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import { ZeroEx } from '0x.js';
import { BlockchainLifecycle } from '@0xproject/dev-utils';
import { Web3Wrapper } from '@0xproject/web3-wrapper';
import * as chai from 'chai';
import ethUtil = require('ethereumjs-util');
import * as _ from 'lodash';
import * as Web3 from 'web3';
import { Artifacts } from '../util/artifacts';
import { constants } from '../util/constants';
import { TokenRegWrapper } from '../util/token_registry_wrapper';
import { ContractInstance } from '../util/types';
import { chaiSetup } from './utils/chai_setup';
const { TokenRegistry } = new Artifacts(artifacts);
chaiSetup.configure();
const expect = chai.expect;
// In order to benefit from type-safety, we re-assign the global web3 instance injected by Truffle
// with type `any` to a variable of type `Web3`.
const web3: Web3 = (global as any).web3;
const blockchainLifecycle = new BlockchainLifecycle(constants.RPC_URL);
describe('TokenRegistry', () => {
const web3Wrapper = new Web3Wrapper(web3.currentProvider);
let accounts: string[];
let owner: string;
let notOwner: string;
let tokenReg: ContractInstance;
let tokenRegWrapper: TokenRegWrapper;
before(async () => {
accounts = await web3Wrapper.getAvailableAddressesAsync();
owner = accounts[0];
notOwner = accounts[1];
tokenReg = await TokenRegistry.new();
tokenRegWrapper = new TokenRegWrapper(tokenReg);
});
beforeEach(async () => {
await blockchainLifecycle.startAsync();
});
afterEach(async () => {
await blockchainLifecycle.revertAsync();
});
const tokenAddress1 = `0x${ethUtil.setLength(ethUtil.toBuffer('0x1'), 20, false).toString('hex')}`;
const tokenAddress2 = `0x${ethUtil.setLength(ethUtil.toBuffer('0x2'), 20, false).toString('hex')}`;
const token1 = {
address: tokenAddress1,
name: 'testToken1',
symbol: 'TT1',
decimals: 18,
ipfsHash: `0x${ethUtil.sha3('ipfs1').toString('hex')}`,
swarmHash: `0x${ethUtil.sha3('swarm1').toString('hex')}`,
};
const token2 = {
address: tokenAddress2,
name: 'testToken2',
symbol: 'TT2',
decimals: 18,
ipfsHash: `0x${ethUtil.sha3('ipfs2').toString('hex')}`,
swarmHash: `0x${ethUtil.sha3('swarm2').toString('hex')}`,
};
const nullToken = {
address: ZeroEx.NULL_ADDRESS,
name: '',
symbol: '',
decimals: 0,
ipfsHash: constants.NULL_BYTES,
swarmHash: constants.NULL_BYTES,
};
describe('addToken', () => {
it('should throw when not called by owner', async () => {
return expect(tokenRegWrapper.addTokenAsync(token1, notOwner)).to.be.rejectedWith(constants.REVERT);
});
it('should add token metadata when called by owner', async () => {
await tokenRegWrapper.addTokenAsync(token1, owner);
const tokenData = await tokenRegWrapper.getTokenMetaDataAsync(token1.address);
expect(tokenData).to.be.deep.equal(token1);
});
it('should throw if token already exists', async () => {
await tokenRegWrapper.addTokenAsync(token1, owner);
return expect(tokenRegWrapper.addTokenAsync(token1, owner)).to.be.rejectedWith(constants.REVERT);
});
it('should throw if token address is null', async () => {
return expect(tokenRegWrapper.addTokenAsync(nullToken, owner)).to.be.rejectedWith(constants.REVERT);
});
it('should throw if name already exists', async () => {
await tokenRegWrapper.addTokenAsync(token1, owner);
const duplicateNameToken = _.assign({}, token2, { name: token1.name });
return expect(tokenRegWrapper.addTokenAsync(duplicateNameToken, owner)).to.be.rejectedWith(
constants.REVERT,
);
});
it('should throw if symbol already exists', async () => {
await tokenRegWrapper.addTokenAsync(token1, owner);
const duplicateSymbolToken = _.assign({}, token2, {
symbol: token1.symbol,
});
return expect(tokenRegWrapper.addTokenAsync(duplicateSymbolToken, owner)).to.be.rejectedWith(
constants.REVERT,
);
});
});
describe('after addToken', () => {
beforeEach(async () => {
await tokenRegWrapper.addTokenAsync(token1, owner);
});
describe('getTokenByName', () => {
it('should return token metadata when given the token name', async () => {
const tokenData = await tokenRegWrapper.getTokenByNameAsync(token1.name);
expect(tokenData).to.be.deep.equal(token1);
});
});
describe('getTokenBySymbol', () => {
it('should return token metadata when given the token symbol', async () => {
const tokenData = await tokenRegWrapper.getTokenBySymbolAsync(token1.symbol);
expect(tokenData).to.be.deep.equal(token1);
});
});
describe('setTokenName', () => {
it('should throw when not called by owner', async () => {
return expect(
tokenReg.setTokenName(token1.address, token2.name, { from: notOwner }),
).to.be.rejectedWith(constants.REVERT);
});
it('should change the token name when called by owner', async () => {
const res = await tokenReg.setTokenName(token1.address, token2.name, {
from: owner,
});
expect(res.logs).to.have.length(1);
const [newData, oldData] = await Promise.all([
tokenRegWrapper.getTokenByNameAsync(token2.name),
tokenRegWrapper.getTokenByNameAsync(token1.name),
]);
const expectedNewData = _.assign({}, token1, { name: token2.name });
const expectedOldData = nullToken;
expect(newData).to.be.deep.equal(expectedNewData);
expect(oldData).to.be.deep.equal(expectedOldData);
});
it('should throw if the name already exists', async () => {
await tokenRegWrapper.addTokenAsync(token2, owner);
return expect(tokenReg.setTokenName(token1.address, token2.name, { from: owner })).to.be.rejectedWith(
constants.REVERT,
);
});
it('should throw if token does not exist', async () => {
return expect(
tokenReg.setTokenName(nullToken.address, token2.name, { from: owner }),
).to.be.rejectedWith(constants.REVERT);
});
});
describe('setTokenSymbol', () => {
it('should throw when not called by owner', async () => {
return expect(
tokenReg.setTokenSymbol(token1.address, token2.symbol, {
from: notOwner,
}),
).to.be.rejectedWith(constants.REVERT);
});
it('should change the token symbol when called by owner', async () => {
const res = await tokenReg.setTokenSymbol(token1.address, token2.symbol, { from: owner });
expect(res.logs).to.have.length(1);
const [newData, oldData] = await Promise.all([
tokenRegWrapper.getTokenBySymbolAsync(token2.symbol),
tokenRegWrapper.getTokenBySymbolAsync(token1.symbol),
]);
const expectedNewData = _.assign({}, token1, { symbol: token2.symbol });
const expectedOldData = nullToken;
expect(newData).to.be.deep.equal(expectedNewData);
expect(oldData).to.be.deep.equal(expectedOldData);
});
it('should throw if the symbol already exists', async () => {
await tokenRegWrapper.addTokenAsync(token2, owner);
return expect(
tokenReg.setTokenSymbol(token1.address, token2.symbol, {
from: owner,
}),
).to.be.rejectedWith(constants.REVERT);
});
it('should throw if token does not exist', async () => {
return expect(
tokenReg.setTokenSymbol(nullToken.address, token2.symbol, {
from: owner,
}),
).to.be.rejectedWith(constants.REVERT);
});
});
describe('removeToken', () => {
it('should throw if not called by owner', async () => {
const index = 0;
return expect(tokenReg.removeToken(token1.address, index, { from: notOwner })).to.be.rejectedWith(
constants.REVERT,
);
});
it('should remove token metadata when called by owner', async () => {
const index = 0;
const res = await tokenReg.removeToken(token1.address, index, {
from: owner,
});
expect(res.logs).to.have.length(1);
const tokenData = await tokenRegWrapper.getTokenMetaDataAsync(token1.address);
expect(tokenData).to.be.deep.equal(nullToken);
});
it('should throw if token does not exist', async () => {
const index = 0;
return expect(tokenReg.removeToken(nullToken.address, index, { from: owner })).to.be.rejectedWith(
constants.REVERT,
);
});
it('should throw if token at given index does not match address', async () => {
await tokenRegWrapper.addTokenAsync(token2, owner);
const incorrectIndex = 0;
return expect(tokenReg.removeToken(token2.address, incorrectIndex, { from: owner })).to.be.rejectedWith(
constants.REVERT,
);
});
});
});
});
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