Function get_new_block

lightningd/chaintopology.c:1090–1121

}

static void get_new_block(struct bitcoind *bitcoind,
			  u32 height,
			  struct bitcoin_blkid *blkid,
			  struct bitcoin_block *blk,
			  struct chain_topology *topo)
{
	if (!blkid && !blk) {
		/* No such block, we're done. */
		updates_complete(topo);
		trace_span_end(topo);
		return;
	}
	assert(blkid && blk);

	/* Annotate all transactions with the chainparams */
	for (size_t i = 0; i < tal_count(blk->tx); i++)
		blk->tx[i]->chainparams = chainparams;

	/* Unexpected predecessor?  Free predecessor, refetch it. */
	if (!bitcoin_blkid_eq(&topo->tip->blkid, &blk->hdr.prev_hash))
		remove_tip(topo);
	else {
		add_tip(topo, new_block(topo, blk, height));

		/* tell plugins a new block was processed */
		notify_block_added(topo->ld, topo->tip);
	}

	/* Try for next one. */
	trace_span_end(topo);
	try_extend_tip(topo);
}

static void try_extend_tip(struct chain_topology *topo)
{