Make max_blobs_per_block a config parameter (#6329)

* First pass

* Add restrictions to RuntimeVariableList api

* Use empty_uninitialized and fix warnings

* Fix some todos

* Merge branch 'unstable' into max-blobs-preset

* Fix take impl on RuntimeFixedList

* cleanup

* Fix test compilations

* Fix some more tests

* Fix test from unstable

* Merge branch 'unstable' into max-blobs-preset

* Merge remote-tracking branch 'origin/unstable' into max-blobs-preset

* Remove footgun function

* Minor simplifications

* Move from preset to config

* Fix typo

* Revert "Remove footgun function"

This reverts commit de01f923c7.

* Try fixing tests

* Thread through ChainSpec

* Fix release tests

* Move RuntimeFixedVector into module and rename

* Add test

* Remove empty RuntimeVarList awefullness

* Fix tests

* Simplify BlobSidecarListFromRoot

* Merge remote-tracking branch 'origin/unstable' into max-blobs-preset

* Bump quota to account for new target (6)

* Remove clone

* Fix issue from review

* Try to remove ugliness

* Merge branch 'unstable' into max-blobs-preset

* Fix max value

* Fix doctest

* Fix formatting

* Fix max check

* Delete hardcoded max_blobs_per_block in RPC limits

* Merge remote-tracking branch 'origin/unstable' into max-blobs-preset

testing/node_test_rig/src/lib.rs

@@ -7,6 +7,7 @@ use environment::RuntimeContext;
 use eth2::{reqwest::ClientBuilder, BeaconNodeHttpClient, Timeouts};
 use sensitive_url::SensitiveUrl;
 use std::path::PathBuf;
+use std::sync::Arc;
 use std::time::Duration;
 use std::time::{SystemTime, UNIX_EPOCH};
 use tempfile::{Builder as TempBuilder, TempDir};
@@ -248,8 +249,14 @@ impl<E: EthSpec> LocalExecutionNode<E> {
         if let Err(e) = std::fs::write(jwt_file_path, config.jwt_key.hex_string()) {
             panic!("Failed to write jwt file {}", e);
         }
+        let spec = Arc::new(E::default_spec());
         Self {
-            server: MockServer::new_with_config(&context.executor.handle().unwrap(), config, None),
+            server: MockServer::new_with_config(
+                &context.executor.handle().unwrap(),
+                config,
+                spec,
+                None,
+            ),
             datadir,
         }
     }