op-node was crashing post-Jovian and the rollup/genesis configs were missing
two fields present in the live sequencer (sepolia.superseed.xyz
optimism_rollupConfig):
- rollup.json: add pectra_blob_schedule_time=1742486400 (L1 Sepolia Pectra)
- genesis.json: eip1559DenominatorCanyon 0 -> 250 (match chain_op_config)
Verified against the live sequencer. Fixes op-node 'unexpected length: 178'
L1-info parse error. karst_time not yet published by the sequencer (Karst
Sepolia ~2026-06-17 16:00 UTC) - to be added once available.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude Agent
be1f8d33b9