Line data    Source code

       1             : #include "fd_acc_mgr.h"
       2             : #include "../../funk/fd_funk.h"
       3             : 
       4             : fd_account_meta_t const *
       5             : fd_funk_get_acc_meta_readonly( fd_funk_t const *         funk,
       6             :                                fd_funk_txn_xid_t const * xid,
       7             :                                fd_pubkey_t const *       pubkey,
       8             :                                fd_funk_rec_t const **    orec,
       9             :                                int *                     opt_err,
      10        4194 :                                fd_funk_txn_xid_t *       out_xid ) {
      11        4194 :   fd_funk_rec_key_t id = fd_funk_acc_key( pubkey );
      12             : 
      13             :   /* When we access this pointer later on in the execution pipeline, we assume that
      14             :      nothing else will change that account. If the account is writable in the solana txn,
      15             :      then we copy the data. If the account is read-only, we do not. This is safe because of
      16             :      the read-write locks that the solana transaction holds on the account. */
      17        4194 :   for( ; ; ) {
      18             : 
      19        4194 :     fd_funk_rec_query_t   query[1];
      20        4194 :     fd_funk_rec_t const * rec = fd_funk_rec_query_try_global( funk, xid, &id, out_xid, query );
      21             : 
      22        4194 :     if( FD_UNLIKELY( !rec ) )  {
      23        3675 :       fd_int_store_if( !!opt_err, opt_err, FD_ACC_MGR_ERR_UNKNOWN_ACCOUNT );
      24        3675 :       return NULL;
      25        3675 :     }
      26         519 :     if( NULL != orec )
      27           0 :       *orec = rec;
      28             : 
      29         519 :     void const * raw = fd_funk_val( rec, fd_funk_wksp(funk) );
      30             : 
      31         519 :     fd_account_meta_t const * metadata = fd_type_pun_const( raw );
      32         519 :     fd_int_store_if( !!opt_err, opt_err, FD_ACC_MGR_SUCCESS );
      33         519 :     return metadata;
      34             : 
      35        4194 :   }
      36             : 
      37             :   /* unreachable */
      38           0 :   return NULL;
      39        4194 : }
      40             : 
      41             : FD_FN_CONST char const *
      42           0 : fd_acc_mgr_strerror( int err ) {
      43           0 :   switch( err ) {
      44           0 :   case FD_ACC_MGR_SUCCESS:
      45           0 :     return "success";
      46           0 :   case FD_ACC_MGR_ERR_UNKNOWN_ACCOUNT:
      47           0 :     return "unknown account";
      48           0 :   default:
      49           0 :     return "unknown";
      50           0 :   }
      51           0 : }