Latest 25 from a total of 96 transactions
Transaction Hash |
Method
|
Block
|
From
|
To
|
|||||
---|---|---|---|---|---|---|---|---|---|
Redeem | 21256205 | 20 days ago | IN | 0 ETH | 0.0015817 | ||||
Approve | 21049094 | 49 days ago | IN | 0 ETH | 0.0001947 | ||||
Deposit | 21049087 | 49 days ago | IN | 0 ETH | 0.00077637 | ||||
Approve | 20676631 | 101 days ago | IN | 0 ETH | 0.00006864 | ||||
Redeem | 20634080 | 107 days ago | IN | 0 ETH | 0.00043412 | ||||
Approve | 20553924 | 118 days ago | IN | 0 ETH | 0.00004663 | ||||
Increase Allowan... | 20536957 | 120 days ago | IN | 0 ETH | 0.00010609 | ||||
Transfer | 20536933 | 120 days ago | IN | 0 ETH | 0.00009347 | ||||
Redeem | 20536900 | 120 days ago | IN | 0 ETH | 0.00047607 | ||||
Transfer | 20536891 | 120 days ago | IN | 0 ETH | 0.0001797 | ||||
Approve | 20534841 | 121 days ago | IN | 0 ETH | 0.00029998 | ||||
Approve | 20534625 | 121 days ago | IN | 0 ETH | 0.00014077 | ||||
Approve | 20534520 | 121 days ago | IN | 0 ETH | 0.00031841 | ||||
Approve | 20203349 | 167 days ago | IN | 0 ETH | 0.00015486 | ||||
Approve | 20090978 | 183 days ago | IN | 0 ETH | 0.00037296 | ||||
Approve | 20090239 | 183 days ago | IN | 0 ETH | 0.00046247 | ||||
Approve | 20089931 | 183 days ago | IN | 0 ETH | 0.0002092 | ||||
Approve | 20081554 | 184 days ago | IN | 0 ETH | 0.0005759 | ||||
Approve | 20040421 | 190 days ago | IN | 0 ETH | 0.00094685 | ||||
Approve | 20037971 | 190 days ago | IN | 0 ETH | 0.00041872 | ||||
Approve | 19999803 | 195 days ago | IN | 0 ETH | 0.00034623 | ||||
Approve | 19999410 | 196 days ago | IN | 0 ETH | 0.0002527 | ||||
Approve | 19960681 | 201 days ago | IN | 0 ETH | 0.00077095 | ||||
Approve | 19960580 | 201 days ago | IN | 0 ETH | 0.0007035 | ||||
Approve | 19960350 | 201 days ago | IN | 0 ETH | 0.00068222 |
Loading...
Loading
Contract Name:
WrappedRebaseToken
Compiler Version
v0.8.17+commit.8df45f5f
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity 0.8.17; import {ERC20} from "./ERC20.sol"; import {IERC20} from "./IERC20.sol"; import {KUMA_PROTOCOL_ERRORS} from "./Errors.sol"; import {ERC4626} from "./ERC4626.sol"; contract WrappedRebaseToken is ERC4626 { /** * A simple implementation of the ERC4626 spec * Sets the underlyingToken, name, and symbol constructor arguments for ERC20 and ERC4626 * @param asset The rebase token that this contract wraps around, will be passed into the ERC4626 constructor * @param name The name of the Wrapped Rebase Token; will be passed into the ERC20 constructor * @param symbol The symbol of the Wrapped Rebase Token; will be passed into the ERC20 constructor */ constructor(IERC20 asset, string memory name, string memory symbol) ERC20(name, symbol) ERC4626(asset) { if (address(asset) == address(0)) { revert KUMA_PROTOCOL_ERRORS.CANNOT_SET_TO_ADDRESS_ZERO(); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (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 * ==== * * [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/v0.5.11/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"); (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 (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 (last updated v4.8.0) (token/ERC20/ERC20.sol) pragma solidity ^0.8.0; import "./IERC20.sol"; import "./IERC20Metadata.sol"; import "./Context.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.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin Contracts guidelines: functions revert * instead returning `false` on failure. This behavior is nonetheless * conventional and does not conflict with the expectations of ERC20 * applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * 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, IERC20Metadata { mapping(address => uint256) private _balances; mapping(address => mapping(address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; /** * @dev Sets the values for {name} and {symbol}. * * The default value of {decimals} is 18. To select a different value for * {decimals} you should overload it. * * All two of these values are immutable: they can only be set once during * construction. */ constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @dev Returns the name of the token. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view virtual override 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 this function is * overridden; * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view virtual override returns (uint8) { return 18; } /** * @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: * * - `to` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address to, uint256 amount) public virtual override returns (bool) { address owner = _msgSender(); _transfer(owner, to, 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}. * * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on * `transferFrom`. This is semantically equivalent to an infinite approval. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { address owner = _msgSender(); _approve(owner, 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}. * * NOTE: Does not update the allowance if the current allowance * is the maximum `uint256`. * * Requirements: * * - `from` and `to` cannot be the zero address. * - `from` must have a balance of at least `amount`. * - the caller must have allowance for ``from``'s tokens of at least * `amount`. */ function transferFrom( address from, address to, uint256 amount ) public virtual override returns (bool) { address spender = _msgSender(); _spendAllowance(from, spender, amount); _transfer(from, to, amount); 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) { address owner = _msgSender(); _approve(owner, spender, allowance(owner, spender) + 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) { address owner = _msgSender(); uint256 currentAllowance = allowance(owner, spender); require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero"); unchecked { _approve(owner, spender, currentAllowance - subtractedValue); } return true; } /** * @dev Moves `amount` of tokens from `from` to `to`. * * This internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `from` must have a balance of at least `amount`. */ function _transfer( address from, address to, uint256 amount ) internal virtual { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(from, to, amount); uint256 fromBalance = _balances[from]; require(fromBalance >= amount, "ERC20: transfer amount exceeds balance"); unchecked { _balances[from] = fromBalance - amount; // Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by // decrementing then incrementing. _balances[to] += amount; } emit Transfer(from, to, amount); _afterTokenTransfer(from, to, 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: * * - `account` 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 += amount; unchecked { // Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above. _balances[account] += amount; } emit Transfer(address(0), account, amount); _afterTokenTransfer(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); uint256 accountBalance = _balances[account]; require(accountBalance >= amount, "ERC20: burn amount exceeds balance"); unchecked { _balances[account] = accountBalance - amount; // Overflow not possible: amount <= accountBalance <= totalSupply. _totalSupply -= amount; } emit Transfer(account, address(0), amount); _afterTokenTransfer(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 Updates `owner` s allowance for `spender` based on spent `amount`. * * Does not update the allowance amount in case of infinite allowance. * Revert if not enough allowance is available. * * Might emit an {Approval} event. */ function _spendAllowance( address owner, address spender, uint256 amount ) internal virtual { uint256 currentAllowance = allowance(owner, spender); if (currentAllowance != type(uint256).max) { require(currentAllowance >= amount, "ERC20: insufficient allowance"); unchecked { _approve(owner, spender, currentAllowance - amount); } } } /** * @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 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 {} /** * @dev Hook that is called after any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * has been transferred to `to`. * - when `from` is zero, `amount` tokens have been minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens have been 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 _afterTokenTransfer( address from, address to, uint256 amount ) internal virtual {} }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/extensions/ERC4626.sol) pragma solidity ^0.8.0; import "./ERC20.sol"; import "./SafeERC20.sol"; import "./IERC4626.sol"; import "./Math.sol"; /** * @dev Implementation of the ERC4626 "Tokenized Vault Standard" as defined in * https://eips.ethereum.org/EIPS/eip-4626[EIP-4626]. * * This extension allows the minting and burning of "shares" (represented using the ERC20 inheritance) in exchange for * underlying "assets" through standardized {deposit}, {mint}, {redeem} and {burn} workflows. This contract extends * the ERC20 standard. Any additional extensions included along it would affect the "shares" token represented by this * contract and not the "assets" token which is an independent contract. * * CAUTION: When the vault is empty or nearly empty, deposits are at high risk of being stolen through frontrunning with * a "donation" to the vault that inflates the price of a share. This is variously known as a donation or inflation * attack and is essentially a problem of slippage. Vault deployers can protect against this attack by making an initial * deposit of a non-trivial amount of the asset, such that price manipulation becomes infeasible. Withdrawals may * similarly be affected by slippage. Users can protect against this attack as well unexpected slippage in general by * verifying the amount received is as expected, using a wrapper that performs these checks such as * https://github.com/fei-protocol/ERC4626#erc4626router-and-base[ERC4626Router]. * * _Available since v4.7._ */ abstract contract ERC4626 is ERC20, IERC4626 { using Math for uint256; IERC20 private immutable _asset; uint8 private immutable _decimals; /** * @dev Set the underlying asset contract. This must be an ERC20-compatible contract (ERC20 or ERC777). */ constructor(IERC20 asset_) { (bool success, uint8 assetDecimals) = _tryGetAssetDecimals(asset_); _decimals = success ? assetDecimals : super.decimals(); _asset = asset_; } /** * @dev Attempts to fetch the asset decimals. A return value of false indicates that the attempt failed in some way. */ function _tryGetAssetDecimals(IERC20 asset_) private returns (bool, uint8) { (bool success, bytes memory encodedDecimals) = address(asset_).call(abi.encodeWithSelector(IERC20Metadata.decimals.selector)); if (success && encodedDecimals.length >= 32) { uint256 returnedDecimals = abi.decode(encodedDecimals, (uint256)); if (returnedDecimals <= type(uint8).max) { return (true, uint8(returnedDecimals)); } } return (false, 0); } /** * @dev Decimals are read from the underlying asset in the constructor and cached. If this fails (e.g., the asset * has not been created yet), the cached value is set to a default obtained by `super.decimals()` (which depends on * inheritance but is most likely 18). Override this function in order to set a guaranteed hardcoded value. * See {IERC20Metadata-decimals}. */ function decimals() public view virtual override(IERC20Metadata, ERC20) returns (uint8) { return _decimals; } /** * @dev See {IERC4626-asset}. */ function asset() public view virtual override returns (address) { return address(_asset); } /** * @dev See {IERC4626-totalAssets}. */ function totalAssets() public view virtual override returns (uint256) { return _asset.balanceOf(address(this)); } /** * @dev See {IERC4626-convertToShares}. */ function convertToShares(uint256 assets) public view virtual override returns (uint256) { return _convertToShares(assets, Math.Rounding.Down); } /** * @dev See {IERC4626-convertToAssets}. */ function convertToAssets(uint256 shares) public view virtual override returns (uint256) { return _convertToAssets(shares, Math.Rounding.Down); } /** * @dev See {IERC4626-maxDeposit}. */ function maxDeposit(address) public view virtual override returns (uint256) { return _isVaultHealthy() ? type(uint256).max : 0; } /** * @dev See {IERC4626-maxMint}. */ function maxMint(address) public view virtual override returns (uint256) { return type(uint256).max; } /** * @dev See {IERC4626-maxWithdraw}. */ function maxWithdraw(address owner) public view virtual override returns (uint256) { return _convertToAssets(balanceOf(owner), Math.Rounding.Down); } /** * @dev See {IERC4626-maxRedeem}. */ function maxRedeem(address owner) public view virtual override returns (uint256) { return balanceOf(owner); } /** * @dev See {IERC4626-previewDeposit}. */ function previewDeposit(uint256 assets) public view virtual override returns (uint256) { return _convertToShares(assets, Math.Rounding.Down); } /** * @dev See {IERC4626-previewMint}. */ function previewMint(uint256 shares) public view virtual override returns (uint256) { return _convertToAssets(shares, Math.Rounding.Up); } /** * @dev See {IERC4626-previewWithdraw}. */ function previewWithdraw(uint256 assets) public view virtual override returns (uint256) { return _convertToShares(assets, Math.Rounding.Up); } /** * @dev See {IERC4626-previewRedeem}. */ function previewRedeem(uint256 shares) public view virtual override returns (uint256) { return _convertToAssets(shares, Math.Rounding.Down); } /** * @dev See {IERC4626-deposit}. */ function deposit(uint256 assets, address receiver) public virtual override returns (uint256) { require(assets <= maxDeposit(receiver), "ERC4626: deposit more than max"); uint256 shares = previewDeposit(assets); _deposit(_msgSender(), receiver, assets, shares); return shares; } /** * @dev See {IERC4626-mint}. * * As opposed to {deposit}, minting is allowed even if the vault is in a state where the price of a share is zero. * In this case, the shares will be minted without requiring any assets to be deposited. */ function mint(uint256 shares, address receiver) public virtual override returns (uint256) { require(shares <= maxMint(receiver), "ERC4626: mint more than max"); uint256 assets = previewMint(shares); _deposit(_msgSender(), receiver, assets, shares); return assets; } /** * @dev See {IERC4626-withdraw}. */ function withdraw(uint256 assets, address receiver, address owner) public virtual override returns (uint256) { require(assets <= maxWithdraw(owner), "ERC4626: withdraw more than max"); uint256 shares = previewWithdraw(assets); _withdraw(_msgSender(), receiver, owner, assets, shares); return shares; } /** * @dev See {IERC4626-redeem}. */ function redeem(uint256 shares, address receiver, address owner) public virtual override returns (uint256) { require(shares <= maxRedeem(owner), "ERC4626: redeem more than max"); uint256 assets = previewRedeem(shares); _withdraw(_msgSender(), receiver, owner, assets, shares); return assets; } /** * @dev Internal conversion function (from assets to shares) with support for rounding direction. * * Will revert if assets > 0, totalSupply > 0 and totalAssets = 0. That corresponds to a case where any asset * would represent an infinite amount of shares. */ function _convertToShares(uint256 assets, Math.Rounding rounding) internal view virtual returns (uint256) { uint256 supply = totalSupply(); return (assets == 0 || supply == 0) ? _initialConvertToShares(assets, rounding) : assets.mulDiv(supply, totalAssets(), rounding); } /** * @dev Internal conversion function (from assets to shares) to apply when the vault is empty. * * NOTE: Make sure to keep this function consistent with {_initialConvertToAssets} when overriding it. */ function _initialConvertToShares(uint256 assets, Math.Rounding /*rounding*/ ) internal view virtual returns (uint256 shares) { return assets; } /** * @dev Internal conversion function (from shares to assets) with support for rounding direction. */ function _convertToAssets(uint256 shares, Math.Rounding rounding) internal view virtual returns (uint256) { uint256 supply = totalSupply(); return (supply == 0) ? _initialConvertToAssets(shares, rounding) : shares.mulDiv(totalAssets(), supply, rounding); } /** * @dev Internal conversion function (from shares to assets) to apply when the vault is empty. * * NOTE: Make sure to keep this function consistent with {_initialConvertToShares} when overriding it. */ function _initialConvertToAssets(uint256 shares, Math.Rounding /*rounding*/ ) internal view virtual returns (uint256) { return shares; } /** * @dev Deposit/mint common workflow. */ function _deposit(address caller, address receiver, uint256 assets, uint256 shares) internal virtual { // If _asset is ERC777, `transferFrom` can trigger a reenterancy BEFORE the transfer happens through the // `tokensToSend` hook. On the other hand, the `tokenReceived` hook, that is triggered after the transfer, // calls the vault, which is assumed not malicious. // // Conclusion: we need to do the transfer before we mint so that any reentrancy would happen before the // assets are transferred and before the shares are minted, which is a valid state. // slither-disable-next-line reentrancy-no-eth SafeERC20.safeTransferFrom(_asset, caller, address(this), assets); _mint(receiver, shares); emit Deposit(caller, receiver, assets, shares); } /** * @dev Withdraw/redeem common workflow. */ function _withdraw(address caller, address receiver, address owner, uint256 assets, uint256 shares) internal virtual { if (caller != owner) { _spendAllowance(owner, caller, shares); } // If _asset is ERC777, `transfer` can trigger a reentrancy AFTER the transfer happens through the // `tokensReceived` hook. On the other hand, the `tokensToSend` hook, that is triggered before the transfer, // calls the vault, which is assumed not malicious. // // Conclusion: we need to do the transfer after the burn so that any reentrancy would happen after the // shares are burned and after the assets are transferred, which is a valid state. _burn(owner, shares); SafeERC20.safeTransfer(_asset, receiver, assets); emit Withdraw(caller, receiver, owner, assets, shares); } /** * @dev Checks if vault is "healthy" in the sense of having assets backing the circulating shares. */ function _isVaultHealthy() private view returns (bool) { return totalAssets() > 0 || totalSupply() == 0; } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.17; /** * @title Errors library * @author MIMO * @notice Defines the error messages emtted by the different contracts of the MIMO protocol */ library KUMA_PROTOCOL_ERRORS { error CANNOT_SET_TO_ADDRESS_ZERO(); error CANNOT_SET_TO_ZERO(); error ERC20_TRANSFER_FROM_THE_ZERO_ADDRESS(); error ERC20_TRANSER_TO_THE_ZERO_ADDRESS(); error ERC20_TRANSFER_AMOUNT_EXCEEDS_BALANCE(); error ERC20_MINT_TO_THE_ZERO_ADDRESS(); error ERC20_BURN_FROM_THE_ZERO_ADDRESS(); error ERC20_BURN_AMOUNT_EXCEEDS_BALANCE(); error START_TIME_NOT_REACHED(); error EPOCH_LENGTH_CANNOT_BE_ZERO(); error EPOCH_LENGTH_TOO_HIGH(uint256 epochLength, uint256 maxEpochLength); error EPOCH_LENGTH_TOO_LOW(uint256 epochLength, uint256 minEpochLength); error ERROR_YIELD_LT_RAY(); error ACCESS_CONTROL_ACCOUNT_IS_MISSING_ROLE(address account, bytes32 role); error BLACKLISTABLE_CALLER_IS_NOT_BLACKLISTER(); error BLACKLISTABLE_ACCOUNT_IS_BLACKLISTED(address account); error NEW_YIELD_TOO_HIGH(); error WRONG_RISK_CATEGORY(); error WRONG_RISK_CONFIG(); error INVALID_RISK_CATEGORY(); error INVALID_TOKEN_ID(); error ERC721_CALLER_IS_NOT_TOKEN_OWNER_OR_APPROVED(); error ERC721_APPROVAL_TO_CURRENT_OWNER(); error ERC721_APPROVE_CALLER_IS_NOT_TOKEN_OWNER_OR_APPROVED_FOR_ALL(); error ERC721_INVALID_TOKEN_ID(); error ERC721_CALLER_IS_NOT_TOKEN_OWNER(); error CALLER_NOT_KUMASWAP(); error CALLER_NOT_MIMO_BOND_TOKEN(); error BOND_NOT_AVAILABLE_FOR_CLAIM(); error CANNOT_SELL_MATURED_BOND(); error NO_EXPIRED_BOND_IN_RESERVE(); error MAX_COUPONS_REACHED(); error COUPON_TOO_LOW(); error CALLER_IS_NOT_MIB_TOKEN(); error CALLER_NOT_FEE_COLLECTOR(); error PAYEE_ALREADY_EXISTS(); error PAYEE_DOES_NOT_EXIST(); error PAYEES_AND_SHARES_MISMATCHED(uint256 payeeLength, uint256 shareLength); error NO_PAYEES(); error NO_AVAILABLE_INCOME(); error SHARE_CANNOT_BE_ZERO(); error DEPRECATION_MODE_ENABLED(); error DEPRECATION_MODE_ALREADY_INITIALIZED(); error DEPRECATION_MODE_NOT_INITIALIZED(); error DEPRECATION_MODE_NOT_ENABLED(); error ELAPSED_TIME_SINCE_DEPRECATION_MODE_INITIALIZATION_TOO_SHORT(uint256 elapsed, uint256 minElapsedTime); error AMOUNT_CANNOT_BE_ZERO(); error BOND_RESERVE_NOT_EMPTY(); error BUYER_CANNOT_BE_ADDRESS_ZERO(); error RISK_CATEGORY_MISMATCH(); error EXPIRED_BONDS_MUST_BE_BOUGHT_FIRST(); error BOND_NOT_MATURED(); error CANNOT_TRANSFER_TO_SELF(); error BOND_ALREADY_EXPIRED(); error ORACLE_ANSWER_IS_STALE(); } library MCAG_ERRORS { error CANNOT_SET_TO_ADDRESS_ZERO(); error ERC721_APPROVAL_TO_CURRENT_OWNER(); error ERC721_APPROVE_CALLER_IS_NOT_TOKEN_OWNER_OR_APPROVED_FOR_ALL(); error ERC721_INVALID_TOKEN_ID(); error ERC721_CALLER_IS_NOT_TOKEN_OWNER(); error ACCESS_CONTROL_ACCOUNT_IS_MISSING_ROLE(address account, bytes32 role); error BLACKLIST_CALLER_IS_NOT_BLACKLISTER(); error BLACKLIST_ACCOUNT_IS_NOT_BLACKLISTED(address account); error BLACKLIST_ACCOUNT_IS_BLACKLISTED(address account); error TRANSMITTED_ANSWER_TOO_HIGH(int256 answer, int256 maxAnswer); error TRANSMITTED_ANSWER_TOO_LOW(int256 answer, int256 minAnswer); error TOKEN_IS_NOT_TRANSFERABLE(); error KYC_DATA_OWNER_MISMATCH(address to, address owner); error RATE_TOO_VOLATILE(uint256 absoluteRateChange, uint256 volatilityThreshold); error INVALID_VOLATILITY_THRESHOLD(); error TERMS_AND_CONDITIONS_URL_DOES_NOT_EXIST(uint256 tncId); error TERM_TOO_LOW(uint256 term, uint256 minTerm); error RISK_CATEGORY_MISMATCH(bytes4 currency, bytes4 country, uint64 term, bytes32 riskCategory); error MATURITY_LESS_THAN_ISSUANCE(uint64 maturity, uint64 issuance); error INVALID_RISK_CATEGORY(); error EMPTY_CUSIP_AND_ISIN(); error INVALID_MAX_COUPON(); error INVALID_COUPON(uint256 coupon, uint256 minCoupon, uint256 maxCoupon); } /** * @title Oracle Errors library * @author MIMO * @notice Defines the error messages eimtted by the oracles used by the MIMO protocol */ library OracleErrors { error CANNOT_SET_TO_ADDRESS_ZERO(); error CANNOT_SET_TO_EMPTY_STRING(); error ORACLE_DATA_CANNOT_BE_LESS_THAN_ZERO(); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (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 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 v4.4.1 (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 v4.8.0) (interfaces/IERC4626.sol) pragma solidity ^0.8.0; import "./IERC20.sol"; import "./IERC20Metadata.sol"; /** * @dev Interface of the ERC4626 "Tokenized Vault Standard", as defined in * https://eips.ethereum.org/EIPS/eip-4626[ERC-4626]. * * _Available since v4.7._ */ interface IERC4626 is IERC20, IERC20Metadata { event Deposit(address indexed sender, address indexed owner, uint256 assets, uint256 shares); event Withdraw( address indexed sender, address indexed receiver, address indexed owner, uint256 assets, uint256 shares ); /** * @dev Returns the address of the underlying token used for the Vault for accounting, depositing, and withdrawing. * * - MUST be an ERC-20 token contract. * - MUST NOT revert. */ function asset() external view returns (address assetTokenAddress); /** * @dev Returns the total amount of the underlying asset that is “managed” by Vault. * * - SHOULD include any compounding that occurs from yield. * - MUST be inclusive of any fees that are charged against assets in the Vault. * - MUST NOT revert. */ function totalAssets() external view returns (uint256 totalManagedAssets); /** * @dev Returns the amount of shares that the Vault would exchange for the amount of assets provided, in an ideal * scenario where all the conditions are met. * * - MUST NOT be inclusive of any fees that are charged against assets in the Vault. * - MUST NOT show any variations depending on the caller. * - MUST NOT reflect slippage or other on-chain conditions, when performing the actual exchange. * - MUST NOT revert. * * NOTE: This calculation MAY NOT reflect the “per-user” price-per-share, and instead should reflect the * “average-user’s” price-per-share, meaning what the average user should expect to see when exchanging to and * from. */ function convertToShares(uint256 assets) external view returns (uint256 shares); /** * @dev Returns the amount of assets that the Vault would exchange for the amount of shares provided, in an ideal * scenario where all the conditions are met. * * - MUST NOT be inclusive of any fees that are charged against assets in the Vault. * - MUST NOT show any variations depending on the caller. * - MUST NOT reflect slippage or other on-chain conditions, when performing the actual exchange. * - MUST NOT revert. * * NOTE: This calculation MAY NOT reflect the “per-user” price-per-share, and instead should reflect the * “average-user’s” price-per-share, meaning what the average user should expect to see when exchanging to and * from. */ function convertToAssets(uint256 shares) external view returns (uint256 assets); /** * @dev Returns the maximum amount of the underlying asset that can be deposited into the Vault for the receiver, * through a deposit call. * * - MUST return a limited value if receiver is subject to some deposit limit. * - MUST return 2 ** 256 - 1 if there is no limit on the maximum amount of assets that may be deposited. * - MUST NOT revert. */ function maxDeposit(address receiver) external view returns (uint256 maxAssets); /** * @dev Allows an on-chain or off-chain user to simulate the effects of their deposit at the current block, given * current on-chain conditions. * * - MUST return as close to and no more than the exact amount of Vault shares that would be minted in a deposit * call in the same transaction. I.e. deposit should return the same or more shares as previewDeposit if called * in the same transaction. * - MUST NOT account for deposit limits like those returned from maxDeposit and should always act as though the * deposit would be accepted, regardless if the user has enough tokens approved, etc. * - MUST be inclusive of deposit fees. Integrators should be aware of the existence of deposit fees. * - MUST NOT revert. * * NOTE: any unfavorable discrepancy between convertToShares and previewDeposit SHOULD be considered slippage in * share price or some other type of condition, meaning the depositor will lose assets by depositing. */ function previewDeposit(uint256 assets) external view returns (uint256 shares); /** * @dev Mints shares Vault shares to receiver by depositing exactly amount of underlying tokens. * * - MUST emit the Deposit event. * - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the * deposit execution, and are accounted for during deposit. * - MUST revert if all of assets cannot be deposited (due to deposit limit being reached, slippage, the user not * approving enough underlying tokens to the Vault contract, etc). * * NOTE: most implementations will require pre-approval of the Vault with the Vault’s underlying asset token. */ function deposit(uint256 assets, address receiver) external returns (uint256 shares); /** * @dev Returns the maximum amount of the Vault shares that can be minted for the receiver, through a mint call. * - MUST return a limited value if receiver is subject to some mint limit. * - MUST return 2 ** 256 - 1 if there is no limit on the maximum amount of shares that may be minted. * - MUST NOT revert. */ function maxMint(address receiver) external view returns (uint256 maxShares); /** * @dev Allows an on-chain or off-chain user to simulate the effects of their mint at the current block, given * current on-chain conditions. * * - MUST return as close to and no fewer than the exact amount of assets that would be deposited in a mint call * in the same transaction. I.e. mint should return the same or fewer assets as previewMint if called in the * same transaction. * - MUST NOT account for mint limits like those returned from maxMint and should always act as though the mint * would be accepted, regardless if the user has enough tokens approved, etc. * - MUST be inclusive of deposit fees. Integrators should be aware of the existence of deposit fees. * - MUST NOT revert. * * NOTE: any unfavorable discrepancy between convertToAssets and previewMint SHOULD be considered slippage in * share price or some other type of condition, meaning the depositor will lose assets by minting. */ function previewMint(uint256 shares) external view returns (uint256 assets); /** * @dev Mints exactly shares Vault shares to receiver by depositing amount of underlying tokens. * * - MUST emit the Deposit event. * - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the mint * execution, and are accounted for during mint. * - MUST revert if all of shares cannot be minted (due to deposit limit being reached, slippage, the user not * approving enough underlying tokens to the Vault contract, etc). * * NOTE: most implementations will require pre-approval of the Vault with the Vault’s underlying asset token. */ function mint(uint256 shares, address receiver) external returns (uint256 assets); /** * @dev Returns the maximum amount of the underlying asset that can be withdrawn from the owner balance in the * Vault, through a withdraw call. * * - MUST return a limited value if owner is subject to some withdrawal limit or timelock. * - MUST NOT revert. */ function maxWithdraw(address owner) external view returns (uint256 maxAssets); /** * @dev Allows an on-chain or off-chain user to simulate the effects of their withdrawal at the current block, * given current on-chain conditions. * * - MUST return as close to and no fewer than the exact amount of Vault shares that would be burned in a withdraw * call in the same transaction. I.e. withdraw should return the same or fewer shares as previewWithdraw if * called * in the same transaction. * - MUST NOT account for withdrawal limits like those returned from maxWithdraw and should always act as though * the withdrawal would be accepted, regardless if the user has enough shares, etc. * - MUST be inclusive of withdrawal fees. Integrators should be aware of the existence of withdrawal fees. * - MUST NOT revert. * * NOTE: any unfavorable discrepancy between convertToShares and previewWithdraw SHOULD be considered slippage in * share price or some other type of condition, meaning the depositor will lose assets by depositing. */ function previewWithdraw(uint256 assets) external view returns (uint256 shares); /** * @dev Burns shares from owner and sends exactly assets of underlying tokens to receiver. * * - MUST emit the Withdraw event. * - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the * withdraw execution, and are accounted for during withdraw. * - MUST revert if all of assets cannot be withdrawn (due to withdrawal limit being reached, slippage, the owner * not having enough shares, etc). * * Note that some implementations will require pre-requesting to the Vault before a withdrawal may be performed. * Those methods should be performed separately. */ function withdraw( uint256 assets, address receiver, address owner ) external returns (uint256 shares); /** * @dev Returns the maximum amount of Vault shares that can be redeemed from the owner balance in the Vault, * through a redeem call. * * - MUST return a limited value if owner is subject to some withdrawal limit or timelock. * - MUST return balanceOf(owner) if owner is not subject to any withdrawal limit or timelock. * - MUST NOT revert. */ function maxRedeem(address owner) external view returns (uint256 maxShares); /** * @dev Allows an on-chain or off-chain user to simulate the effects of their redeemption at the current block, * given current on-chain conditions. * * - MUST return as close to and no more than the exact amount of assets that would be withdrawn in a redeem call * in the same transaction. I.e. redeem should return the same or more assets as previewRedeem if called in the * same transaction. * - MUST NOT account for redemption limits like those returned from maxRedeem and should always act as though the * redemption would be accepted, regardless if the user has enough shares, etc. * - MUST be inclusive of withdrawal fees. Integrators should be aware of the existence of withdrawal fees. * - MUST NOT revert. * * NOTE: any unfavorable discrepancy between convertToAssets and previewRedeem SHOULD be considered slippage in * share price or some other type of condition, meaning the depositor will lose assets by redeeming. */ function previewRedeem(uint256 shares) external view returns (uint256 assets); /** * @dev Burns exactly shares from owner and sends assets of underlying tokens to receiver. * * - MUST emit the Withdraw event. * - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the * redeem execution, and are accounted for during redeem. * - MUST revert if all of shares cannot be redeemed (due to withdrawal limit being reached, slippage, the owner * not having enough shares, etc). * * NOTE: some implementations will require pre-requesting to the Vault before a withdrawal may be performed. * Those methods should be performed separately. */ function redeem( uint256 shares, address receiver, address owner ) external returns (uint256 assets); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (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) { 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 10, 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) (token/ERC20/utils/SafeERC20.sol) pragma solidity ^0.8.0; import "./IERC20.sol"; import "./IERC20Permit.sol"; import "./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; 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' 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) + value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } 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"); uint256 newAllowance = oldAllowance - value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } } 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"); if (returndata.length > 0) { // Return data is optional require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } }
{ "optimizer": { "enabled": true, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "metadata": { "useLiteralContent": true }, "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"contract IERC20","name":"asset","type":"address"},{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"symbol","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"CANNOT_SET_TO_ADDRESS_ZERO","type":"error"},{"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":"sender","type":"address"},{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"uint256","name":"assets","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"shares","type":"uint256"}],"name":"Deposit","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":true,"internalType":"address","name":"sender","type":"address"},{"indexed":true,"internalType":"address","name":"receiver","type":"address"},{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"uint256","name":"assets","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"shares","type":"uint256"}],"name":"Withdraw","type":"event"},{"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":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"asset","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"shares","type":"uint256"}],"name":"convertToAssets","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"assets","type":"uint256"}],"name":"convertToShares","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"assets","type":"uint256"},{"internalType":"address","name":"receiver","type":"address"}],"name":"deposit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"maxDeposit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"maxMint","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"maxRedeem","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"maxWithdraw","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"shares","type":"uint256"},{"internalType":"address","name":"receiver","type":"address"}],"name":"mint","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"assets","type":"uint256"}],"name":"previewDeposit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"shares","type":"uint256"}],"name":"previewMint","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"shares","type":"uint256"}],"name":"previewRedeem","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"assets","type":"uint256"}],"name":"previewWithdraw","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"shares","type":"uint256"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"address","name":"owner","type":"address"}],"name":"redeem","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalAssets","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","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":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"assets","type":"uint256"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"address","name":"owner","type":"address"}],"name":"withdraw","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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
Deployed Bytecode
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
Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
00000000000000000000000001bf66becdcfd6d59a5ca18869f494fea086cdfd000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000000b577261707065642055534b00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000047755534b00000000000000000000000000000000000000000000000000000000
-----Decoded View---------------
Arg [0] : asset (address): 0x01bF66BEcDcFD6D59A5Ca18869f494feA086cdfD
Arg [1] : name (string): Wrapped USK
Arg [2] : symbol (string): wUSK
-----Encoded View---------------
7 Constructor Arguments found :
Arg [0] : 00000000000000000000000001bf66becdcfd6d59a5ca18869f494fea086cdfd
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [2] : 00000000000000000000000000000000000000000000000000000000000000a0
Arg [3] : 000000000000000000000000000000000000000000000000000000000000000b
Arg [4] : 577261707065642055534b000000000000000000000000000000000000000000
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000004
Arg [6] : 7755534b00000000000000000000000000000000000000000000000000000000
Loading...
Loading
Loading...
Loading
OVERVIEW
The KUMA Protocol is a decentralized protocol issuing interest-bearing tokens backed by regulated NFTs, themselves backed by Real World Assets (RWA). The USK is a KUMA interest-bearing token backed by KUMA NFTs, themselves backed by US 12 months T-Bills.Loading...
Loading
[ Download: CSV Export ]
[ Download: CSV Export ]
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.