Line data Source code
1 : #include "fd_vote_program.h"
2 : #include "../fd_runtime.h"
3 : #include "../fd_borrowed_account.h"
4 : #include "../fd_executor.h"
5 : #include "../fd_pubkey_utils.h"
6 : #include "../sysvar/fd_sysvar_rent.h"
7 : #include "../sysvar/fd_sysvar_cache.h"
8 : #include "../sysvar/fd_sysvar.h"
9 : #include "../fd_system_ids.h"
10 : #include "vote/fd_authorized_voters.h"
11 : #include "vote/fd_vote_utils.h"
12 : #include "vote/fd_vote_codec.h"
13 : #include "vote/fd_vote_state_versioned.h"
14 : #include "vote/fd_vote_state_v4.h"
15 : #include "../../../ballet/bls/fd_bls12_381.h"
16 :
17 : #include <limits.h>
18 : #include <math.h>
19 : #include <stdio.h>
20 : #include <string.h>
21 :
22 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L36
23 0 : #define INITIAL_LOCKOUT 2UL
24 :
25 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L51
26 : #define VOTE_CREDITS_MAXIMUM_PER_SLOT_OLD 8
27 :
28 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/clock.rs#L147
29 : #define SLOT_DEFAULT 0UL
30 :
31 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/clock.rs#L147
32 : #define SLOT_MAX ULONG_MAX
33 :
34 : #define ACCOUNTS_MAX 4 /* Vote instructions take in at most 4 accounts */
35 :
36 : #define DEFAULT_COMPUTE_UNITS 2100UL
37 : #define COMPUTE_UNITS_POP 34500UL
38 :
39 : /**********************************************************************/
40 : /* VoteStateHandler */
41 : /**********************************************************************/
42 :
43 : /* Check the vote state, deserialize it as V4 and convert older versions
44 : to V4 in-place.
45 : https://github.com/anza-xyz/agave/blob/v4.1.0-alpha.0/programs/vote/src/vote_state/mod.rs#L45-L77 */
46 : static int
47 : get_vote_state_handler_checked( fd_borrowed_account_t const * vote_account,
48 : int target_version,
49 : uchar check_initialized,
50 0 : fd_vote_state_versioned_t * vote_state_versioned ) {
51 0 : (void)target_version;
52 0 : (void)check_initialized; /* V4 vote states are always initialized */
53 :
54 0 : int rc = fd_vsv_deserialize( vote_account->acc, vote_state_versioned );
55 0 : if( FD_UNLIKELY( rc ) ) return rc;
56 :
57 0 : if( FD_UNLIKELY( fd_vsv_is_uninitialized( vote_state_versioned ) ) ) {
58 0 : return FD_EXECUTOR_INSTR_ERR_UNINITIALIZED_ACCOUNT;
59 0 : }
60 :
61 0 : rc = fd_vsv_try_convert_to_v4( vote_state_versioned, (fd_pubkey_t*)vote_account->acc->pubkey );
62 0 : if( FD_UNLIKELY( rc ) ) return rc;
63 :
64 0 : return FD_EXECUTOR_INSTR_SUCCESS;
65 0 : }
66 :
67 : /* https://github.com/anza-xyz/agave/blob/v4.1.0-alpha.0/programs/vote/src/vote_state/handler.rs#L379-L393 */
68 : static int
69 : check_vote_account_length( fd_borrowed_account_t const * vote_account,
70 6 : int target_version ) {
71 6 : (void)target_version;
72 6 : ulong length = fd_borrowed_account_get_data_len( vote_account );
73 6 : if( FD_UNLIKELY( length!=FD_VOTE_STATE_V4_SZ ) ) {
74 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
75 0 : }
76 6 : return FD_EXECUTOR_INSTR_SUCCESS;
77 6 : }
78 :
79 : /* https://github.com/anza-xyz/agave/blob/v4.1.0-alpha.0/programs/vote/src/vote_state/handler.rs#L327-L342 */
80 : static int
81 : init_vote_account_state( fd_exec_instr_ctx_t * ctx,
82 : fd_borrowed_account_t * vote_account,
83 : fd_vote_state_versioned_t * versioned,
84 : int target_version,
85 : fd_vote_init_t * vote_init,
86 6 : fd_sol_sysvar_clock_t const * clock ) {
87 6 : (void)target_version;
88 6 : fd_vote_state_v4_create_new_with_defaults( (fd_pubkey_t*)vote_account->acc->pubkey, vote_init, clock, versioned );
89 6 : return fd_vote_state_v4_set_vote_account_state( ctx, vote_account, versioned );
90 6 : }
91 :
92 : /* https://github.com/anza-xyz/agave/blob/v4.1.0-alpha.0/programs/vote/src/vote_state/handler.rs#L344-L362 */
93 : static int
94 : init_vote_account_state_v2( fd_exec_instr_ctx_t * ctx,
95 : fd_borrowed_account_t * vote_account,
96 : fd_vote_state_versioned_t * versioned,
97 : int target_version,
98 : fd_vote_init_v2_t * vote_init_v2,
99 0 : fd_sol_sysvar_clock_t const * clock ) {
100 0 : (void)target_version;
101 0 : fd_vote_state_v4_create_new( vote_init_v2, clock, versioned );
102 0 : return fd_vote_state_v4_set_vote_account_state( ctx, vote_account, versioned );
103 0 : }
104 :
105 : /**********************************************************************/
106 : /* mod vote_state */
107 : /**********************************************************************/
108 :
109 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L82-L324 */
110 : static int
111 : check_and_filter_proposed_vote_state( fd_exec_instr_ctx_t * ctx,
112 : fd_vote_state_versioned_t * versioned,
113 : fd_vote_lockout_t * proposed_lockouts,
114 : uchar * proposed_has_root,
115 : ulong * proposed_root,
116 : fd_hash_t const * proposed_hash,
117 0 : fd_slot_hashes_t const * slot_hashes ) {
118 0 : fd_landed_vote_t const * votes = fd_vsv_get_votes( versioned );
119 0 : ulong const * root_slot = fd_vsv_get_root_slot( versioned );
120 0 : uchar has_root_slot = !!(root_slot!=NULL);
121 :
122 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L208
123 0 : if( FD_UNLIKELY( deq_fd_vote_lockout_t_empty( proposed_lockouts ) ) ) {
124 0 : ctx->txn_out->err.custom_err = FD_VOTE_ERR_EMPTY_SLOTS;
125 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
126 0 : }
127 0 : fd_landed_vote_t const * last_vote = NULL;
128 0 : if( !deq_fd_landed_vote_t_empty( votes ) ) {
129 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L212
130 0 : last_vote = deq_fd_landed_vote_t_peek_tail_const( votes );
131 0 : }
132 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L218
133 0 : if( FD_LIKELY( last_vote ) ) {
134 0 : if( FD_UNLIKELY( deq_fd_vote_lockout_t_peek_tail_const( proposed_lockouts )->slot <=
135 0 : last_vote->lockout.slot ) ) {
136 0 : ctx->txn_out->err.custom_err = FD_VOTE_ERR_VOTE_TOO_OLD;
137 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
138 0 : }
139 0 : }
140 :
141 : /* must be nonempty, checked above */
142 0 : ulong last_vote_state_update_slot = deq_fd_vote_lockout_t_peek_tail_const( proposed_lockouts )->slot;
143 :
144 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L224
145 0 : if( FD_UNLIKELY( !slot_hashes->cnt ) ) {
146 0 : ctx->txn_out->err.custom_err = FD_VOTE_ERR_SLOTS_MISMATCH;
147 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
148 0 : }
149 :
150 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L227
151 0 : ulong earliest_slot_hash_in_history = slot_hashes->elems[ slot_hashes->cnt-1UL ].slot;
152 :
153 : /* Check if the proposed vote is too old to be in the SlotHash history */
154 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L230
155 0 : if( FD_UNLIKELY( last_vote_state_update_slot < earliest_slot_hash_in_history ) ) {
156 0 : ctx->txn_out->err.custom_err = FD_VOTE_ERR_VOTE_TOO_OLD;
157 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
158 0 : }
159 :
160 : /* Check if the proposed root is too old */
161 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L237
162 0 : if( *proposed_has_root ) {
163 0 : ulong const proposed_root_ = *proposed_root;
164 : /* If the new proposed root `R` is less than the earliest slot hash in the history
165 : such that we cannot verify whether the slot was actually was on this fork, set
166 : the root to the latest vote in the current vote that's less than R. */
167 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L242
168 0 : if( proposed_root_ < earliest_slot_hash_in_history ) {
169 0 : *proposed_has_root = has_root_slot;
170 0 : if( has_root_slot ) {
171 0 : *proposed_root = *root_slot;
172 0 : }
173 0 : for( deq_fd_landed_vote_t_iter_t iter = deq_fd_landed_vote_t_iter_init_rev( votes );
174 0 : !deq_fd_landed_vote_t_iter_done_rev( votes, iter );
175 0 : iter = deq_fd_landed_vote_t_iter_prev( votes, iter ) ) {
176 : /* Ensure we're iterating from biggest to smallest vote in the
177 : current vote state */
178 0 : fd_landed_vote_t const * vote = deq_fd_landed_vote_t_iter_ele_const( votes, iter );
179 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L248
180 0 : if( vote->lockout.slot <= proposed_root_ ) {
181 0 : *proposed_has_root = 1;
182 0 : *proposed_root = vote->lockout.slot;
183 0 : break;
184 0 : }
185 0 : }
186 0 : }
187 0 : }
188 :
189 : /* Index into the new proposed vote state's slots, starting with the root if it exists then
190 : we use this mutable root to fold checking the root slot into the below loop for performance */
191 0 : int has_root_to_check = *proposed_has_root;
192 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L259
193 0 : ulong root_to_check = *proposed_root;
194 0 : ulong proposed_lockouts_index = 0UL;
195 0 : ulong lockouts_len = deq_fd_vote_lockout_t_cnt( proposed_lockouts );
196 :
197 : /* Index into the slot_hashes, starting at the oldest known slot hash */
198 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L264
199 0 : ulong slot_hashes_index = slot_hashes->cnt;
200 :
201 : /* proposed_lockouts_indexes_to_filter's size is bounded by the length
202 : of the proposed lockouts provided in the instruction data. */
203 0 : ulong proposed_lockouts_indexes_to_filter[ FD_VOTE_INSTR_MAX_LOCKOUT_OFFSETS_LEN ];
204 0 : ulong filter_index = 0UL;
205 :
206 : /* Note:
207 :
208 : 1) `vote_state_update.lockouts` is sorted from oldest/smallest vote to newest/largest
209 : vote, due to the way votes are applied to the vote state (newest votes
210 : pushed to the back).
211 :
212 : 2) Conversely, `slot_hashes` is sorted from newest/largest vote to
213 : the oldest/smallest vote.
214 :
215 : Unlike for vote updates, vote state updates here can't only check votes older than the last vote
216 : because have to ensure that every slot is actually part of the history, not just the most
217 : recent ones */
218 :
219 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L279
220 0 : while( proposed_lockouts_index < lockouts_len && slot_hashes_index > 0 ) {
221 0 : ulong proposed_vote_slot =
222 0 : fd_ulong_if( has_root_to_check,
223 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L281
224 0 : root_to_check,
225 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L283
226 0 : deq_fd_vote_lockout_t_peek_index_const( proposed_lockouts,
227 0 : proposed_lockouts_index )
228 0 : ->slot );
229 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L285
230 0 : if( !has_root_to_check && proposed_lockouts_index > 0UL &&
231 0 : proposed_vote_slot <=
232 0 : deq_fd_vote_lockout_t_peek_index_const(
233 0 : proposed_lockouts,
234 0 : fd_ulong_checked_sub_expect(
235 0 : proposed_lockouts_index,
236 0 : 1,
237 0 : "`proposed_lockouts_index` is positive when checking `SlotsNotOrdered`" ) )
238 0 : ->slot ) {
239 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L293
240 0 : ctx->txn_out->err.custom_err = FD_VOTE_ERR_SLOTS_NOT_ORDERED;
241 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
242 0 : }
243 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L295
244 0 : ulong ancestor_slot =
245 0 : slot_hashes->elems[
246 0 : fd_ulong_checked_sub_expect(
247 0 : slot_hashes_index,
248 0 : 1UL,
249 0 : "`slot_hashes_index` is positive when computing `ancestor_slot`" ) ]
250 0 : .slot;
251 : /* Find if this slot in the proposed vote state exists in the SlotHashes history
252 : to confirm if it was a valid ancestor on this fork */
253 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L303
254 0 : if( proposed_vote_slot < ancestor_slot ) {
255 0 : if( slot_hashes_index == slot_hashes->cnt ) {
256 : /* The vote slot does not exist in the SlotHashes history because it's too old,
257 : i.e. older than the oldest slot in the history. */
258 0 : if( proposed_vote_slot >= earliest_slot_hash_in_history ) {
259 0 : ctx->txn_out->err.custom_err = 0;
260 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
261 0 : }
262 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L310
263 0 : if( !fd_vote_contains_slot( votes, proposed_vote_slot ) && !has_root_to_check ) {
264 : /* If the vote slot is both:
265 : 1) Too old
266 : 2) Doesn't already exist in vote state
267 : Then filter it out */
268 0 : proposed_lockouts_indexes_to_filter[filter_index++] = proposed_lockouts_index; }
269 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L318
270 0 : if( has_root_to_check ) {
271 0 : ulong new_proposed_root = root_to_check;
272 : /* 1. Because `root_to_check.is_some()`, then we know that
273 : we haven't checked the root yet in this loop, so
274 : `proposed_vote_slot` == `new_proposed_root` == `vote_state_update.root` */
275 0 : FD_TEST( new_proposed_root == proposed_vote_slot );
276 : /* 2. We know from the assert earlier in the function that
277 : `proposed_vote_slot < earliest_slot_hash_in_history`,
278 : so from 1. we know that `new_proposed_root < earliest_slot_hash_in_history` */
279 0 : if( new_proposed_root >= earliest_slot_hash_in_history ) {
280 0 : ctx->txn_out->err.custom_err = 0;
281 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
282 0 : }
283 :
284 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L329
285 0 : has_root_to_check = 0;
286 0 : root_to_check = ULONG_MAX;
287 0 : } else {
288 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L331
289 0 : proposed_lockouts_index = fd_ulong_checked_add_expect(
290 0 : proposed_lockouts_index,
291 0 : 1,
292 0 : "`proposed_lockouts_index` is bounded by `MAX_LOCKOUT_HISTORY` when "
293 0 : "`proposed_vote_slot` is too old to be in SlotHashes history" );
294 0 : }
295 0 : continue;
296 0 : } else {
297 : /* If the vote slot is new enough to be in the slot history,
298 : but is not part of the slot history, then it must belong to another fork,
299 : which means this vote state update is invalid. */
300 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L340
301 0 : if( has_root_to_check ) {
302 0 : ctx->txn_out->err.custom_err = FD_VOTE_ERR_ROOT_ON_DIFFERENT_FORK;
303 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
304 0 : } else {
305 0 : ctx->txn_out->err.custom_err = FD_VOTE_ERR_SLOTS_MISMATCH;
306 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
307 0 : }
308 0 : }
309 0 : } else if( proposed_vote_slot > ancestor_slot ) {
310 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L347
311 :
312 : /* Decrement `slot_hashes_index` to find newer slots in the SlotHashes history */
313 0 : slot_hashes_index = fd_ulong_checked_sub_expect(
314 0 : slot_hashes_index,
315 0 : 1,
316 0 : "`slot_hashes_index` is positive when finding newer slots in SlotHashes history" );
317 0 : continue;
318 0 : } else {
319 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L354
320 :
321 : /* Once the slot in `vote_state_update.lockouts` is found, bump to the next slot
322 : in `vote_state_update.lockouts` and continue. If we were checking the root,
323 : start checking the vote state instead. */
324 0 : if( has_root_to_check ) {
325 0 : has_root_to_check = 0;
326 0 : root_to_check = ULONG_MAX;
327 0 : } else {
328 0 : proposed_lockouts_index = fd_ulong_checked_add_expect(
329 0 : proposed_lockouts_index,
330 0 : 1,
331 0 : "`proposed_lockouts_index` is bounded by `MAX_LOCKOUT_HISTORY` "
332 0 : "when match is found in SlotHashes history" );
333 0 : slot_hashes_index = fd_ulong_checked_sub_expect(
334 0 : slot_hashes_index,
335 0 : 1,
336 0 : "`slot_hashes_index` is positive when match is found in SlotHashes history" );
337 0 : }
338 0 : }
339 0 : }
340 :
341 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L372
342 0 : if( proposed_lockouts_index != deq_fd_vote_lockout_t_cnt( proposed_lockouts ) ) {
343 : /* The last vote slot in the update did not exist in SlotHashes */
344 0 : ctx->txn_out->err.custom_err = FD_VOTE_ERR_SLOTS_MISMATCH;
345 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
346 0 : }
347 :
348 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L401
349 0 : if( memcmp( &slot_hashes->elems[ slot_hashes_index ].hash,
350 0 : proposed_hash,
351 0 : sizeof( fd_hash_t ) ) != 0 ) {
352 : /* This means the newest vote in the slot has a match that
353 : doesn't match the expected hash for that slot on this fork */
354 0 : ctx->txn_out->err.custom_err = FD_VOTE_ERR_SLOTS_HASH_MISMATCH;
355 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
356 0 : }
357 :
358 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L418
359 : /* Filter out the irrelevant votes */
360 0 : proposed_lockouts_index = 0UL;
361 0 : ulong filter_votes_index = deq_fd_vote_lockout_t_cnt( proposed_lockouts );
362 :
363 : /* We need to iterate backwards here because proposed_lockouts_indexes_to_filter[ i ] is a
364 : strictly increasing value. Forward iterating can lead to the proposed lockout indicies to get
365 : shifted leading to popping the wrong proposed lockouts or out of bounds accessing. We need
366 : to be sure of handling underflow in this case. */
367 :
368 0 : for( ulong i=filter_index; i>0UL && filter_votes_index>0UL; i-- ) {
369 0 : proposed_lockouts_index = i - 1UL;
370 0 : if( FD_UNLIKELY( proposed_lockouts_indexes_to_filter[ proposed_lockouts_index ]>=filter_votes_index ) ) {
371 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
372 0 : }
373 :
374 0 : deq_fd_vote_lockout_t_pop_idx_tail( proposed_lockouts, proposed_lockouts_indexes_to_filter[ proposed_lockouts_index ] );
375 0 : filter_votes_index--;
376 0 : }
377 :
378 0 : return FD_EXECUTOR_INSTR_SUCCESS;
379 0 : }
380 :
381 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L440
382 : static int
383 : check_slots_are_valid( fd_exec_instr_ctx_t * ctx,
384 : fd_vote_state_versioned_t * versioned,
385 : ulong const * vote_slots,
386 : fd_hash_t const * vote_hash,
387 0 : fd_slot_hashes_t const * slot_hashes ) {
388 0 : ulong i = 0;
389 0 : ulong j = slot_hashes->cnt;
390 0 : ulong vote_slots_len = deq_ulong_cnt( vote_slots );
391 :
392 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L462
393 0 : while( i < vote_slots_len && j > 0 ) {
394 0 : ulong const * last_voted_slot_ = fd_vsv_get_last_voted_slot( versioned );
395 0 : if( FD_UNLIKELY( last_voted_slot_ &&
396 0 : *deq_ulong_peek_index_const( vote_slots, i ) <= *last_voted_slot_ ) ) {
397 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L469
398 0 : i = fd_ulong_checked_add_expect(
399 0 : i, 1, "`i` is bounded by `MAX_LOCKOUT_HISTORY` when finding larger slots" );
400 0 : continue;
401 0 : }
402 :
403 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L476
404 0 : if( FD_UNLIKELY(
405 0 : *deq_ulong_peek_index_const( vote_slots, i ) !=
406 0 : slot_hashes->elems[
407 0 : fd_ulong_checked_sub_expect( j, 1, "`j` is positive" ) ]
408 0 : .slot ) ) {
409 0 : j = fd_ulong_checked_sub_expect( j, 1, "`j` is positive when finding newer slots" );
410 0 : continue;
411 0 : }
412 :
413 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L486
414 0 : i = fd_ulong_checked_add_expect(
415 0 : i, 1, "`i` is bounded by `MAX_LOCKOUT_HISTORY` when hash is found" );
416 0 : j = fd_ulong_checked_sub_expect( j, 1, "`j` is positive when hash is found" );
417 0 : }
418 :
419 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L494
420 0 : if( FD_UNLIKELY( j == slot_hashes->cnt ) ) {
421 0 : ctx->txn_out->err.custom_err = FD_VOTE_ERR_VOTE_TOO_OLD;
422 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
423 0 : }
424 0 : if( FD_UNLIKELY( i != vote_slots_len ) ) {
425 0 : ctx->txn_out->err.custom_err = FD_VOTE_ERR_SLOTS_MISMATCH;
426 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
427 0 : }
428 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L514
429 0 : if( FD_UNLIKELY( 0 != memcmp( &slot_hashes->elems[ j ].hash,
430 0 : vote_hash,
431 0 : 32UL ) ) ) {
432 0 : ctx->txn_out->err.custom_err = FD_VOTE_ERR_SLOTS_HASH_MISMATCH;
433 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
434 0 : }
435 0 : return 0;
436 0 : }
437 :
438 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L565
439 : static int
440 : process_new_vote_state( fd_exec_instr_ctx_t * ctx,
441 : fd_vote_state_versioned_t * versioned,
442 : fd_landed_vote_t * new_state,
443 : int has_new_root,
444 : ulong new_root,
445 : int has_timestamp,
446 : long timestamp,
447 : ulong epoch,
448 0 : ulong current_slot ) {
449 0 : int rc;
450 0 : fd_landed_vote_t * votes = fd_vsv_get_votes_mutable( versioned );
451 0 : ulong const * root_slot = fd_vsv_get_root_slot( versioned );
452 0 : uchar has_root_slot = !!(root_slot!=NULL);
453 :
454 0 : FD_TEST( !deq_fd_landed_vote_t_empty( new_state ) );
455 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L575
456 0 : if( FD_UNLIKELY( deq_fd_landed_vote_t_cnt( new_state ) > MAX_LOCKOUT_HISTORY ) ) {
457 0 : ctx->txn_out->err.custom_err = FD_VOTE_ERR_TOO_MANY_VOTES;
458 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
459 0 : };
460 :
461 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L579
462 0 : if( FD_UNLIKELY( has_new_root && has_root_slot ) ) {
463 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L581
464 0 : if( FD_UNLIKELY( new_root<*root_slot ) ) {
465 0 : ctx->txn_out->err.custom_err = FD_VOTE_ERR_ROOT_ROLL_BACK;
466 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
467 0 : }
468 0 : } else if( FD_UNLIKELY( !has_new_root && has_root_slot ) ) {
469 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L586
470 0 : ctx->txn_out->err.custom_err = FD_VOTE_ERR_ROOT_ROLL_BACK;
471 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
472 0 : } else {
473 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L588
474 : /* no-op */
475 0 : }
476 :
477 0 : fd_landed_vote_t * previous_vote = NULL;
478 0 : for( deq_fd_landed_vote_t_iter_t iter = deq_fd_landed_vote_t_iter_init( new_state );
479 0 : !deq_fd_landed_vote_t_iter_done( new_state, iter );
480 0 : iter = deq_fd_landed_vote_t_iter_next( new_state, iter ) ) {
481 0 : fd_landed_vote_t * vote = deq_fd_landed_vote_t_iter_ele( new_state, iter );
482 0 : if( FD_LIKELY( vote->lockout.confirmation_count == 0 ) ) {
483 0 : ctx->txn_out->err.custom_err = FD_VOTE_ERR_ZERO_CONFIRMATIONS;
484 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
485 0 : } else if( FD_UNLIKELY( vote->lockout.confirmation_count > MAX_LOCKOUT_HISTORY ) ) {
486 0 : ctx->txn_out->err.custom_err = FD_VOTE_ERR_CONFIRMATION_TOO_LARGE;
487 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
488 0 : } else if( FD_LIKELY( has_new_root ) ) {
489 0 : if( FD_UNLIKELY( vote->lockout.slot <= new_root && new_root != SLOT_DEFAULT ) ) {
490 0 : ctx->txn_out->err.custom_err = FD_VOTE_ERR_SLOT_SMALLER_THAN_ROOT;
491 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
492 0 : }
493 0 : }
494 :
495 0 : if( FD_LIKELY( previous_vote ) ) {
496 0 : if( FD_UNLIKELY( previous_vote->lockout.slot >= vote->lockout.slot ) ) {
497 0 : ctx->txn_out->err.custom_err = FD_VOTE_ERR_SLOTS_NOT_ORDERED;
498 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
499 0 : } else if( FD_UNLIKELY( previous_vote->lockout.confirmation_count <=
500 0 : vote->lockout.confirmation_count ) ) {
501 0 : ctx->txn_out->err.custom_err = FD_VOTE_ERR_CONFIRMATIONS_NOT_ORDERED;
502 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
503 0 : } else if( FD_UNLIKELY( vote->lockout.slot >
504 0 : fd_vote_lockout_last_locked_out_slot( &previous_vote->lockout ) ) ) {
505 0 : ctx->txn_out->err.custom_err = FD_VOTE_ERR_NEW_VOTE_STATE_LOCKOUT_MISMATCH;
506 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
507 0 : }
508 0 : }
509 0 : previous_vote = vote;
510 0 : }
511 :
512 0 : ulong current_vote_state_index = 0;
513 0 : ulong new_vote_state_index = 0;
514 :
515 : /* Accumulate credits earned by newly rooted slots. The behavior changes with
516 : timely_vote_credits: prior to this feature, there was a bug that counted a new root slot as 1
517 : credit even if it had never been voted on. timely_vote_credits fixes this bug by only awarding
518 : credits for slots actually voted on and finalized. */
519 :
520 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L635
521 :
522 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L641
523 0 : ulong earned_credits = 0;
524 :
525 0 : if( FD_LIKELY( has_new_root ) ) {
526 0 : for( deq_fd_landed_vote_t_iter_t iter = deq_fd_landed_vote_t_iter_init( votes );
527 0 : !deq_fd_landed_vote_t_iter_done( votes, iter );
528 0 : iter = deq_fd_landed_vote_t_iter_next( votes, iter ) ) {
529 0 : fd_landed_vote_t const * current_vote = deq_fd_landed_vote_t_iter_ele_const( votes, iter );
530 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L647
531 0 : if( FD_UNLIKELY( current_vote->lockout.slot <= new_root ) ) {
532 : // this is safe because we're inside if has_new_root
533 0 : earned_credits = fd_ulong_checked_add_expect(
534 0 : fd_vote_credits_for_vote_at_index(
535 0 : votes,
536 0 : current_vote_state_index
537 0 : ),
538 0 : earned_credits,
539 0 : "`earned_credits` does not overflow" );
540 0 : current_vote_state_index = fd_ulong_checked_add_expect(
541 0 : current_vote_state_index,
542 0 : 1,
543 0 : "`current_vote_state_index` is bounded by `MAX_LOCKOUT_HISTORY` "
544 0 : "when processing new root" );
545 0 : continue;
546 0 : }
547 0 : break;
548 0 : }
549 0 : }
550 :
551 : // For any slots newly added to the new vote state, the vote latency of that slot is not provided by the
552 : // vote instruction contents, but instead is computed from the actual latency of the vote
553 : // instruction. This prevents other validators from manipulating their own vote latencies within their vote states
554 : // and forcing the rest of the cluster to accept these possibly fraudulent latency values. If the
555 : // timly_vote_credits feature is not enabled then vote latency is set to 0 for new votes.
556 : //
557 : // For any slot that is in both the new state and the current state, the vote latency of the new state is taken
558 : // from the current state.
559 : //
560 : // Thus vote latencies are set here for any newly vote-on slots when a vote instruction is received.
561 : // They are copied into the new vote state after every vote for already voted-on slots.
562 : // And when voted-on slots are rooted, the vote latencies stored in the vote state of all the rooted slots is used
563 : // to compute credits earned.
564 : // All validators compute the same vote latencies because all process the same vote instruction at the
565 : // same slot, and the only time vote latencies are ever computed is at the time that their slot is first voted on;
566 : // after that, the latencies are retained unaltered until the slot is rooted.
567 :
568 : // All the votes in our current vote state that are missing from the new vote state
569 : // must have been expired by later votes. Check that the lockouts match this assumption.
570 :
571 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L686
572 0 : while( current_vote_state_index < deq_fd_landed_vote_t_cnt( votes ) &&
573 0 : new_vote_state_index < deq_fd_landed_vote_t_cnt( new_state ) ) {
574 0 : fd_landed_vote_t const * current_vote = deq_fd_landed_vote_t_peek_index_const( votes, current_vote_state_index );
575 :
576 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L690
577 0 : fd_landed_vote_t * new_vote =
578 0 : deq_fd_landed_vote_t_peek_index( new_state, new_vote_state_index );
579 :
580 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L696
581 0 : if( FD_LIKELY( current_vote->lockout.slot < new_vote->lockout.slot ) ) {
582 : /* The agave implementation of calculating the last locked out
583 : slot does not calculate a min between the current vote's
584 : confirmation count and max lockout history. The reason we do
585 : this is to make sure that the fuzzers continue working:
586 : the max lockout history can not be > MAX_LOCKOUT_HISTORY. */
587 0 : ulong confirmation_count = fd_ulong_min( current_vote->lockout.confirmation_count, MAX_LOCKOUT_HISTORY );
588 0 : ulong last_locked_out_slot = fd_ulong_sat_add( current_vote->lockout.slot,
589 0 : (ulong)pow( INITIAL_LOCKOUT, (double)confirmation_count ) );
590 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L697
591 0 : if( last_locked_out_slot >= new_vote->lockout.slot ) {
592 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L698
593 0 : ctx->txn_out->err.custom_err = FD_VOTE_ERR_LOCKOUT_CONFLICT;
594 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
595 0 : }
596 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L700
597 0 : current_vote_state_index =
598 0 : fd_ulong_checked_add_expect( current_vote_state_index,
599 0 : 1,
600 0 : "`current_vote_state_index` is bounded by "
601 0 : "`MAX_LOCKOUT_HISTORY` when slot is less than proposed" );
602 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L704
603 0 : } else if( FD_UNLIKELY( current_vote->lockout.slot == new_vote->lockout.slot ) ) {
604 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L707
605 0 : if( new_vote->lockout.confirmation_count < current_vote->lockout.confirmation_count ) {
606 0 : ctx->txn_out->err.custom_err = FD_VOTE_ERR_CONFIRMATION_ROLL_BACK;
607 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
608 0 : }
609 :
610 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L712
611 0 : new_vote->latency = deq_fd_landed_vote_t_peek_index_const( votes, current_vote_state_index )->latency;
612 :
613 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L714
614 0 : current_vote_state_index =
615 0 : fd_ulong_checked_add_expect( current_vote_state_index,
616 0 : 1,
617 0 : "`current_vote_state_index` is bounded by "
618 0 : "`MAX_LOCKOUT_HISTORY` when slot is equal to proposed" );
619 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L717
620 0 : new_vote_state_index =
621 0 : fd_ulong_checked_add_expect( new_vote_state_index,
622 0 : 1,
623 0 : "`new_vote_state_index` is bounded by `MAX_LOCKOUT_HISTORY` "
624 0 : "when slot is equal to proposed" );
625 0 : } else {
626 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L722
627 0 : new_vote_state_index =
628 0 : fd_ulong_checked_add_expect( new_vote_state_index,
629 0 : 1,
630 0 : "`new_vote_state_index` is bounded by `MAX_LOCKOUT_HISTORY` "
631 0 : "when slot is greater than proposed" );
632 0 : }
633 0 : }
634 :
635 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L737
636 0 : for( deq_fd_landed_vote_t_iter_t iter = deq_fd_landed_vote_t_iter_init( new_state );
637 0 : !deq_fd_landed_vote_t_iter_done( new_state, iter );
638 0 : iter = deq_fd_landed_vote_t_iter_next( new_state, iter ) ) {
639 0 : fd_landed_vote_t * new_vote = deq_fd_landed_vote_t_iter_ele( new_state, iter );
640 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L738
641 0 : if( FD_UNLIKELY( new_vote->latency == 0 ) ) {
642 : // this is unlikely because as validators upgrade, it should converge to the new vote state
643 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L739
644 0 : new_vote->latency = fd_vote_compute_vote_latency( new_vote->lockout.slot, current_slot );
645 0 : }
646 0 : }
647 :
648 : // doesn't matter what the value of slot if `is_some = 0` i.e. `Option::None`
649 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L744
650 0 : int both_none = !has_root_slot && !has_new_root;
651 0 : if( ( !both_none && ( has_root_slot!=has_new_root ||
652 0 : *root_slot!=new_root ) ) ) {
653 0 : fd_vsv_increment_credits( versioned, epoch, earned_credits );
654 0 : }
655 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L750
656 0 : if( FD_LIKELY( has_timestamp ) ) {
657 : /* new_state asserted nonempty at function beginning */
658 0 : if( FD_UNLIKELY( deq_fd_landed_vote_t_empty( new_state ) ) ) {
659 0 : FD_LOG_CRIT(( "invariant violation: landed votes is empty" ));
660 0 : }
661 0 : ulong last_slot = deq_fd_landed_vote_t_peek_tail( new_state )->lockout.slot;
662 0 : rc = fd_vsv_process_timestamp( ctx, versioned, last_slot, timestamp );
663 0 : if( FD_UNLIKELY( rc ) ) { return rc; }
664 0 : }
665 :
666 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L754
667 0 : fd_vsv_set_root_slot( versioned, has_new_root ? &new_root : NULL );
668 :
669 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L755
670 0 : deq_fd_landed_vote_t_remove_all( votes );
671 0 : for( deq_fd_landed_vote_t_iter_t iter = deq_fd_landed_vote_t_iter_init( new_state );
672 0 : !deq_fd_landed_vote_t_iter_done( new_state, iter );
673 0 : iter = deq_fd_landed_vote_t_iter_next( new_state, iter ) ) {
674 0 : fd_landed_vote_t * landed_vote = deq_fd_landed_vote_t_iter_ele( new_state, iter );
675 0 : deq_fd_landed_vote_t_push_tail_wrap( votes, *landed_vote );
676 0 : }
677 :
678 0 : return FD_EXECUTOR_INSTR_SUCCESS;
679 0 : }
680 :
681 : __attribute__((weak)) int
682 : fd_bls12_381_proof_of_possession_verify( uchar const msg[],
683 : ulong msg_sz,
684 : uchar const proof[ static FD_BLS_PROOF_OF_POSSESSION_COMPRESSED_SZ ],
685 0 : uchar const public_key[ static FD_BLS_PUBKEY_COMPRESSED_SZ ] ) {
686 0 : (void)msg; (void)msg_sz; (void)proof; (void)public_key;
687 0 : FD_LOG_ERR(( "This build does not include BLST, which is required to run a validator.\n"
688 0 : "To install BLST, re-run ./deps.sh, make distclean, and make -j" ));
689 0 : }
690 :
691 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-alpha.0/programs/vote/src/vote_state/mod.rs#L1059-L1108 */
692 : #define FD_VOTE_BLS_MSG_SZ ( 9 + 32 + 48 )
693 : static int
694 : fd_vote_verify_bls_proof_of_possession( fd_exec_instr_ctx_t * ctx,
695 : uchar const vote_account_pubkey[ static 32 ],
696 : uchar const bls_pubkey[ static FD_BLS_PUBKEY_COMPRESSED_SZ ],
697 0 : uchar const bls_proof[ static FD_BLS_PROOF_OF_POSSESSION_COMPRESSED_SZ ] ) {
698 : /* Consume CUs for proof of possession */
699 0 : FD_EXEC_CU_UPDATE( ctx, COMPUTE_UNITS_POP );
700 :
701 : /* Build message */
702 0 : uchar msg[ FD_VOTE_BLS_MSG_SZ ];
703 0 : memcpy( msg, "ALPENGLOW", 9 );
704 0 : memcpy( msg+9, vote_account_pubkey, 32 );
705 0 : memcpy( msg+9+32, bls_pubkey, 48 );
706 :
707 : /* Verify */
708 0 : if( FD_UNLIKELY( fd_bls12_381_proof_of_possession_verify(
709 0 : msg,
710 0 : FD_VOTE_BLS_MSG_SZ,
711 0 : bls_proof,
712 0 : bls_pubkey
713 0 : )!=FD_BLS_SUCCESS ) ) {
714 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
715 0 : }
716 0 : return 0;
717 0 : }
718 : #undef FD_VOTE_BLS_MSG_SZ
719 :
720 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L716-L759 */
721 : static int
722 : authorize( fd_exec_instr_ctx_t * ctx,
723 : fd_borrowed_account_t * vote_account,
724 : int target_version,
725 : fd_pubkey_t const * authorized,
726 : fd_vote_authorize_t const * vote_authorize,
727 : fd_pubkey_t const * signers[static FD_TXN_SIG_MAX],
728 : ulong signers_cnt,
729 : fd_sol_sysvar_clock_t const * clock,
730 0 : int is_vote_authorize_with_bls_enabled ) {
731 0 : fd_vote_state_versioned_t * vote_state_versioned = &ctx->runtime->vote_program.authorize.vote_state;
732 :
733 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L724-L727 */
734 0 : int rc = get_vote_state_handler_checked( vote_account, target_version, 0, vote_state_versioned );
735 0 : if( FD_UNLIKELY( rc ) ) return rc;
736 :
737 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L729-L756 */
738 0 : switch( vote_authorize->discriminant ) {
739 :
740 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L730-L750 */
741 0 : case fd_vote_authorize_enum_voter: {
742 :
743 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-alpha.0/programs/vote/src/vote_state/mod.rs#L741-L743 */
744 0 : if( FD_UNLIKELY( is_vote_authorize_with_bls_enabled && fd_vsv_has_bls_pubkey( vote_state_versioned ) ) ) {
745 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
746 0 : }
747 :
748 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L731-L732 */
749 0 : int authorized_withdrawer_signer = !fd_vote_verify_authorized_signer(
750 0 : fd_vsv_get_authorized_withdrawer( vote_state_versioned ),
751 0 : signers,
752 0 : signers_cnt
753 0 : );
754 :
755 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L737-L740 */
756 0 : ulong target_epoch;
757 0 : rc = fd_ulong_checked_add( clock->leader_schedule_epoch, 1UL, &target_epoch );
758 0 : if( FD_UNLIKELY( rc!=FD_EXECUTOR_INSTR_SUCCESS ) ) {
759 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
760 0 : }
761 :
762 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-alpha.0/programs/vote/src/vote_state/mod.rs#L747 */
763 0 : rc = fd_vsv_set_new_authorized_voter(
764 0 : ctx,
765 0 : vote_state_versioned,
766 0 : authorized,
767 0 : clock->epoch,
768 0 : target_epoch,
769 0 : NULL, /* no BLS pubkey */
770 0 : authorized_withdrawer_signer,
771 0 : signers,
772 0 : signers_cnt
773 0 : );
774 0 : if( FD_UNLIKELY( rc ) ) return rc;
775 0 : break;
776 0 : }
777 :
778 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L751-L756 */
779 0 : case fd_vote_authorize_enum_withdrawer: {
780 0 : rc = fd_vote_verify_authorized_signer(
781 0 : fd_vsv_get_authorized_withdrawer( vote_state_versioned ),
782 0 : signers,
783 0 : signers_cnt
784 0 : );
785 0 : if( FD_UNLIKELY( rc ) ) return rc;
786 0 : fd_vsv_set_authorized_withdrawer( vote_state_versioned, authorized );
787 0 : break;
788 0 : }
789 :
790 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-alpha.0/programs/vote/src/vote_state/mod.rs#L770 */
791 0 : case fd_vote_authorize_enum_voter_with_bls: {
792 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-alpha.0/programs/vote/src/vote_state/mod.rs#L771-L773 */
793 0 : if( FD_UNLIKELY( !is_vote_authorize_with_bls_enabled ) ) {
794 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
795 0 : }
796 :
797 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-alpha.0/programs/vote/src/vote_state/mod.rs#L774-L775 */
798 0 : int authorized_withdrawer_signer = !fd_vote_verify_authorized_signer(
799 0 : fd_vsv_get_authorized_withdrawer( vote_state_versioned ),
800 0 : signers,
801 0 : signers_cnt
802 0 : );
803 :
804 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-alpha.0/programs/vote/src/vote_state/mod.rs#L777-L782 */
805 0 : rc = fd_vote_verify_bls_proof_of_possession(
806 0 : ctx,
807 0 : vote_account->acc->pubkey,
808 0 : vote_authorize->voter_with_bls.bls_pubkey,
809 0 : vote_authorize->voter_with_bls.bls_proof_of_possession
810 0 : );
811 0 : if( FD_UNLIKELY( rc ) ) {
812 0 : return rc;
813 0 : }
814 :
815 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-alpha.0/programs/vote/src/vote_state/mod.rs#L787-L790 */
816 0 : ulong target_epoch;
817 0 : rc = fd_ulong_checked_add( clock->leader_schedule_epoch, 1UL, &target_epoch );
818 0 : if( FD_UNLIKELY( rc!=FD_EXECUTOR_INSTR_SUCCESS ) ) {
819 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
820 0 : }
821 :
822 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-alpha.0/programs/vote/src/vote_state/mod.rs#L784 */
823 0 : rc = fd_vsv_set_new_authorized_voter(
824 0 : ctx,
825 0 : vote_state_versioned,
826 0 : authorized,
827 0 : clock->epoch,
828 0 : target_epoch,
829 0 : vote_authorize->voter_with_bls.bls_pubkey,
830 0 : authorized_withdrawer_signer,
831 0 : signers,
832 0 : signers_cnt
833 0 : );
834 0 : if( FD_UNLIKELY( rc ) ) return rc;
835 :
836 0 : break;
837 0 : }
838 :
839 0 : default:
840 0 : FD_LOG_CRIT(( "unsupported vote_authorize discriminant: %u", vote_authorize->discriminant ));
841 0 : }
842 :
843 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L758 */
844 0 : return fd_vsv_set_vote_account_state( ctx, vote_account, vote_state_versioned );
845 0 : }
846 :
847 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-alpha.0/programs/vote/src/vote_state/mod.rs#L808-L835 */
848 : static int
849 : update_validator_identity( fd_exec_instr_ctx_t * ctx,
850 : int target_version,
851 : fd_borrowed_account_t * vote_account,
852 : fd_pubkey_t const * node_pubkey,
853 : fd_pubkey_t const * signers[static FD_TXN_SIG_MAX],
854 : ulong signers_cnt,
855 0 : int custom_commission_collector_enabled ) {
856 0 : fd_vote_state_versioned_t * vote_state_versioned = &ctx->runtime->vote_program.update_validator_identity.vote_state;
857 :
858 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L768-L771 */
859 0 : int rc = get_vote_state_handler_checked( vote_account, target_version, 0, vote_state_versioned );
860 0 : if( FD_UNLIKELY( rc ) ) return rc;
861 :
862 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L774 */
863 0 : rc = fd_vote_verify_authorized_signer(
864 0 : fd_vsv_get_authorized_withdrawer( vote_state_versioned ),
865 0 : signers,
866 0 : signers_cnt
867 0 : );
868 0 : if( FD_UNLIKELY( rc ) ) return rc;
869 :
870 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L777 */
871 0 : rc = fd_vote_verify_authorized_signer( node_pubkey, signers, signers_cnt );
872 0 : if( FD_UNLIKELY( rc ) ) return rc;
873 :
874 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-alpha.0/programs/vote/src/vote_state/mod.rs#L826 */
875 0 : fd_vsv_set_node_pubkey( vote_state_versioned, node_pubkey );
876 :
877 : /* Before SIMD-0232, block_revenue_collector is always synced with node_pubkey.
878 : After SIMD-0232, the collector can be set independently.
879 : https://github.com/anza-xyz/agave/blob/v4.0.0-alpha.0/programs/vote/src/vote_state/mod.rs#L828-L832 */
880 0 : if( !custom_commission_collector_enabled ) {
881 0 : fd_vsv_set_block_revenue_collector( vote_state_versioned, node_pubkey );
882 0 : }
883 :
884 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-alpha.0/programs/vote/src/vote_state/mod.rs#L834 */
885 0 : return fd_vsv_set_vote_account_state( ctx, vote_account, vote_state_versioned );
886 0 : }
887 :
888 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L971
889 : static int
890 0 : is_commission_update_allowed( ulong slot, fd_epoch_schedule_t const * epoch_schedule ) {
891 0 : if( FD_LIKELY( epoch_schedule->slots_per_epoch > 0UL ) ) {
892 0 : ulong relative_slot = fd_ulong_sat_sub( slot, epoch_schedule->first_normal_slot );
893 : // TODO underflow and overflow edge cases in addition to div by 0
894 0 : relative_slot %= epoch_schedule->slots_per_epoch;
895 0 : return fd_ulong_sat_mul( relative_slot, 2 ) <= epoch_schedule->slots_per_epoch;
896 0 : } else {
897 0 : return 1;
898 0 : }
899 0 : }
900 :
901 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-alpha.0/programs/vote/src/vote_state/mod.rs#L838-L869 */
902 : static int
903 : update_commission( fd_exec_instr_ctx_t * ctx,
904 : int target_version,
905 : fd_borrowed_account_t * vote_account,
906 : uchar commission,
907 : fd_pubkey_t const * signers[static FD_TXN_SIG_MAX],
908 : ulong signers_cnt,
909 : fd_epoch_schedule_t const * epoch_schedule,
910 : fd_sol_sysvar_clock_t const * clock,
911 0 : int disable_commission_update_rule ) {
912 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L796-L799 */
913 0 : int rc = 0;
914 0 : int get_vsv_rc = get_vote_state_handler_checked(
915 0 : vote_account,
916 0 : target_version,
917 0 : false,
918 0 : &ctx->runtime->vote_program.update_commission.vote_state
919 0 : );
920 :
921 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-alpha.0/programs/vote/src/vote_state/mod.rs#L851-L855 */
922 0 : fd_vote_state_versioned_t * vote_state_versioned = NULL;
923 0 : int enforce_commission_update_rule = !disable_commission_update_rule;
924 0 : if( FD_LIKELY( get_vsv_rc==FD_EXECUTOR_INSTR_SUCCESS ) ) {
925 0 : vote_state_versioned = &ctx->runtime->vote_program.update_commission.vote_state;
926 0 : enforce_commission_update_rule = (!disable_commission_update_rule) && (commission>fd_vsv_get_commission( vote_state_versioned ));
927 0 : }
928 :
929 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L806-L808 */
930 0 : if( FD_UNLIKELY( enforce_commission_update_rule && !is_commission_update_allowed( clock->slot, epoch_schedule ) ) ) {
931 0 : ctx->txn_out->err.custom_err = FD_VOTE_ERR_COMMISSION_UPDATE_TOO_LATE;
932 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
933 0 : }
934 :
935 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L810 */
936 0 : if( FD_UNLIKELY( get_vsv_rc ) ) return get_vsv_rc;
937 :
938 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L813 */
939 0 : rc = fd_vote_verify_authorized_signer(
940 0 : fd_vsv_get_authorized_withdrawer( vote_state_versioned ),
941 0 : signers,
942 0 : signers_cnt
943 0 : );
944 0 : if( FD_UNLIKELY( rc ) ) return rc;
945 :
946 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L815 */
947 0 : fd_vsv_set_commission( vote_state_versioned, commission );
948 :
949 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L817 */
950 0 : return fd_vsv_set_vote_account_state( ctx, vote_account, vote_state_versioned );
951 0 : }
952 :
953 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-beta.6/programs/vote/src/vote_state/mod.rs#L871-L906 */
954 : static int
955 : update_commission_bps( fd_exec_instr_ctx_t * ctx,
956 : fd_borrowed_account_t * vote_account,
957 : int target_version,
958 : fd_update_commission_bps_args_t const * args,
959 : fd_pubkey_t const * signers[static FD_TXN_SIG_MAX],
960 : ulong signers_cnt,
961 0 : int block_revenue_sharing ) {
962 0 : fd_vote_state_versioned_t * vote_state_versioned = &ctx->runtime->vote_program.update_commission_bps.vote_state;
963 :
964 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-beta.6/programs/vote/src/vote_state/mod.rs#L882-L884 */
965 0 : if( FD_UNLIKELY( args->kind.discriminant==fd_commission_kind_enum_block_revenue && !block_revenue_sharing ) ) {
966 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
967 0 : }
968 :
969 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-beta.6/programs/vote/src/vote_state/mod.rs#L886-L889 */
970 0 : int rc = get_vote_state_handler_checked( vote_account, target_version, false, vote_state_versioned );
971 0 : if( FD_UNLIKELY( rc ) ) return rc;
972 :
973 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-beta.6/programs/vote/src/vote_state/mod.rs#L894 */
974 0 : rc = fd_vote_verify_authorized_signer(
975 0 : fd_vsv_get_authorized_withdrawer( vote_state_versioned ),
976 0 : signers,
977 0 : signers_cnt
978 0 : );
979 0 : if( FD_UNLIKELY( rc ) ) return rc;
980 :
981 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-beta.6/programs/vote/src/vote_state/mod.rs#L896-L903 */
982 0 : switch( args->kind.discriminant ) {
983 0 : case fd_commission_kind_enum_inflation_rewards: {
984 0 : fd_vsv_set_inflation_rewards_commission_bps( vote_state_versioned, args->commission_bps );
985 0 : break;
986 0 : }
987 0 : case fd_commission_kind_enum_block_revenue: {
988 0 : fd_vsv_set_block_revenue_commission_bps( vote_state_versioned, args->commission_bps );
989 0 : break;
990 0 : }
991 0 : default: {
992 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
993 0 : }
994 0 : }
995 :
996 0 : return fd_vsv_set_vote_account_state( ctx, vote_account, vote_state_versioned );
997 0 : }
998 :
999 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L848C8-L903 */
1000 : static int
1001 : withdraw( fd_exec_instr_ctx_t * ctx,
1002 : fd_borrowed_account_t * vote_account,
1003 : int target_version,
1004 : ulong lamports,
1005 : ushort to_account_index,
1006 : fd_pubkey_t const * signers[static FD_TXN_SIG_MAX],
1007 : ulong signers_cnt,
1008 : fd_rent_t const * rent_sysvar,
1009 : fd_sol_sysvar_clock_t const * clock,
1010 0 : int * deinitialized ) {
1011 0 : fd_vote_state_versioned_t * versioned = &ctx->runtime->vote_program.withdraw.vote_state;
1012 0 : *deinitialized = 0;
1013 :
1014 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L860-L863 */
1015 0 : int rc = get_vote_state_handler_checked( vote_account, target_version, 0, versioned );
1016 0 : if( FD_UNLIKELY( rc ) ) return rc;
1017 :
1018 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L865 */
1019 0 : rc = fd_vote_verify_authorized_signer(
1020 0 : fd_vsv_get_authorized_withdrawer( versioned ),
1021 0 : signers,
1022 0 : signers_cnt
1023 0 : );
1024 0 : if( FD_UNLIKELY( rc ) ) return rc;
1025 :
1026 : /* Always zero until SIMD-0123 is activated.
1027 : https://github.com/anza-xyz/agave/blob/v4.0.0-alpha.0/programs/vote/src/vote_state/mod.rs#L1136 */
1028 0 : ulong pending_delegator_rewards = fd_vsv_get_pending_delegator_rewards( versioned );
1029 :
1030 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L867-L870 */
1031 0 : ulong vote_account_lamports = fd_borrowed_account_get_lamports( vote_account );
1032 0 : if( FD_UNLIKELY( lamports>vote_account_lamports ) ) {
1033 0 : return FD_EXECUTOR_INSTR_ERR_INSUFFICIENT_FUNDS;
1034 0 : }
1035 0 : ulong remaining_balance = vote_account_lamports-lamports;
1036 :
1037 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L872-L896 */
1038 0 : if( FD_UNLIKELY( remaining_balance==0UL ) ) {
1039 : /* SIMD-0123: vote account cannot be closed if pending_delegator_rewards > 0.
1040 : https://github.com/anza-xyz/agave/blob/v4.0.0-alpha.0/programs/vote/src/vote_state/mod.rs#L1139-L1143 */
1041 0 : if( FD_UNLIKELY( pending_delegator_rewards > 0 ) ) {
1042 0 : return FD_EXECUTOR_INSTR_ERR_INSUFFICIENT_FUNDS;
1043 0 : }
1044 :
1045 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L873-L883 */
1046 0 : fd_vote_epoch_credits_t const * epoch_credits = fd_vsv_get_epoch_credits( versioned );
1047 0 : ulong last_epoch_with_credits;
1048 0 : int reject_active_vote_account_close = 0;
1049 0 : if( FD_LIKELY( !deq_fd_vote_epoch_credits_t_empty( epoch_credits ) ) ) {
1050 0 : ulong current_epoch = clock->epoch;
1051 0 : last_epoch_with_credits = deq_fd_vote_epoch_credits_t_peek_tail_const( epoch_credits )->epoch;
1052 0 : reject_active_vote_account_close = fd_ulong_sat_sub( current_epoch, last_epoch_with_credits )<2UL;
1053 0 : }
1054 :
1055 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L885-L890 */
1056 0 : if( FD_UNLIKELY( reject_active_vote_account_close ) ) {
1057 0 : ctx->txn_out->err.custom_err = FD_VOTE_ERR_ACTIVE_VOTE_ACCOUNT_CLOSE;
1058 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1059 0 : } else {
1060 0 : rc = fd_vsv_deinitialize_vote_account_state(
1061 0 : ctx,
1062 0 : vote_account,
1063 0 : target_version
1064 0 : );
1065 0 : if( FD_UNLIKELY( rc ) ) return rc;
1066 0 : *deinitialized = 1;
1067 0 : }
1068 0 : } else {
1069 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L892-L895 */
1070 0 : ulong min_rent_exempt_balance = fd_rent_exempt_minimum_balance( rent_sysvar, fd_borrowed_account_get_data_len( vote_account ) );
1071 :
1072 : /* SIMD-0123: withdrawable balance when pending_delegator_rewards > 0
1073 : is lamports - pending_delegator_rewards - rent_exempt_minimum.
1074 : https://github.com/anza-xyz/agave/blob/v4.0.0-alpha.0/programs/vote/src/vote_state/mod.rs#L1164-L1169 */
1075 0 : ulong min_balance;
1076 0 : if( FD_UNLIKELY( fd_ulong_checked_add( min_rent_exempt_balance, pending_delegator_rewards, &min_balance ) ) ) {
1077 0 : return FD_EXECUTOR_INSTR_ERR_ARITHMETIC_OVERFLOW;
1078 0 : }
1079 :
1080 0 : if( FD_UNLIKELY( remaining_balance<min_balance ) ) {
1081 0 : return FD_EXECUTOR_INSTR_ERR_INSUFFICIENT_FUNDS;
1082 0 : }
1083 0 : }
1084 :
1085 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L898 */
1086 0 : rc = fd_borrowed_account_checked_sub_lamports( vote_account, lamports );
1087 0 : if( FD_UNLIKELY( rc ) ) return rc;
1088 :
1089 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L899 */
1090 0 : fd_borrowed_account_drop( vote_account );
1091 :
1092 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L900 */
1093 0 : fd_guarded_borrowed_account_t to = {0};
1094 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( ctx, to_account_index, &to );
1095 :
1096 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L901 */
1097 0 : rc = fd_borrowed_account_checked_add_lamports( &to, lamports );
1098 0 : if( FD_UNLIKELY( rc ) ) return rc;
1099 :
1100 0 : return FD_EXECUTOR_INSTR_SUCCESS;
1101 0 : }
1102 :
1103 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L638-L651 */
1104 : static int
1105 : process_vote_unfiltered( fd_exec_instr_ctx_t * ctx,
1106 : fd_vote_state_versioned_t * versioned,
1107 : ulong * vote_slots,
1108 : fd_vote_t const * vote,
1109 : fd_slot_hashes_t const * slot_hashes,
1110 : ulong epoch,
1111 0 : ulong current_slot ) {
1112 0 : int rc;
1113 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L770
1114 0 : rc = check_slots_are_valid( ctx, versioned, vote_slots, &vote->hash, slot_hashes );
1115 0 : if( FD_UNLIKELY( rc ) ) return rc;
1116 0 : for( deq_ulong_iter_t iter = deq_ulong_iter_init( vote_slots );
1117 0 : !deq_ulong_iter_done( vote_slots, iter );
1118 0 : iter = deq_ulong_iter_next( vote_slots, iter ) ) {
1119 0 : ulong * ele = deq_ulong_iter_ele( vote_slots, iter );
1120 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L772
1121 0 : fd_vsv_process_next_vote_slot( versioned, *ele, epoch, current_slot );
1122 0 : }
1123 0 : return 0;
1124 0 : }
1125 :
1126 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L783
1127 : static int
1128 : process_vote( fd_exec_instr_ctx_t * ctx,
1129 : fd_vote_state_versioned_t * versioned,
1130 : fd_vote_t const * vote,
1131 : fd_slot_hashes_t const * slot_hashes,
1132 : ulong epoch,
1133 0 : ulong current_slot ) {
1134 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L792
1135 0 : if( FD_UNLIKELY( deq_ulong_empty( vote->slots ) ) ) {
1136 0 : ctx->txn_out->err.custom_err = FD_VOTE_ERR_EMPTY_SLOTS;
1137 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1138 0 : }
1139 :
1140 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L795
1141 0 : ulong earliest_slot_in_history = 0;
1142 0 : if( FD_UNLIKELY( !!slot_hashes->cnt ) ) {
1143 0 : earliest_slot_in_history = slot_hashes->elems[ slot_hashes->cnt-1UL ].slot;
1144 0 : }
1145 :
1146 : /* We know that the size of the vote_slots is bounded by the number of
1147 : slots that can fit inside of an instruction. A very loose bound is
1148 : assuming that the entire transaction is just filled with a vote
1149 : slot deque (1232 bytes per transaction/8 bytes per slot) == 154
1150 : slots. The footprint of a deque is as follows:
1151 : fd_ulong_align_up( fd_ulong_align_up( 32UL, alignof(DEQUE_T) ) + sizeof(DEQUE_T)*max, alignof(DEQUE_(private_t)) );
1152 : So, the footprint in our case is:
1153 : fd_ulong_align_up( fd_ulong_align_up( 32UL, alignof(ulong) ) + sizeof(ulong)*154, alignof(DEQUE_(private_t)) );
1154 : Which is equal to
1155 : fd_ulong_align_up( 32UL + 154 * 8UL, 8UL ) = 1264UL; */
1156 0 : #define VOTE_SLOTS_MAX (FD_TXN_MTU/sizeof(ulong))
1157 0 : #define VOTE_SLOTS_DEQUE_FOOTPRINT (1264UL )
1158 0 : #define VOTE_SLOTS_DEQUE_ALIGN (8UL)
1159 0 : FD_TEST( deq_ulong_footprint( VOTE_SLOTS_MAX ) == VOTE_SLOTS_DEQUE_FOOTPRINT );
1160 0 : FD_TEST( deq_ulong_align() == 8UL );
1161 0 : FD_TEST( deq_ulong_cnt( vote->slots ) <= VOTE_SLOTS_MAX );
1162 0 : uchar * vote_slots_mem[ VOTE_SLOTS_DEQUE_FOOTPRINT ] __attribute__((aligned(VOTE_SLOTS_DEQUE_ALIGN)));
1163 :
1164 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L796
1165 0 : ulong * vote_slots = deq_ulong_join( deq_ulong_new( vote_slots_mem, deq_ulong_cnt( vote->slots ) ) );
1166 0 : for( deq_ulong_iter_t iter = deq_ulong_iter_init( vote->slots );
1167 0 : !deq_ulong_iter_done( vote->slots, iter );
1168 0 : iter = deq_ulong_iter_next( vote->slots, iter ) ) {
1169 0 : ulong * ele = deq_ulong_iter_ele( vote->slots, iter );
1170 0 : if( FD_UNLIKELY( *ele >= earliest_slot_in_history ) ) {
1171 0 : vote_slots = deq_ulong_push_tail_wrap( vote_slots, *ele );
1172 0 : }
1173 0 : }
1174 :
1175 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L802
1176 0 : if( FD_UNLIKELY( deq_ulong_cnt( vote_slots ) == 0 ) ) {
1177 0 : ctx->txn_out->err.custom_err = FD_VOTE_ERR_VOTES_TOO_OLD_ALL_FILTERED;
1178 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1179 0 : }
1180 :
1181 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L805
1182 0 : return process_vote_unfiltered(
1183 0 : ctx,
1184 0 : versioned,
1185 0 : vote_slots,
1186 0 : vote,
1187 0 : slot_hashes,
1188 0 : epoch,
1189 0 : current_slot
1190 0 : );
1191 0 : }
1192 :
1193 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L905-L926 */
1194 : static int
1195 : initialize_account( fd_exec_instr_ctx_t * ctx,
1196 : fd_borrowed_account_t * vote_account,
1197 : int target_version,
1198 : fd_vote_init_t * vote_init,
1199 : fd_pubkey_t const * signers[static FD_TXN_SIG_MAX],
1200 : ulong signers_cnt,
1201 6 : fd_sol_sysvar_clock_t const * clock ) {
1202 6 : int rc;
1203 6 : fd_vote_state_versioned_t * versioned = &ctx->runtime->vote_program.init_account.vote_state;
1204 :
1205 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L915 */
1206 6 : rc = check_vote_account_length( vote_account, target_version );
1207 6 : if( FD_UNLIKELY( rc ) ) return rc;
1208 :
1209 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L916 */
1210 6 : rc = fd_vsv_get_state( vote_account->acc, versioned );
1211 6 : if( FD_UNLIKELY( rc ) ) return rc;
1212 :
1213 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L918-L920 */
1214 6 : if( FD_UNLIKELY( !fd_vsv_is_uninitialized( versioned ) ) ) {
1215 0 : return FD_EXECUTOR_INSTR_ERR_ACC_ALREADY_INITIALIZED;
1216 0 : }
1217 :
1218 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L923 */
1219 6 : rc = fd_vote_verify_authorized_signer( &vote_init->node_pubkey, signers, signers_cnt );
1220 6 : if( FD_UNLIKELY( rc ) ) {
1221 0 : return rc;
1222 0 : }
1223 :
1224 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L925 */
1225 6 : return init_vote_account_state( ctx, vote_account, versioned, target_version, vote_init, clock );
1226 6 : }
1227 :
1228 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-alpha.0/programs/vote/src/vote_state/mod.rs#L1182-L1216
1229 : Note: this is very similar to initialize_account() but also does verify_bls_proof_of_possession() */
1230 : static int
1231 : initialize_account_v2( fd_exec_instr_ctx_t * ctx,
1232 : fd_borrowed_account_t * vote_account,
1233 : int target_version,
1234 : fd_vote_init_v2_t * vote_init_v2,
1235 : fd_pubkey_t const * signers[static FD_TXN_SIG_MAX],
1236 : ulong signers_cnt,
1237 0 : fd_sol_sysvar_clock_t const * clock ) {
1238 0 : int rc;
1239 0 : fd_vote_state_versioned_t * versioned = &ctx->runtime->vote_program.init_account.vote_state;
1240 :
1241 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-alpha.0/programs/vote/src/vote_state/mod.rs#L1198 */
1242 0 : rc = check_vote_account_length( vote_account, target_version );
1243 0 : if( FD_UNLIKELY( rc ) ) return rc;
1244 :
1245 0 : rc = fd_vsv_get_state( vote_account->acc, versioned );
1246 0 : if( FD_UNLIKELY( rc ) ) return rc;
1247 :
1248 0 : if( FD_UNLIKELY( !fd_vsv_is_uninitialized( versioned ) ) ) {
1249 0 : return FD_EXECUTOR_INSTR_ERR_ACC_ALREADY_INITIALIZED;
1250 0 : }
1251 :
1252 0 : rc = fd_vote_verify_authorized_signer( &vote_init_v2->node_pubkey, signers, signers_cnt );
1253 0 : if( FD_UNLIKELY( rc ) ) {
1254 0 : return rc;
1255 0 : }
1256 :
1257 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-alpha.0/programs/vote/src/vote_state/mod.rs#L1208-L1213 */
1258 0 : rc = fd_vote_verify_bls_proof_of_possession(
1259 0 : ctx,
1260 0 : vote_account->acc->pubkey,
1261 0 : vote_init_v2->authorized_voter_bls_pubkey,
1262 0 : vote_init_v2->authorized_voter_bls_proof_of_possession
1263 0 : );
1264 0 : if( FD_UNLIKELY( rc ) ) {
1265 0 : return rc;
1266 0 : }
1267 :
1268 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-alpha.0/programs/vote/src/vote_state/mod.rs#L1215 */
1269 0 : return init_vote_account_state_v2( ctx, vote_account, versioned, target_version, vote_init_v2, clock );
1270 0 : }
1271 :
1272 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L928-L953 */
1273 : static int
1274 : process_vote_with_account( fd_exec_instr_ctx_t * ctx,
1275 : fd_borrowed_account_t * vote_account,
1276 : int target_version,
1277 : fd_slot_hashes_t const * slot_hashes,
1278 : fd_sol_sysvar_clock_t const * clock,
1279 : fd_vote_t * vote,
1280 : fd_pubkey_t const * signers[static FD_TXN_SIG_MAX],
1281 0 : ulong signers_cnt ) {
1282 0 : fd_vote_state_versioned_t * versioned = &ctx->runtime->vote_program.process_vote.vote_state;
1283 :
1284 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L936-L939 */
1285 0 : int rc = get_vote_state_handler_checked( vote_account, target_version, 1, versioned );
1286 0 : if( FD_UNLIKELY( rc ) ) return rc;
1287 :
1288 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L941 */
1289 0 : fd_pubkey_t * authorized_voter = NULL;
1290 0 : rc = fd_authorized_voters_get_and_update_authorized_voter( versioned, clock->epoch, &authorized_voter );
1291 0 : if( FD_UNLIKELY( rc ) ) return rc;
1292 :
1293 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L942 */
1294 0 : rc = fd_vote_verify_authorized_signer( authorized_voter, signers, signers_cnt );
1295 0 : if( FD_UNLIKELY( rc ) ) return rc;
1296 :
1297 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L944 */
1298 0 : rc = process_vote( ctx, versioned, vote, slot_hashes, clock->epoch, clock->slot );
1299 0 : if( FD_UNLIKELY( rc ) ) return rc;
1300 :
1301 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L945-L951 */
1302 0 : if( FD_LIKELY( vote->has_timestamp ) ) {
1303 : /* Calling max() on an empty iterator returns None */
1304 0 : if( FD_UNLIKELY( deq_ulong_cnt( vote->slots )==0 ) ) {
1305 0 : ctx->txn_out->err.custom_err = FD_VOTE_ERR_EMPTY_SLOTS;
1306 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1307 0 : }
1308 :
1309 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L948 */
1310 0 : ulong max = 0UL;
1311 0 : for( deq_ulong_iter_t iter = deq_ulong_iter_init( vote->slots );
1312 0 : !deq_ulong_iter_done( vote->slots, iter );
1313 0 : iter = deq_ulong_iter_next( vote->slots, iter ) ) {
1314 0 : ulong * ele = deq_ulong_iter_ele( vote->slots, iter );
1315 0 : max = fd_ulong_max( max, *ele );
1316 0 : }
1317 :
1318 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L950 */
1319 0 : rc = fd_vsv_process_timestamp( ctx, versioned, max, vote->timestamp );
1320 0 : if( FD_UNLIKELY( rc ) ) return rc;
1321 0 : }
1322 :
1323 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L952 */
1324 0 : return fd_vsv_set_vote_account_state( ctx, vote_account, versioned );
1325 0 : }
1326 :
1327 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1156
1328 : static int
1329 : do_process_vote_state_update( fd_exec_instr_ctx_t * ctx,
1330 : fd_vote_state_versioned_t * versioned,
1331 : fd_slot_hashes_t const * slot_hashes,
1332 : ulong epoch,
1333 : ulong slot,
1334 0 : fd_vote_state_update_t * vote_state_update ) {
1335 0 : int rc;
1336 :
1337 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1164
1338 0 : rc = check_and_filter_proposed_vote_state(
1339 0 : ctx,
1340 0 : versioned,
1341 0 : vote_state_update->lockouts,
1342 0 : &vote_state_update->has_root,
1343 0 : &vote_state_update->root,
1344 0 : &vote_state_update->hash,
1345 0 : slot_hashes
1346 0 : );
1347 0 : if( FD_UNLIKELY( rc ) ) return rc;
1348 :
1349 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1177
1350 0 : fd_landed_vote_t * landed_votes = deq_fd_landed_vote_t_join( deq_fd_landed_vote_t_new( ctx->runtime->vote_program.process_vote.vs_update_landed_votes_mem, deq_fd_vote_lockout_t_cnt( vote_state_update->lockouts ) ) );
1351 0 : for( deq_fd_vote_lockout_t_iter_t iter =
1352 0 : deq_fd_vote_lockout_t_iter_init( vote_state_update->lockouts );
1353 0 : !deq_fd_vote_lockout_t_iter_done( vote_state_update->lockouts, iter );
1354 0 : iter = deq_fd_vote_lockout_t_iter_next( vote_state_update->lockouts, iter ) ) {
1355 0 : fd_vote_lockout_t * lockout =
1356 0 : deq_fd_vote_lockout_t_iter_ele( vote_state_update->lockouts, iter );
1357 0 : deq_fd_landed_vote_t_push_tail_wrap( landed_votes,
1358 0 : ( fd_landed_vote_t ){ .latency = 0, .lockout = *lockout } );
1359 0 : }
1360 :
1361 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1171
1362 0 : return process_new_vote_state(
1363 0 : ctx,
1364 0 : versioned,
1365 0 : landed_votes,
1366 0 : vote_state_update->has_root,
1367 0 : vote_state_update->root,
1368 0 : vote_state_update->has_timestamp,
1369 0 : vote_state_update->timestamp,
1370 0 : epoch,
1371 0 : slot
1372 0 : );
1373 0 : }
1374 :
1375 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L955-L979 */
1376 : static int
1377 : process_vote_state_update( fd_exec_instr_ctx_t * ctx,
1378 : fd_borrowed_account_t * vote_account,
1379 : int target_version,
1380 : fd_slot_hashes_t const * slot_hashes,
1381 : fd_sol_sysvar_clock_t const * clock,
1382 : fd_vote_state_update_t * vote_state_update,
1383 : fd_pubkey_t const * signers[static FD_TXN_SIG_MAX],
1384 0 : ulong signers_cnt ) {
1385 0 : fd_vote_state_versioned_t * versioned = &ctx->runtime->vote_program.process_vote.vote_state;
1386 :
1387 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L963-L966 */
1388 0 : int rc = get_vote_state_handler_checked( vote_account, target_version, 1, versioned );
1389 0 : if( FD_UNLIKELY( rc ) ) return rc;
1390 :
1391 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L968 */
1392 0 : fd_pubkey_t * authorized_voter = NULL;
1393 0 : rc = fd_authorized_voters_get_and_update_authorized_voter( versioned, clock->epoch, &authorized_voter );
1394 0 : if( FD_UNLIKELY( rc ) ) return rc;
1395 :
1396 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L969 */
1397 0 : rc = fd_vote_verify_authorized_signer( authorized_voter, signers, signers_cnt );
1398 0 : if( FD_UNLIKELY( rc ) ) return rc;
1399 :
1400 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L971-L977 */
1401 0 : rc = do_process_vote_state_update(
1402 0 : ctx,
1403 0 : versioned,
1404 0 : slot_hashes,
1405 0 : clock->epoch,
1406 0 : clock->slot,
1407 0 : vote_state_update
1408 0 : );
1409 0 : if( FD_UNLIKELY( rc ) ) {
1410 0 : return rc;
1411 0 : }
1412 :
1413 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L978 */
1414 0 : return fd_vsv_set_vote_account_state( ctx, vote_account, versioned );
1415 0 : }
1416 :
1417 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L1035-L1061 */
1418 : static int
1419 : do_process_tower_sync( fd_exec_instr_ctx_t * ctx,
1420 : fd_vote_state_versioned_t * versioned,
1421 : fd_slot_hashes_t const * slot_hashes,
1422 : ulong epoch,
1423 : ulong slot,
1424 0 : fd_tower_sync_t * tower_sync ) {
1425 :
1426 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L1042-L1048 */
1427 0 : int rc = check_and_filter_proposed_vote_state(
1428 0 : ctx,
1429 0 : versioned,
1430 0 : tower_sync->lockouts,
1431 0 : &tower_sync->has_root,
1432 0 : &tower_sync->root,
1433 0 : &tower_sync->hash,
1434 0 : slot_hashes
1435 0 : );
1436 0 : if( FD_UNLIKELY( rc ) ) return rc;
1437 :
1438 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L1049-L1060 */
1439 0 : return process_new_vote_state(
1440 0 : ctx,
1441 0 : versioned,
1442 0 : fd_vote_lockout_landed_votes_from_lockouts( tower_sync->lockouts, ctx->runtime->vote_program.tower_sync.tower_sync_landed_votes_mem ),
1443 0 : tower_sync->has_root,
1444 0 : tower_sync->root,
1445 0 : tower_sync->has_timestamp,
1446 0 : tower_sync->timestamp,
1447 0 : epoch,
1448 0 : slot
1449 0 : );
1450 0 : }
1451 :
1452 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L1009-L1033 */
1453 : static int
1454 : process_tower_sync( fd_exec_instr_ctx_t * ctx,
1455 : fd_borrowed_account_t * vote_account,
1456 : int target_version,
1457 : fd_slot_hashes_t const * slot_hashes,
1458 : fd_sol_sysvar_clock_t const * clock,
1459 : fd_tower_sync_t * tower_sync,
1460 : fd_pubkey_t const * signers[static FD_TXN_SIG_MAX],
1461 0 : ulong signers_cnt ) {
1462 0 : fd_vote_state_versioned_t * versioned = &ctx->runtime->vote_program.tower_sync.vote_state;
1463 :
1464 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L1017-L1020 */
1465 0 : int rc = get_vote_state_handler_checked( vote_account, target_version, 1, versioned );
1466 0 : if( FD_UNLIKELY( rc ) ) return rc;
1467 :
1468 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L1022 */
1469 0 : fd_pubkey_t * authorized_voter = NULL;
1470 0 : rc = fd_authorized_voters_get_and_update_authorized_voter( versioned, clock->epoch, &authorized_voter );
1471 0 : if( FD_UNLIKELY( rc ) ) return rc;
1472 :
1473 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L1023 */
1474 0 : rc = fd_vote_verify_authorized_signer( authorized_voter, signers, signers_cnt );
1475 0 : if( FD_UNLIKELY( rc ) ) return rc;
1476 :
1477 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L1025-L1031 */
1478 0 : rc = do_process_tower_sync(
1479 0 : ctx,
1480 0 : versioned,
1481 0 : slot_hashes,
1482 0 : clock->epoch,
1483 0 : clock->slot,
1484 0 : tower_sync
1485 0 : );
1486 0 : if( FD_UNLIKELY( rc ) ) return rc;
1487 :
1488 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_state/mod.rs#L1032 */
1489 0 : return fd_vsv_set_vote_account_state( ctx, vote_account, versioned );
1490 0 : }
1491 :
1492 : /**********************************************************************/
1493 : /* FD-only encoders / decoders (doesn't map directly to Labs impl) */
1494 : /**********************************************************************/
1495 :
1496 : int
1497 : fd_vote_decode_compact_update( fd_compact_vote_state_update_t * compact_update,
1498 : fd_vote_state_update_t * vote_update,
1499 0 : fd_exec_instr_ctx_t const * ctx ) {
1500 : // Taken from:
1501 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L954
1502 0 : if( compact_update->root != ULONG_MAX ) {
1503 0 : vote_update->has_root = 1;
1504 0 : vote_update->root = compact_update->root;
1505 0 : } else {
1506 0 : vote_update->has_root = 0;
1507 0 : vote_update->root = ULONG_MAX;
1508 0 : }
1509 :
1510 0 : ulong lockouts_len = compact_update->lockouts_len;
1511 0 : ulong lockouts_max = fd_ulong_max( lockouts_len, MAX_LOCKOUT_HISTORY );
1512 :
1513 0 : vote_update->lockouts = deq_fd_vote_lockout_t_join( deq_fd_vote_lockout_t_new( ctx->runtime->vote_program.process_vote.compact_vs_lockout_mem, lockouts_max ) );
1514 0 : ulong slot = fd_ulong_if( vote_update->has_root, vote_update->root, 0 );
1515 :
1516 0 : for( ulong i=0; i < lockouts_len; ++i ) {
1517 0 : fd_vote_lockout_t * elem = deq_fd_vote_lockout_t_push_tail_nocopy( vote_update->lockouts );
1518 0 : fd_lockout_offset_t * lock_offset = &compact_update->lockouts[i];
1519 :
1520 0 : ulong next_slot;
1521 0 : if( FD_UNLIKELY( __builtin_uaddl_overflow( slot, lock_offset->offset, &next_slot ) ) ) {
1522 0 : return 0;
1523 0 : }
1524 :
1525 0 : elem->slot = slot = next_slot;
1526 0 : elem->confirmation_count = (uint)lock_offset->confirmation_count;
1527 0 : }
1528 :
1529 0 : vote_update->hash = compact_update->hash;
1530 0 : vote_update->has_timestamp = compact_update->has_timestamp;
1531 0 : vote_update->timestamp = compact_update->timestamp;
1532 :
1533 0 : return 1;
1534 0 : }
1535 :
1536 : /**********************************************************************/
1537 : /* mod vote_processor */
1538 : /**********************************************************************/
1539 :
1540 : /* https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L21-L51 */
1541 : static int
1542 : process_authorize_with_seed_instruction( /* invoke_context */
1543 : fd_exec_instr_ctx_t * ctx,
1544 : int target_version,
1545 : fd_borrowed_account_t * vote_account,
1546 : fd_pubkey_t const * new_authority,
1547 : fd_vote_authorize_t const * authorization_type,
1548 : fd_pubkey_t const * current_authority_derived_key_owner,
1549 : uchar const * current_authority_derived_key_seed,
1550 : ulong current_authority_derived_key_seed_len,
1551 0 : int is_vote_authorize_with_bls_enabled ) {
1552 0 : int rc = 0;
1553 :
1554 : /* https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L31 */
1555 0 : rc = fd_sysvar_instr_acct_check( ctx, 1, &fd_sysvar_clock_id );
1556 0 : if( FD_UNLIKELY( rc ) ) return rc;
1557 :
1558 0 : fd_sol_sysvar_clock_t clock_;
1559 0 : fd_sol_sysvar_clock_t const * clock = fd_sysvar_cache_clock_read( ctx->sysvar_cache, &clock_ );
1560 0 : if( FD_UNLIKELY( !clock ) ) return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
1561 :
1562 0 : fd_pubkey_t * expected_authority_keys[FD_TXN_SIG_MAX] = { 0 };
1563 0 : ulong expected_authority_keys_cnt = 0UL;
1564 0 : fd_pubkey_t single_signer = { 0 };
1565 :
1566 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_processor.rs#L30-L42 */
1567 0 : if( fd_instr_acc_is_signer_idx( ctx->instr, 2, &rc ) ) {
1568 :
1569 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_processor.rs#L31 */
1570 0 : fd_pubkey_t const * base_pubkey = NULL;
1571 0 : rc = fd_exec_instr_ctx_get_key_of_account_at_index( ctx, 2UL, &base_pubkey );
1572 0 : if( FD_UNLIKELY( rc ) ) return rc;
1573 :
1574 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_processor.rs#L34-L40 */
1575 0 : expected_authority_keys[0] = &single_signer;
1576 0 : rc = fd_pubkey_create_with_seed( ctx,
1577 0 : base_pubkey->uc,
1578 0 : (char const *)current_authority_derived_key_seed,
1579 0 : current_authority_derived_key_seed_len,
1580 0 : current_authority_derived_key_owner->uc,
1581 0 : /* insert */ expected_authority_keys[0]->uc );
1582 0 : if( FD_UNLIKELY( rc ) ) return rc;
1583 0 : expected_authority_keys_cnt = 1UL;
1584 0 : }
1585 :
1586 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_processor.rs#L43-L50 */
1587 0 : return authorize(
1588 0 : ctx,
1589 0 : vote_account,
1590 0 : target_version,
1591 0 : new_authority,
1592 0 : authorization_type,
1593 0 : (fd_pubkey_t const **)expected_authority_keys,
1594 0 : expected_authority_keys_cnt,
1595 0 : clock,
1596 0 : is_vote_authorize_with_bls_enabled
1597 0 : );
1598 0 : }
1599 :
1600 : /**********************************************************************/
1601 : /* Entry point for the Vote Program */
1602 : /**********************************************************************/
1603 :
1604 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L57
1605 : int
1606 12 : fd_vote_program_execute( fd_exec_instr_ctx_t * ctx ) {
1607 : /* FD-specific init */
1608 12 : int rc = FD_EXECUTOR_INSTR_SUCCESS;
1609 :
1610 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L57
1611 12 : FD_EXEC_CU_UPDATE( ctx, DEFAULT_COMPUTE_UNITS );
1612 :
1613 : /* https://github.com/anza-xyz/agave/blob/v3.1.1/programs/vote/src/vote_processor.rs#L64-L67 */
1614 12 : fd_guarded_borrowed_account_t me = {0};
1615 12 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( ctx, 0, &me );
1616 12 : if( FD_UNLIKELY( !fd_pubkey_eq( fd_borrowed_account_get_owner( &me ), &fd_solana_vote_program_id ) ) ) {
1617 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_OWNER;
1618 0 : }
1619 :
1620 : /* https://github.com/anza-xyz/agave/blob/v4.1.0-alpha.0/programs/vote/src/vote_processor.rs#L118-L119 */
1621 12 : int target_version = VOTE_STATE_TARGET_VERSION_V4;
1622 :
1623 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L69
1624 12 : fd_pubkey_t const * signers[FD_TXN_SIG_MAX] = { 0 };
1625 12 : ulong signers_cnt = 0UL;
1626 12 : fd_exec_instr_ctx_get_signers( ctx, signers, &signers_cnt );
1627 :
1628 : /* Some of these features are not implemented yet. As such, they are
1629 : not in feature_map.json.
1630 :
1631 : TODO: don't hardcode these when the features are implemented. */
1632 12 : int bls_pubkey_management_in_vote_account = FD_FEATURE_ACTIVE_BANK( ctx->bank, bls_pubkey_management_in_vote_account );
1633 12 : int delay_commission_updates = FD_FEATURE_ACTIVE_BANK( ctx->bank, delay_commission_updates );
1634 12 : int commission_rate_in_basis_points = FD_FEATURE_ACTIVE_BANK( ctx->bank, commission_rate_in_basis_points );
1635 12 : int custom_commission_collector = 0;
1636 12 : int block_revenue_sharing = 0;
1637 12 : int vote_account_initialize_v2 = 0;
1638 :
1639 : /* https://github.com/anza-xyz/agave/blob/v4.1.0-alpha.0/programs/vote/src/vote_processor.rs#L72-L76 */
1640 12 : int is_vote_authorize_with_bls_enabled = bls_pubkey_management_in_vote_account;
1641 :
1642 : /* https://github.com/anza-xyz/agave/blob/v4.1.0-alpha.0/programs/vote/src/vote_processor.rs#L63-L70 */
1643 12 : int is_init_account_v2_enabled =
1644 12 : bls_pubkey_management_in_vote_account &&
1645 12 : commission_rate_in_basis_points &&
1646 12 : custom_commission_collector &&
1647 12 : block_revenue_sharing &&
1648 12 : vote_account_initialize_v2;
1649 :
1650 12 : fd_vote_instruction_t instruction[1];
1651 12 : if( FD_UNLIKELY( !fd_vote_instruction_deserialize( instruction, ctx->instr->data, fd_ulong_min( ctx->instr->data_sz, FD_TXN_MTU ) ) ) ) {
1652 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
1653 0 : }
1654 :
1655 : /* PLEASE PRESERVE SWITCH-CASE ORDERING TO MIRROR LABS IMPL:
1656 : */
1657 12 : switch( instruction->discriminant ) {
1658 :
1659 : /* InitializeAccount
1660 : *
1661 : * Instruction:
1662 : * https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/instruction.rs#L32
1663 : *
1664 : * Processor:
1665 : * https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L71
1666 : */
1667 6 : case fd_vote_instruction_enum_initialize_account: {
1668 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L72
1669 6 : rc = fd_sysvar_instr_acct_check( ctx, 1, &fd_sysvar_rent_id );
1670 6 : if( FD_UNLIKELY( rc ) ) return rc;
1671 6 : fd_rent_t rent_;
1672 6 : fd_rent_t const * rent = fd_sysvar_cache_rent_read( ctx->sysvar_cache, &rent_ );
1673 6 : if( FD_UNLIKELY( !rent ) ) return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
1674 :
1675 6 : if( FD_UNLIKELY( fd_borrowed_account_get_lamports( &me ) <
1676 6 : fd_rent_exempt_minimum_balance( rent, fd_borrowed_account_get_data_len( &me ) ) ) )
1677 0 : return FD_EXECUTOR_INSTR_ERR_INSUFFICIENT_FUNDS;
1678 :
1679 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L76
1680 6 : rc = fd_sysvar_instr_acct_check( ctx, 2, &fd_sysvar_clock_id );
1681 6 : if( FD_UNLIKELY( rc ) ) return rc;
1682 6 : fd_sol_sysvar_clock_t clock_;
1683 6 : fd_sol_sysvar_clock_t const * clock = fd_sysvar_cache_clock_read( ctx->sysvar_cache, &clock_ );
1684 6 : if( FD_UNLIKELY( !clock ) ) return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
1685 :
1686 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L78
1687 6 : rc = initialize_account( ctx, &me, target_version, &instruction->initialize_account, signers, signers_cnt, clock );
1688 :
1689 6 : if( FD_LIKELY( !rc ) ) {
1690 6 : ctx->txn_out->accounts.new_vote[ ctx->instr->accounts[0].index_in_transaction ] = 1;
1691 6 : ctx->txn_out->accounts.rm_vote[ ctx->instr->accounts[0].index_in_transaction ] = 0;
1692 6 : }
1693 :
1694 6 : break;
1695 6 : }
1696 :
1697 : /* Authorize
1698 : *
1699 : * Instruction:
1700 : * https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/instruction.rs#L40
1701 : *
1702 : * Processor:
1703 : * https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L86
1704 : *
1705 : * Notes:
1706 : * - Up to two signers: the vote authority and the authorized withdrawer.
1707 : */
1708 0 : case fd_vote_instruction_enum_authorize: {
1709 0 : fd_pubkey_t const * voter_pubkey = &instruction->authorize.pubkey;
1710 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L87
1711 0 : rc = fd_sysvar_instr_acct_check( ctx, 1, &fd_sysvar_clock_id );
1712 0 : if( FD_UNLIKELY( rc ) ) return rc;
1713 0 : fd_sol_sysvar_clock_t clock_;
1714 0 : fd_sol_sysvar_clock_t const * clock = fd_sysvar_cache_clock_read( ctx->sysvar_cache, &clock_ );
1715 0 : if( FD_UNLIKELY( !clock ) ) return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
1716 :
1717 0 : rc = authorize( ctx, &me, target_version, voter_pubkey, &instruction->authorize.vote_authorize, signers, signers_cnt, clock, is_vote_authorize_with_bls_enabled );
1718 :
1719 0 : break;
1720 0 : }
1721 :
1722 : /* AuthorizeWithSeed
1723 : *
1724 : * Instruction:
1725 : * https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/instruction.rs#L117
1726 : *
1727 : * Processor:
1728 : * https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L98
1729 : */
1730 0 : case fd_vote_instruction_enum_authorize_with_seed: {
1731 0 : fd_vote_authorize_with_seed_args_t * args = &instruction->authorize_with_seed;
1732 :
1733 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L99
1734 0 : if( FD_UNLIKELY( ctx->instr->acct_cnt < 3 ) ) {
1735 0 : rc = FD_EXECUTOR_INSTR_ERR_MISSING_ACC;
1736 0 : break;
1737 0 : }
1738 :
1739 0 : rc = process_authorize_with_seed_instruction(
1740 0 : ctx,
1741 0 : target_version,
1742 0 : &me,
1743 0 : &args->new_authority,
1744 0 : &args->authorization_type,
1745 0 : &args->current_authority_derived_key_owner,
1746 0 : args->current_authority_derived_key_seed,
1747 0 : args->current_authority_derived_key_seed_len,
1748 0 : is_vote_authorize_with_bls_enabled
1749 0 : );
1750 :
1751 0 : break;
1752 0 : }
1753 :
1754 : /* AuthorizeCheckedWithSeed
1755 : *
1756 : * Instruction:
1757 : * https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/instruction.rs#L131
1758 : *
1759 : * Processor:
1760 : * https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L111
1761 : */
1762 0 : case fd_vote_instruction_enum_authorize_checked_with_seed: {
1763 0 : fd_vote_authorize_checked_with_seed_args_t const * args = &instruction->authorize_checked_with_seed;
1764 :
1765 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L112
1766 0 : if( FD_UNLIKELY( ctx->instr->acct_cnt < 4 ) ) {
1767 0 : rc = FD_EXECUTOR_INSTR_ERR_MISSING_ACC;
1768 0 : break;
1769 0 : }
1770 :
1771 : // https://github.com/anza-xyz/agave/blob/v2.1.14/programs/vote/src/vote_processor.rs#L99-L100
1772 0 : fd_pubkey_t const * new_authority = NULL;
1773 0 : rc = fd_exec_instr_ctx_get_key_of_account_at_index( ctx, 3UL, &new_authority );
1774 0 : if( FD_UNLIKELY( rc ) ) return rc;
1775 :
1776 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L116
1777 0 : if( FD_UNLIKELY( !fd_instr_acc_is_signer_idx( ctx->instr, 3, &rc ) ) ) {
1778 : /* https://github.com/anza-xyz/agave/blob/v3.0.3/transaction-context/src/lib.rs#L789 */
1779 0 : if( FD_UNLIKELY( !!rc ) ) break;
1780 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L117
1781 0 : rc = FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
1782 0 : break;
1783 0 : }
1784 :
1785 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L119
1786 0 : rc = process_authorize_with_seed_instruction(
1787 0 : ctx,
1788 0 : target_version,
1789 0 : &me,
1790 0 : new_authority,
1791 0 : &args->authorization_type,
1792 0 : &args->current_authority_derived_key_owner,
1793 0 : args->current_authority_derived_key_seed,
1794 0 : args->current_authority_derived_key_seed_len,
1795 0 : is_vote_authorize_with_bls_enabled );
1796 :
1797 0 : break;
1798 0 : }
1799 :
1800 : /* UpdateValidatorIdentity
1801 : *
1802 : * Instruction:
1803 : * https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/instruction.rs#L65
1804 : *
1805 : * Processor:
1806 : * https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L130
1807 : */
1808 0 : case fd_vote_instruction_enum_update_validator_identity: {
1809 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L131
1810 0 : if( FD_UNLIKELY( ctx->instr->acct_cnt < 2 ) ) {
1811 0 : rc = FD_EXECUTOR_INSTR_ERR_MISSING_ACC;
1812 0 : break;
1813 0 : }
1814 :
1815 : // https://github.com/anza-xyz/agave/blob/v2.1.14/programs/vote/src/vote_processor.rs#L118-L120
1816 0 : fd_pubkey_t const * node_pubkey = NULL;
1817 0 : rc = fd_exec_instr_ctx_get_key_of_account_at_index( ctx, 1UL, &node_pubkey );
1818 0 : if( FD_UNLIKELY( rc ) ) return rc;
1819 :
1820 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L135
1821 0 : rc = update_validator_identity( ctx, target_version, &me, node_pubkey, signers, signers_cnt, custom_commission_collector );
1822 :
1823 0 : break;
1824 0 : }
1825 :
1826 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L142
1827 0 : case fd_vote_instruction_enum_update_commission: {
1828 :
1829 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L149
1830 0 : fd_epoch_schedule_t epoch_schedule_;
1831 0 : fd_epoch_schedule_t const * epoch_schedule = fd_sysvar_cache_epoch_schedule_read( ctx->sysvar_cache, &epoch_schedule_ );
1832 0 : if( FD_UNLIKELY( !epoch_schedule ) ) {
1833 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
1834 0 : }
1835 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L150
1836 :
1837 0 : fd_sol_sysvar_clock_t clock_;
1838 0 : fd_sol_sysvar_clock_t const * clock = fd_sysvar_cache_clock_read( ctx->sysvar_cache, &clock_ );
1839 0 : if( FD_UNLIKELY( !clock ) ) {
1840 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
1841 0 : }
1842 :
1843 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L145
1844 0 : rc = update_commission(
1845 0 : ctx,
1846 0 : target_version,
1847 0 : &me,
1848 0 : instruction->update_commission,
1849 0 : signers,
1850 0 : signers_cnt,
1851 0 : epoch_schedule,
1852 0 : clock,
1853 0 : delay_commission_updates
1854 0 : );
1855 :
1856 0 : break;
1857 0 : }
1858 :
1859 : /* Vote
1860 : *
1861 : * Instruction:
1862 : * https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/instruction.rs#L49
1863 : */
1864 0 : case fd_vote_instruction_enum_vote:;
1865 : /* clang-format off */
1866 0 : __attribute__((fallthrough));
1867 : /* clang-format on */
1868 :
1869 : /* VoteSwitch
1870 : *
1871 : * Instruction:
1872 : * https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/instruction.rs#L81
1873 : *
1874 : * Processor:
1875 : * https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L154
1876 : */
1877 0 : case fd_vote_instruction_enum_vote_switch: {
1878 0 : if( FD_FEATURE_ACTIVE_BANK( ctx->bank, deprecate_legacy_vote_ixs ) ) {
1879 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
1880 0 : }
1881 :
1882 0 : fd_vote_t * vote;
1883 0 : if( instruction->discriminant == fd_vote_instruction_enum_vote ) {
1884 0 : vote = &instruction->vote;
1885 0 : } else if( instruction->discriminant == fd_vote_instruction_enum_vote_switch ) {
1886 0 : vote = &instruction->vote_switch.vote;
1887 0 : } else {
1888 0 : FD_LOG_CRIT(( "unsupported instruction discriminant: %u", instruction->discriminant ));
1889 0 : }
1890 :
1891 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L155
1892 0 : int err;
1893 0 : err = fd_sysvar_instr_acct_check( ctx, 1, &fd_sysvar_slot_hashes_id );
1894 0 : if( FD_UNLIKELY( err ) ) return err;
1895 :
1896 0 : if( FD_UNLIKELY( !fd_sysvar_cache_slot_hashes_is_valid( ctx->sysvar_cache ) ) ) {
1897 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
1898 0 : }
1899 :
1900 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L157
1901 0 : err = fd_sysvar_instr_acct_check( ctx, 2, &fd_sysvar_clock_id );
1902 0 : if( FD_UNLIKELY( err ) ) return err;
1903 0 : fd_sol_sysvar_clock_t clock_;
1904 0 : fd_sol_sysvar_clock_t const * clock = fd_sysvar_cache_clock_read( ctx->sysvar_cache, &clock_ );
1905 0 : if( FD_UNLIKELY( !clock ) ) return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
1906 :
1907 0 : fd_slot_hashes_t slot_hashes_[1];
1908 0 : fd_slot_hashes_t const * slot_hashes = fd_sysvar_cache_slot_hashes_view( ctx->sysvar_cache, slot_hashes_ );
1909 0 : if( FD_UNLIKELY( !slot_hashes ) ) return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
1910 0 : rc = process_vote_with_account(
1911 0 : ctx,
1912 0 : &me,
1913 0 : target_version,
1914 0 : slot_hashes,
1915 0 : clock,
1916 0 : vote,
1917 0 : signers,
1918 0 : signers_cnt
1919 0 : );
1920 :
1921 0 : break;
1922 0 : }
1923 :
1924 : /* UpdateVoteState
1925 : *
1926 : * Instruction:
1927 : * https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/instruction.rs#L100
1928 : */
1929 0 : case fd_vote_instruction_enum_update_vote_state:;
1930 : /* clang-format off */
1931 0 : __attribute__((fallthrough));
1932 : /* clang-format on */
1933 :
1934 : /* UpdateVoteStateSwitch
1935 : *
1936 : * Instruction:
1937 : * https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/instruction.rs#L107
1938 : *
1939 : * Processor:
1940 : * https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L169
1941 : */
1942 0 : case fd_vote_instruction_enum_update_vote_state_switch: {
1943 0 : if( FD_FEATURE_ACTIVE_BANK( ctx->bank, deprecate_legacy_vote_ixs ) ) {
1944 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
1945 0 : }
1946 :
1947 0 : fd_vote_state_update_t * vote_state_update;
1948 0 : switch( instruction->discriminant ) {
1949 0 : case fd_vote_instruction_enum_update_vote_state:
1950 0 : vote_state_update = &instruction->update_vote_state;
1951 0 : break;
1952 0 : case fd_vote_instruction_enum_update_vote_state_switch:
1953 0 : vote_state_update = &instruction->update_vote_state_switch.vote_state_update;
1954 0 : break;
1955 0 : default:
1956 0 : FD_LOG_CRIT(( "unsupported instruction discriminant: %u", instruction->discriminant ));
1957 0 : }
1958 :
1959 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L171
1960 0 : if( FD_UNLIKELY( !fd_sysvar_cache_slot_hashes_is_valid( ctx->sysvar_cache ) ) ) {
1961 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
1962 0 : }
1963 :
1964 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L172
1965 0 : fd_sol_sysvar_clock_t clock_;
1966 0 : fd_sol_sysvar_clock_t const * clock = fd_sysvar_cache_clock_read( ctx->sysvar_cache, &clock_ );
1967 0 : if( FD_UNLIKELY( !clock ) )
1968 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
1969 :
1970 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L173
1971 0 : fd_slot_hashes_t slot_hashes_[1];
1972 0 : fd_slot_hashes_t const * slot_hashes = fd_sysvar_cache_slot_hashes_view( ctx->sysvar_cache, slot_hashes_ );
1973 0 : if( FD_UNLIKELY( !slot_hashes ) ) return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
1974 0 : rc = process_vote_state_update(
1975 0 : ctx,
1976 0 : &me,
1977 0 : target_version,
1978 0 : slot_hashes,
1979 0 : clock,
1980 0 : vote_state_update,
1981 0 : signers,
1982 0 : signers_cnt
1983 0 : );
1984 :
1985 0 : break;
1986 0 : }
1987 :
1988 : /* CompactUpdateVoteState
1989 : *
1990 : * Instruction:
1991 : * https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/instruction.rs#L139
1992 : *
1993 : * Notes:
1994 : * - Up to three signers: the vote authority, the authorized withdrawer, and the new authority.
1995 : * - Feature gated, but live on mainnet.
1996 : */
1997 0 : case fd_vote_instruction_enum_compact_update_vote_state:;
1998 0 : __attribute__((fallthrough));
1999 :
2000 : /* CompactUpdateVoteStateSwitch
2001 : *
2002 : * Instruction:
2003 : * https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/instruction.rs#L146
2004 : *
2005 : * Processor:
2006 : * https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L183
2007 : *
2008 : * Notes:
2009 : * - Up to three signers: the vote authority, the authorized withdrawer, and the new authority.
2010 : * - Feature gated, but live on mainnet.
2011 : */
2012 0 : case fd_vote_instruction_enum_compact_update_vote_state_switch: {
2013 : /* https://github.com/anza-xyz/agave/blob/dc4b9dcbbf859ff48f40d00db824bde063fdafcc/programs/vote/src/vote_processor.rs#L183-L191 */
2014 0 : if( FD_FEATURE_ACTIVE_BANK( ctx->bank, deprecate_legacy_vote_ixs ) ) {
2015 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
2016 0 : }
2017 :
2018 0 : fd_compact_vote_state_update_t * vote_state_update = NULL;
2019 0 : if( instruction->discriminant == fd_vote_instruction_enum_compact_update_vote_state ) {
2020 0 : vote_state_update = &instruction->compact_update_vote_state;
2021 0 : } else if( instruction->discriminant ==
2022 0 : fd_vote_instruction_enum_compact_update_vote_state_switch ) {
2023 0 : vote_state_update =
2024 0 : &instruction->compact_update_vote_state_switch.compact_vote_state_update;
2025 0 : }
2026 :
2027 0 : fd_vote_state_update_t vote_update = {0};
2028 0 : if( FD_UNLIKELY( !fd_vote_decode_compact_update( vote_state_update, &vote_update, ctx ) ) )
2029 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
2030 :
2031 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L185
2032 0 : if( FD_UNLIKELY( !fd_sysvar_cache_slot_hashes_is_valid( ctx->sysvar_cache ) ) ) {
2033 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
2034 0 : }
2035 :
2036 0 : fd_sol_sysvar_clock_t clock_;
2037 0 : fd_sol_sysvar_clock_t const * clock = fd_sysvar_cache_clock_read( ctx->sysvar_cache, &clock_ );
2038 0 : if( FD_UNLIKELY( !clock ) )
2039 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
2040 :
2041 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L187
2042 0 : fd_slot_hashes_t slot_hashes_[1];
2043 0 : fd_slot_hashes_t const * slot_hashes = fd_sysvar_cache_slot_hashes_view( ctx->sysvar_cache, slot_hashes_ );
2044 0 : if( FD_UNLIKELY( !slot_hashes ) ) return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
2045 0 : rc = process_vote_state_update(
2046 0 : ctx,
2047 0 : &me,
2048 0 : target_version,
2049 0 : slot_hashes,
2050 0 : clock,
2051 0 : &vote_update,
2052 0 : signers,
2053 0 : signers_cnt
2054 0 : );
2055 :
2056 0 : break;
2057 0 : }
2058 :
2059 : /* TowerSync(Switch)
2060 : *
2061 : * Instruction:
2062 : * https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/instruction.rs#L151-L157
2063 : *
2064 : * Processor:
2065 : * https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L196-L215
2066 : */
2067 :
2068 0 : case fd_vote_instruction_enum_tower_sync:
2069 0 : case fd_vote_instruction_enum_tower_sync_switch: {
2070 0 : fd_tower_sync_t * tower_sync = (instruction->discriminant == fd_vote_instruction_enum_tower_sync)
2071 0 : ? &instruction->tower_sync
2072 0 : : &instruction->tower_sync_switch.tower_sync;
2073 :
2074 0 : if( FD_UNLIKELY( !fd_sysvar_cache_slot_hashes_is_valid( ctx->sysvar_cache ) ) ) {
2075 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
2076 0 : }
2077 :
2078 0 : fd_sol_sysvar_clock_t clock_;
2079 0 : fd_sol_sysvar_clock_t const * clock = fd_sysvar_cache_clock_read( ctx->sysvar_cache, &clock_ );
2080 0 : if( FD_UNLIKELY( !clock ) ) {
2081 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
2082 0 : }
2083 :
2084 0 : fd_slot_hashes_t slot_hashes_[1];
2085 0 : fd_slot_hashes_t const * slot_hashes = fd_sysvar_cache_slot_hashes_view( ctx->sysvar_cache, slot_hashes_ );
2086 0 : if( FD_UNLIKELY( !slot_hashes ) ) return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
2087 0 : rc = process_tower_sync(
2088 0 : ctx,
2089 0 : &me,
2090 0 : target_version,
2091 0 : slot_hashes,
2092 0 : clock,
2093 0 : tower_sync,
2094 0 : signers,
2095 0 : signers_cnt
2096 0 : );
2097 :
2098 0 : break;
2099 0 : }
2100 :
2101 : /* Withdraw
2102 : *
2103 : * Instruction:
2104 : * https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/instruction.rs#L57
2105 : *
2106 : * Processor:
2107 : * https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L216
2108 : */
2109 0 : case fd_vote_instruction_enum_withdraw: {
2110 0 : if( FD_UNLIKELY( ctx->instr->acct_cnt < 2 ) ) {
2111 0 : rc = FD_EXECUTOR_INSTR_ERR_MISSING_ACC;
2112 0 : break;
2113 0 : }
2114 0 : fd_rent_t rent_;
2115 0 : fd_rent_t const * rent_sysvar = fd_sysvar_cache_rent_read( ctx->sysvar_cache, &rent_ );
2116 0 : if( FD_UNLIKELY( !rent_sysvar ) )
2117 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
2118 0 : fd_sol_sysvar_clock_t clock_;
2119 0 : fd_sol_sysvar_clock_t const * clock_sysvar = fd_sysvar_cache_clock_read( ctx->sysvar_cache, &clock_ );
2120 0 : if( FD_UNLIKELY( !clock_sysvar ) )
2121 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
2122 :
2123 0 : int deinitialized = 0;
2124 0 : rc = withdraw(
2125 0 : ctx,
2126 0 : &me,
2127 0 : target_version,
2128 0 : instruction->withdraw,
2129 0 : 1UL,
2130 0 : signers,
2131 0 : signers_cnt,
2132 0 : rent_sysvar,
2133 0 : clock_sysvar,
2134 0 : &deinitialized
2135 0 : );
2136 :
2137 0 : if( FD_LIKELY( !rc && deinitialized ) ) {
2138 0 : ctx->txn_out->accounts.new_vote[ ctx->instr->accounts[0].index_in_transaction ] = 0;
2139 0 : ctx->txn_out->accounts.rm_vote[ ctx->instr->accounts[0].index_in_transaction ] = 1;
2140 0 : }
2141 :
2142 :
2143 0 : break;
2144 0 : }
2145 :
2146 : /* AuthorizeChecked
2147 : *
2148 : * Instruction:
2149 : * https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/instruction.rs#L93
2150 : *
2151 : * Processor:
2152 : * https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L234
2153 : *
2154 : * Notes:
2155 : * - Up to three signers: the vote authority, the authorized withdrawer, and the new authority.
2156 : * - Feature gated, but live on mainnet.
2157 : */
2158 0 : case fd_vote_instruction_enum_authorize_checked: {
2159 0 : if( FD_UNLIKELY( ctx->instr->acct_cnt < 4 ) ) {
2160 0 : rc = FD_EXECUTOR_INSTR_ERR_MISSING_ACC;
2161 0 : break;
2162 0 : }
2163 :
2164 : // https://github.com/anza-xyz/agave/blob/v2.1.14/programs/vote/src/vote_processor.rs#L243-L245
2165 0 : fd_pubkey_t const * voter_pubkey = NULL;
2166 0 : rc = fd_exec_instr_ctx_get_key_of_account_at_index( ctx, 3UL, &voter_pubkey );
2167 0 : if( FD_UNLIKELY( rc ) ) return rc;
2168 :
2169 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L239
2170 0 : if( FD_UNLIKELY( !fd_instr_acc_is_signer_idx( ctx->instr, 3, &rc ) ) ) {
2171 : /* https://github.com/anza-xyz/agave/blob/v3.0.3/transaction-context/src/lib.rs#L789 */
2172 0 : if( FD_UNLIKELY( !!rc ) ) break;
2173 :
2174 0 : rc = FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
2175 0 : break;
2176 0 : }
2177 :
2178 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L242
2179 0 : rc = fd_sysvar_instr_acct_check( ctx, 1, &fd_sysvar_clock_id );
2180 0 : if( FD_UNLIKELY( rc ) ) return rc;
2181 0 : fd_sol_sysvar_clock_t clock_;
2182 0 : fd_sol_sysvar_clock_t const * clock = fd_sysvar_cache_clock_read( ctx->sysvar_cache, &clock_ );
2183 0 : if( FD_UNLIKELY( !clock ) ) return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
2184 :
2185 0 : rc = authorize(
2186 0 : ctx,
2187 0 : &me,
2188 0 : target_version,
2189 0 : voter_pubkey,
2190 0 : &instruction->authorize_checked,
2191 0 : signers,
2192 0 : signers_cnt,
2193 0 : clock,
2194 0 : is_vote_authorize_with_bls_enabled
2195 0 : );
2196 0 : break;
2197 0 : }
2198 :
2199 : /* InitializeAccountV2
2200 : *
2201 : * Instruction:
2202 : * https://github.com/anza-xyz/solana-sdk/blob/vote-interface%40v5.0.0/vote-interface/src/instruction.rs#L195-L200
2203 : *
2204 : * Processor:
2205 : * https://github.com/anza-xyz/agave/blob/v4.0.0-alpha.0/programs/vote/src/vote_processor.rs#L307-L324
2206 : *
2207 : * Notes:
2208 : * - The code is identical to InitializeAccount, except calling the actual initialize_account_v2
2209 : * - Feature gated.
2210 : */
2211 6 : case fd_vote_instruction_enum_initialize_account_v2: {
2212 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-alpha.0/programs/vote/src/vote_processor.rs#L308-L310 */
2213 6 : if( FD_UNLIKELY( !is_init_account_v2_enabled ) ) {
2214 6 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
2215 6 : }
2216 :
2217 0 : rc = fd_sysvar_instr_acct_check( ctx, 1, &fd_sysvar_rent_id );
2218 0 : if( FD_UNLIKELY( rc ) ) return rc;
2219 0 : fd_rent_t rent_;
2220 0 : fd_rent_t const * rent = fd_sysvar_cache_rent_read( ctx->sysvar_cache, &rent_ );
2221 0 : if( FD_UNLIKELY( !rent ) ) return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
2222 :
2223 0 : if( FD_UNLIKELY( fd_borrowed_account_get_lamports( &me ) <
2224 0 : fd_rent_exempt_minimum_balance( rent, fd_borrowed_account_get_data_len( &me ) ) ) )
2225 0 : return FD_EXECUTOR_INSTR_ERR_INSUFFICIENT_FUNDS;
2226 :
2227 0 : rc = fd_sysvar_instr_acct_check( ctx, 2, &fd_sysvar_clock_id );
2228 0 : if( FD_UNLIKELY( rc ) ) return rc;
2229 0 : fd_sol_sysvar_clock_t clock_;
2230 0 : fd_sol_sysvar_clock_t const * clock = fd_sysvar_cache_clock_read( ctx->sysvar_cache, &clock_ );
2231 0 : if( FD_UNLIKELY( !clock ) ) return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
2232 :
2233 0 : rc = initialize_account_v2( ctx, &me, target_version, &instruction->initialize_account_v2, signers, signers_cnt, clock );
2234 :
2235 0 : if( FD_LIKELY( !rc ) ) {
2236 0 : ctx->txn_out->accounts.new_vote[ ctx->instr->accounts[0].index_in_transaction ] = 1;
2237 0 : ctx->txn_out->accounts.rm_vote[ ctx->instr->accounts[0].index_in_transaction ] = 0;
2238 0 : }
2239 :
2240 0 : break;
2241 0 : }
2242 :
2243 : /* UpdateCommissionBps (commission_rate_in_basis_points feature)
2244 : *
2245 : * Instruction:
2246 : * https://github.com/anza-xyz/solana-sdk/blob/vote-interface%40v5.0.0/vote-interface/src/instruction.rs#L212-L221
2247 : *
2248 : * Processor:
2249 : * https://github.com/anza-xyz/agave/blob/v4.0.0-alpha.0/programs/vote/src/vote_processor.rs#L325-L347
2250 : *
2251 : */
2252 0 : case fd_vote_instruction_enum_update_commission_bps: {
2253 0 : if( FD_UNLIKELY( !commission_rate_in_basis_points
2254 0 : || !delay_commission_updates ) ) {
2255 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
2256 0 : }
2257 :
2258 0 : rc = update_commission_bps( ctx, &me, target_version, &instruction->update_commission_bps, signers, signers_cnt, block_revenue_sharing );
2259 :
2260 0 : break;
2261 0 : }
2262 :
2263 : /* UpdateCommissionCollector
2264 : *
2265 : * Instruction:
2266 : * https://github.com/anza-xyz/solana-sdk/blob/vote-interface%40v5.0.0/vote-interface/src/instruction.rs#L202-L210
2267 : *
2268 : * Processor:
2269 : * https://github.com/anza-xyz/agave/blob/v4.0.0-alpha.0/programs/vote/src/vote_processor.rs#L348-L376
2270 : *
2271 : * Notes:
2272 : * - Unimplemented (gated on custom_commission_collector)
2273 : */
2274 0 : case fd_vote_instruction_enum_update_commission_collector: {
2275 0 : if( FD_UNLIKELY( !custom_commission_collector ) ) {
2276 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
2277 0 : }
2278 :
2279 : /* TODO: fill in when implementing custom_commission_collector */
2280 0 : FD_LOG_CRIT(( "unimplemented: update_commission_collector" ));
2281 0 : }
2282 :
2283 : /* DepositDelegatorRewards
2284 : *
2285 : * Instruction:
2286 : * https://github.com/anza-xyz/solana-sdk/blob/vote-interface%40v5.0.0/vote-interface/src/instruction.rs#L223-L228
2287 : *
2288 : * Processor:
2289 : * https://github.com/anza-xyz/agave/blob/v4.0.0-alpha.0/programs/vote/src/vote_processor.rs#L377-L395
2290 : *
2291 : * Notes:
2292 : * - Unimplemented (gated on block_revenue_sharing)
2293 : */
2294 0 : case fd_vote_instruction_enum_deposit_delegator_rewards: {
2295 0 : if( FD_UNLIKELY( !commission_rate_in_basis_points
2296 0 : || !custom_commission_collector
2297 0 : || !block_revenue_sharing ) ) {
2298 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
2299 0 : }
2300 :
2301 : /* TODO: fill in when implementing block_revenue_sharing */
2302 0 : FD_LOG_CRIT(( "unimplemented: deposit_delegator_rewards" ));
2303 0 : }
2304 :
2305 0 : default:
2306 0 : FD_LOG_CRIT(( "unsupported vote instruction: %u", instruction->discriminant ));
2307 12 : }
2308 :
2309 6 : return rc;
2310 12 : }
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