fix: set tx nonce and sender

bolt-spammer-helder/src/main.rs

@@ -1,10 +1,9 @@
-use std::str::FromStr;
-
 use alloy::{
     eips::eip2718::Encodable2718,
     hex,
     network::{EthereumWallet, TransactionBuilder},
     primitives::{keccak256, Address},
+    providers::{Provider, ProviderBuilder},
     signers::{local::PrivateKeySigner, Signer},
 };
 use beacon_api_client::mainnet::Client as BeaconApiClient;
@@ -27,7 +26,7 @@ use crate::{
 struct Opts {
     /// EL node URL to send transactions to
     #[clap(short = 'p', long, default_value = "https://rpc.helder-devnets.xyz", env)]
-    el_provider_url: String,
+    el_provider_url: Url,
     /// CL node URL to fetch the beacon chain info from
     #[clap(short = 'c', long, default_value = "http://localhost:4000", env)]
     beacon_client_url: Url,
@@ -47,15 +46,17 @@ async fn main() -> Result<()> {
     tracing_subscriber::fmt::init();
     tracing::info!("starting bolt-spammer-helder");
 
-    let _ = dotenvy::dotenv()?;
+    let _ = dotenvy::dotenv();
     let opts = Opts::parse();
 
     let wallet: PrivateKeySigner = opts.private_key.parse().expect("should parse private key");
     let transaction_signer: EthereumWallet = wallet.clone().into();
+    let provider = ProviderBuilder::new().on_http(opts.el_provider_url.clone());
+    let sender = wallet.address();
 
     let beacon_api_client = BeaconApiClient::new(opts.beacon_client_url);
 
-    let registry = BoltRegistry::new(Url::from_str(&opts.el_provider_url)?, opts.registry_address);
+    let registry = BoltRegistry::new(opts.el_provider_url, opts.registry_address);
 
     let current_slot = current_slot(&beacon_api_client).await?;
 
@@ -87,7 +88,9 @@ async fn main() -> Result<()> {
             }
         };
 
-    let tx = if opts.blob { generate_random_blob_tx() } else { generate_random_tx() };
+    let mut tx = if opts.blob { generate_random_blob_tx() } else { generate_random_tx() };
+    tx.set_from(sender);
+    tx.set_nonce(provider.get_transaction_count(sender).await?);
 
     let tx_signed = tx.build(&transaction_signer).await?;
     let tx_hash = tx_signed.tx_hash().to_string();