[#488] reputation/eigentrust/calculator: Implement calc wrapper

Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>

cmd/neofs-node/reputation/intermediate/calculator.go

@@ -0,0 +1,27 @@
+package intermediate
+
+import (
+	"github.com/nspcc-dev/neofs-node/pkg/services/reputation/eigentrust"
+	eigencalc "github.com/nspcc-dev/neofs-node/pkg/services/reputation/eigentrust/calculator"
+	eigentrustctrl "github.com/nspcc-dev/neofs-node/pkg/services/reputation/eigentrust/controller"
+)
+
+// DaughtersTrustCalculator wraps EigenTrust calculator and implements
+// eigentrust/calculator's DaughtersTrustCalculator interface.
+type DaughtersTrustCalculator struct {
+	Calculator *eigencalc.Calculator
+}
+
+// Calculate converts and passes values to wrapped calculator.
+func (c *DaughtersTrustCalculator) Calculate(ctx eigentrustctrl.IterationContext) {
+	calcPrm := eigencalc.CalculatePrm{}
+	epochIteration := eigentrust.EpochIteration{}
+
+	epochIteration.SetEpoch(ctx.Epoch())
+	epochIteration.SetI(ctx.I())
+
+	calcPrm.SetLast(ctx.Last())
+	calcPrm.SetEpochIteration(epochIteration)
+
+	c.Calculator.Calculate(calcPrm)
+}