diff --git a/Makefile b/Makefile
index 46fdcd9..57a1941 100644
--- a/Makefile
+++ b/Makefile
@@ -42,4 +42,7 @@ coverage:
 server:
 	go run main.go
 
+mock:
+	mockgen -package mockdb -destination db/mock/store.go github.com/itsscb/df/db/sqlc Store
+
 .PHONY: postgres migratenew createdb dropdb migrateup migratedown sqlc sqlcinit test server
diff --git a/api/server.go b/api/server.go
index d18d215..b57d1a7 100644
--- a/api/server.go
+++ b/api/server.go
@@ -7,12 +7,12 @@ import (
 
 // Server serves HTTP requests for df service
 type Server struct {
-	store  *db.Store
+	store  db.Store
 	router *gin.Engine
 }
 
 // NewServer creates a new HTTP server and sets up routing
-func NewServer(store *db.Store) *Server {
+func NewServer(store db.Store) *Server {
 	server := &Server{
 		store: store,
 	}
diff --git a/db/mock/store.go b/db/mock/store.go
new file mode 100644
index 0000000..8099fb8
--- /dev/null
+++ b/db/mock/store.go
@@ -0,0 +1,662 @@
+// Code generated by MockGen. DO NOT EDIT.
+// Source: github.com/itsscb/df/db/sqlc (interfaces: Store)
+//
+// Generated by this command:
+//
+//	mockgen -package mockdb -destination db/mock/store.go github.com/itsscb/df/db/sqlc Store
+//
+// Package mockdb is a generated GoMock package.
+package mockdb
+
+import (
+	context "context"
+	reflect "reflect"
+
+	db "github.com/itsscb/df/db/sqlc"
+	gomock "go.uber.org/mock/gomock"
+)
+
+// MockStore is a mock of Store interface.
+type MockStore struct {
+	ctrl     *gomock.Controller
+	recorder *MockStoreMockRecorder
+}
+
+// MockStoreMockRecorder is the mock recorder for MockStore.
+type MockStoreMockRecorder struct {
+	mock *MockStore
+}
+
+// NewMockStore creates a new mock instance.
+func NewMockStore(ctrl *gomock.Controller) *MockStore {
+	mock := &MockStore{ctrl: ctrl}
+	mock.recorder = &MockStoreMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockStore) EXPECT() *MockStoreMockRecorder {
+	return m.recorder
+}
+
+// CreateAccount mocks base method.
+func (m *MockStore) CreateAccount(arg0 context.Context, arg1 db.CreateAccountParams) (db.Account, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "CreateAccount", arg0, arg1)
+	ret0, _ := ret[0].(db.Account)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// CreateAccount indicates an expected call of CreateAccount.
+func (mr *MockStoreMockRecorder) CreateAccount(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateAccount", reflect.TypeOf((*MockStore)(nil).CreateAccount), arg0, arg1)
+}
+
+// CreateDocumentMail mocks base method.
+func (m *MockStore) CreateDocumentMail(arg0 context.Context, arg1 db.CreateDocumentMailParams) (db.Document, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "CreateDocumentMail", arg0, arg1)
+	ret0, _ := ret[0].(db.Document)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// CreateDocumentMail indicates an expected call of CreateDocumentMail.
+func (mr *MockStoreMockRecorder) CreateDocumentMail(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateDocumentMail", reflect.TypeOf((*MockStore)(nil).CreateDocumentMail), arg0, arg1)
+}
+
+// CreateDocumentUpload mocks base method.
+func (m *MockStore) CreateDocumentUpload(arg0 context.Context, arg1 db.CreateDocumentUploadParams) (db.Document, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "CreateDocumentUpload", arg0, arg1)
+	ret0, _ := ret[0].(db.Document)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// CreateDocumentUpload indicates an expected call of CreateDocumentUpload.
+func (mr *MockStoreMockRecorder) CreateDocumentUpload(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateDocumentUpload", reflect.TypeOf((*MockStore)(nil).CreateDocumentUpload), arg0, arg1)
+}
+
+// CreateMail mocks base method.
+func (m *MockStore) CreateMail(arg0 context.Context, arg1 db.CreateMailParams) (db.Mail, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "CreateMail", arg0, arg1)
+	ret0, _ := ret[0].(db.Mail)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// CreateMail indicates an expected call of CreateMail.
+func (mr *MockStoreMockRecorder) CreateMail(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateMail", reflect.TypeOf((*MockStore)(nil).CreateMail), arg0, arg1)
+}
+
+// CreatePayment mocks base method.
+func (m *MockStore) CreatePayment(arg0 context.Context, arg1 db.CreatePaymentParams) (db.Payment, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "CreatePayment", arg0, arg1)
+	ret0, _ := ret[0].(db.Payment)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// CreatePayment indicates an expected call of CreatePayment.
+func (mr *MockStoreMockRecorder) CreatePayment(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreatePayment", reflect.TypeOf((*MockStore)(nil).CreatePayment), arg0, arg1)
+}
+
+// CreatePerson mocks base method.
+func (m *MockStore) CreatePerson(arg0 context.Context, arg1 db.CreatePersonParams) (db.Person, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "CreatePerson", arg0, arg1)
+	ret0, _ := ret[0].(db.Person)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// CreatePerson indicates an expected call of CreatePerson.
+func (mr *MockStoreMockRecorder) CreatePerson(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreatePerson", reflect.TypeOf((*MockStore)(nil).CreatePerson), arg0, arg1)
+}
+
+// CreateProvider mocks base method.
+func (m *MockStore) CreateProvider(arg0 context.Context, arg1 db.CreateProviderParams) (db.Provider, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "CreateProvider", arg0, arg1)
+	ret0, _ := ret[0].(db.Provider)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// CreateProvider indicates an expected call of CreateProvider.
+func (mr *MockStoreMockRecorder) CreateProvider(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateProvider", reflect.TypeOf((*MockStore)(nil).CreateProvider), arg0, arg1)
+}
+
+// CreateReturn mocks base method.
+func (m *MockStore) CreateReturn(arg0 context.Context, arg1 db.CreateReturnParams) (db.Return, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "CreateReturn", arg0, arg1)
+	ret0, _ := ret[0].(db.Return)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// CreateReturn indicates an expected call of CreateReturn.
+func (mr *MockStoreMockRecorder) CreateReturn(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateReturn", reflect.TypeOf((*MockStore)(nil).CreateReturn), arg0, arg1)
+}
+
+// CreateReturnsLog mocks base method.
+func (m *MockStore) CreateReturnsLog(arg0 context.Context, arg1 db.CreateReturnsLogParams) (db.ReturnsLog, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "CreateReturnsLog", arg0, arg1)
+	ret0, _ := ret[0].(db.ReturnsLog)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// CreateReturnsLog indicates an expected call of CreateReturnsLog.
+func (mr *MockStoreMockRecorder) CreateReturnsLog(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateReturnsLog", reflect.TypeOf((*MockStore)(nil).CreateReturnsLog), arg0, arg1)
+}
+
+// DeleteAccount mocks base method.
+func (m *MockStore) DeleteAccount(arg0 context.Context, arg1 int64) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "DeleteAccount", arg0, arg1)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// DeleteAccount indicates an expected call of DeleteAccount.
+func (mr *MockStoreMockRecorder) DeleteAccount(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteAccount", reflect.TypeOf((*MockStore)(nil).DeleteAccount), arg0, arg1)
+}
+
+// DeleteDocument mocks base method.
+func (m *MockStore) DeleteDocument(arg0 context.Context, arg1 int64) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "DeleteDocument", arg0, arg1)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// DeleteDocument indicates an expected call of DeleteDocument.
+func (mr *MockStoreMockRecorder) DeleteDocument(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteDocument", reflect.TypeOf((*MockStore)(nil).DeleteDocument), arg0, arg1)
+}
+
+// DeleteMail mocks base method.
+func (m *MockStore) DeleteMail(arg0 context.Context, arg1 int64) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "DeleteMail", arg0, arg1)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// DeleteMail indicates an expected call of DeleteMail.
+func (mr *MockStoreMockRecorder) DeleteMail(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteMail", reflect.TypeOf((*MockStore)(nil).DeleteMail), arg0, arg1)
+}
+
+// DeletePayment mocks base method.
+func (m *MockStore) DeletePayment(arg0 context.Context, arg1 int64) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "DeletePayment", arg0, arg1)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// DeletePayment indicates an expected call of DeletePayment.
+func (mr *MockStoreMockRecorder) DeletePayment(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeletePayment", reflect.TypeOf((*MockStore)(nil).DeletePayment), arg0, arg1)
+}
+
+// DeletePerson mocks base method.
+func (m *MockStore) DeletePerson(arg0 context.Context, arg1 int64) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "DeletePerson", arg0, arg1)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// DeletePerson indicates an expected call of DeletePerson.
+func (mr *MockStoreMockRecorder) DeletePerson(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeletePerson", reflect.TypeOf((*MockStore)(nil).DeletePerson), arg0, arg1)
+}
+
+// DeleteProvider mocks base method.
+func (m *MockStore) DeleteProvider(arg0 context.Context, arg1 int64) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "DeleteProvider", arg0, arg1)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// DeleteProvider indicates an expected call of DeleteProvider.
+func (mr *MockStoreMockRecorder) DeleteProvider(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteProvider", reflect.TypeOf((*MockStore)(nil).DeleteProvider), arg0, arg1)
+}
+
+// DeleteReturn mocks base method.
+func (m *MockStore) DeleteReturn(arg0 context.Context, arg1 int64) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "DeleteReturn", arg0, arg1)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// DeleteReturn indicates an expected call of DeleteReturn.
+func (mr *MockStoreMockRecorder) DeleteReturn(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteReturn", reflect.TypeOf((*MockStore)(nil).DeleteReturn), arg0, arg1)
+}
+
+// DeleteReturnsLog mocks base method.
+func (m *MockStore) DeleteReturnsLog(arg0 context.Context, arg1 int64) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "DeleteReturnsLog", arg0, arg1)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// DeleteReturnsLog indicates an expected call of DeleteReturnsLog.
+func (mr *MockStoreMockRecorder) DeleteReturnsLog(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteReturnsLog", reflect.TypeOf((*MockStore)(nil).DeleteReturnsLog), arg0, arg1)
+}
+
+// GetAccount mocks base method.
+func (m *MockStore) GetAccount(arg0 context.Context, arg1 int64) (db.Account, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "GetAccount", arg0, arg1)
+	ret0, _ := ret[0].(db.Account)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// GetAccount indicates an expected call of GetAccount.
+func (mr *MockStoreMockRecorder) GetAccount(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetAccount", reflect.TypeOf((*MockStore)(nil).GetAccount), arg0, arg1)
+}
+
+// GetDocument mocks base method.
+func (m *MockStore) GetDocument(arg0 context.Context, arg1 int64) (db.Document, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "GetDocument", arg0, arg1)
+	ret0, _ := ret[0].(db.Document)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// GetDocument indicates an expected call of GetDocument.
+func (mr *MockStoreMockRecorder) GetDocument(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetDocument", reflect.TypeOf((*MockStore)(nil).GetDocument), arg0, arg1)
+}
+
+// GetMail mocks base method.
+func (m *MockStore) GetMail(arg0 context.Context, arg1 int64) (db.Mail, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "GetMail", arg0, arg1)
+	ret0, _ := ret[0].(db.Mail)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// GetMail indicates an expected call of GetMail.
+func (mr *MockStoreMockRecorder) GetMail(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetMail", reflect.TypeOf((*MockStore)(nil).GetMail), arg0, arg1)
+}
+
+// GetPayment mocks base method.
+func (m *MockStore) GetPayment(arg0 context.Context, arg1 int64) (db.Payment, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "GetPayment", arg0, arg1)
+	ret0, _ := ret[0].(db.Payment)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// GetPayment indicates an expected call of GetPayment.
+func (mr *MockStoreMockRecorder) GetPayment(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetPayment", reflect.TypeOf((*MockStore)(nil).GetPayment), arg0, arg1)
+}
+
+// GetPerson mocks base method.
+func (m *MockStore) GetPerson(arg0 context.Context, arg1 int64) (db.Person, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "GetPerson", arg0, arg1)
+	ret0, _ := ret[0].(db.Person)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// GetPerson indicates an expected call of GetPerson.
+func (mr *MockStoreMockRecorder) GetPerson(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetPerson", reflect.TypeOf((*MockStore)(nil).GetPerson), arg0, arg1)
+}
+
+// GetProvider mocks base method.
+func (m *MockStore) GetProvider(arg0 context.Context, arg1 int64) (db.Provider, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "GetProvider", arg0, arg1)
+	ret0, _ := ret[0].(db.Provider)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// GetProvider indicates an expected call of GetProvider.
+func (mr *MockStoreMockRecorder) GetProvider(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetProvider", reflect.TypeOf((*MockStore)(nil).GetProvider), arg0, arg1)
+}
+
+// GetReturn mocks base method.
+func (m *MockStore) GetReturn(arg0 context.Context, arg1 int64) (db.Return, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "GetReturn", arg0, arg1)
+	ret0, _ := ret[0].(db.Return)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// GetReturn indicates an expected call of GetReturn.
+func (mr *MockStoreMockRecorder) GetReturn(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetReturn", reflect.TypeOf((*MockStore)(nil).GetReturn), arg0, arg1)
+}
+
+// GetReturnsLog mocks base method.
+func (m *MockStore) GetReturnsLog(arg0 context.Context, arg1 int64) (db.ReturnsLog, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "GetReturnsLog", arg0, arg1)
+	ret0, _ := ret[0].(db.ReturnsLog)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// GetReturnsLog indicates an expected call of GetReturnsLog.
+func (mr *MockStoreMockRecorder) GetReturnsLog(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetReturnsLog", reflect.TypeOf((*MockStore)(nil).GetReturnsLog), arg0, arg1)
+}
+
+// InvalidateDocument mocks base method.
+func (m *MockStore) InvalidateDocument(arg0 context.Context, arg1 db.InvalidateDocumentParams) (db.Document, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "InvalidateDocument", arg0, arg1)
+	ret0, _ := ret[0].(db.Document)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// InvalidateDocument indicates an expected call of InvalidateDocument.
+func (mr *MockStoreMockRecorder) InvalidateDocument(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "InvalidateDocument", reflect.TypeOf((*MockStore)(nil).InvalidateDocument), arg0, arg1)
+}
+
+// ListAccounts mocks base method.
+func (m *MockStore) ListAccounts(arg0 context.Context, arg1 db.ListAccountsParams) ([]db.Account, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "ListAccounts", arg0, arg1)
+	ret0, _ := ret[0].([]db.Account)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// ListAccounts indicates an expected call of ListAccounts.
+func (mr *MockStoreMockRecorder) ListAccounts(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListAccounts", reflect.TypeOf((*MockStore)(nil).ListAccounts), arg0, arg1)
+}
+
+// ListDocuments mocks base method.
+func (m *MockStore) ListDocuments(arg0 context.Context, arg1 db.ListDocumentsParams) ([]db.Document, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "ListDocuments", arg0, arg1)
+	ret0, _ := ret[0].([]db.Document)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// ListDocuments indicates an expected call of ListDocuments.
+func (mr *MockStoreMockRecorder) ListDocuments(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListDocuments", reflect.TypeOf((*MockStore)(nil).ListDocuments), arg0, arg1)
+}
+
+// ListMails mocks base method.
+func (m *MockStore) ListMails(arg0 context.Context, arg1 db.ListMailsParams) ([]db.Mail, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "ListMails", arg0, arg1)
+	ret0, _ := ret[0].([]db.Mail)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// ListMails indicates an expected call of ListMails.
+func (mr *MockStoreMockRecorder) ListMails(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListMails", reflect.TypeOf((*MockStore)(nil).ListMails), arg0, arg1)
+}
+
+// ListPayments mocks base method.
+func (m *MockStore) ListPayments(arg0 context.Context, arg1 db.ListPaymentsParams) ([]db.Payment, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "ListPayments", arg0, arg1)
+	ret0, _ := ret[0].([]db.Payment)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// ListPayments indicates an expected call of ListPayments.
+func (mr *MockStoreMockRecorder) ListPayments(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListPayments", reflect.TypeOf((*MockStore)(nil).ListPayments), arg0, arg1)
+}
+
+// ListPersons mocks base method.
+func (m *MockStore) ListPersons(arg0 context.Context, arg1 db.ListPersonsParams) ([]db.Person, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "ListPersons", arg0, arg1)
+	ret0, _ := ret[0].([]db.Person)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// ListPersons indicates an expected call of ListPersons.
+func (mr *MockStoreMockRecorder) ListPersons(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListPersons", reflect.TypeOf((*MockStore)(nil).ListPersons), arg0, arg1)
+}
+
+// ListProviders mocks base method.
+func (m *MockStore) ListProviders(arg0 context.Context, arg1 db.ListProvidersParams) ([]db.Provider, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "ListProviders", arg0, arg1)
+	ret0, _ := ret[0].([]db.Provider)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// ListProviders indicates an expected call of ListProviders.
+func (mr *MockStoreMockRecorder) ListProviders(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListProviders", reflect.TypeOf((*MockStore)(nil).ListProviders), arg0, arg1)
+}
+
+// ListReturns mocks base method.
+func (m *MockStore) ListReturns(arg0 context.Context, arg1 db.ListReturnsParams) ([]db.Return, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "ListReturns", arg0, arg1)
+	ret0, _ := ret[0].([]db.Return)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// ListReturns indicates an expected call of ListReturns.
+func (mr *MockStoreMockRecorder) ListReturns(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListReturns", reflect.TypeOf((*MockStore)(nil).ListReturns), arg0, arg1)
+}
+
+// ListReturnsLogs mocks base method.
+func (m *MockStore) ListReturnsLogs(arg0 context.Context, arg1 db.ListReturnsLogsParams) ([]db.ReturnsLog, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "ListReturnsLogs", arg0, arg1)
+	ret0, _ := ret[0].([]db.ReturnsLog)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// ListReturnsLogs indicates an expected call of ListReturnsLogs.
+func (mr *MockStoreMockRecorder) ListReturnsLogs(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListReturnsLogs", reflect.TypeOf((*MockStore)(nil).ListReturnsLogs), arg0, arg1)
+}
+
+// UpdateAccount mocks base method.
+func (m *MockStore) UpdateAccount(arg0 context.Context, arg1 db.UpdateAccountParams) (db.Account, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "UpdateAccount", arg0, arg1)
+	ret0, _ := ret[0].(db.Account)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// UpdateAccount indicates an expected call of UpdateAccount.
+func (mr *MockStoreMockRecorder) UpdateAccount(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateAccount", reflect.TypeOf((*MockStore)(nil).UpdateAccount), arg0, arg1)
+}
+
+// UpdateDocument mocks base method.
+func (m *MockStore) UpdateDocument(arg0 context.Context, arg1 db.UpdateDocumentParams) (db.Document, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "UpdateDocument", arg0, arg1)
+	ret0, _ := ret[0].(db.Document)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// UpdateDocument indicates an expected call of UpdateDocument.
+func (mr *MockStoreMockRecorder) UpdateDocument(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateDocument", reflect.TypeOf((*MockStore)(nil).UpdateDocument), arg0, arg1)
+}
+
+// UpdatePayment mocks base method.
+func (m *MockStore) UpdatePayment(arg0 context.Context, arg1 db.UpdatePaymentParams) (db.Payment, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "UpdatePayment", arg0, arg1)
+	ret0, _ := ret[0].(db.Payment)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// UpdatePayment indicates an expected call of UpdatePayment.
+func (mr *MockStoreMockRecorder) UpdatePayment(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdatePayment", reflect.TypeOf((*MockStore)(nil).UpdatePayment), arg0, arg1)
+}
+
+// UpdatePerson mocks base method.
+func (m *MockStore) UpdatePerson(arg0 context.Context, arg1 db.UpdatePersonParams) (db.Person, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "UpdatePerson", arg0, arg1)
+	ret0, _ := ret[0].(db.Person)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// UpdatePerson indicates an expected call of UpdatePerson.
+func (mr *MockStoreMockRecorder) UpdatePerson(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdatePerson", reflect.TypeOf((*MockStore)(nil).UpdatePerson), arg0, arg1)
+}
+
+// UpdateProvider mocks base method.
+func (m *MockStore) UpdateProvider(arg0 context.Context, arg1 db.UpdateProviderParams) (db.Provider, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "UpdateProvider", arg0, arg1)
+	ret0, _ := ret[0].(db.Provider)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// UpdateProvider indicates an expected call of UpdateProvider.
+func (mr *MockStoreMockRecorder) UpdateProvider(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateProvider", reflect.TypeOf((*MockStore)(nil).UpdateProvider), arg0, arg1)
+}
+
+// UpdateReturn mocks base method.
+func (m *MockStore) UpdateReturn(arg0 context.Context, arg1 db.UpdateReturnParams) (db.Return, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "UpdateReturn", arg0, arg1)
+	ret0, _ := ret[0].(db.Return)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// UpdateReturn indicates an expected call of UpdateReturn.
+func (mr *MockStoreMockRecorder) UpdateReturn(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateReturn", reflect.TypeOf((*MockStore)(nil).UpdateReturn), arg0, arg1)
+}
+
+// UpdateReturnsLog mocks base method.
+func (m *MockStore) UpdateReturnsLog(arg0 context.Context, arg1 db.UpdateReturnsLogParams) (db.ReturnsLog, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "UpdateReturnsLog", arg0, arg1)
+	ret0, _ := ret[0].(db.ReturnsLog)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// UpdateReturnsLog indicates an expected call of UpdateReturnsLog.
+func (mr *MockStoreMockRecorder) UpdateReturnsLog(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateReturnsLog", reflect.TypeOf((*MockStore)(nil).UpdateReturnsLog), arg0, arg1)
+}
+
+// ValidateDocument mocks base method.
+func (m *MockStore) ValidateDocument(arg0 context.Context, arg1 db.ValidateDocumentParams) (db.Document, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "ValidateDocument", arg0, arg1)
+	ret0, _ := ret[0].(db.Document)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// ValidateDocument indicates an expected call of ValidateDocument.
+func (mr *MockStoreMockRecorder) ValidateDocument(arg0, arg1 any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ValidateDocument", reflect.TypeOf((*MockStore)(nil).ValidateDocument), arg0, arg1)
+}
diff --git a/db/sqlc/querier.go b/db/sqlc/querier.go
new file mode 100644
index 0000000..61f3486
--- /dev/null
+++ b/db/sqlc/querier.go
@@ -0,0 +1,56 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.21.0
+
+package db
+
+import (
+	"context"
+)
+
+type Querier interface {
+	CreateAccount(ctx context.Context, arg CreateAccountParams) (Account, error)
+	CreateDocumentMail(ctx context.Context, arg CreateDocumentMailParams) (Document, error)
+	CreateDocumentUpload(ctx context.Context, arg CreateDocumentUploadParams) (Document, error)
+	CreateMail(ctx context.Context, arg CreateMailParams) (Mail, error)
+	CreatePayment(ctx context.Context, arg CreatePaymentParams) (Payment, error)
+	CreatePerson(ctx context.Context, arg CreatePersonParams) (Person, error)
+	CreateProvider(ctx context.Context, arg CreateProviderParams) (Provider, error)
+	CreateReturn(ctx context.Context, arg CreateReturnParams) (Return, error)
+	CreateReturnsLog(ctx context.Context, arg CreateReturnsLogParams) (ReturnsLog, error)
+	DeleteAccount(ctx context.Context, id int64) error
+	DeleteDocument(ctx context.Context, id int64) error
+	DeleteMail(ctx context.Context, id int64) error
+	DeletePayment(ctx context.Context, id int64) error
+	DeletePerson(ctx context.Context, id int64) error
+	DeleteProvider(ctx context.Context, id int64) error
+	DeleteReturn(ctx context.Context, id int64) error
+	DeleteReturnsLog(ctx context.Context, id int64) error
+	GetAccount(ctx context.Context, id int64) (Account, error)
+	GetDocument(ctx context.Context, id int64) (Document, error)
+	GetMail(ctx context.Context, id int64) (Mail, error)
+	GetPayment(ctx context.Context, id int64) (Payment, error)
+	GetPerson(ctx context.Context, id int64) (Person, error)
+	GetProvider(ctx context.Context, id int64) (Provider, error)
+	GetReturn(ctx context.Context, id int64) (Return, error)
+	GetReturnsLog(ctx context.Context, id int64) (ReturnsLog, error)
+	InvalidateDocument(ctx context.Context, arg InvalidateDocumentParams) (Document, error)
+	ListAccounts(ctx context.Context, arg ListAccountsParams) ([]Account, error)
+	ListDocuments(ctx context.Context, arg ListDocumentsParams) ([]Document, error)
+	ListMails(ctx context.Context, arg ListMailsParams) ([]Mail, error)
+	ListPayments(ctx context.Context, arg ListPaymentsParams) ([]Payment, error)
+	ListPersons(ctx context.Context, arg ListPersonsParams) ([]Person, error)
+	ListProviders(ctx context.Context, arg ListProvidersParams) ([]Provider, error)
+	ListReturns(ctx context.Context, arg ListReturnsParams) ([]Return, error)
+	ListReturnsLogs(ctx context.Context, arg ListReturnsLogsParams) ([]ReturnsLog, error)
+	UpdateAccount(ctx context.Context, arg UpdateAccountParams) (Account, error)
+	UpdateDocument(ctx context.Context, arg UpdateDocumentParams) (Document, error)
+	UpdatePayment(ctx context.Context, arg UpdatePaymentParams) (Payment, error)
+	UpdatePerson(ctx context.Context, arg UpdatePersonParams) (Person, error)
+	UpdateProvider(ctx context.Context, arg UpdateProviderParams) (Provider, error)
+	UpdateReturn(ctx context.Context, arg UpdateReturnParams) (Return, error)
+	UpdateReturnsLog(ctx context.Context, arg UpdateReturnsLogParams) (ReturnsLog, error)
+	ValidateDocument(ctx context.Context, arg ValidateDocumentParams) (Document, error)
+}
+
+var _ Querier = (*Queries)(nil)
diff --git a/db/sqlc/store.go b/db/sqlc/store.go
index 3dcfb8b..77150e2 100644
--- a/db/sqlc/store.go
+++ b/db/sqlc/store.go
@@ -6,21 +6,25 @@ import (
 	"fmt"
 )
 
+type Store interface {
+	Querier
+}
+
 // Store provides all functions to execute db queries and transactions
-type Store struct {
+type SQLStore struct {
 	*Queries
 	db *sql.DB
 }
 
-func NewStore(db *sql.DB) *Store {
-	return &Store{
+func NewStore(db *sql.DB) Store {
+	return SQLStore{
 		db:      db,
 		Queries: New(db),
 	}
 }
 
 // execTx executes a function within a database transaction
-func (store *Store) execTx(ctx context.Context, fn func(*Queries) error) error {
+func (store *SQLStore) execTx(ctx context.Context, fn func(*Queries) error) error {
 	tx, err := store.db.BeginTx(ctx, nil)
 	if err != nil {
 		return err
diff --git a/go.mod b/go.mod
index 37d9eca..3e83533 100644
--- a/go.mod
+++ b/go.mod
@@ -5,9 +5,11 @@ go 1.21
 toolchain go1.21.1
 
 require (
+	github.com/gin-gonic/gin v1.9.1
 	github.com/lib/pq v1.10.9
 	github.com/spf13/viper v1.16.0
 	github.com/stretchr/testify v1.8.4
+	go.uber.org/mock v0.3.0
 )
 
 require (
@@ -18,7 +20,6 @@ require (
 	github.com/fsnotify/fsnotify v1.6.0 // indirect
 	github.com/gabriel-vasile/mimetype v1.4.2 // indirect
 	github.com/gin-contrib/sse v0.1.0 // indirect
-	github.com/gin-gonic/gin v1.9.1 // indirect
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
 	github.com/go-playground/validator/v10 v10.15.4 // indirect
diff --git a/go.sum b/go.sum
index aeaa512..99ce712 100644
--- a/go.sum
+++ b/go.sum
@@ -78,6 +78,8 @@ github.com/gin-gonic/gin v1.9.1/go.mod h1:hPrL7YrpYKXt5YId3A/Tnip5kqbEAP+KLuI3SU
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
+github.com/go-playground/assert/v2 v2.2.0 h1:JvknZsQTYeFEAhQwI4qEt9cyV5ONwRHC+lYKSsYSR8s=
+github.com/go-playground/assert/v2 v2.2.0/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
 github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA=
 github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY=
 github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY=
@@ -183,8 +185,6 @@ github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
 github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
-github.com/pelletier/go-toml/v2 v2.0.8 h1:0ctb6s9mE31h0/lhu+J6OPmVeDxJn+kYnJc2jZR9tGQ=
-github.com/pelletier/go-toml/v2 v2.0.8/go.mod h1:vuYfssBdrU2XDZ9bYydBu6t+6a6PYNcZljzZR9VXg+4=
 github.com/pelletier/go-toml/v2 v2.1.0 h1:FnwAJ4oYMvbT/34k9zzHuZNrhlz48GB3/s6at6/MHO4=
 github.com/pelletier/go-toml/v2 v2.1.0/go.mod h1:tJU2Z3ZkXwnxa4DPO899bsyIoywizdUvyaeZurnPPDc=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
@@ -217,7 +217,6 @@ github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
-github.com/stretchr/testify v1.8.3/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
 github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 github.com/subosito/gotenv v1.4.2 h1:X1TuBLAMDFbaTAChgCBLu3DU3UPyELpnF2jjJ2cz/S8=
@@ -236,6 +235,8 @@ go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.4/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk=
+go.uber.org/mock v0.3.0 h1:3mUxI1No2/60yUYax92Pt8eNOEecx2D3lcXZh2NEZJo=
+go.uber.org/mock v0.3.0/go.mod h1:a6FSlNadKUHUa9IP5Vyt1zh4fC7uAwxMutEAscFbkZc=
 golang.org/x/arch v0.0.0-20210923205945-b76863e36670/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
 golang.org/x/arch v0.5.0 h1:jpGode6huXQxcskEIpOCvrU+tzo81b6+oFLUYXWtH/Y=
 golang.org/x/arch v0.5.0/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
@@ -372,8 +373,6 @@ golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20220908164124-27713097b956/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.8.0 h1:EBmGv8NaZBZTWvrbjNoL6HVt+IVy3QDQpJs7VRIw3tU=
-golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.12.0 h1:CM0HF96J0hcLAwsHPJZjfdNzs0gftsLfgKt57wWHJ0o=
 golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
@@ -385,8 +384,6 @@ golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
-golang.org/x/text v0.9.0 h1:2sjJmO8cDvYveuX97RDLsxlyUxLl+GHoLxBiRdHllBE=
-golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
 golang.org/x/text v0.13.0 h1:ablQoSUd0tRdKxZewP80B+BaqeKJuVhuRxj/dkrun3k=
 golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
diff --git a/sqlc.yaml b/sqlc.yaml
index 37f62fe..93d369b 100644
--- a/sqlc.yaml
+++ b/sqlc.yaml
@@ -9,7 +9,7 @@ sql:
         out: "db/sqlc"
         sql_package: "lib/pq"
         emit_json_tags: true
-        emit_interface: false
+        emit_interface: true
         emit_empty_slices: true
         emit_exact_table_names: false
         overrides: