js-driver updated to latest version

_src/_assets/javascripts/page-getstarted.js

@@ -116,7 +116,7 @@ window.addEventListener('DOMContentLoaded', function domload(event) {
         const messageFail = document.getElementsByClassName('message--fail')[0]
         const transactionLink = document.getElementsByClassName('transaction-link')[0]
 
-        conn.postTransaction(txSigned).then((response) => {
+        conn.postTransactionSync(txSigned).then((response) => {
             waiting.classList.add('hide')
             messageInitial.classList.add('hide')
             responseArea.classList.remove('hide')

_src/getstarted.html

@@ -121,7 +121,7 @@ const tx = driver.Transaction.makeCreateTransaction(
         driver.Transaction.makeEd25519Condition(alice.publicKey))],
     alice.publicKey)
 const txSigned = driver.Transaction.signTransaction(tx, alice.privateKey)
-conn.postTransaction(txSigned)
+conn.postTransactionSync(txSigned)
 ```
 {% endcapture %}{{ nodejs | markdownify }}
                 </div>

package.json

@@ -25,7 +25,7 @@
     "ie >= 10"
   ],
   "dependencies": {
-    "bigchaindb-driver": "3.2.0",
+    "bigchaindb-driver": "^4.0.0",
     "clipboard": "^2.0.0",
     "gumshoe": "github:cferdinandi/gumshoe",
     "is-in-viewport": "^3.0.0",