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NFTCollection.sol
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NFTCollection.sol
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// SPDX-License-Identifier: MIT
pragma solidity >=0.7.0 <0.9.0;
import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/utils/Counters.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
contract NFTCollection is ERC721, Ownable {
using Strings for uint256;
using Counters for Counters.Counter;
Counters.Counter private supply;
string public uriPrefix = "";
string public uriSuffix = ".json";
string public hiddenMetadataUri;
bool public openAdmin = true;
bool public openSpecial = false;
bool public openPresale = false;
bool public openPublic = false;
bool public revealed = false;
uint256 public maxSupplyAdmin = 10;
uint256 public maxSupplySpecial = 200;
uint256 public maxSupplyPresale = 1200;
uint256 public maxSupplyPublic = 5000;
uint256 public maxSupply = 5000;
uint256 public maxMintAmountAdmin = 10;
uint256 public maxMintAmountSpecial = 3;
uint256 public maxMintAmountPresale = 2;
uint256 public maxMintAmountPublic = 5;
uint256 public costAdmin = 0.0001 ether;
uint256 public costSpecial = 0.08 ether;
uint256 public costPresale = 0.11 ether;
uint256 public costPublic = 0.15 ether;
uint256 public reward = 1.4 ether;
mapping(address => bool) whitelistedAdmin;
mapping(address => bool) whitelistedSpecial;
mapping(address => bool) whitelistedPresale;
address payable[] public winnersAddresses;
constructor() ERC721("NFTCollection", "NFTC") {
setHiddenMetadataUri("ipfs://url/hidden.json");
}
modifier mintCompliance(uint256 _mintAmount) {
require(_mintAmount > 0, "You must mint at least 1 NFT");
require(supply.current() + _mintAmount <= maxSupplyPublic, "You can not mint more than maxSupplyPublic NTFs");
_;
}
function mintAdmin(uint256 _mintAmount) public payable mintCompliance(_mintAmount) {
require(openAdmin, "No active sale yet");
require(whitelistedAdmin[msg.sender], "You are not in the admin whitelist, wait for the public sale");
require(supply.current() + _mintAmount <= maxSupplyAdmin, "You can not mint more than maxSupplyAdmin NTFs in the admin sale");
require(balanceOf(msg.sender) + _mintAmount <= maxMintAmountAdmin, "You can not own more than maxMintAmountAdmin NFTs");
require(msg.value >= costAdmin * _mintAmount, "The value must cover the total number of mints");
_mintLoop(msg.sender, _mintAmount);
}
function mintSpecial(uint256 _mintAmount) public payable mintCompliance(_mintAmount) {
require(openSpecial, "No active sale yet");
require(whitelistedSpecial[msg.sender], "You are not in the special whitelist, wait for the public sale");
require(supply.current() + _mintAmount <= maxSupplySpecial, "You can not mint more than maxSupplySpecial NTFs in the special sale");
require(balanceOf(msg.sender) + _mintAmount <= maxMintAmountSpecial, "You can not own more than maxMintAmountSpecial NFTs");
require(msg.value >= costSpecial * _mintAmount, "The value must cover the total number of mints");
_mintLoop(msg.sender, _mintAmount);
}
function mintPresale(uint256 _mintAmount) public payable mintCompliance(_mintAmount) {
require(openPresale, "No active sale yet");
require(whitelistedPresale[msg.sender], "You are not in the presale whitelist, wait for the public sale");
require(supply.current() + _mintAmount <= maxSupplyPresale, "You can not mint more than maxSupplyPresale NTFs in the private sale");
require(balanceOf(msg.sender) + _mintAmount <= maxMintAmountPresale, "You can not own more than maxMintAmountPresale NFTs");
require(msg.value >= costPresale * _mintAmount, "The value must cover the total number of mints");
_mintLoop(msg.sender, _mintAmount);
}
function mint(uint256 _mintAmount) public payable mintCompliance(_mintAmount) {
require(openPublic, "No active sale yet");
require(balanceOf(msg.sender) + _mintAmount <= maxMintAmountPublic, "You can not own more than maxMintAmountPublic NFTs");
require(msg.value >= costPublic * _mintAmount, "The value must cover the total number of mints");
_mintLoop(msg.sender, _mintAmount);
}
function mintForAddress(uint256 _mintAmount, address _receiver) public onlyOwner {
require(_mintAmount > 0, "You must mint at least 1 NFT");
require(supply.current() + _mintAmount <= maxSupply, "You can not mint more than maxSupply NTFs");
_mintLoop(_receiver, _mintAmount);
}
function _mintLoop(address _receiver, uint256 _mintAmount) internal {
for (uint256 i = 0; i < _mintAmount; i++) {
supply.increment();
_safeMint(_receiver, supply.current());
}
}
function walletOfOwner(address _owner)
public
view
returns (uint256[] memory)
{
uint256 ownerTokenCount = balanceOf(_owner);
uint256[] memory ownedTokenIds = new uint256[](ownerTokenCount);
uint256 currentTokenId = 1;
uint256 ownedTokenIndex = 0;
while (ownedTokenIndex < ownerTokenCount && currentTokenId <= maxSupply) {
address currentTokenOwner = ownerOf(currentTokenId);
if (currentTokenOwner == _owner) {
ownedTokenIds[ownedTokenIndex] = currentTokenId;
ownedTokenIndex++;
}
currentTokenId++;
}
return ownedTokenIds;
}
function tokenURI(uint256 _tokenId)
public
view
virtual
override
returns (string memory)
{
require(
_exists(_tokenId),
"ERC721Metadata: URI query for nonexistent token"
);
if (revealed == false) {
return hiddenMetadataUri;
}
string memory currentBaseURI = _baseURI();
return bytes(currentBaseURI).length > 0
? string(abi.encodePacked(currentBaseURI, _tokenId.toString(), uriSuffix))
: "";
}
function _baseURI() internal view virtual override returns (string memory) {
return uriPrefix;
}
// USEFUL FUNCTIONS ONLYOWNER
function setRevealed(bool _state) public onlyOwner {
revealed = _state;
}
function setOpenAdmin(bool _state) public onlyOwner {
openAdmin = _state;
}
function setOpenSpecial(bool _state) public onlyOwner {
openSpecial = _state;
}
function setOpenPresale(bool _state) public onlyOwner {
openPresale = _state;
}
function setOpenPublic(bool _state) public onlyOwner {
openPublic = _state;
}
function setCostAdmin(uint256 _newCost) public onlyOwner() {
costAdmin = _newCost;
}
function setCostSpecial(uint256 _newCost) public onlyOwner() {
costSpecial = _newCost;
}
function setCostPresale(uint256 _newCost) public onlyOwner() {
costPresale = _newCost;
}
function setCostPublic(uint256 _newCost) public onlyOwner() {
costPublic = _newCost;
}
function setReward(uint256 _newReward) public onlyOwner() {
reward = _newReward;
}
function setMaxSupplyAdmin(uint256 _newMaxSupply) public onlyOwner {
maxSupplyAdmin = _newMaxSupply;
}
function setMaxSupplySpecial(uint256 _newMaxSupply) public onlyOwner {
maxSupplySpecial = _newMaxSupply;
}
function setMaxSupplyPresale(uint256 _newMaxSupply) public onlyOwner {
maxSupplyPresale = _newMaxSupply;
}
function setMaxSupplyPublic(uint256 _newMaxSupply) public onlyOwner {
maxSupplyPublic = _newMaxSupply;
}
function setMaxSupply(uint256 _newMaxSupply) public onlyOwner {
maxSupply = _newMaxSupply;
}
function setMaxMintAmountAdmin(uint256 _newMaxMintAmount) public onlyOwner {
maxMintAmountAdmin = _newMaxMintAmount;
}
function setMaxMintAmountSpecial(uint256 _newMaxMintAmount) public onlyOwner {
maxMintAmountSpecial = _newMaxMintAmount;
}
function setMaxMintAmountPresale(uint256 _newMaxMintAmount) public onlyOwner {
maxMintAmountPresale = _newMaxMintAmount;
}
function setMaxMintAmountPublic(uint256 _newMaxMintAmount) public onlyOwner {
maxMintAmountPublic = _newMaxMintAmount;
}
function setHiddenMetadataUri(string memory _hiddenMetadataUri) public onlyOwner {
hiddenMetadataUri = _hiddenMetadataUri;
}
function setUriPrefix(string memory _uriPrefix) public onlyOwner {
uriPrefix = _uriPrefix;
}
function setUriSuffix(string memory _uriSuffix) public onlyOwner {
uriSuffix = _uriSuffix;
}
function setWhitelistAdmin(address[] calldata _addressToWhitelist) public onlyOwner {
for(uint256 i = 0; i < _addressToWhitelist.length; i++) {
whitelistedAdmin[_addressToWhitelist[i]] = true;
}
}
function setWhitelistSpecial(address[] calldata _addressToWhitelist) public onlyOwner {
for(uint256 i = 0; i < _addressToWhitelist.length; i++) {
whitelistedSpecial[_addressToWhitelist[i]] = true;
}
}
function setWhitelistPresale(address[] calldata _addressToWhitelist) public onlyOwner {
for(uint256 i = 0; i < _addressToWhitelist.length; i++) {
whitelistedPresale[_addressToWhitelist[i]] = true;
}
}
function setWinnersAddresses(address payable[] calldata _users) public onlyOwner {
delete winnersAddresses;
winnersAddresses = _users;
}
function withdraw(uint256 amount) public onlyOwner {
(bool success, ) = payable(owner()).call{value: amount}("");
require(success);
}
function withdrawAll() public onlyOwner {
(bool success, ) = payable(owner()).call{value: address(this).balance}("");
require(success);
}
function sendRewardToWinners() public payable onlyOwner {
for(uint256 i = 0; i < winnersAddresses.length; i++) {
winnersAddresses[i].transfer(reward);
}
}
// USEFUL FUNCTIONS PUBLIC
function isWinner(address _user) public view returns (bool) {
for(uint256 i = 0; i < winnersAddresses.length; i++) {
if (winnersAddresses[i] == _user) {
return true;
}
}
return false;
}
function totalSupplyMax() public view returns (uint256) {
return maxSupply;
}
function totalSupply() public view returns (uint256) {
return supply.current();
}
}