LCOV - code coverage report
Current view: top level - discof/execle - fd_execle_tile.c (source / functions) Hit Total Coverage
Test: cov.lcov Lines: 0 385 0.0 %
Date: 2026-02-13 06:06:24 Functions: 0 13 0.0 %

          Line data    Source code
       1             : #include "fd_execle_err.h"
       2             : 
       3             : #include "../../disco/tiles.h"
       4             : #include "generated/fd_execle_tile_seccomp.h"
       5             : #include "../../disco/pack/fd_pack.h"
       6             : #include "../../disco/pack/fd_pack_cost.h"
       7             : #include "../../ballet/blake3/fd_blake3.h"
       8             : #include "../../ballet/bmtree/fd_bmtree.h"
       9             : #include "../../disco/metrics/fd_metrics.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_accdb_topo.h"
      14             : #include "../../flamenco/runtime/fd_runtime.h"
      15             : #include "../../flamenco/runtime/fd_bank.h"
      16             : #include "../../flamenco/runtime/fd_acc_pool.h"
      17             : #include "../../flamenco/progcache/fd_progcache_user.h"
      18             : #include "../../flamenco/log_collector/fd_log_collector_base.h"
      19             : 
      20             : struct fd_execle_out {
      21             :   ulong       idx;
      22             :   fd_wksp_t * mem;
      23             :   ulong       chunk0;
      24             :   ulong       wmark;
      25             :   ulong       chunk;
      26             : };
      27             : 
      28             : typedef struct fd_execle_out fd_execle_out_t;
      29             : 
      30             : struct fd_execle_tile {
      31             :   ulong kind_id;
      32             : 
      33             :   fd_blake3_t * blake3;
      34             :   void * bmtree;
      35             : 
      36             :   ulong _bank_idx;
      37             :   ulong _pack_idx;
      38             :   ulong _txn_idx;
      39             :   int _is_bundle;
      40             :   fd_acct_addr_t _alt_accts[MAX_TXN_PER_MICROBLOCK][FD_TXN_ACCT_ADDR_MAX];
      41             : 
      42             :   ulong * busy_fseq;
      43             : 
      44             :   fd_wksp_t * pack_in_mem;
      45             :   ulong       pack_in_chunk0;
      46             :   ulong       pack_in_wmark;
      47             : 
      48             :   fd_execle_out_t out_poh[1];
      49             :   fd_execle_out_t out_pack[1];
      50             : 
      51             :   ulong rebates_for_slot;
      52             :   int enable_rebates;
      53             :   fd_pack_rebate_sum_t rebater[ 1 ];
      54             : 
      55             :   fd_banks_t banks[1];
      56             : 
      57             :   fd_accdb_user_t accdb[1];
      58             :   fd_progcache_t  progcache[1];
      59             : 
      60             :   fd_runtime_t runtime[1];
      61             : 
      62             :   /* For bundle execution, we need to execute each transaction against
      63             :      a separate transaction context and a set of accounts, but the exec
      64             :      stack can be reused.  We will also use these same memory regions
      65             :      for non-bundle execution. */
      66             :   fd_txn_in_t  txn_in[ FD_PACK_MAX_TXN_PER_BUNDLE ];
      67             :   fd_txn_out_t txn_out[ FD_PACK_MAX_TXN_PER_BUNDLE ];
      68             : 
      69             :   fd_log_collector_t log_collector[ 1 ];
      70             : 
      71             :   struct {
      72             :     ulong txn_result[ FD_METRICS_ENUM_TRANSACTION_RESULT_CNT ];
      73             :     ulong txn_landed[ FD_METRICS_ENUM_TRANSACTION_LANDED_CNT ];
      74             :   } metrics;
      75             : };
      76             : 
      77             : typedef struct fd_execle_tile fd_execle_tile_t;
      78             : 
      79             : FD_FN_CONST static inline ulong
      80           0 : scratch_align( void ) {
      81           0 :   return 128UL;
      82           0 : }
      83             : 
      84             : FD_FN_PURE static inline ulong
      85           0 : scratch_footprint( fd_topo_tile_t const * tile ) {
      86           0 :   ulong l = FD_LAYOUT_INIT;
      87           0 :   l = FD_LAYOUT_APPEND( l, alignof( fd_execle_tile_t ), sizeof( fd_execle_tile_t ) );
      88           0 :   l = FD_LAYOUT_APPEND( l, FD_BLAKE3_ALIGN,             FD_BLAKE3_FOOTPRINT );
      89           0 :   l = FD_LAYOUT_APPEND( l, FD_BMTREE_COMMIT_ALIGN,      FD_BMTREE_COMMIT_FOOTPRINT(0) );
      90           0 :   l = FD_LAYOUT_APPEND( l, fd_txncache_align(),         fd_txncache_footprint( tile->execle.max_live_slots ) );
      91           0 :   l = FD_LAYOUT_APPEND( l, FD_PROGCACHE_SCRATCH_ALIGN,  FD_PROGCACHE_SCRATCH_FOOTPRINT );
      92           0 :   return FD_LAYOUT_FINI( l, scratch_align() );
      93           0 : }
      94             : 
      95             : static inline void
      96           0 : metrics_write( fd_execle_tile_t * ctx ) {
      97           0 :   FD_MCNT_ENUM_COPY( EXECLE, TRANSACTION_RESULT, ctx->metrics.txn_result );
      98           0 :   FD_MCNT_ENUM_COPY( EXECLE, TRANSACTION_LANDED, ctx->metrics.txn_landed );
      99           0 : }
     100             : 
     101             : static int
     102             : before_frag( fd_execle_tile_t * ctx,
     103             :              ulong             in_idx,
     104             :              ulong             seq,
     105           0 :              ulong             sig ) {
     106           0 :   (void)in_idx;
     107           0 :   (void)seq;
     108             : 
     109             :   /* Pack also outputs "leader slot done" which we can ignore. */
     110           0 :   if( FD_UNLIKELY( fd_disco_poh_sig_pkt_type( sig )!=POH_PKT_TYPE_MICROBLOCK ) ) return 1;
     111             : 
     112           0 :   ulong target_execle_kind_id = fd_disco_poh_sig_execle_tile( sig );
     113           0 :   if( FD_UNLIKELY( target_execle_kind_id!=ctx->kind_id ) ) return 1;
     114             : 
     115           0 :   return 0;
     116           0 : }
     117             : 
     118             : static inline void
     119             : during_frag( fd_execle_tile_t * ctx,
     120             :              ulong              in_idx,
     121             :              ulong              seq,
     122             :              ulong              sig,
     123             :              ulong              chunk,
     124             :              ulong              sz,
     125           0 :              ulong              ctl ) {
     126           0 :   (void)in_idx; (void)seq; (void)sig; (void)ctl;
     127             : 
     128           0 :   uchar * src = (uchar *)fd_chunk_to_laddr( ctx->pack_in_mem, chunk );
     129           0 :   uchar * dst = (uchar *)fd_chunk_to_laddr( ctx->out_poh->mem, ctx->out_poh->chunk );
     130             : 
     131           0 :   if( FD_UNLIKELY( chunk<ctx->pack_in_chunk0 || chunk>ctx->pack_in_wmark || sz>USHORT_MAX ) )
     132           0 :     FD_LOG_ERR(( "chunk %lu %lu corrupt, not in range [%lu,%lu]", chunk, sz, ctx->pack_in_chunk0, ctx->pack_in_wmark ));
     133             : 
     134             :   /* Pack sends fd_txn_e_t (with ALT accounts), but PoH expects fd_txn_p_t.
     135             :      We copy the fd_txn_p_t portion to the PoH output buffer, and copy the
     136             :      ALT accounts to the tile context for rebates. */
     137           0 :   ulong txn_cnt = (sz-sizeof(fd_microblock_execle_trailer_t))/sizeof(fd_txn_e_t);
     138           0 :   fd_txn_e_t const * src_txn_e = (fd_txn_e_t const *)src;
     139           0 :   fd_txn_p_t       * dst_txn_p = (fd_txn_p_t       *)dst;
     140           0 :   for( ulong i=0UL; i<txn_cnt; i++ ) {
     141           0 :     fd_memcpy( dst_txn_p + i, src_txn_e[i].txnp, sizeof(fd_txn_p_t) );
     142           0 :     ulong alt_cnt = fd_ulong_min( (ulong)TXN(src_txn_e[i].txnp)->addr_table_adtl_cnt, FD_TXN_ACCT_ADDR_MAX );
     143           0 :     fd_memcpy( ctx->_alt_accts[i], src_txn_e[i].alt_accts, alt_cnt * sizeof(fd_acct_addr_t) );
     144           0 :   }
     145             : 
     146           0 :   fd_microblock_execle_trailer_t * trailer = (fd_microblock_execle_trailer_t *)( src+sz-sizeof(fd_microblock_execle_trailer_t) );
     147           0 :   ctx->_bank_idx  = trailer->bank_idx;
     148           0 :   ctx->_pack_idx  = trailer->pack_idx;
     149           0 :   ctx->_txn_idx   = trailer->pack_txn_idx;
     150           0 :   ctx->_is_bundle = trailer->is_bundle;
     151           0 : }
     152             : 
     153             : static void
     154             : hash_transactions( void *       mem,
     155             :                    fd_txn_p_t * txns,
     156             :                    ulong        txn_cnt,
     157           0 :                    uchar *      mixin ) {
     158           0 :   fd_bmtree_commit_t * bmtree = fd_bmtree_commit_init( mem, 32UL, 1UL, 0UL );
     159           0 :   for( ulong i=0UL; i<txn_cnt; i++ ) {
     160           0 :     fd_txn_p_t * _txn = txns + i;
     161           0 :     if( FD_UNLIKELY( !(_txn->flags & FD_TXN_P_FLAGS_EXECUTE_SUCCESS) ) ) continue;
     162             : 
     163           0 :     fd_txn_t * txn = TXN(_txn);
     164           0 :     for( ulong j=0; j<txn->signature_cnt; j++ ) {
     165           0 :       fd_bmtree_node_t node[1];
     166           0 :       fd_bmtree_hash_leaf( node, _txn->payload+txn->signature_off+64UL*j, 64UL, 1UL );
     167           0 :       fd_bmtree_commit_append( bmtree, node, 1UL );
     168           0 :     }
     169           0 :   }
     170           0 :   uchar * root = fd_bmtree_commit_fini( bmtree );
     171           0 :   fd_memcpy( mixin, root, 32UL );
     172           0 : }
     173             : 
     174             : static inline void
     175             : handle_microblock( fd_execle_tile_t *  ctx,
     176             :                    ulong               seq,
     177             :                    ulong               sig,
     178             :                    ulong               sz,
     179             :                    ulong               begin_tspub,
     180           0 :                    fd_stem_context_t * stem ) {
     181           0 :   uchar * dst = (uchar *)fd_chunk_to_laddr( ctx->out_poh->mem, ctx->out_poh->chunk );
     182             : 
     183           0 :   ulong slot = fd_disco_poh_sig_slot( sig );
     184           0 :   ulong txn_cnt = (sz-sizeof(fd_microblock_execle_trailer_t))/sizeof(fd_txn_e_t);
     185             : 
     186           0 :   fd_bank_t bank[1];
     187           0 :   FD_TEST( fd_banks_bank_query( bank, ctx->banks, ctx->_bank_idx ) );
     188           0 :   ulong bank_slot = fd_bank_slot_get( bank );
     189           0 :   FD_TEST( bank_slot==slot );
     190             : 
     191           0 :   for( ulong i=0UL; i<txn_cnt; i++ ) {
     192           0 :     fd_txn_p_t *   txn     = (fd_txn_p_t *)( dst + (i*sizeof(fd_txn_p_t)) );
     193           0 :     fd_txn_in_t *  txn_in  = &ctx->txn_in[ 0 ];
     194           0 :     fd_txn_out_t * txn_out = &ctx->txn_out[ 0 ];
     195             : 
     196           0 :     uint requested_exec_plus_acct_data_cus = txn->pack_cu.requested_exec_plus_acct_data_cus;
     197           0 :     uint non_execution_cus                 = txn->pack_cu.non_execution_cus;
     198             : 
     199             :     /* Assume failure, set below if success.  If it doesn't land in the
     200             :        block, rebate the non-execution CUs too. */
     201           0 :     txn->execle_cu.actual_consumed_cus = 0U;
     202           0 :     txn->execle_cu.rebated_cus = requested_exec_plus_acct_data_cus + non_execution_cus;
     203           0 :     txn->flags &= ~FD_TXN_P_FLAGS_SANITIZE_SUCCESS;
     204           0 :     txn->flags &= ~FD_TXN_P_FLAGS_EXECUTE_SUCCESS;
     205             : 
     206           0 :     txn_in->bundle.is_bundle = 0;
     207           0 :     txn_in->txn              = txn;
     208             : 
     209           0 :     fd_runtime_prepare_and_execute_txn( ctx->runtime, bank, txn_in, txn_out );
     210             : 
     211             :     /* Stash the result in the flags value so that pack can inspect it. */
     212           0 :     txn->flags = (txn->flags & 0x00FFFFFFU) | ((uint)(-txn_out->err.txn_err)<<24);
     213             : 
     214           0 :     if( FD_UNLIKELY( !txn_out->err.is_committable ) ) {
     215           0 :       FD_TEST( !txn_out->err.is_fees_only );
     216           0 :       fd_runtime_cancel_txn( ctx->runtime, txn_out );
     217             :       /* Use pre-resolved ALT accounts for rebates even for unlanded transactions */
     218           0 :       fd_acct_addr_t const * writable_alt = ctx->_alt_accts[i];
     219           0 :       if( FD_LIKELY( ctx->enable_rebates ) ) fd_pack_rebate_sum_add_txn( ctx->rebater, txn, &writable_alt, 1UL );
     220           0 :       ctx->metrics.txn_landed[ FD_METRICS_ENUM_TRANSACTION_LANDED_V_UNLANDED_IDX ]++;
     221           0 :       ctx->metrics.txn_result[ fd_execle_err_from_runtime_err( txn_out->err.txn_err ) ]++;
     222           0 :       continue;
     223           0 :     }
     224             : 
     225           0 :     if( FD_UNLIKELY( txn_out->err.is_fees_only ) ) ctx->metrics.txn_landed[ FD_METRICS_ENUM_TRANSACTION_LANDED_V_LANDED_FEES_ONLY_IDX ]++;
     226           0 :     else if( FD_UNLIKELY( txn_out->err.txn_err ) ) ctx->metrics.txn_landed[ FD_METRICS_ENUM_TRANSACTION_LANDED_V_LANDED_FAILED_IDX    ]++;
     227           0 :     else                                           ctx->metrics.txn_landed[ FD_METRICS_ENUM_TRANSACTION_LANDED_V_LANDED_SUCCESS_IDX   ]++;
     228             : 
     229             :     /* TXN_P_FLAGS_EXECUTE_SUCCESS means that it should be included in
     230             :        the block.  It's a bit of a misnomer now that there are fee-only
     231             :        transactions. */
     232           0 :     txn->flags |= FD_TXN_P_FLAGS_EXECUTE_SUCCESS | FD_TXN_P_FLAGS_SANITIZE_SUCCESS;
     233           0 :     ctx->metrics.txn_result[ fd_execle_err_from_runtime_err( txn_out->err.txn_err ) ]++;
     234             : 
     235             :     /* Commit must succeed so no failure path.  Once commit is called,
     236             :        the transactions MUST be mixed into the PoH otherwise we will
     237             :        fork and diverge, so the link from here til PoH mixin must be
     238             :        completely reliable with nothing dropped.
     239             : 
     240             :        fd_runtime_commit_txn checks if the transaction fits into the
     241             :        block with the cost tracker.  If it doesn't fit, flags is set to
     242             :        zero.  A key invariant of the leader pipeline is that pack
     243             :        ensures all transactions must fit already, so it is a fatal error
     244             :        if that happens.  We cannot reject the transaction here as there
     245             :        would be no way to undo the partially applied changes to the bank
     246             :        in finalize anyway. */
     247           0 :     fd_runtime_commit_txn( ctx->runtime, bank, txn_out );
     248             : 
     249           0 :     if( FD_UNLIKELY( !txn_out->err.is_committable ) ) {
     250             :       /* If the transaction failed to fit into the block, we need to
     251             :          updated the transaction flag with the error code. */
     252           0 :       txn->flags = (txn->flags & 0x00FFFFFFU) | ((uint)(-txn_out->err.txn_err)<<24);
     253           0 :       fd_cost_tracker_t * cost_tracker = fd_bank_cost_tracker_locking_modify( bank );
     254           0 :       uchar * signature = (uchar *)txn_in->txn->payload + TXN( txn_in->txn )->signature_off;
     255           0 :       int err = fd_cost_tracker_try_add_cost( cost_tracker, txn_out );
     256           0 :       FD_LOG_HEXDUMP_WARNING(( "txn", txn->payload, txn->payload_sz ));
     257           0 :       FD_BASE58_ENCODE_64_BYTES( signature, signature_b58 );
     258           0 :       FD_LOG_CRIT(( "transaction %s failed to fit into block despite pack guaranteeing it would "
     259           0 :                     "(res=%d) [block_cost=%lu, vote_cost=%lu, allocated_accounts_data_size=%lu, "
     260           0 :                     "block_cost_limit=%lu, vote_cost_limit=%lu, account_cost_limit=%lu]",
     261           0 :                     signature_b58, err, cost_tracker->block_cost, cost_tracker->vote_cost,
     262           0 :                     cost_tracker->allocated_accounts_data_size,
     263           0 :                     cost_tracker->block_cost_limit, cost_tracker->vote_cost_limit,
     264           0 :                     cost_tracker->account_cost_limit ));
     265           0 :     }
     266             : 
     267           0 :     uint actual_execution_cus = (uint)(txn_out->details.compute_budget.compute_unit_limit - txn_out->details.compute_budget.compute_meter);
     268           0 :     uint actual_acct_data_cus = (uint)(txn_out->details.txn_cost.transaction.loaded_accounts_data_size_cost);
     269             : 
     270           0 :     int is_simple_vote = 0;
     271           0 :     if( FD_UNLIKELY( is_simple_vote = fd_txn_is_simple_vote_transaction( TXN(txn), txn->payload ) ) ) {
     272             :       /* Simple votes are charged fixed amounts of compute regardless of
     273             :          the real cost they incur.  Unclear what cost is returned by
     274             :          fd_execute txn, however, so we override it here. */
     275           0 :       actual_execution_cus = FD_PACK_VOTE_DEFAULT_COMPUTE_UNITS;
     276           0 :       actual_acct_data_cus = 0U;
     277           0 :     }
     278             : 
     279             :     /* FeesOnly transactions are transactions that failed to load
     280             :        before they even reach the VM stage. They have zero execution
     281             :        cost but do charge for the account data they are able to load.
     282             :        FeesOnly votes are charged the fixed voe cost. */
     283           0 :     txn->execle_cu.rebated_cus         = requested_exec_plus_acct_data_cus - (actual_execution_cus + actual_acct_data_cus);
     284           0 :     txn->execle_cu.actual_consumed_cus = non_execution_cus + actual_execution_cus + actual_acct_data_cus;
     285             : 
     286             :     /* Use ALT accounts copied in during_frag for rebates.
     287             :        These were resolved by resolv_tile and are needed because the LUT
     288             :        may be deactivated by the time we get here. */
     289           0 :     fd_acct_addr_t const * writable_alt = ctx->_alt_accts[i];
     290           0 :     if( FD_LIKELY( ctx->enable_rebates ) ) fd_pack_rebate_sum_add_txn( ctx->rebater, txn, &writable_alt, 1UL );
     291             : 
     292             :     /* The VM will stop executing and fail an instruction immediately if
     293             :        it exceeds its requested CUs.  A transaction which requests less
     294             :        account data than it actually consumes will fail in the account
     295             :        loading stage. */
     296           0 :     if( FD_UNLIKELY( actual_execution_cus+actual_acct_data_cus>requested_exec_plus_acct_data_cus ) ) {
     297           0 :       FD_LOG_HEXDUMP_WARNING(( "txn", txn->payload, txn->payload_sz ));
     298           0 :       FD_LOG_ERR(( "Actual CUs unexpectedly exceeded requested amount. actual_execution_cus (%u) actual_acct_data_cus "
     299           0 :                    "(%u) requested_exec_plus_acct_data_cus (%u) is_simple_vote (%i) exec_failed (%i)",
     300           0 :                    actual_execution_cus, actual_acct_data_cus, requested_exec_plus_acct_data_cus, is_simple_vote,
     301           0 :                    txn_out->err.txn_err ));
     302           0 :     }
     303             : 
     304           0 :   }
     305             : 
     306             :   /* Indicate to pack tile we are done processing the transactions so
     307             :      it can pack new microblocks using these accounts. */
     308           0 :   fd_fseq_update( ctx->busy_fseq, seq );
     309             : 
     310             :   /* Now produce the merkle hash of the transactions for inclusion
     311             :      (mixin) to the PoH hash.  This is done on the execle tile because
     312             :      it shards / scales horizontally here, while PoH does not. */
     313           0 :   fd_microblock_trailer_t * trailer = (fd_microblock_trailer_t *)( dst + txn_cnt*sizeof(fd_txn_p_t) );
     314           0 :   hash_transactions( ctx->bmtree, (fd_txn_p_t*)dst, txn_cnt, trailer->hash );
     315           0 :   trailer->pack_txn_idx = ctx->_txn_idx;
     316           0 :   trailer->tips         = ctx->txn_out[ 0 ].details.tips;
     317             : 
     318           0 :   long tickcount                 = fd_tickcount();
     319           0 :   long microblock_start_ticks    = fd_frag_meta_ts_decomp( begin_tspub, tickcount );
     320           0 :   long microblock_duration_ticks = fd_long_max(tickcount - microblock_start_ticks, 0L);
     321             : 
     322           0 :   long tx_preload_end_ticks = fd_long_if( ctx->txn_out[ 0 ].details.prep_start_timestamp!=LONG_MAX,   ctx->txn_out[ 0 ].details.prep_start_timestamp,   microblock_start_ticks );
     323           0 :   long tx_start_ticks       = fd_long_if( ctx->txn_out[ 0 ].details.load_start_timestamp!=LONG_MAX,   ctx->txn_out[ 0 ].details.load_start_timestamp,   tx_preload_end_ticks   );
     324           0 :   long tx_load_end_ticks    = fd_long_if( ctx->txn_out[ 0 ].details.exec_start_timestamp!=LONG_MAX,   ctx->txn_out[ 0 ].details.exec_start_timestamp,   tx_start_ticks         );
     325           0 :   long tx_end_ticks         = fd_long_if( ctx->txn_out[ 0 ].details.commit_start_timestamp!=LONG_MAX, ctx->txn_out[ 0 ].details.commit_start_timestamp, tx_load_end_ticks      );
     326             : 
     327           0 :   trailer->txn_preload_end_pct = (uchar)(((double)(tx_preload_end_ticks - microblock_start_ticks) * (double)UCHAR_MAX) / (double)microblock_duration_ticks);
     328           0 :   trailer->txn_start_pct       = (uchar)(((double)(tx_start_ticks       - microblock_start_ticks) * (double)UCHAR_MAX) / (double)microblock_duration_ticks);
     329           0 :   trailer->txn_load_end_pct    = (uchar)(((double)(tx_load_end_ticks    - microblock_start_ticks) * (double)UCHAR_MAX) / (double)microblock_duration_ticks);
     330           0 :   trailer->txn_end_pct         = (uchar)(((double)(tx_end_ticks         - microblock_start_ticks) * (double)UCHAR_MAX) / (double)microblock_duration_ticks);
     331             : 
     332             :   /* When sending MAX_TXN_PER_MICROBLOCK transactions as fd_txn_p_t to PoH,
     333             :      there's always extra bytes at the end to stash the trailer. */
     334           0 :   FD_STATIC_ASSERT( MAX_MICROBLOCK_SZ-(MAX_TXN_PER_MICROBLOCK*sizeof(fd_txn_p_t))>=sizeof(fd_microblock_trailer_t), poh_shred_mtu );
     335           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 );
     336             : 
     337             :   /* We have a race window with the GUI, where if the slot is ending it
     338             :      will snap these metrics to draw the waterfall, but see them outdated
     339             :      because housekeeping hasn't run.  For now just update them here, but
     340             :      PoH should eventually flush the pipeline before ending the slot. */
     341           0 :   metrics_write( ctx );
     342             : 
     343           0 :   ulong execle_sig = fd_disco_execle_sig( slot, ctx->_pack_idx );
     344             : 
     345             :   /* We always need to publish, even if there are no successfully executed
     346             :      transactions so the PoH tile can keep an accurate count of microblocks
     347             :      it has seen. */
     348           0 :   ulong new_sz = txn_cnt*sizeof(fd_txn_p_t) + sizeof(fd_microblock_trailer_t);
     349           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( tickcount ) );
     350           0 :   ctx->out_poh->chunk = fd_dcache_compact_next( ctx->out_poh->chunk, new_sz, ctx->out_poh->chunk0, ctx->out_poh->wmark );
     351           0 : }
     352             : 
     353             : static inline void
     354             : handle_bundle( fd_execle_tile_t *  ctx,
     355             :                ulong               seq,
     356             :                ulong               sig,
     357             :                ulong               sz,
     358             :                ulong               begin_tspub,
     359           0 :                fd_stem_context_t * stem ) {
     360             : 
     361           0 :   fd_txn_p_t * txns = (fd_txn_p_t *)fd_chunk_to_laddr( ctx->out_poh->mem, ctx->out_poh->chunk );
     362             : 
     363           0 :   ulong slot = fd_disco_poh_sig_slot( sig );
     364           0 :   ulong txn_cnt = (sz-sizeof(fd_microblock_execle_trailer_t))/sizeof(fd_txn_e_t);
     365             : 
     366           0 :   fd_bank_t bank[1];
     367           0 :   FD_TEST( fd_banks_bank_query( bank, ctx->banks, ctx->_bank_idx ) );
     368           0 :   ulong bank_slot = fd_bank_slot_get( bank );
     369           0 :   FD_TEST( bank_slot==slot );
     370             : 
     371           0 :   fd_acct_addr_t const * writable_alt[ MAX_TXN_PER_MICROBLOCK ];
     372           0 :   ulong                  tips        [ MAX_TXN_PER_MICROBLOCK ] = { 0U };
     373             : 
     374             :   /* Pre-populate ALT accounts for all transactions for rebates.
     375             :      These were copied in during_frag from the source fd_txn_e_t,
     376             :      resolved by fd_resolv_tile. */
     377           0 :   for( ulong i=0UL; i<txn_cnt; i++ ) {
     378           0 :     writable_alt[i] = ctx->_alt_accts[i];
     379           0 :   }
     380             : 
     381           0 :   int   execution_success = 1;
     382           0 :   ulong failed_idx        = ULONG_MAX;
     383             : 
     384             :   /* Every transaction in the bundle should be executed in order against
     385             :      different transaciton contexts. */
     386           0 :   for( ulong i=0UL; i<txn_cnt; i++ ) {
     387             : 
     388           0 :     fd_txn_p_t *   txn     = &txns[ i ];
     389           0 :     fd_txn_in_t *  txn_in  = &ctx->txn_in[ i ];
     390           0 :     fd_txn_out_t * txn_out = &ctx->txn_out[ i ];
     391             : 
     392           0 :     txn_out->err.txn_err = FD_RUNTIME_EXECUTE_SUCCESS;
     393             : 
     394           0 :     txn->flags &= ~FD_TXN_P_FLAGS_SANITIZE_SUCCESS;
     395           0 :     txn->flags &= ~FD_TXN_P_FLAGS_EXECUTE_SUCCESS;
     396             : 
     397           0 :     if( execution_success==0 ) {
     398           0 :       txn->flags = (txn->flags & 0x00FFFFFFU) | ((uint)(-FD_RUNTIME_TXN_ERR_BUNDLE_PEER)<<24);
     399           0 :       continue;
     400           0 :     }
     401             : 
     402           0 :     txn_in->txn              = txn;
     403           0 :     txn_in->bundle.is_bundle = 1;
     404             : 
     405           0 :     fd_runtime_prepare_and_execute_txn( ctx->runtime, bank, txn_in, txn_out );
     406           0 :     txn->flags = (txn->flags & 0x00FFFFFFU) | ((uint)(-txn_out->err.txn_err)<<24);
     407           0 :     if( FD_UNLIKELY( !txn_out->err.is_committable || txn_out->err.txn_err!=FD_RUNTIME_EXECUTE_SUCCESS ) ) {
     408           0 :       execution_success = 0;
     409           0 :       failed_idx = i;
     410           0 :       continue;
     411           0 :     }
     412           0 :   }
     413             : 
     414             :   /* If all of the transactions in the bundle executed successfully, we
     415             :      can commit the transactions in order.  At this point, we cann also
     416             :      accumulate unused CUs to the rebate.  Otherwise, if any transaction
     417             :      fails, we need to exclude all the bundle transcations and rebate
     418             :      all of the CUs. */
     419           0 :   if( FD_LIKELY( execution_success ) ) {
     420           0 :     for( ulong i=0UL; i<txn_cnt; i++ ) {
     421             : 
     422           0 :       fd_txn_in_t *  txn_in    = &ctx->txn_in[ i ];
     423           0 :       fd_txn_out_t * txn_out   = &ctx->txn_out[ i ];
     424           0 :       uchar *        signature = (uchar *)txn_in->txn->payload + TXN( txn_in->txn )->signature_off;
     425             : 
     426           0 :       fd_runtime_commit_txn( ctx->runtime, bank, txn_out );
     427           0 :       if( FD_UNLIKELY( !txn_out->err.is_committable ) ) {
     428           0 :         txns[ i ].flags = (txns[ i ].flags & 0x00FFFFFFU) | ((uint)(-txn_out->err.txn_err)<<24);
     429           0 :         fd_cost_tracker_t * cost_tracker = fd_bank_cost_tracker_locking_modify( bank );
     430           0 :         int err = fd_cost_tracker_try_add_cost( cost_tracker, txn_out );
     431           0 :         FD_LOG_HEXDUMP_WARNING(( "txn", txns[ i ].payload, txns[ i ].payload_sz ));
     432           0 :         FD_BASE58_ENCODE_64_BYTES( signature, signature_b58 );
     433           0 :         FD_LOG_CRIT(( "transaction %s failed to fit into block despite pack guaranteeing it would "
     434           0 :                       "(res=%d) [block_cost=%lu, vote_cost=%lu, allocated_accounts_data_size=%lu, "
     435           0 :                       "block_cost_limit=%lu, vote_cost_limit=%lu, account_cost_limit=%lu]",
     436           0 :                       signature_b58, err, cost_tracker->block_cost, cost_tracker->vote_cost,
     437           0 :                       cost_tracker->allocated_accounts_data_size,
     438           0 :                       cost_tracker->block_cost_limit, cost_tracker->vote_cost_limit,
     439           0 :                       cost_tracker->account_cost_limit ));
     440           0 :       }
     441             : 
     442           0 :       uint actual_execution_cus = (uint)(txn_out->details.compute_budget.compute_unit_limit - txn_out->details.compute_budget.compute_meter);
     443           0 :       uint actual_acct_data_cus = (uint)(txn_out->details.txn_cost.transaction.loaded_accounts_data_size_cost);
     444           0 :       if( FD_UNLIKELY( fd_txn_is_simple_vote_transaction( TXN( &txns[ i ] ), txns[ i ].payload ) ) ) {
     445           0 :         actual_execution_cus = FD_PACK_VOTE_DEFAULT_COMPUTE_UNITS;
     446           0 :         actual_acct_data_cus = 0U;
     447           0 :       }
     448             : 
     449           0 :       uint requested_exec_plus_acct_data_cus  = txns[ i ].pack_cu.requested_exec_plus_acct_data_cus;
     450           0 :       uint non_execution_cus                  = txns[ i ].pack_cu.non_execution_cus;
     451           0 :       txns[ i ].execle_cu.rebated_cus         = requested_exec_plus_acct_data_cus - (actual_execution_cus + actual_acct_data_cus);
     452           0 :       txns[ i ].execle_cu.actual_consumed_cus = non_execution_cus + actual_execution_cus + actual_acct_data_cus;
     453           0 :       txns[ i ].flags                        |= FD_TXN_P_FLAGS_EXECUTE_SUCCESS | FD_TXN_P_FLAGS_SANITIZE_SUCCESS;
     454           0 :       tips[ i ]                               = txn_out->details.tips;
     455           0 :     }
     456           0 :   } else {
     457           0 :     FD_TEST( failed_idx != ULONG_MAX );
     458           0 :     for( ulong i=0UL; i<txn_cnt; i++ ) {
     459             : 
     460           0 :       ctx->txn_out[ i ].err.is_committable = 0;
     461             : 
     462             :       /* If the bundle peer flag is not set, that means the transaction
     463             :          was at least partially sanitized/setup.  We have to cancel
     464             :          these txns as they will not be included in the block. */
     465             : 
     466           0 :       if( i<=failed_idx ) {
     467           0 :         fd_runtime_cancel_txn( ctx->runtime, &ctx->txn_out[ i ] );
     468           0 :       }
     469             : 
     470           0 :       uint requested_exec_plus_acct_data_cus  = txns[ i ].pack_cu.requested_exec_plus_acct_data_cus;
     471           0 :       uint non_execution_cus                  = txns[ i ].pack_cu.non_execution_cus;
     472           0 :       txns[ i ].execle_cu.actual_consumed_cus = 0U;
     473           0 :       txns[ i ].execle_cu.rebated_cus         = requested_exec_plus_acct_data_cus + non_execution_cus;
     474           0 :       tips[ i ]                               = 0UL;
     475           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) );
     476           0 :     }
     477           0 :   }
     478             : 
     479           0 :   if( FD_LIKELY( ctx->enable_rebates ) ) fd_pack_rebate_sum_add_txn( ctx->rebater, txns, writable_alt, txn_cnt );
     480             : 
     481             :   /* Indicate to pack tile we are done processing the transactions so
     482             :      it can pack new microblocks using these accounts. */
     483           0 :   fd_fseq_update( ctx->busy_fseq, seq );
     484             : 
     485             :   /* We need to publish each transaction separately into its own
     486             :      microblock, so make a temporary copy on the stack so we can move
     487             :      all the data around. */
     488           0 :   fd_txn_p_t bundle_txn_temp[ 5UL ];
     489           0 :   for( ulong i=0UL; i<txn_cnt; i++ ) {
     490           0 :     bundle_txn_temp[ i ] = txns[ i ];
     491           0 :   }
     492             : 
     493           0 :   for( ulong i=0UL; i<txn_cnt; i++ ) {
     494           0 :     uchar * dst = (uchar *)fd_chunk_to_laddr( ctx->out_poh->mem, ctx->out_poh->chunk );
     495           0 :     fd_memcpy( dst, bundle_txn_temp+i, sizeof(fd_txn_p_t) );
     496             : 
     497           0 :     fd_microblock_trailer_t * trailer = (fd_microblock_trailer_t *)( dst+sizeof(fd_txn_p_t) );
     498           0 :     hash_transactions( ctx->bmtree, (fd_txn_p_t*)dst, 1UL, trailer->hash );
     499           0 :     trailer->pack_txn_idx = ctx->_txn_idx + i;
     500           0 :     trailer->tips         = tips[ i ];
     501             : 
     502           0 :     ulong execle_sig = fd_disco_execle_sig( slot, ctx->_pack_idx+i );
     503             : 
     504           0 :     long tickcount                 = fd_tickcount();
     505           0 :     long microblock_start_ticks    = fd_frag_meta_ts_decomp( begin_tspub, tickcount );
     506           0 :     long microblock_duration_ticks = fd_long_max(tickcount - microblock_start_ticks, 0L);
     507             : 
     508           0 :     long tx_preload_end_ticks = fd_long_if( ctx->txn_out[ i ].details.prep_start_timestamp!=LONG_MAX,   ctx->txn_out[ i ].details.prep_start_timestamp,   microblock_start_ticks );
     509           0 :     long tx_start_ticks       = fd_long_if( ctx->txn_out[ i ].details.load_start_timestamp!=LONG_MAX,   ctx->txn_out[ i ].details.load_start_timestamp,   tx_preload_end_ticks   );
     510           0 :     long tx_load_end_ticks    = fd_long_if( ctx->txn_out[ i ].details.exec_start_timestamp!=LONG_MAX,   ctx->txn_out[ i ].details.exec_start_timestamp,   tx_start_ticks         );
     511           0 :     long tx_end_ticks         = fd_long_if( ctx->txn_out[ i ].details.commit_start_timestamp!=LONG_MAX, ctx->txn_out[ i ].details.commit_start_timestamp, tx_load_end_ticks      );
     512             : 
     513           0 :     trailer->txn_preload_end_pct = (uchar)(((double)(tx_preload_end_ticks - microblock_start_ticks) * (double)UCHAR_MAX) / (double)microblock_duration_ticks);
     514           0 :     trailer->txn_start_pct       = (uchar)(((double)(tx_start_ticks       - microblock_start_ticks) * (double)UCHAR_MAX) / (double)microblock_duration_ticks);
     515           0 :     trailer->txn_load_end_pct    = (uchar)(((double)(tx_load_end_ticks    - microblock_start_ticks) * (double)UCHAR_MAX) / (double)microblock_duration_ticks);
     516           0 :     trailer->txn_end_pct         = (uchar)(((double)(tx_end_ticks         - microblock_start_ticks) * (double)UCHAR_MAX) / (double)microblock_duration_ticks);
     517             : 
     518           0 :     ulong new_sz = sizeof(fd_txn_p_t) + sizeof(fd_microblock_trailer_t);
     519           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( tickcount ) );
     520           0 :     ctx->out_poh->chunk = fd_dcache_compact_next( ctx->out_poh->chunk, new_sz, ctx->out_poh->chunk0, ctx->out_poh->wmark );
     521           0 :   }
     522             : 
     523           0 :   metrics_write( ctx );
     524           0 : }
     525             : 
     526             : static inline void
     527             : after_frag( fd_execle_tile_t *  ctx,
     528             :             ulong               in_idx,
     529             :             ulong               seq,
     530             :             ulong               sig,
     531             :             ulong               sz,
     532             :             ulong               tsorig,
     533             :             ulong               tspub,
     534           0 :             fd_stem_context_t * stem ) {
     535           0 :   (void)in_idx;
     536             : 
     537           0 :   ulong slot = fd_disco_poh_sig_slot( sig );
     538           0 :   if( FD_UNLIKELY( slot!=ctx->rebates_for_slot ) ) {
     539             :     /* If pack has already moved on to a new slot, the rebates are no
     540             :        longer useful. */
     541           0 :     if( FD_LIKELY( ctx->enable_rebates ) ) fd_pack_rebate_sum_clear( ctx->rebater );
     542           0 :     ctx->rebates_for_slot = slot;
     543           0 :   }
     544             : 
     545           0 :   if( FD_UNLIKELY( ctx->_is_bundle ) ) handle_bundle( ctx, seq, sig, sz, tspub, stem );
     546           0 :   else                                 handle_microblock( ctx, seq, sig, sz, tspub, stem );
     547             : 
     548             :   /* TODO: Use fancier logic to coalesce rebates e.g. and move this to
     549             :      after_credit */
     550           0 :   if( FD_LIKELY( ctx->enable_rebates ) ) {
     551           0 :     ulong written_sz = 0UL;
     552           0 :     while( 0UL!=(written_sz=fd_pack_rebate_sum_report( ctx->rebater, fd_chunk_to_laddr( ctx->out_pack->mem, ctx->out_pack->chunk ) )) ) {
     553           0 :       ulong tspub = (ulong)fd_frag_meta_ts_comp( fd_tickcount() );
     554           0 :       fd_stem_publish( stem, ctx->out_pack->idx, slot, ctx->out_pack->chunk, written_sz, 0UL, tsorig, tspub );
     555           0 :       ctx->out_pack->chunk = fd_dcache_compact_next( ctx->out_pack->chunk, written_sz, ctx->out_pack->chunk0, ctx->out_pack->wmark );
     556           0 :     }
     557           0 :   }
     558           0 : }
     559             : 
     560             : static inline fd_execle_out_t
     561             : out1( fd_topo_t const *      topo,
     562             :       fd_topo_tile_t const * tile,
     563           0 :       char const *           name ) {
     564           0 :   ulong idx = ULONG_MAX;
     565             : 
     566           0 :   for( ulong i=0UL; i<tile->out_cnt; i++ ) {
     567           0 :     fd_topo_link_t const * link = &topo->links[ tile->out_link_id[ i ] ];
     568           0 :     if( !strcmp( link->name, name ) ) {
     569           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 ));
     570           0 :       idx = i;
     571           0 :     }
     572           0 :   }
     573             : 
     574           0 :   if( FD_UNLIKELY( idx==ULONG_MAX ) ) return (fd_execle_out_t){ .idx = ULONG_MAX, .mem = NULL, .chunk0 = 0, .wmark = 0, .chunk = 0 };
     575             : 
     576           0 :   void * mem = topo->workspaces[ topo->objs[ topo->links[ tile->out_link_id[ idx ] ].dcache_obj_id ].wksp_id ].wksp;
     577           0 :   ulong chunk0 = fd_dcache_compact_chunk0( mem, topo->links[ tile->out_link_id[ idx ] ].dcache );
     578           0 :   ulong wmark  = fd_dcache_compact_wmark ( mem, topo->links[ tile->out_link_id[ idx ] ].dcache, topo->links[ tile->out_link_id[ idx ] ].mtu );
     579             : 
     580           0 :   return (fd_execle_out_t){ .idx = idx, .mem = mem, .chunk0 = chunk0, .wmark = wmark, .chunk = chunk0 };
     581           0 : }
     582             : 
     583             : static void
     584             : unprivileged_init( fd_topo_t *      topo,
     585           0 :                    fd_topo_tile_t * tile ) {
     586           0 :   void * scratch = fd_topo_obj_laddr( topo, tile->tile_obj_id );
     587             : 
     588           0 :   FD_SCRATCH_ALLOC_INIT( l, scratch );
     589           0 :   fd_execle_tile_t * ctx = FD_SCRATCH_ALLOC_APPEND( l, alignof(fd_execle_tile_t),  sizeof(fd_execle_tile_t) );
     590           0 :   void * blake3          = FD_SCRATCH_ALLOC_APPEND( l, FD_BLAKE3_ALIGN,            FD_BLAKE3_FOOTPRINT );
     591           0 :   void * bmtree          = FD_SCRATCH_ALLOC_APPEND( l, FD_BMTREE_COMMIT_ALIGN,     FD_BMTREE_COMMIT_FOOTPRINT(0) );
     592           0 :   void * _txncache       = FD_SCRATCH_ALLOC_APPEND( l, fd_txncache_align(),        fd_txncache_footprint( tile->execle.max_live_slots ) );
     593           0 :   void * pc_scratch      = FD_SCRATCH_ALLOC_APPEND( l, FD_PROGCACHE_SCRATCH_ALIGN, FD_PROGCACHE_SCRATCH_FOOTPRINT );
     594             : 
     595           0 : #define NONNULL( x ) (__extension__({                                        \
     596           0 :       __typeof__((x)) __x = (x);                                             \
     597           0 :       if( FD_UNLIKELY( !__x ) ) FD_LOG_ERR(( #x " was unexpectedly NULL" )); \
     598           0 :       __x; }))
     599             : 
     600           0 :   ctx->kind_id   = tile->kind_id;
     601           0 :   ctx->blake3    = NONNULL( fd_blake3_join( fd_blake3_new( blake3 ) ) );
     602           0 :   ctx->bmtree    = NONNULL( bmtree );
     603             : 
     604           0 :   NONNULL( fd_pack_rebate_sum_join( fd_pack_rebate_sum_new( ctx->rebater ) ) );
     605           0 :   ctx->rebates_for_slot  = 0UL;
     606             : 
     607           0 :   fd_accdb_init_from_topo( ctx->accdb, topo, tile );
     608             : 
     609           0 :   void * shprogcache = fd_topo_obj_laddr( topo, tile->execle.progcache_obj_id );
     610           0 :   FD_TEST( shprogcache );
     611           0 :   fd_progcache_t * progcache = fd_progcache_join( ctx->progcache, shprogcache, pc_scratch, FD_PROGCACHE_SCRATCH_FOOTPRINT );
     612           0 :   FD_TEST( progcache );
     613             : 
     614           0 :   void * _txncache_shmem = fd_topo_obj_laddr( topo, tile->execle.txncache_obj_id );
     615           0 :   fd_txncache_shmem_t * txncache_shmem = fd_txncache_shmem_join( _txncache_shmem );
     616           0 :   FD_TEST( txncache_shmem );
     617           0 :   fd_txncache_t * txncache = fd_txncache_join( fd_txncache_new( _txncache, txncache_shmem ) );
     618           0 :   FD_TEST( txncache );
     619             : 
     620             : 
     621           0 :   fd_acc_pool_t * acc_pool = fd_acc_pool_join( fd_topo_obj_laddr( topo, tile->execle.acc_pool_obj_id ) );
     622           0 :   FD_TEST( acc_pool );
     623             : 
     624           0 :   for( ulong i=0UL; i<FD_PACK_MAX_TXN_PER_BUNDLE; i++ ) {
     625           0 :     ctx->txn_in[ i ].bundle.prev_txn_cnt = i;
     626           0 :     for( ulong j=0UL; j<i; j++ ) ctx->txn_in[ i ].bundle.prev_txn_outs[ j ] = &ctx->txn_out[ j ];
     627           0 :   }
     628             : 
     629           0 :   ctx->runtime->accdb                    = ctx->accdb;
     630           0 :   ctx->runtime->progcache                = progcache;
     631           0 :   ctx->runtime->status_cache             = txncache;
     632           0 :   ctx->runtime->acc_pool                 = acc_pool;
     633           0 :   ctx->runtime->log.log_collector        = ctx->log_collector;
     634           0 :   ctx->runtime->log.enable_log_collector = 0;
     635           0 :   ctx->runtime->log.capture_ctx          = NULL;
     636           0 :   ctx->runtime->log.dumping_mem          = NULL;
     637           0 :   ctx->runtime->log.tracing_mem          = NULL;
     638             : 
     639           0 :   ulong banks_obj_id = fd_pod_queryf_ulong( topo->props, ULONG_MAX, "banks" );
     640           0 :   FD_TEST( banks_obj_id!=ULONG_MAX );
     641           0 :   ulong banks_locks_obj_id = fd_pod_queryf_ulong( topo->props, ULONG_MAX, "banks_locks" );
     642           0 :   FD_TEST( banks_locks_obj_id!=ULONG_MAX );
     643           0 :   NONNULL( fd_banks_join( ctx->banks, fd_topo_obj_laddr( topo, banks_obj_id ), fd_topo_obj_laddr( topo, banks_locks_obj_id ) ) );
     644             : 
     645           0 :   ulong busy_obj_id = fd_pod_queryf_ulong( topo->props, ULONG_MAX, "execle_busy.%lu", tile->kind_id );
     646           0 :   FD_TEST( busy_obj_id!=ULONG_MAX );
     647           0 :   ctx->busy_fseq = fd_fseq_join( fd_topo_obj_laddr( topo, busy_obj_id ) );
     648           0 :   if( FD_UNLIKELY( !ctx->busy_fseq ) ) FD_LOG_ERR(( "execle tile %lu has no busy flag", tile->kind_id ));
     649             : 
     650           0 :   memset( &ctx->metrics, 0, sizeof( ctx->metrics ) );
     651             : 
     652           0 :   ctx->pack_in_mem = topo->workspaces[ topo->objs[ topo->links[ tile->in_link_id[ 0UL ] ].dcache_obj_id ].wksp_id ].wksp;
     653           0 :   ctx->pack_in_chunk0 = fd_dcache_compact_chunk0( ctx->pack_in_mem, topo->links[ tile->in_link_id[ 0UL ] ].dcache );
     654           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 );
     655             : 
     656           0 :   *ctx->out_poh = out1( topo, tile, "execle_poh" ); FD_TEST( ctx->out_poh->idx!=ULONG_MAX );
     657           0 :   *ctx->out_pack = out1( topo, tile, "execle_pack" );
     658             : 
     659           0 :   ctx->enable_rebates = ctx->out_pack->idx!=ULONG_MAX;
     660           0 : }
     661             : 
     662             : static ulong
     663             : populate_allowed_seccomp( fd_topo_t const *      topo,
     664             :                           fd_topo_tile_t const * tile,
     665             :                           ulong                  out_cnt,
     666           0 :                           struct sock_filter *   out ) {
     667           0 :   (void)topo;
     668           0 :   (void)tile;
     669             : 
     670           0 :   populate_sock_filter_policy_fd_execle_tile( out_cnt, out, (uint)fd_log_private_logfile_fd() );
     671           0 :   return sock_filter_policy_fd_execle_tile_instr_cnt;
     672           0 : }
     673             : 
     674             : static ulong
     675             : populate_allowed_fds( fd_topo_t const *      topo,
     676             :                       fd_topo_tile_t const * tile,
     677             :                       ulong                  out_fds_cnt,
     678           0 :                       int *                  out_fds ) {
     679           0 :   (void)topo;
     680           0 :   (void)tile;
     681             : 
     682           0 :   if( FD_UNLIKELY( out_fds_cnt<2UL ) ) FD_LOG_ERR(( "out_fds_cnt %lu", out_fds_cnt ));
     683             : 
     684           0 :   ulong out_cnt = 0UL;
     685           0 :   out_fds[ out_cnt++ ] = 2; /* stderr */
     686           0 :   if( FD_LIKELY( -1!=fd_log_private_logfile_fd() ) )
     687           0 :     out_fds[ out_cnt++ ] = fd_log_private_logfile_fd(); /* logfile */
     688           0 :   return out_cnt;
     689           0 : }
     690             : 
     691             : /* For a bundle, one bundle might burst into at most 5 separate PoH mixins, since the
     692             :    microblocks cannot be conflicting. */
     693             : 
     694           0 : #define STEM_BURST (5UL)
     695             : 
     696             : /* See explanation in fd_pack */
     697           0 : #define STEM_LAZY  (128L*3000L)
     698             : 
     699           0 : #define STEM_CALLBACK_CONTEXT_TYPE  fd_execle_tile_t
     700           0 : #define STEM_CALLBACK_CONTEXT_ALIGN alignof(fd_execle_tile_t)
     701             : 
     702           0 : #define STEM_CALLBACK_METRICS_WRITE metrics_write
     703           0 : #define STEM_CALLBACK_BEFORE_FRAG   before_frag
     704           0 : #define STEM_CALLBACK_DURING_FRAG   during_frag
     705           0 : #define STEM_CALLBACK_AFTER_FRAG    after_frag
     706             : 
     707             : #include "../../disco/stem/fd_stem.c"
     708             : 
     709             : fd_topo_run_tile_t fd_tile_execle = {
     710             :   .name                     = "execle",
     711             :   .populate_allowed_seccomp = populate_allowed_seccomp,
     712             :   .populate_allowed_fds     = populate_allowed_fds,
     713             :   .scratch_align            = scratch_align,
     714             :   .scratch_footprint        = scratch_footprint,
     715             :   .unprivileged_init        = unprivileged_init,
     716             :   .run                      = stem_run,
     717             : };

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