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27 lines
776 B
27 lines
776 B
const { ethers } = require('hardhat');
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const { expect } = require('chai');
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const { loadFixture, mine } = require('@nomicfoundation/hardhat-network-helpers');
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async function fixture() {
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return {};
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}
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describe('Environment sanity', 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('snapshot', function () {
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let blockNumberBefore;
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it('cache and mine', async function () {
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blockNumberBefore = await ethers.provider.getBlockNumber();
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await mine();
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expect(await ethers.provider.getBlockNumber()).to.equal(blockNumberBefore + 1);
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});
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it('check snapshot', async function () {
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expect(await ethers.provider.getBlockNumber()).to.equal(blockNumberBefore);
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});
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});
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});
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