diff --git a/pkg/datastore/postgres/repositories/address_repository.go b/pkg/datastore/postgres/repositories/address_repository.go
index 3976fa280..7cf709d2a 100644
--- a/pkg/datastore/postgres/repositories/address_repository.go
+++ b/pkg/datastore/postgres/repositories/address_repository.go
@@ -27,11 +27,11 @@ import (
 
 type AddressRepository struct{}
 
-func (AddressRepository) GetOrCreateAddress(db *postgres.DB, address string) (int, error) {
+func (AddressRepository) GetOrCreateAddress(db *postgres.DB, address string) (int64, error) {
 	stringAddressToCommonAddress := common.HexToAddress(address)
 	hexAddress := stringAddressToCommonAddress.Hex()
 
-	var addressId int
+	var addressId int64
 	getErr := db.Get(&addressId, `SELECT id FROM public.addresses WHERE address = $1`, hexAddress)
 	if getErr == sql.ErrNoRows {
 		insertErr := db.QueryRow(`INSERT INTO public.addresses (address) VALUES($1) RETURNING id`, hexAddress).Scan(&addressId)
@@ -41,11 +41,11 @@ func (AddressRepository) GetOrCreateAddress(db *postgres.DB, address string) (in
 	return addressId, getErr
 }
 
-func (AddressRepository) GetOrCreateAddressInTransaction(tx *sqlx.Tx, address string) (int, error) {
+func (AddressRepository) GetOrCreateAddressInTransaction(tx *sqlx.Tx, address string) (int64, error) {
 	stringAddressToCommonAddress := common.HexToAddress(address)
 	hexAddress := stringAddressToCommonAddress.Hex()
 
-	var addressId int
+	var addressId int64
 	getErr := tx.Get(&addressId, `SELECT id FROM public.addresses WHERE address = $1`, hexAddress)
 	if getErr == sql.ErrNoRows {
 		insertErr := tx.QueryRow(`INSERT INTO public.addresses (address) VALUES($1) RETURNING id`, hexAddress).Scan(&addressId)
@@ -55,7 +55,7 @@ func (AddressRepository) GetOrCreateAddressInTransaction(tx *sqlx.Tx, address st
 	return addressId, getErr
 }
 
-func (AddressRepository) GetAddressById(db *postgres.DB, id int) (string, error) {
+func (AddressRepository) GetAddressById(db *postgres.DB, id int64) (string, error) {
 	var address string
 	getErr := db.Get(&address, `SELECT address FROM public.addresses WHERE id = $1`, id)
 	return address, getErr
diff --git a/pkg/datastore/postgres/repositories/address_repository_test.go b/pkg/datastore/postgres/repositories/address_repository_test.go
index 5b67cfd00..1b2b788f5 100644
--- a/pkg/datastore/postgres/repositories/address_repository_test.go
+++ b/pkg/datastore/postgres/repositories/address_repository_test.go
@@ -41,8 +41,12 @@ var _ = Describe("address lookup", func() {
 		repo = repositories.AddressRepository{}
 	})
 
+	AfterEach(func() {
+		test_config.CleanTestDB(db)
+	})
+
 	type dbAddress struct {
-		Id      int
+		Id      int64
 		Address string
 	}
 
@@ -59,16 +63,17 @@ var _ = Describe("address lookup", func() {
 		})
 
 		It("returns the existing record id if the address already exists", func() {
-			_, createErr := repo.GetOrCreateAddress(db, address)
+			createId, createErr := repo.GetOrCreateAddress(db, address)
 			Expect(createErr).NotTo(HaveOccurred())
 
-			_, getErr := repo.GetOrCreateAddress(db, address)
+			getId, getErr := repo.GetOrCreateAddress(db, address)
 			Expect(getErr).NotTo(HaveOccurred())
 
 			var addressCount int
 			addressErr := db.Get(&addressCount, `SELECT count(*) FROM public.addresses`)
 			Expect(addressErr).NotTo(HaveOccurred())
 			Expect(addressCount).To(Equal(1))
+			Expect(createId).To(Equal(getId))
 		})
 
 		It("gets upper-cased addresses", func() {
@@ -102,10 +107,15 @@ var _ = Describe("address lookup", func() {
 			Expect(txErr).NotTo(HaveOccurred())
 		})
 
+		AfterEach(func() {
+			tx.Rollback()
+		})
+
 		It("creates an address record", func() {
 			addressId, createErr := repo.GetOrCreateAddressInTransaction(tx, address)
 			Expect(createErr).NotTo(HaveOccurred())
-			tx.Commit()
+			commitErr := tx.Commit()
+			Expect(commitErr).NotTo(HaveOccurred())
 
 			var actualAddress dbAddress
 			getErr := db.Get(&actualAddress, `SELECT id, address FROM public.addresses LIMIT 1`)