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){{0}};
125 0 : stake_weights[ idx ].vote_key = (fd_pubkey_t){{0}};
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){{0}};
202 0 : stake_weights[ idx ].vote_key = (fd_pubkey_t){{0}};
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 : Allow underflow (wrap) to match Agave's silent fetch_sub behavior. */
308 78 : bank->f.capitalization -= total_fees;
309 78 : bank->f.execution_fees = 0;
310 78 : bank->f.priority_fees = 0;
311 :
312 78 : if( FD_LIKELY( fee_reward ) ) {
313 12 : fd_epoch_leaders_t const * leaders = fd_bank_epoch_leaders_query( bank, bank->f.epoch );
314 12 : fd_pubkey_t const * leader = fd_epoch_leaders_get( leaders, bank->f.slot );
315 12 : if( FD_UNLIKELY( !leader ) ) FD_LOG_CRIT(( "fd_epoch_leaders_get(%lu) returned NULL", bank->f.slot ));
316 :
317 : /* Pay out reward portion of collected fees (increasing capitalization) */
318 12 : fd_accdb_rw_t rw[1];
319 12 : fd_accdb_svm_update_t update[1];
320 12 : FD_TEST( fd_accdb_svm_open_rw(
321 12 : accdb, bank, xid,
322 12 : rw, update,
323 12 : leader,
324 12 : 0UL,
325 12 : FD_ACCDB_FLAG_CREATE
326 12 : ) );
327 12 : if( FD_UNLIKELY( !fd_runtime_validate_fee_collector( bank, rw->ro, fee_reward ) ) ) { /* validation failed */
328 6 : FD_LOG_INFO(( "slot %lu has an invalid fee collector, burning fee reward (%lu lamports)", bank->f.slot, fee_reward ));
329 6 : } else {
330 : /* Guaranteed to not overflow, checked above */
331 6 : fd_accdb_ref_lamports_set( rw, fd_accdb_ref_lamports( rw->ro ) + fee_reward );
332 6 : }
333 12 : fd_accdb_svm_close_rw( accdb, bank, capture_ctx, rw, update );
334 12 : }
335 :
336 78 : FD_LOG_INFO(( "slot=%lu priority_fees=%lu execution_fees=%lu fee_burn=%lu fee_rewards=%lu",
337 78 : slot,
338 78 : priority_fees, execution_fees, fee_burn, fee_reward ));
339 78 : }
340 :
341 : static void
342 : fd_runtime_freeze( fd_bank_t * bank,
343 : fd_accdb_user_t * accdb,
344 78 : fd_capture_ctx_t * capture_ctx ) {
345 :
346 78 : fd_funk_txn_xid_t const xid = fd_bank_xid( bank );
347 :
348 78 : if( FD_LIKELY( bank->f.slot != 0UL ) ) {
349 78 : fd_sysvar_recent_hashes_update( bank, accdb, &xid, capture_ctx );
350 78 : }
351 :
352 78 : fd_sysvar_slot_history_update( bank, accdb, &xid, capture_ctx );
353 :
354 78 : fd_runtime_settle_fees( bank, accdb, &xid, capture_ctx );
355 :
356 : /* jito collects a 3% fee at the end of the block + 3% fee at
357 : distribution time. */
358 78 : ulong tips_pre_comission = bank->f.tips;
359 78 : bank->f.tips = (tips_pre_comission - (tips_pre_comission * 6UL / 100UL));
360 :
361 78 : fd_runtime_run_incinerator( bank, accdb, &xid, capture_ctx );
362 :
363 78 : }
364 :
365 : /******************************************************************************/
366 : /* Block-Level Execution Preparation/Finalization */
367 : /******************************************************************************/
368 : void
369 : fd_runtime_new_fee_rate_governor_derived( fd_bank_t * bank,
370 3528 : ulong latest_signatures_per_slot ) {
371 :
372 3528 : fd_fee_rate_governor_t const * base_fee_rate_governor = &bank->f.fee_rate_governor;
373 :
374 3528 : ulong old_lamports_per_signature = bank->f.rbh_lamports_per_sig;
375 :
376 3528 : fd_fee_rate_governor_t me = {
377 3528 : .target_signatures_per_slot = base_fee_rate_governor->target_signatures_per_slot,
378 3528 : .target_lamports_per_signature = base_fee_rate_governor->target_lamports_per_signature,
379 3528 : .max_lamports_per_signature = base_fee_rate_governor->max_lamports_per_signature,
380 3528 : .min_lamports_per_signature = base_fee_rate_governor->min_lamports_per_signature,
381 3528 : .burn_percent = base_fee_rate_governor->burn_percent
382 3528 : };
383 :
384 3528 : ulong new_lamports_per_signature = 0;
385 3528 : if( me.target_signatures_per_slot > 0 ) {
386 6 : me.min_lamports_per_signature = fd_ulong_max( 1UL, (ulong)(me.target_lamports_per_signature / 2) );
387 6 : me.max_lamports_per_signature = me.target_lamports_per_signature * 10;
388 6 : ulong desired_lamports_per_signature = fd_ulong_min(
389 6 : me.max_lamports_per_signature,
390 6 : fd_ulong_max(
391 6 : me.min_lamports_per_signature,
392 6 : me.target_lamports_per_signature
393 6 : * fd_ulong_min(latest_signatures_per_slot, (ulong)UINT_MAX)
394 6 : / me.target_signatures_per_slot
395 6 : )
396 6 : );
397 6 : long gap = (long)desired_lamports_per_signature - (long)old_lamports_per_signature;
398 6 : if ( gap == 0 ) {
399 0 : new_lamports_per_signature = desired_lamports_per_signature;
400 6 : } else {
401 6 : long gap_adjust = (long)(fd_ulong_max( 1UL, (ulong)(me.target_lamports_per_signature / 20) ))
402 6 : * (gap != 0)
403 6 : * (gap > 0 ? 1 : -1);
404 6 : new_lamports_per_signature = fd_ulong_min(
405 6 : me.max_lamports_per_signature,
406 6 : fd_ulong_max(
407 6 : me.min_lamports_per_signature,
408 6 : (ulong)((long)old_lamports_per_signature + gap_adjust)
409 6 : )
410 6 : );
411 6 : }
412 3522 : } else {
413 3522 : new_lamports_per_signature = base_fee_rate_governor->target_lamports_per_signature;
414 3522 : me.min_lamports_per_signature = me.target_lamports_per_signature;
415 3522 : me.max_lamports_per_signature = me.target_lamports_per_signature;
416 3522 : }
417 3528 : bank->f.fee_rate_governor = me;
418 3528 : bank->f.rbh_lamports_per_sig = new_lamports_per_signature;
419 3528 : }
420 :
421 : /******************************************************************************/
422 : /* Epoch Boundary */
423 : /******************************************************************************/
424 :
425 : /* https://github.com/anza-xyz/agave/blob/v2.1.0/runtime/src/bank.rs#L6704 */
426 : static void
427 : fd_apply_builtin_program_feature_transitions( fd_bank_t * bank,
428 : fd_accdb_user_t * accdb,
429 : fd_funk_txn_xid_t const * xid,
430 : fd_runtime_stack_t * runtime_stack,
431 129 : fd_capture_ctx_t * capture_ctx ) {
432 : /* TODO: Set the upgrade authority properly from the core bpf migration config. Right now it's set to None.
433 :
434 : Migrate any necessary stateless builtins to core BPF. So far,
435 : the only "stateless" builtin is the Feature program. Beginning
436 : checks in the migrate_builtin_to_core_bpf function will fail if the
437 : program has already been migrated to BPF. */
438 :
439 129 : fd_builtin_program_t const * builtins = fd_builtins();
440 1290 : for( ulong i=0UL; i<fd_num_builtins(); i++ ) {
441 : /* https://github.com/anza-xyz/agave/blob/v2.1.0/runtime/src/bank.rs#L6732-L6751 */
442 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 ) ) {
443 0 : FD_BASE58_ENCODE_32_BYTES( builtins[i].pubkey->key, pubkey_b58 );
444 0 : FD_LOG_DEBUG(( "Migrating builtin program %s to core BPF", pubkey_b58 ));
445 0 : fd_migrate_builtin_to_core_bpf( bank, accdb, xid, runtime_stack, builtins[i].core_bpf_migration_config, capture_ctx );
446 0 : }
447 : /* https://github.com/anza-xyz/agave/blob/v2.1.0/runtime/src/bank.rs#L6753-L6774 */
448 1161 : if( builtins[i].enable_feature_offset!=NO_ENABLE_FEATURE_ID && FD_FEATURE_JUST_ACTIVATED_OFFSET( bank, builtins[i].enable_feature_offset ) ) {
449 0 : FD_BASE58_ENCODE_32_BYTES( builtins[i].pubkey->key, pubkey_b58 );
450 0 : FD_LOG_DEBUG(( "Enabling builtin program %s", pubkey_b58 ));
451 0 : fd_write_builtin_account( bank, accdb, xid, capture_ctx, *builtins[i].pubkey, builtins[i].data,strlen(builtins[i].data) );
452 0 : }
453 1161 : }
454 :
455 : /* https://github.com/anza-xyz/agave/blob/v2.1.0/runtime/src/bank.rs#L6776-L6793 */
456 129 : fd_stateless_builtin_program_t const * stateless_builtins = fd_stateless_builtins();
457 387 : for( ulong i=0UL; i<fd_num_stateless_builtins(); i++ ) {
458 258 : 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 ) ) {
459 0 : FD_BASE58_ENCODE_32_BYTES( stateless_builtins[i].pubkey->key, pubkey_b58 );
460 0 : FD_LOG_DEBUG(( "Migrating stateless builtin program %s to core BPF", pubkey_b58 ));
461 0 : fd_migrate_builtin_to_core_bpf( bank, accdb, xid, runtime_stack, stateless_builtins[i].core_bpf_migration_config, capture_ctx );
462 0 : }
463 258 : }
464 :
465 : /* https://github.com/anza-xyz/agave/blob/c1080de464cfb578c301e975f498964b5d5313db/runtime/src/bank.rs#L6795-L6805 */
466 516 : for( fd_precompile_program_t const * precompiles = fd_precompiles(); precompiles->verify_fn; precompiles++ ) {
467 387 : if( precompiles->feature_offset != NO_ENABLE_FEATURE_ID &&
468 387 : FD_FEATURE_JUST_ACTIVATED_OFFSET( bank, precompiles->feature_offset ) ) {
469 0 : fd_write_builtin_account( bank, accdb, xid, capture_ctx, *precompiles->pubkey, "", 0 );
470 0 : }
471 387 : }
472 129 : }
473 :
474 : static void
475 : fd_feature_activate( fd_bank_t * bank,
476 : fd_accdb_user_t * accdb,
477 : fd_funk_txn_xid_t const * xid,
478 : fd_capture_ctx_t * capture_ctx,
479 : fd_feature_id_t const * id,
480 35088 : fd_pubkey_t const * addr ) {
481 35088 : fd_features_t * features = &bank->f.features;
482 :
483 35088 : fd_features_set( features, id, FD_FEATURE_DISABLED );
484 :
485 35088 : if( id->reverted==1 ) return;
486 :
487 33540 : fd_accdb_ro_t ro[1];
488 33540 : if( FD_UNLIKELY( !fd_accdb_open_ro( accdb, ro, xid, addr ) ) ) {
489 33519 : return;
490 33519 : }
491 :
492 21 : if( FD_UNLIKELY( !fd_pubkey_eq( fd_accdb_ref_owner( ro ), &fd_solana_feature_program_id ) ) ) {
493 : /* Feature account not yet initialized */
494 3 : fd_accdb_close_ro( accdb, ro );
495 3 : return;
496 3 : }
497 :
498 18 : FD_BASE58_ENCODE_32_BYTES( addr->uc, addr_b58 );
499 :
500 18 : fd_feature_t feature;
501 18 : if( FD_UNLIKELY( !fd_feature_decode( &feature, fd_accdb_ref_data_const( ro ), fd_accdb_ref_data_sz( ro ) ) ) ) {
502 3 : FD_LOG_WARNING(( "cannot activate feature %s, corrupt account data", addr_b58 ));
503 3 : FD_LOG_HEXDUMP_NOTICE(( "corrupt feature account", fd_accdb_ref_data_const( ro ), fd_accdb_ref_data_sz( ro ) ));
504 3 : fd_accdb_close_ro( accdb, ro );
505 3 : return;
506 3 : }
507 15 : fd_accdb_close_ro( accdb, ro );
508 :
509 15 : if( feature.is_active ) {
510 12 : FD_LOG_DEBUG(( "feature %s already activated at slot %lu", addr_b58, feature.activation_slot ));
511 12 : fd_features_set( features, id, feature.activation_slot);
512 12 : } else {
513 3 : FD_LOG_DEBUG(( "feature %s not activated at slot %lu, activating", addr_b58, bank->f.slot ));
514 3 : fd_accdb_rw_t rw[1]; fd_accdb_svm_update_t update[1];
515 3 : if( FD_UNLIKELY( !fd_accdb_svm_open_rw( accdb, bank, xid, rw, update, addr, 0UL, 0 ) ) ) return;
516 3 : FD_TEST( fd_accdb_ref_data_sz( rw->ro )>=sizeof(fd_feature_t) );
517 3 : feature.is_active = 1;
518 3 : feature.activation_slot = bank->f.slot;
519 3 : FD_STORE( fd_feature_t, fd_accdb_ref_data( rw ), feature );
520 3 : fd_accdb_svm_close_rw( accdb, bank, capture_ctx, rw, update );
521 3 : }
522 15 : }
523 :
524 : static void
525 : fd_features_activate( fd_bank_t * bank,
526 : fd_accdb_user_t * accdb,
527 : fd_funk_txn_xid_t const * xid,
528 129 : fd_capture_ctx_t * capture_ctx ) {
529 129 : for( fd_feature_id_t const * id = fd_feature_iter_init();
530 35217 : !fd_feature_iter_done( id );
531 35088 : id = fd_feature_iter_next( id ) ) {
532 35088 : fd_feature_activate( bank, accdb, xid, capture_ctx, id, &id->id );
533 35088 : }
534 129 : }
535 :
536 : /* SIMD-0194: deprecate_rent_exemption_threshold
537 : https://github.com/anza-xyz/agave/blob/v3.1.4/runtime/src/bank.rs#L5322-L5329 */
538 : static void
539 : deprecate_rent_exemption_threshold( fd_bank_t * bank,
540 : fd_accdb_user_t * accdb,
541 : fd_funk_txn_xid_t const * xid,
542 3 : fd_capture_ctx_t * capture_ctx ) {
543 : /* We use the bank fields here to mirror Agave - in mainnet, devnet
544 : and testnet Agave's bank rent.burn_percent field is different to
545 : the value in the sysvar. When this feature is activated in Agave,
546 : the sysvar inherits the value from the bank. */
547 3 : fd_rent_t rent = bank->f.rent;
548 3 : rent.lamports_per_uint8_year = fd_rust_cast_double_to_ulong(
549 3 : (double)rent.lamports_per_uint8_year * rent.exemption_threshold );
550 3 : rent.exemption_threshold = FD_SIMD_0194_NEW_RENT_EXEMPTION_THRESHOLD;
551 :
552 : /* We don't refresh the sysvar cache here. The cache is refreshed in
553 : fd_sysvar_cache_restore, which is called at the start of every
554 : block in fd_runtime_block_execute_prepare, after this function. */
555 3 : fd_sysvar_rent_write( bank, accdb, xid, capture_ctx, &rent );
556 3 : bank->f.rent = rent;
557 3 : }
558 :
559 : // https://github.com/anza-xyz/agave/blob/v3.1.4/runtime/src/bank.rs#L5296-L5391
560 : static void
561 : fd_compute_and_apply_new_feature_activations( fd_bank_t * bank,
562 : fd_accdb_user_t * accdb,
563 : fd_funk_txn_xid_t const * xid,
564 : fd_runtime_stack_t * runtime_stack,
565 129 : fd_capture_ctx_t * capture_ctx ) {
566 : /* Activate new features
567 : https://github.com/anza-xyz/agave/blob/v3.1.4/runtime/src/bank.rs#L5296-L5391 */
568 129 : fd_features_activate( bank, accdb, xid, capture_ctx );
569 129 : fd_features_restore( bank, accdb, xid );
570 :
571 : /* SIMD-0194: deprecate_rent_exemption_threshold
572 : https://github.com/anza-xyz/agave/blob/v3.1.4/runtime/src/bank.rs#L5322-L5329 */
573 129 : if( FD_UNLIKELY( FD_FEATURE_JUST_ACTIVATED_BANK( bank, deprecate_rent_exemption_threshold ) ) ) {
574 3 : deprecate_rent_exemption_threshold( bank, accdb, xid, capture_ctx );
575 3 : }
576 :
577 : /* Apply builtin program feature transitions
578 : https://github.com/anza-xyz/agave/blob/v2.1.0/runtime/src/bank.rs#L6621-L6624 */
579 129 : fd_apply_builtin_program_feature_transitions( bank, accdb, xid, runtime_stack, capture_ctx );
580 :
581 129 : if( FD_UNLIKELY( FD_FEATURE_JUST_ACTIVATED_BANK( bank, vote_state_v4 ) ) ) {
582 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 );
583 0 : }
584 :
585 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-beta.2/runtime/src/bank.rs#L5703-L5716 */
586 129 : if( FD_UNLIKELY( FD_FEATURE_JUST_ACTIVATED_BANK( bank, replace_spl_token_with_p_token ) ) ) {
587 0 : fd_upgrade_loader_v2_program_with_loader_v3_program(
588 0 : bank,
589 0 : accdb,
590 0 : xid,
591 0 : runtime_stack,
592 0 : &fd_solana_spl_token_id,
593 0 : &fd_solana_ptoken_program_buffer_address,
594 0 : FD_FEATURE_ACTIVE_BANK( bank, relax_programdata_account_check_migration ),
595 0 : capture_ctx );
596 0 : }
597 :
598 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-beta.4/runtime/src/bank.rs#L5736-L5744 */
599 129 : if( FD_UNLIKELY( FD_FEATURE_JUST_ACTIVATED_BANK( bank, upgrade_bpf_stake_program_to_v5 ) ) ) {
600 0 : fd_upgrade_core_bpf_program(
601 0 : bank,
602 0 : accdb,
603 0 : xid,
604 0 : runtime_stack,
605 0 : &fd_solana_stake_program_id,
606 0 : &fd_solana_stake_program_v5_buffer_address,
607 0 : capture_ctx );
608 0 : }
609 129 : }
610 :
611 : /* Starting a new epoch.
612 : New epoch: T
613 : Just ended epoch: T-1
614 : Epoch before: T-2
615 :
616 : In this function:
617 : - stakes in T-2 (vote_states_prev_prev) should be replaced by T-1 (vote_states_prev)
618 : - stakes at T-1 (vote_states_prev) should be replaced by updated stakes at T (vote_states)
619 : - leader schedule should be calculated using new T-2 stakes (vote_states_prev_prev)
620 :
621 : Invariant during an epoch T:
622 : vote_states_prev holds the stakes at T-1
623 : vote_states_prev_prev holds the stakes at T-2
624 : */
625 : /* process for the start of a new epoch */
626 : static void
627 : fd_runtime_process_new_epoch( fd_banks_t * banks,
628 : fd_bank_t * bank,
629 : fd_accdb_user_t * accdb,
630 : fd_funk_txn_xid_t const * xid,
631 : fd_capture_ctx_t * capture_ctx,
632 : ulong parent_epoch,
633 129 : fd_runtime_stack_t * runtime_stack ) {
634 129 : long start = fd_log_wallclock();
635 :
636 129 : fd_compute_and_apply_new_feature_activations( bank, accdb, xid, runtime_stack, capture_ctx );
637 :
638 : /* Update the cached warmup/cooldown rate epoch now that features may
639 : have changed (reduce_stake_warmup_cooldown may have just activated). */
640 129 : bank->f.warmup_cooldown_rate_epoch = fd_slot_to_epoch( &bank->f.epoch_schedule,
641 129 : bank->f.features.reduce_stake_warmup_cooldown,
642 129 : NULL );
643 :
644 : /* Updates stake history sysvar accumulated values and recomputes
645 : stake delegations for vote accounts. */
646 :
647 129 : fd_stake_delegations_t const * stake_delegations = fd_bank_stake_delegations_frontier_query( banks, bank );
648 129 : if( FD_UNLIKELY( !stake_delegations ) ) {
649 0 : FD_LOG_CRIT(( "stake_delegations is NULL" ));
650 0 : }
651 :
652 129 : fd_stakes_activate_epoch( bank, runtime_stack, accdb, xid, capture_ctx, stake_delegations,
653 129 : &bank->f.warmup_cooldown_rate_epoch );
654 :
655 : /* Distribute rewards. This involves calculating the rewards for
656 : every vote and stake account. */
657 :
658 129 : fd_hash_t const * parent_blockhash = fd_blockhashes_peek_last_hash( &bank->f.block_hash_queue );
659 129 : fd_begin_partitioned_rewards( bank,
660 129 : accdb,
661 129 : xid,
662 129 : runtime_stack,
663 129 : capture_ctx,
664 129 : stake_delegations,
665 129 : parent_blockhash,
666 129 : parent_epoch );
667 :
668 129 : fd_bank_stake_delegations_end_frontier_query( banks, bank );
669 :
670 : /* The Agave client handles updating their stakes cache with a call to
671 : update_epoch_stakes() which keys stakes by the leader schedule
672 : epochs and retains up to 6 epochs of stakes. However, to correctly
673 : calculate the leader schedule, we just need to maintain the vote
674 : states for the current epoch, the previous epoch, and the one
675 : before that.
676 : https://github.com/anza-xyz/agave/blob/v3.0.4/runtime/src/bank.rs#L2175
677 : */
678 :
679 : /* Now that our stakes caches have been updated, we can calculate the
680 : leader schedule for the upcoming epoch epoch using our new
681 : vote_states_prev_prev (stakes for T-2). */
682 :
683 129 : fd_runtime_update_leaders( bank, runtime_stack );
684 :
685 129 : long end = fd_log_wallclock();
686 129 : FD_LOG_NOTICE(( "starting epoch %lu at slot %lu took %.6f seconds", bank->f.epoch, bank->f.slot, (double)(end - start) / 1e9 ));
687 129 : }
688 :
689 : static void
690 : fd_runtime_block_pre_execute_process_new_epoch( fd_banks_t * banks,
691 : fd_bank_t * bank,
692 : fd_accdb_user_t * accdb,
693 : fd_funk_txn_xid_t const * xid,
694 : fd_capture_ctx_t * capture_ctx,
695 : fd_runtime_stack_t * runtime_stack,
696 3528 : int * is_epoch_boundary ) {
697 :
698 3528 : ulong const slot = bank->f.slot;
699 3528 : if( FD_LIKELY( slot != 0UL ) ) {
700 3528 : fd_epoch_schedule_t const * epoch_schedule = &bank->f.epoch_schedule;
701 :
702 3528 : ulong prev_epoch = fd_slot_to_epoch( epoch_schedule, bank->f.parent_slot, NULL );
703 3528 : ulong slot_idx;
704 3528 : ulong new_epoch = fd_slot_to_epoch( epoch_schedule, slot, &slot_idx );
705 3528 : if( FD_UNLIKELY( slot_idx==1UL && new_epoch==0UL ) ) {
706 : /* The block after genesis has a height of 1. */
707 0 : bank->f.block_height = 1UL;
708 0 : }
709 :
710 3528 : if( FD_UNLIKELY( prev_epoch<new_epoch || !slot_idx ) ) {
711 129 : FD_LOG_DEBUG(( "Epoch boundary starting" ));
712 129 : fd_runtime_process_new_epoch( banks, bank, accdb, xid, capture_ctx, prev_epoch, runtime_stack );
713 129 : *is_epoch_boundary = 1;
714 3399 : } else {
715 3399 : *is_epoch_boundary = 0;
716 3399 : }
717 :
718 3528 : fd_distribute_partitioned_epoch_rewards( bank, accdb, xid, capture_ctx );
719 3528 : } else {
720 0 : *is_epoch_boundary = 0;
721 0 : }
722 3528 : }
723 :
724 :
725 : static void
726 : fd_runtime_block_sysvar_update_pre_execute( fd_bank_t * bank,
727 : fd_accdb_user_t * accdb,
728 : fd_funk_txn_xid_t const * xid,
729 : fd_runtime_stack_t * runtime_stack,
730 3528 : fd_capture_ctx_t * capture_ctx ) {
731 : // let (fee_rate_governor, fee_components_time_us) = measure_us!(
732 : // FeeRateGovernor::new_derived(&parent.fee_rate_governor, parent.signature_count())
733 : // );
734 : /* https://github.com/firedancer-io/solana/blob/dab3da8e7b667d7527565bddbdbecf7ec1fb868e/runtime/src/bank.rs#L1312-L1314 */
735 :
736 3528 : fd_runtime_new_fee_rate_governor_derived( bank, bank->f.parent_signature_cnt );
737 :
738 3528 : fd_epoch_schedule_t const * epoch_schedule = &bank->f.epoch_schedule;
739 3528 : ulong parent_epoch = fd_slot_to_epoch( epoch_schedule, bank->f.parent_slot, NULL );
740 3528 : fd_sysvar_clock_update( bank, accdb, xid, capture_ctx, runtime_stack, &parent_epoch );
741 :
742 : // It has to go into the current txn previous info but is not in slot 0
743 3528 : if( bank->f.slot != 0 ) {
744 3528 : fd_sysvar_slot_hashes_update( bank, accdb, xid, capture_ctx );
745 3528 : }
746 3528 : fd_sysvar_last_restart_slot_update( bank, accdb, xid, capture_ctx );
747 3528 : }
748 :
749 : int
750 : fd_runtime_load_txn_address_lookup_tables( fd_txn_in_t const * txn_in,
751 : fd_txn_t const * txn,
752 : uchar const * payload,
753 : fd_accdb_user_t * accdb,
754 : fd_funk_txn_xid_t const * xid,
755 : ulong slot,
756 : fd_slot_hashes_t const * hashes,
757 111 : fd_acct_addr_t * out_accts_alt ) {
758 :
759 111 : if( FD_LIKELY( txn->transaction_version!=FD_TXN_V0 ) ) return FD_RUNTIME_EXECUTE_SUCCESS;
760 :
761 111 : fd_alut_interp_t interp[1];
762 111 : fd_alut_interp_new(
763 111 : interp,
764 111 : out_accts_alt,
765 111 : txn,
766 111 : payload,
767 111 : hashes,
768 111 : slot );
769 :
770 111 : fd_txn_acct_addr_lut_t const * addr_luts = fd_txn_get_address_tables_const( txn );
771 114 : for( ulong i=0UL; i<txn->addr_table_lookup_cnt; i++ ) {
772 3 : fd_txn_acct_addr_lut_t const * addr_lut = &addr_luts[i];
773 3 : fd_pubkey_t addr_lut_acc = FD_LOAD( fd_pubkey_t, payload+addr_lut->addr_off );
774 :
775 : /* https://github.com/anza-xyz/agave/blob/368ea563c423b0a85cc317891187e15c9a321521/accounts-db/src/accounts.rs#L90-L94 */
776 3 : fd_accdb_ro_t alut_ro[1];
777 :
778 3 : int is_found = 0;
779 3 : if( FD_UNLIKELY( txn_in && txn_in->bundle.is_bundle ) ) {
780 6 : for( ulong j=txn_in->bundle.prev_txn_cnt; j>0UL && !is_found; j-- ) {
781 3 : fd_txn_out_t * prev_txn_out = txn_in->bundle.prev_txn_outs[ j-1 ];
782 6 : for( ushort k=0; k<prev_txn_out->accounts.cnt; k++ ) {
783 6 : if( fd_pubkey_eq( &prev_txn_out->accounts.keys[ k ], &addr_lut_acc ) && prev_txn_out->accounts.is_writable[ k ] ) {
784 3 : fd_accdb_ro_init_nodb( alut_ro, &addr_lut_acc, prev_txn_out->accounts.account[ k ].meta );
785 3 : if( FD_UNLIKELY( !alut_ro->meta->lamports ) ) {
786 0 : fd_alut_interp_delete( interp );
787 0 : return FD_RUNTIME_TXN_ERR_ADDRESS_LOOKUP_TABLE_NOT_FOUND;
788 0 : }
789 3 : is_found = 1;
790 3 : break;
791 3 : }
792 6 : }
793 3 : }
794 3 : }
795 :
796 3 : if( FD_UNLIKELY( !is_found && !fd_accdb_open_ro( accdb, alut_ro, xid, &addr_lut_acc ) ) ) {
797 0 : fd_alut_interp_delete( interp );
798 0 : return FD_RUNTIME_TXN_ERR_ADDRESS_LOOKUP_TABLE_NOT_FOUND;
799 0 : }
800 :
801 3 : int err = fd_alut_interp_next(
802 3 : interp,
803 3 : &addr_lut_acc,
804 3 : fd_accdb_ref_owner ( alut_ro ),
805 3 : fd_accdb_ref_data_const( alut_ro ),
806 3 : fd_accdb_ref_data_sz ( alut_ro ) );
807 3 : fd_accdb_close_ro( accdb, alut_ro );
808 3 : if( FD_UNLIKELY( err ) ) {
809 0 : fd_alut_interp_delete( interp );
810 0 : return err;
811 0 : }
812 3 : }
813 :
814 111 : fd_alut_interp_delete( interp );
815 :
816 111 : return FD_RUNTIME_EXECUTE_SUCCESS;
817 111 : }
818 :
819 : /* Pre-populate the bank's in-memory feature set with upcoming feature
820 : activations. If the current slot is the last slot before an epoch
821 : boundary, scan all known feature accounts. Otherwise, returns early.
822 :
823 : For any feature that is pending (not yet activated on-chain) but has
824 : an account owned by the feature program, set the in-memory activation
825 : slot within the bank's featureset to the first slot of the next
826 : epoch. This is needed so that deployment verification (which uses
827 : slot+1) can detect features that will activate at the next epoch
828 : boundary.
829 :
830 : In Agave, program deployments use the feature set from the next
831 : slot via DELAY_VISIBILITY_SLOT_OFFSET. The runtime environments
832 : for deployment are selected based on epoch_of(slot+1):
833 : https://github.com/anza-xyz/agave/blob/v3.1.8/runtime/src/bank.rs#L3280-L3295
834 : https://github.com/anza-xyz/agave/blob/v3.1.8/svm/src/transaction_processor.rs#L339-L345
835 :
836 : This function does NOT write to feature accounts or update the
837 : lthash. It only modifies the bank's in-memory feature set. */
838 : static void
839 : fd_features_prepopulate_upcoming( fd_bank_t * bank,
840 : fd_accdb_user_t * accdb,
841 3528 : fd_funk_txn_xid_t const * xid ) {
842 3528 : ulong slot = bank->f.slot;
843 3528 : fd_epoch_schedule_t const * epoch_schedule = &bank->f.epoch_schedule;
844 3528 : ulong curr_epoch = fd_slot_to_epoch( epoch_schedule, slot, NULL );
845 3528 : ulong next_epoch = fd_slot_to_epoch( epoch_schedule, slot+1UL, NULL );
846 3528 : if( FD_LIKELY( curr_epoch==next_epoch ) ) return;
847 :
848 21 : fd_features_restore( bank, accdb, xid );
849 21 : }
850 :
851 : void
852 : fd_runtime_block_execute_prepare( fd_banks_t * banks,
853 : fd_bank_t * bank,
854 : fd_accdb_user_t * accdb,
855 : fd_runtime_stack_t * runtime_stack,
856 : fd_capture_ctx_t * capture_ctx,
857 3528 : int * is_epoch_boundary ) {
858 :
859 3528 : fd_funk_txn_xid_t const xid = fd_bank_xid( bank );
860 :
861 3528 : fd_runtime_block_pre_execute_process_new_epoch( banks, bank, accdb, &xid, capture_ctx, runtime_stack, is_epoch_boundary );
862 :
863 3528 : if( FD_LIKELY( bank->f.slot ) ) {
864 3528 : fd_cost_tracker_t * cost_tracker = fd_bank_cost_tracker_modify( bank );
865 3528 : FD_TEST( cost_tracker );
866 3528 : fd_cost_tracker_init( cost_tracker, &bank->f.features, bank->f.slot );
867 3528 : }
868 :
869 3528 : fd_features_prepopulate_upcoming( bank, accdb, &xid );
870 :
871 3528 : fd_runtime_block_sysvar_update_pre_execute( bank, accdb, &xid, runtime_stack, capture_ctx );
872 :
873 3528 : if( FD_UNLIKELY( !fd_sysvar_cache_restore( bank, accdb, &xid ) ) ) {
874 0 : FD_LOG_ERR(( "Failed to restore sysvar cache" ));
875 0 : }
876 3528 : }
877 :
878 : static void
879 : fd_runtime_update_bank_hash( fd_bank_t * bank,
880 78 : fd_capture_ctx_t * capture_ctx ) {
881 : /* Compute the new bank hash */
882 78 : fd_lthash_value_t const * lthash = fd_bank_lthash_locking_query( bank );
883 78 : fd_hash_t new_bank_hash[1] = { 0 };
884 78 : fd_hashes_hash_bank(
885 78 : lthash,
886 78 : &bank->f.prev_bank_hash,
887 78 : (fd_hash_t *)bank->f.poh.hash,
888 78 : bank->f.signature_count,
889 78 : new_bank_hash );
890 :
891 : /* Update the bank hash */
892 78 : bank->f.bank_hash = *new_bank_hash;
893 :
894 78 : if( capture_ctx && capture_ctx->capture_solcap &&
895 78 : bank->f.slot>=capture_ctx->solcap_start_slot ) {
896 :
897 0 : uchar lthash_hash[FD_HASH_FOOTPRINT];
898 0 : fd_blake3_hash(lthash->bytes, FD_LTHASH_LEN_BYTES, lthash_hash );
899 0 : fd_capture_link_write_bank_preimage(
900 0 : capture_ctx,
901 0 : bank->f.slot,
902 0 : (fd_hash_t *)new_bank_hash->hash,
903 0 : (fd_hash_t *)&bank->f.prev_bank_hash,
904 0 : (fd_hash_t *)lthash_hash,
905 0 : (fd_hash_t *)bank->f.poh.hash,
906 0 : bank->f.signature_count );
907 0 : }
908 :
909 78 : fd_bank_lthash_end_locking_query( bank );
910 78 : }
911 :
912 : /******************************************************************************/
913 : /* Transaction Level Execution Management */
914 : /******************************************************************************/
915 :
916 : /* fd_runtime_pre_execute_check is responsible for conducting many of
917 : the transaction sanitization checks. This is a combination of some
918 : of the work done in Agave's load_and_execute_transactions(), and some
919 : of the work done in Agave's transaction ingestion stage, before the
920 : transaction even hits the scheduler. We do some of the checks also
921 : in our transaction ingestion stage. For example, the duplicate
922 : account check is performed in both the leader and the replay
923 : scheduler. As a result, the duplicate account check below is
924 : essentially redundant, except that our fuzzing harness expects a
925 : single entry point to cover all of these checks. So we keep all of
926 : the checks below for fuzzing purposes. We could in theory hoist some
927 : of the pre-scheduler checks into a public function that is only
928 : invoked by the fuzzer to avoid duplication in the leader and the
929 : replay pipeline. But all the duplicate checks are pretty cheap, and
930 : the order and placement of the checks are also in motion on Agave's
931 : side, and performing all the checks faithfully would require access
932 : to the bank in the scheduler which is kind of gross. So that's all
933 : probably more hassle than worth. */
934 :
935 : static inline int
936 : fd_runtime_pre_execute_check( fd_runtime_t * runtime,
937 : fd_bank_t * bank,
938 : fd_txn_in_t const * txn_in,
939 189 : fd_txn_out_t * txn_out ) {
940 :
941 : /* https://github.com/anza-xyz/agave/blob/16de8b75ebcd57022409b422de557dd37b1de8db/sdk/src/transaction/sanitized.rs#L263-L275
942 : TODO: Agave's precompile verification is done at the slot level, before batching and executing transactions. This logic should probably
943 : be moved in the future. The Agave call heirarchy looks something like this:
944 : process_single_slot
945 : v
946 : confirm_full_slot
947 : v
948 : confirm_slot_entries --------------------------------------------------->
949 : v v v
950 : verify_transaction ComputeBudget::process_instruction process_entries
951 : v v
952 : verify_precompiles process_batches
953 : v
954 : ...
955 : v
956 : load_and_execute_transactions
957 : v
958 : ...
959 : v
960 : load_accounts --> load_transaction_accounts
961 : v
962 : general transaction execution
963 :
964 : */
965 :
966 : /* Verify the transaction. For now, this step only involves processing
967 : the compute budget instructions. */
968 189 : int err = fd_executor_verify_transaction( bank, txn_in, txn_out );
969 189 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
970 3 : txn_out->err.is_committable = 0;
971 3 : return err;
972 3 : }
973 :
974 : /* Resolve and verify ALUT-referenced account keys, if applicable */
975 186 : err = fd_executor_setup_txn_alut_account_keys( runtime, bank, txn_in, txn_out );
976 186 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
977 0 : txn_out->err.is_committable = 0;
978 0 : return err;
979 0 : }
980 :
981 : /* Set up the transaction accounts and other txn ctx metadata */
982 186 : fd_executor_setup_accounts_for_txn( runtime, bank, txn_in, txn_out );
983 :
984 : /* Post-sanitization checks. Called from prepare_sanitized_batch()
985 : which, for now, only is used to lock the accounts and perform a
986 : couple basic validations.
987 : https://github.com/anza-xyz/agave/blob/838c1952595809a31520ff1603a13f2c9123aa51/accounts-db/src/account_locks.rs#L118 */
988 186 : err = fd_executor_validate_account_locks( bank, txn_out );
989 186 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
990 0 : txn_out->err.is_committable = 0;
991 0 : return err;
992 0 : }
993 :
994 : /* load_and_execute_transactions() -> check_transactions()
995 : https://github.com/anza-xyz/agave/blob/ced98f1ebe73f7e9691308afa757323003ff744f/runtime/src/bank.rs#L3667-L3672 */
996 186 : err = fd_executor_check_transactions( runtime, bank, txn_in, txn_out );
997 186 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
998 3 : txn_out->err.is_committable = 0;
999 3 : return err;
1000 3 : }
1001 :
1002 : /* load_and_execute_sanitized_transactions() -> validate_fees() ->
1003 : validate_transaction_fee_payer()
1004 : https://github.com/anza-xyz/agave/blob/ced98f1ebe73f7e9691308afa757323003ff744f/svm/src/transaction_processor.rs#L236-L249 */
1005 183 : err = fd_executor_validate_transaction_fee_payer( runtime, bank, txn_in, txn_out );
1006 183 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
1007 0 : txn_out->err.is_committable = 0;
1008 0 : return err;
1009 0 : }
1010 :
1011 183 : txn_out->details.exec_start_timestamp = fd_tickcount();
1012 :
1013 : /* https://github.com/anza-xyz/agave/blob/ced98f1ebe73f7e9691308afa757323003ff744f/svm/src/transaction_processor.rs#L284-L296 */
1014 183 : err = fd_executor_load_transaction_accounts( runtime, bank, txn_in, txn_out );
1015 183 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
1016 : /* Regardless of whether transaction accounts were loaded successfully, the transaction is
1017 : included in the block and transaction fees are collected.
1018 : https://github.com/anza-xyz/agave/blob/v2.1.6/svm/src/transaction_processor.rs#L341-L357 */
1019 0 : txn_out->err.is_fees_only = 1;
1020 :
1021 : /* If the transaction fails to load, the "rollback" accounts will include one of the following:
1022 : 1. Nonce account only
1023 : 2. Fee payer only
1024 : 3. Nonce account + fee payer
1025 :
1026 : Because the cost tracker uses the loaded account data size in block cost calculations, we need to
1027 : make sure our calculated loaded accounts data size is conformant with Agave's.
1028 : https://github.com/anza-xyz/agave/blob/v2.1.14/runtime/src/bank.rs#L4116
1029 :
1030 : In any case, we should always add the dlen of the fee payer. */
1031 0 : txn_out->details.loaded_accounts_data_size = fd_accdb_ref_data_sz( txn_out->accounts.account[ FD_FEE_PAYER_TXN_IDX ].ro );
1032 :
1033 : /* Special case handling for if a nonce account is present in the transaction. */
1034 0 : if( txn_out->accounts.nonce_idx_in_txn!=ULONG_MAX ) {
1035 : /* If the nonce account is not the fee payer, then we separately add the dlen of the nonce account. Otherwise, we would
1036 : be double counting the dlen of the fee payer. */
1037 0 : if( txn_out->accounts.nonce_idx_in_txn!=FD_FEE_PAYER_TXN_IDX ) {
1038 0 : txn_out->details.loaded_accounts_data_size += txn_out->accounts.rollback_nonce->dlen;
1039 0 : }
1040 0 : }
1041 0 : }
1042 :
1043 : /*
1044 : The fee payer and the nonce account will be stored and hashed so
1045 : long as the transaction landed on chain, or, in Agave terminology,
1046 : the transaction was processed.
1047 : https://github.com/anza-xyz/agave/blob/v2.1.1/runtime/src/account_saver.rs#L72
1048 :
1049 : A transaction lands on chain in one of two ways:
1050 : (1) Passed fee validation and loaded accounts.
1051 : (2) Passed fee validation and failed to load accounts and the enable_transaction_loading_failure_fees feature is enabled as per
1052 : SIMD-0082 https://github.com/anza-xyz/feature-gate-tracker/issues/52
1053 :
1054 : So, at this point, the transaction is committable.
1055 : */
1056 :
1057 183 : return err;
1058 183 : }
1059 :
1060 : /* fd_runtime_finalize_account is a helper used to commit the data from
1061 : a writable transaction account back into the accountsdb. */
1062 :
1063 : static void
1064 : fd_runtime_finalize_account( fd_accdb_user_t * accdb,
1065 : fd_funk_txn_xid_t const * xid,
1066 : fd_pubkey_t const * pubkey,
1067 87 : fd_account_meta_t * meta ) {
1068 : /* FIXME if account doesn't change according to LtHash, don't update
1069 : database record */
1070 :
1071 87 : fd_accdb_rw_t rw[1];
1072 87 : int rw_ok = !!fd_accdb_open_rw(
1073 87 : accdb,
1074 87 : rw,
1075 87 : xid,
1076 87 : pubkey,
1077 87 : meta->dlen,
1078 87 : FD_ACCDB_FLAG_CREATE|FD_ACCDB_FLAG_TRUNCATE );
1079 87 : if( FD_UNLIKELY( !rw_ok ) ) FD_LOG_CRIT(( "fd_accdb_open_rw failed" ));
1080 :
1081 87 : void const * data = fd_account_data( meta );
1082 87 : fd_accdb_ref_lamports_set( rw, meta->lamports );
1083 87 : fd_accdb_ref_owner_set ( rw, meta->owner );
1084 87 : fd_accdb_ref_exec_bit_set( rw, meta->executable );
1085 87 : fd_accdb_ref_data_set ( accdb, rw, data, meta->dlen );
1086 87 : fd_accdb_ref_slot_set ( rw, xid->ul[0] );
1087 :
1088 87 : fd_accdb_close_rw( accdb, rw );
1089 87 : }
1090 :
1091 : /* fd_runtime_save_account persists a transaction account to the account
1092 : database and updates the bank lthash.
1093 :
1094 : This function:
1095 : - Loads the previous account revision
1096 : - Computes the LtHash of the previous revision
1097 : - Computes the LtHash of the new revision
1098 : - Removes/adds the previous/new revision's LtHash
1099 : - Saves the new version of the account to funk
1100 : - Sends updates to metrics and capture infra
1101 :
1102 : Returns FD_RUNTIME_SAVE_* */
1103 :
1104 : static int
1105 : fd_runtime_save_account( fd_accdb_user_t * accdb,
1106 : fd_funk_txn_xid_t const * xid,
1107 : fd_pubkey_t const * pubkey,
1108 : fd_account_meta_t * meta,
1109 : fd_bank_t * bank,
1110 108 : fd_capture_ctx_t * capture_ctx ) {
1111 108 : fd_lthash_value_t lthash_post[1];
1112 108 : fd_lthash_value_t lthash_prev[1];
1113 :
1114 : /* Update LtHash
1115 : - Query old version of account and hash it
1116 : - Hash new version of account */
1117 108 : fd_accdb_ro_t ro[1];
1118 108 : int old_exist = 0;
1119 108 : if( fd_accdb_open_ro( accdb, ro, xid, pubkey ) ) {
1120 99 : old_exist = fd_accdb_ref_lamports( ro )!=0UL;
1121 99 : fd_hashes_account_lthash(
1122 99 : pubkey,
1123 99 : ro->meta,
1124 99 : fd_accdb_ref_data_const( ro ),
1125 99 : lthash_prev );
1126 99 : fd_accdb_close_ro( accdb, ro );
1127 99 : } else {
1128 9 : old_exist = 0;
1129 9 : fd_lthash_zero( lthash_prev );
1130 9 : }
1131 108 : int new_exist = meta->lamports!=0UL;
1132 :
1133 108 : int save_type = (old_exist<<1) | (new_exist);
1134 108 : if( FD_LIKELY( old_exist || new_exist ) ) {
1135 99 : fd_hashes_update_lthash1( lthash_post, lthash_prev, pubkey, meta, bank, capture_ctx );
1136 : /* First 32 bytes equal BLAKE3_256 hash of the account */
1137 99 : if( 0!=memcmp( lthash_post->bytes, lthash_prev->bytes, 32UL ) ) {
1138 87 : fd_runtime_finalize_account( accdb, xid, pubkey, meta );
1139 87 : } else {
1140 12 : save_type = FD_RUNTIME_SAVE_UNCHANGED;
1141 12 : }
1142 99 : }
1143 :
1144 108 : return save_type;
1145 108 : }
1146 :
1147 : /* fd_runtime_commit_txn is a helper used by the non-tpool transaction
1148 : executor to finalize borrowed account changes back into funk. It also
1149 : handles txncache insertion and updates to the vote/stake cache.
1150 : TODO: This function should probably be moved to fd_executor.c. */
1151 :
1152 : void
1153 : fd_runtime_commit_txn( fd_runtime_t * runtime,
1154 : fd_bank_t * bank,
1155 57 : fd_txn_out_t * txn_out ) {
1156 :
1157 57 : if( FD_UNLIKELY( !txn_out->err.is_committable ) ) {
1158 0 : FD_LOG_CRIT(( "fd_runtime_commit_txn: transaction is not committable" ));
1159 0 : }
1160 :
1161 57 : txn_out->details.commit_start_timestamp = fd_tickcount();
1162 :
1163 : /* Release executable accounts */
1164 :
1165 57 : for( ulong i=0UL; i<runtime->accounts.executable_cnt; i++ ) {
1166 0 : fd_accdb_close_ro( runtime->accdb, &runtime->accounts.executable[i] );
1167 0 : }
1168 57 : runtime->accounts.executable_cnt = 0UL;
1169 :
1170 : /* Release read-only accounts */
1171 :
1172 192 : for( ulong i=0UL; i<txn_out->accounts.cnt; i++ ) {
1173 135 : if( !txn_out->accounts.is_writable[i] ) {
1174 27 : fd_accdb_close_ro( runtime->accdb, txn_out->accounts.account[i].ro );
1175 27 : }
1176 135 : }
1177 :
1178 57 : fd_funk_txn_xid_t xid = fd_bank_xid( bank );
1179 :
1180 57 : if( FD_UNLIKELY( txn_out->err.txn_err ) ) {
1181 :
1182 : /* Save the fee_payer. Everything but the fee balance should be reset.
1183 : TODO: an optimization here could be to use a dirty flag in the
1184 : borrowed account. If the borrowed account data has been changed in
1185 : any way, then the full account can be rolled back as it is done now.
1186 : However, most of the time the account data is not changed, and only
1187 : the lamport balance has to change. */
1188 :
1189 : /* With nonce account rollbacks, there are three cases:
1190 : 1. No nonce account in the transaction
1191 : 2. Nonce account is the fee payer
1192 : 3. Nonce account is not the fee payer
1193 :
1194 : We should always rollback the nonce account first. Note that the nonce account may be the fee payer (case 2). */
1195 0 : if( txn_out->accounts.nonce_idx_in_txn!=ULONG_MAX ) {
1196 0 : int save_type =
1197 0 : fd_runtime_save_account(
1198 0 : runtime->accdb,
1199 0 : &xid,
1200 0 : &txn_out->accounts.keys[txn_out->accounts.nonce_idx_in_txn],
1201 0 : txn_out->accounts.rollback_nonce,
1202 0 : bank,
1203 0 : runtime->log.capture_ctx );
1204 0 : runtime->metrics.txn_account_save[ save_type ]++;
1205 0 : }
1206 : /* Now, we must only save the fee payer if the nonce account was not the fee payer (because that was already saved above) */
1207 0 : if( FD_LIKELY( txn_out->accounts.nonce_idx_in_txn!=FD_FEE_PAYER_TXN_IDX ) ) {
1208 0 : int save_type =
1209 0 : fd_runtime_save_account(
1210 0 : runtime->accdb,
1211 0 : &xid,
1212 0 : &txn_out->accounts.keys[FD_FEE_PAYER_TXN_IDX],
1213 0 : txn_out->accounts.rollback_fee_payer,
1214 0 : bank,
1215 0 : runtime->log.capture_ctx );
1216 0 : runtime->metrics.txn_account_save[ save_type ]++;
1217 0 : }
1218 57 : } else {
1219 :
1220 :
1221 57 : fd_top_votes_t * top_votes = fd_bank_top_votes_t_2_modify( bank );
1222 192 : for( ushort i=0; i<txn_out->accounts.cnt; i++ ) {
1223 : /* We are only interested in saving writable accounts and the fee
1224 : payer account. */
1225 135 : if( !txn_out->accounts.is_writable[i] ) {
1226 27 : continue;
1227 27 : }
1228 :
1229 108 : fd_pubkey_t const * pubkey = &txn_out->accounts.keys[i];
1230 108 : fd_accdb_rw_t * account = &txn_out->accounts.account[i];
1231 :
1232 108 : if( txn_out->accounts.stake_update[i] ) {
1233 3 : fd_stakes_update_stake_delegation( pubkey, account->meta, bank );
1234 3 : }
1235 :
1236 108 : if( txn_out->accounts.new_vote[i] &&
1237 108 : !FD_FEATURE_ACTIVE_BANK( bank, validator_admission_ticket ) ) {
1238 6 : fd_new_votes_t * new_votes = fd_bank_new_votes( bank );
1239 6 : fd_new_votes_insert( new_votes, bank->new_votes_fork_id, pubkey );
1240 6 : }
1241 108 : if( txn_out->accounts.rm_vote[i] &&
1242 108 : !FD_FEATURE_ACTIVE_BANK( bank, validator_admission_ticket ) ) {
1243 3 : fd_new_votes_t * new_votes = fd_bank_new_votes( bank );
1244 3 : fd_new_votes_remove( new_votes, bank->new_votes_fork_id, pubkey );
1245 3 : }
1246 :
1247 108 : if( txn_out->accounts.vote_update[i] ) {
1248 0 : fd_vote_block_timestamp_t last_vote;
1249 0 : if( FD_UNLIKELY( fd_accdb_ref_lamports( account->ro )==0UL ||
1250 0 : !fd_vsv_is_correct_size_owner_and_init( account->meta ) ||
1251 0 : fd_vote_account_last_timestamp( fd_account_data( account->meta ), account->meta->dlen, &last_vote ) ) ) {
1252 0 : fd_top_votes_invalidate( top_votes, pubkey );
1253 0 : } else {
1254 0 : fd_top_votes_update( top_votes, pubkey, last_vote.slot, last_vote.timestamp );
1255 0 : }
1256 0 : }
1257 :
1258 108 : int save_type = fd_runtime_save_account( runtime->accdb, &xid, pubkey, account->meta, bank, runtime->log.capture_ctx );
1259 108 : runtime->metrics.txn_account_save[ save_type ]++;
1260 108 : }
1261 :
1262 : /* Atomically add all accumulated tips to the bank once after processing all accounts */
1263 57 : if( txn_out->details.tips>0UL )
1264 0 : FD_ATOMIC_FETCH_AND_ADD( &bank->f.tips, txn_out->details.tips );
1265 57 : }
1266 :
1267 : /* Accumulate block-level information to the bank. */
1268 :
1269 57 : FD_ATOMIC_FETCH_AND_ADD( &bank->f.txn_count, 1UL );
1270 57 : FD_ATOMIC_FETCH_AND_ADD( &bank->f.execution_fees, txn_out->details.execution_fee );
1271 57 : FD_ATOMIC_FETCH_AND_ADD( &bank->f.priority_fees, txn_out->details.priority_fee );
1272 57 : FD_ATOMIC_FETCH_AND_ADD( &bank->f.signature_count, txn_out->details.signature_count );
1273 :
1274 57 : if( !txn_out->details.is_simple_vote ) {
1275 57 : FD_ATOMIC_FETCH_AND_ADD( &bank->f.nonvote_txn_count, 1 );
1276 57 : if( FD_UNLIKELY( txn_out->err.exec_err ) ) {
1277 0 : FD_ATOMIC_FETCH_AND_ADD( &bank->f.nonvote_failed_txn_count, 1 );
1278 0 : }
1279 57 : }
1280 :
1281 57 : if( FD_UNLIKELY( txn_out->err.exec_err ) ) {
1282 0 : FD_ATOMIC_FETCH_AND_ADD( &bank->f.failed_txn_count, 1 );
1283 0 : }
1284 :
1285 57 : 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 );
1286 :
1287 : /* Update the cost tracker. */
1288 :
1289 57 : fd_cost_tracker_t * cost_tracker = fd_bank_cost_tracker_modify( bank );
1290 57 : int res = fd_cost_tracker_try_add_cost( cost_tracker, txn_out );
1291 57 : if( FD_UNLIKELY( res!=FD_COST_TRACKER_SUCCESS ) ) {
1292 0 : FD_LOG_DEBUG(( "fd_runtime_commit_txn: transaction failed to fit into block %d", res ));
1293 0 : txn_out->err.is_committable = 0;
1294 0 : txn_out->err.txn_err = fd_cost_tracker_err_to_runtime_err( res );
1295 0 : }
1296 :
1297 : /* Finally, update the status cache. */
1298 :
1299 57 : if( FD_LIKELY( runtime->status_cache && txn_out->accounts.nonce_idx_in_txn==ULONG_MAX ) ) {
1300 : /* In Agave, durable nonce transactions are inserted to the status
1301 : cache the same as any others, but this is only to serve RPC
1302 : requests, they do not need to be in there for correctness as the
1303 : nonce mechanism itself prevents double spend. We skip this logic
1304 : entirely to simplify and improve performance of the txn cache. */
1305 :
1306 0 : fd_txncache_insert( runtime->status_cache, bank->txncache_fork_id, txn_out->details.blockhash.uc, txn_out->details.blake_txn_msg_hash.uc );
1307 0 : }
1308 :
1309 192 : for( ushort i=0; i<txn_out->accounts.cnt; i++ ) {
1310 135 : if( txn_out->accounts.is_writable[i] ) {
1311 108 : fd_acc_pool_release( runtime->acc_pool, fd_type_pun( txn_out->accounts.account[i].meta ) );
1312 108 : }
1313 135 : }
1314 :
1315 57 : fd_acc_pool_release( runtime->acc_pool, txn_out->accounts.rollback_nonce_mem );
1316 57 : fd_acc_pool_release( runtime->acc_pool, txn_out->accounts.rollback_fee_payer_mem );
1317 57 : }
1318 :
1319 : void
1320 : fd_runtime_cancel_txn( fd_runtime_t * runtime,
1321 45 : fd_txn_out_t * txn_out ) {
1322 :
1323 45 : if( FD_UNLIKELY( txn_out->err.is_committable ) ) {
1324 0 : FD_LOG_CRIT(( "fd_runtime_cancel_txn: transaction is committable" ));
1325 0 : }
1326 :
1327 45 : if( !txn_out->accounts.is_setup ) {
1328 0 : return;
1329 0 : }
1330 :
1331 48 : for( ulong i=0UL; i<runtime->accounts.executable_cnt; i++ ) {
1332 3 : fd_accdb_close_ro( runtime->accdb, &runtime->accounts.executable[i] );
1333 3 : }
1334 45 : runtime->accounts.executable_cnt = 0UL;
1335 :
1336 204 : for( ushort i=0; i<txn_out->accounts.cnt; i++ ) {
1337 159 : if( txn_out->accounts.is_writable[i] ) {
1338 90 : fd_acc_pool_release( runtime->acc_pool, fd_type_pun( txn_out->accounts.account[i].meta ) );
1339 90 : } else {
1340 69 : fd_accdb_close_ro( runtime->accdb, txn_out->accounts.account[i].ro );
1341 69 : }
1342 159 : }
1343 :
1344 45 : fd_acc_pool_release( runtime->acc_pool, txn_out->accounts.rollback_nonce_mem );
1345 45 : fd_acc_pool_release( runtime->acc_pool, txn_out->accounts.rollback_fee_payer_mem );
1346 45 : }
1347 :
1348 : static inline void
1349 189 : fd_runtime_reset_runtime( fd_runtime_t * runtime ) {
1350 189 : runtime->instr.stack_sz = 0;
1351 189 : runtime->instr.trace_length = 0UL;
1352 : /* The only condition where the executable count of the current
1353 : runtime is not 0 is when a bundle of transaction is being executed.
1354 : In this case, close any outstanding executable accounts. */
1355 192 : for( ulong i=0UL; i<runtime->accounts.executable_cnt; i++ ) {
1356 3 : fd_accdb_close_ro( runtime->accdb, &runtime->accounts.executable[i] );
1357 3 : }
1358 189 : runtime->accounts.executable_cnt = 0UL;
1359 :
1360 189 : }
1361 :
1362 : static inline void
1363 : fd_runtime_new_txn_out( fd_txn_in_t const * txn_in,
1364 189 : fd_txn_out_t * txn_out ) {
1365 189 : txn_out->details.prep_start_timestamp = fd_tickcount();
1366 189 : txn_out->details.load_start_timestamp = LONG_MAX;
1367 189 : txn_out->details.exec_start_timestamp = LONG_MAX;
1368 189 : txn_out->details.commit_start_timestamp = LONG_MAX;
1369 :
1370 189 : fd_compute_budget_details_new( &txn_out->details.compute_budget );
1371 :
1372 189 : txn_out->details.loaded_accounts_data_size = 0UL;
1373 189 : txn_out->details.accounts_resize_delta = 0L;
1374 :
1375 189 : txn_out->details.return_data.len = 0UL;
1376 189 : memset( txn_out->details.return_data.program_id.key, 0, sizeof(fd_pubkey_t) );
1377 :
1378 189 : txn_out->details.tips = 0UL;
1379 189 : txn_out->details.execution_fee = 0UL;
1380 189 : txn_out->details.priority_fee = 0UL;
1381 189 : txn_out->details.signature_count = 0UL;
1382 :
1383 189 : txn_out->details.signature_count = TXN( txn_in->txn )->signature_cnt;
1384 189 : txn_out->details.is_simple_vote = fd_txn_is_simple_vote_transaction( TXN( txn_in->txn ), txn_in->txn->payload );
1385 :
1386 189 : fd_hash_t * blockhash = (fd_hash_t *)((uchar *)txn_in->txn->payload + TXN( txn_in->txn )->recent_blockhash_off);
1387 189 : memcpy( txn_out->details.blockhash.uc, blockhash->hash, sizeof(fd_hash_t) );
1388 :
1389 189 : txn_out->accounts.is_setup = 0;
1390 189 : txn_out->accounts.cnt = 0UL;
1391 189 : txn_out->accounts.rollback_nonce = NULL;
1392 189 : txn_out->accounts.rollback_fee_payer = NULL;
1393 189 : memset( txn_out->accounts.stake_update, 0, sizeof(txn_out->accounts.stake_update) );
1394 189 : memset( txn_out->accounts.vote_update, 0, sizeof(txn_out->accounts.vote_update) );
1395 189 : memset( txn_out->accounts.new_vote, 0, sizeof(txn_out->accounts.new_vote) );
1396 189 : memset( txn_out->accounts.rm_vote, 0, sizeof(txn_out->accounts.rm_vote) );
1397 :
1398 189 : txn_out->err.is_committable = 1;
1399 189 : txn_out->err.is_fees_only = 0;
1400 189 : txn_out->err.txn_err = FD_RUNTIME_EXECUTE_SUCCESS;
1401 189 : txn_out->err.exec_err = FD_EXECUTOR_INSTR_SUCCESS;
1402 189 : txn_out->err.exec_err_kind = FD_EXECUTOR_ERR_KIND_NONE;
1403 189 : txn_out->err.exec_err_idx = INT_MAX;
1404 189 : txn_out->err.custom_err = 0;
1405 189 : }
1406 :
1407 : void
1408 : fd_runtime_prepare_and_execute_txn( fd_runtime_t * runtime,
1409 : fd_bank_t * bank,
1410 : fd_txn_in_t const * txn_in,
1411 189 : fd_txn_out_t * txn_out ) {
1412 :
1413 189 : fd_runtime_reset_runtime( runtime );
1414 :
1415 189 : fd_runtime_new_txn_out( txn_in, txn_out );
1416 :
1417 : /* Set up the core account keys before any pre-execution checks.
1418 : This is needed both for execution and for protobuf context
1419 : dumping. */
1420 189 : fd_executor_setup_txn_account_keys( txn_in, txn_out );
1421 :
1422 189 : uchar dump_txn = !!( runtime->log.dump_proto_ctx &&
1423 189 : bank->f.slot >= runtime->log.dump_proto_ctx->dump_proto_start_slot &&
1424 189 : runtime->log.dump_proto_ctx->dump_txn_to_pb );
1425 :
1426 : /* Phase 1: Capture TxnContext before execution. */
1427 189 : if( FD_UNLIKELY( dump_txn ) ) {
1428 0 : if( runtime->log.txn_dump_ctx ) {
1429 0 : fd_dump_txn_context_to_protobuf( runtime->log.txn_dump_ctx, runtime, bank, txn_in, txn_out );
1430 0 : } else {
1431 0 : fd_dump_txn_to_protobuf( runtime, bank, txn_in, txn_out );
1432 0 : }
1433 0 : }
1434 :
1435 : /* Transaction sanitization. If a transaction can't be commited or is
1436 : fees-only, we return early. */
1437 189 : txn_out->err.txn_err = fd_runtime_pre_execute_check( runtime, bank, txn_in, txn_out );
1438 189 : ulong cu_before = txn_out->details.compute_budget.compute_meter;
1439 :
1440 : /* Execute the transaction if eligible to do so. */
1441 189 : if( FD_LIKELY( txn_out->err.is_committable ) ) {
1442 183 : if( FD_LIKELY( !txn_out->err.is_fees_only ) ) {
1443 183 : txn_out->err.txn_err = fd_execute_txn( runtime, bank, txn_in, txn_out );
1444 183 : }
1445 183 : fd_cost_tracker_calculate_cost( bank, txn_in, txn_out );
1446 183 : }
1447 189 : ulong cu_after = txn_out->details.compute_budget.compute_meter;
1448 189 : runtime->metrics.cu_cum += fd_ulong_sat_sub( cu_before, cu_after );
1449 :
1450 : /* Phase 2: Capture TxnResult after execution and write to disk. */
1451 189 : if( FD_UNLIKELY( dump_txn && runtime->log.txn_dump_ctx ) ) {
1452 0 : fd_dump_txn_result_to_protobuf( runtime->log.txn_dump_ctx, txn_in, txn_out, txn_out->err.txn_err );
1453 0 : fd_dump_txn_fixture_to_file( runtime->log.txn_dump_ctx, runtime->log.dump_proto_ctx, txn_in );
1454 0 : }
1455 189 : }
1456 :
1457 : /* fd_executor_txn_verify and fd_runtime_pre_execute_check are responisble
1458 : for the bulk of the pre-transaction execution checks in the runtime.
1459 : They aim to preserve the ordering present in the Agave client to match
1460 : parity in terms of error codes. Sigverify is kept separate from the rest
1461 : of the transaction checks for fuzzing convenience.
1462 :
1463 : For reference this is the general code path which contains all relevant
1464 : pre-transactions checks in the v2.0.x Agave client from upstream
1465 : to downstream is as follows:
1466 :
1467 : confirm_slot_entries() which calls verify_ticks() and
1468 : verify_transaction(). verify_transaction() calls verify_and_hash_message()
1469 : and verify_precompiles() which parallels fd_executor_txn_verify() and
1470 : fd_executor_verify_transaction().
1471 :
1472 : process_entries() contains a duplicate account check which is part of
1473 : agave account lock acquiring. This is checked inline in
1474 : fd_runtime_pre_execute_check().
1475 :
1476 : load_and_execute_transactions() contains the function check_transactions().
1477 : This contains check_age() and check_status_cache() which is paralleled by
1478 : fd_executor_check_transaction_age_and_compute_budget_limits() and
1479 : fd_executor_check_status_cache() respectively.
1480 :
1481 : load_and_execute_sanitized_transactions() contains validate_fees()
1482 : which is responsible for executing the compute budget instructions,
1483 : validating the fee payer and collecting the fee. This is mirrored in
1484 : firedancer with fd_executor_compute_budget_program_execute_instructions()
1485 : and fd_executor_collect_fees(). load_and_execute_sanitized_transactions()
1486 : also checks the total data size of the accounts in load_accounts() and
1487 : validates the program accounts in load_transaction_accounts(). This
1488 : is paralled by fd_executor_load_transaction_accounts(). */
1489 :
1490 :
1491 : /******************************************************************************/
1492 : /* Genesis */
1493 : /*******************************************************************************/
1494 :
1495 : static void
1496 : fd_runtime_genesis_init_program( fd_bank_t * bank,
1497 : fd_accdb_user_t * accdb,
1498 : fd_funk_txn_xid_t const * xid,
1499 0 : fd_capture_ctx_t * capture_ctx ) {
1500 :
1501 0 : fd_sysvar_clock_init( bank, accdb, xid, capture_ctx );
1502 0 : fd_sysvar_rent_init( bank, accdb, xid, capture_ctx );
1503 :
1504 0 : fd_sysvar_slot_history_init( bank, accdb, xid, capture_ctx );
1505 0 : fd_sysvar_epoch_schedule_init( bank, accdb, xid, capture_ctx );
1506 0 : fd_sysvar_recent_hashes_init( bank, accdb, xid, capture_ctx );
1507 0 : fd_sysvar_stake_history_init( bank, accdb, xid, capture_ctx );
1508 0 : fd_sysvar_last_restart_slot_init( bank, accdb, xid, capture_ctx );
1509 :
1510 0 : fd_builtin_programs_init( bank, accdb, xid, capture_ctx );
1511 0 : }
1512 :
1513 : static void
1514 : fd_runtime_init_bank_from_genesis( fd_banks_t * banks,
1515 : fd_bank_t * bank,
1516 : fd_runtime_stack_t * runtime_stack,
1517 : fd_accdb_user_t * accdb,
1518 : fd_funk_txn_xid_t const * xid,
1519 : fd_genesis_t const * genesis,
1520 : uchar const * genesis_blob,
1521 0 : fd_hash_t const * genesis_hash ) {
1522 :
1523 0 : bank->f.parent_slot = ULONG_MAX;
1524 0 : bank->f.poh = *genesis_hash;
1525 :
1526 0 : fd_hash_t * bank_hash = &bank->f.bank_hash;
1527 0 : memset( bank_hash->hash, 0, FD_SHA256_HASH_SZ );
1528 :
1529 0 : uint128 target_tick_duration = (uint128)genesis->poh.tick_duration_secs * 1000000000UL + (uint128)genesis->poh.tick_duration_ns;
1530 :
1531 0 : fd_epoch_schedule_t * epoch_schedule = &bank->f.epoch_schedule;
1532 0 : epoch_schedule->leader_schedule_slot_offset = genesis->epoch_schedule.leader_schedule_slot_offset;
1533 0 : epoch_schedule->warmup = genesis->epoch_schedule.warmup;
1534 0 : epoch_schedule->first_normal_epoch = genesis->epoch_schedule.first_normal_epoch;
1535 0 : epoch_schedule->first_normal_slot = genesis->epoch_schedule.first_normal_slot;
1536 0 : epoch_schedule->slots_per_epoch = genesis->epoch_schedule.slots_per_epoch;
1537 :
1538 0 : fd_rent_t * rent = &bank->f.rent;
1539 0 : rent->lamports_per_uint8_year = genesis->rent.lamports_per_uint8_year;
1540 0 : rent->exemption_threshold = genesis->rent.exemption_threshold;
1541 0 : rent->burn_percent = genesis->rent.burn_percent;
1542 :
1543 0 : fd_inflation_t * inflation = &bank->f.inflation;
1544 0 : inflation->initial = genesis->inflation.initial;
1545 0 : inflation->terminal = genesis->inflation.terminal;
1546 0 : inflation->taper = genesis->inflation.taper;
1547 0 : inflation->foundation = genesis->inflation.foundation;
1548 0 : inflation->foundation_term = genesis->inflation.foundation_term;
1549 0 : inflation->unused = 0.0;
1550 :
1551 0 : bank->f.block_height = 0UL;
1552 :
1553 0 : {
1554 : /* FIXME Why is there a previous blockhash at genesis? Why is the
1555 : last_hash field an option type in Agave, if even the first
1556 : real block has a previous blockhash? */
1557 0 : fd_blockhashes_t * bhq = fd_blockhashes_init( &bank->f.block_hash_queue, 0UL );
1558 0 : fd_blockhash_info_t * info = fd_blockhashes_push_new( bhq, genesis_hash );
1559 0 : info->lamports_per_signature = 0UL;
1560 0 : }
1561 :
1562 0 : fd_fee_rate_governor_t * fee_rate_governor = &bank->f.fee_rate_governor;
1563 0 : fee_rate_governor->target_lamports_per_signature = genesis->fee_rate_governor.target_lamports_per_signature;
1564 0 : fee_rate_governor->target_signatures_per_slot = genesis->fee_rate_governor.target_signatures_per_slot;
1565 0 : fee_rate_governor->min_lamports_per_signature = genesis->fee_rate_governor.min_lamports_per_signature;
1566 0 : fee_rate_governor->max_lamports_per_signature = genesis->fee_rate_governor.max_lamports_per_signature;
1567 0 : fee_rate_governor->burn_percent = genesis->fee_rate_governor.burn_percent;
1568 :
1569 0 : bank->f.max_tick_height = genesis->poh.ticks_per_slot * (bank->f.slot + 1);
1570 :
1571 0 : bank->f.hashes_per_tick = genesis->poh.hashes_per_tick;
1572 :
1573 0 : bank->f.ns_per_slot = (fd_w_u128_t) { .ud=target_tick_duration * genesis->poh.ticks_per_slot };
1574 :
1575 0 : bank->f.ticks_per_slot = genesis->poh.ticks_per_slot;
1576 :
1577 0 : bank->f.genesis_creation_time = genesis->creation_time;
1578 :
1579 0 : bank->f.slots_per_year = SECONDS_PER_YEAR * (1000000000.0 / (double)target_tick_duration) / (double)genesis->poh.ticks_per_slot;
1580 :
1581 0 : bank->f.signature_count = 0UL;
1582 :
1583 : /* Derive epoch stakes */
1584 :
1585 0 : fd_stake_delegations_t * stake_delegations = fd_banks_stake_delegations_root_query( banks );
1586 0 : if( FD_UNLIKELY( !stake_delegations ) ) {
1587 0 : FD_LOG_CRIT(( "Failed to join and new a stake delegations" ));
1588 0 : }
1589 :
1590 0 : ulong capitalization = 0UL;
1591 :
1592 0 : for( ulong i=0UL; i<genesis->account_cnt; i++ ) {
1593 0 : fd_genesis_account_t account[1];
1594 0 : fd_genesis_account( genesis, genesis_blob, account, i );
1595 :
1596 0 : capitalization = fd_ulong_sat_add( capitalization, account->meta.lamports );
1597 :
1598 0 : uchar const * acc_data = account->data;
1599 :
1600 0 : if( !memcmp( account->meta.owner, fd_solana_stake_program_id.key, sizeof(fd_pubkey_t) ) ) {
1601 : /* If an account is a stake account, then it must be added to the
1602 : stake delegations cache. We should only add stake accounts that
1603 : have a valid non-zero stake. */
1604 0 : fd_stake_state_t const * stake_state = fd_stake_state_view( acc_data, account->meta.dlen );
1605 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 )); }
1606 0 : if( stake_state->stake_type!=FD_STAKE_STATE_STAKE ) continue;
1607 0 : if( !stake_state->stake.stake.delegation.stake ) continue;
1608 :
1609 0 : fd_stake_delegations_root_update(
1610 0 : stake_delegations,
1611 0 : &account->pubkey,
1612 0 : &stake_state->stake.stake.delegation.voter_pubkey,
1613 0 : stake_state->stake.stake.delegation.stake,
1614 0 : stake_state->stake.stake.delegation.activation_epoch,
1615 0 : stake_state->stake.stake.delegation.deactivation_epoch,
1616 0 : stake_state->stake.stake.credits_observed,
1617 0 : FD_STAKE_DELEGATIONS_WARMUP_COOLDOWN_RATE_ENUM_025 /* genesis is epoch 0, always 0.25 */ );
1618 :
1619 0 : } else if( !memcmp( account->meta.owner, fd_solana_feature_program_id.key, sizeof(fd_pubkey_t) ) ) {
1620 : /* Feature Account */
1621 :
1622 : /* Scan list of feature IDs to resolve address=>feature offset */
1623 0 : fd_feature_id_t const *found = NULL;
1624 0 : for( fd_feature_id_t const * id = fd_feature_iter_init();
1625 0 : !fd_feature_iter_done( id );
1626 0 : id = fd_feature_iter_next( id ) ) {
1627 0 : if( fd_pubkey_eq( &account->pubkey, &id->id ) ) {
1628 0 : found = id;
1629 0 : break;
1630 0 : }
1631 0 : }
1632 :
1633 0 : if( found ) {
1634 : /* Load feature activation */
1635 0 : fd_feature_t feature[1];
1636 0 : if( FD_UNLIKELY( !fd_feature_decode( feature, acc_data, account->meta.dlen ) ) ) {
1637 0 : FD_BASE58_ENCODE_32_BYTES( account->pubkey.uc, addr_b58 );
1638 0 : FD_LOG_WARNING(( "genesis contains corrupt feature account %s", addr_b58 ));
1639 0 : FD_LOG_HEXDUMP_ERR(( "data", acc_data, account->meta.dlen ));
1640 0 : }
1641 0 : fd_features_t * features = &bank->f.features;
1642 0 : if( feature->is_active ) {
1643 0 : FD_BASE58_ENCODE_32_BYTES( account->pubkey.uc, pubkey_b58 );
1644 0 : FD_LOG_DEBUG(( "feature %s activated at slot %lu (genesis)", pubkey_b58, feature->activation_slot ));
1645 0 : fd_features_set( features, found, feature->activation_slot );
1646 0 : } else {
1647 0 : FD_BASE58_ENCODE_32_BYTES( account->pubkey.uc, pubkey_b58 );
1648 0 : FD_LOG_DEBUG(( "feature %s not activated (genesis)", pubkey_b58 ));
1649 0 : fd_features_set( features, found, ULONG_MAX );
1650 0 : }
1651 0 : }
1652 0 : }
1653 0 : }
1654 :
1655 : /* fd_refresh_vote_accounts is responsible for updating the vote
1656 : states with the total amount of active delegated stake. It does
1657 : this by iterating over all active stake delegations and summing up
1658 : the amount of stake that is delegated to each vote account. */
1659 :
1660 0 : ulong new_rate_activation_epoch = 0UL;
1661 :
1662 0 : {
1663 0 : fd_stake_history_t stake_history_[1];
1664 0 : fd_accdb_ro_t ro_[1];
1665 0 : fd_stake_history_t * stake_history = NULL;
1666 0 : fd_accdb_ro_t * ro = fd_accdb_open_ro( accdb, ro_, xid, &fd_sysvar_stake_history_id );
1667 0 : if( ro ) stake_history = fd_sysvar_stake_history_view( stake_history_, fd_accdb_ref_data_const( ro ), fd_accdb_ref_data_sz( ro ) );
1668 :
1669 0 : fd_refresh_vote_accounts(
1670 0 : bank,
1671 0 : accdb,
1672 0 : xid,
1673 0 : runtime_stack,
1674 0 : stake_delegations,
1675 0 : stake_history,
1676 0 : &new_rate_activation_epoch );
1677 :
1678 0 : if( FD_LIKELY( ro ) ) fd_accdb_close_ro( accdb, ro );
1679 0 : }
1680 :
1681 0 : fd_vote_stakes_t * vote_stakes = fd_bank_vote_stakes( bank );
1682 0 : fd_vote_stakes_genesis_fini( vote_stakes );
1683 :
1684 0 : bank->f.epoch = 0UL;
1685 :
1686 0 : bank->f.capitalization = capitalization;
1687 0 : }
1688 :
1689 : static int
1690 : fd_runtime_process_genesis_block( fd_bank_t * bank,
1691 : fd_accdb_user_t * accdb,
1692 : fd_funk_txn_xid_t const * xid,
1693 : fd_capture_ctx_t * capture_ctx,
1694 0 : fd_runtime_stack_t * runtime_stack ) {
1695 :
1696 0 : fd_hash_t * poh = &bank->f.poh;
1697 0 : ulong hashcnt_per_slot = bank->f.hashes_per_tick * bank->f.ticks_per_slot;
1698 0 : while( hashcnt_per_slot-- ) {
1699 0 : fd_sha256_hash( poh->hash, sizeof(fd_hash_t), poh->hash );
1700 0 : }
1701 :
1702 0 : bank->f.execution_fees = 0UL;
1703 :
1704 0 : bank->f.priority_fees = 0UL;
1705 :
1706 0 : bank->f.signature_count = 0UL;
1707 :
1708 0 : bank->f.txn_count = 0UL;
1709 :
1710 0 : bank->f.failed_txn_count = 0UL;
1711 :
1712 0 : bank->f.nonvote_failed_txn_count = 0UL;
1713 :
1714 0 : bank->f.total_compute_units_used = 0UL;
1715 :
1716 0 : fd_runtime_genesis_init_program( bank, accdb, xid, capture_ctx );
1717 :
1718 0 : fd_sysvar_slot_history_update( bank, accdb, xid, capture_ctx );
1719 :
1720 0 : fd_runtime_update_leaders( bank, runtime_stack );
1721 :
1722 0 : fd_runtime_freeze( bank, accdb, capture_ctx );
1723 :
1724 0 : fd_lthash_value_t const * lthash = fd_bank_lthash_locking_query( bank );
1725 :
1726 0 : fd_hash_t const * prev_bank_hash = &bank->f.bank_hash;
1727 :
1728 0 : fd_hash_t * bank_hash = &bank->f.bank_hash;
1729 0 : fd_hashes_hash_bank(
1730 0 : lthash,
1731 0 : prev_bank_hash,
1732 0 : (fd_hash_t *)bank->f.poh.hash,
1733 0 : 0UL,
1734 0 : bank_hash );
1735 :
1736 0 : fd_bank_lthash_end_locking_query( bank );
1737 :
1738 0 : return FD_RUNTIME_EXECUTE_SUCCESS;
1739 0 : }
1740 :
1741 : void
1742 : fd_runtime_read_genesis( fd_banks_t * banks,
1743 : fd_bank_t * bank,
1744 : fd_accdb_user_t * accdb,
1745 : fd_funk_txn_xid_t const * xid,
1746 : fd_capture_ctx_t * capture_ctx,
1747 : fd_hash_t const * genesis_hash,
1748 : fd_lthash_value_t const * genesis_lthash,
1749 : fd_genesis_t const * genesis,
1750 : uchar const * genesis_blob,
1751 0 : fd_runtime_stack_t * runtime_stack ) {
1752 :
1753 0 : fd_lthash_value_t * lthash = fd_bank_lthash_locking_modify( bank );
1754 0 : *lthash = *genesis_lthash;
1755 0 : fd_bank_lthash_end_locking_modify( bank );
1756 :
1757 : /* Once the accounts have been loaded from the genesis config into
1758 : the accounts db, we can initialize the bank state. This involves
1759 : setting some fields, and notably setting up the vote and stake
1760 : caches which are used for leader scheduling/rewards. */
1761 :
1762 0 : fd_runtime_init_bank_from_genesis( banks, bank, runtime_stack, accdb, xid, genesis, genesis_blob, genesis_hash );
1763 :
1764 : /* Write the native programs to the accounts db. */
1765 :
1766 0 : for( ulong i=0UL; i<genesis->builtin_cnt; i++ ) {
1767 0 : fd_genesis_builtin_t builtin[1];
1768 0 : fd_genesis_builtin( genesis, genesis_blob, builtin, i );
1769 0 : fd_write_builtin_account( bank, accdb, xid, capture_ctx, builtin->pubkey, builtin->data, builtin->dlen );
1770 0 : }
1771 :
1772 0 : fd_features_restore( bank, accdb, xid );
1773 :
1774 : /* At this point, state related to the bank and the accounts db
1775 : have been initialized and we are free to finish executing the
1776 : block. In practice, this updates some bank fields (notably the
1777 : poh and bank hash). */
1778 :
1779 0 : int err = fd_runtime_process_genesis_block( bank, accdb, xid, capture_ctx, runtime_stack );
1780 0 : if( FD_UNLIKELY( err ) ) FD_LOG_CRIT(( "genesis slot 0 execute failed with error %d", err ));
1781 0 : }
1782 :
1783 : void
1784 : fd_runtime_block_execute_finalize( fd_bank_t * bank,
1785 : fd_accdb_user_t * accdb,
1786 78 : fd_capture_ctx_t * capture_ctx ) {
1787 :
1788 : /* This slot is now "frozen" and can't be changed anymore. */
1789 78 : fd_runtime_freeze( bank, accdb, capture_ctx );
1790 :
1791 78 : fd_runtime_update_bank_hash( bank, capture_ctx );
1792 78 : }
1793 :
1794 :
1795 : /* Mirrors Agave function solana_sdk::transaction_context::find_index_of_account
1796 :
1797 : Backward scan over transaction accounts.
1798 : Returns -1 if not found.
1799 :
1800 : https://github.com/anza-xyz/agave/blob/v2.1.14/sdk/src/transaction_context.rs#L233-L238 */
1801 :
1802 : int
1803 : fd_runtime_find_index_of_account( fd_txn_out_t const * txn_out,
1804 10311 : fd_pubkey_t const * pubkey ) {
1805 24498 : for( ulong i=txn_out->accounts.cnt; i>0UL; i-- ) {
1806 21894 : if( 0==memcmp( pubkey, &txn_out->accounts.keys[ i-1UL ], sizeof(fd_pubkey_t) ) ) {
1807 7707 : return (int)(i-1UL);
1808 7707 : }
1809 21894 : }
1810 2604 : return -1;
1811 10311 : }
1812 :
1813 : fd_accdb_ref_t *
1814 : fd_runtime_get_account_at_index( fd_txn_in_t const * txn_in,
1815 : fd_txn_out_t * txn_out,
1816 : ushort idx,
1817 24213 : fd_txn_account_condition_fn_t * condition ) {
1818 24213 : if( FD_UNLIKELY( idx>=txn_out->accounts.cnt ) ) {
1819 0 : return NULL;
1820 0 : }
1821 :
1822 24213 : if( FD_LIKELY( condition != NULL ) ) {
1823 843 : if( FD_UNLIKELY( !condition( txn_in, txn_out, idx ) ) ) {
1824 21 : return NULL;
1825 21 : }
1826 843 : }
1827 :
1828 24192 : return txn_out->accounts.account[ idx ].ref;
1829 24213 : }
1830 :
1831 : fd_accdb_ref_t *
1832 : fd_runtime_get_account_with_key( fd_txn_in_t const * txn_in,
1833 : fd_txn_out_t * txn_out,
1834 : fd_pubkey_t const * pubkey,
1835 : int * index_out,
1836 0 : fd_txn_account_condition_fn_t * condition ) {
1837 0 : int index = fd_runtime_find_index_of_account( txn_out, pubkey );
1838 0 : if( FD_UNLIKELY( index<0 ) ) return NULL;
1839 :
1840 0 : *index_out = index;
1841 :
1842 0 : return fd_runtime_get_account_at_index( txn_in, txn_out, (uchar)index, condition );
1843 0 : }
1844 :
1845 : fd_accdb_ro_t *
1846 : fd_runtime_get_executable_account( fd_runtime_t * runtime,
1847 : fd_txn_in_t const * txn_in,
1848 : fd_txn_out_t * txn_out,
1849 0 : fd_pubkey_t const * pubkey ) {
1850 : /* First try to fetch the executable account from the existing
1851 : borrowed accounts. If the pubkey is in the account keys, then we
1852 : want to re-use that borrowed account since it reflects changes from
1853 : prior instructions. Referencing the read-only executable accounts
1854 : list is incorrect behavior when the program data account is written
1855 : to in a prior instruction (e.g. program upgrade + invoke within the
1856 : same txn) */
1857 :
1858 0 : fd_txn_account_condition_fn_t * condition = fd_runtime_account_check_exists;
1859 :
1860 0 : int index;
1861 0 : fd_accdb_ref_t * ref = fd_runtime_get_account_with_key(
1862 0 : txn_in, txn_out, pubkey, &index, condition );
1863 0 : if( FD_UNLIKELY( ref ) ) return fd_accdb_ref_ro( ref );
1864 :
1865 0 : for( ushort i=0; i<runtime->accounts.executable_cnt; i++ ) {
1866 0 : if( fd_pubkey_eq( pubkey, fd_accdb_ref_address( &runtime->accounts.executable[i] ) ) ) {
1867 0 : fd_accdb_ro_t * ro = &runtime->accounts.executable[i];
1868 0 : if( FD_UNLIKELY( !fd_account_meta_exists( ro->meta ) ) ) {
1869 0 : return NULL;
1870 0 : }
1871 0 : return ro;
1872 0 : }
1873 0 : }
1874 :
1875 0 : return NULL;
1876 0 : }
1877 :
1878 : int
1879 : fd_runtime_get_key_of_account_at_index( fd_txn_out_t * txn_out,
1880 : ushort idx,
1881 32295 : fd_pubkey_t const * * key ) {
1882 : /* Return a MissingAccount error if idx is out of bounds.
1883 : https://github.com/anza-xyz/agave/blob/v3.1.4/transaction-context/src/lib.rs#L187 */
1884 32295 : if( FD_UNLIKELY( idx>=txn_out->accounts.cnt ) ) {
1885 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_ACC;
1886 0 : }
1887 :
1888 32295 : *key = &txn_out->accounts.keys[ idx ];
1889 32295 : return FD_EXECUTOR_INSTR_SUCCESS;
1890 32295 : }
1891 :
1892 : /* https://github.com/anza-xyz/agave/blob/v2.1.1/sdk/program/src/message/versions/v0/loaded.rs#L162 */
1893 : int
1894 : fd_txn_account_is_demotion( const int idx,
1895 : const fd_txn_t * txn_descriptor,
1896 6084 : const uint bpf_upgradeable_in_txn ) {
1897 6084 : uint is_program = 0U;
1898 12192 : for( ulong j=0UL; j<txn_descriptor->instr_cnt; j++ ) {
1899 6108 : if( txn_descriptor->instr[j].program_id == idx ) {
1900 0 : is_program = 1U;
1901 0 : break;
1902 0 : }
1903 6108 : }
1904 :
1905 6084 : return (is_program && !bpf_upgradeable_in_txn);
1906 6084 : }
1907 :
1908 : uint
1909 : fd_txn_account_has_bpf_loader_upgradeable( const fd_pubkey_t * account_keys,
1910 6315 : const ulong accounts_cnt ) {
1911 20421 : for( ulong j=0; j<accounts_cnt; j++ ) {
1912 14169 : const fd_pubkey_t * acc = &account_keys[j];
1913 14169 : if ( memcmp( acc->uc, fd_solana_bpf_loader_upgradeable_program_id.key, sizeof(fd_pubkey_t) ) == 0 ) {
1914 63 : return 1U;
1915 63 : }
1916 14169 : }
1917 6252 : return 0U;
1918 6315 : }
1919 :
1920 : static inline int
1921 : fd_runtime_account_is_writable_idx_flat( const ushort idx,
1922 : const fd_pubkey_t * addr_at_idx,
1923 : const fd_txn_t * txn_descriptor,
1924 6315 : const uint bpf_upgradeable_in_txn ) {
1925 : /* https://github.com/anza-xyz/agave/blob/v2.1.11/sdk/program/src/message/sanitized.rs#L43 */
1926 6315 : if( !fd_txn_is_writable( txn_descriptor, idx ) ) {
1927 222 : return 0;
1928 222 : }
1929 :
1930 : /* See comments in fd_system_ids.h.
1931 : https://github.com/anza-xyz/agave/blob/v2.1.11/sdk/program/src/message/sanitized.rs#L44 */
1932 6093 : if( fd_pubkey_is_active_reserved_key( addr_at_idx ) ||
1933 6093 : fd_pubkey_is_pending_reserved_key( addr_at_idx ) ) {
1934 :
1935 9 : return 0;
1936 9 : }
1937 :
1938 6084 : if( fd_txn_account_is_demotion( idx, txn_descriptor, bpf_upgradeable_in_txn ) ) {
1939 0 : return 0;
1940 0 : }
1941 :
1942 6084 : return 1;
1943 6084 : }
1944 :
1945 :
1946 : /* This function aims to mimic the writable accounts check to populate the writable accounts cache, used
1947 : to determine if accounts are writable or not.
1948 :
1949 : https://github.com/anza-xyz/agave/blob/v2.1.11/sdk/program/src/message/sanitized.rs#L38-L47 */
1950 : int
1951 : fd_runtime_account_is_writable_idx( fd_txn_in_t const * txn_in,
1952 : fd_txn_out_t const * txn_out,
1953 6315 : ushort idx ) {
1954 6315 : uint bpf_upgradeable = fd_txn_account_has_bpf_loader_upgradeable( txn_out->accounts.keys, txn_out->accounts.cnt );
1955 6315 : return fd_runtime_account_is_writable_idx_flat( idx,
1956 6315 : &txn_out->accounts.keys[idx],
1957 6315 : TXN( txn_in->txn ),
1958 6315 : bpf_upgradeable );
1959 6315 : }
1960 :
1961 : /* Account pre-condition filtering functions */
1962 :
1963 : int
1964 : fd_runtime_account_check_exists( fd_txn_in_t const * txn_in,
1965 : fd_txn_out_t * txn_out,
1966 660 : ushort idx ) {
1967 660 : (void) txn_in;
1968 660 : return fd_account_meta_exists( txn_out->accounts.account[idx].meta );
1969 660 : }
1970 :
1971 : int
1972 : fd_runtime_account_check_fee_payer_writable( fd_txn_in_t const * txn_in,
1973 : fd_txn_out_t * txn_out,
1974 183 : ushort idx ) {
1975 183 : (void) txn_out;
1976 183 : return fd_txn_is_writable( TXN( txn_in->txn ), idx );
1977 183 : }
1978 :
1979 :
1980 : int
1981 366 : fd_account_meta_checked_sub_lamports( fd_account_meta_t * meta, ulong lamports ) {
1982 366 : ulong balance_post = 0UL;
1983 366 : int err = fd_ulong_checked_sub( meta->lamports,
1984 366 : lamports,
1985 366 : &balance_post );
1986 366 : if( FD_UNLIKELY( err ) ) {
1987 0 : return FD_EXECUTOR_INSTR_ERR_ARITHMETIC_OVERFLOW;
1988 0 : }
1989 :
1990 366 : meta->lamports = balance_post;
1991 366 : return FD_EXECUTOR_INSTR_SUCCESS;
1992 366 : }
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