diff --git a/CHANGELOG.md b/CHANGELOG.md
index 21dadaa..6e2b41e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
+## 0.1.8
+
+* Fix incorrect useroperation receipt map key
+* Fix safeSingleton type incosistency in create account
+
+## 0.1.7
+
+* Add surpport for user defined safe singleton
+* Add transaction receipt to user operation receipt
+
 ## 0.1.6
 
 * Remove repetated function call in safe plugin
diff --git a/lib/src/4337/chains.dart b/lib/src/4337/chains.dart
index bb95f38..baf1425 100644
--- a/lib/src/4337/chains.dart
+++ b/lib/src/4337/chains.dart
@@ -248,3 +248,18 @@ class Safe4337ModuleAddress {
     }
   }
 }
+
+class SafeSingletonAddress {
+  static SafeSingletonAddress l1 =
+      SafeSingletonAddress(Constants.safeSingletonAddress);
+
+  static SafeSingletonAddress l2 =
+      SafeSingletonAddress(Constants.safeL2SingletonAddress);
+
+  static SafeSingletonAddress custom(EthereumAddress address) =>
+      SafeSingletonAddress(address);
+
+  final EthereumAddress address;
+
+  SafeSingletonAddress(this.address);
+}
diff --git a/lib/src/4337/factory.dart b/lib/src/4337/factory.dart
index 2a7c135..a9ffb29 100644
--- a/lib/src/4337/factory.dart
+++ b/lib/src/4337/factory.dart
@@ -46,7 +46,7 @@ class SmartWalletFactory implements SmartWalletFactoryBase {
   @override
   Future<SmartWallet> createSafeAccountWithPasskey(PassKeyPair keyPair,
       Uint256 salt, EthereumAddress safeWebauthnSharedSigner,
-      [EthereumAddress? p256Verifier]) {
+      [EthereumAddress? p256Verifier, SafeSingletonAddress? singleton]) {
     final module = Safe4337ModuleAddress.fromVersion(_chain.entrypoint.version);
     final verifier = p256Verifier ?? Constants.p256VerifierAddress;
 
@@ -70,15 +70,16 @@ class SmartWalletFactory implements SmartWalletFactoryBase {
     }
 
     return _createSafeAccount(
-        salt, safeWebauthnSharedSigner, module, encodeWebauthnSetup);
+        salt, safeWebauthnSharedSigner, module, encodeWebauthnSetup, singleton);
   }
 
   @override
-  Future<SmartWallet> createSafeAccount(Uint256 salt) {
+  Future<SmartWallet> createSafeAccount(Uint256 salt,
+      [SafeSingletonAddress? singleton]) {
     final signer = EthereumAddress.fromHex(_signer.getAddress());
     final module = Safe4337ModuleAddress.fromVersion(_chain.entrypoint.version);
 
-    return _createSafeAccount(salt, signer, module);
+    return _createSafeAccount(salt, signer, module, null, singleton);
   }
 
   @override
@@ -114,10 +115,11 @@ class SmartWalletFactory implements SmartWalletFactoryBase {
 
   Future<SmartWallet> _createSafeAccount(
       Uint256 salt, EthereumAddress signer, Safe4337ModuleAddress module,
-      [Uint8List Function(Uint8List Function())? setup]) async {
-    final singleton = _chain.chainId == 1
-        ? Constants.safeSingletonAddress
-        : Constants.safeL2SingletonAddress;
+      [Uint8List Function(Uint8List Function())? setup,
+      SafeSingletonAddress? singleton]) async {
+    singleton = _chain.chainId == 1
+        ? SafeSingletonAddress.l1
+        : singleton ?? SafeSingletonAddress.l2;
 
     // Get the initializer data for the Safe account
     final initializer =
@@ -128,13 +130,13 @@ class SmartWalletFactory implements SmartWalletFactoryBase {
 
     // Predict the address of the Safe account
     final address = _safeProxyFactory.getPredictedSafe(
-        initializer, salt, creation, singleton);
+        initializer, salt, creation, singleton.address);
 
     // Encode the call data for the `createProxyWithNonce` function
     // This function is used to create the Safe account with the given initializer data and salt
     final initCallData = _safeProxyFactory.self
         .function("createProxyWithNonce")
-        .encodeCall([singleton, initializer, salt.value]);
+        .encodeCall([singleton.address, initializer, salt.value]);
 
     // Generate the initialization code by combining the account factory address and the encoded call data
     final initCode = _getInitCode(initCallData);
diff --git a/lib/src/4337/userop.dart b/lib/src/4337/userop.dart
index e4a2502..b9ebc23 100644
--- a/lib/src/4337/userop.dart
+++ b/lib/src/4337/userop.dart
@@ -341,19 +341,20 @@ class UserOperationReceipt {
   final bool success;
   String? reason;
   final List logs;
+  final TransactionReceipt txReceipt;
 
   UserOperationReceipt(
-    this.userOpHash,
-    this.entrypoint,
-    this.sender,
-    this.nonce,
-    this.paymaster,
-    this.actualGasCost,
-    this.actualGasUsed,
-    this.success,
-    this.reason,
-    this.logs,
-  );
+      this.userOpHash,
+      this.entrypoint,
+      this.sender,
+      this.nonce,
+      this.paymaster,
+      this.actualGasCost,
+      this.actualGasUsed,
+      this.success,
+      this.reason,
+      this.logs,
+      this.txReceipt);
 
   factory UserOperationReceipt.fromMap(Map<String, dynamic> map) {
     return UserOperationReceipt(
@@ -367,6 +368,7 @@ class UserOperationReceipt {
       map['success'],
       map['reason'],
       List.castFrom(map['logs']),
+      TransactionReceipt.fromMap(map['receipt']),
     );
   }
 }
@@ -413,3 +415,53 @@ class UserOperationResponse {
         "can't find useroperation with hash $userOpHash", timeout);
   }
 }
+
+class TransactionReceipt {
+  final String transactionHash;
+  final String transactionIndex;
+  final String blockHash;
+  final String blockNumber;
+  final String from;
+  final String to;
+  final String cumulativeGasUsed;
+  final String gasUsed;
+  final String? contractAddress;
+  final List logs;
+  final String? logsBloom;
+  final String status;
+  final String effectiveGasPrice;
+
+  TransactionReceipt(
+    this.transactionHash,
+    this.transactionIndex,
+    this.blockHash,
+    this.blockNumber,
+    this.from,
+    this.to,
+    this.cumulativeGasUsed,
+    this.gasUsed,
+    this.contractAddress,
+    this.logs,
+    this.logsBloom,
+    this.status,
+    this.effectiveGasPrice,
+  );
+
+  factory TransactionReceipt.fromMap(Map<String, dynamic> map) {
+    return TransactionReceipt(
+      map['transactionHash'],
+      map['transactionIndex'],
+      map['blockHash'],
+      map['blockNumber'],
+      map['from'],
+      map['to'],
+      map['cumulativeGasUsed'],
+      map['gasUsed'],
+      map['contractAddress'],
+      List.castFrom(map['logs']),
+      map['logsBloom'],
+      map['status'],
+      map['effectiveGasPrice'],
+    );
+  }
+}
diff --git a/pubspec.yaml b/pubspec.yaml
index 3a89b36..30951ec 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: variance_dart
 description: An Account Abstraction (4337) Development kit, for quickly building mobile web3 apps and smart wallets.
-version: 0.1.6
+version: 0.1.8
 documentation: https://docs.variance.space
 homepage: https://variance.space
 repository: https://github.com/vaariance/variance-dart