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Contract Name:
VaultLib
Compiler Version
v0.6.12+commit.27d51765
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: GPL-3.0 /* This file is part of the Enzyme Protocol. (c) Enzyme Council <[email protected]> For the full license information, please view the LICENSE file that was distributed with this source code. */ pragma solidity 0.6.12; import "@openzeppelin/contracts/token/ERC20/ERC20.sol"; import "@openzeppelin/contracts/token/ERC20/SafeERC20.sol"; import "../../../../persistent/dispatcher/IDispatcher.sol"; import "../../../../persistent/vault/VaultLibBase1.sol"; import "./IVault.sol"; /// @title VaultLib Contract /// @author Enzyme Council <[email protected]> /// @notice The per-release proxiable library contract for VaultProxy /// @dev The difference in terminology between "asset" and "trackedAsset" is intentional. /// A fund might actually have asset balances of un-tracked assets, /// but only tracked assets are used in gav calculations. /// Note that this contract inherits VaultLibSafeMath (a verbatim Open Zeppelin SafeMath copy) /// from SharesTokenBase via VaultLibBase1 contract VaultLib is VaultLibBase1, IVault { using SafeERC20 for ERC20; // Before updating TRACKED_ASSETS_LIMIT in the future, it is important to consider: // 1. The highest tracked assets limit ever allowed in the protocol // 2. That the next value will need to be respected by all future releases uint256 private constant TRACKED_ASSETS_LIMIT = 20; modifier onlyAccessor() { require(msg.sender == accessor, "Only the designated accessor can make this call"); _; } ///////////// // GENERAL // ///////////// /// @notice Sets the account that is allowed to migrate a fund to new releases /// @param _nextMigrator The account to set as the allowed migrator /// @dev Set to address(0) to remove the migrator. function setMigrator(address _nextMigrator) external { require(msg.sender == owner, "setMigrator: Only the owner can call this function"); address prevMigrator = migrator; require(_nextMigrator != prevMigrator, "setMigrator: Value already set"); migrator = _nextMigrator; emit MigratorSet(prevMigrator, _nextMigrator); } /////////// // VAULT // /////////// /// @notice Adds a tracked asset to the fund /// @param _asset The asset to add /// @dev Allows addition of already tracked assets to fail silently. function addTrackedAsset(address _asset) external override onlyAccessor { if (!isTrackedAsset(_asset)) { require( trackedAssets.length < TRACKED_ASSETS_LIMIT, "addTrackedAsset: Limit exceeded" ); assetToIsTracked[_asset] = true; trackedAssets.push(_asset); emit TrackedAssetAdded(_asset); } } /// @notice Grants an allowance to a spender to use the fund's asset /// @param _asset The asset for which to grant an allowance /// @param _target The spender of the allowance /// @param _amount The amount of the allowance function approveAssetSpender( address _asset, address _target, uint256 _amount ) external override onlyAccessor { ERC20 assetContract = ERC20(_asset); if (assetContract.balanceOf(_target) > 0) { assetContract.safeApprove(_target, 0); } assetContract.safeApprove(_target, _amount); } /// @notice Makes an arbitrary call with this contract as the sender /// @param _contract The contract to call /// @param _callData The call data for the call function callOnContract(address _contract, bytes calldata _callData) external override onlyAccessor { (bool success, bytes memory returnData) = _contract.call(_callData); require(success, string(returnData)); } /// @notice Removes a tracked asset from the fund /// @param _asset The asset to remove function removeTrackedAsset(address _asset) external override onlyAccessor { __removeTrackedAsset(_asset); } /// @notice Withdraws an asset from the VaultProxy to a given account /// @param _asset The asset to withdraw /// @param _target The account to which to withdraw the asset /// @param _amount The amount of asset to withdraw function withdrawAssetTo( address _asset, address _target, uint256 _amount ) external override onlyAccessor { ERC20(_asset).safeTransfer(_target, _amount); emit AssetWithdrawn(_asset, _target, _amount); } /// @dev Helper to the get the Vault's balance of a given asset function __getAssetBalance(address _asset) private view returns (uint256 balance_) { return ERC20(_asset).balanceOf(address(this)); } /// @dev Helper to remove an asset from a fund's tracked assets. /// Allows removal of non-tracked asset to fail silently. function __removeTrackedAsset(address _asset) private { if (isTrackedAsset(_asset)) { assetToIsTracked[_asset] = false; uint256 trackedAssetsCount = trackedAssets.length; for (uint256 i = 0; i < trackedAssetsCount; i++) { if (trackedAssets[i] == _asset) { if (i < trackedAssetsCount - 1) { trackedAssets[i] = trackedAssets[trackedAssetsCount - 1]; } trackedAssets.pop(); break; } } emit TrackedAssetRemoved(_asset); } } //////////// // SHARES // //////////// /// @notice Burns fund shares from a particular account /// @param _target The account for which to burn shares /// @param _amount The amount of shares to burn function burnShares(address _target, uint256 _amount) external override onlyAccessor { __burn(_target, _amount); } /// @notice Mints fund shares to a particular account /// @param _target The account for which to burn shares /// @param _amount The amount of shares to mint function mintShares(address _target, uint256 _amount) external override onlyAccessor { __mint(_target, _amount); } /// @notice Transfers fund shares from one account to another /// @param _from The account from which to transfer shares /// @param _to The account to which to transfer shares /// @param _amount The amount of shares to transfer function transferShares( address _from, address _to, uint256 _amount ) external override onlyAccessor { __transfer(_from, _to, _amount); } // ERC20 overrides /// @dev Disallows the standard ERC20 approve() function function approve(address, uint256) public override returns (bool) { revert("Unimplemented"); } /// @notice Gets the `symbol` value of the shares token /// @return symbol_ The `symbol` value /// @dev Defers the shares symbol value to the Dispatcher contract function symbol() public view override returns (string memory symbol_) { return IDispatcher(creator).getSharesTokenSymbol(); } /// @dev Disallows the standard ERC20 transfer() function function transfer(address, uint256) public override returns (bool) { revert("Unimplemented"); } /// @dev Disallows the standard ERC20 transferFrom() function function transferFrom( address, address, uint256 ) public override returns (bool) { revert("Unimplemented"); } /////////////////// // STATE GETTERS // /////////////////// /// @notice Gets the `accessor` variable /// @return accessor_ The `accessor` variable value function getAccessor() external view override returns (address accessor_) { return accessor; } /// @notice Gets the `creator` variable /// @return creator_ The `creator` variable value function getCreator() external view returns (address creator_) { return creator; } /// @notice Gets the `migrator` variable /// @return migrator_ The `migrator` variable value function getMigrator() external view returns (address migrator_) { return migrator; } /// @notice Gets the `owner` variable /// @return owner_ The `owner` variable value function getOwner() external view override returns (address owner_) { return owner; } /// @notice Gets the `trackedAssets` variable /// @return trackedAssets_ The `trackedAssets` variable value function getTrackedAssets() external view override returns (address[] memory trackedAssets_) { return trackedAssets; } /// @notice Check whether an address is a tracked asset of the fund /// @param _asset The address to check /// @return isTrackedAsset_ True if the address is a tracked asset of the fund function isTrackedAsset(address _asset) public view override returns (bool isTrackedAsset_) { return assetToIsTracked[_asset]; } }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.0 <0.8.0; /** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } /** * @dev Returns the substraction of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { if (b > a) return (false, 0); return (true, a - b); } /** * @dev Returns the multiplication of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a * b; if (c / a != b) return (false, 0); return (true, c); } /** * @dev Returns the division of two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { if (b == 0) return (false, 0); return (true, a / b); } /** * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { if (b == 0) return (false, 0); return (true, a % b); } /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { require(b <= a, "SafeMath: subtraction overflow"); return a - b; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) return 0; uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers, reverting on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { require(b > 0, "SafeMath: division by zero"); return a / b; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { require(b > 0, "SafeMath: modulo by zero"); return a % b; } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {trySub}. * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); return a - b; } /** * @dev Returns the integer division of two unsigned integers, reverting with custom message on * division by zero. The result is rounded towards zero. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryDiv}. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); return a / b; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting with custom message when dividing by zero. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryMod}. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); return a % b; } }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.0 <0.8.0; import "../../utils/Context.sol"; import "./IERC20.sol"; import "../../math/SafeMath.sol"; /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin guidelines: functions revert instead * of returning `false` on failure. This behavior is nonetheless conventional * and does not conflict with the expectations of ERC20 applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. */ contract ERC20 is Context, IERC20 { using SafeMath for uint256; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; uint8 private _decimals; /** * @dev Sets the values for {name} and {symbol}, initializes {decimals} with * a default value of 18. * * To select a different value for {decimals}, use {_setupDecimals}. * * All three of these values are immutable: they can only be set once during * construction. */ constructor (string memory name_, string memory symbol_) public { _name = name_; _symbol = symbol_; _decimals = 18; } /** * @dev Returns the name of the token. */ function name() public view virtual returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view virtual returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5,05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is * called. * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view virtual returns (uint8) { return _decimals; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view virtual override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view virtual override returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}. * * Requirements: * * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. */ function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } /** * @dev Moves tokens `amount` from `sender` to `recipient`. * * This is internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. */ function _transfer(address sender, address recipient, uint256 amount) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements: * * - `to` cannot be the zero address. */ function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(account, address(0), amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ function _approve(address owner, address spender, uint256 amount) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev Sets {decimals} to a value other than the default one of 18. * * WARNING: This function should only be called from the constructor. Most * applications that interact with token contracts will not expect * {decimals} to ever change, and may work incorrectly if it does. */ function _setupDecimals(uint8 decimals_) internal virtual { _decimals = decimals_; } /** * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be to transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { } }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.0 <0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @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 `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, 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 `sender` to `recipient` 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 sender, address recipient, uint256 amount) external returns (bool); /** * @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); }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.0 <0.8.0; import "./IERC20.sol"; import "../../math/SafeMath.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 SafeMath for uint256; using Address for address; function safeTransfer(IERC20 token, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } 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' // solhint-disable-next-line max-line-length 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)); } function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).add(value); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero"); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } /** * @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"); if (returndata.length > 0) { // Return data is optional // solhint-disable-next-line max-line-length require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.2 <0.8.0; /** * @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 * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; // solhint-disable-next-line no-inline-assembly assembly { size := extcodesize(account) } return size > 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://diligence.consensys.net/posts/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/v0.5.11/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"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (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 functionCall(target, data, "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"); require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: value }(data); return _verifyCallResult(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) { require(isContract(target), "Address: static call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.staticcall(data); return _verifyCallResult(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) { require(isContract(target), "Address: delegate call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.delegatecall(data); return _verifyCallResult(success, returndata, errorMessage); } function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) { if (success) { return returndata; } else { // 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 // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.0 <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 GSN 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 payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } }
// SPDX-License-Identifier: GPL-3.0 /* This file is part of the Enzyme Protocol. (c) Enzyme Council <[email protected]> For the full license information, please view the LICENSE file that was distributed with this source code. */ pragma solidity 0.6.12; /// @title IDispatcher Interface /// @author Enzyme Council <[email protected]> interface IDispatcher { function cancelMigration(address _vaultProxy, bool _bypassFailure) external; function claimOwnership() external; function deployVaultProxy( address _vaultLib, address _owner, address _vaultAccessor, string calldata _fundName ) external returns (address vaultProxy_); function executeMigration(address _vaultProxy, bool _bypassFailure) external; function getCurrentFundDeployer() external view returns (address currentFundDeployer_); function getFundDeployerForVaultProxy(address _vaultProxy) external view returns (address fundDeployer_); function getMigrationRequestDetailsForVaultProxy(address _vaultProxy) external view returns ( address nextFundDeployer_, address nextVaultAccessor_, address nextVaultLib_, uint256 executableTimestamp_ ); function getMigrationTimelock() external view returns (uint256 migrationTimelock_); function getNominatedOwner() external view returns (address nominatedOwner_); function getOwner() external view returns (address owner_); function getSharesTokenSymbol() external view returns (string memory sharesTokenSymbol_); function getTimelockRemainingForMigrationRequest(address _vaultProxy) external view returns (uint256 secondsRemaining_); function hasExecutableMigrationRequest(address _vaultProxy) external view returns (bool hasExecutableRequest_); function hasMigrationRequest(address _vaultProxy) external view returns (bool hasMigrationRequest_); function removeNominatedOwner() external; function setCurrentFundDeployer(address _nextFundDeployer) external; function setMigrationTimelock(uint256 _nextTimelock) external; function setNominatedOwner(address _nextNominatedOwner) external; function setSharesTokenSymbol(string calldata _nextSymbol) external; function signalMigration( address _vaultProxy, address _nextVaultAccessor, address _nextVaultLib, bool _bypassFailure ) external; }
// SPDX-License-Identifier: GPL-3.0 /* This file is part of the Enzyme Protocol. (c) Enzyme Council <[email protected]> For the full license information, please view the LICENSE file that was distributed with this source code. */ pragma solidity 0.6.12; /// @title IMigratableVault Interface /// @author Enzyme Council <[email protected]> /// @dev DO NOT EDIT CONTRACT interface IMigratableVault { function canMigrate(address _who) external view returns (bool canMigrate_); function init( address _owner, address _accessor, string calldata _fundName ) external; function setAccessor(address _nextAccessor) external; function setVaultLib(address _nextVaultLib) external; }
// SPDX-License-Identifier: GPL-3.0 /* This file is part of the Enzyme Protocol. (c) Enzyme Council <[email protected]> For the full license information, please view the LICENSE file that was distributed with this source code. */ pragma solidity 0.6.12; import "./VaultLibBaseCore.sol"; /// @title VaultLibBase1 Contract /// @author Enzyme Council <[email protected]> /// @notice The first implementation of VaultLibBaseCore, with additional events and storage /// @dev All subsequent implementations should inherit the previous implementation, /// e.g., `VaultLibBase2 is VaultLibBase1` /// DO NOT EDIT CONTRACT. abstract contract VaultLibBase1 is VaultLibBaseCore { event AssetWithdrawn(address indexed asset, address indexed target, uint256 amount); event TrackedAssetAdded(address asset); event TrackedAssetRemoved(address asset); address[] internal trackedAssets; mapping(address => bool) internal assetToIsTracked; }
// SPDX-License-Identifier: GPL-3.0 /* This file is part of the Enzyme Protocol. (c) Enzyme Council <[email protected]> For the full license information, please view the LICENSE file that was distributed with this source code. */ pragma solidity 0.6.12; import "../utils/IMigratableVault.sol"; import "./utils/ProxiableVaultLib.sol"; import "./utils/SharesTokenBase.sol"; /// @title VaultLibBaseCore Contract /// @author Enzyme Council <[email protected]> /// @notice A persistent contract containing all required storage variables and /// required functions for a VaultLib implementation /// @dev DO NOT EDIT CONTRACT. If new events or storage are necessary, they should be added to /// a numbered VaultLibBaseXXX that inherits the previous base. See VaultLibBase1. abstract contract VaultLibBaseCore is IMigratableVault, ProxiableVaultLib, SharesTokenBase { event AccessorSet(address prevAccessor, address nextAccessor); event MigratorSet(address prevMigrator, address nextMigrator); event OwnerSet(address prevOwner, address nextOwner); event VaultLibSet(address prevVaultLib, address nextVaultLib); address internal accessor; address internal creator; address internal migrator; address internal owner; // EXTERNAL FUNCTIONS /// @notice Initializes the VaultProxy with core configuration /// @param _owner The address to set as the fund owner /// @param _accessor The address to set as the permissioned accessor of the VaultLib /// @param _fundName The name of the fund /// @dev Serves as a per-proxy pseudo-constructor function init( address _owner, address _accessor, string calldata _fundName ) external override { require(creator == address(0), "init: Proxy already initialized"); creator = msg.sender; sharesName = _fundName; __setAccessor(_accessor); __setOwner(_owner); emit VaultLibSet(address(0), getVaultLib()); } /// @notice Sets the permissioned accessor of the VaultLib /// @param _nextAccessor The address to set as the permissioned accessor of the VaultLib function setAccessor(address _nextAccessor) external override { require(msg.sender == creator, "setAccessor: Only callable by the contract creator"); __setAccessor(_nextAccessor); } /// @notice Sets the VaultLib target for the VaultProxy /// @param _nextVaultLib The address to set as the VaultLib /// @dev This function is absolutely critical. __updateCodeAddress() validates that the /// target is a valid Proxiable contract instance. /// Does not block _nextVaultLib from being the same as the current VaultLib function setVaultLib(address _nextVaultLib) external override { require(msg.sender == creator, "setVaultLib: Only callable by the contract creator"); address prevVaultLib = getVaultLib(); __updateCodeAddress(_nextVaultLib); emit VaultLibSet(prevVaultLib, _nextVaultLib); } // PUBLIC FUNCTIONS /// @notice Checks whether an account is allowed to migrate the VaultProxy /// @param _who The account to check /// @return canMigrate_ True if the account is allowed to migrate the VaultProxy function canMigrate(address _who) public view virtual override returns (bool canMigrate_) { return _who == owner || _who == migrator; } /// @notice Gets the VaultLib target for the VaultProxy /// @return vaultLib_ The address of the VaultLib target function getVaultLib() public view returns (address vaultLib_) { assembly { // solium-disable-line vaultLib_ := sload(0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc) } return vaultLib_; } // INTERNAL FUNCTIONS /// @dev Helper to set the permissioned accessor of the VaultProxy. /// Does not prevent the prevAccessor from being the _nextAccessor. function __setAccessor(address _nextAccessor) internal { require(_nextAccessor != address(0), "__setAccessor: _nextAccessor cannot be empty"); address prevAccessor = accessor; accessor = _nextAccessor; emit AccessorSet(prevAccessor, _nextAccessor); } /// @dev Helper to set the owner of the VaultProxy function __setOwner(address _nextOwner) internal { require(_nextOwner != address(0), "__setOwner: _nextOwner cannot be empty"); address prevOwner = owner; require(_nextOwner != prevOwner, "__setOwner: _nextOwner is the current owner"); owner = _nextOwner; emit OwnerSet(prevOwner, _nextOwner); } }
// SPDX-License-Identifier: GPL-3.0 /* This file is part of the Enzyme Protocol. (c) Enzyme Council <[email protected]> For the full license information, please view the LICENSE file that was distributed with this source code. */ pragma solidity 0.6.12; /// @title ProxiableVaultLib Contract /// @author Enzyme Council <[email protected]> /// @notice A contract that defines the upgrade behavior for VaultLib instances /// @dev The recommended implementation of the target of a proxy according to EIP-1822 and EIP-1967 /// Code position in storage is `bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1)`, /// which is "0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc". abstract contract ProxiableVaultLib { /// @dev Updates the target of the proxy to be the contract at _nextVaultLib function __updateCodeAddress(address _nextVaultLib) internal { require( bytes32(0x027b9570e9fedc1a80b937ae9a06861e5faef3992491af30b684a64b3fbec7a5) == ProxiableVaultLib(_nextVaultLib).proxiableUUID(), "__updateCodeAddress: _nextVaultLib not compatible" ); assembly { // solium-disable-line sstore( 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc, _nextVaultLib ) } } /// @notice Returns a unique bytes32 hash for VaultLib instances /// @return uuid_ The bytes32 hash representing the UUID /// @dev The UUID is `bytes32(keccak256('mln.proxiable.vaultlib'))` function proxiableUUID() public pure returns (bytes32 uuid_) { return 0x027b9570e9fedc1a80b937ae9a06861e5faef3992491af30b684a64b3fbec7a5; } }
// SPDX-License-Identifier: GPL-3.0 /* This file is part of the Enzyme Protocol. (c) Enzyme Council <[email protected]> For the full license information, please view the LICENSE file that was distributed with this source code. */ pragma solidity 0.6.12; import "./VaultLibSafeMath.sol"; /// @title StandardERC20 Contract /// @author Enzyme Council <[email protected]> /// @notice Contains the storage, events, and default logic of an ERC20-compliant contract. /// @dev The logic can be overridden by VaultLib implementations. /// Adapted from OpenZeppelin 3.2.0. /// DO NOT EDIT THIS CONTRACT. abstract contract SharesTokenBase { using VaultLibSafeMath for uint256; event Approval(address indexed owner, address indexed spender, uint256 value); event Transfer(address indexed from, address indexed to, uint256 value); string internal sharesName; string internal sharesSymbol; uint256 internal sharesTotalSupply; mapping(address => uint256) internal sharesBalances; mapping(address => mapping(address => uint256)) internal sharesAllowances; // EXTERNAL FUNCTIONS /// @dev Standard implementation of ERC20's approve(). Can be overridden. function approve(address _spender, uint256 _amount) public virtual returns (bool) { __approve(msg.sender, _spender, _amount); return true; } /// @dev Standard implementation of ERC20's transfer(). Can be overridden. function transfer(address _recipient, uint256 _amount) public virtual returns (bool) { __transfer(msg.sender, _recipient, _amount); return true; } /// @dev Standard implementation of ERC20's transferFrom(). Can be overridden. function transferFrom( address _sender, address _recipient, uint256 _amount ) public virtual returns (bool) { __transfer(_sender, _recipient, _amount); __approve( _sender, msg.sender, sharesAllowances[_sender][msg.sender].sub( _amount, "ERC20: transfer amount exceeds allowance" ) ); return true; } // EXTERNAL FUNCTIONS - VIEW /// @dev Standard implementation of ERC20's allowance(). Can be overridden. function allowance(address _owner, address _spender) public view virtual returns (uint256) { return sharesAllowances[_owner][_spender]; } /// @dev Standard implementation of ERC20's balanceOf(). Can be overridden. function balanceOf(address _account) public view virtual returns (uint256) { return sharesBalances[_account]; } /// @dev Standard implementation of ERC20's decimals(). Can not be overridden. function decimals() public pure returns (uint8) { return 18; } /// @dev Standard implementation of ERC20's name(). Can be overridden. function name() public view virtual returns (string memory) { return sharesName; } /// @dev Standard implementation of ERC20's symbol(). Can be overridden. function symbol() public view virtual returns (string memory) { return sharesSymbol; } /// @dev Standard implementation of ERC20's totalSupply(). Can be overridden. function totalSupply() public view virtual returns (uint256) { return sharesTotalSupply; } // INTERNAL FUNCTIONS /// @dev Helper for approve(). Can be overridden. function __approve( address _owner, address _spender, uint256 _amount ) internal virtual { require(_owner != address(0), "ERC20: approve from the zero address"); require(_spender != address(0), "ERC20: approve to the zero address"); sharesAllowances[_owner][_spender] = _amount; emit Approval(_owner, _spender, _amount); } /// @dev Helper to burn tokens from an account. Can be overridden. function __burn(address _account, uint256 _amount) internal virtual { require(_account != address(0), "ERC20: burn from the zero address"); sharesBalances[_account] = sharesBalances[_account].sub( _amount, "ERC20: burn amount exceeds balance" ); sharesTotalSupply = sharesTotalSupply.sub(_amount); emit Transfer(_account, address(0), _amount); } /// @dev Helper to mint tokens to an account. Can be overridden. function __mint(address _account, uint256 _amount) internal virtual { require(_account != address(0), "ERC20: mint to the zero address"); sharesTotalSupply = sharesTotalSupply.add(_amount); sharesBalances[_account] = sharesBalances[_account].add(_amount); emit Transfer(address(0), _account, _amount); } /// @dev Helper to transfer tokens between accounts. Can be overridden. function __transfer( address _sender, address _recipient, uint256 _amount ) internal virtual { require(_sender != address(0), "ERC20: transfer from the zero address"); require(_recipient != address(0), "ERC20: transfer to the zero address"); sharesBalances[_sender] = sharesBalances[_sender].sub( _amount, "ERC20: transfer amount exceeds balance" ); sharesBalances[_recipient] = sharesBalances[_recipient].add(_amount); emit Transfer(_sender, _recipient, _amount); } }
// SPDX-License-Identifier: GPL-3.0 /* This file is part of the Enzyme Protocol. (c) Enzyme Council <[email protected]> For the full license information, please view the LICENSE file that was distributed with this source code. */ pragma solidity 0.6.12; /// @title VaultLibSafeMath library /// @notice A narrowed, verbatim implementation of OpenZeppelin 3.2.0 SafeMath /// for use with VaultLib /// @dev Preferred to importing from npm to guarantee consistent logic and revert reasons /// between VaultLib implementations /// DO NOT EDIT THIS CONTRACT library VaultLibSafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "VaultLibSafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "VaultLibSafeMath: subtraction overflow"); } function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "VaultLibSafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "VaultLibSafeMath: division by zero"); } function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "VaultLibSafeMath: modulo by zero"); } function mod( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } }
// SPDX-License-Identifier: GPL-3.0 /* This file is part of the Enzyme Protocol. (c) Enzyme Council <[email protected]> For the full license information, please view the LICENSE file that was distributed with this source code. */ pragma solidity 0.6.12; import "../../../../persistent/utils/IMigratableVault.sol"; /// @title IVault Interface /// @author Enzyme Council <[email protected]> interface IVault is IMigratableVault { function addTrackedAsset(address) external; function approveAssetSpender( address, address, uint256 ) external; function burnShares(address, uint256) external; function callOnContract(address, bytes calldata) external; function getAccessor() external view returns (address); function getOwner() external view returns (address); function getTrackedAssets() external view returns (address[] memory); function isTrackedAsset(address) external view returns (bool); function mintShares(address, uint256) external; function removeTrackedAsset(address) external; function transferShares( address, address, uint256 ) external; function withdrawAssetTo( address, address, uint256 ) external; }
{ "evmVersion": "istanbul", "libraries": {}, "metadata": { "bytecodeHash": "ipfs", "useLiteralContent": true }, "optimizer": { "details": { "constantOptimizer": true, "cse": true, "deduplicate": true, "jumpdestRemover": true, "orderLiterals": true, "peephole": true, "yul": false }, "runs": 200 }, "remappings": [], "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "abi" ] } } }
Contract Security Audit
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[{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"prevAccessor","type":"address"},{"indexed":false,"internalType":"address","name":"nextAccessor","type":"address"}],"name":"AccessorSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"asset","type":"address"},{"indexed":true,"internalType":"address","name":"target","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"AssetWithdrawn","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"prevMigrator","type":"address"},{"indexed":false,"internalType":"address","name":"nextMigrator","type":"address"}],"name":"MigratorSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"prevOwner","type":"address"},{"indexed":false,"internalType":"address","name":"nextOwner","type":"address"}],"name":"OwnerSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"asset","type":"address"}],"name":"TrackedAssetAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"asset","type":"address"}],"name":"TrackedAssetRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"prevVaultLib","type":"address"},{"indexed":false,"internalType":"address","name":"nextVaultLib","type":"address"}],"name":"VaultLibSet","type":"event"},{"inputs":[{"internalType":"address","name":"_asset","type":"address"}],"name":"addTrackedAsset","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"},{"internalType":"address","name":"_spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_asset","type":"address"},{"internalType":"address","name":"_target","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"approveAssetSpender","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_target","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"burnShares","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_contract","type":"address"},{"internalType":"bytes","name":"_callData","type":"bytes"}],"name":"callOnContract","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_who","type":"address"}],"name":"canMigrate","outputs":[{"internalType":"bool","name":"canMigrate_","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"getAccessor","outputs":[{"internalType":"address","name":"accessor_","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getCreator","outputs":[{"internalType":"address","name":"creator_","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getMigrator","outputs":[{"internalType":"address","name":"migrator_","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getOwner","outputs":[{"internalType":"address","name":"owner_","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getTrackedAssets","outputs":[{"internalType":"address[]","name":"trackedAssets_","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getVaultLib","outputs":[{"internalType":"address","name":"vaultLib_","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"},{"internalType":"address","name":"_accessor","type":"address"},{"internalType":"string","name":"_fundName","type":"string"}],"name":"init","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_asset","type":"address"}],"name":"isTrackedAsset","outputs":[{"internalType":"bool","name":"isTrackedAsset_","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_target","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"mintShares","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"proxiableUUID","outputs":[{"internalType":"bytes32","name":"uuid_","type":"bytes32"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"_asset","type":"address"}],"name":"removeTrackedAsset","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_nextAccessor","type":"address"}],"name":"setAccessor","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_nextMigrator","type":"address"}],"name":"setMigrator","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_nextVaultLib","type":"address"}],"name":"setVaultLib","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"symbol_","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"transferShares","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_asset","type":"address"},{"internalType":"address","name":"_target","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"withdrawAssetTo","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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Multichain Portfolio | 26 Chains
Chain | Token | Portfolio % | Price | Amount | Value |
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.