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libplugin: Add callbacks for successful and failed payments

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We're about to suspend duplicate calls to `pay` and this will help us
notify them if the original payment completes.
This commit is contained in:
Christian Decker
2021-10-04 21:13:11 +02:00
committed by Rusty Russell
parent ce3d3d8e54
commit 99f6faaabb
3 changed files with 28 additions and 0 deletions
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11
plugins/libplugin-pay.c
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@@ -66,6 +66,8 @@ struct payment *payment_new(tal_t *ctx, struct command *cmd,
p->routetxt = NULL;
p->max_htlcs = UINT32_MAX;
p->aborterror = NULL;
p->on_payment_success = NULL;
p->on_payment_failure = NULL;
/* Copy over the relevant pieces of information. */
if (parent != NULL) {
@@ -1869,6 +1871,10 @@ static void payment_finished(struct payment *p)
assert(result.leafstates & PAYMENT_STEP_SUCCESS);
assert(result.preimage != NULL);
/* Call any callback we might have registered. */
if (p->on_payment_success != NULL)
p->on_payment_success(p);
ret = jsonrpc_stream_success(cmd);
json_add_node_id(ret, "destination", p->destination);
json_add_sha256(ret, "payment_hash", p->payment_hash);
@@ -1911,6 +1917,9 @@ static void payment_finished(struct payment *p)
if (command_finished(cmd, ret)) {/* Ignore result. */}
return;
} else if (result.failure == NULL || result.failure->failcode < NODE) {
if (p->on_payment_failure != NULL)
p->on_payment_failure(p);
/* This is failing because we have no more routes to try */
msg = tal_fmt(cmd,
"Ran out of routes to try after "
@@ -1929,6 +1938,8 @@ static void payment_finished(struct payment *p)
} else {
struct payment_result *failure = result.failure;
assert(failure!= NULL);
if (p->on_payment_failure != NULL)
p->on_payment_failure(p);
ret = jsonrpc_stream_fail(cmd, failure->code,
failure->message);