fix example code in packages/hw-app-str/README.md

packages/hw-app-str/README.md

@@ -6,9 +6,12 @@
 
 
 ```js
+// when using "@ledgerhq/hw-transport-node-hid" library you need to go to
+// Settings -> Browser support in ledger stellar app and set this setting to 'No'
 import Transport from "@ledgerhq/hw-transport-node-hid";
 // import Transport from "@ledgerhq/hw-transport-u2f"; // for browser
 import Str from "@ledgerhq/hw-app-str";
+import StellarSdk from "stellar-sdk";
 
 const getStrAppVersion = async () => {
     const transport = await Transport.create();
@@ -24,23 +27,33 @@ const getStrPublicKey = async () => {
   const result = await str.getPublicKey("44'/148'/0'");
   return result.publicKey;
 };
-getStrPublicKey().then(pk => console.log(pk));
-
-const signStrTransaction = async () => {
-  const transaction = ...;
+let publicKey;
+getStrPublicKey().then(pk => {
+    console.log(pk);
+    publicKey = pk;
+});
+
+const signStrTransaction = async (publicKey) => {
+  const transaction = new StellarSdk.TransactionBuilder({accountId: () => publicKey, sequenceNumber: () => '1234', incrementSequenceNumber: () => null})
+    .addOperation(StellarSdk.Operation.createAccount({
+       source: publicKey,
+       destination: 'GBLYVYCCCRYTZTWTWGOMJYKEGQMTH2U3X4R4NUI7CUGIGEJEKYD5S5OJ', // SATIS5GR33FXKM7HVWZ2UQO33GM66TVORZUEF2HPUQ3J7K634CTOAWQ7
+       startingBalance: '11.331',
+    }))
+    .build();
   const transport = await Transport.create();
   const str = new Str(transport);
   const result = await str.signTransaction("44'/148'/0'", transaction.signatureBase());
 
   // add signature to transaction
   const keyPair = StellarSdk.Keypair.fromPublicKey(publicKey);
   const hint = keyPair.signatureHint();
-  const decorated = new StellarSdk.xdr.DecoratedSignature({hint: hint, signature: signature});
+  const decorated = new StellarSdk.xdr.DecoratedSignature({hint: hint, signature: result.signature});
   transaction.signatures.push(decorated);
 
   return transaction;
 }
-signStrTransaction().then(s => console.log(s.toString('hex')));
+signStrTransaction(publicKey).then(transaction => console.log(transaction.toEnvelope().toXDR().toString('base64')));
 ```