add setMinter to ERC721RedemptionMintable, campaign methods to ERC749…

…8NFTRedeemables

src/redeemables/ERC721RedemptionMintable.sol

@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.19;
+
+import {ERC721} from "solady/tokens/ERC721.sol";
+import {IERC721RedemptionMintable} from "./interfaces/IERC721RedemptionMintable.sol";
+import {SpentItem} from "seaport-types/lib/ConsiderationStructs.sol";
+
+contract ERC721RedemptionMintable is ERC721, IERC721RedemptionMintable {
+    address internal _MINTER;
+
+    /// @dev Revert if the sender of mintRedemption is not the redeemable contract offerer.
+    error InvalidSender();
+
+    /// @dev Revert if the redemption spent is not the required token.
+    error InvalidRedemption();
+
+    constructor(address minter) {
+        _MINTER = minter;
+    }
+
+    function mintRedemption(address to, uint256 tokenId) external returns (uint256) {
+        if (msg.sender != _MINTER) revert InvalidSender();
+
+        // Mint the same token ID redeemed.
+        _mint(to, tokenId);
+
+        return tokenId;
+    }
+
+    function name() public pure override returns (string memory) {
+        return "ERC721RedemptionMintable";
+    }
+
+    function symbol() public pure override returns (string memory) {
+        return "721RM";
+    }
+
+    function tokenURI(uint256 tokenId) public pure override returns (string memory) {
+        return string(abi.encodePacked("https://example.com/", tokenId));
+    }
+
+    function setMinter(address newMinter) external {
+        if (msg.sender != _MINTER) revert InvalidSender();
+
+        _setMinter(newMinter);
+    }
+
+    function _setMinter(address newMinter) internal {
+        _MINTER = newMinter;
+    }
+}