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State Proposal
Nicolas Laurent edited this page Jan 22, 2022
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A proposal (aka state commitment) is a message sent by the sequencer to a L1 contract (currently called State Commitment Chain) to commit to a block (and in particular its state root).
A proposal consists of:
- An epoch number (*).
- Hash of the deposit block starting the epoch. This is necessary to deal with L1 chain re-orgs.
- Some proposed Merkle roots
- state root after the execution of the epoch
- logs root for every block in the epoch (or single logs root for the whole epoch??)
- more?
- Hash of parent proposal (to verify that the timestamp is properly monotonic)
(*) An epoch number is an L1 block number — TBD either the block number of the L1 block from which the deposit block is generated, or the number of that block + the sequencing window.