mirror of
https://github.com/ElementsProject/lightning.git
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aa696370af
All of the callback functions were only using the tx to generate the txid again, so we just pass that in directly and save passing the tx itself. This is a simplification to move to the DB backed depth callbacks. It'd be rather wasteful to read the rawtx and deserialize just to serialize right away again to find the txid, when we already searched the DB for exactly that txid. Signed-off-by: Christian Decker <decker.christian@gmail.com>
85 lines
2.5 KiB
C
85 lines
2.5 KiB
C
#ifndef LIGHTNING_LIGHTNINGD_WATCH_H
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#define LIGHTNING_LIGHTNINGD_WATCH_H
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#include "config.h"
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#include <bitcoin/tx.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 block;
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struct channel;
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struct chain_topology;
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struct txowatch;
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struct txwatch;
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enum watch_result {
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DELETE_WATCH = -1,
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KEEP_WATCHING = -2
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};
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struct txwatch_output {
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struct bitcoin_txid txid;
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unsigned int index;
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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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const struct bitcoin_txid *txwatch_keyof(const struct txwatch *w);
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size_t txid_hash(const struct bitcoin_txid *txid);
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bool txwatch_eq(const struct txwatch *w, const struct bitcoin_txid *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 chain_topology *topo,
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struct channel *channel,
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const struct bitcoin_txid *txid,
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enum watch_result (*cb)(struct channel *channel,
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const struct bitcoin_txid *,
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unsigned int depth));
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struct txwatch *watch_tx(const tal_t *ctx,
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struct chain_topology *topo,
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struct channel *channel,
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const struct bitcoin_tx *tx,
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enum watch_result (*cb)(struct channel *channel,
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const struct bitcoin_txid *,
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unsigned int depth));
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struct txowatch *watch_txo(const tal_t *ctx,
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struct chain_topology *topo,
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struct channel *channel,
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const struct bitcoin_txid *txid,
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unsigned int output,
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enum watch_result (*cb)(struct channel *channel,
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const struct bitcoin_tx *tx,
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size_t input_num,
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const struct block *block));
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struct txwatch *find_txwatch(struct chain_topology *topo,
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const struct bitcoin_txid *txid,
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const struct channel *channel);
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void txwatch_fire(struct chain_topology *topo,
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const struct bitcoin_tx *tx,
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unsigned int depth);
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void txowatch_fire(const struct txowatch *txow,
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const struct bitcoin_tx *tx, size_t input_num,
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const struct block *block);
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bool watching_txid(const struct chain_topology *topo,
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const struct bitcoin_txid *txid);
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void watch_topology_changed(struct chain_topology *topo);
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#endif /* LIGHTNING_LIGHTNINGD_WATCH_H */
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