Contract Write, Thirdweb Wallet (Accounts: PrivateKey, Embedded, Smart)

Directory.Build.props

@@ -2,7 +2,7 @@
 <Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
     <PropertyGroup>
         <DefaultVersion>0.0.1</DefaultVersion>
-        <DefaultTargetFrameworks>netstandard2.0;netstandard2.1;net6.0;net7.0;</DefaultTargetFrameworks>
+        <DefaultTargetFrameworks>netstandard2.1;net6.0;net7.0;</DefaultTargetFrameworks>
     </PropertyGroup>
     <PropertyGroup Label="C#">
         <LangVersion>latest</LangVersion>

Directory.Packages.props

@@ -13,5 +13,11 @@
         <PackageVersion Include="Nethereum.ABI" Version="4.19.0" />
         <PackageVersion Include="Nethereum.Hex" Version="4.19.0" />
         <PackageVersion Include="Nethereum.Contracts" Version="4.19.0" />
+        <PackageVersion Include="Nethereum.Signer" Version="4.19.0" />
+        <PackageVersion Include="Nethereum.Signer.EIP712" Version="4.19.0" />
+        <PackageVersion Include="Portable.BouncyCastle" Version="1.9.0" />
+        <PackageVersion Include="Amazon.Extensions.CognitoAuthentication" Version="2.5.0" />
+        <PackageVersion Include="AWSSDK.Lambda" Version="3.7.113.2" />
+        <PackageVersion Include="Nethereum.HdWallet" Version="4.14.0" />
     </ItemGroup>
 </Project>

Thirdweb.Tests/ClientTests.cs

@@ -94,7 +94,7 @@ public void NoTimeoutOptions()
     {
         var client = new ThirdwebClient(new ThirdwebClientOptions(secretKey: _secretKey));
         Assert.NotNull(client.FetchTimeoutOptions);
-        Assert.Equal(Constants.DefaultFetchTimeout, client.FetchTimeoutOptions.GetTimeout(TimeoutType.Storage));
-        Assert.Equal(Constants.DefaultFetchTimeout, client.FetchTimeoutOptions.GetTimeout(TimeoutType.Rpc));
+        Assert.Equal(Constants.DEFAULT_FETCH_TIMEOUT, client.FetchTimeoutOptions.GetTimeout(TimeoutType.Storage));
+        Assert.Equal(Constants.DEFAULT_FETCH_TIMEOUT, client.FetchTimeoutOptions.GetTimeout(TimeoutType.Rpc));
     }
 }

Thirdweb/Thirdweb.Client/ITimeoutOptions.cs

@@ -2,6 +2,6 @@
 {
     public interface ITimeoutOptions
     {
-        int GetTimeout(TimeoutType type, int fallback = Constants.DefaultFetchTimeout);
+        int GetTimeout(TimeoutType type, int fallback = Constants.DEFAULT_FETCH_TIMEOUT);
     }
 }

Thirdweb/Thirdweb.Client/TimeoutOptions.cs

@@ -13,7 +13,7 @@ public TimeoutOptions(int? storage = null, int? rpc = null, int? other = null)
             Other = other;
         }
 
-        public int GetTimeout(TimeoutType type, int fallback = Constants.DefaultFetchTimeout)
+        public int GetTimeout(TimeoutType type, int fallback = Constants.DEFAULT_FETCH_TIMEOUT)
         {
             return type switch
             {

Thirdweb/Thirdweb.Contracts/ThirdwebContract.cs

@@ -1,4 +1,6 @@
 using System.Numerics;
+using Nethereum.Hex.HexTypes;
+using Nethereum.RPC.Eth.DTOs;
 
 namespace Thirdweb
 {
@@ -9,24 +11,32 @@ public class ThirdwebContract
         internal BigInteger Chain { get; private set; }
         internal string Abi { get; private set; }
 
-        public ThirdwebContract(ThirdwebContractOptions options)
+        public ThirdwebContract(ThirdwebClient client, string address, BigInteger chain, string abi)
         {
-            if (options.Client == null)
+            if (client == null)
+            {
                 throw new ArgumentException("Client must be provided");
+            }
 
-            if (string.IsNullOrEmpty(options.Address))
+            if (string.IsNullOrEmpty(address))
+            {
                 throw new ArgumentException("Address must be provided");
+            }
 
-            if (options.Chain == 0)
+            if (chain == 0)
+            {
                 throw new ArgumentException("Chain must be provided");
+            }
 
-            if (string.IsNullOrEmpty(options.Abi))
+            if (string.IsNullOrEmpty(abi))
+            {
                 throw new ArgumentException("Abi must be provided");
+            }
 
-            Client = options.Client;
-            Address = options.Address;
-            Chain = options.Chain;
-            Abi = options.Abi;
+            Client = client;
+            Address = address;
+            Chain = chain;
+            Abi = abi;
         }
 
         public static async Task<T> ReadContract<T>(ThirdwebContract contract, string method, params object[] parameters)
@@ -40,5 +50,45 @@ public static async Task<T> ReadContract<T>(ThirdwebContract contract, string me
             var resultData = await rpc.SendRequestAsync<string>("eth_call", new { to = contract.Address, data = data, }, "latest");
             return function.DecodeTypeOutput<T>(resultData);
         }
+
+        public static async Task<string> WriteContract(ThirdwebWallet wallet, ThirdwebContract contract, string method, BigInteger weiValue, params object[] parameters)
+        {
+            var rpc = ThirdwebRPC.GetRpcInstance(contract.Client, contract.Chain);
+
+            var service = new Nethereum.Contracts.Contract(null, contract.Abi, contract.Address);
+            var function = service.GetFunction(method);
+            var data = function.GetData(parameters);
+
+            var transaction = new TransactionInput
+            {
+                From = await wallet.GetAddress(),
+                To = contract.Address,
+                Data = data,
+            };
+
+            // TODO: Implement 1559
+            transaction.Gas = new HexBigInteger(await rpc.SendRequestAsync<string>("eth_estimateGas", transaction));
+            transaction.GasPrice = new HexBigInteger(await rpc.SendRequestAsync<string>("eth_gasPrice"));
+            transaction.Value = new HexBigInteger(weiValue);
+
+            string hash;
+            if (wallet.ActiveAccount.AccountType is ThirdwebAccountType.PrivateKeyAccount)
+            {
+                transaction.Nonce = new HexBigInteger(await rpc.SendRequestAsync<string>("eth_getTransactionCount", wallet.GetAddress(), "latest"));
+                var signedTx = wallet.SignTransaction(transaction, contract.Chain);
+                Console.WriteLine($"Signed transaction: {signedTx}");
+                hash = await rpc.SendRequestAsync<string>("eth_sendRawTransaction", signedTx);
+            }
+            else if (wallet.ActiveAccount.AccountType is ThirdwebAccountType.SmartAccount)
+            {
+                var smartAccount = wallet.ActiveAccount as SmartAccount;
+                hash = await smartAccount.SendTransaction(transaction);
+            }
+            else
+            {
+                throw new NotImplementedException("Account type not supported");
+            }
+            return hash;
+        }
     }
 }

Thirdweb/Thirdweb.RPC/ThirdwebRPC.cs

@@ -1,5 +1,10 @@
-using System.Numerics;
+using System;
+using System.Collections.Generic;
+using System.Net.Http;
+using System.Numerics;
 using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
 using Newtonsoft.Json;
 
 namespace Thirdweb
@@ -75,7 +80,7 @@ static ThirdwebRPC()
             _httpClient.DefaultRequestHeaders.Add("x-sdk-name", "Thirdweb.NET");
             _httpClient.DefaultRequestHeaders.Add("x-sdk-os", System.Runtime.InteropServices.RuntimeInformation.OSDescription);
             _httpClient.DefaultRequestHeaders.Add("x-sdk-platform", "dotnet");
-            _httpClient.DefaultRequestHeaders.Add("x-sdk-version", Constants.Version);
+            _httpClient.DefaultRequestHeaders.Add("x-sdk-version", Constants.VERSION);
         }
 
         private ThirdwebRPC(ThirdwebClient client, BigInteger chainId)
@@ -112,7 +117,7 @@ private void SendBatchNow()
         private async Task SendBatchAsync(List<RpcRequest> batch)
         {
             var batchJson = JsonConvert.SerializeObject(batch);
-            Console.WriteLine($"Sending batch: {batchJson}");
+
             var requestMessage = new HttpRequestMessage(HttpMethod.Post, _rpcUrl) { Content = new StringContent(batchJson, Encoding.UTF8, "application/json") };
             if (!string.IsNullOrEmpty(_clientId))
                 requestMessage.Headers.Add("x-client-id", _clientId);

Thirdweb/Thirdweb.Utils/Constants.cs

@@ -2,7 +2,11 @@
 {
     public static class Constants
     {
-        internal const string Version = "0.0.1";
-        internal const int DefaultFetchTimeout = 60000;
+        internal const string VERSION = "0.0.1";
+        internal const int DEFAULT_FETCH_TIMEOUT = 60000;
+        internal const string DEFAULT_ENTRYPOINT_ADDRESS = "0x5FF137D4b0FDCD49DcA30c7CF57E578a026d2789"; // v0.6
+        internal const string DUMMY_SIG = "0xfffffffffffffffffffffffffffffff0000000000000000000000000000000007aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa1c";
+        internal const string DUMMY_PAYMASTER_AND_DATA_HEX =
+            "0x0101010101010101010101010101010101010101000000000000000000000000000000000000000000000000000001010101010100000000000000000000000000000000000000000000000000000000000000000101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101";
     }
 }

Thirdweb/Thirdweb.Utils/Utils.cs

@@ -11,5 +11,17 @@ public static string ComputeClientIdFromSecretKey(string secretKey)
             var hash = sha256.ComputeHash(Encoding.UTF8.GetBytes(secretKey));
             return BitConverter.ToString(hash).Replace("-", "").ToLower().Substring(0, 32);
         }
+
+        public static string HexConcat(params string[] hexStrings)
+        {
+            var hex = new StringBuilder("0x");
+
+            foreach (var hexStr in hexStrings)
+            {
+                _ = hex.Append(hexStr[2..]);
+            }
+
+            return hex.ToString();
+        }
     }
 }