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/structure/src/lib.rs
+++ b/pallets/structure/src/lib.rs
@@ -149,7 +149,7 @@
 		})
 	}
 
-	pub fn get_checked_indirect_owner(
+	pub fn get_checked_topmost_owner(
 		collection: CollectionId,
 		token: TokenId,
 		for_nest: Option<(CollectionId, TokenId)>,
@@ -203,7 +203,7 @@
 			None => user,
 		};
 
-		Self::get_checked_indirect_owner(collection, token, for_nest, budget)
+		Self::get_checked_topmost_owner(collection, token, for_nest, budget)
 			.map(|indirect_owner| indirect_owner == target_parent)
 	}
 

--- 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));
+    });
+  });
 });