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/base58/fd_base58.h"
7 : #include "../../../ballet/sbpf/fd_sbpf_loader.h"
8 : #include "../sysvar/fd_sysvar_clock.h"
9 : #include "../sysvar/fd_sysvar_rent.h"
10 : #include "../../vm/syscall/fd_vm_syscall.h"
11 : #include "../../vm/fd_vm.h"
12 : #include "../fd_executor.h"
13 : #include "fd_bpf_loader_serialization.h"
14 : #include "fd_native_cpi.h"
15 : #include "../fd_borrowed_account.h"
16 :
17 : #include <stdlib.h>
18 :
19 : static char * trace_buf;
20 :
21 9 : static void __attribute__((constructor)) make_buf(void) {
22 9 : trace_buf = (char*)malloc(256*1024);
23 9 : }
24 :
25 0 : static void __attribute__((destructor)) free_buf(void) {
26 0 : free(trace_buf);
27 0 : }
28 :
29 : /* https://github.com/anza-xyz/agave/blob/ced98f1ebe73f7e9691308afa757323003ff744f/sdk/program/src/program_error.rs#L290-L335 */
30 : static inline int
31 : program_error_to_instr_error( ulong err,
32 0 : uint * custom_err ) {
33 0 : switch( err ) {
34 0 : case CUSTOM_ZERO:
35 0 : *custom_err = 0;
36 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
37 0 : case INVALID_ARGUMENT:
38 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
39 0 : case INVALID_INSTRUCTION_DATA:
40 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
41 0 : case INVALID_ACCOUNT_DATA:
42 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
43 0 : case ACCOUNT_DATA_TOO_SMALL:
44 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
45 0 : case INSUFFICIENT_FUNDS:
46 0 : return FD_EXECUTOR_INSTR_ERR_INSUFFICIENT_FUNDS;
47 0 : case INCORRECT_PROGRAM_ID:
48 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_PROGRAM_ID;
49 0 : case MISSING_REQUIRED_SIGNATURES:
50 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
51 0 : case ACCOUNT_ALREADY_INITIALIZED:
52 0 : return FD_EXECUTOR_INSTR_ERR_ACC_ALREADY_INITIALIZED;
53 0 : case UNINITIALIZED_ACCOUNT:
54 0 : return FD_EXECUTOR_INSTR_ERR_UNINITIALIZED_ACCOUNT;
55 0 : case NOT_ENOUGH_ACCOUNT_KEYS:
56 0 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
57 0 : case ACCOUNT_BORROW_FAILED:
58 0 : return FD_EXECUTOR_INSTR_ERR_ACC_BORROW_FAILED;
59 0 : case MAX_SEED_LENGTH_EXCEEDED:
60 0 : return FD_EXECUTOR_INSTR_ERR_MAX_SEED_LENGTH_EXCEEDED;
61 0 : case INVALID_SEEDS:
62 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_SEEDS;
63 0 : case BORSH_IO_ERROR:
64 0 : return FD_EXECUTOR_INSTR_ERR_BORSH_IO_ERROR;
65 0 : case ACCOUNT_NOT_RENT_EXEMPT:
66 0 : return FD_EXECUTOR_INSTR_ERR_ACC_NOT_RENT_EXEMPT;
67 0 : case UNSUPPORTED_SYSVAR:
68 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
69 0 : case ILLEGAL_OWNER:
70 0 : return FD_EXECUTOR_INSTR_ERR_ILLEGAL_OWNER;
71 0 : case MAX_ACCOUNTS_DATA_ALLOCATIONS_EXCEEDED:
72 0 : return FD_EXECUTOR_INSTR_ERR_MAX_ACCS_DATA_ALLOCS_EXCEEDED;
73 0 : case INVALID_ACCOUNT_DATA_REALLOC:
74 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_REALLOC;
75 0 : case MAX_INSTRUCTION_TRACE_LENGTH_EXCEEDED:
76 0 : return FD_EXECUTOR_INSTR_ERR_MAX_INSN_TRACE_LENS_EXCEEDED;
77 0 : case BUILTIN_PROGRAMS_MUST_CONSUME_COMPUTE_UNITS:
78 0 : return FD_EXECUTOR_INSTR_ERR_BUILTINS_MUST_CONSUME_CUS;
79 0 : case INVALID_ACCOUNT_OWNER:
80 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_OWNER;
81 0 : case ARITHMETIC_OVERFLOW:
82 0 : return FD_EXECUTOR_INSTR_ERR_ARITHMETIC_OVERFLOW;
83 0 : case IMMUTABLE:
84 0 : return FD_EXECUTOR_INSTR_ERR_ACC_IMMUTABLE;
85 0 : case INCORRECT_AUTHORITY:
86 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_AUTHORITY;
87 0 : default:
88 0 : if( err>>BUILTIN_BIT_SHIFT == 0 ) {
89 0 : *custom_err = (uint)err;
90 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
91 0 : }
92 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ERR;
93 0 : }
94 0 : }
95 :
96 : /* TODO: This can be combined with the other bpf loader state decode function */
97 : fd_bpf_upgradeable_loader_state_t *
98 : read_bpf_upgradeable_loader_state_for_program( fd_exec_txn_ctx_t * txn_ctx,
99 : ushort program_id,
100 0 : int * opt_err ) {
101 0 : fd_txn_account_t * rec = NULL;
102 0 : int err = fd_exec_txn_ctx_get_account_at_index( txn_ctx,
103 0 : program_id,
104 0 : &rec,
105 0 : fd_txn_account_check_exists );
106 0 : if( FD_UNLIKELY( err ) ) {
107 0 : *opt_err = err;
108 0 : return NULL;
109 0 : }
110 :
111 0 : fd_bpf_upgradeable_loader_state_t * res = fd_bincode_decode_spad(
112 0 : bpf_upgradeable_loader_state,
113 0 : txn_ctx->spad,
114 0 : rec->vt->get_data( rec ),
115 0 : rec->vt->get_data_len( rec ),
116 0 : &err );
117 0 : if( FD_UNLIKELY( err ) ) {
118 0 : *opt_err = FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
119 0 : return NULL;
120 0 : }
121 0 : return res;
122 0 : }
123 :
124 : /* https://github.com/anza-xyz/agave/blob/9b22f28104ec5fd606e4bb39442a7600b38bb671/programs/bpf_loader/src/lib.rs#L216-L229 */
125 : static ulong
126 0 : calculate_heap_cost( ulong heap_size, ulong heap_cost ) {
127 0 : #define KIBIBYTE_MUL_PAGES (1024UL * 32UL)
128 0 : #define KIBIBYTE_MUL_PAGES_SUB_1 (KIBIBYTE_MUL_PAGES - 1UL)
129 :
130 0 : heap_size = fd_ulong_sat_add( heap_size, KIBIBYTE_MUL_PAGES_SUB_1 );
131 :
132 0 : heap_size = fd_ulong_sat_mul( fd_ulong_sat_sub( heap_size / KIBIBYTE_MUL_PAGES, 1UL ), heap_cost );
133 0 : return heap_size;
134 :
135 0 : #undef KIBIBYTE_MUL_PAGES
136 0 : #undef KIBIBYTE_MUL_PAGES_SUB_1
137 0 : }
138 :
139 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L105-L171
140 :
141 : Our arguments to deploy_program are different from the Agave version because
142 : we handle the caching of deployed programs differently. In Firedancer we
143 : lack the concept of ProgramCacheEntryType entirely.
144 : https://github.com/anza-xyz/agave/blob/114d94a25e9631f9bf6349c4b833d7900ef1fb1c/program-runtime/src/loaded_programs.rs#L158
145 :
146 : In Agave there is a separate caching structure that is used to store the
147 : deployed programs. In Firedancer the deployed, validated program is stored as
148 : metadata for the account in the funk record.
149 :
150 : See https://github.com/firedancer-io/firedancer/blob/9c1df680b3f38bebb0597e089766ec58f3b41e85/src/flamenco/runtime/program/fd_bpf_loader_v3_program.c#L1640
151 : for how we handle the concept of 'LoadedProgramType::DelayVisibility' in Firedancer.
152 :
153 : As a concrete example, our version of deploy_program does not have the
154 : 'account_size' argument because we do not update the funk record here.
155 :
156 : The spad used for allocations can be either scoped to the executor or the
157 : runtime depending on where it is called from. If a program is deployed from
158 : the v3 contract, then the executor spad should be used. */
159 : int
160 : fd_deploy_program( fd_exec_instr_ctx_t * instr_ctx,
161 : uchar const * programdata,
162 : ulong programdata_size,
163 0 : fd_spad_t * spad ) {
164 0 : int deploy_mode = 1;
165 0 : int direct_mapping = FD_FEATURE_ACTIVE_BANK( instr_ctx->txn_ctx->bank, bpf_account_data_direct_mapping );
166 0 : fd_sbpf_syscalls_t * syscalls = fd_sbpf_syscalls_new( fd_spad_alloc( spad,
167 0 : fd_sbpf_syscalls_align(),
168 0 : fd_sbpf_syscalls_footprint() ) );
169 0 : if( FD_UNLIKELY( !syscalls ) ) {
170 : //TODO: full log including err
171 0 : fd_log_collector_msg_literal( instr_ctx, "Failed to register syscalls" );
172 0 : return FD_EXECUTOR_INSTR_ERR_PROGRAM_ENVIRONMENT_SETUP_FAILURE;
173 0 : }
174 :
175 0 : fd_vm_syscall_register_slot( syscalls,
176 0 : instr_ctx->txn_ctx->slot,
177 0 : &instr_ctx->txn_ctx->features,
178 0 : 1 );
179 :
180 : /* Load executable */
181 0 : fd_sbpf_elf_info_t _elf_info[ 1UL ];
182 0 : uint min_sbpf_version, max_sbpf_version;
183 0 : fd_bpf_get_sbpf_versions( &min_sbpf_version,
184 0 : &max_sbpf_version,
185 0 : instr_ctx->txn_ctx->slot,
186 0 : &instr_ctx->txn_ctx->features );
187 0 : fd_sbpf_elf_info_t * elf_info = fd_sbpf_elf_peek( _elf_info, programdata, programdata_size, deploy_mode, min_sbpf_version, max_sbpf_version );
188 0 : if( FD_UNLIKELY( !elf_info ) ) {
189 : //TODO: actual log, this is a custom Firedancer msg
190 0 : fd_log_collector_msg_literal( instr_ctx, "Failed to load or verify Elf" );
191 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
192 0 : }
193 :
194 : /* Allocate rodata segment */
195 0 : void * rodata = fd_spad_alloc( spad, FD_SBPF_PROG_RODATA_ALIGN, elf_info->rodata_footprint );
196 0 : if( FD_UNLIKELY( !rodata ) ) {
197 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
198 0 : }
199 :
200 : /* Allocate program buffer */
201 0 : ulong prog_align = fd_sbpf_program_align();
202 0 : ulong prog_footprint = fd_sbpf_program_footprint( elf_info );
203 0 : fd_sbpf_program_t * prog = fd_sbpf_program_new( fd_spad_alloc( spad, prog_align, prog_footprint ), elf_info, rodata );
204 0 : if( FD_UNLIKELY( !prog ) ) {
205 0 : FD_LOG_ERR(( "fd_sbpf_program_new() failed: %s", fd_sbpf_strerror() ));
206 0 : }
207 :
208 : /* Load program */
209 0 : int err = fd_sbpf_program_load( prog, programdata, programdata_size, syscalls, deploy_mode );
210 0 : if( FD_UNLIKELY( err ) ) {
211 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
212 0 : }
213 :
214 : /* Validate the program */
215 0 : fd_vm_t _vm[ 1UL ];
216 0 : fd_vm_t * vm = fd_vm_join( fd_vm_new( _vm ) );
217 :
218 0 : vm = fd_vm_init(
219 0 : /* vm */ vm,
220 0 : /* instr_ctx */ instr_ctx,
221 0 : /* heap_max */ instr_ctx->txn_ctx->heap_size,
222 0 : /* entry_cu */ instr_ctx->txn_ctx->compute_meter,
223 0 : /* rodata */ prog->rodata,
224 0 : /* rodata_sz */ prog->rodata_sz,
225 0 : /* text */ prog->text,
226 0 : /* text_cnt */ prog->text_cnt,
227 0 : /* text_off */ prog->text_off, /* FIXME: What if text_off is not multiple of 8 */
228 0 : /* text_sz */ prog->text_sz,
229 0 : /* entry_pc */ prog->entry_pc,
230 0 : /* calldests */ prog->calldests,
231 0 : /* sbpf_version */ elf_info->sbpf_version,
232 0 : /* syscalls */ syscalls,
233 : /* trace */ NULL,
234 : /* sha */ NULL,
235 : /* mem_regions */ NULL,
236 0 : /* mem_regions_cnt */ 0,
237 : /* mem_region_accs */ NULL,
238 0 : /* is_deprecated */ 0,
239 0 : /* direct mapping */ direct_mapping,
240 0 : /* dump_syscall_to_pb */ 0 );
241 0 : if ( FD_UNLIKELY( vm == NULL ) ) {
242 0 : FD_LOG_WARNING(( "NULL vm" ));
243 0 : return FD_EXECUTOR_INSTR_ERR_PROGRAM_ENVIRONMENT_SETUP_FAILURE;
244 0 : }
245 :
246 0 : int validate_result = fd_vm_validate( vm );
247 0 : if( FD_UNLIKELY( validate_result!=FD_VM_SUCCESS ) ) {
248 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
249 0 : }
250 0 : return FD_EXECUTOR_INSTR_SUCCESS;
251 0 : }
252 :
253 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L195-L218 */
254 : static int
255 : write_program_data( fd_exec_instr_ctx_t * instr_ctx,
256 : ushort instr_acc_idx,
257 : ulong program_data_offset,
258 : uchar * bytes,
259 0 : ulong bytes_len ) {
260 0 : int err;
261 :
262 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L202 */
263 0 : fd_guarded_borrowed_account_t program;
264 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, instr_acc_idx, &program );
265 :
266 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L203 */
267 0 : uchar * data = NULL;
268 0 : ulong dlen = 0UL;
269 0 : err = fd_borrowed_account_get_data_mut( &program, &data, &dlen );
270 0 : if( FD_UNLIKELY( err ) ) {
271 0 : return err;
272 0 : }
273 :
274 0 : ulong write_offset = fd_ulong_sat_add( program_data_offset, bytes_len );
275 0 : if( FD_UNLIKELY( fd_borrowed_account_get_data_len( &program )<write_offset ) ) {
276 : /* Max msg_sz: 24 - 6 + 2*20 = 58 < 127 => we can use printf */
277 0 : fd_log_collector_printf_dangerous_max_127( instr_ctx,
278 0 : "Write overflow %lu < %lu", fd_borrowed_account_get_data_len( &program ), write_offset );
279 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
280 0 : }
281 :
282 0 : if( FD_UNLIKELY( program_data_offset>dlen ) ) {
283 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
284 0 : }
285 :
286 0 : if( FD_LIKELY( bytes_len ) ) {
287 0 : fd_memcpy( data+program_data_offset, bytes, bytes_len );
288 0 : }
289 :
290 0 : return FD_EXECUTOR_INSTR_SUCCESS;
291 0 : }
292 :
293 : fd_bpf_upgradeable_loader_state_t *
294 : fd_bpf_loader_program_get_state( fd_txn_account_t const * acct,
295 : fd_spad_t * spad,
296 0 : int * err ) {
297 0 : fd_bpf_upgradeable_loader_state_t * res = fd_bincode_decode_spad(
298 0 : bpf_upgradeable_loader_state,
299 0 : spad,
300 0 : acct->vt->get_data( acct ),
301 0 : acct->vt->get_data_len( acct ),
302 0 : err );
303 0 : if( FD_UNLIKELY( *err ) ) {
304 0 : *err = FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
305 0 : return NULL;
306 0 : }
307 0 : return res;
308 0 : }
309 :
310 : /* Mirrors solana_sdk::transaction_context::BorrowedAccount::set_state()
311 : https://github.com/anza-xyz/agave/blob/v2.1.14/sdk/src/transaction_context.rs#L973 */
312 : int
313 : fd_bpf_loader_v3_program_set_state( fd_borrowed_account_t * borrowed_acct,
314 0 : fd_bpf_upgradeable_loader_state_t * state ) {
315 0 : ulong state_size = fd_bpf_upgradeable_loader_state_size( state );
316 :
317 0 : uchar * data = NULL;
318 0 : ulong dlen = 0UL;
319 :
320 0 : int err = fd_borrowed_account_get_data_mut( borrowed_acct, &data, &dlen );
321 0 : if( FD_UNLIKELY( err ) ) {
322 0 : return err;
323 0 : }
324 :
325 0 : if( FD_UNLIKELY( state_size>dlen ) ) {
326 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
327 0 : }
328 :
329 0 : fd_bincode_encode_ctx_t ctx = {
330 0 : .data = data,
331 0 : .dataend = data + state_size
332 0 : };
333 :
334 0 : err = fd_bpf_upgradeable_loader_state_encode( state, &ctx );
335 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
336 0 : return FD_EXECUTOR_INSTR_ERR_GENERIC_ERR;
337 0 : }
338 :
339 0 : return FD_BINCODE_SUCCESS;
340 0 : }
341 :
342 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L1299-L1331 */
343 : static int
344 : common_close_account( fd_pubkey_t * authority_address,
345 : fd_exec_instr_ctx_t * instr_ctx,
346 0 : fd_bpf_upgradeable_loader_state_t * state ) {
347 0 : int err;
348 :
349 : /* https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L1307 */
350 0 : if( FD_UNLIKELY( !authority_address ) ) {
351 0 : return FD_EXECUTOR_INSTR_ERR_ACC_IMMUTABLE;
352 0 : }
353 :
354 : /* https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L1312-L1313 */
355 0 : fd_pubkey_t const * acc_key = NULL;
356 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 2UL, &acc_key );
357 0 : if( FD_UNLIKELY( err ) ) {
358 0 : return err;
359 0 : }
360 :
361 0 : if( FD_UNLIKELY( memcmp( authority_address, acc_key, sizeof(fd_pubkey_t) ) ) ) {
362 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_AUTHORITY;
363 0 : }
364 :
365 : /* https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L1319-L1322 */
366 0 : if( FD_UNLIKELY( !fd_instr_acc_is_signer_idx( instr_ctx->instr, 2UL ) ) ) {
367 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
368 0 : }
369 :
370 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L1324 */
371 0 : fd_guarded_borrowed_account_t close_account;
372 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 0UL, &close_account );
373 :
374 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L1326 */
375 0 : fd_guarded_borrowed_account_t recipient_account;
376 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 1UL, &recipient_account );
377 :
378 0 : err = fd_borrowed_account_checked_add_lamports( &recipient_account,
379 0 : fd_borrowed_account_get_lamports( &close_account ) );
380 0 : if( FD_UNLIKELY( err ) ) {
381 0 : return err;
382 0 : }
383 :
384 0 : err = fd_borrowed_account_set_lamports( &close_account, 0UL );
385 0 : if( FD_UNLIKELY( err ) ) {
386 0 : return err;
387 0 : }
388 :
389 0 : state->discriminant = fd_bpf_upgradeable_loader_state_enum_uninitialized;
390 0 : err = fd_bpf_loader_v3_program_set_state( &close_account, state );
391 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
392 0 : return err;
393 0 : }
394 :
395 0 : return FD_EXECUTOR_INSTR_SUCCESS;
396 0 : }
397 :
398 :
399 : /* Every loader-owned BPF program goes through this function, which goes into the VM.
400 :
401 : https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L1332-L1501 */
402 : int
403 0 : fd_bpf_execute( fd_exec_instr_ctx_t * instr_ctx, fd_sbpf_validated_program_t const * prog, uchar is_deprecated ) {
404 :
405 0 : int err = FD_EXECUTOR_INSTR_SUCCESS;
406 0 : fd_sbpf_syscalls_t * syscalls = fd_sbpf_syscalls_new( fd_spad_alloc( instr_ctx->txn_ctx->spad,
407 0 : fd_sbpf_syscalls_align(),
408 0 : fd_sbpf_syscalls_footprint() ) );
409 0 : FD_TEST( syscalls );
410 :
411 : /* TODO do we really need to re-do this on every instruction? */
412 0 : fd_vm_syscall_register_slot( syscalls,
413 0 : instr_ctx->txn_ctx->slot,
414 0 : &instr_ctx->txn_ctx->features,
415 0 : 0 );
416 :
417 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L1362-L1368 */
418 0 : ulong input_sz = 0UL;
419 0 : ulong pre_lens[256] = {0};
420 0 : fd_vm_input_region_t input_mem_regions[1000] = {0}; /* We can have a max of (3 * num accounts + 1) regions */
421 0 : fd_vm_acc_region_meta_t acc_region_metas[256] = {0}; /* instr acc idx to idx */
422 0 : uint input_mem_regions_cnt = 0U;
423 0 : int direct_mapping = FD_FEATURE_ACTIVE_BANK( instr_ctx->txn_ctx->bank, bpf_account_data_direct_mapping );
424 0 : int mask_out_rent_epoch_in_vm_serialization = FD_FEATURE_ACTIVE_BANK( instr_ctx->txn_ctx->bank, mask_out_rent_epoch_in_vm_serialization );
425 :
426 0 : uchar * input = NULL;
427 0 : err = fd_bpf_loader_input_serialize_parameters( instr_ctx, &input_sz, pre_lens,
428 0 : input_mem_regions, &input_mem_regions_cnt,
429 0 : acc_region_metas, direct_mapping, mask_out_rent_epoch_in_vm_serialization,
430 0 : is_deprecated, &input );
431 0 : if( FD_UNLIKELY( err ) ) {
432 0 : return err;
433 0 : }
434 :
435 0 : if( FD_UNLIKELY( input==NULL ) ) {
436 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_ACC;
437 0 : }
438 :
439 0 : fd_sha256_t _sha[1];
440 0 : fd_sha256_t * sha = fd_sha256_join( fd_sha256_new( _sha ) );
441 :
442 0 : fd_vm_t _vm[1];
443 0 : fd_vm_t * vm = fd_vm_join( fd_vm_new( _vm ) );
444 :
445 0 : ulong pre_insn_cus = instr_ctx->txn_ctx->compute_meter;
446 0 : ulong heap_max = instr_ctx->txn_ctx->heap_size;
447 :
448 : /* For dumping syscalls for seed corpora */
449 0 : int dump_syscall_to_pb = instr_ctx->txn_ctx->capture_ctx &&
450 0 : instr_ctx->txn_ctx->slot >= instr_ctx->txn_ctx->capture_ctx->dump_proto_start_slot &&
451 0 : instr_ctx->txn_ctx->capture_ctx->dump_syscall_to_pb;
452 :
453 : /* TODO: (topointon): correctly set check_size in vm setup */
454 0 : vm = fd_vm_init(
455 0 : /* vm */ vm,
456 0 : /* instr_ctx */ instr_ctx,
457 0 : /* heap_max */ heap_max, /* TODO: configure heap allocator */
458 0 : /* entry_cu */ instr_ctx->txn_ctx->compute_meter,
459 0 : /* rodata */ prog->rodata,
460 0 : /* rodata_sz */ prog->rodata_sz,
461 0 : /* text */ (ulong *)((ulong)prog->rodata + (ulong)prog->text_off), /* Note: text_off is byte offset */
462 0 : /* text_cnt */ prog->text_cnt,
463 0 : /* text_off */ prog->text_off,
464 0 : /* text_sz */ prog->text_sz,
465 0 : /* entry_pc */ prog->entry_pc,
466 0 : /* calldests */ prog->calldests,
467 0 : /* sbpf_version */ prog->sbpf_version,
468 0 : /* syscalls */ syscalls,
469 : /* trace */ NULL,
470 0 : /* sha */ sha,
471 0 : /* input_mem_regions */ input_mem_regions,
472 0 : /* input_mem_regions_cnt */ input_mem_regions_cnt,
473 0 : /* acc_region_metas */ acc_region_metas,
474 0 : /* is_deprecated */ is_deprecated,
475 0 : /* direct_mapping */ direct_mapping,
476 0 : /* dump_syscall_to_pb */ dump_syscall_to_pb );
477 0 : if( FD_UNLIKELY( !vm ) ) {
478 : /* We throw an error here because it could be the case that the given heap_size > HEAP_MAX.
479 : In this case, Agave fails the transaction but does not error out.
480 :
481 : https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L1396 */
482 0 : FD_LOG_WARNING(( "null vm" ));
483 0 : return FD_EXECUTOR_INSTR_ERR_PROGRAM_ENVIRONMENT_SETUP_FAILURE;
484 0 : }
485 :
486 : #ifdef FD_DEBUG_SBPF_TRACES
487 : uchar * signature = (uchar*)vm->instr_ctx->txn_ctx->_txn_raw->raw + vm->instr_ctx->txn_ctx->txn_descriptor->signature_off;
488 : uchar sig[64];
489 : /* TODO (topointon): make this run-time configurable, no need for this ifdef */
490 : fd_base58_decode_64( "tkacc4VCh2z9cLsQowCnKqX14DmUUxpRyES755FhUzrFxSFvo8kVk444kNTL7kJxYnnANYwRWAdHCgBJupftZrz", sig );
491 : if( FD_UNLIKELY( !memcmp( signature, sig, 64UL ) ) ) {
492 : ulong event_max = FD_RUNTIME_VM_TRACE_EVENT_MAX;
493 : ulong event_data_max = FD_RUNTIME_VM_TRACE_EVENT_DATA_MAX;
494 : vm->trace = fd_vm_trace_join( fd_vm_trace_new( fd_spad_alloc(
495 : instr_ctx->txn_ctx->spad, fd_vm_trace_align(), fd_vm_trace_footprint( event_max, event_data_max ) ), event_max, event_data_max ) );
496 : if( FD_UNLIKELY( !vm->trace ) ) FD_LOG_ERR(( "unable to create trace; make sure you've compiled with sufficient spad size " ));
497 : }
498 : #endif
499 :
500 : /* https://github.com/anza-xyz/agave/blob/v2.2.0/programs/bpf_loader/src/lib.rs#L1440-L1447 */
501 0 : ulong heap_size = instr_ctx->txn_ctx->heap_size;
502 0 : ulong heap_cost = FD_VM_HEAP_COST;
503 0 : ulong heap_cost_result = calculate_heap_cost( heap_size, heap_cost );
504 :
505 0 : if( FD_UNLIKELY( heap_cost_result>vm->cu ) ) {
506 0 : return FD_EXECUTOR_INSTR_ERR_PROGRAM_ENVIRONMENT_SETUP_FAILURE;
507 0 : }
508 :
509 0 : vm->cu -= heap_cost_result;
510 :
511 0 : int exec_err = fd_vm_exec( vm );
512 0 : instr_ctx->txn_ctx->compute_meter = vm->cu;
513 :
514 0 : if( FD_UNLIKELY( vm->trace ) ) {
515 0 : err = fd_vm_trace_printf( vm->trace, vm->syscalls );
516 0 : if( FD_UNLIKELY( err ) ) {
517 0 : FD_LOG_WARNING(( "fd_vm_trace_printf failed (%i-%s)", err, fd_vm_strerror( err ) ));
518 0 : }
519 0 : }
520 :
521 : /* Log consumed compute units and return data.
522 : https://github.com/anza-xyz/agave/blob/v2.0.6/programs/bpf_loader/src/lib.rs#L1418-L1429 */
523 0 : fd_log_collector_program_consumed( instr_ctx, pre_insn_cus-vm->cu, pre_insn_cus );
524 0 : if( FD_UNLIKELY( instr_ctx->txn_ctx->return_data.len ) ) {
525 0 : fd_log_collector_program_return( instr_ctx );
526 0 : }
527 :
528 : /* Handles instr + EBPF errors */
529 0 : if( FD_UNLIKELY( exec_err!=FD_VM_SUCCESS ) ) {
530 :
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_SIGSYSCALL ) {
535 0 : instr_ctx->txn_ctx->compute_meter = 0UL;
536 0 : }
537 :
538 : /* EBPF error 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 && vm->segv_store_vaddr!=ULONG_MAX ) ) {
544 : /* vaddrs start at 0xFFFFFFFF + 1, so anything below it would not correspond to any account metadata. */
545 0 : if( FD_UNLIKELY( vm->segv_store_vaddr>>32UL==0UL ) ) {
546 0 : return FD_EXECUTOR_INSTR_ERR_PROGRAM_FAILED_TO_COMPLETE;
547 0 : }
548 :
549 : /* Find the account meta corresponding to the vaddr */
550 0 : ulong vaddr_offset = vm->segv_store_vaddr & FD_VM_OFFSET_MASK;
551 0 : ulong acc_region_addl_off = is_deprecated ? 0UL : MAX_PERMITTED_DATA_INCREASE;
552 :
553 : /* If the vaddr doesn't live in the input region, then we don't need to
554 : bother trying to iterate through all of the borrowed accounts. */
555 0 : if( FD_VADDR_TO_REGION( vm->segv_store_vaddr )!=FD_VM_INPUT_REGION ) {
556 0 : return FD_EXECUTOR_INSTR_ERR_PROGRAM_FAILED_TO_COMPLETE;
557 0 : }
558 :
559 : /* If the vaddr of the access violation falls within the bounds of a
560 : serialized account vaddr range, then try to retrieve a more specific
561 : vm error based on the account's accesss permissions. */
562 0 : for( ushort i=0UL; i<instr_ctx->instr->acct_cnt; i++ ) {
563 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L1455 */
564 0 : fd_guarded_borrowed_account_t instr_acc;
565 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, i, &instr_acc );
566 :
567 0 : ulong idx = acc_region_metas[i].region_idx;
568 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 ) {
569 :
570 : /* Found an input mem region!
571 : https://github.com/anza-xyz/agave/blob/89872fdb074e6658646b2b57a299984f0059cc84/programs/bpf_loader/src/lib.rs#L1515-L1528 */
572 0 : if( !FD_FEATURE_ACTIVE_BANK( instr_ctx->txn_ctx->bank, remove_accounts_executable_flag_checks ) &&
573 0 : fd_borrowed_account_is_executable( &instr_acc ) ) {
574 0 : err = FD_EXECUTOR_INSTR_ERR_EXECUTABLE_DATA_MODIFIED;
575 0 : } else if( fd_borrowed_account_is_writable( &instr_acc ) ) {
576 0 : err = FD_EXECUTOR_INSTR_ERR_EXTERNAL_DATA_MODIFIED;
577 0 : } else {
578 0 : err = FD_EXECUTOR_INSTR_ERR_READONLY_DATA_MODIFIED;
579 0 : }
580 0 : return err;
581 0 : }
582 0 : }
583 0 : }
584 :
585 : /* Instr error case */
586 : /* https://github.com/anza-xyz/agave/blob/v2.1.10/program-runtime/src/invoke_context.rs#L564-L577 */
587 : /* If the result returned from fd_vm_exec is an error, there are three possibilities:
588 : 1. When fd_vm_exec error is a SyscallError and error kind is an InstructionError, return the actual InstructionError
589 : 2. When fd_vm_exec error is a SyscallError, but error kind is not an InstructionError, return FD_EXECUTOR_INSTR_ERR_PROGRAM_FAILED_TO_COMPLETE
590 : 3. When fd_vm_exec error is not a SyscallError, return FD_EXECUTOR_INSTR_ERR_PROGRAM_FAILED_TO_COMPLETE
591 : */
592 0 : if( FD_UNLIKELY( exec_err==FD_VM_ERR_SIGSYSCALL && instr_ctx->txn_ctx->exec_err_kind==FD_EXECUTOR_ERR_KIND_INSTR ) ) {
593 0 : return instr_ctx->txn_ctx->exec_err;
594 0 : }
595 :
596 0 : return FD_EXECUTOR_INSTR_ERR_PROGRAM_FAILED_TO_COMPLETE;
597 0 : }
598 :
599 : /* Handles syscall errors
600 : TODO: vm should report */
601 0 : ulong syscall_err = vm->reg[0];
602 0 : if( FD_UNLIKELY( syscall_err ) ) {
603 : /* https://github.com/anza-xyz/agave/blob/v2.0.9/programs/bpf_loader/src/lib.rs#L1431-L1434 */
604 0 : err = program_error_to_instr_error( syscall_err, &instr_ctx->txn_ctx->custom_err );
605 0 : FD_VM_ERR_FOR_LOG_INSTR( vm, err );
606 0 : return err;
607 0 : }
608 :
609 0 : err = fd_bpf_loader_input_deserialize_parameters( instr_ctx, pre_lens, input, input_sz, direct_mapping, is_deprecated );
610 0 : if( FD_UNLIKELY( err ) ) {
611 0 : return err;
612 0 : }
613 :
614 0 : return FD_EXECUTOR_INSTR_SUCCESS;
615 0 : }
616 :
617 : /* https://github.com/anza-xyz/agave/blob/77daab497df191ef485a7ad36ed291c1874596e5/programs/bpf_loader/src/lib.rs#L566-L1444 */
618 : static int
619 0 : process_loader_upgradeable_instruction( fd_exec_instr_ctx_t * instr_ctx ) {
620 0 : uchar const * data = instr_ctx->instr->data;
621 0 : fd_spad_t * spad = instr_ctx->txn_ctx->spad;
622 :
623 0 : int err;
624 0 : fd_bpf_upgradeable_loader_program_instruction_t * instruction =
625 0 : fd_bincode_decode_spad(
626 0 : bpf_upgradeable_loader_program_instruction, spad,
627 0 : data,
628 0 : instr_ctx->instr->data_sz>FD_TXN_MTU ? FD_TXN_MTU: instr_ctx->instr->data_sz,
629 0 : &err );
630 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
631 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
632 0 : }
633 :
634 : /* https://github.com/anza-xyz/agave/blob/v2.2.0/programs/bpf_loader/src/lib.rs#L510 */
635 0 : fd_pubkey_t const * program_id = NULL;
636 0 : err = fd_exec_instr_ctx_get_last_program_key( instr_ctx, &program_id );
637 0 : if( FD_UNLIKELY( err ) ) {
638 0 : return err;
639 0 : }
640 :
641 0 : switch( instruction->discriminant ) {
642 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L476-L493 */
643 0 : case fd_bpf_upgradeable_loader_program_instruction_enum_initialize_buffer: {
644 0 : if( FD_UNLIKELY( fd_exec_instr_ctx_check_num_insn_accounts( instr_ctx, 2U ) ) ) {
645 0 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
646 0 : }
647 :
648 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L479 */
649 0 : fd_guarded_borrowed_account_t buffer;
650 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 0UL, &buffer );
651 0 : fd_bpf_upgradeable_loader_state_t * buffer_state = fd_bpf_loader_program_get_state( buffer.acct,
652 0 : spad,
653 0 : &err );
654 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
655 0 : return err;
656 0 : }
657 :
658 0 : if( FD_UNLIKELY( !fd_bpf_upgradeable_loader_state_is_uninitialized( buffer_state ) ) ) {
659 0 : fd_log_collector_msg_literal( instr_ctx, "Buffer account is already initialized" );
660 0 : return FD_EXECUTOR_INSTR_ERR_ACC_ALREADY_INITIALIZED;
661 0 : }
662 :
663 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L487-L489 */
664 0 : fd_pubkey_t const * authority_key = NULL;
665 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 1UL, &authority_key );
666 0 : if( FD_UNLIKELY( err ) ) {
667 0 : return err;
668 0 : }
669 :
670 0 : buffer_state->discriminant = fd_bpf_upgradeable_loader_state_enum_buffer;
671 0 : buffer_state->inner.buffer.authority_address = (fd_pubkey_t*)authority_key;
672 :
673 0 : err = fd_bpf_loader_v3_program_set_state( &buffer, buffer_state );
674 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
675 0 : return err;
676 0 : }
677 :
678 : /* implicit drop of buffer account */
679 :
680 0 : break;
681 0 : }
682 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L494-L525 */
683 0 : case fd_bpf_upgradeable_loader_program_instruction_enum_write: {
684 0 : if( FD_UNLIKELY( fd_exec_instr_ctx_check_num_insn_accounts( instr_ctx, 2U ) ) ) {
685 0 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
686 0 : }
687 :
688 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L497 */
689 0 : fd_guarded_borrowed_account_t buffer;
690 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 0UL, &buffer );
691 :
692 0 : fd_bpf_upgradeable_loader_state_t * loader_state = fd_bpf_loader_program_get_state( buffer.acct,
693 0 : spad,
694 0 : &err );
695 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
696 0 : return err;
697 0 : }
698 :
699 0 : if( fd_bpf_upgradeable_loader_state_is_buffer( loader_state ) ) {
700 0 : if( FD_UNLIKELY( !loader_state->inner.buffer.authority_address ) ) {
701 0 : fd_log_collector_msg_literal( instr_ctx, "Buffer is immutable" );
702 0 : return FD_EXECUTOR_INSTR_ERR_ACC_IMMUTABLE;
703 0 : }
704 :
705 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L505-L507 */
706 0 : fd_pubkey_t const * authority_key = NULL;
707 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 1UL, &authority_key );
708 0 : if( FD_UNLIKELY( err ) ) {
709 0 : return err;
710 0 : }
711 :
712 0 : if( FD_UNLIKELY( memcmp( loader_state->inner.buffer.authority_address, authority_key, sizeof(fd_pubkey_t) ) ) ) {
713 0 : fd_log_collector_msg_literal( instr_ctx, "Incorrect buffer authority provided" );
714 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_AUTHORITY;
715 0 : }
716 0 : if( FD_UNLIKELY( !fd_instr_acc_is_signer_idx( instr_ctx->instr, 1UL ) ) ) {
717 0 : fd_log_collector_msg_literal( instr_ctx, "Buffer authority did not sign" );
718 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
719 0 : }
720 0 : } else {
721 0 : fd_log_collector_msg_literal( instr_ctx, "Invalid Buffer account" );
722 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
723 0 : }
724 :
725 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L520 */
726 0 : fd_borrowed_account_drop( &buffer );
727 :
728 0 : ulong program_data_offset = fd_ulong_sat_add( BUFFER_METADATA_SIZE, instruction->inner.write.offset );
729 0 : err = write_program_data( instr_ctx,
730 0 : 0UL,
731 0 : program_data_offset,
732 0 : instruction->inner.write.bytes,
733 0 : instruction->inner.write.bytes_len );
734 0 : if( FD_UNLIKELY( err ) ) {
735 0 : return err;
736 0 : }
737 :
738 0 : break;
739 0 : }
740 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L526-L702 */
741 0 : case fd_bpf_upgradeable_loader_program_instruction_enum_deploy_with_max_data_len: {
742 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L527-L541 */
743 0 : if( FD_UNLIKELY( fd_exec_instr_ctx_check_num_insn_accounts( instr_ctx, 4U ) ) ) {
744 0 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
745 0 : }
746 :
747 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L529-L534 */
748 0 : fd_pubkey_t const * payer_key = NULL;
749 0 : fd_pubkey_t const * programdata_key = NULL;
750 :
751 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 0UL, &payer_key );
752 0 : if( FD_UNLIKELY( err ) ) {
753 0 : return err;
754 0 : }
755 :
756 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 1UL, &programdata_key );
757 0 : if( FD_UNLIKELY( err ) ) {
758 0 : return err;
759 0 : }
760 :
761 : /* rent is accessed directly from the epoch bank and the clock from the
762 : slot context. However, a check must be done to make sure that the
763 : sysvars are correctly included in the set of transaction accounts. */
764 0 : err = fd_sysvar_instr_acct_check( instr_ctx, 4UL, &fd_sysvar_rent_id );
765 0 : if( FD_UNLIKELY( err ) ) {
766 0 : return err;
767 0 : }
768 0 : err = fd_sysvar_instr_acct_check( instr_ctx, 5UL, &fd_sysvar_clock_id );
769 0 : if( FD_UNLIKELY( err ) ) {
770 0 : return err;
771 0 : }
772 :
773 0 : fd_sol_sysvar_clock_t const * clock = fd_sysvar_clock_read( instr_ctx->txn_ctx->funk, instr_ctx->txn_ctx->funk_txn, instr_ctx->txn_ctx->spad );
774 0 : if( FD_UNLIKELY( !clock ) ) {
775 0 : return FD_EXECUTOR_INSTR_ERR_GENERIC_ERR;
776 0 : }
777 :
778 : /* https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L538 */
779 0 : if( fd_exec_instr_ctx_check_num_insn_accounts( instr_ctx, 8U ) ) {
780 0 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
781 0 : }
782 :
783 : /* https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L539-L541 */
784 0 : fd_pubkey_t const * authority_key = NULL;
785 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 7UL, &authority_key );
786 0 : if( FD_UNLIKELY( err ) ) {
787 0 : return err;
788 0 : }
789 :
790 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L542-L560 */
791 : /* Verify Program account */
792 :
793 0 : fd_bpf_upgradeable_loader_state_t * loader_state = NULL;
794 0 : fd_pubkey_t * new_program_id = NULL;
795 0 : fd_rent_t const * rent = fd_bank_rent_query( instr_ctx->txn_ctx->bank );
796 :
797 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L545 */
798 0 : fd_guarded_borrowed_account_t program;
799 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 2UL, &program );
800 :
801 0 : loader_state = fd_bpf_loader_program_get_state( program.acct,
802 0 : spad,
803 0 : &err );
804 :
805 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
806 0 : return err;
807 0 : }
808 0 : if( FD_UNLIKELY( !fd_bpf_upgradeable_loader_state_is_uninitialized( loader_state ) ) ) {
809 0 : fd_log_collector_msg_literal( instr_ctx, "Program account already initialized" );
810 0 : return FD_EXECUTOR_INSTR_ERR_ACC_ALREADY_INITIALIZED;
811 0 : }
812 0 : if( FD_UNLIKELY( fd_borrowed_account_get_data_len( &program )<SIZE_OF_PROGRAM ) ) {
813 0 : fd_log_collector_msg_literal( instr_ctx, "Program account too small" );
814 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
815 0 : }
816 0 : if( FD_UNLIKELY( fd_borrowed_account_get_lamports( &program )<fd_rent_exempt_minimum_balance( rent,
817 0 : fd_borrowed_account_get_data_len( &program ) ) ) ) {
818 0 : fd_log_collector_msg_literal( instr_ctx, "Program account not rent-exempt" );
819 0 : return FD_EXECUTOR_INSTR_ERR_EXECUTABLE_ACCOUNT_NOT_RENT_EXEMPT;
820 0 : }
821 0 : new_program_id = program.acct->pubkey;
822 :
823 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L560 */
824 0 : fd_borrowed_account_drop( &program );
825 :
826 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L561-L600 */
827 : /* Verify Buffer account */
828 :
829 0 : fd_pubkey_t * buffer_key = NULL;
830 0 : ulong buffer_data_offset = 0UL;
831 0 : ulong buffer_data_len = 0UL;
832 0 : ulong programdata_len = 0UL;
833 :
834 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L564-L565 */
835 0 : fd_guarded_borrowed_account_t buffer;
836 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 3UL, &buffer );
837 :
838 0 : fd_bpf_upgradeable_loader_state_t * buffer_state = fd_bpf_loader_program_get_state( buffer.acct, spad, &err );
839 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
840 0 : return err;
841 0 : }
842 :
843 0 : if( fd_bpf_upgradeable_loader_state_is_buffer( buffer_state ) ) {
844 0 : if( FD_UNLIKELY( (authority_key==NULL) != (buffer_state->inner.buffer.authority_address == NULL) ||
845 0 : (authority_key!=NULL && memcmp( buffer_state->inner.buffer.authority_address, authority_key, sizeof(fd_pubkey_t) ) ) ) ) {
846 0 : fd_log_collector_msg_literal( instr_ctx, "Buffer and upgrade authority don't match" );
847 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_AUTHORITY;
848 0 : }
849 0 : if( FD_UNLIKELY( !fd_instr_acc_is_signer_idx( instr_ctx->instr, 7UL ) ) ) {
850 0 : fd_log_collector_msg_literal( instr_ctx, "Upgrade authority did not sign" );
851 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
852 0 : }
853 0 : } else {
854 0 : fd_log_collector_msg_literal( instr_ctx, "Invalid Buffer account" );
855 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
856 0 : }
857 0 : buffer_key = buffer.acct->pubkey;
858 0 : buffer_data_offset = BUFFER_METADATA_SIZE;
859 0 : buffer_data_len = fd_ulong_sat_sub( fd_borrowed_account_get_data_len( &buffer ), buffer_data_offset );
860 : /* UpgradeableLoaderState::size_of_program_data( max_data_len ) */
861 0 : programdata_len = fd_ulong_sat_add( PROGRAMDATA_METADATA_SIZE,
862 0 : instruction->inner.deploy_with_max_data_len.max_data_len );
863 :
864 0 : if( FD_UNLIKELY( fd_borrowed_account_get_data_len( &buffer )<BUFFER_METADATA_SIZE || buffer_data_len==0UL ) ) {
865 0 : fd_log_collector_msg_literal( instr_ctx, "Buffer account too small" );
866 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
867 0 : }
868 :
869 0 : if( FD_UNLIKELY( instruction->inner.deploy_with_max_data_len.max_data_len<buffer_data_len ) ) {
870 0 : fd_log_collector_msg_literal( instr_ctx, "Max data length is too small to hold Buffer data" );
871 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
872 0 : }
873 :
874 0 : if( FD_UNLIKELY( programdata_len>MAX_PERMITTED_DATA_LENGTH ) ) {
875 0 : fd_log_collector_msg_literal( instr_ctx, "Max data length is too large" );
876 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
877 0 : }
878 :
879 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L590 */
880 0 : fd_borrowed_account_drop( &buffer );
881 :
882 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L602-L608 */
883 : /* Create ProgramData account */
884 :
885 0 : fd_pubkey_t derived_address[ 1UL ];
886 0 : uchar * seeds[ 1UL ];
887 0 : seeds[ 0UL ] = (uchar *)new_program_id;
888 0 : ulong seed_sz = sizeof(fd_pubkey_t);
889 0 : uchar bump_seed = 0;
890 0 : err = fd_pubkey_find_program_address( program_id, 1UL, seeds, &seed_sz, derived_address,
891 0 : &bump_seed, &instr_ctx->txn_ctx->custom_err );
892 0 : if( FD_UNLIKELY( err ) ) {
893 : /* TODO: We should handle these errors more gracefully instead of just killing the client (e.g. excluding the transaction
894 : from the block). */
895 0 : FD_LOG_ERR(( "Unable to find a viable program address bump seed" )); // Solana panics, error code is undefined
896 0 : return err;
897 0 : }
898 0 : if( FD_UNLIKELY( memcmp( derived_address, programdata_key, sizeof(fd_pubkey_t) ) ) ) {
899 0 : fd_log_collector_msg_literal( instr_ctx, "ProgramData address is not derived" );
900 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
901 0 : }
902 :
903 : /* Drain the Buffer account to payer before paying for programdata account in a local scope
904 : https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L612-L628 */
905 :
906 0 : do {
907 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L615 */
908 0 : fd_guarded_borrowed_account_t payer;
909 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 0UL, &payer );
910 :
911 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L613 */
912 0 : fd_guarded_borrowed_account_t buffer;
913 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 3UL, &buffer );
914 :
915 0 : err = fd_borrowed_account_checked_add_lamports( &payer, fd_borrowed_account_get_lamports( &buffer ) );
916 0 : if( FD_UNLIKELY( err ) ) {
917 0 : return err;
918 0 : }
919 0 : err = fd_borrowed_account_set_lamports( &buffer, 0UL );
920 0 : if( FD_UNLIKELY( err ) ) {
921 0 : return err;
922 0 : }
923 0 : } while (0);
924 :
925 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L628-L642 */
926 : /* Pass an extra account to avoid the overly strict unbalanced instruction error */
927 : /* Invoke the system program to create the new account */
928 0 : uchar instr_data[FD_TXN_MTU];
929 0 : fd_system_program_instruction_create_account_t create_acct = {
930 0 : .lamports = fd_rent_exempt_minimum_balance( rent, programdata_len ),
931 0 : .space = programdata_len,
932 0 : .owner = *program_id,
933 0 : };
934 0 : if( !create_acct.lamports ) {
935 0 : create_acct.lamports = 1UL;
936 0 : }
937 :
938 0 : fd_system_program_instruction_t instr = {
939 0 : .discriminant = fd_system_program_instruction_enum_create_account,
940 0 : .inner = {
941 0 : .create_account = create_acct,
942 0 : }
943 0 : };
944 :
945 0 : fd_bincode_encode_ctx_t encode_ctx = {
946 0 : .data = instr_data,
947 0 : .dataend = instr_data + FD_TXN_MTU
948 0 : };
949 :
950 : // This should never fail.
951 0 : int err = fd_system_program_instruction_encode( &instr, &encode_ctx );
952 0 : if( FD_UNLIKELY( err ) ) {
953 0 : return FD_EXECUTOR_INSTR_ERR_FATAL;
954 0 : }
955 :
956 0 : fd_vm_rust_account_meta_t * acct_metas = (fd_vm_rust_account_meta_t*)
957 0 : fd_spad_alloc( instr_ctx->txn_ctx->spad,
958 0 : FD_VM_RUST_ACCOUNT_META_ALIGN,
959 0 : 3UL * sizeof(fd_vm_rust_account_meta_t) );
960 0 : fd_native_cpi_create_account_meta( payer_key, 1U, 1U, &acct_metas[ 0UL ] );
961 0 : fd_native_cpi_create_account_meta( programdata_key, 1U, 1U, &acct_metas[ 1UL ] );
962 0 : fd_native_cpi_create_account_meta( buffer_key, 0U, 1U, &acct_metas[ 2UL ] );
963 :
964 : /* caller_program_id == program_id */
965 0 : fd_pubkey_t signers[ 1UL ];
966 0 : err = fd_pubkey_derive_pda( program_id, 1UL, seeds, &seed_sz, &bump_seed, signers, &instr_ctx->txn_ctx->custom_err );
967 0 : if( FD_UNLIKELY( err ) ) {
968 0 : return err;
969 0 : }
970 0 : err = fd_native_cpi_native_invoke( instr_ctx,
971 0 : &fd_solana_system_program_id,
972 0 : instr_data,
973 0 : FD_TXN_MTU,
974 0 : acct_metas,
975 0 : 3UL,
976 0 : signers,
977 0 : 1UL );
978 0 : if( FD_UNLIKELY( err ) ) {
979 0 : return err;
980 0 : }
981 :
982 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L644-L665 */
983 : /* Load and verify the program bits */
984 :
985 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L648-L649 */
986 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 3UL, &buffer );
987 :
988 0 : if( FD_UNLIKELY( buffer_data_offset>fd_borrowed_account_get_data_len( &buffer ) ) ) {
989 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
990 0 : }
991 :
992 0 : const uchar * buffer_data = fd_borrowed_account_get_data( &buffer ) + buffer_data_offset;
993 :
994 0 : err = fd_deploy_program( instr_ctx, buffer_data, buffer_data_len, instr_ctx->txn_ctx->spad );
995 0 : if( FD_UNLIKELY( err ) ) {
996 0 : return err;
997 0 : }
998 :
999 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L657 */
1000 0 : fd_borrowed_account_drop( &buffer );
1001 :
1002 : /* Update the ProgramData account and record the program bits in a local scope
1003 : https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L669-L691 */
1004 0 : do {
1005 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L670-L671 */
1006 0 : fd_guarded_borrowed_account_t programdata;
1007 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 1UL, &programdata );
1008 :
1009 0 : fd_bpf_upgradeable_loader_state_t programdata_loader_state = {
1010 0 : .discriminant = fd_bpf_upgradeable_loader_state_enum_program_data,
1011 0 : .inner.program_data = {
1012 0 : .slot = clock->slot,
1013 0 : .upgrade_authority_address = (fd_pubkey_t *)authority_key,
1014 0 : },
1015 0 : };
1016 0 : err = fd_bpf_loader_v3_program_set_state( &programdata, &programdata_loader_state );
1017 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1018 0 : return err;
1019 0 : }
1020 :
1021 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L675-L689 */
1022 0 : if( FD_UNLIKELY( PROGRAMDATA_METADATA_SIZE+buffer_data_len>fd_borrowed_account_get_data_len( &programdata ) ) ) {
1023 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
1024 0 : }
1025 0 : if( FD_UNLIKELY( buffer_data_offset>fd_borrowed_account_get_data_len( &buffer ) ) ) {
1026 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
1027 0 : }
1028 :
1029 0 : uchar * programdata_data = NULL;
1030 0 : ulong programdata_dlen = 0UL;
1031 0 : err = fd_borrowed_account_get_data_mut( &programdata, &programdata_data, &programdata_dlen );
1032 0 : if( FD_UNLIKELY( err ) ) {
1033 0 : return err;
1034 0 : }
1035 :
1036 0 : uchar * dst_slice = programdata_data + PROGRAMDATA_METADATA_SIZE;
1037 0 : ulong dst_slice_len = buffer_data_len;
1038 :
1039 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L683-L684 */
1040 0 : fd_guarded_borrowed_account_t buffer;
1041 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 3UL, &buffer );
1042 :
1043 0 : if( FD_UNLIKELY( buffer_data_offset>fd_borrowed_account_get_data_len( &buffer ) ) ) {
1044 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
1045 0 : }
1046 0 : const uchar * src_slice = fd_borrowed_account_get_data( &buffer ) + buffer_data_offset;
1047 0 : fd_memcpy( dst_slice, src_slice, dst_slice_len );
1048 : /* Update buffer data length.
1049 : BUFFER_METADATA_SIZE == UpgradeableLoaderState::size_of_buffer(0) */
1050 0 : err = fd_borrowed_account_set_data_length( &buffer, BUFFER_METADATA_SIZE );
1051 0 : if( FD_UNLIKELY( err ) ) {
1052 0 : return err;
1053 0 : }
1054 0 : } while(0);
1055 :
1056 : /* Max msg_sz: 19 - 2 + 45 = 62 < 127 => we can use printf */
1057 0 : fd_log_collector_printf_dangerous_max_127( instr_ctx, "Deployed program %s", FD_BASE58_ENC_32_ALLOCA( program_id ) );
1058 :
1059 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L692-L699 */
1060 :
1061 : /* Update the Program account
1062 : https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L694-L695 */
1063 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 2UL, &program );
1064 :
1065 0 : loader_state->discriminant = fd_bpf_upgradeable_loader_state_enum_program;
1066 0 : loader_state->inner.program.programdata_address = *programdata_key;
1067 0 : err = fd_bpf_loader_v3_program_set_state( &program, loader_state );
1068 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1069 0 : return err;
1070 0 : }
1071 0 : err = fd_borrowed_account_set_executable( &program, 1 );
1072 0 : if( FD_UNLIKELY( err ) ) {
1073 0 : return err;
1074 0 : }
1075 :
1076 0 : FD_LOG_INFO(( "Program deployed %s", FD_BASE58_ENC_32_ALLOCA( program.acct->pubkey ) ));
1077 :
1078 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L700 */
1079 0 : fd_borrowed_account_drop( &program );
1080 :
1081 0 : break;
1082 0 : }
1083 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L703-L891 */
1084 0 : case fd_bpf_upgradeable_loader_program_instruction_enum_upgrade: {
1085 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L704-L714 */
1086 0 : if( FD_UNLIKELY( fd_exec_instr_ctx_check_num_insn_accounts( instr_ctx, 3U ) ) ) {
1087 0 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
1088 0 : }
1089 :
1090 : /* https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L706-L708 */
1091 0 : fd_pubkey_t const * programdata_key = NULL;
1092 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 0UL, &programdata_key );
1093 0 : if( FD_UNLIKELY( err ) ) {
1094 0 : return err;
1095 0 : }
1096 :
1097 : /* rent is accessed directly from the epoch bank and the clock from the
1098 : slot context. However, a check must be done to make sure that the
1099 : sysvars are correctly included in the set of transaction accounts. */
1100 0 : err = fd_sysvar_instr_acct_check( instr_ctx, 4UL, &fd_sysvar_rent_id );
1101 0 : if( FD_UNLIKELY( err ) ) {
1102 0 : return err;
1103 0 : }
1104 0 : err = fd_sysvar_instr_acct_check( instr_ctx, 5UL, &fd_sysvar_clock_id );
1105 0 : if( FD_UNLIKELY( err ) ) {
1106 0 : return err;
1107 0 : }
1108 :
1109 0 : if( FD_UNLIKELY( fd_exec_instr_ctx_check_num_insn_accounts( instr_ctx, 7U ) ) ) {
1110 0 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
1111 0 : }
1112 :
1113 : /* https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L713-L715 */
1114 0 : fd_pubkey_t const * authority_key = NULL;
1115 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 6UL, &authority_key );
1116 0 : if( FD_UNLIKELY( err ) ) {
1117 0 : return err;
1118 0 : }
1119 :
1120 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L716-L745 */
1121 : /* Verify Program account */
1122 :
1123 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L719-L720 */
1124 0 : fd_guarded_borrowed_account_t program;
1125 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 1UL, &program );
1126 :
1127 : /* https://github.com/anza-xyz/agave/blob/89872fdb074e6658646b2b57a299984f0059cc84/programs/bpf_loader/src/lib.rs#L758-L765 */
1128 0 : if( FD_UNLIKELY( !FD_FEATURE_ACTIVE_BANK( instr_ctx->txn_ctx->bank, remove_accounts_executable_flag_checks ) &&
1129 0 : !fd_borrowed_account_is_executable( &program ) ) ) {
1130 0 : fd_log_collector_msg_literal( instr_ctx, "Program account not executable" );
1131 0 : return FD_EXECUTOR_INSTR_ERR_ACC_NOT_EXECUTABLE;
1132 0 : }
1133 0 : if( FD_UNLIKELY( !fd_borrowed_account_is_writable( &program ) ) ) {
1134 0 : fd_log_collector_msg_literal( instr_ctx, "Program account not writeable" );
1135 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1136 0 : }
1137 0 : if( FD_UNLIKELY( memcmp( fd_borrowed_account_get_owner( &program ), program_id, sizeof(fd_pubkey_t) ) ) ) {
1138 0 : fd_log_collector_msg_literal( instr_ctx, "Program account not owned by loader" );
1139 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_PROGRAM_ID;
1140 0 : }
1141 0 : fd_bpf_upgradeable_loader_state_t * program_state = fd_bpf_loader_program_get_state( program.acct, spad, &err );
1142 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1143 0 : return err;
1144 0 : }
1145 0 : if( FD_UNLIKELY( fd_bpf_upgradeable_loader_state_is_program( program_state ) ) ) {
1146 0 : if( FD_UNLIKELY( memcmp( &program_state->inner.program.programdata_address, programdata_key, sizeof(fd_pubkey_t) ) ) ) {
1147 0 : fd_log_collector_msg_literal( instr_ctx, "Program and ProgramData account mismatch" );
1148 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1149 0 : }
1150 0 : } else {
1151 0 : fd_log_collector_msg_literal( instr_ctx, "Invalid Program account" );
1152 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
1153 0 : }
1154 :
1155 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L746 */
1156 0 : fd_borrowed_account_drop( &program );
1157 :
1158 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L747-L773 */
1159 : /* Verify Buffer account */
1160 :
1161 0 : ulong buffer_lamports = 0UL;
1162 0 : ulong buffer_data_offset = 0UL;
1163 0 : ulong buffer_data_len = 0UL;
1164 :
1165 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L750-L751 */
1166 0 : fd_guarded_borrowed_account_t buffer;
1167 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 2UL, &buffer );
1168 :
1169 0 : fd_bpf_upgradeable_loader_state_t * buffer_state = fd_bpf_loader_program_get_state( buffer.acct, spad, &err );
1170 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1171 0 : return err;
1172 0 : }
1173 0 : if( fd_bpf_upgradeable_loader_state_is_buffer( buffer_state ) ) {
1174 0 : if( FD_UNLIKELY( (authority_key==NULL) != (buffer_state->inner.buffer.authority_address == NULL) ||
1175 0 : (authority_key!=NULL && memcmp( buffer_state->inner.buffer.authority_address, authority_key, sizeof(fd_pubkey_t) ) ) ) ) {
1176 0 : fd_log_collector_msg_literal( instr_ctx, "Buffer and upgrade authority don't match" );
1177 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_AUTHORITY;
1178 0 : }
1179 0 : if( FD_UNLIKELY( !fd_instr_acc_is_signer_idx( instr_ctx->instr, 6UL ) ) ) {
1180 0 : fd_log_collector_msg_literal( instr_ctx, "Upgrade authority did not sign" );
1181 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
1182 0 : }
1183 0 : } else {
1184 0 : fd_log_collector_msg_literal( instr_ctx, "Invalid Buffer account" );
1185 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1186 0 : }
1187 0 : buffer_lamports = fd_borrowed_account_get_lamports( &buffer );
1188 0 : buffer_data_offset = BUFFER_METADATA_SIZE;
1189 0 : buffer_data_len = fd_ulong_sat_sub( fd_borrowed_account_get_data_len( &buffer ), buffer_data_offset );
1190 0 : if( FD_UNLIKELY( fd_borrowed_account_get_data_len( &buffer )<BUFFER_METADATA_SIZE || buffer_data_len==0UL ) ) {
1191 0 : fd_log_collector_msg_literal( instr_ctx, "Buffer account too small" );
1192 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
1193 0 : }
1194 :
1195 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L774 */
1196 0 : fd_borrowed_account_drop( &buffer );
1197 :
1198 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L775-L823 */
1199 : /* Verify ProgramData account */
1200 :
1201 0 : ulong programdata_data_offset = PROGRAMDATA_METADATA_SIZE;
1202 0 : fd_bpf_upgradeable_loader_state_t * programdata_state = NULL;
1203 0 : ulong programdata_balance_required = 0UL;
1204 :
1205 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L778-L779 */
1206 0 : fd_guarded_borrowed_account_t programdata;
1207 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 0UL, &programdata );
1208 :
1209 0 : fd_rent_t const * rent = fd_bank_rent_query( instr_ctx->txn_ctx->bank );
1210 :
1211 0 : programdata_balance_required = fd_ulong_max( 1UL, fd_rent_exempt_minimum_balance( rent, fd_borrowed_account_get_data_len( &programdata ) ) );
1212 :
1213 0 : if( FD_UNLIKELY( fd_borrowed_account_get_data_len( &programdata )<fd_ulong_sat_add( PROGRAMDATA_METADATA_SIZE, buffer_data_len ) ) ) {
1214 0 : fd_log_collector_msg_literal( instr_ctx, "ProgramData account not large enough" );
1215 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
1216 0 : }
1217 0 : if( FD_UNLIKELY( fd_ulong_sat_add( fd_borrowed_account_get_lamports( &programdata ), buffer_lamports )<programdata_balance_required ) ) {
1218 0 : fd_log_collector_msg_literal( instr_ctx, "Buffer account balance too low to fund upgrade" );
1219 0 : return FD_EXECUTOR_INSTR_ERR_INSUFFICIENT_FUNDS;
1220 0 : }
1221 0 : programdata_state = fd_bpf_loader_program_get_state( programdata.acct, spad, &err );
1222 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1223 0 : return err;
1224 0 : }
1225 :
1226 0 : fd_sol_sysvar_clock_t const * clock = fd_sysvar_clock_read( instr_ctx->txn_ctx->funk, instr_ctx->txn_ctx->funk_txn, instr_ctx->txn_ctx->spad );
1227 0 : if( FD_UNLIKELY( !clock ) ) {
1228 0 : return FD_EXECUTOR_INSTR_ERR_GENERIC_ERR;
1229 0 : }
1230 :
1231 0 : if( fd_bpf_upgradeable_loader_state_is_program_data( programdata_state ) ) {
1232 0 : if( FD_UNLIKELY( clock->slot==programdata_state->inner.program_data.slot ) ) {
1233 0 : fd_log_collector_msg_literal( instr_ctx, "Program was deployed in this block already" );
1234 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1235 0 : }
1236 0 : if( FD_UNLIKELY( !programdata_state->inner.program_data.upgrade_authority_address ) ) {
1237 0 : fd_log_collector_msg_literal( instr_ctx, "Prrogram not upgradeable" );
1238 0 : return FD_EXECUTOR_INSTR_ERR_ACC_IMMUTABLE;
1239 0 : }
1240 0 : if( FD_UNLIKELY( memcmp( programdata_state->inner.program_data.upgrade_authority_address, authority_key, sizeof(fd_pubkey_t) ) ) ) {
1241 0 : fd_log_collector_msg_literal( instr_ctx, "Incorrect upgrade authority provided" );
1242 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_AUTHORITY;
1243 0 : }
1244 0 : if( FD_UNLIKELY( !fd_instr_acc_is_signer_idx( instr_ctx->instr, 6UL ) ) ) {
1245 0 : fd_log_collector_msg_literal( instr_ctx, "Upgrade authority did not sign" );
1246 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
1247 0 : }
1248 0 : } else {
1249 0 : fd_log_collector_msg_literal( instr_ctx, "Invalid ProgramData account" );
1250 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
1251 0 : }
1252 :
1253 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L824 */
1254 0 : fd_borrowed_account_drop( &programdata );
1255 :
1256 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L825-L845 */
1257 : /* Load and verify the program bits */
1258 :
1259 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L827-L828 */
1260 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 2UL, &buffer );
1261 :
1262 0 : if( FD_UNLIKELY( buffer_data_offset>fd_borrowed_account_get_data_len( &buffer ) ) ) {
1263 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
1264 0 : }
1265 :
1266 0 : const uchar * buffer_data = fd_borrowed_account_get_data( &buffer ) + buffer_data_offset;
1267 0 : err = fd_deploy_program( instr_ctx, buffer_data, buffer_data_len, instr_ctx->txn_ctx->spad );
1268 0 : if( FD_UNLIKELY( err ) ) {
1269 0 : return err;
1270 0 : }
1271 :
1272 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L836 */
1273 0 : fd_borrowed_account_drop( &buffer );
1274 :
1275 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L849-L850 */
1276 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 0UL, &programdata );
1277 :
1278 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L846-L874 */
1279 : /* Update the ProgramData account, record the upgraded data, and zero the rest in a local scope */
1280 0 : do {
1281 0 : programdata_state->discriminant = fd_bpf_upgradeable_loader_state_enum_program_data;
1282 0 : programdata_state->inner.program_data.slot = clock->slot;
1283 0 : programdata_state->inner.program_data.upgrade_authority_address = (fd_pubkey_t *)authority_key;
1284 0 : err = fd_bpf_loader_v3_program_set_state( &programdata, programdata_state );
1285 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1286 0 : return err;
1287 0 : }
1288 :
1289 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L846-L875 */
1290 : /* We want to copy over the data and zero out the rest */
1291 0 : if( FD_UNLIKELY( programdata_data_offset+buffer_data_len>fd_borrowed_account_get_data_len( &programdata ) ) ) {
1292 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
1293 0 : }
1294 :
1295 0 : uchar * programdata_data = NULL;
1296 0 : ulong programdata_dlen = 0UL;
1297 0 : err = fd_borrowed_account_get_data_mut( &programdata, &programdata_data, &programdata_dlen );
1298 0 : if( FD_UNLIKELY( err ) ) {
1299 0 : return err;
1300 0 : }
1301 0 : uchar * dst_slice = programdata_data + programdata_data_offset;
1302 0 : ulong dst_slice_len = buffer_data_len;
1303 :
1304 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L863-L864 */
1305 0 : fd_guarded_borrowed_account_t buffer;
1306 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 2UL, &buffer );
1307 :
1308 0 : if( FD_UNLIKELY( buffer_data_offset>fd_borrowed_account_get_data_len( &buffer ) ) ){
1309 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
1310 0 : }
1311 :
1312 0 : const uchar * src_slice = fd_borrowed_account_get_data( &buffer ) + buffer_data_offset;
1313 0 : fd_memcpy( dst_slice, src_slice, dst_slice_len );
1314 0 : fd_memset( dst_slice + dst_slice_len, 0, fd_borrowed_account_get_data_len( &programdata ) - programdata_data_offset - dst_slice_len );
1315 :
1316 : /* implicit drop of buffer */
1317 0 : } while (0);
1318 :
1319 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L876-L891 */
1320 : /* Fund ProgramData to rent-exemption, spill the rest */
1321 :
1322 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L878-L879 */
1323 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 2UL, &buffer );
1324 :
1325 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L880-L881 */
1326 0 : fd_guarded_borrowed_account_t spill;
1327 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 3UL, &spill );
1328 :
1329 0 : ulong spill_addend = fd_ulong_sat_sub( fd_ulong_sat_add( fd_borrowed_account_get_lamports( &programdata ), buffer_lamports ),
1330 0 : programdata_balance_required );
1331 0 : err = fd_borrowed_account_checked_add_lamports( &spill, spill_addend );
1332 0 : if( FD_UNLIKELY( err ) ) {
1333 0 : return err;
1334 0 : }
1335 0 : err = fd_borrowed_account_set_lamports( &buffer, 0UL );
1336 0 : if( FD_UNLIKELY( err ) ) {
1337 0 : return err;
1338 0 : }
1339 0 : err = fd_borrowed_account_set_lamports( &programdata, programdata_balance_required );
1340 0 : if( FD_UNLIKELY( err ) ) {
1341 0 : return err;
1342 0 : }
1343 :
1344 : /* Buffer account set_data_length */
1345 0 : err = fd_borrowed_account_set_data_length( &buffer, BUFFER_METADATA_SIZE );
1346 0 : if( FD_UNLIKELY( err ) ) {
1347 0 : return err;
1348 0 : }
1349 :
1350 : /* buffer is dropped when it goes out of scope */
1351 : /* spill is dropped when it goes out of scope */
1352 : /* programdata is dropped when it goes out of scope */
1353 :
1354 : /* Max msg_sz: 19 - 2 + 45 = 62 < 127 => we can use printf */
1355 : //TODO: this is likely the incorrect program_id, do we have new_program_id?
1356 0 : fd_log_collector_printf_dangerous_max_127( instr_ctx, "Upgraded program %s", FD_BASE58_ENC_32_ALLOCA( program_id ) );
1357 :
1358 0 : break;
1359 0 : }
1360 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L893-L957 */
1361 0 : case fd_bpf_upgradeable_loader_program_instruction_enum_set_authority: {
1362 0 : int err;
1363 0 : if( FD_UNLIKELY( fd_exec_instr_ctx_check_num_insn_accounts( instr_ctx, 2U ) ) ) {
1364 0 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
1365 0 : }
1366 :
1367 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L896-L897 */
1368 0 : fd_guarded_borrowed_account_t account;
1369 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 0UL, &account );
1370 :
1371 : /* https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L898-L900 */
1372 0 : fd_pubkey_t const * present_authority_key = NULL;
1373 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 1UL, &present_authority_key );
1374 0 : if( FD_UNLIKELY( err ) ) {
1375 0 : return err;
1376 0 : }
1377 :
1378 : /* Don't check the error here because the new_authority key is allowed to be NULL until further checks.
1379 : https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L901-L906 */
1380 0 : fd_pubkey_t const * new_authority = NULL;
1381 0 : fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 2UL, &new_authority );
1382 :
1383 0 : fd_bpf_upgradeable_loader_state_t * account_state = fd_bpf_loader_program_get_state( account.acct,
1384 0 : spad,
1385 0 : &err );
1386 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1387 0 : return err;
1388 0 : }
1389 :
1390 0 : if( fd_bpf_upgradeable_loader_state_is_buffer( account_state ) ) {
1391 0 : if( FD_UNLIKELY( !new_authority ) ) {
1392 0 : fd_log_collector_msg_literal( instr_ctx, "Buffer authority is not optional" );
1393 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_AUTHORITY;
1394 0 : }
1395 0 : if( FD_UNLIKELY( !account_state->inner.buffer.authority_address ) ) {
1396 0 : fd_log_collector_msg_literal( instr_ctx, "Buffer is immutable" );
1397 0 : return FD_EXECUTOR_INSTR_ERR_ACC_IMMUTABLE;
1398 0 : }
1399 0 : if( FD_UNLIKELY( memcmp( account_state->inner.buffer.authority_address, present_authority_key, sizeof(fd_pubkey_t) ) ) ) {
1400 0 : fd_log_collector_msg_literal( instr_ctx, "Incorrect buffer authority provided" );
1401 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_AUTHORITY;
1402 0 : }
1403 0 : if( FD_UNLIKELY( !fd_instr_acc_is_signer_idx( instr_ctx->instr, 1UL ) ) ) {
1404 0 : fd_log_collector_msg_literal( instr_ctx, "Buffer authority did not sign" );
1405 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
1406 0 : }
1407 :
1408 : /* copy in the authority public key into the authority address.
1409 : https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L926-L928 */
1410 0 : *account_state->inner.buffer.authority_address = *new_authority;
1411 :
1412 0 : err = fd_bpf_loader_v3_program_set_state( &account, account_state );
1413 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1414 0 : return err;
1415 0 : }
1416 0 : } else if( fd_bpf_upgradeable_loader_state_is_program_data( account_state ) ) {
1417 0 : if( FD_UNLIKELY( !account_state->inner.program_data.upgrade_authority_address ) ) {
1418 0 : fd_log_collector_msg_literal( instr_ctx, "Program not upgradeable" );
1419 0 : return FD_EXECUTOR_INSTR_ERR_ACC_IMMUTABLE;
1420 0 : }
1421 0 : if( FD_UNLIKELY( memcmp( account_state->inner.program_data.upgrade_authority_address, present_authority_key, sizeof(fd_pubkey_t) ) ) ) {
1422 0 : fd_log_collector_msg_literal( instr_ctx, "Incorrect upgrade authority provided" );
1423 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_AUTHORITY;
1424 0 : }
1425 0 : if( FD_UNLIKELY( !fd_instr_acc_is_signer_idx( instr_ctx->instr, 1UL ) ) ) {
1426 0 : fd_log_collector_msg_literal( instr_ctx, "Upgrade authority did not sign" );
1427 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
1428 0 : }
1429 :
1430 : /* copy in the authority public key into the upgrade authority address.
1431 : https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L946-L949 */
1432 0 : if( new_authority ) {
1433 0 : *account_state->inner.program_data.upgrade_authority_address = *new_authority;
1434 0 : } else {
1435 0 : account_state->inner.program_data.upgrade_authority_address = NULL;
1436 0 : }
1437 :
1438 0 : err = fd_bpf_loader_v3_program_set_state( &account, account_state );
1439 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1440 0 : return err;
1441 0 : }
1442 0 : } else {
1443 0 : fd_log_collector_msg_literal( instr_ctx, "Account does not support authorities" );
1444 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1445 0 : }
1446 :
1447 : /* Max msg_sz: 16 - 2 + 45 = 59 < 127 => we can use printf */
1448 0 : fd_log_collector_printf_dangerous_max_127( instr_ctx, "New authority %s", FD_BASE58_ENC_32_ALLOCA( new_authority ) );
1449 :
1450 : /* implicit drop of account */
1451 :
1452 0 : break;
1453 0 : }
1454 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L958-L1030 */
1455 0 : case fd_bpf_upgradeable_loader_program_instruction_enum_set_authority_checked: {
1456 0 : int err;
1457 0 : if( !FD_FEATURE_ACTIVE_BANK( instr_ctx->txn_ctx->bank, enable_bpf_loader_set_authority_checked_ix ) ) {
1458 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
1459 0 : }
1460 :
1461 0 : if( FD_UNLIKELY( fd_exec_instr_ctx_check_num_insn_accounts( instr_ctx, 3U ) ) ) {
1462 0 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
1463 0 : }
1464 :
1465 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L968-L969 */
1466 0 : fd_guarded_borrowed_account_t account;
1467 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 0UL, &account );
1468 :
1469 : /* https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L970-L975 */
1470 0 : fd_pubkey_t const * present_authority_key = NULL;
1471 0 : fd_pubkey_t const * new_authority_key = NULL;
1472 :
1473 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 1UL, &present_authority_key );
1474 0 : if( FD_UNLIKELY( err ) ) {
1475 0 : return err;
1476 0 : }
1477 :
1478 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 2UL, &new_authority_key );
1479 0 : if( FD_UNLIKELY( err ) ) {
1480 0 : return err;
1481 0 : }
1482 :
1483 :
1484 0 : fd_bpf_upgradeable_loader_state_t * account_state = fd_bpf_loader_program_get_state( account.acct, spad, &err );
1485 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1486 0 : return err;
1487 0 : }
1488 :
1489 0 : if( fd_bpf_upgradeable_loader_state_is_buffer( account_state ) ) {
1490 0 : if( FD_UNLIKELY( !account_state->inner.buffer.authority_address ) ) {
1491 0 : fd_log_collector_msg_literal( instr_ctx, "Buffer is immutable" );
1492 0 : return FD_EXECUTOR_INSTR_ERR_ACC_IMMUTABLE;
1493 0 : }
1494 0 : if( FD_UNLIKELY( memcmp( account_state->inner.buffer.authority_address, present_authority_key, sizeof(fd_pubkey_t) ) ) ) {
1495 0 : fd_log_collector_msg_literal( instr_ctx, "Incorrect buffer authority provided" );
1496 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_AUTHORITY;
1497 0 : }
1498 0 : if( FD_UNLIKELY( !fd_instr_acc_is_signer_idx( instr_ctx->instr, 1UL ) ) ) {
1499 0 : fd_log_collector_msg_literal( instr_ctx, "Buffer authority did not sign" );
1500 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
1501 0 : }
1502 0 : if( FD_UNLIKELY( !fd_instr_acc_is_signer_idx( instr_ctx->instr, 2UL ) ) ) {
1503 0 : fd_log_collector_msg_literal( instr_ctx, "New authority did not sign" );
1504 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
1505 0 : }
1506 0 : account_state->inner.buffer.authority_address = (fd_pubkey_t*)new_authority_key;
1507 0 : err = fd_bpf_loader_v3_program_set_state( &account, account_state );
1508 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1509 0 : return err;
1510 0 : }
1511 0 : } else if( fd_bpf_upgradeable_loader_state_is_program_data( account_state ) ) {
1512 0 : if( FD_UNLIKELY( !account_state->inner.program_data.upgrade_authority_address ) ) {
1513 0 : fd_log_collector_msg_literal( instr_ctx, "Program not upgradeable" );
1514 0 : return FD_EXECUTOR_INSTR_ERR_ACC_IMMUTABLE;
1515 0 : }
1516 0 : if( FD_UNLIKELY( memcmp( account_state->inner.program_data.upgrade_authority_address, present_authority_key, sizeof(fd_pubkey_t) ) ) ) {
1517 0 : fd_log_collector_msg_literal( instr_ctx, "Incorrect upgrade authority provided" );
1518 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_AUTHORITY;
1519 0 : }
1520 0 : if( FD_UNLIKELY( !fd_instr_acc_is_signer_idx( instr_ctx->instr, 1UL ) ) ) {
1521 0 : fd_log_collector_msg_literal( instr_ctx, "Upgrade authority did not sign" );
1522 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
1523 0 : }
1524 0 : if( FD_UNLIKELY( !fd_instr_acc_is_signer_idx( instr_ctx->instr, 2UL ) ) ) {
1525 0 : fd_log_collector_msg_literal( instr_ctx, "New authority did not sign" );
1526 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
1527 0 : }
1528 0 : account_state->inner.program_data.upgrade_authority_address = (fd_pubkey_t*)new_authority_key;
1529 0 : err = fd_bpf_loader_v3_program_set_state( &account, account_state );
1530 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1531 0 : return err;
1532 0 : }
1533 0 : } else {
1534 0 : fd_log_collector_msg_literal( instr_ctx, "Account does not support authorities" );
1535 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1536 0 : }
1537 :
1538 : /* Max msg_sz: 16 - 2 + 45 = 59 < 127 => we can use printf */
1539 0 : fd_log_collector_printf_dangerous_max_127( instr_ctx, "New authority %s", FD_BASE58_ENC_32_ALLOCA( new_authority_key ) );
1540 :
1541 : /* implicit drop of account */
1542 :
1543 0 : break;
1544 0 : }
1545 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L1031-L1134 */
1546 0 : case fd_bpf_upgradeable_loader_program_instruction_enum_close: {
1547 0 : int err;
1548 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L1032-L1046 */
1549 0 : if( FD_UNLIKELY( fd_exec_instr_ctx_check_num_insn_accounts( instr_ctx, 2U ) ) ) {
1550 0 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
1551 0 : }
1552 :
1553 : /* It's safe to directly access the instruction accounts because we already checked for two
1554 : instruction accounts previously.
1555 : https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L1034-L1035 */
1556 0 : if( FD_UNLIKELY( instr_ctx->instr->accounts[ 0UL ].index_in_transaction ==
1557 0 : instr_ctx->instr->accounts[ 1UL ].index_in_transaction ) ) {
1558 0 : fd_log_collector_msg_literal( instr_ctx, "Recipient is the same as the account being closed" );
1559 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1560 0 : }
1561 :
1562 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L1043-L1044 */
1563 0 : fd_guarded_borrowed_account_t close_account;
1564 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 0UL, &close_account );
1565 :
1566 0 : fd_pubkey_t * close_key = close_account.acct->pubkey;
1567 0 : fd_bpf_upgradeable_loader_state_t * close_account_state = fd_bpf_loader_program_get_state( close_account.acct, spad, &err );
1568 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1569 0 : return err;
1570 0 : }
1571 : /* Close account set data length */
1572 0 : err = fd_borrowed_account_set_data_length( &close_account, SIZE_OF_UNINITIALIZED );
1573 0 : if( FD_UNLIKELY( err ) ) {
1574 0 : return err;
1575 0 : }
1576 :
1577 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L1049-L1056 */
1578 0 : if( fd_bpf_upgradeable_loader_state_is_uninitialized( close_account_state ) ) {
1579 :
1580 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L1050-L1051 */
1581 0 : fd_guarded_borrowed_account_t recipient_account;
1582 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 1UL, &recipient_account );
1583 :
1584 0 : err = fd_borrowed_account_checked_add_lamports( &recipient_account, fd_borrowed_account_get_lamports( &close_account ) );
1585 0 : if( FD_UNLIKELY( err ) ) {
1586 0 : return err;
1587 0 : }
1588 0 : err = fd_borrowed_account_set_lamports( &close_account, 0UL );
1589 0 : if( FD_UNLIKELY( err ) ) {
1590 0 : return err;
1591 0 : }
1592 : /* Max msg_sz: 23 - 2 + 45 = 66 < 127 => we can use printf */
1593 0 : fd_log_collector_printf_dangerous_max_127( instr_ctx,
1594 0 : "Closed Uninitialized %s", FD_BASE58_ENC_32_ALLOCA( close_key ) );
1595 :
1596 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L1057-L1068 */
1597 0 : } else if( fd_bpf_upgradeable_loader_state_is_buffer( close_account_state ) ) {
1598 :
1599 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L1059 */
1600 0 : fd_borrowed_account_drop( &close_account );
1601 :
1602 0 : if( FD_UNLIKELY( fd_exec_instr_ctx_check_num_insn_accounts( instr_ctx, 3U ) ) ) {
1603 0 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
1604 0 : }
1605 :
1606 0 : err = common_close_account( close_account_state->inner.buffer.authority_address, instr_ctx, close_account_state );
1607 0 : if( FD_UNLIKELY( err ) ) {
1608 0 : return err;
1609 0 : }
1610 : /* Max msg_sz: 16 - 2 + 45 = 63 < 127 => we can use printf */
1611 0 : fd_log_collector_printf_dangerous_max_127( instr_ctx,
1612 0 : "Closed Buffer %s", FD_BASE58_ENC_32_ALLOCA( close_key ) );
1613 :
1614 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L1069-L1129 */
1615 0 : } else if( fd_bpf_upgradeable_loader_state_is_program_data( close_account_state ) ) {
1616 0 : int err;
1617 0 : if( FD_UNLIKELY( fd_exec_instr_ctx_check_num_insn_accounts( instr_ctx, 4U ) ) ) {
1618 0 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
1619 0 : }
1620 :
1621 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L1074 */
1622 0 : fd_borrowed_account_drop( &close_account );
1623 :
1624 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L1075-L1076 */
1625 0 : fd_guarded_borrowed_account_t program_account;
1626 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK(instr_ctx, 3UL, &program_account );
1627 :
1628 0 : if( FD_UNLIKELY( !fd_borrowed_account_is_writable( &program_account ) ) ) {
1629 0 : fd_log_collector_msg_literal( instr_ctx, "Program account is not writable" );
1630 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1631 0 : }
1632 0 : if( FD_UNLIKELY( memcmp( fd_borrowed_account_get_owner( &program_account ), program_id, sizeof(fd_pubkey_t) ) ) ) {
1633 0 : fd_log_collector_msg_literal( instr_ctx, "Program account not owned by loader" );
1634 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_PROGRAM_ID;
1635 0 : }
1636 0 : fd_sol_sysvar_clock_t const * clock = fd_sysvar_clock_read( instr_ctx->txn_ctx->funk, instr_ctx->txn_ctx->funk_txn, instr_ctx->txn_ctx->spad );
1637 0 : if( FD_UNLIKELY( !clock ) ) {
1638 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
1639 0 : }
1640 0 : if( FD_UNLIKELY( clock->slot==close_account_state->inner.program_data.slot ) ) {
1641 0 : fd_log_collector_msg_literal( instr_ctx,"Program was deployed in this block already" );
1642 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1643 0 : }
1644 :
1645 0 : fd_bpf_upgradeable_loader_state_t * program_state = fd_bpf_loader_program_get_state( program_account.acct, spad, &err );
1646 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1647 0 : return err;
1648 0 : }
1649 0 : if( fd_bpf_upgradeable_loader_state_is_program( program_state ) ) {
1650 0 : if( FD_UNLIKELY( memcmp( &program_state->inner.program.programdata_address, close_key, sizeof(fd_pubkey_t) ) ) ) {
1651 0 : fd_log_collector_msg_literal( instr_ctx,"Program account does not match ProgramData account" );
1652 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1653 0 : }
1654 :
1655 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L1105 */
1656 0 : fd_borrowed_account_drop( &program_account );
1657 :
1658 0 : err = common_close_account( close_account_state->inner.program_data.upgrade_authority_address,
1659 0 : instr_ctx,
1660 0 : close_account_state );
1661 0 : if( FD_UNLIKELY( err ) ) {
1662 0 : return err;
1663 0 : }
1664 :
1665 : /* The Agave client updates the account state upon closing an account
1666 : in their loaded program cache. Checking for a program can be
1667 : checked by checking to see if the programdata account's loader state
1668 : is unitialized. The firedancer implementation also removes closed
1669 : accounts from the loaded program cache at the end of a slot. Closed
1670 : accounts are not checked from the cache, instead the account state
1671 : is looked up. */
1672 :
1673 0 : } else {
1674 0 : fd_log_collector_msg_literal( instr_ctx, "Invalid program account" );
1675 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1676 0 : }
1677 :
1678 : /* Max msg_sz: 17 - 2 + 45 = 60 < 127 => we can use printf */
1679 0 : fd_log_collector_printf_dangerous_max_127( instr_ctx,
1680 0 : "Closed Program %s", FD_BASE58_ENC_32_ALLOCA( close_key ) );
1681 :
1682 : /* program account is dropped when it goes out of scope */
1683 0 : } else {
1684 0 : fd_log_collector_msg_literal( instr_ctx, "Account does not support closing" );
1685 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1686 0 : }
1687 :
1688 : /* implicit drop of close account */
1689 0 : break;
1690 0 : }
1691 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L1136-L1294 */
1692 0 : case fd_bpf_upgradeable_loader_program_instruction_enum_extend_program: {
1693 0 : int err;
1694 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L1137-L1172 */
1695 0 : uint additional_bytes = instruction->inner.extend_program.additional_bytes;
1696 0 : if( FD_UNLIKELY( additional_bytes==0U ) ) {
1697 0 : fd_log_collector_msg_literal( instr_ctx, "Additional bytes must be greater than 0" );
1698 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
1699 0 : }
1700 :
1701 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L1151-L1152 */
1702 0 : fd_guarded_borrowed_account_t programdata_account;
1703 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 0UL, &programdata_account );
1704 :
1705 0 : fd_pubkey_t * programdata_key = programdata_account.acct->pubkey;
1706 :
1707 0 : if( FD_UNLIKELY( memcmp( program_id, fd_borrowed_account_get_owner( &programdata_account ), sizeof(fd_pubkey_t) ) ) ) {
1708 0 : fd_log_collector_msg_literal( instr_ctx, "ProgramData owner is invalid" );
1709 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_OWNER;
1710 0 : }
1711 0 : if( FD_UNLIKELY( !fd_borrowed_account_is_writable( &programdata_account ) ) ) {
1712 0 : fd_log_collector_msg_literal( instr_ctx, "ProgramData is not writable" );
1713 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1714 0 : }
1715 :
1716 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L1164-L1165 */
1717 0 : fd_guarded_borrowed_account_t program_account;
1718 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 1UL, &program_account );
1719 :
1720 0 : if( FD_UNLIKELY( !fd_borrowed_account_is_writable( &program_account ) ) ) {
1721 0 : fd_log_collector_msg_literal( instr_ctx, "Program account is not writable" );
1722 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1723 0 : }
1724 0 : if( FD_UNLIKELY( memcmp( program_id, fd_borrowed_account_get_owner( &program_account ), sizeof(fd_pubkey_t) ) ) ) {
1725 0 : fd_log_collector_msg_literal( instr_ctx, "Program account not owned by loader" );
1726 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_OWNER;
1727 0 : }
1728 :
1729 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L1172-L1190 */
1730 0 : fd_bpf_upgradeable_loader_state_t * program_state = fd_bpf_loader_program_get_state( program_account.acct, spad, &err );
1731 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1732 0 : return err;
1733 0 : }
1734 0 : if( fd_bpf_upgradeable_loader_state_is_program( program_state ) ) {
1735 0 : if( FD_UNLIKELY( memcmp( &program_state->inner.program.programdata_address, programdata_key, sizeof(fd_pubkey_t) ) ) ) {
1736 0 : fd_log_collector_msg_literal( instr_ctx, "Program account does not match ProgramData account" );
1737 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1738 0 : }
1739 0 : } else {
1740 0 : fd_log_collector_msg_literal( instr_ctx, "Invalid program account" );
1741 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
1742 0 : }
1743 :
1744 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L1192 */
1745 0 : fd_borrowed_account_drop( &program_account );
1746 :
1747 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L1191-L1230 */
1748 0 : ulong old_len = fd_borrowed_account_get_data_len( &programdata_account );
1749 0 : ulong new_len = fd_ulong_sat_add( old_len, additional_bytes );
1750 0 : if( FD_UNLIKELY( new_len>MAX_PERMITTED_DATA_LENGTH ) ) {
1751 : /* Max msg_sz: 85 - 6 + 2*20 = 119 < 127 => we can use printf */
1752 0 : fd_log_collector_printf_dangerous_max_127( instr_ctx,
1753 0 : "Extended ProgramData length of %lu bytes exceeds max account data length of %lu bytes", new_len, MAX_PERMITTED_DATA_LENGTH );
1754 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_REALLOC;
1755 0 : }
1756 0 : fd_sol_sysvar_clock_t const * clock = fd_sysvar_clock_read( instr_ctx->txn_ctx->funk, instr_ctx->txn_ctx->funk_txn, instr_ctx->txn_ctx->spad );
1757 0 : if( FD_UNLIKELY( !clock ) ) {
1758 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
1759 0 : }
1760 :
1761 0 : fd_pubkey_t * upgrade_authority_address = NULL;
1762 0 : fd_bpf_upgradeable_loader_state_t * programdata_state = fd_bpf_loader_program_get_state( programdata_account.acct, spad, &err );
1763 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1764 0 : return err;
1765 0 : }
1766 0 : if( fd_bpf_upgradeable_loader_state_is_program_data( programdata_state ) ) {
1767 0 : if( FD_UNLIKELY( clock->slot==programdata_state->inner.program_data.slot ) ) {
1768 0 : fd_log_collector_msg_literal( instr_ctx, "Program was extended in this block already" );
1769 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1770 0 : }
1771 :
1772 0 : if( FD_UNLIKELY( !programdata_state->inner.program_data.upgrade_authority_address ) ) {
1773 0 : fd_log_collector_msg_literal( instr_ctx, "Cannot extend ProgramData accounts that are not upgradeable" );
1774 0 : return FD_EXECUTOR_INSTR_ERR_ACC_IMMUTABLE;
1775 0 : }
1776 0 : upgrade_authority_address = programdata_state->inner.program_data.upgrade_authority_address;
1777 0 : } else {
1778 0 : fd_log_collector_msg_literal( instr_ctx, "ProgramData state is invalid" );
1779 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
1780 0 : }
1781 :
1782 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/programs/bpf_loader/src/lib.rs#L1232-L1256 */
1783 0 : fd_rent_t const * rent = fd_bank_rent_query( instr_ctx->txn_ctx->bank );
1784 0 : ulong balance = fd_borrowed_account_get_lamports( &programdata_account );
1785 0 : ulong min_balance = fd_ulong_max( fd_rent_exempt_minimum_balance( rent, new_len ), 1UL );
1786 0 : ulong required_payment = fd_ulong_sat_sub( min_balance, balance );
1787 :
1788 : /* Borrowed accounts need to be dropped before native invocations. Note:
1789 : the programdata account is manually released and acquired within the
1790 : extend instruction to preserve the local variable scoping to maintain
1791 : readability. The scoped macro still successfully handles the case of
1792 : freeing a write lock in case of an early termination. */
1793 :
1794 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L1242 */
1795 0 : fd_borrowed_account_drop( &programdata_account );
1796 :
1797 0 : if( FD_UNLIKELY( required_payment>0UL ) ) {
1798 0 : if ( FD_UNLIKELY( instr_ctx->instr->acct_cnt<=3UL ) ) {
1799 0 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
1800 0 : }
1801 :
1802 : /* https://github.com/anza-xyz/agave/blob/v2.2.0/programs/bpf_loader/src/lib.rs#L1292-L1295 */
1803 0 : fd_pubkey_t const * payer_key = NULL;
1804 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 3UL, &payer_key );
1805 0 : if( FD_UNLIKELY( err ) ) {
1806 0 : return err;
1807 0 : }
1808 :
1809 0 : uchar instr_data[FD_TXN_MTU];
1810 0 : fd_system_program_instruction_t instr = {
1811 0 : .discriminant = fd_system_program_instruction_enum_transfer,
1812 0 : .inner = {
1813 0 : .transfer = required_payment
1814 0 : }
1815 0 : };
1816 :
1817 0 : fd_bincode_encode_ctx_t encode_ctx = {
1818 0 : .data = instr_data,
1819 0 : .dataend = instr_data + FD_TXN_MTU
1820 0 : };
1821 :
1822 : // This should never fail.
1823 0 : int err = fd_system_program_instruction_encode( &instr, &encode_ctx );
1824 0 : if( FD_UNLIKELY( err ) ) {
1825 0 : return FD_EXECUTOR_INSTR_ERR_FATAL;
1826 0 : }
1827 :
1828 0 : fd_vm_rust_account_meta_t * acct_metas = (fd_vm_rust_account_meta_t *)
1829 0 : fd_spad_alloc( instr_ctx->txn_ctx->spad,
1830 0 : FD_VM_RUST_ACCOUNT_META_ALIGN,
1831 0 : 2UL * sizeof(fd_vm_rust_account_meta_t) );
1832 0 : fd_native_cpi_create_account_meta( payer_key, 1UL, 1UL, &acct_metas[ 0UL ] );
1833 0 : fd_native_cpi_create_account_meta( programdata_key, 0UL, 1UL, &acct_metas[ 1UL ] );
1834 :
1835 0 : err = fd_native_cpi_native_invoke( instr_ctx,
1836 0 : &fd_solana_system_program_id,
1837 0 : instr_data,
1838 0 : FD_TXN_MTU,
1839 0 : acct_metas,
1840 0 : 2UL,
1841 0 : NULL,
1842 0 : 0UL );
1843 0 : if( FD_UNLIKELY( err ) ) {
1844 0 : return err;
1845 0 : }
1846 0 : }
1847 :
1848 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L1262-L1263 */
1849 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 0UL, &programdata_account );
1850 :
1851 : /* Programdata account set data length */
1852 0 : err = fd_borrowed_account_set_data_length( &programdata_account, new_len );
1853 0 : if( FD_UNLIKELY( err ) ) {
1854 0 : return err;
1855 0 : }
1856 :
1857 0 : if( FD_UNLIKELY( PROGRAMDATA_METADATA_SIZE>fd_borrowed_account_get_data_len( &programdata_account ) ) ) {
1858 0 : return FD_EXECUTOR_INSTR_ERR_ACC_DATA_TOO_SMALL;
1859 0 : }
1860 :
1861 0 : uchar const * programdata_data = fd_borrowed_account_get_data( &programdata_account ) + PROGRAMDATA_METADATA_SIZE;
1862 0 : ulong programdata_size = new_len - PROGRAMDATA_METADATA_SIZE;
1863 :
1864 0 : err = fd_deploy_program( instr_ctx, programdata_data, programdata_size, instr_ctx->txn_ctx->spad );
1865 0 : if( FD_UNLIKELY( err ) ) {
1866 0 : return err;
1867 0 : }
1868 :
1869 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L1275 */
1870 0 : fd_borrowed_account_drop( &programdata_account );
1871 :
1872 : /* Setting the discriminant and upgrade authority address here can likely
1873 : be a no-op because these values shouldn't change. These can probably be
1874 : removed, but can help to mirror against Agave client's implementation.
1875 : The set_state function also contains an ownership check. */
1876 :
1877 : /* https://github.com/anza-xyz/agave/blob/v2.1.4/programs/bpf_loader/src/lib.rs#L1283-L1284 */
1878 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 0UL, &programdata_account );
1879 :
1880 0 : programdata_state->discriminant = fd_bpf_upgradeable_loader_state_enum_program_data;
1881 0 : programdata_state->inner.program_data.slot = clock->slot;
1882 0 : programdata_state->inner.program_data.upgrade_authority_address = upgrade_authority_address;
1883 :
1884 0 : err = fd_bpf_loader_v3_program_set_state( &programdata_account, programdata_state );
1885 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
1886 0 : return err;
1887 0 : }
1888 :
1889 : /* Max msg_sz: 41 - 2 + 20 = 57 < 127 => we can use printf */
1890 0 : fd_log_collector_printf_dangerous_max_127( instr_ctx,
1891 0 : "Extended ProgramData account by %u bytes", additional_bytes );
1892 :
1893 : /* programdata account is dropped when it goes out of scope */
1894 :
1895 0 : break;
1896 0 : }
1897 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1338-L1508 */
1898 0 : case fd_bpf_upgradeable_loader_program_instruction_enum_migrate: {
1899 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1339-L1344 */
1900 0 : if( FD_UNLIKELY( !FD_FEATURE_ACTIVE_BANK( instr_ctx->txn_ctx->bank, enable_loader_v4 ) ) ) {
1901 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_INSTR_DATA;
1902 0 : }
1903 :
1904 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1346 */
1905 0 : if( FD_UNLIKELY( fd_exec_instr_ctx_check_num_insn_accounts( instr_ctx, 3U ) ) ) {
1906 0 : return FD_EXECUTOR_INSTR_ERR_NOT_ENOUGH_ACC_KEYS;
1907 0 : }
1908 :
1909 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1347-L1349 */
1910 0 : fd_pubkey_t const * programdata_address = NULL;
1911 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 0UL, &programdata_address );
1912 0 : if( FD_UNLIKELY( err ) ) {
1913 0 : return err;
1914 0 : }
1915 :
1916 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1350-L1352 */
1917 0 : fd_pubkey_t const * program_address = NULL;
1918 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 1UL, &program_address );
1919 0 : if( FD_UNLIKELY( err ) ) {
1920 0 : return err;
1921 0 : }
1922 :
1923 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1353-L1355 */
1924 0 : fd_pubkey_t const * provided_authority_address = NULL;
1925 0 : err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, 2UL, &provided_authority_address );
1926 0 : if( FD_UNLIKELY( err ) ) {
1927 0 : return err;
1928 0 : }
1929 :
1930 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1356-L1359 */
1931 0 : fd_sol_sysvar_clock_t const * clock = fd_sysvar_clock_read( instr_ctx->txn_ctx->funk, instr_ctx->txn_ctx->funk_txn, instr_ctx->txn_ctx->spad );
1932 0 : if( FD_UNLIKELY( !clock ) ) {
1933 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_SYSVAR;
1934 0 : }
1935 0 : ulong clock_slot = clock->slot;
1936 :
1937 : /* Verify ProgramData account
1938 : https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1362-L1363 */
1939 0 : fd_guarded_borrowed_account_t programdata;
1940 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 0UL, &programdata );
1941 :
1942 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1364-L1367 */
1943 0 : if( FD_UNLIKELY( !fd_borrowed_account_is_writable( &programdata ) ) ) {
1944 0 : fd_log_collector_msg_literal( instr_ctx, "ProgramData account not writeable" );
1945 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1946 0 : }
1947 :
1948 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1368-L1387 */
1949 0 : ulong program_len = 0UL;
1950 0 : fd_pubkey_t * upgrade_authority_address = NULL;
1951 0 : fd_bpf_upgradeable_loader_state_t * programdata_state = fd_bpf_loader_program_get_state( programdata.acct, spad, &err );
1952 0 : if( FD_LIKELY( err==FD_BINCODE_SUCCESS && fd_bpf_upgradeable_loader_state_is_program_data( programdata_state ) ) ) {
1953 :
1954 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1374-L1377 */
1955 0 : if( FD_UNLIKELY( clock_slot==programdata_state->inner.program_data.slot ) ) {
1956 0 : fd_log_collector_msg_literal( instr_ctx, "Program was deployed in this block already" );
1957 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1958 0 : }
1959 :
1960 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1378-L1384 */
1961 0 : program_len = fd_ulong_sat_sub( fd_borrowed_account_get_data_len( &programdata ), PROGRAMDATA_METADATA_SIZE );
1962 0 : upgrade_authority_address = programdata_state->inner.program_data.upgrade_authority_address;
1963 0 : }
1964 :
1965 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1388 */
1966 0 : ulong programdata_funds = fd_borrowed_account_get_lamports( &programdata );
1967 :
1968 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1389 */
1969 0 : fd_borrowed_account_drop( &programdata );
1970 :
1971 : /* Verify authority signature
1972 : https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1391-L1398 */
1973 0 : fd_pubkey_t const * authority_key_to_compare = upgrade_authority_address ? upgrade_authority_address : program_address;
1974 0 : if( FD_UNLIKELY( memcmp( fd_solana_migration_authority.key, provided_authority_address->key, sizeof(fd_pubkey_t) ) &&
1975 0 : memcmp( authority_key_to_compare->key, provided_authority_address->key, sizeof(fd_pubkey_t) ) ) ) {
1976 0 : fd_log_collector_msg_literal( instr_ctx, "Incorrect migration authority provided" );
1977 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_AUTHORITY;
1978 0 : }
1979 :
1980 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1399-L1402 */
1981 0 : if( FD_UNLIKELY( !instr_ctx->instr->accounts[ 2UL ].is_signer ) ) {
1982 0 : fd_log_collector_msg_literal( instr_ctx, "Migration authority did not sign" );
1983 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_REQUIRED_SIGNATURE;
1984 0 : }
1985 :
1986 : /* Verify Program account
1987 : https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1404-L1406 */
1988 0 : fd_guarded_borrowed_account_t program;
1989 0 : FD_TRY_BORROW_INSTR_ACCOUNT_DEFAULT_ERR_CHECK( instr_ctx, 1UL, &program );
1990 :
1991 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1407-L1410 */
1992 0 : if( FD_UNLIKELY( !fd_borrowed_account_is_writable( &program ) ) ) {
1993 0 : fd_log_collector_msg_literal( instr_ctx, "Program account not writeable" );
1994 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
1995 0 : }
1996 :
1997 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1411-L1414 */
1998 0 : if( FD_UNLIKELY( memcmp( fd_borrowed_account_get_owner( &program ), program_id, sizeof(fd_pubkey_t) ) ) ) {
1999 0 : fd_log_collector_msg_literal( instr_ctx, "Program account not owned by loader" );
2000 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_PROGRAM_ID;
2001 0 : }
2002 :
2003 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1415-L1426 */
2004 0 : fd_bpf_upgradeable_loader_state_t * program_state = fd_bpf_loader_program_get_state( program.acct, spad, &err );
2005 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
2006 0 : return err;
2007 0 : }
2008 :
2009 0 : if( FD_LIKELY( fd_bpf_upgradeable_loader_state_is_program( program_state ) ) ) {
2010 0 : if( FD_UNLIKELY( memcmp( programdata_address->key, program_state->inner.program.programdata_address.key, sizeof(fd_pubkey_t) ) ) ) {
2011 0 : fd_log_collector_msg_literal( instr_ctx, "Program and ProgramData account mismatch" );
2012 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
2013 0 : }
2014 0 : } else {
2015 0 : fd_log_collector_msg_literal( instr_ctx, "Invalid Program account" );
2016 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
2017 0 : }
2018 :
2019 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1427 */
2020 0 : err = fd_borrowed_account_set_data_from_slice( &program, NULL, 0UL );
2021 0 : if( FD_UNLIKELY( err ) ) {
2022 0 : return err;
2023 0 : }
2024 :
2025 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1428 */
2026 0 : err = fd_borrowed_account_checked_add_lamports( &program , programdata_funds );
2027 0 : if( FD_UNLIKELY( err ) ) {
2028 0 : return err;
2029 0 : }
2030 :
2031 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1429-L1433 */
2032 0 : if( FD_UNLIKELY( program_len==0UL ) ) {
2033 0 : err = fd_borrowed_account_set_owner( &program, &fd_solana_system_program_id );
2034 0 : } else {
2035 0 : err = fd_borrowed_account_set_owner( &program, &fd_solana_bpf_loader_v4_program_id );
2036 0 : }
2037 0 : if( FD_UNLIKELY( err ) ) {
2038 0 : return err;
2039 0 : }
2040 :
2041 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1434 */
2042 0 : fd_borrowed_account_drop( &program );
2043 :
2044 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1436-L1437 */
2045 0 : err = fd_exec_instr_ctx_try_borrow_instr_account( instr_ctx , 0U, &programdata );
2046 0 : if( FD_UNLIKELY( err ) ) {
2047 0 : return err;
2048 0 : }
2049 :
2050 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1438 */
2051 0 : err = fd_borrowed_account_set_lamports( &programdata, 0UL );
2052 0 : if( FD_UNLIKELY( err ) ) {
2053 0 : return err;
2054 0 : }
2055 :
2056 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1439 */
2057 0 : fd_borrowed_account_drop( &programdata );
2058 :
2059 0 : FD_SPAD_FRAME_BEGIN( instr_ctx->txn_ctx->spad ) {
2060 0 : uchar instr_data[FD_TXN_MTU];
2061 0 : fd_loader_v4_program_instruction_t instr = {0};
2062 0 : fd_bincode_encode_ctx_t encode_ctx = {0};
2063 0 : fd_vm_rust_account_meta_t * acct_metas = fd_spad_alloc( instr_ctx->txn_ctx->spad,
2064 0 : FD_VM_RUST_ACCOUNT_META_ALIGN,
2065 0 : 3UL * sizeof(fd_vm_rust_account_meta_t) );
2066 :
2067 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1441-L1484 */
2068 0 : if( FD_LIKELY( program_len>0UL ) ) {
2069 :
2070 : /* Set program length
2071 : https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1442-L1451 */
2072 0 : fd_native_cpi_create_account_meta( program_address, 0, 1, &acct_metas[0] );
2073 0 : fd_native_cpi_create_account_meta( provided_authority_address, 1, 0, &acct_metas[1] );
2074 0 : fd_native_cpi_create_account_meta( program_address, 0, 1, &acct_metas[2] );
2075 :
2076 0 : instr = (fd_loader_v4_program_instruction_t) {
2077 0 : .discriminant = fd_loader_v4_program_instruction_enum_set_program_length,
2078 0 : .inner = {
2079 0 : .set_program_length = {
2080 0 : .new_size = (uint)program_len
2081 0 : }
2082 0 : }
2083 0 : };
2084 :
2085 0 : encode_ctx = (fd_bincode_encode_ctx_t) {
2086 0 : .data = instr_data,
2087 0 : .dataend = instr_data + FD_TXN_MTU
2088 0 : };
2089 :
2090 : // This should never fail.
2091 0 : err = fd_loader_v4_program_instruction_encode( &instr, &encode_ctx );
2092 0 : if( FD_UNLIKELY( err ) ) {
2093 0 : return FD_EXECUTOR_INSTR_ERR_FATAL;
2094 0 : }
2095 :
2096 0 : err = fd_native_cpi_native_invoke( instr_ctx,
2097 0 : &fd_solana_bpf_loader_v4_program_id,
2098 0 : instr_data,
2099 0 : FD_TXN_MTU,
2100 0 : acct_metas,
2101 0 : 3UL,
2102 0 : NULL,
2103 0 : 0UL );
2104 0 : if( FD_UNLIKELY( err ) ) {
2105 0 : return err;
2106 0 : }
2107 :
2108 : /* Copy
2109 : https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1453-L1464 */
2110 0 : fd_native_cpi_create_account_meta( program_address, 0, 1, &acct_metas[0] );
2111 0 : fd_native_cpi_create_account_meta( provided_authority_address, 1, 0, &acct_metas[1] );
2112 0 : fd_native_cpi_create_account_meta( programdata_address, 0, 0, &acct_metas[2] );
2113 :
2114 0 : instr = (fd_loader_v4_program_instruction_t) {
2115 0 : .discriminant = fd_loader_v4_program_instruction_enum_copy,
2116 0 : .inner = {
2117 0 : .copy = {
2118 0 : .destination_offset = 0U,
2119 0 : .source_offset = 0U,
2120 0 : .length = (uint)program_len
2121 0 : }
2122 0 : }
2123 0 : };
2124 :
2125 0 : encode_ctx = (fd_bincode_encode_ctx_t) {
2126 0 : .data = instr_data,
2127 0 : .dataend = instr_data + FD_TXN_MTU
2128 0 : };
2129 :
2130 : // This should never fail.
2131 0 : err = fd_loader_v4_program_instruction_encode( &instr, &encode_ctx );
2132 0 : if( FD_UNLIKELY( err ) ) {
2133 0 : return FD_EXECUTOR_INSTR_ERR_FATAL;
2134 0 : }
2135 :
2136 0 : err = fd_native_cpi_native_invoke( instr_ctx,
2137 0 : &fd_solana_bpf_loader_v4_program_id,
2138 0 : instr_data,
2139 0 : FD_TXN_MTU,
2140 0 : acct_metas,
2141 0 : 3UL,
2142 0 : NULL,
2143 0 : 0UL );
2144 0 : if( FD_UNLIKELY( err ) ) {
2145 0 : return err;
2146 0 : }
2147 :
2148 : /* Deploy
2149 : https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1466-L1473 */
2150 0 : fd_native_cpi_create_account_meta( program_address, 0, 1, &acct_metas[0] );
2151 0 : fd_native_cpi_create_account_meta( provided_authority_address, 1, 0, &acct_metas[1] );
2152 :
2153 0 : instr = (fd_loader_v4_program_instruction_t) {
2154 0 : .discriminant = fd_loader_v4_program_instruction_enum_deploy,
2155 0 : };
2156 :
2157 0 : encode_ctx = (fd_bincode_encode_ctx_t) {
2158 0 : .data = instr_data,
2159 0 : .dataend = instr_data + FD_TXN_MTU
2160 0 : };
2161 :
2162 : // This should never fail.
2163 0 : err = fd_loader_v4_program_instruction_encode( &instr, &encode_ctx );
2164 0 : if( FD_UNLIKELY( err ) ) {
2165 0 : return FD_EXECUTOR_INSTR_ERR_FATAL;
2166 0 : }
2167 :
2168 0 : err = fd_native_cpi_native_invoke( instr_ctx,
2169 0 : &fd_solana_bpf_loader_v4_program_id,
2170 0 : instr_data,
2171 0 : FD_TXN_MTU,
2172 0 : acct_metas,
2173 0 : 2UL,
2174 0 : NULL,
2175 0 : 0UL );
2176 0 : if( FD_UNLIKELY( err ) ) {
2177 0 : return err;
2178 0 : }
2179 :
2180 : /* Finalize (if no upgrade authority address provided)
2181 : https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1475-L1484 */
2182 0 : if( upgrade_authority_address==NULL ) {
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, 0, &acct_metas[2] );
2186 :
2187 0 : instr = (fd_loader_v4_program_instruction_t) {
2188 0 : .discriminant = fd_loader_v4_program_instruction_enum_finalize,
2189 0 : };
2190 :
2191 0 : encode_ctx = (fd_bincode_encode_ctx_t) {
2192 0 : .data = instr_data,
2193 0 : .dataend = instr_data + FD_TXN_MTU
2194 0 : };
2195 :
2196 : // This should never fail.
2197 0 : err = fd_loader_v4_program_instruction_encode( &instr, &encode_ctx );
2198 0 : if( FD_UNLIKELY( err ) ) {
2199 0 : return FD_EXECUTOR_INSTR_ERR_FATAL;
2200 0 : }
2201 :
2202 0 : err = fd_native_cpi_native_invoke( instr_ctx,
2203 0 : &fd_solana_bpf_loader_v4_program_id,
2204 0 : instr_data,
2205 0 : FD_TXN_MTU,
2206 0 : acct_metas,
2207 0 : 3UL,
2208 0 : NULL,
2209 0 : 0UL );
2210 0 : if( FD_UNLIKELY( err ) ) {
2211 0 : return err;
2212 0 : }
2213 0 : } else if( !memcmp( fd_solana_migration_authority.key, provided_authority_address->key, sizeof(fd_pubkey_t) ) ) {
2214 :
2215 : /* Transfer authority
2216 : https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1486-L1494 */
2217 0 : fd_native_cpi_create_account_meta( program_address, 0, 1, &acct_metas[0] );
2218 0 : fd_native_cpi_create_account_meta( provided_authority_address, 1, 0, &acct_metas[1] );
2219 0 : fd_native_cpi_create_account_meta( upgrade_authority_address, 1, 0, &acct_metas[2] );
2220 :
2221 0 : instr = (fd_loader_v4_program_instruction_t) {
2222 0 : .discriminant = fd_loader_v4_program_instruction_enum_transfer_authority,
2223 0 : };
2224 :
2225 0 : encode_ctx = (fd_bincode_encode_ctx_t) {
2226 0 : .data = instr_data,
2227 0 : .dataend = instr_data + FD_TXN_MTU
2228 0 : };
2229 :
2230 : // This should never fail.
2231 0 : err = fd_loader_v4_program_instruction_encode( &instr, &encode_ctx );
2232 0 : if( FD_UNLIKELY( err ) ) {
2233 0 : return FD_EXECUTOR_INSTR_ERR_FATAL;
2234 0 : }
2235 :
2236 0 : err = fd_native_cpi_native_invoke( instr_ctx,
2237 0 : &fd_solana_bpf_loader_v4_program_id,
2238 0 : instr_data,
2239 0 : FD_TXN_MTU,
2240 0 : acct_metas,
2241 0 : 3UL,
2242 0 : NULL,
2243 0 : 0UL );
2244 0 : if( FD_UNLIKELY( err ) ) {
2245 0 : return err;
2246 0 : }
2247 0 : }
2248 0 : }
2249 0 : } FD_SPAD_FRAME_END;
2250 :
2251 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1500-L1501 */
2252 0 : err = fd_exec_instr_ctx_try_borrow_instr_account( instr_ctx , 0U, &programdata );
2253 0 : if( FD_UNLIKELY( err ) ) {
2254 0 : return err;
2255 0 : }
2256 :
2257 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1502 */
2258 0 : err = fd_borrowed_account_set_data_from_slice( &programdata, NULL, 0UL );
2259 0 : if( FD_UNLIKELY( err ) ) {
2260 0 : return err;
2261 0 : }
2262 :
2263 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1503 */
2264 0 : err = fd_borrowed_account_set_owner( &programdata, &fd_solana_system_program_id );
2265 0 : if( FD_UNLIKELY( err ) ) {
2266 0 : return err;
2267 0 : }
2268 :
2269 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1504 */
2270 0 : fd_borrowed_account_drop( &programdata );
2271 :
2272 : /* https://github.com/anza-xyz/agave/blob/v2.2.6/programs/bpf_loader/src/lib.rs#L1506 */
2273 0 : fd_log_collector_printf_dangerous_max_127( instr_ctx, "Migrated program %s", FD_BASE58_ENC_32_ALLOCA( program_address ) );
2274 :
2275 0 : break;
2276 0 : }
2277 0 : default: {
2278 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
2279 0 : }
2280 0 : }
2281 0 : return FD_EXECUTOR_INSTR_SUCCESS;
2282 0 : }
2283 :
2284 : /* process_instruction_inner() */
2285 : /* https://github.com/anza-xyz/agave/blob/77daab497df191ef485a7ad36ed291c1874596e5/programs/bpf_loader/src/lib.rs#L394-L564 */
2286 : int
2287 0 : fd_bpf_loader_program_execute( fd_exec_instr_ctx_t * ctx ) {
2288 0 : FD_SPAD_FRAME_BEGIN( ctx->txn_ctx->spad ) {
2289 : /* https://github.com/anza-xyz/agave/blob/77daab497df191ef485a7ad36ed291c1874596e5/programs/bpf_loader/src/lib.rs#L491-L529 */
2290 :
2291 : /* https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L403-L404 */
2292 0 : fd_guarded_borrowed_account_t program_account;
2293 0 : int err = fd_exec_instr_ctx_try_borrow_last_program_account( ctx, &program_account );
2294 0 : if( FD_UNLIKELY( err ) ) {
2295 0 : return err;
2296 0 : }
2297 :
2298 : /* https://github.com/anza-xyz/agave/blob/v2.2.0/programs/bpf_loader/src/lib.rs#L409 */
2299 0 : fd_pubkey_t const * program_id = NULL;
2300 0 : err = fd_exec_instr_ctx_get_last_program_key( ctx, &program_id );
2301 0 : if( FD_UNLIKELY( err ) ) {
2302 0 : return err;
2303 0 : }
2304 :
2305 : /* Program management instruction */
2306 0 : if( FD_UNLIKELY( !memcmp( &fd_solana_native_loader_id, fd_borrowed_account_get_owner( &program_account ), sizeof(fd_pubkey_t) ) ) ) {
2307 : /* https://github.com/anza-xyz/agave/blob/v2.2.3/programs/bpf_loader/src/lib.rs#L416 */
2308 0 : fd_borrowed_account_drop( &program_account );
2309 :
2310 0 : if( FD_UNLIKELY( !memcmp( &fd_solana_bpf_loader_upgradeable_program_id, program_id, sizeof(fd_pubkey_t) ) ) ) {
2311 0 : FD_EXEC_CU_UPDATE( ctx, UPGRADEABLE_LOADER_COMPUTE_UNITS );
2312 0 : return process_loader_upgradeable_instruction( ctx );
2313 0 : } else if( FD_UNLIKELY( !memcmp( &fd_solana_bpf_loader_program_id, program_id, sizeof(fd_pubkey_t) ) ) ) {
2314 0 : FD_EXEC_CU_UPDATE( ctx, DEFAULT_LOADER_COMPUTE_UNITS );
2315 0 : fd_log_collector_msg_literal( ctx, "BPF loader management instructions are no longer supported" );
2316 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
2317 0 : } else if( FD_UNLIKELY( !memcmp( &fd_solana_bpf_loader_deprecated_program_id, program_id, sizeof(fd_pubkey_t) ) ) ) {
2318 0 : FD_EXEC_CU_UPDATE( ctx, DEPRECATED_LOADER_COMPUTE_UNITS );
2319 0 : fd_log_collector_msg_literal( ctx, "Deprecated loader is no longer supported" );
2320 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
2321 0 : } else {
2322 0 : fd_log_collector_msg_literal( ctx, "Invalid BPF loader id" );
2323 : /* https://github.com/anza-xyz/agave/blob/89872fdb074e6658646b2b57a299984f0059cc84/programs/bpf_loader/src/lib.rs#L429-L436 */
2324 0 : if( FD_FEATURE_ACTIVE_BANK( ctx->txn_ctx->bank, remove_accounts_executable_flag_checks ) ) {
2325 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
2326 0 : }
2327 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_PROGRAM_ID;
2328 0 : }
2329 0 : }
2330 :
2331 : /* https://github.com/anza-xyz/agave/blob/89872fdb074e6658646b2b57a299984f0059cc84/programs/bpf_loader/src/lib.rs#L445-L452 */
2332 : /* Program invocation. Any invalid programs will be caught here or at the program load. */
2333 0 : if( FD_UNLIKELY( !FD_FEATURE_ACTIVE_BANK( ctx->txn_ctx->bank, remove_accounts_executable_flag_checks ) &&
2334 0 : !fd_borrowed_account_is_executable( &program_account ) ) ) {
2335 0 : fd_log_collector_msg_literal( ctx, "Program is not executable" );
2336 0 : return FD_EXECUTOR_INSTR_ERR_INCORRECT_PROGRAM_ID;
2337 0 : }
2338 :
2339 : /* https://github.com/anza-xyz/agave/blob/77daab497df191ef485a7ad36ed291c1874596e5/programs/bpf_loader/src/lib.rs#L551-L563 */
2340 : /* The Agave client stores a loaded program type state in its implementation
2341 : of the loaded program cache. It checks to see if an account is able to be
2342 : executed. It is possible for a program to be in the DelayVisibility state or
2343 : Closed state but it won't be reflected in the Firedancer cache. Program
2344 : accounts that are in this state should exit with an invalid account data
2345 : error. For programs that are recently deployed or upgraded, they should not
2346 : be allowed to be executed for the remainder of the slot. For closed
2347 : accounts, they're uninitialized and shouldn't be executed as well.
2348 :
2349 : For the former case the slot that the
2350 : program was last updated in is in the program data account.
2351 : This means that if the slot in the program data account is greater than or
2352 : equal to the current execution slot, then the account is in a
2353 : 'LoadedProgramType::DelayVisiblity' state.
2354 :
2355 : The latter case as described above is a tombstone account which is in a Closed
2356 : state. This occurs when a program data account is closed. However, our cache
2357 : does not track this. Instead, this can be checked for by seeing if the program
2358 : account's respective program data account is uninitialized. This should only
2359 : happen when the account is closed.
2360 :
2361 : Every error that comes out of this block is mapped to an InvalidAccountData instruction error in Agave. */
2362 :
2363 0 : fd_account_meta_t const * metadata = fd_borrowed_account_get_acc_meta( &program_account );
2364 0 : uchar is_deprecated = !memcmp( metadata->info.owner, &fd_solana_bpf_loader_deprecated_program_id, sizeof(fd_pubkey_t) );
2365 :
2366 0 : if( !memcmp( metadata->info.owner, &fd_solana_bpf_loader_upgradeable_program_id, sizeof(fd_pubkey_t) ) ) {
2367 0 : fd_bpf_upgradeable_loader_state_t * program_account_state = fd_bpf_loader_program_get_state( program_account.acct, ctx->txn_ctx->spad, &err );
2368 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
2369 0 : if( FD_FEATURE_ACTIVE_BANK( ctx->txn_ctx->bank, remove_accounts_executable_flag_checks ) ) {
2370 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
2371 0 : }
2372 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
2373 0 : }
2374 :
2375 : /* https://github.com/anza-xyz/agave/blob/v2.0.9/svm/src/program_loader.rs#L96-L98
2376 : Program account and program data account discriminants get checked when loading in program accounts
2377 : into the program cache. If the discriminants are incorrect, the program is marked as closed. */
2378 0 : if( FD_UNLIKELY( !fd_bpf_upgradeable_loader_state_is_program( program_account_state ) ) ) {
2379 0 : fd_log_collector_msg_literal( ctx, "Program is not deployed" );
2380 0 : if( FD_FEATURE_ACTIVE_BANK( ctx->txn_ctx->bank, remove_accounts_executable_flag_checks ) ) {
2381 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
2382 0 : }
2383 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
2384 0 : }
2385 :
2386 0 : fd_txn_account_t * program_data_account = NULL;
2387 0 : fd_pubkey_t * programdata_pubkey = (fd_pubkey_t *)&program_account_state->inner.program.programdata_address;
2388 0 : err = fd_exec_txn_ctx_get_executable_account( ctx->txn_ctx,
2389 0 : programdata_pubkey,
2390 0 : &program_data_account,
2391 0 : fd_txn_account_check_exists );
2392 0 : if( FD_UNLIKELY( err!=FD_ACC_MGR_SUCCESS ) ) {
2393 0 : if( FD_FEATURE_ACTIVE_BANK( ctx->txn_ctx->bank, remove_accounts_executable_flag_checks ) ) {
2394 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
2395 0 : }
2396 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
2397 0 : }
2398 :
2399 0 : if( FD_UNLIKELY( program_data_account->vt->get_data_len( program_data_account )<PROGRAMDATA_METADATA_SIZE ) ) {
2400 0 : fd_log_collector_msg_literal( ctx, "Program is not deployed" );
2401 0 : if( FD_FEATURE_ACTIVE_BANK( ctx->txn_ctx->bank, remove_accounts_executable_flag_checks ) ) {
2402 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
2403 0 : }
2404 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
2405 0 : }
2406 :
2407 0 : fd_bpf_upgradeable_loader_state_t * program_data_account_state = fd_bpf_loader_program_get_state( program_data_account,
2408 0 : ctx->txn_ctx->spad,
2409 0 : &err );
2410 0 : if( FD_UNLIKELY( err!=FD_BINCODE_SUCCESS ) ) {
2411 0 : if( FD_FEATURE_ACTIVE_BANK( ctx->txn_ctx->bank, remove_accounts_executable_flag_checks ) ) {
2412 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
2413 0 : }
2414 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
2415 0 : }
2416 :
2417 : /* https://github.com/anza-xyz/agave/blob/v2.0.9/svm/src/program_loader.rs#L100-L104
2418 : Same as above comment. Program data discriminant must be set correctly. */
2419 0 : if( FD_UNLIKELY( !fd_bpf_upgradeable_loader_state_is_program_data( program_data_account_state ) ) ) {
2420 : /* The account is closed. */
2421 0 : fd_log_collector_msg_literal( ctx, "Program is not deployed" );
2422 0 : if( FD_FEATURE_ACTIVE_BANK( ctx->txn_ctx->bank, remove_accounts_executable_flag_checks ) ) {
2423 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
2424 0 : }
2425 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
2426 0 : }
2427 :
2428 0 : ulong program_data_slot = program_data_account_state->inner.program_data.slot;
2429 0 : if( FD_UNLIKELY( program_data_slot>=ctx->txn_ctx->slot ) ) {
2430 : /* The account was likely just deployed or upgraded. Corresponds to
2431 : 'LoadedProgramType::DelayVisibility' */
2432 0 : fd_log_collector_msg_literal( ctx, "Program is not deployed" );
2433 0 : if( FD_FEATURE_ACTIVE_BANK( ctx->txn_ctx->bank, remove_accounts_executable_flag_checks ) ) {
2434 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
2435 0 : }
2436 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
2437 0 : }
2438 0 : }
2439 :
2440 : /* Sadly, we have to tie the cache in with consensus. We tried our best to avoid this,
2441 : but Agave's program loading logic is too complex to solely rely on checks without
2442 : significant redundancy.
2443 :
2444 : For example, devnet and testnet have older programs that were deployed before stricter ELF / VM validation
2445 : checks were put in place, causing these older programs to fail newer validation checks and
2446 : be unexecutable. `fd_bpf_scan_and_create_bpf_program_cache_entry()` will populate our BPF program
2447 : cache correctly, but now, we have no way of checking if this validation passed or not here without
2448 : querying our program cache, otherwise we would have to copy-paste our validation checks here.
2449 :
2450 : Any failures here would indicate an attempt to interact with a deployed programs that either failed
2451 : to load or failed bytecode verification. This applies for v1, v2, and v3 programs. This could
2452 : also theoretically cause some currently-deployed programs to fail in the future if ELF / VM checks
2453 : are eventually made stricter.
2454 :
2455 : TLDR: A program is present in the BPF cache iff it is already deployed AND passes current SBPF and VM checks.
2456 : Only then it is considered valid to interact with. */
2457 0 : fd_sbpf_validated_program_t const * prog = NULL;
2458 0 : if( FD_UNLIKELY( fd_bpf_load_cache_entry( ctx->txn_ctx->funk,
2459 0 : ctx->txn_ctx->funk_txn,
2460 0 : program_id,
2461 0 : &prog )!=0 ) ) {
2462 0 : fd_log_collector_msg_literal( ctx, "Program is not cached" );
2463 :
2464 : /* https://github.com/anza-xyz/agave/blob/89872fdb074e6658646b2b57a299984f0059cc84/programs/bpf_loader/src/lib.rs#L460-L467 */
2465 0 : if( FD_FEATURE_ACTIVE_BANK( ctx->txn_ctx->bank, remove_accounts_executable_flag_checks ) ) {
2466 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
2467 0 : }
2468 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
2469 0 : }
2470 :
2471 : /* The program may be in the cache but could have failed verification in the current epoch. */
2472 0 : if( FD_UNLIKELY( prog->failed_verification ) ) {
2473 0 : fd_log_collector_msg_literal( ctx, "Program is not deployed" );
2474 0 : if( FD_FEATURE_ACTIVE_BANK( ctx->txn_ctx->bank, remove_accounts_executable_flag_checks ) ) {
2475 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
2476 0 : }
2477 0 : return FD_EXECUTOR_INSTR_ERR_INVALID_ACC_DATA;
2478 0 : }
2479 :
2480 : /* https://github.com/anza-xyz/agave/blob/v2.1.14/programs/bpf_loader/src/lib.rs#L446 */
2481 0 : fd_borrowed_account_drop( &program_account );
2482 :
2483 0 : return fd_bpf_execute( ctx, prog, is_deprecated );
2484 0 : } FD_SPAD_FRAME_END;
2485 0 : }
2486 :
2487 :
2488 : /* Public APIs */
2489 :
2490 : int
2491 : fd_directly_invoke_loader_v3_deploy( fd_exec_slot_ctx_t * slot_ctx,
2492 : uchar const * elf,
2493 : ulong elf_sz,
2494 0 : fd_spad_t * runtime_spad ) {
2495 : /* Set up a dummy instr and txn context */
2496 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 ) );
2497 0 : fd_funk_t * funk = slot_ctx->funk;
2498 0 : fd_wksp_t * funk_wksp = fd_funk_wksp( funk );
2499 0 : fd_wksp_t * runtime_wksp = fd_wksp_containing( slot_ctx );
2500 0 : ulong funk_txn_gaddr = fd_wksp_gaddr( funk_wksp, slot_ctx->funk_txn );
2501 0 : ulong funk_gaddr = fd_wksp_gaddr( funk_wksp, funk->shmem );
2502 :
2503 0 : fd_exec_txn_ctx_from_exec_slot_ctx( slot_ctx,
2504 0 : txn_ctx,
2505 0 : funk_wksp,
2506 0 : runtime_wksp,
2507 0 : funk_txn_gaddr,
2508 0 : funk_gaddr,
2509 0 : NULL );
2510 :
2511 0 : fd_exec_txn_ctx_setup_basic( txn_ctx );
2512 0 : txn_ctx->instr_stack_sz = 1;
2513 0 : fd_exec_instr_ctx_t * instr_ctx = &txn_ctx->instr_stack[0];
2514 0 : *instr_ctx = (fd_exec_instr_ctx_t) {
2515 0 : .instr = NULL,
2516 0 : .txn_ctx = txn_ctx,
2517 0 : .depth = 0U,
2518 0 : };
2519 :
2520 0 : return fd_deploy_program( instr_ctx, elf, elf_sz, runtime_spad );
2521 0 : }
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