feat: fill efficiency field in dashboard group summary

See: BEDS-1065

backend/pkg/api/data_access/vdb_summary.go

@@ -678,8 +678,13 @@ func (d *DataAccessService) GetValidatorDashboardGroupSummary(ctx context.Contex
 	totalBlockChance := float64(0)
 	totalInclusionDelaySum := int64(0)
 	totalInclusionDelayDivisor := int64(0)
+
 	totalSyncExpected := float64(0)
-	totalProposals := uint32(0)
+	totalSyncScheduled := uint32(0)
+	totalSyncExecuted := uint32(0)
+
+	totalBlocksScheduled := uint32(0)
+	totalBlocksProposed := uint32(0)
 
 	validatorArr := make([]t.VDBValidator, 0)
 	for _, row := range rows {
@@ -699,15 +704,18 @@ func (d *DataAccessService) GetValidatorDashboardGroupSummary(ctx context.Contex
 		if row.ValidatorIndex == 0 && row.BlocksProposed > 0 && row.BlocksProposed != row.BlocksScheduled {
 			row.BlocksProposed-- // subtract the genesis block from validator 0 (TODO: remove when fixed in the dashoard data exporter)
 		}
-
-		totalProposals += row.BlocksScheduled
+		totalBlocksProposed += row.BlocksProposed
+		totalBlocksScheduled += row.BlocksScheduled
 		if row.BlocksScheduled > 0 {
 			if ret.ProposalValidators == nil {
 				ret.ProposalValidators = make([]t.VDBValidator, 0, 10)
 			}
 			ret.ProposalValidators = append(ret.ProposalValidators, t.VDBValidator(row.ValidatorIndex))
 		}
 
+		totalSyncScheduled += row.SyncScheduled
+		totalSyncExecuted += row.SyncExecuted
+
 		ret.SyncCommittee.StatusCount.Success += uint64(row.SyncExecuted)
 		ret.SyncCommittee.StatusCount.Failed += uint64(row.SyncScheduled) - uint64(row.SyncExecuted)
 
@@ -773,7 +781,7 @@ func (d *DataAccessService) GetValidatorDashboardGroupSummary(ctx context.Contex
 	}
 
 	if totalBlockChance > 0 {
-		ret.Luck.Proposal.Percent = (float64(totalProposals)) / totalBlockChance * 100
+		ret.Luck.Proposal.Percent = (float64(totalBlocksScheduled)) / totalBlockChance * 100
 
 		// calculate the average time it takes for the set of validators to propose a single block on average
 		ret.Luck.Proposal.AverageIntervalSeconds = uint64(time.Duration((luckHours / totalBlockChance) * float64(time.Hour)).Seconds())
@@ -825,6 +833,20 @@ func (d *DataAccessService) GetValidatorDashboardGroupSummary(ctx context.Contex
 			ret.SyncCommittee.Validators = ret.SyncCommittee.Validators[:3]
 		}
 	}
+	var attestationEfficiency, proposerEfficiency, syncEfficiency sql.NullFloat64
+	if totalIdealAttestationRewards > 0 {
+		attestationEfficiency.Float64 = decimal.NewFromInt(totalAttestationRewards).Div(decimal.NewFromInt(totalIdealAttestationRewards)).InexactFloat64()
+		attestationEfficiency.Valid = true
+	}
+	if totalBlocksScheduled > 0 {
+		proposerEfficiency.Float64 = float64(totalBlocksProposed) / float64(totalBlocksScheduled)
+		proposerEfficiency.Valid = true
+	}
+	if totalSyncScheduled > 0 {
+		syncEfficiency.Float64 = float64(totalSyncExecuted) / float64(totalSyncScheduled)
+		syncEfficiency.Valid = true
+	}
+	ret.Efficiency = utils.CalculateTotalEfficiency(attestationEfficiency, proposerEfficiency, syncEfficiency)
 
 	return ret, nil
 }