Line data Source code
1 : #include "fd_precompiles.h"
2 : #include "../fd_bank.h"
3 : #include "../fd_executor_err.h"
4 : #include "../../../ballet/keccak256/fd_keccak256.h"
5 : #include "../../../ballet/ed25519/fd_ed25519.h"
6 : #include "../../../ballet/secp256k1/fd_secp256k1.h"
7 : #include "../../../ballet/secp256r1/fd_secp256r1.h"
8 :
9 : /* Docs:
10 : https://docs.solana.com/developing/runtime-facilities/programs#ed25519-program
11 : https://docs.solana.com/developing/runtime-facilities/programs#secp256k1-program */
12 :
13 : /* There are 3 precompiles and 2 ways to serialize data.
14 : The most recent one seems are ed25519 and secp256r1 with 2 bytes per instruction,
15 : that works better with JS sdk even though it consumes a few bytes. */
16 : struct __attribute__((packed)) fd_precompile_sig_offsets {
17 : ushort sig_offset;
18 : ushort sig_instr_idx;
19 : ushort pubkey_offset;
20 : ushort pubkey_instr_idx;
21 : ushort msg_offset;
22 : ushort msg_data_sz;
23 : ushort msg_instr_idx;
24 : };
25 : typedef struct fd_precompile_sig_offsets fd_ed25519_signature_offsets_t;
26 : typedef struct fd_precompile_sig_offsets fd_secp256r1_signature_offsets_t;
27 :
28 : struct __attribute__((packed)) fd_precompile_one_byte_idx_sig_offsets {
29 : ushort sig_offset;
30 : uchar sig_instr_idx;
31 : ushort pubkey_offset;
32 : uchar pubkey_instr_idx;
33 : ushort msg_offset;
34 : ushort msg_data_sz;
35 : uchar msg_instr_idx;
36 : };
37 : typedef struct fd_precompile_one_byte_idx_sig_offsets fd_secp256k1_signature_offsets_t;
38 :
39 : /*
40 : Common
41 : */
42 :
43 0 : #define SIGNATURE_SERIALIZED_SIZE (64UL)
44 0 : #define SIGNATURE_OFFSETS_SERIALIZED_SIZE (14UL)
45 0 : #define SIGNATURE_OFFSETS_START (2UL)
46 : #define DATA_START (SIGNATURE_OFFSETS_SERIALIZED_SIZE + SIGNATURE_OFFSETS_START)
47 :
48 : /*
49 : Custom
50 : */
51 :
52 0 : #define ED25519_PUBKEY_SERIALIZED_SIZE (32UL)
53 :
54 0 : #define SECP256R1_PUBKEY_SERIALIZED_SIZE (33UL)
55 :
56 0 : #define SECP256K1_PUBKEY_SERIALIZED_SIZE (20UL)
57 0 : #define SECP256K1_SIGNATURE_OFFSETS_SERIALIZED_SIZE (11UL)
58 0 : #define SECP256K1_SIGNATURE_OFFSETS_START (1UL)
59 : #define SECP256K1_DATA_START (SECP256K1_SIGNATURE_OFFSETS_SERIALIZED_SIZE + SECP256K1_SIGNATURE_OFFSETS_START)
60 :
61 : FD_STATIC_ASSERT( sizeof( fd_ed25519_signature_offsets_t )==SIGNATURE_OFFSETS_SERIALIZED_SIZE, fd_ballet );
62 : FD_STATIC_ASSERT( sizeof( fd_secp256k1_signature_offsets_t )==SECP256K1_SIGNATURE_OFFSETS_SERIALIZED_SIZE, fd_ballet );
63 :
64 : /*
65 : Common code
66 : */
67 :
68 : /* fd_precompile_get_instr_data fetches data across instructions.
69 : In Agave, the 2 precompiles have slightly different behavior:
70 : 1. Ed25519 has 16-bit instr index vs Secp256k1 has 8-bit
71 : 2. Ed25519 accepts instr index==0xFFFF as a special value to indicate
72 : the current instruction, Secp256k1 doesn't have this feature
73 : 3. Ed25519 always return InvalidDataOffsets, while Secp256k1 can
74 : return InvalidDataOffsets or InvalidSignature
75 : All these differences are completely useless, so we unify the logic.
76 : We handle the special case of index==0xFFFF as in Ed25519.
77 : We handle errors as in Secp256k1. */
78 : static inline int
79 : fd_precompile_get_instr_data( fd_exec_instr_ctx_t * ctx,
80 : ushort index,
81 : ushort offset,
82 : ushort sz,
83 0 : uchar const ** res ) {
84 0 : uchar const * data;
85 0 : ulong data_sz;
86 : /* The special value index==USHORT_MAX means current instruction.
87 : This feature has been introduced for ed25519, but not for secp256k1 where
88 : index is 1-byte only.
89 : So, fortunately, we can use the same function.
90 : https://github.com/anza-xyz/agave/blob/v1.18.12/sdk/src/ed25519_instruction.rs#L161-L163
91 : https://github.com/anza-xyz/agave/blob/v1.18.12/sdk/src/secp256k1_instruction.rs#L1018 */
92 0 : if( index==USHORT_MAX ) {
93 :
94 : /* Use current instruction data */
95 0 : data = ctx->instr->data;
96 0 : data_sz = ctx->instr->data_sz;
97 :
98 0 : } else {
99 :
100 0 : if( FD_UNLIKELY( index>=ctx->txn_ctx->instr_info_cnt ) )
101 0 : return FD_EXECUTOR_PRECOMPILE_ERR_DATA_OFFSET;
102 :
103 0 : fd_instr_info_t const * instr = &ctx->txn_ctx->instr_infos[ index ];
104 0 : data = instr->data;
105 0 : data_sz = instr->data_sz;
106 :
107 0 : }
108 :
109 0 : if( FD_UNLIKELY( (ulong)offset+(ulong)sz > data_sz ) ) /* (offset+sz) in [0,2^17) */
110 0 : return FD_EXECUTOR_PRECOMPILE_ERR_SIGNATURE;
111 :
112 0 : *res = data + offset;
113 0 : return 0;
114 0 : }
115 :
116 : /*
117 : Ed25519
118 : */
119 :
120 : int
121 0 : fd_precompile_ed25519_verify( fd_exec_instr_ctx_t * ctx ) {
122 :
123 0 : uchar const * data = ctx->instr->data;
124 0 : ulong data_sz = ctx->instr->data_sz;
125 :
126 : /* https://github.com/anza-xyz/agave/blob/v1.18.12/sdk/src/ed25519_instruction.rs#L90-L96
127 : note: this part is really silly and in fact in leaves out the edge case [0, 0].
128 :
129 : Our implementation does the following:
130 : 1. assert that there's enough data to deser 1+ fd_ed25519_sig_offsets
131 : (in particular, data[0] is accessible)
132 : - in the unlikely case, check for the Agave edge case
133 : 2. if data[0]==0 return
134 : 3. compute and check expected size */
135 0 : if( FD_UNLIKELY( data_sz < DATA_START ) ) {
136 0 : if( FD_UNLIKELY( data_sz == 2 && data[0] == 0 ) ) {
137 0 : return FD_EXECUTOR_INSTR_SUCCESS;
138 0 : }
139 0 : ctx->txn_ctx->custom_err = FD_EXECUTOR_PRECOMPILE_ERR_INSTR_DATA_SIZE;
140 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
141 0 : }
142 :
143 0 : ulong sig_cnt = data[0];
144 0 : if( FD_UNLIKELY( sig_cnt==0 ) ) {
145 0 : ctx->txn_ctx->custom_err = FD_EXECUTOR_PRECOMPILE_ERR_INSTR_DATA_SIZE;
146 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
147 0 : }
148 :
149 : /* https://github.com/anza-xyz/agave/blob/v1.18.12/sdk/src/ed25519_instruction.rs#L97-L103 */
150 0 : ulong expected_data_size = sig_cnt * SIGNATURE_OFFSETS_SERIALIZED_SIZE + SIGNATURE_OFFSETS_START;
151 0 : if( FD_UNLIKELY( data_sz < expected_data_size ) ) {
152 0 : ctx->txn_ctx->custom_err = FD_EXECUTOR_PRECOMPILE_ERR_INSTR_DATA_SIZE;
153 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
154 0 : }
155 :
156 0 : ulong off = SIGNATURE_OFFSETS_START;
157 0 : for( ulong i = 0; i < sig_cnt; ++i ) {
158 0 : fd_ed25519_signature_offsets_t const * sigoffs = (const fd_ed25519_signature_offsets_t *) (data + off);
159 0 : off += SIGNATURE_OFFSETS_SERIALIZED_SIZE;
160 :
161 : /* https://github.com/anza-xyz/agave/blob/v1.18.12/sdk/src/ed25519_instruction.rs#L110-L112 */
162 : // ???
163 :
164 : /* https://github.com/anza-xyz/agave/blob/v1.18.12/sdk/src/ed25519_instruction.rs#L114-L121 */
165 0 : uchar const * sig = NULL;
166 0 : int err = fd_precompile_get_instr_data( ctx,
167 0 : sigoffs->sig_instr_idx,
168 0 : sigoffs->sig_offset,
169 0 : SIGNATURE_SERIALIZED_SIZE,
170 0 : &sig );
171 0 : if( FD_UNLIKELY( err ) ) {
172 0 : ctx->txn_ctx->custom_err = (uint)err;
173 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
174 0 : }
175 :
176 : /* https://github.com/anza-xyz/agave/blob/v1.18.12/sdk/src/ed25519_instruction.rs#L123-L124
177 : Note: we parse the signature as part of fd_ed25519_verify.
178 : Because of this, the return error code might be different from Agave in some edge cases. */
179 :
180 : /* https://github.com/anza-xyz/agave/blob/v1.18.12/sdk/src/ed25519_instruction.rs#L126-L133 */
181 0 : uchar const * pubkey = NULL;
182 0 : err = fd_precompile_get_instr_data( ctx,
183 0 : sigoffs->pubkey_instr_idx,
184 0 : sigoffs->pubkey_offset,
185 0 : ED25519_PUBKEY_SERIALIZED_SIZE,
186 0 : &pubkey );
187 0 : if( FD_UNLIKELY( err ) ) {
188 0 : ctx->txn_ctx->custom_err = (uint)err;
189 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
190 0 : }
191 :
192 : /* https://github.com/anza-xyz/agave/blob/v1.18.12/sdk/src/ed25519_instruction.rs#L135-L136
193 : Note: we parse the public key as part of fd_ed25519_verify.
194 : Because of this, the return error code might be different from Agave in some edge cases. */
195 :
196 : /* https://github.com/anza-xyz/agave/blob/v1.18.12/sdk/src/ed25519_instruction.rs#L138-L145 */
197 0 : uchar const * msg = NULL;
198 0 : ushort msg_sz = sigoffs->msg_data_sz;
199 0 : err = fd_precompile_get_instr_data( ctx,
200 0 : sigoffs->msg_instr_idx,
201 0 : sigoffs->msg_offset,
202 0 : msg_sz,
203 0 : &msg );
204 0 : if( FD_UNLIKELY( err ) ) {
205 0 : ctx->txn_ctx->custom_err = (uint)err;
206 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
207 0 : }
208 :
209 : /* https://github.com/anza-xyz/agave/blob/v1.18.12/sdk/src/ed25519_instruction.rs#L147-L149 */
210 0 : fd_sha512_t sha[1];
211 0 : if( FD_UNLIKELY( fd_ed25519_verify( msg, msg_sz, sig, pubkey, sha )!=FD_ED25519_SUCCESS ) ) {
212 0 : ctx->txn_ctx->custom_err = FD_EXECUTOR_PRECOMPILE_ERR_SIGNATURE;
213 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
214 0 : }
215 0 : }
216 :
217 0 : return FD_EXECUTOR_INSTR_SUCCESS;
218 0 : }
219 :
220 : /*
221 : Secp256K1
222 : */
223 :
224 : int
225 0 : fd_precompile_secp256k1_verify( fd_exec_instr_ctx_t * ctx ) {
226 :
227 0 : uchar const * data = ctx->instr->data;
228 0 : ulong data_sz = ctx->instr->data_sz;
229 :
230 : /* https://github.com/anza-xyz/agave/blob/v1.18.12/sdk/src/secp256k1_instruction.rs#L934-L947
231 : see comment in ed25519, here the special case is [0] instead of [0, 0] */
232 0 : if( FD_UNLIKELY( data_sz < SECP256K1_DATA_START ) ) {
233 0 : if( FD_UNLIKELY( data_sz == 1 && data[0] == 0 ) ) {
234 0 : return FD_EXECUTOR_INSTR_SUCCESS;
235 0 : }
236 0 : ctx->txn_ctx->custom_err = FD_EXECUTOR_PRECOMPILE_ERR_INSTR_DATA_SIZE;
237 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
238 0 : }
239 :
240 : /* https://github.com/anza-xyz/agave/blob/574bae8fefc0ed256b55340b9d87b7689bcdf222/sdk/src/secp256k1_instruction.rs#L938-L947 */
241 0 : ulong sig_cnt = data[0];
242 0 : if( FD_UNLIKELY( sig_cnt==0 && data_sz>1 ) ) {
243 0 : ctx->txn_ctx->custom_err = FD_EXECUTOR_PRECOMPILE_ERR_INSTR_DATA_SIZE;
244 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
245 0 : }
246 :
247 : /* https://github.com/anza-xyz/agave/blob/v1.18.12/sdk/src/secp256k1_instruction.rs#L948-L953 */
248 0 : ulong expected_data_size = sig_cnt * SECP256K1_SIGNATURE_OFFSETS_SERIALIZED_SIZE + SECP256K1_SIGNATURE_OFFSETS_START;
249 0 : if( FD_UNLIKELY( data_sz < expected_data_size ) ) {
250 0 : ctx->txn_ctx->custom_err = FD_EXECUTOR_PRECOMPILE_ERR_INSTR_DATA_SIZE;
251 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
252 0 : }
253 :
254 0 : ulong off = SECP256K1_SIGNATURE_OFFSETS_START;
255 0 : for( ulong i = 0; i < sig_cnt; ++i ) {
256 0 : fd_secp256k1_signature_offsets_t const * sigoffs = (const fd_secp256k1_signature_offsets_t *) (data + off);
257 0 : off += SECP256K1_SIGNATURE_OFFSETS_SERIALIZED_SIZE;
258 :
259 : /* https://github.com/anza-xyz/agave/blob/v1.18.12/sdk/src/secp256k1_instruction.rs#L960-L961 */
260 : // ???
261 :
262 : /* https://github.com/anza-xyz/agave/blob/v1.18.12/sdk/src/secp256k1_instruction.rs#L963-L973
263 : Note: for whatever reason, Agave returns InvalidInstructionDataSize instead of InvalidDataOffsets.
264 : We just return the err as is. */
265 0 : uchar const * sig = NULL;
266 0 : int err = fd_precompile_get_instr_data( ctx,
267 0 : sigoffs->sig_instr_idx,
268 0 : sigoffs->sig_offset,
269 0 : SIGNATURE_SERIALIZED_SIZE + 1, /* extra byte is recovery id */
270 0 : &sig );
271 0 : if( FD_UNLIKELY( err ) ) {
272 0 : ctx->txn_ctx->custom_err = (uint)err;
273 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
274 0 : }
275 :
276 : /* https://github.com/anza-xyz/agave/blob/v1.18.12/sdk/src/secp256k1_instruction.rs#L975-L981
277 : Note: we parse the signature and recovery id as part of fd_secp256k1_recover.
278 : Because of this, the return error code might be different from Agave in some edge cases. */
279 0 : int recovery_id = (int)sig[SIGNATURE_SERIALIZED_SIZE]; /* extra byte is recovery id */
280 :
281 : /* https://github.com/anza-xyz/agave/blob/v1.18.12/sdk/src/secp256k1_instruction.rs#L983-L989 */
282 0 : uchar const * eth_address = NULL;
283 0 : err = fd_precompile_get_instr_data( ctx,
284 0 : sigoffs->pubkey_instr_idx,
285 0 : sigoffs->pubkey_offset,
286 0 : SECP256K1_PUBKEY_SERIALIZED_SIZE,
287 0 : ð_address );
288 0 : if( FD_UNLIKELY( err ) ) {
289 0 : ctx->txn_ctx->custom_err = (uint)err;
290 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
291 0 : }
292 :
293 : /* https://github.com/anza-xyz/agave/blob/v1.18.12/sdk/src/secp256k1_instruction.rs#L991-L997 */
294 0 : uchar const * msg = NULL;
295 0 : ushort msg_sz = sigoffs->msg_data_sz;
296 0 : err = fd_precompile_get_instr_data( ctx,
297 0 : sigoffs->msg_instr_idx,
298 0 : sigoffs->msg_offset,
299 0 : msg_sz,
300 0 : &msg );
301 0 : if( FD_UNLIKELY( err ) ) {
302 0 : ctx->txn_ctx->custom_err = (uint)err;
303 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
304 0 : }
305 :
306 : /* https://github.com/anza-xyz/agave/blob/v1.18.12/sdk/src/secp256k1_instruction.rs#L999-L1001 */
307 0 : uchar msg_hash[ FD_KECCAK256_HASH_SZ ];
308 0 : fd_keccak256_hash( msg, msg_sz, msg_hash );
309 :
310 : /* https://github.com/anza-xyz/agave/blob/v1.18.12/sdk/src/secp256k1_instruction.rs#L1003-L1008 */
311 0 : uchar pubkey[64];
312 0 : if ( FD_UNLIKELY( fd_secp256k1_recover( pubkey, msg_hash, sig, recovery_id ) == NULL ) ) {
313 0 : ctx->txn_ctx->custom_err = FD_EXECUTOR_PRECOMPILE_ERR_SIGNATURE;
314 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
315 0 : }
316 :
317 : /* https://github.com/anza-xyz/agave/blob/v1.18.12/sdk/src/secp256k1_instruction.rs#L1009-L1013 */
318 0 : uchar pubkey_hash[ FD_KECCAK256_HASH_SZ ];
319 0 : fd_keccak256_hash( pubkey, 64, pubkey_hash );
320 :
321 0 : if( FD_UNLIKELY( memcmp( eth_address, pubkey_hash+(FD_KECCAK256_HASH_SZ-SECP256K1_PUBKEY_SERIALIZED_SIZE), SECP256K1_PUBKEY_SERIALIZED_SIZE ) ) ) {
322 0 : ctx->txn_ctx->custom_err = FD_EXECUTOR_PRECOMPILE_ERR_SIGNATURE;
323 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
324 0 : }
325 0 : }
326 :
327 0 : return FD_EXECUTOR_INSTR_SUCCESS;
328 0 : }
329 :
330 : /*
331 : Secp256r1
332 : */
333 :
334 : #ifdef FD_HAS_S2NBIGNUM
335 : int
336 0 : fd_precompile_secp256r1_verify( fd_exec_instr_ctx_t * ctx ) {
337 0 : if( FD_UNLIKELY( !FD_FEATURE_ACTIVE_BANK( ctx->txn_ctx->bank, enable_secp256r1_precompile ) ) ) {
338 0 : return FD_EXECUTOR_INSTR_ERR_UNSUPPORTED_PROGRAM_ID;
339 0 : }
340 :
341 0 : uchar const * data = ctx->instr->data;
342 0 : ulong data_sz = ctx->instr->data_sz;
343 :
344 : /* ... */
345 0 : if( FD_UNLIKELY( data_sz < DATA_START ) ) {
346 0 : ctx->txn_ctx->custom_err = FD_EXECUTOR_PRECOMPILE_ERR_INSTR_DATA_SIZE;
347 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
348 0 : }
349 :
350 0 : ulong sig_cnt = data[0];
351 0 : if( FD_UNLIKELY( sig_cnt==0UL ) ) {
352 0 : ctx->txn_ctx->custom_err = FD_EXECUTOR_PRECOMPILE_ERR_INSTR_DATA_SIZE;
353 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
354 0 : }
355 :
356 : /* https://github.com/anza-xyz/agave/blob/v2.3.1/precompiles/src/secp256r1.rs#L30 */
357 0 : if( FD_UNLIKELY( sig_cnt>8UL ) ) {
358 0 : ctx->txn_ctx->custom_err = FD_EXECUTOR_PRECOMPILE_ERR_INSTR_DATA_SIZE;
359 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
360 0 : }
361 :
362 : /* ... */
363 0 : ulong expected_data_size = sig_cnt * SIGNATURE_OFFSETS_SERIALIZED_SIZE + SIGNATURE_OFFSETS_START;
364 0 : if( FD_UNLIKELY( data_sz < expected_data_size ) ) {
365 0 : ctx->txn_ctx->custom_err = FD_EXECUTOR_PRECOMPILE_ERR_INSTR_DATA_SIZE;
366 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
367 0 : }
368 :
369 0 : ulong off = SIGNATURE_OFFSETS_START;
370 0 : for( ulong i = 0; i < sig_cnt; ++i ) {
371 0 : fd_secp256r1_signature_offsets_t const * sigoffs = (const fd_secp256r1_signature_offsets_t *) (data + off);
372 0 : off += SIGNATURE_OFFSETS_SERIALIZED_SIZE;
373 :
374 : /* ... */
375 0 : uchar const * sig = NULL;
376 0 : int err = fd_precompile_get_instr_data( ctx,
377 0 : sigoffs->sig_instr_idx,
378 0 : sigoffs->sig_offset,
379 0 : SIGNATURE_SERIALIZED_SIZE,
380 0 : &sig );
381 0 : if( FD_UNLIKELY( err ) ) {
382 0 : ctx->txn_ctx->custom_err = (uint)err;
383 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
384 0 : }
385 :
386 : /* ... */
387 0 : uchar const * pubkey = NULL;
388 0 : err = fd_precompile_get_instr_data( ctx,
389 0 : sigoffs->pubkey_instr_idx,
390 0 : sigoffs->pubkey_offset,
391 0 : SECP256R1_PUBKEY_SERIALIZED_SIZE,
392 0 : &pubkey );
393 0 : if( FD_UNLIKELY( err ) ) {
394 0 : ctx->txn_ctx->custom_err = (uint)err;
395 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
396 0 : }
397 :
398 : /* ... */
399 0 : uchar const * msg = NULL;
400 0 : ushort msg_sz = sigoffs->msg_data_sz;
401 0 : err = fd_precompile_get_instr_data( ctx,
402 0 : sigoffs->msg_instr_idx,
403 0 : sigoffs->msg_offset,
404 0 : msg_sz,
405 0 : &msg );
406 0 : if( FD_UNLIKELY( err ) ) {
407 0 : ctx->txn_ctx->custom_err = (uint)err;
408 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
409 0 : }
410 :
411 : /* ... */
412 0 : fd_sha256_t sha[1];
413 0 : if( FD_UNLIKELY( fd_secp256r1_verify( msg, msg_sz, sig, pubkey, sha )!=FD_SECP256R1_SUCCESS ) ) {
414 0 : ctx->txn_ctx->custom_err = FD_EXECUTOR_PRECOMPILE_ERR_SIGNATURE;
415 0 : return FD_EXECUTOR_INSTR_ERR_CUSTOM_ERR;
416 0 : }
417 0 : }
418 :
419 0 : return FD_EXECUTOR_INSTR_SUCCESS;
420 0 : }
421 : #else
422 : int
423 : fd_precompile_secp256r1_verify( FD_PARAM_UNUSED fd_exec_instr_ctx_t * ctx ) {
424 : return FD_EXECUTOR_INSTR_ERR_FATAL;
425 : }
426 : #endif
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