File size: 2,506 Bytes
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pragma solidity ^0.8.20;
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {IERC1155} from "@openzeppelin/contracts/token/ERC1155/IERC1155.sol";
import {IERC2981} from "@openzeppelin/contracts/interfaces/IERC2981.sol";
contract BundleMarket14 {
IERC20 public immutable paymentToken;
IERC1155 public immutable collection;
uint256 public constant price = 100_000_000;
uint256 public constant fee = 2_000_000;
address public seller;
bool public includesB;
bool public active;
constructor(address paymentToken_, address collection_) {
paymentToken = IERC20(paymentToken_);
collection = IERC1155(collection_);
}
function list(bool includesB_) external {
require(seller == address(0), "listing exists");
require(collection.balanceOf(msg.sender, 1) >= 1, "item A required");
if (includesB_) require(collection.balanceOf(msg.sender, 2) >= 1, "item B required");
seller = msg.sender;
includesB = includesB_;
active = true;
}
function quote(uint256[] calldata allocations, bool payRoyalties) public view returns (uint256 total) {
require(allocations.length == (includesB ? 2 : 1), "allocation length");
uint256 consideration;
total = price + fee;
for (uint256 i; i < allocations.length; ++i) {
consideration += allocations[i];
if (payRoyalties) {
(, uint256 royalty) = IERC2981(address(collection)).royaltyInfo(i + 1, allocations[i]);
total += royalty;
}
}
require(consideration == price, "allocation total");
}
function buy(uint256[] calldata allocations, bool payRoyalties) external {
require(active, "listing inactive");
uint256 total = quote(allocations, payRoyalties);
active = false;
require(paymentToken.transferFrom(msg.sender, address(this), total), "payment failed");
require(paymentToken.transfer(seller, price), "seller payment failed");
for (uint256 i; i < allocations.length; ++i) {
if (payRoyalties) {
(address receiver, uint256 royalty) = IERC2981(address(collection)).royaltyInfo(i + 1, allocations[i]);
if (royalty > 0) require(paymentToken.transfer(receiver, royalty), "royalty payment failed");
}
collection.safeTransferFrom(seller, msg.sender, i + 1, 1, "");
}
}
}
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