errors;
tie(errors, m_data, info) = userInputToCode(ui->data->toPlainText().toStdString(), ui->optimize->isChecked());
if (errors.size())
{
// Errors determining transaction data (i.e. init code). Bail.
QString htmlErrors;
for (auto const& i: errors)
htmlErrors.append("ERROR " + QString::fromStdString(i).toHtmlEscaped() + "
");
bail(htmlErrors);
return;
}
htmlInfo = QString::fromStdString(info) + "Code
" + QString::fromStdString(disassemble(m_data)).toHtmlEscaped();
}
else
{
m_data = parseData(ui->data->toPlainText().toStdString());
htmlInfo = "Dump
" + QString::fromStdString(dev::memDump(m_data, 8, true));
}
htmlInfo += "Hex
" + QString(ETH_HTML_DIV(ETH_HTML_MONO)) + QString::fromStdString(toHex(m_data)) + "";
auto gasReq = determineGasRequirements();
htmlInfo = QString("INFO Gas required: %1 total = %2 base, %3 exec [%4 refunded later]
").arg(gasReq.neededGas).arg(gasReq.baseGas).arg(gasReq.executionGas).arg(gasReq.refundedGas) + htmlInfo;
if (b < value() + gasReq.baseGas * gasPrice())
{
// Not enough - bail.
bail("ERROR Account doesn't contain enough for paying even the basic amount of gas required.
");
return;
}
if (gasReq.neededGas > m_ethereum->gasLimitRemaining())
{
// Not enough - bail.
bail("ERROR Gas remaining in block isn't enough to allow the gas required.
");
return;
}
if (gasReq.er.excepted != TransactionException::None)
{
bail("ERROR " + QString::fromStdString(toString(gasReq.er.excepted)) + "
");
return;
}
if (gasReq.er.codeDeposit == CodeDeposit::Failed)
{
bail("ERROR Code deposit failed due to insufficient gas; " + QString::fromStdString(toString(gasReq.er.gasForDeposit)) + " GAS < " + QString::fromStdString(toString(gasReq.er.depositSize)) + " bytes * " + QString::fromStdString(toString(c_createDataGas)) + "GAS/byte
");
return;
}
// Add Natspec information
if (!isCreation())
htmlInfo = "INFO " + QString::fromStdString(natspecNotice(toAccount().first, m_data)).toHtmlEscaped() + "
" + htmlInfo;
// Update gas
if (ui->gas->value() == ui->gas->minimum())
{
ui->gas->setMinimum(gasReq.neededGas);
ui->gas->setValue(gasReq.neededGas);
}
else
ui->gas->setMinimum(gasReq.neededGas);
updateFee();
ui->code->setHtml(htmlInfo);
// ui->send->setEnabled(m_allGood);
}
Secret Transact::findSecret(u256 _totalReq) const
{
if (!ethereum())
return Secret();
Address best;
u256 bestBalance = 0;
for (auto const& i: m_accounts)
{
auto b = ethereum()->balanceAt(i, PendingBlock);
if (b >= _totalReq)
{
best = i;
break;
}
if (b > bestBalance)
bestBalance = b, best = i;
}
return m_main->retrieveSecret(best);
}
Address Transact::fromAccount()
{
if (ui->from->currentIndex() < 0 || ui->from->currentIndex() >= (int)m_accounts.size())
return Address();
auto it = m_accounts.begin();
std::advance(it, ui->from->currentIndex());
return *it;
}
void Transact::updateNonce()
{
u256 n = ethereum()->countAt(fromAccount(), PendingBlock);
ui->nonce->setMaximum((unsigned)n);
ui->nonce->setMinimum(0);
ui->nonce->setValue((unsigned)n);
}
void Transact::on_send_clicked()
{
// Secret s = findSecret(value() + fee());
u256 nonce = ui->autoNonce->isChecked() ? ethereum()->countAt(fromAccount(), PendingBlock) : ui->nonce->value();
auto a = fromAccount();
auto b = ethereum()->balanceAt(a, PendingBlock);
if (!a || b < value() + fee())
{
QMessageBox::critical(nullptr, "Transaction Failed", "Couldn't make transaction: account doesn't contain at least the required amount.", QMessageBox::Ok);
return;
}
Secret s = m_main->retrieveSecret(a);
if (!s)
return;
if (isCreation())
{
// If execution is a contract creation, add Natspec to
// a local Natspec LEVELDB
ethereum()->submitTransaction(s, value(), m_data, ui->gas->value(), gasPrice(), nonce);
#if ETH_SOLIDITY
string src = ui->data->toPlainText().toStdString();
if (sourceIsSolidity(src))
try
{
dev::solidity::CompilerStack compiler(true);
m_data = compiler.compile(src, ui->optimize->isChecked());
for (string const& s: compiler.getContractNames())
{
h256 contractHash = compiler.getContractCodeHash(s);
m_natSpecDB->add(contractHash, compiler.getMetadata(s, dev::solidity::DocumentationType::NatspecUser));
}
}
catch (...) {}
#endif
}
else
// TODO: cache like m_data.
ethereum()->submitTransaction(s, value(), m_main->fromString(ui->destination->currentText().toStdString()).first, m_data, ui->gas->value(), gasPrice(), nonce);
close();
}
void Transact::on_debug_clicked()
{
// Secret s = findSecret(value() + fee());
Address from = fromAccount();
auto b = ethereum()->balanceAt(from, PendingBlock);
if (!from || b < value() + fee())
{
QMessageBox::critical(this, "Transaction Failed", "Couldn't make transaction: account doesn't contain at least the required amount.");
return;
}
try
{
Block postState(ethereum()->postState());
Transaction t = isCreation() ?
Transaction(value(), gasPrice(), ui->gas->value(), m_data, postState.transactionsFrom(from)) :
Transaction(value(), gasPrice(), ui->gas->value(), m_main->fromString(ui->destination->currentText().toStdString()).first, m_data, postState.transactionsFrom(from));
t.forceSender(from);
Debugger dw(m_main, this);
Executive e(postState, ethereum()->blockChain(), 0);
dw.populate(e, t);
dw.exec();
}
catch (dev::Exception const& _e)
{
QMessageBox::critical(this, "Transaction Failed", "Couldn't make transaction. Low-level error: " + QString::fromStdString(diagnostic_information(_e)));
// this output is aimed at developers, reconsider using _e.what for more user friendly output.
}
}