use ethers_contract_derive::abigen; use ethers_core::abi::Address; use ethers_providers::Provider; use std::{ future::{Future, IntoFuture}, sync::Arc, }; fn _contract_call_into_future_is_send() { abigen!(DsProxyFactory, "ethers-middleware/contracts/DsProxyFactory.json"); let (provider, _) = Provider::mocked(); let client = Arc::new(provider); let contract = DsProxyFactory::new(Address::zero(), client); fn is_send(future: T) -> T { future } is_send(contract.cache().into_future()); }