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_bank_t *            bank,
       8             :                                    fd_txn_in_t const *    txn_in,
       9             :                                    fd_txn_out_t *         txn_out,
      10          60 :                                    fd_txn_instr_t const * txn_instr ) {
      11             : 
      12          60 :   fd_txn_t const * txn_descriptor = TXN( txn_in->txn );
      13          60 :   uchar *          instr_acc_idxs = (uchar *)txn_in->txn->payload + txn_instr->acct_off;
      14             : 
      15             :   /* Set the stack height to 1 (since this is a top-level instruction) */
      16          60 :   instr->stack_height = 1;
      17             : 
      18             :   /* Set the program id */
      19          60 :   instr->program_id = txn_instr->program_id;
      20          60 :   instr->acct_cnt   = txn_instr->acct_cnt;
      21          60 :   if( FD_UNLIKELY( instr->acct_cnt > FD_INSTR_ACCT_MAX ) ) {
      22           0 :     FD_LOG_CRIT(( "invariant violation: Instruction has too many accounts: %d > %lu", instr->acct_cnt, FD_INSTR_ACCT_MAX ));
      23           0 :   }
      24          60 :   instr->data_sz  = txn_instr->data_sz;
      25          60 :   memcpy( instr->data, txn_in->txn->payload+txn_instr->data_off, instr->data_sz );
      26             : 
      27          60 :   uchar acc_idx_seen[ FD_TXN_ACCT_ADDR_MAX ] = {0};
      28             : 
      29        4944 :   for( ushort i=0; i<instr->acct_cnt; i++ ) {
      30        4884 :     ushort acc_idx = instr_acc_idxs[i];
      31             : 
      32        4884 :     fd_instr_info_setup_instr_account( instr,
      33        4884 :                                        acc_idx_seen,
      34        4884 :                                        acc_idx,
      35        4884 :                                        acc_idx,
      36        4884 :                                        i,
      37        4884 :                                        (uchar)fd_runtime_account_is_writable_idx( txn_in, txn_out, bank, instr_acc_idxs[i] ),
      38        4884 :                                        (uchar)fd_txn_is_signer( txn_descriptor, instr_acc_idxs[i] ) );
      39             : 
      40        4884 :   }
      41          60 : }
      42             : 
      43             : int
      44             : fd_instr_info_sum_account_lamports( fd_instr_info_t const * instr,
      45             :                                     fd_txn_out_t *          txn_out,
      46             :                                     ulong *                 total_lamports_h,
      47         180 :                                     ulong *                 total_lamports_l ) {
      48         180 :   *total_lamports_h = 0UL;
      49         180 :   *total_lamports_l = 0UL;
      50       10068 :   for( ulong i=0UL; i<instr->acct_cnt; ++i ) {
      51        9888 :     ushort idx_in_txn = instr->accounts[i].index_in_transaction;
      52        9888 :     fd_accdb_rw_t const * ref = &txn_out->accounts.account[ idx_in_txn ];
      53             : 
      54        9888 :     if( instr->is_duplicate[i] ) {
      55        9552 :       continue;
      56        9552 :     }
      57             : 
      58             :     /* Perform a checked add on a fd_uwide */
      59         336 :     ulong tmp_total_lamports_h = 0UL;
      60         336 :     ulong tmp_total_lamports_l = 0UL;
      61             : 
      62         336 :     fd_uwide_inc( &tmp_total_lamports_h, &tmp_total_lamports_l,
      63         336 :                   *total_lamports_h,     *total_lamports_l,
      64         336 :                   fd_accdb_ref_lamports( ref->ro ) );
      65             : 
      66         336 :     if( tmp_total_lamports_h < *total_lamports_h ) {
      67           0 :       return FD_EXECUTOR_INSTR_ERR_ARITHMETIC_OVERFLOW;
      68           0 :     }
      69             : 
      70         336 :     *total_lamports_h = tmp_total_lamports_h;
      71         336 :     *total_lamports_l = tmp_total_lamports_l;
      72         336 :   }
      73             : 
      74         180 :   return FD_EXECUTOR_INSTR_SUCCESS;
      75         180 : }