core-lightning/daemon/watch.h
Rusty Russell 862509637b daemon: implement unilateral commit.
This is only for the simple case where there are no HTLCs.

We group the current commit information together in the struct;
this involves a trivial transform from peer->cur_commit_theirsig to
peer->cur_commit.theirsig.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2016-01-22 06:45:28 +10:30

114 lines
3.2 KiB
C

#ifndef LIGHTNING_DAEMON_WATCH_H
#define LIGHTNING_DAEMON_WATCH_H
#include "config.h"
#include "bitcoin/shadouble.h"
#include <ccan/crypto/ripemd160/ripemd160.h>
#include <ccan/htable/htable_type.h>
#include <ccan/list/list.h>
#include <ccan/short_types/short_types.h>
#include <ccan/typesafe_cb/typesafe_cb.h>
struct bitcoin_tx;
struct lightningd_state;
struct txwatch_output {
struct sha256_double txid;
unsigned int index;
};
/* Watching an output */
struct txowatch {
/* Peer who owns us. */
struct peer *peer;
/* Output to watch. */
struct txwatch_output out;
/* A new tx. */
void (*cb)(struct peer *peer,
const struct bitcoin_tx *tx,
void *cbdata);
void *cbdata;
};
const struct txwatch_output *txowatch_keyof(const struct txowatch *w);
size_t txo_hash(const struct txwatch_output *out);
bool txowatch_eq(const struct txowatch *w, const struct txwatch_output *out);
HTABLE_DEFINE_TYPE(struct txowatch, txowatch_keyof, txo_hash, txowatch_eq,
txowatch_hash);
struct txwatch {
struct lightningd_state *dstate;
/* Peer who owns us. */
struct peer *peer;
/* Transaction to watch. */
struct sha256_double txid;
int depth;
/* A new depth (-1 if conflicted), blkhash valid if > 0 */
void (*cb)(struct peer *peer, int depth,
const struct sha256_double *blkhash,
void *cbdata);
void *cbdata;
};
const struct sha256_double *txwatch_keyof(const struct txwatch *w);
size_t txid_hash(const struct sha256_double *txid);
bool txwatch_eq(const struct txwatch *w, const struct sha256_double *txid);
HTABLE_DEFINE_TYPE(struct txwatch, txwatch_keyof, txid_hash, txwatch_eq,
txwatch_hash);
void add_anchor_watch_(const tal_t *ctx,
struct peer *peer,
const struct sha256_double *txid,
unsigned int out,
void (*anchor_cb)(struct peer *peer, int depth,
const struct sha256_double *blkhash,
void *),
void (*spend_cb)(struct peer *peer,
const struct bitcoin_tx *, void *),
void *cbdata);
#define add_anchor_watch(ctx, peer, txid, out, anchor_cb, spend_cb, cbdata) \
add_anchor_watch_((ctx), (peer), (txid), (out), \
typesafe_cb_preargs(void, void *, \
(anchor_cb), (cbdata), \
struct peer *, \
int depth, \
const struct sha256_double *), \
typesafe_cb_preargs(void, void *, \
(spend_cb), (cbdata), \
struct peer *, \
const struct bitcoin_tx *), \
(cbdata))
struct txwatch *add_commit_tx_watch_(const tal_t *ctx,
struct peer *peer,
const struct sha256_double *txid,
void (*cb)(struct peer *peer, int depth,
const struct sha256_double *blkhash,
void *),
void *cbdata);
#define add_commit_tx_watch(ctx, peer, txid, cb, cbdata) \
add_commit_tx_watch_((ctx), (peer), (txid), \
typesafe_cb_preargs(void, void *, \
(cb), (cbdata), \
struct peer *, \
int, \
const struct sha256_double *), \
(cbdata))
void add_close_tx_watch(const tal_t *ctx,
struct peer *peer,
const struct bitcoin_tx *tx,
void (*cb)(struct peer *peer, int depth));
void setup_watch_timer(struct lightningd_state *dstate);
#endif /* LIGHTNING_DAEMON_WATCH_H */