rename fn & fix output type

src/agent0/core/hyperdrive/interactive/local_hyperdrive.py

@@ -318,7 +318,7 @@ def __init__(
 
         # At this point, we've deployed hyperdrive, so we want to save the block where it was deployed
         # for the data pipeline
-        self._deploy_block_number = self.interface.get_deploy_block()
+        self._deploy_block_number = self.interface.get_deploy_block_number()
 
         if deploy:
             # If we're deploying, we expect the deploy block to be set

src/agent0/ethpy/hyperdrive/interface/read_interface.py

@@ -7,6 +7,7 @@
 from typing import TYPE_CHECKING, cast
 
 import eth_abi
+from eth_typing import BlockNumber
 from fixedpointmath import FixedPoint
 from hyperdrivetypes import CheckpointFP
 from hyperdrivetypes.types import (
@@ -85,7 +86,7 @@
 
 if TYPE_CHECKING:
     from eth_account.signers.local import LocalAccount
-    from eth_typing import BlockNumber, ChecksumAddress
+    from eth_typing import ChecksumAddress
 
 AGENT0_SIGNATURE = bytes.fromhex("a0")
 
@@ -290,18 +291,19 @@ def __init__(
         self.last_state_block_number = -1
 
         # Cached deploy block
-        self._deploy_block: None | int = None
+        self._deploy_block: BlockNumber | None = None
         self._deploy_block_checked = False
 
-    def get_deploy_block(self) -> int | None:
-        """Get the block that the Hyperdrive contract was deployed on.
+    def get_deploy_block_number(self) -> BlockNumber | None:
+        """Get the block number that the Hyperdrive contract was deployed on.
 
         NOTE: The deploy event may get lost on e.g., anvil, so we ensure we only check once
 
         Returns
         -------
-        int | None
-            The block that the Hyperdrive contract was deployed on. Returns None if it can't be found.
+        BlockNumber | None
+            The block number that the Hyperdrive contract was deployed on.
+            Returns None if it can't be found.
         """
         if not self._deploy_block_checked:
             self._deploy_block_checked = True
@@ -318,7 +320,7 @@ def get_deploy_block(self) -> int | None:
             if len(initialize_event) == 0:
                 logging.warning("Initialize event not found, can't set deploy_block")
             elif len(initialize_event) == 1:
-                self._deploy_block = initialize_event[0].block_number
+                self._deploy_block = BlockNumber(initialize_event[0].block_number)
             else:
                 raise ValueError("Multiple initialize events found")
 

src/agent0/hyperfuzz/system_fuzz/invariant_checks.py

@@ -287,7 +287,7 @@ def _check_negative_interest(interface: HyperdriveReadInterface, pool_state: Poo
     current_block_time = pool_state.block_time
     current_vault_share_price = pool_state.pool_info.vault_share_price
 
-    deploy_block = interface.get_deploy_block()
+    deploy_block = interface.get_deploy_block_number()
     if deploy_block is None:  # type narrowing
         raise ValueError("Deploy block not found.")
     deploy_block_time = interface.get_block_timestamp(interface.get_block(deploy_block))