Make withdrawals_root field optional, fix empty HTTP urls before re…

…quest (#932)

CHANGELOG.md

@@ -14,6 +14,8 @@ The format is based on [Keep a Changelog], and this project adheres to [Semantic
 
 - cli: Do not consider config as oneshot if `tezos.tzkt.head` index is present.
 - codegen: Allow dots to be used in typenames indicating nested packages.
+- evm.node: Make `withdrawals_root` field optional in `EvmNodeHeadData` model.
+- http: Fixed crash on some datasource URLs.
 
 ### Performance
 

src/dipdup/http.py

@@ -217,7 +217,7 @@ async def _request(
         """Wrapped aiohttp call with preconfigured headers and ratelimiting"""
         metrics.inc(f'{self._alias}:requests_total', 1.0)
         if not url:
-            url = self._path
+            url = self._path or '/'
         elif url.startswith('http'):
             url = url.replace(self._url, '').rstrip('/')
         else:

src/dipdup/models/evm_node.py

@@ -54,7 +54,7 @@ class EvmNodeHeadData:
     gas_used: int
     timestamp: int
     base_fee_per_gas: int
-    withdrawals_root: str
+    withdrawals_root: str | None
     nonce: str
     mix_hash: str
 
@@ -76,7 +76,7 @@ def from_json(cls, block_json: dict[str, Any]) -> 'EvmNodeHeadData':
             gas_used=int(block_json['gasUsed'], 16),
             timestamp=int(block_json['timestamp'], 16),
             base_fee_per_gas=int(block_json['baseFeePerGas'], 16),
-            withdrawals_root=block_json['withdrawalsRoot'],
+            withdrawals_root=block_json.get('withdrawalsRoot', None),
             nonce=block_json['nonce'],
             mix_hash=block_json['mixHash'],
         )