package testutils import ( "context" "github.com/stretchr/testify/mock" "github.com/ethereum/go-ethereum/common" "github.com/ethereum-optimism/optimism/op-supervisor/supervisor/types" ) type MockInteropBackend struct { Mock mock.Mock } func (m *MockInteropBackend) ExpectCheckBlock(chainID types.ChainID, blockNumber uint64, safety types.SafetyLevel, err error) { m.Mock.On("CheckBlock", chainID, blockNumber).Once().Return(safety, &err) } func (m *MockInteropBackend) CheckBlock(ctx context.Context, chainID types.ChainID, blockHash common.Hash, blockNumber uint64) (types.SafetyLevel, error) { result := m.Mock.MethodCalled("CheckBlock", chainID, blockNumber) return result.Get(0).(types.SafetyLevel), *result.Get(1).(*error) } func (m *MockInteropBackend) AssertExpectations(t mock.TestingT) { m.Mock.AssertExpectations(t) }