code: func (_m *BlockRetriever) Block(number uint64) *common.Block {
  	ret := _m.Called(number)
  
  	var r0 *common.Block
  	if rf, ok := ret.Get(0).(func(uint64) *common.Block); ok {
  		r0 = rf(number)
  	} else {
  		if ret.Get(0) != nil {
  			r0 = ret.Get(0).(*common.Block)
  		}
  	}
  
  	return r0
  }
docs: // Block provides a mock function with given fields: number