From ed8a6bb97b8c0b51e8a91c8aa0d3defa90344d96 Mon Sep 17 00:00:00 2001
From: Lawrence Forman <lawrence@0xproject.com>
Date: Thu, 29 Aug 2019 05:35:06 -0400
Subject: [PATCH] `@0x/contracts-staking`: Emit `CobbDouglasAlphaChanged` event
 when calling `setCobbDouglasAlpha()`.

---
 contracts/staking/contracts/src/fees/MixinExchangeFees.sol | 1 +
 1 file changed, 1 insertion(+)

diff --git a/contracts/staking/contracts/src/fees/MixinExchangeFees.sol b/contracts/staking/contracts/src/fees/MixinExchangeFees.sol
index e5a4fa8dfa..46736e58ac 100644
--- a/contracts/staking/contracts/src/fees/MixinExchangeFees.sol
+++ b/contracts/staking/contracts/src/fees/MixinExchangeFees.sol
@@ -76,6 +76,7 @@ contract MixinExchangeFees is
         }
         cobbDouglasAlphaNumerator = numerator;
         cobbDouglasAlphaDenomintor = denominator;
+        emit CobbDouglasAlphaChanged(numerator, denominator);
     }
 
     /// TODO(jalextowle): Add WETH to protocol fees. Should this be unwrapped?