Line data Source code
1 : #include "fd_rewards.h"
2 : #include <math.h>
3 :
4 : #include "../runtime/fd_executor_err.h"
5 : #include "../runtime/fd_system_ids.h"
6 : #include "../runtime/fd_runtime.h"
7 : #include "../runtime/context/fd_exec_slot_ctx.h"
8 : #include "../../ballet/siphash13/fd_siphash13.h"
9 : #include "../runtime/program/fd_program_util.h"
10 :
11 : /* https://github.com/anza-xyz/agave/blob/cbc8320d35358da14d79ebcada4dfb6756ffac79/sdk/program/src/native_token.rs#L6 */
12 0 : #define LAMPORTS_PER_SOL (1000000000UL)
13 :
14 : /* Number of blocks for reward calculation and storing vote accounts.
15 : Distributing rewards to stake accounts begins AFTER this many blocks.
16 :
17 : https://github.com/anza-xyz/agave/blob/9a7bf72940f4b3cd7fc94f54e005868ce707d53d/runtime/src/bank/partitioned_epoch_rewards/mod.rs#L27 */
18 0 : #define REWARD_CALCULATION_NUM_BLOCKS (1UL)
19 :
20 : /* stake accounts to store in one block during partitioned reward interval. Target to store 64 rewards per entry/tick in a block. A block has a minimum of 64 entries/tick. This gives 4096 total rewards to store in one block. */
21 0 : #define STAKE_ACCOUNT_STORES_PER_BLOCK (4096UL)
22 :
23 : /* https://github.com/anza-xyz/agave/blob/2316fea4c0852e59c071f72d72db020017ffd7d0/runtime/src/bank/partitioned_epoch_rewards/mod.rs#L219 */
24 0 : #define MAX_FACTOR_OF_REWARD_BLOCKS_IN_EPOCH (10UL)
25 :
26 : /* https://github.com/anza-xyz/agave/blob/7117ed9653ce19e8b2dea108eff1f3eb6a3378a7/sdk/src/inflation.rs#L85 */
27 : static double
28 0 : total( fd_inflation_t const * inflation, double year ) {
29 0 : if ( FD_UNLIKELY( year == 0.0 ) ) {
30 0 : FD_LOG_ERR(( "inflation year 0" ));
31 0 : }
32 0 : double tapered = inflation->initial * pow( (1.0 - inflation->taper), year );
33 0 : return (tapered > inflation->terminal) ? tapered : inflation->terminal;
34 0 : }
35 :
36 : /* https://github.com/anza-xyz/agave/blob/7117ed9653ce19e8b2dea108eff1f3eb6a3378a7/sdk/src/inflation.rs#L102 */
37 : static double
38 0 : foundation( fd_inflation_t const * inflation, double year ) {
39 0 : return (year < inflation->foundation_term) ? inflation->foundation * total(inflation, year) : 0.0;
40 0 : }
41 :
42 : /* https://github.com/anza-xyz/agave/blob/7117ed9653ce19e8b2dea108eff1f3eb6a3378a7/sdk/src/inflation.rs#L97 */
43 : static double
44 0 : validator( fd_inflation_t const * inflation, double year) {
45 : /* https://github.com/firedancer-io/solana/blob/dab3da8e7b667d7527565bddbdbecf7ec1fb868e/sdk/src/inflation.rs#L96-L99 */
46 0 : FD_LOG_DEBUG(("Validator Rate: %.16f %.16f %.16f %.16f %.16f", year, total( inflation, year ), foundation( inflation, year ), inflation->taper, inflation->initial));
47 0 : return total( inflation, year ) - foundation( inflation, year );
48 0 : }
49 :
50 : /* Calculates the starting slot for inflation from the activation slot. The activation slot is the earliest
51 : activation slot of the following features:
52 : - devnet_and_testnet
53 : - full_inflation_enable, if full_inflation_vote has been activated
54 :
55 : https://github.com/anza-xyz/agave/blob/7117ed9653ce19e8b2dea108eff1f3eb6a3378a7/runtime/src/bank.rs#L2095 */
56 : static FD_FN_CONST ulong
57 0 : get_inflation_start_slot( fd_exec_slot_ctx_t * slot_ctx ) {
58 0 : ulong devnet_and_testnet = FD_FEATURE_ACTIVE( slot_ctx->slot_bank.slot, slot_ctx->epoch_ctx->features, devnet_and_testnet ) ? slot_ctx->epoch_ctx->features.devnet_and_testnet : ULONG_MAX;
59 :
60 0 : ulong enable = ULONG_MAX;
61 0 : if( FD_FEATURE_ACTIVE( slot_ctx->slot_bank.slot, slot_ctx->epoch_ctx->features, full_inflation_vote ) &&
62 0 : FD_FEATURE_ACTIVE( slot_ctx->slot_bank.slot, slot_ctx->epoch_ctx->features, full_inflation_enable ) ) {
63 0 : enable = slot_ctx->epoch_ctx->features.full_inflation_enable;
64 0 : }
65 :
66 0 : ulong min_slot = fd_ulong_min( enable, devnet_and_testnet );
67 0 : if( min_slot == ULONG_MAX ) {
68 0 : if( FD_FEATURE_ACTIVE( slot_ctx->slot_bank.slot, slot_ctx->epoch_ctx->features, pico_inflation ) ) {
69 0 : min_slot = slot_ctx->epoch_ctx->features.pico_inflation;
70 0 : } else {
71 0 : min_slot = 0;
72 0 : }
73 0 : }
74 0 : return min_slot;
75 0 : }
76 :
77 : /* https://github.com/anza-xyz/agave/blob/7117ed9653ce19e8b2dea108eff1f3eb6a3378a7/runtime/src/bank.rs#L2110 */
78 : static ulong
79 : get_inflation_num_slots( fd_exec_slot_ctx_t * slot_ctx,
80 : fd_epoch_schedule_t const * epoch_schedule,
81 0 : ulong slot ) {
82 0 : ulong inflation_activation_slot = get_inflation_start_slot( slot_ctx );
83 0 : ulong inflation_start_slot = fd_epoch_slot0( epoch_schedule,
84 0 : fd_ulong_sat_sub( fd_slot_to_epoch( epoch_schedule,
85 0 : inflation_activation_slot, NULL ),
86 0 : 1UL ) );
87 :
88 0 : ulong epoch = fd_slot_to_epoch( epoch_schedule, slot, NULL );
89 :
90 0 : return fd_epoch_slot0( epoch_schedule, epoch ) - inflation_start_slot;
91 0 : }
92 :
93 : /* https://github.com/anza-xyz/agave/blob/7117ed9653ce19e8b2dea108eff1f3eb6a3378a7/runtime/src/bank.rs#L2121 */
94 : static double
95 0 : slot_in_year_for_inflation( fd_exec_slot_ctx_t * slot_ctx ) {
96 0 : fd_epoch_bank_t const * epoch_bank = fd_exec_epoch_ctx_epoch_bank( slot_ctx->epoch_ctx );
97 0 : ulong num_slots = get_inflation_num_slots( slot_ctx, &epoch_bank->epoch_schedule, slot_ctx->slot_bank.slot );
98 0 : return (double)num_slots / (double)epoch_bank->slots_per_year;
99 0 : }
100 :
101 : /* For a given stake and vote_state, calculate how many points were earned (credits * stake) and new value
102 : for credits_observed were the points paid
103 :
104 : https://github.com/anza-xyz/agave/blob/cbc8320d35358da14d79ebcada4dfb6756ffac79/programs/stake/src/points.rs#L109 */
105 : static void
106 : calculate_stake_points_and_credits( fd_stake_history_t const * stake_history,
107 : fd_stake_t const * stake,
108 : fd_vote_state_versioned_t * vote_state_versioned,
109 : ulong * new_rate_activation_epoch,
110 0 : fd_calculated_stake_points_t * result ) {
111 :
112 0 : ulong credits_in_stake = stake->credits_observed;
113 :
114 0 : fd_vote_epoch_credits_t * epoch_credits;
115 0 : switch( vote_state_versioned->discriminant ) {
116 0 : case fd_vote_state_versioned_enum_current:
117 0 : epoch_credits = vote_state_versioned->inner.current.epoch_credits;
118 0 : break;
119 0 : case fd_vote_state_versioned_enum_v0_23_5:
120 0 : epoch_credits = vote_state_versioned->inner.v0_23_5.epoch_credits;
121 0 : break;
122 0 : case fd_vote_state_versioned_enum_v1_14_11:
123 0 : epoch_credits = vote_state_versioned->inner.v1_14_11.epoch_credits;
124 0 : break;
125 0 : default:
126 0 : FD_LOG_ERR(( "invalid vote account, should never happen" ));
127 0 : }
128 :
129 0 : ulong credits_in_vote = 0UL;
130 0 : if( FD_LIKELY( !deq_fd_vote_epoch_credits_t_empty( epoch_credits ) ) ) {
131 0 : credits_in_vote = deq_fd_vote_epoch_credits_t_peek_tail_const( epoch_credits )->credits;
132 0 : }
133 :
134 : /* If the Vote account has less credits observed than the Stake account,
135 : something is wrong and we need to force an update.
136 :
137 : https://github.com/anza-xyz/agave/blob/cbc8320d35358da14d79ebcada4dfb6756ffac79/programs/stake/src/points.rs#L142 */
138 0 : if( FD_UNLIKELY( credits_in_vote < credits_in_stake ) ) {
139 0 : result->points = 0;
140 0 : result->new_credits_observed = credits_in_vote;
141 0 : result->force_credits_update_with_skipped_reward = 1;
142 0 : return;
143 0 : }
144 :
145 : /* If the Vote account has the same amount of credits observed as the Stake account,
146 : then the Vote account hasn't earnt any credits and so there is nothing to update.
147 :
148 : https://github.com/anza-xyz/agave/blob/cbc8320d35358da14d79ebcada4dfb6756ffac79/programs/stake/src/points.rs#L148 */
149 0 : if( FD_UNLIKELY( credits_in_vote == credits_in_stake ) ) {
150 0 : result->points = 0;
151 0 : result->new_credits_observed = credits_in_vote;
152 0 : result->force_credits_update_with_skipped_reward = 0;
153 0 : return;
154 0 : }
155 :
156 : /* Calculate the points for each epoch credit */
157 0 : uint128 points = 0;
158 0 : ulong new_credits_observed = credits_in_stake;
159 0 : for( deq_fd_vote_epoch_credits_t_iter_t iter = deq_fd_vote_epoch_credits_t_iter_init( epoch_credits );
160 0 : !deq_fd_vote_epoch_credits_t_iter_done( epoch_credits, iter );
161 0 : iter = deq_fd_vote_epoch_credits_t_iter_next( epoch_credits, iter ) ) {
162 :
163 0 : fd_vote_epoch_credits_t * ele = deq_fd_vote_epoch_credits_t_iter_ele( epoch_credits, iter );
164 0 : ulong final_epoch_credits = ele->credits;
165 0 : ulong initial_epoch_credits = ele->prev_credits;
166 0 : uint128 earned_credits = 0;
167 0 : if( FD_LIKELY( credits_in_stake < initial_epoch_credits ) ) {
168 0 : earned_credits = (uint128)(final_epoch_credits - initial_epoch_credits);
169 0 : } else if( FD_UNLIKELY( credits_in_stake < final_epoch_credits ) ) {
170 0 : earned_credits = (uint128)(final_epoch_credits - new_credits_observed);
171 0 : }
172 :
173 0 : new_credits_observed = fd_ulong_max( new_credits_observed, final_epoch_credits );
174 :
175 0 : ulong stake_amount = fd_stake_activating_and_deactivating( &stake->delegation, ele->epoch, stake_history, new_rate_activation_epoch ).effective;
176 :
177 0 : points += (uint128)stake_amount * earned_credits;
178 0 : }
179 :
180 0 : result->points = points;
181 0 : result->new_credits_observed = new_credits_observed;
182 0 : result->force_credits_update_with_skipped_reward = 0;
183 0 : }
184 :
185 : /* https://github.com/anza-xyz/agave/blob/cbc8320d35358da14d79ebcada4dfb6756ffac79/programs/stake/src/rewards.rs#L127 */
186 : static int
187 : calculate_stake_rewards( fd_stake_history_t const * stake_history,
188 : fd_stake_t const * stake,
189 : fd_vote_state_versioned_t * vote_state_versioned,
190 : ulong rewarded_epoch,
191 : fd_point_value_t * point_value,
192 : ulong * new_rate_activation_epoch,
193 0 : fd_calculated_stake_rewards_t * result ) {
194 0 : fd_calculated_stake_points_t stake_points_result = {0};
195 0 : calculate_stake_points_and_credits( stake_history, stake, vote_state_versioned, new_rate_activation_epoch, &stake_points_result);
196 :
197 : // Drive credits_observed forward unconditionally when rewards are disabled
198 : // or when this is the stake's activation epoch
199 0 : if( ( point_value->rewards==0UL ) ||
200 0 : ( stake->delegation.activation_epoch==rewarded_epoch ) ) {
201 0 : stake_points_result.force_credits_update_with_skipped_reward |= 1;
202 0 : }
203 :
204 0 : if( stake_points_result.force_credits_update_with_skipped_reward ) {
205 0 : result->staker_rewards = 0;
206 0 : result->voter_rewards = 0;
207 0 : result->new_credits_observed = stake_points_result.new_credits_observed;
208 0 : return 0;
209 0 : }
210 0 : if( stake_points_result.points == 0 || point_value->points == 0 ) {
211 0 : return 1;
212 0 : }
213 :
214 : /* FIXME: need to error out if the conversion from uint128 to u64 fails, also use 128 checked mul and div */
215 0 : ulong rewards = (ulong)(stake_points_result.points * (uint128)(point_value->rewards) / (uint128) point_value->points);
216 0 : if( rewards == 0 ) {
217 0 : return 1;
218 0 : }
219 :
220 0 : fd_commission_split_t split_result;
221 0 : fd_vote_commission_split( vote_state_versioned, rewards, &split_result );
222 0 : if( split_result.is_split && (split_result.voter_portion == 0 || split_result.staker_portion == 0) ) {
223 0 : return 1;
224 0 : }
225 :
226 0 : result->staker_rewards = split_result.staker_portion;
227 0 : result->voter_rewards = split_result.voter_portion;
228 0 : result->new_credits_observed = stake_points_result.new_credits_observed;
229 0 : return 0;
230 0 : }
231 :
232 : /* https://github.com/anza-xyz/agave/blob/cbc8320d35358da14d79ebcada4dfb6756ffac79/programs/stake/src/rewards.rs#L33 */
233 : static int
234 : redeem_rewards( fd_stake_history_t const * stake_history,
235 : fd_stake_t const * stake,
236 : fd_vote_state_versioned_t * vote_state_versioned,
237 : ulong rewarded_epoch,
238 : fd_point_value_t * point_value,
239 : ulong * new_rate_activation_epoch,
240 0 : fd_calculated_stake_rewards_t * calculated_stake_rewards) {
241 :
242 0 : int rc = calculate_stake_rewards( stake_history, stake, vote_state_versioned, rewarded_epoch, point_value, new_rate_activation_epoch, calculated_stake_rewards );
243 0 : if( FD_UNLIKELY( rc!=0 ) ) {
244 0 : return rc;
245 0 : }
246 :
247 0 : return FD_EXECUTOR_INSTR_SUCCESS;
248 0 : }
249 :
250 : /* https://github.com/anza-xyz/agave/blob/cbc8320d35358da14d79ebcada4dfb6756ffac79/programs/stake/src/points.rs#L70 */
251 : static int
252 : calculate_points( fd_stake_t const * stake,
253 : fd_vote_state_versioned_t * vote_state_versioned,
254 : fd_stake_history_t const * stake_history,
255 : ulong * new_rate_activation_epoch,
256 0 : uint128 * result ) {
257 0 : fd_calculated_stake_points_t stake_point_result;
258 0 : calculate_stake_points_and_credits( stake_history, stake, vote_state_versioned, new_rate_activation_epoch, &stake_point_result );
259 0 : *result = stake_point_result.points;
260 :
261 0 : return FD_EXECUTOR_INSTR_SUCCESS;
262 0 : }
263 :
264 : /* Returns the length of the given epoch in slots
265 :
266 : https://github.com/anza-xyz/agave/blob/cbc8320d35358da14d79ebcada4dfb6756ffac79/sdk/program/src/epoch_schedule.rs#L103 */
267 : static ulong
268 : get_slots_in_epoch( ulong epoch,
269 0 : fd_epoch_bank_t const * epoch_bank ) {
270 0 : return (epoch < epoch_bank->epoch_schedule.first_normal_epoch) ?
271 0 : 1UL << fd_ulong_sat_add(epoch, FD_EPOCH_LEN_MIN_TRAILING_ZERO) :
272 0 : epoch_bank->epoch_schedule.slots_per_epoch;
273 0 : }
274 :
275 : /* https://github.com/anza-xyz/agave/blob/cbc8320d35358da14d79ebcada4dfb6756ffac79/runtime/src/bank.rs#L2082 */
276 : static double
277 : epoch_duration_in_years( fd_epoch_bank_t const * epoch_bank,
278 0 : ulong prev_epoch ) {
279 0 : ulong slots_in_epoch = get_slots_in_epoch( prev_epoch, epoch_bank );
280 0 : return (double)slots_in_epoch / (double) epoch_bank->slots_per_year;
281 0 : }
282 :
283 : /* https://github.com/anza-xyz/agave/blob/7117ed9653ce19e8b2dea108eff1f3eb6a3378a7/runtime/src/bank.rs#L2128 */
284 : static void
285 : calculate_previous_epoch_inflation_rewards( fd_exec_slot_ctx_t * slot_ctx,
286 : ulong prev_epoch_capitalization,
287 : ulong prev_epoch,
288 0 : fd_prev_epoch_inflation_rewards_t * rewards ) {
289 0 : double slot_in_year = slot_in_year_for_inflation( slot_ctx );
290 :
291 0 : fd_epoch_bank_t const * epoch_bank = fd_exec_epoch_ctx_epoch_bank( slot_ctx->epoch_ctx );
292 0 : rewards->validator_rate = validator( &epoch_bank->inflation, slot_in_year );
293 0 : rewards->foundation_rate = foundation( &epoch_bank->inflation, slot_in_year );
294 0 : rewards->prev_epoch_duration_in_years = epoch_duration_in_years( epoch_bank, prev_epoch );
295 0 : rewards->validator_rewards = (ulong)(rewards->validator_rate * (double)prev_epoch_capitalization * rewards->prev_epoch_duration_in_years);
296 0 : FD_LOG_DEBUG(( "Rewards %lu, Rate %.16f, Duration %.18f Capitalization %lu Slot in year %.16f", rewards->validator_rewards, rewards->validator_rate, rewards->prev_epoch_duration_in_years, prev_epoch_capitalization, slot_in_year ));
297 0 : }
298 :
299 : /* https://github.com/anza-xyz/agave/blob/cbc8320d35358da14d79ebcada4dfb6756ffac79/programs/stake/src/lib.rs#L29 */
300 : static ulong
301 0 : get_minimum_stake_delegation( fd_exec_slot_ctx_t * slot_ctx ) {
302 0 : if( !FD_FEATURE_ACTIVE( slot_ctx->slot_bank.slot, slot_ctx->epoch_ctx->features, stake_minimum_delegation_for_rewards ) ) {
303 0 : return 0UL;
304 0 : }
305 :
306 0 : if( FD_FEATURE_ACTIVE( slot_ctx->slot_bank.slot, slot_ctx->epoch_ctx->features, stake_raise_minimum_delegation_to_1_sol ) ) {
307 0 : return LAMPORTS_PER_SOL;
308 0 : }
309 :
310 0 : return 1;
311 0 : }
312 :
313 : static void
314 : calculate_points_tpool( void *tpool,
315 : ulong t0 FD_PARAM_UNUSED, ulong t1 FD_PARAM_UNUSED,
316 : void *args,
317 : void *reduce FD_PARAM_UNUSED, ulong stride FD_PARAM_UNUSED,
318 : ulong l0 FD_PARAM_UNUSED, ulong l1 FD_PARAM_UNUSED,
319 : ulong m0, ulong m1,
320 0 : ulong n0 FD_PARAM_UNUSED, ulong n1 FD_PARAM_UNUSED ) {
321 0 : fd_epoch_info_pair_t const * stake_infos = ((fd_epoch_info_pair_t const *)tpool);
322 0 : fd_calculate_points_task_args_t * task_args = (fd_calculate_points_task_args_t *)args;
323 0 : fd_stake_history_t const * stake_history = task_args->stake_history;
324 0 : ulong * new_warmup_cooldown_rate_epoch = task_args->new_warmup_cooldown_rate_epoch;
325 0 : ulong minimum_stake_delegation = task_args->minimum_stake_delegation;
326 :
327 0 : uint128 total_points = 0;
328 0 : for( ulong i=m0; i<m1; i++ ) {
329 0 : fd_epoch_info_pair_t const * stake_info = stake_infos + i;
330 0 : fd_stake_t const * stake = &stake_info->stake;
331 :
332 0 : if( FD_UNLIKELY( stake->delegation.stake<minimum_stake_delegation ) ) {
333 0 : continue;
334 0 : }
335 :
336 : /* Check that the vote account is present in our cache */
337 0 : fd_vote_info_pair_t_mapnode_t query_key;
338 0 : fd_pubkey_t const * voter_acc = &stake->delegation.voter_pubkey;
339 0 : fd_memcpy( &query_key.elem.account, voter_acc, sizeof(fd_pubkey_t) );
340 0 : fd_vote_info_pair_t_mapnode_t * vote_state_info = fd_vote_info_pair_t_map_find( task_args->vote_states_pool, task_args->vote_states_root, &query_key );
341 0 : if( FD_UNLIKELY( vote_state_info==NULL ) ) {
342 0 : FD_LOG_DEBUG(( "vote account missing from cache" ));
343 0 : continue;
344 0 : }
345 :
346 0 : uint128 account_points;
347 0 : int err = calculate_points( stake, &vote_state_info->elem.state, stake_history, new_warmup_cooldown_rate_epoch, &account_points );
348 0 : if( FD_UNLIKELY( err ) ) {
349 0 : FD_LOG_DEBUG(( "failed to calculate points" ));
350 0 : continue;
351 0 : }
352 :
353 0 : total_points += account_points;
354 0 : }
355 :
356 0 : FD_ATOMIC_FETCH_AND_ADD( task_args->total_points, total_points );
357 :
358 0 : }
359 :
360 : /* Calculates epoch reward points from stake/vote accounts.
361 :
362 : https://github.com/anza-xyz/agave/blob/cbc8320d35358da14d79ebcada4dfb6756ffac79/runtime/src/bank/partitioned_epoch_rewards/calculation.rs#L472 */
363 : static void
364 : calculate_reward_points_partitioned( fd_exec_slot_ctx_t * slot_ctx,
365 : fd_stake_history_t const * stake_history,
366 : ulong rewards,
367 : fd_point_value_t * result,
368 : fd_tpool_t * tpool,
369 0 : fd_epoch_info_t * temp_info ) {
370 :
371 0 : uint128 points = 0;
372 0 : ulong minimum_stake_delegation = get_minimum_stake_delegation( slot_ctx );
373 :
374 : /* Calculate the points for each stake delegation */
375 0 : int _err[1];
376 0 : ulong new_warmup_cooldown_rate_epoch_val = 0UL;
377 0 : ulong * new_warmup_cooldown_rate_epoch = &new_warmup_cooldown_rate_epoch_val;
378 0 : int is_some = fd_new_warmup_cooldown_rate_epoch( slot_ctx->slot_bank.slot,
379 0 : slot_ctx->sysvar_cache,
380 0 : &slot_ctx->epoch_ctx->features,
381 0 : new_warmup_cooldown_rate_epoch,
382 0 : _err );
383 0 : if( FD_UNLIKELY( !is_some ) ) {
384 0 : new_warmup_cooldown_rate_epoch = NULL;
385 0 : }
386 :
387 0 : fd_calculate_points_task_args_t task_args = {
388 0 : .stake_history = stake_history,
389 0 : .new_warmup_cooldown_rate_epoch = new_warmup_cooldown_rate_epoch,
390 0 : .minimum_stake_delegation = minimum_stake_delegation,
391 0 : .vote_states_pool = temp_info->vote_states_pool,
392 0 : .vote_states_root = temp_info->vote_states_root,
393 0 : .total_points = &points,
394 0 : };
395 :
396 0 : fd_tpool_exec_all_batch( tpool, 0UL, fd_tpool_worker_cnt( tpool ), calculate_points_tpool,
397 0 : temp_info->stake_infos, &task_args, NULL, 1UL, 0UL, temp_info->stake_infos_len );
398 :
399 0 : if( points > 0 ) {
400 0 : result->points = points;
401 0 : result->rewards = rewards;
402 0 : }
403 0 : }
404 :
405 : /* Calculate the partitioned stake rewards for a single stake/vote account pair, updates result with these. */
406 : static void
407 : calculate_stake_vote_rewards_account_tpool( void *tpool,
408 : ulong t0 FD_PARAM_UNUSED, ulong t1 FD_PARAM_UNUSED,
409 : void *args,
410 : void *reduce FD_PARAM_UNUSED, ulong stride FD_PARAM_UNUSED,
411 : ulong l0 FD_PARAM_UNUSED, ulong l1 FD_PARAM_UNUSED,
412 : ulong m0, ulong m1,
413 0 : ulong n0 FD_PARAM_UNUSED, ulong n1 FD_PARAM_UNUSED ) {
414 :
415 0 : fd_epoch_info_t const * temp_info = ((fd_epoch_info_t const *)tpool);
416 0 : fd_epoch_info_pair_t const * stake_infos = temp_info->stake_infos;
417 :
418 0 : fd_calculate_stake_vote_rewards_task_args_t const * task_args = (fd_calculate_stake_vote_rewards_task_args_t const *)args;
419 0 : fd_exec_slot_ctx_t * slot_ctx = task_args->slot_ctx;
420 0 : fd_stake_history_t const * stake_history = task_args->stake_history;
421 0 : ulong rewarded_epoch = task_args->rewarded_epoch;
422 0 : ulong * new_warmup_cooldown_rate_epoch = task_args->new_warmup_cooldown_rate_epoch;
423 0 : fd_point_value_t * point_value = task_args->point_value;
424 0 : fd_calculate_stake_vote_rewards_result_t * result = task_args->result; // written to
425 0 : fd_spad_t * spad = task_args->exec_spads[ fd_tile_idx() ];
426 0 : fd_spad_push(spad);
427 :
428 0 : ulong minimum_stake_delegation = get_minimum_stake_delegation( slot_ctx );
429 0 : ulong total_stake_rewards = 0UL;
430 0 : ulong dlist_additional_cnt = 0UL;
431 :
432 : /* Build a local vote reward map */
433 0 : fd_vote_reward_t_mapnode_t * vote_reward_map_pool = fd_vote_reward_t_map_join( fd_vote_reward_t_map_new( fd_spad_alloc( spad,
434 0 : fd_vote_reward_t_map_align(),
435 0 : fd_vote_reward_t_map_footprint( m1-m0 )),
436 0 : m1-m0 ) );
437 0 : fd_vote_reward_t_mapnode_t * vote_reward_map_root = NULL;
438 :
439 0 : for( ulong i=m0; i<m1; i++ ) {
440 0 : fd_epoch_info_pair_t const * stake_info = stake_infos + i;
441 0 : fd_pubkey_t const * stake_acc = &stake_info->account;
442 0 : fd_stake_t const * stake = &stake_info->stake;
443 :
444 0 : if( FD_FEATURE_ACTIVE( slot_ctx->slot_bank.slot, slot_ctx->epoch_ctx->features, stake_minimum_delegation_for_rewards ) ) {
445 0 : if( stake->delegation.stake<minimum_stake_delegation ) {
446 0 : continue;
447 0 : }
448 0 : }
449 :
450 0 : fd_pubkey_t const * voter_acc = &stake->delegation.voter_pubkey;
451 0 : fd_vote_info_pair_t_mapnode_t key;
452 0 : fd_memcpy( &key.elem.account, voter_acc, sizeof(fd_pubkey_t) );
453 0 : fd_vote_info_pair_t_mapnode_t * vote_state_entry = fd_vote_info_pair_t_map_find( temp_info->vote_states_pool,
454 0 : temp_info->vote_states_root,
455 0 : &key );
456 0 : if( FD_UNLIKELY( vote_state_entry==NULL ) ) {
457 0 : continue;
458 0 : }
459 :
460 0 : fd_vote_state_versioned_t * vote_state = &vote_state_entry->elem.state;
461 :
462 : /* Note, this doesn't actually redeem any rewards.. this is a misnomer. */
463 0 : fd_calculated_stake_rewards_t calculated_stake_rewards[1] = {0};
464 0 : int err = redeem_rewards( stake_history,
465 0 : stake,
466 0 : vote_state,
467 0 : rewarded_epoch,
468 0 : point_value,
469 0 : new_warmup_cooldown_rate_epoch,
470 0 : calculated_stake_rewards );
471 0 : if( FD_UNLIKELY( err!=0 ) ) {
472 0 : FD_LOG_DEBUG(( "redeem_rewards failed for %s with error %d", FD_BASE58_ENC_32_ALLOCA( stake_acc->key ), err ));
473 0 : continue;
474 0 : }
475 :
476 : /* Fetch the comission for the vote account */
477 0 : uchar commission = 0;
478 0 : switch( vote_state->discriminant ) {
479 0 : case fd_vote_state_versioned_enum_current:
480 0 : commission = vote_state->inner.current.commission;
481 0 : break;
482 0 : case fd_vote_state_versioned_enum_v0_23_5:
483 0 : commission = vote_state->inner.v0_23_5.commission;
484 0 : break;
485 0 : case fd_vote_state_versioned_enum_v1_14_11:
486 0 : commission = vote_state->inner.v1_14_11.commission;
487 0 : break;
488 0 : default:
489 0 : FD_LOG_DEBUG(( "unsupported vote account" ));
490 0 : continue;
491 0 : }
492 :
493 : // Find and update the vote reward node in the local map
494 0 : fd_vote_reward_t_mapnode_t vote_map_key[1];
495 0 : fd_memcpy( &vote_map_key->elem.pubkey, voter_acc, sizeof(fd_pubkey_t) );
496 0 : fd_vote_reward_t_mapnode_t * vote_reward_node = fd_vote_reward_t_map_find( result->vote_reward_map_pool, result->vote_reward_map_root, vote_map_key );
497 0 : if( FD_UNLIKELY( vote_reward_node==NULL ) ) {
498 0 : FD_LOG_WARNING(( "vote account is missing from the vote rewards pool" ));
499 0 : continue;
500 0 : }
501 :
502 0 : vote_reward_node = fd_vote_reward_t_map_find( vote_reward_map_pool, vote_reward_map_root, vote_map_key );
503 :
504 0 : if( vote_reward_node==NULL ) {
505 0 : vote_reward_node = fd_vote_reward_t_map_acquire( vote_reward_map_pool );
506 0 : fd_memcpy( &vote_reward_node->elem.pubkey, voter_acc, sizeof(fd_pubkey_t) );
507 0 : vote_reward_node->elem.commission = commission;
508 0 : vote_reward_node->elem.vote_rewards = calculated_stake_rewards->voter_rewards;
509 0 : vote_reward_node->elem.needs_store = 1;
510 0 : fd_vote_reward_t_map_insert( vote_reward_map_pool, &vote_reward_map_root, vote_reward_node );
511 0 : } else {
512 0 : vote_reward_node->elem.vote_rewards += calculated_stake_rewards->voter_rewards;
513 0 : }
514 :
515 : /* Add the stake reward to list of all stake rewards. The update is thread-safe because each index in the dlist
516 : is only ever accessed / written to once among all threads. */
517 0 : fd_stake_reward_t * stake_reward = fd_stake_reward_pool_ele( result->stake_reward_calculation.pool, i );
518 0 : if( FD_UNLIKELY( stake_reward==NULL ) ) {
519 0 : FD_LOG_WARNING(( "could not find stake reward node in pool" ));
520 0 : continue;
521 0 : }
522 :
523 0 : fd_memcpy( stake_reward->stake_pubkey.uc, stake_acc, sizeof(fd_pubkey_t) );
524 0 : stake_reward->lamports = calculated_stake_rewards->staker_rewards;
525 0 : stake_reward->credits_observed = calculated_stake_rewards->new_credits_observed;
526 0 : stake_reward->valid = 1;
527 :
528 : /* Update the total stake rewards */
529 0 : total_stake_rewards += calculated_stake_rewards->staker_rewards;
530 0 : dlist_additional_cnt++;
531 0 : }
532 :
533 : /* Merge vote rewards with result after */
534 0 : for( fd_vote_reward_t_mapnode_t * vote_reward_node = fd_vote_reward_t_map_minimum( vote_reward_map_pool, vote_reward_map_root );
535 0 : vote_reward_node;
536 0 : vote_reward_node = fd_vote_reward_t_map_successor( vote_reward_map_pool, vote_reward_node ) ) {
537 :
538 0 : fd_vote_reward_t_mapnode_t * result_reward_node = fd_vote_reward_t_map_find( result->vote_reward_map_pool, result->vote_reward_map_root, vote_reward_node );
539 0 : FD_ATOMIC_CAS( &result_reward_node->elem.commission, 0, vote_reward_node->elem.commission );
540 0 : FD_ATOMIC_FETCH_AND_ADD( &result_reward_node->elem.vote_rewards, vote_reward_node->elem.vote_rewards );
541 0 : FD_ATOMIC_CAS( &result_reward_node->elem.needs_store, 0, 1 );
542 0 : }
543 :
544 0 : FD_ATOMIC_FETCH_AND_ADD( &result->stake_reward_calculation.total_stake_rewards_lamports, total_stake_rewards );
545 0 : FD_ATOMIC_FETCH_AND_ADD( &result->stake_reward_calculation.stake_rewards_len, dlist_additional_cnt );
546 0 : fd_spad_pop(spad);
547 :
548 0 : }
549 :
550 : /* Calculates epoch rewards for stake/vote accounts.
551 : Returns vote rewards, stake rewards, and the sum of all stake rewards in lamports.
552 :
553 : This uses a pool to allocate the stake rewards, which means that we can use dlists to
554 : distribute these into partitions of variable size without copying them or over-allocating
555 : the partitions.
556 : - We use a single dlist to put all the stake rewards during the calculation phase.
557 : - We then distribute these into partitions (whose size cannot be known in advance), where each
558 : partition is a seperate dlist.
559 : - The dlist elements are all backed by the same pool, and allocated once.
560 : This approach optimizes memory usage and reduces copying.
561 :
562 : https://github.com/anza-xyz/agave/blob/cbc8320d35358da14d79ebcada4dfb6756ffac79/runtime/src/bank/partitioned_epoch_rewards/calculation.rs#L334 */
563 : static void
564 : calculate_stake_vote_rewards( fd_exec_slot_ctx_t * slot_ctx,
565 : fd_stake_history_t const * stake_history,
566 : ulong rewarded_epoch,
567 : fd_point_value_t * point_value,
568 : fd_calculate_stake_vote_rewards_result_t * result,
569 : fd_epoch_info_t * temp_info,
570 : fd_tpool_t * tpool,
571 : fd_spad_t * * exec_spads,
572 : ulong exec_spad_cnt,
573 0 : fd_spad_t * runtime_spad ) {
574 :
575 0 : int _err[1];
576 0 : ulong new_warmup_cooldown_rate_epoch_val = 0UL;
577 0 : ulong * new_warmup_cooldown_rate_epoch = &new_warmup_cooldown_rate_epoch_val;
578 0 : int is_some = fd_new_warmup_cooldown_rate_epoch( slot_ctx->slot_bank.slot,
579 0 : slot_ctx->sysvar_cache,
580 0 : &slot_ctx->epoch_ctx->features,
581 0 : new_warmup_cooldown_rate_epoch,
582 0 : _err );
583 0 : if( FD_UNLIKELY( !is_some ) ) {
584 0 : new_warmup_cooldown_rate_epoch = NULL;
585 0 : }
586 :
587 0 : ulong rewards_max_count = temp_info->stake_infos_len;
588 :
589 : /* Create the stake rewards pool and dlist. The pool will be destoyed after the stake rewards have been distributed. */
590 0 : result->stake_reward_calculation.pool = fd_stake_reward_pool_join( fd_stake_reward_pool_new( fd_spad_alloc( runtime_spad,
591 0 : fd_stake_reward_pool_align(),
592 0 : fd_stake_reward_pool_footprint( rewards_max_count ) ),
593 0 : rewards_max_count ) );
594 0 : fd_stake_reward_dlist_new( &result->stake_reward_calculation.stake_rewards );
595 0 : result->stake_reward_calculation.stake_rewards_len = 0UL;
596 :
597 : /* Create the vote rewards map. This will be destroyed after the vote rewards have been distributed. */
598 0 : ulong vote_account_cnt = fd_vote_info_pair_t_map_size( temp_info->vote_states_pool, temp_info->vote_states_root );
599 0 : result->vote_reward_map_pool = fd_vote_reward_t_map_join( fd_vote_reward_t_map_new( fd_spad_alloc( runtime_spad,
600 0 : fd_vote_reward_t_map_align(),
601 0 : fd_vote_reward_t_map_footprint( vote_account_cnt )),
602 0 : vote_account_cnt ) );
603 0 : result->vote_reward_map_root = NULL;
604 :
605 : /* Pre-fill the vote pubkeys in the vote rewards map pool */
606 0 : for( fd_vote_info_pair_t_mapnode_t * vote_info = fd_vote_info_pair_t_map_minimum( temp_info->vote_states_pool, temp_info->vote_states_root );
607 0 : vote_info;
608 0 : vote_info = fd_vote_info_pair_t_map_successor( temp_info->vote_states_pool, vote_info ) ) {
609 :
610 0 : fd_pubkey_t const * voter_pubkey = &vote_info->elem.account;
611 0 : fd_vote_reward_t_mapnode_t * vote_reward_node = fd_vote_reward_t_map_acquire( result->vote_reward_map_pool );
612 :
613 0 : fd_memcpy( &vote_reward_node->elem.pubkey, voter_pubkey, sizeof(fd_pubkey_t) );
614 0 : vote_reward_node->elem.vote_rewards = 0UL;
615 0 : vote_reward_node->elem.needs_store = 0;
616 :
617 0 : fd_vote_reward_t_map_insert( result->vote_reward_map_pool, &result->vote_reward_map_root, vote_reward_node );
618 0 : }
619 :
620 : /* Pre-allocate the dlist stake reward elements */
621 0 : for( ulong i=0UL; i<temp_info->stake_infos_len; i++ ) {
622 0 : fd_stake_reward_t * stake_reward = fd_stake_reward_pool_ele_acquire( result->stake_reward_calculation.pool );
623 0 : if( FD_UNLIKELY( stake_reward==NULL ) ) {
624 0 : FD_LOG_ERR(( "insufficient space allocated for stake reward calculation pool" ));
625 0 : return;
626 0 : }
627 0 : stake_reward->valid = 0;
628 0 : fd_stake_reward_dlist_ele_push_tail( &result->stake_reward_calculation.stake_rewards, stake_reward, result->stake_reward_calculation.pool );
629 0 : }
630 :
631 0 : fd_calculate_stake_vote_rewards_task_args_t task_args = {
632 0 : .slot_ctx = slot_ctx,
633 0 : .stake_history = stake_history,
634 0 : .rewarded_epoch = rewarded_epoch,
635 0 : .new_warmup_cooldown_rate_epoch = new_warmup_cooldown_rate_epoch,
636 0 : .point_value = point_value,
637 0 : .result = result,
638 0 : .exec_spads = exec_spads,
639 0 : .exec_spad_cnt = exec_spad_cnt,
640 0 : };
641 :
642 : /* Loop over all the delegations
643 : https://github.com/anza-xyz/agave/blob/cbc8320d35358da14d79ebcada4dfb6756ffac79/runtime/src/bank/partitioned_epoch_rewards/calculation.rs#L367 */
644 0 : fd_tpool_exec_all_batch( tpool, 0UL, fd_tpool_worker_cnt( tpool ), calculate_stake_vote_rewards_account_tpool,
645 0 : temp_info, &task_args, NULL, 1UL, 0UL, temp_info->stake_infos_len );
646 0 : }
647 :
648 : /* Calculate epoch reward and return vote and stake rewards.
649 :
650 : https://github.com/anza-xyz/agave/blob/cbc8320d35358da14d79ebcada4dfb6756ffac79/runtime/src/bank/partitioned_epoch_rewards/calculation.rs#L273 */
651 : static void
652 : calculate_validator_rewards( fd_exec_slot_ctx_t * slot_ctx,
653 : ulong rewarded_epoch,
654 : ulong rewards,
655 : fd_calculate_validator_rewards_result_t * result,
656 : fd_epoch_info_t * temp_info,
657 : fd_tpool_t * tpool,
658 : fd_spad_t * * exec_spads,
659 : ulong exec_spad_cnt,
660 0 : fd_spad_t * runtime_spad ) {
661 : /* https://github.com/firedancer-io/solana/blob/dab3da8e7b667d7527565bddbdbecf7ec1fb868e/runtime/src/bank.rs#L2759-L2786 */
662 0 : fd_stake_history_t const * stake_history = (fd_stake_history_t const *)fd_sysvar_cache_stake_history( slot_ctx->sysvar_cache );
663 0 : if( FD_UNLIKELY( !stake_history ) ) {
664 0 : FD_LOG_ERR(( "StakeHistory sysvar is missing from sysvar cache" ));
665 0 : }
666 :
667 : /* Calculate the epoch reward points from stake/vote accounts */
668 0 : calculate_reward_points_partitioned( slot_ctx,
669 0 : stake_history,
670 0 : rewards,
671 0 : &result->point_value,
672 0 : tpool,
673 0 : temp_info );
674 :
675 : /* Calculate the stake and vote rewards for each account */
676 0 : calculate_stake_vote_rewards( slot_ctx,
677 0 : stake_history,
678 0 : rewarded_epoch,
679 0 : &result->point_value,
680 0 : &result->calculate_stake_vote_rewards_result,
681 0 : temp_info,
682 0 : tpool,
683 0 : exec_spads,
684 0 : exec_spad_cnt,
685 0 : runtime_spad );
686 0 : }
687 :
688 : /* Calculate the number of blocks required to distribute rewards to all stake accounts.
689 :
690 : https://github.com/anza-xyz/agave/blob/9a7bf72940f4b3cd7fc94f54e005868ce707d53d/runtime/src/bank/partitioned_epoch_rewards/mod.rs#L214
691 : */
692 : static ulong
693 : get_reward_distribution_num_blocks( fd_epoch_schedule_t const * epoch_schedule,
694 : ulong slot,
695 0 : ulong total_stake_accounts ) {
696 : /* https://github.com/firedancer-io/solana/blob/dab3da8e7b667d7527565bddbdbecf7ec1fb868e/runtime/src/bank.rs#L1250-L1267 */
697 0 : if( epoch_schedule->warmup &&
698 0 : fd_slot_to_epoch( epoch_schedule, slot, NULL ) < epoch_schedule->first_normal_epoch ) {
699 0 : return 1UL;
700 0 : }
701 :
702 0 : ulong num_chunks = total_stake_accounts / (ulong)STAKE_ACCOUNT_STORES_PER_BLOCK + (total_stake_accounts % STAKE_ACCOUNT_STORES_PER_BLOCK != 0);
703 0 : num_chunks = fd_ulong_max( num_chunks, 1UL );
704 0 : num_chunks = fd_ulong_min( num_chunks,
705 0 : fd_ulong_max( epoch_schedule->slots_per_epoch / (ulong)MAX_FACTOR_OF_REWARD_BLOCKS_IN_EPOCH, 1UL ) );
706 0 : return num_chunks;
707 0 : }
708 :
709 : static void
710 : hash_rewards_into_partitions( fd_exec_slot_ctx_t * slot_ctx,
711 : fd_stake_reward_calculation_t * stake_reward_calculation,
712 : fd_hash_t const * parent_blockhash,
713 : fd_stake_reward_calculation_partitioned_t * result,
714 0 : fd_spad_t * runtime_spad ) {
715 :
716 : /* Initialize a dlist for every partition.
717 : These will all use the same pool - we do not re-allocate the stake rewards, only move them into partitions. */
718 0 : result->partitioned_stake_rewards.pool = stake_reward_calculation->pool;
719 0 : ulong num_partitions = get_reward_distribution_num_blocks( &fd_exec_epoch_ctx_epoch_bank( slot_ctx->epoch_ctx )->epoch_schedule,
720 0 : slot_ctx->slot_bank.slot,
721 0 : stake_reward_calculation->stake_rewards_len );
722 0 : result->partitioned_stake_rewards.partitions_len = num_partitions;
723 0 : result->partitioned_stake_rewards.partitions = fd_spad_alloc( runtime_spad,
724 0 : fd_stake_reward_dlist_align(),
725 0 : fd_stake_reward_dlist_footprint() * num_partitions );
726 :
727 : /* Ownership of these dlist's and the pool gets transferred to stake_rewards_by_partition, which then gets transferred to epoch_reward_status.
728 : These are eventually cleaned up when epoch_reward_status_inactive is called. */
729 0 : for( ulong i = 0; i < num_partitions; ++i ) {
730 0 : fd_stake_reward_dlist_new( &result->partitioned_stake_rewards.partitions[ i ] );
731 0 : }
732 :
733 : /* Iterate over all the stake rewards, moving references to them into the appropiate partitions.
734 : IMPORTANT: after this, we cannot use the original stake rewards dlist anymore. */
735 0 : fd_stake_reward_dlist_iter_t next_iter;
736 0 : for( fd_stake_reward_dlist_iter_t iter = fd_stake_reward_dlist_iter_fwd_init( &stake_reward_calculation->stake_rewards, stake_reward_calculation->pool );
737 0 : !fd_stake_reward_dlist_iter_done( iter, &stake_reward_calculation->stake_rewards, stake_reward_calculation->pool );
738 0 : iter = next_iter ) {
739 0 : fd_stake_reward_t * stake_reward = fd_stake_reward_dlist_iter_ele( iter, &stake_reward_calculation->stake_rewards, stake_reward_calculation->pool );
740 : /* Cache the next iter here, as we will overwrite the DLIST_NEXT value further down in the loop iteration. */
741 0 : next_iter = fd_stake_reward_dlist_iter_fwd_next( iter, &stake_reward_calculation->stake_rewards, stake_reward_calculation->pool );
742 :
743 0 : if( FD_UNLIKELY( !stake_reward->valid ) ) {
744 0 : continue;
745 0 : }
746 :
747 : /* https://github.com/firedancer-io/solana/blob/dab3da8e7b667d7527565bddbdbecf7ec1fb868e/runtime/src/epoch_rewards_hasher.rs#L43C31-L61 */
748 0 : fd_siphash13_t _sip[1] = {0};
749 0 : fd_siphash13_t * hasher = fd_siphash13_init( _sip, 0UL, 0UL );
750 :
751 0 : hasher = fd_siphash13_append( hasher, parent_blockhash->hash, sizeof(fd_hash_t) );
752 0 : fd_siphash13_append( hasher, (const uchar *) stake_reward->stake_pubkey.key, sizeof(fd_pubkey_t) );
753 :
754 0 : ulong hash64 = fd_siphash13_fini( hasher );
755 : /* hash_to_partition */
756 : /* FIXME: should be saturating add */
757 0 : ulong partition_index = (ulong)((uint128) num_partitions *
758 0 : (uint128) hash64 /
759 0 : ((uint128)ULONG_MAX + 1));
760 :
761 : /* Move the stake reward to the partition's dlist */
762 0 : fd_stake_reward_dlist_t * partition = &result->partitioned_stake_rewards.partitions[ partition_index ];
763 0 : fd_stake_reward_dlist_ele_push_tail( partition, stake_reward, stake_reward_calculation->pool );
764 0 : }
765 0 : }
766 :
767 : /* Calculate rewards from previous epoch to prepare for partitioned distribution.
768 :
769 : https://github.com/anza-xyz/agave/blob/7117ed9653ce19e8b2dea108eff1f3eb6a3378a7/runtime/src/bank/partitioned_epoch_rewards/calculation.rs#L214 */
770 : static void
771 : calculate_rewards_for_partitioning( fd_exec_slot_ctx_t * slot_ctx,
772 : ulong prev_epoch,
773 : const fd_hash_t * parent_blockhash,
774 : fd_partitioned_rewards_calculation_t * result,
775 : fd_epoch_info_t * temp_info,
776 : fd_tpool_t * tpool,
777 : fd_spad_t * * exec_spads,
778 : ulong exec_spad_cnt,
779 0 : fd_spad_t * runtime_spad ) {
780 : /* https://github.com/anza-xyz/agave/blob/7117ed9653ce19e8b2dea108eff1f3eb6a3378a7/runtime/src/bank/partitioned_epoch_rewards/calculation.rs#L227 */
781 0 : fd_prev_epoch_inflation_rewards_t rewards;
782 0 : calculate_previous_epoch_inflation_rewards( slot_ctx, slot_ctx->slot_bank.capitalization, prev_epoch, &rewards );
783 :
784 0 : fd_slot_bank_t const * slot_bank = &slot_ctx->slot_bank;
785 :
786 0 : fd_calculate_validator_rewards_result_t validator_result[1] = {0};
787 0 : calculate_validator_rewards( slot_ctx,
788 0 : prev_epoch,
789 0 : rewards.validator_rewards,
790 0 : validator_result,
791 0 : temp_info,
792 0 : tpool,
793 0 : exec_spads,
794 0 : exec_spad_cnt,
795 0 : runtime_spad );
796 :
797 0 : hash_rewards_into_partitions( slot_ctx,
798 0 : &validator_result->calculate_stake_vote_rewards_result.stake_reward_calculation,
799 0 : parent_blockhash,
800 0 : &result->stake_rewards_by_partition,
801 0 : runtime_spad );
802 :
803 0 : result->stake_rewards_by_partition.total_stake_rewards_lamports =
804 0 : validator_result->calculate_stake_vote_rewards_result.stake_reward_calculation.total_stake_rewards_lamports;
805 :
806 0 : result->vote_reward_map_pool = validator_result->calculate_stake_vote_rewards_result.vote_reward_map_pool;
807 0 : result->vote_reward_map_root = validator_result->calculate_stake_vote_rewards_result.vote_reward_map_root;
808 0 : result->validator_rewards = rewards.validator_rewards;
809 0 : result->validator_rate = rewards.validator_rate;
810 0 : result->foundation_rate = rewards.foundation_rate;
811 0 : result->prev_epoch_duration_in_years = rewards.prev_epoch_duration_in_years;
812 0 : result->capitalization = slot_bank->capitalization;
813 0 : fd_memcpy( &result->point_value, &validator_result->point_value, FD_POINT_VALUE_FOOTPRINT );
814 0 : }
815 :
816 : /* Calculate rewards from previous epoch and distribute vote rewards
817 :
818 : https://github.com/anza-xyz/agave/blob/7117ed9653ce19e8b2dea108eff1f3eb6a3378a7/runtime/src/bank/partitioned_epoch_rewards/calculation.rs#L97 */
819 : static void
820 : calculate_rewards_and_distribute_vote_rewards( fd_exec_slot_ctx_t * slot_ctx,
821 : ulong prev_epoch,
822 : fd_hash_t const * parent_blockhash,
823 : fd_calculate_rewards_and_distribute_vote_rewards_result_t * result,
824 : fd_epoch_info_t * temp_info,
825 : fd_tpool_t * tpool,
826 : fd_spad_t * * exec_spads,
827 : ulong exec_spad_cnt,
828 0 : fd_spad_t * runtime_spad ) {
829 :
830 : /* https://github.com/firedancer-io/solana/blob/dab3da8e7b667d7527565bddbdbecf7ec1fb868e/runtime/src/bank.rs#L2406-L2492 */
831 0 : fd_partitioned_rewards_calculation_t rewards_calc_result[1] = {0};
832 0 : calculate_rewards_for_partitioning( slot_ctx,
833 0 : prev_epoch,
834 0 : parent_blockhash,
835 0 : rewards_calc_result,
836 0 : temp_info,
837 0 : tpool,
838 0 : exec_spads,
839 0 : exec_spad_cnt,
840 0 : runtime_spad );
841 :
842 : /* Iterate over all the vote reward nodes */
843 0 : for( fd_vote_reward_t_mapnode_t * vote_reward_node = fd_vote_reward_t_map_minimum( rewards_calc_result->vote_reward_map_pool, rewards_calc_result->vote_reward_map_root);
844 0 : vote_reward_node;
845 0 : vote_reward_node = fd_vote_reward_t_map_successor( rewards_calc_result->vote_reward_map_pool, vote_reward_node ) ) {
846 :
847 0 : if( FD_UNLIKELY( !vote_reward_node->elem.needs_store ) ) {
848 0 : continue;
849 0 : }
850 :
851 0 : fd_pubkey_t const * vote_pubkey = &vote_reward_node->elem.pubkey;
852 0 : FD_TXN_ACCOUNT_DECL( vote_rec );
853 :
854 0 : if( FD_UNLIKELY( fd_acc_mgr_modify( slot_ctx->acc_mgr, slot_ctx->funk_txn, vote_pubkey, 1, 0UL, vote_rec ) != FD_ACC_MGR_SUCCESS ) ) {
855 0 : FD_LOG_ERR(( "Unable to modify vote account" ));
856 0 : }
857 :
858 0 : vote_rec->meta->slot = slot_ctx->slot_bank.slot;
859 :
860 0 : if( FD_UNLIKELY( fd_txn_account_checked_add_lamports( vote_rec, vote_reward_node->elem.vote_rewards ) ) ) {
861 0 : FD_LOG_ERR(( "Adding lamports to vote account would cause overflow" ));
862 0 : }
863 :
864 0 : result->distributed_rewards = fd_ulong_sat_add( result->distributed_rewards, vote_reward_node->elem.vote_rewards );
865 0 : }
866 :
867 : /* There is no need to free the vote reward map since it was spad*/
868 :
869 : /* Verify that we didn't pay any more than we expected to */
870 0 : result->total_rewards = fd_ulong_sat_add( result->distributed_rewards, rewards_calc_result->stake_rewards_by_partition.total_stake_rewards_lamports );
871 0 : if( FD_UNLIKELY( rewards_calc_result->validator_rewards < result->total_rewards ) ) {
872 0 : FD_LOG_ERR(( "Unexpected rewards calculation result" ));
873 0 : }
874 :
875 0 : slot_ctx->slot_bank.capitalization += result->distributed_rewards;
876 :
877 : /* Cheap because this doesn't copy all the rewards, just pointers to the dlist */
878 0 : fd_memcpy( &result->stake_rewards_by_partition, &rewards_calc_result->stake_rewards_by_partition, FD_STAKE_REWARD_CALCULATION_PARTITIONED_FOOTPRINT );
879 0 : fd_memcpy( &result->point_value, &rewards_calc_result->point_value, FD_POINT_VALUE_FOOTPRINT );
880 0 : }
881 :
882 : /* Distributes a single partitioned reward to a single stake account */
883 : static int
884 : distribute_epoch_reward_to_stake_acc( fd_exec_slot_ctx_t * slot_ctx,
885 : fd_pubkey_t * stake_pubkey,
886 : ulong reward_lamports,
887 0 : ulong new_credits_observed ) {
888 :
889 0 : FD_TXN_ACCOUNT_DECL( stake_acc_rec );
890 :
891 0 : if( FD_UNLIKELY( fd_acc_mgr_modify( slot_ctx->acc_mgr, slot_ctx->funk_txn, stake_pubkey, 0, 0UL, stake_acc_rec ) != FD_ACC_MGR_SUCCESS ) ) {
892 0 : FD_LOG_ERR(( "Unable to modify stake account" ));
893 0 : }
894 :
895 0 : stake_acc_rec->meta->slot = slot_ctx->slot_bank.slot;
896 :
897 0 : fd_stake_state_v2_t stake_state[1] = {0};
898 0 : if( fd_stake_get_state( stake_acc_rec, stake_state ) != 0 ) {
899 0 : FD_LOG_DEBUG(( "failed to read stake state for %s", FD_BASE58_ENC_32_ALLOCA( stake_pubkey ) ));
900 0 : return 1;
901 0 : }
902 :
903 0 : if ( !fd_stake_state_v2_is_stake( stake_state ) ) {
904 0 : FD_LOG_DEBUG(( "non-stake stake account, this should never happen" ));
905 0 : return 1;
906 0 : }
907 :
908 0 : if( fd_txn_account_checked_add_lamports( stake_acc_rec, reward_lamports ) ) {
909 0 : FD_LOG_DEBUG(( "failed to add lamports to stake account" ));
910 0 : return 1;
911 0 : }
912 :
913 0 : stake_state->inner.stake.stake.credits_observed = new_credits_observed;
914 0 : stake_state->inner.stake.stake.delegation.stake = fd_ulong_sat_add( stake_state->inner.stake.stake.delegation.stake,
915 0 : reward_lamports );
916 :
917 0 : if( FD_UNLIKELY( write_stake_state( stake_acc_rec, stake_state ) != 0 ) ) {
918 0 : FD_LOG_ERR(( "write_stake_state failed" ));
919 0 : }
920 :
921 0 : return 0;
922 0 : }
923 :
924 : /* Sets the epoch reward status to inactive, and destroys any allocated state associated with the active state. */
925 : static void
926 : set_epoch_reward_status_inactive( fd_exec_slot_ctx_t * slot_ctx,
927 0 : fd_spad_t * runtime_spad ) {
928 0 : if( slot_ctx->epoch_reward_status.discriminant == fd_epoch_reward_status_enum_Active ) {
929 0 : FD_LOG_NOTICE(( "Done partitioning rewards for current epoch" ));
930 0 : fd_spad_pop( runtime_spad );
931 0 : }
932 0 : slot_ctx->epoch_reward_status.discriminant = fd_epoch_reward_status_enum_Inactive;
933 0 : }
934 :
935 : /* Sets the epoch reward status to active.
936 :
937 : Takes ownership of the given stake_rewards_by_partition data structure,
938 : which will be destroyed when set_epoch_reward_status_inactive is called. */
939 : static void
940 : set_epoch_reward_status_active( fd_exec_slot_ctx_t * slot_ctx,
941 : ulong distribution_starting_block_height,
942 0 : fd_partitioned_stake_rewards_t * partitioned_rewards ) {
943 :
944 0 : FD_LOG_NOTICE(( "Setting epoch reward status as active" ));
945 0 : slot_ctx->epoch_reward_status.discriminant = fd_epoch_reward_status_enum_Active;
946 0 : slot_ctx->epoch_reward_status.inner.Active.distribution_starting_block_height = distribution_starting_block_height;
947 :
948 0 : fd_memcpy( &slot_ctx->epoch_reward_status.inner.Active.partitioned_stake_rewards, partitioned_rewards, FD_PARTITIONED_STAKE_REWARDS_FOOTPRINT );
949 0 : }
950 :
951 : /* Process reward credits for a partition of rewards.
952 : Store the rewards to AccountsDB, update reward history record and total capitalization
953 :
954 : https://github.com/anza-xyz/agave/blob/cbc8320d35358da14d79ebcada4dfb6756ffac79/runtime/src/bank/partitioned_epoch_rewards/distribution.rs#L88 */
955 : static void
956 : distribute_epoch_rewards_in_partition( fd_stake_reward_dlist_t * partition,
957 : fd_stake_reward_t * pool,
958 : fd_exec_slot_ctx_t * slot_ctx,
959 0 : fd_spad_t * runtime_spad ) {
960 :
961 0 : ulong lamports_distributed = 0UL;
962 0 : ulong lamports_burned = 0UL;
963 :
964 0 : for( fd_stake_reward_dlist_iter_t iter = fd_stake_reward_dlist_iter_fwd_init( partition, pool );
965 0 : !fd_stake_reward_dlist_iter_done( iter, partition, pool );
966 0 : iter = fd_stake_reward_dlist_iter_fwd_next( iter, partition, pool ) ) {
967 0 : fd_stake_reward_t * stake_reward = fd_stake_reward_dlist_iter_ele( iter, partition, pool );
968 :
969 0 : if( distribute_epoch_reward_to_stake_acc( slot_ctx,
970 0 : &stake_reward->stake_pubkey,
971 0 : stake_reward->lamports,
972 0 : stake_reward->credits_observed ) == 0 ) {
973 0 : lamports_distributed += stake_reward->lamports;
974 0 : } else {
975 0 : lamports_burned += stake_reward->lamports;
976 0 : }
977 0 : }
978 :
979 : /* Update the epoch rewards sysvar with the amount distributed and burnt */
980 0 : if( FD_LIKELY( FD_FEATURE_ACTIVE( slot_ctx->slot_bank.slot, slot_ctx->epoch_ctx->features, enable_partitioned_epoch_reward ) ||
981 0 : FD_FEATURE_ACTIVE( slot_ctx->slot_bank.slot, slot_ctx->epoch_ctx->features, partitioned_epoch_rewards_superfeature ) ) ) {
982 0 : fd_sysvar_epoch_rewards_distribute( slot_ctx,
983 0 : lamports_distributed + lamports_burned,
984 0 : runtime_spad );
985 0 : }
986 :
987 0 : FD_LOG_DEBUG(( "lamports burned: %lu, lamports distributed: %lu", lamports_burned, lamports_distributed ));
988 :
989 0 : slot_ctx->slot_bank.capitalization += lamports_distributed;
990 0 : }
991 :
992 : /* Process reward distribution for the block if it is inside reward interval.
993 :
994 : https://github.com/anza-xyz/agave/blob/cbc8320d35358da14d79ebcada4dfb6756ffac79/runtime/src/bank/partitioned_epoch_rewards/distribution.rs#L42 */
995 : void
996 : fd_distribute_partitioned_epoch_rewards( fd_exec_slot_ctx_t * slot_ctx,
997 : fd_tpool_t * tpool,
998 : fd_spad_t * * exec_spads,
999 : ulong exec_spad_cnt,
1000 0 : fd_spad_t * runtime_spad ) {
1001 :
1002 0 : (void)tpool;
1003 0 : (void)exec_spads;
1004 0 : (void)exec_spad_cnt;
1005 :
1006 0 : if( slot_ctx->epoch_reward_status.discriminant == fd_epoch_reward_status_enum_Inactive ) {
1007 0 : return;
1008 0 : }
1009 :
1010 0 : fd_start_block_height_and_rewards_t * status = &slot_ctx->epoch_reward_status.inner.Active;
1011 :
1012 0 : fd_slot_bank_t * slot_bank = &slot_ctx->slot_bank;
1013 0 : ulong height = slot_bank->block_height;
1014 0 : fd_epoch_bank_t const * epoch_bank = fd_exec_epoch_ctx_epoch_bank_const( slot_ctx->epoch_ctx );
1015 :
1016 0 : ulong distribution_starting_block_height = status->distribution_starting_block_height;
1017 0 : ulong distribution_end_exclusive = distribution_starting_block_height + status->partitioned_stake_rewards.partitions_len;
1018 :
1019 : /* TODO: track current epoch in epoch ctx? */
1020 0 : ulong epoch = fd_slot_to_epoch( &epoch_bank->epoch_schedule, slot_bank->slot, NULL );
1021 0 : if( FD_UNLIKELY( get_slots_in_epoch( epoch, epoch_bank ) <= status->partitioned_stake_rewards.partitions_len ) ) {
1022 0 : FD_LOG_ERR(( "Should not be distributing rewards" ));
1023 0 : }
1024 :
1025 0 : if( (height>=distribution_starting_block_height) && (height < distribution_end_exclusive) ) {
1026 0 : ulong partition_index = height - distribution_starting_block_height;
1027 0 : distribute_epoch_rewards_in_partition( &status->partitioned_stake_rewards.partitions[ partition_index ],
1028 0 : status->partitioned_stake_rewards.pool,
1029 0 : slot_ctx,
1030 0 : runtime_spad );
1031 0 : }
1032 :
1033 : /* If we have finished distributing rewards, set the status to inactive */
1034 0 : if( fd_ulong_sat_add( height, 1UL ) >= distribution_end_exclusive ) {
1035 0 : set_epoch_reward_status_inactive( slot_ctx, runtime_spad );
1036 0 : fd_sysvar_epoch_rewards_set_inactive( slot_ctx,runtime_spad );
1037 0 : }
1038 0 : }
1039 :
1040 : /* Non-partitioned epoch rewards entry-point. This uses the same logic as the partitioned epoch rewards code,
1041 : but distributes the rewards in one go. */
1042 : void
1043 : fd_update_rewards( fd_exec_slot_ctx_t * slot_ctx,
1044 : fd_hash_t const * parent_blockhash,
1045 : ulong parent_epoch,
1046 : fd_epoch_info_t * temp_info,
1047 : fd_tpool_t * tpool,
1048 : fd_spad_t * * exec_spads,
1049 : ulong exec_spad_cnt,
1050 0 : fd_spad_t * runtime_spad ) {
1051 :
1052 : /* https://github.com/anza-xyz/agave/blob/7117ed9653ce19e8b2dea108eff1f3eb6a3378a7/runtime/src/bank/partitioned_epoch_rewards/calculation.rs#L55 */
1053 0 : fd_calculate_rewards_and_distribute_vote_rewards_result_t rewards_result[1] = {0};
1054 0 : calculate_rewards_and_distribute_vote_rewards( slot_ctx,
1055 0 : parent_epoch,
1056 0 : parent_blockhash,
1057 0 : rewards_result,
1058 0 : temp_info,
1059 0 : tpool,
1060 0 : exec_spads,
1061 0 : exec_spad_cnt,
1062 0 : runtime_spad );
1063 :
1064 : /* Distribute all of the partitioned epoch rewards in one go */
1065 0 : for( ulong i = 0UL; i < rewards_result->stake_rewards_by_partition.partitioned_stake_rewards.partitions_len; i++ ) {
1066 0 : distribute_epoch_rewards_in_partition( &rewards_result->stake_rewards_by_partition.partitioned_stake_rewards.partitions[ i ],
1067 0 : rewards_result->stake_rewards_by_partition.partitioned_stake_rewards.pool,
1068 0 : slot_ctx,
1069 0 : runtime_spad );
1070 0 : }
1071 0 : }
1072 :
1073 : /* Partitioned epoch rewards entry-point.
1074 :
1075 : https://github.com/anza-xyz/agave/blob/7117ed9653ce19e8b2dea108eff1f3eb6a3378a7/runtime/src/bank/partitioned_epoch_rewards/calculation.rs#L41
1076 : */
1077 : void
1078 : fd_begin_partitioned_rewards( fd_exec_slot_ctx_t * slot_ctx,
1079 : fd_hash_t const * parent_blockhash,
1080 : ulong parent_epoch,
1081 : fd_epoch_info_t * temp_info,
1082 : fd_tpool_t * tpool,
1083 : fd_spad_t * * exec_spads,
1084 : ulong exec_spad_cnt,
1085 0 : fd_spad_t * runtime_spad ) {
1086 :
1087 : /* https://github.com/anza-xyz/agave/blob/7117ed9653ce19e8b2dea108eff1f3eb6a3378a7/runtime/src/bank/partitioned_epoch_rewards/calculation.rs#L55 */
1088 0 : fd_calculate_rewards_and_distribute_vote_rewards_result_t rewards_result[1] = {0};
1089 0 : calculate_rewards_and_distribute_vote_rewards( slot_ctx,
1090 0 : parent_epoch,
1091 0 : parent_blockhash,
1092 0 : rewards_result,
1093 0 : temp_info,
1094 0 : tpool,
1095 0 : exec_spads,
1096 0 : exec_spad_cnt,
1097 0 : runtime_spad );
1098 :
1099 : /* https://github.com/anza-xyz/agave/blob/9a7bf72940f4b3cd7fc94f54e005868ce707d53d/runtime/src/bank/partitioned_epoch_rewards/calculation.rs#L62 */
1100 0 : ulong distribution_starting_block_height = slot_ctx->slot_bank.block_height + REWARD_CALCULATION_NUM_BLOCKS;
1101 :
1102 : /* Set the epoch reward status to be active */
1103 0 : set_epoch_reward_status_active( slot_ctx,
1104 0 : distribution_starting_block_height,
1105 0 : &rewards_result->stake_rewards_by_partition.partitioned_stake_rewards );
1106 :
1107 : /* Initialize the epoch rewards sysvar
1108 : https://github.com/anza-xyz/agave/blob/9a7bf72940f4b3cd7fc94f54e005868ce707d53d/runtime/src/bank/partitioned_epoch_rewards/calculation.rs#L78 */
1109 0 : fd_sysvar_epoch_rewards_init( slot_ctx,
1110 0 : rewards_result->total_rewards,
1111 0 : rewards_result->distributed_rewards,
1112 0 : distribution_starting_block_height,
1113 0 : rewards_result->stake_rewards_by_partition.partitioned_stake_rewards.partitions_len,
1114 0 : rewards_result->point_value,
1115 0 : parent_blockhash );
1116 0 : }
1117 :
1118 : /*
1119 : Re-calculates partitioned stake rewards.
1120 : This updates the slot context's epoch reward status with the recalculated partitioned rewards.
1121 :
1122 : https://github.com/anza-xyz/agave/blob/2316fea4c0852e59c071f72d72db020017ffd7d0/runtime/src/bank/partitioned_epoch_rewards/calculation.rs#L536 */
1123 : void
1124 : fd_rewards_recalculate_partitioned_rewards( fd_exec_slot_ctx_t * slot_ctx,
1125 : fd_tpool_t * tpool,
1126 : fd_spad_t * * exec_spads,
1127 : ulong exec_spad_cnt,
1128 0 : fd_spad_t * runtime_spad ) {
1129 0 : fd_sysvar_epoch_rewards_t epoch_rewards[1];
1130 0 : if( FD_UNLIKELY( fd_sysvar_epoch_rewards_read( epoch_rewards,
1131 0 : slot_ctx->sysvar_cache,
1132 0 : slot_ctx->acc_mgr,
1133 0 : slot_ctx->funk_txn )==NULL ) ) {
1134 0 : FD_LOG_NOTICE(( "failed to read sysvar epoch rewards - the sysvar may not have been created yet" ));
1135 0 : set_epoch_reward_status_inactive( slot_ctx, runtime_spad );
1136 0 : return;
1137 0 : }
1138 :
1139 0 : FD_LOG_NOTICE(( "recalculating partitioned rewards" ));
1140 :
1141 0 : if( FD_UNLIKELY( epoch_rewards->active ) ) {
1142 :
1143 : /* If epoch rewards are active, we must calculate the rewards partitions
1144 : so we can start distributing. For the same reason as described in
1145 : fd_runtime_process_new_epoch, we must push on a spad frame at this
1146 : point. */
1147 0 : fd_spad_push( runtime_spad );
1148 :
1149 : /* If partitioned rewards are active, the rewarded epoch is always the immediately
1150 : preceeding epoch.
1151 :
1152 : https://github.com/anza-xyz/agave/blob/2316fea4c0852e59c071f72d72db020017ffd7d0/runtime/src/bank/partitioned_epoch_rewards/calculation.rs#L566 */
1153 0 : FD_LOG_NOTICE(( "epoch rewards is active" ));
1154 :
1155 0 : fd_epoch_schedule_t * epoch_schedule = &fd_exec_epoch_ctx_epoch_bank( slot_ctx->epoch_ctx )->epoch_schedule;
1156 0 : ulong epoch = fd_slot_to_epoch( epoch_schedule, slot_ctx->slot_bank.slot, NULL );
1157 0 : ulong rewarded_epoch = fd_ulong_sat_sub( epoch, 1UL );
1158 :
1159 0 : int _err[1] = {0};
1160 0 : ulong * new_warmup_cooldown_rate_epoch = fd_spad_alloc( runtime_spad, alignof(ulong), sizeof(ulong) );
1161 0 : int is_some = fd_new_warmup_cooldown_rate_epoch( slot_ctx->slot_bank.slot,
1162 0 : slot_ctx->sysvar_cache,
1163 0 : &slot_ctx->epoch_ctx->features,
1164 0 : new_warmup_cooldown_rate_epoch, _err );
1165 0 : if( FD_UNLIKELY( !is_some ) ) {
1166 0 : new_warmup_cooldown_rate_epoch = NULL;
1167 0 : }
1168 :
1169 0 : fd_stake_history_t const * stake_history = (fd_stake_history_t const *)fd_sysvar_cache_stake_history( slot_ctx->sysvar_cache );
1170 0 : if( FD_UNLIKELY( !stake_history ) ) {
1171 0 : FD_LOG_ERR(( "StakeHistory sysvar is missing from sysvar cache" ));
1172 0 : }
1173 :
1174 0 : fd_point_value_t point_value = { .points = epoch_rewards->total_points,
1175 0 : .rewards = epoch_rewards->total_rewards };
1176 :
1177 : /* Populate vote and stake state info from vote and stakes cache for the stake vote rewards calculation */
1178 0 : fd_stakes_t * stakes = &slot_ctx->epoch_ctx->epoch_bank.stakes;
1179 0 : fd_epoch_info_t epoch_info = {0};
1180 0 : fd_epoch_info_new( &epoch_info );
1181 :
1182 0 : ulong stake_delegation_sz = fd_delegation_pair_t_map_size( stakes->stake_delegations_pool, stakes->stake_delegations_root );
1183 0 : epoch_info.stake_infos_len = 0UL;
1184 0 : epoch_info.stake_infos = fd_spad_alloc( runtime_spad, FD_EPOCH_INFO_PAIR_ALIGN, FD_EPOCH_INFO_PAIR_FOOTPRINT*stake_delegation_sz );
1185 :
1186 0 : fd_stake_history_entry_t _accumulator = {
1187 0 : .effective = 0UL,
1188 0 : .activating = 0UL,
1189 0 : .deactivating = 0UL
1190 0 : };
1191 :
1192 0 : fd_accumulate_stake_infos( slot_ctx,
1193 0 : stakes,
1194 0 : stake_history,
1195 0 : new_warmup_cooldown_rate_epoch,
1196 0 : &_accumulator,
1197 0 : &epoch_info,
1198 0 : tpool,
1199 0 : exec_spads,
1200 0 : exec_spad_cnt,
1201 0 : runtime_spad );
1202 0 : fd_refresh_vote_accounts( slot_ctx,
1203 0 : stake_history,
1204 0 : new_warmup_cooldown_rate_epoch,
1205 0 : &epoch_info,
1206 0 : tpool,
1207 0 : exec_spads,
1208 0 : exec_spad_cnt,
1209 0 : runtime_spad );
1210 :
1211 : /* In future, the calculation will be cached in the snapshot, but for now we just re-calculate it
1212 : (as Agave does). */
1213 0 : fd_calculate_stake_vote_rewards_result_t calculate_stake_vote_rewards_result[1];
1214 0 : calculate_stake_vote_rewards( slot_ctx,
1215 0 : stake_history,
1216 0 : rewarded_epoch,
1217 0 : &point_value,
1218 0 : calculate_stake_vote_rewards_result,
1219 0 : &epoch_info,
1220 0 : tpool,
1221 0 : exec_spads,
1222 0 : exec_spad_cnt,
1223 0 : runtime_spad );
1224 :
1225 : /* The vote reward map isn't actually used in this code path and will only
1226 : be freed after rewards have been distributed. */
1227 :
1228 0 : fd_stake_reward_calculation_partitioned_t stake_rewards_by_partition[1];
1229 0 : hash_rewards_into_partitions( slot_ctx,
1230 0 : &calculate_stake_vote_rewards_result->stake_reward_calculation,
1231 0 : &epoch_rewards->parent_blockhash,
1232 0 : stake_rewards_by_partition,
1233 0 : runtime_spad );
1234 :
1235 : /* Update the epoch reward status with the newly re-calculated partitions. */
1236 0 : set_epoch_reward_status_active( slot_ctx,
1237 0 : epoch_rewards->distribution_starting_block_height,
1238 0 : &stake_rewards_by_partition->partitioned_stake_rewards );
1239 0 : } else {
1240 0 : set_epoch_reward_status_inactive( slot_ctx, runtime_spad );
1241 0 : }
1242 0 : }
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