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

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "../../../../interfaces/IPTokenWithSupplyCap.sol";
import "../../../../interfaces/Terminal/ITerminalFeed.sol";
import "../../../../interfaces/Terminal/ITerminalGenericVault.sol";

interface IPTerminalSYScaled18 {
    function terminalDepositVault() external view returns (address);
    function vaultTokenIn() external view returns (address);
}

contract PendleTerminalExternalCapV2 is IPTokenWithSupplyCap {
    address public immutable sy;
    address public immutable terminalDepositVault;
    address public immutable vaultTokenIn;
    address public immutable mToken;

    constructor(address _sy) {
        sy = _sy;
        terminalDepositVault = IPTerminalSYScaled18(_sy).terminalDepositVault();
        vaultTokenIn = IPTerminalSYScaled18(_sy).vaultTokenIn();
        mToken = ITerminalGenericVault(terminalDepositVault).mToken();
    }

    function getAbsoluteSupplyCap() external view returns (uint256) {
        return ITerminalGenericVault(terminalDepositVault).maxSupplyCap();
    }

    function getAbsoluteTotalSupply() external view returns (uint256) {
        return IERC20(mToken).totalSupply();
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

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

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

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

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

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

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

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

// SPDX-License-Identifier: GPL-3.0-or-later

pragma solidity ^0.8.0;

interface IPTokenWithSupplyCap {
    function getAbsoluteSupplyCap() external view returns (uint256);

    function getAbsoluteTotalSupply() external view returns (uint256);
}

// SPDX-License-Identifier: GPL-3.0-or-later

pragma solidity ^0.8.0;

interface ITerminalFeed {
    function getDataInBase18() external view returns (uint256 answer);
}

// SPDX-License-Identifier: GPL-3.0-or-later

pragma solidity ^0.8.0;

interface ITerminalGenericVault {
    struct TokenConfig {
        address dataFeed;
        uint256 fee;
        uint256 allowance;
        bool stable;
    }

    function mToken() external view returns (address);

    function mTokenDataFeed() external view returns (address);

    function tokensConfig(address token) external view returns (TokenConfig memory);

    function instantFee() external view returns (uint256);

    function waivedFeeRestriction(address account) external view returns (bool);

    function maxSupplyCap() external view returns (uint256);
}

{
  "optimizer": {
    "enabled": true,
    "runs": 1000000
  },
  "viaIR": true,
  "evmVersion": "shanghai",
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

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