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0xae18f28888914cfAFe895D4983F348bc99f47b9A
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Batch Mint81877792025-04-24 19:03:24299 days ago1745521404IN
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Contract Source Code Verified (Exact Match)

Contract Name:
Faucet

Compiler Version
v0.8.27+commit.40a35a09

Optimization Enabled:
Yes with 200 runs

Other Settings:
cancun EvmVersion

Contract Source Code (Solidity Standard Json-Input format)

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
import {FaucetERC20} from "./FaucetERC20.sol";
import {MockPriceFeed} from "../MockPriceFeed.sol";

contract Faucet is Ownable {
    error OnlyMintOnce();
    error TokenExisted(string name, string symbol, uint8 decimals);

    struct TokenConfig {
        address tokenAddr;
        address priceFeedAddr;
    }

    uint256 public tokenNum;
    mapping(address => uint256) public getTokenId;
    mapping(uint256 => TokenConfig) public tokenConfigs;
    mapping(address => bool) public isMinted;
    mapping(bytes32 => uint256) public getTokenIdByKey;
    bool public canOnlyMintOnce;
    uint256 public mintUsdValue;

    constructor(address adminAddr) Ownable(adminAddr) {
        mintUsdValue = 10000;
    }

    function getTokenConfig(uint256 index) public view returns (TokenConfig memory) {
        return tokenConfigs[index];
    }

    function addToken(string memory name, string memory symbol, uint8 decimals)
        public
        onlyOwner
        returns (FaucetERC20 token, MockPriceFeed priceFeed)
    {
        if (getTokenIdByKey[calcTokenKey(name, symbol, decimals)] != 0) {
            revert TokenExisted(name, symbol, decimals);
        } else {
            token = new FaucetERC20(address(this), name, symbol, decimals);
            priceFeed = new MockPriceFeed(owner());
            tokenNum++;
            tokenConfigs[tokenNum] = TokenConfig(address(token), address(priceFeed));
            getTokenId[address(token)] = tokenNum;
            getTokenIdByKey[calcTokenKey(name, symbol, decimals)] = tokenNum;
        }
    }

    function setMintUsdValue(uint256 _mintUsdValue) public onlyOwner {
        mintUsdValue = _mintUsdValue;
    }

    function setPriceFeed(uint256 index, address priceFeedAddr) public onlyOwner {
        tokenConfigs[index].priceFeedAddr = priceFeedAddr;
    }

    function setCanOnlyMintOnce(bool _canOnlyMintOnce) public onlyOwner {
        canOnlyMintOnce = _canOnlyMintOnce;
    }

    function batchMint() public {
        if (canOnlyMintOnce && isMinted[msg.sender]) revert OnlyMintOnce();
        isMinted[msg.sender] = true;
        for (uint256 i = 1; i < tokenNum + 1; i++) {
            TokenConfig memory tokenConfig = tokenConfigs[i];
            MockPriceFeed priceFeed = MockPriceFeed(tokenConfig.priceFeedAddr);
            (, int256 answer,,,) = priceFeed.latestRoundData();
            uint8 tokenDecimals = FaucetERC20(tokenConfig.tokenAddr).decimals();
            uint8 priceFeedDecimals = priceFeed.decimals();
            uint256 mintAmt = (mintUsdValue * 10 ** (priceFeedDecimals + tokenDecimals)) / uint256(answer);
            FaucetERC20(tokenConfig.tokenAddr).mint(msg.sender, mintAmt);
        }
    }

    function batchMintWithValue(uint256 mintValue) public {
        if (canOnlyMintOnce && isMinted[msg.sender]) revert OnlyMintOnce();
        isMinted[msg.sender] = true;
        for (uint256 i = 1; i < tokenNum + 1; i++) {
            TokenConfig memory tokenConfig = tokenConfigs[i];
            MockPriceFeed priceFeed = MockPriceFeed(tokenConfig.priceFeedAddr);
            (, int256 answer,,,) = priceFeed.latestRoundData();
            uint8 tokenDecimals = FaucetERC20(tokenConfig.tokenAddr).decimals();
            uint8 priceFeedDecimals = priceFeed.decimals();
            uint256 mintAmt = (mintValue * 10 ** (priceFeedDecimals + tokenDecimals)) / uint256(answer);
            FaucetERC20(tokenConfig.tokenAddr).mint(msg.sender, mintAmt);
        }
    }

    function devBatchMint(address to) public onlyOwner {
        for (uint256 i = 1; i < tokenNum + 1; i++) {
            TokenConfig memory tokenConfig = tokenConfigs[i];
            MockPriceFeed priceFeed = MockPriceFeed(tokenConfig.priceFeedAddr);
            (, int256 answer,,,) = priceFeed.latestRoundData();
            uint8 tokenDecimals = FaucetERC20(tokenConfig.tokenAddr).decimals();
            uint8 priceFeedDecimals = priceFeed.decimals();
            uint256 mintAmt = (mintUsdValue * 10 ** (priceFeedDecimals + tokenDecimals)) / uint256(answer);
            FaucetERC20(tokenConfig.tokenAddr).mint(to, mintAmt);
        }
    }

    function devMint(address to, address tokenAddr, uint256 mintAmt) public onlyOwner {
        FaucetERC20(tokenAddr).mint(to, mintAmt);
    }

    function calcTokenKey(string memory name, string memory symbol, uint8 decimals) public pure returns (bytes32) {
        return keccak256(abi.encodePacked(name, symbol, decimals));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)

pragma solidity ^0.8.20;

import {Context} from "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * The initial owner is set to the address provided by the deployer. This can
 * later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

import {ERC20} from "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";

contract FaucetERC20 is ERC20, Ownable {
    uint8 private immutable _decimals;

    constructor(address adminAddr, string memory name, string memory symbol, uint8 _dec)
        ERC20(name, symbol)
        Ownable(adminAddr)
    {
        _decimals = _dec;
    }

    function decimals() public view virtual override returns (uint8) {
        return _decimals;
    }

    function mint(address to, uint256 amount) external {
        _mint(to, amount);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

import {AggregatorV3Interface} from "@chainlink/contracts/src/v0.8/shared/interfaces/AggregatorV3Interface.sol";
import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";

contract MockPriceFeed is AggregatorV3Interface, Ownable {
    struct RoundData {
        uint80 roundId;
        int256 answer;
        uint256 startedAt;
        uint256 updatedAt;
        uint80 answeredInRound;
    }

    event AnswerUpdated(int256 indexed current, uint256 indexed roundId, uint256 updatedAt);

    RoundData private _latestRoundData;

    constructor(address admin) Ownable(admin) {}

    function decimals() external pure override returns (uint8) {
        return 8;
    }

    function description() external pure override returns (string memory) {
        return "Test Oracle";
    }

    function version() external pure override returns (uint256) {
        return 1;
    }

    function getRoundData(uint80)
        external
        view
        override
        returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound)
    {
        return (
            _latestRoundData.roundId,
            _latestRoundData.answer,
            _latestRoundData.startedAt,
            _latestRoundData.updatedAt,
            _latestRoundData.answeredInRound
        );
    }

    function latestRoundData()
        external
        view
        override
        returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound)
    {
        return (
            _latestRoundData.roundId,
            _latestRoundData.answer,
            _latestRoundData.startedAt,
            _latestRoundData.updatedAt,
            _latestRoundData.answeredInRound
        );
    }

    function updateRoundData(RoundData memory roundData) external onlyOwner {
        _latestRoundData = roundData;
        emit AnswerUpdated(roundData.answer, roundData.roundId, roundData.updatedAt);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/ERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "./IERC20.sol";
import {IERC20Metadata} from "./extensions/IERC20Metadata.sol";
import {Context} from "../../utils/Context.sol";
import {IERC20Errors} from "../../interfaces/draft-IERC6093.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * The default value of {decimals} is 18. To change this, you should override
 * this function so it returns a different value.
 *
 * We have followed general OpenZeppelin Contracts guidelines: functions revert
 * instead returning `false` on failure. This behavior is nonetheless
 * conventional and does not conflict with the expectations of ERC-20
 * applications.
 */
abstract contract ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors {
    mapping(address account => uint256) private _balances;

    mapping(address account => mapping(address spender => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view virtual returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5.05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the default value returned by this function, unless
     * it's overridden.
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual returns (uint8) {
        return 18;
    }

    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view virtual returns (uint256) {
        return _totalSupply;
    }

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - the caller must have a balance of at least `value`.
     */
    function transfer(address to, uint256 value) public virtual returns (bool) {
        address owner = _msgSender();
        _transfer(owner, to, value);
        return true;
    }

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual returns (uint256) {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * NOTE: If `value` is the maximum `uint256`, the allowance is not updated on
     * `transferFrom`. This is semantically equivalent to an infinite approval.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 value) public virtual returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, value);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Skips emitting an {Approval} event indicating an allowance update. This is not
     * required by the ERC. See {xref-ERC20-_approve-address-address-uint256-bool-}[_approve].
     *
     * NOTE: Does not update the allowance if the current allowance
     * is the maximum `uint256`.
     *
     * Requirements:
     *
     * - `from` and `to` cannot be the zero address.
     * - `from` must have a balance of at least `value`.
     * - the caller must have allowance for ``from``'s tokens of at least
     * `value`.
     */
    function transferFrom(address from, address to, uint256 value) public virtual returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, value);
        _transfer(from, to, value);
        return true;
    }

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to`.
     *
     * This internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead.
     */
    function _transfer(address from, address to, uint256 value) internal {
        if (from == address(0)) {
            revert ERC20InvalidSender(address(0));
        }
        if (to == address(0)) {
            revert ERC20InvalidReceiver(address(0));
        }
        _update(from, to, value);
    }

    /**
     * @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from`
     * (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding
     * this function.
     *
     * Emits a {Transfer} event.
     */
    function _update(address from, address to, uint256 value) internal virtual {
        if (from == address(0)) {
            // Overflow check required: The rest of the code assumes that totalSupply never overflows
            _totalSupply += value;
        } else {
            uint256 fromBalance = _balances[from];
            if (fromBalance < value) {
                revert ERC20InsufficientBalance(from, fromBalance, value);
            }
            unchecked {
                // Overflow not possible: value <= fromBalance <= totalSupply.
                _balances[from] = fromBalance - value;
            }
        }

        if (to == address(0)) {
            unchecked {
                // Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply.
                _totalSupply -= value;
            }
        } else {
            unchecked {
                // Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256.
                _balances[to] += value;
            }
        }

        emit Transfer(from, to, value);
    }

    /**
     * @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address(0).
     * Relies on the `_update` mechanism
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead.
     */
    function _mint(address account, uint256 value) internal {
        if (account == address(0)) {
            revert ERC20InvalidReceiver(address(0));
        }
        _update(address(0), account, value);
    }

    /**
     * @dev Destroys a `value` amount of tokens from `account`, lowering the total supply.
     * Relies on the `_update` mechanism.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead
     */
    function _burn(address account, uint256 value) internal {
        if (account == address(0)) {
            revert ERC20InvalidSender(address(0));
        }
        _update(account, address(0), value);
    }

    /**
     * @dev Sets `value` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     *
     * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument.
     */
    function _approve(address owner, address spender, uint256 value) internal {
        _approve(owner, spender, value, true);
    }

    /**
     * @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event.
     *
     * By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by
     * `_spendAllowance` during the `transferFrom` operation set the flag to false. This saves gas by not emitting any
     * `Approval` event during `transferFrom` operations.
     *
     * Anyone who wishes to continue emitting `Approval` events on the`transferFrom` operation can force the flag to
     * true using the following override:
     *
     * ```solidity
     * function _approve(address owner, address spender, uint256 value, bool) internal virtual override {
     *     super._approve(owner, spender, value, true);
     * }
     * ```
     *
     * Requirements are the same as {_approve}.
     */
    function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual {
        if (owner == address(0)) {
            revert ERC20InvalidApprover(address(0));
        }
        if (spender == address(0)) {
            revert ERC20InvalidSpender(address(0));
        }
        _allowances[owner][spender] = value;
        if (emitEvent) {
            emit Approval(owner, spender, value);
        }
    }

    /**
     * @dev Updates `owner` s allowance for `spender` based on spent `value`.
     *
     * Does not update the allowance value in case of infinite allowance.
     * Revert if not enough allowance is available.
     *
     * Does not emit an {Approval} event.
     */
    function _spendAllowance(address owner, address spender, uint256 value) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance != type(uint256).max) {
            if (currentAllowance < value) {
                revert ERC20InsufficientAllowance(spender, currentAllowance, value);
            }
            unchecked {
                _approve(owner, spender, currentAllowance - value, false);
            }
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

// solhint-disable-next-line interface-starts-with-i
interface AggregatorV3Interface {
  function decimals() external view returns (uint8);

  function description() external view returns (string memory);

  function version() external view returns (uint256);

  function getRoundData(
    uint80 _roundId
  ) external view returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound);

  function latestRoundData()
    external
    view
    returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC-20 standard as defined in the ERC.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the value of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the value of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 value) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the
     * allowance mechanism. `value` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 value) external returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC-20 standard.
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/draft-IERC6093.sol)
pragma solidity ^0.8.20;

/**
 * @dev Standard ERC-20 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-20 tokens.
 */
interface IERC20Errors {
    /**
     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param balance Current balance for the interacting account.
     * @param needed Minimum amount required to perform a transfer.
     */
    error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC20InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC20InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers.
     * @param spender Address that may be allowed to operate on tokens without being their owner.
     * @param allowance Amount of tokens a `spender` is allowed to operate with.
     * @param needed Minimum amount required to perform a transfer.
     */
    error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC20InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `spender` to be approved. Used in approvals.
     * @param spender Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC20InvalidSpender(address spender);
}

/**
 * @dev Standard ERC-721 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-721 tokens.
 */
interface IERC721Errors {
    /**
     * @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in ERC-20.
     * Used in balance queries.
     * @param owner Address of the current owner of a token.
     */
    error ERC721InvalidOwner(address owner);

    /**
     * @dev Indicates a `tokenId` whose `owner` is the zero address.
     * @param tokenId Identifier number of a token.
     */
    error ERC721NonexistentToken(uint256 tokenId);

    /**
     * @dev Indicates an error related to the ownership over a particular token. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param tokenId Identifier number of a token.
     * @param owner Address of the current owner of a token.
     */
    error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC721InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC721InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     * @param tokenId Identifier number of a token.
     */
    error ERC721InsufficientApproval(address operator, uint256 tokenId);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC721InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC721InvalidOperator(address operator);
}

/**
 * @dev Standard ERC-1155 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-1155 tokens.
 */
interface IERC1155Errors {
    /**
     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param balance Current balance for the interacting account.
     * @param needed Minimum amount required to perform a transfer.
     * @param tokenId Identifier number of a token.
     */
    error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC1155InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC1155InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     * @param owner Address of the current owner of a token.
     */
    error ERC1155MissingApprovalForAll(address operator, address owner);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC1155InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC1155InvalidOperator(address operator);

    /**
     * @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation.
     * Used in batch transfers.
     * @param idsLength Length of the array of token identifiers
     * @param valuesLength Length of the array of token amounts
     */
    error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);
}

Settings
{
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    "@pendle/core-v2/contracts/=lib/pendle-core-v2-public/contracts/",
    "@uniswap/v3-core/contracts/=lib/v3-core/contracts/",
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    "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
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  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
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        "metadata",
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      ]
    }
  },
  "evmVersion": "cancun",
  "viaIR": true,
  "libraries": {}
}

Contract ABI

API
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

Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

000000000000000000000000e355d5d8aa52ef0fbbd037c4a3c5e6fd659cf46b

-----Decoded View---------------
Arg [0] : adminAddr (address): 0xE355d5D8aa52EF0FbbD037C4a3C5E6Fd659cf46B

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000e355d5d8aa52ef0fbbd037c4a3c5e6fd659cf46b


Block Uncle Number Difficulty Gas Used Reward
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0xae18f28888914cfAFe895D4983F348bc99f47b9A
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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.