From 204f77922c2b602e09798c2ec0c7eaff536401bc Mon Sep 17 00:00:00 2001
From: Brendan Asselstine <mail.asselstine@gmail.com>
Date: Wed, 8 Jan 2020 11:52:11 -0800
Subject: [PATCH] Made ERC777 registry and private functions internal.

---
 contracts/token/ERC777/ERC777.sol | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/contracts/token/ERC777/ERC777.sol b/contracts/token/ERC777/ERC777.sol
index 6946361092f..e4d5df2e90c 100644
--- a/contracts/token/ERC777/ERC777.sol
+++ b/contracts/token/ERC777/ERC777.sol
@@ -28,7 +28,7 @@ contract ERC777 is Context, IERC777, IERC20 {
     using SafeMath for uint256;
     using Address for address;
 
-    IERC1820Registry constant private ERC1820_REGISTRY = IERC1820Registry(0x1820a4B7618BdE71Dce8cdc73aAB6C95905faD24);
+    IERC1820Registry constant internal ERC1820_REGISTRY = IERC1820Registry(0x1820a4B7618BdE71Dce8cdc73aAB6C95905faD24);
 
     mapping(address => uint256) private _balances;
 
@@ -350,7 +350,7 @@ contract ERC777 is Context, IERC777, IERC20 {
         bytes memory operatorData,
         bool requireReceptionAck
     )
-        private
+        internal
     {
         require(from != address(0), "ERC777: send from the zero address");
         require(to != address(0), "ERC777: send to the zero address");
@@ -399,7 +399,7 @@ contract ERC777 is Context, IERC777, IERC20 {
         bytes memory userData,
         bytes memory operatorData
     )
-        private
+        internal
     {
         _balances[from] = _balances[from].sub(amount, "ERC777: transfer amount exceeds balance");
         _balances[to] = _balances[to].add(amount);
@@ -408,7 +408,7 @@ contract ERC777 is Context, IERC777, IERC20 {
         emit Transfer(from, to, amount);
     }
 
-    function _approve(address holder, address spender, uint256 value) private {
+    function _approve(address holder, address spender, uint256 value) internal {
         // TODO: restore this require statement if this function becomes internal, or is called at a new callsite. It is
         // currently unnecessary.
         //require(holder != address(0), "ERC777: approve from the zero address");
@@ -435,7 +435,7 @@ contract ERC777 is Context, IERC777, IERC20 {
         bytes memory userData,
         bytes memory operatorData
     )
-        private
+        internal
     {
         address implementer = ERC1820_REGISTRY.getInterfaceImplementer(from, TOKENS_SENDER_INTERFACE_HASH);
         if (implementer != address(0)) {
@@ -463,7 +463,7 @@ contract ERC777 is Context, IERC777, IERC20 {
         bytes memory operatorData,
         bool requireReceptionAck
     )
-        private
+        internal
     {
         address implementer = ERC1820_REGISTRY.getInterfaceImplementer(to, TOKENS_RECIPIENT_INTERFACE_HASH);
         if (implementer != address(0)) {