execution explorer fixes #1

db/el_accounts.go

@@ -265,6 +265,43 @@ func DeleteElAccount(id uint64, dbTx *sqlx.Tx) error {
 	return err
 }
 
+// GetElAccountsByAddresses retrieves multiple accounts by their addresses in a single query.
+// Returns a map from address (as hex string) to account for efficient lookup.
+func GetElAccountsByAddresses(addresses [][]byte) (map[string]*dbtypes.ElAccount, error) {
+	if len(addresses) == 0 {
+		return make(map[string]*dbtypes.ElAccount), nil
+	}
+
+	var sql strings.Builder
+	args := make([]any, len(addresses))
+
+	fmt.Fprint(&sql, "SELECT id, address, funder_id, funded, is_contract, last_nonce, last_block_uid FROM el_accounts WHERE address IN (")
+	for i, addr := range addresses {
+		if i > 0 {
+			fmt.Fprint(&sql, ", ")
+		}
+		fmt.Fprintf(&sql, "$%d", i+1)
+		args[i] = addr
+	}
+	fmt.Fprint(&sql, ")")
+
+	accounts := []*dbtypes.ElAccount{}
+	err := ReaderDb.Select(&accounts, sql.String(), args...)
+	if err != nil {
+		logger.Errorf("Error while fetching el accounts by addresses: %v", err)
+		return nil, err
+	}
+
+	// Build map from address to account
+	result := make(map[string]*dbtypes.ElAccount, len(accounts))
+	for _, account := range accounts {
+		// Use hex string of address as key for efficient lookup
+		key := fmt.Sprintf("%x", account.Address)
+		result[key] = account
+	}
+	return result, nil
+}
+
 // GetElAccountsByIDs retrieves multiple accounts by their IDs in a single query.
 func GetElAccountsByIDs(ids []uint64) ([]*dbtypes.ElAccount, error) {
 	if len(ids) == 0 {

db/el_tokens.go

@@ -180,6 +180,43 @@ func DeleteElToken(id uint64, dbTx *sqlx.Tx) error {
 	return err
 }
 
+// GetElTokensByContracts retrieves multiple tokens by their contract addresses in a single query.
+// Returns a map from contract address (as hex string) to token for efficient lookup.
+func GetElTokensByContracts(contracts [][]byte) (map[string]*dbtypes.ElToken, error) {
+	if len(contracts) == 0 {
+		return make(map[string]*dbtypes.ElToken), nil
+	}
+
+	var sql strings.Builder
+	args := make([]any, len(contracts))
+
+	fmt.Fprint(&sql, "SELECT id, contract, token_type, name, symbol, decimals, flags, metadata_uri, name_synced FROM el_tokens WHERE contract IN (")
+	for i, contract := range contracts {
+		if i > 0 {
+			fmt.Fprint(&sql, ", ")
+		}
+		fmt.Fprintf(&sql, "$%d", i+1)
+		args[i] = contract
+	}
+	fmt.Fprint(&sql, ")")
+
+	tokens := []*dbtypes.ElToken{}
+	err := ReaderDb.Select(&tokens, sql.String(), args...)
+	if err != nil {
+		logger.Errorf("Error while fetching el tokens by contracts: %v", err)
+		return nil, err
+	}
+
+	// Build map from contract to token
+	result := make(map[string]*dbtypes.ElToken, len(tokens))
+	for _, token := range tokens {
+		// Use hex string of contract address as key for efficient lookup
+		key := fmt.Sprintf("%x", token.Contract)
+		result[key] = token
+	}
+	return result, nil
+}
+
 // GetElTokensByIDs retrieves multiple tokens by their IDs in a single query.
 func GetElTokensByIDs(ids []uint64) ([]*dbtypes.ElToken, error) {
 	if len(ids) == 0 {

handlers/address.go

@@ -62,6 +62,7 @@ func Address(w http.ResponseWriter, r *http.Request) {
 	addressBytes, err := hex.DecodeString(addressHex)
 	if err != nil || len(addressBytes) != 20 {
 		data := InitPageData(w, r, "blockchain", "/address", "Address not found", notfoundTemplateFiles)
+		data.Data = "invalid"
 		w.Header().Set("Content-Type", "text/html")
 		handleTemplateError(w, r, "address.go", "Address", "invalidAddress", templates.GetTemplate(notfoundTemplateFiles...).ExecuteTemplate(w, "layout", data))
 		return
@@ -154,10 +155,9 @@ func AddressBalances(w http.ResponseWriter, r *http.Request) {
 	}
 
 	// Queue balance lookups (rate limited to 10min per account)
-	if account.ID > 0 {
-		if txIndexer := services.GlobalBeaconService.GetTxIndexer(); txIndexer != nil {
-			txIndexer.QueueAddressBalanceLookups(account.ID, account.Address)
-		}
+	// Even for unknown addresses (ID=0), we queue to check if they have balance
+	if txIndexer := services.GlobalBeaconService.GetTxIndexer(); txIndexer != nil {
+		txIndexer.QueueAddressBalanceLookups(account.ID, account.Address)
 	}
 
 	// Build response
@@ -270,10 +270,9 @@ func buildAddressPageData(account *dbtypes.ElAccount, tabView string, pageIdx, p
 	logrus.Debugf("address page called: %v (tab: %v)", account.ID, tabView)
 
 	// Queue balance lookups when page is viewed (rate limited to 10min per account)
-	if account.ID > 0 {
-		if txIndexer := services.GlobalBeaconService.GetTxIndexer(); txIndexer != nil {
-			txIndexer.QueueAddressBalanceLookups(account.ID, account.Address)
-		}
+	// Even for unknown addresses (ID=0), we queue to check if they have balance
+	if txIndexer := services.GlobalBeaconService.GetTxIndexer(); txIndexer != nil {
+		txIndexer.QueueAddressBalanceLookups(account.ID, account.Address)
 	}
 
 	chainState := services.GlobalBeaconService.GetChainState()

handlers/blocks.go

@@ -123,7 +123,7 @@ func buildBlocksPageData(firstSlot uint64, pageSize uint64, displayColumns uint6
 		displayMask |= 1 << (col - 1)
 	}
 	displayColumnsParam := ""
-	if displayMask != 0 {
+	if displayColumns != 0 {
 		displayColumnsParam = fmt.Sprintf("&d=0x%x", displayMask)
 	}
 
@@ -186,7 +186,7 @@ func buildBlocksPageData(firstSlot uint64, pageSize uint64, displayColumns uint6
 	// Populate UrlParams for page jump functionality
 	pageData.UrlParams = make(map[string]string)
 	pageData.UrlParams["c"] = fmt.Sprintf("%v", pageData.PageSize)
-	if displayMask != 0 {
+	if displayColumns != 0 {
 		pageData.UrlParams["d"] = fmt.Sprintf("0x%x", displayMask)
 	}
 	pageData.MaxSlot = uint64(maxSlot)

handlers/slot.go

@@ -259,6 +259,10 @@ func buildSlotPageData(ctx context.Context, blockSlot int64, blockRoot []byte) (
 		cacheTimeout = 10 * time.Second
 	}
 
+	// Get all blocks for this slot (used for multi-block display and proposer fallback)
+	slotBlocks, slotBlockProposers := getSlotBlocks(slot, blockRoot, blockData)
+	pageData.SlotBlocks = slotBlocks
+
 	if blockData == nil {
 		pageData.Status = uint16(models.SlotStatusMissed)
 		pageData.Proposer = math.MaxInt64
@@ -270,6 +274,10 @@ func buildSlotPageData(ctx context.Context, blockSlot int64, blockRoot []byte) (
 		if pageData.Proposer == math.MaxInt64 {
 			pageData.Proposer = db.GetSlotAssignment(uint64(slot))
 		}
+		// If proposer is still unknown, check if there's exactly one orphaned block and use its proposer
+		if pageData.Proposer == math.MaxInt64 && len(slotBlockProposers) == 1 {
+			pageData.Proposer = slotBlockProposers[0]
+		}
 		pageData.ProposerName = services.GlobalBeaconService.GetValidatorName(pageData.Proposer)
 	} else {
 		if blockData.Orphaned {
@@ -313,6 +321,79 @@ func buildSlotPageData(ctx context.Context, blockSlot int64, blockRoot []byte) (
 	return pageData, cacheTimeout
 }
 
+// getSlotBlocks retrieves all blocks for a given slot and builds the SlotBlocks slice
+// for the multi-block display. Uses GetDbBlocksByFilter which handles both cache and database.
+// Also returns a list of proposers from orphaned blocks (used as fallback when proposer is unknown).
+func getSlotBlocks(slot phase0.Slot, currentBlockRoot []byte, currentBlockData *services.CombinedBlockResponse) ([]*models.SlotPageSlotBlock, []uint64) {
+	slotBlocks := make([]*models.SlotPageSlotBlock, 0)
+	orphanedProposers := make([]uint64, 0)
+	hasCanonicalOrMissed := false
+
+	// Get all blocks for the slot (from cache and database)
+	slotNum := uint64(slot)
+	dbBlocks := services.GlobalBeaconService.GetDbBlocksByFilter(&dbtypes.BlockFilter{
+		Slot:         &slotNum,
+		WithOrphaned: 1, // include both canonical and orphaned
+		WithMissing:  1, // include missing slots
+	}, 0, 100, 0)
+
+	for _, dbBlock := range dbBlocks {
+		if dbBlock.Block == nil {
+			// This is a missed slot row (canonical proposer info without a block)
+			hasCanonicalOrMissed = true
+			slotBlocks = append(slotBlocks, &models.SlotPageSlotBlock{
+				BlockRoot: nil, // nil indicates missed
+				Status:    uint16(models.SlotStatusMissed),
+				IsCurrent: currentBlockData == nil,
+			})
+			continue
+		}
+
+		var blockRoot phase0.Root
+		copy(blockRoot[:], dbBlock.Block.Root)
+
+		isCanonical := dbBlock.Block.Status == dbtypes.Canonical
+		if isCanonical {
+			hasCanonicalOrMissed = true
+		} else {
+			// Track orphaned block proposers for fallback
+			orphanedProposers = append(orphanedProposers, dbBlock.Block.Proposer)
+		}
+
+		isCurrent := false
+		if currentBlockData != nil && blockRoot == currentBlockData.Root {
+			isCurrent = true
+		} else if len(currentBlockRoot) == 32 && blockRoot == phase0.Root(currentBlockRoot) {
+			isCurrent = true
+		}
+
+		status := uint16(models.SlotStatusOrphaned)
+		if isCanonical {
+			status = uint16(models.SlotStatusFound)
+		}
+
+		slotBlocks = append(slotBlocks, &models.SlotPageSlotBlock{
+			BlockRoot: blockRoot[:],
+			Status:    status,
+			IsCurrent: isCurrent,
+		})
+	}
+
+	// If no canonical or missed block was returned but there are orphaned blocks,
+	// add a "missed (canonical)" entry (fallback for edge cases)
+	if !hasCanonicalOrMissed && len(slotBlocks) > 0 {
+		missedBlock := &models.SlotPageSlotBlock{
+			BlockRoot: nil, // nil indicates missed
+			Status:    uint16(models.SlotStatusMissed),
+			IsCurrent: currentBlockData == nil,
+		}
+		// Insert missed block at the beginning
+		slotBlocks = append([]*models.SlotPageSlotBlock{missedBlock}, slotBlocks...)
+	}
+
+	return slotBlocks, orphanedProposers
+}
+
 func getSlotPageBlockData(blockData *services.CombinedBlockResponse, epochStatsValues *beacon.EpochStatsValues, blockUid uint64) *models.SlotPageBlockData {
 	chainState := services.GlobalBeaconService.GetChainState()
 	specs := chainState.GetSpecs()

handlers/slots.go

@@ -128,7 +128,7 @@ func buildSlotsPageData(firstSlot uint64, pageSize uint64, displayColumns uint64
 		displayMask |= 1 << (col - 1)
 	}
 	displayColumnsParam := ""
-	if displayMask != 0 {
+	if displayColumns != 0 {
 		displayColumnsParam = fmt.Sprintf("&d=0x%x", displayMask)
 	}
 
@@ -191,7 +191,7 @@ func buildSlotsPageData(firstSlot uint64, pageSize uint64, displayColumns uint64
 	// Populate UrlParams for page jump functionality
 	pageData.UrlParams = make(map[string]string)
 	pageData.UrlParams["c"] = fmt.Sprintf("%v", pageData.PageSize)
-	if displayMask != 0 {
+	if displayColumns != 0 {
 		pageData.UrlParams["d"] = fmt.Sprintf("0x%x", displayMask)
 	}
 	pageData.MaxSlot = uint64(maxSlot)