diff --git a/crates/blacklight-contract-clients/src/common/mod.rs b/crates/blacklight-contract-clients/src/common/mod.rs
index a8001f0..8d581c0 100644
--- a/crates/blacklight-contract-clients/src/common/mod.rs
+++ b/crates/blacklight-contract-clients/src/common/mod.rs
@@ -10,7 +10,7 @@ pub mod event_helper;
 pub mod tx_submitter;
 
 pub async fn overestimate_gas<P: Provider, D: CallDecoder>(
-    call: &CallBuilder<&P, D>,
+    call: &CallBuilder<P, D>,
 ) -> anyhow::Result<u64> {
     // Estimate gas and add a 50% buffer
     let estimated_gas = call.estimate_gas().await.map_err(|e| {
diff --git a/crates/blacklight-contract-clients/src/common/tx_submitter.rs b/crates/blacklight-contract-clients/src/common/tx_submitter.rs
index 30f6b63..11a7ecf 100644
--- a/crates/blacklight-contract-clients/src/common/tx_submitter.rs
+++ b/crates/blacklight-contract-clients/src/common/tx_submitter.rs
@@ -1,3 +1,4 @@
+use crate::common::overestimate_gas;
 use alloy::{
     consensus::Transaction, contract::CallBuilder, primitives::B256, providers::Provider,
     rpc::types::TransactionReceipt, sol_types::SolInterface,
@@ -10,22 +11,22 @@ use tokio::sync::Mutex;
 use tracing::{info, warn};
 
 #[derive(Clone)]
-pub(crate) struct TransactionSubmitter<S> {
+pub struct TransactionSubmitter<S> {
     tx_lock: Arc<Mutex<()>>,
-    gas_limit: Option<u64>,
+    gas_buffer: bool,
     _decoder: PhantomData<S>,
 }
 
 impl<S: SolInterface + Debug + Clone> TransactionSubmitter<S> {
-    pub(crate) fn new(tx_lock: Arc<Mutex<()>>) -> Self {
+    pub fn new(tx_lock: Arc<Mutex<()>>) -> Self {
         Self {
             tx_lock,
-            gas_limit: None,
+            gas_buffer: false,
             _decoder: PhantomData,
         }
     }
 
-    pub(crate) async fn invoke<P, D>(&self, method: &str, call: CallBuilder<P, D>) -> Result<B256>
+    pub async fn invoke<P, D>(&self, method: &str, call: CallBuilder<P, D>) -> Result<B256>
     where
         P: Provider + Clone,
         D: alloy::contract::CallDecoder + Clone,
@@ -36,9 +37,12 @@ impl<S: SolInterface + Debug + Clone> TransactionSubmitter<S> {
             return Err(anyhow!("{method} reverted: {e}"));
         }
 
-        let call = match self.gas_limit {
-            Some(gas) => call.gas(gas),
-            None => call,
+        let (call, gas_limit) = match self.gas_buffer {
+            true => {
+                let gas = overestimate_gas(&call).await?;
+                (call.gas(gas), Some(gas))
+            }
+            false => (call, None),
         };
 
         let provider = call.provider.clone();
@@ -75,11 +79,11 @@ impl<S: SolInterface + Debug + Clone> TransactionSubmitter<S> {
 
         // Validate success
         if !receipt.status() {
-            if let Some(limit) = self.gas_limit {
+            if let Some(gas_limit) = gas_limit {
                 let used = receipt.gas_used;
-                if used >= limit {
+                if used >= gas_limit {
                     return Err(anyhow!(
-                        "{method} ran out of gas (used {used} of {limit} limit). Tx: {tx_hash:?}"
+                        "{method} ran out of gas (used {used} of {gas_limit} limit). Tx: {tx_hash:?}"
                     ));
                 }
             }
@@ -90,9 +94,9 @@ impl<S: SolInterface + Debug + Clone> TransactionSubmitter<S> {
         Ok(tx_hash)
     }
 
-    pub(crate) fn with_gas_limit(&self, limit: u64) -> Self {
+    pub fn with_gas_buffer(&self) -> Self {
         let mut this = self.clone();
-        this.gas_limit = Some(limit);
+        this.gas_buffer = true;
         this
     }
 
diff --git a/crates/blacklight-contract-clients/src/heartbeat_manager.rs b/crates/blacklight-contract-clients/src/heartbeat_manager.rs
index 90a07cf..7671b21 100644
--- a/crates/blacklight-contract-clients/src/heartbeat_manager.rs
+++ b/crates/blacklight-contract-clients/src/heartbeat_manager.rs
@@ -1,8 +1,8 @@
 use crate::common::event_helper::{BlockRange, listen_events, listen_events_filtered};
 use crate::htx::Htx;
 use crate::{
-    common::{overestimate_gas, tx_submitter::TransactionSubmitter},
-    heartbeat_manager::HearbeatManager::HearbeatManagerInstance,
+    common::tx_submitter::TransactionSubmitter,
+    heartbeat_manager::HeartbeatManager::HeartbeatManagerInstance,
 };
 use alloy::{
     primitives::{Address, B256, U256, keccak256},
@@ -23,7 +23,7 @@ sol! {
 
     #[sol(rpc)]
     #[derive(Debug)]
-    contract HearbeatManager {
+    contract HeartbeatManager {
         error ZeroAddress();
         error NotPending();
         error RoundClosed();
@@ -90,21 +90,22 @@ sol! {
     }
 }
 
-pub type RoundStartedEvent = HearbeatManager::RoundStarted;
-pub type OperatorVotedEvent = HearbeatManager::OperatorVoted;
-pub type HeartbeatEnqueuedEvent = HearbeatManager::HeartbeatEnqueued;
-pub type RoundFinalizedEvent = HearbeatManager::RoundFinalized;
-pub type RewardsDistributedEvent = HearbeatManager::RewardsDistributed;
-pub type RewardDistributionAbandonedEvent = HearbeatManager::RewardDistributionAbandoned;
-pub type SlashingCallbackFailedEvent = HearbeatManager::SlashingCallbackFailed;
+pub type RoundStartedEvent = HeartbeatManager::RoundStarted;
+pub type OperatorVotedEvent = HeartbeatManager::OperatorVoted;
+pub type HeartbeatEnqueuedEvent = HeartbeatManager::HeartbeatEnqueued;
+pub type RoundFinalizedEvent = HeartbeatManager::RoundFinalized;
+pub type RewardsDistributedEvent = HeartbeatManager::RewardsDistributed;
+pub type RewardDistributionAbandonedEvent = HeartbeatManager::RewardDistributionAbandoned;
+pub type SlashingCallbackFailedEvent = HeartbeatManager::SlashingCallbackFailed;
+pub type HeartbeatManagerErrors = HeartbeatManager::HeartbeatManagerErrors;
 
 /// WebSocket-based client for real-time event streaming and contract interaction with
 /// HeartbeatManager
 #[derive(Clone)]
 pub struct HeartbeatManagerClient<P: Provider + Clone> {
     provider: P,
-    contract: HearbeatManagerInstance<P>,
-    submitter: TransactionSubmitter<HearbeatManager::HearbeatManagerErrors>,
+    contract: HeartbeatManagerInstance<P>,
+    submitter: TransactionSubmitter<HeartbeatManager::HeartbeatManagerErrors>,
     block_lookback: u64,
 }
 
@@ -112,7 +113,7 @@ impl<P: Provider + Clone> HeartbeatManagerClient<P> {
     /// Create a new WebSocket client from ContractConfig
     pub fn new(provider: P, config: super::ContractConfig, tx_lock: Arc<Mutex<()>>) -> Self {
         let contract =
-            HearbeatManagerInstance::new(config.manager_contract_address, provider.clone());
+            HeartbeatManagerInstance::new(config.manager_contract_address, provider.clone());
         let submitter = TransactionSubmitter::new(tx_lock);
         Self {
             provider,
@@ -166,9 +167,8 @@ impl<P: Provider + Clone> HeartbeatManagerClient<P> {
         let snapshot_id = snapshot_id.saturating_sub(1);
         let raw_htx = alloy::primitives::Bytes::try_from(htx)?;
         let call = self.contract.submitHeartbeat(raw_htx, snapshot_id);
-        let gas_with_buffer = overestimate_gas(&call).await?;
         self.submitter
-            .with_gas_limit(gas_with_buffer)
+            .with_gas_buffer()
             .invoke("submitHeartbeat", call)
             .await
     }
@@ -190,9 +190,8 @@ impl<P: Provider + Clone> HeartbeatManagerClient<P> {
         let call = self
             .contract
             .submitVerdict(event.heartbeatKey, verdict, proofs);
-        let gas_with_buffer = overestimate_gas(&call).await?;
         self.submitter
-            .with_gas_limit(gas_with_buffer)
+            .with_gas_buffer()
             .invoke("submitVerdict", call)
             .await
     }
diff --git a/crates/blacklight-contract-clients/src/lib.rs b/crates/blacklight-contract-clients/src/lib.rs
index 1b615de..8d046b0 100644
--- a/crates/blacklight-contract-clients/src/lib.rs
+++ b/crates/blacklight-contract-clients/src/lib.rs
@@ -23,7 +23,7 @@ pub use staking_operators::StakingOperatorsClient;
 // ============================================================================
 
 // Heartbeat manager events
-pub use heartbeat_manager::HearbeatManager;
+pub use heartbeat_manager::HeartbeatManager;
 
 // ProtocolConfig events
 pub use protocol_config::ProtocolConfig;
diff --git a/keeper/src/clients.rs b/keeper/src/clients.rs
index 354ada9..2c4db89 100644
--- a/keeper/src/clients.rs
+++ b/keeper/src/clients.rs
@@ -5,9 +5,9 @@ use alloy::{
     providers::{DynProvider, Provider, ProviderBuilder, WsConnect},
     signers::local::PrivateKeySigner,
 };
-use blacklight_contract_clients::{HearbeatManager, StakingOperators};
+use blacklight_contract_clients::{HeartbeatManager, StakingOperators};
 
-pub type HeartbeatManagerInstance = HearbeatManager::HearbeatManagerInstance<DynProvider>;
+pub type HeartbeatManagerInstance = HeartbeatManager::HeartbeatManagerInstance<DynProvider>;
 pub type StakingOperatorsInstance = StakingOperators::StakingOperatorsInstance<DynProvider>;
 pub type JailingPolicyInstance = JailingPolicy::JailingPolicyInstance<DynProvider>;
 pub type EmissionsControllerInstance =
diff --git a/keeper/src/l2/escalator.rs b/keeper/src/l2/escalator.rs
index 361ea7d..fda3044 100644
--- a/keeper/src/l2/escalator.rs
+++ b/keeper/src/l2/escalator.rs
@@ -1,6 +1,9 @@
 use crate::{clients::L2KeeperClient, l2::KeeperState, metrics};
 use alloy::primitives::{B256, Bytes};
-use blacklight_contract_clients::common::errors::decode_any_error;
+use blacklight_contract_clients::{
+    common::{errors::decode_any_error, tx_submitter::TransactionSubmitter},
+    heartbeat_manager::HeartbeatManagerErrors,
+};
 use std::{collections::HashMap, sync::Arc};
 use tokio::sync::Mutex;
 use tracing::{info, warn};
@@ -8,11 +11,16 @@ use tracing::{info, warn};
 pub(crate) struct RoundEscalator {
     client: Arc<L2KeeperClient>,
     state: Arc<Mutex<KeeperState>>,
+    submitter: TransactionSubmitter<HeartbeatManagerErrors>,
 }
 
 impl RoundEscalator {
     pub(crate) fn new(client: Arc<L2KeeperClient>, state: Arc<Mutex<KeeperState>>) -> Self {
-        Self { client, state }
+        Self {
+            client,
+            state,
+            submitter: TransactionSubmitter::new(Default::default()),
+        }
     }
 
     pub(crate) async fn process_escalations(&self, block_timestamp: u64) -> anyhow::Result<()> {
@@ -78,12 +86,11 @@ impl RoundEscalator {
                 .heartbeat_manager()
                 .escalateOrExpire(heartbeat_key, raw_htx.clone());
 
-            match call.send().await {
-                Ok(pending) => {
-                    let receipt = pending.get_receipt().await?;
+            match self.submitter.invoke("escalateOrExpire", call).await {
+                Ok(tx_hash) => {
                     info!(
                         heartbeat_key = ?heartbeat_key,
-                        tx_hash = ?receipt.transaction_hash,
+                        tx_hash = ?tx_hash,
                         "Escalate/expire confirmed"
                     );
                     metrics::get().l2.escalations.inc_escalations();
@@ -115,12 +122,11 @@ impl RoundEscalator {
                 .heartbeat_manager()
                 .escalateOrExpire(heartbeat_key, raw_htx.clone());
 
-            match call.send().await {
-                Ok(pending) => {
-                    let receipt = pending.get_receipt().await?;
+            match self.submitter.invoke("escalateOrExpire", call).await {
+                Ok(tx_hash) => {
                     info!(
                         heartbeat_key = ?heartbeat_key,
-                        tx_hash = ?receipt.transaction_hash,
+                        tx_hash = ?tx_hash,
                         "Escalate/expire confirmed"
                     );
                     metrics::get().l2.escalations.inc_escalations();
diff --git a/keeper/src/l2/events.rs b/keeper/src/l2/events.rs
index 29264b4..75e74ff 100644
--- a/keeper/src/l2/events.rs
+++ b/keeper/src/l2/events.rs
@@ -6,7 +6,7 @@ use crate::{
 use alloy::{primitives::B256, rpc::types::Log, sol_types::SolEvent};
 use anyhow::Context;
 use blacklight_contract_clients::{
-    HearbeatManager::SlashingCallbackFailed,
+    HeartbeatManager::SlashingCallbackFailed,
     heartbeat_manager::{
         HeartbeatEnqueuedEvent, RewardDistributionAbandonedEvent, RewardsDistributedEvent,
         RoundFinalizedEvent, RoundStartedEvent, SlashingCallbackFailedEvent,
diff --git a/keeper/src/l2/rewards.rs b/keeper/src/l2/rewards.rs
index 5ebf77e..f4b8a25 100644
--- a/keeper/src/l2/rewards.rs
+++ b/keeper/src/l2/rewards.rs
@@ -7,7 +7,8 @@ use alloy::primitives::{Address, U256, map::HashMap, utils::format_units};
 use anyhow::{Context, anyhow, bail};
 use blacklight_contract_clients::{
     ProtocolConfig::ProtocolConfigInstance,
-    common::{errors::decode_any_error, overestimate_gas},
+    common::{errors::decode_any_error, tx_submitter::TransactionSubmitter},
+    heartbeat_manager::HeartbeatManagerErrors,
 };
 use std::sync::Arc;
 use tokio::sync::Mutex;
@@ -27,6 +28,7 @@ struct TokenContext {
 #[derive(Clone, Copy)]
 struct RewardsContext {
     token: TokenContext,
+    // These are block timestamps
     checked_at: u64,
     synced_at: u64,
     spendable: U256,
@@ -37,6 +39,7 @@ pub(crate) struct RewardsDistributor {
     client: Arc<L2KeeperClient>,
     state: Arc<Mutex<KeeperState>>,
     rewards_context: HashMap<Address, RewardsContext>,
+    submitter: TransactionSubmitter<HeartbeatManagerErrors>,
 }
 
 impl RewardsDistributor {
@@ -45,6 +48,7 @@ impl RewardsDistributor {
             client,
             state,
             rewards_context: Default::default(),
+            submitter: TransactionSubmitter::new(Default::default()).with_gas_buffer(),
         }
     }
 
@@ -75,14 +79,8 @@ impl RewardsDistributor {
             let balance = format_units(balance, token.decimals)?;
             let sync_limit = format_units(sync_limit, token.decimals)?;
             info!("Need to sync balance because balance ({balance}) > sync limit ({sync_limit})");
-            let receipt = reward_policy
-                .sync()
-                .send()
-                .await
-                .context("Failed to sync")?
-                .get_receipt()
-                .await?;
-            info!(tx_hash = ?receipt.transaction_hash, "Reward policy synced");
+            let tx_hash = self.submitter.invoke("sync", reward_policy.sync()).await?;
+            info!(tx_hash = ?tx_hash, "Reward policy synced");
         }
         Ok(())
     }
@@ -133,12 +131,10 @@ impl RewardsDistributor {
             self.client
                 .heartbeat_manager()
                 .distributeRewards(key.heartbeat_key, key.round, voters);
-        let gas_with_buffer = overestimate_gas(&call).await?;
-        match call.gas(gas_with_buffer).send().await {
-            Ok(pending) => {
-                let receipt = pending.get_receipt().await?;
+        match self.submitter.invoke("distributeRewards", call).await {
+            Ok(tx_hash) => {
                 info!(
-                    tx_hash = ?receipt.transaction_hash,
+                    tx_hash = ?tx_hash,
                     "Rewards distributed"
                 );
                 let mut state = self.state.lock().await;
@@ -164,7 +160,7 @@ impl RewardsDistributor {
             warn!("Reward policy address is zero, skipping");
             return Ok(false);
         }
-
+        let submitter = self.submitter.clone();
         let reward_policy = self.client.reward_policy(reward_address);
         let ctx = self.fetch_token_context(reward_address).await?;
         if ctx.checked_at != block_timestamp {
@@ -207,11 +203,10 @@ impl RewardsDistributor {
         ctx.synced_at = block_timestamp;
 
         info!("Reward budget unlocking, syncing policy",);
-        match reward_policy.sync().send().await {
-            Ok(pending) => {
-                let receipt = pending.get_receipt().await?;
+        match submitter.invoke("sync", reward_policy.sync()).await {
+            Ok(tx_hash) => {
                 info!(
-                    tx_hash = ?receipt.transaction_hash,
+                    tx_hash = ?tx_hash,
                     "Reward policy synced"
                 );
             }
diff --git a/keeper/src/l2/supervisor.rs b/keeper/src/l2/supervisor.rs
index e1cbc73..1b6930a 100644
--- a/keeper/src/l2/supervisor.rs
+++ b/keeper/src/l2/supervisor.rs
@@ -138,7 +138,7 @@ impl L2Supervisor {
                 .distribute_rewards(block_timestamp, key, outcome, members)
                 .await
             {
-                error!("Failed to process jailing: {e}");
+                error!("Failed to process reward distribution: {e}");
             }
         }