ethers-rs/ethers-middleware/tests/signer.rs

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use ethers_providers::{Http, Middleware, Provider};
use ethers_core::types::TransactionRequest;
use ethers_middleware::signer::SignerMiddleware;
use ethers_signers::LocalWallet;
use std::{convert::TryFrom, time::Duration};
#[tokio::test]
#[cfg(not(feature = "celo"))]
async fn send_eth() {
use ethers_core::utils::Ganache;
let ganache = Ganache::new().spawn();
// this private key belongs to the above mnemonic
let wallet: LocalWallet = ganache.keys()[0].clone().into();
let wallet2: LocalWallet = ganache.keys()[1].clone().into();
// connect to the network
let provider = Provider::<Http>::try_from(ganache.endpoint())
.unwrap()
.interval(Duration::from_millis(10u64));
let provider = SignerMiddleware::new(provider, wallet);
// craft the transaction
let tx = TransactionRequest::new().to(wallet2.address()).value(10000);
let balance_before = provider
.get_balance(provider.address(), None)
.await
.unwrap();
// send it!
provider.send_transaction(tx, None).await.unwrap();
let balance_after = provider
.get_balance(provider.address(), None)
.await
.unwrap();
assert!(balance_before > balance_after);
}
#[tokio::test]
#[cfg(feature = "celo")]
async fn test_send_transaction() {
// Celo testnet
let provider = Provider::<Http>::try_from("https://alfajores-forno.celo-testnet.org")
.unwrap()
.interval(Duration::from_millis(3000u64));
// Funded with https://celo.org/developers/faucet
// Please do not drain this account :)
let wallet = "d652abb81e8c686edba621a895531b1f291289b63b5ef09a94f686a5ecdd5db1"
.parse::<LocalWallet>()
.unwrap();
let client = SignerMiddleware::new(provider, wallet);
let balance_before = client.get_balance(client.address(), None).await.unwrap();
let tx = TransactionRequest::pay(client.address(), 100);
let tx_hash = client.send_transaction(tx, None).await.unwrap();
let _receipt = client
.pending_transaction(tx_hash)
.confirmations(3)
.await
.unwrap();
let balance_after = client.get_balance(client.address(), None).await.unwrap();
assert!(balance_before > balance_after);
}