Line data    Source code

       1             : #ifndef HEADER_fd_src_flamenco_runtime_sysvar_fd_clock_h
       2             : #define HEADER_fd_src_flamenco_runtime_sysvar_fd_clock_h
       3             : 
       4             : /* The clock sysvar provides an approximate measure of network time. */
       5             : 
       6             : #include "../../fd_flamenco_base.h"
       7             : #include "../context/fd_exec_instr_ctx.h"
       8             : #include "fd_sysvar_cache.h"
       9             : #include "fd_sysvar.h"
      10             : 
      11             : /* https://github.com/solana-labs/solana/blob/8f2c8b8388a495d2728909e30460aa40dcc5d733/sdk/program/src/clock.rs#L10 */
      12           0 : #define FD_SYSVAR_CLOCK_DEFAULT_TICKS_PER_SECOND ( 160UL )
      13           0 : #define FD_SYSVAR_CLOCK_DEFAULT_HASHES_PER_TICK  (12500UL)
      14             : 
      15             : FD_PROTOTYPES_BEGIN
      16             : 
      17             : /* The clock sysvar provides an approximate measure of network time. */
      18             : 
      19             : /* Initialize the clock sysvar account. */
      20             : 
      21             : void
      22             : fd_sysvar_clock_init( fd_exec_slot_ctx_t * slot_ctx );
      23             : 
      24             : /* Update the clock sysvar account.  This should be called at the start
      25             :    of every slot, before execution commences. */
      26             : 
      27             : int
      28             : fd_sysvar_clock_update( fd_exec_slot_ctx_t * slot_ctx,
      29             :                         fd_spad_t *          runtime_spad );
      30             : 
      31             : /* Reads the current value of the clock sysvar */
      32             : 
      33             : fd_sol_sysvar_clock_t *
      34             : fd_sysvar_clock_read( fd_sol_sysvar_clock_t *   result,
      35             :                       fd_sysvar_cache_t const * sysvar_cache,
      36             :                       fd_acc_mgr_t *            acc_mgr,
      37             :                       fd_funk_txn_t *           funk_txn );
      38             : 
      39             : /* fd_slot_cnt_2day returns the number of slots in two days.
      40             :    Used in rent collection. */
      41             : 
      42             : static inline ulong
      43           0 : fd_slot_cnt_2day( ulong ticks_per_slot ) {
      44           0 :   ulong seconds = (2UL * 24UL * 60UL * 60UL);
      45           0 :   ulong ticks   = seconds * FD_SYSVAR_CLOCK_DEFAULT_HASHES_PER_TICK;
      46           0 :   return ticks / ticks_per_slot;
      47           0 : }
      48             : 
      49             : FD_PROTOTYPES_END
      50             : 
      51             : #endif /* HEADER_fd_src_flamenco_runtime_sysvar_fd_clock_h */