LCOV - code coverage report
Current view: top level - discof/execle - fd_execle_tile.c (source / functions) Hit Total Coverage
Test: cov.lcov Lines: 0 542 0.0 %
Date: 2026-09-17 04:28:31 Functions: 0 32 0.0 %

          Line data    Source code
       1             : #include "fd_execle_err.h"
       2             : 
       3             : #include "../../disco/tiles.h"
       4             : #include "../../disco/pack/fd_pack.h"
       5             : #include "../../disco/pack/fd_pack_cost.h"
       6             : #include "../../ballet/blake3/fd_blake3.h"
       7             : #include "../../ballet/bmtree/fd_bmtree.h"
       8             : #include "../../disco/metrics/fd_metrics.h"
       9             : #include "../../disco/events/generated/fd_event_gen.h"
      10             : #include "../../util/pod/fd_pod_format.h"
      11             : #include "../../disco/pack/fd_pack_rebate_sum.h"
      12             : #include "../../disco/metrics/generated/fd_metrics_enums.h"
      13             : #include "../../discof/fd_startup.h"
      14             : #include "../../flamenco/runtime/fd_runtime.h"
      15             : #include "../../flamenco/runtime/fd_bank.h"
      16             : #include "../../flamenco/progcache/fd_progcache_user.h"
      17             : #include "../../flamenco/log_collector/fd_log_collector_base.h"
      18             : #include <time.h>
      19             : #include "generated/fd_execle_tile_seccomp.h"
      20             : 
      21           0 : #define REBATE_BATCH_IDLE_LOOPS      (128UL)
      22           0 : #define REBATE_BATCH_MAX_MICROBLOCKS (16UL)
      23             : 
      24             : FD_STATIC_ASSERT( REBATE_BATCH_MAX_MICROBLOCKS*FD_PACK_REBATE_MAX_ENTRIES<=FD_PACK_REBATE_SUM_CAPACITY,
      25             :                   rebate_batch_fits_rebater );
      26             : 
      27             : struct fd_execle_out {
      28             :   ulong       idx;
      29             :   fd_wksp_t * mem;
      30             :   ulong       chunk0;
      31             :   ulong       wmark;
      32             :   ulong       chunk;
      33             : };
      34             : 
      35             : typedef struct fd_execle_out fd_execle_out_t;
      36             : 
      37             : struct fd_execle_tile {
      38             :   ulong kind_id;
      39             : 
      40             :   fd_startup_gate_t startup_gate[1];
      41             : 
      42             :   fd_blake3_t * blake3;
      43             :   void * bmtree;
      44             : 
      45             :   ulong _bank_idx;
      46             :   ulong _pack_idx;
      47             :   ulong _txn_idx;
      48             :   int _is_bundle;
      49             :   fd_acct_addr_t _alt_accts[MAX_TXN_PER_MICROBLOCK][FD_TXN_ACCT_ADDR_MAX];
      50             : 
      51             :   ulong * busy_fseq;
      52             :   ulong * pack_in_fseq;
      53             : 
      54             :   fd_wksp_t * pack_in_mem;
      55             :   ulong       pack_in_chunk0;
      56             :   ulong       pack_in_wmark;
      57             : 
      58             :   fd_execle_out_t out_poh[1];
      59             :   fd_execle_out_t out_pack[1];
      60             : 
      61             :   ulong                rebates_for_slot;
      62             :   ulong                rebate_tsorig;
      63             :   ulong                rebate_microblock_cnt;
      64             :   ulong                rebate_idle_loop_cnt;
      65             :   int                  rebate_draining;
      66             :   int                  enable_rebates;
      67             :   ulong                rebate_seed;
      68             :   fd_pack_rebate_sum_t rebater[ 1 ];
      69             : 
      70             :   fd_banks_t * banks;
      71             :   fd_accdb_t * accdb;
      72             : 
      73             :   fd_progcache_t  progcache[1];
      74             : 
      75             :   fd_runtime_t runtime[1];
      76             : 
      77             :   /* For bundle execution, we need to execute each transaction against
      78             :      a separate transaction context and a set of accounts, but the exec
      79             :      stack can be reused.  We will also use these same memory regions
      80             :      for non-bundle execution. */
      81             :   fd_txn_in_t  txn_in[ FD_PACK_MAX_TXN_PER_BUNDLE ];
      82             :   fd_txn_out_t txn_out[ FD_PACK_MAX_TXN_PER_BUNDLE ];
      83             : 
      84             :   fd_log_collector_t log_collector[ 1 ];
      85             : 
      86             :   float ns_per_tick;
      87             : 
      88             :   struct {
      89             :     /* Ticks spent loading txn accounts */
      90             :     ulong txn_load_cum_ticks;
      91             : 
      92             :     /* Ticks spent validating txn invariants (e.g. status cache, fee payer) */
      93             :     ulong txn_check_cum_ticks;
      94             : 
      95             :     /* Ticks spent executing a txn (includes any VM time) */
      96             :     ulong txn_exec_cum_ticks;
      97             : 
      98             :     /* Ticks spent committing a txn (database writes) */
      99             :     ulong txn_commit_cum_ticks;
     100             :   } metrics;
     101             : 
     102             : };
     103             : 
     104             : typedef struct fd_execle_tile fd_execle_tile_t;
     105             : 
     106             : FD_FN_CONST static inline ulong
     107           0 : scratch_align( void ) {
     108           0 :   return 128UL;
     109           0 : }
     110             : 
     111             : FD_FN_PURE static inline ulong
     112           0 : scratch_footprint( fd_topo_tile_t const * tile ) {
     113           0 :   ulong l = FD_LAYOUT_INIT;
     114           0 :   l = FD_LAYOUT_APPEND( l, alignof( fd_execle_tile_t ), sizeof( fd_execle_tile_t ) );
     115           0 :   l = FD_LAYOUT_APPEND( l, FD_BLAKE3_ALIGN,             FD_BLAKE3_FOOTPRINT );
     116           0 :   l = FD_LAYOUT_APPEND( l, FD_BMTREE_COMMIT_ALIGN,      FD_BMTREE_COMMIT_FOOTPRINT(0) );
     117           0 :   l = FD_LAYOUT_APPEND( l, fd_txncache_align(),         fd_txncache_footprint( tile->execle.max_live_slots ) );
     118           0 :   l = FD_LAYOUT_APPEND( l, fd_accdb_align(),            fd_accdb_footprint( tile->execle.max_live_slots ) );
     119           0 :   l = FD_LAYOUT_APPEND( l, FD_PROGCACHE_SCRATCH_ALIGN,  FD_PROGCACHE_SCRATCH_FOOTPRINT );
     120           0 :   return FD_LAYOUT_FINI( l, scratch_align() );
     121           0 : }
     122             : 
     123             : static inline void
     124           0 : metrics_write( fd_execle_tile_t * ctx ) {
     125           0 :   fd_accdb_flush_metrics( ctx->accdb );
     126             : 
     127           0 :   FD_MCNT_SET( EXECLE, INSTRUCTION_EXECUTED, ctx->runtime->metrics.instr_cum );
     128           0 :   FD_MCNT_SET( EXECLE, CPI_EXECUTED,         ctx->runtime->metrics.cpi_cum   );
     129             : 
     130           0 :   FD_MCNT_SET( EXECLE, CU_EXECUTED, ctx->runtime->metrics.cu_cum );
     131             : 
     132           0 :   FD_MCNT_SET( EXECLE, TXN_REGIME_DURATION_NANOS_SETUP,  ctx->metrics.txn_check_cum_ticks+ctx->metrics.txn_load_cum_ticks );
     133           0 :   FD_MCNT_SET( EXECLE, TXN_REGIME_DURATION_NANOS_EXEC,   ctx->metrics.txn_exec_cum_ticks    );
     134           0 :   FD_MCNT_SET( EXECLE, TXN_REGIME_DURATION_NANOS_COMMIT, ctx->metrics.txn_commit_cum_ticks  );
     135             : 
     136           0 :   fd_runtime_t const * runtime = ctx->runtime;
     137           0 :   ulong cpi_ticks  = runtime->metrics.cpi_setup_cum_ticks + runtime->metrics.cpi_commit_cum_ticks;
     138           0 :   ulong exec_ticks = fd_ulong_sat_sub( runtime->metrics.vm_exec_cum_ticks, cpi_ticks );
     139           0 :   FD_MCNT_SET( EXECLE, VM_REGIME_DURATION_NANOS_SETUP,       runtime->metrics.vm_setup_cum_ticks   );
     140           0 :   FD_MCNT_SET( EXECLE, VM_REGIME_DURATION_NANOS_COMMIT,      runtime->metrics.vm_commit_cum_ticks  );
     141           0 :   FD_MCNT_SET( EXECLE, VM_REGIME_DURATION_NANOS_SETUP_CPI,   runtime->metrics.cpi_setup_cum_ticks  );
     142           0 :   FD_MCNT_SET( EXECLE, VM_REGIME_DURATION_NANOS_COMMIT_CPI,  runtime->metrics.cpi_commit_cum_ticks );
     143           0 :   FD_MCNT_SET( EXECLE, VM_REGIME_DURATION_NANOS_INTERPRETER, exec_ticks                            );
     144             : 
     145           0 :   FD_PROGCACHE_METRICS_WRITE( EXECLE, ctx->progcache->metrics );
     146             : 
     147           0 :   FD_ACCDB_METRICS_WRITE( EXECLE, fd_accdb_metrics( ctx->accdb ) );
     148           0 : }
     149             : 
     150             : static inline void
     151             : after_credit( fd_execle_tile_t *  ctx,
     152             :               fd_stem_context_t * stem,
     153             :               int *               opt_poll_in,
     154           0 :               int *               charge_busy ) {
     155           0 :   fd_startup_gate_idle( ctx->startup_gate );
     156             : 
     157           0 :   if( FD_UNLIKELY( !ctx->enable_rebates || !ctx->rebate_microblock_cnt ) ) return;
     158             : 
     159           0 :   if( FD_LIKELY( !ctx->rebate_draining ) ) {
     160           0 :     if( FD_LIKELY( ctx->rebate_microblock_cnt<REBATE_BATCH_MAX_MICROBLOCKS &&
     161           0 :                    ctx->rebate_idle_loop_cnt<REBATE_BATCH_IDLE_LOOPS &&
     162           0 :                    !ctx->rebater->ib_result ) ) {
     163           0 :       ctx->rebate_idle_loop_cnt++;
     164           0 :       return;
     165           0 :     }
     166           0 :     ctx->rebate_draining = 1;
     167           0 :   }
     168             : 
     169           0 :   ulong written_sz = fd_pack_rebate_sum_report( ctx->rebater, fd_chunk_to_laddr( ctx->out_pack->mem, ctx->out_pack->chunk ) );
     170           0 :   if( FD_UNLIKELY( written_sz ) ) {
     171           0 :     ulong tspub = (ulong)fd_frag_meta_ts_comp( fd_tickcount() );
     172           0 :     fd_stem_publish( stem, ctx->out_pack->idx, ctx->rebates_for_slot, ctx->out_pack->chunk, written_sz, 0UL, ctx->rebate_tsorig, tspub );
     173           0 :     ctx->out_pack->chunk = fd_dcache_compact_next( ctx->out_pack->chunk, written_sz, ctx->out_pack->chunk0, ctx->out_pack->wmark );
     174           0 :     *opt_poll_in = 0;
     175           0 :     *charge_busy = 1;
     176           0 :   } else {
     177           0 :     ctx->rebate_microblock_cnt = 0UL;
     178           0 :     ctx->rebate_idle_loop_cnt  = 0UL;
     179           0 :     ctx->rebate_draining       = 0;
     180           0 :   }
     181           0 : }
     182             : 
     183             : static int
     184             : before_frag( fd_execle_tile_t * ctx,
     185             :              ulong              in_idx,
     186             :              ulong              seq,
     187           0 :              ulong              sig ) {
     188           0 :   (void)in_idx; (void)seq;
     189             : 
     190           0 :   fd_startup_gate_busy( ctx->startup_gate );
     191             : 
     192             :   /* Pack also outputs "leader slot done" which we can ignore. */
     193           0 :   if( FD_UNLIKELY( fd_disco_poh_sig_pkt_type( sig )!=POH_PKT_TYPE_MICROBLOCK ) ) return 1;
     194             : 
     195           0 :   ulong target_execle_kind_id = fd_disco_poh_sig_execle_tile( sig );
     196           0 :   if( FD_UNLIKELY( target_execle_kind_id!=ctx->kind_id ) ) return 1;
     197             : 
     198           0 :   return 0;
     199           0 : }
     200             : 
     201             : static inline void
     202             : during_frag( fd_execle_tile_t * ctx,
     203             :              ulong              in_idx,
     204             :              ulong              seq,
     205             :              ulong              sig,
     206             :              ulong              chunk,
     207             :              ulong              sz,
     208           0 :              ulong              ctl ) {
     209           0 :   (void)in_idx; (void)seq; (void)sig; (void)ctl;
     210             : 
     211           0 :   uchar * src = (uchar *)fd_chunk_to_laddr( ctx->pack_in_mem, chunk );
     212           0 :   uchar * dst = (uchar *)fd_chunk_to_laddr( ctx->out_poh->mem, ctx->out_poh->chunk );
     213             : 
     214           0 :   if( FD_UNLIKELY( chunk<ctx->pack_in_chunk0 || chunk>ctx->pack_in_wmark || sz>USHORT_MAX ) )
     215           0 :     FD_LOG_ERR(( "chunk %lu %lu corrupt, not in range [%lu,%lu]", chunk, sz, ctx->pack_in_chunk0, ctx->pack_in_wmark ));
     216             : 
     217             :   /* Pack sends fd_txn_e_t (with ALT accounts), but PoH expects fd_txn_p_t.
     218             :      We copy the fd_txn_p_t portion to the PoH output buffer, and copy the
     219             :      ALT accounts to the tile context for rebates. */
     220           0 :   ulong txn_cnt = (sz-sizeof(fd_microblock_execle_trailer_t))/sizeof(fd_txn_e_t);
     221           0 :   fd_txn_e_t const * src_txn_e = (fd_txn_e_t const *)src;
     222           0 :   fd_txn_p_t       * dst_txn_p = (fd_txn_p_t       *)dst;
     223           0 :   for( ulong i=0UL; i<txn_cnt; i++ ) {
     224           0 :     fd_txn_p_t const * s = src_txn_e[i].txnp;
     225           0 :     fd_txn_p_t *       d = dst_txn_p + i;
     226           0 :     fd_txn_t const *   t = TXN( s );
     227           0 :     ulong payload_sz = fd_ulong_min( s->payload_sz, FD_TPU_MTU );
     228           0 :     ulong txn_sz     = fd_ulong_min( fd_txn_footprint( t->instr_cnt, t->addr_table_lookup_cnt ), FD_TXN_MAX_SZ );
     229           0 :     fd_memcpy( d->payload,     s->payload,     payload_sz );
     230           0 :     fd_memcpy( &d->payload_sz, &s->payload_sz, offsetof(fd_txn_p_t, _)-offsetof(fd_txn_p_t, payload_sz) );
     231           0 :     fd_memcpy( d->_,           s->_,           txn_sz );
     232           0 :     ulong alt_cnt = fd_ulong_min( (ulong)t->addr_table_adtl_cnt, FD_TXN_ACCT_ADDR_MAX );
     233           0 :     fd_memcpy( ctx->_alt_accts[i], src_txn_e[i].alt_accts, alt_cnt * sizeof(fd_acct_addr_t) );
     234           0 :   }
     235             : 
     236           0 :   fd_microblock_execle_trailer_t * trailer = (fd_microblock_execle_trailer_t *)( src+sz-sizeof(fd_microblock_execle_trailer_t) );
     237           0 :   ctx->_bank_idx  = trailer->bank_idx;
     238           0 :   ctx->_pack_idx  = trailer->pack_idx;
     239           0 :   ctx->_txn_idx   = trailer->pack_txn_idx;
     240           0 :   ctx->_is_bundle = trailer->is_bundle;
     241           0 : }
     242             : 
     243             : static void
     244             : hash_transactions( void *       mem,
     245             :                    fd_txn_p_t * txns,
     246             :                    ulong        txn_cnt,
     247           0 :                    uchar *      mixin ) {
     248           0 :   fd_bmtree_commit_t * bmtree = fd_bmtree_commit_init( mem, 32UL, 1UL, 0UL );
     249           0 :   for( ulong i=0UL; i<txn_cnt; i++ ) {
     250           0 :     fd_txn_p_t * _txn = txns + i;
     251           0 :     if( FD_UNLIKELY( !(_txn->flags & FD_TXN_P_FLAGS_EXECUTE_SUCCESS) ) ) continue;
     252             : 
     253           0 :     fd_txn_t * txn = TXN(_txn);
     254           0 :     for( ulong j=0; j<txn->signature_cnt; j++ ) {
     255           0 :       fd_bmtree_node_t node[1];
     256           0 :       fd_bmtree_hash_leaf( node, _txn->payload+txn->signature_off+64UL*j, 64UL, 1UL );
     257           0 :       fd_bmtree_commit_append( bmtree, node, 1UL );
     258           0 :     }
     259           0 :   }
     260           0 :   if( FD_LIKELY( fd_bmtree_commit_leaf_cnt( bmtree ) ) ) {
     261           0 :     uchar * root = fd_bmtree_commit_fini( bmtree );
     262           0 :     fd_memcpy( mixin, root, 32UL );
     263           0 :   } else {
     264           0 :     fd_memset( mixin, 0, 32UL );
     265             :     /* If FD_HAS_MSAN, poison so we can detect if this is ever accessed upstream, even though it should never be.  In production, this is a no-op. */
     266           0 :     fd_msan_poison( mixin, 32UL );
     267           0 :   }
     268           0 : }
     269             : 
     270             : static inline void
     271             : handle_microblock( fd_execle_tile_t *  ctx,
     272             :                    ulong               seq,
     273             :                    ulong               sig,
     274             :                    ulong               sz,
     275             :                    ulong               begin_tspub,
     276           0 :                    fd_stem_context_t * stem ) {
     277           0 :   uchar * dst = (uchar *)fd_chunk_to_laddr( ctx->out_poh->mem, ctx->out_poh->chunk );
     278             : 
     279           0 :   ulong slot = fd_disco_poh_sig_slot( sig );
     280           0 :   ulong txn_cnt = (sz-sizeof(fd_microblock_execle_trailer_t))/sizeof(fd_txn_e_t);
     281             : 
     282           0 :   fd_bank_t * bank = fd_banks_bank_query( ctx->banks, ctx->_bank_idx );
     283           0 :   FD_TEST( bank );
     284           0 :   ulong bank_slot = bank->f.slot;
     285           0 :   FD_TEST( bank_slot==slot );
     286             : 
     287           0 :   fd_microblock_trailer_t * trailer = (fd_microblock_trailer_t *)( dst + txn_cnt*sizeof(fd_txn_p_t) );
     288           0 :   trailer->txn_ns_dt        = (fd_txn_ns_dt_t){0};
     289           0 :   trailer->bank_seq         = bank->bank_seq;
     290           0 :   trailer->exec_end_ticks   = LONG_MAX;
     291             : 
     292             :   /* exec_start_ticks is the first transaction's load_start_ticks (an
     293             :      empty microblock reads the clock itself); microblock_start_ticks
     294             :      stays pack's publish time, decompressed against it. */
     295           0 :   long exec_start_ticks       = txn_cnt ? 0L : fd_tickcount();
     296           0 :   long microblock_start_ticks = txn_cnt ? 0L : fd_frag_meta_ts_decomp( begin_tspub, exec_start_ticks );
     297           0 :   long last_ticks             = exec_start_ticks;
     298             : 
     299           0 :   for( ulong i=0UL; i<txn_cnt; i++ ) {
     300           0 :     fd_txn_p_t *   txn     = (fd_txn_p_t *)( dst + (i*sizeof(fd_txn_p_t)) );
     301           0 :     fd_txn_in_t *  txn_in  = &ctx->txn_in[ 0 ];
     302           0 :     fd_txn_out_t * txn_out = &ctx->txn_out[ 0 ];
     303             : 
     304           0 :     uint const requested_exec_plus_acct_data_cus = txn->pack_cu.requested_exec_plus_acct_data_cus;
     305           0 :     uint const non_execution_cus                 = txn->pack_cu.non_execution_cus;
     306             : 
     307             :     /* Assume failure, set below if success.  If it doesn't land in the
     308             :        block, rebate the non-execution CUs too. */
     309           0 :     txn->execle_cu.actual_consumed_cus = 0U;
     310           0 :     txn->execle_cu.rebated_cus = requested_exec_plus_acct_data_cus + non_execution_cus;
     311           0 :     txn->flags &= ~FD_TXN_P_FLAGS_SANITIZE_SUCCESS;
     312           0 :     txn->flags &= ~FD_TXN_P_FLAGS_EXECUTE_SUCCESS;
     313             : 
     314           0 :     txn_in->bundle.is_bundle = 0;
     315           0 :     txn_in->txn              = txn;
     316           0 :     txn_in->index_in_slot    = ctx->_txn_idx + i;
     317             : 
     318           0 :     fd_runtime_prepare_and_execute_txn( ctx->runtime, bank, txn_in, txn_out );
     319             : 
     320           0 :     if( FD_UNLIKELY( !i ) ) {
     321           0 :       exec_start_ticks       = txn_out->details.load_start_ticks;
     322           0 :       microblock_start_ticks = fd_frag_meta_ts_decomp( begin_tspub, exec_start_ticks );
     323           0 :       last_ticks             = exec_start_ticks;
     324           0 :     }
     325             : 
     326             :     /* Stash the result in the flags value so that pack can inspect it. */
     327           0 :     txn->flags = (txn->flags & 0x00FFFFFFU) | ((uint)(-txn_out->err.txn_err)<<24);
     328             : 
     329             :     /* Drop no-op transactions, we don't want to include these as they
     330             :        charge no fees. */
     331           0 :     if( FD_UNLIKELY( txn_out->err.is_noop ) ) {
     332           0 :       txn_out->err.is_committable = 0;
     333           0 :     }
     334             : 
     335           0 :     fd_metrics_tl[ MIDX( COUNTER, EXECLE, TXN_VERSION )+fd_execle_version_from_txn( TXN( txn ) ) ]++;
     336             : 
     337           0 :     if( FD_UNLIKELY( !txn_out->err.is_committable ) ) {
     338           0 :       FD_TEST( !txn_out->err.is_fees_only );
     339           0 :       fd_runtime_cancel_txn( ctx->runtime, bank, txn_in, txn_out );
     340             :       /* Use pre-resolved ALT accounts for rebates even for unlanded transactions */
     341           0 :       fd_acct_addr_t const * writable_alt = ctx->_alt_accts[i];
     342           0 :       if( FD_LIKELY( ctx->enable_rebates ) ) fd_pack_rebate_sum_add_txn( ctx->rebater, txn, &writable_alt, 1UL );
     343           0 :       fd_metrics_tl[ MIDX( COUNTER, EXECLE, TXN_LANDED )+FD_METRICS_ENUM_TRANSACTION_LANDED_V_UNLANDED_IDX ]++;
     344           0 :       fd_metrics_tl[ MIDX( COUNTER, EXECLE, TXN_RESULT )+(ulong)fd_execle_err_from_runtime_err( txn_out->err.txn_err ) ]++;
     345           0 :       last_ticks = fd_tickcount();
     346           0 :       continue;
     347           0 :     }
     348             : 
     349             :     /* Check for FeesOnly transactions where actual CUs exceed
     350             :        requested.  This can happen for durable nonce transactions
     351             :        with oversized nonce accounts.  Skip the commit to prevent
     352             :        underflow in the rebate computation.  The transaction keeps its
     353             :        default full rebate set at the top of the loop. */
     354           0 :     if( FD_UNLIKELY( txn_out->err.is_fees_only ) ) {
     355           0 :       uint fee_only_actual_exec_cus = (uint)(txn_out->details.compute_budget.compute_unit_limit - txn_out->details.compute_budget.compute_meter);
     356           0 :       uint fee_only_actual_data_cus = (uint)(txn_out->details.txn_cost.transaction.loaded_accounts_data_size_cost);
     357           0 :       if( FD_UNLIKELY( fee_only_actual_exec_cus + fee_only_actual_data_cus > requested_exec_plus_acct_data_cus ) ) {
     358           0 :         FD_LOG_WARNING(( "FeesOnly txn actual CUs (%u+%u) exceed requested (%u), dropping",
     359           0 :                          fee_only_actual_exec_cus, fee_only_actual_data_cus, requested_exec_plus_acct_data_cus ));
     360           0 :         txn_out->err.is_committable = 0;
     361           0 :         fd_runtime_cancel_txn( ctx->runtime, bank, txn_in, txn_out );
     362             :         /* txn->execle_cu already initialized to full rebate at top of loop */
     363           0 :         fd_acct_addr_t const * writable_alt = ctx->_alt_accts[i];
     364           0 :         if( FD_LIKELY( ctx->enable_rebates ) ) fd_pack_rebate_sum_add_txn( ctx->rebater, txn, &writable_alt, 1UL );
     365           0 :         fd_metrics_tl[ MIDX( COUNTER, EXECLE, TXN_LANDED )+FD_METRICS_ENUM_TRANSACTION_LANDED_V_UNLANDED_IDX ]++;
     366           0 :         fd_metrics_tl[ MIDX( COUNTER, EXECLE, TXN_RESULT )+(ulong)fd_execle_err_from_runtime_err( txn_out->err.txn_err ) ]++;
     367             :         /* FD_TXN_P_FLAGS_EXECUTE_SUCCESS = 0 ensures txn won't be
     368             :            mixed-in by POH */
     369           0 :         last_ticks = fd_tickcount();
     370           0 :         continue;
     371           0 :       }
     372           0 :     }
     373             : 
     374           0 :     if( FD_UNLIKELY( txn_out->err.is_fees_only ) ) fd_metrics_tl[ MIDX( COUNTER, EXECLE, TXN_LANDED )+FD_METRICS_ENUM_TRANSACTION_LANDED_V_LANDED_FEES_ONLY_IDX ]++;
     375           0 :     else if( FD_UNLIKELY( txn_out->err.txn_err ) ) fd_metrics_tl[ MIDX( COUNTER, EXECLE, TXN_LANDED )+FD_METRICS_ENUM_TRANSACTION_LANDED_V_LANDED_FAILED_IDX ]++;
     376           0 :     else                                           fd_metrics_tl[ MIDX( COUNTER, EXECLE, TXN_LANDED )+FD_METRICS_ENUM_TRANSACTION_LANDED_V_LANDED_SUCCESS_IDX ]++;
     377             : 
     378             :     /* TXN_P_FLAGS_EXECUTE_SUCCESS means that it should be included in
     379             :        the block.  It's a bit of a misnomer now that there are fee-only
     380             :        transactions. */
     381           0 :     txn->flags |= FD_TXN_P_FLAGS_EXECUTE_SUCCESS | FD_TXN_P_FLAGS_SANITIZE_SUCCESS;
     382           0 :     fd_metrics_tl[ MIDX( COUNTER, EXECLE, TXN_RESULT )+(ulong)fd_execle_err_from_runtime_err( txn_out->err.txn_err ) ]++;
     383             : 
     384             :     /* Commit must succeed so no failure path.  Once commit is called,
     385             :        the transactions MUST be mixed into the PoH otherwise we will
     386             :        fork and diverge, so the link from here til PoH mixin must be
     387             :        completely reliable with nothing dropped.
     388             : 
     389             :        fd_runtime_commit_txn checks if the transaction fits into the
     390             :        block with the cost tracker.  If it doesn't fit, flags is set to
     391             :        zero.  A key invariant of the leader pipeline is that pack
     392             :        ensures all transactions must fit already, so it is a fatal error
     393             :        if that happens.  We cannot reject the transaction here as there
     394             :        would be no way to undo the partially applied changes to the bank
     395             :        in finalize anyway. */
     396           0 :     fd_runtime_commit_txn( ctx->runtime, bank, txn_in, txn_out );
     397             : 
     398           0 :     long const txn_end_ticks = fd_tickcount();
     399           0 :     last_ticks = txn_end_ticks;
     400             : 
     401           0 :     ulong const load_ticks_dt   = fd_ulong_if( txn_out->details.check_start_ticks==LONG_MAX  || txn_out->details.load_start_ticks==LONG_MAX,   0UL, (ulong)( txn_out->details.check_start_ticks  - txn_out->details.load_start_ticks   ) );
     402           0 :     ulong const check_ticks_dt  = fd_ulong_if( txn_out->details.exec_start_ticks==LONG_MAX   || txn_out->details.check_start_ticks==LONG_MAX,  0UL, (ulong)( txn_out->details.exec_start_ticks   - txn_out->details.check_start_ticks  ) );
     403           0 :     ulong const exec_ticks_dt   = fd_ulong_if( txn_out->details.commit_start_ticks==LONG_MAX || txn_out->details.exec_start_ticks==LONG_MAX,   0UL, (ulong)( txn_out->details.commit_start_ticks - txn_out->details.exec_start_ticks   ) );
     404           0 :     ulong const commit_ticks_dt = fd_ulong_if( txn_end_ticks==LONG_MAX                       || txn_out->details.commit_start_ticks==LONG_MAX, 0UL, (ulong)( txn_end_ticks                       - txn_out->details.commit_start_ticks ) );
     405             : 
     406           0 :     ctx->metrics.txn_load_cum_ticks   += load_ticks_dt;
     407           0 :     ctx->metrics.txn_check_cum_ticks  += check_ticks_dt;
     408           0 :     ctx->metrics.txn_exec_cum_ticks   += exec_ticks_dt;
     409           0 :     ctx->metrics.txn_commit_cum_ticks += commit_ticks_dt;
     410             : 
     411           0 :     trailer->txn_ns_dt.load_start   = fd_float_if( txn_out->details.load_start_ticks==LONG_MAX,   0.,                              (float)fd_long_max( 0L, txn_out->details.load_start_ticks   - microblock_start_ticks ) * ctx->ns_per_tick );
     412           0 :     trailer->txn_ns_dt.check_start  = fd_float_if( txn_out->details.check_start_ticks==LONG_MAX,  trailer->txn_ns_dt.load_start,   (float)fd_long_max( 0L, txn_out->details.check_start_ticks  - microblock_start_ticks ) * ctx->ns_per_tick );
     413           0 :     trailer->txn_ns_dt.exec_start   = fd_float_if( txn_out->details.exec_start_ticks==LONG_MAX,   trailer->txn_ns_dt.check_start,  (float)fd_long_max( 0L, txn_out->details.exec_start_ticks   - microblock_start_ticks ) * ctx->ns_per_tick );
     414           0 :     trailer->txn_ns_dt.commit_start = fd_float_if( txn_out->details.commit_start_ticks==LONG_MAX, trailer->txn_ns_dt.exec_start,   (float)fd_long_max( 0L, txn_out->details.commit_start_ticks - microblock_start_ticks ) * ctx->ns_per_tick );
     415           0 :     trailer->txn_ns_dt.commit_end   = fd_float_if( txn_end_ticks==LONG_MAX,                       trailer->txn_ns_dt.commit_start, (float)fd_long_max( 0L, txn_end_ticks                       - microblock_start_ticks ) * ctx->ns_per_tick );
     416           0 :     trailer->exec_end_ticks         = txn_end_ticks;
     417             : 
     418           0 :     if( FD_UNLIKELY( !txn_out->err.is_committable ) ) {
     419             :       /* If the transaction failed to fit into the block, we need to
     420             :          updated the transaction flag with the error code. */
     421           0 :       txn->flags = (txn->flags & 0x00FFFFFFU) | ((uint)(-txn_out->err.txn_err)<<24);
     422           0 :       fd_cost_tracker_t * cost_tracker = fd_bank_cost_tracker_modify( bank );
     423           0 :       uchar * signature = (uchar *)txn_in->txn->payload + TXN( txn_in->txn )->signature_off;
     424           0 :       int err = fd_cost_tracker_try_add_cost( cost_tracker, txn_out );
     425           0 :       FD_LOG_HEXDUMP_WARNING(( "txn", txn->payload, txn->payload_sz ));
     426           0 :       FD_BASE58_ENCODE_64_BYTES( signature, signature_b58 );
     427           0 :       FD_LOG_CRIT(( "transaction %s failed to fit into block despite pack guaranteeing it would "
     428           0 :                     "(res=%d) [block_cost=%lu, allocated_accounts_data_size=%lu, "
     429           0 :                     "block_cost_limit=%lu, account_cost_limit=%lu]",
     430           0 :                     signature_b58, err, cost_tracker->block_cost,
     431           0 :                     cost_tracker->allocated_accounts_data_size,
     432           0 :                     cost_tracker->block_cost_limit,
     433           0 :                     cost_tracker->account_cost_limit ));
     434           0 :     }
     435             : 
     436           0 :     uint actual_execution_cus = (uint)(txn_out->details.compute_budget.compute_unit_limit - txn_out->details.compute_budget.compute_meter);
     437           0 :     uint actual_acct_data_cus = (uint)(txn_out->details.txn_cost.transaction.loaded_accounts_data_size_cost);
     438             : 
     439             :     /* The VM will stop executing and fail an instruction immediately if
     440             :        it exceeds its requested CUs.  A transaction which requests less
     441             :        account data than it actually consumes will fail in the account
     442             :        loading stage. */
     443           0 :     if( FD_UNLIKELY( actual_execution_cus + actual_acct_data_cus > requested_exec_plus_acct_data_cus ) ) {
     444           0 :       uchar * _signature = (uchar *)txn->payload + TXN( txn )->signature_off;
     445           0 :       FD_BASE58_ENCODE_64_BYTES( _signature, _signature_b58 );
     446           0 :       fd_cost_tracker_t const * _ct = fd_bank_cost_tracker_query( bank );
     447           0 :       FD_LOG_HEXDUMP_WARNING(( "txn", txn->payload, txn->payload_sz ));
     448           0 :       FD_LOG_ERR(( "transaction %s actual CUs (%u+%u) exceeded requested (%u) despite pack guaranteeing it would fit "
     449           0 :                    "[is_simple_vote=%i, is_fees_only=%i, block_cost=%lu, block_cost_limit=%lu, account_cost_limit=%lu]",
     450           0 :                    _signature_b58, actual_execution_cus, actual_acct_data_cus, requested_exec_plus_acct_data_cus,
     451           0 :                    fd_txn_is_simple_vote_transaction( TXN(txn), txn->payload ),
     452           0 :                    txn_out->err.is_fees_only, _ct->block_cost, _ct->block_cost_limit, _ct->account_cost_limit ));
     453           0 :     }
     454             : 
     455           0 :     txn->execle_cu.rebated_cus         = requested_exec_plus_acct_data_cus - (actual_execution_cus + actual_acct_data_cus);
     456           0 :     txn->execle_cu.actual_consumed_cus = non_execution_cus + actual_execution_cus + actual_acct_data_cus;
     457             : 
     458             :     /* Use ALT accounts copied in during_frag for rebates.
     459             :        These were resolved by resolv_tile and are needed because the LUT
     460             :        may be deactivated by the time we get here. */
     461           0 :     fd_acct_addr_t const * writable_alt = ctx->_alt_accts[i];
     462           0 :     if( FD_LIKELY( ctx->enable_rebates ) ) fd_pack_rebate_sum_add_txn( ctx->rebater, txn, &writable_alt, 1UL );
     463           0 :   }
     464             : 
     465             :   /* Indicate to pack tile we are done processing the transactions so
     466             :      it can pack new microblocks using these accounts. */
     467           0 :   fd_fseq_update( ctx->busy_fseq, seq );
     468             : 
     469             :   /* Now produce the merkle hash of the transactions for inclusion
     470             :      (mixin) to the PoH hash.  This is done on the execle tile because
     471             :      it shards / scales horizontally here, while PoH does not. */
     472           0 :   hash_transactions( ctx->bmtree, (fd_txn_p_t*)dst, txn_cnt, trailer->hash );
     473           0 :   trailer->pack_txn_idx     = ctx->_txn_idx;
     474           0 :   trailer->tips             = ctx->txn_out[ 0 ].details.tips;
     475           0 :   trailer->exec_start_ticks = exec_start_ticks;
     476             : 
     477             :   /* When sending MAX_TXN_PER_MICROBLOCK transactions as fd_txn_p_t to PoH,
     478             :      there's always extra bytes at the end to stash the trailer. */
     479           0 :   FD_STATIC_ASSERT( MAX_MICROBLOCK_SZ-(MAX_TXN_PER_MICROBLOCK*sizeof(fd_txn_p_t))>=sizeof(fd_microblock_trailer_t), poh_shred_mtu );
     480           0 :   FD_STATIC_ASSERT( MAX_MICROBLOCK_SZ-(MAX_TXN_PER_MICROBLOCK*sizeof(fd_txn_p_t))>=sizeof(fd_microblock_execle_trailer_t), poh_shred_mtu );
     481             : 
     482           0 :   ulong execle_sig = fd_disco_execle_sig( slot, ctx->_pack_idx );
     483             : 
     484             :   /* We always need to publish, even if there are no successfully executed
     485             :      transactions so the PoH tile can keep an accurate count of microblocks
     486             :      it has seen.  PoH ignores tspub and the GUI takes it as the end of
     487             :      execution, which every path through the loop leaves in last_ticks. */
     488           0 :   ulong new_sz = txn_cnt*sizeof(fd_txn_p_t) + sizeof(fd_microblock_trailer_t);
     489           0 :   fd_stem_publish( stem, ctx->out_poh->idx, execle_sig, ctx->out_poh->chunk, new_sz, 0UL, (ulong)fd_frag_meta_ts_comp( microblock_start_ticks ), (ulong)fd_frag_meta_ts_comp( last_ticks ) );
     490           0 :   ctx->out_poh->chunk = fd_dcache_compact_next( ctx->out_poh->chunk, new_sz, ctx->out_poh->chunk0, ctx->out_poh->wmark );
     491           0 : }
     492             : 
     493             : static inline void
     494             : handle_bundle( fd_execle_tile_t *  ctx,
     495             :                ulong               seq,
     496             :                ulong               sig,
     497             :                ulong               sz,
     498             :                ulong               begin_tspub,
     499           0 :                fd_stem_context_t * stem ) {
     500           0 :   long const bundle_start_ticks     = fd_tickcount();
     501           0 :   long const microblock_start_ticks = fd_frag_meta_ts_decomp( begin_tspub, bundle_start_ticks );
     502             : 
     503           0 :   fd_txn_p_t * txns = (fd_txn_p_t *)fd_chunk_to_laddr( ctx->out_poh->mem, ctx->out_poh->chunk );
     504             : 
     505           0 :   ulong slot = fd_disco_poh_sig_slot( sig );
     506           0 :   ulong txn_cnt = (sz-sizeof(fd_microblock_execle_trailer_t))/sizeof(fd_txn_e_t);
     507             : 
     508           0 :   fd_bank_t * bank = fd_banks_bank_query( ctx->banks, ctx->_bank_idx );
     509           0 :   FD_TEST( bank );
     510           0 :   ulong bank_slot = bank->f.slot;
     511           0 :   FD_TEST( bank_slot==slot );
     512             : 
     513           0 :   fd_acct_addr_t const * writable_alt [ MAX_TXN_PER_MICROBLOCK ];
     514           0 :   ulong                  tips         [ MAX_TXN_PER_MICROBLOCK ] = { 0U };
     515           0 :   long                   txn_end_ticks[ MAX_TXN_PER_MICROBLOCK ];
     516           0 :   for( ulong i=0UL; i<MAX_TXN_PER_MICROBLOCK; i++ ) txn_end_ticks[ i ] = LONG_MAX;
     517             : 
     518             :   /* Pre-populate ALT accounts for all transactions for rebates.
     519             :      These were copied in during_frag from the source fd_txn_e_t,
     520             :      resolved by fd_resolv_tile. */
     521           0 :   for( ulong i=0UL; i<txn_cnt; i++ ) {
     522           0 :     writable_alt[i]                   = ctx->_alt_accts[i];
     523           0 :     ctx->txn_in[ i ].txn              = &txns[ i ];
     524           0 :     ctx->txn_in[ i ].bundle.is_bundle = 1;
     525           0 :     ctx->txn_in[ i ].index_in_slot    = ctx->_txn_idx + i;
     526           0 :   }
     527             : 
     528           0 :   int   execution_success = 1;
     529           0 :   ulong failed_idx        = ULONG_MAX;
     530             : 
     531             :   /* Acquire all accdb resources in order to execute the bundle. */
     532           0 :   int setup_bundle = 1;
     533           0 :   int err = fd_runtime_prepare_bundle_accounts( ctx->runtime, bank, ctx->txn_in, ctx->txn_out, txn_cnt );
     534           0 :   if( FD_UNLIKELY( err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
     535           0 :     execution_success = 0;
     536           0 :     failed_idx        = 0;
     537           0 :     setup_bundle      = 0;
     538           0 :   }
     539             : 
     540             :   /* Every transaction in the bundle should be executed in order against
     541             :      different transaction contexts. */
     542           0 :   for( ulong i=0UL; i<txn_cnt; i++ ) {
     543             : 
     544           0 :     fd_txn_p_t *   txn     = &txns[ i ];
     545           0 :     fd_txn_in_t *  txn_in  = &ctx->txn_in[ i ];
     546           0 :     fd_txn_out_t * txn_out = &ctx->txn_out[ i ];
     547             : 
     548           0 :     txn_out->err.txn_err = FD_RUNTIME_EXECUTE_SUCCESS;
     549             : 
     550           0 :     txn->flags &= ~FD_TXN_P_FLAGS_SANITIZE_SUCCESS;
     551           0 :     txn->flags &= ~FD_TXN_P_FLAGS_EXECUTE_SUCCESS;
     552             : 
     553           0 :     if( execution_success==0 ) {
     554           0 :       txn->flags = (txn->flags & 0x00FFFFFFU) | ((uint)(-FD_RUNTIME_TXN_ERR_BUNDLE_PEER)<<24);
     555           0 :       continue;
     556           0 :     }
     557             : 
     558           0 :     txn_in->txn              = txn;
     559           0 :     txn_in->bundle.is_bundle = 1;
     560             : 
     561           0 :     fd_runtime_prepare_and_execute_txn( ctx->runtime, bank, txn_in, txn_out );
     562             : 
     563           0 :     txn->flags = (txn->flags & 0x00FFFFFFU) | ((uint)(-txn_out->err.txn_err)<<24);
     564           0 :     if( FD_UNLIKELY( !txn_out->err.is_committable || txn_out->err.txn_err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
     565           0 :       execution_success = 0;
     566           0 :       failed_idx = i;
     567           0 :       continue;
     568           0 :     }
     569           0 :   }
     570             : 
     571             :   /* If all of the transactions in the bundle executed successfully, we
     572             :      can commit the transactions in order.  At this point, we can also
     573             :      accumulate unused CUs to the rebate.  Otherwise, if any transaction
     574             :      fails, we need to exclude all the bundle transactions and rebate
     575             :      all of the CUs. */
     576           0 :   if( FD_LIKELY( execution_success ) ) {
     577           0 :     for( ulong i=0UL; i<txn_cnt; i++ ) {
     578             : 
     579           0 :       fd_txn_in_t *  txn_in    = &ctx->txn_in[ i ];
     580           0 :       fd_txn_out_t * txn_out   = &ctx->txn_out[ i ];
     581           0 :       uchar *        signature = (uchar *)txn_in->txn->payload + TXN( txn_in->txn )->signature_off;
     582             : 
     583           0 :       fd_runtime_commit_txn( ctx->runtime, bank, txn_in, txn_out );
     584             : 
     585           0 :       txn_end_ticks[ i ] = fd_tickcount();
     586             : 
     587           0 :       if( FD_UNLIKELY( !txn_out->err.is_committable ) ) {
     588           0 :         txns[ i ].flags = (txns[ i ].flags & 0x00FFFFFFU) | ((uint)(-txn_out->err.txn_err)<<24);
     589           0 :         fd_cost_tracker_t * cost_tracker = fd_bank_cost_tracker_modify( bank );
     590           0 :         int err = fd_cost_tracker_try_add_cost( cost_tracker, txn_out );
     591           0 :         FD_LOG_HEXDUMP_WARNING(( "txn", txns[ i ].payload, txns[ i ].payload_sz ));
     592           0 :         FD_BASE58_ENCODE_64_BYTES( signature, signature_b58 );
     593           0 :         FD_LOG_CRIT(( "transaction %s failed to fit into block despite pack guaranteeing it would "
     594           0 :                       "(res=%d) [block_cost=%lu, allocated_accounts_data_size=%lu, "
     595           0 :                       "block_cost_limit=%lu, account_cost_limit=%lu]",
     596           0 :                       signature_b58, err, cost_tracker->block_cost,
     597           0 :                       cost_tracker->allocated_accounts_data_size,
     598           0 :                       cost_tracker->block_cost_limit, cost_tracker->account_cost_limit ));
     599           0 :       }
     600             : 
     601           0 :       uint actual_execution_cus              = (uint)(txn_out->details.compute_budget.compute_unit_limit - txn_out->details.compute_budget.compute_meter);
     602           0 :       uint actual_acct_data_cus              = (uint)(txn_out->details.txn_cost.transaction.loaded_accounts_data_size_cost);
     603           0 :       uint non_execution_cus                 = txns[ i ].pack_cu.non_execution_cus;
     604           0 :       uint requested_exec_plus_acct_data_cus = txns[ i ].pack_cu.requested_exec_plus_acct_data_cus;
     605             : 
     606           0 :       if( FD_UNLIKELY( actual_execution_cus + actual_acct_data_cus > requested_exec_plus_acct_data_cus ) ) {
     607           0 :         FD_BASE58_ENCODE_64_BYTES( signature, signature_b58 );
     608           0 :         fd_cost_tracker_t const * _ct = fd_bank_cost_tracker_query( bank );
     609           0 :         FD_LOG_HEXDUMP_WARNING(( "txn", txns[ i ].payload, txns[ i ].payload_sz ));
     610           0 :         FD_LOG_ERR(( "transaction %s actual CUs (%u+%u) exceeded requested (%u) despite pack guaranteeing it would "
     611           0 :                      "fit [block_cost=%lu, block_cost_limit=%lu, account_cost_limit=%lu]",
     612           0 :                      signature_b58, actual_execution_cus, actual_acct_data_cus, requested_exec_plus_acct_data_cus,
     613           0 :                      _ct->block_cost, _ct->block_cost_limit, _ct->account_cost_limit ));
     614           0 :       }
     615           0 :       txns[ i ].execle_cu.rebated_cus         = requested_exec_plus_acct_data_cus - (actual_execution_cus + actual_acct_data_cus);
     616           0 :       txns[ i ].execle_cu.actual_consumed_cus = non_execution_cus + actual_execution_cus + actual_acct_data_cus;
     617             : 
     618           0 :       txns[ i ].flags                        |= FD_TXN_P_FLAGS_EXECUTE_SUCCESS | FD_TXN_P_FLAGS_SANITIZE_SUCCESS;
     619           0 :       tips[ i ]                               = txn_out->details.tips;
     620             : 
     621           0 :       fd_metrics_tl[ MIDX( COUNTER, EXECLE, TXN_LANDED )+FD_METRICS_ENUM_TRANSACTION_LANDED_V_LANDED_SUCCESS_IDX ]++;
     622           0 :       fd_metrics_tl[ MIDX( COUNTER, EXECLE, TXN_RESULT )+FD_METRICS_ENUM_TRANSACTION_RESULT_V_SUCCESS_IDX ]++;
     623           0 :       fd_metrics_tl[ MIDX( COUNTER, EXECLE, TXN_VERSION )+fd_execle_version_from_txn( TXN( &txns[ i ] ) ) ]++;
     624           0 :     }
     625           0 :   } else {
     626           0 :     FD_TEST( failed_idx != ULONG_MAX );
     627             :     /* A failed bundle is dropped in its entirety: every transaction is
     628             :        marked non-committable and none of them land in the block. We
     629             :        intentionally do NOT emit runtime_txn events here */
     630           0 :     for( ulong i=0UL; i<txn_cnt; i++ ) {
     631             : 
     632           0 :       ctx->txn_out[ i ].err.is_committable = 0;
     633             : 
     634           0 :       if( i>failed_idx ) {
     635           0 :         ctx->txn_out[ i ].details.load_start_ticks   = LONG_MAX;
     636           0 :         ctx->txn_out[ i ].details.check_start_ticks  = LONG_MAX;
     637           0 :         ctx->txn_out[ i ].details.exec_start_ticks   = LONG_MAX;
     638           0 :         ctx->txn_out[ i ].details.commit_start_ticks = LONG_MAX;
     639           0 :       }
     640             : 
     641           0 :       uint requested_exec_plus_acct_data_cus  = txns[ i ].pack_cu.requested_exec_plus_acct_data_cus;
     642           0 :       uint non_execution_cus                  = txns[ i ].pack_cu.non_execution_cus;
     643           0 :       txns[ i ].execle_cu.actual_consumed_cus = 0U;
     644           0 :       txns[ i ].execle_cu.rebated_cus         = requested_exec_plus_acct_data_cus + non_execution_cus;
     645           0 :       tips[ i ]                               = 0UL;
     646           0 :       txns[ i ].flags = fd_uint_if( !!(txns[ i ].flags>>24), txns[ i ].flags, txns[ i ].flags | ((uint)(-FD_RUNTIME_TXN_ERR_BUNDLE_PEER)<<24) );
     647             : 
     648           0 :       fd_metrics_tl[ MIDX( COUNTER, EXECLE, TXN_LANDED )+FD_METRICS_ENUM_TRANSACTION_LANDED_V_UNLANDED_IDX ]++;
     649           0 :       if( i==failed_idx ) fd_metrics_tl[ MIDX( COUNTER, EXECLE, TXN_RESULT )+(ulong)fd_execle_err_from_runtime_err( ctx->txn_out[ i ].err.txn_err ) ]++;
     650           0 :       else                fd_metrics_tl[ MIDX( COUNTER, EXECLE, TXN_RESULT )+FD_METRICS_ENUM_TRANSACTION_RESULT_V_BUNDLE_PEER_IDX ]++;
     651           0 :       fd_metrics_tl[ MIDX( COUNTER, EXECLE, TXN_VERSION )+fd_execle_version_from_txn( TXN( &txns[ i ] ) ) ]++;
     652           0 :     }
     653           0 :   }
     654             : 
     655           0 :   if( FD_LIKELY( setup_bundle ) ) fd_runtime_fini_bundle( ctx->runtime );
     656             : 
     657           0 :   if( FD_LIKELY( ctx->enable_rebates ) ) fd_pack_rebate_sum_add_txn( ctx->rebater, txns, writable_alt, txn_cnt );
     658             : 
     659           0 :   for( ulong i=0UL; i<txn_cnt; i++ ) {
     660           0 :     fd_txn_out_t const * txn_out = &ctx->txn_out[ i ];
     661             : 
     662           0 :     ctx->metrics.txn_load_cum_ticks   += fd_ulong_if( txn_out->details.check_start_ticks==LONG_MAX  || txn_out->details.load_start_ticks==LONG_MAX,   0UL, (ulong)( txn_out->details.check_start_ticks  - txn_out->details.load_start_ticks   ) );
     663           0 :     ctx->metrics.txn_check_cum_ticks  += fd_ulong_if( txn_out->details.exec_start_ticks==LONG_MAX   || txn_out->details.check_start_ticks==LONG_MAX,  0UL, (ulong)( txn_out->details.exec_start_ticks   - txn_out->details.check_start_ticks  ) );
     664           0 :     ctx->metrics.txn_exec_cum_ticks   += fd_ulong_if( txn_out->details.commit_start_ticks==LONG_MAX || txn_out->details.exec_start_ticks==LONG_MAX,   0UL, (ulong)( txn_out->details.commit_start_ticks - txn_out->details.exec_start_ticks   ) );
     665           0 :     ctx->metrics.txn_commit_cum_ticks += fd_ulong_if( txn_end_ticks[ i ]==LONG_MAX                  || txn_out->details.commit_start_ticks==LONG_MAX, 0UL, (ulong)( txn_end_ticks[ i ]                  - txn_out->details.commit_start_ticks ) );
     666           0 :   }
     667             : 
     668             :   /* Indicate to pack tile we are done processing the transactions so
     669             :      it can pack new microblocks using these accounts. */
     670           0 :   fd_fseq_update( ctx->busy_fseq, seq );
     671             : 
     672             :   /* We need to publish each transaction separately into its own
     673             :      microblock, so make a temporary copy on the stack so we can move
     674             :      all the data around. */
     675           0 :   fd_txn_p_t bundle_txn_temp[ 5UL ];
     676           0 :   for( ulong i=0UL; i<txn_cnt; i++ ) {
     677           0 :     bundle_txn_temp[ i ] = txns[ i ];
     678           0 :   }
     679             : 
     680           0 :   for( ulong i=0UL; i<txn_cnt; i++ ) {
     681           0 :     fd_txn_out_t * txn_out   = &ctx->txn_out[ i ];
     682             : 
     683           0 :     uchar * dst = (uchar *)fd_chunk_to_laddr( ctx->out_poh->mem, ctx->out_poh->chunk );
     684           0 :     fd_memcpy( dst, bundle_txn_temp+i, sizeof(fd_txn_p_t) );
     685             : 
     686           0 :     fd_microblock_trailer_t * trailer = (fd_microblock_trailer_t *)( dst+sizeof(fd_txn_p_t) );
     687           0 :     hash_transactions( ctx->bmtree, (fd_txn_p_t*)dst, 1UL, trailer->hash );
     688           0 :     trailer->pack_txn_idx     = ctx->_txn_idx + i;
     689           0 :     trailer->tips             = tips[ i ];
     690           0 :     trailer->bank_seq         = bank->bank_seq;
     691           0 :     trailer->exec_start_ticks = bundle_start_ticks;
     692           0 :     trailer->exec_end_ticks   = txn_end_ticks[ i ];
     693             : 
     694           0 :     ulong execle_sig = fd_disco_execle_sig( slot, ctx->_pack_idx+i );
     695             : 
     696           0 :     trailer->txn_ns_dt.load_start   = fd_float_if( txn_out->details.load_start_ticks==LONG_MAX,   0.,                              (float)fd_long_max( 0L, txn_out->details.load_start_ticks   - microblock_start_ticks ) * ctx->ns_per_tick );
     697           0 :     trailer->txn_ns_dt.check_start  = fd_float_if( txn_out->details.check_start_ticks==LONG_MAX,  trailer->txn_ns_dt.load_start,   (float)fd_long_max( 0L, txn_out->details.check_start_ticks  - microblock_start_ticks ) * ctx->ns_per_tick );
     698           0 :     trailer->txn_ns_dt.exec_start   = fd_float_if( txn_out->details.exec_start_ticks==LONG_MAX,   trailer->txn_ns_dt.check_start,  (float)fd_long_max( 0L, txn_out->details.exec_start_ticks   - microblock_start_ticks ) * ctx->ns_per_tick );
     699           0 :     trailer->txn_ns_dt.commit_start = fd_float_if( txn_out->details.commit_start_ticks==LONG_MAX, trailer->txn_ns_dt.exec_start,   (float)fd_long_max( 0L, txn_out->details.commit_start_ticks - microblock_start_ticks ) * ctx->ns_per_tick );
     700           0 :     trailer->txn_ns_dt.commit_end   = fd_float_if( txn_end_ticks[ i ]==LONG_MAX,                  trailer->txn_ns_dt.commit_start, (float)fd_long_max( 0L, txn_end_ticks[ i ]                  - microblock_start_ticks ) * ctx->ns_per_tick );
     701             : 
     702           0 :     ulong new_sz = sizeof(fd_txn_p_t) + sizeof(fd_microblock_trailer_t);
     703           0 :     fd_stem_publish( stem, ctx->out_poh->idx, execle_sig, ctx->out_poh->chunk, new_sz, 0UL, (ulong)fd_frag_meta_ts_comp( microblock_start_ticks ), (ulong)fd_frag_meta_ts_comp( fd_tickcount() ) );
     704           0 :     ctx->out_poh->chunk = fd_dcache_compact_next( ctx->out_poh->chunk, new_sz, ctx->out_poh->chunk0, ctx->out_poh->wmark );
     705           0 :   }
     706           0 : }
     707             : 
     708             : static inline void
     709             : after_frag( fd_execle_tile_t *  ctx,
     710             :             ulong               in_idx,
     711             :             ulong               seq,
     712             :             ulong               sig,
     713             :             ulong               sz,
     714             :             ulong               tsorig,
     715             :             ulong               tspub,
     716           0 :             fd_stem_context_t * stem ) {
     717           0 :   (void)in_idx;
     718             : 
     719           0 :   ulong slot = fd_disco_poh_sig_slot( sig );
     720           0 :   if( FD_LIKELY( ctx->enable_rebates ) ) {
     721           0 :     if( FD_UNLIKELY( slot!=ctx->rebates_for_slot ) ) {
     722             :       /* If pack has already moved on to a new slot, the rebates are no
     723             :          longer useful. */
     724           0 :       fd_pack_rebate_sum_clear( ctx->rebater );
     725           0 :       ctx->rebate_microblock_cnt = 0UL;
     726           0 :       ctx->rebate_idle_loop_cnt  = 0UL;
     727           0 :       ctx->rebate_draining       = 0;
     728           0 :       ctx->rebates_for_slot      = slot;
     729           0 :     }
     730           0 :     if( FD_UNLIKELY( !ctx->rebate_microblock_cnt ) ) {
     731           0 :       ctx->rebate_tsorig = tsorig;
     732           0 :     }
     733           0 :     ctx->rebate_idle_loop_cnt = 0UL;
     734           0 :   }
     735             : 
     736           0 :   if( FD_UNLIKELY( ctx->_is_bundle ) ) handle_bundle( ctx, seq, sig, sz, tspub, stem );
     737           0 :   else                                 handle_microblock( ctx, seq, sig, sz, tspub, stem );
     738           0 :   if( FD_LIKELY( ctx->enable_rebates ) ) {
     739           0 :     ulong txn_cnt = (sz-sizeof(fd_microblock_execle_trailer_t))/sizeof(fd_txn_e_t);
     740           0 :     ctx->rebate_microblock_cnt += fd_ulong_if( ctx->_is_bundle, txn_cnt, 1UL );
     741           0 :   }
     742             : 
     743             :   /* Return the pack_execle credit now rather than at housekeeping, so
     744             :      the link can be shallow enough for pack to keep it in cache. */
     745           0 :   fd_fseq_update( ctx->pack_in_fseq, seq+1UL );
     746           0 : }
     747             : 
     748             : static inline fd_execle_out_t
     749             : out1( fd_topo_t const *      topo,
     750             :       fd_topo_tile_t const * tile,
     751           0 :       char const *           name ) {
     752           0 :   ulong idx = ULONG_MAX;
     753             : 
     754           0 :   for( ulong i=0UL; i<tile->out_cnt; i++ ) {
     755           0 :     fd_topo_link_t const * link = &topo->links[ tile->out_link_id[ i ] ];
     756           0 :     if( !strcmp( link->name, name ) ) {
     757           0 :       if( FD_UNLIKELY( idx!=ULONG_MAX ) ) FD_LOG_ERR(( "tile %s:%lu had multiple output links named %s but expected one", tile->name, tile->kind_id, name ));
     758           0 :       idx = i;
     759           0 :     }
     760           0 :   }
     761             : 
     762           0 :   if( FD_UNLIKELY( idx==ULONG_MAX ) ) return (fd_execle_out_t){ .idx = ULONG_MAX, .mem = NULL, .chunk0 = 0, .wmark = 0, .chunk = 0 };
     763             : 
     764           0 :   void * mem = topo->workspaces[ topo->objs[ topo->links[ tile->out_link_id[ idx ] ].dcache_obj_id ].wksp_id ].wksp;
     765           0 :   ulong chunk0 = fd_dcache_compact_chunk0( mem, topo->links[ tile->out_link_id[ idx ] ].dcache );
     766           0 :   ulong wmark  = fd_dcache_compact_wmark ( mem, topo->links[ tile->out_link_id[ idx ] ].dcache, topo->links[ tile->out_link_id[ idx ] ].mtu );
     767             : 
     768           0 :   return (fd_execle_out_t){ .idx = idx, .mem = mem, .chunk0 = chunk0, .wmark = wmark, .chunk = chunk0 };
     769           0 : }
     770             : 
     771             : static void
     772             : privileged_init( fd_topo_t const *      topo,
     773           0 :                  fd_topo_tile_t const * tile ) {
     774           0 :   void * scratch = fd_topo_obj_laddr( topo, tile->tile_obj_id );
     775             : 
     776           0 :   FD_SCRATCH_ALLOC_INIT( l, scratch );
     777           0 :   fd_execle_tile_t * ctx = FD_SCRATCH_ALLOC_APPEND( l, alignof(fd_execle_tile_t), sizeof(fd_execle_tile_t) );
     778           0 :   FD_TEST( fd_rng_secure( &ctx->rebate_seed, sizeof(ctx->rebate_seed) ) );
     779           0 : }
     780             : 
     781             : static void
     782             : unprivileged_init( fd_topo_t const *      topo,
     783           0 :                    fd_topo_tile_t const * tile ) {
     784           0 :   void * scratch = fd_topo_obj_laddr( topo, tile->tile_obj_id );
     785             : 
     786           0 :   FD_SCRATCH_ALLOC_INIT( l, scratch );
     787           0 :   fd_execle_tile_t * ctx = FD_SCRATCH_ALLOC_APPEND( l, alignof(fd_execle_tile_t),  sizeof(fd_execle_tile_t) );
     788           0 :   void * blake3          = FD_SCRATCH_ALLOC_APPEND( l, FD_BLAKE3_ALIGN,            FD_BLAKE3_FOOTPRINT );
     789           0 :   void * bmtree          = FD_SCRATCH_ALLOC_APPEND( l, FD_BMTREE_COMMIT_ALIGN,     FD_BMTREE_COMMIT_FOOTPRINT(0) );
     790           0 :   void * _txncache       = FD_SCRATCH_ALLOC_APPEND( l, fd_txncache_align(),        fd_txncache_footprint( tile->execle.max_live_slots ) );
     791           0 :   void * _accdb          = FD_SCRATCH_ALLOC_APPEND( l, fd_accdb_align(),           fd_accdb_footprint( tile->execle.max_live_slots ) );
     792           0 :   void * pc_scratch      = FD_SCRATCH_ALLOC_APPEND( l, FD_PROGCACHE_SCRATCH_ALIGN, FD_PROGCACHE_SCRATCH_FOOTPRINT );
     793             : 
     794           0 : #define NONNULL( x ) (__extension__({                                        \
     795           0 :       __typeof__((x)) __x = (x);                                             \
     796           0 :       if( FD_UNLIKELY( !__x ) ) FD_LOG_ERR(( #x " was unexpectedly NULL" )); \
     797           0 :       __x; }))
     798             : 
     799           0 :   ctx->kind_id   = tile->kind_id;
     800           0 :   ctx->blake3    = NONNULL( fd_blake3_join( fd_blake3_new( blake3 ) ) );
     801           0 :   ctx->bmtree    = NONNULL( bmtree );
     802             : 
     803           0 :   NONNULL( fd_pack_rebate_sum_join( fd_pack_rebate_sum_new( ctx->rebater, ctx->rebate_seed ) ) );
     804           0 :   ctx->rebates_for_slot      = 0UL;
     805           0 :   ctx->rebate_microblock_cnt = 0UL;
     806           0 :   ctx->rebate_idle_loop_cnt  = 0UL;
     807           0 :   ctx->rebate_draining       = 0;
     808             : 
     809           0 :   FD_TEST( fd_progcache_join( ctx->progcache,
     810           0 :       fd_topo_obj_laddr( topo, tile->execle.progcache_obj_id ),
     811           0 :       pc_scratch, FD_PROGCACHE_SCRATCH_FOOTPRINT ) );
     812             : 
     813           0 :   void * _txncache_shmem = fd_topo_obj_laddr( topo, tile->execle.txncache_obj_id );
     814           0 :   fd_txncache_shmem_t * txncache_shmem = fd_txncache_shmem_join( _txncache_shmem );
     815           0 :   FD_TEST( txncache_shmem );
     816           0 :   fd_txncache_t * txncache = fd_txncache_join( fd_txncache_new( _txncache, txncache_shmem ) );
     817           0 :   FD_TEST( txncache );
     818             : 
     819           0 :   void * _accdb_shmem = fd_topo_obj_laddr( topo, tile->execle.accdb_obj_id );
     820           0 :   fd_accdb_shmem_t * accdb_shmem = fd_accdb_shmem_join( _accdb_shmem );
     821           0 :   FD_TEST( accdb_shmem );
     822           0 :   ctx->accdb = fd_accdb_join( fd_accdb_new( _accdb, accdb_shmem, FD_ACCDB_FD_RW, 0UL, NULL ) );
     823           0 :   FD_TEST( ctx->accdb );
     824             : 
     825           0 :   for( ulong i=0UL; i<FD_PACK_MAX_TXN_PER_BUNDLE; i++ ) {
     826           0 :     ctx->txn_in[ i ].bundle.prev_txn_cnt = i;
     827           0 :     for( ulong j=0UL; j<i; j++ ) ctx->txn_in[ i ].bundle.prev_txn_outs[ j ] = &ctx->txn_out[ j ];
     828           0 :   }
     829             : 
     830           0 :   ctx->runtime->accdb                    = ctx->accdb;
     831           0 :   ctx->runtime->progcache                = ctx->progcache;
     832           0 :   ctx->runtime->status_cache             = txncache;
     833           0 :   memset( &ctx->runtime->log, 0, sizeof(ctx->runtime->log) );
     834           0 :   ctx->runtime->log.log_collector        = ctx->log_collector;
     835           0 :   ctx->runtime->fuzz.enabled             = 0;
     836           0 :   ctx->runtime->fuzz.reclaim_accounts    = 0;
     837           0 :   ctx->runtime->accounts.executable_cnt  = 0UL;
     838           0 :   ctx->runtime->accounts.account_cnt     = 0UL;
     839             : 
     840           0 :   ulong banks_obj_id = fd_pod_queryf_ulong( topo->props, ULONG_MAX, "banks" );
     841           0 :   FD_TEST( banks_obj_id!=ULONG_MAX );
     842           0 :   ctx->banks = fd_banks_join( fd_topo_obj_laddr( topo, banks_obj_id ) );
     843           0 :   NONNULL( ctx->banks );
     844             : 
     845           0 :   ulong busy_obj_id = fd_pod_queryf_ulong( topo->props, ULONG_MAX, "execle_busy.%lu", tile->kind_id );
     846           0 :   FD_TEST( busy_obj_id!=ULONG_MAX );
     847           0 :   ctx->busy_fseq = fd_fseq_join( fd_topo_obj_laddr( topo, busy_obj_id ) );
     848           0 :   ctx->pack_in_fseq = fd_fseq_join( fd_topo_obj_laddr( topo, tile->in_link_fseq_obj_id[ 0UL ] ) );
     849           0 :   FD_TEST( ctx->pack_in_fseq );
     850           0 :   if( FD_UNLIKELY( !ctx->busy_fseq ) ) FD_LOG_ERR(( "execle tile %lu has no busy flag", tile->kind_id ));
     851             : 
     852           0 :   memset( &ctx->metrics,          0, sizeof( ctx->metrics )          );
     853           0 :   memset( &ctx->runtime->metrics, 0, sizeof( ctx->runtime->metrics ) );
     854             : 
     855           0 :   ctx->pack_in_mem = topo->workspaces[ topo->objs[ topo->links[ tile->in_link_id[ 0UL ] ].dcache_obj_id ].wksp_id ].wksp;
     856           0 :   ctx->pack_in_chunk0 = fd_dcache_compact_chunk0( ctx->pack_in_mem, topo->links[ tile->in_link_id[ 0UL ] ].dcache );
     857           0 :   ctx->pack_in_wmark  = fd_dcache_compact_wmark ( ctx->pack_in_mem, topo->links[ tile->in_link_id[ 0UL ] ].dcache, topo->links[ tile->in_link_id[ 0UL ] ].mtu );
     858             : 
     859           0 :   *ctx->out_poh = out1( topo, tile, "execle_poh" ); FD_TEST( ctx->out_poh->idx!=ULONG_MAX );
     860           0 :   *ctx->out_pack = out1( topo, tile, "execle_pack" );
     861             : 
     862           0 :   ctx->enable_rebates = ctx->out_pack->idx!=ULONG_MAX;
     863             : 
     864           0 :   ctx->ns_per_tick = 1.f / (float)fd_tempo_tick_per_ns( NULL );
     865             : 
     866           0 :   fd_startup_gate_init( ctx->startup_gate, topo, tile->in_cnt );
     867             : 
     868           0 :   ulong scratch_top = FD_SCRATCH_ALLOC_FINI( l, scratch_align() );
     869           0 :   if( FD_UNLIKELY( scratch_top > (ulong)scratch + scratch_footprint( tile ) ) )
     870           0 :     FD_LOG_ERR(( "scratch overflow %lu %lu %lu", scratch_top - (ulong)scratch - scratch_footprint( tile ), scratch_top, (ulong)scratch + scratch_footprint( tile ) ));
     871           0 : }
     872             : 
     873             : static ulong
     874             : populate_allowed_seccomp( fd_topo_t const *      topo,
     875             :                           fd_topo_tile_t const * tile,
     876             :                           ulong                  out_cnt,
     877           0 :                           struct sock_filter *   out ) {
     878           0 :   (void)topo;
     879           0 :   (void)tile;
     880             : 
     881           0 :   populate_sock_filter_policy_fd_execle_tile( out_cnt, out, (uint)fd_log_private_logfile_fd(), FD_ACCDB_FD_RW );
     882           0 :   return sock_filter_policy_fd_execle_tile_instr_cnt;
     883           0 : }
     884             : 
     885             : static ulong
     886             : populate_allowed_fds( fd_topo_t const *      topo,
     887             :                       fd_topo_tile_t const * tile,
     888             :                       ulong                  out_fds_cnt,
     889           0 :                       int *                  out_fds ) {
     890           0 :   (void)topo;
     891           0 :   (void)tile;
     892             : 
     893           0 :   if( FD_UNLIKELY( out_fds_cnt<3UL ) ) FD_LOG_ERR(( "out_fds_cnt %lu", out_fds_cnt ));
     894             : 
     895           0 :   ulong out_cnt = 0UL;
     896           0 :   out_fds[ out_cnt++ ] = 2; /* stderr */
     897           0 :   if( FD_LIKELY( -1!=fd_log_private_logfile_fd() ) )
     898           0 :     out_fds[ out_cnt++ ] = fd_log_private_logfile_fd(); /* logfile */
     899           0 :   out_fds[ out_cnt++ ] = FD_ACCDB_FD_RW; /* accounts db */
     900             : 
     901           0 :   return out_cnt;
     902           0 : }
     903             : 
     904             : /* For a bundle, one bundle might burst into at most 5 separate PoH mixins, since the
     905             :    microblocks cannot be conflicting. */
     906             : 
     907           0 : #define STEM_BURST (5UL)
     908             : 
     909             : /* See explanation in fd_pack */
     910           0 : #define STEM_LAZY  (128L*3000L)
     911             : 
     912           0 : #define STEM_CALLBACK_CONTEXT_TYPE  fd_execle_tile_t
     913           0 : #define STEM_CALLBACK_CONTEXT_ALIGN alignof(fd_execle_tile_t)
     914             : 
     915           0 : #define STEM_CALLBACK_METRICS_WRITE metrics_write
     916           0 : #define STEM_CALLBACK_AFTER_CREDIT  after_credit
     917           0 : #define STEM_CALLBACK_BEFORE_FRAG   before_frag
     918           0 : #define STEM_CALLBACK_DURING_FRAG   during_frag
     919           0 : #define STEM_CALLBACK_AFTER_FRAG    after_frag
     920             : 
     921             : #include "../../disco/stem/fd_stem.c"
     922             : 
     923             : static ulong
     924           0 : max_event_sz( fd_topo_tile_t const * tile ) {
     925             :   /* execle emits accdb_partition_added, plus runtime_txn when diffs are on. */
     926           0 :   ulong sz = sizeof(fd_event_accdb_partition_added_t);
     927           0 :   if( tile->execle.report_runtime_diffs && sizeof(fd_event_runtime_txn_t)>sz ) sz = sizeof(fd_event_runtime_txn_t);
     928           0 :   return sz;
     929           0 : }
     930             : 
     931             : fd_topo_run_tile_t fd_tile_execle = {
     932             :   .name                     = "execle",
     933             :   .max_event_sz             = max_event_sz,
     934             :   .populate_allowed_seccomp = populate_allowed_seccomp,
     935             :   .populate_allowed_fds     = populate_allowed_fds,
     936             :   .scratch_align            = scratch_align,
     937             :   .scratch_footprint        = scratch_footprint,
     938             :   .privileged_init          = privileged_init,
     939             :   .unprivileged_init        = unprivileged_init,
     940             :   .run                      = stem_run,
     941             : };

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