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What changed
Added the top-level
magicblock-enginecrate that wires durable state (keeper=accountsdb + ledger) to the transaction sequencer (
processor).Why
The stack needs a single consumer-facing entry point that owns the signing
authority, the shared
Keeper, and a sequencer handle, and rebuilds volatilestate on restart.
Part of #4.
Impact
Engineexposesaccount()(account CRUD as privileged MagicRoot instructionsequences) and
transaction()(execute / schedule / simulate).IntoTransactionViewsigns and sanitizes aMessage,&[Instruction], or anexisting view with the engine authority and latest blockhash.
tip to rebuild volatile state.
Reviewer notes
At each sealed superblock replay is quiesced and the reconstructed account checksum
is compared against the sealed value; divergence is
ReplayError::StateMismatch,catching silent state corruption on restart.
Follow-up
Nothing else in the workspace depends on this crate; it is the top of the stack.