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_init_from_txn_instr( fd_instr_info_t *      instr,
       7             :                                    fd_txn_in_t const *    txn_in,
       8             :                                    fd_txn_out_t *         txn_out,
       9          96 :                                    fd_txn_instr_t const * txn_instr ) {
      10             : 
      11          96 :   fd_txn_t const * txn_descriptor = TXN( txn_in->txn );
      12          96 :   uchar *          instr_acc_idxs = (uchar *)txn_in->txn->payload + txn_instr->acct_off;
      13             : 
      14             :   /* Set the stack height to 1 (since this is a top-level instruction) */
      15          96 :   instr->stack_height = 1;
      16             : 
      17             :   /* Set the program id */
      18          96 :   instr->program_id = txn_instr->program_id;
      19          96 :   instr->acct_cnt   = txn_instr->acct_cnt;
      20          96 :   if( FD_UNLIKELY( instr->acct_cnt > FD_INSTR_ACCT_MAX ) ) {
      21           0 :     FD_LOG_CRIT(( "invariant violation: Instruction has too many accounts: %d > %lu", instr->acct_cnt, FD_INSTR_ACCT_MAX ));
      22           0 :   }
      23          96 :   instr->data_sz  = txn_instr->data_sz;
      24          96 :   memcpy( instr->data, txn_in->txn->payload+txn_instr->data_off, instr->data_sz );
      25             : 
      26          96 :   uchar acc_idx_seen[ FD_TXN_ACCT_ADDR_MAX ] = {0};
      27             : 
      28        5802 :   for( ushort i=0; i<instr->acct_cnt; i++ ) {
      29        5706 :     ushort acc_idx = instr_acc_idxs[i];
      30             : 
      31        5706 :     fd_instr_info_setup_instr_account( instr,
      32        5706 :                                        acc_idx_seen,
      33        5706 :                                        acc_idx,
      34        5706 :                                        acc_idx,
      35        5706 :                                        i,
      36        5706 :                                        (uchar)fd_runtime_account_is_writable_idx( txn_in, txn_out, instr_acc_idxs[i] ),
      37        5706 :                                        (uchar)fd_txn_is_signer( txn_descriptor, instr_acc_idxs[i] ) );
      38             : 
      39        5706 :   }
      40          96 : }
      41             : 
      42             : int
      43             : fd_instr_info_sum_account_lamports( fd_instr_info_t const * instr,
      44             :                                     fd_txn_out_t *          txn_out,
      45             :                                     ulong *                 total_lamports_h,
      46         258 :                                     ulong *                 total_lamports_l ) {
      47         258 :   *total_lamports_h = 0UL;
      48         258 :   *total_lamports_l = 0UL;
      49       11808 :   for( ulong i=0UL; i<instr->acct_cnt; ++i ) {
      50       11550 :     ushort idx_in_txn = instr->accounts[i].index_in_transaction;
      51       11550 :     fd_accdb_rw_t const * ref = &txn_out->accounts.account[ idx_in_txn ];
      52             : 
      53       11550 :     if( instr->is_duplicate[i] ) {
      54       11076 :       continue;
      55       11076 :     }
      56             : 
      57             :     /* Perform a checked add on a fd_uwide */
      58         474 :     ulong tmp_total_lamports_h = 0UL;
      59         474 :     ulong tmp_total_lamports_l = 0UL;
      60             : 
      61         474 :     fd_uwide_inc( &tmp_total_lamports_h, &tmp_total_lamports_l,
      62         474 :                   *total_lamports_h,     *total_lamports_l,
      63         474 :                   fd_accdb_ref_lamports( ref->ro ) );
      64             : 
      65         474 :     if( tmp_total_lamports_h < *total_lamports_h ) {
      66           0 :       return FD_EXECUTOR_INSTR_ERR_ARITHMETIC_OVERFLOW;
      67           0 :     }
      68             : 
      69         474 :     *total_lamports_h = tmp_total_lamports_h;
      70         474 :     *total_lamports_l = tmp_total_lamports_l;
      71         474 :   }
      72             : 
      73         258 :   return FD_EXECUTOR_INSTR_SUCCESS;
      74         258 : }