Line data    Source code

       1             : #include "fd_instr_info.h"
       2             : #include "../fd_runtime.h"
       3             : #include "../../../util/bits/fd_uwide.h"
       4             : 
       5             : void
       6             : fd_instr_info_accumulate_starting_lamports( fd_instr_info_t * instr,
       7             :                                             fd_txn_out_t *    txn_out,
       8             :                                             ushort            idx_in_callee,
       9           0 :                                             ushort            idx_in_txn ) {
      10           0 :   if( FD_LIKELY( !instr->is_duplicate[ idx_in_callee ] ) ) {
      11           0 :     fd_accdb_rw_t const * ref = &txn_out->accounts.account[ idx_in_txn ];
      12           0 :     if( ref ) {
      13           0 :       fd_uwide_inc(
      14           0 :         &instr->starting_lamports_h, &instr->starting_lamports_l,
      15           0 :         instr->starting_lamports_h, instr->starting_lamports_l,
      16           0 :         fd_accdb_ref_lamports( ref->ro ) );
      17           0 :     }
      18           0 :   }
      19           0 : }
      20             : 
      21             : void
      22             : fd_instr_info_init_from_txn_instr( fd_instr_info_t *      instr,
      23             :                                    fd_bank_t *            bank,
      24             :                                    fd_txn_in_t const *    txn_in,
      25             :                                    fd_txn_out_t *         txn_out,
      26           6 :                                    fd_txn_instr_t const * txn_instr ) {
      27             : 
      28           6 :   fd_txn_t const * txn_descriptor = TXN( txn_in->txn );
      29           6 :   uchar *          instr_acc_idxs = (uchar *)txn_in->txn->payload + txn_instr->acct_off;
      30             : 
      31             :   /* Set the stack height to 1 (since this is a top-level instruction) */
      32           6 :   instr->stack_height = 1;
      33             : 
      34             :   /* Set the program id */
      35           6 :   instr->program_id = txn_instr->program_id;
      36           6 :   instr->acct_cnt   = txn_instr->acct_cnt;
      37           6 :   if( FD_UNLIKELY( instr->acct_cnt > FD_INSTR_ACCT_MAX ) ) {
      38           0 :     FD_LOG_CRIT(( "invariant violation: Instruction has too many accounts: %d > %lu", instr->acct_cnt, FD_INSTR_ACCT_MAX ));
      39           0 :   }
      40           6 :   instr->data_sz  = txn_instr->data_sz;
      41           6 :   memcpy( instr->data, txn_in->txn->payload+txn_instr->data_off, instr->data_sz );
      42             : 
      43           6 :   uchar acc_idx_seen[ FD_TXN_ACCT_ADDR_MAX ] = {0};
      44             : 
      45        4788 :   for( ushort i=0; i<instr->acct_cnt; i++ ) {
      46        4782 :     ushort acc_idx = instr_acc_idxs[i];
      47             : 
      48        4782 :     fd_instr_info_setup_instr_account( instr,
      49        4782 :                                        acc_idx_seen,
      50        4782 :                                        acc_idx,
      51        4782 :                                        acc_idx,
      52        4782 :                                        i,
      53        4782 :                                        (uchar)fd_runtime_account_is_writable_idx( txn_in, txn_out, bank, instr_acc_idxs[i] ),
      54        4782 :                                        (uchar)fd_txn_is_signer( txn_descriptor, instr_acc_idxs[i] ) );
      55             : 
      56        4782 :   }
      57           6 : }
      58             : 
      59             : int
      60             : fd_instr_info_sum_account_lamports( fd_instr_info_t const * instr,
      61             :                                     fd_txn_out_t *          txn_out,
      62             :                                     ulong *                 total_lamports_h,
      63          60 :                                     ulong *                 total_lamports_l ) {
      64          60 :   *total_lamports_h = 0UL;
      65          60 :   *total_lamports_l = 0UL;
      66        9720 :   for( ulong i=0UL; i<instr->acct_cnt; ++i ) {
      67        9660 :     ushort idx_in_txn = instr->accounts[i].index_in_transaction;
      68        9660 :     fd_accdb_rw_t const * ref = &txn_out->accounts.account[ idx_in_txn ];
      69             : 
      70        9660 :     if( !ref || instr->is_duplicate[i] ) {
      71        9552 :       continue;
      72        9552 :     }
      73             : 
      74             :     /* Perform a checked add on a fd_uwide */
      75         108 :     ulong tmp_total_lamports_h = 0UL;
      76         108 :     ulong tmp_total_lamports_l = 0UL;
      77             : 
      78         108 :     fd_uwide_inc( &tmp_total_lamports_h, &tmp_total_lamports_l,
      79         108 :                   *total_lamports_h,     *total_lamports_l,
      80         108 :                   fd_accdb_ref_lamports( ref->ro ) );
      81             : 
      82         108 :     if( tmp_total_lamports_h < *total_lamports_h ) {
      83           0 :       return FD_EXECUTOR_INSTR_ERR_ARITHMETIC_OVERFLOW;
      84           0 :     }
      85             : 
      86         108 :     *total_lamports_h = tmp_total_lamports_h;
      87         108 :     *total_lamports_l = tmp_total_lamports_l;
      88         108 :   }
      89             : 
      90          60 :   return FD_EXECUTOR_INSTR_SUCCESS;
      91          60 : }