add(dashboard): missed EL rewards for group summary

* See BEDS-175

backend/pkg/api/data_access/vdb_summary.go

@@ -521,6 +521,45 @@ func (d *DataAccessService) GetValidatorDashboardGroupSummary(ctx context.Contex
 		return nil, err
 	}
 
+	getMissedELRewards := func(validatorId uint32, epochStart, epochEnd uint64) (float64, error) {
+		// Initialize the result variable
+		var missedElRewards float64
+
+		// Execute the query
+		err := d.readerDb.GetContext(ctx, &missedElRewards,
+			`SELECT 
+				COALESCE(SUM(v), 0) AS total_median_rewards
+			 FROM (
+				 SELECT 
+					 a.slot,
+					 PERCENTILE_CONT(0.5) WITHIN GROUP (ORDER BY b.value)::numeric(76,0) AS v
+				 FROM (
+					 SELECT 
+						 b.slot AS slot
+					 FROM 
+						 blocks b
+					 WHERE 
+						 b.proposer = $1
+						 AND b.status != '1'
+						 AND b.epoch BETWEEN $2 AND $3
+				 ) a
+				 LEFT JOIN 
+					 execution_rewards_finalized b
+				 ON 
+					 (b.slot BETWEEN a.slot - 16 AND a.slot + 16)
+				 GROUP BY 
+					 a.slot
+			 ) res;`, validatorId, epochStart, epochEnd)
+
+		// Handle query execution error
+		if err != nil {
+			return 0, fmt.Errorf("failed to execute query: %w", err)
+		}
+
+		// Return the computed total median rewards
+		return missedElRewards, nil
+	}
+
 	getLastScheduledBlockAndSyncDate := func() (time.Time, time.Time, error) {
 		// we need to go to the all time table for last scheduled block/sync committee epoch
 		clickhouseTotalTable, _, err := d.getTablesForPeriod(enums.AllTime)
@@ -569,6 +608,7 @@ func (d *DataAccessService) GetValidatorDashboardGroupSummary(ctx context.Contex
 		Select(
 			goqu.L("validator_index"),
 			goqu.L("epoch_start"),
+			goqu.L("epoch_end"),
 			goqu.L("attestations_reward"),
 			goqu.L("attestations_ideal_reward"),
 			goqu.L("attestations_scheduled"),
@@ -604,6 +644,7 @@ func (d *DataAccessService) GetValidatorDashboardGroupSummary(ctx context.Contex
 	type QueryResult struct {
 		ValidatorIndex          uint32 `db:"validator_index"`
 		EpochStart              uint64 `db:"epoch_start"`
+		EpochEnd                uint64 `db:"epoch_end"`
 		AttestationReward       int64  `db:"attestations_reward"`
 		AttestationsIdealReward int64  `db:"attestations_ideal_reward"`
 
@@ -679,6 +720,7 @@ func (d *DataAccessService) GetValidatorDashboardGroupSummary(ctx context.Contex
 	totalBlocksScheduled := uint32(0)
 	totalBlocksProposed := uint32(0)
 
+	totalMissedRewardsEl := float64(0)
 	totalMissedRewardsCl := int64(0)
 	totalMissedRewardsAttestations := int64(0)
 	totalMissedRewardsSync := int64(0)
@@ -698,6 +740,12 @@ func (d *DataAccessService) GetValidatorDashboardGroupSummary(ctx context.Contex
 		ret.AttestationsTarget.Success += uint64(row.AttestationsTargetExecuted)
 		ret.AttestationsTarget.Failed += uint64(row.AttestationsScheduled) - uint64(row.AttestationsTargetExecuted)
 
+		missedRewards, err := getMissedELRewards(row.ValidatorIndex, row.EpochStart, row.EpochEnd)
+		if err != nil {
+			return nil, err
+		}
+
+		totalMissedRewardsEl += missedRewards
 		totalMissedRewardsCl += row.BlocksCLMissedReward
 		totalMissedRewardsAttestations += row.AttestationsIdealReward - row.AttestationsRewardRewardsOnly
 		totalMissedRewardsSync += row.SyncLocalizedMaxRewards - row.SyncRewardRewardsOnly
@@ -754,6 +802,7 @@ func (d *DataAccessService) GetValidatorDashboardGroupSummary(ctx context.Contex
 	ret.MissedRewards.Attestations = utils.GWeiToWei(big.NewInt(totalMissedRewardsAttestations))
 	ret.MissedRewards.Sync = utils.GWeiToWei(big.NewInt(totalMissedRewardsSync))
 	ret.MissedRewards.ProposerRewards.Cl = utils.GWeiToWei(big.NewInt(totalMissedRewardsCl))
+	//ret.MissedRewards.ProposerRewards.El = utils.GWeiToEther(big.NewInt(totalMissedRewardsEl))
 
 	ret.Rewards.El, ret.Apr.El, ret.Rewards.Cl, ret.Apr.Cl, err = d.getElClAPR(ctx, dashboardId, groupId, hours)
 	if err != nil {