mirror of
https://github.com/ElementsProject/lightning.git
synced 2024-11-19 18:11:28 +01:00
451edb7c20
Fuzz the decoding and encoding of open_channel2.
108 lines
3.4 KiB
C
108 lines
3.4 KiB
C
#include "config.h"
|
|
#include <assert.h>
|
|
#include <ccan/mem/mem.h>
|
|
#include <stdint.h>
|
|
#include <tests/fuzz/libfuzz.h>
|
|
#include <tests/fuzz/wire.h>
|
|
#include <wire/peer_wire.h>
|
|
|
|
struct open_channel2 {
|
|
struct bitcoin_blkid chain_hash;
|
|
struct channel_id temporary_channel_id;
|
|
u32 funding_feerate_perkw;
|
|
u32 commitment_feerate_perkw;
|
|
struct amount_sat funding_satoshis;
|
|
struct amount_sat dust_limit_satoshis;
|
|
struct amount_msat max_htlc_value_in_flight_msat;
|
|
struct amount_msat htlc_minimum_msat;
|
|
u16 to_self_delay;
|
|
u16 max_accepted_htlcs;
|
|
u32 locktime;
|
|
struct pubkey funding_pubkey;
|
|
struct pubkey revocation_basepoint;
|
|
struct pubkey payment_basepoint;
|
|
struct pubkey delayed_payment_basepoint;
|
|
struct pubkey htlc_basepoint;
|
|
struct pubkey first_per_commitment_point;
|
|
struct pubkey second_per_commitment_point;
|
|
u8 channel_flags;
|
|
struct tlv_opening_tlvs *tlvs;
|
|
};
|
|
|
|
static void *encode(const tal_t *ctx, const struct open_channel2 *s)
|
|
{
|
|
return towire_open_channel2(
|
|
ctx, &s->chain_hash, &s->temporary_channel_id,
|
|
s->funding_feerate_perkw, s->commitment_feerate_perkw,
|
|
s->funding_satoshis, s->dust_limit_satoshis,
|
|
s->max_htlc_value_in_flight_msat, s->htlc_minimum_msat,
|
|
s->to_self_delay, s->max_accepted_htlcs, s->locktime,
|
|
&s->funding_pubkey, &s->revocation_basepoint, &s->payment_basepoint,
|
|
&s->delayed_payment_basepoint, &s->htlc_basepoint,
|
|
&s->first_per_commitment_point, &s->second_per_commitment_point,
|
|
s->channel_flags, s->tlvs);
|
|
}
|
|
|
|
static struct open_channel2 *decode(const tal_t *ctx, const void *p)
|
|
{
|
|
struct open_channel2 *s = tal(ctx, struct open_channel2);
|
|
|
|
if (fromwire_open_channel2(
|
|
s, p, &s->chain_hash, &s->temporary_channel_id,
|
|
&s->funding_feerate_perkw, &s->commitment_feerate_perkw,
|
|
&s->funding_satoshis, &s->dust_limit_satoshis,
|
|
&s->max_htlc_value_in_flight_msat, &s->htlc_minimum_msat,
|
|
&s->to_self_delay, &s->max_accepted_htlcs, &s->locktime,
|
|
&s->funding_pubkey, &s->revocation_basepoint,
|
|
&s->payment_basepoint, &s->delayed_payment_basepoint,
|
|
&s->htlc_basepoint, &s->first_per_commitment_point,
|
|
&s->second_per_commitment_point, &s->channel_flags, &s->tlvs))
|
|
return s;
|
|
return tal_free(s);
|
|
}
|
|
|
|
static bool request_funds_equal(const struct tlv_opening_tlvs_request_funds *x,
|
|
const struct tlv_opening_tlvs_request_funds *y)
|
|
{
|
|
if (!x && !y)
|
|
return true;
|
|
if (!x || !y)
|
|
return false;
|
|
return x->requested_sats == y->requested_sats &&
|
|
x->blockheight == y->blockheight;
|
|
}
|
|
|
|
static bool equal(const struct open_channel2 *x, const struct open_channel2 *y)
|
|
{
|
|
size_t upto_channel_flags = (uintptr_t)&x->channel_flags - (uintptr_t)x;
|
|
if (memcmp(x, y, upto_channel_flags) != 0)
|
|
return false;
|
|
if (x->channel_flags != y->channel_flags)
|
|
return false;
|
|
|
|
assert(x->tlvs && y->tlvs);
|
|
|
|
if (!memeq(x->tlvs->upfront_shutdown_script,
|
|
tal_bytelen(x->tlvs->upfront_shutdown_script),
|
|
y->tlvs->upfront_shutdown_script,
|
|
tal_bytelen(y->tlvs->upfront_shutdown_script)))
|
|
return false;
|
|
|
|
if (!memeq(x->tlvs->channel_type, tal_bytelen(x->tlvs->channel_type),
|
|
y->tlvs->channel_type, tal_bytelen(y->tlvs->channel_type)))
|
|
return false;
|
|
|
|
if (!request_funds_equal(x->tlvs->request_funds,
|
|
y->tlvs->request_funds))
|
|
return false;
|
|
|
|
return !!x->tlvs->require_confirmed_inputs ==
|
|
!!y->tlvs->require_confirmed_inputs;
|
|
}
|
|
|
|
void run(const u8 *data, size_t size)
|
|
{
|
|
test_decode_encode(data, size, WIRE_OPEN_CHANNEL2,
|
|
struct open_channel2);
|
|
}
|