Bump version to 5.0.0 (#422)

.dockerignore

@@ -5,6 +5,7 @@ deploy/node_modules
 .dockerignore
 deploy/.env
 deploy/*.config
+deploy/*.env
 docker-compose.yml
 Dockerfile
 *.log

.gitignore

@@ -9,3 +9,4 @@ coverage
 upgrade/.env*
 deploy/.env
 deploy/*.config
+deploy/*.env

contracts/upgradeable_contracts/VersionableBridge.sol

@@ -2,7 +2,7 @@ pragma solidity 0.4.24;
 
 contract VersionableBridge {
     function getBridgeInterfacesVersion() external pure returns (uint64 major, uint64 minor, uint64 patch) {
-        return (4, 1, 0);
+        return (5, 0, 0);
     }
 
     /* solcov ignore next */

contracts/upgradeable_contracts/arbitrary_message/VersionableAMB.sol

@@ -3,14 +3,20 @@ pragma solidity 0.4.24;
 import "../VersionableBridge.sol";
 
 contract VersionableAMB is VersionableBridge {
-    // message format version as a single 4-bytes number padded to 32-bytes value, included into every outgoing relay request
-    bytes32 internal constant MESSAGE_PACKING_VERSION = 0x00040000 << 224;
+    // message format version as a single 4-bytes number padded to 32-bytes
+    // value, included into every outgoing relay request
+    //
+    // the message version should be updated every time when
+    // - new field appears
+    // - some field removed
+    // - fields order is changed
+    bytes32 internal constant MESSAGE_PACKING_VERSION = 0x00050000 << 224;
 
     /**
      * Returns currently used bridge version
      * @return (major, minor, patch) version triple
      */
     function getBridgeInterfacesVersion() external pure returns (uint64 major, uint64 minor, uint64 patch) {
-        return (4, 0, 0);
+        return (5, 0, 0);
     }
 }

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "token-bridge-contracts",
-  "version": "5.0.0-rc0",
+  "version": "5.0.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "token-bridge-contracts",
-  "version": "5.0.0-rc0",
+  "version": "5.0.0",
   "description": "Bridge",
   "main": "index.js",
   "scripts": {