Log checked headers for tend events

pkg/transformers/tend/repository.go

@@ -20,7 +20,8 @@ import (
 )
 
 type Repository interface {
-	Create(headerId int64, tend TendModel) error
+	Create(headerId int64, tends []TendModel) error
+	MarkHeaderChecked(headerId int64) error
 	MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error)
 }
 
@@ -32,13 +33,38 @@ func NewTendRepository(db *postgres.DB) TendRepository {
 	return TendRepository{DB: db}
 }
 
-func (r TendRepository) Create(headerId int64, tend TendModel) error {
-	_, err := r.DB.Exec(
-		`INSERT into maker.tend (header_id, bid_id, lot, bid, guy, tic, tx_idx, raw_log)
+func (r TendRepository) Create(headerId int64, tends []TendModel) error {
+	tx, err := r.DB.Begin()
+	if err != nil {
+		return err
+	}
+	for _, tend := range tends {
+		_, err = tx.Exec(
+			`INSERT into maker.tend (header_id, bid_id, lot, bid, guy, tic, tx_idx, raw_log)
         VALUES($1, $2, $3, $4, $5, $6, $7, $8)`,
-		headerId, tend.BidId, tend.Lot, tend.Bid, tend.Guy, tend.Tic, tend.TransactionIndex, tend.Raw,
-	)
+			headerId, tend.BidId, tend.Lot, tend.Bid, tend.Guy, tend.Tic, tend.TransactionIndex, tend.Raw,
+		)
+		if err != nil {
+			tx.Rollback()
+			return err
+		}
+	}
+	_, err = tx.Exec(`INSERT INTO public.checked_headers (header_id, tend_checked)
+			VALUES ($1, $2)
+		ON CONFLICT (header_id) DO
+			UPDATE SET tend_checked = $2`, headerId, true)
+	if err != nil {
+		tx.Rollback()
+		return err
+	}
+	return tx.Commit()
+}
 
+func (r TendRepository) MarkHeaderChecked(headerId int64) error {
+	_, err := r.DB.Exec(`INSERT INTO public.checked_headers (header_id, tend_checked)
+		VALUES ($1, $2)
+	ON CONFLICT (header_id) DO
+		UPDATE SET tend_checked = $2`, headerId, true)
 	return err
 }
 
@@ -47,8 +73,8 @@ func (r TendRepository) MissingHeaders(startingBlockNumber, endingBlockNumber in
 	err := r.DB.Select(
 		&result,
 		`SELECT headers.id, headers.block_number FROM headers
-               LEFT JOIN maker.tend on headers.id = header_id
-               WHERE header_id ISNULL
+               LEFT JOIN checked_headers on headers.id = header_id
+               WHERE (header_id ISNULL OR tend_checked IS FALSE)
                AND headers.block_number >= $1
                AND headers.block_number <= $2
                AND headers.eth_node_fingerprint = $3`,