Line data Source code
1 : #define FD_SCRATCH_USE_HANDHOLDING 1
2 : #include "fd_vote_program.h"
3 : #include "../../types/fd_types_yaml.h"
4 : #include "../fd_account.h"
5 : #include "../fd_executor.h"
6 : #include "../fd_pubkey_utils.h"
7 : #include "../sysvar/fd_sysvar_epoch_schedule.h"
8 : #include "../sysvar/fd_sysvar_rent.h"
9 :
10 : #include <limits.h>
11 : #include <math.h>
12 : #include <stdio.h>
13 : #include <string.h>
14 :
15 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L35
16 4689 : #define MAX_LOCKOUT_HISTORY 31UL
17 :
18 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L36
19 759 : #define INITIAL_LOCKOUT 2UL
20 :
21 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L36
22 : #define MAX_EPOCH_CREDITS_HISTORY 64UL
23 :
24 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L42
25 0 : #define DEFAULT_PRIOR_VOTERS_OFFSET 114
26 :
27 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L45
28 0 : #define VOTE_CREDITS_GRACE_SLOTS 2
29 :
30 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L48
31 0 : #define VOTE_CREDITS_MAXIMUM_PER_SLOT 16
32 :
33 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L51
34 66 : #define VOTE_CREDITS_MAXIMUM_PER_SLOT_OLD 8
35 :
36 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/clock.rs#L147
37 : #define SLOT_DEFAULT 0UL
38 :
39 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/clock.rs#L147
40 : #define SLOT_MAX ULONG_MAX
41 :
42 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L886
43 0 : #define VERSION_OFFSET (4UL)
44 :
45 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L887
46 : #define DEFAULT_PRIOR_VOTERS_END (118)
47 :
48 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/vote_state_1_14_11.rs#L6
49 0 : #define DEFAULT_PRIOR_VOTERS_OFFSET_1_14_11 (82UL)
50 :
51 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/vote_state_1_14_11.rs#L60
52 : #define DEFAULT_PRIOR_VOTERS_END_1_14_11 (86UL)
53 :
54 : #define ACCOUNTS_MAX 4 /* Vote instructions take in at most 4 accounts */
55 :
56 : #define DEFAULT_COMPUTE_UNITS 2100UL
57 : extern fd_flamenco_yaml_t * fd_get_types_yaml(void);
58 : /**********************************************************************/
59 : /* size_of */
60 : /**********************************************************************/
61 :
62 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/vote_state_versions.rs#L82
63 : static inline ulong
64 1383 : size_of_versioned( int is_current ) {
65 1383 : return fd_ulong_if( is_current, FD_VOTE_STATE_V3_SZ, FD_VOTE_STATE_V2_SZ );
66 1383 : }
67 :
68 : /**********************************************************************/
69 : /* impl Lockout */
70 : /**********************************************************************/
71 :
72 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L104
73 : static inline ulong
74 729 : lockout( fd_vote_lockout_t * self ) {
75 729 : return (ulong)pow( INITIAL_LOCKOUT, self->confirmation_count );
76 729 : }
77 :
78 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L110
79 : static inline ulong
80 729 : last_locked_out_slot( fd_vote_lockout_t * self ) {
81 729 : return fd_ulong_sat_add( self->slot, lockout( self ) );
82 729 : }
83 :
84 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L114
85 : static inline ulong
86 6 : is_locked_out_at_slot( fd_vote_lockout_t * self, ulong slot ) {
87 6 : return last_locked_out_slot( self ) >= slot;
88 6 : }
89 :
90 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L122
91 : static void
92 18 : increase_confirmation_count( fd_vote_lockout_t * self, uint by ) {
93 18 : self->confirmation_count = fd_uint_sat_add( self->confirmation_count, by );
94 18 : }
95 :
96 : /**********************************************************************/
97 : /* impl From<VoteState> for VoteState1_14_11 */
98 : /**********************************************************************/
99 :
100 : /* from_vote_state_1_14_11 converts a "current" vote state object into
101 : the older "v1.14.11" version. This destroys the "current" object in
102 : the process. valloc is the heap allocator to be used, which must be
103 : the same as the one used for v1.14.11.
104 : */
105 :
106 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/vote_state_1_14_11.rs#L67
107 : static void
108 : from_vote_state_1_14_11( fd_vote_state_t * vote_state,
109 : fd_vote_state_1_14_11_t * vote_state_1_14_11, /* out */
110 351 : fd_valloc_t valloc ) {
111 351 : vote_state_1_14_11->node_pubkey = vote_state->node_pubkey; /* copy */
112 351 : vote_state_1_14_11->authorized_withdrawer = vote_state->authorized_withdrawer; /* copy */
113 351 : vote_state_1_14_11->commission = vote_state->commission; /* copy */
114 :
115 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/vote_state_1_14_11.rs#L72
116 351 : if( vote_state->votes ) {
117 330 : vote_state_1_14_11->votes = deq_fd_vote_lockout_t_alloc( valloc, deq_fd_landed_vote_t_cnt( vote_state->votes ) );
118 330 : for( deq_fd_landed_vote_t_iter_t iter = deq_fd_landed_vote_t_iter_init( vote_state->votes );
119 4566 : !deq_fd_landed_vote_t_iter_done( vote_state->votes, iter );
120 4236 : iter = deq_fd_landed_vote_t_iter_next( vote_state->votes, iter ) ) {
121 4236 : fd_landed_vote_t const * landed_vote = deq_fd_landed_vote_t_iter_ele_const( vote_state->votes, iter );
122 4236 : deq_fd_vote_lockout_t_push_tail( vote_state_1_14_11->votes, landed_vote->lockout );
123 4236 : }
124 330 : }
125 :
126 351 : vote_state_1_14_11->has_root_slot = vote_state->has_root_slot; /* copy */
127 351 : vote_state_1_14_11->root_slot = vote_state->root_slot; /* copy */
128 351 : vote_state_1_14_11->authorized_voters = vote_state->authorized_voters; /* move */
129 351 : vote_state_1_14_11->prior_voters = vote_state->prior_voters; /* deep copy */
130 351 : vote_state_1_14_11->epoch_credits = vote_state->epoch_credits; /* move */
131 351 : vote_state_1_14_11->last_timestamp = vote_state->last_timestamp; /* deep copy */
132 :
133 : /* Clear moved objects */
134 351 : vote_state->authorized_voters.treap = NULL;
135 351 : vote_state->authorized_voters.pool = NULL;
136 351 : vote_state->epoch_credits = NULL;
137 :
138 351 : fd_bincode_destroy_ctx_t destroy = { .valloc = valloc };
139 351 : fd_vote_state_destroy( vote_state, &destroy );
140 351 : }
141 :
142 : /**********************************************************************/
143 : /* impl VoteAccount */
144 : /**********************************************************************/
145 :
146 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1074
147 : static int
148 : get_state( fd_borrowed_account_t const * self,
149 : fd_valloc_t valloc,
150 12012 : fd_vote_state_versioned_t * versioned /* out */ ) {
151 12012 : int rc;
152 :
153 12012 : fd_bincode_decode_ctx_t decode_ctx;
154 12012 : decode_ctx.data = self->const_data;
155 12012 : decode_ctx.dataend = &self->const_data[self->const_meta->dlen];
156 12012 : decode_ctx.valloc = valloc;
157 :
158 12012 : rc = fd_vote_state_versioned_decode( versioned, &decode_ctx );
159 12012 : if( FD_UNLIKELY( rc != FD_BINCODE_SUCCESS ) )
160 3930 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
161 :
162 8082 : return FD_EXECUTOR_INSTR_SUCCESS;
163 12012 : }
164 :
165 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/src/transaction_context.rs#L976
166 : static int
167 : set_state( ulong self_acct_idx,
168 : fd_borrowed_account_t * self,
169 : fd_vote_state_versioned_t * state,
170 1158 : fd_exec_instr_ctx_t const * ctx ) {
171 :
172 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/src/transaction_context.rs#L977
173 1158 : do {
174 1158 : int err = 0;
175 1158 : if( FD_UNLIKELY( !fd_account_can_data_be_changed( ctx->instr, self_acct_idx, &err ) ) )
176 306 : return err;
177 1158 : } while(0);
178 :
179 852 : do {
180 852 : int err = fd_instr_borrowed_account_modify_idx( ctx, self_acct_idx, 0UL, &self );
181 852 : if( FD_UNLIKELY( err ) ) FD_LOG_ERR(( "fd_instr_borrowed_account_modify_idx failed (%d)", err ));
182 852 : } while(0);
183 :
184 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/src/transaction_context.rs#L978
185 852 : ulong serialized_size = fd_vote_state_versioned_size( state );
186 852 : if( FD_UNLIKELY( serialized_size > self->const_meta->dlen ) )
187 21 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
188 :
189 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/src/transaction_context.rs#L983
190 831 : fd_bincode_encode_ctx_t encode =
191 831 : { .data = self->data,
192 831 : .dataend = self->data + self->meta->dlen };
193 831 : do {
194 831 : int err = fd_vote_state_versioned_encode( state, &encode );
195 831 : if( FD_UNLIKELY( err ) ) FD_LOG_ERR(( "fd_vote_state_versioned_encode failed (%d)", err ));
196 831 : } while(0);
197 :
198 831 : return FD_EXECUTOR_INSTR_SUCCESS;
199 831 : }
200 :
201 : /**********************************************************************/
202 : /* impl AuthorizedVoters */
203 : /**********************************************************************/
204 :
205 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/authorized_voters.rs#L17
206 : static void
207 : authorized_voters_new( ulong epoch,
208 : fd_pubkey_t const * pubkey,
209 : fd_valloc_t valloc,
210 1935 : fd_vote_authorized_voters_t * authorized_voters /* out */ ) {
211 1935 : authorized_voters->pool = fd_vote_authorized_voters_pool_alloc ( valloc, FD_VOTE_AUTHORIZED_VOTERS_MIN );
212 1935 : authorized_voters->treap = fd_vote_authorized_voters_treap_alloc( valloc, FD_VOTE_AUTHORIZED_VOTERS_MIN );
213 1935 : if( 0 == fd_vote_authorized_voters_pool_free( authorized_voters->pool) ) {
214 0 : FD_LOG_ERR(( "Authorized_voter pool is empty" ));
215 0 : }
216 1935 : fd_vote_authorized_voter_t * ele =
217 1935 : fd_vote_authorized_voters_pool_ele_acquire( authorized_voters->pool );
218 1935 : ele->epoch = epoch;
219 1935 : memcpy( &ele->pubkey, pubkey, sizeof( fd_pubkey_t ) );
220 1935 : ele->prio = (ulong)&ele->pubkey;
221 1935 : fd_vote_authorized_voters_treap_ele_insert(
222 1935 : authorized_voters->treap, ele, authorized_voters->pool );
223 1935 : }
224 :
225 : static inline int
226 4737 : authorized_voters_is_empty( fd_vote_authorized_voters_t * self ) {
227 4737 : return fd_vote_authorized_voters_treap_ele_cnt( self->treap ) == 0;
228 4737 : }
229 :
230 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/authorized_voters.rs#L80
231 : static inline int
232 402 : authorized_voters_contains( fd_vote_authorized_voters_t * self, ulong epoch ) {
233 402 : return !!fd_vote_authorized_voters_treap_ele_query( self->treap, epoch, self->pool );
234 402 : }
235 :
236 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/authorized_voters.rs#L72
237 : static inline fd_vote_authorized_voter_t *
238 396 : authorized_voters_last( fd_vote_authorized_voters_t * self ) {
239 396 : fd_vote_authorized_voters_treap_rev_iter_t iter =
240 396 : fd_vote_authorized_voters_treap_rev_iter_init( self->treap, self->pool );
241 396 : return fd_vote_authorized_voters_treap_rev_iter_ele( iter, self->pool );
242 396 : }
243 :
244 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/authorized_voters.rs#L43
245 : static void
246 : authorized_voters_purge_authorized_voters( fd_vote_authorized_voters_t * self,
247 3027 : ulong current_epoch ) {
248 :
249 3027 : FD_SCRATCH_SCOPE_BEGIN {
250 :
251 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/authorized_voters.rs#L46
252 3027 : ulong *expired_keys = fd_scratch_alloc( alignof(ulong), fd_vote_authorized_voters_treap_ele_cnt(self->treap) * sizeof(ulong) );
253 3027 : ulong key_cnt = 0;
254 3027 : for( fd_vote_authorized_voters_treap_fwd_iter_t iter =
255 3027 : fd_vote_authorized_voters_treap_fwd_iter_init( self->treap, self->pool );
256 57372 : !fd_vote_authorized_voters_treap_fwd_iter_done( iter );
257 54345 : iter = fd_vote_authorized_voters_treap_fwd_iter_next( iter, self->pool ) ) {
258 54345 : fd_vote_authorized_voter_t * ele =
259 54345 : fd_vote_authorized_voters_treap_fwd_iter_ele( iter, self->pool );
260 54345 : if( ele->epoch < current_epoch ) expired_keys[key_cnt++] = ele->epoch;
261 54345 : }
262 :
263 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/authorized_voters.rs#L52
264 50046 : for( ulong i = 0; i < key_cnt; i++ ) {
265 47019 : fd_vote_authorized_voter_t * ele =
266 47019 : fd_vote_authorized_voters_treap_ele_query( self->treap, expired_keys[i], self->pool );
267 47019 : fd_vote_authorized_voters_treap_ele_remove( self->treap, ele, self->pool );
268 47019 : fd_vote_authorized_voters_pool_ele_release( self->pool, ele );
269 : // fd_vote_authorized_voter_destroy( &self->pool[i], &ctx3 );
270 47019 : }
271 :
272 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/authorized_voters.rs#L60
273 3027 : FD_TEST( !authorized_voters_is_empty( self ) );
274 :
275 3027 : }
276 3027 : FD_SCRATCH_SCOPE_END;
277 :
278 3027 : }
279 :
280 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/authorized_voters.rs#L91
281 : static fd_vote_authorized_voter_t *
282 : authorized_voters_get_or_calculate_authorized_voter_for_epoch( fd_vote_authorized_voters_t * self,
283 : ulong epoch,
284 3372 : int * existed ) {
285 3372 : *existed = 0;
286 3372 : ulong latest_epoch = 0;
287 3372 : fd_vote_authorized_voter_t * res =
288 3372 : fd_vote_authorized_voters_treap_ele_query( self->treap, epoch, self->pool );
289 : // "predecessor" would be more big-O optimal here, but mirroring labs logic
290 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/authorized_voters.rs#L93
291 3372 : if( FD_UNLIKELY( !res ) ) {
292 3213 : for( fd_vote_authorized_voters_treap_fwd_iter_t iter =
293 3213 : fd_vote_authorized_voters_treap_fwd_iter_init( self->treap, self->pool );
294 54480 : !fd_vote_authorized_voters_treap_fwd_iter_done( iter );
295 51267 : iter = fd_vote_authorized_voters_treap_fwd_iter_next( iter, self->pool ) ) {
296 51267 : fd_vote_authorized_voter_t * ele =
297 51267 : fd_vote_authorized_voters_treap_fwd_iter_ele( iter, self->pool );
298 51267 : if( ele->epoch < epoch && ( latest_epoch == 0 || ele->epoch > latest_epoch ) ) {
299 46989 : latest_epoch = ele->epoch;
300 46989 : res = ele;
301 46989 : }
302 51267 : }
303 3213 : *existed = 0;
304 3213 : return res;
305 3213 : } else {
306 159 : *existed = 1;
307 159 : return res;
308 159 : }
309 0 : return res;
310 3372 : }
311 :
312 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/authorized_voters.rs#L28
313 : static fd_vote_authorized_voter_t *
314 : authorized_voters_get_and_cache_authorized_voter_for_epoch( fd_vote_authorized_voters_t * self,
315 3372 : ulong epoch ) {
316 3372 : int existed = 0;
317 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/authorized_voters.rs#L29
318 3372 : fd_vote_authorized_voter_t * res =
319 3372 : authorized_voters_get_or_calculate_authorized_voter_for_epoch( self, epoch, &existed );
320 3372 : if( !res ) return NULL;
321 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/authorized_voters.rs#L32
322 3027 : if( !existed ) {
323 : /* insert cannot fail because !existed */
324 2868 : if( 0 == fd_vote_authorized_voters_pool_free( self->pool) ) {
325 0 : FD_LOG_ERR(( "Authorized_voter pool is empty" ));
326 0 : }
327 2868 : fd_vote_authorized_voter_t * ele = fd_vote_authorized_voters_pool_ele_acquire( self->pool );
328 2868 : ele->epoch = epoch;
329 2868 : memcpy( &ele->pubkey, &res->pubkey, sizeof( fd_pubkey_t ) );
330 2868 : ele->prio = (ulong)&res->pubkey;
331 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/authorized_voters.rs#L33
332 2868 : fd_vote_authorized_voters_treap_ele_insert( self->treap, ele, self->pool );
333 2868 : }
334 3027 : return res;
335 3027 : }
336 :
337 : /**********************************************************************/
338 : /* impl VoteStateVersions */
339 : /**********************************************************************/
340 :
341 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/vote_state_versions.rs#L66
342 : static fd_landed_vote_t *
343 : landed_votes_from_lockouts( fd_vote_lockout_t * lockouts,
344 4287 : fd_valloc_t valloc ) {
345 4287 : if( !lockouts ) return NULL;
346 :
347 : /* Allocate MAX_LOCKOUT_HISTORY (sane case) by default. In case the
348 : vote account is corrupt, allocate as many entries are needed. */
349 :
350 4287 : ulong cnt = deq_fd_vote_lockout_t_cnt( lockouts );
351 4287 : cnt = fd_ulong_max( cnt, MAX_LOCKOUT_HISTORY );
352 4287 : fd_landed_vote_t * landed_votes = deq_fd_landed_vote_t_alloc( valloc, cnt );
353 :
354 4287 : for( deq_fd_vote_lockout_t_iter_t iter = deq_fd_vote_lockout_t_iter_init( lockouts );
355 110928 : !deq_fd_vote_lockout_t_iter_done( lockouts, iter );
356 106641 : iter = deq_fd_vote_lockout_t_iter_next( lockouts, iter ) ) {
357 106641 : fd_vote_lockout_t const * ele = deq_fd_vote_lockout_t_iter_ele_const( lockouts, iter );
358 :
359 106641 : fd_landed_vote_t * elem = deq_fd_landed_vote_t_push_tail_nocopy( landed_votes );
360 106641 : fd_landed_vote_new( elem );
361 :
362 106641 : elem->latency = 0;
363 106641 : elem->lockout.slot = ele->slot;
364 106641 : elem->lockout.confirmation_count = ele->confirmation_count;
365 106641 : }
366 :
367 4287 : return landed_votes;
368 4287 : }
369 :
370 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/vote_state_versions.rs#L70
371 : static inline int
372 2601 : is_uninitialized( fd_vote_state_versioned_t * self ) {
373 2601 : switch( self->discriminant ) {
374 891 : case fd_vote_state_versioned_enum_v0_23_5:;
375 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/vote_state_versions.rs#L73
376 891 : fd_pubkey_t pubkey_default = { 0 };
377 891 : return 0 ==
378 891 : memcmp( &self->inner.v0_23_5.authorized_voter, &pubkey_default, sizeof( fd_pubkey_t ) );
379 804 : case fd_vote_state_versioned_enum_v1_14_11:;
380 804 : return authorized_voters_is_empty( &self->inner.v1_14_11.authorized_voters );
381 906 : case fd_vote_state_versioned_enum_current:
382 906 : return authorized_voters_is_empty( &self->inner.current.authorized_voters );
383 0 : default:
384 0 : FD_LOG_ERR(( "missing handler or invalid vote state version: %u", self->discriminant ));
385 2601 : }
386 2601 : }
387 :
388 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/vote_state_versions.rs#L73
389 : static void
390 : convert_to_current( fd_vote_state_versioned_t * self,
391 7533 : fd_valloc_t valloc ) {
392 7533 : switch( self->discriminant ) {
393 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/vote_state_versions.rs#L19
394 1926 : case fd_vote_state_versioned_enum_v0_23_5: {
395 1926 : fd_vote_state_0_23_5_t * state = &self->inner.v0_23_5;
396 1926 : fd_vote_authorized_voters_t authorized_voters;
397 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/vote_state_versions.rs#L21
398 1926 : authorized_voters_new(
399 1926 : state->authorized_voter_epoch, &state->authorized_voter, valloc, &authorized_voters );
400 :
401 : /* Temporary to hold current */
402 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/vote_state_versions.rs#L23
403 1926 : fd_vote_state_t current = {
404 1926 : .node_pubkey = state->node_pubkey, /* copy */
405 1926 : .authorized_withdrawer = state->authorized_withdrawer, /* copy */
406 1926 : .commission = state->commission, /* copy */
407 1926 : .votes = landed_votes_from_lockouts( state->votes, valloc ),
408 1926 : .has_root_slot = state->has_root_slot, /* copy */
409 1926 : .root_slot = state->root_slot, /* copy */
410 1926 : .authorized_voters = authorized_voters,
411 1926 : .prior_voters = (fd_vote_prior_voters_t) {
412 1926 : .idx = 31UL,
413 1926 : .is_empty = 1,
414 1926 : },
415 1926 : .epoch_credits = state->epoch_credits, /* move */
416 1926 : .last_timestamp = state->last_timestamp, /* deep copy */
417 1926 : };
418 :
419 : /* Move objects */
420 1926 : state->epoch_credits = NULL;
421 :
422 : /* Deallocate objects owned by old vote state */
423 1926 : fd_bincode_destroy_ctx_t destroy = { .valloc = valloc };
424 1926 : fd_vote_state_0_23_5_destroy( state, &destroy );
425 :
426 : /* Emplace new vote state into target */
427 1926 : self->discriminant = fd_vote_state_versioned_enum_current;
428 1926 : memcpy( &self->inner.current, ¤t, sizeof(fd_vote_state_t) );
429 :
430 1926 : break;
431 0 : }
432 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/vote_state_versions.rs#L44
433 2358 : case fd_vote_state_versioned_enum_v1_14_11: {
434 2358 : fd_vote_state_1_14_11_t * state = &self->inner.v1_14_11;
435 :
436 : /* Temporary to hold current */
437 2358 : fd_vote_state_t current = {
438 2358 : .node_pubkey = state->node_pubkey, /* copy */
439 2358 : .authorized_withdrawer = state->authorized_withdrawer, /* copy */
440 2358 : .commission = state->commission, /* copy */
441 2358 : .votes = landed_votes_from_lockouts( state->votes, valloc ),
442 2358 : .has_root_slot = state->has_root_slot, /* copy */
443 2358 : .root_slot = state->root_slot, /* copy */
444 2358 : .authorized_voters = state->authorized_voters, /* move */
445 2358 : .prior_voters = state->prior_voters, /* deep copy */
446 2358 : .epoch_credits = state->epoch_credits, /* move */
447 2358 : .last_timestamp = state->last_timestamp /* deep copy */
448 2358 : };
449 :
450 : /* Move objects */
451 2358 : state->authorized_voters.treap = NULL;
452 2358 : state->authorized_voters.pool = NULL;
453 2358 : state->epoch_credits = NULL;
454 :
455 : /* Deallocate objects owned by old vote state */
456 2358 : fd_bincode_destroy_ctx_t destroy = { .valloc = valloc };
457 2358 : fd_vote_state_1_14_11_destroy( state, &destroy );
458 :
459 : /* Emplace new vote state into target */
460 2358 : self->discriminant = fd_vote_state_versioned_enum_current;
461 2358 : memcpy( &self->inner.current, ¤t, sizeof( fd_vote_state_t ) );
462 :
463 2358 : break;
464 0 : }
465 3249 : case fd_vote_state_versioned_enum_current:
466 3249 : break;
467 0 : default:
468 0 : FD_LOG_ERR( ( "unsupported vote state version: %u", self->discriminant ) );
469 7533 : }
470 7533 : }
471 :
472 : /**********************************************************************/
473 : /* impl VoteState */
474 : /**********************************************************************/
475 :
476 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L428
477 : static void
478 : vote_state_new( fd_vote_init_t * vote_init,
479 : fd_sol_sysvar_clock_t const * clock,
480 : fd_valloc_t valloc,
481 9 : fd_vote_state_t * vote_state /* out */ ) {
482 9 : vote_state->node_pubkey = vote_init->node_pubkey;
483 9 : authorized_voters_new(
484 9 : clock->epoch, &vote_init->authorized_voter, valloc, &vote_state->authorized_voters );
485 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L431
486 9 : vote_state->authorized_withdrawer = vote_init->authorized_withdrawer;
487 9 : vote_state->commission = vote_init->commission;
488 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L434
489 9 : vote_state->prior_voters.idx = 31;
490 9 : vote_state->prior_voters.is_empty = 1;
491 9 : }
492 :
493 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L985
494 : static inline int
495 : verify_authorized_signer( fd_pubkey_t const * authorized,
496 6267 : fd_pubkey_t const * signers[static FD_TXN_SIG_MAX] ) {
497 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L989
498 6267 : return fd_instr_signers_contains( signers, authorized ) ?
499 2718 : FD_EXECUTOR_INSTR_SUCCESS :
500 6267 : FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
501 6267 : }
502 :
503 : // lambda function: https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L873
504 : static inline int
505 : verify( fd_pubkey_t * epoch_authorized_voter,
506 : int authorized_withdrawer_signer,
507 807 : fd_pubkey_t const * signers[static FD_TXN_SIG_MAX] ) {
508 807 : if( authorized_withdrawer_signer )
509 324 : return 0;
510 483 : else
511 483 : return verify_authorized_signer( epoch_authorized_voter, signers );
512 807 : }
513 :
514 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L845
515 : static void
516 9 : pop_expired_votes( fd_vote_state_t * self, ulong next_vote_slot ) {
517 12 : while( !deq_fd_landed_vote_t_empty( self->votes ) ) {
518 6 : fd_landed_vote_t * vote = deq_fd_landed_vote_t_peek_tail( self->votes );
519 6 : if( !( is_locked_out_at_slot( &vote->lockout, next_vote_slot ) ) ) {
520 3 : deq_fd_landed_vote_t_pop_tail( self->votes );
521 3 : } else {
522 3 : break;
523 3 : }
524 6 : }
525 9 : }
526 :
527 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L855
528 : static void
529 9 : double_lockouts( fd_vote_state_t * self ) {
530 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L856
531 9 : ulong stack_depth = deq_fd_landed_vote_t_cnt( self->votes );
532 9 : ulong i = 0;
533 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L857
534 9 : for( deq_fd_landed_vote_t_iter_t iter = deq_fd_landed_vote_t_iter_init( self->votes );
535 66 : !deq_fd_landed_vote_t_iter_done( self->votes, iter );
536 57 : iter = deq_fd_landed_vote_t_iter_next( self->votes, iter ) ) {
537 57 : fd_landed_vote_t * v = deq_fd_landed_vote_t_iter_ele( self->votes, iter );
538 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L860
539 57 : if( stack_depth >
540 57 : fd_ulong_checked_add_expect(
541 57 : i,
542 57 : (ulong)v->lockout.confirmation_count,
543 57 : "`confirmation_count` and tower_size should be bounded by `MAX_LOCKOUT_HISTORY`" ) )
544 18 : {
545 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L864
546 18 : increase_confirmation_count( &v->lockout, 1 );
547 18 : }
548 57 : i++;
549 57 : }
550 9 : }
551 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L668
552 : static inline uchar
553 6 : compute_vote_latency( ulong voted_for_slot, ulong current_slot ) {
554 6 : return (uchar)fd_ulong_min( fd_ulong_sat_sub( current_slot, voted_for_slot ), UCHAR_MAX );
555 6 : }
556 :
557 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L673
558 : static ulong
559 33 : credits_for_vote_at_index( fd_vote_state_t * self, ulong index, int timely_vote_credits, int deprecate_unused_legacy_vote_plumbing ) {
560 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L679
561 33 : fd_landed_vote_t * landed_vote = deq_fd_landed_vote_t_peek_index( self->votes, index );
562 33 : ulong latency = landed_vote == NULL ? 0 : landed_vote->latency;
563 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L683
564 33 : ulong max_credits = deprecate_unused_legacy_vote_plumbing ?
565 33 : VOTE_CREDITS_MAXIMUM_PER_SLOT : VOTE_CREDITS_MAXIMUM_PER_SLOT_OLD;
566 :
567 : // If latency is 0, this means that the Lockout was created and stored from a software version
568 : // that did not store vote latencies; in this case, 1 credit is awarded
569 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L691
570 33 : if( FD_UNLIKELY( latency == 0 || (deprecate_unused_legacy_vote_plumbing && !timely_vote_credits) ) ) {
571 33 : return 1;
572 33 : }
573 :
574 0 : ulong diff = 0;
575 0 : int cf = fd_ulong_checked_sub( latency, VOTE_CREDITS_GRACE_SLOTS, &diff );
576 0 : if( cf != 0 || diff == 0 ) {
577 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L697
578 0 : return max_credits;
579 0 : }
580 :
581 0 : ulong credits = 0;
582 0 : cf = fd_ulong_checked_sub( max_credits, diff, &credits );
583 0 : if( cf != 0 || credits == 0 ) {
584 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L705
585 0 : return 1;
586 0 : }
587 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L707
588 0 : return credits;
589 0 : }
590 :
591 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L639
592 : static void
593 24 : increment_credits( fd_vote_state_t * self, ulong epoch, ulong credits ) {
594 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L643
595 24 : if( FD_UNLIKELY( deq_fd_vote_epoch_credits_t_empty( self->epoch_credits ) ) ) {
596 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L644
597 0 : deq_fd_vote_epoch_credits_t_push_tail(
598 0 : self->epoch_credits,
599 0 : ( fd_vote_epoch_credits_t ){ .epoch = epoch, .credits = 0, .prev_credits = 0 } );
600 24 : } else if( FD_LIKELY( epoch !=
601 24 : deq_fd_vote_epoch_credits_t_peek_tail( self->epoch_credits )->epoch ) ) {
602 0 : fd_vote_epoch_credits_t * last = deq_fd_vote_epoch_credits_t_peek_tail( self->epoch_credits );
603 :
604 0 : ulong credits = last->credits;
605 0 : ulong prev_credits = last->prev_credits;
606 :
607 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L648
608 0 : if( FD_LIKELY( credits != prev_credits ) ) {
609 0 : deq_fd_vote_epoch_credits_t_push_tail(
610 0 : self->epoch_credits,
611 0 : ( fd_vote_epoch_credits_t ){
612 0 : .epoch = epoch, .credits = credits, .prev_credits = credits } );
613 0 : } else {
614 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L654
615 0 : deq_fd_vote_epoch_credits_t_peek_tail( self->epoch_credits )->epoch = epoch;
616 0 : }
617 :
618 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L658
619 0 : if( FD_UNLIKELY( deq_fd_vote_epoch_credits_t_cnt( self->epoch_credits ) >
620 0 : MAX_EPOCH_CREDITS_HISTORY ) ) {
621 0 : deq_fd_vote_epoch_credits_t_pop_head( self->epoch_credits );
622 0 : }
623 0 : }
624 :
625 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L663
626 24 : deq_fd_vote_epoch_credits_t_peek_tail( self->epoch_credits )->credits = fd_ulong_sat_add(
627 24 : deq_fd_vote_epoch_credits_t_peek_tail( self->epoch_credits )->credits, credits );
628 24 : }
629 :
630 : static inline ulong *
631 : last_voted_slot( fd_vote_state_t * self );
632 :
633 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L595
634 : static void
635 : process_next_vote_slot( fd_vote_state_t * self,
636 : ulong next_vote_slot,
637 : ulong epoch,
638 : ulong current_slot,
639 : int timely_vote_credits,
640 : int deprecate_unused_legacy_vote_plumbing
641 :
642 24 : ) {
643 24 : ulong * last_voted_slot_ = last_voted_slot( self );
644 24 : if( FD_UNLIKELY( last_voted_slot_ && next_vote_slot <= *last_voted_slot_ ) ) return;
645 :
646 9 : pop_expired_votes( self, next_vote_slot );
647 :
648 9 : fd_landed_vote_t landed_vote = { .latency = (timely_vote_credits || !deprecate_unused_legacy_vote_plumbing) ?
649 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L615
650 3 : compute_vote_latency( next_vote_slot, current_slot ) :
651 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L617
652 9 : 0,
653 9 : ( fd_vote_lockout_t ){ .slot = next_vote_slot } };
654 :
655 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L623
656 9 : if( FD_UNLIKELY( deq_fd_landed_vote_t_cnt( self->votes ) == MAX_LOCKOUT_HISTORY ) ) {
657 0 : ulong credits = credits_for_vote_at_index( self, 0, timely_vote_credits, deprecate_unused_legacy_vote_plumbing);
658 0 : fd_landed_vote_t landed_vote = deq_fd_landed_vote_t_pop_head( self->votes );
659 0 : self->has_root_slot = 1;
660 0 : self->root_slot = landed_vote.lockout.slot;
661 :
662 0 : increment_credits( self, epoch, credits );
663 0 : }
664 :
665 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L634
666 9 : deq_fd_landed_vote_t_push_tail( self->votes, landed_vote );
667 9 : double_lockouts( self );
668 9 : }
669 :
670 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L828
671 : static int
672 : get_and_update_authorized_voter( fd_vote_state_t * self,
673 : ulong current_epoch,
674 3372 : fd_pubkey_t ** pubkey /* out */ ) {
675 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L832
676 3372 : fd_vote_authorized_voter_t * authorized_voter =
677 3372 : authorized_voters_get_and_cache_authorized_voter_for_epoch( &self->authorized_voters,
678 3372 : current_epoch );
679 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L835
680 3372 : if( FD_UNLIKELY( !authorized_voter ) ) return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
681 3027 : *pubkey = &authorized_voter->pubkey;
682 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L837
683 3027 : authorized_voters_purge_authorized_voters( &self->authorized_voters, current_epoch );
684 3027 : return FD_EXECUTOR_INSTR_SUCCESS;
685 3372 : }
686 :
687 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L768
688 : static int
689 : set_new_authorized_voter( fd_vote_state_t * self,
690 : fd_pubkey_t const * authorized_pubkey,
691 : ulong current_epoch,
692 : ulong target_epoch,
693 : /* "verify" closure */ int authorized_withdrawer_signer,
694 : /* "verify" closure */ fd_pubkey_t const * signers[static FD_TXN_SIG_MAX],
695 855 : fd_exec_instr_ctx_t const * ctx ) {
696 855 : int rc;
697 855 : fd_pubkey_t * epoch_authorized_voter = NULL;
698 :
699 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L778
700 855 : rc = get_and_update_authorized_voter( self, current_epoch, &epoch_authorized_voter );
701 855 : if( FD_UNLIKELY( rc ) ) return rc;
702 :
703 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L779
704 807 : rc = verify( epoch_authorized_voter, authorized_withdrawer_signer, signers );
705 807 : if( FD_UNLIKELY( rc ) ) return rc;
706 :
707 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L786
708 402 : if( FD_UNLIKELY( authorized_voters_contains( &self->authorized_voters, target_epoch ) ) ) {
709 6 : ctx->txn_ctx->custom_err = FD_VOTE_ERR_TOO_SOON_TO_REAUTHORIZE;
710 6 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
711 6 : }
712 :
713 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L791
714 396 : fd_vote_authorized_voter_t * latest_authorized =
715 396 : authorized_voters_last( &self->authorized_voters );
716 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L794
717 396 : if( FD_UNLIKELY( ( !latest_authorized ) ) ) return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
718 396 : ulong latest_epoch = latest_authorized->epoch;
719 396 : fd_pubkey_t * latest_authorized_pubkey = &latest_authorized->pubkey;
720 :
721 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L799
722 396 : if( 0 != memcmp( latest_authorized_pubkey, authorized_pubkey, sizeof( fd_pubkey_t ) ) ) {
723 273 : fd_vote_prior_voters_t * prior_voters = &self->prior_voters;
724 :
725 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L801
726 273 : ulong epoch_of_last_authorized_switch = 0UL;
727 273 : if( (!prior_voters->is_empty) & (prior_voters->idx < 32) ) {
728 45 : epoch_of_last_authorized_switch = prior_voters->buf[prior_voters->idx].epoch_end;
729 45 : }
730 :
731 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L810
732 273 : if( target_epoch <= latest_epoch )
733 141 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
734 :
735 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L815
736 132 : prior_voters->idx += 1UL;
737 132 : prior_voters->idx %= 32UL;
738 132 : prior_voters->buf[prior_voters->idx] =
739 132 : ( fd_vote_prior_voter_t ){ .pubkey = *latest_authorized_pubkey,
740 132 : .epoch_start = epoch_of_last_authorized_switch,
741 132 : .epoch_end = target_epoch };
742 132 : prior_voters->is_empty = 0;
743 132 : }
744 :
745 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L822
746 255 : if( 0 == fd_vote_authorized_voters_pool_free( self->authorized_voters.pool) ) {
747 0 : FD_LOG_ERR(( "Authorized_voter pool is empty" ));
748 0 : }
749 :
750 255 : fd_vote_authorized_voter_t * ele =
751 255 : fd_vote_authorized_voters_pool_ele_acquire( self->authorized_voters.pool );
752 255 : ele->epoch = target_epoch;
753 255 : memcpy( &ele->pubkey, authorized_pubkey, sizeof( fd_pubkey_t ) );
754 255 : ele->prio = (ulong)&ele->pubkey;
755 255 : fd_vote_authorized_voters_treap_ele_insert(
756 255 : self->authorized_voters.treap, ele, self->authorized_voters.pool );
757 :
758 255 : return 0;
759 255 : }
760 :
761 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L869
762 : static int
763 : process_timestamp( fd_vote_state_t * self,
764 : ulong slot,
765 : long timestamp,
766 36 : fd_exec_instr_ctx_t const * ctx ) {
767 36 : if( FD_UNLIKELY(
768 36 : ( slot < self->last_timestamp.slot || timestamp < self->last_timestamp.timestamp ) ||
769 36 : ( slot == self->last_timestamp.slot &&
770 36 : ( slot != self->last_timestamp.slot || timestamp != self->last_timestamp.timestamp ) &&
771 36 : self->last_timestamp.slot != 0 ) ) ) {
772 9 : ctx->txn_ctx->custom_err = FD_VOTE_ERR_TIMESTAMP_TOO_OLD;
773 9 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
774 9 : }
775 27 : self->last_timestamp.slot = slot;
776 27 : self->last_timestamp.timestamp = timestamp;
777 :
778 27 : return 0;
779 36 : }
780 :
781 : /**********************************************************************/
782 : /* mod vote_state */
783 : /**********************************************************************/
784 :
785 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L166
786 : __attribute__((warn_unused_result)) static int
787 : set_vote_account_state( ulong vote_acct_idx,
788 : fd_borrowed_account_t * vote_account,
789 : fd_vote_state_t * vote_state,
790 1158 : fd_exec_instr_ctx_t const * ctx /* feature_set */ ) {
791 :
792 1158 : if( FD_FEATURE_ACTIVE( ctx->slot_ctx, vote_state_add_vote_latency ) ) {
793 : /* This is a horrible conditional expression in Agave.
794 : The terms were broken up into their own variables. */
795 :
796 1158 : ulong vsz = size_of_versioned( 1 );
797 :
798 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L175
799 1158 : int resize_needed = vote_account->const_meta->dlen < vsz;
800 1158 : fd_epoch_bank_t const * epoch_bank = fd_exec_epoch_ctx_epoch_bank_const( ctx->epoch_ctx );
801 1158 : int resize_rent_exempt = fd_rent_exempt_minimum_balance( &epoch_bank->rent, vsz ) <= vote_account->const_meta->info.lamports;
802 :
803 : /* The resize operation itself is part of the horrible conditional,
804 : but behind a short-circuit operator. */
805 1158 : int resize_failed = 0;
806 1158 : if( resize_needed && resize_rent_exempt ) {
807 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L179
808 903 : resize_failed =
809 903 : fd_account_set_data_length( ctx, vote_acct_idx, vsz ) != FD_EXECUTOR_INSTR_SUCCESS;
810 903 : }
811 :
812 1158 : if( FD_UNLIKELY( resize_needed && ( !resize_rent_exempt || resize_failed ) ) ) {
813 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L184
814 351 : fd_vote_state_versioned_t v1_14_11;
815 351 : fd_vote_state_versioned_new_disc( &v1_14_11, fd_vote_state_versioned_enum_v1_14_11 );
816 351 : from_vote_state_1_14_11( vote_state, &v1_14_11.inner.v1_14_11, fd_scratch_virtual() );
817 351 : return set_state( vote_acct_idx, vote_account, &v1_14_11, ctx );
818 351 : }
819 :
820 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L189
821 : // TODO: This is stupid... optimize this...
822 807 : fd_vote_state_versioned_t new_current = { .discriminant = fd_vote_state_versioned_enum_current,
823 807 : .inner = { .current = *vote_state } };
824 807 : return set_state( vote_acct_idx, vote_account, &new_current, ctx );
825 1158 : } else {
826 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L192
827 0 : fd_vote_state_versioned_t v1_14_11;
828 0 : fd_vote_state_versioned_new_disc( &v1_14_11, fd_vote_state_versioned_enum_v1_14_11 );
829 :
830 0 : from_vote_state_1_14_11( vote_state, &v1_14_11.inner.v1_14_11, fd_scratch_virtual() );
831 0 : return set_state( vote_acct_idx, vote_account, &v1_14_11, ctx );
832 0 : }
833 1158 : }
834 :
835 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L727
836 : static inline fd_vote_lockout_t *
837 50430 : last_lockout( fd_vote_state_t * self ) {
838 50430 : if( deq_fd_landed_vote_t_empty( self->votes ) ) return NULL;
839 37038 : fd_landed_vote_t * last_vote = deq_fd_landed_vote_t_peek_tail( self->votes );
840 37038 : return &last_vote->lockout;
841 50430 : }
842 :
843 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L731
844 : static inline ulong *
845 50430 : last_voted_slot( fd_vote_state_t * self ) {
846 50430 : fd_vote_lockout_t * last_lockout_ = last_lockout( self );
847 50430 : if( FD_UNLIKELY( !last_lockout_ ) ) return NULL;
848 37038 : return &last_lockout_->slot;
849 50430 : }
850 :
851 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L573
852 : static uchar
853 423 : contains_slot( fd_vote_state_t * vote_state, ulong slot ) {
854 : /* Logic is copied from slice::binary_search_by() in Rust */
855 423 : ulong start = 0UL;
856 423 : ulong end = deq_fd_landed_vote_t_cnt( vote_state->votes );
857 :
858 2241 : while( start < end ) {
859 1845 : ulong mid = start + ( end - start ) / 2UL;
860 1845 : ulong mid_slot = deq_fd_landed_vote_t_peek_index_const( vote_state->votes, mid )->lockout.slot;
861 1845 : if( mid_slot == slot ) {
862 27 : return 1;
863 1818 : } else if( mid_slot < slot ) {
864 564 : start = mid + 1UL;
865 1254 : } else {
866 1254 : end = mid;
867 1254 : }
868 1845 : }
869 396 : return 0;
870 423 : }
871 :
872 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L201
873 : static int
874 : check_and_filter_proposed_vote_state( fd_vote_state_t * vote_state,
875 : fd_vote_lockout_t * proposed_lockouts,
876 : uchar * proposed_has_root,
877 : ulong * proposed_root,
878 : fd_hash_t const * proposed_hash,
879 : fd_slot_hashes_t const * slot_hashes,
880 507 : fd_exec_instr_ctx_t const * ctx ) {
881 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L208
882 507 : if( FD_UNLIKELY( deq_fd_vote_lockout_t_empty( proposed_lockouts ) ) ) {
883 45 : ctx->txn_ctx->custom_err = FD_VOTE_ERR_EMPTY_SLOTS;
884 45 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
885 45 : }
886 462 : fd_landed_vote_t const * last_vote = NULL;
887 462 : if( !deq_fd_landed_vote_t_empty( vote_state->votes ) ) {
888 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L212
889 393 : last_vote = deq_fd_landed_vote_t_peek_tail( vote_state->votes );
890 393 : }
891 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L218
892 462 : if( FD_LIKELY( last_vote ) ) {
893 393 : if( FD_UNLIKELY( deq_fd_vote_lockout_t_peek_tail_const( proposed_lockouts )->slot <=
894 393 : last_vote->lockout.slot ) ) {
895 9 : ctx->txn_ctx->custom_err = FD_VOTE_ERROR_VOTE_TOO_OLD;
896 9 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
897 9 : }
898 393 : }
899 :
900 : /* must be nonempty, checked above */
901 453 : ulong last_vote_state_update_slot = deq_fd_vote_lockout_t_peek_tail_const( proposed_lockouts )->slot;
902 :
903 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L224
904 453 : if( FD_UNLIKELY( deq_fd_slot_hash_t_empty( slot_hashes->hashes ) ) ) {
905 36 : ctx->txn_ctx->custom_err = FD_VOTE_ERR_SLOTS_MISMATCH;
906 36 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
907 36 : }
908 :
909 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L227
910 417 : ulong earliest_slot_hash_in_history = deq_fd_slot_hash_t_peek_tail_const( slot_hashes->hashes )->slot;
911 :
912 : /* Check if the proposed vote is too old to be in the SlotHash history */
913 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L230
914 417 : if( FD_UNLIKELY( last_vote_state_update_slot < earliest_slot_hash_in_history ) ) {
915 27 : ctx->txn_ctx->custom_err = FD_VOTE_ERROR_VOTE_TOO_OLD;
916 27 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
917 27 : }
918 :
919 : /* Check if the proposed root is too old */
920 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L237
921 390 : if( *proposed_has_root ) {
922 246 : ulong const proposed_root_ = *proposed_root;
923 : /* If the new proposed root `R` is less than the earliest slot hash in the history
924 : such that we cannot verify whether the slot was actually was on this fork, set
925 : the root to the latest vote in the current vote that's less than R. */
926 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L242
927 246 : if( proposed_root_ < earliest_slot_hash_in_history ) {
928 165 : *proposed_has_root = vote_state->has_root_slot;
929 165 : *proposed_root = vote_state->root_slot;
930 165 : for( deq_fd_landed_vote_t_iter_t iter =
931 165 : deq_fd_landed_vote_t_iter_init_rev( vote_state->votes );
932 1689 : !deq_fd_landed_vote_t_iter_done_rev( vote_state->votes, iter );
933 1584 : iter = deq_fd_landed_vote_t_iter_prev( vote_state->votes, iter ) ) {
934 : /* Ensure we're iterating from biggest to smallest vote in the
935 : current vote state */
936 1584 : fd_landed_vote_t const * vote = deq_fd_landed_vote_t_iter_ele_const( vote_state->votes, iter );
937 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L248
938 1584 : if( vote->lockout.slot <= proposed_root_ ) {
939 60 : *proposed_has_root = 1;
940 60 : *proposed_root = vote->lockout.slot;
941 60 : break;
942 60 : }
943 :
944 1584 : }
945 165 : }
946 246 : }
947 :
948 390 : FD_SCRATCH_SCOPE_BEGIN {
949 :
950 : /* Index into the new proposed vote state's slots, starting with the root if it exists then
951 : we use this mutable root to fold checking the root slot into the below loop for performance */
952 390 : int has_root_to_check = *proposed_has_root;
953 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L259
954 390 : ulong root_to_check = *proposed_root;
955 390 : ulong proposed_lockouts_index = 0UL;
956 390 : ulong lockouts_len = deq_fd_vote_lockout_t_cnt( proposed_lockouts );
957 :
958 : /* Index into the slot_hashes, starting at the oldest known slot hash */
959 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L264
960 390 : ulong slot_hashes_index = deq_fd_slot_hash_t_cnt( slot_hashes->hashes );
961 390 : ulong * proposed_lockouts_indexes_to_filter = fd_scratch_alloc( alignof(ulong), lockouts_len * sizeof(ulong) );
962 390 : ulong filter_index = 0UL;
963 :
964 :
965 : /* Note:
966 :
967 : 1) `vote_state_update.lockouts` is sorted from oldest/smallest vote to newest/largest
968 : vote, due to the way votes are applied to the vote state (newest votes
969 : pushed to the back).
970 :
971 : 2) Conversely, `slot_hashes` is sorted from newest/largest vote to
972 : the oldest/smallest vote
973 :
974 : Unlike for vote updates, vote state updates here can't only check votes older than the last vote
975 : because have to ensure that every slot is actually part of the history, not just the most
976 : recent ones */
977 :
978 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L279
979 29658 : while( proposed_lockouts_index < lockouts_len && slot_hashes_index > 0 ) {
980 29556 : ulong proposed_vote_slot =
981 29556 : fd_ulong_if( has_root_to_check,
982 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L281
983 29556 : root_to_check,
984 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L283
985 29556 : deq_fd_vote_lockout_t_peek_index_const( proposed_lockouts,
986 29556 : proposed_lockouts_index )
987 29556 : ->slot );
988 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L285
989 29556 : if( !has_root_to_check && proposed_lockouts_index > 0UL &&
990 29556 : proposed_vote_slot <=
991 1200 : deq_fd_vote_lockout_t_peek_index_const(
992 1200 : proposed_lockouts,
993 1200 : fd_ulong_checked_sub_expect(
994 1200 : proposed_lockouts_index,
995 1200 : 1,
996 1200 : "`proposed_lockouts_index` is positive when checking `SlotsNotOrdered`" ) )
997 1200 : ->slot ) {
998 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L293
999 9 : ctx->txn_ctx->custom_err = FD_VOTE_ERR_SLOTS_NOT_ORDERED;
1000 9 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1001 9 : }
1002 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L295
1003 29547 : ulong ancestor_slot =
1004 29547 : deq_fd_slot_hash_t_peek_index_const(
1005 29547 : slot_hashes->hashes,
1006 29547 : fd_ulong_checked_sub_expect(
1007 29547 : slot_hashes_index,
1008 29547 : 1UL,
1009 29547 : "`slot_hashes_index` is positive when computing `ancestor_slot`" ) )
1010 29547 : ->slot;
1011 : /* Find if this slot in the proposed vote state exists in the SlotHashes history
1012 : to confirm if it was a valid ancestor on this fork */
1013 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L303
1014 29547 : if( proposed_vote_slot < ancestor_slot ) {
1015 702 : if( slot_hashes_index == deq_fd_slot_hash_t_cnt( slot_hashes->hashes ) ) {
1016 : /* The vote slot does not exist in the SlotHashes history because it's too old,
1017 : i.e. older than the oldest slot in the history. */
1018 423 : if( proposed_vote_slot >= earliest_slot_hash_in_history ) {
1019 0 : ctx->txn_ctx->custom_err = 0;
1020 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1021 0 : }
1022 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L310
1023 423 : if( !contains_slot( vote_state, proposed_vote_slot ) && !has_root_to_check ) {
1024 : /* If the vote slot is both:
1025 : 1) Too old
1026 : 2) Doesn't already exist in vote state
1027 : Then filter it out */
1028 327 : proposed_lockouts_indexes_to_filter[filter_index++] = proposed_lockouts_index; }
1029 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L318
1030 423 : if( has_root_to_check ) {
1031 93 : ulong new_proposed_root = root_to_check;
1032 : /* 1. Because `root_to_check.is_some()`, then we know that
1033 : we haven't checked the root yet in this loop, so
1034 : `proposed_vote_slot` == `new_proposed_root` == `vote_state_update.root` */
1035 93 : FD_TEST( new_proposed_root == proposed_vote_slot );
1036 : /* 2. We know from the assert earlier in the function that
1037 : `proposed_vote_slot < earliest_slot_hash_in_history`,
1038 : so from 1. we know that `new_proposed_root < earliest_slot_hash_in_history` */
1039 93 : if( new_proposed_root >= earliest_slot_hash_in_history ) {
1040 0 : ctx->txn_ctx->custom_err = 0;
1041 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1042 0 : }
1043 :
1044 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L329
1045 93 : has_root_to_check = 0;
1046 93 : root_to_check = ULONG_MAX;
1047 330 : } else {
1048 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L331
1049 330 : proposed_lockouts_index = fd_ulong_checked_add_expect(
1050 330 : proposed_lockouts_index,
1051 330 : 1,
1052 330 : "`proposed_lockouts_index` is bounded by `MAX_LOCKOUT_HISTORY` when "
1053 330 : "`proposed_vote_slot` is too old to be in SlotHashes history" );
1054 330 : }
1055 423 : continue;
1056 423 : } else {
1057 : /* If the vote slot is new enough to be in the slot history,
1058 : but is not part of the slot history, then it must belong to another fork,
1059 : which means this vote state update is invalid. */
1060 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L340
1061 279 : if( has_root_to_check ) {
1062 87 : ctx->txn_ctx->custom_err = FD_VOTE_ERR_ROOT_ON_DIFFERENT_FORK;
1063 87 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1064 192 : } else {
1065 192 : ctx->txn_ctx->custom_err = FD_VOTE_ERR_SLOTS_MISMATCH;
1066 192 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1067 192 : }
1068 279 : }
1069 28845 : } else if( proposed_vote_slot > ancestor_slot ) {
1070 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L347
1071 :
1072 : /* Decrement `slot_hashes_index` to find newer slots in the SlotHashes history */
1073 28029 : slot_hashes_index = fd_ulong_checked_sub_expect(
1074 28029 : slot_hashes_index,
1075 28029 : 1,
1076 28029 : "`slot_hashes_index` is positive when finding newer slots in SlotHashes history" );
1077 28029 : continue;
1078 28029 : } else {
1079 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L354
1080 :
1081 : /* Once the slot in `vote_state_update.lockouts` is found, bump to the next slot
1082 : in `vote_state_update.lockouts` and continue. If we were checking the root,
1083 : start checking the vote state instead. */
1084 816 : if( has_root_to_check ) {
1085 24 : has_root_to_check = 0;
1086 24 : root_to_check = ULONG_MAX;
1087 792 : } else {
1088 792 : proposed_lockouts_index = fd_ulong_checked_add_expect(
1089 792 : proposed_lockouts_index,
1090 792 : 1,
1091 792 : "`proposed_lockouts_index` is bounded by `MAX_LOCKOUT_HISTORY` "
1092 792 : "when match is found in SlotHashes history" );
1093 792 : slot_hashes_index = fd_ulong_checked_sub_expect(
1094 792 : slot_hashes_index,
1095 792 : 1,
1096 792 : "`slot_hashes_index` is positive when match is found in SlotHashes history" );
1097 792 : }
1098 816 : }
1099 29547 : }
1100 :
1101 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L372
1102 102 : if( proposed_lockouts_index != deq_fd_vote_lockout_t_cnt( proposed_lockouts ) ) {
1103 : /* The last vote slot in the update did not exist in SlotHashes */
1104 39 : ctx->txn_ctx->custom_err = FD_VOTE_ERR_SLOTS_MISMATCH;
1105 39 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1106 39 : }
1107 :
1108 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L401
1109 63 : if( memcmp( &deq_fd_slot_hash_t_peek_index_const( slot_hashes->hashes, slot_hashes_index )->hash,
1110 63 : proposed_hash,
1111 63 : sizeof( fd_hash_t ) ) != 0 ) {
1112 : /* This means the newest vote in the slot has a match that
1113 : doesn't match the expected hash for that slot on this fork */
1114 6 : ctx->txn_ctx->custom_err = FD_VOTE_ERR_SLOTS_HASH_MISMATCH;
1115 6 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1116 6 : }
1117 :
1118 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L418
1119 : /* Filter out the irrelevant votes */
1120 57 : proposed_lockouts_index = 0UL;
1121 57 : ulong filter_votes_index = deq_fd_vote_lockout_t_cnt( proposed_lockouts );
1122 :
1123 : /* We need to iterate backwards here because proposed_lockouts_indexes_to_filter[ i ] is a
1124 : strictly increasing value. Forward iterating can lead to the proposed lockout indicies to get
1125 : shifted leading to popping the wrong proposed lockouts or out of bounds accessing. We need
1126 : to be sure of handling underflow in this case. */
1127 :
1128 270 : for( ulong i=filter_index; i>0UL && filter_votes_index>0UL; i-- ) {
1129 213 : proposed_lockouts_index = i - 1UL;
1130 213 : if( FD_UNLIKELY(proposed_lockouts_indexes_to_filter[ proposed_lockouts_index ]>=filter_votes_index ) ) {
1131 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
1132 0 : }
1133 :
1134 213 : deq_fd_vote_lockout_t_pop_idx_tail( proposed_lockouts, proposed_lockouts_indexes_to_filter[ proposed_lockouts_index ] );
1135 213 : filter_votes_index--;
1136 213 : }
1137 390 : } FD_SCRATCH_SCOPE_END;
1138 :
1139 57 : return FD_EXECUTOR_INSTR_SUCCESS;
1140 390 : }
1141 :
1142 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L440
1143 : static int
1144 : check_slots_are_valid( fd_vote_state_t * vote_state,
1145 : ulong const * vote_slots,
1146 : fd_hash_t const * vote_hash,
1147 : fd_slot_hashes_t const * slot_hashes,
1148 396 : fd_exec_instr_ctx_t const * ctx ) {
1149 396 : ulong i = 0;
1150 396 : ulong j = deq_fd_slot_hash_t_cnt( slot_hashes->hashes );
1151 396 : ulong vote_slots_len = deq_ulong_cnt( vote_slots );
1152 :
1153 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L462
1154 50802 : while( i < vote_slots_len && j > 0 ) {
1155 50406 : ulong * last_voted_slot_ = last_voted_slot( vote_state );
1156 50406 : if( FD_UNLIKELY( last_voted_slot_ &&
1157 50406 : *deq_ulong_peek_index_const( vote_slots, i ) <= *last_voted_slot_ ) ) {
1158 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L469
1159 1755 : i = fd_ulong_checked_add_expect(
1160 1755 : i, 1, "`i` is bounded by `MAX_LOCKOUT_HISTORY` when finding larger slots" );
1161 1755 : continue;
1162 1755 : }
1163 :
1164 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L476
1165 48651 : if( FD_UNLIKELY(
1166 48651 : *deq_ulong_peek_index_const( vote_slots, i ) !=
1167 48651 : deq_fd_slot_hash_t_peek_index( slot_hashes->hashes,
1168 48651 : fd_ulong_checked_sub_expect( j, 1, "`j` is positive" ) )
1169 48651 : ->slot ) ) {
1170 48531 : j = fd_ulong_checked_sub_expect( j, 1, "`j` is positive when finding newer slots" );
1171 48531 : continue;
1172 48531 : }
1173 :
1174 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L486
1175 120 : i = fd_ulong_checked_add_expect(
1176 120 : i, 1, "`i` is bounded by `MAX_LOCKOUT_HISTORY` when hash is found" );
1177 120 : j = fd_ulong_checked_sub_expect( j, 1, "`j` is positive when hash is found" );
1178 120 : }
1179 :
1180 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L494
1181 396 : if( FD_UNLIKELY( j == deq_fd_slot_hash_t_cnt( slot_hashes->hashes ) ) ) {
1182 111 : ctx->txn_ctx->custom_err = FD_VOTE_ERROR_VOTE_TOO_OLD;
1183 111 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1184 111 : }
1185 285 : if( FD_UNLIKELY( i != vote_slots_len ) ) {
1186 273 : ctx->txn_ctx->custom_err = FD_VOTE_ERR_SLOTS_MISMATCH;
1187 273 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1188 273 : }
1189 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L514
1190 12 : if( FD_UNLIKELY( 0 != memcmp( &deq_fd_slot_hash_t_peek_index( slot_hashes->hashes, j )->hash,
1191 12 : vote_hash,
1192 12 : 32UL ) ) ) {
1193 3 : ctx->txn_ctx->custom_err = FD_VOTE_ERR_SLOTS_HASH_MISMATCH;
1194 3 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1195 3 : }
1196 9 : return 0;
1197 12 : }
1198 :
1199 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L565
1200 : static int
1201 : process_new_vote_state( fd_vote_state_t * vote_state,
1202 : fd_landed_vote_t * new_state,
1203 : int has_new_root,
1204 : ulong new_root,
1205 : int has_timestamp,
1206 : long timestamp,
1207 : ulong epoch,
1208 : ulong current_slot,
1209 57 : fd_exec_instr_ctx_t const * ctx /* feature_set */ ) {
1210 57 : int rc;
1211 :
1212 57 : FD_TEST( !deq_fd_landed_vote_t_empty( new_state ) );
1213 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L575
1214 57 : if( FD_UNLIKELY( deq_fd_landed_vote_t_cnt( new_state ) > MAX_LOCKOUT_HISTORY ) ) {
1215 0 : ctx->txn_ctx->custom_err = FD_VOTE_ERR_TOO_MANY_VOTES;
1216 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1217 57 : };
1218 :
1219 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L579
1220 57 : if( FD_UNLIKELY( has_new_root && vote_state->has_root_slot ) ) {
1221 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L581
1222 24 : if( FD_UNLIKELY( new_root < vote_state->root_slot ) ) {
1223 0 : ctx->txn_ctx->custom_err = FD_VOTE_ERR_ROOT_ROLL_BACK;
1224 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1225 0 : }
1226 33 : } else if( FD_UNLIKELY( !has_new_root && vote_state->has_root_slot ) ) {
1227 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L586
1228 6 : ctx->txn_ctx->custom_err = FD_VOTE_ERR_ROOT_ROLL_BACK;
1229 6 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1230 27 : } else {
1231 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L588
1232 : /* no-op */
1233 27 : }
1234 :
1235 51 : fd_landed_vote_t * previous_vote = NULL;
1236 51 : for( deq_fd_landed_vote_t_iter_t iter = deq_fd_landed_vote_t_iter_init( new_state );
1237 822 : !deq_fd_landed_vote_t_iter_done( new_state, iter );
1238 774 : iter = deq_fd_landed_vote_t_iter_next( new_state, iter ) ) {
1239 774 : fd_landed_vote_t * vote = deq_fd_landed_vote_t_iter_ele( new_state, iter );
1240 774 : if( FD_LIKELY( vote->lockout.confirmation_count == 0 ) ) {
1241 0 : ctx->txn_ctx->custom_err = FD_VOTE_ERR_ZERO_CONFIRMATIONS;
1242 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1243 774 : } else if( FD_UNLIKELY( vote->lockout.confirmation_count > MAX_LOCKOUT_HISTORY ) ) {
1244 0 : ctx->txn_ctx->custom_err = FD_VOTE_ERR_CONFIRMATION_TOO_LARGE;
1245 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1246 774 : } else if( FD_LIKELY( has_new_root ) ) {
1247 744 : if( FD_UNLIKELY( vote->lockout.slot <= new_root && new_root != SLOT_DEFAULT ) ) {
1248 0 : ctx->txn_ctx->custom_err = FD_VOTE_ERR_SLOT_SMALLER_THAN_ROOT;
1249 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1250 0 : }
1251 744 : }
1252 :
1253 774 : if( FD_LIKELY( previous_vote ) ) {
1254 723 : if( FD_UNLIKELY( previous_vote->lockout.slot >= vote->lockout.slot ) ) {
1255 0 : ctx->txn_ctx->custom_err = FD_VOTE_ERR_SLOTS_NOT_ORDERED;
1256 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1257 723 : } else if( FD_UNLIKELY( previous_vote->lockout.confirmation_count <=
1258 723 : vote->lockout.confirmation_count ) ) {
1259 0 : ctx->txn_ctx->custom_err = FD_VOTE_ERR_CONFIRMATIONS_NOT_ORDERED;
1260 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1261 723 : } else if( FD_UNLIKELY( vote->lockout.slot >
1262 723 : last_locked_out_slot( &previous_vote->lockout ) ) ) {
1263 3 : ctx->txn_ctx->custom_err = FD_VOTE_ERR_NEW_VOTE_STATE_LOCKOUT_MISMATCH;
1264 3 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1265 3 : }
1266 723 : }
1267 771 : previous_vote = vote;
1268 771 : }
1269 :
1270 48 : ulong current_vote_state_index = 0;
1271 48 : ulong new_vote_state_index = 0;
1272 :
1273 : /* Accumulate credits earned by newly rooted slots. The behavior changes with
1274 : timely_vote_credits: prior to this feature, there was a bug that counted a new root slot as 1
1275 : credit even if it had never been voted on. timely_vote_credits fixes this bug by only awarding
1276 : credits for slots actually voted on and finalized. */
1277 :
1278 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L635
1279 48 : int timely_vote_credits = FD_FEATURE_ACTIVE( ctx->slot_ctx, timely_vote_credits );
1280 48 : int deprecate_unused_legacy_vote_plumbing = FD_FEATURE_ACTIVE( ctx->slot_ctx, deprecate_unused_legacy_vote_plumbing );
1281 :
1282 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L641
1283 48 : ulong earned_credits = timely_vote_credits ? 0 : 1;
1284 :
1285 48 : if( FD_LIKELY( has_new_root ) ) {
1286 24 : for( deq_fd_landed_vote_t_iter_t iter = deq_fd_landed_vote_t_iter_init( vote_state->votes );
1287 81 : !deq_fd_landed_vote_t_iter_done( vote_state->votes, iter );
1288 81 : iter = deq_fd_landed_vote_t_iter_next( vote_state->votes, iter ) ) {
1289 81 : fd_landed_vote_t * current_vote = deq_fd_landed_vote_t_iter_ele( vote_state->votes, iter );
1290 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L647
1291 81 : if( FD_UNLIKELY( current_vote->lockout.slot <= new_root ) ) {
1292 : // this is safe because we're inside if has_new_root
1293 57 : if( FD_LIKELY( timely_vote_credits || ( current_vote->lockout.slot != new_root ) ) ) {
1294 33 : earned_credits = fd_ulong_checked_add_expect(
1295 33 : credits_for_vote_at_index( vote_state,
1296 33 : current_vote_state_index,
1297 33 : timely_vote_credits,
1298 33 : deprecate_unused_legacy_vote_plumbing
1299 33 : ),
1300 33 : earned_credits,
1301 33 : "`earned_credits` does not overflow" );
1302 33 : }
1303 57 : current_vote_state_index = fd_ulong_checked_add_expect(
1304 57 : current_vote_state_index,
1305 57 : 1,
1306 57 : "`current_vote_state_index` is bounded by `MAX_LOCKOUT_HISTORY` "
1307 57 : "when processing new root" );
1308 57 : continue;
1309 57 : }
1310 24 : break;
1311 81 : }
1312 24 : }
1313 :
1314 : // For any slots newly added to the new vote state, the vote latency of that slot is not provided by the
1315 : // vote instruction contents, but instead is computed from the actual latency of the vote
1316 : // instruction. This prevents other validators from manipulating their own vote latencies within their vote states
1317 : // and forcing the rest of the cluster to accept these possibly fraudulent latency values. If the
1318 : // timly_vote_credits feature is not enabled then vote latency is set to 0 for new votes.
1319 : //
1320 : // For any slot that is in both the new state and the current state, the vote latency of the new state is taken
1321 : // from the current state.
1322 : //
1323 : // Thus vote latencies are set here for any newly vote-on slots when a vote instruction is received.
1324 : // They are copied into the new vote state after every vote for already voted-on slots.
1325 : // And when voted-on slots are rooted, the vote latencies stored in the vote state of all the rooted slots is used
1326 : // to compute credits earned.
1327 : // All validators compute the same vote latencies because all process the same vote instruction at the
1328 : // same slot, and the only time vote latencies are ever computed is at the time that their slot is first voted on;
1329 : // after that, the latencies are retained unaltered until the slot is rooted.
1330 :
1331 : // All the votes in our current vote state that are missing from the new vote state
1332 : // must have been expired by later votes. Check that the lockouts match this assumption.
1333 :
1334 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L686
1335 774 : while( current_vote_state_index < deq_fd_landed_vote_t_cnt( vote_state->votes ) &&
1336 774 : new_vote_state_index < deq_fd_landed_vote_t_cnt( new_state ) ) {
1337 726 : fd_landed_vote_t * current_vote =
1338 726 : deq_fd_landed_vote_t_peek_index( vote_state->votes, current_vote_state_index );
1339 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L690
1340 726 : fd_landed_vote_t * new_vote =
1341 726 : deq_fd_landed_vote_t_peek_index( new_state, new_vote_state_index );
1342 :
1343 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L696
1344 726 : if( FD_LIKELY( current_vote->lockout.slot < new_vote->lockout.slot ) ) {
1345 30 : ulong last_locked_out_slot =
1346 30 : current_vote->lockout.slot +
1347 30 : (ulong)pow( INITIAL_LOCKOUT, current_vote->lockout.confirmation_count );
1348 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L697
1349 30 : if( last_locked_out_slot >= new_vote->lockout.slot ) {
1350 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L698
1351 0 : ctx->txn_ctx->custom_err = FD_VOTE_ERR_LOCKOUT_CONFLICT;
1352 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1353 0 : }
1354 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L700
1355 30 : current_vote_state_index =
1356 30 : fd_ulong_checked_add_expect( current_vote_state_index,
1357 30 : 1,
1358 30 : "`current_vote_state_index` is bounded by "
1359 30 : "`MAX_LOCKOUT_HISTORY` when slot is less than proposed" );
1360 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L704
1361 696 : } else if( FD_UNLIKELY( current_vote->lockout.slot == new_vote->lockout.slot ) ) {
1362 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L707
1363 687 : if( new_vote->lockout.confirmation_count < current_vote->lockout.confirmation_count ) {
1364 0 : ctx->txn_ctx->custom_err = FD_VOTE_ERR_CONFIRMATION_ROLL_BACK;
1365 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1366 0 : }
1367 :
1368 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L712
1369 687 : new_vote->latency =
1370 687 : deq_fd_landed_vote_t_peek_index( vote_state->votes, current_vote_state_index )->latency;
1371 :
1372 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L714
1373 687 : current_vote_state_index =
1374 687 : fd_ulong_checked_add_expect( current_vote_state_index,
1375 687 : 1,
1376 687 : "`current_vote_state_index` is bounded by "
1377 687 : "`MAX_LOCKOUT_HISTORY` when slot is equal to proposed" );
1378 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L717
1379 687 : new_vote_state_index =
1380 687 : fd_ulong_checked_add_expect( new_vote_state_index,
1381 687 : 1,
1382 687 : "`new_vote_state_index` is bounded by `MAX_LOCKOUT_HISTORY` "
1383 687 : "when slot is equal to proposed" );
1384 687 : } else {
1385 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L722
1386 9 : new_vote_state_index =
1387 9 : fd_ulong_checked_add_expect( new_vote_state_index,
1388 9 : 1,
1389 9 : "`new_vote_state_index` is bounded by `MAX_LOCKOUT_HISTORY` "
1390 9 : "when slot is greater than proposed" );
1391 9 : }
1392 726 : }
1393 :
1394 : // Comment:
1395 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L736
1396 48 : if( FD_LIKELY( timely_vote_credits ) ) {
1397 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L737
1398 3 : for( deq_fd_landed_vote_t_iter_t iter = deq_fd_landed_vote_t_iter_init( new_state );
1399 6 : !deq_fd_landed_vote_t_iter_done( new_state, iter );
1400 3 : iter = deq_fd_landed_vote_t_iter_next( new_state, iter ) ) {
1401 3 : fd_landed_vote_t * new_vote = deq_fd_landed_vote_t_iter_ele( new_state, iter );
1402 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L738
1403 3 : if( FD_UNLIKELY( new_vote->latency == 0 ) ) {
1404 : // this is unlikely because as validators upgrade, it should converge to the new vote state
1405 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L739
1406 3 : new_vote->latency = compute_vote_latency( new_vote->lockout.slot, current_slot );
1407 3 : }
1408 3 : }
1409 3 : }
1410 :
1411 : // doesn't matter what the value of slot if `is_some = 0` i.e. `Option::None`
1412 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L744
1413 48 : int both_none = !vote_state->has_root_slot && !has_new_root;
1414 48 : if( ( !both_none && ( vote_state->has_root_slot != has_new_root ||
1415 24 : vote_state->root_slot != new_root ) ) ) {
1416 24 : increment_credits( vote_state, epoch, earned_credits );
1417 24 : }
1418 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L750
1419 48 : if( FD_LIKELY( has_timestamp ) ) {
1420 : /* new_state asserted nonempty at function beginning */
1421 33 : if( deq_fd_landed_vote_t_empty( new_state ) ) {
1422 0 : FD_LOG_ERR(( "solana panic" ));
1423 : // TODO: solana panics ... unclear what to return
1424 0 : ctx->txn_ctx->custom_err = 0;
1425 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1426 0 : }
1427 33 : ulong last_slot = deq_fd_landed_vote_t_peek_tail( new_state )->lockout.slot;
1428 33 : rc = process_timestamp( vote_state, last_slot, timestamp, ctx );
1429 33 : if( FD_UNLIKELY( rc ) ) { return rc; }
1430 24 : vote_state->last_timestamp.timestamp = timestamp;
1431 24 : }
1432 :
1433 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L754
1434 39 : vote_state->has_root_slot = (uchar)has_new_root;
1435 39 : vote_state->root_slot = new_root;
1436 :
1437 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L755
1438 39 : deq_fd_landed_vote_t_remove_all( vote_state->votes );
1439 39 : for( deq_fd_landed_vote_t_iter_t iter = deq_fd_landed_vote_t_iter_init( new_state );
1440 798 : !deq_fd_landed_vote_t_iter_done( new_state, iter );
1441 759 : iter = deq_fd_landed_vote_t_iter_next( new_state, iter ) ) {
1442 759 : fd_landed_vote_t * landed_vote = deq_fd_landed_vote_t_iter_ele( new_state, iter );
1443 759 : deq_fd_landed_vote_t_push_tail( vote_state->votes, *landed_vote );
1444 759 : }
1445 :
1446 39 : return FD_EXECUTOR_INSTR_SUCCESS;
1447 48 : }
1448 :
1449 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L849
1450 : static int
1451 : authorize( ulong vote_acct_idx,
1452 : fd_borrowed_account_t * vote_account,
1453 : fd_pubkey_t const * authorized,
1454 : fd_vote_authorize_t vote_authorize,
1455 : fd_pubkey_t const * signers[static FD_TXN_SIG_MAX],
1456 : fd_sol_sysvar_clock_t const * clock,
1457 1935 : fd_exec_instr_ctx_t const * ctx /* feature_set */ ) {
1458 1935 : int rc;
1459 :
1460 1935 : fd_valloc_t scratch_valloc = fd_scratch_virtual();
1461 :
1462 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L857
1463 1935 : fd_vote_state_versioned_t vote_state_versioned;
1464 1935 : rc = get_state( vote_account, scratch_valloc, &vote_state_versioned );
1465 1935 : if( FD_UNLIKELY( rc ) ) return rc;
1466 1380 : convert_to_current( &vote_state_versioned, scratch_valloc );
1467 1380 : fd_vote_state_t * vote_state = &vote_state_versioned.inner.current;
1468 :
1469 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L861
1470 1380 : switch( vote_authorize.discriminant ) {
1471 :
1472 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L862
1473 855 : case fd_vote_authorize_enum_voter:;
1474 :
1475 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L863
1476 855 : int authorized_withdrawer_signer =
1477 855 : FD_EXECUTOR_INSTR_SUCCESS ==
1478 855 : verify_authorized_signer( &vote_state->authorized_withdrawer, signers );
1479 :
1480 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L866
1481 855 : rc = set_new_authorized_voter( vote_state,
1482 855 : authorized,
1483 855 : clock->epoch,
1484 855 : clock->leader_schedule_epoch + 1UL,
1485 855 : authorized_withdrawer_signer,
1486 855 : signers,
1487 855 : ctx );
1488 855 : if( FD_UNLIKELY( rc ) ) return rc;
1489 255 : break;
1490 :
1491 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L883
1492 525 : case fd_vote_authorize_enum_withdrawer:
1493 525 : rc = verify_authorized_signer( &vote_state->authorized_withdrawer, signers );
1494 525 : if( FD_UNLIKELY( rc ) ) return rc;
1495 234 : memcpy( &vote_state->authorized_withdrawer, authorized, sizeof( fd_pubkey_t ) );
1496 234 : break;
1497 :
1498 : // failing exhaustive check is fatal
1499 0 : default:
1500 0 : __builtin_unreachable();
1501 1380 : }
1502 :
1503 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L890
1504 489 : return set_vote_account_state( vote_acct_idx, vote_account, vote_state, ctx );
1505 1380 : }
1506 :
1507 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L894
1508 : static int
1509 : update_validator_identity( ulong vote_acct_idx,
1510 : fd_borrowed_account_t * vote_account,
1511 : fd_pubkey_t const * node_pubkey,
1512 : fd_pubkey_t const * signers[static FD_TXN_SIG_MAX],
1513 1323 : fd_exec_instr_ctx_t const * ctx /* feature_set */ ) {
1514 1323 : int rc;
1515 :
1516 1323 : fd_valloc_t scratch_valloc = fd_scratch_virtual();
1517 :
1518 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L900
1519 1323 : fd_vote_state_versioned_t vote_state_versioned;
1520 1323 : rc = get_state( vote_account, scratch_valloc, &vote_state_versioned );
1521 1323 : if( FD_UNLIKELY( rc ) ) return rc;
1522 777 : convert_to_current( &vote_state_versioned, scratch_valloc );
1523 777 : fd_vote_state_t * vote_state = &vote_state_versioned.inner.current;
1524 :
1525 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L905
1526 777 : rc = verify_authorized_signer( &vote_state->authorized_withdrawer, signers );
1527 777 : if( FD_UNLIKELY( rc ) ) return rc;
1528 :
1529 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L908
1530 393 : rc = verify_authorized_signer( node_pubkey, signers );
1531 393 : if( FD_UNLIKELY( rc ) ) return rc;
1532 :
1533 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L910
1534 327 : vote_state->node_pubkey = *node_pubkey;
1535 :
1536 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L912
1537 327 : return set_vote_account_state( vote_acct_idx, vote_account, vote_state, ctx );
1538 393 : }
1539 :
1540 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L971
1541 : static int
1542 459 : is_commission_update_allowed( ulong slot, fd_epoch_schedule_t const * epoch_schedule ) {
1543 459 : if( FD_LIKELY( epoch_schedule->slots_per_epoch > 0UL ) ) {
1544 459 : ulong relative_slot = fd_ulong_sat_sub( slot, epoch_schedule->first_normal_slot );
1545 : // TODO underflow and overflow edge cases in addition to div by 0
1546 459 : relative_slot %= epoch_schedule->slots_per_epoch;
1547 459 : return fd_ulong_sat_mul( relative_slot, 2 ) <= epoch_schedule->slots_per_epoch;
1548 459 : } else {
1549 0 : return 1;
1550 0 : }
1551 459 : }
1552 :
1553 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L916
1554 : static int
1555 : update_commission( ulong vote_acct_idx,
1556 : fd_borrowed_account_t * vote_account,
1557 : uchar commission,
1558 : fd_pubkey_t const * signers[static FD_TXN_SIG_MAX],
1559 : fd_epoch_schedule_t const * epoch_schedule,
1560 : fd_sol_sysvar_clock_t const * clock,
1561 1404 : fd_exec_instr_ctx_t const * ctx /* feature_set */ ) {
1562 1404 : int rc;
1563 :
1564 1404 : fd_valloc_t scratch_valloc = fd_scratch_virtual();
1565 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L925
1566 1404 : fd_vote_state_versioned_t vote_state_versioned;
1567 1404 : fd_vote_state_t * vote_state = NULL;
1568 :
1569 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L927
1570 1404 : int enforce_commission_update_rule = 1;
1571 1404 : if (FD_FEATURE_ACTIVE( ctx->slot_ctx, allow_commission_decrease_at_any_time )) {
1572 648 : rc = get_state( vote_account, scratch_valloc, &vote_state_versioned );
1573 648 : if ( FD_LIKELY( rc==FD_EXECUTOR_INSTR_SUCCESS ) ) {
1574 54 : convert_to_current( &vote_state_versioned, scratch_valloc );
1575 54 : vote_state = &vote_state_versioned.inner.current;
1576 54 : enforce_commission_update_rule = commission > vote_state->commission;
1577 54 : }
1578 648 : }
1579 :
1580 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L940
1581 1404 : if( FD_LIKELY( enforce_commission_update_rule && FD_FEATURE_ACTIVE( ctx->slot_ctx,
1582 1404 : commission_updates_only_allowed_in_first_half_of_epoch ) ) ) {
1583 459 : if( FD_UNLIKELY( !is_commission_update_allowed( clock->slot, epoch_schedule ) ) ) {
1584 120 : ctx->txn_ctx->custom_err = FD_VOTE_ERR_COMMISSION_UPDATE_TOO_LATE;
1585 120 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1586 120 : }
1587 459 : }
1588 :
1589 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L949
1590 1284 : if (NULL == vote_state) {
1591 1236 : rc = get_state( vote_account, scratch_valloc, &vote_state_versioned );
1592 1236 : if( FD_UNLIKELY( rc ) ) return rc;
1593 417 : convert_to_current( &vote_state_versioned, scratch_valloc );
1594 417 : vote_state = &vote_state_versioned.inner.current;
1595 417 : }
1596 :
1597 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L957
1598 465 : rc = verify_authorized_signer( &vote_state->authorized_withdrawer, signers );
1599 465 : if( FD_UNLIKELY( rc ) ) return rc;
1600 :
1601 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L959
1602 219 : vote_state->commission = commission;
1603 :
1604 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L961
1605 219 : return set_vote_account_state( vote_acct_idx, vote_account, vote_state, ctx );
1606 465 : }
1607 :
1608 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L997
1609 : static int
1610 : withdraw(
1611 : /* transaction_context */
1612 : fd_exec_instr_ctx_t const * ctx,
1613 : ulong vote_acct_idx,
1614 : fd_borrowed_account_t * vote_account,
1615 : ulong lamports,
1616 : ulong to_account_index,
1617 : fd_pubkey_t const * signers[static FD_TXN_SIG_MAX],
1618 : fd_rent_t const * rent_sysvar,
1619 : fd_sol_sysvar_clock_t const * clock
1620 : /* feature_set */
1621 903 : ) {
1622 903 : int rc;
1623 :
1624 903 : fd_valloc_t scratch_valloc = fd_scratch_virtual();
1625 :
1626 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1010
1627 903 : fd_vote_state_versioned_t vote_state_versioned;
1628 903 : rc = get_state( vote_account, scratch_valloc, &vote_state_versioned );
1629 903 : if( FD_UNLIKELY( rc ) ) return rc;
1630 540 : convert_to_current( &vote_state_versioned, scratch_valloc );
1631 540 : fd_vote_state_t * vote_state = &vote_state_versioned.inner.current;
1632 :
1633 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1014
1634 540 : rc = verify_authorized_signer( &vote_state->authorized_withdrawer, signers );
1635 540 : if( FD_UNLIKELY( rc ) ) return rc;
1636 :
1637 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1016
1638 156 : if( FD_UNLIKELY( lamports > vote_account->const_meta->info.lamports ) )
1639 18 : return FD_EXECUTOR_INSTR_ERR_INSUFFICIENT_FUNDS;
1640 138 : ulong remaining_balance = vote_account->const_meta->info.lamports - lamports;
1641 :
1642 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1021
1643 138 : if( FD_UNLIKELY( remaining_balance == 0 ) ) {
1644 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1014
1645 84 : int reject_active_vote_account_close = 0;
1646 :
1647 84 : ulong last_epoch_with_credits;
1648 84 : if( FD_LIKELY( !deq_fd_vote_epoch_credits_t_empty( vote_state->epoch_credits ) ) ) {
1649 60 : last_epoch_with_credits =
1650 60 : deq_fd_vote_epoch_credits_t_peek_tail_const( vote_state->epoch_credits )->epoch;
1651 60 : ulong current_epoch = clock->epoch;
1652 60 : reject_active_vote_account_close =
1653 60 : fd_ulong_sat_sub( current_epoch, last_epoch_with_credits ) < 2;
1654 60 : }
1655 :
1656 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1034
1657 84 : if( FD_UNLIKELY( reject_active_vote_account_close ) ) {
1658 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1036
1659 18 : ctx->txn_ctx->custom_err = FD_VOTE_ERR_ACTIVE_VOTE_ACCOUNT_CLOSE;
1660 18 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1661 66 : } else {
1662 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1040
1663 66 : fd_vote_state_versioned_t vote_state_versions;
1664 66 : fd_vote_state_versioned_new_disc( &vote_state_versions,
1665 66 : fd_vote_state_versioned_enum_current );
1666 66 : vote_state_versions.inner.current.prior_voters.idx = 31;
1667 66 : vote_state_versions.inner.current.prior_voters.is_empty = 1;
1668 66 : fd_vote_state_t * default_vote_state = &vote_state_versions.inner.current;
1669 66 : rc = 0;
1670 66 : rc = set_vote_account_state( vote_acct_idx, vote_account, default_vote_state, ctx );
1671 66 : if( FD_UNLIKELY( rc != 0 ) ) return rc;
1672 66 : }
1673 84 : } else {
1674 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1043
1675 54 : ulong min_rent_exempt_balance =
1676 54 : fd_rent_exempt_minimum_balance( rent_sysvar, vote_account->const_meta->dlen );
1677 54 : if( remaining_balance < min_rent_exempt_balance ) {
1678 9 : return FD_EXECUTOR_INSTR_ERR_INSUFFICIENT_FUNDS;
1679 9 : }
1680 54 : }
1681 :
1682 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1049
1683 90 : rc = fd_account_checked_sub_lamports(ctx, vote_acct_idx, lamports);
1684 90 : if( FD_UNLIKELY( rc ) ) return rc;
1685 :
1686 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1053
1687 75 : rc = fd_account_checked_add_lamports(ctx, to_account_index, lamports);
1688 75 : if( FD_UNLIKELY( rc ) ) return rc;
1689 :
1690 27 : return 0;
1691 75 : }
1692 :
1693 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L760
1694 : static int
1695 : process_vote_unfiltered( fd_vote_state_t * vote_state,
1696 : ulong * vote_slots,
1697 : fd_vote_t const * vote,
1698 : fd_slot_hashes_t const * slot_hashes,
1699 : ulong epoch,
1700 : ulong current_slot,
1701 : int timely_vote_credits,
1702 : int deprecate_unused_legacy_vote_plumbing,
1703 396 : fd_exec_instr_ctx_t const * ctx ) {
1704 396 : int rc;
1705 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L770
1706 396 : rc = check_slots_are_valid( vote_state, vote_slots, &vote->hash, slot_hashes, ctx );
1707 396 : if( FD_UNLIKELY( rc ) ) return rc;
1708 9 : for( deq_ulong_iter_t iter = deq_ulong_iter_init( vote_slots );
1709 33 : !deq_ulong_iter_done( vote_slots, iter );
1710 24 : iter = deq_ulong_iter_next( vote_slots, iter ) ) {
1711 24 : ulong * ele = deq_ulong_iter_ele( vote_slots, iter );
1712 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L772
1713 24 : process_next_vote_slot( vote_state, *ele, epoch, current_slot, timely_vote_credits, deprecate_unused_legacy_vote_plumbing);
1714 24 : }
1715 9 : return 0;
1716 396 : }
1717 :
1718 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L783
1719 : static int
1720 : process_vote( fd_vote_state_t * vote_state,
1721 : fd_vote_t const * vote,
1722 : fd_slot_hashes_t const * slot_hashes,
1723 : ulong epoch,
1724 : ulong current_slot,
1725 : int timely_vote_credits,
1726 : int deprecate_unused_legacy_vote_plumbing,
1727 465 : fd_exec_instr_ctx_t const * ctx ) {
1728 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L792
1729 465 : if( FD_UNLIKELY( deq_ulong_empty( vote->slots ) ) ) {
1730 9 : ctx->txn_ctx->custom_err = FD_VOTE_ERR_EMPTY_SLOTS;
1731 9 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1732 9 : }
1733 :
1734 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L795
1735 456 : ulong earliest_slot_in_history = 0;
1736 456 : if( FD_UNLIKELY( !deq_fd_slot_hash_t_empty( slot_hashes->hashes ) ) ) {
1737 444 : earliest_slot_in_history = deq_fd_slot_hash_t_peek_tail_const( slot_hashes->hashes )->slot;
1738 444 : }
1739 :
1740 456 : ulong vote_slots_cnt = deq_ulong_cnt( vote->slots );
1741 456 : uchar * vote_slots_mem = fd_scratch_alloc( deq_ulong_align(), deq_ulong_footprint( vote_slots_cnt ) );
1742 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L796
1743 456 : ulong * vote_slots = deq_ulong_join( deq_ulong_new( vote_slots_mem, vote_slots_cnt ) );
1744 456 : for( deq_ulong_iter_t iter = deq_ulong_iter_init( vote->slots );
1745 7872 : !deq_ulong_iter_done( vote->slots, iter );
1746 7416 : iter = deq_ulong_iter_next( vote->slots, iter ) ) {
1747 7416 : ulong * ele = deq_ulong_iter_ele( vote->slots, iter );
1748 7416 : if( FD_UNLIKELY( *ele >= earliest_slot_in_history ) ) {
1749 6027 : vote_slots = deq_ulong_push_tail( vote_slots, *ele );
1750 6027 : }
1751 7416 : }
1752 :
1753 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L802
1754 456 : if( FD_UNLIKELY( deq_ulong_cnt( vote_slots ) == 0 ) ) {
1755 60 : ctx->txn_ctx->custom_err = FD_VOTE_ERR_VOTES_TOO_OLD_ALL_FILTERED;
1756 60 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1757 60 : }
1758 :
1759 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L805
1760 396 : return process_vote_unfiltered(
1761 396 : vote_state, vote_slots, vote, slot_hashes, epoch, current_slot,
1762 396 : timely_vote_credits, deprecate_unused_legacy_vote_plumbing, ctx );
1763 456 : }
1764 :
1765 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1060
1766 : static int
1767 : initialize_account( ulong vote_acct_idx,
1768 : fd_borrowed_account_t * vote_account,
1769 : fd_vote_init_t * vote_init,
1770 : fd_pubkey_t const * signers[static FD_TXN_SIG_MAX],
1771 : fd_sol_sysvar_clock_t const * clock,
1772 225 : fd_exec_instr_ctx_t const * ctx /* feature_set */ ) {
1773 225 : int rc;
1774 :
1775 225 : fd_valloc_t scratch_valloc = fd_scratch_virtual();
1776 :
1777 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1067
1778 225 : ulong data_len = vote_account->const_meta->dlen;
1779 225 : if( FD_UNLIKELY( data_len != size_of_versioned( FD_FEATURE_ACTIVE(
1780 225 : ctx->slot_ctx, vote_state_add_vote_latency ) ) ) ) {
1781 216 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
1782 216 : }
1783 :
1784 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1074
1785 9 : fd_vote_state_versioned_t versioned;
1786 9 : rc = get_state( vote_account, scratch_valloc, &versioned );
1787 9 : if( FD_UNLIKELY( rc ) ) return rc;
1788 :
1789 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1076
1790 9 : if( FD_UNLIKELY( !is_uninitialized( &versioned ) ) )
1791 0 : return FD_EXECUTOR_INSTR_ERR_ACC_ALREADY_INITIALIZED;
1792 :
1793 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1081
1794 9 : rc = verify_authorized_signer( &vote_init->node_pubkey, signers );
1795 9 : if( FD_UNLIKELY( rc ) ) return rc;
1796 :
1797 : // reset the object
1798 9 : fd_vote_state_versioned_new( &versioned );
1799 :
1800 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1083
1801 9 : vote_state_new( vote_init, clock, scratch_valloc, &versioned.inner.current );
1802 9 : return set_vote_account_state( vote_acct_idx, vote_account, &versioned.inner.current, ctx );
1803 9 : }
1804 :
1805 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1086
1806 : static int
1807 : verify_and_get_vote_state( fd_borrowed_account_t * vote_account,
1808 : fd_sol_sysvar_clock_t const * clock,
1809 : fd_pubkey_t const * signers[FD_TXN_SIG_MAX],
1810 2997 : fd_vote_state_t * vote_state /* out */ ) {
1811 2997 : int rc;
1812 2997 : fd_vote_state_versioned_t versioned;
1813 :
1814 2997 : fd_valloc_t scratch_valloc = fd_scratch_virtual();
1815 :
1816 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1091
1817 2997 : rc = get_state( vote_account, scratch_valloc, &versioned );
1818 2997 : if( FD_UNLIKELY( rc ) ) return rc;
1819 :
1820 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1093
1821 2592 : if( FD_UNLIKELY( is_uninitialized( &versioned ) ) )
1822 75 : return FD_EXECUTOR_INSTR_ERR_UNINITIALIZED_ACCOUNT;
1823 :
1824 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1097
1825 2517 : convert_to_current( &versioned, scratch_valloc );
1826 2517 : memcpy( vote_state, &versioned.inner.current, sizeof( fd_vote_state_t ) );
1827 :
1828 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1098
1829 2517 : fd_pubkey_t * authorized_voter = NULL;
1830 2517 : rc = get_and_update_authorized_voter( vote_state, clock->epoch, &authorized_voter );
1831 2517 : if( FD_UNLIKELY( rc ) ) return rc;
1832 :
1833 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1099
1834 2220 : rc = verify_authorized_signer( authorized_voter, signers );
1835 2220 : if( FD_UNLIKELY( rc ) ) return rc;
1836 :
1837 972 : return FD_EXECUTOR_INSTR_SUCCESS;
1838 2220 : }
1839 :
1840 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1104
1841 : static int
1842 : process_vote_with_account( ulong vote_acct_idx,
1843 : fd_borrowed_account_t * vote_account,
1844 : fd_slot_hashes_t const * slot_hashes,
1845 : fd_sol_sysvar_clock_t const * clock,
1846 : fd_vote_t * vote,
1847 : fd_pubkey_t const * signers[static FD_TXN_SIG_MAX],
1848 1161 : fd_exec_instr_ctx_t const * ctx ) {
1849 :
1850 1161 : int rc;
1851 1161 : fd_vote_state_t vote_state;
1852 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1112
1853 1161 : rc = verify_and_get_vote_state( vote_account, clock, signers, &vote_state );
1854 1161 : if( FD_UNLIKELY( rc ) ) return rc;
1855 :
1856 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1114
1857 465 : int timely_vote_credits = FD_FEATURE_ACTIVE( ctx->slot_ctx, timely_vote_credits );
1858 465 : int deprecate_unused_legacy_vote_plumbing = FD_FEATURE_ACTIVE( ctx->slot_ctx, deprecate_unused_legacy_vote_plumbing );
1859 :
1860 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1117
1861 465 : rc = process_vote( &vote_state, vote, slot_hashes, clock->epoch, clock->slot, timely_vote_credits, deprecate_unused_legacy_vote_plumbing, ctx );
1862 465 : if( FD_UNLIKELY( rc ) ) return rc;
1863 :
1864 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1126
1865 9 : if( FD_LIKELY( vote->timestamp ) ) {
1866 3 : if( FD_UNLIKELY( deq_ulong_cnt( vote->slots ) == 0 ) ) {
1867 0 : ctx->txn_ctx->custom_err = FD_VOTE_ERR_EMPTY_SLOTS;
1868 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1869 0 : }
1870 :
1871 3 : ulong * max = deq_ulong_peek_head( vote->slots ) ? deq_ulong_peek_head( vote->slots ) : NULL;
1872 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1127
1873 3 : for( deq_ulong_iter_t iter = deq_ulong_iter_init( vote->slots );
1874 21 : !deq_ulong_iter_done( vote->slots, iter );
1875 18 : iter = deq_ulong_iter_next( vote->slots, iter ) ) {
1876 18 : ulong * ele = deq_ulong_iter_ele( vote->slots, iter );
1877 18 : *max = fd_ulong_max( *max, *ele );
1878 18 : }
1879 3 : if( FD_UNLIKELY( !max ) ) {
1880 0 : ctx->txn_ctx->custom_err = FD_VOTE_ERR_EMPTY_SLOTS;
1881 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
1882 0 : }
1883 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1131
1884 3 : rc = process_timestamp( &vote_state, *max, *vote->timestamp, ctx );
1885 3 : if( FD_UNLIKELY( rc ) ) return rc;
1886 3 : }
1887 :
1888 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1133
1889 9 : return set_vote_account_state( vote_acct_idx, vote_account, &vote_state, ctx );
1890 9 : }
1891 :
1892 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1156
1893 : static int
1894 : do_process_vote_state_update( fd_vote_state_t * vote_state,
1895 : fd_slot_hashes_t const * slot_hashes,
1896 : ulong epoch,
1897 : ulong slot,
1898 : fd_vote_state_update_t * vote_state_update,
1899 498 : fd_exec_instr_ctx_t const * ctx /* feature_set */ ) {
1900 498 : int rc;
1901 :
1902 498 : fd_valloc_t scratch_valloc = fd_scratch_virtual();
1903 :
1904 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1164
1905 498 : rc = check_and_filter_proposed_vote_state(
1906 498 : vote_state,
1907 498 : vote_state_update->lockouts, &vote_state_update->has_root, &vote_state_update->root, &vote_state_update->hash,
1908 498 : slot_hashes, ctx );
1909 498 : if( FD_UNLIKELY( rc ) ) return rc;
1910 :
1911 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1177
1912 54 : fd_landed_vote_t * landed_votes = deq_fd_landed_vote_t_alloc( scratch_valloc, deq_fd_vote_lockout_t_cnt( vote_state_update->lockouts ) );
1913 54 : for( deq_fd_vote_lockout_t_iter_t iter =
1914 54 : deq_fd_vote_lockout_t_iter_init( vote_state_update->lockouts );
1915 828 : !deq_fd_vote_lockout_t_iter_done( vote_state_update->lockouts, iter );
1916 774 : iter = deq_fd_vote_lockout_t_iter_next( vote_state_update->lockouts, iter ) ) {
1917 774 : fd_vote_lockout_t * lockout =
1918 774 : deq_fd_vote_lockout_t_iter_ele( vote_state_update->lockouts, iter );
1919 774 : deq_fd_landed_vote_t_push_tail( landed_votes,
1920 774 : ( fd_landed_vote_t ){ .latency = 0, .lockout = *lockout } );
1921 774 : }
1922 :
1923 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1171
1924 54 : return process_new_vote_state( vote_state,
1925 54 : landed_votes,
1926 54 : vote_state_update->has_root,
1927 54 : vote_state_update->root,
1928 54 : vote_state_update->has_timestamp,
1929 54 : vote_state_update->timestamp,
1930 54 : epoch,
1931 54 : slot,
1932 54 : ctx );
1933 498 : }
1934 :
1935 : // ??
1936 : static ulong
1937 0 : query_pubkey_stake( fd_pubkey_t const * pubkey, fd_vote_accounts_t const * vote_accounts ) {
1938 0 : fd_vote_accounts_pair_t_mapnode_t key = { 0 };
1939 0 : key.elem.key = *pubkey;
1940 0 : fd_vote_accounts_pair_t_mapnode_t * vote_node = fd_vote_accounts_pair_t_map_find(
1941 0 : vote_accounts->vote_accounts_pool, vote_accounts->vote_accounts_root, &key );
1942 0 : return vote_node ? vote_node->elem.stake : 0;
1943 0 : }
1944 :
1945 : static int
1946 : process_vote_state_update( ulong vote_acct_idx,
1947 : fd_borrowed_account_t * vote_account,
1948 : fd_slot_hashes_t const * slot_hashes,
1949 : fd_sol_sysvar_clock_t const * clock,
1950 : fd_vote_state_update_t * vote_state_update,
1951 : fd_pubkey_t const * signers[static FD_TXN_SIG_MAX],
1952 1809 : fd_exec_instr_ctx_t const * ctx /* feature_set */ ) {
1953 1809 : int rc;
1954 :
1955 : // tie in code for fd_bank_hash_cmp that helps us detect if we have forked from the cluster.
1956 : //
1957 : // There is no corresponding code in anza
1958 1809 : if( !deq_fd_vote_lockout_t_empty( vote_state_update->lockouts ) ) {
1959 1680 : fd_vote_lockout_t * lockout = deq_fd_vote_lockout_t_peek_tail( vote_state_update->lockouts );
1960 1680 : fd_bank_hash_cmp_t * bank_hash_cmp = ctx->slot_ctx->epoch_ctx->bank_hash_cmp;
1961 1680 : if( FD_LIKELY( lockout && bank_hash_cmp ) ) {
1962 0 : fd_bank_hash_cmp_lock( bank_hash_cmp );
1963 0 : fd_bank_hash_cmp_insert(
1964 0 : bank_hash_cmp,
1965 0 : lockout->slot,
1966 0 : &vote_state_update->hash,
1967 0 : 0,
1968 0 : query_pubkey_stake( vote_account->pubkey,
1969 0 : &ctx->epoch_ctx->epoch_bank.stakes.vote_accounts ) );
1970 :
1971 0 : if( FD_LIKELY( vote_state_update->has_root ) ) {
1972 0 : fd_bank_hash_cmp_entry_t * cmp =
1973 0 : fd_bank_hash_cmp_map_query( bank_hash_cmp->map, vote_state_update->root, NULL );
1974 0 : if( FD_LIKELY( cmp ) ) cmp->rooted = 1;
1975 0 : }
1976 :
1977 0 : fd_bank_hash_cmp_unlock( bank_hash_cmp );
1978 0 : }
1979 1680 : }
1980 :
1981 1809 : fd_vote_state_t vote_state;
1982 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1144
1983 1809 : rc = verify_and_get_vote_state( vote_account, clock, signers, &vote_state );
1984 1809 : if( FD_UNLIKELY( rc ) ) return rc;
1985 :
1986 :
1987 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1145
1988 498 : rc = do_process_vote_state_update(
1989 498 : &vote_state, slot_hashes, clock->epoch, clock->slot, vote_state_update, ctx );
1990 498 : if( FD_UNLIKELY( rc ) ) {
1991 459 : return rc;
1992 459 : }
1993 :
1994 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1153
1995 39 : rc = set_vote_account_state( vote_acct_idx, vote_account, &vote_state, ctx );
1996 :
1997 39 : return rc;
1998 498 : }
1999 :
2000 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1206
2001 : static int
2002 : do_process_tower_sync( fd_vote_state_t * vote_state,
2003 : fd_slot_hashes_t const * slot_hashes,
2004 : ulong epoch,
2005 : ulong slot,
2006 : fd_tower_sync_t * tower_sync,
2007 9 : fd_exec_instr_ctx_t const * ctx /* feature_set */ ) {
2008 :
2009 9 : do {
2010 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1214
2011 9 : int err = check_and_filter_proposed_vote_state(
2012 9 : vote_state,
2013 9 : tower_sync->lockouts, &tower_sync->has_root, &tower_sync->root, &tower_sync->hash,
2014 9 : slot_hashes, ctx );
2015 9 : if( FD_UNLIKELY( err ) ) return err;
2016 9 : } while(0);
2017 :
2018 3 : fd_scratch_push();
2019 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1221
2020 3 : int err = process_new_vote_state(
2021 3 : vote_state,
2022 3 : landed_votes_from_lockouts( tower_sync->lockouts, fd_scratch_virtual() ),
2023 3 : tower_sync->has_root,
2024 3 : tower_sync->root,
2025 3 : tower_sync->has_timestamp,
2026 3 : tower_sync->timestamp,
2027 3 : epoch,
2028 3 : slot,
2029 3 : ctx );
2030 3 : fd_scratch_pop();
2031 :
2032 3 : return err;
2033 9 : }
2034 :
2035 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1186
2036 : static int
2037 : process_tower_sync( ulong vote_acct_idx,
2038 : fd_borrowed_account_t * vote_account,
2039 : fd_slot_hashes_t const * slot_hashes,
2040 : fd_sol_sysvar_clock_t const * clock,
2041 : fd_tower_sync_t * tower_sync,
2042 : fd_pubkey_t const * signers[static FD_TXN_SIG_MAX],
2043 27 : fd_exec_instr_ctx_t const * ctx /* feature_set */ ) {
2044 :
2045 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1194
2046 27 : fd_vote_state_t vote_state;
2047 27 : do {
2048 27 : int err = verify_and_get_vote_state( vote_account, clock, signers, &vote_state );
2049 27 : if( FD_UNLIKELY( err ) ) return err;
2050 27 : } while(0);
2051 :
2052 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1195
2053 9 : do {
2054 9 : int err = do_process_tower_sync( &vote_state, slot_hashes, clock->epoch, clock->slot, tower_sync, ctx );
2055 9 : if( FD_UNLIKELY( err ) ) return err;
2056 9 : } while(0);
2057 :
2058 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_state/mod.rs#L1203
2059 0 : return set_vote_account_state( vote_acct_idx, vote_account, &vote_state, ctx );
2060 9 : }
2061 :
2062 : /**********************************************************************/
2063 : /* FD-only encoders / decoders (doesn't map directly to Labs impl) */
2064 : /**********************************************************************/
2065 :
2066 : int
2067 : fd_vote_decode_compact_update( fd_compact_vote_state_update_t * compact_update,
2068 402 : fd_vote_state_update_t * vote_update ) {
2069 : // Taken from:
2070 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L954
2071 402 : if( compact_update->root != ULONG_MAX ) {
2072 225 : vote_update->has_root = 1;
2073 225 : vote_update->root = compact_update->root;
2074 225 : } else {
2075 177 : vote_update->has_root = 0;
2076 177 : vote_update->root = ULONG_MAX;
2077 177 : }
2078 :
2079 402 : fd_valloc_t valloc = fd_scratch_virtual();
2080 :
2081 402 : ulong lockouts_len = compact_update->lockouts_len;
2082 402 : ulong lockouts_max = fd_ulong_max( lockouts_len, MAX_LOCKOUT_HISTORY );
2083 :
2084 402 : vote_update->lockouts = deq_fd_vote_lockout_t_alloc( valloc, lockouts_max );
2085 402 : ulong slot = fd_ulong_if( vote_update->has_root, vote_update->root, 0 );
2086 :
2087 4752 : for( ulong i=0; i < lockouts_len; ++i ) {
2088 4392 : fd_vote_lockout_t * elem = deq_fd_vote_lockout_t_push_tail_nocopy( vote_update->lockouts );
2089 4392 : fd_vote_lockout_new( elem );
2090 :
2091 4392 : fd_lockout_offset_t * lock_offset = &compact_update->lockouts[i];
2092 :
2093 4392 : ulong next_slot;
2094 4392 : if( FD_UNLIKELY( __builtin_uaddl_overflow( slot, lock_offset->offset, &next_slot ) ) )
2095 42 : return 0;
2096 :
2097 4350 : elem->slot = slot = next_slot;
2098 4350 : elem->confirmation_count = (uint)lock_offset->confirmation_count;
2099 4350 : }
2100 :
2101 360 : vote_update->hash = compact_update->hash;
2102 360 : vote_update->has_timestamp = compact_update->has_timestamp;
2103 360 : vote_update->timestamp = compact_update->timestamp;
2104 :
2105 360 : return 1;
2106 402 : }
2107 :
2108 : void
2109 : fd_vote_record_timestamp_vote( fd_exec_slot_ctx_t * slot_ctx,
2110 : fd_pubkey_t const * vote_acc,
2111 0 : long timestamp ) {
2112 0 : fd_vote_record_timestamp_vote_with_slot(
2113 0 : slot_ctx, vote_acc, timestamp, slot_ctx->slot_bank.slot );
2114 0 : }
2115 :
2116 : void
2117 : fd_vote_record_timestamp_vote_with_slot( fd_exec_slot_ctx_t * slot_ctx,
2118 : fd_pubkey_t const * vote_acc,
2119 : long timestamp,
2120 0 : ulong slot ) {
2121 0 : fd_clock_timestamp_vote_t_mapnode_t * root = slot_ctx->slot_bank.timestamp_votes.votes_root;
2122 0 : fd_clock_timestamp_vote_t_mapnode_t * pool = slot_ctx->slot_bank.timestamp_votes.votes_pool;
2123 0 : if( NULL == pool )
2124 0 : pool = slot_ctx->slot_bank.timestamp_votes.votes_pool =
2125 0 : fd_clock_timestamp_vote_t_map_alloc( slot_ctx->valloc, 15000 );
2126 :
2127 0 : fd_clock_timestamp_vote_t timestamp_vote = {
2128 0 : .pubkey = *vote_acc,
2129 0 : .timestamp = (long)timestamp,
2130 0 : .slot = slot,
2131 0 : };
2132 0 : fd_clock_timestamp_vote_t_mapnode_t key = { .elem = timestamp_vote };
2133 0 : fd_clock_timestamp_vote_t_mapnode_t * node =
2134 0 : fd_clock_timestamp_vote_t_map_find( pool, root, &key );
2135 0 : if( NULL != node ) {
2136 0 : node->elem = timestamp_vote;
2137 0 : } else {
2138 0 : node = fd_clock_timestamp_vote_t_map_acquire( pool );
2139 0 : FD_TEST( node != NULL );
2140 0 : node->elem = timestamp_vote;
2141 0 : fd_clock_timestamp_vote_t_map_insert( pool, &root, node );
2142 0 : slot_ctx->slot_bank.timestamp_votes.votes_root = root;
2143 0 : }
2144 0 : }
2145 :
2146 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L751
2147 : int
2148 : fd_vote_acc_credits( fd_exec_instr_ctx_t const * ctx,
2149 : fd_account_meta_t const * vote_acc_meta,
2150 : uchar const * vote_acc_data,
2151 0 : ulong * result ) {
2152 0 : int rc;
2153 :
2154 0 : fd_valloc_t scratch_valloc = fd_scratch_virtual();
2155 :
2156 0 : fd_sol_sysvar_clock_t const * clock = fd_sysvar_cache_clock( ctx->slot_ctx->sysvar_cache );
2157 0 : if( FD_UNLIKELY( !clock ) ) return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
2158 :
2159 : /* Read vote account */
2160 0 : fd_borrowed_account_t vote_account = {
2161 : // FIXME call sites
2162 0 : .const_meta = vote_acc_meta,
2163 0 : .const_data = vote_acc_data,
2164 0 : };
2165 :
2166 0 : rc = 0;
2167 0 : fd_vote_state_versioned_t vote_state_versioned;
2168 0 : rc = get_state( &vote_account, scratch_valloc, &vote_state_versioned );
2169 0 : if( FD_UNLIKELY( rc ) ) return rc;
2170 0 : convert_to_current( &vote_state_versioned, scratch_valloc );
2171 0 : fd_vote_state_t * state = &vote_state_versioned.inner.current;
2172 0 : if( deq_fd_vote_epoch_credits_t_empty( state->epoch_credits ) ) {
2173 0 : *result = 0;
2174 0 : } else {
2175 0 : *result = deq_fd_vote_epoch_credits_t_peek_tail_const( state->epoch_credits )->credits;
2176 0 : }
2177 :
2178 0 : return FD_EXECUTOR_INSTR_SUCCESS;
2179 0 : }
2180 :
2181 : /// returns commission split as (voter_portion, staker_portion, was_split) tuple
2182 : ///
2183 : /// if commission calculation is 100% one way or other, indicate with false for was_split
2184 :
2185 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L543
2186 : void
2187 : fd_vote_commission_split( fd_vote_state_versioned_t * vote_state_versioned,
2188 : ulong on,
2189 0 : fd_commission_split_t * result ) {
2190 0 : uchar * commission = NULL;
2191 0 : switch( vote_state_versioned->discriminant ) {
2192 0 : case fd_vote_state_versioned_enum_current:
2193 0 : commission = &vote_state_versioned->inner.current.commission;
2194 0 : break;
2195 0 : case fd_vote_state_versioned_enum_v0_23_5:
2196 0 : commission = &vote_state_versioned->inner.v0_23_5.commission;
2197 0 : break;
2198 0 : case fd_vote_state_versioned_enum_v1_14_11:
2199 0 : commission = &vote_state_versioned->inner.v1_14_11.commission;
2200 0 : break;
2201 0 : default:
2202 0 : __builtin_unreachable();
2203 0 : }
2204 0 : uchar deref_commision = *commission;
2205 0 : uint commission_split = fd_uint_min( (uint)deref_commision, 100 );
2206 0 : result->is_split = ( commission_split != 0 && commission_split != 100 );
2207 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L545
2208 0 : if( commission_split == 0 ) {
2209 0 : result->voter_portion = 0;
2210 0 : result->staker_portion = on;
2211 0 : return;
2212 0 : }
2213 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L546
2214 0 : if( commission_split == 100 ) {
2215 0 : result->voter_portion = on;
2216 0 : result->staker_portion = 0;
2217 0 : return;
2218 0 : }
2219 : /* Note: order of operations may matter for int division. That's why I didn't make the
2220 : * optimization of getting out the common calculations */
2221 :
2222 : // ... This is copied from the solana comments...
2223 : //
2224 : // Calculate mine and theirs independently and symmetrically instead
2225 : // of using the remainder of the other to treat them strictly
2226 : // equally. This is also to cancel the rewarding if either of the
2227 : // parties should receive only fractional lamports, resulting in not
2228 : // being rewarded at all. Thus, note that we intentionally discard
2229 : // any residual fractional lamports.
2230 :
2231 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L548
2232 0 : result->voter_portion =
2233 0 : (ulong)( (uint128)on * (uint128)commission_split / (uint128)100 );
2234 0 : result->staker_portion =
2235 0 : (ulong)( (uint128)on * (uint128)( 100 - commission_split ) / (uint128)100 );
2236 0 : }
2237 :
2238 : /**********************************************************************/
2239 : /* mod vote_processor */
2240 : /**********************************************************************/
2241 :
2242 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L21
2243 : static int
2244 : process_authorize_with_seed_instruction(
2245 : /* invoke_context */
2246 : fd_exec_instr_ctx_t const * ctx,
2247 : /* transaction_context */
2248 : ulong vote_acct_idx,
2249 : fd_borrowed_account_t * vote_account,
2250 : fd_pubkey_t const * new_authority,
2251 : fd_vote_authorize_t authorization_type,
2252 : fd_pubkey_t const * current_authority_derived_key_owner,
2253 : uchar const * current_authority_derived_key_seed,
2254 276 : ulong current_authority_derived_key_seed_len ) {
2255 276 : int rc = 0;
2256 :
2257 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L31
2258 276 : fd_sol_sysvar_clock_t const * clock = fd_sysvar_from_instr_acct_clock( ctx, 1, &rc );
2259 276 : if( FD_UNLIKELY( !clock ) ) return rc;
2260 :
2261 246 : fd_pubkey_t * expected_authority_keys[FD_TXN_SIG_MAX] = { 0 };
2262 246 : fd_pubkey_t single_signer = { 0 };
2263 :
2264 246 : if( ctx->instr->acct_cnt < 3 )
2265 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_ACC;
2266 :
2267 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L33
2268 246 : if( fd_instr_acc_is_signer_idx( ctx->instr, 2 ) ) {
2269 :
2270 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L35
2271 180 : fd_pubkey_t const * base_pubkey = &ctx->instr->acct_pubkeys[2];
2272 :
2273 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L37
2274 180 : expected_authority_keys[0] = &single_signer;
2275 180 : rc = fd_pubkey_create_with_seed( ctx,
2276 180 : base_pubkey->uc,
2277 180 : (char const *)current_authority_derived_key_seed,
2278 180 : current_authority_derived_key_seed_len,
2279 180 : current_authority_derived_key_owner->uc,
2280 180 : /* insert */ expected_authority_keys[0]->uc );
2281 180 : if( FD_UNLIKELY( rc ) ) return rc;
2282 180 : }
2283 :
2284 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L43
2285 234 : return authorize( vote_acct_idx,
2286 234 : vote_account,
2287 234 : new_authority,
2288 234 : authorization_type,
2289 234 : (fd_pubkey_t const **)expected_authority_keys,
2290 234 : clock,
2291 234 : ctx );
2292 246 : }
2293 :
2294 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/vote_state_versions.rs#L90
2295 0 : uint vote_state_versions_is_correct_and_initialized( fd_borrowed_account_t * vote_account ) {
2296 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/mod.rs#L885
2297 0 : uint data_len_check = vote_account->const_meta->dlen == FD_VOTE_STATE_V3_SZ;
2298 0 : uchar test_data[DEFAULT_PRIOR_VOTERS_OFFSET] = {0};
2299 0 : uint data_check = memcmp((
2300 0 : (uchar*)vote_account->const_data + VERSION_OFFSET), test_data, DEFAULT_PRIOR_VOTERS_OFFSET) != 0;
2301 0 : if (data_check && data_len_check) {
2302 0 : return 1;
2303 0 : }
2304 :
2305 : // VoteState1_14_11::is_correct_size_and_initialized
2306 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/state/vote_state_1_14_11.rs#L58
2307 0 : data_len_check = vote_account->const_meta->dlen == FD_VOTE_STATE_V2_SZ;
2308 0 : uchar test_data_1_14_11[DEFAULT_PRIOR_VOTERS_OFFSET_1_14_11] = {0};
2309 0 : data_check = memcmp(
2310 0 : ((uchar*)vote_account->const_data + VERSION_OFFSET), test_data_1_14_11, DEFAULT_PRIOR_VOTERS_OFFSET_1_14_11) != 0;
2311 0 : return data_check && data_len_check;
2312 0 : }
2313 :
2314 : /**********************************************************************/
2315 : /* Entry point for the Vote Program */
2316 : /**********************************************************************/
2317 :
2318 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L57
2319 : int
2320 23931 : fd_vote_program_execute( fd_exec_instr_ctx_t * ctx ) {
2321 : /* FD-specific init */
2322 23931 : int rc = FD_EXECUTOR_INSTR_SUCCESS;
2323 :
2324 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L57
2325 23931 : FD_EXEC_CU_UPDATE( ctx, DEFAULT_COMPUTE_UNITS );
2326 :
2327 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L64
2328 19419 : if( FD_UNLIKELY( ctx->instr->acct_cnt < 1 ) ) {
2329 366 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
2330 366 : }
2331 :
2332 19053 : fd_borrowed_account_t * me = NULL;
2333 19053 : rc = fd_instr_borrowed_account_view_idx( ctx, 0, &me );
2334 :
2335 19053 : switch( rc ) {
2336 19053 : case FD_ACC_MGR_SUCCESS:
2337 19053 : break;
2338 0 : case FD_ACC_MGR_ERR_UNKNOWN_ACCOUNT:
2339 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/src/transaction_context.rs#L637
2340 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_ACC;
2341 0 : default:
2342 : // https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/src/transaction_context.rs#L639
2343 0 : return FD_EXECUTOR_INSTR_ERR_ACC_BORROW_FAILED;
2344 19053 : }
2345 :
2346 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L65
2347 19053 : if( FD_UNLIKELY( 0 != memcmp( &me->const_meta->info.owner,
2348 19053 : fd_solana_vote_program_id.key,
2349 19053 : sizeof( fd_pubkey_t ) ) ) ) {
2350 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L66
2351 5364 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_OWNER;
2352 5364 : }
2353 :
2354 : /* Replicate vote account changes to bank caches after processing the
2355 : transaction's instructions. */
2356 13689 : ctx->txn_ctx->dirty_vote_acc = 1;
2357 :
2358 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L69
2359 13689 : fd_pubkey_t const * signers[FD_TXN_SIG_MAX] = { 0 };
2360 13689 : fd_instr_get_signers( ctx->instr, signers );
2361 :
2362 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L70
2363 13689 : if( FD_UNLIKELY( ctx->instr->data==NULL ) ) {
2364 21 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
2365 21 : }
2366 13668 : fd_vote_instruction_t instruction;
2367 13668 : fd_bincode_decode_ctx_t decode = {
2368 13668 : .data = ctx->instr->data,
2369 13668 : .dataend = ctx->instr->data + ctx->instr->data_sz,
2370 13668 : .valloc = fd_scratch_virtual()
2371 13668 : };
2372 13668 : int decode_result = fd_vote_instruction_decode( &instruction, &decode );
2373 13668 : if( decode_result != FD_BINCODE_SUCCESS ||
2374 13668 : (ulong)ctx->instr->data + 1232UL < (ulong)decode.data )
2375 3822 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
2376 :
2377 : /* PLEASE PRESERVE SWITCH-CASE ORDERING TO MIRROR LABS IMPL:
2378 : */
2379 9846 : switch( instruction.discriminant ) {
2380 :
2381 : /* InitializeAccount
2382 : *
2383 : * Instruction:
2384 : * https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/instruction.rs#L32
2385 : *
2386 : * Processor:
2387 : * https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L71
2388 : */
2389 279 : case fd_vote_instruction_enum_initialize_account: {
2390 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L72
2391 279 : fd_rent_t const * rent = fd_sysvar_from_instr_acct_rent( ctx, 1UL, &rc );
2392 279 : if( FD_UNLIKELY( !rent ) ) return rc;
2393 :
2394 252 : if( FD_UNLIKELY( me->const_meta->info.lamports <
2395 252 : fd_rent_exempt_minimum_balance( rent, me->const_meta->dlen ) ) )
2396 6 : return FD_EXECUTOR_INSTR_ERR_INSUFFICIENT_FUNDS;
2397 :
2398 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L76
2399 246 : fd_sol_sysvar_clock_t const * clock = fd_sysvar_from_instr_acct_clock( ctx, 2, &rc );
2400 246 : if( !clock ) return rc;
2401 :
2402 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L78
2403 225 : rc = initialize_account( 0, me, &instruction.inner.initialize_account, signers, clock, ctx );
2404 :
2405 225 : break;
2406 246 : }
2407 :
2408 : /* Authorize
2409 : *
2410 : * Instruction:
2411 : * https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/instruction.rs#L40
2412 : *
2413 : * Processor:
2414 : * https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L86
2415 : *
2416 : * Notes:
2417 : * - Up to two signers: the vote authority and the authorized withdrawer.
2418 : */
2419 1257 : case fd_vote_instruction_enum_authorize: {
2420 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L87
2421 1257 : fd_sol_sysvar_clock_t const * clock = fd_sysvar_from_instr_acct_clock( ctx, 1, &rc );
2422 1257 : if( !clock ) return rc;
2423 :
2424 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L89
2425 1236 : fd_pubkey_t const * voter_pubkey = &instruction.inner.authorize.pubkey;
2426 1236 : fd_vote_authorize_t vote_authorize = instruction.inner.authorize.vote_authorize;
2427 :
2428 1236 : rc = authorize( 0, me, voter_pubkey, vote_authorize, signers, clock, ctx );
2429 :
2430 1236 : break;
2431 1257 : }
2432 :
2433 : /* AuthorizeWithSeed
2434 : *
2435 : * Instruction:
2436 : * https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/instruction.rs#L117
2437 : *
2438 : * Processor:
2439 : * https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L98
2440 : */
2441 228 : case fd_vote_instruction_enum_authorize_with_seed: {
2442 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L99
2443 228 : if( FD_UNLIKELY( ctx->instr->acct_cnt < 3 ) ) {
2444 9 : rc = FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
2445 9 : break;
2446 9 : }
2447 :
2448 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L100
2449 219 : fd_vote_authorize_with_seed_args_t * args = &instruction.inner.authorize_with_seed;
2450 :
2451 219 : rc = process_authorize_with_seed_instruction( ctx,
2452 219 : 0, me,
2453 219 : &args->new_authority,
2454 219 : args->authorization_type,
2455 219 : &args->current_authority_derived_key_owner,
2456 219 : args->current_authority_derived_key_seed,
2457 219 : args->current_authority_derived_key_seed_len );
2458 :
2459 219 : break;
2460 228 : }
2461 :
2462 : /* AuthorizeCheckedWithSeed
2463 : *
2464 : * Instruction:
2465 : * https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/instruction.rs#L131
2466 : *
2467 : * Processor:
2468 : * https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L111
2469 : */
2470 114 : case fd_vote_instruction_enum_authorize_checked_with_seed: {
2471 114 : fd_vote_authorize_checked_with_seed_args_t const * args =
2472 114 : &instruction.inner.authorize_checked_with_seed;
2473 :
2474 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L112
2475 114 : if( FD_UNLIKELY( ctx->instr->acct_cnt < 4 ) ) {
2476 9 : rc = FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
2477 9 : break;
2478 9 : }
2479 :
2480 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L116
2481 105 : fd_pubkey_t const * new_authority = &ctx->instr->acct_pubkeys[3];
2482 :
2483 105 : if( FD_UNLIKELY( !fd_instr_acc_is_signer_idx( ctx->instr, 3 ) ) ) {
2484 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L117
2485 48 : rc = FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
2486 48 : break;
2487 48 : }
2488 :
2489 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L119
2490 57 : rc = process_authorize_with_seed_instruction( ctx,
2491 57 : 0, me,
2492 57 : new_authority,
2493 57 : args->authorization_type,
2494 57 : &args->current_authority_derived_key_owner,
2495 57 : args->current_authority_derived_key_seed,
2496 57 : args->current_authority_derived_key_seed_len );
2497 :
2498 57 : break;
2499 105 : }
2500 :
2501 : /* UpdateValidatorIdentity
2502 : *
2503 : * Instruction:
2504 : * https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/instruction.rs#L65
2505 : *
2506 : * Processor:
2507 : * https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L130
2508 : */
2509 1326 : case fd_vote_instruction_enum_update_validator_identity: {
2510 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L131
2511 1326 : if( FD_UNLIKELY( ctx->instr->acct_cnt < 2 ) ) {
2512 3 : rc = FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
2513 3 : break;
2514 3 : }
2515 :
2516 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L132
2517 1323 : fd_pubkey_t const * node_pubkey = &ctx->instr->acct_pubkeys[1];
2518 :
2519 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L135
2520 1323 : rc = update_validator_identity( 0, me, node_pubkey, signers, ctx );
2521 :
2522 1323 : break;
2523 1326 : }
2524 :
2525 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L142
2526 1404 : case fd_vote_instruction_enum_update_commission: {
2527 :
2528 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L149
2529 1404 : fd_epoch_schedule_t const * epoch_schedule = fd_sysvar_cache_epoch_schedule( ctx->slot_ctx->sysvar_cache );
2530 1404 : if( FD_UNLIKELY( !epoch_schedule ) )
2531 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
2532 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L150
2533 1404 : fd_sol_sysvar_clock_t const * clock = fd_sysvar_cache_clock( ctx->slot_ctx->sysvar_cache );
2534 1404 : if( FD_UNLIKELY( !clock ) )
2535 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
2536 :
2537 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L145
2538 1404 : rc = update_commission( 0, me, instruction.inner.update_commission, signers, epoch_schedule, clock, ctx );
2539 :
2540 1404 : break;
2541 1404 : }
2542 :
2543 : /* Vote
2544 : *
2545 : * Instruction:
2546 : * https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/instruction.rs#L49
2547 : */
2548 666 : case fd_vote_instruction_enum_vote:;
2549 : /* clang-format off */
2550 666 : __attribute__((fallthrough));
2551 : /* clang-format on */
2552 :
2553 : /* VoteSwitch
2554 : *
2555 : * Instruction:
2556 : * https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/instruction.rs#L81
2557 : *
2558 : * Processor:
2559 : * https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L154
2560 : */
2561 1308 : case fd_vote_instruction_enum_vote_switch: {
2562 1308 : if( FD_FEATURE_ACTIVE( ctx->slot_ctx, deprecate_legacy_vote_ixs ) &&
2563 1308 : FD_FEATURE_ACTIVE( ctx->slot_ctx, enable_tower_sync_ix ) ) {
2564 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
2565 0 : }
2566 :
2567 1308 : fd_vote_t * vote;
2568 1308 : if( instruction.discriminant == fd_vote_instruction_enum_vote ) {
2569 666 : vote = &instruction.inner.vote;
2570 666 : } else if( instruction.discriminant == fd_vote_instruction_enum_vote_switch ) {
2571 642 : vote = &instruction.inner.vote_switch.vote;
2572 642 : } else {
2573 0 : __builtin_unreachable();
2574 0 : }
2575 :
2576 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L155
2577 1308 : int err;
2578 1308 : fd_slot_hashes_t const * slot_hashes = fd_sysvar_from_instr_acct_slot_hashes( ctx, 1, &err );
2579 1308 : if( FD_UNLIKELY( !slot_hashes ) ) return err;
2580 :
2581 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L157
2582 1173 : fd_sol_sysvar_clock_t const * clock = fd_sysvar_from_instr_acct_clock( ctx, 2, &err );
2583 1173 : if( FD_UNLIKELY( !clock ) ) return err;
2584 :
2585 1161 : rc = process_vote_with_account( 0, me, slot_hashes, clock, vote, signers, ctx );
2586 :
2587 1161 : break;
2588 1173 : }
2589 :
2590 : /* UpdateVoteState
2591 : *
2592 : * Instruction:
2593 : * https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/instruction.rs#L100
2594 : */
2595 831 : case fd_vote_instruction_enum_update_vote_state:;
2596 : /* clang-format off */
2597 831 : __attribute__((fallthrough));
2598 : /* clang-format on */
2599 :
2600 : /* UpdateVoteStateSwitch
2601 : *
2602 : * Instruction:
2603 : * https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/instruction.rs#L107
2604 : *
2605 : * Processor:
2606 : * https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L169
2607 : */
2608 1566 : case fd_vote_instruction_enum_update_vote_state_switch: {
2609 1566 : if( FD_FEATURE_ACTIVE( ctx->slot_ctx, deprecate_legacy_vote_ixs ) &&
2610 1566 : FD_FEATURE_ACTIVE( ctx->slot_ctx, enable_tower_sync_ix ) ) {
2611 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
2612 0 : }
2613 :
2614 1566 : fd_vote_state_update_t * vote_state_update;
2615 1566 : switch( instruction.discriminant ) {
2616 831 : case fd_vote_instruction_enum_update_vote_state:
2617 831 : vote_state_update = &instruction.inner.update_vote_state;
2618 831 : break;
2619 735 : case fd_vote_instruction_enum_update_vote_state_switch:
2620 735 : vote_state_update = &instruction.inner.update_vote_state_switch.vote_state_update;
2621 735 : break;
2622 0 : default:
2623 0 : __builtin_unreachable();
2624 1566 : }
2625 :
2626 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L171
2627 1566 : fd_slot_hashes_t const * slot_hashes = fd_sysvar_cache_slot_hashes( ctx->slot_ctx->sysvar_cache );
2628 1566 : if( FD_UNLIKELY( !slot_hashes ) )
2629 60 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
2630 :
2631 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L172
2632 1506 : fd_sol_sysvar_clock_t const * clock = fd_sysvar_cache_clock( ctx->slot_ctx->sysvar_cache );
2633 1506 : if( FD_UNLIKELY( !clock ) )
2634 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
2635 :
2636 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L173
2637 1506 : rc = process_vote_state_update( 0, me, slot_hashes, clock, vote_state_update, signers, ctx );
2638 :
2639 1506 : break;
2640 1506 : }
2641 :
2642 : /* CompactUpdateVoteState
2643 : *
2644 : * Instruction:
2645 : * https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/instruction.rs#L139
2646 : *
2647 : * Notes:
2648 : * - Up to three signers: the vote authority, the authorized withdrawer, and the new authority.
2649 : * - Feature gated, but live on mainnet.
2650 : */
2651 240 : case fd_vote_instruction_enum_compact_update_vote_state:;
2652 240 : __attribute__((fallthrough));
2653 :
2654 : /* CompactUpdateVoteStateSwitch
2655 : *
2656 : * Instruction:
2657 : * https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/instruction.rs#L146
2658 : *
2659 : * Processor:
2660 : * https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L183
2661 : *
2662 : * Notes:
2663 : * - Up to three signers: the vote authority, the authorized withdrawer, and the new authority.
2664 : * - Feature gated, but live on mainnet.
2665 : */
2666 402 : case fd_vote_instruction_enum_compact_update_vote_state_switch: {
2667 : /* https://github.com/anza-xyz/agave/blob/dc4b9dcbbf859ff48f40d00db824bde063fdafcc/programs/vote/src/vote_processor.rs#L183-L191 */
2668 402 : if( FD_FEATURE_ACTIVE( ctx->slot_ctx, deprecate_legacy_vote_ixs ) &&
2669 402 : FD_FEATURE_ACTIVE( ctx->slot_ctx, enable_tower_sync_ix ) ) {
2670 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
2671 0 : }
2672 :
2673 402 : fd_compact_vote_state_update_t * vote_state_update = NULL;
2674 402 : if( instruction.discriminant == fd_vote_instruction_enum_compact_update_vote_state ) {
2675 240 : vote_state_update = &instruction.inner.compact_update_vote_state;
2676 240 : } else if( instruction.discriminant ==
2677 162 : fd_vote_instruction_enum_compact_update_vote_state_switch ) {
2678 162 : vote_state_update =
2679 162 : &instruction.inner.compact_update_vote_state_switch.compact_vote_state_update;
2680 162 : }
2681 :
2682 402 : fd_vote_state_update_t vote_update;
2683 402 : fd_vote_state_update_new( &vote_update );
2684 402 : if( FD_UNLIKELY( !fd_vote_decode_compact_update( vote_state_update, &vote_update ) ) )
2685 42 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
2686 :
2687 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L185
2688 360 : fd_slot_hashes_t const * slot_hashes = fd_sysvar_cache_slot_hashes( ctx->slot_ctx->sysvar_cache );
2689 360 : if( FD_UNLIKELY( !slot_hashes ) )
2690 57 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
2691 :
2692 303 : fd_sol_sysvar_clock_t const * clock = fd_sysvar_cache_clock( ctx->slot_ctx->sysvar_cache );
2693 303 : if( FD_UNLIKELY( !clock ) )
2694 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
2695 :
2696 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L187
2697 303 : rc = process_vote_state_update( 0, me, slot_hashes, clock, &vote_update, signers, ctx );
2698 :
2699 303 : break;
2700 303 : }
2701 :
2702 : /* TowerSync(Switch)
2703 : *
2704 : * Instruction:
2705 : * https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/instruction.rs#L151-L157
2706 : *
2707 : * Processor:
2708 : * https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L196-L215
2709 : */
2710 :
2711 105 : case fd_vote_instruction_enum_tower_sync:
2712 165 : case fd_vote_instruction_enum_tower_sync_switch: {
2713 165 : if( !FD_FEATURE_ACTIVE( ctx->slot_ctx, enable_tower_sync_ix ) ) {
2714 132 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
2715 132 : }
2716 :
2717 33 : fd_tower_sync_t * tower_sync = (instruction.discriminant == fd_vote_instruction_enum_tower_sync)
2718 33 : ? &instruction.inner.tower_sync
2719 33 : : &instruction.inner.tower_sync_switch.tower_sync;
2720 :
2721 33 : fd_slot_hashes_t const * slot_hashes = fd_sysvar_cache_slot_hashes( ctx->slot_ctx->sysvar_cache );
2722 33 : fd_sol_sysvar_clock_t const * clock = fd_sysvar_cache_clock( ctx->slot_ctx->sysvar_cache );
2723 33 : if( FD_UNLIKELY( !slot_hashes || !clock ) ) {
2724 6 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
2725 6 : }
2726 :
2727 27 : rc = process_tower_sync( 0, me, slot_hashes, clock, tower_sync, signers, ctx );
2728 27 : break;
2729 33 : }
2730 :
2731 : /* Withdraw
2732 : *
2733 : * Instruction:
2734 : * https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/instruction.rs#L57
2735 : *
2736 : * Processor:
2737 : * https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L216
2738 : */
2739 906 : case fd_vote_instruction_enum_withdraw: {
2740 906 : if( FD_UNLIKELY( ctx->instr->acct_cnt < 2 ) ) {
2741 3 : rc = FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
2742 3 : break;
2743 3 : }
2744 903 : fd_rent_t const * rent_sysvar = fd_sysvar_cache_rent( ctx->slot_ctx->sysvar_cache );
2745 903 : if( FD_UNLIKELY( !rent_sysvar ) )
2746 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
2747 903 : fd_sol_sysvar_clock_t const * clock_sysvar = fd_sysvar_cache_clock( ctx->slot_ctx->sysvar_cache );
2748 903 : if( FD_UNLIKELY( !clock_sysvar ) )
2749 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
2750 :
2751 903 : rc = withdraw( ctx, 0, me, instruction.inner.withdraw, 1, signers, rent_sysvar, clock_sysvar );
2752 :
2753 903 : break;
2754 903 : }
2755 :
2756 : /* AuthorizeChecked
2757 : *
2758 : * Instruction:
2759 : * https://github.com/anza-xyz/agave/blob/v2.0.1/sdk/program/src/vote/instruction.rs#L93
2760 : *
2761 : * Processor:
2762 : * https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L234
2763 : *
2764 : * Notes:
2765 : * - Up to three signers: the vote authority, the authorized withdrawer, and the new authority.
2766 : * - Feature gated, but live on mainnet.
2767 : */
2768 891 : case fd_vote_instruction_enum_authorize_checked: {
2769 891 : if( FD_UNLIKELY( ctx->instr->acct_cnt < 4 ) ) {
2770 18 : rc = FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
2771 18 : break;
2772 18 : }
2773 :
2774 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L236
2775 873 : fd_pubkey_t const * voter_pubkey = &ctx->instr->acct_pubkeys[3];
2776 :
2777 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L239
2778 873 : if( FD_UNLIKELY( !fd_instr_acc_is_signer_idx( ctx->instr, 3 ) ) ) {
2779 330 : rc = FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
2780 330 : break;
2781 330 : }
2782 :
2783 : // https://github.com/anza-xyz/agave/blob/v2.0.1/programs/vote/src/vote_processor.rs#L242
2784 543 : fd_sol_sysvar_clock_t const * clock = fd_sysvar_from_instr_acct_clock( ctx, 1, &rc );
2785 543 : if( FD_UNLIKELY( !clock ) ) return rc;
2786 :
2787 465 : rc = authorize( 0, me, voter_pubkey, instruction.inner.authorize_checked, signers, clock, ctx );
2788 465 : break;
2789 543 : }
2790 :
2791 0 : default:
2792 0 : FD_LOG_ERR(( "unsupported vote instruction: %u", instruction.discriminant ));
2793 9846 : }
2794 :
2795 9249 : return rc;
2796 9846 : }
2797 :
2798 : /**********************************************************************/
2799 : /* Public API */
2800 : /**********************************************************************/
2801 :
2802 : int
2803 : fd_vote_get_state( fd_borrowed_account_t const * self,
2804 : fd_valloc_t valloc,
2805 2961 : fd_vote_state_versioned_t * versioned /* out */ ) {
2806 2961 : return get_state( self, valloc, versioned );
2807 2961 : }
2808 :
2809 : void
2810 : fd_vote_convert_to_current( fd_vote_state_versioned_t * self,
2811 1848 : fd_valloc_t valloc ) {
2812 1848 : convert_to_current( self, valloc );
2813 1848 : }
2814 :
2815 : static void
2816 0 : remove_vote_account( fd_exec_slot_ctx_t * slot_ctx, fd_borrowed_account_t * vote_account ) {
2817 0 : fd_vote_accounts_pair_t_mapnode_t key;
2818 0 : fd_memcpy( key.elem.key.uc, vote_account->pubkey->uc, sizeof(fd_pubkey_t) );
2819 :
2820 0 : fd_epoch_bank_t * epoch_bank = fd_exec_epoch_ctx_epoch_bank( slot_ctx->epoch_ctx );
2821 0 : fd_vote_accounts_t * epoch_vote_accounts = &epoch_bank->stakes.vote_accounts;
2822 0 : if (epoch_vote_accounts->vote_accounts_pool == NULL) {
2823 0 : FD_LOG_DEBUG(("Vote accounts pool does not exist"));
2824 0 : return;
2825 0 : }
2826 0 : fd_vote_accounts_pair_t_mapnode_t * entry = fd_vote_accounts_pair_t_map_find(epoch_vote_accounts->vote_accounts_pool, epoch_vote_accounts->vote_accounts_root, &key);
2827 0 : if (FD_LIKELY( entry )) {
2828 0 : fd_vote_accounts_pair_t_map_remove( epoch_vote_accounts->vote_accounts_pool, &epoch_vote_accounts->vote_accounts_root, entry);
2829 0 : }
2830 :
2831 0 : if (slot_ctx->slot_bank.vote_account_keys.vote_accounts_pool == NULL) {
2832 0 : FD_LOG_DEBUG(("Vote accounts pool does not exist"));
2833 0 : return;
2834 0 : }
2835 0 : entry = fd_vote_accounts_pair_t_map_find(slot_ctx->slot_bank.vote_account_keys.vote_accounts_pool, slot_ctx->slot_bank.vote_account_keys.vote_accounts_root, &key);
2836 0 : if (FD_UNLIKELY( entry )) {
2837 0 : fd_vote_accounts_pair_t_map_remove( slot_ctx->slot_bank.vote_account_keys.vote_accounts_pool, &slot_ctx->slot_bank.vote_account_keys.vote_accounts_root, entry);
2838 0 : }
2839 0 : }
2840 :
2841 : void
2842 0 : upsert_vote_account( fd_exec_slot_ctx_t * slot_ctx, fd_borrowed_account_t * vote_account ) {
2843 0 : FD_SCRATCH_SCOPE_BEGIN {
2844 :
2845 0 : fd_bincode_decode_ctx_t decode = {
2846 0 : .data = vote_account->const_data,
2847 0 : .dataend = vote_account->const_data + vote_account->const_meta->dlen,
2848 0 : .valloc = slot_ctx->valloc,
2849 0 : };
2850 0 : fd_bincode_destroy_ctx_t destroy = {
2851 0 : .valloc = slot_ctx->valloc,
2852 0 : };
2853 0 : fd_vote_state_versioned_t vote_state[1] = {0};
2854 0 : if( FD_UNLIKELY( 0!=fd_vote_state_versioned_decode( vote_state, &decode ) ) ) {
2855 0 : remove_vote_account( slot_ctx, vote_account );
2856 0 : fd_vote_state_versioned_destroy( vote_state, &destroy );
2857 0 : return;
2858 0 : }
2859 :
2860 0 : if ( vote_state_versions_is_correct_and_initialized( vote_account ) ) {
2861 0 : fd_epoch_bank_t * epoch_bank = fd_exec_epoch_ctx_epoch_bank( slot_ctx->epoch_ctx );
2862 0 : fd_stakes_t * stakes = &epoch_bank->stakes;
2863 :
2864 0 : fd_vote_accounts_pair_t_mapnode_t key;
2865 0 : fd_memcpy(&key.elem.key, vote_account->pubkey->uc, sizeof(fd_pubkey_t));
2866 0 : if (stakes->vote_accounts.vote_accounts_pool == NULL) {
2867 0 : FD_LOG_DEBUG(("Vote accounts pool does not exist"));
2868 0 : fd_vote_state_versioned_destroy( vote_state, &destroy );
2869 0 : return;
2870 0 : }
2871 0 : fd_vote_accounts_pair_t_mapnode_t * entry = fd_vote_accounts_pair_t_map_find( stakes->vote_accounts.vote_accounts_pool, stakes->vote_accounts.vote_accounts_root, &key);
2872 0 : if ( FD_UNLIKELY( !entry ) ) {
2873 0 : if (slot_ctx->slot_bank.vote_account_keys.vote_accounts_pool == NULL) {
2874 0 : FD_LOG_DEBUG(("Vote accounts pool does not exist"));
2875 0 : return;
2876 0 : }
2877 0 : fd_vote_accounts_pair_t_mapnode_t * existing = fd_vote_accounts_pair_t_map_find( slot_ctx->slot_bank.vote_account_keys.vote_accounts_pool, slot_ctx->slot_bank.vote_account_keys.vote_accounts_root, &key );
2878 0 : if ( !existing ) {
2879 0 : fd_vote_accounts_pair_t_mapnode_t * new_node = fd_vote_accounts_pair_t_map_acquire( slot_ctx->slot_bank.vote_account_keys.vote_accounts_pool );
2880 0 : if (!new_node) {
2881 0 : FD_LOG_ERR(("Map full"));
2882 0 : }
2883 :
2884 0 : fd_vote_block_timestamp_t last_timestamp;
2885 0 : fd_pubkey_t node_pubkey;
2886 :
2887 0 : switch( vote_state->discriminant ) {
2888 0 : case fd_vote_state_versioned_enum_current:
2889 0 : last_timestamp = vote_state->inner.current.last_timestamp;
2890 0 : node_pubkey = vote_state->inner.current.node_pubkey;
2891 0 : break;
2892 0 : case fd_vote_state_versioned_enum_v0_23_5:
2893 0 : last_timestamp = vote_state->inner.v0_23_5.last_timestamp;
2894 0 : node_pubkey = vote_state->inner.v0_23_5.node_pubkey;
2895 0 : break;
2896 0 : case fd_vote_state_versioned_enum_v1_14_11:
2897 0 : last_timestamp = vote_state->inner.v1_14_11.last_timestamp;
2898 0 : node_pubkey = vote_state->inner.v1_14_11.node_pubkey;
2899 0 : break;
2900 0 : default:
2901 0 : __builtin_unreachable();
2902 0 : }
2903 :
2904 0 : fd_memcpy( &new_node->elem.key, vote_account->pubkey, sizeof(fd_pubkey_t));
2905 0 : new_node->elem.value.lamports = vote_account->const_meta->info.lamports;
2906 :
2907 0 : fd_memcpy(new_node->elem.value.node_pubkey.uc, node_pubkey.uc, sizeof(fd_pubkey_t));
2908 0 : new_node->elem.value.last_timestamp_ts = last_timestamp.timestamp;
2909 0 : new_node->elem.value.last_timestamp_slot = last_timestamp.slot;
2910 :
2911 0 : fd_memcpy( &new_node->elem.value.owner, vote_account->const_meta->info.owner, sizeof(fd_pubkey_t) );
2912 0 : new_node->elem.value.executable = (uchar)vote_account->const_meta->info.executable;
2913 0 : new_node->elem.value.rent_epoch = vote_account->const_meta->info.rent_epoch;
2914 0 : new_node->elem.stake = 0UL;
2915 0 : fd_vote_accounts_pair_t_map_insert( slot_ctx->slot_bank.vote_account_keys.vote_accounts_pool, &slot_ctx->slot_bank.vote_account_keys.vote_accounts_root, new_node );
2916 0 : } else {
2917 0 : existing->elem.value.lamports = vote_account->const_meta->info.lamports;
2918 0 : }
2919 0 : } else {
2920 0 : entry->elem.value.lamports = vote_account->const_meta->info.lamports;
2921 0 : }
2922 0 : } else {
2923 0 : remove_vote_account( slot_ctx, vote_account );
2924 0 : }
2925 :
2926 0 : fd_vote_state_versioned_destroy( vote_state, &destroy );
2927 0 : } FD_SCRATCH_SCOPE_END;
2928 0 : }
2929 :
2930 : void
2931 0 : fd_vote_store_account( fd_exec_slot_ctx_t * slot_ctx, fd_borrowed_account_t * vote_account ) {
2932 0 : fd_pubkey_t const * owner = (fd_pubkey_t const *)vote_account->const_meta->info.owner;
2933 :
2934 0 : if (memcmp(owner->uc, fd_solana_vote_program_id.key, sizeof(fd_pubkey_t)) != 0) {
2935 0 : return;
2936 0 : }
2937 0 : if (vote_account->const_meta->info.lamports == 0) {
2938 0 : remove_vote_account( slot_ctx, vote_account );
2939 0 : } else {
2940 0 : upsert_vote_account( slot_ctx, vote_account );
2941 0 : }
2942 0 : }
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