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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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6
common/sphinx.c
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@@ -131,7 +131,7 @@ u8 *serialize_onionpacket(
const tal_t *ctx,
const struct onionpacket *m)
{
u8 *dst = tal_arr(ctx, u8, TOTAL_PACKET_SIZE);
u8 *dst = tal_arr(ctx, u8, TOTAL_PACKET_SIZE(ROUTING_INFO_SIZE));
u8 der[PUBKEY_CMPR_LEN];
int p = 0;
@@ -151,7 +151,7 @@ enum onion_wire parse_onionpacket(const u8 *src,
const u8 *cursor = src;
size_t max = srclen;
assert(srclen == TOTAL_PACKET_SIZE);
assert(srclen == TOTAL_PACKET_SIZE(ROUTING_INFO_SIZE));
dest->version = fromwire_u8(&cursor, &max);
if (dest->version != 0x00) {
@@ -833,7 +833,7 @@ sphinx_compressed_onion_deserialize(const tal_t *ctx, const u8 *src)
tal(ctx, struct sphinx_compressed_onion);
/* This is not a compressed onion, so let's not parse it. */
if (max > TOTAL_PACKET_SIZE)
if (max > TOTAL_PACKET_SIZE(ROUTING_INFO_SIZE))
return tal_free(dst);
dst->version = fromwire_u8(&cursor, &max);