git.delta.rocks / unique-network / refs/commits / 32d10d5b642a

--- a/Makefile
+++ b/Makefile
@@ -93,5 +93,9 @@
 bench-structure:
 	make _bench PALLET=structure
 
+.PHONY: bench-rmrk-core
+bench-rmrk-core:
+	make _bench PALLET=proxy-rmrk-core
+
 .PHONY: bench
-bench: bench-evm-migration bench-unique bench-structure bench-fungible bench-refungible bench-nonfungible
+bench: bench-evm-migration bench-unique bench-structure bench-fungible bench-refungible bench-nonfungible bench-rmrk-core

--- a/pallets/common/src/benchmarking.rs
+++ b/pallets/common/src/benchmarking.rs
@@ -109,7 +109,7 @@
 	create_collection_raw(
 		owner,
 		CollectionMode::NFT,
-		|owner, data| <Pallet<T>>::init_collection(owner, data),
+		|owner, data| <Pallet<T>>::init_collection(owner, data, true),
 		|h| h,
 	)
 }

--- a/pallets/common/src/dispatch.rs
+++ b/pallets/common/src/dispatch.rs
@@ -11,7 +11,7 @@
 use crate::{pallet::Config, CommonCollectionOperations, CollectionHandle};
 
 // TODO: move to benchmarking
-/// Price of [`dispatch_call`] call with noop `call` argument
+/// Price of [`dispatch_tx`] call with noop `call` argument
 pub fn dispatch_weight<T: Config>() -> Weight {
 	// Read collection
 	<T as frame_system::Config>::DbWeight::get().reads(1)
@@ -21,7 +21,7 @@
 }
 
 /// Helper function to implement substrate calls for common collection methods
-pub fn dispatch_call<
+pub fn dispatch_tx<
 	T: Config,
 	C: FnOnce(&dyn CommonCollectionOperations<T>) -> DispatchResultWithPostInfo,
 >(

--- a/pallets/common/src/lib.rs
+++ b/pallets/common/src/lib.rs
@@ -427,7 +427,7 @@
 		/// Target collection doesn't supports this operation
 		UnsupportedOperation,
 
-		/// Not sufficient founds to perform action
+		/// Not sufficient funds to perform action
 		NotSufficientFounds,
 
 		/// Collection has nesting disabled

--- a/pallets/nonfungible/src/benchmarking.rs
+++ b/pallets/nonfungible/src/benchmarking.rs
@@ -51,7 +51,7 @@
 	create_collection_raw(
 		owner,
 		CollectionMode::NFT,
-		<Pallet<T>>::init_collection,
+		|owner, data| <Pallet<T>>::init_collection(owner, data, true),
 		NonfungibleHandle::cast,
 	)
 }
@@ -99,7 +99,7 @@
 			sender: cross_from_sub(owner); burner: cross_sub;
 		};
 		let item = create_max_item(&collection, &sender, burner.clone())?;
-	}: {<Pallet<T>>::burn_recursively(&collection, &burner, item, &Unlimited, &Unlimited)}
+	}: {<Pallet<T>>::burn_recursively(&collection, &burner, item, &Unlimited, &Unlimited)?}
 
 	burn_recursively_breadth_plus_self_plus_self_per_each_raw {
 		let b in 0..200;
@@ -111,7 +111,7 @@
 		for i in 0..b {
 			create_max_item(&collection, &sender, T::CrossTokenAddressMapping::token_to_address(collection.id, item))?;
 		}
-	}: {<Pallet<T>>::burn_recursively(&collection, &burner, item, &Unlimited, &Unlimited)}
+	}: {<Pallet<T>>::burn_recursively(&collection, &burner, item, &Unlimited, &Unlimited)?}
 
 	transfer {
 		bench_init!{
@@ -183,7 +183,7 @@
 			value: property_value(),
 		}).collect::<Vec<_>>();
 		let item = create_max_item(&collection, &owner, owner.clone())?;
-	}: {<Pallet<T>>::set_token_properties(&collection, &owner, item, props)?}
+	}: {<Pallet<T>>::set_token_properties(&collection, &owner, item, props, false)?}
 
 	delete_token_properties {
 		let b in 0..MAX_PROPERTIES_PER_ITEM;
@@ -205,7 +205,7 @@
 			value: property_value(),
 		}).collect::<Vec<_>>();
 		let item = create_max_item(&collection, &owner, owner.clone())?;
-		<Pallet<T>>::set_token_properties(&collection, &owner, item, props)?;
+		<Pallet<T>>::set_token_properties(&collection, &owner, item, props, false)?;
 		let to_delete = (0..b).map(|k| property_key(k as usize)).collect::<Vec<_>>();
 	}: {<Pallet<T>>::delete_token_properties(&collection, &owner, item, to_delete)?}
 }

--- a/pallets/proxy-rmrk-core/src/lib.rs
+++ b/pallets/proxy-rmrk-core/src/lib.rs
@@ -31,9 +31,15 @@
 
 pub use pallet::*;
 
+#[cfg(feature = "runtime-benchmarks")]
+pub mod benchmarking;
 pub mod misc;
 pub mod property;
+pub mod weights;
+
+pub type SelfWeightOf<T> = <T as Config>::WeightInfo;
 
+use weights::WeightInfo;
 use misc::*;
 pub use property::*;
 
@@ -51,6 +57,7 @@
 		frame_system::Config + pallet_common::Config + pallet_nonfungible::Config + account::Config
 	{
 		type Event: From<Event<Self>> + IsType<<Self as frame_system::Config>::Event>;
+		type WeightInfo: WeightInfo;
 	}
 
 	#[pallet::storage]
@@ -169,8 +176,9 @@
 
 	#[pallet::call]
 	impl<T: Config> Pallet<T> {
-		#[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]
+		/// Create a collection
 		#[transactional]
+		#[pallet::weight(<SelfWeightOf<T>>::create_collection())]
 		pub fn create_collection(
 			origin: OriginFor<T>,
 			metadata: RmrkString,
@@ -222,6 +230,7 @@
 			Ok(())
 		}
 
+		/// destroy collection
 		#[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]
 		#[transactional]
 		pub fn destroy_collection(
@@ -248,6 +257,12 @@
 			Ok(())
 		}
 
+		/// Change the issuer of a collection
+		///
+		/// Parameters:
+		/// - `origin`: sender of the transaction
+		/// - `collection_id`: collection id of the nft to change issuer of
+		/// - `new_issuer`: Collection's new issuer
 		#[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]
 		#[transactional]
 		pub fn change_collection_issuer(
@@ -278,6 +293,7 @@
 			Ok(())
 		}
 
+		/// lock collection
 		#[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]
 		#[transactional]
 		pub fn lock_collection(
@@ -309,6 +325,16 @@
 			Ok(())
 		}
 
+		/// Mints an NFT in the specified collection
+		/// Sets metadata and the royalty attribute
+		///
+		/// Parameters:
+		/// - `collection_id`: The class of the asset to be minted.
+		/// - `nft_id`: The nft value of the asset to be minted.
+		/// - `recipient`: Receiver of the royalty
+		/// - `royalty`: Permillage reward from each trade for the Recipient
+		/// - `metadata`: Arbitrary data about an nft, e.g. IPFS hash
+		/// - `transferable`: Ability to transfer this NFT
 		#[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]
 		#[transactional]
 		pub fn mint_nft(
@@ -378,6 +404,7 @@
 			Ok(())
 		}
 
+		/// burn nft
 		#[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]
 		#[transactional]
 		pub fn burn_nft(
@@ -409,6 +436,13 @@
 			Ok(())
 		}
 
+		/// Transfers a NFT from an Account or NFT A to another Account or NFT B
+		///
+		/// Parameters:
+		/// - `origin`: sender of the transaction
+		/// - `rmrk_collection_id`: collection id of the nft to be transferred
+		/// - `rmrk_nft_id`: nft id of the nft to be transferred
+		/// - `new_owner`: new owner of the nft which can be either an account or a NFT
 		#[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]
 		#[transactional]
 		pub fn send(
@@ -462,7 +496,7 @@
 
 					let target_nft_budget = budget::Value::new(NESTING_BUDGET);
 
-					let target_nft_owner = <PalletStructure<T>>::get_checked_indirect_owner(
+					let target_nft_owner = <PalletStructure<T>>::get_checked_topmost_owner(
 						target_collection_id,
 						target_nft_id.into(),
 						Some((collection_id, nft_id)),
@@ -513,6 +547,14 @@
 			Ok(())
 		}
 
+		/// Accepts an NFT sent from another account to self or owned NFT
+		///
+		/// Parameters:
+		/// - `origin`: sender of the transaction
+		/// - `rmrk_collection_id`: collection id of the nft to be accepted
+		/// - `rmrk_nft_id`: nft id of the nft to be accepted
+		/// - `new_owner`: either origin's account ID or origin-owned NFT, whichever the NFT was
+		///   sent to
 		#[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]
 		#[transactional]
 		pub fn accept_nft(
@@ -582,6 +624,12 @@
 			Ok(())
 		}
 
+		/// Rejects an NFT sent from another account to self or owned NFT
+		///
+		/// Parameters:
+		/// - `origin`: sender of the transaction
+		/// - `rmrk_collection_id`: collection id of the nft to be accepted
+		/// - `rmrk_nft_id`: nft id of the nft to be accepted
 		#[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]
 		#[transactional]
 		pub fn reject_nft(
@@ -618,6 +666,7 @@
 			Ok(())
 		}
 
+		/// accept the addition of a new resource to an existing NFT
 		#[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]
 		#[transactional]
 		pub fn accept_resource(
@@ -674,6 +723,7 @@
 			Ok(())
 		}
 
+		/// accept the removal of a resource of an existing NFT
 		#[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]
 		#[transactional]
 		pub fn accept_resource_removal(
@@ -731,6 +781,7 @@
 			Ok(())
 		}
 
+		/// set a custom value on an NFT
 		#[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]
 		#[transactional]
 		pub fn set_property(
@@ -790,6 +841,7 @@
 			Ok(())
 		}
 
+		/// set a different order of resource priority
 		#[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]
 		#[transactional]
 		pub fn set_priority(
@@ -828,6 +880,7 @@
 			Ok(())
 		}
 
+		/// Create basic resource
 		#[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]
 		#[transactional]
 		pub fn add_basic_resource(
@@ -865,6 +918,7 @@
 			Ok(())
 		}
 
+		/// Create composable resource
 		#[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]
 		#[transactional]
 		pub fn add_composable_resource(
@@ -905,6 +959,7 @@
 			Ok(())
 		}
 
+		/// Create slot resource
 		#[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]
 		#[transactional]
 		pub fn add_slot_resource(
@@ -944,6 +999,7 @@
 			Ok(())
 		}
 
+		/// remove resource
 		#[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]
 		#[transactional]
 		pub fn remove_resource(

--- a/pallets/proxy-rmrk-core/src/misc.rs
+++ b/pallets/proxy-rmrk-core/src/misc.rs
@@ -1,3 +1,19 @@
+// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
+// This file is part of Unique Network.
+
+// Unique Network is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Unique Network is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
+
 use super::*;
 use codec::{Encode, Decode, Error};
 

--- a/pallets/proxy-rmrk-core/src/property.rs
+++ b/pallets/proxy-rmrk-core/src/property.rs
@@ -1,3 +1,19 @@
+// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
+// This file is part of Unique Network.
+
+// Unique Network is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Unique Network is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
+
 use super::*;
 use core::convert::AsRef;
 

--- a/pallets/proxy-rmrk-equip/src/lib.rs
+++ b/pallets/proxy-rmrk-equip/src/lib.rs
@@ -74,6 +74,15 @@
 
 	#[pallet::call]
 	impl<T: Config> Pallet<T> {
+		/// Creates a new Base.
+		/// Modeled after [base interaction](https://github.com/rmrk-team/rmrk-spec/blob/master/standards/rmrk2.0.0/interactions/base.md)
+		///
+		/// Parameters:
+		/// - origin: Caller, will be assigned as the issuer of the Base
+		/// - base_type: media type, e.g. "svg"
+		/// - symbol: arbitrary client-chosen symbol
+		/// - parts: array of Fixed and Slot parts composing the base, confined in length by
+		///   RmrkPartsLimit
 		#[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]
 		#[transactional]
 		pub fn create_base(
@@ -137,6 +146,19 @@
 			Ok(())
 		}
 
+		/// Adds a Theme to a Base.
+		/// Modeled after [themeadd interaction](https://github.com/rmrk-team/rmrk-spec/blob/master/standards/rmrk2.0.0/interactions/themeadd.md)
+		/// Themes are stored in the Themes storage
+		/// A Theme named "default" is required prior to adding other Themes.
+		///
+		/// Parameters:
+		/// - origin: The caller of the function, must be issuer of the base
+		/// - base_id: The Base containing the Theme to be updated
+		/// - theme: The Theme to add to the Base.  A Theme has a name and properties, which are an
+		///   array of [key, value, inherit].
+		///   - key: arbitrary BoundedString, defined by client
+		///   - value: arbitrary BoundedString, defined by client
+		///   - inherit: optional bool
 		#[pallet::weight(10_000 + T::DbWeight::get().reads_writes(1,1))]
 		#[transactional]
 		pub fn theme_add(

--- a/pallets/unique/src/lib.rs
+++ b/pallets/unique/src/lib.rs
@@ -44,7 +44,7 @@
 };
 use pallet_evm::account::CrossAccountId;
 use pallet_common::{
-	CollectionHandle, Pallet as PalletCommon, CommonWeightInfo, dispatch::dispatch_call,
+	CollectionHandle, Pallet as PalletCommon, CommonWeightInfo, dispatch::dispatch_tx,
 	dispatch::CollectionDispatch,
 };
 pub mod eth;
@@ -581,7 +581,7 @@
 			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
 			let budget = budget::Value::new(NESTING_BUDGET);
 
-			dispatch_call::<T, _>(collection_id, |d| d.create_item(sender, owner, data, &budget))
+			dispatch_tx::<T, _>(collection_id, |d| d.create_item(sender, owner, data, &budget))
 		}
 
 		/// This method creates multiple items in a collection created with CreateCollection method.
@@ -609,7 +609,7 @@
 			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
 			let budget = budget::Value::new(NESTING_BUDGET);
 
-			dispatch_call::<T, _>(collection_id, |d| d.create_multiple_items(sender, owner, items_data, &budget))
+			dispatch_tx::<T, _>(collection_id, |d| d.create_multiple_items(sender, owner, items_data, &budget))
 		}
 
 		#[weight = T::CommonWeightInfo::set_collection_properties(properties.len() as u32)]
@@ -623,7 +623,7 @@
 
 			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
 
-			dispatch_call::<T, _>(collection_id, |d| d.set_collection_properties(sender, properties))
+			dispatch_tx::<T, _>(collection_id, |d| d.set_collection_properties(sender, properties))
 		}
 
 		#[weight = T::CommonWeightInfo::delete_collection_properties(property_keys.len() as u32)]
@@ -637,7 +637,7 @@
 
 			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
 
-			dispatch_call::<T, _>(collection_id, |d| d.delete_collection_properties(&sender, property_keys))
+			dispatch_tx::<T, _>(collection_id, |d| d.delete_collection_properties(&sender, property_keys))
 		}
 
 		#[weight = T::CommonWeightInfo::set_token_properties(properties.len() as u32)]
@@ -652,7 +652,7 @@
 
 			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
 
-			dispatch_call::<T, _>(collection_id, |d| d.set_token_properties(sender, token_id, properties))
+			dispatch_tx::<T, _>(collection_id, |d| d.set_token_properties(sender, token_id, properties))
 		}
 
 		#[weight = T::CommonWeightInfo::delete_token_properties(property_keys.len() as u32)]
@@ -667,7 +667,7 @@
 
 			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
 
-			dispatch_call::<T, _>(collection_id, |d| d.delete_token_properties(sender, token_id, property_keys))
+			dispatch_tx::<T, _>(collection_id, |d| d.delete_token_properties(sender, token_id, property_keys))
 		}
 
 		#[weight = T::CommonWeightInfo::set_property_permissions(property_permissions.len() as u32)]
@@ -681,7 +681,7 @@
 
 			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
 
-			dispatch_call::<T, _>(collection_id, |d| d.set_property_permissions(&sender, property_permissions))
+			dispatch_tx::<T, _>(collection_id, |d| d.set_property_permissions(&sender, property_permissions))
 		}
 
 		#[weight = T::CommonWeightInfo::create_multiple_items_ex(&data)]
@@ -690,7 +690,7 @@
 			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
 			let budget = budget::Value::new(NESTING_BUDGET);
 
-			dispatch_call::<T, _>(collection_id, |d| d.create_multiple_items_ex(sender, data, &budget))
+			dispatch_tx::<T, _>(collection_id, |d| d.create_multiple_items_ex(sender, data, &budget))
 		}
 
 		// TODO! transaction weight
@@ -738,7 +738,7 @@
 		pub fn burn_item(origin, collection_id: CollectionId, item_id: TokenId, value: u128) -> DispatchResultWithPostInfo {
 			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
 
-			let post_info = dispatch_call::<T, _>(collection_id, |d| d.burn_item(sender, item_id, value))?;
+			let post_info = dispatch_tx::<T, _>(collection_id, |d| d.burn_item(sender, item_id, value))?;
 			if value == 1 {
 				<NftTransferBasket<T>>::remove(collection_id, item_id);
 				<NftApproveBasket<T>>::remove(collection_id, item_id);
@@ -771,7 +771,7 @@
 			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
 			let budget = budget::Value::new(NESTING_BUDGET);
 
-			dispatch_call::<T, _>(collection_id, |d| d.burn_from(sender, from, item_id, value, &budget))
+			dispatch_tx::<T, _>(collection_id, |d| d.burn_from(sender, from, item_id, value, &budget))
 		}
 
 		/// Change ownership of the token.
@@ -803,7 +803,7 @@
 			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
 			let budget = budget::Value::new(NESTING_BUDGET);
 
-			dispatch_call::<T, _>(collection_id, |d| d.transfer(sender, recipient, item_id, value, &budget))
+			dispatch_tx::<T, _>(collection_id, |d| d.transfer(sender, recipient, item_id, value, &budget))
 		}
 
 		/// Set, change, or remove approved address to transfer the ownership of the NFT.
@@ -826,7 +826,7 @@
 		pub fn approve(origin, spender: T::CrossAccountId, collection_id: CollectionId, item_id: TokenId, amount: u128) -> DispatchResultWithPostInfo {
 			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
 
-			dispatch_call::<T, _>(collection_id, |d| d.approve(sender, spender, item_id, amount))
+			dispatch_tx::<T, _>(collection_id, |d| d.approve(sender, spender, item_id, amount))
 		}
 
 		/// Change ownership of a NFT on behalf of the owner. See Approve method for additional information. After this method executes, the approval is removed so that the approved address will not be able to transfer this NFT again from this owner.
@@ -854,7 +854,7 @@
 			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
 			let budget = budget::Value::new(NESTING_BUDGET);
 
-			dispatch_call::<T, _>(collection_id, |d| d.transfer_from(sender, from, recipient, item_id, value, &budget))
+			dispatch_tx::<T, _>(collection_id, |d| d.transfer_from(sender, from, recipient, item_id, value, &budget))
 		}
 
 		#[weight = <SelfWeightOf<T>>::set_collection_limits()]

--- a/primitives/rmrk-rpc/src/lib.rs
+++ b/primitives/rmrk-rpc/src/lib.rs
@@ -1,3 +1,19 @@
+// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
+// This file is part of Unique Network.
+
+// Unique Network is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Unique Network is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
+
 #![cfg_attr(not(feature = "std"), no_std)]
 
 use sp_api::{Encode, Decode};

--- a/primitives/rmrk-traits/src/base.rs
+++ b/primitives/rmrk-traits/src/base.rs
@@ -1,3 +1,7 @@
+// Copyright (C) 2021-2022 RMRK
+// This file is part of rmrk-substrate.
+// License: Apache 2.0 modified by RMRK, see https://github.com/rmrk-team/rmrk-substrate/blob/main/LICENSE
+
 use codec::{Decode, Encode, MaxEncodedLen};
 use scale_info::TypeInfo;
 

--- a/primitives/rmrk-traits/src/collection.rs
+++ b/primitives/rmrk-traits/src/collection.rs
@@ -1,3 +1,7 @@
+// Copyright (C) 2021-2022 RMRK
+// This file is part of rmrk-substrate.
+// License: Apache 2.0 modified by RMRK, see https://github.com/rmrk-team/rmrk-substrate/blob/main/LICENSE
+
 use codec::{Decode, Encode, MaxEncodedLen};
 use scale_info::TypeInfo;
 

--- a/primitives/rmrk-traits/src/lib.rs
+++ b/primitives/rmrk-traits/src/lib.rs
@@ -1,3 +1,7 @@
+// Copyright (C) 2021-2022 RMRK
+// This file is part of rmrk-substrate.
+// License: Apache 2.0 modified by RMRK, see https://github.com/rmrk-team/rmrk-substrate/blob/main/LICENSE
+
 #![cfg_attr(not(feature = "std"), no_std)]
 
 pub mod base;

--- a/primitives/rmrk-traits/src/nft.rs
+++ b/primitives/rmrk-traits/src/nft.rs
@@ -1,3 +1,7 @@
+// Copyright (C) 2021-2022 RMRK
+// This file is part of rmrk-substrate.
+// License: Apache 2.0 modified by RMRK, see https://github.com/rmrk-team/rmrk-substrate/blob/main/LICENSE
+
 use codec::{Decode, Encode, MaxEncodedLen};
 use scale_info::TypeInfo;
 

--- a/primitives/rmrk-traits/src/part.rs
+++ b/primitives/rmrk-traits/src/part.rs
@@ -1,3 +1,7 @@
+// Copyright (C) 2021-2022 RMRK
+// This file is part of rmrk-substrate.
+// License: Apache 2.0 modified by RMRK, see https://github.com/rmrk-team/rmrk-substrate/blob/main/LICENSE
+
 use codec::{Decode, Encode, MaxEncodedLen};
 use scale_info::TypeInfo;
 

--- a/primitives/rmrk-traits/src/property.rs
+++ b/primitives/rmrk-traits/src/property.rs
@@ -1,3 +1,7 @@
+// Copyright (C) 2021-2022 RMRK
+// This file is part of rmrk-substrate.
+// License: Apache 2.0 modified by RMRK, see https://github.com/rmrk-team/rmrk-substrate/blob/main/LICENSE
+
 use codec::{Decode, Encode};
 use scale_info::TypeInfo;
 

--- a/primitives/rmrk-traits/src/resource.rs
+++ b/primitives/rmrk-traits/src/resource.rs
@@ -1,3 +1,7 @@
+// Copyright (C) 2021-2022 RMRK
+// This file is part of rmrk-substrate.
+// License: Apache 2.0 modified by RMRK, see https://github.com/rmrk-team/rmrk-substrate/blob/main/LICENSE
+
 use codec::{Decode, Encode, MaxEncodedLen};
 use scale_info::TypeInfo;
 

--- a/primitives/rmrk-traits/src/serialize.rs
+++ b/primitives/rmrk-traits/src/serialize.rs
@@ -1,3 +1,7 @@
+// Copyright (C) 2021-2022 RMRK
+// This file is part of rmrk-substrate.
+// License: Apache 2.0 modified by RMRK, see https://github.com/rmrk-team/rmrk-substrate/blob/main/LICENSE
+
 use core::convert::AsRef;
 use serde::ser::{self, Serialize};
 

--- a/primitives/rmrk-traits/src/theme.rs
+++ b/primitives/rmrk-traits/src/theme.rs
@@ -1,3 +1,7 @@
+// Copyright (C) 2021-2022 RMRK
+// This file is part of rmrk-substrate.
+// License: Apache 2.0 modified by RMRK, see https://github.com/rmrk-team/rmrk-substrate/blob/main/LICENSE
+
 use codec::{Decode, Encode};
 use scale_info::TypeInfo;
 

--- a/runtime/common/src/constants.rs
+++ b/runtime/common/src/constants.rs
@@ -1,3 +1,19 @@
+// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
+// This file is part of Unique Network.
+
+// Unique Network is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Unique Network is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
+
 use sp_runtime::Perbill;
 use frame_support::{
 	parameter_types,

--- a/runtime/common/src/dispatch.rs
+++ b/runtime/common/src/dispatch.rs
@@ -1,3 +1,19 @@
+// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
+// This file is part of Unique Network.
+
+// Unique Network is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Unique Network is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
+
 use frame_support::{dispatch::DispatchResult, ensure};
 use pallet_evm::{PrecompileHandle, PrecompileResult};
 use sp_core::H160;

--- a/runtime/common/src/lib.rs
+++ b/runtime/common/src/lib.rs
@@ -1,3 +1,19 @@
+// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
+// This file is part of Unique Network.
+
+// Unique Network is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Unique Network is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
+
 #![cfg_attr(not(feature = "std"), no_std)]
 
 pub mod constants;

--- a/runtime/common/src/runtime_apis.rs
+++ b/runtime/common/src/runtime_apis.rs
@@ -1,3 +1,19 @@
+// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
+// This file is part of Unique Network.
+
+// Unique Network is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Unique Network is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
+
 #[macro_export]
 macro_rules! impl_common_runtime_apis {
     (
@@ -331,30 +347,30 @@
                         .iter()
                         .filter_map(|(res_id)| Some(RmrkResourceInfo {
                             id: res_id.0,
-                            pending: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::PendingResourceAccept).unwrap(),
-                            pending_removal: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::PendingResourceRemoval).unwrap(),
-                            resource: match RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::ResourceType).unwrap() {
+                            pending: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::PendingResourceAccept).ok()?,
+                            pending_removal: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::PendingResourceRemoval).ok()?,
+                            resource: match RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::ResourceType).ok()? {
                                 ResourceType::Basic => RmrkResourceTypes::Basic(RmrkBasicResource {
-                                    src: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::Src).unwrap(),
-                                    metadata: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::Metadata).unwrap(),
-                                    license: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::License).unwrap(),
-                                    thumb: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::Thumb).unwrap(),
+                                    src: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::Src).ok()?,
+                                    metadata: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::Metadata).ok()?,
+                                    license: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::License).ok()?,
+                                    thumb: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::Thumb).ok()?,
                                 }),
                                 ResourceType::Composable => RmrkResourceTypes::Composable(RmrkComposableResource {
-                                    parts: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::Parts).unwrap(),
-                                    base: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::Base).unwrap(),
-                                    src: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::Src).unwrap(),
-                                    metadata: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::Metadata).unwrap(),
-                                    license: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::License).unwrap(),
-                                    thumb: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::Thumb).unwrap(),
+                                    parts: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::Parts).ok()?,
+                                    base: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::Base).ok()?,
+                                    src: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::Src).ok()?,
+                                    metadata: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::Metadata).ok()?,
+                                    license: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::License).ok()?,
+                                    thumb: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::Thumb).ok()?,
                                 }),
                                 ResourceType::Slot => RmrkResourceTypes::Slot(RmrkSlotResource {
-                                    base: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::Base).unwrap(),
-                                    src: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::Src).unwrap(),
-                                    metadata: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::Metadata).unwrap(),
-                                    slot: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::Slot).unwrap(),
-                                    license: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::License).unwrap(),
-                                    thumb: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::Thumb).unwrap(),
+                                    base: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::Base).ok()?,
+                                    src: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::Src).ok()?,
+                                    metadata: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::Metadata).ok()?,
+                                    slot: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::Slot).ok()?,
+                                    license: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::License).ok()?,
+                                    thumb: RmrkCore::get_nft_property_decoded(res_collection_id, *res_id, RmrkProperty::Thumb).ok()?,
                                 }),
                             },
                         }))
@@ -447,12 +463,10 @@
                     let theme_names = collection.collection_tokens()
                         .iter()
                         .filter_map(|token_id| {
-                            let nft_type = RmrkCore::get_nft_type(collection_id, *token_id).unwrap();
+                            let nft_type = RmrkCore::get_nft_type(collection_id, *token_id).ok()?;
 
                             match nft_type {
-                                Theme => Some(
-                                    RmrkCore::get_nft_property_decoded(collection_id, *token_id, RmrkProperty::ThemeName).unwrap()
-                                ),
+                                Theme => RmrkCore::get_nft_property_decoded(collection_id, *token_id, RmrkProperty::ThemeName).ok(),
                                 _ => None
                             }
                         })
@@ -829,6 +843,7 @@
                     list_benchmark!(list, extra, pallet_fungible, Fungible);
                     list_benchmark!(list, extra, pallet_refungible, Refungible);
                     list_benchmark!(list, extra, pallet_nonfungible, Nonfungible);
+                    list_benchmark!(list, extra, pallet_proxy_rmrk_core, RmrkCore);
                     // list_benchmark!(list, extra, pallet_evm_coder_substrate, EvmCoderSubstrate);
 
                     let storage_info = AllPalletsReversedWithSystemFirst::storage_info();
@@ -872,6 +887,7 @@
                     add_benchmark!(params, batches, pallet_fungible, Fungible);
                     add_benchmark!(params, batches, pallet_refungible, Refungible);
                     add_benchmark!(params, batches, pallet_nonfungible, Nonfungible);
+                    add_benchmark!(params, batches, pallet_proxy_rmrk_core, RmrkCore);
                     // add_benchmark!(params, batches, pallet_evm_coder_substrate, EvmCoderSubstrate);
 
                     if batches.is_empty() { return Err("Benchmark not found for this pallet.".into()) }

--- a/runtime/common/src/types.rs
+++ b/runtime/common/src/types.rs
@@ -1,3 +1,19 @@
+// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
+// This file is part of Unique Network.
+
+// Unique Network is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Unique Network is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
+
 use sp_runtime::{
 	traits::{Verify, IdentifyAccount, BlakeTwo256},
 	generic, MultiSignature,

--- a/runtime/opal/src/lib.rs
+++ b/runtime/opal/src/lib.rs
@@ -919,6 +919,7 @@
 }
 
 impl pallet_proxy_rmrk_core::Config for Runtime {
+	type WeightInfo = pallet_proxy_rmrk_core::weights::SubstrateWeight<Self>;
 	type Event = Event;
 }
 

--- a/runtime/quartz/src/lib.rs
+++ b/runtime/quartz/src/lib.rs
@@ -918,6 +918,7 @@
 }
 
 impl pallet_proxy_rmrk_core::Config for Runtime {
+	type WeightInfo = pallet_proxy_rmrk_core::weights::SubstrateWeight<Self>;
 	type Event = Event;
 }
 

--- a/runtime/unique/src/lib.rs
+++ b/runtime/unique/src/lib.rs
@@ -917,6 +917,7 @@
 }
 
 impl pallet_proxy_rmrk_core::Config for Runtime {
+	type WeightInfo = pallet_proxy_rmrk_core::weights::SubstrateWeight<Self>;
 	type Event = Event;
 }
 

--- a/tests/src/addCollectionAdmin.test.ts
+++ b/tests/src/addCollectionAdmin.test.ts
@@ -40,8 +40,10 @@
       expect(adminListAfterAddAdmin).to.be.deep.contains(normalizeAccountId(bob.address));
     });
   });
+});
 
-  it('Add admin using added collection admin.', async () => {
+describe('Negative Integration Test addCollectionAdmin(collection_id, new_admin_id):', () => {
+  it("Not owner can't add collection admin.", async () => {
     await usingApi(async (api, privateKeyWrapper) => {
       const collectionId = await createCollectionExpectSuccess();
       const alice = privateKeyWrapper('//Alice');
@@ -51,38 +53,43 @@
       const collection = await queryCollectionExpectSuccess(api, collectionId);
       expect(collection.owner.toString()).to.be.equal(alice.address);
 
-      const changeAdminTx = api.tx.unique.addCollectionAdmin(collectionId, normalizeAccountId(bob.address));
-      await submitTransactionAsync(alice, changeAdminTx);
-
       const adminListAfterAddAdmin = await getAdminList(api, collectionId);
-      expect(adminListAfterAddAdmin).to.be.deep.contains(normalizeAccountId(bob.address));
+      expect(adminListAfterAddAdmin).to.be.not.deep.contains(normalizeAccountId(bob.address));
 
       const changeAdminTxCharlie = api.tx.unique.addCollectionAdmin(collectionId, normalizeAccountId(charlie.address));
-      await submitTransactionAsync(bob, changeAdminTxCharlie);
+      await expect(submitTransactionAsync(bob, changeAdminTxCharlie)).to.be.rejected;
+     
       const adminListAfterAddNewAdmin = await getAdminList(api, collectionId);
-      expect(adminListAfterAddNewAdmin).to.be.deep.contains(normalizeAccountId(bob.address));
-      expect(adminListAfterAddNewAdmin).to.be.deep.contains(normalizeAccountId(charlie.address));
+      expect(adminListAfterAddNewAdmin).to.be.not.deep.contains(normalizeAccountId(bob.address));
+      expect(adminListAfterAddNewAdmin).to.be.not.deep.contains(normalizeAccountId(charlie.address));
     });
   });
-});
 
-describe('Negative Integration Test addCollectionAdmin(collection_id, new_admin_id):', () => {
-  it("Not owner can't add collection admin.", async () => {
+  it("Admin can't add collection admin.", async () => {
     await usingApi(async (api, privateKeyWrapper) => {
       const collectionId = await createCollectionExpectSuccess();
       const alice = privateKeyWrapper('//Alice');
-      const nonOwner = privateKeyWrapper('//Bob_stash');
+      const bob = privateKeyWrapper('//Bob');
+      const charlie = privateKeyWrapper('//CHARLIE');
+
+      const collection = await queryCollectionExpectSuccess(api, collectionId);
+      expect(collection.owner.toString()).to.be.equal(alice.address);
 
-      const changeAdminTx = api.tx.unique.addCollectionAdmin(collectionId, normalizeAccountId(alice.address));
-      await expect(submitTransactionExpectFailAsync(nonOwner, changeAdminTx)).to.be.rejected;
+      const changeAdminTx = api.tx.unique.addCollectionAdmin(collectionId, normalizeAccountId(bob.address));
+      await submitTransactionAsync(alice, changeAdminTx);
 
       const adminListAfterAddAdmin = await getAdminList(api, collectionId);
-      expect(adminListAfterAddAdmin).not.to.be.deep.contains(normalizeAccountId(alice.address));
+      expect(adminListAfterAddAdmin).to.be.deep.contains(normalizeAccountId(bob.address));
 
-      // Verifying that nothing bad happened (network is live, new collections can be created, etc.)
-      await createCollectionExpectSuccess();
+      const changeAdminTxCharlie = api.tx.unique.addCollectionAdmin(collectionId, normalizeAccountId(charlie.address));
+      await expect(submitTransactionAsync(bob, changeAdminTxCharlie)).to.be.rejected;
+     
+      const adminListAfterAddNewAdmin = await getAdminList(api, collectionId);
+      expect(adminListAfterAddNewAdmin).to.be.deep.contains(normalizeAccountId(bob.address));
+      expect(adminListAfterAddNewAdmin).to.be.not.deep.contains(normalizeAccountId(charlie.address));
     });
   });
+
   it("Can't add collection admin of not existing collection.", async () => {
     await usingApi(async (api, privateKeyWrapper) => {
       // tslint:disable-next-line: no-bitwise

--- a/tests/src/eth/allowlist.test.ts
+++ b/tests/src/eth/allowlist.test.ts
@@ -18,8 +18,8 @@
 import {contractHelpers, createEthAccountWithBalance, deployFlipper, itWeb3} from './util/helpers';
 
 describe('EVM allowlist', () => {
-  itWeb3('Contract allowlist can be toggled', async ({api, web3}) => {
-    const owner = await createEthAccountWithBalance(api, web3);
+  itWeb3('Contract allowlist can be toggled', async ({api, web3, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const flipper = await deployFlipper(web3, owner);
 
     const helpers = contractHelpers(web3, owner);
@@ -36,10 +36,10 @@
     expect(await helpers.methods.allowlistEnabled(flipper.options.address).call()).to.be.false;
   });
 
-  itWeb3('Non-allowlisted user can\'t call contract with allowlist enabled', async ({api, web3}) => {
-    const owner = await createEthAccountWithBalance(api, web3);
+  itWeb3('Non-allowlisted user can\'t call contract with allowlist enabled', async ({api, web3, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const flipper = await deployFlipper(web3, owner);
-    const caller = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
 
     const helpers = contractHelpers(web3, owner);
 

--- a/tests/src/eth/base.test.ts
+++ b/tests/src/eth/base.test.ts
@@ -32,16 +32,16 @@
 import Web3 from 'web3';
 
 describe('Contract calls', () => {
-  itWeb3('Call of simple contract fee is less than 0.2 UNQ', async ({web3, api}) => {
-    const deployer = await createEthAccountWithBalance(api, web3);
+  itWeb3('Call of simple contract fee is less than 0.2 UNQ', async ({web3, api, privateKeyWrapper}) => {
+    const deployer = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const flipper = await deployFlipper(web3, deployer);
 
     const cost = await recordEthFee(api, deployer, () => flipper.methods.flip().send({from: deployer}));
     expect(cost < BigInt(0.2 * Number(UNIQUE))).to.be.true;
   });
 
-  itWeb3('Balance transfer fee is less than 0.2 UNQ', async ({web3, api}) => {
-    const userA = await createEthAccountWithBalance(api, web3);
+  itWeb3('Balance transfer fee is less than 0.2 UNQ', async ({web3, api, privateKeyWrapper}) => {
+    const userA = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const userB = createEthAccount(web3);
 
     const cost = await recordEthFee(api, userA, () => web3.eth.sendTransaction({from: userA, to: userB, value: '1000000', ...GAS_ARGS}));
@@ -50,7 +50,7 @@
   });
 
   itWeb3('NFT transfer is close to 0.15 UNQ', async ({web3, api, privateKeyWrapper}) => {
-    const caller = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const receiver = createEthAccount(web3);
 
     const alice = privateKeyWrapper('//Alice');

--- a/tests/src/eth/collectionProperties.test.ts
+++ b/tests/src/eth/collectionProperties.test.ts
@@ -7,7 +7,7 @@
 describe('EVM collection properties', () => {
   itWeb3('Can be set', async({web3, api, privateKeyWrapper}) => {
     const alice = privateKeyWrapper('//Alice');
-    const caller = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});
 
     await addCollectionAdminExpectSuccess(alice, collection, {Ethereum: caller});
@@ -22,7 +22,7 @@
   });
   itWeb3('Can be deleted', async({web3, api, privateKeyWrapper}) => {
     const alice = privateKeyWrapper('//Alice');
-    const caller = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});
 
     await executeTransaction(api, alice, api.tx.unique.setCollectionProperties(collection, [{key: 'testKey', value: 'testValue'}]));

--- a/tests/src/eth/contractSponsoring.test.ts
+++ b/tests/src/eth/contractSponsoring.test.ts
@@ -44,8 +44,8 @@
 import {evmToAddress} from '@polkadot/util-crypto';
 
 describe('Sponsoring EVM contracts', () => {
-  itWeb3('Sponsoring can be set by the address that has deployed the contract', async ({api, web3}) => {
-    const owner = await createEthAccountWithBalance(api, web3);
+  itWeb3('Sponsoring can be set by the address that has deployed the contract', async ({api, web3, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const flipper = await deployFlipper(web3, owner);
     const helpers = contractHelpers(web3, owner);
     expect(await helpers.methods.sponsoringEnabled(flipper.options.address).call()).to.be.false;
@@ -53,9 +53,9 @@
     expect(await helpers.methods.sponsoringEnabled(flipper.options.address).call()).to.be.true;
   });
 
-  itWeb3('Sponsoring cannot be set by the address that did not deployed the contract', async ({api, web3}) => {
-    const owner = await createEthAccountWithBalance(api, web3);
-    const notOwner = await createEthAccountWithBalance(api, web3);
+  itWeb3('Sponsoring cannot be set by the address that did not deployed the contract', async ({api, web3, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const notOwner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const flipper = await deployFlipper(web3, owner);
     const helpers = contractHelpers(web3, owner);
     expect(await helpers.methods.sponsoringEnabled(flipper.options.address).call()).to.be.false;
@@ -66,8 +66,8 @@
   itWeb3('In generous mode, non-allowlisted user transaction will be sponsored', async ({api, web3, privateKeyWrapper}) => {
     const alice = privateKeyWrapper('//Alice');
 
-    const owner = await createEthAccountWithBalance(api, web3);
-    const caller = await createEthAccountWithBalance(api, web3);
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
 
     const flipper = await deployFlipper(web3, owner);
 
@@ -94,7 +94,7 @@
   itWeb3('Sponsoring is set, an address that has no UNQ can send a transaction and it works. Sponsor balance should decrease (allowlisted)', async ({api, web3, privateKeyWrapper}) => {
     const alice = privateKeyWrapper('//Alice');
 
-    const owner = await createEthAccountWithBalance(api, web3);
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const caller = createEthAccount(web3);
 
     const flipper = await deployFlipper(web3, owner);
@@ -124,7 +124,7 @@
   itWeb3('Sponsoring is set, an address that has no UNQ can send a transaction and it works. Sponsor balance should not decrease (non-allowlisted)', async ({api, web3, privateKeyWrapper}) => {
     const alice = privateKeyWrapper('//Alice');
 
-    const owner = await createEthAccountWithBalance(api, web3);
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const caller = createEthAccount(web3);
 
     const flipper = await deployFlipper(web3, owner);
@@ -152,8 +152,8 @@
   itWeb3('Sponsoring is set, an address that has UNQ can send a transaction and it works. User balance should not change', async ({api, web3, privateKeyWrapper}) => {
     const alice = privateKeyWrapper('//Alice');
 
-    const owner = await createEthAccountWithBalance(api, web3);
-    const caller = await createEthAccountWithBalance(api, web3);
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const originalCallerBalance = await web3.eth.getBalance(caller);
 
     const flipper = await deployFlipper(web3, owner);
@@ -181,8 +181,8 @@
   itWeb3('Sponsoring is limited, with setContractRateLimit. The limitation is working if transactions are sent more often, the sender pays the commission.', async ({api, web3, privateKeyWrapper}) => {
     const alice = privateKeyWrapper('//Alice');
 
-    const owner = await createEthAccountWithBalance(api, web3);
-    const caller = await createEthAccountWithBalance(api, web3);
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const originalCallerBalance = await web3.eth.getBalance(caller);
 
     const flipper = await deployFlipper(web3, owner);
@@ -214,30 +214,31 @@
   });
 
   // TODO: Find a way to calculate default rate limit
-  itWeb3('Default rate limit equals 7200', async ({api, web3}) => {
-    const owner = await createEthAccountWithBalance(api, web3);
+  itWeb3('Default rate limit equals 7200', async ({api, web3, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const flipper = await deployFlipper(web3, owner);
     const helpers = contractHelpers(web3, owner);
     expect(await helpers.methods.getSponsoringRateLimit(flipper.options.address).call()).to.be.equals('7200');
   });
 
-  itWeb3('Sponsoring collection from evm address via access list', async ({api, web3}) => {
-    const owner = await createEthAccountWithBalance(api, web3);
+  itWeb3('Sponsoring collection from evm address via access list', async ({api, web3, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const collectionHelpers = evmCollectionHelpers(web3, owner);
     let result = await collectionHelpers.methods.createNonfungibleCollection('Sponsor collection', '1', '1').send();
     const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);
-    const sponsor = await createEthAccountWithBalance(api, web3);
+    const sponsor = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
     result = await collectionEvm.methods.setCollectionSponsor(sponsor).send({from: owner});
     let collectionSub = (await getDetailedCollectionInfo(api, collectionId))!;
+    const ss58Format = (api.registry.getChainProperties())!.toJSON().ss58Format;
     expect(collectionSub.sponsorship.isUnconfirmed).to.be.true;
-    expect(collectionSub.sponsorship.asUnconfirmed.toHuman()).to.be.eq(evmToAddress(sponsor));
+    expect(collectionSub.sponsorship.asUnconfirmed.toHuman()).to.be.eq(evmToAddress(sponsor, Number(ss58Format)));
     await expect(collectionEvm.methods.confirmCollectionSponsorship().call()).to.be.rejectedWith('Caller is not set as sponsor');
 
     await collectionEvm.methods.confirmCollectionSponsorship().send({from: sponsor});
     collectionSub = (await getDetailedCollectionInfo(api, collectionId))!;
     expect(collectionSub.sponsorship.isConfirmed).to.be.true;
-    expect(collectionSub.sponsorship.asConfirmed.toHuman()).to.be.eq(evmToAddress(sponsor));
+    expect(collectionSub.sponsorship.asConfirmed.toHuman()).to.be.eq(evmToAddress(sponsor, Number(ss58Format)));
 
     const user = createEthAccount(web3);
     const nextTokenId = await collectionEvm.methods.nextTokenId().call();
@@ -289,23 +290,24 @@
     }
   });
 
-  itWeb3('Check that transaction via EVM spend money from sponsor address', async ({api, web3}) => {
-    const owner = await createEthAccountWithBalance(api, web3);
+  itWeb3('Check that transaction via EVM spend money from sponsor address', async ({api, web3, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const collectionHelpers = evmCollectionHelpers(web3, owner);
     let result = await collectionHelpers.methods.createNonfungibleCollection('Sponsor collection', '1', '1').send();
     const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);
-    const sponsor = await createEthAccountWithBalance(api, web3);
+    const sponsor = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
     result = await collectionEvm.methods.setCollectionSponsor(sponsor).send();
     let collectionSub = (await getDetailedCollectionInfo(api, collectionId))!;
+    const ss58Format = (api.registry.getChainProperties())!.toJSON().ss58Format;
     expect(collectionSub.sponsorship.isUnconfirmed).to.be.true;
-    expect(collectionSub.sponsorship.asUnconfirmed.toHuman()).to.be.eq(evmToAddress(sponsor));
+    expect(collectionSub.sponsorship.asUnconfirmed.toHuman()).to.be.eq(evmToAddress(sponsor, Number(ss58Format)));
     await expect(collectionEvm.methods.confirmCollectionSponsorship().call()).to.be.rejectedWith('Caller is not set as sponsor');
     const sponsorCollection = evmCollection(web3, sponsor, collectionIdAddress);
     await sponsorCollection.methods.confirmCollectionSponsorship().send();
     collectionSub = (await getDetailedCollectionInfo(api, collectionId))!;
     expect(collectionSub.sponsorship.isConfirmed).to.be.true;
-    expect(collectionSub.sponsorship.asConfirmed.toHuman()).to.be.eq(evmToAddress(sponsor));
+    expect(collectionSub.sponsorship.asConfirmed.toHuman()).to.be.eq(evmToAddress(sponsor, Number(ss58Format)));
 
     const user = createEthAccount(web3);
     await collectionEvm.methods.addCollectionAdmin(user).send();

--- a/tests/src/eth/createCollection.test.ts
+++ b/tests/src/eth/createCollection.test.ts
@@ -28,67 +28,68 @@
 } from './util/helpers';
 
 describe('Create collection from EVM', () => {
-  itWeb3('Create collection', async ({api, web3}) => {
-    const owner = await createEthAccountWithBalance(api, web3);
-    const collectionHelper = evmCollectionHelpers(web3, owner);
-    const collectionName = 'CollectionEVM';
-    const description = 'Some description';
-    const tokenPrefix = 'token prefix';
+  // itWeb3('Create collection', async ({api, web3, privateKeyWrapper}) => {
+  //   const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+  //   const collectionHelper = evmCollectionHelpers(web3, owner);
+  //   const collectionName = 'CollectionEVM';
+  //   const description = 'Some description';
+  //   const tokenPrefix = 'token prefix';
   
-    const collectionCountBefore = await getCreatedCollectionCount(api);
-    const result = await collectionHelper.methods
-      .createNonfungibleCollection(collectionName, description, tokenPrefix)
-      .send();
-    const collectionCountAfter = await getCreatedCollectionCount(api);
+  //   const collectionCountBefore = await getCreatedCollectionCount(api);
+  //   const result = await collectionHelper.methods
+  //     .createNonfungibleCollection(collectionName, description, tokenPrefix)
+  //     .send();
+  //   const collectionCountAfter = await getCreatedCollectionCount(api);
   
-    const {collectionId, collection} = await getCollectionAddressFromResult(api, result);
-    expect(collectionCountAfter - collectionCountBefore).to.be.eq(1);
-    expect(collectionId).to.be.eq(collectionCountAfter);
-    expect(collection.name.map(v => String.fromCharCode(v.toNumber())).join('')).to.be.eq(collectionName);
-    expect(collection.description.map(v => String.fromCharCode(v.toNumber())).join('')).to.be.eq(description);
-    expect(collection.tokenPrefix.toHuman()).to.be.eq(tokenPrefix);
-  });
+  //   const {collectionId, collection} = await getCollectionAddressFromResult(api, result);
+  //   expect(collectionCountAfter - collectionCountBefore).to.be.eq(1);
+  //   expect(collectionId).to.be.eq(collectionCountAfter);
+  //   expect(collection.name.map(v => String.fromCharCode(v.toNumber())).join('')).to.be.eq(collectionName);
+  //   expect(collection.description.map(v => String.fromCharCode(v.toNumber())).join('')).to.be.eq(description);
+  //   expect(collection.tokenPrefix.toHuman()).to.be.eq(tokenPrefix);
+  // });
 
-  itWeb3('Check collection address exist', async ({api, web3}) => {
-    const owner = await createEthAccountWithBalance(api, web3);
-    const collectionHelpers = evmCollectionHelpers(web3, owner);
+  // itWeb3('Check collection address exist', async ({api, web3, privateKeyWrapper}) => {
+  //   const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+  //   const collectionHelpers = evmCollectionHelpers(web3, owner);
   
-    const expectedCollectionId = await getCreatedCollectionCount(api) + 1;
-    const expectedCollectionAddress = collectionIdToAddress(expectedCollectionId);
-    expect(await collectionHelpers.methods
-      .isCollectionExist(expectedCollectionAddress)
-      .call()).to.be.false;
+  //   const expectedCollectionId = await getCreatedCollectionCount(api) + 1;
+  //   const expectedCollectionAddress = collectionIdToAddress(expectedCollectionId);
+  //   expect(await collectionHelpers.methods
+  //     .isCollectionExist(expectedCollectionAddress)
+  //     .call()).to.be.false;
 
-    await collectionHelpers.methods
-      .createNonfungibleCollection('A', 'A', 'A')
-      .send();
+  //   await collectionHelpers.methods
+  //     .createNonfungibleCollection('A', 'A', 'A')
+  //     .send();
     
-    expect(await collectionHelpers.methods
-      .isCollectionExist(expectedCollectionAddress)
-      .call()).to.be.true;
-  });
+  //   expect(await collectionHelpers.methods
+  //     .isCollectionExist(expectedCollectionAddress)
+  //     .call()).to.be.true;
+  // });
   
-  itWeb3('Set sponsorship', async ({api, web3}) => {
-    const owner = await createEthAccountWithBalance(api, web3);
+  itWeb3('Set sponsorship', async ({api, web3, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const collectionHelpers = evmCollectionHelpers(web3, owner);
     let result = await collectionHelpers.methods.createNonfungibleCollection('Sponsor collection', '1', '1').send();
     const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);
-    const sponsor = await createEthAccountWithBalance(api, web3);
+    const sponsor = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
     result = await collectionEvm.methods.setCollectionSponsor(sponsor).send();
     let collectionSub = (await getDetailedCollectionInfo(api, collectionId))!;
     expect(collectionSub.sponsorship.isUnconfirmed).to.be.true;
-    expect(collectionSub.sponsorship.asUnconfirmed.toHuman()).to.be.eq(evmToAddress(sponsor));
+    const ss58Format = (api.registry.getChainProperties())!.toJSON().ss58Format;
+    expect(collectionSub.sponsorship.asUnconfirmed.toHuman()).to.be.eq(evmToAddress(sponsor, Number(ss58Format)));
     await expect(collectionEvm.methods.confirmCollectionSponsorship().call()).to.be.rejectedWith('Caller is not set as sponsor');
     const sponsorCollection = evmCollection(web3, sponsor, collectionIdAddress);
     await sponsorCollection.methods.confirmCollectionSponsorship().send();
     collectionSub = (await getDetailedCollectionInfo(api, collectionId))!;
     expect(collectionSub.sponsorship.isConfirmed).to.be.true;
-    expect(collectionSub.sponsorship.asConfirmed.toHuman()).to.be.eq(evmToAddress(sponsor));
+    expect(collectionSub.sponsorship.asConfirmed.toHuman()).to.be.eq(evmToAddress(sponsor, Number(ss58Format)));
   });
 
-  itWeb3('Set limits', async ({api, web3}) => {
-    const owner = await createEthAccountWithBalance(api, web3);
+  itWeb3('Set limits', async ({api, web3, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const collectionHelpers = evmCollectionHelpers(web3, owner);
     const result = await collectionHelpers.methods.createNonfungibleCollection('Const collection', '5', '5').send();
     const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);
@@ -127,8 +128,8 @@
     expect(collectionSub.limits.transfersEnabled.toHuman()).to.be.eq(limits.transfersEnabled);
   });
 
-  itWeb3('Collection address exist', async ({api, web3}) => {
-    const owner = await createEthAccountWithBalance(api, web3);
+  itWeb3('Collection address exist', async ({api, web3, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const collectionAddressForNonexistentCollection = '0x17C4E6453CC49AAAAEACA894E6D9683E00112233';
     const collectionHelpers = evmCollectionHelpers(web3, owner);
     expect(await collectionHelpers.methods
@@ -144,8 +145,8 @@
 });
 
 describe('(!negative tests!) Create collection from EVM', () => {
-  itWeb3('(!negative test!) Create collection (bad lengths)', async ({api, web3}) => {
-    const owner = await createEthAccountWithBalance(api, web3);
+  itWeb3('(!negative test!) Create collection (bad lengths)', async ({api, web3, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const helper = evmCollectionHelpers(web3, owner);
     {
       const MAX_NAME_LENGHT = 64;
@@ -190,8 +191,8 @@
       .call()).to.be.rejectedWith('NotSufficientFounds');
   });
 
-  itWeb3('(!negative test!) Check owner', async ({api, web3}) => {
-    const owner = await createEthAccountWithBalance(api, web3);
+  itWeb3('(!negative test!) Check owner', async ({api, web3, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const notOwner = await createEthAccount(web3);
     const collectionHelpers = evmCollectionHelpers(web3, owner);
     const result = await collectionHelpers.methods.createNonfungibleCollection('A', 'A', 'A').send();
@@ -199,7 +200,7 @@
     const contractEvmFromNotOwner = evmCollection(web3, notOwner, collectionIdAddress);
     const EXPECTED_ERROR = 'NoPermission';
     {
-      const sponsor = await createEthAccountWithBalance(api, web3);
+      const sponsor = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
       await expect(contractEvmFromNotOwner.methods
         .setCollectionSponsor(sponsor)
         .call()).to.be.rejectedWith(EXPECTED_ERROR);
@@ -216,8 +217,8 @@
     }
   });
 
-  itWeb3('(!negative test!) Set limits', async ({api, web3}) => {
-    const owner = await createEthAccountWithBalance(api, web3);
+  itWeb3('(!negative test!) Set limits', async ({api, web3, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const collectionHelpers = evmCollectionHelpers(web3, owner);
     const result = await collectionHelpers.methods.createNonfungibleCollection('Schema collection', 'A', 'A').send();
     const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);

--- a/tests/src/eth/crossTransfer.test.ts
+++ b/tests/src/eth/crossTransfer.test.ts
@@ -48,8 +48,8 @@
     });
     const alice = privateKeyWrapper('//Alice');
     const bob = privateKeyWrapper('//Bob');
-    const bobProxy = await createEthAccountWithBalance(api, web3);
-    const aliceProxy = await createEthAccountWithBalance(api, web3);
+    const bobProxy = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const aliceProxy = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
 
     await createFungibleItemExpectSuccess(alice, collection, {Value: 200n}, alice.address);
     await transferExpectSuccess(collection, 0, alice, {Ethereum: aliceProxy} , 200, 'Fungible');
@@ -85,8 +85,8 @@
     const alice = privateKeyWrapper('//Alice');
     const bob = privateKeyWrapper('//Bob');
     const charlie = privateKeyWrapper('//Charlie');
-    const bobProxy = await createEthAccountWithBalance(api, web3);
-    const aliceProxy = await createEthAccountWithBalance(api, web3);
+    const bobProxy = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const aliceProxy = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const tokenId = await createItemExpectSuccess(alice, collection, 'NFT', {Substrate: alice.address});
     await transferExpectSuccess(collection, tokenId, alice, {Ethereum: aliceProxy} , 1, 'NFT');
     const address = collectionIdToAddress(collection);

--- a/tests/src/eth/fungible.test.ts
+++ b/tests/src/eth/fungible.test.ts
@@ -27,7 +27,7 @@
     });
     const alice = privateKeyWrapper('//Alice');
 
-    const caller = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
 
     await createFungibleItemExpectSuccess(alice, collection, {Value: 200n}, {Substrate: alice.address});
 
@@ -45,7 +45,7 @@
     });
     const alice = privateKeyWrapper('//Alice');
 
-    const caller = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
 
     await createFungibleItemExpectSuccess(alice, collection, {Value: 200n}, {Ethereum: caller});
 
@@ -65,7 +65,7 @@
     });
     const alice = privateKeyWrapper('//Alice');
 
-    const owner = await createEthAccountWithBalance(api, web3);
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
 
     await createFungibleItemExpectSuccess(alice, collection, {Value: 200n}, {Ethereum: owner});
 
@@ -208,7 +208,7 @@
     });
     const alice = privateKeyWrapper('//Alice');
 
-    const owner = await createEthAccountWithBalance(api, web3);
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const spender = createEthAccount(web3);
 
     await createFungibleItemExpectSuccess(alice, collection, {Value: 200n}, {Ethereum: owner});
@@ -226,8 +226,8 @@
     });
     const alice = privateKeyWrapper('//Alice');
 
-    const owner = await createEthAccountWithBalance(api, web3);
-    const spender = await createEthAccountWithBalance(api, web3);
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const spender = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
 
     await createFungibleItemExpectSuccess(alice, collection, {Value: 200n}, {Ethereum: owner});
 
@@ -246,7 +246,7 @@
     });
     const alice = privateKeyWrapper('//Alice');
 
-    const owner = await createEthAccountWithBalance(api, web3);
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const receiver = createEthAccount(web3);
 
     await createFungibleItemExpectSuccess(alice, collection, {Value: 200n}, {Ethereum: owner});

--- a/tests/src/eth/helpersSmoke.test.ts
+++ b/tests/src/eth/helpersSmoke.test.ts
@@ -18,16 +18,16 @@
 import {createEthAccountWithBalance, deployFlipper, itWeb3, contractHelpers} from './util/helpers';
 
 describe('Helpers sanity check', () => {
-  itWeb3('Contract owner is recorded', async ({api, web3}) => {
-    const owner = await createEthAccountWithBalance(api, web3);
+  itWeb3('Contract owner is recorded', async ({api, web3, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
 
     const flipper = await deployFlipper(web3, owner);
 
     expect(await contractHelpers(web3, owner).methods.contractOwner(flipper.options.address).call()).to.be.equal(owner);
   });
 
-  itWeb3('Flipper is working', async ({api, web3}) => {
-    const owner = await createEthAccountWithBalance(api, web3);
+  itWeb3('Flipper is working', async ({api, web3, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const flipper = await deployFlipper(web3, owner);
 
     expect(await flipper.methods.getValue().call()).to.be.false;

--- a/tests/src/eth/marketplace/marketplace.test.ts
+++ b/tests/src/eth/marketplace/marketplace.test.ts
@@ -39,7 +39,7 @@
 describe('Matcher contract usage', () => {
   itWeb3('With UNQ', async ({api, web3, privateKeyWrapper}) => {
     const alice = privateKeyWrapper('//Alice');
-    const matcherOwner = await createEthAccountWithBalance(api, web3);
+    const matcherOwner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const matcherContract = new web3.eth.Contract(JSON.parse((await readFile(`${__dirname}/MarketPlace.abi`)).toString()), undefined, {
       from: matcherOwner,
       ...GAS_ARGS,
@@ -100,8 +100,8 @@
 
   itWeb3('With escrow', async ({api, web3, privateKeyWrapper}) => {
     const alice = privateKeyWrapper('//Alice');
-    const matcherOwner = await createEthAccountWithBalance(api, web3);
-    const escrow = await createEthAccountWithBalance(api, web3);
+    const matcherOwner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const escrow = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const matcherContract = new web3.eth.Contract(JSON.parse((await readFile(`${__dirname}/MarketPlace.abi`)).toString()), undefined, {
       from: matcherOwner,
       ...GAS_ARGS,
@@ -171,7 +171,7 @@
 
   itWeb3('Sell tokens from substrate user via EVM contract', async ({api, web3, privateKeyWrapper}) => {
     const alice = privateKeyWrapper('//Alice');
-    const matcherOwner = await createEthAccountWithBalance(api, web3);
+    const matcherOwner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const matcherContract = new web3.eth.Contract(JSON.parse((await readFile(`${__dirname}/MarketPlace.abi`)).toString()), undefined, {
       from: matcherOwner,
       ...GAS_ARGS,

--- a/tests/src/eth/migration.test.ts
+++ b/tests/src/eth/migration.test.ts
@@ -54,7 +54,7 @@
     ];
 
     const alice = privateKeyWrapper('//Alice');
-    const caller = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
 
     await submitTransactionAsync(alice, api.tx.sudo.sudo(api.tx.evmMigration.begin(ADDRESS) as any));
     await submitTransactionAsync(alice, api.tx.sudo.sudo(api.tx.evmMigration.setData(ADDRESS, DATA as any) as any));

--- a/tests/src/eth/nonFungible.test.ts
+++ b/tests/src/eth/nonFungible.test.ts
@@ -26,7 +26,7 @@
       mode: {type: 'NFT'},
     });
     const alice = privateKeyWrapper('//Alice');
-    const caller = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
 
     await createItemExpectSuccess(alice, collection, 'NFT', {Substrate: alice.address});
 
@@ -43,7 +43,7 @@
     });
     const alice = privateKeyWrapper('//Alice');
 
-    const caller = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum:caller});
     await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: caller});
     await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: caller});
@@ -61,7 +61,7 @@
     });
     const alice = privateKeyWrapper('//Alice');
 
-    const caller = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const tokenId = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: caller});
 
     const address = collectionIdToAddress(collection);
@@ -73,8 +73,8 @@
 });
 
 describe('NFT: Plain calls', () => {
-  itWeb3('Can perform mint()', async ({web3, api}) => {
-    const owner = await createEthAccountWithBalance(api, web3);
+  itWeb3('Can perform mint()', async ({web3, api, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const helper = evmCollectionHelpers(web3, owner);
     let result = await helper.methods.createNonfungibleCollection('Mint collection', '6', '6').send();
     const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);
@@ -119,7 +119,7 @@
     });
     const alice = privateKeyWrapper('//Alice');
 
-    const caller = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const changeAdminTx = api.tx.unique.addCollectionAdmin(collection, {Ethereum: caller});
     await submitTransactionAsync(alice, changeAdminTx);
     const receiver = createEthAccount(web3);
@@ -182,7 +182,7 @@
     });
     const alice = privateKeyWrapper('//Alice');
 
-    const owner = await createEthAccountWithBalance(api, web3);
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
 
     const tokenId = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: owner});
 
@@ -341,7 +341,7 @@
     });
     const alice = privateKeyWrapper('//Alice');
 
-    const owner = await createEthAccountWithBalance(api, web3);
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const spender = createEthAccount(web3);
 
     const tokenId = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: owner});
@@ -359,8 +359,8 @@
     });
     const alice = privateKeyWrapper('//Alice');
 
-    const owner = await createEthAccountWithBalance(api, web3);
-    const spender = await createEthAccountWithBalance(api, web3);
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const spender = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
 
     const tokenId = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: owner});
 
@@ -379,7 +379,7 @@
     });
     const alice = privateKeyWrapper('//Alice');
 
-    const owner = await createEthAccountWithBalance(api, web3);
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const receiver = createEthAccount(web3);
 
     const tokenId = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: owner});
@@ -541,12 +541,12 @@
 });
 
 describe('Common metadata', () => {
-  itWeb3('Returns collection name', async ({api, web3}) => {
+  itWeb3('Returns collection name', async ({api, web3, privateKeyWrapper}) => {
     const collection = await createCollectionExpectSuccess({
       name: 'token name',
       mode: {type: 'NFT'},
     });
-    const caller = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
 
     const address = collectionIdToAddress(collection);
     const contract = new web3.eth.Contract(nonFungibleAbi as any, address, {from: caller, ...GAS_ARGS});
@@ -555,12 +555,12 @@
     expect(name).to.equal('token name');
   });
 
-  itWeb3('Returns symbol name', async ({api, web3}) => {
+  itWeb3('Returns symbol name', async ({api, web3, privateKeyWrapper}) => {
     const collection = await createCollectionExpectSuccess({
       tokenPrefix: 'TOK',
       mode: {type: 'NFT'},
     });
-    const caller = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
 
     const address = collectionIdToAddress(collection);
     const contract = new web3.eth.Contract(nonFungibleAbi as any, address, {from: caller, ...GAS_ARGS});

--- a/tests/src/eth/payable.test.ts
+++ b/tests/src/eth/payable.test.ts
@@ -22,8 +22,8 @@
 import {getBalanceSingle, transferBalanceExpectSuccess} from '../substrate/get-balance';
 
 describe('EVM payable contracts', () => {
-  itWeb3('Evm contract can receive wei from eth account', async ({api, web3}) => {
-    const deployer = await createEthAccountWithBalance(api, web3);
+  itWeb3('Evm contract can receive wei from eth account', async ({api, web3, privateKeyWrapper}) => {
+    const deployer = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const contract = await deployCollector(web3, deployer);
 
     await web3.eth.sendTransaction({from: deployer, to: contract.options.address, value: '10000', ...GAS_ARGS});
@@ -32,7 +32,7 @@
   });
 
   itWeb3('Evm contract can receive wei from substrate account', async ({api, web3, privateKeyWrapper}) => {
-    const deployer = await createEthAccountWithBalance(api, web3);
+    const deployer = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const contract = await deployCollector(web3, deployer);
     const alice = privateKeyWrapper('//Alice');
 
@@ -62,7 +62,7 @@
 
   // We can't handle sending balance to backing storage of evm balance, because evmToAddress operation is irreversible
   itWeb3('Wei sent directly to backing storage of evm contract balance is unaccounted', async({api, web3, privateKeyWrapper}) => {
-    const deployer = await createEthAccountWithBalance(api, web3);
+    const deployer = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const contract = await deployCollector(web3, deployer);
     const alice = privateKeyWrapper('//Alice');
 
@@ -75,7 +75,7 @@
     const FEE_BALANCE = 1000n * UNIQUE;
     const CONTRACT_BALANCE = 1n * UNIQUE;
 
-    const deployer = await createEthAccountWithBalance(api, web3);
+    const deployer = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const contract = await deployCollector(web3, deployer);
     const alice = privateKeyWrapper('//Alice');
 

--- a/tests/src/eth/proxy/fungibleProxy.test.ts
+++ b/tests/src/eth/proxy/fungibleProxy.test.ts
@@ -21,10 +21,11 @@
 import {ApiPromise} from '@polkadot/api';
 import Web3 from 'web3';
 import {readFile} from 'fs/promises';
+import {IKeyringPair} from '@polkadot/types/types';
 
-async function proxyWrap(api: ApiPromise, web3: Web3, wrapped: any) {
+async function proxyWrap(api: ApiPromise, web3: Web3, wrapped: any, privateKeyWrapper: (account: string) => IKeyringPair) {
   // Proxy owner has no special privilegies, we don't need to reuse them
-  const owner = await createEthAccountWithBalance(api, web3);
+  const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
   const proxyContract = new web3.eth.Contract(JSON.parse((await readFile(`${__dirname}/UniqueFungibleProxy.abi`)).toString()), undefined, {
     from: owner,
     ...GAS_ARGS,
@@ -40,12 +41,12 @@
       mode: {type: 'Fungible', decimalPoints: 0},
     });
     const alice = privateKeyWrapper('//Alice');
-    const caller = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
 
     await createFungibleItemExpectSuccess(alice, collection, {Value: 200n}, {Substrate: alice.address});
 
     const address = collectionIdToAddress(collection);
-    const contract = await proxyWrap(api, web3, new web3.eth.Contract(fungibleAbi as any, address, {from: caller, ...GAS_ARGS}));
+    const contract = await proxyWrap(api, web3, new web3.eth.Contract(fungibleAbi as any, address, {from: caller, ...GAS_ARGS}), privateKeyWrapper);
     const totalSupply = await contract.methods.totalSupply().call();
 
     expect(totalSupply).to.equal('200');
@@ -57,12 +58,12 @@
       mode: {type: 'Fungible', decimalPoints: 0},
     });
     const alice = privateKeyWrapper('//Alice');
-    const caller = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
 
     await createFungibleItemExpectSuccess(alice, collection, {Value: 200n}, {Ethereum: caller});
 
     const address = collectionIdToAddress(collection);
-    const contract = await proxyWrap(api, web3, new web3.eth.Contract(fungibleAbi as any, address, {from: caller, ...GAS_ARGS}));
+    const contract = await proxyWrap(api, web3, new web3.eth.Contract(fungibleAbi as any, address, {from: caller, ...GAS_ARGS}), privateKeyWrapper);
     const balance = await contract.methods.balanceOf(caller).call();
 
     expect(balance).to.equal('200');
@@ -76,11 +77,11 @@
       mode: {type: 'Fungible', decimalPoints: 0},
     });
     const alice = privateKeyWrapper('//Alice');
-    const caller = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const spender = createEthAccount(web3);
 
     const address = collectionIdToAddress(collection);
-    const contract = await proxyWrap(api, web3, new web3.eth.Contract(fungibleAbi as any, address, {from: caller, ...GAS_ARGS}));
+    const contract = await proxyWrap(api, web3, new web3.eth.Contract(fungibleAbi as any, address, {from: caller, ...GAS_ARGS}), privateKeyWrapper);
     await createFungibleItemExpectSuccess(alice, collection, {Value: 200n}, {Ethereum: contract.options.address});
 
     {
@@ -112,8 +113,8 @@
       mode: {type: 'Fungible', decimalPoints: 0},
     });
     const alice = privateKeyWrapper('//Alice');
-    const caller = await createEthAccountWithBalance(api, web3);
-    const owner = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
 
     await createFungibleItemExpectSuccess(alice, collection, {Value: 200n}, {Ethereum: owner});
 
@@ -121,7 +122,7 @@
 
     const address = collectionIdToAddress(collection);
     const evmCollection = new web3.eth.Contract(fungibleAbi as any, address, {from: caller, ...GAS_ARGS});
-    const contract = await proxyWrap(api, web3, evmCollection);
+    const contract = await proxyWrap(api, web3, evmCollection, privateKeyWrapper);
 
     await evmCollection.methods.approve(contract.options.address, 100).send({from: owner});
 
@@ -167,11 +168,11 @@
       mode: {type: 'Fungible', decimalPoints: 0},
     });
     const alice = privateKeyWrapper('//Alice');
-    const caller = await createEthAccountWithBalance(api, web3);
-    const receiver = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const receiver = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
 
     const address = collectionIdToAddress(collection);
-    const contract = await proxyWrap(api, web3, new web3.eth.Contract(fungibleAbi as any, address, {from: caller, ...GAS_ARGS}));
+    const contract = await proxyWrap(api, web3, new web3.eth.Contract(fungibleAbi as any, address, {from: caller, ...GAS_ARGS}), privateKeyWrapper);
     await createFungibleItemExpectSuccess(alice, collection, {Value: 200n}, {Ethereum: contract.options.address});
 
     {

--- a/tests/src/eth/proxy/nonFungibleProxy.test.ts
+++ b/tests/src/eth/proxy/nonFungibleProxy.test.ts
@@ -22,10 +22,11 @@
 import Web3 from 'web3';
 import {readFile} from 'fs/promises';
 import {ApiPromise} from '@polkadot/api';
+import {IKeyringPair} from '@polkadot/types/types';
 
-async function proxyWrap(api: ApiPromise, web3: Web3, wrapped: any) {
+async function proxyWrap(api: ApiPromise, web3: Web3, wrapped: any, privateKeyWrapper: (account: string) => IKeyringPair) {
   // Proxy owner has no special privilegies, we don't need to reuse them
-  const owner = await createEthAccountWithBalance(api, web3);
+  const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
   const proxyContract = new web3.eth.Contract(JSON.parse((await readFile(`${__dirname}/UniqueNFTProxy.abi`)).toString()), undefined, {
     from: owner,
     ...GAS_ARGS,
@@ -40,12 +41,12 @@
       mode: {type: 'NFT'},
     });
     const alice = privateKeyWrapper('//Alice');
-    const caller = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
 
     await createItemExpectSuccess(alice, collection, 'NFT', {Substrate: alice.address});
 
     const address = collectionIdToAddress(collection);
-    const contract = await proxyWrap(api, web3, new web3.eth.Contract(nonFungibleAbi as any, address, {from: caller, ...GAS_ARGS}));
+    const contract = await proxyWrap(api, web3, new web3.eth.Contract(nonFungibleAbi as any, address, {from: caller, ...GAS_ARGS}), privateKeyWrapper);
     const totalSupply = await contract.methods.totalSupply().call();
 
     expect(totalSupply).to.equal('1');
@@ -57,13 +58,13 @@
     });
     const alice = privateKeyWrapper('//Alice');
 
-    const caller = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: caller});
     await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: caller});
     await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: caller});
 
     const address = collectionIdToAddress(collection);
-    const contract = await proxyWrap(api, web3, new web3.eth.Contract(nonFungibleAbi as any, address, {from: caller, ...GAS_ARGS}));
+    const contract = await proxyWrap(api, web3, new web3.eth.Contract(nonFungibleAbi as any, address, {from: caller, ...GAS_ARGS}), privateKeyWrapper);
     const balance = await contract.methods.balanceOf(caller).call();
 
     expect(balance).to.equal('3');
@@ -75,11 +76,11 @@
     });
     const alice = privateKeyWrapper('//Alice');
 
-    const caller = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const tokenId = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: caller});
 
     const address = collectionIdToAddress(collection);
-    const contract = await proxyWrap(api, web3, new web3.eth.Contract(nonFungibleAbi as any, address, {from: caller, ...GAS_ARGS}));
+    const contract = await proxyWrap(api, web3, new web3.eth.Contract(nonFungibleAbi as any, address, {from: caller, ...GAS_ARGS}), privateKeyWrapper);
     const owner = await contract.methods.ownerOf(tokenId).call();
 
     expect(owner).to.equal(caller);
@@ -87,18 +88,18 @@
 });
 
 describe('NFT (Via EVM proxy): Plain calls', () => {
-  itWeb3('Can perform mint()', async ({web3, api}) => {
-    const owner = await createEthAccountWithBalance(api, web3);
+  itWeb3('Can perform mint()', async ({web3, api, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const collectionHelper = evmCollectionHelpers(web3, owner);
     const result = await collectionHelper.methods
       .createNonfungibleCollection('A', 'A', 'A')
       .send();
     const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);
-    const caller = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const receiver = createEthAccount(web3);
     const collectionEvmOwned = evmCollection(web3, owner, collectionIdAddress);
     const collectionEvm = evmCollection(web3, caller, collectionIdAddress);
-    const contract = await proxyWrap(api, web3, collectionEvm);
+    const contract = await proxyWrap(api, web3, collectionEvm, privateKeyWrapper);
     await collectionEvmOwned.methods.addCollectionAdmin(contract.options.address).send();
 
     {
@@ -135,11 +136,11 @@
     });
     const alice = privateKeyWrapper('//Alice');
 
-    const caller = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const receiver = createEthAccount(web3);
 
     const address = collectionIdToAddress(collection);
-    const contract = await proxyWrap(api, web3, new web3.eth.Contract(nonFungibleAbi as any, address, {from: caller, ...GAS_ARGS}));
+    const contract = await proxyWrap(api, web3, new web3.eth.Contract(nonFungibleAbi as any, address, {from: caller, ...GAS_ARGS}), privateKeyWrapper);
     const changeAdminTx = api.tx.unique.addCollectionAdmin(collection, {Ethereum: contract.options.address});
     await submitTransactionAsync(alice, changeAdminTx);
 
@@ -197,10 +198,10 @@
       mode: {type: 'NFT'},
     });
     const alice = privateKeyWrapper('//Alice');
-    const caller = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
 
     const address = collectionIdToAddress(collection);
-    const contract = await proxyWrap(api, web3, new web3.eth.Contract(nonFungibleAbi as any, address, {from: caller, ...GAS_ARGS}));
+    const contract = await proxyWrap(api, web3, new web3.eth.Contract(nonFungibleAbi as any, address, {from: caller, ...GAS_ARGS}), privateKeyWrapper);
     const tokenId = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: contract.options.address});
 
     const changeAdminTx = api.tx.unique.addCollectionAdmin(collection, {Ethereum: contract.options.address});
@@ -229,11 +230,11 @@
       mode: {type: 'NFT'},
     });
     const alice = privateKeyWrapper('//Alice');
-    const caller = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const spender = createEthAccount(web3);
 
     const address = collectionIdToAddress(collection);
-    const contract = await proxyWrap(api, web3, new web3.eth.Contract(nonFungibleAbi as any, address));
+    const contract = await proxyWrap(api, web3, new web3.eth.Contract(nonFungibleAbi as any, address), privateKeyWrapper);
     const tokenId = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: contract.options.address});
 
     {
@@ -259,14 +260,14 @@
       mode: {type: 'NFT'},
     });
     const alice = privateKeyWrapper('//Alice');
-    const caller = await createEthAccountWithBalance(api, web3);
-    const owner = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
 
     const receiver = createEthAccount(web3);
 
     const address = collectionIdToAddress(collection);
     const evmCollection = new web3.eth.Contract(nonFungibleAbi as any, address, {from: caller, ...GAS_ARGS});
-    const contract = await proxyWrap(api, web3, evmCollection);
+    const contract = await proxyWrap(api, web3, evmCollection, privateKeyWrapper);
     const tokenId = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: owner});
 
     await evmCollection.methods.approve(contract.options.address, tokenId).send({from: owner});
@@ -303,11 +304,11 @@
       mode: {type: 'NFT'},
     });
     const alice = privateKeyWrapper('//Alice');
-    const caller = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const receiver = createEthAccount(web3);
 
     const address = collectionIdToAddress(collection);
-    const contract = await proxyWrap(api, web3, new web3.eth.Contract(nonFungibleAbi as any, address, {from: caller, ...GAS_ARGS}));
+    const contract = await proxyWrap(api, web3, new web3.eth.Contract(nonFungibleAbi as any, address, {from: caller, ...GAS_ARGS}), privateKeyWrapper);
     const tokenId = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: contract.options.address});
 
     {

--- a/tests/src/eth/scheduling.test.ts
+++ b/tests/src/eth/scheduling.test.ts
@@ -17,14 +17,13 @@
 import {expect} from 'chai';
 import {createEthAccountWithBalance, deployFlipper, GAS_ARGS, itWeb3, subToEth, transferBalanceToEth} from './util/helpers';
 import {scheduleExpectSuccess, waitNewBlocks} from '../util/helpers';
-import privateKey from '../substrate/privateKey';
 
 describe('Scheduing EVM smart contracts', () => {
-  itWeb3('Successfully schedules and periodically executes an EVM contract', async ({api, web3}) => {
-    const deployer = await createEthAccountWithBalance(api, web3);
+  itWeb3('Successfully schedules and periodically executes an EVM contract', async ({api, web3, privateKeyWrapper}) => {
+    const deployer = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const flipper = await deployFlipper(web3, deployer);
     const initialValue = await flipper.methods.getValue().call();
-    const alice = privateKey('//Alice');
+    const alice = privateKeyWrapper('//Alice');
     await transferBalanceToEth(api, alice, subToEth(alice.address));
 
     {

--- a/tests/src/eth/sponsoring.test.ts
+++ b/tests/src/eth/sponsoring.test.ts
@@ -21,7 +21,7 @@
   itWeb3('Fee is deducted from contract if sponsoring is enabled', async ({api, web3, privateKeyWrapper}) => {
     const alice = privateKeyWrapper('//Alice');
 
-    const owner = await createEthAccountWithBalance(api, web3);
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const caller = createEthAccount(web3);
     const originalCallerBalance = await web3.eth.getBalance(caller);
     expect(originalCallerBalance).to.be.equal('0');
@@ -52,8 +52,8 @@
   itWeb3('...but this doesn\'t applies to payable value', async ({api, web3, privateKeyWrapper}) => {
     const alice = privateKeyWrapper('//Alice');
 
-    const owner = await createEthAccountWithBalance(api, web3);
-    const caller = await createEthAccountWithBalance(api, web3);
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const originalCallerBalance = await web3.eth.getBalance(caller);
     expect(originalCallerBalance).to.be.not.equal('0');
 

--- a/tests/src/eth/tokenProperties.test.ts
+++ b/tests/src/eth/tokenProperties.test.ts
@@ -7,7 +7,7 @@
 describe('EVM token properties', () => {
   itWeb3('Can be reconfigured', async({web3, api, privateKeyWrapper}) => {
     const alice = privateKeyWrapper('//Alice');
-    const caller = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     for(const [mutable,collectionAdmin, tokenOwner] of cartesian([], [false, true], [false, true], [false, true])) {
       const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});
       await addCollectionAdminExpectSuccess(alice, collection, {Ethereum: caller});
@@ -25,7 +25,7 @@
   });
   itWeb3('Can be set', async({web3, api, privateKeyWrapper}) => {
     const alice = privateKeyWrapper('//Alice');
-    const caller = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});
     const token = await createItemExpectSuccess(alice, collection, 'NFT');
 
@@ -48,7 +48,7 @@
   });
   itWeb3('Can be deleted', async({web3, api, privateKeyWrapper}) => {
     const alice = privateKeyWrapper('//Alice');
-    const caller = await createEthAccountWithBalance(api, web3);
+    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});
     const token = await createItemExpectSuccess(alice, collection, 'NFT');
 

--- a/tests/src/eth/util/helpers.ts
+++ b/tests/src/eth/util/helpers.ts
@@ -112,8 +112,8 @@
   return account.address;
 }
 
-export async function createEthAccountWithBalance(api: ApiPromise, web3: Web3) {
-  const alice = privateKey('//Alice');
+export async function createEthAccountWithBalance(api: ApiPromise, web3: Web3, privateKeyWrapper: (account: string) => IKeyringPair) {
+  const alice = privateKeyWrapper('//Alice');
   const account = createEthAccount(web3);
   await transferBalanceToEth(api, alice, account);
 

--- a/tests/src/removeCollectionAdmin.test.ts
+++ b/tests/src/removeCollectionAdmin.test.ts
@@ -46,33 +46,6 @@
     });
   });
 
-  it('Remove collection admin by admin.', async () => {
-    await usingApi(async (api, privateKeyWrapper) => {
-      const collectionId = await createCollectionExpectSuccess();
-      const alice = privateKeyWrapper('//Alice');
-      const bob = privateKeyWrapper('//Bob');
-      const charlie = privateKeyWrapper('//Charlie');
-      const collection = await queryCollectionExpectSuccess(api, collectionId);
-      expect(collection.owner.toString()).to.be.eq(alice.address);
-      // first - add collection admin Bob
-      const addAdminTx = api.tx.unique.addCollectionAdmin(collectionId, normalizeAccountId(bob.address));
-      await submitTransactionAsync(alice, addAdminTx);
-
-      const addAdminTx2 = api.tx.unique.addCollectionAdmin(collectionId, normalizeAccountId(charlie.address));
-      await submitTransactionAsync(alice, addAdminTx2);
-
-      const adminListAfterAddAdmin = await getAdminList(api, collectionId);
-      expect(adminListAfterAddAdmin).to.be.deep.contains(normalizeAccountId(bob.address));
-
-      // then remove bob from admins of collection
-      const removeAdminTx = api.tx.unique.removeCollectionAdmin(collectionId, normalizeAccountId(bob.address));
-      await submitTransactionAsync(charlie, removeAdminTx);
-
-      const adminListAfterRemoveAdmin = await getAdminList(api, collectionId);
-      expect(adminListAfterRemoveAdmin).not.to.be.deep.contains(normalizeAccountId(bob.address));
-    });
-  });
-
   it('Remove admin from collection that has no admins', async () => {
     await usingApi(async (api, privateKeyWrapper) => {
       const alice = privateKeyWrapper('//Alice');
@@ -120,7 +93,7 @@
     });
   });
 
-  it('Regular user Can\'t remove collection admin', async () => {
+  it('Regular user can\'t remove collection admin', async () => {
     await usingApi(async (api, privateKeyWrapper) => {
       const collectionId = await createCollectionExpectSuccess();
       const alice = privateKeyWrapper('//Alice');
@@ -137,4 +110,23 @@
       await createCollectionExpectSuccess();
     });
   });
+
+  it('Admin can\'t remove collection admin.', async () => {
+    await usingApi(async (api, privateKeyWrapper) => {
+      const collectionId = await createCollectionExpectSuccess();
+      const alice = privateKeyWrapper('//Alice');
+      const bob = privateKeyWrapper('//Bob');
+      const charlie = privateKeyWrapper('//Charlie');
+
+      const adminListAfterAddAdmin = await getAdminList(api, collectionId);
+      expect(adminListAfterAddAdmin).to.be.deep.contains(normalizeAccountId(bob.address));
+
+      const removeAdminTx = api.tx.unique.removeCollectionAdmin(collectionId, normalizeAccountId(bob.address));
+      await expect(submitTransactionAsync(charlie, removeAdminTx)).to.be.rejected;
+
+      const adminListAfterRemoveAdmin = await getAdminList(api, collectionId);
+      expect(adminListAfterRemoveAdmin).to.be.deep.contains(normalizeAccountId(bob.address));
+      expect(adminListAfterRemoveAdmin).to.be.deep.contains(normalizeAccountId(charlie.address));
+    });
+  });
 });

--- a/tests/src/rmrk/rmrk.test.ts
+++ b/tests/src/rmrk/rmrk.test.ts
@@ -49,8 +49,8 @@
 
 describe('RMRK External Integration Test', () => {
   before(async () => {
-    await usingApi(async () => {
-      alice = privateKey('//Alice');
+    await usingApi(async (api, privateKeyWrapper) => {
+      alice = privateKeyWrapper('//Alice');
     });
   });
 
@@ -75,9 +75,9 @@
   let rmrkNftId: number;
 
   before(async () => {
-    await usingApi(async api => {
-      alice = privateKey('//Alice');
-      bob = privateKey('//Bob');
+    await usingApi(async (api, privateKeyWrapper) => {
+      alice = privateKeyWrapper('//Alice');
+      bob = privateKeyWrapper('//Bob');
 
       const collectionIds = await createRmrkCollection(api, alice);
       uniqueCollectionId = collectionIds.uniqueId;
@@ -210,9 +210,9 @@
   let nftId: number;
 
   before(async () => {
-    await usingApi(async () => {
-      alice = privateKey('//Alice');
-      bob = privateKey('//Bob');
+    await usingApi(async (api, privateKeyWrapper) => {
+      alice = privateKeyWrapper('//Alice');
+      bob = privateKeyWrapper('//Bob');
 
       collectionId = await createCollectionExpectSuccess({mode: {type: 'NFT'}});
       nftId = await createItemExpectSuccess(alice, collectionId, 'NFT');

--- a/tests/src/rpc.load.ts
+++ b/tests/src/rpc.load.ts
@@ -59,8 +59,7 @@
   const deployer = await findUnusedAddress(api, privateKeyWrapper);
 
   // Transfer balance to it
-  const keyring = new Keyring({type: 'sr25519'});
-  const alice = keyring.addFromUri('//Alice');
+  const alice = privateKeyWrapper('//Alice');
   const amount = BigInt(endowment) + 10n**15n;
   const tx = api.tx.balances.transfer(deployer.address, amount);
   await submitTransactionAsync(alice, tx);

--- a/tests/src/scheduler.test.ts
+++ b/tests/src/scheduler.test.ts
@@ -16,7 +16,6 @@
 
 import chai, {expect} from 'chai';
 import chaiAsPromised from 'chai-as-promised';
-import privateKey from './substrate/privateKey';
 import {
   default as usingApi, 
   submitTransactionAsync,
@@ -52,9 +51,9 @@
   let scheduledIdSlider: number;
 
   before(async() => {
-    await usingApi(async () => {
-      alice = privateKey('//Alice');
-      bob = privateKey('//Bob');
+    await usingApi(async (api, privateKeyWrapper) => {
+      alice = privateKeyWrapper('//Alice');
+      bob = privateKeyWrapper('//Bob');
     });
 
     scheduledIdBase = '0x' + '0'.repeat(31);