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common/sphinx: make TOTAL_PACKET_SIZE a macro.

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This paves the way for using it on different-sized onions.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2020-12-08 17:18:53 +10:30
committed by Christian Decker
parent dc67b60e28
commit 3776af4a35
14 changed files with 27 additions and 27 deletions
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2
devtools/blindedpath.c
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@@ -205,7 +205,7 @@ int main(int argc, char **argv)
} else if (streq(argv[1], "unwrap")) {
struct privkey privkey;
struct pubkey blinding;
u8 onion[TOTAL_PACKET_SIZE], *dec;
u8 onion[TOTAL_PACKET_SIZE(ROUTING_INFO_SIZE)], *dec;
struct onionpacket op;
struct secret ss, onion_ss;
struct secret hmac, rho;

4
devtools/onion.c
View File

@@ -129,7 +129,7 @@ static struct route_step *decode_with_privkey(const tal_t *ctx, const u8 *onion,
if (!hex_decode(hexprivkey, strlen(hexprivkey), &seckey, sizeof(seckey)))
errx(1, "Invalid private key hex '%s'", hexprivkey);
why_bad = parse_onionpacket(onion, TOTAL_PACKET_SIZE, &packet);
why_bad = parse_onionpacket(onion, TOTAL_PACKET_SIZE(ROUTING_INFO_SIZE), &packet);
if (why_bad != 0)
errx(1, "Error parsing message: %s", onion_wire_name(why_bad));
@@ -146,7 +146,7 @@ static struct route_step *decode_with_privkey(const tal_t *ctx, const u8 *onion,
static void do_decode(int argc, char **argv, const u8 *assocdata)
{
const tal_t *ctx = talz(NULL, tal_t);
u8 serialized[TOTAL_PACKET_SIZE];
u8 serialized[TOTAL_PACKET_SIZE(ROUTING_INFO_SIZE)];
struct route_step *step;
if (argc != 4)