Line data Source code
1 : #define _GNU_SOURCE
2 : #include "fd_genesi_tile.h"
3 : #include "fd_genesis_client.h"
4 : #include "../../disco/topo/fd_topo.h"
5 : #include "../../disco/topo/fd_dns_resolve.h"
6 : #include "../../disco/waker/fd_waker.h"
7 : #include "../../disco/fd_clock_tile.h"
8 : #include "../../flamenco/accdb/fd_accdb.h"
9 : #include "../../flamenco/accdb/fd_accdb_shmem.h"
10 : #include "../../flamenco/genesis/fd_genesis_parse.h"
11 : #include "../../disco/events/generated/fd_event_gen.h"
12 : #include "../../third_party/bzip2/bzlib.h"
13 : #include "../../ballet/sha256/fd_sha256.h"
14 : #include "../../flamenco/runtime/fd_hashes.h"
15 : #include "../../util/archive/fd_tar.h"
16 :
17 : #include <stdio.h>
18 : #include <errno.h>
19 : #include <fcntl.h>
20 : #include <poll.h>
21 : #include <sys/syscall.h>
22 : #include <unistd.h>
23 : #include <netinet/in.h>
24 : #include <linux/fs.h>
25 :
26 : #include <sys/socket.h>
27 : #include <linux/futex.h>
28 : #include "generated/fd_genesi_tile_seccomp.h"
29 :
30 : static void *
31 : bz2_malloc( void * opaque,
32 : int items,
33 0 : int size ) {
34 0 : fd_alloc_t * alloc = (fd_alloc_t *)opaque;
35 :
36 0 : if( FD_UNLIKELY( items<=0 || size<=0 ) ) {
37 0 : FD_LOG_WARNING(( "bz2_malloc: invalid items=%d or size=%d", items, size ));
38 0 : return NULL;
39 0 : }
40 0 : void * result = fd_alloc_malloc( alloc, alignof(max_align_t), (ulong)items*(ulong)size );
41 0 : if( FD_UNLIKELY( !result ) ) return NULL;
42 0 : return result;
43 0 : }
44 :
45 : static void
46 : bz2_free( void * opaque,
47 0 : void * addr ) {
48 0 : fd_alloc_t * alloc = (fd_alloc_t *)opaque;
49 :
50 0 : if( FD_UNLIKELY( !addr ) ) return;
51 0 : fd_alloc_free( alloc, addr );
52 0 : }
53 :
54 : struct fd_genesi_tile {
55 : fd_accdb_t * accdb;
56 :
57 : fd_hash_t genesis_hash[1];
58 :
59 : fd_genesis_client_t * client;
60 :
61 : ulong waker_client_idx;
62 : ulong * waker_fseq;
63 :
64 : fd_clock_tile_t clock[1];
65 :
66 : fd_ip4_port_t entrypoints[ FD_TOPO_GOSSIP_ENTRYPOINTS_MAX ];
67 : ulong entrypoints_cnt;
68 :
69 : fd_lthash_value_t lthash[1];
70 :
71 : int local_genesis;
72 : int bootstrap;
73 : int shutdown;
74 :
75 : int has_expected_genesis_hash;
76 : uchar expected_genesis_hash[ 32UL ];
77 : ushort expected_shred_version;
78 : int validate_genesis_hash;
79 :
80 : char genesis_path[ PATH_MAX ];
81 :
82 : int in_fd;
83 : int out_fd;
84 : int out_dir_fd;
85 :
86 : struct {
87 : fd_wksp_t * mem;
88 : ulong chunk0;
89 : } out;
90 :
91 : fd_alloc_t * bz2_alloc;
92 :
93 : fd_genesis_t * genesis;
94 : uchar * genesis_blob;
95 : ulong genesis_blob_sz;
96 : ulong max_message_size;
97 : };
98 :
99 : typedef struct fd_genesi_tile fd_genesi_tile_t;
100 :
101 : FD_FN_CONST static inline ulong
102 0 : scratch_align( void ) {
103 0 : ulong a = alignof( fd_genesi_tile_t );
104 0 : a = fd_ulong_max( a, fd_genesis_client_align() );
105 0 : a = fd_ulong_max( a, fd_alloc_align() );
106 0 : a = fd_ulong_max( a, fd_genesis_align() );
107 0 : return a;
108 0 : }
109 :
110 : FD_FN_PURE static inline ulong
111 0 : scratch_footprint( fd_topo_tile_t const * tile ) {
112 0 : ulong l = FD_LAYOUT_INIT;
113 0 : l = FD_LAYOUT_APPEND( l, alignof( fd_genesi_tile_t ), sizeof( fd_genesi_tile_t ) );
114 0 : l = FD_LAYOUT_APPEND( l, fd_genesis_client_align(), fd_genesis_client_footprint() );
115 0 : l = FD_LAYOUT_APPEND( l, fd_alloc_align(), fd_alloc_footprint() );
116 0 : if( FD_UNLIKELY( !tile->genesi.entrypoints_cnt ) ) {
117 0 : l = FD_LAYOUT_APPEND( l, fd_accdb_align(), fd_accdb_footprint( tile->genesi.max_live_slots, 0 ) );
118 0 : }
119 0 : l = FD_LAYOUT_APPEND( l, fd_genesis_align(), fd_genesis_footprint( fd_genesis_account_max( tile->genesi.max_message_size ) ) );
120 0 : l = FD_LAYOUT_APPEND( l, alignof(uchar), tile->genesi.max_message_size + 4UL*FD_TAR_BLOCK_SZ );
121 0 : return FD_LAYOUT_FINI( l, scratch_align() );
122 0 : }
123 :
124 : FD_FN_CONST static inline ulong
125 0 : loose_footprint( fd_topo_tile_t const * tile ) {
126 0 : (void)tile;
127 : /* Leftover space for bzip2 allocations */
128 0 : return 1UL<<26; /* 64 MiB */
129 0 : }
130 :
131 : static inline int
132 0 : should_shutdown( fd_genesi_tile_t * ctx ) {
133 0 : return ctx->shutdown;
134 0 : }
135 :
136 : static void
137 0 : during_housekeeping( fd_genesi_tile_t * ctx ) {
138 0 : if( FD_UNLIKELY( fd_clock_tile_recal_due( ctx->clock ) ) ) fd_clock_tile_recal( ctx->clock );
139 0 : }
140 :
141 : static long
142 0 : next_deadline( fd_genesi_tile_t * ctx ) {
143 0 : if( FD_LIKELY( ctx->shutdown || ctx->local_genesis ) ) return LONG_MAX;
144 :
145 0 : long deadline = fd_genesis_client_deadline_nanos( ctx->client );
146 0 : if( FD_UNLIKELY( deadline==LONG_MAX ) ) return 0L; /* first poll starts the clock */
147 0 : return fd_clock_tile_wallclock_to_tickcount( ctx->clock, deadline );
148 0 : }
149 :
150 : static void
151 : initialize_accdb( fd_accdb_t * accdb,
152 : fd_genesis_t const * genesis,
153 : uchar const * genesis_blob,
154 0 : fd_lthash_value_t * lthash ) {
155 0 : fd_accdb_fork_id_t fork_id = fd_accdb_attach_child( accdb, (fd_accdb_fork_id_t) {.val = USHORT_MAX } );
156 :
157 0 : for( ulong i=0UL; i<genesis->account_cnt; i++ ) {
158 0 : fd_genesis_account_t account[1];
159 0 : fd_genesis_account( genesis, genesis_blob, account, i );
160 :
161 0 : fd_acc_t acc = fd_accdb_write_one( accdb, fork_id, account->pubkey.key );
162 0 : fd_memcpy( acc.owner, account->owner.uc, 32UL );
163 0 : acc.lamports = account->lamports;
164 0 : acc.executable = !!account->executable;
165 0 : acc.data_len = account->data_len;
166 0 : fd_memcpy( acc.data, account->data, account->data_len );
167 :
168 0 : fd_lthash_value_t new_hash[1];
169 0 : fd_hashes_account_lthash_simple( account->pubkey.uc, acc.owner, acc.lamports, acc.executable, account->data, account->data_len, new_hash );
170 0 : fd_lthash_add( lthash, new_hash );
171 :
172 0 : acc.commit = 1;
173 0 : fd_accdb_unwrite_one( accdb, &acc );
174 0 : }
175 0 : }
176 :
177 : static inline void
178 : verify_cluster_type( fd_genesis_t const * genesis,
179 : fd_hash_t const * genesis_hash,
180 0 : char const * genesis_path ) {
181 :
182 0 : fd_hash_t mainnet_hash[1];
183 0 : FD_TEST( fd_base58_decode_32( "5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpKuc147dw2N9d", mainnet_hash->uc ) );
184 :
185 0 : fd_hash_t testnet_hash[1];
186 0 : FD_TEST( fd_base58_decode_32( "4uhcVJyU9pJkvQyS88uRDiswHXSCkY3zQawwpjk2NsNY", testnet_hash->uc ) );
187 :
188 0 : fd_hash_t devnet_hash[1];
189 0 : FD_TEST( fd_base58_decode_32( "EtWTRABZaYq6iMfeYKouRu166VU2xqa1wcaWoxPkrZBG", devnet_hash->uc ) );
190 :
191 0 : switch( genesis->cluster_type ) {
192 0 : case FD_GENESIS_TYPE_MAINNET: {
193 0 : if( FD_UNLIKELY( !fd_hash_eq( genesis_hash, mainnet_hash ) ) ) {
194 0 : FD_BASE58_ENCODE_32_BYTES( genesis_hash->uc, genesis_hash_b58 );
195 0 : FD_LOG_ERR(( "genesis file `%s` has cluster type MAINNET but unexpected genesis hash `%s`",
196 0 : genesis_path, genesis_hash_b58 ));
197 0 : }
198 0 : break;
199 0 : }
200 0 : case FD_GENESIS_TYPE_TESTNET: {
201 0 : if( FD_UNLIKELY( !fd_hash_eq( genesis_hash, testnet_hash ) ) ) {
202 0 : FD_BASE58_ENCODE_32_BYTES( genesis_hash->uc, genesis_hash_b58 );
203 0 : FD_LOG_ERR(( "genesis file `%s` has cluster type TESTNET but unexpected genesis hash `%s`",
204 0 : genesis_path, genesis_hash_b58 ));
205 0 : }
206 0 : break;
207 0 : }
208 0 : case FD_GENESIS_TYPE_DEVNET: {
209 0 : if( FD_UNLIKELY( !fd_hash_eq( genesis_hash, devnet_hash ) ) ) {
210 0 : FD_BASE58_ENCODE_32_BYTES( genesis_hash->uc, genesis_hash_b58 );
211 0 : FD_LOG_ERR(( "genesis file `%s` has cluster type DEVNET but unexpected genesis hash `%s`",
212 0 : genesis_path, genesis_hash_b58 ));
213 0 : }
214 0 : break;
215 0 : }
216 0 : default:
217 0 : break;
218 0 : }
219 0 : }
220 :
221 : static void
222 : after_credit( fd_genesi_tile_t * ctx,
223 : fd_stem_context_t * stem,
224 : int * opt_poll_in,
225 0 : int * charge_busy ) {
226 0 : (void)opt_poll_in;
227 :
228 0 : if( FD_UNLIKELY( ctx->shutdown ) ) return;
229 :
230 0 : if( FD_LIKELY( ctx->local_genesis ) ) {
231 0 : FD_TEST( -1!=ctx->in_fd );
232 :
233 0 : if( FD_UNLIKELY( ctx->genesis_blob_sz>ctx->max_message_size ) ) {
234 0 : FD_LOG_ERR(( "Genesis file `%s` exceeds maximum size (blob_sz=%lu max=%lu)",
235 0 : ctx->genesis_path, ctx->genesis_blob_sz, ctx->max_message_size ));
236 0 : }
237 0 : ulong msg_sz = sizeof(fd_genesis_meta_t) + ctx->genesis_blob_sz;
238 0 : if( FD_UNLIKELY( msg_sz>fd_genesi_tile_mtu( ctx->max_message_size ) ) ) {
239 0 : FD_LOG_ERR(( "The genesis file `%s` is too large for this Firedancer configuration (msg_sz=%lu max=%lu).\n"
240 0 : "Cannot start Firedancer. Please use a different genesis config or increase `development.genesis.max_file_size_mib`.",
241 0 : ctx->genesis_path, msg_sz, fd_genesi_tile_mtu( ctx->max_message_size ) ));
242 0 : }
243 :
244 0 : fd_genesis_meta_t * dst = fd_chunk_to_laddr( ctx->out.mem, ctx->out.chunk0 );
245 0 : memset( dst, 0, sizeof(fd_genesis_meta_t) );
246 0 : dst->creation_time_seconds = ctx->genesis->creation_time;
247 0 : dst->genesis_hash = *ctx->genesis_hash;
248 :
249 0 : if( FD_UNLIKELY( ctx->bootstrap ) ) {
250 0 : dst->bootstrap = 1;
251 0 : dst->has_lthash = 1;
252 0 : dst->lthash = *ctx->lthash;
253 0 : }
254 :
255 0 : uchar * dst_blob = (uchar *)( dst+1 );
256 0 : dst->blob_sz = ctx->genesis_blob_sz;
257 0 : fd_memcpy( dst_blob, ctx->genesis_blob, ctx->genesis_blob_sz );
258 :
259 0 : fd_stem_publish( stem, 0UL, msg_sz, ctx->out.chunk0, 0UL, 0UL, 0UL, 0UL );
260 0 : *charge_busy = 1;
261 0 : FD_LOG_NOTICE(( "loaded local genesis.bin from file %s%s%s", fd_log_style_dim(), ctx->genesis_path, fd_log_style_normal() ));
262 :
263 0 : ctx->shutdown = 1;
264 0 : } else {
265 0 : int fired = fd_fseq_query( ctx->waker_fseq )==1UL;
266 0 : if( FD_LIKELY( fired ) ) fd_fseq_update( ctx->waker_fseq, 0UL );
267 0 : uchar * buffer;
268 0 : ulong buffer_sz;
269 0 : fd_ip4_port_t peer;
270 0 : int result = fd_genesis_client_poll( ctx->client, fd_clock_tile_now( ctx->clock ), &peer, &buffer, &buffer_sz, charge_busy );
271 0 : if( FD_LIKELY( fired ) ) fd_waker_client_rearm( ctx->waker_client_idx );
272 0 : if( FD_UNLIKELY( -1==result ) ) FD_LOG_ERR(( "failed to retrieve genesis.bin from any configured gossip entrypoints" ));
273 0 : if( FD_LIKELY( 1==result ) ) return;
274 :
275 0 : uchar * decompressed = ctx->genesis_blob;
276 0 : ulong actual_decompressed_sz = 0UL;
277 0 : bz_stream bzstrm = {0};
278 0 : bzstrm.bzalloc = bz2_malloc;
279 0 : bzstrm.bzfree = bz2_free;
280 0 : bzstrm.opaque = ctx->bz2_alloc;
281 0 : int bzerr = BZ2_bzDecompressInit( &bzstrm, 0, 0 );
282 0 : if( FD_UNLIKELY( BZ_OK!=bzerr ) ) FD_LOG_ERR(( "BZ2_bzDecompressInit() failed (%d)", bzerr ));
283 :
284 0 : ulong decompressed_sz = ctx->max_message_size + 4UL*FD_TAR_BLOCK_SZ;
285 :
286 0 : bzstrm.next_in = (char *)buffer;
287 0 : bzstrm.avail_in = (uint)buffer_sz;
288 0 : bzstrm.next_out = (char *)decompressed;
289 0 : bzstrm.avail_out = (uint)decompressed_sz;
290 0 : bzerr = BZ2_bzDecompress( &bzstrm );
291 : /* genesis.bin is the first archive entry. Stop after filling the
292 : bounded prefix buffer instead of retaining the trailing RocksDB
293 : entries included by Agave. */
294 0 : if( FD_UNLIKELY( BZ_STREAM_END!=bzerr && !(BZ_OK==bzerr && !bzstrm.avail_out) ) ) {
295 0 : FD_LOG_ERR(( "BZ2_bzDecompress() failed or input was truncated (%d)", bzerr ));
296 0 : }
297 :
298 0 : actual_decompressed_sz = decompressed_sz - (ulong)bzstrm.avail_out;
299 :
300 0 : bzerr = BZ2_bzDecompressEnd( &bzstrm );
301 0 : if( FD_UNLIKELY( BZ_OK!=bzerr ) ) FD_LOG_ERR(( "BZ2_bzDecompressEnd() failed (%d)", bzerr ));
302 :
303 0 : FD_TEST( actual_decompressed_sz>=FD_TAR_BLOCK_SZ );
304 :
305 0 : fd_tar_meta_t const * meta = (fd_tar_meta_t const *)decompressed;
306 0 : FD_TEST( !strcmp( meta->name, "genesis.bin" ) );
307 0 : uchar const * blob = decompressed+FD_TAR_BLOCK_SZ;
308 0 : ulong blob_sz = fd_tar_meta_get_size( meta );
309 0 : if( FD_UNLIKELY( blob_sz==ULONG_MAX ) ) {
310 0 : FD_LOG_ERR(( "Genesis blob from peer at `http://" FD_IP4_ADDR_FMT ":%hu` has invalid tar header size",
311 0 : FD_IP4_ADDR_FMT_ARGS( peer.addr ), fd_ushort_bswap( peer.port ) ));
312 0 : }
313 0 : if( FD_UNLIKELY( blob_sz>ctx->max_message_size ) ) {
314 0 : FD_LOG_ERR(( "Genesis blob from peer at `http://" FD_IP4_ADDR_FMT ":%hu` exceeds maximum size (blob_sz=%lu max=%lu)",
315 0 : FD_IP4_ADDR_FMT_ARGS( peer.addr ), fd_ushort_bswap( peer.port ), blob_sz, ctx->max_message_size ));
316 0 : }
317 0 : FD_TEST( actual_decompressed_sz>=fd_ulong_sat_add( FD_TAR_BLOCK_SZ, blob_sz ) );
318 :
319 0 : fd_hash_t hash[1];
320 0 : fd_sha256_hash( blob, blob_sz, hash->uc );
321 :
322 : /* Can't verify expected_shred_version here because it needs to be
323 : mixed in with hard_forks from the snapshot. Replay tile will
324 : combine them and do this verification. */
325 :
326 0 : if( FD_LIKELY( ctx->has_expected_genesis_hash && memcmp( hash, ctx->expected_genesis_hash, 32UL ) ) ) {
327 0 : FD_BASE58_ENCODE_32_BYTES( ctx->expected_genesis_hash, expected_genesis_hash_b58 );
328 0 : FD_BASE58_ENCODE_32_BYTES( hash->uc, hash_b58 );
329 0 : FD_LOG_ERR(( "An expected genesis hash of `%s` has been set in your configuration file at [consensus.expected_genesis_hash] "
330 0 : "but the genesis hash derived from the peer at `http://" FD_IP4_ADDR_FMT ":%hu` has unexpected hash `%s`",
331 0 : expected_genesis_hash_b58, FD_IP4_ADDR_FMT_ARGS( peer.addr ), fd_ushort_bswap( peer.port ), hash_b58 ));
332 0 : }
333 :
334 0 : FD_TEST( !ctx->bootstrap );
335 :
336 0 : fd_genesis_t * genesis = fd_genesis_parse( ctx->genesis, blob, blob_sz );
337 0 : if( FD_UNLIKELY( !genesis ) ) {
338 0 : FD_LOG_ERR(( "unable to decode downloaded solana genesis file due to violated hardcoded limits" ));
339 0 : }
340 :
341 0 : if( FD_LIKELY( ctx->validate_genesis_hash ) ) {
342 0 : verify_cluster_type( genesis, hash, ctx->genesis_path );
343 0 : }
344 :
345 0 : ulong msg_sz = sizeof(fd_genesis_meta_t) + blob_sz;
346 0 : if( FD_UNLIKELY( msg_sz>fd_genesi_tile_mtu( ctx->max_message_size ) ) ) {
347 0 : FD_LOG_ERR(( "The genesis blob downloaded from peer at `http://" FD_IP4_ADDR_FMT ":%hu` is too large for this Firedancer configuration (msg_sz=%lu max=%lu).\n"
348 0 : "Cannot start Firedancer. Please use a different genesis config or increase `development.genesis.max_file_size_mib`.",
349 0 : FD_IP4_ADDR_FMT_ARGS( peer.addr ), fd_ushort_bswap( peer.port ), msg_sz, fd_genesi_tile_mtu( ctx->max_message_size ) ));
350 0 : }
351 :
352 0 : fd_genesis_meta_t * dst = fd_chunk_to_laddr( ctx->out.mem, ctx->out.chunk0 );
353 0 : memset( dst, 0, sizeof(fd_genesis_meta_t) );
354 0 : dst->creation_time_seconds = genesis->creation_time;
355 0 : dst->genesis_hash = *hash;
356 :
357 0 : uchar * dst_blob = (uchar *)( dst+1 );
358 0 : dst->blob_sz = blob_sz;
359 0 : fd_memcpy( dst_blob, blob, blob_sz );
360 :
361 0 : fd_stem_publish( stem, 0UL, msg_sz, ctx->out.chunk0, 0UL, 0UL, 0UL, 0UL );
362 :
363 0 : ulong bytes_written = 0UL;
364 0 : while( bytes_written<blob_sz ) {
365 0 : long result = write( ctx->out_fd, blob+bytes_written, blob_sz-bytes_written );
366 0 : if( FD_UNLIKELY( -1==result ) ) FD_LOG_ERR(( "write() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
367 0 : bytes_written += (ulong)result;
368 0 : }
369 :
370 0 : char basename[ PATH_MAX ];
371 0 : const char * last_slash = strrchr( ctx->genesis_path, '/' );
372 0 : if( FD_LIKELY( last_slash ) ) FD_TEST( fd_cstr_printf_check( basename, PATH_MAX, NULL, "%s", last_slash+1UL ) );
373 0 : else FD_TEST( fd_cstr_printf_check( basename, PATH_MAX, NULL, "%s", ctx->genesis_path ) );
374 :
375 0 : char basename_partial[ PATH_MAX ];
376 0 : FD_TEST( fd_cstr_printf_check( basename_partial, PATH_MAX, NULL, "%s.partial", basename ) );
377 :
378 0 : int err = (int)syscall( SYS_renameat2, ctx->out_dir_fd, basename_partial, ctx->out_dir_fd, basename, RENAME_NOREPLACE );
379 0 : if( FD_UNLIKELY( -1==err ) ) FD_LOG_ERR(( "renameat2() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
380 :
381 0 : FD_LOG_NOTICE(( "retrieved genesis %s%s%s from peer at %shttp://" FD_IP4_ADDR_FMT ":%hu/genesis.tar.bz2%s",
382 0 : fd_log_style_dim(), ctx->genesis_path, fd_log_style_normal(),
383 0 : fd_log_style_dim(), FD_IP4_ADDR_FMT_ARGS( peer.addr ), fd_ushort_bswap( peer.port ), fd_log_style_normal() ));
384 :
385 0 : ctx->shutdown = 1;
386 0 : }
387 0 : }
388 :
389 : static void
390 : process_local_genesis( fd_genesi_tile_t * ctx,
391 0 : char const * genesis_path ) {
392 0 : ctx->genesis_blob_sz = 0UL;
393 0 : for(;;) {
394 0 : if( FD_UNLIKELY( ctx->genesis_blob_sz==ctx->max_message_size ) ) {
395 0 : uchar extra;
396 0 : long result = read( ctx->in_fd, &extra, 1UL );
397 0 : if( FD_UNLIKELY( -1==result ) ) FD_LOG_ERR(( "read() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
398 0 : if( FD_UNLIKELY( result ) ) {
399 0 : FD_LOG_ERR(( "The genesis file at `%s` exceeds `development.genesis.max_file_size_mib` (%lu MiB).",
400 0 : genesis_path, ctx->max_message_size>>20 ));
401 0 : }
402 0 : break;
403 0 : }
404 0 : long result = read( ctx->in_fd, ctx->genesis_blob+ctx->genesis_blob_sz, ctx->max_message_size-ctx->genesis_blob_sz );
405 0 : if( FD_UNLIKELY( -1==result ) ) FD_LOG_ERR(( "read() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
406 0 : if( FD_UNLIKELY( !result ) ) break;
407 0 : ctx->genesis_blob_sz += (ulong)result;
408 0 : }
409 :
410 0 : if( FD_UNLIKELY( -1==close( ctx->in_fd ) ) ) FD_LOG_ERR(( "close() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
411 :
412 0 : fd_genesis_t * genesis = fd_genesis_parse( ctx->genesis, ctx->genesis_blob, ctx->genesis_blob_sz );
413 0 : if( FD_UNLIKELY( !genesis ) ) {
414 0 : FD_LOG_ERR(( "unable to decode solana genesis from local file due to violated hardcoded limits" ));
415 0 : }
416 :
417 0 : fd_sha256_hash( ctx->genesis_blob, ctx->genesis_blob_sz, ctx->genesis_hash );
418 0 : if( FD_LIKELY( ctx->validate_genesis_hash ) ) {
419 0 : verify_cluster_type( genesis, ctx->genesis_hash, genesis_path );
420 0 : }
421 :
422 0 : if( FD_UNLIKELY( ctx->bootstrap && ctx->expected_shred_version ) ) {
423 0 : ushort xor = 0;
424 0 : for( ulong i=0UL; i<16UL; i++ ) xor ^= ctx->genesis_hash->us[ i ];
425 :
426 0 : xor = fd_ushort_bswap( xor );
427 0 : xor = fd_ushort_if( xor<USHORT_MAX, (ushort)(xor + 1), USHORT_MAX );
428 :
429 0 : FD_TEST( xor );
430 :
431 0 : if( FD_UNLIKELY( xor!=ctx->expected_shred_version ) ) {
432 0 : FD_LOG_ERR(( "This node is bootstrapping the cluster as it has no gossip entrypoints provided, but "
433 0 : "a [consensus.expected_shred_version] of %hu is provided which does not match the shred "
434 0 : "version of %hu computed from the genesis.bin file at `%s`",
435 0 : ctx->expected_shred_version, xor, genesis_path ));
436 0 : }
437 0 : }
438 :
439 0 : if( FD_LIKELY( ctx->has_expected_genesis_hash && memcmp( ctx->genesis_hash, ctx->expected_genesis_hash, 32UL ) ) ) {
440 0 : FD_BASE58_ENCODE_32_BYTES( ctx->expected_genesis_hash, expected_genesis_hash_b58 );
441 0 : FD_BASE58_ENCODE_32_BYTES( ctx->genesis_hash->uc, genesis_hash_b58 );
442 0 : FD_LOG_ERR(( "An expected genesis hash of %s%s%s has been set in your configuration file at [consensus.expected_genesis_hash] "
443 0 : "but the genesis hash derived from the genesis file at %s%s%s has unexpected hash %s%s%s",
444 0 : fd_log_style_bold(), expected_genesis_hash_b58, fd_log_style_normal(),
445 0 : fd_log_style_dim(), genesis_path, fd_log_style_normal(),
446 0 : fd_log_style_bold(), genesis_hash_b58, fd_log_style_normal() ));
447 0 : }
448 0 : }
449 :
450 : static void
451 : privileged_init( fd_topo_t const * topo,
452 0 : fd_topo_tile_t const * tile ) {
453 0 : void * scratch = fd_topo_obj_laddr( topo, tile->tile_obj_id );
454 :
455 0 : FD_SCRATCH_ALLOC_INIT( l, scratch );
456 0 : fd_genesi_tile_t * ctx = FD_SCRATCH_ALLOC_APPEND( l, alignof( fd_genesi_tile_t ), sizeof( fd_genesi_tile_t ) );
457 0 : fd_genesis_client_t * _client = FD_SCRATCH_ALLOC_APPEND( l, fd_genesis_client_align(), fd_genesis_client_footprint() );
458 :
459 0 : fd_memset( ctx, 0, sizeof( fd_genesi_tile_t ) );
460 :
461 0 : ctx->local_genesis = 1;
462 0 : ctx->in_fd = open( tile->genesi.genesis_path, O_RDONLY|O_CLOEXEC );
463 0 : if( FD_UNLIKELY( -1==ctx->in_fd ) ) {
464 0 : if( FD_LIKELY( errno==ENOENT ) ) {
465 0 : FD_LOG_INFO(( "no local genesis.bin file found at `%s`", tile->genesi.genesis_path ));
466 :
467 0 : if( FD_UNLIKELY( !tile->genesi.entrypoints_cnt ) ) {
468 0 : FD_LOG_ERR(( "This node is bootstrapping the cluster as it has no gossip entrypoints provided, but "
469 0 : "the genesis.bin file at `%s` does not exist. Please provide a valid genesis.bin "
470 0 : "file by running genesis, or join an existing cluster.",
471 0 : tile->genesi.genesis_path ));
472 0 : } else {
473 0 : if( FD_UNLIKELY( !tile->genesi.allow_download ) ) {
474 0 : FD_LOG_ERR(( "There is no genesis.bin file at `%s` and automatic downloading is disabled as "
475 0 : "genesis_download is false in your configuration file. Please either provide a valid "
476 0 : "genesis.bin file locally, or allow downloading from a gossip entrypoint.",
477 0 : tile->genesi.genesis_path ));
478 0 : } else {
479 0 : char basename[ PATH_MAX ];
480 0 : fd_cstr_ncpy( basename, tile->genesi.genesis_path, PATH_MAX );
481 0 : char * last_slash = strrchr( basename, '/' );
482 0 : if( FD_LIKELY( last_slash ) ) *last_slash = '\0';
483 :
484 0 : ctx->out_dir_fd = open( basename, O_RDONLY|O_CLOEXEC|O_DIRECTORY );
485 0 : if( FD_UNLIKELY( -1==ctx->out_dir_fd ) ) FD_LOG_ERR(( "open() failed for genesis dir `%s` (%i-%s)", basename, errno, fd_io_strerror( errno ) ));
486 :
487 : /* Switch to non-root uid/gid for file creation. Permissions checks
488 : are still done as root. */
489 0 : gid_t gid = getgid();
490 0 : uid_t uid = getuid();
491 0 : if( FD_LIKELY( !gid && -1==syscall( __NR_setresgid, -1, tile->genesi.target_gid, -1 ) ) ) FD_LOG_ERR(( "setresgid() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
492 0 : if( FD_LIKELY( !uid && -1==syscall( __NR_setresuid, -1, tile->genesi.target_uid, -1 ) ) ) FD_LOG_ERR(( "setresuid() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
493 :
494 0 : char const * genesis_basename = strrchr( tile->genesi.genesis_path, '/' );
495 0 : genesis_basename = genesis_basename ? genesis_basename+1UL : tile->genesi.genesis_path;
496 :
497 0 : char partialname[ PATH_MAX ];
498 0 : FD_TEST( fd_cstr_printf_check( partialname, PATH_MAX, NULL, "%s.partial", genesis_basename ) );
499 0 : ctx->out_fd = openat( ctx->out_dir_fd, partialname, O_CREAT|O_WRONLY|O_CLOEXEC|O_TRUNC, S_IRUSR|S_IWUSR );
500 0 : if( FD_UNLIKELY( -1==ctx->out_fd ) ) FD_LOG_ERR(( "openat() failed for genesis file `%s.partial` (%i-%s)", tile->genesi.genesis_path, errno, fd_io_strerror( errno ) ));
501 :
502 0 : if( FD_UNLIKELY( -1==syscall( __NR_setresuid, -1, uid, -1 ) ) ) FD_LOG_ERR(( "setresuid() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
503 0 : if( FD_UNLIKELY( -1==syscall( __NR_setresgid, -1, gid, -1 ) ) ) FD_LOG_ERR(( "setresgid() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
504 :
505 0 : ctx->local_genesis = 0;
506 0 : ctx->client = fd_genesis_client_join( fd_genesis_client_new( _client ) );
507 0 : FD_TEST( ctx->client );
508 :
509 0 : fd_dns_resolve_peers( tile->genesi.entrypoints[ 0 ], sizeof(tile->genesi.entrypoints[ 0 ]), tile->genesi.entrypoints_cnt, "gossip.entrypoints", ctx->entrypoints );
510 0 : ctx->entrypoints_cnt = tile->genesi.entrypoints_cnt;
511 :
512 0 : fd_genesis_client_init( ctx->client, ctx->entrypoints, ctx->entrypoints_cnt, FD_WAKER_INNER_FD( tile->waker_client_idx ) );
513 0 : }
514 0 : }
515 0 : } else {
516 0 : FD_LOG_ERR(( "could not open genesis.bin file at `%s` (%i-%s)", tile->genesi.genesis_path, errno, fd_io_strerror( errno ) ));
517 0 : }
518 0 : }
519 0 : }
520 :
521 : static void
522 : unprivileged_init( fd_topo_t const * topo,
523 0 : fd_topo_tile_t const * tile ) {
524 0 : void * scratch = fd_topo_obj_laddr( topo, tile->tile_obj_id );
525 :
526 0 : FD_SCRATCH_ALLOC_INIT( l, scratch );
527 0 : fd_genesi_tile_t * ctx = FD_SCRATCH_ALLOC_APPEND( l, alignof( fd_genesi_tile_t ), sizeof( fd_genesi_tile_t ) );
528 0 : FD_SCRATCH_ALLOC_APPEND( l, fd_genesis_client_align(), fd_genesis_client_footprint() );
529 0 : void * _alloc = FD_SCRATCH_ALLOC_APPEND( l, fd_alloc_align(), fd_alloc_footprint() );
530 0 : void * _accdb = !tile->genesi.entrypoints_cnt ?
531 0 : FD_SCRATCH_ALLOC_APPEND( l, fd_accdb_align(), fd_accdb_footprint( tile->genesi.max_live_slots, 0 ) ) :
532 0 : NULL;
533 0 : void * _genesis = FD_SCRATCH_ALLOC_APPEND( l, fd_genesis_align(), fd_genesis_footprint( fd_genesis_account_max( tile->genesi.max_message_size ) ) );
534 0 : void * _genesis_blob = FD_SCRATCH_ALLOC_APPEND( l, alignof(uchar), tile->genesi.max_message_size + 4UL*FD_TAR_BLOCK_SZ );
535 :
536 0 : fd_lthash_zero( ctx->lthash );
537 :
538 0 : ctx->waker_client_idx = tile->waker_client_idx;
539 0 : FD_TEST( ctx->waker_client_idx!=ULONG_MAX );
540 0 : ctx->waker_fseq = fd_fseq_join( fd_topo_obj_laddr( topo, tile->waker_fseq_obj_id ) );
541 0 : FD_TEST( ctx->waker_fseq );
542 0 : fd_clock_tile_init( ctx->clock );
543 :
544 0 : ctx->genesis = fd_genesis_new( _genesis, fd_genesis_account_max( tile->genesi.max_message_size ) );
545 0 : FD_TEST( ctx->genesis );
546 0 : ctx->genesis_blob = _genesis_blob;
547 0 : ctx->max_message_size = tile->genesi.max_message_size;
548 0 : ctx->shutdown = 0;
549 0 : ctx->bootstrap = !tile->genesi.entrypoints_cnt;
550 0 : ctx->expected_shred_version = tile->genesi.expected_shred_version;
551 0 : ctx->has_expected_genesis_hash = tile->genesi.has_expected_genesis_hash;
552 0 : ctx->validate_genesis_hash = tile->genesi.validate_genesis_hash;
553 0 : fd_memcpy( ctx->expected_genesis_hash, tile->genesi.expected_genesis_hash, 32UL );
554 :
555 0 : ctx->accdb = NULL;
556 0 : if( FD_UNLIKELY( ctx->bootstrap ) ) {
557 0 : void * _accdb_shmem = fd_topo_obj_laddr( topo, tile->genesi.accdb_obj_id );
558 0 : fd_accdb_shmem_t * accdb_shmem = fd_accdb_shmem_join( _accdb_shmem );
559 0 : FD_TEST( accdb_shmem );
560 0 : fd_sleep_t * accdb_sleep = topo->sleep_obj_id!=ULONG_MAX ? fd_sleep_join( fd_topo_obj_laddr( topo, topo->sleep_obj_id ) ) : NULL;
561 0 : ctx->accdb = fd_accdb_join( fd_accdb_new( _accdb, accdb_shmem, FD_ACCDB_FD_RW, 0UL, NULL, accdb_sleep, fd_topo_find_tile( topo, "accdb", 0UL ), 0 ) );
562 0 : FD_TEST( ctx->accdb );
563 0 : }
564 :
565 0 : if( FD_LIKELY( -1!=ctx->in_fd ) ) {
566 0 : process_local_genesis( ctx, tile->genesi.genesis_path );
567 0 : if( FD_UNLIKELY( ctx->bootstrap ) ) {
568 0 : initialize_accdb( ctx->accdb, ctx->genesis, ctx->genesis_blob, ctx->lthash );
569 0 : fd_accdb_flush_metrics( ctx->accdb );
570 0 : }
571 0 : }
572 :
573 0 : FD_TEST( fd_cstr_printf_check( ctx->genesis_path, PATH_MAX, NULL, "%s", tile->genesi.genesis_path ) );
574 :
575 0 : FD_TEST( tile->out_cnt==1UL );
576 0 : fd_topo_link_t const * out_link = &topo->links[ tile->out_link_id[ 0 ] ];
577 0 : FD_TEST( out_link->depth==1UL ); /* buffer holds a single message (dcache not a ring buffer) */
578 0 : FD_TEST( out_link->mtu>=fd_genesi_tile_mtu( tile->genesi.max_message_size ) );
579 0 : ctx->out.mem = fd_wksp_containing( out_link->dcache );
580 0 : ctx->out.chunk0 = fd_dcache_compact_chunk0( ctx->out.mem, out_link->dcache );
581 :
582 0 : ctx->bz2_alloc = fd_alloc_join( fd_alloc_new( _alloc, 1UL ), 1UL );
583 0 : FD_TEST( ctx->bz2_alloc );
584 :
585 0 : ulong scratch_top = FD_SCRATCH_ALLOC_FINI( l, scratch_align() );
586 0 : if( FD_UNLIKELY( scratch_top > (ulong)scratch + scratch_footprint( tile ) ) )
587 0 : FD_LOG_ERR(( "scratch overflow %lu %lu %lu", scratch_top - (ulong)scratch - scratch_footprint( tile ), scratch_top, (ulong)scratch + scratch_footprint( tile ) ));
588 0 : }
589 :
590 : static ulong
591 : rlimit_file_cnt( fd_topo_t const * topo FD_PARAM_UNUSED,
592 0 : fd_topo_tile_t const * tile ) {
593 0 : return 1UL + /* stderr */
594 0 : 1UL + /* logfile */
595 0 : 1UL + /* genesis file */
596 0 : 1UL + /* genesis dir */
597 0 : tile->genesi.entrypoints_cnt; /* for the client */
598 0 : }
599 :
600 : static ulong
601 : populate_allowed_seccomp( fd_topo_t const * topo,
602 : fd_topo_tile_t const * tile,
603 : ulong out_cnt,
604 0 : struct sock_filter * out ) {
605 :
606 0 : void * scratch = fd_topo_obj_laddr( topo, tile->tile_obj_id );
607 :
608 0 : FD_SCRATCH_ALLOC_INIT( l, scratch );
609 0 : fd_genesi_tile_t * ctx = FD_SCRATCH_ALLOC_APPEND( l, alignof( fd_genesi_tile_t ), sizeof( fd_genesi_tile_t ) );
610 :
611 0 : uint in_fd, out_fd, out_dir_fd;
612 0 : if( FD_LIKELY( -1!=ctx->in_fd ) ) {
613 0 : in_fd = (uint)ctx->in_fd;
614 0 : out_fd = (uint)-1;
615 0 : out_dir_fd = (uint)-1;
616 0 : } else {
617 0 : in_fd = (uint)-1;
618 0 : out_fd = (uint)ctx->out_fd;
619 0 : out_dir_fd = (uint)ctx->out_dir_fd;
620 0 : }
621 :
622 0 : uint accounts_fd = !tile->genesi.entrypoints_cnt ? (uint)FD_ACCDB_FD_RW : (uint)-1;
623 0 : uint epoll_inner_fd = (uint)FD_WAKER_INNER_FD( tile->waker_client_idx );
624 0 : uint epoll_outer_fd = (uint)FD_WAKER_OUTER_FD;
625 0 : populate_sock_filter_policy_fd_genesi_tile( out_cnt, out, (uint)fd_log_private_logfile_fd(), in_fd, out_fd, out_dir_fd, accounts_fd, epoll_inner_fd, epoll_outer_fd );
626 0 : return sock_filter_policy_fd_genesi_tile_instr_cnt;
627 0 : }
628 :
629 : static ulong
630 : populate_allowed_fds( fd_topo_t const * topo,
631 : fd_topo_tile_t const * tile,
632 : ulong out_fds_cnt,
633 0 : int * out_fds ) {
634 0 : void * scratch = fd_topo_obj_laddr( topo, tile->tile_obj_id );
635 :
636 0 : FD_SCRATCH_ALLOC_INIT( l, scratch );
637 0 : fd_genesi_tile_t * ctx = FD_SCRATCH_ALLOC_APPEND( l, alignof( fd_genesi_tile_t ), sizeof( fd_genesi_tile_t ) );
638 :
639 0 : if( FD_UNLIKELY( out_fds_cnt<tile->genesi.entrypoints_cnt+8UL ) ) FD_LOG_ERR(( "out_fds_cnt %lu", out_fds_cnt ));
640 :
641 0 : ulong out_cnt = 0UL;
642 0 : out_fds[ out_cnt++ ] = 2; /* stderr */
643 0 : if( FD_LIKELY( -1!=fd_log_private_logfile_fd() ) )
644 0 : out_fds[ out_cnt++ ] = fd_log_private_logfile_fd(); /* logfile */
645 0 : out_fds[ out_cnt++ ] = FD_WAKER_OUTER_FD; /* waker outer epoll fd (rearm) */
646 0 : out_fds[ out_cnt++ ] = FD_WAKER_INNER_FD( tile->waker_client_idx ); /* waker inner epoll fd */
647 0 : if( FD_UNLIKELY( !tile->genesi.entrypoints_cnt ) )
648 0 : out_fds[ out_cnt++ ] = FD_ACCDB_FD_RW; /* accounts db */
649 :
650 0 : if( FD_UNLIKELY( -1==ctx->in_fd ) ) {
651 0 : FD_TEST( -1!=ctx->out_dir_fd );
652 0 : FD_TEST( -1!=ctx->out_fd );
653 0 : out_fds[ out_cnt++ ] = ctx->out_dir_fd;
654 0 : out_fds[ out_cnt++ ] = ctx->out_fd;
655 :
656 0 : for( ulong i=0UL; i<tile->genesi.entrypoints_cnt; i++ ) {
657 0 : int fd = fd_genesis_client_get_pollfds( ctx->client )[ i ].fd;
658 0 : if( FD_LIKELY( -1!=fd ) ) out_fds[ out_cnt++ ] = fd;
659 0 : }
660 0 : } else {
661 0 : FD_TEST( -1!=ctx->in_fd );
662 0 : out_fds[ out_cnt++ ] = ctx->in_fd;
663 0 : }
664 :
665 0 : return out_cnt;
666 0 : }
667 :
668 0 : #define STEM_LAZY ((long)1e5) /* 0.1ms */
669 0 : #define STEM_BURST (1UL)
670 :
671 0 : #define STEM_CALLBACK_CONTEXT_TYPE fd_genesi_tile_t
672 0 : #define STEM_CALLBACK_CONTEXT_ALIGN alignof(fd_genesi_tile_t)
673 :
674 0 : #define STEM_CALLBACK_DURING_HOUSEKEEPING during_housekeeping
675 0 : #define STEM_CALLBACK_NEXT_DEADLINE next_deadline
676 0 : #define STEM_CALLBACK_AFTER_CREDIT after_credit
677 0 : #define STEM_CALLBACK_SHOULD_SHUTDOWN should_shutdown
678 :
679 : #include "../../disco/stem/fd_stem.c"
680 :
681 : static ulong
682 0 : max_event_sz( fd_topo_tile_t const * tile FD_PARAM_UNUSED ) {
683 0 : return sizeof(fd_event_accdb_partition_added_t);
684 0 : }
685 :
686 : fd_topo_run_tile_t fd_tile_genesi = {
687 : .name = "genesi",
688 : .rlimit_file_cnt_fn = rlimit_file_cnt,
689 : .allow_connect = 1,
690 : .allow_renameat = 1,
691 : .populate_allowed_seccomp = populate_allowed_seccomp,
692 : .populate_allowed_fds = populate_allowed_fds,
693 : .loose_footprint = loose_footprint,
694 : .scratch_align = scratch_align,
695 : .scratch_footprint = scratch_footprint,
696 : .privileged_init = privileged_init,
697 : .unprivileged_init = unprivileged_init,
698 : .max_event_sz = max_event_sz,
699 : .run = stem_run,
700 : };
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