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62 lines
2.5 KiB
JavaScript
62 lines
2.5 KiB
JavaScript
const { expectEvent, expectRevert } = require('@openzeppelin/test-helpers');
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const { computeCreate2Address } = require('../helpers/create2');
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const { expect } = require('chai');
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const shouldBehaveLikeClone = require('./Clones.behaviour');
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const Clones = artifacts.require('$Clones');
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contract('Clones', function (accounts) {
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const [deployer] = accounts;
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describe('clone', function () {
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shouldBehaveLikeClone(async (implementation, initData, opts = {}) => {
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const factory = await Clones.new();
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const receipt = await factory.$clone(implementation);
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const address = receipt.logs.find(({ event }) => event === 'return$clone').args.instance;
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await web3.eth.sendTransaction({ from: deployer, to: address, value: opts.value, data: initData });
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return { address };
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});
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});
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describe('cloneDeterministic', function () {
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shouldBehaveLikeClone(async (implementation, initData, opts = {}) => {
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const salt = web3.utils.randomHex(32);
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const factory = await Clones.new();
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const receipt = await factory.$cloneDeterministic(implementation, salt);
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const address = receipt.logs.find(({ event }) => event === 'return$cloneDeterministic').args.instance;
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await web3.eth.sendTransaction({ from: deployer, to: address, value: opts.value, data: initData });
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return { address };
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});
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it('address already used', async function () {
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const implementation = web3.utils.randomHex(20);
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const salt = web3.utils.randomHex(32);
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const factory = await Clones.new();
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// deploy once
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expectEvent(await factory.$cloneDeterministic(implementation, salt), 'return$cloneDeterministic');
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// deploy twice
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await expectRevert(factory.$cloneDeterministic(implementation, salt), 'ERC1167: create2 failed');
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});
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it('address prediction', async function () {
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const implementation = web3.utils.randomHex(20);
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const salt = web3.utils.randomHex(32);
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const factory = await Clones.new();
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const predicted = await factory.$predictDeterministicAddress(implementation, salt);
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const creationCode = [
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'0x3d602d80600a3d3981f3363d3d373d3d3d363d73',
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implementation.replace(/0x/, '').toLowerCase(),
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'5af43d82803e903d91602b57fd5bf3',
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].join('');
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expect(computeCreate2Address(salt, creationCode, factory.address)).to.be.equal(predicted);
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expectEvent(await factory.$cloneDeterministic(implementation, salt), 'return$cloneDeterministic', {
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instance: predicted,
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});
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});
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});
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});
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