Ejemplo n.º 1
0
bool WalletInit::ParameterInteraction() const
{
    if (gArgs.GetBoolArg("-disablewallet", DEFAULT_DISABLE_WALLET)) {
        for (const std::string& wallet : gArgs.GetArgs("-wallet")) {
            LogPrintf("%s: parameter interaction: -disablewallet -> ignoring -wallet=%s\n", __func__, wallet);
        }

        return true;
    }

    gArgs.SoftSetArg("-wallet", "");
    const bool is_multiwallet = gArgs.GetArgs("-wallet").size() > 1;

    if (gArgs.GetBoolArg("-blocksonly", DEFAULT_BLOCKSONLY) && gArgs.SoftSetBoolArg("-walletbroadcast", false)) {
        LogPrintf("%s: parameter interaction: -blocksonly=1 -> setting -walletbroadcast=0\n", __func__);
    }

    if (gArgs.GetBoolArg("-salvagewallet", false)) {
        if (is_multiwallet) {
            return InitError(strprintf("%s is only allowed with a single wallet file", "-salvagewallet"));
        }
        // Rewrite just private keys: rescan to find transactions
        if (gArgs.SoftSetBoolArg("-rescan", true)) {
            LogPrintf("%s: parameter interaction: -salvagewallet=1 -> setting -rescan=1\n", __func__);
        }
    }

    int zapwallettxes = gArgs.GetArg("-zapwallettxes", 0);
    // -zapwallettxes implies dropping the mempool on startup
    if (zapwallettxes != 0 && gArgs.SoftSetBoolArg("-persistmempool", false)) {
        LogPrintf("%s: parameter interaction: -zapwallettxes=%s -> setting -persistmempool=0\n", __func__, zapwallettxes);
    }

    // -zapwallettxes implies a rescan
    if (zapwallettxes != 0) {
        if (is_multiwallet) {
            return InitError(strprintf("%s is only allowed with a single wallet file", "-zapwallettxes"));
        }
        if (gArgs.SoftSetBoolArg("-rescan", true)) {
            LogPrintf("%s: parameter interaction: -zapwallettxes=%s -> setting -rescan=1\n", __func__, zapwallettxes);
        }
    }

    if (is_multiwallet) {
        if (gArgs.GetBoolArg("-upgradewallet", false)) {
            return InitError(strprintf("%s is only allowed with a single wallet file", "-upgradewallet"));
        }
    }

    if (gArgs.GetBoolArg("-sysperms", false))
        return InitError("-sysperms is not allowed in combination with enabled wallet functionality");
    if (gArgs.GetArg("-prune", 0) && gArgs.GetBoolArg("-rescan", false))
        return InitError(_("Rescans are not possible in pruned mode. You will need to use -reindex which will download the whole blockchain again."));

    if (::minRelayTxFee.GetFeePerK() > HIGH_TX_FEE_PER_KB)
        InitWarning(AmountHighWarn("-minrelaytxfee") + " " +
                    _("The wallet will avoid paying less than the minimum relay fee."));

    if (gArgs.IsArgSet("-mintxfee"))
    {
        CAmount n = 0;
        if (!ParseMoney(gArgs.GetArg("-mintxfee", ""), n) || 0 == n)
            return InitError(AmountErrMsg("mintxfee", gArgs.GetArg("-mintxfee", "")));
        if (n > HIGH_TX_FEE_PER_KB)
            InitWarning(AmountHighWarn("-mintxfee") + " " +
                        _("This is the minimum transaction fee you pay on every transaction."));
        CWallet::minTxFee = CFeeRate(n);
    }

    g_wallet_allow_fallback_fee = Params().IsFallbackFeeEnabled();
    if (gArgs.IsArgSet("-fallbackfee"))
    {
        CAmount nFeePerK = 0;
        if (!ParseMoney(gArgs.GetArg("-fallbackfee", ""), nFeePerK))
            return InitError(strprintf(_("Invalid amount for -fallbackfee=<amount>: '%s'"), gArgs.GetArg("-fallbackfee", "")));
        if (nFeePerK > HIGH_TX_FEE_PER_KB)
            InitWarning(AmountHighWarn("-fallbackfee") + " " +
                        _("This is the transaction fee you may pay when fee estimates are not available."));
        CWallet::fallbackFee = CFeeRate(nFeePerK);
        g_wallet_allow_fallback_fee = nFeePerK != 0; //disable fallback fee in case value was set to 0, enable if non-null value
    }
    if (gArgs.IsArgSet("-discardfee"))
    {
        CAmount nFeePerK = 0;
        if (!ParseMoney(gArgs.GetArg("-discardfee", ""), nFeePerK))
            return InitError(strprintf(_("Invalid amount for -discardfee=<amount>: '%s'"), gArgs.GetArg("-discardfee", "")));
        if (nFeePerK > HIGH_TX_FEE_PER_KB)
            InitWarning(AmountHighWarn("-discardfee") + " " +
                        _("This is the transaction fee you may discard if change is smaller than dust at this level"));
        CWallet::m_discard_rate = CFeeRate(nFeePerK);
    }
    if (gArgs.IsArgSet("-paytxfee"))
    {
        CAmount nFeePerK = 0;
        if (!ParseMoney(gArgs.GetArg("-paytxfee", ""), nFeePerK))
            return InitError(AmountErrMsg("paytxfee", gArgs.GetArg("-paytxfee", "")));
        if (nFeePerK > HIGH_TX_FEE_PER_KB)
            InitWarning(AmountHighWarn("-paytxfee") + " " +
                        _("This is the transaction fee you will pay if you send a transaction."));

        payTxFee = CFeeRate(nFeePerK, 1000);
        if (payTxFee < ::minRelayTxFee)
        {
            return InitError(strprintf(_("Invalid amount for -paytxfee=<amount>: '%s' (must be at least %s)"),
                                       gArgs.GetArg("-paytxfee", ""), ::minRelayTxFee.ToString()));
        }
    }
    if (gArgs.IsArgSet("-maxtxfee"))
    {
        CAmount nMaxFee = 0;
        if (!ParseMoney(gArgs.GetArg("-maxtxfee", ""), nMaxFee))
            return InitError(AmountErrMsg("maxtxfee", gArgs.GetArg("-maxtxfee", "")));
        if (nMaxFee > HIGH_MAX_TX_FEE)
            InitWarning(_("-maxtxfee is set very high! Fees this large could be paid on a single transaction."));
        maxTxFee = nMaxFee;
        if (CFeeRate(maxTxFee, 1000) < ::minRelayTxFee)
        {
            return InitError(strprintf(_("Invalid amount for -maxtxfee=<amount>: '%s' (must be at least the minrelay fee of %s to prevent stuck transactions)"),
                                       gArgs.GetArg("-maxtxfee", ""), ::minRelayTxFee.ToString()));
        }
    }
    nTxConfirmTarget = gArgs.GetArg("-txconfirmtarget", DEFAULT_TX_CONFIRM_TARGET);
    bSpendZeroConfChange = gArgs.GetBoolArg("-spendzeroconfchange", DEFAULT_SPEND_ZEROCONF_CHANGE);
    fWalletRbf = gArgs.GetBoolArg("-walletrbf", DEFAULT_WALLET_RBF);

    return true;
}
Ejemplo n.º 2
0
bool WalletInit::ParameterInteraction() const
{
    if (gArgs.GetBoolArg("-disablewallet", DEFAULT_DISABLE_WALLET)) {
        for (const std::string& wallet : gArgs.GetArgs("-wallet")) {
            LogPrintf("%s: parameter interaction: -disablewallet -> ignoring -wallet=%s\n", __func__, wallet);
        }

        return true;
    }

    gArgs.SoftSetArg("-wallet", "");
    const bool is_multiwallet = gArgs.GetArgs("-wallet").size() > 1;

    if (gArgs.GetBoolArg("-blocksonly", DEFAULT_BLOCKSONLY) && gArgs.SoftSetBoolArg("-walletbroadcast", false)) {
        LogPrintf("%s: parameter interaction: -blocksonly=1 -> setting -walletbroadcast=0\n", __func__);
    }

    if (gArgs.GetBoolArg("-salvagewallet", false)) {
        if (is_multiwallet) {
            return InitError(strprintf("%s is only allowed with a single wallet file", "-salvagewallet"));
        }
        // Rewrite just private keys: rescan to find transactions
        if (gArgs.SoftSetBoolArg("-rescan", true)) {
            LogPrintf("%s: parameter interaction: -salvagewallet=1 -> setting -rescan=1\n", __func__);
        }
    }

    bool zapwallettxes = gArgs.GetBoolArg("-zapwallettxes", false);
    // -zapwallettxes implies dropping the mempool on startup
    if (zapwallettxes && gArgs.SoftSetBoolArg("-persistmempool", false)) {
        LogPrintf("%s: parameter interaction: -zapwallettxes enabled -> setting -persistmempool=0\n", __func__);
    }

    // -zapwallettxes implies a rescan
    if (zapwallettxes) {
        if (is_multiwallet) {
            return InitError(strprintf("%s is only allowed with a single wallet file", "-zapwallettxes"));
        }
        if (gArgs.SoftSetBoolArg("-rescan", true)) {
            LogPrintf("%s: parameter interaction: -zapwallettxes enabled -> setting -rescan=1\n", __func__);
        }
    }

    if (is_multiwallet) {
        if (gArgs.GetBoolArg("-upgradewallet", false)) {
            return InitError(strprintf("%s is only allowed with a single wallet file", "-upgradewallet"));
        }
    }

    if (gArgs.GetBoolArg("-sysperms", false))
        return InitError("-sysperms is not allowed in combination with enabled wallet functionality");
    if (gArgs.GetArg("-prune", 0) && gArgs.GetBoolArg("-rescan", false))
        return InitError(_("Rescans are not possible in pruned mode. You will need to use -reindex which will download the whole blockchain again."));

    if (::minRelayTxFee.GetFeePerK() > HIGH_TX_FEE_PER_KB)
        InitWarning(AmountHighWarn("-minrelaytxfee") + " " +
                    _("The wallet will avoid paying less than the minimum relay fee."));

    if (gArgs.IsArgSet("-maxtxfee"))
    {
        CAmount nMaxFee = 0;
        if (!ParseMoney(gArgs.GetArg("-maxtxfee", ""), nMaxFee))
            return InitError(AmountErrMsg("maxtxfee", gArgs.GetArg("-maxtxfee", "")));
        if (nMaxFee > HIGH_MAX_TX_FEE)
            InitWarning(_("-maxtxfee is set very high! Fees this large could be paid on a single transaction."));
        maxTxFee = nMaxFee;
        if (CFeeRate(maxTxFee, 1000) < ::minRelayTxFee)
        {
            return InitError(strprintf(_("Invalid amount for -maxtxfee=<amount>: '%s' (must be at least the minrelay fee of %s to prevent stuck transactions)"),
                                       gArgs.GetArg("-maxtxfee", ""), ::minRelayTxFee.ToString()));
        }
    }

    return true;
}