void MultisigDialog::on_transaction_textChanged()
{
while(ui->inputs->count())
delete ui->inputs->takeAt(0)->widget();
while(ui->outputs->count())
delete ui->outputs->takeAt(0)->widget();
if(ui->transaction->text().size() > 0)
ui->signTransactionButton->setEnabled(true);
else
ui->signTransactionButton->setEnabled(false);
// Decode the raw transaction
std::vector<unsigned char> txData(ParseHex(ui->transaction->text().toStdString()));
CDataStream ss(txData, SER_NETWORK, PROTOCOL_VERSION);
CTransaction tx;
try
{
ss >> tx;
}
catch(std::exception &e)
{
(void)e;
return;
}
// Fill input list
int index = -1;
BOOST_FOREACH(const CTxIn& txin, tx.vin)
{
uint256 prevoutHash = txin.prevout.hash;
addInput();
index++;
MultisigInputEntry *entry = qobject_cast<MultisigInputEntry *>(ui->inputs->itemAt(index)->widget());
if(entry)
{
entry->setTransactionId(QString(prevoutHash.GetHex().c_str()));
entry->setTransactionOutputIndex(txin.prevout.n);
}
}
// Fill output list
index = -1;
BOOST_FOREACH(const CTxOut& txout, tx.vout)
{
CScript scriptPubKey = txout.scriptPubKey;
CTxDestination addr;
ExtractDestination(scriptPubKey, addr);
CBitcoinAddress address(addr);
SendCoinsRecipient recipient;
recipient.address = QString(address.ToString().c_str());
recipient.amount = txout.nValue;
addOutput();
index++;
SendCoinsEntry *entry = qobject_cast<SendCoinsEntry *>(ui->outputs->itemAt(index)->widget());
if(entry)
{
entry->setValue(recipient);
}
}
updateRemoveEnabled();
}
void MultisigDialog::on_transaction_textChanged()
{
ui->fee->setStyleSheet("");
ui->statusLabel->setText("");
while(ui->inputs->count())
delete ui->inputs->takeAt(0)->widget();
while(ui->outputs->count())
delete ui->outputs->takeAt(0)->widget();
if(ui->transaction->text().size() > 0)
ui->signTransactionButton->setEnabled(true);
else
ui->signTransactionButton->setEnabled(false);
// Decode the raw transaction
std::vector<unsigned char> txData(ParseHex(ui->transaction->text().toStdString()));
CDataStream ss(txData, SER_NETWORK, PROTOCOL_VERSION);
CTransaction tx;
try
{
ss >> tx;
}
catch(std::exception &e)
{
return;
}
// Fill input list
int index = -1;
BOOST_FOREACH(const CTxIn& txin, tx.vin)
{
uint256 prevoutHash = txin.prevout.hash;
addInput();
index++;
MultisigInputEntry *entry = qobject_cast<MultisigInputEntry *>(ui->inputs->itemAt(index)->widget());
if(entry)
{
entry->setTransactionId(QString(prevoutHash.GetHex().c_str()));
entry->setTransactionOutputIndex(txin.prevout.n);
}
}
// Fill output list
index = -1;
BOOST_FOREACH(const CTxOut& txout, tx.vout)
{
CScript scriptPubKey = txout.scriptPubKey;
CTxDestination addr;
ExtractDestination(scriptPubKey, addr);
CBitcoinAddress address(addr);
SendCoinsRecipient recipient;
recipient.address = QString(address.ToString().c_str());
recipient.amount = txout.nValue;
addOutput();
index++;
SendCoinsEntry *entry = qobject_cast<SendCoinsEntry *>(ui->outputs->itemAt(index)->widget());
if(entry)
{
entry->setValue(recipient);
}
}
updateRemoveEnabled();
// Check the fee
int64_t transactionSize = ui->transaction->text().size() / 2;
if(transactionSize == 0)
return;
transactionSize += ui->inputs->count() * 73; // Future ECDSA signatures in DER format
int64_t fee = (int64_t ) (ui->fee->text().toDouble() * COIN);
int64_t minFee = MIN_TX_FEE * (1 + (int64_t) transactionSize / 1000);
if(fee < minFee)
{
ui->fee->setStyleSheet("color:red;");
ui->statusLabel->setText(tr("The transaction fee might be too small."));
}
else if(fee > minFee)
{
ui->fee->setStyleSheet("color:red;");
ui->statusLabel->setText(tr("The transaction fee might be too big. Don't forget to add an output for the change address."));
}
}