Contracts maintaince

contracts/common/Controlled.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.23;
+pragma solidity ^0.4.24;
 
 contract Controlled {
     /// @notice The address of the controller is the only address that can call

contracts/common/MessageSigned.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.24;
 
 /** 
  * @notice Uses ethereum signed messages
@@ -18,8 +18,8 @@ contract MessageSigned {
         bytes32 _signHash, 
         bytes _messageSignature
     )
-        pure
         internal
+        pure
         returns(address) 
     {
         uint8 v;

contracts/common/Owned.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.23;
+pragma solidity ^0.4.24;
 
 /// @dev `Owned` is a base level contract that assigns an `owner` that can be
 ///  later changed

contracts/common/SafeMath.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.23;
+pragma solidity ^0.4.24;
 
 /**
  * Math operations with safety checks

contracts/ens/ENS.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.24;
 
 interface ENS {
 

contracts/ens/ENSRegistry.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.18;
+pragma solidity ^0.4.24;
 
 import "./ENS.sol";
 
@@ -44,7 +44,7 @@ contract ENSRegistry is ENS {
      * @param owner The address of the new owner.
      */
     function setSubnodeOwner(bytes32 node, bytes32 label, address owner) public only_owner(node) {
-        bytes32 subnode = keccak256(node, label);
+        bytes32 subnode = keccak256(abi.encodePacked(node, label));
         emit NewOwner(node, label, owner);
         records[subnode].owner = owner;
     }

contracts/ens/PublicResolver.sol

@@ -1,6 +1,6 @@
-pragma solidity ^0.4.18;
+pragma solidity ^0.4.24;
 
-import './ENS.sol';
+import "./ENS.sol";
 
 /**
  * A simple resolver anyone can use; only allows the owner of a node to set its
@@ -53,7 +53,7 @@ contract PublicResolver {
      * Constructor.
      * @param ensAddr The ENS registrar contract.
      */
-    function PublicResolver(ENS ensAddr) public {
+    constructor(ENS ensAddr) public {
         ens = ensAddr;
     }
 
@@ -65,7 +65,7 @@ contract PublicResolver {
      */
     function setAddr(bytes32 node, address addr) public only_owner(node) {
         records[node].addr = addr;
-        AddrChanged(node, addr);
+        emit AddrChanged(node, addr);
     }
 
     /**
@@ -78,7 +78,7 @@ contract PublicResolver {
      */
     function setContent(bytes32 node, bytes32 hash) public only_owner(node) {
         records[node].content = hash;
-        ContentChanged(node, hash);
+        emit ContentChanged(node, hash);
     }
 
     /**
@@ -89,7 +89,7 @@ contract PublicResolver {
      */
     function setMultihash(bytes32 node, bytes hash) public only_owner(node) {
         records[node].multihash = hash;
-        MultihashChanged(node, hash);
+        emit MultihashChanged(node, hash);
     }
     
     /**
@@ -100,7 +100,7 @@ contract PublicResolver {
      */
     function setName(bytes32 node, string name) public only_owner(node) {
         records[node].name = name;
-        NameChanged(node, name);
+        emit NameChanged(node, name);
     }
 
     /**
@@ -116,7 +116,7 @@ contract PublicResolver {
         require(((contentType - 1) & contentType) == 0);
         
         records[node].abis[contentType] = data;
-        ABIChanged(node, contentType);
+        emit ABIChanged(node, contentType);
     }
     
     /**
@@ -127,7 +127,7 @@ contract PublicResolver {
      */
     function setPubkey(bytes32 node, bytes32 x, bytes32 y) public only_owner(node) {
         records[node].pubkey = PublicKey(x, y);
-        PubkeyChanged(node, x, y);
+        emit PubkeyChanged(node, x, y);
     }
 
     /**
@@ -139,7 +139,7 @@ contract PublicResolver {
      */
     function setText(bytes32 node, string key, string value) public only_owner(node) {
         records[node].text[key] = value;
-        TextChanged(node, key, key);
+        emit TextChanged(node, key, key);
     }
 
     /**

contracts/ens/ResolverInterface.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.18;
+pragma solidity ^0.4.24;
 
 contract ResolverInterface {
     function PublicResolver(address ensAddr) public;

contracts/token/ApproveAndCallFallBack.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.11;
+pragma solidity ^0.4.24;
 
 contract ApproveAndCallFallBack {
     function receiveApproval(address from, uint256 _amount, address _token, bytes _data) public;

contracts/token/ERC20Receiver.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.23;
+pragma solidity ^0.4.24;
 
 import "./ERC20Token.sol";
 

contracts/token/ERC20Token.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.23;
+pragma solidity ^0.4.24;
 
 // Abstract contract for the full ERC 20 Token standard
 // https://github.com/ethereum/EIPs/issues/20