chore: Cache files downloaded from cache #10950
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To avoid a roundtrip to S3 to re-download every artifact on cache_download, we store a local file with the file prefix that points to the latest downloaded file version (ie hash), so we don't re-donwload it we already have it. This required changing the arity of the cache_download and cache_upload scripts, so they accept the key and version for each artifact separately. In addition, to avoid issues with the nargo `show-program-hash` being indeterministic, we also store "symlink" files in the cache for each circuit and vk. These are text files named after the entire hash of the circuits folder, that contain the nargo-computed hash of the circuit. This acts as another key for the same artifact.
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To avoid a roundtrip to S3 to re-download every artifact on cache_download, we store a local file with the file prefix that points to the latest downloaded file version (ie hash), so we don't re-donwload it we already have it.
This required changing the arity of the cache_download and cache_upload scripts, so they accept the key and version for each artifact separately.
In addition, to avoid issues with the nargo
show-program-hashbeing indeterministic, we also store "symlink" files in the cache for each circuit and vk. These are text files named after the entire hash of the circuits folder, that contain the nargo-computed hash of the circuit. This acts as another key for the same artifact.