feat: add light-beaconchain-explorer (#125)

Changelog picked up from commits here:

feat: add light-beaconchain-explorer

main.star

@@ -8,6 +8,7 @@ transaction_spammer = import_module("github.com/kurtosis-tech/eth2-package/src/t
 cl_forkmon = import_module("github.com/kurtosis-tech/eth2-package/src/cl_forkmon/cl_forkmon_launcher.star")
 el_forkmon = import_module("github.com/kurtosis-tech/eth2-package/src/el_forkmon/el_forkmon_launcher.star")
 beacon_metrics_gazer = import_module("github.com/kurtosis-tech/eth2-package/src/beacon_metrics_gazer/beacon_metrics_gazer_launcher.star")
+light_beaconchain_explorer = import_module("github.com/kurtosis-tech/eth2-package/src/light_beaconchain/light_beaconchain_launcher.star")
 prometheus = import_module("github.com/kurtosis-tech/eth2-package/src/prometheus/prometheus_launcher.star")
 grafana =import_module("github.com/kurtosis-tech/eth2-package/src/grafana/grafana_launcher.star")
 testnet_verifier = import_module("github.com/kurtosis-tech/eth2-package/src/testnet_verifier/testnet_verifier.star")
@@ -119,6 +120,11 @@ def run(plan, args):
 	beacon_metrics_gazer.launch_beacon_metrics_gazer(plan, beacon_metrics_gazer_config_template, all_cl_client_contexts,network_params)
 	plan.print("Succesfully launched beacon metrics gazer")
 
+	plan.print("Launching light-beaconchain-explorer")
+	light_beaconchain_explorer_config_template = read_file(static_files.LIGHT_BEACONCHAIN_CONFIG_TEMPLATE_FILEPATH)
+	light_beaconchain_explorer.launch_light_beacon(plan, light_beaconchain_explorer_config_template, all_cl_client_contexts)
+	plan.print("Succesfully light-beaconchain-explorer")
+
 	plan.print("Launching prometheus...")
 	prometheus_private_url = prometheus.launch_prometheus(
 		plan,

src/beacon_metrics_gazer/beacon_metrics_gazer_launcher.star

@@ -7,7 +7,7 @@ IMAGE_NAME = "dapplion/beacon-metrics-gazer:latest"
 HTTP_PORT_ID     = "http"
 HTTP_PORT_NUMBER = 8080
 
-BEACON_METRICS_GAZER_CONFIG_FILENAME = "beacon-metrics-gazer-ranges.yaml"
+BEACON_METRICS_GAZER_CONFIG_FILENAME = "validator-ranges.yaml"
 
 BEACON_METRICS_GAZER_CONFIG_MOUNT_DIRPATH_ON_SERVICE = "/config"
 
@@ -35,7 +35,7 @@ def launch_beacon_metrics_gazer(
 	template_and_data_by_rel_dest_filepath = {}
 	template_and_data_by_rel_dest_filepath[BEACON_METRICS_GAZER_CONFIG_FILENAME] = shared_utils.new_template_and_data(config_template, template_data)
 
-	config_files_artifact_name = plan.render_templates(template_and_data_by_rel_dest_filepath, "beacon-metrics-gazer-config")
+	config_files_artifact_name = plan.render_templates(template_and_data_by_rel_dest_filepath, "validator-ranges")
 
 	config = get_config(
 		config_files_artifact_name,
@@ -59,7 +59,7 @@ def get_config(
 		cmd = [
 			"http://{0}:{1}".format(ip_addr, http_port_num),
 			"--ranges-file",
-			"/config/{0}".format(BEACON_METRICS_GAZER_CONFIG_FILENAME),
+			config_file_path,
 			"--port",
 			"{0}".format(HTTP_PORT_NUMBER),
 			"--address",

src/light_beaconchain/light_beaconchain_launcher.star

@@ -0,0 +1,77 @@
+shared_utils = import_module("github.com/kurtosis-tech/eth2-package/src/shared_utils/shared_utils.star")
+
+
+SERVICE_NAME = "light-beaconchain"
+IMAGE_NAME = "pk910/light-beaconchain-explorer:latest"
+
+HTTP_PORT_ID     = "http"
+HTTP_PORT_NUMBER = 8080
+
+LIGHT_BEACONCHAIN_CONFIG_FILENAME = "light-beaconchain-config.yaml"
+
+LIGHT_BEACONCHAIN_CONFIG_MOUNT_DIRPATH_ON_SERVICE = "/config"
+
+VALIDATOR_RANGES_MOUNT_DIRPATH_ON_SERVICE = "/validator-ranges"
+VALIDATOR_RANGES_ARTIFACT_NAME = "validator-ranges"
+
+CL_CONFIG_MOUNT_DIRPATH_ON_SERVICE = "/cl-genesis-data"
+CL_CONFIG_ARTIFACT_NAME = "cl-genesis-data"
+
+
+USED_PORTS = {
+	HTTP_PORT_ID:shared_utils.new_port_spec(HTTP_PORT_NUMBER, shared_utils.TCP_PROTOCOL, shared_utils.HTTP_APPLICATION_PROTOCOL)
+}
+
+
+def launch_light_beacon(
+		plan,
+		config_template,
+		cl_client_contexts,
+	):
+
+	cl_client_info = []
+	cl_client_info.append(new_cl_client_info(cl_client_contexts[0].ip_addr, cl_client_contexts[0].http_port_num, cl_client_contexts[0].beacon_service_name))
+
+	template_data = new_config_template_data(HTTP_PORT_NUMBER, cl_client_info)
+
+	template_and_data = shared_utils.new_template_and_data(config_template, template_data)
+	template_and_data_by_rel_dest_filepath = {}
+	template_and_data_by_rel_dest_filepath[LIGHT_BEACONCHAIN_CONFIG_FILENAME] = template_and_data
+
+	config_files_artifact_name = plan.render_templates(template_and_data_by_rel_dest_filepath, "light-beaconchain-config")
+
+	config = get_config(config_files_artifact_name)
+
+	plan.add_service(SERVICE_NAME, config)
+
+def get_config(config_files_artifact_name):
+	config_file_path = shared_utils.path_join(LIGHT_BEACONCHAIN_CONFIG_MOUNT_DIRPATH_ON_SERVICE, LIGHT_BEACONCHAIN_CONFIG_FILENAME)
+	return ServiceConfig(
+		image = IMAGE_NAME,
+		ports = USED_PORTS,
+		files = {
+			LIGHT_BEACONCHAIN_CONFIG_MOUNT_DIRPATH_ON_SERVICE: config_files_artifact_name,
+			VALIDATOR_RANGES_MOUNT_DIRPATH_ON_SERVICE: VALIDATOR_RANGES_ARTIFACT_NAME,
+			CL_CONFIG_MOUNT_DIRPATH_ON_SERVICE: CL_CONFIG_ARTIFACT_NAME
+
+		},
+		cmd = [
+			"-config",
+			config_file_path
+			]
+	)
+
+
+def new_config_template_data(listen_port_num, cl_client_info):
+	return {
+		"ListenPortNum": listen_port_num,
+		"CLClientInfo": cl_client_info,
+	}
+
+
+def new_cl_client_info(ip_addr, port_num, service_name):
+	return {
+		"IPAddr": ip_addr,
+		"PortNum": port_num,
+		"Name": service_name
+	}

src/static_files/static_files.star

@@ -17,6 +17,9 @@ PROMETHEUS_CONFIG_TEMPLATE_FILEPATH = STATIC_FILES_DIRPATH + \
 BEACON_METRICS_GAZER_CONFIG_TEMPLATE_FILEPATH = STATIC_FILES_DIRPATH + \
 	"/beacon-metrics-gazer-config/config.yaml.tmpl"
 
+LIGHT_BEACONCHAIN_CONFIG_TEMPLATE_FILEPATH = STATIC_FILES_DIRPATH + \
+	"/light-beaconchain-config/config.yaml.tmpl"
+
 # Grafana config
 GRAFANA_CONFIG_DIRPATH = "/grafana-config"
 GRAFANA_DATASOURCE_CONFIG_TEMPLATE_FILEPATH = STATIC_FILES_DIRPATH + \

static_files/light-beaconchain-config/config.yaml.tmpl

@@ -0,0 +1,68 @@
+
+logging:
+  outputLevel: "info"
+  #outputStderr: false
+
+  #filePath: "explorer.log"
+  #fileLevel: "warn"
+
+# Chain network configuration
+chain:
+  name: "kurtosis-testnet"
+  configPath: "/cl-genesis-data/output/config.yaml"
+  displayName: "Kurtosis Testnet"
+
+# HTTP Server configuration
+server:
+  host: "0.0.0.0" # Address to listen on
+  port: "8080" # Port to listen on
+
+frontend:
+  enabled: true # Enable or disable to web frontend
+  debug: false
+  minimize: false # minimize html templates
+
+  # Name of the site, displayed in the title tag
+  siteName: "Beaconchain Light"
+  siteSubtitle: "Kurtosis Testnet"
+
+  # link to EL Explorer
+  ethExplorerLink: ""
+
+  # file or inventory url to load validator names from
+  validatorNamesYaml: "/validator-ranges/validator-ranges.yaml"
+
+beaconapi:
+  # CL Client RPC
+{{ range $clClient := .CLClientInfo }}
+  endpoint: "http://{{ $clClient.IPAddr }}:{{ $clClient.PortNum }}"
+{{- end }}
+  # local cache for page models
+  localCacheSize: 100 # 100MB
+
+  # remote cache for page models
+  redisCacheAddr: ""
+  redisCachePrefix: ""
+
+# indexer keeps track of the latest epochs in memory.
+indexer:
+  # number of epochs to load on startup
+  prepopulateEpochs: 2
+
+  # max number of epochs to keep in memory
+  inMemoryEpochs: 3
+
+  # epoch processing delay (should be >= 2)
+  epochProcessingDelay: 2
+
+  # disable synchronizing and everything that writes to the db (indexer just maintains local cache)
+  disableIndexWriter: false
+
+  # number of seconds to wait between each epoch (don't overload CL client)
+  syncEpochCooldown: 2
+
+
+database:
+  engine: "sqlite"
+  sqlite:
+    file: ":memory:"