ERC20 standard function

ERC20.sol

@@ -13,6 +13,8 @@ contract ERC20 {
 
     event Approval(address indexed _owner, address indexed _spender, uint256 _value);
 
+    function totalSupply() external constant returns (uint);
+
     function balanceOf(address _owner) external constant returns (uint256);
 
     function transfer(address _to, uint256 _value) external returns (bool);

GEEToken.sol

@@ -47,15 +47,15 @@ contract GEEToken is MigratableToken {
     uint256 private constant DENOMINATOR = 1000;
 
     function GEEToken() {
-        uint256 icoAndCommunityTokens = totalSupply * ICO_AND_COMMUNITY_THOUSANDTH / DENOMINATOR;
-    	//88% of totalSupply
+        uint256 icoAndCommunityTokens = _totalSupply * ICO_AND_COMMUNITY_THOUSANDTH / DENOMINATOR;
+    	//88% of _totalSupply
         balances[msg.sender] = icoAndCommunityTokens;
-        //2.4% of totalSupply
-        balances[TEAM0] = totalSupply * TEAM0_THOUSANDTH / DENOMINATOR;
-        //3.6% of totalSupply
-        team1Balance = totalSupply * TEAM1_THOUSANDTH / DENOMINATOR;
-        //6% of totalSupply
-        team2Balance = totalSupply * TEAM2_THOUSANDTH / DENOMINATOR;
+        //2.4% of _totalSupply
+        balances[TEAM0] = _totalSupply * TEAM0_THOUSANDTH / DENOMINATOR;
+        //3.6% of _totalSupply
+        team1Balance = _totalSupply * TEAM1_THOUSANDTH / DENOMINATOR;
+        //6% of _totalSupply
+        team2Balance = _totalSupply * TEAM2_THOUSANDTH / DENOMINATOR;
 
         Transfer (this, msg.sender, icoAndCommunityTokens);
     }

MigratableToken.sol

@@ -43,7 +43,7 @@ contract MigratableToken is Token {
         //Migrates user balance
         balances[msg.sender] = balances[msg.sender].SUB(_value);
         //Migrates total supply
-        totalSupply = totalSupply.SUB(_value);
+        _totalSupply = _totalSupply.SUB(_value);
         //Counts migrated tokens
         totalMigrated = totalMigrated.ADD(_value);
         //Upgrade agent reissues the tokens

README.md

@@ -106,7 +106,7 @@ This contract defines a standard ERC20 token with some extra functionalities. Th
 
 #### **Variables**
 ```javascript
-uint256 public totalSupply = 100 * (10**6) * (10**8);
+uint256 public _totalSupply = 100 * (10**6) * (10**8);
 ```
 Total supply of tokens is 100 million.
 <br>
@@ -136,6 +136,14 @@ event Burn(address indexed _from, uint256 _value);
 The event that is triggered when tokens are burned. The indexed parameters allow filtering events by specific addresses.
 <br>
 <br>
+```javascript
+    function totalSupply() external constant returns (uint256 totalTokenSupply) {
+        totalTokenSupply = _totalSupply;
+    }
+ ```
+ A function that return total supply of the token.
+<br>
+<br>
 #### **Functions** 
 ```javascript
 function transfer(address _to, uint256 _amount)
@@ -239,15 +247,15 @@ To decrease allowed value is better to use this function to avoid 2 calls (and w
 <br>
 <br>
 ```javascript
-function burn(uint256 _value) external returns (bool success) {
-    require(trusted[msg.sender]);
-    //Subtract from the sender
-    balances[msg.sender] = balances[msg.sender].SUB(_value);
-    //Update totalSupply
-    totalSupply = totalSupply.SUB(_value);
-    Burn(msg.sender, _value);
-    return true;
-}
+    function burn(uint256 _value) external returns (bool success) {
+        require(trusted[msg.sender]);
+        //Subtract from the sender
+        balances[msg.sender] = balances[msg.sender].SUB(_value);
+        //Update _totalSupply
+        _totalSupply = _totalSupply.SUB(_value);
+        Burn(msg.sender, _value);
+        return true;
+    }
 ```
 Allows trusted address burning a specific amount of his tokens. This function is intended to be called after the Crowdsale to burn the unsold tokens.
 <br>
@@ -394,17 +402,17 @@ uint256 private constant DENOMINATOR = 1000;
 #### **Functions**
 ```javascript
 function GEEToken() {
-    uint256 icoAndCommunityTokens = totalSupply * ICO_AND_COMMUNITY_THOUSANDTH / DENOMINATOR;
-	//88% of totalSupply
-     balances[msg.sender] = icoAndCommunityTokens;
-    //2.4% of totalSupply
-    balances[TEAM0] = totalSupply * TEAM0_THOUSANDTH / DENOMINATOR;
-    //3.6% of totalSupply
-    team1Balance = totalSupply * TEAM1_THOUSANDTH / DENOMINATOR;
-     //6% of totalSupply
-    team2Balance = totalSupply * TEAM2_THOUSANDTH / DENOMINATOR;
-
-    Transfer (this, msg.sender, icoAndCommunityTokens);
+        uint256 icoAndCommunityTokens = _totalSupply * ICO_AND_COMMUNITY_THOUSANDTH / DENOMINATOR;
+    	//88% of _totalSupply
+        balances[msg.sender] = icoAndCommunityTokens;
+        //2.4% of _totalSupply
+        balances[TEAM0] = _totalSupply * TEAM0_THOUSANDTH / DENOMINATOR;
+        //3.6% of _totalSupply
+        team1Balance = _totalSupply * TEAM1_THOUSANDTH / DENOMINATOR;
+        //6% of _totalSupply
+        team2Balance = _totalSupply * TEAM2_THOUSANDTH / DENOMINATOR;
+
+        Transfer (this, msg.sender, icoAndCommunityTokens);
 }
 ```
 Upon creation of the contract, 88% of tokens are allocated to the owner of the contract, 3.6% to the first team wallet and 6% to the second team wallet.
@@ -1005,7 +1013,7 @@ function migrate(uint256 _value) external {
     //Migrates user balance
     balances[msg.sender] = balances[msg.sender].SUB(_value);
     //Migrates total supply
-    totalSupply = totalSupply.SUB(_value);
+    _totalSupply = _totalSupply.SUB(_value);
     //Counts migrated tokens
     totalMigrated = totalMigrated.ADD(_value);
     //Upgrade agent reissues the tokens

Token.sol

@@ -13,7 +13,7 @@ contract Token is ERC20, Pausable {
     using SafeMath for uint256;
 
     //Total amount of Gee
-    uint256 public totalSupply = 100 * (10**6) * (10**8);
+    uint256 public _totalSupply = 100 * (10**6) * (10**8);
 
     //Iend of crowdsale
     uint256 public constant ICO_END = 222222222;
@@ -26,6 +26,11 @@ contract Token is ERC20, Pausable {
     //Notifies users about the amount burnt
     event Burn(address indexed _from, uint256 _value);
 
+    //return _totalSupply of the Token
+    function totalSupply() external constant returns (uint256 totalTokenSupply) {
+        totalTokenSupply = _totalSupply;
+    }
+
     //What is the balance of a particular account?
     function balanceOf(address _owner)
         external
@@ -131,8 +136,8 @@ contract Token is ERC20, Pausable {
         require(trusted[msg.sender]);
         //Subtract from the sender
         balances[msg.sender] = balances[msg.sender].SUB(_value);
-        //Update totalSupply
-        totalSupply = totalSupply.SUB(_value);
+        //Update _totalSupply
+        _totalSupply = _totalSupply.SUB(_value);
         Burn(msg.sender, _value);
         return true;
     }