Line data    Source code

       1             : #include "fd_instr_info.h"
       2             : #include "../fd_runtime.h"
       3             : #include "../fd_runtime_helpers.h"
       4             : #include "../../../disco/fd_txn_p.h"
       5             : #include "../../../util/bits/fd_uwide.h"
       6             : 
       7             : void
       8             : fd_instr_info_init_from_txn_instr( fd_instr_info_t *      instr,
       9             :                                    fd_txn_in_t const *    txn_in,
      10             :                                    fd_txn_out_t *         txn_out,
      11         324 :                                    fd_txn_instr_t const * txn_instr ) {
      12             : 
      13         324 :   fd_txn_t const * txn_descriptor = TXN( txn_in->txn );
      14         324 :   uchar *          instr_acc_idxs = (uchar *)txn_in->txn->payload + txn_instr->acct_off;
      15             : 
      16             :   /* Set the stack height to 1 (since this is a top-level instruction) */
      17         324 :   instr->stack_height = 1;
      18             : 
      19             :   /* Set the program id */
      20         324 :   instr->program_id = txn_instr->program_id;
      21         324 :   instr->acct_cnt   = txn_instr->acct_cnt;
      22         324 :   if( FD_UNLIKELY( instr->acct_cnt > FD_TXN_INSTR_ACCT_MAX ) ) {
      23           0 :     FD_LOG_CRIT(( "invariant violation: Instruction has too many accounts: %d > %lu", instr->acct_cnt, FD_TXN_INSTR_ACCT_MAX ));
      24           0 :   }
      25         324 :   instr->data_sz  = txn_instr->data_sz;
      26         324 :   memcpy( instr->data, txn_in->txn->payload+txn_instr->data_off, instr->data_sz );
      27             : 
      28         324 :   uchar acc_idx_seen[ FD_TXN_ACCT_ADDR_MAX ] = {0};
      29             : 
      30         990 :   for( ushort i=0; i<instr->acct_cnt; i++ ) {
      31         666 :     ushort acc_idx = instr_acc_idxs[i];
      32             : 
      33         666 :     fd_instr_info_setup_instr_account( instr,
      34         666 :                                        acc_idx_seen,
      35         666 :                                        acc_idx,
      36         666 :                                        acc_idx,
      37         666 :                                        i,
      38         666 :                                        (uchar)fd_runtime_account_is_writable_idx( txn_in, txn_out, instr_acc_idxs[i] ),
      39         666 :                                        (uchar)fd_txn_is_signer( txn_descriptor, instr_acc_idxs[i] ) );
      40             : 
      41         666 :   }
      42         324 : }
      43             : 
      44             : int
      45             : fd_instr_info_sum_account_lamports( fd_instr_info_t const * instr,
      46             :                                     fd_txn_out_t *          txn_out,
      47             :                                     ulong *                 total_lamports_h,
      48        8739 :                                     ulong *                 total_lamports_l ) {
      49        8739 :   *total_lamports_h = 0UL;
      50        8739 :   *total_lamports_l = 0UL;
      51       24435 :   for( ulong i=0UL; i<instr->acct_cnt; ++i ) {
      52       15696 :     ushort idx_in_txn = instr->accounts[i].index_in_transaction;
      53       15696 :     fd_acc_t const * ref = txn_out->accounts.account[ idx_in_txn ];
      54             : 
      55       15696 :     if( instr->is_duplicate[i] ) {
      56         486 :       continue;
      57         486 :     }
      58             : 
      59             :     /* Perform a checked add on a fd_uwide */
      60       15210 :     ulong tmp_total_lamports_h = 0UL;
      61       15210 :     ulong tmp_total_lamports_l = 0UL;
      62             : 
      63       15210 :     fd_uwide_inc( &tmp_total_lamports_h, &tmp_total_lamports_l,
      64       15210 :                   *total_lamports_h,     *total_lamports_l,
      65       15210 :                   ref->lamports );
      66             : 
      67       15210 :     if( tmp_total_lamports_h < *total_lamports_h ) {
      68           0 :       return FD_EXECUTOR_INSTR_ERR_ARITHMETIC_OVERFLOW;
      69           0 :     }
      70             : 
      71       15210 :     *total_lamports_h = tmp_total_lamports_h;
      72       15210 :     *total_lamports_l = tmp_total_lamports_l;
      73       15210 :   }
      74             : 
      75        8739 :   return FD_EXECUTOR_INSTR_SUCCESS;
      76        8739 : }