/// <summary>
/// 生成一个新的钱包
/// </summary>
/// <returns></returns>
DBModels.Wallet CreateWallet()
{
string account = null;
using (var db = new MainDB())
{
//generate account number
while (account == null)
{
account = new Random().Next(10000000, 99999999).ToString();
if (db.Wallet.Any(m => m.Account == account))
{
//account exists,generate account number again
account = null;
}
}
db.BeginTransaction();
try
{
var wallet = new DBModels.Wallet()
{
Account = account,
Secret = Guid.NewGuid().ToString("N")
};
db.Insert(wallet);
#region 创建BTC平台密钥
BTC_Client btc_client = new BTC_Client();
byte[] key1, key2;
btc_client.CreatePlatformKey(out key1, out key2);
var walletInfo = new DBModels.WalletCyptoCoinInfo()
{
Key1 = key1,
Key2 = key2,
WalletId = wallet.id,
Currency = "BTC",
};
db.Insert(walletInfo);
#endregion
db.CommitTransaction();
return(wallet);
}
catch
{
db.RollbackTransaction();
throw;
}
}
}
/// <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
});
}
}
}
static void checkTransaction(MainDB db, NBitcoin.Transaction cyptoCoinTransaction, int confirmations, Way.Lib.CLog log)
{
var payedTranid = cyptoCoinTransaction.GetHash().ToString();
log.Log($"transactionid：{payedTranid}");
foreach (var txOut in cyptoCoinTransaction.Outputs)
{
var addr = txOut.ScriptPubKey.GetDestinationAddress(NBitcoin.Network.Main).ToString();
log.Log($"txOut：{addr} value:{txOut.Value}");
//如果支付地址和钱包交易里的地址一致，那么，进行处理
var transaction = db.Transaction.FirstOrDefault(m => m.Status != DBModels.Transaction_StatusEnum.Invalided && m.CyptoCoinAddress == addr);
if (transaction != null)
{
var cyptoCoinTranItem = db.CyptoCoinTran.FirstOrDefault(m => m.TransactionId == transaction.id && m.CyptoCoinTransId == payedTranid);
if (cyptoCoinTranItem == null)
{
log.Log($"belong to Transaction {transaction.id}，increase Transaction's PayedAmount");
var amount = Convert.ToDouble(txOut.Value.ToDecimal(NBitcoin.MoneyUnit.BTC));
transaction.PayedAmount += amount;
if (transaction.PayedAmount >= transaction.Amount)
{
transaction.Status = DBModels.Transaction_StatusEnum.AllPayed;
}
else
{
transaction.Status = DBModels.Transaction_StatusEnum.PartialPayed;
}
db.Update(transaction);
var secret = db.Wallet.Where(m => m.id == transaction.WalletId).Select(m => m.Secret).FirstOrDefault();
//发送通知
if (!string.IsNullOrEmpty(transaction.NotifyUrl))
{
Task.Run(() => NotifyTask.SentNotify(transaction, secret));
}
cyptoCoinTranItem = new DBModels.CyptoCoinTran()
{
CyptoCoinTransId = payedTranid,
TransactionId = transaction.id,
PayedAmount = amount,
PayTime = DateTime.Now
};
db.Insert(cyptoCoinTranItem);
}
else
{
cyptoCoinTranItem.Confirmations = confirmations;
db.Update(cyptoCoinTranItem);
//发送通知
if (!string.IsNullOrEmpty(transaction.NotifyUrl) && confirmations <= 6)
{
var secret = db.Wallet.Where(m => m.id == transaction.WalletId).Select(m => m.Secret).FirstOrDefault();
Task.Run(() => NotifyTask.SentNotify(transaction, secret));
}
}
}
}
}