lightningd: move notify_new_block() callback to peer_htlcs.

And change prototype to take the lightningd structure.

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

lightningd/chaintopology.c

@@ -92,8 +92,8 @@ static void connect_block(struct chain_topology *topo,
 	}
 	b->full_txs = tal_free(b->full_txs);
 
-	/* Tell peers about new block. */
-	notify_new_block(topo, b->height);
+	/* Tell lightningd about new block. */
+	notify_new_block(topo->bitcoind->ld, b->height);
 }
 
 static const struct bitcoin_tx *tx_in_block(const struct block *b,

lightningd/chaintopology.h

@@ -156,7 +156,7 @@ void setup_topology(struct chain_topology *topology,
 
 struct txlocator *locate_tx(const void *ctx, const struct chain_topology *topo, const struct sha256_double *txid);
 
-void notify_new_block(struct chain_topology *topo, unsigned int height);
+void notify_new_block(struct lightningd *ld, unsigned int height);
 
 #if DEVELOPER
 void json_dev_broadcast(struct command *cmd,

lightningd/lightningd.c

@@ -32,12 +32,6 @@
 
 char *bitcoin_datadir;
 
-void notify_new_block(struct chain_topology *topo, u32 height);
-void notify_new_block(struct chain_topology *topo, u32 height)
-{
-	/* FIXME */
-}
-
 void db_resolve_invoice(struct lightningd *ld,
 			const char *label);
 void db_resolve_invoice(struct lightningd *ld,

lightningd/peer_htlcs.c

@@ -1425,3 +1425,9 @@ void peer_htlcs(const tal_t *ctx,
 				    fulfilled_htlcs, fulfilled_sides);
 	}
 }
+
+void notify_new_block(struct lightningd *ld, u32 height)
+{
+	/* FIXME */
+}
+