From a4e84eff45c8d74d6784548df59dec372beb6093 Mon Sep 17 00:00:00 2001
From: MrDev023 <trexricher1997@gmail.com>
Date: Thu, 1 Feb 2018 12:06:56 +0100
Subject: [PATCH] Bug fixes scripts npm

---
 contracts/Migrations.sol          | 23 +++++++++++++++++++++++
 migrations/1_initial_migration.js |  2 ++
 2 files changed, 25 insertions(+)
 create mode 100644 contracts/Migrations.sol

diff --git a/contracts/Migrations.sol b/contracts/Migrations.sol
new file mode 100644
index 0000000..f170cb4
--- /dev/null
+++ b/contracts/Migrations.sol
@@ -0,0 +1,23 @@
+pragma solidity ^0.4.17;
+
+contract Migrations {
+  address public owner;
+  uint public last_completed_migration;
+
+  modifier restricted() {
+    if (msg.sender == owner) _;
+  }
+
+  function Migrations() public {
+    owner = msg.sender;
+  }
+
+  function setCompleted(uint completed) public restricted {
+    last_completed_migration = completed;
+  }
+
+  function upgrade(address new_address) public restricted {
+    Migrations upgraded = Migrations(new_address);
+    upgraded.setCompleted(last_completed_migration);
+  }
+}
diff --git a/migrations/1_initial_migration.js b/migrations/1_initial_migration.js
index b9de090..f811bdd 100644
--- a/migrations/1_initial_migration.js
+++ b/migrations/1_initial_migration.js
@@ -1,5 +1,7 @@
+var Migrations = artifacts.require("./Migrations.sol");
 var HelloEthSalon = artifacts.require('./HelloEthSalon.sol');
 
 module.exports = function(deployer) {
+  deployer.deploy(Migrations);
   deployer.deploy(HelloEthSalon);
 };
\ No newline at end of file