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Make preparePost more readable

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Co-Authored-By: Whyrusleeping <why@ipfs.io>
This commit is contained in:
Łukasz Magiera 2019-11-09 00:15:25 +01:00 committed by GitHub
parent aaacfd15cd
commit 5de600909e
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1 changed files with 3 additions and 1 deletions
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4
storage/post.go
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@ -149,7 +149,9 @@ func (p *post) preparePost(ctx context.Context) error {
} }
p.sset = sset p.sset = sset
r, err := p.m.api.ChainGetRandomness(ctx, p.ts, nil, int(int64(p.ts.Height())-int64(p.ppe)+int64(build.PoStChallangeTime)+int64(build.PoStRandomnessLookback))) // TODO: review: check math // Compute how many blocks back we have to look from the given tipset for the PoSt challenge
challengeLookback := int((int64(p.ts.Height())-int64(p.ppe))+int64(build.PoStChallangeTime)+int64(build.PoStRandomnessLookback))
r, err := p.m.api.ChainGetRandomness(ctx, p.ts, nil, challengeLookback)
if err != nil { if err != nil {
return xerrors.Errorf("failed to get chain randomness for post (ts=%d; ppe=%d): %w", p.ts.Height(), p.ppe, err) return xerrors.Errorf("failed to get chain randomness for post (ts=%d; ppe=%d): %w", p.ts.Height(), p.ppe, err)
} }