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feat(mining): host a RandomX stratum pool from the node (v1.3.0+)

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Add an opt-in "Host a mining pool (stratum)" toggle so a v1.3.0+ node can run its native
RandomX stratum server for other miners to point at. Settings toggle + optional allow-IP/CIDR;
passes -stratum (+ -stratumallowip) to the daemon launch args, mirroring the -maxconnections
plumbing (EmbeddedDaemon::setStratumHosting <- DaemonController::syncSettings <- Settings).

Backwards compatible / safe by default:
- UI gated on daemon_version >= 1030000, so it's never offered where it would do nothing.
- The launch flag is harmless on older daemons (they ignore unknown args), and the toggle can
  only be enabled while connected to a v1.3.0+ node anyway.
- Blank allow-IP => the daemon serves loopback only (its safe default); entering a subnet opens
  it to that LAN, with an explicit exposure warning in the UI.
- Takes effect on the next daemon start/restart.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
DanS
2026-08-31 23:19:48 -05:00
co-authored by Claude Opus 4.8
parent 90e02b1ddd
commit aec996a9ce
7 changed files with 56 additions and 0 deletions
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src/ui/pages/settings_page.cpp
+27
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@@ -116,6 +116,8 @@ struct SettingsPageState {
LowSpecSnapshot low_spec_snapshot;
bool keep_daemon_running = false;
bool stop_external_daemon = false;
bool stratum_host = false; // O2: host a RandomX stratum pool from the node (v1.3.0+)
char stratum_allowip[64] = ""; // -stratumallowip subnet (blank = loopback only)
bool lite_lifecycle_expanded = false;
int lite_lifecycle_operation = 0;
char lite_wallet_path[256] = "";
@@ -420,6 +422,9 @@ static void loadSettingsPageState(config::Settings* settings) {
Layout::setUserFontScale(s_settingsState.font_scale); // sync with Layout on load
s_settingsState.keep_daemon_running = settings->getKeepDaemonRunning();
s_settingsState.stop_external_daemon = settings->getStopExternalDaemon();
s_settingsState.stratum_host = settings->getStratumHost();
std::snprintf(s_settingsState.stratum_allowip, sizeof(s_settingsState.stratum_allowip), "%s",
settings->getStratumAllowIp().c_str());
// Lite-server selection is managed entirely by the Network tab (not the Settings page).
s_settingsState.mine_when_idle = settings->getMineWhenIdle();
s_settingsState.mine_idle_delay = settings->getMineIdleDelay();
@@ -483,6 +488,8 @@ static void saveSettingsPageState(config::Settings* settings) {
settings->setFontScale(s_settingsState.font_scale);
settings->setKeepDaemonRunning(s_settingsState.keep_daemon_running);
settings->setStopExternalDaemon(s_settingsState.stop_external_daemon);
settings->setStratumHost(s_settingsState.stratum_host);
settings->setStratumAllowIp(s_settingsState.stratum_allowip);
// Lite-server selection is owned by the Network tab; the Settings page no longer writes it.
settings->setMineWhenIdle(s_settingsState.mine_when_idle);
settings->setMineIdleDelay(s_settingsState.mine_idle_delay);
@@ -1207,6 +1214,26 @@ void RenderSettingsPage(App* app) {
if (CB(TrId("stop_external", "stop_ext"), &s_settingsState.stop_external_daemon))
saveSettingsPageState(app->settings());
if (ImGui::IsItemHovered()) material::Tooltip("%s", TR("tt_stop_external"));
// O2: host a RandomX stratum pool from this node. Only offered on daemons that implement
// it (v1.3.0+, version encoded major*1e6+minor*1e4+rev*100+build), so we never show a
// toggle that does nothing. Takes effect on the next daemon start/restart. Blank allow-IP
// = loopback only (safe); a subnet opens it to that LAN.
if (app->state().daemon_version >= 1030000) {
if (CB(TrId("stratum_host", "strat_host"), &s_settingsState.stratum_host))
saveSettingsPageState(app->settings());
if (ImGui::IsItemHovered()) material::Tooltip("%s", TR("tt_stratum_host"));
if (s_settingsState.stratum_host) {
ImGui::TextDisabled(" %s", TR("stratum_host_hint"));
ImGui::SetNextItemWidth(220.0f * Layout::dpiScale());
if (ImGui::InputTextWithHint("##stratumallowip", TR("stratum_allowip_hint"),
s_settingsState.stratum_allowip, sizeof(s_settingsState.stratum_allowip)))
saveSettingsPageState(app->settings());
if (s_settingsState.stratum_allowip[0] != '\0')
ImGui::TextColored(ImVec4(0.95f, 0.75f, 0.25f, 1.0f), " %s",
TR("stratum_expose_warn"));
}
}
}
if (CB(TrId("verbose_logging", "verbose"), &s_settingsState.verbose_logging)) {
dragonx::util::Logger::instance().setVerbose(s_settingsState.verbose_logging);