diff --git a/pallets/mixer/src/lib.rs b/pallets/mixer/src/lib.rs
index cc1663a0..84ecd5ad 100644
--- a/pallets/mixer/src/lib.rs
+++ b/pallets/mixer/src/lib.rs
@@ -54,6 +54,8 @@ pub mod tests;
 mod benchmarking;
 pub mod weights;
 
+pub mod traits;
+
 use codec::{Decode, Encode};
 use frame_support::{debug, dispatch, ensure, traits::Get, weights::Weight};
 use frame_system::ensure_signed;
@@ -70,6 +72,7 @@ use sp_runtime::{
 	ModuleId,
 };
 use sp_std::prelude::*;
+use traits::ExtendedMixer;
 use weights::WeightInfo;
 
 pub use pallet::*;
@@ -528,3 +531,17 @@ impl<T: Config> Module<T> {
 		Ok(())
 	}
 }
+
+impl<T: Config> ExtendedMixer<T::AccountId, CurrencyIdOf<T>, BalanceOf<T>> for Pallet<T> {
+	fn create_new(
+		account_id: T::AccountId,
+		currency_id: CurrencyIdOf<T>,
+		size: BalanceOf<T>,
+	) -> Result<(), dispatch::DispatchError> {
+		let depth: u8 = <T as merkle::Config>::MaxTreeDepth::get();
+		let mixer_id: T::GroupId = T::Group::create_group(Self::account_id(), true, depth)?;
+		let mixer_info = MixerInfo::<T>::new(T::DepositLength::get(), size, Vec::new(), currency_id);
+		MixerGroups::<T>::insert(mixer_id, mixer_info);
+		Ok(())
+	}
+}
diff --git a/pallets/mixer/src/tests.rs b/pallets/mixer/src/tests.rs
index a1a41646..f1c5d707 100644
--- a/pallets/mixer/src/tests.rs
+++ b/pallets/mixer/src/tests.rs
@@ -1,5 +1,8 @@
 use super::*;
-use crate::mock::{new_test_ext, AccountId, Balances, MerkleGroups, Mixer, MixerCall, Origin, System, Test, Tokens};
+use crate::mock::{
+	new_test_ext, AccountId, Balance, Balances, CurrencyId, MerkleGroups, Mixer, MixerCall, Origin, System, Test,
+	Tokens,
+};
 use bulletproofs::{r1cs::Prover, BulletproofGens, PedersenGens};
 use bulletproofs_gadgets::{
 	fixed_deposit_tree::builder::FixedDepositTreeBuilder,
@@ -335,7 +338,11 @@ fn should_make_mixer_with_non_native_token() {
 	new_test_ext().execute_with(|| {
 		let currency_id = 1;
 		assert_ok!(Mixer::initialize());
-		assert_ok!(Mixer::create_new(Origin::signed(4), currency_id, 1_000));
+		assert_ok!(<Mixer as ExtendedMixer<AccountId, CurrencyId, Balance>>::create_new(
+			4,
+			currency_id,
+			1_000
+		));
 
 		let pc_gens = PedersenGens::default();
 		let poseidon = default_hasher(16400);
diff --git a/pallets/mixer/src/traits.rs b/pallets/mixer/src/traits.rs
new file mode 100644
index 00000000..6f5474c6
--- /dev/null
+++ b/pallets/mixer/src/traits.rs
@@ -0,0 +1,6 @@
+use frame_support::dispatch;
+
+pub trait ExtendedMixer<AccountId, CurrencyId, Balance> {
+	fn create_new(account_id: AccountId, currency_id: CurrencyId, size: Balance)
+		-> Result<(), dispatch::DispatchError>;
+}