void PPChanged(object sender, TextChangedEventArgs e)
{
m_textBoxPP.Background = Brushes.White;
m_paragraphAddress.Inlines.Clear();
// empty
if (m_textBoxPP.Text == "")
{
m_paragraphAddress.Inlines.Add(
"Select any charset from menu to generate random password with " + m_passwordStrengthBit + "-bit strength.\n"
+ "ETH and ETC addresses are derived from the password.\n\n"
+ "Procedures:\n"
+ "random password -> EC private key -> EC public key -> ETH and ETC addresses\n");
return;
}
// private key
BigInteger privateKey;
if (EllipticCurve.HexToPrivateKey(m_textBoxPP.Text, out privateKey))
{
m_textBoxPP.Background = Brushes.LightSkyBlue;
Output(privateKey);
return;
}
// password
BigInteger keySpace = Password.GetKeySpace(m_textBoxPP.Text);
BigInteger keySpaceMin = BigInteger.Pow(2, m_passwordStrengthBit);
if (keySpace < 0)
{
m_paragraphAddress.Inlines.Add("Password contains invalid character.\n");
}
else if (keySpace < keySpaceMin)
{
m_paragraphAddress.Inlines.Add("Current password charset: " + string.Join(" ", Password.GetCharsetNames(m_textBoxPP.Text)) + "\n");
m_paragraphAddress.Inlines.Add("Current Password length: " + m_textBoxPP.Text.Length + "\n");
m_paragraphAddress.Inlines.Add("Current Password strength: " + keySpace + "\n");
m_paragraphAddress.Inlines.Add("Minimum password strength: " + keySpaceMin + "\n");
}
else
{
m_paragraphAddress.Inlines.Add("Password (confidential): " + m_textBoxPP.Text + "\n");
Output(Password.PasswordToPrivateKey(m_textBoxPP.Text));
}
}
void UpdateTransaction(bool loadNonce)
{
m_paragraphTransaction.Inlines.Clear();
// Password / Private key
BigInteger privateKey;
if (EllipticCurve.HexToPrivateKey(m_passwordBoxPP.Password, out privateKey))
{
m_passwordBoxPP.Background = Brushes.LightSkyBlue;
}
else
{
m_passwordBoxPP.Background = Brushes.White;
if (Password.GetKeySpace(m_passwordBoxPP.Password) < BigInteger.Pow(2, m_passwordStrengthBit))
{
return;
}
privateKey = Password.PasswordToPrivateKey(m_passwordBoxPP.Password);
}
BigInteger publicKeyX;
BigInteger publicKeyY;
BouncyCastle.ECPrivateKeyToPublicKey(privateKey, out publicKeyX, out publicKeyY);
byte[] publicKey = EllipticCurve.PublicKeyToBytes(publicKeyX, publicKeyY);
byte[] address = ETHAddress.PublicKeyToETHAddress(publicKey);
PrintAddressAndBlockExplorer("From", address);
// Nonce
if (loadNonce)
{
string text = "";
if (m_dAddressNonce.ContainsKey(Encode.BytesToHex(address)))
{
text = m_dAddressNonce[Encode.BytesToHex(address)];
}
Dispatcher.BeginInvoke(new Action(() => m_comboBoxNonce.Text = text));
}
if (!BigInteger.TryParse(m_comboBoxNonce.Text, out m_tx.m_nonce))
{
m_paragraphTransaction.Inlines.Add("Nonce: <Invalid>\n"); return;
}
if (m_tx.m_nonce < 0)
{
m_paragraphTransaction.Inlines.Add("Nonce: <Invalid>\n"); return;
}
m_paragraphTransaction.Inlines.Add("Nonce: " + m_tx.m_nonce + "\n");
// To
string to = m_comboBoxTo.Text.Trim();
int index = to.IndexOf(" ");
if (index != -1)
{
to = to.Substring(0, index);
}
m_tx.m_to = Encode.HexToBytes(to);
if (m_tx.m_to == null)
{
m_paragraphTransaction.Inlines.Add("To: <Invalid>\n"); return;
}
else if (m_tx.m_to.Length == 0)
{
m_paragraphTransaction.Inlines.Add("To: Empty\n");
}
else if (m_tx.m_to.Length == 20)
{
PrintAddressAndBlockExplorer("To", m_tx.m_to);
}
else
{
m_paragraphTransaction.Inlines.Add("To: <Invalid>\n"); return;
}
// Value
if (Encode.DecimalToBigInteger(m_comboBoxValue.Text, 18, out m_tx.m_value))
{
m_paragraphTransaction.Inlines.Add("Value: " + Encode.BigIntegerToDecimal(m_tx.m_value, 18) + " " + GetCurrency() + "\n");
}
else
{
m_paragraphTransaction.Inlines.Add("Value: <Invalid>\n");
return;
}
// Init / Data
if (m_tx.m_initOrData.Length > 0)
{
m_paragraphTransaction.Inlines.Add("Init / Data: " + m_tx.m_initOrData.Length + " bytes\n");
}
// Gas price
if (!Encode.DecimalToBigInteger(m_comboBoxGasPrice.Text, 18, out m_tx.m_gasPrice))
{
m_paragraphTransaction.Inlines.Add("Gas price: <Invalid>\n");
return;
}
// m_paragraphTransaction.Inlines.Add("Gas price: " + Encode.BigIntegerToDecimal(m_tx.m_gasPrice, 18) + " " + GetCurrency() + "\n");
// Gas limit
if (!BigInteger.TryParse(m_comboBoxGasLimit.Text, out m_tx.m_gasLimit))
{
m_paragraphTransaction.Inlines.Add("Gas limit: <Invalid>\n"); return;
}
if (m_tx.m_gasLimit < 0)
{
m_paragraphTransaction.Inlines.Add("Gas limit: <Invalid>\n"); return;
}
// m_paragraphTransaction.Inlines.Add("Gas limit: " + m_tx.m_gasLimit + "\n");
BigInteger gasLimitMin = m_tx.GetGasLimitMin();
if (m_tx.m_gasLimit < gasLimitMin)
{
m_paragraphTransaction.Inlines.Add(new Run("Minimal gas limit is " + gasLimitMin + ".\n")
{
Foreground = Brushes.Red
});
}
// calculation
m_paragraphTransaction.Inlines.Add(new Run("Fee: " + Encode.BigIntegerToDecimal(m_tx.m_gasPrice * m_tx.m_gasLimit, 18) + " " + GetCurrency() + "\n")
{
ToolTip = "Fee = Gas price * Gas limit"
});
m_paragraphTransaction.Inlines.Add(new Run("Value + Fee: " + Encode.BigIntegerToDecimal(m_tx.m_value + m_tx.m_gasPrice * m_tx.m_gasLimit, 18) + " " + GetCurrency() + "\n")
{
ToolTip = "Fee = Gas price * Gas limit"
});
// additional check
if (m_tx.m_to.Length == 0 && m_tx.m_initOrData.Length == 0)
{
return;
}
// tx
m_tx.ECDsaSign(GetCurrency(), privateKey);
byte[] tx = m_tx.EncodeRLP();
byte[] hash = BouncyCastle.Keccak(tx);
// button
foreach (string node in m_lNode)
{
Button buttonSend = new Button()
{
Margin = new Thickness(2), Content = "Send to " + node, ToolTip = "Send raw transaction to " + node
};
buttonSend.Click += (sender, e) =>
{
// save
string file = GetCurrency() + "_tx_" + DateTime.Now.ToString("yyMMdd_HHmmss") + "_0x" + Encode.BytesToHex(hash);
File.WriteAllBytes(file, tx);
// nonce read
m_dAddressNonce.Clear();
foreach (var entry in ConfigFile.ReadAddressInfo(GetCurrency() + "_nonce"))
{
m_dAddressNonce[entry.Item1] = entry.Item2;
}
// nonce update
m_dAddressNonce[Encode.BytesToHex(address)] = m_tx.m_nonce.ToString();
// nonce write
List <string> lLine = new List <string>();
foreach (var entry in m_dAddressNonce)
{
lLine.Add("0x" + entry.Key + " " + entry.Value);
}
File.WriteAllLines(GetCurrency() + "_nonce", lLine);
// send
System.Diagnostics.Process.Start("send_transaction.exe", file + " " + node + " -pause");
};
m_paragraphTransaction.Inlines.Add(buttonSend);
}
Button buttonCopy = new Button()
{
Margin = new Thickness(2), Content = "Copy", ToolTip = "Copy raw transaction to clipboard"
};
Button buttonSave = new Button()
{
Margin = new Thickness(2), Content = "Save", ToolTip = "Save raw transaction to file"
};
buttonCopy.Click += (sender, e) => Clipboard.SetText(Encode.BytesToHex(tx));
buttonSave.Click += (sender, e) =>
{
var dlg = new Microsoft.Win32.SaveFileDialog();
dlg.FileName = GetCurrency() + "_tx_0x" + Encode.BytesToHex(hash);
if (dlg.ShowDialog() == true)
{
File.WriteAllBytes(dlg.FileName, tx);
}
};
m_paragraphTransaction.Inlines.Add(buttonCopy);
m_paragraphTransaction.Inlines.Add(buttonSave);
}
