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askrene: add a dev parameter to switch algorithm

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Signed-off-by: Lagrang3 <lagrang3@protonmail.com>
This commit is contained in:
Lagrang3
2025-07-10 23:45:06 +09:30
committed by Rusty Russell
parent 4500818312
commit 34cf3334f8
1 changed files with 26 additions and 1 deletions
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27
plugins/askrene/askrene.c
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@@ -331,11 +331,31 @@ const char *fmt_flow_full(const tal_t *ctx,
return str;
}
enum algorithm {
ALGO_DEFAULT,
};
static struct command_result *
param_algorithm(struct command *cmd, const char *name, const char *buffer,
const jsmntok_t *tok, enum algorithm **algo)
{
const char *algo_str = json_strdup(cmd, buffer, tok);
*algo = tal(cmd, enum algorithm);
if (streq(algo_str, "default"))
**algo = ALGO_DEFAULT;
else
return command_fail_badparam(cmd, name, buffer, tok,
"unknown algorithm");
return NULL;
}
struct getroutes_info {
struct command *cmd;
struct node_id source, dest;
struct amount_msat amount, maxfee;
u32 finalcltv, maxdelay;
/* algorithm selection, only dev */
enum algorithm dev_algo;
const char **layers;
struct additional_cost_htable *additional_costs;
/* Non-NULL if we are told to use "auto.localchans" */
@@ -567,8 +587,9 @@ static struct command_result *do_getroutes(struct command *cmd,
}
/* Compute the routes. At this point we might select between multiple
* algorithms. */
* algorithms. Right now there is only one algorithm available. */
struct timemono time_start = time_mono();
assert(info->dev_algo == ALGO_DEFAULT);
err = default_routes(rq, rq, srcnode, dstnode, info->amount,
/* only one path? = */
have_layer(info->layers, "auto.no_mpp_support"),
@@ -722,6 +743,7 @@ static struct command_result *json_getroutes(struct command *cmd,
struct node_id *source, *dest;
struct amount_msat *amount, *maxfee;
u32 *finalcltv, *maxdelay;
enum algorithm *dev_algo;
if (!param_check(cmd, buffer, params,
p_req("source", param_node_id, &source),
@@ -732,6 +754,8 @@ static struct command_result *json_getroutes(struct command *cmd,
p_req("final_cltv", param_u32, &finalcltv),
p_opt_def("maxdelay", param_u32, &maxdelay,
maxdelay_allowed),
p_opt_dev("dev_algorithm", param_algorithm,
&dev_algo, ALGO_DEFAULT),
NULL))
return command_param_failed();
plugin_log(cmd->plugin, LOG_TRACE, "%s called: %.*s", __func__,
@@ -758,6 +782,7 @@ static struct command_result *json_getroutes(struct command *cmd,
info->maxfee = *maxfee;
info->finalcltv = *finalcltv;
info->maxdelay = *maxdelay;
info->dev_algo = *dev_algo;
info->additional_costs = tal(info, struct additional_cost_htable);
additional_cost_htable_init(info->additional_costs);