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3d9cb81215
With segregated witness, we can (in advance!) specify the txid or tx output we want to watch, so convert to that now. For the moment it's done by pretending we have normalized txids; that goes away after the conversion. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
128 lines
3.6 KiB
C
128 lines
3.6 KiB
C
#ifndef LIGHTNING_DAEMON_WATCH_H
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#define LIGHTNING_DAEMON_WATCH_H
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#include "config.h"
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#include "bitcoin/shadouble.h"
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#include <ccan/crypto/ripemd160/ripemd160.h>
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#include <ccan/htable/htable_type.h>
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#include <ccan/list/list.h>
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#include <ccan/short_types/short_types.h>
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#include <ccan/typesafe_cb/typesafe_cb.h>
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struct bitcoin_tx;
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struct lightningd_state;
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struct txwatch_output {
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struct sha256_double txid;
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unsigned int index;
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};
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/* Watching an output */
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struct txowatch {
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/* Peer who owns us. */
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struct peer *peer;
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/* Output to watch. */
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struct txwatch_output out;
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/* A new tx. */
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void (*cb)(struct peer *peer,
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const struct bitcoin_tx *tx,
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void *cbdata);
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void *cbdata;
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};
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const struct txwatch_output *txowatch_keyof(const struct txowatch *w);
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size_t txo_hash(const struct txwatch_output *out);
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bool txowatch_eq(const struct txowatch *w, const struct txwatch_output *out);
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HTABLE_DEFINE_TYPE(struct txowatch, txowatch_keyof, txo_hash, txowatch_eq,
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txowatch_hash);
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struct txwatch {
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struct lightningd_state *dstate;
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/* Peer who owns us. */
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struct peer *peer;
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/* Transaction to watch. */
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struct sha256_double txid;
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int depth;
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/* A new depth (-1 if conflicted), blkhash valid if > 0 */
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void (*cb)(struct peer *peer, int depth,
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const struct sha256_double *blkhash,
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const struct sha256_double *txid,
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void *cbdata);
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void *cbdata;
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};
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const struct sha256_double *txwatch_keyof(const struct txwatch *w);
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size_t txid_hash(const struct sha256_double *txid);
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bool txwatch_eq(const struct txwatch *w, const struct sha256_double *txid);
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HTABLE_DEFINE_TYPE(struct txwatch, txwatch_keyof, txid_hash, txwatch_eq,
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txwatch_hash);
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struct txwatch *watch_txid_(const tal_t *ctx,
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struct peer *peer,
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const struct sha256_double *txid,
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void (*cb)(struct peer *peer, int depth,
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const struct sha256_double *blkhash,
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const struct sha256_double *txidx,
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void *),
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void *cbdata);
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#define watch_txid(ctx, peer, txid, cb, cbdata) \
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watch_txid_((ctx), (peer), (txid), \
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typesafe_cb_preargs(void, void *, \
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(cb), (cbdata), \
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struct peer *, \
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int depth, \
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const struct sha256_double *, \
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const struct sha256_double *txidx), \
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(cbdata))
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struct txwatch *watch_tx_(const tal_t *ctx,
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struct peer *peer,
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const struct bitcoin_tx *tx,
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void (*cb)(struct peer *peer, int depth,
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const struct sha256_double *blkhash,
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const struct sha256_double *txidx,
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void *),
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void *cbdata);
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#define watch_tx(ctx, peer, tx, cb, cbdata) \
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watch_tx_((ctx), (peer), (tx), \
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typesafe_cb_preargs(void, void *, \
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(cb), (cbdata), \
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struct peer *, \
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int depth, \
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const struct sha256_double *, \
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const struct sha256_double *), \
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(cbdata))
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struct txowatch *watch_txo_(const tal_t *ctx,
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struct peer *peer,
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const struct sha256_double *txid,
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unsigned int output,
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void (*cb)(struct peer *peer,
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const struct bitcoin_tx *tx,
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void *),
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void *cbdata);
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#define watch_txo(ctx, peer, txid, outnum, cb, cbdata) \
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watch_txo_((ctx), (peer), (txid), (outnum), \
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typesafe_cb_preargs(void, void *, \
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(cb), (cbdata), \
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struct peer *, \
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const struct bitcoin_tx *), \
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(cbdata))
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void peer_watch_setup(struct peer *peer);
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/* FIXME: Seg witness removes need for this! */
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void normalized_txid(const struct bitcoin_tx *tx, struct sha256_double *txid);
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void setup_watch_timer(struct lightningd_state *dstate);
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#endif /* LIGHTNING_DAEMON_WATCH_H */
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