2019-09-22 07:53:42 +02:00
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#ifndef LIGHTNING_GOSSIPD_QUERIES_H
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#define LIGHTNING_GOSSIPD_QUERIES_H
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#include "config.h"
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#include <ccan/short_types/short_types.h>
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2019-10-08 03:23:24 +02:00
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struct channel_update_timestamps;
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2019-09-22 07:53:42 +02:00
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struct daemon;
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struct io_conn;
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struct peer;
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struct short_channel_id;
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/* Various handlers when peer fwds a gossip query msg: return is NULL or
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* error packet. */
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const u8 *handle_query_short_channel_ids(struct peer *peer, const u8 *msg);
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const u8 *handle_reply_short_channel_ids_end(struct peer *peer, const u8 *msg);
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const u8 *handle_query_channel_range(struct peer *peer, const u8 *msg);
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const u8 *handle_reply_channel_range(struct peer *peer, const u8 *msg);
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/* This called when the peer is idle. */
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void maybe_send_query_responses(struct peer *peer);
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2019-10-08 03:22:24 +02:00
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/* BOLT #7:
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*
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2020-06-22 07:06:03 +02:00
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* `query_option_flags` is a bitfield represented as a minimally-encoded bigsize.
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2019-10-08 03:22:24 +02:00
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* Bits have the following meaning:
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*
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* | Bit Position | Meaning |
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* | ------------- | ----------------------- |
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* | 0 | Sender wants timestamps |
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* | 1 | Sender wants checksums |
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*/
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enum query_option_flags {
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QUERY_ADD_TIMESTAMPS = 0x1,
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QUERY_ADD_CHECKSUMS = 0x2,
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};
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2019-09-30 06:57:12 +02:00
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/* Ask this peer for a range of scids. Must support it, and not already
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* have a query pending. */
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bool query_channel_range(struct daemon *daemon,
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struct peer *peer,
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u32 first_blocknum, u32 number_of_blocks,
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2019-10-08 03:22:24 +02:00
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enum query_option_flags qflags,
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2019-09-30 06:57:12 +02:00
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void (*cb)(struct peer *peer,
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u32 first_blocknum, u32 number_of_blocks,
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2021-02-23 02:42:53 +01:00
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const struct range_query_reply *replies));
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2019-09-30 06:57:12 +02:00
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2019-10-08 03:21:24 +02:00
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/* Ask this peer for info about an array of scids, with optional query_flags */
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2019-10-08 03:15:24 +02:00
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bool query_short_channel_ids(struct daemon *daemon,
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struct peer *peer,
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const struct short_channel_id *scids,
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2019-10-08 03:21:24 +02:00
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const u8 *query_flags,
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2019-10-08 03:15:24 +02:00
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void (*cb)(struct peer *peer, bool complete));
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2019-09-22 07:53:42 +02:00
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#if DEVELOPER
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struct io_plan *query_scids_req(struct io_conn *conn,
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struct daemon *daemon,
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const u8 *msg);
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2019-09-30 06:57:12 +02:00
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struct io_plan *dev_query_channel_range(struct io_conn *conn,
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struct daemon *daemon,
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const u8 *msg);
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2019-09-22 07:53:42 +02:00
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/* This is a testing hack to allow us to artificially lower the maximum bytes
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* of short_channel_ids we'll encode, using dev_set_max_scids_encode_size. */
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struct io_plan *dev_set_max_scids_encode_size(struct io_conn *conn,
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struct daemon *daemon,
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const u8 *msg);
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#endif /* DEVELOPER */
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#endif /* LIGHTNING_GOSSIPD_QUERIES_H */
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