Fix zero lamport accounts set with set_accounts

crates/litesvm/src/accounts_db.rs

@@ -94,7 +94,11 @@ impl AccountsDb {
         } else {
             self.maybe_handle_sysvar_account(pubkey, &account)?;
         }
-        self.add_account_no_checks(pubkey, account);
+        if account.lamports() == 0 {
+            self.inner.remove(&pubkey);
+        } else {
+            self.add_account_no_checks(pubkey, account);
+        }
         Ok(())
     }
 
@@ -215,11 +219,7 @@ impl AccountsDb {
                 && x.1.data().first().is_some_and(|byte| *byte == 3)
         });
         for (pubkey, acc) in accounts {
-            if acc.lamports() == 0 {
-                self.inner.remove(&pubkey);
-            } else {
-                self.add_account(pubkey, acc)?;
-            }
+            self.add_account(pubkey, acc)?;
         }
         Ok(())
     }

crates/litesvm/src/lib.rs

@@ -683,9 +683,9 @@ impl LiteSVM {
             .programs_cache
             .replenish(program_id, Arc::new(builtin));
 
-        let mut account = AccountSharedData::new(0, 1, &bpf_loader::id());
+        let mut account = AccountSharedData::new(1, 1, &bpf_loader::id());
         account.set_executable(true);
-        self.accounts.add_account(program_id, account).unwrap();
+        self.accounts.add_account_no_checks(program_id, account);
     }
 
     /// Adds an SBF program to the test environment from the file specified.