ERC20 fully compatible

legends_crowdfund.sol

@@ -7,7 +7,7 @@ import "./legends_token.sol";
  * @title LegendsCrowdfund
  */
 contract LegendsCrowdfund {
-    
+
     address public creator;
     address public exitAddress;
 
@@ -40,7 +40,7 @@ contract LegendsCrowdfund {
         }
         _;
     }
-    
+
     modifier recipientIsValid(address recipient) {
         if (recipient == 0 || recipient == address(this)) {
             throw;
@@ -88,12 +88,12 @@ contract LegendsCrowdfund {
      * @param recipient Address that tokens should be attributed to.
      */
     function purchaseMembership(address recipient) external payable saleActive hasValue recipientIsValid(recipient) {
-        
+
         // Attempt to send the ETH to the exit address.
         if (!exitAddress.send(msg.value)) {
             throw;
         }
-        
+
         // Update ETH amounts.
         recipientETH[recipient] += msg.value;
         totalETH += msg.value;

legends_token.sol

@@ -7,12 +7,16 @@ import "./erc20.sol";
  * @title LegendsToken
  */
 contract LegendsToken is ERC20 {
+    string public name = 'VIP';             //The Token's name: e.g. DigixDAO Tokens
+    uint8 public decimals = 18;             // 1Token ¨= 1$ (1ETH ¨= 10$)
+    string public symbol = 'VIP';           //An identifier: e.g. REP
+    string public version = 'VIP_0.1';
 
     mapping (address => uint) ownerVIP;
     mapping (address => mapping (address => uint)) allowed;
     uint public totalVIP;
     uint public start;
-    
+
     address public legendsCrowdfund;
 
     bool public testing;
@@ -23,7 +27,7 @@ contract LegendsToken is ERC20 {
         }
         _;
     }
-    
+
     modifier isActive() {
         if (block.timestamp < start) {
             throw;
@@ -45,20 +49,6 @@ contract LegendsToken is ERC20 {
         _;
     }
 
-    modifier senderHasSufficient(uint VIP) {
-        if (ownerVIP[msg.sender] < VIP) {
-            throw;
-        }
-        _;
-    }
-
-    modifier transferApproved(address from, uint VIP) {
-        if (allowed[from][msg.sender] < VIP || ownerVIP[from] < VIP) {
-            throw;
-        }
-        _;
-    }
-
     modifier allowanceIsZero(address spender, uint value) {
         // To change the approve amount you first have to reduce the addresses´
         // allowance to zero by calling `approve(_spender,0)` if it is not
@@ -89,7 +79,7 @@ contract LegendsToken is ERC20 {
         testing = _testing;
         totalVIP = ownerVIP[_preallocation] = 25000 ether;
     }
-    
+
     /**
      * @dev Add to token balance on address. Must be from crowdfund.
      * @param recipient Address to add tokens to.
@@ -118,22 +108,30 @@ contract LegendsToken is ERC20 {
     /**
      * @dev Implements ERC20 transfer()
      */
-    function transfer(address _to, uint256 _value) isActive recipientIsValid(_to) senderHasSufficient(_value) returns (bool success) {
-        ownerVIP[msg.sender] -= _value;
-        ownerVIP[_to] += _value;
-        Transfer(msg.sender, _to, _value);
-        return true;
+    function transfer(address _to, uint256 _value) isActive recipientIsValid(_to) returns (bool success) {
+        if (ownerVIP[msg.sender] >= _value) {
+            ownerVIP[msg.sender] -= _value;
+            ownerVIP[_to] += _value;
+            Transfer(msg.sender, _to, _value);
+            return true;
+        } else {
+            return false;
+        }
     }
 
     /**
      * @dev Implements ERC20 transferFrom()
      */
-    function transferFrom(address _from, address _to, uint256 _value) isActive recipientIsValid(_to) transferApproved(_from, _value) returns (bool success) {
-        ownerVIP[_to] += _value;
-        ownerVIP[_from] -= _value;
-        allowed[_from][msg.sender] -= _value;
-        Transfer(_from, _to, _value);
-        return true;
+    function transferFrom(address _from, address _to, uint256 _value) isActive recipientIsValid(_to) returns (bool success) {
+        if (allowed[_from][msg.sender] >= _value && ownerVIP[_from] >= _value) {
+            ownerVIP[_to] += _value;
+            ownerVIP[_from] -= _value;
+            allowed[_from][msg.sender] -= _value;
+            Transfer(_from, _to, _value);
+            return true;
+        } else {
+            return false;
+        }
     }
 
     /**