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renepay: timer to remove payment layer after 1h

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Signed-off-by: Lagrang3 <lagrang3@protonmail.com>
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Lagrang3 2025-02-19 12:24:25 +01:00
parent 6ab9d5494e
commit c2925cfdd1
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GPG key ID: 85795C84850E6284
1 changed files with 39 additions and 2 deletions
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41
plugins/renepay/mods.c
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@ -5,6 +5,7 @@
#include <common/bolt11.h>
#include <common/gossmods_listpeerchannels.h>
#include <common/json_stream.h>
#include <common/memleak.h>
#include <plugins/renepay/json.h>
#include <plugins/renepay/mcf.h>
#include <plugins/renepay/mods.h>
@ -1165,6 +1166,38 @@ static struct command_result *createlayer_fail(struct command *cmd,
return payment_continue(payment);
}
static struct command_result *remove_layer_done(struct command *cmd,
const char *method UNUSED,
const char *buf UNUSED,
const jsmntok_t *tok UNUSED,
struct payment *payment UNUSED)
{
return timer_complete(cmd);
}
static struct command_result *remove_layer_fail(struct command *cmd,
const char *method,
const char *buf,
const jsmntok_t *tok,
struct payment *payment)
{
plugin_log(cmd->plugin, LOG_UNUSUAL, "%s failed: '%.*s'", method,
json_tok_full_len(tok), json_tok_full(buf, tok));
return remove_layer_done(cmd, method, buf, tok, payment);
}
static struct command_result *remove_payment_layer(struct command *cmd,
struct payment *payment)
{
struct out_req *req = jsonrpc_request_start(cmd, "askrene-remove-layer",
remove_layer_done,
remove_layer_fail, payment);
json_add_string(req->js, "layer", payment->payment_layer);
plugin_log(cmd->plugin, LOG_DBG, "removing payment layer: %s",
payment->payment_layer);
return send_outreq(req);
}
static struct command_result *initpaymentlayer_cb(struct payment *payment)
{
struct command *cmd = payment_command(payment);
@ -1173,8 +1206,12 @@ static struct command_result *initpaymentlayer_cb(struct payment *payment)
createlayer_done, createlayer_fail, payment);
json_add_string(req->js, "layer", payment->payment_layer);
json_add_bool(req->js, "persistent", false);
// FIXME: add automatic expiration? see PR 7963
// json_add_u64(req->js, "expiration", 24*60*60); // 24 hours
/* Remove this payment layer after one hour. If the plugin crashes
* unexpectedly, we might "leak" by forgetting to remove the layer, but
* the layer is not persistent anyways, therefore restarting CLN will
* remove it. */
notleak(global_timer(cmd->plugin, time_from_sec(3600),
remove_payment_layer, payment));
return send_outreq(req);
}