount ); /// @notice Event emitted when custody wallet is added event CustodyWalletAdded(address wallet); /// @notice Event emitted when a custody wallet is removed event CustodyWalletRemoved(address wallet); /// @notice Event emitted when a supported asset is added event AssetAdded(address indexed asset); /// @notice Event emitted when a supported asset is removed event AssetRemoved(address indexed asset); // @notice Event emitted when a custodian address is added event CustodianAddressAdded(address indexed custodian); // @notice Event emitted when a custodian address is removed event CustodianAddressRemoved(address indexed custodian); /// @notice Event emitted when assets are moved to custody provider wallet event CustodyTransfer(address indexed wallet, address indexed asset, uint256 amount); /// @notice Event emitted when USDe is set event USDeSet(address indexed USDe); /// @notice Event emitted when USDe is changed event USDeChanged(address indexed oldUSDe, address indexed newUSDe); /// @notice Event emitted when the max mint per block is changed event MaxMintPerBlockChanged(uint256 indexed oldMaxMintPerBlock, uint256 indexed newMaxMintPerBlock); /// @notice Event emitted when the max redeem per block is changed event MaxRedeemPerBlockChanged(uint256 indexed oldMaxRedeemPerBlock, uint256 indexed newMaxRedeemPerBlock); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/math/Math.sol) pragma solidity ^0.8.0; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { enum Rounding { Down, // Toward negative infinity Up, // Toward infinity Zero // Toward zero } /** * @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 up instead * of rounding down. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { // (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; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) prod0 := mul(x, y) 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. require(denominator > prod1, "Math: mulDiv overflow"); /////////////////////////////////////////////// // 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. // Does not overflow because the denominator cannot be zero at this stage in the function. uint256 twos = denominator & (~denominator + 1); 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 (rounding == Rounding.Up && 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 down. * * 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 + (rounding == Rounding.Up && result * result < a ? 1 : 0); } } /** * @dev Return the log in base 2, rounded down, of a positive value. * 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 + (rounding == Rounding.Up && 1 << result < value ? 1 : 0); } } /** * @dev Return the log in base 10, rounded down, of a positive value. * 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 + (rounding == Rounding.Up && 10 ** result < value ? 1 : 0); } } /** * @dev Return the log in base 256, rounded down, of a positive value. * 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 + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SignedMath.sol) pragma solidity ^0.8.0; /** * @dev Standard signed math utilities missing in the Solidity language. */ library SignedMath { /** * @dev Returns the largest of two signed numbers. */ function max(int256 a, int256 b) internal pure returns (int256) { return a > b ? a : b; } /** * @dev Returns the smallest of two signed numbers. */ function min(int256 a, int256 b) internal pure returns (int256) { return a < b ? a : b; } /** * @dev Returns the average of two signed numbers without overflow. * The result is rounded towards zero. */ function average(int256 a, int256 b) internal pure returns (int256) { // Formula from the book "Hacker's Delight" int256 x = (a & b) + ((a ^ b) >> 1); return x + (int256(uint256(x) >> 255) & (a ^ b)); } /** * @dev Returns the absolute unsigned value of a signed value. */ function abs(int256 n) internal pure returns (uint256) { unchecked { // must be unchecked in order to support `n = type(int256).min` return uint256(n >= 0 ? n : -n); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @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); }
{ "remappings": [ "@aave/core-v3/=lib/aave-helpers/lib/aave-address-book/lib/aave-v3-core/", "@aave/core-v3/=lib/aave-v3-core/", "@aave/periphery-v3/=lib/aave-helpers/lib/aave-address-book/lib/aave-v3-periphery/", "@bgd-helpers/=lib/aave-helpers/src/", "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/", "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/", "aave-address-book/=lib/aave-helpers/lib/aave-address-book/src/", "aave-helpers/=lib/aave-helpers/", "aave-v3-core/=lib/aave-v3-core/", "aave-v3-periphery/=lib/aave-helpers/lib/aave-address-book/lib/aave-v3-periphery/", "ds-test/=lib/forge-std/lib/ds-test/src/", "erc4626-tests/=lib/openzeppelin-contracts-upgradeable/lib/erc4626-tests/", "forge-std/=lib/forge-std/src/", "governance-crosschain-bridges/=lib/aave-helpers/lib/governance-crosschain-bridges/", "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/", "openzeppelin-contracts/=lib/openzeppelin-contracts/", "openzeppelin/=lib/openzeppelin-contracts-upgradeable/contracts/", "solidity-utils/=lib/aave-helpers/lib/solidity-utils/src/" ], "optimizer": { "enabled": true, "runs": 20000 }, "metadata": { "bytecodeHash": "ipfs", "appendCBOR": true }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "evmVersion": "paris", "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
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dress","name":"sender","type":"address"}],"name":"RoleGranted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleRevoked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"oldUSDe","type":"address"},{"indexed":true,"internalType":"address","name":"newUSDe","type":"address"}],"name":"USDeChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"USDe","type":"address"}],"name":"USDeSet","type":"event"},{"inputs":[],"name":"DEFAULT_ADMIN_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"EIP712_DOMAIN","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"EIP712_DOMAIN_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"GATEKEEPER_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MINTER_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"NATIVE_TOKEN","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ORDER_TYPE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"REDEEMER_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ROUTE_TYPE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"custodian","type":"address"}],"name":"addCustodianAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"asset","type":"address"}],"name":"addSupportedAsset","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"delegatedSigner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"disableMintRedeem","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"message","type":"bytes32"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"ecr","outputs":[{"internalType":"address","name":"sender","type":"address"}],"stateMutability":"pure","type":"function"},{"inputs":[{"components":[{"internalType":"enum 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IUSDe","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"uint256","name":"nonce","type":"uint256"}],"name":"verifyNonce","outputs":[{"internalType":"bool","name":"","type":"bool"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"enum IEthenaMinting.OrderType","name":"order_type","type":"uint8"},{"internalType":"uint256","name":"expiry","type":"uint256"},{"internalType":"uint256","name":"nonce","type":"uint256"},{"internalType":"address","name":"benefactor","type":"address"},{"internalType":"address","name":"beneficiary","type":"address"},{"internalType":"address","name":"collateral_asset","type":"address"},{"internalType":"uint256","name":"collateral_amount","type":"uint256"},{"internalType":"uint256","name":"usde_amount","type":"uint256"}],"internalType":"struct IEthenaMinting.Order","name":"order","type":"tuple"},{"components":[{"internalType":"enum IEthenaMinting.SignatureType","name":"signature_type","type":"uint8"},{"internalType":"bytes","name":"signature_bytes","type":"bytes"}],"internalType":"struct IEthenaMinting.Signature","name":"signature","type":"tuple"}],"name":"verifyOrder","outputs":[{"internalType":"bool","name":"","type":"bool"},{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"address[]","name":"addresses","type":"address[]"},{"internalType":"uint256[]","name":"ratios","type":"uint256[]"}],"internalType":"struct IEthenaMinting.Route","name":"route","type":"tuple"},{"internalType":"enum IEthenaMinting.OrderType","name":"orderType","type":"uint8"}],"name":"verifyRoute","outputs":[{"internalType":"bool","name":"","type":"bool"}],"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)
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
-----Decoded View---------------
Arg [0] : _usde (address): 0x8191DC3053Fe4564c17694cB203663d3C07B8960
Arg [1] : _assets (address[]): 0xae7ab96520DE3A18E5e111B5EaAb095312D7fE84,0xae78736Cd615f374D3085123A210448E74Fc6393,0xdAC17F958D2ee523a2206206994597C13D831ec7,0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48,0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2,0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE
Arg [2] : _custodians (address[]): 0x6b95F243959329bb88F5D3Df9A7127Efba703fDA,0x796Ee28CE42BF7bd43A09aCd43FAd0aACD7C3b29,0x9a073D235A8D2C37854Da6f6A8F075C916debe06
Arg [3] : _owner (address): 0x9a073D235A8D2C37854Da6f6A8F075C916debe06
Arg [4] : _maxMintPerBlock (uint256): 110000000000000000000000
Arg [5] : _maxRedeemPerBlock (uint256): 110000000000000000000000
-----Encoded View---------------
17 Constructor Arguments found :
Arg [0] : 0000000000000000000000008191dc3053fe4564c17694cb203663d3c07b8960
Arg [1] : 00000000000000000000000000000000000000000000000000000000000000c0
Arg [2] : 00000000000000000000000000000000000000000000000000000000000001a0
Arg [3] : 0000000000000000000000009a073d235a8d2c37854da6f6a8f075c916debe06
Arg [4] : 00000000000000000000000000000000000000000000174b1ca8ab05a8c00000
Arg [5] : 00000000000000000000000000000000000000000000174b1ca8ab05a8c00000
Arg [6] : 0000000000000000000000000000000000000000000000000000000000000006
Arg [7] : 000000000000000000000000ae7ab96520de3a18e5e111b5eaab095312d7fe84
Arg [8] : 000000000000000000000000ae78736cd615f374d3085123a210448e74fc6393
Arg [9] : 000000000000000000000000dac17f958d2ee523a2206206994597c13d831ec7
Arg [10] : 000000000000000000000000a0b86991c6218b36c1d19d4a2e9eb0ce3606eb48
Arg [11] : 000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2
Arg [12] : 000000000000000000000000eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
Arg [13] : 0000000000000000000000000000000000000000000000000000000000000003
Arg [14] : 0000000000000000000000006b95f243959329bb88f5d3df9a7127efba703fda
Arg [15] : 000000000000000000000000796ee28ce42bf7bd43a09acd43fad0aacd7c3b29
Arg [16] : 0000000000000000000000009a073d235a8d2c37854da6f6a8f075c916debe06
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Multichain Portfolio | 26 Chains
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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.