ckdb - store shares with unknown usernames

src/ckdb.h

@@ -58,7 +58,7 @@
 
 #define DB_VLOCK "1"
 #define DB_VERSION "1.0.7"
-#define CKDB_VERSION DB_VERSION"-2.510"
+#define CKDB_VERSION DB_VERSION"-2.511"
 
 #define WHERE_FFL " - from %s %s() line %d"
 #define WHERE_FFL_HERE __FILE__, __func__, __LINE__
@@ -1844,6 +1844,9 @@ typedef struct users {
 // Address account, not a username account
 #define USER_ADDRESS 0x1
 
+// Username created due to a share that had an unknown username
+#define USER_MISSING 0x2
+
 // 16 x base 32 (5 bits) = 10 bytes (8 bits)
 #define TOTPAUTH_KEYSIZE 10
 #define TOTPAUTH_DSP_KEYSIZE 16
@@ -3652,11 +3655,14 @@ extern bool users_update(PGconn *conn, K_ITEM *u_item, char *oldhash,
 			 int *event);
 extern K_ITEM *users_add(PGconn *conn, INTRANSIENT *in_username,
 			 char *emailaddress, char *passwordhash,
-			 int64_t userbits, char *by, char *code, char *inet,
+			 char *secondaryuserid, int64_t userbits, char *by,
-			 tv_t *cd, K_TREE *trf_root);
+			 char *code, char *inet, tv_t *cd, K_TREE *trf_root);
 extern bool users_replace(PGconn *conn, K_ITEM *u_item, K_ITEM *old_u_item,
 			  char *by, char *code, char *inet, tv_t *cd,
 			  K_TREE *trf_root);
+extern K_ITEM *create_missing_user(PGconn *conn, char *username,
+				   char *secondaryuserid, char *by, char *code,
+				   char *inet, tv_t *cd, K_TREE *trf_root);
 extern bool users_fill(PGconn *conn);
 extern bool useratts_item_add(PGconn *conn, K_ITEM *ua_item, tv_t *cd,
 				bool begun);

src/ckdb_cmd.c

@@ -72,8 +72,9 @@ static char *cmd_adduser(PGconn *conn, char *cmd, char *id, tv_t *now, char *by,
 		if (event == EVENT_OK) {
 			u_item = users_add(conn, in_username,
 						 transfer_data(i_emailaddress),
-						 transfer_data(i_passwordhash), 0,
+						 transfer_data(i_passwordhash),
-						 by, code, inet, now, trf_root);
+						 NULL, 0, by, code, inet, now,
+						 trf_root);
 		}
 	}
 
@@ -3116,7 +3117,7 @@ static char *cmd_auth_do(PGconn *conn, char *cmd, char *id, char *by,
 				DATA_OPTIONCONTROL(optioncontrol, oc_item);
 				u_item = users_add(conn, in_username, EMPTY,
 						   optioncontrol->optionvalue,
-						   0, by, code, inet, cd,
+						   NULL, 0, by, code, inet, cd,
 						   trf_root);
 			} else
 				ok = false;

src/ckdb_dbio.c

@@ -706,8 +706,9 @@ unparam:
 }
 
 K_ITEM *users_add(PGconn *conn, INTRANSIENT *in_username, char *emailaddress,
-			char *passwordhash, int64_t userbits, char *by,
+			char *passwordhash, char *secondaryuserid,
-			char *code, char *inet, tv_t *cd, K_TREE *trf_root)
+			int64_t userbits, char *by, char *code, char *inet,
+			tv_t *cd, K_TREE *trf_root)
 {
 	ExecStatusType rescode;
 	bool conned = false;
@@ -771,9 +772,14 @@ K_ITEM *users_add(PGconn *conn, INTRANSIENT *in_username, char *emailaddress,
 	row->status[0] = '\0';
 	STRNCPY(row->emailaddress, emailaddress);
 
-	snprintf(tohash, sizeof(tohash), "%s&#%s", in_username->str, emailaddress);
+	if (secondaryuserid == NULL) {
+		snprintf(tohash, sizeof(tohash), "%s&#%s",
+						 in_username->str,
+						 emailaddress);
 		HASH_BER(tohash, strlen(tohash), 1, hash, tmp);
 		__bin2hex(row->secondaryuserid, (void *)(&hash), sizeof(hash));
+	} else
+		STRNCPY(row->secondaryuserid, secondaryuserid);
 
 	make_salt(row);
 	if (passwordhash == EMPTY) {
@@ -969,6 +975,27 @@ unparam:
 	return ok;
 }
 
+/* If a share contains an unknown username then it will most likely be from
+ *  reloading a data file when the users table is incomplete or corrupt
+ * Since the share is valid, it should be counted against the pool stats and
+ *  creating a user also means the payout rewards are calculated correctly
+ * This also gives 2 options to resolve it later:
+ *  1) Correct the database/redistribute the rewards to the correct user
+ *  2) Rollback the database and reload it with a corrected users table
+ *  Option 1) gives a simpler solution vs option 2) if 2) is too far in
+ *   the past to easily do a reload */
+K_ITEM *create_missing_user(PGconn *conn, char *username, char *secondaryuserid,
+			    char *by, char *code, char *inet, tv_t *cd,
+			    K_TREE *trf_root)
+{
+	INTRANSIENT *in_username;
+
+	in_username = get_intransient("username", username);
+
+	return users_add(conn, in_username, EMPTY, EMPTY, secondaryuserid,
+			 USER_MISSING, by, code, inet, cd, trf_root);
+}
+
 bool users_fill(PGconn *conn)
 {
 	ExecStatusType rescode;
@@ -3656,7 +3683,8 @@ static bool shares_process(PGconn *conn, SHARES *shares, K_ITEM *wi_item,
 				    shares->createcode, shares->createinet,
 				    &(shares->createdate), trf_root);
 	if (!w_item) {
-		LOGDEBUG("%s(): new_default_worker failed %"PRId64"/%s/%ld,%ld",
+		LOGERR("%s(): ERR new_default_worker failed"
+			" %"PRId64"/%s/%ld,%ld",
 			__func__, shares->userid,
 			st = safe_text_nonull(shares->in_workername),
 			shares->createdate.tv_sec, shares->createdate.tv_usec);
@@ -3671,7 +3699,7 @@ static bool shares_process(PGconn *conn, SHARES *shares, K_ITEM *wi_item,
 					   MARKER_PROCESSED, NULL);
 		K_RUNLOCK(workmarkers_free);
 		if (wm_item) {
-			LOGDEBUG("%s(): workmarker exists for wid %"PRId64
+			LOGERR("%s(): ERR workmarker exists for wid %"PRId64
 				" %"PRId64"/%s/%ld,%ld",
 				__func__, shares->workinfoid, shares->userid,
 				st = safe_text_nonull(shares->in_workername),
@@ -3875,18 +3903,31 @@ bool shares_add(PGconn *conn, char *workinfoid, char *username,
 	K_RLOCK(users_free);
 	u_item = find_users(username);
 	K_RUNLOCK(users_free);
-	/* Can't change outside lock since we don't delete users
+	/* Won't change outside lock since we don't delete users
 	 *  or change their *userid */
 	if (!u_item) {
-		btv_to_buf(cd, cd_buf, sizeof(cd_buf));
 		/* This should never happen unless there's a bug in ckpool
 		    or the authentication information got to ckdb after
-		    the shares ... which shouldn't ever happen */
+		    the shares or the users table is missing data ...
-		LOGERR("%s() %s/%ld,%ld %s no user! Share discarded!",
+			which shouldn't ever happen
+		   However, since it's a valid share, store it */
+		u_item = create_missing_user(conn, username, secondaryuserid,
+					     by, code, inet, cd, trf_root);
+		btv_to_buf(cd, cd_buf, sizeof(cd_buf));
+		if (!u_item) {
+			LOGERR("%s() ERR %s/%ld,%ld %s no/failed user! Share"
+				" discarded!",
 				__func__, st = safe_text_nonull(username),
 				cd->tv_sec, cd->tv_usec, cd_buf);
 			FREENULL(st);
 			goto tisbad;
+		} else {
+			DATA_USERS(users, u_item);
+			LOGERR("%s() MISSING %s/%ld,%ld %s created",
+				__func__, st = safe_text_nonull(username),
+				cd->tv_sec, cd->tv_usec, cd_buf);
+			FREENULL(st);
+		}
 	}
 	DATA_USERS(users, u_item);
 	shares->userid = users->userid;
@@ -7818,8 +7859,8 @@ bool auths_add(PGconn *conn, INTRANSIENT *in_poolinstance,
 	if (!u_item) {
 		if (addressuser) {
 			u_item = users_add(conn, in_username, EMPTY, EMPTY,
-					   USER_ADDRESS, by, code, inet, cd,
+					   NULL, USER_ADDRESS, by, code, inet,
-					   trf_root);
+					   cd, trf_root);
 		} else {
 			LOGDEBUG("%s(): unknown user '%s'",
 				 __func__,