ethers-rs/ethers-middleware/tests/gas_escalator.rs

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use ethers_core::types::*;
use ethers_middleware::{
gas_escalator::{Frequency, GasEscalatorMiddleware, GeometricGasPrice},
signer::SignerMiddleware,
};
use ethers_providers::{Middleware, Provider, Ws};
use ethers_signers::LocalWallet;
use std::time::Duration;
#[tokio::test]
#[ignore]
async fn gas_escalator_live() {
// connect to ropsten for getting bad block times
let ws = Ws::connect("wss://ropsten.infura.io/ws/v3/fd8b88b56aa84f6da87b60f5441d6778")
.await
.unwrap();
let provider = Provider::new(ws).interval(Duration::from_millis(2000u64));
let wallet = "fdb33e2105f08abe41a8ee3b758726a31abdd57b7a443f470f23efce853af169"
.parse::<LocalWallet>()
.unwrap();
let address = wallet.address();
let provider = SignerMiddleware::new(provider, wallet);
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let escalator = GeometricGasPrice::new(5.0, 10u64, Some(2_000_000_000_000u64));
let provider = GasEscalatorMiddleware::new(provider, escalator, Frequency::Duration(3000));
let nonce = provider.get_transaction_count(address, None).await.unwrap();
let tx = TransactionRequest::pay(Address::zero(), 1u64).gas_price(10_000_000);
// broadcast 3 txs
provider
.send_transaction(tx.clone().nonce(nonce), None)
.await
.unwrap();
provider
.send_transaction(tx.clone().nonce(nonce + 1), None)
.await
.unwrap();
provider
.send_transaction(tx.clone().nonce(nonce + 2), None)
.await
.unwrap();
// Wait a bunch of seconds and refresh etherscan to see the transactions get bumped
tokio::time::sleep(std::time::Duration::from_secs(100)).await;
// TODO: Figure out how to test this behavior properly in a local network. If the gas price was bumped
// then the tx hash will be different
}