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_vote_program.h"
22 : #include "program/fd_zk_elgamal_proof_program.h"
23 : #include "program/fd_bpf_program_util.h"
24 : #include "sysvar/fd_sysvar_slot_history.h"
25 : #include "sysvar/fd_sysvar_epoch_schedule.h"
26 : #include "sysvar/fd_sysvar_instructions.h"
27 : #include "sysvar/fd_sysvar_slot_hashes.h"
28 : #include "sysvar/fd_sysvar_rent.h"
29 :
30 : #include "tests/fd_dump_pb.h"
31 :
32 : #include "../../ballet/base58/fd_base58.h"
33 : #include "../../disco/pack/fd_pack.h"
34 : #include "../../disco/pack/fd_pack_cost.h"
35 :
36 : #include "../../util/bits/fd_uwide.h"
37 :
38 : #include <assert.h>
39 : #include <math.h>
40 : #include <stdio.h> /* snprintf(3) */
41 : #include <fcntl.h> /* openat(2) */
42 : #include <unistd.h> /* write(3) */
43 : #include <time.h>
44 :
45 : struct fd_native_prog_info {
46 : fd_pubkey_t key;
47 : fd_exec_instr_fn_t fn;
48 : uchar is_bpf_loader;
49 : };
50 : typedef struct fd_native_prog_info fd_native_prog_info_t;
51 :
52 : #define MAP_PERFECT_NAME fd_native_program_fn_lookup_tbl
53 : #define MAP_PERFECT_LG_TBL_SZ 4
54 : #define MAP_PERFECT_T fd_native_prog_info_t
55 15 : #define MAP_PERFECT_HASH_C 478U
56 : #define MAP_PERFECT_KEY key.uc
57 : #define MAP_PERFECT_KEY_T fd_pubkey_t const *
58 : #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)
59 : #define MAP_PERFECT_COMPLEX_KEY 1
60 15 : #define MAP_PERFECT_KEYS_EQUAL(k1,k2) (!memcmp( (k1), (k2), 32UL ))
61 :
62 15 : #define PERFECT_HASH( u ) (((MAP_PERFECT_HASH_C*(u))>>28)&0xFU)
63 :
64 : #define MAP_PERFECT_HASH_PP( a00,a01,a02,a03,a04,a05,a06,a07,a08,a09,a10,a11,a12,a13,a14,a15, \
65 : a16,a17,a18,a19,a20,a21,a22,a23,a24,a25,a26,a27,a28,a29,a30,a31) \
66 : PERFECT_HASH( (a08 | (a09<<8) | (a10<<16) | (a11<<24)) )
67 15 : #define MAP_PERFECT_HASH_R( ptr ) PERFECT_HASH( fd_uint_load_4( (uchar const *)ptr + 8UL ) )
68 :
69 : #define MAP_PERFECT_0 ( VOTE_PROG_ID ), .fn = fd_vote_program_execute, .is_bpf_loader = 0
70 : #define MAP_PERFECT_1 ( SYS_PROG_ID ), .fn = fd_system_program_execute, .is_bpf_loader = 0
71 : #define MAP_PERFECT_2 ( CONFIG_PROG_ID ), .fn = fd_config_program_execute, .is_bpf_loader = 0
72 : #define MAP_PERFECT_3 ( STAKE_PROG_ID ), .fn = fd_stake_program_execute, .is_bpf_loader = 0
73 : #define MAP_PERFECT_4 ( COMPUTE_BUDGET_PROG_ID ), .fn = fd_compute_budget_program_execute, .is_bpf_loader = 0
74 : #define MAP_PERFECT_5 ( ADDR_LUT_PROG_ID ), .fn = fd_address_lookup_table_program_execute, .is_bpf_loader = 0
75 : #define MAP_PERFECT_6 ( ZK_EL_GAMAL_PROG_ID ), .fn = fd_executor_zk_elgamal_proof_program_execute, .is_bpf_loader = 0
76 : #define MAP_PERFECT_7 ( BPF_LOADER_1_PROG_ID ), .fn = fd_bpf_loader_program_execute, .is_bpf_loader = 1
77 : #define MAP_PERFECT_8 ( BPF_LOADER_2_PROG_ID ), .fn = fd_bpf_loader_program_execute, .is_bpf_loader = 1
78 : #define MAP_PERFECT_9 ( BPF_UPGRADEABLE_PROG_ID ), .fn = fd_bpf_loader_program_execute, .is_bpf_loader = 1
79 : #define MAP_PERFECT_10 ( LOADER_V4_PROG_ID ), .fn = fd_loader_v4_program_execute, .is_bpf_loader = 1
80 :
81 : #include "../../util/tmpl/fd_map_perfect.c"
82 : #undef PERFECT_HASH
83 :
84 : #define MAP_PERFECT_NAME fd_native_precompile_program_fn_lookup_tbl
85 : #define MAP_PERFECT_LG_TBL_SZ 2
86 : #define MAP_PERFECT_T fd_native_prog_info_t
87 0 : #define MAP_PERFECT_HASH_C 63546U
88 : #define MAP_PERFECT_KEY key.uc
89 : #define MAP_PERFECT_KEY_T fd_pubkey_t const *
90 : #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)
91 : #define MAP_PERFECT_COMPLEX_KEY 1
92 0 : #define MAP_PERFECT_KEYS_EQUAL(k1,k2) (!memcmp( (k1), (k2), 32UL ))
93 :
94 0 : #define PERFECT_HASH( u ) (((MAP_PERFECT_HASH_C*(u))>>30)&0x3U)
95 :
96 : #define MAP_PERFECT_HASH_PP( a00,a01,a02,a03,a04,a05,a06,a07,a08,a09,a10,a11,a12,a13,a14,a15, \
97 : a16,a17,a18,a19,a20,a21,a22,a23,a24,a25,a26,a27,a28,a29,a30,a31) \
98 : PERFECT_HASH( (a00 | (a01<<8)) )
99 0 : #define MAP_PERFECT_HASH_R( ptr ) PERFECT_HASH( fd_uint_load_2( (uchar const *)ptr ) )
100 :
101 : #define MAP_PERFECT_0 ( ED25519_SV_PROG_ID ), .fn = fd_precompile_ed25519_verify
102 : #define MAP_PERFECT_1 ( KECCAK_SECP_PROG_ID ), .fn = fd_precompile_secp256k1_verify
103 : #define MAP_PERFECT_2 ( SECP256R1_PROG_ID ), .fn = fd_precompile_secp256r1_verify
104 :
105 : #include "../../util/tmpl/fd_map_perfect.c"
106 : #undef PERFECT_HASH
107 :
108 : fd_exec_instr_fn_t
109 0 : fd_executor_lookup_native_precompile_program( fd_txn_account_t const * prog_acc ) {
110 0 : fd_pubkey_t const * pubkey = prog_acc->pubkey;
111 0 : const fd_native_prog_info_t null_function = {0};
112 0 : return fd_native_precompile_program_fn_lookup_tbl_query( pubkey, &null_function )->fn;
113 0 : }
114 :
115 : uchar
116 15 : fd_executor_pubkey_is_bpf_loader( fd_pubkey_t const * pubkey ) {
117 15 : fd_native_prog_info_t const null_function = {0};
118 15 : return fd_native_program_fn_lookup_tbl_query( pubkey, &null_function )->is_bpf_loader;
119 15 : }
120 :
121 : /* fd_executor_lookup_native_program returns the appropriate instruction processor for the given
122 : native program ID. Returns NULL if given ID is not a recognized native program.
123 : https://github.com/anza-xyz/agave/blob/v2.2.6/program-runtime/src/invoke_context.rs#L520-L544 */
124 : static int
125 : fd_executor_lookup_native_program( fd_txn_account_t const * prog_acc,
126 : fd_exec_txn_ctx_t * txn_ctx,
127 : fd_exec_instr_fn_t * native_prog_fn,
128 0 : uchar * is_precompile ) {
129 : /* First lookup to see if the program key is a precompile */
130 0 : *is_precompile = 0;
131 0 : *native_prog_fn = fd_executor_lookup_native_precompile_program( prog_acc );
132 0 : if( FD_UNLIKELY( *native_prog_fn!=NULL ) ) {
133 0 : *is_precompile = 1;
134 0 : return 0;
135 0 : }
136 :
137 0 : fd_pubkey_t const * pubkey = prog_acc->pubkey;
138 0 : fd_pubkey_t const * owner = prog_acc->vt->get_owner( prog_acc );
139 :
140 : /* Native programs should be owned by the native loader...
141 : This will not be the case though once core programs are migrated to BPF. */
142 0 : int is_native_program = !memcmp( owner, fd_solana_native_loader_id.key, sizeof(fd_pubkey_t) );
143 :
144 0 : if( !is_native_program && FD_FEATURE_ACTIVE_BANK( txn_ctx->bank, remove_accounts_executable_flag_checks ) ) {
145 0 : if( FD_UNLIKELY( !fd_executor_pubkey_is_bpf_loader( owner ) ) ) {
146 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
147 0 : }
148 0 : }
149 :
150 0 : fd_pubkey_t const * lookup_pubkey = is_native_program ? pubkey : owner;
151 0 : fd_native_prog_info_t const null_function = {0};
152 0 : *native_prog_fn = fd_native_program_fn_lookup_tbl_query( lookup_pubkey, &null_function )->fn;
153 0 : return 0;
154 0 : }
155 :
156 : static int
157 0 : fd_executor_is_system_nonce_account( fd_txn_account_t * account, fd_spad_t * exec_spad ) {
158 0 : if( memcmp( account->vt->get_owner( account ), fd_solana_system_program_id.uc, sizeof(fd_pubkey_t) ) == 0 ) {
159 0 : if( !account->vt->get_data_len( account ) ) {
160 0 : return 0;
161 0 : } else {
162 0 : if( account->vt->get_data_len( account )!=FD_SYSTEM_PROGRAM_NONCE_DLEN ) {
163 0 : return -1;
164 0 : }
165 :
166 0 : int err;
167 0 : fd_nonce_state_versions_t * versions = fd_bincode_decode_spad(
168 0 : nonce_state_versions, exec_spad,
169 0 : account->vt->get_data( account ),
170 0 : account->vt->get_data_len( account ),
171 0 : &err );
172 0 : if( FD_UNLIKELY( err ) ) {
173 0 : return -1;
174 0 : }
175 :
176 0 : fd_nonce_state_t * state = NULL;
177 0 : if( fd_nonce_state_versions_is_current( versions ) ) {
178 0 : state = &versions->inner.current;
179 0 : } else {
180 0 : state = &versions->inner.legacy;
181 0 : }
182 :
183 0 : if( fd_nonce_state_is_initialized( state ) ) {
184 0 : return 1;
185 0 : }
186 :
187 0 : }
188 0 : }
189 :
190 0 : return -1;
191 0 : }
192 :
193 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm-rent-collector/src/svm_rent_collector.rs#L117-L136 */
194 : static uchar
195 : fd_executor_rent_transition_allowed( fd_rent_state_t const * pre_rent_state,
196 0 : fd_rent_state_t const * post_rent_state ) {
197 0 : switch( post_rent_state->discriminant ) {
198 0 : case fd_rent_state_enum_uninitialized:
199 0 : case fd_rent_state_enum_rent_exempt: {
200 0 : return 1;
201 0 : }
202 0 : case fd_rent_state_enum_rent_paying: {
203 0 : switch( pre_rent_state->discriminant ) {
204 0 : case fd_rent_state_enum_uninitialized:
205 0 : case fd_rent_state_enum_rent_exempt: {
206 0 : return 0;
207 0 : }
208 0 : case fd_rent_state_enum_rent_paying: {
209 0 : return post_rent_state->inner.rent_paying.data_size==pre_rent_state->inner.rent_paying.data_size &&
210 0 : post_rent_state->inner.rent_paying.lamports<=pre_rent_state->inner.rent_paying.lamports;
211 0 : }
212 0 : default: {
213 0 : __builtin_unreachable();
214 0 : }
215 0 : }
216 0 : }
217 0 : default: {
218 0 : __builtin_unreachable();
219 0 : }
220 0 : }
221 0 : }
222 :
223 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm-rent-collector/src/svm_rent_collector.rs#L61-L77 */
224 : static int
225 : fd_executor_check_rent_state_with_account( fd_txn_account_t const * account,
226 : fd_rent_state_t const * pre_rent_state,
227 0 : fd_rent_state_t const * post_rent_state ) {
228 0 : if( FD_UNLIKELY( memcmp( account->pubkey->key, fd_sysvar_incinerator_id.key, sizeof(fd_pubkey_t) ) &&
229 0 : !fd_executor_rent_transition_allowed( pre_rent_state, post_rent_state ) ) ) {
230 0 : return FD_RUNTIME_TXN_ERR_INSUFFICIENT_FUNDS_FOR_RENT;
231 0 : }
232 0 : return FD_RUNTIME_EXECUTE_SUCCESS;
233 0 : }
234 :
235 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm-rent-collector/src/svm_rent_collector.rs#L87-L101 */
236 : fd_rent_state_t
237 0 : fd_executor_get_account_rent_state( fd_txn_account_t const * account, fd_rent_t const * rent ) {
238 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm-rent-collector/src/svm_rent_collector.rs#L88-L89 */
239 0 : if( account->vt->get_lamports( account )==0UL ) {
240 0 : return (fd_rent_state_t){
241 0 : .discriminant = fd_rent_state_enum_uninitialized
242 0 : };
243 0 : }
244 :
245 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm-rent-collector/src/svm_rent_collector.rs#L90-L94 */
246 0 : if( account->vt->get_lamports( account )>=fd_rent_exempt_minimum_balance( rent, account->vt->get_data_len( account ) ) ) {
247 0 : return (fd_rent_state_t){
248 0 : .discriminant = fd_rent_state_enum_rent_exempt
249 0 : };
250 0 : }
251 :
252 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm-rent-collector/src/svm_rent_collector.rs#L95-L99 */
253 0 : return (fd_rent_state_t){
254 0 : .discriminant = fd_rent_state_enum_rent_paying,
255 0 : .inner = {
256 0 : .rent_paying = {
257 0 : .lamports = account->vt->get_lamports( account ),
258 0 : .data_size = account->vt->get_data_len( account )
259 0 : }
260 0 : }
261 0 : };
262 0 : }
263 :
264 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/account_loader.rs#L293-L342 */
265 : static int
266 : fd_validate_fee_payer( fd_txn_account_t * account,
267 : fd_rent_t const * rent,
268 : ulong fee,
269 0 : fd_spad_t * exec_spad ) {
270 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/account_loader.rs#L301-L304 */
271 0 : if( FD_UNLIKELY( account->vt->get_lamports( account )==0UL ) ) {
272 0 : return FD_RUNTIME_TXN_ERR_ACCOUNT_NOT_FOUND;
273 0 : }
274 :
275 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/account_loader.rs#L305-L308 */
276 0 : int is_nonce = fd_executor_is_system_nonce_account( account, exec_spad );
277 0 : if( FD_UNLIKELY( is_nonce<0 ) ) {
278 0 : return FD_RUNTIME_TXN_ERR_INVALID_ACCOUNT_FOR_FEE;
279 0 : }
280 :
281 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/account_loader.rs#L309-L318 */
282 0 : ulong min_balance = 0UL;
283 0 : if( is_nonce ) {
284 0 : min_balance = fd_rent_exempt_minimum_balance( rent, 80 );
285 0 : }
286 :
287 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/account_loader.rs#L320-L327 */
288 0 : if( FD_UNLIKELY( min_balance>account->vt->get_lamports( account ) ||
289 0 : fee>account->vt->get_lamports( account )-min_balance ) ) {
290 0 : return FD_RUNTIME_TXN_ERR_INSUFFICIENT_FUNDS_FOR_FEE;
291 0 : }
292 :
293 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/account_loader.rs#L329 */
294 0 : fd_rent_state_t payer_pre_rent_state = fd_executor_get_account_rent_state( account, rent );
295 :
296 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/account_loader.rs#L330-L332 */
297 0 : int err = account->vt->checked_sub_lamports( account, fee );
298 0 : if( FD_UNLIKELY( err!=FD_EXECUTOR_INSTR_SUCCESS ) ) {
299 0 : return FD_RUNTIME_TXN_ERR_INSUFFICIENT_FUNDS_FOR_FEE;
300 0 : }
301 :
302 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/account_loader.rs#L334 */
303 0 : fd_rent_state_t payer_post_rent_state = fd_executor_get_account_rent_state( account, rent );
304 :
305 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/account_loader.rs#L335-L342 */
306 0 : return fd_executor_check_rent_state_with_account( account, &payer_pre_rent_state, &payer_post_rent_state );
307 0 : }
308 :
309 : static int FD_FN_UNUSED
310 0 : status_check_tower( ulong slot, void * _ctx ) {
311 0 : fd_exec_txn_ctx_t * ctx = (fd_exec_txn_ctx_t *)_ctx;
312 0 : if( slot==ctx->slot ) {
313 0 : return 1;
314 0 : }
315 0 :
316 0 : if( fd_txncache_is_rooted_slot( ctx->status_cache, slot ) ) {
317 0 : return 1;
318 0 : }
319 0 :
320 0 : fd_slot_history_global_t * slot_history = fd_sysvar_slot_history_read( ctx->funk,
321 0 : ctx->funk_txn,
322 0 : ctx->spad );
323 0 : if( FD_UNLIKELY( !slot_history ) ) {
324 0 : FD_LOG_ERR(( "Unable to read and decode slot history sysvar" ));
325 0 : }
326 0 :
327 0 : if( fd_sysvar_slot_history_find_slot( slot_history,
328 0 : slot,
329 0 : ctx->runtime_pub_wksp ) == FD_SLOT_HISTORY_SLOT_FOUND ) {
330 0 : return 1;
331 0 : }
332 0 :
333 0 : return 0;
334 0 : }
335 :
336 : static int
337 0 : fd_executor_check_status_cache( fd_exec_txn_ctx_t * txn_ctx ) {
338 :
339 0 : if( FD_UNLIKELY( !txn_ctx->status_cache ) ) {
340 0 : return FD_RUNTIME_EXECUTE_SUCCESS;
341 0 : }
342 :
343 0 : fd_hash_t * blockhash = (fd_hash_t *)((uchar *)txn_ctx->_txn_raw->raw + txn_ctx->txn_descriptor->recent_blockhash_off);
344 :
345 0 : fd_txncache_query_t curr_query;
346 0 : curr_query.blockhash = blockhash->uc;
347 0 : fd_blake3_t b3[1];
348 :
349 : /* Compute the blake3 hash of the transaction message
350 : https://github.com/anza-xyz/agave/blob/v2.1.7/sdk/program/src/message/versions/mod.rs#L159-L167 */
351 0 : fd_blake3_init( b3 );
352 0 : fd_blake3_append( b3, "solana-tx-message-v1", 20UL );
353 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 ) );
354 0 : fd_blake3_fini( b3, &txn_ctx->blake_txn_msg_hash );
355 0 : curr_query.txnhash = txn_ctx->blake_txn_msg_hash.uc;
356 :
357 : // FIXME: Commenting out until txncache is fixed
358 0 : (void)curr_query;
359 : // int err;
360 : // fd_txncache_query_batch( txn_ctx->status_cache,
361 : // &curr_query,
362 : // 1UL,
363 : // (void *)txn_ctx,
364 : // status_check_tower, &err );
365 0 : return 0;
366 0 : }
367 :
368 : /* https://github.com/anza-xyz/agave/blob/ced98f1ebe73f7e9691308afa757323003ff744f/runtime/src/bank.rs#L3596-L3605 */
369 : int
370 0 : fd_executor_check_transactions( fd_exec_txn_ctx_t * txn_ctx ) {
371 : /* https://github.com/anza-xyz/agave/blob/ced98f1ebe73f7e9691308afa757323003ff744f/runtime/src/bank.rs#L3603 */
372 0 : int err = fd_check_transaction_age( txn_ctx );
373 0 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
374 0 : return err;
375 0 : }
376 :
377 : /* https://github.com/anza-xyz/agave/blob/ced98f1ebe73f7e9691308afa757323003ff744f/runtime/src/bank.rs#L3604 */
378 0 : err = fd_executor_check_status_cache( txn_ctx );
379 0 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
380 0 : return err;
381 0 : }
382 :
383 0 : return FD_RUNTIME_EXECUTE_SUCCESS;
384 0 : }
385 :
386 : /* https://github.com/anza-xyz/agave/blob/v2.1.0/runtime/src/verify_precompiles.rs#L11-L34 */
387 : int
388 0 : fd_executor_verify_precompiles( fd_exec_txn_ctx_t * txn_ctx ) {
389 0 : ushort instr_cnt = txn_ctx->txn_descriptor->instr_cnt;
390 0 : int err = 0;
391 :
392 0 : for( ushort i=0; i<instr_cnt; i++ ) {
393 0 : fd_instr_info_t const * instr = &txn_ctx->instr_infos[i];
394 0 : fd_txn_account_t const * program_acc = &txn_ctx->accounts[ instr->program_id ];
395 0 : fd_exec_instr_fn_t precompile_fn = fd_executor_lookup_native_precompile_program( program_acc );
396 :
397 : /* We need to handle feature-gated precompiles here as well since they're not accounted for in the precompile lookup table. */
398 0 : if( FD_LIKELY( precompile_fn==NULL ||
399 0 : ( !memcmp( program_acc->pubkey->key, &fd_solana_secp256r1_program_id.key, sizeof(fd_pubkey_t) ) &&
400 0 : !FD_FEATURE_ACTIVE_BANK( txn_ctx->bank, enable_secp256r1_precompile ) ) ) ) {
401 0 : continue;
402 0 : }
403 :
404 : /* We can create a mock instr_ctx since we only need the txn_ctx and instr fields */
405 0 : fd_exec_instr_ctx_t instr_ctx = {
406 0 : .txn_ctx = txn_ctx,
407 0 : .instr = instr,
408 0 : };
409 :
410 0 : err = precompile_fn( &instr_ctx );
411 0 : if( FD_UNLIKELY( err ) ) {
412 0 : FD_TXN_ERR_FOR_LOG_INSTR( txn_ctx, err, i );
413 0 : return FD_RUNTIME_TXN_ERR_INSTRUCTION_ERROR;
414 0 : }
415 0 : }
416 :
417 0 : return FD_RUNTIME_EXECUTE_SUCCESS;
418 0 : }
419 :
420 : static void
421 0 : fd_executor_setup_instr_infos_from_txn_instrs( fd_exec_txn_ctx_t * txn_ctx ) {
422 0 : ushort instr_cnt = txn_ctx->txn_descriptor->instr_cnt;
423 :
424 : /* Set up the instr infos for the transaction */
425 0 : for( ushort i=0; i<instr_cnt; i++ ) {
426 0 : fd_txn_instr_t const * instr = &txn_ctx->txn_descriptor->instr[i];
427 0 : fd_instr_info_init_from_txn_instr( &txn_ctx->instr_infos[i], txn_ctx, instr );
428 0 : }
429 :
430 0 : txn_ctx->instr_info_cnt = instr_cnt;
431 0 : }
432 :
433 : /* https://github.com/anza-xyz/agave/blob/v2.0.9/svm/src/account_loader.rs#L410-427 */
434 : static int
435 : accumulate_and_check_loaded_account_data_size( ulong acc_size,
436 : ulong requested_loaded_accounts_data_size,
437 0 : ulong * accumulated_account_size ) {
438 0 : *accumulated_account_size = fd_ulong_sat_add( *accumulated_account_size, acc_size );
439 0 : if( FD_UNLIKELY( *accumulated_account_size>requested_loaded_accounts_data_size ) ) {
440 0 : return FD_RUNTIME_TXN_ERR_MAX_LOADED_ACCOUNTS_DATA_SIZE_EXCEEDED;
441 0 : }
442 0 : return FD_RUNTIME_EXECUTE_SUCCESS;
443 0 : }
444 :
445 : /* This function contains special casing for loading and collecting rent from
446 : each transaction account. The logic is as follows:
447 : 1. If the account is the instructions sysvar, then load in the compiled
448 : instructions from the transactions into the sysvar's data.
449 : 2. If the account is a fee payer, then it is already loaded.
450 : 3. Otherwise load in the account from the accounts DB. If the account is
451 : writable and exists, try to collect rent from it.
452 :
453 : https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L536-L580 */
454 : static void
455 : load_transaction_account( fd_exec_txn_ctx_t * txn_ctx,
456 : fd_txn_account_t * acct,
457 : uchar is_writable,
458 : ulong epoch,
459 0 : uchar unknown_acc ) {
460 : /* Handling the sysvar instructions account explictly.
461 : https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L544-L551 */
462 0 : if( FD_UNLIKELY( !memcmp( acct->pubkey->key, fd_sysvar_instructions_id.key, sizeof(fd_pubkey_t) ) ) ) {
463 0 : fd_sysvar_instructions_serialize_account( txn_ctx, (fd_instr_info_t const *)txn_ctx->instr_infos, txn_ctx->txn_descriptor->instr_cnt );
464 0 : return;
465 0 : }
466 :
467 : /* This next block calls `load_account()` which loads the account from the accounts db. If the
468 : account exists and is writable, collect rent from it.
469 : https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L552-L565 */
470 0 : if( FD_LIKELY( !unknown_acc ) ) {
471 0 : if( is_writable ) {
472 0 : txn_ctx->collected_rent += fd_runtime_collect_rent_from_account( fd_bank_epoch_schedule_query( txn_ctx->bank ),
473 0 : fd_bank_rent_query( txn_ctx->bank ),
474 0 : fd_bank_slots_per_year_get( txn_ctx->bank ),
475 0 : acct,
476 0 : epoch );
477 0 : acct->starting_lamports = acct->vt->get_lamports( acct ); /* TODO: why do we do this everywhere? */
478 0 : }
479 0 : return;
480 0 : }
481 :
482 : /* The rest of this function is a no-op for us since we already set up the transaction accounts
483 : for unknown accounts within `fd_executor_setup_accounts_for_txn()`.
484 : https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L566-L577 */
485 0 : }
486 :
487 : /* This big function contains a lot of logic and special casing for loading transaction accounts.
488 : Because of the `enable_transaction_loading_failure_fees` feature, it is imperative that we
489 : are conformant with Agave's logic here and reject / accept transactions here where they do.
490 :
491 : In the firedancer client only some of these steps are necessary because
492 : all of the accounts are loaded in from the accounts db into borrowed
493 : accounts already.
494 :
495 : https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L393-L534 */
496 : int
497 0 : fd_executor_load_transaction_accounts( fd_exec_txn_ctx_t * txn_ctx ) {
498 0 : ulong requested_loaded_accounts_data_size = txn_ctx->loaded_accounts_data_size_limit;
499 0 : fd_epoch_schedule_t const * schedule = fd_sysvar_epoch_schedule_read( txn_ctx->funk, txn_ctx->funk_txn, txn_ctx->spad );
500 0 : if( FD_UNLIKELY( !schedule ) ) {
501 0 : FD_LOG_ERR(( "Unable to read and decode epoch schedule sysvar" ));
502 0 : }
503 :
504 0 : ulong epoch = fd_slot_to_epoch( schedule, txn_ctx->slot, NULL );
505 :
506 : /* https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L429-L443 */
507 0 : for( ushort i=0; i<txn_ctx->accounts_cnt; i++ ) {
508 0 : fd_txn_account_t * acct = &txn_ctx->accounts[i];
509 0 : uchar unknown_acc = !!(fd_exec_txn_ctx_get_account_at_index( txn_ctx, i, &acct, fd_txn_account_check_exists ) ||
510 0 : acct->vt->get_lamports( acct )==0UL);
511 0 : ulong acc_size = unknown_acc ? 0UL : acct->vt->get_data_len( acct );
512 0 : uchar is_writable = !!(fd_exec_txn_ctx_account_is_writable_idx( txn_ctx, i ));
513 :
514 : /* Collect the fee payer account separately
515 : https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L429-L431 */
516 0 : if( FD_UNLIKELY( i==FD_FEE_PAYER_TXN_IDX ) ) {
517 : /* Note that the dlen for most fee payers is 0, but we want to consider the case where the fee payer
518 : is a nonce account. */
519 0 : int err = accumulate_and_check_loaded_account_data_size( acc_size,
520 0 : requested_loaded_accounts_data_size,
521 0 : &txn_ctx->loaded_accounts_data_size );
522 0 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
523 0 : return err;
524 0 : }
525 0 : continue;
526 0 : }
527 :
528 : /* https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L435-L441 */
529 0 : load_transaction_account( txn_ctx, acct, is_writable, epoch, unknown_acc );
530 :
531 : /* https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L442 */
532 0 : int err = accumulate_and_check_loaded_account_data_size( acc_size,
533 0 : requested_loaded_accounts_data_size,
534 0 : &txn_ctx->loaded_accounts_data_size );
535 :
536 0 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
537 0 : return err;
538 0 : }
539 0 : }
540 :
541 : /* TODO: Consider using a hash set (if its more performant) */
542 0 : ushort instr_cnt = txn_ctx->txn_descriptor->instr_cnt;
543 0 : fd_pubkey_t validated_loaders[instr_cnt];
544 0 : ushort validated_loaders_cnt = 0;
545 :
546 : /* The logic below handles special casing with loading instruction accounts.
547 : https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L445-L525 */
548 0 : for( ushort i=0; i<instr_cnt; i++ ) {
549 0 : fd_txn_instr_t const * instr = &txn_ctx->txn_descriptor->instr[i];
550 :
551 : /* https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L449-L451 */
552 0 : if( FD_UNLIKELY( !memcmp( txn_ctx->account_keys[ instr->program_id ].key, fd_solana_native_loader_id.key, sizeof(fd_pubkey_t) ) ) ) {
553 0 : continue;
554 0 : }
555 :
556 : /* Mimicking `load_account()` here with 0-lamport check as well.
557 : https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L455-L462 */
558 0 : fd_txn_account_t * program_account = NULL;
559 0 : int err = fd_exec_txn_ctx_get_account_at_index( txn_ctx,
560 0 : instr->program_id,
561 0 : &program_account,
562 0 : fd_txn_account_check_exists );
563 0 : if( FD_UNLIKELY( err!=FD_ACC_MGR_SUCCESS || program_account->vt->get_lamports( program_account )==0UL ) ) {
564 0 : return FD_RUNTIME_TXN_ERR_PROGRAM_ACCOUNT_NOT_FOUND;
565 0 : }
566 :
567 : /* https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L464-L471 */
568 0 : if( FD_UNLIKELY( !FD_FEATURE_ACTIVE_BANK( txn_ctx->bank, remove_accounts_executable_flag_checks ) &&
569 0 : !program_account->vt->is_executable( program_account ) ) ) {
570 0 : return FD_RUNTIME_TXN_ERR_INVALID_PROGRAM_FOR_EXECUTION;
571 0 : }
572 :
573 : /* https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L474-L477 */
574 0 : if( !memcmp( program_account->vt->get_owner( program_account ), fd_solana_native_loader_id.key, sizeof(fd_pubkey_t) ) ) {
575 0 : continue;
576 0 : }
577 :
578 : /* https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L479-L522 */
579 0 : uchar loader_seen = 0;
580 0 : for( ushort j=0; j<validated_loaders_cnt; j++ ) {
581 0 : if( !memcmp( validated_loaders[j].key, program_account->vt->get_owner( program_account ), sizeof(fd_pubkey_t) ) ) {
582 : /* If the owner account has already been seen, skip the owner checks
583 : and do not acccumulate the account size. */
584 0 : loader_seen = 1;
585 0 : break;
586 0 : }
587 0 : }
588 0 : if( loader_seen ) continue;
589 :
590 : /* The agave client does checks on the program account's owners as well.
591 : However, it is important to not do these checks multiple times as the
592 : total size of accounts and their owners are accumulated: duplicate owners
593 : should be avoided.
594 : https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L496-L517 */
595 0 : FD_TXN_ACCOUNT_DECL( owner_account );
596 0 : err = fd_txn_account_init_from_funk_readonly( owner_account,
597 0 : program_account->vt->get_owner( program_account ),
598 0 : txn_ctx->funk,
599 0 : txn_ctx->funk_txn );
600 0 : if( FD_UNLIKELY( err!=FD_ACC_MGR_SUCCESS ) ) {
601 : /* https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L520 */
602 0 : return FD_RUNTIME_TXN_ERR_PROGRAM_ACCOUNT_NOT_FOUND;
603 0 : }
604 :
605 :
606 : /* https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L502-L510 */
607 0 : if( FD_UNLIKELY( memcmp( owner_account->vt->get_owner( owner_account ), fd_solana_native_loader_id.key, sizeof(fd_pubkey_t) ) ||
608 0 : ( !FD_FEATURE_ACTIVE_BANK( txn_ctx->bank, remove_accounts_executable_flag_checks ) &&
609 0 : !owner_account->vt->is_executable( owner_account ) ) ) ) {
610 0 : return FD_RUNTIME_TXN_ERR_INVALID_PROGRAM_FOR_EXECUTION;
611 0 : }
612 :
613 : /* Count the owner's data in the loaded account size for program accounts.
614 : However, it is important to not double count repeated owners.
615 : https://github.com/anza-xyz/agave/blob/v2.2.0/svm/src/account_loader.rs#L511-L517 */
616 0 : err = accumulate_and_check_loaded_account_data_size( owner_account->vt->get_data_len( owner_account ),
617 0 : requested_loaded_accounts_data_size,
618 0 : &txn_ctx->loaded_accounts_data_size );
619 0 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
620 0 : return err;
621 0 : }
622 :
623 0 : fd_memcpy( validated_loaders[ validated_loaders_cnt++ ].key, owner_account->pubkey, sizeof(fd_pubkey_t) );
624 0 : }
625 :
626 0 : return FD_RUNTIME_EXECUTE_SUCCESS;
627 0 : }
628 :
629 : /* https://github.com/anza-xyz/agave/blob/838c1952595809a31520ff1603a13f2c9123aa51/accounts-db/src/account_locks.rs#L118 */
630 : int
631 0 : fd_executor_validate_account_locks( fd_exec_txn_ctx_t const * txn_ctx ) {
632 : /* Ensure the number of account keys does not exceed the transaction lock limit
633 : https://github.com/anza-xyz/agave/blob/838c1952595809a31520ff1603a13f2c9123aa51/accounts-db/src/account_locks.rs#L123 */
634 0 : ulong tx_account_lock_limit = get_transaction_account_lock_limit( txn_ctx );
635 0 : if( FD_UNLIKELY( txn_ctx->accounts_cnt>tx_account_lock_limit ) ) {
636 0 : return FD_RUNTIME_TXN_ERR_TOO_MANY_ACCOUNT_LOCKS;
637 0 : }
638 :
639 : /* Duplicate account check
640 : https://github.com/anza-xyz/agave/blob/838c1952595809a31520ff1603a13f2c9123aa51/accounts-db/src/account_locks.rs#L125 */
641 0 : for( ushort i=0; i<txn_ctx->accounts_cnt; i++ ) {
642 0 : for( ushort j=(ushort)(i+1U); j<txn_ctx->accounts_cnt; j++ ) {
643 0 : if( FD_UNLIKELY( !memcmp( &txn_ctx->account_keys[i], &txn_ctx->account_keys[j], sizeof(fd_pubkey_t) ) ) ) {
644 0 : return FD_RUNTIME_TXN_ERR_ACCOUNT_LOADED_TWICE;
645 0 : }
646 0 : }
647 0 : }
648 :
649 : /* https://github.com/anza-xyz/agave/blob/ced98f1ebe73f7e9691308afa757323003ff744f/sdk/src/transaction/sanitized.rs#L286-L288 */
650 0 : return FD_RUNTIME_EXECUTE_SUCCESS;
651 0 : }
652 :
653 : static void
654 : compute_priority_fee( fd_exec_txn_ctx_t const * txn_ctx,
655 : ulong * fee,
656 0 : ulong * priority ) {
657 0 : switch( txn_ctx->prioritization_fee_type ) {
658 0 : case FD_COMPUTE_BUDGET_PRIORITIZATION_FEE_TYPE_DEPRECATED: {
659 0 : if( !txn_ctx->compute_unit_limit ) {
660 0 : *priority = 0UL;
661 0 : }
662 0 : else {
663 0 : uint128 micro_lamport_fee = (uint128)txn_ctx->compute_unit_price * (uint128)MICRO_LAMPORTS_PER_LAMPORT;
664 0 : uint128 _priority = micro_lamport_fee / (uint128)txn_ctx->compute_unit_limit;
665 0 : *priority = _priority > (uint128)ULONG_MAX ? ULONG_MAX : (ulong)_priority;
666 0 : }
667 :
668 0 : *fee = txn_ctx->compute_unit_price;
669 0 : return;
670 :
671 0 : } case FD_COMPUTE_BUDGET_PRIORITIZATION_FEE_TYPE_COMPUTE_UNIT_PRICE: {
672 0 : uint128 micro_lamport_fee = (uint128)txn_ctx->compute_unit_price * (uint128)txn_ctx->compute_unit_limit;
673 0 : *priority = txn_ctx->compute_unit_price;
674 0 : uint128 _fee = (micro_lamport_fee + (uint128)(MICRO_LAMPORTS_PER_LAMPORT - 1)) / (uint128)(MICRO_LAMPORTS_PER_LAMPORT);
675 0 : *fee = _fee > (uint128)ULONG_MAX ? ULONG_MAX : (ulong)_fee;
676 0 : return;
677 :
678 0 : }
679 0 : default:
680 0 : __builtin_unreachable();
681 0 : }
682 0 : }
683 :
684 : static ulong
685 0 : fd_executor_lamports_per_signature( fd_fee_rate_governor_t const * fee_rate_governor ) {
686 : // https://github.com/solana-labs/solana/blob/8f2c8b8388a495d2728909e30460aa40dcc5d733/sdk/program/src/fee_calculator.rs#L110
687 0 : return fee_rate_governor->target_lamports_per_signature / 2;
688 0 : }
689 :
690 : static void
691 : fd_executor_calculate_fee( fd_exec_txn_ctx_t * txn_ctx,
692 : fd_txn_t const * txn_descriptor,
693 : fd_rawtxn_b_t const * txn_raw,
694 : ulong * ret_execution_fee,
695 0 : ulong * ret_priority_fee) {
696 :
697 : // https://github.com/firedancer-io/solana/blob/08a1ef5d785fe58af442b791df6c4e83fe2e7c74/runtime/src/bank.rs#L4443
698 0 : ulong priority = 0UL;
699 0 : ulong priority_fee = 0UL;
700 0 : compute_priority_fee( txn_ctx, &priority_fee, &priority );
701 :
702 : // let signature_fee = Self::get_num_signatures_in_message(message) .saturating_mul(fee_structure.lamports_per_signature);
703 0 : ulong num_signatures = txn_descriptor->signature_cnt;
704 0 : for (ushort i=0; i<txn_descriptor->instr_cnt; ++i ) {
705 0 : fd_txn_instr_t const * txn_instr = &txn_descriptor->instr[i];
706 0 : fd_pubkey_t * program_id = &txn_ctx->account_keys[txn_instr->program_id];
707 0 : if( !memcmp(program_id->uc, fd_solana_keccak_secp_256k_program_id.key, sizeof(fd_pubkey_t)) ||
708 0 : !memcmp(program_id->uc, fd_solana_ed25519_sig_verify_program_id.key, sizeof(fd_pubkey_t)) ||
709 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 )) ) {
710 0 : if( !txn_instr->data_sz ) {
711 0 : continue;
712 0 : }
713 0 : uchar * data = (uchar *)txn_raw->raw + txn_instr->data_off;
714 0 : num_signatures = fd_ulong_sat_add(num_signatures, (ulong)(data[0]));
715 0 : }
716 0 : }
717 :
718 0 : ulong signature_fee = fd_executor_lamports_per_signature( fd_bank_fee_rate_governor_query( txn_ctx->bank ) ) * num_signatures;
719 :
720 : // TODO: as far as I can tell, this is always 0
721 : //
722 : // let write_lock_fee = Self::get_num_write_locks_in_message(message)
723 : // .saturating_mul(fee_structure.lamports_per_write_lock);
724 0 : ulong lamports_per_write_lock = 0UL;
725 0 : ulong write_lock_fee = fd_ulong_sat_mul(fd_txn_account_cnt(txn_descriptor, FD_TXN_ACCT_CAT_WRITABLE), lamports_per_write_lock);
726 :
727 : // TODO: the fee_structure bin is static and default..
728 : // let loaded_accounts_data_size_cost = if include_loaded_account_data_size_in_fee {
729 : // FeeStructure::calculate_memory_usage_cost(
730 : // budget_limits.loaded_accounts_data_size_limit,
731 : // budget_limits.heap_cost,
732 : // )
733 : // } else {
734 : // 0_u64
735 : // };
736 : // let total_compute_units =
737 : // loaded_accounts_data_size_cost.saturating_add(budget_limits.compute_unit_limit);
738 : // let compute_fee = self
739 : // .compute_fee_bins
740 : // .iter()
741 : // .find(|bin| total_compute_units <= bin.limit)
742 : // .map(|bin| bin.fee)
743 : // .unwrap_or_else(|| {
744 : // self.compute_fee_bins
745 : // .last()
746 : // .map(|bin| bin.fee)
747 : // .unwrap_or_default()
748 : // });
749 :
750 : // https://github.com/anza-xyz/agave/blob/2e6ca8c1f62db62c1db7f19c9962d4db43d0d550/sdk/src/fee.rs#L203-L206
751 0 : ulong execution_fee = fd_ulong_sat_add( signature_fee, write_lock_fee );
752 :
753 0 : if( execution_fee >= ULONG_MAX ) {
754 0 : *ret_execution_fee = ULONG_MAX;
755 0 : } else {
756 0 : *ret_execution_fee = execution_fee;
757 0 : }
758 :
759 0 : if( priority_fee >= ULONG_MAX ) {
760 0 : *ret_priority_fee = ULONG_MAX;
761 0 : } else {
762 0 : *ret_priority_fee = priority_fee;
763 0 : }
764 0 : }
765 :
766 : /* This function creates a rollback account for just the fee payer. Although Agave
767 : also sets up rollback accounts for both the fee payer and nonce account here,
768 : we already set up the rollback nonce account in earlier sanitization checks. Here
769 : we have to capture the entire fee payer record so that if the transaction fails,
770 : the fee payer state can be rolled back to it's state pre-transaction, and then debited
771 : any transaction fees.
772 :
773 : Our implementation is slightly different than Agave's in several ways:
774 : 1. The rollback nonce account has already been set up when checking the transaction age
775 : 2. When the nonce and fee payer accounts are the same...
776 : - Agave copies the data from the rollback nonce account into the rollback fee payer account,
777 : and then uses that new fee payer account as the rollback account.
778 : - We simply set the rent epoch and lamports of the rollback nonce account (since the other fields
779 : of the account do not change)
780 :
781 : https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/rollback_accounts.rs#L34-L77 */
782 : static void
783 : fd_executor_create_rollback_fee_payer_account( fd_exec_txn_ctx_t * txn_ctx,
784 0 : ulong total_fee ) {
785 0 : fd_txn_account_t * fee_payer_rec = &txn_ctx->accounts[FD_FEE_PAYER_TXN_IDX];
786 0 : fd_txn_account_t * rollback_fee_payer_rec;
787 :
788 : /* When setting the data of the rollback fee payer, there is an edge case where the fee payer is the nonce account.
789 : In this case, we can just deduct fees from the nonce account and return, because we save the nonce account in the
790 : commit phase anyways. */
791 0 : if( FD_UNLIKELY( txn_ctx->nonce_account_idx_in_txn==FD_FEE_PAYER_TXN_IDX ) ) {
792 0 : rollback_fee_payer_rec = txn_ctx->rollback_nonce_account;
793 :
794 : /* We also need to update the rent epoch because technically, Agave copies these fields
795 : from the fee payer account (since the rollback account does not reflect these changes yet) */
796 0 : rollback_fee_payer_rec->vt->set_rent_epoch( rollback_fee_payer_rec,
797 0 : fee_payer_rec->vt->get_rent_epoch( fee_payer_rec ) );
798 0 : } else {
799 :
800 : /* In this case, the fee payer is not equal to the nonce account (whether or not it exists).
801 : Load in a copy of the fee payer account from funk */
802 0 : rollback_fee_payer_rec = fd_txn_account_init( txn_ctx->rollback_fee_payer_account );
803 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 );
804 0 : memcpy( rollback_fee_payer_rec->pubkey->key, &txn_ctx->account_keys[FD_FEE_PAYER_TXN_IDX], sizeof(fd_pubkey_t) );
805 :
806 : /* This allocation should only ever be 104 bytes (since dlen should be 0). */
807 0 : ulong data_len = txn_ctx->accounts[FD_FEE_PAYER_TXN_IDX].vt->get_data_len( &txn_ctx->accounts[FD_FEE_PAYER_TXN_IDX] );
808 0 : void * fee_payer_data = fd_spad_alloc( txn_ctx->spad, FD_ACCOUNT_REC_ALIGN, sizeof(fd_account_meta_t) + data_len );
809 0 : fd_txn_account_make_mutable( rollback_fee_payer_rec, fee_payer_data, txn_ctx->spad_wksp );
810 :
811 : /* There's another weird edge case where if the transaction contains a nonce account, you also have
812 : to save the rent epoch field of the fee payer account.
813 : https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/rollback_accounts.rs#L68-L75 */
814 0 : if( txn_ctx->nonce_account_idx_in_txn!=ULONG_MAX ) {
815 0 : rollback_fee_payer_rec->vt->set_rent_epoch( rollback_fee_payer_rec,
816 0 : fee_payer_rec->vt->get_rent_epoch( fee_payer_rec ) );
817 0 : }
818 0 : }
819 :
820 : /* Deduct the transaction fees from the rollback account. Because of prior checks, this should never fail. */
821 0 : if( FD_UNLIKELY( rollback_fee_payer_rec->vt->checked_sub_lamports( rollback_fee_payer_rec, total_fee ) ) ) {
822 0 : FD_LOG_ERR(( "fd_executor_create_rollback_fee_payer_account(): failed to deduct fees from rollback account" ));
823 0 : }
824 0 : }
825 :
826 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/transaction_processor.rs#L557-L634 */
827 : int
828 0 : fd_executor_validate_transaction_fee_payer( fd_exec_txn_ctx_t * txn_ctx ) {
829 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/transaction_processor.rs#L566-L569 */
830 0 : int err = fd_executor_compute_budget_program_execute_instructions( txn_ctx, txn_ctx->_txn_raw );
831 0 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
832 0 : return err;
833 0 : }
834 :
835 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/transaction_processor.rs#L574-L580 */
836 0 : fd_txn_account_t * fee_payer_rec = NULL;
837 0 : err = fd_exec_txn_ctx_get_account_at_index( txn_ctx,
838 0 : FD_FEE_PAYER_TXN_IDX,
839 0 : &fee_payer_rec,
840 0 : fd_txn_account_check_fee_payer_writable );
841 0 : if( FD_UNLIKELY( err!=FD_ACC_MGR_SUCCESS ) ) {
842 0 : return FD_RUNTIME_TXN_ERR_ACCOUNT_NOT_FOUND;
843 0 : }
844 :
845 : /* Collect rent from the fee payer
846 : https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/transaction_processor.rs#L583-L589 */
847 0 : ulong epoch = fd_slot_to_epoch( fd_bank_epoch_schedule_query( txn_ctx->bank ), txn_ctx->slot, NULL );
848 0 : txn_ctx->collected_rent += fd_runtime_collect_rent_from_account( fd_bank_epoch_schedule_query( txn_ctx->bank ),
849 0 : fd_bank_rent_query( txn_ctx->bank ),
850 0 : fd_bank_slots_per_year_get( txn_ctx->bank ),
851 0 : fee_payer_rec,
852 0 : epoch );
853 :
854 : /* Calculate transaction fees
855 : https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/transaction_processor.rs#L597-L606 */
856 0 : ulong execution_fee = 0UL;
857 0 : ulong priority_fee = 0UL;
858 :
859 0 : fd_executor_calculate_fee( txn_ctx, txn_ctx->txn_descriptor, txn_ctx->_txn_raw, &execution_fee, &priority_fee );
860 0 : ulong total_fee = fd_ulong_sat_add( execution_fee, priority_fee );
861 :
862 0 : if( !FD_FEATURE_ACTIVE_BANK( txn_ctx->bank, remove_rounding_in_fee_calculation ) ) {
863 0 : total_fee = fd_rust_cast_double_to_ulong( round( (double)total_fee ) );
864 0 : }
865 :
866 : /* https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/transaction_processor.rs#L609-L616 */
867 0 : err = fd_validate_fee_payer( fee_payer_rec, fd_bank_rent_query( txn_ctx->bank ), total_fee, txn_ctx->spad );
868 0 : if( FD_UNLIKELY( err ) ) {
869 0 : return err;
870 0 : }
871 :
872 : /* Create the rollback fee payer account
873 : https://github.com/anza-xyz/agave/blob/v2.2.13/svm/src/transaction_processor.rs#L620-L626 */
874 0 : fd_executor_create_rollback_fee_payer_account( txn_ctx, total_fee );
875 :
876 : /* Set the starting lamports (to avoid unbalanced lamports issues in instruction execution) */
877 0 : fee_payer_rec->starting_lamports = fee_payer_rec->vt->get_lamports( fee_payer_rec ); /* TODO: why do we do this everywhere? */
878 :
879 0 : txn_ctx->execution_fee = execution_fee;
880 0 : txn_ctx->priority_fee = priority_fee;
881 :
882 0 : return FD_RUNTIME_EXECUTE_SUCCESS;
883 0 : }
884 :
885 : int
886 0 : fd_executor_setup_accessed_accounts_for_txn( fd_exec_txn_ctx_t * txn_ctx ) {
887 :
888 0 : txn_ctx->accounts_cnt = 0UL;
889 :
890 0 : fd_pubkey_t * tx_accs = (fd_pubkey_t *)((uchar *)txn_ctx->_txn_raw->raw + txn_ctx->txn_descriptor->acct_addr_off);
891 :
892 : // Set up accounts in the transaction body and perform checks
893 0 : for( ulong i = 0UL; i < txn_ctx->txn_descriptor->acct_addr_cnt; i++ ) {
894 0 : txn_ctx->account_keys[i] = tx_accs[i];
895 0 : }
896 :
897 0 : txn_ctx->accounts_cnt += (uchar)txn_ctx->txn_descriptor->acct_addr_cnt;
898 :
899 0 : if( txn_ctx->txn_descriptor->transaction_version == FD_TXN_V0 ) {
900 : /* https://github.com/anza-xyz/agave/blob/368ea563c423b0a85cc317891187e15c9a321521/runtime/src/bank/address_lookup_table.rs#L44-L48 */
901 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 );
902 0 : if( FD_UNLIKELY( !slot_hashes_global ) ) {
903 0 : return FD_RUNTIME_TXN_ERR_ACCOUNT_NOT_FOUND;
904 0 : }
905 :
906 0 : fd_slot_hash_t * slot_hash = deq_fd_slot_hash_t_join( (uchar *)slot_hashes_global + slot_hashes_global->hashes_offset );
907 :
908 0 : fd_acct_addr_t * accts_alt = (fd_acct_addr_t *) fd_type_pun( &txn_ctx->account_keys[txn_ctx->accounts_cnt] );
909 0 : int err = fd_runtime_load_txn_address_lookup_tables( txn_ctx->txn_descriptor,
910 0 : txn_ctx->_txn_raw->raw,
911 0 : txn_ctx->funk,
912 0 : txn_ctx->funk_txn,
913 0 : txn_ctx->slot,
914 0 : slot_hash,
915 0 : accts_alt );
916 0 : txn_ctx->accounts_cnt += txn_ctx->txn_descriptor->addr_table_adtl_cnt;
917 0 : if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) return err;
918 :
919 0 : }
920 0 : return FD_RUNTIME_EXECUTE_SUCCESS;
921 0 : }
922 :
923 : /* https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/sdk/src/transaction_context.rs#L319-L357 */
924 : static inline int
925 : fd_txn_ctx_push( fd_exec_txn_ctx_t * txn_ctx,
926 0 : fd_instr_info_t * instr ) {
927 : /* Earlier checks in the permalink are redundant since Agave maintains instr stack and trace accounts separately
928 : https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/sdk/src/transaction_context.rs#L327-L328 */
929 0 : ulong starting_lamports_h = 0UL;
930 0 : ulong starting_lamports_l = 0UL;
931 0 : int err = fd_instr_info_sum_account_lamports( instr,
932 0 : txn_ctx,
933 0 : &starting_lamports_h,
934 0 : &starting_lamports_l );
935 0 : if( FD_UNLIKELY( err ) ) {
936 0 : return err;
937 0 : }
938 0 : instr->starting_lamports_h = starting_lamports_h;
939 0 : instr->starting_lamports_l = starting_lamports_l;
940 :
941 : /* Check that the caller's lamport sum has not changed.
942 : https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/sdk/src/transaction_context.rs#L329-L340 */
943 0 : if( txn_ctx->instr_stack_sz>0 ) {
944 : /* https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/sdk/src/transaction_context.rs#L330 */
945 0 : fd_exec_instr_ctx_t const * caller_instruction_context = &txn_ctx->instr_stack[ txn_ctx->instr_stack_sz-1 ];
946 :
947 : /* https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/sdk/src/transaction_context.rs#L331-L332 */
948 0 : ulong original_caller_lamport_sum_h = caller_instruction_context->instr->starting_lamports_h;
949 0 : ulong original_caller_lamport_sum_l = caller_instruction_context->instr->starting_lamports_l;
950 :
951 : /* https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/sdk/src/transaction_context.rs#L333-L334 */
952 0 : ulong current_caller_lamport_sum_h = 0UL;
953 0 : ulong current_caller_lamport_sum_l = 0UL;
954 0 : int err = fd_instr_info_sum_account_lamports( caller_instruction_context->instr,
955 0 : caller_instruction_context->txn_ctx,
956 0 : ¤t_caller_lamport_sum_h,
957 0 : ¤t_caller_lamport_sum_l );
958 0 : if( FD_UNLIKELY( err ) ) {
959 0 : return err;
960 0 : }
961 :
962 : /* https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/sdk/src/transaction_context.rs#L335-L339 */
963 0 : if( FD_UNLIKELY( current_caller_lamport_sum_h!=original_caller_lamport_sum_h ||
964 0 : current_caller_lamport_sum_l!=original_caller_lamport_sum_l ) ) {
965 0 : return FD_EXECUTOR_INSTR_ERR_UNBALANCED_INSTR;
966 0 : }
967 0 : }
968 :
969 : /* https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/sdk/src/transaction_context.rs#L347-L351 */
970 0 : if( FD_UNLIKELY( txn_ctx->instr_trace_length>=FD_MAX_INSTRUCTION_TRACE_LENGTH ) ) {
971 0 : return FD_EXECUTOR_INSTR_ERR_MAX_INSN_TRACE_LENS_EXCEEDED;
972 0 : }
973 0 : txn_ctx->instr_trace_length++;
974 :
975 : /* https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/sdk/src/transaction_context.rs#L352-L356 */
976 0 : if( FD_UNLIKELY( txn_ctx->instr_stack_sz>=FD_MAX_INSTRUCTION_STACK_DEPTH ) ) {
977 0 : return FD_EXECUTOR_INSTR_ERR_CALL_DEPTH;
978 0 : }
979 0 : txn_ctx->instr_stack_sz++;
980 :
981 : /* A beloved refactor moves sysvar instructions updating to the instruction level as of v2.2.12...
982 : https://github.com/anza-xyz/agave/blob/v2.2.12/transaction-context/src/lib.rs#L396-L407 */
983 0 : int idx = fd_exec_txn_ctx_find_index_of_account( txn_ctx, &fd_sysvar_instructions_id );
984 0 : if( FD_UNLIKELY( idx!=-1 ) ) {
985 : /* https://github.com/anza-xyz/agave/blob/v2.2.12/transaction-context/src/lib.rs#L397-L400 */
986 0 : fd_txn_account_t * sysvar_instructions_account = NULL;
987 0 : err = fd_exec_txn_ctx_get_account_at_index( txn_ctx, (ushort)idx, &sysvar_instructions_account, NULL );
988 0 : if( FD_UNLIKELY( err ) ) {
989 0 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
990 0 : }
991 :
992 : /* https://github.com/anza-xyz/agave/blob/v2.2.12/transaction-context/src/lib.rs#L401-L402 */
993 0 : if( FD_UNLIKELY( !sysvar_instructions_account->vt->try_borrow_mut( sysvar_instructions_account ) ) ) {
994 0 : return FD_EXECUTOR_INSTR_ERR_ACC_BORROW_FAILED;
995 0 : }
996 :
997 : /* https://github.com/anza-xyz/agave/blob/v2.2.12/transaction-context/src/lib.rs#L403-L406 */
998 0 : fd_sysvar_instructions_update_current_instr_idx( sysvar_instructions_account, (ushort)txn_ctx->current_instr_idx );
999 0 : sysvar_instructions_account->vt->drop( sysvar_instructions_account );
1000 0 : }
1001 :
1002 0 : return FD_EXECUTOR_INSTR_SUCCESS;
1003 0 : }
1004 :
1005 : /* Pushes a new instruction onto the instruction stack and trace. This check loops through all instructions in the current call stack
1006 : and checks for reentrancy violations. If successful, simply increments the instruction stack and trace size and returns. It is
1007 : the responsibility of the caller to populate the newly pushed instruction fields, which are undefined otherwise.
1008 :
1009 : https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/program-runtime/src/invoke_context.rs#L246-L290 */
1010 : int
1011 : fd_instr_stack_push( fd_exec_txn_ctx_t * txn_ctx,
1012 0 : fd_instr_info_t * instr ) {
1013 : /* Agave keeps a vector of vectors called program_indices that stores the program_id index for each instruction within the transaction.
1014 : https://github.com/anza-xyz/agave/blob/v2.1.7/svm/src/account_loader.rs#L347-L402
1015 : If and only if the program_id is the native loader, then the vector for respective specific instruction (account_indices) is empty.
1016 : https://github.com/anza-xyz/agave/blob/v2.1.7/svm/src/account_loader.rs#L350-L358
1017 : While trying to push a new instruction onto the instruction stack, if the vector for the respective instruction is empty, Agave throws UnsupportedProgramId
1018 : https://github.com/anza-xyz/agave/blob/v2.1.7/program-runtime/src/invoke_context.rs#L253-L255
1019 : 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
1020 : */
1021 :
1022 : /* https://github.com/anza-xyz/agave/blob/v2.2.0/program-runtime/src/invoke_context.rs#L250-L252 */
1023 0 : fd_pubkey_t const * program_id_pubkey = NULL;
1024 0 : int err = fd_exec_txn_ctx_get_key_of_account_at_index( txn_ctx,
1025 0 : instr->program_id,
1026 0 : &program_id_pubkey );
1027 0 : if( FD_UNLIKELY( err ||
1028 0 : !memcmp( program_id_pubkey->key, fd_solana_native_loader_id.key, sizeof(fd_pubkey_t) ) ) ) {
1029 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
1030 0 : }
1031 :
1032 : /* https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/program-runtime/src/invoke_context.rs#L256-L286 */
1033 0 : if( txn_ctx->instr_stack_sz ) {
1034 : /* https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/program-runtime/src/invoke_context.rs#L261-L285 */
1035 0 : uchar contains = 0;
1036 0 : uchar is_last = 0;
1037 :
1038 : // Checks all previous instructions in the stack for reentrancy
1039 0 : for( uchar level=0; level<txn_ctx->instr_stack_sz; level++ ) {
1040 0 : fd_exec_instr_ctx_t * instr_ctx = &txn_ctx->instr_stack[level];
1041 : // Optimization: compare program id index instead of pubkey since account keys are unique
1042 0 : if( instr->program_id == instr_ctx->instr->program_id ) {
1043 : // Reentrancy not allowed unless caller is calling itself
1044 0 : if( level == txn_ctx->instr_stack_sz-1 ) {
1045 0 : is_last = 1;
1046 0 : }
1047 0 : contains = 1;
1048 0 : }
1049 0 : }
1050 : /* https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/program-runtime/src/invoke_context.rs#L282-L285 */
1051 0 : if( FD_UNLIKELY( contains && !is_last ) ) {
1052 0 : return FD_EXECUTOR_INSTR_ERR_REENTRANCY_NOT_ALLOWED;
1053 0 : }
1054 0 : }
1055 : /* "Push" a new instruction onto the stack by simply incrementing the stack and trace size counters
1056 : https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/program-runtime/src/invoke_context.rs#L289 */
1057 0 : return fd_txn_ctx_push( txn_ctx, instr );
1058 0 : }
1059 :
1060 : /* Pops an instruction from the instruction stack. Agave's implementation performs instruction balancing checks every time pop is called,
1061 : but error codes returned from `pop` are only used if the program's execution was successful. Therefore, we can optimize our code by only
1062 : checking for unbalanced instructions if the program execution was successful within fd_execute_instr.
1063 :
1064 : https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/program-runtime/src/invoke_context.rs#L293-L298 */
1065 : int
1066 : fd_instr_stack_pop( fd_exec_txn_ctx_t * txn_ctx,
1067 0 : fd_instr_info_t const * instr ) {
1068 : /* https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/sdk/src/transaction_context.rs#L362-L364 */
1069 0 : if( FD_UNLIKELY( txn_ctx->instr_stack_sz==0 ) ) {
1070 0 : return FD_EXECUTOR_INSTR_ERR_CALL_DEPTH;
1071 0 : }
1072 0 : txn_ctx->instr_stack_sz--;
1073 :
1074 : /* Verify all executable accounts have no outstanding refs
1075 : https://github.com/anza-xyz/agave/blob/v2.1.14/sdk/src/transaction_context.rs#L367-L371 */
1076 0 : for( ushort i=0; i<instr->acct_cnt; i++ ) {
1077 0 : ushort idx_in_txn = instr->accounts[i].index_in_transaction;
1078 0 : fd_txn_account_t * account = &txn_ctx->accounts[ idx_in_txn ];
1079 0 : if( FD_UNLIKELY( account->vt->is_executable( account ) &&
1080 0 : account->vt->is_borrowed( account ) ) ) {
1081 0 : return FD_EXECUTOR_INSTR_ERR_ACC_BORROW_OUTSTANDING;
1082 0 : }
1083 0 : }
1084 :
1085 : /* Verify lamports are balanced before and after instruction
1086 : https://github.com/anza-xyz/agave/blob/c4b42ab045860d7b13b3912eafb30e6d2f4e593f/sdk/src/transaction_context.rs#L366-L380 */
1087 0 : ulong ending_lamports_h = 0UL;
1088 0 : ulong ending_lamports_l = 0UL;
1089 0 : int err = fd_instr_info_sum_account_lamports( instr,
1090 0 : txn_ctx,
1091 0 : &ending_lamports_h,
1092 0 : &ending_lamports_l );
1093 0 : if( FD_UNLIKELY( err ) ) {
1094 0 : return err;
1095 0 : }
1096 0 : if( FD_UNLIKELY( ending_lamports_l != instr->starting_lamports_l || ending_lamports_h != instr->starting_lamports_h ) ) {
1097 0 : return FD_EXECUTOR_INSTR_ERR_UNBALANCED_INSTR;
1098 0 : }
1099 :
1100 0 : return FD_EXECUTOR_INSTR_SUCCESS;;
1101 0 : }
1102 :
1103 : /* This function mimics Agave's `.and(self.pop())` functionality,
1104 : where we always pop the instruction stack no matter what the error code is.
1105 : https://github.com/anza-xyz/agave/blob/v2.2.12/program-runtime/src/invoke_context.rs#L480 */
1106 : static inline int
1107 : fd_execute_instr_end( fd_exec_instr_ctx_t * instr_ctx,
1108 : fd_instr_info_t * instr,
1109 0 : int instr_exec_result ) {
1110 0 : int stack_pop_err = fd_instr_stack_pop( instr_ctx->txn_ctx, instr );
1111 :
1112 : /* Only report the stack pop error on success */
1113 0 : if( FD_UNLIKELY( instr_exec_result==FD_EXECUTOR_INSTR_SUCCESS && stack_pop_err ) ) {
1114 0 : FD_TXN_PREPARE_ERR_OVERWRITE( instr_ctx->txn_ctx );
1115 0 : FD_TXN_ERR_FOR_LOG_INSTR( instr_ctx->txn_ctx, stack_pop_err, instr_ctx->txn_ctx->instr_err_idx );
1116 0 : instr_exec_result = stack_pop_err;
1117 0 : }
1118 :
1119 0 : if( FD_UNLIKELY( instr_exec_result && !instr_ctx->txn_ctx->failed_instr ) ) {
1120 0 : instr_ctx->txn_ctx->failed_instr = instr_ctx;
1121 0 : }
1122 :
1123 0 : return instr_exec_result;
1124 0 : }
1125 :
1126 : int
1127 : fd_execute_instr( fd_exec_txn_ctx_t * txn_ctx,
1128 0 : fd_instr_info_t * instr ) {
1129 0 : FD_RUNTIME_TXN_SPAD_FRAME_BEGIN( txn_ctx->spad, txn_ctx ) {
1130 0 : fd_exec_instr_ctx_t * parent = NULL;
1131 0 : if( txn_ctx->instr_stack_sz ) {
1132 0 : parent = &txn_ctx->instr_stack[ txn_ctx->instr_stack_sz - 1 ];
1133 0 : }
1134 :
1135 0 : int instr_exec_result = fd_instr_stack_push( txn_ctx, instr );
1136 0 : if( FD_UNLIKELY( instr_exec_result ) ) {
1137 0 : FD_TXN_PREPARE_ERR_OVERWRITE( txn_ctx );
1138 0 : FD_TXN_ERR_FOR_LOG_INSTR( txn_ctx, instr_exec_result, txn_ctx->instr_err_idx );
1139 0 : return instr_exec_result;
1140 0 : }
1141 :
1142 : /* `process_executable_chain()`
1143 : https://github.com/anza-xyz/agave/blob/v2.2.12/program-runtime/src/invoke_context.rs#L512-L619 */
1144 0 : fd_exec_instr_ctx_t * ctx = &txn_ctx->instr_stack[ txn_ctx->instr_stack_sz - 1 ];
1145 0 : *ctx = (fd_exec_instr_ctx_t) {
1146 0 : .instr = instr,
1147 0 : .txn_ctx = txn_ctx,
1148 0 : .depth = parent ? (parent->depth+1) : 0,
1149 0 : };
1150 0 : fd_base58_encode_32( txn_ctx->accounts[ instr->program_id ].pubkey->uc, NULL, ctx->program_id_base58 );
1151 :
1152 0 : txn_ctx->instr_trace[ txn_ctx->instr_trace_length - 1 ] = (fd_exec_instr_trace_entry_t) {
1153 0 : .instr_info = instr,
1154 0 : .stack_height = txn_ctx->instr_stack_sz,
1155 0 : };
1156 :
1157 : /* Look up the native program. We check for precompiles within the lookup function as well.
1158 : https://github.com/anza-xyz/agave/blob/v2.1.6/svm/src/message_processor.rs#L88 */
1159 0 : fd_exec_instr_fn_t native_prog_fn;
1160 0 : uchar is_precompile;
1161 0 : int err = fd_executor_lookup_native_program( &txn_ctx->accounts[ instr->program_id ],
1162 0 : txn_ctx,
1163 0 : &native_prog_fn,
1164 0 : &is_precompile );
1165 :
1166 0 : if( FD_UNLIKELY( err ) ) {
1167 0 : FD_TXN_PREPARE_ERR_OVERWRITE( txn_ctx );
1168 0 : FD_TXN_ERR_FOR_LOG_INSTR( txn_ctx, err, txn_ctx->instr_err_idx );
1169 0 : return err;
1170 0 : }
1171 :
1172 0 : if( FD_LIKELY( native_prog_fn!=NULL ) ) {
1173 : /* If this branch is taken, we've found an entrypoint to execute. */
1174 0 : fd_log_collector_program_invoke( ctx );
1175 :
1176 : /* Only reset the return data when executing a native builtin program (not a precompile)
1177 : https://github.com/anza-xyz/agave/blob/v2.1.6/program-runtime/src/invoke_context.rs#L536-L537 */
1178 0 : if( FD_LIKELY( !is_precompile ) ) {
1179 0 : fd_exec_txn_ctx_reset_return_data( txn_ctx );
1180 0 : }
1181 :
1182 : /* Unconditionally execute the native program if precompile verification has been moved to svm,
1183 : or if the native program is not a precompile */
1184 0 : if( FD_LIKELY( FD_FEATURE_ACTIVE_BANK( txn_ctx->bank, move_precompile_verification_to_svm ) ||
1185 0 : !is_precompile ) ) {
1186 0 : instr_exec_result = native_prog_fn( ctx );
1187 0 : } else {
1188 : /* The precompile was already executed at the transaction level, return success */
1189 0 : instr_exec_result = FD_EXECUTOR_INSTR_SUCCESS;
1190 0 : }
1191 0 : } else {
1192 : /* Unknown program. In this case specifically, we should not log the program id. */
1193 0 : instr_exec_result = FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
1194 0 : FD_TXN_PREPARE_ERR_OVERWRITE( txn_ctx );
1195 0 : FD_TXN_ERR_FOR_LOG_INSTR( txn_ctx, instr_exec_result, txn_ctx->instr_err_idx );
1196 0 : return fd_execute_instr_end( ctx, instr, instr_exec_result );
1197 0 : }
1198 :
1199 0 : if( FD_LIKELY( instr_exec_result==FD_EXECUTOR_INSTR_SUCCESS ) ) {
1200 : /* Log success */
1201 0 : fd_log_collector_program_success( ctx );
1202 0 : } else {
1203 0 : FD_TXN_PREPARE_ERR_OVERWRITE( txn_ctx );
1204 0 : FD_TXN_ERR_FOR_LOG_INSTR( txn_ctx, instr_exec_result, txn_ctx->instr_err_idx );
1205 :
1206 : /* Log failure cases.
1207 : We assume that the correct type of error is stored in ctx.
1208 : Syscalls are expected to log when the error is generated, while
1209 : native programs will be logged here.
1210 : (This is because syscall errors often carry data with them.) */
1211 0 : fd_log_collector_program_failure( ctx );
1212 0 : }
1213 :
1214 0 : return fd_execute_instr_end( ctx, instr, instr_exec_result );
1215 0 : } FD_RUNTIME_TXN_SPAD_FRAME_END;
1216 0 : }
1217 :
1218 : void
1219 0 : fd_txn_reclaim_accounts( fd_exec_txn_ctx_t * txn_ctx ) {
1220 0 : for( ushort i=0; i<txn_ctx->accounts_cnt; i++ ) {
1221 0 : fd_txn_account_t * acc_rec = &txn_ctx->accounts[i];
1222 :
1223 : /* An account writable iff it is writable AND it is not being
1224 : demoted. If this criteria is not met, the account should not be
1225 : marked as touched via updating its most recent slot. */
1226 0 : if( !fd_exec_txn_ctx_account_is_writable_idx( txn_ctx, i ) ) {
1227 0 : continue;
1228 0 : }
1229 :
1230 0 : acc_rec->vt->set_slot( acc_rec, txn_ctx->slot );
1231 :
1232 0 : if( !acc_rec->vt->get_lamports( acc_rec ) ) {
1233 0 : acc_rec->vt->set_data_len( acc_rec, 0UL );
1234 0 : acc_rec->vt->clear_owner( acc_rec );
1235 0 : }
1236 0 : }
1237 0 : }
1238 :
1239 : int
1240 : fd_executor_is_blockhash_valid_for_age( fd_block_hash_queue_global_t const * block_hash_queue,
1241 : fd_hash_t const * blockhash,
1242 0 : ulong max_age ) {
1243 0 : fd_hash_hash_age_pair_t_mapnode_t key;
1244 0 : fd_memcpy( key.elem.key.uc, blockhash, sizeof(fd_hash_t) );
1245 :
1246 0 : fd_hash_hash_age_pair_t_mapnode_t * ages_pool = fd_block_hash_queue_ages_pool_join( block_hash_queue );
1247 0 : fd_hash_hash_age_pair_t_mapnode_t * ages_root = fd_block_hash_queue_ages_root_join( block_hash_queue );
1248 :
1249 0 : fd_hash_hash_age_pair_t_mapnode_t * hash_age = fd_hash_hash_age_pair_t_map_find( ages_pool, ages_root, &key );
1250 0 : if( hash_age==NULL ) {
1251 0 : return 0;
1252 0 : }
1253 :
1254 0 : ulong age = block_hash_queue->last_hash_index-hash_age->elem.val.hash_index;
1255 0 : return age<=max_age;
1256 0 : }
1257 :
1258 : void
1259 : fd_exec_txn_ctx_from_exec_slot_ctx( fd_exec_slot_ctx_t const * slot_ctx,
1260 : fd_exec_txn_ctx_t * ctx,
1261 : fd_wksp_t const * funk_wksp,
1262 : fd_wksp_t const * runtime_pub_wksp,
1263 : ulong funk_txn_gaddr,
1264 : ulong funk_gaddr,
1265 0 : fd_bank_hash_cmp_t * bank_hash_cmp ) {
1266 :
1267 0 : ctx->runtime_pub_wksp = (fd_wksp_t *)runtime_pub_wksp;
1268 :
1269 0 : ctx->funk_txn = fd_wksp_laddr( funk_wksp, funk_txn_gaddr );
1270 0 : if( FD_UNLIKELY( !ctx->funk_txn ) ) {
1271 0 : FD_LOG_ERR(( "Could not find valid funk transaction" ));
1272 0 : }
1273 :
1274 0 : if( FD_UNLIKELY( !fd_funk_join( ctx->funk, fd_wksp_laddr( funk_wksp, funk_gaddr ) ) ) ) {
1275 0 : FD_LOG_ERR(( "Could not find valid funk %lu", funk_gaddr ));
1276 0 : }
1277 :
1278 0 : ctx->status_cache = slot_ctx->status_cache;
1279 :
1280 0 : ctx->bank_hash_cmp = bank_hash_cmp;
1281 :
1282 0 : ctx->enable_exec_recording = fd_bank_enable_exec_recording_get( slot_ctx->bank );
1283 :
1284 0 : ctx->bank = slot_ctx->bank;
1285 :
1286 0 : ctx->slot = slot_ctx->bank->slot;
1287 :
1288 0 : ctx->features = fd_bank_features_get( ctx->bank );
1289 0 : }
1290 :
1291 : fd_txn_account_t *
1292 : fd_executor_setup_txn_account( fd_exec_txn_ctx_t * txn_ctx,
1293 0 : ushort idx ) {
1294 0 : fd_pubkey_t * acc = &txn_ctx->account_keys[ idx ];
1295 0 : int err = fd_txn_account_init_from_funk_readonly( &txn_ctx->accounts[ idx ],
1296 0 : acc,
1297 0 : txn_ctx->funk,
1298 0 : txn_ctx->funk_txn );
1299 0 : fd_txn_account_t * txn_account = &txn_ctx->accounts[ idx ];
1300 :
1301 0 : if( FD_UNLIKELY( err!=FD_ACC_MGR_SUCCESS && err!=FD_ACC_MGR_ERR_UNKNOWN_ACCOUNT ) ) {
1302 0 : FD_LOG_ERR(( "fd_txn_account_init_from_funk_readonly err=%d", err ));
1303 0 : }
1304 :
1305 0 : uchar is_unknown_account = err==FD_ACC_MGR_ERR_UNKNOWN_ACCOUNT;
1306 0 : memcpy( txn_account->pubkey->key, acc, sizeof(fd_pubkey_t) );
1307 :
1308 0 : if( fd_exec_txn_ctx_account_is_writable_idx( txn_ctx, idx ) || idx==FD_FEE_PAYER_TXN_IDX ) {
1309 0 : void * txn_account_data = fd_spad_alloc( txn_ctx->spad, FD_ACCOUNT_REC_ALIGN, FD_ACC_TOT_SZ_MAX );
1310 :
1311 : /* promote the account to mutable, which requires a memcpy*/
1312 0 : fd_txn_account_make_mutable( txn_account, txn_account_data, txn_ctx->spad_wksp );
1313 :
1314 : /* All new accounts should have their rent epoch set to ULONG_MAX.
1315 : https://github.com/anza-xyz/agave/blob/89050f3cb7e76d9e273f10bea5e8207f2452f79f/svm/src/account_loader.rs#L485-L497 */
1316 0 : if( FD_UNLIKELY( is_unknown_account ) ) {
1317 0 : txn_account->vt->set_rent_epoch( txn_account, ULONG_MAX );
1318 0 : }
1319 0 : }
1320 :
1321 0 : fd_account_meta_t const * meta = txn_account->vt->get_meta( txn_account );
1322 :
1323 0 : if( meta==NULL ) {
1324 0 : fd_txn_account_setup_sentinel_meta_readonly( txn_account, txn_ctx->spad, txn_ctx->spad_wksp );
1325 0 : return NULL;
1326 0 : }
1327 :
1328 0 : return txn_account;
1329 0 : }
1330 :
1331 : void
1332 : fd_executor_setup_executable_account( fd_exec_txn_ctx_t * txn_ctx,
1333 : ushort acc_idx,
1334 0 : ushort * executable_idx ) {
1335 0 : int err = 0;
1336 0 : fd_bpf_upgradeable_loader_state_t * program_loader_state = read_bpf_upgradeable_loader_state_for_program( txn_ctx, acc_idx, &err );
1337 0 : if( FD_UNLIKELY( !program_loader_state ) ) {
1338 0 : return;
1339 0 : }
1340 :
1341 0 : if( !fd_bpf_upgradeable_loader_state_is_program( program_loader_state ) ) {
1342 0 : return;
1343 0 : }
1344 :
1345 : /* Attempt to load the program data account from funk. This prevents any unknown program
1346 : data accounts from getting loaded into the executable accounts list. If such a program is
1347 : invoked, the call will fail at the instruction execution level since the programdata
1348 : account will not exist within the executable accounts list. */
1349 0 : fd_pubkey_t * programdata_acc = &program_loader_state->inner.program.programdata_address;
1350 0 : if( FD_LIKELY( fd_txn_account_init_from_funk_readonly( &txn_ctx->executable_accounts[ *executable_idx ],
1351 0 : programdata_acc,
1352 0 : txn_ctx->funk,
1353 0 : txn_ctx->funk_txn )==0 ) ) {
1354 0 : (*executable_idx)++;
1355 0 : }
1356 0 : }
1357 :
1358 : void
1359 0 : fd_executor_setup_accounts_for_txn( fd_exec_txn_ctx_t * txn_ctx ) {
1360 0 : ushort j = 0UL;
1361 0 : fd_memset( txn_ctx->accounts, 0, sizeof(fd_txn_account_t) * txn_ctx->accounts_cnt );
1362 :
1363 0 : for( ushort i=0; i<txn_ctx->accounts_cnt; i++ ) {
1364 :
1365 0 : fd_txn_account_t * txn_account = fd_executor_setup_txn_account( txn_ctx, i );
1366 :
1367 0 : if( FD_UNLIKELY( txn_account &&
1368 0 : memcmp( txn_account->vt->get_owner( txn_account ), fd_solana_bpf_loader_upgradeable_program_id.key, sizeof(fd_pubkey_t) ) == 0 ) ) {
1369 0 : fd_executor_setup_executable_account( txn_ctx, i, &j );
1370 0 : }
1371 0 : }
1372 :
1373 : /* Dumping ELF files to protobuf, if applicable */
1374 0 : int dump_elf_to_pb = txn_ctx->capture_ctx &&
1375 0 : txn_ctx->slot >= txn_ctx->capture_ctx->dump_proto_start_slot &&
1376 0 : txn_ctx->capture_ctx->dump_elf_to_pb;
1377 0 : if( FD_UNLIKELY( dump_elf_to_pb ) ) {
1378 0 : for( ushort i=0; i<txn_ctx->accounts_cnt; i++ ) {
1379 0 : fd_dump_elf_to_protobuf( txn_ctx, &txn_ctx->accounts[i] );
1380 0 : }
1381 0 : }
1382 :
1383 0 : txn_ctx->nonce_account_idx_in_txn = ULONG_MAX;
1384 0 : txn_ctx->executable_cnt = j;
1385 :
1386 : /* Set up instr infos from the txn descriptor. No Agave equivalent to this function. */
1387 0 : fd_executor_setup_instr_infos_from_txn_instrs( txn_ctx );
1388 0 : }
1389 :
1390 : /* Stuff to be done before multithreading can begin */
1391 : int
1392 : fd_execute_txn_prepare_start( fd_exec_slot_ctx_t const * slot_ctx,
1393 : fd_exec_txn_ctx_t * txn_ctx,
1394 : fd_txn_t const * txn_descriptor,
1395 0 : fd_rawtxn_b_t const * txn_raw ) {
1396 :
1397 0 : fd_funk_t * funk = slot_ctx->funk;
1398 0 : fd_wksp_t * funk_wksp = fd_funk_wksp( funk );
1399 : /* FIXME: just pass in the runtime workspace, instead of getting it from fd_wksp_containing */
1400 0 : fd_wksp_t * runtime_pub_wksp = fd_wksp_containing( slot_ctx );
1401 0 : ulong funk_txn_gaddr = fd_wksp_gaddr( funk_wksp, slot_ctx->funk_txn );
1402 0 : ulong funk_gaddr = fd_wksp_gaddr( funk_wksp, slot_ctx->funk->shmem );
1403 :
1404 : /* Init txn ctx */
1405 0 : fd_exec_txn_ctx_new( txn_ctx );
1406 0 : fd_exec_txn_ctx_from_exec_slot_ctx( slot_ctx,
1407 0 : txn_ctx,
1408 0 : funk_wksp,
1409 0 : runtime_pub_wksp,
1410 0 : funk_txn_gaddr,
1411 0 : funk_gaddr,
1412 0 : NULL );
1413 0 : fd_exec_txn_ctx_setup( txn_ctx, txn_descriptor, txn_raw );
1414 :
1415 : /* Unroll accounts from aluts and place into correct spots */
1416 0 : int res = fd_executor_setup_accessed_accounts_for_txn( txn_ctx );
1417 :
1418 0 : return res;
1419 0 : }
1420 :
1421 : int
1422 0 : fd_executor_txn_verify( fd_exec_txn_ctx_t * txn_ctx ) {
1423 0 : fd_sha512_t * shas[ FD_TXN_ACTUAL_SIG_MAX ];
1424 0 : for ( ulong i=0UL; i<FD_TXN_ACTUAL_SIG_MAX; i++ ) {
1425 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) ) ) );
1426 0 : if( FD_UNLIKELY( !sha ) ) FD_LOG_ERR(( "fd_sha512_join failed" ));
1427 0 : shas[i] = sha;
1428 0 : }
1429 :
1430 0 : uchar signature_cnt = txn_ctx->txn_descriptor->signature_cnt;
1431 0 : ushort signature_off = txn_ctx->txn_descriptor->signature_off;
1432 0 : ushort acct_addr_off = txn_ctx->txn_descriptor->acct_addr_off;
1433 0 : ushort message_off = txn_ctx->txn_descriptor->message_off;
1434 :
1435 0 : uchar const * signatures = (uchar *)txn_ctx->_txn_raw->raw + signature_off;
1436 0 : uchar const * pubkeys = (uchar *)txn_ctx->_txn_raw->raw + acct_addr_off;
1437 0 : uchar const * msg = (uchar *)txn_ctx->_txn_raw->raw + message_off;
1438 0 : ulong msg_sz = (ulong)txn_ctx->_txn_raw->txn_sz - message_off;
1439 :
1440 : /* Verify signatures */
1441 0 : int res = fd_ed25519_verify_batch_single_msg( msg, msg_sz, signatures, pubkeys, shas, signature_cnt );
1442 0 : if( FD_UNLIKELY( res != FD_ED25519_SUCCESS ) ) {
1443 0 : return -1;
1444 0 : }
1445 :
1446 0 : return 0;
1447 0 : }
1448 :
1449 : int
1450 0 : fd_execute_txn( fd_execute_txn_task_info_t * task_info ) {
1451 : /* Don't execute transactions that are fee only.
1452 : https://github.com/anza-xyz/agave/blob/v2.1.6/svm/src/transaction_processor.rs#L341-L357 */
1453 0 : if( FD_UNLIKELY( task_info->txn->flags & FD_TXN_P_FLAGS_FEES_ONLY ) ) {
1454 : /* return the existing error */
1455 0 : return task_info->exec_res;
1456 0 : }
1457 :
1458 0 : fd_exec_txn_ctx_t * txn_ctx = task_info->txn_ctx;
1459 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;
1460 :
1461 : /* Initialize log collection */
1462 0 : fd_log_collector_init( &txn_ctx->log_collector, txn_ctx->enable_exec_recording );
1463 :
1464 0 : for( ushort i = 0; i < txn_ctx->txn_descriptor->instr_cnt; i++ ) {
1465 0 : txn_ctx->current_instr_idx = i;
1466 0 : if( FD_UNLIKELY( dump_insn ) ) {
1467 : // Capture the input and convert it into a Protobuf message
1468 0 : fd_dump_instr_to_protobuf( txn_ctx, &txn_ctx->instr_infos[i], i );
1469 0 : }
1470 :
1471 0 : int instr_exec_result = fd_execute_instr( txn_ctx, &txn_ctx->instr_infos[i] );
1472 0 : if( FD_UNLIKELY( instr_exec_result!=FD_EXECUTOR_INSTR_SUCCESS ) ) {
1473 0 : if ( txn_ctx->instr_err_idx==INT_MAX ) {
1474 0 : txn_ctx->instr_err_idx = i;
1475 0 : }
1476 0 : return FD_RUNTIME_TXN_ERR_INSTRUCTION_ERROR;
1477 0 : }
1478 0 : }
1479 :
1480 : /* TODO: This function needs to be split out of fd_execute_txn and be placed
1481 : into the replay tile once it is implemented. */
1482 0 : int err = fd_executor_txn_check( txn_ctx );
1483 0 : if( FD_UNLIKELY( err!=FD_EXECUTOR_INSTR_SUCCESS ) ) {
1484 0 : FD_LOG_WARNING(( "fd_executor_txn_check failed (%d)", err ));
1485 0 : return err;
1486 0 : }
1487 0 : return 0;
1488 0 : }
1489 :
1490 : int
1491 0 : fd_executor_txn_check( fd_exec_txn_ctx_t * txn_ctx ) {
1492 0 : fd_rent_t const * rent = fd_bank_rent_query( txn_ctx->bank );
1493 :
1494 0 : ulong starting_lamports_l = 0;
1495 0 : ulong starting_lamports_h = 0;
1496 :
1497 0 : ulong ending_lamports_l = 0;
1498 0 : ulong ending_lamports_h = 0;
1499 :
1500 : /* https://github.com/anza-xyz/agave/blob/b2c388d6cbff9b765d574bbb83a4378a1fc8af32/svm/src/account_rent_state.rs#L63 */
1501 0 : for( ulong idx = 0; idx < txn_ctx->accounts_cnt; idx++ ) {
1502 0 : fd_txn_account_t * b = &txn_ctx->accounts[idx];
1503 :
1504 : // Was this account written to?
1505 : /* TODO: Clean this logic up... lots of redundant checks with our newer account loading model.
1506 : We should be using the rent transition checking logic instead, along with a small refactor
1507 : to keep check ordering consistent. */
1508 0 : if( b->vt->get_meta( b )!=NULL ) {
1509 0 : fd_uwide_inc( &ending_lamports_h, &ending_lamports_l, ending_lamports_h, ending_lamports_l, b->vt->get_lamports( b ) );
1510 :
1511 : /* Rent states are defined as followed:
1512 : - lamports == 0 -> Uninitialized
1513 : - 0 < lamports < rent_exempt_minimum -> RentPaying
1514 : - lamports >= rent_exempt_minimum -> RentExempt
1515 : In Agave, 'self' refers to our 'after' state. */
1516 0 : uchar after_uninitialized = b->vt->get_lamports( b ) == 0;
1517 0 : uchar after_rent_exempt = b->vt->get_lamports( b ) >= fd_rent_exempt_minimum_balance( rent, b->vt->get_data_len( b ) );
1518 :
1519 : /* https://github.com/anza-xyz/agave/blob/b2c388d6cbff9b765d574bbb83a4378a1fc8af32/svm/src/account_rent_state.rs#L96 */
1520 0 : if( FD_LIKELY( memcmp( b->pubkey->key, fd_sysvar_incinerator_id.key, sizeof(fd_pubkey_t) ) != 0 ) ) {
1521 : /* https://github.com/anza-xyz/agave/blob/b2c388d6cbff9b765d574bbb83a4378a1fc8af32/svm/src/account_rent_state.rs#L44 */
1522 0 : if( after_uninitialized || after_rent_exempt ) {
1523 : // no-op
1524 0 : } else {
1525 : /* https://github.com/anza-xyz/agave/blob/b2c388d6cbff9b765d574bbb83a4378a1fc8af32/svm/src/account_rent_state.rs#L45-L59 */
1526 0 : uchar before_uninitialized = b->starting_dlen == ULONG_MAX || b->starting_lamports == 0;
1527 0 : uchar before_rent_exempt = b->starting_dlen != ULONG_MAX && b->starting_lamports >= fd_rent_exempt_minimum_balance( rent, b->starting_dlen );
1528 :
1529 : /* https://github.com/anza-xyz/agave/blob/b2c388d6cbff9b765d574bbb83a4378a1fc8af32/svm/src/account_rent_state.rs#L50 */
1530 0 : if( before_uninitialized || before_rent_exempt ) {
1531 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",
1532 0 : FD_BASE58_ENC_32_ALLOCA( b->pubkey->uc ),
1533 0 : b->vt->get_data_len( b ),
1534 0 : b->starting_dlen,
1535 0 : b->vt->get_lamports( b ),
1536 0 : b->starting_lamports,
1537 0 : fd_rent_exempt_minimum_balance( rent, b->vt->get_data_len( b ) ),
1538 0 : fd_rent_exempt_minimum_balance( rent, b->starting_dlen ) ));
1539 : /* https://github.com/anza-xyz/agave/blob/b2c388d6cbff9b765d574bbb83a4378a1fc8af32/svm/src/account_rent_state.rs#L104 */
1540 0 : return FD_RUNTIME_TXN_ERR_INSUFFICIENT_FUNDS_FOR_RENT;
1541 : /* https://github.com/anza-xyz/agave/blob/b2c388d6cbff9b765d574bbb83a4378a1fc8af32/svm/src/account_rent_state.rs#L56 */
1542 0 : } else if( (b->vt->get_data_len( b ) == b->starting_dlen) && b->vt->get_lamports( b ) <= b->starting_lamports ) {
1543 : // no-op
1544 0 : } else {
1545 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",
1546 0 : FD_BASE58_ENC_32_ALLOCA( b->pubkey->uc ),
1547 0 : b->vt->get_data_len( b ),
1548 0 : b->starting_dlen,
1549 0 : b->vt->get_lamports( b ),
1550 0 : b->starting_lamports,
1551 0 : fd_rent_exempt_minimum_balance( rent, b->vt->get_data_len( b ) ),
1552 0 : fd_rent_exempt_minimum_balance( rent, b->starting_dlen ) ));
1553 : /* https://github.com/anza-xyz/agave/blob/b2c388d6cbff9b765d574bbb83a4378a1fc8af32/svm/src/account_rent_state.rs#L104 */
1554 0 : return FD_RUNTIME_TXN_ERR_INSUFFICIENT_FUNDS_FOR_RENT;
1555 0 : }
1556 0 : }
1557 0 : }
1558 :
1559 0 : if( b->starting_lamports != ULONG_MAX ) {
1560 0 : fd_uwide_inc( &starting_lamports_h, &starting_lamports_l, starting_lamports_h, starting_lamports_l, b->starting_lamports );
1561 0 : }
1562 0 : }
1563 0 : }
1564 :
1565 : /* https://github.com/anza-xyz/agave/blob/b2c388d6cbff9b765d574bbb83a4378a1fc8af32/svm/src/transaction_processor.rs#L839-L845 */
1566 0 : if( FD_UNLIKELY( ending_lamports_l!=starting_lamports_l || ending_lamports_h!=starting_lamports_h ) ) {
1567 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 ));
1568 0 : return FD_RUNTIME_TXN_ERR_UNBALANCED_TRANSACTION;
1569 0 : }
1570 :
1571 0 : return FD_RUNTIME_EXECUTE_SUCCESS;
1572 0 : }
1573 :
1574 : /* fd_executor_instr_strerror() returns the error message corresponding to err,
1575 : intended to be logged by log_collector, or an empty string if the error code
1576 : should be omitted in logs for whatever reason. Omitted examples are success,
1577 : fatal (placeholder just in firedancer), custom error.
1578 : See also fd_log_collector_program_failure(). */
1579 : FD_FN_CONST char const *
1580 0 : fd_executor_instr_strerror( int err ) {
1581 :
1582 0 : switch( err ) {
1583 0 : case FD_EXECUTOR_INSTR_SUCCESS : return ""; // not used
1584 0 : case FD_EXECUTOR_INSTR_ERR_FATAL : return ""; // not used
1585 0 : case FD_EXECUTOR_INSTR_ERR_GENERIC_ERR : return "generic instruction error";
1586 0 : case FD_EXECUTOR_INSTR_ERR_INVALID_ARG : return "invalid program argument";
1587 0 : case FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA : return "invalid instruction data";
1588 0 : case FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA : return "invalid account data for instruction";
1589 0 : case FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL : return "account data too small for instruction";
1590 0 : case FD_EXECUTOR_INSTR_ERR_INSUFFICIENT_FUNDS : return "insufficient funds for instruction";
1591 0 : case FD_EXECUTOR_INSTR_ERR_INCORRECT_PROGRAM_ID : return "incorrect program id for instruction";
1592 0 : case FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE : return "missing required signature for instruction";
1593 0 : case FD_EXECUTOR_INSTR_ERR_ACC_ALREADY_INITIALIZED : return "instruction requires an uninitialized account";
1594 0 : case FD_EXECUTOR_INSTR_ERR_UNINITIALIZED_ACCOUNT : return "instruction requires an initialized account";
1595 0 : case FD_EXECUTOR_INSTR_ERR_UNBALANCED_INSTR : return "sum of account balances before and after instruction do not match";
1596 0 : case FD_EXECUTOR_INSTR_ERR_MODIFIED_PROGRAM_ID : return "instruction illegally modified the program id of an account";
1597 0 : case FD_EXECUTOR_INSTR_ERR_EXTERNAL_ACCOUNT_LAMPORT_SPEND : return "instruction spent from the balance of an account it does not own";
1598 0 : case FD_EXECUTOR_INSTR_ERR_EXTERNAL_DATA_MODIFIED : return "instruction modified data of an account it does not own";
1599 0 : case FD_EXECUTOR_INSTR_ERR_READONLY_LAMPORT_CHANGE : return "instruction changed the balance of a read-only account";
1600 0 : case FD_EXECUTOR_INSTR_ERR_READONLY_DATA_MODIFIED : return "instruction modified data of a read-only account";
1601 0 : case FD_EXECUTOR_INSTR_ERR_DUPLICATE_ACCOUNT_IDX : return "instruction contains duplicate accounts";
1602 0 : case FD_EXECUTOR_INSTR_ERR_EXECUTABLE_MODIFIED : return "instruction changed executable bit of an account";
1603 0 : case FD_EXECUTOR_INSTR_ERR_RENT_EPOCH_MODIFIED : return "instruction modified rent epoch of an account";
1604 0 : case FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS : return "insufficient account keys for instruction";
1605 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";
1606 0 : case FD_EXECUTOR_INSTR_ERR_ACC_NOT_EXECUTABLE : return "instruction expected an executable account";
1607 0 : case FD_EXECUTOR_INSTR_ERR_ACC_BORROW_FAILED : return "instruction tries to borrow reference for an account which is already borrowed";
1608 0 : case FD_EXECUTOR_INSTR_ERR_ACC_BORROW_OUTSTANDING : return "instruction left account with an outstanding borrowed reference";
1609 0 : case FD_EXECUTOR_INSTR_ERR_DUPLICATE_ACCOUNT_OUT_OF_SYNC : return "instruction modifications of multiply-passed account differ";
1610 0 : case FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR : return ""; // custom handling via txn_ctx->custom_err
1611 0 : case FD_EXECUTOR_INSTR_ERR_INVALID_ERR : return "program returned invalid error code";
1612 0 : case FD_EXECUTOR_INSTR_ERR_EXECUTABLE_DATA_MODIFIED : return "instruction changed executable accounts data";
1613 0 : case FD_EXECUTOR_INSTR_ERR_EXECUTABLE_LAMPORT_CHANGE : return "instruction changed the balance of an executable account";
1614 0 : case FD_EXECUTOR_INSTR_ERR_EXECUTABLE_ACCOUNT_NOT_RENT_EXEMPT : return "executable accounts must be rent exempt";
1615 0 : case FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID : return "Unsupported program id";
1616 0 : case FD_EXECUTOR_INSTR_ERR_CALL_DEPTH : return "Cross-program invocation call depth too deep";
1617 0 : case FD_EXECUTOR_INSTR_ERR_MISSING_ACC : return "An account required by the instruction is missing";
1618 0 : case FD_EXECUTOR_INSTR_ERR_REENTRANCY_NOT_ALLOWED : return "Cross-program invocation reentrancy not allowed for this instruction";
1619 0 : case FD_EXECUTOR_INSTR_ERR_MAX_SEED_LENGTH_EXCEEDED : return "Length of the seed is too long for address generation";
1620 0 : case FD_EXECUTOR_INSTR_ERR_INVALID_SEEDS : return "Provided seeds do not result in a valid address";
1621 0 : case FD_EXECUTOR_INSTR_ERR_INVALID_REALLOC : return "Failed to reallocate account data";
1622 0 : case FD_EXECUTOR_INSTR_ERR_COMPUTE_BUDGET_EXCEEDED : return "Computational budget exceeded";
1623 0 : case FD_EXECUTOR_INSTR_ERR_PRIVILEGE_ESCALATION : return "Cross-program invocation with unauthorized signer or writable account";
1624 0 : case FD_EXECUTOR_INSTR_ERR_PROGRAM_ENVIRONMENT_SETUP_FAILURE : return "Failed to create program execution environment";
1625 0 : case FD_EXECUTOR_INSTR_ERR_PROGRAM_FAILED_TO_COMPLETE : return "Program failed to complete";
1626 0 : case FD_EXECUTOR_INSTR_ERR_PROGRAM_FAILED_TO_COMPILE : return "Program failed to compile";
1627 0 : case FD_EXECUTOR_INSTR_ERR_ACC_IMMUTABLE : return "Account is immutable";
1628 0 : case FD_EXECUTOR_INSTR_ERR_INCORRECT_AUTHORITY : return "Incorrect authority provided";
1629 0 : case FD_EXECUTOR_INSTR_ERR_BORSH_IO_ERROR : return "Failed to serialize or deserialize account data"; // truncated
1630 0 : case FD_EXECUTOR_INSTR_ERR_ACC_NOT_RENT_EXEMPT : return "An account does not have enough lamports to be rent-exempt";
1631 0 : case FD_EXECUTOR_INSTR_ERR_INVALID_ACC_OWNER : return "Invalid account owner";
1632 0 : case FD_EXECUTOR_INSTR_ERR_ARITHMETIC_OVERFLOW : return "Program arithmetic overflowed";
1633 0 : case FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR : return "Unsupported sysvar";
1634 0 : case FD_EXECUTOR_INSTR_ERR_ILLEGAL_OWNER : return "Provided owner is not allowed";
1635 0 : case FD_EXECUTOR_INSTR_ERR_MAX_ACCS_DATA_ALLOCS_EXCEEDED : return "Accounts data allocations exceeded the maximum allowed per transaction";
1636 0 : case FD_EXECUTOR_INSTR_ERR_MAX_ACCS_EXCEEDED : return "Max accounts exceeded";
1637 0 : case FD_EXECUTOR_INSTR_ERR_MAX_INSN_TRACE_LENS_EXCEEDED : return "Max instruction trace length exceeded";
1638 0 : case FD_EXECUTOR_INSTR_ERR_BUILTINS_MUST_CONSUME_CUS : return "Builtin programs must consume compute units";
1639 0 : default: break;
1640 0 : }
1641 :
1642 0 : return "";
1643 0 : }
1644 :
1645 : // This is purely linker magic to force the inclusion of the yaml type walker so that it is
1646 : // available for debuggers
1647 : void
1648 0 : fd_debug_symbology(void) {
1649 0 : (void)fd_get_types_yaml();
1650 0 : }
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