fix: update stake transaction example

witnet · Dec 12, 2023 · a2579f5 · a2579f5
1 parent 2e8e6a0
commit a2579f5
Showing 1 changed file with 23 additions and 8 deletions.
diff --git a/example/stake_transaction_example.dart b/example/stake_transaction_example.dart
@@ -1,39 +1,54 @@
 import 'package:witnet/node.dart';
 import 'package:witnet/schema.dart';
 import 'package:witnet/src/constants.dart';
+import 'package:witnet/src/utils/transformations/transformations.dart';
 import 'package:witnet/witnet.dart';
 
 var outputPointer = OutputPointer.fromString(
     '0000000000000000000000000000000000000000000000000000000000000000:0');
 
 void main() async {
   /// connect to local node rpc
-  NodeClient nodeClient = NodeClient(address: "127.0.0.1", port: 21338);
+  // NodeClient nodeClient = NodeClient(address: "127.0.0.1", port: 21338);
 
+  // String mnemonic = "abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about";
   /// load node xprv for the default mnemonic
-  /// "abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about"
-  Xprv xprv = Xprv.fromXprv(
+  Xprv masterNode = Xprv.fromXprv(
       "xprv1qpujxsyd4hfu0dtwa524vac84e09mjsgnh5h9crl8wrqg58z5wmsuqqcxlqmar3fjhkprndzkpnp2xlze76g4hu7g7c4r4r2m2e6y8xlvu566tn6");
 
+  Xprv withdrawer =
+      masterNode
+          / KEYPATH_PURPOSE
+          / KEYPATH_COIN_TYPE
+          / KEYPATH_ACCOUNT
+          / EXTERNAL_KEYCHAIN
+          / 0;
+
+  /// The 20 byte Public Key Hash of the withdrawer
+  String pkh = bytesToHex(withdrawer.privateKey.publicKey.publicKeyHash);
+  /// The authorization by the node
+  KeyedSignature authorization = signHash(pkh, masterNode.privateKey);
+
   /// build stake transaction body
   StakeBody body = StakeBody(
     inputs: [
       Input(outputPointer: outputPointer),
     ],
     output: StakeOutput(
       value: MINIMUM_STAKEABLE_AMOUNT_WITS,
-      authorization: KeyedSignature(),
+      authorization: authorization,
     ),
   );
 
   /// build and sign stake transaction
   StakeTransaction stake = StakeTransaction(
-      body: body, signatures: [signHash(body.transactionId, xprv.privateKey)]);
+      body: body, signatures: [signHash(body.transactionId, masterNode.privateKey)]);
 
-  /// send stake transaction
-  var response = await nodeClient.inventory(stake.jsonMap());
+  /// The Stake Transaction ID
+  print(stake.transactionID);
 
-  print(response);
+  /// send stake transaction
+  /// var response = await nodeClient.inventory(stake.jsonMap());
 }
 
 /// Sign Hash