Managed ZkSync Paymaster

thirdweb-dev · May 29, 2024 · 9c79f7f · 9c79f7f
1 parent fa39694
commit 9c79f7f
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Showing 6 changed files with 174 additions and 55 deletions.
diff --git a/Thirdweb.Console/Program.cs b/Thirdweb.Console/Program.cs
@@ -65,31 +65,43 @@
 }
 
 // Prepare a transaction directly, or with Contract.Prepare
-var tx = await ThirdwebTransaction.Create(
-    client: client,
-    wallet: privateKeyWallet,
-    txInput: new ThirdwebTransactionInput()
+// var tx = await ThirdwebTransaction.Create(
+//     client: client,
+//     wallet: privateKeyWallet,
+//     txInput: new ThirdwebTransactionInput()
+//     {
+//         From = await privateKeyWallet.GetAddress(),
+//         To = await privateKeyWallet.GetAddress(),
+//         Value = new HexBigInteger(BigInteger.Zero),
+//     },
+//     chainId: 300
+// );
+
+// // Set zkSync options
+// tx.SetZkSyncOptions(
+//     new ZkSyncOptions(
+//         // Paymaster contract address
+//         paymaster: "0xbA226d47Cbb2731CBAA67C916c57d68484AA269F",
+//         // IPaymasterFlow interface encoded data
+//         paymasterInput: "0x8c5a344500000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000000"
+//     )
+// );
+
+// // Send as usual, it's now gasless!
+// var txHash = await ThirdwebTransaction.Send(transaction: tx);
+// Console.WriteLine($"Transaction hash: {txHash}");
+
+var zkSmartWallet = await SmartWallet.Create(client: client, personalWallet: privateKeyWallet, chainId: 300, gasless: true);
+var zkSyncSignatureBasedAaTxHash = await zkSmartWallet.SendTransaction(
+    new ThirdwebTransactionInput()
     {
-        From = await privateKeyWallet.GetAddress(),
-        To = await privateKeyWallet.GetAddress(),
+        From = await zkSmartWallet.GetAddress(),
+        To = await zkSmartWallet.GetAddress(),
         Value = new HexBigInteger(BigInteger.Zero),
-    },
-    chainId: 300
+        Data = "0x",
+    }
 );
-
-// Set zkSync options
-tx.SetZkSyncOptions(
-    new ZkSyncOptions(
-        // Paymaster contract address
-        paymaster: "0xbA226d47Cbb2731CBAA67C916c57d68484AA269F",
-        // IPaymasterFlow interface encoded data
-        paymasterInput: "0x8c5a344500000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000000"
-    )
-);
-
-// Send as usual, it's now gasless!
-var txHash = await ThirdwebTransaction.Send(transaction: tx);
-Console.WriteLine($"Transaction hash: {txHash}");
+Console.WriteLine($"Transaction hash: {zkSyncSignatureBasedAaTxHash}");
 
 
 

diff --git a/Thirdweb/Thirdweb.Transactions/ThirdwebTransaction.cs b/Thirdweb/Thirdweb.Transactions/ThirdwebTransaction.cs
@@ -290,7 +290,6 @@ public static async Task<string> Send(ThirdwebTransaction transaction)
                         hash = await rpc.SendRequestAsync<string>("eth_sendRawTransaction", signedTx);
                         break;
                     case ThirdwebAccountType.SmartAccount:
-
                         var smartAccount = transaction._wallet as SmartWallet;
                         hash = await smartAccount.SendTransaction(transaction.Input);
                         break;

diff --git a/Thirdweb/Thirdweb.Utils/Constants.cs b/Thirdweb/Thirdweb.Utils/Constants.cs
@@ -14,5 +14,6 @@ public static class Constants
             "0x0101010101010101010101010101010101010101000000000000000000000000000000000000000000000000000001010101010100000000000000000000000000000000000000000000000000000000000000000101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101";
         internal const string FALLBACK_IPFS_GATEWAY = "https://ipfs.io/ipfs/";
         internal const string PIN_URI = "https://storage.thirdweb.com/ipfs/upload";
+        internal const string ZKSYNC_SIGNATUREBASED_PAYMASTER = "0xE74eA4e1785F74016e0076754B5ca6d8ADC10934";
     }
 }
diff --git a/Thirdweb/Thirdweb.Wallets/SmartWallet/SmartWallet.cs b/Thirdweb/Thirdweb.Wallets/SmartWallet/SmartWallet.cs
diff --git a/Thirdweb/Thirdweb.Wallets/SmartWallet/Thirdweb.AccountAbstraction/AATypes.cs b/Thirdweb/Thirdweb.Wallets/SmartWallet/Thirdweb.AccountAbstraction/AATypes.cs
@@ -91,6 +91,11 @@ public class PMSponsorOperationResponse
         public string paymasterAndData { get; set; }
     }
 
+    public class PMSponsorTransactionResponse
+    {
+        public string paymasterInput { get; set; }
+    }
+
     public class ThirdwebGetUserOperationGasPriceResponse
     {
         public string maxFeePerGas { get; set; }

diff --git a/Thirdweb/Thirdweb.Wallets/SmartWallet/Thirdweb.AccountAbstraction/BundlerClient.cs b/Thirdweb/Thirdweb.Wallets/SmartWallet/Thirdweb.AccountAbstraction/BundlerClient.cs
@@ -55,6 +55,19 @@ public static async Task<PMSponsorOperationResponse> PMSponsorUserOperation(Thir
             }
         }
 
+        public static async Task<PMSponsorTransactionResponse> PMSponsorTransaction(ThirdwebClient client, string paymasterUrl, object requestId, ThirdwebTransactionInput userOp, string entryPoint)
+        {
+            var response = await BundlerRequest(client, paymasterUrl, requestId, "pm_sponsorTransaction", userOp, new EntryPointWrapper() { entryPoint = entryPoint });
+            try
+            {
+                return JsonConvert.DeserializeObject<PMSponsorTransactionResponse>(response.Result.ToString());
+            }
+            catch
+            {
+                return new PMSponsorTransactionResponse() { paymasterInput = response.Result.ToString() };
+            }
+        }
+
         // Request
 
         private static async Task<RpcResponseMessage> BundlerRequest(ThirdwebClient client, string url, object requestId, string method, params object[] args)