chore: Add a stub of an E2E test

test/e2e/tests/assets/kurtosis_args_isthmus.yaml

@@ -0,0 +1,20 @@
+ethereum_package:
+  participants:
+    - el_type: reth
+      cl_type: lighthouse
+optimism_package:
+  op_contract_deployer_params:
+    image: us-docker.pkg.dev/oplabs-tools-artifacts/images/op-deployer:v0.0.11
+  chains:
+    - network_params:
+        isthmus_time_offset: 0
+      participants:
+      - el_type: op-geth
+        el_image: us-docker.pkg.dev/oplabs-tools-artifacts/images/op-geth:latest
+        cl_type: op-node
+        cl_image: us-docker.pkg.dev/oplabs-tools-artifacts/images/op-node:develop
+        cl_extra_params:
+          - "--l1.trustrpc=true"
+      batcher_params:
+        extra_params:
+          - "--throttle-interval=0"

test/e2e/tests/isthmus.bats

@@ -0,0 +1,33 @@
+setup() {
+    load "../lib/bats-support/load.bash"
+    load "../lib/bats-assert/load.bash"
+}
+
+teardown() {
+
+}
+
+@test "should have isthmus time if isthmus_time_offset is configured" {
+    local ENCLAVE_ID=op-isthmus--001
+
+    # First we start the enclave
+    run kurtosis run --enclave $ENCLAVE_ID . --args-file test/e2e/tests/assets/kurtosis_args_isthmus.yaml
+    assert_success
+
+    # We get the UUID of the op-geth service
+    local OP_GETH_SERVICE_UUID=$(kurtosis enclave inspect $ENCLAVE_ID --full-uuids| grep op-el-1-op-geth-op-node-op-kurtosis | awk '{print $1;}')
+    assert [ -n "$OP_GETH_SERVICE_UUID" ]
+
+    # Now we find its RPC URL
+    local OP_GETH_RPC_URL=$(kurtosis service inspect $ENCLAVE_ID $OP_GETH_SERVICE_UUID | grep ' rpc:' | awk '{print $4;}')
+    assert [ -n "$OP_GETH_RPC_URL" ]
+
+    # We ask the RPC for the node info
+    local OP_GETH_NODE_INFO_JSON=$(curl -s -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","method":"admin_nodeInfo","params":[],"id":1}' $OP_GETH_RPC_URL)
+
+    # And finally we find the isthmusTime and make sure it's defined
+    local OP_GETH_ISTHMUS_TIME=$(jq '.result.protocols.eth.config.isthmusTime' <<< $OP_GETH_NODE_INFO_JSON)
+    assert_equal "$OP_GETH_ISTHMUS_TIME" "0"
+
+    kurtosis enclave rm -f $ENCLAVE_ID
+}