git.delta.rocks / unique-network / refs/commits / 535a8e928ce8

difftreelog

tests: introduce feed alices + refactor tests to use the filename as donor key

Fahrrader2022-10-05parent: #8b875cb.patch.diff
in: master

64 files changed

modifiedtests/package.jsondiffbeforeafterboth
--- a/tests/package.json
+++ b/tests/package.json
@@ -26,24 +26,25 @@
   "scripts": {
     "lint": "eslint --ext .ts,.js src/",
     "fix": "eslint --ext .ts,.js src/ --fix",
-    "test": "mocha --timeout 9999999 -r ts-node/register './src/**/*.test.ts'",
-    "testEth": "mocha --timeout 9999999 -r ts-node/register './**/eth/**/*.test.ts'",
-    "testEthMarketplace": "mocha --timeout 9999999 -r ts-node/register './**/eth/marketplace/**/*.test.ts'",
-    "testEthNesting": "mocha --timeout 9999999 -r ts-node/register './**/eth/nesting/**/*.test.ts'",
-    "testEthFractionalizer": "mocha --timeout 9999999 -r ts-node/register './**/eth/fractionalizer/**/*.test.ts'",
+    "feedAlices": "ts-node ./src/util/playgrounds/feedAlices.ts",
+
+    "test": "yarn feedAlices && mocha --parallel --timeout 9999999 -r ts-node/register './src/**/*.test.ts'",
+    "testStructure": "yarn feedAlices && mocha --parallel --timeout 9999999 -r ts-node/register ./**/nesting/**.test.ts",
+    "testEth": "yarn feedAlices && mocha --parallel --timeout 9999999 -r ts-node/register './**/eth/**/*.test.ts'",
+    "testEthNesting": "yarn feedAlices && mocha --parallel --timeout 9999999 -r ts-node/register './**/eth/nesting/**/*.test.ts'",
+    "testEthFractionalizer": "yarn feedAlices && mocha --parallel --timeout 9999999 -r ts-node/register './**/eth/fractionalizer/**/*.test.ts'",
+    "testEthMarketplace": "yarn feedAlices && mocha --parallel --timeout 9999999 -r ts-node/register './**/eth/marketplace/**/*.test.ts'",
+    "testCollision": "yarn feedAlices && mocha --parallel --timeout 9999999 -r ts-node/register ./src/collision-tests/*.test.ts",
+    "testEvent": "yarn feedAlices && mocha --parallel --timeout 9999999 -r ts-node/register ./src/check-event/*.test.ts",
+    "testRmrk": "mocha --timeout 9999999 -r ts-node/register ./**/rmrk/**.test.ts",
+
     "testEthPayable": "mocha --timeout 9999999 -r ts-node/register './**/eth/payable.test.ts'",
-    "load": "mocha --timeout 9999999 -r ts-node/register './**/*.load.ts'",
-    "loadTransfer": "ts-node src/transfer.nload.ts",
-    "testCollision": "mocha --timeout 9999999 -r ts-node/register ./src/collision-tests/*.test.ts",
-    "testEvent": "mocha --timeout 9999999 -r ts-node/register ./src/check-event/*.test.ts",
+    "testEthTokenProperties": "mocha --timeout 9999999 -r ts-node/register ./**/eth/tokenProperties.test.ts",
     "testNesting": "mocha --timeout 9999999 -r ts-node/register ./**/nest.test.ts",
     "testUnnesting": "mocha --timeout 9999999 -r ts-node/register ./**/unnest.test.ts",
-    "testStructure": "mocha --timeout 9999999 -r ts-node/register ./**/nesting/**.test.ts",
     "testProperties": "mocha --timeout 9999999 -r ts-node/register ./**/properties.test.ts ./**/getPropertiesRpc.test.ts",
     "testMigration": "mocha --timeout 9999999 -r ts-node/register ./**/nesting/migration-check.test.ts",
-    "testRmrk": "mocha --timeout 9999999 -r ts-node/register ./**/rmrk/**.test.ts",
     "testAddCollectionAdmin": "mocha --timeout 9999999 -r ts-node/register ./**/addCollectionAdmin.test.ts",
-    "testSetSchemaVersion": "mocha --timeout 9999999 -r ts-node/register ./**/setSchemaVersion.test.ts",
     "testSetCollectionLimits": "mocha --timeout 9999999 -r ts-node/register ./**/setCollectionLimits.test.ts",
     "testChangeCollectionOwner": "mocha --timeout 9999999 -r ts-node/register ./**/change-collection-owner.test.ts",
     "testSetCollectionSponsor": "mocha --timeout 9999999 -r ts-node/register ./**/setCollectionSponsor.test.ts",
@@ -96,6 +97,10 @@
     "testEthFT": "mocha --timeout 9999999 -r ts-node/register ./**/eth/fungible.test.ts",
     "testRPC": "mocha --timeout 9999999 -r ts-node/register ./**/rpc.test.ts",
     "testPromotion": "mocha --timeout 9999999 -r ts-node/register ./**/app-promotion.test.ts",
+
+    "load": "mocha --timeout 9999999 -r ts-node/register './**/*.load.ts'",
+    "loadTransfer": "ts-node src/transfer.nload.ts",
+    
     "polkadot-types-fetch-metadata": "curl -H 'Content-Type: application/json' -d '{\"id\":\"1\", \"jsonrpc\":\"2.0\", \"method\": \"state_getMetadata\", \"params\":[]}' http://localhost:9933 > src/interfaces/metadata.json",
     "polkadot-types-from-defs": "ts-node ./node_modules/.bin/polkadot-types-from-defs --endpoint src/interfaces/metadata.json --input src/interfaces/ --package .",
     "polkadot-types-from-chain": "ts-node ./node_modules/.bin/polkadot-types-from-chain --endpoint src/interfaces/metadata.json --output src/interfaces/ --package .",
modifiedtests/src/addCollectionAdmin.test.tsdiffbeforeafterboth
--- a/tests/src/addCollectionAdmin.test.ts
+++ b/tests/src/addCollectionAdmin.test.ts
@@ -21,8 +21,8 @@
   let donor: IKeyringPair;
 
   before(async () => {
-    await usingPlaygrounds(async (_, privateKeyWrapper) => {
-      donor = privateKeyWrapper('//Alice');
+    await usingPlaygrounds(async (_, privateKey) => {
+      donor = await privateKey({filename: __filename});
     });
   });
 
@@ -44,8 +44,8 @@
   let donor: IKeyringPair;
 
   before(async () => {
-    await usingPlaygrounds(async (_, privateKeyWrapper) => {
-      donor = privateKeyWrapper('//Alice');
+    await usingPlaygrounds(async (_, privateKey) => {
+      donor = await privateKey({filename: __filename});
     });
   });
 
modifiedtests/src/adminTransferAndBurn.test.tsdiffbeforeafterboth
--- a/tests/src/adminTransferAndBurn.test.ts
+++ b/tests/src/adminTransferAndBurn.test.ts
@@ -24,7 +24,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob, charlie] = await helper.arrange.createAccounts([10n, 10n, 10n], donor);
     });
   });
modifiedtests/src/allowLists.test.tsdiffbeforeafterboth
--- a/tests/src/allowLists.test.ts
+++ b/tests/src/allowLists.test.ts
@@ -25,7 +25,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob, charlie] = await helper.arrange.createAccounts([30n, 10n, 10n], donor);
     });
   });
@@ -87,7 +87,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob, charlie] = await helper.arrange.createAccounts([30n, 10n, 10n], donor);
     });
   });
@@ -163,7 +163,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob, charlie] = await helper.arrange.createAccounts([30n, 10n, 10n], donor);
     });
   });
@@ -291,7 +291,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([100n, 100n], donor);
     });
   });
modifiedtests/src/app-promotion.test.tsdiffbeforeafterboth
--- a/tests/src/app-promotion.test.ts
+++ b/tests/src/app-promotion.test.ts
@@ -43,8 +43,8 @@
   before(async function () {
     await usingPlaygrounds(async (helper, privateKey) => {
       if (!getModuleNames(helper.api!).includes(Pallets.AppPromotion)) this.skip();
-      alice = privateKey('//Alice');
-      palletAdmin = privateKey('//Charlie'); // TODO use custom address
+      alice = await privateKey({filename: __filename});
+      [palletAdmin] = await helper.arrange.createAccounts([100n], alice);
       await helper.signTransaction(alice, helper.api!.tx.sudo.sudo(helper.api!.tx.appPromotion.setAdminAddress({Substrate: palletAdmin.address})));
       nominal = helper.balance.getOneTokenNominal();
       await helper.balance.transferToSubstrate(alice, palletAdmin.address, 1000n * nominal);
modifiedtests/src/approve.test.tsdiffbeforeafterboth
before · tests/src/approve.test.ts
1// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.2// This file is part of Unique Network.34// Unique Network is free software: you can redistribute it and/or modify5// it under the terms of the GNU General Public License as published by6// the Free Software Foundation, either version 3 of the License, or7// (at your option) any later version.89// Unique Network is distributed in the hope that it will be useful,10// but WITHOUT ANY WARRANTY; without even the implied warranty of11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the12// GNU General Public License for more details.1314// You should have received a copy of the GNU General Public License15// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.1617import {IKeyringPair} from '@polkadot/types/types';18import {expect, itSub, Pallets, usingPlaygrounds} from './util/playgrounds';192021describe('Integration Test approve(spender, collection_id, item_id, amount):', () => {22  let alice: IKeyringPair;23  let bob: IKeyringPair;24  let charlie: IKeyringPair;2526  before(async () => {27    await usingPlaygrounds(async (helper, privateKey) => {28      const donor = privateKey('//Alice');29      [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);30    });31  });3233  itSub('[nft] Execute the extrinsic and check approvedList', async ({helper}) => {34    const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});35    const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: alice.address});36    await helper.nft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address});37    expect(await helper.nft.isTokenApproved(collectionId, tokenId, {Substrate: bob.address})).to.be.true;38  });3940  itSub('[fungible] Execute the extrinsic and check approvedList', async ({helper}) => {41    const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'}, 0);42    await helper.ft.mintTokens(alice, collectionId, 10n, {Substrate: alice.address});43    const tokenId = await helper.ft.getLastTokenId(collectionId);44    await helper.ft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address});45    const amount = await helper.ft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address});46    expect(amount).to.be.equal(BigInt(1));47  });4849  itSub.ifWithPallets('[refungible] Execute the extrinsic and check approvedList', [Pallets.ReFungible], async ({helper}) => {50    const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});51    const {tokenId} = await helper.rft.mintToken(alice, {collectionId: collectionId, owner: alice.address, pieces: 100n});52    await helper.rft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address});53    const amount = await helper.rft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address});54    expect(amount).to.be.equal(BigInt(1));55  });5657  itSub('[nft] Remove approval by using 0 amount', async ({helper}) => {58    const collection = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});59    const collectionId = collection.collectionId;60    const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: alice.address});61    await helper.nft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address});62    expect(await helper.nft.isTokenApproved(collectionId, tokenId, {Substrate: bob.address})).to.be.true;63    await helper.signTransaction(alice, helper.api?.tx.unique.approve({Substrate: bob.address}, collectionId, tokenId, 0));64    expect(await helper.nft.isTokenApproved(collectionId, tokenId, {Substrate: bob.address})).to.be.false;65  });6667  itSub('[fungible] Remove approval by using 0 amount', async ({helper}) => {68    const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'}, 0);69    await helper.ft.mintTokens(alice, collectionId, 10n, {Substrate: alice.address});70    const tokenId = await helper.ft.getLastTokenId(collectionId);71    await helper.ft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address});72    const amountBefore = await helper.ft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address});73    expect(amountBefore).to.be.equal(BigInt(1));7475    await helper.ft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address}, 0n);76    const amountAfter = await helper.ft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address});77    expect(amountAfter).to.be.equal(BigInt(0));78  });7980  itSub.ifWithPallets('[refungible] Remove approval by using 0 amount', [Pallets.ReFungible], async ({helper}) => {81    const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});82    const {tokenId} = await helper.rft.mintToken(alice, {collectionId: collectionId, owner: alice.address, pieces: 100n});83    await helper.rft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address});84    const amountBefore = await helper.rft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address});85    expect(amountBefore).to.be.equal(BigInt(1));8687    await helper.rft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address}, 0n);88    const amountAfter = await helper.rft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address});89    expect(amountAfter).to.be.equal(BigInt(0));90  });9192  itSub('can`t be called by collection owner on non-owned item when OwnerCanTransfer == false', async ({helper}) => {93    const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});94    const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: bob.address});95    const approveTokenTx = async () => helper.nft.approveToken(alice, collectionId, tokenId, {Substrate: charlie.address});96    await expect(approveTokenTx()).to.be.rejected;97  });98});99100describe('Normal user can approve other users to transfer:', () => {101  let alice: IKeyringPair;102  let bob: IKeyringPair;103  let charlie: IKeyringPair;104105  before(async () => {106    await usingPlaygrounds(async (helper, privateKey) => {107      const donor = privateKey('//Alice');108      [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);109    });110  });111112  itSub('NFT', async ({helper}) => {113    const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});114    const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: bob.address});115    await helper.nft.approveToken(bob, collectionId, tokenId, {Substrate: charlie.address});116    expect(await helper.nft.isTokenApproved(collectionId, tokenId, {Substrate: charlie.address})).to.be.true;117  });118119  itSub('Fungible up to an approved amount', async ({helper}) => {120    const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'}, 0);121    await helper.ft.mintTokens(alice, collectionId, 10n, bob.address);122    const tokenId = await helper.ft.getLastTokenId(collectionId);123    await helper.ft.approveToken(bob, collectionId, tokenId, {Substrate: charlie.address});124    const amount = await helper.ft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: charlie.address}, {Substrate: bob.address});125    expect(amount).to.be.equal(BigInt(1));126  });127128  itSub.ifWithPallets('ReFungible up to an approved amount', [Pallets.ReFungible], async ({helper}) => {129    const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});130    const {tokenId} = await helper.rft.mintToken(alice, {collectionId: collectionId, owner: bob.address, pieces: 100n});131    await helper.rft.approveToken(bob, collectionId, tokenId, {Substrate: charlie.address}, 100n);132    const amount = await helper.rft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: charlie.address}, {Substrate: bob.address});133    expect(amount).to.be.equal(BigInt(100n));134  });135});136137describe('Approved users can transferFrom up to approved amount:', () => {138  let alice: IKeyringPair;139  let bob: IKeyringPair;140  let charlie: IKeyringPair;141142  before(async () => {143    await usingPlaygrounds(async (helper, privateKey) => {144      const donor = privateKey('//Alice');145      [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);146    });147  });148149  itSub('NFT', async ({helper}) => {150    const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});151    const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: bob.address});152    await helper.nft.approveToken(bob, collectionId, tokenId, {Substrate: charlie.address});153    await helper.nft.transferTokenFrom(charlie, collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address});154    const owner = await helper.nft.getTokenOwner(collectionId, tokenId);155    expect(owner.Substrate).to.be.equal(alice.address);156  });157158  itSub('Fungible up to an approved amount', async ({helper}) => {159    const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'}, 0);160    await helper.ft.mintTokens(alice, collectionId, 10n, bob.address);161    const tokenId = await helper.ft.getLastTokenId(collectionId);162    await helper.ft.approveToken(bob, collectionId, tokenId, {Substrate: charlie.address});163    const before = await helper.ft.getBalance(collectionId, {Substrate: alice.address});164    await helper.ft.transferTokenFrom(charlie, collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address}, 1n);165    const after = await helper.ft.getBalance(collectionId, {Substrate: alice.address});166    expect(after - before).to.be.equal(BigInt(1));167  });168169  itSub.ifWithPallets('ReFungible up to an approved amount', [Pallets.ReFungible], async ({helper}) => {170    const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});171    const {tokenId} = await helper.rft.mintToken(alice, {collectionId: collectionId, owner: bob.address, pieces: 100n});172    await helper.rft.approveToken(bob, collectionId, tokenId, {Substrate: charlie.address});173    const before = await helper.rft.getTokenBalance(collectionId, tokenId, {Substrate: alice.address});174    await helper.rft.transferTokenFrom(charlie, collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address}, 1n);175    const after = await helper.rft.getTokenBalance(collectionId, tokenId, {Substrate: alice.address});176    expect(after - before).to.be.equal(BigInt(1));177  });178});179180describe('Approved users cannot use transferFrom to repeat transfers if approved amount was already transferred:', () => {181  let alice: IKeyringPair;182  let bob: IKeyringPair;183  let charlie: IKeyringPair;184185  before(async () => {186    await usingPlaygrounds(async (helper, privateKey) => {187      const donor = privateKey('//Alice');188      [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);189    });190  });191192  itSub('NFT', async ({helper}) => {193    const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});194    const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: bob.address});195    await helper.nft.approveToken(bob, collectionId, tokenId, {Substrate: charlie.address});196    await helper.nft.transferTokenFrom(charlie, collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address});197    const owner = await helper.nft.getTokenOwner(collectionId, tokenId);198    expect(owner.Substrate).to.be.equal(alice.address);199    const transferTokenFromTx = async () => helper.nft.transferTokenFrom(charlie, collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address});200    await expect(transferTokenFromTx()).to.be.rejected;201  });202203  itSub('Fungible up to an approved amount', async ({helper}) => {204    const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'}, 0);205    await helper.ft.mintTokens(alice, collectionId, 10n, bob.address);206    const tokenId = await helper.ft.getLastTokenId(collectionId);207    await helper.ft.approveToken(bob, collectionId, tokenId, {Substrate: charlie.address});208    const before = await helper.ft.getBalance(collectionId, {Substrate: alice.address});209    await helper.ft.transferTokenFrom(charlie, collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address}, 1n);210    const after = await helper.ft.getBalance(collectionId, {Substrate: alice.address});211    expect(after - before).to.be.equal(BigInt(1));212213    const transferTokenFromTx = async () => helper.ft.transferTokenFrom(charlie, collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address}, 1n);214    await expect(transferTokenFromTx()).to.be.rejected;215  });216217  itSub.ifWithPallets('ReFungible up to an approved amount', [Pallets.ReFungible], async ({helper}) => {218    const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});219    const {tokenId} = await helper.rft.mintToken(alice, {collectionId: collectionId, owner: bob.address, pieces: 100n});220    await helper.rft.approveToken(bob, collectionId, tokenId, {Substrate: charlie.address}, 100n);221    const before = await helper.rft.getTokenBalance(collectionId, tokenId, {Substrate: alice.address});222    await helper.rft.transferTokenFrom(charlie, collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address}, 100n);223    const after = await helper.rft.getTokenBalance(collectionId, tokenId, {Substrate: alice.address});224    expect(after - before).to.be.equal(BigInt(100));225    const transferTokenFromTx = async () => helper.rft.transferTokenFrom(charlie, collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address}, 100n);226    await expect(transferTokenFromTx()).to.be.rejected;227  });228});229230describe('Approved amount decreases by the transferred amount.:', () => {231  let alice: IKeyringPair;232  let bob: IKeyringPair;233  let charlie: IKeyringPair;234  let dave: IKeyringPair;235236  before(async () => {237    await usingPlaygrounds(async (helper, privateKey) => {238      const donor = privateKey('//Alice');239      [alice, bob, charlie, dave] = await helper.arrange.createAccounts([100n, 100n, 100n, 100n], donor);240    });241  });242243  itSub('If a user B is approved to transfer 10 Fungible tokens from user A, they can transfer 2 tokens to user C, which will result in decreasing approval from 10 to 8. Then user B can transfer 8 tokens to user D.', async ({helper}) => {244    const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'}, 0);245    await helper.ft.mintTokens(alice, collectionId, 10n, alice.address);246    const tokenId = await helper.ft.getLastTokenId(collectionId);247    await helper.ft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address}, 10n);248249    const charlieBefore = await helper.ft.getBalance(collectionId, {Substrate: charlie.address});250    await helper.ft.transferTokenFrom(bob, collectionId, tokenId, {Substrate: alice.address}, {Substrate: charlie.address}, 2n);251    const charlieAfter = await helper.ft.getBalance(collectionId, {Substrate: charlie.address});252    expect(charlieAfter - charlieBefore).to.be.equal(BigInt(2));253254    const daveBefore = await helper.ft.getBalance(collectionId, {Substrate: dave.address});255    await helper.ft.transferTokenFrom(bob, collectionId, tokenId, {Substrate: alice.address}, {Substrate: dave.address}, 8n);256    const daveAfter = await helper.ft.getBalance(collectionId, {Substrate: dave.address});257    expect(daveAfter - daveBefore).to.be.equal(BigInt(8));258  });259});260261describe('User may clear the approvals to approving for 0 amount:', () => {262  let alice: IKeyringPair;263  let bob: IKeyringPair;264  let charlie: IKeyringPair;265266  before(async () => {267    await usingPlaygrounds(async (helper, privateKey) => {268      const donor = privateKey('//Alice');269      [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);270    });271  });272273  itSub('NFT', async ({helper}) => {274    const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});275    const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: alice.address});276    await helper.nft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address});277    expect(await helper.nft.isTokenApproved(collectionId, tokenId, {Substrate: bob.address})).to.be.true;278    await helper.signTransaction(alice, helper.api?.tx.unique.approve({Substrate: bob.address}, collectionId, tokenId, 0));279    expect(await helper.nft.isTokenApproved(collectionId, tokenId, {Substrate: bob.address})).to.be.false;280    const transferTokenFromTx = async () => helper.nft.transferTokenFrom(bob, collectionId, tokenId, {Substrate: bob.address}, {Substrate: bob.address});281    await expect(transferTokenFromTx()).to.be.rejected;282  });283284  itSub('Fungible', async ({helper}) => {285    const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'}, 0);286    await helper.ft.mintTokens(alice, collectionId, 10n, alice.address);287    const tokenId = await helper.ft.getLastTokenId(collectionId);288    await helper.ft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address});289    const amountBefore = await helper.ft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address});290    expect(amountBefore).to.be.equal(BigInt(1));291292    await helper.ft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address}, 0n);293    const amountAfter = await helper.ft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address});294    expect(amountAfter).to.be.equal(BigInt(0));295296    const transferTokenFromTx = async () => helper.ft.transferTokenFrom(bob, collectionId, tokenId, {Substrate: bob.address}, {Substrate: charlie.address}, 1n);297    await expect(transferTokenFromTx()).to.be.rejected;298  });299300  itSub.ifWithPallets('ReFungible', [Pallets.ReFungible], async ({helper}) => {301    const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});302    const {tokenId} = await helper.rft.mintToken(alice, {collectionId: collectionId, owner: alice.address, pieces: 100n});303    await helper.rft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address});304    const amountBefore = await helper.rft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address});305    expect(amountBefore).to.be.equal(BigInt(1));306307    await helper.rft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address}, 0n);308    const amountAfter = await helper.rft.getTokenApprovedPieces(collectionId, tokenId, {Substrate: bob.address}, {Substrate: alice.address});309    expect(amountAfter).to.be.equal(BigInt(0));310311    const transferTokenFromTx = async () => helper.rft.transferTokenFrom(bob, collectionId, tokenId, {Substrate: bob.address}, {Substrate: charlie.address}, 100n);312    await expect(transferTokenFromTx()).to.be.rejected;313  });314});315316describe('User cannot approve for the amount greater than they own:', () => {317  let alice: IKeyringPair;318  let bob: IKeyringPair;319  let charlie: IKeyringPair;320321  before(async () => {322    await usingPlaygrounds(async (helper, privateKey) => {323      const donor = privateKey('//Alice');324      [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);325    });326  });327328  itSub('1 for NFT', async ({helper}) => {329    const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});330    const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: bob.address});331    const approveTx = async () => helper.signTransaction(bob, helper.api?.tx.unique.approve({Substrate: charlie.address}, collectionId, tokenId, 2));332    await expect(approveTx()).to.be.rejected;333    expect(await helper.nft.isTokenApproved(collectionId, tokenId, {Substrate: charlie.address})).to.be.false;334  });335336  itSub('Fungible', async ({helper}) => {337    const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'}, 0);338    await helper.ft.mintTokens(alice, collectionId, 10n, alice.address);339    const tokenId = await helper.ft.getLastTokenId(collectionId);340    const approveTx = async () => helper.ft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address}, 11n);341    await expect(approveTx()).to.be.rejected;342  });343344  itSub.ifWithPallets('ReFungible', [Pallets.ReFungible], async ({helper}) => {345    const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});346    const {tokenId} = await helper.rft.mintToken(alice, {collectionId: collectionId, owner: alice.address, pieces: 100n});347    const approveTx = async () => helper.rft.approveToken(alice, collectionId, tokenId, {Substrate: bob.address}, 101n);348    await expect(approveTx()).to.be.rejected;349  });350});351352describe('Administrator and collection owner do not need approval in order to execute TransferFrom (with owner_can_transfer_flag = true):', () => {353  let alice: IKeyringPair;354  let bob: IKeyringPair;355  let charlie: IKeyringPair;356  let dave: IKeyringPair;357358  before(async () => {359    await usingPlaygrounds(async (helper, privateKey) => {360      const donor = privateKey('//Alice');361      [alice, bob, charlie, dave] = await helper.arrange.createAccounts([100n, 100n, 100n, 100n], donor);362    });363  });364365  itSub('NFT', async ({helper}) => {366    const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});367    await helper.collection.setLimits(alice, collectionId, {ownerCanTransfer: true});368    const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: charlie.address});369370    await helper.nft.transferTokenFrom(alice, collectionId, tokenId, {Substrate: charlie.address}, {Substrate: dave.address});371    const owner1 = await helper.nft.getTokenOwner(collectionId, tokenId);372    expect(owner1.Substrate).to.be.equal(dave.address);373374    await helper.collection.addAdmin(alice, collectionId, {Substrate: bob.address});375    await helper.nft.transferTokenFrom(bob, collectionId, tokenId, {Substrate: dave.address}, {Substrate: alice.address});376    const owner2 = await helper.nft.getTokenOwner(collectionId, tokenId);377    expect(owner2.Substrate).to.be.equal(alice.address);378  });379380  itSub('Fungible up to an approved amount', async ({helper}) => {381    const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'}, 0);382    await helper.collection.setLimits(alice, collectionId, {ownerCanTransfer: true});383    await helper.ft.mintTokens(alice, collectionId, 10n, charlie.address);384    const tokenId = await helper.ft.getLastTokenId(collectionId);385386    const daveBalanceBefore = await helper.ft.getBalance(collectionId, {Substrate: dave.address});387    await helper.ft.transferTokenFrom(alice, collectionId, tokenId, {Substrate: charlie.address}, {Substrate: dave.address}, 1n);388    const daveBalanceAfter = await helper.ft.getBalance(collectionId, {Substrate: dave.address});389    expect(daveBalanceAfter - daveBalanceBefore).to.be.equal(BigInt(1));390391    await helper.collection.addAdmin(alice ,collectionId, {Substrate: bob.address});392393    const aliceBalanceBefore = await helper.ft.getBalance(collectionId, {Substrate: alice.address});394    await helper.ft.transferTokenFrom(bob, collectionId, tokenId, {Substrate: dave.address}, {Substrate: alice.address}, 1n);395    const aliceBalanceAfter = await helper.ft.getBalance(collectionId, {Substrate: alice.address});396    expect(aliceBalanceAfter - aliceBalanceBefore).to.be.equal(BigInt(1));397  });398399  itSub.ifWithPallets('ReFungible up to an approved amount', [Pallets.ReFungible], async ({helper}) => {400    const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});401    await helper.collection.setLimits(alice, collectionId, {ownerCanTransfer: true});402    const {tokenId} = await helper.rft.mintToken(alice, {collectionId: collectionId, owner: charlie.address, pieces: 100n});403404    const daveBefore = await helper.rft.getTokenBalance(collectionId, tokenId, {Substrate: dave.address});405    await helper.rft.transferTokenFrom(alice, collectionId, tokenId, {Substrate: charlie.address}, {Substrate: dave.address}, 1n);406    const daveAfter = await helper.rft.getTokenBalance(collectionId, tokenId, {Substrate: dave.address});407    expect(daveAfter - daveBefore).to.be.equal(BigInt(1));408409    await helper.collection.addAdmin(alice, collectionId, {Substrate: bob.address});410411    const aliceBefore = await helper.rft.getTokenBalance(collectionId, tokenId, {Substrate: alice.address});412    await helper.rft.transferTokenFrom(bob, collectionId, tokenId, {Substrate: dave.address}, {Substrate: alice.address}, 1n);413    const aliceAfter = await helper.rft.getTokenBalance(collectionId, tokenId, {Substrate: alice.address});414    expect(aliceAfter - aliceBefore).to.be.equal(BigInt(1));415  });416});417418describe('Repeated approvals add up', () => {419  let alice: IKeyringPair;420  let bob: IKeyringPair;421  let charlie: IKeyringPair;422  let dave: IKeyringPair;423424  before(async () => {425    await usingPlaygrounds(async (helper, privateKey) => {426      const donor = privateKey('//Alice');427      [alice, bob, charlie, dave] = await helper.arrange.createAccounts([100n, 100n, 100n, 100n], donor);428    });429  });430431  itSub.skip('Owned 10, approval 1: 1, approval 2: 1, resulting approved value: 2. Fungible', async ({helper}) => {432    const collection = await helper.ft.mintCollection(alice, {});433    await collection.mint(alice, 10n);434    await collection.approveTokens(alice, {Substrate: bob.address}, 1n);435    await collection.approveTokens(alice, {Substrate: charlie.address}, 1n);436    // const allowances1 = await getAllowance(collectionId, 0, Alice.address, Bob.address);437    // const allowances2 = await getAllowance(collectionId, 0, Alice.address, Charlie.address);438    // expect(allowances1 + allowances2).to.be.eq(BigInt(2));439  });440441  itSub.skip('Owned 10, approval 1: 1, approval 2: 1, resulting approved value: 2. ReFungible', async ({helper}) => {442    const collection = await helper.rft.mintCollection(alice, {});443    const token = await collection.mintToken(alice, 10n);444    await token.approve(alice, {Substrate: bob.address}, 1n);445    await token.approve(alice, {Substrate: charlie.address}, 1n);446    // const allowances1 = await getAllowance(collectionId, itemId, Alice.address, Bob.address);447    // const allowances2 = await getAllowance(collectionId, itemId, Alice.address, Charlie.address);448    // expect(allowances1 + allowances2).to.be.eq(BigInt(2));449  });450451  // Canceled by changing approve logic452  itSub.skip('Cannot approve for more than total user\'s amount (owned: 10, approval 1: 5 - should succeed, approval 2: 6 - should fail). Fungible', async ({helper}) => {453    const collection = await helper.ft.mintCollection(alice, {});454    await collection.mint(alice, 10n, {Substrate: dave.address});455    await collection.approveTokens(dave, {Substrate: bob.address}, 5n);456    await expect(collection.approveTokens(dave, {Substrate: charlie.address}, 6n))457      .to.be.rejectedWith('this test would fail (since it is skipped), replace this expecting message with what would have been received');458  });459460  // Canceled by changing approve logic461  itSub.skip('Cannot approve for more than total user\'s amount (owned: 100, approval 1: 50 - should succeed, approval 2: 51 - should fail). ReFungible', async ({helper}) => {462    const collection = await helper.rft.mintCollection(alice, {});463    const token = await collection.mintToken(alice, 100n, {Substrate: dave.address});464    await token.approve(dave, {Substrate: bob.address}, 50n);465    await expect(token.approve(dave, {Substrate: charlie.address}, 51n))466      .to.be.rejectedWith('this test would fail (since it is skipped), replace this expecting message with what would have been received');467  });468});469470describe('Integration Test approve(spender, collection_id, item_id, amount) with collection admin permissions:', () => {471  let alice: IKeyringPair;472  let bob: IKeyringPair;473  let charlie: IKeyringPair;474475  before(async () => {476    await usingPlaygrounds(async (helper, privateKey) => {477      const donor = privateKey('//Alice');478      [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);479    });480  });481482  itSub('can be called by collection admin on non-owned item', async ({helper}) => {483    const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});484    const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: alice.address});485    await helper.collection.addAdmin(alice, collectionId, {Substrate: bob.address});486    const approveTx = async () => helper.nft.approveToken(bob, collectionId, tokenId, {Substrate: charlie.address});487    await expect(approveTx()).to.be.rejected;488  });489});490491describe('Negative Integration Test approve(spender, collection_id, item_id, amount):', () => {492  let alice: IKeyringPair;493  let bob: IKeyringPair;494  let charlie: IKeyringPair;495496  before(async () => {497    await usingPlaygrounds(async (helper, privateKey) => {498      const donor = privateKey('//Alice');499      [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);500    });501  });502503  itSub('[nft] Approve for a collection that does not exist', async ({helper}) => {504    const collectionId = 1 << 32 - 1;505    const approveTx = async () => helper.nft.approveToken(bob, collectionId, 1, {Substrate: charlie.address});506    await expect(approveTx()).to.be.rejected;507  });508509  itSub('[fungible] Approve for a collection that does not exist', async ({helper}) => {510    const collectionId = 1 << 32 - 1;511    const approveTx = async () => helper.ft.approveToken(bob, collectionId, 1, {Substrate: charlie.address});512    await expect(approveTx()).to.be.rejected;513  });514515  itSub.ifWithPallets('[refungible] Approve for a collection that does not exist', [Pallets.ReFungible], async ({helper}) => {516    const collectionId = 1 << 32 - 1;517    const approveTx = async () => helper.rft.approveToken(bob, collectionId, 1, {Substrate: charlie.address});518    await expect(approveTx()).to.be.rejected;519  });520521  itSub('[nft] Approve for a collection that was destroyed', async ({helper}) => {522    const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});523    await helper.nft.burn(alice, collectionId);524    const approveTx = async () => helper.nft.approveToken(alice, collectionId, 1, {Substrate: bob.address});525    await expect(approveTx()).to.be.rejected;526  });527528  itSub('[fungible] Approve for a collection that was destroyed', async ({helper}) => {529    const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});530    await helper.ft.burn(alice, collectionId);531    const approveTx = async () => helper.ft.approveToken(alice, collectionId, 1, {Substrate: bob.address});532    await expect(approveTx()).to.be.rejected;533  });534535  itSub.ifWithPallets('[refungible] Approve for a collection that was destroyed', [Pallets.ReFungible], async ({helper}) => {536    const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});537    await helper.rft.burn(alice, collectionId);538    const approveTx = async () => helper.rft.approveToken(alice, collectionId, 1, {Substrate: bob.address});539    await expect(approveTx()).to.be.rejected;540  });541  542  itSub('[nft] Approve transfer of a token that does not exist', async ({helper}) => {543    const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});544    const approveTx = async () => helper.nft.approveToken(alice, collectionId, 2, {Substrate: bob.address});545    await expect(approveTx()).to.be.rejected;546  });547548  itSub.ifWithPallets('[refungible] Approve transfer of a token that does not exist', [Pallets.ReFungible], async ({helper}) => {549    const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});550    const approveTx = async () => helper.rft.approveToken(alice, collectionId, 2, {Substrate: bob.address});551    await expect(approveTx()).to.be.rejected;552  });553554  itSub('[nft] Approve using the address that does not own the approved token', async ({helper}) => {555    const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});556    const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: alice.address});557    const approveTx = async () => helper.nft.approveToken(bob, collectionId, tokenId, {Substrate: alice.address});558    await expect(approveTx()).to.be.rejected;559  });560561  itSub('[fungible] Approve using the address that does not own the approved token', async ({helper}) => {562    const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});563    await helper.ft.mintTokens(alice, collectionId, 10n, alice.address);564    const tokenId = await helper.ft.getLastTokenId(collectionId);565    const approveTx = async () => helper.ft.approveToken(bob, collectionId, tokenId, {Substrate: alice.address});566    await expect(approveTx()).to.be.rejected;567  });568569  itSub.ifWithPallets('[refungible] Approve using the address that does not own the approved token', [Pallets.ReFungible], async ({helper}) => {570    const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});571    const {tokenId} = await helper.rft.mintToken(alice, {collectionId: collectionId, owner: alice.address, pieces: 100n});572    const approveTx = async () => helper.rft.approveToken(bob, collectionId, tokenId, {Substrate: alice.address});573    await expect(approveTx()).to.be.rejected;574  });575576  itSub.ifWithPallets('should fail if approved more ReFungibles than owned', [Pallets.ReFungible], async ({helper}) => {577    const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});578    const {tokenId} = await helper.rft.mintToken(alice, {collectionId: collectionId, owner: alice.address, pieces: 100n});579    await helper.rft.transferToken(alice, collectionId, tokenId, {Substrate: bob.address}, 100n);580    await helper.rft.approveToken(bob, collectionId, tokenId, {Substrate: alice.address}, 100n);581582    const approveTx = async () => helper.rft.approveToken(bob, collectionId, tokenId, {Substrate: alice.address}, 101n);583    await expect(approveTx()).to.be.rejected;584  });585586  itSub('should fail if approved more Fungibles than owned', async ({helper}) => {587    const {collectionId} = await helper.ft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});588    await helper.ft.mintTokens(alice, collectionId, 10n, alice.address);589    const tokenId = await helper.ft.getLastTokenId(collectionId);590591    await helper.ft.transferToken(alice, collectionId, tokenId, {Substrate: bob.address}, 10n);592    await helper.ft.approveToken(bob, collectionId, tokenId, {Substrate: alice.address}, 10n);593    const approveTx = async () => helper.ft.approveToken(bob, collectionId, tokenId, {Substrate: alice.address}, 11n);594    await expect(approveTx()).to.be.rejected;595  });596597  itSub('fails when called by collection owner on non-owned item when OwnerCanTransfer == false', async ({helper}) => {598    const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});599    const {tokenId} = await helper.nft.mintToken(alice, {collectionId: collectionId, owner: bob.address});600    await helper.collection.setLimits(alice, collectionId, {ownerCanTransfer: false});601602    const approveTx = async () => helper.nft.approveToken(alice, collectionId, tokenId, {Substrate: charlie.address});603    await expect(approveTx()).to.be.rejected;604  });605});
modifiedtests/src/burnItem.test.tsdiffbeforeafterboth
--- a/tests/src/burnItem.test.ts
+++ b/tests/src/burnItem.test.ts
@@ -25,7 +25,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([100n, 100n], donor);
     });
   });
@@ -80,7 +80,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([100n, 100n], donor);
     });
   });
@@ -123,7 +123,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([100n, 100n], donor);
     });
   });
modifiedtests/src/change-collection-owner.test.tsdiffbeforeafterboth
--- a/tests/src/change-collection-owner.test.ts
+++ b/tests/src/change-collection-owner.test.ts
@@ -23,7 +23,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([100n, 100n], donor);
     });
   });
@@ -46,7 +46,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);
     });
   });
@@ -108,7 +108,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);
     });
   });
modifiedtests/src/check-event/burnItemEvent.test.tsdiffbeforeafterboth
--- a/tests/src/check-event/burnItemEvent.test.ts
+++ b/tests/src/check-event/burnItemEvent.test.ts
@@ -24,7 +24,7 @@
   let alice: IKeyringPair;
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([10n], donor);
     });
   });
modifiedtests/src/check-event/createCollectionEvent.test.tsdiffbeforeafterboth
--- a/tests/src/check-event/createCollectionEvent.test.ts
+++ b/tests/src/check-event/createCollectionEvent.test.ts
@@ -23,7 +23,7 @@
   let alice: IKeyringPair;
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([10n], donor);
     });
   });
modifiedtests/src/check-event/createItemEvent.test.tsdiffbeforeafterboth
--- a/tests/src/check-event/createItemEvent.test.ts
+++ b/tests/src/check-event/createItemEvent.test.ts
@@ -23,7 +23,7 @@
   let alice: IKeyringPair;
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([10n], donor);
     });
   });
modifiedtests/src/check-event/createMultipleItemsEvent.test.tsdiffbeforeafterboth
--- a/tests/src/check-event/createMultipleItemsEvent.test.ts
+++ b/tests/src/check-event/createMultipleItemsEvent.test.ts
@@ -23,7 +23,7 @@
   let alice: IKeyringPair;
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([10n], donor);
     });
   });
modifiedtests/src/check-event/destroyCollectionEvent.test.tsdiffbeforeafterboth
--- a/tests/src/check-event/destroyCollectionEvent.test.ts
+++ b/tests/src/check-event/destroyCollectionEvent.test.ts
@@ -23,7 +23,7 @@
   let alice: IKeyringPair;
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([10n], donor);
     });
   });
modifiedtests/src/check-event/transferEvent.test.tsdiffbeforeafterboth
--- a/tests/src/check-event/transferEvent.test.ts
+++ b/tests/src/check-event/transferEvent.test.ts
@@ -25,7 +25,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([10n, 10n], donor);
     });
   });
modifiedtests/src/check-event/transferFromEvent.test.tsdiffbeforeafterboth
--- a/tests/src/check-event/transferFromEvent.test.ts
+++ b/tests/src/check-event/transferFromEvent.test.ts
@@ -24,7 +24,7 @@
   let bob: IKeyringPair;
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([10n, 10n], donor);
     });
   });
modifiedtests/src/confirmSponsorship.test.tsdiffbeforeafterboth
--- a/tests/src/confirmSponsorship.test.ts
+++ b/tests/src/confirmSponsorship.test.ts
@@ -37,7 +37,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob, charlie, zeroBalance] = await helper.arrange.createAccounts([100n, 100n, 100n, 0n], donor);
     });
   });
@@ -183,7 +183,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob, charlie, ownerZeroBalance, senderZeroBalance] = await helper.arrange.createAccounts([100n, 100n, 100n, 0n, 0n], donor);
     });
   });
modifiedtests/src/createCollection.test.tsdiffbeforeafterboth
--- a/tests/src/createCollection.test.ts
+++ b/tests/src/createCollection.test.ts
@@ -49,7 +49,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([100n], donor);
     });
   });
@@ -110,7 +110,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([100n], donor);
     });
   });
modifiedtests/src/createItem.test.tsdiffbeforeafterboth
--- a/tests/src/createItem.test.ts
+++ b/tests/src/createItem.test.ts
@@ -50,7 +50,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([100n, 100n], donor);
     });
   });
@@ -179,7 +179,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([100n, 100n], donor);
     });
   });
modifiedtests/src/createMultipleItems.test.tsdiffbeforeafterboth
--- a/tests/src/createMultipleItems.test.ts
+++ b/tests/src/createMultipleItems.test.ts
@@ -22,7 +22,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([100n], donor);
     });
   });
@@ -168,7 +168,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([100n, 100n], donor);
     });
   });
modifiedtests/src/createMultipleItemsEx.test.tsdiffbeforeafterboth
--- a/tests/src/createMultipleItemsEx.test.ts
+++ b/tests/src/createMultipleItemsEx.test.ts
@@ -25,7 +25,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);
     });
   });
@@ -268,7 +268,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);
     });
   });
modifiedtests/src/creditFeesToTreasury.test.tsdiffbeforeafterboth
--- a/tests/src/creditFeesToTreasury.test.ts
+++ b/tests/src/creditFeesToTreasury.test.ts
@@ -50,7 +50,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([100n, 100n], donor);
     });
   });
modifiedtests/src/destroyCollection.test.tsdiffbeforeafterboth
--- a/tests/src/destroyCollection.test.ts
+++ b/tests/src/destroyCollection.test.ts
@@ -22,7 +22,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([100n], donor);
     });
   });
@@ -62,7 +62,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([100n, 100n], donor);
     });
   });
modifiedtests/src/enableDisableTransfer.test.tsdiffbeforeafterboth
--- a/tests/src/enableDisableTransfer.test.ts
+++ b/tests/src/enableDisableTransfer.test.ts
@@ -23,7 +23,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([100n, 100n], donor);
     });
   });
@@ -62,7 +62,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([100n, 100n], donor);
     });
   });
modifiedtests/src/eth/allowlist.test.tsdiffbeforeafterboth
--- a/tests/src/eth/allowlist.test.ts
+++ b/tests/src/eth/allowlist.test.ts
@@ -22,7 +22,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (_helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
     });
   });
 
@@ -70,7 +70,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (_helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
     });
   });
 
modifiedtests/src/eth/base.test.tsdiffbeforeafterboth
--- a/tests/src/eth/base.test.ts
+++ b/tests/src/eth/base.test.ts
@@ -29,7 +29,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (_helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
     });
   });
 
@@ -82,7 +82,7 @@
 
   before(async () => {
     await usingEthPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       const [alice] = await helper.arrange.createAccounts([10n], donor);
       ({collectionId: collection} = await helper.nft.mintCollection(alice, {name: 'test', description: 'test', tokenPrefix: 'test'}));
       minter = helper.eth.createAccount();
modifiedtests/src/eth/collectionAdmin.test.tsdiffbeforeafterboth
--- a/tests/src/eth/collectionAdmin.test.ts
+++ b/tests/src/eth/collectionAdmin.test.ts
@@ -32,7 +32,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (_helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
     });
   });
 
@@ -144,7 +144,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (_helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
     });
   });
 
@@ -272,7 +272,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (_helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
     });
   });
 
@@ -314,7 +314,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (_helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
     });
   });
 
modifiedtests/src/eth/collectionProperties.test.tsdiffbeforeafterboth
--- a/tests/src/eth/collectionProperties.test.ts
+++ b/tests/src/eth/collectionProperties.test.ts
@@ -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/>.
+
 import {itEth, usingEthPlaygrounds, expect} from './util/playgrounds';
 import {IKeyringPair} from '@polkadot/types/types';
 
@@ -7,7 +23,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (_helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
       [alice] = await _helper.arrange.createAccounts([10n], donor);
     });
   });
modifiedtests/src/eth/createNFTCollection.test.tsdiffbeforeafterboth
--- a/tests/src/eth/createNFTCollection.test.ts
+++ b/tests/src/eth/createNFTCollection.test.ts
@@ -24,7 +24,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (_helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
     });
   });
 
@@ -150,7 +150,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (_helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
     });
   });
 
modifiedtests/src/eth/createRFTCollection.test.tsdiffbeforeafterboth
--- a/tests/src/eth/createRFTCollection.test.ts
+++ b/tests/src/eth/createRFTCollection.test.ts
@@ -26,7 +26,7 @@
   before(async function() {
     await usingEthPlaygrounds(async (helper, privateKey) => {
       requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
     });
   });
 
@@ -152,7 +152,7 @@
   before(async function() {
     await usingEthPlaygrounds(async (helper, privateKey) => {
       requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
     });
   });
 
modifiedtests/src/eth/crossTransfer.test.tsdiffbeforeafterboth
--- a/tests/src/eth/crossTransfer.test.ts
+++ b/tests/src/eth/crossTransfer.test.ts
@@ -26,7 +26,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
       [alice, bob, charlie] = await helper.arrange.createAccounts([10n, 10n, 10n], donor);
     });
   });
@@ -69,7 +69,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
       [alice, bob, charlie] = await helper.arrange.createAccounts([10n, 10n, 10n], donor);
     });
   });
modifiedtests/src/eth/fractionalizer/fractionalizer.test.tsdiffbeforeafterboth
--- a/tests/src/eth/fractionalizer/fractionalizer.test.ts
+++ b/tests/src/eth/fractionalizer/fractionalizer.test.ts
@@ -85,7 +85,7 @@
   before(async function() {
     await usingEthPlaygrounds(async (helper: EthUniqueHelper, privateKey) => {
       requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
     });
   });
 
@@ -225,7 +225,7 @@
   before(async function() {
     await usingEthPlaygrounds(async (helper: EthUniqueHelper, privateKey) => {
       requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
     });
   });
 
modifiedtests/src/eth/fungible.test.tsdiffbeforeafterboth
--- a/tests/src/eth/fungible.test.ts
+++ b/tests/src/eth/fungible.test.ts
@@ -23,7 +23,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([20n], donor);
     });
   });
@@ -55,7 +55,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([20n], donor);
     });
   });
@@ -224,7 +224,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([20n], donor);
     });
   });
@@ -277,7 +277,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([20n], donor);
     });
   });
modifiedtests/src/eth/helpersSmoke.test.tsdiffbeforeafterboth
--- a/tests/src/eth/helpersSmoke.test.ts
+++ b/tests/src/eth/helpersSmoke.test.ts
@@ -22,7 +22,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (_helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
     });
   });
   
modifiedtests/src/eth/migration.test.tsdiffbeforeafterboth
--- a/tests/src/eth/migration.test.ts
+++ b/tests/src/eth/migration.test.ts
@@ -22,7 +22,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (_helper, privateKey) => {
-      superuser = privateKey('//Alice');
+      superuser = await privateKey('//Alice');
     });
   });
   
modifiedtests/src/eth/nesting/nest.test.tsdiffbeforeafterboth
--- a/tests/src/eth/nesting/nest.test.ts
+++ b/tests/src/eth/nesting/nest.test.ts
@@ -21,7 +21,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (_, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
     });
   });
 
modifiedtests/src/eth/nonFungible.test.tsdiffbeforeafterboth
--- a/tests/src/eth/nonFungible.test.ts
+++ b/tests/src/eth/nonFungible.test.ts
@@ -25,7 +25,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([10n], donor);
     });
   });
@@ -75,7 +75,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (_helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
     });
   });
 
@@ -137,7 +137,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([10n], donor);
     });
   });
@@ -318,7 +318,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([10n], donor);
     });
   });
@@ -371,7 +371,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([20n], donor);
     });
   });
@@ -496,7 +496,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([20n], donor);
     });
   });
modifiedtests/src/eth/payable.test.tsdiffbeforeafterboth
--- a/tests/src/eth/payable.test.ts
+++ b/tests/src/eth/payable.test.ts
@@ -23,7 +23,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (_, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
     });
   });
 
@@ -68,7 +68,7 @@
     expect(await contract.methods.getUnaccounted().call()).to.be.equal(weiCount.toString());
   });
 
-  itEth('Balance can be retrieved from evm contract', async({helper, privateKey}) => {
+  itEth('Balance can be retrieved from evm contract', async({helper}) => {
     const FEE_BALANCE = 10n * helper.balance.getOneTokenNominal();
     const CONTRACT_BALANCE = 1n * helper.balance.getOneTokenNominal();
 
@@ -80,7 +80,7 @@
 
     await web3.eth.sendTransaction({from: deployer, to: contract.options.address, value: CONTRACT_BALANCE.toString(), gas: helper.eth.DEFAULT_GAS});
 
-    const receiver = privateKey(`//Receiver${Date.now()}`);
+    const [receiver] = await helper.arrange.createAccounts([0n], donor);
 
     // First receive balance on eth balance of bob
     {
@@ -110,7 +110,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (_, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
     });
   });
 
modifiedtests/src/eth/proxy/fungibleProxy.test.tsdiffbeforeafterboth
--- a/tests/src/eth/proxy/fungibleProxy.test.ts
+++ b/tests/src/eth/proxy/fungibleProxy.test.ts
@@ -38,7 +38,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([10n], donor);
     });
   });
@@ -77,7 +77,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([10n], donor);
     });
   });
modifiedtests/src/eth/proxy/nonFungibleProxy.test.tsdiffbeforeafterboth
--- a/tests/src/eth/proxy/nonFungibleProxy.test.ts
+++ b/tests/src/eth/proxy/nonFungibleProxy.test.ts
@@ -38,7 +38,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([10n], donor);
     });
   });
@@ -95,7 +95,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([10n], donor);
     });
   });
@@ -139,7 +139,7 @@
   });
 
   //TODO: CORE-302 add eth methods
-  itWeb3.skip('Can perform mintBulk()', async ({web3, api, privateKeyWrapper}) => {
+  itWeb3.skip('Can perform mintBulk()', async () => {
     /*
     const collection = await createCollectionExpectSuccess({
       mode: {type: 'NFT'},
modifiedtests/src/eth/reFungible.test.tsdiffbeforeafterboth
--- a/tests/src/eth/reFungible.test.ts
+++ b/tests/src/eth/reFungible.test.ts
@@ -25,7 +25,7 @@
     await usingEthPlaygrounds(async (helper, privateKey) => {
       requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);
 
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
     });
   });
 
@@ -117,7 +117,7 @@
     await usingEthPlaygrounds(async (helper, privateKey) => {
       requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);
 
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
     });
   });
 
@@ -329,7 +329,7 @@
     await usingEthPlaygrounds(async (helper, privateKey) => {
       requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);
 
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
     });
   });
 
@@ -370,7 +370,7 @@
     await usingEthPlaygrounds(async (helper, privateKey) => {
       requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);
 
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([20n], donor);
     });
   });
modifiedtests/src/eth/reFungibleToken.test.tsdiffbeforeafterboth
--- a/tests/src/eth/reFungibleToken.test.ts
+++ b/tests/src/eth/reFungibleToken.test.ts
@@ -28,7 +28,7 @@
     await usingEthPlaygrounds(async (helper, privateKey) => {
       requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);
 
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([20n], donor);
     });
   });
@@ -72,7 +72,7 @@
     await usingEthPlaygrounds(async (helper, privateKey) => {
       requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);
 
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
     });
   });
 
@@ -136,7 +136,7 @@
     await usingEthPlaygrounds(async (helper, privateKey) => {
       requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);
 
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([50n], donor);
     });
   });
@@ -327,7 +327,7 @@
     await usingEthPlaygrounds(async (helper, privateKey) => {
       requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);
 
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([50n], donor);
     });
   });
@@ -382,7 +382,7 @@
     await usingEthPlaygrounds(async (helper, privateKey) => {
       requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);
 
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([50n], donor);
     });
   });
@@ -472,7 +472,7 @@
     await usingEthPlaygrounds(async (helper, privateKey) => {
       requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);
 
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
     });
   });
 
modifiedtests/src/eth/tokenProperties.test.tsdiffbeforeafterboth
--- a/tests/src/eth/tokenProperties.test.ts
+++ b/tests/src/eth/tokenProperties.test.ts
@@ -1,94 +1,116 @@
-import {addCollectionAdminExpectSuccess, createCollectionExpectSuccess, createItemExpectSuccess} from '../util/helpers';
-import {cartesian, collectionIdToAddress, createEthAccount, createEthAccountWithBalance, GAS_ARGS, itWeb3} from './util/helpers';
-import nonFungibleAbi from './nonFungibleAbi.json';
-import {expect} from 'chai';
-import {executeTransaction} from '../substrate/substrate-api';
+// 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/>.
+
+import {itEth, usingEthPlaygrounds, expect, cartesian} from './util/playgrounds';
+import {IKeyringPair} from '@polkadot/types/types';
 
 describe('EVM token properties', () => {
-  itWeb3('Can be reconfigured', async({web3, api, privateKeyWrapper}) => {
-    const alice = privateKeyWrapper('//Alice');
-    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+  let donor: IKeyringPair;
+  let alice: IKeyringPair;
+
+  before(async function() {
+    await usingEthPlaygrounds(async (helper, privateKey) => {
+      donor = await privateKey({filename: __filename});
+      [alice] = await helper.arrange.createAccounts([100n], donor);
+    });
+  });
+
+  itEth('Can be reconfigured', async({helper}) => {
+    const caller = await helper.eth.createAccountWithBalance(donor);
     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});
+      const collection = await helper.nft.mintCollection(alice);
+      await collection.addAdmin(alice, {Ethereum: caller});
       
-      const address = collectionIdToAddress(collection);
-      const contract = new web3.eth.Contract(nonFungibleAbi as any, address, {from: caller, ...GAS_ARGS});
+      const address = helper.ethAddress.fromCollectionId(collection.collectionId);
+      const contract = helper.ethNativeContract.collection(address, 'nft', caller);
   
       await contract.methods.setTokenPropertyPermission('testKey', mutable, collectionAdmin, tokenOwner).send({from: caller});
   
-      const state = (await api.query.common.collectionPropertyPermissions(collection)).toJSON();
-      expect(state).to.be.deep.equal({
-        [web3.utils.toHex('testKey')]: {mutable, collectionAdmin, tokenOwner},
-      });
+      expect(await collection.getPropertyPermissions()).to.be.deep.equal([{
+        key: 'testKey',
+        permission: {mutable, collectionAdmin, tokenOwner},
+      }]);
     }
   });
-  itWeb3('Can be set', async({web3, api, privateKeyWrapper}) => {
-    const alice = privateKeyWrapper('//Alice');
-    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
-    const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});
-    const token = await createItemExpectSuccess(alice, collection, 'NFT');
 
-    await executeTransaction(api, alice, api.tx.unique.setTokenPropertyPermissions(collection, [{
+  itEth('Can be set', async({helper}) => {
+    const caller = await helper.eth.createAccountWithBalance(donor);
+    const collection = await helper.nft.mintCollection(alice);
+    const token = await collection.mintToken(alice);
+
+    await collection.setTokenPropertyPermissions(alice, [{
       key: 'testKey',
       permission: {
         collectionAdmin: true,
       },
-    }]));
+    }]);
 
-    await addCollectionAdminExpectSuccess(alice, collection, {Ethereum: caller});
+    await collection.addAdmin(alice, {Ethereum: caller});
 
-    const address = collectionIdToAddress(collection);
-    const contract = new web3.eth.Contract(nonFungibleAbi as any, address, {from: caller, ...GAS_ARGS});
+    const address = helper.ethAddress.fromCollectionId(collection.collectionId);
+    const contract = helper.ethNativeContract.collection(address, 'nft', caller);
 
-    await contract.methods.setProperty(token, 'testKey', Buffer.from('testValue')).send({from: caller});
+    await contract.methods.setProperty(token.tokenId, 'testKey', Buffer.from('testValue')).send({from: caller});
 
-    const [{value}] = (await api.rpc.unique.tokenProperties(collection, token, ['testKey'])).toHuman()! as any;
+    const [{value}] = await token.getProperties(['testKey']);
     expect(value).to.equal('testValue');
   });
-  itWeb3('Can be deleted', async({web3, api, privateKeyWrapper}) => {
-    const alice = privateKeyWrapper('//Alice');
-    const caller = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
-    const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});
-    const token = await createItemExpectSuccess(alice, collection, 'NFT');
 
-    await executeTransaction(api, alice, api.tx.unique.setTokenPropertyPermissions(collection, [{
+  itEth('Can be deleted', async({helper}) => {
+    const caller = await helper.eth.createAccountWithBalance(donor);
+    const collection = await helper.nft.mintCollection(alice);
+    const token = await collection.mintToken(alice);
+
+    await collection.setTokenPropertyPermissions(alice, [{
       key: 'testKey',
       permission: {
         mutable: true,
         collectionAdmin: true,
       },
-    }]));
-    await executeTransaction(api, alice, api.tx.unique.setTokenProperties(collection, token, [{key: 'testKey', value: 'testValue'}]));
+    }]);
+    await token.setProperties(alice, [{key: 'testKey', value: 'testValue'}]);
 
-    await addCollectionAdminExpectSuccess(alice, collection, {Ethereum: caller});
+    await collection.addAdmin(alice, {Ethereum: caller});
 
-    const address = collectionIdToAddress(collection);
-    const contract = new web3.eth.Contract(nonFungibleAbi as any, address, {from: caller, ...GAS_ARGS});
+    const address = helper.ethAddress.fromCollectionId(collection.collectionId);
+    const contract = helper.ethNativeContract.collection(address, 'nft', caller);
 
-    await contract.methods.deleteProperty(token, 'testKey').send({from: caller});
+    await contract.methods.deleteProperty(token.tokenId, 'testKey').send({from: caller});
 
-    const result = (await api.rpc.unique.tokenProperties(collection, token, ['testKey'])).toJSON()! as any;
+    const result = await token.getProperties(['testKey']);
     expect(result.length).to.equal(0);
   });
-  itWeb3('Can be read', async({web3, api, privateKeyWrapper}) => {
-    const alice = privateKeyWrapper('//Alice');
-    const caller = createEthAccount(web3);
-    const collection = await createCollectionExpectSuccess({mode: {type:'NFT'}});
-    const token = await createItemExpectSuccess(alice, collection, 'NFT');
 
-    await executeTransaction(api, alice, api.tx.unique.setTokenPropertyPermissions(collection, [{
+  itEth('Can be read', async({helper}) => {
+    const caller = helper.eth.createAccount();
+    const collection = await helper.nft.mintCollection(alice);
+    const token = await collection.mintToken(alice);
+
+    await collection.setTokenPropertyPermissions(alice, [{
       key: 'testKey',
       permission: {
         collectionAdmin: true,
       },
-    }]));
-    await executeTransaction(api, alice, api.tx.unique.setTokenProperties(collection, token, [{key: 'testKey', value: 'testValue'}]));
+    }]);
+    await token.setProperties(alice, [{key: 'testKey', value: 'testValue'}]);
 
-    const address = collectionIdToAddress(collection);
-    const contract = new web3.eth.Contract(nonFungibleAbi as any, address, {from: caller, ...GAS_ARGS});
+    const address = helper.ethAddress.fromCollectionId(collection.collectionId);
+    const contract = helper.ethNativeContract.collection(address, 'nft', caller);
 
-    const value = await contract.methods.property(token, 'testKey').call();
-    expect(value).to.equal(web3.utils.toHex('testValue'));
+    const value = await contract.methods.property(token.tokenId, 'testKey').call();
+    expect(value).to.equal(helper.getWeb3().utils.toHex('testValue'));
   });
 });
modifiedtests/src/eth/util/playgrounds/index.tsdiffbeforeafterboth
--- a/tests/src/eth/util/playgrounds/index.ts
+++ b/tests/src/eth/util/playgrounds/index.ts
@@ -1,6 +1,7 @@
 // Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
+import * as path from 'path';
 import {IKeyringPair} from '@polkadot/types/types';
 
 import config from '../../../config';
@@ -13,12 +14,13 @@
 import chai from 'chai';
 import chaiAsPromised from 'chai-as-promised';
 import chaiLike from 'chai-like';
-import {requirePalletsOrSkip} from '../../../util/playgrounds';
+import {getTestSeed, requirePalletsOrSkip} from '../../../util/playgrounds';
+
 chai.use(chaiAsPromised);
 chai.use(chaiLike);
 export const expect = chai.expect;
 
-export const usingEthPlaygrounds = async (code: (helper: EthUniqueHelper, privateKey: (seed: string) => IKeyringPair) => Promise<void>) => {
+export const usingEthPlaygrounds = async (code: (helper: EthUniqueHelper, privateKey: (seed: string | {filename: string}) => Promise<IKeyringPair>) => Promise<void>) => {
   const silentConsole = new SilentConsole();
   silentConsole.enable();
 
@@ -28,7 +30,20 @@
     await helper.connect(config.substrateUrl);
     await helper.connectWeb3(config.substrateUrl);
     const ss58Format = helper.chain.getChainProperties().ss58Format;
-    const privateKey = (seed: string) => helper.util.fromSeed(seed, ss58Format);
+    const privateKey = async (seed: string | {filename: string}) => {
+      if (typeof seed === 'string') {
+        return helper.util.fromSeed(seed, ss58Format);
+      }
+      else {
+        const actualSeed = getTestSeed(seed.filename);
+        let account = helper.util.fromSeed(actualSeed, ss58Format);
+        if (await helper.balance.getSubstrate(account.address) == 0n) {
+          console.warn(`${path.basename(seed.filename)}: Not enough funds present on the filename account. Using the default one as the donor instead.`);
+          account = helper.util.fromSeed('//Alice', ss58Format);
+        }
+        return account;
+      }
+    };
     await code(helper, privateKey);
   }
   finally {
@@ -38,7 +53,7 @@
   }
 };
   
-export async function itEth(name: string, cb: (apis: { helper: EthUniqueHelper, privateKey: (seed: string) => IKeyringPair }) => any, opts: { only?: boolean, skip?: boolean, requiredPallets?: string[] } = {}) {
+export async function itEth(name: string, cb: (apis: { helper: EthUniqueHelper, privateKey: (seed: string | {filename: string}) => Promise<IKeyringPair> }) => any, opts: { only?: boolean, skip?: boolean, requiredPallets?: string[] } = {}) {
   (opts.only ? it.only : 
     opts.skip ? it.skip : it)(name, async function() {
     await usingEthPlaygrounds(async (helper, privateKey) => {
@@ -51,13 +66,25 @@
   });
 }
 
-export async function itEthIfWithPallet(name: string, required: string[], cb: (apis: { helper: EthUniqueHelper, privateKey: (seed: string) => IKeyringPair }) => any, opts: { only?: boolean, skip?: boolean, requiredPallets?: string[] } = {}) {
+export async function itEthIfWithPallet(name: string, required: string[], cb: (apis: { helper: EthUniqueHelper, privateKey: (seed: string | {filename: string}) => Promise<IKeyringPair> }) => any, opts: { only?: boolean, skip?: boolean, requiredPallets?: string[] } = {}) {
   return itEth(name, cb, {requiredPallets: required, ...opts});
 }
 
-itEth.only = (name: string, cb: (apis: { helper: EthUniqueHelper, privateKey: (seed: string) => IKeyringPair }) => any) => itEth(name, cb, {only: true});
-itEth.skip = (name: string, cb: (apis: { helper: EthUniqueHelper, privateKey: (seed: string) => IKeyringPair }) => any) => itEth(name, cb, {skip: true});
+itEth.only = (name: string, cb: (apis: { helper: EthUniqueHelper, privateKey: (seed: string | {filename: string}) => Promise<IKeyringPair> }) => any) => itEth(name, cb, {only: true});
+itEth.skip = (name: string, cb: (apis: { helper: EthUniqueHelper, privateKey: (seed: string | {filename: string}) => Promise<IKeyringPair> }) => any) => itEth(name, cb, {skip: true});
 
-itEthIfWithPallet.only = (name: string, required: string[], cb: (apis: { helper: EthUniqueHelper, privateKey: (seed: string) => IKeyringPair }) => any) => itEthIfWithPallet(name, required, cb, {only: true});
-itEthIfWithPallet.skip = (name: string, required: string[], cb: (apis: { helper: EthUniqueHelper, privateKey: (seed: string) => IKeyringPair }) => any) => itEthIfWithPallet(name, required, cb, {skip: true});
+itEthIfWithPallet.only = (name: string, required: string[], cb: (apis: { helper: EthUniqueHelper, privateKey: (seed: string | {filename: string}) => Promise<IKeyringPair> }) => any) => itEthIfWithPallet(name, required, cb, {only: true});
+itEthIfWithPallet.skip = (name: string, required: string[], cb: (apis: { helper: EthUniqueHelper, privateKey: (seed: string | {filename: string}) => Promise<IKeyringPair> }) => any) => itEthIfWithPallet(name, required, cb, {skip: true});
 itEth.ifWithPallets = itEthIfWithPallet;
+
+type ElementOf<A> = A extends readonly (infer T)[] ? T : never;
+// I want a fancier api, not a memory efficiency
+export function* cartesian<T extends Array<Array<any>>, R extends Array<any>>(internalRest: [...R], ...args: [...T]): Generator<[...R, ...{[K in keyof T]: ElementOf<T[K]>}]> {
+  if(args.length === 0) {
+    yield internalRest as any;
+    return;
+  }
+  for(const value of args[0]) {
+    yield* cartesian([...internalRest, value], ...args.slice(1)) as any;
+  }
+}
modifiedtests/src/evmCoder.test.tsdiffbeforeafterboth
--- a/tests/src/evmCoder.test.ts
+++ b/tests/src/evmCoder.test.ts
@@ -92,7 +92,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (_helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
     });
   });
   
modifiedtests/src/fungible.test.tsdiffbeforeafterboth
--- a/tests/src/fungible.test.ts
+++ b/tests/src/fungible.test.ts
@@ -20,12 +20,13 @@
 const U128_MAX = (1n << 128n) - 1n;
 
 describe('integration test: Fungible functionality:', () => {
+  let donor: IKeyringPair;
   let alice: IKeyringPair;
   let bob: IKeyringPair;
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([100n, 10n], donor);
     });
   });
@@ -43,9 +44,9 @@
     expect(aliceBalance).to.be.equal(U128_MAX);
   });
   
-  itSub('RPC method tokenOnewrs for fungible collection and token', async ({helper, privateKey}) => {
+  itSub('RPC method tokenOnewrs for fungible collection and token', async ({helper}) => {
     const ethAcc = {Ethereum: '0x67fb3503a61b284dc83fa96dceec4192db47dc7c'};
-    const facelessCrowd = Array(7).fill(0).map((_, i) => ({Substrate: privateKey(`//Alice+${i}`).address}));
+    const facelessCrowd = (await helper.arrange.createAccounts(Array(7).fill(0n), donor)).map(keyring => {return {Substrate: keyring.address};});
 
     const collection = await helper.ft.mintCollection(alice, {name: 'test', description: 'test', tokenPrefix: 'test'});
 
@@ -64,7 +65,7 @@
     expect(owners).to.deep.include.members([{Substrate: alice.address}, ethAcc, {Substrate: bob.address}, ...facelessCrowd]);
     expect(owners.length).to.be.equal(10);
     
-    const eleven = privateKey('//ALice+11');
+    const [eleven] = await helper.arrange.createAccounts([0n], donor);
     expect(await collection.transfer(alice, {Substrate: eleven.address}, 10n)).to.be.true;
     expect((await collection.getTop10Owners()).length).to.be.equal(10);
   });
modifiedtests/src/getPropertiesRpc.test.tsdiffbeforeafterboth
--- a/tests/src/getPropertiesRpc.test.ts
+++ b/tests/src/getPropertiesRpc.test.ts
@@ -63,7 +63,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (_, privateKey) => {
-      alice = privateKey('//Alice');
+      alice = await privateKey({filename: __filename});
     });
   });
 
modifiedtests/src/inflation.test.tsdiffbeforeafterboth
--- a/tests/src/inflation.test.ts
+++ b/tests/src/inflation.test.ts
@@ -23,7 +23,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (_, privateKey) => {
-      superuser = privateKey('//Alice');
+      superuser = await privateKey('//Alice');
     });
   });
   
modifiedtests/src/limits.test.tsdiffbeforeafterboth
--- a/tests/src/limits.test.ts
+++ b/tests/src/limits.test.ts
@@ -22,7 +22,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([10n], donor);
     });
   });
@@ -60,7 +60,7 @@
     await usingPlaygrounds(async (helper, privateKey) => {
       requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);
 
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([10n], donor);
     });
   });
@@ -292,7 +292,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob, charlie] = await helper.arrange.createAccounts([10n, 10n, 10n], donor);
     });
   });
@@ -333,7 +333,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob, charlie] = await helper.arrange.createAccounts([10n, 10n, 10n], donor);
     });
   });
@@ -366,7 +366,7 @@
     await usingPlaygrounds(async (helper, privateKey) => {
       requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);
 
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob, charlie] = await helper.arrange.createAccounts([10n, 10n, 10n], donor);
     });
   });
@@ -404,7 +404,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([10n], donor);
     });
   });
modifiedtests/src/nesting/graphs.test.tsdiffbeforeafterboth
--- a/tests/src/nesting/graphs.test.ts
+++ b/tests/src/nesting/graphs.test.ts
@@ -45,7 +45,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([10n], donor);
     });
   });
modifiedtests/src/nesting/nest.test.tsdiffbeforeafterboth
--- a/tests/src/nesting/nest.test.ts
+++ b/tests/src/nesting/nest.test.ts
@@ -23,7 +23,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([50n, 10n], donor);
     });
   });
@@ -137,7 +137,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob, charlie] = await helper.arrange.createAccounts([50n, 10n, 10n], donor);
     });
   });
@@ -343,7 +343,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([100n, 50n], donor);
     });
   });
modifiedtests/src/nesting/properties.test.tsdiffbeforeafterboth
--- a/tests/src/nesting/properties.test.ts
+++ b/tests/src/nesting/properties.test.ts
@@ -26,7 +26,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([50n, 10n], donor);
     });
   });
@@ -141,7 +141,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([100n, 10n], donor);
     });
   });
@@ -269,7 +269,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([100n, 10n], donor);
     });
   });
@@ -332,7 +332,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([50n, 10n], donor);
     });
   });
@@ -453,7 +453,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);
     });
 
@@ -777,7 +777,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       let dave: IKeyringPair;
       [alice, bob, charlie, dave] = await helper.arrange.createAccounts([100n, 100n, 100n, 100n], donor);
 
@@ -977,7 +977,7 @@
     await usingPlaygrounds(async (helper, privateKey) => {
       requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);
 
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);
     });
   });
@@ -1002,7 +1002,7 @@
     ])).to.be.rejectedWith(/common\.NoPermission/);
   });
 
-  itSub('Forbids mutating token property with tokenOwher==true when signer doesn\'t have all pieces', async ({helper}) =>  {
+  itSub('Forbids mutating token property with tokenOwner==true when signer doesn\'t have all pieces', async ({helper}) =>  {
     const token = await prepare(helper);
 
     await expect(token.collection.setTokenPropertyPermissions(alice, [{key: 'fractals', permission: {mutable:true, tokenOwner: true}}]))
modifiedtests/src/nesting/unnest.test.tsdiffbeforeafterboth
--- a/tests/src/nesting/unnest.test.ts
+++ b/tests/src/nesting/unnest.test.ts
@@ -22,7 +22,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice] = await helper.arrange.createAccounts([50n], donor);
     });
   });
@@ -91,7 +91,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([50n, 10n], donor);
     });
   });
modifiedtests/src/nextSponsoring.test.tsdiffbeforeafterboth
--- a/tests/src/nextSponsoring.test.ts
+++ b/tests/src/nextSponsoring.test.ts
@@ -25,7 +25,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([20n, 10n], donor);
     });
   });
modifiedtests/src/refungible.test.tsdiffbeforeafterboth
--- a/tests/src/refungible.test.ts
+++ b/tests/src/refungible.test.ts
@@ -20,6 +20,7 @@
 const MAX_REFUNGIBLE_PIECES = 1_000_000_000_000_000_000_000n;
 
 describe('integration test: Refungible functionality:', async () => {
+  let donor: IKeyringPair;
   let alice: IKeyringPair;
   let bob: IKeyringPair;
 
@@ -27,7 +28,7 @@
     await usingPlaygrounds(async (helper, privateKey) => {
       requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);
 
-      const donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([100n, 10n], donor);
     });
   });
@@ -61,9 +62,9 @@
       .to.eventually.be.rejectedWith(/refungible\.WrongRefungiblePieces/);
   });
   
-  itSub('RPC method tokenOnewrs for refungible collection and token', async ({helper, privateKey}) => {
+  itSub('RPC method tokenOnewrs for refungible collection and token', async ({helper}) => {
     const ethAcc = {Ethereum: '0x67fb3503a61b284dc83fa96dceec4192db47dc7c'};
-    const facelessCrowd = Array(7).fill(0).map((_, i) => ({Substrate: privateKey(`//Alice+${i}`).address}));
+    const facelessCrowd = (await helper.arrange.createAccounts(Array(7).fill(0n), donor)).map(keyring => {return {Substrate: keyring.address};});
 
     const collection = await helper.rft.mintCollection(alice, {name: 'test', description: 'test', tokenPrefix: 'test'});
 
@@ -82,7 +83,7 @@
     expect(owners).to.deep.include.members([{Substrate: alice.address}, ethAcc, {Substrate: bob.address}, ...facelessCrowd]);
     expect(owners.length).to.be.equal(10);
     
-    const eleven = privateKey('//ALice+11');
+    const [eleven] = await helper.arrange.createAccounts([0n], donor);
     expect(await token.transfer(alice, {Substrate: eleven.address}, 10n)).to.be.true;
     expect((await token.getTop10Owners()).length).to.be.equal(10);
   });
modifiedtests/src/removeCollectionAdmin.test.tsdiffbeforeafterboth
--- a/tests/src/removeCollectionAdmin.test.ts
+++ b/tests/src/removeCollectionAdmin.test.ts
@@ -23,7 +23,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([20n, 10n], donor);
     });
   });
@@ -62,7 +62,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob, charlie] = await helper.arrange.createAccounts([20n, 10n, 10n], donor);
     });
   });
modifiedtests/src/removeCollectionSponsor.test.tsdiffbeforeafterboth
--- a/tests/src/removeCollectionSponsor.test.ts
+++ b/tests/src/removeCollectionSponsor.test.ts
@@ -24,7 +24,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([10n, 10n], donor);
     });
   });
@@ -78,7 +78,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob, charlie] = await helper.arrange.createAccounts([20n, 10n, 10n], donor);
     });
   });
modifiedtests/src/rpc.test.tsdiffbeforeafterboth
--- a/tests/src/rpc.test.ts
+++ b/tests/src/rpc.test.ts
@@ -25,7 +25,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([20n, 10n], donor);
     });
   });
modifiedtests/src/setCollectionLimits.test.tsdiffbeforeafterboth
--- a/tests/src/setCollectionLimits.test.ts
+++ b/tests/src/setCollectionLimits.test.ts
@@ -29,7 +29,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([20n, 10n], donor);
     });
   });
@@ -104,7 +104,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([20n, 10n], donor);
     });
   });
modifiedtests/src/setCollectionSponsor.test.tsdiffbeforeafterboth
--- a/tests/src/setCollectionSponsor.test.ts
+++ b/tests/src/setCollectionSponsor.test.ts
@@ -24,7 +24,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob, charlie] = await helper.arrange.createAccounts([20n, 10n, 10n], donor);
     });
   });
@@ -93,7 +93,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([10n, 5n], donor);
     });
   });
modifiedtests/src/setPermissions.test.tsdiffbeforeafterboth
--- a/tests/src/setPermissions.test.ts
+++ b/tests/src/setPermissions.test.ts
@@ -23,7 +23,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([10n, 10n], donor);
     });
   });
@@ -79,7 +79,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([10n, 10n], donor);
     });
   });
modifiedtests/src/transfer.test.tsdiffbeforeafterboth
--- a/tests/src/transfer.test.ts
+++ b/tests/src/transfer.test.ts
@@ -19,12 +19,13 @@
 import {itSub, Pallets, usingPlaygrounds, expect} from './util/playgrounds';
 
 describe('Integration Test Transfer(recipient, collection_id, item_id, value)', () => {
+  let donor: IKeyringPair;
   let alice: IKeyringPair;
   let bob: IKeyringPair;
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([50n, 10n], donor);
     });
   });
@@ -42,8 +43,7 @@
     expect(bobsBalanceAfter > bobsBalanceBefore).to.be.true;
   });
 
-  itSub('Inability to pay fees error message is correct', async ({helper, privateKey}) => {
-    const donor = privateKey('//Alice');
+  itSub('Inability to pay fees error message is correct', async ({helper}) => {
     const [zero] = await helper.arrange.createAccounts([0n], donor);
 
     // console.error = () => {};
@@ -117,7 +117,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob] = await helper.arrange.createAccounts([50n, 10n], donor);
     });
   });
@@ -256,7 +256,7 @@
 
   before(async function() {
     await usingEthPlaygrounds(async (_, privateKey) => {
-      donor = privateKey('//Alice');
+      donor = await privateKey({filename: __filename});
     });
   });
   
modifiedtests/src/transferFrom.test.tsdiffbeforeafterboth
--- a/tests/src/transferFrom.test.ts
+++ b/tests/src/transferFrom.test.ts
@@ -24,7 +24,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob, charlie] = await helper.arrange.createAccounts([20n, 10n, 10n], donor);
     });
   });
@@ -91,7 +91,7 @@
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
-      const donor = privateKey('//Alice');
+      const donor = await privateKey({filename: __filename});
       [alice, bob, charlie] = await helper.arrange.createAccounts([50n, 10n, 10n], donor);
     });
   });
addedtests/src/util/playgrounds/feedAlices.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/util/playgrounds/feedAlices.ts
@@ -0,0 +1,77 @@
+// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+import * as path from 'path';
+import {promises as fs} from 'fs';
+import {usingPlaygrounds} from '.';
+
+async function getFiles(rootPath: string): Promise<string[]> {
+  const files = await fs.readdir(rootPath, {withFileTypes: true});
+  const filenames: string[] = [];
+  for (const entry of files) {
+    const res = path.resolve(rootPath, entry.name);
+    if (entry.isDirectory()) {
+      filenames.push(...await getFiles(res));
+    } else {
+      filenames.push(res);
+    }
+  }
+  return filenames;
+}
+
+const fundFilenames = async () => {
+  await usingPlaygrounds(async (helper, privateKey) => {
+    const oneToken = helper.balance.getOneTokenNominal();
+    const alice = await privateKey('//Alice');
+    const nonce = await helper.chain.getNonce(alice.address);
+    const filenames = await getFiles(path.resolve(__dirname, '../..'));
+
+    console.log(`Main Alice address: ${alice.address}, with balance:`, await helper.balance.getSubstrate(alice.address));
+
+    const batchSize = 20;
+    let balanceGrantedCounter = 0;
+    for (let b = 0; b < filenames.length; b += batchSize) {
+      const tx = [];
+      let batchBalanceGrantedCounter = 0;
+      for (const f of filenames.slice(b, b + batchSize)) {
+        if (!f.endsWith('.test.ts')) continue;
+        const account = await privateKey({filename: f});
+        const aliceBalance = await helper.balance.getSubstrate(account.address);
+
+        if (aliceBalance < 5000n * oneToken) {
+          tx.push(helper.executeExtrinsic(
+            alice, 
+            'api.tx.balances.transfer',
+            [account.address, 10000n * oneToken],
+            true,
+            {nonce: nonce + balanceGrantedCounter++},
+          ).then(() => true).catch(() => {console.error(`Transaction to ${path.basename(f)} registered as failed. Strange.`); return false;}));
+          batchBalanceGrantedCounter++;
+        }
+      }
+
+      if(tx.length > 0) {
+        console.log(`Granting funds to ${batchBalanceGrantedCounter} filename accounts.`);
+        const result = await Promise.all(tx);
+        if (result && result.lastIndexOf(false) > -1) throw new Error('The transactions actually probably succeeded, should check the balances.');
+      }
+    }
+
+    if (balanceGrantedCounter == 0) console.log('No account needs additional funding.');
+  });
+};
+
+const fundFilenamesWithRetries = async (retriesLeft: number): Promise<boolean> => {
+  if (retriesLeft <= 0) return Promise.resolve(false);
+  return fundFilenames()
+    .then(() => Promise.resolve(true))
+    .catch(() => {
+      console.error(`Some transactions have failed. ${retriesLeft >= 1 ? 'Retrying...' : 'Something is wrong.'}`);
+      return fundFilenamesWithRetries(--retriesLeft);
+    });
+};
+
+fundFilenamesWithRetries(2).then((result) => process.exit(result ? 0 : 1)).catch(e => {
+  console.error(e);
+  process.exit(1);
+});
modifiedtests/src/util/playgrounds/index.tsdiffbeforeafterboth
--- a/tests/src/util/playgrounds/index.ts
+++ b/tests/src/util/playgrounds/index.ts
@@ -1,6 +1,8 @@
 // Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
 // SPDX-License-Identifier: Apache-2.0
 
+import * as path from 'path';
+import * as crypto from 'crypto';
 import {IKeyringPair} from '@polkadot/types/types';
 import chai from 'chai';
 import chaiAsPromised from 'chai-as-promised';
@@ -12,7 +14,16 @@
 chai.use(chaiAsPromised);
 export const expect = chai.expect;
 
-export const usingPlaygrounds = async (code: (helper: DevUniqueHelper, privateKey: (seed: string) => IKeyringPair) => Promise<void>, url: string = config.substrateUrl) => {
+const getTestHash = (filename: string) => {
+  return crypto.createHash('md5').update(path.basename(filename)).digest('hex');
+};
+
+export const getTestSeed = (filename: string) => {
+  return `//Alice+${getTestHash(filename)}`;
+};
+
+// todo:playgrounds normalize to seed and filename
+export const usingPlaygrounds = async (code: (helper: DevUniqueHelper, privateKey: (seed: string | {filename: string}) => Promise<IKeyringPair>) => Promise<void>, url: string = config.substrateUrl) => {
   const silentConsole = new SilentConsole();
   silentConsole.enable();
 
@@ -21,7 +32,20 @@
   try {
     await helper.connect(url);
     const ss58Format = helper.chain.getChainProperties().ss58Format;
-    const privateKey = (seed: string) => helper.util.fromSeed(seed, ss58Format);
+    const privateKey = async (seed: string | {filename: string}) => {
+      if (typeof seed === 'string') {
+        return helper.util.fromSeed(seed, ss58Format);
+      }
+      else {
+        const actualSeed = getTestSeed(seed.filename);
+        let account = helper.util.fromSeed(actualSeed, ss58Format);
+        if (await helper.balance.getSubstrate(account.address) == 0n) {
+          console.warn(`${path.basename(seed.filename)}: Not enough funds present on the filename account. Using the default one as the donor instead.`);
+          account = helper.util.fromSeed('//Alice', ss58Format);
+        }
+        return account;
+      }
+    };
     await code(helper, privateKey);
   }
   finally {
@@ -50,7 +74,7 @@
   }
 }
 
-export async function itSub(name: string, cb: (apis: { helper: DevUniqueHelper, privateKey: (seed: string) => IKeyringPair }) => any, opts: { only?: boolean, skip?: boolean, requiredPallets?: string[] } = {}) {
+export async function itSub(name: string, cb: (apis: { helper: DevUniqueHelper, privateKey: (seed: string) => Promise<IKeyringPair> }) => any, opts: { only?: boolean, skip?: boolean, requiredPallets?: string[] } = {}) {
   (opts.only ? it.only : 
     opts.skip ? it.skip : it)(name, async function () {
     await usingPlaygrounds(async (helper, privateKey) => {
@@ -62,12 +86,12 @@
     });
   });
 }
-export async function itSubIfWithPallet(name: string, required: string[], cb: (apis: { helper: DevUniqueHelper, privateKey: (seed: string) => IKeyringPair }) => any, opts: { only?: boolean, skip?: boolean, requiredPallets?: string[] } = {}) {
+export async function itSubIfWithPallet(name: string, required: string[], cb: (apis: { helper: DevUniqueHelper, privateKey: (seed: string) => Promise<IKeyringPair> }) => any, opts: { only?: boolean, skip?: boolean, requiredPallets?: string[] } = {}) {
   return itSub(name, cb, {requiredPallets: required, ...opts});
 }
-itSub.only = (name: string, cb: (apis: { helper: DevUniqueHelper, privateKey: (seed: string) => IKeyringPair }) => any) => itSub(name, cb, {only: true});
-itSub.skip = (name: string, cb: (apis: { helper: DevUniqueHelper, privateKey: (seed: string) => IKeyringPair }) => any) => itSub(name, cb, {skip: true});
+itSub.only = (name: string, cb: (apis: { helper: DevUniqueHelper, privateKey: (seed: string) => Promise<IKeyringPair> }) => any) => itSub(name, cb, {only: true});
+itSub.skip = (name: string, cb: (apis: { helper: DevUniqueHelper, privateKey: (seed: string) => Promise<IKeyringPair> }) => any) => itSub(name, cb, {skip: true});
 
-itSubIfWithPallet.only = (name: string, required: string[], cb: (apis: { helper: DevUniqueHelper, privateKey: (seed: string) => IKeyringPair }) => any) => itSubIfWithPallet(name, required, cb, {only: true});
-itSubIfWithPallet.skip = (name: string, required: string[], cb: (apis: { helper: DevUniqueHelper, privateKey: (seed: string) => IKeyringPair }) => any) => itSubIfWithPallet(name, required, cb, {skip: true});
+itSubIfWithPallet.only = (name: string, required: string[], cb: (apis: { helper: DevUniqueHelper, privateKey: (seed: string) => Promise<IKeyringPair> }) => any) => itSubIfWithPallet(name, required, cb, {only: true});
+itSubIfWithPallet.skip = (name: string, required: string[], cb: (apis: { helper: DevUniqueHelper, privateKey: (seed: string) => Promise<IKeyringPair> }) => any) => itSubIfWithPallet(name, required, cb, {skip: true});
 itSub.ifWithPallets = itSubIfWithPallet;