Add share cards

api/internal/logmon/tailer.go

@@ -1,4 +1,4 @@
-// Package logmon tails the ckpool log file looking for notable events —
+// Package logmon tails the ckpool log file looking for notable events,
 // primarily block-solve lines, which are the most reliable signal we have
 // that a block was found, short of a ZMQ hashblock subscription.
 //
@@ -39,7 +39,7 @@ type BlockEvent struct {
 }
 
 // AttemptEvent is emitted when ckpool logs a "Possible block solve"
-// or "Submitting possible block solve" line — i.e. ckpool decided a
+// or "Submitting possible block solve" line, i.e. ckpool decided a
 // share met network difficulty and is attempting to submit it to
 // bitcoind. This precedes the "Solved and confirmed" line that drives
 // BlockEvent. Counting attempts vs confirmations surfaces submission
@@ -52,7 +52,7 @@ type AttemptEvent struct {
 }
 
 // LatencyEvent is emitted when ckpool logs the "Block update latency"
-// line from our patch 0005 — the milliseconds between ZMQ trigger and
+// line from our patch 0005, the milliseconds between ZMQ trigger and
 // mining.notify broadcast completion.
 type LatencyEvent struct {
 	SeenAt    time.Time
@@ -156,8 +156,8 @@ var (
 	// The first number after "diff " is sdiff (share difficulty solved).
 	acceptedShareRE = regexp.MustCompile(`Accepted client \S+ share diff ([0-9.]+)/[^:]+:\s*([0-9a-fA-F]+)`)
 	// Rejected shares come in two forms:
-	//   1. "dupe diff" / "high diff" — share was valid but duplicate or below target
-	//   2. "invalid share <reason>" — share was structurally invalid (Stale, etc.)
+	//   1. "dupe diff" / "high diff", share was valid but duplicate or below target
+	//   2. "invalid share <reason>", share was structurally invalid (Stale, etc.)
 	rejectedDiffRE  = regexp.MustCompile(`Rejected client \S+ (\w+) diff [0-9.]+/`)
 	rejectedInvalRE = regexp.MustCompile(`Rejected client \S+ invalid share (.+)`)
 )
@@ -171,7 +171,7 @@ const powDataMarker = "Best share PoW data "
 
 // parsePowLine extracts the PoW record from a log line carrying
 // powDataMarker. It decodes exactly one JSON value starting at the first
-// '{' after the marker and deliberately ignores everything after it —
+// '{' after the marker and deliberately ignores everything after it,
 // production logs have carried trailing bytes after the closing brace,
 // which silently defeated an end-of-line-anchored regex. Returns
 // (nil, nil) when the marker is absent, and a non-nil error for a
@@ -368,7 +368,7 @@ func (t *Tailer) handleLine(line string) {
 			default:
 			}
 		}
-		// Don't return — an accepted share may also be a block solve,
+		// Don't return, an accepted share may also be a block solve,
 		// so let the solve-diff regex below get a chance to match too.
 	}
 	// Rejected share with diff info: "Rejected client <id> dupe|high diff ..."
@@ -407,7 +407,7 @@ func (t *Tailer) handleLine(line string) {
 		select {
 		case t.Attempts <- AttemptEvent{SeenAt: time.Now(), ShareDiff: d, RawLine: line}:
 		default:
-			// Best-effort metric — dropping is fine.
+			// Best-effort metric, dropping is fine.
 		}
 		return
 	}
@@ -484,7 +484,7 @@ func FindBestShareHash(path string) (float64, string) {
 // of any length can never abort the scan: an oversized line is passed to
 // fn truncated to the buffer size and its remainder is discarded. A
 // months-old production log with one pathological line must not silently
-// stop a backfill scan partway through — that failure mode is invisible
+// stop a backfill scan partway through, that failure mode is invisible
 // and permanent.
 func scanLines(f *os.File, fn func(line string)) error {
 	r := bufio.NewReaderSize(f, 256*1024)
@@ -513,7 +513,7 @@ var logStampRE = regexp.MustCompile(`^\[(\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2})`)
 // by an "Accepted client" line with the same hash. Used as a one-time
 // backfill when kamado-api holds no persisted record but the log
 // already contains some (fresh database, or PoW events dropped under
-// load) — without it the PoW inspector would sit empty until a share
+// load), without it the PoW inspector would sit empty until a share
 // beat ckpool's in-process best, which after a long uptime can take
 // arbitrarily long. The returned time is parsed from the log line's
 // timestamp; zero when unparseable. Returns a nil record if no confirmed