Files
lightning/common/channel_type.h
Rusty Russell 355aa8f497 zeroconf: don't accept channel_type with option_zeroconf unless we're really zeroconf.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Fixed: Protocol: we will upfront reject channel_open which asks for a zeroconf channel unless we are going to do a zerconf channel.
2023-04-10 17:26:47 +09:30

47 lines
1.7 KiB
C

/* This represents a channel type: i.e. the sticky feature bits. */
#ifndef LIGHTNING_COMMON_CHANNEL_TYPE_H
#define LIGHTNING_COMMON_CHANNEL_TYPE_H
#include "config.h"
#include <common/features.h>
#include <wire/channel_type_wiregen.h>
/* Explicit channel types */
struct channel_type *channel_type_none(const tal_t *ctx);
struct channel_type *channel_type_static_remotekey(const tal_t *ctx);
struct channel_type *channel_type_anchor_outputs(const tal_t *ctx);
/* channel_type variants */
void channel_type_set_zeroconf(struct channel_type *channel_type);
void channel_type_set_scid_alias(struct channel_type *channel_type);
/* Duplicate a channel_type */
struct channel_type *channel_type_dup(const tal_t *ctx,
const struct channel_type *t);
/* Convert feature bits to channel_type */
struct channel_type *channel_type_from(const tal_t *ctx,
const u8 *features TAKES);
/* Derive channel type from feature negotiation */
struct channel_type *default_channel_type(const tal_t *ctx,
const struct feature_set *our_features,
const u8 *their_features);
/* Does this type include this feature? */
bool channel_type_has(const struct channel_type *type, int feature);
/* Are these two channel_types equivalent? */
bool channel_type_eq(const struct channel_type *a,
const struct channel_type *b);
/* Return channel_type if this is acceptable, otherwise NULL */
struct channel_type *channel_type_accept(const tal_t *ctx,
const u8 *t,
const struct feature_set *our_features,
const u8 *their_features,
bool accept_zeroconf);
/* Return an array of feature strings indicating channel type. */
const char **channel_type_name(const tal_t *ctx, const struct channel_type *t);
#endif /* LIGHTNING_COMMON_CHANNEL_TYPE_H */