Merge pull request #4 from maia-dev/fixTransfers

Fix transfers

Author: AgeManning

README.md

@@ -297,8 +297,9 @@ contract TimeLock {
         require(balances[msg.sender] > 0);
         require(now > lockTime[msg.sender]);
         uint balance = balances[msg.sender];
+        uint transferValue = balances[msg.sender];
         balances[msg.sender] = 0;
-        msg.sender.transfer(balance);
+        msg.sender.transfer(transferValue);
     }
 }
 ```
@@ -398,8 +399,9 @@ contract TimeLock {
     function withdraw() public {
         require(balances[msg.sender] > 0);
         require(now > lockTime[msg.sender]);
+        uint transferValue = balances[msg.sender];
         balances[msg.sender] = 0;
-        msg.sender.transfer(balances[msg.sender]);
+        msg.sender.transfer(transferValue);
     }
 }
 ```
@@ -483,8 +485,9 @@ contract EtherGame {
         require(this.balance == finalMileStone);
         // ensure there is a reward to give
         require(redeemableEther[msg.sender] > 0); 
+        uint transferValue = redeemableEther[msg.sender];
         redeemableEther[msg.sender] = 0;
-        msg.sender.transfer(redeemableEther[msg.sender]);
+        msg.sender.transfer(transferValue);
     }
  }    
 ```
@@ -538,8 +541,9 @@ contract EtherGame {
         require(depositedWei == finalMileStone);
         // ensure there is a reward to give
         require(redeemableEther[msg.sender] > 0); 
+        uint transferValue = redeemableEther[msg.sender];
         redeemableEther[msg.sender] = 0;
-        msg.sender.transfer(redeemableEther[msg.sender]);
+        msg.sender.transfer(transferValue);
     }
  }    
 ```