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basic.spec.ts
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import { expect } from "chai";
import { ethers, network } from "hardhat";
import { deployContract } from "./utils/contracts";
import {
convertSignatureToEIP2098,
defaultAcceptOfferMirrorFulfillment,
defaultBuyNowMirrorFulfillment,
getBasicOrderExecutions,
getBasicOrderParameters,
getItemETH,
random128,
randomBN,
randomHex,
toAddress,
toBN,
toKey,
} from "./utils/encoding";
import { faucet } from "./utils/faucet";
import { seaportFixture } from "./utils/fixtures";
import { VERSION, minRandom, simulateMatchOrders } from "./utils/helpers";
import type {
ConduitInterface,
ConsiderationInterface,
EIP1271Wallet,
EIP1271Wallet__factory,
TestERC20,
TestERC721,
TestZone,
} from "../typechain-types";
import type { SeaportFixtures } from "./utils/fixtures";
import type { Wallet } from "ethers";
const { parseEther, keccak256 } = ethers.utils;
/**
* Buy now or accept offer for a single ERC721 or ERC1155 in exchange for
* ETH, WETH or ERC20
*/
describe(`Basic buy now or accept offer flows (Seaport v${VERSION})`, function () {
const { provider } = ethers;
const owner = new ethers.Wallet(randomHex(32), provider);
let conduitKeyOne: string;
let conduitOne: ConduitInterface;
let EIP1271WalletFactory: EIP1271Wallet__factory;
let marketplaceContract: ConsiderationInterface;
let stubZone: TestZone;
let testERC20: TestERC20;
let testERC721: TestERC721;
let checkExpectedEvents: SeaportFixtures["checkExpectedEvents"];
let createMirrorAcceptOfferOrder: SeaportFixtures["createMirrorAcceptOfferOrder"];
let createMirrorBuyNowOrder: SeaportFixtures["createMirrorBuyNowOrder"];
let createOrder: SeaportFixtures["createOrder"];
let getTestItem1155: SeaportFixtures["getTestItem1155"];
let getTestItem20: SeaportFixtures["getTestItem20"];
let getTestItem721: SeaportFixtures["getTestItem721"];
let mint721: SeaportFixtures["mint721"];
let mintAndApprove1155: SeaportFixtures["mintAndApprove1155"];
let mintAndApprove721: SeaportFixtures["mintAndApprove721"];
let mintAndApproveERC20: SeaportFixtures["mintAndApproveERC20"];
let set721ApprovalForAll: SeaportFixtures["set721ApprovalForAll"];
let withBalanceChecks: SeaportFixtures["withBalanceChecks"];
after(async () => {
await network.provider.request({
method: "hardhat_reset",
});
});
before(async () => {
await faucet(owner.address, provider);
({
checkExpectedEvents,
conduitKeyOne,
conduitOne,
createMirrorAcceptOfferOrder,
createMirrorBuyNowOrder,
createOrder,
EIP1271WalletFactory,
getTestItem1155,
getTestItem20,
getTestItem721,
marketplaceContract,
mint721,
mintAndApprove1155,
mintAndApprove721,
mintAndApproveERC20,
set721ApprovalForAll,
stubZone,
testERC20,
testERC721,
withBalanceChecks,
} = await seaportFixture(owner));
});
let seller: Wallet;
let buyer: Wallet;
let zone: Wallet;
let sellerContract: EIP1271Wallet;
let buyerContract: EIP1271Wallet;
beforeEach(async () => {
// Setup basic buyer/seller wallets with ETH
seller = new ethers.Wallet(randomHex(32), provider);
buyer = new ethers.Wallet(randomHex(32), provider);
zone = new ethers.Wallet(randomHex(32), provider);
sellerContract = await EIP1271WalletFactory.deploy(seller.address);
buyerContract = await EIP1271WalletFactory.deploy(buyer.address);
for (const wallet of [seller, buyer, zone, sellerContract, buyerContract]) {
await faucet(wallet.address, provider);
}
});
describe("A single ERC721 is to be transferred", async () => {
describe("[Buy now] User fulfills a sell order for a single ERC721", async () => {
it("ERC721 <=> ETH (standard)", async () => {
const nftId = await mintAndApprove721(
seller,
marketplaceContract.address
);
const offer = [getTestItem721(nftId)];
const consideration = [
getItemETH(parseEther("10"), parseEther("10"), seller.address),
getItemETH(parseEther("1"), parseEther("1"), zone.address),
getItemETH(parseEther("1"), parseEther("1"), owner.address),
];
const { order, orderHash, value } = await createOrder(
seller,
zone,
offer,
consideration,
0 // FULL_OPEN
);
await withBalanceChecks([order], 0, undefined, async () => {
const tx = marketplaceContract
.connect(buyer)
.fulfillOrder(order, toKey(0), {
value,
});
const receipt = await (await tx).wait();
await checkExpectedEvents(tx, receipt, [
{
order,
orderHash,
fulfiller: buyer.address,
},
]);
return receipt;
});
});
it("ERC721 <=> ETH (standard via conduit)", async () => {
const nftId = await mintAndApprove721(seller, conduitOne.address);
const offer = [getTestItem721(nftId)];
const consideration = [
getItemETH(parseEther("10"), parseEther("10"), seller.address),
getItemETH(parseEther("1"), parseEther("1"), zone.address),
getItemETH(parseEther("1"), parseEther("1"), owner.address),
];
const { order, orderHash, value } = await createOrder(
seller,
zone,
offer,
consideration,
0, // FULL_OPEN
[],
null,
seller,
ethers.constants.HashZero,
conduitKeyOne
);
await withBalanceChecks([order], 0, undefined, async () => {
const tx = marketplaceContract
.connect(buyer)
.fulfillOrder(order, toKey(0), {
value,
});
const receipt = await (await tx).wait();
await checkExpectedEvents(tx, receipt, [
{
order,
orderHash,
fulfiller: buyer.address,
fulfillerConduitKey: toKey(0),
},
]);
return receipt;
});
});
it("ERC721 <=> ETH (standard with tip)", async () => {
const nftId = await mintAndApprove721(
seller,
marketplaceContract.address
);
const offer = [getTestItem721(nftId)];
const consideration = [
getItemETH(parseEther("10"), parseEther("10"), seller.address),
getItemETH(parseEther("1"), parseEther("1"), zone.address),
];
const { order, orderHash, value } = await createOrder(
seller,
zone,
offer,
consideration,
0 // FULL_OPEN
);
// Add a tip
order.parameters.consideration.push(
getItemETH(parseEther("1"), parseEther("1"), owner.address)
);
await withBalanceChecks([order], 0, undefined, async () => {
const tx = marketplaceContract
.connect(buyer)
.fulfillOrder(order, toKey(0), {
value: value.add(parseEther("1")),
});
const receipt = await (await tx).wait();
await checkExpectedEvents(tx, receipt, [
{
order,
orderHash,
fulfiller: buyer.address,
},
]);
return receipt;
});
});
it("ERC721 <=> ETH (standard with restricted order)", async () => {
const nftId = await mintAndApprove721(
seller,
marketplaceContract.address
);
const offer = [getTestItem721(nftId)];
const consideration = [
getItemETH(parseEther("10"), parseEther("10"), seller.address),
getItemETH(parseEther("1"), parseEther("1"), zone.address),
getItemETH(parseEther("1"), parseEther("1"), owner.address),
];
const { order, orderHash, value } = await createOrder(
seller,
stubZone,
offer,
consideration,
2 // FULL_RESTRICTED
);
await withBalanceChecks([order], 0, undefined, async () => {
const tx = marketplaceContract
.connect(buyer)
.fulfillOrder(order, toKey(0), {
value,
});
const receipt = await (await tx).wait();
await checkExpectedEvents(tx, receipt, [
{
order,
orderHash,
fulfiller: buyer.address,
fulfillerConduitKey: toKey(0),
},
]);
return receipt;
});
});
it("ERC721 <=> ETH (standard with restricted order and extra data)", async () => {
const nftId = await mintAndApprove721(
seller,
marketplaceContract.address
);
const offer = [getTestItem721(nftId)];
const consideration = [
getItemETH(parseEther("10"), parseEther("10"), seller.address),
getItemETH(parseEther("1"), parseEther("1"), zone.address),
getItemETH(parseEther("1"), parseEther("1"), owner.address),
];
const { order, orderHash, value } = await createOrder(
seller,
stubZone,
offer,
consideration,
2 // FULL_RESTRICTED
);
order.extraData = "0x1234";
await withBalanceChecks([order], 0, undefined, async () => {
const tx = marketplaceContract
.connect(buyer)
.fulfillAdvancedOrder(
order,
[],
toKey(0),
ethers.constants.AddressZero,
{
value,
}
);
const receipt = await (await tx).wait();
await checkExpectedEvents(tx, receipt, [
{
order,
orderHash,
fulfiller: buyer.address,
},
]);
return receipt;
});
});
it("ERC721 <=> ETH (standard with restricted order, specified recipient and extra data)", async () => {
const nftId = await mintAndApprove721(
seller,
marketplaceContract.address
);
const offer = [getTestItem721(nftId)];
const consideration = [
getItemETH(parseEther("10"), parseEther("10"), seller.address),
getItemETH(parseEther("1"), parseEther("1"), zone.address),
];
const { order, orderHash, value } = await createOrder(
seller,
stubZone,
offer,
consideration,
2 // FULL_RESTRICTED
);
order.extraData = "0x1234";
await withBalanceChecks([order], 0, undefined, async () => {
const tx = marketplaceContract
.connect(buyer)
.fulfillAdvancedOrder(order, [], toKey(0), owner.address, {
value,
});
const receipt = await (await tx).wait();
await checkExpectedEvents(tx, receipt, [
{
order,
orderHash,
fulfiller: buyer.address,
recipient: owner.address,
},
]);
return receipt;
});
});
it("ERC721 <=> ETH (basic)", async () => {
const nftId = await mintAndApprove721(
seller,
marketplaceContract.address
);
const offer = [getTestItem721(nftId)];
const consideration = [
getItemETH(parseEther("10"), parseEther("10"), seller.address),
getItemETH(parseEther("1"), parseEther("1"), zone.address),
getItemETH(parseEther("1"), parseEther("1"), owner.address),
];
const { order, orderHash, value } = await createOrder(
seller,
zone,
offer,
consideration,
0 // FULL_OPEN
);
const basicOrderParameters = getBasicOrderParameters(
0, // EthForERC721
order
);
await withBalanceChecks([order], 0, undefined, async () => {
const tx = marketplaceContract
.connect(buyer)
.fulfillBasicOrder(basicOrderParameters, {
value,
});
const receipt = await (await tx).wait();
await checkExpectedEvents(tx, receipt, [
{
order,
orderHash,
fulfiller: buyer.address,
},
]);
return receipt;
});
});
it("ERC721 <=> ETH (basic, minimal and listed off-chain)", async () => {
// Seller mints nft
const nftId = await mintAndApprove721(
seller,
marketplaceContract.address
);
const offer = [getTestItem721(nftId)];
const consideration = [getItemETH(toBN(1), toBN(1), seller.address)];
const { order, orderHash, value } = await createOrder(
seller,
ethers.constants.AddressZero,
offer,
consideration,
0, // FULL_OPEN
[],
null,
seller,
ethers.constants.HashZero,
ethers.constants.HashZero,
true // extraCheap
);
const basicOrderParameters = getBasicOrderParameters(
0, // EthForERC721
order
);
await withBalanceChecks([order], 0, undefined, async () => {
const tx = marketplaceContract
.connect(buyer)
.fulfillBasicOrder(basicOrderParameters, {
value,
});
const receipt = await (await tx).wait();
await checkExpectedEvents(tx, receipt, [
{
order,
orderHash,
fulfiller: buyer.address,
},
]);
return receipt;
});
});
it("ERC721 <=> ETH (basic, minimal and verified on-chain)", async () => {
// Seller mints nft
const nftId = await mintAndApprove721(
seller,
marketplaceContract.address
);
const offer = [getTestItem721(nftId)];
const consideration = [getItemETH(toBN(1), toBN(1), seller.address)];
const { order, orderHash, value } = await createOrder(
seller,
ethers.constants.AddressZero,
offer,
consideration,
0, // FULL_OPEN
[],
null,
seller,
ethers.constants.HashZero,
ethers.constants.HashZero,
true // extraCheap
);
// Validate the order from any account
await expect(marketplaceContract.connect(owner).validate([order]))
.to.emit(marketplaceContract, "OrderValidated")
.withArgs(orderHash, seller.address, ethers.constants.AddressZero);
const basicOrderParameters = getBasicOrderParameters(
0, // EthForERC721
order
);
await withBalanceChecks([order], 0, undefined, async () => {
const tx = marketplaceContract
.connect(buyer)
.fulfillBasicOrder(basicOrderParameters, {
value,
});
const receipt = await (await tx).wait();
await checkExpectedEvents(tx, receipt, [
{
order,
orderHash,
fulfiller: buyer.address,
},
]);
return receipt;
});
});
it("ERC721 <=> ETH (standard, minimal and listed off-chain)", async () => {
// Seller mints nft
const nftId = await mintAndApprove721(
seller,
marketplaceContract.address
);
const offer = [getTestItem721(nftId)];
const consideration = [getItemETH(toBN(1), toBN(1), seller.address)];
const { order, orderHash, value } = await createOrder(
seller,
ethers.constants.AddressZero,
offer,
consideration,
0, // FULL_OPEN
[],
null,
seller,
ethers.constants.HashZero,
ethers.constants.HashZero,
true // extraCheap
);
await withBalanceChecks([order], 0, undefined, async () => {
const tx = marketplaceContract
.connect(buyer)
.fulfillOrder(order, toKey(0), {
value,
});
const receipt = await (await tx).wait();
await checkExpectedEvents(tx, receipt, [
{
order,
orderHash,
fulfiller: buyer.address,
fulfillerConduitKey: toKey(0),
},
]);
return receipt;
});
});
it("ERC721 <=> ETH (standard, minimal and verified on-chain)", async () => {
// Seller mints nft
const nftId = await mintAndApprove721(
seller,
marketplaceContract.address
);
const offer = [getTestItem721(nftId)];
const consideration = [
getItemETH(toBN(1), toBN(1), ethers.constants.AddressZero),
];
const { order, orderHash, value } = await createOrder(
seller,
ethers.constants.AddressZero,
offer,
consideration,
0, // FULL_OPEN
[],
null,
seller,
ethers.constants.HashZero,
ethers.constants.HashZero,
true // extraCheap
);
// Validate the order from any account
await expect(marketplaceContract.connect(owner).validate([order]))
.to.emit(marketplaceContract, "OrderValidated")
.withArgs(orderHash, seller.address, ethers.constants.AddressZero);
await withBalanceChecks([order], 0, undefined, async () => {
const tx = marketplaceContract
.connect(buyer)
.fulfillOrder(order, toKey(0), {
value,
});
const receipt = await (await tx).wait();
await checkExpectedEvents(tx, receipt, [
{
order,
orderHash,
fulfiller: buyer.address,
fulfillerConduitKey: toKey(0),
},
]);
return receipt;
});
});
it("ERC721 <=> ETH (advanced, minimal and listed off-chain)", async () => {
// Seller mints nft
const nftId = await mintAndApprove721(
seller,
marketplaceContract.address
);
const offer = [getTestItem721(nftId)];
const consideration = [getItemETH(toBN(1), toBN(1), seller.address)];
const { order, orderHash, value } = await createOrder(
seller,
ethers.constants.AddressZero,
offer,
consideration,
0, // FULL_OPEN
[],
null,
seller,
ethers.constants.HashZero,
ethers.constants.HashZero,
true // extraCheap
);
await withBalanceChecks([order], 0, undefined, async () => {
const tx = marketplaceContract
.connect(buyer)
.fulfillAdvancedOrder(
order,
[],
toKey(0),
ethers.constants.AddressZero,
{
value,
}
);
const receipt = await (await tx).wait();
await checkExpectedEvents(tx, receipt, [
{
order,
orderHash,
fulfiller: buyer.address,
},
]);
return receipt;
});
});
it("ERC721 <=> ETH (advanced, minimal and verified on-chain)", async () => {
// Seller mints nft
const nftId = await mintAndApprove721(
seller,
marketplaceContract.address
);
const offer = [getTestItem721(nftId)];
const consideration = [getItemETH(toBN(1), toBN(1), seller.address)];
const { order, orderHash, value } = await createOrder(
seller,
ethers.constants.AddressZero,
offer,
consideration,
0, // FULL_OPEN
[],
null,
seller,
ethers.constants.HashZero,
ethers.constants.HashZero,
true // extraCheap
);
// Validate the order from any account
await expect(marketplaceContract.connect(owner).validate([order]))
.to.emit(marketplaceContract, "OrderValidated")
.withArgs(orderHash, seller.address, ethers.constants.AddressZero);
await withBalanceChecks([order], 0, undefined, async () => {
const tx = marketplaceContract
.connect(buyer)
.fulfillAdvancedOrder(
order,
[],
toKey(0),
ethers.constants.AddressZero,
{
value,
}
);
const receipt = await (await tx).wait();
await checkExpectedEvents(tx, receipt, [
{
order,
orderHash,
fulfiller: buyer.address,
},
]);
return receipt;
});
});
it("ERC721 <=> ETH (basic with tips)", async () => {
const nftId = await mintAndApprove721(
seller,
marketplaceContract.address
);
const offer = [getTestItem721(nftId)];
const consideration = [
getItemETH(parseEther("10"), parseEther("10"), seller.address),
getItemETH(parseEther("1"), parseEther("1"), zone.address),
getItemETH(parseEther("1"), parseEther("1"), owner.address),
];
const { order, orderHash, value } = await createOrder(
seller,
zone,
offer,
consideration,
0 // FULL_OPEN
);
const basicOrderParameters = getBasicOrderParameters(
0, // EthForERC721
order,
false,
[
{
amount: parseEther("2"),
recipient: `0x0000000000000000000000000000000000000001`,
},
{
amount: parseEther("3"),
recipient: `0x0000000000000000000000000000000000000002`,
},
{
amount: parseEther("4"),
recipient: `0x0000000000000000000000000000000000000003`,
},
]
);
order.parameters.consideration.push(
getItemETH(
parseEther("2"),
parseEther("2"),
"0x0000000000000000000000000000000000000001"
)
);
order.parameters.consideration.push(
getItemETH(
parseEther("3"),
parseEther("3"),
"0x0000000000000000000000000000000000000002"
)
);
order.parameters.consideration.push(
getItemETH(
parseEther("4"),
parseEther("4"),
"0x0000000000000000000000000000000000000003"
)
);
await withBalanceChecks([order], 0, undefined, async () => {
const tx = marketplaceContract
.connect(buyer)
.fulfillBasicOrder(basicOrderParameters, {
value: value.add(parseEther("9")),
});
const receipt = await (await tx).wait();
await checkExpectedEvents(tx, receipt, [
{
order,
orderHash,
fulfiller: buyer.address,
},
]);
return receipt;
});
});
it("ERC721 <=> ETH (basic via conduit)", async () => {
const nftId = await mintAndApprove721(seller, conduitOne.address);
const offer = [getTestItem721(nftId)];
const consideration = [
getItemETH(parseEther("10"), parseEther("10"), seller.address),
getItemETH(parseEther("1"), parseEther("1"), zone.address),
getItemETH(parseEther("1"), parseEther("1"), owner.address),
];
const { order, orderHash, value } = await createOrder(
seller,
zone,
offer,
consideration,
0, // FULL_OPEN
[],
null,
seller,
ethers.constants.HashZero,
conduitKeyOne
);
const basicOrderParameters = getBasicOrderParameters(
0, // EthForERC721
order
);
await withBalanceChecks([order], 0, undefined, async () => {
const tx = marketplaceContract
.connect(buyer)
.fulfillBasicOrder(basicOrderParameters, {
value,
});
const receipt = await (await tx).wait();
await checkExpectedEvents(tx, receipt, [
{
order,
orderHash,
fulfiller: buyer.address,
},
]);
return receipt;
});
});
it("ERC721 <=> ETH (basic with restricted order)", async () => {
const nftId = await mintAndApprove721(
seller,
marketplaceContract.address
);
const offer = [getTestItem721(nftId)];
const consideration = [
getItemETH(parseEther("10"), parseEther("10"), seller.address),
getItemETH(parseEther("1"), parseEther("1"), zone.address),
getItemETH(parseEther("1"), parseEther("1"), owner.address),
];
const { order, orderHash, value } = await createOrder(
seller,
stubZone,
offer,
consideration,
2 // FULL_RESTRICTED
);
const basicOrderParameters = getBasicOrderParameters(
0, // EthForERC721
order
);
await withBalanceChecks([order], 0, undefined, async () => {
const tx = marketplaceContract
.connect(buyer)
.fulfillBasicOrder(basicOrderParameters, {
value,
});
const receipt = await (await tx).wait();
await checkExpectedEvents(tx, receipt, [
{
order,
orderHash,
fulfiller: buyer.address,
},
]);
return receipt;
});
});
it("ERC721 <=> ETH (basic with partial restricted order)", async () => {
// Seller mints nft
const nftId = randomBN();
await testERC721.mint(seller.address, nftId);
// Seller approves marketplace contract to transfer NFT
await expect(
testERC721
.connect(seller)
.setApprovalForAll(marketplaceContract.address, true)
)
.to.emit(testERC721, "ApprovalForAll")
.withArgs(seller.address, marketplaceContract.address, true);
const offer = [getTestItem721(nftId)];
const consideration = [
{
itemType: 0, // ETH
token: ethers.constants.AddressZero,
identifierOrCriteria: toBN(0), // ignored for ETH
startAmount: ethers.utils.parseEther("10"),
endAmount: ethers.utils.parseEther("10"),
recipient: seller.address,
},
{
itemType: 0, // ETH
token: ethers.constants.AddressZero,
identifierOrCriteria: toBN(0), // ignored for ETH
startAmount: ethers.utils.parseEther("1"),
endAmount: ethers.utils.parseEther("1"),
recipient: zone.address,
},
{
itemType: 0, // ETH
token: ethers.constants.AddressZero,
identifierOrCriteria: toBN(0), // ignored for ETH
startAmount: ethers.utils.parseEther("1"),
endAmount: ethers.utils.parseEther("1"),
recipient: owner.address,
},
];
const { order, orderHash, value } = await createOrder(
seller,
stubZone,
offer,
consideration,
3 // PARTIAL_RESTRICTED
);
const basicOrderParameters = getBasicOrderParameters(
0, // EthForERC721
order
);
await withBalanceChecks([order], 0, undefined, async () => {
const tx = marketplaceContract
.connect(buyer)
.fulfillBasicOrder(basicOrderParameters, { value });
const receipt = await (await tx).wait();
await checkExpectedEvents(tx, receipt, [
{ order, orderHash, fulfiller: buyer.address },
]);
return receipt;
});
});
it("ERC721 <=> ETH (basic, already validated)", async () => {
const nftId = await mintAndApprove721(
seller,
marketplaceContract.address
);
const offer = [getTestItem721(nftId)];
const consideration = [
getItemETH(parseEther("10"), parseEther("10"), seller.address),
getItemETH(parseEther("1"), parseEther("1"), zone.address),
getItemETH(parseEther("1"), parseEther("1"), owner.address),
];
const { order, orderHash, value } = await createOrder(
seller,
zone,
offer,
consideration,
0 // FULL_OPEN
);
// Validate the order from any account
await expect(marketplaceContract.connect(owner).validate([order]))
.to.emit(marketplaceContract, "OrderValidated")
.withArgs(orderHash, seller.address, zone.address);
const basicOrderParameters = getBasicOrderParameters(
0, // EthForERC721
order
);
await withBalanceChecks([order], 0, undefined, async () => {
const tx = marketplaceContract