This PR intended to reduce stream usage scope in order to make AquaVM truly deterministic.
Refs: #297.
Co-authored-by: Ivan Boldyrev <ivan@fluence.one>
Co-authored-by: Anatoly Laskaris <github_me@nahsi.dev>
Older grammar allowed some variabilty in triple format. Now, the only
format allowed is:
`peer_id (service_id function_name)`
As less errors can happen during parsing of the triplet, the code was
simplified further .
Closes#267.
