core-lightning/lightningd/peer_htlcs.h
2019-09-08 16:02:00 +02:00

82 lines
2.9 KiB
C

/* All about the HTLCs/commitment transactions for a particular peer. */
#ifndef LIGHTNING_LIGHTNINGD_PEER_HTLCS_H
#define LIGHTNING_LIGHTNINGD_PEER_HTLCS_H
#include "config.h"
#include <ccan/short_types/short_types.h>
#include <common/channel_config.h>
#include <common/derive_basepoints.h>
#include <common/htlc_wire.h>
struct channel;
struct htlc_in;
struct htlc_in_map;
struct htlc_out;
struct htlc_out_map;
struct htlc_stub;
struct lightningd;
struct forwarding;
struct json_stream;
/* FIXME: Define serialization primitive for this? */
struct channel_info {
struct channel_config their_config;
struct pubkey remote_fundingkey;
struct basepoints theirbase;
/* The old_remote_per_commit is for the locked-in remote commit_tx,
* and the remote_per_commit is for the commit_tx we're modifying now. */
struct pubkey remote_per_commit, old_remote_per_commit;
/* In transition, these can be different! */
u32 feerate_per_kw[NUM_SIDES];
};
/* Get all HTLCs for a peer, to send in init message. */
void peer_htlcs(const tal_t *ctx,
const struct channel *channel,
struct added_htlc **htlcs,
enum htlc_state **htlc_states,
struct fulfilled_htlc **fulfilled_htlcs,
enum side **fulfilled_sides,
const struct failed_htlc ***failed_htlcs,
enum side **failed_sides);
void free_htlcs(struct lightningd *ld, const struct channel *channel);
void peer_sending_commitsig(struct channel *channel, const u8 *msg);
void peer_got_commitsig(struct channel *channel, const u8 *msg);
void peer_got_revoke(struct channel *channel, const u8 *msg);
void update_per_commit_point(struct channel *channel,
const struct pubkey *per_commitment_point);
enum onion_type send_htlc_out(struct channel *out,
struct amount_msat amount, u32 cltv,
const struct sha256 *payment_hash,
const u8 *onion_routing_packet,
struct htlc_in *in,
struct htlc_out **houtp);
void onchain_failed_our_htlc(const struct channel *channel,
const struct htlc_stub *htlc,
const char *why);
void onchain_fulfilled_htlc(struct channel *channel,
const struct preimage *preimage);
void htlcs_notify_new_block(struct lightningd *ld, u32 height);
struct htlc_in_map *htlcs_reconnect(struct lightningd *ld,
struct htlc_in_map *htlcs_in,
struct htlc_out_map *htlcs_out);
void htlcs_resubmit(struct lightningd *ld, struct htlc_in_map *unprocessed);
/* For HTLCs which terminate here, invoice payment calls one of these. */
void fulfill_htlc(struct htlc_in *hin, const struct preimage *preimage);
void fail_htlc(struct htlc_in *hin, enum onion_type failcode);
/* This json process will be used as the serialize method for
* forward_event_notification_gen and be used in
* `listforwardings_add_forwardings()`. */
void json_format_forwarding_object(struct json_stream *response, const char *fieldname,
const struct forwarding *cur);
#endif /* LIGHTNING_LIGHTNINGD_PEER_HTLCS_H */