Pollrow.failure_backoff: def of cswap-bend-cli@0.1.0.0
Import: import cswap-bend-cli@0.1.0.0/pollrow.bend as Pollrow
Lines 131-134 of cswap-bend-cli@0.1.0.0/pollrow.bend: https://jend.leeeet.dev/read.txt?path=cswap-bend-cli@0.1.0.0/pollrow.bend&start_line=131&end_line=134

import Base
import cswap-bend-cli@0.1.0.0/policy/usage.bend as PUsage
import cswap-bend-cli@0.1.0.0/poll.bend as Poll

# Seconds to stay in backoff after the n-th failure: src/policy's backoff_for
# (30 s * 2^(n-1) capped at 600 s; a Retry-After raises it).
def failure_backoff(+failures: U32, retry_after: Maybe<&2, U32>, rate_limited: Bool) -> U32:
  U32.from_nat(PUsage.backoff_for(U32.to_nat(failures), err_kind(rate_limited), Poll.nat_maybe(retry_after)))

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.from_nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.to_nat
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/policy/usage.bend&name=backoff_for
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/poll.bend&name=nat_maybe
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/pollrow.bend&name=err_kind