git.delta.rocks / unique-network / refs/commits / 2e1cabd3ad66

difftreelog

feat configure min gas price

Yaroslav Bolyukin2021-11-05parent: #540e85d.patch.diff
in: master

9 files changed

modifiedruntime/src/lib.rsdiffbeforeafterboth
--- a/runtime/src/lib.rs
+++ b/runtime/src/lib.rs
@@ -243,7 +243,8 @@
 pub struct FixedFee;
 impl FeeCalculator for FixedFee {
 	fn min_gas_price() -> U256 {
-		1.into()
+		// Targeting 0.15 UNQ per transfer
+		(1 * MICROUNIQUE).into()
 	}
 }
 
modifiedtests/src/creditFeesToTreasury.test.tsdiffbeforeafterboth
--- a/tests/src/creditFeesToTreasury.test.ts
+++ b/tests/src/creditFeesToTreasury.test.ts
@@ -14,6 +14,7 @@
   createItemExpectSuccess,
   getGenericResult,
   transferExpectSuccess,
+  UNIQUE,
 } from './util/helpers';
 
 import {default as waitNewBlocks} from './substrate/wait-new-blocks';
@@ -169,12 +170,11 @@
       const aliceBalanceBefore: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();
       await transferExpectSuccess(collectionId, tokenId, alice, bob, 1, 'NFT');
       const aliceBalanceAfter: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();
-      const fee = aliceBalanceBefore - aliceBalanceAfter;
+      const fee = Number(aliceBalanceBefore - aliceBalanceAfter) / Number(UNIQUE);
 
-      // console.log(fee.toString());
       const expectedTransferFee = 0.1;
       const tolerance = 0.001;
-      expect(Number(fee) / 1e15 - expectedTransferFee).to.be.lessThan(tolerance);
+      expect(Number(fee) / Number(UNIQUE) - expectedTransferFee).to.be.lessThan(tolerance);
     });
   });
 
modifiedtests/src/eth/base.test.tsdiffbeforeafterboth
--- a/tests/src/eth/base.test.ts
+++ b/tests/src/eth/base.test.ts
@@ -1,7 +1,9 @@
 
-import {createEthAccount, createEthAccountWithBalance, deployFlipper, ethBalanceViaSub, GAS_ARGS, itWeb3, recordEthFee} from './util/helpers';
+import {collectionIdToAddress, createEthAccount, createEthAccountWithBalance, deployFlipper, ethBalanceViaSub, GAS_ARGS, itWeb3, recordEthFee} from './util/helpers';
 import {expect} from 'chai';
-import {UNIQUE} from '../util/helpers';
+import {createCollectionExpectSuccess, createItemExpectSuccess, UNIQUE} from '../util/helpers';
+import nonFungibleAbi from './nonFungibleAbi.json';
+import privateKey from '../substrate/privateKey';
 
 describe('Contract calls', () => {
   itWeb3('Call of simple contract fee is less than 0.2 UNQ', async ({web3, api}) => {
@@ -19,4 +21,26 @@
     const cost = await recordEthFee(api, userA, () => web3.eth.sendTransaction({from: userA, to: userB, value: '1000000', ...GAS_ARGS}));
     expect(cost - await ethBalanceViaSub(api, userB) < BigInt(0.2 * Number(UNIQUE))).to.be.true;
   });
+
+  itWeb3('NFT transfer is close to 0.15 UNQ', async ({web3, api}) => {
+    const caller = await createEthAccountWithBalance(api, web3);
+    const receiver = createEthAccount(web3);
+
+    const alice = privateKey('//Alice');
+    const collection = await createCollectionExpectSuccess({
+      mode: {type: 'NFT'},
+    });
+    const itemId = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: caller});
+
+    const address = collectionIdToAddress(collection);
+    const contract = new web3.eth.Contract(nonFungibleAbi as any, address, {from: caller, ...GAS_ARGS});
+
+    const cost = await recordEthFee(api, caller, () => contract.methods.transfer(receiver, itemId).send(caller));
+
+    const fee = Number(cost) / Number(UNIQUE);
+    const expectedFee = 0.15;
+    const tolerance = 0.002;
+
+    expect(Math.abs(fee - expectedFee) < tolerance).to.be.true;
+  });
 });
modifiedtests/src/eth/fungible.test.tsdiffbeforeafterboth
before · tests/src/eth/fungible.test.ts
1//2// This file is subject to the terms and conditions defined in3// file 'LICENSE', which is part of this source code package.4//56import privateKey from '../substrate/privateKey';7import {approveExpectSuccess, createCollectionExpectSuccess, createFungibleItemExpectSuccess, transferExpectSuccess, transferFromExpectSuccess, UNIQUE} from '../util/helpers';8import {collectionIdToAddress, createEthAccount, createEthAccountWithBalance, GAS_ARGS, itWeb3, normalizeEvents, recordEthFee, recordEvents, subToEth, transferBalanceToEth} from './util/helpers';9import fungibleAbi from './fungibleAbi.json';10import {expect} from 'chai';1112describe('Fungible: Information getting', () => {13  itWeb3('totalSupply', async ({api, web3}) => {14    const collection = await createCollectionExpectSuccess({15      name: 'token name',16      mode: {type: 'Fungible', decimalPoints: 0},17    });18    const alice = privateKey('//Alice');1920    const caller = await createEthAccountWithBalance(api, web3);2122    await createFungibleItemExpectSuccess(alice, collection, {Value: 200n}, {Substrate: alice.address});2324    const address = collectionIdToAddress(collection);25    const contract = new web3.eth.Contract(fungibleAbi as any, address, {from: caller, ...GAS_ARGS});26    const totalSupply = await contract.methods.totalSupply().call();2728    expect(totalSupply).to.equal('200');29  });3031  itWeb3('balanceOf', async ({api, web3}) => {32    const collection = await createCollectionExpectSuccess({33      name: 'token name',34      mode: {type: 'Fungible', decimalPoints: 0},35    });36    const alice = privateKey('//Alice');3738    const caller = await createEthAccountWithBalance(api, web3);3940    await createFungibleItemExpectSuccess(alice, collection, {Value: 200n}, {Ethereum: caller});4142    const address = collectionIdToAddress(collection);43    const contract = new web3.eth.Contract(fungibleAbi as any, address, {from: caller, ...GAS_ARGS});44    const balance = await contract.methods.balanceOf(caller).call();4546    expect(balance).to.equal('200');47  });48});4950describe('Fungible: Plain calls', () => {51  itWeb3('Can perform approve()', async ({web3, api}) => {52    const collection = await createCollectionExpectSuccess({53      name: 'token name',54      mode: {type: 'Fungible', decimalPoints: 0},55    });56    const alice = privateKey('//Alice');5758    const owner = await createEthAccountWithBalance(api, web3);5960    await createFungibleItemExpectSuccess(alice, collection, {Value: 200n}, {Ethereum: owner});6162    const spender = createEthAccount(web3);6364    const address = collectionIdToAddress(collection);65    const contract = new web3.eth.Contract(fungibleAbi as any, address, {from: owner, ...GAS_ARGS});6667    {68      const result = await contract.methods.approve(spender, 100).send({from: owner});69      const events = normalizeEvents(result.events);7071      expect(events).to.be.deep.equal([72        {73          address,74          event: 'Approval',75          args: {76            owner,77            spender,78            value: '100',79          },80        },81      ]);82    }8384    {85      const allowance = await contract.methods.allowance(owner, spender).call();86      expect(+allowance).to.equal(100);87    }88  });8990  itWeb3('Can perform transferFrom()', async ({web3, api}) => {91    const collection = await createCollectionExpectSuccess({92      name: 'token name',93      mode: {type: 'Fungible', decimalPoints: 0},94    });95    const alice = privateKey('//Alice');9697    const owner = createEthAccount(web3);98    await transferBalanceToEth(api, alice, owner, 999999999999999);99100    await createFungibleItemExpectSuccess(alice, collection, {Value: 200n}, {Ethereum: owner});101102    const spender = createEthAccount(web3);103    await transferBalanceToEth(api, alice, spender, 999999999999999);104105    const receiver = createEthAccount(web3);106107    const address = collectionIdToAddress(collection);108    const contract = new web3.eth.Contract(fungibleAbi as any, address, {from: owner, ...GAS_ARGS});109110    await contract.methods.approve(spender, 100).send();111112    {113      const result = await contract.methods.transferFrom(owner, receiver, 49).send({from: spender});114      const events = normalizeEvents(result.events);115      expect(events).to.be.deep.equal([116        {117          address,118          event: 'Transfer',119          args: {120            from: owner,121            to: receiver,122            value: '49',123          },124        },125        {126          address,127          event: 'Approval',128          args: {129            owner,130            spender,131            value: '51',132          },133        },134      ]);135    }136137    {138      const balance = await contract.methods.balanceOf(receiver).call();139      expect(+balance).to.equal(49);140    }141142    {143      const balance = await contract.methods.balanceOf(owner).call();144      expect(+balance).to.equal(151);145    }146  });147148  itWeb3('Can perform transfer()', async ({web3, api}) => {149    const collection = await createCollectionExpectSuccess({150      name: 'token name',151      mode: {type: 'Fungible', decimalPoints: 0},152    });153    const alice = privateKey('//Alice');154155    const owner = createEthAccount(web3);156    await transferBalanceToEth(api, alice, owner, 999999999999999);157158    await createFungibleItemExpectSuccess(alice, collection, {Value: 200n}, {Ethereum: owner});159160    const receiver = createEthAccount(web3);161    await transferBalanceToEth(api, alice, receiver, 999999999999999);162163    const address = collectionIdToAddress(collection);164    const contract = new web3.eth.Contract(fungibleAbi as any, address, {from: owner, ...GAS_ARGS});165166    {167      const result = await contract.methods.transfer(receiver, 50).send({from: owner});168      const events = normalizeEvents(result.events);169      expect(events).to.be.deep.equal([170        {171          address,172          event: 'Transfer',173          args: {174            from: owner,175            to: receiver,176            value: '50',177          },178        },179      ]);180    }181182    {183      const balance = await contract.methods.balanceOf(owner).call();184      expect(+balance).to.equal(150);185    }186187    {188      const balance = await contract.methods.balanceOf(receiver).call();189      expect(+balance).to.equal(50);190    }191  });192});193194describe('Fungible: Fees', () => {195  itWeb3('approve() call fee is less than 0.2UNQ', async ({web3, api}) => {196    const collection = await createCollectionExpectSuccess({197      mode: {type: 'Fungible', decimalPoints: 0},198    });199    const alice = privateKey('//Alice');200201    const owner = await createEthAccountWithBalance(api, web3);202    const spender = createEthAccount(web3);203204    await createFungibleItemExpectSuccess(alice, collection, {Value: 200n}, {Ethereum: owner});205206    const address = collectionIdToAddress(collection);207    const contract = new web3.eth.Contract(fungibleAbi as any, address, {from: owner, ...GAS_ARGS});208209    const cost = await recordEthFee(api, owner, () => contract.methods.approve(spender, 100).send({from: owner}));210    expect(cost < BigInt(0.2 * Number(UNIQUE)));211  });212213  itWeb3('transferFrom() call fee is less than 0.2UNQ', async ({web3, api}) => {214    const collection = await createCollectionExpectSuccess({215      mode: {type: 'Fungible', decimalPoints: 0},216    });217    const alice = privateKey('//Alice');218219    const owner = await createEthAccountWithBalance(api, web3);220    const spender = await createEthAccountWithBalance(api, web3);221222    await createFungibleItemExpectSuccess(alice, collection, {Value: 200n}, {Ethereum: owner});223224    const address = collectionIdToAddress(collection);225    const contract = new web3.eth.Contract(fungibleAbi as any, address, {from: owner, ...GAS_ARGS});226227    await contract.methods.approve(spender, 100).send({from: owner});228229    const cost = await recordEthFee(api, spender, () => contract.methods.transferFrom(owner, spender, 100).send({from: spender}));230    expect(cost < BigInt(0.2 * Number(UNIQUE)));231  });232233  itWeb3('transfer() call fee is less than 0.2UNQ', async ({web3, api}) => {234    const collection = await createCollectionExpectSuccess({235      mode: {type: 'Fungible', decimalPoints: 0},236    });237    const alice = privateKey('//Alice');238239    const owner = await createEthAccountWithBalance(api, web3);240    const receiver = createEthAccount(web3);241242    await createFungibleItemExpectSuccess(alice, collection, {Value: 200n}, {Ethereum: owner});243244    const address = collectionIdToAddress(collection);245    const contract = new web3.eth.Contract(fungibleAbi as any, address, {from: owner, ...GAS_ARGS});246247    const cost = await recordEthFee(api, owner, () => contract.methods.transfer(receiver, 100).send({from: owner}));248    expect(cost < BigInt(0.2 * Number(UNIQUE)));249  });250});251252describe('Fungible: Substrate calls', () => {253  itWeb3('Events emitted for approve()', async ({web3}) => {254    const collection = await createCollectionExpectSuccess({255      mode: {type: 'Fungible', decimalPoints: 0},256    });257    const alice = privateKey('//Alice');258259    const receiver = createEthAccount(web3);260261    await createFungibleItemExpectSuccess(alice, collection, {Value: 200n});262263    const address = collectionIdToAddress(collection);264    const contract = new web3.eth.Contract(fungibleAbi as any, address);265266    const events = await recordEvents(contract, async () => {267      await approveExpectSuccess(collection, 0, alice, {Ethereum: receiver}, 100);268    });269270    expect(events).to.be.deep.equal([271      {272        address,273        event: 'Approval',274        args: {275          owner: subToEth(alice.address),276          spender: receiver,277          value: '100',278        },279      },280    ]);281  });282283  itWeb3('Events emitted for transferFrom()', async ({web3}) => {284    const collection = await createCollectionExpectSuccess({285      mode: {type: 'Fungible', decimalPoints: 0},286    });287    const alice = privateKey('//Alice');288    const bob = privateKey('//Bob');289290    const receiver = createEthAccount(web3);291292    await createFungibleItemExpectSuccess(alice, collection, {Value: 200n});293    await approveExpectSuccess(collection, 0, alice, bob.address, 100);294295    const address = collectionIdToAddress(collection);296    const contract = new web3.eth.Contract(fungibleAbi as any, address);297298    const events = await recordEvents(contract, async () => {299      await transferFromExpectSuccess(collection, 0, bob, alice, {Ethereum: receiver}, 51, 'Fungible');300    });301302    expect(events).to.be.deep.equal([303      {304        address,305        event: 'Transfer',306        args: {307          from: subToEth(alice.address),308          to: receiver,309          value: '51',310        },311      },312      {313        address,314        event: 'Approval',315        args: {316          owner: subToEth(alice.address),317          spender: subToEth(bob.address),318          value: '49',319        },320      },321    ]);322  });323324  itWeb3('Events emitted for transfer()', async ({web3}) => {325    const collection = await createCollectionExpectSuccess({326      mode: {type: 'Fungible', decimalPoints: 0},327    });328    const alice = privateKey('//Alice');329330    const receiver = createEthAccount(web3);331332    await createFungibleItemExpectSuccess(alice, collection, {Value: 200n});333334    const address = collectionIdToAddress(collection);335    const contract = new web3.eth.Contract(fungibleAbi as any, address);336337    const events = await recordEvents(contract, async () => {338      await transferExpectSuccess(collection, 0, alice, {Ethereum:receiver}, 51, 'Fungible');339    });340341    expect(events).to.be.deep.equal([342      {343        address,344        event: 'Transfer',345        args: {346          from: subToEth(alice.address),347          to: receiver,348          value: '51',349        },350      },351    ]);352  });353});
after · tests/src/eth/fungible.test.ts
1//2// This file is subject to the terms and conditions defined in3// file 'LICENSE', which is part of this source code package.4//56import privateKey from '../substrate/privateKey';7import {approveExpectSuccess, createCollectionExpectSuccess, createFungibleItemExpectSuccess, transferExpectSuccess, transferFromExpectSuccess, UNIQUE} from '../util/helpers';8import {collectionIdToAddress, createEthAccount, createEthAccountWithBalance, GAS_ARGS, itWeb3, normalizeEvents, recordEthFee, recordEvents, subToEth, transferBalanceToEth} from './util/helpers';9import fungibleAbi from './fungibleAbi.json';10import {expect} from 'chai';1112describe('Fungible: Information getting', () => {13  itWeb3('totalSupply', async ({api, web3}) => {14    const collection = await createCollectionExpectSuccess({15      name: 'token name',16      mode: {type: 'Fungible', decimalPoints: 0},17    });18    const alice = privateKey('//Alice');1920    const caller = await createEthAccountWithBalance(api, web3);2122    await createFungibleItemExpectSuccess(alice, collection, {Value: 200n}, {Substrate: alice.address});2324    const address = collectionIdToAddress(collection);25    const contract = new web3.eth.Contract(fungibleAbi as any, address, {from: caller, ...GAS_ARGS});26    const totalSupply = await contract.methods.totalSupply().call();2728    expect(totalSupply).to.equal('200');29  });3031  itWeb3('balanceOf', async ({api, web3}) => {32    const collection = await createCollectionExpectSuccess({33      name: 'token name',34      mode: {type: 'Fungible', decimalPoints: 0},35    });36    const alice = privateKey('//Alice');3738    const caller = await createEthAccountWithBalance(api, web3);3940    await createFungibleItemExpectSuccess(alice, collection, {Value: 200n}, {Ethereum: caller});4142    const address = collectionIdToAddress(collection);43    const contract = new web3.eth.Contract(fungibleAbi as any, address, {from: caller, ...GAS_ARGS});44    const balance = await contract.methods.balanceOf(caller).call();4546    expect(balance).to.equal('200');47  });48});4950describe('Fungible: Plain calls', () => {51  itWeb3('Can perform approve()', async ({web3, api}) => {52    const collection = await createCollectionExpectSuccess({53      name: 'token name',54      mode: {type: 'Fungible', decimalPoints: 0},55    });56    const alice = privateKey('//Alice');5758    const owner = await createEthAccountWithBalance(api, web3);5960    await createFungibleItemExpectSuccess(alice, collection, {Value: 200n}, {Ethereum: owner});6162    const spender = createEthAccount(web3);6364    const address = collectionIdToAddress(collection);65    const contract = new web3.eth.Contract(fungibleAbi as any, address, {from: owner, ...GAS_ARGS});6667    {68      const result = await contract.methods.approve(spender, 100).send({from: owner});69      const events = normalizeEvents(result.events);7071      expect(events).to.be.deep.equal([72        {73          address,74          event: 'Approval',75          args: {76            owner,77            spender,78            value: '100',79          },80        },81      ]);82    }8384    {85      const allowance = await contract.methods.allowance(owner, spender).call();86      expect(+allowance).to.equal(100);87    }88  });8990  itWeb3('Can perform transferFrom()', async ({web3, api}) => {91    const collection = await createCollectionExpectSuccess({92      name: 'token name',93      mode: {type: 'Fungible', decimalPoints: 0},94    });95    const alice = privateKey('//Alice');9697    const owner = createEthAccount(web3);98    await transferBalanceToEth(api, alice, owner);99100    await createFungibleItemExpectSuccess(alice, collection, {Value: 200n}, {Ethereum: owner});101102    const spender = createEthAccount(web3);103    await transferBalanceToEth(api, alice, spender);104105    const receiver = createEthAccount(web3);106107    const address = collectionIdToAddress(collection);108    const contract = new web3.eth.Contract(fungibleAbi as any, address, {from: owner, ...GAS_ARGS});109110    await contract.methods.approve(spender, 100).send();111112    {113      const result = await contract.methods.transferFrom(owner, receiver, 49).send({from: spender});114      const events = normalizeEvents(result.events);115      expect(events).to.be.deep.equal([116        {117          address,118          event: 'Transfer',119          args: {120            from: owner,121            to: receiver,122            value: '49',123          },124        },125        {126          address,127          event: 'Approval',128          args: {129            owner,130            spender,131            value: '51',132          },133        },134      ]);135    }136137    {138      const balance = await contract.methods.balanceOf(receiver).call();139      expect(+balance).to.equal(49);140    }141142    {143      const balance = await contract.methods.balanceOf(owner).call();144      expect(+balance).to.equal(151);145    }146  });147148  itWeb3('Can perform transfer()', async ({web3, api}) => {149    const collection = await createCollectionExpectSuccess({150      name: 'token name',151      mode: {type: 'Fungible', decimalPoints: 0},152    });153    const alice = privateKey('//Alice');154155    const owner = createEthAccount(web3);156    await transferBalanceToEth(api, alice, owner);157158    await createFungibleItemExpectSuccess(alice, collection, {Value: 200n}, {Ethereum: owner});159160    const receiver = createEthAccount(web3);161    await transferBalanceToEth(api, alice, receiver);162163    const address = collectionIdToAddress(collection);164    const contract = new web3.eth.Contract(fungibleAbi as any, address, {from: owner, ...GAS_ARGS});165166    {167      const result = await contract.methods.transfer(receiver, 50).send({from: owner});168      const events = normalizeEvents(result.events);169      expect(events).to.be.deep.equal([170        {171          address,172          event: 'Transfer',173          args: {174            from: owner,175            to: receiver,176            value: '50',177          },178        },179      ]);180    }181182    {183      const balance = await contract.methods.balanceOf(owner).call();184      expect(+balance).to.equal(150);185    }186187    {188      const balance = await contract.methods.balanceOf(receiver).call();189      expect(+balance).to.equal(50);190    }191  });192});193194describe('Fungible: Fees', () => {195  itWeb3('approve() call fee is less than 0.2UNQ', async ({web3, api}) => {196    const collection = await createCollectionExpectSuccess({197      mode: {type: 'Fungible', decimalPoints: 0},198    });199    const alice = privateKey('//Alice');200201    const owner = await createEthAccountWithBalance(api, web3);202    const spender = createEthAccount(web3);203204    await createFungibleItemExpectSuccess(alice, collection, {Value: 200n}, {Ethereum: owner});205206    const address = collectionIdToAddress(collection);207    const contract = new web3.eth.Contract(fungibleAbi as any, address, {from: owner, ...GAS_ARGS});208209    const cost = await recordEthFee(api, owner, () => contract.methods.approve(spender, 100).send({from: owner}));210    expect(cost < BigInt(0.2 * Number(UNIQUE)));211  });212213  itWeb3('transferFrom() call fee is less than 0.2UNQ', async ({web3, api}) => {214    const collection = await createCollectionExpectSuccess({215      mode: {type: 'Fungible', decimalPoints: 0},216    });217    const alice = privateKey('//Alice');218219    const owner = await createEthAccountWithBalance(api, web3);220    const spender = await createEthAccountWithBalance(api, web3);221222    await createFungibleItemExpectSuccess(alice, collection, {Value: 200n}, {Ethereum: owner});223224    const address = collectionIdToAddress(collection);225    const contract = new web3.eth.Contract(fungibleAbi as any, address, {from: owner, ...GAS_ARGS});226227    await contract.methods.approve(spender, 100).send({from: owner});228229    const cost = await recordEthFee(api, spender, () => contract.methods.transferFrom(owner, spender, 100).send({from: spender}));230    expect(cost < BigInt(0.2 * Number(UNIQUE)));231  });232233  itWeb3('transfer() call fee is less than 0.2UNQ', async ({web3, api}) => {234    const collection = await createCollectionExpectSuccess({235      mode: {type: 'Fungible', decimalPoints: 0},236    });237    const alice = privateKey('//Alice');238239    const owner = await createEthAccountWithBalance(api, web3);240    const receiver = createEthAccount(web3);241242    await createFungibleItemExpectSuccess(alice, collection, {Value: 200n}, {Ethereum: owner});243244    const address = collectionIdToAddress(collection);245    const contract = new web3.eth.Contract(fungibleAbi as any, address, {from: owner, ...GAS_ARGS});246247    const cost = await recordEthFee(api, owner, () => contract.methods.transfer(receiver, 100).send({from: owner}));248    expect(cost < BigInt(0.2 * Number(UNIQUE)));249  });250});251252describe('Fungible: Substrate calls', () => {253  itWeb3('Events emitted for approve()', async ({web3}) => {254    const collection = await createCollectionExpectSuccess({255      mode: {type: 'Fungible', decimalPoints: 0},256    });257    const alice = privateKey('//Alice');258259    const receiver = createEthAccount(web3);260261    await createFungibleItemExpectSuccess(alice, collection, {Value: 200n});262263    const address = collectionIdToAddress(collection);264    const contract = new web3.eth.Contract(fungibleAbi as any, address);265266    const events = await recordEvents(contract, async () => {267      await approveExpectSuccess(collection, 0, alice, {Ethereum: receiver}, 100);268    });269270    expect(events).to.be.deep.equal([271      {272        address,273        event: 'Approval',274        args: {275          owner: subToEth(alice.address),276          spender: receiver,277          value: '100',278        },279      },280    ]);281  });282283  itWeb3('Events emitted for transferFrom()', async ({web3}) => {284    const collection = await createCollectionExpectSuccess({285      mode: {type: 'Fungible', decimalPoints: 0},286    });287    const alice = privateKey('//Alice');288    const bob = privateKey('//Bob');289290    const receiver = createEthAccount(web3);291292    await createFungibleItemExpectSuccess(alice, collection, {Value: 200n});293    await approveExpectSuccess(collection, 0, alice, bob.address, 100);294295    const address = collectionIdToAddress(collection);296    const contract = new web3.eth.Contract(fungibleAbi as any, address);297298    const events = await recordEvents(contract, async () => {299      await transferFromExpectSuccess(collection, 0, bob, alice, {Ethereum: receiver}, 51, 'Fungible');300    });301302    expect(events).to.be.deep.equal([303      {304        address,305        event: 'Transfer',306        args: {307          from: subToEth(alice.address),308          to: receiver,309          value: '51',310        },311      },312      {313        address,314        event: 'Approval',315        args: {316          owner: subToEth(alice.address),317          spender: subToEth(bob.address),318          value: '49',319        },320      },321    ]);322  });323324  itWeb3('Events emitted for transfer()', async ({web3}) => {325    const collection = await createCollectionExpectSuccess({326      mode: {type: 'Fungible', decimalPoints: 0},327    });328    const alice = privateKey('//Alice');329330    const receiver = createEthAccount(web3);331332    await createFungibleItemExpectSuccess(alice, collection, {Value: 200n});333334    const address = collectionIdToAddress(collection);335    const contract = new web3.eth.Contract(fungibleAbi as any, address);336337    const events = await recordEvents(contract, async () => {338      await transferExpectSuccess(collection, 0, alice, {Ethereum:receiver}, 51, 'Fungible');339    });340341    expect(events).to.be.deep.equal([342      {343        address,344        event: 'Transfer',345        args: {346          from: subToEth(alice.address),347          to: receiver,348          value: '51',349        },350      },351    ]);352  });353});
modifiedtests/src/eth/marketplace/marketplace.test.tsdiffbeforeafterboth
--- a/tests/src/eth/marketplace/marketplace.test.ts
+++ b/tests/src/eth/marketplace/marketplace.test.ts
@@ -38,8 +38,8 @@
 
     // Ask
     {
-      await executeEthTxOnSub(api, seller, evmCollection, m => m.approve(matcher.options.address, tokenId));
-      await executeEthTxOnSub(api, seller, matcher, m => m.setAsk(PRICE, '0x0000000000000000000000000000000000000000', evmCollection.options.address, tokenId, 1));
+      await executeEthTxOnSub(web3, api, seller, evmCollection, m => m.approve(matcher.options.address, tokenId));
+      await executeEthTxOnSub(web3, api, seller, matcher, m => m.setAsk(PRICE, '0x0000000000000000000000000000000000000000', evmCollection.options.address, tokenId, 1));
     }
 
     // Token is transferred to matcher
@@ -49,7 +49,7 @@
     {
       const sellerBalanceBeforePurchase = await getBalanceSingle(api, seller.address);
       // There is two functions named 'buy', so we should provide full signature
-      await executeEthTxOnSub(api, alice, matcher, m => m['buy(address,uint256)'](evmCollection.options.address, tokenId), {value: PRICE});
+      await executeEthTxOnSub(web3, api, alice, matcher, m => m['buy(address,uint256)'](evmCollection.options.address, tokenId), {value: PRICE});
       expect(await getBalanceSingle(api, seller.address) - sellerBalanceBeforePurchase === PRICE);
     }
 
@@ -95,8 +95,8 @@
 
     // Ask
     {
-      await executeEthTxOnSub(api, seller, evmCollection, m => m.approve(matcher.options.address, tokenId));
-      await executeEthTxOnSub(api, seller, matcher, m => m.setAsk(PRICE, evmFungible.options.address, evmCollection.options.address, tokenId, 1));
+      await executeEthTxOnSub(web3, api, seller, evmCollection, m => m.approve(matcher.options.address, tokenId));
+      await executeEthTxOnSub(web3, api, seller, matcher, m => m.setAsk(PRICE, evmFungible.options.address, evmCollection.options.address, tokenId, 1));
     }
 
     // Token is transferred to matcher
@@ -107,9 +107,9 @@
       const sellerBalanceBeforePurchase = BigInt(await evmFungible.methods.balanceOf(subToEth(seller.address)).call());
       const buyerBalanceBeforePurchase = BigInt(await evmFungible.methods.balanceOf(subToEth(alice.address)).call());
 
-      await executeEthTxOnSub(api, alice, evmFungible, m => m.approve(matcher.options.address, PRICE));
+      await executeEthTxOnSub(web3, api, alice, evmFungible, m => m.approve(matcher.options.address, PRICE));
       // There is two functions named 'buy', so we should provide full signature
-      await executeEthTxOnSub(api, alice, matcher, m =>
+      await executeEthTxOnSub(web3, api, alice, matcher, m =>
         m['buy(address,uint256,address,uint256)'](evmCollection.options.address, tokenId, evmFungible.options.address, PRICE));
 
       // Approved price is removed from buyer balance, and added to seller
@@ -158,8 +158,8 @@
 
     // Ask
     {
-      await executeEthTxOnSub(api, seller, evmCollection, m => m.approve(matcher.options.address, tokenId));
-      await executeEthTxOnSub(api, seller, matcher, m => m.setAsk(PRICE, ksmToken, evmCollection.options.address, tokenId, 1));
+      await executeEthTxOnSub(web3, api, seller, evmCollection, m => m.approve(matcher.options.address, tokenId));
+      await executeEthTxOnSub(web3, api, seller, matcher, m => m.setAsk(PRICE, ksmToken, evmCollection.options.address, tokenId, 1));
     }
 
     // Token is transferred to matcher
@@ -173,7 +173,7 @@
       expect(await matcher.methods.escrowBalance(ksmToken, subToEth(seller.address)).call()).to.be.equal('0');
       expect(await matcher.methods.escrowBalance(ksmToken, subToEth(alice.address)).call()).to.be.equal(PRICE.toString());
 
-      await executeEthTxOnSub(api, alice, matcher, m => m.buy(evmCollection.options.address, tokenId));
+      await executeEthTxOnSub(web3, api, alice, matcher, m => m.buy(evmCollection.options.address, tokenId));
 
       // Price is removed from buyer balance, and added to seller
       expect(await matcher.methods.escrowBalance(ksmToken, subToEth(alice.address)).call()).to.be.equal('0');
modifiedtests/src/eth/nonFungible.test.tsdiffbeforeafterboth
--- a/tests/src/eth/nonFungible.test.ts
+++ b/tests/src/eth/nonFungible.test.ts
@@ -203,7 +203,7 @@
     const alice = privateKey('//Alice');
 
     const owner = createEthAccount(web3);
-    await transferBalanceToEth(api, alice, owner, 999999999999999);
+    await transferBalanceToEth(api, alice, owner);
 
     const tokenId = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: owner});
 
@@ -213,7 +213,7 @@
     const contract = new web3.eth.Contract(nonFungibleAbi as any, address);
 
     {
-      const result = await contract.methods.approve(spender, tokenId).send({from: owner, gas: '0x1000000', gasPrice: '0x01'});
+      const result = await contract.methods.approve(spender, tokenId).send({from: owner, ...GAS_ARGS});
       const events = normalizeEvents(result.events);
 
       expect(events).to.be.deep.equal([
@@ -237,12 +237,12 @@
     const alice = privateKey('//Alice');
 
     const owner = createEthAccount(web3);
-    await transferBalanceToEth(api, alice, owner, 999999999999999);
+    await transferBalanceToEth(api, alice, owner);
 
     const tokenId = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: owner});
 
     const spender = createEthAccount(web3);
-    await transferBalanceToEth(api, alice, spender, 999999999999999);
+    await transferBalanceToEth(api, alice, spender);
 
     const receiver = createEthAccount(web3);
 
@@ -285,12 +285,12 @@
     const alice = privateKey('//Alice');
 
     const owner = createEthAccount(web3);
-    await transferBalanceToEth(api, alice, owner, 999999999999999);
+    await transferBalanceToEth(api, alice, owner);
 
     const tokenId = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: owner});
 
     const receiver = createEthAccount(web3);
-    await transferBalanceToEth(api, alice, receiver, 999999999999999);
+    await transferBalanceToEth(api, alice, receiver);
 
     const address = collectionIdToAddress(collection);
     const contract = new web3.eth.Contract(nonFungibleAbi as any, address, {from: owner, ...GAS_ARGS});
modifiedtests/src/eth/payable.test.tsdiffbeforeafterboth
--- a/tests/src/eth/payable.test.ts
+++ b/tests/src/eth/payable.test.ts
@@ -32,7 +32,7 @@
         contract.methods.giveMoney().encodeABI(),
         '10000',
         GAS_ARGS.gas,
-        GAS_ARGS.gasPrice,
+        await web3.eth.getGasPrice(),
         null,
       );
       const events = await submitTransactionAsync(alice, tx);
modifiedtests/src/eth/proxy/nonFungibleProxy.test.tsdiffbeforeafterboth
--- a/tests/src/eth/proxy/nonFungibleProxy.test.ts
+++ b/tests/src/eth/proxy/nonFungibleProxy.test.ts
@@ -224,7 +224,7 @@
     const tokenId = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: contract.options.address});
 
     {
-      const result = await contract.methods.approve(spender, tokenId).send({from: caller, gas: '0x1000000', gasPrice: '0x01'});
+      const result = await contract.methods.approve(spender, tokenId).send({from: caller, ...GAS_ARGS});
       const events = normalizeEvents(result.events);
 
       expect(events).to.be.deep.equal([
modifiedtests/src/eth/util/helpers.tsdiffbeforeafterboth
--- a/tests/src/eth/util/helpers.ts
+++ b/tests/src/eth/util/helpers.ts
@@ -12,14 +12,14 @@
 import usingApi, {submitTransactionAsync} from '../../substrate/substrate-api';
 import {IKeyringPair} from '@polkadot/types/types';
 import {expect} from 'chai';
-import {getGenericResult} from '../../util/helpers';
+import {getGenericResult, UNIQUE} from '../../util/helpers';
 import * as solc from 'solc';
 import config from '../../config';
 import privateKey from '../../substrate/privateKey';
 import contractHelpersAbi from './contractHelpersAbi.json';
 import getBalance from '../../substrate/get-balance';
 
-export const GAS_ARGS = {gas: 0x1000000, gasPrice: '0x01'};
+export const GAS_ARGS = {gas: 1000000};
 
 let web3Connected = false;
 export async function usingWeb3<T>(cb: (web3: Web3) => Promise<T> | T): Promise<T> {
@@ -63,7 +63,7 @@
   return account;
 }
 
-export async function transferBalanceToEth(api: ApiPromise, source: IKeyringPair, target: string, amount = 999999999999999) {
+export async function transferBalanceToEth(api: ApiPromise, source: IKeyringPair, target: string, amount = 10000n * UNIQUE) {
   const tx = api.tx.balances.transfer(evmToAddress(target), amount);
   const events = await submitTransactionAsync(source, tx);
   const result = getGenericResult(events);
@@ -228,14 +228,14 @@
   return new web3.eth.Contract(contractHelpersAbi as any, '0x842899ECF380553E8a4de75bF534cdf6fBF64049', {from: caller, ...GAS_ARGS});
 }
 
-export async function executeEthTxOnSub(api: ApiPromise, from: IKeyringPair, to: any, mkTx: (methods: any) => any, {value = 0}: {value?: bigint | number} = { }) {
+export async function executeEthTxOnSub(web3: Web3, api: ApiPromise, from: IKeyringPair, to: any, mkTx: (methods: any) => any, {value = 0}: {value?: bigint | number} = { }) {
   const tx = api.tx.evm.call(
     subToEth(from.address),
     to.options.address,
     mkTx(to.methods).encodeABI(),
     value,
     GAS_ARGS.gas,
-    GAS_ARGS.gasPrice,
+    await web3.eth.getGasPrice(),
     null,
   );
   const events = await submitTransactionAsync(from, tx);