79 lines
2.6 KiB
JavaScript
79 lines
2.6 KiB
JavaScript
const { expect } = require("chai")
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const { ethers } = require("hardhat")
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describe("Stakes", function () {
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var stakes
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var token
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var host
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beforeEach(async function() {
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[host] = await ethers.getSigners()
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const Stakes = await ethers.getContractFactory("TestStakes")
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const TestToken = await ethers.getContractFactory("TestToken")
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token = await TestToken.deploy([host.address])
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stakes = await Stakes.deploy(token.address)
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})
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it("has zero stakes initially", async function () {
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const address = await host.getAddress()
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const stake = await stakes.stake(address)
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expect(stake).to.equal(0)
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})
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it("increases stakes by transferring tokens", async function () {
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await token.approve(stakes.address, 20)
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await stakes.increaseStake(20)
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let stake = await stakes.stake(host.address)
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expect(stake).to.equal(20)
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})
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it("does not increase stake when token transfer fails", async function () {
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await expect(
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stakes.increaseStake(20)
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).to.be.revertedWith("ERC20: transfer amount exceeds allowance")
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})
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it("allows withdrawal of stake", async function () {
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await token.approve(stakes.address, 20)
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await stakes.increaseStake(20)
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let balanceBefore = await token.balanceOf(host.address)
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await stakes.withdrawStake()
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let balanceAfter = await token.balanceOf(host.address)
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expect(balanceAfter - balanceBefore).to.equal(20)
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})
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it("locks stake", async function () {
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await token.approve(stakes.address, 20)
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await stakes.increaseStake(20)
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await stakes.lockStake(host.address)
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await expect(stakes.withdrawStake()).to.be.revertedWith("Stake locked")
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await stakes.unlockStake(host.address)
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await expect(stakes.withdrawStake()).not.to.be.reverted
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})
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it("fails to unlock when already unlocked", async function () {
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await expect(
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stakes.unlockStake(host.address)
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).to.be.revertedWith("Stake already unlocked")
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})
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it("requires an equal amount of locks and unlocks", async function () {
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await token.approve(stakes.address, 20)
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await stakes.increaseStake(20)
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await stakes.lockStake(host.address)
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await stakes.lockStake(host.address)
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await stakes.unlockStake(host.address)
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await expect(stakes.withdrawStake()).to.be.revertedWith("Stake locked")
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await stakes.unlockStake(host.address)
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await expect(stakes.withdrawStake()).not.to.be.reverted
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})
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it("slashes stake", async function () {
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await token.approve(stakes.address, 1000)
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await stakes.increaseStake(1000)
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await stakes.slash(host.address, 10)
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expect(await stakes.stake(host.address)).to.equal(900)
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})
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})
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