Add share cards

ckpool/patches/0008-log-best-share-pow-data.patch

@@ -5,15 +5,15 @@ index 7940d4fa..a856b3eb 100644
 @@ -5865,6 +5865,65 @@ out_nouserwb:
  	return wb->coinb2bin;
  }
- 
+
 +/* Kamado (patches/0008): highest share diff for which PoW reproduction
-+ * data has been logged in this process run. Deliberately unlocked — a
++ * data has been logged in this process run. Deliberately unlocked, a
 + * race between share-processing threads can at worst emit a duplicate
 + * or out-of-order log line, which kamado-api deduplicates by diff. */
 +static double best_pow_diff;
 +
 +/* Kamado (patches/0008): log everything needed to independently
-+ * reproduce and verify the proof of work of a best share — the
++ * reproduce and verify the proof of work of a best share, the
 + * serialized 80-byte block header exactly as it was hashed, plus the
 + * assembled coinbase transaction and merkle branch hashes that
 + * reproduce the merkle root committed in that header. kamado-api
@@ -56,7 +56,7 @@ index 7940d4fa..a856b3eb 100644
 +	if (likely(s)) {
 +		/* Call logmsg directly rather than LOGNOTICE: the LOGMSG
 +		 * macro splits messages into DEFLOGBUFSIZ (512-byte) chunks,
-+		 * each written as a separate timestamped log line — and its
++		 * each written as a separate timestamped log line, and its
 +		 * length arithmetic drops everything past ~3 chunks. This
 +		 * record is ~2.5KB of JSON that kamado-api must read back as
 +		 * one intact line. logmsg itself is unbounded. */
@@ -71,13 +71,13 @@ index 7940d4fa..a856b3eb 100644
 @@ -5937,6 +5996,19 @@ static double submission_diff(sdata_t *sdata, const stratum_instance_t *client,
  	/* Calculate the diff of the share here */
  	ret = diff_from_target(hash);
- 
+
 +	/* Kamado (patches/0008): if this is the highest-diff share this
 +	 * process has seen, log full PoW reproduction data for the
 +	 * dashboard's best-share header inspector. Skip shares that will
 +	 * be rejected: stale ones, and those outside the ntime roll
 +	 * window (mirrors the check in parse_submit). Duplicates cannot
-+	 * trigger this — an identical share has an equal, not greater,
++	 * trigger this, an identical share has an equal, not greater,
 +	 * diff. */
 +	if (unlikely(ret > best_pow_diff && !stale &&
 +		     ntime32 >= wb->ntime32 && ntime32 <= wb->ntime32 + 7000)) {
@@ -87,4 +87,4 @@ index 7940d4fa..a856b3eb 100644
 +
  	/* Test we haven't solved a block regardless of share status */
  	test_blocksolve(client, wb, swap, hash, ret, coinbase, cblen, nonce2, nonce, ntime32, version_mask, stale);
- 
+