文件 1 的 14:Address.sol
pragma solidity ^0.8.1;
library Address {
function isContract(address account) internal view returns (bool) {
return account.code.length > 0;
}
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResult(success, returndata, errorMessage);
}
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResult(success, returndata, errorMessage);
}
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResult(success, returndata, errorMessage);
}
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
文件 2 的 14:Context.sol
pragma solidity ^0.8.0;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
文件 3 的 14:ERC165.sol
pragma solidity ^0.8.0;
import "./IERC165.sol";
abstract contract ERC165 is IERC165 {
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IERC165).interfaceId;
}
}
文件 4 的 14:ERC721A.sol
pragma solidity ^0.8.4;
import '@openzeppelin/contracts/token/ERC721/IERC721.sol';
import '@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol';
import '@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol';
import '@openzeppelin/contracts/token/ERC721/extensions/IERC721Enumerable.sol';
import '@openzeppelin/contracts/utils/Address.sol';
import '@openzeppelin/contracts/utils/Context.sol';
import '@openzeppelin/contracts/utils/Strings.sol';
import '@openzeppelin/contracts/utils/introspection/ERC165.sol';
error ApprovalCallerNotOwnerNorApproved();
error ApprovalQueryForNonexistentToken();
error ApproveToCaller();
error ApprovalToCurrentOwner();
error BalanceQueryForZeroAddress();
error MintedQueryForZeroAddress();
error BurnedQueryForZeroAddress();
error MintToZeroAddress();
error MintZeroQuantity();
error OwnerIndexOutOfBounds();
error OwnerQueryForNonexistentToken();
error TokenIndexOutOfBounds();
error TransferCallerNotOwnerNorApproved();
error TransferFromIncorrectOwner();
error TransferToNonERC721ReceiverImplementer();
error TransferToZeroAddress();
error URIQueryForNonexistentToken();
contract ERC721A is Context, ERC165, IERC721, IERC721Metadata, IERC721Enumerable {
using Address for address;
using Strings for uint256;
struct TokenOwnership {
address addr;
uint64 startTimestamp;
bool burned;
}
struct AddressData {
uint64 balance;
uint64 numberMinted;
uint64 numberBurned;
}
uint128 internal _currentIndex;
uint128 internal _burnCounter;
string private _name;
string private _symbol;
mapping(uint256 => TokenOwnership) internal _ownerships;
mapping(address => AddressData) private _addressData;
mapping(uint256 => address) private _tokenApprovals;
mapping(address => mapping(address => bool)) private _operatorApprovals;
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
function totalSupply() public view override returns (uint256) {
unchecked {
return _currentIndex - _burnCounter;
}
}
function tokenByIndex(uint256 index) public view override returns (uint256) {
uint256 numMintedSoFar = _currentIndex;
uint256 tokenIdsIdx;
unchecked {
for (uint256 i; i < numMintedSoFar; i++) {
TokenOwnership memory ownership = _ownerships[i];
if (!ownership.burned) {
if (tokenIdsIdx == index) {
return i;
}
tokenIdsIdx++;
}
}
}
revert TokenIndexOutOfBounds();
}
function tokenOfOwnerByIndex(address owner, uint256 index) public view override returns (uint256) {
if (index >= balanceOf(owner)) revert OwnerIndexOutOfBounds();
uint256 numMintedSoFar = _currentIndex;
uint256 tokenIdsIdx;
address currOwnershipAddr;
unchecked {
for (uint256 i; i < numMintedSoFar; i++) {
TokenOwnership memory ownership = _ownerships[i];
if (ownership.burned) {
continue;
}
if (ownership.addr != address(0)) {
currOwnershipAddr = ownership.addr;
}
if (currOwnershipAddr == owner) {
if (tokenIdsIdx == index) {
return i;
}
tokenIdsIdx++;
}
}
}
revert();
}
function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
return
interfaceId == type(IERC721).interfaceId ||
interfaceId == type(IERC721Metadata).interfaceId ||
interfaceId == type(IERC721Enumerable).interfaceId ||
super.supportsInterface(interfaceId);
}
function balanceOf(address owner) public view override returns (uint256) {
if (owner == address(0)) revert BalanceQueryForZeroAddress();
return uint256(_addressData[owner].balance);
}
function _numberMinted(address owner) internal view returns (uint256) {
if (owner == address(0)) revert MintedQueryForZeroAddress();
return uint256(_addressData[owner].numberMinted);
}
function _numberBurned(address owner) internal view returns (uint256) {
if (owner == address(0)) revert BurnedQueryForZeroAddress();
return uint256(_addressData[owner].numberBurned);
}
function ownershipOf(uint256 tokenId) internal view returns (TokenOwnership memory) {
uint256 curr = tokenId;
unchecked {
if (curr < _currentIndex) {
TokenOwnership memory ownership = _ownerships[curr];
if (!ownership.burned) {
if (ownership.addr != address(0)) {
return ownership;
}
while (true) {
curr--;
ownership = _ownerships[curr];
if (ownership.addr != address(0)) {
return ownership;
}
}
}
}
}
revert OwnerQueryForNonexistentToken();
}
function ownerOf(uint256 tokenId) public view override returns (address) {
return ownershipOf(tokenId).addr;
}
function name() public view virtual override returns (string memory) {
return _name;
}
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
if (!_exists(tokenId)) revert URIQueryForNonexistentToken();
string memory baseURI = _baseURI();
return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : '';
}
function _baseURI() internal view virtual returns (string memory) {
return '';
}
function approve(address to, uint256 tokenId) public override {
address owner = ERC721A.ownerOf(tokenId);
if (to == owner) revert ApprovalToCurrentOwner();
if (_msgSender() != owner && !isApprovedForAll(owner, _msgSender())) {
revert ApprovalCallerNotOwnerNorApproved();
}
_approve(to, tokenId, owner);
}
function getApproved(uint256 tokenId) public view override returns (address) {
if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken();
return _tokenApprovals[tokenId];
}
function setApprovalForAll(address operator, bool approved) public override {
if (operator == _msgSender()) revert ApproveToCaller();
_operatorApprovals[_msgSender()][operator] = approved;
emit ApprovalForAll(_msgSender(), operator, approved);
}
function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
return _operatorApprovals[owner][operator];
}
function transferFrom(
address from,
address to,
uint256 tokenId
) public virtual override {
_transfer(from, to, tokenId);
}
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) public virtual override {
safeTransferFrom(from, to, tokenId, '');
}
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
bytes memory _data
) public virtual override {
_transfer(from, to, tokenId);
if (!_checkOnERC721Received(from, to, tokenId, _data)) {
revert TransferToNonERC721ReceiverImplementer();
}
}
function _exists(uint256 tokenId) internal view returns (bool) {
return tokenId < _currentIndex && !_ownerships[tokenId].burned;
}
function _safeMint(address to, uint256 quantity) internal {
_safeMint(to, quantity, '');
}
function _safeMint(
address to,
uint256 quantity,
bytes memory _data
) internal {
_mint(to, quantity, _data, true);
}
function _mint(
address to,
uint256 quantity,
bytes memory _data,
bool safe
) internal {
uint256 startTokenId = _currentIndex;
if (to == address(0)) revert MintToZeroAddress();
if (quantity == 0) revert MintZeroQuantity();
_beforeTokenTransfers(address(0), to, startTokenId, quantity);
unchecked {
_addressData[to].balance += uint64(quantity);
_addressData[to].numberMinted += uint64(quantity);
_ownerships[startTokenId].addr = to;
_ownerships[startTokenId].startTimestamp = uint64(block.timestamp);
uint256 updatedIndex = startTokenId;
for (uint256 i; i < quantity; i++) {
emit Transfer(address(0), to, updatedIndex);
if (safe && !_checkOnERC721Received(address(0), to, updatedIndex, _data)) {
revert TransferToNonERC721ReceiverImplementer();
}
updatedIndex++;
}
_currentIndex = uint128(updatedIndex);
}
_afterTokenTransfers(address(0), to, startTokenId, quantity);
}
function _transfer(
address from,
address to,
uint256 tokenId
) private {
TokenOwnership memory prevOwnership = ownershipOf(tokenId);
bool isApprovedOrOwner = (_msgSender() == prevOwnership.addr ||
isApprovedForAll(prevOwnership.addr, _msgSender()) ||
getApproved(tokenId) == _msgSender());
if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved();
if (prevOwnership.addr != from) revert TransferFromIncorrectOwner();
if (to == address(0)) revert TransferToZeroAddress();
_beforeTokenTransfers(from, to, tokenId, 1);
_approve(address(0), tokenId, prevOwnership.addr);
unchecked {
_addressData[from].balance -= 1;
_addressData[to].balance += 1;
_ownerships[tokenId].addr = to;
_ownerships[tokenId].startTimestamp = uint64(block.timestamp);
uint256 nextTokenId = tokenId + 1;
if (_ownerships[nextTokenId].addr == address(0)) {
if (nextTokenId < _currentIndex) {
_ownerships[nextTokenId].addr = prevOwnership.addr;
_ownerships[nextTokenId].startTimestamp = prevOwnership.startTimestamp;
}
}
}
emit Transfer(from, to, tokenId);
_afterTokenTransfers(from, to, tokenId, 1);
}
function _burn(uint256 tokenId) internal virtual {
TokenOwnership memory prevOwnership = ownershipOf(tokenId);
_beforeTokenTransfers(prevOwnership.addr, address(0), tokenId, 1);
_approve(address(0), tokenId, prevOwnership.addr);
unchecked {
_addressData[prevOwnership.addr].balance -= 1;
_addressData[prevOwnership.addr].numberBurned += 1;
_ownerships[tokenId].addr = prevOwnership.addr;
_ownerships[tokenId].startTimestamp = uint64(block.timestamp);
_ownerships[tokenId].burned = true;
uint256 nextTokenId = tokenId + 1;
if (_ownerships[nextTokenId].addr == address(0)) {
if (nextTokenId < _currentIndex) {
_ownerships[nextTokenId].addr = prevOwnership.addr;
_ownerships[nextTokenId].startTimestamp = prevOwnership.startTimestamp;
}
}
}
emit Transfer(prevOwnership.addr, address(0), tokenId);
_afterTokenTransfers(prevOwnership.addr, address(0), tokenId, 1);
unchecked {
_burnCounter++;
}
}
function _approve(
address to,
uint256 tokenId,
address owner
) private {
_tokenApprovals[tokenId] = to;
emit Approval(owner, to, tokenId);
}
function _checkOnERC721Received(
address from,
address to,
uint256 tokenId,
bytes memory _data
) private returns (bool) {
if (to.isContract()) {
try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
return retval == IERC721Receiver(to).onERC721Received.selector;
} catch (bytes memory reason) {
if (reason.length == 0) {
revert TransferToNonERC721ReceiverImplementer();
} else {
assembly {
revert(add(32, reason), mload(reason))
}
}
}
} else {
return true;
}
}
function _beforeTokenTransfers(
address from,
address to,
uint256 startTokenId,
uint256 quantity
) internal virtual {}
function _afterTokenTransfers(
address from,
address to,
uint256 startTokenId,
uint256 quantity
) internal virtual {}
}
文件 5 的 14:IERC165.sol
pragma solidity ^0.8.0;
interface IERC165 {
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
文件 6 的 14:IERC721.sol
pragma solidity ^0.8.0;
import "../../utils/introspection/IERC165.sol";
interface IERC721 is IERC165 {
event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);
event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);
event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
function balanceOf(address owner) external view returns (uint256 balance);
function ownerOf(uint256 tokenId) external view returns (address owner);
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) external;
function transferFrom(
address from,
address to,
uint256 tokenId
) external;
function approve(address to, uint256 tokenId) external;
function getApproved(uint256 tokenId) external view returns (address operator);
function setApprovalForAll(address operator, bool _approved) external;
function isApprovedForAll(address owner, address operator) external view returns (bool);
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
bytes calldata data
) external;
}
文件 7 的 14:IERC721Enumerable.sol
pragma solidity ^0.8.0;
import "../IERC721.sol";
interface IERC721Enumerable is IERC721 {
function totalSupply() external view returns (uint256);
function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256);
function tokenByIndex(uint256 index) external view returns (uint256);
}
文件 8 的 14:IERC721Metadata.sol
pragma solidity ^0.8.0;
import "../IERC721.sol";
interface IERC721Metadata is IERC721 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function tokenURI(uint256 tokenId) external view returns (string memory);
}
文件 9 的 14:IERC721Receiver.sol
pragma solidity ^0.8.0;
interface IERC721Receiver {
function onERC721Received(
address operator,
address from,
uint256 tokenId,
bytes calldata data
) external returns (bytes4);
}
文件 10 的 14:Kiwami.sol
pragma solidity ^0.8.4;
import "@openzeppelin/contracts/access/Ownable.sol";
import "erc721a/contracts/ERC721A.sol";
import "./MerkleWhitelist.sol";
import "@openzeppelin/contracts/utils/Strings.sol";
contract Kiwami is Ownable, ERC721A, MerkleWhitelist {
uint256 public DA_STARTING_PRICE = 0.5 ether;
uint256 public DA_ENDING_PRICE = 0.1 ether;
uint256 public DA_DECREMENT = 0.05 ether;
uint256 public DA_DECREMENT_FREQUENCY = 180;
uint256 public DA_STARTING_TIMESTAMP = 1648080000;
uint256 public DA_FINAL_PRICE;
uint256 public DA_QUANTITY = 7000;
uint16 public PUBLIC_WL_MINTED;
bool public INITIAL_FUNDS_WITHDRAWN;
bool public REMAINING_FUNDS_WITHDRAWN;
address public TEAM_USA_ADDRESS =
0x0E861ddDA17f7C20996dC0868cAcc200bc1985c0;
address public TEAM_JAPAN_ADDRESS =
0xBC77EDd603bEf4004c47A831fDDa437cD906442E;
address public MULTISIG_ADDRESS =
0xBcAf5e757Ca1ef5F35fC2daBaDcb71dC7418A40D;
string public CONTRACT_URI =
"ipfs://QmNx5M7Dvgvg6ZNmUX6pdfD4NWZ7oh6RiP2F5b33TrPxCJ";
struct TokenBatchPriceData {
uint128 pricePaid;
uint8 quantityMinted;
}
mapping(address => TokenBatchPriceData[]) public userToTokenBatchPriceData;
mapping(address => bool) public userToHasMintedPublicWL;
mapping(address => bool) public userToHasMintedMiceWL;
bool public REVEALED;
string public UNREVEALED_URI =
"ipfs://QmWQMuChCoTc2jKoDqCVHBxYe6pp1E2KMyW4HG8U7AA6wF";
string public BASE_URI;
uint256 public publicWLStartTime = 1648166400;
uint256 public miceWLStartTime = 1648598400;
constructor() ERC721A("Kiwami", "KIWAMI") {}
function currentPrice() public view returns (uint256) {
require(
block.timestamp >= DA_STARTING_TIMESTAMP,
"DA has not started!"
);
if (DA_FINAL_PRICE > 0) return DA_FINAL_PRICE;
uint256 timeSinceStart = block.timestamp - DA_STARTING_TIMESTAMP;
uint256 decrementsSinceStart = timeSinceStart / DA_DECREMENT_FREQUENCY;
uint256 totalDecrement = decrementsSinceStart * DA_DECREMENT;
if (totalDecrement >= DA_STARTING_PRICE - DA_ENDING_PRICE) {
return DA_ENDING_PRICE;
}
return DA_STARTING_PRICE - totalDecrement;
}
function mintDutchAuction(uint8 quantity) public payable {
require(
block.timestamp >= DA_STARTING_TIMESTAMP,
"DA has not started!"
);
require(quantity > 0 && quantity < 6, "Can only mint max 5 NFTs!");
uint256 _currentPrice = currentPrice();
require(
msg.value >= quantity * _currentPrice,
"Did not send enough eth."
);
require(
totalSupply() + quantity <= DA_QUANTITY,
"Max supply for DA reached!"
);
if (totalSupply() + quantity == DA_QUANTITY)
DA_FINAL_PRICE = _currentPrice;
userToTokenBatchPriceData[msg.sender].push(
TokenBatchPriceData(uint128(msg.value), quantity)
);
_safeMint(msg.sender, quantity);
}
function mintPublicWL(bytes32[] memory proof)
public
payable
onlyPublicWhitelist(proof)
{
require(DA_FINAL_PRICE > 0, "Dutch action must be over!");
require(
!userToHasMintedPublicWL[msg.sender],
"Can only mint once during public WL!"
);
require(
block.timestamp >= publicWLStartTime,
"Public WL has not started yet!"
);
require(
msg.value >= ((DA_FINAL_PRICE / 100) * 80),
"Must send enough eth for WL Mint"
);
require(totalSupply() + 1 <= 8500, "Max supply of 8,500!");
userToHasMintedPublicWL[msg.sender] = true;
PUBLIC_WL_MINTED++;
_safeMint(msg.sender, 1);
}
function mintMouseWL(bytes32[] memory proof)
public
onlyMouseWhitelist(proof)
{
require(DA_FINAL_PRICE > 0, "Dutch action must be over!");
require(
!userToHasMintedMiceWL[msg.sender],
"Can only mint once during mouse WL!"
);
require(
block.timestamp >= miceWLStartTime,
"Mice WL has not started yet!"
);
require(totalSupply() + 1 <= 10000, "Max supply of 10,000!");
userToHasMintedMiceWL[msg.sender] = true;
_safeMint(msg.sender, 1);
}
function teamMint(uint256 quantity, address receiver) public onlyOwner {
require(
totalSupply() + quantity <= 10000,
"Max supply of 10,000 total!"
);
require(DA_FINAL_PRICE > 0, "Dutch action must be over!");
_safeMint(receiver, quantity);
}
function userToTokenBatchLength(address user)
public
view
returns (uint256)
{
return userToTokenBatchPriceData[user].length;
}
function refundExtraETH() public {
require(DA_FINAL_PRICE > 0, "Dutch action must be over!");
uint256 totalRefund;
for (
uint256 i = userToTokenBatchPriceData[msg.sender].length;
i > 0;
i--
) {
uint256 expectedPrice = userToTokenBatchPriceData[msg.sender][i - 1]
.quantityMinted * DA_FINAL_PRICE;
uint256 refund = userToTokenBatchPriceData[msg.sender][i - 1]
.pricePaid - expectedPrice;
userToTokenBatchPriceData[msg.sender].pop();
totalRefund += refund;
}
payable(msg.sender).transfer(totalRefund);
}
function withdrawInitialFunds() public onlyOwner {
require(
!INITIAL_FUNDS_WITHDRAWN,
"Initial funds have already been withdrawn."
);
require(DA_FINAL_PRICE > 0, "DA has not finished!");
uint256 DAFunds = DA_QUANTITY * DA_FINAL_PRICE;
uint256 publicWLFunds = PUBLIC_WL_MINTED *
((DA_FINAL_PRICE / 100) * 80);
uint256 initialFunds = DAFunds + publicWLFunds;
INITIAL_FUNDS_WITHDRAWN = true;
(bool succ, ) = payable(TEAM_USA_ADDRESS).call{
value: (initialFunds * 15) / 100
}("");
require(succ, "transfer failed");
(succ, ) = payable(TEAM_JAPAN_ADDRESS).call{
value: (initialFunds * 35) / 100
}("");
require(succ, "transfer failed");
(succ, ) = payable(MULTISIG_ADDRESS).call{
value: (initialFunds * 50) / 100
}("");
require(succ, "transfer failed");
}
function withdrawFinalFunds() public onlyOwner {
require(block.timestamp >= DA_STARTING_TIMESTAMP + 604800);
uint256 finalFunds = address(this).balance;
(bool succ, ) = payable(TEAM_USA_ADDRESS).call{
value: (finalFunds * 15) / 100
}("");
require(succ, "transfer failed");
(succ, ) = payable(TEAM_JAPAN_ADDRESS).call{
value: (finalFunds * 35) / 100
}("");
require(succ, "transfer failed");
(succ, ) = payable(MULTISIG_ADDRESS).call{
value: (finalFunds * 50) / 100
}("");
require(succ, "transfer failed");
}
function setRevealData(bool _revealed, string memory _unrevealedURI)
public
onlyOwner
{
REVEALED = _revealed;
UNREVEALED_URI = _unrevealedURI;
}
function setBaseURI(string memory _baseURI) public onlyOwner {
BASE_URI = _baseURI;
}
function contractURI() public view returns (string memory) {
return CONTRACT_URI;
}
function setContractURI(string memory _contractURI) public onlyOwner {
CONTRACT_URI = _contractURI;
}
function tokenURI(uint256 _tokenId)
public
view
override
returns (string memory)
{
if (REVEALED) {
return
string(abi.encodePacked(BASE_URI, Strings.toString(_tokenId)));
} else {
return UNREVEALED_URI;
}
}
}
文件 11 的 14:MerkleProof.sol
pragma solidity ^0.8.0;
library MerkleProof {
function verify(
bytes32[] memory proof,
bytes32 root,
bytes32 leaf
) internal pure returns (bool) {
return processProof(proof, leaf) == root;
}
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) {
computedHash = _efficientHash(computedHash, proofElement);
} else {
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)
}
}
}
文件 12 的 14:MerkleWhitelist.sol
pragma solidity ^0.8.0;
import "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
contract MerkleWhitelist is Ownable {
bytes32 public publicWhitelistMerkleRoot;
bytes32 public mouseWhitelistMerkleRoot;
string public whitelistURI;
function verifyPublicSender(address userAddress, bytes32[] memory proof) public view returns (bool) {
return _verify(proof, _hash(userAddress), publicWhitelistMerkleRoot);
}
function verifyMouseSender(address userAddress, bytes32[] memory proof) public view returns (bool) {
return _verify(proof, _hash(userAddress), mouseWhitelistMerkleRoot);
}
function _verifyPublicSender(bytes32[] memory proof) internal view returns (bool) {
return _verify(proof, _hash(msg.sender), publicWhitelistMerkleRoot);
}
function _verifyMouseSender(bytes32[] memory proof) internal view returns (bool) {
return _verify(proof, _hash(msg.sender), mouseWhitelistMerkleRoot);
}
function _verify(bytes32[] memory proof, bytes32 addressHash, bytes32 whitelistMerkleRoot)
internal
pure
returns (bool)
{
return MerkleProof.verify(proof, whitelistMerkleRoot, addressHash);
}
function _hash(address _address) internal pure returns (bytes32) {
return keccak256(abi.encodePacked(_address));
}
function setPublicWhitelistMerkleRoot(bytes32 merkleRoot) external onlyOwner {
publicWhitelistMerkleRoot = merkleRoot;
}
function setMouseWhitelistMerkleRoot(bytes32 merkleRoot) external onlyOwner {
mouseWhitelistMerkleRoot = merkleRoot;
}
modifier onlyMouseWhitelist(bytes32[] memory proof) {
require(_verifyMouseSender(proof), "MerkleWhitelist: Caller is not whitelisted");
_;
}
modifier onlyPublicWhitelist(bytes32[] memory proof) {
require(_verifyPublicSender(proof), "MerkleWhitelist: Caller is not whitelisted");
_;
}
}
文件 13 的 14:Ownable.sol
pragma solidity ^0.8.0;
import "../utils/Context.sol";
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_transferOwnership(_msgSender());
}
function owner() public view virtual returns (address) {
return _owner;
}
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
文件 14 的 14:Strings.sol
pragma solidity ^0.8.0;
library Strings {
bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
function toString(uint256 value) internal pure returns (string memory) {
if (value == 0) {
return "0";
}
uint256 temp = value;
uint256 digits;
while (temp != 0) {
digits++;
temp /= 10;
}
bytes memory buffer = new bytes(digits);
while (value != 0) {
digits -= 1;
buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
value /= 10;
}
return string(buffer);
}
function toHexString(uint256 value) internal pure returns (string memory) {
if (value == 0) {
return "0x00";
}
uint256 temp = value;
uint256 length = 0;
while (temp != 0) {
length++;
temp >>= 8;
}
return toHexString(value, length);
}
function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
bytes memory buffer = new bytes(2 * length + 2);
buffer[0] = "0";
buffer[1] = "x";
for (uint256 i = 2 * length + 1; i > 1; --i) {
buffer[i] = _HEX_SYMBOLS[value & 0xf];
value >>= 4;
}
require(value == 0, "Strings: hex length insufficient");
return string(buffer);
}
}
{
"compilationTarget": {
"contracts/Kiwami.sol": "Kiwami"
},
"evmVersion": "istanbul",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}
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ontractURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"currentPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"miceWLStartTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint8","name":"quantity","type":"uint8"}],"name":"mintDutchAuction","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"bytes32[]","name":"proof","type":"bytes32[]"}],"name":"mintMouseWL","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32[]","name":"proof","type":"bytes32[]"}],"name":"mintPublicWL","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"mouseWhitelistMerkleRoot","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"publicWLStartTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"publicWhitelistMerkleRoot","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"refundExtraETH","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_baseURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_contractURI","type":"string"}],"name":"setContractURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"merkleRoot","type":"bytes32"}],"name":"setMouseWhitelistMerkleRoot","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"merkleRoot","type":"bytes32"}],"name":"setPublicWhitelistMerkleRoot","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_revealed","type":"bool"},{"internalType":"string","name":"_unrevealedURI","type":"string"}],"name":"setRevealData","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"quantity","type":"uint256"},{"internalType":"address","name":"receiver","type":"address"}],"name":"teamMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType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