refactor(ethexe): split db interfaces to read and write

[grishasobol]

No description provided.

[semanticdiff-com]

Review changes with  

Changed Files

File	Status
ethexe/processor/src/handling/mod.rs	84% smaller
ethexe/blob-loader/src/lib.rs	82% smaller
ethexe/runtime/common/src/transitions.rs	79% smaller
ethexe/processor/src/tests.rs	73% smaller
ethexe/runtime/common/src/schedule.rs	71% smaller
ethexe/consensus/src/mock.rs	70% smaller
ethexe/service/src/tests/utils/events.rs	63% smaller
ethexe/compute/src/lib.rs	55% smaller
ethexe/rpc/src/apis/program.rs	48% smaller
ethexe/consensus/src/validator/producer.rs	46% smaller
ethexe/service/src/tests/mod.rs	46% smaller
ethexe/db/src/database.rs	29% smaller
ethexe/common/src/db.rs	27% smaller
ethexe/processor/src/lib.rs	19% smaller
ethexe/tx-pool/src/tests.rs	4% smaller
ethexe/blob-loader/src/local.rs	0% smaller
ethexe/common/src/primitives.rs	0% smaller
ethexe/consensus/src/validator/participant.rs	0% smaller
ethexe/observer/src/lib.rs	0% smaller
ethexe/observer/src/sync.rs	0% smaller
ethexe/processor/src/handling/events.rs	0% smaller
ethexe/processor/src/handling/run.rs	0% smaller
ethexe/processor/src/host/threads.rs	0% smaller
ethexe/rpc/src/apis/block.rs	0% smaller
ethexe/rpc/src/apis/code.rs	0% smaller
ethexe/rpc/src/common.rs	0% smaller
ethexe/service/src/fast_sync.rs	Unsupported file format

[ark0f]

What about just ProgramStates?