ethpandaops · mslipper · Jan 3, 2025 · Dec 18, 2024
diff --git a/README.md b/README.md
@@ -298,6 +298,34 @@ optimism_package:
         # A list of optional extra params that will be passed to the batcher container for modifying its behaviour
         extra_params: []
 
+      # Default challenger configuration
+      challenger_params:
+        # The Docker image that should be used for the challenger; leave blank to use the default op-challenger image
+        image: ""
+
+        # A list of optional extra params that will be passed to the challenger container for modifying its behaviour
+        extra_params: []
+
+        # Path to folder containing cannon prestate-proof.json file
+        cannon_prestates_path: "static_files/prestates"
+
+        # Base URL to absolute prestates to use when generating trace data.
+        cannon_prestates_url: ""
+
+      # Default proposer configuration
+      proposer_params:
+        # The Docker image that should be used for the proposer; leave blank to use the default op-proposer image
+        image: ""
+
+        # A list of optional extra params that will be passed to the proposer container for modifying its behaviour
+        extra_params: []
+
+        # Dispute game type to create via the configured DisputeGameFactory
+        game_type: 1
+
+        # Interval between submitting L2 output proposals
+        proposal_internal: 10m
+
       # Default MEV configuration
       mev_params:
         # The Docker image that should be used for rollup boost; leave blank to use the default rollup-boost image

diff --git a/src/challenger/op-challenger/op_challenger_launcher.star b/src/challenger/op-challenger/op_challenger_launcher.star
@@ -0,0 +1,118 @@
+ethereum_package_shared_utils = import_module(
+    "github.com/ethpandaops/ethereum-package/src/shared_utils/shared_utils.star"
+)
+
+ethereum_package_constants = import_module(
+    "github.com/ethpandaops/ethereum-package/src/package_io/constants.star"
+)
+
+#
+#  ---------------------------------- Challenger client -------------------------------------
+CHALLENGER_DATA_DIRPATH_ON_SERVICE_CONTAINER = "/data/op-challenger/op-challenger-data"
+ENTRYPOINT_ARGS = ["sh", "-c"]
+
+
+def get_used_ports():
+    used_ports = {}
+    return used_ports
+
+
+def launch(
+    plan,
+    service_name,
+    image,
+    el_context,
+    cl_context,
+    l1_config_env_vars,
+    gs_challenger_private_key,
+    game_factory_address,
+    deployment_output,
+    network_params,
+    challenger_params,
+):
+    challenger_service_name = "{0}".format(service_name)
+
+    config = get_challenger_config(
+        plan,
+        service_name,
+        image,
+        el_context,
+        cl_context,
+        l1_config_env_vars,
+        gs_challenger_private_key,
+        game_factory_address,
+        deployment_output,
+        network_params,
+        challenger_params,
+    )
+
+    challenger_service = plan.add_service(service_name, config)
+
+    return "op_challenger"
+
+
+def get_challenger_config(
+    plan,
+    service_name,
+    image,
+    el_context,
+    cl_context,
+    l1_config_env_vars,
+    gs_challenger_private_key,
+    game_factory_address,
+    deployment_output,
+    network_params,
+    challenger_params,
+):
+    cmd = [
+        "op-challenger",
+        "--cannon-l2-genesis="
+        + ethereum_package_constants.GENESIS_DATA_MOUNTPOINT_ON_CLIENTS
+        + "/genesis-{0}.json".format(network_params.network_id),
+        "--cannon-rollup-config="
+        + ethereum_package_constants.GENESIS_DATA_MOUNTPOINT_ON_CLIENTS
+        + "/rollup-{0}.json".format(network_params.network_id),
+        "--game-factory-address=" + game_factory_address,
+        "--datadir=" + CHALLENGER_DATA_DIRPATH_ON_SERVICE_CONTAINER,
+        "--l1-beacon=" + l1_config_env_vars["CL_RPC_URL"],
+        "--l1-eth-rpc=" + l1_config_env_vars["L1_RPC_URL"],
+        "--l2-eth-rpc=" + el_context.rpc_http_url,
+        "--private-key=" + gs_challenger_private_key,
+        "--rollup-rpc=" + cl_context.beacon_http_url,
+        "--trace-type=" + "cannon,permissioned",
+    ]
+    files = {
+        ethereum_package_constants.GENESIS_DATA_MOUNTPOINT_ON_CLIENTS: deployment_output,
+    }
+
+    if (
+        challenger_params.cannon_prestate_path
+        and challenger_params.cannon_prestates_url
+    ):
+        fail("Only one of cannon_prestate_path and cannon_prestates_url can be set")
+    elif challenger_params.cannon_prestate_path:
+        cannon_prestate_artifact = plan.upload_files(
+            src=challenger_params.cannon_prestate_path,
+            name="{}-prestates".format(service_name),
+        )
+        files["/prestates"] = cannon_prestate_artifact
+        cmd.append("--cannon-prestate=/prestates/prestate-proof.json")
+    elif challenger_params.cannon_prestates_url:
+        cmd.append("--cannon-prestates-url=" + challenger_params.cannon_prestates_url)
+    else:
+        fail("One of cannon_prestate_path or cannon_prestates_url must be set")
+
+    cmd += challenger_params.extra_params
+    cmd = "mkdir -p {0} && {1}".format(
+        CHALLENGER_DATA_DIRPATH_ON_SERVICE_CONTAINER, " ".join(cmd)
+    )
+
+    ports = get_used_ports()
+    return ServiceConfig(
+        image=image,
+        ports=ports,
+        entrypoint=ENTRYPOINT_ARGS,
+        cmd=[cmd],
+        files=files,
+        private_ip_address_placeholder=ethereum_package_constants.PRIVATE_IP_ADDRESS_PLACEHOLDER,
+    )
diff --git a/src/cl/op-node/op_node_launcher.star b/src/cl/op-node/op_node_launcher.star
@@ -178,6 +178,7 @@ def get_beacon_config(
         "--p2p.listen.ip=0.0.0.0",
         "--p2p.listen.tcp={0}".format(BEACON_DISCOVERY_PORT_NUM),
         "--p2p.listen.udp={0}".format(BEACON_DISCOVERY_PORT_NUM),
+        "--safedb.path={0}".format(BEACON_DATA_DIRPATH_ON_SERVICE_CONTAINER),
     ]
 
     sequencer_private_key = util.read_network_config_value(

diff --git a/src/l2.star b/src/l2.star
@@ -24,6 +24,7 @@ def launch_l2(
 ):
     network_params = l2_args.network_params
     batcher_params = l2_args.batcher_params
+    challenger_params = l2_args.challenger_params
     proposer_params = l2_args.proposer_params
     mev_params = l2_args.mev_params
 
@@ -39,6 +40,7 @@ def launch_l2(
         jwt_file,
         network_params,
         batcher_params,
+        challenger_params,
         proposer_params,
         mev_params,
         deployment_output,

diff --git a/src/package_io/input_parser.star b/src/package_io/input_parser.star
@@ -21,6 +21,10 @@ DEFAULT_BATCHER_IMAGES = {
     "op-batcher": "us-docker.pkg.dev/oplabs-tools-artifacts/images/op-batcher:develop",
 }
 
+DEFAULT_CHALLENGER_IMAGES = {
+    "op-challenger": "us-docker.pkg.dev/oplabs-tools-artifacts/images/op-challenger:develop",
+}
+
 DEFAULT_PROPOSER_IMAGES = {
     "op-proposer": "us-docker.pkg.dev/oplabs-tools-artifacts/images/op-proposer:develop",
 }
@@ -108,6 +112,16 @@ def input_parser(plan, input_args):
                     image=result["batcher_params"]["image"],
                     extra_params=result["batcher_params"]["extra_params"],
                 ),
+                challenger_params=struct(
+                    image=result["challenger_params"]["image"],
+                    extra_params=result["challenger_params"]["extra_params"],
+                    cannon_prestate_path=result["challenger_params"][
+                        "cannon_prestate_path"
+                    ],
+                    cannon_prestates_url=result["challenger_params"][
+                        "cannon_prestates_url"
+                    ],
+                ),
                 proposer_params=struct(
                     image=result["proposer_params"]["image"],
                     extra_params=result["proposer_params"]["extra_params"],
@@ -152,6 +166,9 @@ def parse_network_params(plan, input_args):
         batcher_params = default_batcher_params()
         batcher_params.update(chain.get("batcher_params", {}))
 
+        challenger_params = default_challenger_params()
+        challenger_params.update(chain.get("challenger_params", {}))
+
         proposer_params = default_proposer_params()
         proposer_params.update(chain.get("proposer_params", {}))
 
@@ -230,6 +247,7 @@ def parse_network_params(plan, input_args):
             "participants": participants,
             "network_params": network_params,
             "batcher_params": batcher_params,
+            "challenger_params": challenger_params,
             "proposer_params": proposer_params,
             "mev_params": mev_params,
             "additional_services": chain.get(
@@ -273,6 +291,7 @@ def default_chains():
             "participants": [default_participant()],
             "network_params": default_network_params(),
             "batcher_params": default_batcher_params(),
+            "challenger_params": default_challenger_params(),
             "proposer_params": default_proposer_params(),
             "mev_params": default_mev_params(),
             "additional_services": DEFAULT_ADDITIONAL_SERVICES,
@@ -302,6 +321,15 @@ def default_batcher_params():
     }
 
 
+def default_challenger_params():
+    return {
+        "image": "",
+        "extra_params": [],
+        "cannon_prestate_path": "../../../static_files/prestates",
+        "cannon_prestates_url": "",
+    }
+
+
 def default_proposer_params():
     return {
         "image": "",

diff --git a/src/package_io/sanity_check.star b/src/package_io/sanity_check.star
@@ -48,6 +48,12 @@ SUBCATEGORY_PARAMS = {
         "fund_dev_accounts",
     ],
     "batcher_params": ["image", "extra_params"],
+    "challenger_params": [
+        "image",
+        "extra_params",
+        "cannon_prestate_path",
+        "cannon_prestates_url",
+    ],
     "proposer_params": ["image", "extra_params", "game_type", "proposal_interval"],
     "mev_params": ["rollup_boost_image", "builder_host", "builder_port"],
 }

diff --git a/src/participant_network.star b/src/participant_network.star
@@ -2,6 +2,9 @@ el_cl_client_launcher = import_module("./el_cl_launcher.star")
 participant_module = import_module("./participant.star")
 input_parser = import_module("./package_io/input_parser.star")
 op_batcher_launcher = import_module("./batcher/op-batcher/op_batcher_launcher.star")
+op_challenger_launcher = import_module(
+    "./challenger/op-challenger/op_challenger_launcher.star"
+)
 op_proposer_launcher = import_module("./proposer/op-proposer/op_proposer_launcher.star")
 util = import_module("./util.star")
 
@@ -12,6 +15,7 @@ def launch_participant_network(
     jwt_file,
     network_params,
     batcher_params,
+    challenger_params,
     proposer_params,
     mev_params,
     deployment_output,
@@ -88,6 +92,30 @@ def launch_participant_network(
         "state",
         ".opChainDeployments[{0}].disputeGameFactoryProxyAddress".format(l2_num),
     )
+    challenger_key = util.read_network_config_value(
+        plan,
+        deployment_output,
+        "challenger-{0}".format(network_params.network_id),
+        ".privateKey",
+    )
+    op_challenger_image = (
+        challenger_params.image
+        if challenger_params.image != ""
+        else input_parser.DEFAULT_CHALLENGER_IMAGES["op-challenger"]
+    )
+    op_challenger_launcher.launch(
+        plan,
+        "op-challenger-{0}".format(l2_services_suffix),
+        op_challenger_image,
+        all_el_contexts[0],
+        all_cl_contexts[0],
+        l1_config_env_vars,
+        challenger_key,
+        game_factory_address,
+        deployment_output,
+        network_params,
+        challenger_params,
+    )
 
     proposer_key = util.read_network_config_value(
         plan,

diff --git a/static_files/prestates/prestate-proof.json b/static_files/prestates/prestate-proof.json
@@ -0,0 +1,8 @@
+{
+  "step": 0,
+  "pre": "0x03ce1018d75e7f6fbd5e815d64376e1e82a1334456d5a50be0afabeb17a8a421",
+  "post": "0x0315e881131ef96baffee5184c11c953c7fdfd9285c718cb1ac54a6283c0ea5f",
+  "state-data": "0x7918ea9554d1b92c840422beadbbd557fa73e66054bc7e06e4c3100367d1e07e000000000000000000000000000000000000000000000000000000000000000000000000000b8e60000b8e640000000000000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007fffd0000000000000000000",
+  "proof-data": "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"
+}
+