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@ -1,18 +1,16 @@ |
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'use strict'; |
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const assertJump = require('./helpers/assertJump'); |
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const expectThrow = require('./helpers/expectThrow'); |
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var Message = artifacts.require('./helpers/Message.sol'); |
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var SmartTokenMock = artifacts.require('./helpers/SmartTokenMock.sol'); |
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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 SmartTokenMock = artifacts.require('./mock/SmartTokenMock.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('SmartToken', function (accounts) { |
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let token; |
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beforeEach(async function () { |
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@ -43,12 +41,7 @@ contract('SmartToken', function(accounts) { |
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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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try { |
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await token.transfer(accounts[1], 101); |
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assert.fail('should have thrown before'); |
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} catch(error) { |
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assertJump(error); |
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} |
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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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@ -67,23 +60,19 @@ contract('SmartToken', function(accounts) { |
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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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try { |
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await token.transferFrom(accounts[0], accounts[2], 100, {from: accounts[1]}); |
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assert.fail('should have thrown before'); |
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} catch (error) { |
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assertJump(error); |
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} |
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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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try { |
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await token.transferFrom(accounts[0], accounts[2], balance0+1, {from: accounts[1]}); |
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assert.fail('should have thrown before'); |
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} catch (error) { |
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assertJump(error); |
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} |
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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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@ -92,7 +81,7 @@ contract('SmartToken', function(accounts) { |
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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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}); |
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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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@ -101,7 +90,7 @@ contract('SmartToken', function(accounts) { |
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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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}); |
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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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@ -112,22 +101,13 @@ contract('SmartToken', function(accounts) { |
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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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try { |
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let transfer = await token.transfer(0x0, 100); |
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assert.fail('should have thrown before'); |
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} catch(error) { |
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assertJump(error); |
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} |
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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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try { |
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let transfer = await token.transferFrom(accounts[0], 0x0, 100, {from: accounts[1]}); |
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assert.fail('should have thrown before'); |
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} catch(error) { |
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assertJump(error); |
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} |
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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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@ -146,7 +126,6 @@ contract('SmartToken', function(accounts) { |
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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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@ -165,7 +144,6 @@ contract('SmartToken', function(accounts) { |
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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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@ -184,7 +162,6 @@ contract('SmartToken', function(accounts) { |
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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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@ -209,7 +186,6 @@ contract('SmartToken', function(accounts) { |
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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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@ -217,20 +193,14 @@ contract('SmartToken', function(accounts) { |
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let data = message.contract.fail.getData(); |
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try { |
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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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); |
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assert(false, 'approveData should have raised'); |
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} catch(error) { |
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assertJump(error); |
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} |
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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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@ -238,20 +208,14 @@ contract('SmartToken', function(accounts) { |
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let data = message.contract.fail.getData(); |
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try { |
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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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); |
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assert(false, 'transferData should have failed'); |
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} catch(error) { |
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assertJump(error); |
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} |
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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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@ -261,62 +225,37 @@ contract('SmartToken', function(accounts) { |
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await token.approve(accounts[1], 10, { from: accounts[2] }); |
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try { |
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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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); |
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assert(false, 'transferDataFrom should have thrown'); |
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} catch(error) { |
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assertJump(error); |
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} |
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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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try { |
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await token.approveData(token.contract.address, 100, data, {from: accounts[0]}); |
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assert(false, 'approveData should have thrown because the spender cannot be the token itself'); |
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} catch(error) { |
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assertJump(error); |
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} |
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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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try { |
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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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); |
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assert(false, 'transferData should have thrown because the spender cannot be the token itself'); |
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} catch(error) { |
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assertJump(error); |
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} |
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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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try { |
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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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); |
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assert(false, 'transferDataFrom should have thrown because the spender cannot be the token itself'); |
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} catch(error) { |
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assertJump(error); |
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} |
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).should.be.rejectedWith(EVMRevert); |
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}); |
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}); |
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