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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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12
pkg/services/reputation/eigentrust/calculator/calls.go
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@ -24,6 +24,18 @@ func (p *CalculatePrm) SetEpochIteration(ei eigentrust.EpochIteration) {
}
func (c *Calculator) Calculate(prm CalculatePrm) {
alpha, err := c.prm.AlphaProvider.EigenTrustAlpha()
if err != nil {
c.opts.log.Debug(
"failed to get alpha param",
zap.Error(err),
)
return
}
c.alpha = reputation.TrustValueFromFloat64(alpha)
c.beta = reputation.TrustValueFromFloat64(1 - alpha)
ctx := eigentrust.IterContext{
Context: context.Background(),
EpochIteration: prm.ei,