exonum · aleksuss · Jun 11, 2019 · May 27, 2019 · May 30, 2019 · Jun 3, 2019
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -111,6 +111,19 @@ The project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html)
   - **bytes** - non-null bytes of the given `ProofPath`, i.e. the first
     `(bits_len + 7) / 8` bytes.
 
+### New features
+
+#### exonum
+
+- New endpoint: `v1/transactions/subscribe`, which subscribe to new transaction events.
+  This endpoint accept optional parameters: `service_id` and `message_id`
+  (`message_id` as in derive macro `TransactionSet`). (#1335)
+
+- New endpoint: `v1/ws`, which open websocket connection and allow to set multiple
+  subscription (for blocks and transaction, filtered by service and transaction id)
+  and send transactions (in hex, like in explorer) to blockchain
+  (examples can be found in related pull request). (#1335)
+
 ### Bug Fixes
 
 #### exonum-testkit

diff --git a/examples/cryptocurrency-advanced/frontend/.babelrc b/examples/cryptocurrency-advanced/frontend/.babelrc
@@ -1,5 +1,5 @@
 {
   "presets": [
-    "env"
+    "@babel/preset-env"
   ]
 }
diff --git a/examples/cryptocurrency-advanced/frontend/package-lock.json b/examples/cryptocurrency-advanced/frontend/package-lock.json
diff --git a/examples/cryptocurrency-advanced/frontend/package.json b/examples/cryptocurrency-advanced/frontend/package.json
@@ -20,7 +20,7 @@
     ]
   },
   "dependencies": {
-    "axios": "^0.18.0",
+    "axios": "^0.19.0",
     "big-integer": "^1.6.27",
     "bootstrap": "^4.3.1",
     "exonum-client": "^0.16.4",
@@ -37,17 +37,18 @@
     "yargs-parser": "^9.0.2"
   },
   "devDependencies": {
+    "@babel/preset-env": "^7.4.5",
     "axios-mock-adapter": "^1.15.0",
-    "babel-core": "^6.26.3",
+    "babel-core": "^7.0.0-bridge.0",
     "babel-eslint": "^8.2.6",
-    "babel-jest": "^23.6.0",
+    "babel-jest": "^24.8.0",
     "babel-loader": "^7.1.5",
     "babel-polyfill": "^6.26.0",
     "babel-preset-env": "^1.7.0",
-    "css-loader": "^0.28.11",
+    "css-loader": "^2.1.1",
     "eslint": "^4.19.1",
     "eslint-plugin-vue": "^4.4.0",
-    "jest": "^23.6.0",
+    "jest": "^24.8.0",
     "regenerator-runtime": "^0.12.1",
     "vue-loader": "^15.4.2",
     "vue-template-compiler": "^2.5.16",

diff --git a/examples/cryptocurrency-advanced/frontend/tests/blockchain.test.js b/examples/cryptocurrency-advanced/frontend/tests/blockchain.test.js
@@ -4,6 +4,7 @@ import MockAdapter from 'axios-mock-adapter'
 import * as Blockchain from '../src/plugins/blockchain.js'
 import actual from './data/actual.json'
 import proof from './data/proof.json'
+import 'babel-polyfill';
 
 const mock = new MockAdapter(axios)
 const bigIntRegex = /[0-9]+/i;

diff --git a/examples/timestamping/frontend/.babelrc b/examples/timestamping/frontend/.babelrc
@@ -1,5 +1,5 @@
 {
   "presets": [
-    "env"
+    "@babel/preset-env"
   ]
 }