fix: add missing flags to rbuilder (#947)

Author: barnabasbusa

.github/tests/mev-pectra.yaml

@@ -45,6 +45,7 @@ mev_params:
   mev_builder_cl_image: sigp/lighthouse:v7.0.0-beta.5
   mev_builder_image: ethpandaops/reth-rbuilder:develop-01c8071
 
+
 network_params:
   electra_fork_epoch: 1
   min_validator_withdrawability_delay: 1

.github/tests/mev.yaml

@@ -5,10 +5,9 @@ participants:
 
 mev_type: flashbots
 mev_params:
-  mev_builder_extra_args: ["--engine.persistence-threshold=0", "--engine.memory-block-buffer-target=0"]
-  mev_builder_image: ethpandaops/reth-rbuilder:devnet6-fdeb4d6
-  mev_relay_image: ethpandaops/mev-boost-relay:electra
-  mev_boost_image: ethpandaops/mev-boost:electra
+  mev_builder_image: ethpandaops/reth-rbuilder:develop
+  mev_relay_image: ethpandaops/mev-boost-relay:main
+  mev_boost_image: ethpandaops/mev-boost:develop
 
 additional_services:
   - tx_fuzz

src/el/reth/reth_launcher.star

@@ -240,6 +240,8 @@ def get_config(
         image = launcher.mev_params.mev_builder_image
         cl_client_name = service_name.split("-")[4]
         cmd.append("--rbuilder.config=" + flashbots_rbuilder.MEV_FILE_PATH_ON_CONTAINER)
+        cmd.append("--engine.persistence-threshold=0")
+        cmd.append("--engine.memory-block-buffer-target=0")
         files[
             flashbots_rbuilder.MEV_BUILDER_MOUNT_DIRPATH_ON_SERVICE
         ] = flashbots_rbuilder.MEV_BUILDER_FILES_ARTIFACT_NAME