54 lines
2.0 KiB
JavaScript
54 lines
2.0 KiB
JavaScript
const { ethers, config } = require('hardhat');
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const { expect } = require('chai');
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const { loadFixture } = require('@nomicfoundation/hardhat-network-helpers');
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// [NOTE]
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//
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// ethers.getSigners() returns object than cannot currently send type-4 transaction, or sign authorization. Therefore,
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// we have to instantiate the eoa AND the relayer manually using ethers 6.14.0 wallets. This can be improved when
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// @nomicfoundation/hardhat-ethers starts instantiating signers with 7702 support.
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const relayAuthorization = authorization =>
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ethers.Wallet.fromPhrase(config.networks.hardhat.accounts.mnemonic, ethers.provider).sendTransaction({
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to: ethers.ZeroAddress,
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authorizationList: [authorization],
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gasLimit: 46_000n,
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});
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const fixture = async () => {
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const eoa = ethers.Wallet.createRandom(ethers.provider);
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const mock = await ethers.deployContract('$EIP7702Utils');
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return { eoa, mock };
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};
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describe('EIP7702Utils', function () {
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beforeEach(async function () {
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Object.assign(this, await loadFixture(fixture));
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});
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describe('fetchDelegate', function () {
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it('EOA without delegation', async function () {
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await expect(this.mock.$fetchDelegate(this.eoa)).to.eventually.equal(ethers.ZeroAddress);
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});
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it('EOA with delegation', async function () {
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// set delegation
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await this.eoa.authorize({ address: this.mock }).then(relayAuthorization);
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await expect(this.mock.$fetchDelegate(this.eoa)).to.eventually.equal(this.mock);
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});
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it('EOA with revoked delegation', async function () {
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// set delegation
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await this.eoa.authorize({ address: this.mock }).then(relayAuthorization);
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// reset delegation
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await this.eoa.authorize({ address: ethers.ZeroAddress }).then(relayAuthorization);
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await expect(this.mock.$fetchDelegate(this.eoa)).to.eventually.equal(ethers.ZeroAddress);
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});
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it('other smart contract', async function () {
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await expect(this.mock.$fetchDelegate(this.mock)).to.eventually.equal(ethers.ZeroAddress);
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});
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});
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});
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