Automatically merged updates to draft EIP(s) 820

Hi, I'm a bot! This change was automatically merged because:

 - It only modifies existing Draft or Last Call EIP(s)
 - The PR was approved or written by at least one author of each modified EIP
 - The build is passing

EIPS/eip-820.md

@@ -41,7 +41,7 @@ This standard also solves the problem of having different addresses for differen
 ### The smart contract
 
 ```solidity
-pragma solidity 0.4.20;
+pragma solidity 0.4.24;
 
 interface ERC820ImplementerInterface {
     /// @notice Contracts that implement an interferce in behalf of another contract must return true
@@ -57,17 +57,10 @@ contract ERC820Registry {
     bytes4 constant ERC165ID = 0x01ffc9a7;
     bytes32 constant ERC820_ACCEPT_MAGIC = keccak256("ERC820_ACCEPT_MAGIC");
 
-
     mapping (address => mapping(bytes32 => address)) interfaces;
     mapping (address => address) managers;
     mapping (address => mapping(bytes4 => bool)) erc165Cache;
 
-    modifier canManage(address addr) {
-        require(getManager(addr) == msg.sender);
-        _;
-    }
-
-
     event InterfaceImplementerSet(address indexed addr, bytes32 indexed interfaceHash, address indexed implementer);
     event ManagerChanged(address indexed addr, address indexed newManager);
 
@@ -89,21 +82,25 @@ contract ERC820Registry {
 
     /// @notice Sets an external `manager` that will be able to call `setInterfaceImplementer()`
     ///  on behalf of the address.
-    /// @param addr Address that you are defining the manager for.
+    /// @param _addr Address that you are defining the manager for. (0x0 if is msg.sender)
     /// @param newManager The address of the manager for the `addr` that will replace
     ///  the old one.  Set to 0x0 if you want to remove the manager.
-    function setManager(address addr, address newManager) public canManage(addr) {
+    function setManager(address _addr, address newManager) public {
+        address addr = _addr == 0 ? msg.sender : _addr;
+        require(getManager(addr) == msg.sender);
         managers[addr] = newManager == addr ? 0 : newManager;
         ManagerChanged(addr, newManager);
     }
 
     /// @notice Query if an address implements an interface and thru which contract
-    /// @param addr Address that is being queried for the implementation of an interface
+    /// @param _addr Address that is being queried for the implementation of an interface
+    ///  (if _addr == 0 them `msg.sender` is assumed)
     /// @param iHash SHA3 of the name of the interface as a string
     ///  Example `web3.utils.sha3('ERC777Token`')`
     /// @return The address of the contract that implements a specific interface
     ///  or 0x0 if `addr` does not implement this interface
-    function getInterfaceImplementer(address addr, bytes32 iHash) constant public returns (address) {
+    function getInterfaceImplementer(address _addr, bytes32 iHash) constant public returns (address) {
+        address addr = _addr == 0 ? msg.sender : _addr;
         if (isERC165Interface(iHash)) {
             bytes4 i165Hash = bytes4(iHash);
             return erc165InterfaceSupported(addr, i165Hash) ? addr : 0;
@@ -112,11 +109,16 @@ contract ERC820Registry {
     }
 
     /// @notice Sets the contract that will handle a specific interface; only
-    ///  the address itself or a `manager` defined for that address can set it
-    /// @param addr Address that you want to define the interface for
+    ///  a `manager` defined for that address can set it.
+    ///  ( Each address is the manager for itself until a new manager is defined)
+    /// @param _addr Address that you want to define the interface for
+    ///  (if _addr == 0 them `msg.sender` is assumed)
     /// @param iHash SHA3 of the name of the interface as a string
     ///  For example `web3.utils.sha3('Ierc777')` for the Ierc777
-    function setInterfaceImplementer(address addr, bytes32 iHash, address implementer) public canManage(addr)  {
+    function setInterfaceImplementer(address _addr, bytes32 iHash, address implementer) public  {
+        address addr = _addr == 0 ? msg.sender : _addr;
+        require(getManager(addr) == msg.sender);
+
         require(!isERC165Interface(iHash));
         if ((implementer != 0) && (implementer!=msg.sender)) {
             require(ERC820ImplementerInterface(implementer).canImplementInterfaceForAddress(addr, iHash)
@@ -192,7 +194,7 @@ contract ERC820Registry {
 ### Raw transaction for deploying the smart contract on any chain
 
 ```
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
 ```
 
 You can see the string of `a`s at the end of the transaction. This is the `s` of the signature, meaning that its a deterministic by hand forced signature.
@@ -222,15 +224,15 @@ This operation can be done in any chain, guaranteed that the contract address is
 ### Special registry deployment account
 
 ```
-0x91c2b265ece9442ed28e3c4283652b1894dcdabb
+0xe515e6d0e6b09a60e3cb50c6a8d51d3009ad18af
 ```
 
 This account is generated by reverse engineering it from it's signature for the transaction, in this way no one knows the private key, but it is known that it's the valid signer of the deployment transaction.
 
 ### Deployed contract
 
 ```
-0x991a1bcb077599290d7305493c9a630c20f8b798
+0xbe78655dff872d22b95ae366fb3477d977328ade
 ```
 
 The contract will have this address for every chain it is deployed to.