Line data Source code
1 : #include "fd_runtime.h"
2 : #include "../capture/fd_capture_ctx.h"
3 : #include "../types/fd_cast.h"
4 : #include "fd_alut.h"
5 : #include "fd_bank.h"
6 : #include "fd_executor_err.h"
7 : #include "fd_hashes.h"
8 : #include "fd_runtime_err.h"
9 : #include "fd_runtime_stack.h"
10 : #include "fd_acc_pool.h"
11 : #include "fd_accdb_svm.h"
12 : #include "../genesis/fd_genesis_parse.h"
13 : #include "fd_executor.h"
14 : #include "sysvar/fd_sysvar_cache.h"
15 : #include "sysvar/fd_sysvar_clock.h"
16 : #include "sysvar/fd_sysvar_epoch_schedule.h"
17 : #include "sysvar/fd_sysvar_recent_hashes.h"
18 : #include "sysvar/fd_sysvar_stake_history.h"
19 :
20 : #include "../stakes/fd_stakes.h"
21 : #include "../rewards/fd_rewards.h"
22 : #include "../accdb/fd_accdb_sync.h"
23 :
24 : #include "program/fd_builtin_programs.h"
25 : #include "program/fd_precompiles.h"
26 : #include "program/fd_program_util.h"
27 : #include "program/vote/fd_vote_state_versioned.h"
28 : #include "program/vote/fd_vote_codec.h"
29 :
30 : #include "sysvar/fd_sysvar_clock.h"
31 : #include "sysvar/fd_sysvar_last_restart_slot.h"
32 : #include "sysvar/fd_sysvar_recent_hashes.h"
33 : #include "sysvar/fd_sysvar_rent.h"
34 : #include "sysvar/fd_sysvar_slot_hashes.h"
35 : #include "sysvar/fd_sysvar_slot_history.h"
36 :
37 : #include "tests/fd_dump_pb.h"
38 :
39 : #include "fd_system_ids.h"
40 :
41 : #include <unistd.h>
42 : #include <sys/stat.h>
43 : #include <sys/types.h>
44 : #include <fcntl.h>
45 :
46 : /******************************************************************************/
47 : /* Public Runtime Helpers */
48 : /******************************************************************************/
49 :
50 :
51 : /*
52 : https://github.com/anza-xyz/agave/blob/v2.1.1/runtime/src/bank.rs#L1254-L1258
53 : https://github.com/anza-xyz/agave/blob/v2.1.1/runtime/src/bank.rs#L1749
54 : */
55 : int
56 : fd_runtime_compute_max_tick_height( ulong ticks_per_slot,
57 : ulong slot,
58 0 : ulong * out_max_tick_height /* out */ ) {
59 0 : ulong max_tick_height = 0UL;
60 0 : if( FD_LIKELY( ticks_per_slot > 0UL ) ) {
61 0 : ulong next_slot = fd_ulong_sat_add( slot, 1UL );
62 0 : if( FD_UNLIKELY( next_slot == slot ) ) {
63 0 : FD_LOG_WARNING(( "max tick height addition overflowed slot %lu ticks_per_slot %lu", slot, ticks_per_slot ));
64 0 : return -1;
65 0 : }
66 0 : if( FD_UNLIKELY( ULONG_MAX / ticks_per_slot < next_slot ) ) {
67 0 : FD_LOG_WARNING(( "max tick height multiplication overflowed slot %lu ticks_per_slot %lu", slot, ticks_per_slot ));
68 0 : return -1;
69 0 : }
70 0 : max_tick_height = fd_ulong_sat_mul( next_slot, ticks_per_slot );
71 0 : }
72 0 : *out_max_tick_height = max_tick_height;
73 0 : return FD_RUNTIME_EXECUTE_SUCCESS;
74 0 : }
75 :
76 : void
77 : fd_runtime_update_next_leaders( fd_bank_t * bank,
78 0 : fd_runtime_stack_t * runtime_stack ) {
79 :
80 0 : fd_vote_stakes_t * vote_stakes = fd_bank_vote_stakes( bank );
81 0 : fd_epoch_schedule_t const * epoch_schedule = &bank->f.epoch_schedule;
82 :
83 0 : ulong epoch = fd_slot_to_epoch ( epoch_schedule, bank->f.slot, NULL ) + 1UL;
84 0 : ulong slot0 = fd_epoch_slot0 ( epoch_schedule, epoch );
85 0 : ulong slot_cnt = fd_epoch_slot_cnt( epoch_schedule, epoch );
86 :
87 0 : fd_top_votes_t const * top_votes_t_1 = fd_bank_top_votes_t_1_query( bank );
88 0 : fd_vote_stake_weight_t * epoch_weights = runtime_stack->stakes.stake_weights;
89 0 : ulong stake_weight_cnt = fd_stake_weights_by_node_next( top_votes_t_1, vote_stakes, bank->vote_stakes_fork_id, epoch_weights, FD_FEATURE_ACTIVE_BANK( bank, validator_admission_ticket ) );
90 :
91 0 : void * epoch_leaders_mem = fd_bank_epoch_leaders_modify( bank, epoch );
92 0 : fd_epoch_leaders_t * leaders = fd_epoch_leaders_join( fd_epoch_leaders_new(
93 0 : epoch_leaders_mem,
94 0 : epoch,
95 0 : slot0,
96 0 : slot_cnt,
97 0 : stake_weight_cnt,
98 0 : epoch_weights,
99 0 : 0UL ) );
100 0 : if( FD_UNLIKELY( !leaders ) ) {
101 0 : FD_LOG_ERR(( "Unable to init and join fd_epoch_leaders" ));
102 0 : }
103 :
104 : /* Populate a compressed set of stake weights for a valid leader
105 : schedule. */
106 0 : fd_vote_stake_weight_t * stake_weights = runtime_stack->epoch_weights.next_stake_weights;
107 0 : ulong idx = 0UL;
108 :
109 0 : int needs_compression = stake_weight_cnt>MAX_COMPRESSED_STAKE_WEIGHTS;
110 :
111 0 : for( ulong i=0UL; i<stake_weight_cnt; i++ ) {
112 0 : fd_pubkey_t const * vote_pubkey = &epoch_weights[i].vote_key;
113 0 : fd_pubkey_t const * node_pubkey = &epoch_weights[i].id_key;
114 0 : ulong stake = epoch_weights[i].stake;
115 :
116 0 : if( FD_LIKELY( !needs_compression || fd_epoch_leaders_is_leader_idx( leaders, i ) ) ) {
117 0 : stake_weights[ idx ].stake = stake;
118 0 : memcpy( stake_weights[ idx ].id_key.uc, node_pubkey, sizeof(fd_pubkey_t) );
119 0 : memcpy( stake_weights[ idx ].vote_key.uc, vote_pubkey, sizeof(fd_pubkey_t) );
120 0 : idx++;
121 0 : } else if( idx!=0UL && !fd_epoch_leaders_is_leader_idx( leaders, i-1UL ) ) {
122 0 : stake_weights[ idx-1UL ].stake += stake;
123 0 : } else {
124 0 : stake_weights[ idx ].id_key = (fd_pubkey_t){ .uc = FD_DUMMY_ACCOUNT };
125 0 : stake_weights[ idx ].vote_key = (fd_pubkey_t){ .uc = FD_DUMMY_ACCOUNT };
126 0 : stake_weights[ idx ].stake = stake;
127 0 : idx++;
128 0 : }
129 0 : }
130 0 : runtime_stack->epoch_weights.next_stake_weights_cnt = idx;
131 :
132 : /* Produce truncated set of id weights to send to Shred tile for
133 : Turbine tree computation. */
134 0 : ulong staked_cnt = compute_id_weights_from_vote_weights( runtime_stack->stakes.id_weights, epoch_weights, stake_weight_cnt );
135 0 : ulong excluded_stake = 0UL;
136 0 : if( FD_UNLIKELY( staked_cnt>MAX_SHRED_DESTS ) ) {
137 0 : for( ulong i=MAX_SHRED_DESTS; i<staked_cnt; i++ ) {
138 0 : excluded_stake += runtime_stack->stakes.id_weights[i].stake;
139 0 : }
140 0 : }
141 0 : staked_cnt = fd_ulong_min( staked_cnt, MAX_SHRED_DESTS );
142 0 : memcpy( runtime_stack->epoch_weights.next_id_weights, runtime_stack->stakes.id_weights, staked_cnt * sizeof(fd_stake_weight_t) );
143 0 : runtime_stack->epoch_weights.next_id_weights_cnt = staked_cnt;
144 0 : runtime_stack->epoch_weights.next_id_weights_excluded = excluded_stake;
145 0 : }
146 :
147 : void
148 : fd_runtime_update_leaders( fd_bank_t * bank,
149 129 : fd_runtime_stack_t * runtime_stack ) {
150 :
151 129 : fd_epoch_schedule_t const * epoch_schedule = &bank->f.epoch_schedule;
152 :
153 129 : ulong epoch = fd_slot_to_epoch ( epoch_schedule, bank->f.slot, NULL );
154 129 : ulong vat_epoch = fd_slot_to_epoch ( epoch_schedule, bank->f.features.validator_admission_ticket, NULL );
155 129 : ulong slot0 = fd_epoch_slot0 ( epoch_schedule, epoch );
156 129 : ulong slot_cnt = fd_epoch_slot_cnt( epoch_schedule, epoch );
157 :
158 129 : fd_vote_stakes_t * vote_stakes = fd_bank_vote_stakes( bank );
159 :
160 129 : int vat_in_prev = epoch>=vat_epoch+1UL ? 1 : 0;
161 :
162 129 : fd_top_votes_t const * top_votes_t_2 = fd_bank_top_votes_t_2_query( bank );
163 129 : fd_vote_stake_weight_t * epoch_weights = runtime_stack->stakes.stake_weights;
164 129 : ulong stake_weight_cnt = fd_stake_weights_by_node( top_votes_t_2, vote_stakes, bank->vote_stakes_fork_id, epoch_weights, vat_in_prev );
165 :
166 : /* TODO: Can optimize by avoiding recomputing if another fork has
167 : already computed them for this epoch. */
168 129 : void * epoch_leaders_mem = fd_bank_epoch_leaders_modify( bank, epoch );
169 129 : fd_epoch_leaders_t * leaders = fd_epoch_leaders_join( fd_epoch_leaders_new(
170 129 : epoch_leaders_mem,
171 129 : epoch,
172 129 : slot0,
173 129 : slot_cnt,
174 129 : stake_weight_cnt,
175 129 : epoch_weights,
176 129 : 0UL ) );
177 129 : if( FD_UNLIKELY( !leaders ) ) {
178 0 : FD_LOG_ERR(( "Unable to init and join fd_epoch_leaders" ));
179 0 : }
180 :
181 : /* Populate a compressed set of stake weights for a valid leader
182 : schedule. */
183 129 : fd_vote_stake_weight_t * stake_weights = runtime_stack->epoch_weights.stake_weights;
184 129 : ulong idx = 0UL;
185 :
186 129 : int needs_compression = stake_weight_cnt>MAX_COMPRESSED_STAKE_WEIGHTS;
187 :
188 264 : for( ulong i=0UL; i<leaders->pub_cnt; i++ ) {
189 135 : fd_pubkey_t const * vote_pubkey = &epoch_weights[i].vote_key;
190 135 : fd_pubkey_t const * node_pubkey = &epoch_weights[i].id_key;
191 135 : ulong stake = epoch_weights[i].stake;
192 :
193 135 : if( FD_LIKELY( !needs_compression || fd_epoch_leaders_is_leader_idx( leaders, i ) ) ) {
194 135 : stake_weights[ idx ].stake = stake;
195 135 : memcpy( stake_weights[ idx ].id_key.uc, node_pubkey, sizeof(fd_pubkey_t) );
196 135 : memcpy( stake_weights[ idx ].vote_key.uc, vote_pubkey, sizeof(fd_pubkey_t) );
197 135 : idx++;
198 135 : } else if( idx!=0UL && !fd_epoch_leaders_is_leader_idx( leaders, i-1UL ) ) {
199 0 : stake_weights[ idx-1UL ].stake += stake;
200 0 : } else {
201 0 : stake_weights[ idx ].id_key = (fd_pubkey_t){ .uc = FD_DUMMY_ACCOUNT };
202 0 : stake_weights[ idx ].vote_key = (fd_pubkey_t){ .uc = FD_DUMMY_ACCOUNT };
203 0 : stake_weights[ idx ].stake = stake;
204 0 : idx++;
205 0 : }
206 135 : }
207 129 : runtime_stack->epoch_weights.stake_weights_cnt = idx;
208 :
209 : /* Produce truncated set of id weights to send to Shred tile for
210 : Turbine tree computation. */
211 129 : ulong staked_cnt = compute_id_weights_from_vote_weights( runtime_stack->stakes.id_weights, epoch_weights, stake_weight_cnt );
212 129 : ulong excluded_stake = 0UL;
213 129 : if( FD_UNLIKELY( staked_cnt>MAX_SHRED_DESTS ) ) {
214 0 : for( ulong i=MAX_SHRED_DESTS; i<staked_cnt; i++ ) {
215 0 : excluded_stake += runtime_stack->stakes.id_weights[i].stake;
216 0 : }
217 0 : }
218 129 : staked_cnt = fd_ulong_min( staked_cnt, MAX_SHRED_DESTS );
219 129 : memcpy( runtime_stack->epoch_weights.id_weights, runtime_stack->stakes.id_weights, staked_cnt * sizeof(fd_stake_weight_t) );
220 129 : runtime_stack->epoch_weights.id_weights_cnt = staked_cnt;
221 129 : runtime_stack->epoch_weights.id_weights_excluded = excluded_stake;
222 129 : }
223 :
224 : /******************************************************************************/
225 : /* Various Private Runtime Helpers */
226 : /******************************************************************************/
227 :
228 : static int
229 : fd_runtime_validate_fee_collector( fd_bank_t const * bank,
230 : fd_accdb_ro_t const * collector,
231 12 : ulong fee ) {
232 12 : if( FD_UNLIKELY( !fee ) ) FD_LOG_CRIT(( "invariant violation: fee>0" ));
233 :
234 12 : if( FD_UNLIKELY( !fd_pubkey_eq( fd_accdb_ref_owner( collector ), &fd_solana_system_program_id ) ) ) {
235 3 : return 0;
236 3 : }
237 :
238 : /* https://github.com/anza-xyz/agave/blob/v1.18.23/runtime/src/bank/fee_distribution.rs#L111
239 : https://github.com/anza-xyz/agave/blob/v1.18.23/runtime/src/accounts/account_rent_state.rs#L39
240 : In agave's fee deposit code, rent state transition check logic is as follows:
241 : The transition is NOT allowed iff
242 : === BEGIN
243 : the post deposit account is rent paying AND the pre deposit account is not rent paying
244 : OR
245 : the post deposit account is rent paying AND the pre deposit account is rent paying AND !(post_data_size == pre_data_size && post_lamports <= pre_lamports)
246 : === END
247 : post_data_size == pre_data_size is always true during fee deposit.
248 : However, post_lamports > pre_lamports because we are paying a >0 amount.
249 : So, the above reduces down to
250 : === BEGIN
251 : the post deposit account is rent paying AND the pre deposit account is not rent paying
252 : OR
253 : the post deposit account is rent paying AND the pre deposit account is rent paying AND TRUE
254 : === END
255 : This is equivalent to checking that the post deposit account is rent paying.
256 : An account is rent paying if the post deposit balance is >0 AND it's not rent exempt.
257 : We already know that the post deposit balance is >0 because we are paying a >0 amount.
258 : So TLDR we just check if the account is rent exempt.
259 : */
260 9 : fd_rent_t const * rent = &bank->f.rent;
261 9 : ulong minbal = fd_rent_exempt_minimum_balance( rent, fd_accdb_ref_data_sz( collector ) );
262 9 : ulong balance = fd_accdb_ref_lamports( collector );
263 9 : if( FD_UNLIKELY( __builtin_uaddl_overflow( balance, fee, &balance ) ) ) {
264 0 : FD_BASE58_ENCODE_32_BYTES( fd_accdb_ref_address( collector ), addr_b58 );
265 0 : FD_LOG_EMERG(( "integer overflow while crediting %lu fee reward lamports to %s (previous balance %lu)",
266 0 : fee, addr_b58, fd_accdb_ref_lamports( collector ) ));
267 0 : }
268 9 : if( FD_UNLIKELY( balance<minbal ) ) {
269 : /* fee collector not rent exempt after payout */
270 3 : return 0;
271 3 : }
272 :
273 6 : return 1;
274 9 : }
275 :
276 : static void
277 : fd_runtime_run_incinerator( fd_bank_t * bank,
278 : fd_accdb_user_t * accdb,
279 : fd_funk_txn_xid_t const * xid,
280 78 : fd_capture_ctx_t * capture_ctx ) {
281 78 : fd_accdb_svm_remove( accdb, bank, xid, capture_ctx, &fd_sysvar_incinerator_id );
282 78 : }
283 :
284 : /* fd_runtime_settle_fees settles transaction fees accumulated during a
285 : slot. A portion is burnt, another portion is credited to the fee
286 : collector (typically leader). */
287 :
288 : static void
289 : fd_runtime_settle_fees( fd_bank_t * bank,
290 : fd_accdb_user_t * accdb,
291 : fd_funk_txn_xid_t const * xid,
292 78 : fd_capture_ctx_t * capture_ctx ) {
293 :
294 78 : ulong slot = bank->f.slot;
295 78 : ulong execution_fees = bank->f.execution_fees;
296 78 : ulong priority_fees = bank->f.priority_fees;
297 78 : ulong total_fees;
298 78 : if( FD_UNLIKELY( __builtin_uaddl_overflow( execution_fees, priority_fees, &total_fees ) ) ) {
299 0 : FD_LOG_EMERG(( "fee overflow detected (slot=%lu execution_fees=%lu priority_fees=%lu)",
300 0 : slot, execution_fees, priority_fees ));
301 0 : }
302 :
303 78 : ulong fee_burn = execution_fees / 2;
304 78 : ulong fee_reward = fd_ulong_sat_add( priority_fees, execution_fees - fee_burn );
305 :
306 : /* Remove fee balance from bank (decreasing capitalization) */
307 78 : if( FD_UNLIKELY( total_fees > bank->f.capitalization ) ) {
308 0 : FD_LOG_EMERG(( "fee settlement would underflow capitalization (slot=%lu total_fees=%lu cap=%lu)",
309 0 : slot, total_fees, bank->f.capitalization ));
310 0 : }
311 78 : bank->f.capitalization -= total_fees;
312 78 : bank->f.execution_fees = 0;
313 78 : bank->f.priority_fees = 0;
314 :
315 78 : if( FD_LIKELY( fee_reward ) ) {
316 12 : fd_epoch_leaders_t const * leaders = fd_bank_epoch_leaders_query( bank, bank->f.epoch );
317 12 : fd_pubkey_t const * leader = fd_epoch_leaders_get( leaders, bank->f.slot );
318 12 : if( FD_UNLIKELY( !leader ) ) FD_LOG_CRIT(( "fd_epoch_leaders_get(%lu) returned NULL", bank->f.slot ));
319 :
320 : /* Pay out reward portion of collected fees (increasing capitalization) */
321 12 : fd_accdb_rw_t rw[1];
322 12 : fd_accdb_svm_update_t update[1];
323 12 : FD_TEST( fd_accdb_svm_open_rw(
324 12 : accdb, bank, xid,
325 12 : rw, update,
326 12 : leader,
327 12 : 0UL,
328 12 : FD_ACCDB_FLAG_CREATE
329 12 : ) );
330 12 : if( FD_UNLIKELY( !fd_runtime_validate_fee_collector( bank, rw->ro, fee_reward ) ) ) { /* validation failed */
331 6 : FD_LOG_INFO(( "slot %lu has an invalid fee collector, burning fee reward (%lu lamports)", bank->f.slot, fee_reward ));
332 6 : } else {
333 : /* Guaranteed to not overflow, checked above */
334 6 : fd_accdb_ref_lamports_set( rw, fd_accdb_ref_lamports( rw->ro ) + fee_reward );
335 6 : }
336 12 : fd_accdb_svm_close_rw( accdb, bank, capture_ctx, rw, update );
337 12 : }
338 :
339 78 : FD_LOG_INFO(( "slot=%lu priority_fees=%lu execution_fees=%lu fee_burn=%lu fee_rewards=%lu",
340 78 : slot,
341 78 : priority_fees, execution_fees, fee_burn, fee_reward ));
342 78 : }
343 :
344 : static void
345 : fd_runtime_freeze( fd_bank_t * bank,
346 : fd_accdb_user_t * accdb,
347 78 : fd_capture_ctx_t * capture_ctx ) {
348 :
349 78 : fd_funk_txn_xid_t const xid = { .ul = { bank->f.slot, bank->idx } };
350 :
351 78 : if( FD_LIKELY( bank->f.slot != 0UL ) ) {
352 78 : fd_sysvar_recent_hashes_update( bank, accdb, &xid, capture_ctx );
353 78 : }
354 :
355 78 : fd_sysvar_slot_history_update( bank, accdb, &xid, capture_ctx );
356 :
357 78 : fd_runtime_settle_fees( bank, accdb, &xid, capture_ctx );
358 :
359 : /* jito collects a 3% fee at the end of the block + 3% fee at
360 : distribution time. */
361 78 : ulong tips_pre_comission = bank->f.tips;
362 78 : bank->f.tips = (tips_pre_comission - (tips_pre_comission * 6UL / 100UL));
363 :
364 78 : fd_runtime_run_incinerator( bank, accdb, &xid, capture_ctx );
365 :
366 78 : }
367 :
368 : /******************************************************************************/
369 : /* Block-Level Execution Preparation/Finalization */
370 : /******************************************************************************/
371 : void
372 : fd_runtime_new_fee_rate_governor_derived( fd_bank_t * bank,
373 285 : ulong latest_signatures_per_slot ) {
374 :
375 285 : fd_fee_rate_governor_t const * base_fee_rate_governor = &bank->f.fee_rate_governor;
376 :
377 285 : ulong old_lamports_per_signature = bank->f.rbh_lamports_per_sig;
378 :
379 285 : fd_fee_rate_governor_t me = {
380 285 : .target_signatures_per_slot = base_fee_rate_governor->target_signatures_per_slot,
381 285 : .target_lamports_per_signature = base_fee_rate_governor->target_lamports_per_signature,
382 285 : .max_lamports_per_signature = base_fee_rate_governor->max_lamports_per_signature,
383 285 : .min_lamports_per_signature = base_fee_rate_governor->min_lamports_per_signature,
384 285 : .burn_percent = base_fee_rate_governor->burn_percent
385 285 : };
386 :
387 285 : ulong new_lamports_per_signature = 0;
388 285 : if( me.target_signatures_per_slot > 0 ) {
389 6 : me.min_lamports_per_signature = fd_ulong_max( 1UL, (ulong)(me.target_lamports_per_signature / 2) );
390 6 : me.max_lamports_per_signature = me.target_lamports_per_signature * 10;
391 6 : ulong desired_lamports_per_signature = fd_ulong_min(
392 6 : me.max_lamports_per_signature,
393 6 : fd_ulong_max(
394 6 : me.min_lamports_per_signature,
395 6 : me.target_lamports_per_signature
396 6 : * fd_ulong_min(latest_signatures_per_slot, (ulong)UINT_MAX)
397 6 : / me.target_signatures_per_slot
398 6 : )
399 6 : );
400 6 : long gap = (long)desired_lamports_per_signature - (long)old_lamports_per_signature;
401 6 : if ( gap == 0 ) {
402 0 : new_lamports_per_signature = desired_lamports_per_signature;
403 6 : } else {
404 6 : long gap_adjust = (long)(fd_ulong_max( 1UL, (ulong)(me.target_lamports_per_signature / 20) ))
405 6 : * (gap != 0)
406 6 : * (gap > 0 ? 1 : -1);
407 6 : new_lamports_per_signature = fd_ulong_min(
408 6 : me.max_lamports_per_signature,
409 6 : fd_ulong_max(
410 6 : me.min_lamports_per_signature,
411 6 : (ulong)((long)old_lamports_per_signature + gap_adjust)
412 6 : )
413 6 : );
414 6 : }
415 279 : } else {
416 279 : new_lamports_per_signature = base_fee_rate_governor->target_lamports_per_signature;
417 279 : me.min_lamports_per_signature = me.target_lamports_per_signature;
418 279 : me.max_lamports_per_signature = me.target_lamports_per_signature;
419 279 : }
420 285 : bank->f.fee_rate_governor = me;
421 285 : bank->f.rbh_lamports_per_sig = new_lamports_per_signature;
422 285 : }
423 :
424 : /******************************************************************************/
425 : /* Epoch Boundary */
426 : /******************************************************************************/
427 :
428 : /* https://github.com/anza-xyz/agave/blob/v2.1.0/runtime/src/bank.rs#L6704 */
429 : static void
430 : fd_apply_builtin_program_feature_transitions( fd_bank_t * bank,
431 : fd_accdb_user_t * accdb,
432 : fd_funk_txn_xid_t const * xid,
433 : fd_runtime_stack_t * runtime_stack,
434 129 : fd_capture_ctx_t * capture_ctx ) {
435 : /* TODO: Set the upgrade authority properly from the core bpf migration config. Right now it's set to None.
436 :
437 : Migrate any necessary stateless builtins to core BPF. So far,
438 : the only "stateless" builtin is the Feature program. Beginning
439 : checks in the migrate_builtin_to_core_bpf function will fail if the
440 : program has already been migrated to BPF. */
441 :
442 129 : fd_builtin_program_t const * builtins = fd_builtins();
443 1290 : for( ulong i=0UL; i<fd_num_builtins(); i++ ) {
444 : /* https://github.com/anza-xyz/agave/blob/v2.1.0/runtime/src/bank.rs#L6732-L6751 */
445 1161 : if( builtins[i].core_bpf_migration_config && FD_FEATURE_ACTIVE_OFFSET( bank->f.slot, &bank->f.features, builtins[i].core_bpf_migration_config->enable_feature_offset ) ) {
446 0 : FD_BASE58_ENCODE_32_BYTES( builtins[i].pubkey->key, pubkey_b58 );
447 0 : FD_LOG_DEBUG(( "Migrating builtin program %s to core BPF", pubkey_b58 ));
448 0 : fd_migrate_builtin_to_core_bpf( bank, accdb, xid, runtime_stack, builtins[i].core_bpf_migration_config, capture_ctx );
449 0 : }
450 : /* https://github.com/anza-xyz/agave/blob/v2.1.0/runtime/src/bank.rs#L6753-L6774 */
451 1161 : if( builtins[i].enable_feature_offset!=NO_ENABLE_FEATURE_ID && FD_FEATURE_JUST_ACTIVATED_OFFSET( bank, builtins[i].enable_feature_offset ) ) {
452 0 : FD_BASE58_ENCODE_32_BYTES( builtins[i].pubkey->key, pubkey_b58 );
453 0 : FD_LOG_DEBUG(( "Enabling builtin program %s", pubkey_b58 ));
454 0 : fd_write_builtin_account( bank, accdb, xid, capture_ctx, *builtins[i].pubkey, builtins[i].data,strlen(builtins[i].data) );
455 0 : }
456 1161 : }
457 :
458 : /* https://github.com/anza-xyz/agave/blob/v2.1.0/runtime/src/bank.rs#L6776-L6793 */
459 129 : fd_stateless_builtin_program_t const * stateless_builtins = fd_stateless_builtins();
460 387 : for( ulong i=0UL; i<fd_num_stateless_builtins(); i++ ) {
461 258 : if( stateless_builtins[i].core_bpf_migration_config && FD_FEATURE_ACTIVE_OFFSET( bank->f.slot, &bank->f.features, stateless_builtins[i].core_bpf_migration_config->enable_feature_offset ) ) {
462 0 : FD_BASE58_ENCODE_32_BYTES( stateless_builtins[i].pubkey->key, pubkey_b58 );
463 0 : FD_LOG_DEBUG(( "Migrating stateless builtin program %s to core BPF", pubkey_b58 ));
464 0 : fd_migrate_builtin_to_core_bpf( bank, accdb, xid, runtime_stack, stateless_builtins[i].core_bpf_migration_config, capture_ctx );
465 0 : }
466 258 : }
467 :
468 : /* https://github.com/anza-xyz/agave/blob/c1080de464cfb578c301e975f498964b5d5313db/runtime/src/bank.rs#L6795-L6805 */
469 516 : for( fd_precompile_program_t const * precompiles = fd_precompiles(); precompiles->verify_fn; precompiles++ ) {
470 387 : if( precompiles->feature_offset != NO_ENABLE_FEATURE_ID &&
471 387 : FD_FEATURE_JUST_ACTIVATED_OFFSET( bank, precompiles->feature_offset ) ) {
472 0 : fd_write_builtin_account( bank, accdb, xid, capture_ctx, *precompiles->pubkey, "", 0 );
473 0 : }
474 387 : }
475 129 : }
476 :
477 : static void
478 : fd_feature_activate( fd_bank_t * bank,
479 : fd_accdb_user_t * accdb,
480 : fd_funk_txn_xid_t const * xid,
481 : fd_capture_ctx_t * capture_ctx,
482 : fd_feature_id_t const * id,
483 34959 : fd_pubkey_t const * addr ) {
484 34959 : fd_features_t * features = &bank->f.features;
485 :
486 34959 : if( id->reverted==1 ) return;
487 :
488 33411 : fd_accdb_ro_t ro[1];
489 33411 : if( FD_UNLIKELY( !fd_accdb_open_ro( accdb, ro, xid, addr ) ) ) {
490 33399 : return;
491 33399 : }
492 :
493 12 : if( FD_UNLIKELY( !fd_pubkey_eq( fd_accdb_ref_owner( ro ), &fd_solana_feature_program_id ) ) ) {
494 : /* Feature account not yet initialized */
495 3 : fd_accdb_close_ro( accdb, ro );
496 3 : return;
497 3 : }
498 :
499 9 : FD_BASE58_ENCODE_32_BYTES( addr->uc, addr_b58 );
500 :
501 9 : fd_feature_t feature;
502 9 : if( FD_UNLIKELY( !fd_feature_decode( &feature, fd_accdb_ref_data_const( ro ), fd_accdb_ref_data_sz( ro ) ) ) ) {
503 3 : FD_LOG_WARNING(( "cannot activate feature %s, corrupt account data", addr_b58 ));
504 3 : FD_LOG_HEXDUMP_NOTICE(( "corrupt feature account", fd_accdb_ref_data_const( ro ), fd_accdb_ref_data_sz( ro ) ));
505 3 : fd_accdb_close_ro( accdb, ro );
506 3 : return;
507 3 : }
508 6 : fd_accdb_close_ro( accdb, ro );
509 :
510 6 : if( feature.is_active ) {
511 3 : FD_LOG_DEBUG(( "feature %s already activated at slot %lu", addr_b58, feature.activation_slot ));
512 3 : fd_features_set( features, id, feature.activation_slot);
513 3 : } else {
514 3 : FD_LOG_DEBUG(( "feature %s not activated at slot %lu, activating", addr_b58, bank->f.slot ));
515 3 : fd_accdb_rw_t rw[1]; fd_accdb_svm_update_t update[1];
516 3 : if( FD_UNLIKELY( !fd_accdb_svm_open_rw( accdb, bank, xid, rw, update, addr, 0UL, 0 ) ) ) return;
517 3 : FD_TEST( fd_accdb_ref_data_sz( rw->ro )>=sizeof(fd_feature_t) );
518 3 : feature.is_active = 1;
519 3 : feature.activation_slot = bank->f.slot;
520 3 : FD_STORE( fd_feature_t, fd_accdb_ref_data( rw ), feature );
521 3 : fd_accdb_svm_close_rw( accdb, bank, capture_ctx, rw, update );
522 3 : }
523 6 : }
524 :
525 : static void
526 : fd_features_activate( fd_bank_t * bank,
527 : fd_accdb_user_t * accdb,
528 : fd_funk_txn_xid_t const * xid,
529 129 : fd_capture_ctx_t * capture_ctx ) {
530 129 : for( fd_feature_id_t const * id = fd_feature_iter_init();
531 35088 : !fd_feature_iter_done( id );
532 34959 : id = fd_feature_iter_next( id ) ) {
533 34959 : fd_feature_activate( bank, accdb, xid, capture_ctx, id, &id->id );
534 34959 : }
535 129 : }
536 :
537 : /* SIMD-0194: deprecate_rent_exemption_threshold
538 : https://github.com/anza-xyz/agave/blob/v3.1.4/runtime/src/bank.rs#L5322-L5329 */
539 : static void
540 : deprecate_rent_exemption_threshold( fd_bank_t * bank,
541 : fd_accdb_user_t * accdb,
542 : fd_funk_txn_xid_t const * xid,
543 3 : fd_capture_ctx_t * capture_ctx ) {
544 : /* We use the bank fields here to mirror Agave - in mainnet, devnet
545 : and testnet Agave's bank rent.burn_percent field is different to
546 : the value in the sysvar. When this feature is activated in Agave,
547 : the sysvar inherits the value from the bank. */
548 3 : fd_rent_t rent = bank->f.rent;
549 3 : rent.lamports_per_uint8_year = fd_rust_cast_double_to_ulong(
550 3 : (double)rent.lamports_per_uint8_year * rent.exemption_threshold );
551 3 : rent.exemption_threshold = FD_SIMD_0194_NEW_RENT_EXEMPTION_THRESHOLD;
552 :
553 : /* We don't refresh the sysvar cache here. The cache is refreshed in
554 : fd_sysvar_cache_restore, which is called at the start of every
555 : block in fd_runtime_block_execute_prepare, after this function. */
556 3 : fd_sysvar_rent_write( bank, accdb, xid, capture_ctx, &rent );
557 3 : bank->f.rent = rent;
558 3 : }
559 :
560 : // https://github.com/anza-xyz/agave/blob/v3.1.4/runtime/src/bank.rs#L5296-L5391
561 : static void
562 : fd_compute_and_apply_new_feature_activations( fd_bank_t * bank,
563 : fd_accdb_user_t * accdb,
564 : fd_funk_txn_xid_t const * xid,
565 : fd_runtime_stack_t * runtime_stack,
566 129 : fd_capture_ctx_t * capture_ctx ) {
567 : /* Activate new features
568 : https://github.com/anza-xyz/agave/blob/v3.1.4/runtime/src/bank.rs#L5296-L5391 */
569 129 : fd_features_activate( bank, accdb, xid, capture_ctx );
570 129 : fd_features_restore( bank, accdb, xid );
571 :
572 : /* SIMD-0194: deprecate_rent_exemption_threshold
573 : https://github.com/anza-xyz/agave/blob/v3.1.4/runtime/src/bank.rs#L5322-L5329 */
574 129 : if( FD_UNLIKELY( FD_FEATURE_JUST_ACTIVATED_BANK( bank, deprecate_rent_exemption_threshold ) ) ) {
575 3 : deprecate_rent_exemption_threshold( bank, accdb, xid, capture_ctx );
576 3 : }
577 :
578 : /* Apply builtin program feature transitions
579 : https://github.com/anza-xyz/agave/blob/v2.1.0/runtime/src/bank.rs#L6621-L6624 */
580 129 : fd_apply_builtin_program_feature_transitions( bank, accdb, xid, runtime_stack, capture_ctx );
581 :
582 129 : if( FD_UNLIKELY( FD_FEATURE_JUST_ACTIVATED_BANK( bank, vote_state_v4 ) ) ) {
583 0 : fd_upgrade_core_bpf_program( bank, accdb, xid, runtime_stack, &fd_solana_stake_program_id, &fd_solana_stake_program_vote_state_v4_buffer_address, capture_ctx );
584 0 : }
585 :
586 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-beta.2/runtime/src/bank.rs#L5703-L5716 */
587 129 : if( FD_UNLIKELY( FD_FEATURE_JUST_ACTIVATED_BANK( bank, replace_spl_token_with_p_token ) ) ) {
588 0 : fd_upgrade_loader_v2_program_with_loader_v3_program(
589 0 : bank,
590 0 : accdb,
591 0 : xid,
592 0 : runtime_stack,
593 0 : &fd_solana_spl_token_id,
594 0 : &fd_solana_ptoken_program_buffer_address,
595 0 : FD_FEATURE_ACTIVE_BANK( bank, relax_programdata_account_check_migration ),
596 0 : capture_ctx );
597 0 : }
598 :
599 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-beta.4/runtime/src/bank.rs#L5736-L5744 */
600 129 : if( FD_UNLIKELY( FD_FEATURE_JUST_ACTIVATED_BANK( bank, upgrade_bpf_stake_program_to_v5 ) ) ) {
601 0 : fd_upgrade_core_bpf_program(
602 0 : bank,
603 0 : accdb,
604 0 : xid,
605 0 : runtime_stack,
606 0 : &fd_solana_stake_program_id,
607 0 : &fd_solana_stake_program_v5_buffer_address,
608 0 : capture_ctx );
609 0 : }
610 129 : }
611 :
612 : /* Starting a new epoch.
613 : New epoch: T
614 : Just ended epoch: T-1
615 : Epoch before: T-2
616 :
617 : In this function:
618 : - stakes in T-2 (vote_states_prev_prev) should be replaced by T-1 (vote_states_prev)
619 : - stakes at T-1 (vote_states_prev) should be replaced by updated stakes at T (vote_states)
620 : - leader schedule should be calculated using new T-2 stakes (vote_states_prev_prev)
621 :
622 : Invariant during an epoch T:
623 : vote_states_prev holds the stakes at T-1
624 : vote_states_prev_prev holds the stakes at T-2
625 : */
626 : /* process for the start of a new epoch */
627 : static void
628 : fd_runtime_process_new_epoch( fd_banks_t * banks,
629 : fd_bank_t * bank,
630 : fd_accdb_user_t * accdb,
631 : fd_funk_txn_xid_t const * xid,
632 : fd_capture_ctx_t * capture_ctx,
633 : ulong parent_epoch,
634 129 : fd_runtime_stack_t * runtime_stack ) {
635 129 : long start = fd_log_wallclock();
636 :
637 129 : fd_compute_and_apply_new_feature_activations( bank, accdb, xid, runtime_stack, capture_ctx );
638 :
639 : /* Update the cached warmup/cooldown rate epoch now that features may
640 : have changed (reduce_stake_warmup_cooldown may have just activated). */
641 129 : bank->f.warmup_cooldown_rate_epoch = fd_slot_to_epoch( &bank->f.epoch_schedule,
642 129 : bank->f.features.reduce_stake_warmup_cooldown,
643 129 : NULL );
644 :
645 : /* Updates stake history sysvar accumulated values and recomputes
646 : stake delegations for vote accounts. */
647 :
648 129 : fd_stake_delegations_t const * stake_delegations = fd_bank_stake_delegations_frontier_query( banks, bank );
649 129 : if( FD_UNLIKELY( !stake_delegations ) ) {
650 0 : FD_LOG_CRIT(( "stake_delegations is NULL" ));
651 0 : }
652 :
653 129 : fd_stakes_activate_epoch( bank, runtime_stack, accdb, xid, capture_ctx, stake_delegations,
654 129 : &bank->f.warmup_cooldown_rate_epoch );
655 :
656 : /* Distribute rewards. This involves calculating the rewards for
657 : every vote and stake account. */
658 :
659 129 : fd_hash_t const * parent_blockhash = fd_blockhashes_peek_last_hash( &bank->f.block_hash_queue );
660 129 : fd_begin_partitioned_rewards( bank,
661 129 : accdb,
662 129 : xid,
663 129 : runtime_stack,
664 129 : capture_ctx,
665 129 : stake_delegations,
666 129 : parent_blockhash,
667 129 : parent_epoch );
668 :
669 129 : fd_bank_stake_delegations_end_frontier_query( banks, bank );
670 :
671 : /* The Agave client handles updating their stakes cache with a call to
672 : update_epoch_stakes() which keys stakes by the leader schedule
673 : epochs and retains up to 6 epochs of stakes. However, to correctly
674 : calculate the leader schedule, we just need to maintain the vote
675 : states for the current epoch, the previous epoch, and the one
676 : before that.
677 : https://github.com/anza-xyz/agave/blob/v3.0.4/runtime/src/bank.rs#L2175
678 : */
679 :
680 : /* Now that our stakes caches have been updated, we can calculate the
681 : leader schedule for the upcoming epoch epoch using our new
682 : vote_states_prev_prev (stakes for T-2). */
683 :
684 129 : fd_runtime_update_leaders( bank, runtime_stack );
685 :
686 129 : long end = fd_log_wallclock();
687 129 : FD_LOG_NOTICE(( "starting epoch %lu at slot %lu took %.6f seconds", bank->f.epoch, bank->f.slot, (double)(end - start) / 1e9 ));
688 129 : }
689 :
690 : static void
691 : fd_runtime_block_pre_execute_process_new_epoch( fd_banks_t * banks,
692 : fd_bank_t * bank,
693 : fd_accdb_user_t * accdb,
694 : fd_funk_txn_xid_t const * xid,
695 : fd_capture_ctx_t * capture_ctx,
696 : fd_runtime_stack_t * runtime_stack,
697 285 : int * is_epoch_boundary ) {
698 :
699 285 : ulong const slot = bank->f.slot;
700 285 : if( FD_LIKELY( slot != 0UL ) ) {
701 285 : fd_epoch_schedule_t const * epoch_schedule = &bank->f.epoch_schedule;
702 :
703 285 : ulong prev_epoch = fd_slot_to_epoch( epoch_schedule, bank->f.parent_slot, NULL );
704 285 : ulong slot_idx;
705 285 : ulong new_epoch = fd_slot_to_epoch( epoch_schedule, slot, &slot_idx );
706 285 : if( FD_UNLIKELY( slot_idx==1UL && new_epoch==0UL ) ) {
707 : /* The block after genesis has a height of 1. */
708 0 : bank->f.block_height = 1UL;
709 0 : }
710 :
711 285 : if( FD_UNLIKELY( prev_epoch<new_epoch || !slot_idx ) ) {
712 129 : FD_LOG_DEBUG(( "Epoch boundary starting" ));
713 129 : fd_runtime_process_new_epoch( banks, bank, accdb, xid, capture_ctx, prev_epoch, runtime_stack );
714 129 : *is_epoch_boundary = 1;
715 156 : } else {
716 156 : *is_epoch_boundary = 0;
717 156 : }
718 :
719 285 : fd_distribute_partitioned_epoch_rewards( bank, accdb, xid, capture_ctx );
720 285 : } else {
721 0 : *is_epoch_boundary = 0;
722 0 : }
723 285 : }
724 :
725 :
726 : static void
727 : fd_runtime_block_sysvar_update_pre_execute( fd_bank_t * bank,
728 : fd_accdb_user_t * accdb,
729 : fd_funk_txn_xid_t const * xid,
730 : fd_runtime_stack_t * runtime_stack,
731 285 : fd_capture_ctx_t * capture_ctx ) {
732 : // let (fee_rate_governor, fee_components_time_us) = measure_us!(
733 : // FeeRateGovernor::new_derived(&parent.fee_rate_governor, parent.signature_count())
734 : // );
735 : /* https://github.com/firedancer-io/solana/blob/dab3da8e7b667d7527565bddbdbecf7ec1fb868e/runtime/src/bank.rs#L1312-L1314 */
736 :
737 285 : fd_runtime_new_fee_rate_governor_derived( bank, bank->f.parent_signature_cnt );
738 :
739 285 : fd_epoch_schedule_t const * epoch_schedule = &bank->f.epoch_schedule;
740 285 : ulong parent_epoch = fd_slot_to_epoch( epoch_schedule, bank->f.parent_slot, NULL );
741 285 : fd_sysvar_clock_update( bank, accdb, xid, capture_ctx, runtime_stack, &parent_epoch );
742 :
743 : // It has to go into the current txn previous info but is not in slot 0
744 285 : if( bank->f.slot != 0 ) {
745 285 : fd_sysvar_slot_hashes_update( bank, accdb, xid, capture_ctx );
746 285 : }
747 285 : fd_sysvar_last_restart_slot_update( bank, accdb, xid, capture_ctx, bank->f.last_restart_slot );
748 285 : }
749 :
750 : int
751 : fd_runtime_load_txn_address_lookup_tables( fd_txn_in_t const * txn_in,
752 : fd_txn_t const * txn,
753 : uchar const * payload,
754 : fd_accdb_user_t * accdb,
755 : fd_funk_txn_xid_t const * xid,
756 : ulong slot,
757 : fd_slot_hashes_t const * hashes,
758 102 : fd_acct_addr_t * out_accts_alt ) {
759 :
760 102 : if( FD_LIKELY( txn->transaction_version!=FD_TXN_V0 ) ) return FD_RUNTIME_EXECUTE_SUCCESS;
761 :
762 102 : fd_alut_interp_t interp[1];
763 102 : fd_alut_interp_new(
764 102 : interp,
765 102 : out_accts_alt,
766 102 : txn,
767 102 : payload,
768 102 : hashes,
769 102 : slot );
770 :
771 102 : fd_txn_acct_addr_lut_t const * addr_luts = fd_txn_get_address_tables_const( txn );
772 105 : for( ulong i=0UL; i<txn->addr_table_lookup_cnt; i++ ) {
773 3 : fd_txn_acct_addr_lut_t const * addr_lut = &addr_luts[i];
774 3 : fd_pubkey_t addr_lut_acc = FD_LOAD( fd_pubkey_t, payload+addr_lut->addr_off );
775 :
776 : /* https://github.com/anza-xyz/agave/blob/368ea563c423b0a85cc317891187e15c9a321521/accounts-db/src/accounts.rs#L90-L94 */
777 3 : fd_accdb_ro_t alut_ro[1];
778 :
779 3 : int is_found = 0;
780 3 : if( FD_UNLIKELY( txn_in && txn_in->bundle.is_bundle ) ) {
781 6 : for( ulong j=txn_in->bundle.prev_txn_cnt; j>0UL && !is_found; j-- ) {
782 3 : fd_txn_out_t * prev_txn_out = txn_in->bundle.prev_txn_outs[ j-1 ];
783 6 : for( ushort k=0; k<prev_txn_out->accounts.cnt; k++ ) {
784 6 : if( fd_pubkey_eq( &prev_txn_out->accounts.keys[ k ], &addr_lut_acc ) && prev_txn_out->accounts.is_writable[ k ] ) {
785 3 : fd_accdb_ro_init_nodb( alut_ro, &addr_lut_acc, prev_txn_out->accounts.account[ k ].meta );
786 3 : if( FD_UNLIKELY( !alut_ro->meta->lamports ) ) {
787 0 : fd_alut_interp_delete( interp );
788 0 : return FD_RUNTIME_TXN_ERR_ADDRESS_LOOKUP_TABLE_NOT_FOUND;
789 0 : }
790 3 : is_found = 1;
791 3 : break;
792 3 : }
793 6 : }
794 3 : }
795 3 : }
796 :
797 3 : if( FD_UNLIKELY( !is_found && !fd_accdb_open_ro( accdb, alut_ro, xid, &addr_lut_acc ) ) ) {
798 0 : fd_alut_interp_delete( interp );
799 0 : return FD_RUNTIME_TXN_ERR_ADDRESS_LOOKUP_TABLE_NOT_FOUND;
800 0 : }
801 :
802 3 : int err = fd_alut_interp_next(
803 3 : interp,
804 3 : &addr_lut_acc,
805 3 : fd_accdb_ref_owner ( alut_ro ),
806 3 : fd_accdb_ref_data_const( alut_ro ),
807 3 : fd_accdb_ref_data_sz ( alut_ro ) );
808 3 : fd_accdb_close_ro( accdb, alut_ro );
809 3 : if( FD_UNLIKELY( err ) ) {
810 0 : fd_alut_interp_delete( interp );
811 0 : return err;
812 0 : }
813 3 : }
814 :
815 102 : fd_alut_interp_delete( interp );
816 :
817 102 : return FD_RUNTIME_EXECUTE_SUCCESS;
818 102 : }
819 :
820 : /* Pre-populate the bank's in-memory feature set with upcoming feature
821 : activations. If the current slot is the last slot before an epoch
822 : boundary, scan all known feature accounts. Otherwise, returns early.
823 :
824 : For any feature that is pending (not yet activated on-chain) but has
825 : an account owned by the feature program, set the in-memory activation
826 : slot within the bank's featureset to the first slot of the next
827 : epoch. This is needed so that deployment verification (which uses
828 : slot+1) can detect features that will activate at the next epoch
829 : boundary.
830 :
831 : In Agave, program deployments use the feature set from the next
832 : slot via DELAY_VISIBILITY_SLOT_OFFSET. The runtime environments
833 : for deployment are selected based on epoch_of(slot+1):
834 : https://github.com/anza-xyz/agave/blob/v3.1.8/runtime/src/bank.rs#L3280-L3295
835 : https://github.com/anza-xyz/agave/blob/v3.1.8/svm/src/transaction_processor.rs#L339-L345
836 :
837 : This function does NOT write to feature accounts or update the
838 : lthash. It only modifies the bank's in-memory feature set. */
839 : static void
840 : fd_features_prepopulate_upcoming( fd_bank_t * bank,
841 : fd_accdb_user_t * accdb,
842 285 : fd_funk_txn_xid_t const * xid ) {
843 285 : ulong slot = bank->f.slot;
844 285 : fd_epoch_schedule_t const * epoch_schedule = &bank->f.epoch_schedule;
845 285 : ulong curr_epoch = fd_slot_to_epoch( epoch_schedule, slot, NULL );
846 285 : ulong next_epoch = fd_slot_to_epoch( epoch_schedule, slot+1UL, NULL );
847 285 : if( FD_LIKELY( curr_epoch==next_epoch ) ) return;
848 :
849 21 : fd_features_restore( bank, accdb, xid );
850 21 : }
851 :
852 : void
853 : fd_runtime_block_execute_prepare( fd_banks_t * banks,
854 : fd_bank_t * bank,
855 : fd_accdb_user_t * accdb,
856 : fd_runtime_stack_t * runtime_stack,
857 : fd_capture_ctx_t * capture_ctx,
858 285 : int * is_epoch_boundary ) {
859 :
860 285 : fd_funk_txn_xid_t const xid = { .ul = { bank->f.slot, bank->idx } };
861 :
862 285 : fd_runtime_block_pre_execute_process_new_epoch( banks, bank, accdb, &xid, capture_ctx, runtime_stack, is_epoch_boundary );
863 :
864 285 : if( FD_LIKELY( bank->f.slot ) ) {
865 285 : fd_cost_tracker_t * cost_tracker = fd_bank_cost_tracker_modify( bank );
866 285 : FD_TEST( cost_tracker );
867 285 : fd_cost_tracker_init( cost_tracker, &bank->f.features, bank->f.slot );
868 285 : }
869 :
870 285 : fd_features_prepopulate_upcoming( bank, accdb, &xid );
871 :
872 285 : fd_runtime_block_sysvar_update_pre_execute( bank, accdb, &xid, runtime_stack, capture_ctx );
873 :
874 285 : if( FD_UNLIKELY( !fd_sysvar_cache_restore( bank, accdb, &xid ) ) ) {
875 0 : FD_LOG_ERR(( "Failed to restore sysvar cache" ));
876 0 : }
877 285 : }
878 :
879 : static void
880 : fd_runtime_update_bank_hash( fd_bank_t * bank,
881 78 : fd_capture_ctx_t * capture_ctx ) {
882 : /* Compute the new bank hash */
883 78 : fd_lthash_value_t const * lthash = fd_bank_lthash_locking_query( bank );
884 78 : fd_hash_t new_bank_hash[1] = { 0 };
885 78 : fd_hashes_hash_bank(
886 78 : lthash,
887 78 : &bank->f.prev_bank_hash,
888 78 : (fd_hash_t *)bank->f.poh.hash,
889 78 : bank->f.signature_count,
890 78 : new_bank_hash );
891 :
892 : /* Update the bank hash */
893 78 : bank->f.bank_hash = *new_bank_hash;
894 :
895 78 : if( capture_ctx && capture_ctx->capture_solcap &&
896 78 : bank->f.slot>=capture_ctx->solcap_start_slot ) {
897 :
898 0 : uchar lthash_hash[FD_HASH_FOOTPRINT];
899 0 : fd_blake3_hash(lthash->bytes, FD_LTHASH_LEN_BYTES, lthash_hash );
900 0 : fd_capture_link_write_bank_preimage(
901 0 : capture_ctx,
902 0 : bank->f.slot,
903 0 : (fd_hash_t *)new_bank_hash->hash,
904 0 : (fd_hash_t *)&bank->f.prev_bank_hash,
905 0 : (fd_hash_t *)lthash_hash,
906 0 : (fd_hash_t *)bank->f.poh.hash,
907 0 : bank->f.signature_count );
908 0 : }
909 :
910 78 : fd_bank_lthash_end_locking_query( bank );
911 78 : }
912 :
913 : /******************************************************************************/
914 : /* Transaction Level Execution Management */
915 : /******************************************************************************/
916 :
917 : /* fd_runtime_pre_execute_check is responsible for conducting many of
918 : the transaction sanitization checks. This is a combination of some
919 : of the work done in Agave's load_and_execute_transactions(), and some
920 : of the work done in Agave's transaction ingestion stage, before the
921 : transaction even hits the scheduler. We do some of the checks also
922 : in our transaction ingestion stage. For example, the duplicate
923 : account check is performed in both the leader and the replay
924 : scheduler. As a result, the duplicate account check below is
925 : essentially redundant, except that our fuzzing harness expects a
926 : single entry point to cover all of these checks. So we keep all of
927 : the checks below for fuzzing purposes. We could in theory hoist some
928 : of the pre-scheduler checks into a public function that is only
929 : invoked by the fuzzer to avoid duplication in the leader and the
930 : replay pipeline. But all the duplicate checks are pretty cheap, and
931 : the order and placement of the checks are also in motion on Agave's
932 : side, and performing all the checks faithfully would require access
933 : to the bank in the scheduler which is kind of gross. So that's all
934 : probably more hassle than worth. */
935 :
936 : static inline int
937 : fd_runtime_pre_execute_check( fd_runtime_t * runtime,
938 : fd_bank_t * bank,
939 : fd_txn_in_t const * txn_in,
940 180 : fd_txn_out_t * txn_out ) {
941 :
942 : /* https://github.com/anza-xyz/agave/blob/16de8b75ebcd57022409b422de557dd37b1de8db/sdk/src/transaction/sanitized.rs#L263-L275
943 : TODO: Agave's precompile verification is done at the slot level, before batching and executing transactions. This logic should probably
944 : be moved in the future. The Agave call heirarchy looks something like this:
945 : process_single_slot
946 : v
947 : confirm_full_slot
948 : v
949 : confirm_slot_entries --------------------------------------------------->
950 : v v v
951 : verify_transaction ComputeBudget::process_instruction process_entries
952 : v v
953 : verify_precompiles process_batches
954 : v
955 : ...
956 : v
957 : load_and_execute_transactions
958 : v
959 : ...
960 : v
961 : load_accounts --> load_transaction_accounts
962 : v
963 : general transaction execution
964 :
965 : */
966 :
967 : /* Verify the transaction. For now, this step only involves processing
968 : the compute budget instructions. */
969 180 : int err = fd_executor_verify_transaction( bank, txn_in, txn_out );
970 180 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
971 3 : txn_out->err.is_committable = 0;
972 3 : return err;
973 3 : }
974 :
975 : /* Resolve and verify ALUT-referenced account keys, if applicable */
976 177 : err = fd_executor_setup_txn_alut_account_keys( runtime, bank, txn_in, txn_out );
977 177 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
978 0 : txn_out->err.is_committable = 0;
979 0 : return err;
980 0 : }
981 :
982 : /* Set up the transaction accounts and other txn ctx metadata */
983 177 : fd_executor_setup_accounts_for_txn( runtime, bank, txn_in, txn_out );
984 :
985 : /* Post-sanitization checks. Called from prepare_sanitized_batch()
986 : which, for now, only is used to lock the accounts and perform a
987 : couple basic validations.
988 : https://github.com/anza-xyz/agave/blob/838c1952595809a31520ff1603a13f2c9123aa51/accounts-db/src/account_locks.rs#L118 */
989 177 : err = fd_executor_validate_account_locks( bank, txn_out );
990 177 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
991 0 : txn_out->err.is_committable = 0;
992 0 : return err;
993 0 : }
994 :
995 : /* load_and_execute_transactions() -> check_transactions()
996 : https://github.com/anza-xyz/agave/blob/ced98f1ebe73f7e9691308afa757323003ff744f/runtime/src/bank.rs#L3667-L3672 */
997 177 : err = fd_executor_check_transactions( runtime, bank, txn_in, txn_out );
998 177 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
999 3 : txn_out->err.is_committable = 0;
1000 3 : return err;
1001 3 : }
1002 :
1003 : /* load_and_execute_sanitized_transactions() -> validate_fees() ->
1004 : validate_transaction_fee_payer()
1005 : https://github.com/anza-xyz/agave/blob/ced98f1ebe73f7e9691308afa757323003ff744f/svm/src/transaction_processor.rs#L236-L249 */
1006 174 : err = fd_executor_validate_transaction_fee_payer( runtime, bank, txn_in, txn_out );
1007 174 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
1008 0 : txn_out->err.is_committable = 0;
1009 0 : return err;
1010 0 : }
1011 :
1012 174 : txn_out->details.exec_start_timestamp = fd_tickcount();
1013 :
1014 : /* https://github.com/anza-xyz/agave/blob/ced98f1ebe73f7e9691308afa757323003ff744f/svm/src/transaction_processor.rs#L284-L296 */
1015 174 : err = fd_executor_load_transaction_accounts( runtime, bank, txn_in, txn_out );
1016 174 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
1017 : /* Regardless of whether transaction accounts were loaded successfully, the transaction is
1018 : included in the block and transaction fees are collected.
1019 : https://github.com/anza-xyz/agave/blob/v2.1.6/svm/src/transaction_processor.rs#L341-L357 */
1020 0 : txn_out->err.is_fees_only = 1;
1021 :
1022 : /* If the transaction fails to load, the "rollback" accounts will include one of the following:
1023 : 1. Nonce account only
1024 : 2. Fee payer only
1025 : 3. Nonce account + fee payer
1026 :
1027 : Because the cost tracker uses the loaded account data size in block cost calculations, we need to
1028 : make sure our calculated loaded accounts data size is conformant with Agave's.
1029 : https://github.com/anza-xyz/agave/blob/v2.1.14/runtime/src/bank.rs#L4116
1030 :
1031 : In any case, we should always add the dlen of the fee payer. */
1032 0 : txn_out->details.loaded_accounts_data_size = fd_accdb_ref_data_sz( txn_out->accounts.account[ FD_FEE_PAYER_TXN_IDX ].ro );
1033 :
1034 : /* Special case handling for if a nonce account is present in the transaction. */
1035 0 : if( txn_out->accounts.nonce_idx_in_txn!=ULONG_MAX ) {
1036 : /* If the nonce account is not the fee payer, then we separately add the dlen of the nonce account. Otherwise, we would
1037 : be double counting the dlen of the fee payer. */
1038 0 : if( txn_out->accounts.nonce_idx_in_txn!=FD_FEE_PAYER_TXN_IDX ) {
1039 0 : txn_out->details.loaded_accounts_data_size += txn_out->accounts.rollback_nonce->dlen;
1040 0 : }
1041 0 : }
1042 0 : }
1043 :
1044 : /*
1045 : The fee payer and the nonce account will be stored and hashed so
1046 : long as the transaction landed on chain, or, in Agave terminology,
1047 : the transaction was processed.
1048 : https://github.com/anza-xyz/agave/blob/v2.1.1/runtime/src/account_saver.rs#L72
1049 :
1050 : A transaction lands on chain in one of two ways:
1051 : (1) Passed fee validation and loaded accounts.
1052 : (2) Passed fee validation and failed to load accounts and the enable_transaction_loading_failure_fees feature is enabled as per
1053 : SIMD-0082 https://github.com/anza-xyz/feature-gate-tracker/issues/52
1054 :
1055 : So, at this point, the transaction is committable.
1056 : */
1057 :
1058 174 : return err;
1059 174 : }
1060 :
1061 : /* fd_runtime_finalize_account is a helper used to commit the data from
1062 : a writable transaction account back into the accountsdb. */
1063 :
1064 : static void
1065 : fd_runtime_finalize_account( fd_accdb_user_t * accdb,
1066 : fd_funk_txn_xid_t const * xid,
1067 : fd_pubkey_t const * pubkey,
1068 78 : fd_account_meta_t * meta ) {
1069 : /* FIXME if account doesn't change according to LtHash, don't update
1070 : database record */
1071 :
1072 78 : fd_accdb_rw_t rw[1];
1073 78 : int rw_ok = !!fd_accdb_open_rw(
1074 78 : accdb,
1075 78 : rw,
1076 78 : xid,
1077 78 : pubkey,
1078 78 : meta->dlen,
1079 78 : FD_ACCDB_FLAG_CREATE|FD_ACCDB_FLAG_TRUNCATE );
1080 78 : if( FD_UNLIKELY( !rw_ok ) ) FD_LOG_CRIT(( "fd_accdb_open_rw failed" ));
1081 :
1082 78 : void const * data = fd_account_data( meta );
1083 78 : fd_accdb_ref_lamports_set( rw, meta->lamports );
1084 78 : fd_accdb_ref_owner_set ( rw, meta->owner );
1085 78 : fd_accdb_ref_exec_bit_set( rw, meta->executable );
1086 78 : fd_accdb_ref_data_set ( accdb, rw, data, meta->dlen );
1087 78 : fd_accdb_ref_slot_set ( rw, xid->ul[0] );
1088 :
1089 78 : fd_accdb_close_rw( accdb, rw );
1090 78 : }
1091 :
1092 : /* fd_runtime_save_account persists a transaction account to the account
1093 : database and updates the bank lthash.
1094 :
1095 : This function:
1096 : - Loads the previous account revision
1097 : - Computes the LtHash of the previous revision
1098 : - Computes the LtHash of the new revision
1099 : - Removes/adds the previous/new revision's LtHash
1100 : - Saves the new version of the account to funk
1101 : - Sends updates to metrics and capture infra
1102 :
1103 : Returns FD_RUNTIME_SAVE_* */
1104 :
1105 : static int
1106 : fd_runtime_save_account( fd_accdb_user_t * accdb,
1107 : fd_funk_txn_xid_t const * xid,
1108 : fd_pubkey_t const * pubkey,
1109 : fd_account_meta_t * meta,
1110 : fd_bank_t * bank,
1111 90 : fd_capture_ctx_t * capture_ctx ) {
1112 90 : fd_lthash_value_t lthash_post[1];
1113 90 : fd_lthash_value_t lthash_prev[1];
1114 :
1115 : /* Update LtHash
1116 : - Query old version of account and hash it
1117 : - Hash new version of account */
1118 90 : fd_accdb_ro_t ro[1];
1119 90 : int old_exist = 0;
1120 90 : if( fd_accdb_open_ro( accdb, ro, xid, pubkey ) ) {
1121 81 : old_exist = fd_accdb_ref_lamports( ro )!=0UL;
1122 81 : fd_hashes_account_lthash(
1123 81 : pubkey,
1124 81 : ro->meta,
1125 81 : fd_accdb_ref_data_const( ro ),
1126 81 : lthash_prev );
1127 81 : fd_accdb_close_ro( accdb, ro );
1128 81 : } else {
1129 9 : old_exist = 0;
1130 9 : fd_lthash_zero( lthash_prev );
1131 9 : }
1132 90 : int new_exist = meta->lamports!=0UL;
1133 :
1134 90 : int save_type = (old_exist<<1) | (new_exist);
1135 90 : if( FD_LIKELY( old_exist || new_exist ) ) {
1136 81 : fd_hashes_update_lthash1( lthash_post, lthash_prev, pubkey, meta, bank, capture_ctx );
1137 : /* First 32 bytes equal BLAKE3_256 hash of the account */
1138 81 : if( 0!=memcmp( lthash_post->bytes, lthash_prev->bytes, 32UL ) ) {
1139 78 : fd_runtime_finalize_account( accdb, xid, pubkey, meta );
1140 78 : } else {
1141 3 : save_type = FD_RUNTIME_SAVE_UNCHANGED;
1142 3 : }
1143 81 : }
1144 :
1145 90 : return save_type;
1146 90 : }
1147 :
1148 : /* fd_runtime_commit_txn is a helper used by the non-tpool transaction
1149 : executor to finalize borrowed account changes back into funk. It also
1150 : handles txncache insertion and updates to the vote/stake cache.
1151 : TODO: This function should probably be moved to fd_executor.c. */
1152 :
1153 : void
1154 : fd_runtime_commit_txn( fd_runtime_t * runtime,
1155 : fd_bank_t * bank,
1156 48 : fd_txn_out_t * txn_out ) {
1157 :
1158 48 : if( FD_UNLIKELY( !txn_out->err.is_committable ) ) {
1159 0 : FD_LOG_CRIT(( "fd_runtime_commit_txn: transaction is not committable" ));
1160 0 : }
1161 :
1162 48 : txn_out->details.commit_start_timestamp = fd_tickcount();
1163 :
1164 : /* Release executable accounts */
1165 :
1166 48 : for( ulong i=0UL; i<runtime->accounts.executable_cnt; i++ ) {
1167 0 : fd_accdb_close_ro( runtime->accdb, &runtime->accounts.executable[i] );
1168 0 : }
1169 48 : runtime->accounts.executable_cnt = 0UL;
1170 :
1171 : /* Release read-only accounts */
1172 :
1173 165 : for( ulong i=0UL; i<txn_out->accounts.cnt; i++ ) {
1174 117 : if( !txn_out->accounts.is_writable[i] ) {
1175 27 : fd_accdb_close_ro( runtime->accdb, txn_out->accounts.account[i].ro );
1176 27 : }
1177 117 : }
1178 :
1179 48 : fd_funk_txn_xid_t xid = { .ul = { bank->f.slot, bank->idx } };
1180 :
1181 48 : if( FD_UNLIKELY( txn_out->err.txn_err ) ) {
1182 :
1183 : /* Save the fee_payer. Everything but the fee balance should be reset.
1184 : TODO: an optimization here could be to use a dirty flag in the
1185 : borrowed account. If the borrowed account data has been changed in
1186 : any way, then the full account can be rolled back as it is done now.
1187 : However, most of the time the account data is not changed, and only
1188 : the lamport balance has to change. */
1189 :
1190 : /* With nonce account rollbacks, there are three cases:
1191 : 1. No nonce account in the transaction
1192 : 2. Nonce account is the fee payer
1193 : 3. Nonce account is not the fee payer
1194 :
1195 : We should always rollback the nonce account first. Note that the nonce account may be the fee payer (case 2). */
1196 0 : if( txn_out->accounts.nonce_idx_in_txn!=ULONG_MAX ) {
1197 0 : int save_type =
1198 0 : fd_runtime_save_account(
1199 0 : runtime->accdb,
1200 0 : &xid,
1201 0 : &txn_out->accounts.keys[txn_out->accounts.nonce_idx_in_txn],
1202 0 : txn_out->accounts.rollback_nonce,
1203 0 : bank,
1204 0 : runtime->log.capture_ctx );
1205 0 : runtime->metrics.txn_account_save[ save_type ]++;
1206 0 : }
1207 : /* Now, we must only save the fee payer if the nonce account was not the fee payer (because that was already saved above) */
1208 0 : if( FD_LIKELY( txn_out->accounts.nonce_idx_in_txn!=FD_FEE_PAYER_TXN_IDX ) ) {
1209 0 : int save_type =
1210 0 : fd_runtime_save_account(
1211 0 : runtime->accdb,
1212 0 : &xid,
1213 0 : &txn_out->accounts.keys[FD_FEE_PAYER_TXN_IDX],
1214 0 : txn_out->accounts.rollback_fee_payer,
1215 0 : bank,
1216 0 : runtime->log.capture_ctx );
1217 0 : runtime->metrics.txn_account_save[ save_type ]++;
1218 0 : }
1219 48 : } else {
1220 :
1221 :
1222 48 : fd_top_votes_t * top_votes = fd_bank_top_votes_t_2_modify( bank );
1223 165 : for( ushort i=0; i<txn_out->accounts.cnt; i++ ) {
1224 : /* We are only interested in saving writable accounts and the fee
1225 : payer account. */
1226 117 : if( !txn_out->accounts.is_writable[i] ) {
1227 27 : continue;
1228 27 : }
1229 :
1230 90 : fd_pubkey_t const * pubkey = &txn_out->accounts.keys[i];
1231 90 : fd_accdb_rw_t * account = &txn_out->accounts.account[i];
1232 :
1233 90 : if( txn_out->accounts.stake_update[i] ) {
1234 3 : fd_stakes_update_stake_delegation( pubkey, account->meta, bank );
1235 3 : }
1236 :
1237 90 : if( txn_out->accounts.new_vote[i] &&
1238 90 : !FD_FEATURE_ACTIVE_BANK( bank, validator_admission_ticket ) ) {
1239 0 : fd_new_votes_t * new_votes = fd_bank_new_votes( bank );
1240 0 : fd_new_votes_insert( new_votes, bank->new_votes_fork_id, pubkey );
1241 0 : }
1242 90 : if( txn_out->accounts.rm_vote[i] &&
1243 90 : !FD_FEATURE_ACTIVE_BANK( bank, validator_admission_ticket ) ) {
1244 0 : fd_new_votes_t * new_votes = fd_bank_new_votes( bank );
1245 0 : fd_new_votes_remove( new_votes, bank->new_votes_fork_id, pubkey );
1246 0 : }
1247 :
1248 90 : if( txn_out->accounts.vote_update[i] ) {
1249 0 : fd_vote_block_timestamp_t last_vote;
1250 0 : if( FD_UNLIKELY( fd_accdb_ref_lamports( account->ro )==0UL ||
1251 0 : !fd_vsv_is_correct_size_owner_and_init( account->meta ) ||
1252 0 : fd_vote_account_last_timestamp( fd_account_data( account->meta ), account->meta->dlen, &last_vote ) ) ) {
1253 0 : fd_top_votes_invalidate( top_votes, pubkey );
1254 0 : } else {
1255 0 : fd_top_votes_update( top_votes, pubkey, last_vote.slot, last_vote.timestamp );
1256 0 : }
1257 0 : }
1258 :
1259 90 : int save_type = fd_runtime_save_account( runtime->accdb, &xid, pubkey, account->meta, bank, runtime->log.capture_ctx );
1260 90 : runtime->metrics.txn_account_save[ save_type ]++;
1261 90 : }
1262 :
1263 : /* Atomically add all accumulated tips to the bank once after processing all accounts */
1264 48 : if( txn_out->details.tips>0UL )
1265 0 : FD_ATOMIC_FETCH_AND_ADD( &bank->f.tips, txn_out->details.tips );
1266 48 : }
1267 :
1268 : /* Accumulate block-level information to the bank. */
1269 :
1270 48 : FD_ATOMIC_FETCH_AND_ADD( &bank->f.txn_count, 1UL );
1271 48 : FD_ATOMIC_FETCH_AND_ADD( &bank->f.execution_fees, txn_out->details.execution_fee );
1272 48 : FD_ATOMIC_FETCH_AND_ADD( &bank->f.priority_fees, txn_out->details.priority_fee );
1273 48 : FD_ATOMIC_FETCH_AND_ADD( &bank->f.signature_count, txn_out->details.signature_count );
1274 :
1275 48 : if( !txn_out->details.is_simple_vote ) {
1276 48 : FD_ATOMIC_FETCH_AND_ADD( &bank->f.nonvote_txn_count, 1 );
1277 48 : if( FD_UNLIKELY( txn_out->err.exec_err ) ) {
1278 0 : FD_ATOMIC_FETCH_AND_ADD( &bank->f.nonvote_failed_txn_count, 1 );
1279 0 : }
1280 48 : }
1281 :
1282 48 : if( FD_UNLIKELY( txn_out->err.exec_err ) ) {
1283 0 : FD_ATOMIC_FETCH_AND_ADD( &bank->f.failed_txn_count, 1 );
1284 0 : }
1285 :
1286 48 : FD_ATOMIC_FETCH_AND_ADD( &bank->f.total_compute_units_used, txn_out->details.compute_budget.compute_unit_limit - txn_out->details.compute_budget.compute_meter );
1287 :
1288 : /* Update the cost tracker. */
1289 :
1290 48 : fd_cost_tracker_t * cost_tracker = fd_bank_cost_tracker_modify( bank );
1291 48 : int res = fd_cost_tracker_try_add_cost( cost_tracker, txn_out );
1292 48 : if( FD_UNLIKELY( res!=FD_COST_TRACKER_SUCCESS ) ) {
1293 0 : FD_LOG_DEBUG(( "fd_runtime_commit_txn: transaction failed to fit into block %d", res ));
1294 0 : txn_out->err.is_committable = 0;
1295 0 : txn_out->err.txn_err = fd_cost_tracker_err_to_runtime_err( res );
1296 0 : }
1297 :
1298 : /* Finally, update the status cache. */
1299 :
1300 48 : if( FD_LIKELY( runtime->status_cache && txn_out->accounts.nonce_idx_in_txn==ULONG_MAX ) ) {
1301 : /* In Agave, durable nonce transactions are inserted to the status
1302 : cache the same as any others, but this is only to serve RPC
1303 : requests, they do not need to be in there for correctness as the
1304 : nonce mechanism itself prevents double spend. We skip this logic
1305 : entirely to simplify and improve performance of the txn cache. */
1306 :
1307 0 : fd_txncache_insert( runtime->status_cache, bank->txncache_fork_id, txn_out->details.blockhash.uc, txn_out->details.blake_txn_msg_hash.uc );
1308 0 : }
1309 :
1310 165 : for( ushort i=0; i<txn_out->accounts.cnt; i++ ) {
1311 117 : if( txn_out->accounts.is_writable[i] ) {
1312 90 : fd_acc_pool_release( runtime->acc_pool, fd_type_pun( txn_out->accounts.account[i].meta ) );
1313 90 : }
1314 117 : }
1315 :
1316 48 : fd_acc_pool_release( runtime->acc_pool, txn_out->accounts.rollback_nonce_mem );
1317 48 : fd_acc_pool_release( runtime->acc_pool, txn_out->accounts.rollback_fee_payer_mem );
1318 48 : }
1319 :
1320 : void
1321 : fd_runtime_cancel_txn( fd_runtime_t * runtime,
1322 45 : fd_txn_out_t * txn_out ) {
1323 :
1324 45 : if( FD_UNLIKELY( txn_out->err.is_committable ) ) {
1325 0 : FD_LOG_CRIT(( "fd_runtime_cancel_txn: transaction is committable" ));
1326 0 : }
1327 :
1328 45 : if( !txn_out->accounts.is_setup ) {
1329 0 : return;
1330 0 : }
1331 :
1332 48 : for( ulong i=0UL; i<runtime->accounts.executable_cnt; i++ ) {
1333 3 : fd_accdb_close_ro( runtime->accdb, &runtime->accounts.executable[i] );
1334 3 : }
1335 45 : runtime->accounts.executable_cnt = 0UL;
1336 :
1337 204 : for( ushort i=0; i<txn_out->accounts.cnt; i++ ) {
1338 159 : if( txn_out->accounts.is_writable[i] ) {
1339 90 : fd_acc_pool_release( runtime->acc_pool, fd_type_pun( txn_out->accounts.account[i].meta ) );
1340 90 : } else {
1341 69 : fd_accdb_close_ro( runtime->accdb, txn_out->accounts.account[i].ro );
1342 69 : }
1343 159 : }
1344 :
1345 45 : fd_acc_pool_release( runtime->acc_pool, txn_out->accounts.rollback_nonce_mem );
1346 45 : fd_acc_pool_release( runtime->acc_pool, txn_out->accounts.rollback_fee_payer_mem );
1347 45 : }
1348 :
1349 : static inline void
1350 180 : fd_runtime_reset_runtime( fd_runtime_t * runtime ) {
1351 180 : runtime->instr.stack_sz = 0;
1352 180 : runtime->instr.trace_length = 0UL;
1353 : /* The only condition where the executable count of the current
1354 : runtime is not 0 is when a bundle of transaction is being executed.
1355 : In this case, close any outstanding executable accounts. */
1356 183 : for( ulong i=0UL; i<runtime->accounts.executable_cnt; i++ ) {
1357 3 : fd_accdb_close_ro( runtime->accdb, &runtime->accounts.executable[i] );
1358 3 : }
1359 180 : runtime->accounts.executable_cnt = 0UL;
1360 :
1361 180 : }
1362 :
1363 : static inline void
1364 : fd_runtime_new_txn_out( fd_txn_in_t const * txn_in,
1365 180 : fd_txn_out_t * txn_out ) {
1366 180 : txn_out->details.prep_start_timestamp = fd_tickcount();
1367 180 : txn_out->details.load_start_timestamp = LONG_MAX;
1368 180 : txn_out->details.exec_start_timestamp = LONG_MAX;
1369 180 : txn_out->details.commit_start_timestamp = LONG_MAX;
1370 :
1371 180 : fd_compute_budget_details_new( &txn_out->details.compute_budget );
1372 :
1373 180 : txn_out->details.loaded_accounts_data_size = 0UL;
1374 180 : txn_out->details.accounts_resize_delta = 0L;
1375 :
1376 180 : txn_out->details.return_data.len = 0UL;
1377 180 : memset( txn_out->details.return_data.program_id.key, 0, sizeof(fd_pubkey_t) );
1378 :
1379 180 : txn_out->details.tips = 0UL;
1380 180 : txn_out->details.execution_fee = 0UL;
1381 180 : txn_out->details.priority_fee = 0UL;
1382 180 : txn_out->details.signature_count = 0UL;
1383 :
1384 180 : txn_out->details.signature_count = TXN( txn_in->txn )->signature_cnt;
1385 180 : txn_out->details.is_simple_vote = fd_txn_is_simple_vote_transaction( TXN( txn_in->txn ), txn_in->txn->payload );
1386 :
1387 180 : fd_hash_t * blockhash = (fd_hash_t *)((uchar *)txn_in->txn->payload + TXN( txn_in->txn )->recent_blockhash_off);
1388 180 : memcpy( txn_out->details.blockhash.uc, blockhash->hash, sizeof(fd_hash_t) );
1389 :
1390 180 : txn_out->accounts.is_setup = 0;
1391 180 : txn_out->accounts.cnt = 0UL;
1392 180 : txn_out->accounts.rollback_nonce = NULL;
1393 180 : txn_out->accounts.rollback_fee_payer = NULL;
1394 180 : memset( txn_out->accounts.stake_update, 0, sizeof(txn_out->accounts.stake_update) );
1395 180 : memset( txn_out->accounts.vote_update, 0, sizeof(txn_out->accounts.vote_update) );
1396 180 : memset( txn_out->accounts.new_vote, 0, sizeof(txn_out->accounts.new_vote) );
1397 180 : memset( txn_out->accounts.rm_vote, 0, sizeof(txn_out->accounts.rm_vote) );
1398 :
1399 180 : txn_out->err.is_committable = 1;
1400 180 : txn_out->err.is_fees_only = 0;
1401 180 : txn_out->err.txn_err = FD_RUNTIME_EXECUTE_SUCCESS;
1402 180 : txn_out->err.exec_err = FD_EXECUTOR_INSTR_SUCCESS;
1403 180 : txn_out->err.exec_err_kind = FD_EXECUTOR_ERR_KIND_NONE;
1404 180 : txn_out->err.exec_err_idx = INT_MAX;
1405 180 : txn_out->err.custom_err = 0;
1406 180 : }
1407 :
1408 : void
1409 : fd_runtime_prepare_and_execute_txn( fd_runtime_t * runtime,
1410 : fd_bank_t * bank,
1411 : fd_txn_in_t const * txn_in,
1412 180 : fd_txn_out_t * txn_out ) {
1413 :
1414 180 : fd_runtime_reset_runtime( runtime );
1415 :
1416 180 : fd_runtime_new_txn_out( txn_in, txn_out );
1417 :
1418 : /* Set up the core account keys before any pre-execution checks.
1419 : This is needed both for execution and for protobuf context
1420 : dumping. */
1421 180 : fd_executor_setup_txn_account_keys( txn_in, txn_out );
1422 :
1423 180 : uchar dump_txn = !!( runtime->log.dump_proto_ctx &&
1424 180 : bank->f.slot >= runtime->log.dump_proto_ctx->dump_proto_start_slot &&
1425 180 : runtime->log.dump_proto_ctx->dump_txn_to_pb );
1426 :
1427 : /* Phase 1: Capture TxnContext before execution. */
1428 180 : if( FD_UNLIKELY( dump_txn ) ) {
1429 0 : if( runtime->log.txn_dump_ctx ) {
1430 0 : fd_dump_txn_context_to_protobuf( runtime->log.txn_dump_ctx, runtime, bank, txn_in, txn_out );
1431 0 : } else {
1432 0 : fd_dump_txn_to_protobuf( runtime, bank, txn_in, txn_out );
1433 0 : }
1434 0 : }
1435 :
1436 : /* Transaction sanitization. If a transaction can't be commited or is
1437 : fees-only, we return early. */
1438 180 : txn_out->err.txn_err = fd_runtime_pre_execute_check( runtime, bank, txn_in, txn_out );
1439 180 : ulong cu_before = txn_out->details.compute_budget.compute_meter;
1440 :
1441 : /* Execute the transaction if eligible to do so. */
1442 180 : if( FD_LIKELY( txn_out->err.is_committable ) ) {
1443 174 : if( FD_LIKELY( !txn_out->err.is_fees_only ) ) {
1444 174 : txn_out->err.txn_err = fd_execute_txn( runtime, bank, txn_in, txn_out );
1445 174 : }
1446 174 : fd_cost_tracker_calculate_cost( bank, txn_in, txn_out );
1447 174 : }
1448 180 : ulong cu_after = txn_out->details.compute_budget.compute_meter;
1449 180 : runtime->metrics.cu_cum += fd_ulong_sat_sub( cu_before, cu_after );
1450 :
1451 : /* Phase 2: Capture TxnResult after execution and write to disk. */
1452 180 : if( FD_UNLIKELY( dump_txn && runtime->log.txn_dump_ctx ) ) {
1453 0 : fd_dump_txn_result_to_protobuf( runtime->log.txn_dump_ctx, txn_in, txn_out, txn_out->err.txn_err );
1454 0 : fd_dump_txn_fixture_to_file( runtime->log.txn_dump_ctx, runtime->log.dump_proto_ctx, txn_in );
1455 0 : }
1456 180 : }
1457 :
1458 : /* fd_executor_txn_verify and fd_runtime_pre_execute_check are responisble
1459 : for the bulk of the pre-transaction execution checks in the runtime.
1460 : They aim to preserve the ordering present in the Agave client to match
1461 : parity in terms of error codes. Sigverify is kept separate from the rest
1462 : of the transaction checks for fuzzing convenience.
1463 :
1464 : For reference this is the general code path which contains all relevant
1465 : pre-transactions checks in the v2.0.x Agave client from upstream
1466 : to downstream is as follows:
1467 :
1468 : confirm_slot_entries() which calls verify_ticks() and
1469 : verify_transaction(). verify_transaction() calls verify_and_hash_message()
1470 : and verify_precompiles() which parallels fd_executor_txn_verify() and
1471 : fd_executor_verify_transaction().
1472 :
1473 : process_entries() contains a duplicate account check which is part of
1474 : agave account lock acquiring. This is checked inline in
1475 : fd_runtime_pre_execute_check().
1476 :
1477 : load_and_execute_transactions() contains the function check_transactions().
1478 : This contains check_age() and check_status_cache() which is paralleled by
1479 : fd_executor_check_transaction_age_and_compute_budget_limits() and
1480 : fd_executor_check_status_cache() respectively.
1481 :
1482 : load_and_execute_sanitized_transactions() contains validate_fees()
1483 : which is responsible for executing the compute budget instructions,
1484 : validating the fee payer and collecting the fee. This is mirrored in
1485 : firedancer with fd_executor_compute_budget_program_execute_instructions()
1486 : and fd_executor_collect_fees(). load_and_execute_sanitized_transactions()
1487 : also checks the total data size of the accounts in load_accounts() and
1488 : validates the program accounts in load_transaction_accounts(). This
1489 : is paralled by fd_executor_load_transaction_accounts(). */
1490 :
1491 :
1492 : /******************************************************************************/
1493 : /* Genesis */
1494 : /*******************************************************************************/
1495 :
1496 : static void
1497 : fd_runtime_genesis_init_program( fd_bank_t * bank,
1498 : fd_accdb_user_t * accdb,
1499 : fd_funk_txn_xid_t const * xid,
1500 0 : fd_capture_ctx_t * capture_ctx ) {
1501 :
1502 0 : fd_sysvar_clock_init( bank, accdb, xid, capture_ctx );
1503 0 : fd_sysvar_rent_init( bank, accdb, xid, capture_ctx );
1504 :
1505 0 : fd_sysvar_slot_history_init( bank, accdb, xid, capture_ctx );
1506 0 : fd_sysvar_epoch_schedule_init( bank, accdb, xid, capture_ctx );
1507 0 : fd_sysvar_recent_hashes_init( bank, accdb, xid, capture_ctx );
1508 0 : fd_sysvar_stake_history_init( bank, accdb, xid, capture_ctx );
1509 0 : fd_sysvar_last_restart_slot_init( bank, accdb, xid, capture_ctx );
1510 :
1511 0 : fd_builtin_programs_init( bank, accdb, xid, capture_ctx );
1512 0 : }
1513 :
1514 : static void
1515 : fd_runtime_init_bank_from_genesis( fd_banks_t * banks,
1516 : fd_bank_t * bank,
1517 : fd_runtime_stack_t * runtime_stack,
1518 : fd_accdb_user_t * accdb,
1519 : fd_funk_txn_xid_t const * xid,
1520 : fd_genesis_t const * genesis,
1521 : uchar const * genesis_blob,
1522 0 : fd_hash_t const * genesis_hash ) {
1523 :
1524 0 : bank->f.parent_slot = ULONG_MAX;
1525 0 : bank->f.poh = *genesis_hash;
1526 :
1527 0 : fd_hash_t * bank_hash = &bank->f.bank_hash;
1528 0 : memset( bank_hash->hash, 0, FD_SHA256_HASH_SZ );
1529 :
1530 0 : uint128 target_tick_duration = (uint128)genesis->poh.tick_duration_secs * 1000000000UL + (uint128)genesis->poh.tick_duration_ns;
1531 :
1532 0 : fd_epoch_schedule_t * epoch_schedule = &bank->f.epoch_schedule;
1533 0 : epoch_schedule->leader_schedule_slot_offset = genesis->epoch_schedule.leader_schedule_slot_offset;
1534 0 : epoch_schedule->warmup = genesis->epoch_schedule.warmup;
1535 0 : epoch_schedule->first_normal_epoch = genesis->epoch_schedule.first_normal_epoch;
1536 0 : epoch_schedule->first_normal_slot = genesis->epoch_schedule.first_normal_slot;
1537 0 : epoch_schedule->slots_per_epoch = genesis->epoch_schedule.slots_per_epoch;
1538 :
1539 0 : fd_rent_t * rent = &bank->f.rent;
1540 0 : rent->lamports_per_uint8_year = genesis->rent.lamports_per_uint8_year;
1541 0 : rent->exemption_threshold = genesis->rent.exemption_threshold;
1542 0 : rent->burn_percent = genesis->rent.burn_percent;
1543 :
1544 0 : fd_inflation_t * inflation = &bank->f.inflation;
1545 0 : inflation->initial = genesis->inflation.initial;
1546 0 : inflation->terminal = genesis->inflation.terminal;
1547 0 : inflation->taper = genesis->inflation.taper;
1548 0 : inflation->foundation = genesis->inflation.foundation;
1549 0 : inflation->foundation_term = genesis->inflation.foundation_term;
1550 0 : inflation->unused = 0.0;
1551 :
1552 0 : bank->f.block_height = 0UL;
1553 :
1554 0 : {
1555 : /* FIXME Why is there a previous blockhash at genesis? Why is the
1556 : last_hash field an option type in Agave, if even the first
1557 : real block has a previous blockhash? */
1558 0 : fd_blockhashes_t * bhq = fd_blockhashes_init( &bank->f.block_hash_queue, 0UL );
1559 0 : fd_blockhash_info_t * info = fd_blockhashes_push_new( bhq, genesis_hash );
1560 0 : info->lamports_per_signature = 0UL;
1561 0 : }
1562 :
1563 0 : fd_fee_rate_governor_t * fee_rate_governor = &bank->f.fee_rate_governor;
1564 0 : fee_rate_governor->target_lamports_per_signature = genesis->fee_rate_governor.target_lamports_per_signature;
1565 0 : fee_rate_governor->target_signatures_per_slot = genesis->fee_rate_governor.target_signatures_per_slot;
1566 0 : fee_rate_governor->min_lamports_per_signature = genesis->fee_rate_governor.min_lamports_per_signature;
1567 0 : fee_rate_governor->max_lamports_per_signature = genesis->fee_rate_governor.max_lamports_per_signature;
1568 0 : fee_rate_governor->burn_percent = genesis->fee_rate_governor.burn_percent;
1569 :
1570 0 : bank->f.max_tick_height = genesis->poh.ticks_per_slot * (bank->f.slot + 1);
1571 :
1572 0 : bank->f.hashes_per_tick = genesis->poh.hashes_per_tick;
1573 :
1574 0 : bank->f.ns_per_slot = (fd_w_u128_t) { .ud=target_tick_duration * genesis->poh.ticks_per_slot };
1575 :
1576 0 : bank->f.ticks_per_slot = genesis->poh.ticks_per_slot;
1577 :
1578 0 : bank->f.genesis_creation_time = genesis->creation_time;
1579 :
1580 0 : bank->f.slots_per_year = SECONDS_PER_YEAR * (1000000000.0 / (double)target_tick_duration) / (double)genesis->poh.ticks_per_slot;
1581 :
1582 0 : bank->f.signature_count = 0UL;
1583 :
1584 : /* Derive epoch stakes */
1585 :
1586 0 : fd_stake_delegations_t * stake_delegations = fd_banks_stake_delegations_root_query( banks );
1587 0 : if( FD_UNLIKELY( !stake_delegations ) ) {
1588 0 : FD_LOG_CRIT(( "Failed to join and new a stake delegations" ));
1589 0 : }
1590 :
1591 0 : ulong capitalization = 0UL;
1592 :
1593 0 : for( ulong i=0UL; i<genesis->account_cnt; i++ ) {
1594 0 : fd_genesis_account_t account[1];
1595 0 : fd_genesis_account( genesis, genesis_blob, account, i );
1596 :
1597 0 : capitalization = fd_ulong_sat_add( capitalization, account->meta.lamports );
1598 :
1599 0 : uchar const * acc_data = account->data;
1600 :
1601 0 : if( !memcmp( account->meta.owner, fd_solana_stake_program_id.key, sizeof(fd_pubkey_t) ) ) {
1602 : /* If an account is a stake account, then it must be added to the
1603 : stake delegations cache. We should only add stake accounts that
1604 : have a valid non-zero stake. */
1605 0 : fd_stake_state_t const * stake_state = fd_stake_state_view( acc_data, account->meta.dlen );
1606 0 : if( FD_UNLIKELY( !stake_state ) ) { FD_BASE58_ENCODE_32_BYTES( account->pubkey.uc, stake_b58 ); FD_LOG_ERR(( "invalid stake account %s", stake_b58 )); }
1607 0 : if( stake_state->stake_type!=FD_STAKE_STATE_STAKE ) continue;
1608 0 : if( !stake_state->stake.stake.delegation.stake ) continue;
1609 :
1610 0 : fd_stake_delegations_root_update(
1611 0 : stake_delegations,
1612 0 : &account->pubkey,
1613 0 : &stake_state->stake.stake.delegation.voter_pubkey,
1614 0 : stake_state->stake.stake.delegation.stake,
1615 0 : stake_state->stake.stake.delegation.activation_epoch,
1616 0 : stake_state->stake.stake.delegation.deactivation_epoch,
1617 0 : stake_state->stake.stake.credits_observed,
1618 0 : FD_STAKE_DELEGATIONS_WARMUP_COOLDOWN_RATE_ENUM_025 /* genesis is epoch 0, always 0.25 */ );
1619 :
1620 0 : } else if( !memcmp( account->meta.owner, fd_solana_feature_program_id.key, sizeof(fd_pubkey_t) ) ) {
1621 : /* Feature Account */
1622 :
1623 : /* Scan list of feature IDs to resolve address=>feature offset */
1624 0 : fd_feature_id_t const *found = NULL;
1625 0 : for( fd_feature_id_t const * id = fd_feature_iter_init();
1626 0 : !fd_feature_iter_done( id );
1627 0 : id = fd_feature_iter_next( id ) ) {
1628 0 : if( fd_pubkey_eq( &account->pubkey, &id->id ) ) {
1629 0 : found = id;
1630 0 : break;
1631 0 : }
1632 0 : }
1633 :
1634 0 : if( found ) {
1635 : /* Load feature activation */
1636 0 : fd_feature_t feature[1];
1637 0 : if( FD_UNLIKELY( !fd_feature_decode( feature, acc_data, account->meta.dlen ) ) ) {
1638 0 : FD_BASE58_ENCODE_32_BYTES( account->pubkey.uc, addr_b58 );
1639 0 : FD_LOG_WARNING(( "genesis contains corrupt feature account %s", addr_b58 ));
1640 0 : FD_LOG_HEXDUMP_ERR(( "data", acc_data, account->meta.dlen ));
1641 0 : }
1642 0 : fd_features_t * features = &bank->f.features;
1643 0 : if( feature->is_active ) {
1644 0 : FD_BASE58_ENCODE_32_BYTES( account->pubkey.uc, pubkey_b58 );
1645 0 : FD_LOG_DEBUG(( "feature %s activated at slot %lu (genesis)", pubkey_b58, feature->activation_slot ));
1646 0 : fd_features_set( features, found, feature->activation_slot );
1647 0 : } else {
1648 0 : FD_BASE58_ENCODE_32_BYTES( account->pubkey.uc, pubkey_b58 );
1649 0 : FD_LOG_DEBUG(( "feature %s not activated (genesis)", pubkey_b58 ));
1650 0 : fd_features_set( features, found, ULONG_MAX );
1651 0 : }
1652 0 : }
1653 0 : }
1654 0 : }
1655 :
1656 : /* fd_refresh_vote_accounts is responsible for updating the vote
1657 : states with the total amount of active delegated stake. It does
1658 : this by iterating over all active stake delegations and summing up
1659 : the amount of stake that is delegated to each vote account. */
1660 :
1661 0 : ulong new_rate_activation_epoch = 0UL;
1662 :
1663 0 : fd_stake_history_t stake_history[1];
1664 0 : fd_sysvar_stake_history_read( accdb, xid, stake_history );
1665 :
1666 0 : fd_refresh_vote_accounts(
1667 0 : bank,
1668 0 : accdb,
1669 0 : xid,
1670 0 : runtime_stack,
1671 0 : stake_delegations,
1672 0 : stake_history,
1673 0 : &new_rate_activation_epoch );
1674 :
1675 0 : fd_vote_stakes_t * vote_stakes = fd_bank_vote_stakes( bank );
1676 0 : fd_vote_stakes_genesis_fini( vote_stakes );
1677 :
1678 0 : bank->f.epoch = 0UL;
1679 :
1680 0 : bank->f.capitalization = capitalization;
1681 0 : }
1682 :
1683 : static int
1684 : fd_runtime_process_genesis_block( fd_bank_t * bank,
1685 : fd_accdb_user_t * accdb,
1686 : fd_funk_txn_xid_t const * xid,
1687 : fd_capture_ctx_t * capture_ctx,
1688 0 : fd_runtime_stack_t * runtime_stack ) {
1689 :
1690 0 : fd_hash_t * poh = &bank->f.poh;
1691 0 : ulong hashcnt_per_slot = bank->f.hashes_per_tick * bank->f.ticks_per_slot;
1692 0 : while( hashcnt_per_slot-- ) {
1693 0 : fd_sha256_hash( poh->hash, sizeof(fd_hash_t), poh->hash );
1694 0 : }
1695 :
1696 0 : bank->f.execution_fees = 0UL;
1697 :
1698 0 : bank->f.priority_fees = 0UL;
1699 :
1700 0 : bank->f.signature_count = 0UL;
1701 :
1702 0 : bank->f.txn_count = 0UL;
1703 :
1704 0 : bank->f.failed_txn_count = 0UL;
1705 :
1706 0 : bank->f.nonvote_failed_txn_count = 0UL;
1707 :
1708 0 : bank->f.total_compute_units_used = 0UL;
1709 :
1710 0 : fd_runtime_genesis_init_program( bank, accdb, xid, capture_ctx );
1711 :
1712 0 : fd_sysvar_slot_history_update( bank, accdb, xid, capture_ctx );
1713 :
1714 0 : fd_runtime_update_leaders( bank, runtime_stack );
1715 :
1716 0 : fd_runtime_freeze( bank, accdb, capture_ctx );
1717 :
1718 0 : fd_lthash_value_t const * lthash = fd_bank_lthash_locking_query( bank );
1719 :
1720 0 : fd_hash_t const * prev_bank_hash = &bank->f.bank_hash;
1721 :
1722 0 : fd_hash_t * bank_hash = &bank->f.bank_hash;
1723 0 : fd_hashes_hash_bank(
1724 0 : lthash,
1725 0 : prev_bank_hash,
1726 0 : (fd_hash_t *)bank->f.poh.hash,
1727 0 : 0UL,
1728 0 : bank_hash );
1729 :
1730 0 : fd_bank_lthash_end_locking_query( bank );
1731 :
1732 0 : return FD_RUNTIME_EXECUTE_SUCCESS;
1733 0 : }
1734 :
1735 : void
1736 : fd_runtime_read_genesis( fd_banks_t * banks,
1737 : fd_bank_t * bank,
1738 : fd_accdb_user_t * accdb,
1739 : fd_funk_txn_xid_t const * xid,
1740 : fd_capture_ctx_t * capture_ctx,
1741 : fd_hash_t const * genesis_hash,
1742 : fd_lthash_value_t const * genesis_lthash,
1743 : fd_genesis_t const * genesis,
1744 : uchar const * genesis_blob,
1745 0 : fd_runtime_stack_t * runtime_stack ) {
1746 :
1747 0 : fd_lthash_value_t * lthash = fd_bank_lthash_locking_modify( bank );
1748 0 : *lthash = *genesis_lthash;
1749 0 : fd_bank_lthash_end_locking_modify( bank );
1750 :
1751 : /* Once the accounts have been loaded from the genesis config into
1752 : the accounts db, we can initialize the bank state. This involves
1753 : setting some fields, and notably setting up the vote and stake
1754 : caches which are used for leader scheduling/rewards. */
1755 :
1756 0 : fd_runtime_init_bank_from_genesis( banks, bank, runtime_stack, accdb, xid, genesis, genesis_blob, genesis_hash );
1757 :
1758 : /* Write the native programs to the accounts db. */
1759 :
1760 0 : for( ulong i=0UL; i<genesis->builtin_cnt; i++ ) {
1761 0 : fd_genesis_builtin_t builtin[1];
1762 0 : fd_genesis_builtin( genesis, genesis_blob, builtin, i );
1763 0 : fd_write_builtin_account( bank, accdb, xid, capture_ctx, builtin->pubkey, builtin->data, builtin->dlen );
1764 0 : }
1765 :
1766 0 : fd_features_restore( bank, accdb, xid );
1767 :
1768 : /* At this point, state related to the bank and the accounts db
1769 : have been initialized and we are free to finish executing the
1770 : block. In practice, this updates some bank fields (notably the
1771 : poh and bank hash). */
1772 :
1773 0 : int err = fd_runtime_process_genesis_block( bank, accdb, xid, capture_ctx, runtime_stack );
1774 0 : if( FD_UNLIKELY( err ) ) FD_LOG_CRIT(( "genesis slot 0 execute failed with error %d", err ));
1775 0 : }
1776 :
1777 : void
1778 : fd_runtime_block_execute_finalize( fd_bank_t * bank,
1779 : fd_accdb_user_t * accdb,
1780 78 : fd_capture_ctx_t * capture_ctx ) {
1781 :
1782 : /* This slot is now "frozen" and can't be changed anymore. */
1783 78 : fd_runtime_freeze( bank, accdb, capture_ctx );
1784 :
1785 78 : fd_runtime_update_bank_hash( bank, capture_ctx );
1786 78 : }
1787 :
1788 :
1789 : /* Mirrors Agave function solana_sdk::transaction_context::find_index_of_account
1790 :
1791 : Backward scan over transaction accounts.
1792 : Returns -1 if not found.
1793 :
1794 : https://github.com/anza-xyz/agave/blob/v2.1.14/sdk/src/transaction_context.rs#L233-L238 */
1795 :
1796 : int
1797 : fd_runtime_find_index_of_account( fd_txn_out_t const * txn_out,
1798 10311 : fd_pubkey_t const * pubkey ) {
1799 24498 : for( ulong i=txn_out->accounts.cnt; i>0UL; i-- ) {
1800 21894 : if( 0==memcmp( pubkey, &txn_out->accounts.keys[ i-1UL ], sizeof(fd_pubkey_t) ) ) {
1801 7707 : return (int)(i-1UL);
1802 7707 : }
1803 21894 : }
1804 2604 : return -1;
1805 10311 : }
1806 :
1807 : fd_accdb_ref_t *
1808 : fd_runtime_get_account_at_index( fd_txn_in_t const * txn_in,
1809 : fd_txn_out_t * txn_out,
1810 : ushort idx,
1811 23472 : fd_txn_account_condition_fn_t * condition ) {
1812 23472 : if( FD_UNLIKELY( idx>=txn_out->accounts.cnt ) ) {
1813 0 : return NULL;
1814 0 : }
1815 :
1816 23472 : if( FD_LIKELY( condition != NULL ) ) {
1817 816 : if( FD_UNLIKELY( !condition( txn_in, txn_out, idx ) ) ) {
1818 21 : return NULL;
1819 21 : }
1820 816 : }
1821 :
1822 23451 : return txn_out->accounts.account[ idx ].ref;
1823 23472 : }
1824 :
1825 : fd_accdb_ref_t *
1826 : fd_runtime_get_account_with_key( fd_txn_in_t const * txn_in,
1827 : fd_txn_out_t * txn_out,
1828 : fd_pubkey_t const * pubkey,
1829 : int * index_out,
1830 0 : fd_txn_account_condition_fn_t * condition ) {
1831 0 : int index = fd_runtime_find_index_of_account( txn_out, pubkey );
1832 0 : if( FD_UNLIKELY( index<0 ) ) return NULL;
1833 :
1834 0 : *index_out = index;
1835 :
1836 0 : return fd_runtime_get_account_at_index( txn_in, txn_out, (uchar)index, condition );
1837 0 : }
1838 :
1839 : fd_accdb_ro_t *
1840 : fd_runtime_get_executable_account( fd_runtime_t * runtime,
1841 : fd_txn_in_t const * txn_in,
1842 : fd_txn_out_t * txn_out,
1843 0 : fd_pubkey_t const * pubkey ) {
1844 : /* First try to fetch the executable account from the existing
1845 : borrowed accounts. If the pubkey is in the account keys, then we
1846 : want to re-use that borrowed account since it reflects changes from
1847 : prior instructions. Referencing the read-only executable accounts
1848 : list is incorrect behavior when the program data account is written
1849 : to in a prior instruction (e.g. program upgrade + invoke within the
1850 : same txn) */
1851 :
1852 0 : fd_txn_account_condition_fn_t * condition = fd_runtime_account_check_exists;
1853 :
1854 0 : int index;
1855 0 : fd_accdb_ref_t * ref = fd_runtime_get_account_with_key(
1856 0 : txn_in, txn_out, pubkey, &index, condition );
1857 0 : if( FD_UNLIKELY( ref ) ) return fd_accdb_ref_ro( ref );
1858 :
1859 0 : for( ushort i=0; i<runtime->accounts.executable_cnt; i++ ) {
1860 0 : if( fd_pubkey_eq( pubkey, fd_accdb_ref_address( &runtime->accounts.executable[i] ) ) ) {
1861 0 : fd_accdb_ro_t * ro = &runtime->accounts.executable[i];
1862 0 : if( FD_UNLIKELY( !fd_account_meta_exists( ro->meta ) ) ) {
1863 0 : return NULL;
1864 0 : }
1865 0 : return ro;
1866 0 : }
1867 0 : }
1868 :
1869 0 : return NULL;
1870 0 : }
1871 :
1872 : int
1873 : fd_runtime_get_key_of_account_at_index( fd_txn_out_t * txn_out,
1874 : ushort idx,
1875 31728 : fd_pubkey_t const * * key ) {
1876 : /* Return a MissingAccount error if idx is out of bounds.
1877 : https://github.com/anza-xyz/agave/blob/v3.1.4/transaction-context/src/lib.rs#L187 */
1878 31728 : if( FD_UNLIKELY( idx>=txn_out->accounts.cnt ) ) {
1879 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_ACC;
1880 0 : }
1881 :
1882 31728 : *key = &txn_out->accounts.keys[ idx ];
1883 31728 : return FD_EXECUTOR_INSTR_SUCCESS;
1884 31728 : }
1885 :
1886 : /* https://github.com/anza-xyz/agave/blob/v2.1.1/sdk/program/src/message/versions/v0/loaded.rs#L162 */
1887 : int
1888 : fd_txn_account_is_demotion( const int idx,
1889 : const fd_txn_t * txn_descriptor,
1890 6066 : const uint bpf_upgradeable_in_txn ) {
1891 6066 : uint is_program = 0U;
1892 12174 : for( ulong j=0UL; j<txn_descriptor->instr_cnt; j++ ) {
1893 6108 : if( txn_descriptor->instr[j].program_id == idx ) {
1894 0 : is_program = 1U;
1895 0 : break;
1896 0 : }
1897 6108 : }
1898 :
1899 6066 : return (is_program && !bpf_upgradeable_in_txn);
1900 6066 : }
1901 :
1902 : uint
1903 : fd_txn_account_has_bpf_loader_upgradeable( const fd_pubkey_t * account_keys,
1904 6297 : const ulong accounts_cnt ) {
1905 20367 : for( ulong j=0; j<accounts_cnt; j++ ) {
1906 14133 : const fd_pubkey_t * acc = &account_keys[j];
1907 14133 : if ( memcmp( acc->uc, fd_solana_bpf_loader_upgradeable_program_id.key, sizeof(fd_pubkey_t) ) == 0 ) {
1908 63 : return 1U;
1909 63 : }
1910 14133 : }
1911 6234 : return 0U;
1912 6297 : }
1913 :
1914 : static inline int
1915 : fd_runtime_account_is_writable_idx_flat( const ushort idx,
1916 : const fd_pubkey_t * addr_at_idx,
1917 : const fd_txn_t * txn_descriptor,
1918 6297 : const uint bpf_upgradeable_in_txn ) {
1919 : /* https://github.com/anza-xyz/agave/blob/v2.1.11/sdk/program/src/message/sanitized.rs#L43 */
1920 6297 : if( !fd_txn_is_writable( txn_descriptor, idx ) ) {
1921 222 : return 0;
1922 222 : }
1923 :
1924 : /* See comments in fd_system_ids.h.
1925 : https://github.com/anza-xyz/agave/blob/v2.1.11/sdk/program/src/message/sanitized.rs#L44 */
1926 6075 : if( fd_pubkey_is_active_reserved_key( addr_at_idx ) ||
1927 6075 : fd_pubkey_is_pending_reserved_key( addr_at_idx ) ) {
1928 :
1929 9 : return 0;
1930 9 : }
1931 :
1932 6066 : if( fd_txn_account_is_demotion( idx, txn_descriptor, bpf_upgradeable_in_txn ) ) {
1933 0 : return 0;
1934 0 : }
1935 :
1936 6066 : return 1;
1937 6066 : }
1938 :
1939 :
1940 : /* This function aims to mimic the writable accounts check to populate the writable accounts cache, used
1941 : to determine if accounts are writable or not.
1942 :
1943 : https://github.com/anza-xyz/agave/blob/v2.1.11/sdk/program/src/message/sanitized.rs#L38-L47 */
1944 : int
1945 : fd_runtime_account_is_writable_idx( fd_txn_in_t const * txn_in,
1946 : fd_txn_out_t const * txn_out,
1947 6297 : ushort idx ) {
1948 6297 : uint bpf_upgradeable = fd_txn_account_has_bpf_loader_upgradeable( txn_out->accounts.keys, txn_out->accounts.cnt );
1949 6297 : return fd_runtime_account_is_writable_idx_flat( idx,
1950 6297 : &txn_out->accounts.keys[idx],
1951 6297 : TXN( txn_in->txn ),
1952 6297 : bpf_upgradeable );
1953 6297 : }
1954 :
1955 : /* Account pre-condition filtering functions */
1956 :
1957 : int
1958 : fd_runtime_account_check_exists( fd_txn_in_t const * txn_in,
1959 : fd_txn_out_t * txn_out,
1960 642 : ushort idx ) {
1961 642 : (void) txn_in;
1962 642 : return fd_account_meta_exists( txn_out->accounts.account[idx].meta );
1963 642 : }
1964 :
1965 : int
1966 : fd_runtime_account_check_fee_payer_writable( fd_txn_in_t const * txn_in,
1967 : fd_txn_out_t * txn_out,
1968 174 : ushort idx ) {
1969 174 : (void) txn_out;
1970 174 : return fd_txn_is_writable( TXN( txn_in->txn ), idx );
1971 174 : }
1972 :
1973 :
1974 : int
1975 348 : fd_account_meta_checked_sub_lamports( fd_account_meta_t * meta, ulong lamports ) {
1976 348 : ulong balance_post = 0UL;
1977 348 : int err = fd_ulong_checked_sub( meta->lamports,
1978 348 : lamports,
1979 348 : &balance_post );
1980 348 : if( FD_UNLIKELY( err ) ) {
1981 0 : return FD_EXECUTOR_INSTR_ERR_ARITHMETIC_OVERFLOW;
1982 0 : }
1983 :
1984 348 : meta->lamports = balance_post;
1985 348 : return FD_EXECUTOR_INSTR_SUCCESS;
1986 348 : }
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