Zenith

Zenith accepts transaction bundles for Rollup mining, which are submitted by Builders and signed by Sequencers.

Things to know

• Builders submit RLP-encoded transaction bundles as EIP-4844 blobs with a BlockHeader struct

• Sequencers sign the hashed bundle contents

• Zenith contract validates the bundle, then emits data for the Rollup Node to update the Rollup state

Zenith's enforced conditions:

• Each Rollup block is signed by a permissioned Sequencer key

• Rollup blocks are submitted within the specified Host block

• There is at most one Rollup block submitted per Host block

Zenith's state contents:

• Permissioned sequencer addresses

Invariants

• At most one BlockSubmitted event in each Host block.

More information

• For details on permissioned sequencerAdmin and sequencer roles, see Permissioned Roles

• For deployed Zenith contract addresses, see Chain Configuration Reference

• For contract source code, see Zenith.sol