Line data    Source code

       1             : #include "fd_sysvar.h"
       2             : #include "../fd_system_ids.h"
       3             : #include "../fd_hashes.h"
       4             : #include "../fd_runtime.h"
       5             : #include "fd_sysvar_rent.h"
       6             : #include "../../accdb/fd_accdb_sync.h"
       7             : 
       8             : /* https://github.com/anza-xyz/agave/blob/cbc8320d35358da14d79ebcada4dfb6756ffac79/runtime/src/bank.rs#L1813 */
       9             : void
      10             : fd_sysvar_account_update( fd_bank_t *               bank,
      11             :                           fd_accdb_user_t *         accdb,
      12             :                           fd_funk_txn_xid_t const * xid,
      13             :                           fd_capture_ctx_t *        capture_ctx,
      14             :                           fd_pubkey_t const *       address,
      15             :                           void const *              data,
      16         753 :                           ulong                     sz ) {
      17         753 :   fd_rent_t const * rent    = fd_bank_rent_query( bank );
      18         753 :   ulong     const   min_bal = fd_rent_exempt_minimum_balance( rent, sz );
      19             : 
      20         753 :   fd_accdb_rw_t rw[1];
      21         753 :   fd_accdb_open_rw( accdb, rw, xid, address, sz, FD_ACCDB_FLAG_CREATE );
      22         753 :   fd_lthash_value_t prev_hash[1];
      23         753 :   fd_hashes_account_lthash( address, rw->meta, fd_accdb_ref_data_const( rw->ro ), prev_hash );
      24             : 
      25         753 :   ulong const lamports_before = fd_accdb_ref_lamports( rw->ro );
      26         753 :   ulong const lamports_after  = fd_ulong_max( lamports_before, min_bal );
      27         753 :   fd_accdb_ref_lamports_set( rw, lamports_after      );
      28         753 :   fd_accdb_ref_owner_set   ( rw, &fd_sysvar_owner_id );
      29         753 :   fd_accdb_ref_data_set    ( accdb, rw, data, sz );
      30             : 
      31         753 :   ulong lamports_minted;
      32         753 :   if( FD_UNLIKELY( __builtin_usubl_overflow( lamports_after, lamports_before, &lamports_minted ) ) ) {
      33           0 :     char name[ FD_BASE58_ENCODED_32_SZ ]; fd_base58_encode_32( address->uc, NULL, name );
      34           0 :     FD_LOG_CRIT(( "fd_sysvar_account_update: lamports overflowed: address=%s lamports_before=%lu lamports_after=%lu",
      35           0 :                   name, lamports_before, lamports_after ));
      36           0 :   }
      37             : 
      38         753 :   if( lamports_minted ) {
      39         189 :     ulong cap = fd_bank_capitalization_get( bank );
      40         189 :     fd_bank_capitalization_set( bank, cap+lamports_minted );
      41         189 :   }
      42             : 
      43         753 :   fd_hashes_update_lthash( fd_accdb_ref_address( rw->ro ), rw->meta, prev_hash, bank, capture_ctx );
      44         753 :   fd_accdb_close_rw( accdb, rw );
      45             : 
      46         753 :   if( FD_UNLIKELY( fd_log_level_logfile()<=0 || fd_log_level_stderr()<=0 ) ) {
      47           0 :     char name[ FD_BASE58_ENCODED_32_SZ ]; fd_base58_encode_32( address->uc, NULL, name );
      48           0 :     FD_LOG_DEBUG(( "Updated sysvar: address=%s data_sz=%lu lamports=%lu lamports_minted=%lu",
      49           0 :                    name, sz, lamports_after, lamports_minted ));
      50           0 :   }
      51         753 : }
      52             : 
      53             : int
      54             : fd_sysvar_instr_acct_check( fd_exec_instr_ctx_t const * ctx,
      55             :                             ulong                       idx,
      56           0 :                             fd_pubkey_t const *         addr_want ) {
      57             : 
      58           0 :   if( FD_UNLIKELY( idx >= ctx->instr->acct_cnt ) ) {
      59           0 :     return FD_EXECUTOR_INSTR_ERR_MISSING_ACC;
      60           0 :   }
      61             : 
      62           0 :   ushort idx_in_txn = ctx->instr->accounts[idx].index_in_transaction;
      63           0 :   fd_pubkey_t const * addr_have = &ctx->txn_out->accounts.keys[ idx_in_txn ];
      64           0 :   if( FD_UNLIKELY( 0!=memcmp( addr_have, addr_want, sizeof(fd_pubkey_t) ) ) ) {
      65           0 :     return FD_EXECUTOR_INSTR_ERR_INVALID_ARG;
      66           0 :   }
      67             : 
      68           0 :   return FD_EXECUTOR_INSTR_SUCCESS;
      69           0 : }