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91 lines
3.3 KiB
91 lines
3.3 KiB
/* All about the HTLCs/commitment transactions for a particular peer. */
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#ifndef LIGHTNING_LIGHTNINGD_PEER_HTLCS_H
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#define LIGHTNING_LIGHTNINGD_PEER_HTLCS_H
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#include "config.h"
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#include <ccan/short_types/short_types.h>
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#include <common/channel_config.h>
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#include <common/derive_basepoints.h>
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#include <common/htlc_wire.h>
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struct channel;
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struct htlc_in;
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struct htlc_in_map;
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struct htlc_out;
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struct htlc_out_map;
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struct htlc_stub;
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struct lightningd;
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struct forwarding;
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struct json_stream;
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/* FIXME: Define serialization primitive for this? */
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struct channel_info {
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struct channel_config their_config;
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struct pubkey remote_fundingkey;
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struct basepoints theirbase;
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/* The old_remote_per_commit is for the locked-in remote commit_tx,
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* and the remote_per_commit is for the commit_tx we're modifying now. */
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struct pubkey remote_per_commit, old_remote_per_commit;
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struct fee_states *fee_states;
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};
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/* Get all HTLCs for a peer, to send in init message. */
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const struct existing_htlc **peer_htlcs(const tal_t *ctx,
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const struct channel *channel);
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void free_htlcs(struct lightningd *ld, const struct channel *channel);
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void peer_sending_commitsig(struct channel *channel, const u8 *msg);
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void peer_got_commitsig(struct channel *channel, const u8 *msg);
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void peer_got_revoke(struct channel *channel, const u8 *msg);
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void update_per_commit_point(struct channel *channel,
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const struct pubkey *per_commitment_point);
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/* Returns NULL on success, otherwise failmsg (and sets *needs_update_appended)*/
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const u8 *send_htlc_out(const tal_t *ctx,
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struct channel *out,
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struct amount_msat amount, u32 cltv,
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const struct sha256 *payment_hash,
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const struct pubkey *blinding,
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u64 partid,
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const u8 *onion_routing_packet,
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struct htlc_in *in,
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struct htlc_out **houtp,
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bool *needs_update_appended);
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void onchain_failed_our_htlc(const struct channel *channel,
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const struct htlc_stub *htlc,
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const char *why);
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void onchain_fulfilled_htlc(struct channel *channel,
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const struct preimage *preimage);
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void htlcs_notify_new_block(struct lightningd *ld, u32 height);
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/* Only defined if COMPAT_V061 */
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void fixup_htlcs_out(struct lightningd *ld);
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void htlcs_resubmit(struct lightningd *ld,
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struct htlc_in_map *unconnected_htlcs_in);
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/* For HTLCs which terminate here, invoice payment calls one of these. */
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void fulfill_htlc(struct htlc_in *hin, const struct preimage *preimage);
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void local_fail_in_htlc(struct htlc_in *hin, const u8 *failmsg TAKES);
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void local_fail_in_htlc_needs_update(struct htlc_in *hin,
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const u8 *failmsg_needs_update TAKES,
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const struct short_channel_id *failmsg_scid);
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/* This json process will be used as the serialize method for
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* forward_event_notification_gen and be used in
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* `listforwardings_add_forwardings()`. */
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void json_format_forwarding_object(struct json_stream *response, const char *fieldname,
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const struct forwarding *cur);
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/* Helper to create (common) WIRE_INCORRECT_OR_UNKNOWN_PAYMENT_DETAILS */
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#define failmsg_incorrect_or_unknown(ctx, ld, hin) \
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failmsg_incorrect_or_unknown_((ctx), (ld), (hin), __FILE__, __LINE__)
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const u8 *failmsg_incorrect_or_unknown_(const tal_t *ctx,
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struct lightningd *ld,
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const struct htlc_in *hin,
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const char *file, int line);
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#endif /* LIGHTNING_LIGHTNINGD_PEER_HTLCS_H */
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