Line data Source code
1 : #include "fd_runtime.h"
2 : #include "fd_bank.h"
3 : #include "../events/fd_event_runtime.h"
4 :
5 : #include "../types/fd_cast.h"
6 : #include "fd_alut.h"
7 : #include "fd_executor.h"
8 : #include "fd_hashes.h"
9 : #include "fd_runtime_stack.h"
10 : #include "fd_accdb_svm.h"
11 : #include "../genesis/fd_genesis_parse.h"
12 : #include "fd_txncache.h"
13 : #include "fd_compute_budget_details.h"
14 : #include "program/fd_compute_budget_program.h"
15 : #include "tests/fd_dump_pb.h"
16 :
17 : #include "fd_system_ids.h"
18 : #include "sysvar/fd_sysvar.h"
19 : #include "sysvar/fd_sysvar_clock.h"
20 : #include "sysvar/fd_sysvar_epoch_schedule.h"
21 : #include "sysvar/fd_sysvar_recent_hashes.h"
22 : #include "sysvar/fd_sysvar_stake_history.h"
23 : #include "sysvar/fd_sysvar_last_restart_slot.h"
24 : #include "sysvar/fd_sysvar_slot_hashes.h"
25 : #include "sysvar/fd_sysvar_slot_history.h"
26 :
27 : #include "../stakes/fd_stakes.h"
28 : #include "../rewards/fd_rewards.h"
29 :
30 : #include "program/fd_precompiles.h"
31 : #include "program/vote/fd_vote_state_versioned.h"
32 :
33 : FD_STATIC_ASSERT( MAX_STAKE_WEIGHTS==FD_RUNTIME_MAX_VAT_VOTE_ACCOUNTS, vat_stake_weights );
34 :
35 : /*
36 : https://github.com/anza-xyz/agave/blob/v2.1.1/runtime/src/bank.rs#L1254-L1258
37 : https://github.com/anza-xyz/agave/blob/v2.1.1/runtime/src/bank.rs#L1749
38 : */
39 : int
40 : fd_runtime_compute_max_tick_height( ulong ticks_per_slot,
41 : ulong slot,
42 0 : ulong * out_max_tick_height /* out */ ) {
43 0 : ulong max_tick_height = 0UL;
44 0 : if( FD_LIKELY( ticks_per_slot > 0UL ) ) {
45 0 : ulong next_slot = fd_ulong_sat_add( slot, 1UL );
46 0 : if( FD_UNLIKELY( next_slot == slot ) ) {
47 0 : FD_LOG_WARNING(( "max tick height addition overflowed slot %lu ticks_per_slot %lu", slot, ticks_per_slot ));
48 0 : return -1;
49 0 : }
50 0 : if( FD_UNLIKELY( ULONG_MAX / ticks_per_slot < next_slot ) ) {
51 0 : FD_LOG_WARNING(( "max tick height multiplication overflowed slot %lu ticks_per_slot %lu", slot, ticks_per_slot ));
52 0 : return -1;
53 0 : }
54 0 : max_tick_height = fd_ulong_sat_mul( next_slot, ticks_per_slot );
55 0 : }
56 0 : *out_max_tick_height = max_tick_height;
57 0 : return FD_RUNTIME_EXECUTE_SUCCESS;
58 0 : }
59 :
60 : void
61 : fd_runtime_update_next_leaders( fd_bank_t * bank,
62 0 : fd_runtime_stack_t * runtime_stack ) {
63 :
64 0 : fd_epoch_schedule_t const * epoch_schedule = &bank->f.epoch_schedule;
65 :
66 0 : ulong epoch = fd_slot_to_epoch ( epoch_schedule, bank->f.slot, NULL ) + 1UL;
67 0 : ulong slot0 = fd_epoch_slot0 ( epoch_schedule, epoch );
68 0 : ulong slot_cnt = fd_epoch_slot_cnt( epoch_schedule, epoch );
69 0 : if( FD_UNLIKELY( slot_cnt>FD_RUNTIME_SLOTS_PER_EPOCH ) ) {
70 0 : FD_LOG_ERR(( "epoch %lu has %lu slots, but the maximum supported is %lu", epoch, slot_cnt, FD_RUNTIME_SLOTS_PER_EPOCH ));
71 0 : }
72 :
73 0 : fd_vote_stakes_t * vote_stakes = fd_bank_vote_stakes( bank );
74 0 : fd_vote_stake_weight_t * epoch_weights = runtime_stack->stakes.stake_weights;
75 0 : ulong stake_weight_cnt = fd_stake_weights_by_node( vote_stakes, bank->vote_stakes_fork_id, FD_VOTE_STAKES_ITER_T_1, epoch_weights );
76 0 : FD_TEST( stake_weight_cnt<=MAX_STAKE_WEIGHTS );
77 :
78 0 : void * epoch_leaders_mem = fd_bank_epoch_leaders_modify( bank, epoch );
79 0 : fd_epoch_leaders_t * leaders = fd_epoch_leaders_join( fd_epoch_leaders_new(
80 0 : epoch_leaders_mem,
81 0 : epoch,
82 0 : slot0,
83 0 : slot_cnt,
84 0 : stake_weight_cnt,
85 0 : epoch_weights,
86 0 : fd_epoch_leaders_use_geo_aware( &bank->f.features, &bank->f.epoch_schedule, epoch ) ) );
87 0 : if( FD_UNLIKELY( !leaders ) ) {
88 0 : FD_LOG_ERR(( "Unable to init and join fd_epoch_leaders" ));
89 0 : }
90 :
91 0 : memcpy( runtime_stack->epoch_weights.next_stake_weights, epoch_weights, stake_weight_cnt*sizeof(fd_vote_stake_weight_t) );
92 0 : runtime_stack->epoch_weights.next_stake_weights_cnt = stake_weight_cnt;
93 :
94 0 : ulong staked_cnt = compute_id_weights_from_vote_weights( runtime_stack->stakes.id_weights, epoch_weights, stake_weight_cnt );
95 0 : FD_TEST( staked_cnt<=MAX_STAKE_WEIGHTS );
96 0 : memcpy( runtime_stack->epoch_weights.next_id_weights, runtime_stack->stakes.id_weights, staked_cnt * sizeof(fd_stake_weight_t) );
97 0 : runtime_stack->epoch_weights.next_id_weights_cnt = staked_cnt;
98 0 : }
99 :
100 : void
101 : fd_runtime_update_leaders( fd_bank_t * bank,
102 318 : fd_runtime_stack_t * runtime_stack ) {
103 :
104 318 : fd_epoch_schedule_t const * epoch_schedule = &bank->f.epoch_schedule;
105 :
106 318 : ulong epoch = fd_slot_to_epoch ( epoch_schedule, bank->f.slot, NULL );
107 318 : ulong slot0 = fd_epoch_slot0 ( epoch_schedule, epoch );
108 318 : ulong slot_cnt = fd_epoch_slot_cnt( epoch_schedule, epoch );
109 318 : if( FD_UNLIKELY( slot_cnt>FD_RUNTIME_SLOTS_PER_EPOCH ) ) {
110 0 : FD_LOG_ERR(( "epoch %lu has %lu slots, but the maximum supported is %lu", epoch, slot_cnt, FD_RUNTIME_SLOTS_PER_EPOCH ));
111 0 : }
112 :
113 318 : fd_vote_stakes_t * vote_stakes = fd_bank_vote_stakes( bank );
114 318 : fd_vote_stake_weight_t * epoch_weights = runtime_stack->stakes.stake_weights;
115 318 : ulong stake_weight_cnt = fd_stake_weights_by_node( vote_stakes, bank->vote_stakes_fork_id, FD_VOTE_STAKES_ITER_T_2, epoch_weights );
116 318 : FD_TEST( stake_weight_cnt<=MAX_STAKE_WEIGHTS );
117 :
118 : /* TODO: Can optimize by avoiding recomputing if another fork has
119 : already computed them for this epoch. */
120 318 : void * epoch_leaders_mem = fd_bank_epoch_leaders_modify( bank, epoch );
121 318 : fd_epoch_leaders_t * leaders = fd_epoch_leaders_join( fd_epoch_leaders_new(
122 318 : epoch_leaders_mem,
123 318 : epoch,
124 318 : slot0,
125 318 : slot_cnt,
126 318 : stake_weight_cnt,
127 318 : epoch_weights,
128 318 : fd_epoch_leaders_use_geo_aware( &bank->f.features, &bank->f.epoch_schedule, epoch ) ) );
129 318 : if( FD_UNLIKELY( !leaders ) ) {
130 0 : FD_LOG_ERR(( "Unable to init and join fd_epoch_leaders" ));
131 0 : }
132 :
133 318 : memcpy( runtime_stack->epoch_weights.stake_weights, epoch_weights, stake_weight_cnt*sizeof(fd_vote_stake_weight_t) );
134 318 : runtime_stack->epoch_weights.stake_weights_cnt = stake_weight_cnt;
135 :
136 318 : ulong staked_cnt = compute_id_weights_from_vote_weights( runtime_stack->stakes.id_weights, epoch_weights, stake_weight_cnt );
137 318 : FD_TEST( staked_cnt<=MAX_STAKE_WEIGHTS );
138 318 : memcpy( runtime_stack->epoch_weights.id_weights, runtime_stack->stakes.id_weights, staked_cnt * sizeof(fd_stake_weight_t) );
139 318 : runtime_stack->epoch_weights.id_weights_cnt = staked_cnt;
140 318 : }
141 :
142 : /******************************************************************************/
143 : /* Various Private Runtime Helpers */
144 : /******************************************************************************/
145 :
146 : /* Validates the fee collector account before depositing fees. Returns
147 : 0 on success. Returns 1 (fee is burned) if the fee collector is not
148 : owned by the system program, the deposit overflows the collector's
149 : balance, or the rent state transition is invalid.
150 :
151 : https://github.com/anza-xyz/agave/blob/v4.2.0-beta.2/runtime/src/bank/fee_distribution.rs#L205-L229 */
152 : static int
153 : fd_runtime_validate_fee_collector( fd_bank_t const * bank,
154 : fd_acc_t const * collector,
155 27 : ulong fee ) {
156 27 : FD_TEST( fee );
157 :
158 : /* https://github.com/anza-xyz/agave/blob/v4.2.0-beta.0/runtime/src/bank/fee_distribution.rs#L206-L208 */
159 27 : if( FD_UNLIKELY( memcmp( collector->owner, fd_solana_system_program_id.uc, sizeof(fd_pubkey_t) ) ) ) return 1;
160 :
161 : /* Lamport overflow burns the fee.
162 : https://github.com/anza-xyz/agave/blob/v4.2.0-beta.2/runtime/src/bank/fee_distribution.rs#L210-L214 */
163 24 : ulong pre_balance = collector->lamports;
164 24 : ulong post_balance;
165 24 : if( FD_UNLIKELY( __builtin_uaddl_overflow( pre_balance, fee, &post_balance ) ) ) return 1;
166 :
167 21 : return !!fd_executor_check_static_account_rent_state_transition(
168 21 : pre_balance,
169 21 : post_balance,
170 21 : collector->data_len,
171 21 : &bank->f.rent,
172 21 : FD_FEATURE_ACTIVE_BANK( bank, relax_post_exec_min_balance_check )
173 21 : );
174 24 : }
175 :
176 : /* Validates an external SIMD-0232 block revenue collector after the
177 : fee reward has been added. Returns 0 to deposit, 1 to burn. The
178 : vote account itself is always valid and must not be passed here.
179 : https://github.com/anza-xyz/agave/blob/v4.2.0-beta.1/runtime/src/bank/fee_distribution.rs#L231-L270 */
180 :
181 : static int
182 : fd_runtime_validate_block_revenue_collector( fd_bank_t const * bank,
183 : fd_pubkey_t const * collector_id,
184 : ulong pre_lamports,
185 153 : fd_acc_t const * collector ) {
186 : /* Must be a system program owned account. */
187 153 : if( FD_UNLIKELY( memcmp( collector->owner, fd_solana_system_program_id.uc, sizeof(fd_pubkey_t) ) ) ) return 1;
188 :
189 : /* Must not be a reserved account. */
190 87 : if( FD_UNLIKELY( fd_pubkey_is_active_reserved_key( collector_id ) ||
191 87 : fd_pubkey_is_pending_reserved_key( collector_id ) ) ) return 1;
192 :
193 : /* The incinerator is exempt from the rent check so the deposit
194 : always works. Incinerator funds are burned at the end of the
195 : block. */
196 54 : if( FD_UNLIKELY( fd_pubkey_eq( collector_id, &fd_sysvar_incinerator_id ) ) ) return 0;
197 :
198 : /* Must be rent-exempt after the deposit. With
199 : relax_post_exec_min_balance_check (SIMD-0392) a pre-existing
200 : account may stay rent-paying. */
201 51 : int is_rent_exempt = collector->lamports>=fd_rent_exempt_minimum_balance( &bank->f.rent, collector->data_len );
202 51 : return !is_rent_exempt &&
203 51 : ( !FD_FEATURE_ACTIVE_BANK( bank, relax_post_exec_min_balance_check ) || !pre_lamports );
204 54 : }
205 :
206 : /* Deposits fees into the collector account.
207 : Returns 0 on deposit, 1 to burn.
208 : https://github.com/anza-xyz/agave/blob/v4.4.0-alpha.5/runtime/src/bank/fee_distribution.rs#L248 */
209 :
210 : static int
211 : fd_runtime_deposit_fees( fd_bank_t * bank,
212 : fd_accdb_t * accdb,
213 : fd_capture_ctx_t * capture_ctx,
214 : fd_pubkey_t const * collector_id,
215 : fd_pubkey_t const * leader_vote,
216 192 : ulong fees ) {
217 192 : uchar stake_history_data[ FD_SYSVAR_STAKE_HISTORY_BINCODE_SZ ];
218 192 : fd_stake_history_t stake_history_[1];
219 192 : fd_stake_history_t const * stake_history = fd_sysvar_stake_history_read( accdb, bank->accdb_fork_id, stake_history_data, stake_history_ );
220 :
221 192 : fd_accdb_svm_update_t update[1];
222 192 : fd_acc_t acc = fd_accdb_svm_open_rw( bank, accdb, update, collector_id, 1 );
223 192 : int burn;
224 192 : if( FD_FEATURE_ACTIVE_BANK( bank, custom_commission_collector ) ) {
225 : /* https://github.com/anza-xyz/agave/blob/v4.4.0-alpha.5/runtime/src/bank/fee_distribution.rs#L254-L267 */
226 165 : ulong pre_lamports = acc.lamports;
227 165 : burn = __builtin_uaddl_overflow( pre_lamports, fees, &acc.lamports );
228 : /* The vote account itself is always a valid collector. */
229 165 : if( !burn && !fd_pubkey_eq( collector_id, leader_vote ) ) {
230 153 : burn = fd_runtime_validate_block_revenue_collector( bank, collector_id, pre_lamports, &acc );
231 153 : }
232 165 : if( FD_UNLIKELY( burn ) ) acc.lamports = pre_lamports;
233 165 : } else {
234 : /* https://github.com/anza-xyz/agave/blob/v4.4.0-alpha.5/runtime/src/bank/fee_distribution.rs#L269-L291 */
235 27 : burn = fd_runtime_validate_fee_collector( bank, &acc, fees );
236 27 : if( FD_LIKELY( !burn ) ) {
237 9 : acc.lamports += fees; /* guaranteed to not overflow, checked above */
238 9 : }
239 27 : }
240 192 : if( FD_LIKELY( !burn ) ) fd_stakes_update_stake_delegation( collector_id, &acc, bank, stake_history, NULL );
241 192 : fd_accdb_svm_close_rw( bank, accdb, capture_ctx, &acc, update );
242 192 : return burn;
243 192 : }
244 :
245 : /* Deposits delegator fees into the leader's vote account and increments
246 : pending delegator rewards (SIMD-0123).
247 : Returns 0 on deposit, 1 to burn.
248 : https://github.com/anza-xyz/agave/blob/v4.4.0-alpha.5/runtime/src/bank/fee_distribution.rs#L303 */
249 :
250 : static int
251 : fd_runtime_deposit_delegator_fees( fd_bank_t * bank,
252 : fd_accdb_t * accdb,
253 : fd_capture_ctx_t * capture_ctx,
254 : fd_pubkey_t const * vote_address,
255 27 : ulong fees ) {
256 27 : fd_accdb_svm_update_t update[1];
257 27 : fd_acc_t acc = fd_accdb_svm_open_rw( bank, accdb, update, vote_address, 0 );
258 27 : if( FD_UNLIKELY( !acc.lamports ) ) return 1; /* open_rw released the handle */
259 :
260 27 : int burn = 0;
261 :
262 : /* Must be a vote account.
263 : https://github.com/anza-xyz/agave/blob/v4.4.0-alpha.5/runtime/src/bank/fee_distribution.rs#L312-L314 */
264 27 : if( memcmp( acc.owner, fd_solana_vote_program_id.uc, sizeof(fd_pubkey_t) ) ) burn = 1;
265 :
266 : /* Lamports must not overflow. Checked before the field update: the
267 : account is written back as is when the deposit burns.
268 : https://github.com/anza-xyz/agave/blob/v4.4.0-alpha.5/runtime/src/bank/fee_distribution.rs#L324-L326 */
269 27 : ulong pre_lamports = acc.lamports;
270 27 : if( !burn && __builtin_uaddl_overflow( pre_lamports, fees, &acc.lamports ) ) burn = 1;
271 :
272 : /* Must be a v4 state and pending_delegator_rewards must not overflow.
273 : https://github.com/anza-xyz/agave/blob/v4.4.0-alpha.5/runtime/src/bank/fee_distribution.rs#L316-L322 */
274 27 : if( !burn && fd_vote_account_add_pending_delegator_rewards( acc.data, acc.data_len, fees ) ) burn = 1;
275 :
276 27 : if( burn ) acc.lamports = pre_lamports;
277 27 : fd_accdb_svm_close_rw( bank, accdb, capture_ctx, &acc, update );
278 27 : return burn;
279 27 : }
280 :
281 : /* Deposits the fee reward with the leader's collector and, under
282 : SIMD-0123, the delegator share with the leader's vote account.
283 : Returns the lamports to burn.
284 : https://github.com/anza-xyz/agave/blob/v4.4.0-alpha.5/runtime/src/bank/fee_distribution.rs#L146 */
285 :
286 : static ulong
287 : fd_runtime_deposit_or_burn_fee( fd_bank_t * bank,
288 : fd_accdb_t * accdb,
289 : fd_capture_ctx_t * capture_ctx,
290 402 : ulong deposit ) {
291 402 : if( FD_UNLIKELY( !deposit ) ) return 0UL;
292 :
293 195 : fd_epoch_leaders_t const * leaders = fd_bank_epoch_leaders_query( bank, bank->f.epoch );
294 195 : fd_pubkey_t const * leader = fd_epoch_leaders_get( leaders, bank->f.slot );
295 195 : if( FD_UNLIKELY( !leader ) ) FD_LOG_CRIT(( "fd_epoch_leaders_get(%lu) returned NULL", bank->f.slot ));
296 :
297 : /* Per SIMD-0232, the fee reward goes to the leader's block revenue
298 : collector from the vote account state the leader schedule was
299 : derived from (the t-2 vote stakes set); default is the leader
300 : identity.
301 : https://github.com/anza-xyz/agave/blob/v4.4.0-alpha.5/runtime/src/bank/fee_distribution.rs#L151-L181 */
302 195 : int custom_commission_collector = FD_FEATURE_ACTIVE_BANK( bank, custom_commission_collector );
303 :
304 195 : fd_pubkey_t const * collector_id = leader;
305 195 : fd_pubkey_t const * leader_vote = NULL;
306 195 : ushort commission_bps = FD_VOTE_DEFAULT_BLOCK_REVENUE_COMMISSION_BPS;
307 195 : fd_vote_stakes_ele_t leader_ele[1];
308 195 : if( custom_commission_collector ) {
309 168 : leader_vote = fd_epoch_leaders_get_vote( leaders, bank->f.slot );
310 168 : if( FD_UNLIKELY( !leader_vote ) ) FD_LOG_CRIT(( "fd_epoch_leaders_get_vote(%lu) returned NULL", bank->f.slot ));
311 168 : if( FD_UNLIKELY( !fd_vote_stakes_query_t_2( fd_bank_vote_stakes( bank ), bank->vote_stakes_fork_id, leader_vote, leader_ele ) ) ) {
312 0 : FD_BASE58_ENCODE_32_BYTES( leader_vote->uc, leader_vote_b58 );
313 : /* https://github.com/anza-xyz/agave/blob/v4.4.0-alpha.5/runtime/src/bank/fee_distribution.rs#L167 */
314 0 : FD_LOG_CRIT(( "leader vote account %s is not in the epoch stakes at slot %lu", leader_vote_b58, bank->f.slot ));
315 0 : }
316 168 : commission_bps = leader_ele->block_revenue_commission_bps;
317 168 : collector_id = &leader_ele->block_collector;
318 168 : }
319 :
320 : /* https://github.com/anza-xyz/agave/blob/v4.4.0-alpha.5/runtime/src/bank/fee_distribution.rs#L183-L199 */
321 195 : ulong validator_fee = deposit;
322 195 : ulong delegator_fee = 0UL;
323 195 : if( FD_FEATURE_ACTIVE_BANK( bank, block_revenue_sharing ) ) {
324 33 : ulong clamped_commission_bps = fd_ulong_min( commission_bps, FD_VOTE_DEFAULT_BLOCK_REVENUE_COMMISSION_BPS );
325 33 : validator_fee = (ulong)( (uint128)deposit * (uint128)clamped_commission_bps / (uint128)FD_VOTE_DEFAULT_BLOCK_REVENUE_COMMISSION_BPS );
326 33 : delegator_fee = deposit - validator_fee;
327 33 : }
328 :
329 : /* https://github.com/anza-xyz/agave/blob/v4.4.0-alpha.5/runtime/src/bank/fee_distribution.rs#L201-L212 */
330 195 : ulong validator_fee_to_burn = 0UL;
331 195 : if( validator_fee && fd_runtime_deposit_fees( bank, accdb, capture_ctx, collector_id, leader_vote, validator_fee ) ) {
332 129 : FD_LOG_INFO(( "slot %lu has an invalid fee collector, burning fee reward (%lu lamports)", bank->f.slot, validator_fee ));
333 129 : validator_fee_to_burn = validator_fee;
334 129 : }
335 195 : ulong delegator_fee_to_burn = 0UL;
336 195 : if( delegator_fee && fd_runtime_deposit_delegator_fees( bank, accdb, capture_ctx, leader_vote, delegator_fee ) ) {
337 9 : FD_LOG_INFO(( "slot %lu has an invalid leader vote account, burning delegator fee reward (%lu lamports)", bank->f.slot, delegator_fee ));
338 9 : delegator_fee_to_burn = delegator_fee;
339 9 : }
340 195 : return validator_fee_to_burn + delegator_fee_to_burn;
341 195 : }
342 :
343 : /* fd_runtime_settle_fees settles transaction fees accumulated during a
344 : slot. A portion is burnt, another portion is credited to the fee
345 : collector (typically leader). */
346 :
347 : void
348 : fd_runtime_fee_split( ulong execution_fees,
349 : ulong priority_fees,
350 : ulong * burn,
351 402 : ulong * reward ) {
352 402 : *burn = execution_fees/2UL;
353 402 : *reward = fd_ulong_sat_add( priority_fees, execution_fees-*burn );
354 402 : }
355 :
356 : static void
357 : fd_runtime_settle_fees( fd_bank_t * bank,
358 : fd_accdb_t * accdb,
359 402 : fd_capture_ctx_t * capture_ctx ) {
360 402 : ulong slot = bank->f.slot;
361 402 : ulong execution_fees = bank->f.execution_fees;
362 402 : ulong priority_fees = bank->f.priority_fees;
363 402 : ulong total_fees;
364 402 : if( FD_UNLIKELY( __builtin_uaddl_overflow( execution_fees, priority_fees, &total_fees ) ) ) {
365 0 : FD_LOG_EMERG(( "fee overflow detected (slot=%lu execution_fees=%lu priority_fees=%lu)",
366 0 : slot, execution_fees, priority_fees ));
367 0 : }
368 :
369 402 : ulong fee_burn, fee_reward;
370 402 : fd_runtime_fee_split( execution_fees, priority_fees, &fee_burn, &fee_reward );
371 :
372 : /* Remove fee balance from bank (decreasing capitalization).
373 : Allow underflow (wrap) to match Agave's silent fetch_sub behavior. */
374 402 : bank->f.capitalization -= total_fees;
375 402 : bank->f.execution_fees = 0;
376 402 : bank->f.priority_fees = 0;
377 :
378 402 : ulong fee_reward_burn = fd_runtime_deposit_or_burn_fee( bank, accdb, capture_ctx, fee_reward );
379 :
380 402 : FD_LOG_INFO(( "slot=%lu priority_fees=%lu execution_fees=%lu fee_burn=%lu fee_rewards=%lu fee_reward_burn=%lu",
381 402 : slot,
382 402 : priority_fees, execution_fees, fee_burn, fee_reward, fee_reward_burn ));
383 402 : }
384 :
385 : void
386 : fd_runtime_freeze_sysvars( fd_bank_t * bank,
387 : fd_accdb_t * accdb,
388 402 : fd_capture_ctx_t * capture_ctx ) {
389 402 : if( FD_LIKELY( bank->f.slot ) ) fd_sysvar_recent_hashes_update( bank, accdb, capture_ctx );
390 402 : fd_sysvar_slot_history_update( bank, accdb, capture_ctx );
391 402 : }
392 :
393 : void
394 : fd_runtime_freeze_fees( fd_bank_t * bank,
395 : fd_accdb_t * accdb,
396 402 : fd_capture_ctx_t * capture_ctx ) {
397 402 : fd_runtime_settle_fees( bank, accdb, capture_ctx );
398 :
399 : /* jito collects a 3% fee at the end of the block + 3% fee at
400 : distribution time. */
401 402 : ulong tips_pre_comission = bank->f.tips;
402 402 : bank->f.tips = (tips_pre_comission - (tips_pre_comission * 6UL / 100UL));
403 :
404 402 : fd_accdb_svm_remove( bank, accdb, capture_ctx, &fd_sysvar_incinerator_id );
405 402 : }
406 :
407 : /******************************************************************************/
408 : /* Block-Level Execution Preparation/Finalization */
409 : /******************************************************************************/
410 : void
411 : fd_runtime_new_fee_rate_governor_derived( fd_bank_t * bank,
412 7548 : ulong latest_signatures_per_slot ) {
413 :
414 7548 : fd_fee_rate_governor_t const * base_fee_rate_governor = &bank->f.fee_rate_governor;
415 :
416 7548 : ulong old_lamports_per_signature = bank->f.rbh_lamports_per_sig;
417 :
418 7548 : fd_fee_rate_governor_t me = {
419 7548 : .target_signatures_per_slot = base_fee_rate_governor->target_signatures_per_slot,
420 7548 : .target_lamports_per_signature = base_fee_rate_governor->target_lamports_per_signature,
421 7548 : .max_lamports_per_signature = base_fee_rate_governor->max_lamports_per_signature,
422 7548 : .min_lamports_per_signature = base_fee_rate_governor->min_lamports_per_signature,
423 7548 : .burn_percent = base_fee_rate_governor->burn_percent
424 7548 : };
425 :
426 7548 : ulong new_lamports_per_signature = 0;
427 7548 : if( me.target_signatures_per_slot > 0 ) {
428 6 : me.min_lamports_per_signature = fd_ulong_max( 1UL, (ulong)(me.target_lamports_per_signature / 2) );
429 6 : me.max_lamports_per_signature = me.target_lamports_per_signature * 10;
430 6 : ulong desired_lamports_per_signature = fd_ulong_min(
431 6 : me.max_lamports_per_signature,
432 6 : fd_ulong_max(
433 6 : me.min_lamports_per_signature,
434 6 : me.target_lamports_per_signature
435 6 : * fd_ulong_min(latest_signatures_per_slot, (ulong)UINT_MAX)
436 6 : / me.target_signatures_per_slot
437 6 : )
438 6 : );
439 6 : long gap = (long)desired_lamports_per_signature - (long)old_lamports_per_signature;
440 6 : if ( gap == 0 ) {
441 0 : new_lamports_per_signature = desired_lamports_per_signature;
442 6 : } else {
443 6 : long gap_adjust = (long)(fd_ulong_max( 1UL, (ulong)(me.target_lamports_per_signature / 20) ))
444 6 : * (gap != 0)
445 6 : * (gap > 0 ? 1 : -1);
446 6 : new_lamports_per_signature = fd_ulong_min(
447 6 : me.max_lamports_per_signature,
448 6 : fd_ulong_max(
449 6 : me.min_lamports_per_signature,
450 6 : (ulong)((long)old_lamports_per_signature + gap_adjust)
451 6 : )
452 6 : );
453 6 : }
454 7542 : } else {
455 7542 : new_lamports_per_signature = base_fee_rate_governor->target_lamports_per_signature;
456 7542 : me.min_lamports_per_signature = me.target_lamports_per_signature;
457 7542 : me.max_lamports_per_signature = me.target_lamports_per_signature;
458 7542 : }
459 7548 : bank->f.fee_rate_governor = me;
460 7548 : bank->f.rbh_lamports_per_sig = new_lamports_per_signature;
461 7548 : }
462 :
463 : /******************************************************************************/
464 : /* Epoch Boundary */
465 : /******************************************************************************/
466 :
467 : /* https://github.com/anza-xyz/agave/blob/v2.1.0/runtime/src/bank.rs#L6704 */
468 : static void
469 : fd_apply_builtin_program_feature_transitions( fd_bank_t * bank,
470 : fd_accdb_t * accdb,
471 : fd_runtime_stack_t * runtime_stack,
472 318 : fd_capture_ctx_t * capture_ctx ) {
473 : /* TODO: Set the upgrade authority properly from the core bpf migration config. Right now it's set to None.
474 :
475 : Migrate any necessary stateless builtins to core BPF. So far,
476 : the only "stateless" builtin is the Feature program. Beginning
477 : checks in the migrate_builtin_to_core_bpf function will fail if the
478 : program has already been migrated to BPF. */
479 :
480 318 : fd_builtin_program_t const * builtins = fd_builtins();
481 3180 : for( ulong i=0UL; i<fd_num_builtins(); i++ ) {
482 : /* https://github.com/anza-xyz/agave/blob/v2.1.0/runtime/src/bank.rs#L6732-L6751 */
483 2862 : 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 ) ) {
484 0 : FD_BASE58_ENCODE_32_BYTES( builtins[i].pubkey->key, pubkey_b58 );
485 0 : FD_LOG_DEBUG(( "Migrating builtin program %s to core BPF", pubkey_b58 ));
486 0 : fd_migrate_builtin_to_core_bpf( bank, accdb, runtime_stack, builtins[i].core_bpf_migration_config, capture_ctx );
487 0 : }
488 : /* https://github.com/anza-xyz/agave/blob/v2.1.0/runtime/src/bank.rs#L6753-L6774 */
489 2862 : if( builtins[i].enable_feature_offset!=NO_ENABLE_FEATURE_ID && FD_FEATURE_JUST_ACTIVATED_OFFSET( bank, builtins[i].enable_feature_offset ) ) {
490 0 : FD_BASE58_ENCODE_32_BYTES( builtins[i].pubkey->key, pubkey_b58 );
491 0 : FD_LOG_DEBUG(( "Enabling builtin program %s", pubkey_b58 ));
492 0 : fd_write_builtin_account( bank, accdb, capture_ctx, *builtins[i].pubkey, builtins[i].data,strlen(builtins[i].data) );
493 0 : }
494 2862 : }
495 :
496 : /* https://github.com/anza-xyz/agave/blob/v2.1.0/runtime/src/bank.rs#L6776-L6793 */
497 318 : fd_stateless_builtin_program_t const * stateless_builtins = fd_stateless_builtins();
498 954 : for( ulong i=0UL; i<fd_num_stateless_builtins(); i++ ) {
499 636 : 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 ) ) {
500 0 : FD_BASE58_ENCODE_32_BYTES( stateless_builtins[i].pubkey->key, pubkey_b58 );
501 0 : FD_LOG_DEBUG(( "Migrating stateless builtin program %s to core BPF", pubkey_b58 ));
502 0 : fd_migrate_builtin_to_core_bpf( bank, accdb, runtime_stack, stateless_builtins[i].core_bpf_migration_config, capture_ctx );
503 0 : }
504 636 : }
505 :
506 : /* https://github.com/anza-xyz/agave/blob/c1080de464cfb578c301e975f498964b5d5313db/runtime/src/bank.rs#L6795-L6805 */
507 1272 : for( fd_precompile_program_t const * precompiles = fd_precompiles(); precompiles->verify_fn; precompiles++ ) {
508 954 : if( precompiles->feature_offset != NO_ENABLE_FEATURE_ID &&
509 954 : FD_FEATURE_JUST_ACTIVATED_OFFSET( bank, precompiles->feature_offset ) ) {
510 0 : fd_write_builtin_account( bank, accdb, capture_ctx, *precompiles->pubkey, "", 0 );
511 0 : }
512 954 : }
513 318 : }
514 :
515 : static void
516 : fd_feature_activate( fd_bank_t * bank,
517 : fd_accdb_t * accdb,
518 : fd_capture_ctx_t * capture_ctx,
519 : fd_feature_id_t const * id,
520 98580 : fd_pubkey_t const * addr ) {
521 98580 : fd_features_set( &bank->f.features, id, FD_FEATURE_DISABLED );
522 :
523 98580 : if( FD_UNLIKELY( id->reverted==1 ) ) return;
524 :
525 92856 : fd_acc_t acc = fd_accdb_read_one( accdb, bank->accdb_fork_id, addr->uc );
526 92856 : if( FD_UNLIKELY( !acc.lamports || memcmp( acc.owner, fd_solana_feature_program_id.uc, 32UL ) ) ) {
527 92562 : fd_accdb_unread_one( accdb, &acc ); /* Feature account not yet initialized */
528 92562 : return;
529 92562 : }
530 :
531 294 : fd_feature_t feature;
532 294 : if( FD_UNLIKELY( !fd_feature_decode( &feature, acc.data, acc.data_len ) ) ) {
533 3 : FD_BASE58_ENCODE_32_BYTES( addr->uc, addr_b58 );
534 3 : FD_LOG_WARNING(( "cannot activate feature %s, corrupt account data", addr_b58 ));
535 3 : FD_LOG_HEXDUMP_NOTICE(( "corrupt feature account", acc.data, acc.data_len ));
536 3 : fd_accdb_unread_one( accdb, &acc );
537 3 : return;
538 3 : }
539 291 : fd_accdb_unread_one( accdb, &acc );
540 :
541 291 : FD_BASE58_ENCODE_32_BYTES( addr->uc, addr_b58 );
542 291 : if( FD_UNLIKELY( feature.is_active ) ) {
543 246 : FD_LOG_DEBUG(( "feature %s already activated at slot %lu", addr_b58, feature.activation_slot ));
544 246 : fd_features_set( &bank->f.features, id, feature.activation_slot);
545 246 : } else {
546 45 : FD_LOG_DEBUG(( "feature %s not activated at slot %lu, activating", addr_b58, bank->f.slot ));
547 45 : fd_accdb_svm_update_t update[1];
548 45 : fd_acc_t acc = fd_accdb_svm_open_rw( bank, accdb, update, addr, 0 );
549 45 : if( FD_UNLIKELY( !acc.lamports ) ) return;
550 45 : FD_TEST( acc.data_len>=sizeof(fd_feature_t) );
551 :
552 45 : feature.is_active = 1;
553 45 : feature.activation_slot = bank->f.slot;
554 45 : FD_STORE( fd_feature_t, acc.data, feature );
555 45 : fd_accdb_svm_close_rw( bank, accdb, capture_ctx, &acc, update );
556 45 : if( FD_UNLIKELY( fd_bank_report_runtime_diffs( bank ) ) ) fd_event_runtime_epoch_feature( addr->uc );
557 45 : }
558 291 : }
559 :
560 : static void
561 : fd_features_activate( fd_bank_t * bank,
562 : fd_accdb_t * accdb,
563 318 : fd_capture_ctx_t * capture_ctx ) {
564 318 : for( fd_feature_id_t const * id = fd_feature_iter_init();
565 98898 : !fd_feature_iter_done( id );
566 98580 : id = fd_feature_iter_next( id ) ) {
567 98580 : fd_feature_activate( bank, accdb, capture_ctx, id, &id->id );
568 98580 : }
569 318 : }
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 : static void
574 : deprecate_rent_exemption_threshold( fd_bank_t * bank,
575 : fd_accdb_t * accdb,
576 0 : fd_capture_ctx_t * capture_ctx ) {
577 : /* We use the bank fields here to mirror Agave - in mainnet, devnet
578 : and testnet Agave's bank rent.burn_percent field is different to
579 : the value in the sysvar. When this feature is activated in Agave,
580 : the sysvar inherits the value from the bank. */
581 0 : fd_rent_t rent = bank->f.rent;
582 0 : rent.lamports_per_uint8_year = fd_rust_cast_double_to_ulong(
583 0 : (double)rent.lamports_per_uint8_year * rent.exemption_threshold );
584 0 : rent.exemption_threshold = FD_SIMD_0194_NEW_RENT_EXEMPTION_THRESHOLD;
585 0 : rent.burn_percent = FD_SIMD_0194_NEW_BURN_PERCENT;
586 :
587 0 : bank->f.rent = rent;
588 0 : fd_sysvar_rent_write( bank, accdb, capture_ctx, &rent );
589 0 : }
590 :
591 : static void
592 : set_lamports_per_byte( fd_bank_t * bank,
593 : fd_accdb_t * accdb,
594 : fd_capture_ctx_t * capture_ctx,
595 36 : ulong lamports_per_byte ) {
596 36 : fd_rent_t rent = bank->f.rent;
597 36 : rent.lamports_per_uint8_year = lamports_per_byte;
598 :
599 36 : bank->f.rent = rent;
600 36 : fd_sysvar_rent_write( bank, accdb, capture_ctx, &rent );
601 36 : }
602 :
603 : // https://github.com/anza-xyz/agave/blob/v3.1.4/runtime/src/bank.rs#L5296-L5391
604 : static void
605 : fd_compute_and_apply_new_feature_activations( fd_bank_t * bank,
606 : fd_accdb_t * accdb,
607 : fd_runtime_stack_t * runtime_stack,
608 318 : fd_capture_ctx_t * capture_ctx ) {
609 : /* Activate new features
610 : https://github.com/anza-xyz/agave/blob/v3.1.4/runtime/src/bank.rs#L5296-L5391 */
611 318 : fd_features_activate( bank, accdb, capture_ctx );
612 318 : fd_features_restore( &bank->f.features, accdb, bank->accdb_fork_id, bank->f.slot, &bank->f.epoch_schedule );
613 :
614 : /* SIMD-0194: deprecate_rent_exemption_threshold
615 : https://github.com/anza-xyz/agave/blob/v3.1.4/runtime/src/bank.rs#L5322-L5329 */
616 318 : if( FD_UNLIKELY( FD_FEATURE_JUST_ACTIVATED_BANK( bank, deprecate_rent_exemption_threshold ) ) ) {
617 0 : deprecate_rent_exemption_threshold( bank, accdb, capture_ctx );
618 0 : }
619 :
620 : /* SIMD-0437 rent reduction gates.
621 : https://github.com/anza-xyz/agave/blob/v4.1.0-beta.1/runtime/src/bank.rs#L5612-L5639 */
622 318 : if( FD_UNLIKELY( FD_FEATURE_JUST_ACTIVATED_BANK( bank, set_lamports_per_byte_to_6333 ) ) ) {
623 6 : set_lamports_per_byte( bank, accdb, capture_ctx, 6333UL );
624 6 : }
625 318 : if( FD_UNLIKELY( FD_FEATURE_JUST_ACTIVATED_BANK( bank, set_lamports_per_byte_to_5080 ) ) ) {
626 6 : set_lamports_per_byte( bank, accdb, capture_ctx, 5080UL );
627 6 : }
628 318 : if( FD_UNLIKELY( FD_FEATURE_JUST_ACTIVATED_BANK( bank, set_lamports_per_byte_to_2575 ) ) ) {
629 6 : set_lamports_per_byte( bank, accdb, capture_ctx, 2575UL );
630 6 : }
631 318 : if( FD_UNLIKELY( FD_FEATURE_JUST_ACTIVATED_BANK( bank, set_lamports_per_byte_to_1322 ) ) ) {
632 6 : set_lamports_per_byte( bank, accdb, capture_ctx, 1322UL );
633 6 : }
634 318 : if( FD_UNLIKELY( FD_FEATURE_JUST_ACTIVATED_BANK( bank, set_lamports_per_byte_to_696 ) ) ) {
635 6 : set_lamports_per_byte( bank, accdb, capture_ctx, 696UL );
636 6 : }
637 :
638 : /* SIMD-0438 resets rent to the legacy value (in case something goes
639 : wrong with the above).
640 : https://github.com/anza-xyz/agave/blob/v4.1.0-beta.1/runtime/src/bank.rs#L5641-L5644 */
641 318 : if( FD_UNLIKELY( FD_FEATURE_JUST_ACTIVATED_BANK( bank, set_lamports_per_byte_to_6960 ) ) ) {
642 6 : set_lamports_per_byte( bank, accdb, capture_ctx, 6960UL );
643 6 : }
644 :
645 : /* https://github.com/anza-xyz/agave/blob/9bcf93e368b5fb52c21677ed8c7f0360eb93b5b7/runtime/src/bank.rs#L6366-L6368 */
646 318 : if( FD_UNLIKELY( FD_FEATURE_JUST_ACTIVATED_BANK( bank, remove_runtime_float_ops ) ) ) {
647 0 : fd_apply_integer_inflation_initial_rate( bank );
648 0 : }
649 :
650 : /* SIMD-0550: double_disinflation_rate
651 : https://github.com/anza-xyz/agave/blob/v4.3.0-beta.0/runtime/src/bank.rs#L6232-L6234 */
652 318 : if( FD_UNLIKELY( FD_FEATURE_JUST_ACTIVATED_BANK( bank, double_disinflation_rate ) ) ) {
653 0 : fd_apply_double_disinflation_rate( bank );
654 0 : }
655 :
656 : /* Apply builtin program feature transitions
657 : https://github.com/anza-xyz/agave/blob/v2.1.0/runtime/src/bank.rs#L6621-L6624 */
658 318 : fd_apply_builtin_program_feature_transitions( bank, accdb, runtime_stack, capture_ctx );
659 :
660 318 : if( FD_UNLIKELY( FD_FEATURE_JUST_ACTIVATED_BANK( bank, validator_location_registration ) ) ) {
661 : /* TODO: upgrade the stake program to support vote state v5 */
662 0 : }
663 :
664 : /* https://github.com/anza-xyz/agave/blob/8da849e919e0762f6bfc9ca17ac2339c7a003a0e/runtime/src/bank.rs#L6389-L6402 */
665 318 : if( FD_UNLIKELY( FD_FEATURE_JUST_ACTIVATED_BANK( bank, replace_ata_with_p_ata ) ) ) {
666 0 : fd_upgrade_loader_v2_program_with_loader_v3_program(
667 0 : bank,
668 0 : accdb,
669 0 : runtime_stack,
670 0 : &fd_solana_spl_associated_token_account_id,
671 0 : &fd_solana_pata_program_buffer_address,
672 0 : &fd_solana_pata_program_verified_build_hash,
673 0 : 1,
674 0 : capture_ctx );
675 0 : }
676 318 : }
677 :
678 : /* Starting a new epoch.
679 : New epoch: T
680 : Just ended epoch: T-1
681 : Epoch before: T-2
682 :
683 : In this function:
684 : - stakes in T-2 (vote_states_prev_prev) should be replaced by T-1 (vote_states_prev)
685 : - stakes at T-1 (vote_states_prev) should be replaced by updated stakes at T (vote_states)
686 : - leader schedule should be calculated using new T-2 stakes (vote_states_prev_prev)
687 :
688 : Invariant during an epoch T:
689 : vote_states_prev holds the stakes at T-1
690 : vote_states_prev_prev holds the stakes at T-2
691 : */
692 : /* process for the start of a new epoch
693 : https://github.com/anza-xyz/agave/blob/v4.3.0-beta.0/runtime/src/bank.rs#L1811-L1899 */
694 : static void
695 : fd_runtime_process_new_epoch( fd_bank_t * bank,
696 : fd_accdb_t * accdb,
697 : fd_capture_ctx_t * capture_ctx,
698 : ulong parent_epoch,
699 318 : fd_runtime_stack_t * runtime_stack ) {
700 318 : long start = fd_log_wallclock();
701 318 : ulong epoch_start_capitalization = bank->f.capitalization;
702 :
703 318 : fd_compute_and_apply_new_feature_activations( bank, accdb, runtime_stack, capture_ctx );
704 :
705 318 : bank->f.slot_params = fd_slot_params_at_slot( bank, bank->f.slot );
706 :
707 : /* Update the cached warmup/cooldown rate epoch now that features may
708 : have changed (reduce_stake_warmup_cooldown may have just activated). */
709 318 : bank->f.warmup_cooldown_rate_epoch = fd_slot_to_epoch( &bank->f.epoch_schedule,
710 318 : bank->f.features.reduce_stake_warmup_cooldown,
711 318 : NULL );
712 :
713 : /* Updates stake history sysvar accumulated values and recomputes
714 : stake delegations for vote accounts. */
715 :
716 318 : uchar stake_delegations_history_data[ FD_SYSVAR_STAKE_HISTORY_BINCODE_SZ ];
717 318 : fd_stake_history_t stake_delegations_history_[1];
718 318 : fd_stake_history_t * stake_delegations_history = fd_sysvar_stake_history_read( accdb, bank->accdb_fork_id, stake_delegations_history_data, stake_delegations_history_ );
719 :
720 318 : fd_stake_delegations_t * stake_delegations = fd_bank_stake_delegations_modify( bank );
721 318 : if( FD_UNLIKELY( !stake_delegations ) ) {
722 0 : FD_LOG_CRIT(( "stake_delegations is NULL" ));
723 0 : }
724 318 : fd_stake_delegations_view_begin( stake_delegations,
725 318 : bank->f.epoch,
726 318 : stake_delegations_history,
727 318 : &bank->f.warmup_cooldown_rate_epoch,
728 318 : FD_FEATURE_ACTIVE_BANK( bank, upgrade_bpf_stake_program_to_v5_1 ),
729 318 : bank->stake_delegations_fork_id );
730 :
731 : /* Wipe WARMED tags awarded under the old floating point math when the
732 : fixed point math activates. This will force all the effective
733 : stakes to be re-computed using the post-activation math.
734 : Unfortunately, one wipe at the activation boundary is not enough.
735 : The consensus root lags the replay frontier. So
736 : post-activation/post-boundary, when the unrooted pre-activation
737 : blocks root and their deltas are applied into the root, their
738 : pre-activation tags will also leak into the root pool. So the
739 : award sites record whether any live WARMED tag might have been
740 : computed with the pre-activation floating point math, and we wipe
741 : whenever that is the case. We expect the invalidation to fire
742 : exactly twice: at the activation boundary and at the first boundary
743 : after it, unless some extremely sparse epochs happen after
744 : activation. Tags are only used at boundaries for now, and this
745 : runs before any use. */
746 318 : if( FD_UNLIKELY( FD_FEATURE_ACTIVE_BANK( bank, upgrade_bpf_stake_program_to_v5_1 ) ) ) {
747 318 : fd_stake_delegations_invalidate_warmed( stake_delegations );
748 318 : }
749 :
750 318 : fd_stakes_activate_epoch( bank, runtime_stack, accdb, capture_ctx, stake_delegations,
751 318 : &bank->f.warmup_cooldown_rate_epoch );
752 :
753 : /* Distribute rewards. This involves calculating the rewards for
754 : every vote and stake account. */
755 :
756 318 : fd_hash_t const * parent_blockhash = fd_blockhashes_peek_last_hash( &bank->f.block_hash_queue );
757 318 : fd_begin_partitioned_rewards( bank,
758 318 : accdb,
759 318 : runtime_stack,
760 318 : capture_ctx,
761 318 : stake_delegations,
762 318 : parent_blockhash,
763 318 : parent_epoch,
764 318 : epoch_start_capitalization );
765 :
766 : /* Update stake history balance and capitalization only after epoch
767 : reward partitions have been calculated. */
768 318 : fd_stake_history_ensure_rent_exempt( bank, accdb, capture_ctx );
769 :
770 318 : fd_stake_delegations_view_end( stake_delegations,
771 318 : stake_delegations_history,
772 318 : &bank->f.warmup_cooldown_rate_epoch,
773 318 : FD_FEATURE_ACTIVE_BANK( bank, upgrade_bpf_stake_program_to_v5_1 ) );
774 :
775 : /* The Agave client handles updating their stakes cache with a call to
776 : update_epoch_stakes() which keys stakes by the leader schedule
777 : epochs and retains up to 6 epochs of stakes. However, to correctly
778 : calculate the leader schedule, we just need to maintain the vote
779 : states for the current epoch, the previous epoch, and the one
780 : before that.
781 : https://github.com/anza-xyz/agave/blob/v3.0.4/runtime/src/bank.rs#L2175
782 : */
783 :
784 : /* Now that our stakes caches have been updated, we can calculate the
785 : leader schedule for the upcoming epoch epoch using our new
786 : vote_states_prev_prev (stakes for T-2). */
787 :
788 318 : fd_runtime_update_leaders( bank, runtime_stack );
789 :
790 318 : if( FD_UNLIKELY( fd_bank_report_runtime_diffs( bank ) ) ) fd_event_runtime_epoch_emit( bank );
791 :
792 318 : long end = fd_log_wallclock();
793 318 : FD_LOG_NOTICE(( "starting epoch %s%lu%s at slot %lu %s(took %.6f seconds)%s", fd_log_style_bold(), bank->f.epoch, fd_log_style_normal(), bank->f.slot, fd_log_style_dim(), (double)(end - start) / 1e9, fd_log_style_normal() ));
794 318 : }
795 :
796 : static void
797 : fd_runtime_block_pre_execute_process_new_epoch( fd_bank_t * bank,
798 : fd_accdb_t * accdb,
799 : fd_capture_ctx_t * capture_ctx,
800 : fd_runtime_stack_t * runtime_stack,
801 7548 : int * is_epoch_boundary ) {
802 :
803 7548 : ulong const slot = bank->f.slot;
804 7548 : if( FD_LIKELY( slot != 0UL ) ) {
805 7548 : fd_epoch_schedule_t const * epoch_schedule = &bank->f.epoch_schedule;
806 :
807 7548 : ulong prev_epoch = fd_slot_to_epoch( epoch_schedule, bank->f.parent_slot, NULL );
808 7548 : ulong slot_idx;
809 7548 : ulong new_epoch = fd_slot_to_epoch( epoch_schedule, slot, &slot_idx );
810 7548 : if( FD_UNLIKELY( slot_idx==1UL && new_epoch==0UL ) ) {
811 : /* The block after genesis has a height of 1. */
812 0 : bank->f.block_height = 1UL;
813 0 : }
814 :
815 7548 : if( FD_UNLIKELY( prev_epoch<new_epoch || !slot_idx ) ) {
816 318 : FD_LOG_DEBUG(( "Epoch boundary starting" ));
817 318 : fd_runtime_process_new_epoch( bank, accdb, capture_ctx, prev_epoch, runtime_stack );
818 318 : *is_epoch_boundary = 1;
819 7230 : } else {
820 7230 : *is_epoch_boundary = 0;
821 7230 : }
822 :
823 7548 : fd_distribute_partitioned_epoch_rewards( bank, accdb, runtime_stack, capture_ctx );
824 7548 : } else {
825 0 : *is_epoch_boundary = 0;
826 0 : }
827 7548 : }
828 :
829 :
830 : static void
831 : fd_runtime_block_sysvar_update_pre_execute( fd_bank_t * bank,
832 : fd_accdb_t * accdb,
833 7548 : fd_capture_ctx_t * capture_ctx ) {
834 : // let (fee_rate_governor, fee_components_time_us) = measure_us!(
835 : // FeeRateGovernor::new_derived(&parent.fee_rate_governor, parent.signature_count())
836 : // );
837 : /* https://github.com/firedancer-io/solana/blob/dab3da8e7b667d7527565bddbdbecf7ec1fb868e/runtime/src/bank.rs#L1312-L1314 */
838 :
839 7548 : fd_runtime_new_fee_rate_governor_derived( bank, bank->f.parent_signature_cnt );
840 :
841 7548 : fd_sysvar_clock_update_slot( bank, accdb, capture_ctx );
842 :
843 : // It has to go into the current txn previous info but is not in slot 0
844 7548 : if( bank->f.slot != 0 ) {
845 7548 : fd_sysvar_slot_hashes_update( bank, accdb, capture_ctx );
846 7548 : }
847 7548 : fd_sysvar_last_restart_slot_update( bank, accdb, capture_ctx );
848 7548 : }
849 :
850 : int
851 : fd_runtime_load_txn_address_lookup_tables( fd_txn_t const * txn,
852 : uchar const * payload,
853 : fd_accdb_t * accdb,
854 : fd_accdb_fork_id_t fork_id,
855 : ulong slot,
856 : fd_slot_hashes_t const * hashes,
857 387 : fd_acct_addr_t * out_accts_alt ) {
858 :
859 387 : if( FD_LIKELY( txn->transaction_version!=FD_TXN_V0 ) ) return FD_RUNTIME_EXECUTE_SUCCESS;
860 :
861 384 : fd_alut_interp_t interp[1];
862 384 : fd_alut_interp_new( interp, out_accts_alt, txn, payload, hashes, slot );
863 :
864 384 : fd_txn_acct_addr_lut_t const * addr_luts = fd_txn_get_address_tables_const( txn );
865 486 : for( ulong i=0UL; i<txn->addr_table_lookup_cnt; i++ ) {
866 153 : fd_txn_acct_addr_lut_t const * addr_lut = &addr_luts[i];
867 153 : fd_pubkey_t addr_lut_acc = FD_LOAD( fd_pubkey_t, payload+addr_lut->addr_off );
868 :
869 : /* Preserve not-found and owner error precedence without acquiring
870 : or reading an oversized account's data. */
871 153 : uchar owner[32];
872 153 : ulong data_len;
873 153 : if( FD_UNLIKELY( !fd_accdb_read_one_meta( accdb, fork_id, addr_lut_acc.uc, owner, &data_len ) ) ) {
874 6 : return FD_RUNTIME_TXN_ERR_ADDRESS_LOOKUP_TABLE_NOT_FOUND;
875 6 : }
876 147 : if( FD_UNLIKELY( !fd_memeq( owner, fd_solana_address_lookup_table_program_id.key, sizeof(fd_pubkey_t) ) ) ) {
877 9 : return FD_RUNTIME_TXN_ERR_INVALID_ADDRESS_LOOKUP_TABLE_OWNER;
878 9 : }
879 138 : if( FD_UNLIKELY( data_len>FD_LOOKUP_TABLE_SZ_MAX ) ) {
880 3 : return FD_RUNTIME_TXN_ERR_INVALID_ADDRESS_LOOKUP_TABLE_DATA;
881 3 : }
882 :
883 135 : fd_acc_t acc = fd_accdb_read_one( accdb, fork_id, addr_lut_acc.uc );
884 135 : if( FD_UNLIKELY( !acc.lamports ) ) {
885 0 : fd_accdb_unread_one( accdb, &acc );
886 0 : return FD_RUNTIME_TXN_ERR_ADDRESS_LOOKUP_TABLE_NOT_FOUND;
887 0 : }
888 135 : int err = fd_alut_interp_next( interp, &addr_lut_acc, acc.owner, acc.data, acc.data_len );
889 135 : fd_accdb_unread_one( accdb, &acc );
890 135 : if( FD_UNLIKELY( err ) ) return err;
891 135 : }
892 :
893 333 : return FD_RUNTIME_EXECUTE_SUCCESS;
894 384 : }
895 :
896 : /* Pre-populate the bank's in-memory feature set with upcoming feature
897 : activations. If the current slot is the last slot before an epoch
898 : boundary, scan all known feature accounts. Otherwise, returns early.
899 :
900 : For any feature that is pending (not yet activated on-chain) but has
901 : an account owned by the feature program, set the in-memory activation
902 : slot within the bank's featureset to the first slot of the next
903 : epoch. This is needed so that deployment verification (which uses
904 : slot+1) can detect features that will activate at the next epoch
905 : boundary.
906 :
907 : In Agave, program deployments use the feature set from the next
908 : slot via DELAY_VISIBILITY_SLOT_OFFSET. The runtime environments
909 : for deployment are selected based on epoch_of(slot+1):
910 : https://github.com/anza-xyz/agave/blob/v3.1.8/runtime/src/bank.rs#L3280-L3295
911 : https://github.com/anza-xyz/agave/blob/v3.1.8/svm/src/transaction_processor.rs#L339-L345
912 :
913 : This function does NOT write to feature accounts or update the
914 : lthash. It only modifies the bank's in-memory feature set. */
915 : static void
916 : fd_features_prepopulate_upcoming( fd_bank_t * bank,
917 7548 : fd_accdb_t * accdb ) {
918 7548 : ulong slot = bank->f.slot;
919 7548 : fd_epoch_schedule_t const * epoch_schedule = &bank->f.epoch_schedule;
920 7548 : ulong curr_epoch = fd_slot_to_epoch( epoch_schedule, slot, NULL );
921 7548 : ulong next_epoch = fd_slot_to_epoch( epoch_schedule, slot+1UL, NULL );
922 7548 : if( FD_LIKELY( curr_epoch==next_epoch ) ) return;
923 :
924 279 : fd_features_restore( &bank->f.features, accdb, bank->accdb_fork_id, slot, epoch_schedule );
925 279 : }
926 :
927 : void
928 : fd_runtime_block_execute_prepare( fd_banks_t * banks,
929 : fd_bank_t * bank,
930 : fd_accdb_t * accdb,
931 : fd_runtime_stack_t * runtime_stack,
932 : fd_capture_ctx_t * capture_ctx,
933 7548 : int * is_epoch_boundary ) {
934 : /* Cache the Alpenglow migration slot inside the bank so that we can
935 : read it inside transaction execution. */
936 7548 : bank->f.alpenglow_migration_slot = fd_alpenglow_migration_slot( bank, accdb );
937 :
938 7548 : if( FD_LIKELY( bank->f.slot ) ) {
939 7548 : fd_bank_t * parent = fd_banks_bank_query( banks, bank->parent_idx );
940 7548 : FD_TEST( parent );
941 7548 : ulong child_epoch = fd_slot_to_epoch( &bank->f.epoch_schedule, bank->f.slot, NULL );
942 7548 : fd_vote_stakes_t * vote_stakes = fd_bank_vote_stakes( bank );
943 7548 : if( FD_UNLIKELY( child_epoch!=fd_vote_stakes_fork_epoch( vote_stakes, bank->vote_stakes_fork_id ) ) ) {
944 525 : fd_vote_stakes_purge_fork( vote_stakes, bank->vote_stakes_fork_id );
945 525 : bank->vote_stakes_fork_id = fd_vote_stakes_new_fork( vote_stakes, parent->vote_stakes_fork_id, child_epoch );
946 525 : }
947 7548 : }
948 :
949 7548 : fd_runtime_block_pre_execute_process_new_epoch( bank, accdb, capture_ctx, runtime_stack, is_epoch_boundary );
950 :
951 7548 : if( FD_LIKELY( bank->f.slot ) ) {
952 7548 : fd_cost_tracker_store_t * cost_tracker_store = fd_bank_cost_tracker( bank );
953 7548 : fd_cost_tracker_t * cost_tracker = fd_cost_tracker_store_pin( cost_tracker_store, bank->cost_tracker_fork_id );
954 7548 : fd_cost_tracker_init( cost_tracker, &bank->f.features, &bank->f.slot_params, bank->f.slot );
955 7548 : fd_cost_tracker_store_unpin( cost_tracker_store, bank->cost_tracker_fork_id );
956 7548 : }
957 :
958 7548 : fd_features_prepopulate_upcoming( bank, accdb );
959 7548 : fd_runtime_block_sysvar_update_pre_execute( bank, accdb, capture_ctx );
960 7548 : FD_TEST( fd_sysvar_cache_validate( bank, accdb ) );
961 7548 : }
962 :
963 : static void
964 : fd_runtime_update_bank_hash( fd_bank_t * bank,
965 402 : fd_capture_ctx_t * capture_ctx ) {
966 : /* Compute the new bank hash */
967 402 : fd_lthash_value_t const * lthash = fd_bank_lthash_locking_query( bank );
968 402 : fd_hash_t new_bank_hash[1] = { 0 };
969 402 : fd_hashes_hash_bank(
970 402 : lthash,
971 402 : &bank->f.prev_bank_hash,
972 402 : (fd_hash_t *)bank->f.poh.hash,
973 402 : bank->f.signature_count,
974 402 : new_bank_hash );
975 :
976 402 : fd_hashes_apply_hard_forks(
977 402 : new_bank_hash,
978 402 : bank->f.slot,
979 402 : bank->f.parent_slot,
980 402 : bank->f.hard_forks,
981 402 : bank->f.hard_fork_cnt );
982 :
983 : /* Update the bank hash */
984 402 : bank->f.bank_hash = *new_bank_hash;
985 :
986 402 : if( capture_ctx && capture_ctx->capture_solcap &&
987 402 : bank->f.slot>=capture_ctx->solcap_start_slot ) {
988 :
989 0 : uchar lthash_hash[FD_HASH_FOOTPRINT];
990 0 : fd_blake3_hash(lthash->bytes, FD_LTHASH_LEN_BYTES, lthash_hash );
991 0 : fd_capture_link_write_bank_preimage(
992 0 : capture_ctx,
993 0 : bank->f.slot,
994 0 : (fd_hash_t *)new_bank_hash->hash,
995 0 : (fd_hash_t *)&bank->f.prev_bank_hash,
996 0 : (fd_hash_t *)lthash_hash,
997 0 : (fd_hash_t *)bank->f.poh.hash,
998 0 : bank->f.signature_count );
999 0 : }
1000 :
1001 402 : fd_bank_lthash_end_locking_query( bank );
1002 402 : }
1003 :
1004 : /******************************************************************************/
1005 : /* Transaction Level Execution Management */
1006 : /******************************************************************************/
1007 :
1008 : /* fd_runtime_pre_execute_check is responsible for conducting many of
1009 : the transaction sanitization checks. This is a combination of some
1010 : of the work done in Agave's load_and_execute_transactions(), and some
1011 : of the work done in Agave's transaction ingestion stage, before the
1012 : transaction even hits the scheduler. We do some of the checks also
1013 : in our transaction ingestion stage. For example, the duplicate
1014 : account check is performed in both the leader and the replay
1015 : scheduler. As a result, the duplicate account check below is
1016 : essentially redundant, except that our fuzzing harness expects a
1017 : single entry point to cover all of these checks. So we keep all of
1018 : the checks below for fuzzing purposes. We could in theory hoist some
1019 : of the pre-scheduler checks into a public function that is only
1020 : invoked by the fuzzer to avoid duplication in the leader and the
1021 : replay pipeline. But all the duplicate checks are pretty cheap, and
1022 : the order and placement of the checks are also in motion on Agave's
1023 : side, and performing all the checks faithfully would require access
1024 : to the bank in the scheduler which is kind of gross. So that's all
1025 : probably more hassle than worth. */
1026 :
1027 : static inline int
1028 : fd_runtime_pre_execute_check( fd_runtime_t * runtime,
1029 : fd_bank_t * bank,
1030 : fd_txn_in_t const * txn_in,
1031 738 : fd_txn_out_t * txn_out ) {
1032 :
1033 : /* Check the transaction version and compute budget configuration. */
1034 738 : int err = fd_executor_verify_transaction( bank, txn_in, txn_out );
1035 738 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
1036 6 : txn_out->err.is_committable = 0;
1037 6 : return err;
1038 6 : }
1039 :
1040 : /* Setup needs the fee to skip loading accounts for transactions with
1041 : an invalid fee payer, so compute unit limits are sanitized here.
1042 : Any sanitization error is reported as part of check_transactions.
1043 : https://github.com/anza-xyz/agave/blob/v4.4.0-beta.0/runtime/src/bank/check_transactions.rs#L148-L184 */
1044 732 : int sanitize_err = fd_sanitize_compute_unit_limits( txn_out );
1045 732 : fd_executor_calculate_fee( txn_out, TXN( txn_in->txn ), txn_in->txn->payload, &txn_out->details.execution_fee, &txn_out->details.priority_fee );
1046 :
1047 : /* Set up the transaction accounts and other txn ctx metadata. This
1048 : also resolves ALUT-referenced account keys and validates account
1049 : locks before accounts are acquired. Bundle transactions bind to
1050 : the pool acquired and validated once for the whole bundle by
1051 : fd_runtime_prepare_bundle_accounts() and never acquire on a
1052 : per-transaction basis. However, the implicit programdata state
1053 : must be re-derived here per-transaction, and not once up front. An
1054 : earlier bundle transaction can deploy a program, which changes
1055 : whether a pool account parses as a program account, and therefore
1056 : which PD account is being implicitly accounted for. */
1057 732 : if( FD_UNLIKELY( txn_in->bundle.is_bundle ) ) {
1058 159 : fd_executor_setup_accounts_for_txn_bundle( runtime, txn_in, txn_out );
1059 159 : err = fd_runtime_setup_bundle_executables( runtime, bank, txn_out );
1060 573 : } else {
1061 573 : err = fd_executor_setup_accounts_for_txn( runtime, bank, txn_in, txn_out );
1062 573 : }
1063 732 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
1064 3 : txn_out->err.is_committable = 0;
1065 3 : return err;
1066 3 : }
1067 :
1068 729 : txn_out->details.check_start_ticks = fd_tickcount();
1069 :
1070 : /* load_and_execute_transactions() -> check_transactions()
1071 : https://github.com/anza-xyz/agave/blob/ced98f1ebe73f7e9691308afa757323003ff744f/runtime/src/bank.rs#L3667-L3672 */
1072 729 : err = sanitize_err;
1073 729 : if( FD_LIKELY( !err ) ) err = fd_executor_check_transactions( runtime, bank, txn_in, txn_out );
1074 729 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
1075 12 : txn_out->err.is_committable = 0;
1076 12 : return err;
1077 12 : }
1078 :
1079 : /* load_and_execute_sanitized_transactions() -> validate_fees() ->
1080 : validate_transaction_fee_payer()
1081 : https://github.com/anza-xyz/agave/blob/ced98f1ebe73f7e9691308afa757323003ff744f/svm/src/transaction_processor.rs#L236-L249 */
1082 717 : err = fd_executor_validate_transaction_fee_payer( bank, txn_in, txn_out );
1083 717 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
1084 : /* As of the relax_fee_payer_constraint feature, a transaction with
1085 : an invalid fee payer can be included in the block. The
1086 : transaction has no effect on account state and charges no fees.
1087 : These are called "no-op" transactions. They consume block space
1088 : (charging the requested CUs) and their loaded accounts data size
1089 : is charged at their loaded accounts data size limit.
1090 :
1091 : Firedancer does not produce blocks containing no-op transactions
1092 : but we need to be able to replay blocks containing these.
1093 :
1094 : The exception is durable nonce transactions - durable nonce
1095 : transactions with invalid fee payers are not allowed in a block,
1096 : and if a block contains any such transactions it is invalid.
1097 :
1098 : https://github.com/anza-xyz/agave/blob/v4.3.0-beta.0/svm/src/transaction_processor.rs#L741-L770 */
1099 111 : if( FD_FEATURE_ACTIVE_BANK( bank, relax_fee_payer_constraint ) &&
1100 111 : txn_out->accounts.nonce_idx_in_txn==ULONG_MAX ) {
1101 6 : txn_out->err.is_committable = 1;
1102 6 : txn_out->err.is_noop = 1;
1103 6 : txn_out->err.is_fees_only = 0;
1104 105 : } else {
1105 105 : txn_out->err.is_committable = 0;
1106 105 : txn_out->err.is_noop = 0;
1107 105 : }
1108 111 : return err;
1109 111 : }
1110 :
1111 : /* With a valid fee payer, setup only skips acquiring accounts if they
1112 : are known to exceed the loaded accounts data size limit.
1113 : https://github.com/anza-xyz/agave/blob/ced98f1ebe73f7e9691308afa757323003ff744f/svm/src/transaction_processor.rs#L284-L296 */
1114 606 : if( FD_UNLIKELY( runtime->accounts.account_cnt<txn_out->accounts.cnt ) ) {
1115 9 : txn_out->details.loaded_accounts_data_size = txn_out->details.compute_budget.loaded_accounts_data_size_limit;
1116 9 : err = FD_RUNTIME_TXN_ERR_MAX_LOADED_ACCOUNTS_DATA_SIZE_EXCEEDED;
1117 597 : } else {
1118 597 : err = fd_executor_load_transaction_accounts( bank, txn_in, txn_out );
1119 597 : }
1120 606 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
1121 : /* Regardless of whether transaction accounts were loaded successfully, the transaction is
1122 : included in the block and transaction fees are collected.
1123 : https://github.com/anza-xyz/agave/blob/v2.1.6/svm/src/transaction_processor.rs#L341-L357 */
1124 30 : txn_out->err.is_fees_only = 1;
1125 :
1126 : /* If the transaction fails to load, the "rollback" accounts will include one of the following:
1127 : 1. Nonce account only
1128 : 2. Fee payer only
1129 : 3. Nonce account + fee payer
1130 :
1131 : Because the cost tracker uses the loaded account data size in block cost calculations, we need to
1132 : make sure our calculated loaded accounts data size is conformant with Agave's.
1133 : https://github.com/anza-xyz/agave/blob/v4.1.0-beta.1/svm/src/account_loader.rs#L437-L449
1134 :
1135 : These are different depending on if define_ltds_fee_only_semantics is enabled or not.
1136 :
1137 : If define_ltds_fee_only_semantics is enabled, we use the accumulated load size so far,
1138 : clamped to the compute budget requested loaded_accounts_data_size_limit. */
1139 30 : if( FD_FEATURE_ACTIVE_BANK( bank, define_ltds_fee_only_semantics ) ) {
1140 : /* https://github.com/anza-xyz/agave/blob/v4.1.0-beta.1/svm/src/account_loader.rs#L495-L501 */
1141 12 : txn_out->details.loaded_accounts_data_size = fd_ulong_min(
1142 12 : txn_out->details.loaded_accounts_data_size,
1143 12 : txn_out->details.compute_budget.loaded_accounts_data_size_limit );
1144 18 : } else {
1145 : /* If define_ltds_fee_only_semantics is not enabled, initialize
1146 : loaded_accounts_data_size with the dlen of the fee payer. */
1147 18 : txn_out->details.loaded_accounts_data_size = txn_out->accounts.account[ FD_FEE_PAYER_TXN_IDX ]->data_len;
1148 :
1149 : /* Special case handling for if a nonce account is present in the transaction. */
1150 18 : if( txn_out->accounts.nonce_idx_in_txn!=ULONG_MAX ) {
1151 : /* If the nonce account is not the fee payer, then we separately add the dlen of the nonce account. Otherwise, we would
1152 : be double counting the dlen of the fee payer. */
1153 6 : if( txn_out->accounts.nonce_idx_in_txn!=FD_FEE_PAYER_TXN_IDX ) {
1154 3 : txn_out->details.loaded_accounts_data_size += txn_out->accounts.account[ txn_out->accounts.nonce_idx_in_txn ]->data_len;
1155 3 : }
1156 6 : }
1157 18 : }
1158 30 : }
1159 :
1160 : /*
1161 : The fee payer and the nonce account will be stored and hashed so
1162 : long as the transaction landed on chain, or, in Agave terminology,
1163 : the transaction was processed.
1164 : https://github.com/anza-xyz/agave/blob/v2.1.1/runtime/src/account_saver.rs#L72
1165 :
1166 : A transaction lands on chain in one of two ways:
1167 : (1) Passed fee validation and loaded accounts.
1168 : (2) Passed fee validation and failed to load accounts and the enable_transaction_loading_failure_fees feature is enabled as per
1169 : SIMD-0082 https://github.com/anza-xyz/feature-gate-tracker/issues/52
1170 :
1171 : So, at this point, the transaction is committable.
1172 : */
1173 :
1174 606 : return err;
1175 717 : }
1176 :
1177 : /* fd_runtime_lthash_account updates the running lthash of the bank
1178 : given an account that might have been updated. */
1179 :
1180 : static void
1181 : fd_runtime_lthash_account( fd_runtime_t * runtime,
1182 : fd_bank_t * bank,
1183 : fd_pubkey_t const * pubkey,
1184 : fd_acc_t * acc,
1185 597 : fd_capture_ctx_t * capture_ctx ) {
1186 597 : if( FD_UNLIKELY( !acc->lamports ) ) {
1187 24 : acc->data_len = 0UL;
1188 24 : acc->executable = 0;
1189 24 : memset( acc->owner, 0, sizeof(acc->owner) );
1190 24 : }
1191 :
1192 : /* Outside INBAND mode the account is not hashed here. The in-band
1193 : path captures an account iff prior_lamports or lamports is
1194 : non-zero, and so does this. */
1195 597 : if( FD_UNLIKELY( bank->lthash_mode!=FD_BANK_LTHASH_MODE_INBAND ) ) {
1196 0 : if( FD_LIKELY( acc->prior_lamports || acc->lamports ) ) fd_hashes_capture_account( pubkey->uc, acc->owner, acc->lamports, acc->executable, acc->data, acc->data_len, bank, capture_ctx );
1197 0 : return;
1198 0 : }
1199 :
1200 597 : if( FD_UNLIKELY( acc->prior_data &&
1201 597 : acc->lamports==acc->prior_lamports &&
1202 597 : acc->data_len==acc->prior_data_len &&
1203 597 : (!!acc->executable)==(!!acc->prior_executable) &&
1204 597 : !memcmp( acc->owner, acc->prior_owner, sizeof(acc->owner) ) &&
1205 597 : !memcmp( acc->data, acc->prior_data, acc->data_len ) ) ) {
1206 6 : runtime->metrics.lthash_unchanged_cnt++;
1207 6 : if( FD_LIKELY( acc->lamports ) ) fd_hashes_capture_account( pubkey->uc, acc->owner, acc->lamports, acc->executable, acc->data, acc->data_len, bank, capture_ctx );
1208 6 : return;
1209 6 : }
1210 :
1211 591 : if( FD_LIKELY( acc->prior_lamports || acc->lamports ) ) {
1212 591 : ulong prior_lamports = acc->prior_data ? acc->prior_lamports : 0UL;
1213 591 : fd_hashes_update_pair( pubkey->uc, acc->prior_owner, prior_lamports, acc->prior_executable, acc->prior_data, acc->prior_data_len,
1214 591 : acc->owner, acc->lamports, acc->executable, acc->data, acc->data_len,
1215 591 : bank, capture_ctx );
1216 591 : }
1217 591 : }
1218 :
1219 : /* fd_runtime_commit_txn is a helper used by the transaction executor to
1220 : finalize account changes back into the database. It also handles
1221 : txncache insertion and updates to the vote/stake cache. TODO: This
1222 : function should probably be moved to fd_executor.c. */
1223 :
1224 : void
1225 : fd_runtime_commit_txn( fd_runtime_t * runtime,
1226 : fd_bank_t * bank,
1227 : fd_txn_in_t const * txn_in,
1228 426 : fd_txn_out_t * txn_out ) {
1229 426 : FD_TEST( txn_out->err.is_committable );
1230 :
1231 426 : txn_out->details.commit_start_ticks = fd_tickcount();
1232 :
1233 426 : if( FD_UNLIKELY( !txn_out->err.txn_err ) ) {
1234 243 : fd_vote_stakes_t * vote_stakes = fd_bank_vote_stakes( bank );
1235 1578 : for( ushort i=0; i<txn_out->accounts.cnt; i++ ) {
1236 : /* We are only interested in saving writable accounts and the fee
1237 : payer account. */
1238 1335 : if( FD_UNLIKELY( !txn_out->accounts.is_writable[ i ] ) ) continue;
1239 :
1240 : /* https://github.com/anza-xyz/agave/blob/v4.2.0-beta.1/runtime/src/account_saver.rs#L120-L122 */
1241 540 : if( FD_UNLIKELY( !txn_out->accounts.touched[ i ] ) ) continue;
1242 :
1243 477 : fd_pubkey_t const * pubkey = &txn_out->accounts.keys[ i ];
1244 :
1245 : /* Only the txn that owns the accdb reference commits the account
1246 : state. In a bundle, an account is owned by its last writable
1247 : user (account_acquired==1); every other txn referencing it has
1248 : account_acquired==0 and skips here, so the final shared state is
1249 : lthashed exactly once and not double-counted. stake_update/
1250 : vote_update are recomputed from the final state and were moved
1251 : onto this owner, so they also fire here exactly once. */
1252 477 : if( FD_UNLIKELY( !txn_out->accounts.account_acquired[ i ] ) ) continue;
1253 :
1254 414 : fd_acc_t * account = txn_out->accounts.account[ i ];
1255 414 : account->commit = 1;
1256 :
1257 414 : if( FD_UNLIKELY( txn_out->accounts.stake_update[ i ] ) ) {
1258 6 : fd_stake_history_t stake_history[1];
1259 6 : fd_stakes_update_stake_delegation( pubkey, account, bank,
1260 6 : fd_sysvar_cache_stake_history_view( runtime->sysvar_cache, stake_history ), txn_in );
1261 6 : }
1262 :
1263 414 : if( txn_out->accounts.vote_update[i] ) {
1264 93 : int is_valid = account->lamports &&
1265 93 : fd_vsv_is_correct_size_owner_and_init( account->owner, account->data, account->data_len );
1266 93 : fd_vote_stakes_update_state( vote_stakes, bank->vote_stakes_fork_id, pubkey, is_valid );
1267 93 : }
1268 :
1269 414 : fd_runtime_lthash_account( runtime, bank, pubkey, account, runtime->log.capture_ctx );
1270 414 : }
1271 :
1272 : /* Atomically add all accumulated tips to the bank once after
1273 : processing all accounts. */
1274 243 : if( FD_UNLIKELY( txn_out->details.tips ) ) FD_ATOMIC_FETCH_AND_ADD( &bank->f.tips, txn_out->details.tips );
1275 243 : }
1276 :
1277 426 : txn_out->details.commit_index_in_slot = FD_ATOMIC_FETCH_AND_ADD( &bank->f.txn_count, 1UL );
1278 426 : FD_ATOMIC_FETCH_AND_ADD( &bank->f.execution_fees, txn_out->details.execution_fee );
1279 426 : FD_ATOMIC_FETCH_AND_ADD( &bank->f.priority_fees, txn_out->details.priority_fee );
1280 426 : FD_ATOMIC_FETCH_AND_ADD( &bank->f.signature_count, txn_out->details.signature_count );
1281 426 : FD_ATOMIC_FETCH_AND_ADD( &bank->f.nonvote_txn_count, 1 );
1282 426 : if( FD_UNLIKELY( txn_out->err.txn_err ) ) FD_ATOMIC_FETCH_AND_ADD( &bank->f.nonvote_failed_txn_count, 1 );
1283 :
1284 426 : if( FD_UNLIKELY( txn_out->err.txn_err ) ) FD_ATOMIC_FETCH_AND_ADD( &bank->f.failed_txn_count, 1 ); /* fees-only failures too, not just instruction errors */
1285 426 : 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 426 : fd_cost_tracker_t * cost_tracker = fd_cost_tracker_store_peek( fd_bank_cost_tracker( bank ), bank->cost_tracker_fork_id );
1288 426 : int res = fd_cost_tracker_try_add_cost( cost_tracker, txn_out );
1289 426 : if( FD_UNLIKELY( res!=FD_COST_TRACKER_SUCCESS ) ) {
1290 3 : FD_LOG_DEBUG(( "fd_runtime_commit_txn: transaction failed to fit into block %d", res ));
1291 3 : txn_out->err.is_committable = 0;
1292 3 : txn_out->err.txn_err = fd_cost_tracker_err_to_runtime_err( res );
1293 3 : }
1294 :
1295 426 : if( FD_LIKELY( runtime->status_cache && txn_out->accounts.nonce_idx_in_txn==ULONG_MAX && txn_out->err.is_committable ) ) {
1296 : /* In Agave, durable nonce transactions are inserted to the status
1297 : cache the same as any others, but this is only to serve RPC
1298 : requests, they do not need to be in there for correctness as the
1299 : nonce mechanism itself prevents double spend. We skip this logic
1300 : entirely to simplify and improve performance of the txn cache.
1301 :
1302 : Cost tracker rejected transactions are also skipped: the block
1303 : is already dead, and skipping keeps the per slot insert count
1304 : bounded by the cost model, which sizes the txn cache. */
1305 417 : fd_txncache_insert( runtime->status_cache, bank->txncache_fork_id, txn_out->details.blockhash.uc, txn_out->details.blake_txn_msg_hash.uc );
1306 417 : }
1307 :
1308 : /* No-op transactions have no effect on the state so we should skip
1309 : these rollbacks. */
1310 426 : if( FD_UNLIKELY( txn_out->err.txn_err && !txn_out->err.is_noop ) ) {
1311 : /* With nonce account rollbacks, there are three cases:
1312 :
1313 : 1. No nonce account in the transaction
1314 : 2. Nonce account is the fee payer
1315 : 3. Nonce account is not the fee payer
1316 :
1317 : We should always rollback the nonce account first. Note that the
1318 : nonce account may be the fee payer (case 2). */
1319 183 : if( FD_UNLIKELY( txn_out->accounts.nonce_idx_in_txn!=ULONG_MAX ) ) {
1320 0 : fd_acc_t * nonce_account = txn_out->accounts.account[ txn_out->accounts.nonce_idx_in_txn ];
1321 0 : fd_memcpy( nonce_account->data, txn_out->accounts.nonce_rollback_data, txn_out->accounts.nonce_rollback_data_len );
1322 0 : nonce_account->data_len = txn_out->accounts.nonce_rollback_data_len;
1323 0 : fd_memcpy( nonce_account->owner, nonce_account->prior_owner, 32UL );
1324 0 : if( FD_UNLIKELY( txn_out->accounts.nonce_idx_in_txn==FD_FEE_PAYER_TXN_IDX ) ) {
1325 0 : nonce_account->lamports = txn_out->accounts.fee_payer_rollback_lamports;
1326 0 : } else {
1327 0 : nonce_account->lamports = nonce_account->prior_lamports;
1328 0 : }
1329 0 : nonce_account->executable = nonce_account->prior_executable;
1330 0 : nonce_account->commit = 1;
1331 0 : fd_runtime_lthash_account( runtime, bank, &txn_out->accounts.keys[ txn_out->accounts.nonce_idx_in_txn ], nonce_account, runtime->log.capture_ctx );
1332 0 : }
1333 :
1334 : /* Now, we must only save the fee payer if the nonce account was not
1335 : the fee payer (because that was already saved above). */
1336 183 : if( FD_LIKELY( txn_out->accounts.nonce_idx_in_txn!=FD_FEE_PAYER_TXN_IDX ) ) {
1337 183 : fd_acc_t * fee_payer_account = txn_out->accounts.account[ FD_FEE_PAYER_TXN_IDX ];
1338 183 : fd_memcpy( fee_payer_account->data, fee_payer_account->prior_data, fee_payer_account->prior_data_len );
1339 183 : fee_payer_account->data_len = fee_payer_account->prior_data_len;
1340 183 : fd_memcpy( fee_payer_account->owner, fee_payer_account->prior_owner, 32UL );
1341 183 : fee_payer_account->lamports = txn_out->accounts.fee_payer_rollback_lamports;
1342 183 : fee_payer_account->executable = fee_payer_account->prior_executable;
1343 :
1344 183 : fee_payer_account->commit = 1;
1345 183 : fd_runtime_lthash_account( runtime, bank, &txn_out->accounts.keys[ FD_FEE_PAYER_TXN_IDX ], fee_payer_account, runtime->log.capture_ctx );
1346 183 : }
1347 183 : }
1348 :
1349 426 : if( FD_UNLIKELY( fd_bank_report_runtime_diffs( bank ) ) ) fd_event_runtime_txn_emit( txn_in, txn_out, bank );
1350 :
1351 426 : if( FD_LIKELY( !txn_out->accounts.is_bundle ) ) {
1352 330 : fd_accdb_release_ab( runtime->accdb,
1353 330 : runtime->accounts.account_cnt, runtime->accounts.account,
1354 330 : runtime->accounts.executable_cnt, runtime->accounts.executable );
1355 330 : runtime->accounts.executable_cnt = 0UL;
1356 330 : }
1357 426 : }
1358 :
1359 : void
1360 : fd_runtime_cancel_txn( fd_runtime_t * runtime,
1361 : fd_bank_t * bank,
1362 : fd_txn_in_t const * txn_in,
1363 126 : fd_txn_out_t * txn_out ) {
1364 126 : FD_TEST( !txn_out->err.is_committable );
1365 :
1366 126 : if( FD_UNLIKELY( bank && fd_bank_report_runtime_diffs( bank ) ) ) fd_event_runtime_txn_emit( txn_in, txn_out, bank );
1367 :
1368 126 : if( FD_UNLIKELY( !txn_out->accounts.is_setup ) ) return;
1369 :
1370 120 : fd_accdb_release_ab( runtime->accdb,
1371 120 : runtime->accounts.account_cnt, runtime->accounts.account,
1372 120 : runtime->accounts.executable_cnt, runtime->accounts.executable );
1373 120 : runtime->accounts.executable_cnt = 0UL;
1374 120 : }
1375 :
1376 : void
1377 84 : fd_runtime_fini_bundle( fd_runtime_t * runtime ) {
1378 84 : fd_accdb_release_ab( runtime->accdb,
1379 84 : runtime->accounts.account_cnt, runtime->accounts.account,
1380 84 : runtime->accounts.executable_cnt, runtime->accounts.executable );
1381 84 : runtime->accounts.account_cnt = 0UL;
1382 84 : runtime->accounts.executable_cnt = 0UL;
1383 84 : }
1384 :
1385 : static inline void
1386 738 : fd_runtime_reset_runtime( fd_runtime_t * runtime ) {
1387 738 : runtime->instr.stack_sz = 0;
1388 738 : runtime->instr.trace_length = 0UL;
1389 738 : }
1390 :
1391 : static inline void
1392 : fd_runtime_new_txn_out( fd_txn_in_t const * txn_in,
1393 738 : fd_txn_out_t * txn_out ) {
1394 738 : txn_out->details.load_start_ticks = fd_tickcount();
1395 738 : txn_out->details.check_start_ticks = LONG_MAX;
1396 738 : txn_out->details.exec_start_ticks = LONG_MAX;
1397 738 : txn_out->details.commit_start_ticks = LONG_MAX;
1398 :
1399 738 : fd_compute_budget_details_new( &txn_out->details.compute_budget );
1400 738 : fd_memset( &txn_out->details.txn_cost, 0, sizeof(txn_out->details.txn_cost) );
1401 :
1402 738 : txn_out->details.loaded_accounts_data_size = 0UL;
1403 738 : txn_out->details.accounts_resize_delta = 0L;
1404 :
1405 738 : txn_out->details.return_data.len = 0UL;
1406 738 : memset( txn_out->details.return_data.program_id.key, 0, sizeof(fd_pubkey_t) );
1407 :
1408 738 : txn_out->details.tips = 0UL;
1409 738 : txn_out->details.execution_fee = 0UL;
1410 738 : txn_out->details.priority_fee = 0UL;
1411 738 : txn_out->details.signature_count = TXN( txn_in->txn )->signature_cnt;
1412 738 : if( FD_LIKELY( txn_out->details.signature_count ) ) {
1413 735 : fd_memcpy( txn_out->details.signature.uc,
1414 735 : (uchar const *)txn_in->txn->payload + TXN( txn_in->txn )->signature_off,
1415 735 : sizeof(fd_signature_t) );
1416 735 : } else {
1417 3 : fd_memset( txn_out->details.signature.uc, 0, sizeof(fd_signature_t) );
1418 3 : }
1419 :
1420 738 : fd_hash_t * blockhash = (fd_hash_t *)((uchar *)txn_in->txn->payload + TXN( txn_in->txn )->recent_blockhash_off);
1421 738 : memcpy( txn_out->details.blockhash.uc, blockhash->hash, sizeof(fd_hash_t) );
1422 738 : memset( txn_out->details.blake_txn_msg_hash.uc, 0, sizeof(fd_hash_t) );
1423 :
1424 738 : txn_out->accounts.is_setup = 0;
1425 738 : txn_out->accounts.is_bundle = txn_in->bundle.is_bundle;
1426 738 : if( FD_LIKELY( !txn_in->bundle.is_bundle ) ) txn_out->accounts.cnt= 0UL;
1427 :
1428 738 : FD_STATIC_ASSERT( offsetof(fd_txn_out_t, accounts.touched)-offsetof(fd_txn_out_t, accounts.stake_update)==4UL*MAX_TX_ACCOUNT_LOCKS, txn_out_flags_contiguous );
1429 738 : memset( txn_out->accounts.is_writable, 0, sizeof(txn_out->accounts.is_writable) );
1430 738 : memset( txn_out->accounts.stake_update, 0, 5UL*MAX_TX_ACCOUNT_LOCKS );
1431 738 : txn_out->accounts.nonce_idx_in_txn = ULONG_MAX;
1432 :
1433 : /* For bundle transactions the resolved key list is bound once up
1434 : front by fd_runtime_prepare_bundle_accounts() before this runs per
1435 : transaction, so preserve it here. For a non-bundle transaction the
1436 : executable list is built in fd_executor_setup_accounts_for_txn(),
1437 : so reset it here. */
1438 738 : if( FD_LIKELY( !txn_in->bundle.is_bundle ) ) {
1439 579 : txn_out->accounts.executable_cnt = 0UL;
1440 579 : txn_out->accounts.executable_skipped_cnt = 0;
1441 579 : }
1442 738 : txn_out->accounts.nonce_rollback_data_len = 0UL;
1443 738 : txn_out->accounts.fee_payer_rollback_lamports = 0UL;
1444 :
1445 738 : txn_out->err.is_committable = 1;
1446 738 : txn_out->err.is_fees_only = 0;
1447 738 : txn_out->err.is_noop = 0;
1448 738 : txn_out->err.txn_err = FD_RUNTIME_EXECUTE_SUCCESS;
1449 738 : txn_out->err.exec_err = FD_EXECUTOR_INSTR_SUCCESS;
1450 738 : txn_out->err.exec_err_kind = FD_EXECUTOR_ERR_KIND_NONE;
1451 738 : txn_out->err.exec_err_idx = UINT_MAX;
1452 738 : txn_out->err.custom_err = 0;
1453 738 : }
1454 :
1455 : void
1456 : fd_runtime_sysvar_cache_refresh( fd_runtime_t * runtime,
1457 882 : fd_bank_t const * bank ) {
1458 882 : if( FD_LIKELY( runtime->sysvar_bank_seq==bank->bank_seq ) ) return;
1459 417 : fd_sysvar_cache_restore( runtime->sysvar_cache, runtime->accdb, bank->accdb_fork_id );
1460 417 : runtime->sysvar_bank_seq = bank->bank_seq;
1461 417 : runtime->metrics.bank_switch_cnt++;
1462 417 : }
1463 :
1464 : void
1465 : fd_runtime_prepare_and_execute_txn( fd_runtime_t * runtime,
1466 : fd_bank_t * bank,
1467 : fd_txn_in_t const * txn_in,
1468 738 : fd_txn_out_t * txn_out ) {
1469 738 : fd_runtime_reset_runtime( runtime );
1470 738 : fd_runtime_sysvar_cache_refresh( runtime, bank );
1471 :
1472 738 : fd_runtime_new_txn_out( txn_in, txn_out );
1473 :
1474 738 : uchar dump_txn = !!(runtime->log.dump_proto_ctx &&
1475 738 : bank->f.slot >= runtime->log.dump_proto_ctx->dump_proto_start_slot &&
1476 738 : runtime->log.dump_proto_ctx->dump_txn_to_pb);
1477 :
1478 : /* Phase 1: Capture TxnContext before execution. */
1479 738 : if( FD_UNLIKELY( dump_txn ) ) {
1480 0 : if( runtime->log.txn_dump_ctx ) {
1481 0 : fd_dump_txn_context_to_protobuf( runtime->log.txn_dump_ctx, runtime, bank, txn_in, txn_out );
1482 0 : } else {
1483 0 : fd_dump_txn_to_protobuf( runtime, bank, txn_in, txn_out );
1484 0 : }
1485 0 : }
1486 :
1487 : /* Transaction sanitization. If a transaction can't be committed, is
1488 : fees-only, or a no-op, we return early. */
1489 738 : txn_out->err.txn_err = fd_runtime_pre_execute_check( runtime, bank, txn_in, txn_out );
1490 738 : if( FD_UNLIKELY( !txn_out->err.is_committable || txn_out->err.is_noop ) ) {
1491 : /* No fees are collected from these transactions. */
1492 132 : txn_out->details.execution_fee = 0UL;
1493 132 : txn_out->details.priority_fee = 0UL;
1494 132 : }
1495 738 : ulong cu_before = txn_out->details.compute_budget.compute_meter;
1496 :
1497 : /* Execute the transaction if eligible to do so. */
1498 738 : if( FD_LIKELY( txn_out->err.is_committable ) ) {
1499 612 : if( FD_UNLIKELY( txn_out->err.is_noop ) ) {
1500 : /* No-op transactions charge the requested CUs and loaded
1501 : account data size limit.
1502 : https://github.com/anza-xyz/agave/blob/v4.3.0-beta.0/svm/src/transaction_processor.rs#L757-L767
1503 : https://github.com/anza-xyz/agave/blob/v4.3.0-beta.0/svm/src/transaction_processing_result.rs#L92-L106 */
1504 6 : txn_out->details.compute_budget.compute_meter = 0UL;
1505 6 : txn_out->details.loaded_accounts_data_size = txn_out->details.compute_budget.loaded_accounts_data_size_limit;
1506 606 : } else if( FD_LIKELY( !txn_out->err.is_fees_only ) ) {
1507 576 : txn_out->details.exec_start_ticks = fd_tickcount();
1508 576 : txn_out->err.txn_err = fd_execute_txn( runtime, bank, txn_in, txn_out );
1509 576 : }
1510 612 : fd_cost_tracker_calculate_cost( bank, txn_in, txn_out );
1511 612 : }
1512 738 : ulong cu_after = txn_out->details.compute_budget.compute_meter;
1513 738 : runtime->metrics.cu_cum += fd_ulong_sat_sub( cu_before, cu_after );
1514 :
1515 : /* Phase 2: Capture TxnResult after execution and write to disk. */
1516 738 : if( FD_UNLIKELY( dump_txn && runtime->log.txn_dump_ctx ) ) {
1517 0 : fd_dump_txn_result_to_protobuf( runtime->log.txn_dump_ctx, txn_in, txn_out, txn_out->err.txn_err );
1518 0 : fd_dump_txn_fixture_to_file( runtime->log.txn_dump_ctx, runtime->log.dump_proto_ctx, txn_in );
1519 0 : }
1520 738 : }
1521 :
1522 : /* fd_executor_txn_verify and fd_runtime_pre_execute_check are responsible
1523 : for the bulk of the pre-transaction execution checks in the runtime.
1524 : They aim to preserve the ordering present in the Agave client to match
1525 : parity in terms of error codes. Sigverify is kept separate from the rest
1526 : of the transaction checks for fuzzing convenience.
1527 :
1528 : fd_runtime_pre_execute_check processes compute-budget instructions
1529 : (or v1 configuration), sets up accounts, checks transaction age and
1530 : status, validates the fee payer, then loads transaction accounts.
1531 : See its calls to fd_executor_verify_transaction,
1532 : fd_executor_check_transactions, fd_executor_validate_transaction_fee_payer
1533 : and fd_executor_load_transaction_accounts. */
1534 :
1535 :
1536 : /******************************************************************************/
1537 : /* Genesis */
1538 : /*******************************************************************************/
1539 :
1540 : static void
1541 : fd_runtime_genesis_init_program( fd_bank_t * bank,
1542 : fd_accdb_t * accdb,
1543 0 : fd_capture_ctx_t * capture_ctx ) {
1544 :
1545 0 : fd_sysvar_clock_init( bank, accdb, capture_ctx );
1546 0 : fd_sysvar_rent_init( bank, accdb, capture_ctx );
1547 :
1548 0 : fd_sysvar_slot_history_init( bank, accdb, capture_ctx );
1549 0 : fd_sysvar_epoch_schedule_init( bank, accdb, capture_ctx );
1550 0 : fd_sysvar_recent_hashes_init( bank, accdb, capture_ctx );
1551 0 : fd_sysvar_stake_history_init( bank, accdb, capture_ctx );
1552 0 : fd_sysvar_last_restart_slot_init( bank, accdb, capture_ctx );
1553 :
1554 0 : fd_builtin_programs_init( bank, accdb, capture_ctx );
1555 0 : }
1556 :
1557 : static void
1558 : fd_runtime_init_bank_from_genesis( fd_banks_t * banks,
1559 : fd_bank_t * bank,
1560 : fd_runtime_stack_t * runtime_stack,
1561 : fd_accdb_t * accdb,
1562 : fd_genesis_t const * genesis,
1563 : uchar const * genesis_blob,
1564 0 : fd_hash_t const * genesis_hash ) {
1565 :
1566 0 : bank->f.parent_slot = ULONG_MAX;
1567 0 : bank->f.poh = *genesis_hash;
1568 :
1569 0 : fd_hash_t * bank_hash = &bank->f.bank_hash;
1570 0 : memset( bank_hash->hash, 0, FD_SHA256_HASH_SZ );
1571 :
1572 0 : uint128 target_tick_duration = (uint128)genesis->poh.tick_duration_secs * 1000000000UL + (uint128)genesis->poh.tick_duration_ns;
1573 :
1574 0 : fd_epoch_schedule_t * epoch_schedule = &bank->f.epoch_schedule;
1575 0 : epoch_schedule->leader_schedule_slot_offset = genesis->epoch_schedule.leader_schedule_slot_offset;
1576 0 : epoch_schedule->warmup = genesis->epoch_schedule.warmup;
1577 0 : epoch_schedule->first_normal_epoch = genesis->epoch_schedule.first_normal_epoch;
1578 0 : epoch_schedule->first_normal_slot = genesis->epoch_schedule.first_normal_slot;
1579 0 : epoch_schedule->slots_per_epoch = genesis->epoch_schedule.slots_per_epoch;
1580 :
1581 0 : fd_rent_t * rent = &bank->f.rent;
1582 0 : rent->lamports_per_uint8_year = genesis->rent.lamports_per_uint8_year;
1583 0 : rent->exemption_threshold = genesis->rent.exemption_threshold;
1584 0 : rent->burn_percent = genesis->rent.burn_percent;
1585 :
1586 0 : fd_inflation_t * inflation = &bank->f.inflation;
1587 0 : inflation->initial = genesis->inflation.initial;
1588 0 : inflation->terminal = genesis->inflation.terminal;
1589 0 : inflation->taper = genesis->inflation.taper;
1590 0 : inflation->foundation = genesis->inflation.foundation;
1591 0 : inflation->foundation_term = genesis->inflation.foundation_term;
1592 0 : inflation->unused = 0.0;
1593 :
1594 0 : bank->f.block_height = 0UL;
1595 :
1596 0 : {
1597 : /* FIXME Why is there a previous blockhash at genesis? Why is the
1598 : last_hash field an option type in Agave, if even the first
1599 : real block has a previous blockhash? */
1600 0 : fd_blockhashes_t * bhq = fd_blockhashes_init( &bank->f.block_hash_queue, 0UL );
1601 0 : fd_blockhash_info_t * info = fd_blockhashes_push_new( bhq, genesis_hash );
1602 0 : info->lamports_per_signature = 0UL;
1603 0 : }
1604 :
1605 0 : fd_fee_rate_governor_t * fee_rate_governor = &bank->f.fee_rate_governor;
1606 0 : fee_rate_governor->target_lamports_per_signature = genesis->fee_rate_governor.target_lamports_per_signature;
1607 0 : fee_rate_governor->target_signatures_per_slot = genesis->fee_rate_governor.target_signatures_per_slot;
1608 0 : fee_rate_governor->min_lamports_per_signature = genesis->fee_rate_governor.min_lamports_per_signature;
1609 0 : fee_rate_governor->max_lamports_per_signature = genesis->fee_rate_governor.max_lamports_per_signature;
1610 0 : fee_rate_governor->burn_percent = genesis->fee_rate_governor.burn_percent;
1611 :
1612 0 : bank->f.max_tick_height = genesis->poh.ticks_per_slot * (bank->f.slot + 1);
1613 0 : bank->f.slot_params = FD_SLOT_PARAMS_400MS;
1614 0 : bank->f.slot_params.ns_per_slot = (ulong)( target_tick_duration * genesis->poh.ticks_per_slot );
1615 0 : bank->f.slot_params.ns_per_slot_adjusted = fd_ulong_sat_sub( bank->f.slot_params.ns_per_slot, FD_TARGET_SLOT_ADJUSTMENT_NS );
1616 0 : bank->f.slot_params.slots_per_year = SECONDS_PER_YEAR * (1000000000.0 / (double)target_tick_duration) / (double)genesis->poh.ticks_per_slot;
1617 0 : bank->f.slot_params.hashes_per_tick = genesis->poh.hashes_per_tick;
1618 0 : bank->f.slot_params_default = bank->f.slot_params;
1619 :
1620 0 : bank->f.ticks_per_slot = genesis->poh.ticks_per_slot;
1621 0 : bank->f.genesis_creation_time = genesis->creation_time;
1622 :
1623 0 : bank->f.signature_count = 0UL;
1624 :
1625 : /* Derive epoch stakes */
1626 :
1627 0 : fd_stake_delegations_t * stake_delegations = fd_banks_stake_delegations_root_query( banks );
1628 0 : if( FD_UNLIKELY( !stake_delegations ) ) {
1629 0 : FD_LOG_CRIT(( "Failed to join and new a stake delegations" ));
1630 0 : }
1631 :
1632 0 : ulong capitalization = 0UL;
1633 :
1634 0 : for( ulong i=0UL; i<genesis->account_cnt; i++ ) {
1635 0 : fd_genesis_account_t account[1];
1636 0 : fd_genesis_account( genesis, genesis_blob, account, i );
1637 :
1638 0 : capitalization = fd_ulong_sat_add( capitalization, account->lamports );
1639 :
1640 0 : if( !memcmp( account->owner.uc, fd_solana_stake_program_id.key, sizeof(fd_pubkey_t) ) ) {
1641 : /* If an account is a stake account, then it must be added to the
1642 : stake delegations cache. Like Agave, membership is decided by
1643 : the variant alone: a delegation of zero is still a delegation. */
1644 0 : fd_stake_state_t const * stake_state = fd_stake_state_view( account->data, account->data_len );
1645 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 )); }
1646 0 : if( stake_state->stake_type!=FD_STAKE_STATE_STAKE ) continue;
1647 :
1648 0 : fd_stake_delegations_root_update(
1649 0 : stake_delegations,
1650 0 : &account->pubkey,
1651 0 : &stake_state->stake.stake.delegation.voter_pubkey,
1652 0 : stake_state->stake.stake.delegation.stake,
1653 0 : stake_state->stake.stake.delegation.activation_epoch,
1654 0 : stake_state->stake.stake.delegation.deactivation_epoch,
1655 0 : stake_state->stake.stake.credits_observed,
1656 0 : account->lamports,
1657 0 : (uint)account->data_len );
1658 0 : }
1659 0 : }
1660 :
1661 0 : fd_features_restore( &bank->f.features, accdb, bank->accdb_fork_id, bank->f.slot, &bank->f.epoch_schedule );
1662 :
1663 : /* https://github.com/anza-xyz/agave/blob/9bcf93e368b5fb52c21677ed8c7f0360eb93b5b7/runtime/src/bank.rs#L6237-L6242 */
1664 0 : if( FD_UNLIKELY( FD_FEATURE_ACTIVE_BANK( bank, remove_runtime_float_ops ) ) ) {
1665 0 : fd_apply_integer_inflation_initial_rate( bank );
1666 0 : }
1667 :
1668 : /* https://github.com/anza-xyz/agave/blob/v4.3.0-beta.0/runtime/src/bank.rs#L6101-L6109 */
1669 0 : if( FD_UNLIKELY( FD_FEATURE_ACTIVE_BANK( bank, double_disinflation_rate ) ) ) {
1670 0 : fd_apply_double_disinflation_rate( bank );
1671 0 : }
1672 :
1673 : /* fd_refresh_vote_accounts is responsible for updating the vote
1674 : states with the total amount of active delegated stake. It does
1675 : this by iterating over all active stake delegations and summing up
1676 : the amount of stake that is delegated to each vote account. */
1677 0 : ulong new_rate_activation_epoch = 0UL;
1678 :
1679 0 : {
1680 : /* Snapshot the stake history sysvar into a local buffer and release
1681 : the accdb bracket before calling fd_refresh_vote_accounts, which
1682 : performs its own accdb acquires. fd_sysvar_stake_history_view
1683 : aliases the source bytes, so the bracket cannot be held open
1684 : across an inner acquire. */
1685 0 : uchar stake_history_data[ FD_SYSVAR_STAKE_HISTORY_BINCODE_SZ ];
1686 0 : fd_stake_history_t stake_history_[1];
1687 0 : fd_stake_history_t * stake_history = NULL;
1688 0 : fd_acc_t ro = fd_accdb_read_one( accdb, bank->accdb_fork_id, fd_sysvar_stake_history_id.uc );
1689 0 : if( FD_LIKELY( ro.lamports ) ) {
1690 0 : ulong copy_sz = fd_ulong_min( ro.data_len, FD_SYSVAR_STAKE_HISTORY_BINCODE_SZ );
1691 0 : fd_memcpy( stake_history_data, ro.data, copy_sz );
1692 0 : fd_accdb_unread_one( accdb, &ro );
1693 0 : stake_history = fd_sysvar_stake_history_view( stake_history_, stake_history_data, copy_sz );
1694 0 : } else {
1695 0 : fd_accdb_unread_one( accdb, &ro );
1696 0 : }
1697 :
1698 0 : fd_refresh_vote_accounts( bank, accdb, runtime_stack, stake_delegations, stake_history, ULONG_MAX, &new_rate_activation_epoch );
1699 0 : }
1700 :
1701 : /* At genesis (epoch 0) there is no previous epoch, so the t-2 set
1702 : should equal the genesis staked set. */
1703 :
1704 0 : {
1705 0 : fd_vote_stakes_t * vote_stakes = fd_bank_vote_stakes( bank );
1706 0 : ushort fork_id = bank->vote_stakes_fork_id;
1707 0 : uchar __attribute__((aligned(FD_VOTE_STAKES_ITER_ALIGN))) iter_mem[ FD_VOTE_STAKES_ITER_FOOTPRINT ];
1708 0 : for( fd_vote_stakes_iter_t * iter = fd_vote_stakes_iter_init( vote_stakes, fork_id, FD_VOTE_STAKES_ITER_T_1, iter_mem );
1709 0 : !fd_vote_stakes_iter_done( vote_stakes, fork_id, FD_VOTE_STAKES_ITER_T_1, iter );
1710 0 : fd_vote_stakes_iter_next( vote_stakes, fork_id, FD_VOTE_STAKES_ITER_T_1, iter ) ) {
1711 0 : fd_vote_stakes_ele_t ele[1];
1712 0 : fd_vote_stakes_iter_ele( vote_stakes, fork_id, FD_VOTE_STAKES_ITER_T_1, iter, ele );
1713 0 : fd_vote_stakes_snap_insert_t_2( vote_stakes, fork_id, &ele->pubkey, &ele->node_account, ele->stake, ele->commission, ele->bls_key,
1714 0 : ele->block_revenue_commission_bps, ele->pending_delegator_rewards, &ele->inflation_collector, &ele->block_collector, &ele->location );
1715 0 : }
1716 0 : fd_vote_stakes_finalize( vote_stakes, fork_id, FD_VOTE_STAKES_ITER_T_2 );
1717 0 : fd_vote_stakes_refresh( vote_stakes, fork_id, accdb, bank->accdb_fork_id );
1718 0 : }
1719 :
1720 0 : bank->f.epoch = 0UL;
1721 0 : bank->f.capitalization = capitalization;
1722 0 : }
1723 :
1724 : static int
1725 : fd_runtime_process_genesis_block( fd_bank_t * bank,
1726 : fd_accdb_t * accdb,
1727 : fd_capture_ctx_t * capture_ctx,
1728 0 : fd_runtime_stack_t * runtime_stack ) {
1729 0 : bank->f.execution_fees = 0UL;
1730 0 : bank->f.priority_fees = 0UL;
1731 0 : bank->f.signature_count = 0UL;
1732 0 : bank->f.txn_count = 0UL;
1733 0 : bank->f.failed_txn_count = 0UL;
1734 0 : bank->f.nonvote_failed_txn_count = 0UL;
1735 0 : bank->f.total_compute_units_used = 0UL;
1736 :
1737 0 : fd_runtime_genesis_init_program( bank, accdb, capture_ctx );
1738 0 : fd_sysvar_slot_history_update( bank, accdb, capture_ctx );
1739 0 : fd_runtime_update_leaders( bank, runtime_stack );
1740 0 : fd_runtime_freeze_sysvars( bank, accdb, capture_ctx );
1741 0 : fd_runtime_freeze_fees( bank, accdb, capture_ctx );
1742 :
1743 0 : fd_hash_t const * prev_bank_hash = &bank->f.bank_hash;
1744 :
1745 0 : fd_lthash_value_t const * lthash = fd_bank_lthash_locking_query( bank );
1746 :
1747 0 : fd_hash_t * bank_hash = &bank->f.bank_hash;
1748 0 : fd_hashes_hash_bank( lthash, prev_bank_hash, (fd_hash_t *)bank->f.poh.hash, 0UL, bank_hash );
1749 :
1750 0 : fd_bank_lthash_end_locking_query( bank );
1751 :
1752 0 : return FD_RUNTIME_EXECUTE_SUCCESS;
1753 0 : }
1754 :
1755 : void
1756 : fd_runtime_read_genesis( fd_banks_t * banks,
1757 : fd_bank_t * bank,
1758 : fd_accdb_t * accdb,
1759 : fd_capture_ctx_t * capture_ctx,
1760 : fd_hash_t const * genesis_hash,
1761 : fd_lthash_value_t const * genesis_lthash,
1762 : fd_genesis_t const * genesis,
1763 : uchar const * genesis_blob,
1764 0 : fd_runtime_stack_t * runtime_stack ) {
1765 0 : if( FD_UNLIKELY( genesis->poh.hashes_per_tick ) ) {
1766 0 : FD_LOG_ERR(( "unsupported genesis: Firedancer only supports Alpenglow consensus" ));
1767 0 : }
1768 :
1769 0 : fd_lthash_value_t * lthash = fd_bank_lthash_locking_modify( bank );
1770 0 : *lthash = *genesis_lthash;
1771 0 : fd_bank_lthash_end_locking_modify( bank );
1772 :
1773 : /* Once the accounts have been loaded from the genesis config into
1774 : the accounts db, we can initialize the bank state. This involves
1775 : setting some fields, and notably setting up the vote and stake
1776 : caches which are used for leader scheduling/rewards. */
1777 :
1778 0 : fd_runtime_init_bank_from_genesis( banks, bank, runtime_stack, accdb, genesis, genesis_blob, genesis_hash );
1779 :
1780 : /* Write the native programs to the accounts db. */
1781 :
1782 0 : for( ulong i=0UL; i<genesis->builtin_cnt; i++ ) {
1783 0 : fd_genesis_builtin_t builtin[1];
1784 0 : fd_genesis_builtin( genesis, genesis_blob, builtin, i );
1785 0 : fd_write_builtin_account( bank, accdb, capture_ctx, builtin->pubkey, builtin->data, builtin->data_len );
1786 0 : }
1787 :
1788 : /* At this point, state related to the bank and the accounts db
1789 : have been initialized and we are free to finish executing the
1790 : block. In practice, this updates some bank fields (notably the
1791 : poh and bank hash). */
1792 :
1793 0 : int err = fd_runtime_process_genesis_block( bank, accdb, capture_ctx, runtime_stack );
1794 0 : if( FD_UNLIKELY( err ) ) FD_LOG_CRIT(( "genesis slot 0 execute failed with error %d", err ));
1795 :
1796 : /* Genesis init ran the epoch-boundary refresh paths above; discard
1797 : the accumulated summary so the first real boundary's runtime_epoch
1798 : event only reflects itself. */
1799 0 : if( FD_UNLIKELY( fd_bank_report_runtime_diffs( bank ) ) ) fd_event_runtime_epoch_reset();
1800 0 : }
1801 :
1802 : /* valid_producer_time returns 1 iff an Alpenglow block footer's
1803 : producer_time_nanos is within valid bounds relative to the parent's
1804 : timestamp and can be safely represented as a long, and 0 if not. */
1805 :
1806 : static inline int
1807 : valid_producer_time( fd_bank_t const * bank,
1808 : fd_accdb_t * accdb,
1809 3 : ulong producer_time_nanos ) {
1810 3 : long lo, hi;
1811 3 : fd_alpenglow_producer_time_bounds( bank, accdb, &lo, &hi );
1812 3 : return producer_time_nanos<=(ulong)LONG_MAX && (long)producer_time_nanos>=lo && (long)producer_time_nanos<=hi;
1813 3 : }
1814 :
1815 : /* Rewrites the clock sysvar and the alpenclock account from the
1816 : footer's producer timestamp (Agave Bank::update_clock_from_footer).
1817 : The clock must be applied before the reward certs. Returns -1 if the
1818 : producer time is invalid. */
1819 :
1820 : static int
1821 : apply_footer_clock( fd_bank_t * bank,
1822 : fd_accdb_t * accdb,
1823 : fd_capture_ctx_t * capture_ctx,
1824 3 : fd_block_footer_t const * footer ) {
1825 :
1826 3 : ulong producer_time_nanos = footer->block_producer_time_nanos;
1827 3 : long unix_timestamp = (long)(producer_time_nanos/1000000000UL);
1828 :
1829 3 : fd_sol_sysvar_clock_t clock_[1];
1830 3 : fd_sol_sysvar_clock_t * clock = fd_sysvar_clock_read( accdb, bank->accdb_fork_id, clock_ );
1831 3 : if( FD_UNLIKELY( !clock ) ) FD_LOG_ERR(( "fd_sysvar_clock_read failed" ));
1832 :
1833 3 : if( FD_UNLIKELY( !valid_producer_time( bank, accdb, producer_time_nanos ) ) ) return -1;
1834 :
1835 3 : fd_epoch_schedule_t const * epoch_schedule = &bank->f.epoch_schedule;
1836 3 : ulong current_epoch = fd_slot_to_epoch( epoch_schedule, bank->f.slot, NULL );
1837 3 : ulong parent_epoch = fd_slot_to_epoch( epoch_schedule, bank->f.parent_slot, NULL );
1838 :
1839 3 : long epoch_start_timestamp = clock->epoch_start_timestamp;
1840 3 : if( FD_UNLIKELY( bank->f.slot && parent_epoch!=current_epoch ) ) epoch_start_timestamp = unix_timestamp;
1841 :
1842 3 : fd_sol_sysvar_clock_t new_clock = {
1843 3 : .slot = bank->f.slot,
1844 3 : .epoch_start_timestamp = epoch_start_timestamp,
1845 3 : .epoch = current_epoch,
1846 3 : .leader_schedule_epoch = fd_slot_to_leader_schedule_epoch( epoch_schedule, bank->f.slot ),
1847 3 : .unix_timestamp = unix_timestamp,
1848 3 : };
1849 3 : fd_sysvar_account_update( bank, accdb, capture_ctx, &fd_sysvar_clock_id, &new_clock, sizeof(fd_sol_sysvar_clock_t) );
1850 :
1851 : /* size the alpenclock balance with exactly the default rent, any
1852 : excess lamports must be burned */
1853 3 : fd_pubkey_t alpenclock_addr;
1854 3 : fd_alpenglow_pda( "alpenclock", &alpenclock_addr );
1855 3 : uchar data[ 8UL ];
1856 3 : FD_STORE( ulong, data, producer_time_nanos );
1857 3 : fd_accdb_svm_update_t update[1];
1858 3 : fd_acc_t acc = fd_accdb_svm_open_rw( bank, accdb, update, &alpenclock_addr, 1 );
1859 3 : acc.lamports = fd_rent_exempt_minimum_balance( &FD_RENT_DEFAULT_PARAMS, sizeof(data) );
1860 3 : fd_memcpy( acc.owner, fd_solana_system_program_id.uc, sizeof(fd_pubkey_t) );
1861 3 : acc.executable = 0;
1862 3 : acc.data_len = sizeof(data);
1863 3 : fd_memcpy( acc.data, data, sizeof(data) );
1864 3 : fd_accdb_svm_close_rw( bank, accdb, capture_ctx, &acc, update );
1865 :
1866 3 : return 0;
1867 3 : }
1868 :
1869 : static int
1870 : apply_footer( fd_bank_t * bank,
1871 : fd_accdb_t * accdb,
1872 : fd_capture_ctx_t * capture_ctx,
1873 : fd_block_footer_t const * footer,
1874 : int verify,
1875 : ushort shred_version,
1876 3 : fd_footer_cache_t * cache ) {
1877 :
1878 : /* leader bank's certs were verified by votor */
1879 3 : if( FD_UNLIKELY( verify && !bank->is_leader && fd_alpenglow_footer_verify( bank, footer, shred_version, cache ) ) ) return -1;
1880 :
1881 0 : if( FD_UNLIKELY( apply_footer_clock( bank, accdb, capture_ctx, footer ) ) ) return -1;
1882 :
1883 0 : return fd_alpenglow_rewards_apply( bank, accdb, capture_ctx, cache, footer );
1884 0 : }
1885 :
1886 : int
1887 : fd_runtime_block_execute_finalize( fd_bank_t * bank,
1888 : fd_accdb_t * accdb,
1889 : fd_capture_ctx_t * capture_ctx,
1890 : fd_block_footer_t const * footer,
1891 : ushort shred_version,
1892 402 : fd_footer_cache_t * cache ) {
1893 402 : if( FD_UNLIKELY( footer && apply_footer( bank, accdb, capture_ctx, footer, 1, shred_version, cache ) ) ) return -1;
1894 399 : fd_runtime_freeze_sysvars( bank, accdb, capture_ctx );
1895 399 : fd_runtime_freeze_fees( bank, accdb, capture_ctx );
1896 399 : fd_runtime_update_bank_hash( bank, capture_ctx );
1897 399 : return 0;
1898 402 : }
1899 :
1900 : int
1901 : fd_runtime_block_footer_begin( fd_bank_t * bank,
1902 : fd_accdb_t * accdb,
1903 : fd_block_footer_t const * footer,
1904 3 : fd_alpenglow_rewards_plan_t * plan ) {
1905 3 : FD_TEST( footer && !bank->is_leader && !fd_bank_report_runtime_diffs( bank ) );
1906 3 : if( FD_UNLIKELY( apply_footer_clock( bank, accdb, NULL, footer ) ) ) return -1;
1907 3 : return fd_alpenglow_rewards_plan( bank, accdb, footer, plan );
1908 3 : }
1909 :
1910 : void
1911 : fd_runtime_block_footer_end( fd_bank_t * bank,
1912 : fd_accdb_t * accdb,
1913 : fd_footer_cache_t * cache,
1914 : fd_alpenglow_rewards_plan_t const * plan,
1915 3 : ulong leader_credits ) {
1916 3 : fd_lthash_value_t delta[1];
1917 3 : fd_lthash_zero( delta );
1918 3 : fd_alpenglow_rewards_apply_leader( bank, accdb, NULL, cache, plan, leader_credits, delta );
1919 3 : fd_lthash_add( fd_bank_lthash_locking_modify( bank ), delta );
1920 3 : fd_bank_lthash_end_locking_modify( bank );
1921 3 : fd_runtime_freeze_fees( bank, accdb, NULL );
1922 3 : fd_runtime_update_bank_hash( bank, NULL );
1923 3 : }
1924 :
1925 : /* Mirrors Agave function solana_sdk::transaction_context::find_index_of_account
1926 :
1927 : Backward scan over transaction accounts. Returns ULONG_MAX if not found.
1928 :
1929 : https://github.com/anza-xyz/agave/blob/v2.1.14/sdk/src/transaction_context.rs#L233-L238 */
1930 :
1931 : ulong
1932 : fd_runtime_find_index_of_account( fd_txn_out_t const * txn_out,
1933 13920 : fd_pubkey_t const * pubkey ) {
1934 34284 : for( ulong i=0UL; i<txn_out->accounts.cnt; i++ ) {
1935 31167 : if( FD_UNLIKELY( !memcmp( pubkey, &txn_out->accounts.keys[ txn_out->accounts.cnt-1UL-i ], sizeof(fd_pubkey_t) ) ) ) return txn_out->accounts.cnt-1UL-i;
1936 31167 : }
1937 3117 : return ULONG_MAX;
1938 13920 : }
1939 :
1940 : fd_acc_t *
1941 : fd_runtime_get_account_at_index( fd_txn_in_t const * txn_in,
1942 : fd_txn_out_t * txn_out,
1943 : ushort idx,
1944 33471 : fd_txn_account_condition_fn_t * condition ) {
1945 33471 : if( FD_UNLIKELY( idx>=txn_out->accounts.cnt ) ) return NULL;
1946 33471 : if( FD_LIKELY( condition && !condition( txn_in, txn_out, idx ) ) ) return NULL;
1947 33297 : return txn_out->accounts.account[ idx ];
1948 33471 : }
1949 :
1950 : fd_acc_t *
1951 : fd_runtime_get_executable_account( fd_txn_out_t * txn_out,
1952 : fd_pubkey_t const * pubkey,
1953 : int * from_parent_copy,
1954 72 : int * pd_write_this_slot ) {
1955 : /* First try to fetch the executable account from the existing
1956 : borrowed accounts. If the pubkey is in the account keys, then we
1957 : want to re-use that borrowed account since it reflects changes from
1958 : prior instructions. Referencing the read-only executable accounts
1959 : list is incorrect behavior when the program data account is written
1960 : to in a prior instruction (e.g. program upgrade + invoke within the
1961 : same txn) */
1962 :
1963 72 : if( FD_UNLIKELY( from_parent_copy ) ) *from_parent_copy = 0;
1964 72 : if( FD_UNLIKELY( pd_write_this_slot ) ) *pd_write_this_slot = 0;
1965 :
1966 72 : ulong account_idx = fd_runtime_find_index_of_account( txn_out, pubkey );
1967 72 : if( FD_LIKELY( account_idx!=ULONG_MAX && txn_out->accounts.account[ account_idx ]->lamports ) ) return txn_out->accounts.account[ account_idx ];
1968 :
1969 69 : for( ushort i=0; i<txn_out->accounts.executable_cnt; i++ ) {
1970 36 : fd_acc_t * ro = txn_out->accounts.executable[ i ];
1971 36 : if( FD_UNLIKELY( !memcmp( pubkey->uc, ro->pubkey, 32UL ) ) ) {
1972 36 : if( FD_UNLIKELY( !ro->lamports ) ) return NULL;
1973 33 : if( FD_UNLIKELY( from_parent_copy ) ) *from_parent_copy = txn_out->accounts.executable_from_parent[ i ];
1974 33 : if( FD_UNLIKELY( pd_write_this_slot ) ) *pd_write_this_slot = txn_out->accounts.executable_pd_write[ i ];
1975 33 : return ro;
1976 36 : }
1977 36 : }
1978 :
1979 33 : return NULL;
1980 69 : }
1981 :
1982 : int
1983 : fd_runtime_get_key_of_account_at_index( fd_txn_out_t * txn_out,
1984 : ushort idx,
1985 26454 : fd_pubkey_t const * * key ) {
1986 : /* Return a MissingAccount error if idx is out of bounds.
1987 : https://github.com/anza-xyz/agave/blob/v3.1.4/transaction-context/src/lib.rs#L187 */
1988 26454 : if( FD_UNLIKELY( idx>=txn_out->accounts.cnt ) ) {
1989 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_ACC;
1990 0 : }
1991 :
1992 26454 : *key = &txn_out->accounts.keys[ idx ];
1993 26454 : return FD_EXECUTOR_INSTR_SUCCESS;
1994 26454 : }
1995 :
1996 : /* https://github.com/anza-xyz/agave/blob/v2.1.1/sdk/program/src/message/versions/v0/loaded.rs#L162 */
1997 : int
1998 : fd_txn_account_is_demotion( const int idx,
1999 : const fd_txn_t * txn_descriptor,
2000 2790 : const uint bpf_upgradeable_in_txn ) {
2001 2790 : uint is_program = 0U;
2002 5289 : for( ulong j=0UL; j<txn_descriptor->instr_cnt; j++ ) {
2003 2505 : if( txn_descriptor->instr[j].program_id == idx ) {
2004 6 : is_program = 1U;
2005 6 : break;
2006 6 : }
2007 2505 : }
2008 :
2009 2790 : return (is_program && !bpf_upgradeable_in_txn);
2010 2790 : }
2011 :
2012 : uint
2013 : fd_txn_account_has_bpf_loader_upgradeable( fd_pubkey_t const * account_keys,
2014 4326 : ulong accounts_cnt ) {
2015 26667 : for( ulong j=0; j<accounts_cnt; j++ ) {
2016 22710 : const fd_pubkey_t * acc = &account_keys[j];
2017 22710 : if ( memcmp( acc->uc, fd_solana_bpf_loader_upgradeable_program_id.key, sizeof(fd_pubkey_t) ) == 0 ) {
2018 369 : return 1U;
2019 369 : }
2020 22710 : }
2021 3957 : return 0U;
2022 4326 : }
2023 :
2024 : static inline int
2025 : fd_runtime_account_is_writable_idx_flat( const ushort idx,
2026 : const fd_pubkey_t * addr_at_idx,
2027 : const fd_txn_t * txn_descriptor,
2028 5196 : const uint bpf_upgradeable_in_txn ) {
2029 : /* https://github.com/anza-xyz/agave/blob/v2.1.11/sdk/program/src/message/sanitized.rs#L43 */
2030 5196 : if( !fd_txn_is_writable( txn_descriptor, idx ) ) {
2031 2394 : return 0;
2032 2394 : }
2033 :
2034 : /* See comments in fd_system_ids.h.
2035 : https://github.com/anza-xyz/agave/blob/v2.1.11/sdk/program/src/message/sanitized.rs#L44 */
2036 2802 : if( fd_pubkey_is_active_reserved_key( addr_at_idx ) ||
2037 2802 : fd_pubkey_is_pending_reserved_key( addr_at_idx ) ) {
2038 :
2039 12 : return 0;
2040 12 : }
2041 :
2042 2790 : if( fd_txn_account_is_demotion( idx, txn_descriptor, bpf_upgradeable_in_txn ) ) {
2043 6 : return 0;
2044 6 : }
2045 :
2046 2784 : return 1;
2047 2790 : }
2048 :
2049 :
2050 : /* This function aims to mimic the writable accounts check to populate the writable accounts cache, used
2051 : to determine if accounts are writable or not.
2052 :
2053 : https://github.com/anza-xyz/agave/blob/v2.1.11/sdk/program/src/message/sanitized.rs#L38-L47 */
2054 : int
2055 : fd_runtime_account_is_writable_idx( fd_txn_in_t const * txn_in,
2056 : fd_txn_out_t const * txn_out,
2057 4134 : ushort idx ) {
2058 4134 : uint bpf_upgradeable = fd_txn_account_has_bpf_loader_upgradeable( txn_out->accounts.keys, txn_out->accounts.cnt );
2059 4134 : return fd_runtime_account_is_writable_idx_flat( idx,
2060 4134 : &txn_out->accounts.keys[idx],
2061 4134 : TXN( txn_in->txn ),
2062 4134 : bpf_upgradeable );
2063 4134 : }
2064 :
2065 : /* Account pre-condition filtering functions */
2066 :
2067 : int
2068 : fd_runtime_account_check_exists( fd_txn_in_t const * txn_in,
2069 : fd_txn_out_t * txn_out,
2070 3258 : ushort idx ) {
2071 3258 : (void) txn_in;
2072 3258 : return txn_out->accounts.account[ idx ]->lamports!=0UL;
2073 3258 : }
2074 :
2075 : int
2076 : fd_runtime_account_check_fee_payer_writable( fd_txn_in_t const * txn_in,
2077 : fd_txn_out_t * txn_out,
2078 717 : ushort idx ) {
2079 717 : (void) txn_out;
2080 717 : return fd_txn_is_writable( TXN( txn_in->txn ), idx );
2081 717 : }
2082 :
2083 :
2084 : int
2085 : fd_account_meta_checked_sub_lamports( fd_acc_t * acc,
2086 606 : ulong lamports ) {
2087 606 : ulong balance_post = 0UL;
2088 606 : int err = fd_ulong_checked_sub( acc->lamports, lamports, &balance_post );
2089 606 : if( FD_UNLIKELY( err ) ) return FD_EXECUTOR_INSTR_ERR_ARITHMETIC_OVERFLOW;
2090 :
2091 606 : acc->lamports = balance_post;
2092 606 : return FD_EXECUTOR_INSTR_SUCCESS;
2093 606 : }
2094 :
2095 : /* fd_executor_reuse_bundle_executable scans the runtime's deduplicated
2096 : account pools for a programdata account matching programdata_key that
2097 : was already opened by an earlier transaction in the bundle (either as
2098 : a regular transaction account or as a programdata account). Returns
2099 : the existing fd_acc_t so it can be reused instead of re-acquiring it,
2100 : or NULL if none is found. Must only be called for bundle txns. */
2101 :
2102 : static fd_acc_t *
2103 : reuse_bundle_executable( fd_runtime_t * runtime,
2104 39 : fd_pubkey_t const * programdata_key ) {
2105 114 : for( ulong j=0UL; j<runtime->accounts.account_cnt; j++ ) {
2106 96 : if( FD_LIKELY( !fd_pubkey_eq( fd_type_pun_const( &runtime->accounts.account[ j ].pubkey ), programdata_key ) ) ) continue;
2107 21 : return &runtime->accounts.account[ j ];
2108 96 : }
2109 18 : for( ulong j=0UL; j<runtime->accounts.executable_cnt; j++ ) {
2110 6 : if( FD_LIKELY( !fd_pubkey_eq( fd_type_pun_const( &runtime->accounts.executable[ j ].pubkey ), programdata_key ) ) ) continue;
2111 6 : return &runtime->accounts.executable[ j ];
2112 6 : }
2113 12 : return NULL;
2114 18 : }
2115 :
2116 : int
2117 : fd_runtime_prepare_bundle_accounts( fd_runtime_t * runtime,
2118 : fd_bank_t * bank,
2119 : fd_txn_in_t const * txn_ins,
2120 : fd_txn_out_t * txn_outs,
2121 96 : ulong txn_cnt ) {
2122 :
2123 96 : # define FD_BUNDLE_ACCT_MAX (FD_PACK_MAX_TXN_PER_BUNDLE*MAX_TX_ACCOUNT_LOCKS)
2124 :
2125 96 : runtime->accounts.account_cnt = 0UL;
2126 96 : runtime->accounts.executable_cnt = 0UL;
2127 :
2128 96 : fd_runtime_sysvar_cache_refresh( runtime, bank );
2129 :
2130 96 : uchar const * acquire_pubkeys[ FD_BUNDLE_ACCT_MAX ];
2131 96 : int acquire_writable[ FD_BUNDLE_ACCT_MAX ];
2132 96 : ulong acquire_cnt = 0UL;
2133 :
2134 : /* First resolve a deduped set of account keys for all txns in the
2135 : bundle. This includes static account keys as well as ALUT resolved
2136 : addresses. */
2137 :
2138 288 : for( ulong i=0UL; i<txn_cnt; i++ ) {
2139 204 : fd_txn_in_t const * txn_in = &txn_ins [ i ];
2140 204 : fd_txn_out_t * txn_out = &txn_outs[ i ];
2141 :
2142 204 : txn_out->accounts.cnt = (uchar)TXN( txn_in->txn )->acct_addr_cnt;
2143 204 : fd_pubkey_t * tx_accs = (fd_pubkey_t *)((uchar *)txn_in->txn->payload + TXN( txn_in->txn )->acct_addr_off);
2144 1296 : for( ulong j=0UL; j<TXN( txn_in->txn )->acct_addr_cnt; j++ ) {
2145 1092 : txn_out->accounts.keys[ j ] = tx_accs[ j ];
2146 1092 : txn_out->accounts.account[ j ] = NULL;
2147 1092 : txn_out->accounts.account_acquired[ j ] = 0U;
2148 1092 : }
2149 :
2150 204 : int err = fd_executor_setup_txn_alut_account_keys( runtime, bank, txn_in, txn_out );
2151 204 : for( ulong j=TXN( txn_in->txn )->acct_addr_cnt; j<txn_out->accounts.cnt; j++ ) {
2152 0 : txn_out->accounts.account[ j ] = NULL;
2153 0 : txn_out->accounts.account_acquired[ j ] = 0U;
2154 0 : }
2155 : /* Validate account locks before the union acquire below, bounding
2156 : the deduped set within the accdb acquire limit. */
2157 204 : if( FD_LIKELY( err==FD_RUNTIME_EXECUTE_SUCCESS ) ) err = fd_executor_validate_account_locks( txn_out );
2158 204 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
2159 12 : txn_out->err.txn_err = err;
2160 12 : return err;
2161 12 : }
2162 :
2163 192 : uint bpf_upgradeable = fd_txn_account_has_bpf_loader_upgradeable( txn_out->accounts.keys, txn_out->accounts.cnt );
2164 1254 : for( ushort j=0; j<txn_out->accounts.cnt; j++ ) {
2165 1062 : fd_pubkey_t const * key = &txn_out->accounts.keys[ j ];
2166 1062 : int writable = fd_runtime_account_is_writable_idx_flat( j, key, TXN( txn_in->txn ), bpf_upgradeable );
2167 1062 : int dup = 0;
2168 4725 : for( ulong k=0UL; k<acquire_cnt; k++ ) if( FD_UNLIKELY( !memcmp( acquire_pubkeys[ k ], key->uc, 32UL ) ) ) { acquire_writable[ k ] |= writable; dup = 1; break; }
2169 1062 : if( FD_UNLIKELY( dup ) ) continue;
2170 546 : FD_TEST( acquire_cnt<FD_BUNDLE_ACCT_MAX );
2171 546 : acquire_pubkeys [ acquire_cnt ] = key->uc;
2172 : /* Acquire writable if any bundle member can write this account. */
2173 546 : acquire_writable[ acquire_cnt ] = writable;
2174 546 : acquire_cnt++;
2175 546 : }
2176 192 : }
2177 :
2178 84 : if( FD_LIKELY( acquire_cnt ) ) {
2179 84 : fd_accdb_acquire_a( runtime->accdb, bank->accdb_fork_id, acquire_cnt, acquire_pubkeys, acquire_writable, runtime->accounts.account );
2180 84 : runtime->accounts.account_cnt = acquire_cnt;
2181 84 : }
2182 :
2183 264 : for( ulong i=0UL; i<txn_cnt; i++ ) {
2184 180 : fd_txn_out_t * txn_out = &txn_outs[ i ];
2185 1206 : for( ushort j=0; j<txn_out->accounts.cnt; j++ ) {
2186 1026 : txn_out->accounts.account[ j ] = NULL;
2187 4647 : for( ulong k=0UL; k<runtime->accounts.account_cnt; k++ ) {
2188 4647 : fd_acc_t * acc = &runtime->accounts.account[ k ];
2189 4647 : if( FD_LIKELY( !fd_pubkey_eq( fd_type_pun_const( &acc->pubkey ), &txn_out->accounts.keys[ j ] ) ) ) continue;
2190 1026 : txn_out->accounts.account[ j ] = acc;
2191 1026 : txn_out->accounts.starting_lamports[ j ] = acc->prior_lamports;
2192 1026 : txn_out->accounts.starting_data_len[ j ] = acc->prior_data_len;
2193 1026 : memcpy( &txn_out->accounts.starting_owner[ j ], acc->prior_owner, sizeof(fd_pubkey_t) );
2194 1026 : break;
2195 4647 : }
2196 1026 : }
2197 180 : }
2198 :
2199 : /* Do the same for executable accounts (programdata accounts). Dedup
2200 : against all other executable-only accounts as well as ones that
2201 : were already included. */
2202 :
2203 84 : fd_pubkey_t programdata_keys[ FD_BUNDLE_ACCT_MAX ];
2204 84 : uchar const * pd_pubkeys [ FD_BUNDLE_ACCT_MAX ];
2205 84 : ulong pd_cnt = 0UL;
2206 :
2207 84 : FD_TEST( bank->parent_accdb_fork_id.val!=USHORT_MAX );
2208 :
2209 600 : for( ulong i=0UL; i<runtime->accounts.account_cnt; i++ ) {
2210 516 : fd_acc_t * acc = &runtime->accounts.account[ i ];
2211 516 : if( FD_LIKELY( memcmp( acc->owner, fd_solana_bpf_loader_upgradeable_program_id.key, 32UL ) ) ) continue;
2212 39 : fd_bpf_state_t program_loader_state[1];
2213 39 : if( FD_UNLIKELY( fd_bpf_loader_program_get_state( acc, program_loader_state )!=FD_EXECUTOR_INSTR_SUCCESS ) ) continue;
2214 39 : if( FD_UNLIKELY( program_loader_state->discriminant!=FD_BPF_STATE_PROGRAM ) ) continue;
2215 :
2216 24 : fd_pubkey_t const * programdata_key = &program_loader_state->inner.program.programdata_address;
2217 : /* PD is not live as of the parent, so there is nothing to acquire
2218 : from the parent. We will still need its latest length for loaded
2219 : accounts data size, but that is taken care of per transaction by
2220 : fd_runtime_setup_bundle_executables() without acquiring. */
2221 24 : if( FD_UNLIKELY( !fd_accdb_exists( runtime->accdb, bank->parent_accdb_fork_id, programdata_key->uc ) ) ) continue;
2222 :
2223 : /* Already part of the transaction account pool, or already queued. */
2224 12 : if( reuse_bundle_executable( runtime, programdata_key ) ) continue;
2225 6 : int dup = 0;
2226 6 : for( ulong u=0UL; u<pd_cnt; u++ ) if( FD_UNLIKELY( !memcmp( programdata_keys[ u ].uc, programdata_key->uc, 32UL ) ) ) { dup = 1; break; }
2227 6 : if( dup ) continue;
2228 :
2229 6 : FD_TEST( pd_cnt<FD_BUNDLE_ACCT_MAX );
2230 6 : programdata_keys[ pd_cnt ] = *programdata_key;
2231 6 : pd_pubkeys[ pd_cnt ] = programdata_keys[ pd_cnt ].uc;
2232 6 : pd_cnt++;
2233 6 : }
2234 :
2235 : /* acquire_b refunds the per-class reservations acquire_a made for the
2236 : union (reserved_cnt==acquire_cnt) that did not turn out to be
2237 : programdata. Skip it entirely for an empty bundle (nothing was
2238 : reserved and nothing is executable). */
2239 84 : if( FD_LIKELY( acquire_cnt || pd_cnt ) ) {
2240 84 : fd_accdb_acquire_b( runtime->accdb, bank->parent_accdb_fork_id, acquire_cnt, pd_cnt, pd_pubkeys, runtime->accounts.executable );
2241 84 : }
2242 84 : runtime->accounts.executable_cnt = pd_cnt;
2243 :
2244 84 : return FD_RUNTIME_EXECUTE_SUCCESS;
2245 :
2246 84 : # undef FD_BUNDLE_ACCT_MAX
2247 84 : }
2248 :
2249 : int
2250 : fd_runtime_setup_bundle_executables( fd_runtime_t * runtime,
2251 : fd_bank_t * bank,
2252 159 : fd_txn_out_t * txn_out ) {
2253 159 : FD_TEST( bank->parent_accdb_fork_id.val!=USHORT_MAX );
2254 :
2255 159 : ushort exe_cnt = 0;
2256 159 : txn_out->accounts.executable_skipped_cnt = 0;
2257 1128 : for( ushort i=0; i<txn_out->accounts.cnt; i++ ) {
2258 : /* The checks below mimic the ones in the non-bundle path. The
2259 : difference is only the source of state as of this transaction.
2260 : Here it's from the live pool when possible, and in the non-bundle
2261 : path it's from the accdb. */
2262 969 : fd_acc_t * acc = txn_out->accounts.account[ i ]; /* This has gone through zero-lamport reset by fd_executor_setup_accounts_for_txn_bundle(). */
2263 969 : if( FD_LIKELY( memcmp( acc->owner, fd_solana_bpf_loader_upgradeable_program_id.key, 32UL ) ) ) continue;
2264 51 : fd_bpf_state_t program_loader_state[1];
2265 51 : if( FD_UNLIKELY( fd_bpf_loader_program_get_state( acc, program_loader_state )!=FD_EXECUTOR_INSTR_SUCCESS ) ) continue;
2266 51 : if( FD_UNLIKELY( program_loader_state->discriminant!=FD_BPF_STATE_PROGRAM ) ) continue;
2267 :
2268 36 : fd_pubkey_t const * programdata_key = &program_loader_state->inner.program.programdata_address;
2269 :
2270 : /* Declared PD is charged as a plain top-level transaction account
2271 : and is preferred by fd_runtime_get_executable_account(). */
2272 36 : if( FD_UNLIKELY( fd_runtime_find_index_of_account( txn_out, programdata_key )!=ULONG_MAX ) ) continue;
2273 :
2274 27 : fd_acc_t * programdata = reuse_bundle_executable( runtime, programdata_key );
2275 :
2276 27 : if( FD_UNLIKELY( !fd_accdb_exists( runtime->accdb, bank->parent_accdb_fork_id, programdata_key->uc ) ) ) {
2277 : /* PD is not live as of the parent. Length only, and no
2278 : executable[] entry, so the loader reports "Program is not
2279 : deployed" exactly as the non-bundle path does. The non-bundle
2280 : path takes the length from the latest accdb view committed on
2281 : this fork. The equivalent here is the live pool copy, which an
2282 : earlier bundle transaction may have created, resized or
2283 : drained. Only a LIVE PD is recorded. Membership in the
2284 : skipped list is the liveness answer, so a dead PD is left out
2285 : entirely rather than recorded with a zero length: a live PD may
2286 : itself have zero-length data, and Agave still charges the
2287 : 64-byte base for that. */
2288 15 : ulong skip_len;
2289 15 : if( FD_LIKELY( programdata ) ) {
2290 : /* A dead PD must contribute nothing to loaded accounts data
2291 : size. Like every other consumer, the lamports need to be
2292 : checked first. The pool copy that programdata points to has
2293 : an up to date lamports, but it is not necessarily otherwise
2294 : normalized: zero length, non-executable, and system-owned.
2295 : The reset in setup_accounts_for_txn_bundle() only covers the
2296 : declared accounts of the transaction. If PD were declared,
2297 : it would have short circuited above. So an in-bundle Close
2298 : leaves PD here at zero lamports with length at
2299 : SIZE_OF_UNINITIALIZED. */
2300 9 : if( FD_UNLIKELY( !programdata->lamports ) ) continue;
2301 6 : skip_len = programdata->data_len;
2302 6 : } else {
2303 : /* At this point, this PD
2304 : - has no pool copy, so no bundle transaction declares PD, and
2305 : - it is not live on the parent.
2306 :
2307 : So PD was created this slot by something outside the bundle,
2308 : and only the latest accdb view has the length we need for
2309 : accounting. It may also have been created and closed within
2310 : this slot, in which case it is dead and contributes nothing. */
2311 6 : int probe_pd = 0;
2312 6 : ulong probe_len = 0UL;
2313 6 : ulong probe_lamports = 0UL;
2314 6 : if( FD_UNLIKELY( !fd_accdb_probe_pd_this_fork( runtime->accdb, bank->accdb_fork_id, programdata_key->uc, &probe_pd, &probe_len, &probe_lamports ) ) ) continue;
2315 6 : if( FD_UNLIKELY( !probe_lamports ) ) continue;
2316 3 : skip_len = probe_len;
2317 3 : }
2318 9 : ushort s = txn_out->accounts.executable_skipped_cnt++;
2319 9 : txn_out->accounts.executable_skipped_key[ s ] = *programdata_key;
2320 9 : txn_out->accounts.executable_skipped_len[ s ] = skip_len;
2321 9 : continue;
2322 15 : }
2323 :
2324 : /* At this point, PD exists in the parent. So prepare() must have
2325 : acquired PD, either in accounts[] if a bundle transaction
2326 : declares it, or in executable[] aka implied load from the parent.
2327 : A miss would imply that a pool account only began parsing as
2328 : Program{PD} after prepare() computed the acquire set, naming a PD
2329 : no bundle transaction declares. This should not be possible,
2330 : because only the DeployWithMaxDataLen instruction writes
2331 : Program{PD}. The instruction declares PD, and its CreateAccount
2332 : CPI cannot succeed against a PD that is already live on the
2333 : parent. We cannot acquire the PD at this point, since a
2334 : mid-bundle acquire of an account the bundle might be holding as
2335 : writable would violate the accdb acquire contract. So fail the
2336 : bundle. */
2337 12 : if( FD_UNLIKELY( !programdata ) ) {
2338 0 : FD_BASE58_ENCODE_32_BYTES( programdata_key->uc, pd_str );
2339 0 : FD_BASE58_ENCODE_64_BYTES( txn_out->details.signature.uc, sig_str );
2340 0 : FD_LOG_INFO(( "dropping bundle: bundle txn %s in slot %lu implies unacquired programdata %s", sig_str, bank->f.slot, pd_str ));
2341 0 : return FD_RUNTIME_TXN_ERR_PROGRAM_ACCOUNT_NOT_FOUND;
2342 0 : }
2343 :
2344 12 : int from_parent = ( programdata>=runtime->accounts.executable ) &&
2345 12 : ( programdata< runtime->accounts.executable+runtime->accounts.executable_cnt ) &&
2346 12 : ( bank->parent_accdb_fork_id.val!=bank->accdb_fork_id.val );
2347 12 : txn_out->accounts.executable[ exe_cnt ] = programdata;
2348 12 : txn_out->accounts.executable_from_parent[ exe_cnt ] = from_parent;
2349 12 : if( from_parent ) {
2350 : /* A from_parent copy is one no bundle transaction declared, hence
2351 : one no bundle transaction could have modified, because mutating
2352 : PD requires declaring it writable. So the probe from accdb
2353 : reports the latest state that we need. */
2354 6 : int pd = 0;
2355 6 : ulong len = ULONG_MAX;
2356 6 : ulong lamports = 0UL;
2357 6 : fd_accdb_probe_pd_this_fork( runtime->accdb, bank->accdb_fork_id, programdata_key->uc, &pd, &len, &lamports );
2358 6 : txn_out->accounts.executable_pd_write [ exe_cnt ] = pd;
2359 6 : txn_out->accounts.executable_cur_len [ exe_cnt ] = len;
2360 6 : txn_out->accounts.executable_cur_lamports[ exe_cnt ] = lamports;
2361 6 : } else {
2362 6 : txn_out->accounts.executable_pd_write [ exe_cnt ] = 0;
2363 6 : txn_out->accounts.executable_cur_len [ exe_cnt ] = ULONG_MAX;
2364 6 : txn_out->accounts.executable_cur_lamports[ exe_cnt ] = 0UL;
2365 6 : }
2366 12 : exe_cnt++;
2367 12 : }
2368 159 : txn_out->accounts.executable_cnt = exe_cnt;
2369 159 : return FD_RUNTIME_EXECUTE_SUCCESS;
2370 159 : }
|
