Support gas estimation from Smart Wallet client, decouple tx receipt in contract.Write

Author: 0xFirekeeper

Assets/Thirdweb/Core/Scripts/AccountAbstraction/Core/SmartWallet.cs

@@ -152,6 +152,14 @@ internal async Task<RpcResponseMessage> Request(RpcRequestMessage requestMessage
                 var chainId = await PersonalWeb3.Eth.ChainId.SendRequestAsync();
                 return new RpcResponseMessage(requestMessage.Id, chainId.HexValue);
             }
+            else if (requestMessage.Method == "eth_estimateGas")
+            {
+                var web3 = Utils.GetWeb3();
+                var parameters = JsonConvert.DeserializeObject<object[]>(JsonConvert.SerializeObject(requestMessage.RawParameters));
+                var txInput = JsonConvert.DeserializeObject<TransactionInput>(JsonConvert.SerializeObject(parameters[0]));
+                var result = await web3.Eth.Transactions.EstimateGas.SendRequestAsync(txInput);
+                return new RpcResponseMessage(requestMessage.Id, result.HexValue);
+            }
             else
             {
                 throw new NotImplementedException("Method not supported: " + requestMessage.Method);

Assets/Thirdweb/Core/Scripts/Contract.cs

@@ -196,7 +196,7 @@ public async Task<TransactionResult> Write(string functionName, TransactionReque
                 if (this.abi == null)
                     throw new UnityException("You must pass an ABI for native platform custom calls");
 
-                var contract = Utils.GetWeb3().Eth.GetContract(this.abi, this.address);
+                var contract = ThirdwebManager.Instance.SDK.session.Web3.Eth.GetContract(this.abi, this.address);
 
                 var function = contract.GetFunction(functionName);
 
@@ -209,15 +209,14 @@ public async Task<TransactionResult> Write(string functionName, TransactionReque
 
                 var gasPrice = transactionOverrides?.gasPrice != null ? new HexBigInteger(BigInteger.Parse(transactionOverrides?.gasPrice)) : null;
 
-                var receipt = await function.SendTransactionAndWaitForReceiptAsync(
+                var hash = await function.SendTransactionAsync(
                     from: transactionOverrides?.from ?? await ThirdwebManager.Instance.SDK.wallet.GetAddress(),
                     gas: gas,
                     gasPrice: gasPrice,
                     value: value,
-                    receiptRequestCancellationToken: null,
                     args
                 );
-                return receipt.ToTransactionResult();
+                return await Transaction.WaitForTransactionResult(hash);
             }
         }