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;
}
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;
}