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