git.delta.rocks / unique-network / refs/commits / fc6e54132883

difftreelog

Merge pull request #565 from UniqueNetwork/tests/eth-playgrounds

ut-akuznetsov2022-09-05parents: #46ff423 #d561a49.patch.diff
in: master

15 files changed

modifiedtests/package.jsondiffbeforeafterboth
--- a/tests/package.json
+++ b/tests/package.json
@@ -30,6 +30,7 @@
     "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'",
+    "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",
@@ -79,7 +80,8 @@
     "testBlockProduction": "mocha --timeout 9999999 -r ts-node/register ./**/block-production.test.ts",
     "testEnableDisableTransfers": "mocha --timeout 9999999 -r ts-node/register ./**/enableDisableTransfer.test.ts",
     "testLimits": "mocha --timeout 9999999 -r ts-node/register ./**/limits.test.ts",
-    "testEthCreateCollection": "mocha --timeout 9999999 -r ts-node/register ./**/eth/createCollection.test.ts",
+    "testEthCreateNFTCollection": "mocha --timeout 9999999 -r ts-node/register ./**/eth/createNFTCollection.test.ts",
+    "testEthCreateRFTCollection": "mocha --timeout 9999999 -r ts-node/register ./**/eth/createRFTCollection.test.ts",
     "testRFT": "mocha --timeout 9999999 -r ts-node/register ./**/refungible.test.ts",
     "testFT": "mocha --timeout 9999999 -r ts-node/register ./**/fungible.test.ts",
     "testRPC": "mocha --timeout 9999999 -r ts-node/register ./**/rpc.test.ts",
modifiedtests/src/eth/collectionAdmin.test.tsdiffbeforeafterboth
--- a/tests/src/eth/collectionAdmin.test.ts
+++ b/tests/src/eth/collectionAdmin.test.ts
@@ -15,7 +15,7 @@
 
 import {expect} from 'chai';
 import privateKey from '../substrate/privateKey';
-import { UNIQUE } from '../util/helpers';
+import {UNIQUE} from '../util/helpers';
 import {
   createEthAccount,
   createEthAccountWithBalance, 
@@ -24,7 +24,6 @@
   getCollectionAddressFromResult, 
   itWeb3,
   recordEthFee,
-  subToEth,
 } from './util/helpers';
 
 describe('Add collection admins', () => {
@@ -37,7 +36,7 @@
       .send();
     const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);
 
-    const newAdmin = await createEthAccount(web3);
+    const newAdmin = createEthAccount(web3);
     const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
     await collectionEvm.methods.addCollectionAdmin(newAdmin).send();
     const adminList = await api.rpc.unique.adminlist(collectionId);
@@ -92,7 +91,7 @@
     const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
     await collectionEvm.methods.addCollectionAdmin(admin).send();
     
-    const user = await createEthAccount(web3);
+    const user = createEthAccount(web3);
     await expect(collectionEvm.methods.addCollectionAdmin(user).call({from: admin}))
       .to.be.rejectedWith('NoPermission');
 
@@ -114,7 +113,7 @@
     const notAdmin = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
     
-    const user = await createEthAccount(web3);
+    const user = createEthAccount(web3);
     await expect(collectionEvm.methods.addCollectionAdmin(user).call({from: notAdmin}))
       .to.be.rejectedWith('NoPermission');
 
@@ -175,7 +174,7 @@
       .send();
     const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);
 
-    const newAdmin = await createEthAccount(web3);
+    const newAdmin = createEthAccount(web3);
     const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
     await collectionEvm.methods.addCollectionAdmin(newAdmin).send();
     {
@@ -226,7 +225,7 @@
 
     const admin0 = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     await collectionEvm.methods.addCollectionAdmin(admin0).send();
-    const admin1 = await createEthAccount(web3);
+    const admin1 = createEthAccount(web3);
     await collectionEvm.methods.addCollectionAdmin(admin1).send();
 
     await expect(collectionEvm.methods.removeCollectionAdmin(admin1).call({from: admin0}))
@@ -253,7 +252,7 @@
 
     const admin = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     await collectionEvm.methods.addCollectionAdmin(admin).send();
-    const notAdmin = await createEthAccount(web3);
+    const notAdmin = createEthAccount(web3);
 
     await expect(collectionEvm.methods.removeCollectionAdmin(admin).call({from: notAdmin}))
       .to.be.rejectedWith('NoPermission');
modifiedtests/src/eth/collectionSponsoring.test.tsdiffbeforeafterboth
--- a/tests/src/eth/collectionSponsoring.test.ts
+++ b/tests/src/eth/collectionSponsoring.test.ts
@@ -1,5 +1,5 @@
 import {addToAllowListExpectSuccess, bigIntToSub, confirmSponsorshipExpectSuccess, createCollectionExpectSuccess, enablePublicMintingExpectSuccess, getDetailedCollectionInfo, setCollectionSponsorExpectSuccess} from '../util/helpers';
-import {itWeb3, createEthAccount, collectionIdToAddress, GAS_ARGS, normalizeEvents, createEthAccountWithBalance, evmCollectionHelpers, getCollectionAddressFromResult, evmCollection, ethBalanceViaSub, subToEth} from './util/helpers';
+import {itWeb3, createEthAccount, collectionIdToAddress, GAS_ARGS, normalizeEvents, createEthAccountWithBalance, evmCollectionHelpers, getCollectionAddressFromResult, evmCollection, ethBalanceViaSub} from './util/helpers';
 import nonFungibleAbi from './nonFungibleAbi.json';
 import {expect} from 'chai';
 import {evmToAddress} from '@polkadot/util-crypto';
modifiedtests/src/eth/createNFTCollection.test.tsdiffbeforeafterboth
--- a/tests/src/eth/createNFTCollection.test.ts
+++ b/tests/src/eth/createNFTCollection.test.ts
@@ -181,7 +181,7 @@
   });
   
   itWeb3('(!negative test!) Create collection (no funds)', async ({web3}) => {
-    const owner = await createEthAccount(web3);
+    const owner = createEthAccount(web3);
     const helper = evmCollectionHelpers(web3, owner);
     const collectionName = 'A';
     const description = 'A';
@@ -194,7 +194,7 @@
 
   itWeb3('(!negative test!) Check owner', async ({api, web3, privateKeyWrapper}) => {
     const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
-    const notOwner = await createEthAccount(web3);
+    const notOwner = createEthAccount(web3);
     const collectionHelpers = evmCollectionHelpers(web3, owner);
     const result = await collectionHelpers.methods.createNonfungibleCollection('A', 'A', 'A').send();
     const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);
modifiedtests/src/eth/createRFTCollection.test.tsdiffbeforeafterboth
--- a/tests/src/eth/createRFTCollection.test.ts
+++ b/tests/src/eth/createRFTCollection.test.ts
@@ -189,7 +189,7 @@
   });
   
   itWeb3('(!negative test!) Create collection (no funds)', async ({web3}) => {
-    const owner = await createEthAccount(web3);
+    const owner = createEthAccount(web3);
     const helper = evmCollectionHelpers(web3, owner);
     const collectionName = 'A';
     const description = 'A';
@@ -202,7 +202,7 @@
 
   itWeb3('(!negative test!) Check owner', async ({api, web3, privateKeyWrapper}) => {
     const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
-    const notOwner = await createEthAccount(web3);
+    const notOwner = createEthAccount(web3);
     const collectionHelpers = evmCollectionHelpers(web3, owner);
     const result = await collectionHelpers.methods.createRefungibleCollection('A', 'A', 'A').send();
     const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);
modifiedtests/src/eth/nesting/nest.test.tsdiffbeforeafterboth
before · tests/src/eth/nesting/nest.test.ts
1import {ApiPromise} from '@polkadot/api';2import {Contract} from 'web3-eth-contract';3import {expect} from 'chai';4import Web3 from 'web3';5import {createEthAccountWithBalance, evmCollectionHelpers, GAS_ARGS, getCollectionAddressFromResult, itWeb3, tokenIdToAddress} from '../../eth/util/helpers';6import nonFungibleAbi from '../nonFungibleAbi.json';78const createNestingCollection = async (9  api: ApiPromise,10  web3: Web3,11  owner: string,12): Promise<{ collectionId: number, collectionAddress: string, contract: Contract }> => {13  const collectionHelper = evmCollectionHelpers(web3, owner);14        15  const result = await collectionHelper.methods16    .createNonfungibleCollection('A', 'B', 'C')17    .send();18  const {collectionIdAddress: collectionAddress, collectionId} = await getCollectionAddressFromResult(api, result);1920  const contract = new web3.eth.Contract(nonFungibleAbi as any, collectionAddress, {from: owner, ...GAS_ARGS});21  await contract.methods.setCollectionNesting(true).send({from: owner});2223  return {collectionId, collectionAddress, contract};24};2526describe('Integration Test: EVM Nesting', () => {27  itWeb3('NFT: allows an Owner to nest/unnest their token', async ({api, web3, privateKeyWrapper}) => {28    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);29    const {collectionId, contract} = await createNestingCollection(api, web3, owner);3031    // Create a token to be nested32    const targetNFTTokenId = await contract.methods.nextTokenId().call();33    await contract.methods.mint(34      owner,35      targetNFTTokenId,36    ).send({from: owner});3738    const targetNftTokenAddress = tokenIdToAddress(collectionId, targetNFTTokenId);3940    // Create a nested token41    const firstTokenId = await contract.methods.nextTokenId().call();42    await contract.methods.mint(43      targetNftTokenAddress,44      firstTokenId,45    ).send({from: owner});4647    expect(await contract.methods.ownerOf(firstTokenId).call()).to.be.equal(targetNftTokenAddress);4849    // Create a token to be nested and nest50    const secondTokenId = await contract.methods.nextTokenId().call();51    await contract.methods.mint(52      owner,53      secondTokenId,54    ).send({from: owner});5556    await contract.methods.transfer(targetNftTokenAddress, secondTokenId).send({from: owner});5758    expect(await contract.methods.ownerOf(secondTokenId).call()).to.be.equal(targetNftTokenAddress);5960    // Unnest token back61    await contract.methods.transferFrom(targetNftTokenAddress, owner, secondTokenId).send({from: owner});62    expect(await contract.methods.ownerOf(secondTokenId).call()).to.be.equal(owner);63  });6465  itWeb3('NFT: allows an Owner to nest/unnest their token (Restricted nesting)', async ({api, web3, privateKeyWrapper}) => {66    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);6768    const {collectionId: collectionIdA, collectionAddress: collectionAddressA, contract: contractA} = await createNestingCollection(api, web3, owner);69    const {collectionAddress: collectionAddressB, contract: contractB} = await createNestingCollection(api, web3, owner);70    await contractA.methods.setCollectionNesting(true, [collectionAddressA, collectionAddressB]).send({from: owner});7172    // Create a token to nest into73    const targetNftTokenId = await contractA.methods.nextTokenId().call();74    await contractA.methods.mint(75      owner,76      targetNftTokenId,77    ).send({from: owner});78    const nftTokenAddressA1 = tokenIdToAddress(collectionIdA, targetNftTokenId);7980    // Create a token for nesting in the same collection as the target81    const nftTokenIdA = await contractA.methods.nextTokenId().call();82    await contractA.methods.mint(83      owner,84      nftTokenIdA,85    ).send({from: owner});8687    // Create a token for nesting in a different collection88    const nftTokenIdB = await contractB.methods.nextTokenId().call();89    await contractB.methods.mint(90      owner,91      nftTokenIdB,92    ).send({from: owner});9394    // Nest95    await contractA.methods.transfer(nftTokenAddressA1, nftTokenIdA).send({from: owner});96    expect(await contractA.methods.ownerOf(nftTokenIdA).call()).to.be.equal(nftTokenAddressA1);9798    await contractB.methods.transfer(nftTokenAddressA1, nftTokenIdB).send({from: owner});99    expect(await contractB.methods.ownerOf(nftTokenIdB).call()).to.be.equal(nftTokenAddressA1);100  });101});102103describe('Negative Test: EVM Nesting', async() => {104  itWeb3('NFT: disallows to nest token if nesting is disabled', async ({api, web3, privateKeyWrapper}) => {105    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);106107    const {collectionId, contract} = await createNestingCollection(api, web3, owner);108    await contract.methods.setCollectionNesting(false).send({from: owner});109110    // Create a token to nest into111    const targetNftTokenId = await contract.methods.nextTokenId().call();112    await contract.methods.mint(113      owner,114      targetNftTokenId,115    ).send({from: owner});116117    const targetNftTokenAddress = tokenIdToAddress(collectionId, targetNftTokenId);118119    // Create a token to nest120    const nftTokenId = await contract.methods.nextTokenId().call();121    await contract.methods.mint(122      owner,123      nftTokenId,124    ).send({from: owner});125126    // Try to nest127    await expect(contract.methods128      .transfer(targetNftTokenAddress, nftTokenId)129      .call({from: owner})).to.be.rejectedWith('UserIsNotAllowedToNest');130  });131132  itWeb3('NFT: disallows a non-Owner to nest someone else\'s token', async ({api, web3, privateKeyWrapper}) => {133    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);134    const malignant = await createEthAccountWithBalance(api, web3, privateKeyWrapper);135136    const {collectionId, contract} = await createNestingCollection(api, web3, owner);137138    // Mint a token139    const targetTokenId = await contract.methods.nextTokenId().call();140    await contract.methods.mint(141      owner,142      targetTokenId,143    ).send({from: owner});144    const targetTokenAddress = tokenIdToAddress(collectionId, targetTokenId);145146    // Mint a token belonging to a different account147    const tokenId = await contract.methods.nextTokenId().call();148    await contract.methods.mint(149      malignant,150      tokenId,151    ).send({from: owner});152153    // Try to nest one token in another as a non-owner account154    await expect(contract.methods155      .transfer(targetTokenAddress, tokenId)156      .call({from: malignant})).to.be.rejectedWith('UserIsNotAllowedToNest');157  });158159  itWeb3('NFT: disallows a non-Owner to nest someone else\'s token (Restricted nesting)', async ({api, web3, privateKeyWrapper}) => {160    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);161    const malignant = await createEthAccountWithBalance(api, web3, privateKeyWrapper);162163    const {collectionId: collectionIdA, collectionAddress: collectionAddressA, contract: contractA} = await createNestingCollection(api, web3, owner);164    const {collectionAddress: collectionAddressB, contract: contractB} = await createNestingCollection(api, web3, owner);165166    await contractA.methods.setCollectionNesting(true, [collectionAddressA, collectionAddressB]).send({from: owner});167168    // Create a token in one collection169    const nftTokenIdA = await contractA.methods.nextTokenId().call();170    await contractA.methods.mint(171      owner,172      nftTokenIdA,173    ).send({from: owner});174    const nftTokenAddressA = tokenIdToAddress(collectionIdA, nftTokenIdA);175176    // Create a token in another collection belonging to someone else177    const nftTokenIdB = await contractB.methods.nextTokenId().call();178    await contractB.methods.mint(179      malignant,180      nftTokenIdB,181    ).send({from: owner});182183    // Try to drag someone else's token into the other collection and nest184    await expect(contractB.methods185      .transfer(nftTokenAddressA, nftTokenIdB)186      .call({from: malignant})).to.be.rejectedWith('UserIsNotAllowedToNest');187  });188189  itWeb3('NFT: disallows to nest token in an unlisted collection', async ({api, web3, privateKeyWrapper}) => {190    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);191192    const {collectionId: collectionIdA, collectionAddress: collectionAddressA, contract: contractA} = await createNestingCollection(api, web3, owner);193    const {contract: contractB} = await createNestingCollection(api, web3, owner);194195    await contractA.methods.setCollectionNesting(true, [collectionAddressA]).send({from: owner});196197    // Create a token in one collection198    const nftTokenIdA = await contractA.methods.nextTokenId().call();199    await contractA.methods.mint(200      owner,201      nftTokenIdA,202    ).send({from: owner});203    const nftTokenAddressA = tokenIdToAddress(collectionIdA, nftTokenIdA);204205    // Create a token in another collection206    const nftTokenIdB = await contractB.methods.nextTokenId().call();207    await contractB.methods.mint(208      owner,209      nftTokenIdB,210    ).send({from: owner});211212    // Try to nest into a token in the other collection, disallowed in the first213    await expect(contractB.methods214      .transfer(nftTokenAddressA, nftTokenIdB)215      .call()).to.be.rejectedWith('SourceCollectionIsNotAllowedToNest');216  });217});
after · tests/src/eth/nesting/nest.test.ts
1import {IKeyringPair} from '@polkadot/types/types';2import {Contract} from 'web3-eth-contract';34import {itEth, EthUniqueHelper, usingEthPlaygrounds, expect} from '../util/playgrounds';56const createNestingCollection = async (7  helper: EthUniqueHelper,8  owner: string,9): Promise<{ collectionId: number, collectionAddress: string, contract: Contract }> => {10  const {collectionAddress, collectionId} = await helper.eth.createNonfungibleCollection(owner, 'A', 'B', 'C');1112  const contract = helper.ethNativeContract.collection(collectionAddress, 'nft', owner);13  await contract.methods.setCollectionNesting(true).send({from: owner});1415  return {collectionId, collectionAddress, contract};16};171819describe('EVM nesting tests group', () => {20  let donor: IKeyringPair;2122  before(async function() {23    await usingEthPlaygrounds(async (helper, privateKey) => {24      donor = privateKey('//Alice');25    });26  });2728  describe('Integration Test: EVM Nesting', () => {29    itEth('NFT: allows an Owner to nest/unnest their token', async ({helper}) => {30      const owner = await helper.eth.createAccountWithBalance(donor);31      const {collectionId, contract} = await createNestingCollection(helper, owner);32  33      // Create a token to be nested34      const targetNFTTokenId = await contract.methods.nextTokenId().call();35      await contract.methods.mint(36        owner,37        targetNFTTokenId,38      ).send({from: owner});39  40      const targetNftTokenAddress = helper.ethAddress.fromTokenId(collectionId, targetNFTTokenId);41  42      // Create a nested token43      const firstTokenId = await contract.methods.nextTokenId().call();44      await contract.methods.mint(45        targetNftTokenAddress,46        firstTokenId,47      ).send({from: owner});48  49      expect(await contract.methods.ownerOf(firstTokenId).call()).to.be.equal(targetNftTokenAddress);50  51      // Create a token to be nested and nest52      const secondTokenId = await contract.methods.nextTokenId().call();53      await contract.methods.mint(54        owner,55        secondTokenId,56      ).send({from: owner});57  58      await contract.methods.transfer(targetNftTokenAddress, secondTokenId).send({from: owner});59  60      expect(await contract.methods.ownerOf(secondTokenId).call()).to.be.equal(targetNftTokenAddress);61  62      // Unnest token back63      await contract.methods.transferFrom(targetNftTokenAddress, owner, secondTokenId).send({from: owner});64      expect(await contract.methods.ownerOf(secondTokenId).call()).to.be.equal(owner);65    });66  67    itEth('NFT: allows an Owner to nest/unnest their token (Restricted nesting)', async ({helper}) => {68      const owner = await helper.eth.createAccountWithBalance(donor);69  70      const {collectionId: collectionIdA, collectionAddress: collectionAddressA, contract: contractA} = await createNestingCollection(helper, owner);71      const {collectionAddress: collectionAddressB, contract: contractB} = await createNestingCollection(helper, owner);72      await contractA.methods.setCollectionNesting(true, [collectionAddressA, collectionAddressB]).send({from: owner});73  74      // Create a token to nest into75      const targetNftTokenId = await contractA.methods.nextTokenId().call();76      await contractA.methods.mint(77        owner,78        targetNftTokenId,79      ).send({from: owner});80      const nftTokenAddressA1 = helper.ethAddress.fromTokenId(collectionIdA, targetNftTokenId);81  82      // Create a token for nesting in the same collection as the target83      const nftTokenIdA = await contractA.methods.nextTokenId().call();84      await contractA.methods.mint(85        owner,86        nftTokenIdA,87      ).send({from: owner});88  89      // Create a token for nesting in a different collection90      const nftTokenIdB = await contractB.methods.nextTokenId().call();91      await contractB.methods.mint(92        owner,93        nftTokenIdB,94      ).send({from: owner});95  96      // Nest97      await contractA.methods.transfer(nftTokenAddressA1, nftTokenIdA).send({from: owner});98      expect(await contractA.methods.ownerOf(nftTokenIdA).call()).to.be.equal(nftTokenAddressA1);99  100      await contractB.methods.transfer(nftTokenAddressA1, nftTokenIdB).send({from: owner});101      expect(await contractB.methods.ownerOf(nftTokenIdB).call()).to.be.equal(nftTokenAddressA1);102    });103  });104105  describe('Negative Test: EVM Nesting', async() => {106    itEth('NFT: disallows to nest token if nesting is disabled', async ({helper}) => {107      const owner = await helper.eth.createAccountWithBalance(donor);108  109      const {collectionId, contract} = await createNestingCollection(helper, owner);110      await contract.methods.setCollectionNesting(false).send({from: owner});111  112      // Create a token to nest into113      const targetNftTokenId = await contract.methods.nextTokenId().call();114      await contract.methods.mint(115        owner,116        targetNftTokenId,117      ).send({from: owner});118  119      const targetNftTokenAddress = helper.ethAddress.fromTokenId(collectionId, targetNftTokenId);120  121      // Create a token to nest122      const nftTokenId = await contract.methods.nextTokenId().call();123      await contract.methods.mint(124        owner,125        nftTokenId,126      ).send({from: owner});127  128      // Try to nest129      await expect(contract.methods130        .transfer(targetNftTokenAddress, nftTokenId)131        .call({from: owner})).to.be.rejectedWith('UserIsNotAllowedToNest');132    });133  134    itEth('NFT: disallows a non-Owner to nest someone else\'s token', async ({helper}) => {135      const owner = await helper.eth.createAccountWithBalance(donor);136      const malignant = await helper.eth.createAccountWithBalance(donor);137  138      const {collectionId, contract} = await createNestingCollection(helper, owner);139  140      // Mint a token141      const targetTokenId = await contract.methods.nextTokenId().call();142      await contract.methods.mint(143        owner,144        targetTokenId,145      ).send({from: owner});146      const targetTokenAddress = helper.ethAddress.fromTokenId(collectionId, targetTokenId);147  148      // Mint a token belonging to a different account149      const tokenId = await contract.methods.nextTokenId().call();150      await contract.methods.mint(151        malignant,152        tokenId,153      ).send({from: owner});154  155      // Try to nest one token in another as a non-owner account156      await expect(contract.methods157        .transfer(targetTokenAddress, tokenId)158        .call({from: malignant})).to.be.rejectedWith('UserIsNotAllowedToNest');159    });160  161    itEth('NFT: disallows a non-Owner to nest someone else\'s token (Restricted nesting)', async ({helper}) => {162      const owner = await helper.eth.createAccountWithBalance(donor);163      const malignant = await helper.eth.createAccountWithBalance(donor);164  165      const {collectionId: collectionIdA, collectionAddress: collectionAddressA, contract: contractA} = await createNestingCollection(helper, owner);166      const {collectionAddress: collectionAddressB, contract: contractB} = await createNestingCollection(helper, owner);167  168      await contractA.methods.setCollectionNesting(true, [collectionAddressA, collectionAddressB]).send({from: owner});169  170      // Create a token in one collection171      const nftTokenIdA = await contractA.methods.nextTokenId().call();172      await contractA.methods.mint(173        owner,174        nftTokenIdA,175      ).send({from: owner});176      const nftTokenAddressA = helper.ethAddress.fromTokenId(collectionIdA, nftTokenIdA);177  178      // Create a token in another collection belonging to someone else179      const nftTokenIdB = await contractB.methods.nextTokenId().call();180      await contractB.methods.mint(181        malignant,182        nftTokenIdB,183      ).send({from: owner});184  185      // Try to drag someone else's token into the other collection and nest186      await expect(contractB.methods187        .transfer(nftTokenAddressA, nftTokenIdB)188        .call({from: malignant})).to.be.rejectedWith('UserIsNotAllowedToNest');189    });190  191    itEth('NFT: disallows to nest token in an unlisted collection', async ({helper}) => {192      const owner = await helper.eth.createAccountWithBalance(donor);193  194      const {collectionId: collectionIdA, collectionAddress: collectionAddressA, contract: contractA} = await createNestingCollection(helper, owner);195      const {contract: contractB} = await createNestingCollection(helper, owner);196  197      await contractA.methods.setCollectionNesting(true, [collectionAddressA]).send({from: owner});198  199      // Create a token in one collection200      const nftTokenIdA = await contractA.methods.nextTokenId().call();201      await contractA.methods.mint(202        owner,203        nftTokenIdA,204      ).send({from: owner});205      const nftTokenAddressA = helper.ethAddress.fromTokenId(collectionIdA, nftTokenIdA);206  207      // Create a token in another collection208      const nftTokenIdB = await contractB.methods.nextTokenId().call();209      await contractB.methods.mint(210        owner,211        nftTokenIdB,212      ).send({from: owner});213  214      // Try to nest into a token in the other collection, disallowed in the first215      await expect(contractB.methods216        .transfer(nftTokenAddressA, nftTokenIdB)217        .call()).to.be.rejectedWith('SourceCollectionIsNotAllowedToNest');218    });219  });220});
modifiedtests/src/eth/payable.test.tsdiffbeforeafterboth
--- a/tests/src/eth/payable.test.ts
+++ b/tests/src/eth/payable.test.ts
@@ -14,97 +14,91 @@
 // 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 {expect} from 'chai';
-import {submitTransactionAsync} from '../substrate/substrate-api';
-import {createEthAccountWithBalance, deployCollector, GAS_ARGS, itWeb3, subToEth, transferBalanceToEth} from './util/helpers';
-import {evmToAddress} from '@polkadot/util-crypto';
-import {getGenericResult, UNIQUE} from '../util/helpers';
-import {getBalanceSingle, transferBalanceExpectSuccess} from '../substrate/get-balance';
+import {IKeyringPair} from '@polkadot/types/types';
+
+import {itEth, expect, usingEthPlaygrounds} from './util/playgrounds';
 
 describe('EVM payable contracts', () => {
-  itWeb3('Evm contract can receive wei from eth account', async ({api, web3, privateKeyWrapper}) => {
-    const deployer = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
-    const contract = await deployCollector(web3, deployer);
+  let donor: IKeyringPair;
 
-    await web3.eth.sendTransaction({from: deployer, to: contract.options.address, value: '10000', ...GAS_ARGS});
+  before(async function() {
+    await usingEthPlaygrounds(async (helper, privateKey) => {
+      donor = privateKey('//Alice');
+    });
+  });
+
+  itEth('Evm contract can receive wei from eth account', async ({helper}) => {
+    const deployer = await helper.eth.createAccountWithBalance(donor);
+    const contract = await helper.eth.deployCollectorContract(deployer);
+
+    const web3 = helper.getWeb3();
+
+    await web3.eth.sendTransaction({from: deployer, to: contract.options.address, value: '10000', gas: helper.eth.DEFAULT_GAS});
 
     expect(await contract.methods.getCollected().call()).to.be.equal('10000');
   });
 
-  itWeb3('Evm contract can receive wei from substrate account', async ({api, web3, privateKeyWrapper}) => {
-    const deployer = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
-    const contract = await deployCollector(web3, deployer);
-    const alice = privateKeyWrapper('//Alice');
+  itEth('Evm contract can receive wei from substrate account', async ({helper}) => {
+    const deployer = await helper.eth.createAccountWithBalance(donor);
+    const contract = await helper.eth.deployCollectorContract(deployer);
+    const [alice] = await helper.arrange.createAccounts([10n], donor);
+
+    const weiCount = '10000';
 
     // Transaction fee/value will be payed from subToEth(sender) evm balance,
     // which is backed by evmToAddress(subToEth(sender)) substrate balance
-    await transferBalanceToEth(api, alice, subToEth(alice.address));
+    await helper.eth.transferBalanceFromSubstrate(alice, helper.address.substrateToEth(alice.address), 5n);
+
 
-    {
-      const tx = api.tx.evm.call(
-        subToEth(alice.address),
-        contract.options.address,
-        contract.methods.giveMoney().encodeABI(),
-        '10000',
-        GAS_ARGS.gas,
-        await web3.eth.getGasPrice(),
-        null,
-        null,
-        [],
-      );
-      const events = await submitTransactionAsync(alice, tx);
-      const result = getGenericResult(events);
-      expect(result.success).to.be.true;
-    }
+    await helper.eth.callEVM(alice, contract.options.address, contract.methods.giveMoney().encodeABI(), weiCount);
 
-    expect(await contract.methods.getCollected().call()).to.be.equal('10000');
+    expect(await contract.methods.getCollected().call()).to.be.equal(weiCount);
   });
 
   // We can't handle sending balance to backing storage of evm balance, because evmToAddress operation is irreversible
-  itWeb3('Wei sent directly to backing storage of evm contract balance is unaccounted', async({api, web3, privateKeyWrapper}) => {
-    const deployer = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
-    const contract = await deployCollector(web3, deployer);
-    const alice = privateKeyWrapper('//Alice');
+  itEth('Wei sent directly to backing storage of evm contract balance is unaccounted', async({helper}) => {
+    const deployer = await helper.eth.createAccountWithBalance(donor);
+    const contract = await helper.eth.deployCollectorContract(deployer);
+    const [alice] = await helper.arrange.createAccounts([10n], donor);
+
+    const weiCount = 10_000n;
 
-    await transferBalanceExpectSuccess(api, alice, evmToAddress(contract.options.address), '10000');
+    await helper.eth.transferBalanceFromSubstrate(alice, contract.options.address, weiCount, false);
 
-    expect(await contract.methods.getUnaccounted().call()).to.be.equal('10000');
+    expect(await contract.methods.getUnaccounted().call()).to.be.equal(weiCount.toString());
   });
 
-  itWeb3('Balance can be retrieved from evm contract', async({api, web3, privateKeyWrapper}) => {
-    const FEE_BALANCE = 1000n * UNIQUE;
-    const CONTRACT_BALANCE = 1n * UNIQUE;
+  itEth('Balance can be retrieved from evm contract', async({helper, privateKey}) => {
+    const FEE_BALANCE = 10n * helper.balance.getOneTokenNominal();
+    const CONTRACT_BALANCE = 1n * helper.balance.getOneTokenNominal();
+
+    const deployer = await helper.eth.createAccountWithBalance(donor);
+    const contract = await helper.eth.deployCollectorContract(deployer);
+    const [alice] = await helper.arrange.createAccounts([20n], donor);
 
-    const deployer = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
-    const contract = await deployCollector(web3, deployer);
-    const alice = privateKeyWrapper('//Alice');
+    const web3 = helper.getWeb3();
 
-    await web3.eth.sendTransaction({from: deployer, to: contract.options.address, value: CONTRACT_BALANCE.toString(), ...GAS_ARGS});
+    await web3.eth.sendTransaction({from: deployer, to: contract.options.address, value: CONTRACT_BALANCE.toString(), gas: helper.eth.DEFAULT_GAS});
 
-    const receiver = privateKeyWrapper(`//Receiver${Date.now()}`);
+    const receiver = privateKey(`//Receiver${Date.now()}`);
 
     // First receive balance on eth balance of bob
     {
-      const ethReceiver = subToEth(receiver.address);
+      const ethReceiver = helper.address.substrateToEth(receiver.address);
       expect(await web3.eth.getBalance(ethReceiver)).to.be.equal('0');
       await contract.methods.withdraw(ethReceiver).send({from: deployer});
       expect(await web3.eth.getBalance(ethReceiver)).to.be.equal(CONTRACT_BALANCE.toString());
     }
 
     // Some balance is required to pay fee for evm.withdraw call
-    await transferBalanceExpectSuccess(api, alice, receiver.address, FEE_BALANCE.toString());
+    await helper.balance.transferToSubstrate(alice, receiver.address, FEE_BALANCE);
+    // await transferBalanceExpectSuccess(api, alice, receiver.address, FEE_BALANCE.toString());
 
     // Withdraw balance from eth to substrate
     {
-      const initialReceiverBalance = await getBalanceSingle(api, receiver.address);
-      const tx = api.tx.evm.withdraw(
-        subToEth(receiver.address),
-        CONTRACT_BALANCE.toString(),
-      );
-      const events = await submitTransactionAsync(receiver, tx);
-      const result = getGenericResult(events);
-      expect(result.success).to.be.true;
-      const finalReceiverBalance = await getBalanceSingle(api, receiver.address);
+      const initialReceiverBalance = await helper.balance.getSubstrate(receiver.address);
+      await helper.executeExtrinsic(receiver, 'api.tx.evm.withdraw', [helper.address.substrateToEth(receiver.address), CONTRACT_BALANCE.toString()], true);
+      const finalReceiverBalance = await helper.balance.getSubstrate(receiver.address);
 
       expect(finalReceiverBalance > initialReceiverBalance).to.be.true;
     }
modifiedtests/src/eth/reFungibleToken.test.tsdiffbeforeafterboth
--- a/tests/src/eth/reFungibleToken.test.ts
+++ b/tests/src/eth/reFungibleToken.test.ts
@@ -15,7 +15,7 @@
 // along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
 
 import {approve, createCollection, createRefungibleToken, transfer, transferFrom, UNIQUE, requirePallets, Pallets} from '../util/helpers';
-import {collectionIdFromAddress, collectionIdToAddress, createEthAccount, createEthAccountWithBalance, createNonfungibleCollection, createRefungibleCollection, evmCollection, evmCollectionHelpers, getCollectionAddressFromResult, itWeb3, normalizeEvents, recordEthFee, recordEvents, subToEth, tokenIdToAddress, transferBalanceToEth, uniqueNFT, uniqueRefungible, uniqueRefungibleToken} from './util/helpers';
+import {collectionIdToAddress, createEthAccount, createEthAccountWithBalance, createRefungibleCollection, evmCollection, evmCollectionHelpers, getCollectionAddressFromResult, itWeb3, normalizeEvents, recordEthFee, recordEvents, subToEth, tokenIdToAddress, transferBalanceToEth, uniqueRefungible, uniqueRefungibleToken} from './util/helpers';
 
 import chai from 'chai';
 import chaiAsPromised from 'chai-as-promised';
addedtests/src/eth/util/playgrounds/index.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/eth/util/playgrounds/index.ts
@@ -0,0 +1,49 @@
+// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+import {IKeyringPair} from '@polkadot/types/types';
+
+import config from '../../../config';
+
+import {EthUniqueHelper} from './unique.dev';
+import {SilentLogger, SilentConsole} from '../../../util/playgrounds/unique.dev';
+
+export {EthUniqueHelper} from './unique.dev';
+
+import chai from 'chai';
+import chaiAsPromised from 'chai-as-promised';
+chai.use(chaiAsPromised);
+export const expect = chai.expect;
+
+export const usingEthPlaygrounds = async (code: (helper: EthUniqueHelper, privateKey: (seed: string) => IKeyringPair) => Promise<void>) => {
+  const silentConsole = new SilentConsole();
+  silentConsole.enable();
+
+  const helper = new EthUniqueHelper(new SilentLogger());
+
+  try {
+    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);
+    await code(helper, privateKey);
+  }
+  finally {
+    await helper.disconnect();
+    await helper.disconnectWeb3();
+    silentConsole.disable();
+  }
+};
+  
+export async function itEth(name: string, cb: (apis: { helper: EthUniqueHelper, privateKey: (seed: string) => IKeyringPair }) => any, opts: { only?: boolean, skip?: boolean } = {}) {
+  let i: any = it;
+  if (opts.only) i = i.only;
+  else if (opts.skip) i = i.skip;
+  i(name, async () => {
+    await usingEthPlaygrounds(async (helper, privateKey) => {
+      await cb({helper, privateKey});
+    });
+  });
+}
+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});
\ No newline at end of file
addedtests/src/eth/util/playgrounds/types.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/eth/util/playgrounds/types.ts
@@ -0,0 +1,9 @@
+export interface ContractImports {
+  solPath: string;
+  fsPath: string;
+}
+
+export interface CompiledContract {
+  abi: any;
+  object: string;
+}
\ No newline at end of file
addedtests/src/eth/util/playgrounds/unique.dev.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/eth/util/playgrounds/unique.dev.ts
@@ -0,0 +1,268 @@
+// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+/* eslint-disable function-call-argument-newline */
+
+import {readFile} from 'fs/promises';
+
+import Web3 from 'web3';
+import {WebsocketProvider} from 'web3-core';
+import {Contract} from 'web3-eth-contract';
+
+import * as solc from 'solc';
+
+import {evmToAddress} from '@polkadot/util-crypto';
+import {IKeyringPair} from '@polkadot/types/types';
+
+import {DevUniqueHelper} from '../../../util/playgrounds/unique.dev';
+
+import {ContractImports, CompiledContract} from './types';
+
+// Native contracts ABI
+import collectionHelpersAbi from '../../collectionHelpersAbi.json';
+import fungibleAbi from '../../fungibleAbi.json';
+import nonFungibleAbi from '../../nonFungibleAbi.json';
+import refungibleAbi from '../../reFungibleAbi.json';
+import refungibleTokenAbi from '../../reFungibleTokenAbi.json';
+import contractHelpersAbi from './../contractHelpersAbi.json';
+
+class EthGroupBase {
+  helper: EthUniqueHelper;
+
+  constructor(helper: EthUniqueHelper) {
+    this.helper = helper;
+  }
+}
+
+
+class ContractGroup extends EthGroupBase {
+  async findImports(imports?: ContractImports[]){
+    if(!imports) return function(path: string) {
+      return {error: `File not found: ${path}`};
+    };
+  
+    const knownImports = {} as any;
+    for(const imp of imports) {
+      knownImports[imp.solPath] = (await readFile(imp.fsPath)).toString();
+    }
+  
+    return function(path: string) {
+      if(knownImports.hasOwnPropertyDescriptor(path)) return {contents: knownImports[path]};
+      return {error: `File not found: ${path}`};
+    };
+  }
+
+  async compile(name: string, src: string, imports?: ContractImports[]): Promise<CompiledContract> {
+    const out = JSON.parse(solc.compile(JSON.stringify({
+      language: 'Solidity',
+      sources: {
+        [`${name}.sol`]: {
+          content: src,
+        },
+      },
+      settings: {
+        outputSelection: {
+          '*': {
+            '*': ['*'],
+          },
+        },
+      },
+    }), {import: await this.findImports(imports)})).contracts[`${name}.sol`][name];
+  
+    return {
+      abi: out.abi,
+      object: '0x' + out.evm.bytecode.object,
+    };
+  }
+
+  async deployByCode(signer: string, name: string, src: string, imports?: ContractImports[]): Promise<Contract> {
+    const compiledContract = await this.compile(name, src, imports);
+    return this.deployByAbi(signer, compiledContract.abi, compiledContract.object);
+  }
+
+  async deployByAbi(signer: string, abi: any, object: string): Promise<Contract> {
+    const web3 = this.helper.getWeb3();
+    const contract = new web3.eth.Contract(abi, undefined, {
+      data: object,
+      from: signer,
+      gas: this.helper.eth.DEFAULT_GAS,
+    });
+    return await contract.deploy({data: object}).send({from: signer});
+  }
+
+}
+  
+class NativeContractGroup extends EthGroupBase {
+
+  contractHelpers(caller: string): Contract {
+    const web3 = this.helper.getWeb3();
+    return new web3.eth.Contract(contractHelpersAbi as any, '0x842899ECF380553E8a4de75bF534cdf6fBF64049', {from: caller, gas: this.helper.eth.DEFAULT_GAS});
+  }
+
+  collectionHelpers(caller: string) {
+    const web3 = this.helper.getWeb3();
+    return new web3.eth.Contract(collectionHelpersAbi as any, '0x6c4e9fe1ae37a41e93cee429e8e1881abdcbb54f', {from: caller, gas: this.helper.eth.DEFAULT_GAS});
+  }
+
+  collection(address: string, mode: 'nft' | 'rft' | 'ft', caller?: string): Contract {
+    const abi = {
+      'nft': nonFungibleAbi,
+      'rft': refungibleAbi,
+      'ft': fungibleAbi,
+    }[mode];
+    const web3 = this.helper.getWeb3();
+    return new web3.eth.Contract(abi as any, address, {gas: this.helper.eth.DEFAULT_GAS, ...(caller ? {from: caller} : {})});
+  }
+
+  rftTokenByAddress(address: string, caller?: string): Contract {
+    const web3 = this.helper.getWeb3();
+    return new web3.eth.Contract(refungibleTokenAbi as any, address, {gas: this.helper.eth.DEFAULT_GAS, ...(caller ? {from: caller} : {})});
+  }
+
+  rftToken(collectionId: number, tokenId: number, caller?: string): Contract {
+    return this.rftTokenByAddress(this.helper.ethAddress.fromTokenId(collectionId, tokenId), caller);
+  }
+}
+
+  
+class EthGroup extends EthGroupBase {
+  DEFAULT_GAS = 2_500_000;
+
+  createAccount() {
+    const web3 = this.helper.getWeb3();
+    const account = web3.eth.accounts.create();
+    web3.eth.accounts.wallet.add(account.privateKey);
+    return account.address;
+  }
+
+  async createAccountWithBalance(donor: IKeyringPair, amount=1000n) {
+    const account = this.createAccount();
+    await this.transferBalanceFromSubstrate(donor, account, amount);
+  
+    return account;
+  }
+
+  async transferBalanceFromSubstrate(donor: IKeyringPair, recepient: string, amount=1000n, inTokens=true) {
+    return await this.helper.balance.transferToSubstrate(donor, evmToAddress(recepient), amount * (inTokens ? this.helper.balance.getOneTokenNominal() : 1n));
+  }
+
+  async callEVM(signer: IKeyringPair, contractAddress: string, abi: any, value: string, gasLimit?: number) {
+    if(!gasLimit) gasLimit = this.DEFAULT_GAS;
+    const web3 = this.helper.getWeb3();
+    const gasPrice = await web3.eth.getGasPrice();
+    // TODO: check execution status
+    await this.helper.executeExtrinsic(
+      signer,
+      'api.tx.evm.call', [this.helper.address.substrateToEth(signer.address), contractAddress, abi, value, gasLimit, gasPrice, null, null, []],
+      true,
+    );
+  }
+
+  async createNonfungibleCollection(signer: string, name: string, description: string, tokenPrefix: string): Promise<{collectionId: number, collectionAddress: string}> {
+    const collectionHelper = this.helper.ethNativeContract.collectionHelpers(signer);
+        
+    const result = await collectionHelper.methods.createNonfungibleCollection(name, description, tokenPrefix).send();
+
+    const collectionAddress = this.helper.ethAddress.normalizeAddress(result.events.CollectionCreated.returnValues.collectionId);
+    const collectionId = this.helper.ethAddress.extractCollectionId(collectionAddress);
+
+    return {collectionId, collectionAddress};
+  }
+
+  async deployCollectorContract(signer: string): Promise<Contract> {
+    return await this.helper.ethContract.deployByCode(signer, 'Collector', `
+    // SPDX-License-Identifier: UNLICENSED
+    pragma solidity ^0.8.6;
+
+    contract Collector {
+      uint256 collected;
+      fallback() external payable {
+        giveMoney();
+      }
+      function giveMoney() public payable {
+        collected += msg.value;
+      }
+      function getCollected() public view returns (uint256) {
+        return collected;
+      }
+      function getUnaccounted() public view returns (uint256) {
+        return address(this).balance - collected;
+      }
+
+      function withdraw(address payable target) public {
+        target.transfer(collected);
+        collected = 0;
+      }
+    }
+  `);
+  }
+}
+  
+  
+class EthAddressGroup extends EthGroupBase {
+  extractCollectionId(address: string): number {
+    if (!(address.length === 42 || address.length === 40)) throw new Error('address wrong format');
+    return parseInt(address.substr(address.length - 8), 16);
+  }
+
+  fromCollectionId(collectionId: number): string {
+    if (collectionId >= 0xffffffff || collectionId < 0) throw new Error('collectionId overflow');
+    return Web3.utils.toChecksumAddress(`0x17c4e6453cc49aaaaeaca894e6d9683e${collectionId.toString(16).padStart(8, '0')}`);
+  }
+
+  extractTokenId(address: string): {collectionId: number, tokenId: number} {
+    if (!address.startsWith('0x'))
+      throw 'address not starts with "0x"';
+    if (address.length > 42)
+      throw 'address length is more than 20 bytes';
+    return {
+      collectionId: Number('0x' + address.substring(address.length - 16, address.length - 8)),
+      tokenId: Number('0x' + address.substring(address.length - 8)),
+    };
+  }
+
+  fromTokenId(collectionId: number, tokenId: number): string  {
+    return this.helper.util.getNestingTokenAddress(collectionId, tokenId);
+  }
+
+  normalizeAddress(address: string): string {
+    return '0x' + address.substring(address.length - 40);
+  }
+}  
+ 
+
+export class EthUniqueHelper extends DevUniqueHelper {
+  web3: Web3 | null = null;
+  web3Provider: WebsocketProvider | null = null;
+
+  eth: EthGroup;
+  ethAddress: EthAddressGroup;
+  ethNativeContract: NativeContractGroup;
+  ethContract: ContractGroup;
+
+  constructor(logger: { log: (msg: any, level: any) => void, level: any }) {
+    super(logger);
+    this.eth = new EthGroup(this);
+    this.ethAddress = new EthAddressGroup(this);
+    this.ethNativeContract = new NativeContractGroup(this);
+    this.ethContract = new ContractGroup(this);
+  }
+
+  getWeb3(): Web3 {
+    if(this.web3 === null) throw Error('Web3 not connected');
+    return this.web3;
+  }
+
+  async connectWeb3(wsEndpoint: string) {
+    if(this.web3 !== null) return;
+    this.web3Provider = new Web3.providers.WebsocketProvider(wsEndpoint);
+    this.web3 = new Web3(this.web3Provider);
+  }
+
+  async disconnectWeb3() {
+    if(this.web3 === null) return;
+    this.web3Provider?.connection.close();
+    this.web3 = null;
+  }
+}
+  
\ No newline at end of file
modifiedtests/src/substrate/substrate-api.tsdiffbeforeafterboth
--- a/tests/src/substrate/substrate-api.ts
+++ b/tests/src/substrate/substrate-api.ts
@@ -25,6 +25,8 @@
 import privateKey from './privateKey';
 import promisifySubstrate from './promisify-substrate';
 
+import {SilentConsole} from '../util/playgrounds/unique.dev';
+
 
 
 function defaultApiOptions(): ApiOptions {
@@ -74,26 +76,9 @@
   settings = settings || defaultApiOptions();
   const api: ApiPromise = new ApiPromise(settings);
   let result: T = null as unknown as T;
-
-  // TODO: Remove, this is temporary: Filter unneeded API output
-  // (Jaco promised it will be removed in the next version)
-  const consoleErr = console.error;
-  const consoleLog = console.log;
-  const consoleWarn = console.warn;
 
-  const outFn = (printer: any) => (...args: any[]) => {
-    for (const arg of args) {
-      if (typeof arg !== 'string')
-        continue;
-      if (arg.includes('1000:: Normal connection closure') || arg.includes('Not decorating unknown runtime apis:') || arg.includes('RPC methods not decorated:') || arg === 'Normal connection closure')
-        return;
-    }
-    printer(...args);
-  };
-
-  console.error = outFn(consoleErr.bind(console));
-  console.log = outFn(consoleLog.bind(console));
-  console.warn = outFn(consoleWarn.bind(console));
+  const silentConsole = new SilentConsole();
+  silentConsole.enable();
 
   try {
     await promisifySubstrate(api, async () => {
@@ -106,9 +91,7 @@
     })();
   } finally {
     await api.disconnect();
-    console.error = consoleErr;
-    console.log = consoleLog;
-    console.warn = consoleWarn;
+    silentConsole.disable();
   }
   return result as T;
 }
modifiedtests/src/util/playgrounds/index.tsdiffbeforeafterboth
--- a/tests/src/util/playgrounds/index.ts
+++ b/tests/src/util/playgrounds/index.ts
@@ -4,37 +4,13 @@
 import {IKeyringPair} from '@polkadot/types/types';
 import config from '../../config';
 import '../../interfaces/augment-api-events';
-import {DevUniqueHelper} from './unique.dev';
+import {DevUniqueHelper, SilentLogger, SilentConsole} from './unique.dev';
 
-class SilentLogger {
-  log(msg: any, level: any): void { }
-  level = {
-    ERROR: 'ERROR' as const,
-    WARNING: 'WARNING' as const,
-    INFO: 'INFO' as const,
-  };
-}
 
 export const usingPlaygrounds = async (code: (helper: DevUniqueHelper, privateKey: (seed: string) => IKeyringPair) => Promise<void>) => {
-  // TODO: Remove, this is temporary: Filter unneeded API output
-  // (Jaco promised it will be removed in the next version)
-  const consoleErr = console.error;
-  const consoleLog = console.log;
-  const consoleWarn = console.warn;
+  const silentConsole = new SilentConsole();
+  silentConsole.enable();
 
-  const outFn = (printer: any) => (...args: any[]) => {
-    for (const arg of args) {
-      if (typeof arg !== 'string')
-        continue;
-      if (arg.includes('1000:: Normal connection closure') || arg.includes('Not decorating unknown runtime apis:') || arg.includes('RPC methods not decorated:') || arg === 'Normal connection closure')
-        return;
-    }
-    printer(...args);
-  };
-
-  console.error = outFn(consoleErr.bind(console));
-  console.log = outFn(consoleLog.bind(console));
-  console.warn = outFn(consoleWarn.bind(console));
   const helper = new DevUniqueHelper(new SilentLogger());
 
   try {
@@ -45,8 +21,6 @@
   }
   finally {
     await helper.disconnect();
-    console.error = consoleErr;
-    console.log = consoleLog;
-    console.warn = consoleWarn;
+    silentConsole.disable();
   }
 };
modifiedtests/src/util/playgrounds/unique.dev.tsdiffbeforeafterboth
--- a/tests/src/util/playgrounds/unique.dev.ts
+++ b/tests/src/util/playgrounds/unique.dev.ts
@@ -5,10 +5,56 @@
 import {UniqueHelper} from './unique';
 import {ApiPromise, WsProvider} from '@polkadot/api';
 import * as defs from '../../interfaces/definitions';
-import {TSigner} from './types';
 import {IKeyringPair} from '@polkadot/types/types';
 
 
+export class SilentLogger {
+  log(_msg: any, _level: any): void { }
+  level = {
+    ERROR: 'ERROR' as const,
+    WARNING: 'WARNING' as const,
+    INFO: 'INFO' as const,
+  };
+}
+
+
+export class SilentConsole {
+  // TODO: Remove, this is temporary: Filter unneeded API output
+  // (Jaco promised it will be removed in the next version)
+  consoleErr: any;
+  consoleLog: any;
+  consoleWarn: any;
+
+  constructor() {
+    this.consoleErr = console.error;
+    this.consoleLog = console.log;
+    this.consoleWarn = console.warn;
+  }
+
+  enable() {  
+    const outFn = (printer: any) => (...args: any[]) => {
+      for (const arg of args) {
+        if (typeof arg !== 'string')
+          continue;
+        if (arg.includes('1000:: Normal connection closure') || arg.includes('Not decorating unknown runtime apis: UniqueApi/2, RmrkApi/1') || arg.includes('RPC methods not decorated:') || arg === 'Normal connection closure')
+          return;
+      }
+      printer(...args);
+    };
+  
+    console.error = outFn(this.consoleErr.bind(console));
+    console.log = outFn(this.consoleLog.bind(console));
+    console.warn = outFn(this.consoleWarn.bind(console));
+  }
+
+  disable() {
+    console.error = this.consoleErr;
+    console.log = this.consoleLog;
+    console.warn = this.consoleWarn;
+  }
+}
+
+
 export class DevUniqueHelper extends UniqueHelper {
   /**
    * Arrange methods for tests
@@ -20,7 +66,7 @@
     this.arrange = new ArrangeGroup(this);
   }
 
-  async connect(wsEndpoint: string, listeners?: any): Promise<void> {
+  async connect(wsEndpoint: string, _listeners?: any): Promise<void> {
     const wsProvider = new WsProvider(wsEndpoint);
     this.api = new ApiPromise({
       provider: wsProvider,
@@ -85,7 +131,7 @@
       }
     }
 
-    await Promise.all(transactions).catch(e => {});
+    await Promise.all(transactions).catch(_e => {});
     
     //#region TODO remove this region, when nonce problem will be solved
     const checkBalances = async () => {
@@ -113,13 +159,14 @@
 
     return accounts;
   };
-
+ 
   /**
    * Wait for specified bnumber of blocks
    * @param blocksCount number of blocks to wait
    * @returns 
    */
   async waitNewBlocks(blocksCount = 1): Promise<void> {
+    // eslint-disable-next-line no-async-promise-executor
     const promise = new Promise<void>(async (resolve) => {
       const unsubscribe = await this.helper.api!.rpc.chain.subscribeNewHeads(() => {
         if (blocksCount > 0) {
modifiedtests/src/util/playgrounds/unique.tsdiffbeforeafterboth
--- a/tests/src/util/playgrounds/unique.ts
+++ b/tests/src/util/playgrounds/unique.ts
@@ -317,6 +317,7 @@
       if(options !== null) return transaction.signAndSend(sender, options, callback);
       return transaction.signAndSend(sender, callback);
     };
+    // eslint-disable-next-line no-async-promise-executor
     return new Promise(async (resolve, reject) => {
       try {
         const unsub = await sign((result: any) => {
@@ -388,6 +389,7 @@
       type: this.chainLogType.EXTRINSIC,
       status: result.status,
       call: extrinsic,
+      signer: this.getSignerAddress(sender),
       params,
     } as IUniqueHelperLog;
 
@@ -1087,11 +1089,11 @@
     return this.getCollectionObject(this.helper.util.extractCollectionIdFromCreationResult(creationResult));
   }
 
-  getCollectionObject(collectionId: number): any {
+  getCollectionObject(_collectionId: number): any {
     return null;
   }
 
-  getTokenObject(collectionId: number, tokenId: number): any {
+  getTokenObject(_collectionId: number, _tokenId: number): any {
     return null;
   }
 }