LCOV - code coverage report
Current view: top level - disco/pack - fd_pack.c (source / functions) Hit Total Coverage
Test: cov.lcov Lines: 1557 1750 89.0 %
Date: 2026-06-15 10:19:09 Functions: 37 44 84.1 %

          Line data    Source code
       1             : #define FD_UNALIGNED_ACCESS_STYLE 0
       2             : #include "fd_pack.h"
       3             : #include "fd_pack_cost.h"
       4             : #include "fd_pack_bitset.h"
       5             : #include "fd_pack_unwritable.h"
       6             : #include "fd_chkdup.h"
       7             : #include "fd_pack_tip_prog_blacklist.h"
       8             : #include <math.h> /* for sqrt */
       9             : #include <stddef.h> /* for offsetof */
      10             : #include "../metrics/fd_metrics.h"
      11             : 
      12             : #define FD_PACK_USE_NON_TEMPORAL_MEMCPY 1
      13             : 
      14             : /* Declare a bunch of helper structs used for pack-internal data
      15             :    structures. */
      16             : typedef struct {
      17             :   fd_ed25519_sig_t sig;
      18             : } wrapped_sig_t;
      19             : 
      20             : typedef struct {
      21             :   fd_acct_addr_t key;
      22             : } wrapped_acct_t;
      23             : 
      24             : /* fd_pack_ord_txn_t: An fd_txn_p_t with information required to order
      25             :    it by priority. */
      26             : struct fd_pack_private_ord_txn {
      27             :   /* It's important that there be no padding here (asserted below)
      28             :      because the code casts back and forth from pointers to this element
      29             :      to pointers to the whole struct. */
      30             :   union {
      31             :     fd_txn_p_t   txn[1];  /* txn is an alias for txn_e->txnp */
      32             :     fd_txn_e_t   txn_e[1];
      33             :     fd_txn_e_t   _txn_e;  /* Non-array type needed for map_chain */
      34             :     struct{ uchar _sig_cnt; wrapped_sig_t sig; };
      35             :   };
      36             : 
      37             :   /* Since this struct can be in one of several trees, it's helpful to
      38             :      store which tree.  This should be one of the FD_ORD_TXN_ROOT_*
      39             :      values. */
      40             :   int root;
      41             : 
      42             :   /* The sig2txn map_chain fields */
      43             :   ushort sigmap_next;
      44             :   ushort sigmap_prev;
      45             : 
      46             :   /* Each transaction is inserted with an expiration "time."  This code
      47             :      doesn't care about the units (blocks, rdtsc tick, ns, etc.), and
      48             :      doesn't require transactions to be inserted in expiration date
      49             :      order. */
      50             :   ulong expires_at;
      51             :   /* expq_idx: When this object is part of one of the treaps, it's
      52             :      also in the expiration priority queue.  This field (which is
      53             :      manipulated behind the scenes by the fd_prq code) stores where so
      54             :      that if we delete this transaction, we can also delete it from the
      55             :      expiration priority queue. */
      56             :   ulong expq_idx;
      57             : 
      58             :   /* The noncemap map_chain fields */
      59             :   ushort noncemap_next;
      60             :   ushort noncemap_prev;
      61             : 
      62             :   /* We want rewards*compute_est to fit in a ulong so that r1/c1 < r2/c2 can be
      63             :      computed as r1*c2 < r2*c1, with the product fitting in a ulong.
      64             :      compute_est has a small natural limit of mid-20 bits. rewards doesn't have
      65             :      a natural limit, so there is some argument to be made for raising the
      66             :      limit for rewards to 40ish bits. The struct has better packing with
      67             :      uint/uint though. */
      68             :   uint                __attribute__((aligned(64))) /* We want the treap fields and the bitsets
      69             :                                                        to be on the same double cache line pair */
      70             :                rewards;     /* in Lamports */
      71             :   uint         compute_est; /* in compute units */
      72             : 
      73             :   /* The treap fields */
      74             :   ushort left;
      75             :   ushort right;
      76             :   ushort parent;
      77             :   ushort prio;
      78             :   ushort prev;
      79             :   ushort next;
      80             : 
      81             :   /* skip: if we skip this transaction more than FD_PACK_SKIP_CNT times
      82             :      for reasons that won't go away until the end of the block, then we
      83             :      want to skip it very quickly.  If skip is in [1, FD_PACK_SKIP_CNT],
      84             :      then that means we have to skip it `skip` more times before taking
      85             :      any action.  If skip>FD_PACK_SKIP_CNT, then it is a compressed slot
      86             :      number during which it should be skipped, and we'll skip it until
      87             :      the compressed slot reaches a new value.  skip is never 0. */
      88             :   ushort skip;
      89             : 
      90             :   FD_PACK_BITSET_DECLARE( rw_bitset ); /* all accts this txn references */
      91             :   FD_PACK_BITSET_DECLARE(  w_bitset ); /* accts this txn write-locks    */
      92             : 
      93             : };
      94             : typedef struct fd_pack_private_ord_txn fd_pack_ord_txn_t;
      95             : 
      96             : /* What we want is that the payload starts at byte 0 of
      97             :    fd_pack_ord_txn_t so that the trick with the signature map works
      98             :    properly.  GCC and Clang seem to disagree on the rules of offsetof.
      99             :    */
     100             : FD_STATIC_ASSERT( offsetof( fd_pack_ord_txn_t, txn          )==0UL, fd_pack_ord_txn_t );
     101             : FD_STATIC_ASSERT( offsetof( fd_pack_ord_txn_t, sig          )==1UL, fd_pack_ord_txn_t );
     102             : #if FD_USING_CLANG
     103             : FD_STATIC_ASSERT( offsetof( fd_txn_p_t,             payload )==0UL, fd_pack_ord_txn_t );
     104             : #else
     105             : FD_STATIC_ASSERT( offsetof( fd_pack_ord_txn_t, txn->payload )==0UL, fd_pack_ord_txn_t );
     106             : FD_STATIC_ASSERT( offsetof( fd_pack_ord_txn_t, txn_e->txnp  )==0UL, fd_pack_ord_txn_t );
     107             : #endif
     108             : 
     109             : /* FD_ORD_TXN_ROOT is essentially a small union packed into an int.  The low
     110             :    byte is the "tag".  The higher 3 bytes depend on the low byte. */
     111     4452279 : #define FD_ORD_TXN_ROOT_TAG_MASK        0xFF
     112    19638657 : #define FD_ORD_TXN_ROOT_FREE            0
     113    17975993 : #define FD_ORD_TXN_ROOT_PENDING         1
     114    13245963 : #define FD_ORD_TXN_ROOT_PENDING_VOTE    2
     115        1065 : #define FD_ORD_TXN_ROOT_PENDING_BUNDLE  3
     116      328987 : #define FD_ORD_TXN_ROOT_PENALTY( idx ) (4 | (idx)<<8)
     117             : 
     118             : /* if root & TAG_MASK == PENALTY, then PENALTY_ACCT_IDX(root) gives the index
     119             :    in the transaction's list of account addresses of which penalty treap the
     120             :    transaction is in. */
     121             : #define FD_ORD_TXN_ROOT_PENALTY_ACCT_IDX( root ) (((root) & 0xFF00)>>8)
     122             : 
     123    29114025 : #define FD_PACK_IN_USE_WRITABLE    (0x8000000000000000UL)
     124    15322248 : #define FD_PACK_IN_USE_BIT_CLEARED (0x4000000000000000UL)
     125             : 
     126             : /* Each non-empty microblock we schedule also has an overhead of 48
     127             :    bytes that counts towards shed limits.  That comes from the 32 byte
     128             :    hash, the hash count (8 bytes) and the transaction count (8 bytes).
     129             :    We don't have to pay this overhead if the microblock is empty, since
     130             :    those microblocks get dropped. */
     131     3187824 : #define MICROBLOCK_DATA_OVERHEAD 48UL
     132             : 
     133             : /* Keep track of accounts that are written to in each block so that we
     134             :    can reset the writer costs to 0.  If the number of accounts that are
     135             :    written to is above or equal to this, we'll just clear the whole
     136             :    writer cost map instead of only removing the elements we increased. */
     137        1401 : #define DEFAULT_WRITTEN_LIST_MAX 16384UL
     138             : 
     139             : FD_STATIC_ASSERT( sizeof(fd_acct_addr_t)==sizeof(fd_pubkey_t), "" );
     140             : 
     141             : /* fd_pack_expq_t: An element of an fd_prq to sort the transactions by
     142             :    timeout.  This structure has several invariants for entries
     143             :    corresponding to pending transactions:
     144             :      expires_at == txn->expires_at
     145             :      txn->exp_prq_idx is the index of this structure
     146             :    Notice that prq is an array-based heap, which means the indexes of
     147             :    elements change.  The PRQ_TMP_ST macro is hijacked to keep that
     148             :    invariant up to date.
     149             : 
     150             :    Note: this could be easier if fd_heap supported deleting from the
     151             :    middle, but that's not possible with the current design of fd_heap,
     152             :    which omits a parent pointer for improved performance. */
     153             : struct fd_pack_expq {
     154             :   ulong               expires_at;
     155             :   fd_pack_ord_txn_t * txn;
     156             : };
     157             : typedef struct fd_pack_expq fd_pack_expq_t;
     158             : 
     159             : 
     160             : /* fd_pack_bitset_acct_mapping_t: An element of an fd_map_dynamic that
     161             :    maps an account address to the number of transactions that are
     162             :    referencing it and the bit that is reserved to indicate it in the
     163             :    bitset, if any. */
     164             : struct fd_pack_bitset_acct_mapping {
     165             :   fd_acct_addr_t key; /* account address */
     166             :   ulong          ref_cnt;
     167             : 
     168             :   /* first_instance and first_instance_was_write are only valid when
     169             :      bit==FD_PACK_BITSET_FIRST_INSTANCE, which is set when ref_cnt
     170             :      transitions from 0 to 1.  These just exist to implement the
     171             :      optimization that accounts referenced a single time aren't
     172             :      allocated a bit, but this seems to be an important optimization. */
     173             :   fd_pack_ord_txn_t * first_instance;
     174             :   int                 first_instance_was_write;
     175             : 
     176             :   /* bit is in [0, FD_PACK_BITSET_MAX) U
     177             :      { FD_PACK_BITSET_FIRST_INSTANCE, FD_PACK_BITSET_SLOWPATH }. */
     178             :   ushort              bit;
     179             : };
     180             : typedef struct fd_pack_bitset_acct_mapping fd_pack_bitset_acct_mapping_t;
     181             : 
     182             : 
     183             : 
     184             : /* pack maintains a small state machine related to initializer bundles.
     185             :    See the header file for more details about it, but it's
     186             :    also summarized here:
     187             :    * NOT_INITIALIZED: The starting state for each block
     188             :    * PENDING: an initializer bundle has been scheduled, but pack has
     189             :      not observed its result yet, so we don't know if it was successful
     190             :      or not.
     191             :    * FAILED: the most recently scheduled initializer bundle failed
     192             :      for reasons other than already being executed.  Most commonly, this
     193             :      could be because of a bug in the code that generated the
     194             :      initializer bundle, a lack of fee payer balance, or an expired
     195             :      blockhash.
     196             :    * READY: the most recently scheduled initialization bundle succeeded
     197             :      and normal bundles can be scheduled in this slot. */
     198        2646 : #define FD_PACK_IB_STATE_NOT_INITIALIZED 0
     199           0 : #define FD_PACK_IB_STATE_PENDING         1
     200           0 : #define FD_PACK_IB_STATE_FAILED          2
     201           3 : #define FD_PACK_IB_STATE_READY           3
     202             : 
     203             : 
     204             : /* Returns 1 if x.rewards/x.compute < y.rewards/y.compute. Not robust. */
     205    95498877 : #define COMPARE_WORSE(x,y) ( ((ulong)((x)->rewards)*(ulong)((y)->compute_est)) < ((ulong)((y)->rewards)*(ulong)((x)->compute_est)) )
     206             : 
     207             : /* Declare all the data structures */
     208             : 
     209             : 
     210             : /* Define the big max-"heap" that we pull transactions off to schedule.
     211             :    The priority is given by reward/compute.  We may want to add in some
     212             :    additional terms at a later point.  In order to cheaply remove nodes,
     213             :    we actually use a treap.  */
     214             : #define POOL_NAME       trp_pool
     215        1620 : #define POOL_T          fd_pack_ord_txn_t
     216             : #define POOL_IDX_T      ushort
     217    29546265 : #define POOL_NEXT       parent
     218             : #include "../../util/tmpl/fd_pool.c"
     219             : 
     220             : #define TREAP_T         fd_pack_ord_txn_t
     221             : #define TREAP_NAME      treap
     222             : #define TREAP_QUERY_T   void *                                         /* We don't use query ... */
     223             : #define TREAP_CMP(a,b)  (__extension__({ (void)(a); (void)(b); -1; })) /* which means we don't need to give a real
     224             :                                                                           implementation to cmp either */
     225   180226389 : #define TREAP_IDX_T     ushort
     226             : #define TREAP_OPTIMIZE_ITERATION 1
     227    95498877 : #define TREAP_LT        COMPARE_WORSE
     228             : #include "../../util/tmpl/fd_treap.c"
     229             : 
     230             : 
     231             : #define MAP_NAME              sig2txn
     232             : #define MAP_OPTIMIZE_RANDOM_ACCESS_REMOVAL 1
     233             : #define MAP_MULTI              1
     234    13549749 : #define MAP_ELE_T              fd_pack_ord_txn_t
     235    36277701 : #define MAP_PREV               sigmap_prev
     236    34860765 : #define MAP_NEXT               sigmap_next
     237    13554535 : #define MAP_IDX_T              ushort
     238             : #define MAP_KEY_T              wrapped_sig_t
     239    26590161 : #define MAP_KEY                sig
     240        1088 : #define MAP_KEY_EQ(k0,k1)      (!memcmp( (k0),(k1), FD_TXN_SIGNATURE_SZ) )
     241    26591235 : #define MAP_KEY_HASH(key,seed) fd_hash( (seed), (key), 64UL )
     242             : #include "../../util/tmpl/fd_map_chain.c"
     243             : 
     244             : 
     245             : /* noncemap: A map from (nonce account, nonce authority, recent
     246             :    blockhash) to a durable nonce transaction containing it.  We only
     247             :    want to allow one transaction in the pool at a time with a given
     248             :    (nonce account, recent blockhash) tuple value.  The question is: can
     249             :    adding this limitation cause us to throw out potentially valuable
     250             :    transaction?  The answer is yes, but only very rarely, and the
     251             :    savings are worth it.  Suppose we have durable nonce transactions t1
     252             :    and t2 that advance the same nonce account and have the same value
     253             :    for the recent blockhash.
     254             : 
     255             :    - If t1 lands on chain, then it will advance the nonce account, and
     256             :    t2 will certainly not land on chain.
     257             :    - If t1 fails with AlreadyExecuted, that means the nonce account was
     258             :    advanced when t1 landed in a previous block, so t2 will certainly not
     259             :    land on chain.
     260             :    - If t1 fails with BlockhashNotFound, then the nonce account was
     261             :    advanced in some previous transaction, so again, t2 will certainly
     262             :    not land on chain.
     263             :    - If t1 does not land on chain because of an issue with the fee
     264             :    payer, it's possible that t2 could land on chain if it used a
     265             :    different fee payer, but historical data shows this is unlikely.
     266             :    - If t1 does not land on chain because it is part of a bundle that
     267             :    fails for an unrelated reason, it's possible that t2 could land on
     268             :    chain, but again, historical data says this is rare.
     269             : 
     270             :    We need to include the nonce authority in the hash to prevent one
     271             :    user from being able to DoS another user. */
     272             : 
     273             : typedef struct {
     274             :   uchar const * recent_blockhash;
     275             :   fd_acct_addr_t const * nonce_acct;
     276             :   fd_acct_addr_t const * nonce_auth;
     277             : } noncemap_extract_t;
     278             : 
     279             : /* k must be a valid, durable nonce transaction.  No error checking is
     280             :    done. */
     281             : static inline void
     282             : noncemap_extract( fd_txn_e_t const   * k,
     283        3363 :                   noncemap_extract_t * out ) {
     284        3363 :   fd_txn_t const * txn = TXN(k->txnp);
     285        3363 :   out->recent_blockhash = fd_txn_get_recent_blockhash( txn, k->txnp->payload );
     286             : 
     287        3363 :   ulong nonce_idx = k->txnp->payload[ txn->instr[ 0 ].acct_off+0 ];
     288        3363 :   ulong autho_idx = k->txnp->payload[ txn->instr[ 0 ].acct_off+2 ];
     289             : 
     290        3363 :   ulong imm_cnt = fd_txn_account_cnt( txn, FD_TXN_ACCT_CAT_IMM );
     291        3363 :   fd_acct_addr_t const * accts   = fd_txn_get_acct_addrs( txn, k->txnp->payload );
     292        3363 :   fd_acct_addr_t const * alt_adj = k->alt_accts - imm_cnt;
     293        3363 :   out->nonce_acct = fd_ptr_if( nonce_idx<imm_cnt, accts, alt_adj )+nonce_idx;
     294             :   /* The nonce authority must be a signer, so it must be an immediate
     295             :      account. */
     296        3363 :   out->nonce_auth = accts+autho_idx;
     297        3363 : }
     298             : 
     299             : static inline int
     300             : noncemap_key_eq_internal( fd_txn_e_t const * k0,
     301         167 :                           fd_txn_e_t const * k1 ) {
     302         167 :   noncemap_extract_t e0[1], e1[1];
     303         167 :   noncemap_extract( k0, e0 );
     304         167 :   noncemap_extract( k1, e1 );
     305             : 
     306         167 :   if( FD_UNLIKELY( memcmp( e0->recent_blockhash, e1->recent_blockhash, 32UL ) ) ) return 0;
     307          63 :   if( FD_UNLIKELY( memcmp( e0->nonce_acct,       e1->nonce_acct,       32UL ) ) ) return 0;
     308          63 :   if( FD_UNLIKELY( memcmp( e0->nonce_auth,       e1->nonce_auth,       32UL ) ) ) return 0;
     309          63 :   return 1;
     310          63 : }
     311             : 
     312             : static inline ulong
     313             : noncemap_key_hash_internal( ulong              seed,
     314        3029 :                             fd_txn_e_t const * k ) {
     315             :   /* TODO: This takes >100 cycles! */
     316        3029 :   noncemap_extract_t e[1];
     317        3029 :   noncemap_extract( k, e );
     318        3029 :   return fd_hash( seed,              e->recent_blockhash, 32UL ) ^
     319        3029 :          fd_hash( seed+ 864394383UL, e->nonce_acct,       32UL ) ^
     320        3029 :          fd_hash( seed+3818662446UL, e->nonce_auth,       32UL );
     321        3029 : }
     322             : 
     323             : #define MAP_NAME               noncemap
     324             : #define MAP_OPTIMIZE_RANDOM_ACCESS_REMOVAL 1
     325             : #define MAP_MULTI              0
     326         375 : #define MAP_ELE_T              fd_pack_ord_txn_t
     327         582 : #define MAP_PREV               noncemap_prev
     328        1082 : #define MAP_NEXT               noncemap_next
     329        4197 : #define MAP_IDX_T              ushort
     330             : #define MAP_KEY_T              fd_txn_e_t
     331         749 : #define MAP_KEY                _txn_e
     332         167 : #define MAP_KEY_EQ(k0,k1)      noncemap_key_eq_internal( (k0), (k1) )
     333        3029 : #define MAP_KEY_HASH(key,seed) noncemap_key_hash_internal( (seed), (key) )
     334             : #include "../../util/tmpl/fd_map_chain.c"
     335             : 
     336             : 
     337             : static const fd_acct_addr_t null_addr = { 0 };
     338             : 
     339             : #define MAP_NAME              acct_uses
     340    94133858 : #define MAP_T                 fd_pack_addr_use_t
     341   111083327 : #define MAP_KEY_T             fd_acct_addr_t
     342   319430435 : #define MAP_KEY_NULL          null_addr
     343             : #if FD_HAS_AVX
     344   111083327 : # define MAP_KEY_INVAL(k)     _mm256_testz_si256( wb_ldu( (k).b ), wb_ldu( (k).b ) )
     345             : #else
     346             : # define MAP_KEY_INVAL(k)     MAP_KEY_EQUAL(k, null_addr)
     347             : #endif
     348    77153430 : #define MAP_KEY_EQUAL(k0,k1)  (!memcmp((k0).b,(k1).b, FD_TXN_ACCT_ADDR_SZ))
     349             : #define MAP_KEY_EQUAL_IS_SLOW 1
     350             : #define MAP_MEMOIZE           0
     351    94127749 : #define MAP_KEY_HASH(key,s)   ((uint)fd_ulong_hash( fd_ulong_load_8( (key).b ) ))
     352             : #include "../../util/tmpl/fd_map_dynamic.c"
     353             : 
     354             : 
     355             : #define MAP_NAME              bitset_map
     356    52258958 : #define MAP_T                 fd_pack_bitset_acct_mapping_t
     357    65533410 : #define MAP_KEY_T             fd_acct_addr_t
     358   877065509 : #define MAP_KEY_NULL          null_addr
     359             : #if FD_HAS_AVX
     360  1654814178 : # define MAP_KEY_INVAL(k)     _mm256_testz_si256( wb_ldu( (k).b ), wb_ldu( (k).b ) )
     361             : #else
     362             : # define MAP_KEY_INVAL(k)     MAP_KEY_EQUAL(k, null_addr)
     363             : #endif
     364    39017400 : #define MAP_KEY_EQUAL(k0,k1)  (!memcmp((k0).b,(k1).b, FD_TXN_ACCT_ADDR_SZ))
     365             : #define MAP_KEY_EQUAL_IS_SLOW 1
     366             : #define MAP_MEMOIZE           0
     367    52285642 : #define MAP_KEY_HASH(key,s)   ((uint)fd_ulong_hash( fd_ulong_load_8( (key).b ) ))
     368             : #include "../../util/tmpl/fd_map_dynamic.c"
     369             : 
     370             : 
     371             : #define MAP_NAME              acct_blocklist
     372    19195965 : #define MAP_T                 wrapped_acct_t
     373             : /* Add 1 to the slot cnt to ensure the map is sparse even at capacity */
     374    19213446 : #define MAP_LG_SLOT_CNT       (FD_PACK_ACCT_BLOCKLIST_LG_MAX+1)
     375    19195428 : #define MAP_KEY_T             fd_acct_addr_t
     376       17472 : #define MAP_KEY_NULL          null_addr
     377             : #if FD_HAS_AVX
     378    38392407 : # define MAP_KEY_INVAL(k)     _mm256_testz_si256( wb_ldu( (k).b ), wb_ldu( (k).b ) )
     379             : #else
     380             : # define MAP_KEY_INVAL(k)     MAP_KEY_EQUAL(k, null_addr)
     381             : #endif
     382    19195365 : #define MAP_KEY_EQUAL(k0,k1)  (!memcmp((k0).b,(k1).b, FD_TXN_ACCT_ADDR_SZ))
     383             : /* It would be nice if this were seeded, but since fd_map doesn't have
     384             :    any auxiliary data, there's not a clear place to store the seed.
     385             :    It's okay though, because the insert process is trusted, since it
     386             :    comes from operator config. */
     387    19195419 : #define MAP_KEY_HASH(key)     ((uint)fd_ulong_hash( fd_ulong_load_8( (key).b ) ))
     388             : #define MAP_KEY_EQUAL_IS_SLOW 1
     389             : #define MAP_MEMOIZE           0
     390             : #define MAX_QUERY_OPT         2 /* rare hits */
     391             : #include "../../util/tmpl/fd_map.c"
     392             : 
     393             : /* Since transactions can also expire, we also maintain a parallel
     394             :    priority queue.  This means elements are simultaneously part of the
     395             :    treap (ordered by priority) and the expiration queue (ordered by
     396             :    expiration).  It's tempting to use the priority field of the treap
     397             :    for this purpose, but that can result in degenerate treaps in some
     398             :    cases. */
     399             : #define PRQ_NAME             expq
     400    32764057 : #define PRQ_T                fd_pack_expq_t
     401    27086910 : #define PRQ_TIMEOUT_T        ulong
     402    27086910 : #define PRQ_TIMEOUT          expires_at
     403    15858793 : #define PRQ_TMP_ST(p,t)      do {                                   \
     404    15858793 :                                (p)[0] = (t);                        \
     405    15858793 :                                t.txn->expq_idx = (ulong)((p)-heap); \
     406    15858793 :                              } while( 0 )
     407             : #include "../../util/tmpl/fd_prq.c"
     408             : 
     409             : /* With realistic traffic patterns, we often see many, many transactions
     410             :    competing for the same writable account.  Since only one of these can
     411             :    execute at a time, we sometimes waste lots of scheduling time going
     412             :    through them one at a time.  To combat that, when a transaction
     413             :    writes to an account with more than PENALTY_TREAP_THRESHOLD
     414             :    references (readers or writers), instead of inserting it into the
     415             :    main treap, we insert it into a penalty treap for that specific hot
     416             :    account address.  These transactions are not immediately available
     417             :    for scheduling.  Then, when a transaction that writes to the hot
     418             :    address completes, we move the most lucrative transaction from the
     419             :    penalty treap to the main treap, making it available for scheduling.
     420             :    This policy may slightly violate the price-time priority scheduling
     421             :    approach pack normally uses: if the most lucrative transaction
     422             :    competing for hot state arrives after PENALTY_TREAP_THRESHOLD has
     423             :    been hit, it may be scheduled second instead of first.  However, if
     424             :    the account is in use at the time the new transaction arrives, it
     425             :    will be scheduled next, as desired.  This minor difference seems
     426             :    reasonable to reduce complexity.
     427             : 
     428             :    fd_pack_penalty_treap is one account-specific penalty treap.  All the
     429             :    transactions in the penalty_treap treap write to key.
     430             : 
     431             :    penalty_map is the fd_map_dynamic that maps accounts to their
     432             :    respective penalty treaps. */
     433             : struct fd_pack_penalty_treap {
     434             :   fd_acct_addr_t key;
     435             :   treap_t penalty_treap[1];
     436             : };
     437             : typedef struct fd_pack_penalty_treap fd_pack_penalty_treap_t;
     438             : 
     439             : #define MAP_NAME              penalty_map
     440     4269256 : #define MAP_T                 fd_pack_penalty_treap_t
     441     4271076 : #define MAP_KEY_T             fd_acct_addr_t
     442    13500117 : #define MAP_KEY_NULL          null_addr
     443             : #if FD_HAS_AVX
     444    29103588 : # define MAP_KEY_INVAL(k)     _mm256_testz_si256( wb_ldu( (k).b ), wb_ldu( (k).b ) )
     445             : #else
     446             : # define MAP_KEY_INVAL(k)     MAP_KEY_EQUAL(k, null_addr)
     447             : #endif
     448     4265274 : #define MAP_KEY_EQUAL(k0,k1)  (!memcmp((k0).b,(k1).b, FD_TXN_ACCT_ADDR_SZ))
     449             : #define MAP_KEY_EQUAL_IS_SLOW 1
     450             : #define MAP_MEMOIZE           0
     451     4268173 : #define MAP_KEY_HASH(key,s)   ((uint)fd_ulong_hash( fd_ulong_load_8( (key).b ) ))
     452             : #include "../../util/tmpl/fd_map_dynamic.c"
     453             : 
     454             : /* PENALTY_TREAP_THRESHOLD: How many references to an account do we
     455             :    allow before subsequent transactions that write to the account go to
     456             :    the penalty treap. */
     457    29406729 : #define PENALTY_TREAP_THRESHOLD 64UL
     458             : 
     459             : 
     460             : /* FD_PACK_SKIP_CNT: How many times we'll skip a transaction (for
     461             :    reasons other than account conflicts) before we won't consider it
     462             :    until the next slot.  For performance reasons, this doesn't reset at
     463             :    the end of a slot, so e.g. we might skip twice in slot 1, then three
     464             :    times in slot 2, which would be enough to prevent considering it
     465             :    until slot 3.  The main reason this is not 1 is that some skips that
     466             :    seem permanent until the end of the slot can actually go away based
     467             :    on rebates. */
     468    13555695 : #define FD_PACK_SKIP_CNT 50UL
     469             : 
     470             : /* Finally, we can now declare the main pack data structure */
     471             : struct fd_pack_private {
     472             :   ulong      pack_depth;
     473             :   ulong      bundle_meta_sz; /* if 0, bundles are disabled */
     474             :   ulong      bank_tile_cnt;
     475             : 
     476             :   fd_pack_limits_t lim[1];
     477             : 
     478             :   ulong      pending_txn_cnt; /* Summed across all treaps */
     479             :   ulong      microblock_cnt; /* How many microblocks have we
     480             :                                 generated in this block? */
     481             :   ulong      data_bytes_consumed; /* How much data is in this block so
     482             :                                      far ? */
     483             :   /* There's a limit on the total amount that transactions in a block
     484             :      can allocate.  How much of that limit have we consumed? */
     485             :   ulong      alloc_consumed;
     486             : 
     487             :   /* counters / gauge for schedule outcome enums */
     488             :   ulong      sched_results[ FD_METRICS_ENUM_PACK_TXN_SCHEDULE_CNT ];
     489             : 
     490             :   fd_rng_t * rng;
     491             : 
     492             :   ulong      cumulative_block_cost;
     493             :   ulong      cumulative_vote_cost;
     494             : 
     495             :   /* expire_before: Any transactions with expires_at strictly less than
     496             :      the current expire_before are removed from the available pending
     497             :      transaction.  Here, "expire" is used as a verb: cause all
     498             :      transactions before this time to expire. */
     499             :   ulong      expire_before;
     500             : 
     501             :   /* outstanding_microblock_mask: a bitmask indicating which banking
     502             :      tiles have outstanding microblocks, i.e. fd_pack has generated a
     503             :      microblock for that banking tile and the banking tile has not yet
     504             :      notified fd_pack that it has completed it. */
     505             :   ulong      outstanding_microblock_mask;
     506             : 
     507             :   /* The actual footprint for the pool and maps is allocated
     508             :      in the same order in which they are declared immediately following
     509             :      the struct.  I.e. these pointers point to memory not far after the
     510             :      struct.  The trees are just pointers into the pool so don't take up
     511             :      more space. */
     512             : 
     513             :   fd_pack_ord_txn_t * pool;
     514             : 
     515             :   /* Treaps (sorted by priority) of pending transactions.  We store the
     516             :      pending simple votes and transactions that come from bundles
     517             :      separately. */
     518             :   treap_t pending[1];
     519             :   treap_t pending_votes[1];
     520             :   treap_t pending_bundles[1];
     521             : 
     522             :   /* penalty_treaps: an fd_map_dynamic mapping hotly contended account
     523             :      addresses to treaps of transactions that write to them.  We try not
     524             :      to allow more than roughly PENALTY_TREAP_THRESHOLD transactions in
     525             :      the main treap that write to each account, though this is not
     526             :      exact. */
     527             :   fd_pack_penalty_treap_t * penalty_treaps;
     528             : 
     529             :   /* initializer_bundle_state: The current state of the initialization
     530             :      bundle state machine.  One of the FD_PACK_IB_STATE_* values.  See
     531             :      the long comment in the header and the comments attached to the
     532             :      respective values for a discussion of what each state means and the
     533             :      transitions between them. */
     534             :   int   initializer_bundle_state;
     535             : 
     536             :   /* relative_bundle_idx: the number of bundles that have been inserted
     537             :      since the last time pending_bundles was empty.  See the long
     538             :      comment about encoding this index in the rewards field of each
     539             :      transaction in the bundle, and why it is important that this reset
     540             :      to 0 as frequently as possible. */
     541             :   ulong relative_bundle_idx;
     542             : 
     543             :   /* pending{_votes}_smallest: keep a conservative estimate of the
     544             :      smallest transaction (by cost units and by bytes) in each heap.
     545             :      Both CUs and bytes should be set to ULONG_MAX is the treap is
     546             :      empty. */
     547             :   fd_pack_smallest_t pending_smallest[1];
     548             :   fd_pack_smallest_t pending_votes_smallest[1];
     549             : 
     550             :   /* expiration_q: At the same time that a transaction is in exactly one
     551             :      of the above treaps, it is also in the expiration queue, sorted by
     552             :      its expiration time.  This enables deleting all transactions that
     553             :      have expired, regardless of which treap they are in. */
     554             :   fd_pack_expq_t * expiration_q;
     555             : 
     556             :   /* acct_in_use: Map from account address to bitmask indicating which
     557             :      bank tiles are using the account and whether that use is read or
     558             :      write (msb). */
     559             :   fd_pack_addr_use_t   * acct_in_use;
     560             : 
     561             :   /* bitset_{w, rw}_in_use stores a subset of the information in
     562             :      acct_in_use using the compressed set format explained at the top of
     563             :      this file.  rw_in_use stores accounts in use for read or write
     564             :      while w_in_use stores only those in use for write. */
     565             :   FD_PACK_BITSET_DECLARE( bitset_rw_in_use );
     566             :   FD_PACK_BITSET_DECLARE( bitset_w_in_use  );
     567             : 
     568             :   /* writer_costs: Map from account addresses to the sum of costs of
     569             :      transactions that write to the account.  Used for enforcing limits
     570             :      on the max write cost per account per block. */
     571             :   fd_pack_addr_use_t   * writer_costs;
     572             : 
     573             :   /* top_writers: A simple max heap of the top 5 writers in the slot,
     574             :      used by downstream consumers for monitoring purposes. */
     575             :   fd_pack_addr_use_t top_writers[ FD_PACK_TOP_WRITERS_CNT ];
     576             : 
     577             :   /* At the end of every slot, we have to clear out writer_costs.  The
     578             :      map is large, but typically very sparsely populated.  As an
     579             :      optimization, we keep track of the elements of the map that we've
     580             :      actually used, up to a maximum.  If we use more than the maximum,
     581             :      we revert to the old way of just clearing the whole map.
     582             : 
     583             :      written_list indexed [0, written_list_cnt).
     584             :      written_list_cnt in  [0, written_list_max).
     585             : 
     586             :      written_list_cnt==written_list_max-1 means that the list may be
     587             :      incomplete and should be ignored. */
     588             :   fd_pack_addr_use_t * * written_list;
     589             :   ulong                  written_list_cnt;
     590             :   ulong                  written_list_max;
     591             : 
     592             :   /* At initialization time, the caller can configure a blocklist of
     593             :      accounts.  Any transaction that includes one of these accounts will
     594             :      be rejected.  This is an fd_map, and it's effectively const. */
     595             :   wrapped_acct_t        acct_blocklist[ 2*FD_PACK_ACCT_BLOCKLIST_MAX ];
     596             : 
     597             :   /* Noncemap is a map_chain that maps from tuples (nonce account,
     598             :      recent blockhash value, nonce authority) to a transaction.  This
     599             :      map stores exactly the transactions in pool that have the nonce
     600             :      flag set. */
     601             :   noncemap_t * noncemap;
     602             : 
     603             :   sig2txn_t * signature_map; /* Stores pointers into pool for deleting by signature */
     604             : 
     605             :   /* bundle_temp_map: A fd_map_dynamic (although it could be an fd_map)
     606             :      used during fd_pack_try_schedule_bundle to store information about
     607             :      what accounts are used by transactions in the bundle.  It's empty
     608             :      (in a map sense) outside of calls to try_schedule_bundle, and each
     609             :      call to try_schedule_bundle clears it after use.  If bundles are
     610             :      disabled, this is a valid fd_map_dynamic, but it's as small as
     611             :      convenient and remains empty. */
     612             :   fd_pack_addr_use_t * bundle_temp_map;
     613             : 
     614             : 
     615             :   /* use_by_bank: An array of size (max_txn_per_microblock *
     616             :      FD_TXN_ACCT_ADDR_MAX) for each banking tile.  Only the MSB of
     617             :      in_use_by is relevant.  Addressed use_by_bank[i][j] where i is in
     618             :      [0, bank_tile_cnt) and j is in [0, use_by_bank_cnt[i]).  Used
     619             :      mostly for clearing the proper bits of acct_in_use when a
     620             :      microblock finishes.
     621             : 
     622             :      use_by_bank_txn: indexed [i][j], where i is in [0, bank_tile_cnt)
     623             :      and j is in [0, max_txn_per_microblock).  Transaction j in the
     624             :      microblock currently scheduled to bank i uses account addresses in
     625             :      use_by_bank[i][k] where k is in [0, use_by_bank[i][j]).  For
     626             :      example, if use_by_bank[i][0] = 2 and use_by_bank[i][1] = 3, then
     627             :      all the accounts that the first transaction in the outstanding
     628             :      microblock for bank 0 uses are contained in the set
     629             :                { use_by_bank[i][0], use_by_bank[i][1] },
     630             :      and all the accounts in the second transaction in the microblock
     631             :      are in the set
     632             :         { use_by_bank[i][0], use_by_bank[i][1], use_by_bank[i][2] }.
     633             :      Each transaction writes to at least one account (the fee payer)
     634             :      that no other transaction scheduled to the bank uses, which means
     635             :      that use_by_bank_txn[i][j] - use_by_bank_txn[i][j-1] >= 1 (with 0
     636             :      for use_by_bank_txn[i][-1]).  This means we can stop iterating when
     637             :      use_by_bank_txn[i][j] == use_by_bank_cnt[i].  */
     638             :   fd_pack_addr_use_t * use_by_bank    [ FD_PACK_MAX_EXECLE_TILES ];
     639             :   ulong                use_by_bank_cnt[ FD_PACK_MAX_EXECLE_TILES ];
     640             :   ulong *              use_by_bank_txn[ FD_PACK_MAX_EXECLE_TILES ];
     641             : 
     642             :   fd_histf_t txn_per_microblock [ 1 ];
     643             :   fd_histf_t vote_per_microblock[ 1 ];
     644             : 
     645             :   fd_histf_t scheduled_cus_per_block[ 1 ];
     646             :   fd_histf_t rebated_cus_per_block  [ 1 ];
     647             :   fd_histf_t net_cus_per_block      [ 1 ];
     648             :   fd_histf_t pct_cus_per_block      [ 1 ];
     649             :   ulong      cumulative_rebated_cus;
     650             : 
     651             : 
     652             :   /* compressed_slot_number: a number in (FD_PACK_SKIP_CNT, USHORT_MAX]
     653             :      that advances each time we start packing for a new slot. */
     654             :   ushort     compressed_slot_number;
     655             : 
     656             :   /* bitset_avail: a stack of which bits are not currently reserved and
     657             :      can be used to represent an account address.
     658             :      Indexed [0, bitset_avail_cnt].  Element 0 is fixed at
     659             :      FD_PACK_BITSET_SLOWPATH. */
     660             :   ushort bitset_avail[ 1UL+FD_PACK_BITSET_MAX ];
     661             :   ulong  bitset_avail_cnt;
     662             : 
     663             :   /* acct_to_bitset: an fd_map_dynamic that maps acct addresses to the
     664             :      reference count, which bit, etc. */
     665             :   fd_pack_bitset_acct_mapping_t * acct_to_bitset;
     666             : 
     667             :   /* chdkup: scratch memory chkdup needs for its internal processing */
     668             :   fd_chkdup_t chkdup[ 1 ];
     669             : 
     670             :   /* bundle_meta: an array, parallel to the pool, with each element
     671             :      having size bundle_meta_sz.  I.e. if pool[i] has an associated
     672             :      bundle meta, it's located at bundle_meta[j] for j in
     673             :      [i*bundle_meta_sz, (i+1)*bundle_meta_sz). */
     674             :   void * bundle_meta;
     675             : };
     676             : 
     677             : typedef struct fd_pack_private fd_pack_t;
     678             : 
     679             : FD_STATIC_ASSERT( offsetof(fd_pack_t, pending_txn_cnt)==FD_PACK_PENDING_TXN_CNT_OFF, txn_cnt_off );
     680             : 
     681             : /* Forward-declare some helper functions */
     682             : static ulong delete_transaction( fd_pack_t * pack, fd_pack_ord_txn_t * txn, int delete_full_bundle, int move_from_penalty_treap );
     683             : static inline void insert_bundle_impl( fd_pack_t * pack, ulong bundle_idx, ulong txn_cnt, fd_pack_ord_txn_t * * bundle, ulong expires_at );
     684             : 
     685             : FD_FN_PURE ulong
     686             : fd_pack_footprint( ulong                    pack_depth,
     687             :                    ulong                    bundle_meta_sz,
     688             :                    ulong                    bank_tile_cnt,
     689         315 :                    fd_pack_limits_t const * limits         ) {
     690         315 :   if( FD_UNLIKELY( (bank_tile_cnt==0) | (bank_tile_cnt>FD_PACK_MAX_EXECLE_TILES) ) ) return 0UL;
     691         315 :   if( FD_UNLIKELY( pack_depth<4UL ) ) return 0UL;
     692             : 
     693         315 :   int enable_bundles = !!bundle_meta_sz;
     694         315 :   ulong l;
     695         315 :   ulong extra_depth        = fd_ulong_if( enable_bundles, 1UL+2UL*FD_PACK_MAX_TXN_PER_BUNDLE, 1UL ); /* space for use between init and fini */
     696         315 :   ulong max_acct_in_treap  = pack_depth * FD_TXN_ACCT_ADDR_MAX;
     697         315 :   ulong max_txn_per_mblk   = fd_ulong_max( limits->max_txn_per_microblock,
     698         315 :                                            fd_ulong_if( enable_bundles, FD_PACK_MAX_TXN_PER_BUNDLE, 0UL ) );
     699         315 :   ulong max_acct_in_flight = bank_tile_cnt * (FD_TXN_ACCT_ADDR_MAX * max_txn_per_mblk + 1UL);
     700         315 :   ulong max_txn_in_flight  = bank_tile_cnt * max_txn_per_mblk;
     701             : 
     702         315 :   ulong max_w_per_block    = fd_ulong_min( limits->max_cost_per_block / FD_PACK_COST_PER_WRITABLE_ACCT,
     703         315 :                                            max_txn_per_mblk * limits->max_microblocks_per_block * FD_TXN_ACCT_ADDR_MAX );
     704         315 :   ulong written_list_max   = fd_ulong_min( max_w_per_block>>1, DEFAULT_WRITTEN_LIST_MAX );
     705         315 :   ulong bundle_temp_accts  = fd_ulong_if( enable_bundles, FD_PACK_MAX_TXN_PER_BUNDLE*FD_TXN_ACCT_ADDR_MAX, 1UL );
     706         315 :   ulong sig_chain_cnt      = sig2txn_chain_cnt_est( pack_depth );
     707         315 :   ulong nonce_chain_cnt    = noncemap_chain_cnt_est( pack_depth );
     708             : 
     709             :   /* log base 2, but with a 2* so that the hash table stays sparse */
     710         315 :   int lg_uses_tbl_sz = fd_ulong_find_msb( fd_ulong_pow2_up( 2UL*max_acct_in_flight                        ) );
     711         315 :   int lg_max_writers = fd_ulong_find_msb( fd_ulong_pow2_up( 2UL*max_w_per_block                           ) );
     712         315 :   int lg_acct_in_trp = fd_ulong_find_msb( fd_ulong_pow2_up( 2UL*max_acct_in_treap                         ) );
     713         315 :   int lg_penalty_trp = fd_ulong_find_msb( fd_ulong_pow2_up( 2UL*max_acct_in_treap/PENALTY_TREAP_THRESHOLD ) );
     714         315 :   int lg_bundle_temp = fd_ulong_find_msb( fd_ulong_pow2_up( 2UL*bundle_temp_accts                         ) );
     715             : 
     716         315 :   l = FD_LAYOUT_INIT;
     717         315 :   l = FD_LAYOUT_APPEND( l, FD_PACK_ALIGN,       sizeof(fd_pack_t)                               );
     718         315 :   l = FD_LAYOUT_APPEND( l, trp_pool_align (),   trp_pool_footprint ( pack_depth+extra_depth   ) ); /* pool           */
     719         315 :   l = FD_LAYOUT_APPEND( l, penalty_map_align(), penalty_map_footprint( lg_penalty_trp         ) ); /* penalty_treaps */
     720         315 :   l = FD_LAYOUT_APPEND( l, expq_align     (),   expq_footprint     ( pack_depth               ) ); /* expiration prq */
     721         315 :   l = FD_LAYOUT_APPEND( l, acct_uses_align(),   acct_uses_footprint( lg_uses_tbl_sz           ) ); /* acct_in_use    */
     722         315 :   l = FD_LAYOUT_APPEND( l, acct_uses_align(),   acct_uses_footprint( lg_max_writers           ) ); /* writer_costs   */
     723         315 :   l = FD_LAYOUT_APPEND( l, 32UL,                sizeof(fd_pack_addr_use_t*)*written_list_max    ); /* written_list   */
     724         315 :   l = FD_LAYOUT_APPEND( l, noncemap_align (),   noncemap_footprint ( nonce_chain_cnt          ) ); /* noncemap       */
     725         315 :   l = FD_LAYOUT_APPEND( l, sig2txn_align  (),   sig2txn_footprint  ( sig_chain_cnt            ) ); /* signature_map  */
     726         315 :   l = FD_LAYOUT_APPEND( l, acct_uses_align(),   acct_uses_footprint( lg_bundle_temp           ) ); /* bundle_temp_map*/
     727         315 :   l = FD_LAYOUT_APPEND( l, 32UL,                sizeof(fd_pack_addr_use_t)*max_acct_in_flight   ); /* use_by_bank    */
     728         315 :   l = FD_LAYOUT_APPEND( l, 32UL,                sizeof(ulong)*max_txn_in_flight                 ); /* use_by_bank_txn*/
     729         315 :   l = FD_LAYOUT_APPEND( l, bitset_map_align(),  bitset_map_footprint( lg_acct_in_trp          ) ); /* acct_to_bitset */
     730         315 :   l = FD_LAYOUT_APPEND( l, 64UL,                (pack_depth+extra_depth)*bundle_meta_sz         ); /* bundle_meta */
     731         315 :   return FD_LAYOUT_FINI( l, FD_PACK_ALIGN );
     732         315 : }
     733             : 
     734             : void *
     735             : fd_pack_new( void                   * mem,
     736             :              ulong                    pack_depth,
     737             :              ulong                    bundle_meta_sz,
     738             :              ulong                    bank_tile_cnt,
     739             :              fd_pack_limits_t const * limits,
     740             :              fd_acct_addr_t const *   acct_blocklist,
     741             :              ulong                    acct_blocklist_cnt,
     742         546 :              fd_rng_t               * rng           ) {
     743             : 
     744         546 :   int enable_bundles = !!bundle_meta_sz;
     745         546 :   ulong extra_depth        = fd_ulong_if( enable_bundles, 1UL+2UL*FD_PACK_MAX_TXN_PER_BUNDLE, 1UL );
     746         546 :   ulong max_acct_in_treap  = pack_depth * FD_TXN_ACCT_ADDR_MAX;
     747         546 :   ulong max_txn_per_mblk   = fd_ulong_max( limits->max_txn_per_microblock,
     748         546 :                                            fd_ulong_if( enable_bundles, FD_PACK_MAX_TXN_PER_BUNDLE, 0UL ) );
     749         546 :   ulong max_acct_in_flight = bank_tile_cnt * (FD_TXN_ACCT_ADDR_MAX * max_txn_per_mblk + 1UL);
     750         546 :   ulong max_txn_in_flight  = bank_tile_cnt * max_txn_per_mblk;
     751             : 
     752         546 :   ulong max_w_per_block    = fd_ulong_min( limits->max_cost_per_block / FD_PACK_COST_PER_WRITABLE_ACCT,
     753         546 :                                            max_txn_per_mblk * limits->max_microblocks_per_block * FD_TXN_ACCT_ADDR_MAX );
     754         546 :   ulong written_list_max   = fd_ulong_min( max_w_per_block>>1, DEFAULT_WRITTEN_LIST_MAX );
     755         546 :   ulong bundle_temp_accts  = fd_ulong_if( enable_bundles, FD_PACK_MAX_TXN_PER_BUNDLE*FD_TXN_ACCT_ADDR_MAX, 1UL );
     756         546 :   ulong sig_chain_cnt      = sig2txn_chain_cnt_est( pack_depth );
     757         546 :   ulong nonce_chain_cnt    = noncemap_chain_cnt_est( pack_depth );
     758             : 
     759             :   /* log base 2, but with a 2* so that the hash table stays sparse */
     760         546 :   int lg_uses_tbl_sz = fd_ulong_find_msb( fd_ulong_pow2_up( 2UL*max_acct_in_flight                        ) );
     761         546 :   int lg_max_writers = fd_ulong_find_msb( fd_ulong_pow2_up( 2UL*max_w_per_block                           ) );
     762         546 :   int lg_acct_in_trp = fd_ulong_find_msb( fd_ulong_pow2_up( 2UL*max_acct_in_treap                         ) );
     763         546 :   int lg_penalty_trp = fd_ulong_find_msb( fd_ulong_pow2_up( 2UL*max_acct_in_treap/PENALTY_TREAP_THRESHOLD ) );
     764         546 :   int lg_bundle_temp = fd_ulong_find_msb( fd_ulong_pow2_up( 2UL*bundle_temp_accts                         ) );
     765             : 
     766         546 :   FD_SCRATCH_ALLOC_INIT( l, mem );
     767         546 :   fd_pack_t * pack    = FD_SCRATCH_ALLOC_APPEND( l,  FD_PACK_ALIGN,       sizeof(fd_pack_t)                             );
     768             :   /* The pool has one extra element that is used between insert_init and
     769             :      cancel/fini. */
     770         546 :   void * _pool        = FD_SCRATCH_ALLOC_APPEND( l,  trp_pool_align(),    trp_pool_footprint ( pack_depth+extra_depth ) );
     771         546 :   void * _penalty_map = FD_SCRATCH_ALLOC_APPEND( l,  penalty_map_align(), penalty_map_footprint( lg_penalty_trp       ) );
     772         546 :   void * _expq        = FD_SCRATCH_ALLOC_APPEND( l,  expq_align(),        expq_footprint     ( pack_depth             ) );
     773         546 :   void * _uses        = FD_SCRATCH_ALLOC_APPEND( l,  acct_uses_align(),   acct_uses_footprint( lg_uses_tbl_sz         ) );
     774         546 :   void * _writer_cost = FD_SCRATCH_ALLOC_APPEND( l,  acct_uses_align(),   acct_uses_footprint( lg_max_writers         ) );
     775         546 :   void * _written_lst = FD_SCRATCH_ALLOC_APPEND( l,  32UL,                sizeof(fd_pack_addr_use_t*)*written_list_max  );
     776         546 :   void * _noncemap    = FD_SCRATCH_ALLOC_APPEND( l,  noncemap_align(),    noncemap_footprint ( nonce_chain_cnt        ) );
     777         546 :   void * _sig_map     = FD_SCRATCH_ALLOC_APPEND( l,  sig2txn_align(),     sig2txn_footprint  ( sig_chain_cnt          ) );
     778         546 :   void * _bundle_temp = FD_SCRATCH_ALLOC_APPEND( l,  acct_uses_align(),   acct_uses_footprint( lg_bundle_temp         ) );
     779         546 :   void * _use_by_bank = FD_SCRATCH_ALLOC_APPEND( l,  32UL,                sizeof(fd_pack_addr_use_t)*max_acct_in_flight );
     780         546 :   void * _use_by_txn  = FD_SCRATCH_ALLOC_APPEND( l,  32UL,                sizeof(ulong)*max_txn_in_flight               );
     781         546 :   void * _acct_bitset = FD_SCRATCH_ALLOC_APPEND( l,  bitset_map_align(),  bitset_map_footprint( lg_acct_in_trp        ) );
     782         546 :   void * bundle_meta  = FD_SCRATCH_ALLOC_APPEND( l,  64UL,                (pack_depth+extra_depth)*bundle_meta_sz       );
     783             : 
     784           0 :   pack->pack_depth                  = pack_depth;
     785         546 :   pack->bundle_meta_sz              = bundle_meta_sz;
     786         546 :   pack->bank_tile_cnt               = bank_tile_cnt;
     787         546 :   pack->lim[0]                      = *limits;
     788         546 :   pack->pending_txn_cnt             = 0UL;
     789         546 :   pack->microblock_cnt              = 0UL;
     790         546 :   pack->data_bytes_consumed         = 0UL;
     791         546 :   pack->alloc_consumed              = 0UL;
     792         546 :   memset( pack->sched_results, 0, sizeof(pack->sched_results) );
     793         546 :   pack->rng                         = rng;
     794         546 :   pack->cumulative_block_cost       = 0UL;
     795         546 :   pack->cumulative_vote_cost        = 0UL;
     796         546 :   pack->expire_before               = 0UL;
     797         546 :   pack->outstanding_microblock_mask = 0UL;
     798         546 :   pack->cumulative_rebated_cus      = 0UL;
     799             : 
     800         546 :   acct_blocklist_new( pack->acct_blocklist );
     801         546 :   int ins_failed = acct_blocklist_cnt>FD_PACK_ACCT_BLOCKLIST_MAX;
     802         612 :   for( ulong i=0UL; (!ins_failed) & (i<acct_blocklist_cnt); i++ ) {
     803          66 :     ins_failed |= acct_blocklist_key_inval( acct_blocklist[i] ) ||
     804          66 :                   (NULL==acct_blocklist_insert( pack->acct_blocklist, acct_blocklist[i] ));
     805          66 :   }
     806         546 :   if( FD_UNLIKELY( ins_failed ) ) {
     807           6 :     FD_LOG_WARNING(( "constructing the account blocklist failed.  Ensure the list contains no more than %lu "
     808           6 :                      "entries, and does not contain duplicates or the System Program (11...111)", FD_PACK_ACCT_BLOCKLIST_MAX ));
     809           6 :     return NULL;
     810           6 :   }
     811             : 
     812         540 :   trp_pool_new(  _pool,        pack_depth+extra_depth );
     813             : 
     814         540 :   fd_pack_ord_txn_t * pool = trp_pool_join( _pool );
     815         540 :   treap_seed( pool, pack_depth+extra_depth, fd_rng_ulong( rng ) );
     816     2198580 :   for( ulong i=0UL; i<pack_depth+extra_depth; i++ ) pool[i].root = FD_ORD_TXN_ROOT_FREE;
     817             : 
     818         540 :   (void)trp_pool_leave( pool );
     819             : 
     820         540 :   penalty_map_new( _penalty_map, lg_penalty_trp, 0UL );
     821             : 
     822             :   /* These treaps can have at most pack_depth elements at any moment,
     823             :      but they come from a pool of size pack_depth+extra_depth. */
     824         540 :   treap_new( (void*)pack->pending,         pack_depth+extra_depth );
     825         540 :   treap_new( (void*)pack->pending_votes,   pack_depth+extra_depth );
     826         540 :   treap_new( (void*)pack->pending_bundles, pack_depth+extra_depth );
     827             : 
     828         540 :   pack->pending_smallest->cus         = ULONG_MAX;
     829         540 :   pack->pending_smallest->bytes       = ULONG_MAX;
     830         540 :   pack->pending_votes_smallest->cus   = ULONG_MAX;
     831         540 :   pack->pending_votes_smallest->bytes = ULONG_MAX;
     832             : 
     833         540 :   expq_new( _expq, pack_depth );
     834             : 
     835         540 :   FD_PACK_BITSET_CLEAR( pack->bitset_rw_in_use );
     836         540 :   FD_PACK_BITSET_CLEAR( pack->bitset_w_in_use  );
     837             : 
     838         540 :   acct_uses_new( _uses,        lg_uses_tbl_sz, 0UL );
     839         540 :   acct_uses_new( _writer_cost, lg_max_writers, 0UL );
     840         540 :   acct_uses_new( _bundle_temp, lg_bundle_temp, 0UL );
     841             : 
     842         540 :   pack->written_list     = _written_lst;
     843         540 :   pack->written_list_cnt = 0UL;
     844         540 :   pack->written_list_max = written_list_max;
     845             : 
     846         540 :   noncemap_new( _noncemap, nonce_chain_cnt, fd_rng_ulong( rng ) );
     847             : 
     848         540 :   sig2txn_new( _sig_map, sig_chain_cnt, fd_rng_ulong( rng ) );
     849             : 
     850         540 :   fd_pack_addr_use_t * use_by_bank     = (fd_pack_addr_use_t *)_use_by_bank;
     851         540 :   ulong *              use_by_bank_txn = (ulong *)_use_by_txn;
     852        6807 :   for( ulong i=0UL; i<bank_tile_cnt; i++ ) {
     853        6267 :     pack->use_by_bank    [i] = use_by_bank + i*(FD_TXN_ACCT_ADDR_MAX*max_txn_per_mblk+1UL);
     854        6267 :     pack->use_by_bank_cnt[i] = 0UL;
     855        6267 :     pack->use_by_bank_txn[i] = use_by_bank_txn + i*max_txn_per_mblk;
     856        6267 :     pack->use_by_bank_txn[i][0] = 0UL;
     857        6267 :   }
     858       27753 :   for( ulong i=bank_tile_cnt; i<FD_PACK_MAX_EXECLE_TILES; i++ ) {
     859       27213 :     pack->use_by_bank    [i] = NULL;
     860       27213 :     pack->use_by_bank_cnt[i] = 0UL;
     861       27213 :     pack->use_by_bank_txn[i] = NULL;
     862       27213 :   }
     863             : 
     864         540 :   fd_histf_new( pack->txn_per_microblock,  FD_MHIST_MIN( PACK, TXN_PER_MICROBLOCK ),
     865         540 :                                            FD_MHIST_MAX( PACK, TXN_PER_MICROBLOCK ) );
     866         540 :   fd_histf_new( pack->vote_per_microblock, FD_MHIST_MIN( PACK, VOTE_PER_MICROBLOCK ),
     867         540 :                                            FD_MHIST_MAX( PACK, VOTE_PER_MICROBLOCK ) );
     868             : 
     869         540 :   fd_histf_new( pack->scheduled_cus_per_block, FD_MHIST_MIN( PACK, CU_SCHEDULED_PER_BLOCK ),
     870         540 :                                                FD_MHIST_MAX( PACK, CU_SCHEDULED_PER_BLOCK ) );
     871         540 :   fd_histf_new( pack->rebated_cus_per_block,   FD_MHIST_MIN( PACK, CU_REBATED_PER_BLOCK   ),
     872         540 :                                                FD_MHIST_MAX( PACK, CU_REBATED_PER_BLOCK   ) );
     873         540 :   fd_histf_new( pack->net_cus_per_block,       FD_MHIST_MIN( PACK, CU_NET_PER_BLOCK       ),
     874         540 :                                                FD_MHIST_MAX( PACK, CU_NET_PER_BLOCK       ) );
     875         540 :   fd_histf_new( pack->pct_cus_per_block,       FD_MHIST_MIN( PACK, CU_PCT       ),
     876         540 :                                                FD_MHIST_MAX( PACK, CU_PCT       ) );
     877             : 
     878         540 :   pack->compressed_slot_number = (ushort)(FD_PACK_SKIP_CNT+1);
     879             : 
     880         540 :   pack->bitset_avail[ 0 ] = FD_PACK_BITSET_SLOWPATH;
     881      184860 :   for( ulong i=0UL; i<FD_PACK_BITSET_MAX; i++ ) pack->bitset_avail[ i+1UL ] = (ushort)i;
     882         540 :   pack->bitset_avail_cnt = FD_PACK_BITSET_MAX;
     883             : 
     884         540 :   bitset_map_new( _acct_bitset, lg_acct_in_trp, 0UL );
     885             : 
     886         540 :   fd_chkdup_new( pack->chkdup, rng );
     887             : 
     888         540 :   pack->bundle_meta = bundle_meta;
     889             : 
     890         540 :   return mem;
     891         546 : }
     892             : 
     893             : fd_pack_t *
     894         540 : fd_pack_join( void * mem ) {
     895         540 :   FD_SCRATCH_ALLOC_INIT( l, mem );
     896         540 :   fd_pack_t * pack  = FD_SCRATCH_ALLOC_APPEND( l, FD_PACK_ALIGN, sizeof(fd_pack_t) );
     897             : 
     898           0 :   int enable_bundles = !!pack->bundle_meta_sz;
     899         540 :   ulong pack_depth             = pack->pack_depth;
     900         540 :   ulong extra_depth            = fd_ulong_if( enable_bundles, 1UL+2UL*FD_PACK_MAX_TXN_PER_BUNDLE, 1UL );
     901         540 :   ulong bank_tile_cnt          = pack->bank_tile_cnt;
     902         540 :   ulong max_txn_per_microblock = fd_ulong_max( pack->lim->max_txn_per_microblock,
     903         540 :                                                fd_ulong_if( enable_bundles, FD_PACK_MAX_TXN_PER_BUNDLE, 0UL ) );
     904             : 
     905         540 :   ulong max_acct_in_treap  = pack_depth * FD_TXN_ACCT_ADDR_MAX;
     906         540 :   ulong max_acct_in_flight = bank_tile_cnt * (FD_TXN_ACCT_ADDR_MAX * max_txn_per_microblock + 1UL);
     907         540 :   ulong max_txn_in_flight  = bank_tile_cnt * max_txn_per_microblock;
     908         540 :   ulong max_w_per_block    = fd_ulong_min( pack->lim->max_cost_per_block / FD_PACK_COST_PER_WRITABLE_ACCT,
     909         540 :                                            max_txn_per_microblock * pack->lim->max_microblocks_per_block * FD_TXN_ACCT_ADDR_MAX );
     910         540 :   ulong written_list_max   = fd_ulong_min( max_w_per_block>>1, DEFAULT_WRITTEN_LIST_MAX );
     911         540 :   ulong bundle_temp_accts  = fd_ulong_if( enable_bundles, FD_PACK_MAX_TXN_PER_BUNDLE*FD_TXN_ACCT_ADDR_MAX, 1UL );
     912         540 :   ulong sig_chain_cnt      = sig2txn_chain_cnt_est( pack_depth );
     913         540 :   ulong nonce_chain_cnt    = noncemap_chain_cnt_est( pack_depth );
     914             : 
     915         540 :   int lg_uses_tbl_sz = fd_ulong_find_msb( fd_ulong_pow2_up( 2UL*max_acct_in_flight                        ) );
     916         540 :   int lg_max_writers = fd_ulong_find_msb( fd_ulong_pow2_up( 2UL*max_w_per_block                           ) );
     917         540 :   int lg_acct_in_trp = fd_ulong_find_msb( fd_ulong_pow2_up( 2UL*max_acct_in_treap                         ) );
     918         540 :   int lg_penalty_trp = fd_ulong_find_msb( fd_ulong_pow2_up( 2UL*max_acct_in_treap/PENALTY_TREAP_THRESHOLD ) );
     919         540 :   int lg_bundle_temp = fd_ulong_find_msb( fd_ulong_pow2_up( 2UL*bundle_temp_accts                         ) );
     920             : 
     921             : 
     922         540 :   pack->pool          = trp_pool_join(   FD_SCRATCH_ALLOC_APPEND( l, trp_pool_align(),   trp_pool_footprint   ( pack_depth+extra_depth  ) ) );
     923         540 :   pack->penalty_treaps= penalty_map_join(FD_SCRATCH_ALLOC_APPEND( l, penalty_map_align(),penalty_map_footprint( lg_penalty_trp          ) ) );
     924         540 :   pack->expiration_q  = expq_join    (   FD_SCRATCH_ALLOC_APPEND( l, expq_align(),       expq_footprint       ( pack_depth              ) ) );
     925         540 :   pack->acct_in_use   = acct_uses_join(  FD_SCRATCH_ALLOC_APPEND( l, acct_uses_align(),  acct_uses_footprint  ( lg_uses_tbl_sz          ) ) );
     926         540 :   pack->writer_costs  = acct_uses_join(  FD_SCRATCH_ALLOC_APPEND( l, acct_uses_align(),  acct_uses_footprint  ( lg_max_writers          ) ) );
     927         540 :   /* */                                  FD_SCRATCH_ALLOC_APPEND( l, 32UL,               sizeof(fd_pack_addr_use_t*)*written_list_max       );
     928         540 :   pack->noncemap      = noncemap_join(   FD_SCRATCH_ALLOC_APPEND( l, noncemap_align(),   noncemap_footprint   ( nonce_chain_cnt         ) ) );
     929         540 :   pack->signature_map = sig2txn_join(    FD_SCRATCH_ALLOC_APPEND( l, sig2txn_align(),    sig2txn_footprint    ( sig_chain_cnt           ) ) );
     930         540 :   pack->bundle_temp_map=acct_uses_join(  FD_SCRATCH_ALLOC_APPEND( l, acct_uses_align(),  acct_uses_footprint  ( lg_bundle_temp          ) ) );
     931         540 :   /* */                                  FD_SCRATCH_ALLOC_APPEND( l, 32UL,               sizeof(fd_pack_addr_use_t)*max_acct_in_flight      );
     932         540 :   /* */                                  FD_SCRATCH_ALLOC_APPEND( l, 32UL,               sizeof(ulong)*max_txn_in_flight                    );
     933         540 :   pack->acct_to_bitset= bitset_map_join( FD_SCRATCH_ALLOC_APPEND( l, bitset_map_align(), bitset_map_footprint( lg_acct_in_trp           ) ) );
     934         540 :   /* */                                  FD_SCRATCH_ALLOC_APPEND( l, 64UL,               (pack_depth+extra_depth)*pack->bundle_meta_sz      );
     935             : 
     936         540 :   FD_MGAUGE_SET( PACK, TXN_PENDING_CAPACITY, pack->pack_depth );
     937         540 :   memset( pack->top_writers, 0, sizeof(pack->top_writers) );
     938             : 
     939         540 :   return pack;
     940         540 : }
     941             : 
     942             : 
     943             : /* Returns 0 on failure, 1 on success for a vote, 2 on success for a
     944             :    non-vote. */
     945             : static int
     946             : fd_pack_estimate_rewards_and_compute( fd_txn_e_t             * txne,
     947             :                                       fd_pack_ord_txn_t      * out,
     948    13552647 :                                       fd_pack_limits_t const * lim ) {
     949    13552647 :   fd_txn_t * txn = TXN(txne->txnp);
     950    13552647 :   ulong sig_rewards = FD_PACK_FEE_PER_SIGNATURE * txn->signature_cnt; /* Easily in [5000, 635000] */
     951             : 
     952    13552647 :   ulong requested_execution_cus;
     953    13552647 :   ulong priority_rewards;
     954    13552647 :   ulong precompile_sigs;
     955    13552647 :   ulong requested_loaded_accounts_data_cost;
     956    13552647 :   ulong allocated_data;
     957    13552647 :   ulong cost_estimate = fd_pack_compute_cost( txn, txne->txnp->payload, &txne->txnp->flags, &requested_execution_cus, &priority_rewards, &precompile_sigs, &requested_loaded_accounts_data_cost, &allocated_data );
     958             : 
     959    13552647 :   if( FD_UNLIKELY( !cost_estimate ) ) return 0;
     960             : 
     961             :   /* precompile_sigs <= 16320, so after the addition,
     962             :      sig_rewards < 83,000,000 */
     963    13552644 :   sig_rewards += FD_PACK_FEE_PER_SIGNATURE * precompile_sigs;
     964    13552644 :   sig_rewards = sig_rewards * FD_PACK_TXN_FEE_BURN_PCT / 100UL;
     965             : 
     966             :   /* No fancy CU estimation in this version of pack
     967             :   for( ulong i=0UL; i<(ulong)txn->instr_cnt; i++ ) {
     968             :     uchar prog_id_idx = txn->instr[ i ].program_id;
     969             :     fd_acct_addr_t const * acct_addr = fd_txn_get_acct_addrs( txn, txnp->payload ) + (ulong)prog_id_idx;
     970             :   }
     971             :   */
     972    13552644 :   out->rewards                              = (priority_rewards < (UINT_MAX - sig_rewards)) ? (uint)(sig_rewards + priority_rewards) : UINT_MAX;
     973    13552644 :   out->compute_est                          = (uint)cost_estimate;
     974    13552644 :   out->txn->pack_cu.requested_exec_plus_acct_data_cus = (uint)(requested_execution_cus + requested_loaded_accounts_data_cost);
     975    13552644 :   out->txn->pack_cu.non_execution_cus       = (uint)(cost_estimate - requested_execution_cus - requested_loaded_accounts_data_cost);
     976    13552644 :   out->txn->pack_alloc                      = (uint)allocated_data;
     977             : 
     978             :   /* If a transaction allocates a lot, we want to treat it as if it
     979             :      requests more CUs.  However, we use compute_est in the block
     980             :      limit calculations, so we can't touch it.  To have the same
     981             :      effect, we decrease rewards.
     982             :      divisor is 1 unless
     983             :             allocated_data                       cost_estimate
     984             :       ----------------------------    >=       ------------------
     985             :       max_allocated_data_per_block             max_cost_per_block
     986             : 
     987             :      0       <=allocated_data      <=20 * 1024^2
     988             :      48*10^6 <= max_cost_per_block < 2^32
     989             :      1020    <= cost_estimate      < 1.6 * 10^6
     990             :      max_allocated_data_per_block = 100 * 1000^2
     991             :      So the numerator (<2^57) and denominator (<2^48) can't overflow.
     992             :      1 <= divisor <= 1 + (max_cost_per_block * .000206)
     993             :      */
     994    13552644 :   ulong divisor = 1UL + (allocated_data * lim->max_cost_per_block) / (cost_estimate * lim->max_allocated_data_per_block);
     995    13552644 :   out->rewards /= (uint)divisor;
     996             : 
     997    13552644 :   return fd_int_if( txne->txnp->flags & FD_TXN_P_FLAGS_IS_SIMPLE_VOTE, 1, 2 );
     998    13552647 : }
     999             : 
    1000             : /* Returns 0 on failure, 1 if not a durable nonce transaction, and 2 if
    1001             :    it is.  FIXME: These return codes are set to harmonize with
    1002             :    estimate_rewards_and_compute but -1/0/1 makes a lot more sense to me.
    1003             :    */
    1004             : static int
    1005    13552641 : fd_pack_validate_durable_nonce( fd_txn_e_t * txne ) {
    1006    13552641 :   fd_txn_t const * txn = TXN(txne->txnp);
    1007             : 
    1008             :   /* First instruction invokes system program with 4 bytes of
    1009             :      instruction data with the little-endian value 4.  It also has 3
    1010             :      accounts: the nonce account, recent blockhashes sysvar, and the
    1011             :      nonce authority.  It seems like technically the nonce authority may
    1012             :      not need to be passed in, but we disallow that.  We also allow
    1013             :      trailing data and trailing accounts.  We want to organize the
    1014             :      checks somewhat to minimize cache misses. */
    1015    13552641 :   if( FD_UNLIKELY( txn->instr_cnt==0            ) ) return 1;
    1016     1387521 :   if( FD_UNLIKELY( txn->instr[ 0 ].data_sz<4UL  ) ) return 1;
    1017     1387521 :   if( FD_UNLIKELY( txn->instr[ 0 ].acct_cnt<3UL ) ) return 1; /* It seems like technically 2 is allowed, but never used */
    1018        8037 :   if( FD_LIKELY  ( fd_uint_load_4( txne->txnp->payload + txn->instr[ 0 ].data_off )!=4U ) ) return 1;
    1019             :   /* The program has to be a static account */
    1020        1155 :   fd_acct_addr_t const * accts = fd_txn_get_acct_addrs( txn, txne->txnp->payload );
    1021        1155 :   if( FD_UNLIKELY( !fd_memeq( accts[ txn->instr[ 0 ].program_id ].b, null_addr.b, 32UL       ) ) ) return 1;
    1022        1155 :   if( FD_UNLIKELY( !fd_txn_is_signer( txn, txne->txnp->payload[ txn->instr[ 0 ].acct_off+2 ] ) ) ) return 0;
    1023             :   /* We could check recent blockhash, but it's not necessary */
    1024        1152 :   return 2;
    1025        1155 : }
    1026             : 
    1027             : /* Can the fee payer afford to pay a transaction with the specified
    1028             :    price?  Returns 1 if so, 0 otherwise.  This is just a stub that
    1029             :    always returns 1 for now, and the real check is deferred to the bank
    1030             :    tile.  In general, this function can't be totally accurate, because
    1031             :    the transactions immediately prior to this one can affect the balance
    1032             :    of this fee payer, but a simple check here may be helpful for
    1033             :    reducing spam. */
    1034             : static int
    1035             : fd_pack_can_fee_payer_afford( fd_acct_addr_t const * acct_addr,
    1036    13552635 :                               ulong                  price /* in lamports */) {
    1037    13552635 :   (void)acct_addr;
    1038    13552635 :   (void)price;
    1039    13552635 :   return 1;
    1040    13552635 : }
    1041             : 
    1042             : 
    1043             : 
    1044             : 
    1045             : 
    1046    13673463 : fd_txn_e_t * fd_pack_insert_txn_init(   fd_pack_t * pack                   ) { return trp_pool_ele_acquire( pack->pool )->txn_e; }
    1047      122400 : void         fd_pack_insert_txn_cancel( fd_pack_t * pack, fd_txn_e_t * txn ) { trp_pool_ele_release( pack->pool, (fd_pack_ord_txn_t*)txn ); }
    1048             : 
    1049          24 : #define REJECT( reason ) do {                                       \
    1050          24 :                            trp_pool_ele_release( pack->pool, ord ); \
    1051          24 :                            return FD_PACK_INSERT_REJECT_ ## reason; \
    1052          24 :                          } while( 0 )
    1053             : 
    1054             : /* These require txn, accts, and alt_adj to be defined as per usual */
    1055      328987 : #define ACCT_IDX_TO_PTR( idx ) (__extension__( {                                               \
    1056      328987 :       ulong __idx = (idx);                                                                     \
    1057      328987 :       fd_ptr_if( __idx<fd_txn_account_cnt( txn, FD_TXN_ACCT_CAT_IMM ), accts, alt_adj )+__idx; \
    1058      328987 :       }))
    1059   128328123 : #define ACCT_ITER_TO_PTR( iter ) (__extension__( {                                             \
    1060   128328123 :       ulong __idx = fd_txn_acct_iter_idx( iter );                                              \
    1061   128328123 :       fd_ptr_if( __idx<fd_txn_account_cnt( txn, FD_TXN_ACCT_CAT_IMM ), accts, alt_adj )+__idx; \
    1062   128328123 :       }))
    1063             : 
    1064             : 
    1065             : /* Tries to find the worst transaction in any treap in pack.  If that
    1066             :    transaction's score is worse than or equal to threshold_score, it
    1067             :    initiates a delete and returns the number of deleted transactions
    1068             :    (potentially more than 1 for a bundle).  If it's higher than
    1069             :    threshold_score, it returns 0.  To force this function to delete the
    1070             :    worst transaction if there are any eligible ones, pass FLT_MAX as
    1071             :    threshold_score. */
    1072             : static inline ulong
    1073             : delete_worst( fd_pack_t * pack,
    1074             :               float       threshold_score,
    1075      494601 :               int         is_vote ) {
    1076             :   /* If the tree is full, we want to see if this is better than the
    1077             :      worst element in the pool before inserting.  If the new transaction
    1078             :      is better than that one, we'll delete it and insert the new
    1079             :      transaction. Otherwise, we'll throw away this transaction.
    1080             : 
    1081             :      We want to bias the definition of "worst" here to provide better
    1082             :      quality of service.  For example, if the pool is filled with
    1083             :      transactions that all write to the same account or are all votes,
    1084             :      we want to bias towards treating one of those transactions as the
    1085             :      worst, even if they pay slightly higher fees per computer unit,
    1086             :      since we know we won't actually be able to schedule them all.
    1087             : 
    1088             :      This is a tricky task, however.  All our notions of priority and
    1089             :      better/worse are based on static information about the transaction,
    1090             :      and there's not an easy way to take into account global
    1091             :      information, for example, how many other transactions contend with
    1092             :      this one.  One idea is to build a heap (not a treap, since we only
    1093             :      need pop-min, insert, and delete) with one element for each element
    1094             :      in the pool, with a "delete me" score that's related but not
    1095             :      identical to the normal score.  This would allow building in some
    1096             :      global information.  The downside is that the global information
    1097             :      that gets integrated is static.  E.g. if you bias a transaction's
    1098             :      "delete me" score to make it more likely to be deleted because
    1099             :      there are many conflicting transactions in the pool, the score
    1100             :      stays biased, even if the global conditions change (unless you come
    1101             :      up with some complicated re-scoring scheme).  This can work, since
    1102             :      when the pool is full, the global bias factors are unlikely to
    1103             :      change significantly at the relevant timescales.
    1104             : 
    1105             :      However, rather than this, we implement a simpler probabilistic
    1106             :      scheme.  We'll sample M transactions, find the worst transaction in
    1107             :      each of the M treaps, compute a "delete me" score for those <= M
    1108             :      transactions, and delete the worst.  If one penalty treap is
    1109             :      starting to get big, then it becomes very likely that the random
    1110             :      sample will find it and choose to delete a transaction from it.
    1111             : 
    1112             :      The exact formula for the "delete me" score should be the matter of
    1113             :      some more intense quantitative research.  For now, we'll just use
    1114             :      this:
    1115             : 
    1116             :      Treap with N transactions        Scale Factor
    1117             :      Pending                      1.0 unless inserting a vote and votes < 25%
    1118             :      Pending votes                1.0 until 75% of depth, then 0
    1119             :      Penalty treap                1.0 at <= 100 transactions, then sqrt(100/N)
    1120             :      Pending bundles              inf (since the rewards value is fudged)
    1121             : 
    1122             :      We'll also use M=8. */
    1123             : 
    1124      494601 :   float worst_score = FLT_MAX;
    1125      494601 :   fd_pack_ord_txn_t * worst = NULL;
    1126     4451409 :   for( ulong i=0UL; i<8UL; i++ ) {
    1127     3956808 :     uint  pool_max = (uint)trp_pool_max( pack->pool );
    1128     3956808 :     ulong sample_i = fd_rng_uint_roll( pack->rng, pool_max );
    1129             : 
    1130     3956808 :     fd_pack_ord_txn_t * sample = &pack->pool[ sample_i ];
    1131             :     /* Presumably if we're calling this, the pool is almost entirely
    1132             :        full, so the probability of choosing a free one is small.  If
    1133             :        it does happen, find the first one that isn't free. */
    1134     3959140 :     while( FD_UNLIKELY( sample->root==FD_ORD_TXN_ROOT_FREE ) ) sample = &pack->pool[ (++sample_i)%pool_max ];
    1135             : 
    1136     3956808 :     int       root_idx   = sample->root;
    1137     3956808 :     float     multiplier = 0.0f; /* The smaller this is, the more biased we'll be to deleting it */
    1138     3956808 :     treap_t * treap;
    1139     3956808 :     switch( root_idx & FD_ORD_TXN_ROOT_TAG_MASK ) {
    1140           0 :       default:
    1141           0 :       case FD_ORD_TXN_ROOT_FREE: {
    1142           0 :         FD_LOG_CRIT(( "Double free detected" ));
    1143           0 :         return ULONG_MAX; /* Can't be hit */
    1144           0 :       }
    1145     3935441 :       case FD_ORD_TXN_ROOT_PENDING: {
    1146     3935441 :         treap = pack->pending;
    1147     3935441 :         ulong vote_cnt = treap_ele_cnt( pack->pending_votes );
    1148     3935441 :         if( FD_LIKELY( !is_vote || (vote_cnt>=pack->pack_depth/4UL ) ) ) multiplier = 1.0f;
    1149     3935441 :         break;
    1150           0 :       }
    1151           0 :       case FD_ORD_TXN_ROOT_PENDING_VOTE: {
    1152           0 :         treap = pack->pending_votes;
    1153           0 :         ulong vote_cnt = treap_ele_cnt( pack->pending_votes );
    1154           0 :         if( FD_LIKELY( is_vote || (vote_cnt<=3UL*pack->pack_depth/4UL ) ) ) multiplier = 1.0f;
    1155           0 :         break;
    1156           0 :       }
    1157           0 :       case FD_ORD_TXN_ROOT_PENDING_BUNDLE: {
    1158             :         /* We don't have a way to tell how much these actually pay in
    1159             :            rewards, so we just assume they are very high. */
    1160           0 :         treap = pack->pending_bundles;
    1161             :         /* We cap rewards at UINT_MAX lamports for estimation, and min
    1162             :            CUs is about 1000, which means rewards/compute < 5e6.
    1163             :            FLT_MAX is around 3e38. That means, 1e20*rewards/compute is
    1164             :            much less than FLT_MAX, so we won't have any issues with
    1165             :            overflow.  On the other hand, if rewards==1 lamport and
    1166             :            compute is 2 million CUs, 1e20*1/2e6 is still higher than any
    1167             :            normal transaction. */
    1168           0 :         multiplier = 1e20f;
    1169           0 :         break;
    1170           0 :       }
    1171       21367 :       case FD_ORD_TXN_ROOT_PENALTY( 0 ): {
    1172       21367 :         fd_txn_t * txn = TXN( sample->txn );
    1173       21367 :         fd_acct_addr_t const * accts   = fd_txn_get_acct_addrs( txn, sample->txn->payload );
    1174       21367 :         fd_acct_addr_t const * alt_adj = sample->txn_e->alt_accts - fd_txn_account_cnt( txn, FD_TXN_ACCT_CAT_IMM );
    1175       21367 :         fd_acct_addr_t penalty_acct = *ACCT_IDX_TO_PTR( FD_ORD_TXN_ROOT_PENALTY_ACCT_IDX( root_idx ) );
    1176       21367 :         fd_pack_penalty_treap_t * q = penalty_map_query( pack->penalty_treaps, penalty_acct, NULL );
    1177       21367 :         FD_TEST( q );
    1178       21367 :         ulong cnt = treap_ele_cnt( q->penalty_treap );
    1179       21367 :         treap = q->penalty_treap;
    1180             : 
    1181       21367 :         multiplier = sqrtf( 100.0f / (float)fd_ulong_max( 100UL, cnt ) );
    1182       21367 :         break;
    1183       21367 :       }
    1184     3956808 :     }
    1185             :     /* Get the worst from the sampled treap */
    1186     3956808 :     treap_fwd_iter_t _cur=treap_fwd_iter_init( treap, pack->pool );
    1187     3956808 :     FD_TEST( !treap_fwd_iter_done( _cur ) ); /* It can't be empty because we just sampled an element from it. */
    1188     3956808 :     sample = treap_fwd_iter_ele( _cur, pack->pool );
    1189             : 
    1190     3956808 :     float score = multiplier * (float)sample->rewards / (float)sample->compute_est;
    1191     3956808 :     worst = fd_ptr_if( score<worst_score, sample, worst );
    1192     3956808 :     worst_score = fd_float_if( worst_score<score, worst_score, score );
    1193     3956808 :   }
    1194             : 
    1195      494601 :   if( FD_UNLIKELY( !worst                      ) ) return 0;
    1196      494601 :   if( FD_UNLIKELY( threshold_score<worst_score ) ) return 0;
    1197             : 
    1198      494601 :   return delete_transaction( pack, worst, 1, 1 );
    1199      494601 : }
    1200             : 
    1201             : static inline int
    1202             : validate_transaction( fd_pack_t               * pack,
    1203             :                       fd_pack_ord_txn_t const * ord,
    1204             :                       fd_txn_t          const * txn,
    1205             :                       fd_acct_addr_t    const * accts,
    1206             :                       fd_acct_addr_t    const * alt_adj,
    1207    13552635 :                       int                       check_bundle_blacklist ) {
    1208    13552635 :   int writes_to_sysvar = 0;
    1209    13552635 :   for( fd_txn_acct_iter_t iter=fd_txn_acct_iter_init( txn, FD_TXN_ACCT_CAT_WRITABLE );
    1210    28259988 :       iter!=fd_txn_acct_iter_end(); iter=fd_txn_acct_iter_next( iter ) ) {
    1211    14707353 :     writes_to_sysvar |= fd_pack_unwritable_contains( ACCT_ITER_TO_PTR( iter ) );
    1212    14707353 :   }
    1213             : 
    1214    13552635 :   int bundle_blacklist = 0;
    1215    13552635 :   int acct_blocklist   = 0;
    1216    13552635 :   for( fd_txn_acct_iter_t iter=fd_txn_acct_iter_init( txn, FD_TXN_ACCT_CAT_ALL );
    1217    32749548 :       iter!=fd_txn_acct_iter_end(); iter=fd_txn_acct_iter_next( iter ) ) {
    1218    19196913 :     bundle_blacklist |= (3==fd_pack_tip_prog_check_blacklist( ACCT_ITER_TO_PTR( iter ) ));
    1219             :     /* querying for the inval key is a violation of the fd_map
    1220             :        contract, even though it's actually fine... */
    1221    19196913 :     acct_blocklist   |= (!acct_blocklist_key_inval( *ACCT_ITER_TO_PTR( iter ) )) &&
    1222    19196913 :                         !!acct_blocklist_query( pack->acct_blocklist, *ACCT_ITER_TO_PTR( iter ), NULL );
    1223    19196913 :   }
    1224             : 
    1225    13552635 :   fd_acct_addr_t const * alt     = ord->txn_e->alt_accts;
    1226    13552635 :   fd_chkdup_t * chkdup = pack->chkdup;
    1227    13552635 :   ulong imm_cnt = fd_txn_account_cnt( txn, FD_TXN_ACCT_CAT_IMM );
    1228    13552635 :   ulong alt_cnt = fd_txn_account_cnt( txn, FD_TXN_ACCT_CAT_ALT );
    1229             : 
    1230             :   /* Throw out transactions ... */
    1231             :   /*           ... that are unfunded */
    1232    13552635 :   if( FD_UNLIKELY( !fd_pack_can_fee_payer_afford( accts, ord->rewards    ) ) ) return FD_PACK_INSERT_REJECT_UNAFFORDABLE;
    1233             :   /*           ... that are so big they'll never run */
    1234    13552635 :   if( FD_UNLIKELY( ord->compute_est >= pack->lim->max_cost_per_block       ) ) return FD_PACK_INSERT_REJECT_TOO_LARGE;
    1235             :   /*           ... that load too many accounts (ignoring 9LZdXeKGeBV6hRLdxS1rHbHoEUsKqesCC2ZAPTPKJAbK) */
    1236    13552635 :   if( FD_UNLIKELY( fd_txn_account_cnt( txn, FD_TXN_ACCT_CAT_ALL )>64UL     ) ) return FD_PACK_INSERT_REJECT_ACCOUNT_CNT;
    1237             :   /*           ... that duplicate an account address */
    1238    13552632 :   if( FD_UNLIKELY( fd_chkdup_check( chkdup, accts, imm_cnt, alt, alt_cnt ) ) ) return FD_PACK_INSERT_REJECT_DUPLICATE_ACCT;
    1239             :   /*           ... that try to write to a sysvar */
    1240    13552629 :   if( FD_UNLIKELY( writes_to_sysvar                                        ) ) return FD_PACK_INSERT_REJECT_WRITES_SYSVAR;
    1241             :   /*           ... that use an account that violates bundle rules */
    1242    13552536 :   if( FD_UNLIKELY( bundle_blacklist & !!check_bundle_blacklist             ) ) return FD_PACK_INSERT_REJECT_BUNDLE_BLACKLIST;
    1243             :   /*           ... that use a blocklisted account */
    1244    13552536 :   if( FD_UNLIKELY( acct_blocklist                                          ) ) return FD_PACK_INSERT_REJECT_ACCT_BLOCKLIST;
    1245             :   /*           ... that have an instruction with too many accounts */
    1246             :   /*               TODO: move this check into the transaction parser
    1247             :                    when limit_instruction_accounts is activated
    1248             :                    everywhere. */
    1249    23008542 :   for( ushort i=0; i<txn->instr_cnt; i++ ) {
    1250     9456024 :     if( FD_UNLIKELY( txn->instr[ i ].acct_cnt > FD_PACK_MAX_ACCOUNTS_PER_INSTRUCTION ) ) return FD_PACK_INSERT_REJECT_INSTR_ACCT_CNT;
    1251     9456024 :   }
    1252             : 
    1253    13552518 :   return 0;
    1254    13552521 : }
    1255             : 
    1256             : 
    1257             : 
    1258             : /* returns cumulative penalty "points", i.e. the sum of the populated
    1259             :    section of penalties (which also tells the caller how much of the
    1260             :    array is populated. */
    1261             : static inline ulong
    1262             : populate_bitsets( fd_pack_t         * pack,
    1263             :                   fd_pack_ord_txn_t * ord,
    1264             :                   ushort              penalties  [ static FD_TXN_ACCT_ADDR_MAX ],
    1265    13551468 :                   uchar               penalty_idx[ static FD_TXN_ACCT_ADDR_MAX ] ) {
    1266    13551468 :   FD_PACK_BITSET_CLEAR( ord->rw_bitset );
    1267    13551468 :   FD_PACK_BITSET_CLEAR( ord->w_bitset  );
    1268             : 
    1269    13551468 :   fd_txn_t * txn   = TXN(ord->txn);
    1270    13551468 :   uchar * payload  = ord->txn->payload;
    1271             : 
    1272    13551468 :   fd_acct_addr_t const * accts   = fd_txn_get_acct_addrs( txn, payload );
    1273             :   /* alt_adj is the pointer to the ALT expansion, adjusted so that if
    1274             :      account address n is the first that comes from the ALT, it can be
    1275             :      accessed with adj_lut[n]. */
    1276    13551468 :   fd_acct_addr_t const * alt_adj = ord->txn_e->alt_accts - fd_txn_account_cnt( txn, FD_TXN_ACCT_CAT_IMM );
    1277             : 
    1278    13551468 :   ulong  cumulative_penalty = 0UL;
    1279    13551468 :   ulong  penalty_i          = 0UL;
    1280             : 
    1281    13551468 :   for( fd_txn_acct_iter_t iter=fd_txn_acct_iter_init( txn, FD_TXN_ACCT_CAT_WRITABLE );
    1282    28254132 :       iter!=fd_txn_acct_iter_end(); iter=fd_txn_acct_iter_next( iter ) ) {
    1283    14702664 :     fd_acct_addr_t acct = *ACCT_ITER_TO_PTR( iter );
    1284    14702664 :     fd_pack_bitset_acct_mapping_t * q = bitset_map_query( pack->acct_to_bitset, acct, NULL );
    1285    14702664 :     if( FD_UNLIKELY( q==NULL ) ) {
    1286    13215587 :       q = bitset_map_insert( pack->acct_to_bitset, acct );
    1287    13215587 :       q->ref_cnt                  = 0UL;
    1288    13215587 :       q->first_instance           = ord;
    1289    13215587 :       q->first_instance_was_write = 1;
    1290    13215587 :       q->bit                      = FD_PACK_BITSET_FIRST_INSTANCE;
    1291    13215587 :     } else if( FD_UNLIKELY( q->bit == FD_PACK_BITSET_FIRST_INSTANCE ) ) {
    1292        7429 :       q->bit = pack->bitset_avail[ pack->bitset_avail_cnt ];
    1293        7429 :       pack->bitset_avail_cnt = fd_ulong_if( !!pack->bitset_avail_cnt, pack->bitset_avail_cnt-1UL, 0UL );
    1294             : 
    1295        7429 :       FD_PACK_BITSET_SETN( q->first_instance->rw_bitset, q->bit );
    1296        7429 :       if( q->first_instance_was_write ) FD_PACK_BITSET_SETN( q->first_instance->w_bitset, q->bit );
    1297        7429 :     }
    1298    14702664 :     ulong penalty = fd_ulong_max( q->ref_cnt, PENALTY_TREAP_THRESHOLD )-PENALTY_TREAP_THRESHOLD;
    1299    14702664 :     if( FD_UNLIKELY( penalty ) ) {
    1300     1212867 :       penalties  [ penalty_i ] = (ushort)penalty;
    1301     1212867 :       penalty_idx[ penalty_i ] = (uchar )fd_txn_acct_iter_idx( iter );
    1302     1212867 :       penalty_i++;
    1303     1212867 :       cumulative_penalty += penalty;
    1304     1212867 :     }
    1305             : 
    1306    14702664 :     q->ref_cnt++;
    1307    14702664 :     FD_PACK_BITSET_SETN( ord->rw_bitset, q->bit );
    1308    14702664 :     FD_PACK_BITSET_SETN( ord->w_bitset , q->bit );
    1309    14702664 :   }
    1310             : 
    1311    13551468 :   for( fd_txn_acct_iter_t iter=fd_txn_acct_iter_init( txn, FD_TXN_ACCT_CAT_READONLY );
    1312    18035127 :       iter!=fd_txn_acct_iter_end(); iter=fd_txn_acct_iter_next( iter ) ) {
    1313             : 
    1314     4483659 :     fd_acct_addr_t acct = *ACCT_ITER_TO_PTR( iter );
    1315     4483659 :     if( FD_UNLIKELY( fd_pack_unwritable_contains( &acct ) ) ) continue;
    1316             : 
    1317     3082545 :     fd_pack_bitset_acct_mapping_t * q = bitset_map_query( pack->acct_to_bitset, acct, NULL );
    1318     3082545 :     if( FD_UNLIKELY( q==NULL ) ) {
    1319       29991 :       q = bitset_map_insert( pack->acct_to_bitset, acct );
    1320       29991 :       q->ref_cnt                  = 0UL;
    1321       29991 :       q->first_instance           = ord;
    1322       29991 :       q->first_instance_was_write = 0;
    1323       29991 :       q->bit                      = FD_PACK_BITSET_FIRST_INSTANCE;
    1324     3052554 :     } else if( FD_UNLIKELY( q->bit == FD_PACK_BITSET_FIRST_INSTANCE ) ) {
    1325       11223 :       q->bit = pack->bitset_avail[ pack->bitset_avail_cnt ];
    1326       11223 :       pack->bitset_avail_cnt = fd_ulong_if( !!pack->bitset_avail_cnt, pack->bitset_avail_cnt-1UL, 0UL );
    1327             : 
    1328       11223 :       FD_PACK_BITSET_SETN( q->first_instance->rw_bitset, q->bit );
    1329       11223 :       if( q->first_instance_was_write ) FD_PACK_BITSET_SETN( q->first_instance->w_bitset, q->bit );
    1330       11223 :     }
    1331             : 
    1332     3082545 :     q->ref_cnt++;
    1333     3082545 :     FD_PACK_BITSET_SETN( ord->rw_bitset, q->bit );
    1334     3082545 :   }
    1335    13551468 :   return cumulative_penalty;
    1336    13551468 : }
    1337             : 
    1338             : int
    1339             : fd_pack_insert_txn_fini( fd_pack_t  * pack,
    1340             :                          fd_txn_e_t * txne,
    1341             :                          ulong        expires_at,
    1342    13551063 :                          ulong      * delete_cnt ) {
    1343    13551063 :   *delete_cnt = 0UL;
    1344             : 
    1345    13551063 :   fd_pack_ord_txn_t * ord = (fd_pack_ord_txn_t *)txne;
    1346             : 
    1347    13551063 :   fd_txn_t * txn   = TXN(txne->txnp);
    1348    13551063 :   uchar * payload  = txne->txnp->payload;
    1349             : 
    1350    13551063 :   fd_acct_addr_t const * accts   = fd_txn_get_acct_addrs( txn, payload );
    1351             :   /* alt_adj is the pointer to the ALT expansion, adjusted so that if
    1352             :      account address n is the first that comes from the ALT, it can be
    1353             :      accessed with adj_lut[n]. */
    1354    13551063 :   fd_acct_addr_t const * alt_adj = ord->txn_e->alt_accts - fd_txn_account_cnt( txn, FD_TXN_ACCT_CAT_IMM );
    1355             : 
    1356    13551063 :   ord->expires_at = expires_at;
    1357             : 
    1358    13551063 :   int est_result = fd_pack_estimate_rewards_and_compute( txne, ord, pack->lim );
    1359    13551063 :   if( FD_UNLIKELY( !est_result ) ) REJECT( ESTIMATION_FAIL );
    1360    13551060 :   int is_vote          = est_result==1;
    1361             : 
    1362    13551060 :   int nonce_result = fd_pack_validate_durable_nonce( txne );
    1363    13551060 :   if( FD_UNLIKELY( !nonce_result ) ) REJECT( INVALID_NONCE );
    1364    13551057 :   int is_durable_nonce = nonce_result==2;
    1365    13551057 :   ord->txn->flags &= ~FD_TXN_P_FLAGS_DURABLE_NONCE;
    1366    13551057 :   ord->txn->flags |= fd_uint_if( is_durable_nonce, FD_TXN_P_FLAGS_DURABLE_NONCE, 0U );
    1367             : 
    1368    13551057 :   int validation_result = validate_transaction( pack, ord, txn, accts, alt_adj, !!pack->bundle_meta_sz );
    1369    13551057 :   if( FD_UNLIKELY( validation_result ) ) {
    1370         117 :     trp_pool_ele_release( pack->pool, ord );
    1371         117 :     return validation_result;
    1372         117 :   }
    1373             : 
    1374             :   /* Reject any transactions that have already expired */
    1375    13550940 :   if( FD_UNLIKELY( expires_at<pack->expire_before                          ) ) REJECT( EXPIRED          );
    1376             : 
    1377    13550928 :   int replaces = 0;
    1378             :   /* If it's a durable nonce and we already have one, delete one or the
    1379             :      other. */
    1380    13550928 :   if( FD_UNLIKELY( is_durable_nonce ) ) {
    1381         120 :     fd_pack_ord_txn_t * same_nonce = noncemap_ele_query( pack->noncemap, txne, NULL, pack->pool );
    1382         120 :     if( FD_LIKELY( same_nonce ) ) { /* Seems like most nonce transactions are effectively duplicates */
    1383           9 :       if( FD_LIKELY( same_nonce->root == FD_ORD_TXN_ROOT_PENDING_BUNDLE || COMPARE_WORSE( ord, same_nonce ) ) ) REJECT( NONCE_PRIORITY );
    1384           3 :       ulong _delete_cnt = delete_transaction( pack, same_nonce, 0, 0 ); /* Not a bundle, so delete_full_bundle is 0 */
    1385           3 :       *delete_cnt += _delete_cnt;
    1386           3 :       replaces = 1;
    1387           3 :     }
    1388         120 :   }
    1389             : 
    1390    13550922 :   if( FD_UNLIKELY( pack->pending_txn_cnt == pack->pack_depth ) ) {
    1391      494592 :     float threshold_score = (float)ord->rewards/(float)ord->compute_est;
    1392      494592 :     ulong _delete_cnt = delete_worst( pack, threshold_score, is_vote );
    1393      494592 :     *delete_cnt += _delete_cnt;
    1394      494592 :     if( FD_UNLIKELY( !_delete_cnt ) ) REJECT( PRIORITY );
    1395      494592 :     replaces = 1;
    1396      494592 :   }
    1397             : 
    1398    13550922 :   ord->txn->flags &= ~(FD_TXN_P_FLAGS_BUNDLE | FD_TXN_P_FLAGS_INITIALIZER_BUNDLE);
    1399    13550922 :   ord->skip = FD_PACK_SKIP_CNT;
    1400             : 
    1401             :   /* At this point, we know we have space to insert the transaction and
    1402             :      we've committed to insert it. */
    1403             : 
    1404             :   /* Since the pool uses ushorts, the size of the pool is < USHORT_MAX.
    1405             :      Each transaction can reference an account at most once, which means
    1406             :      that the total number of references for an account is < USHORT_MAX.
    1407             :      If these were ulongs, the array would be 512B, which is kind of a
    1408             :      lot to zero out.*/
    1409    13550922 :   ushort penalties[ FD_TXN_ACCT_ADDR_MAX ] = {0};
    1410    13550922 :   uchar  penalty_idx[ FD_TXN_ACCT_ADDR_MAX ];
    1411    13550922 :   ulong cumulative_penalty = populate_bitsets( pack, ord, penalties, penalty_idx );
    1412             : 
    1413    13550922 :   treap_t * insert_into = pack->pending;
    1414             : 
    1415    13550922 :   if( FD_UNLIKELY( cumulative_penalty && !is_vote ) ) { /* Optimize for high parallelism case */
    1416             :     /* Compute a weighted random choice */
    1417      304959 :     ulong roll = (ulong)fd_rng_uint_roll( pack->rng, (uint)cumulative_penalty ); /* cumulative_penalty < USHORT_MAX*64 < UINT_MAX */
    1418      304959 :     ulong i = 0UL;
    1419             :     /* Find the right one.  This can be done in O(log N), but I imagine
    1420             :        N is normally so small that doesn't matter. */
    1421      757484 :     while( roll>=penalties[i] ) roll -= (ulong)penalties[i++];
    1422             : 
    1423      304959 :     fd_acct_addr_t penalty_acct = *ACCT_IDX_TO_PTR( penalty_idx[i] );
    1424      304959 :     fd_pack_penalty_treap_t * q = penalty_map_query( pack->penalty_treaps, penalty_acct, NULL );
    1425      304959 :     if( FD_UNLIKELY( q==NULL ) ) {
    1426        2901 :       q = penalty_map_insert( pack->penalty_treaps, penalty_acct );
    1427        2901 :       treap_new( q->penalty_treap, pack->pack_depth );
    1428        2901 :     }
    1429      304959 :     insert_into = q->penalty_treap;
    1430      304959 :     ord->root = FD_ORD_TXN_ROOT_PENALTY( penalty_idx[i] );
    1431    13245963 :   } else {
    1432    13245963 :     ord->root = fd_int_if( is_vote, FD_ORD_TXN_ROOT_PENDING_VOTE, FD_ORD_TXN_ROOT_PENDING );
    1433             : 
    1434    13245963 :     fd_pack_smallest_t * smallest = fd_ptr_if( is_vote, &pack->pending_votes_smallest[0], pack->pending_smallest );
    1435    13245963 :     smallest->cus   = fd_ulong_min( smallest->cus,   ord->compute_est       );
    1436    13245963 :     smallest->bytes = fd_ulong_min( smallest->bytes, txne->txnp->payload_sz );
    1437    13245963 :   }
    1438             : 
    1439    13550922 :   pack->pending_txn_cnt++;
    1440             : 
    1441    13550922 :   sig2txn_ele_insert( pack->signature_map, ord, pack->pool );
    1442             : 
    1443    13550922 :   if( FD_UNLIKELY( is_durable_nonce ) ) noncemap_ele_insert( pack->noncemap, ord, pack->pool );
    1444             : 
    1445    13550922 :   fd_pack_expq_t temp[ 1 ] = {{ .expires_at = expires_at, .txn = ord }};
    1446    13550922 :   expq_insert( pack->expiration_q, temp );
    1447             : 
    1448    13550922 :   if( FD_LIKELY( is_vote ) ) insert_into = pack->pending_votes;
    1449             : 
    1450    13550922 :   treap_ele_insert( insert_into, ord, pack->pool );
    1451    13550922 :   return (is_vote) | (replaces<<1) | (is_durable_nonce<<2);
    1452    13550922 : }
    1453             : #undef REJECT
    1454             : 
    1455             : fd_txn_e_t * const *
    1456             : fd_pack_insert_bundle_init( fd_pack_t          * pack,
    1457             :                             fd_txn_e_t *       * bundle,
    1458         381 :                             ulong                txn_cnt ) {
    1459         381 :   FD_TEST( txn_cnt<=FD_PACK_MAX_TXN_PER_BUNDLE  );
    1460         381 :   FD_TEST( trp_pool_free( pack->pool )>=txn_cnt );
    1461        1968 :   for( ulong i=0UL; i<txn_cnt; i++ ) bundle[ i ] = trp_pool_ele_acquire( pack->pool )->txn_e;
    1462         381 :   return bundle;
    1463         381 : }
    1464             : 
    1465             : void
    1466             : fd_pack_insert_bundle_cancel( fd_pack_t          * pack,
    1467             :                               fd_txn_e_t * const * bundle,
    1468         249 :                               ulong                txn_cnt ) {
    1469             :   /* There's no real reason these have to be released in reverse, but it
    1470             :      seems fitting to release them in the opposite order they were
    1471             :      acquired. */
    1472        1290 :   for( ulong i=0UL; i<txn_cnt; i++ ) trp_pool_ele_release( pack->pool, (fd_pack_ord_txn_t*)bundle[ txn_cnt-1UL-i ] );
    1473         249 : }
    1474             : 
    1475             : /* Explained below */
    1476             : #define BUNDLE_L_PRIME 37896771UL
    1477             : #define BUNDLE_N       312671UL
    1478         147 : #define RC_TO_REL_BUNDLE_IDX( r, c ) (BUNDLE_N - ((ulong)(r) * 1UL<<32)/((ulong)(c) * BUNDLE_L_PRIME))
    1479             : 
    1480             : int
    1481             : fd_pack_insert_bundle_fini( fd_pack_t          * pack,
    1482             :                             fd_txn_e_t * const * bundle,
    1483             :                             ulong                txn_cnt,
    1484             :                             ulong                expires_at,
    1485             :                             int                  initializer_bundle,
    1486             :                             void         const * bundle_meta,
    1487         381 :                             ulong              * delete_cnt ) {
    1488             : 
    1489         381 :   int err = 0;
    1490         381 :   *delete_cnt = 0UL;
    1491             : 
    1492         381 :   ulong pending_b_txn_cnt = treap_ele_cnt( pack->pending_bundles );
    1493             :     /* We want to prevent bundles from consuming the whole treap, but in
    1494             :        general, we assume bundles are lucrative.  We'll set the policy
    1495             :        on capping bundles at half of the pack depth.  We assume that the
    1496             :        bundles are coming in a pre-prioritized order, so it doesn't make
    1497             :        sense to drop an earlier bundle for this one.  That means that
    1498             :        really, the best thing to do is drop this one. */
    1499         381 :   if( FD_UNLIKELY( (!initializer_bundle)&(pending_b_txn_cnt+txn_cnt>pack->pack_depth/2UL) ) ) err = FD_PACK_INSERT_REJECT_PRIORITY;
    1500             : 
    1501         381 :   if( FD_UNLIKELY( expires_at<pack->expire_before                                         ) ) err = FD_PACK_INSERT_REJECT_EXPIRED;
    1502             : 
    1503             : 
    1504         381 :   int   replaces      = 0;
    1505         381 :   ulong nonce_txn_cnt = 0UL;
    1506             : 
    1507             :   /* Collect nonce hashes to detect duplicate nonces.
    1508             :      Use a constant-time duplicate-detection algorithm -- Vacant entries
    1509             :      have the MSB set, occupied entries are the noncemap hash, with the
    1510             :      MSB set to 0. */
    1511         381 :   ulong nonce_hash63[ FD_PACK_MAX_TXN_PER_BUNDLE ];
    1512        2286 :   for( ulong i=0UL; i<FD_PACK_MAX_TXN_PER_BUNDLE; i++ ) {
    1513        1905 :     nonce_hash63[ i ] = ULONG_MAX-i;
    1514        1905 :   }
    1515             : 
    1516        1959 :   for( ulong i=0UL; (i<txn_cnt) && !err; i++ ) {
    1517        1584 :     fd_pack_ord_txn_t * ord = (fd_pack_ord_txn_t *)bundle[ i ];
    1518             : 
    1519        1584 :     fd_txn_t const * txn     = TXN(bundle[ i ]->txnp);
    1520        1584 :     uchar    const * payload = bundle[ i ]->txnp->payload;
    1521             : 
    1522        1584 :     fd_acct_addr_t const * accts   = fd_txn_get_acct_addrs( txn, payload );
    1523        1584 :     fd_acct_addr_t const * alt_adj = ord->txn_e->alt_accts - fd_txn_account_cnt( txn, FD_TXN_ACCT_CAT_IMM );
    1524             : 
    1525        1584 :     int est_result = fd_pack_estimate_rewards_and_compute( bundle[ i ], ord, pack->lim );
    1526        1584 :     if( FD_UNLIKELY( est_result==0 ) ) { err = FD_PACK_INSERT_REJECT_ESTIMATION_FAIL;  break; }
    1527             :     /* Votes not allowed in bundles */
    1528        1584 :     if( FD_UNLIKELY( est_result==1 ) ) { err = FD_PACK_INSERT_REJECT_BUNDLE_BLACKLIST; break; }
    1529        1581 :     int nonce_result = fd_pack_validate_durable_nonce( ord->txn_e );
    1530        1581 :     if( FD_UNLIKELY( !nonce_result ) ) { err = FD_PACK_INSERT_REJECT_INVALID_NONCE;    break; }
    1531        1581 :     int is_durable_nonce = nonce_result==2;
    1532        1581 :     nonce_txn_cnt += !!is_durable_nonce;
    1533             : 
    1534        1581 :     bundle[ i ]->txnp->flags |= FD_TXN_P_FLAGS_BUNDLE;
    1535        1581 :     bundle[ i ]->txnp->flags &= ~(FD_TXN_P_FLAGS_INITIALIZER_BUNDLE | FD_TXN_P_FLAGS_DURABLE_NONCE);
    1536        1581 :     bundle[ i ]->txnp->flags |= fd_uint_if( initializer_bundle, FD_TXN_P_FLAGS_INITIALIZER_BUNDLE, 0U );
    1537        1581 :     bundle[ i ]->txnp->flags |= fd_uint_if( is_durable_nonce,   FD_TXN_P_FLAGS_DURABLE_NONCE,      0U );
    1538        1581 :     ord->skip = FD_PACK_SKIP_CNT;
    1539        1581 :     ord->expires_at = expires_at;
    1540             : 
    1541        1581 :     if( FD_UNLIKELY( is_durable_nonce ) ) {
    1542        1032 :       nonce_hash63[ i ] = noncemap_key_hash( ord->txn_e, pack->noncemap->seed ) & 0x7FFFFFFFFFFFFFFFUL;
    1543        1032 :       fd_pack_ord_txn_t * same_nonce = noncemap_ele_query( pack->noncemap, ord->txn_e, NULL, pack->pool );
    1544        1032 :       if( FD_LIKELY( same_nonce ) ) {
    1545             :         /* bundles take priority over non-bundles, and earlier bundles
    1546             :            take priority over later bundles. */
    1547           6 :         if( FD_UNLIKELY( same_nonce->txn->flags & FD_TXN_P_FLAGS_BUNDLE ) ) {
    1548           3 :           err = FD_PACK_INSERT_REJECT_NONCE_PRIORITY;
    1549           3 :           break;
    1550           3 :         } else {
    1551           3 :           ulong _delete_cnt = delete_transaction( pack, same_nonce, 0, 0 );
    1552           3 :           *delete_cnt += _delete_cnt;
    1553           3 :           replaces = 1;
    1554           3 :         }
    1555           6 :       }
    1556        1032 :     }
    1557             : 
    1558        1578 :     int validation_result = validate_transaction( pack, ord, txn, accts, alt_adj, !initializer_bundle );
    1559        1578 :     if( FD_UNLIKELY( validation_result ) ) { err = validation_result; break; }
    1560        1578 :   }
    1561             : 
    1562         381 :   if( FD_UNLIKELY( err ) ) {
    1563           6 :     fd_pack_insert_bundle_cancel( pack, bundle, txn_cnt );
    1564           6 :     return err;
    1565           6 :   }
    1566             : 
    1567         375 :   if( FD_UNLIKELY( initializer_bundle && pending_b_txn_cnt>0UL ) ) {
    1568           0 :     treap_rev_iter_t _cur=treap_rev_iter_init( pack->pending_bundles, pack->pool );
    1569           0 :     FD_TEST( !treap_rev_iter_done( _cur ) );
    1570           0 :     fd_pack_ord_txn_t * cur = treap_rev_iter_ele( _cur, pack->pool );
    1571           0 :     int is_ib = !!(cur->txn->flags & FD_TXN_P_FLAGS_INITIALIZER_BUNDLE);
    1572             : 
    1573             :     /* Delete the previous IB if there is one */
    1574           0 :     if( FD_UNLIKELY( is_ib && 0UL==RC_TO_REL_BUNDLE_IDX( cur->rewards, cur->compute_est ) ) ) {
    1575           0 :       ulong _delete_cnt = delete_transaction( pack, cur, 1, 0 );
    1576           0 :       *delete_cnt += _delete_cnt;
    1577           0 :     }
    1578           0 :   }
    1579             : 
    1580         384 :   while( FD_UNLIKELY( pack->pending_txn_cnt+txn_cnt > pack->pack_depth ) ) {
    1581           9 :     ulong _delete_cnt = delete_worst( pack, FLT_MAX, 0 );
    1582           9 :     *delete_cnt += _delete_cnt;
    1583           9 :     if( FD_UNLIKELY( !_delete_cnt ) ) {
    1584           0 :       fd_pack_insert_bundle_cancel( pack, bundle, txn_cnt );
    1585           0 :       return FD_PACK_INSERT_REJECT_PRIORITY;
    1586           0 :     }
    1587           9 :     replaces = 1;
    1588           9 :   }
    1589             : 
    1590         375 :   if( FD_UNLIKELY( !pending_b_txn_cnt ) ) {
    1591         375 :     pack->relative_bundle_idx = 1UL;
    1592         375 :   }
    1593             : 
    1594         375 :   if( FD_LIKELY( bundle_meta ) ) {
    1595           0 :     memcpy( (uchar *)pack->bundle_meta + (ulong)((fd_pack_ord_txn_t *)bundle[0]-pack->pool)*pack->bundle_meta_sz, bundle_meta, pack->bundle_meta_sz );
    1596           0 :   }
    1597             : 
    1598         375 :   if( FD_UNLIKELY( nonce_txn_cnt>1UL ) ) {
    1599             :     /* Do a ILP-friendly duplicate detect, naive O(n^2) algo.  With max
    1600             :        5 txns per bundle, this requires 10 comparisons.  ~ 25 cycle.  */
    1601         375 :     uint conflict_detected = 0u;
    1602        1875 :     for( ulong i=0UL; i<FD_PACK_MAX_TXN_PER_BUNDLE-1; i++ ) {
    1603        5250 :       for( ulong j=i+1; j<FD_PACK_MAX_TXN_PER_BUNDLE; j++ ) {
    1604        3750 :         ulong const ele_i = nonce_hash63[ i ];
    1605        3750 :         ulong const ele_j = nonce_hash63[ j ];
    1606        3750 :         conflict_detected |= (ele_i==ele_j);
    1607        3750 :       }
    1608        1500 :     }
    1609         375 :     if( FD_UNLIKELY( conflict_detected ) ) {
    1610         243 :       fd_pack_insert_bundle_cancel( pack, bundle, txn_cnt );
    1611         243 :       return FD_PACK_INSERT_REJECT_NONCE_CONFLICT;
    1612         243 :     }
    1613         375 :   }
    1614             : 
    1615             :   /* We put bundles in a treap just like all the other transactions, but
    1616             :      we actually want to sort them in a very specific order; the order
    1617             :      within the bundle is determined at bundle creation time, and the
    1618             :      order among the bundles is FIFO.  However, it's going to be a pain
    1619             :      to use a different sorting function for this treap, since it's
    1620             :      fixed as part of the treap creation for performance.  Don't fear
    1621             :      though; we can pull a cool math trick out of the bag to shoehorn
    1622             :      the order we'd like into the sort function we need, and to get even
    1623             :      more.
    1624             : 
    1625             :      Recall that the sort function is r_i/c_i, smallest to largest,
    1626             :      where r_i is the rewards and c_i is the cost units.  r_i and c_i
    1627             :      are both uints, and the comparison is done by cross-multiplication
    1628             :      as ulongs.  We actually use the c_i value for testing if
    1629             :      transactions fit, etc.  so let's assume that's fixed, and we know
    1630             :      it's in the range [1020, 1,556,782].
    1631             : 
    1632             :      This means, if c_0, c_1, ... c_4 are the CU costs of the
    1633             :      transactions in the first bundle, we require r_0/c_0 > r_1/c_1 >
    1634             :      ... > r_4/c_4.  Then, if c_5, ... c_9 are the CU costs of the
    1635             :      transactions in the second bundle, we also require that r_4/c_4 >
    1636             :      r_5/c_5.  For convenience, we'll impose a slightly stronger
    1637             :      constraint: we want the kth bundle to obey L*(N-k) <= r_i/c_i <
    1638             :      L*(N+1-k), for fixed constants L and N, real and integer,
    1639             :      respectively, that we'll determine. For example, this means r_4/c_4
    1640             :      >= L*N > r_5/c_5.  This enables us to group the transactions in the
    1641             :      same bundle more easily.
    1642             : 
    1643             :      For convenience in the math below, we'll set j=N-k and relabel the
    1644             :      transactions from the jth bundle c_0, ... c_4.
    1645             :      From above, we know that Lj <= r_4/c_4.  We'd like to make it as
    1646             :      close as possible given that r_4 is an integers.  Thus, put
    1647             :      r_4 = ceil( c_4 * Lj ).  r_4 is clearly an integer, and it satisfies
    1648             :      the required inequality because:
    1649             :             r_4/c_4 = ceil( c_4 * Lj)/c_4 >= c_4*Lj / c_4 >= Lj.
    1650             : 
    1651             :      Following in the same spirit, put r_3 = ceil( c_3 * (r_4+1)/c_4 ).
    1652             :      Again, r_3 is clearly an integer, and
    1653             :                 r_3/c_3  = ceil(c_3*(r_4+1)/c_4)/c_3
    1654             :                         >= (c_3*(r_4+1))/(c_3 * c_4)
    1655             :                         >= r_4/c_4 + 1/c_4
    1656             :                         >  r_4/c_4.
    1657             :      Following the pattern, we put
    1658             :                 r_2 = ceil( c_2 * (r_3+1)/c_3 )
    1659             :                 r_1 = ceil( c_1 * (r_2+1)/c_2 )
    1660             :                 r_0 = ceil( c_0 * (r_1+1)/c_1 )
    1661             :      which work for the same reason that as r_3.
    1662             : 
    1663             :      We now need for r_0 to satisfy the final inequality with L, and
    1664             :      we'll use this to guide our choice of L.  Theoretically, r_0 can be
    1665             :      expressed in terms of L, j, and c_0, ... c_4, but that's a truly
    1666             :      inscrutible expression.  Instead, we need some bounds so we can get
    1667             :      rid of all the ceil using the property that x <= ceil(x) < x+1.
    1668             :                      c_4 * Lj <= r_4 < c_4 * Lj + 1
    1669             :      The lower bound on r_3 is easy:
    1670             :          r_3 >= c_3 * (c_4 * Lj + 1)/c_4 = c_3 * Lj + c_3/c_4
    1671             :      For the upper bound,
    1672             :          r_3 < 1 + c_3*(r_4+1)/c_4 < 1 + c_3*(c_4*Lj+1 + 1)/c_4
    1673             :                                    = 1 + c_3 * Lj + 2*c_3/c_4
    1674             :      Continuing similarly gives
    1675             :        c_2*Lj +                     c_2/c_3 + c_2/c_4 <= r_2
    1676             :        c_1*Lj +           c_1/c_2 + c_1/c_c + c_1/c_4 <= r_1
    1677             :        c_0*Lj + c_0/c_1 + c_0/c_2 + c_0/c_3 + c_0/c_4 <= r_0
    1678             :      and
    1679             :        r_2 < 1 + c_2*Lj +                       2c_2/c_3 + 2c_2/c_4
    1680             :        r_1 < 1 + c_1*Lj +            2c_1/c_2 + 2c_1/c_3 + 2c_1/c_4
    1681             :        r_0 < 1 + c_0*Lj + 2c_0/c_1 + 2c_0/c_2 + 2c_0/c_3 + 2c_0/c_4.
    1682             : 
    1683             :      Setting L(j+1)>=(1 + c_0*Lj+2c_0/c_1+2c_0/c_2+2c_0/c_3+2c_0/c_4)/c_0
    1684             :      is then sufficient to ensure the whole sequence of 5 fits between Lj
    1685             :      and L(j+1).  Simplifying gives
    1686             :               L<= 1/c_0 + 2/c_1 + 2/c_2 + 2/c_3 + 2/c_4
    1687             :      but L must be a constant and not depend on individual values of c_i,
    1688             :      so, given that c_i >= 1020, we set L = 9/1020.
    1689             : 
    1690             :      Now all that remains is to determine N.  It's a bit unfortunate
    1691             :      that we require N, since it limits our capacity, but it's necessary
    1692             :      in any system that tries to compute priorities to enforce a FIFO
    1693             :      order.  If we've inserted more than N bundles without ever having
    1694             :      the bundle treap go empty, we'll briefly break the FIFO ordering as
    1695             :      we underflow.
    1696             : 
    1697             :      Thus, we'd like to make N as big as possible, avoiding overflow.
    1698             :      r_0, ..., r_4 are all uints, and taking the bounds from above,
    1699             :      given that for any i, i' c_i/c_{i'} < 1527, we have
    1700             :                r_i < 1 + 1556782 * Lj + 8*1527.
    1701             :      To avoid overflow, we assert the right-hand side is < 2^32, which
    1702             :      implies N <= 312671.
    1703             : 
    1704             :      We want to use a fixed point representation for L so that the
    1705             :      entire computation can be done with integer arithmetic.  We can do
    1706             :      the arithmetic as ulongs, which means defining L' >= L * 2^s, and
    1707             :      we compute ceil( c_4*Lj ) as floor( (c_4 * L' * j + 2^s - 1)/2^s ),
    1708             :      so c_4 * L' * j + 2^s should fit in a ulong.  With j<=N, this gives
    1709             :      s<=32, so we set s=32, which means L' = 37896771 >= 9/1020 * 2^32.
    1710             :      Note that 1 + 1556782 * L' * N + 8*1527 + 2^32 is approximately
    1711             :      2^63.999993.
    1712             : 
    1713             :      Note that this is all checked by a proof of the code translated
    1714             :      into Z3.  Unfortunately CBMC was too slow to prove this code
    1715             :      directly. */
    1716         279 : #define BUNDLE_L_PRIME 37896771UL
    1717         279 : #define BUNDLE_N       312671UL
    1718             : 
    1719         132 :   if( FD_UNLIKELY( pack->relative_bundle_idx>BUNDLE_N ) ) {
    1720           0 :     FD_LOG_WARNING(( "Too many bundles inserted without allowing pending bundles to go empty. "
    1721           0 :                      "Ordering of bundles may be incorrect." ));
    1722           0 :     pack->relative_bundle_idx = 1UL;
    1723           0 :   }
    1724         132 :   ulong bundle_idx = fd_ulong_if( initializer_bundle, 0UL, pack->relative_bundle_idx );
    1725         132 :   insert_bundle_impl( pack, bundle_idx, txn_cnt, (fd_pack_ord_txn_t * *)bundle, expires_at );
    1726             :   /* if IB this is max( 1, x ), which is x.  Otherwise, this is max(x,
    1727             :      x+1) which is x++ */
    1728         132 :   pack->relative_bundle_idx = fd_ulong_max( bundle_idx+1UL, pack->relative_bundle_idx );
    1729             : 
    1730         132 :   return (0) | (replaces<<1) | ((!!nonce_txn_cnt)<<2);
    1731         375 : }
    1732             : static inline void
    1733             : insert_bundle_impl( fd_pack_t           * pack,
    1734             :                     ulong                 bundle_idx,
    1735             :                     ulong                 txn_cnt,
    1736             :                     fd_pack_ord_txn_t * * bundle,
    1737         132 :                     ulong                 expires_at ) {
    1738         132 :   ulong prev_reward = ((BUNDLE_L_PRIME * (BUNDLE_N - bundle_idx))) - 1UL;
    1739         132 :   ulong prev_cost = 1UL<<32;
    1740             : 
    1741             :   /* Assign last to first */
    1742         678 :   for( ulong i=0UL; i<txn_cnt; i++ ) {
    1743         546 :     fd_pack_ord_txn_t * ord = bundle[ txn_cnt-1UL - i ];
    1744         546 :     ord->rewards = (uint)(((ulong)ord->compute_est * (prev_reward + 1UL) + prev_cost-1UL)/prev_cost);
    1745         546 :     ord->root    = FD_ORD_TXN_ROOT_PENDING_BUNDLE;
    1746         546 :     prev_reward = ord->rewards;
    1747         546 :     prev_cost   = ord->compute_est;
    1748             : 
    1749             :     /* The penalty information isn't used for bundles. */
    1750         546 :     ushort penalties  [ FD_TXN_ACCT_ADDR_MAX ];
    1751         546 :     uchar  penalty_idx[ FD_TXN_ACCT_ADDR_MAX ];
    1752         546 :     populate_bitsets( pack, ord, penalties, penalty_idx );
    1753             : 
    1754         546 :     treap_ele_insert( pack->pending_bundles, ord, pack->pool );
    1755         546 :     pack->pending_txn_cnt++;
    1756             : 
    1757         546 :     if( FD_UNLIKELY( ord->txn->flags & FD_TXN_P_FLAGS_DURABLE_NONCE ) ) noncemap_ele_insert( pack->noncemap, ord, pack->pool );
    1758         546 :     sig2txn_ele_insert( pack->signature_map, ord, pack->pool );
    1759             : 
    1760         546 :     fd_pack_expq_t temp[ 1 ] = {{ .expires_at = expires_at, .txn = ord }};
    1761         546 :     expq_insert( pack->expiration_q, temp );
    1762         546 :   }
    1763             : 
    1764         132 : }
    1765             : 
    1766             : void const *
    1767           0 : fd_pack_peek_bundle_meta( fd_pack_t const * pack ) {
    1768           0 :   int ib_state = pack->initializer_bundle_state;
    1769           0 :   if( FD_UNLIKELY( (ib_state==FD_PACK_IB_STATE_PENDING) | (ib_state==FD_PACK_IB_STATE_FAILED) ) ) return NULL;
    1770             : 
    1771           0 :   treap_rev_iter_t _cur=treap_rev_iter_init( pack->pending_bundles, pack->pool );
    1772           0 :   if( FD_UNLIKELY( treap_rev_iter_done( _cur ) ) ) return NULL; /* empty */
    1773             : 
    1774           0 :   fd_pack_ord_txn_t * cur = treap_rev_iter_ele( _cur, pack->pool );
    1775           0 :   int is_ib = !!(cur->txn->flags & FD_TXN_P_FLAGS_INITIALIZER_BUNDLE);
    1776           0 :   if( FD_UNLIKELY( is_ib ) ) return NULL;
    1777             : 
    1778           0 :   return (void const *)((uchar const *)pack->bundle_meta + (ulong)_cur * pack->bundle_meta_sz);
    1779           0 : }
    1780             : 
    1781             : void
    1782           3 : fd_pack_set_initializer_bundles_ready( fd_pack_t * pack ) {
    1783           3 :   pack->initializer_bundle_state = FD_PACK_IB_STATE_READY;
    1784           3 : }
    1785             : 
    1786             : void
    1787     1593891 : fd_pack_metrics_write( fd_pack_t const * pack ) {
    1788     1593891 :   ulong pending_regular = treap_ele_cnt( pack->pending        );
    1789     1593891 :   ulong pending_votes  = treap_ele_cnt( pack->pending_votes   );
    1790     1593891 :   ulong pending_bundle = treap_ele_cnt( pack->pending_bundles );
    1791     1593891 :   ulong conflicting    = pack->pending_txn_cnt - pending_votes - pending_bundle - treap_ele_cnt( pack->pending );
    1792     1593891 :   FD_MGAUGE_SET( PACK, TXN_AVAILABLE_ALL,         pack->pending_txn_cnt       );
    1793     1593891 :   FD_MGAUGE_SET( PACK, TXN_AVAILABLE_REGULAR,     pending_regular             );
    1794     1593891 :   FD_MGAUGE_SET( PACK, TXN_AVAILABLE_VOTES,       pending_votes               );
    1795     1593891 :   FD_MGAUGE_SET( PACK, TXN_AVAILABLE_CONFLICTING, conflicting                 );
    1796     1593891 :   FD_MGAUGE_SET( PACK, TXN_AVAILABLE_BUNDLES,     pending_bundle              );
    1797     1593891 :   FD_MGAUGE_SET( PACK, TXN_PENDING_SMALLEST_CU,      pack->pending_smallest->cus );
    1798             : 
    1799     1593891 :   FD_MCNT_ENUM_COPY( PACK, TXN_SCHEDULED, pack->sched_results );
    1800     1593891 : }
    1801             : 
    1802             : void
    1803           0 : fd_pack_get_sched_metrics( fd_pack_t const * pack, ulong * metrics ) {
    1804           0 :   fd_memcpy( metrics, pack->sched_results, sizeof(pack->sched_results) );
    1805           0 : }
    1806             : 
    1807             : typedef struct {
    1808             :   ushort clear_rw_bit;
    1809             :   ushort clear_w_bit;
    1810             : } release_result_t;
    1811             : 
    1812             : static inline release_result_t
    1813             : release_bit_reference( fd_pack_t            * pack,
    1814    17781297 :                        fd_acct_addr_t const * acct ) {
    1815             : 
    1816    17781297 :   fd_pack_bitset_acct_mapping_t * q = bitset_map_query( pack->acct_to_bitset, *acct, NULL );
    1817    17781297 :   FD_TEST( q ); /* q==NULL not be possible */
    1818             : 
    1819    17781297 :   q->ref_cnt--;
    1820             : 
    1821    17781297 :   if( FD_UNLIKELY( q->ref_cnt==0UL ) ) {
    1822    13241789 :     ushort bit = q->bit;
    1823    13241789 :     bitset_map_remove( pack->acct_to_bitset, q );
    1824    13241789 :     if( FD_LIKELY( bit<FD_PACK_BITSET_MAX ) ) pack->bitset_avail[ ++(pack->bitset_avail_cnt) ] = bit;
    1825             : 
    1826    13241789 :     fd_pack_addr_use_t * use = acct_uses_query( pack->acct_in_use,  *acct, NULL );
    1827    13241789 :     if( FD_LIKELY( use ) ) {
    1828    12745647 :       use->in_use_by |= FD_PACK_IN_USE_BIT_CLEARED;
    1829    12745647 :       release_result_t ret = { .clear_rw_bit = bit,
    1830    12745647 :                                .clear_w_bit = fd_ushort_if( !!(use->in_use_by & FD_PACK_IN_USE_WRITABLE), bit, FD_PACK_BITSET_MAX ) };
    1831    12745647 :       return ret;
    1832    12745647 :     }
    1833    13241789 :   }
    1834     5035650 :   release_result_t ret = { .clear_rw_bit = FD_PACK_BITSET_MAX, .clear_w_bit = FD_PACK_BITSET_MAX };
    1835     5035650 :   return ret;
    1836    17781297 : }
    1837             : 
    1838             : typedef struct {
    1839             :   ulong cus_scheduled;
    1840             :   ulong txns_scheduled;
    1841             :   ulong bytes_scheduled;
    1842             :   ulong alloc_scheduled;
    1843             : } sched_return_t;
    1844             : 
    1845             : static inline sched_return_t
    1846             : fd_pack_schedule_impl( fd_pack_t          * pack,
    1847             :                        treap_t            * sched_from,
    1848             :                        ulong                cu_limit,
    1849             :                        ulong                txn_limit,
    1850             :                        ulong                byte_limit,
    1851             :                        ulong                alloc_limit,
    1852             :                        ulong                bank_tile,
    1853             :                        fd_pack_smallest_t * smallest_in_treap,
    1854             :                        ulong              * use_by_bank_txn,
    1855     3187689 :                        fd_txn_e_t         * out ) {
    1856             : 
    1857     3187689 :   fd_pack_ord_txn_t  * pool         = pack->pool;
    1858     3187689 :   fd_pack_addr_use_t * acct_in_use  = pack->acct_in_use;
    1859     3187689 :   fd_pack_addr_use_t * writer_costs = pack->writer_costs;
    1860             : 
    1861     3187689 :   fd_pack_addr_use_t ** written_list     = pack->written_list;
    1862     3187689 :   ulong                 written_list_cnt = pack->written_list_cnt;
    1863     3187689 :   ulong                 written_list_max = pack->written_list_max;
    1864             : 
    1865     3187689 :   FD_PACK_BITSET_DECLARE( bitset_rw_in_use );
    1866     3187689 :   FD_PACK_BITSET_DECLARE( bitset_w_in_use  );
    1867     3187689 :   FD_PACK_BITSET_COPY( bitset_rw_in_use, pack->bitset_rw_in_use );
    1868     3187689 :   FD_PACK_BITSET_COPY( bitset_w_in_use,  pack->bitset_w_in_use  );
    1869             : 
    1870     3187689 :   fd_pack_addr_use_t * use_by_bank     = pack->use_by_bank    [bank_tile];
    1871     3187689 :   ulong                use_by_bank_cnt = pack->use_by_bank_cnt[bank_tile];
    1872             : 
    1873     3187689 :   ulong max_write_cost_per_acct = pack->lim->max_write_cost_per_acct;
    1874             : 
    1875     3187689 :   ushort compressed_slot_number = pack->compressed_slot_number;
    1876             : 
    1877     3187689 :   ulong txns_scheduled  = 0UL;
    1878     3187689 :   ulong cus_scheduled   = 0UL;
    1879     3187689 :   ulong bytes_scheduled = 0UL;
    1880     3187689 :   ulong alloc_scheduled = 0UL;
    1881             : 
    1882     3187689 :   ulong bank_tile_mask = 1UL << bank_tile;
    1883             : 
    1884     3187689 :   ulong fast_path     = 0UL;
    1885     3187689 :   ulong slow_path     = 0UL;
    1886     3187689 :   ulong cu_limit_c    = 0UL;
    1887     3187689 :   ulong byte_limit_c  = 0UL;
    1888     3187689 :   ulong alloc_limit_c = 0UL;
    1889     3187689 :   ulong write_limit_c = 0UL;
    1890     3187689 :   ulong skip_c        = 0UL;
    1891             : 
    1892     3187689 :   ulong min_cus   = ULONG_MAX;
    1893     3187689 :   ulong min_bytes = ULONG_MAX;
    1894             : 
    1895     3187689 :   if( FD_UNLIKELY( (cu_limit<smallest_in_treap->cus) | (txn_limit==0UL) | (byte_limit<smallest_in_treap->bytes) ) ) {
    1896     1655160 :     sched_return_t to_return = { .cus_scheduled = 0UL, .txns_scheduled = 0UL, .bytes_scheduled = 0UL };
    1897     1655160 :     return to_return;
    1898     1655160 :   }
    1899             : 
    1900     1532529 :   treap_rev_iter_t prev = treap_idx_null();
    1901    23894616 :   for( treap_rev_iter_t _cur=treap_rev_iter_init( sched_from, pool ); !treap_rev_iter_done( _cur ); _cur=prev ) {
    1902             :     /* Capture next so that we can delete while we iterate. */
    1903    23809221 :     prev = treap_rev_iter_next( _cur, pool );
    1904             : 
    1905    23809221 : #   if FD_HAS_X86
    1906    23809221 :     _mm_prefetch( &(pool[ prev ].prev),      _MM_HINT_T0 );
    1907    23809221 : #   endif
    1908             : 
    1909    23809221 :     fd_pack_ord_txn_t * cur = treap_rev_iter_ele( _cur, pool );
    1910             : 
    1911    23809221 :     min_cus   = fd_ulong_min( min_cus,   cur->compute_est     );
    1912    23809221 :     min_bytes = fd_ulong_min( min_bytes, cur->txn->payload_sz );
    1913             : 
    1914    23809221 :     ulong conflicts = 0UL;
    1915             : 
    1916    23809221 :     if( FD_UNLIKELY( cur->compute_est>cu_limit ) ) {
    1917             :       /* Too big to be scheduled at the moment, but might be okay for
    1918             :          the next microblock, so we don't want to delay it. */
    1919           0 :       cu_limit_c++;
    1920           0 :       continue;
    1921           0 :     }
    1922             : 
    1923    23809221 :     if( FD_UNLIKELY( cur->txn->pack_alloc>alloc_limit ) ) {
    1924             :       /* We don't want to consider this until the next block, but
    1925             :          checking alloc is as cheap as checking cur->skip, so there's
    1926             :          not a big difference. */
    1927          18 :       alloc_limit_c++;
    1928          18 :       continue;
    1929          18 :     }
    1930             : 
    1931             :     /* Likely? Unlikely? */
    1932    23809203 :     if( FD_LIKELY( !FD_PACK_BITSET_INTERSECT4_EMPTY( bitset_rw_in_use, bitset_w_in_use, cur->w_bitset, cur->rw_bitset ) ) ) {
    1933    10755093 :       fast_path++;
    1934    10755093 :       continue;
    1935    10755093 :     }
    1936             : 
    1937    13054110 :     if( FD_UNLIKELY( cur->skip==compressed_slot_number ) ) {
    1938           0 :       skip_c++;
    1939           0 :       continue;
    1940           0 :     }
    1941             : 
    1942             :     /* If skip>FD_PACK_MAX_SKIP but not compressed_slot_number, it means
    1943             :        it's the compressed slot number of a previous slot.  We don't
    1944             :        care unless we're going to update the value though, so we don't
    1945             :        need to eagerly reset it to FD_PACK_MAX_SKIP.
    1946             :        compressed_slot_number is a ushort, so it's possible for it to
    1947             :        roll over, but the transaction lifetime is much shorter than
    1948             :        that, so it won't be a problem. */
    1949             : 
    1950    13054110 :     if( FD_UNLIKELY( cur->txn->payload_sz>byte_limit ) ) {
    1951           6 :       byte_limit_c++;
    1952           6 :       continue;
    1953           6 :     }
    1954             : 
    1955             : 
    1956    13054104 :     fd_txn_t const * txn = TXN(cur->txn);
    1957    13054104 :     fd_acct_addr_t const * accts   = fd_txn_get_acct_addrs( txn, cur->txn->payload );
    1958    13054104 :     fd_acct_addr_t const * alt_adj = cur->txn_e->alt_accts - fd_txn_account_cnt( txn, FD_TXN_ACCT_CAT_IMM );
    1959             :     /* Check conflicts between this transaction's writable accounts and
    1960             :        current readers */
    1961    13054104 :     for( fd_txn_acct_iter_t iter=fd_txn_acct_iter_init( txn, FD_TXN_ACCT_CAT_WRITABLE );
    1962    27246513 :         iter!=fd_txn_acct_iter_end(); iter=fd_txn_acct_iter_next( iter ) ) {
    1963             : 
    1964    14192412 :       fd_acct_addr_t acct = *ACCT_ITER_TO_PTR( iter );
    1965             : 
    1966    14192412 :       fd_pack_addr_use_t * in_wcost_table = acct_uses_query( writer_costs, acct, NULL );
    1967    14192412 :       if( FD_UNLIKELY( in_wcost_table && in_wcost_table->total_cost+cur->compute_est > max_write_cost_per_acct ) ) {
    1968             :         /* Can't be scheduled until the next block */
    1969           3 :         conflicts = ULONG_MAX;
    1970           3 :         break;
    1971           3 :       }
    1972             : 
    1973    14192409 :       fd_pack_addr_use_t * use = acct_uses_query( acct_in_use, acct, NULL );
    1974    14192409 :       if( FD_UNLIKELY( use ) ) conflicts |= use->in_use_by; /* break? */
    1975    14192409 :     }
    1976             : 
    1977    13054104 :     if( FD_UNLIKELY( conflicts==ULONG_MAX ) ) {
    1978             :       /* The logic for how to adjust skip is a bit complicated, and we
    1979             :          want to do it branchlessly. Let psc=FD_PACK_SKIP_CNT,
    1980             :            Before                   After
    1981             :              1               compressed_slot_number
    1982             :            x in [2, psc]             x-1
    1983             :            x where x>psc            psc-1
    1984             : 
    1985             :          Set A=min(x, 5), B=min(A-2, compressed_slot_number-1), and
    1986             :          note that compressed_slot_number is in [psc+1, USHORT_MAX].
    1987             :          Then:
    1988             :              x                A     A-2          B      B+1
    1989             :              1                1  USHORT_MAX    csn-1    csn
    1990             :            x in [2, psc]      x     x-2         x-2     x-1
    1991             :            x where x>psc     psc   psc-2       psc-2   psc-1
    1992             :          So B+1 is the desired value. */
    1993           3 :       cur->skip = (ushort)(1+fd_ushort_min( (ushort)(compressed_slot_number-1),
    1994           3 :                                             (ushort)(fd_ushort_min( cur->skip, FD_PACK_SKIP_CNT )-2) ) );
    1995           3 :       write_limit_c++;
    1996           3 :       continue;
    1997           3 :     }
    1998             : 
    1999    13054101 :     if( FD_UNLIKELY( conflicts ) ) {
    2000           6 :       slow_path++;
    2001           6 :       continue;
    2002           6 :     }
    2003             : 
    2004             :     /* Check conflicts between this transaction's readonly accounts and
    2005             :        current writers */
    2006    13054095 :     for( fd_txn_acct_iter_t iter=fd_txn_acct_iter_init( txn, FD_TXN_ACCT_CAT_READONLY );
    2007    16529649 :         iter!=fd_txn_acct_iter_end(); iter=fd_txn_acct_iter_next( iter ) ) {
    2008             : 
    2009     3475554 :       fd_acct_addr_t const * acct = ACCT_ITER_TO_PTR( iter );
    2010     3475554 :       if( fd_pack_unwritable_contains( acct ) ) continue; /* No need to track sysvars because they can't be writable */
    2011             : 
    2012     2576115 :       fd_pack_addr_use_t * use = acct_uses_query( acct_in_use,  *acct, NULL );
    2013     2576115 :       if( use ) conflicts |= (use->in_use_by & FD_PACK_IN_USE_WRITABLE) ? use->in_use_by : 0UL;
    2014     2576115 :     }
    2015             : 
    2016    13054095 :     if( FD_UNLIKELY( conflicts ) ) {
    2017           0 :       slow_path++;
    2018           0 :       continue;
    2019           0 :     }
    2020             : 
    2021             :     /* Include this transaction in the microblock! */
    2022    13054095 :     FD_PACK_BITSET_OR( bitset_rw_in_use, cur->rw_bitset );
    2023    13054095 :     FD_PACK_BITSET_OR( bitset_w_in_use,  cur->w_bitset  );
    2024             : 
    2025    13054095 :     fd_txn_p_t * out_txnp = out->txnp;
    2026    13054095 :     if(
    2027     4351365 : #if FD_HAS_AVX512 && FD_PACK_USE_NON_TEMPORAL_MEMCPY
    2028     4351365 :         FD_LIKELY( cur->txn->payload_sz>=1024UL )
    2029             : #else
    2030     8702730 :         0
    2031     8702730 : #endif
    2032    13054095 :       ) {
    2033        4224 : #if FD_HAS_AVX512 && FD_PACK_USE_NON_TEMPORAL_MEMCPY
    2034        4224 :       _mm512_stream_si512( (void*)(out_txnp->payload+   0UL), _mm512_load_epi64( cur->txn->payload+   0UL ) );
    2035        4224 :       _mm512_stream_si512( (void*)(out_txnp->payload+  64UL), _mm512_load_epi64( cur->txn->payload+  64UL ) );
    2036        4224 :       _mm512_stream_si512( (void*)(out_txnp->payload+ 128UL), _mm512_load_epi64( cur->txn->payload+ 128UL ) );
    2037        4224 :       _mm512_stream_si512( (void*)(out_txnp->payload+ 192UL), _mm512_load_epi64( cur->txn->payload+ 192UL ) );
    2038        4224 :       _mm512_stream_si512( (void*)(out_txnp->payload+ 256UL), _mm512_load_epi64( cur->txn->payload+ 256UL ) );
    2039        4224 :       _mm512_stream_si512( (void*)(out_txnp->payload+ 320UL), _mm512_load_epi64( cur->txn->payload+ 320UL ) );
    2040        4224 :       _mm512_stream_si512( (void*)(out_txnp->payload+ 384UL), _mm512_load_epi64( cur->txn->payload+ 384UL ) );
    2041        4224 :       _mm512_stream_si512( (void*)(out_txnp->payload+ 448UL), _mm512_load_epi64( cur->txn->payload+ 448UL ) );
    2042        4224 :       _mm512_stream_si512( (void*)(out_txnp->payload+ 512UL), _mm512_load_epi64( cur->txn->payload+ 512UL ) );
    2043        4224 :       _mm512_stream_si512( (void*)(out_txnp->payload+ 576UL), _mm512_load_epi64( cur->txn->payload+ 576UL ) );
    2044        4224 :       _mm512_stream_si512( (void*)(out_txnp->payload+ 640UL), _mm512_load_epi64( cur->txn->payload+ 640UL ) );
    2045        4224 :       _mm512_stream_si512( (void*)(out_txnp->payload+ 704UL), _mm512_load_epi64( cur->txn->payload+ 704UL ) );
    2046        4224 :       _mm512_stream_si512( (void*)(out_txnp->payload+ 768UL), _mm512_load_epi64( cur->txn->payload+ 768UL ) );
    2047        4224 :       _mm512_stream_si512( (void*)(out_txnp->payload+ 832UL), _mm512_load_epi64( cur->txn->payload+ 832UL ) );
    2048        4224 :       _mm512_stream_si512( (void*)(out_txnp->payload+ 896UL), _mm512_load_epi64( cur->txn->payload+ 896UL ) );
    2049        4224 :       _mm512_stream_si512( (void*)(out_txnp->payload+ 960UL), _mm512_load_epi64( cur->txn->payload+ 960UL ) );
    2050        4224 :       _mm512_stream_si512( (void*)(out_txnp->payload+1024UL), _mm512_load_epi64( cur->txn->payload+1024UL ) );
    2051        4224 :       _mm512_stream_si512( (void*)(out_txnp->payload+1088UL), _mm512_load_epi64( cur->txn->payload+1088UL ) );
    2052        4224 :       _mm512_stream_si512( (void*)(out_txnp->payload+1152UL), _mm512_load_epi64( cur->txn->payload+1152UL ) );
    2053        4224 :       _mm512_stream_si512( (void*)(out_txnp->payload+1216UL), _mm512_load_epi64( cur->txn->payload+1216UL ) );
    2054             :       /* Copied out to 1280 bytes, which copies some other fields we needed to
    2055             :          copy anyway. */
    2056        4224 :       FD_STATIC_ASSERT( offsetof(fd_txn_p_t, payload_sz     )+sizeof(((fd_txn_p_t*)NULL)->payload_sz    )<=1280UL, nt_memcpy );
    2057        4224 :       FD_STATIC_ASSERT( offsetof(fd_txn_p_t, blockhash_slot )+sizeof(((fd_txn_p_t*)NULL)->blockhash_slot)<=1280UL, nt_memcpy );
    2058        4224 :       FD_STATIC_ASSERT( offsetof(fd_txn_p_t, scheduler_arrival_time_nanos )+sizeof(((fd_txn_p_t*)NULL)->scheduler_arrival_time_nanos )<=1280UL, nt_memcpy );
    2059        4224 :       FD_STATIC_ASSERT( offsetof(fd_txn_p_t, source_tpu     )+sizeof(((fd_txn_p_t*)NULL)->source_tpu    )<=1280UL, nt_memcpy );
    2060        4224 :       FD_STATIC_ASSERT( offsetof(fd_txn_p_t, source_ipv4    )+sizeof(((fd_txn_p_t*)NULL)->source_ipv4   )<=1280UL, nt_memcpy );
    2061        4224 :       FD_STATIC_ASSERT( offsetof(fd_txn_p_t, pack_alloc     )+sizeof(((fd_txn_p_t*)NULL)->pack_alloc    )<=1280UL, nt_memcpy );
    2062             : 
    2063        4224 :       FD_STATIC_ASSERT( offsetof(fd_txn_p_t, flags          )+sizeof(((fd_txn_p_t*)NULL)->flags         )<=1280UL, nt_memcpy );
    2064        4224 :       FD_STATIC_ASSERT( offsetof(fd_txn_p_t, _              )                                            <=1280UL, nt_memcpy );
    2065        4224 :       const ulong offset_into_txn = 1280UL - offsetof(fd_txn_p_t, _ );
    2066        4224 :       fd_memcpy( offset_into_txn+(uchar *)TXN(out_txnp), offset_into_txn+(uchar const *)txn,
    2067        4224 :           fd_ulong_max( offset_into_txn, fd_txn_footprint( txn->instr_cnt, txn->addr_table_lookup_cnt ) )-offset_into_txn );
    2068        4224 : #endif
    2069    13049871 :     } else {
    2070    13049871 :       fd_memcpy( out_txnp->payload, cur->txn->payload, cur->txn->payload_sz                                           );
    2071    13049871 :       fd_memcpy( TXN(out_txnp),     txn,               fd_txn_footprint( txn->instr_cnt, txn->addr_table_lookup_cnt ) );
    2072    13049871 :       out_txnp->payload_sz                      = cur->txn->payload_sz;
    2073    13049871 :       out_txnp->pack_cu.requested_exec_plus_acct_data_cus = cur->txn->pack_cu.requested_exec_plus_acct_data_cus;
    2074    13049871 :       out_txnp->pack_cu.non_execution_cus       = cur->txn->pack_cu.non_execution_cus;
    2075    13049871 :       out_txnp->pack_alloc                      = cur->txn->pack_alloc;
    2076    13049871 :       out_txnp->scheduler_arrival_time_nanos    = cur->txn->scheduler_arrival_time_nanos;
    2077    13049871 :       out_txnp->source_tpu                      = cur->txn->source_tpu;
    2078    13049871 :       out_txnp->source_ipv4                     = cur->txn->source_ipv4;
    2079    13049871 :       out_txnp->flags                           = cur->txn->flags;
    2080    13049871 :     }
    2081             :     /* Copy the ALT accounts from the source fd_txn_e_t */
    2082    13054095 :     ulong alt_acct_cnt = (ulong)txn->addr_table_adtl_cnt;
    2083     4351365 : #if FD_HAS_AVX512 && FD_PACK_USE_NON_TEMPORAL_MEMCPY
    2084             :     /* In order to use non-temporal copies, we have to copy a full cache
    2085             :        line (which fits two pubkeys) at a time.  If alt_acct_cnt is odd,
    2086             :        this copies one extra address, but it touches the same number of
    2087             :        cache lines, since both the source and destination are aligned
    2088             :        to 64 bytes. The max is even, so this can never read out of bounds. */
    2089     4351365 :     fd_acct_addr_t       * dst = out->alt_accts;
    2090     4351365 :     fd_acct_addr_t const * src = cur->txn_e->alt_accts;
    2091     4351365 :     for( ulong i=0UL; i<alt_acct_cnt; i+=2UL ) {
    2092           0 :       _mm512_stream_si512( (void*)(dst+i), _mm512_load_epi64( src+i ) );
    2093           0 :     }
    2094             : #else
    2095     8702730 :     fd_memcpy( out->alt_accts, cur->txn_e->alt_accts, alt_acct_cnt * sizeof(fd_acct_addr_t) );
    2096     8702730 : #endif
    2097    13054095 :     out++;
    2098             : 
    2099    13054095 :     for( fd_txn_acct_iter_t iter=fd_txn_acct_iter_init( txn, FD_TXN_ACCT_CAT_WRITABLE );
    2100    27246489 :         iter!=fd_txn_acct_iter_end(); iter=fd_txn_acct_iter_next( iter ) ) {
    2101    14192394 :       fd_acct_addr_t acct_addr = *ACCT_ITER_TO_PTR( iter );
    2102             : 
    2103    14192394 :       fd_pack_addr_use_t * in_wcost_table = acct_uses_query( writer_costs, acct_addr, NULL );
    2104    14192394 :       if( !in_wcost_table ) {
    2105      786864 :         in_wcost_table = acct_uses_insert( writer_costs, acct_addr );
    2106      786864 :         in_wcost_table->total_cost = 0UL;
    2107      786864 :         written_list[ written_list_cnt ] = in_wcost_table;
    2108      786864 :         written_list_cnt = fd_ulong_min( written_list_cnt+1UL, written_list_max-1UL );
    2109      786864 :       }
    2110    14192394 :       in_wcost_table->total_cost += cur->compute_est;
    2111             : 
    2112    14192394 :       fd_pack_addr_use_t * use = acct_uses_insert( acct_in_use, acct_addr );
    2113    14192394 :       use->in_use_by = bank_tile_mask | FD_PACK_IN_USE_WRITABLE;
    2114             : 
    2115    14192394 :       use_by_bank[use_by_bank_cnt++] = *use;
    2116             : 
    2117             :       /* If there aren't any more references to this account in the
    2118             :          heap, it can't cause any conflicts.  That means we actually
    2119             :          don't need to record that we are using it, which is good
    2120             :          because we want to release the bit. */
    2121    14192394 :       release_result_t ret = release_bit_reference( pack, &acct_addr );
    2122    14192394 :       FD_PACK_BITSET_CLEARN( bitset_rw_in_use, ret.clear_rw_bit );
    2123    14192394 :       FD_PACK_BITSET_CLEARN( bitset_w_in_use,  ret.clear_w_bit  );
    2124    14192394 :     }
    2125    13054095 :     for( fd_txn_acct_iter_t iter=fd_txn_acct_iter_init( txn, FD_TXN_ACCT_CAT_READONLY );
    2126    16529649 :         iter!=fd_txn_acct_iter_end(); iter=fd_txn_acct_iter_next( iter ) ) {
    2127             : 
    2128     3475554 :       fd_acct_addr_t acct_addr = *ACCT_ITER_TO_PTR( iter );
    2129             : 
    2130     3475554 :       if( fd_pack_unwritable_contains( &acct_addr ) ) continue; /* No need to track sysvars because they can't be writable */
    2131             : 
    2132     2576115 :       fd_pack_addr_use_t * use = acct_uses_query( acct_in_use,  acct_addr, NULL );
    2133     2576115 :       if( !use ) { use = acct_uses_insert( acct_in_use, acct_addr ); use->in_use_by = 0UL; }
    2134             : 
    2135     2576115 :       if( !(use->in_use_by & bank_tile_mask) ) use_by_bank[use_by_bank_cnt++] = *use;
    2136     2576115 :       use->in_use_by |= bank_tile_mask;
    2137     2576115 :       use->in_use_by &= ~FD_PACK_IN_USE_BIT_CLEARED;
    2138             : 
    2139             : 
    2140     2576115 :       release_result_t ret = release_bit_reference( pack, &acct_addr );
    2141     2576115 :       FD_PACK_BITSET_CLEARN( bitset_rw_in_use, ret.clear_rw_bit );
    2142     2576115 :       FD_PACK_BITSET_CLEARN( bitset_w_in_use,  ret.clear_w_bit  );
    2143     2576115 :     }
    2144             : 
    2145    13054095 :     txns_scheduled  += 1UL;                      txn_limit       -= 1UL;
    2146    13054095 :     cus_scheduled   += cur->compute_est;         cu_limit        -= cur->compute_est;
    2147    13054095 :     bytes_scheduled += cur->txn->payload_sz;     byte_limit      -= cur->txn->payload_sz;
    2148    13054095 :     alloc_scheduled += cur->txn->pack_alloc;     alloc_limit     -= cur->txn->pack_alloc;
    2149             : 
    2150    13054095 :     *(use_by_bank_txn++) = use_by_bank_cnt;
    2151             : 
    2152    13054095 :     if( FD_UNLIKELY( cur->txn->flags & FD_TXN_P_FLAGS_DURABLE_NONCE ) ) noncemap_ele_remove_fast( pack->noncemap, cur, pack->pool );
    2153    13054095 :     sig2txn_ele_remove_fast( pack->signature_map, cur, pool );
    2154             : 
    2155    13054095 :     cur->root = FD_ORD_TXN_ROOT_FREE;
    2156    13054095 :     expq_remove( pack->expiration_q, cur->expq_idx );
    2157    13054095 :     treap_idx_remove( sched_from, _cur, pool );
    2158    13054095 :     trp_pool_idx_release( pool, _cur );
    2159    13054095 :     pack->pending_txn_cnt--;
    2160             : 
    2161    13054095 :     if( FD_UNLIKELY( (cu_limit<smallest_in_treap->cus) | (txn_limit==0UL) | (byte_limit<smallest_in_treap->bytes) ) ) break;
    2162    13054095 :   }
    2163             : 
    2164     1532529 :   pack->sched_results[ FD_METRICS_ENUM_PACK_TXN_SCHEDULE_V_TAKEN_IDX       ] += txns_scheduled;
    2165     1532529 :   pack->sched_results[ FD_METRICS_ENUM_PACK_TXN_SCHEDULE_V_CU_LIMIT_IDX    ] += cu_limit_c;
    2166     1532529 :   pack->sched_results[ FD_METRICS_ENUM_PACK_TXN_SCHEDULE_V_FAST_PATH_IDX   ] += fast_path;
    2167     1532529 :   pack->sched_results[ FD_METRICS_ENUM_PACK_TXN_SCHEDULE_V_BYTE_LIMIT_IDX  ] += byte_limit_c;
    2168     1532529 :   pack->sched_results[ FD_METRICS_ENUM_PACK_TXN_SCHEDULE_V_ALLOC_LIMIT_IDX ] += alloc_limit_c;
    2169     1532529 :   pack->sched_results[ FD_METRICS_ENUM_PACK_TXN_SCHEDULE_V_WRITE_COST_IDX  ] += write_limit_c;
    2170     1532529 :   pack->sched_results[ FD_METRICS_ENUM_PACK_TXN_SCHEDULE_V_SLOW_PATH_IDX   ] += slow_path;
    2171     1532529 :   pack->sched_results[ FD_METRICS_ENUM_PACK_TXN_SCHEDULE_V_DEFER_SKIP_IDX  ] += skip_c;
    2172             : 
    2173             :   /* If we scanned the whole treap and didn't break early, we now have a
    2174             :      better estimate of the smallest. */
    2175     1532529 :   if( FD_UNLIKELY( treap_rev_iter_done( prev ) ) ) {
    2176       88416 :     smallest_in_treap->cus   = min_cus;
    2177       88416 :     smallest_in_treap->bytes = min_bytes;
    2178       88416 :   }
    2179             : 
    2180     1532529 :   pack->use_by_bank_cnt[bank_tile] = use_by_bank_cnt;
    2181     1532529 :   FD_PACK_BITSET_COPY( pack->bitset_rw_in_use, bitset_rw_in_use );
    2182     1532529 :   FD_PACK_BITSET_COPY( pack->bitset_w_in_use,  bitset_w_in_use  );
    2183             : 
    2184     1532529 :   pack->written_list_cnt = written_list_cnt;
    2185             : 
    2186     1532529 :   sched_return_t to_return = { .cus_scheduled=cus_scheduled,     .txns_scheduled=txns_scheduled,
    2187     1532529 :                                .bytes_scheduled=bytes_scheduled, .alloc_scheduled=alloc_scheduled };
    2188     1532529 :   return to_return;
    2189     3187689 : }
    2190             : 
    2191             : int
    2192             : fd_pack_microblock_complete( fd_pack_t * pack,
    2193     1593897 :                              ulong       bank_tile ) {
    2194             :   /* If the account is in use writably, and it's in use by this banking
    2195             :      tile, then this banking tile must be the sole writer to it, so it's
    2196             :      always okay to clear the writable bit. */
    2197     1593897 :   ulong clear_mask = ~((1UL<<bank_tile) | FD_PACK_IN_USE_WRITABLE);
    2198             : 
    2199             :   /* If nothing outstanding, bail quickly */
    2200     1593897 :   if( FD_UNLIKELY( !(pack->outstanding_microblock_mask & (1UL<<bank_tile)) ) ) return 0;
    2201             : 
    2202     1526556 :   FD_PACK_BITSET_DECLARE( bitset_rw_in_use );
    2203     1526556 :   FD_PACK_BITSET_DECLARE( bitset_w_in_use  );
    2204     1526556 :   FD_PACK_BITSET_COPY( bitset_rw_in_use, pack->bitset_rw_in_use );
    2205     1526556 :   FD_PACK_BITSET_COPY( bitset_w_in_use,  pack->bitset_w_in_use  );
    2206             : 
    2207     1526556 :   fd_pack_addr_use_t * base = pack->use_by_bank[bank_tile];
    2208             : 
    2209     1526556 :   fd_pack_ord_txn_t       * best         = NULL;
    2210     1526556 :   fd_pack_penalty_treap_t * best_penalty = NULL;
    2211     1526556 :   ulong                     txn_cnt      = 0UL;
    2212             : 
    2213    17706351 :   for( ulong i=0UL; i<pack->use_by_bank_cnt[bank_tile]; i++ ) {
    2214    16179795 :     fd_pack_addr_use_t * use = acct_uses_query( pack->acct_in_use, base[i].key, NULL );
    2215    16179795 :     FD_TEST( use );
    2216    16179795 :     use->in_use_by &= clear_mask;
    2217             : 
    2218             :     /* In order to properly bound the size of bitset_map, we need to
    2219             :        release the "reference" to the account when we schedule it.
    2220             :        However, that poses a bit of a problem here, because by the time
    2221             :        we complete the microblock, that account could have been assigned
    2222             :        a different bit in the bitset.  The scheduling step tells us if
    2223             :        that is the case, and if so, we know that the bits in
    2224             :        bitset_w_in_use and bitset_rw_in_use were already cleared as
    2225             :        necessary.
    2226             : 
    2227             :        Note that it's possible for BIT_CLEARED to be set and then unset
    2228             :        by later uses, but then the account would be in use on other
    2229             :        banks, so we wouldn't try to observe the old value.  For example:
    2230             :        Suppose bit 0->account A, bit 1->account B, and we have two
    2231             :        transactions that read A, B.  We schedule a microblock to bank 0,
    2232             :        taking both transactions, which sets the counts for A, B to 0,
    2233             :        and releases the bits, clearing bits 0 and 1, and setting
    2234             :        BIT_CLEARED.  Then we get two more transactions that read
    2235             :        accounts C, D, A, B, and they get assigned 0->C, 1->D, 2->A,
    2236             :        3->B.  We try to schedule a microblock to bank 1 that takes one
    2237             :        of those transactions.  This unsets BIT_CLEARED for A, B.
    2238             :        Finally, the first microblock completes.  Even though the bitset
    2239             :        map has the new bits for A and B which are "wrong" compared to
    2240             :        when the transaction was initially scheduled, those bits have
    2241             :        already been cleared and reset properly in the bitset as needed.
    2242             :        A and B will still be in use by bank 1, so we won't clear any
    2243             :        bits.  If, on the other hand, the microblock scheduled to bank 1
    2244             :        completes first, bits 0 and 1 will be cleared for accounts C and
    2245             :        D, while bits 2 and 3 will remain set, which is correct.  Then
    2246             :        when bank 0 completes, bits 2 and 3 will be cleared. */
    2247    16179795 :     if( FD_LIKELY( !use->in_use_by ) ) { /* if in_use_by==0, doesn't include BIT_CLEARED */
    2248     3442176 :       fd_pack_bitset_acct_mapping_t * q = bitset_map_query( pack->acct_to_bitset, base[i].key, NULL );
    2249     3442176 :       FD_TEST( q );
    2250     3442176 :       FD_PACK_BITSET_CLEARN( bitset_w_in_use,  q->bit );
    2251     3442176 :       FD_PACK_BITSET_CLEARN( bitset_rw_in_use, q->bit );
    2252             : 
    2253             :       /* Because this account is no longer in use, it might be possible
    2254             :          to schedule a transaction that writes to it.  Check its
    2255             :          penalty treap if it has one, and potentially move it to the
    2256             :          main treap. */
    2257     3442176 :       fd_pack_penalty_treap_t * p_trp = penalty_map_query( pack->penalty_treaps, base[i].key, NULL );
    2258     3442176 :       if( FD_UNLIKELY( p_trp ) ) {
    2259      753897 :         fd_pack_ord_txn_t * best_in_trp = treap_rev_iter_ele( treap_rev_iter_init( p_trp->penalty_treap, pack->pool ), pack->pool );
    2260      753897 :         if( FD_UNLIKELY( !best || COMPARE_WORSE( best, best_in_trp ) ) ) {
    2261      301626 :           best         = best_in_trp;
    2262      301626 :           best_penalty = p_trp;
    2263      301626 :         }
    2264      753897 :       }
    2265     3442176 :     }
    2266             : 
    2267    16179795 :     if( FD_LIKELY( !(use->in_use_by & ~FD_PACK_IN_USE_BIT_CLEARED) ) ) acct_uses_remove( pack->acct_in_use, use );
    2268             : 
    2269    16179795 :     if( FD_UNLIKELY( i+1UL==pack->use_by_bank_txn[ bank_tile ][ txn_cnt ] ) ) {
    2270    13050312 :       txn_cnt++;
    2271    13050312 :       if( FD_LIKELY( best ) ) {
    2272             :         /* move best to the main treap */
    2273      301626 :         treap_ele_remove( best_penalty->penalty_treap, best, pack->pool );
    2274      301626 :         best->root = FD_ORD_TXN_ROOT_PENDING;
    2275      301626 :         treap_ele_insert( pack->pending,               best, pack->pool );
    2276             : 
    2277      301626 :         pack->pending_smallest->cus   = fd_ulong_min( pack->pending_smallest->cus,   best->compute_est             );
    2278      301626 :         pack->pending_smallest->bytes = fd_ulong_min( pack->pending_smallest->bytes, best->txn_e->txnp->payload_sz );
    2279             : 
    2280      301626 :         if( FD_UNLIKELY( !treap_ele_cnt( best_penalty->penalty_treap ) ) ) {
    2281        2892 :           treap_delete( treap_leave( best_penalty->penalty_treap ) );
    2282             :           /* Removal invalidates any pointers we got from
    2283             :              penalty_map_query, but we immediately set these to NULL, so
    2284             :              we're not keeping any pointers around. */
    2285        2892 :           penalty_map_remove( pack->penalty_treaps, best_penalty );
    2286        2892 :         }
    2287      301626 :         best         = NULL;
    2288      301626 :         best_penalty = NULL;
    2289      301626 :       }
    2290    13050312 :     }
    2291    16179795 :   }
    2292             : 
    2293     1526556 :   pack->use_by_bank_cnt[bank_tile] = 0UL;
    2294             : 
    2295     1526556 :   FD_PACK_BITSET_COPY( pack->bitset_rw_in_use, bitset_rw_in_use );
    2296     1526556 :   FD_PACK_BITSET_COPY( pack->bitset_w_in_use,  bitset_w_in_use  );
    2297             : 
    2298             :   /* outstanding_microblock_mask never has the writable bit set, so we
    2299             :      don't care about clearing it here either. */
    2300     1526556 :   pack->outstanding_microblock_mask &= clear_mask;
    2301     1526556 :   return 1;
    2302     1526556 : }
    2303             : 
    2304     1593738 : #define TRY_BUNDLE_NO_READY_BUNDLES      0
    2305           6 : #define TRY_BUNDLE_HAS_CONFLICTS       (-1)
    2306           6 : #define TRY_BUNDLE_DOES_NOT_FIT        (-2)
    2307           6 : #define TRY_BUNDLE_SUCCESS(n)          ( n) /* schedule bundle with n transactions */
    2308             : static inline int
    2309             : fd_pack_try_schedule_bundle( fd_pack_t  * pack,
    2310             :                              ulong        bank_tile,
    2311     1593744 :                              fd_txn_e_t * out ) {
    2312     1593744 :   int state = pack->initializer_bundle_state;
    2313     1593744 :   if( FD_UNLIKELY( (state==FD_PACK_IB_STATE_PENDING) | (state==FD_PACK_IB_STATE_FAILED ) ) ) return TRY_BUNDLE_NO_READY_BUNDLES;
    2314             : 
    2315     1593744 :   fd_pack_ord_txn_t * pool    = pack->pool;
    2316     1593744 :   treap_t           * bundles = pack->pending_bundles;
    2317             : 
    2318     1593744 :   int require_ib;
    2319     1593744 :   if( FD_UNLIKELY( state==FD_PACK_IB_STATE_NOT_INITIALIZED ) ) { require_ib = 1; }
    2320     1593744 :   if( FD_LIKELY  ( state==FD_PACK_IB_STATE_READY           ) ) { require_ib = 0; }
    2321             : 
    2322     1593744 :   treap_rev_iter_t _cur  = treap_rev_iter_init( bundles, pool );
    2323     1593744 :   ulong bundle_idx = ULONG_MAX;
    2324             : 
    2325             :   /* Skip any that we've marked as won't fit in this block */
    2326     1593744 :   while( FD_UNLIKELY( !treap_rev_iter_done( _cur ) && treap_rev_iter_ele( _cur, pool )->skip==pack->compressed_slot_number ) ) {
    2327           0 :     _cur = treap_rev_iter_next( _cur, pool );
    2328           0 :     pack->sched_results[ FD_METRICS_ENUM_PACK_TXN_SCHEDULE_V_DEFER_SKIP_IDX ]++;
    2329           0 :   }
    2330             : 
    2331     1593744 :   if( FD_UNLIKELY( treap_rev_iter_done( _cur ) ) ) return TRY_BUNDLE_NO_READY_BUNDLES;
    2332             : 
    2333           6 :   treap_rev_iter_t   _txn0 = _cur;
    2334           6 :   fd_pack_ord_txn_t * txn0 = treap_rev_iter_ele( _txn0, pool );
    2335           6 :   int is_ib = !!(txn0->txn->flags & FD_TXN_P_FLAGS_INITIALIZER_BUNDLE);
    2336           6 :   bundle_idx = RC_TO_REL_BUNDLE_IDX( txn0->rewards, txn0->compute_est );
    2337             : 
    2338           6 :   if( FD_UNLIKELY( require_ib & !is_ib ) ) return TRY_BUNDLE_NO_READY_BUNDLES;
    2339             : 
    2340             :   /* At this point, we have our candidate bundle, so we'll schedule it
    2341             :      if we can.  If we can't, we won't schedule anything. */
    2342             : 
    2343             : 
    2344           6 :   fd_pack_addr_use_t * bundle_temp_inserted[ FD_PACK_MAX_TXN_PER_BUNDLE * FD_TXN_ACCT_ADDR_MAX ];
    2345           6 :   ulong bundle_temp_inserted_cnt = 0UL;
    2346             : 
    2347           6 :   ulong bank_tile_mask = 1UL << bank_tile;
    2348             : 
    2349           6 :   int doesnt_fit   = 0;
    2350           6 :   int has_conflict = 0;
    2351           6 :   ulong txn_cnt = 0UL;
    2352             : 
    2353           6 :   ulong cu_limit         = pack->lim->max_cost_per_block           - pack->cumulative_block_cost;
    2354           6 :   ulong byte_limit       = pack->lim->max_data_bytes_per_block     - pack->data_bytes_consumed;
    2355           6 :   ulong microblock_limit = pack->lim->max_microblocks_per_block    - pack->microblock_cnt;
    2356           6 :   ulong alloc_limit      = pack->lim->max_allocated_data_per_block - pack->alloc_consumed;
    2357             : 
    2358           6 :   FD_PACK_BITSET_DECLARE( bitset_rw_in_use );
    2359           6 :   FD_PACK_BITSET_DECLARE( bitset_w_in_use  );
    2360           6 :   FD_PACK_BITSET_COPY( bitset_rw_in_use, pack->bitset_rw_in_use );
    2361           6 :   FD_PACK_BITSET_COPY( bitset_w_in_use,  pack->bitset_w_in_use  );
    2362             : 
    2363             :   /* last_use_in_txn_cnt[i+1] Keeps track of the number of accounts that
    2364             :      have their last reference in transaction i of the bundle.  This
    2365             :      esoteric value is important for computing use_by_bank_txn.
    2366             :      last_use_in_txn_cnt[0] is garbage. */
    2367           6 :   ulong last_use_in_txn_cnt[ 1UL+FD_PACK_MAX_TXN_PER_BUNDLE ] = { 0UL };
    2368             : 
    2369           6 :   fd_pack_addr_use_t   null_use[1]    = {{{{ 0 }}, { 0 }}};
    2370             : 
    2371          24 :   while( !(doesnt_fit | has_conflict) & !treap_rev_iter_done( _cur ) ) {
    2372          18 :     fd_pack_ord_txn_t * cur = treap_rev_iter_ele( _cur, pool );
    2373          18 :     ulong this_bundle_idx = RC_TO_REL_BUNDLE_IDX( cur->rewards, cur->compute_est );
    2374          18 :     if( FD_UNLIKELY( this_bundle_idx!=bundle_idx ) ) break;
    2375             : 
    2376          18 :     if( FD_UNLIKELY( cur->compute_est>cu_limit ) ) {
    2377           0 :       doesnt_fit = 1;
    2378           0 :       pack->sched_results[ FD_METRICS_ENUM_PACK_TXN_SCHEDULE_V_CU_LIMIT_IDX ]++;
    2379           0 :       break;
    2380           0 :     }
    2381          18 :     cu_limit -= cur->compute_est;
    2382             : 
    2383             :     /* Each transaction in a bundle turns into a microblock */
    2384          18 :     if( FD_UNLIKELY( microblock_limit==0UL ) ) {
    2385           0 :       doesnt_fit = 1;
    2386           0 :       FD_MCNT_INC( PACK, MICROBLOCK_PER_BLOCK_LIMIT_REACHED, 1UL );
    2387           0 :       break;
    2388           0 :     }
    2389          18 :     microblock_limit--;
    2390             : 
    2391          18 :     if( FD_UNLIKELY( cur->txn->payload_sz+MICROBLOCK_DATA_OVERHEAD>byte_limit ) ) {
    2392           0 :       doesnt_fit = 1;
    2393           0 :       pack->sched_results[ FD_METRICS_ENUM_PACK_TXN_SCHEDULE_V_BYTE_LIMIT_IDX ]++;
    2394           0 :       break;
    2395           0 :     }
    2396          18 :     byte_limit -= cur->txn->payload_sz + MICROBLOCK_DATA_OVERHEAD;
    2397             : 
    2398          18 :     if( FD_UNLIKELY( cur->txn->pack_alloc>alloc_limit ) ) {
    2399           0 :       doesnt_fit = 1;
    2400           0 :       pack->sched_results[ FD_METRICS_ENUM_PACK_TXN_SCHEDULE_V_ALLOC_LIMIT_IDX ]++;
    2401           0 :       break;
    2402           0 :     }
    2403          18 :     alloc_limit -= cur->txn->pack_alloc;
    2404             : 
    2405          18 :     if( FD_UNLIKELY( !FD_PACK_BITSET_INTERSECT4_EMPTY( pack->bitset_rw_in_use, pack->bitset_w_in_use, cur->w_bitset, cur->rw_bitset ) ) ) {
    2406           0 :       has_conflict = 1;
    2407           0 :       pack->sched_results[ FD_METRICS_ENUM_PACK_TXN_SCHEDULE_V_FAST_PATH_IDX ]++;
    2408           0 :       break;
    2409           0 :     }
    2410             : 
    2411             :     /* Don't update the actual in-use bitset, because the transactions
    2412             :        in the bundle are allowed to conflict with each other. */
    2413          18 :     FD_PACK_BITSET_OR( bitset_rw_in_use, cur->rw_bitset );
    2414          18 :     FD_PACK_BITSET_OR( bitset_w_in_use,  cur->w_bitset  );
    2415             : 
    2416             : 
    2417          18 :     fd_txn_t const * txn = TXN(cur->txn);
    2418          18 :     fd_acct_addr_t const * accts   = fd_txn_get_acct_addrs( txn, cur->txn->payload );
    2419          18 :     fd_acct_addr_t const * alt_adj = cur->txn_e->alt_accts - fd_txn_account_cnt( txn, FD_TXN_ACCT_CAT_IMM );
    2420             : 
    2421             :     /* Check conflicts between this transaction's writable accounts and
    2422             :        current readers */
    2423          18 :     for( fd_txn_acct_iter_t iter=fd_txn_acct_iter_init( txn, FD_TXN_ACCT_CAT_WRITABLE );
    2424         108 :         iter!=fd_txn_acct_iter_end(); iter=fd_txn_acct_iter_next( iter ) ) {
    2425             : 
    2426          90 :       fd_acct_addr_t acct = *ACCT_ITER_TO_PTR( iter );
    2427             : 
    2428          90 :       fd_pack_addr_use_t * in_bundle_temp = acct_uses_query( pack->bundle_temp_map, acct, null_use );
    2429          90 :       ulong current_cost                  = acct_uses_query( pack->writer_costs,    acct, null_use )->total_cost;
    2430          90 :       ulong carried_cost                  = (ulong)in_bundle_temp->carried_cost;
    2431          90 :       if( FD_UNLIKELY( current_cost + carried_cost + cur->compute_est > pack->lim->max_write_cost_per_acct ) ) {
    2432           0 :         doesnt_fit = 1;
    2433           0 :         pack->sched_results[ FD_METRICS_ENUM_PACK_TXN_SCHEDULE_V_WRITE_COST_IDX ]++;
    2434           0 :         break;
    2435           0 :       }
    2436             : 
    2437          90 :       if( FD_LIKELY( in_bundle_temp==null_use ) ) { /* Not in temp bundle table yet */
    2438          30 :         in_bundle_temp    = acct_uses_insert( pack->bundle_temp_map, acct );
    2439          30 :         in_bundle_temp->_ = 0UL;
    2440          30 :         bundle_temp_inserted[ bundle_temp_inserted_cnt++ ] = in_bundle_temp;
    2441          30 :       }
    2442          90 :       in_bundle_temp->carried_cost += (uint)cur->compute_est; /* < 2^21, but >0 */
    2443          90 :       in_bundle_temp->ref_cnt++;
    2444          90 :       last_use_in_txn_cnt[ in_bundle_temp->last_use_in ]--;
    2445          90 :       in_bundle_temp->last_use_in = (ushort)(txn_cnt+1UL);
    2446          90 :       last_use_in_txn_cnt[ in_bundle_temp->last_use_in ]++;
    2447             : 
    2448          90 :       if( FD_UNLIKELY( acct_uses_query( pack->acct_in_use, acct, null_use )->in_use_by ) ) {
    2449           0 :         has_conflict = 1;
    2450           0 :         pack->sched_results[ FD_METRICS_ENUM_PACK_TXN_SCHEDULE_V_SLOW_PATH_IDX ]++;
    2451           0 :         break;
    2452           0 :       }
    2453          90 :     }
    2454          18 :     if( has_conflict | doesnt_fit ) break;
    2455             : 
    2456             :     /* Check conflicts between this transaction's readonly accounts and
    2457             :        current writers */
    2458          18 :     for( fd_txn_acct_iter_t iter=fd_txn_acct_iter_init( txn, FD_TXN_ACCT_CAT_READONLY );
    2459         126 :         iter!=fd_txn_acct_iter_end(); iter=fd_txn_acct_iter_next( iter ) ) {
    2460             : 
    2461         108 :       fd_acct_addr_t const * acct = ACCT_ITER_TO_PTR( iter );
    2462         108 :       if( fd_pack_unwritable_contains( acct ) ) continue; /* No need to track sysvars because they can't be writable */
    2463             : 
    2464          54 :       fd_pack_addr_use_t * in_bundle_temp = acct_uses_query( pack->bundle_temp_map, *acct, null_use );
    2465          54 :       if( FD_LIKELY( in_bundle_temp==null_use ) ) { /* Not in temp bundle table yet */
    2466          18 :         in_bundle_temp = acct_uses_insert( pack->bundle_temp_map, *acct );
    2467          18 :         in_bundle_temp->_ = 0UL;
    2468          18 :         bundle_temp_inserted[ bundle_temp_inserted_cnt++ ] = in_bundle_temp;
    2469          18 :       }
    2470          54 :       in_bundle_temp->ref_cnt++;
    2471          54 :       last_use_in_txn_cnt[ in_bundle_temp->last_use_in ]--;
    2472          54 :       in_bundle_temp->last_use_in = (ushort)(txn_cnt+1UL);
    2473          54 :       last_use_in_txn_cnt[ in_bundle_temp->last_use_in ]++;
    2474             : 
    2475          54 :       if( FD_UNLIKELY( acct_uses_query( pack->acct_in_use,  *acct, null_use )->in_use_by & FD_PACK_IN_USE_WRITABLE ) ) {
    2476           0 :         has_conflict = 1;
    2477           0 :         pack->sched_results[ FD_METRICS_ENUM_PACK_TXN_SCHEDULE_V_SLOW_PATH_IDX ]++;
    2478           0 :         break;
    2479           0 :       }
    2480          54 :     }
    2481             : 
    2482          18 :     if( has_conflict | doesnt_fit ) break;
    2483             : 
    2484          18 :     txn_cnt++;
    2485          18 :     _cur = treap_rev_iter_next( _cur, pool );
    2486          18 :   }
    2487           6 :   int retval = fd_int_if( doesnt_fit, TRY_BUNDLE_DOES_NOT_FIT,
    2488           6 :                                       fd_int_if( has_conflict, TRY_BUNDLE_HAS_CONFLICTS, TRY_BUNDLE_SUCCESS( (int)txn_cnt ) ) );
    2489             : 
    2490           6 :   if( FD_UNLIKELY( retval<=0 ) ) {
    2491           0 :     for( ulong i=0UL; i<bundle_temp_inserted_cnt; i++ ) {
    2492           0 :       acct_uses_remove( pack->bundle_temp_map, bundle_temp_inserted[ bundle_temp_inserted_cnt-i-1UL ] );
    2493           0 :     }
    2494           0 :     FD_TEST( acct_uses_key_cnt( pack->bundle_temp_map )==0UL );
    2495             : 
    2496           0 :     if( FD_UNLIKELY( retval==TRY_BUNDLE_DOES_NOT_FIT ) ) {
    2497             :       /* Decrement the skip count for the bundle we just tried. */
    2498             : 
    2499           0 :       for( _cur=_txn0; !treap_rev_iter_done( _cur ); _cur=treap_rev_iter_next( _cur, pool ) ) {
    2500           0 :         fd_pack_ord_txn_t * cur = treap_rev_iter_ele( _cur, pool );
    2501           0 :         ulong this_bundle_idx = RC_TO_REL_BUNDLE_IDX( cur->rewards, cur->compute_est );
    2502           0 :         if( FD_UNLIKELY( this_bundle_idx!=bundle_idx ) ) break;
    2503             : 
    2504             :         /* See fd_pack_schedule_impl for this line */
    2505           0 :         cur->skip = (ushort)(1+fd_ushort_min( (ushort)(pack->compressed_slot_number-1),
    2506           0 :               (ushort)(fd_ushort_min( cur->skip, FD_PACK_SKIP_CNT )-2) ) );
    2507           0 :       }
    2508           0 :     }
    2509           0 :     return retval;
    2510           0 :   }
    2511             : 
    2512             :   /* This bundle passed validation, so now we'll take it! */
    2513           6 :   pack->outstanding_microblock_mask |= bank_tile_mask;
    2514             : 
    2515           6 :   treap_rev_iter_t   _end  = _cur;
    2516           6 :   treap_rev_iter_t   _next;
    2517             : 
    2518             :   /* We'll carefully incrementally construct use_by_bank and
    2519             :      use_by_bank_txn based on the contents of bundle_temp and
    2520             :      last_use_in_txn_cnt. */
    2521           6 :   fd_pack_addr_use_t * use_by_bank     = pack->use_by_bank    [bank_tile];
    2522           6 :   ulong              * use_by_bank_txn = pack->use_by_bank_txn[bank_tile];
    2523           6 :   ulong cum_sum = 0UL;
    2524          24 :   for( ulong k=0UL; k<txn_cnt; k++ ) { use_by_bank_txn[k] = cum_sum; cum_sum += last_use_in_txn_cnt[ k+1UL ]; }
    2525           6 :   pack->use_by_bank_cnt[bank_tile] = cum_sum;
    2526             : 
    2527             : 
    2528          24 :   for( _cur=_txn0; _cur!=_end; _cur=_next ) {
    2529          18 :     _next = treap_rev_iter_next( _cur, pool );
    2530             : 
    2531          18 :     fd_pack_ord_txn_t * cur = treap_rev_iter_ele( _cur, pool );
    2532          18 :     fd_txn_t const    * txn = TXN(cur->txn);
    2533          18 :     fd_txn_p_t        * out_txnp = out->txnp;
    2534          18 :     fd_memcpy( out_txnp->payload, cur->txn->payload, cur->txn->payload_sz                                           );
    2535          18 :     fd_memcpy( TXN(out_txnp),     txn,               fd_txn_footprint( txn->instr_cnt, txn->addr_table_lookup_cnt ) );
    2536          18 :     out_txnp->payload_sz                      = cur->txn->payload_sz;
    2537          18 :     out_txnp->pack_cu.requested_exec_plus_acct_data_cus = cur->txn->pack_cu.requested_exec_plus_acct_data_cus;
    2538          18 :     out_txnp->pack_cu.non_execution_cus       = cur->txn->pack_cu.non_execution_cus;
    2539          18 :     out_txnp->pack_alloc                      = cur->txn->pack_alloc;
    2540          18 :     out_txnp->scheduler_arrival_time_nanos    = cur->txn->scheduler_arrival_time_nanos;
    2541          18 :     out_txnp->source_tpu                      = cur->txn->source_tpu;
    2542          18 :     out_txnp->source_ipv4                     = cur->txn->source_ipv4;
    2543          18 :     out_txnp->flags                           = cur->txn->flags;
    2544             :     /* Copy the ALT accounts from the source fd_txn_e_t */
    2545          18 :     ulong alt_acct_cnt = (ulong)txn->addr_table_adtl_cnt;
    2546          18 :     fd_memcpy( out->alt_accts, cur->txn_e->alt_accts, alt_acct_cnt * sizeof(fd_acct_addr_t) );
    2547          18 :     out++;
    2548             : 
    2549          18 :     pack->cumulative_block_cost += cur->compute_est;
    2550          18 :     pack->data_bytes_consumed   += cur->txn->payload_sz + MICROBLOCK_DATA_OVERHEAD;
    2551          18 :     pack->alloc_consumed        += cur->txn->pack_alloc;
    2552          18 :     pack->microblock_cnt        += 1UL;
    2553             : 
    2554          18 :     if( FD_UNLIKELY( cur->txn->flags & FD_TXN_P_FLAGS_DURABLE_NONCE ) ) noncemap_ele_remove_fast( pack->noncemap, cur, pack->pool );
    2555          18 :     sig2txn_ele_remove_fast( pack->signature_map, cur, pack->pool );
    2556             : 
    2557          18 :     cur->root = FD_ORD_TXN_ROOT_FREE;
    2558          18 :     expq_remove( pack->expiration_q, cur->expq_idx );
    2559          18 :     treap_idx_remove( pack->pending_bundles, _cur, pack->pool );
    2560          18 :     trp_pool_idx_release( pack->pool, _cur );
    2561          18 :     pack->pending_txn_cnt--;
    2562          18 :   }
    2563             : 
    2564             : 
    2565          54 :   for( ulong i=0UL; i<bundle_temp_inserted_cnt; i++ ) {
    2566             :     /* In order to clear bundle_temp_map with the typical trick, we need
    2567             :        to iterate through bundle_temp_inserted backwards. */
    2568          48 :     fd_pack_addr_use_t * addr_use = bundle_temp_inserted[ bundle_temp_inserted_cnt-i-1UL ];
    2569             : 
    2570          48 :     int any_writers = addr_use->carried_cost>0U; /* Did any transaction in this bundle write lock this account address? */
    2571             : 
    2572          48 :     if( FD_LIKELY( any_writers ) ) { /* UNLIKELY? */
    2573          30 :       fd_pack_addr_use_t * in_wcost_table = acct_uses_query( pack->writer_costs, addr_use->key, NULL );
    2574          30 :       if( !in_wcost_table ) {
    2575          15 :         in_wcost_table = acct_uses_insert( pack->writer_costs, addr_use->key );
    2576          15 :         in_wcost_table->total_cost = 0UL;
    2577          15 :         pack->written_list[ pack->written_list_cnt ] = in_wcost_table;
    2578          15 :         pack->written_list_cnt = fd_ulong_min( pack->written_list_cnt+1UL, pack->written_list_max-1UL );
    2579          15 :       }
    2580          30 :       in_wcost_table->total_cost += (ulong)addr_use->carried_cost;
    2581          30 :     }
    2582             : 
    2583             :     /* in_use_by must be set before releasing the bit reference */
    2584          48 :     fd_pack_addr_use_t * use = acct_uses_query( pack->acct_in_use, addr_use->key, NULL );
    2585          48 :     if( !use ) { use = acct_uses_insert( pack->acct_in_use, addr_use->key ); use->in_use_by = 0UL; }
    2586          48 :     use->in_use_by |= bank_tile_mask | fd_ulong_if( any_writers, FD_PACK_IN_USE_WRITABLE, 0UL );
    2587          48 :     use->in_use_by &= ~FD_PACK_IN_USE_BIT_CLEARED;
    2588             : 
    2589          48 :     use_by_bank[ use_by_bank_txn[ addr_use->last_use_in-1UL ]++ ] = *use;
    2590             : 
    2591         192 :     for( ulong k=0UL; k<(ulong)addr_use->ref_cnt; k++ ) {
    2592         144 :       release_result_t ret = release_bit_reference( pack, &(addr_use->key) );
    2593         144 :       FD_PACK_BITSET_CLEARN( bitset_rw_in_use, ret.clear_rw_bit );
    2594         144 :       FD_PACK_BITSET_CLEARN( bitset_w_in_use,  ret.clear_w_bit  );
    2595         144 :     }
    2596             : 
    2597          48 :     acct_uses_remove( pack->bundle_temp_map, addr_use );
    2598          48 :   }
    2599             : 
    2600           6 :   FD_PACK_BITSET_COPY( pack->bitset_rw_in_use, bitset_rw_in_use );
    2601           6 :   FD_PACK_BITSET_COPY( pack->bitset_w_in_use,  bitset_w_in_use  );
    2602             : 
    2603           6 :   if( FD_UNLIKELY( is_ib ) ) {
    2604           0 :     pack->initializer_bundle_state = FD_PACK_IB_STATE_PENDING;
    2605           0 :   }
    2606           6 :   return retval;
    2607           6 : }
    2608             : 
    2609             : 
    2610             : ulong
    2611             : fd_pack_schedule_next_microblock( fd_pack_t *  pack,
    2612             :                                   ulong        total_cus,
    2613             :                                   float        vote_fraction,
    2614             :                                   ulong        bank_tile,
    2615             :                                   int          schedule_flags,
    2616     1593897 :                                   fd_txn_e_t * out ) {
    2617             : 
    2618             :   /* TODO: Decide if these are exactly how we want to handle limits */
    2619     1593897 :   total_cus = fd_ulong_min( total_cus, pack->lim->max_cost_per_block - pack->cumulative_block_cost );
    2620     1593897 :   ulong vote_cus = fd_ulong_min( (ulong)((float)total_cus * vote_fraction),
    2621     1593897 :                                  pack->lim->max_vote_cost_per_block - pack->cumulative_vote_cost );
    2622     1593897 :   ulong vote_reserved_txns = fd_ulong_min( vote_cus/FD_PACK_MAX_SIMPLE_VOTE_COST,
    2623     1593897 :                                            (ulong)((float)pack->lim->max_txn_per_microblock * vote_fraction) );
    2624             : 
    2625             : 
    2626     1593897 :   if( FD_UNLIKELY( (pack->microblock_cnt>=pack->lim->max_microblocks_per_block) ) ) {
    2627           0 :     FD_MCNT_INC( PACK, MICROBLOCK_PER_BLOCK_LIMIT_REACHED, 1UL );
    2628           0 :     return 0UL;
    2629           0 :   }
    2630     1593897 :   if( FD_UNLIKELY( pack->data_bytes_consumed+MICROBLOCK_DATA_OVERHEAD+FD_TXN_MIN_SERIALIZED_SZ>pack->lim->max_data_bytes_per_block) ) {
    2631           0 :     FD_MCNT_INC( PACK, DATA_PER_BLOCK_LIMIT_REACHED, 1UL );
    2632           0 :     return 0UL;
    2633           0 :   }
    2634             : 
    2635     1593897 :   ulong * use_by_bank_txn = pack->use_by_bank_txn[ bank_tile ];
    2636             : 
    2637     1593897 :   ulong cu_limit    = total_cus - vote_cus;
    2638     1593897 :   ulong txn_limit   = pack->lim->max_txn_per_microblock - vote_reserved_txns;
    2639     1593897 :   ulong scheduled   = 0UL;
    2640     1593897 :   ulong byte_limit  = pack->lim->max_data_bytes_per_block - pack->data_bytes_consumed - MICROBLOCK_DATA_OVERHEAD;
    2641     1593897 :   ulong alloc_limit = pack->lim->max_allocated_data_per_block - pack->alloc_consumed;
    2642             : 
    2643     1593897 :   sched_return_t status = {0}, status1 = {0};
    2644             : 
    2645     1593897 :   if( FD_LIKELY( schedule_flags & FD_PACK_SCHEDULE_VOTE ) ) {
    2646             :     /* Schedule vote transactions */
    2647     1593798 :     status1= fd_pack_schedule_impl( pack, pack->pending_votes, vote_cus, vote_reserved_txns, byte_limit, alloc_limit, bank_tile,
    2648     1593798 :         pack->pending_votes_smallest, use_by_bank_txn, out+scheduled );
    2649             : 
    2650     1593798 :     scheduled                   += status1.txns_scheduled;
    2651     1593798 :     pack->cumulative_vote_cost  += status1.cus_scheduled;
    2652     1593798 :     pack->cumulative_block_cost += status1.cus_scheduled;
    2653     1593798 :     pack->data_bytes_consumed   += status1.bytes_scheduled;
    2654     1593798 :     byte_limit                  -= status1.bytes_scheduled;
    2655     1593798 :     pack->alloc_consumed        += status1.alloc_scheduled;
    2656     1593798 :     alloc_limit                 -= status1.alloc_scheduled;
    2657     1593798 :     use_by_bank_txn             += status1.txns_scheduled;
    2658             :     /* Add any remaining CUs/txns to the non-vote limits */
    2659     1593798 :     txn_limit += vote_reserved_txns - status1.txns_scheduled;
    2660     1593798 :     cu_limit  += vote_cus - status1.cus_scheduled;
    2661     1593798 :   }
    2662             : 
    2663             :   /* Bundle can't mix with votes, so only try to schedule a bundle if we
    2664             :      didn't get any votes. */
    2665     1593897 :   if( FD_UNLIKELY( !!(schedule_flags & FD_PACK_SCHEDULE_BUNDLE) & (status1.txns_scheduled==0UL) ) ) {
    2666     1593744 :     int bundle_result = fd_pack_try_schedule_bundle( pack, bank_tile, out );
    2667     1593744 :     if( FD_UNLIKELY( bundle_result>0                         ) ) return (ulong)bundle_result;
    2668     1593738 :     if( FD_UNLIKELY( bundle_result==TRY_BUNDLE_HAS_CONFLICTS ) ) return 0UL;
    2669             :     /* in the NO_READY_BUNDLES or DOES_NOT_FIT case, we schedule like
    2670             :        normal. */
    2671             :     /* We have the early returns here because try_schedule_bundle does
    2672             :        the bookeeping internally, since the calculations are a bit
    2673             :        different in that case. */
    2674     1593738 :   }
    2675             : 
    2676             : 
    2677             :   /* Fill any remaining space with non-vote transactions */
    2678     1593891 :   if( FD_LIKELY( schedule_flags & FD_PACK_SCHEDULE_TXN ) ) {
    2679     1593891 :     status = fd_pack_schedule_impl( pack, pack->pending,       cu_limit, txn_limit,          byte_limit, alloc_limit, bank_tile,
    2680     1593891 :         pack->pending_smallest,       use_by_bank_txn, out+scheduled );
    2681             : 
    2682     1593891 :     scheduled                   += status.txns_scheduled;
    2683     1593891 :     pack->cumulative_block_cost += status.cus_scheduled;
    2684     1593891 :     pack->data_bytes_consumed   += status.bytes_scheduled;
    2685     1593891 :     pack->alloc_consumed        += status.alloc_scheduled;
    2686     1593891 :   }
    2687             : 
    2688     1593891 :   ulong nonempty = (ulong)(scheduled>0UL);
    2689     1593891 :   pack->microblock_cnt              += nonempty;
    2690     1593891 :   pack->outstanding_microblock_mask |= nonempty << bank_tile;
    2691     1593891 :   pack->data_bytes_consumed         += nonempty * MICROBLOCK_DATA_OVERHEAD;
    2692             : 
    2693             :   /* Update metrics counters */
    2694     1593891 :   fd_pack_metrics_write( pack );
    2695     1593891 :   FD_MGAUGE_SET( PACK, BLOCK_CU_CONSUMED, pack->cumulative_block_cost );
    2696             : 
    2697     1593891 :   fd_histf_sample( pack->txn_per_microblock,  scheduled              );
    2698     1593891 :   fd_histf_sample( pack->vote_per_microblock, status1.txns_scheduled );
    2699             : 
    2700      531297 : #if FD_HAS_AVX512 && FD_PACK_USE_NON_TEMPORAL_MEMCPY
    2701      531297 :   _mm_sfence();
    2702      531297 : #endif
    2703             : 
    2704     1593891 :   return scheduled;
    2705     1593897 : }
    2706             : 
    2707      274518 : ulong fd_pack_bank_tile_cnt     ( fd_pack_t const * pack ) { return pack->bank_tile_cnt;         }
    2708           0 : ulong fd_pack_current_block_cost( fd_pack_t const * pack ) { return pack->cumulative_block_cost; }
    2709             : 
    2710             : 
    2711             : void
    2712           0 : fd_pack_set_block_limits( fd_pack_t * pack, fd_pack_limits_t const * limits ) {
    2713           0 :   FD_TEST( limits->max_cost_per_block      >= FD_PACK_MAX_COST_PER_BLOCK_LOWER_BOUND      );
    2714           0 :   FD_TEST( limits->max_vote_cost_per_block >= FD_PACK_MAX_VOTE_COST_PER_BLOCK_LOWER_BOUND );
    2715           0 :   FD_TEST( limits->max_write_cost_per_acct >= FD_PACK_MAX_WRITE_COST_PER_ACCT_LOWER_BOUND );
    2716             : 
    2717           0 :   pack->lim->max_microblocks_per_block    = limits->max_microblocks_per_block;
    2718           0 :   pack->lim->max_data_bytes_per_block     = limits->max_data_bytes_per_block;
    2719           0 :   pack->lim->max_cost_per_block           = limits->max_cost_per_block;
    2720           0 :   pack->lim->max_vote_cost_per_block      = limits->max_vote_cost_per_block;
    2721           0 :   pack->lim->max_write_cost_per_acct      = limits->max_write_cost_per_acct;
    2722           0 :   pack->lim->max_allocated_data_per_block = limits->max_allocated_data_per_block;
    2723           0 : }
    2724             : 
    2725             : void
    2726           0 : fd_pack_get_block_limits( fd_pack_t * pack, fd_pack_limits_usage_t * opt_limits_usage, fd_pack_limits_t * opt_limits ) {
    2727           0 :   if( FD_LIKELY( opt_limits_usage ) ) {
    2728           0 :     opt_limits_usage->block_cost          = pack->cumulative_block_cost;
    2729           0 :     opt_limits_usage->vote_cost           = pack->cumulative_vote_cost;
    2730           0 :     opt_limits_usage->block_data_bytes    = pack->data_bytes_consumed;
    2731           0 :     opt_limits_usage->microblocks         = pack->microblock_cnt;
    2732           0 :     opt_limits_usage->alloc               = pack->alloc_consumed;
    2733           0 :   }
    2734           0 :   if( FD_LIKELY( opt_limits ) ) fd_memcpy( opt_limits, pack->lim, sizeof(fd_pack_limits_t) );
    2735           0 : }
    2736             : 
    2737             : void
    2738           0 : fd_pack_get_top_writers( fd_pack_t const * pack, fd_pack_addr_use_t top_writers[static FD_PACK_TOP_WRITERS_CNT] ) {
    2739           0 :   fd_memcpy( top_writers, pack->top_writers, sizeof(pack->top_writers) );
    2740           0 : }
    2741             : 
    2742             : void
    2743           0 : fd_pack_get_pending_smallest( fd_pack_t * pack, fd_pack_smallest_t * opt_pending_smallest, fd_pack_smallest_t * opt_votes_smallest ) {
    2744           0 :   if( FD_LIKELY( opt_pending_smallest ) ) fd_memcpy( opt_pending_smallest, pack->pending_smallest,       sizeof(fd_pack_smallest_t) );
    2745           0 :   if( FD_LIKELY( opt_votes_smallest ) )   fd_memcpy( opt_votes_smallest,   pack->pending_votes_smallest, sizeof(fd_pack_smallest_t) );
    2746           0 : }
    2747             : 
    2748             : void
    2749             : fd_pack_rebate_cus( fd_pack_t              * pack,
    2750           6 :                     fd_pack_rebate_t const * rebate ) {
    2751           6 :   if( FD_UNLIKELY( (rebate->ib_result!=0) & (pack->initializer_bundle_state==FD_PACK_IB_STATE_PENDING ) ) ) {
    2752           0 :     pack->initializer_bundle_state = fd_int_if( rebate->ib_result==1, FD_PACK_IB_STATE_READY, FD_PACK_IB_STATE_FAILED );
    2753           0 :   }
    2754             : 
    2755           6 :   pack->cumulative_block_cost  -= rebate->total_cost_rebate;
    2756           6 :   pack->cumulative_vote_cost   -= rebate->vote_cost_rebate;
    2757           6 :   pack->data_bytes_consumed    -= rebate->data_bytes_rebate;
    2758           6 :   pack->alloc_consumed         -= rebate->alloc_rebate;
    2759           6 :   pack->cumulative_rebated_cus += rebate->total_cost_rebate;
    2760             :   /* For now, we want to ignore the microblock count rebate.  There are
    2761             :      3 places the microblock count is kept (here, in the pack tile, and
    2762             :      in the PoH tile), and they all need to count microblocks that end
    2763             :      up being empty in the same way.  It would be better from a
    2764             :      DoS-resistance perspective for them all not to count empty
    2765             :      microblocks towards the total, but there's a race condition:
    2766             :      suppose pack schedules a microblock containing one transaction that
    2767             :      doesn't land on chain, the slot ends, and then pack informs PoH of
    2768             :      the number of microblocks before the final rebate comes through.
    2769             :      This isn't unsolvable, but it's pretty gross, so it's probably
    2770             :      better to just not apply the rebate for now. */
    2771           6 :   (void)rebate->microblock_cnt_rebate;
    2772             : 
    2773           6 :   fd_pack_addr_use_t * writer_costs = pack->writer_costs;
    2774          18 :   for( ulong i=0UL; i<rebate->writer_cnt; i++ ) {
    2775          12 :     fd_pack_addr_use_t * in_wcost_table = acct_uses_query( writer_costs, rebate->writer_rebates[i].key, NULL );
    2776          12 :     if( FD_UNLIKELY( !in_wcost_table ) ) FD_LOG_ERR(( "Rebate to unknown written account" ));
    2777          12 :     in_wcost_table->total_cost -= rebate->writer_rebates[i].rebate_cus;
    2778             :     /* Important: Even if this is 0, don't delete it from the table so
    2779             :        that the insert order doesn't get messed up. */
    2780          12 :   }
    2781           6 : }
    2782             : 
    2783             : 
    2784             : ulong
    2785             : fd_pack_expire_before( fd_pack_t * pack,
    2786          15 :                        ulong       expire_before ) {
    2787          15 :   expire_before = fd_ulong_max( expire_before, pack->expire_before );
    2788          15 :   ulong deleted_cnt = 0UL;
    2789          15 :   fd_pack_expq_t * prq = pack->expiration_q;
    2790         327 :   while( (expq_cnt( prq )>0UL) & (prq->expires_at<expire_before) ) {
    2791         312 :     fd_pack_ord_txn_t * expired = prq->txn;
    2792             : 
    2793             :     /* fd_pack_delete_transaction also removes it from the heap */
    2794             :     /* All the transactions in the same bundle have the same expiration
    2795             :        time, so this loop will end up deleting them all, even with
    2796             :        delete_full_bundle set to 0. */
    2797         312 :     ulong _delete_cnt = delete_transaction( pack, expired, 0, 1 );
    2798         312 :     deleted_cnt += _delete_cnt;
    2799         312 :     FD_TEST( _delete_cnt );
    2800         312 :   }
    2801             : 
    2802          15 :   pack->expire_before = expire_before;
    2803          15 :   return deleted_cnt;
    2804          15 : }
    2805             : 
    2806             : void
    2807        2646 : fd_pack_end_block( fd_pack_t * pack ) {
    2808             :   /* rounded division */
    2809        2646 :   ulong pct_cus_per_block = (pack->cumulative_block_cost*100UL + (pack->lim->max_cost_per_block>>1))/pack->lim->max_cost_per_block;
    2810        2646 :   fd_histf_sample( pack->pct_cus_per_block,       pct_cus_per_block                                          );
    2811        2646 :   fd_histf_sample( pack->net_cus_per_block,       pack->cumulative_block_cost                                );
    2812        2646 :   fd_histf_sample( pack->rebated_cus_per_block,   pack->cumulative_rebated_cus                               );
    2813        2646 :   fd_histf_sample( pack->scheduled_cus_per_block, pack->cumulative_rebated_cus + pack->cumulative_block_cost );
    2814             : 
    2815        2646 :   pack->microblock_cnt              = 0UL;
    2816        2646 :   pack->data_bytes_consumed         = 0UL;
    2817        2646 :   pack->cumulative_block_cost       = 0UL;
    2818        2646 :   pack->cumulative_vote_cost        = 0UL;
    2819        2646 :   pack->cumulative_rebated_cus      = 0UL;
    2820        2646 :   pack->outstanding_microblock_mask = 0UL;
    2821        2646 :   pack->alloc_consumed              = 0UL;
    2822             : 
    2823        2646 :   pack->initializer_bundle_state = FD_PACK_IB_STATE_NOT_INITIALIZED;
    2824             : 
    2825        2646 :   acct_uses_clear( pack->acct_in_use  );
    2826        2646 :   memset( pack->top_writers, 0, sizeof(pack->top_writers) );
    2827             : 
    2828        2646 :   if( FD_LIKELY( pack->written_list_cnt<pack->written_list_max-1UL ) ) {
    2829             :     /* The less dangerous way of doing this is to instead record the
    2830             :        keys we inserted and do a query followed by a delete for each
    2831             :        key.  The downside of that is that keys are 32 bytes and a
    2832             :        pointer is only 8 bytes, plus the computational cost for the
    2833             :        query.
    2834             : 
    2835             :        However, if we're careful, we can pull this off.  We require two
    2836             :        things.  First, we started from an empty map and did nothing but
    2837             :        insert and update.  In particular, no deletions.  Second, we have
    2838             :        to be careful to delete in the opposite order that we inserted.
    2839             :        This is essentially like unwinding the inserts we did.  The
    2840             :        common case is that the element after the one we delete will be
    2841             :        empty, so we'll hit that case.  It's possible that there's
    2842             :        another independent probe sequence that will be entirely intact
    2843             :        starting in the element after, but we'll never hit the MAP_MOVE
    2844             :        case. */
    2845      776451 :     for( ulong i=0UL; i<pack->written_list_cnt; i++ ) {
    2846      773805 :       fd_pack_addr_use_t * writer = pack->written_list[ pack->written_list_cnt - 1UL - i ];
    2847             :       /* build a small max heap with the top writer costs */
    2848      773805 :       if( FD_UNLIKELY( !fd_pack_unwritable_contains( &writer->key ) && !FD_PACK_TOP_WRITERS_SORT_BEFORE( pack->top_writers[ FD_PACK_TOP_WRITERS_CNT-1UL ], (*writer) ) ) ) {
    2849      773775 :           pack->top_writers[ FD_PACK_TOP_WRITERS_CNT-1UL ] = *writer;
    2850      773775 :           fd_pack_writer_cost_sort_insert( pack->top_writers, FD_PACK_TOP_WRITERS_CNT );
    2851      773775 :       }
    2852             : 
    2853             :       /* Clearing the cost field here is unnecessary (since it gets
    2854             :          cleared on insert), but makes debugging a bit easier. */
    2855      773805 :       writer->total_cost = 0UL;
    2856      773805 :       acct_uses_remove( pack->writer_costs, writer );
    2857      773805 :     }
    2858        2646 :   } else {
    2859           0 :     acct_uses_clear( pack->writer_costs );
    2860           0 :   }
    2861        2646 :   pack->written_list_cnt = 0UL;
    2862             : 
    2863             :   /* compressed_slot_number is > FD_PACK_SKIP_CNT, which means +1 is the
    2864             :      max unless it overflows. */
    2865        2646 :   pack->compressed_slot_number = fd_ushort_max( (ushort)(pack->compressed_slot_number+1), (ushort)(FD_PACK_SKIP_CNT+1) );
    2866             : 
    2867        2646 :   FD_PACK_BITSET_CLEAR( pack->bitset_rw_in_use );
    2868        2646 :   FD_PACK_BITSET_CLEAR( pack->bitset_w_in_use  );
    2869             : 
    2870        9234 :   for( ulong i=0UL; i<pack->bank_tile_cnt; i++ ) pack->use_by_bank_cnt[i] = 0UL;
    2871             : 
    2872             :   /* If our stake is low and we don't become leader often, end_block
    2873             :      might get called on the order of O(1/hr), which feels too
    2874             :      infrequent to do anything related to metrics.  However, we only
    2875             :      update the histograms when we are leader, so this is actually a
    2876             :      good place to copy them. */
    2877        2646 :   FD_MHIST_COPY( PACK, TXN_PER_MICROBLOCK,  pack->txn_per_microblock  );
    2878        2646 :   FD_MHIST_COPY( PACK, VOTE_PER_MICROBLOCK, pack->vote_per_microblock );
    2879             : 
    2880        2646 :   FD_MGAUGE_SET( PACK, BLOCK_CU_CONSUMED, 0UL                           );
    2881        2646 :   FD_MHIST_COPY( PACK, CU_SCHEDULED_PER_BLOCK, pack->scheduled_cus_per_block );
    2882        2646 :   FD_MHIST_COPY( PACK, CU_REBATED_PER_BLOCK,   pack->rebated_cus_per_block   );
    2883        2646 :   FD_MHIST_COPY( PACK, CU_NET_PER_BLOCK,       pack->net_cus_per_block       );
    2884        2646 :   FD_MHIST_COPY( PACK, CU_PCT,                 pack->pct_cus_per_block       );
    2885        2646 : }
    2886             : 
    2887             : static void
    2888             : release_tree( treap_t           * treap,
    2889             :               sig2txn_t         * signature_map,
    2890             :               noncemap_t        * noncemap,
    2891           9 :               fd_pack_ord_txn_t * pool ) {
    2892           9 :   treap_fwd_iter_t next;
    2893          18 :   for( treap_fwd_iter_t it=treap_fwd_iter_init( treap, pool ); !treap_fwd_iter_done( it ); it=next ) {
    2894           9 :     next = treap_fwd_iter_next( it, pool );
    2895           9 :     ulong idx = treap_fwd_iter_idx( it );
    2896           9 :     pool[ idx ].root = FD_ORD_TXN_ROOT_FREE;
    2897           9 :     treap_idx_remove       ( treap,         idx, pool );
    2898           9 :     sig2txn_idx_remove_fast( signature_map, idx, pool );
    2899           9 :     trp_pool_idx_release   ( pool,          idx       );
    2900           9 :     if( pool[ idx ].txn->flags & FD_TXN_P_FLAGS_DURABLE_NONCE ) {
    2901           9 :       noncemap_idx_remove_fast( noncemap, idx, pool );
    2902           9 :     }
    2903           9 :   }
    2904           9 : }
    2905             : 
    2906             : void
    2907           3 : fd_pack_clear_all( fd_pack_t * pack ) {
    2908           3 :   pack->pending_txn_cnt        = 0UL;
    2909           3 :   pack->microblock_cnt         = 0UL;
    2910           3 :   pack->cumulative_block_cost  = 0UL;
    2911           3 :   pack->cumulative_vote_cost   = 0UL;
    2912           3 :   pack->cumulative_rebated_cus = 0UL;
    2913           3 :   pack->data_bytes_consumed    = 0UL;
    2914           3 :   pack->alloc_consumed         = 0UL;
    2915             : 
    2916           3 :   pack->pending_smallest->cus         = ULONG_MAX;
    2917           3 :   pack->pending_smallest->bytes       = ULONG_MAX;
    2918           3 :   pack->pending_votes_smallest->cus   = ULONG_MAX;
    2919           3 :   pack->pending_votes_smallest->bytes = ULONG_MAX;
    2920             : 
    2921           3 :   release_tree( pack->pending,         pack->signature_map, pack->noncemap, pack->pool );
    2922           3 :   release_tree( pack->pending_votes,   pack->signature_map, pack->noncemap, pack->pool );
    2923           3 :   release_tree( pack->pending_bundles, pack->signature_map, pack->noncemap, pack->pool );
    2924             : 
    2925           3 :   ulong const pool_max = trp_pool_max( pack->pool );
    2926         132 :   for( ulong i=0UL; i<pool_max; i++ ) {
    2927         129 :     if( FD_UNLIKELY( pack->pool[ i ].root!=FD_ORD_TXN_ROOT_FREE ) ) {
    2928           0 :       fd_pack_ord_txn_t * const del = pack->pool + i;
    2929           0 :       fd_txn_t * txn = TXN( del->txn );
    2930           0 :       fd_acct_addr_t const * accts   = fd_txn_get_acct_addrs( txn, del->txn->payload );
    2931           0 :       fd_acct_addr_t const * alt_adj = del->txn_e->alt_accts - fd_txn_account_cnt( txn, FD_TXN_ACCT_CAT_IMM );
    2932           0 :       fd_acct_addr_t penalty_acct = *ACCT_IDX_TO_PTR( FD_ORD_TXN_ROOT_PENALTY_ACCT_IDX( del->root ) );
    2933           0 :       fd_pack_penalty_treap_t * penalty_treap = penalty_map_query( pack->penalty_treaps, penalty_acct, NULL );
    2934           0 :       FD_TEST( penalty_treap );
    2935           0 :       release_tree( penalty_treap->penalty_treap, pack->signature_map, pack->noncemap, pack->pool );
    2936           0 :     }
    2937         129 :   }
    2938             : 
    2939           3 :   pack->compressed_slot_number = (ushort)(FD_PACK_SKIP_CNT+1);
    2940             : 
    2941           3 :   expq_remove_all( pack->expiration_q );
    2942             : 
    2943           3 :   acct_uses_clear( pack->acct_in_use  );
    2944           3 :   acct_uses_clear( pack->writer_costs );
    2945             : 
    2946           3 :   penalty_map_clear( pack->penalty_treaps );
    2947             : 
    2948           3 :   FD_PACK_BITSET_CLEAR( pack->bitset_rw_in_use );
    2949           3 :   FD_PACK_BITSET_CLEAR( pack->bitset_w_in_use  );
    2950           3 :   bitset_map_clear( pack->acct_to_bitset );
    2951           3 :   pack->bitset_avail[ 0 ] = FD_PACK_BITSET_SLOWPATH;
    2952        1027 :   for( ulong i=0UL; i<FD_PACK_BITSET_MAX; i++ ) pack->bitset_avail[ i+1UL ] = (ushort)i;
    2953           3 :   pack->bitset_avail_cnt = FD_PACK_BITSET_MAX;
    2954             : 
    2955           6 :   for( ulong i=0UL; i<pack->bank_tile_cnt; i++ ) pack->use_by_bank_cnt[i] = 0UL;
    2956           3 : }
    2957             : 
    2958             : 
    2959             : /* If delete_full_bundle is non-zero and the transaction to delete is
    2960             :    part of a bundle, the rest of the bundle it is part of will be
    2961             :    deleted as well.
    2962             :    If move_from_penalty_treap is non-zero and the transaction to delete
    2963             :    is in the pending treap, move the best transaction in any of the
    2964             :    conflicting penalty treaps to the pending treap (if there is one). */
    2965             : static ulong
    2966             : delete_transaction( fd_pack_t         * pack,
    2967             :                     fd_pack_ord_txn_t * containing,
    2968             :                     int                 delete_full_bundle,
    2969      495471 :                     int                 move_from_penalty_treap ) {
    2970             : 
    2971      495471 :   fd_txn_t * txn = TXN( containing->txn );
    2972      495471 :   fd_acct_addr_t const * accts   = fd_txn_get_acct_addrs( txn, containing->txn->payload );
    2973      495471 :   fd_acct_addr_t const * alt_adj = containing->txn_e->alt_accts - fd_txn_account_cnt( txn, FD_TXN_ACCT_CAT_IMM );
    2974             : 
    2975      495471 :   treap_t * root = NULL;
    2976      495471 :   int root_idx = containing->root;
    2977      495471 :   fd_pack_penalty_treap_t * penalty_treap = NULL;
    2978      495471 :   switch( root_idx & FD_ORD_TXN_ROOT_TAG_MASK ) {
    2979           0 :     case FD_ORD_TXN_ROOT_FREE:           FD_LOG_CRIT(( "Double free detected" ));
    2980      492291 :     case FD_ORD_TXN_ROOT_PENDING:        root = pack->pending;         break;
    2981           0 :     case FD_ORD_TXN_ROOT_PENDING_VOTE:   root = pack->pending_votes;   break;
    2982         519 :     case FD_ORD_TXN_ROOT_PENDING_BUNDLE: root = pack->pending_bundles; break;
    2983        2661 :     case FD_ORD_TXN_ROOT_PENALTY( 0 ): {
    2984        2661 :       fd_acct_addr_t penalty_acct = *ACCT_IDX_TO_PTR( FD_ORD_TXN_ROOT_PENALTY_ACCT_IDX( root_idx ) );
    2985        2661 :       penalty_treap = penalty_map_query( pack->penalty_treaps, penalty_acct, NULL );
    2986        2661 :       FD_TEST( penalty_treap );
    2987        2661 :       root = penalty_treap->penalty_treap;
    2988        2661 :       break;
    2989        2661 :     }
    2990      495471 :   }
    2991             : 
    2992      495471 :   ulong delete_cnt = 0UL;
    2993      495471 :   if( FD_UNLIKELY( delete_full_bundle & (root==pack->pending_bundles) ) ) {
    2994             :     /* When we delete, the structure of the treap may move around, but
    2995             :        pointers to inside the pool will remain valid */
    2996         123 :     fd_pack_ord_txn_t * bundle_ptrs[ FD_PACK_MAX_TXN_PER_BUNDLE-1UL ];
    2997         123 :     fd_pack_ord_txn_t * pool       = pack->pool;
    2998         123 :     ulong               cnt        = 0UL;
    2999         123 :     ulong               bundle_idx = RC_TO_REL_BUNDLE_IDX( containing->rewards, containing->compute_est );
    3000             : 
    3001             :     /* Iterate in both directions from the current transaction */
    3002         123 :     for( treap_fwd_iter_t _cur=treap_fwd_iter_next( (treap_fwd_iter_t)treap_idx_fast( containing, pool ), pool );
    3003         426 :         !treap_fwd_iter_done( _cur ); _cur=treap_fwd_iter_next( _cur, pool ) ) {
    3004         303 :       fd_pack_ord_txn_t * cur = treap_fwd_iter_ele( _cur, pool );
    3005         303 :       if( FD_LIKELY( bundle_idx==RC_TO_REL_BUNDLE_IDX( cur->rewards, cur->compute_est ) ) ) {
    3006         303 :         bundle_ptrs[ cnt++ ] = cur;
    3007         303 :       } else {
    3008           0 :         break;
    3009           0 :       }
    3010         303 :       FD_TEST( cnt<FD_PACK_MAX_TXN_PER_BUNDLE );
    3011         303 :     }
    3012             : 
    3013         123 :     for( treap_rev_iter_t _cur=treap_rev_iter_next( (treap_rev_iter_t)treap_idx_fast( containing, pool ), pool );
    3014         216 :         !treap_rev_iter_done( _cur ); _cur=treap_rev_iter_next( _cur, pool ) ) {
    3015          93 :       fd_pack_ord_txn_t * cur = treap_rev_iter_ele( _cur, pool );
    3016          93 :       if( FD_LIKELY( bundle_idx==RC_TO_REL_BUNDLE_IDX( cur->rewards, cur->compute_est ) ) ) {
    3017          93 :         bundle_ptrs[ cnt++ ] = cur;
    3018          93 :       } else {
    3019           0 :         break;
    3020           0 :       }
    3021          93 :       FD_TEST( cnt<FD_PACK_MAX_TXN_PER_BUNDLE );
    3022          93 :     }
    3023             : 
    3024             :     /* Delete them each, setting delete_full_bundle to 0 to avoid
    3025             :        infinite recursion. */
    3026         519 :     for( ulong k=0UL; k<cnt; k++ ) delete_cnt += delete_transaction( pack, bundle_ptrs[ k ], 0, 0 );
    3027         123 :   }
    3028             : 
    3029             : 
    3030      495471 :   if( FD_UNLIKELY( move_from_penalty_treap & (root==pack->pending) ) ) {
    3031             : 
    3032      492285 :     fd_pack_ord_txn_t       * best         = NULL;
    3033      492285 :     fd_pack_penalty_treap_t * best_penalty = NULL;
    3034             : 
    3035      492285 :     for( fd_txn_acct_iter_t iter=fd_txn_acct_iter_init( txn, FD_TXN_ACCT_CAT_WRITABLE );
    3036      986394 :         iter!=fd_txn_acct_iter_end(); iter=fd_txn_acct_iter_next( iter ) ) {
    3037      494109 :       fd_pack_penalty_treap_t * p_trp = penalty_map_query( pack->penalty_treaps, *ACCT_ITER_TO_PTR( iter ), NULL );
    3038      494109 :       if( FD_UNLIKELY( p_trp ) ) {
    3039        1289 :         fd_pack_ord_txn_t * best_in_trp = treap_rev_iter_ele( treap_rev_iter_init( p_trp->penalty_treap, pack->pool ), pack->pool );
    3040        1289 :         if( FD_UNLIKELY( !best || COMPARE_WORSE( best, best_in_trp ) ) ) {
    3041         672 :           best         = best_in_trp;
    3042         672 :           best_penalty = p_trp;
    3043         672 :         }
    3044        1289 :       }
    3045      494109 :     }
    3046             : 
    3047      492285 :     if( FD_LIKELY( best ) ) {
    3048             :       /* move best to the main treap */
    3049         672 :       treap_ele_remove( best_penalty->penalty_treap, best, pack->pool );
    3050         672 :       best->root = FD_ORD_TXN_ROOT_PENDING;
    3051         672 :       treap_ele_insert( pack->pending,               best, pack->pool );
    3052             : 
    3053         672 :       pack->pending_smallest->cus   = fd_ulong_min( pack->pending_smallest->cus,   best->compute_est             );
    3054         672 :       pack->pending_smallest->bytes = fd_ulong_min( pack->pending_smallest->bytes, best->txn_e->txnp->payload_sz );
    3055             : 
    3056         672 :       if( FD_UNLIKELY( !treap_ele_cnt( best_penalty->penalty_treap ) ) ) {
    3057           9 :         treap_delete( treap_leave( best_penalty->penalty_treap ) );
    3058           9 :         penalty_map_remove( pack->penalty_treaps, best_penalty );
    3059           9 :       }
    3060         672 :     }
    3061      492285 :   }
    3062             : 
    3063      495471 :   for( fd_txn_acct_iter_t iter=fd_txn_acct_iter_init( txn, FD_TXN_ACCT_CAT_ALL );
    3064     2004108 :       iter!=fd_txn_acct_iter_end(); iter=fd_txn_acct_iter_next( iter ) ) {
    3065     1508637 :     if( FD_UNLIKELY( fd_pack_unwritable_contains( ACCT_ITER_TO_PTR( iter ) ) ) ) continue;
    3066             : 
    3067     1012644 :     release_result_t ret = release_bit_reference( pack, ACCT_ITER_TO_PTR( iter ) );
    3068     1012644 :     FD_PACK_BITSET_CLEARN( pack->bitset_rw_in_use, ret.clear_rw_bit );
    3069     1012644 :     FD_PACK_BITSET_CLEARN( pack->bitset_w_in_use,  ret.clear_w_bit  );
    3070     1012644 :   }
    3071             : 
    3072      495471 :   if( FD_UNLIKELY( containing->txn->flags & FD_TXN_P_FLAGS_DURABLE_NONCE ) ) {
    3073         261 :     noncemap_ele_remove_fast( pack->noncemap, containing, pack->pool );
    3074         261 :   }
    3075      495471 :   expq_remove( pack->expiration_q, containing->expq_idx );
    3076      495471 :   containing->root = FD_ORD_TXN_ROOT_FREE;
    3077      495471 :   treap_ele_remove( root, containing, pack->pool );
    3078      495471 :   sig2txn_ele_remove_fast( pack->signature_map, containing, pack->pool );
    3079      495471 :   trp_pool_ele_release( pack->pool, containing );
    3080             : 
    3081      495471 :   delete_cnt += 1UL;
    3082      495471 :   pack->pending_txn_cnt--;
    3083             : 
    3084      495471 :   if( FD_UNLIKELY( penalty_treap && treap_ele_cnt( root )==0UL ) ) {
    3085           0 :     penalty_map_remove( pack->penalty_treaps, penalty_treap );
    3086           0 :   }
    3087             : 
    3088      495471 :   return delete_cnt;
    3089      495471 : }
    3090             : 
    3091             : ulong
    3092             : fd_pack_delete_transaction( fd_pack_t              * pack,
    3093         180 :                             fd_ed25519_sig_t const * sig0 ) {
    3094         180 :   ulong cnt = 0;
    3095         180 :   ulong next = ULONG_MAX;
    3096         180 :   for( ulong idx = sig2txn_idx_query_const( pack->signature_map, (wrapped_sig_t const *)sig0, ULONG_MAX, pack->pool );
    3097         336 :       idx!=ULONG_MAX; idx=next ) {
    3098             :     /* Iterating while deleting, not just this element, but perhaps the
    3099             :        whole bundle, feels a bit dangerous, but is actually fine because
    3100             :        a bundle can't contain two transactions with the same signature.
    3101             :        That means we know next is not part of the same bundle as idx,
    3102             :        which means that deleting idx will not delete next. */
    3103         156 :     next = sig2txn_idx_next_const( idx, ULONG_MAX, pack->pool );
    3104         156 :     cnt += delete_transaction( pack, pack->pool+idx, 1, 1 );
    3105         156 :   }
    3106             : 
    3107         180 :   return cnt;
    3108         180 : }
    3109             : 
    3110             : 
    3111             : int
    3112             : fd_pack_verify( fd_pack_t * pack,
    3113         438 :                 void      * scratch ) {
    3114             :   /* Invariants:
    3115             :      sig2txn_query has exact same contents as all treaps combined
    3116             :      root matches treap
    3117             :      Keys of acct_to_bitset is exactly union of all accounts in all
    3118             :             transactions in treaps, with ref counted appropriately
    3119             :      bits in bitset_avail is complement of bits allocated in
    3120             :             acct_to_bitset
    3121             :      expires_at consistent between treap, prq
    3122             :      use_by_bank does not contain duplicates
    3123             :      use_by_bank consistent with acct_in_use
    3124             :      elements in pool but not in a treap have root set to free
    3125             :      all penalty treaps have at least one transaction
    3126             :      all elements in penalty treaps are in the one that the root indicates
    3127             :      */
    3128             : 
    3129             :   /* TODO:
    3130             :      bitset_{r}w_in_use = bitset_map_query( everything in acct_in_use that doesn't have FD_PACK_IN_USE_BIT_CLEARED )
    3131             :      bitset_w_in_use & bitset_rw_in_use == bitset_w_in_use
    3132             :      */
    3133      316786 : #define VERIFY_TEST( cond, ... ) do {   \
    3134      316786 :     if( FD_UNLIKELY( !(cond) ) ) {      \
    3135           0 :       FD_LOG_WARNING(( __VA_ARGS__ ));  \
    3136           0 :       return -(__LINE__);               \
    3137           0 :     }                                   \
    3138      316786 :   } while( 0 )
    3139             : 
    3140         438 :   ulong max_acct_in_treap  = pack->pack_depth * FD_TXN_ACCT_ADDR_MAX;
    3141         438 :   int lg_acct_in_trp = fd_ulong_find_msb( fd_ulong_pow2_up( 2UL*max_acct_in_treap  ) );
    3142         438 :   void * _bitset_map_copy = scratch;
    3143         438 :   void * _bitset_map_orig = bitset_map_leave( pack->acct_to_bitset );
    3144         438 :   fd_memcpy( _bitset_map_copy, _bitset_map_orig, bitset_map_footprint( lg_acct_in_trp ) );
    3145             : 
    3146         438 :   fd_pack_bitset_acct_mapping_t * bitset_copy = bitset_map_join( _bitset_map_copy );
    3147             : 
    3148             :   /* Check that each bit is in exactly one place */
    3149         438 :   FD_PACK_BITSET_DECLARE( processed ); FD_PACK_BITSET_CLEAR( processed );
    3150         438 :   FD_PACK_BITSET_DECLARE( bit       ); FD_PACK_BITSET_CLEAR( bit       );
    3151         438 :   FD_PACK_BITSET_DECLARE( full      ); FD_PACK_BITSET_CLEAR( full      );
    3152             : 
    3153         438 :   if( FD_UNLIKELY( pack->bitset_avail[0]!=FD_PACK_BITSET_SLOWPATH ) ) return -1;
    3154      149264 :   for( ulong i=1UL; i<=pack->bitset_avail_cnt; i++ ) {
    3155      148826 :     FD_PACK_BITSET_CLEAR( bit );
    3156      148826 :     FD_PACK_BITSET_SETN( bit, pack->bitset_avail[ i ] );
    3157      148826 :     VERIFY_TEST( FD_PACK_BITSET_INTERSECT4_EMPTY( bit, bit, processed, processed ),
    3158      148826 :         "bit %hu in avail set twice", pack->bitset_avail[ i ] );
    3159      148826 :     FD_PACK_BITSET_OR( processed, bit );
    3160      148826 :   }
    3161             : 
    3162         438 :   ulong total_references = 0UL;
    3163  1589281206 :   for( ulong i=0UL; i<bitset_map_slot_cnt( bitset_copy ); i++ ) {
    3164  1589280768 :     if( !bitset_map_key_inval( bitset_copy[ i ].key ) ) {
    3165        1086 :       VERIFY_TEST( bitset_copy[ i ].ref_cnt>0UL, "account address in table with 0 ref count" );
    3166             : 
    3167        1086 :       total_references += bitset_copy[ i ].ref_cnt;
    3168             : 
    3169        1086 :       FD_PACK_BITSET_CLEAR( bit );
    3170        1086 :       FD_PACK_BITSET_SETN( bit, bitset_copy[ i ].bit );
    3171        1086 :       VERIFY_TEST( FD_PACK_BITSET_INTERSECT4_EMPTY( bit, bit, processed, processed ), "bit %hu used twice", bitset_copy[ i ].bit );
    3172        1086 :       FD_PACK_BITSET_OR( processed, bit );
    3173        1086 :     }
    3174  1589280768 :   }
    3175      149942 :   for( ulong i=0UL; i<FD_PACK_BITSET_MAX; i++ ) {
    3176      149504 :     FD_PACK_BITSET_CLEAR( bit );
    3177      149504 :     FD_PACK_BITSET_SETN( bit, i );
    3178      149504 :     VERIFY_TEST( !FD_PACK_BITSET_INTERSECT4_EMPTY( bit, bit, processed, processed ), "bit %lu missing", i );
    3179      149504 :     FD_PACK_BITSET_SETN( full, i );
    3180      149504 :   }
    3181             : 
    3182             : 
    3183         438 :   fd_pack_ord_txn_t  * pool = pack->pool;
    3184         438 :   treap_t * treaps[ 3 ] = { pack->pending, pack->pending_votes, pack->pending_bundles };
    3185         438 :   ulong txn_cnt = 0UL;
    3186             : 
    3187    24834264 :   for( ulong k=0UL; k<3UL+penalty_map_slot_cnt( pack->penalty_treaps ); k++ ) {
    3188    24833826 :     treap_t * treap = NULL;
    3189             : 
    3190    24833826 :     if( k<3UL ) treap = treaps[ k ];
    3191    24832512 :     else if( FD_LIKELY( penalty_map_key_inval( pack->penalty_treaps[ k-3UL ].key ) ) ) continue;
    3192           0 :     else {
    3193           0 :       treap = pack->penalty_treaps[ k-3UL ].penalty_treap;
    3194           0 :       VERIFY_TEST( treap_ele_cnt( treap )>0UL, "empty penalty treap in map" );
    3195           0 :     }
    3196             : 
    3197        1737 :     for( treap_rev_iter_t _cur=treap_rev_iter_init( treap, pool ); !treap_rev_iter_done( _cur );
    3198        1314 :         _cur=treap_rev_iter_next( _cur, pool ) ) {
    3199         423 :       txn_cnt++;
    3200         423 :       fd_pack_ord_txn_t const * cur = treap_rev_iter_ele_const( _cur, pool );
    3201         423 :       fd_txn_t const * txn = TXN(cur->txn);
    3202         423 :       fd_acct_addr_t const * accts   = fd_txn_get_acct_addrs( txn, cur->txn->payload );
    3203         423 :       fd_acct_addr_t const * alt_adj = cur->txn_e->alt_accts - fd_txn_account_cnt( txn, FD_TXN_ACCT_CAT_IMM );
    3204             : 
    3205         423 :       fd_ed25519_sig_t const * sig0 = fd_txn_get_signatures( txn, cur->txn->payload );
    3206             : 
    3207         423 :       fd_pack_ord_txn_t const * in_tbl = sig2txn_ele_query_const( pack->signature_map, (wrapped_sig_t const *)sig0, NULL, pool );
    3208         423 :       VERIFY_TEST( in_tbl, "signature missing from sig2txn" );
    3209             : 
    3210         423 :       VERIFY_TEST( (ulong)(cur->root & FD_ORD_TXN_ROOT_TAG_MASK)==fd_ulong_min( k, 3UL )+1UL, "treap element had bad root" );
    3211         423 :       if( FD_LIKELY( (cur->root & FD_ORD_TXN_ROOT_TAG_MASK)==FD_ORD_TXN_ROOT_PENALTY(0) ) ) {
    3212           0 :         fd_acct_addr_t const * penalty_acct = ACCT_IDX_TO_PTR( FD_ORD_TXN_ROOT_PENALTY_ACCT_IDX( cur->root ) );
    3213           0 :         VERIFY_TEST( !memcmp( penalty_acct, pack->penalty_treaps[ k-3UL ].key.b, 32UL ), "transaction in wrong penalty treap" );
    3214           0 :       }
    3215         423 :       VERIFY_TEST( cur->expires_at>=pack->expire_before, "treap element expired" );
    3216             : 
    3217         423 :       fd_pack_expq_t const * eq = pack->expiration_q + cur->expq_idx;
    3218         423 :       VERIFY_TEST( eq->txn==cur, "expq inconsistent" );
    3219         423 :       VERIFY_TEST( eq->expires_at==cur->expires_at, "expq expires_at inconsistent" );
    3220             : 
    3221         423 :       FD_PACK_BITSET_DECLARE( complement );
    3222         423 :       FD_PACK_BITSET_COPY( complement, full );
    3223         423 :       for( fd_txn_acct_iter_t iter=fd_txn_acct_iter_init( txn, FD_TXN_ACCT_CAT_WRITABLE );
    3224        1413 :           iter!=fd_txn_acct_iter_end(); iter=fd_txn_acct_iter_next( iter ) ) {
    3225         990 :         fd_acct_addr_t acct = *ACCT_ITER_TO_PTR( iter );
    3226             : 
    3227         990 :         fd_pack_bitset_acct_mapping_t * q = bitset_map_query( bitset_copy, acct, NULL );
    3228         990 :         VERIFY_TEST( q, "account in transaction missing from bitset mapping" );
    3229         990 :         VERIFY_TEST( q->ref_cnt>0UL, "account in transaction ref_cnt already 0" );
    3230         990 :         q->ref_cnt--;
    3231         990 :         total_references--;
    3232             : 
    3233         990 :         FD_PACK_BITSET_CLEAR( bit );
    3234         990 :         FD_PACK_BITSET_SETN( bit, q->bit );
    3235         990 :         if( q->bit<FD_PACK_BITSET_MAX ) {
    3236         597 :           VERIFY_TEST( !FD_PACK_BITSET_INTERSECT4_EMPTY( bit, bit, cur->rw_bitset, cur->rw_bitset ), "missing from rw bitset" );
    3237         597 :           VERIFY_TEST( !FD_PACK_BITSET_INTERSECT4_EMPTY( bit, bit, cur->w_bitset,  cur->w_bitset  ), "missing from w bitset" );
    3238         597 :         }
    3239         990 :         FD_PACK_BITSET_CLEARN( complement, q->bit );
    3240         990 :       }
    3241         423 :       VERIFY_TEST( FD_PACK_BITSET_INTERSECT4_EMPTY( complement, complement, cur->w_bitset,  cur->w_bitset ), "extra in w bitset" );
    3242             : 
    3243         423 :       for( fd_txn_acct_iter_t iter=fd_txn_acct_iter_init( txn, FD_TXN_ACCT_CAT_READONLY );
    3244        1836 :           iter!=fd_txn_acct_iter_end(); iter=fd_txn_acct_iter_next( iter ) ) {
    3245             : 
    3246        1413 :         fd_acct_addr_t acct = *ACCT_ITER_TO_PTR( iter );
    3247        1413 :         if( FD_UNLIKELY( fd_pack_unwritable_contains( &acct ) ) ) continue;
    3248         894 :         fd_pack_bitset_acct_mapping_t * q = bitset_map_query( bitset_copy, acct, NULL );
    3249         894 :         VERIFY_TEST( q, "account in transaction missing from bitset mapping" );
    3250         894 :         VERIFY_TEST( q->ref_cnt>0UL, "account in transaction ref_cnt already 0" );
    3251         894 :         q->ref_cnt--;
    3252         894 :         total_references--;
    3253             : 
    3254         894 :         FD_PACK_BITSET_CLEAR( bit );
    3255         894 :         FD_PACK_BITSET_SETN( bit, q->bit );
    3256         894 :         if( q->bit<FD_PACK_BITSET_MAX ) {
    3257         879 :           VERIFY_TEST( !FD_PACK_BITSET_INTERSECT4_EMPTY( bit, bit, cur->rw_bitset, cur->rw_bitset ), "missing from rw bitset" );
    3258         879 :         }
    3259         894 :         FD_PACK_BITSET_CLEARN( complement, q->bit );
    3260         894 :       }
    3261         423 :       VERIFY_TEST( FD_PACK_BITSET_INTERSECT4_EMPTY( complement, complement, cur->rw_bitset,  cur->rw_bitset ), "extra in rw bitset" );
    3262         423 :     }
    3263        1314 :   }
    3264             : 
    3265         438 :   bitset_map_leave( bitset_copy );
    3266         438 :   VERIFY_TEST( txn_cnt==pack->pending_txn_cnt, "txn_cnt" );
    3267             : 
    3268         438 :   VERIFY_TEST( total_references==0UL, "extra references in bitset mapping" );
    3269         438 :   ulong sig2txn_key_cnt = 0UL;
    3270         438 :   for( sig2txn_iter_t iter = sig2txn_iter_init( pack->signature_map, pool );
    3271         861 :       !sig2txn_iter_done( iter, pack->signature_map, pool );
    3272         438 :       iter = sig2txn_iter_next( iter, pack->signature_map, pool ) ) {
    3273         423 :     sig2txn_key_cnt++;
    3274         423 :   }
    3275         438 :   VERIFY_TEST( txn_cnt==sig2txn_key_cnt, "extra signatures in sig2txn" );
    3276         438 :   VERIFY_TEST( !sig2txn_verify( pack->signature_map, trp_pool_max( pool ), pool ), "sig2txn corrupt" );
    3277             : 
    3278             :   /* Count noncemap keys */
    3279         438 :   ulong noncemap_key_cnt = 0UL;
    3280         438 :   for( noncemap_iter_t iter = noncemap_iter_init( pack->noncemap, pool );
    3281         486 :       !noncemap_iter_done( iter, pack->noncemap, pool );
    3282         438 :       iter = noncemap_iter_next( iter, pack->noncemap, pool ) ) {
    3283          48 :     noncemap_key_cnt++;
    3284             :     /* Ensure element is in pool */
    3285          48 :     fd_pack_ord_txn_t const * ord = noncemap_iter_ele_const( iter, pack->noncemap, pool );
    3286          48 :     VERIFY_TEST( ord->txn->flags & FD_TXN_P_FLAGS_DURABLE_NONCE, "invalid entry in noncemap" );
    3287             : 
    3288             :     /* Although pack allows multiple transactions with the same
    3289             :        signature in sig2txn (MAP_MULTI==1), the noncemap checks prevent
    3290             :        multiple nonce transactions with the same signature. */
    3291          48 :     wrapped_sig_t sig = FD_LOAD( wrapped_sig_t, fd_txn_get_signatures( TXN( ord->txn ), ord->txn->payload ) );
    3292          48 :     VERIFY_TEST( ord==sig2txn_ele_query_const( pack->signature_map, &sig, NULL, pool ), "noncemap and sig2txn desynced" );
    3293          48 :   }
    3294         438 :   VERIFY_TEST( txn_cnt>=noncemap_key_cnt, "phantom txns in noncemap" );
    3295         438 :   VERIFY_TEST( !noncemap_verify( pack->noncemap, trp_pool_max( pool ), pool ), "noncemap corrupt" );
    3296             : 
    3297         438 :   ulong slots_found = 0UL;
    3298         438 :   ulong const pool_max = trp_pool_max( pool );
    3299     3890922 :   for( ulong i=0UL; i<pool_max; i++ ) {
    3300     3890484 :     fd_pack_ord_txn_t * ord = pack->pool + i;
    3301     3890484 :     if( ord->root!=FD_ORD_TXN_ROOT_FREE ) slots_found++;
    3302     3890484 :   }
    3303         438 :   VERIFY_TEST( slots_found==txn_cnt, "phantom slots in pool" );
    3304             : 
    3305         438 :   bitset_map_join( _bitset_map_orig );
    3306             : 
    3307         438 :   int lg_uses_tbl_sz = acct_uses_lg_slot_cnt( pack->acct_in_use );
    3308             : 
    3309         438 :   void * _acct_in_use_copy = scratch;
    3310         438 :   void * _acct_in_use_orig = acct_uses_leave( pack->acct_in_use );
    3311         438 :   fd_memcpy( _acct_in_use_copy, _acct_in_use_orig, acct_uses_footprint( lg_uses_tbl_sz ) );
    3312             : 
    3313         438 :   fd_pack_addr_use_t * acct_in_use_copy = acct_uses_join( _acct_in_use_copy );
    3314             : 
    3315         438 :   FD_PACK_BITSET_DECLARE(  w_complement );
    3316         438 :   FD_PACK_BITSET_DECLARE( rw_complement );
    3317         438 :   FD_PACK_BITSET_COPY(  w_complement, full );
    3318         438 :   FD_PACK_BITSET_COPY( rw_complement, full );
    3319             : 
    3320         438 :   FD_PACK_BITSET_DECLARE( rw_bitset );  FD_PACK_BITSET_COPY( rw_bitset, pack->bitset_rw_in_use );
    3321         438 :   FD_PACK_BITSET_DECLARE(  w_bitset );  FD_PACK_BITSET_COPY(  w_bitset, pack->bitset_w_in_use  );
    3322             : 
    3323             : 
    3324         438 :   ulong const EMPTY_MASK = ~(FD_PACK_IN_USE_WRITABLE | FD_PACK_IN_USE_BIT_CLEARED);
    3325             : 
    3326       12255 :   for( ulong bank=0UL; bank<pack->bank_tile_cnt; bank++ ) {
    3327             : 
    3328       11817 :     fd_pack_addr_use_t const * base = pack->use_by_bank[ bank ];
    3329       11817 :     ulong bank_mask = 1UL << bank;
    3330             : 
    3331       12672 :     for( ulong i=0UL; i<pack->use_by_bank_cnt[ bank ]; i++ ) {
    3332         855 :       fd_pack_addr_use_t * use = acct_uses_query( acct_in_use_copy, base[i].key, NULL );
    3333         855 :       VERIFY_TEST( use, "acct in use by bank not in acct_in_use, or in uses_by_bank twice" );
    3334             : 
    3335         855 :       VERIFY_TEST( use->in_use_by & bank_mask, "acct in uses_by_bank doesn't have corresponding bit set in acct_in_use, or it was in the list twice" );
    3336             : 
    3337         855 :       fd_pack_bitset_acct_mapping_t * q = bitset_map_query( pack->acct_to_bitset, base[i].key, NULL );
    3338             :       /* The normal case is that the acct->bit mapping is preserved
    3339             :          while in use by other transactions in the pending list.  This
    3340             :          might not always happen though.  It's okay for the mapping to
    3341             :          get deleted while the acct is in use, which is noted with
    3342             :          BIT_CLEARED.  If that is set, the mapping may not exist, or it
    3343             :          may have been re-created, perhaps with a different bit. */
    3344         855 :       if( q==NULL ) VERIFY_TEST( use->in_use_by & FD_PACK_IN_USE_BIT_CLEARED, "acct in use not in acct_to_bitset, but not marked as cleared" );
    3345           0 :       else if( !(use->in_use_by & FD_PACK_IN_USE_BIT_CLEARED) ) {
    3346           0 :         FD_PACK_BITSET_CLEAR( bit );
    3347           0 :         FD_PACK_BITSET_SETN( bit, q->bit );
    3348           0 :         if( q->bit<FD_PACK_BITSET_MAX ) {
    3349           0 :           VERIFY_TEST( !FD_PACK_BITSET_INTERSECT4_EMPTY( bit, bit, rw_bitset, rw_bitset ), "missing from rw bitset" );
    3350           0 :           if( use->in_use_by & FD_PACK_IN_USE_WRITABLE ) {
    3351           0 :             VERIFY_TEST( !FD_PACK_BITSET_INTERSECT4_EMPTY( bit, bit, w_bitset, w_bitset ), "missing from w bitset" );
    3352           0 :             FD_PACK_BITSET_CLEARN( w_complement, q->bit );
    3353           0 :           }
    3354           0 :         }
    3355           0 :         FD_PACK_BITSET_CLEARN( rw_complement, q->bit );
    3356           0 :       }
    3357         855 :       if( use->in_use_by & FD_PACK_IN_USE_WRITABLE ) VERIFY_TEST( (use->in_use_by & EMPTY_MASK)==bank_mask, "writable, but in use by multiple" );
    3358             : 
    3359         855 :       use->in_use_by &= ~bank_mask;
    3360         855 :       if( !(use->in_use_by & EMPTY_MASK) ) acct_uses_remove( acct_in_use_copy, use );
    3361         855 :     }
    3362       11817 :   }
    3363         438 :   VERIFY_TEST( acct_uses_key_cnt( acct_in_use_copy )==0UL, "stray uses in acct_in_use" );
    3364         438 :   VERIFY_TEST( FD_PACK_BITSET_INTERSECT4_EMPTY( rw_complement, rw_complement, rw_bitset,  rw_bitset ), "extra in rw bitset" );
    3365         438 :   VERIFY_TEST( FD_PACK_BITSET_INTERSECT4_EMPTY(  w_complement,  w_complement,  w_bitset,   w_bitset ), "extra in w bitset" );
    3366             : 
    3367         438 :   acct_uses_leave( acct_in_use_copy );
    3368             : 
    3369         438 :   acct_uses_join( _acct_in_use_orig );
    3370         438 :   return 0;
    3371         438 : }
    3372             : 
    3373           3 : void * fd_pack_leave ( fd_pack_t * pack ) { FD_COMPILER_MFENCE(); return (void *)pack; }
    3374           3 : void * fd_pack_delete( void      * mem  ) { FD_COMPILER_MFENCE(); return mem;          }

Generated by: LCOV version 1.14