fix(prover): Create reqwest client only once #3324
Merged
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What ❔
Create reqwest client only once.
Additionally HttpClient exports metric
calls
with all the requests and correct status codes.Why ❔
Creating reqwest client is expensive because it initializes TLS, loads certificates, etc. So it should be create only once and reused.
Create new internal mod http_client instead of patching zksync_utils because fn
send_request_with_retries
is used only in prover_autoscaler and outdated prover_fri, which will be removed soon.Checklist
zkstack dev fmt
andzkstack dev lint
.ref ZKD-1855