Line data Source code
1 : #ifndef HEADER_fd_src_disco_gui_fd_gui_h
2 : #define HEADER_fd_src_disco_gui_fd_gui_h
3 :
4 : #include "fd_gui_peers.h"
5 :
6 : #include "../topo/fd_topo.h"
7 :
8 : #include "../../ballet/txn/fd_txn.h"
9 : #include "../../disco/tiles.h"
10 : #include "../../disco/fd_txn_p.h"
11 : #include "../../disco/bundle/fd_bundle_tile.h"
12 : #include "../../discof/restore/fd_snapct_tile.h"
13 : #include "../../discof/tower/fd_tower_tile.h"
14 : #include "../../choreo/tower/fd_tower.h"
15 : #include "../../choreo/tower/fd_tower_serdes.h"
16 : #include "../../flamenco/leaders/fd_leaders.h"
17 : #include "../../flamenco/types/fd_types_custom.h"
18 : #include "../../util/fd_util_base.h"
19 : #include "../../util/hist/fd_histf.h"
20 : #include "../../waltz/http/fd_http_server.h"
21 :
22 : /* frankendancer only */
23 : #define FD_GUI_MAX_PEER_CNT ( 40200UL)
24 :
25 : /* frankendancer only */
26 0 : #define FD_GUI_START_PROGRESS_TYPE_INITIALIZING ( 0)
27 0 : #define FD_GUI_START_PROGRESS_TYPE_SEARCHING_FOR_FULL_SNAPSHOT ( 1)
28 0 : #define FD_GUI_START_PROGRESS_TYPE_DOWNLOADING_FULL_SNAPSHOT ( 2)
29 0 : #define FD_GUI_START_PROGRESS_TYPE_SEARCHING_FOR_INCREMENTAL_SNAPSHOT ( 3)
30 0 : #define FD_GUI_START_PROGRESS_TYPE_DOWNLOADING_INCREMENTAL_SNAPSHOT ( 4)
31 0 : #define FD_GUI_START_PROGRESS_TYPE_CLEANING_BLOCK_STORE ( 5)
32 0 : #define FD_GUI_START_PROGRESS_TYPE_CLEANING_ACCOUNTS ( 6)
33 0 : #define FD_GUI_START_PROGRESS_TYPE_LOADING_LEDGER ( 7)
34 0 : #define FD_GUI_START_PROGRESS_TYPE_PROCESSING_LEDGER ( 8)
35 0 : #define FD_GUI_START_PROGRESS_TYPE_STARTING_SERVICES ( 9)
36 0 : #define FD_GUI_START_PROGRESS_TYPE_HALTED (10)
37 0 : #define FD_GUI_START_PROGRESS_TYPE_WAITING_FOR_SUPERMAJORITY (11)
38 0 : #define FD_GUI_START_PROGRESS_TYPE_RUNNING (12)
39 :
40 : /* frankendancer only */
41 : struct fd_gui_gossip_peer {
42 : fd_pubkey_t pubkey[ 1 ];
43 : ulong wallclock;
44 : ushort shred_version;
45 :
46 : int has_version;
47 : struct {
48 : ushort major;
49 : ushort minor;
50 : ushort patch;
51 :
52 : int has_commit;
53 : uint commit;
54 :
55 : uint feature_set;
56 : } version;
57 :
58 : struct {
59 : uint ipv4;
60 : ushort port;
61 : } sockets[ 12 ];
62 : };
63 :
64 : /* frankendancer only */
65 : struct fd_gui_vote_account {
66 : fd_pubkey_t pubkey[ 1 ];
67 : fd_pubkey_t vote_account[ 1 ];
68 :
69 : ulong activated_stake;
70 : ulong last_vote;
71 : ulong root_slot;
72 : ulong epoch_credits;
73 : uchar commission;
74 : int delinquent;
75 : };
76 :
77 : /* frankendancer only */
78 : struct fd_gui_validator_info {
79 : fd_pubkey_t pubkey[ 1 ];
80 :
81 : char name[ 64 ];
82 : char website[ 128 ];
83 : char details[ 256 ];
84 : char icon_uri[ 128 ];
85 : };
86 :
87 : /* frankendancer only */
88 : #define FD_GUI_SLOT_LEADER_UNSTARTED (0UL)
89 : #define FD_GUI_SLOT_LEADER_STARTED (1UL)
90 : #define FD_GUI_SLOT_LEADER_ENDED (2UL)
91 :
92 0 : #define FD_GUI_SLOTS_CNT (864000UL) /* 2x 432000 */
93 0 : #define FD_GUI_LEADER_CNT (4096UL)
94 :
95 0 : #define FD_GUI_TPS_HISTORY_WINDOW_DURATION_SECONDS (10L)
96 0 : #define FD_GUI_TPS_HISTORY_SAMPLE_CNT (150UL)
97 :
98 0 : #define FD_GUI_TILE_TIMER_SNAP_CNT (512UL)
99 : #define FD_GUI_TILE_TIMER_LEADER_DOWNSAMPLE_CNT (50UL) /* 500ms / 10ms */
100 0 : #define FD_GUI_SCHEDULER_COUNT_SNAP_CNT (512UL)
101 : #define FD_GUI_SCHEDULER_COUNT_LEADER_DOWNSAMPLE_CNT (50UL) /* 500ms / 10ms */
102 : #define FD_GUI_TILE_TIMER_TILE_CNT (256UL)
103 :
104 0 : #define FD_GUI_VOTE_STATE_NON_VOTING (0)
105 0 : #define FD_GUI_VOTE_STATE_VOTING (1)
106 0 : #define FD_GUI_VOTE_STATE_DELINQUENT (2)
107 :
108 0 : #define FD_GUI_BOOT_PROGRESS_TYPE_JOINING_GOSSIP (1)
109 0 : #define FD_GUI_BOOT_PROGRESS_TYPE_LOADING_FULL_SNAPSHOT (2)
110 0 : #define FD_GUI_BOOT_PROGRESS_TYPE_LOADING_INCREMENTAL_SNAPSHOT (3)
111 0 : #define FD_GUI_BOOT_PROGRESS_TYPE_CATCHING_UP (4)
112 0 : #define FD_GUI_BOOT_PROGRESS_TYPE_RUNNING (5)
113 :
114 0 : #define FD_GUI_BOOT_PROGRESS_FULL_SNAPSHOT_IDX (0UL)
115 0 : #define FD_GUI_BOOT_PROGRESS_INCREMENTAL_SNAPSHOT_IDX (1UL)
116 0 : #define FD_GUI_BOOT_PROGRESS_SNAPSHOT_CNT (2UL)
117 :
118 0 : #define FD_GUI_SLOT_LEVEL_INCOMPLETE (0)
119 0 : #define FD_GUI_SLOT_LEVEL_COMPLETED (1)
120 0 : #define FD_GUI_SLOT_LEVEL_OPTIMISTICALLY_CONFIRMED (2)
121 0 : #define FD_GUI_SLOT_LEVEL_ROOTED (3)
122 0 : #define FD_GUI_SLOT_LEVEL_FINALIZED (4)
123 :
124 : /* Ideally, we would store an entire epoch's worth of transactions. If
125 : we assume any given validator will have at most 5% stake, and average
126 : transactions per slot is around 10_000, then an epoch will have about
127 : 432_000*10_000*0.05 transactions (~2^28).
128 :
129 : Unfortunately, the transaction struct is 100+ bytes. If we sized the
130 : array to 2^28 entries then the memory required would be ~26GB. In
131 : order to keep memory usage to a more reasonable level, we'll
132 : arbitrarily use a fourth of that size. */
133 0 : #define FD_GUI_TXN_HISTORY_SZ (1UL<<26UL)
134 :
135 0 : #define FD_GUI_TXN_FLAGS_STARTED ( 1U)
136 0 : #define FD_GUI_TXN_FLAGS_ENDED ( 2U)
137 0 : #define FD_GUI_TXN_FLAGS_IS_SIMPLE_VOTE ( 4U)
138 0 : #define FD_GUI_TXN_FLAGS_FROM_BUNDLE ( 8U)
139 0 : #define FD_GUI_TXN_FLAGS_LANDED_IN_BLOCK (16U)
140 :
141 0 : #define FD_GUI_TURBINE_RECV_TIMESTAMPS (750UL)
142 :
143 : /* One use case for tracking ingress shred slot is to estimate when we
144 : have caught up to the tip of the blockchain. A naive approach would
145 : be to track the maximum seen slot.
146 :
147 : maximum_seen_slot = fd_ulong_max( maximum_seen_slot, new_slot_from_shred_tile );
148 :
149 : Unfortunately, this doesn't always work because a validator can send
150 : a slot number that is arbitrarily large on a false fork. Also, these
151 : shreds can be for a repair response, which can be arbitrarily small.
152 :
153 : The prospects here seem bleak, but not all hope is lost! We know
154 : that for a sufficiently large historical time window there is a high
155 : probability that at least some of the slots we observe will be valid
156 : recent turbine slots. For a sufficiently small window there is a high
157 : probability that all the observed shred slots are non-malicious (i.e.
158 : not arbitrarily large).
159 :
160 : In practice shred slots are almost always non-malicious. We can keep
161 : a history of the 12 largest slots we've seen in the past 4.8 seconds.
162 : We'll consider the "tip" of the blockchain to be the maximum slot in
163 : our history. This way, if we receive maliciously large slot number,
164 : it will be evicted after 4.8 seconds. If we receive a small slot from
165 : a repair response it will be ignored because we've seen other larger
166 : slots, meaning that our estimate is eventually consistent. For
167 : monitoring purposes this is sufficient.
168 :
169 : The worst case scenario is that this validator receives an incorrect
170 : shred slot slot more than once every 3 leader rotations. Before the
171 : previous incorrect slot is evicted from the history, a new one takes
172 : it's place and we wouldn't never get a correct estimate of the tip of
173 : the chain. We also would indefinitely think that that we haven't
174 : caught up. This would require the chain having perpetually malicious
175 : leaders with adjacent rotations. If this happens, Solana has bigger
176 : problems. */
177 0 : #define FD_GUI_TURBINE_SLOT_HISTORY_SZ ( 12UL )
178 :
179 : /* Like the turbine slot, the latest repair slot can also swing to
180 : arbitrarily large values due to a malicious fork switch. The gui
181 : provides the same guarantees for freshness and accuracy. This
182 : history is somewhat larger to handle the increased repair bandwidth
183 : during catch up. */
184 0 : #define FD_GUI_REPAIR_SLOT_HISTORY_SZ ( 512UL )
185 :
186 : /* FD_GUI_*_CATCH_UP_HISTORY_SZ is the capacity of the record of slots
187 : seen from repair or turbine during the catch up stage at startup.
188 : These buffers are run-length encoded, so they will typically be very
189 : small. The worst-case scenario is unbounded, so bounds here are
190 : determined heuristically. */
191 0 : #define FD_GUI_REPAIR_CATCH_UP_HISTORY_SZ (4096UL)
192 0 : #define FD_GUI_TURBINE_CATCH_UP_HISTORY_SZ (4096UL)
193 :
194 : /* FD_GUI_SHREDS_STAGING_SZ is number of shred events we'll retain in
195 : in a small staging area. The lifecycle of a shred looks something
196 : like the following
197 :
198 : states] turbine -> repairing (optional) -> processing -> waiting_for_siblings -> slot_complete
199 : events] ^-repair_requested ^-shred_received/shred_repaired ^-shred_replayed ^-max(shred_replayed)
200 :
201 : We're interested in recording timestamps for state transitions (which
202 : these docs call "shred events"). Unfortunately, due to forking,
203 : duplicate packets, etc we can't make any guarantees about ordering or
204 : uniqueness for these event timestamps. Instead the GUI just records
205 : timestamps for all events as they occur and put them into an array.
206 : Newly recorded event timestamps are also broadcast live to WebSocket
207 : consumers.
208 :
209 : The amount of shred events for non-finalized blocks can't really be
210 : bounded, so we use generous estimates here to set a memory bound. */
211 0 : #define FD_GUI_MAX_SHREDS_PER_BLOCK (32UL*1024UL)
212 0 : #define FD_GUI_MAX_EVENTS_PER_SHRED ( 32UL)
213 0 : #define FD_GUI_SHREDS_STAGING_SZ (32UL * FD_GUI_MAX_SHREDS_PER_BLOCK * FD_GUI_MAX_EVENTS_PER_SHRED)
214 :
215 : /* FD_GUI_SHREDS_HISTORY_SZ the number of shred events in our historical
216 : shred store. Shred events here belong to finalized slots which means
217 : we won't record any additional shred updates for these slots.
218 :
219 : All shred events for a given slot will be places in a contiguous
220 : chunk in the array, and the bounding indicies are stored in the
221 : fd_gui_slot_t slot history. Within a slot chunk, shred events are
222 : ordered in the ordered they were recorded by the gui tile.
223 :
224 : Ideally, we have enough space to store an epoch's worth of events,
225 : but we are limited by realistic memory consumption. Instead, we pick
226 : bound heuristically. */
227 0 : #define FD_GUI_SHREDS_HISTORY_SZ (432000UL*2000UL*4UL / 6UL)
228 :
229 0 : #define FD_GUI_SLOT_SHRED_REPAIR_REQUEST (0UL)
230 0 : #define FD_GUI_SLOT_SHRED_SHRED_RECEIVED_TURBINE (1UL)
231 0 : #define FD_GUI_SLOT_SHRED_SHRED_RECEIVED_REPAIR (2UL)
232 0 : #define FD_GUI_SLOT_SHRED_SHRED_REPLAY_EXEC_DONE (3UL)
233 0 : #define FD_GUI_SLOT_SHRED_SHRED_SLOT_COMPLETE (4UL)
234 : /* #define FD_GUI_SLOT_SHRED_SHRED_REPLAY_EXEC_START (5UL) // UNUSED */
235 0 : #define FD_GUI_SLOT_SHRED_SHRED_PUBLISHED (6UL)
236 :
237 0 : #define FD_GUI_SLOT_RANKINGS_SZ (100UL)
238 0 : #define FD_GUI_SLOT_RANKING_TYPE_ASC (0)
239 0 : #define FD_GUI_SLOT_RANKING_TYPE_DESC (1)
240 :
241 : struct fd_gui_tile_timers {
242 : ulong timers[ FD_METRICS_ENUM_TILE_REGIME_CNT ];
243 : ulong sched_timers[ FD_METRICS_ENUM_CPU_REGIME_CNT ];
244 :
245 : int in_backp;
246 : ushort last_cpu;
247 : uchar status;
248 : ulong heartbeat;
249 : ulong backp_cnt;
250 : ulong nvcsw;
251 : ulong nivcsw;
252 : ulong minflt;
253 : ulong majflt;
254 : };
255 :
256 : typedef struct fd_gui_tile_timers fd_gui_tile_timers_t;
257 :
258 : struct fd_gui_scheduler_counts {
259 : long sample_time_ns;
260 : ulong regular;
261 : ulong votes;
262 : ulong conflicting;
263 : ulong bundles;
264 : };
265 :
266 : typedef struct fd_gui_scheduler_counts fd_gui_scheduler_counts_t;
267 :
268 : struct fd_gui_network_stats {
269 : /* total bytes accumulated */
270 : struct {
271 : ulong turbine;
272 : ulong gossip;
273 : ulong tpu;
274 : ulong repair;
275 : ulong metric;
276 : } in, out;
277 : };
278 :
279 : typedef struct fd_gui_network_stats fd_gui_network_stats_t;
280 :
281 : struct fd_gui_leader_slot {
282 : ulong slot;
283 : fd_hash_t block_hash;
284 : long leader_start_time; /* UNIX timestamp of when we first became leader in this slot */
285 : long leader_end_time; /* UNIX timestamp of when we stopped being leader in this slot */
286 :
287 : /* Stem tiles can exist in one of 8 distinct activity regimes at any
288 : given moment. One of these regimes, caughtup_postfrag, is the
289 : only regime where a tile is in a spin loop without doing any
290 : useful work. This info is useful from a monitoring perspective
291 : because it lets us estimate CPU utilization on a pinned core.
292 :
293 : Every 10ms, the gui tile samples the amount of time tiles spent
294 : in each regime in the past 10ms. This sample is used to infer
295 : the CPU utilization in the past 10ms. This utilization is
296 : streamed live to WebSocket clients.
297 :
298 : In additional to live utilization, we are interested in recording
299 : utilization during one of this validator's leader slots. The gui
300 : tile is continuously recording samples to storage with capacity
301 : FD_GUI_TILE_TIMER_SNAP_CNT. The sample index is recorded at the
302 : start and end of a leader slot, and the number of samples is
303 : downsampled to be at most FD_GUI_TILE_TIMER_LEADER_DOWNSAMPLE_CNT
304 : samples (e.g. if there was an unusually long leader slot) and
305 : inserted into historical storage with capacity FD_GUI_LEADER_CNT.
306 : FD_GUI_TILE_TIMER_TILE_CNT is the maximum number of tiles supported. */
307 : fd_gui_tile_timers_t tile_timers[ FD_GUI_TILE_TIMER_LEADER_DOWNSAMPLE_CNT ][ FD_GUI_TILE_TIMER_TILE_CNT ];
308 : ulong tile_timers_sample_cnt;
309 :
310 : fd_gui_scheduler_counts_t scheduler_counts[ FD_GUI_SCHEDULER_COUNT_LEADER_DOWNSAMPLE_CNT ][ 1 ];
311 : ulong scheduler_counts_sample_cnt;
312 :
313 : struct {
314 : uint microblocks_upper_bound; /* An upper bound on the number of microblocks in the slot. If the number of
315 : microblocks observed is equal to this, the slot can be considered over.
316 : Generally, the bound is set to a "final" state by a done packing message,
317 : which sets it to the exact number of microblocks, but sometimes this message
318 : is not sent, if the max upper bound published by poh was already correct. */
319 : uint begin_microblocks; /* The number of microblocks we have seen be started (sent) from pack to banks. */
320 : uint end_microblocks; /* The number of microblocks we have seen be ended (sent) from banks to poh. The
321 : slot is only considered over if the begin and end microblocks seen are both equal
322 : to the microblock upper bound. */
323 :
324 : ulong start_offset; /* The smallest pack transaction index for this slot. The first transaction for this slot will
325 : be written to gui->txs[ start_offset%FD_GUI_TXN_HISTORY_SZ ]. */
326 : ulong end_offset; /* The largest pack transaction index for this slot, plus 1. The last transaction for this
327 : slot will be written to gui->txs[ (start_offset-1)%FD_GUI_TXN_HISTORY_SZ ]. */
328 : } txs;
329 :
330 : fd_done_packing_t scheduler_stats[ 1 ];
331 :
332 : uchar unbecame_leader: 1;
333 : };
334 :
335 : typedef struct fd_gui_leader_slot fd_gui_leader_slot_t;
336 :
337 : struct fd_gui_turbine_slot {
338 : ulong slot;
339 : long timestamp;
340 : };
341 :
342 : typedef struct fd_gui_turbine_slot fd_gui_turbine_slot_t;
343 :
344 : struct fd_gui_slot_completed {
345 : ulong slot;
346 : long completed_time;
347 : ulong parent_slot;
348 : uint max_compute_units;
349 : uint total_txn_cnt;
350 : uint vote_txn_cnt;
351 : uint failed_txn_cnt;
352 : uint nonvote_failed_txn_cnt;
353 : ulong transaction_fee;
354 : ulong priority_fee;
355 : ulong tips;
356 : uint compute_units;
357 : uint shred_cnt;
358 : };
359 :
360 : typedef struct fd_gui_slot_completed fd_gui_slot_completed_t;
361 :
362 : struct fd_gui_slot_staged_shred_event {
363 : long timestamp;
364 : ulong slot;
365 : ushort shred_idx;
366 : uchar event;
367 : };
368 :
369 : typedef struct fd_gui_slot_staged_shred_event fd_gui_slot_staged_shred_event_t;
370 :
371 : struct __attribute__((packed)) fd_gui_slot_history_shred_event {
372 : long timestamp;
373 : ushort shred_idx;
374 : uchar event;
375 : };
376 :
377 : typedef struct fd_gui_slot_history_shred_event fd_gui_slot_history_shred_event_t;
378 :
379 : struct fd_gui_slot_ranking {
380 : ulong slot;
381 : ulong value;
382 : int type;
383 : };
384 : typedef struct fd_gui_slot_ranking fd_gui_slot_ranking_t;
385 :
386 : struct fd_gui_slot_rankings {
387 : fd_gui_slot_ranking_t largest_tips [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
388 : fd_gui_slot_ranking_t largest_fees [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
389 : fd_gui_slot_ranking_t largest_rewards [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
390 : fd_gui_slot_ranking_t largest_duration [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
391 : fd_gui_slot_ranking_t largest_compute_units [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
392 : fd_gui_slot_ranking_t largest_skipped [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
393 : fd_gui_slot_ranking_t largest_rewards_per_cu [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
394 : fd_gui_slot_ranking_t smallest_tips [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
395 : fd_gui_slot_ranking_t smallest_fees [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
396 : fd_gui_slot_ranking_t smallest_rewards [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
397 : fd_gui_slot_ranking_t smallest_rewards_per_cu[ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
398 : fd_gui_slot_ranking_t smallest_duration [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
399 : fd_gui_slot_ranking_t smallest_compute_units [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
400 : fd_gui_slot_ranking_t smallest_skipped [ FD_GUI_SLOT_RANKINGS_SZ+1UL ];
401 : };
402 :
403 : typedef struct fd_gui_slot_rankings fd_gui_slot_rankings_t;
404 :
405 : struct fd_gui_ephemeral_slot {
406 : ulong slot; /* ULONG_MAX indicates invalid/evicted */
407 : long timestamp_arrival_nanos;
408 : };
409 : typedef struct fd_gui_ephemeral_slot fd_gui_ephemeral_slot_t;
410 :
411 : struct __attribute__((packed)) fd_gui_txn {
412 : uchar signature[ FD_TXN_SIGNATURE_SZ ];
413 : ulong transaction_fee;
414 : ulong priority_fee;
415 : ulong tips;
416 : long timestamp_arrival_nanos;
417 :
418 : /* compute_units_requested has both execution and non-execution cus */
419 : uint compute_units_requested : 21; /* <= 1.4M */
420 : uint compute_units_consumed : 21; /* <= 1.4M */
421 : uint bank_idx : 6; /* in [0, 64) */
422 : uint error_code : 6; /* in [0, 64) */
423 : int timestamp_delta_start_nanos;
424 : int timestamp_delta_end_nanos;
425 :
426 : /* txn_{}_pct is used as a fraction of the total microblock
427 : duration. For example, txn_load_end_pct can be used to find the
428 : time when this transaction started executing:
429 :
430 : timestamp_delta_start_exec_nanos = (
431 : (timestamp_delta_end_nanos-timestamp_delta_start_nanos) *
432 : ((double)txn_{}_pct/USHORT_MAX)
433 : ) */
434 : uchar txn_start_pct;
435 : uchar txn_load_end_pct;
436 : uchar txn_end_pct;
437 : uchar txn_preload_end_pct;
438 : uchar flags; /* assigned with the FD_GUI_TXN_FLAGS_* macros */
439 : uchar source_tpu; /* FD_TXN_M_TPU_SOURCE_* */
440 : uint source_ipv4;
441 : uint microblock_idx;
442 : };
443 :
444 : typedef struct fd_gui_txn fd_gui_txn_t;
445 :
446 : struct fd_gui_txn_waterfall {
447 : struct {
448 : ulong quic;
449 : ulong udp;
450 : ulong gossip;
451 : ulong block_engine;
452 : ulong pack_cranked;
453 : } in;
454 :
455 : struct {
456 : ulong net_overrun;
457 : ulong quic_overrun;
458 : ulong quic_frag_drop;
459 : ulong quic_abandoned;
460 : ulong tpu_quic_invalid;
461 : ulong tpu_udp_invalid;
462 : ulong verify_overrun;
463 : ulong verify_parse;
464 : ulong verify_failed;
465 : ulong verify_duplicate;
466 : ulong dedup_duplicate;
467 : ulong resolv_lut_failed;
468 : ulong resolv_expired;
469 : ulong resolv_ancient;
470 : ulong resolv_no_ledger;
471 : ulong resolv_retained;
472 : ulong pack_invalid;
473 : ulong pack_invalid_bundle;
474 : ulong pack_expired;
475 : ulong pack_already_executed;
476 : ulong pack_retained;
477 : ulong pack_wait_full;
478 : ulong pack_leader_slow;
479 : ulong bank_invalid;
480 : ulong bank_nonce_already_advanced;
481 : ulong bank_nonce_advance_failed;
482 : ulong bank_nonce_wrong_blockhash;
483 : ulong block_success;
484 : ulong block_fail;
485 : } out;
486 : };
487 :
488 : typedef struct fd_gui_txn_waterfall fd_gui_txn_waterfall_t;
489 :
490 : struct fd_gui_tile_stats {
491 : long sample_time_nanos;
492 :
493 : ulong net_in_rx_bytes; /* Number of bytes received by the net or sock tile*/
494 : ulong quic_conn_cnt; /* Number of active QUIC connections */
495 : fd_histf_t bundle_rx_delay_hist; /* Histogram of bundle rx delay */
496 : ulong bundle_rtt_smoothed_nanos; /* RTT (nanoseconds) moving average */
497 : ulong verify_drop_cnt; /* Number of transactions dropped by verify tiles */
498 : ulong verify_total_cnt; /* Number of transactions received by verify tiles */
499 : ulong dedup_drop_cnt; /* Number of transactions dropped by dedup tile */
500 : ulong dedup_total_cnt; /* Number of transactions received by dedup tile */
501 : ulong pack_buffer_cnt; /* Number of buffered transactions in the pack tile */
502 : ulong pack_buffer_capacity; /* Total size of the pack transaction buffer */
503 : ulong bank_txn_exec_cnt; /* Number of transactions processed by the bank tile */
504 : ulong net_out_tx_bytes; /* Number of bytes sent by the net or sock tile */
505 : };
506 :
507 : typedef struct fd_gui_tile_stats fd_gui_tile_stats_t;
508 :
509 : struct fd_gui_slot {
510 : ulong slot;
511 : ulong parent_slot;
512 : ulong vote_slot;
513 : ulong reset_slot;
514 : long completed_time;
515 : uint max_compute_units;
516 : int mine;
517 : int skipped;
518 : int must_republish;
519 : int level;
520 : uint total_txn_cnt;
521 : uint vote_txn_cnt;
522 : uint failed_txn_cnt;
523 : uint nonvote_failed_txn_cnt;
524 : uint compute_units;
525 : ulong transaction_fee;
526 : ulong priority_fee;
527 : ulong tips;
528 : uint shred_cnt;
529 : uchar vote_latency;
530 :
531 : /* Some slot info is only tracked for our own leader slots. These
532 : slots are kept in a separate buffer. */
533 : ulong leader_history_idx;
534 :
535 : fd_gui_txn_waterfall_t waterfall_begin[ 1 ];
536 : fd_gui_txn_waterfall_t waterfall_end[ 1 ];
537 :
538 : fd_gui_tile_stats_t tile_stats_begin[ 1 ];
539 : fd_gui_tile_stats_t tile_stats_end[ 1 ];
540 :
541 : struct {
542 : ulong start_offset; /* gui->shreds.history[ start_offset % FD_GUI_SHREDS_HISTORY_SZ ] is the first shred event in
543 : contiguous chunk of events in the shred history corresponding to this slot. */
544 : ulong end_offset; /* gui->shreds.history[ end_offset % FD_GUI_SHREDS_HISTORY_SZ ] is the last shred event in
545 : contiguous chunk of events in the shred history corresponding to this slot. */
546 : } shreds;
547 : };
548 :
549 : typedef struct fd_gui_slot fd_gui_slot_t;
550 :
551 : struct fd_gui {
552 : fd_http_server_t * http;
553 : fd_topo_t * topo;
554 :
555 : long next_sample_400millis;
556 : long next_sample_100millis;
557 : long next_sample_50millis;
558 : long next_sample_25millis;
559 : long next_sample_10millis;
560 :
561 : ulong leader_slot;
562 :
563 : struct {
564 : fd_pubkey_t identity_key[ 1 ];
565 : int has_vote_key;
566 : fd_pubkey_t vote_key[ 1 ];
567 : char vote_key_base58[ FD_BASE58_ENCODED_32_SZ ];
568 : char identity_key_base58[ FD_BASE58_ENCODED_32_SZ ];
569 :
570 : int is_full_client;
571 : char const * version;
572 : char const * cluster;
573 :
574 : ulong vote_distance;
575 : int vote_state;
576 :
577 : long startup_time_nanos;
578 :
579 : union {
580 : struct { /* frankendancer only */
581 : uchar phase;
582 : int startup_got_full_snapshot;
583 :
584 : ulong startup_incremental_snapshot_slot;
585 : uint startup_incremental_snapshot_peer_ip_addr;
586 : ushort startup_incremental_snapshot_peer_port;
587 : double startup_incremental_snapshot_elapsed_secs;
588 : double startup_incremental_snapshot_remaining_secs;
589 : double startup_incremental_snapshot_throughput;
590 : ulong startup_incremental_snapshot_total_bytes;
591 : ulong startup_incremental_snapshot_current_bytes;
592 :
593 : ulong startup_full_snapshot_slot;
594 : uint startup_full_snapshot_peer_ip_addr;
595 : ushort startup_full_snapshot_peer_port;
596 : double startup_full_snapshot_elapsed_secs;
597 : double startup_full_snapshot_remaining_secs;
598 : double startup_full_snapshot_throughput;
599 : ulong startup_full_snapshot_total_bytes;
600 : ulong startup_full_snapshot_current_bytes;
601 :
602 : ulong startup_ledger_slot;
603 : ulong startup_ledger_max_slot;
604 :
605 : ulong startup_waiting_for_supermajority_slot;
606 : ulong startup_waiting_for_supermajority_stake_pct;
607 : } startup_progress;
608 : struct { /* used in the full client */
609 : uchar phase;
610 : long joining_gossip_time_nanos;
611 : struct {
612 : ulong slot;
613 : uint peer_addr;
614 : ushort peer_port;
615 : ulong total_bytes_compressed;
616 : long reset_time_nanos; /* UNIX nanosecond timestamp */
617 : long sample_time_nanos;
618 : ulong reset_cnt;
619 :
620 : ulong read_bytes_compressed;
621 : char read_path[ PATH_MAX+30UL ]; /* URL or filesystem path. 30 is fd_cstr_nlen( "https://255.255.255.255:12345/", ULONG_MAX ) */
622 :
623 : ulong decompress_bytes_decompressed;
624 : ulong decompress_bytes_compressed;
625 :
626 : ulong insert_bytes_decompressed;
627 : char insert_path[ PATH_MAX ];
628 : ulong insert_accounts_current;
629 : } loading_snapshot[ FD_GUI_BOOT_PROGRESS_SNAPSHOT_CNT ];
630 :
631 : long catching_up_time_nanos;
632 : ulong catching_up_first_replay_slot;
633 : } boot_progress;
634 : };
635 :
636 : int schedule_strategy;
637 :
638 : ulong identity_account_balance;
639 : ulong vote_account_balance;
640 : ulong estimated_slot_duration_nanos;
641 :
642 : ulong sock_tile_cnt;
643 : ulong net_tile_cnt;
644 : ulong quic_tile_cnt;
645 : ulong verify_tile_cnt;
646 : ulong resolh_tile_cnt;
647 : ulong resolv_tile_cnt;
648 : ulong bank_tile_cnt;
649 : ulong execle_tile_cnt;
650 : ulong shred_tile_cnt;
651 :
652 : ulong slot_rooted;
653 : ulong slot_optimistically_confirmed;
654 : ulong slot_completed;
655 : ulong slot_estimated;
656 : ulong slot_caught_up;
657 : ulong slot_repair;
658 : ulong slot_turbine;
659 : ulong slot_reset;
660 : ulong slot_storage;
661 : ulong active_fork_cnt;
662 :
663 : fd_gui_ephemeral_slot_t slots_max_turbine[ FD_GUI_TURBINE_SLOT_HISTORY_SZ+1UL ];
664 : fd_gui_ephemeral_slot_t slots_max_repair [ FD_GUI_REPAIR_SLOT_HISTORY_SZ +1UL ];
665 :
666 : /* catchup_* and late_votes are run-length encoded. i.e. adjacent
667 : pairs represent contiguous runs */
668 : ulong catch_up_turbine[ FD_GUI_TURBINE_CATCH_UP_HISTORY_SZ ];
669 : ulong catch_up_turbine_sz;
670 :
671 : ulong catch_up_repair[ FD_GUI_REPAIR_CATCH_UP_HISTORY_SZ ];
672 : ulong catch_up_repair_sz;
673 :
674 : ulong late_votes[ MAX_SLOTS_PER_EPOCH ];
675 : ulong late_votes_sz;
676 :
677 : ulong estimated_tps_history_idx;
678 : ulong estimated_tps_history[ FD_GUI_TPS_HISTORY_SAMPLE_CNT ][ 3UL ];
679 :
680 : fd_gui_network_stats_t network_stats_current[ 1 ];
681 :
682 : fd_gui_txn_waterfall_t txn_waterfall_reference[ 1 ];
683 : fd_gui_txn_waterfall_t txn_waterfall_current[ 1 ];
684 :
685 : fd_gui_tile_stats_t tile_stats_reference[ 1 ];
686 : fd_gui_tile_stats_t tile_stats_current[ 1 ];
687 :
688 : ulong tile_timers_snap_idx;
689 : ulong tile_timers_snap_idx_slot_start;
690 : /* Temporary storage for samples. Will be downsampled into leader history on slot end. */
691 : fd_gui_tile_timers_t tile_timers_snap[ FD_GUI_TILE_TIMER_SNAP_CNT ][ FD_GUI_TILE_TIMER_TILE_CNT ];
692 :
693 : ulong scheduler_counts_snap_idx;
694 : ulong scheduler_counts_snap_idx_slot_start;
695 : /* Temporary storage for samples. Will be downsampled into leader history on slot end. */
696 : fd_gui_scheduler_counts_t scheduler_counts_snap[ FD_GUI_SCHEDULER_COUNT_SNAP_CNT ][ 1 ];
697 : } summary;
698 :
699 : fd_gui_slot_t slots[ FD_GUI_SLOTS_CNT ][ 1 ];
700 :
701 : /* used for estimating slot duration */
702 : fd_gui_turbine_slot_t turbine_slots[ FD_GUI_TURBINE_RECV_TIMESTAMPS ];
703 :
704 : fd_gui_leader_slot_t leader_slots[ FD_GUI_LEADER_CNT ][ 1 ];
705 : ulong leader_slots_cnt;
706 :
707 : fd_gui_txn_t txs[ FD_GUI_TXN_HISTORY_SZ ][ 1 ];
708 : ulong pack_txn_idx; /* The pack index of the most recently received transaction */
709 :
710 : ulong tower_cnt;
711 : fd_vote_acc_vote_t tower[ FD_TOWER_VOTE_MAX ];
712 :
713 : struct {
714 : int has_block_engine;
715 : char name[ 16 ];
716 : char url[ 256 ];
717 : char ip_cstr[ 40 ]; /* IPv4 or IPv6 cstr */
718 : int status;
719 : } block_engine;
720 :
721 : struct {
722 : int has_epoch[ 2 ];
723 :
724 : struct {
725 : ulong epoch;
726 : long start_time;
727 : long end_time;
728 :
729 : ulong my_total_slots;
730 : ulong my_skipped_slots;
731 :
732 : ulong start_slot;
733 : ulong end_slot;
734 : ulong excluded_stake;
735 : fd_epoch_leaders_t * lsched;
736 : uchar __attribute__((aligned(FD_EPOCH_LEADERS_ALIGN))) _lsched[ FD_EPOCH_LEADERS_FOOTPRINT(MAX_STAKED_LEADERS, MAX_SLOTS_PER_EPOCH) ];
737 : fd_vote_stake_weight_t stakes[ MAX_STAKED_LEADERS ];
738 :
739 : ulong rankings_slot; /* One more than the largest slot we've processed into our rankings */
740 : fd_gui_slot_rankings_t rankings[ 1 ]; /* global slot rankings */
741 : fd_gui_slot_rankings_t my_rankings[ 1 ]; /* my slots only */
742 : } epochs[ 2 ];
743 : } epoch;
744 :
745 : struct { /* frankendancer only */
746 : ulong peer_cnt;
747 : struct fd_gui_gossip_peer peers[ FD_GUI_MAX_PEER_CNT ];
748 : } gossip;
749 :
750 : struct { /* frankendancer only */
751 : ulong vote_account_cnt;
752 : struct fd_gui_vote_account vote_accounts[ FD_GUI_MAX_PEER_CNT ];
753 : } vote_account;
754 :
755 : struct { /* frankendancer only */
756 : ulong info_cnt;
757 : struct fd_gui_validator_info info[ FD_GUI_MAX_PEER_CNT ];
758 : } validator_info;
759 :
760 : fd_gui_peers_ctx_t * peers; /* full-client */
761 :
762 : struct {
763 : ulong leader_shred_cnt; /* A gauge counting the number of leader shreds seen on the SHRED_OUT link. Resets at
764 : the end of a leader slot. This works because leader fecs are published in order. */
765 : ulong staged_next_broadcast; /* staged[ staged_next_broadcast % FD_GUI_SHREDS_STAGING_SZ ] is the first shred event
766 : that hasn't yet been broadcast to WebSocket clients */
767 : ulong staged_head; /* staged_head % FD_GUI_SHREDS_STAGING_SZ is the first valid event in staged */
768 : ulong staged_tail; /* staged_tail % FD_GUI_SHREDS_STAGING_SZ is one past the last valid event in staged */
769 : fd_gui_slot_staged_shred_event_t staged [ FD_GUI_SHREDS_STAGING_SZ ];
770 :
771 : ulong history_slot; /* the largest slot store in history */
772 : ulong history_tail; /* history_tail % FD_GUI_SHREDS_HISTORY_SZ is one past the last valid event in history */
773 : fd_gui_slot_history_shred_event_t history[ FD_GUI_SHREDS_HISTORY_SZ ];
774 :
775 : /* scratch space for stable sorts */
776 : fd_gui_slot_staged_shred_event_t _staged_scratch [ FD_GUI_SHREDS_STAGING_SZ ];
777 : fd_gui_slot_staged_shred_event_t _staged_scratch2[ FD_GUI_SHREDS_STAGING_SZ ];
778 : } shreds; /* full client */
779 : };
780 :
781 : typedef struct fd_gui fd_gui_t;
782 :
783 : FD_PROTOTYPES_BEGIN
784 :
785 : FD_FN_CONST ulong
786 : fd_gui_align( void );
787 :
788 : FD_FN_CONST ulong
789 : fd_gui_footprint( void );
790 :
791 : void *
792 : fd_gui_new( void * shmem,
793 : fd_http_server_t * http,
794 : char const * version,
795 : char const * cluster,
796 : uchar const * identity_key,
797 : int has_vote_key,
798 : uchar const * vote_key,
799 : int is_full_client,
800 : int snapshots_enabled,
801 : int is_voting,
802 : int schedule_strategy,
803 : fd_topo_t * topo,
804 : long now );
805 :
806 : fd_gui_t *
807 : fd_gui_join( void * shmem );
808 :
809 : void
810 : fd_gui_set_identity( fd_gui_t * gui,
811 : uchar const * identity_pubkey );
812 :
813 : void
814 : fd_gui_ws_open( fd_gui_t * gui,
815 : ulong conn_id,
816 : long now );
817 :
818 : int
819 : fd_gui_ws_message( fd_gui_t * gui,
820 : ulong ws_conn_id,
821 : uchar const * data,
822 : ulong data_len );
823 :
824 : void
825 : fd_gui_plugin_message( fd_gui_t * gui,
826 : ulong plugin_msg,
827 : uchar const * msg,
828 : long now );
829 :
830 : void
831 : fd_gui_became_leader( fd_gui_t * gui,
832 : ulong slot,
833 : long start_time_nanos,
834 : long end_time_nanos,
835 : ulong max_compute_units,
836 : ulong max_microblocks );
837 :
838 : void
839 : fd_gui_unbecame_leader( fd_gui_t * gui,
840 : ulong _slot,
841 : fd_done_packing_t const * done_packing,
842 : long now );
843 :
844 : void
845 : fd_gui_microblock_execution_begin( fd_gui_t * gui,
846 : long now,
847 : ulong _slot,
848 : fd_txn_e_t * txns,
849 : ulong txn_cnt,
850 : uint microblock_idx,
851 : ulong pack_txn_idx );
852 :
853 : void
854 : fd_gui_microblock_execution_end( fd_gui_t * gui,
855 : long now,
856 : ulong bank_idx,
857 : ulong _slot,
858 : ulong txn_cnt,
859 : fd_txn_p_t * txns,
860 : ulong pack_txn_idx,
861 : uchar txn_start_pct,
862 : uchar txn_load_end_pct,
863 : uchar txn_end_pct,
864 : uchar txn_preload_end_pct,
865 : ulong tips );
866 :
867 : int
868 : fd_gui_poll( fd_gui_t * gui, long now );
869 :
870 : void
871 : fd_gui_handle_block_engine_update( fd_gui_t * gui,
872 : fd_bundle_block_engine_update_t const * update );
873 :
874 : void
875 : fd_gui_handle_shred( fd_gui_t * gui,
876 : ulong slot,
877 : ulong shred_idx,
878 : int is_turbine,
879 : long tsorig );
880 :
881 : void
882 : fd_gui_handle_leader_fec( fd_gui_t * gui,
883 : ulong slot,
884 : ulong fec_shred_cnt,
885 : int is_end_of_slot,
886 : long tsorig );
887 :
888 : void
889 : fd_gui_handle_exec_txn_done( fd_gui_t * gui,
890 : ulong slot,
891 : ulong start_shred_idx,
892 : ulong end_shred_idx,
893 : long tsorig_ns,
894 : long tspub_ns );
895 :
896 : void
897 : fd_gui_handle_repair_slot( fd_gui_t * gui, ulong slot, long now );
898 :
899 : void
900 : fd_gui_handle_repair_request( fd_gui_t * gui, ulong slot, ulong shred_idx, long now );
901 :
902 : void
903 : fd_gui_handle_snapshot_update( fd_gui_t * gui,
904 : fd_snapct_update_t const * msg );
905 :
906 : void
907 : fd_gui_handle_leader_schedule( fd_gui_t * gui,
908 : fd_stake_weight_msg_t const * leader_schedule,
909 : long now );
910 :
911 : void
912 : fd_gui_handle_epoch_info( fd_gui_t * gui,
913 : fd_epoch_info_msg_t const * epoch_info,
914 : long now );
915 :
916 : void
917 : fd_gui_handle_notarization_update( fd_gui_t * gui,
918 : fd_tower_slot_confirmed_t const * notar );
919 :
920 : void
921 : fd_gui_handle_tower_update( fd_gui_t * gui,
922 : fd_tower_slot_done_t const * msg,
923 : long now );
924 :
925 : void
926 : fd_gui_handle_replay_update( fd_gui_t * gui,
927 : fd_gui_slot_completed_t * slot_completed,
928 : fd_hash_t const * block_hash,
929 : ulong vote_slot,
930 : ulong storage_slot,
931 : ulong root_slot,
932 : ulong identity_balance,
933 : long now );
934 :
935 : void
936 : fd_gui_handle_genesis_hash( fd_gui_t * gui,
937 : uchar const * msg );
938 :
939 : static inline ulong
940 0 : fd_gui_current_epoch_idx( fd_gui_t * gui ) {
941 0 : ulong epoch_idx = ULONG_MAX;
942 0 : ulong epoch = ULONG_MAX;
943 0 : for( ulong i = 0UL; i<2UL; i++ ) {
944 0 : if( FD_LIKELY( gui->epoch.has_epoch[ i ] ) ) {
945 : /* the "current" epoch is the smaller one */
946 0 : if( FD_LIKELY( gui->epoch.epochs[ i ].epoch<epoch ) ) {
947 0 : epoch = gui->epoch.epochs[ i ].epoch;
948 0 : epoch_idx = i;
949 0 : }
950 0 : }
951 0 : }
952 0 : return epoch_idx;
953 0 : }
954 :
955 : static inline fd_gui_slot_t *
956 0 : fd_gui_get_slot( fd_gui_t const * gui, ulong _slot ) {
957 0 : fd_gui_slot_t const * slot = gui->slots[ _slot % FD_GUI_SLOTS_CNT ];
958 0 : if( FD_UNLIKELY( slot->slot==ULONG_MAX || _slot==ULONG_MAX || slot->slot!=_slot ) ) return NULL;
959 0 : return (fd_gui_slot_t *)slot;
960 0 : }
961 :
962 : static inline fd_gui_slot_t const *
963 0 : fd_gui_get_slot_const( fd_gui_t const * gui, ulong _slot ) {
964 0 : return fd_gui_get_slot( gui, _slot );
965 0 : }
966 :
967 : static inline fd_gui_leader_slot_t *
968 0 : fd_gui_get_leader_slot( fd_gui_t const * gui, ulong _slot ) {
969 0 : fd_gui_slot_t const * slot = fd_gui_get_slot( gui, _slot );
970 0 : if( FD_UNLIKELY( !slot
971 0 : || !slot->mine
972 0 : || slot->leader_history_idx==ULONG_MAX
973 0 : || slot->leader_history_idx + FD_GUI_LEADER_CNT < gui->leader_slots_cnt
974 0 : || gui->leader_slots[ slot->leader_history_idx % FD_GUI_LEADER_CNT ]->slot!=_slot ) ) return NULL;
975 0 : return (fd_gui_leader_slot_t *)gui->leader_slots[ slot->leader_history_idx % FD_GUI_LEADER_CNT ];
976 0 : }
977 :
978 : static inline fd_gui_leader_slot_t const *
979 0 : fd_gui_get_leader_slot_const( fd_gui_t const * gui, ulong _slot ) {
980 0 : return fd_gui_get_leader_slot( gui, _slot );
981 0 : }
982 :
983 : /* fd_gui_get_root_slot returns a handle to the closest ancestor of slot
984 : that is a root, if available, otherwise NULL. */
985 : static inline fd_gui_slot_t *
986 : fd_gui_get_root_slot( fd_gui_t const * gui,
987 0 : ulong slot ) {
988 0 : fd_gui_slot_t * c = fd_gui_get_slot( gui, slot );
989 0 : while( c ) {
990 0 : if( FD_UNLIKELY( c->level>=FD_GUI_SLOT_LEVEL_ROOTED ) ) return c;
991 0 : c = fd_gui_get_slot( gui, c->parent_slot );
992 0 : }
993 0 : return NULL;
994 0 : }
995 :
996 : /* fd_gui_slot_is_ancestor returns 1 if anc is known to be an ancestor
997 : of slot (on the same fork), 0 otherwise. */
998 : static inline int
999 : fd_gui_slot_is_ancestor( fd_gui_t const * gui,
1000 : ulong anc,
1001 0 : ulong slot ) {
1002 0 : fd_gui_slot_t * c = fd_gui_get_slot( gui, slot );
1003 0 : while( c ) {
1004 0 : if( FD_UNLIKELY( c->slot==anc ) ) return 1;
1005 0 : c = fd_gui_get_slot( gui, c->parent_slot );
1006 0 : }
1007 0 : return 0;
1008 0 : }
1009 :
1010 : /* fd_gui_get_parent_slot_on_fork returns a handle to the parent of slot
1011 : on the fork ending on frontier_slot. If slot is unknown or skipped,
1012 : the closest (by slot number) valid parent on the fork is returned.
1013 :
1014 : NULL if slot is not an ancestor of frontier slot or if the parent is
1015 : unknown. */
1016 : static inline fd_gui_slot_t *
1017 : fd_gui_get_parent_slot_on_fork( fd_gui_t const * gui,
1018 : ulong frontier_slot,
1019 0 : ulong slot ) {
1020 0 : fd_gui_slot_t * c = fd_gui_get_slot( gui, frontier_slot );
1021 0 : while( c ) {
1022 0 : if( FD_UNLIKELY( c->slot<=slot ) ) return NULL;
1023 0 : fd_gui_slot_t * p = fd_gui_get_slot( gui, c->parent_slot );
1024 0 : if( FD_UNLIKELY( p && p->slot<=slot-1UL ) ) return p;
1025 0 : c = p;
1026 0 : }
1027 0 : return NULL;
1028 0 : }
1029 :
1030 : /* fd_gui_is_skipped_on_fork returns 1 if slot is skipped on the fork
1031 : starting at anc and ending at des, 0 otherwise. */
1032 : static inline int
1033 : fd_gui_is_skipped_on_fork( fd_gui_t const * gui,
1034 : ulong anc,
1035 : ulong des,
1036 0 : ulong slot ) {
1037 0 : fd_gui_slot_t const * c = fd_gui_get_slot( gui, des );
1038 0 : while( c ) {
1039 0 : if( FD_UNLIKELY( anc==c->slot ) ) return 0; /* on the fork, not skipped */
1040 0 : fd_gui_slot_t const * p = fd_gui_get_slot( gui, c->parent_slot );
1041 0 : if( FD_UNLIKELY( p && p->slot<slot && c->slot>slot ) ) return 1; /* in-between two nodes, skipped */
1042 0 : c = p;
1043 0 : }
1044 :
1045 0 : return 0; /* slot not between anc and des, or is unknown */
1046 0 : }
1047 :
1048 : FD_PROTOTYPES_END
1049 :
1050 : #endif /* HEADER_fd_src_disco_gui_fd_gui_h */
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