487 lines
16 KiB
JavaScript
487 lines
16 KiB
JavaScript
const { ethers } = require("hardhat")
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const { hexlify, randomBytes } = ethers.utils
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const { expect } = require("chai")
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const { exampleRequest } = require("./examples")
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const { now, hours } = require("./time")
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const { requestId, slotId, askToArray } = require("./ids")
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const { waitUntilExpired, waitUntilAllSlotsFilled, RequestState } = require("./marketplace")
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const { price, pricePerSlot } = require("./price")
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const {
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snapshot,
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revert,
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ensureMinimumBlockHeight,
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advanceTimeTo,
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currentTime,
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} = require("./evm")
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describe("Marketplace", function () {
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const collateral = 100
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const proofPeriod = 30 * 60
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const proofTimeout = 5
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const proofDowntime = 64
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const proof = hexlify(randomBytes(42))
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let marketplace
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let token
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let client, host, host1, host2, host3
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let request
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let slot
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beforeEach(async function () {
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await snapshot()
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await ensureMinimumBlockHeight(256)
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;[client, host1, host2, host3] = await ethers.getSigners()
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host = host1
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const TestToken = await ethers.getContractFactory("TestToken")
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token = await TestToken.deploy()
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for (account of [client, host1, host2, host3]) {
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await token.mint(account.address, 1_000_000_000)
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}
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const Marketplace = await ethers.getContractFactory("TestMarketplace")
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marketplace = await Marketplace.deploy(
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token.address,
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collateral,
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proofPeriod,
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proofTimeout,
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proofDowntime
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)
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request = exampleRequest()
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request.client = client.address
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slot = {
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request: requestId(request),
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index: request.ask.slots / 2,
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}
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})
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afterEach(async function () {
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await revert()
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})
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function switchAccount(account) {
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token = token.connect(account)
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marketplace = marketplace.connect(account)
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}
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describe("requesting storage", function () {
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beforeEach(function () {
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switchAccount(client)
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})
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it("emits event when storage is requested", async function () {
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await token.approve(marketplace.address, price(request))
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await expect(marketplace.requestStorage(request))
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.to.emit(marketplace, "StorageRequested")
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.withArgs(requestId(request), askToArray(request.ask))
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})
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it("rejects request with invalid client address", async function () {
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let invalid = { ...request, client: host.address }
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await token.approve(marketplace.address, price(invalid))
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await expect(marketplace.requestStorage(invalid)).to.be.revertedWith(
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"Invalid client address"
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)
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})
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it("rejects request with insufficient payment", async function () {
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let insufficient = price(request) - 1
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await token.approve(marketplace.address, insufficient)
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await expect(marketplace.requestStorage(request)).to.be.revertedWith(
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"ERC20: insufficient allowance"
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)
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})
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it("rejects resubmission of request", async function () {
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await token.approve(marketplace.address, price(request) * 2)
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await marketplace.requestStorage(request)
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await expect(marketplace.requestStorage(request)).to.be.revertedWith(
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"Request already exists"
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)
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})
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})
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describe("freeing a slot", function () {
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var id
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beforeEach(async function () {
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slot.index = 0
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id = slotId(slot)
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switchAccount(client)
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await token.approve(marketplace.address, price(request))
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await marketplace.requestStorage(request)
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switchAccount(host)
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await token.approve(marketplace.address, collateral)
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await marketplace.deposit(collateral)
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// await marketplace.fillSlot(slot.request, slot.index, proof)
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})
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it("fails to free slot when slot not filled", async function () {
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slot.index = 5
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let nonExistentId = slotId(slot)
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await expect(marketplace.freeSlot(nonExistentId)).to.be.revertedWith(
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"Slot empty"
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)
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})
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it("fails to free slot when not started", async function () {
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await marketplace.fillSlot(slot.request, slot.index, proof)
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await expect(marketplace.freeSlot(id)).to.be.revertedWith("Invalid state")
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})
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it("successfully frees slot", async function () {
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await waitUntilAllSlotsFilled(
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marketplace,
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request.ask.slots,
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slot.request,
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proof
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)
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await expect(marketplace.freeSlot(id)).not.to.be.reverted
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})
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it("emits event once slot is freed", async function () {
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await waitUntilAllSlotsFilled(
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marketplace,
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request.ask.slots,
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slot.request,
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proof
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)
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await expect(await marketplace.freeSlot(id))
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.to.emit(marketplace, "SlotFreed")
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.withArgs(slot.request, id)
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})
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it("cannot get slot once freed", async function () {
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await waitUntilAllSlotsFilled(
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marketplace,
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request.ask.slots,
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slot.request,
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proof
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)
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await marketplace.freeSlot(id)
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await expect(marketplace.slot(id)).to.be.revertedWith("Slot empty")
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})
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})
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describe("filling a slot", function () {
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beforeEach(async function () {
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switchAccount(client)
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await token.approve(marketplace.address, price(request))
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await marketplace.requestStorage(request)
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switchAccount(host)
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await token.approve(marketplace.address, collateral)
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await marketplace.deposit(collateral)
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})
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it("emits event when slot is filled", async function () {
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await expect(marketplace.fillSlot(slot.request, slot.index, proof))
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.to.emit(marketplace, "SlotFilled")
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.withArgs(slot.request, slot.index, slotId(slot))
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})
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it("locks collateral of host", async function () {
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await marketplace.fillSlot(slot.request, slot.index, proof)
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await expect(marketplace.withdraw()).to.be.revertedWith("Account locked")
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})
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it("starts requiring storage proofs", async function () {
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await marketplace.fillSlot(slot.request, slot.index, proof)
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expect(await marketplace.proofEnd(slotId(slot))).to.be.gt(0)
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})
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it("is rejected when proof is incorrect", async function () {
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let invalid = hexlify([])
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await expect(
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marketplace.fillSlot(slot.request, slot.index, invalid)
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).to.be.revertedWith("Invalid proof")
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})
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it("is rejected when collateral is insufficient", async function () {
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let insufficient = collateral - 1
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await marketplace.withdraw()
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await token.approve(marketplace.address, insufficient)
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await marketplace.deposit(insufficient)
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await expect(
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marketplace.fillSlot(slot.request, slot.index, proof)
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).to.be.revertedWith("Insufficient collateral")
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})
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it("is rejected when slot already filled", async function () {
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await marketplace.fillSlot(slot.request, slot.index, proof)
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await expect(
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marketplace.fillSlot(slot.request, slot.index, proof)
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).to.be.revertedWith("Slot already filled")
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})
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it("is rejected when request is unknown", async function () {
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let unknown = exampleRequest()
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await expect(
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marketplace.fillSlot(requestId(unknown), 0, proof)
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).to.be.revertedWith("Unknown request")
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})
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it("is rejected when request is expired/cancelled", async function () {
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switchAccount(client)
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let expired = { ...request, expiry: now() - hours(1) }
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await token.approve(marketplace.address, price(request))
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await marketplace.requestStorage(expired)
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switchAccount(host)
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await expect(
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marketplace.fillSlot(requestId(expired), slot.index, proof)
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).to.be.revertedWith("Request cancelled")
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})
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it("is rejected when slot index not in range", async function () {
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const invalid = request.ask.slots
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await expect(
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marketplace.fillSlot(slot.request, invalid, proof)
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).to.be.revertedWith("Invalid slot")
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})
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it("fails when all slots are already filled", async function () {
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const lastSlot = request.ask.slots - 1
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for (let i = 0; i <= lastSlot; i++) {
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await marketplace.fillSlot(slot.request, i, proof)
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}
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await expect(
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marketplace.fillSlot(slot.request, lastSlot, proof)
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).to.be.revertedWith("Invalid state")
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})
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})
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describe("paying out a slot", function () {
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beforeEach(async function () {
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switchAccount(client)
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await token.approve(marketplace.address, price(request))
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await marketplace.requestStorage(request)
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switchAccount(host)
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await token.approve(marketplace.address, collateral)
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await marketplace.deposit(collateral)
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})
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async function waitUntilEnd() {
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const end = (await marketplace.proofEnd(slotId(slot))).toNumber()
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await advanceTimeTo(end)
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}
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it("pays the host", async function () {
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await marketplace.fillSlot(slot.request, slot.index, proof)
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await waitUntilEnd()
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const startBalance = await token.balanceOf(host.address)
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await marketplace.payoutSlot(slot.request, slot.index)
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const endBalance = await token.balanceOf(host.address)
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expect(endBalance - startBalance).to.equal(pricePerSlot(request))
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})
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it("is only allowed when the slot is filled", async function () {
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await expect(
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marketplace.payoutSlot(slot.request, slot.index)
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).to.be.revertedWith("Slot empty")
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})
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it("is only allowed when the contract has ended", async function () {
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await marketplace.fillSlot(slot.request, slot.index, proof)
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await expect(
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marketplace.payoutSlot(slot.request, slot.index)
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).to.be.revertedWith("Contract not ended")
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})
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it("can only be done once", async function () {
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await marketplace.fillSlot(slot.request, slot.index, proof)
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await waitUntilEnd()
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await marketplace.payoutSlot(slot.request, slot.index)
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await expect(
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marketplace.payoutSlot(slot.request, slot.index)
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).to.be.revertedWith("Already paid")
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})
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it("cannot be filled again", async function () {
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await marketplace.fillSlot(slot.request, slot.index, proof)
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await waitUntilEnd()
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await marketplace.payoutSlot(slot.request, slot.index)
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await expect(marketplace.fillSlot(slot.request, slot.index, proof)).to.be
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.reverted
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})
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})
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describe("fulfilling a request", function () {
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beforeEach(async function () {
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switchAccount(client)
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await token.approve(marketplace.address, price(request))
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await marketplace.requestStorage(request)
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switchAccount(host)
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await token.approve(marketplace.address, collateral)
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await marketplace.deposit(collateral)
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})
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it("emits event when all slots are filled", async function () {
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const lastSlot = request.ask.slots - 1
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for (let i = 0; i < lastSlot; i++) {
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await marketplace.fillSlot(slot.request, i, proof)
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}
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await expect(marketplace.fillSlot(slot.request, lastSlot, proof))
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.to.emit(marketplace, "RequestFulfilled")
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.withArgs(requestId(request))
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})
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it("sets state when all slots are filled", async function () {
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const lastSlot = request.ask.slots - 1
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for (let i = 0; i <= lastSlot; i++) {
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await marketplace.fillSlot(slot.request, i, proof)
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}
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await expect(await marketplace.state(slot.request)).to.equal(
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RequestState.Started
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)
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})
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})
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describe("withdrawing funds", function () {
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beforeEach(async function () {
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switchAccount(client)
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await token.approve(marketplace.address, price(request))
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await marketplace.requestStorage(request)
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switchAccount(host)
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await token.approve(marketplace.address, collateral)
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await marketplace.deposit(collateral)
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})
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it("rejects withdraw when request not yet timed out", async function () {
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switchAccount(client)
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await expect(marketplace.withdrawFunds(slot.request)).to.be.revertedWith(
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"Request not yet timed out"
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)
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})
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it("rejects withdraw when wrong account used", async function () {
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await waitUntilExpired(request.expiry)
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await expect(marketplace.withdrawFunds(slot.request)).to.be.revertedWith(
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"Invalid client address"
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)
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})
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it("rejects withdraw when in wrong state", async function () {
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// fill all slots, should change state to RequestState.Started
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const lastSlot = request.ask.slots - 1
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for (let i = 0; i <= lastSlot; i++) {
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await marketplace.fillSlot(slot.request, i, proof)
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}
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await waitUntilExpired(request.expiry)
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switchAccount(client)
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await expect(marketplace.withdrawFunds(slot.request)).to.be.revertedWith(
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"Invalid state"
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)
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})
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it("emits event once request is cancelled", async function () {
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await waitUntilExpired(request.expiry)
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switchAccount(client)
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await expect(marketplace.withdrawFunds(slot.request))
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.to.emit(marketplace, "RequestCancelled")
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.withArgs(requestId(request))
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})
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it("withdraws to the client", async function () {
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await waitUntilExpired(request.expiry)
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switchAccount(client)
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const startBalance = await token.balanceOf(client.address)
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await marketplace.withdrawFunds(slot.request)
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const endBalance = await token.balanceOf(client.address)
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expect(endBalance - startBalance).to.equal(price(request))
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})
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})
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describe("contract state", function () {
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beforeEach(async function () {
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switchAccount(client)
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await token.approve(marketplace.address, price(request))
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await marketplace.requestStorage(request)
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switchAccount(host)
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await token.approve(marketplace.address, collateral)
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await marketplace.deposit(collateral)
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})
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it("changes state to Cancelled when client withdraws funds", async function () {
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await expect(await marketplace.state(slot.request)).to.equal(
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RequestState.New
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)
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await waitUntilExpired(request.expiry)
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switchAccount(client)
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await marketplace.withdrawFunds(slot.request)
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await expect(await marketplace.state(slot.request)).to.equal(
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RequestState.Cancelled
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)
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})
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it("changes state to Started once all slots are filled", async function () {
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await expect(await marketplace.state(slot.request)).to.equal(
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RequestState.New
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)
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await waitUntilAllSlotsFilled(
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marketplace,
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request.ask.slots,
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slot.request,
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proof
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)
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await expect(await marketplace.state(slot.request)).to.equal(
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RequestState.Started
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)
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})
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it("state is Failed once too many slots are freed", async function () {
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await waitUntilAllSlotsFilled(
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marketplace,
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request.ask.slots,
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slot.request,
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proof
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)
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for (let i = 0; i <= request.ask.maxSlotLoss; i++) {
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slot.index = i
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let id = slotId(slot)
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await marketplace.freeSlot(id)
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}
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await expect(await marketplace.state(slot.request)).to.equal(
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RequestState.Failed
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)
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})
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it("changes state to Cancelled once request is cancelled", async function () {
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await waitUntilExpired(request.expiry)
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await expect(await marketplace.state(slot.request)).to.equal(
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RequestState.Cancelled
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)
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})
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it("changes isCancelled to true once request is cancelled", async function () {
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await expect(await marketplace.isCancelled(slot.request)).to.be.false
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await waitUntilExpired(request.expiry)
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await expect(await marketplace.isCancelled(slot.request)).to.be.true
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})
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it("rejects isSlotCancelled when slot is empty", async function () {
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await expect(
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marketplace.isSlotCancelled(slotId(slot))
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).to.be.revertedWith("Slot empty")
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})
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it("changes isSlotCancelled to true once request is cancelled", async function () {
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await marketplace.fillSlot(slot.request, slot.index, proof)
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await expect(await marketplace.isSlotCancelled(slotId(slot))).to.be.false
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await waitUntilExpired(request.expiry)
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await expect(await marketplace.isSlotCancelled(slotId(slot))).to.be.true
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})
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it("changes proofEnd to the past when request is cancelled", async function () {
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await marketplace.fillSlot(slot.request, slot.index, proof)
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await expect(await marketplace.proofEnd(slotId(slot))).to.be.gt(
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await currentTime()
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)
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await waitUntilExpired(request.expiry)
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await expect(await marketplace.proofEnd(slotId(slot))).to.be.lt(
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await currentTime()
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)
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})
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})
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})
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