public async void InitializeContract()
{
var api = new DigibyteAPI(new APIOptions {
BaseURL = Program.InsightAPI
});
contractService = new ContractService(@"tsc-wallet.db", api);
MyContract = contractService.LoadContract(currentContract);
if (MyContract != null)
{
StatusLabel.Text = "สร้างสำเร็จ";
ContractIDtextBox.Text = MyContract.ID;
NameLabel.Text = MyContract.NameString;
TokenLabel.Text = MyContract.TokenString;
TotalSupplyLabel.Text = MyContract.TotalSupply.ToString();
NoOfDecimalLabel.Text = MyContract.NoOfDecimal.ToString();
OwnerPublicLabel.Text = MyContract.OwnerPublicAddress;
GenerateQrCode();
CoppyButton = true;
}
else
{
StatusLabel.Text = "สร้างไม่สำเร็จ";
StatusLabel.ForeColor = Color.Red;
ContractIDtextBox.Text = currentContract;
NameLabel.Text = "None";
TokenLabel.Text = "None";
TotalSupplyLabel.Text = "None";
NoOfDecimalLabel.Text = "None";
OwnerPublicLabel.Text = "None";
CoppyButton = false;
}
}
private void InitializeMoney()
{
keyService = new KeyService("1234");
saveKey = keyService.GetKey(); //Prepare KeyPair of Sender
api = new DigibyteAPI(new APIOptions {
BaseURL = Program.InsightAPI
});
LoadData();
}
/// <summary>
/// A default constructor of contract service
/// </summary>
/// <returns>A contract service is used to manage electronic money contract in data store.</returns>
public ContractService()
{
var connectionString = $"{Directory.GetCurrentDirectory()}{Path.DirectorySeparatorChar}tsc-wallet.db";
//var connectionString = Path.Combine(System.Environment.GetFolderPath(System.Environment.SpecialFolder.LocalApplicationData), "tsc-wallet.db");
var api = new DigibyteAPI();
var network = NBitcoin.Altcoins.Digibyte.Instance.Mainnet;
ContractSetup(connectionString, api, network);
}
private void InitializeMoney()
{
keyService = new KeyService("1234");
saveKey = keyService.GetKey(); //Prepare KeyPair of Sender
api = new DigibyteAPI(new APIOptions {
BaseURL = Program.InsightAPI
});
t = new Thread(new ThreadStart(SendDGB));
t.Start();
}
public MainForm()
{
InitializeComponent();
progressBar1.Maximum = 7;
progressBar1.Visible = false;
this.refreshbutton.Image = (Image)(new Bitmap(ContractCreate.Properties.Resources.reload1, new Size(32, 32)));
client = new HttpClient();
client.BaseAddress = new System.Uri(Program.InsightAPI);
api = new DigibyteAPI(new APIOptions {
BaseURL = Program.InsightAPI
});
string path = $"{Directory.GetCurrentDirectory()}{Path.DirectorySeparatorChar}CurrentContract.txt";
if (!File.Exists(path))
{
using (StreamWriter sw = File.CreateText(path))
{
}
}
connectionString = $"{Directory.GetCurrentDirectory()}{Path.DirectorySeparatorChar}tsc-wallet.db";
InitializeEMoney();
}
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);
}