ERC721 full implementation (#803)
* Rename current ERC721 implementation to BaseERC721
* Implement ERC721 optional & approveAll functionality
* Support for new ERC721 interface
- Tests for new features are pending
- ERC721 is abstract, since it requires metadata implementation
- Move some methods into DeprecatedERC721 contract
- Reorganise base vs full implementation
- Pending tokenByIndex
* Add more tests for ERC721
* Implement suggestions by @dekz
* Update comments in ERC721 contracts
* Implement tokensByIndex extension
- Remove restrictions from mock mint and burn calls
* Add default implementation for metadata URI
This allows token implementation to be non-abstract
* Allow operators to call approve on a token
* Remove gas stipend restriction in call to 721 receiver
* Remove deprecated implementation
We only want to keep the interface, for interacting with already deployed contracts
* Add notice to isContract helper on constract constructors
* Change natspec delimiters for consistency
* Minor linting fixes
* Add constant modifier to ERC721_RECEIVED magic value
* Use 4-params safeTransferFrom for implementing the 3-params overload
* Minor text changes in natspec comments
* Use address(0) instead of 0 or 0x0
* Use if-statements instead of boolean one-liners for clarity
:-(
* Keep ownedTokensCount state var in sync in full ERC721 implementation
* Fix incorrect comparison when burning ERC721 tokens with metadata
* Use address(0) instead of 0 in one more place in ERC721
* Throw when querying balance for the zero address
Required by the spec
* Update links to approved version of EIP721
* Use explicit size for uint
* Remove unneeded internal function in ERC721
Also rename addToken and removeToken for added clarity
* Use underscore instead of 'do' prefix for internal methods in ERC721
* Fix failing test due to events reordering in ERC721 safe transfer
* Fix bug introduced in 74db03ba06
* Remove do prefix for internal setTokenUri method
* Allow transfers to self in ERC721
This commit is contained in:
Santiago Palladino
committed by
Francisco Giordano
Francisco Giordano
parent
9f52e94339
commit
e96164feea
17
test/helpers/sendTransaction.js
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17
test/helpers/sendTransaction.js
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@ -0,0 +1,17 @@
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const _ = require('lodash');
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const ethjsABI = require('ethjs-abi');
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export function findMethod (abi, name, args) {
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for (var i = 0; i < abi.length; i++) {
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const methodArgs = _.map(abi[i].inputs, 'type').join(',');
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if ((abi[i].name === name) && (methodArgs === args)) {
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return abi[i];
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}
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}
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}
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export default function sendTransaction (target, name, argsTypes, argsValues, opts) {
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const abiMethod = findMethod(target.abi, name, argsTypes);
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const encodedData = ethjsABI.encodeMethod(abiMethod, argsValues);
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return target.sendTransaction(Object.assign({ data: encodedData }, opts));
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}
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541
test/token/ERC721/ERC721BasicToken.behaviour.js
Normal file
541
test/token/ERC721/ERC721BasicToken.behaviour.js
Normal file
@ -0,0 +1,541 @@
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import assertRevert from '../../helpers/assertRevert';
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import decodeLogs from '../../helpers/decodeLogs';
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import sendTransaction from '../../helpers/sendTransaction';
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import _ from 'lodash';
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const ERC721Receiver = artifacts.require('ERC721ReceiverMock.sol');
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const BigNumber = web3.BigNumber;
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require('chai')
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.use(require('chai-as-promised'))
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.use(require('chai-bignumber')(BigNumber))
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.should();
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export default function shouldBehaveLikeERC721BasicToken (accounts) {
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const firstTokenId = 1;
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const secondTokenId = 2;
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const unknownTokenId = 3;
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const creator = accounts[0];
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const ZERO_ADDRESS = '0x0000000000000000000000000000000000000000';
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const RECEIVER_MAGIC_VALUE = '0xf0b9e5ba';
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describe('like a ERC721BasicToken', function () {
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beforeEach(async function () {
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await this.token.mint(creator, firstTokenId, { from: creator });
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await this.token.mint(creator, secondTokenId, { from: creator });
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});
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describe('balanceOf', function () {
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describe('when the given address owns some tokens', function () {
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it('returns the amount of tokens owned by the given address', async function () {
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const balance = await this.token.balanceOf(creator);
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balance.should.be.bignumber.equal(2);
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});
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});
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describe('when the given address does not own any tokens', function () {
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it('returns 0', async function () {
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const balance = await this.token.balanceOf(accounts[1]);
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balance.should.be.bignumber.equal(0);
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});
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});
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describe('when querying the zero address', function () {
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it('throws', async function () {
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await assertRevert(this.token.balanceOf(0));
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});
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});
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});
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describe('exists', function () {
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describe('when the token exists', function () {
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const tokenId = firstTokenId;
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it('should return true', async function () {
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const result = await this.token.exists(tokenId);
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result.should.be.true;
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});
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});
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describe('when the token does not exist', function () {
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const tokenId = unknownTokenId;
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it('should return false', async function () {
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const result = await this.token.exists(tokenId);
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result.should.be.false;
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});
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});
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});
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describe('ownerOf', function () {
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describe('when the given token ID was tracked by this token', function () {
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const tokenId = firstTokenId;
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it('returns the owner of the given token ID', async function () {
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const owner = await this.token.ownerOf(tokenId);
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owner.should.be.equal(creator);
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});
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});
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describe('when the given token ID was not tracked by this token', function () {
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const tokenId = unknownTokenId;
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it('reverts', async function () {
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await assertRevert(this.token.ownerOf(tokenId));
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});
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});
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});
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describe('transfers', function () {
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const owner = accounts[0];
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const approved = accounts[2];
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const operator = accounts[3];
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const unauthorized = accounts[4];
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const tokenId = firstTokenId;
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const data = '0x42';
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let logs = null;
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beforeEach(async function () {
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this.to = accounts[1];
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await this.token.approve(approved, tokenId, { from: owner });
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await this.token.setApprovalForAll(operator, true, { from: owner });
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});
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const transferWasSuccessful = function ({ owner, tokenId, approved }) {
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it('transfers the ownership of the given token ID to the given address', async function () {
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const newOwner = await this.token.ownerOf(tokenId);
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newOwner.should.be.equal(this.to);
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});
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it('clears the approval for the token ID', async function () {
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const approvedAccount = await this.token.getApproved(tokenId);
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approvedAccount.should.be.equal(ZERO_ADDRESS);
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});
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if (approved) {
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it('emits an approval and transfer events', async function () {
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logs.length.should.be.equal(2);
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logs[0].event.should.be.eq('Approval');
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logs[0].args._owner.should.be.equal(owner);
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logs[0].args._approved.should.be.equal(ZERO_ADDRESS);
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logs[0].args._tokenId.should.be.bignumber.equal(tokenId);
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logs[1].event.should.be.eq('Transfer');
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logs[1].args._from.should.be.equal(owner);
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logs[1].args._to.should.be.equal(this.to);
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logs[1].args._tokenId.should.be.bignumber.equal(tokenId);
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});
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} else {
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it('emits only a transfer event', async function () {
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logs.length.should.be.equal(1);
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logs[0].event.should.be.eq('Transfer');
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logs[0].args._from.should.be.equal(owner);
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logs[0].args._to.should.be.equal(this.to);
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logs[0].args._tokenId.should.be.bignumber.equal(tokenId);
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});
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}
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it('adjusts owners balances', async function () {
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const newOwnerBalance = await this.token.balanceOf(this.to);
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newOwnerBalance.should.be.bignumber.equal(1);
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const previousOwnerBalance = await this.token.balanceOf(owner);
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previousOwnerBalance.should.be.bignumber.equal(1);
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});
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it('adjusts owners tokens by index', async function () {
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if (!this.token.tokenOfOwnerByIndex) return;
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const newOwnerToken = await this.token.tokenOfOwnerByIndex(this.to, 0);
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newOwnerToken.toNumber().should.be.equal(tokenId);
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const previousOwnerToken = await this.token.tokenOfOwnerByIndex(owner, 0);
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previousOwnerToken.toNumber().should.not.be.equal(tokenId);
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});
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};
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const shouldTransferTokensByUsers = function (transferFunction) {
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describe('when called by the owner', function () {
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beforeEach(async function () {
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({ logs } = await transferFunction.call(this, owner, this.to, tokenId, { from: owner }));
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});
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transferWasSuccessful({ owner, tokenId, approved });
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});
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describe('when called by the approved individual', function () {
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beforeEach(async function () {
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({ logs } = await transferFunction.call(this, owner, this.to, tokenId, { from: approved }));
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});
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transferWasSuccessful({ owner, tokenId, approved });
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});
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describe('when called by the operator', function () {
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beforeEach(async function () {
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({ logs } = await transferFunction.call(this, owner, this.to, tokenId, { from: operator }));
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});
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transferWasSuccessful({ owner, tokenId, approved });
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});
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describe('when called by the owner without an approved user', function () {
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beforeEach(async function () {
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await this.token.approve(ZERO_ADDRESS, tokenId, { from: owner });
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({ logs } = await transferFunction.call(this, owner, this.to, tokenId, { from: operator }));
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});
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transferWasSuccessful({ owner, tokenId, approved: null });
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});
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describe('when sent to the owner', function () {
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beforeEach(async function () {
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({ logs } = await transferFunction.call(this, owner, owner, tokenId, { from: owner }));
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});
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it('keeps ownership of the token', async function () {
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const newOwner = await this.token.ownerOf(tokenId);
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newOwner.should.be.equal(owner);
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});
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it('clears the approval for the token ID', async function () {
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const approvedAccount = await this.token.getApproved(tokenId);
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approvedAccount.should.be.equal(ZERO_ADDRESS);
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});
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it('emits an approval and transfer events', async function () {
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logs.length.should.be.equal(2);
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logs[0].event.should.be.eq('Approval');
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logs[0].args._owner.should.be.equal(owner);
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logs[0].args._approved.should.be.equal(ZERO_ADDRESS);
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logs[0].args._tokenId.should.be.bignumber.equal(tokenId);
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logs[1].event.should.be.eq('Transfer');
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logs[1].args._from.should.be.equal(owner);
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logs[1].args._to.should.be.equal(owner);
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logs[1].args._tokenId.should.be.bignumber.equal(tokenId);
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});
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it('keeps the owner balance', async function () {
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const ownerBalance = await this.token.balanceOf(owner);
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ownerBalance.should.be.bignumber.equal(2);
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});
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it('keeps same tokens by index', async function () {
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if (!this.token.tokenOfOwnerByIndex) return;
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const tokensListed = await Promise.all(_.range(2).map(i => this.token.tokenOfOwnerByIndex(owner, i)));
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tokensListed.map(t => t.toNumber()).should.have.members([firstTokenId, secondTokenId]);
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});
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});
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describe('when the address of the previous owner is incorrect', function () {
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it('reverts', async function () {
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await assertRevert(transferFunction.call(this, unauthorized, this.to, tokenId, { from: owner }));
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});
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});
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describe('when the sender is not authorized for the token id', function () {
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it('reverts', async function () {
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await assertRevert(transferFunction.call(this, owner, this.to, tokenId, { from: unauthorized }));
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});
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});
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describe('when the given token ID does not exist', function () {
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it('reverts', async function () {
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await assertRevert(transferFunction.call(this, owner, this.to, unknownTokenId, { from: owner }));
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});
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});
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describe('when the address to transfer the token to is the zero address', function () {
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it('reverts', async function () {
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await assertRevert(transferFunction.call(this, owner, ZERO_ADDRESS, tokenId, { from: owner }));
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});
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});
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};
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describe('via transferFrom', function () {
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shouldTransferTokensByUsers(function (from, to, tokenId, opts) {
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return this.token.transferFrom(from, to, tokenId, opts);
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});
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});
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describe('via safeTransferFrom', function () {
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const safeTransferFromWithData = function (from, to, tokenId, opts) {
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return sendTransaction(
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this.token,
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'safeTransferFrom',
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'address,address,uint256,bytes',
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[from, to, tokenId, data],
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opts
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);
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};
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|
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const safeTransferFromWithoutData = function (from, to, tokenId, opts) {
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return this.token.safeTransferFrom(from, to, tokenId, opts);
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};
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|
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const shouldTransferSafely = function (transferFun, data) {
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describe('to a user account', function () {
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shouldTransferTokensByUsers(transferFun);
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});
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|
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describe('to a valid receiver contract', function () {
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beforeEach(async function () {
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this.receiver = await ERC721Receiver.new(RECEIVER_MAGIC_VALUE, false);
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this.to = this.receiver.address;
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});
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|
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shouldTransferTokensByUsers(transferFun);
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|
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it('should call onERC721Received', async function () {
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const result = await transferFun.call(this, owner, this.to, tokenId, { from: owner });
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result.receipt.logs.length.should.be.equal(3);
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const [log] = decodeLogs([result.receipt.logs[2]], ERC721Receiver, this.receiver.address);
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log.event.should.be.eq('Received');
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log.args._address.should.be.equal(owner);
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log.args._tokenId.toNumber().should.be.equal(tokenId);
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log.args._data.should.be.equal(data);
|
||||
});
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||||
});
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||||
};
|
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|
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describe('with data', function () {
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shouldTransferSafely(safeTransferFromWithData, data);
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});
|
||||
|
||||
describe('without data', function () {
|
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shouldTransferSafely(safeTransferFromWithoutData, '0x');
|
||||
});
|
||||
|
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describe('to a receiver contract returning unexpected value', function () {
|
||||
it('reverts', async function () {
|
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const invalidReceiver = await ERC721Receiver.new('0x42', false);
|
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await assertRevert(this.token.safeTransferFrom(owner, invalidReceiver.address, tokenId, { from: owner }));
|
||||
});
|
||||
});
|
||||
|
||||
describe('to a receiver contract that throws', function () {
|
||||
it('reverts', async function () {
|
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const invalidReceiver = await ERC721Receiver.new(RECEIVER_MAGIC_VALUE, true);
|
||||
await assertRevert(this.token.safeTransferFrom(owner, invalidReceiver.address, tokenId, { from: owner }));
|
||||
});
|
||||
});
|
||||
|
||||
describe('to a contract that does not implement the required function', function () {
|
||||
it('reverts', async function () {
|
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const invalidReceiver = this.token;
|
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await assertRevert(this.token.safeTransferFrom(owner, invalidReceiver.address, tokenId, { from: owner }));
|
||||
});
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('approve', function () {
|
||||
const tokenId = firstTokenId;
|
||||
const sender = creator;
|
||||
const to = accounts[1];
|
||||
|
||||
let logs = null;
|
||||
|
||||
const itClearsApproval = function () {
|
||||
it('clears approval for the token', async function () {
|
||||
const approvedAccount = await this.token.getApproved(tokenId);
|
||||
approvedAccount.should.be.equal(ZERO_ADDRESS);
|
||||
});
|
||||
};
|
||||
|
||||
const itApproves = function (address) {
|
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it('sets the approval for the target address', async function () {
|
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const approvedAccount = await this.token.getApproved(tokenId);
|
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approvedAccount.should.be.equal(address);
|
||||
});
|
||||
};
|
||||
|
||||
const itEmitsApprovalEvent = function (address) {
|
||||
it('emits an approval event', async function () {
|
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logs.length.should.be.equal(1);
|
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logs[0].event.should.be.eq('Approval');
|
||||
logs[0].args._owner.should.be.equal(sender);
|
||||
logs[0].args._approved.should.be.equal(address);
|
||||
logs[0].args._tokenId.should.be.bignumber.equal(tokenId);
|
||||
});
|
||||
};
|
||||
|
||||
describe('when clearing approval', function () {
|
||||
describe('when there was no prior approval', function () {
|
||||
beforeEach(async function () {
|
||||
({ logs } = await this.token.approve(ZERO_ADDRESS, tokenId, { from: sender }));
|
||||
});
|
||||
|
||||
itClearsApproval();
|
||||
|
||||
it('does not emit an approval event', async function () {
|
||||
logs.length.should.be.equal(0);
|
||||
});
|
||||
});
|
||||
|
||||
describe('when there was a prior approval', function () {
|
||||
beforeEach(async function () {
|
||||
await this.token.approve(to, tokenId, { from: sender });
|
||||
({ logs } = await this.token.approve(ZERO_ADDRESS, tokenId, { from: sender }));
|
||||
});
|
||||
|
||||
itClearsApproval();
|
||||
itEmitsApprovalEvent(ZERO_ADDRESS);
|
||||
});
|
||||
});
|
||||
|
||||
describe('when approving a non-zero address', function () {
|
||||
describe('when there was no prior approval', function () {
|
||||
beforeEach(async function () {
|
||||
({ logs } = await this.token.approve(to, tokenId, { from: sender }));
|
||||
});
|
||||
|
||||
itApproves(to);
|
||||
itEmitsApprovalEvent(to);
|
||||
});
|
||||
|
||||
describe('when there was a prior approval to the same address', function () {
|
||||
beforeEach(async function () {
|
||||
await this.token.approve(to, tokenId, { from: sender });
|
||||
({ logs } = await this.token.approve(to, tokenId, { from: sender }));
|
||||
});
|
||||
|
||||
itApproves(to);
|
||||
itEmitsApprovalEvent(to);
|
||||
});
|
||||
|
||||
describe('when there was a prior approval to a different address', function () {
|
||||
beforeEach(async function () {
|
||||
await this.token.approve(accounts[2], tokenId, { from: sender });
|
||||
({ logs } = await this.token.approve(to, tokenId, { from: sender }));
|
||||
});
|
||||
|
||||
itApproves(to);
|
||||
itEmitsApprovalEvent(to);
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the address that receives the approval is the owner', function () {
|
||||
it('reverts', async function () {
|
||||
await assertRevert(this.token.approve(sender, tokenId, { from: sender }));
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the sender does not own the given token ID', function () {
|
||||
it('reverts', async function () {
|
||||
await assertRevert(this.token.approve(to, tokenId, { from: accounts[2] }));
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the sender is approved for the given token ID', function () {
|
||||
it('reverts', async function () {
|
||||
await this.token.approve(accounts[2], tokenId, { from: sender });
|
||||
await assertRevert(this.token.approve(to, tokenId, { from: accounts[2] }));
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the sender is an operator', function () {
|
||||
const operator = accounts[2];
|
||||
beforeEach(async function () {
|
||||
await this.token.setApprovalForAll(operator, true, { from: sender });
|
||||
({ logs } = await this.token.approve(to, tokenId, { from: operator }));
|
||||
});
|
||||
|
||||
itApproves(to);
|
||||
itEmitsApprovalEvent(to);
|
||||
});
|
||||
|
||||
describe('when the given token ID does not exist', function () {
|
||||
it('reverts', async function () {
|
||||
await assertRevert(this.token.approve(to, unknownTokenId, { from: sender }));
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('setApprovalForAll', function () {
|
||||
const sender = creator;
|
||||
|
||||
describe('when the operator willing to approve is not the owner', function () {
|
||||
const operator = accounts[1];
|
||||
|
||||
describe('when there is no operator approval set by the sender', function () {
|
||||
it('approves the operator', async function () {
|
||||
await this.token.setApprovalForAll(operator, true, { from: sender });
|
||||
|
||||
const isApproved = await this.token.isApprovedForAll(sender, operator);
|
||||
isApproved.should.be.true;
|
||||
});
|
||||
|
||||
it('emits an approval event', async function () {
|
||||
const { logs } = await this.token.setApprovalForAll(operator, true, { from: sender });
|
||||
|
||||
logs.length.should.be.equal(1);
|
||||
logs[0].event.should.be.eq('ApprovalForAll');
|
||||
logs[0].args._owner.should.be.equal(sender);
|
||||
logs[0].args._operator.should.be.equal(operator);
|
||||
logs[0].args._approved.should.be.true;
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the operator was set as not approved', function () {
|
||||
beforeEach(async function () {
|
||||
await this.token.setApprovalForAll(operator, false, { from: sender });
|
||||
});
|
||||
|
||||
it('approves the operator', async function () {
|
||||
await this.token.setApprovalForAll(operator, true, { from: sender });
|
||||
|
||||
const isApproved = await this.token.isApprovedForAll(sender, operator);
|
||||
isApproved.should.be.true;
|
||||
});
|
||||
|
||||
it('emits an approval event', async function () {
|
||||
const { logs } = await this.token.setApprovalForAll(operator, true, { from: sender });
|
||||
|
||||
logs.length.should.be.equal(1);
|
||||
logs[0].event.should.be.eq('ApprovalForAll');
|
||||
logs[0].args._owner.should.be.equal(sender);
|
||||
logs[0].args._operator.should.be.equal(operator);
|
||||
logs[0].args._approved.should.be.true;
|
||||
});
|
||||
|
||||
it('can unset the operator approval', async function () {
|
||||
await this.token.setApprovalForAll(operator, false, { from: sender });
|
||||
|
||||
const isApproved = await this.token.isApprovedForAll(sender, operator);
|
||||
isApproved.should.be.false;
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the operator was already approved', function () {
|
||||
beforeEach(async function () {
|
||||
await this.token.setApprovalForAll(operator, true, { from: sender });
|
||||
});
|
||||
|
||||
it('keeps the approval to the given address', async function () {
|
||||
await this.token.setApprovalForAll(operator, true, { from: sender });
|
||||
|
||||
const isApproved = await this.token.isApprovedForAll(sender, operator);
|
||||
isApproved.should.be.true;
|
||||
});
|
||||
|
||||
it('emits an approval event', async function () {
|
||||
const { logs } = await this.token.setApprovalForAll(operator, true, { from: sender });
|
||||
|
||||
logs.length.should.be.equal(1);
|
||||
logs[0].event.should.be.eq('ApprovalForAll');
|
||||
logs[0].args._owner.should.be.equal(sender);
|
||||
logs[0].args._operator.should.be.equal(operator);
|
||||
logs[0].args._approved.should.be.true;
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the operator is the owner', function () {
|
||||
const operator = creator;
|
||||
|
||||
it('reverts', async function () {
|
||||
await assertRevert(this.token.setApprovalForAll(operator, true, { from: sender }));
|
||||
});
|
||||
});
|
||||
});
|
||||
});
|
||||
};
|
||||
19
test/token/ERC721/ERC721BasicToken.test.js
Normal file
19
test/token/ERC721/ERC721BasicToken.test.js
Normal file
@ -0,0 +1,19 @@
|
||||
import shouldBehaveLikeERC721BasicToken from './ERC721BasicToken.behaviour';
|
||||
import shouldMintAndBurnERC721Token from './ERC721MintBurn.behaviour';
|
||||
|
||||
const BigNumber = web3.BigNumber;
|
||||
const ERC721BasicToken = artifacts.require('ERC721BasicTokenMock.sol');
|
||||
|
||||
require('chai')
|
||||
.use(require('chai-as-promised'))
|
||||
.use(require('chai-bignumber')(BigNumber))
|
||||
.should();
|
||||
|
||||
contract('ERC721BasicToken', function (accounts) {
|
||||
beforeEach(async function () {
|
||||
this.token = await ERC721BasicToken.new({ from: accounts[0] });
|
||||
});
|
||||
|
||||
shouldBehaveLikeERC721BasicToken(accounts);
|
||||
shouldMintAndBurnERC721Token(accounts);
|
||||
});
|
||||
122
test/token/ERC721/ERC721MintBurn.behaviour.js
Normal file
122
test/token/ERC721/ERC721MintBurn.behaviour.js
Normal file
@ -0,0 +1,122 @@
|
||||
import assertRevert from '../../helpers/assertRevert';
|
||||
const BigNumber = web3.BigNumber;
|
||||
|
||||
require('chai')
|
||||
.use(require('chai-as-promised'))
|
||||
.use(require('chai-bignumber')(BigNumber))
|
||||
.should();
|
||||
|
||||
export default function shouldMintAndBurnERC721Token (accounts) {
|
||||
const firstTokenId = 1;
|
||||
const secondTokenId = 2;
|
||||
const unknownTokenId = 3;
|
||||
const creator = accounts[0];
|
||||
const ZERO_ADDRESS = '0x0000000000000000000000000000000000000000';
|
||||
|
||||
describe('like a mintable and burnable ERC721Token', function () {
|
||||
beforeEach(async function () {
|
||||
await this.token.mint(creator, firstTokenId, { from: creator });
|
||||
await this.token.mint(creator, secondTokenId, { from: creator });
|
||||
});
|
||||
|
||||
describe('mint', function () {
|
||||
const to = accounts[1];
|
||||
const tokenId = unknownTokenId;
|
||||
let logs = null;
|
||||
|
||||
describe('when successful', function () {
|
||||
beforeEach(async function () {
|
||||
const result = await this.token.mint(to, tokenId);
|
||||
logs = result.logs;
|
||||
});
|
||||
|
||||
it('assigns the token to the new owner', async function () {
|
||||
const owner = await this.token.ownerOf(tokenId);
|
||||
owner.should.be.equal(to);
|
||||
});
|
||||
|
||||
it('increases the balance of its owner', async function () {
|
||||
const balance = await this.token.balanceOf(to);
|
||||
balance.should.be.bignumber.equal(1);
|
||||
});
|
||||
|
||||
it('emits a transfer event', async function () {
|
||||
logs.length.should.be.equal(1);
|
||||
logs[0].event.should.be.eq('Transfer');
|
||||
logs[0].args._from.should.be.equal(ZERO_ADDRESS);
|
||||
logs[0].args._to.should.be.equal(to);
|
||||
logs[0].args._tokenId.should.be.bignumber.equal(tokenId);
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the given owner address is the zero address', function () {
|
||||
it('reverts', async function () {
|
||||
await assertRevert(this.token.mint(ZERO_ADDRESS, tokenId));
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the given token ID was already tracked by this contract', function () {
|
||||
it('reverts', async function () {
|
||||
await assertRevert(this.token.mint(accounts[1], firstTokenId));
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('burn', function () {
|
||||
const tokenId = firstTokenId;
|
||||
const sender = creator;
|
||||
let logs = null;
|
||||
|
||||
describe('when successful', function () {
|
||||
beforeEach(async function () {
|
||||
const result = await this.token.burn(tokenId, { from: sender });
|
||||
logs = result.logs;
|
||||
});
|
||||
|
||||
it('burns the given token ID and adjusts the balance of the owner', async function () {
|
||||
await assertRevert(this.token.ownerOf(tokenId));
|
||||
const balance = await this.token.balanceOf(sender);
|
||||
balance.should.be.bignumber.equal(1);
|
||||
});
|
||||
|
||||
it('emits a burn event', async function () {
|
||||
logs.length.should.be.equal(1);
|
||||
logs[0].event.should.be.eq('Transfer');
|
||||
logs[0].args._from.should.be.equal(sender);
|
||||
logs[0].args._to.should.be.equal(ZERO_ADDRESS);
|
||||
logs[0].args._tokenId.should.be.bignumber.equal(tokenId);
|
||||
});
|
||||
});
|
||||
|
||||
describe('when there is a previous approval', function () {
|
||||
beforeEach(async function () {
|
||||
await this.token.approve(accounts[1], tokenId, { from: sender });
|
||||
const result = await this.token.burn(tokenId, { from: sender });
|
||||
logs = result.logs;
|
||||
});
|
||||
|
||||
it('clears the approval', async function () {
|
||||
const approvedAccount = await this.token.getApproved(tokenId);
|
||||
approvedAccount.should.be.equal(ZERO_ADDRESS);
|
||||
});
|
||||
|
||||
it('emits an approval event', async function () {
|
||||
logs.length.should.be.equal(2);
|
||||
|
||||
logs[0].event.should.be.eq('Approval');
|
||||
logs[0].args._owner.should.be.equal(sender);
|
||||
logs[0].args._approved.should.be.equal(ZERO_ADDRESS);
|
||||
logs[0].args._tokenId.should.be.bignumber.equal(tokenId);
|
||||
|
||||
logs[1].event.should.be.eq('Transfer');
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the given token ID was not tracked by this contract', function () {
|
||||
it('reverts', async function () {
|
||||
await assertRevert(this.token.burn(unknownTokenId, { from: creator }));
|
||||
});
|
||||
});
|
||||
});
|
||||
});
|
||||
};
|
||||
@ -1,4 +1,8 @@
|
||||
import assertRevert from '../../helpers/assertRevert';
|
||||
import shouldBehaveLikeERC721BasicToken from './ERC721BasicToken.behaviour';
|
||||
import shouldMintAndBurnERC721Token from './ERC721MintBurn.behaviour';
|
||||
import _ from 'lodash';
|
||||
|
||||
const BigNumber = web3.BigNumber;
|
||||
const ERC721Token = artifacts.require('ERC721TokenMock.sol');
|
||||
|
||||
@ -7,527 +11,188 @@ require('chai')
|
||||
.use(require('chai-bignumber')(BigNumber))
|
||||
.should();
|
||||
|
||||
contract('ERC721Token', accounts => {
|
||||
let token = null;
|
||||
const _firstTokenId = 1;
|
||||
const _secondTokenId = 2;
|
||||
const _unknownTokenId = 3;
|
||||
const _creator = accounts[0];
|
||||
const ZERO_ADDRESS = '0x0000000000000000000000000000000000000000';
|
||||
contract('ERC721Token', function (accounts) {
|
||||
const name = 'Non Fungible Token';
|
||||
const symbol = 'NFT';
|
||||
const firstTokenId = 100;
|
||||
const secondTokenId = 200;
|
||||
const creator = accounts[0];
|
||||
|
||||
beforeEach(async function () {
|
||||
token = await ERC721Token.new({ from: _creator });
|
||||
await token.mint(_creator, _firstTokenId, { from: _creator });
|
||||
await token.mint(_creator, _secondTokenId, { from: _creator });
|
||||
this.token = await ERC721Token.new(name, symbol, { from: creator });
|
||||
});
|
||||
|
||||
describe('totalSupply', function () {
|
||||
it('has a total supply equivalent to the inital supply', async function () {
|
||||
const totalSupply = await token.totalSupply();
|
||||
totalSupply.should.be.bignumber.equal(2);
|
||||
});
|
||||
});
|
||||
shouldBehaveLikeERC721BasicToken(accounts);
|
||||
shouldMintAndBurnERC721Token(accounts);
|
||||
|
||||
describe('balanceOf', function () {
|
||||
describe('when the given address owns some tokens', function () {
|
||||
it('returns the amount of tokens owned by the given address', async function () {
|
||||
const balance = await token.balanceOf(_creator);
|
||||
balance.should.be.bignumber.equal(2);
|
||||
});
|
||||
describe('like a full ERC721', function () {
|
||||
beforeEach(async function () {
|
||||
await this.token.mint(creator, firstTokenId, { from: creator });
|
||||
await this.token.mint(creator, secondTokenId, { from: creator });
|
||||
});
|
||||
|
||||
describe('when the given address does not own any tokens', function () {
|
||||
it('returns 0', async function () {
|
||||
const balance = await token.balanceOf(accounts[1]);
|
||||
balance.should.be.bignumber.equal(0);
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('ownerOf', function () {
|
||||
describe('when the given token ID was tracked by this token', function () {
|
||||
const tokenId = _firstTokenId;
|
||||
|
||||
it('returns the owner of the given token ID', async function () {
|
||||
const owner = await token.ownerOf(tokenId);
|
||||
owner.should.be.equal(_creator);
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the given token ID was not tracked by this token', function () {
|
||||
const tokenId = _unknownTokenId;
|
||||
|
||||
it('reverts', async function () {
|
||||
await assertRevert(token.ownerOf(tokenId));
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('mint', function () {
|
||||
describe('when the given token ID was not tracked by this contract', function () {
|
||||
const tokenId = _unknownTokenId;
|
||||
|
||||
describe('when the given address is not the zero address', function () {
|
||||
const to = accounts[1];
|
||||
|
||||
it('mints the given token ID to the given address', async function () {
|
||||
const previousBalance = await token.balanceOf(to);
|
||||
|
||||
await token.mint(to, tokenId);
|
||||
|
||||
const owner = await token.ownerOf(tokenId);
|
||||
owner.should.be.equal(to);
|
||||
|
||||
const balance = await token.balanceOf(to);
|
||||
balance.should.be.bignumber.equal(previousBalance + 1);
|
||||
});
|
||||
|
||||
it('adds that token to the token list of the owner', async function () {
|
||||
await token.mint(to, tokenId);
|
||||
|
||||
const tokens = await token.tokensOf(to);
|
||||
tokens.length.should.be.equal(1);
|
||||
tokens[0].should.be.bignumber.equal(tokenId);
|
||||
});
|
||||
|
||||
it('emits a transfer event', async function () {
|
||||
const { logs } = await token.mint(to, tokenId);
|
||||
|
||||
logs.length.should.be.equal(1);
|
||||
logs[0].event.should.be.eq('Transfer');
|
||||
logs[0].args._from.should.be.equal(ZERO_ADDRESS);
|
||||
logs[0].args._to.should.be.equal(to);
|
||||
logs[0].args._tokenId.should.be.bignumber.equal(tokenId);
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the given address is the zero address', function () {
|
||||
const to = ZERO_ADDRESS;
|
||||
|
||||
it('reverts', async function () {
|
||||
await assertRevert(token.mint(to, tokenId));
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the given token ID was already tracked by this contract', function () {
|
||||
const tokenId = _firstTokenId;
|
||||
|
||||
it('reverts', async function () {
|
||||
await assertRevert(token.mint(accounts[1], tokenId));
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('burn', function () {
|
||||
describe('when the given token ID was tracked by this contract', function () {
|
||||
const tokenId = _firstTokenId;
|
||||
|
||||
describe('when the msg.sender owns given token', function () {
|
||||
const sender = _creator;
|
||||
|
||||
it('burns the given token ID and adjusts the balance of the owner', async function () {
|
||||
const previousBalance = await token.balanceOf(sender);
|
||||
|
||||
await token.burn(tokenId, { from: sender });
|
||||
|
||||
await assertRevert(token.ownerOf(tokenId));
|
||||
const balance = await token.balanceOf(sender);
|
||||
balance.should.be.bignumber.equal(previousBalance - 1);
|
||||
});
|
||||
|
||||
it('removes that token from the token list of the owner', async function () {
|
||||
await token.burn(tokenId, { from: sender });
|
||||
|
||||
const tokens = await token.tokensOf(sender);
|
||||
tokens.length.should.be.equal(1);
|
||||
tokens[0].should.be.bignumber.equal(_secondTokenId);
|
||||
});
|
||||
|
||||
it('emits a burn event', async function () {
|
||||
const { logs } = await token.burn(tokenId, { from: sender });
|
||||
|
||||
logs.length.should.be.equal(1);
|
||||
logs[0].event.should.be.eq('Transfer');
|
||||
logs[0].args._from.should.be.equal(sender);
|
||||
logs[0].args._to.should.be.equal(ZERO_ADDRESS);
|
||||
logs[0].args._tokenId.should.be.bignumber.equal(tokenId);
|
||||
});
|
||||
|
||||
describe('when there is an approval for the given token ID', function () {
|
||||
beforeEach(async function () {
|
||||
await token.approve(accounts[1], tokenId, { from: sender });
|
||||
});
|
||||
|
||||
it('clears the approval', async function () {
|
||||
await token.burn(tokenId, { from: sender });
|
||||
const approvedAccount = await token.approvedFor(tokenId);
|
||||
approvedAccount.should.be.equal(ZERO_ADDRESS);
|
||||
});
|
||||
|
||||
it('emits an approval event', async function () {
|
||||
const { logs } = await token.burn(tokenId, { from: sender });
|
||||
|
||||
logs.length.should.be.equal(2);
|
||||
|
||||
logs[0].event.should.be.eq('Approval');
|
||||
logs[0].args._owner.should.be.equal(sender);
|
||||
logs[0].args._approved.should.be.equal(ZERO_ADDRESS);
|
||||
logs[0].args._tokenId.should.be.bignumber.equal(tokenId);
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the msg.sender does not own given token', function () {
|
||||
const sender = accounts[1];
|
||||
|
||||
it('reverts', async function () {
|
||||
await assertRevert(token.burn(tokenId, { from: sender }));
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the given token ID was not tracked by this contract', function () {
|
||||
const tokenID = _unknownTokenId;
|
||||
|
||||
it('reverts', async function () {
|
||||
await assertRevert(token.burn(tokenID, { from: _creator }));
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('transfer', function () {
|
||||
describe('when the address to transfer the token to is not the zero address', function () {
|
||||
describe('mint', function () {
|
||||
const to = accounts[1];
|
||||
const tokenId = 3;
|
||||
|
||||
describe('when the given token ID was tracked by this token', function () {
|
||||
const tokenId = _firstTokenId;
|
||||
beforeEach(async function () {
|
||||
await this.token.mint(to, tokenId);
|
||||
});
|
||||
|
||||
describe('when the msg.sender is the owner of the given token ID', function () {
|
||||
const sender = _creator;
|
||||
it('adjusts owner tokens by index', async function () {
|
||||
const token = await this.token.tokenOfOwnerByIndex(to, 0);
|
||||
token.toNumber().should.be.equal(tokenId);
|
||||
});
|
||||
|
||||
it('transfers the ownership of the given token ID to the given address', async function () {
|
||||
await token.transfer(to, tokenId, { from: sender });
|
||||
it('adjusts all tokens list', async function () {
|
||||
const newToken = await this.token.tokenByIndex(2);
|
||||
newToken.toNumber().should.be.equal(tokenId);
|
||||
});
|
||||
});
|
||||
|
||||
const newOwner = await token.ownerOf(tokenId);
|
||||
newOwner.should.be.equal(to);
|
||||
});
|
||||
describe('burn', function () {
|
||||
const tokenId = firstTokenId;
|
||||
const sender = creator;
|
||||
|
||||
it('clears the approval for the token ID', async function () {
|
||||
await token.approve(accounts[2], tokenId, { from: sender });
|
||||
beforeEach(async function () {
|
||||
await this.token.burn(tokenId, { from: sender });
|
||||
});
|
||||
|
||||
await token.transfer(to, tokenId, { from: sender });
|
||||
it('removes that token from the token list of the owner', async function () {
|
||||
const token = await this.token.tokenOfOwnerByIndex(sender, 0);
|
||||
token.toNumber().should.be.equal(secondTokenId);
|
||||
});
|
||||
|
||||
const approvedAccount = await token.approvedFor(tokenId);
|
||||
approvedAccount.should.be.equal(ZERO_ADDRESS);
|
||||
});
|
||||
it('adjusts all tokens list', async function () {
|
||||
const token = await this.token.tokenByIndex(0);
|
||||
token.toNumber().should.be.equal(secondTokenId);
|
||||
});
|
||||
|
||||
it('emits an approval and transfer events', async function () {
|
||||
const { logs } = await token.transfer(to, tokenId, { from: sender });
|
||||
it('burns all tokens', async function () {
|
||||
await this.token.burn(secondTokenId, { from: sender });
|
||||
const total = await this.token.totalSupply();
|
||||
total.toNumber().should.be.equal(0);
|
||||
await assertRevert(this.token.tokenByIndex(0));
|
||||
});
|
||||
});
|
||||
|
||||
describe('metadata', function () {
|
||||
const sampleUri = 'mock://mytoken';
|
||||
|
||||
logs.length.should.be.equal(2);
|
||||
it('has a name', async function () {
|
||||
const name = await this.token.name();
|
||||
name.should.be.equal(name);
|
||||
});
|
||||
|
||||
logs[0].event.should.be.eq('Approval');
|
||||
logs[0].args._owner.should.be.equal(sender);
|
||||
logs[0].args._approved.should.be.equal(ZERO_ADDRESS);
|
||||
logs[0].args._tokenId.should.be.bignumber.equal(tokenId);
|
||||
it('has a symbol', async function () {
|
||||
const symbol = await this.token.symbol();
|
||||
symbol.should.be.equal(symbol);
|
||||
});
|
||||
|
||||
logs[1].event.should.be.eq('Transfer');
|
||||
logs[1].args._from.should.be.equal(sender);
|
||||
logs[1].args._to.should.be.equal(to);
|
||||
logs[1].args._tokenId.should.be.bignumber.equal(tokenId);
|
||||
});
|
||||
it('sets and returns metadata for a token id', async function () {
|
||||
await this.token.setTokenURI(firstTokenId, sampleUri);
|
||||
const uri = await this.token.tokenURI(firstTokenId);
|
||||
uri.should.be.equal(sampleUri);
|
||||
});
|
||||
|
||||
it('adjusts owners balances', async function () {
|
||||
const previousBalance = await token.balanceOf(sender);
|
||||
await token.transfer(to, tokenId, { from: sender });
|
||||
it('can burn token with metadata', async function () {
|
||||
await this.token.setTokenURI(firstTokenId, sampleUri);
|
||||
await this.token.burn(firstTokenId);
|
||||
const exists = await this.token.exists(firstTokenId);
|
||||
exists.should.be.false;
|
||||
});
|
||||
|
||||
const newOwnerBalance = await token.balanceOf(to);
|
||||
newOwnerBalance.should.be.bignumber.equal(1);
|
||||
it('returns empty metadata for token', async function () {
|
||||
const uri = await this.token.tokenURI(firstTokenId);
|
||||
uri.should.be.equal('');
|
||||
});
|
||||
|
||||
const previousOwnerBalance = await token.balanceOf(_creator);
|
||||
previousOwnerBalance.should.be.bignumber.equal(previousBalance - 1);
|
||||
});
|
||||
it('reverts when querying metadata for non existant token id', async function () {
|
||||
await assertRevert(this.token.tokenURI(500));
|
||||
});
|
||||
});
|
||||
|
||||
it('adds the token to the tokens list of the new owner', async function () {
|
||||
await token.transfer(to, tokenId, { from: sender });
|
||||
describe('totalSupply', function () {
|
||||
it('returns total token supply', async function () {
|
||||
const totalSupply = await this.token.totalSupply();
|
||||
totalSupply.should.be.bignumber.equal(2);
|
||||
});
|
||||
});
|
||||
|
||||
const tokenIDs = await token.tokensOf(to);
|
||||
tokenIDs.length.should.be.equal(1);
|
||||
tokenIDs[0].should.be.bignumber.equal(tokenId);
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the msg.sender is not the owner of the given token ID', function () {
|
||||
const sender = accounts[2];
|
||||
|
||||
it('reverts', async function () {
|
||||
await assertRevert(token.transfer(to, tokenId, { from: sender }));
|
||||
});
|
||||
describe('tokenOfOwnerByIndex', function () {
|
||||
const owner = creator;
|
||||
const another = accounts[1];
|
||||
|
||||
describe('when the given index is lower than the amount of tokens owned by the given address', function () {
|
||||
it('returns the token ID placed at the given index', async function () {
|
||||
const tokenId = await this.token.tokenOfOwnerByIndex(owner, 0);
|
||||
tokenId.should.be.bignumber.equal(firstTokenId);
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the given token ID was not tracked by this token', function () {
|
||||
let tokenId = _unknownTokenId;
|
||||
|
||||
describe('when the index is greater than or equal to the total tokens owned by the given address', function () {
|
||||
it('reverts', async function () {
|
||||
await assertRevert(token.transfer(to, tokenId, { from: _creator }));
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the address to transfer the token to is the zero address', function () {
|
||||
const to = ZERO_ADDRESS;
|
||||
|
||||
it('reverts', async function () {
|
||||
await assertRevert(token.transfer(to, 0, { from: _creator }));
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('approve', function () {
|
||||
describe('when the given token ID was already tracked by this contract', function () {
|
||||
const tokenId = _firstTokenId;
|
||||
|
||||
describe('when the sender owns the given token ID', function () {
|
||||
const sender = _creator;
|
||||
|
||||
describe('when the address that receives the approval is the 0 address', function () {
|
||||
const to = ZERO_ADDRESS;
|
||||
|
||||
describe('when there was no approval for the given token ID before', function () {
|
||||
it('clears the approval for that token', async function () {
|
||||
await token.approve(to, tokenId, { from: sender });
|
||||
|
||||
const approvedAccount = await token.approvedFor(tokenId);
|
||||
approvedAccount.should.be.equal(to);
|
||||
});
|
||||
|
||||
it('does not emit an approval event', async function () {
|
||||
const { logs } = await token.approve(to, tokenId, { from: sender });
|
||||
|
||||
logs.length.should.be.equal(0);
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the given token ID was approved for another account', function () {
|
||||
beforeEach(async function () {
|
||||
await token.approve(accounts[2], tokenId, { from: sender });
|
||||
});
|
||||
|
||||
it('clears the approval for the token ID', async function () {
|
||||
await token.approve(to, tokenId, { from: sender });
|
||||
|
||||
const approvedAccount = await token.approvedFor(tokenId);
|
||||
approvedAccount.should.be.equal(to);
|
||||
});
|
||||
|
||||
it('emits an approval event', async function () {
|
||||
const { logs } = await token.approve(to, tokenId, { from: sender });
|
||||
|
||||
logs.length.should.be.equal(1);
|
||||
logs[0].event.should.be.eq('Approval');
|
||||
logs[0].args._owner.should.be.equal(sender);
|
||||
logs[0].args._approved.should.be.equal(to);
|
||||
logs[0].args._tokenId.should.be.bignumber.equal(tokenId);
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the address that receives the approval is not the 0 address', function () {
|
||||
describe('when the address that receives the approval is different than the owner', function () {
|
||||
const to = accounts[1];
|
||||
|
||||
describe('when there was no approval for the given token ID before', function () {
|
||||
it('approves the token ID to the given address', async function () {
|
||||
await token.approve(to, tokenId, { from: sender });
|
||||
|
||||
const approvedAccount = await token.approvedFor(tokenId);
|
||||
approvedAccount.should.be.equal(to);
|
||||
});
|
||||
|
||||
it('emits an approval event', async function () {
|
||||
const { logs } = await token.approve(to, tokenId, { from: sender });
|
||||
|
||||
logs.length.should.be.equal(1);
|
||||
logs[0].event.should.be.eq('Approval');
|
||||
logs[0].args._owner.should.be.equal(sender);
|
||||
logs[0].args._approved.should.be.equal(to);
|
||||
logs[0].args._tokenId.should.be.bignumber.equal(tokenId);
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the given token ID was approved for the same account', function () {
|
||||
beforeEach(async function () {
|
||||
await token.approve(to, tokenId, { from: sender });
|
||||
});
|
||||
|
||||
it('keeps the approval to the given address', async function () {
|
||||
await token.approve(to, tokenId, { from: sender });
|
||||
|
||||
const approvedAccount = await token.approvedFor(tokenId);
|
||||
approvedAccount.should.be.equal(to);
|
||||
});
|
||||
|
||||
it('emits an approval event', async function () {
|
||||
const { logs } = await token.approve(to, tokenId, { from: sender });
|
||||
|
||||
logs.length.should.be.equal(1);
|
||||
logs[0].event.should.be.eq('Approval');
|
||||
logs[0].args._owner.should.be.equal(sender);
|
||||
logs[0].args._approved.should.be.equal(to);
|
||||
logs[0].args._tokenId.should.be.bignumber.equal(tokenId);
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the given token ID was approved for another account', function () {
|
||||
beforeEach(async function () {
|
||||
await token.approve(accounts[2], tokenId, { from: sender });
|
||||
});
|
||||
|
||||
it('changes the approval to the given address', async function () {
|
||||
await token.approve(to, tokenId, { from: sender });
|
||||
|
||||
const approvedAccount = await token.approvedFor(tokenId);
|
||||
approvedAccount.should.be.equal(to);
|
||||
});
|
||||
|
||||
it('emits an approval event', async function () {
|
||||
const { logs } = await token.approve(to, tokenId, { from: sender });
|
||||
|
||||
logs.length.should.be.equal(1);
|
||||
logs[0].event.should.be.eq('Approval');
|
||||
logs[0].args._owner.should.be.equal(sender);
|
||||
logs[0].args._approved.should.be.equal(to);
|
||||
logs[0].args._tokenId.should.be.bignumber.equal(tokenId);
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the address that receives the approval is the owner', function () {
|
||||
const to = _creator;
|
||||
|
||||
describe('when there was no approval for the given token ID before', function () {
|
||||
it('reverts', async function () {
|
||||
await assertRevert(token.approve(to, tokenId, { from: sender }));
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the given token ID was approved for another account', function () {
|
||||
beforeEach(async function () {
|
||||
await token.approve(accounts[2], tokenId, { from: sender });
|
||||
});
|
||||
|
||||
it('reverts', async function () {
|
||||
await assertRevert(token.approve(to, tokenId, { from: sender }));
|
||||
});
|
||||
});
|
||||
});
|
||||
await assertRevert(this.token.tokenOfOwnerByIndex(owner, 2));
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the sender does not own the given token ID', function () {
|
||||
const sender = accounts[1];
|
||||
|
||||
describe('when the given address does not own any token', function () {
|
||||
it('reverts', async function () {
|
||||
await assertRevert(token.approve(accounts[2], tokenId, { from: sender }));
|
||||
await assertRevert(this.token.tokenOfOwnerByIndex(another, 0));
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the given token ID was not tracked by the contract before', function () {
|
||||
const tokenId = _unknownTokenId;
|
||||
|
||||
it('reverts', async function () {
|
||||
await assertRevert(token.approve(accounts[1], tokenId, { from: _creator }));
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('takeOwnership', function () {
|
||||
describe('when the given token ID was already tracked by this contract', function () {
|
||||
const tokenId = _firstTokenId;
|
||||
|
||||
describe('when the sender has the approval for the token ID', function () {
|
||||
const sender = accounts[1];
|
||||
|
||||
describe('after transferring all tokens to another user', function () {
|
||||
beforeEach(async function () {
|
||||
await token.approve(sender, tokenId, { from: _creator });
|
||||
await this.token.transferFrom(owner, another, firstTokenId, { from: owner });
|
||||
await this.token.transferFrom(owner, another, secondTokenId, { from: owner });
|
||||
});
|
||||
|
||||
it('transfers the ownership of the given token ID to the given address', async function () {
|
||||
await token.takeOwnership(tokenId, { from: sender });
|
||||
|
||||
const newOwner = await token.ownerOf(tokenId);
|
||||
newOwner.should.be.equal(sender);
|
||||
it('returns correct token IDs for target', async function () {
|
||||
const count = await this.token.balanceOf(another);
|
||||
count.toNumber().should.be.equal(2);
|
||||
const tokensListed = await Promise.all(_.range(2).map(i => this.token.tokenOfOwnerByIndex(another, i)));
|
||||
tokensListed.map(t => t.toNumber()).should.have.members([firstTokenId, secondTokenId]);
|
||||
});
|
||||
|
||||
it('clears the approval for the token ID', async function () {
|
||||
await token.takeOwnership(tokenId, { from: sender });
|
||||
|
||||
const approvedAccount = await token.approvedFor(tokenId);
|
||||
approvedAccount.should.be.equal(ZERO_ADDRESS);
|
||||
});
|
||||
|
||||
it('emits an approval and transfer events', async function () {
|
||||
const { logs } = await token.takeOwnership(tokenId, { from: sender });
|
||||
|
||||
logs.length.should.be.equal(2);
|
||||
|
||||
logs[0].event.should.be.eq('Approval');
|
||||
logs[0].args._owner.should.be.equal(_creator);
|
||||
logs[0].args._approved.should.be.equal(ZERO_ADDRESS);
|
||||
logs[0].args._tokenId.should.be.bignumber.equal(tokenId);
|
||||
|
||||
logs[1].event.should.be.eq('Transfer');
|
||||
logs[1].args._from.should.be.equal(_creator);
|
||||
logs[1].args._to.should.be.equal(sender);
|
||||
logs[1].args._tokenId.should.be.bignumber.equal(tokenId);
|
||||
});
|
||||
|
||||
it('adjusts owners balances', async function () {
|
||||
const previousBalance = await token.balanceOf(_creator);
|
||||
|
||||
await token.takeOwnership(tokenId, { from: sender });
|
||||
|
||||
const newOwnerBalance = await token.balanceOf(sender);
|
||||
newOwnerBalance.should.be.bignumber.equal(1);
|
||||
|
||||
const previousOwnerBalance = await token.balanceOf(_creator);
|
||||
previousOwnerBalance.should.be.bignumber.equal(previousBalance - 1);
|
||||
});
|
||||
|
||||
it('adds the token to the tokens list of the new owner', async function () {
|
||||
await token.takeOwnership(tokenId, { from: sender });
|
||||
|
||||
const tokenIDs = await token.tokensOf(sender);
|
||||
tokenIDs.length.should.be.equal(1);
|
||||
tokenIDs[0].should.be.bignumber.equal(tokenId);
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the sender does not have an approval for the token ID', function () {
|
||||
const sender = accounts[1];
|
||||
|
||||
it('reverts', async function () {
|
||||
await assertRevert(token.takeOwnership(tokenId, { from: sender }));
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the sender is already the owner of the token', function () {
|
||||
const sender = _creator;
|
||||
|
||||
it('reverts', async function () {
|
||||
await assertRevert(token.takeOwnership(tokenId, { from: sender }));
|
||||
it('returns empty collection for original owner', async function () {
|
||||
const count = await this.token.balanceOf(owner);
|
||||
count.toNumber().should.be.equal(0);
|
||||
await assertRevert(this.token.tokenOfOwnerByIndex(owner, 0));
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the given token ID was not tracked by the contract before', function () {
|
||||
const tokenId = _unknownTokenId;
|
||||
describe('tokenByIndex', function () {
|
||||
it('should return all tokens', async function () {
|
||||
const tokensListed = await Promise.all(_.range(2).map(i => this.token.tokenByIndex(i)));
|
||||
tokensListed.map(t => t.toNumber()).should.have.members([firstTokenId, secondTokenId]);
|
||||
});
|
||||
|
||||
it('reverts', async function () {
|
||||
await assertRevert(token.takeOwnership(tokenId, { from: _creator }));
|
||||
it('should revert if index is greater than supply', async function () {
|
||||
await assertRevert(this.token.tokenByIndex(2));
|
||||
});
|
||||
|
||||
[firstTokenId, secondTokenId].forEach(function (tokenId) {
|
||||
it(`should return all tokens after burning token ${tokenId} and minting new tokens`, async function () {
|
||||
const owner = accounts[0];
|
||||
const newTokenId = 300;
|
||||
const anotherNewTokenId = 400;
|
||||
|
||||
await this.token.burn(tokenId, { from: owner });
|
||||
await this.token.mint(owner, newTokenId, { from: owner });
|
||||
await this.token.mint(owner, anotherNewTokenId, { from: owner });
|
||||
|
||||
const count = await this.token.totalSupply();
|
||||
count.toNumber().should.be.equal(3);
|
||||
|
||||
const tokensListed = await Promise.all(_.range(3).map(i => this.token.tokenByIndex(i)));
|
||||
const expectedTokens = _.filter(
|
||||
[firstTokenId, secondTokenId, newTokenId, anotherNewTokenId],
|
||||
x => (x !== tokenId)
|
||||
);
|
||||
tokensListed.map(t => t.toNumber()).should.have.members(expectedTokens);
|
||||
});
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
Reference in New Issue
Block a user