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feat: span flashbots so we can check timings #200

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Merged
prestwich merged 1 commit into from
Dec 19, 2025
Merged

feat: span flashbots so we can check timings #200

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12 changes: 9 additions & 3 deletions src/tasks/submit/flashbots.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,7 @@ use alloy::{
use eyre::OptionExt;
use init4_bin_base::{deps::metrics::counter, utils::signer::LocalOrAws};
use tokio::{sync::mpsc, task::JoinHandle};
use tracing::{Instrument, debug, debug_span, error};
use tracing::{Instrument, debug, debug_span, error, instrument};

/// Handles preparation and submission of simulated rollup blocks to the
/// Flashbots relay as MEV bundles.
Expand Down Expand Up @@ -69,6 +69,7 @@ impl FlashbotsTask {
/// 2. Tracking the transaction hash for monitoring
/// 3. Encoding the transaction for bundle inclusion
/// 4. Constructing the complete bundle body
#[instrument(skip_all, level = "debug")]
async fn prepare_bundle(&self, sim_result: &SimResult) -> eyre::Result<MevSendBundle> {
// Prepare and sign the transaction
let block_tx = self.prepare_signed_transaction(sim_result).await?;
Expand All @@ -95,6 +96,7 @@ impl FlashbotsTask {
///
/// Creates a `SubmitPrep` instance to build the transaction, then fills
/// and signs it using the host provider.
#[instrument(skip_all, level = "debug")]
async fn prepare_signed_transaction(
&self,
sim_result: &SimResult,
Expand All @@ -107,7 +109,11 @@ impl FlashbotsTask {
);

let tx = prep.prep_transaction(sim_result.prev_host()).await?;
let sendable = self.host_provider().fill(tx.into_request()).await?;
let sendable = self
.host_provider()
.fill(tx.into_request())
.instrument(tracing::debug_span!("fill_tx").or_current())
.await?;

sendable.as_envelope().ok_or_eyre("failed to get envelope from filled tx").cloned()
}
Expand Down Expand Up @@ -159,7 +165,7 @@ impl FlashbotsTask {
break;
};

let span = sim_result.sim_env.clone_span();
let span = sim_result.clone_span();

// Don't submit empty blocks
if sim_result.block.is_empty() {
Expand Down
3 changes: 2 additions & 1 deletion src/tasks/submit/prep.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@ use init4_bin_base::deps::metrics::counter;
use signet_sim::BuiltBlock;
use signet_types::{SignRequest, SignResponse};
use signet_zenith::Zenith;
use tracing::{Instrument, debug};
use tracing::{Instrument, debug, instrument};

/// Preparation logic for transactions issued to the host chain by the
/// [`SubmitTask`].
Expand Down Expand Up @@ -129,6 +129,7 @@ impl<'a> SubmitPrep<'a> {
}

/// Prepares a transaction for submission to the host chain.
#[instrument(skip_all, level = "debug")]
pub async fn prep_transaction(self, prev_host: &Header) -> eyre::Result<Bumpable> {
let req = self.new_tx_request().in_current_span().await?;
Ok(Bumpable::new(req, prev_host))
Expand Down