Small bug fixes found while unit testing worklock

nucypher/blockchain/eth/actors.py

@@ -115,7 +115,10 @@ class BaseActor:
 
     def __eq__(self, other) -> bool:
         """Actors are equal if they have the same address."""
+        try:
             return bool(self.checksum_address == other.checksum_address)
+        except AttributeError:
+            return False
 
     @property
     def eth_balance(self) -> Decimal:

nucypher/blockchain/eth/agents.py

@@ -1282,7 +1282,8 @@ class WorkLockAgent(EthereumContractAgent):
 
     def is_claiming_available(self) -> bool:
         """Returns True if claiming is available"""
-        return self.contract.functions.isClaimingAvailable().call()
+        result = self.contract.functions.isClaimingAvailable().call()
+        return result
 
     @property
     def next_bidder_to_check(self) -> int:

nucypher/blockchain/eth/clients.py

@@ -436,26 +436,19 @@ class EthereumTesterClient(EthereumClient):
     def unlock_account(self, account, password, duration: int = None) -> bool:
         """Returns True if the testing backend keyring has control of the given address."""
         account = to_canonical_address(account)
-
-        try:
-            # PyEVM backend
-            keystore = self.w3.provider.ethereum_tester.backend._key_lookup
-        except AttributeError:
-            # Mock provider, probably
-            keystore = self.w3.provider.ethereum_tester.backend.get_accounts()
-
-        if account in keystore:
+        keystore_accounts = self.w3.provider.ethereum_tester.backend.get_accounts()
+        if account in keystore_accounts:
             return True
         else:
-            return self.w3.provider.ethereum_tester.unlock_account(account=account,
+            return self.w3.provider.ethereum_tester.unlock_account(account=to_checksum_address(account),
                                                                    password=password,
                                                                    unlock_seconds=duration)
 
     def lock_account(self, account) -> bool:
         """Returns True if the testing backend keyring has control of the given address."""
         account = to_canonical_address(account)
-        keystore = self.w3.provider.ethereum_tester.backend._key_lookup
-        if account in keystore:
+        keystore_accounts = self.w3.provider.ethereum_tester.backend.get_accounts()
+        if account in keystore_accounts:
             return True
         else:
             return self.w3.provider.ethereum_tester.lock_account(account=account)

nucypher/cli/commands/worklock.py

@@ -154,7 +154,8 @@ def bid(general_config, worklock_options, force, hw_wallet, value):
     worklock_agent = ContractAgency.get_agent(WorkLockAgent, registry=registry)  # type: WorkLockAgent
     now = maya.now().epoch
     if not worklock_agent.start_bidding_date <= now <= worklock_agent.end_bidding_date:
-        raise click.Abort(f"You can't bid, the bidding window is closed.")
+        emitter.echo(f"You can't bid, the bidding window is closed.", color='red')
+        raise click.Abort()
 
     if not worklock_options.bidder_address:
         worklock_options.bidder_address = select_client_account(emitter=emitter,