From b1089d5eef466dd9b67e5bece784e29918db933e Mon Sep 17 00:00:00 2001
From: Gleb Alekseev <alekseev.gleb@gmail.com>
Date: Tue, 20 Jun 2023 19:29:18 +0300
Subject: [PATCH 1/2] pods

---
 contracts/IERC20Pods.sol | 22 ++++++++++++++++++++++
 package.json             |  3 ++-
 yarn.lock                |  5 +++++
 3 files changed, 29 insertions(+), 1 deletion(-)
 create mode 100644 contracts/IERC20Pods.sol

diff --git a/contracts/IERC20Pods.sol b/contracts/IERC20Pods.sol
new file mode 100644
index 0000000..4124a10
--- /dev/null
+++ b/contracts/IERC20Pods.sol
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: MIT
+
+pragma solidity ^0.8.0;
+
+import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
+
+interface IERC20Pods is IERC20 {
+    event PodAdded(address account, address pod);
+    event PodRemoved(address account, address pod);
+
+    function podsLimit() external view returns(uint256);
+    function podCallGasLimit() external view returns(uint256);
+    function hasPod(address account, address pod) external view returns(bool);
+    function podsCount(address account) external view returns(uint256);
+    function podAt(address account, uint256 index) external view returns(address);
+    function pods(address account) external view returns(address[] memory);
+    function podBalanceOf(address pod, address account) external view returns(uint256);
+
+    function addPod(address pod) external;
+    function removePod(address pod) external;
+    function removeAllPods() external;
+}
diff --git a/package.json b/package.json
index c79a998..7f15dc7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,7 @@
 {
   "dependencies": {
-    "hardhat": "^2.15.0"
+    "hardhat": "^2.15.0",
+    "@openzeppelin/contracts": "4.8.2"
   },
   "devDependencies": {
     "@nomicfoundation/hardhat-chai-matchers": "^2.0.0",
diff --git a/yarn.lock b/yarn.lock
index acba746..1b12a51 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -676,6 +676,11 @@
     "@nomicfoundation/solidity-analyzer-win32-ia32-msvc" "0.1.1"
     "@nomicfoundation/solidity-analyzer-win32-x64-msvc" "0.1.1"
 
+"@openzeppelin/contracts@4.8.2":
+  version "4.8.2"
+  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.8.2.tgz#d815ade0027b50beb9bcca67143c6bcc3e3923d6"
+  integrity sha512-kEUOgPQszC0fSYWpbh2kT94ltOJwj1qfT2DWo+zVttmGmf97JZ99LspePNaeeaLhCImaHVeBbjaQFZQn7+Zc5g==
+
 "@scure/base@~1.1.0":
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/@scure/base/-/base-1.1.1.tgz#ebb651ee52ff84f420097055f4bf46cfba403938"

From 7ea7285ba21dce1be6951614d9b78617a36ac3e3 Mon Sep 17 00:00:00 2001
From: Gleb Alekseev <alekseev.gleb@gmail.com>
Date: Wed, 21 Jun 2023 10:43:04 +0300
Subject: [PATCH 2/2] Create Lock2.sol

---
 contracts/Lock2.sol | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 contracts/Lock2.sol

diff --git a/contracts/Lock2.sol b/contracts/Lock2.sol
new file mode 100644
index 0000000..3934e6e
--- /dev/null
+++ b/contracts/Lock2.sol
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.9;
+
+// Uncomment this line to use console.log
+// import "hardhat/console.sol";
+
+contract Lock2 {
+    uint public unlockTime;
+    address payable public owner;
+
+    event Withdrawal(uint amount, uint when);
+
+    constructor(uint _unlockTime) payable {
+        require(
+            block.timestamp < _unlockTime,
+            "Unlock time should be in the future"
+        );
+
+        unlockTime = _unlockTime;
+        owner = payable(msg.sender);
+    }
+
+    function withdraw() public {
+        // Uncomment this line, and the import of "hardhat/console.sol", to print a log in your terminal
+        // console.log("Unlock time is %o and block timestamp is %o", unlockTime, block.timestamp);
+
+        require(block.timestamp >= unlockTime, "You can't withdraw yet");
+        require(msg.sender == owner, "You aren't the owner");
+
+        emit Withdrawal(address(this).balance, block.timestamp);
+
+        owner.transfer(address(this).balance);
+    }
+}