deployment: add native config layers for the testing overlays

deployments/sequencer/configs/overlays/hybrid/testing/all-constructs/chain_params.jsonnet

@@ -0,0 +1,33 @@
+// chain_params for the `testing/all-constructs` overlay (hybrid layout): clearly-dummy per-chain
+// values plus dummy overrides of the applicative-config defaults, the minimum for native synth to
+// succeed. NONE of these are deployed anywhere; the synth this overlay feeds is only `kubectl
+// validate`d for manifest structure, never for config content.
+{
+  mandatory: {
+    chain_id: 'SN_DUMMY',
+    starknet_url: 'http://dummy-starknet/',
+    recorder_url: 'http://dummy-recorder/',
+    starknet_contract_address: '0x0',
+    base_layer: {
+      bpo1_start_block_number: 0,
+      bpo2_start_block_number: 0,
+      fusaka_no_bpo_start_block_number: 0,
+    },
+    staking_default_committee: '0,10:0x64,1,0x1,true',
+    proof_archive_bucket_name: '',
+    nodes_at_same_cluster: true,
+    topology: import 'lib/layouts/hybrid.libsonnet',
+  },
+  consensus_bootstrap_peer_multiaddr: null,
+  mempool_bootstrap_peer_multiaddr: null,
+
+  // Overrides of the applicative-config defaults; each falls back to `default_replacers` when absent.
+  // Dummy values; nothing here is deployed.
+  native_classes_whitelist: 'All',
+  n_concurrent_txs: 1,
+  n_execution_workers: 1,
+  committer_cache_size: 1000000,
+  audited_libfuncs_only: false,
+  central_sync_client_config: null,
+  p2p_sync_client_config: {},
+}

deployments/sequencer/configs/overlays/hybrid/testing/all-constructs/node.jsonnet

@@ -0,0 +1,7 @@
+// Full per-service SequencerNodeConfig for the `testing/all-constructs` overlay (self-contained testing overlay).
+// Evaluate: jsonnet -J <repo>/crates/apollo_deployments/jsonnet node.jsonnet
+local build = import 'lib/build.libsonnet';
+build.build({
+  chain_params: import './chain_params.jsonnet',
+  node_params: { validator_id: '0x64', node_index: 0 },
+})

deployments/sequencer/configs/overlays/hybrid/testing/node-0/chain_params.jsonnet

@@ -0,0 +1,40 @@
+// chain_params for the `testing/node-0` overlay (hybrid layout): the mandatory per-chain values plus
+// this overlay's overrides of the applicative-config defaults (the latter fall back to
+// `default_replacers`). Read directly by the applicative config. Functional overlay deployed by
+// `hybrid_system_test.yaml`.
+{
+  mandatory: {
+    chain_id: 'CHAIN_ID_SUBDIR',
+    starknet_url: 'https://integration-sepolia.starknet.io/',
+    recorder_url: 'http://dummy-recorder-service.dummy-recorder.svc.cluster.local:8080',
+    starknet_contract_address: '0x5FbDB2315678afecb367f032d93F642f64180aa3',
+    base_layer: {
+      bpo1_start_block_number: 13205504,
+      bpo2_start_block_number: 13410304,
+      fusaka_no_bpo_start_block_number: 13164544,
+    },
+    staking_default_committee: '0,100:0x64,1,0x1,true',
+    proof_archive_bucket_name: '',
+    nodes_at_same_cluster: true,
+    topology: import 'lib/layouts/hybrid.libsonnet',
+  },
+  consensus_bootstrap_peer_multiaddr: null,
+  mempool_bootstrap_peer_multiaddr: null,
+
+  // Overrides of the applicative-config defaults; each falls back to `default_replacers` when absent.
+  native_classes_whitelist: 'All',
+  eth_fee_token_address: '0x1001',
+  strk_fee_token_address: '0x1002',
+  proposer_idle_detection_delay_millis: 2000,
+  n_execution_workers: 28,
+  committer_cache_size: 1000000,
+  proposal_timeout_max: 15.0,
+  min_gas_price: 3000000000,
+  audited_libfuncs_only: false,
+  compare_retrospective_block_hash: false,
+  central_sync_client_config: null,
+  p2p_sync_client_config: {},
+  state_sync_network_config: {
+    port: 55010,
+  },
+}

deployments/sequencer/configs/overlays/hybrid/testing/node-0/node.jsonnet

@@ -0,0 +1,7 @@
+// Full per-service SequencerNodeConfig for the `testing/node-0` overlay (self-contained testing overlay).
+// Evaluate: jsonnet -J <repo>/crates/apollo_deployments/jsonnet node.jsonnet
+local build = import 'lib/build.libsonnet';
+build.build({
+  chain_params: import './chain_params.jsonnet',
+  node_params: { validator_id: '0x64', node_index: 0 },
+})

deployments/sequencer/test/test_env_overlay_parity.py

@@ -1,10 +1,12 @@
-"""Parity test: each env overlay's bucketed native config matches its YAML `config.sequencerConfig`.
+"""Parity test: each overlay's bucketed native config matches its YAML `config.sequencerConfig`.
 
 Asserts every key set by the layer's bucketed jsonnet (chain_params, flattened) exists in
-the layer's folded YAML sequencerConfig with an equal value.
+the layer's folded YAML sequencerConfig with an equal value. Covers the sepolia/mainnet env overlays
+and the `testing/*` overlays (node-0, all-constructs).
 
-Skips when the YAML `config.sequencerConfig` has been removed downstack (at `drop-yaml-sequencer-config`),
-so the test self-disables past that point instead of failing on a missing comparison source.
+Skips when the YAML `config.sequencerConfig` is absent (either removed downstack at
+`drop-yaml-sequencer-config`, or a structure-only stub like `all-constructs` whose sole entry is a
+folded-away `components.*` marker), so the test self-disables instead of failing on a missing source.
 """
 
 import json
@@ -178,3 +180,11 @@ def test_sepolia_alpha_native_matches_yaml():
 
 def test_mainnet_native_matches_yaml():
     assert_env_overlay_matches_yaml(HYBRID_OVERLAYS_DIR / "mainnet")
+
+
+def test_node_0_native_matches_yaml():
+    assert_env_overlay_matches_yaml(HYBRID_OVERLAYS_DIR / "testing" / "node-0")
+
+
+def test_all_constructs_native_matches_yaml():
+    assert_env_overlay_matches_yaml(HYBRID_OVERLAYS_DIR / "testing" / "all-constructs")