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[#488] storage/calculator: Make alpha dynamic

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Delete reading `alpha` from env var. Cover
retrieving `alpha` behind interface in
intermediate calculator. Add TODO to decide
if it is necessary to receive that param from
global config or not.

Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
This commit is contained in:
Pavel Karpy 2021-04-29 09:03:24 +03:00 • committed by Alex Vanin
parent ad4a55468e
commit 2c8c9f69c8
6 changed files with 34 additions and 14 deletions
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10
cmd/neofs-node/reputation/intermediate/calculator.go
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@ -25,3 +25,13 @@ func (c *DaughtersTrustCalculator) Calculate(ctx eigentrustctrl.IterationContext
c.Calculator.Calculate(calcPrm)
}
// AlphaProvider provides required alpha parameter of eigen trust algorithm.
// TODO: decide if `Alpha` should be dynamically read from global config. #497
type AlphaProvider struct {
Alpha float64
}
func (ap AlphaProvider) EigenTrustAlpha() (float64, error) {
return ap.Alpha, nil
}