add nonce for address

Author: christian-rogobete

CHANGELOG.md

@@ -1,3 +1,9 @@
+## [1.5.6] - 22.Jun.2023.
+- fix soroban events request
+- extend soroban server (latest ledger, nonce for address)
+- SEP 0006 improvements
+- extend test cases
+
 ## [1.5.5] - 31.Mai.2023.
 - add support for soroban prev 9
 - improve soroban tests & docs

README.md

@@ -11,7 +11,7 @@ The Soneso open source Stellar SDK for Flutter is build with Dart and provides A
 1. Add the dependency to your pubspec.yaml file:
 ```
 dependencies:
-  stellar_flutter_sdk: ^1.5.5
+  stellar_flutter_sdk: ^1.5.6
 ```
 2. Install it (command line or IDE):
 ```

documentation/sdk_api_doc.zip

@@ -208,13 +208,20 @@ class SorobanServer {
   /// specified by the contractId.
   /// Used for contract auth.
   Future<int> getNonce(String accountId, String contractId) async {
+    Address address = Address.forAccountId(accountId);
+    return getNonceForAddress(address, contractId);
+  }
+
+  /// Helper method to get the nonce for a given address (account or contract)
+  /// for the contract specified by the contractId.
+  /// Used for contract auth.
+  Future<int> getNonceForAddress(Address address, String contractId) async {
     XdrLedgerKey ledgerKey = XdrLedgerKey(XdrLedgerEntryType.CONTRACT_DATA);
     ledgerKey.contractID = XdrHash(Util.hexToBytes(contractId));
-    Address address = Address.forAccountId(accountId);
     XdrSCVal nonceKeyVal = XdrSCVal.forNonceKeyWithAddress(address);
     ledgerKey.contractDataKey = nonceKeyVal;
     GetLedgerEntryResponse response =
-        await getLedgerEntry(ledgerKey.toBase64EncodedXdrString());
+    await getLedgerEntry(ledgerKey.toBase64EncodedXdrString());
     if (!response.isErrorResponse &&
         response.ledgerEntryDataXdr != null &&
         response.ledgerEntryDataXdr!.contractData != null) {

lib/src/soroban/soroban_server.dart

@@ -31,7 +31,7 @@ import 'requests/liquidity_pools_request_builder.dart';
 
 /// Main class of the flutter stellar sdk.
 class StellarSDK {
-  static const versionNumber = "1.5.5";
+  static const versionNumber = "1.5.6";
 
   static final StellarSDK PUBLIC = StellarSDK("https://horizon.stellar.org");
   static final StellarSDK TESTNET = StellarSDK("https://horizon-testnet.stellar.org");

lib/src/stellar_sdk.dart

@@ -1,6 +1,6 @@
 name: stellar_flutter_sdk
 description: A stellar blockchain sdk that query's horizon, build, signs and submits transactions to the stellar network.
-version: 1.5.5
+version: 1.5.6
 homepage: https://github.com/Soneso/stellar_flutter_sdk
 
 environment:

pubspec.yaml

@@ -182,7 +182,7 @@ void main() {
     /// ! get Claimable Balance ID from BID result at claimable_balance_test.dart
     Page<OperationResponse> operationsPage = await sdk.operations
         .forClaimableBalance(
-            "00000000d27ed397b3d3c74e6ced223e26c000029889ac0501f5fae11bf647657a749762")
+            "00000000e883d22acfa2f9a904eb260262d2d53a013fdf618a423d03e4ffa5aca8e1936f")
         .limit(1)
         .order(RequestBuilderOrder.DESC)
         .execute();
@@ -195,7 +195,7 @@ void main() {
     /// ! get Claimable Balance ID from BID result at claimable_balance_test.dart
     Page<TransactionResponse> transactionsPage = await sdk.transactions
         .forClaimableBalance(
-            "00000000d27ed397b3d3c74e6ced223e26c000029889ac0501f5fae11bf647657a749762")
+            "00000000d424d26a793f8af968cdfc01b3254ac634dc6c96da94405e719077a0a18f8ace")
         .limit(1)
         .order(RequestBuilderOrder.DESC)
         .execute();