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 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 = fd_bank_xid( bank );
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 3528 : ulong latest_signatures_per_slot ) {
374 :
375 3528 : fd_fee_rate_governor_t const * base_fee_rate_governor = &bank->f.fee_rate_governor;
376 :
377 3528 : ulong old_lamports_per_signature = bank->f.rbh_lamports_per_sig;
378 :
379 3528 : fd_fee_rate_governor_t me = {
380 3528 : .target_signatures_per_slot = base_fee_rate_governor->target_signatures_per_slot,
381 3528 : .target_lamports_per_signature = base_fee_rate_governor->target_lamports_per_signature,
382 3528 : .max_lamports_per_signature = base_fee_rate_governor->max_lamports_per_signature,
383 3528 : .min_lamports_per_signature = base_fee_rate_governor->min_lamports_per_signature,
384 3528 : .burn_percent = base_fee_rate_governor->burn_percent
385 3528 : };
386 :
387 3528 : ulong new_lamports_per_signature = 0;
388 3528 : 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 3522 : } else {
416 3522 : new_lamports_per_signature = base_fee_rate_governor->target_lamports_per_signature;
417 3522 : me.min_lamports_per_signature = me.target_lamports_per_signature;
418 3522 : me.max_lamports_per_signature = me.target_lamports_per_signature;
419 3522 : }
420 3528 : bank->f.fee_rate_governor = me;
421 3528 : bank->f.rbh_lamports_per_sig = new_lamports_per_signature;
422 3528 : }
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 : fd_features_set( features, id, FD_FEATURE_DISABLED );
487 :
488 34959 : if( id->reverted==1 ) return;
489 :
490 33411 : fd_accdb_ro_t ro[1];
491 33411 : if( FD_UNLIKELY( !fd_accdb_open_ro( accdb, ro, xid, addr ) ) ) {
492 33390 : return;
493 33390 : }
494 :
495 21 : if( FD_UNLIKELY( !fd_pubkey_eq( fd_accdb_ref_owner( ro ), &fd_solana_feature_program_id ) ) ) {
496 : /* Feature account not yet initialized */
497 3 : fd_accdb_close_ro( accdb, ro );
498 3 : return;
499 3 : }
500 :
501 18 : FD_BASE58_ENCODE_32_BYTES( addr->uc, addr_b58 );
502 :
503 18 : fd_feature_t feature;
504 18 : if( FD_UNLIKELY( !fd_feature_decode( &feature, fd_accdb_ref_data_const( ro ), fd_accdb_ref_data_sz( ro ) ) ) ) {
505 3 : FD_LOG_WARNING(( "cannot activate feature %s, corrupt account data", addr_b58 ));
506 3 : FD_LOG_HEXDUMP_NOTICE(( "corrupt feature account", fd_accdb_ref_data_const( ro ), fd_accdb_ref_data_sz( ro ) ));
507 3 : fd_accdb_close_ro( accdb, ro );
508 3 : return;
509 3 : }
510 15 : fd_accdb_close_ro( accdb, ro );
511 :
512 15 : if( feature.is_active ) {
513 12 : FD_LOG_DEBUG(( "feature %s already activated at slot %lu", addr_b58, feature.activation_slot ));
514 12 : fd_features_set( features, id, feature.activation_slot);
515 12 : } else {
516 3 : FD_LOG_DEBUG(( "feature %s not activated at slot %lu, activating", addr_b58, bank->f.slot ));
517 3 : fd_accdb_rw_t rw[1]; fd_accdb_svm_update_t update[1];
518 3 : if( FD_UNLIKELY( !fd_accdb_svm_open_rw( accdb, bank, xid, rw, update, addr, 0UL, 0 ) ) ) return;
519 3 : FD_TEST( fd_accdb_ref_data_sz( rw->ro )>=sizeof(fd_feature_t) );
520 3 : feature.is_active = 1;
521 3 : feature.activation_slot = bank->f.slot;
522 3 : FD_STORE( fd_feature_t, fd_accdb_ref_data( rw ), feature );
523 3 : fd_accdb_svm_close_rw( accdb, bank, capture_ctx, rw, update );
524 3 : }
525 15 : }
526 :
527 : static void
528 : fd_features_activate( fd_bank_t * bank,
529 : fd_accdb_user_t * accdb,
530 : fd_funk_txn_xid_t const * xid,
531 129 : fd_capture_ctx_t * capture_ctx ) {
532 129 : for( fd_feature_id_t const * id = fd_feature_iter_init();
533 35088 : !fd_feature_iter_done( id );
534 34959 : id = fd_feature_iter_next( id ) ) {
535 34959 : fd_feature_activate( bank, accdb, xid, capture_ctx, id, &id->id );
536 34959 : }
537 129 : }
538 :
539 : /* SIMD-0194: deprecate_rent_exemption_threshold
540 : https://github.com/anza-xyz/agave/blob/v3.1.4/runtime/src/bank.rs#L5322-L5329 */
541 : static void
542 : deprecate_rent_exemption_threshold( fd_bank_t * bank,
543 : fd_accdb_user_t * accdb,
544 : fd_funk_txn_xid_t const * xid,
545 3 : fd_capture_ctx_t * capture_ctx ) {
546 : /* We use the bank fields here to mirror Agave - in mainnet, devnet
547 : and testnet Agave's bank rent.burn_percent field is different to
548 : the value in the sysvar. When this feature is activated in Agave,
549 : the sysvar inherits the value from the bank. */
550 3 : fd_rent_t rent = bank->f.rent;
551 3 : rent.lamports_per_uint8_year = fd_rust_cast_double_to_ulong(
552 3 : (double)rent.lamports_per_uint8_year * rent.exemption_threshold );
553 3 : rent.exemption_threshold = FD_SIMD_0194_NEW_RENT_EXEMPTION_THRESHOLD;
554 :
555 : /* We don't refresh the sysvar cache here. The cache is refreshed in
556 : fd_sysvar_cache_restore, which is called at the start of every
557 : block in fd_runtime_block_execute_prepare, after this function. */
558 3 : fd_sysvar_rent_write( bank, accdb, xid, capture_ctx, &rent );
559 3 : bank->f.rent = rent;
560 3 : }
561 :
562 : // https://github.com/anza-xyz/agave/blob/v3.1.4/runtime/src/bank.rs#L5296-L5391
563 : static void
564 : fd_compute_and_apply_new_feature_activations( fd_bank_t * bank,
565 : fd_accdb_user_t * accdb,
566 : fd_funk_txn_xid_t const * xid,
567 : fd_runtime_stack_t * runtime_stack,
568 129 : fd_capture_ctx_t * capture_ctx ) {
569 : /* Activate new features
570 : https://github.com/anza-xyz/agave/blob/v3.1.4/runtime/src/bank.rs#L5296-L5391 */
571 129 : fd_features_activate( bank, accdb, xid, capture_ctx );
572 129 : fd_features_restore( bank, accdb, xid );
573 :
574 : /* SIMD-0194: deprecate_rent_exemption_threshold
575 : https://github.com/anza-xyz/agave/blob/v3.1.4/runtime/src/bank.rs#L5322-L5329 */
576 129 : if( FD_UNLIKELY( FD_FEATURE_JUST_ACTIVATED_BANK( bank, deprecate_rent_exemption_threshold ) ) ) {
577 3 : deprecate_rent_exemption_threshold( bank, accdb, xid, capture_ctx );
578 3 : }
579 :
580 : /* Apply builtin program feature transitions
581 : https://github.com/anza-xyz/agave/blob/v2.1.0/runtime/src/bank.rs#L6621-L6624 */
582 129 : fd_apply_builtin_program_feature_transitions( bank, accdb, xid, runtime_stack, capture_ctx );
583 :
584 129 : if( FD_UNLIKELY( FD_FEATURE_JUST_ACTIVATED_BANK( bank, vote_state_v4 ) ) ) {
585 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 );
586 0 : }
587 :
588 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-beta.2/runtime/src/bank.rs#L5703-L5716 */
589 129 : if( FD_UNLIKELY( FD_FEATURE_JUST_ACTIVATED_BANK( bank, replace_spl_token_with_p_token ) ) ) {
590 0 : fd_upgrade_loader_v2_program_with_loader_v3_program(
591 0 : bank,
592 0 : accdb,
593 0 : xid,
594 0 : runtime_stack,
595 0 : &fd_solana_spl_token_id,
596 0 : &fd_solana_ptoken_program_buffer_address,
597 0 : FD_FEATURE_ACTIVE_BANK( bank, relax_programdata_account_check_migration ),
598 0 : capture_ctx );
599 0 : }
600 :
601 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-beta.4/runtime/src/bank.rs#L5736-L5744 */
602 129 : if( FD_UNLIKELY( FD_FEATURE_JUST_ACTIVATED_BANK( bank, upgrade_bpf_stake_program_to_v5 ) ) ) {
603 0 : fd_upgrade_core_bpf_program(
604 0 : bank,
605 0 : accdb,
606 0 : xid,
607 0 : runtime_stack,
608 0 : &fd_solana_stake_program_id,
609 0 : &fd_solana_stake_program_v5_buffer_address,
610 0 : capture_ctx );
611 0 : }
612 129 : }
613 :
614 : /* Starting a new epoch.
615 : New epoch: T
616 : Just ended epoch: T-1
617 : Epoch before: T-2
618 :
619 : In this function:
620 : - stakes in T-2 (vote_states_prev_prev) should be replaced by T-1 (vote_states_prev)
621 : - stakes at T-1 (vote_states_prev) should be replaced by updated stakes at T (vote_states)
622 : - leader schedule should be calculated using new T-2 stakes (vote_states_prev_prev)
623 :
624 : Invariant during an epoch T:
625 : vote_states_prev holds the stakes at T-1
626 : vote_states_prev_prev holds the stakes at T-2
627 : */
628 : /* process for the start of a new epoch */
629 : static void
630 : fd_runtime_process_new_epoch( fd_banks_t * banks,
631 : fd_bank_t * bank,
632 : fd_accdb_user_t * accdb,
633 : fd_funk_txn_xid_t const * xid,
634 : fd_capture_ctx_t * capture_ctx,
635 : ulong parent_epoch,
636 129 : fd_runtime_stack_t * runtime_stack ) {
637 129 : long start = fd_log_wallclock();
638 :
639 129 : fd_compute_and_apply_new_feature_activations( bank, accdb, xid, runtime_stack, capture_ctx );
640 :
641 : /* Update the cached warmup/cooldown rate epoch now that features may
642 : have changed (reduce_stake_warmup_cooldown may have just activated). */
643 129 : bank->f.warmup_cooldown_rate_epoch = fd_slot_to_epoch( &bank->f.epoch_schedule,
644 129 : bank->f.features.reduce_stake_warmup_cooldown,
645 129 : NULL );
646 :
647 : /* Updates stake history sysvar accumulated values and recomputes
648 : stake delegations for vote accounts. */
649 :
650 129 : fd_stake_delegations_t const * stake_delegations = fd_bank_stake_delegations_frontier_query( banks, bank );
651 129 : if( FD_UNLIKELY( !stake_delegations ) ) {
652 0 : FD_LOG_CRIT(( "stake_delegations is NULL" ));
653 0 : }
654 :
655 129 : fd_stakes_activate_epoch( bank, runtime_stack, accdb, xid, capture_ctx, stake_delegations,
656 129 : &bank->f.warmup_cooldown_rate_epoch );
657 :
658 : /* Distribute rewards. This involves calculating the rewards for
659 : every vote and stake account. */
660 :
661 129 : fd_hash_t const * parent_blockhash = fd_blockhashes_peek_last_hash( &bank->f.block_hash_queue );
662 129 : fd_begin_partitioned_rewards( bank,
663 129 : accdb,
664 129 : xid,
665 129 : runtime_stack,
666 129 : capture_ctx,
667 129 : stake_delegations,
668 129 : parent_blockhash,
669 129 : parent_epoch );
670 :
671 129 : fd_bank_stake_delegations_end_frontier_query( banks, bank );
672 :
673 : /* The Agave client handles updating their stakes cache with a call to
674 : update_epoch_stakes() which keys stakes by the leader schedule
675 : epochs and retains up to 6 epochs of stakes. However, to correctly
676 : calculate the leader schedule, we just need to maintain the vote
677 : states for the current epoch, the previous epoch, and the one
678 : before that.
679 : https://github.com/anza-xyz/agave/blob/v3.0.4/runtime/src/bank.rs#L2175
680 : */
681 :
682 : /* Now that our stakes caches have been updated, we can calculate the
683 : leader schedule for the upcoming epoch epoch using our new
684 : vote_states_prev_prev (stakes for T-2). */
685 :
686 129 : fd_runtime_update_leaders( bank, runtime_stack );
687 :
688 129 : long end = fd_log_wallclock();
689 129 : FD_LOG_NOTICE(( "starting epoch %lu at slot %lu took %.6f seconds", bank->f.epoch, bank->f.slot, (double)(end - start) / 1e9 ));
690 129 : }
691 :
692 : static void
693 : fd_runtime_block_pre_execute_process_new_epoch( fd_banks_t * banks,
694 : fd_bank_t * bank,
695 : fd_accdb_user_t * accdb,
696 : fd_funk_txn_xid_t const * xid,
697 : fd_capture_ctx_t * capture_ctx,
698 : fd_runtime_stack_t * runtime_stack,
699 3528 : int * is_epoch_boundary ) {
700 :
701 3528 : ulong const slot = bank->f.slot;
702 3528 : if( FD_LIKELY( slot != 0UL ) ) {
703 3528 : fd_epoch_schedule_t const * epoch_schedule = &bank->f.epoch_schedule;
704 :
705 3528 : ulong prev_epoch = fd_slot_to_epoch( epoch_schedule, bank->f.parent_slot, NULL );
706 3528 : ulong slot_idx;
707 3528 : ulong new_epoch = fd_slot_to_epoch( epoch_schedule, slot, &slot_idx );
708 3528 : if( FD_UNLIKELY( slot_idx==1UL && new_epoch==0UL ) ) {
709 : /* The block after genesis has a height of 1. */
710 0 : bank->f.block_height = 1UL;
711 0 : }
712 :
713 3528 : if( FD_UNLIKELY( prev_epoch<new_epoch || !slot_idx ) ) {
714 129 : FD_LOG_DEBUG(( "Epoch boundary starting" ));
715 129 : fd_runtime_process_new_epoch( banks, bank, accdb, xid, capture_ctx, prev_epoch, runtime_stack );
716 129 : *is_epoch_boundary = 1;
717 3399 : } else {
718 3399 : *is_epoch_boundary = 0;
719 3399 : }
720 :
721 3528 : fd_distribute_partitioned_epoch_rewards( bank, accdb, xid, capture_ctx );
722 3528 : } else {
723 0 : *is_epoch_boundary = 0;
724 0 : }
725 3528 : }
726 :
727 :
728 : static void
729 : fd_runtime_block_sysvar_update_pre_execute( fd_bank_t * bank,
730 : fd_accdb_user_t * accdb,
731 : fd_funk_txn_xid_t const * xid,
732 : fd_runtime_stack_t * runtime_stack,
733 3528 : fd_capture_ctx_t * capture_ctx ) {
734 : // let (fee_rate_governor, fee_components_time_us) = measure_us!(
735 : // FeeRateGovernor::new_derived(&parent.fee_rate_governor, parent.signature_count())
736 : // );
737 : /* https://github.com/firedancer-io/solana/blob/dab3da8e7b667d7527565bddbdbecf7ec1fb868e/runtime/src/bank.rs#L1312-L1314 */
738 :
739 3528 : fd_runtime_new_fee_rate_governor_derived( bank, bank->f.parent_signature_cnt );
740 :
741 3528 : fd_epoch_schedule_t const * epoch_schedule = &bank->f.epoch_schedule;
742 3528 : ulong parent_epoch = fd_slot_to_epoch( epoch_schedule, bank->f.parent_slot, NULL );
743 3528 : fd_sysvar_clock_update( bank, accdb, xid, capture_ctx, runtime_stack, &parent_epoch );
744 :
745 : // It has to go into the current txn previous info but is not in slot 0
746 3528 : if( bank->f.slot != 0 ) {
747 3528 : fd_sysvar_slot_hashes_update( bank, accdb, xid, capture_ctx );
748 3528 : }
749 3528 : fd_sysvar_last_restart_slot_update( bank, accdb, xid, capture_ctx );
750 3528 : }
751 :
752 : int
753 : fd_runtime_load_txn_address_lookup_tables( fd_txn_in_t const * txn_in,
754 : fd_txn_t const * txn,
755 : uchar const * payload,
756 : fd_accdb_user_t * accdb,
757 : fd_funk_txn_xid_t const * xid,
758 : ulong slot,
759 : fd_slot_hashes_t const * hashes,
760 111 : fd_acct_addr_t * out_accts_alt ) {
761 :
762 111 : if( FD_LIKELY( txn->transaction_version!=FD_TXN_V0 ) ) return FD_RUNTIME_EXECUTE_SUCCESS;
763 :
764 111 : fd_alut_interp_t interp[1];
765 111 : fd_alut_interp_new(
766 111 : interp,
767 111 : out_accts_alt,
768 111 : txn,
769 111 : payload,
770 111 : hashes,
771 111 : slot );
772 :
773 111 : fd_txn_acct_addr_lut_t const * addr_luts = fd_txn_get_address_tables_const( txn );
774 114 : for( ulong i=0UL; i<txn->addr_table_lookup_cnt; i++ ) {
775 3 : fd_txn_acct_addr_lut_t const * addr_lut = &addr_luts[i];
776 3 : fd_pubkey_t addr_lut_acc = FD_LOAD( fd_pubkey_t, payload+addr_lut->addr_off );
777 :
778 : /* https://github.com/anza-xyz/agave/blob/368ea563c423b0a85cc317891187e15c9a321521/accounts-db/src/accounts.rs#L90-L94 */
779 3 : fd_accdb_ro_t alut_ro[1];
780 :
781 3 : int is_found = 0;
782 3 : if( FD_UNLIKELY( txn_in && txn_in->bundle.is_bundle ) ) {
783 6 : for( ulong j=txn_in->bundle.prev_txn_cnt; j>0UL && !is_found; j-- ) {
784 3 : fd_txn_out_t * prev_txn_out = txn_in->bundle.prev_txn_outs[ j-1 ];
785 6 : for( ushort k=0; k<prev_txn_out->accounts.cnt; k++ ) {
786 6 : if( fd_pubkey_eq( &prev_txn_out->accounts.keys[ k ], &addr_lut_acc ) && prev_txn_out->accounts.is_writable[ k ] ) {
787 3 : fd_accdb_ro_init_nodb( alut_ro, &addr_lut_acc, prev_txn_out->accounts.account[ k ].meta );
788 3 : if( FD_UNLIKELY( !alut_ro->meta->lamports ) ) {
789 0 : fd_alut_interp_delete( interp );
790 0 : return FD_RUNTIME_TXN_ERR_ADDRESS_LOOKUP_TABLE_NOT_FOUND;
791 0 : }
792 3 : is_found = 1;
793 3 : break;
794 3 : }
795 6 : }
796 3 : }
797 3 : }
798 :
799 3 : if( FD_UNLIKELY( !is_found && !fd_accdb_open_ro( accdb, alut_ro, xid, &addr_lut_acc ) ) ) {
800 0 : fd_alut_interp_delete( interp );
801 0 : return FD_RUNTIME_TXN_ERR_ADDRESS_LOOKUP_TABLE_NOT_FOUND;
802 0 : }
803 :
804 3 : int err = fd_alut_interp_next(
805 3 : interp,
806 3 : &addr_lut_acc,
807 3 : fd_accdb_ref_owner ( alut_ro ),
808 3 : fd_accdb_ref_data_const( alut_ro ),
809 3 : fd_accdb_ref_data_sz ( alut_ro ) );
810 3 : fd_accdb_close_ro( accdb, alut_ro );
811 3 : if( FD_UNLIKELY( err ) ) {
812 0 : fd_alut_interp_delete( interp );
813 0 : return err;
814 0 : }
815 3 : }
816 :
817 111 : fd_alut_interp_delete( interp );
818 :
819 111 : return FD_RUNTIME_EXECUTE_SUCCESS;
820 111 : }
821 :
822 : /* Pre-populate the bank's in-memory feature set with upcoming feature
823 : activations. If the current slot is the last slot before an epoch
824 : boundary, scan all known feature accounts. Otherwise, returns early.
825 :
826 : For any feature that is pending (not yet activated on-chain) but has
827 : an account owned by the feature program, set the in-memory activation
828 : slot within the bank's featureset to the first slot of the next
829 : epoch. This is needed so that deployment verification (which uses
830 : slot+1) can detect features that will activate at the next epoch
831 : boundary.
832 :
833 : In Agave, program deployments use the feature set from the next
834 : slot via DELAY_VISIBILITY_SLOT_OFFSET. The runtime environments
835 : for deployment are selected based on epoch_of(slot+1):
836 : https://github.com/anza-xyz/agave/blob/v3.1.8/runtime/src/bank.rs#L3280-L3295
837 : https://github.com/anza-xyz/agave/blob/v3.1.8/svm/src/transaction_processor.rs#L339-L345
838 :
839 : This function does NOT write to feature accounts or update the
840 : lthash. It only modifies the bank's in-memory feature set. */
841 : static void
842 : fd_features_prepopulate_upcoming( fd_bank_t * bank,
843 : fd_accdb_user_t * accdb,
844 3528 : fd_funk_txn_xid_t const * xid ) {
845 3528 : ulong slot = bank->f.slot;
846 3528 : fd_epoch_schedule_t const * epoch_schedule = &bank->f.epoch_schedule;
847 3528 : ulong curr_epoch = fd_slot_to_epoch( epoch_schedule, slot, NULL );
848 3528 : ulong next_epoch = fd_slot_to_epoch( epoch_schedule, slot+1UL, NULL );
849 3528 : if( FD_LIKELY( curr_epoch==next_epoch ) ) return;
850 :
851 21 : fd_features_restore( bank, accdb, xid );
852 21 : }
853 :
854 : void
855 : fd_runtime_block_execute_prepare( fd_banks_t * banks,
856 : fd_bank_t * bank,
857 : fd_accdb_user_t * accdb,
858 : fd_runtime_stack_t * runtime_stack,
859 : fd_capture_ctx_t * capture_ctx,
860 3528 : int * is_epoch_boundary ) {
861 :
862 3528 : fd_funk_txn_xid_t const xid = fd_bank_xid( bank );
863 :
864 3528 : fd_runtime_block_pre_execute_process_new_epoch( banks, bank, accdb, &xid, capture_ctx, runtime_stack, is_epoch_boundary );
865 :
866 3528 : if( FD_LIKELY( bank->f.slot ) ) {
867 3528 : fd_cost_tracker_t * cost_tracker = fd_bank_cost_tracker_modify( bank );
868 3528 : FD_TEST( cost_tracker );
869 3528 : fd_cost_tracker_init( cost_tracker, &bank->f.features, bank->f.slot );
870 3528 : }
871 :
872 3528 : fd_features_prepopulate_upcoming( bank, accdb, &xid );
873 :
874 3528 : fd_runtime_block_sysvar_update_pre_execute( bank, accdb, &xid, runtime_stack, capture_ctx );
875 :
876 3528 : if( FD_UNLIKELY( !fd_sysvar_cache_restore( bank, accdb, &xid ) ) ) {
877 0 : FD_LOG_ERR(( "Failed to restore sysvar cache" ));
878 0 : }
879 3528 : }
880 :
881 : static void
882 : fd_runtime_update_bank_hash( fd_bank_t * bank,
883 78 : fd_capture_ctx_t * capture_ctx ) {
884 : /* Compute the new bank hash */
885 78 : fd_lthash_value_t const * lthash = fd_bank_lthash_locking_query( bank );
886 78 : fd_hash_t new_bank_hash[1] = { 0 };
887 78 : fd_hashes_hash_bank(
888 78 : lthash,
889 78 : &bank->f.prev_bank_hash,
890 78 : (fd_hash_t *)bank->f.poh.hash,
891 78 : bank->f.signature_count,
892 78 : new_bank_hash );
893 :
894 : /* Update the bank hash */
895 78 : bank->f.bank_hash = *new_bank_hash;
896 :
897 78 : if( capture_ctx && capture_ctx->capture_solcap &&
898 78 : bank->f.slot>=capture_ctx->solcap_start_slot ) {
899 :
900 0 : uchar lthash_hash[FD_HASH_FOOTPRINT];
901 0 : fd_blake3_hash(lthash->bytes, FD_LTHASH_LEN_BYTES, lthash_hash );
902 0 : fd_capture_link_write_bank_preimage(
903 0 : capture_ctx,
904 0 : bank->f.slot,
905 0 : (fd_hash_t *)new_bank_hash->hash,
906 0 : (fd_hash_t *)&bank->f.prev_bank_hash,
907 0 : (fd_hash_t *)lthash_hash,
908 0 : (fd_hash_t *)bank->f.poh.hash,
909 0 : bank->f.signature_count );
910 0 : }
911 :
912 78 : fd_bank_lthash_end_locking_query( bank );
913 78 : }
914 :
915 : /******************************************************************************/
916 : /* Transaction Level Execution Management */
917 : /******************************************************************************/
918 :
919 : /* fd_runtime_pre_execute_check is responsible for conducting many of
920 : the transaction sanitization checks. This is a combination of some
921 : of the work done in Agave's load_and_execute_transactions(), and some
922 : of the work done in Agave's transaction ingestion stage, before the
923 : transaction even hits the scheduler. We do some of the checks also
924 : in our transaction ingestion stage. For example, the duplicate
925 : account check is performed in both the leader and the replay
926 : scheduler. As a result, the duplicate account check below is
927 : essentially redundant, except that our fuzzing harness expects a
928 : single entry point to cover all of these checks. So we keep all of
929 : the checks below for fuzzing purposes. We could in theory hoist some
930 : of the pre-scheduler checks into a public function that is only
931 : invoked by the fuzzer to avoid duplication in the leader and the
932 : replay pipeline. But all the duplicate checks are pretty cheap, and
933 : the order and placement of the checks are also in motion on Agave's
934 : side, and performing all the checks faithfully would require access
935 : to the bank in the scheduler which is kind of gross. So that's all
936 : probably more hassle than worth. */
937 :
938 : static inline int
939 : fd_runtime_pre_execute_check( fd_runtime_t * runtime,
940 : fd_bank_t * bank,
941 : fd_txn_in_t const * txn_in,
942 189 : fd_txn_out_t * txn_out ) {
943 :
944 : /* https://github.com/anza-xyz/agave/blob/16de8b75ebcd57022409b422de557dd37b1de8db/sdk/src/transaction/sanitized.rs#L263-L275
945 : TODO: Agave's precompile verification is done at the slot level, before batching and executing transactions. This logic should probably
946 : be moved in the future. The Agave call heirarchy looks something like this:
947 : process_single_slot
948 : v
949 : confirm_full_slot
950 : v
951 : confirm_slot_entries --------------------------------------------------->
952 : v v v
953 : verify_transaction ComputeBudget::process_instruction process_entries
954 : v v
955 : verify_precompiles process_batches
956 : v
957 : ...
958 : v
959 : load_and_execute_transactions
960 : v
961 : ...
962 : v
963 : load_accounts --> load_transaction_accounts
964 : v
965 : general transaction execution
966 :
967 : */
968 :
969 : /* Verify the transaction. For now, this step only involves processing
970 : the compute budget instructions. */
971 189 : int err = fd_executor_verify_transaction( bank, txn_in, txn_out );
972 189 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
973 3 : txn_out->err.is_committable = 0;
974 3 : return err;
975 3 : }
976 :
977 : /* Resolve and verify ALUT-referenced account keys, if applicable */
978 186 : err = fd_executor_setup_txn_alut_account_keys( runtime, bank, txn_in, txn_out );
979 186 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
980 0 : txn_out->err.is_committable = 0;
981 0 : return err;
982 0 : }
983 :
984 : /* Set up the transaction accounts and other txn ctx metadata */
985 186 : fd_executor_setup_accounts_for_txn( runtime, bank, txn_in, txn_out );
986 :
987 : /* Post-sanitization checks. Called from prepare_sanitized_batch()
988 : which, for now, only is used to lock the accounts and perform a
989 : couple basic validations.
990 : https://github.com/anza-xyz/agave/blob/838c1952595809a31520ff1603a13f2c9123aa51/accounts-db/src/account_locks.rs#L118 */
991 186 : err = fd_executor_validate_account_locks( bank, txn_out );
992 186 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
993 0 : txn_out->err.is_committable = 0;
994 0 : return err;
995 0 : }
996 :
997 : /* load_and_execute_transactions() -> check_transactions()
998 : https://github.com/anza-xyz/agave/blob/ced98f1ebe73f7e9691308afa757323003ff744f/runtime/src/bank.rs#L3667-L3672 */
999 186 : err = fd_executor_check_transactions( runtime, bank, txn_in, txn_out );
1000 186 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
1001 3 : txn_out->err.is_committable = 0;
1002 3 : return err;
1003 3 : }
1004 :
1005 : /* load_and_execute_sanitized_transactions() -> validate_fees() ->
1006 : validate_transaction_fee_payer()
1007 : https://github.com/anza-xyz/agave/blob/ced98f1ebe73f7e9691308afa757323003ff744f/svm/src/transaction_processor.rs#L236-L249 */
1008 183 : err = fd_executor_validate_transaction_fee_payer( runtime, bank, txn_in, txn_out );
1009 183 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
1010 0 : txn_out->err.is_committable = 0;
1011 0 : return err;
1012 0 : }
1013 :
1014 183 : txn_out->details.exec_start_timestamp = fd_tickcount();
1015 :
1016 : /* https://github.com/anza-xyz/agave/blob/ced98f1ebe73f7e9691308afa757323003ff744f/svm/src/transaction_processor.rs#L284-L296 */
1017 183 : err = fd_executor_load_transaction_accounts( runtime, bank, txn_in, txn_out );
1018 183 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
1019 : /* Regardless of whether transaction accounts were loaded successfully, the transaction is
1020 : included in the block and transaction fees are collected.
1021 : https://github.com/anza-xyz/agave/blob/v2.1.6/svm/src/transaction_processor.rs#L341-L357 */
1022 0 : txn_out->err.is_fees_only = 1;
1023 :
1024 : /* If the transaction fails to load, the "rollback" accounts will include one of the following:
1025 : 1. Nonce account only
1026 : 2. Fee payer only
1027 : 3. Nonce account + fee payer
1028 :
1029 : Because the cost tracker uses the loaded account data size in block cost calculations, we need to
1030 : make sure our calculated loaded accounts data size is conformant with Agave's.
1031 : https://github.com/anza-xyz/agave/blob/v2.1.14/runtime/src/bank.rs#L4116
1032 :
1033 : In any case, we should always add the dlen of the fee payer. */
1034 0 : txn_out->details.loaded_accounts_data_size = fd_accdb_ref_data_sz( txn_out->accounts.account[ FD_FEE_PAYER_TXN_IDX ].ro );
1035 :
1036 : /* Special case handling for if a nonce account is present in the transaction. */
1037 0 : if( txn_out->accounts.nonce_idx_in_txn!=ULONG_MAX ) {
1038 : /* If the nonce account is not the fee payer, then we separately add the dlen of the nonce account. Otherwise, we would
1039 : be double counting the dlen of the fee payer. */
1040 0 : if( txn_out->accounts.nonce_idx_in_txn!=FD_FEE_PAYER_TXN_IDX ) {
1041 0 : txn_out->details.loaded_accounts_data_size += txn_out->accounts.rollback_nonce->dlen;
1042 0 : }
1043 0 : }
1044 0 : }
1045 :
1046 : /*
1047 : The fee payer and the nonce account will be stored and hashed so
1048 : long as the transaction landed on chain, or, in Agave terminology,
1049 : the transaction was processed.
1050 : https://github.com/anza-xyz/agave/blob/v2.1.1/runtime/src/account_saver.rs#L72
1051 :
1052 : A transaction lands on chain in one of two ways:
1053 : (1) Passed fee validation and loaded accounts.
1054 : (2) Passed fee validation and failed to load accounts and the enable_transaction_loading_failure_fees feature is enabled as per
1055 : SIMD-0082 https://github.com/anza-xyz/feature-gate-tracker/issues/52
1056 :
1057 : So, at this point, the transaction is committable.
1058 : */
1059 :
1060 183 : return err;
1061 183 : }
1062 :
1063 : /* fd_runtime_finalize_account is a helper used to commit the data from
1064 : a writable transaction account back into the accountsdb. */
1065 :
1066 : static void
1067 : fd_runtime_finalize_account( fd_accdb_user_t * accdb,
1068 : fd_funk_txn_xid_t const * xid,
1069 : fd_pubkey_t const * pubkey,
1070 87 : fd_account_meta_t * meta ) {
1071 : /* FIXME if account doesn't change according to LtHash, don't update
1072 : database record */
1073 :
1074 87 : fd_accdb_rw_t rw[1];
1075 87 : int rw_ok = !!fd_accdb_open_rw(
1076 87 : accdb,
1077 87 : rw,
1078 87 : xid,
1079 87 : pubkey,
1080 87 : meta->dlen,
1081 87 : FD_ACCDB_FLAG_CREATE|FD_ACCDB_FLAG_TRUNCATE );
1082 87 : if( FD_UNLIKELY( !rw_ok ) ) FD_LOG_CRIT(( "fd_accdb_open_rw failed" ));
1083 :
1084 87 : void const * data = fd_account_data( meta );
1085 87 : fd_accdb_ref_lamports_set( rw, meta->lamports );
1086 87 : fd_accdb_ref_owner_set ( rw, meta->owner );
1087 87 : fd_accdb_ref_exec_bit_set( rw, meta->executable );
1088 87 : fd_accdb_ref_data_set ( accdb, rw, data, meta->dlen );
1089 87 : fd_accdb_ref_slot_set ( rw, xid->ul[0] );
1090 :
1091 87 : fd_accdb_close_rw( accdb, rw );
1092 87 : }
1093 :
1094 : /* fd_runtime_save_account persists a transaction account to the account
1095 : database and updates the bank lthash.
1096 :
1097 : This function:
1098 : - Loads the previous account revision
1099 : - Computes the LtHash of the previous revision
1100 : - Computes the LtHash of the new revision
1101 : - Removes/adds the previous/new revision's LtHash
1102 : - Saves the new version of the account to funk
1103 : - Sends updates to metrics and capture infra
1104 :
1105 : Returns FD_RUNTIME_SAVE_* */
1106 :
1107 : static int
1108 : fd_runtime_save_account( fd_accdb_user_t * accdb,
1109 : fd_funk_txn_xid_t const * xid,
1110 : fd_pubkey_t const * pubkey,
1111 : fd_account_meta_t * meta,
1112 : fd_bank_t * bank,
1113 108 : fd_capture_ctx_t * capture_ctx ) {
1114 108 : fd_lthash_value_t lthash_post[1];
1115 108 : fd_lthash_value_t lthash_prev[1];
1116 :
1117 : /* Update LtHash
1118 : - Query old version of account and hash it
1119 : - Hash new version of account */
1120 108 : fd_accdb_ro_t ro[1];
1121 108 : int old_exist = 0;
1122 108 : if( fd_accdb_open_ro( accdb, ro, xid, pubkey ) ) {
1123 99 : old_exist = fd_accdb_ref_lamports( ro )!=0UL;
1124 99 : fd_hashes_account_lthash(
1125 99 : pubkey,
1126 99 : ro->meta,
1127 99 : fd_accdb_ref_data_const( ro ),
1128 99 : lthash_prev );
1129 99 : fd_accdb_close_ro( accdb, ro );
1130 99 : } else {
1131 9 : old_exist = 0;
1132 9 : fd_lthash_zero( lthash_prev );
1133 9 : }
1134 108 : int new_exist = meta->lamports!=0UL;
1135 :
1136 108 : int save_type = (old_exist<<1) | (new_exist);
1137 108 : if( FD_LIKELY( old_exist || new_exist ) ) {
1138 99 : fd_hashes_update_lthash1( lthash_post, lthash_prev, pubkey, meta, bank, capture_ctx );
1139 : /* First 32 bytes equal BLAKE3_256 hash of the account */
1140 99 : if( 0!=memcmp( lthash_post->bytes, lthash_prev->bytes, 32UL ) ) {
1141 87 : fd_runtime_finalize_account( accdb, xid, pubkey, meta );
1142 87 : } else {
1143 12 : save_type = FD_RUNTIME_SAVE_UNCHANGED;
1144 12 : }
1145 99 : }
1146 :
1147 108 : return save_type;
1148 108 : }
1149 :
1150 : /* fd_runtime_commit_txn is a helper used by the non-tpool transaction
1151 : executor to finalize borrowed account changes back into funk. It also
1152 : handles txncache insertion and updates to the vote/stake cache.
1153 : TODO: This function should probably be moved to fd_executor.c. */
1154 :
1155 : void
1156 : fd_runtime_commit_txn( fd_runtime_t * runtime,
1157 : fd_bank_t * bank,
1158 57 : fd_txn_out_t * txn_out ) {
1159 :
1160 57 : if( FD_UNLIKELY( !txn_out->err.is_committable ) ) {
1161 0 : FD_LOG_CRIT(( "fd_runtime_commit_txn: transaction is not committable" ));
1162 0 : }
1163 :
1164 57 : txn_out->details.commit_start_timestamp = fd_tickcount();
1165 :
1166 : /* Release executable accounts */
1167 :
1168 57 : for( ulong i=0UL; i<runtime->accounts.executable_cnt; i++ ) {
1169 0 : fd_accdb_close_ro( runtime->accdb, &runtime->accounts.executable[i] );
1170 0 : }
1171 57 : runtime->accounts.executable_cnt = 0UL;
1172 :
1173 : /* Release read-only accounts */
1174 :
1175 192 : for( ulong i=0UL; i<txn_out->accounts.cnt; i++ ) {
1176 135 : if( !txn_out->accounts.is_writable[i] ) {
1177 27 : fd_accdb_close_ro( runtime->accdb, txn_out->accounts.account[i].ro );
1178 27 : }
1179 135 : }
1180 :
1181 57 : fd_funk_txn_xid_t xid = fd_bank_xid( bank );
1182 :
1183 57 : if( FD_UNLIKELY( txn_out->err.txn_err ) ) {
1184 :
1185 : /* Save the fee_payer. Everything but the fee balance should be reset.
1186 : TODO: an optimization here could be to use a dirty flag in the
1187 : borrowed account. If the borrowed account data has been changed in
1188 : any way, then the full account can be rolled back as it is done now.
1189 : However, most of the time the account data is not changed, and only
1190 : the lamport balance has to change. */
1191 :
1192 : /* With nonce account rollbacks, there are three cases:
1193 : 1. No nonce account in the transaction
1194 : 2. Nonce account is the fee payer
1195 : 3. Nonce account is not the fee payer
1196 :
1197 : We should always rollback the nonce account first. Note that the nonce account may be the fee payer (case 2). */
1198 0 : if( txn_out->accounts.nonce_idx_in_txn!=ULONG_MAX ) {
1199 0 : int save_type =
1200 0 : fd_runtime_save_account(
1201 0 : runtime->accdb,
1202 0 : &xid,
1203 0 : &txn_out->accounts.keys[txn_out->accounts.nonce_idx_in_txn],
1204 0 : txn_out->accounts.rollback_nonce,
1205 0 : bank,
1206 0 : runtime->log.capture_ctx );
1207 0 : runtime->metrics.txn_account_save[ save_type ]++;
1208 0 : }
1209 : /* Now, we must only save the fee payer if the nonce account was not the fee payer (because that was already saved above) */
1210 0 : if( FD_LIKELY( txn_out->accounts.nonce_idx_in_txn!=FD_FEE_PAYER_TXN_IDX ) ) {
1211 0 : int save_type =
1212 0 : fd_runtime_save_account(
1213 0 : runtime->accdb,
1214 0 : &xid,
1215 0 : &txn_out->accounts.keys[FD_FEE_PAYER_TXN_IDX],
1216 0 : txn_out->accounts.rollback_fee_payer,
1217 0 : bank,
1218 0 : runtime->log.capture_ctx );
1219 0 : runtime->metrics.txn_account_save[ save_type ]++;
1220 0 : }
1221 57 : } else {
1222 :
1223 :
1224 57 : fd_top_votes_t * top_votes = fd_bank_top_votes_t_2_modify( bank );
1225 192 : for( ushort i=0; i<txn_out->accounts.cnt; i++ ) {
1226 : /* We are only interested in saving writable accounts and the fee
1227 : payer account. */
1228 135 : if( !txn_out->accounts.is_writable[i] ) {
1229 27 : continue;
1230 27 : }
1231 :
1232 108 : fd_pubkey_t const * pubkey = &txn_out->accounts.keys[i];
1233 108 : fd_accdb_rw_t * account = &txn_out->accounts.account[i];
1234 :
1235 108 : if( txn_out->accounts.stake_update[i] ) {
1236 3 : fd_stakes_update_stake_delegation( pubkey, account->meta, bank );
1237 3 : }
1238 :
1239 108 : if( txn_out->accounts.new_vote[i] &&
1240 108 : !FD_FEATURE_ACTIVE_BANK( bank, validator_admission_ticket ) ) {
1241 6 : fd_new_votes_t * new_votes = fd_bank_new_votes( bank );
1242 6 : fd_new_votes_insert( new_votes, bank->new_votes_fork_id, pubkey );
1243 6 : }
1244 108 : if( txn_out->accounts.rm_vote[i] &&
1245 108 : !FD_FEATURE_ACTIVE_BANK( bank, validator_admission_ticket ) ) {
1246 3 : fd_new_votes_t * new_votes = fd_bank_new_votes( bank );
1247 3 : fd_new_votes_remove( new_votes, bank->new_votes_fork_id, pubkey );
1248 3 : }
1249 :
1250 108 : if( txn_out->accounts.vote_update[i] ) {
1251 0 : fd_vote_block_timestamp_t last_vote;
1252 0 : if( FD_UNLIKELY( fd_accdb_ref_lamports( account->ro )==0UL ||
1253 0 : !fd_vsv_is_correct_size_owner_and_init( account->meta ) ||
1254 0 : fd_vote_account_last_timestamp( fd_account_data( account->meta ), account->meta->dlen, &last_vote ) ) ) {
1255 0 : fd_top_votes_invalidate( top_votes, pubkey );
1256 0 : } else {
1257 0 : fd_top_votes_update( top_votes, pubkey, last_vote.slot, last_vote.timestamp );
1258 0 : }
1259 0 : }
1260 :
1261 108 : int save_type = fd_runtime_save_account( runtime->accdb, &xid, pubkey, account->meta, bank, runtime->log.capture_ctx );
1262 108 : runtime->metrics.txn_account_save[ save_type ]++;
1263 108 : }
1264 :
1265 : /* Atomically add all accumulated tips to the bank once after processing all accounts */
1266 57 : if( txn_out->details.tips>0UL )
1267 0 : FD_ATOMIC_FETCH_AND_ADD( &bank->f.tips, txn_out->details.tips );
1268 57 : }
1269 :
1270 : /* Accumulate block-level information to the bank. */
1271 :
1272 57 : FD_ATOMIC_FETCH_AND_ADD( &bank->f.txn_count, 1UL );
1273 57 : FD_ATOMIC_FETCH_AND_ADD( &bank->f.execution_fees, txn_out->details.execution_fee );
1274 57 : FD_ATOMIC_FETCH_AND_ADD( &bank->f.priority_fees, txn_out->details.priority_fee );
1275 57 : FD_ATOMIC_FETCH_AND_ADD( &bank->f.signature_count, txn_out->details.signature_count );
1276 :
1277 57 : if( !txn_out->details.is_simple_vote ) {
1278 57 : FD_ATOMIC_FETCH_AND_ADD( &bank->f.nonvote_txn_count, 1 );
1279 57 : if( FD_UNLIKELY( txn_out->err.exec_err ) ) {
1280 0 : FD_ATOMIC_FETCH_AND_ADD( &bank->f.nonvote_failed_txn_count, 1 );
1281 0 : }
1282 57 : }
1283 :
1284 57 : if( FD_UNLIKELY( txn_out->err.exec_err ) ) {
1285 0 : FD_ATOMIC_FETCH_AND_ADD( &bank->f.failed_txn_count, 1 );
1286 0 : }
1287 :
1288 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 );
1289 :
1290 : /* Update the cost tracker. */
1291 :
1292 57 : fd_cost_tracker_t * cost_tracker = fd_bank_cost_tracker_modify( bank );
1293 57 : int res = fd_cost_tracker_try_add_cost( cost_tracker, txn_out );
1294 57 : if( FD_UNLIKELY( res!=FD_COST_TRACKER_SUCCESS ) ) {
1295 0 : FD_LOG_DEBUG(( "fd_runtime_commit_txn: transaction failed to fit into block %d", res ));
1296 0 : txn_out->err.is_committable = 0;
1297 0 : txn_out->err.txn_err = fd_cost_tracker_err_to_runtime_err( res );
1298 0 : }
1299 :
1300 : /* Finally, update the status cache. */
1301 :
1302 57 : if( FD_LIKELY( runtime->status_cache && txn_out->accounts.nonce_idx_in_txn==ULONG_MAX ) ) {
1303 : /* In Agave, durable nonce transactions are inserted to the status
1304 : cache the same as any others, but this is only to serve RPC
1305 : requests, they do not need to be in there for correctness as the
1306 : nonce mechanism itself prevents double spend. We skip this logic
1307 : entirely to simplify and improve performance of the txn cache. */
1308 :
1309 0 : fd_txncache_insert( runtime->status_cache, bank->txncache_fork_id, txn_out->details.blockhash.uc, txn_out->details.blake_txn_msg_hash.uc );
1310 0 : }
1311 :
1312 192 : for( ushort i=0; i<txn_out->accounts.cnt; i++ ) {
1313 135 : if( txn_out->accounts.is_writable[i] ) {
1314 108 : fd_acc_pool_release( runtime->acc_pool, fd_type_pun( txn_out->accounts.account[i].meta ) );
1315 108 : }
1316 135 : }
1317 :
1318 57 : fd_acc_pool_release( runtime->acc_pool, txn_out->accounts.rollback_nonce_mem );
1319 57 : fd_acc_pool_release( runtime->acc_pool, txn_out->accounts.rollback_fee_payer_mem );
1320 57 : }
1321 :
1322 : void
1323 : fd_runtime_cancel_txn( fd_runtime_t * runtime,
1324 45 : fd_txn_out_t * txn_out ) {
1325 :
1326 45 : if( FD_UNLIKELY( txn_out->err.is_committable ) ) {
1327 0 : FD_LOG_CRIT(( "fd_runtime_cancel_txn: transaction is committable" ));
1328 0 : }
1329 :
1330 45 : if( !txn_out->accounts.is_setup ) {
1331 0 : return;
1332 0 : }
1333 :
1334 48 : for( ulong i=0UL; i<runtime->accounts.executable_cnt; i++ ) {
1335 3 : fd_accdb_close_ro( runtime->accdb, &runtime->accounts.executable[i] );
1336 3 : }
1337 45 : runtime->accounts.executable_cnt = 0UL;
1338 :
1339 204 : for( ushort i=0; i<txn_out->accounts.cnt; i++ ) {
1340 159 : if( txn_out->accounts.is_writable[i] ) {
1341 90 : fd_acc_pool_release( runtime->acc_pool, fd_type_pun( txn_out->accounts.account[i].meta ) );
1342 90 : } else {
1343 69 : fd_accdb_close_ro( runtime->accdb, txn_out->accounts.account[i].ro );
1344 69 : }
1345 159 : }
1346 :
1347 45 : fd_acc_pool_release( runtime->acc_pool, txn_out->accounts.rollback_nonce_mem );
1348 45 : fd_acc_pool_release( runtime->acc_pool, txn_out->accounts.rollback_fee_payer_mem );
1349 45 : }
1350 :
1351 : static inline void
1352 189 : fd_runtime_reset_runtime( fd_runtime_t * runtime ) {
1353 189 : runtime->instr.stack_sz = 0;
1354 189 : runtime->instr.trace_length = 0UL;
1355 : /* The only condition where the executable count of the current
1356 : runtime is not 0 is when a bundle of transaction is being executed.
1357 : In this case, close any outstanding executable accounts. */
1358 192 : for( ulong i=0UL; i<runtime->accounts.executable_cnt; i++ ) {
1359 3 : fd_accdb_close_ro( runtime->accdb, &runtime->accounts.executable[i] );
1360 3 : }
1361 189 : runtime->accounts.executable_cnt = 0UL;
1362 :
1363 189 : }
1364 :
1365 : static inline void
1366 : fd_runtime_new_txn_out( fd_txn_in_t const * txn_in,
1367 189 : fd_txn_out_t * txn_out ) {
1368 189 : txn_out->details.prep_start_timestamp = fd_tickcount();
1369 189 : txn_out->details.load_start_timestamp = LONG_MAX;
1370 189 : txn_out->details.exec_start_timestamp = LONG_MAX;
1371 189 : txn_out->details.commit_start_timestamp = LONG_MAX;
1372 :
1373 189 : fd_compute_budget_details_new( &txn_out->details.compute_budget );
1374 :
1375 189 : txn_out->details.loaded_accounts_data_size = 0UL;
1376 189 : txn_out->details.accounts_resize_delta = 0L;
1377 :
1378 189 : txn_out->details.return_data.len = 0UL;
1379 189 : memset( txn_out->details.return_data.program_id.key, 0, sizeof(fd_pubkey_t) );
1380 :
1381 189 : txn_out->details.tips = 0UL;
1382 189 : txn_out->details.execution_fee = 0UL;
1383 189 : txn_out->details.priority_fee = 0UL;
1384 189 : txn_out->details.signature_count = 0UL;
1385 :
1386 189 : txn_out->details.signature_count = TXN( txn_in->txn )->signature_cnt;
1387 189 : txn_out->details.is_simple_vote = fd_txn_is_simple_vote_transaction( TXN( txn_in->txn ), txn_in->txn->payload );
1388 :
1389 189 : fd_hash_t * blockhash = (fd_hash_t *)((uchar *)txn_in->txn->payload + TXN( txn_in->txn )->recent_blockhash_off);
1390 189 : memcpy( txn_out->details.blockhash.uc, blockhash->hash, sizeof(fd_hash_t) );
1391 :
1392 189 : txn_out->accounts.is_setup = 0;
1393 189 : txn_out->accounts.cnt = 0UL;
1394 189 : txn_out->accounts.rollback_nonce = NULL;
1395 189 : txn_out->accounts.rollback_fee_payer = NULL;
1396 189 : memset( txn_out->accounts.stake_update, 0, sizeof(txn_out->accounts.stake_update) );
1397 189 : memset( txn_out->accounts.vote_update, 0, sizeof(txn_out->accounts.vote_update) );
1398 189 : memset( txn_out->accounts.new_vote, 0, sizeof(txn_out->accounts.new_vote) );
1399 189 : memset( txn_out->accounts.rm_vote, 0, sizeof(txn_out->accounts.rm_vote) );
1400 :
1401 189 : txn_out->err.is_committable = 1;
1402 189 : txn_out->err.is_fees_only = 0;
1403 189 : txn_out->err.txn_err = FD_RUNTIME_EXECUTE_SUCCESS;
1404 189 : txn_out->err.exec_err = FD_EXECUTOR_INSTR_SUCCESS;
1405 189 : txn_out->err.exec_err_kind = FD_EXECUTOR_ERR_KIND_NONE;
1406 189 : txn_out->err.exec_err_idx = INT_MAX;
1407 189 : txn_out->err.custom_err = 0;
1408 189 : }
1409 :
1410 : void
1411 : fd_runtime_prepare_and_execute_txn( fd_runtime_t * runtime,
1412 : fd_bank_t * bank,
1413 : fd_txn_in_t const * txn_in,
1414 189 : fd_txn_out_t * txn_out ) {
1415 :
1416 189 : fd_runtime_reset_runtime( runtime );
1417 :
1418 189 : fd_runtime_new_txn_out( txn_in, txn_out );
1419 :
1420 : /* Set up the core account keys before any pre-execution checks.
1421 : This is needed both for execution and for protobuf context
1422 : dumping. */
1423 189 : fd_executor_setup_txn_account_keys( txn_in, txn_out );
1424 :
1425 189 : uchar dump_txn = !!( runtime->log.dump_proto_ctx &&
1426 189 : bank->f.slot >= runtime->log.dump_proto_ctx->dump_proto_start_slot &&
1427 189 : runtime->log.dump_proto_ctx->dump_txn_to_pb );
1428 :
1429 : /* Phase 1: Capture TxnContext before execution. */
1430 189 : if( FD_UNLIKELY( dump_txn ) ) {
1431 0 : if( runtime->log.txn_dump_ctx ) {
1432 0 : fd_dump_txn_context_to_protobuf( runtime->log.txn_dump_ctx, runtime, bank, txn_in, txn_out );
1433 0 : } else {
1434 0 : fd_dump_txn_to_protobuf( runtime, bank, txn_in, txn_out );
1435 0 : }
1436 0 : }
1437 :
1438 : /* Transaction sanitization. If a transaction can't be commited or is
1439 : fees-only, we return early. */
1440 189 : txn_out->err.txn_err = fd_runtime_pre_execute_check( runtime, bank, txn_in, txn_out );
1441 189 : ulong cu_before = txn_out->details.compute_budget.compute_meter;
1442 :
1443 : /* Execute the transaction if eligible to do so. */
1444 189 : if( FD_LIKELY( txn_out->err.is_committable ) ) {
1445 183 : if( FD_LIKELY( !txn_out->err.is_fees_only ) ) {
1446 183 : txn_out->err.txn_err = fd_execute_txn( runtime, bank, txn_in, txn_out );
1447 183 : }
1448 183 : fd_cost_tracker_calculate_cost( bank, txn_in, txn_out );
1449 183 : }
1450 189 : ulong cu_after = txn_out->details.compute_budget.compute_meter;
1451 189 : runtime->metrics.cu_cum += fd_ulong_sat_sub( cu_before, cu_after );
1452 :
1453 : /* Phase 2: Capture TxnResult after execution and write to disk. */
1454 189 : if( FD_UNLIKELY( dump_txn && runtime->log.txn_dump_ctx ) ) {
1455 0 : fd_dump_txn_result_to_protobuf( runtime->log.txn_dump_ctx, txn_in, txn_out, txn_out->err.txn_err );
1456 0 : fd_dump_txn_fixture_to_file( runtime->log.txn_dump_ctx, runtime->log.dump_proto_ctx, txn_in );
1457 0 : }
1458 189 : }
1459 :
1460 : /* fd_executor_txn_verify and fd_runtime_pre_execute_check are responisble
1461 : for the bulk of the pre-transaction execution checks in the runtime.
1462 : They aim to preserve the ordering present in the Agave client to match
1463 : parity in terms of error codes. Sigverify is kept separate from the rest
1464 : of the transaction checks for fuzzing convenience.
1465 :
1466 : For reference this is the general code path which contains all relevant
1467 : pre-transactions checks in the v2.0.x Agave client from upstream
1468 : to downstream is as follows:
1469 :
1470 : confirm_slot_entries() which calls verify_ticks() and
1471 : verify_transaction(). verify_transaction() calls verify_and_hash_message()
1472 : and verify_precompiles() which parallels fd_executor_txn_verify() and
1473 : fd_executor_verify_transaction().
1474 :
1475 : process_entries() contains a duplicate account check which is part of
1476 : agave account lock acquiring. This is checked inline in
1477 : fd_runtime_pre_execute_check().
1478 :
1479 : load_and_execute_transactions() contains the function check_transactions().
1480 : This contains check_age() and check_status_cache() which is paralleled by
1481 : fd_executor_check_transaction_age_and_compute_budget_limits() and
1482 : fd_executor_check_status_cache() respectively.
1483 :
1484 : load_and_execute_sanitized_transactions() contains validate_fees()
1485 : which is responsible for executing the compute budget instructions,
1486 : validating the fee payer and collecting the fee. This is mirrored in
1487 : firedancer with fd_executor_compute_budget_program_execute_instructions()
1488 : and fd_executor_collect_fees(). load_and_execute_sanitized_transactions()
1489 : also checks the total data size of the accounts in load_accounts() and
1490 : validates the program accounts in load_transaction_accounts(). This
1491 : is paralled by fd_executor_load_transaction_accounts(). */
1492 :
1493 :
1494 : /******************************************************************************/
1495 : /* Genesis */
1496 : /*******************************************************************************/
1497 :
1498 : static void
1499 : fd_runtime_genesis_init_program( fd_bank_t * bank,
1500 : fd_accdb_user_t * accdb,
1501 : fd_funk_txn_xid_t const * xid,
1502 0 : fd_capture_ctx_t * capture_ctx ) {
1503 :
1504 0 : fd_sysvar_clock_init( bank, accdb, xid, capture_ctx );
1505 0 : fd_sysvar_rent_init( bank, accdb, xid, capture_ctx );
1506 :
1507 0 : fd_sysvar_slot_history_init( bank, accdb, xid, capture_ctx );
1508 0 : fd_sysvar_epoch_schedule_init( bank, accdb, xid, capture_ctx );
1509 0 : fd_sysvar_recent_hashes_init( bank, accdb, xid, capture_ctx );
1510 0 : fd_sysvar_stake_history_init( bank, accdb, xid, capture_ctx );
1511 0 : fd_sysvar_last_restart_slot_init( bank, accdb, xid, capture_ctx );
1512 :
1513 0 : fd_builtin_programs_init( bank, accdb, xid, capture_ctx );
1514 0 : }
1515 :
1516 : static void
1517 : fd_runtime_init_bank_from_genesis( fd_banks_t * banks,
1518 : fd_bank_t * bank,
1519 : fd_runtime_stack_t * runtime_stack,
1520 : fd_accdb_user_t * accdb,
1521 : fd_funk_txn_xid_t const * xid,
1522 : fd_genesis_t const * genesis,
1523 : uchar const * genesis_blob,
1524 0 : fd_hash_t const * genesis_hash ) {
1525 :
1526 0 : bank->f.parent_slot = ULONG_MAX;
1527 0 : bank->f.poh = *genesis_hash;
1528 :
1529 0 : fd_hash_t * bank_hash = &bank->f.bank_hash;
1530 0 : memset( bank_hash->hash, 0, FD_SHA256_HASH_SZ );
1531 :
1532 0 : uint128 target_tick_duration = (uint128)genesis->poh.tick_duration_secs * 1000000000UL + (uint128)genesis->poh.tick_duration_ns;
1533 :
1534 0 : fd_epoch_schedule_t * epoch_schedule = &bank->f.epoch_schedule;
1535 0 : epoch_schedule->leader_schedule_slot_offset = genesis->epoch_schedule.leader_schedule_slot_offset;
1536 0 : epoch_schedule->warmup = genesis->epoch_schedule.warmup;
1537 0 : epoch_schedule->first_normal_epoch = genesis->epoch_schedule.first_normal_epoch;
1538 0 : epoch_schedule->first_normal_slot = genesis->epoch_schedule.first_normal_slot;
1539 0 : epoch_schedule->slots_per_epoch = genesis->epoch_schedule.slots_per_epoch;
1540 :
1541 0 : fd_rent_t * rent = &bank->f.rent;
1542 0 : rent->lamports_per_uint8_year = genesis->rent.lamports_per_uint8_year;
1543 0 : rent->exemption_threshold = genesis->rent.exemption_threshold;
1544 0 : rent->burn_percent = genesis->rent.burn_percent;
1545 :
1546 0 : fd_inflation_t * inflation = &bank->f.inflation;
1547 0 : inflation->initial = genesis->inflation.initial;
1548 0 : inflation->terminal = genesis->inflation.terminal;
1549 0 : inflation->taper = genesis->inflation.taper;
1550 0 : inflation->foundation = genesis->inflation.foundation;
1551 0 : inflation->foundation_term = genesis->inflation.foundation_term;
1552 0 : inflation->unused = 0.0;
1553 :
1554 0 : bank->f.block_height = 0UL;
1555 :
1556 0 : {
1557 : /* FIXME Why is there a previous blockhash at genesis? Why is the
1558 : last_hash field an option type in Agave, if even the first
1559 : real block has a previous blockhash? */
1560 0 : fd_blockhashes_t * bhq = fd_blockhashes_init( &bank->f.block_hash_queue, 0UL );
1561 0 : fd_blockhash_info_t * info = fd_blockhashes_push_new( bhq, genesis_hash );
1562 0 : info->lamports_per_signature = 0UL;
1563 0 : }
1564 :
1565 0 : fd_fee_rate_governor_t * fee_rate_governor = &bank->f.fee_rate_governor;
1566 0 : fee_rate_governor->target_lamports_per_signature = genesis->fee_rate_governor.target_lamports_per_signature;
1567 0 : fee_rate_governor->target_signatures_per_slot = genesis->fee_rate_governor.target_signatures_per_slot;
1568 0 : fee_rate_governor->min_lamports_per_signature = genesis->fee_rate_governor.min_lamports_per_signature;
1569 0 : fee_rate_governor->max_lamports_per_signature = genesis->fee_rate_governor.max_lamports_per_signature;
1570 0 : fee_rate_governor->burn_percent = genesis->fee_rate_governor.burn_percent;
1571 :
1572 0 : bank->f.max_tick_height = genesis->poh.ticks_per_slot * (bank->f.slot + 1);
1573 :
1574 0 : bank->f.hashes_per_tick = genesis->poh.hashes_per_tick;
1575 :
1576 0 : bank->f.ns_per_slot = (fd_w_u128_t) { .ud=target_tick_duration * genesis->poh.ticks_per_slot };
1577 :
1578 0 : bank->f.ticks_per_slot = genesis->poh.ticks_per_slot;
1579 :
1580 0 : bank->f.genesis_creation_time = genesis->creation_time;
1581 :
1582 0 : bank->f.slots_per_year = SECONDS_PER_YEAR * (1000000000.0 / (double)target_tick_duration) / (double)genesis->poh.ticks_per_slot;
1583 :
1584 0 : bank->f.signature_count = 0UL;
1585 :
1586 : /* Derive epoch stakes */
1587 :
1588 0 : fd_stake_delegations_t * stake_delegations = fd_banks_stake_delegations_root_query( banks );
1589 0 : if( FD_UNLIKELY( !stake_delegations ) ) {
1590 0 : FD_LOG_CRIT(( "Failed to join and new a stake delegations" ));
1591 0 : }
1592 :
1593 0 : ulong capitalization = 0UL;
1594 :
1595 0 : for( ulong i=0UL; i<genesis->account_cnt; i++ ) {
1596 0 : fd_genesis_account_t account[1];
1597 0 : fd_genesis_account( genesis, genesis_blob, account, i );
1598 :
1599 0 : capitalization = fd_ulong_sat_add( capitalization, account->meta.lamports );
1600 :
1601 0 : uchar const * acc_data = account->data;
1602 :
1603 0 : if( !memcmp( account->meta.owner, fd_solana_stake_program_id.key, sizeof(fd_pubkey_t) ) ) {
1604 : /* If an account is a stake account, then it must be added to the
1605 : stake delegations cache. We should only add stake accounts that
1606 : have a valid non-zero stake. */
1607 0 : fd_stake_state_t const * stake_state = fd_stake_state_view( acc_data, account->meta.dlen );
1608 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 )); }
1609 0 : if( stake_state->stake_type!=FD_STAKE_STATE_STAKE ) continue;
1610 0 : if( !stake_state->stake.stake.delegation.stake ) continue;
1611 :
1612 0 : fd_stake_delegations_root_update(
1613 0 : stake_delegations,
1614 0 : &account->pubkey,
1615 0 : &stake_state->stake.stake.delegation.voter_pubkey,
1616 0 : stake_state->stake.stake.delegation.stake,
1617 0 : stake_state->stake.stake.delegation.activation_epoch,
1618 0 : stake_state->stake.stake.delegation.deactivation_epoch,
1619 0 : stake_state->stake.stake.credits_observed,
1620 0 : FD_STAKE_DELEGATIONS_WARMUP_COOLDOWN_RATE_ENUM_025 /* genesis is epoch 0, always 0.25 */ );
1621 :
1622 0 : } else if( !memcmp( account->meta.owner, fd_solana_feature_program_id.key, sizeof(fd_pubkey_t) ) ) {
1623 : /* Feature Account */
1624 :
1625 : /* Scan list of feature IDs to resolve address=>feature offset */
1626 0 : fd_feature_id_t const *found = NULL;
1627 0 : for( fd_feature_id_t const * id = fd_feature_iter_init();
1628 0 : !fd_feature_iter_done( id );
1629 0 : id = fd_feature_iter_next( id ) ) {
1630 0 : if( fd_pubkey_eq( &account->pubkey, &id->id ) ) {
1631 0 : found = id;
1632 0 : break;
1633 0 : }
1634 0 : }
1635 :
1636 0 : if( found ) {
1637 : /* Load feature activation */
1638 0 : fd_feature_t feature[1];
1639 0 : if( FD_UNLIKELY( !fd_feature_decode( feature, acc_data, account->meta.dlen ) ) ) {
1640 0 : FD_BASE58_ENCODE_32_BYTES( account->pubkey.uc, addr_b58 );
1641 0 : FD_LOG_WARNING(( "genesis contains corrupt feature account %s", addr_b58 ));
1642 0 : FD_LOG_HEXDUMP_ERR(( "data", acc_data, account->meta.dlen ));
1643 0 : }
1644 0 : fd_features_t * features = &bank->f.features;
1645 0 : if( feature->is_active ) {
1646 0 : FD_BASE58_ENCODE_32_BYTES( account->pubkey.uc, pubkey_b58 );
1647 0 : FD_LOG_DEBUG(( "feature %s activated at slot %lu (genesis)", pubkey_b58, feature->activation_slot ));
1648 0 : fd_features_set( features, found, feature->activation_slot );
1649 0 : } else {
1650 0 : FD_BASE58_ENCODE_32_BYTES( account->pubkey.uc, pubkey_b58 );
1651 0 : FD_LOG_DEBUG(( "feature %s not activated (genesis)", pubkey_b58 ));
1652 0 : fd_features_set( features, found, ULONG_MAX );
1653 0 : }
1654 0 : }
1655 0 : }
1656 0 : }
1657 :
1658 : /* fd_refresh_vote_accounts is responsible for updating the vote
1659 : states with the total amount of active delegated stake. It does
1660 : this by iterating over all active stake delegations and summing up
1661 : the amount of stake that is delegated to each vote account. */
1662 :
1663 0 : ulong new_rate_activation_epoch = 0UL;
1664 :
1665 0 : {
1666 0 : fd_stake_history_t stake_history_[1];
1667 0 : fd_accdb_ro_t ro_[1];
1668 0 : fd_stake_history_t * stake_history = NULL;
1669 0 : fd_accdb_ro_t * ro = fd_accdb_open_ro( accdb, ro_, xid, &fd_sysvar_stake_history_id );
1670 0 : if( ro ) stake_history = fd_sysvar_stake_history_view( stake_history_, fd_accdb_ref_data_const( ro ), fd_accdb_ref_data_sz( ro ) );
1671 :
1672 0 : fd_refresh_vote_accounts(
1673 0 : bank,
1674 0 : accdb,
1675 0 : xid,
1676 0 : runtime_stack,
1677 0 : stake_delegations,
1678 0 : stake_history,
1679 0 : &new_rate_activation_epoch );
1680 :
1681 0 : if( FD_LIKELY( ro ) ) fd_accdb_close_ro( accdb, ro );
1682 0 : }
1683 :
1684 0 : fd_vote_stakes_t * vote_stakes = fd_bank_vote_stakes( bank );
1685 0 : fd_vote_stakes_genesis_fini( vote_stakes );
1686 :
1687 0 : bank->f.epoch = 0UL;
1688 :
1689 0 : bank->f.capitalization = capitalization;
1690 0 : }
1691 :
1692 : static int
1693 : fd_runtime_process_genesis_block( fd_bank_t * bank,
1694 : fd_accdb_user_t * accdb,
1695 : fd_funk_txn_xid_t const * xid,
1696 : fd_capture_ctx_t * capture_ctx,
1697 0 : fd_runtime_stack_t * runtime_stack ) {
1698 :
1699 0 : fd_hash_t * poh = &bank->f.poh;
1700 0 : ulong hashcnt_per_slot = bank->f.hashes_per_tick * bank->f.ticks_per_slot;
1701 0 : while( hashcnt_per_slot-- ) {
1702 0 : fd_sha256_hash( poh->hash, sizeof(fd_hash_t), poh->hash );
1703 0 : }
1704 :
1705 0 : bank->f.execution_fees = 0UL;
1706 :
1707 0 : bank->f.priority_fees = 0UL;
1708 :
1709 0 : bank->f.signature_count = 0UL;
1710 :
1711 0 : bank->f.txn_count = 0UL;
1712 :
1713 0 : bank->f.failed_txn_count = 0UL;
1714 :
1715 0 : bank->f.nonvote_failed_txn_count = 0UL;
1716 :
1717 0 : bank->f.total_compute_units_used = 0UL;
1718 :
1719 0 : fd_runtime_genesis_init_program( bank, accdb, xid, capture_ctx );
1720 :
1721 0 : fd_sysvar_slot_history_update( bank, accdb, xid, capture_ctx );
1722 :
1723 0 : fd_runtime_update_leaders( bank, runtime_stack );
1724 :
1725 0 : fd_runtime_freeze( bank, accdb, capture_ctx );
1726 :
1727 0 : fd_lthash_value_t const * lthash = fd_bank_lthash_locking_query( bank );
1728 :
1729 0 : fd_hash_t const * prev_bank_hash = &bank->f.bank_hash;
1730 :
1731 0 : fd_hash_t * bank_hash = &bank->f.bank_hash;
1732 0 : fd_hashes_hash_bank(
1733 0 : lthash,
1734 0 : prev_bank_hash,
1735 0 : (fd_hash_t *)bank->f.poh.hash,
1736 0 : 0UL,
1737 0 : bank_hash );
1738 :
1739 0 : fd_bank_lthash_end_locking_query( bank );
1740 :
1741 0 : return FD_RUNTIME_EXECUTE_SUCCESS;
1742 0 : }
1743 :
1744 : void
1745 : fd_runtime_read_genesis( fd_banks_t * banks,
1746 : fd_bank_t * bank,
1747 : fd_accdb_user_t * accdb,
1748 : fd_funk_txn_xid_t const * xid,
1749 : fd_capture_ctx_t * capture_ctx,
1750 : fd_hash_t const * genesis_hash,
1751 : fd_lthash_value_t const * genesis_lthash,
1752 : fd_genesis_t const * genesis,
1753 : uchar const * genesis_blob,
1754 0 : fd_runtime_stack_t * runtime_stack ) {
1755 :
1756 0 : fd_lthash_value_t * lthash = fd_bank_lthash_locking_modify( bank );
1757 0 : *lthash = *genesis_lthash;
1758 0 : fd_bank_lthash_end_locking_modify( bank );
1759 :
1760 : /* Once the accounts have been loaded from the genesis config into
1761 : the accounts db, we can initialize the bank state. This involves
1762 : setting some fields, and notably setting up the vote and stake
1763 : caches which are used for leader scheduling/rewards. */
1764 :
1765 0 : fd_runtime_init_bank_from_genesis( banks, bank, runtime_stack, accdb, xid, genesis, genesis_blob, genesis_hash );
1766 :
1767 : /* Write the native programs to the accounts db. */
1768 :
1769 0 : for( ulong i=0UL; i<genesis->builtin_cnt; i++ ) {
1770 0 : fd_genesis_builtin_t builtin[1];
1771 0 : fd_genesis_builtin( genesis, genesis_blob, builtin, i );
1772 0 : fd_write_builtin_account( bank, accdb, xid, capture_ctx, builtin->pubkey, builtin->data, builtin->dlen );
1773 0 : }
1774 :
1775 0 : fd_features_restore( bank, accdb, xid );
1776 :
1777 : /* At this point, state related to the bank and the accounts db
1778 : have been initialized and we are free to finish executing the
1779 : block. In practice, this updates some bank fields (notably the
1780 : poh and bank hash). */
1781 :
1782 0 : int err = fd_runtime_process_genesis_block( bank, accdb, xid, capture_ctx, runtime_stack );
1783 0 : if( FD_UNLIKELY( err ) ) FD_LOG_CRIT(( "genesis slot 0 execute failed with error %d", err ));
1784 0 : }
1785 :
1786 : void
1787 : fd_runtime_block_execute_finalize( fd_bank_t * bank,
1788 : fd_accdb_user_t * accdb,
1789 78 : fd_capture_ctx_t * capture_ctx ) {
1790 :
1791 : /* This slot is now "frozen" and can't be changed anymore. */
1792 78 : fd_runtime_freeze( bank, accdb, capture_ctx );
1793 :
1794 78 : fd_runtime_update_bank_hash( bank, capture_ctx );
1795 78 : }
1796 :
1797 :
1798 : /* Mirrors Agave function solana_sdk::transaction_context::find_index_of_account
1799 :
1800 : Backward scan over transaction accounts.
1801 : Returns -1 if not found.
1802 :
1803 : https://github.com/anza-xyz/agave/blob/v2.1.14/sdk/src/transaction_context.rs#L233-L238 */
1804 :
1805 : int
1806 : fd_runtime_find_index_of_account( fd_txn_out_t const * txn_out,
1807 10311 : fd_pubkey_t const * pubkey ) {
1808 24498 : for( ulong i=txn_out->accounts.cnt; i>0UL; i-- ) {
1809 21894 : if( 0==memcmp( pubkey, &txn_out->accounts.keys[ i-1UL ], sizeof(fd_pubkey_t) ) ) {
1810 7707 : return (int)(i-1UL);
1811 7707 : }
1812 21894 : }
1813 2604 : return -1;
1814 10311 : }
1815 :
1816 : fd_accdb_ref_t *
1817 : fd_runtime_get_account_at_index( fd_txn_in_t const * txn_in,
1818 : fd_txn_out_t * txn_out,
1819 : ushort idx,
1820 23499 : fd_txn_account_condition_fn_t * condition ) {
1821 23499 : if( FD_UNLIKELY( idx>=txn_out->accounts.cnt ) ) {
1822 0 : return NULL;
1823 0 : }
1824 :
1825 23499 : if( FD_LIKELY( condition != NULL ) ) {
1826 843 : if( FD_UNLIKELY( !condition( txn_in, txn_out, idx ) ) ) {
1827 21 : return NULL;
1828 21 : }
1829 843 : }
1830 :
1831 23478 : return txn_out->accounts.account[ idx ].ref;
1832 23499 : }
1833 :
1834 : fd_accdb_ref_t *
1835 : fd_runtime_get_account_with_key( fd_txn_in_t const * txn_in,
1836 : fd_txn_out_t * txn_out,
1837 : fd_pubkey_t const * pubkey,
1838 : int * index_out,
1839 0 : fd_txn_account_condition_fn_t * condition ) {
1840 0 : int index = fd_runtime_find_index_of_account( txn_out, pubkey );
1841 0 : if( FD_UNLIKELY( index<0 ) ) return NULL;
1842 :
1843 0 : *index_out = index;
1844 :
1845 0 : return fd_runtime_get_account_at_index( txn_in, txn_out, (uchar)index, condition );
1846 0 : }
1847 :
1848 : fd_accdb_ro_t *
1849 : fd_runtime_get_executable_account( fd_runtime_t * runtime,
1850 : fd_txn_in_t const * txn_in,
1851 : fd_txn_out_t * txn_out,
1852 0 : fd_pubkey_t const * pubkey ) {
1853 : /* First try to fetch the executable account from the existing
1854 : borrowed accounts. If the pubkey is in the account keys, then we
1855 : want to re-use that borrowed account since it reflects changes from
1856 : prior instructions. Referencing the read-only executable accounts
1857 : list is incorrect behavior when the program data account is written
1858 : to in a prior instruction (e.g. program upgrade + invoke within the
1859 : same txn) */
1860 :
1861 0 : fd_txn_account_condition_fn_t * condition = fd_runtime_account_check_exists;
1862 :
1863 0 : int index;
1864 0 : fd_accdb_ref_t * ref = fd_runtime_get_account_with_key(
1865 0 : txn_in, txn_out, pubkey, &index, condition );
1866 0 : if( FD_UNLIKELY( ref ) ) return fd_accdb_ref_ro( ref );
1867 :
1868 0 : for( ushort i=0; i<runtime->accounts.executable_cnt; i++ ) {
1869 0 : if( fd_pubkey_eq( pubkey, fd_accdb_ref_address( &runtime->accounts.executable[i] ) ) ) {
1870 0 : fd_accdb_ro_t * ro = &runtime->accounts.executable[i];
1871 0 : if( FD_UNLIKELY( !fd_account_meta_exists( ro->meta ) ) ) {
1872 0 : return NULL;
1873 0 : }
1874 0 : return ro;
1875 0 : }
1876 0 : }
1877 :
1878 0 : return NULL;
1879 0 : }
1880 :
1881 : int
1882 : fd_runtime_get_key_of_account_at_index( fd_txn_out_t * txn_out,
1883 : ushort idx,
1884 31728 : fd_pubkey_t const * * key ) {
1885 : /* Return a MissingAccount error if idx is out of bounds.
1886 : https://github.com/anza-xyz/agave/blob/v3.1.4/transaction-context/src/lib.rs#L187 */
1887 31728 : if( FD_UNLIKELY( idx>=txn_out->accounts.cnt ) ) {
1888 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_ACC;
1889 0 : }
1890 :
1891 31728 : *key = &txn_out->accounts.keys[ idx ];
1892 31728 : return FD_EXECUTOR_INSTR_SUCCESS;
1893 31728 : }
1894 :
1895 : /* https://github.com/anza-xyz/agave/blob/v2.1.1/sdk/program/src/message/versions/v0/loaded.rs#L162 */
1896 : int
1897 : fd_txn_account_is_demotion( const int idx,
1898 : const fd_txn_t * txn_descriptor,
1899 6084 : const uint bpf_upgradeable_in_txn ) {
1900 6084 : uint is_program = 0U;
1901 12192 : for( ulong j=0UL; j<txn_descriptor->instr_cnt; j++ ) {
1902 6108 : if( txn_descriptor->instr[j].program_id == idx ) {
1903 0 : is_program = 1U;
1904 0 : break;
1905 0 : }
1906 6108 : }
1907 :
1908 6084 : return (is_program && !bpf_upgradeable_in_txn);
1909 6084 : }
1910 :
1911 : uint
1912 : fd_txn_account_has_bpf_loader_upgradeable( const fd_pubkey_t * account_keys,
1913 6315 : const ulong accounts_cnt ) {
1914 20421 : for( ulong j=0; j<accounts_cnt; j++ ) {
1915 14169 : const fd_pubkey_t * acc = &account_keys[j];
1916 14169 : if ( memcmp( acc->uc, fd_solana_bpf_loader_upgradeable_program_id.key, sizeof(fd_pubkey_t) ) == 0 ) {
1917 63 : return 1U;
1918 63 : }
1919 14169 : }
1920 6252 : return 0U;
1921 6315 : }
1922 :
1923 : static inline int
1924 : fd_runtime_account_is_writable_idx_flat( const ushort idx,
1925 : const fd_pubkey_t * addr_at_idx,
1926 : const fd_txn_t * txn_descriptor,
1927 6315 : const uint bpf_upgradeable_in_txn ) {
1928 : /* https://github.com/anza-xyz/agave/blob/v2.1.11/sdk/program/src/message/sanitized.rs#L43 */
1929 6315 : if( !fd_txn_is_writable( txn_descriptor, idx ) ) {
1930 222 : return 0;
1931 222 : }
1932 :
1933 : /* See comments in fd_system_ids.h.
1934 : https://github.com/anza-xyz/agave/blob/v2.1.11/sdk/program/src/message/sanitized.rs#L44 */
1935 6093 : if( fd_pubkey_is_active_reserved_key( addr_at_idx ) ||
1936 6093 : fd_pubkey_is_pending_reserved_key( addr_at_idx ) ) {
1937 :
1938 9 : return 0;
1939 9 : }
1940 :
1941 6084 : if( fd_txn_account_is_demotion( idx, txn_descriptor, bpf_upgradeable_in_txn ) ) {
1942 0 : return 0;
1943 0 : }
1944 :
1945 6084 : return 1;
1946 6084 : }
1947 :
1948 :
1949 : /* This function aims to mimic the writable accounts check to populate the writable accounts cache, used
1950 : to determine if accounts are writable or not.
1951 :
1952 : https://github.com/anza-xyz/agave/blob/v2.1.11/sdk/program/src/message/sanitized.rs#L38-L47 */
1953 : int
1954 : fd_runtime_account_is_writable_idx( fd_txn_in_t const * txn_in,
1955 : fd_txn_out_t const * txn_out,
1956 6315 : ushort idx ) {
1957 6315 : uint bpf_upgradeable = fd_txn_account_has_bpf_loader_upgradeable( txn_out->accounts.keys, txn_out->accounts.cnt );
1958 6315 : return fd_runtime_account_is_writable_idx_flat( idx,
1959 6315 : &txn_out->accounts.keys[idx],
1960 6315 : TXN( txn_in->txn ),
1961 6315 : bpf_upgradeable );
1962 6315 : }
1963 :
1964 : /* Account pre-condition filtering functions */
1965 :
1966 : int
1967 : fd_runtime_account_check_exists( fd_txn_in_t const * txn_in,
1968 : fd_txn_out_t * txn_out,
1969 660 : ushort idx ) {
1970 660 : (void) txn_in;
1971 660 : return fd_account_meta_exists( txn_out->accounts.account[idx].meta );
1972 660 : }
1973 :
1974 : int
1975 : fd_runtime_account_check_fee_payer_writable( fd_txn_in_t const * txn_in,
1976 : fd_txn_out_t * txn_out,
1977 183 : ushort idx ) {
1978 183 : (void) txn_out;
1979 183 : return fd_txn_is_writable( TXN( txn_in->txn ), idx );
1980 183 : }
1981 :
1982 :
1983 : int
1984 366 : fd_account_meta_checked_sub_lamports( fd_account_meta_t * meta, ulong lamports ) {
1985 366 : ulong balance_post = 0UL;
1986 366 : int err = fd_ulong_checked_sub( meta->lamports,
1987 366 : lamports,
1988 366 : &balance_post );
1989 366 : if( FD_UNLIKELY( err ) ) {
1990 0 : return FD_EXECUTOR_INSTR_ERR_ARITHMETIC_OVERFLOW;
1991 0 : }
1992 :
1993 366 : meta->lamports = balance_post;
1994 366 : return FD_EXECUTOR_INSTR_SUCCESS;
1995 366 : }
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