代码设置钱包（Tron）多签

经常有人问我多签代码怎么写，官网有很多资料，都是稀里糊涂的没有完整的例子，而且也没有C#的例子，最近刚好有需求就自己动手写了。

代码

//封装
private static async Task<dynamic> AccountPermissionUpdateAsync(string privateKey, string toAddress) {
    var record = TronServiceExtension.GetRecord();
    var transactionClient = record.TronClient?.GetTransaction();
    var account = new TronAccount(privateKey, TronNetwork.MainNet);

    var transactionExtention = await transactionClient?.CreateAccountPermissionUpdateTransactionAsync(account.Address, toAddress)!;

    var transactionSigned = transactionClient.GetTransactionSign(transactionExtention.Transaction, privateKey);
    var returnObj = await transactionClient.BroadcastTransactionAsync(transactionSigned);

    return new { Result = returnObj.Result, Message = returnObj.Message, TransactionId = transactionExtention.Transaction.GetTxid() };
}

//调用
var privateKey = ""; //这里设置需要被多签的私钥
var ownerAddress = ""; //这里设置控制地址

//注意被设置多签的地址，最少需要 100TRX 余额
var result = await AccountPermissionUpdateAsync(privateKey, ownerAddress);
Console.WriteLine(JsonConvert.SerializeObject(result));

Github 源码

https://github.com/jared1106/Tron.Wallet.Net

//接口
Task<TransactionExtention> CreateAccountPermissionUpdateTransactionAsync(string fromAddress, string toAddress);

//实现
public async Task<TransactionExtention> CreateAccountPermissionUpdateTransactionAsync(string fromAddress, string toAddress) {
    var wallet = _walletClient.GetProtocol();

    var accountPermissionUpdateContract = new AccountPermissionUpdateContract {
        OwnerAddress = _walletClient.ParseAddress(fromAddress),
        Owner = new Permission() { PermissionName = "owner", Threshold = 1, Type = Permission.Types.PermissionType.Owner }
    };
    accountPermissionUpdateContract.Owner.Keys.Add(new Key { Address = _walletClient.ParseAddress(toAddress), Weight = 1 });

    var activePermission = new Permission { 
      PermissionName = "active", 
      Threshold = 1, //授权需要的权重数量
      Type = Permission.Types.PermissionType.Active, 
      // 7fff1fc0037e0000000000000000000000000000000000000000000000000000  包含了除更新权限以外的全部权限，Owner 默认都有，不需要设置
      Operations = ByteString.CopyFrom("7fff1fc0037e0000000000000000000000000000000000000000000000000000".HexToByteArray()) 
    };
    var activeKey = new Key { 
      Address = _walletClient.ParseAddress(toAddress),  //授予地址
      Weight = 1 //权重值
    };
    activePermission.Keys.Add(activeKey);

    var permissions = new Google.Protobuf.Collections.RepeatedField<Permission> {
        activePermission
    };

    accountPermissionUpdateContract.Actives.Add(permissions);

    return await wallet.AccountPermissionUpdateAsync(accountPermissionUpdateContract);
}

引入依赖库

PM> Install-Package Tron.Wallet.Net

设置波场主网RPC信息（配置）

namespace Console1 {
    using Tron.Wallet.Net;

    public record TronRecord(IServiceProvider ServiceProvider, ITronClient TronClient, IOptions<TronNetOptions> Options);

    public static class TronServiceExtension {
        private static IServiceProvider AddTronNet() {
            IServiceCollection services = new ServiceCollection();
            services.AddTronNet(x => {
                x.Network = TronNetwork.MainNet;
                x.Channel = new GrpcChannelOption { Host = "grpc.trongrid.io", Port = 50051 };
                x.SolidityChannel = new GrpcChannelOption { Host = "grpc.trongrid.io", Port = 50052 };
                x.ApiKey = "80a8b20f-a917-43a9-a2f1-809fe6eec0d6";
            });
            services.AddLogging();
            return services.BuildServiceProvider();
        }

        public static TronRecord GetRecord() {
            var provider = AddTronNet();
            var client = provider.GetService<ITronClient>();
            var options = provider.GetService<IOptions<TronNetOptions>>();

            return new TronRecord(provider, client, options);
        }
    }
}

参考

https://cn.developers.tron.network/reference/accountpermissionupdate

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