forked from TrueCloudLab/frostfs-node
35 lines
955 B
Go
35 lines
955 B
Go
package eigentrustctrl
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import (
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"context"
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)
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// IterationContext is a context of the i-th
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// stage of iterative EigenTrust algorithm.
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type IterationContext interface {
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context.Context
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// Must return epoch number to select the values
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// for global trust calculation.
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Epoch() uint64
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// Must return the sequence number of the iteration.
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I() uint32
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// Must return true if I() is the last iteration.
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Last() bool
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}
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// DaughtersTrustCalculator is an interface of entity
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// responsible for calculating the global trust of
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// daughter nodes in terms of EigenTrust algorithm.
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type DaughtersTrustCalculator interface {
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// Must perform the iteration step of the loop
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// for computing the global trust of all daughter
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// nodes and sending intermediate values
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// according to EigenTrust description
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// http://ilpubs.stanford.edu:8090/562/1/2002-56.pdf Ch.5.1.
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//
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// Execution should be interrupted if ctx.Last().
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Calculate(ctx IterationContext)
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}
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