Revert "gossipd: handle premature node_announcements in the store."

This reverts commit e2f426903d.

With the new store version, this can't happen.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

gossipd/gossip_store.c

@@ -251,12 +251,9 @@ void gossip_store_load(struct routing_state *rstate, struct gossip_store *gs)
 	/* We set/check version byte on creation */
 	off_t known_good = 1;
 	const char *bad;
-	size_t stats[] = {0, 0, 0, 0, 0};
+	size_t stats[] = {0, 0, 0, 0};
 	int fd = gs->fd;
 	gs->fd = -1;
-	bool unknown_node;
-	size_t num_delayed_na = 0;
-	u8 **delayed_na = tal_arr(tmpctx, u8 *, num_delayed_na);
 
 	if (lseek(fd, known_good, SEEK_SET) < 0) {
 		status_unusual("gossip_store: lseek failure");
@@ -297,18 +294,11 @@ void gossip_store_load(struct routing_state *rstate, struct gossip_store *gs)
 			stats[1]++;
 		} else if (fromwire_gossip_store_node_announcement(msg, msg,
 								   &gossip_msg)) {
-			if (!routing_add_node_announcement(rstate, gossip_msg,
-							   &unknown_node)) {
-				if (!unknown_node) {
-					bad = "Bad node_announcement";
-					goto truncate;
-				}
-				/* Defer until later. */
-				tal_resize(&delayed_na, num_delayed_na+1);
-				delayed_na[num_delayed_na++]
-					= tal_steal(delayed_na, gossip_msg);
-			} else
-				stats[2]++;
+			if (!routing_add_node_announcement(rstate, gossip_msg)) {
+				bad = "Bad node_announcement";
+				goto truncate;
+			}
+			stats[2]++;
 		} else if (fromwire_gossip_store_channel_delete(msg, &scid)) {
 			struct chan *c = get_channel(rstate, &scid);
 			if (!c) {
@@ -328,15 +318,6 @@ void gossip_store_load(struct routing_state *rstate, struct gossip_store *gs)
 		gs->count++;
 		tal_free(msg);
 	}
-
-	for (size_t i = 0; i < tal_count(delayed_na); i++) {
-		if (routing_add_node_announcement(rstate, delayed_na[i], NULL)) {
-			stats[2]++;
-			stats[4]++;
-		}
-	}
-	status_trace("Successfully processed %zu/%zu unknown node_announcement",
-		     stats[4], tal_count(delayed_na));
 	goto out;
 
 truncate:

gossipd/routing.c

@@ -1285,9 +1285,7 @@ static struct wireaddr *read_addresses(const tal_t *ctx, const u8 *ser)
 	return wireaddrs;
 }
 
-bool routing_add_node_announcement(struct routing_state *rstate,
-				   const u8 *msg TAKES,
-				   bool *unknown_node)
+bool routing_add_node_announcement(struct routing_state *rstate, const u8 *msg TAKES)
 {
 	struct node *node;
 	secp256k1_ecdsa_signature signature;
@@ -1301,21 +1299,15 @@ bool routing_add_node_announcement(struct routing_state *rstate,
 	if (!fromwire_node_announcement(tmpctx, msg,
 					&signature, &features, &timestamp,
 					&node_id, rgb_color, alias,
-					&addresses)) {
-		if (unknown_node)
-			*unknown_node = false;
+					&addresses))
 		return false;
-	}
 
 	node = get_node(rstate, &node_id);
 
 	/* May happen if we accepted the node_announcement due to a local
 	* channel, for which we didn't have the announcement yet. */
-	if (node == NULL) {
-		if (unknown_node)
-			*unknown_node = true;
+	if (node == NULL)
 		return false;
-	}
 
 	wireaddrs = read_addresses(tmpctx, addresses);
 	tal_free(node->addresses);
@@ -1468,7 +1460,7 @@ u8 *handle_node_announcement(struct routing_state *rstate, const u8 *node_ann)
 	status_trace("Received node_announcement for node %s",
 		     type_to_string(tmpctx, struct pubkey, &node_id));
 
-	applied = routing_add_node_announcement(rstate, serialized, NULL);
+	applied = routing_add_node_announcement(rstate, serialized);
 	assert(applied);
 	return NULL;
 }

gossipd/routing.h

@@ -312,13 +312,9 @@ bool routing_add_channel_update(struct routing_state *rstate,
  * Directly add the node being announced to the network view, without verifying
  * it. This must be from a trusted source, e.g., gossip_store. For untrusted
  * sources (peers) please use @see{handle_node_announcement}.
- *
- * Populates *unknown_node if it isn't NULL and this returns false to indicate
- * if failure was due to an unknown node_id.
  */
 bool routing_add_node_announcement(struct routing_state *rstate,
-				   const u8 *msg TAKES,
-				   bool *unknown_node);
+                                  const u8 *msg TAKES);
 
 
 /**

tests/test_gossip.py

@@ -823,10 +823,6 @@ def test_gossip_store_load(node_factory):
     l1 = node_factory.get_node(start=False)
     with open(os.path.join(l1.daemon.lightning_dir, 'gossip_store'), 'wb') as f:
         f.write(bytearray.fromhex("03"  # GOSSIP_VERSION
-                                  "00000099"  # len
-                                  "12abbbba"  # csum
-                                  "1002"  # WIRE_GOSSIP_STORE_NODE_ANNOUNCEMENT
-                                  "00950101cf5d870bc7ecabcb7cd16898ef66891e5f0c6c5851bd85b670f03d325bc44d7544d367cd852e18ec03f7f4ff369b06860a3b12b07b29f36fb318ca11348bf8ec00005aab817c03f113414ebdc6c1fb0f33c99cd5a1d09dd79e7fdf2468cf1fe1af6674361695d23974b250757a7a6c6549544300000000000000000000000000000000000000000000000007010566933e2607"
                                   "000001bc"  # len
                                   "521ef598"  # csum
                                   "1000"  # WIRE_GOSSIP_STORE_CHANNEL_ANNOUNCEMENT
@@ -834,7 +830,11 @@ def test_gossip_store_load(node_factory):
                                   "00000086"  # len
                                   "88c703c8"  # csum
                                   "1001"  # WIRE_GOSSIP_STORE_CHANNEL_UPDATE
-                                  "008201021ea7c2eadf8a29eb8690511a519b5656e29aa0a853771c4e38e65c5abf43d907295a915e69e451f4c7a0c3dc13dd943cfbe3ae88c0b96667cd7d58955dbfedcf43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea33090000000013a63c0000b500015b8d9b440000009000000000000003e8000003e800000001"))
+                                  "008201021ea7c2eadf8a29eb8690511a519b5656e29aa0a853771c4e38e65c5abf43d907295a915e69e451f4c7a0c3dc13dd943cfbe3ae88c0b96667cd7d58955dbfedcf43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea33090000000013a63c0000b500015b8d9b440000009000000000000003e8000003e800000001"
+                                  "00000099"  # len
+                                  "12abbbba"  # csum
+                                  "1002"  # WIRE_GOSSIP_STORE_NODE_ANNOUNCEMENT
+                                  "00950101cf5d870bc7ecabcb7cd16898ef66891e5f0c6c5851bd85b670f03d325bc44d7544d367cd852e18ec03f7f4ff369b06860a3b12b07b29f36fb318ca11348bf8ec00005aab817c03f113414ebdc6c1fb0f33c99cd5a1d09dd79e7fdf2468cf1fe1af6674361695d23974b250757a7a6c6549544300000000000000000000000000000000000000000000000007010566933e2607"))
 
     l1.start()
     # May preceed the Started msg waited for in 'start'.