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Katana

Firehose configuration for Katana

This page provides Katana specific configuration. First read the Ethereum general notes for common information.

Docker Image

ghcr.io/streamingfast/go-ethereum:optimism-<version>-fh3.0

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Katana is built on the OP Stack, so it uses the same Firehose-patched OP Geth. The image contains both the binary and fireeth.

Client Binary

Client
Repository

OP Geth (Firehose-patched)

Networks

Network
Chain Name

Katana Mainnet

katana-mainnet

OP Node Dependency

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Reader Node Configuration

Katana Mainnet

Key OP Geth Flags

Flag
Description

--vmtrace=firehose

Required. Enables Firehose Protocol output

--networkid

Network ID (747474 for Katana Mainnet)

--rollup.sequencerhttp

Sequencer endpoint for transaction submission

--authrpc.jwtsecret

Path to JWT secret for OP Node connection

--state.scheme=hash

State storage scheme (Katana uses hash)

--datadir

Data directory (use {node-data-dir} template)

Resources

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