[POC] feat: same slot composability and real time proving #804
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Idea
We want the user to be able to perform an L1 -> L2 -> L1 transaction in the same L1 slot. For example:
L2Call)L1Call)Technicalities
UserOpto asurge_sendUserOpendpoint on Catalyst. This user op contains the bridge message for theL2Call.L2Calltransaction into the transaction list of the block it preconfirms.UserOpsubmission on L1 (Step 1) as a "fast signal" into the anchor txn of the L2 block it creates.L1Calls generated from theL2Callexecution of step 2.Proposal submission
A "multicall bundle" of 3 transactions are submitted on L1 in the exact sequence:
The POC is most understandable when we consider 1 block / batch and 1 user op / block.