chore: encapsulate abstraction leaks from bb
into new crate
#2747
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Description
Problem*
Resolves
Summary*
This PR encapsulates most of the abstraction leaks about
bb
intobb_abstraction_leaks
crate. We should aim to make changes tobb
/backend_interface
so that we can eventually remove this crate entirely.I've renamed
acvm_backend_barretenberg
tobackend_interface
to reflect how it should be more generic rather than tailored to barretenberg.The remaining abstraction leak in
backend_interface
is that it knows about the download URL forbb
and will download the binary if it doesn't exist. This retry behaviour should be moved up intonargo_cli
.Documentation
This PR requires documentation updates when merged.
Additional Context
PR Checklist*
cargo fmt
on default settings.