core-lightning/common/htlc_wire.h
Rusty Russell 1119dd5577 channeld: always receive and maintain short_channel_id of failing channel.
The master tells us the short_channel_id of the outgoing channel when
failing an HTLC, but channeld didn't store it anywhere.  It also
didn't tell channeld the short_channel_id in the case where we're
reconnecting and it's feeding us an array of failed htlcs.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2018-07-27 14:12:00 +02:00

62 lines
1.9 KiB
C

#ifndef LIGHTNING_COMMON_HTLC_WIRE_H
#define LIGHTNING_COMMON_HTLC_WIRE_H
#include "config.h"
#include <bitcoin/preimage.h>
#include <ccan/short_types/short_types.h>
#include <common/htlc.h>
#include <common/sphinx.h>
#include <wire/gen_onion_wire.h>
struct bitcoin_tx;
struct shachain;
/* These are how we communicate about HTLC state to the master daemon */
struct added_htlc {
u64 id;
u64 amount_msat;
struct sha256 payment_hash;
u32 cltv_expiry;
u8 onion_routing_packet[TOTAL_PACKET_SIZE];
};
struct fulfilled_htlc {
u64 id;
struct preimage payment_preimage;
};
struct failed_htlc {
u64 id;
/* Either this is 0 and failreason non-NULL, or vice versa. */
enum onion_type failcode;
u8 *failreason;
/* Non-NULL if failcode & UPDATE */
struct short_channel_id *scid;
};
struct changed_htlc {
enum htlc_state newstate;
u64 id;
};
void towire_added_htlc(u8 **pptr, const struct added_htlc *added);
void towire_fulfilled_htlc(u8 **pptr, const struct fulfilled_htlc *fulfilled);
void towire_failed_htlc(u8 **pptr, const struct failed_htlc *failed);
void towire_changed_htlc(u8 **pptr, const struct changed_htlc *changed);
void towire_htlc_state(u8 **pptr, const enum htlc_state hstate);
void towire_side(u8 **pptr, const enum side side);
void towire_shachain(u8 **pptr, const struct shachain *shachain);
void fromwire_added_htlc(const u8 **cursor, size_t *max,
struct added_htlc *added);
void fromwire_fulfilled_htlc(const u8 **cursor, size_t *max,
struct fulfilled_htlc *fulfilled);
struct failed_htlc *fromwire_failed_htlc(const tal_t *ctx, const u8 **cursor,
size_t *max);
void fromwire_changed_htlc(const u8 **cursor, size_t *max,
struct changed_htlc *changed);
enum htlc_state fromwire_htlc_state(const u8 **cursor, size_t *max);
enum side fromwire_side(const u8 **cursor, size_t *max);
void fromwire_shachain(const u8 **cursor, size_t *max,
struct shachain *shachain);
#endif /* LIGHTNING_COMMON_HTLC_WIRE_H */