private void btnSignPrivkey_Click(object sender, EventArgs e)
{
PrivateKeyDialog pkd = new PrivateKeyDialog();
DialogResult res = pkd.ShowDialog();
if (res == DialogResult.Cancel)
{
return;
}
List <PrivateKey> keys = new List <PrivateKey>();
if (pkd.rbWIF.Checked)
{
foreach (TextBox tb in pkd.txtKeyList)
{
keys.Add(PrivateKey.FromWIF(tb.Text));
}
}
else if (pkd.rbHEX.Checked)
{
foreach (TextBox tb in pkd.txtKeyList)
{
keys.Add(PrivateKey.FromHex(tb.Text));
}
}
Transaction tx = new Transaction(HexString.ToByteArray(txtTx.Text));
for (int i = 0; i < tx.inputs.Length; i++)
{
foreach (PrivateKey pk in keys)
{
TxOut prevOut = selectedUTXO[new TxOutId(tx.inputs[i].prevOut, tx.inputs[i].prevOutIndex)];
Address a = Address.FromScript(prevOut.scriptPubKey);
Address b;
Script redeemScript = null;
if (pkd.cbP2SH.Checked)
{
redeemScript = new Script(HexString.ToByteArray(pkd.txtRedeemScript.Text));
b = new Address(redeemScript.ToBytes(), Address.SCRIPT);
}
else
{
b = pk.pubKey.address;
}
if (a.ToString() == b.ToString())
{
tx.inputs[i].Sign(tx, prevOut, pk, HashType.SIGHASH_ALL, redeemScript);
}
}
}
txtTx.Text = HexString.FromByteArray(tx.ToBytes());
}
public void FromPrivateKey()
{
var privateHex = "906977a061af29276e40bf377042ffbde414e496ae2260bbf1fa9d085637bfff";
var publicHex = "02a1633cafcc01ebfb6d78e39f687a1f0995c62fc95f51ead10a02ee0be551b5dc";
var privkey = PrivateKey.FromHex(privateHex);
var pubkey = privkey.CreatePublicKey();
Assert.Equal(privateHex, privkey.ToHex());
Assert.Equal(publicHex, pubkey.ToHex());
Assert.True(privkey.VerifyPubKey(pubkey));
}