Line data Source code
1 : #include "fd_bpf_loader_program.h"
2 :
3 : /* For additional context see https://solana.com/docs/programs/deploying#state-accounts */
4 :
5 : #include "../fd_pubkey_utils.h"
6 : #include "../../../ballet/sbpf/fd_sbpf_loader.h"
7 : #include "../sysvar/fd_sysvar.h"
8 : #include "../sysvar/fd_sysvar_rent.h"
9 : #include "../../vm/syscall/fd_vm_syscall.h"
10 : #include "../../vm/fd_vm.h"
11 : #include "../fd_executor.h"
12 : #include "fd_bpf_loader_serialization.h"
13 : #include "fd_native_cpi.h"
14 : #include "../fd_borrowed_account.h"
15 :
16 : /* https://github.com/anza-xyz/agave/blob/ced98f1ebe73f7e9691308afa757323003ff744f/sdk/program/src/program_error.rs#L290-L335 */
17 : static inline int
18 : program_error_to_instr_error( ulong err,
19 0 : uint * custom_err ) {
20 0 : switch( err ) {
21 0 : case CUSTOM_ZERO:
22 0 : *custom_err = 0;
23 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
24 0 : case INVALID_ARGUMENT:
25 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
26 0 : case INVALID_INSTRUCTION_DATA:
27 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
28 0 : case INVALID_ACCOUNT_DATA:
29 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
30 0 : case ACCOUNT_DATA_TOO_SMALL:
31 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
32 0 : case INSUFFICIENT_FUNDS:
33 0 : return FD_EXECUTOR_INSTR_ERR_INSUFFICIENT_FUNDS;
34 0 : case INCORRECT_PROGRAM_ID:
35 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_PROGRAM_ID;
36 0 : case MISSING_REQUIRED_SIGNATURES:
37 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
38 0 : case ACCOUNT_ALREADY_INITIALIZED:
39 0 : return FD_EXECUTOR_INSTR_ERR_ACC_ALREADY_INITIALIZED;
40 0 : case UNINITIALIZED_ACCOUNT:
41 0 : return FD_EXECUTOR_INSTR_ERR_UNINITIALIZED_ACCOUNT;
42 0 : case NOT_ENOUGH_ACCOUNT_KEYS:
43 0 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
44 0 : case ACCOUNT_BORROW_FAILED:
45 0 : return FD_EXECUTOR_INSTR_ERR_ACC_BORROW_FAILED;
46 0 : case MAX_SEED_LENGTH_EXCEEDED:
47 0 : return FD_EXECUTOR_INSTR_ERR_MAX_SEED_LENGTH_EXCEEDED;
48 0 : case INVALID_SEEDS:
49 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_SEEDS;
50 0 : case BORSH_IO_ERROR:
51 0 : return FD_EXECUTOR_INSTR_ERR_BORSH_IO_ERROR;
52 0 : case ACCOUNT_NOT_RENT_EXEMPT:
53 0 : return FD_EXECUTOR_INSTR_ERR_ACC_NOT_RENT_EXEMPT;
54 0 : case UNSUPPORTED_SYSVAR:
55 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
56 0 : case ILLEGAL_OWNER:
57 0 : return FD_EXECUTOR_INSTR_ERR_ILLEGAL_OWNER;
58 0 : case MAX_ACCOUNTS_DATA_ALLOCATIONS_EXCEEDED:
59 0 : return FD_EXECUTOR_INSTR_ERR_MAX_ACCS_DATA_ALLOCS_EXCEEDED;
60 0 : case INVALID_ACCOUNT_DATA_REALLOC:
61 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_REALLOC;
62 0 : case MAX_INSTRUCTION_TRACE_LENGTH_EXCEEDED:
63 0 : return FD_EXECUTOR_INSTR_ERR_MAX_INSN_TRACE_LENS_EXCEEDED;
64 0 : case BUILTIN_PROGRAMS_MUST_CONSUME_COMPUTE_UNITS:
65 0 : return FD_EXECUTOR_INSTR_ERR_BUILTINS_MUST_CONSUME_CUS;
66 0 : case INVALID_ACCOUNT_OWNER:
67 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_OWNER;
68 0 : case ARITHMETIC_OVERFLOW:
69 0 : return FD_EXECUTOR_INSTR_ERR_ARITHMETIC_OVERFLOW;
70 0 : case IMMUTABLE:
71 0 : return FD_EXECUTOR_INSTR_ERR_ACC_IMMUTABLE;
72 0 : case INCORRECT_AUTHORITY:
73 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_AUTHORITY;
74 0 : default:
75 0 : if( err>>BUILTIN_BIT_SHIFT == 0 ) {
76 0 : *custom_err = (uint)err;
77 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
78 0 : }
79 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ERR;
80 0 : }
81 0 : }
82 :
83 : /* https://github.com/anza-xyz/agave/blob/9b22f28104ec5fd606e4bb39442a7600b38bb671/programs/bpf_loader/src/lib.rs#L216-L229 */
84 : static ulong
85 0 : calculate_heap_cost( ulong heap_size, ulong heap_cost ) {
86 0 : #define KIBIBYTE_MUL_PAGES (1024UL * 32UL)
87 0 : #define KIBIBYTE_MUL_PAGES_SUB_1 (KIBIBYTE_MUL_PAGES - 1UL)
88 :
89 0 : heap_size = fd_ulong_sat_add( heap_size, KIBIBYTE_MUL_PAGES_SUB_1 );
90 :
91 0 : heap_size = fd_ulong_sat_mul( fd_ulong_sat_sub( heap_size / KIBIBYTE_MUL_PAGES, 1UL ), heap_cost );
92 0 : return heap_size;
93 :
94 0 : #undef KIBIBYTE_MUL_PAGES
95 0 : #undef KIBIBYTE_MUL_PAGES_SUB_1
96 0 : }
97 :
98 : void
99 : fd_bpf_get_sbpf_versions( uint * sbpf_min_version,
100 : uint * sbpf_max_version,
101 : ulong slot,
102 42 : fd_features_t const * features ) {
103 42 : int disable_v0 = FD_FEATURE_ACTIVE( slot, features, disable_sbpf_v0_execution );
104 42 : int reenable_v0 = FD_FEATURE_ACTIVE( slot, features, reenable_sbpf_v0_execution );
105 42 : int enable_v0 = !disable_v0 || reenable_v0;
106 42 : int enable_v1 = FD_FEATURE_ACTIVE( slot, features, enable_sbpf_v1_deployment_and_execution );
107 42 : int enable_v2 = FD_FEATURE_ACTIVE( slot, features, enable_sbpf_v2_deployment_and_execution );
108 42 : int enable_v3 = FD_FEATURE_ACTIVE( slot, features, enable_sbpf_v3_deployment_and_execution );
109 :
110 42 : *sbpf_min_version = enable_v0 ? FD_SBPF_V0 : FD_SBPF_V3;
111 42 : if( enable_v3 ) {
112 42 : *sbpf_max_version = FD_SBPF_V3;
113 42 : } else if( enable_v2 ) {
114 0 : *sbpf_max_version = FD_SBPF_V2;
115 0 : } else if( enable_v1 ) {
116 0 : *sbpf_max_version = FD_SBPF_V1;
117 0 : } else {
118 0 : *sbpf_max_version = FD_SBPF_V0;
119 0 : }
120 42 : }
121 :
122 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L105-L171
123 :
124 : Our arguments to deploy_program are different from the Agave version because
125 : we handle the caching of deployed programs differently. In Firedancer we
126 : lack the concept of ProgramCacheEntryType entirely.
127 : https://github.com/anza-xyz/agave/blob/114d94a25e9631f9bf6349c4b833d7900ef1fb1c/program-runtime/src/loaded_programs.rs#L158
128 :
129 : In Agave there is a separate caching structure that is used to store the
130 : deployed programs. In Firedancer the deployed, validated program is stored as
131 : metadata for the account in the funk record.
132 :
133 : See https://github.com/firedancer-io/firedancer/blob/9c1df680b3f38bebb0597e089766ec58f3b41e85/src/flamenco/runtime/program/fd_bpf_loader_v3_program.c#L1640
134 : for how we handle the concept of 'LoadedProgramType::DelayVisibility' in Firedancer.
135 :
136 : As a concrete example, our version of deploy_program does not have the
137 : 'account_size' argument because we do not update the funk record here.
138 :
139 : The spad used for allocations can be either scoped to the executor or the
140 : runtime depending on where it is called from. If a program is deployed from
141 : the v3 contract, then the executor spad should be used. */
142 : int
143 : fd_deploy_program( fd_exec_instr_ctx_t * instr_ctx,
144 : fd_pubkey_t const * program_key,
145 : uchar const * programdata,
146 : ulong programdata_size,
147 0 : fd_spad_t * spad ) {
148 0 : int deploy_mode = 1;
149 0 : int direct_mapping = FD_FEATURE_ACTIVE_BANK( instr_ctx->txn_ctx->bank, bpf_account_data_direct_mapping );
150 0 : fd_sbpf_syscalls_t * syscalls = fd_sbpf_syscalls_new( fd_spad_alloc( spad,
151 0 : fd_sbpf_syscalls_align(),
152 0 : fd_sbpf_syscalls_footprint() ) );
153 0 : if( FD_UNLIKELY( !syscalls ) ) {
154 : //TODO: full log including err
155 0 : fd_log_collector_msg_literal( instr_ctx, "Failed to register syscalls" );
156 0 : return FD_EXECUTOR_INSTR_ERR_PROGRAM_ENVIRONMENT_SETUP_FAILURE;
157 0 : }
158 :
159 0 : fd_vm_syscall_register_slot( syscalls,
160 0 : instr_ctx->txn_ctx->slot,
161 0 : &instr_ctx->txn_ctx->features,
162 0 : 1 );
163 :
164 : /* Load executable */
165 0 : fd_sbpf_elf_info_t elf_info[ 1UL ];
166 0 : uint min_sbpf_version, max_sbpf_version;
167 0 : fd_bpf_get_sbpf_versions( &min_sbpf_version,
168 0 : &max_sbpf_version,
169 0 : instr_ctx->txn_ctx->slot,
170 0 : &instr_ctx->txn_ctx->features );
171 :
172 0 : fd_sbpf_loader_config_t config = { 0 };
173 0 : config.elf_deploy_checks = deploy_mode;
174 0 : config.sbpf_min_version = min_sbpf_version;
175 0 : config.sbpf_max_version = max_sbpf_version;
176 :
177 0 : if( FD_UNLIKELY( fd_sbpf_elf_peek( elf_info, programdata, programdata_size, &config )<0 ) ) {
178 : //TODO: actual log, this is a custom Firedancer msg
179 0 : fd_log_collector_msg_literal( instr_ctx, "Failed to load or verify Elf" );
180 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
181 0 : }
182 :
183 : /* Allocate rodata segment */
184 0 : void * rodata = fd_spad_alloc( spad, FD_SBPF_PROG_RODATA_ALIGN, elf_info->rodata_footprint );
185 0 : if( FD_UNLIKELY( !rodata ) ) {
186 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
187 0 : }
188 :
189 : /* Allocate program buffer */
190 0 : ulong prog_align = fd_sbpf_program_align();
191 0 : ulong prog_footprint = fd_sbpf_program_footprint( elf_info );
192 0 : fd_sbpf_program_t * prog = fd_sbpf_program_new( fd_spad_alloc( spad, prog_align, prog_footprint ), elf_info, rodata );
193 0 : if( FD_UNLIKELY( !prog ) ) {
194 0 : FD_LOG_ERR(( "fd_sbpf_program_new() failed: %s", fd_sbpf_strerror() ));
195 0 : }
196 :
197 : /* Load program */
198 0 : int err = fd_sbpf_program_load( prog, programdata, programdata_size, syscalls, &config );
199 0 : if( FD_UNLIKELY( err ) ) {
200 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
201 0 : }
202 :
203 : /* Validate the program */
204 0 : fd_vm_t _vm[ 1UL ];
205 0 : fd_vm_t * vm = fd_vm_join( fd_vm_new( _vm ) );
206 :
207 0 : vm = fd_vm_init(
208 0 : /* vm */ vm,
209 0 : /* instr_ctx */ instr_ctx,
210 0 : /* heap_max */ instr_ctx->txn_ctx->compute_budget_details.heap_size,
211 0 : /* entry_cu */ instr_ctx->txn_ctx->compute_budget_details.compute_meter,
212 0 : /* rodata */ prog->rodata,
213 0 : /* rodata_sz */ prog->rodata_sz,
214 0 : /* text */ prog->text,
215 0 : /* text_cnt */ prog->text_cnt,
216 0 : /* text_off */ prog->text_off, /* FIXME: What if text_off is not multiple of 8 */
217 0 : /* text_sz */ prog->text_sz,
218 0 : /* entry_pc */ prog->entry_pc,
219 0 : /* calldests */ prog->calldests,
220 0 : /* sbpf_version */ elf_info->sbpf_version,
221 0 : /* syscalls */ syscalls,
222 0 : /* trace */ NULL,
223 0 : /* sha */ NULL,
224 0 : /* mem_regions */ NULL,
225 0 : /* mem_regions_cnt */ 0,
226 0 : /* mem_region_accs */ NULL,
227 0 : /* is_deprecated */ 0,
228 0 : /* direct mapping */ direct_mapping,
229 0 : /* dump_syscall_to_pb */ 0 );
230 0 : if ( FD_UNLIKELY( vm == NULL ) ) {
231 0 : FD_LOG_WARNING(( "NULL vm" ));
232 0 : return FD_EXECUTOR_INSTR_ERR_PROGRAM_ENVIRONMENT_SETUP_FAILURE;
233 0 : }
234 :
235 0 : int validate_result = fd_vm_validate( vm );
236 0 : if( FD_UNLIKELY( validate_result!=FD_VM_SUCCESS ) ) {
237 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
238 0 : }
239 :
240 : /* Queue the program for reverification */
241 0 : instr_ctx->txn_ctx->programs_to_reverify[instr_ctx->txn_ctx->programs_to_reverify_cnt++] = *program_key;
242 :
243 0 : return FD_EXECUTOR_INSTR_SUCCESS;
244 0 : }
245 :
246 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L195-L218 */
247 : static int
248 : write_program_data( fd_exec_instr_ctx_t * instr_ctx,
249 : ushort instr_acc_idx,
250 : ulong program_data_offset,
251 : uchar * bytes,
252 0 : ulong bytes_len ) {
253 0 : int err;
254 :
255 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L202 */
256 0 : fd_guarded_borrowed_account_t program;
257 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, instr_acc_idx, &program );
258 :
259 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L203 */
260 0 : uchar * data = NULL;
261 0 : ulong dlen = 0UL;
262 0 : err = fd_borrowed_account_get_data_mut( &program, &data, &dlen );
263 0 : if( FD_UNLIKELY( err ) ) {
264 0 : return err;
265 0 : }
266 :
267 0 : ulong write_offset = fd_ulong_sat_add( program_data_offset, bytes_len );
268 0 : if( FD_UNLIKELY( fd_borrowed_account_get_data_len( &program )<write_offset ) ) {
269 : /* Max msg_sz: 24 - 6 + 2*20 = 58 < 127 => we can use printf */
270 0 : fd_log_collector_printf_dangerous_max_127( instr_ctx,
271 0 : "Write overflow %lu < %lu", fd_borrowed_account_get_data_len( &program ), write_offset );
272 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
273 0 : }
274 :
275 0 : if( FD_UNLIKELY( program_data_offset>dlen ) ) {
276 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
277 0 : }
278 :
279 0 : if( FD_LIKELY( bytes_len ) ) {
280 0 : fd_memcpy( data+program_data_offset, bytes, bytes_len );
281 0 : }
282 :
283 0 : return FD_EXECUTOR_INSTR_SUCCESS;
284 0 : }
285 :
286 : fd_bpf_upgradeable_loader_state_t *
287 : fd_bpf_loader_program_get_state( fd_txn_account_t const * acct,
288 : fd_spad_t * spad,
289 0 : int * opt_err ) {
290 0 : int err;
291 0 : fd_bpf_upgradeable_loader_state_t * res = fd_bincode_decode_spad(
292 0 : bpf_upgradeable_loader_state,
293 0 : spad,
294 0 : fd_txn_account_get_data( acct ),
295 0 : fd_txn_account_get_data_len( acct ),
296 0 : &err );
297 :
298 0 : if( opt_err ) {
299 0 : *opt_err = FD_UNLIKELY( err ) ? FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA : FD_EXECUTOR_INSTR_SUCCESS;
300 0 : }
301 :
302 0 : return FD_UNLIKELY( err ) ? NULL : res;
303 0 : }
304 :
305 : /* Mirrors solana_sdk::transaction_context::BorrowedAccount::set_state()
306 : https://github.com/anza-xyz/agave/blob/v2.1.14/sdk/src/transaction_context.rs#L973 */
307 : int
308 : fd_bpf_loader_v3_program_set_state( fd_borrowed_account_t * borrowed_acct,
309 0 : fd_bpf_upgradeable_loader_state_t * state ) {
310 0 : ulong state_size = fd_bpf_upgradeable_loader_state_size( state );
311 :
312 0 : uchar * data = NULL;
313 0 : ulong dlen = 0UL;
314 :
315 0 : int err = fd_borrowed_account_get_data_mut( borrowed_acct, &data, &dlen );
316 0 : if( FD_UNLIKELY( err ) ) {
317 0 : return err;
318 0 : }
319 :
320 0 : if( FD_UNLIKELY( state_size>dlen ) ) {
321 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
322 0 : }
323 :
324 0 : fd_bincode_encode_ctx_t ctx = {
325 0 : .data = data,
326 0 : .dataend = data + state_size
327 0 : };
328 :
329 0 : err = fd_bpf_upgradeable_loader_state_encode( state, &ctx );
330 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
331 0 : return FD_EXECUTOR_INSTR_ERR_GENERIC_ERR;
332 0 : }
333 :
334 0 : return FD_BINCODE_SUCCESS;
335 0 : }
336 :
337 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L1299-L1331 */
338 : static int
339 : common_close_account( fd_pubkey_t * authority_address,
340 : fd_exec_instr_ctx_t * instr_ctx,
341 0 : fd_bpf_upgradeable_loader_state_t * state ) {
342 0 : int err;
343 :
344 : /* https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L1307 */
345 0 : if( FD_UNLIKELY( !authority_address ) ) {
346 0 : return FD_EXECUTOR_INSTR_ERR_ACC_IMMUTABLE;
347 0 : }
348 :
349 : /* https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L1312-L1313 */
350 0 : fd_pubkey_t const * acc_key = NULL;
351 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 2UL, &acc_key );
352 0 : if( FD_UNLIKELY( err ) ) {
353 0 : return err;
354 0 : }
355 :
356 0 : if( FD_UNLIKELY( memcmp( authority_address, acc_key, sizeof(fd_pubkey_t) ) ) ) {
357 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_AUTHORITY;
358 0 : }
359 :
360 : /* https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L1319-L1322 */
361 0 : if( FD_UNLIKELY( !fd_instr_acc_is_signer_idx( instr_ctx->instr, 2UL ) ) ) {
362 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
363 0 : }
364 :
365 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L1324 */
366 0 : fd_guarded_borrowed_account_t close_account;
367 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 0UL, &close_account );
368 :
369 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L1326 */
370 0 : fd_guarded_borrowed_account_t recipient_account;
371 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 1UL, &recipient_account );
372 :
373 0 : err = fd_borrowed_account_checked_add_lamports( &recipient_account,
374 0 : fd_borrowed_account_get_lamports( &close_account ) );
375 0 : if( FD_UNLIKELY( err ) ) {
376 0 : return err;
377 0 : }
378 :
379 0 : err = fd_borrowed_account_set_lamports( &close_account, 0UL );
380 0 : if( FD_UNLIKELY( err ) ) {
381 0 : return err;
382 0 : }
383 :
384 0 : state->discriminant = fd_bpf_upgradeable_loader_state_enum_uninitialized;
385 0 : err = fd_bpf_loader_v3_program_set_state( &close_account, state );
386 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
387 0 : return err;
388 0 : }
389 :
390 0 : return FD_EXECUTOR_INSTR_SUCCESS;
391 0 : }
392 :
393 :
394 : /* Every loader-owned BPF program goes through this function, which goes into the VM.
395 :
396 : https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L1332-L1501 */
397 : int
398 : fd_bpf_execute( fd_exec_instr_ctx_t * instr_ctx,
399 : fd_program_cache_entry_t const * cache_entry,
400 0 : uchar is_deprecated ) {
401 :
402 0 : int err = FD_EXECUTOR_INSTR_SUCCESS;
403 0 : fd_sbpf_syscalls_t * syscalls = fd_sbpf_syscalls_new( fd_spad_alloc( instr_ctx->txn_ctx->spad,
404 0 : fd_sbpf_syscalls_align(),
405 0 : fd_sbpf_syscalls_footprint() ) );
406 0 : if( FD_UNLIKELY( !syscalls ) ) {
407 0 : FD_LOG_CRIT(( "Unable to allocate syscalls" ));
408 0 : }
409 :
410 : /* TODO do we really need to re-do this on every instruction? */
411 0 : fd_vm_syscall_register_slot( syscalls,
412 0 : instr_ctx->txn_ctx->slot,
413 0 : &instr_ctx->txn_ctx->features,
414 0 : 0 );
415 :
416 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L1362-L1368 */
417 0 : ulong input_sz = 0UL;
418 0 : ulong pre_lens[256] = {0};
419 0 : fd_vm_input_region_t input_mem_regions[1000] = {0}; /* We can have a max of (3 * num accounts + 1) regions */
420 0 : fd_vm_acc_region_meta_t acc_region_metas[256] = {0}; /* instr acc idx to idx */
421 0 : uint input_mem_regions_cnt = 0U;
422 0 : int direct_mapping = FD_FEATURE_ACTIVE_BANK( instr_ctx->txn_ctx->bank, bpf_account_data_direct_mapping );
423 :
424 0 : uchar * input = NULL;
425 0 : err = fd_bpf_loader_input_serialize_parameters( instr_ctx, &input_sz, pre_lens,
426 0 : input_mem_regions, &input_mem_regions_cnt,
427 0 : acc_region_metas, direct_mapping,
428 0 : is_deprecated, &input );
429 0 : if( FD_UNLIKELY( err ) ) {
430 0 : return err;
431 0 : }
432 :
433 0 : if( FD_UNLIKELY( input==NULL ) ) {
434 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_ACC;
435 0 : }
436 :
437 0 : fd_sha256_t _sha[1];
438 0 : fd_sha256_t * sha = fd_sha256_join( fd_sha256_new( _sha ) );
439 :
440 0 : fd_vm_t _vm[1];
441 0 : fd_vm_t * vm = fd_vm_join( fd_vm_new( _vm ) );
442 :
443 0 : ulong pre_insn_cus = instr_ctx->txn_ctx->compute_budget_details.compute_meter;
444 0 : ulong heap_size = instr_ctx->txn_ctx->compute_budget_details.heap_size;
445 :
446 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L275-L278 */
447 0 : ulong heap_cost = calculate_heap_cost( heap_size, FD_VM_HEAP_COST );
448 0 : int heap_cost_result = fd_exec_consume_cus( instr_ctx->txn_ctx, heap_cost );
449 0 : if( FD_UNLIKELY( heap_cost_result ) ) {
450 0 : return FD_EXECUTOR_INSTR_ERR_PROGRAM_ENVIRONMENT_SETUP_FAILURE;
451 0 : }
452 :
453 : /* For dumping syscalls for seed corpora */
454 0 : int dump_syscall_to_pb = instr_ctx->txn_ctx->capture_ctx &&
455 0 : instr_ctx->txn_ctx->slot >= instr_ctx->txn_ctx->capture_ctx->dump_proto_start_slot &&
456 0 : instr_ctx->txn_ctx->capture_ctx->dump_syscall_to_pb;
457 :
458 : /* TODO: (topointon): correctly set check_size in vm setup */
459 0 : vm = fd_vm_init(
460 0 : /* vm */ vm,
461 0 : /* instr_ctx */ instr_ctx,
462 0 : /* heap_max */ heap_size,
463 0 : /* entry_cu */ instr_ctx->txn_ctx->compute_budget_details.compute_meter,
464 0 : /* rodata */ fd_program_cache_get_rodata( cache_entry ),
465 0 : /* rodata_sz */ cache_entry->rodata_sz,
466 0 : /* text */ (ulong *)((ulong)fd_program_cache_get_rodata( cache_entry ) + (ulong)cache_entry->text_off), /* Note: text_off is byte offset */
467 0 : /* text_cnt */ cache_entry->text_cnt,
468 0 : /* text_off */ cache_entry->text_off,
469 0 : /* text_sz */ cache_entry->text_sz,
470 0 : /* entry_pc */ cache_entry->entry_pc,
471 0 : /* calldests */ fd_program_cache_get_calldests( cache_entry ),
472 0 : /* sbpf_version */ cache_entry->sbpf_version,
473 0 : /* syscalls */ syscalls,
474 0 : /* trace */ NULL,
475 0 : /* sha */ sha,
476 0 : /* input_mem_regions */ input_mem_regions,
477 0 : /* input_mem_regions_cnt */ input_mem_regions_cnt,
478 0 : /* acc_region_metas */ acc_region_metas,
479 0 : /* is_deprecated */ is_deprecated,
480 0 : /* direct_mapping */ direct_mapping,
481 0 : /* dump_syscall_to_pb */ dump_syscall_to_pb );
482 0 : if( FD_UNLIKELY( !vm ) ) {
483 : /* We throw an error here because it could be the case that the given heap_size > HEAP_MAX.
484 : In this case, Agave fails the transaction but does not error out.
485 :
486 : https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L1396 */
487 0 : FD_LOG_WARNING(( "null vm" ));
488 0 : return FD_EXECUTOR_INSTR_ERR_PROGRAM_ENVIRONMENT_SETUP_FAILURE;
489 0 : }
490 :
491 0 : if( FD_UNLIKELY( instr_ctx->txn_ctx->fuzz_config.enable_vm_tracing ) ) {
492 0 : ulong event_max = FD_RUNTIME_VM_TRACE_EVENT_MAX;
493 0 : ulong event_data_max = FD_RUNTIME_VM_TRACE_EVENT_DATA_MAX;
494 0 : vm->trace = fd_vm_trace_join( fd_vm_trace_new( fd_spad_alloc(
495 0 : instr_ctx->txn_ctx->spad, fd_vm_trace_align(), fd_vm_trace_footprint( event_max, event_data_max ) ), event_max, event_data_max ) );
496 0 : if( FD_UNLIKELY( !vm->trace ) ) FD_LOG_ERR(( "unable to create trace; make sure you've compiled with sufficient spad size " ));
497 0 : }
498 :
499 0 : int exec_err = fd_vm_exec( vm );
500 0 : instr_ctx->txn_ctx->compute_budget_details.compute_meter = vm->cu;
501 :
502 0 : if( FD_UNLIKELY( vm->trace ) ) {
503 0 : err = fd_vm_trace_printf( vm->trace, vm->syscalls );
504 0 : if( FD_UNLIKELY( err ) ) {
505 0 : FD_LOG_WARNING(( "fd_vm_trace_printf failed (%i-%s)", err, fd_vm_strerror( err ) ));
506 0 : }
507 0 : }
508 :
509 : /* Log consumed compute units and return data.
510 : https://github.com/anza-xyz/agave/blob/v2.0.6/programs/bpf_loader/src/lib.rs#L1418-L1429 */
511 0 : fd_log_collector_program_consumed( instr_ctx, pre_insn_cus-vm->cu, pre_insn_cus );
512 0 : if( FD_UNLIKELY( instr_ctx->txn_ctx->return_data.len ) ) {
513 0 : fd_log_collector_program_return( instr_ctx );
514 0 : }
515 :
516 : /* We have a big error-matching arm here
517 : https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1674-L1744 */
518 :
519 : /* Handle non-zero return status with successful VM execution. This is
520 : the Ok(status) case, hence exec_err must be 0 for this case to be hit.
521 : https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1675-L1678 */
522 0 : if( FD_LIKELY( !exec_err ) ) {
523 0 : ulong status = vm->reg[0];
524 0 : if( FD_UNLIKELY( status ) ) {
525 0 : err = program_error_to_instr_error( status, &instr_ctx->txn_ctx->custom_err );
526 0 : FD_VM_PREPARE_ERR_OVERWRITE( vm );
527 0 : FD_VM_ERR_FOR_LOG_INSTR( vm, err );
528 0 : return err;
529 0 : }
530 0 : } else {
531 : /* https://github.com/anza-xyz/agave/blob/v2.1.13/programs/bpf_loader/src/lib.rs#L1434-L1439 */
532 : /* (SIMD-182) Consume ALL requested CUs on non-Syscall errors */
533 0 : if( FD_FEATURE_ACTIVE_BANK( instr_ctx->txn_ctx->bank, deplete_cu_meter_on_vm_failure ) &&
534 0 : exec_err!=FD_VM_ERR_EBPF_SYSCALL_ERROR ) {
535 0 : instr_ctx->txn_ctx->compute_budget_details.compute_meter = 0UL;
536 0 : }
537 :
538 : /* Direct mapping access violation case
539 : Edge case with error codes: if direct mapping is enabled, the EBPF error is an access violation,
540 : and the access type was a store, a different error code is returned to give developers more insight
541 : as to what caused the error.
542 : https://github.com/anza-xyz/agave/blob/v2.0.9/programs/bpf_loader/src/lib.rs#L1436-L1470 */
543 0 : if( FD_UNLIKELY( direct_mapping && exec_err==FD_VM_ERR_EBPF_ACCESS_VIOLATION &&
544 0 : vm->segv_vaddr!=ULONG_MAX &&
545 0 : vm->segv_access_type==FD_VM_ACCESS_TYPE_ST ) ) {
546 : /* vaddrs start at 0xFFFFFFFF + 1, so anything below it would not correspond to any account metadata. */
547 0 : if( FD_UNLIKELY( vm->segv_vaddr>>32UL==0UL ) ) {
548 0 : return FD_EXECUTOR_INSTR_ERR_PROGRAM_FAILED_TO_COMPLETE;
549 0 : }
550 :
551 : /* Find the account meta corresponding to the vaddr */
552 0 : ulong vaddr_offset = vm->segv_vaddr & FD_VM_OFFSET_MASK;
553 0 : ulong acc_region_addl_off = is_deprecated ? 0UL : MAX_PERMITTED_DATA_INCREASE;
554 :
555 : /* If the vaddr doesn't live in the input region, then we don't need to
556 : bother trying to iterate through all of the borrowed accounts. */
557 0 : if( FD_VADDR_TO_REGION( vm->segv_vaddr )!=FD_VM_INPUT_REGION ) {
558 0 : return FD_EXECUTOR_INSTR_ERR_PROGRAM_FAILED_TO_COMPLETE;
559 0 : }
560 :
561 : /* If the vaddr of the access violation falls within the bounds of a
562 : serialized account vaddr range, then try to retrieve a more specific
563 : vm error based on the account's accesss permissions. */
564 0 : for( ushort i=0UL; i<instr_ctx->instr->acct_cnt; i++ ) {
565 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L1455 */
566 0 : fd_guarded_borrowed_account_t instr_acc;
567 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, i, &instr_acc );
568 :
569 0 : ulong idx = acc_region_metas[i].region_idx;
570 0 : if( input_mem_regions[idx].vaddr_offset<=vaddr_offset && vaddr_offset<input_mem_regions[idx].vaddr_offset+pre_lens[i]+acc_region_addl_off ) {
571 :
572 : /* Found an input mem region!
573 : https://github.com/anza-xyz/agave/blob/89872fdb074e6658646b2b57a299984f0059cc84/programs/bpf_loader/src/lib.rs#L1515-L1528 */
574 0 : if( !FD_FEATURE_ACTIVE_BANK( instr_ctx->txn_ctx->bank, remove_accounts_executable_flag_checks ) &&
575 0 : fd_borrowed_account_is_executable( &instr_acc ) ) {
576 0 : err = FD_EXECUTOR_INSTR_ERR_EXECUTABLE_DATA_MODIFIED;
577 0 : } else if( fd_borrowed_account_is_writable( &instr_acc ) ) {
578 0 : err = FD_EXECUTOR_INSTR_ERR_EXTERNAL_DATA_MODIFIED;
579 0 : } else {
580 0 : err = FD_EXECUTOR_INSTR_ERR_READONLY_DATA_MODIFIED;
581 0 : }
582 0 : return err;
583 0 : }
584 0 : }
585 0 : }
586 :
587 : /* The error kind should have been set in the VM. Match it and set
588 : the error code accordingly. There are no direct permalinks here -
589 : this is all a result of Agave's complex nested error-code handling
590 : and our design decisions for making our error codes match. */
591 :
592 : /* Instr error case. Set the error kind and return the instruction error */
593 0 : if( instr_ctx->txn_ctx->exec_err_kind==FD_EXECUTOR_ERR_KIND_INSTR ) {
594 0 : err = instr_ctx->txn_ctx->exec_err;
595 0 : FD_VM_PREPARE_ERR_OVERWRITE( vm );
596 0 : FD_VM_ERR_FOR_LOG_INSTR( vm, err );
597 0 : return err;
598 0 : }
599 :
600 : /* Syscall error case. The VM would have also set the syscall error
601 : code in the txn_ctx exec_err. */
602 0 : if( instr_ctx->txn_ctx->exec_err_kind==FD_EXECUTOR_ERR_KIND_SYSCALL ) {
603 0 : err = instr_ctx->txn_ctx->exec_err;
604 0 : FD_VM_PREPARE_ERR_OVERWRITE( vm );
605 0 : FD_VM_ERR_FOR_LOG_SYSCALL( vm, err );
606 0 : return FD_EXECUTOR_INSTR_ERR_PROGRAM_FAILED_TO_COMPLETE;
607 0 : }
608 :
609 : /* An access violation that takes place inside a syscall will
610 : cause `exec_res` to be set to EbpfError::SyscallError,
611 : but the `txn_ctx->exec_err_kind` will be set to EBPF and
612 : `txn_ctx->exec_err` will be set to the EBPF error. In this
613 : specific case, there is nothing to do since the error and error
614 : kind area already set correctly. Otherwise, we need to log the
615 : EBPF error. */
616 0 : if( exec_err!=FD_VM_ERR_EBPF_SYSCALL_ERROR ) {
617 0 : FD_VM_PREPARE_ERR_OVERWRITE( vm );
618 0 : FD_VM_ERR_FOR_LOG_EBPF( vm, exec_err );
619 0 : }
620 :
621 0 : return FD_EXECUTOR_INSTR_ERR_PROGRAM_FAILED_TO_COMPLETE;
622 0 : }
623 :
624 0 : err = fd_bpf_loader_input_deserialize_parameters( instr_ctx, pre_lens, input, input_sz, direct_mapping, is_deprecated );
625 0 : if( FD_UNLIKELY( err ) ) {
626 0 : return err;
627 0 : }
628 :
629 0 : return FD_EXECUTOR_INSTR_SUCCESS;
630 0 : }
631 :
632 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1358-L1539 */
633 : static int
634 : common_extend_program( fd_exec_instr_ctx_t * instr_ctx,
635 : uint additional_bytes,
636 0 : uchar check_authority ) {
637 0 : int err;
638 :
639 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1366 */
640 0 : fd_pubkey_t const * program_id = NULL;
641 0 : err = fd_exec_instr_ctx_get_last_program_key( instr_ctx, &program_id );
642 0 : if( FD_UNLIKELY( err ) ) {
643 0 : return err;
644 0 : }
645 :
646 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1368-L1370 */
647 0 : #define PROGRAM_DATA_ACCOUNT_INDEX (0)
648 0 : #define PROGRAM_ACCOUNT_INDEX (1)
649 0 : #define AUTHORITY_ACCOUNT_INDEX (2)
650 :
651 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1371-L1372 */
652 0 : uchar optional_payer_account_index = check_authority ? 4 : 3;
653 :
654 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1374-L1377 */
655 0 : if( FD_UNLIKELY( additional_bytes==0U ) ) {
656 0 : fd_log_collector_msg_literal( instr_ctx, "Additional bytes must be greater than 0" );
657 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
658 0 : }
659 :
660 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1379-L1381 */
661 0 : fd_guarded_borrowed_account_t programdata_account;
662 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, PROGRAM_DATA_ACCOUNT_INDEX, &programdata_account );
663 0 : fd_pubkey_t * programdata_key = programdata_account.acct->pubkey;
664 :
665 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1383-L1386 */
666 0 : if( FD_UNLIKELY( memcmp( program_id, fd_borrowed_account_get_owner( &programdata_account ), sizeof(fd_pubkey_t) ) ) ) {
667 0 : fd_log_collector_msg_literal( instr_ctx, "ProgramData owner is invalid" );
668 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_OWNER;
669 0 : }
670 :
671 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1387-L1390 */
672 0 : if( FD_UNLIKELY( !fd_borrowed_account_is_writable( &programdata_account ) ) ) {
673 0 : fd_log_collector_msg_literal( instr_ctx, "ProgramData is not writable" );
674 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
675 0 : }
676 :
677 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1392-L1393 */
678 0 : fd_guarded_borrowed_account_t program_account;
679 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, PROGRAM_ACCOUNT_INDEX, &program_account );
680 :
681 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1394-L1397 */
682 0 : if( FD_UNLIKELY( !fd_borrowed_account_is_writable( &program_account ) ) ) {
683 0 : fd_log_collector_msg_literal( instr_ctx, "Program account is not writable" );
684 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
685 0 : }
686 :
687 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1398-L1401 */
688 0 : if( FD_UNLIKELY( memcmp( program_id, fd_borrowed_account_get_owner( &program_account ), sizeof(fd_pubkey_t) ) ) ) {
689 0 : fd_log_collector_msg_literal( instr_ctx, "Program account not owned by loader" );
690 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_OWNER;
691 0 : }
692 :
693 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1403-L1419 */
694 0 : fd_bpf_upgradeable_loader_state_t * program_state = fd_bpf_loader_program_get_state( program_account.acct, instr_ctx->txn_ctx->spad, &err );
695 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
696 0 : return err;
697 0 : }
698 0 : if( fd_bpf_upgradeable_loader_state_is_program( program_state ) ) {
699 0 : if( FD_UNLIKELY( memcmp( &program_state->inner.program.programdata_address, programdata_key, sizeof(fd_pubkey_t) ) ) ) {
700 0 : fd_log_collector_msg_literal( instr_ctx, "Program account does not match ProgramData account" );
701 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
702 0 : }
703 0 : } else {
704 0 : fd_log_collector_msg_literal( instr_ctx, "Invalid Program account" );
705 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
706 0 : }
707 :
708 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1420 */
709 0 : fd_borrowed_account_drop( &program_account );
710 :
711 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1422-L1432 */
712 0 : ulong old_len = fd_borrowed_account_get_data_len( &programdata_account );
713 0 : ulong new_len = fd_ulong_sat_add( old_len, additional_bytes );
714 0 : if( FD_UNLIKELY( new_len>MAX_PERMITTED_DATA_LENGTH ) ) {
715 : /* Max msg_sz: 85 - 6 + 2*20 = 119 < 127 => we can use printf */
716 0 : fd_log_collector_printf_dangerous_max_127( instr_ctx,
717 0 : "Extended ProgramData length of %lu bytes exceeds max account data length of %lu bytes", new_len, MAX_PERMITTED_DATA_LENGTH );
718 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_REALLOC;
719 0 : }
720 :
721 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1434-L1437 */
722 0 : fd_sol_sysvar_clock_t clock[1];
723 0 : if( FD_UNLIKELY( !fd_sysvar_cache_clock_read( instr_ctx->sysvar_cache, clock ) ) ) {
724 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
725 0 : }
726 0 : ulong clock_slot = clock->slot;
727 :
728 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1439-L1478 */
729 0 : fd_pubkey_t * upgrade_authority_address = NULL;
730 0 : fd_bpf_upgradeable_loader_state_t * programdata_state = fd_bpf_loader_program_get_state( programdata_account.acct, instr_ctx->txn_ctx->spad, &err );
731 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
732 0 : return err;
733 0 : }
734 0 : if( fd_bpf_upgradeable_loader_state_is_program_data( programdata_state ) ) {
735 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1444-L1447 */
736 0 : if( FD_UNLIKELY( clock_slot==programdata_state->inner.program_data.slot ) ) {
737 0 : fd_log_collector_msg_literal( instr_ctx, "Program was extended in this block already" );
738 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
739 0 : }
740 :
741 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1449-L1455 */
742 0 : if( FD_UNLIKELY( !programdata_state->inner.program_data.has_upgrade_authority_address ) ) {
743 0 : fd_log_collector_msg_literal( instr_ctx, "Cannot extend ProgramData accounts that are not upgradeable" );
744 0 : return FD_EXECUTOR_INSTR_ERR_ACC_IMMUTABLE;
745 0 : }
746 :
747 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1457-L1472 */
748 0 : if( check_authority ) {
749 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1458-L1463 */
750 0 : fd_pubkey_t const * authority_key = NULL;
751 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, AUTHORITY_ACCOUNT_INDEX, &authority_key );
752 0 : if( FD_UNLIKELY( err ) ) {
753 0 : return err;
754 0 : }
755 :
756 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1464-L1467 */
757 0 : if( FD_UNLIKELY( !fd_pubkey_eq( &programdata_state->inner.program_data.upgrade_authority_address, authority_key ) ) ) {
758 0 : fd_log_collector_msg_literal( instr_ctx, "Incorrect upgrade authority provided" );
759 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_AUTHORITY;
760 0 : }
761 :
762 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1468-L1471 */
763 0 : if( FD_UNLIKELY( !fd_instr_acc_is_signer_idx( instr_ctx->instr, AUTHORITY_ACCOUNT_INDEX ) ) ) {
764 0 : fd_log_collector_msg_literal( instr_ctx, "Upgrade authority did not sign" );
765 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
766 0 : }
767 0 : }
768 :
769 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1474 */
770 0 : fd_bpf_upgradeable_loader_state_program_data_t * pd = &programdata_state->inner.program_data;
771 0 : upgrade_authority_address = pd->has_upgrade_authority_address ? &pd->upgrade_authority_address : NULL;
772 0 : } else {
773 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1476-L1477 */
774 0 : fd_log_collector_msg_literal( instr_ctx, "ProgramData state is invalid" );
775 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
776 0 : }
777 :
778 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1480-L1485 */
779 0 : fd_rent_t const * rent = fd_bank_rent_query( instr_ctx->txn_ctx->bank );
780 0 : ulong balance = fd_borrowed_account_get_lamports( &programdata_account );
781 0 : ulong min_balance = fd_ulong_max( fd_rent_exempt_minimum_balance( rent, new_len ), 1UL );
782 0 : ulong required_payment = fd_ulong_sat_sub( min_balance, balance );
783 :
784 : /* Borrowed accounts need to be dropped before native invocations. Note:
785 : the programdata account is manually released and acquired within the
786 : extend instruction to preserve the local variable scoping to maintain
787 : readability. The scoped macro still successfully handles the case of
788 : freeing a write lock in case of an early termination. */
789 :
790 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1488 */
791 0 : fd_borrowed_account_drop( &programdata_account );
792 :
793 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1492-L1502 */
794 0 : if( FD_UNLIKELY( required_payment>0UL ) ) {
795 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1493-L1496 */
796 0 : fd_pubkey_t const * payer_key = NULL;
797 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, optional_payer_account_index, &payer_key );
798 0 : if( FD_UNLIKELY( err ) ) {
799 0 : return err;
800 0 : }
801 :
802 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1498-L1501 */
803 0 : uchar instr_data[FD_TXN_MTU];
804 0 : fd_system_program_instruction_t instr = {
805 0 : .discriminant = fd_system_program_instruction_enum_transfer,
806 0 : .inner = {
807 0 : .transfer = required_payment
808 0 : }
809 0 : };
810 :
811 0 : fd_bincode_encode_ctx_t encode_ctx = {
812 0 : .data = instr_data,
813 0 : .dataend = instr_data + FD_TXN_MTU
814 0 : };
815 :
816 : // This should never fail.
817 0 : int err = fd_system_program_instruction_encode( &instr, &encode_ctx );
818 0 : if( FD_UNLIKELY( err ) ) {
819 0 : return FD_EXECUTOR_INSTR_ERR_FATAL;
820 0 : }
821 :
822 0 : fd_vm_rust_account_meta_t * acct_metas = (fd_vm_rust_account_meta_t *)
823 0 : fd_spad_alloc( instr_ctx->txn_ctx->spad,
824 0 : FD_VM_RUST_ACCOUNT_META_ALIGN,
825 0 : 2UL * sizeof(fd_vm_rust_account_meta_t) );
826 0 : fd_native_cpi_create_account_meta( payer_key, 1UL, 1UL, &acct_metas[ 0UL ] );
827 0 : fd_native_cpi_create_account_meta( programdata_key, 0UL, 1UL, &acct_metas[ 1UL ] );
828 :
829 0 : err = fd_native_cpi_native_invoke( instr_ctx,
830 0 : &fd_solana_system_program_id,
831 0 : instr_data,
832 0 : FD_TXN_MTU,
833 0 : acct_metas,
834 0 : 2UL,
835 0 : NULL,
836 0 : 0UL );
837 0 : if( FD_UNLIKELY( err ) ) {
838 0 : return err;
839 0 : }
840 0 : }
841 :
842 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1506-L1507 */
843 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, PROGRAM_DATA_ACCOUNT_INDEX, &programdata_account );
844 :
845 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1508 */
846 0 : err = fd_borrowed_account_set_data_length( &programdata_account, new_len );
847 0 : if( FD_UNLIKELY( err ) ) {
848 0 : return err;
849 0 : }
850 :
851 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1510 */
852 0 : ulong programdata_data_offset = PROGRAMDATA_METADATA_SIZE;
853 :
854 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1517-L1520 */
855 0 : if( FD_UNLIKELY( programdata_data_offset>fd_borrowed_account_get_data_len( &programdata_account ) ) ) {
856 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
857 0 : }
858 0 : uchar const * programdata_data = fd_borrowed_account_get_data( &programdata_account ) + programdata_data_offset;
859 0 : ulong programdata_size = new_len - PROGRAMDATA_METADATA_SIZE;
860 :
861 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1512-L1522 */
862 0 : err = fd_deploy_program( instr_ctx, program_account.acct->pubkey, programdata_data, programdata_size, instr_ctx->txn_ctx->spad );
863 0 : if( FD_UNLIKELY( err ) ) {
864 0 : return err;
865 0 : }
866 :
867 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1523 */
868 0 : fd_borrowed_account_drop( &programdata_account );
869 :
870 : /* Setting the discriminant and upgrade authority address here can likely
871 : be a no-op because these values shouldn't change. These can probably be
872 : removed, but can help to mirror against Agave client's implementation.
873 : The set_state function also contains an ownership check. */
874 :
875 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1525-L1526 */
876 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 0UL, &programdata_account );
877 :
878 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1527-L1530 */
879 0 : programdata_state->discriminant = fd_bpf_upgradeable_loader_state_enum_program_data;
880 0 : programdata_state->inner.program_data.slot = clock_slot;
881 0 : programdata_state->inner.program_data.has_upgrade_authority_address = !!upgrade_authority_address;
882 0 : if( upgrade_authority_address ) programdata_state->inner.program_data.upgrade_authority_address = *upgrade_authority_address;
883 :
884 0 : err = fd_bpf_loader_v3_program_set_state( &programdata_account, programdata_state );
885 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
886 0 : return err;
887 0 : }
888 :
889 : /* Max msg_sz: 41 - 2 + 20 = 57 < 127 => we can use printf
890 : https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1532-L1536 */
891 0 : fd_log_collector_printf_dangerous_max_127( instr_ctx,
892 0 : "Extended ProgramData account by %u bytes", additional_bytes );
893 :
894 : /* programdata account is dropped when it goes out of scope */
895 :
896 0 : return FD_EXECUTOR_INSTR_SUCCESS;
897 :
898 0 : #undef PROGRAM_DATA_ACCOUNT_INDEX
899 0 : #undef PROGRAM_ACCOUNT_INDEX
900 0 : #undef AUTHORITY_ACCOUNT_INDEX
901 0 : }
902 :
903 : /* https://github.com/anza-xyz/agave/blob/77daab497df191ef485a7ad36ed291c1874596e5/programs/bpf_loader/src/lib.rs#L566-L1444 */
904 : static int
905 0 : process_loader_upgradeable_instruction( fd_exec_instr_ctx_t * instr_ctx ) {
906 0 : uchar const * data = instr_ctx->instr->data;
907 0 : fd_spad_t * spad = instr_ctx->txn_ctx->spad;
908 :
909 0 : int err;
910 0 : fd_bpf_upgradeable_loader_program_instruction_t * instruction =
911 0 : fd_bincode_decode_spad(
912 0 : bpf_upgradeable_loader_program_instruction, spad,
913 0 : data,
914 0 : instr_ctx->instr->data_sz>FD_TXN_MTU ? FD_TXN_MTU: instr_ctx->instr->data_sz,
915 0 : &err );
916 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
917 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
918 0 : }
919 :
920 : /* https://github.com/anza-xyz/agave/blob/v2.2.0/programs/bpf_loader/src/lib.rs#L510 */
921 0 : fd_pubkey_t const * program_id = NULL;
922 0 : err = fd_exec_instr_ctx_get_last_program_key( instr_ctx, &program_id );
923 0 : if( FD_UNLIKELY( err ) ) {
924 0 : return err;
925 0 : }
926 :
927 0 : switch( instruction->discriminant ) {
928 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L476-L493 */
929 0 : case fd_bpf_upgradeable_loader_program_instruction_enum_initialize_buffer: {
930 0 : if( FD_UNLIKELY( fd_exec_instr_ctx_check_num_insn_accounts( instr_ctx, 2U ) ) ) {
931 0 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
932 0 : }
933 :
934 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L479 */
935 0 : fd_guarded_borrowed_account_t buffer;
936 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 0UL, &buffer );
937 0 : fd_bpf_upgradeable_loader_state_t * buffer_state = fd_bpf_loader_program_get_state( buffer.acct,
938 0 : spad,
939 0 : &err );
940 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
941 0 : return err;
942 0 : }
943 :
944 0 : if( FD_UNLIKELY( !fd_bpf_upgradeable_loader_state_is_uninitialized( buffer_state ) ) ) {
945 0 : fd_log_collector_msg_literal( instr_ctx, "Buffer account is already initialized" );
946 0 : return FD_EXECUTOR_INSTR_ERR_ACC_ALREADY_INITIALIZED;
947 0 : }
948 :
949 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L487-L489 */
950 0 : fd_pubkey_t const * authority_key = NULL;
951 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 1UL, &authority_key );
952 0 : if( FD_UNLIKELY( err ) ) {
953 0 : return err;
954 0 : }
955 :
956 0 : buffer_state->discriminant = fd_bpf_upgradeable_loader_state_enum_buffer;
957 0 : buffer_state->inner.buffer.has_authority_address = 1;
958 0 : buffer_state->inner.buffer.authority_address = *authority_key;
959 :
960 0 : err = fd_bpf_loader_v3_program_set_state( &buffer, buffer_state );
961 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
962 0 : return err;
963 0 : }
964 :
965 : /* implicit drop of buffer account */
966 :
967 0 : break;
968 0 : }
969 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L494-L525 */
970 0 : case fd_bpf_upgradeable_loader_program_instruction_enum_write: {
971 0 : if( FD_UNLIKELY( fd_exec_instr_ctx_check_num_insn_accounts( instr_ctx, 2U ) ) ) {
972 0 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
973 0 : }
974 :
975 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L497 */
976 0 : fd_guarded_borrowed_account_t buffer;
977 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 0UL, &buffer );
978 :
979 0 : fd_bpf_upgradeable_loader_state_t * loader_state = fd_bpf_loader_program_get_state( buffer.acct,
980 0 : spad,
981 0 : &err );
982 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
983 0 : return err;
984 0 : }
985 :
986 0 : if( fd_bpf_upgradeable_loader_state_is_buffer( loader_state ) ) {
987 0 : if( FD_UNLIKELY( !loader_state->inner.buffer.has_authority_address ) ) {
988 0 : fd_log_collector_msg_literal( instr_ctx, "Buffer is immutable" );
989 0 : return FD_EXECUTOR_INSTR_ERR_ACC_IMMUTABLE;
990 0 : }
991 :
992 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L505-L507 */
993 0 : fd_pubkey_t const * authority_key = NULL;
994 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 1UL, &authority_key );
995 0 : if( FD_UNLIKELY( err ) ) {
996 0 : return err;
997 0 : }
998 :
999 0 : if( FD_UNLIKELY( !fd_pubkey_eq( &loader_state->inner.buffer.authority_address, authority_key ) ) ) {
1000 0 : fd_log_collector_msg_literal( instr_ctx, "Incorrect buffer authority provided" );
1001 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_AUTHORITY;
1002 0 : }
1003 0 : if( FD_UNLIKELY( !fd_instr_acc_is_signer_idx( instr_ctx->instr, 1UL ) ) ) {
1004 0 : fd_log_collector_msg_literal( instr_ctx, "Buffer authority did not sign" );
1005 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
1006 0 : }
1007 0 : } else {
1008 0 : fd_log_collector_msg_literal( instr_ctx, "Invalid Buffer account" );
1009 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
1010 0 : }
1011 :
1012 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L520 */
1013 0 : fd_borrowed_account_drop( &buffer );
1014 :
1015 0 : ulong program_data_offset = fd_ulong_sat_add( BUFFER_METADATA_SIZE, instruction->inner.write.offset );
1016 0 : err = write_program_data( instr_ctx,
1017 0 : 0UL,
1018 0 : program_data_offset,
1019 0 : instruction->inner.write.bytes,
1020 0 : instruction->inner.write.bytes_len );
1021 0 : if( FD_UNLIKELY( err ) ) {
1022 0 : return err;
1023 0 : }
1024 :
1025 0 : break;
1026 0 : }
1027 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L526-L702 */
1028 0 : case fd_bpf_upgradeable_loader_program_instruction_enum_deploy_with_max_data_len: {
1029 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L527-L541 */
1030 0 : if( FD_UNLIKELY( fd_exec_instr_ctx_check_num_insn_accounts( instr_ctx, 4U ) ) ) {
1031 0 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
1032 0 : }
1033 :
1034 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L529-L534 */
1035 0 : fd_pubkey_t const * payer_key = NULL;
1036 0 : fd_pubkey_t const * programdata_key = NULL;
1037 :
1038 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 0UL, &payer_key );
1039 0 : if( FD_UNLIKELY( err ) ) {
1040 0 : return err;
1041 0 : }
1042 :
1043 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 1UL, &programdata_key );
1044 0 : if( FD_UNLIKELY( err ) ) {
1045 0 : return err;
1046 0 : }
1047 :
1048 : /* rent is accessed directly from the epoch bank and the clock from the
1049 : slot context. However, a check must be done to make sure that the
1050 : sysvars are correctly included in the set of transaction accounts. */
1051 0 : err = fd_sysvar_instr_acct_check( instr_ctx, 4UL, &fd_sysvar_rent_id );
1052 0 : if( FD_UNLIKELY( err ) ) {
1053 0 : return err;
1054 0 : }
1055 0 : err = fd_sysvar_instr_acct_check( instr_ctx, 5UL, &fd_sysvar_clock_id );
1056 0 : if( FD_UNLIKELY( err ) ) {
1057 0 : return err;
1058 0 : }
1059 :
1060 0 : fd_sol_sysvar_clock_t clock_;
1061 0 : fd_sol_sysvar_clock_t const * clock = fd_sysvar_cache_clock_read( instr_ctx->sysvar_cache, &clock_ );
1062 0 : if( FD_UNLIKELY( !clock ) ) {
1063 0 : return FD_EXECUTOR_INSTR_ERR_GENERIC_ERR;
1064 0 : }
1065 :
1066 : /* https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L538 */
1067 0 : if( fd_exec_instr_ctx_check_num_insn_accounts( instr_ctx, 8U ) ) {
1068 0 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
1069 0 : }
1070 :
1071 : /* https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L539-L541 */
1072 0 : fd_pubkey_t const * authority_key = NULL;
1073 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 7UL, &authority_key );
1074 0 : if( FD_UNLIKELY( err ) ) return err;
1075 :
1076 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L542-L560 */
1077 : /* Verify Program account */
1078 :
1079 0 : fd_bpf_upgradeable_loader_state_t * loader_state = NULL;
1080 0 : fd_pubkey_t * new_program_id = NULL;
1081 0 : fd_rent_t const * rent = fd_bank_rent_query( instr_ctx->txn_ctx->bank );
1082 :
1083 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L545 */
1084 0 : fd_guarded_borrowed_account_t program;
1085 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 2UL, &program );
1086 :
1087 0 : loader_state = fd_bpf_loader_program_get_state( program.acct,
1088 0 : spad,
1089 0 : &err );
1090 :
1091 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1092 0 : return err;
1093 0 : }
1094 0 : if( FD_UNLIKELY( !fd_bpf_upgradeable_loader_state_is_uninitialized( loader_state ) ) ) {
1095 0 : fd_log_collector_msg_literal( instr_ctx, "Program account already initialized" );
1096 0 : return FD_EXECUTOR_INSTR_ERR_ACC_ALREADY_INITIALIZED;
1097 0 : }
1098 0 : if( FD_UNLIKELY( fd_borrowed_account_get_data_len( &program )<SIZE_OF_PROGRAM ) ) {
1099 0 : fd_log_collector_msg_literal( instr_ctx, "Program account too small" );
1100 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
1101 0 : }
1102 0 : if( FD_UNLIKELY( fd_borrowed_account_get_lamports( &program )<
1103 0 : fd_rent_exempt_minimum_balance( rent, fd_borrowed_account_get_data_len( &program ) ) ) ) {
1104 0 : fd_log_collector_msg_literal( instr_ctx, "Program account not rent-exempt" );
1105 0 : return FD_EXECUTOR_INSTR_ERR_EXECUTABLE_ACCOUNT_NOT_RENT_EXEMPT;
1106 0 : }
1107 0 : new_program_id = program.acct->pubkey;
1108 :
1109 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L560 */
1110 0 : fd_borrowed_account_drop( &program );
1111 :
1112 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L561-L600 */
1113 : /* Verify Buffer account */
1114 :
1115 0 : fd_pubkey_t * buffer_key = NULL;
1116 0 : ulong buffer_data_offset = 0UL;
1117 0 : ulong buffer_data_len = 0UL;
1118 0 : ulong programdata_len = 0UL;
1119 :
1120 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L564-L565 */
1121 0 : fd_guarded_borrowed_account_t buffer;
1122 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 3UL, &buffer );
1123 :
1124 0 : fd_bpf_upgradeable_loader_state_t * buffer_state = fd_bpf_loader_program_get_state( buffer.acct, spad, &err );
1125 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1126 0 : return err;
1127 0 : }
1128 :
1129 0 : if( fd_bpf_upgradeable_loader_state_is_buffer( buffer_state ) ) {
1130 0 : if( FD_UNLIKELY( (authority_key==NULL) != (!buffer_state->inner.buffer.has_authority_address) ||
1131 0 : (authority_key!=NULL && !fd_pubkey_eq( &buffer_state->inner.buffer.authority_address, authority_key ) ) ) ) {
1132 0 : fd_log_collector_msg_literal( instr_ctx, "Buffer and upgrade authority don't match" );
1133 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_AUTHORITY;
1134 0 : }
1135 0 : if( FD_UNLIKELY( !fd_instr_acc_is_signer_idx( instr_ctx->instr, 7UL ) ) ) {
1136 0 : fd_log_collector_msg_literal( instr_ctx, "Upgrade authority did not sign" );
1137 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
1138 0 : }
1139 0 : } else {
1140 0 : fd_log_collector_msg_literal( instr_ctx, "Invalid Buffer account" );
1141 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1142 0 : }
1143 0 : buffer_key = buffer.acct->pubkey;
1144 0 : buffer_data_offset = BUFFER_METADATA_SIZE;
1145 0 : buffer_data_len = fd_ulong_sat_sub( fd_borrowed_account_get_data_len( &buffer ), buffer_data_offset );
1146 : /* UpgradeableLoaderState::size_of_program_data( max_data_len ) */
1147 0 : programdata_len = fd_ulong_sat_add( PROGRAMDATA_METADATA_SIZE,
1148 0 : instruction->inner.deploy_with_max_data_len.max_data_len );
1149 :
1150 0 : if( FD_UNLIKELY( fd_borrowed_account_get_data_len( &buffer )<BUFFER_METADATA_SIZE || buffer_data_len==0UL ) ) {
1151 0 : fd_log_collector_msg_literal( instr_ctx, "Buffer account too small" );
1152 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
1153 0 : }
1154 :
1155 0 : if( FD_UNLIKELY( instruction->inner.deploy_with_max_data_len.max_data_len<buffer_data_len ) ) {
1156 0 : fd_log_collector_msg_literal( instr_ctx, "Max data length is too small to hold Buffer data" );
1157 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
1158 0 : }
1159 :
1160 0 : if( FD_UNLIKELY( programdata_len>MAX_PERMITTED_DATA_LENGTH ) ) {
1161 0 : fd_log_collector_msg_literal( instr_ctx, "Max data length is too large" );
1162 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1163 0 : }
1164 :
1165 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L590 */
1166 0 : fd_borrowed_account_drop( &buffer );
1167 :
1168 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L602-L608 */
1169 : /* Create ProgramData account */
1170 :
1171 0 : fd_pubkey_t derived_address[ 1UL ];
1172 0 : uchar const * seeds[ 1UL ];
1173 0 : seeds[ 0UL ] = (uchar const *)new_program_id;
1174 0 : ulong seed_sz = sizeof(fd_pubkey_t);
1175 0 : uchar bump_seed = 0;
1176 0 : err = fd_pubkey_find_program_address( program_id, 1UL, seeds, &seed_sz, derived_address,
1177 0 : &bump_seed, &instr_ctx->txn_ctx->custom_err );
1178 0 : if( FD_UNLIKELY( err ) ) {
1179 : /* TODO: We should handle these errors more gracefully instead of just killing the client (e.g. excluding the transaction
1180 : from the block). */
1181 0 : FD_LOG_ERR(( "Unable to find a viable program address bump seed" )); // Solana panics, error code is undefined
1182 0 : return err;
1183 0 : }
1184 0 : if( FD_UNLIKELY( memcmp( derived_address, programdata_key, sizeof(fd_pubkey_t) ) ) ) {
1185 0 : fd_log_collector_msg_literal( instr_ctx, "ProgramData address is not derived" );
1186 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1187 0 : }
1188 :
1189 : /* Drain the Buffer account to payer before paying for programdata account in a local scope
1190 : https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L612-L628 */
1191 :
1192 0 : do {
1193 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L615 */
1194 0 : fd_guarded_borrowed_account_t payer;
1195 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 0UL, &payer );
1196 :
1197 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L613 */
1198 0 : fd_guarded_borrowed_account_t buffer;
1199 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 3UL, &buffer );
1200 :
1201 0 : err = fd_borrowed_account_checked_add_lamports( &payer, fd_borrowed_account_get_lamports( &buffer ) );
1202 0 : if( FD_UNLIKELY( err ) ) {
1203 0 : return err;
1204 0 : }
1205 0 : err = fd_borrowed_account_set_lamports( &buffer, 0UL );
1206 0 : if( FD_UNLIKELY( err ) ) {
1207 0 : return err;
1208 0 : }
1209 0 : } while (0);
1210 :
1211 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L628-L642 */
1212 : /* Pass an extra account to avoid the overly strict unbalanced instruction error */
1213 : /* Invoke the system program to create the new account */
1214 0 : uchar instr_data[FD_TXN_MTU];
1215 0 : fd_system_program_instruction_create_account_t create_acct = {
1216 0 : .lamports = fd_rent_exempt_minimum_balance( rent, programdata_len ),
1217 0 : .space = programdata_len,
1218 0 : .owner = *program_id,
1219 0 : };
1220 0 : if( !create_acct.lamports ) {
1221 0 : create_acct.lamports = 1UL;
1222 0 : }
1223 :
1224 0 : fd_system_program_instruction_t instr = {
1225 0 : .discriminant = fd_system_program_instruction_enum_create_account,
1226 0 : .inner = {
1227 0 : .create_account = create_acct,
1228 0 : }
1229 0 : };
1230 :
1231 0 : fd_bincode_encode_ctx_t encode_ctx = {
1232 0 : .data = instr_data,
1233 0 : .dataend = instr_data + FD_TXN_MTU
1234 0 : };
1235 :
1236 : // This should never fail.
1237 0 : int err = fd_system_program_instruction_encode( &instr, &encode_ctx );
1238 0 : if( FD_UNLIKELY( err ) ) {
1239 0 : return FD_EXECUTOR_INSTR_ERR_FATAL;
1240 0 : }
1241 :
1242 0 : fd_vm_rust_account_meta_t * acct_metas = (fd_vm_rust_account_meta_t*)
1243 0 : fd_spad_alloc( instr_ctx->txn_ctx->spad,
1244 0 : FD_VM_RUST_ACCOUNT_META_ALIGN,
1245 0 : 3UL * sizeof(fd_vm_rust_account_meta_t) );
1246 0 : fd_native_cpi_create_account_meta( payer_key, 1U, 1U, &acct_metas[ 0UL ] );
1247 0 : fd_native_cpi_create_account_meta( programdata_key, 1U, 1U, &acct_metas[ 1UL ] );
1248 0 : fd_native_cpi_create_account_meta( buffer_key, 0U, 1U, &acct_metas[ 2UL ] );
1249 :
1250 : /* caller_program_id == program_id */
1251 0 : fd_pubkey_t signers[ 1UL ];
1252 0 : err = fd_pubkey_derive_pda( program_id, 1UL, seeds, &seed_sz, &bump_seed, signers, &instr_ctx->txn_ctx->custom_err );
1253 0 : if( FD_UNLIKELY( err ) ) {
1254 0 : return err;
1255 0 : }
1256 0 : err = fd_native_cpi_native_invoke( instr_ctx,
1257 0 : &fd_solana_system_program_id,
1258 0 : instr_data,
1259 0 : FD_TXN_MTU,
1260 0 : acct_metas,
1261 0 : 3UL,
1262 0 : signers,
1263 0 : 1UL );
1264 0 : if( FD_UNLIKELY( err ) ) {
1265 0 : return err;
1266 0 : }
1267 :
1268 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L644-L665 */
1269 : /* Load and verify the program bits */
1270 :
1271 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L648-L649 */
1272 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 3UL, &buffer );
1273 :
1274 0 : if( FD_UNLIKELY( buffer_data_offset>fd_borrowed_account_get_data_len( &buffer ) ) ) {
1275 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
1276 0 : }
1277 :
1278 0 : const uchar * buffer_data = fd_borrowed_account_get_data( &buffer ) + buffer_data_offset;
1279 :
1280 0 : err = fd_deploy_program( instr_ctx, program.acct->pubkey, buffer_data, buffer_data_len, instr_ctx->txn_ctx->spad );
1281 0 : if( FD_UNLIKELY( err ) ) {
1282 0 : return err;
1283 0 : }
1284 :
1285 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L657 */
1286 0 : fd_borrowed_account_drop( &buffer );
1287 :
1288 : /* Update the ProgramData account and record the program bits in a local scope
1289 : https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L669-L691 */
1290 0 : do {
1291 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L670-L671 */
1292 0 : fd_guarded_borrowed_account_t programdata;
1293 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 1UL, &programdata );
1294 :
1295 0 : fd_bpf_upgradeable_loader_state_t programdata_loader_state = {
1296 0 : .discriminant = fd_bpf_upgradeable_loader_state_enum_program_data,
1297 0 : .inner.program_data = {
1298 0 : .slot = clock->slot,
1299 0 : .has_upgrade_authority_address = !!authority_key,
1300 0 : .upgrade_authority_address = authority_key ? *authority_key : (fd_pubkey_t){{0}},
1301 0 : },
1302 0 : };
1303 0 : err = fd_bpf_loader_v3_program_set_state( &programdata, &programdata_loader_state );
1304 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1305 0 : return err;
1306 0 : }
1307 :
1308 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L675-L689 */
1309 0 : if( FD_UNLIKELY( PROGRAMDATA_METADATA_SIZE+buffer_data_len>fd_borrowed_account_get_data_len( &programdata ) ) ) {
1310 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
1311 0 : }
1312 0 : if( FD_UNLIKELY( buffer_data_offset>fd_borrowed_account_get_data_len( &buffer ) ) ) {
1313 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
1314 0 : }
1315 :
1316 0 : uchar * programdata_data = NULL;
1317 0 : ulong programdata_dlen = 0UL;
1318 0 : err = fd_borrowed_account_get_data_mut( &programdata, &programdata_data, &programdata_dlen );
1319 0 : if( FD_UNLIKELY( err ) ) {
1320 0 : return err;
1321 0 : }
1322 :
1323 0 : uchar * dst_slice = programdata_data + PROGRAMDATA_METADATA_SIZE;
1324 0 : ulong dst_slice_len = buffer_data_len;
1325 :
1326 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L683-L684 */
1327 0 : fd_guarded_borrowed_account_t buffer;
1328 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 3UL, &buffer );
1329 :
1330 0 : if( FD_UNLIKELY( buffer_data_offset>fd_borrowed_account_get_data_len( &buffer ) ) ) {
1331 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
1332 0 : }
1333 0 : const uchar * src_slice = fd_borrowed_account_get_data( &buffer ) + buffer_data_offset;
1334 0 : fd_memcpy( dst_slice, src_slice, dst_slice_len );
1335 : /* Update buffer data length.
1336 : BUFFER_METADATA_SIZE == UpgradeableLoaderState::size_of_buffer(0) */
1337 0 : err = fd_borrowed_account_set_data_length( &buffer, BUFFER_METADATA_SIZE );
1338 0 : if( FD_UNLIKELY( err ) ) {
1339 0 : return err;
1340 0 : }
1341 0 : } while(0);
1342 :
1343 : /* Max msg_sz: 19 - 2 + 45 = 62 < 127 => we can use printf */
1344 0 : fd_log_collector_printf_dangerous_max_127( instr_ctx, "Deployed program %s", FD_BASE58_ENC_32_ALLOCA( program_id ) );
1345 :
1346 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L692-L699 */
1347 :
1348 : /* Update the Program account
1349 : https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L694-L695 */
1350 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 2UL, &program );
1351 :
1352 0 : loader_state->discriminant = fd_bpf_upgradeable_loader_state_enum_program;
1353 0 : loader_state->inner.program.programdata_address = *programdata_key;
1354 0 : err = fd_bpf_loader_v3_program_set_state( &program, loader_state );
1355 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1356 0 : return err;
1357 0 : }
1358 0 : err = fd_borrowed_account_set_executable( &program, 1 );
1359 0 : if( FD_UNLIKELY( err ) ) {
1360 0 : return err;
1361 0 : }
1362 :
1363 0 : FD_LOG_INFO(( "Program deployed %s", FD_BASE58_ENC_32_ALLOCA( program.acct->pubkey ) ));
1364 :
1365 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L700 */
1366 0 : fd_borrowed_account_drop( &program );
1367 :
1368 0 : break;
1369 0 : }
1370 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L703-L891 */
1371 0 : case fd_bpf_upgradeable_loader_program_instruction_enum_upgrade: {
1372 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L704-L714 */
1373 0 : if( FD_UNLIKELY( fd_exec_instr_ctx_check_num_insn_accounts( instr_ctx, 3U ) ) ) {
1374 0 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
1375 0 : }
1376 :
1377 : /* https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L706-L708 */
1378 0 : fd_pubkey_t const * programdata_key = NULL;
1379 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 0UL, &programdata_key );
1380 0 : if( FD_UNLIKELY( err ) ) {
1381 0 : return err;
1382 0 : }
1383 :
1384 : /* rent is accessed directly from the epoch bank and the clock from the
1385 : slot context. However, a check must be done to make sure that the
1386 : sysvars are correctly included in the set of transaction accounts. */
1387 0 : err = fd_sysvar_instr_acct_check( instr_ctx, 4UL, &fd_sysvar_rent_id );
1388 0 : if( FD_UNLIKELY( err ) ) {
1389 0 : return err;
1390 0 : }
1391 0 : err = fd_sysvar_instr_acct_check( instr_ctx, 5UL, &fd_sysvar_clock_id );
1392 0 : if( FD_UNLIKELY( err ) ) {
1393 0 : return err;
1394 0 : }
1395 :
1396 0 : if( FD_UNLIKELY( fd_exec_instr_ctx_check_num_insn_accounts( instr_ctx, 7U ) ) ) {
1397 0 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
1398 0 : }
1399 :
1400 : /* https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L713-L715 */
1401 0 : fd_pubkey_t const * authority_key = NULL;
1402 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 6UL, &authority_key );
1403 0 : if( FD_UNLIKELY( err ) ) return err;
1404 :
1405 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L716-L745 */
1406 : /* Verify Program account */
1407 :
1408 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L719-L720 */
1409 0 : fd_guarded_borrowed_account_t program;
1410 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 1UL, &program );
1411 :
1412 : /* https://github.com/anza-xyz/agave/blob/89872fdb074e6658646b2b57a299984f0059cc84/programs/bpf_loader/src/lib.rs#L758-L765 */
1413 0 : if( FD_UNLIKELY( !FD_FEATURE_ACTIVE_BANK( instr_ctx->txn_ctx->bank, remove_accounts_executable_flag_checks ) &&
1414 0 : !fd_borrowed_account_is_executable( &program ) ) ) {
1415 0 : fd_log_collector_msg_literal( instr_ctx, "Program account not executable" );
1416 0 : return FD_EXECUTOR_INSTR_ERR_ACC_NOT_EXECUTABLE;
1417 0 : }
1418 0 : if( FD_UNLIKELY( !fd_borrowed_account_is_writable( &program ) ) ) {
1419 0 : fd_log_collector_msg_literal( instr_ctx, "Program account not writeable" );
1420 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1421 0 : }
1422 0 : if( FD_UNLIKELY( memcmp( fd_borrowed_account_get_owner( &program ), program_id, sizeof(fd_pubkey_t) ) ) ) {
1423 0 : fd_log_collector_msg_literal( instr_ctx, "Program account not owned by loader" );
1424 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_PROGRAM_ID;
1425 0 : }
1426 0 : fd_bpf_upgradeable_loader_state_t * program_state = fd_bpf_loader_program_get_state( program.acct, spad, &err );
1427 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1428 0 : return err;
1429 0 : }
1430 0 : if( FD_UNLIKELY( fd_bpf_upgradeable_loader_state_is_program( program_state ) ) ) {
1431 0 : if( FD_UNLIKELY( memcmp( &program_state->inner.program.programdata_address, programdata_key, sizeof(fd_pubkey_t) ) ) ) {
1432 0 : fd_log_collector_msg_literal( instr_ctx, "Program and ProgramData account mismatch" );
1433 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1434 0 : }
1435 0 : } else {
1436 0 : fd_log_collector_msg_literal( instr_ctx, "Invalid Program account" );
1437 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
1438 0 : }
1439 :
1440 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L746 */
1441 0 : fd_borrowed_account_drop( &program );
1442 :
1443 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L747-L773 */
1444 : /* Verify Buffer account */
1445 :
1446 0 : ulong buffer_lamports = 0UL;
1447 0 : ulong buffer_data_offset = 0UL;
1448 0 : ulong buffer_data_len = 0UL;
1449 :
1450 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L750-L751 */
1451 0 : fd_guarded_borrowed_account_t buffer;
1452 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 2UL, &buffer );
1453 :
1454 0 : fd_bpf_upgradeable_loader_state_t * buffer_state = fd_bpf_loader_program_get_state( buffer.acct, spad, &err );
1455 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1456 0 : return err;
1457 0 : }
1458 0 : if( fd_bpf_upgradeable_loader_state_is_buffer( buffer_state ) ) {
1459 0 : if( FD_UNLIKELY( (authority_key==NULL) != (!buffer_state->inner.buffer.has_authority_address) ||
1460 0 : (authority_key!=NULL && !fd_pubkey_eq( &buffer_state->inner.buffer.authority_address, authority_key ) ) ) ) {
1461 0 : fd_log_collector_msg_literal( instr_ctx, "Buffer and upgrade authority don't match" );
1462 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_AUTHORITY;
1463 0 : }
1464 0 : if( FD_UNLIKELY( !fd_instr_acc_is_signer_idx( instr_ctx->instr, 6UL ) ) ) {
1465 0 : fd_log_collector_msg_literal( instr_ctx, "Upgrade authority did not sign" );
1466 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
1467 0 : }
1468 0 : } else {
1469 0 : fd_log_collector_msg_literal( instr_ctx, "Invalid Buffer account" );
1470 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1471 0 : }
1472 0 : buffer_lamports = fd_borrowed_account_get_lamports( &buffer );
1473 0 : buffer_data_offset = BUFFER_METADATA_SIZE;
1474 0 : buffer_data_len = fd_ulong_sat_sub( fd_borrowed_account_get_data_len( &buffer ), buffer_data_offset );
1475 0 : if( FD_UNLIKELY( fd_borrowed_account_get_data_len( &buffer )<BUFFER_METADATA_SIZE || buffer_data_len==0UL ) ) {
1476 0 : fd_log_collector_msg_literal( instr_ctx, "Buffer account too small" );
1477 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
1478 0 : }
1479 :
1480 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L774 */
1481 0 : fd_borrowed_account_drop( &buffer );
1482 :
1483 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L775-L823 */
1484 : /* Verify ProgramData account */
1485 :
1486 0 : ulong programdata_data_offset = PROGRAMDATA_METADATA_SIZE;
1487 0 : fd_bpf_upgradeable_loader_state_t * programdata_state = NULL;
1488 0 : ulong programdata_balance_required = 0UL;
1489 :
1490 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L778-L779 */
1491 0 : fd_guarded_borrowed_account_t programdata;
1492 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 0UL, &programdata );
1493 :
1494 0 : fd_rent_t const * rent = fd_bank_rent_query( instr_ctx->txn_ctx->bank );
1495 :
1496 0 : programdata_balance_required = fd_ulong_max( 1UL, fd_rent_exempt_minimum_balance( rent, fd_borrowed_account_get_data_len( &programdata ) ) );
1497 :
1498 0 : if( FD_UNLIKELY( fd_borrowed_account_get_data_len( &programdata )<fd_ulong_sat_add( PROGRAMDATA_METADATA_SIZE, buffer_data_len ) ) ) {
1499 0 : fd_log_collector_msg_literal( instr_ctx, "ProgramData account not large enough" );
1500 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
1501 0 : }
1502 0 : if( FD_UNLIKELY( fd_ulong_sat_add( fd_borrowed_account_get_lamports( &programdata ), buffer_lamports )<programdata_balance_required ) ) {
1503 0 : fd_log_collector_msg_literal( instr_ctx, "Buffer account balance too low to fund upgrade" );
1504 0 : return FD_EXECUTOR_INSTR_ERR_INSUFFICIENT_FUNDS;
1505 0 : }
1506 0 : programdata_state = fd_bpf_loader_program_get_state( programdata.acct, spad, &err );
1507 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1508 0 : return err;
1509 0 : }
1510 :
1511 0 : fd_sol_sysvar_clock_t clock_;
1512 0 : fd_sol_sysvar_clock_t const * clock = fd_sysvar_cache_clock_read( instr_ctx->sysvar_cache, &clock_ );
1513 0 : if( FD_UNLIKELY( !clock ) ) {
1514 0 : return FD_EXECUTOR_INSTR_ERR_GENERIC_ERR;
1515 0 : }
1516 :
1517 0 : if( fd_bpf_upgradeable_loader_state_is_program_data( programdata_state ) ) {
1518 0 : if( FD_UNLIKELY( clock->slot==programdata_state->inner.program_data.slot ) ) {
1519 0 : fd_log_collector_msg_literal( instr_ctx, "Program was deployed in this block already" );
1520 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1521 0 : }
1522 0 : if( FD_UNLIKELY( !programdata_state->inner.program_data.has_upgrade_authority_address ) ) {
1523 0 : fd_log_collector_msg_literal( instr_ctx, "Prrogram not upgradeable" );
1524 0 : return FD_EXECUTOR_INSTR_ERR_ACC_IMMUTABLE;
1525 0 : }
1526 0 : if( FD_UNLIKELY( !fd_pubkey_eq( &programdata_state->inner.program_data.upgrade_authority_address, authority_key ) ) ) {
1527 0 : fd_log_collector_msg_literal( instr_ctx, "Incorrect upgrade authority provided" );
1528 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_AUTHORITY;
1529 0 : }
1530 0 : if( FD_UNLIKELY( !fd_instr_acc_is_signer_idx( instr_ctx->instr, 6UL ) ) ) {
1531 0 : fd_log_collector_msg_literal( instr_ctx, "Upgrade authority did not sign" );
1532 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
1533 0 : }
1534 0 : } else {
1535 0 : fd_log_collector_msg_literal( instr_ctx, "Invalid ProgramData account" );
1536 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
1537 0 : }
1538 :
1539 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L824 */
1540 0 : fd_borrowed_account_drop( &programdata );
1541 :
1542 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L825-L845 */
1543 : /* Load and verify the program bits */
1544 :
1545 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L827-L828 */
1546 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 2UL, &buffer );
1547 :
1548 0 : if( FD_UNLIKELY( buffer_data_offset>fd_borrowed_account_get_data_len( &buffer ) ) ) {
1549 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
1550 0 : }
1551 :
1552 0 : const uchar * buffer_data = fd_borrowed_account_get_data( &buffer ) + buffer_data_offset;
1553 0 : err = fd_deploy_program( instr_ctx, program.acct->pubkey, buffer_data, buffer_data_len, instr_ctx->txn_ctx->spad );
1554 0 : if( FD_UNLIKELY( err ) ) {
1555 0 : return err;
1556 0 : }
1557 :
1558 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L836 */
1559 0 : fd_borrowed_account_drop( &buffer );
1560 :
1561 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L849-L850 */
1562 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 0UL, &programdata );
1563 :
1564 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L846-L874 */
1565 : /* Update the ProgramData account, record the upgraded data, and zero the rest in a local scope */
1566 0 : do {
1567 0 : programdata_state->discriminant = fd_bpf_upgradeable_loader_state_enum_program_data;
1568 0 : programdata_state->inner.program_data.slot = clock->slot;
1569 0 : programdata_state->inner.program_data.has_upgrade_authority_address = 1;
1570 0 : programdata_state->inner.program_data.upgrade_authority_address = *authority_key;
1571 0 : err = fd_bpf_loader_v3_program_set_state( &programdata, programdata_state );
1572 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1573 0 : return err;
1574 0 : }
1575 :
1576 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L846-L875 */
1577 : /* We want to copy over the data and zero out the rest */
1578 0 : if( FD_UNLIKELY( programdata_data_offset+buffer_data_len>fd_borrowed_account_get_data_len( &programdata ) ) ) {
1579 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
1580 0 : }
1581 :
1582 0 : uchar * programdata_data = NULL;
1583 0 : ulong programdata_dlen = 0UL;
1584 0 : err = fd_borrowed_account_get_data_mut( &programdata, &programdata_data, &programdata_dlen );
1585 0 : if( FD_UNLIKELY( err ) ) {
1586 0 : return err;
1587 0 : }
1588 0 : uchar * dst_slice = programdata_data + programdata_data_offset;
1589 0 : ulong dst_slice_len = buffer_data_len;
1590 :
1591 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L863-L864 */
1592 0 : fd_guarded_borrowed_account_t buffer;
1593 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 2UL, &buffer );
1594 :
1595 0 : if( FD_UNLIKELY( buffer_data_offset>fd_borrowed_account_get_data_len( &buffer ) ) ){
1596 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
1597 0 : }
1598 :
1599 0 : const uchar * src_slice = fd_borrowed_account_get_data( &buffer ) + buffer_data_offset;
1600 0 : fd_memcpy( dst_slice, src_slice, dst_slice_len );
1601 0 : fd_memset( dst_slice + dst_slice_len, 0, fd_borrowed_account_get_data_len( &programdata ) - programdata_data_offset - dst_slice_len );
1602 :
1603 : /* implicit drop of buffer */
1604 0 : } while (0);
1605 :
1606 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L876-L891 */
1607 : /* Fund ProgramData to rent-exemption, spill the rest */
1608 :
1609 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L878-L879 */
1610 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 2UL, &buffer );
1611 :
1612 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L880-L881 */
1613 0 : fd_guarded_borrowed_account_t spill;
1614 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 3UL, &spill );
1615 :
1616 0 : ulong spill_addend = fd_ulong_sat_sub( fd_ulong_sat_add( fd_borrowed_account_get_lamports( &programdata ), buffer_lamports ),
1617 0 : programdata_balance_required );
1618 0 : err = fd_borrowed_account_checked_add_lamports( &spill, spill_addend );
1619 0 : if( FD_UNLIKELY( err ) ) {
1620 0 : return err;
1621 0 : }
1622 0 : err = fd_borrowed_account_set_lamports( &buffer, 0UL );
1623 0 : if( FD_UNLIKELY( err ) ) {
1624 0 : return err;
1625 0 : }
1626 0 : err = fd_borrowed_account_set_lamports( &programdata, programdata_balance_required );
1627 0 : if( FD_UNLIKELY( err ) ) {
1628 0 : return err;
1629 0 : }
1630 :
1631 : /* Buffer account set_data_length */
1632 0 : err = fd_borrowed_account_set_data_length( &buffer, BUFFER_METADATA_SIZE );
1633 0 : if( FD_UNLIKELY( err ) ) {
1634 0 : return err;
1635 0 : }
1636 :
1637 : /* buffer is dropped when it goes out of scope */
1638 : /* spill is dropped when it goes out of scope */
1639 : /* programdata is dropped when it goes out of scope */
1640 :
1641 : /* Max msg_sz: 19 - 2 + 45 = 62 < 127 => we can use printf */
1642 : //TODO: this is likely the incorrect program_id, do we have new_program_id?
1643 0 : fd_log_collector_printf_dangerous_max_127( instr_ctx, "Upgraded program %s", FD_BASE58_ENC_32_ALLOCA( program_id ) );
1644 :
1645 0 : break;
1646 0 : }
1647 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L893-L957 */
1648 0 : case fd_bpf_upgradeable_loader_program_instruction_enum_set_authority: {
1649 0 : int err;
1650 0 : if( FD_UNLIKELY( fd_exec_instr_ctx_check_num_insn_accounts( instr_ctx, 2U ) ) ) {
1651 0 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
1652 0 : }
1653 :
1654 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L896-L897 */
1655 0 : fd_guarded_borrowed_account_t account;
1656 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 0UL, &account );
1657 :
1658 : /* https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L898-L900 */
1659 0 : fd_pubkey_t const * present_authority_key = NULL;
1660 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 1UL, &present_authority_key );
1661 0 : if( FD_UNLIKELY( err ) ) {
1662 0 : return err;
1663 0 : }
1664 :
1665 : /* Don't check the error here because the new_authority key is allowed to be NULL until further checks.
1666 : https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L901-L906 */
1667 0 : fd_pubkey_t const * new_authority = NULL;
1668 0 : fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 2UL, &new_authority );
1669 :
1670 0 : fd_bpf_upgradeable_loader_state_t * account_state = fd_bpf_loader_program_get_state( account.acct,
1671 0 : spad,
1672 0 : &err );
1673 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1674 0 : return err;
1675 0 : }
1676 :
1677 0 : if( fd_bpf_upgradeable_loader_state_is_buffer( account_state ) ) {
1678 0 : if( FD_UNLIKELY( !new_authority ) ) {
1679 0 : fd_log_collector_msg_literal( instr_ctx, "Buffer authority is not optional" );
1680 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_AUTHORITY;
1681 0 : }
1682 0 : if( FD_UNLIKELY( !account_state->inner.buffer.has_authority_address ) ) {
1683 0 : fd_log_collector_msg_literal( instr_ctx, "Buffer is immutable" );
1684 0 : return FD_EXECUTOR_INSTR_ERR_ACC_IMMUTABLE;
1685 0 : }
1686 0 : if( FD_UNLIKELY( !fd_pubkey_eq( &account_state->inner.buffer.authority_address, present_authority_key ) ) ) {
1687 0 : fd_log_collector_msg_literal( instr_ctx, "Incorrect buffer authority provided" );
1688 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_AUTHORITY;
1689 0 : }
1690 0 : if( FD_UNLIKELY( !fd_instr_acc_is_signer_idx( instr_ctx->instr, 1UL ) ) ) {
1691 0 : fd_log_collector_msg_literal( instr_ctx, "Buffer authority did not sign" );
1692 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
1693 0 : }
1694 :
1695 : /* copy in the authority public key into the authority address.
1696 : https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L926-L928 */
1697 0 : account_state->inner.buffer.has_authority_address = !!new_authority;
1698 0 : if( new_authority ) {
1699 0 : account_state->inner.buffer.authority_address = *new_authority;
1700 0 : }
1701 :
1702 0 : err = fd_bpf_loader_v3_program_set_state( &account, account_state );
1703 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1704 0 : return err;
1705 0 : }
1706 0 : } else if( fd_bpf_upgradeable_loader_state_is_program_data( account_state ) ) {
1707 0 : if( FD_UNLIKELY( !account_state->inner.program_data.has_upgrade_authority_address ) ) {
1708 0 : fd_log_collector_msg_literal( instr_ctx, "Program not upgradeable" );
1709 0 : return FD_EXECUTOR_INSTR_ERR_ACC_IMMUTABLE;
1710 0 : }
1711 0 : if( FD_UNLIKELY( !fd_pubkey_eq( &account_state->inner.program_data.upgrade_authority_address, present_authority_key ) ) ) {
1712 0 : fd_log_collector_msg_literal( instr_ctx, "Incorrect upgrade authority provided" );
1713 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_AUTHORITY;
1714 0 : }
1715 0 : if( FD_UNLIKELY( !fd_instr_acc_is_signer_idx( instr_ctx->instr, 1UL ) ) ) {
1716 0 : fd_log_collector_msg_literal( instr_ctx, "Upgrade authority did not sign" );
1717 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
1718 0 : }
1719 :
1720 : /* copy in the authority public key into the upgrade authority address.
1721 : https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L946-L949 */
1722 0 : account_state->inner.program_data.has_upgrade_authority_address = !!new_authority;
1723 0 : if( new_authority ) {
1724 0 : account_state->inner.program_data.upgrade_authority_address = *new_authority;
1725 0 : }
1726 :
1727 0 : err = fd_bpf_loader_v3_program_set_state( &account, account_state );
1728 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1729 0 : return err;
1730 0 : }
1731 0 : } else {
1732 0 : fd_log_collector_msg_literal( instr_ctx, "Account does not support authorities" );
1733 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1734 0 : }
1735 :
1736 : /* Max msg_sz: 16 - 2 + 45 = 59 < 127 => we can use printf */
1737 0 : if( new_authority ) {
1738 0 : fd_log_collector_printf_dangerous_max_127( instr_ctx, "New authority Some(%s)", FD_BASE58_ENC_32_ALLOCA( new_authority ) );
1739 0 : } else {
1740 0 : fd_log_collector_printf_dangerous_max_127( instr_ctx, "New authority None" );
1741 0 : }
1742 :
1743 : /* implicit drop of account */
1744 :
1745 0 : break;
1746 0 : }
1747 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L958-L1030 */
1748 0 : case fd_bpf_upgradeable_loader_program_instruction_enum_set_authority_checked: {
1749 0 : int err;
1750 0 : if( !FD_FEATURE_ACTIVE_BANK( instr_ctx->txn_ctx->bank, enable_bpf_loader_set_authority_checked_ix ) ) {
1751 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
1752 0 : }
1753 :
1754 0 : if( FD_UNLIKELY( fd_exec_instr_ctx_check_num_insn_accounts( instr_ctx, 3U ) ) ) {
1755 0 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
1756 0 : }
1757 :
1758 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L968-L969 */
1759 0 : fd_guarded_borrowed_account_t account;
1760 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 0UL, &account );
1761 :
1762 : /* https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L970-L975 */
1763 0 : fd_pubkey_t const * present_authority_key = NULL;
1764 0 : fd_pubkey_t const * new_authority_key = NULL;
1765 :
1766 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 1UL, &present_authority_key );
1767 0 : if( FD_UNLIKELY( err ) ) return err;
1768 :
1769 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 2UL, &new_authority_key );
1770 0 : if( FD_UNLIKELY( err ) ) return err;
1771 :
1772 0 : fd_bpf_upgradeable_loader_state_t * account_state = fd_bpf_loader_program_get_state( account.acct, spad, &err );
1773 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1774 0 : return err;
1775 0 : }
1776 :
1777 0 : if( fd_bpf_upgradeable_loader_state_is_buffer( account_state ) ) {
1778 0 : if( FD_UNLIKELY( !account_state->inner.buffer.has_authority_address ) ) {
1779 0 : fd_log_collector_msg_literal( instr_ctx, "Buffer is immutable" );
1780 0 : return FD_EXECUTOR_INSTR_ERR_ACC_IMMUTABLE;
1781 0 : }
1782 0 : if( FD_UNLIKELY( !fd_pubkey_eq( &account_state->inner.buffer.authority_address, present_authority_key ) ) ) {
1783 0 : fd_log_collector_msg_literal( instr_ctx, "Incorrect buffer authority provided" );
1784 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_AUTHORITY;
1785 0 : }
1786 0 : if( FD_UNLIKELY( !fd_instr_acc_is_signer_idx( instr_ctx->instr, 1UL ) ) ) {
1787 0 : fd_log_collector_msg_literal( instr_ctx, "Buffer authority did not sign" );
1788 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
1789 0 : }
1790 0 : if( FD_UNLIKELY( !fd_instr_acc_is_signer_idx( instr_ctx->instr, 2UL ) ) ) {
1791 0 : fd_log_collector_msg_literal( instr_ctx, "New authority did not sign" );
1792 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
1793 0 : }
1794 0 : account_state->inner.buffer.has_authority_address = 1;
1795 0 : account_state->inner.buffer.authority_address = *new_authority_key;
1796 0 : err = fd_bpf_loader_v3_program_set_state( &account, account_state );
1797 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1798 0 : return err;
1799 0 : }
1800 0 : } else if( fd_bpf_upgradeable_loader_state_is_program_data( account_state ) ) {
1801 0 : if( FD_UNLIKELY( !account_state->inner.program_data.has_upgrade_authority_address ) ) {
1802 0 : fd_log_collector_msg_literal( instr_ctx, "Program not upgradeable" );
1803 0 : return FD_EXECUTOR_INSTR_ERR_ACC_IMMUTABLE;
1804 0 : }
1805 0 : if( FD_UNLIKELY( !fd_pubkey_eq( &account_state->inner.program_data.upgrade_authority_address, present_authority_key ) ) ) {
1806 0 : fd_log_collector_msg_literal( instr_ctx, "Incorrect upgrade authority provided" );
1807 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_AUTHORITY;
1808 0 : }
1809 0 : if( FD_UNLIKELY( !fd_instr_acc_is_signer_idx( instr_ctx->instr, 1UL ) ) ) {
1810 0 : fd_log_collector_msg_literal( instr_ctx, "Upgrade authority did not sign" );
1811 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
1812 0 : }
1813 0 : if( FD_UNLIKELY( !fd_instr_acc_is_signer_idx( instr_ctx->instr, 2UL ) ) ) {
1814 0 : fd_log_collector_msg_literal( instr_ctx, "New authority did not sign" );
1815 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
1816 0 : }
1817 0 : account_state->inner.program_data.has_upgrade_authority_address = 1;
1818 0 : account_state->inner.program_data.upgrade_authority_address = *new_authority_key;
1819 0 : err = fd_bpf_loader_v3_program_set_state( &account, account_state );
1820 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1821 0 : return err;
1822 0 : }
1823 0 : } else {
1824 0 : fd_log_collector_msg_literal( instr_ctx, "Account does not support authorities" );
1825 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1826 0 : }
1827 :
1828 : /* Max msg_sz: 16 - 2 + 45 = 59 < 127 => we can use printf */
1829 0 : fd_log_collector_printf_dangerous_max_127( instr_ctx, "New authority %s", FD_BASE58_ENC_32_ALLOCA( new_authority_key ) );
1830 :
1831 : /* implicit drop of account */
1832 :
1833 0 : break;
1834 0 : }
1835 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L1031-L1134 */
1836 0 : case fd_bpf_upgradeable_loader_program_instruction_enum_close: {
1837 0 : int err;
1838 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L1032-L1046 */
1839 0 : if( FD_UNLIKELY( fd_exec_instr_ctx_check_num_insn_accounts( instr_ctx, 2U ) ) ) {
1840 0 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
1841 0 : }
1842 :
1843 : /* It's safe to directly access the instruction accounts because we already checked for two
1844 : instruction accounts previously.
1845 : https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L1034-L1035 */
1846 0 : if( FD_UNLIKELY( instr_ctx->instr->accounts[ 0UL ].index_in_transaction ==
1847 0 : instr_ctx->instr->accounts[ 1UL ].index_in_transaction ) ) {
1848 0 : fd_log_collector_msg_literal( instr_ctx, "Recipient is the same as the account being closed" );
1849 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1850 0 : }
1851 :
1852 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L1043-L1044 */
1853 0 : fd_guarded_borrowed_account_t close_account;
1854 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 0UL, &close_account );
1855 :
1856 0 : fd_pubkey_t * close_key = close_account.acct->pubkey;
1857 0 : fd_bpf_upgradeable_loader_state_t * close_account_state = fd_bpf_loader_program_get_state( close_account.acct, spad, &err );
1858 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1859 0 : return err;
1860 0 : }
1861 : /* Close account set data length */
1862 0 : err = fd_borrowed_account_set_data_length( &close_account, SIZE_OF_UNINITIALIZED );
1863 0 : if( FD_UNLIKELY( err ) ) {
1864 0 : return err;
1865 0 : }
1866 :
1867 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L1049-L1056 */
1868 0 : if( fd_bpf_upgradeable_loader_state_is_uninitialized( close_account_state ) ) {
1869 :
1870 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L1050-L1051 */
1871 0 : fd_guarded_borrowed_account_t recipient_account;
1872 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 1UL, &recipient_account );
1873 :
1874 0 : err = fd_borrowed_account_checked_add_lamports( &recipient_account, fd_borrowed_account_get_lamports( &close_account ) );
1875 0 : if( FD_UNLIKELY( err ) ) {
1876 0 : return err;
1877 0 : }
1878 0 : err = fd_borrowed_account_set_lamports( &close_account, 0UL );
1879 0 : if( FD_UNLIKELY( err ) ) {
1880 0 : return err;
1881 0 : }
1882 : /* Max msg_sz: 23 - 2 + 45 = 66 < 127 => we can use printf */
1883 0 : fd_log_collector_printf_dangerous_max_127( instr_ctx,
1884 0 : "Closed Uninitialized %s", FD_BASE58_ENC_32_ALLOCA( close_key ) );
1885 :
1886 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L1057-L1068 */
1887 0 : } else if( fd_bpf_upgradeable_loader_state_is_buffer( close_account_state ) ) {
1888 :
1889 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L1059 */
1890 0 : fd_borrowed_account_drop( &close_account );
1891 :
1892 0 : if( FD_UNLIKELY( fd_exec_instr_ctx_check_num_insn_accounts( instr_ctx, 3U ) ) ) {
1893 0 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
1894 0 : }
1895 :
1896 0 : fd_bpf_upgradeable_loader_state_buffer_t * state_buf = &close_account_state->inner.buffer;
1897 0 : err = common_close_account(
1898 0 : state_buf->has_authority_address ? &state_buf->authority_address : NULL,
1899 0 : instr_ctx,
1900 0 : close_account_state );
1901 0 : if( FD_UNLIKELY( err ) ) return err;
1902 :
1903 : /* Max msg_sz: 16 - 2 + 45 = 63 < 127 => we can use printf */
1904 0 : fd_log_collector_printf_dangerous_max_127( instr_ctx,
1905 0 : "Closed Buffer %s", FD_BASE58_ENC_32_ALLOCA( close_key ) );
1906 :
1907 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L1069-L1129 */
1908 0 : } else if( fd_bpf_upgradeable_loader_state_is_program_data( close_account_state ) ) {
1909 0 : int err;
1910 0 : if( FD_UNLIKELY( fd_exec_instr_ctx_check_num_insn_accounts( instr_ctx, 4U ) ) ) {
1911 0 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
1912 0 : }
1913 :
1914 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L1074 */
1915 0 : fd_borrowed_account_drop( &close_account );
1916 :
1917 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L1075-L1076 */
1918 0 : fd_guarded_borrowed_account_t program_account;
1919 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK(instr_ctx, 3UL, &program_account );
1920 :
1921 0 : if( FD_UNLIKELY( !fd_borrowed_account_is_writable( &program_account ) ) ) {
1922 0 : fd_log_collector_msg_literal( instr_ctx, "Program account is not writable" );
1923 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1924 0 : }
1925 0 : if( FD_UNLIKELY( memcmp( fd_borrowed_account_get_owner( &program_account ), program_id, sizeof(fd_pubkey_t) ) ) ) {
1926 0 : fd_log_collector_msg_literal( instr_ctx, "Program account not owned by loader" );
1927 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_PROGRAM_ID;
1928 0 : }
1929 0 : fd_sol_sysvar_clock_t clock_;
1930 0 : fd_sol_sysvar_clock_t const * clock = fd_sysvar_cache_clock_read( instr_ctx->sysvar_cache, &clock_ );
1931 0 : if( FD_UNLIKELY( !clock ) ) {
1932 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
1933 0 : }
1934 0 : if( FD_UNLIKELY( clock->slot==close_account_state->inner.program_data.slot ) ) {
1935 0 : fd_log_collector_msg_literal( instr_ctx,"Program was deployed in this block already" );
1936 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1937 0 : }
1938 :
1939 0 : fd_bpf_upgradeable_loader_state_t * program_state = fd_bpf_loader_program_get_state( program_account.acct, spad, &err );
1940 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1941 0 : return err;
1942 0 : }
1943 0 : if( fd_bpf_upgradeable_loader_state_is_program( program_state ) ) {
1944 0 : if( FD_UNLIKELY( memcmp( &program_state->inner.program.programdata_address, close_key, sizeof(fd_pubkey_t) ) ) ) {
1945 0 : fd_log_collector_msg_literal( instr_ctx,"Program account does not match ProgramData account" );
1946 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1947 0 : }
1948 :
1949 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L1105 */
1950 0 : fd_borrowed_account_drop( &program_account );
1951 :
1952 0 : fd_bpf_upgradeable_loader_state_program_data_t * pd = &close_account_state->inner.program_data;
1953 0 : err = common_close_account(
1954 0 : pd->has_upgrade_authority_address ? &pd->upgrade_authority_address : NULL,
1955 0 : instr_ctx,
1956 0 : close_account_state );
1957 0 : if( FD_UNLIKELY( err ) ) return err;
1958 :
1959 : /* The Agave client updates the account state upon closing an account
1960 : in their loaded program cache. Checking for a program can be
1961 : checked by checking to see if the programdata account's loader state
1962 : is unitialized. The firedancer implementation also removes closed
1963 : accounts from the loaded program cache at the end of a slot. Closed
1964 : accounts are not checked from the cache, instead the account state
1965 : is looked up. */
1966 :
1967 0 : } else {
1968 0 : fd_log_collector_msg_literal( instr_ctx, "Invalid program account" );
1969 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1970 0 : }
1971 :
1972 : /* Max msg_sz: 17 - 2 + 45 = 60 < 127 => we can use printf */
1973 0 : fd_log_collector_printf_dangerous_max_127( instr_ctx,
1974 0 : "Closed Program %s", FD_BASE58_ENC_32_ALLOCA( close_key ) );
1975 :
1976 : /* program account is dropped when it goes out of scope */
1977 0 : } else {
1978 0 : fd_log_collector_msg_literal( instr_ctx, "Account does not support closing" );
1979 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1980 0 : }
1981 :
1982 : /* implicit drop of close account */
1983 0 : break;
1984 0 : }
1985 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1158-L1170 */
1986 0 : case fd_bpf_upgradeable_loader_program_instruction_enum_extend_program: {
1987 0 : if( FD_UNLIKELY( FD_FEATURE_ACTIVE_BANK( instr_ctx->txn_ctx->bank, enable_extend_program_checked ) ) ) {
1988 0 : fd_log_collector_msg_literal( instr_ctx, "ExtendProgram was superseded by ExtendProgramChecked" );
1989 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
1990 0 : }
1991 0 : err = common_extend_program( instr_ctx, instruction->inner.extend_program.additional_bytes, 0 );
1992 0 : if( FD_UNLIKELY( err ) ) {
1993 0 : return err;
1994 0 : }
1995 :
1996 0 : break;
1997 0 : }
1998 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1171-L1179 */
1999 0 : case fd_bpf_upgradeable_loader_program_instruction_enum_extend_program_checked: {
2000 0 : if( FD_UNLIKELY( !FD_FEATURE_ACTIVE_BANK( instr_ctx->txn_ctx->bank, enable_extend_program_checked ) ) ) {
2001 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
2002 0 : }
2003 0 : err = common_extend_program( instr_ctx, instruction->inner.extend_program_checked.additional_bytes, 1 );
2004 0 : if( FD_UNLIKELY( err ) ) {
2005 0 : return err;
2006 0 : }
2007 :
2008 0 : break;
2009 0 : }
2010 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1338-L1508 */
2011 0 : case fd_bpf_upgradeable_loader_program_instruction_enum_migrate: {
2012 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1339-L1344 */
2013 0 : if( FD_UNLIKELY( !FD_FEATURE_ACTIVE_BANK( instr_ctx->txn_ctx->bank, enable_loader_v4 ) ) ) {
2014 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
2015 0 : }
2016 :
2017 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1346 */
2018 0 : if( FD_UNLIKELY( fd_exec_instr_ctx_check_num_insn_accounts( instr_ctx, 3U ) ) ) {
2019 0 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
2020 0 : }
2021 :
2022 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1347-L1349 */
2023 0 : fd_pubkey_t const * programdata_address = NULL;
2024 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 0UL, &programdata_address );
2025 0 : if( FD_UNLIKELY( err ) ) {
2026 0 : return err;
2027 0 : }
2028 :
2029 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1350-L1352 */
2030 0 : fd_pubkey_t const * program_address = NULL;
2031 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 1UL, &program_address );
2032 0 : if( FD_UNLIKELY( err ) ) {
2033 0 : return err;
2034 0 : }
2035 :
2036 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1353-L1355 */
2037 0 : fd_pubkey_t const * provided_authority_address = NULL;
2038 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 2UL, &provided_authority_address );
2039 0 : if( FD_UNLIKELY( err ) ) {
2040 0 : return err;
2041 0 : }
2042 :
2043 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1356-L1359 */
2044 0 : fd_sol_sysvar_clock_t clock_;
2045 0 : fd_sol_sysvar_clock_t const * clock = fd_sysvar_cache_clock_read( instr_ctx->sysvar_cache, &clock_ );
2046 0 : if( FD_UNLIKELY( !clock ) ) {
2047 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
2048 0 : }
2049 0 : ulong clock_slot = clock->slot;
2050 :
2051 : /* Verify ProgramData account
2052 : https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1362-L1363 */
2053 0 : fd_guarded_borrowed_account_t programdata;
2054 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 0UL, &programdata );
2055 :
2056 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1364-L1367 */
2057 0 : if( FD_UNLIKELY( !fd_borrowed_account_is_writable( &programdata ) ) ) {
2058 0 : fd_log_collector_msg_literal( instr_ctx, "ProgramData account not writeable" );
2059 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
2060 0 : }
2061 :
2062 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1368-L1387 */
2063 0 : ulong program_len = 0UL;
2064 0 : fd_pubkey_t * upgrade_authority_address = NULL;
2065 0 : fd_bpf_upgradeable_loader_state_t * programdata_state = fd_bpf_loader_program_get_state( programdata.acct, spad, &err );
2066 0 : if( FD_LIKELY( err==FD_BINCODE_SUCCESS && fd_bpf_upgradeable_loader_state_is_program_data( programdata_state ) ) ) {
2067 :
2068 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1374-L1377 */
2069 0 : if( FD_UNLIKELY( clock_slot==programdata_state->inner.program_data.slot ) ) {
2070 0 : fd_log_collector_msg_literal( instr_ctx, "Program was deployed in this block already" );
2071 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
2072 0 : }
2073 :
2074 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1378-L1384 */
2075 0 : program_len = fd_ulong_sat_sub( fd_borrowed_account_get_data_len( &programdata ), PROGRAMDATA_METADATA_SIZE );
2076 0 : fd_bpf_upgradeable_loader_state_program_data_t * pd = &programdata_state->inner.program_data;
2077 0 : upgrade_authority_address = pd->has_upgrade_authority_address ? &programdata_state->inner.program_data.upgrade_authority_address : NULL;
2078 0 : }
2079 :
2080 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1388 */
2081 0 : ulong programdata_funds = fd_borrowed_account_get_lamports( &programdata );
2082 :
2083 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1389 */
2084 0 : fd_borrowed_account_drop( &programdata );
2085 :
2086 : /* Verify authority signature
2087 : https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1391-L1398 */
2088 0 : fd_pubkey_t const * authority_key_to_compare = upgrade_authority_address ? upgrade_authority_address : program_address;
2089 0 : if( FD_UNLIKELY( memcmp( fd_solana_migration_authority.key, provided_authority_address->key, sizeof(fd_pubkey_t) ) &&
2090 0 : memcmp( authority_key_to_compare->key, provided_authority_address->key, sizeof(fd_pubkey_t) ) ) ) {
2091 0 : fd_log_collector_msg_literal( instr_ctx, "Incorrect migration authority provided" );
2092 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_AUTHORITY;
2093 0 : }
2094 :
2095 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1399-L1402 */
2096 0 : if( FD_UNLIKELY( !instr_ctx->instr->accounts[ 2UL ].is_signer ) ) {
2097 0 : fd_log_collector_msg_literal( instr_ctx, "Migration authority did not sign" );
2098 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
2099 0 : }
2100 :
2101 : /* Verify Program account
2102 : https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1404-L1406 */
2103 0 : fd_guarded_borrowed_account_t program;
2104 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 1UL, &program );
2105 :
2106 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1407-L1410 */
2107 0 : if( FD_UNLIKELY( !fd_borrowed_account_is_writable( &program ) ) ) {
2108 0 : fd_log_collector_msg_literal( instr_ctx, "Program account not writeable" );
2109 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
2110 0 : }
2111 :
2112 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1411-L1414 */
2113 0 : if( FD_UNLIKELY( memcmp( fd_borrowed_account_get_owner( &program ), program_id, sizeof(fd_pubkey_t) ) ) ) {
2114 0 : fd_log_collector_msg_literal( instr_ctx, "Program account not owned by loader" );
2115 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_PROGRAM_ID;
2116 0 : }
2117 :
2118 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1415-L1426 */
2119 0 : fd_bpf_upgradeable_loader_state_t * program_state = fd_bpf_loader_program_get_state( program.acct, spad, &err );
2120 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
2121 0 : return err;
2122 0 : }
2123 :
2124 0 : if( FD_LIKELY( fd_bpf_upgradeable_loader_state_is_program( program_state ) ) ) {
2125 0 : if( FD_UNLIKELY( memcmp( programdata_address->key, program_state->inner.program.programdata_address.key, sizeof(fd_pubkey_t) ) ) ) {
2126 0 : fd_log_collector_msg_literal( instr_ctx, "Program and ProgramData account mismatch" );
2127 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
2128 0 : }
2129 0 : } else {
2130 0 : fd_log_collector_msg_literal( instr_ctx, "Invalid Program account" );
2131 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
2132 0 : }
2133 :
2134 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1427 */
2135 0 : err = fd_borrowed_account_set_data_from_slice( &program, NULL, 0UL );
2136 0 : if( FD_UNLIKELY( err ) ) {
2137 0 : return err;
2138 0 : }
2139 :
2140 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1428 */
2141 0 : err = fd_borrowed_account_checked_add_lamports( &program , programdata_funds );
2142 0 : if( FD_UNLIKELY( err ) ) {
2143 0 : return err;
2144 0 : }
2145 :
2146 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/programs/bpf_loader/src/lib.rs#L1268 */
2147 0 : err = fd_borrowed_account_set_owner( &program, &fd_solana_bpf_loader_v4_program_id );
2148 0 : if( FD_UNLIKELY( err ) ) {
2149 0 : return err;
2150 0 : }
2151 :
2152 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1434 */
2153 0 : fd_borrowed_account_drop( &program );
2154 :
2155 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1436-L1437 */
2156 0 : err = fd_exec_instr_ctx_try_borrow_instr_account( instr_ctx , 0U, &programdata );
2157 0 : if( FD_UNLIKELY( err ) ) {
2158 0 : return err;
2159 0 : }
2160 :
2161 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1438 */
2162 0 : err = fd_borrowed_account_set_lamports( &programdata, 0UL );
2163 0 : if( FD_UNLIKELY( err ) ) {
2164 0 : return err;
2165 0 : }
2166 :
2167 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1439 */
2168 0 : fd_borrowed_account_drop( &programdata );
2169 :
2170 0 : FD_SPAD_FRAME_BEGIN( instr_ctx->txn_ctx->spad ) {
2171 0 : uchar instr_data[FD_TXN_MTU];
2172 0 : fd_loader_v4_program_instruction_t instr = {0};
2173 0 : fd_bincode_encode_ctx_t encode_ctx = {0};
2174 0 : fd_vm_rust_account_meta_t * acct_metas = fd_spad_alloc( instr_ctx->txn_ctx->spad,
2175 0 : FD_VM_RUST_ACCOUNT_META_ALIGN,
2176 0 : 3UL * sizeof(fd_vm_rust_account_meta_t) );
2177 :
2178 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1441-L1484 */
2179 0 : if( FD_LIKELY( program_len>0UL ) ) {
2180 :
2181 : /* Set program length
2182 : https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1442-L1451 */
2183 0 : fd_native_cpi_create_account_meta( program_address, 0, 1, &acct_metas[0] );
2184 0 : fd_native_cpi_create_account_meta( provided_authority_address, 1, 0, &acct_metas[1] );
2185 0 : fd_native_cpi_create_account_meta( program_address, 0, 1, &acct_metas[2] );
2186 :
2187 0 : instr = (fd_loader_v4_program_instruction_t) {
2188 0 : .discriminant = fd_loader_v4_program_instruction_enum_set_program_length,
2189 0 : .inner = {
2190 0 : .set_program_length = {
2191 0 : .new_size = (uint)program_len
2192 0 : }
2193 0 : }
2194 0 : };
2195 :
2196 0 : encode_ctx = (fd_bincode_encode_ctx_t) {
2197 0 : .data = instr_data,
2198 0 : .dataend = instr_data + FD_TXN_MTU
2199 0 : };
2200 :
2201 : // This should never fail.
2202 0 : err = fd_loader_v4_program_instruction_encode( &instr, &encode_ctx );
2203 0 : if( FD_UNLIKELY( err ) ) {
2204 0 : return FD_EXECUTOR_INSTR_ERR_FATAL;
2205 0 : }
2206 :
2207 0 : err = fd_native_cpi_native_invoke( instr_ctx,
2208 0 : &fd_solana_bpf_loader_v4_program_id,
2209 0 : instr_data,
2210 0 : FD_TXN_MTU,
2211 0 : acct_metas,
2212 0 : 3UL,
2213 0 : NULL,
2214 0 : 0UL );
2215 0 : if( FD_UNLIKELY( err ) ) {
2216 0 : return err;
2217 0 : }
2218 :
2219 : /* Copy
2220 : https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1453-L1464 */
2221 0 : fd_native_cpi_create_account_meta( program_address, 0, 1, &acct_metas[0] );
2222 0 : fd_native_cpi_create_account_meta( provided_authority_address, 1, 0, &acct_metas[1] );
2223 0 : fd_native_cpi_create_account_meta( programdata_address, 0, 0, &acct_metas[2] );
2224 :
2225 0 : instr = (fd_loader_v4_program_instruction_t) {
2226 0 : .discriminant = fd_loader_v4_program_instruction_enum_copy,
2227 0 : .inner = {
2228 0 : .copy = {
2229 0 : .destination_offset = 0U,
2230 0 : .source_offset = 0U,
2231 0 : .length = (uint)program_len
2232 0 : }
2233 0 : }
2234 0 : };
2235 :
2236 0 : encode_ctx = (fd_bincode_encode_ctx_t) {
2237 0 : .data = instr_data,
2238 0 : .dataend = instr_data + FD_TXN_MTU
2239 0 : };
2240 :
2241 : // This should never fail.
2242 0 : err = fd_loader_v4_program_instruction_encode( &instr, &encode_ctx );
2243 0 : if( FD_UNLIKELY( err ) ) {
2244 0 : return FD_EXECUTOR_INSTR_ERR_FATAL;
2245 0 : }
2246 :
2247 0 : err = fd_native_cpi_native_invoke( instr_ctx,
2248 0 : &fd_solana_bpf_loader_v4_program_id,
2249 0 : instr_data,
2250 0 : FD_TXN_MTU,
2251 0 : acct_metas,
2252 0 : 3UL,
2253 0 : NULL,
2254 0 : 0UL );
2255 0 : if( FD_UNLIKELY( err ) ) {
2256 0 : return err;
2257 0 : }
2258 :
2259 : /* Deploy
2260 : https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1466-L1473 */
2261 0 : fd_native_cpi_create_account_meta( program_address, 0, 1, &acct_metas[0] );
2262 0 : fd_native_cpi_create_account_meta( provided_authority_address, 1, 0, &acct_metas[1] );
2263 :
2264 0 : instr = (fd_loader_v4_program_instruction_t) {
2265 0 : .discriminant = fd_loader_v4_program_instruction_enum_deploy,
2266 0 : };
2267 :
2268 0 : encode_ctx = (fd_bincode_encode_ctx_t) {
2269 0 : .data = instr_data,
2270 0 : .dataend = instr_data + FD_TXN_MTU
2271 0 : };
2272 :
2273 : // This should never fail.
2274 0 : err = fd_loader_v4_program_instruction_encode( &instr, &encode_ctx );
2275 0 : if( FD_UNLIKELY( err ) ) {
2276 0 : return FD_EXECUTOR_INSTR_ERR_FATAL;
2277 0 : }
2278 :
2279 0 : err = fd_native_cpi_native_invoke( instr_ctx,
2280 0 : &fd_solana_bpf_loader_v4_program_id,
2281 0 : instr_data,
2282 0 : FD_TXN_MTU,
2283 0 : acct_metas,
2284 0 : 2UL,
2285 0 : NULL,
2286 0 : 0UL );
2287 0 : if( FD_UNLIKELY( err ) ) {
2288 0 : return err;
2289 0 : }
2290 :
2291 : /* Finalize (if no upgrade authority address provided)
2292 : https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1475-L1484 */
2293 0 : if( upgrade_authority_address==NULL ) {
2294 0 : fd_native_cpi_create_account_meta( program_address, 0, 1, &acct_metas[0] );
2295 0 : fd_native_cpi_create_account_meta( provided_authority_address, 1, 0, &acct_metas[1] );
2296 0 : fd_native_cpi_create_account_meta( program_address, 0, 0, &acct_metas[2] );
2297 :
2298 0 : instr = (fd_loader_v4_program_instruction_t) {
2299 0 : .discriminant = fd_loader_v4_program_instruction_enum_finalize,
2300 0 : };
2301 :
2302 0 : encode_ctx = (fd_bincode_encode_ctx_t) {
2303 0 : .data = instr_data,
2304 0 : .dataend = instr_data + FD_TXN_MTU
2305 0 : };
2306 :
2307 : // This should never fail.
2308 0 : err = fd_loader_v4_program_instruction_encode( &instr, &encode_ctx );
2309 0 : if( FD_UNLIKELY( err ) ) {
2310 0 : return FD_EXECUTOR_INSTR_ERR_FATAL;
2311 0 : }
2312 :
2313 0 : err = fd_native_cpi_native_invoke( instr_ctx,
2314 0 : &fd_solana_bpf_loader_v4_program_id,
2315 0 : instr_data,
2316 0 : FD_TXN_MTU,
2317 0 : acct_metas,
2318 0 : 3UL,
2319 0 : NULL,
2320 0 : 0UL );
2321 0 : if( FD_UNLIKELY( err ) ) {
2322 0 : return err;
2323 0 : }
2324 0 : } else if( !memcmp( fd_solana_migration_authority.key, provided_authority_address->key, sizeof(fd_pubkey_t) ) ) {
2325 :
2326 : /* Transfer authority
2327 : https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1486-L1494 */
2328 0 : fd_native_cpi_create_account_meta( program_address, 0, 1, &acct_metas[0] );
2329 0 : fd_native_cpi_create_account_meta( provided_authority_address, 1, 0, &acct_metas[1] );
2330 0 : fd_native_cpi_create_account_meta( upgrade_authority_address, 1, 0, &acct_metas[2] );
2331 :
2332 0 : instr = (fd_loader_v4_program_instruction_t) {
2333 0 : .discriminant = fd_loader_v4_program_instruction_enum_transfer_authority,
2334 0 : };
2335 :
2336 0 : encode_ctx = (fd_bincode_encode_ctx_t) {
2337 0 : .data = instr_data,
2338 0 : .dataend = instr_data + FD_TXN_MTU
2339 0 : };
2340 :
2341 : // This should never fail.
2342 0 : err = fd_loader_v4_program_instruction_encode( &instr, &encode_ctx );
2343 0 : if( FD_UNLIKELY( err ) ) {
2344 0 : return FD_EXECUTOR_INSTR_ERR_FATAL;
2345 0 : }
2346 :
2347 0 : err = fd_native_cpi_native_invoke( instr_ctx,
2348 0 : &fd_solana_bpf_loader_v4_program_id,
2349 0 : instr_data,
2350 0 : FD_TXN_MTU,
2351 0 : acct_metas,
2352 0 : 3UL,
2353 0 : NULL,
2354 0 : 0UL );
2355 0 : if( FD_UNLIKELY( err ) ) {
2356 0 : return err;
2357 0 : }
2358 0 : }
2359 0 : }
2360 0 : } FD_SPAD_FRAME_END;
2361 :
2362 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1500-L1501 */
2363 0 : err = fd_exec_instr_ctx_try_borrow_instr_account( instr_ctx , 0U, &programdata );
2364 0 : if( FD_UNLIKELY( err ) ) {
2365 0 : return err;
2366 0 : }
2367 :
2368 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1502 */
2369 0 : err = fd_borrowed_account_set_data_from_slice( &programdata, NULL, 0UL );
2370 0 : if( FD_UNLIKELY( err ) ) {
2371 0 : return err;
2372 0 : }
2373 :
2374 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1504 */
2375 0 : fd_borrowed_account_drop( &programdata );
2376 :
2377 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1506 */
2378 0 : fd_log_collector_printf_dangerous_max_127( instr_ctx, "Migrated program %s", FD_BASE58_ENC_32_ALLOCA( program_address ) );
2379 :
2380 0 : break;
2381 0 : }
2382 0 : default: {
2383 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
2384 0 : }
2385 0 : }
2386 0 : return FD_EXECUTOR_INSTR_SUCCESS;
2387 0 : }
2388 :
2389 : /* process_instruction_inner() */
2390 : /* https://github.com/anza-xyz/agave/blob/77daab497df191ef485a7ad36ed291c1874596e5/programs/bpf_loader/src/lib.rs#L394-L564 */
2391 : int
2392 0 : fd_bpf_loader_program_execute( fd_exec_instr_ctx_t * ctx ) {
2393 0 : FD_SPAD_FRAME_BEGIN( ctx->txn_ctx->spad ) {
2394 : /* https://github.com/anza-xyz/agave/blob/77daab497df191ef485a7ad36ed291c1874596e5/programs/bpf_loader/src/lib.rs#L491-L529 */
2395 :
2396 : /* https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L403-L404 */
2397 0 : fd_guarded_borrowed_account_t program_account;
2398 0 : int err = fd_exec_instr_ctx_try_borrow_last_program_account( ctx, &program_account );
2399 0 : if( FD_UNLIKELY( err ) ) {
2400 0 : return err;
2401 0 : }
2402 :
2403 : /* https://github.com/anza-xyz/agave/blob/v2.2.0/programs/bpf_loader/src/lib.rs#L409 */
2404 0 : fd_pubkey_t const * program_id = NULL;
2405 0 : err = fd_exec_instr_ctx_get_last_program_key( ctx, &program_id );
2406 0 : if( FD_UNLIKELY( err ) ) {
2407 0 : return err;
2408 0 : }
2409 :
2410 : /* Program management instruction */
2411 0 : if( FD_UNLIKELY( !memcmp( &fd_solana_native_loader_id, fd_borrowed_account_get_owner( &program_account ), sizeof(fd_pubkey_t) ) ) ) {
2412 : /* https://github.com/anza-xyz/agave/blob/v2.2.3/programs/bpf_loader/src/lib.rs#L416 */
2413 0 : fd_borrowed_account_drop( &program_account );
2414 :
2415 0 : if( FD_UNLIKELY( !memcmp( &fd_solana_bpf_loader_upgradeable_program_id, program_id, sizeof(fd_pubkey_t) ) ) ) {
2416 0 : FD_EXEC_CU_UPDATE( ctx, UPGRADEABLE_LOADER_COMPUTE_UNITS );
2417 0 : return process_loader_upgradeable_instruction( ctx );
2418 0 : } else if( FD_UNLIKELY( !memcmp( &fd_solana_bpf_loader_program_id, program_id, sizeof(fd_pubkey_t) ) ) ) {
2419 0 : FD_EXEC_CU_UPDATE( ctx, DEFAULT_LOADER_COMPUTE_UNITS );
2420 0 : fd_log_collector_msg_literal( ctx, "BPF loader management instructions are no longer supported" );
2421 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
2422 0 : } else if( FD_UNLIKELY( !memcmp( &fd_solana_bpf_loader_deprecated_program_id, program_id, sizeof(fd_pubkey_t) ) ) ) {
2423 0 : FD_EXEC_CU_UPDATE( ctx, DEPRECATED_LOADER_COMPUTE_UNITS );
2424 0 : fd_log_collector_msg_literal( ctx, "Deprecated loader is no longer supported" );
2425 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
2426 0 : } else {
2427 0 : fd_log_collector_msg_literal( ctx, "Invalid BPF loader id" );
2428 : /* https://github.com/anza-xyz/agave/blob/89872fdb074e6658646b2b57a299984f0059cc84/programs/bpf_loader/src/lib.rs#L429-L436 */
2429 0 : if( FD_FEATURE_ACTIVE_BANK( ctx->txn_ctx->bank, remove_accounts_executable_flag_checks ) ) {
2430 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
2431 0 : }
2432 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_PROGRAM_ID;
2433 0 : }
2434 0 : }
2435 :
2436 : /* https://github.com/anza-xyz/agave/blob/89872fdb074e6658646b2b57a299984f0059cc84/programs/bpf_loader/src/lib.rs#L445-L452 */
2437 : /* Program invocation. Any invalid programs will be caught here or at the program load. */
2438 0 : if( FD_UNLIKELY( !FD_FEATURE_ACTIVE_BANK( ctx->txn_ctx->bank, remove_accounts_executable_flag_checks ) &&
2439 0 : !fd_borrowed_account_is_executable( &program_account ) ) ) {
2440 0 : fd_log_collector_msg_literal( ctx, "Program is not executable" );
2441 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_PROGRAM_ID;
2442 0 : }
2443 :
2444 : /* https://github.com/anza-xyz/agave/blob/77daab497df191ef485a7ad36ed291c1874596e5/programs/bpf_loader/src/lib.rs#L551-L563 */
2445 : /* The Agave client stores a loaded program type state in its implementation
2446 : of the loaded program cache. It checks to see if an account is able to be
2447 : executed. It is possible for a program to be in the DelayVisibility state or
2448 : Closed state but it won't be reflected in the Firedancer cache. Program
2449 : accounts that are in this state should exit with an invalid account data
2450 : error. For programs that are recently deployed or upgraded, they should not
2451 : be allowed to be executed for the remainder of the slot. For closed
2452 : accounts, they're uninitialized and shouldn't be executed as well.
2453 :
2454 : For the former case the slot that the
2455 : program was last updated in is in the program data account.
2456 : This means that if the slot in the program data account is greater than or
2457 : equal to the current execution slot, then the account is in a
2458 : 'LoadedProgramType::DelayVisiblity' state.
2459 :
2460 : The latter case as described above is a tombstone account which is in a Closed
2461 : state. This occurs when a program data account is closed. However, our cache
2462 : does not track this. Instead, this can be checked for by seeing if the program
2463 : account's respective program data account is uninitialized. This should only
2464 : happen when the account is closed.
2465 :
2466 : Every error that comes out of this block is mapped to an InvalidAccountData instruction error in Agave. */
2467 :
2468 0 : fd_account_meta_t const * metadata = fd_borrowed_account_get_acc_meta( &program_account );
2469 0 : uchar is_deprecated = !memcmp( metadata->owner, &fd_solana_bpf_loader_deprecated_program_id, sizeof(fd_pubkey_t) );
2470 :
2471 0 : if( !memcmp( metadata->owner, &fd_solana_bpf_loader_upgradeable_program_id, sizeof(fd_pubkey_t) ) ) {
2472 0 : fd_bpf_upgradeable_loader_state_t * program_account_state = fd_bpf_loader_program_get_state( program_account.acct, ctx->txn_ctx->spad, &err );
2473 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
2474 0 : fd_log_collector_msg_literal( ctx, "Program is not deployed" );
2475 0 : if( FD_FEATURE_ACTIVE_BANK( ctx->txn_ctx->bank, remove_accounts_executable_flag_checks ) ) {
2476 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
2477 0 : }
2478 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
2479 0 : }
2480 :
2481 : /* https://github.com/anza-xyz/agave/blob/v2.0.9/svm/src/program_loader.rs#L96-L98
2482 : Program account and program data account discriminants get checked when loading in program accounts
2483 : into the program cache. If the discriminants are incorrect, the program is marked as closed. */
2484 0 : if( FD_UNLIKELY( !fd_bpf_upgradeable_loader_state_is_program( program_account_state ) ) ) {
2485 0 : fd_log_collector_msg_literal( ctx, "Program is not deployed" );
2486 0 : if( FD_FEATURE_ACTIVE_BANK( ctx->txn_ctx->bank, remove_accounts_executable_flag_checks ) ) {
2487 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
2488 0 : }
2489 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
2490 0 : }
2491 :
2492 0 : fd_txn_account_t * program_data_account = NULL;
2493 0 : fd_pubkey_t * programdata_pubkey = (fd_pubkey_t *)&program_account_state->inner.program.programdata_address;
2494 0 : err = fd_exec_txn_ctx_get_executable_account( ctx->txn_ctx,
2495 0 : programdata_pubkey,
2496 0 : &program_data_account,
2497 0 : fd_txn_account_check_exists );
2498 0 : if( FD_UNLIKELY( err!=FD_ACC_MGR_SUCCESS ) ) {
2499 0 : fd_log_collector_msg_literal( ctx, "Program is not deployed" );
2500 0 : if( FD_FEATURE_ACTIVE_BANK( ctx->txn_ctx->bank, remove_accounts_executable_flag_checks ) ) {
2501 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
2502 0 : }
2503 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
2504 0 : }
2505 :
2506 0 : if( FD_UNLIKELY( fd_txn_account_get_data_len( program_data_account )<PROGRAMDATA_METADATA_SIZE ) ) {
2507 0 : fd_log_collector_msg_literal( ctx, "Program is not deployed" );
2508 0 : if( FD_FEATURE_ACTIVE_BANK( ctx->txn_ctx->bank, remove_accounts_executable_flag_checks ) ) {
2509 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
2510 0 : }
2511 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
2512 0 : }
2513 :
2514 0 : fd_bpf_upgradeable_loader_state_t * program_data_account_state = fd_bpf_loader_program_get_state( program_data_account,
2515 0 : ctx->txn_ctx->spad,
2516 0 : &err );
2517 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
2518 0 : fd_log_collector_msg_literal( ctx, "Program is not deployed" );
2519 0 : if( FD_FEATURE_ACTIVE_BANK( ctx->txn_ctx->bank, remove_accounts_executable_flag_checks ) ) {
2520 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
2521 0 : }
2522 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
2523 0 : }
2524 :
2525 : /* https://github.com/anza-xyz/agave/blob/v2.0.9/svm/src/program_loader.rs#L100-L104
2526 : Same as above comment. Program data discriminant must be set correctly. */
2527 0 : if( FD_UNLIKELY( !fd_bpf_upgradeable_loader_state_is_program_data( program_data_account_state ) ) ) {
2528 : /* The account is closed. */
2529 0 : fd_log_collector_msg_literal( ctx, "Program is not deployed" );
2530 0 : if( FD_FEATURE_ACTIVE_BANK( ctx->txn_ctx->bank, remove_accounts_executable_flag_checks ) ) {
2531 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
2532 0 : }
2533 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
2534 0 : }
2535 :
2536 0 : ulong program_data_slot = program_data_account_state->inner.program_data.slot;
2537 0 : if( FD_UNLIKELY( program_data_slot>=ctx->txn_ctx->slot ) ) {
2538 : /* The account was likely just deployed or upgraded. Corresponds to
2539 : 'LoadedProgramType::DelayVisibility' */
2540 0 : fd_log_collector_msg_literal( ctx, "Program is not deployed" );
2541 0 : if( FD_FEATURE_ACTIVE_BANK( ctx->txn_ctx->bank, remove_accounts_executable_flag_checks ) ) {
2542 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
2543 0 : }
2544 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
2545 0 : }
2546 0 : }
2547 :
2548 : /* Sadly, we have to tie the cache in with consensus. We tried our
2549 : best to avoid this, but Agave's program loading logic is too
2550 : complex to solely rely on checks without significant redundancy.
2551 :
2552 : For example, devnet and testnet have older programs that were
2553 : deployed before stricter ELF / VM validation checks were put in
2554 : place, causing these older programs to fail newer validation
2555 : checks and be unexecutable. At the instruction level, we have no
2556 : way of checking if this validation passed or not here without
2557 : querying our program cache, otherwise we would have to copy-paste
2558 : all of our validation checks here.
2559 :
2560 : Any failures here would indicate an attempt to interact with a
2561 : deployed programs that either failed to load or failed bytecode
2562 : verification. This applies for v1, v2, and v3 programs. This
2563 : could also theoretically cause some currently-deployed programs
2564 : to fail in the future if ELF / VM checks are eventually made
2565 : stricter. */
2566 0 : fd_program_cache_entry_t const * cache_entry = NULL;
2567 0 : if( FD_UNLIKELY( fd_program_cache_load_entry( ctx->txn_ctx->funk,
2568 0 : ctx->txn_ctx->funk_txn,
2569 0 : program_id,
2570 0 : &cache_entry )!=0 ) ) {
2571 0 : fd_log_collector_msg_literal( ctx, "Program is not cached" );
2572 :
2573 : /* https://github.com/anza-xyz/agave/blob/89872fdb074e6658646b2b57a299984f0059cc84/programs/bpf_loader/src/lib.rs#L460-L467 */
2574 0 : if( FD_FEATURE_ACTIVE_BANK( ctx->txn_ctx->bank, remove_accounts_executable_flag_checks ) ) {
2575 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
2576 0 : }
2577 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
2578 0 : }
2579 :
2580 : /* The program may be in the cache but could have failed verification in the current epoch. */
2581 0 : if( FD_UNLIKELY( cache_entry->failed_verification ) ) {
2582 0 : fd_log_collector_msg_literal( ctx, "Program is not deployed" );
2583 0 : if( FD_FEATURE_ACTIVE_BANK( ctx->txn_ctx->bank, remove_accounts_executable_flag_checks ) ) {
2584 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
2585 0 : }
2586 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
2587 0 : }
2588 :
2589 : /* https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L446 */
2590 0 : fd_borrowed_account_drop( &program_account );
2591 :
2592 0 : return fd_bpf_execute( ctx, cache_entry, is_deprecated );
2593 0 : } FD_SPAD_FRAME_END;
2594 0 : }
2595 :
2596 :
2597 : /* Public APIs */
2598 :
2599 : int
2600 : fd_directly_invoke_loader_v3_deploy( fd_exec_slot_ctx_t * slot_ctx,
2601 : fd_pubkey_t const * program_key,
2602 : uchar const * elf,
2603 : ulong elf_sz,
2604 0 : fd_spad_t * runtime_spad ) {
2605 : /* Set up a dummy instr and txn context */
2606 0 : fd_exec_txn_ctx_t * txn_ctx = fd_exec_txn_ctx_join( fd_exec_txn_ctx_new( fd_spad_alloc( runtime_spad, FD_EXEC_TXN_CTX_ALIGN, FD_EXEC_TXN_CTX_FOOTPRINT ) ), runtime_spad, fd_wksp_containing( runtime_spad ) );
2607 0 : fd_funk_t * funk = slot_ctx->funk;
2608 0 : fd_wksp_t * funk_wksp = fd_funk_wksp( funk );
2609 0 : ulong funk_txn_gaddr = fd_wksp_gaddr( funk_wksp, slot_ctx->funk_txn );
2610 0 : ulong funk_gaddr = fd_wksp_gaddr( funk_wksp, funk->shmem );
2611 :
2612 0 : fd_exec_txn_ctx_from_exec_slot_ctx( slot_ctx,
2613 0 : txn_ctx,
2614 0 : funk_wksp,
2615 0 : funk_txn_gaddr,
2616 0 : funk_gaddr,
2617 0 : NULL );
2618 :
2619 0 : fd_exec_txn_ctx_setup_basic( txn_ctx );
2620 0 : txn_ctx->instr_stack_sz = 1;
2621 0 : fd_exec_instr_ctx_t * instr_ctx = &txn_ctx->instr_stack[0];
2622 0 : *instr_ctx = (fd_exec_instr_ctx_t) {
2623 0 : .instr = NULL,
2624 0 : .txn_ctx = txn_ctx,
2625 0 : };
2626 :
2627 : /* Important note: this function is called at the epoch boundary and
2628 : does not do anything with the `programs_to_reverify` field in the
2629 : transaction context. This is fine though because when this function
2630 : is called, the program will not exist in the cache yet (because it
2631 : does not exist on-chain as a BPF program yet). There is no queueing
2632 : needed because the next time the program is invoked, the program
2633 : cache updating logic will see that the cache entry is missing and
2634 : will insert it then. */
2635 0 : return fd_deploy_program( instr_ctx, program_key, elf, elf_sz, runtime_spad );
2636 0 : }
|
