269 lines
6.5 KiB
C
269 lines
6.5 KiB
C
#include "lightningd.h"
|
|
#include "log.h"
|
|
#include "names.h"
|
|
#include "peer.h"
|
|
#include "protobuf_convert.h"
|
|
#include "secrets.h"
|
|
#include "state.h"
|
|
#include <ccan/crypto/sha256/sha256.h>
|
|
#include <ccan/mem/mem.h>
|
|
|
|
#define FIXME_STUB(peer) do { log_broken((peer)->dstate->base_log, "%s:%u: Implement %s!", __FILE__, __LINE__, __func__); abort(); } while(0)
|
|
|
|
/* Wrap (and own!) member inside Pkt */
|
|
static Pkt *make_pkt(const tal_t *ctx, Pkt__PktCase type, const void *msg)
|
|
{
|
|
Pkt *pkt = tal(ctx, Pkt);
|
|
|
|
pkt__init(pkt);
|
|
pkt->pkt_case = type;
|
|
/* This is a union, so doesn't matter which we assign. */
|
|
pkt->error = (Error *)tal_steal(ctx, msg);
|
|
|
|
/* This makes sure all packets are valid. */
|
|
#ifndef NDEBUG
|
|
{
|
|
size_t len;
|
|
u8 *packed;
|
|
Pkt *cpy;
|
|
|
|
len = pkt__get_packed_size(pkt);
|
|
packed = tal_arr(pkt, u8, len);
|
|
pkt__pack(pkt, packed);
|
|
cpy = pkt__unpack(NULL, len, memcheck(packed, len));
|
|
assert(cpy);
|
|
pkt__free_unpacked(cpy, NULL);
|
|
tal_free(packed);
|
|
}
|
|
#endif
|
|
return pkt;
|
|
}
|
|
|
|
Pkt *pkt_open(const tal_t *ctx, const struct peer *peer,
|
|
OpenChannel__AnchorOffer anchor)
|
|
{
|
|
OpenChannel *o = tal(ctx, OpenChannel);
|
|
|
|
open_channel__init(o);
|
|
o->revocation_hash = sha256_to_proto(ctx, &peer->us.revocation_hash);
|
|
o->commit_key = pubkey_to_proto(o, &peer->us.commitkey);
|
|
o->final_key = pubkey_to_proto(o, &peer->us.finalkey);
|
|
o->delay = tal(o, Locktime);
|
|
locktime__init(o->delay);
|
|
o->delay->locktime_case = LOCKTIME__LOCKTIME_SECONDS;
|
|
o->delay->seconds = rel_locktime_to_seconds(&peer->us.locktime);
|
|
o->commitment_fee = peer->us.commit_fee;
|
|
if (anchor == OPEN_CHANNEL__ANCHOR_OFFER__WILL_CREATE_ANCHOR)
|
|
assert(peer->us.offer_anchor == CMD_OPEN_WITH_ANCHOR);
|
|
else {
|
|
assert(anchor == OPEN_CHANNEL__ANCHOR_OFFER__WONT_CREATE_ANCHOR);
|
|
assert(peer->us.offer_anchor == CMD_OPEN_WITHOUT_ANCHOR);
|
|
}
|
|
|
|
o->anch = anchor;
|
|
o->min_depth = peer->us.mindepth;
|
|
return make_pkt(ctx, PKT__PKT_OPEN, o);
|
|
}
|
|
|
|
Pkt *pkt_anchor(const tal_t *ctx, const struct peer *peer)
|
|
{
|
|
FIXME_STUB(peer);
|
|
}
|
|
|
|
Pkt *pkt_open_commit_sig(const tal_t *ctx, const struct peer *peer)
|
|
{
|
|
FIXME_STUB(peer);
|
|
}
|
|
|
|
Pkt *pkt_open_complete(const tal_t *ctx, const struct peer *peer)
|
|
{
|
|
FIXME_STUB(peer);
|
|
}
|
|
|
|
Pkt *pkt_htlc_update(const tal_t *ctx, const struct peer *peer,
|
|
const struct htlc_progress *htlc_prog)
|
|
{
|
|
FIXME_STUB(peer);
|
|
}
|
|
|
|
Pkt *pkt_htlc_fulfill(const tal_t *ctx, const struct peer *peer,
|
|
const struct htlc_progress *htlc_prog)
|
|
{
|
|
FIXME_STUB(peer);
|
|
}
|
|
|
|
Pkt *pkt_htlc_timedout(const tal_t *ctx, const struct peer *peer,
|
|
const struct htlc_progress *htlc_prog)
|
|
{
|
|
FIXME_STUB(peer);
|
|
}
|
|
|
|
Pkt *pkt_htlc_routefail(const tal_t *ctx, const struct peer *peer,
|
|
const struct htlc_progress *htlc_prog)
|
|
{
|
|
FIXME_STUB(peer);
|
|
}
|
|
|
|
Pkt *pkt_update_accept(const tal_t *ctx, const struct peer *peer)
|
|
{
|
|
FIXME_STUB(peer);
|
|
}
|
|
|
|
Pkt *pkt_update_signature(const tal_t *ctx, const struct peer *peer)
|
|
{
|
|
FIXME_STUB(peer);
|
|
}
|
|
|
|
Pkt *pkt_update_complete(const tal_t *ctx, const struct peer *peer)
|
|
{
|
|
FIXME_STUB(peer);
|
|
}
|
|
|
|
Pkt *pkt_err(const tal_t *ctx, const char *msg, ...)
|
|
{
|
|
abort();
|
|
}
|
|
|
|
Pkt *pkt_close(const tal_t *ctx, const struct peer *peer)
|
|
{
|
|
FIXME_STUB(peer);
|
|
}
|
|
|
|
Pkt *pkt_close_complete(const tal_t *ctx, const struct peer *peer)
|
|
{
|
|
FIXME_STUB(peer);
|
|
}
|
|
|
|
Pkt *pkt_close_ack(const tal_t *ctx, const struct peer *peer)
|
|
{
|
|
FIXME_STUB(peer);
|
|
}
|
|
|
|
Pkt *pkt_err_unexpected(const tal_t *ctx, const Pkt *pkt)
|
|
{
|
|
return pkt_err(ctx, "Unexpected packet %s", state_name(pkt->pkt_case));
|
|
}
|
|
|
|
/* Process various packets: return an error packet on failure. */
|
|
Pkt *accept_pkt_open(const tal_t *ctx,
|
|
struct peer *peer, const Pkt *pkt)
|
|
{
|
|
struct rel_locktime locktime;
|
|
OpenChannel *o = pkt->open;
|
|
|
|
if (!proto_to_rel_locktime(o->delay, &locktime))
|
|
return pkt_err(ctx, "Invalid delay");
|
|
/* FIXME: handle blocks in locktime */
|
|
if (o->delay->locktime_case != LOCKTIME__LOCKTIME_SECONDS)
|
|
return pkt_err(ctx, "Delay in blocks not accepted");
|
|
if (o->delay->seconds > peer->dstate->config.rel_locktime_max)
|
|
return pkt_err(ctx, "Delay too great");
|
|
if (o->min_depth > peer->dstate->config.anchor_confirms_max)
|
|
return pkt_err(ctx, "min_depth too great");
|
|
if (o->commitment_fee < peer->dstate->config.commitment_fee_min)
|
|
return pkt_err(ctx, "Commitment fee too low");
|
|
if (o->anch == OPEN_CHANNEL__ANCHOR_OFFER__WILL_CREATE_ANCHOR)
|
|
peer->them.offer_anchor = CMD_OPEN_WITH_ANCHOR;
|
|
else if (o->anch == OPEN_CHANNEL__ANCHOR_OFFER__WONT_CREATE_ANCHOR)
|
|
peer->them.offer_anchor = CMD_OPEN_WITHOUT_ANCHOR;
|
|
else
|
|
return pkt_err(ctx, "Unknown offer anchor value");
|
|
|
|
if (peer->them.offer_anchor == peer->us.offer_anchor)
|
|
return pkt_err(ctx, "Only one side can offer anchor");
|
|
|
|
if (!proto_to_rel_locktime(o->delay, &peer->them.locktime))
|
|
return pkt_err(ctx, "Malformed locktime");
|
|
peer->them.mindepth = o->min_depth;
|
|
peer->them.commit_fee = o->commitment_fee;
|
|
if (!proto_to_pubkey(peer->dstate->secpctx,
|
|
o->commit_key, &peer->them.commitkey))
|
|
return pkt_err(ctx, "Bad commitkey");
|
|
if (!proto_to_pubkey(peer->dstate->secpctx,
|
|
o->final_key, &peer->them.finalkey))
|
|
return pkt_err(ctx, "Bad finalkey");
|
|
proto_to_sha256(o->revocation_hash, &peer->them.revocation_hash);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
Pkt *accept_pkt_anchor(const tal_t *ctx,
|
|
struct peer *peer,
|
|
const Pkt *pkt)
|
|
{
|
|
FIXME_STUB(peer);
|
|
}
|
|
|
|
Pkt *accept_pkt_open_commit_sig(const tal_t *ctx,
|
|
struct peer *peer, const Pkt *pkt)
|
|
{
|
|
FIXME_STUB(peer);
|
|
}
|
|
|
|
Pkt *accept_pkt_htlc_update(const tal_t *ctx,
|
|
struct peer *peer, const Pkt *pkt,
|
|
Pkt **decline)
|
|
{
|
|
FIXME_STUB(peer);
|
|
}
|
|
|
|
Pkt *accept_pkt_htlc_routefail(const tal_t *ctx,
|
|
struct peer *peer, const Pkt *pkt)
|
|
{
|
|
FIXME_STUB(peer);
|
|
}
|
|
|
|
Pkt *accept_pkt_htlc_timedout(const tal_t *ctx,
|
|
struct peer *peer, const Pkt *pkt)
|
|
{
|
|
FIXME_STUB(peer);
|
|
}
|
|
|
|
Pkt *accept_pkt_htlc_fulfill(const tal_t *ctx,
|
|
struct peer *peer, const Pkt *pkt)
|
|
{
|
|
FIXME_STUB(peer);
|
|
}
|
|
|
|
Pkt *accept_pkt_update_accept(const tal_t *ctx,
|
|
struct peer *peer, const Pkt *pkt)
|
|
{
|
|
FIXME_STUB(peer);
|
|
}
|
|
|
|
Pkt *accept_pkt_update_complete(const tal_t *ctx,
|
|
struct peer *peer, const Pkt *pkt)
|
|
{
|
|
FIXME_STUB(peer);
|
|
}
|
|
|
|
Pkt *accept_pkt_update_signature(const tal_t *ctx,
|
|
struct peer *peer,
|
|
const Pkt *pkt)
|
|
{
|
|
FIXME_STUB(peer);
|
|
}
|
|
|
|
Pkt *accept_pkt_close(const tal_t *ctx, struct peer *peer, const Pkt *pkt)
|
|
{
|
|
FIXME_STUB(peer);
|
|
}
|
|
|
|
Pkt *accept_pkt_close_complete(const tal_t *ctx,
|
|
struct peer *peer, const Pkt *pkt)
|
|
{
|
|
FIXME_STUB(peer);
|
|
}
|
|
|
|
Pkt *accept_pkt_simultaneous_close(const tal_t *ctx,
|
|
struct peer *peer,
|
|
const Pkt *pkt)
|
|
{
|
|
FIXME_STUB(peer);
|
|
}
|
|
|
|
Pkt *accept_pkt_close_ack(const tal_t *ctx, struct peer *peer, const Pkt *pkt)
|
|
{
|
|
FIXME_STUB(peer);
|
|
}
|