add simple getter funcs for balances

src/Main.sol

@@ -69,6 +69,16 @@ contract Main is Owned {
     //                              Tokens
     // =========================================================================
 
+    /// Get balance of BOOMR tokens
+    function unaboomerBalance(address _address) public view returns (uint256) {
+        return unaboomer.balanceOf(_address);
+    }
+
+    /// Get balance of BOMB tokens
+    function bombBalance(address _address) public view returns (uint256) {
+        return mailbomb.balanceOf(_address, 1);
+    }
+
     /// Radicalize a boomer to become a Unaboomer - start with 2 bombs
     function radicalizeBoomers(uint256 _amount) external payable missionNotCompleted {
         require(msg.value >= _amount * boomerPrice, "not enough ether");
@@ -90,7 +100,7 @@ contract Main is Owned {
         bool[] memory results,
         uint256[] memory tokensKilled
     ) {
-        require(_amount <= mailbomb.balanceOf(msg.sender, 1), "not enough bombs");
+        require(_amount <= bombBalance(msg.sender), "not enough bombs");
         require(_amount <= unaboomer.totalSupply(), "not enough supply");
         bool[] memory res = new bool[](_amount);
         uint256[] memory killed = new uint256[](_amount);