git.delta.rocks / unique-network / refs/commits / f663e99db821

374    await confirmSponsorshipExpectFailure(collectionId, '//Bob');374    await confirmSponsorshipExpectFailure(collectionId, '//Bob');
375  });375  });
376
377  it('(!negative test!) Transfer fees are not paid by the sponsor if the transfer failed', async () => {
378    const collectionId = await createCollectionExpectSuccess();
379    await setCollectionSponsorExpectSuccess(collectionId, bob.address);
380    await confirmSponsorshipExpectSuccess(collectionId, '//Bob');
381
382    await usingApi(async (api) => {
383      // Find unused address
384      const ownerZeroBalance = await findUnusedAddress(api);
385
386      // Find another unused address
387      const senderZeroBalance = await findUnusedAddress(api);
388
389      // Mint token for an unused address
390      const itemId = await createItemExpectSuccess(alice, collectionId, 'NFT', ownerZeroBalance.address);
391
392      const sponsorBalanceBeforeTx = (await api.query.system.account(bob.address)).data.free.toBigInt();
393
394      // Try to transfer this token from an unsponsored unused adress to Alice
395      const zeroToAlice = api.tx.unique.transfer(normalizeAccountId(alice.address), collectionId, itemId, 0);
396      await expect(submitTransactionExpectFailAsync(senderZeroBalance, zeroToAlice)).to.be.rejected;
397
398      const sponsorBalanceAfterTx = (await api.query.system.account(bob.address)).data.free.toBigInt();
399
400      expect(sponsorBalanceAfterTx).to.equal(sponsorBalanceBeforeTx);
401    });
402  });
376});403});
377404