Rename SmartToken to ERC827
This commit is contained in:
AugustoL
261
test/ERC827Token.js
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261
test/ERC827Token.js
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import EVMRevert from './helpers/EVMRevert';
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var Message = artifacts.require('./mock/MessageHelper.sol');
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var ERC827TokenMock = artifacts.require('./mock/ERC827TokenMock.sol');
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var 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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contract('ERC827 Token', function (accounts) {
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let token;
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beforeEach(async function () {
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token = await ERC827TokenMock.new(accounts[0], 100);
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});
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it('should return the correct totalSupply after construction', async function () {
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let totalSupply = await token.totalSupply();
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assert.equal(totalSupply, 100);
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});
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it('should return the correct allowance amount after approval', async function () {
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let token = await ERC827TokenMock.new();
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await token.approve(accounts[1], 100);
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let allowance = await token.allowance(accounts[0], accounts[1]);
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assert.equal(allowance, 100);
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});
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it('should return correct balances after transfer', async function () {
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await token.transfer(accounts[1], 100);
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let balance0 = await token.balanceOf(accounts[0]);
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assert.equal(balance0, 0);
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let balance1 = await token.balanceOf(accounts[1]);
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assert.equal(balance1, 100);
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});
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it('should throw an error when trying to transfer more than balance', async function () {
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await token.transfer(accounts[1], 101).should.be.rejectedWith(EVMRevert);
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});
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it('should return correct balances after transfering from another account', async function () {
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await token.approve(accounts[1], 100);
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await token.transferFrom(accounts[0], accounts[2], 100, { from: accounts[1] });
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let balance0 = await token.balanceOf(accounts[0]);
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assert.equal(balance0, 0);
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let balance1 = await token.balanceOf(accounts[2]);
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assert.equal(balance1, 100);
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let balance2 = await token.balanceOf(accounts[1]);
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assert.equal(balance2, 0);
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});
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it('should throw an error when trying to transfer more than allowed', async function () {
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await token.approve(accounts[1], 99);
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await token.transferFrom(
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accounts[0], accounts[2], 100,
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{ from: accounts[1] }
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).should.be.rejectedWith(EVMRevert);
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});
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it('should throw an error when trying to transferFrom more than _from has', async function () {
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let balance0 = await token.balanceOf(accounts[0]);
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await token.approve(accounts[1], 99);
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await token.transferFrom(
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accounts[0], accounts[2], balance0 + 1,
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{ from: accounts[1] }
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).should.be.rejectedWith(EVMRevert);
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});
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describe('validating allowance updates to spender', function () {
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let preApproved;
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it('should start with zero', async function () {
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preApproved = await token.allowance(accounts[0], accounts[1]);
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assert.equal(preApproved, 0);
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});
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it('should increase by 50 then decrease by 10', async function () {
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await token.increaseApproval(accounts[1], 50);
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let postIncrease = await token.allowance(accounts[0], accounts[1]);
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preApproved.plus(50).should.be.bignumber.equal(postIncrease);
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await token.decreaseApproval(accounts[1], 10);
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let postDecrease = await token.allowance(accounts[0], accounts[1]);
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postIncrease.minus(10).should.be.bignumber.equal(postDecrease);
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});
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});
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it('should increase by 50 then set to 0 when decreasing by more than 50', async function () {
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await token.approve(accounts[1], 50);
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await token.decreaseApproval(accounts[1], 60);
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let postDecrease = await token.allowance(accounts[0], accounts[1]);
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postDecrease.should.be.bignumber.equal(0);
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});
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it('should throw an error when trying to transfer to 0x0', async function () {
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await token.transfer(0x0, 100).should.be.rejectedWith(EVMRevert);
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});
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it('should throw an error when trying to transferFrom to 0x0', async function () {
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await token.approve(accounts[1], 100);
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await token.transferFrom(accounts[0], 0x0, 100, { from: accounts[1] })
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.should.be.rejectedWith(EVMRevert);
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});
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it('should return correct balances after approve and show the event on receiver contract', async function () {
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let message = await Message.new();
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let data = message.contract.showMessage.getData(
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web3.toHex(123456), 666, 'Transfer Done'
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);
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let transaction = await token.approveData(
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message.contract.address, 100, data, { from: accounts[0] }
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);
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assert.equal(2, transaction.receipt.logs.length);
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new BigNumber(100).should.be.bignumber.equal(
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await token.allowance(accounts[0], message.contract.address)
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);
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});
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it('should return correct balances after transferData and show the event on receiver contract', async function () {
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let message = await Message.new();
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let data = message.contract.showMessage.getData(
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web3.toHex(123456), 666, 'Transfer Done'
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);
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let transaction = await token.transferData(
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message.contract.address, 100, data, { from: accounts[0] }
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);
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assert.equal(2, transaction.receipt.logs.length);
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new BigNumber(100).should.be.bignumber.equal(
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await token.balanceOf(message.contract.address)
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);
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});
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it('should return correct allowance after approveData and show the event on receiver contract', async function () {
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let message = await Message.new();
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let data = message.contract.showMessage.getData(
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web3.toHex(123456), 666, 'Transfer Done'
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);
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let transaction = await token.approveData(
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message.contract.address, 100, data, { from: accounts[0] }
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);
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assert.equal(2, transaction.receipt.logs.length);
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new BigNumber(100).should.be.bignumber.equal(
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await token.allowance(accounts[0], message.contract.address)
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);
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});
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it('should return correct balances after transferFrom and show the event on receiver contract', async function () {
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let message = await Message.new();
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let data = message.contract.showMessage.getData(
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web3.toHex(123456), 666, 'Transfer Done'
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);
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await token.approve(accounts[1], 100, { from: accounts[0] });
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new BigNumber(100).should.be.bignumber.equal(
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await token.allowance(accounts[0], accounts[1])
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);
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let transaction = await token.transferDataFrom(
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accounts[0], message.contract.address, 100, data, { from: accounts[1] }
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);
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assert.equal(2, transaction.receipt.logs.length);
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new BigNumber(100).should.be.bignumber.equal(
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await token.balanceOf(message.contract.address)
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);
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});
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it('should fail inside approveData', async function () {
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let message = await Message.new();
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let data = message.contract.fail.getData();
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await token.approveData(
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message.contract.address, 10, data,
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{ from: accounts[1] }
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).should.be.rejectedWith(EVMRevert);
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// approval should not have gone through so allowance is still 0
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new BigNumber(0).should.be.bignumber
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.equal(await token.allowance(accounts[1], message.contract.address));
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});
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it('should fail inside transferData', async function () {
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let message = await Message.new();
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let data = message.contract.fail.getData();
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await token.transferData(
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message.contract.address, 10, data,
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{ from: accounts[0] }
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).should.be.rejectedWith(EVMRevert);
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// transfer should not have gone through, so balance is still 0
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new BigNumber(0).should.be.bignumber
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.equal(await token.balanceOf(message.contract.address));
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});
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it('should fail inside transferDataFrom', async function () {
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let message = await Message.new();
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let data = message.contract.fail.getData();
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await token.approve(accounts[1], 10, { from: accounts[2] });
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await token.transferDataFrom(
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accounts[2], message.contract.address, 10, data,
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{ from: accounts[1] }
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).should.be.rejectedWith(EVMRevert);
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// transferDataFrom should have failed so balance is still 0 but allowance is 10
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new BigNumber(10).should.be.bignumber
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.equal(await token.allowance(accounts[2], accounts[1]));
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new BigNumber(0).should.be.bignumber
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.equal(await token.balanceOf(message.contract.address));
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});
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it('should fail approveData when using token contract address as receiver', async function () {
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let data = token.contract.approve.getData(accounts[5], 66);
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await token.approveData(
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token.contract.address, 100, data,
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{ from: accounts[0] }
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).should.be.rejectedWith(EVMRevert);
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});
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it('should fail transferData when using token contract address as receiver', async function () {
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await token.transferData(
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token.contract.address, 100, web3.toHex(0), { from: accounts[0] }
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).should.be.rejectedWith(EVMRevert);
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});
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it('should fail transferDataFrom when using token contract address as receiver', async function () {
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await token.approve(accounts[1], 1, { from: accounts[0] });
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await token.transferDataFrom(
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accounts[0], token.contract.address, 1, web3.toHex(0), { from: accounts[1] }
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).should.be.rejectedWith(EVMRevert);
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});
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});
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