From 2d83c557b1c89b4486ffe68bf71b2def7f624e61 Mon Sep 17 00:00:00 2001
From: Mikhail Melnik <by.zumzoom@gmail.com>
Date: Tue, 17 Oct 2017 16:24:16 +0300
Subject: [PATCH] Finish minting should me called only once

Multiple calls to `finishMinting` will emit multiple `MintFinished` events which may be surprising if one rely on `MintFinished` event.
---
 contracts/token/MintableToken.sol | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contracts/token/MintableToken.sol b/contracts/token/MintableToken.sol
index 234def478..4f3e3c505 100644
--- a/contracts/token/MintableToken.sol
+++ b/contracts/token/MintableToken.sol
@@ -43,7 +43,7 @@ contract MintableToken is StandardToken, Ownable {
    * @dev Function to stop minting new tokens.
    * @return True if the operation was successful.
    */
-  function finishMinting() onlyOwner public returns (bool) {
+  function finishMinting() onlyOwner canMint public returns (bool) {
     mintingFinished = true;
     MintFinished();
     return true;