227 lines
7.8 KiB
JavaScript
227 lines
7.8 KiB
JavaScript
const { ethers } = require("hardhat")
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const { expect } = require("chai")
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const { exampleRequest, exampleOffer } = require("./examples")
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const { now, hours } = require("./time")
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const { requestId, offerId, requestToArray, offerToArray } = require("./ids")
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describe("Marketplace", function () {
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const collateral = 100
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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, offer
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beforeEach(async function () {
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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, 1000)
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}
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const Marketplace = await ethers.getContractFactory("Marketplace")
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marketplace = await Marketplace.deploy(token.address, collateral)
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request = exampleRequest()
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request.client = client.address
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offer = exampleOffer()
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offer.host = host.address
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offer.requestId = requestId(request)
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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, request.maxPrice)
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await expect(marketplace.requestStorage(request))
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.to.emit(marketplace, "StorageRequested")
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.withArgs(requestId(request), requestToArray(request))
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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, invalid.maxPrice)
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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 = request.maxPrice - 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: transfer amount exceeds 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, request.maxPrice * 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("offering storage", function () {
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beforeEach(async function () {
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switchAccount(client)
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await token.approve(marketplace.address, request.maxPrice)
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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 storage is offered", async function () {
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await expect(marketplace.offerStorage(offer))
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.to.emit(marketplace, "StorageOffered")
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.withArgs(offerId(offer), offerToArray(offer), requestId(request))
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})
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it("locks collateral of host", async function () {
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await marketplace.offerStorage(offer)
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await expect(marketplace.withdraw()).to.be.revertedWith("Account locked")
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})
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it("rejects offer with invalid host address", async function () {
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let invalid = { ...offer, host: client.address }
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await expect(marketplace.offerStorage(invalid)).to.be.revertedWith(
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"Invalid host address"
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)
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})
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it("rejects offer for unknown request", async function () {
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let unknown = exampleRequest()
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let invalid = { ...offer, requestId: requestId(unknown) }
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await expect(marketplace.offerStorage(invalid)).to.be.revertedWith(
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"Unknown request"
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)
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})
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it("rejects offer for expired request", 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, request.maxPrice)
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await marketplace.requestStorage(expired)
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switchAccount(host)
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let invalid = { ...offer, requestId: requestId(expired) }
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await expect(marketplace.offerStorage(invalid)).to.be.revertedWith(
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"Request expired"
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)
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})
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it("rejects an offer that exceeds the maximum price", async function () {
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let invalid = { ...offer, price: request.maxPrice + 1 }
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await expect(marketplace.offerStorage(invalid)).to.be.revertedWith(
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"Price too high"
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)
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})
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it("rejects resubmission of offer", async function () {
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await marketplace.offerStorage(offer)
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await expect(marketplace.offerStorage(offer)).to.be.revertedWith(
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"Offer already exists"
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)
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})
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it("rejects offer with insufficient collateral", 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(marketplace.offerStorage(offer)).to.be.revertedWith(
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"Insufficient collateral"
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)
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})
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})
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describe("selecting an offer", async function () {
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beforeEach(async function () {
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switchAccount(client)
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await token.approve(marketplace.address, request.maxPrice)
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await marketplace.requestStorage(request)
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for (host of [host1, host2, host3]) {
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switchAccount(host)
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let hostOffer = { ...offer, host: host.address }
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await token.approve(marketplace.address, collateral)
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await marketplace.deposit(collateral)
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await marketplace.offerStorage(hostOffer)
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}
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switchAccount(client)
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})
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it("emits event when offer is selected", async function () {
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await expect(marketplace.selectOffer(offerId(offer)))
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.to.emit(marketplace, "OfferSelected")
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.withArgs(offerId(offer), requestId(request))
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})
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it("returns price difference to client", async function () {
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let difference = request.maxPrice - offer.price
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let before = await token.balanceOf(client.address)
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await marketplace.selectOffer(offerId(offer))
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let after = await token.balanceOf(client.address)
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expect(after - before).to.equal(difference)
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})
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it("unlocks collateral of hosts that weren't chosen", async function () {
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await marketplace.selectOffer(offerId(offer))
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switchAccount(host2)
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await expect(marketplace.withdraw()).not.to.be.reverted
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switchAccount(host3)
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await expect(marketplace.withdraw()).not.to.be.reverted
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})
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it("locks collateral of host that was chosen", async function () {
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await marketplace.selectOffer(offerId(offer))
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switchAccount(host1)
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await expect(marketplace.withdraw()).to.be.revertedWith("Account locked")
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})
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it("rejects selection of unknown offer", async function () {
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let unknown = exampleOffer()
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await expect(
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marketplace.selectOffer(offerId(unknown))
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).to.be.revertedWith("Unknown offer")
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})
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it("rejects selection of expired offer", async function () {
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let expired = { ...offer, expiry: now() - hours(1) }
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switchAccount(host1)
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await marketplace.offerStorage(expired)
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switchAccount(client)
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await expect(
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marketplace.selectOffer(offerId(expired))
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).to.be.revertedWith("Offer expired")
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})
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it("rejects reselection of offer", async function () {
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let secondOffer = { ...offer, host: host2.address }
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await marketplace.selectOffer(offerId(offer))
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await expect(
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marketplace.selectOffer(offerId(secondOffer))
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).to.be.revertedWith("Offer already selected")
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})
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it("rejects selection by anyone other than the client", async function () {
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switchAccount(host1)
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await expect(marketplace.selectOffer(offerId(offer))).to.be.revertedWith(
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"Only client can select offer"
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)
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})
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})
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})
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