LCOV - code coverage report
Current view: top level - flamenco/capture - fd_solcap_diff.c (source / functions) Hit Total Coverage
Test: cov.lcov Lines: 0 728 0.0 %
Date: 2024-11-13 11:58:15 Functions: 0 22 0.0 %

          Line data    Source code
       1             : #include "../fd_flamenco.h"
       2             : #include "fd_solcap_proto.h"
       3             : #include "fd_solcap_reader.h"
       4             : #include "fd_solcap.pb.h"
       5             : #include "../../ballet/base58/fd_base58.h"
       6             : #include "../runtime/fd_runtime.h"
       7             : #include "../types/fd_types.h"
       8             : #include "../types/fd_types_yaml.h"
       9             : #include "../nanopb/pb_decode.h"
      10             : 
      11             : #include <errno.h>
      12             : #include <stdio.h>
      13             : #include <sys/stat.h> /* mkdir(2) */
      14             : #include <fcntl.h>    /* open(2) */
      15             : #include <unistd.h>   /* close(2) */
      16             : 
      17             : /* TODO: Ugly -- These should not be hard coded! */
      18           0 : #define SOLCAP_FILE_NAME_LEN (13UL)
      19           0 : #define SOLCAP_SUFFIX_LEN    (7UL) /* .solcap */
      20             : 
      21             : static const uchar
      22             : _vote_program_address[ 32 ] =
      23             :   "\x07\x61\x48\x1d\x35\x74\x74\xbb\x7c\x4d\x76\x24\xeb\xd3\xbd\xb3"
      24             :   "\xd8\x35\x5e\x73\xd1\x10\x43\xfc\x0d\xa3\x53\x80\x00\x00\x00\x00";
      25             : 
      26             : static const uchar
      27             : _stake_program_address[ 32 ] =
      28             :   "\x06\xa1\xd8\x17\x91\x37\x54\x2a\x98\x34\x37\xbd\xfe\x2a\x7a\xb2"
      29             :   "\x55\x7f\x53\x5c\x8a\x78\x72\x2b\x68\xa4\x9d\xc0\x00\x00\x00\x00";
      30             : 
      31             : static void
      32           0 : normalize_filename( const char * original_str, char * file_name, char prefix ) {
      33             :   /* We either need to truncate if too long or pad if too short (16 chars) */
      34             : 
      35           0 :   file_name[0] = prefix;
      36           0 :   ulong original_str_len = strlen( original_str ) - SOLCAP_SUFFIX_LEN + 1;
      37           0 :   if ( original_str_len <= SOLCAP_FILE_NAME_LEN ) {
      38           0 :     fd_memcpy( file_name + 1, original_str, original_str_len );
      39           0 :     for ( ulong i = original_str_len; i < SOLCAP_FILE_NAME_LEN; i++ ) {
      40           0 :       file_name[ i ] = ' ';
      41           0 :     }
      42           0 :   }
      43           0 :   else {
      44           0 :     ulong start_idx = original_str_len - SOLCAP_FILE_NAME_LEN;
      45           0 :     fd_memcpy( file_name + 1, original_str + start_idx, SOLCAP_FILE_NAME_LEN );
      46             : 
      47           0 :   }
      48           0 :   file_name[ SOLCAP_FILE_NAME_LEN ] = '\0';
      49           0 : }
      50             : 
      51             : /* Define routines for sorting the bank hash account delta accounts.
      52             :    The solcap format does not mandate accounts to be sorted. */
      53             : 
      54             : static inline int
      55             : fd_solcap_account_tbl_lt( fd_solcap_account_tbl_t const * a,
      56           0 :                           fd_solcap_account_tbl_t const * b ) {
      57           0 :   return memcmp( a->key, b->key, 32UL ) < 0;
      58           0 : }
      59             : #define SORT_NAME        sort_account_tbl
      60           0 : #define SORT_KEY_T       fd_solcap_account_tbl_t
      61           0 : #define SORT_BEFORE(a,b) fd_solcap_account_tbl_lt( &(a), &(b) )
      62             : #include "../../util/tmpl/fd_sort.c"
      63             : 
      64             : /* TODO this differ is currently a separate file, but it would make
      65             :         sense to move/copy it to fd_ledger.  Doing so would enable
      66             :         a fast feedback cycle wherein a developer supplies the expected
      67             :         (Labs) capture to fd_ledger, then automatically runs the
      68             :         differ after each execution. */
      69             : 
      70             : struct fd_solcap_differ {
      71             :   fd_solcap_chunk_iter_t iter    [2];
      72             :   fd_solcap_BankPreimage preimage[2];
      73             : 
      74             :   int          verbose;
      75             :   int          dump_dir_fd;
      76             :   char const * dump_dir;
      77             :   char const * file_paths[2];
      78             : };
      79             : 
      80             : typedef struct fd_solcap_differ fd_solcap_differ_t;
      81             : 
      82             : struct fd_solcap_txn_differ {
      83             :   FILE * file[2];
      84             :   fd_solcap_chunk_iter_t iter[2];
      85             :   long chunk_gaddr[2];
      86             :   fd_solcap_Transaction transaction[2];
      87             :   uchar meta_buf[128][2];
      88             : };
      89             : 
      90             : typedef struct fd_solcap_txn_differ fd_solcap_txn_differ_t;
      91             : 
      92             : static fd_solcap_differ_t *
      93             : fd_solcap_differ_new( fd_solcap_differ_t * diff,
      94             :                       FILE *               streams[2],
      95           0 :                       const char *         cap_path[2] ) {
      96             : 
      97             :   /* Attach to capture files */
      98             : 
      99           0 :   for( ulong i=0UL; i<2UL; i++ ) {
     100           0 :     FILE * stream = streams[i];
     101             : 
     102             :     /* Set file names */
     103           0 :     diff->file_paths[i] = cap_path[i];
     104             : 
     105             :     /* Read file header */
     106           0 :     fd_solcap_fhdr_t hdr[1];
     107           0 :     if( FD_UNLIKELY( 1UL!=fread( hdr, sizeof(fd_solcap_fhdr_t), 1UL, stream ) ) ) {
     108           0 :       FD_LOG_WARNING(( "Failed to read file=%s header (%d-%s)",
     109           0 :                        diff->file_paths[i], errno, strerror( errno ) ));
     110           0 :       return NULL;
     111           0 :     }
     112             : 
     113             :     /* Seek to first chunk */
     114           0 :     long skip = ( (long)hdr->chunk0_foff - (long)sizeof(fd_solcap_fhdr_t) );
     115           0 :     if( FD_UNLIKELY( 0!=fseek( stream, skip, SEEK_CUR ) ) ) {
     116           0 :       FD_LOG_WARNING(( "Failed to seek to first chunk (%d-%s)", errno, strerror( errno ) ));
     117           0 :       return NULL;
     118           0 :     }
     119             : 
     120           0 :     if( FD_UNLIKELY( !fd_solcap_chunk_iter_new( &diff->iter[i], stream ) ) )
     121           0 :       FD_LOG_CRIT(( "fd_solcap_chunk_iter_new() failed" ));
     122           0 :   }
     123             : 
     124           0 :   return diff;
     125           0 : }
     126             : 
     127             : /* fd_solcap_differ_advance seeks an iterator to the next bank hash.
     128             :    idx identifies the iterator.  Returns 1 on success, 0 if end-of-file
     129             :    reached, and negated errno-like on failure. */
     130             : 
     131             : static int
     132             : fd_solcap_differ_advance( fd_solcap_differ_t * diff,
     133           0 :                           ulong                idx ) { /* [0,2) */
     134             : 
     135           0 :   fd_solcap_chunk_iter_t * iter     = &diff->iter    [ idx ];
     136           0 :   fd_solcap_BankPreimage * preimage = &diff->preimage[ idx ];
     137             : 
     138           0 :   long off = fd_solcap_chunk_iter_find( iter, FD_SOLCAP_V1_BANK_MAGIC );
     139           0 :   if( FD_UNLIKELY( off<0L ) )
     140           0 :     return fd_solcap_chunk_iter_err( iter );
     141             : 
     142           0 :   int err = fd_solcap_read_bank_preimage( iter->stream, iter->chunk_off, preimage, &iter->chunk );
     143           0 :   if( FD_UNLIKELY( err!=0 ) ) return -err;
     144           0 :   return 1;
     145           0 : }
     146             : 
     147             : /* fd_solcap_differ_sync synchronizes the given two iterators such that
     148             :    both point to the lowest common slot number.  Returns 1 on success
     149             :    and 0 if no common slot was found.  Negative values are negated
     150             :    errno-like. */
     151             : 
     152             : static int
     153           0 : fd_solcap_differ_sync( fd_solcap_differ_t * diff, ulong start_slot, ulong end_slot ) {
     154             : 
     155             :   /* Seek to first bank preimage object */
     156             : 
     157           0 :   for( ulong i=0UL; i<2UL; i++ ) {
     158           0 :     int res = fd_solcap_differ_advance( diff, i );
     159           0 :     if( FD_UNLIKELY( res!=1 ) ) return res;
     160           0 :   }
     161             : 
     162           0 :   ulong prev_slot0 = diff->preimage[ 0 ].slot;
     163           0 :   ulong prev_slot1 = diff->preimage[ 1 ].slot;
     164             : 
     165           0 :   for(;;) {
     166           0 :     ulong slot0 = diff->preimage[ 0 ].slot;
     167           0 :     ulong slot1 = diff->preimage[ 1 ].slot;
     168             : 
     169             :     /* Handle cases where slot is skipped in one or the other */
     170           0 :     if ( FD_UNLIKELY( prev_slot0 < slot1 && slot0 > slot1 ) ) {
     171           0 :       FD_LOG_WARNING(("Slot range (%lu,%lu) skipped in file=%s\n",
     172           0 :                       prev_slot0, slot0, diff->file_paths[0]));
     173           0 :     }
     174           0 :     else if ( FD_UNLIKELY( prev_slot1 < slot0 && slot1 > slot0 ) ) {
     175           0 :       FD_LOG_WARNING(("Slot range (%lu,%lu) skipped in file=%s\n",
     176           0 :                       prev_slot1, slot1, diff->file_paths[1]));
     177           0 :     }
     178             : 
     179           0 :     if( slot0 == slot1 ) {
     180           0 :       if ( slot0 < start_slot ) {
     181           0 :         int res;
     182           0 :         res = fd_solcap_differ_advance( diff, 0 );
     183           0 :         if( FD_UNLIKELY( res <= 0 ) ) return res;
     184           0 :         res = fd_solcap_differ_advance( diff, 1 );
     185           0 :         if( FD_UNLIKELY( res <= 0 ) ) return res;
     186           0 :       }
     187           0 :       else if ( slot0 > end_slot ) {
     188           0 :         return 0;
     189           0 :       }
     190           0 :       else {
     191           0 :         return 1;
     192           0 :       }
     193           0 :     }
     194           0 :     else {
     195           0 :       ulong idx = slot0>slot1;
     196           0 :       int res = fd_solcap_differ_advance( diff, idx );
     197           0 :       if( FD_UNLIKELY( res<=0 ) ) return res;
     198           0 :     }
     199           0 :     prev_slot0 = slot0;
     200           0 :     prev_slot1 = slot1;
     201           0 :   }
     202             : 
     203           0 :   return 0;
     204           0 : }
     205             : 
     206             : static int
     207             : fd_solcap_can_pretty_print( uchar const owner [ static 32 ],
     208           0 :                             uchar const pubkey[ static 32 ] ) {
     209             : 
     210             :   /* TODO clean up */
     211           0 :   uchar _sysvar_clock[ 32 ];
     212           0 :   fd_base58_decode_32( "SysvarC1ock11111111111111111111111111111111", _sysvar_clock );
     213           0 :   uchar _sysvar_rent[ 32 ];
     214           0 :   fd_base58_decode_32( "SysvarRent111111111111111111111111111111111", _sysvar_rent );
     215           0 :   uchar _sysvar_epoch_rewards[ 32 ];
     216           0 :   fd_base58_decode_32( "SysvarEpochRewards1111111111111111111111111", _sysvar_epoch_rewards );
     217           0 :   uchar _sysvar_stake_history[ 32 ];
     218           0 :   fd_base58_decode_32( "SysvarStakeHistory1111111111111111111111111", _sysvar_stake_history );
     219             : 
     220           0 :   if( 0==memcmp( owner, _vote_program_address, 32UL ) )
     221           0 :     return 1;
     222           0 :   if( 0==memcmp( owner, _stake_program_address, 32UL ) )
     223           0 :     return 1;
     224             : 
     225           0 :   if( 0==memcmp( pubkey, _sysvar_clock, 32UL ) )
     226           0 :     return 1;
     227           0 :   if( 0==memcmp( pubkey, _sysvar_rent, 32UL ) )
     228           0 :     return 1;
     229           0 :   if( 0==memcmp( pubkey, _sysvar_epoch_rewards, 32UL ) )
     230           0 :     return 1;
     231           0 :   if( 0==memcmp( pubkey, _sysvar_stake_history, 32UL ) )
     232           0 :     return 1;
     233           0 :   return 0;
     234           0 : }
     235             : 
     236             : static int
     237             : fd_solcap_account_pretty_print( uchar const   pubkey[ static 32 ],
     238             :                                 uchar const   owner[ static 32 ],
     239             :                                 uchar const * data,
     240             :                                 ulong         data_sz,
     241           0 :   FILE *        file ) {
     242             : 
     243           0 :   FD_SCRATCH_SCOPE_BEGIN {
     244             : 
     245           0 :     fd_bincode_decode_ctx_t decode = {
     246           0 :       .data    = data,
     247           0 :       .dataend = data + data_sz,
     248           0 :       .valloc  = fd_scratch_virtual()
     249           0 :     };
     250             : 
     251           0 :     fd_flamenco_yaml_t * yaml =
     252           0 :       fd_flamenco_yaml_init( fd_flamenco_yaml_new(
     253           0 :           fd_scratch_alloc( fd_flamenco_yaml_align(), fd_flamenco_yaml_footprint() ) ),
     254           0 :         file );
     255           0 :     FD_TEST( yaml );
     256             : 
     257             :     /* TODO clean up */
     258           0 :     uchar _sysvar_clock[ 32 ];
     259           0 :     fd_base58_decode_32( "SysvarC1ock11111111111111111111111111111111", _sysvar_clock );
     260           0 :     uchar _sysvar_rent[ 32 ];
     261           0 :     fd_base58_decode_32( "SysvarRent111111111111111111111111111111111", _sysvar_rent );
     262           0 :     uchar _sysvar_epoch_rewards[ 32 ];
     263           0 :     fd_base58_decode_32( "SysvarEpochRewards1111111111111111111111111", _sysvar_epoch_rewards );
     264           0 :     uchar _sysvar_stake_history[ 32 ];
     265           0 :     fd_base58_decode_32( "SysvarStakeHistory1111111111111111111111111", _sysvar_stake_history );
     266             : 
     267           0 :     if( 0==memcmp( owner, _vote_program_address, 32UL ) ) {
     268           0 :       fd_vote_state_versioned_t vote_state[1];
     269           0 :       int err = fd_vote_state_versioned_decode( vote_state, &decode );
     270           0 :       if( FD_UNLIKELY( err!=0 ) ) return err;
     271             : 
     272           0 :       fd_vote_state_versioned_walk( yaml, vote_state, fd_flamenco_yaml_walk, NULL, 0U );
     273           0 :     } else if( 0==memcmp( owner, _stake_program_address, 32UL ) ) {
     274           0 :       fd_stake_state_v2_t stake_state[1];
     275           0 :       int err = fd_stake_state_v2_decode( stake_state, &decode );
     276           0 :       if( FD_UNLIKELY( err!=0 ) ) return err;
     277             : 
     278           0 :       fd_stake_state_v2_walk( yaml, stake_state, fd_flamenco_yaml_walk, NULL, 0U );
     279           0 :     } else if( 0==memcmp( pubkey, _sysvar_clock, 32UL ) ) {
     280           0 :       fd_sol_sysvar_clock_t clock[1];
     281           0 :       int err = fd_sol_sysvar_clock_decode( clock, &decode );
     282           0 :       if( FD_UNLIKELY( err!=0 ) ) return err;
     283             : 
     284           0 :       fd_sol_sysvar_clock_walk( yaml, clock, fd_flamenco_yaml_walk, NULL, 0U );
     285           0 :     } else if( 0==memcmp( pubkey, _sysvar_rent, 32UL ) ) {
     286           0 :       fd_rent_t rent[1];
     287           0 :       int err = fd_rent_decode( rent, &decode );
     288           0 :       if( FD_UNLIKELY( err!=0 ) ) return err;
     289             : 
     290           0 :       fd_rent_walk( yaml, rent, fd_flamenco_yaml_walk, NULL, 0U );
     291           0 :     } else if( 0==memcmp( pubkey, _sysvar_epoch_rewards, 32UL ) ) {
     292           0 :       fd_sysvar_epoch_rewards_t epoch_rewards[1];
     293           0 :       int err = fd_sysvar_epoch_rewards_decode( epoch_rewards, &decode );
     294           0 :       if( FD_UNLIKELY( err!=0 ) ) return err;
     295             : 
     296           0 :       fd_sysvar_epoch_rewards_walk( yaml, epoch_rewards, fd_flamenco_yaml_walk, NULL, 0U );
     297           0 :     } else if( 0==memcmp( pubkey, _sysvar_stake_history, 32UL ) ) {
     298           0 :       fd_stake_history_t stake_history[1];
     299           0 :       int err = fd_stake_history_decode( stake_history, &decode );
     300           0 :       if( FD_UNLIKELY( err!=0 ) ) return err;
     301             : 
     302           0 :       fd_stake_history_walk( yaml, stake_history, fd_flamenco_yaml_walk, NULL, 0U );
     303           0 :     }
     304             : 
     305           0 :     int err = ferror( file );
     306           0 :     if( FD_UNLIKELY( err!=0 ) ) return err;
     307             : 
     308             :     /* No need to destroy structures, using fd_scratch allocator */
     309             : 
     310           0 :     fd_flamenco_yaml_delete( yaml );
     311           0 :     return 0;
     312           0 :   } FD_SCRATCH_SCOPE_END;
     313           0 : }
     314             : 
     315             : /* fd_solcap_dump_account_data writes a binary file containing exactly
     316             :    the given account's content. */
     317             : 
     318             : static void
     319             : fd_solcap_dump_account_data( fd_solcap_differ_t *            diff,
     320             :                              fd_solcap_AccountMeta const *   meta,
     321             :                              fd_solcap_account_tbl_t const * entry,
     322           0 :                              void const *                    acc_data ) {
     323             :   /* Create dump file */
     324           0 :   char path[ FD_BASE58_ENCODED_32_LEN+1+FD_BASE58_ENCODED_32_LEN+4+1 ];
     325           0 :   int res = snprintf( path, sizeof(path), "%s-%s.bin", FD_BASE58_ENC_32_ALLOCA( entry->key ), FD_BASE58_ENC_32_ALLOCA( entry->hash ) );
     326           0 :   FD_TEST( (res>0) & (res<(int)sizeof(path)) );
     327           0 :   int fd = openat( diff->dump_dir_fd, path, O_CREAT|O_WRONLY|O_TRUNC, 0666 );
     328           0 :   if( FD_UNLIKELY( fd<0 ) )
     329           0 :     FD_LOG_ERR(( "openat(%d,%s) failed (%d-%s)",
     330           0 :                 diff->dump_dir_fd, path, errno, strerror( errno ) ));
     331             : 
     332             :   /* Write dump file */
     333           0 :   FILE * file = fdopen( fd, "wb" );
     334           0 :   FD_TEST( meta->data_sz == fwrite( acc_data, 1UL, meta->data_sz, file ) );
     335           0 :   fclose( file );  /* Closes fd */
     336           0 : }
     337             : 
     338             : static void
     339             : fd_solcap_diff_account_data( fd_solcap_differ_t *                  diff,
     340             :                              fd_solcap_AccountMeta   const         meta     [ static 2 ],
     341             :                              fd_solcap_account_tbl_t const * const entry    [ static 2 ],
     342           0 :                              ulong const                           data_goff[ static 2 ] ) {\
     343           0 : 
     344             :   /* Streaming diff */
     345           0 :   int data_eq = meta[0].data_sz == meta[1].data_sz;
     346           0 :   if( data_eq ) {
     347           0 :     for( ulong i=0UL; i<2UL; i++ ) {
     348           0 :         if ( data_goff[i] == ULONG_MAX ) {
     349           0 :           continue;
     350           0 :         }
     351           0 :         FD_TEST( 0==fseek( diff->iter[ i ].stream, (long)data_goff[i], SEEK_SET ) );
     352           0 :     }
     353             : 
     354           0 :     for( ulong off=0UL; off<meta[0].data_sz; ) {
     355           0 : #     define BUFSZ (512UL)
     356             : 
     357             :       /* Read chunks */
     358           0 :       uchar buf[2][ BUFSZ ];
     359           0 :       ulong sz = fd_ulong_min( BUFSZ, meta[0].data_sz-off );
     360           0 :       for( ulong i=0UL; i<2UL; i++ )
     361           0 :         FD_TEST( sz==fread( &buf[i], 1UL, sz, diff->iter[i].stream ) );
     362             : 
     363             :       /* Compare chunks */
     364           0 :       data_eq = 0==memcmp( buf[0], buf[1], sz );
     365           0 :       if( !data_eq ) break;
     366             : 
     367           0 :       off += sz;
     368           0 : #     undef BUFSZ
     369           0 :     }
     370           0 :   }
     371           0 :   if( data_eq ) return;
     372             : 
     373             :   /* Dump account data to file */
     374           0 :   if( diff->verbose >= 4 ) {
     375             : 
     376             :     /* TODO: Remove hardcoded account size check */
     377           0 :     FD_TEST( meta[0].data_sz <= 1048576 );
     378           0 :     FD_TEST( meta[1].data_sz <= 1048576 );
     379             : 
     380           0 :     FD_SCRATCH_SCOPE_BEGIN {
     381           0 :       void * acc_data[2];
     382           0 :       acc_data[0] = fd_scratch_alloc( 1UL, meta[0].data_sz );
     383           0 :       acc_data[1] = fd_scratch_alloc( 1UL, meta[1].data_sz );
     384           0 :       fd_memset( acc_data[0], 0, meta[0].data_sz );
     385           0 :       fd_memset( acc_data[1], 0, meta[1].data_sz );
     386             : 
     387           0 :       for( ulong i=0UL; i<2UL; i++ ) {
     388           0 :         if ( data_goff[i] == ULONG_MAX ) {
     389           0 :           continue;
     390           0 :         }
     391             : 
     392             :         /* Rewind capture stream */
     393           0 :         FD_TEST( 0==fseek( diff->iter[ i ].stream, (long)data_goff[i], SEEK_SET ) );
     394             : 
     395             :         /* Copy data */
     396           0 :         FD_TEST( meta[i].data_sz == fread( acc_data[i], 1UL, meta[i].data_sz, diff->iter[i].stream ) );
     397           0 :       }
     398             : 
     399           0 :       for( ulong i=0; i<2; i++ ) {
     400           0 :         fd_solcap_dump_account_data( diff, meta+i, entry[i], acc_data[i] );
     401           0 :       }
     402             : 
     403             :       /* Inform user */
     404           0 :       printf( "        (%s) data:       %s/%s-%s.bin\n"
     405           0 :               "        (%s) data:       %s/%s-%s.bin\n"
     406           0 :               "                        vimdiff <(xxd '%s/%s-%s.bin') <(xxd '%s/%s-%s.bin')\n",
     407           0 :               diff->file_paths[0], diff->dump_dir, FD_BASE58_ENC_32_ALLOCA( entry[0]->key ), FD_BASE58_ENC_32_ALLOCA( entry[0]->hash ),
     408           0 :               diff->file_paths[1], diff->dump_dir, FD_BASE58_ENC_32_ALLOCA( entry[1]->key ), FD_BASE58_ENC_32_ALLOCA( entry[1]->hash ),
     409           0 :               diff->dump_dir, FD_BASE58_ENC_32_ALLOCA( entry[0]->key ), FD_BASE58_ENC_32_ALLOCA( entry[0]->hash ),
     410           0 :               diff->dump_dir, FD_BASE58_ENC_32_ALLOCA( entry[1]->key ), FD_BASE58_ENC_32_ALLOCA( entry[1]->hash ) );
     411             : 
     412           0 :       if( fd_solcap_can_pretty_print( meta[0].owner, entry[0]->key )
     413           0 :         & fd_solcap_can_pretty_print( meta[1].owner, entry[1]->key ) ) {
     414             : 
     415           0 :         for( ulong i=0UL; i<2UL; i++ ) {
     416             :           /* Create YAML file */
     417           0 :           char path[ FD_BASE58_ENCODED_32_LEN+1+FD_BASE58_ENCODED_32_LEN+4+1 ];
     418           0 :           int res = snprintf( path, sizeof(path), "%s-%s.yml", FD_BASE58_ENC_32_ALLOCA( entry[i]->key ), FD_BASE58_ENC_32_ALLOCA( entry[i]->hash) );
     419           0 :           FD_TEST( (res>0) & (res<(int)sizeof(path)) );
     420           0 :           int fd = openat( diff->dump_dir_fd, path, O_CREAT|O_WRONLY|O_TRUNC, 0666 );
     421           0 :           if( FD_UNLIKELY( fd<0 ) )
     422           0 :             FD_LOG_ERR(( "openat(%d,%s) failed (%d-%s)",
     423           0 :                 diff->dump_dir_fd, path, errno, strerror( errno ) ));
     424             : 
     425             :           /* Write YAML file */
     426           0 :           FILE * file = fdopen( fd, "wb" );
     427           0 :           fd_solcap_account_pretty_print( entry[i]->key, meta[i].owner, acc_data[i], meta[i].data_sz, file );
     428           0 :           fclose( file );  /* closes fd */
     429           0 :         }
     430             : 
     431             : 
     432             :         /* Inform user */
     433           0 :         printf( "                 vimdiff '%s/%s-%s.yml' '%s/%s-%s.yml'\n",
     434           0 :           diff->dump_dir, FD_BASE58_ENC_32_ALLOCA( entry[0]->key ), FD_BASE58_ENC_32_ALLOCA( entry[0]->hash ),
     435           0 :           diff->dump_dir, FD_BASE58_ENC_32_ALLOCA( entry[1]->key ), FD_BASE58_ENC_32_ALLOCA( entry[1]->hash ) );
     436             : 
     437           0 :       }
     438           0 :     } FD_SCRATCH_SCOPE_END;
     439           0 :   }
     440           0 : }
     441             : 
     442             : /* fd_solcap_diff_account prints further details about a mismatch
     443             :    between two accounts.  Preserves stream cursors. */
     444             : 
     445             : static void
     446             : fd_solcap_diff_account( fd_solcap_differ_t *                  diff,
     447             :                         fd_solcap_account_tbl_t const * const entry       [ static 2 ],
     448           0 :                         ulong const                           acc_tbl_goff[ static 2 ] ) {
     449             : 
     450             :   /* Remember current file offsets  (should probably just use readat) */
     451           0 :   long orig_off[ 2 ];
     452           0 :   for( ulong i=0UL; i<2UL; i++ ) {
     453           0 :     orig_off[ i ] = ftell( diff->iter[ i ].stream );
     454           0 :     if( FD_UNLIKELY( orig_off[ i ]<0L ) )
     455           0 :       FD_LOG_ERR(( "ftell failed (%d-%s)", errno, strerror( errno ) ));
     456           0 :   }
     457             : 
     458             :   /* Read account meta */
     459           0 :   fd_solcap_AccountMeta meta[2];
     460           0 :   ulong                 data_goff[2] = {ULONG_MAX, ULONG_MAX};
     461           0 :   for( ulong i=0UL; i<2UL; i++ ) {
     462           0 :     FILE * stream = diff->iter[ i ].stream;
     463           0 :     int err = fd_solcap_find_account( stream, meta+i, &data_goff[i], entry[i], acc_tbl_goff[i] );
     464           0 :     FD_TEST( err==0 );
     465           0 :   }
     466           0 :   if( 0!=memcmp( meta[0].owner, meta[1].owner, 32UL ) )
     467           0 :     printf( "%s        owner:       %s\n"
     468           0 :             "%s        owner:       %s\n",
     469           0 :             diff->file_paths[0], FD_BASE58_ENC_32_ALLOCA( meta[0].owner ),
     470           0 :             diff->file_paths[1], FD_BASE58_ENC_32_ALLOCA( meta[1].owner ) );
     471           0 :   else
     472           0 :     printf( "        (both files   )  owner:      %s\n", FD_BASE58_ENC_32_ALLOCA( meta[0].owner ) );
     473             :     /* Even if the owner matches, still print it for convenience */
     474           0 :   if( meta[0].lamports != meta[1].lamports )
     475           0 :     printf( "        (%s)  lamports:   %lu\n"
     476           0 :             "        (%s)  lamports:   %lu\n",
     477           0 :             diff->file_paths[0], meta[0].lamports,
     478           0 :             diff->file_paths[1], meta[1].lamports );
     479           0 :   if( meta[0].data_sz != meta[1].data_sz )
     480           0 :     printf( "        (%s)  data_sz:     %lu\n"
     481           0 :             "        (%s)  data_sz:     %lu\n",
     482           0 :             diff->file_paths[0], meta[0].data_sz,
     483           0 :             diff->file_paths[1], meta[1].data_sz );
     484           0 :   if( meta[0].slot != meta[1].slot )
     485           0 :     printf( "        (%s)  slot:        %lu\n"
     486           0 :             "        (%s)  slot:        %lu\n",
     487           0 :             diff->file_paths[0], meta[0].slot,
     488           0 :             diff->file_paths[1], meta[1].slot );
     489           0 :   if( meta[0].rent_epoch != meta[1].rent_epoch )
     490           0 :     printf( "        (%s)  rent_epoch: %lu\n"
     491           0 :             "        (%s)  rent_epoch: %lu\n",
     492           0 :             diff->file_paths[0], meta[0].rent_epoch,
     493           0 :             diff->file_paths[1], meta[1].rent_epoch );
     494           0 :   if( meta[0].executable != meta[1].executable )
     495           0 :     printf( "        (%s)  executable:  %d\n"
     496           0 :             "        (%s)  executable:  %d\n",
     497           0 :             diff->file_paths[0], meta[0].executable,
     498           0 :             diff->file_paths[1], meta[1].executable );
     499           0 :   if( ( (meta[0].data_sz != 0UL) | fd_solcap_includes_account_data( &meta[0] ) )
     500           0 :     | ( (meta[1].data_sz != 0UL) | fd_solcap_includes_account_data( &meta[1] ) ) )
     501           0 :         fd_solcap_diff_account_data( diff, meta, entry, data_goff );
     502             : 
     503             :   /* Restore file offsets */
     504           0 :   for( ulong i=0UL; i<2UL; i++ ) {
     505           0 :     if( FD_UNLIKELY( 0!=fseek( diff->iter[ i ].stream, orig_off[ i ], SEEK_SET ) ) )
     506           0 :       FD_LOG_ERR(( "fseek failed (%d-%s)", errno, strerror( errno ) ));
     507           0 :   }
     508           0 : }
     509             : 
     510             : /* fd_solcap_diff_missing_account is like fd_solcap_diff_account but in
     511             :    the case that either side of the account is missing entirely. */
     512             : 
     513             : static void
     514             : fd_solcap_diff_missing_account( fd_solcap_differ_t *                  diff,
     515             :                                 fd_solcap_account_tbl_t const * const entry,
     516             :                                 ulong                           const acc_tbl_goff,
     517           0 :                                 FILE *                                stream ) {
     518             : 
     519             :   /* Remember current file offset */
     520           0 :   long orig_off = ftell( stream );
     521           0 :   if( FD_UNLIKELY( orig_off<0L ) )
     522           0 :     FD_LOG_ERR(( "ftell failed (%d-%s)", errno, strerror( errno ) ));
     523             : 
     524             :   /* Read account meta */
     525           0 :   fd_solcap_AccountMeta meta[1];
     526           0 :   ulong                 data_goff[1];
     527           0 :   int err = fd_solcap_find_account( stream, meta, data_goff, entry, acc_tbl_goff );
     528           0 :   FD_TEST( err==0 );
     529             : 
     530           0 :   printf(
     531           0 :     "        lamports:   %lu\n"
     532           0 :     "        data_sz:    %lu\n"
     533           0 :     "        owner:      %s\n"
     534           0 :     "        slot:       %lu\n"
     535           0 :     "        rent_epoch: %lu\n"
     536           0 :     "        executable: %d\n",
     537           0 :     meta->lamports,
     538           0 :     meta->data_sz,
     539           0 :     FD_BASE58_ENC_32_ALLOCA( meta->owner ),
     540           0 :     meta->slot,
     541           0 :     meta->rent_epoch,
     542           0 :     meta->executable
     543           0 : );
     544             : 
     545             :   /* Dump account data to file */
     546           0 :   if( diff->verbose >= 4 ) {
     547             : 
     548             :     /* TODO: Remove hardcoded account size check */
     549           0 :     FD_TEST( meta->data_sz <= 8388608 );
     550             : 
     551           0 :     FD_SCRATCH_SCOPE_BEGIN {
     552           0 :       void * acc_data = fd_scratch_alloc( 1UL, meta->data_sz );
     553             : 
     554             :       /* Rewind capture stream */
     555           0 :       FD_TEST( 0==fseek(stream, (long)*data_goff, SEEK_SET ) );
     556             : 
     557             :       /* Copy data */
     558           0 :       FD_TEST( meta->data_sz == fread( acc_data, 1UL, meta->data_sz, stream ) );
     559             : 
     560           0 :       fd_solcap_dump_account_data( diff, meta, entry, acc_data );
     561             : 
     562             :       /* Inform user */
     563           0 :       printf( "        data:       %s/%s-%s.bin\n"
     564           0 :               "               xxd '%s/%s-%s.bin'\n"
     565           0 :               "        explorer:  'https://explorer.solana.com/block/%lu?accountFilter=%s&filter=all'",
     566           0 :               diff->dump_dir, FD_BASE58_ENC_32_ALLOCA( entry->key ), FD_BASE58_ENC_32_ALLOCA( entry->hash ),
     567           0 :               diff->dump_dir, FD_BASE58_ENC_32_ALLOCA( entry->key ), FD_BASE58_ENC_32_ALLOCA( entry->hash ),
     568           0 :               meta->slot, FD_BASE58_ENC_32_ALLOCA( entry->key ) );
     569             : 
     570           0 : #pragma GCC diagnostic push
     571           0 : #pragma GCC diagnostic ignored "-Wnonnull"
     572           0 :       if( fd_solcap_can_pretty_print( meta->owner, entry->key ) ) {
     573           0 : #pragma GCC diagnostic pop
     574             :         /* Create YAML file */
     575           0 :         char path[ FD_BASE58_ENCODED_32_LEN+1+FD_BASE58_ENCODED_32_LEN+4+1 ];
     576           0 :         int res = snprintf( path, sizeof(path), "%s-%s.yml", FD_BASE58_ENC_32_ALLOCA( entry->key ), FD_BASE58_ENC_32_ALLOCA( entry->hash ) );
     577           0 :         FD_TEST( (res>0) & (res<(int)sizeof(path)) );
     578           0 :         int fd = openat( diff->dump_dir_fd, path, O_CREAT|O_WRONLY|O_TRUNC, 0666 );
     579           0 :         if( FD_UNLIKELY( fd<0 ) )
     580           0 :           FD_LOG_ERR(( "openat(%d,%s) failed (%d-%s)",
     581           0 :               diff->dump_dir_fd, path, errno, strerror( errno ) ));
     582             : 
     583             :         /* Write YAML file */
     584           0 :         FILE * file = fdopen( fd, "wb" );
     585           0 :         fd_solcap_account_pretty_print( entry->key, meta->owner, acc_data, meta->data_sz, file );
     586           0 :         fclose( file );  /* closes fd */
     587             : 
     588             :         /* Inform user */
     589           0 :         printf( "                 cat '%s/%s-%s.yml'\n",
     590           0 :           diff->dump_dir, FD_BASE58_ENC_32_ALLOCA( entry->key ), FD_BASE58_ENC_32_ALLOCA( entry->hash ) );
     591           0 :       }
     592           0 :     } FD_SCRATCH_SCOPE_END;
     593           0 :   }
     594           0 : }
     595             : 
     596             : /* fd_solcap_diff_account_tbl detects and prints differences in the
     597             :    accounts that were hashed into the account delta hash. */
     598             : 
     599             : static void
     600           0 : fd_solcap_diff_account_tbl( fd_solcap_differ_t * diff ) {
     601             : 
     602             :   /* Read and sort tables */
     603             : 
     604           0 :   fd_solcap_account_tbl_t * tbl    [2];
     605           0 :   fd_solcap_account_tbl_t * tbl_end[2];
     606           0 :   ulong                     chunk_goff[2];
     607           0 :   for( ulong i=0UL; i<2UL; i++ ) {
     608           0 :     if( diff->preimage[i].account_table_coff == 0L ) {
     609           0 :       FD_LOG_WARNING(( "Missing accounts table in capture" ));
     610           0 :       return;
     611           0 :     }
     612           0 :     chunk_goff[i] = (ulong)( (long)diff->iter[i].chunk_off + diff->preimage[i].account_table_coff );
     613             : 
     614             :     /* Read table meta and seek to table */
     615           0 :     FILE * stream = diff->iter[i].stream;
     616           0 :     fd_solcap_AccountTableMeta meta[1];
     617           0 :     int err = fd_solcap_find_account_table( stream, meta, chunk_goff[i] );
     618           0 :     FD_TEST( err==0 );
     619             : 
     620           0 :     if( FD_UNLIKELY( meta->account_table_cnt > INT_MAX ) ) {
     621           0 :       FD_LOG_WARNING(( "Too many accounts in capture" ));
     622           0 :       return;
     623           0 :     }
     624             : 
     625             :     /* Allocate table */
     626           0 :     ulong tbl_cnt   = meta->account_table_cnt;
     627           0 :     ulong tbl_align = alignof(fd_solcap_account_tbl_t);
     628           0 :     ulong tbl_sz    = tbl_cnt * sizeof(fd_solcap_account_tbl_t);
     629           0 :     FD_TEST( fd_scratch_alloc_is_safe( tbl_align, tbl_sz ) );
     630           0 :     tbl    [i] = fd_scratch_alloc( tbl_align, tbl_sz );
     631           0 :     tbl_end[i] = tbl[i] + tbl_cnt;
     632             : 
     633             :     /* Read table */
     634           0 :     FD_TEST( tbl_cnt==fread( tbl[i], sizeof(fd_solcap_account_tbl_t), tbl_cnt, stream ) );
     635             : 
     636             :     /* Sort table */
     637           0 :     sort_account_tbl_inplace( tbl[i], tbl_cnt );
     638           0 :   }
     639             : 
     640             :   /* Walk tables in parallel */
     641             : 
     642           0 :   for(;;) {
     643           0 :     fd_solcap_account_tbl_t * a = tbl[0];
     644           0 :     fd_solcap_account_tbl_t * b = tbl[1];
     645             : 
     646           0 :     if( a==tbl_end[0] ) break;
     647           0 :     if( b==tbl_end[1] ) break;
     648             : 
     649           0 :     int key_cmp = memcmp( a->key, b->key, 32UL );
     650           0 :     if( key_cmp==0 ) {
     651           0 :       int hash_cmp = memcmp( a->hash, b->hash, 32UL );
     652           0 :       if( hash_cmp!=0 ) {
     653           0 :         printf( "\n    (in both files) account:  %s\n"
     654           0 :                 "        (%s)  hash:       %s\n"
     655           0 :                 "        (%s)  hash:       %s\n",
     656           0 :                 FD_BASE58_ENC_32_ALLOCA( a->key ),
     657           0 :                 diff->file_paths[0], FD_BASE58_ENC_32_ALLOCA( a->hash ),
     658           0 :                 diff->file_paths[1], FD_BASE58_ENC_32_ALLOCA( b->hash ) );
     659             : 
     660           0 :         if( diff->verbose >= 3 )
     661           0 :           fd_solcap_diff_account( diff, (fd_solcap_account_tbl_t const * const *)tbl, chunk_goff );
     662           0 :       }
     663             : 
     664           0 :       tbl[0]++;
     665           0 :       tbl[1]++;
     666           0 :       continue;
     667           0 :     }
     668             : 
     669           0 :     if( key_cmp<0 ) {
     670           0 :       printf( "\n    (%s) account:  %s\n", diff->file_paths[0], FD_BASE58_ENC_32_ALLOCA( a->key ) );
     671           0 :       if( diff->verbose >= 3 )
     672           0 :         fd_solcap_diff_missing_account( diff, tbl[0], chunk_goff[0], diff->iter[0].stream );
     673           0 :       tbl[0]++;
     674           0 :       continue;
     675           0 :     }
     676             : 
     677           0 :     if( key_cmp>0 ) {
     678           0 :       printf( "\n    (%s) account:  %s\n", diff->file_paths[1], FD_BASE58_ENC_32_ALLOCA( b->key ) );
     679           0 :       if( diff->verbose >= 3 )
     680           0 :         fd_solcap_diff_missing_account( diff, tbl[1], chunk_goff[1], diff->iter[1].stream );
     681           0 :       tbl[1]++;
     682           0 :       continue;
     683           0 :     }
     684           0 :   }
     685           0 :   while( tbl[0]!=tbl_end[0] ) {
     686           0 :     printf( "\n    (%s) account:  %s\n", diff->file_paths[0], FD_BASE58_ENC_32_ALLOCA( tbl[0]->key ) );
     687           0 :     if( diff->verbose >= 3 )
     688           0 :       fd_solcap_diff_missing_account( diff, tbl[0], chunk_goff[0], diff->iter[0].stream );
     689           0 :     tbl[0]++;
     690           0 :   }
     691           0 :   while( tbl[1]!=tbl_end[1] ) {
     692           0 :     printf( "\n    (%s) account:  %s\n", diff->file_paths[1], FD_BASE58_ENC_32_ALLOCA( tbl[1]->key ) );
     693           0 :     if( diff->verbose >= 3 )
     694           0 :       fd_solcap_diff_missing_account( diff, tbl[1], chunk_goff[1], diff->iter[1].stream );
     695           0 :     tbl[1]++;
     696           0 :   }
     697             : 
     698           0 : }
     699             : 
     700             : /* fd_solcap_diff_bank detects bank hash mismatches and prints a
     701             :    human-readable description of the root cause to stdout.  Returns 0
     702             :    if bank hashes match, 1 if a mismatch was detected. */
     703             : 
     704             : static int
     705           0 : fd_solcap_diff_bank( fd_solcap_differ_t * diff ) {
     706             : 
     707           0 :   fd_solcap_BankPreimage const * pre = diff->preimage;
     708             : 
     709           0 :   FD_TEST( pre[0].slot == pre[1].slot );
     710           0 :   if( 0==memcmp( &pre[0], &pre[1], sizeof(fd_solcap_BankPreimage) ) )
     711           0 :     return 0;
     712             : 
     713           0 :   printf( "\nbank hash mismatch at slot=%lu\n", pre[0].slot );
     714             : 
     715           0 :   printf( "(%s) bank_hash:  %s\n"
     716           0 :           "(%s) bank_hash:  %s\n",
     717           0 :           diff->file_paths[0], FD_BASE58_ENC_32_ALLOCA( pre[0].bank_hash ),
     718           0 :           diff->file_paths[1], FD_BASE58_ENC_32_ALLOCA( pre[1].bank_hash ) );
     719             : 
     720           0 :   int only_account_mismatch = 0;
     721           0 :   if( 0!=memcmp( pre[0].account_delta_hash, pre[1].account_delta_hash, 32UL ) ) {
     722           0 :     only_account_mismatch = 1;
     723           0 :     printf( "(%s) account_delta_hash:  %s\n"
     724           0 :             "(%s) account_delta_hash:  %s\n",
     725           0 :             diff->file_paths[0], FD_BASE58_ENC_32_ALLOCA( pre[0].account_delta_hash ),
     726           0 :             diff->file_paths[1], FD_BASE58_ENC_32_ALLOCA( pre[1].account_delta_hash ) );
     727           0 :   }
     728           0 :   if( 0!=memcmp( pre[0].prev_bank_hash, pre[1].prev_bank_hash, 32UL ) ) {
     729           0 :     only_account_mismatch = 0;
     730           0 :     printf( "(%s) prev_bank_hash:      %s\n"
     731           0 :             "(%s) prev_bank_hash:      %s\n",
     732           0 :             diff->file_paths[0], FD_BASE58_ENC_32_ALLOCA( pre[0].prev_bank_hash ),
     733           0 :             diff->file_paths[1], FD_BASE58_ENC_32_ALLOCA( pre[1].prev_bank_hash ) );
     734           0 :   }
     735           0 :   if( 0!=memcmp( pre[0].poh_hash, pre[1].poh_hash, 32UL ) ) {
     736           0 :     only_account_mismatch = 0;
     737           0 :     printf( "(%s) poh_hash:            %s\n"
     738           0 :             "(%s) poh_hash:            %s\n",
     739           0 :             diff->file_paths[0], FD_BASE58_ENC_32_ALLOCA( pre[0].poh_hash ),
     740           0 :             diff->file_paths[1], FD_BASE58_ENC_32_ALLOCA( pre[1].poh_hash ) );
     741           0 :   }
     742           0 :   if( pre[0].signature_cnt != pre[1].signature_cnt ) {
     743           0 :     only_account_mismatch = 0;
     744           0 :     printf( "(%s) signature_cnt:       %lu\n"
     745           0 :             "(%s) signature_cnt:       %lu\n",
     746           0 :             diff->file_paths[0], pre[0].signature_cnt,
     747           0 :             diff->file_paths[1], pre[1].signature_cnt );
     748           0 :   }
     749           0 :   if( pre[0].account_cnt != pre[1].account_cnt ) {
     750           0 :     printf( "(%s) account_cnt:         %lu\n"
     751           0 :             "(%s) account_cnt:         %lu\n",
     752           0 :             diff->file_paths[0], pre[0].account_cnt,
     753           0 :             diff->file_paths[1], pre[1].account_cnt );
     754           0 :   }
     755           0 :   printf( "\n" );
     756             : 
     757           0 :   if( only_account_mismatch && diff->verbose >= 2 ) {
     758           0 :     fd_scratch_push();
     759           0 :     fd_solcap_diff_account_tbl( diff );
     760           0 :     fd_scratch_pop();
     761           0 :   }
     762             : 
     763           0 :   return 1;
     764           0 : }
     765             : 
     766             : /* Diffs two transaction results with each other. */
     767             : static void
     768           0 : fd_solcap_transaction_fd_diff( fd_solcap_txn_differ_t * txn_differ ) {
     769           0 :   if ( FD_UNLIKELY( memcmp( txn_differ->transaction[0].txn_sig,
     770           0 :                             txn_differ->transaction[1].txn_sig, 32UL ) != 0 ) ) {
     771             :     /* Transactions don't line up. */
     772           0 :     FD_LOG_WARNING(( "Transaction signatures are different for slot=%lu, signature=(%s != %s)."
     773           0 :                      "It is possible that either the transactions are out of order or some transactions are missing.",
     774           0 :                      txn_differ->transaction[0].slot,
     775           0 :                      FD_BASE58_ENC_32_ALLOCA( txn_differ->transaction[0].txn_sig ),
     776           0 :                      FD_BASE58_ENC_32_ALLOCA( txn_differ->transaction[1].txn_sig ) ));
     777           0 :   }
     778           0 :   else {
     779           0 :     bool diff_txns = txn_differ->transaction[0].fd_txn_err != txn_differ->transaction[1].fd_txn_err;
     780           0 :     bool diff_cus = txn_differ->transaction[0].fd_cus_used != txn_differ->transaction[1].fd_cus_used;
     781           0 :     bool diff_instr_err_idx = txn_differ->transaction[0].instr_err_idx != txn_differ->transaction[1].instr_err_idx;
     782           0 :     if ( diff_txns || diff_cus ) {
     783           0 :       printf(
     784           0 :         "\nslot:             %lu\n"
     785           0 :         "txn_sig:         '%s'\n",
     786           0 :         txn_differ->transaction[0].slot,
     787           0 :         FD_BASE58_ENC_64_ALLOCA( txn_differ->transaction[0].txn_sig) );
     788           0 :     }
     789           0 :     if ( diff_txns ) {
     790           0 :       printf(
     791           0 :         "    (+) txn_err:  %d\n"
     792           0 :         "    (-) txn_err:  %d\n",
     793           0 :         txn_differ->transaction[0].fd_txn_err,
     794           0 :         txn_differ->transaction[1].fd_txn_err );
     795           0 :     }
     796           0 :     if ( diff_cus ) {
     797           0 :       printf(
     798           0 :         "    (+) cus_used: %lu\n"
     799           0 :         "    (-) cus_used: %lu\n",
     800           0 :         txn_differ->transaction[0].fd_cus_used,
     801           0 :         txn_differ->transaction[1].fd_cus_used );
     802           0 :     }
     803           0 :     if ( diff_instr_err_idx ) {
     804           0 :       printf(
     805           0 :         "    (+) instr_err_idx: %d\n"
     806           0 :         "    (-) instr_err_idx: %d\n",
     807           0 :         txn_differ->transaction[0].instr_err_idx,
     808           0 :         txn_differ->transaction[1].instr_err_idx );
     809           0 :     }
     810           0 :   }
     811           0 : }
     812             : 
     813             : /* Diffs firedancer transaction result with solana's result iff it is included
     814             :    in the solcap. The solana result comes from rocksdb. This diff is generated
     815             :    from just one fd_solcap_Transaction object */
     816             : static void
     817             : fd_solcap_transaction_solana_diff( fd_solcap_Transaction * transaction,
     818             :                                    ulong start_slot,
     819           0 :                                    ulong end_slot ) {
     820           0 :   if ( transaction->slot < start_slot || transaction->slot > end_slot ) {
     821           0 :     return;
     822           0 :   }
     823             : 
     824           0 :   if ( transaction->solana_txn_err == ULONG_MAX && transaction->solana_cus_used == ULONG_MAX ) {
     825             :     /* If solana_txn_err and solana_cus_used are both not populated, don't print diff */
     826           0 :     return;
     827           0 :   } else if ( transaction->solana_txn_err == ULONG_MAX ) {
     828             :     /* Print diff if the solana_txn_err is not set (txn executed successfully) */
     829           0 :     transaction->solana_txn_err = 0;
     830           0 :   }
     831             : 
     832             :   /* Only print a diff if cus or transaction result is different */
     833           0 :   if( !!( transaction->fd_txn_err ) != !!( transaction->solana_txn_err ) ||
     834           0 :        transaction->fd_cus_used != transaction->solana_cus_used ) {
     835           0 :     printf(
     836           0 :       "slot:                    %lu\n"
     837           0 :       "txn_sig:                '%s'\n"
     838           0 :       "    (+) txn_err:         %d\n"
     839           0 :       "    (-) solana_txn_err:  %lu\n"
     840           0 :       "    (+) cus_used:        %lu\n"
     841           0 :       "    (-) solana_cus_used: %lu\n"
     842           0 :       "    instr_err_idx:       %d\n"
     843           0 :       "    explorer:           'https://explorer.solana.com/tx/%s'\n"
     844           0 :       "    solscan:            'https://solscan.io/tx/%s'\n"
     845           0 :       "    solanafm:           'https://solana.fm/tx/%s'\n",
     846           0 :       transaction->slot,
     847           0 :       FD_BASE58_ENC_64_ALLOCA( transaction->txn_sig ),
     848           0 :       transaction->fd_txn_err,
     849           0 :       transaction->solana_txn_err,
     850           0 :       transaction->fd_cus_used,
     851           0 :       transaction->solana_cus_used,
     852           0 :       transaction->instr_err_idx,
     853           0 :       FD_BASE58_ENC_64_ALLOCA( transaction->txn_sig ),
     854           0 :       FD_BASE58_ENC_64_ALLOCA( transaction->txn_sig ),
     855           0 :       FD_BASE58_ENC_64_ALLOCA( transaction->txn_sig ) );
     856           0 :   }
     857           0 : }
     858             : 
     859             : static void
     860           0 : fd_solcap_get_transaction_from_iter( fd_solcap_txn_differ_t * differ, ulong idx ) {
     861           0 :   if ( fd_solcap_chunk_iter_done( &differ->iter[idx] ) )
     862           0 :     return;
     863             : 
     864           0 :   fd_solcap_chunk_t const * chunk = fd_solcap_chunk_iter_item( &differ->iter[idx] );
     865             : 
     866           0 :   if( FD_UNLIKELY( 0!=fseek( differ->file[idx], differ->chunk_gaddr[idx] + (long)chunk->meta_coff, SEEK_SET ) ) ) {
     867           0 :     FD_LOG_ERR(( "fseek transaction meta failed (%d-%s)", errno, strerror( errno ) ));
     868           0 :   }
     869           0 :   if( FD_UNLIKELY( chunk->meta_sz != fread( &differ->meta_buf[idx], 1UL, chunk->meta_sz, differ->file[idx] ) ) ) {
     870           0 :     FD_LOG_ERR(( "fread transaction meta failed (%d-%s)", errno, strerror( errno ) ));
     871           0 :   }
     872             : 
     873           0 :   pb_istream_t stream = pb_istream_from_buffer( differ->meta_buf[idx], chunk->meta_sz );
     874           0 :   if( FD_UNLIKELY( !pb_decode( &stream, fd_solcap_Transaction_fields, &differ->transaction[idx] ) ) ) {
     875           0 :     FD_LOG_HEXDUMP_DEBUG(( "transaction meta", differ->meta_buf[idx], chunk->meta_sz ));
     876           0 :     FD_LOG_ERR(( "pb_decode transaction meta failed (%s)", PB_GET_ERROR(&stream) ));
     877           0 :   }
     878           0 : }
     879             : 
     880             : static void
     881           0 : fd_solcap_transaction_iter( fd_solcap_txn_differ_t * txn_differ, ulong idx ) {
     882           0 :   while ( !fd_solcap_chunk_iter_done( &txn_differ->iter[idx] ) ) {
     883           0 :     txn_differ->chunk_gaddr[idx] = fd_solcap_chunk_iter_find( &txn_differ->iter[idx], FD_SOLCAP_V1_TRXN_MAGIC );
     884           0 :     fd_solcap_get_transaction_from_iter( txn_differ, idx );
     885           0 :     fd_solcap_transaction_solana_diff( &txn_differ->transaction[idx], 0, ULONG_MAX );
     886           0 :   }
     887           0 : }
     888             : 
     889             : static void
     890           0 : fd_solcap_txn_differ_advance( fd_solcap_txn_differ_t * txn_differ ) {
     891           0 :   while ( !fd_solcap_chunk_iter_done( &txn_differ->iter[0] ) &&
     892           0 :           !fd_solcap_chunk_iter_done( &txn_differ->iter[1] ) ) {
     893             :     /* Diff transactions against both solana result (rocksdb) and against each other */
     894           0 :     fd_solcap_transaction_fd_diff( txn_differ );
     895           0 :     fd_solcap_transaction_solana_diff( &txn_differ->transaction[0], 0, ULONG_MAX );
     896           0 :     txn_differ->chunk_gaddr[0] = fd_solcap_chunk_iter_find( &txn_differ->iter[0], FD_SOLCAP_V1_TRXN_MAGIC );
     897           0 :     txn_differ->chunk_gaddr[1] = fd_solcap_chunk_iter_find( &txn_differ->iter[1], FD_SOLCAP_V1_TRXN_MAGIC );
     898           0 :     fd_solcap_get_transaction_from_iter( txn_differ, 0 );
     899           0 :     fd_solcap_get_transaction_from_iter( txn_differ, 1 );
     900           0 :   }
     901           0 : }
     902             : 
     903           0 : static void fd_solcap_txn_differ_sync( fd_solcap_txn_differ_t * txn_differ ) {
     904             :   /* Find first transaction for both files */
     905           0 :   for( int i=0; i<2; i++ ) {
     906           0 :     txn_differ->chunk_gaddr[i] = fd_solcap_chunk_iter_find( &txn_differ->iter[i], FD_SOLCAP_V1_TRXN_MAGIC );
     907           0 :     if( FD_UNLIKELY( txn_differ->chunk_gaddr[i] < 0L ) ) {
     908           0 :       int err = fd_solcap_chunk_iter_err( &txn_differ->iter[i] );
     909           0 :       if( err == 0 ) break;
     910           0 :       FD_LOG_ERR(( "fd_solcap_chunk_iter_next() failed (%d-%s)", err, strerror( err ) ));
     911           0 :     }
     912           0 :   }
     913             : 
     914             :   /* Get first transaction on both */
     915           0 :   fd_solcap_get_transaction_from_iter( txn_differ, 0 );
     916           0 :   fd_solcap_get_transaction_from_iter( txn_differ, 1 );
     917             : 
     918           0 :   for(;;) {
     919             :     /* If one is done but not the other, iterate through the rest of the
     920             :        transactions in order to generate a diff against solana's transactions */
     921           0 :     if( fd_solcap_chunk_iter_done( &txn_differ->iter[0] ) ) {
     922           0 :       fd_solcap_transaction_iter( txn_differ, 1 );
     923           0 :       break;
     924           0 :     } else if( fd_solcap_chunk_iter_done( &txn_differ->iter[1] ) ) {
     925           0 :       fd_solcap_transaction_iter( txn_differ, 0 );
     926           0 :       break;
     927           0 :     }
     928             : 
     929             :     /* Otherwise, try to sync up the two files, printing any solana diffs along the way */
     930           0 :     if( txn_differ->transaction[0].slot == txn_differ->transaction[1].slot ) {
     931           0 :       fd_solcap_txn_differ_advance( txn_differ );
     932           0 :     } else if( txn_differ->transaction[0].slot < txn_differ->transaction[1].slot ) {
     933             :       /* Advance index 0 only */
     934           0 :       fd_solcap_transaction_solana_diff( &txn_differ->transaction[0], 0, ULONG_MAX );
     935           0 :       txn_differ->chunk_gaddr[0] = fd_solcap_chunk_iter_find( &txn_differ->iter[0], FD_SOLCAP_V1_TRXN_MAGIC );
     936           0 :       fd_solcap_get_transaction_from_iter( txn_differ, 0 );
     937           0 :     } else if( txn_differ->transaction[1].slot < txn_differ->transaction[0].slot ) {
     938             :       /* Advance index 1 only */
     939           0 :       fd_solcap_transaction_solana_diff( &txn_differ->transaction[1], 0, ULONG_MAX );
     940           0 :       txn_differ->chunk_gaddr[1] = fd_solcap_chunk_iter_find( &txn_differ->iter[1], FD_SOLCAP_V1_TRXN_MAGIC );
     941           0 :       fd_solcap_get_transaction_from_iter( txn_differ, 1 );
     942           0 :     }
     943           0 :   }
     944           0 : }
     945             : 
     946           0 : static void fd_solcap_transaction_diff( FILE * file_zero, FILE * file_one ) {
     947             : 
     948           0 :   if ( FD_UNLIKELY( fseek( file_zero, 0, SEEK_SET ) != 0 ) ) {
     949           0 :     FD_LOG_ERR(( "fseek to start of file failed (%d-%s)", errno, strerror( errno ) ));
     950           0 :   }
     951           0 :   if ( FD_UNLIKELY( fseek( file_one, 0, SEEK_SET ) != 0 ) ) {
     952           0 :     FD_LOG_ERR(( "fseek to start of file failed (%d-%s)", errno, strerror( errno ) ));
     953           0 :   }
     954             : 
     955             :   /* Read file header and seek to first chunk to begin interation */
     956           0 :   fd_solcap_fhdr_t fhdr_zero[1];
     957           0 :   fd_solcap_fhdr_t fhdr_one[1];
     958           0 :   ulong n_zero = fread( fhdr_zero, sizeof(fd_solcap_fhdr_t), 1UL, file_zero );
     959           0 :   ulong n_one  = fread( fhdr_one, sizeof(fd_solcap_fhdr_t), 1UL, file_one );
     960             : 
     961           0 :   if ( FD_UNLIKELY( n_zero != 1UL ) ) {
     962           0 :     FD_LOG_ERR(( "fread file header failed (%d-%s)", errno, strerror( errno ) ));
     963           0 :   }
     964           0 :   if ( FD_UNLIKELY( n_one != 1UL ) ) {
     965           0 :     FD_LOG_ERR(( "fread file header failed (%d-%s)", errno, strerror( errno ) ));
     966           0 :   }
     967           0 :   int err;
     968           0 :   err = fseek( file_zero, (long)fhdr_zero->chunk0_foff - (long)sizeof(fd_solcap_fhdr_t), SEEK_CUR );
     969           0 :   if( FD_UNLIKELY( err < 0L ) ) {
     970           0 :     FD_LOG_ERR(( "fseek chunk0 failed (%d-%s)", errno, strerror( errno ) ));
     971           0 :   }
     972           0 :   err = fseek( file_one, (long)fhdr_one->chunk0_foff - (long)sizeof(fd_solcap_fhdr_t), SEEK_CUR );
     973           0 :   if( FD_UNLIKELY( err < 0L ) ) {
     974           0 :     FD_LOG_ERR(( "fseek chunk0 failed (%d-%s)", errno, strerror( errno ) ));
     975           0 :   }
     976             : 
     977             :   /* Setup txn_differ */
     978           0 :   fd_solcap_txn_differ_t txn_differ;
     979           0 :   txn_differ.file[0] = file_zero;
     980           0 :   txn_differ.file[1] = file_one;
     981           0 :   fd_solcap_chunk_iter_new( &txn_differ.iter[0], file_zero );
     982           0 :   fd_solcap_chunk_iter_new( &txn_differ.iter[1], file_one );
     983             : 
     984             :   /* Iterate and diff throught the transactions */
     985           0 :   fd_solcap_txn_differ_sync( &txn_differ );
     986           0 : }
     987             : 
     988             : void
     989           0 : fd_solcap_one_file_transaction_diff( FILE * file, ulong start_slot, ulong end_slot ) {
     990             :   /* Open and read the header */
     991           0 :   fd_solcap_fhdr_t fhdr[1];
     992           0 :   ulong n = fread( fhdr, sizeof(fd_solcap_fhdr_t), 1UL, file );
     993           0 :   if( FD_UNLIKELY( n!=1UL ) ) {
     994           0 :     FD_LOG_ERR(( "fread file header failed (%d-%s)", errno, strerror( errno ) ));
     995           0 :   }
     996             : 
     997             :   /* Seek to the first chunk */
     998           0 :   int err = fseek( file, (long)fhdr->chunk0_foff - (long)sizeof(fd_solcap_fhdr_t), SEEK_CUR );
     999           0 :   if( FD_UNLIKELY( err<0L ) ) {
    1000           0 :     FD_LOG_ERR(( "fseek chunk0 failed (%d-%s)", errno, strerror( errno ) ));
    1001           0 :   }
    1002             : 
    1003             :   /* Iterate through the chunks diffing the trnasactions */
    1004           0 :   fd_solcap_chunk_iter_t iter[1];
    1005           0 :   fd_solcap_chunk_iter_new( iter, file );
    1006           0 :   while( !fd_solcap_chunk_iter_done( iter ) ) {
    1007           0 :     long chunk_gaddr = fd_solcap_chunk_iter_find( iter, FD_SOLCAP_V1_TRXN_MAGIC );
    1008           0 :     if( FD_UNLIKELY( chunk_gaddr<0L ) ) {
    1009           0 :       int err = fd_solcap_chunk_iter_err( iter );
    1010           0 :       if( err==0 ) break;
    1011           0 :       FD_LOG_ERR(( "fd_solcap_chunk_iter_next() failed (%d-%s)", err, strerror( err ) ));
    1012           0 :     }
    1013             : 
    1014           0 :     fd_solcap_chunk_t const * chunk = fd_solcap_chunk_iter_item( iter );
    1015           0 :     if( FD_UNLIKELY( !chunk ) ) FD_LOG_ERR(( "fd_solcap_chunk_item() failed" ));
    1016             : 
    1017             :     /* Read transaction meta */
    1018             : 
    1019           0 :     uchar meta_buf[ 128UL ];
    1020           0 :     if( FD_UNLIKELY( 0!=fseek( file, chunk_gaddr + (long)chunk->meta_coff, SEEK_SET ) ) ) {
    1021           0 :       FD_LOG_ERR(( "fseek transaction meta failed (%d-%s)", errno, strerror( errno ) ));
    1022           0 :     }
    1023           0 :     if( FD_UNLIKELY( chunk->meta_sz != fread( meta_buf, 1UL, chunk->meta_sz, file ) ) ) {
    1024           0 :       FD_LOG_ERR(( "fread transaction meta failed (%d-%s)", errno, strerror( errno ) ));
    1025           0 :     }
    1026             : 
    1027             :     /* Deserialize transaction meta */
    1028             : 
    1029           0 :     pb_istream_t stream = pb_istream_from_buffer( meta_buf, chunk->meta_sz );
    1030             : 
    1031           0 :     fd_solcap_Transaction meta;
    1032           0 :     if( FD_UNLIKELY( !pb_decode( &stream, fd_solcap_Transaction_fields, &meta ) ) ) {
    1033           0 :       FD_LOG_HEXDUMP_DEBUG(( "transaction meta", meta_buf, chunk->meta_sz ));
    1034           0 :       FD_LOG_ERR(( "pb_decode transaction meta failed (%s)", PB_GET_ERROR(&stream) ));
    1035           0 :     }
    1036             : 
    1037           0 :     if( meta.slot < start_slot || meta.slot > end_slot ) {
    1038           0 :       continue;
    1039           0 :     }
    1040             : 
    1041           0 :     fd_solcap_transaction_solana_diff( &meta, start_slot, end_slot );
    1042           0 :   }
    1043           0 : }
    1044             : 
    1045             : static void
    1046           0 : usage( void ) {
    1047           0 :   fprintf( stderr,
    1048           0 :     "Usage: fd_solcap_diff [options] {FILE1} {FILE2}\n"
    1049           0 :     "\n"
    1050           0 :     "Imports a runtime capture file from JSON.\n"
    1051           0 :     "\n"
    1052           0 :     "Options:\n"
    1053           0 :     "  --page-sz      {gigantic|huge|normal}    Page size\n"
    1054           0 :     "  --page-cnt     {count}                   Page count\n"
    1055           0 :     "  --scratch-mb   1024                      Scratch mem MiB\n"
    1056           0 :     "  -v             1                         Diff verbosity\n"
    1057           0 :     "  --dump-dir     {dir}                     Dump directory\n"
    1058           0 :     "  --start-slot   {slot}                    Start slot\n"
    1059           0 :     "  --end-slot     {slot}                    End slot\n"
    1060           0 :     "\n" );
    1061           0 : }
    1062             : 
    1063             : int
    1064             : main( int     argc,
    1065             :       char ** argv ) {
    1066             :   fd_boot( &argc, &argv );
    1067             :   fd_flamenco_boot( &argc, &argv );
    1068             : 
    1069             :   /* Command line handling */
    1070             : 
    1071             :   for( int i=1; i<argc; i++ ) {
    1072             :     if( 0==strcmp( argv[i], "--help" ) ) {
    1073             :       usage();
    1074             :       return 0;
    1075             :     }
    1076             :   }
    1077             : 
    1078             :   char const * _page_sz   = fd_env_strip_cmdline_cstr ( &argc, &argv, "--page-sz",    NULL, "gigantic" );
    1079             :   ulong        page_cnt   = fd_env_strip_cmdline_ulong( &argc, &argv, "--page-cnt",   NULL, 2UL        );
    1080             :   ulong        scratch_mb = fd_env_strip_cmdline_ulong( &argc, &argv, "--scratch-mb", NULL, 1024UL     );
    1081             :   int          verbose    = fd_env_strip_cmdline_int  ( &argc, &argv, "-v",           NULL, 1          );
    1082             :   char const * dump_dir   = fd_env_strip_cmdline_cstr ( &argc, &argv, "--dump-dir",   NULL, "dump"     );
    1083             :   ulong        start_slot = fd_env_strip_cmdline_ulong( &argc, &argv, "--start-slot", NULL, 0UL        );
    1084             :   ulong        end_slot   = fd_env_strip_cmdline_ulong( &argc, &argv, "--end-slot",   NULL, ULONG_MAX  );
    1085             : 
    1086             :   ulong page_sz = fd_cstr_to_shmem_page_sz( _page_sz );
    1087             :   if( FD_UNLIKELY( !page_sz ) ) FD_LOG_ERR(( "unsupported --page-sz" ));
    1088             : 
    1089             :   char const * cap_path[2] = {0};
    1090             :   int          caps_found  = 0;
    1091             : 
    1092             :   for( int i=1; i<argc; i++ ) {
    1093             :     if( 0==strncmp( argv[i], "--", 2 ) ) continue;
    1094             :     if( caps_found>=2 ) { usage(); return 1; }
    1095             :     cap_path[ caps_found++ ] = argv[i];
    1096             :   }
    1097             : 
    1098             :   if( caps_found==1 ) { /* Support one file being passed in to see transaction diff */
    1099             :     cap_path[ caps_found++ ] = cap_path[ 0 ];
    1100             :   }
    1101             :   else if( caps_found!=2 ) {
    1102             :     fprintf( stderr, "ERROR: expected 2 arguments, got %d\n", argc-1 );
    1103             :     usage();
    1104             :     return 1;
    1105             :   }
    1106             : 
    1107             :   /* Acquire workspace */
    1108             : 
    1109             :   fd_wksp_t * wksp = fd_wksp_new_anonymous( page_sz, page_cnt, fd_log_cpu_id(), "wksp", 0UL );
    1110             :   if( FD_UNLIKELY( !wksp ) ) FD_LOG_ERR(( "fd_wksp_new_anonymous() failed" ));
    1111             : 
    1112             :   /* Create scratch allocator */
    1113             : 
    1114             :   ulong  smax = scratch_mb << 20;
    1115             :   void * smem = fd_wksp_alloc_laddr( wksp, fd_scratch_smem_align(), smax, 1UL );
    1116             :   if( FD_UNLIKELY( !smem ) ) FD_LOG_ERR(( "Failed to alloc scratch mem" ));
    1117             : 
    1118             : # define SCRATCH_DEPTH (4UL)
    1119             :   ulong fmem[ SCRATCH_DEPTH ] __attribute((aligned(FD_SCRATCH_FMEM_ALIGN)));
    1120             : 
    1121             :   fd_scratch_attach( smem, fmem, smax, SCRATCH_DEPTH );
    1122             : 
    1123             :   /* Open capture files for reading */
    1124             : 
    1125             :   FILE * cap_file[2] = {0};
    1126             :   cap_file[0] = fopen( cap_path[0], "rb" );
    1127             :   cap_file[1] = strcmp( cap_path[0], cap_path[1] ) ? fopen( cap_path[1], "rb" ) : cap_file[0];
    1128             : 
    1129             :   if ( FD_UNLIKELY( !cap_file[0] ) )
    1130             :     FD_LOG_ERR(( "fopen failed (%d-%s) on file=%s", errno, strerror( errno ), cap_path[0] ));
    1131             :   if ( FD_UNLIKELY( !cap_file[1] ) )
    1132             :     FD_LOG_ERR(( "fopen failed (%d-%s) on file=%s", errno, strerror( errno ), cap_path[1] ));
    1133             : 
    1134             :   /* Create dump dir */
    1135             : 
    1136             :   if( mkdir( dump_dir, 0777 )<0 && errno!=EEXIST )
    1137             :     FD_LOG_ERR(( "mkdir failed (%d-%s)", errno, strerror( errno ) ));
    1138             :   int dump_dir_fd = open( dump_dir, O_DIRECTORY );
    1139             :   if( FD_UNLIKELY( dump_dir_fd<0 ) )
    1140             :     FD_LOG_ERR(( "open(%s) failed (%d-%s)", dump_dir, errno, strerror( errno ) ));
    1141             : 
    1142             :   /* Handle the one file case before diffing for accounts/hashes */
    1143             :   if( cap_file[0] == cap_file[1] ) {
    1144             :     FD_LOG_NOTICE(( "Only one file was passed in. Will only print transaction diffs." ));
    1145             :     fd_solcap_one_file_transaction_diff( cap_file[0], start_slot, end_slot );
    1146             : 
    1147             :     /* Cleanup*/
    1148             :     close( dump_dir_fd );
    1149             :     fclose( cap_file[0] );
    1150             :     FD_TEST( fd_scratch_frame_used()==0UL );
    1151             :     fd_wksp_free_laddr( fd_scratch_detach( NULL ) );
    1152             :     fd_flamenco_halt();
    1153             :     fd_halt();
    1154             :     return 0;
    1155             :   }
    1156             : 
    1157             :   /* Create differ */
    1158             : 
    1159             :   fd_solcap_differ_t diff[1];
    1160             : 
    1161             :   /* Copy over up to last 16 chars */
    1162             :   char file_name_zero[SOLCAP_FILE_NAME_LEN + 1];
    1163             :   char file_name_one[SOLCAP_FILE_NAME_LEN + 1];
    1164             :   char * normalized_file_paths[2] = {file_name_zero, file_name_one};
    1165             :   normalize_filename( cap_path[0], normalized_file_paths[0], '+' );
    1166             :   normalize_filename( cap_path[1], normalized_file_paths[1], '-' );
    1167             : 
    1168             :   printf( "++%s\n", normalized_file_paths[0] );
    1169             :   printf( "--%s\n\n", normalized_file_paths[1] );
    1170             : 
    1171             :   if( FD_UNLIKELY( !fd_solcap_differ_new( diff, cap_file, (const char **)normalized_file_paths ) ) )
    1172             :     return 1;
    1173             :   diff->verbose     = verbose;
    1174             :   diff->dump_dir    = dump_dir;
    1175             :   diff->dump_dir_fd = dump_dir_fd;
    1176             :   int res = fd_solcap_differ_sync( diff, start_slot, end_slot );
    1177             :   if( res <0 ) FD_LOG_ERR(( "fd_solcap_differ_sync failed (%d-%s)",
    1178             :                             -res, strerror( -res ) ));
    1179             :   if( res==0 ) FD_LOG_ERR(( "Captures don't share any slots" ));
    1180             : 
    1181             :   /* Diff each block for accounts and hashes */
    1182             : 
    1183             :   for(;;) {
    1184             :     if( FD_UNLIKELY( fd_solcap_diff_bank( diff ) ) ) break;
    1185             :     printf( "Slot %10lu: OK\n", diff->preimage[0].slot );
    1186             :     /* Advance to next slot. */
    1187             :     int res = fd_solcap_differ_sync( diff, start_slot, end_slot );
    1188             :     if( FD_UNLIKELY( res<0 ) )
    1189             :       FD_LOG_ERR(( "fd_solcap_differ_sync failed (%d-%s)",
    1190             :                    -res, strerror( -res ) ));
    1191             :     if( res==0 ) break;
    1192             :   }
    1193             : 
    1194             :   /* Check both files for transaction and produce a diff if possible. If both
    1195             :      files contain transaction info, this will produce a diff between the two
    1196             :      files. If one of the files contains the solana transaction info, then we
    1197             :      will also print the diffs between the solana and firedancer execution.  */
    1198             :   if ( verbose >= 3 ) {
    1199             :     printf( "\nTransaction diffs:\n" );
    1200             :     fd_solcap_transaction_diff( cap_file[0], cap_file[1] );
    1201             :   }
    1202             : 
    1203             :   /* Cleanup */
    1204             : 
    1205             :   close( dump_dir_fd );
    1206             :   fclose( cap_file[1] );
    1207             :   fclose( cap_file[0] );
    1208             :   FD_TEST( fd_scratch_frame_used()==0UL );
    1209             :   fd_wksp_free_laddr( fd_scratch_detach( NULL ) );
    1210             :   fd_flamenco_halt();
    1211             :   fd_halt();
    1212             :   return 0;
    1213             : }

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