From 5ea4c937f4aa7be463c78ab10c1731a9b8e3aeeb Mon Sep 17 00:00:00 2001
From: Noah Zinsmeister <noahwz@gmail.com>
Date: Wed, 22 Jan 2020 15:43:22 -0500
Subject: [PATCH] make selector public

---
 contracts/UniswapV2Exchange.sol | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contracts/UniswapV2Exchange.sol b/contracts/UniswapV2Exchange.sol
index 14c21dda0..012af8742 100644
--- a/contracts/UniswapV2Exchange.sol
+++ b/contracts/UniswapV2Exchange.sol
@@ -11,7 +11,7 @@ contract UniswapV2Exchange is IUniswapV2Exchange, UniswapV2ERC20 {
     using SafeMath  for uint;
     using UQ112x112 for uint224;
 
-    bytes4 constant selector = bytes4(keccak256(bytes("transfer(address,uint256)")));
+    bytes4 constant public selector = bytes4(keccak256(bytes("transfer(address,uint256)")));
     address public factory;
     address public token0;
     address public token1;