walnut-the-cat

NEP-509: Stateless validation stage 0

2

WIP

Exclude contract code out of state witness & distribute separately

2

## Relevant discussion [Link](https://near.zulipchat.com/#narrow/stream/308695-nearone.2Fprivate/topic/Forknet.20.2B.20Stateless.20Validation/near/433742042) ## Issue During stateless validation forknet test, we observed node crash with the following error ``` 2024-04-16T20:21:23.545144Z DEBUG chunk_tracing{chunk_hash=HnFSQEoLMEnMXK2pxnnnbv7GkwFobanyrd7JJbNS2Rrj}:new_chunk{shard_id=3}:apply_chunk{shard_id=3}:process_state_update:apply{protocol_version=84 num_transactions=19}:process_receipt{receipt_id=GHhLncT5GM2ksuwVzUqPMkzCp132V7xToQZPfUbKeRgP predecessor=operator.meta-pool.near receiver=lockup-meta-pool.near id=GHhLncT5GM2ksuwVzUqPMkzCp132V7xToQZPfUbKeRgP}:run{code.hash=EXekfV3kpFHHsTi4JUDh2MVLCKS3hpKdPbXMuRirxrvY vm_kind=NearVm}: vm: close...