Export segment for future retrieval.
Returns the index assigned to that segment or an error if there is too many already exported.
Get the segments exported during this work item's refinement.
Lookup a historical preimage.
Forget a previously started nested VM.
Start an inner PVM instance with given entry point and starting code.
Run a previously initialized PVM instance with given gas and registers.
Change access to and/or zero the value of memory.
Copy a fragment of memory from machineIndex into given destination memory.
Write a fragment of memory into machineIndex from given source memory.
Set given range of pages as non-accessible and re-initialize them with zeros.
Set given range of pages as writeable and initialize them with zeros.
Host functions external invocations available during refine phase.