rgb-cln/gossipd/gossip_constants.h

44 lines
1.2 KiB
C

#ifndef LIGHTNING_GOSSIPD_GOSSIP_CONSTANTS_H
#define LIGHTNING_GOSSIPD_GOSSIP_CONSTANTS_H
/* BOLT #4:
*
* - Length: the maximum route length is limited to 20 hops.
*...
* 1. type: `onion_packet`
* 2. data:
* * [`1`:`version`]
* * [`33`:`public_key`]
* * [`20*65`:`hops_data`]
*/
#define ROUTING_MAX_HOPS 20
/* BOLT #7:
*
* The `flags` bitfield...individual bits:
*...
* | 0 | `direction` | Direction this update refers to. |
* | 1 | `disable` | Disable the channel. |
*/
#define ROUTING_FLAGS_DIRECTION (1 << 0)
#define ROUTING_FLAGS_DISABLED (1 << 1)
/* BOLT #7:
*
* The `message_flags` bitfield is used to indicate the presence of optional
* fields in the `channel_update` message:
* | Bit Position | Name | Field |
* | ------------- | ------------------------- | -------------------- |
* | 0 | `option_channel_htlc_max` | `htlc_maximum_msat` |
*/
#define ROUTING_OPT_HTLC_MAX_MSAT (1 << 0)
/* BOLT #7:
*
* - MUST NOT send `announcement_signatures` messages until `funding_locked`
* has been sent AND the funding transaction has at least six confirmations.
*/
#define ANNOUNCE_MIN_DEPTH 6
#endif /* LIGHTNING_GOSSIPD_GOSSIP_CONSTANTS_H */