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75 lines
2.4 KiB
75 lines
2.4 KiB
const { ethers } = 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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async function fixture() {
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const [sender, other] = await ethers.getSigners();
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const mock = await ethers.deployContract('$Nonces');
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return { sender, other, mock };
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}
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describe('Nonces', function () {
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beforeEach(async function () {
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Object.assign(this, await loadFixture(fixture));
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});
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it('gets a nonce', async function () {
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expect(await this.mock.nonces(this.sender)).to.equal(0n);
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});
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describe('_useNonce', function () {
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it('increments a nonce', async function () {
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expect(await this.mock.nonces(this.sender)).to.equal(0n);
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await expect(await this.mock.$_useNonce(this.sender))
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.to.emit(this.mock, 'return$_useNonce')
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.withArgs(0n);
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expect(await this.mock.nonces(this.sender)).to.equal(1n);
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});
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it("increments only sender's nonce", async function () {
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expect(await this.mock.nonces(this.sender)).to.equal(0n);
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expect(await this.mock.nonces(this.other)).to.equal(0n);
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await this.mock.$_useNonce(this.sender);
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expect(await this.mock.nonces(this.sender)).to.equal(1n);
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expect(await this.mock.nonces(this.other)).to.equal(0n);
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});
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});
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describe('_useCheckedNonce', function () {
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it('increments a nonce', async function () {
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const currentNonce = await this.mock.nonces(this.sender);
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expect(currentNonce).to.equal(0n);
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await this.mock.$_useCheckedNonce(this.sender, currentNonce);
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expect(await this.mock.nonces(this.sender)).to.equal(1n);
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});
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it("increments only sender's nonce", async function () {
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const currentNonce = await this.mock.nonces(this.sender);
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expect(currentNonce).to.equal(0n);
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expect(await this.mock.nonces(this.other)).to.equal(0n);
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await this.mock.$_useCheckedNonce(this.sender, currentNonce);
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expect(await this.mock.nonces(this.sender)).to.equal(1n);
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expect(await this.mock.nonces(this.other)).to.equal(0n);
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});
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it('reverts when nonce is not the expected', async function () {
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const currentNonce = await this.mock.nonces(this.sender);
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await expect(this.mock.$_useCheckedNonce(this.sender, currentNonce + 1n))
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.to.be.revertedWithCustomError(this.mock, 'InvalidAccountNonce')
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.withArgs(this.sender, currentNonce);
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});
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});
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});
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