From 147f9f1e09b44da22d01cce77cf0c6b6ea271581 Mon Sep 17 00:00:00 2001
From: c9s <yoan@maicoin.com>
Date: Sat, 20 Nov 2021 23:08:52 +0800
Subject: [PATCH] add constracts/Migrations

---
 sol/contracts/Migrations.sol | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 sol/contracts/Migrations.sol

diff --git a/sol/contracts/Migrations.sol b/sol/contracts/Migrations.sol
new file mode 100644
index 000000000..9aac9750f
--- /dev/null
+++ b/sol/contracts/Migrations.sol
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: MIT
+pragma solidity >=0.4.22 <0.9.0;
+
+contract Migrations {
+  address public owner = msg.sender;
+  uint public last_completed_migration;
+
+  modifier restricted() {
+    require(
+      msg.sender == owner,
+      "This function is restricted to the contract's owner"
+    );
+    _;
+  }
+
+  function setCompleted(uint completed) public restricted {
+    last_completed_migration = completed;
+  }
+}