Add auto relayer endpoint (#426)

src/commands/start_api.py

@@ -11,7 +11,7 @@
 from src.common.utils import log_verbose
 from src.common.validators import validate_eth_address
 from src.common.vault_config import VaultConfig
-from src.config.networks import AVAILABLE_NETWORKS
+from src.config.networks import AVAILABLE_NETWORKS, NETWORKS
 from src.config.settings import (
     DEFAULT_MAX_FEE_PER_GAS_GWEI,
     DEFAULT_METRICS_HOST,
@@ -26,6 +26,10 @@
 logger = logging.getLogger(__name__)
 
 
+# Special value used to dynamically determine option value
+AUTO = 'AUTO'
+
+
 @click.option(
     '--data-dir',
     default=str(Path.home() / '.stakewise'),
@@ -183,6 +187,7 @@
     help='Relayer endpoint.',
     prompt='Enter the relayer endpoint',
     envvar='RELAYER_ENDPOINT',
+    default=AUTO,
 )
 @click.command(help='Start operator service')
 # pylint: disable-next=too-many-arguments,too-many-locals
@@ -214,6 +219,13 @@ def start_api(
         vault_config.load()
         network = vault_config.network
 
+    if relayer_endpoint == AUTO and relayer_type == RelayerTypes.DVT:
+        network_config = NETWORKS[network]
+        relayer_endpoint = network_config.DEFAULT_DVT_RELAYER_ENDPOINT
+
+    if relayer_endpoint == AUTO and relayer_type == RelayerTypes.DEFAULT:
+        raise click.ClickException('Relayer endpoint must be specified for default relayer type')
+
     validators_registration_mode = ValidatorsRegistrationMode.API
 
     settings.set(

src/config/networks.py

@@ -44,6 +44,7 @@ class NetworkConfig:
     STAKEWISE_API_URL: str
     RATED_API_URL: str
     CONFIG_UPDATE_EVENT_BLOCK: BlockNumber
+    DEFAULT_DVT_RELAYER_ENDPOINT: str
 
     @property
     def SHAPELLA_FORK(self) -> ConsensusFork:
@@ -109,6 +110,7 @@ def IS_SUPPORT_V2_MIGRATION(self) -> bool:
         STAKEWISE_API_URL='https://mainnet-api.stakewise.io/graphql',
         RATED_API_URL='https://api.rated.network',
         CONFIG_UPDATE_EVENT_BLOCK=BlockNumber(18470104),
+        DEFAULT_DVT_RELAYER_ENDPOINT='https://mainnet-dvt-relayer.stakewise.io',
     ),
     HOLESKY: NetworkConfig(
         CHAIN_ID=17000,
@@ -154,6 +156,7 @@ def IS_SUPPORT_V2_MIGRATION(self) -> bool:
         STAKEWISE_API_URL='https://holesky-api.stakewise.io/graphql',
         RATED_API_URL='https://api.rated.network',
         CONFIG_UPDATE_EVENT_BLOCK=BlockNumber(215397),
+        DEFAULT_DVT_RELAYER_ENDPOINT='https://holesky-dvt-relayer.stakewise.io',
     ),
     GNOSIS: NetworkConfig(
         CHAIN_ID=100,
@@ -201,6 +204,7 @@ def IS_SUPPORT_V2_MIGRATION(self) -> bool:
         STAKEWISE_API_URL='https://gnosis-api.stakewise.io/graphql',
         RATED_API_URL='https://api.rated.network',
         CONFIG_UPDATE_EVENT_BLOCK=BlockNumber(34778569),
+        DEFAULT_DVT_RELAYER_ENDPOINT='gnosis-dvt-relayer.stakewise.io',
     ),
     CHIADO: NetworkConfig(
         CHAIN_ID=10200,
@@ -246,5 +250,6 @@ def IS_SUPPORT_V2_MIGRATION(self) -> bool:
         STAKEWISE_API_URL='https://chiado-api.stakewise.io/graphql',
         RATED_API_URL='https://api.rated.network',
         CONFIG_UPDATE_EVENT_BLOCK=BlockNumber(10627606),
+        DEFAULT_DVT_RELAYER_ENDPOINT='chiado-dvt-relayer.stakewise.io',
     ),
 }