Example #1
0
bool isDust(const QString& address, const CAmount& amount)
{
    CTxDestination dest = CMonetaAddress(address.toStdString()).Get();
    CScript script = GetScriptForDestination(dest);
    CTxOut txOut(amount, script);
    return txOut.IsDust(::minRelayTxFee);
}
void SignVerifyMessageDialog::on_verifyMessageButton_VM_clicked()
{
    CMonetaAddress addr(ui->addressIn_VM->text().toStdString());
    if (!addr.IsValid())
    {
        ui->statusLabel_VM->setStyleSheet("QLabel { color: red; }");
        ui->statusLabel_VM->setText(tr("The entered address is invalid.") + QString(" ") + tr("Please check the address and try again."));
        return;
    }
    CKeyID keyID;
    if (!addr.GetKeyID(keyID))
    {
        ui->addressIn_VM->setValid(false);
        ui->statusLabel_VM->setStyleSheet("QLabel { color: red; }");
        ui->statusLabel_VM->setText(tr("The entered address does not refer to a key.") + QString(" ") + tr("Please check the address and try again."));
        return;
    }

    bool fInvalid = false;
    std::vector<unsigned char> vchSig = DecodeBase64(ui->signatureIn_VM->text().toStdString().c_str(), &fInvalid);

    if (fInvalid)
    {
        ui->signatureIn_VM->setValid(false);
        ui->statusLabel_VM->setStyleSheet("QLabel { color: red; }");
        ui->statusLabel_VM->setText(tr("The signature could not be decoded.") + QString(" ") + tr("Please check the signature and try again."));
        return;
    }

    CDataStream ss(SER_GETHASH, 0);
    ss << strMessageMagic;
    ss << ui->messageIn_VM->document()->toPlainText().toStdString();

    CPubKey pubkey;
    if (!pubkey.RecoverCompact(Hash(ss.begin(), ss.end()), vchSig))
    {
        ui->signatureIn_VM->setValid(false);
        ui->statusLabel_VM->setStyleSheet("QLabel { color: red; }");
        ui->statusLabel_VM->setText(tr("The signature did not match the message digest.") + QString(" ") + tr("Please check the signature and try again."));
        return;
    }

    if (!(CMonetaAddress(pubkey.GetID()) == addr))
    {
        ui->statusLabel_VM->setStyleSheet("QLabel { color: red; }");
        ui->statusLabel_VM->setText(QString("<nobr>") + tr("Message verification failed.") + QString("</nobr>"));
        return;
    }

    ui->statusLabel_VM->setStyleSheet("QLabel { color: green; }");
    ui->statusLabel_VM->setText(QString("<nobr>") + tr("Message verified.") + QString("</nobr>"));
}
/*
 * Decompose CWallet transaction to model transaction records.
 */
QList<TransactionRecord> TransactionRecord::decomposeTransaction(const CWallet *wallet, const CWalletTx &wtx)
{
    QList<TransactionRecord> parts;
    int64_t nTime = wtx.GetTxTime();
    CAmount nCredit = wtx.GetCredit(ISMINE_ALL);
    CAmount nDebit = wtx.GetDebit(ISMINE_ALL);
    CAmount nNet = nCredit - nDebit;
    uint256 hash = wtx.GetHash();
    std::map<std::string, std::string> mapValue = wtx.mapValue;

    if (nNet > 0 || wtx.IsCoinBase())
    {
        //
        // Credit
        //
        BOOST_FOREACH(const CTxOut& txout, wtx.vout)
        {
            isminetype mine = wallet->IsMine(txout);
            if(mine)
            {
                TransactionRecord sub(hash, nTime);
                CTxDestination address;
                sub.idx = parts.size(); // sequence number
                sub.credit = txout.nValue;
                sub.involvesWatchAddress = mine == ISMINE_WATCH_ONLY;
                if (ExtractDestination(txout.scriptPubKey, address) && IsMine(*wallet, address))
                {
                    // Received by Moneta Address
                    sub.type = TransactionRecord::RecvWithAddress;
                    sub.address = CMonetaAddress(address).ToString();
                }
                else
                {
                    // Received by IP connection (deprecated features), or a multisignature or other non-simple transaction
                    sub.type = TransactionRecord::RecvFromOther;
                    sub.address = mapValue["from"];
                }
                if (wtx.IsCoinBase())
                {
                    // Generated
                    sub.type = TransactionRecord::Generated;
                }

                parts.append(sub);
            }
        }
    }
Example #4
0
    // Add addresses / update labels that we've sent to to the address book
    foreach(const SendCoinsRecipient &rcp, recipients)
    {
        std::string strAddress = rcp.address.toStdString();
        CTxDestination dest = CMonetaAddress(strAddress).Get();
        std::string strLabel = rcp.label.toStdString();
        {
            LOCK(wallet->cs_wallet);

            std::map<CTxDestination, std::string>::iterator mi = wallet->mapAddressBook.find(dest);

            // Check if we have a new address or an updated label
            if (mi == wallet->mapAddressBook.end() || mi->second != strLabel)
            {
                wallet->SetAddressBookName(dest, strLabel);
            }
        }
    }
Example #5
0
QString TransactionDesc::toHTML(CWallet *wallet, CWalletTx &wtx)
{
    QString strHTML;

    {
        LOCK(wallet->cs_wallet);
        strHTML.reserve(4000);
        strHTML += "<html><font face='verdana, arial, helvetica, sans-serif'>";

        int64 nTime = wtx.GetTxTime();
        int64 nCredit = wtx.GetCredit();
        int64 nDebit = wtx.GetDebit();
        int64 nNet = nCredit - nDebit;

        strHTML += "<b>" + tr("Status") + ":</b> " + FormatTxStatus(wtx);
        int nRequests = wtx.GetRequestCount();
        if (nRequests != -1)
        {
            if (nRequests == 0)
                strHTML += tr(", has not been successfully broadcast yet");
            else if (nRequests > 0)
                strHTML += tr(", broadcast through %n node(s)", "", nRequests);
        }
        strHTML += "<br>";

        strHTML += "<b>" + tr("Date") + ":</b> " + (nTime ? GUIUtil::dateTimeStr(nTime) : "") + "<br>";

        //
        // From
        //
        if (wtx.IsCoinBase())
        {
            strHTML += "<b>" + tr("Source") + ":</b> " + tr("Generated") + "<br>";
        }
        else if (wtx.mapValue.count("from") && !wtx.mapValue["from"].empty())
        {
            // Online transaction
            strHTML += "<b>" + tr("From") + ":</b> " + GUIUtil::HtmlEscape(wtx.mapValue["from"]) + "<br>";
        }
        else
        {
            // Offline transaction
            if (nNet > 0)
            {
                // Credit
                BOOST_FOREACH(const CTxOut& txout, wtx.vout)
                {
                    if (wallet->IsMine(txout))
                    {
                        CTxDestination address;
                        if (ExtractDestination(txout.scriptPubKey, address) && IsMine(*wallet, address))
                        {
                            if (wallet->mapAddressBook.count(address))
                            {
                                strHTML += "<b>" + tr("From") + ":</b> " + tr("unknown") + "<br>";
                                strHTML += "<b>" + tr("To") + ":</b> ";
                                strHTML += GUIUtil::HtmlEscape(CMonetaAddress(address).ToString());
                                if (!wallet->mapAddressBook[address].empty())
                                    strHTML += " (" + tr("own address") + ", " + tr("label") + ": " + GUIUtil::HtmlEscape(wallet->mapAddressBook[address]) + ")";
                                else
                                    strHTML += " (" + tr("own address") + ")";
                                strHTML += "<br>";
                            }
                        }
                        break;
                    }
                }
            }
        }

        //
        // To
        //
        if (wtx.mapValue.count("to") && !wtx.mapValue["to"].empty())
        {
            // Online transaction
            std::string strAddress = wtx.mapValue["to"];
            strHTML += "<b>" + tr("To") + ":</b> ";
            CTxDestination dest = CMonetaAddress(strAddress).Get();
            if (wallet->mapAddressBook.count(dest) && !wallet->mapAddressBook[dest].empty())
                strHTML += GUIUtil::HtmlEscape(wallet->mapAddressBook[dest]) + " ";
            strHTML += GUIUtil::HtmlEscape(strAddress) + "<br>";
        }

        //
        // Amount
        //
        if (wtx.IsCoinBase() && nCredit == 0)
        {
            //
            // Coinbase
            //
            int64 nUnmatured = 0;
            BOOST_FOREACH(const CTxOut& txout, wtx.vout)
                nUnmatured += wallet->GetCredit(txout);
            strHTML += "<b>" + tr("Credit") + ":</b> ";
            if (wtx.IsInMainChain())
                strHTML += MonetaUnits::formatWithUnit(MonetaUnits::MONET, nUnmatured)+ " (" + tr("matures in %n more block(s)", "", wtx.GetBlocksToMaturity()) + ")";
            else
                strHTML += "(" + tr("not accepted") + ")";
            strHTML += "<br>";
        }
Example #6
0
WalletModel::SendCoinsReturn WalletModel::sendCoins(const QList<SendCoinsRecipient> &recipients, const CCoinControl *coinControl)
{
    qint64 total = 0;
    QSet<QString> setAddress;
    QString hex;

    if(recipients.empty())
    {
        return OK;
    }

    // Pre-check input data for validity
    foreach(const SendCoinsRecipient &rcp, recipients)
    {
        if(!validateAddress(rcp.address))
        {
            return InvalidAddress;
        }
        setAddress.insert(rcp.address);

        if(rcp.amount <= 0)
        {
            return InvalidAmount;
        }
        total += rcp.amount;
    }

    if(recipients.size() > setAddress.size())
    {
        return DuplicateAddress;
    }

    int64 nBalance = getBalance(coinControl);

    if(total > nBalance)
    {
        return AmountExceedsBalance;
    }

    if((total + nTransactionFee) > nBalance)
    {
        return SendCoinsReturn(AmountWithFeeExceedsBalance, nTransactionFee);
    }

    {
        LOCK2(cs_main, wallet->cs_wallet);

        // Sendmany
        std::vector<std::pair<CScript, int64> > vecSend;
        foreach(const SendCoinsRecipient &rcp, recipients)
        {
            CScript scriptPubKey;
            scriptPubKey.SetDestination(CMonetaAddress(rcp.address.toStdString()).Get());
            vecSend.push_back(make_pair(scriptPubKey, rcp.amount));
        }

        CWalletTx wtx;
        CReserveKey keyChange(wallet);
        int64 nFeeRequired = 0;
        std::string strFailReason;
        bool fCreated = wallet->CreateTransaction(vecSend, wtx, keyChange, nFeeRequired, strFailReason, coinControl);

        if(!fCreated)
        {
            if((total + nFeeRequired) > nBalance)
            {
                return SendCoinsReturn(AmountWithFeeExceedsBalance, nFeeRequired);
            }
            emit message(tr("Send Coins"), QString::fromStdString(strFailReason),
                         CClientUIInterface::MSG_ERROR);
            return TransactionCreationFailed;
        }
        if(!uiInterface.ThreadSafeAskFee(nFeeRequired))
        {
            return Aborted;
        }
        if(!wallet->CommitTransaction(wtx, keyChange))
        {
            return TransactionCommitFailed;
        }
        hex = QString::fromStdString(wtx.GetHash().GetHex());
    }