add fee meta xdr

CHANGELOG.md

@@ -1,3 +1,9 @@
+## [1.5.1] - 30.Jan.2023.
+- improve submit transaction response
+- add fee meta xdr
+- improve tx result xdr
+- improve and bugfix tx result meta
+
 ## [1.5.0] - 22.Jan.2023.
 - add soroban support
 

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: ^1.5.0
+  stellar_flutter_sdk: ^1.5.1
 ```
 2. Install it (command line or IDE):
 ```

lib/src/responses/submit_transaction_response.dart

@@ -7,24 +7,32 @@ import 'dart:convert';
 import '../xdr/xdr_data_io.dart';
 import '../xdr/xdr_operation.dart';
 import '../xdr/xdr_transaction.dart';
+import '../xdr/xdr_ledger.dart';
 import '../util.dart';
 
 /// Represents the horizon server response after submitting transaction.
 class SubmitTransactionResponse extends Response {
   String? hash;
   int? ledger;
-  String? strEnvelopeXdr;
-  String? strResultXdr;
-  String? strMetaXdr;
+  String? _strEnvelopeXdr;
+  String? _strResultXdr;
+  String? _strMetaXdr;
+  String? _strFeeMetaXdr;
   SubmitTransactionResponseExtras? extras;
 
-  SubmitTransactionResponse(this.extras, this.ledger, this.hash,
-      this.strEnvelopeXdr, this.strResultXdr, this.strMetaXdr);
+  SubmitTransactionResponse(
+      this.extras,
+      this.ledger,
+      this.hash,
+      this._strEnvelopeXdr,
+      this._strResultXdr,
+      this._strMetaXdr,
+      this._strFeeMetaXdr);
 
   bool get success {
-    if (strResultXdr != null) {
+    if (_strResultXdr != null) {
       XdrTransactionResult result =
-          XdrTransactionResult.fromBase64EncodedXdrString(strResultXdr!);
+          XdrTransactionResult.fromBase64EncodedXdrString(_strResultXdr!);
       if (result.result.discriminant == XdrTransactionResultCode.txSUCCESS) {
         return true;
       } else if (result.result.discriminant ==
@@ -43,7 +51,7 @@ class SubmitTransactionResponse extends Response {
 
   String? get envelopeXdr {
     if (this.success) {
-      return this.strEnvelopeXdr;
+      return this._strEnvelopeXdr;
     } else {
       if (this.extras != null) {
         return this.extras!.envelopeXdr;
@@ -54,7 +62,7 @@ class SubmitTransactionResponse extends Response {
 
   String? get resultXdr {
     if (this.success) {
-      return this.strResultXdr;
+      return this._strResultXdr;
     } else {
       if (this.extras != null) {
         return this.extras!.resultXdr;
@@ -65,7 +73,7 @@ class SubmitTransactionResponse extends Response {
 
   String? get resultMetaXdr {
     if (this.success) {
-      return this.strMetaXdr;
+      return this._strMetaXdr;
     } else {
       if (this.extras != null) {
         return this.extras!.strMetaXdr;
@@ -74,23 +82,47 @@ class SubmitTransactionResponse extends Response {
     }
   }
 
-  XdrTransactionResult? getTransactionResultXdr() {
-    XdrDataInputStream xdrInputStream =
-        XdrDataInputStream(base64Decode(this.resultXdr!));
+  String? get feeMetaXdr {
+    if (this.success) {
+      return this._strFeeMetaXdr;
+    } else {
+      if (this.extras != null) {
+        return this.extras!.strFeeMetaXdr;
+      }
+      return null;
+    }
+  }
 
+  XdrTransactionResult? getTransactionResultXdr() {
+    if (this.resultXdr == null) {
+      return null;
+    }
     try {
-      return XdrTransactionResult.decode(xdrInputStream);
+      return XdrTransactionResult.fromBase64EncodedXdrString(this.resultXdr!);
     } catch (e) {
       return null;
     }
   }
 
   XdrTransactionMeta? getTransactionMetaResultXdr() {
-    XdrDataInputStream xdrInputStream =
-        XdrDataInputStream(base64Decode(this.resultMetaXdr!));
+    if (this.resultMetaXdr == null) {
+      return null;
+    }
 
     try {
-      return XdrTransactionMeta.decode(xdrInputStream);
+      return XdrTransactionMeta.fromBase64EncodedXdrString(this.resultMetaXdr!);
+    } catch (e) {
+      return null;
+    }
+  }
+
+  XdrLedgerEntryChanges? getFeeMetaXdr() {
+    if (this.feeMetaXdr == null) {
+      return null;
+    }
+
+    try {
+      return XdrLedgerEntryChanges.fromBase64EncodedXdrString(this.feeMetaXdr!);
     } catch (e) {
       return null;
     }
@@ -193,15 +225,15 @@ class SubmitTransactionResponse extends Response {
 
   factory SubmitTransactionResponse.fromJson(Map<String, dynamic> json) =>
       SubmitTransactionResponse(
-        json['extras'] == null
-            ? null
-            : SubmitTransactionResponseExtras.fromJson(json['extras']),
-        convertInt(json['ledger']),
-        json['hash'],
-        json['envelope_xdr'],
-        json['result_xdr'],
-        json['result_meta_xdr'],
-      )
+          json['extras'] == null
+              ? null
+              : SubmitTransactionResponseExtras.fromJson(json['extras']),
+          convertInt(json['ledger']),
+          json['hash'],
+          json['envelope_xdr'],
+          json['result_xdr'],
+          json['result_meta_xdr'],
+          json['fee_meta_xdr'])
         ..rateLimitLimit = convertInt(json['rateLimitLimit'])
         ..rateLimitRemaining = convertInt(json['rateLimitRemaining'])
         ..rateLimitReset = convertInt(json['rateLimitReset']);
@@ -228,16 +260,18 @@ class SubmitTransactionResponseExtras {
   String envelopeXdr;
   String resultXdr;
   String? strMetaXdr;
+  String? strFeeMetaXdr;
   ExtrasResultCodes? resultCodes;
 
-  SubmitTransactionResponseExtras(
-      this.envelopeXdr, this.resultXdr, this.strMetaXdr, this.resultCodes);
+  SubmitTransactionResponseExtras(this.envelopeXdr, this.resultXdr,
+      this.strMetaXdr, this.strFeeMetaXdr, this.resultCodes);
 
   factory SubmitTransactionResponseExtras.fromJson(Map<String, dynamic> json) =>
       SubmitTransactionResponseExtras(
           json['envelope_xdr'],
           json['result_xdr'],
           json['result_meta_xdr'],
+          json['fee_meta_xdr'],
           json['result_codes'] == null
               ? null
               : ExtrasResultCodes.fromJson(json['result_codes']));

lib/src/xdr/xdr_ledger.dart

@@ -1599,6 +1599,17 @@ class XdrLedgerEntryChanges {
     }
     return XdrLedgerEntryChanges(ledgerEntryChanges);
   }
+
+  static XdrLedgerEntryChanges fromBase64EncodedXdrString(String xdr) {
+    Uint8List bytes = base64Decode(xdr);
+    return XdrLedgerEntryChanges.decode(XdrDataInputStream(bytes));
+  }
+
+  String toBase64EncodedXdrString() {
+    XdrDataOutputStream xdrOutputStream = XdrDataOutputStream();
+    XdrLedgerEntryChanges.encode(xdrOutputStream, this);
+    return base64Encode(xdrOutputStream.bytes);
+  }
 }
 
 class XdrLedgerHeaderHistoryEntry {

pubspec.yaml

@@ -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: 1.5.0
+version: 1.5.1
 homepage: https://github.com/Soneso/stellar_flutter_sdk
 
 environment:

test/account_test.dart

@@ -9,13 +9,6 @@ import 'tests_util.dart';
 void main() {
   StellarSDK sdk = StellarSDK.TESTNET;
 
-  test('test meta', () async{
-    String xdrStr = 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-    XdrTransactionMeta meta = XdrTransactionMeta.fromBase64EncodedXdrString(xdrStr);
-    print(meta.toBase64EncodedXdrString());
-    assert(xdrStr == meta.toBase64EncodedXdrString());
-  });
-
   test('test set account options', () async {
     KeyPair keyPairA = KeyPair.random();
     String accountAId = keyPairA.accountId;

test/tests_util.dart

@@ -2,9 +2,11 @@ import 'package:stellar_flutter_sdk/stellar_flutter_sdk.dart';
 
 class TestUtils {
   static void  resultDeAndEncodingTest(AbstractTransaction transaction, SubmitTransactionResponse response) {
-    String metaXdrStr = response.resultMetaXdr!;
-    XdrTransactionMeta meta = XdrTransactionMeta.fromBase64EncodedXdrString(metaXdrStr);
-    assert(metaXdrStr == meta.toBase64EncodedXdrString());
+    String? metaXdrStr = response.resultMetaXdr;
+    if (metaXdrStr != null) {
+      XdrTransactionMeta meta = response.getTransactionMetaResultXdr()!;
+      assert(metaXdrStr == meta.toBase64EncodedXdrString());
+    }
 
     String envelopeXdrStr = response.envelopeXdr!;
     XdrTransactionEnvelope envelope = XdrTransactionEnvelope.fromEnvelopeXdrString(envelopeXdrStr);
@@ -13,5 +15,11 @@ class TestUtils {
     String resultXdrStr = response.resultXdr!;
     XdrTransactionResult result = XdrTransactionResult.fromBase64EncodedXdrString(resultXdrStr);
     assert(resultXdrStr == result.toBase64EncodedXdrString());
+
+    String? feeMetaXdrStr = response.feeMetaXdr;
+    if (feeMetaXdrStr != null) {
+      XdrLedgerEntryChanges changes = response.getFeeMetaXdr()!;
+      assert(feeMetaXdrStr == changes.toBase64EncodedXdrString());
+    }
   }
 }