NAIF FixGraph · RPC Doctor

RPC response is missing eth_blockNumber

The endpoint cannot provide the current block height in the expected JSON-RPC result.

Aggregate badge appears at 5+ consented samples

Problem signature

blockNumber missing

Likely causes

What to check first

  1. Call eth_blockNumber alone
  2. Compare node health and sync status
  3. Test a second provider for the same chain

This page is curated technical guidance, not a claim about any specific user's system. Diagnosis-derived trend badges are shown only after at least 5 consented, sanitized samples.