diff --git a/client/src/eth/handlers/roundup_relay_handler.rs b/client/src/eth/handlers/roundup_relay_handler.rs
index 8902a028..8ffbaac6 100644
--- a/client/src/eth/handlers/roundup_relay_handler.rs
+++ b/client/src/eth/handlers/roundup_relay_handler.rs
@@ -1,7 +1,6 @@
 use std::{sync::Arc, time::Duration};
 
 use alloy::{
-	dyn_abi::DynSolValue,
 	network::{primitives::ReceiptResponse as _, AnyNetwork},
 	primitives::{Address, PrimitiveSignature, B256, U256},
 	providers::{fillers::TxFiller, Provider, WalletProvider},
@@ -25,7 +24,7 @@ use br_primitives::{
 	},
 	eth::{BootstrapState, RoundUpEventStatus},
 	tx::{TxRequestMetadata, VSPPhase2Metadata},
-	utils::{recover_message, sub_display_format},
+	utils::{encode_roundup_param, recover_message, sub_display_format},
 };
 
 use crate::eth::{
@@ -197,17 +196,6 @@ where
 		Ok(log.log_decode::<RoundUp>()?.inner.data)
 	}
 
-	/// Encodes the given round and new relayers to bytes.
-	fn encode_relayer_array(&self, round: U256, new_relayers: &[Address]) -> Vec<u8> {
-		DynSolValue::Tuple(vec![
-			DynSolValue::Uint(round, 256),
-			DynSolValue::Array(
-				new_relayers.iter().map(|address| DynSolValue::Address(*address)).collect(),
-			),
-		])
-		.abi_encode()
-	}
-
 	/// Get the submitted signatures of the updated round.
 	async fn get_sorted_signatures(
 		&self,
@@ -225,7 +213,7 @@ where
 
 		let mut signature_vec = Vec::<PrimitiveSignature>::from(signatures);
 		signature_vec
-			.sort_by_key(|k| recover_message(*k, &self.encode_relayer_array(round, new_relayers)));
+			.sort_by_key(|k| recover_message(*k, &encode_roundup_param(round, &new_relayers)));
 
 		Ok(Signatures::from(signature_vec))
 	}
diff --git a/periodic/src/roundup_emitter.rs b/periodic/src/roundup_emitter.rs
index d54c2a29..751cca26 100644
--- a/periodic/src/roundup_emitter.rs
+++ b/periodic/src/roundup_emitter.rs
@@ -1,5 +1,4 @@
 use alloy::{
-	dyn_abi::DynSolValue,
 	network::AnyNetwork,
 	primitives::{Address, U256},
 	providers::{fillers::TxFiller, Provider, WalletProvider},
@@ -25,7 +24,7 @@ use br_primitives::{
 	},
 	eth::{BootstrapState, RoundUpEventStatus},
 	tx::{TxRequestMetadata, VSPPhase1Metadata},
-	utils::sub_display_format,
+	utils::{encode_roundup_param, sub_display_format},
 };
 use eyre::Result;
 
@@ -157,13 +156,7 @@ where
 		round: U256,
 		new_relayers: Vec<Address>,
 	) -> Result<TransactionRequest> {
-		let encoded_msg = DynSolValue::Tuple(vec![
-			DynSolValue::Uint(round, 256),
-			DynSolValue::Array(
-				new_relayers.iter().map(|address| DynSolValue::Address(*address)).collect(),
-			),
-		])
-		.abi_encode();
+		let encoded_msg = encode_roundup_param(round, &new_relayers);
 
 		let sigs = Signatures::from(self.client.sign_message(&encoded_msg).await?);
 		let round_up_submit = Round_Up_Submit { round, new_relayers, sigs };
diff --git a/primitives/src/utils.rs b/primitives/src/utils.rs
index e130198a..b6c1e205 100644
--- a/primitives/src/utils.rs
+++ b/primitives/src/utils.rs
@@ -1,4 +1,7 @@
-use alloy::primitives::{keccak256, Address, PrimitiveSignature, B256};
+use alloy::{
+	dyn_abi::DynSolValue,
+	primitives::{keccak256, Address, PrimitiveSignature, B256, U256},
+};
 use k256::{ecdsa::VerifyingKey, elliptic_curve::sec1::ToEncodedPoint};
 use rand::Rng as _;
 use sha3::{Digest, Keccak256};
@@ -13,6 +16,17 @@ pub fn generate_delay() -> u64 {
 	rand::thread_rng().gen_range(0..=12000)
 }
 
+/// Encodes the given round and new relayers to bytes.
+pub fn encode_roundup_param(round: U256, new_relayers: &[Address]) -> Vec<u8> {
+	DynSolValue::Tuple(vec![
+		DynSolValue::Uint(round, 256),
+		DynSolValue::Array(
+			new_relayers.iter().map(|address| DynSolValue::Address(*address)).collect(),
+		),
+	])
+	.abi_encode_params()
+}
+
 impl From<PrimitiveSignature> for EthereumSignature {
 	fn from(signature: PrimitiveSignature) -> Self {
 		let sig: [u8; 65] = signature.into();