| // SPDX-License-Identifier: MIT |
| 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, ""); |
| } |
| } |
| } |
|
|
