Changes to contract + estimated gas

contracts/SNTGiveaway.sol

@@ -64,18 +64,30 @@ contract SNTGiveaway is Controlled {
         root = _root;
         
     }
+
+    function manualSend(address _destAddress, bytes5 code) public onlyController {
+        require(!sentToAddress[_dest] && !codeUsed[_code], "Funds already sent / Code already used");
+
+        sentToAddress[_dest] = true;
+        codeUsed[_code] = true;
+
+        require(SNT.transfer(_dest, sntAmount), "Transfer did not work");
+        _dest.transfer(ethAmount);
+        
+        emit AddressFunded(_dest, _code, ethAmount, sntAmount);
+    }
     
     /// @notice Extract balance in ETH + SNT from the contract and destroy the contract
     function boom() public onlyController {
         uint sntBalance = SNT.balanceOf(address(this));
-        require(SNT.transfer(controller, sntBalance), "Transfer did not work");
+        require(SNT.transfer(msg.sender, sntBalance), "Transfer did not work");
-        selfdestruct(controller);
+        selfdestruct(msg.sender);
     }
 
 
-      function() public payable {
+    function() public payable {
           
-       }
+    }
 
     
 }

contracts/common/Controlled.sol

@@ -1,22 +1,24 @@
 pragma solidity ^0.4.23;
 
 contract Controlled {
+
+    mapping(address => bool) controllers;
+
     /// @notice The address of the controller is the only address that can call
     ///  a function with this modifier
     modifier onlyController { 
-        require(msg.sender == controller); 
+        require(controllers[msg.sender]); 
         _; 
     }
 
     address public controller;
 
     constructor() internal { 
-        controller = msg.sender; 
+        controllers[msg.sender] = true; 
     }
 
-    /// @notice Changes the controller of the contract
+    function changeControllerAccess(address _controller, bool _access) public onlyController {
-    /// @param _newController The new controller of the contract
+        controllers[_controller] = _access;
-    function changeController(address _newController) public onlyController {
-        controller = _newController;
     }
+
 }

server/main.js

@@ -124,7 +124,7 @@ const process = async (request) => {
 
         const tx = {
             gasPrice: parseInt(gasPrice),
-            gas: estimatedGas + 1000,
+            gas: estimatedGas + 50000,
             from: account.address,
             to: config.contractAddress,
             value: "0x00",