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// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.8.0;

/* solhint-disable var-name-mixedcase  */

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "../contracts/interfaces/IUSDeSiloDefinitions.sol";

/**
 * @title USDeSilo
 * @notice The Silo allows to store USDe during the stake cooldown process.
 */
contract USDeSilo is IUSDeSiloDefinitions {
  address immutable _STAKING_VAULT;
  IERC20 immutable _USDE;

  constructor(address stakingVault, address usde) {
    _STAKING_VAULT = stakingVault;
    _USDE = IERC20(usde);
  }

  modifier onlyStakingVault() {
    if (msg.sender != _STAKING_VAULT) revert OnlyStakingVault();
    _;
  }

  function withdraw(address to, uint256 amount) external onlyStakingVault {
    _USDE.transfer(to, amount);
  }
}

// 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
pragma solidity 0.8.19;

interface IUSDeSiloDefinitions {
  /// @notice Error emitted when the staking vault is not the caller
  error OnlyStakingVault();
}

{
  "remappings": [
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "forge-std/=lib/forge-std/src/",
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "@aave/core-v3/=lib/aave-v3-core/",
    "@bgd-helpers/=lib/aave-helpers/src/",
    "solidity-utils/=lib/aave-helpers/lib/solidity-utils/src/",
    "@aave/core-v3/=lib/aave-helpers/lib/aave-address-book/lib/aave-v3-core/",
    "@aave/periphery-v3/=lib/aave-helpers/lib/aave-address-book/lib/aave-v3-periphery/",
    "aave-address-book/=lib/aave-helpers/lib/aave-address-book/src/",
    "aave-helpers/=lib/aave-helpers/",
    "aave-v3-core/=lib/aave-v3-core/",
    "aave-v3-periphery/=lib/aave-helpers/lib/aave-address-book/lib/aave-v3-periphery/",
    "erc4626-tests/=lib/openzeppelin-contracts-upgradeable/lib/erc4626-tests/",
    "governance-crosschain-bridges/=lib/aave-helpers/lib/governance-crosschain-bridges/",
    "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "openzeppelin/=lib/openzeppelin-contracts-upgradeable/contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 20000
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "libraries": {}
}

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[{"inputs":[{"internalType":"address","name":"stakingVault","type":"address"},{"internalType":"address","name":"usde","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"OnlyStakingVault","type":"error"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

0000000000000000000000009d39a5de30e57443bff2a8307a4256c8797a34970000000000000000000000004c9edd5852cd905f086c759e8383e09bff1e68b3

-----Decoded View---------------
Arg [0] : stakingVault (address): 0x9D39A5DE30e57443BfF2A8307A4256c8797A3497
Arg [1] : usde (address): 0x4c9EDD5852cd905f086C759E8383e09bff1E68B3

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 0000000000000000000000009d39a5de30e57443bff2a8307a4256c8797a3497
Arg [1] : 0000000000000000000000004c9edd5852cd905f086c759e8383e09bff1e68b3