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libplugin-pay: incorporate gossip store.

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So we can use this for routing determinations.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2020-10-20 14:32:00 +10:30
parent 92f2461b5d
commit eadf2c91fe
4 changed files with 20 additions and 3 deletions
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15
plugins/libplugin-pay.c
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@@ -1,13 +1,19 @@
#include <bitcoin/preimage.h>
#include <ccan/array_size/array_size.h>
#include <ccan/tal/str/str.h>
#include <common/dijkstra.h>
#include <common/gossmap.h>
#include <common/json_helpers.h>
#include <common/json_stream.h>
#include <common/memleak.h>
#include <common/pseudorand.h>
#include <common/random_select.h>
#include <common/type_to_string.h>
#include <errno.h>
#include <plugins/libplugin-pay.h>
static struct gossmap *gossmap;
/* BOLT #11:
* * `c` (24): `data_length` variable.
* `min_final_cltv_expiry` to use for the last HTLC in the route.
@@ -23,6 +29,15 @@ struct payment *payment_new(tal_t *ctx, struct command *cmd,
static u64 next_id = 0;
/* Now we're actually creating a payment, load gossip store */
if (!gossmap) {
gossmap = notleak_with_children(gossmap_load(NULL,
GOSSIP_STORE_FILENAME));
if (!gossmap)
plugin_err(cmd->plugin, "Could not load gossmap %s: %s",
GOSSIP_STORE_FILENAME, strerror(errno));
}
p->children = tal_arr(p, struct payment *, 0);
p->parent = parent;
p->modifiers = mods;