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invoices: display the payer note if it's for local offer, allow in fetchinvoice.

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We don't do it for sendinvoice (yet?).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-EXPERIMENTAL: `fetchinvoice` can take a payer note, and `listinvoice` will show the payer_notes received.
This commit is contained in:
Rusty Russell
2021-07-02 09:41:35 +09:30
parent 12dd3a439b
commit 2cb16a65c4
12 changed files with 59 additions and 9 deletions
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16
lightningd/invoice.c
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@@ -72,8 +72,22 @@ static void json_add_invoice(struct json_stream *response,
json_add_string(response, "description", inv->description);
json_add_u64(response, "expires_at", inv->expiry_time);
if (inv->local_offer_id)
if (inv->local_offer_id) {
char *fail;
struct tlv_invoice *tinv;
json_add_sha256(response, "local_offer_id", inv->local_offer_id);
/* Everyone loves seeing their own payer notes!
* Well: they will. Trust me. */
tinv = invoice_decode(tmpctx,
inv->invstring, strlen(inv->invstring),
NULL, NULL, &fail);
if (tinv && tinv->payer_note)
json_add_stringn(response, "payer_note",
tinv->payer_note,
tal_bytelen(tinv->payer_note));
}
}
static struct command_result *tell_waiter(struct command *cmd,