Use *sqlx.Tx instead of *sql.Tx

- requires using db.Beginx() instead of db.Begin()
- enables calling tx.Get()

libraries/shared/repository/repository.go

@@ -18,9 +18,9 @@ package repository
 
 import (
 	"bytes"
-	"database/sql"
 	"database/sql/driver"
 	"fmt"
+	"github.com/jmoiron/sqlx"
 
 	"github.com/vulcanize/vulcanizedb/libraries/shared/constants"
 	"github.com/vulcanize/vulcanizedb/pkg/core"
@@ -35,7 +35,7 @@ func MarkHeaderChecked(headerID int64, db *postgres.DB, checkedHeadersColumn str
 	return err
 }
 
-func MarkHeaderCheckedInTransaction(headerID int64, tx *sql.Tx, checkedHeadersColumn string) error {
+func MarkHeaderCheckedInTransaction(headerID int64, tx *sqlx.Tx, checkedHeadersColumn string) error {
 	_, err := tx.Exec(`INSERT INTO public.checked_headers (header_id, `+checkedHeadersColumn+`)
 		VALUES ($1, $2)
 		ON CONFLICT (header_id) DO

libraries/shared/repository/repository_test.go

@@ -97,7 +97,7 @@ var _ = Describe("Repository", func() {
 			headerRepository := repositories.NewHeaderRepository(db)
 			headerID, headerErr := headerRepository.CreateOrUpdateHeader(fakes.FakeHeader)
 			Expect(headerErr).NotTo(HaveOccurred())
-			tx, txErr := db.Begin()
+			tx, txErr := db.Beginx()
 			Expect(txErr).NotTo(HaveOccurred())
 
 			err := shared.MarkHeaderCheckedInTransaction(headerID, tx, checkedHeadersColumn)