11. System Config

💡

SystemConfig contract exists on L1 and emits rollup configuration changes as log events.

Parameters

batcherHash (bytes32)

l1FeeOverhead(uint256) and l1FeeScalar(uint256)

gasLimit(uint64)

unsafeBlockSigner (address)

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batcherHash → Versioned hash of the current authorised batcher sender(s).

💡

l1FeeOverhead and l1FeeScalar → L1 fee parameters to apply L1 costs to L2 txs.

💡

gasLimit → Set gas limit of L2 blocks.

💡

unsafeBlockSigner → Unsafe blocks are required to be signed with a particular key to prevent P2P DOS vectors.

11. System Config

💡

SystemConfig contract exists on L1 and emits rollup configuration changes as log events.

Parameters

batcherHash (bytes32)

l1FeeOverhead(uint256) and l1FeeScalar(uint256)

gasLimit(uint64)

unsafeBlockSigner (address)

💡

batcherHash → Versioned hash of the current authorised batcher sender(s).

💡

l1FeeOverhead and l1FeeScalar → L1 fee parameters to apply L1 costs to L2 txs.

💡

gasLimit → Set gas limit of L2 blocks.

💡

unsafeBlockSigner → Unsafe blocks are required to be signed with a particular key to prevent P2P DOS vectors.