Contract Name:
PoisonedBananasClaim
Contract Source Code:
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.11;
import "@openzeppelin/contracts/token/ERC721/IERC721.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import { MerkleProof } from "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol";
contract IPoisonedBananas {
function mintSingle(uint256 bananaType, address to) external {}
function mintMultiple(uint256[] memory bananaTypes, uint256[] memory amounts, address to) external {}
}
contract IPoisonedBananaClaimRNG {
function getRandomNumber(address _addr, uint256 apeId) external view returns (uint256) {}
}
contract PoisonedBananasClaim is Ownable {
/**
* @dev EXTERNAL ADDRESSES
*/
IERC721 public primeApeNFT;
IPoisonedBananas public bananas;
IPoisonedBananaClaimRNG private claimRng;
/**
* @dev GENERAL DATA
*/
uint256 public maxSupply = 7979;
uint256 public lvl1Supply = 5000;
uint256 public lvl2Supply = 2965;
uint256 public lvl3Supply = 14;
uint256 public lvl2Odds = 3;
uint256 public lvl3Odds = 569;
/**
* @dev CLAIM DATA
*/
mapping(uint256 => bool) public apeToClaimed;
mapping(uint256 => uint256) public levelToClaimed;
/**
* @dev MINT DATA
*/
uint256 public holderPrice = 0.07979 ether;
uint256 public price = 0.15 ether;
uint256 public minted;
uint256 public mintMaxAmount = 1;
bool public isHolderSale;
bool public isSale;
mapping(address => uint256) public addressToHolderMint;
mapping(address => uint256) public addressToMints;
/**
* @dev Setter events.
*/
event setPriceEvent(uint256 indexed price);
event setMaxSupplyEvent(uint256 indexed maxSupply);
/**
* @dev Sale events.
*/
event Purchase(address indexed buyer, uint256 indexed amount);
event ReceivedEther(address indexed sender, uint256 indexed amount);
event WithdrawAllEvent(address indexed to, uint256 amount);
constructor(
address _ape,
address _banana,
address _rng
) Ownable() {
require(lvl1Supply + lvl2Supply + lvl3Supply == maxSupply, "Supply not correct");
primeApeNFT = IERC721(_ape);
bananas = IPoisonedBananas(_banana);
claimRng = IPoisonedBananaClaimRNG(_rng);
}
/**
* @dev HELPERS
*/
/**
* @dev returns the bananas supply that is left.
*/
function supplyLeft() public view returns (uint256) {
return maxSupply - minted;
}
/**
* @dev given an array of apeIds see which ones can still
* claim their banana.
*
* @param apeIds. The ape ids.
*/
function getNotClaimedApes(uint256[] calldata apeIds) external view returns(uint256[] memory) {
require(apeIds.length > 0, "No IDS supplied");
uint256 length = apeIds.length;
uint256[] memory notClaimedApes = new uint256[](length);
uint256 counter;
/// @dev Check if sender is owner of all apes and that they haven't claimed yet
/// @dev Update claim status of each ape
for (uint256 i = 0; i < apeIds.length; i++) {
uint256 apeId = apeIds[i];
if (!apeToClaimed[apeId]) {
notClaimedApes[counter] = apeId;
counter++;
}
}
return notClaimedApes;
}
function getBananaLevelForClaim(address claimer, uint256 claimingApeId) internal view returns (uint256) {
uint256 rng = claimRng.getRandomNumber(claimer, claimingApeId);
bool isLvl3 = rng % lvl3Odds == 0;
bool isLvl2 = rng % lvl2Odds == 0;
bool isLvl1 = !isLvl3 && !isLvl2;
bool isLvl3Full = levelToClaimed[2] >= lvl3Supply;
bool isLvl2Full = levelToClaimed[1] >= lvl2Supply;
bool isLvl1Full = levelToClaimed[0] >= lvl1Supply;
if (isLvl3) {
if (!isLvl3Full)
return 2;
else if (!isLvl2Full)
return 1;
else if (!isLvl1Full)
return 0;
}
if (isLvl2) {
if (!isLvl2Full)
return 1;
else if (!isLvl1Full)
return 0;
else if (!isLvl2Full)
return 2;
}
if (isLvl1) {
if (!isLvl1Full)
return 0;
else if (!isLvl2Full)
return 1;
else if (!isLvl3Full)
return 2;
}
//should not get to this
revert("Logic error");
}
/**
* @dev CLAIMING
*/
/**
* @dev Claims bananas to sender for each valid ape Id.
*
* @param apeIds. The ape Ids.
*/
function claimBananas(uint256[] calldata apeIds) external {
require(address(bananas) != address(0), "Banana contract not set");
require(address(primeApeNFT) != address(0), "Ape contract not set");
require(apeIds.length > 0, "No Ids supplied");
require(!isSale && !isHolderSale, "Claiming stopped");
uint256[] memory bananaTypes = new uint256[](apeIds.length);
uint256[] memory amounts = new uint256[](apeIds.length);
/// @dev Check if sender is owner of all apes and that they haven't claimed yet
/// @dev Update claim status of each ape
for (uint256 i = 0; i < apeIds.length; i++) {
uint256 apeId = apeIds[i];
require(primeApeNFT.ownerOf(apeId) == msg.sender, "Sender does not own ape");
require(!apeToClaimed[apeId], "Ape already claimed banana");
apeToClaimed[apeId] = true;
uint256 bananaType = getBananaLevelForClaim(msg.sender, apeId);
levelToClaimed[bananaType]++;
bananaTypes[i] = bananaType;
amounts[i] = 1;
}
minted += apeIds.length;
bananas.mintMultiple(bananaTypes, amounts, msg.sender);
}
/**
* @dev Claims banana to sender for ape Id.
*
* @param apeId. The ape Id.
*/
function claimBanana(uint256 apeId) external {
require(address(bananas) != address(0), "Banana contract not set");
require(address(primeApeNFT) != address(0), "Ape contract not set");
require(!isSale && !isHolderSale, "Claiming stopped");
require(primeApeNFT.ownerOf(apeId) == msg.sender, "Sender does not own ape");
require(!apeToClaimed[apeId], "Ape already claimed banana");
apeToClaimed[apeId] = true;
uint256 bananaType = getBananaLevelForClaim(msg.sender, apeId);
levelToClaimed[bananaType]++;
minted++;
bananas.mintSingle(bananaType, msg.sender);
}
/**
* @dev SALE
*/
/**
* @dev Allows unclaimed bananas to be sold to holders
*/
function buyBananasHolders()
external
payable {
uint256 amount = 1;
require(primeApeNFT.balanceOf(msg.sender) > 0, "Have to be a prime ape holder");
require(addressToHolderMint[msg.sender] == 0, "Can only buy one additional banana");
require(minted + amount <= maxSupply, "Mint amount goes over max supply");
require(msg.value >= holderPrice, "Ether sent not correct");
require(isHolderSale, "Sale not started");
addressToHolderMint[msg.sender] = 1;
uint256 bananaType = getBananaLevelForClaim(msg.sender, minted);
levelToClaimed[bananaType]++;
minted++;
bananas.mintSingle(bananaType, msg.sender);
emit Purchase(msg.sender, amount);
}
/**
* @dev Allows unclaimed bananas to be sold to the public
*
* @param amount. The amount of bananas to be sold
*/
function buyBananas(uint256 amount)
external
payable {
require(amount > 0, "Have to buy more than 0");
require(addressToMints[msg.sender] + amount <= mintMaxAmount, "Mint amount exceeds max for user");
require(minted + amount <= maxSupply, "Mint amount goes over max supply");
require(msg.value >= price * amount, "Ether sent not correct");
require(isSale, "Sale not started");
/// @dev Updates contract variables and mints `amount` NFTs to users wallet
addressToMints[msg.sender] += amount;
uint256[] memory bananaTypes = new uint256[](amount);
uint256[] memory amounts = new uint256[](amount);
for (uint256 i = 0; i < amount; i++) {
uint256 bananaType = getBananaLevelForClaim(msg.sender, minted + i);
levelToClaimed[bananaType]++;
bananaTypes[i] = bananaType;
amounts[i] = 1;
}
minted += amount;
bananas.mintMultiple(bananaTypes, amounts, msg.sender);
emit Purchase(msg.sender, amount);
}
/**
* @dev OWNER ONLY
*/
function setIsSale(bool _isSale) external onlyOwner {
isSale = _isSale;
}
function setIsHolderSale(bool _isSale) external onlyOwner {
isHolderSale = _isSale;
}
function setPrice(uint256 newPrice) external onlyOwner {
price = newPrice;
emit setPriceEvent(newPrice);
}
function setHolderPrice(uint256 newPrice) external onlyOwner {
holderPrice = newPrice;
}
function setMaxSupply(uint256 newMaxSupply) external onlyOwner {
maxSupply = newMaxSupply;
emit setMaxSupplyEvent(newMaxSupply);
}
function setMaxMintAmount(uint256 newMaxMintAmount) external onlyOwner {
mintMaxAmount = newMaxMintAmount;
}
function setLvl1Supply(uint256 newSupply) external onlyOwner {
lvl1Supply = newSupply;
}
function setLvl2Supply(uint256 newSupply) external onlyOwner {
lvl2Supply = newSupply;
}
function setLvl3Supply(uint256 newSupply) external onlyOwner {
lvl3Supply = newSupply;
}
function setLvl2Odds(uint256 newOdds) external onlyOwner {
lvl2Odds = newOdds;
}
function setLvl3Odds(uint256 newOdds) external onlyOwner {
lvl3Odds = newOdds;
}
/**
* @dev FINANCE
*/
function withdrawAll(address _to) external onlyOwner {
require(_to != address(0), "CANNOT WITHDRAW TO ZERO ADDRESS");
uint256 contractBalance = address(this).balance;
require(contractBalance > 0, "NO ETHER TO WITHDRAW");
payable(_to).transfer(contractBalance);
emit WithdrawAllEvent(_to, contractBalance);
}
/**
* @dev Fallback function for receiving Ether
*/
receive() external payable {
emit ReceivedEther(msg.sender, msg.value);
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)
pragma solidity ^0.8.0;
import "../../utils/introspection/IERC165.sol";
/**
* @dev Required interface of an ERC721 compliant contract.
*/
interface IERC721 is IERC165 {
/**
* @dev Emitted when `tokenId` token is transferred from `from` to `to`.
*/
event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
*/
event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
*/
event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
/**
* @dev Returns the number of tokens in ``owner``'s account.
*/
function balanceOf(address owner) external view returns (uint256 balance);
/**
* @dev Returns the owner of the `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function ownerOf(uint256 tokenId) external view returns (address owner);
/**
* @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
* are aware of the ERC721 protocol to prevent tokens from being forever locked.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) external;
/**
* @dev Transfers `tokenId` token from `from` to `to`.
*
* WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
*
* Emits a {Transfer} event.
*/
function transferFrom(
address from,
address to,
uint256 tokenId
) external;
/**
* @dev Gives permission to `to` to transfer `tokenId` token to another account.
* The approval is cleared when the token is transferred.
*
* Only a single account can be approved at a time, so approving the zero address clears previous approvals.
*
* Requirements:
*
* - The caller must own the token or be an approved operator.
* - `tokenId` must exist.
*
* Emits an {Approval} event.
*/
function approve(address to, uint256 tokenId) external;
/**
* @dev Returns the account approved for `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function getApproved(uint256 tokenId) external view returns (address operator);
/**
* @dev Approve or remove `operator` as an operator for the caller.
* Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
*
* Requirements:
*
* - The `operator` cannot be the caller.
*
* Emits an {ApprovalForAll} event.
*/
function setApprovalForAll(address operator, bool _approved) external;
/**
* @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
*
* See {setApprovalForAll}
*/
function isApprovedForAll(address owner, address operator) external view returns (bool);
/**
* @dev Safely transfers `tokenId` token from `from` to `to`.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
bytes calldata data
) external;
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)
pragma solidity ^0.8.0;
import "../utils/Context.sol";
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
_transferOwnership(_msgSender());
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/cryptography/MerkleProof.sol)
pragma solidity ^0.8.0;
/**
* @dev These functions deal with verification of Merkle Trees proofs.
*
* The proofs can be generated using the JavaScript library
* https://github.com/miguelmota/merkletreejs[merkletreejs].
* Note: the hashing algorithm should be keccak256 and pair sorting should be enabled.
*
* See `test/utils/cryptography/MerkleProof.test.js` for some examples.
*/
library MerkleProof {
/**
* @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
* defined by `root`. For this, a `proof` must be provided, containing
* sibling hashes on the branch from the leaf to the root of the tree. Each
* pair of leaves and each pair of pre-images are assumed to be sorted.
*/
function verify(
bytes32[] memory proof,
bytes32 root,
bytes32 leaf
) internal pure returns (bool) {
return processProof(proof, leaf) == root;
}
/**
* @dev Returns the rebuilt hash obtained by traversing a Merklee tree up
* from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
* hash matches the root of the tree. When processing the proof, the pairs
* of leafs & pre-images are assumed to be sorted.
*
* _Available since v4.4._
*/
function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) {
bytes32 computedHash = leaf;
for (uint256 i = 0; i < proof.length; i++) {
bytes32 proofElement = proof[i];
if (computedHash <= proofElement) {
// Hash(current computed hash + current element of the proof)
computedHash = _efficientHash(computedHash, proofElement);
} else {
// Hash(current element of the proof + current computed hash)
computedHash = _efficientHash(proofElement, computedHash);
}
}
return computedHash;
}
function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) {
assembly {
mstore(0x00, a)
mstore(0x20, b)
value := keccak256(0x00, 0x40)
}
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[EIP].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165 {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
pragma solidity ^0.8.0;
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}