--- a/crates/evm-coder/src/abi/impls.rs
+++ b/crates/evm-coder/src/abi/impls.rs
@@ -181,11 +181,6 @@
 	}
 }
 
-macro_rules! count {
-    () => (0usize);
-    ( $x:tt $($xs:tt)* ) => (1usize + count!($($xs)*));
-}
-
 macro_rules! impl_tuples {
 	($($ident:ident)+) => {
 		impl<$($ident: AbiType,)+> AbiType for ($($ident,)+)
--- a/pallets/common/src/eth.rs
+++ b/pallets/common/src/eth.rs
@@ -122,6 +122,13 @@
 	}
 }
 
+/// Ethereum representation of Optional value with CrossAddress.
+#[derive(Debug, Default, AbiCoder)]
+pub struct OptionCrossAddress {
+	pub status: bool,
+	pub value: CrossAddress,
+}
+
 /// Cross account struct
 #[derive(Debug, Default, AbiCoder)]
 pub struct CrossAddress {
--- a/pallets/evm-contract-helpers/src/eth.rs
+++ b/pallets/evm-contract-helpers/src/eth.rs
@@ -25,6 +25,7 @@
 	types::*,
 	ToLog,
 };
+use pallet_common::eth;
 use pallet_evm::{
 	ExitRevert, OnCreate, OnMethodCall, PrecompileResult, PrecompileFailure, PrecompileHandle,
 	account::CrossAccountId,
@@ -174,12 +175,17 @@
 	///
 	/// @param contractAddress The contract for which a sponsor is requested.
 	/// @return Tuble with sponsor address and his substrate mirror. If there is no confirmed sponsor error "Contract has no sponsor" throw.
-	fn sponsor(&self, contract_address: address) -> Result<pallet_common::eth::CrossAddress> {
-		Ok(
-			pallet_common::eth::CrossAddress::from_sub_cross_account::<T>(
-				&Pallet::<T>::get_sponsor(contract_address).ok_or("Contract has no sponsor")?,
-			),
-		)
+	fn sponsor(&self, contract_address: address) -> Result<eth::OptionCrossAddress> {
+		Ok(match Pallet::<T>::get_sponsor(contract_address) {
+			Some(ref value) => eth::OptionCrossAddress {
+				status: true,
+				value: eth::CrossAddress::from_sub_cross_account::<T>(value),
+			},
+			None => eth::OptionCrossAddress {
+				status: false,
+				value: Default::default(),
+			},
+		})
 	}
 
 	/// Check tat contract has confirmed sponsor.
--- a/pallets/evm-contract-helpers/src/stubs/ContractHelpers.sol
+++ b/pallets/evm-contract-helpers/src/stubs/ContractHelpers.sol
@@ -96,11 +96,11 @@
 	/// @return Tuble with sponsor address and his substrate mirror. If there is no confirmed sponsor error "Contract has no sponsor" throw.
 	/// @dev EVM selector for this function is: 0x766c4f37,
 	///  or in textual repr: sponsor(address)
-	function sponsor(address contractAddress) public view returns (CrossAddress memory) {
+	function sponsor(address contractAddress) public view returns (OptionCrossAddress memory) {
 		require(false, stub_error);
 		contractAddress;
 		dummy;
-		return CrossAddress(0x0000000000000000000000000000000000000000, 0);
+		return OptionCrossAddress(false, CrossAddress(0x0000000000000000000000000000000000000000, 0));
 	}
 
 	/// Check tat contract has confirmed sponsor.
@@ -270,3 +270,9 @@
 	address eth;
 	uint256 sub;
 }
+
+/// @dev Ethereum representation of Optional value with CrossAddress.
+struct OptionCrossAddress {
+	bool status;
+	CrossAddress value;
+}
--- a/pallets/unique/src/lib.rs
+++ b/pallets/unique/src/lib.rs
@@ -74,7 +74,7 @@
 extern crate alloc;
 
 use frame_support::{
-	decl_module, decl_storage, decl_error, decl_event,
+	decl_module, decl_storage, decl_error,
 	dispatch::DispatchResult,
 	ensure, fail,
 	weights::{Weight},
--- a/tests/src/eth/abi/contractHelpers.json
+++ b/tests/src/eth/abi/contractHelpers.json
@@ -223,10 +223,18 @@
     "outputs": [
       {
         "components": [
-          { "internalType": "address", "name": "eth", "type": "address" },
-          { "internalType": "uint256", "name": "sub", "type": "uint256" }
+          { "internalType": "bool", "name": "status", "type": "bool" },
+          {
+            "components": [
+              { "internalType": "address", "name": "eth", "type": "address" },
+              { "internalType": "uint256", "name": "sub", "type": "uint256" }
+            ],
+            "internalType": "struct CrossAddress",
+            "name": "value",
+            "type": "tuple"
+          }
         ],
-        "internalType": "struct CrossAddress",
+        "internalType": "struct OptionCrossAddress",
         "name": "",
         "type": "tuple"
       }
--- a/tests/src/eth/api/ContractHelpers.sol
+++ b/tests/src/eth/api/ContractHelpers.sol
@@ -69,7 +69,7 @@
 	/// @return Tuble with sponsor address and his substrate mirror. If there is no confirmed sponsor error "Contract has no sponsor" throw.
 	/// @dev EVM selector for this function is: 0x766c4f37,
 	///  or in textual repr: sponsor(address)
-	function sponsor(address contractAddress) external view returns (CrossAddress memory);
+	function sponsor(address contractAddress) external view returns (OptionCrossAddress memory);
 
 	/// Check tat contract has confirmed sponsor.
 	///
@@ -171,6 +171,12 @@
 	function toggleAllowlist(address contractAddress, bool enabled) external;
 }
 
+/// @dev Ethereum representation of Optional value with CrossAddress.
+struct OptionCrossAddress {
+	bool status;
+	CrossAddress value;
+}
+
 /// @dev Cross account struct
 struct CrossAddress {
 	address eth;
--- a/tests/src/eth/contractSponsoring.test.ts
+++ b/tests/src/eth/contractSponsoring.test.ts
@@ -42,7 +42,9 @@
     expect(await helpers.methods.hasSponsor(flipper.options.address).call()).to.be.true;
 
     // 1.1 Can get sponsor using methods.sponsor:
-    const actualSponsor = await helpers.methods.sponsor(flipper.options.address).call();
+    const actualSponsorOpt = await helpers.methods.sponsor(flipper.options.address).call();
+    expect(actualSponsorOpt.status).to.be.true;
+    const actualSponsor = actualSponsorOpt.value;
     expect(actualSponsor.eth).to.eq(flipper.options.address);
     expect(actualSponsor.sub).to.eq('0');
 
@@ -151,7 +153,9 @@
     expect(await helpers.methods.hasSponsor(flipper.options.address).call()).to.be.true;
 
     // 1.1 Can get sponsor using methods.sponsor:
-    const actualSponsor = await helpers.methods.sponsor(flipper.options.address).call();
+    const actualSponsorOpt = await helpers.methods.sponsor(flipper.options.address).call();
+    expect(actualSponsorOpt.status).to.be.true;
+    const actualSponsor = actualSponsorOpt.value;
     expect(actualSponsor.eth).to.eq(sponsor);
     expect(actualSponsor.sub).to.eq('0');