chore: update middleware to latest operator set (#327)

* chore: update middleware to latest operator set

* make fmt

* add another method

chainio/clients/elcontracts/reader.go

@@ -261,3 +261,23 @@ func (r *ChainReader) CurrRewardsCalculationEndTimestamp(opts *bind.CallOpts) (u
 
 	return r.rewardsCoordinator.CurrRewardsCalculationEndTimestamp(opts)
 }
+
+func (r *ChainReader) GetCurrentClaimableDistributionRoot(
+	opts *bind.CallOpts,
+) (rewardscoordinator.IRewardsCoordinatorDistributionRoot, error) {
+	if r.rewardsCoordinator == nil {
+		return rewardscoordinator.IRewardsCoordinatorDistributionRoot{}, errors.New(
+			"RewardsCoordinator contract not provided",
+		)
+	}
+
+	return r.rewardsCoordinator.GetCurrentClaimableDistributionRoot(opts)
+}
+
+func (r *ChainReader) GetRootIndexFromHash(opts *bind.CallOpts, rootHash [32]byte) (uint32, error) {
+	if r.rewardsCoordinator == nil {
+		return 0, errors.New("RewardsCoordinator contract not provided")
+	}
+
+	return r.rewardsCoordinator.GetRootIndexFromHash(opts, rootHash)
+}