2e0713becb
* rename ERC20 to IERC20 * move ERC20.sol to IERC20.sol * rename StandardToken to ERC20 * rename StandardTokenMock to ERC20Mock * move StandardToken.sol to ERC20.sol, likewise test and mock files * rename MintableToken to ERC20Mintable * move MintableToken.sol to ERC20Mintable.sol, likewise test and mock files * rename BurnableToken to ERC20Burnable * move BurnableToken.sol to ERC20Burnable.sol, likewise for related files * rename CappedToken to ERC20Capped * move CappedToken.sol to ERC20Capped.sol, likewise for related files * rename PausableToken to ERC20Pausable * move PausableToken.sol to ERC20Pausable.sol, likewise for related files * rename DetailedERC20 to ERC20Detailed * move DetailedERC20.sol to ERC20Detailed.sol, likewise for related files * rename ERC721 to IERC721, and likewise for other related interfaces * move ERC721.sol to IERC721.sol, likewise for other 721 interfaces * rename ERC721Token to ERC721 * move ERC721Token.sol to ERC721.sol, likewise for related files * rename ERC721BasicToken to ERC721Basic * move ERC721BasicToken.sol to ERC721Basic.sol, likewise for related files * rename ERC721PausableToken to ERC721Pausable * move ERC721PausableToken.sol to ERC721Pausable.sol * rename ERC165 to IERC165 * move ERC165.sol to IERC165.sol * amend comment that ERC20 is based on FirstBlood * fix comments mentioning IERC721Receiver
237 lines
8.1 KiB
JavaScript
237 lines
8.1 KiB
JavaScript
const { assertRevert } = require('../../helpers/assertRevert');
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const ERC20Pausable = artifacts.require('ERC20PausableMock');
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contract('ERC20Pausable', function ([_, owner, recipient, anotherAccount]) {
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beforeEach(async function () {
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this.token = await ERC20Pausable.new(owner, 100, { from: owner });
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});
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describe('pause', function () {
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describe('when the sender is the token owner', function () {
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const from = owner;
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describe('when the token is unpaused', function () {
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it('pauses the token', async function () {
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await this.token.pause({ from });
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(await this.token.paused()).should.equal(true);
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});
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it('emits a Pause event', async function () {
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const { logs } = await this.token.pause({ from });
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logs.length.should.equal(1);
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logs[0].event.should.equal('Paused');
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});
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});
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describe('when the token is paused', function () {
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beforeEach(async function () {
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await this.token.pause({ from });
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});
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it('reverts', async function () {
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await assertRevert(this.token.pause({ from }));
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});
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});
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});
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describe('when the sender is not the token owner', function () {
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const from = anotherAccount;
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it('reverts', async function () {
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await assertRevert(this.token.pause({ from }));
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});
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});
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});
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describe('unpause', function () {
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describe('when the sender is the token owner', function () {
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const from = owner;
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describe('when the token is paused', function () {
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beforeEach(async function () {
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await this.token.pause({ from });
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});
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it('unpauses the token', async function () {
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await this.token.unpause({ from });
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(await this.token.paused()).should.equal(false);
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});
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it('emits an Unpause event', async function () {
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const { logs } = await this.token.unpause({ from });
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logs.length.should.equal(1);
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logs[0].event.should.equal('Unpaused');
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});
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});
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describe('when the token is unpaused', function () {
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it('reverts', async function () {
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await assertRevert(this.token.unpause({ from }));
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});
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});
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});
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describe('when the sender is not the token owner', function () {
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const from = anotherAccount;
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it('reverts', async function () {
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await assertRevert(this.token.unpause({ from }));
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});
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});
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});
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describe('pausable token', function () {
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const from = owner;
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describe('paused', function () {
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it('is not paused by default', async function () {
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(await this.token.paused({ from })).should.equal(false);
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});
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it('is paused after being paused', async function () {
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await this.token.pause({ from });
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(await this.token.paused({ from })).should.equal(true);
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});
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it('is not paused after being paused and then unpaused', async function () {
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await this.token.pause({ from });
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await this.token.unpause({ from });
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(await this.token.paused()).should.equal(false);
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});
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});
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describe('transfer', function () {
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it('allows to transfer when unpaused', async function () {
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await this.token.transfer(recipient, 100, { from: owner });
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(await this.token.balanceOf(owner)).should.be.bignumber.equal(0);
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(await this.token.balanceOf(recipient)).should.be.bignumber.equal(100);
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});
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it('allows to transfer when paused and then unpaused', async function () {
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await this.token.pause({ from: owner });
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await this.token.unpause({ from: owner });
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await this.token.transfer(recipient, 100, { from: owner });
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(await this.token.balanceOf(owner)).should.be.bignumber.equal(0);
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(await this.token.balanceOf(recipient)).should.be.bignumber.equal(100);
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});
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it('reverts when trying to transfer when paused', async function () {
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await this.token.pause({ from: owner });
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await assertRevert(this.token.transfer(recipient, 100, { from: owner }));
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});
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});
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describe('approve', function () {
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it('allows to approve when unpaused', async function () {
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await this.token.approve(anotherAccount, 40, { from: owner });
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(await this.token.allowance(owner, anotherAccount)).should.be.bignumber.equal(40);
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});
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it('allows to transfer when paused and then unpaused', async function () {
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await this.token.pause({ from: owner });
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await this.token.unpause({ from: owner });
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await this.token.approve(anotherAccount, 40, { from: owner });
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(await this.token.allowance(owner, anotherAccount)).should.be.bignumber.equal(40);
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});
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it('reverts when trying to transfer when paused', async function () {
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await this.token.pause({ from: owner });
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await assertRevert(this.token.approve(anotherAccount, 40, { from: owner }));
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});
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});
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describe('transfer from', function () {
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beforeEach(async function () {
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await this.token.approve(anotherAccount, 50, { from: owner });
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});
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it('allows to transfer from when unpaused', async function () {
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await this.token.transferFrom(owner, recipient, 40, { from: anotherAccount });
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(await this.token.balanceOf(owner)).should.be.bignumber.equal(60);
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(await this.token.balanceOf(recipient)).should.be.bignumber.equal(40);
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});
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it('allows to transfer when paused and then unpaused', async function () {
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await this.token.pause({ from: owner });
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await this.token.unpause({ from: owner });
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await this.token.transferFrom(owner, recipient, 40, { from: anotherAccount });
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(await this.token.balanceOf(owner)).should.be.bignumber.equal(60);
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(await this.token.balanceOf(recipient)).should.be.bignumber.equal(40);
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});
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it('reverts when trying to transfer from when paused', async function () {
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await this.token.pause({ from: owner });
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await assertRevert(this.token.transferFrom(owner, recipient, 40, { from: anotherAccount }));
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});
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});
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describe('decrease approval', function () {
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beforeEach(async function () {
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await this.token.approve(anotherAccount, 100, { from: owner });
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});
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it('allows to decrease approval when unpaused', async function () {
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await this.token.decreaseApproval(anotherAccount, 40, { from: owner });
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(await this.token.allowance(owner, anotherAccount)).should.be.bignumber.equal(60);
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});
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it('allows to decrease approval when paused and then unpaused', async function () {
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await this.token.pause({ from: owner });
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await this.token.unpause({ from: owner });
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await this.token.decreaseApproval(anotherAccount, 40, { from: owner });
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(await this.token.allowance(owner, anotherAccount)).should.be.bignumber.equal(60);
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});
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it('reverts when trying to transfer when paused', async function () {
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await this.token.pause({ from: owner });
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await assertRevert(this.token.decreaseApproval(anotherAccount, 40, { from: owner }));
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});
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});
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describe('increase approval', function () {
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beforeEach(async function () {
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await this.token.approve(anotherAccount, 100, { from: owner });
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});
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it('allows to increase approval when unpaused', async function () {
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await this.token.increaseApproval(anotherAccount, 40, { from: owner });
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(await this.token.allowance(owner, anotherAccount)).should.be.bignumber.equal(140);
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});
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it('allows to increase approval when paused and then unpaused', async function () {
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await this.token.pause({ from: owner });
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await this.token.unpause({ from: owner });
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await this.token.increaseApproval(anotherAccount, 40, { from: owner });
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(await this.token.allowance(owner, anotherAccount)).should.be.bignumber.equal(140);
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});
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it('reverts when trying to increase approval when paused', async function () {
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await this.token.pause({ from: owner });
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await assertRevert(this.token.increaseApproval(anotherAccount, 40, { from: owner }));
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});
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});
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});
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});
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