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offers: use node_id not scid inside blinded path.

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Without this, it was broken because our peer will no longer forward
via scids for private channels.  We could use the scid alias, but the
node id is right at hand.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2024-05-14 21:11:24 +09:30 • committed by Alex Myers
parent 847208f5d8
commit 8b5bf716a8
1 changed files with 4 additions and 3 deletions
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7
plugins/offers_invreq_hook.c
View file

@ -1,6 +1,7 @@
#include "config.h"
#include <bitcoin/chainparams.h>
#include <bitcoin/preimage.h>
#include <ccan/cast/cast.h>
#include <ccan/tal/str/str.h>
#include <common/bech32_util.h>
#include <common/blindedpath.h>
@ -258,7 +259,7 @@ static u8 *create_enctlv(const tal_t *ctx,
/* in and out */
struct privkey *blinding,
const struct pubkey *node_id,
struct short_channel_id *next_scid,
const struct pubkey *next_node_id,
struct tlv_encrypted_data_tlv_payment_relay *payment_relay,
struct tlv_encrypted_data_tlv_payment_constraints *payment_constraints,
u8 *path_secret,
@ -266,7 +267,7 @@ static u8 *create_enctlv(const tal_t *ctx,
{
struct tlv_encrypted_data_tlv *tlv = tlv_encrypted_data_tlv_new(tmpctx);
tlv->short_channel_id = next_scid;
tlv->next_node_id = cast_const(struct pubkey *, next_node_id);
tlv->path_id = path_secret;
tlv->payment_relay = payment_relay;
tlv->payment_constraints = payment_constraints;
@ -418,7 +419,7 @@ static struct command_result *listincoming_done(struct command *cmd,
= create_enctlv(hops[0],
&blinding,
&best->id,
&best->scid,
&id,
&relay, &constraints,
NULL,
&hops[0]->blinded_node_id);