Line data Source code
1 : #include "fd_executor.h"
2 : #include "fd_acc_mgr.h"
3 : #include "fd_hashes.h"
4 : #include "fd_runtime.h"
5 : #include "fd_runtime_err.h"
6 :
7 : #include "context/fd_exec_slot_ctx.h"
8 : #include "context/fd_exec_txn_ctx.h"
9 : #include "context/fd_exec_instr_ctx.h"
10 :
11 : #include "../../util/rng/fd_rng.h"
12 : #include "fd_system_ids.h"
13 : #include "program/fd_address_lookup_table_program.h"
14 : #include "program/fd_bpf_loader_program.h"
15 : #include "program/fd_loader_v4_program.h"
16 : #include "program/fd_compute_budget_program.h"
17 : #include "program/fd_config_program.h"
18 : #include "program/fd_precompiles.h"
19 : #include "program/fd_stake_program.h"
20 : #include "program/fd_system_program.h"
21 : #include "program/fd_builtin_programs.h"
22 : #include "program/fd_vote_program.h"
23 : #include "program/fd_zk_elgamal_proof_program.h"
24 : #include "program/fd_bpf_program_util.h"
25 : #include "sysvar/fd_sysvar_slot_history.h"
26 : #include "sysvar/fd_sysvar_epoch_schedule.h"
27 : #include "sysvar/fd_sysvar_instructions.h"
28 : #include "sysvar/fd_sysvar_slot_hashes.h"
29 : #include "sysvar/fd_sysvar_rent.h"
30 :
31 : #include "tests/fd_dump_pb.h"
32 :
33 : #include "../../ballet/base58/fd_base58.h"
34 : #include "../../disco/pack/fd_pack.h"
35 : #include "../../disco/pack/fd_pack_cost.h"
36 :
37 : #include "../../util/bits/fd_uwide.h"
38 :
39 : #include <assert.h>
40 : #include <math.h>
41 : #include <stdio.h> /* snprintf(3) */
42 : #include <fcntl.h> /* openat(2) */
43 : #include <unistd.h> /* write(3) */
44 : #include <time.h>
45 :
46 : struct fd_native_prog_info {
47 : fd_pubkey_t key;
48 : fd_exec_instr_fn_t fn;
49 : uchar is_bpf_loader;
50 : };
51 : typedef struct fd_native_prog_info fd_native_prog_info_t;
52 :
53 : #define MAP_PERFECT_NAME fd_native_program_fn_lookup_tbl
54 : #define MAP_PERFECT_LG_TBL_SZ 4
55 : #define MAP_PERFECT_T fd_native_prog_info_t
56 15 : #define MAP_PERFECT_HASH_C 478U
57 : #define MAP_PERFECT_KEY key.uc
58 : #define MAP_PERFECT_KEY_T fd_pubkey_t const *
59 : #define MAP_PERFECT_ZERO_KEY (0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0)
60 : #define MAP_PERFECT_COMPLEX_KEY 1
61 15 : #define MAP_PERFECT_KEYS_EQUAL(k1,k2) (!memcmp( (k1), (k2), 32UL ))
62 :
63 15 : #define PERFECT_HASH( u ) (((MAP_PERFECT_HASH_C*(u))>>28)&0xFU)
64 :
65 : #define MAP_PERFECT_HASH_PP( a00,a01,a02,a03,a04,a05,a06,a07,a08,a09,a10,a11,a12,a13,a14,a15, \
66 : a16,a17,a18,a19,a20,a21,a22,a23,a24,a25,a26,a27,a28,a29,a30,a31) \
67 : PERFECT_HASH( (a08 | (a09<<8) | (a10<<16) | (a11<<24)) )
68 15 : #define MAP_PERFECT_HASH_R( ptr ) PERFECT_HASH( fd_uint_load_4( (uchar const *)ptr + 8UL ) )
69 :
70 : #define MAP_PERFECT_0 ( VOTE_PROG_ID ), .fn = fd_vote_program_execute, .is_bpf_loader = 0
71 : #define MAP_PERFECT_1 ( SYS_PROG_ID ), .fn = fd_system_program_execute, .is_bpf_loader = 0
72 : #define MAP_PERFECT_2 ( CONFIG_PROG_ID ), .fn = fd_config_program_execute, .is_bpf_loader = 0
73 : #define MAP_PERFECT_3 ( STAKE_PROG_ID ), .fn = fd_stake_program_execute, .is_bpf_loader = 0
74 : #define MAP_PERFECT_4 ( COMPUTE_BUDGET_PROG_ID ), .fn = fd_compute_budget_program_execute, .is_bpf_loader = 0
75 : #define MAP_PERFECT_5 ( ADDR_LUT_PROG_ID ), .fn = fd_address_lookup_table_program_execute, .is_bpf_loader = 0
76 : #define MAP_PERFECT_6 ( ZK_EL_GAMAL_PROG_ID ), .fn = fd_executor_zk_elgamal_proof_program_execute, .is_bpf_loader = 0
77 : #define MAP_PERFECT_7 ( BPF_LOADER_1_PROG_ID ), .fn = fd_bpf_loader_program_execute, .is_bpf_loader = 1
78 : #define MAP_PERFECT_8 ( BPF_LOADER_2_PROG_ID ), .fn = fd_bpf_loader_program_execute, .is_bpf_loader = 1
79 : #define MAP_PERFECT_9 ( BPF_UPGRADEABLE_PROG_ID ), .fn = fd_bpf_loader_program_execute, .is_bpf_loader = 1
80 : #define MAP_PERFECT_10 ( LOADER_V4_PROG_ID ), .fn = fd_loader_v4_program_execute, .is_bpf_loader = 1
81 :
82 : #include "../../util/tmpl/fd_map_perfect.c"
83 : #undef PERFECT_HASH
84 :
85 : #define MAP_PERFECT_NAME fd_native_precompile_program_fn_lookup_tbl
86 : #define MAP_PERFECT_LG_TBL_SZ 2
87 : #define MAP_PERFECT_T fd_native_prog_info_t
88 0 : #define MAP_PERFECT_HASH_C 63546U
89 : #define MAP_PERFECT_KEY key.uc
90 : #define MAP_PERFECT_KEY_T fd_pubkey_t const *
91 : #define MAP_PERFECT_ZERO_KEY (0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0)
92 : #define MAP_PERFECT_COMPLEX_KEY 1
93 0 : #define MAP_PERFECT_KEYS_EQUAL(k1,k2) (!memcmp( (k1), (k2), 32UL ))
94 :
95 0 : #define PERFECT_HASH( u ) (((MAP_PERFECT_HASH_C*(u))>>30)&0x3U)
96 :
97 : #define MAP_PERFECT_HASH_PP( a00,a01,a02,a03,a04,a05,a06,a07,a08,a09,a10,a11,a12,a13,a14,a15, \
98 : a16,a17,a18,a19,a20,a21,a22,a23,a24,a25,a26,a27,a28,a29,a30,a31) \
99 : PERFECT_HASH( (a00 | (a01<<8)) )
100 0 : #define MAP_PERFECT_HASH_R( ptr ) PERFECT_HASH( fd_uint_load_2( (uchar const *)ptr ) )
101 :
102 : #define MAP_PERFECT_0 ( ED25519_SV_PROG_ID ), .fn = fd_precompile_ed25519_verify
103 : #define MAP_PERFECT_1 ( KECCAK_SECP_PROG_ID ), .fn = fd_precompile_secp256k1_verify
104 : #define MAP_PERFECT_2 ( SECP256R1_PROG_ID ), .fn = fd_precompile_secp256r1_verify
105 :
106 : #include "../../util/tmpl/fd_map_perfect.c"
107 : #undef PERFECT_HASH
108 :
109 : fd_exec_instr_fn_t
110 0 : fd_executor_lookup_native_precompile_program( fd_txn_account_t const * prog_acc ) {
111 0 : fd_pubkey_t const * pubkey = prog_acc->pubkey;
112 0 : const fd_native_prog_info_t null_function = {0};
113 0 : return fd_native_precompile_program_fn_lookup_tbl_query( pubkey, &null_function )->fn;
114 0 : }
115 :
116 : uchar
117 15 : fd_executor_pubkey_is_bpf_loader( fd_pubkey_t const * pubkey ) {
118 15 : fd_native_prog_info_t const null_function = {0};
119 15 : return fd_native_program_fn_lookup_tbl_query( pubkey, &null_function )->is_bpf_loader;
120 15 : }
121 :
122 : /* fd_executor_lookup_native_program returns the appropriate instruction processor for the given
123 : native program ID. Returns NULL if given ID is not a recognized native program.
124 : https://github.com/anza-xyz/agave/blob/v2.2.6/program-runtime/src/invoke_context.rs#L520-L544 */
125 : static int
126 : fd_executor_lookup_native_program( fd_txn_account_t const * prog_acc,
127 : fd_exec_txn_ctx_t * txn_ctx,
128 : fd_exec_instr_fn_t * native_prog_fn,
129 0 : uchar * is_precompile ) {
130 : /* First lookup to see if the program key is a precompile */
131 0 : *is_precompile = 0;
132 0 : *native_prog_fn = fd_executor_lookup_native_precompile_program( prog_acc );
133 0 : if( FD_UNLIKELY( *native_prog_fn!=NULL ) ) {
134 0 : *is_precompile = 1;
135 0 : return 0;
136 0 : }
137 :
138 0 : fd_pubkey_t const * pubkey = prog_acc->pubkey;
139 0 : fd_pubkey_t const * owner = prog_acc->vt->get_owner( prog_acc );
140 :
141 : /* Native programs should be owned by the native loader...
142 : This will not be the case though once core programs are migrated to BPF. */
143 0 : int is_native_program = !memcmp( owner, fd_solana_native_loader_id.key, sizeof(fd_pubkey_t) );
144 :
145 0 : if( !is_native_program && FD_FEATURE_ACTIVE_BANK( txn_ctx->bank, remove_accounts_executable_flag_checks ) ) {
146 0 : if( FD_UNLIKELY( !fd_executor_pubkey_is_bpf_loader( owner ) ) ) {
147 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
148 0 : }
149 0 : }
150 :
151 0 : fd_pubkey_t const * lookup_pubkey = is_native_program ? pubkey : owner;
152 :
153 : /* Migrated programs must be executed via the corresponding BPF
154 : loader(s), not natively. This check is performed at the transaction
155 : level, but we re-check to please the instruction level (and below)
156 : fuzzers. */
157 0 : uchar has_migrated;
158 0 : if( FD_UNLIKELY( fd_is_migrating_builtin_program( txn_ctx, lookup_pubkey, &has_migrated ) && has_migrated ) ) {
159 0 : *native_prog_fn = NULL;
160 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
161 0 : }
162 :
163 0 : fd_native_prog_info_t const null_function = {0};
164 0 : *native_prog_fn = fd_native_program_fn_lookup_tbl_query( lookup_pubkey, &null_function )->fn;
165 0 : return 0;
166 0 : }
167 :
168 : static int
169 0 : fd_executor_is_system_nonce_account( fd_txn_account_t * account, fd_spad_t * exec_spad ) {
170 0 : if( memcmp( account->vt->get_owner( account ), fd_solana_system_program_id.uc, sizeof(fd_pubkey_t) ) == 0 ) {
171 0 : if( !account->vt->get_data_len( account ) ) {
172 0 : return 0;
173 0 : } else {
174 0 : if( account->vt->get_data_len( account )!=FD_SYSTEM_PROGRAM_NONCE_DLEN ) {
175 0 : return -1;
176 0 : }
177 :
178 0 : int err;
179 0 : fd_nonce_state_versions_t * versions = fd_bincode_decode_spad(
180 0 : nonce_state_versions, exec_spad,
181 0 : account->vt->get_data( account ),
182 0 : account->vt->get_data_len( account ),
183 0 : &err );
184 0 : if( FD_UNLIKELY( err ) ) {
185 0 : return -1;
186 0 : }
187 :
188 0 : fd_nonce_state_t * state = NULL;
189 0 : if( fd_nonce_state_versions_is_current( versions ) ) {
190 0 : state = &versions->inner.current;
191 0 : } else {
192 0 : state = &versions->inner.legacy;
193 0 : }
194 :
195 0 : if( fd_nonce_state_is_initialized( state ) ) {
196 0 : return 1;
197 0 : }
198 :
199 0 : }
200 0 : }
201 :
202 0 : return -1;
203 0 : }
204 :
205 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm-rent-collector/src/svm_rent_collector.rs#L117-L136 */
206 : static uchar
207 : fd_executor_rent_transition_allowed( fd_rent_state_t const * pre_rent_state,
208 0 : fd_rent_state_t const * post_rent_state ) {
209 0 : switch( post_rent_state->discriminant ) {
210 0 : case fd_rent_state_enum_uninitialized:
211 0 : case fd_rent_state_enum_rent_exempt: {
212 0 : return 1;
213 0 : }
214 0 : case fd_rent_state_enum_rent_paying: {
215 0 : switch( pre_rent_state->discriminant ) {
216 0 : case fd_rent_state_enum_uninitialized:
217 0 : case fd_rent_state_enum_rent_exempt: {
218 0 : return 0;
219 0 : }
220 0 : case fd_rent_state_enum_rent_paying: {
221 0 : return post_rent_state->inner.rent_paying.data_size==pre_rent_state->inner.rent_paying.data_size &&
222 0 : post_rent_state->inner.rent_paying.lamports<=pre_rent_state->inner.rent_paying.lamports;
223 0 : }
224 0 : default: {
225 0 : __builtin_unreachable();
226 0 : }
227 0 : }
228 0 : }
229 0 : default: {
230 0 : __builtin_unreachable();
231 0 : }
232 0 : }
233 0 : }
234 :
235 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm-rent-collector/src/svm_rent_collector.rs#L61-L77 */
236 : static int
237 : fd_executor_check_rent_state_with_account( fd_txn_account_t const * account,
238 : fd_rent_state_t const * pre_rent_state,
239 0 : fd_rent_state_t const * post_rent_state ) {
240 0 : if( FD_UNLIKELY( memcmp( account->pubkey->key, fd_sysvar_incinerator_id.key, sizeof(fd_pubkey_t) ) &&
241 0 : !fd_executor_rent_transition_allowed( pre_rent_state, post_rent_state ) ) ) {
242 0 : return FD_RUNTIME_TXN_ERR_INSUFFICIENT_FUNDS_FOR_RENT;
243 0 : }
244 0 : return FD_RUNTIME_EXECUTE_SUCCESS;
245 0 : }
246 :
247 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm-rent-collector/src/svm_rent_collector.rs#L87-L101 */
248 : fd_rent_state_t
249 0 : fd_executor_get_account_rent_state( fd_txn_account_t const * account, fd_rent_t const * rent ) {
250 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm-rent-collector/src/svm_rent_collector.rs#L88-L89 */
251 0 : if( account->vt->get_lamports( account )==0UL ) {
252 0 : return (fd_rent_state_t){
253 0 : .discriminant = fd_rent_state_enum_uninitialized
254 0 : };
255 0 : }
256 :
257 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm-rent-collector/src/svm_rent_collector.rs#L90-L94 */
258 0 : if( account->vt->get_lamports( account )>=fd_rent_exempt_minimum_balance( rent, account->vt->get_data_len( account ) ) ) {
259 0 : return (fd_rent_state_t){
260 0 : .discriminant = fd_rent_state_enum_rent_exempt
261 0 : };
262 0 : }
263 :
264 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm-rent-collector/src/svm_rent_collector.rs#L95-L99 */
265 0 : return (fd_rent_state_t){
266 0 : .discriminant = fd_rent_state_enum_rent_paying,
267 0 : .inner = {
268 0 : .rent_paying = {
269 0 : .lamports = account->vt->get_lamports( account ),
270 0 : .data_size = account->vt->get_data_len( account )
271 0 : }
272 0 : }
273 0 : };
274 0 : }
275 :
276 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/account_loader.rs#L293-L342 */
277 : static int
278 : fd_validate_fee_payer( fd_txn_account_t * account,
279 : fd_rent_t const * rent,
280 : ulong fee,
281 0 : fd_spad_t * exec_spad ) {
282 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/account_loader.rs#L301-L304 */
283 0 : if( FD_UNLIKELY( account->vt->get_lamports( account )==0UL ) ) {
284 0 : return FD_RUNTIME_TXN_ERR_ACCOUNT_NOT_FOUND;
285 0 : }
286 :
287 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/account_loader.rs#L305-L308 */
288 0 : int is_nonce = fd_executor_is_system_nonce_account( account, exec_spad );
289 0 : if( FD_UNLIKELY( is_nonce<0 ) ) {
290 0 : return FD_RUNTIME_TXN_ERR_INVALID_ACCOUNT_FOR_FEE;
291 0 : }
292 :
293 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/account_loader.rs#L309-L318 */
294 0 : ulong min_balance = 0UL;
295 0 : if( is_nonce ) {
296 0 : min_balance = fd_rent_exempt_minimum_balance( rent, 80 );
297 0 : }
298 :
299 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/account_loader.rs#L320-L327 */
300 0 : if( FD_UNLIKELY( min_balance>account->vt->get_lamports( account ) ||
301 0 : fee>account->vt->get_lamports( account )-min_balance ) ) {
302 0 : return FD_RUNTIME_TXN_ERR_INSUFFICIENT_FUNDS_FOR_FEE;
303 0 : }
304 :
305 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/account_loader.rs#L329 */
306 0 : fd_rent_state_t payer_pre_rent_state = fd_executor_get_account_rent_state( account, rent );
307 :
308 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/account_loader.rs#L330-L332 */
309 0 : int err = account->vt->checked_sub_lamports( account, fee );
310 0 : if( FD_UNLIKELY( err!=FD_EXECUTOR_INSTR_SUCCESS ) ) {
311 0 : return FD_RUNTIME_TXN_ERR_INSUFFICIENT_FUNDS_FOR_FEE;
312 0 : }
313 :
314 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/account_loader.rs#L334 */
315 0 : fd_rent_state_t payer_post_rent_state = fd_executor_get_account_rent_state( account, rent );
316 :
317 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/account_loader.rs#L335-L342 */
318 0 : return fd_executor_check_rent_state_with_account( account, &payer_pre_rent_state, &payer_post_rent_state );
319 0 : }
320 :
321 : static int FD_FN_UNUSED
322 0 : status_check_tower( ulong slot, void * _ctx ) {
323 0 : fd_exec_txn_ctx_t * ctx = (fd_exec_txn_ctx_t *)_ctx;
324 0 : if( slot==ctx->slot ) {
325 0 : return 1;
326 0 : }
327 0 :
328 0 : if( fd_txncache_is_rooted_slot( ctx->status_cache, slot ) ) {
329 0 : return 1;
330 0 : }
331 0 :
332 0 : fd_slot_history_global_t * slot_history = fd_sysvar_slot_history_read( ctx->funk,
333 0 : ctx->funk_txn,
334 0 : ctx->spad );
335 0 : if( FD_UNLIKELY( !slot_history ) ) {
336 0 : FD_LOG_ERR(( "Unable to read and decode slot history sysvar" ));
337 0 : }
338 0 :
339 0 : if( fd_sysvar_slot_history_find_slot( slot_history,
340 0 : slot,
341 0 : ctx->runtime_pub_wksp ) == FD_SLOT_HISTORY_SLOT_FOUND ) {
342 0 : return 1;
343 0 : }
344 0 :
345 0 : return 0;
346 0 : }
347 :
348 : static int
349 0 : fd_executor_check_status_cache( fd_exec_txn_ctx_t * txn_ctx ) {
350 :
351 0 : if( FD_UNLIKELY( !txn_ctx->status_cache ) ) {
352 0 : return FD_RUNTIME_EXECUTE_SUCCESS;
353 0 : }
354 :
355 0 : fd_hash_t * blockhash = (fd_hash_t *)((uchar *)txn_ctx->_txn_raw->raw + txn_ctx->txn_descriptor->recent_blockhash_off);
356 :
357 0 : fd_txncache_query_t curr_query;
358 0 : curr_query.blockhash = blockhash->uc;
359 0 : fd_blake3_t b3[1];
360 :
361 : /* Compute the blake3 hash of the transaction message
362 : https://github.com/anza-xyz/agave/blob/v2.1.7/sdk/program/src/message/versions/mod.rs#L159-L167 */
363 0 : fd_blake3_init( b3 );
364 0 : fd_blake3_append( b3, "solana-tx-message-v1", 20UL );
365 0 : fd_blake3_append( b3, ((uchar *)txn_ctx->_txn_raw->raw + txn_ctx->txn_descriptor->message_off),(ulong)( txn_ctx->_txn_raw->txn_sz - txn_ctx->txn_descriptor->message_off ) );
366 0 : fd_blake3_fini( b3, &txn_ctx->blake_txn_msg_hash );
367 0 : curr_query.txnhash = txn_ctx->blake_txn_msg_hash.uc;
368 :
369 : // FIXME: Commenting out until txncache is fixed
370 0 : (void)curr_query;
371 : // int err;
372 : // fd_txncache_query_batch( txn_ctx->status_cache,
373 : // &curr_query,
374 : // 1UL,
375 : // (void *)txn_ctx,
376 : // status_check_tower, &err );
377 0 : return 0;
378 0 : }
379 :
380 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/runtime/src/bank/check_transactions.rs#L77-L141 */
381 : static int
382 0 : fd_executor_check_transaction_age_and_compute_budget_limits( fd_exec_txn_ctx_t * txn_ctx ) {
383 : /* Note that in Agave, although this function is called after the
384 : compute budget limits are sanitized, if the transaction age checks
385 : fail, then we return the transaction age error instead of the
386 : compute budget error.
387 : https://github.com/anza-xyz/agave/blob/v2.3.1/runtime/src/bank/check_transactions.rs#L128-L136 */
388 0 : int err = fd_check_transaction_age( txn_ctx );
389 0 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
390 0 : return err;
391 0 : }
392 :
393 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/runtime/src/bank/check_transactions.rs#L103 */
394 0 : err = fd_sanitize_compute_unit_limits( txn_ctx );
395 0 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
396 0 : return err;
397 0 : }
398 :
399 0 : return FD_RUNTIME_EXECUTE_SUCCESS;
400 0 : }
401 :
402 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/runtime/src/bank/check_transactions.rs#L61-L75 */
403 : int
404 0 : fd_executor_check_transactions( fd_exec_txn_ctx_t * txn_ctx ) {
405 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/runtime/src/bank/check_transactions.rs#L68-L73 */
406 0 : int err = fd_executor_check_transaction_age_and_compute_budget_limits( txn_ctx );
407 0 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
408 0 : return err;
409 0 : }
410 :
411 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/runtime/src/bank/check_transactions.rs#L74 */
412 0 : err = fd_executor_check_status_cache( txn_ctx );
413 0 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
414 0 : return err;
415 0 : }
416 :
417 0 : return FD_RUNTIME_EXECUTE_SUCCESS;
418 0 : }
419 :
420 : /* `verify_transaction()` is the first function called in the
421 : transaction execution pipeline. It is responsible for deserializing
422 : the transaction, verifying the message hash (sigverify), verifying
423 : the precompiles, and processing compute budget instructions. We
424 : leave sigverify out for now to easily bypass this function's
425 : checks for fuzzing.
426 :
427 : TODO: Maybe support adding sigverify in here, and toggling it
428 : on/off with a flag.
429 :
430 : https://github.com/anza-xyz/agave/blob/v2.3.1/runtime/src/bank.rs#L5725-L5753 */
431 : int
432 0 : fd_executor_verify_transaction( fd_exec_txn_ctx_t * txn_ctx ) {
433 0 : int err = FD_RUNTIME_EXECUTE_SUCCESS;
434 :
435 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/transaction_processor.rs#L566-L569 */
436 0 : err = fd_executor_compute_budget_program_execute_instructions( txn_ctx );
437 0 : if( FD_UNLIKELY( err ) ) return err;
438 :
439 0 : return FD_RUNTIME_EXECUTE_SUCCESS;
440 0 : }
441 :
442 : static void
443 0 : fd_executor_setup_instr_infos_from_txn_instrs( fd_exec_txn_ctx_t * txn_ctx ) {
444 0 : ushort instr_cnt = txn_ctx->txn_descriptor->instr_cnt;
445 :
446 : /* Set up the instr infos for the transaction */
447 0 : for( ushort i=0; i<instr_cnt; i++ ) {
448 0 : fd_txn_instr_t const * instr = &txn_ctx->txn_descriptor->instr[i];
449 0 : fd_instr_info_init_from_txn_instr( &txn_ctx->instr_infos[i], txn_ctx, instr );
450 0 : }
451 :
452 0 : txn_ctx->instr_info_cnt = instr_cnt;
453 0 : }
454 :
455 : /* https://github.com/anza-xyz/agave/blob/v2.0.9/svm/src/account_loader.rs#L410-427 */
456 : static int
457 : accumulate_and_check_loaded_account_data_size( ulong acc_size,
458 : ulong requested_loaded_accounts_data_size,
459 0 : ulong * accumulated_account_size ) {
460 0 : *accumulated_account_size = fd_ulong_sat_add( *accumulated_account_size, acc_size );
461 0 : if( FD_UNLIKELY( *accumulated_account_size>requested_loaded_accounts_data_size ) ) {
462 0 : return FD_RUNTIME_TXN_ERR_MAX_LOADED_ACCOUNTS_DATA_SIZE_EXCEEDED;
463 0 : }
464 0 : return FD_RUNTIME_EXECUTE_SUCCESS;
465 0 : }
466 :
467 : /* This function contains special casing for loading and collecting rent from
468 : each transaction account. The logic is as follows:
469 : 1. If the account is the instructions sysvar, then load in the compiled
470 : instructions from the transactions into the sysvar's data.
471 : 2. If the account is a fee payer, then it is already loaded.
472 : 3. Otherwise load in the account from the accounts DB. If the account is
473 : writable and exists, try to collect rent from it.
474 :
475 : https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L536-L580 */
476 : static void
477 : load_transaction_account( fd_exec_txn_ctx_t * txn_ctx,
478 : fd_txn_account_t * acct,
479 : uchar is_writable,
480 : ulong epoch,
481 0 : uchar unknown_acc ) {
482 : /* Handling the sysvar instructions account explictly.
483 : https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L544-L551 */
484 0 : if( FD_UNLIKELY( !memcmp( acct->pubkey->key, fd_sysvar_instructions_id.key, sizeof(fd_pubkey_t) ) ) ) {
485 0 : fd_sysvar_instructions_serialize_account( txn_ctx, (fd_instr_info_t const *)txn_ctx->instr_infos, txn_ctx->txn_descriptor->instr_cnt );
486 0 : return;
487 0 : }
488 :
489 : /* This next block calls `load_account()` which loads the account from the accounts db. If the
490 : account exists and is writable, collect rent from it.
491 : https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L552-L565 */
492 0 : if( FD_LIKELY( !unknown_acc ) ) {
493 0 : if( is_writable ) {
494 0 : txn_ctx->collected_rent += fd_runtime_collect_rent_from_account( fd_bank_epoch_schedule_query( txn_ctx->bank ),
495 0 : fd_bank_rent_query( txn_ctx->bank ),
496 0 : fd_bank_slots_per_year_get( txn_ctx->bank ),
497 0 : acct,
498 0 : epoch );
499 0 : acct->starting_lamports = acct->vt->get_lamports( acct ); /* TODO: why do we do this everywhere? */
500 0 : }
501 0 : return;
502 0 : }
503 :
504 : /* The rest of this function is a no-op for us since we already set up the transaction accounts
505 : for unknown accounts within `fd_executor_setup_accounts_for_txn()`.
506 : https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L566-L577 */
507 0 : }
508 :
509 : /* This big function contains a lot of logic and special casing for loading transaction accounts.
510 : Because of the `enable_transaction_loading_failure_fees` feature, it is imperative that we
511 : are conformant with Agave's logic here and reject / accept transactions here where they do.
512 :
513 : In the firedancer client only some of these steps are necessary because
514 : all of the accounts are loaded in from the accounts db into borrowed
515 : accounts already.
516 :
517 : https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L393-L534 */
518 : int
519 0 : fd_executor_load_transaction_accounts( fd_exec_txn_ctx_t * txn_ctx ) {
520 0 : ulong requested_loaded_accounts_data_size = txn_ctx->compute_budget_details.loaded_accounts_data_size_limit;
521 0 : fd_epoch_schedule_t const * schedule = fd_sysvar_epoch_schedule_read( txn_ctx->funk, txn_ctx->funk_txn, txn_ctx->spad );
522 0 : if( FD_UNLIKELY( !schedule ) ) {
523 0 : FD_LOG_ERR(( "Unable to read and decode epoch schedule sysvar" ));
524 0 : }
525 :
526 0 : ulong epoch = fd_slot_to_epoch( schedule, txn_ctx->slot, NULL );
527 :
528 : /* https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L429-L443 */
529 0 : for( ushort i=0; i<txn_ctx->accounts_cnt; i++ ) {
530 0 : fd_txn_account_t * acct = &txn_ctx->accounts[i];
531 0 : uchar unknown_acc = !!(fd_exec_txn_ctx_get_account_at_index( txn_ctx, i, &acct, fd_txn_account_check_exists ) ||
532 0 : acct->vt->get_lamports( acct )==0UL);
533 0 : ulong acc_size = unknown_acc ? 0UL : acct->vt->get_data_len( acct );
534 0 : uchar is_writable = !!(fd_exec_txn_ctx_account_is_writable_idx( txn_ctx, i ));
535 :
536 : /* Collect the fee payer account separately
537 : https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L429-L431 */
538 0 : if( FD_UNLIKELY( i==FD_FEE_PAYER_TXN_IDX ) ) {
539 : /* Note that the dlen for most fee payers is 0, but we want to consider the case where the fee payer
540 : is a nonce account. */
541 0 : int err = accumulate_and_check_loaded_account_data_size( acc_size,
542 0 : requested_loaded_accounts_data_size,
543 0 : &txn_ctx->loaded_accounts_data_size );
544 0 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
545 0 : return err;
546 0 : }
547 0 : continue;
548 0 : }
549 :
550 : /* https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L435-L441 */
551 0 : load_transaction_account( txn_ctx, acct, is_writable, epoch, unknown_acc );
552 :
553 : /* https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L442 */
554 0 : int err = accumulate_and_check_loaded_account_data_size( acc_size,
555 0 : requested_loaded_accounts_data_size,
556 0 : &txn_ctx->loaded_accounts_data_size );
557 :
558 0 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
559 0 : return err;
560 0 : }
561 0 : }
562 :
563 : /* TODO: Consider using a hash set (if its more performant) */
564 0 : ushort instr_cnt = txn_ctx->txn_descriptor->instr_cnt;
565 0 : fd_pubkey_t validated_loaders[instr_cnt];
566 0 : ushort validated_loaders_cnt = 0;
567 :
568 : /* The logic below handles special casing with loading instruction accounts.
569 : https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L445-L525 */
570 0 : for( ushort i=0; i<instr_cnt; i++ ) {
571 0 : fd_txn_instr_t const * instr = &txn_ctx->txn_descriptor->instr[i];
572 :
573 : /* https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L449-L451 */
574 0 : if( FD_UNLIKELY( !memcmp( txn_ctx->account_keys[ instr->program_id ].key, fd_solana_native_loader_id.key, sizeof(fd_pubkey_t) ) ) ) {
575 0 : continue;
576 0 : }
577 :
578 : /* Mimicking `load_account()` here with 0-lamport check as well.
579 : https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L455-L462 */
580 0 : fd_txn_account_t * program_account = NULL;
581 0 : int err = fd_exec_txn_ctx_get_account_at_index( txn_ctx,
582 0 : instr->program_id,
583 0 : &program_account,
584 0 : fd_txn_account_check_exists );
585 0 : if( FD_UNLIKELY( err!=FD_ACC_MGR_SUCCESS || program_account->vt->get_lamports( program_account )==0UL ) ) {
586 0 : return FD_RUNTIME_TXN_ERR_PROGRAM_ACCOUNT_NOT_FOUND;
587 0 : }
588 :
589 : /* https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L464-L471 */
590 0 : if( FD_UNLIKELY( !FD_FEATURE_ACTIVE_BANK( txn_ctx->bank, remove_accounts_executable_flag_checks ) &&
591 0 : !program_account->vt->is_executable( program_account ) ) ) {
592 0 : return FD_RUNTIME_TXN_ERR_INVALID_PROGRAM_FOR_EXECUTION;
593 0 : }
594 :
595 : /* https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L474-L477 */
596 0 : if( !memcmp( program_account->vt->get_owner( program_account ), fd_solana_native_loader_id.key, sizeof(fd_pubkey_t) ) ) {
597 0 : continue;
598 0 : }
599 :
600 : /* https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L479-L522 */
601 0 : uchar loader_seen = 0;
602 0 : for( ushort j=0; j<validated_loaders_cnt; j++ ) {
603 0 : if( !memcmp( validated_loaders[j].key, program_account->vt->get_owner( program_account ), sizeof(fd_pubkey_t) ) ) {
604 : /* If the owner account has already been seen, skip the owner checks
605 : and do not acccumulate the account size. */
606 0 : loader_seen = 1;
607 0 : break;
608 0 : }
609 0 : }
610 0 : if( loader_seen ) continue;
611 :
612 : /* The agave client does checks on the program account's owners as well.
613 : However, it is important to not do these checks multiple times as the
614 : total size of accounts and their owners are accumulated: duplicate owners
615 : should be avoided.
616 : https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L496-L517 */
617 0 : FD_TXN_ACCOUNT_DECL( owner_account );
618 0 : err = fd_txn_account_init_from_funk_readonly( owner_account,
619 0 : program_account->vt->get_owner( program_account ),
620 0 : txn_ctx->funk,
621 0 : txn_ctx->funk_txn );
622 0 : if( FD_UNLIKELY( err!=FD_ACC_MGR_SUCCESS ) ) {
623 : /* https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L520 */
624 0 : return FD_RUNTIME_TXN_ERR_PROGRAM_ACCOUNT_NOT_FOUND;
625 0 : }
626 :
627 :
628 : /* https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L502-L510 */
629 0 : if( FD_UNLIKELY( memcmp( owner_account->vt->get_owner( owner_account ), fd_solana_native_loader_id.key, sizeof(fd_pubkey_t) ) ||
630 0 : ( !FD_FEATURE_ACTIVE_BANK( txn_ctx->bank, remove_accounts_executable_flag_checks ) &&
631 0 : !owner_account->vt->is_executable( owner_account ) ) ) ) {
632 0 : return FD_RUNTIME_TXN_ERR_INVALID_PROGRAM_FOR_EXECUTION;
633 0 : }
634 :
635 : /* Count the owner's data in the loaded account size for program accounts.
636 : However, it is important to not double count repeated owners.
637 : https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L511-L517 */
638 0 : err = accumulate_and_check_loaded_account_data_size( owner_account->vt->get_data_len( owner_account ),
639 0 : requested_loaded_accounts_data_size,
640 0 : &txn_ctx->loaded_accounts_data_size );
641 0 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
642 0 : return err;
643 0 : }
644 :
645 0 : fd_memcpy( validated_loaders[ validated_loaders_cnt++ ].key, owner_account->pubkey, sizeof(fd_pubkey_t) );
646 0 : }
647 :
648 0 : return FD_RUNTIME_EXECUTE_SUCCESS;
649 0 : }
650 :
651 : /* https://github.com/anza-xyz/agave/blob/838c1952595809a31520ff1603a13f2c9123aa51/accounts-db/src/account_locks.rs#L118 */
652 : int
653 0 : fd_executor_validate_account_locks( fd_exec_txn_ctx_t const * txn_ctx ) {
654 : /* Ensure the number of account keys does not exceed the transaction lock limit
655 : https://github.com/anza-xyz/agave/blob/v2.2.17/accounts-db/src/account_locks.rs#L121 */
656 0 : ulong tx_account_lock_limit = get_transaction_account_lock_limit( txn_ctx );
657 0 : if( FD_UNLIKELY( txn_ctx->accounts_cnt>tx_account_lock_limit ) ) {
658 0 : return FD_RUNTIME_TXN_ERR_TOO_MANY_ACCOUNT_LOCKS;
659 0 : }
660 :
661 : /* Duplicate account check
662 : https://github.com/anza-xyz/agave/blob/v2.2.17/accounts-db/src/account_locks.rs#L123 */
663 0 : for( ushort i=0; i<txn_ctx->accounts_cnt; i++ ) {
664 0 : for( ushort j=(ushort)(i+1U); j<txn_ctx->accounts_cnt; j++ ) {
665 0 : if( FD_UNLIKELY( !memcmp( &txn_ctx->account_keys[i], &txn_ctx->account_keys[j], sizeof(fd_pubkey_t) ) ) ) {
666 0 : return FD_RUNTIME_TXN_ERR_ACCOUNT_LOADED_TWICE;
667 0 : }
668 0 : }
669 0 : }
670 :
671 : /* https://github.com/anza-xyz/agave/blob/v2.2.17/accounts-db/src/account_locks.rs#L124-L126 */
672 0 : return FD_RUNTIME_EXECUTE_SUCCESS;
673 0 : }
674 :
675 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/compute-budget/src/compute_budget_limits.rs#L62-L70 */
676 : static ulong
677 0 : fd_get_prioritization_fee( fd_compute_budget_details_t const * compute_budget_details ) {
678 0 : uint128 micro_lamport_fee = fd_uint128_sat_mul( compute_budget_details->compute_unit_price, compute_budget_details->compute_unit_limit );
679 0 : uint128 fee = fd_uint128_sat_add( micro_lamport_fee, MICRO_LAMPORTS_PER_LAMPORT-1UL ) / MICRO_LAMPORTS_PER_LAMPORT;
680 0 : return fee>(uint128)ULONG_MAX ? ULONG_MAX : (ulong)fee;
681 0 : }
682 :
683 : static ulong
684 0 : fd_executor_lamports_per_signature( fd_fee_rate_governor_t const * fee_rate_governor ) {
685 : // https://github.com/solana-labs/solana/blob/8f2c8b8388a495d2728909e30460aa40dcc5d733/sdk/program/src/fee_calculator.rs#L110
686 0 : return fee_rate_governor->target_lamports_per_signature / 2;
687 0 : }
688 :
689 : static void
690 : fd_executor_calculate_fee( fd_exec_txn_ctx_t * txn_ctx,
691 : fd_txn_t const * txn_descriptor,
692 : fd_rawtxn_b_t const * txn_raw,
693 : ulong * ret_execution_fee,
694 0 : ulong * ret_priority_fee) {
695 : /* The execution fee is just the signature fee. The priority fee
696 : is calculated based on the compute budget details.
697 : https://github.com/anza-xyz/agave/blob/v2.3.1/fee/src/lib.rs#L66-L83 */
698 :
699 : // let signature_fee = Self::get_num_signatures_in_message(message) .saturating_mul(fee_structure.lamports_per_signature);
700 0 : ulong num_signatures = txn_descriptor->signature_cnt;
701 0 : for (ushort i=0; i<txn_descriptor->instr_cnt; ++i ) {
702 0 : fd_txn_instr_t const * txn_instr = &txn_descriptor->instr[i];
703 0 : fd_pubkey_t * program_id = &txn_ctx->account_keys[txn_instr->program_id];
704 0 : if( !memcmp(program_id->uc, fd_solana_keccak_secp_256k_program_id.key, sizeof(fd_pubkey_t)) ||
705 0 : !memcmp(program_id->uc, fd_solana_ed25519_sig_verify_program_id.key, sizeof(fd_pubkey_t)) ||
706 0 : (!memcmp(program_id->uc, fd_solana_secp256r1_program_id.key, sizeof(fd_pubkey_t)) && FD_FEATURE_ACTIVE_BANK( txn_ctx->bank, enable_secp256r1_precompile )) ) {
707 0 : if( !txn_instr->data_sz ) {
708 0 : continue;
709 0 : }
710 0 : uchar * data = (uchar *)txn_raw->raw + txn_instr->data_off;
711 0 : num_signatures = fd_ulong_sat_add(num_signatures, (ulong)(data[0]));
712 0 : }
713 0 : }
714 :
715 0 : *ret_execution_fee = fd_executor_lamports_per_signature( fd_bank_fee_rate_governor_query( txn_ctx->bank ) ) * num_signatures;
716 0 : *ret_priority_fee = fd_get_prioritization_fee( &txn_ctx->compute_budget_details );
717 0 : }
718 :
719 : /* This function creates a rollback account for just the fee payer. Although Agave
720 : also sets up rollback accounts for both the fee payer and nonce account here,
721 : we already set up the rollback nonce account in earlier sanitization checks. Here
722 : we have to capture the entire fee payer record so that if the transaction fails,
723 : the fee payer state can be rolled back to it's state pre-transaction, and then debited
724 : any transaction fees.
725 :
726 : Our implementation is slightly different than Agave's in several ways:
727 : 1. The rollback nonce account has already been set up when checking the transaction age
728 : 2. When the nonce and fee payer accounts are the same...
729 : - Agave copies the data from the rollback nonce account into the rollback fee payer account,
730 : and then uses that new fee payer account as the rollback account.
731 : - We simply set the rent epoch and lamports of the rollback nonce account (since the other fields
732 : of the account do not change)
733 :
734 : https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/rollback_accounts.rs#L34-L77 */
735 : static void
736 : fd_executor_create_rollback_fee_payer_account( fd_exec_txn_ctx_t * txn_ctx,
737 0 : ulong total_fee ) {
738 0 : fd_txn_account_t * fee_payer_rec = &txn_ctx->accounts[FD_FEE_PAYER_TXN_IDX];
739 0 : fd_txn_account_t * rollback_fee_payer_rec;
740 :
741 : /* When setting the data of the rollback fee payer, there is an edge case where the fee payer is the nonce account.
742 : In this case, we can just deduct fees from the nonce account and return, because we save the nonce account in the
743 : commit phase anyways. */
744 0 : if( FD_UNLIKELY( txn_ctx->nonce_account_idx_in_txn==FD_FEE_PAYER_TXN_IDX ) ) {
745 0 : rollback_fee_payer_rec = txn_ctx->rollback_nonce_account;
746 :
747 : /* We also need to update the rent epoch because technically, Agave copies these fields
748 : from the fee payer account (since the rollback account does not reflect these changes yet) */
749 0 : rollback_fee_payer_rec->vt->set_rent_epoch( rollback_fee_payer_rec,
750 0 : fee_payer_rec->vt->get_rent_epoch( fee_payer_rec ) );
751 0 : } else {
752 :
753 : /* In this case, the fee payer is not equal to the nonce account (whether or not it exists).
754 : Load in a copy of the fee payer account from funk */
755 0 : rollback_fee_payer_rec = fd_txn_account_init( txn_ctx->rollback_fee_payer_account );
756 0 : fd_txn_account_init_from_funk_readonly( rollback_fee_payer_rec, &txn_ctx->account_keys[FD_FEE_PAYER_TXN_IDX], txn_ctx->funk, txn_ctx->funk_txn );
757 0 : memcpy( rollback_fee_payer_rec->pubkey->key, &txn_ctx->account_keys[FD_FEE_PAYER_TXN_IDX], sizeof(fd_pubkey_t) );
758 :
759 : /* This allocation should only ever be 104 bytes (since dlen should be 0). */
760 0 : ulong data_len = txn_ctx->accounts[FD_FEE_PAYER_TXN_IDX].vt->get_data_len( &txn_ctx->accounts[FD_FEE_PAYER_TXN_IDX] );
761 0 : void * fee_payer_data = fd_spad_alloc( txn_ctx->spad, FD_ACCOUNT_REC_ALIGN, sizeof(fd_account_meta_t) + data_len );
762 0 : fd_txn_account_make_mutable( rollback_fee_payer_rec, fee_payer_data, txn_ctx->spad_wksp );
763 :
764 : /* There's another weird edge case where if the transaction contains a nonce account, you also have
765 : to save the rent epoch field of the fee payer account.
766 : https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/rollback_accounts.rs#L68-L75 */
767 0 : if( txn_ctx->nonce_account_idx_in_txn!=ULONG_MAX ) {
768 0 : rollback_fee_payer_rec->vt->set_rent_epoch( rollback_fee_payer_rec,
769 0 : fee_payer_rec->vt->get_rent_epoch( fee_payer_rec ) );
770 0 : }
771 0 : }
772 :
773 : /* Deduct the transaction fees from the rollback account. Because of prior checks, this should never fail. */
774 0 : if( FD_UNLIKELY( rollback_fee_payer_rec->vt->checked_sub_lamports( rollback_fee_payer_rec, total_fee ) ) ) {
775 0 : FD_LOG_ERR(( "fd_executor_create_rollback_fee_payer_account(): failed to deduct fees from rollback account" ));
776 0 : }
777 0 : }
778 :
779 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/transaction_processor.rs#L557-L634 */
780 : int
781 0 : fd_executor_validate_transaction_fee_payer( fd_exec_txn_ctx_t * txn_ctx ) {
782 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/transaction_processor.rs#L574-L580 */
783 0 : fd_txn_account_t * fee_payer_rec = NULL;
784 0 : int err = fd_exec_txn_ctx_get_account_at_index( txn_ctx,
785 0 : FD_FEE_PAYER_TXN_IDX,
786 0 : &fee_payer_rec,
787 0 : fd_txn_account_check_fee_payer_writable );
788 0 : if( FD_UNLIKELY( err!=FD_ACC_MGR_SUCCESS ) ) {
789 0 : return FD_RUNTIME_TXN_ERR_ACCOUNT_NOT_FOUND;
790 0 : }
791 :
792 : /* Collect rent from the fee payer
793 : https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/transaction_processor.rs#L583-L589 */
794 0 : ulong epoch = fd_slot_to_epoch( fd_bank_epoch_schedule_query( txn_ctx->bank ), txn_ctx->slot, NULL );
795 0 : txn_ctx->collected_rent += fd_runtime_collect_rent_from_account( fd_bank_epoch_schedule_query( txn_ctx->bank ),
796 0 : fd_bank_rent_query( txn_ctx->bank ),
797 0 : fd_bank_slots_per_year_get( txn_ctx->bank ),
798 0 : fee_payer_rec,
799 0 : epoch );
800 :
801 : /* Calculate transaction fees
802 : https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/transaction_processor.rs#L597-L606 */
803 0 : ulong execution_fee = 0UL;
804 0 : ulong priority_fee = 0UL;
805 :
806 0 : fd_executor_calculate_fee( txn_ctx, txn_ctx->txn_descriptor, txn_ctx->_txn_raw, &execution_fee, &priority_fee );
807 0 : ulong total_fee = fd_ulong_sat_add( execution_fee, priority_fee );
808 :
809 0 : if( !FD_FEATURE_ACTIVE_BANK( txn_ctx->bank, remove_rounding_in_fee_calculation ) ) {
810 0 : total_fee = fd_rust_cast_double_to_ulong( round( (double)total_fee ) );
811 0 : }
812 :
813 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/transaction_processor.rs#L609-L616 */
814 0 : err = fd_validate_fee_payer( fee_payer_rec, fd_bank_rent_query( txn_ctx->bank ), total_fee, txn_ctx->spad );
815 0 : if( FD_UNLIKELY( err ) ) {
816 0 : return err;
817 0 : }
818 :
819 : /* Create the rollback fee payer account
820 : https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/transaction_processor.rs#L620-L626 */
821 0 : fd_executor_create_rollback_fee_payer_account( txn_ctx, total_fee );
822 :
823 : /* Set the starting lamports (to avoid unbalanced lamports issues in instruction execution) */
824 0 : fee_payer_rec->starting_lamports = fee_payer_rec->vt->get_lamports( fee_payer_rec ); /* TODO: why do we do this everywhere? */
825 :
826 0 : txn_ctx->execution_fee = execution_fee;
827 0 : txn_ctx->priority_fee = priority_fee;
828 :
829 0 : return FD_RUNTIME_EXECUTE_SUCCESS;
830 0 : }
831 :
832 : /* Simply unpacks the account keys from the serialized transaction and sets them in the txn_ctx. */
833 : void
834 0 : fd_executor_setup_txn_account_keys( fd_exec_txn_ctx_t * txn_ctx ) {
835 0 : txn_ctx->accounts_cnt = (uchar)txn_ctx->txn_descriptor->acct_addr_cnt;
836 0 : fd_pubkey_t * tx_accs = (fd_pubkey_t *)((uchar *)txn_ctx->_txn_raw->raw + txn_ctx->txn_descriptor->acct_addr_off);
837 :
838 : // Set up accounts in the transaction body and perform checks
839 0 : for( ulong i = 0UL; i < txn_ctx->txn_descriptor->acct_addr_cnt; i++ ) {
840 0 : txn_ctx->account_keys[i] = tx_accs[i];
841 0 : }
842 0 : }
843 :
844 : /* Resolves any address lookup tables referenced in the transaction and adds
845 : them to the transaction's account keys. Returns 0 on success or if the transaction
846 : is a legacy transaction, and 1 on failure. */
847 : int
848 0 : fd_executor_setup_txn_alut_account_keys( fd_exec_txn_ctx_t * txn_ctx ) {
849 0 : if( txn_ctx->txn_descriptor->transaction_version == FD_TXN_V0 ) {
850 : /* https://github.com/anza-xyz/agave/blob/368ea563c423b0a85cc317891187e15c9a321521/runtime/src/bank/address_lookup_table.rs#L44-L48 */
851 0 : fd_slot_hashes_global_t const * slot_hashes_global = fd_sysvar_slot_hashes_read( txn_ctx->funk, txn_ctx->funk_txn, txn_ctx->spad );
852 0 : if( FD_UNLIKELY( !slot_hashes_global ) ) {
853 0 : return FD_RUNTIME_TXN_ERR_ACCOUNT_NOT_FOUND;
854 0 : }
855 :
856 0 : fd_slot_hash_t * slot_hash = deq_fd_slot_hash_t_join( (uchar *)slot_hashes_global + slot_hashes_global->hashes_offset );
857 :
858 0 : fd_acct_addr_t * accts_alt = (fd_acct_addr_t *) fd_type_pun( &txn_ctx->account_keys[txn_ctx->accounts_cnt] );
859 0 : int err = fd_runtime_load_txn_address_lookup_tables( txn_ctx->txn_descriptor,
860 0 : txn_ctx->_txn_raw->raw,
861 0 : txn_ctx->funk,
862 0 : txn_ctx->funk_txn,
863 0 : txn_ctx->slot,
864 0 : slot_hash,
865 0 : accts_alt );
866 0 : txn_ctx->accounts_cnt += txn_ctx->txn_descriptor->addr_table_adtl_cnt;
867 0 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) return err;
868 :
869 0 : }
870 0 : return FD_RUNTIME_EXECUTE_SUCCESS;
871 0 : }
872 :
873 : /* https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/sdk/src/transaction_context.rs#L319-L357 */
874 : static inline int
875 : fd_txn_ctx_push( fd_exec_txn_ctx_t * txn_ctx,
876 0 : fd_instr_info_t * instr ) {
877 : /* Earlier checks in the permalink are redundant since Agave maintains instr stack and trace accounts separately
878 : https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/sdk/src/transaction_context.rs#L327-L328 */
879 0 : ulong starting_lamports_h = 0UL;
880 0 : ulong starting_lamports_l = 0UL;
881 0 : int err = fd_instr_info_sum_account_lamports( instr,
882 0 : txn_ctx,
883 0 : &starting_lamports_h,
884 0 : &starting_lamports_l );
885 0 : if( FD_UNLIKELY( err ) ) {
886 0 : return err;
887 0 : }
888 0 : instr->starting_lamports_h = starting_lamports_h;
889 0 : instr->starting_lamports_l = starting_lamports_l;
890 :
891 : /* Check that the caller's lamport sum has not changed.
892 : https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/sdk/src/transaction_context.rs#L329-L340 */
893 0 : if( txn_ctx->instr_stack_sz>0 ) {
894 : /* https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/sdk/src/transaction_context.rs#L330 */
895 0 : fd_exec_instr_ctx_t const * caller_instruction_context = &txn_ctx->instr_stack[ txn_ctx->instr_stack_sz-1 ];
896 :
897 : /* https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/sdk/src/transaction_context.rs#L331-L332 */
898 0 : ulong original_caller_lamport_sum_h = caller_instruction_context->instr->starting_lamports_h;
899 0 : ulong original_caller_lamport_sum_l = caller_instruction_context->instr->starting_lamports_l;
900 :
901 : /* https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/sdk/src/transaction_context.rs#L333-L334 */
902 0 : ulong current_caller_lamport_sum_h = 0UL;
903 0 : ulong current_caller_lamport_sum_l = 0UL;
904 0 : int err = fd_instr_info_sum_account_lamports( caller_instruction_context->instr,
905 0 : caller_instruction_context->txn_ctx,
906 0 : ¤t_caller_lamport_sum_h,
907 0 : ¤t_caller_lamport_sum_l );
908 0 : if( FD_UNLIKELY( err ) ) {
909 0 : return err;
910 0 : }
911 :
912 : /* https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/sdk/src/transaction_context.rs#L335-L339 */
913 0 : if( FD_UNLIKELY( current_caller_lamport_sum_h!=original_caller_lamport_sum_h ||
914 0 : current_caller_lamport_sum_l!=original_caller_lamport_sum_l ) ) {
915 0 : return FD_EXECUTOR_INSTR_ERR_UNBALANCED_INSTR;
916 0 : }
917 0 : }
918 :
919 : /* https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/sdk/src/transaction_context.rs#L347-L351 */
920 0 : if( FD_UNLIKELY( txn_ctx->instr_trace_length>=FD_MAX_INSTRUCTION_TRACE_LENGTH ) ) {
921 0 : return FD_EXECUTOR_INSTR_ERR_MAX_INSN_TRACE_LENS_EXCEEDED;
922 0 : }
923 0 : txn_ctx->instr_trace_length++;
924 :
925 : /* https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/sdk/src/transaction_context.rs#L352-L356 */
926 0 : if( FD_UNLIKELY( txn_ctx->instr_stack_sz>=FD_MAX_INSTRUCTION_STACK_DEPTH ) ) {
927 0 : return FD_EXECUTOR_INSTR_ERR_CALL_DEPTH;
928 0 : }
929 0 : txn_ctx->instr_stack_sz++;
930 :
931 : /* A beloved refactor moves sysvar instructions updating to the instruction level as of v2.2.12...
932 : https://github.com/anza-xyz/agave/blob/v2.2.12/transaction-context/src/lib.rs#L396-L407 */
933 0 : int idx = fd_exec_txn_ctx_find_index_of_account( txn_ctx, &fd_sysvar_instructions_id );
934 0 : if( FD_UNLIKELY( idx!=-1 ) ) {
935 : /* https://github.com/anza-xyz/agave/blob/v2.2.12/transaction-context/src/lib.rs#L397-L400 */
936 0 : fd_txn_account_t * sysvar_instructions_account = NULL;
937 0 : err = fd_exec_txn_ctx_get_account_at_index( txn_ctx, (ushort)idx, &sysvar_instructions_account, NULL );
938 0 : if( FD_UNLIKELY( err ) ) {
939 0 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
940 0 : }
941 :
942 : /* https://github.com/anza-xyz/agave/blob/v2.2.12/transaction-context/src/lib.rs#L401-L402 */
943 0 : if( FD_UNLIKELY( !sysvar_instructions_account->vt->try_borrow_mut( sysvar_instructions_account ) ) ) {
944 0 : return FD_EXECUTOR_INSTR_ERR_ACC_BORROW_FAILED;
945 0 : }
946 :
947 : /* https://github.com/anza-xyz/agave/blob/v2.2.12/transaction-context/src/lib.rs#L403-L406 */
948 0 : fd_sysvar_instructions_update_current_instr_idx( sysvar_instructions_account, (ushort)txn_ctx->current_instr_idx );
949 0 : sysvar_instructions_account->vt->drop( sysvar_instructions_account );
950 0 : }
951 :
952 0 : return FD_EXECUTOR_INSTR_SUCCESS;
953 0 : }
954 :
955 : /* Pushes a new instruction onto the instruction stack and trace. This check loops through all instructions in the current call stack
956 : and checks for reentrancy violations. If successful, simply increments the instruction stack and trace size and returns. It is
957 : the responsibility of the caller to populate the newly pushed instruction fields, which are undefined otherwise.
958 :
959 : https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/program-runtime/src/invoke_context.rs#L246-L290 */
960 : int
961 : fd_instr_stack_push( fd_exec_txn_ctx_t * txn_ctx,
962 0 : fd_instr_info_t * instr ) {
963 : /* Agave keeps a vector of vectors called program_indices that stores the program_id index for each instruction within the transaction.
964 : https://github.com/anza-xyz/agave/blob/v2.1.7/svm/src/account_loader.rs#L347-L402
965 : If and only if the program_id is the native loader, then the vector for respective specific instruction (account_indices) is empty.
966 : https://github.com/anza-xyz/agave/blob/v2.1.7/svm/src/account_loader.rs#L350-L358
967 : While trying to push a new instruction onto the instruction stack, if the vector for the respective instruction is empty, Agave throws UnsupportedProgramId
968 : https://github.com/anza-xyz/agave/blob/v2.1.7/program-runtime/src/invoke_context.rs#L253-L255
969 : The only way for the vector to be empty is if the program_id is the native loader, so we can a program_id check here
970 : */
971 :
972 : /* https://github.com/anza-xyz/agave/blob/v2.2.0/program-runtime/src/invoke_context.rs#L250-L252 */
973 0 : fd_pubkey_t const * program_id_pubkey = NULL;
974 0 : int err = fd_exec_txn_ctx_get_key_of_account_at_index( txn_ctx,
975 0 : instr->program_id,
976 0 : &program_id_pubkey );
977 0 : if( FD_UNLIKELY( err ||
978 0 : !memcmp( program_id_pubkey->key, fd_solana_native_loader_id.key, sizeof(fd_pubkey_t) ) ) ) {
979 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
980 0 : }
981 :
982 : /* https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/program-runtime/src/invoke_context.rs#L256-L286 */
983 0 : if( txn_ctx->instr_stack_sz ) {
984 : /* https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/program-runtime/src/invoke_context.rs#L261-L285 */
985 0 : uchar contains = 0;
986 0 : uchar is_last = 0;
987 :
988 : // Checks all previous instructions in the stack for reentrancy
989 0 : for( uchar level=0; level<txn_ctx->instr_stack_sz; level++ ) {
990 0 : fd_exec_instr_ctx_t * instr_ctx = &txn_ctx->instr_stack[level];
991 : // Optimization: compare program id index instead of pubkey since account keys are unique
992 0 : if( instr->program_id == instr_ctx->instr->program_id ) {
993 : // Reentrancy not allowed unless caller is calling itself
994 0 : if( level == txn_ctx->instr_stack_sz-1 ) {
995 0 : is_last = 1;
996 0 : }
997 0 : contains = 1;
998 0 : }
999 0 : }
1000 : /* https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/program-runtime/src/invoke_context.rs#L282-L285 */
1001 0 : if( FD_UNLIKELY( contains && !is_last ) ) {
1002 0 : return FD_EXECUTOR_INSTR_ERR_REENTRANCY_NOT_ALLOWED;
1003 0 : }
1004 0 : }
1005 : /* "Push" a new instruction onto the stack by simply incrementing the stack and trace size counters
1006 : https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/program-runtime/src/invoke_context.rs#L289 */
1007 0 : return fd_txn_ctx_push( txn_ctx, instr );
1008 0 : }
1009 :
1010 : /* Pops an instruction from the instruction stack. Agave's implementation performs instruction balancing checks every time pop is called,
1011 : but error codes returned from `pop` are only used if the program's execution was successful. Therefore, we can optimize our code by only
1012 : checking for unbalanced instructions if the program execution was successful within fd_execute_instr.
1013 :
1014 : https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/program-runtime/src/invoke_context.rs#L293-L298 */
1015 : int
1016 : fd_instr_stack_pop( fd_exec_txn_ctx_t * txn_ctx,
1017 0 : fd_instr_info_t const * instr ) {
1018 : /* https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/sdk/src/transaction_context.rs#L362-L364 */
1019 0 : if( FD_UNLIKELY( txn_ctx->instr_stack_sz==0 ) ) {
1020 0 : return FD_EXECUTOR_INSTR_ERR_CALL_DEPTH;
1021 0 : }
1022 0 : txn_ctx->instr_stack_sz--;
1023 :
1024 : /* Verify all executable accounts have no outstanding refs
1025 : https://github.com/anza-xyz/agave/blob/v2.1.14/sdk/src/transaction_context.rs#L367-L371 */
1026 0 : for( ushort i=0; i<instr->acct_cnt; i++ ) {
1027 0 : ushort idx_in_txn = instr->accounts[i].index_in_transaction;
1028 0 : fd_txn_account_t * account = &txn_ctx->accounts[ idx_in_txn ];
1029 0 : if( FD_UNLIKELY( account->vt->is_executable( account ) &&
1030 0 : account->vt->is_borrowed( account ) ) ) {
1031 0 : return FD_EXECUTOR_INSTR_ERR_ACC_BORROW_OUTSTANDING;
1032 0 : }
1033 0 : }
1034 :
1035 : /* Verify lamports are balanced before and after instruction
1036 : https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/sdk/src/transaction_context.rs#L366-L380 */
1037 0 : ulong ending_lamports_h = 0UL;
1038 0 : ulong ending_lamports_l = 0UL;
1039 0 : int err = fd_instr_info_sum_account_lamports( instr,
1040 0 : txn_ctx,
1041 0 : &ending_lamports_h,
1042 0 : &ending_lamports_l );
1043 0 : if( FD_UNLIKELY( err ) ) {
1044 0 : return err;
1045 0 : }
1046 0 : if( FD_UNLIKELY( ending_lamports_l != instr->starting_lamports_l || ending_lamports_h != instr->starting_lamports_h ) ) {
1047 0 : return FD_EXECUTOR_INSTR_ERR_UNBALANCED_INSTR;
1048 0 : }
1049 :
1050 0 : return FD_EXECUTOR_INSTR_SUCCESS;;
1051 0 : }
1052 :
1053 : /* This function mimics Agave's `.and(self.pop())` functionality,
1054 : where we always pop the instruction stack no matter what the error code is.
1055 : https://github.com/anza-xyz/agave/blob/v2.2.12/program-runtime/src/invoke_context.rs#L480 */
1056 : static inline int
1057 : fd_execute_instr_end( fd_exec_instr_ctx_t * instr_ctx,
1058 : fd_instr_info_t * instr,
1059 0 : int instr_exec_result ) {
1060 0 : int stack_pop_err = fd_instr_stack_pop( instr_ctx->txn_ctx, instr );
1061 :
1062 : /* Only report the stack pop error on success */
1063 0 : if( FD_UNLIKELY( instr_exec_result==FD_EXECUTOR_INSTR_SUCCESS && stack_pop_err ) ) {
1064 0 : FD_TXN_PREPARE_ERR_OVERWRITE( instr_ctx->txn_ctx );
1065 0 : FD_TXN_ERR_FOR_LOG_INSTR( instr_ctx->txn_ctx, stack_pop_err, instr_ctx->txn_ctx->instr_err_idx );
1066 0 : instr_exec_result = stack_pop_err;
1067 0 : }
1068 :
1069 0 : if( FD_UNLIKELY( instr_exec_result && !instr_ctx->txn_ctx->failed_instr ) ) {
1070 0 : instr_ctx->txn_ctx->failed_instr = instr_ctx;
1071 0 : }
1072 :
1073 0 : return instr_exec_result;
1074 0 : }
1075 :
1076 : int
1077 : fd_execute_instr( fd_exec_txn_ctx_t * txn_ctx,
1078 0 : fd_instr_info_t * instr ) {
1079 0 : FD_RUNTIME_TXN_SPAD_FRAME_BEGIN( txn_ctx->spad, txn_ctx ) {
1080 0 : int instr_exec_result = fd_instr_stack_push( txn_ctx, instr );
1081 0 : if( FD_UNLIKELY( instr_exec_result ) ) {
1082 0 : FD_TXN_PREPARE_ERR_OVERWRITE( txn_ctx );
1083 0 : FD_TXN_ERR_FOR_LOG_INSTR( txn_ctx, instr_exec_result, txn_ctx->instr_err_idx );
1084 0 : return instr_exec_result;
1085 0 : }
1086 :
1087 : /* `process_executable_chain()`
1088 : https://github.com/anza-xyz/agave/blob/v2.2.12/program-runtime/src/invoke_context.rs#L512-L619 */
1089 0 : fd_exec_instr_ctx_t * ctx = &txn_ctx->instr_stack[ txn_ctx->instr_stack_sz - 1 ];
1090 0 : *ctx = (fd_exec_instr_ctx_t) {
1091 0 : .instr = instr,
1092 0 : .txn_ctx = txn_ctx,
1093 0 : };
1094 0 : fd_base58_encode_32( txn_ctx->accounts[ instr->program_id ].pubkey->uc, NULL, ctx->program_id_base58 );
1095 :
1096 0 : txn_ctx->instr_trace[ txn_ctx->instr_trace_length - 1 ] = (fd_exec_instr_trace_entry_t) {
1097 0 : .instr_info = instr,
1098 0 : .stack_height = txn_ctx->instr_stack_sz,
1099 0 : };
1100 :
1101 : /* Look up the native program. We check for precompiles within the lookup function as well.
1102 : https://github.com/anza-xyz/agave/blob/v2.1.6/svm/src/message_processor.rs#L88 */
1103 0 : fd_exec_instr_fn_t native_prog_fn;
1104 0 : uchar is_precompile;
1105 0 : int err = fd_executor_lookup_native_program( &txn_ctx->accounts[ instr->program_id ],
1106 0 : txn_ctx,
1107 0 : &native_prog_fn,
1108 0 : &is_precompile );
1109 :
1110 0 : if( FD_UNLIKELY( err ) ) {
1111 0 : FD_TXN_PREPARE_ERR_OVERWRITE( txn_ctx );
1112 0 : FD_TXN_ERR_FOR_LOG_INSTR( txn_ctx, err, txn_ctx->instr_err_idx );
1113 0 : return err;
1114 0 : }
1115 :
1116 0 : if( FD_LIKELY( native_prog_fn!=NULL ) ) {
1117 : /* If this branch is taken, we've found an entrypoint to execute. */
1118 0 : fd_log_collector_program_invoke( ctx );
1119 :
1120 : /* Only reset the return data when executing a native builtin program (not a precompile)
1121 : https://github.com/anza-xyz/agave/blob/v2.1.6/program-runtime/src/invoke_context.rs#L536-L537 */
1122 0 : if( FD_LIKELY( !is_precompile ) ) {
1123 0 : fd_exec_txn_ctx_reset_return_data( txn_ctx );
1124 0 : }
1125 :
1126 : /* Execute the native program. */
1127 0 : instr_exec_result = native_prog_fn( ctx );
1128 0 : } else {
1129 : /* Unknown program. In this case specifically, we should not log the program id. */
1130 0 : instr_exec_result = FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
1131 0 : FD_TXN_PREPARE_ERR_OVERWRITE( txn_ctx );
1132 0 : FD_TXN_ERR_FOR_LOG_INSTR( txn_ctx, instr_exec_result, txn_ctx->instr_err_idx );
1133 0 : return fd_execute_instr_end( ctx, instr, instr_exec_result );
1134 0 : }
1135 :
1136 0 : if( FD_LIKELY( instr_exec_result==FD_EXECUTOR_INSTR_SUCCESS ) ) {
1137 : /* Log success */
1138 0 : fd_log_collector_program_success( ctx );
1139 0 : } else {
1140 : /* Log failure cases.
1141 : We assume that the correct type of error is stored in ctx.
1142 : Syscalls are expected to log when the error is generated, while
1143 : native programs will be logged here.
1144 : (This is because syscall errors often carry data with them.)
1145 :
1146 : TODO: This hackily handles cases where the exec_err and exec_err_kind
1147 : is not set yet. We should change our native programs to set
1148 : this in their respective processors. */
1149 0 : if( !txn_ctx->exec_err ) {
1150 0 : FD_TXN_PREPARE_ERR_OVERWRITE( txn_ctx );
1151 0 : FD_TXN_ERR_FOR_LOG_INSTR( txn_ctx, instr_exec_result, txn_ctx->instr_err_idx );
1152 0 : fd_log_collector_program_failure( ctx );
1153 0 : } else {
1154 0 : fd_log_collector_program_failure( ctx );
1155 0 : FD_TXN_PREPARE_ERR_OVERWRITE( txn_ctx );
1156 0 : FD_TXN_ERR_FOR_LOG_INSTR( txn_ctx, instr_exec_result, txn_ctx->instr_err_idx );
1157 0 : }
1158 0 : }
1159 :
1160 0 : return fd_execute_instr_end( ctx, instr, instr_exec_result );
1161 0 : } FD_RUNTIME_TXN_SPAD_FRAME_END;
1162 0 : }
1163 :
1164 : void
1165 0 : fd_txn_reclaim_accounts( fd_exec_txn_ctx_t * txn_ctx ) {
1166 0 : for( ushort i=0; i<txn_ctx->accounts_cnt; i++ ) {
1167 0 : fd_txn_account_t * acc_rec = &txn_ctx->accounts[i];
1168 :
1169 : /* An account writable iff it is writable AND it is not being
1170 : demoted. If this criteria is not met, the account should not be
1171 : marked as touched via updating its most recent slot. */
1172 0 : if( !fd_exec_txn_ctx_account_is_writable_idx( txn_ctx, i ) ) {
1173 0 : continue;
1174 0 : }
1175 :
1176 0 : acc_rec->vt->set_slot( acc_rec, txn_ctx->slot );
1177 :
1178 0 : if( !acc_rec->vt->get_lamports( acc_rec ) ) {
1179 0 : acc_rec->vt->set_data_len( acc_rec, 0UL );
1180 0 : acc_rec->vt->clear_owner( acc_rec );
1181 0 : }
1182 0 : }
1183 0 : }
1184 :
1185 : int
1186 : fd_executor_is_blockhash_valid_for_age( fd_block_hash_queue_global_t const * block_hash_queue,
1187 : fd_hash_t const * blockhash,
1188 0 : ulong max_age ) {
1189 0 : fd_hash_hash_age_pair_t_mapnode_t key;
1190 0 : fd_memcpy( key.elem.key.uc, blockhash, sizeof(fd_hash_t) );
1191 :
1192 0 : fd_hash_hash_age_pair_t_mapnode_t * ages_pool = fd_block_hash_queue_ages_pool_join( block_hash_queue );
1193 0 : fd_hash_hash_age_pair_t_mapnode_t * ages_root = fd_block_hash_queue_ages_root_join( block_hash_queue );
1194 :
1195 0 : fd_hash_hash_age_pair_t_mapnode_t * hash_age = fd_hash_hash_age_pair_t_map_find( ages_pool, ages_root, &key );
1196 0 : if( hash_age==NULL ) {
1197 0 : return 0;
1198 0 : }
1199 :
1200 0 : ulong age = block_hash_queue->last_hash_index-hash_age->elem.val.hash_index;
1201 0 : return age<=max_age;
1202 0 : }
1203 :
1204 : void
1205 : fd_exec_txn_ctx_from_exec_slot_ctx( fd_exec_slot_ctx_t const * slot_ctx,
1206 : fd_exec_txn_ctx_t * ctx,
1207 : fd_wksp_t const * funk_wksp,
1208 : fd_wksp_t const * runtime_pub_wksp,
1209 : ulong funk_txn_gaddr,
1210 : ulong funk_gaddr,
1211 0 : fd_bank_hash_cmp_t * bank_hash_cmp ) {
1212 :
1213 0 : ctx->runtime_pub_wksp = (fd_wksp_t *)runtime_pub_wksp;
1214 :
1215 0 : ctx->funk_txn = fd_wksp_laddr( funk_wksp, funk_txn_gaddr );
1216 0 : if( FD_UNLIKELY( !ctx->funk_txn ) ) {
1217 0 : FD_LOG_ERR(( "Could not find valid funk transaction" ));
1218 0 : }
1219 :
1220 0 : if( FD_UNLIKELY( !fd_funk_join( ctx->funk, fd_wksp_laddr( funk_wksp, funk_gaddr ) ) ) ) {
1221 0 : FD_LOG_ERR(( "Could not find valid funk %lu", funk_gaddr ));
1222 0 : }
1223 :
1224 0 : ctx->status_cache = slot_ctx->status_cache;
1225 :
1226 0 : ctx->bank_hash_cmp = bank_hash_cmp;
1227 :
1228 0 : ctx->enable_exec_recording = fd_bank_enable_exec_recording_get( slot_ctx->bank );
1229 :
1230 0 : ctx->bank = slot_ctx->bank;
1231 :
1232 0 : ctx->slot = fd_bank_slot_get( slot_ctx->bank );
1233 :
1234 0 : ctx->features = fd_bank_features_get( ctx->bank );
1235 0 : }
1236 :
1237 : fd_txn_account_t *
1238 : fd_executor_setup_txn_account( fd_exec_txn_ctx_t * txn_ctx,
1239 0 : ushort idx ) {
1240 0 : fd_pubkey_t * acc = &txn_ctx->account_keys[ idx ];
1241 0 : int err = fd_txn_account_init_from_funk_readonly( &txn_ctx->accounts[ idx ],
1242 0 : acc,
1243 0 : txn_ctx->funk,
1244 0 : txn_ctx->funk_txn );
1245 0 : fd_txn_account_t * txn_account = &txn_ctx->accounts[ idx ];
1246 :
1247 0 : if( FD_UNLIKELY( err!=FD_ACC_MGR_SUCCESS && err!=FD_ACC_MGR_ERR_UNKNOWN_ACCOUNT ) ) {
1248 0 : FD_LOG_ERR(( "fd_txn_account_init_from_funk_readonly err=%d", err ));
1249 0 : }
1250 :
1251 0 : uchar is_unknown_account = err==FD_ACC_MGR_ERR_UNKNOWN_ACCOUNT;
1252 0 : memcpy( txn_account->pubkey->key, acc, sizeof(fd_pubkey_t) );
1253 :
1254 0 : if( fd_exec_txn_ctx_account_is_writable_idx( txn_ctx, idx ) || idx==FD_FEE_PAYER_TXN_IDX ) {
1255 0 : void * txn_account_data = fd_spad_alloc( txn_ctx->spad, FD_ACCOUNT_REC_ALIGN, FD_ACC_TOT_SZ_MAX );
1256 :
1257 : /* promote the account to mutable, which requires a memcpy*/
1258 0 : fd_txn_account_make_mutable( txn_account, txn_account_data, txn_ctx->spad_wksp );
1259 :
1260 : /* All new accounts should have their rent epoch set to ULONG_MAX.
1261 : https://github.com/anza-xyz/agave/blob/89050f3cb7e76d9e273f10bea5e8207f2452f79f/svm/src/account_loader.rs#L485-L497 */
1262 0 : if( FD_UNLIKELY( is_unknown_account ) ) {
1263 0 : txn_account->vt->set_rent_epoch( txn_account, ULONG_MAX );
1264 0 : }
1265 0 : }
1266 :
1267 0 : fd_account_meta_t const * meta = txn_account->vt->get_meta( txn_account );
1268 :
1269 0 : if( meta==NULL ) {
1270 0 : fd_txn_account_setup_sentinel_meta_readonly( txn_account, txn_ctx->spad, txn_ctx->spad_wksp );
1271 0 : return NULL;
1272 0 : }
1273 :
1274 0 : return txn_account;
1275 0 : }
1276 :
1277 : void
1278 : fd_executor_setup_executable_account( fd_exec_txn_ctx_t * txn_ctx,
1279 : ushort acc_idx,
1280 0 : ushort * executable_idx ) {
1281 0 : int err = 0;
1282 0 : fd_bpf_upgradeable_loader_state_t * program_loader_state = read_bpf_upgradeable_loader_state_for_program( txn_ctx, acc_idx, &err );
1283 0 : if( FD_UNLIKELY( !program_loader_state ) ) {
1284 0 : return;
1285 0 : }
1286 :
1287 0 : if( !fd_bpf_upgradeable_loader_state_is_program( program_loader_state ) ) {
1288 0 : return;
1289 0 : }
1290 :
1291 : /* Attempt to load the program data account from funk. This prevents any unknown program
1292 : data accounts from getting loaded into the executable accounts list. If such a program is
1293 : invoked, the call will fail at the instruction execution level since the programdata
1294 : account will not exist within the executable accounts list. */
1295 0 : fd_pubkey_t * programdata_acc = &program_loader_state->inner.program.programdata_address;
1296 0 : if( FD_LIKELY( fd_txn_account_init_from_funk_readonly( &txn_ctx->executable_accounts[ *executable_idx ],
1297 0 : programdata_acc,
1298 0 : txn_ctx->funk,
1299 0 : txn_ctx->funk_txn )==0 ) ) {
1300 0 : (*executable_idx)++;
1301 0 : }
1302 0 : }
1303 :
1304 : void
1305 0 : fd_executor_setup_accounts_for_txn( fd_exec_txn_ctx_t * txn_ctx ) {
1306 0 : ushort j = 0UL;
1307 0 : fd_memset( txn_ctx->accounts, 0, sizeof(fd_txn_account_t) * txn_ctx->accounts_cnt );
1308 :
1309 0 : for( ushort i=0; i<txn_ctx->accounts_cnt; i++ ) {
1310 :
1311 0 : fd_txn_account_t * txn_account = fd_executor_setup_txn_account( txn_ctx, i );
1312 :
1313 0 : if( FD_UNLIKELY( txn_account &&
1314 0 : memcmp( txn_account->vt->get_owner( txn_account ), fd_solana_bpf_loader_upgradeable_program_id.key, sizeof(fd_pubkey_t) ) == 0 ) ) {
1315 0 : fd_executor_setup_executable_account( txn_ctx, i, &j );
1316 0 : }
1317 0 : }
1318 :
1319 : /* Dumping ELF files to protobuf, if applicable */
1320 0 : int dump_elf_to_pb = txn_ctx->capture_ctx &&
1321 0 : txn_ctx->slot >= txn_ctx->capture_ctx->dump_proto_start_slot &&
1322 0 : txn_ctx->capture_ctx->dump_elf_to_pb;
1323 0 : if( FD_UNLIKELY( dump_elf_to_pb ) ) {
1324 0 : for( ushort i=0; i<txn_ctx->accounts_cnt; i++ ) {
1325 0 : fd_dump_elf_to_protobuf( txn_ctx, &txn_ctx->accounts[i] );
1326 0 : }
1327 0 : }
1328 :
1329 0 : txn_ctx->nonce_account_idx_in_txn = ULONG_MAX;
1330 0 : txn_ctx->executable_cnt = j;
1331 :
1332 : /* Set up instr infos from the txn descriptor. No Agave equivalent to this function. */
1333 0 : fd_executor_setup_instr_infos_from_txn_instrs( txn_ctx );
1334 0 : }
1335 :
1336 : /* Stuff to be done before multithreading can begin */
1337 : int
1338 : fd_execute_txn_prepare_start( fd_exec_slot_ctx_t const * slot_ctx,
1339 : fd_exec_txn_ctx_t * txn_ctx,
1340 : fd_txn_t const * txn_descriptor,
1341 0 : fd_rawtxn_b_t const * txn_raw ) {
1342 :
1343 0 : fd_funk_t * funk = slot_ctx->funk;
1344 0 : fd_wksp_t * funk_wksp = fd_funk_wksp( funk );
1345 : /* FIXME: just pass in the runtime workspace, instead of getting it from fd_wksp_containing */
1346 0 : fd_wksp_t * runtime_pub_wksp = fd_wksp_containing( slot_ctx );
1347 0 : ulong funk_txn_gaddr = fd_wksp_gaddr( funk_wksp, slot_ctx->funk_txn );
1348 0 : ulong funk_gaddr = fd_wksp_gaddr( funk_wksp, slot_ctx->funk->shmem );
1349 :
1350 : /* Init txn ctx */
1351 0 : fd_exec_txn_ctx_new( txn_ctx );
1352 0 : fd_exec_txn_ctx_from_exec_slot_ctx( slot_ctx,
1353 0 : txn_ctx,
1354 0 : funk_wksp,
1355 0 : runtime_pub_wksp,
1356 0 : funk_txn_gaddr,
1357 0 : funk_gaddr,
1358 0 : NULL );
1359 0 : fd_exec_txn_ctx_setup( txn_ctx, txn_descriptor, txn_raw );
1360 :
1361 : /* Set up the core account keys */
1362 0 : fd_executor_setup_txn_account_keys( txn_ctx );
1363 :
1364 0 : return FD_RUNTIME_EXECUTE_SUCCESS;
1365 0 : }
1366 :
1367 : int
1368 0 : fd_executor_txn_verify( fd_exec_txn_ctx_t * txn_ctx ) {
1369 0 : fd_sha512_t * shas[ FD_TXN_ACTUAL_SIG_MAX ];
1370 0 : for ( ulong i=0UL; i<FD_TXN_ACTUAL_SIG_MAX; i++ ) {
1371 0 : fd_sha512_t * sha = fd_sha512_join( fd_sha512_new( fd_spad_alloc( txn_ctx->spad, alignof(fd_sha512_t), sizeof(fd_sha512_t) ) ) );
1372 0 : if( FD_UNLIKELY( !sha ) ) FD_LOG_ERR(( "fd_sha512_join failed" ));
1373 0 : shas[i] = sha;
1374 0 : }
1375 :
1376 0 : uchar signature_cnt = txn_ctx->txn_descriptor->signature_cnt;
1377 0 : ushort signature_off = txn_ctx->txn_descriptor->signature_off;
1378 0 : ushort acct_addr_off = txn_ctx->txn_descriptor->acct_addr_off;
1379 0 : ushort message_off = txn_ctx->txn_descriptor->message_off;
1380 :
1381 0 : uchar const * signatures = (uchar *)txn_ctx->_txn_raw->raw + signature_off;
1382 0 : uchar const * pubkeys = (uchar *)txn_ctx->_txn_raw->raw + acct_addr_off;
1383 0 : uchar const * msg = (uchar *)txn_ctx->_txn_raw->raw + message_off;
1384 0 : ulong msg_sz = (ulong)txn_ctx->_txn_raw->txn_sz - message_off;
1385 :
1386 : /* Verify signatures */
1387 0 : int res = fd_ed25519_verify_batch_single_msg( msg, msg_sz, signatures, pubkeys, shas, signature_cnt );
1388 0 : if( FD_UNLIKELY( res != FD_ED25519_SUCCESS ) ) {
1389 0 : return -1;
1390 0 : }
1391 :
1392 0 : return 0;
1393 0 : }
1394 :
1395 : int
1396 0 : fd_execute_txn( fd_execute_txn_task_info_t * task_info ) {
1397 : /* Don't execute transactions that are fee only.
1398 : https://github.com/anza-xyz/agave/blob/v2.1.6/svm/src/transaction_processor.rs#L341-L357 */
1399 0 : if( FD_UNLIKELY( task_info->txn->flags & FD_TXN_P_FLAGS_FEES_ONLY ) ) {
1400 : /* return the existing error */
1401 0 : return task_info->exec_res;
1402 0 : }
1403 :
1404 0 : fd_exec_txn_ctx_t * txn_ctx = task_info->txn_ctx;
1405 0 : bool dump_insn = txn_ctx->capture_ctx && txn_ctx->slot >= txn_ctx->capture_ctx->dump_proto_start_slot && txn_ctx->capture_ctx->dump_instr_to_pb;
1406 :
1407 : /* Initialize log collection */
1408 0 : fd_log_collector_init( &txn_ctx->log_collector, txn_ctx->enable_exec_recording );
1409 :
1410 0 : for( ushort i = 0; i < txn_ctx->txn_descriptor->instr_cnt; i++ ) {
1411 0 : txn_ctx->current_instr_idx = i;
1412 0 : if( FD_UNLIKELY( dump_insn ) ) {
1413 : // Capture the input and convert it into a Protobuf message
1414 0 : fd_dump_instr_to_protobuf( txn_ctx, &txn_ctx->instr_infos[i], i );
1415 0 : }
1416 :
1417 0 : int instr_exec_result = fd_execute_instr( txn_ctx, &txn_ctx->instr_infos[i] );
1418 0 : if( FD_UNLIKELY( instr_exec_result!=FD_EXECUTOR_INSTR_SUCCESS ) ) {
1419 0 : if ( txn_ctx->instr_err_idx==INT_MAX ) {
1420 0 : txn_ctx->instr_err_idx = i;
1421 0 : }
1422 0 : return FD_RUNTIME_TXN_ERR_INSTRUCTION_ERROR;
1423 0 : }
1424 0 : }
1425 :
1426 : /* TODO: This function needs to be split out of fd_execute_txn and be placed
1427 : into the replay tile once it is implemented. */
1428 0 : int err = fd_executor_txn_check( txn_ctx );
1429 0 : if( FD_UNLIKELY( err!=FD_EXECUTOR_INSTR_SUCCESS ) ) {
1430 0 : FD_LOG_WARNING(( "fd_executor_txn_check failed (%d)", err ));
1431 0 : return err;
1432 0 : }
1433 0 : return 0;
1434 0 : }
1435 :
1436 : int
1437 0 : fd_executor_txn_check( fd_exec_txn_ctx_t * txn_ctx ) {
1438 0 : fd_rent_t const * rent = fd_bank_rent_query( txn_ctx->bank );
1439 :
1440 0 : ulong starting_lamports_l = 0;
1441 0 : ulong starting_lamports_h = 0;
1442 :
1443 0 : ulong ending_lamports_l = 0;
1444 0 : ulong ending_lamports_h = 0;
1445 :
1446 : /* https://github.com/anza-xyz/agave/blob/b2c388d6cbff9b765d574bbb83a4378a1fc8af32/svm/src/account_rent_state.rs#L63 */
1447 0 : for( ulong idx = 0; idx < txn_ctx->accounts_cnt; idx++ ) {
1448 0 : fd_txn_account_t * b = &txn_ctx->accounts[idx];
1449 :
1450 : // Was this account written to?
1451 : /* TODO: Clean this logic up... lots of redundant checks with our newer account loading model.
1452 : We should be using the rent transition checking logic instead, along with a small refactor
1453 : to keep check ordering consistent. */
1454 0 : if( b->vt->get_meta( b )!=NULL ) {
1455 0 : fd_uwide_inc( &ending_lamports_h, &ending_lamports_l, ending_lamports_h, ending_lamports_l, b->vt->get_lamports( b ) );
1456 :
1457 : /* Rent states are defined as followed:
1458 : - lamports == 0 -> Uninitialized
1459 : - 0 < lamports < rent_exempt_minimum -> RentPaying
1460 : - lamports >= rent_exempt_minimum -> RentExempt
1461 : In Agave, 'self' refers to our 'after' state. */
1462 0 : uchar after_uninitialized = b->vt->get_lamports( b ) == 0;
1463 0 : uchar after_rent_exempt = b->vt->get_lamports( b ) >= fd_rent_exempt_minimum_balance( rent, b->vt->get_data_len( b ) );
1464 :
1465 : /* https://github.com/anza-xyz/agave/blob/b2c388d6cbff9b765d574bbb83a4378a1fc8af32/svm/src/account_rent_state.rs#L96 */
1466 0 : if( FD_LIKELY( memcmp( b->pubkey->key, fd_sysvar_incinerator_id.key, sizeof(fd_pubkey_t) ) != 0 ) ) {
1467 : /* https://github.com/anza-xyz/agave/blob/b2c388d6cbff9b765d574bbb83a4378a1fc8af32/svm/src/account_rent_state.rs#L44 */
1468 0 : if( after_uninitialized || after_rent_exempt ) {
1469 : // no-op
1470 0 : } else {
1471 : /* https://github.com/anza-xyz/agave/blob/b2c388d6cbff9b765d574bbb83a4378a1fc8af32/svm/src/account_rent_state.rs#L45-L59 */
1472 0 : uchar before_uninitialized = b->starting_dlen == ULONG_MAX || b->starting_lamports == 0;
1473 0 : uchar before_rent_exempt = b->starting_dlen != ULONG_MAX && b->starting_lamports >= fd_rent_exempt_minimum_balance( rent, b->starting_dlen );
1474 :
1475 : /* https://github.com/anza-xyz/agave/blob/b2c388d6cbff9b765d574bbb83a4378a1fc8af32/svm/src/account_rent_state.rs#L50 */
1476 0 : if( before_uninitialized || before_rent_exempt ) {
1477 0 : FD_LOG_DEBUG(( "Rent exempt error for %s Curr len %lu Starting len %lu Curr lamports %lu Starting lamports %lu Curr exempt %lu Starting exempt %lu",
1478 0 : FD_BASE58_ENC_32_ALLOCA( b->pubkey->uc ),
1479 0 : b->vt->get_data_len( b ),
1480 0 : b->starting_dlen,
1481 0 : b->vt->get_lamports( b ),
1482 0 : b->starting_lamports,
1483 0 : fd_rent_exempt_minimum_balance( rent, b->vt->get_data_len( b ) ),
1484 0 : fd_rent_exempt_minimum_balance( rent, b->starting_dlen ) ));
1485 : /* https://github.com/anza-xyz/agave/blob/b2c388d6cbff9b765d574bbb83a4378a1fc8af32/svm/src/account_rent_state.rs#L104 */
1486 0 : return FD_RUNTIME_TXN_ERR_INSUFFICIENT_FUNDS_FOR_RENT;
1487 : /* https://github.com/anza-xyz/agave/blob/b2c388d6cbff9b765d574bbb83a4378a1fc8af32/svm/src/account_rent_state.rs#L56 */
1488 0 : } else if( (b->vt->get_data_len( b ) == b->starting_dlen) && b->vt->get_lamports( b ) <= b->starting_lamports ) {
1489 : // no-op
1490 0 : } else {
1491 0 : FD_LOG_DEBUG(( "Rent exempt error for %s Curr len %lu Starting len %lu Curr lamports %lu Starting lamports %lu Curr exempt %lu Starting exempt %lu",
1492 0 : FD_BASE58_ENC_32_ALLOCA( b->pubkey->uc ),
1493 0 : b->vt->get_data_len( b ),
1494 0 : b->starting_dlen,
1495 0 : b->vt->get_lamports( b ),
1496 0 : b->starting_lamports,
1497 0 : fd_rent_exempt_minimum_balance( rent, b->vt->get_data_len( b ) ),
1498 0 : fd_rent_exempt_minimum_balance( rent, b->starting_dlen ) ));
1499 : /* https://github.com/anza-xyz/agave/blob/b2c388d6cbff9b765d574bbb83a4378a1fc8af32/svm/src/account_rent_state.rs#L104 */
1500 0 : return FD_RUNTIME_TXN_ERR_INSUFFICIENT_FUNDS_FOR_RENT;
1501 0 : }
1502 0 : }
1503 0 : }
1504 :
1505 0 : if( b->starting_lamports != ULONG_MAX ) {
1506 0 : fd_uwide_inc( &starting_lamports_h, &starting_lamports_l, starting_lamports_h, starting_lamports_l, b->starting_lamports );
1507 0 : }
1508 0 : }
1509 0 : }
1510 :
1511 : /* https://github.com/anza-xyz/agave/blob/b2c388d6cbff9b765d574bbb83a4378a1fc8af32/svm/src/transaction_processor.rs#L839-L845 */
1512 0 : if( FD_UNLIKELY( ending_lamports_l!=starting_lamports_l || ending_lamports_h!=starting_lamports_h ) ) {
1513 0 : FD_LOG_DEBUG(( "Lamport sum mismatch: starting %lx%lx ending %lx%lx", starting_lamports_h, starting_lamports_l, ending_lamports_h, ending_lamports_l ));
1514 0 : return FD_RUNTIME_TXN_ERR_UNBALANCED_TRANSACTION;
1515 0 : }
1516 :
1517 0 : return FD_RUNTIME_EXECUTE_SUCCESS;
1518 0 : }
1519 :
1520 : /* fd_executor_instr_strerror() returns the error message corresponding to err,
1521 : intended to be logged by log_collector, or an empty string if the error code
1522 : should be omitted in logs for whatever reason. Omitted examples are success,
1523 : fatal (placeholder just in firedancer), custom error.
1524 : See also fd_log_collector_program_failure(). */
1525 : FD_FN_CONST char const *
1526 0 : fd_executor_instr_strerror( int err ) {
1527 :
1528 0 : switch( err ) {
1529 0 : case FD_EXECUTOR_INSTR_SUCCESS : return ""; // not used
1530 0 : case FD_EXECUTOR_INSTR_ERR_FATAL : return ""; // not used
1531 0 : case FD_EXECUTOR_INSTR_ERR_GENERIC_ERR : return "generic instruction error";
1532 0 : case FD_EXECUTOR_INSTR_ERR_INVALID_ARG : return "invalid program argument";
1533 0 : case FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA : return "invalid instruction data";
1534 0 : case FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA : return "invalid account data for instruction";
1535 0 : case FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL : return "account data too small for instruction";
1536 0 : case FD_EXECUTOR_INSTR_ERR_INSUFFICIENT_FUNDS : return "insufficient funds for instruction";
1537 0 : case FD_EXECUTOR_INSTR_ERR_INCORRECT_PROGRAM_ID : return "incorrect program id for instruction";
1538 0 : case FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE : return "missing required signature for instruction";
1539 0 : case FD_EXECUTOR_INSTR_ERR_ACC_ALREADY_INITIALIZED : return "instruction requires an uninitialized account";
1540 0 : case FD_EXECUTOR_INSTR_ERR_UNINITIALIZED_ACCOUNT : return "instruction requires an initialized account";
1541 0 : case FD_EXECUTOR_INSTR_ERR_UNBALANCED_INSTR : return "sum of account balances before and after instruction do not match";
1542 0 : case FD_EXECUTOR_INSTR_ERR_MODIFIED_PROGRAM_ID : return "instruction illegally modified the program id of an account";
1543 0 : case FD_EXECUTOR_INSTR_ERR_EXTERNAL_ACCOUNT_LAMPORT_SPEND : return "instruction spent from the balance of an account it does not own";
1544 0 : case FD_EXECUTOR_INSTR_ERR_EXTERNAL_DATA_MODIFIED : return "instruction modified data of an account it does not own";
1545 0 : case FD_EXECUTOR_INSTR_ERR_READONLY_LAMPORT_CHANGE : return "instruction changed the balance of a read-only account";
1546 0 : case FD_EXECUTOR_INSTR_ERR_READONLY_DATA_MODIFIED : return "instruction modified data of a read-only account";
1547 0 : case FD_EXECUTOR_INSTR_ERR_DUPLICATE_ACCOUNT_IDX : return "instruction contains duplicate accounts";
1548 0 : case FD_EXECUTOR_INSTR_ERR_EXECUTABLE_MODIFIED : return "instruction changed executable bit of an account";
1549 0 : case FD_EXECUTOR_INSTR_ERR_RENT_EPOCH_MODIFIED : return "instruction modified rent epoch of an account";
1550 0 : case FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS : return "insufficient account keys for instruction";
1551 0 : case FD_EXECUTOR_INSTR_ERR_ACC_DATA_SIZE_CHANGED : return "program other than the account's owner changed the size of the account data";
1552 0 : case FD_EXECUTOR_INSTR_ERR_ACC_NOT_EXECUTABLE : return "instruction expected an executable account";
1553 0 : case FD_EXECUTOR_INSTR_ERR_ACC_BORROW_FAILED : return "instruction tries to borrow reference for an account which is already borrowed";
1554 0 : case FD_EXECUTOR_INSTR_ERR_ACC_BORROW_OUTSTANDING : return "instruction left account with an outstanding borrowed reference";
1555 0 : case FD_EXECUTOR_INSTR_ERR_DUPLICATE_ACCOUNT_OUT_OF_SYNC : return "instruction modifications of multiply-passed account differ";
1556 0 : case FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR : return ""; // custom handling via txn_ctx->custom_err
1557 0 : case FD_EXECUTOR_INSTR_ERR_INVALID_ERR : return "program returned invalid error code";
1558 0 : case FD_EXECUTOR_INSTR_ERR_EXECUTABLE_DATA_MODIFIED : return "instruction changed executable accounts data";
1559 0 : case FD_EXECUTOR_INSTR_ERR_EXECUTABLE_LAMPORT_CHANGE : return "instruction changed the balance of an executable account";
1560 0 : case FD_EXECUTOR_INSTR_ERR_EXECUTABLE_ACCOUNT_NOT_RENT_EXEMPT : return "executable accounts must be rent exempt";
1561 0 : case FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID : return "Unsupported program id";
1562 0 : case FD_EXECUTOR_INSTR_ERR_CALL_DEPTH : return "Cross-program invocation call depth too deep";
1563 0 : case FD_EXECUTOR_INSTR_ERR_MISSING_ACC : return "An account required by the instruction is missing";
1564 0 : case FD_EXECUTOR_INSTR_ERR_REENTRANCY_NOT_ALLOWED : return "Cross-program invocation reentrancy not allowed for this instruction";
1565 0 : case FD_EXECUTOR_INSTR_ERR_MAX_SEED_LENGTH_EXCEEDED : return "Length of the seed is too long for address generation";
1566 0 : case FD_EXECUTOR_INSTR_ERR_INVALID_SEEDS : return "Provided seeds do not result in a valid address";
1567 0 : case FD_EXECUTOR_INSTR_ERR_INVALID_REALLOC : return "Failed to reallocate account data";
1568 0 : case FD_EXECUTOR_INSTR_ERR_COMPUTE_BUDGET_EXCEEDED : return "Computational budget exceeded";
1569 0 : case FD_EXECUTOR_INSTR_ERR_PRIVILEGE_ESCALATION : return "Cross-program invocation with unauthorized signer or writable account";
1570 0 : case FD_EXECUTOR_INSTR_ERR_PROGRAM_ENVIRONMENT_SETUP_FAILURE : return "Failed to create program execution environment";
1571 0 : case FD_EXECUTOR_INSTR_ERR_PROGRAM_FAILED_TO_COMPLETE : return "Program failed to complete";
1572 0 : case FD_EXECUTOR_INSTR_ERR_PROGRAM_FAILED_TO_COMPILE : return "Program failed to compile";
1573 0 : case FD_EXECUTOR_INSTR_ERR_ACC_IMMUTABLE : return "Account is immutable";
1574 0 : case FD_EXECUTOR_INSTR_ERR_INCORRECT_AUTHORITY : return "Incorrect authority provided";
1575 0 : case FD_EXECUTOR_INSTR_ERR_BORSH_IO_ERROR : return "Failed to serialize or deserialize account data"; // truncated
1576 0 : case FD_EXECUTOR_INSTR_ERR_ACC_NOT_RENT_EXEMPT : return "An account does not have enough lamports to be rent-exempt";
1577 0 : case FD_EXECUTOR_INSTR_ERR_INVALID_ACC_OWNER : return "Invalid account owner";
1578 0 : case FD_EXECUTOR_INSTR_ERR_ARITHMETIC_OVERFLOW : return "Program arithmetic overflowed";
1579 0 : case FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR : return "Unsupported sysvar";
1580 0 : case FD_EXECUTOR_INSTR_ERR_ILLEGAL_OWNER : return "Provided owner is not allowed";
1581 0 : case FD_EXECUTOR_INSTR_ERR_MAX_ACCS_DATA_ALLOCS_EXCEEDED : return "Accounts data allocations exceeded the maximum allowed per transaction";
1582 0 : case FD_EXECUTOR_INSTR_ERR_MAX_ACCS_EXCEEDED : return "Max accounts exceeded";
1583 0 : case FD_EXECUTOR_INSTR_ERR_MAX_INSN_TRACE_LENS_EXCEEDED : return "Max instruction trace length exceeded";
1584 0 : case FD_EXECUTOR_INSTR_ERR_BUILTINS_MUST_CONSUME_CUS : return "Builtin programs must consume compute units";
1585 0 : default: break;
1586 0 : }
1587 :
1588 0 : return "";
1589 0 : }
1590 :
1591 : // This is purely linker magic to force the inclusion of the yaml type walker so that it is
1592 : // available for debuggers
1593 : void
1594 0 : fd_debug_symbology(void) {
1595 0 : (void)fd_get_types_yaml();
1596 0 : }
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