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backend/contracts/MockToken.sol

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+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.20;
+
+import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
+
+/**
+ * @title MockToken
+ * @dev Мок-токен для тестирования TreasuryModule
+ */
+contract MockToken is ERC20 {
+    address public minter;
+
+    constructor(string memory name, string memory symbol) ERC20(name, symbol) {
+        minter = msg.sender;
+    }
+
+    modifier onlyMinter() {
+        require(msg.sender == minter, "Only minter can call this function");
+        _;
+    }
+
+    function mint(address to, uint256 amount) external onlyMinter {
+        _mint(to, amount);
+    }
+
+    function burn(uint256 amount) external {
+        _burn(msg.sender, amount);
+    }
+}