public static void SentNotify(DBModels.Transaction tran, string secret)
{
SortedDictionary <string, object> data = null;
try
{
using (var db = new MainDB())
{
data = Helper.SignResult(new
{
outTradeNo = tran.OutTradeNo,
payedAmount = tran.PayedAmount,
status = (int)tran.Status,
//取出比特币交易信息，并转成json字符串
cyptoCoinTrans = Newtonsoft.Json.JsonConvert.SerializeObject((from m in db.CyptoCoinTran
where m.TransactionId == tran.id
select new
{
cyptoCoinTransId = m.CyptoCoinTransId,
confirmations = m.Confirmations,
payedAmount = m.PayedAmount,
payTime = m.PayTime // 接收到款项的时间
}).ToArray())
}, secret);
}
var result = Helper.PostJson(tran.NotifyUrl, data, 8000);
}
catch (Exception ex)
{
using (Way.Lib.CLog log = new Way.Lib.CLog("SentNotify error", false))
{
log.Log($"DBModels.Transaction.Id:{tran.id}");
if (data != null)
{
log.LogJson(data);
}
log.Log(ex.ToString());
}
}
}
/// <summary>
/// 为新交易生成付款地址
/// </summary>
/// <param name="db"></param>
/// <param name="account"></param>
/// <param name="currency"></param>
/// <param name="client"></param>
/// <param name="tran"></param>
void transactionGetCyptoCoinAddress(MainDB db, string account, string currency, CyptoCoinPlatform.ICyptoCoinClient client, DBModels.Transaction tran)
{
var time = DateTime.Now.AddDays(-1);
//获取一天前生成的交易，但是一直没有支付，可以认为地址已经不被使用，应该是不会有人在用
var oldtran = db.Transaction.FirstOrDefault(m => m.Status == DBModels.Transaction_StatusEnum.WaitForPay && m.Currency == currency && m.CreateTime < time);
string cyptoAddress = null;
if (oldtran != null)
{
//
cyptoAddress = oldtran.CyptoCoinAddress;
//把这笔交易作废
oldtran.Status = DBModels.Transaction_StatusEnum.Invalided;
db.Update(oldtran);
}
if (cyptoAddress == null)
{
var walletKeyInfo = (from m in db.Wallet
join b in db.WalletCyptoCoinInfo on m.id equals b.WalletId
where m.Account == account
select b).FirstOrDefault();
//获取一个付款地址
cyptoAddress = client.GetUnusedAddress(walletKeyInfo.Key1, walletKeyInfo.Key2);
}
tran.Currency = currency;
tran.CyptoCoinAddress = cyptoAddress;
tran.CreateTime = DateTime.Now;
tran.Status = DBModels.Transaction_StatusEnum.WaitForPay;
}
/// <summary>
/// 发起btc支付交易
/// </summary>
/// <returns></returns>
public object Pay([FromBody] NullableSortedDict <string, object> postData)
{
using (var db = new MainDB())
using (Way.Lib.CLog log = new Way.Lib.CLog("Pay"))
{
try
{
double?amount = postData.GetValue <double?>("amount");
string account = postData.GetValue <string>("account");
string sign = postData.GetValue <string>("sign");
string outTradeNo = postData.GetValue <string>("outTradeNo");
string notifyUrl = postData.GetValue <string>("notifyUrl");
string currency = postData.GetValue <string>("currency");
if (amount <= 0)
{
throw new Exception("金额无效");
}
var wallet = db.Wallet.FirstOrDefault(m => m.Account == account);
if (wallet == null)
{
throw new Exception($"账户“{account}”不存在");
}
log.LogJson(postData);
currency = currency.ToUpper();
var signResult = Helper.Sign(postData, wallet.Secret);
if (signResult != sign)
{
throw new Exception("签名校验失败");
}
var newTran = new DBModels.Transaction {
Amount = amount,
NotifyUrl = notifyUrl,
OutTradeNo = outTradeNo
};
//根据币种创建ICyptoCoinClient
var client = Activator.CreateInstance(typeof(ApiController).Assembly.GetType($"Cailutong.CyptoCoinGateway.CyptoCoinPlatform.Impls.{currency}.{currency}_Client")) as CyptoCoinPlatform.ICyptoCoinClient;
if (client == null)
{
throw new Exception("不支持" + currency);
}
//填充交易里面的付款地址
transactionGetCyptoCoinAddress(db, account, currency, client, newTran);
newTran.WalletId = wallet.id;
db.Insert(newTran);
return(Helper.SignResult(new
{
status = "success",
outTradeNo = outTradeNo,
targetAddress = newTran.CyptoCoinAddress
}, wallet.Secret));
}
catch (Exception ex)
{
log.Log(ex.ToString());
return(new
{
status = "error",
errMsg = ex.Message
});
}
}
}
