�� [CRITICAL BUG] SyntaxError in f-string formatting in chain_utils.py

[evmparser]

Description

A typo exists in an f-string within a logging call in chain_utils.py. The code contains f"Registering peer failed with: f{err_name}" with an erroneous nested f prefix, which will cause a SyntaxError at runtime when this error-handling branch is executed.

Location

hivemind_exp/chain_utils.py - error handling in peer registration

Severity

🔴 CRITICAL - This will crash the application when the specific error condition is triggered.

Impact

• Application crashes when PeerIdAlreadyRegistered error occurs
• Prevents graceful error handling and recovery
• Node cannot continue operation after encountering this error
• Makes the system fragile and unreliable in production

Current Code

logger.info(f"Registering peer failed with: f{err_name}")
#                                            ^ Extra 'f' prefix

Error Output

When this line is reached:

SyntaxError: f-string: invalid syntax

Proposed Solution

Remove the erroneous f prefix inside the f-string:

# Incorrect:
logger.info(f"Registering peer failed with: f{err_name}")

# Correct:
logger.info(f"Registering peer failed with: {err_name}")

Steps to Reproduce

1. Trigger the PeerIdAlreadyRegistered error condition
2. Code attempts to execute the logging statement
3. Python raises SyntaxError

Additional Context

This is a simple typo but has critical impact. The error is latent and only manifests when the specific error path is executed, making it difficult to catch without comprehensive testing.

References

• Python f-string documentation