satoshi
daa87e2352
When bitcoind is unreachable for 3+ consecutive polls and no block submission is pending, SIGTERM the ckpool process so miners disconnect and failover to backup pools. Adds a red dashboard banner when Bitcoin Core is down.
119 lines
3.5 KiB
Svelte
119 lines
3.5 KiB
Svelte
<script lang="ts">
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import { snap } from "../stores/snapshot.svelte";
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import { formatAgo } from "../format";
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// submit_gap > 0 means ckpool tried to submit at least one block that
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// never got the "Solved and confirmed" follow-up — so either bitcoind
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// rejected the submission or the RPC dropped. These are persistent
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// counters so the banner stays visible until the operator clears it
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// by inspecting bitcoind's logs.
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const submitGap = $derived.by(() => {
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const d = snap.data;
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if (!d) return 0;
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return Math.max(0, (d.block_submit_attempts ?? 0) - (d.block_submits_confirmed ?? 0));
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});
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// ZMQ stale = the tip has advanced but ZMQ didn't fire. ZMQ
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// delivers within milliseconds, so if the tip changed recently
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// but the last ZMQ event is much older, the subscriber is broken.
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// When no block has been mined, both ages grow together → no alarm.
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const zmqStale = $derived.by(() => {
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const d = snap.data;
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if (!d || !d.zmq_enabled || !d.has_last_zmq_event) return false;
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const zmqAge = d.last_zmq_event_age ?? 0;
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const tipAge = d.tip_changed_age ?? 0;
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// Alarm when ZMQ is 3+ min older than the last tip change.
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return zmqAge > tipAge + 180;
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});
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const bitcoindDown = $derived(snap.data != null && !snap.data.bitcoin_ok);
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</script>
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{#if bitcoindDown || submitGap > 0 || zmqStale}
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<div class="banners">
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{#if bitcoindDown}
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<div class="banner error">
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<span class="icon">!</span>
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<div class="text">
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<strong>Bitcoin Core is unreachable.</strong>
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Stratum server has been stopped — miners will failover to backup pools.
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Service will resume automatically when Bitcoin Core recovers.
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</div>
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</div>
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{/if}
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{#if submitGap > 0}
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<div class="banner warn">
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<span class="icon">!</span>
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<div class="text">
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<strong>Submit gap:</strong>
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{submitGap} block{submitGap === 1 ? "" : "s"} attempted but not
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confirmed by bitcoind. Investigate primary bitcoind logs —
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submission may have been rejected or the RPC dropped.
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</div>
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</div>
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{/if}
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{#if zmqStale}
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<div class="banner warn">
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<span class="icon">~</span>
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<div class="text">
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<strong>ZMQ subscriber stale.</strong>
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No <code>hashblock</code> frame from bitcoind in
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{formatAgo(Date.now() / 1000 - (snap.data?.last_zmq_event_age ?? 0))}.
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Tip changes will fall back to slower polling; check that
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bitcoind is reachable on its ZMQ port.
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</div>
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</div>
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{/if}
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</div>
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{/if}
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<style>
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.banners {
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display: flex;
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flex-direction: column;
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gap: 0.5rem;
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}
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.banner {
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display: flex;
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align-items: flex-start;
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gap: 0.6rem;
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padding: 0.65rem 0.85rem;
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border-radius: 6px;
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border: 1px solid transparent;
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line-height: 1.4;
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}
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.banner.warn {
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background: rgb(50, 40, 15);
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border-color: rgb(220, 170, 60);
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color: rgb(220, 180, 100);
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}
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.banner.error {
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background: rgb(50, 20, 20);
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border-color: rgb(220, 60, 60);
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color: rgb(230, 120, 120);
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}
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.icon {
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flex: 0 0 auto;
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width: 1.5em;
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height: 1.5em;
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border-radius: 50%;
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display: inline-flex;
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align-items: center;
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justify-content: center;
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font-weight: 700;
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font-size: 0.9em;
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background: currentColor;
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color: var(--bg, #111);
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}
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.text {
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flex: 1 1 auto;
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font-size: 0.92em;
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}
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.banner code {
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font-size: 0.9em;
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padding: 0.05em 0.3em;
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border-radius: 3px;
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background: rgba(255, 255, 255, 0.07);
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}
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</style>
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