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
This commit is contained in:
Santiago Palladino
@ -1,534 +0,0 @@
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import assertRevert from '../../helpers/assertRevert';
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const BigNumber = web3.BigNumber;
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const BaseERC721Token = artifacts.require('BaseERC721TokenMock.sol');
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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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contract('BaseERC721Token', accounts => {
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let token = null;
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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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beforeEach(async function () {
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token = await BaseERC721Token.new({ from: _creator });
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await token.mint(_creator, _firstTokenId, { from: _creator });
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await token.mint(_creator, _secondTokenId, { from: _creator });
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});
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describe('totalSupply', function () {
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it('has a total supply equivalent to the inital supply', async function () {
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const totalSupply = await token.totalSupply();
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totalSupply.should.be.bignumber.equal(2);
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});
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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 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 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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});
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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 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(token.ownerOf(tokenId));
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});
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});
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});
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describe('mint', function () {
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describe('when the given token ID was not tracked by this contract', function () {
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const tokenId = _unknownTokenId;
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describe('when the given address is not the zero address', function () {
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const to = accounts[1];
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it('mints the given token ID to the given address', async function () {
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const previousBalance = await token.balanceOf(to);
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await token.mint(to, tokenId);
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const owner = await token.ownerOf(tokenId);
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owner.should.be.equal(to);
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const balance = await token.balanceOf(to);
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balance.should.be.bignumber.equal(previousBalance + 1);
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});
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it('adds that token to the token list of the owner', async function () {
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await token.mint(to, tokenId);
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const tokens = await token.tokensOf(to);
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tokens.length.should.be.equal(1);
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tokens[0].should.be.bignumber.equal(tokenId);
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});
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it('emits a transfer event', async function () {
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const { logs } = await token.mint(to, tokenId);
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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(ZERO_ADDRESS);
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logs[0].args._to.should.be.equal(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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describe('when the given address is the zero address', function () {
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const to = ZERO_ADDRESS;
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it('reverts', async function () {
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await assertRevert(token.mint(to, tokenId));
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});
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});
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});
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describe('when the given token ID was already tracked by this contract', function () {
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const tokenId = _firstTokenId;
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it('reverts', async function () {
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await assertRevert(token.mint(accounts[1], tokenId));
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});
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});
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});
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describe('burn', function () {
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describe('when the given token ID was tracked by this contract', function () {
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const tokenId = _firstTokenId;
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describe('when the msg.sender owns given token', function () {
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const sender = _creator;
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it('burns the given token ID and adjusts the balance of the owner', async function () {
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const previousBalance = await token.balanceOf(sender);
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await token.burn(tokenId, { from: sender });
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await assertRevert(token.ownerOf(tokenId));
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const balance = await token.balanceOf(sender);
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balance.should.be.bignumber.equal(previousBalance - 1);
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});
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it('removes that token from the token list of the owner', async function () {
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await token.burn(tokenId, { from: sender });
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const tokens = await token.tokensOf(sender);
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tokens.length.should.be.equal(1);
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tokens[0].should.be.bignumber.equal(_secondTokenId);
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});
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it('emits a burn event', async function () {
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const { logs } = await token.burn(tokenId, { from: sender });
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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(sender);
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logs[0].args._to.should.be.equal(ZERO_ADDRESS);
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logs[0].args._tokenId.should.be.bignumber.equal(tokenId);
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});
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describe('when there is an approval for the given token ID', function () {
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beforeEach(async function () {
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await token.approve(accounts[1], tokenId, { from: sender });
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});
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it('clears the approval', async function () {
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await token.burn(tokenId, { from: sender });
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const approvedAccount = await token.approvedFor(tokenId);
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approvedAccount.should.be.equal(ZERO_ADDRESS);
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});
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it('emits an approval event', async function () {
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const { logs } = await token.burn(tokenId, { from: sender });
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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(sender);
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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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});
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});
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});
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describe('when the msg.sender does not own given token', function () {
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const sender = accounts[1];
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it('reverts', async function () {
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await assertRevert(token.burn(tokenId, { from: sender }));
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});
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});
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});
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describe('when the given token ID was not tracked by this contract', function () {
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const tokenID = _unknownTokenId;
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it('reverts', async function () {
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await assertRevert(token.burn(tokenID, { from: _creator }));
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});
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});
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});
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describe('transfer', function () {
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describe('when the address to transfer the token to is not the zero address', function () {
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const to = accounts[1];
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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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describe('when the msg.sender is the owner of the given token ID', function () {
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const sender = _creator;
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it('transfers the ownership of the given token ID to the given address', async function () {
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await token.transfer(to, tokenId, { from: sender });
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const newOwner = await token.ownerOf(tokenId);
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newOwner.should.be.equal(to);
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});
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it('clears the approval for the token ID', async function () {
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await token.approve(accounts[2], tokenId, { from: sender });
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await token.transfer(to, tokenId, { from: sender });
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const approvedAccount = await token.approvedFor(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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const { logs } = await token.transfer(to, tokenId, { from: sender });
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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(sender);
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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(sender);
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logs[1].args._to.should.be.equal(to);
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logs[1].args._tokenId.should.be.bignumber.equal(tokenId);
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});
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it('adjusts owners balances', async function () {
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const previousBalance = await token.balanceOf(sender);
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await token.transfer(to, tokenId, { from: sender });
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const newOwnerBalance = await token.balanceOf(to);
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newOwnerBalance.should.be.bignumber.equal(1);
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const previousOwnerBalance = await token.balanceOf(_creator);
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previousOwnerBalance.should.be.bignumber.equal(previousBalance - 1);
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});
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it('adds the token to the tokens list of the new owner', async function () {
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await token.transfer(to, tokenId, { from: sender });
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const tokenIDs = await token.tokensOf(to);
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tokenIDs.length.should.be.equal(1);
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tokenIDs[0].should.be.bignumber.equal(tokenId);
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});
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});
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describe('when the msg.sender is not the owner of the given token ID', function () {
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const sender = accounts[2];
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it('reverts', async function () {
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await assertRevert(token.transfer(to, tokenId, { from: sender }));
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});
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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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let tokenId = _unknownTokenId;
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it('reverts', async function () {
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await assertRevert(token.transfer(to, tokenId, { from: _creator }));
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});
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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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const to = ZERO_ADDRESS;
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it('reverts', async function () {
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await assertRevert(token.transfer(to, 0, { from: _creator }));
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});
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});
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});
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describe('approve', function () {
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describe('when the given token ID was already tracked by this contract', function () {
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const tokenId = _firstTokenId;
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describe('when the sender owns the given token ID', function () {
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const sender = _creator;
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describe('when the address that receives the approval is the 0 address', function () {
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const to = ZERO_ADDRESS;
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describe('when there was no approval for the given token ID before', function () {
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it('clears the approval for that token', async function () {
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await token.approve(to, tokenId, { from: sender });
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const approvedAccount = await token.approvedFor(tokenId);
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approvedAccount.should.be.equal(to);
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});
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it('does not emit an approval event', async function () {
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const { logs } = await token.approve(to, tokenId, { from: sender });
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logs.length.should.be.equal(0);
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});
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});
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describe('when the given token ID was approved for another account', function () {
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beforeEach(async function () {
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await token.approve(accounts[2], tokenId, { from: sender });
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});
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it('clears the approval for the token ID', async function () {
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await token.approve(to, tokenId, { from: sender });
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const approvedAccount = await token.approvedFor(tokenId);
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approvedAccount.should.be.equal(to);
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});
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it('emits an approval event', async function () {
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const { logs } = await token.approve(to, tokenId, { from: sender });
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logs.length.should.be.equal(1);
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logs[0].event.should.be.eq('Approval');
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logs[0].args._owner.should.be.equal(sender);
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logs[0].args._approved.should.be.equal(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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});
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describe('when the address that receives the approval is not the 0 address', function () {
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describe('when the address that receives the approval is different than the owner', function () {
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const to = accounts[1];
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describe('when there was no approval for the given token ID before', function () {
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it('approves the token ID to the given address', async function () {
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await token.approve(to, tokenId, { from: sender });
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const approvedAccount = await token.approvedFor(tokenId);
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approvedAccount.should.be.equal(to);
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});
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it('emits an approval event', async function () {
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const { logs } = await token.approve(to, tokenId, { from: sender });
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logs.length.should.be.equal(1);
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logs[0].event.should.be.eq('Approval');
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logs[0].args._owner.should.be.equal(sender);
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logs[0].args._approved.should.be.equal(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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describe('when the given token ID was approved for the same account', function () {
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beforeEach(async function () {
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await token.approve(to, tokenId, { from: sender });
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});
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it('keeps the approval to the given address', async function () {
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await token.approve(to, tokenId, { from: sender });
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const approvedAccount = await token.approvedFor(tokenId);
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approvedAccount.should.be.equal(to);
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});
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it('emits an approval event', async function () {
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const { logs } = await token.approve(to, tokenId, { from: sender });
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logs.length.should.be.equal(1);
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logs[0].event.should.be.eq('Approval');
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logs[0].args._owner.should.be.equal(sender);
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logs[0].args._approved.should.be.equal(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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describe('when the given token ID was approved for another account', function () {
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beforeEach(async function () {
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await token.approve(accounts[2], tokenId, { from: sender });
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});
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it('changes the approval to the given address', async function () {
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await token.approve(to, tokenId, { from: sender });
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const approvedAccount = await token.approvedFor(tokenId);
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approvedAccount.should.be.equal(to);
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});
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it('emits an approval event', async function () {
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const { logs } = await token.approve(to, tokenId, { from: sender });
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logs.length.should.be.equal(1);
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logs[0].event.should.be.eq('Approval');
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logs[0].args._owner.should.be.equal(sender);
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logs[0].args._approved.should.be.equal(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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});
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describe('when the address that receives the approval is the owner', function () {
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const to = _creator;
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describe('when there was no approval for the given token ID before', function () {
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it('reverts', async function () {
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await assertRevert(token.approve(to, tokenId, { from: sender }));
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});
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});
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describe('when the given token ID was approved for another account', function () {
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beforeEach(async function () {
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await token.approve(accounts[2], tokenId, { from: sender });
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});
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it('reverts', async function () {
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await assertRevert(token.approve(to, tokenId, { from: sender }));
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});
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});
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});
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});
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});
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describe('when the sender does not own the given token ID', function () {
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const sender = accounts[1];
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it('reverts', async function () {
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await assertRevert(token.approve(accounts[2], tokenId, { from: sender }));
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});
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});
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});
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describe('when the given token ID was not tracked by the contract before', function () {
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const tokenId = _unknownTokenId;
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it('reverts', async function () {
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await assertRevert(token.approve(accounts[1], tokenId, { from: _creator }));
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});
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});
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||||
});
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describe('takeOwnership', function () {
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describe('when the given token ID was already tracked by this contract', function () {
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const tokenId = _firstTokenId;
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describe('when the sender has the approval for the token ID', function () {
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const sender = accounts[1];
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beforeEach(async function () {
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await token.approve(sender, tokenId, { from: _creator });
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});
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it('transfers the ownership of the given token ID to the given address', async function () {
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await token.takeOwnership(tokenId, { from: sender });
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const newOwner = await token.ownerOf(tokenId);
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newOwner.should.be.equal(sender);
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});
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it('clears the approval for the token ID', async function () {
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await token.takeOwnership(tokenId, { from: sender });
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const approvedAccount = await token.approvedFor(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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const { logs } = await token.takeOwnership(tokenId, { from: sender });
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logs.length.should.be.equal(2);
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|
||||
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 }));
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the given token ID was not tracked by the contract before', function () {
|
||||
const tokenId = _unknownTokenId;
|
||||
|
||||
it('reverts', async function () {
|
||||
await assertRevert(token.takeOwnership(tokenId, { from: _creator }));
|
||||
});
|
||||
});
|
||||
});
|
||||
});
|
||||
498
test/token/ERC721/ERC721BasicToken.test.js
Normal file
498
test/token/ERC721/ERC721BasicToken.test.js
Normal file
@ -0,0 +1,498 @@
|
||||
import assertRevert from '../../helpers/assertRevert';
|
||||
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', accounts => {
|
||||
let token = null;
|
||||
const _firstTokenId = 1;
|
||||
const _secondTokenId = 2;
|
||||
const _unknownTokenId = 3;
|
||||
const _creator = accounts[0];
|
||||
const ZERO_ADDRESS = '0x0000000000000000000000000000000000000000';
|
||||
|
||||
beforeEach(async function () {
|
||||
token = await ERC721BasicToken.new({ from: _creator });
|
||||
await token.mint(_creator, _firstTokenId, { from: _creator });
|
||||
await token.mint(_creator, _secondTokenId, { from: _creator });
|
||||
});
|
||||
|
||||
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('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('exists', function () {
|
||||
describe('when the token exists', function () {
|
||||
const tokenId = _firstTokenId;
|
||||
|
||||
it('should return true', async function () {
|
||||
const result = await token.exists(tokenId);
|
||||
result.should.be.true;
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the token does not exist', function () {
|
||||
const tokenId = _unknownTokenId;
|
||||
|
||||
it('should return false', async function () {
|
||||
const result = await token.exists(tokenId);
|
||||
result.should.be.false;
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
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 () {
|
||||
const to = accounts[1];
|
||||
const tokenId = _unknownTokenId;
|
||||
let logs = null;
|
||||
|
||||
describe('when successful', function () {
|
||||
beforeEach(async function () {
|
||||
const result = await token.mint(to, tokenId);
|
||||
logs = result.logs;
|
||||
});
|
||||
|
||||
it('assigns the token to the new owner', async function () {
|
||||
const owner = await token.ownerOf(tokenId);
|
||||
owner.should.be.equal(to);
|
||||
});
|
||||
|
||||
it('increases the balance of its owner', async function () {
|
||||
const balance = await token.balanceOf(to);
|
||||
balance.should.be.bignumber.equal(1);
|
||||
});
|
||||
|
||||
it.skip('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 () {
|
||||
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(token.mint(ZERO_ADDRESS, tokenId));
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the given token ID was already tracked by this contract', function () {
|
||||
it('reverts', async function () {
|
||||
await assertRevert(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 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(token.ownerOf(tokenId));
|
||||
const balance = await token.balanceOf(sender);
|
||||
balance.should.be.bignumber.equal(1);
|
||||
});
|
||||
|
||||
it.skip('removes that token from the token list of the owner', async function () {
|
||||
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 () {
|
||||
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 token.approve(accounts[1], tokenId, { from: sender });
|
||||
const result = await token.burn(tokenId, { from: sender });
|
||||
logs = result.logs;
|
||||
});
|
||||
|
||||
it('clears the approval', async function () {
|
||||
const approvedAccount = await 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 msg.sender does not own given token', function () {
|
||||
it('reverts', async function () {
|
||||
await assertRevert(token.burn(tokenId, { from: accounts[1] }));
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the given token ID was not tracked by this contract', function () {
|
||||
it('reverts', async function () {
|
||||
await assertRevert(token.burn(_unknownTokenId, { from: _creator }));
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('transferFrom', function () {
|
||||
const sender = _creator;
|
||||
const from = _creator;
|
||||
const to = accounts[1];
|
||||
const tokenId = _firstTokenId;
|
||||
const approved = accounts[2];
|
||||
let logs = null;
|
||||
|
||||
describe('when successful', function () {
|
||||
beforeEach(async function () {
|
||||
await token.approve(approved, tokenId, { from: sender });
|
||||
const result = await token.transferFrom(from, to, tokenId, { from: sender });
|
||||
logs = result.logs;
|
||||
});
|
||||
|
||||
it('transfers the ownership of the given token ID to the given address', async function () {
|
||||
const newOwner = await token.ownerOf(tokenId);
|
||||
newOwner.should.be.equal(to);
|
||||
});
|
||||
|
||||
it('clears the approval for the token ID', async function () {
|
||||
const approvedAccount = await token.getApproved(tokenId);
|
||||
approvedAccount.should.be.equal(ZERO_ADDRESS);
|
||||
});
|
||||
|
||||
it('emits an approval and transfer events', 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');
|
||||
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('adjusts owners balances', async function () {
|
||||
const newOwnerBalance = await token.balanceOf(to);
|
||||
newOwnerBalance.should.be.bignumber.equal(1);
|
||||
|
||||
const previousOwnerBalance = await token.balanceOf(_creator);
|
||||
previousOwnerBalance.should.be.bignumber.equal(1);
|
||||
});
|
||||
|
||||
it.skip('adds the token to the tokens list of the new owner', async function () {
|
||||
await token.transfer(to, tokenId, { from: sender });
|
||||
|
||||
const tokenIDs = await token.tokensOf(to);
|
||||
tokenIDs.length.should.be.equal(1);
|
||||
tokenIDs[0].should.be.bignumber.equal(tokenId);
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the address of the previous owner is incorrect', function () {
|
||||
it('reverts', async function () {
|
||||
await assertRevert(token.transferFrom(accounts[3], to, tokenId, { from: sender }));
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the msg.sender is not the owner of the given token ID', function () {
|
||||
it('reverts', async function () {
|
||||
await assertRevert(token.transferFrom(from, to, tokenId, { from: accounts[2] }));
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the given token ID does not exist', function () {
|
||||
it('reverts', async function () {
|
||||
await assertRevert(token.transferFrom(from, to, _unknownTokenId, { from: sender }));
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the address to transfer the token to is the zero address', function () {
|
||||
it('reverts', async function () {
|
||||
await assertRevert(token.transferFrom(from, to, _unknownTokenId, { from: sender }));
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('approve', function () {
|
||||
const tokenId = _firstTokenId;
|
||||
const sender = _creator;
|
||||
const to = accounts[1];
|
||||
|
||||
let logs = null;
|
||||
|
||||
describe('when clearing approval', function () {
|
||||
describe('when there was no prior approval', function () {
|
||||
beforeEach(async function () {
|
||||
({ logs } = await token.approve(ZERO_ADDRESS, tokenId, { from: sender }));
|
||||
});
|
||||
|
||||
it('clears the approval for that token', async function () {
|
||||
const approvedAccount = await token.getApproved(tokenId);
|
||||
approvedAccount.should.be.equal(ZERO_ADDRESS);
|
||||
});
|
||||
|
||||
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 token.approve(to, tokenId, { from: sender });
|
||||
({ logs } = await token.approve(ZERO_ADDRESS, tokenId, { from: sender }));
|
||||
});
|
||||
|
||||
it('clears the approval for that token', async function () {
|
||||
const approvedAccount = await token.getApproved(tokenId);
|
||||
approvedAccount.should.be.equal(ZERO_ADDRESS);
|
||||
});
|
||||
|
||||
it('emits an approval event', async function () {
|
||||
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(ZERO_ADDRESS);
|
||||
logs[0].args._tokenId.should.be.bignumber.equal(tokenId);
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('when approving a non-zero address', function () {
|
||||
describe('when there was no prior approval', function () {
|
||||
beforeEach(async function () {
|
||||
({ logs } = await token.approve(to, tokenId, { from: sender }));
|
||||
});
|
||||
|
||||
it('sets the approval for that token', async function () {
|
||||
const approvedAccount = await token.getApproved(tokenId);
|
||||
approvedAccount.should.be.equal(to);
|
||||
});
|
||||
|
||||
it('emits an approval event', async function () {
|
||||
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 there was a prior approval to the same address', function () {
|
||||
beforeEach(async function () {
|
||||
await token.approve(to, tokenId, { from: sender });
|
||||
({ logs } = await token.approve(to, tokenId, { from: sender }));
|
||||
});
|
||||
|
||||
it('keeps the approval for that token', async function () {
|
||||
const approvedAccount = await token.getApproved(tokenId);
|
||||
approvedAccount.should.be.equal(to);
|
||||
});
|
||||
|
||||
it('emits an approval event', async function () {
|
||||
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 there was a prior approval to a different address', function () {
|
||||
beforeEach(async function () {
|
||||
await token.approve(accounts[2], tokenId, { from: sender });
|
||||
({ logs } = await token.approve(to, tokenId, { from: sender }));
|
||||
});
|
||||
|
||||
it('sets the approval for that token', async function () {
|
||||
const approvedAccount = await token.getApproved(tokenId);
|
||||
approvedAccount.should.be.equal(to);
|
||||
});
|
||||
|
||||
it('emits an approval event', async function () {
|
||||
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 () {
|
||||
it('reverts', async function () {
|
||||
await assertRevert(token.approve(sender, tokenId, { from: sender }));
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the sender does not own the given token ID', function () {
|
||||
it('reverts', async function () {
|
||||
await assertRevert(token.approve(to, tokenId, { from: accounts[2] }));
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the sender is approved for the given token ID', function () {
|
||||
it('reverts', async function () {
|
||||
await token.approve(accounts[2], tokenId, { from: sender });
|
||||
await assertRevert(token.approve(to, tokenId, { from: accounts[2] }));
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the given token ID does not exist', function () {
|
||||
it('reverts', async function () {
|
||||
await assertRevert(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 token.setApprovalForAll(operator, true, { from: sender });
|
||||
|
||||
const isApproved = await token.isApprovedForAll(sender, operator);
|
||||
isApproved.should.be.true;
|
||||
});
|
||||
|
||||
it('emits an approval event', async function () {
|
||||
const { logs } = await 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 token.setApprovalForAll(operator, false, { from: sender });
|
||||
});
|
||||
|
||||
it('approves the operator', async function () {
|
||||
await token.setApprovalForAll(operator, true, { from: sender });
|
||||
|
||||
const isApproved = await token.isApprovedForAll(sender, operator);
|
||||
isApproved.should.be.true;
|
||||
});
|
||||
|
||||
it('emits an approval event', async function () {
|
||||
const { logs } = await 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 token.setApprovalForAll(operator, false, { from: sender });
|
||||
|
||||
const isApproved = await token.isApprovedForAll(sender, operator);
|
||||
isApproved.should.be.false;
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the operator was already approved', function () {
|
||||
beforeEach(async function () {
|
||||
await token.setApprovalForAll(operator, true, { from: sender });
|
||||
});
|
||||
|
||||
it('keeps the approval to the given address and does not emit an approval event', async function () {
|
||||
await token.setApprovalForAll(operator, true, { from: sender });
|
||||
|
||||
const isApproved = await token.isApprovedForAll(sender, operator);
|
||||
isApproved.should.be.true;
|
||||
});
|
||||
|
||||
it('emits an approval event', async function () {
|
||||
const { logs } = await 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(token.setApprovalForAll(operator, true, { from: sender }));
|
||||
});
|
||||
});
|
||||
});
|
||||
});
|
||||
@ -13,9 +13,7 @@ contract('ERC721Token', accounts => {
|
||||
const _symbol = 'NFT';
|
||||
const _firstTokenId = 1;
|
||||
const _secondTokenId = 2;
|
||||
const _unknownTokenId = 3;
|
||||
const _creator = accounts[0];
|
||||
const ZERO_ADDRESS = '0x0000000000000000000000000000000000000000';
|
||||
|
||||
beforeEach(async function () {
|
||||
token = await ERC721Token.new(_name, _symbol, { from: _creator });
|
||||
@ -67,376 +65,4 @@ contract('ERC721Token', accounts => {
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('setOperatorApproval', 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 token.setOperatorApproval(operator, true, { from: sender });
|
||||
|
||||
const isApproved = await token.isOperatorApprovedFor(sender, operator);
|
||||
isApproved.should.be.true;
|
||||
});
|
||||
|
||||
it('emits an approval event', async function () {
|
||||
const { logs } = await token.setOperatorApproval(operator, true, { from: sender });
|
||||
|
||||
logs.length.should.be.equal(1);
|
||||
logs[0].event.should.be.eq('OperatorApproval');
|
||||
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 token.setOperatorApproval(operator, false, { from: sender });
|
||||
});
|
||||
|
||||
it('approves the operator', async function () {
|
||||
await token.setOperatorApproval(operator, true, { from: sender });
|
||||
|
||||
const isApproved = await token.isOperatorApprovedFor(sender, operator);
|
||||
isApproved.should.be.true;
|
||||
});
|
||||
|
||||
it('emits an approval event', async function () {
|
||||
const { logs } = await token.setOperatorApproval(operator, true, { from: sender });
|
||||
|
||||
logs.length.should.be.equal(1);
|
||||
logs[0].event.should.be.eq('OperatorApproval');
|
||||
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 token.setOperatorApproval(operator, false, { from: sender });
|
||||
|
||||
const isApproved = await token.isOperatorApprovedFor(sender, operator);
|
||||
isApproved.should.be.false;
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the operator was already approved', function () {
|
||||
beforeEach(async function () {
|
||||
await token.setOperatorApproval(operator, true, { from: sender });
|
||||
});
|
||||
|
||||
it('keeps the approval to the given address and does not emit an approval event', async function () {
|
||||
await token.setOperatorApproval(operator, true, { from: sender });
|
||||
|
||||
const isApproved = await token.isOperatorApprovedFor(sender, operator);
|
||||
isApproved.should.be.true;
|
||||
});
|
||||
|
||||
it('emits an approval event', async function () {
|
||||
const { logs } = await token.setOperatorApproval(operator, true, { from: sender });
|
||||
|
||||
logs.length.should.be.equal(1);
|
||||
logs[0].event.should.be.eq('OperatorApproval');
|
||||
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(token.setOperatorApproval(operator, true, { from: sender }));
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('takeOwnership', function () {
|
||||
const tokenId = _firstTokenId;
|
||||
|
||||
describe('when the sender was approved by the owner of the token ID', function () {
|
||||
const sender = accounts[1];
|
||||
|
||||
beforeEach(async function () {
|
||||
await token.setOperatorApproval(sender, true, { from: _creator });
|
||||
});
|
||||
|
||||
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('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('places the last token of the sender in the position of the transferred token', async function () {
|
||||
const firstTokenIndex = 0;
|
||||
const lastTokenIndex = await token.balanceOf(_creator) - 1;
|
||||
const lastToken = await token.tokenOfOwnerByIndex(_creator, lastTokenIndex);
|
||||
|
||||
await token.takeOwnership(tokenId, { from: sender });
|
||||
|
||||
const swappedToken = await token.tokenOfOwnerByIndex(_creator, firstTokenIndex);
|
||||
swappedToken.should.be.bignumber.equal(lastToken);
|
||||
await assertRevert(token.tokenOfOwnerByIndex(_creator, lastTokenIndex));
|
||||
});
|
||||
|
||||
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('takeOwnershipFor', 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];
|
||||
|
||||
beforeEach(async function () {
|
||||
await token.approve(sender, tokenId, { from: _creator });
|
||||
});
|
||||
|
||||
describe('when the recipient is the zero address', function () {
|
||||
const to = ZERO_ADDRESS;
|
||||
|
||||
it('reverts', async function () {
|
||||
await assertRevert(token.takeOwnershipFor(to, tokenId, { from: sender }));
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the recipient is the owner', function () {
|
||||
const to = _creator;
|
||||
|
||||
it('reverts', async function () {
|
||||
await assertRevert(token.takeOwnershipFor(to, tokenId, { from: sender }));
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the recipient is not the zero address neither the owner', function () {
|
||||
const to = accounts[2];
|
||||
|
||||
it('transfers the ownership of the given token ID to the given address', async function () {
|
||||
await token.takeOwnershipFor(to, tokenId, { from: sender });
|
||||
|
||||
const newOwner = await token.ownerOf(tokenId);
|
||||
newOwner.should.be.equal(to);
|
||||
});
|
||||
|
||||
it('clears the approval for the token ID', async function () {
|
||||
await token.takeOwnershipFor(to, 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.takeOwnershipFor(to, 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(to);
|
||||
logs[1].args._tokenId.should.be.bignumber.equal(tokenId);
|
||||
});
|
||||
|
||||
it('adjusts owners balances', async function () {
|
||||
const previousBalance = await token.balanceOf(_creator);
|
||||
|
||||
await token.takeOwnershipFor(to, tokenId, { from: sender });
|
||||
|
||||
const newOwnerBalance = await token.balanceOf(to);
|
||||
newOwnerBalance.should.be.bignumber.equal(1);
|
||||
|
||||
const previousOwnerBalance = await token.balanceOf(_creator);
|
||||
previousOwnerBalance.should.be.bignumber.equal(previousBalance - 1);
|
||||
});
|
||||
|
||||
it('places the last token of the sender in the position of the transferred token', async function () {
|
||||
const firstTokenIndex = 0;
|
||||
const lastTokenIndex = await token.balanceOf(_creator) - 1;
|
||||
const lastToken = await token.tokenOfOwnerByIndex(_creator, lastTokenIndex);
|
||||
|
||||
await token.takeOwnershipFor(to, tokenId, { from: sender });
|
||||
|
||||
const swappedToken = await token.tokenOfOwnerByIndex(_creator, firstTokenIndex);
|
||||
swappedToken.should.be.bignumber.equal(lastToken);
|
||||
await assertRevert(token.tokenOfOwnerByIndex(_creator, lastTokenIndex));
|
||||
});
|
||||
|
||||
it('adds the token to the tokens list of the new owner', async function () {
|
||||
await token.takeOwnershipFor(to, tokenId, { from: sender });
|
||||
|
||||
const tokenIDs = await token.tokensOf(to);
|
||||
tokenIDs.length.should.be.equal(1);
|
||||
tokenIDs[0].should.be.bignumber.equal(tokenId);
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the sender was approved by the owner of the token ID', function () {
|
||||
const sender = accounts[1];
|
||||
|
||||
beforeEach(async function () {
|
||||
await token.setOperatorApproval(sender, true, { from: _creator });
|
||||
});
|
||||
|
||||
describe('when the recipient is the zero address', function () {
|
||||
const to = ZERO_ADDRESS;
|
||||
|
||||
it('reverts', async function () {
|
||||
await assertRevert(token.takeOwnershipFor(to, tokenId, { from: sender }));
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the recipient is the owner', function () {
|
||||
const to = _creator;
|
||||
|
||||
it('reverts', async function () {
|
||||
await assertRevert(token.takeOwnershipFor(to, tokenId, { from: sender }));
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the recipient is not the zero address neither the owner', function () {
|
||||
const to = accounts[2];
|
||||
|
||||
it('transfers the ownership of the given token ID to the given address', async function () {
|
||||
await token.takeOwnershipFor(to, tokenId, { from: sender });
|
||||
|
||||
const newOwner = await token.ownerOf(tokenId);
|
||||
newOwner.should.be.equal(to);
|
||||
});
|
||||
|
||||
it('clears the approval for the token ID', async function () {
|
||||
await token.takeOwnershipFor(to, 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.takeOwnershipFor(to, 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(to);
|
||||
logs[1].args._tokenId.should.be.bignumber.equal(tokenId);
|
||||
});
|
||||
|
||||
it('adjusts owners balances', async function () {
|
||||
const previousBalance = await token.balanceOf(_creator);
|
||||
|
||||
await token.takeOwnershipFor(to, tokenId, { from: sender });
|
||||
|
||||
const newOwnerBalance = await token.balanceOf(to);
|
||||
newOwnerBalance.should.be.bignumber.equal(1);
|
||||
|
||||
const previousOwnerBalance = await token.balanceOf(_creator);
|
||||
previousOwnerBalance.should.be.bignumber.equal(previousBalance - 1);
|
||||
});
|
||||
|
||||
it('places the last token of the sender in the position of the transferred token', async function () {
|
||||
const firstTokenIndex = 0;
|
||||
const lastTokenIndex = await token.balanceOf(_creator) - 1;
|
||||
const lastToken = await token.tokenOfOwnerByIndex(_creator, lastTokenIndex);
|
||||
|
||||
await token.takeOwnershipFor(to, tokenId, { from: sender });
|
||||
|
||||
const swappedToken = await token.tokenOfOwnerByIndex(_creator, firstTokenIndex);
|
||||
swappedToken.should.be.bignumber.equal(lastToken);
|
||||
await assertRevert(token.tokenOfOwnerByIndex(_creator, lastTokenIndex));
|
||||
});
|
||||
|
||||
it('adds the token to the tokens list of the new owner', async function () {
|
||||
await token.takeOwnershipFor(to, tokenId, { from: sender });
|
||||
|
||||
const tokenIDs = await token.tokensOf(to);
|
||||
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.takeOwnershipFor(accounts[2], 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.takeOwnershipFor(accounts[2], tokenId, { from: sender }));
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('when the given token ID was not tracked by the contract before', function () {
|
||||
const tokenId = _unknownTokenId;
|
||||
|
||||
it('reverts', async function () {
|
||||
await assertRevert(token.takeOwnershipFor(accounts[2], tokenId, { from: _creator }));
|
||||
});
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
Reference in New Issue
Block a user