private async void CreateContract()
{
InvokeHelp.SetControlPropertyThreadSafe(progressLabel, "Visible", true);
InvokeHelp.SetControlPropertyThreadSafe(progressLabel, "Text", "กำลังสร้างสัญญาเงินอิเล็กทรอนิกส์");
var contract = Encoding.UTF8.GetBytes(contracttextbox.Text);;
var token = Encoding.UTF8.GetBytes(tokentextbox.Text);;
decimal amount = Decimal.Parse(AmountTextBox.Text);
ushort noOfdecimal = Convert.ToUInt16(NoOfDecimalTextBox.Text);
WalletContract mycontract = null;
var api = new DigibyteAPI(new APIOptions {
BaseURL = Program.InsightAPI
});
contractService = new ContractService(@"tsc-wallet.db", api);
mycontract = await contractService.CreateContract(privateKey, contract, token, amount, noOfdecimal);
SetControlPropertyThreadSafe(progressBar1, "Value", 2);
contractID = mycontract.ID;
MessageBox.Show("รหัสสัญญา :" + contractID); //test Show Contract ID
int CountConnect = 0;
bool triggerContract = false;
transactions = new TransBlockchain();
while (CountConnect <= 15) //find contractID in blockchain
{
InvokeHelp.SetControlPropertyThreadSafe(progressLabel, "Text", "กำลังตรวจสอบธุรกรรมการสร้างสัญญา");
try
{
var response = await client.GetAsync("/api/tx/" + contractID);
response.EnsureSuccessStatusCode();
var result = await response.Content.ReadAsStringAsync();
transactions = JsonConvert.DeserializeObject <TransBlockchain>(result);
if (transactions.time != 0 && transactions.blocktime != 0)
{
triggerContract = true;
break;
}
else
{
CountConnect++;
Thread.Sleep(5000);
}
}
catch
{
CountConnect++;
Thread.Sleep(5000);
}
}
SetControlPropertyThreadSafe(progressBar1, "Value", 3);
if (!triggerContract)
{
InvokeHelp.SetControlPropertyThreadSafe(progressLabel, "Visible", false);
SetControlPropertyThreadSafe(progressBar1, "Visible", false);
MessageBox.Show("ไม่ค้นพบสัญญาเงินอิเล็กทรอนิกส์ในบล็อกเชน :" + contractID);
return;
}
resultContract = await contractService.FindContract(contractID);
SetControlPropertyThreadSafe(progressBar1, "Value", 4);
if (resultContract == null) //if dont seen this transaction. exite method
{
InvokeHelp.SetControlPropertyThreadSafe(progressLabel, "Visible", false);
SetControlPropertyThreadSafe(progressBar1, "Visible", false);
MessageBox.Show("การสร้างรหัสสัญญาไม่สำเร็จ");
return;
}
//Check Block of Contract and LastBlock. because if block of contract is lastblock, calculating of cryptocurrency balance will be issue
bool triggerAllow = false;
CountConnect = 0;
while (CountConnect <= 10)
{
try
{
int ContractBlock = await api.GetBlockHeight(transactions.blockhash);
var LastSync = await api.GetSync();
int Lastblock = LastSync.blockChainHeight;
if (ContractBlock != Lastblock)
{
triggerAllow = true;
break;
}
else
{
CountConnect++;
Thread.Sleep(3000);
}
}
catch
{
CountConnect++;
Thread.Sleep(3000);
}
}
SetControlPropertyThreadSafe(progressBar1, "Value", 5);
if (!triggerAllow)
{
InvokeHelp.SetControlPropertyThreadSafe(progressLabel, "Visible", false);
InvokeHelp.SetControlPropertyThreadSafe(progressBar1, "Visible", false);
MessageBox.Show("ขณะนี้ยังไม่สามารถออกเงินได้ ลองอีกครั้ง");
return;
}
Thread.Sleep(5000); //wait mined
int issuedRepeat = 2;
start:
InvokeHelp.SetControlPropertyThreadSafe(progressLabel, "Text", "กำลังออกเงิน");
var walletService = contractService.CreateWalletService(resultContract, privateKey); //Create issued Ledger
var ledger1 = walletService.CreateLedger(OperationCode.Issue);
await walletService.BroadcastLedger(ledger1);
SetControlPropertyThreadSafe(progressBar1, "Value", 6);
MessageBox.Show("รหัสการออกเงิน :" + ledger1.TxId); //test Show issued ID
transactions = new TransBlockchain();
int Count = 0;
bool IssueTrigger = false;
while (Count <= 15)
{
InvokeHelp.SetControlPropertyThreadSafe(progressLabel, "Text", "กำลังตรวจสอบธุรกรรมการออกเงิน");
try
{
var response2 = await client.GetAsync("/api/tx/" + ledger1.TxId);
response2.EnsureSuccessStatusCode();
var result = await response2.Content.ReadAsStringAsync();
transactions = JsonConvert.DeserializeObject <TransBlockchain>(result);
if (transactions.time != 0 && transactions.blocktime != 0)
{
IssueTrigger = true;
break;
}
else
{
Count++;
Thread.Sleep(5000);
}
}
catch
{
Count++;
Thread.Sleep(5000);
}
}
SetControlPropertyThreadSafe(progressBar1, "Value", 7);
if (!IssueTrigger) //if
{
InvokeHelp.SetControlPropertyThreadSafe(progressLabel, "Visible", false);
SetControlPropertyThreadSafe(progressBar1, "Visible", false);
MessageBox.Show("หมดเวลาการรอ กรุณาตรวจสอบรหัสธุรกรรมการออกเงินด้วยตัวเองที่ตัวสำรวจบล็อก :" + transactions.txid);
return; //exite ,method
}
var txContract = await api.GetTransactionInfo(contractID);
var txIssued = await api.GetTransactionInfo(ledger1.TxId);
if (txContract.blocktime > txIssued.blocktime) //if Contract blocktime more than Issued blocktime. New Issued again.
{
if (issuedRepeat > 0)
{
issuedRepeat--;
goto start;
}
else
{
InvokeHelp.SetControlPropertyThreadSafe(progressLabel, "Visible", false);
SetControlPropertyThreadSafe(progressBar1, "Visible", false);
MessageBox.Show("หมดเวลาการรอ กรุณาตรวจสอบรหัสธุรกรรมการออกเงินด้วยตัวเองที่ตัวสำรวจบล็อก :" + txIssued.txid);
return;
}
}
InvokeHelp.SetControlPropertyThreadSafe(progressLabel, "Text", "สร้างสัญญาเงินอิเล็กทรอนิกส์สำเร็จ");
triggerFinish = true;
Action action = new Action(FinishCreating);
this.BeginInvoke(action);
}
private async void ScanWallet()
{
timer.Stop();
InvokeHelp.SetControlPropertyThreadSafe(refreshbutton, "Enabled", false);
InvokeHelp.SetControlPropertyThreadSafe(rescanbutton, "Enabled", false);
InvokeHelp.SetControlPropertyThreadSafe(sendDgbButton, "Enabled", false);
InvokeHelp.SetControlPropertyThreadSafe(addcontractbutton, "Enabled", false);
InvokeHelp.SetControlPropertyThreadSafe(progressBar1, "Visible", true);
InvokeHelp.SetControlPropertyThreadSafe(progressBar1, "Value", 1);
DgbBalance = await api.GetBalance(publicKey);
ShowDataToGrid(new List <WalletAccount>());
if (InvokeRequired) //Invoke DGBBalancelabel
{
this.Invoke(new MethodInvoker(delegate { DGBBalancelabel.Text = DgbBalance.ToString(); }));
}
else
{
DGBBalancelabel.Text = DgbBalance.ToString();
}
string path = $"{Directory.GetCurrentDirectory()}{Path.DirectorySeparatorChar}CurrentContract.txt";
using (StreamReader sr = File.OpenText(path))
{
string s;
if ((s = sr.ReadLine()) != null)
{
using (var db = new LiteDatabase(connectionString))
{
var collection = db.GetCollection <MonitorContract>("Contracts");
CurrentContract = collection.FindOne(x => x.contract_id == s);
}
InvokeHelp.SetControlPropertyThreadSafe(addcontractbutton, "Text", "แก้ไข");
}
else
{
InvokeHelp.SetControlPropertyThreadSafe(addcontractbutton, "Text", "เพิ่ม");
ShowDataToGrid(new List <WalletAccount>());
InvokeHelp.SetControlPropertyThreadSafe(progressBar1, "Visible", false);
InvokeHelp.SetControlPropertyThreadSafe(addcontractbutton, "Enabled", true); //try
return;
}
}
if (CurrentContract == null)
{
InvokeHelp.SetControlPropertyThreadSafe(addcontractbutton, "Enabled", true); //try
return;
}
List <String> pbkey = new List <string>();
try
{
int i = 0;
int totalPage = 1;
bool stopLimit = false;
LastBlockHeight = 0;
string ownerpubkey = CurrentContract.owner_pubkey;
while (i < totalPage && !stopLimit)
{
var response = await client.GetAsync($"/api/txs/?address={ownerpubkey}&pageNum={i}");
response.EnsureSuccessStatusCode();
var result = await response.Content.ReadAsStringAsync();
transactions = JsonConvert.DeserializeObject <APITransByAddr>(result);
totalPage = transactions.pagesTotal;
List <Tx> Address = transactions.txs;
foreach (var datatx in Address)
{
var height = await api.GetBlockHeight(datatx.blockhash);
if (height > CurrentContract.blockheight) //only BlockHeight more than BlockHeight in DB Contract
{
if (LastBlockHeight == 0)
{
LastBlockHeight = height;
}
foreach (var vins in datatx.vin)
{
pbkey.Add(vins.addr);
}
foreach (var vout in datatx.vout)
{
if (vout.scriptPubKey.addresses != null)
{
foreach (var addr in vout.scriptPubKey.addresses)
{
pbkey.Add(addr.ToString());
}
}
}
}
else
{
stopLimit = true;
break;
}
}
i++;
}
pbkey = pbkey.Distinct().ToList(); //Distince wallet
InvokeHelp.SetControlPropertyThreadSafe(progressBar1, "Value", 2);
List <string> walletInDb = new List <string>();
List <string> contractInDb = new List <string>();
using (var db = new LiteDatabase(connectionString)) //Compare present wallet in api with wallet in db. Insert difference wallet(new wallet) to db
{
var collection = db.GetCollection <WalletAccount>("Accounts");
var walletInDb1 = collection.Find(x => x.account_id.contract_id == CurrentContract.contract_id).ToList();
if (walletInDb1.Count() != 0)
{
walletInDb = walletInDb1.Select(x => x.account_id.publickey).ToList();
pbkey = pbkey.Except(walletInDb).ToList();
}
}
InvokeHelp.SetControlPropertyThreadSafe(progressBar1, "Value", 3);
var a1 = pbkey.IndexOf(CurrentContract.owner_pubkey); //remove owner public key
if (a1 >= 0)
{
pbkey.RemoveAt(a1);
}
InvokeHelp.SetControlPropertyThreadSafe(progressBar1, "Value", 4);
if (pbkey.Count() != 0) //if it have got new wallet. Insert it.
{
using (var db = new LiteDatabase(connectionString)) //Insert Wallet
{
var collection = db.GetCollection <WalletAccount>("Accounts");
foreach (var tx in pbkey)
{
var account = new WalletAccount
{
account_id = new KeyAccount
{
contract_id = CurrentContract.contract_id,
publickey = tx.ToString()
}
};
collection.Insert(account);
}
}
using (var db = new LiteDatabase(connectionString)) //Compare present wallet in api with wallet in db. Insert difference wallet(new wallet) to db
{
var collection = db.GetCollection <MonitorContract>("Contracts");
CurrentContract.blockheight = LastBlockHeight;
collection.Update(CurrentContract);
}
}
InvokeHelp.SetControlPropertyThreadSafe(progressBar1, "Value", 5);
using (var db = new LiteDatabase(connectionString))
{
var collection = db.GetCollection <WalletAccount>("Accounts");
var walletInDb1 = collection.Find(x => x.account_id.contract_id == CurrentContract.contract_id);
if (walletInDb1.Count() != 0)
{
walletInDb = walletInDb1.Select(x => x.account_id.publickey).ToList();
foreach (var wallet in walletInDb)
{
var balance = await api.GetBalance(wallet);
var lessMoney = collection.FindOne(x => x.account_id.contract_id == CurrentContract.contract_id && x.account_id.publickey == wallet);
lessMoney.balance = balance;
collection.Update(lessMoney);
}
}
WalletInDb = collection.Find(x => x.account_id.contract_id == CurrentContract.contract_id).ToList();
}
InvokeHelp.SetControlPropertyThreadSafe(progressBar1, "Value", 6);
}
catch (Exception e)
{
MessageBox.Show("การเชื่อมต่อตัวสำรวจบล็อกมีปัญหา โปรดลองใหม่ภายหลัง");
//MessageBox.Show(e.Message);
using (var db = new LiteDatabase(connectionString)) //if cannot use transaction in blockchian. Use last data in databasse
{
var collection = db.GetCollection <WalletAccount>("Accounts");
WalletInDb = collection.Find(x => x.account_id.contract_id == CurrentContract.contract_id).ToList();
}
}
if (WalletInDb != null)
{
ShowDataToGrid(WalletInDb);
InvokeHelp.SetControlPropertyThreadSafe(progressBar1, "Value", 7);
InvokeHelp.SetControlPropertyThreadSafe(progressBar1, "Visible", false);
}
InvokeHelp.SetControlPropertyThreadSafe(progressBar1, "Visible", false);
InvokeHelp.SetControlPropertyThreadSafe(refreshbutton, "Enabled", true);
InvokeHelp.SetControlPropertyThreadSafe(rescanbutton, "Enabled", true);
InvokeHelp.SetControlPropertyThreadSafe(sendDgbButton, "Enabled", true);
InvokeHelp.SetControlPropertyThreadSafe(addcontractbutton, "Enabled", true);
LowMoneyWallet = WalletInDb.FindAll(x => x.balance < Properties.Settings.Default.minBalance); //Find Wallet is low money
IsDone = true;
timer.Start();
AutoSendDGB();
}