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pay: remove route when a payment fails partway.

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It's a bit harsh, but I'm assuming they'll get refreshed eventually.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2016-08-31 16:10:17 +09:30
parent d8af789bbb
commit 7bebfe265c
4 changed files with 103 additions and 9 deletions
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33
daemon/routing.c
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@@ -154,6 +154,39 @@ struct node_connection *add_connection(struct lightningd_state *dstate,
return c;
}
void remove_connection(struct lightningd_state *dstate,
const struct pubkey *src, const struct pubkey *dst)
{
struct node *from, *to;
size_t i, num_edges;
log_debug_struct(dstate->base_log, "Removing route from %s",
struct pubkey, src);
log_add_struct(dstate->base_log, " to %s", struct pubkey, dst);
from = get_node(dstate, src);
to = get_node(dstate, dst);
if (!from || !to) {
log_debug(dstate->base_log, "Not found: src=%p dst=%p",
from, to);
return;
}
num_edges = tal_count(from->out);
for (i = 0; i < num_edges; i++) {
if (from->out[i]->dst != to)
continue;
log_add(dstate->base_log, " Matched route %zu of %zu",
i, num_edges);
/* Destructor makes it delete itself */
tal_free(from->out[i]);
return;
}
log_add(dstate->base_log, " None of %zu routes matched", num_edges);
}
/* Too big to reach, but don't overflow if added. */
#define INFINITE 0x3FFFFFFFFFFFFFFFULL