You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
47 lines
1.4 KiB
47 lines
1.4 KiB
#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
|
|
|
|
/* Utility function that, given a source and a destination, gives us
|
|
* the direction bit the matching channel should get */
|
|
#define get_channel_direction(from, to) (pubkey_cmp(from, to) > 0)
|
|
|
|
#endif /* LIGHTNING_GOSSIPD_GOSSIP_CONSTANTS_H */
|
|
|