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waitsendpay: add partid arg.

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We need to be able to wait for a unique payment, now payment_hash is not
always unique.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2019-12-12 10:22:32 +10:30
committed by Christian Decker
parent 63fffd41c8
commit b670b51fa2
2 changed files with 31 additions and 8 deletions
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24
lightningd/pay.c
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@@ -37,6 +37,7 @@ struct sendpay_command {
struct list_node list;
struct sha256 payment_hash;
u64 partid;
struct command *cmd;
};
@@ -50,11 +51,13 @@ static void destroy_sendpay_command(struct sendpay_command *pc)
static void
add_sendpay_waiter(struct lightningd *ld,
struct command *cmd,
const struct sha256 *payment_hash)
const struct sha256 *payment_hash,
u64 partid)
{
struct sendpay_command *pc = tal(cmd, struct sendpay_command);
pc->payment_hash = *payment_hash;
pc->partid = partid;
pc->cmd = cmd;
list_add(&ld->sendpay_commands, &pc->list);
tal_add_destructor(pc, destroy_sendpay_command);
@@ -65,11 +68,13 @@ add_sendpay_waiter(struct lightningd *ld,
static void
add_waitsendpay_waiter(struct lightningd *ld,
struct command *cmd,
const struct sha256 *payment_hash)
const struct sha256 *payment_hash,
u64 partid)
{
struct sendpay_command *pc = tal(cmd, struct sendpay_command);
pc->payment_hash = *payment_hash;
pc->partid = partid;
pc->cmd = cmd;
list_add(&ld->waitsendpay_commands, &pc->list);
tal_add_destructor(pc, destroy_sendpay_command);
@@ -252,6 +257,8 @@ static void tell_waiters_failed(struct lightningd *ld,
list_for_each_safe(&ld->waitsendpay_commands, pc, next, list) {
if (!sha256_eq(payment_hash, &pc->payment_hash))
continue;
if (payment->partid != pc->partid)
continue;
sendpay_fail(pc->cmd, payment,
pay_errcode, onionreply, fail, details);
@@ -269,6 +276,8 @@ static void tell_waiters_success(struct lightningd *ld,
list_for_each_safe(&ld->waitsendpay_commands, pc, next, list) {
if (!sha256_eq(payment_hash, &pc->payment_hash))
continue;
if (payment->partid != pc->partid)
continue;
sendpay_success(pc->cmd, payment);
}
@@ -623,9 +632,12 @@ static struct command_result *wait_payment(struct lightningd *ld,
payment_hash));
}
log_debug(cmd->ld->log, "Payment part %"PRIu64"/%"PRIu64" status %u",
partid, payment->partid, payment->status);
switch (payment->status) {
case PAYMENT_PENDING:
add_waitsendpay_waiter(ld, cmd, payment_hash);
add_waitsendpay_waiter(ld, cmd, payment_hash, partid);
return NULL;
case PAYMENT_COMPLETE:
@@ -913,7 +925,7 @@ send_payment_core(struct lightningd *ld,
/* We write this into db when HTLC is actually sent. */
wallet_payment_setup(ld->wallet, payment);
add_sendpay_waiter(ld, cmd, rhash);
add_sendpay_waiter(ld, cmd, rhash, partid);
return command_still_pending(cmd);
}
@@ -1344,14 +1356,16 @@ static struct command_result *json_waitsendpay(struct command *cmd,
struct sha256 *rhash;
unsigned int *timeout;
struct command_result *res;
u64 *partid;
if (!param(cmd, buffer, params,
p_req("payment_hash", param_sha256, &rhash),
p_opt("timeout", param_number, &timeout),
p_opt_def("partid", param_u64, &partid, 0),
NULL))
return command_param_failed();
res = wait_payment(cmd->ld, cmd, rhash, /* FIXME: Set partid! */0);
res = wait_payment(cmd->ld, cmd, rhash, *partid);
if (res)
return res;