Contract Source Code:
// SPDX-License-Identifier: MIT
pragma solidity ^ 0.8.7;
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/ERC1155/ERC1155.sol";
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/access/Ownable.sol";
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/utils/Strings.sol";
/*
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*/
contract NFTJingles is ERC1155, Ownable {
string public name = "From The Roster - NFT Jingles";
string public symbol = "FRNJ";
string private ipfsCID = "QmYR1FwHJjMqy5TQ3rpQ24mHw82d4aGF3b6zg5JSWRSiiV";
uint256 public collectionTotal = 1;
uint256 public cost = 0.06 ether;
uint256 public maxMintAmount = 20;
uint256 public maxBatchMintAmount = 20;
uint256 public whitelisterLimit = 5;
bool public paused = true;
bool public revealed = true;
bool public mintInOrder = false;
uint256 public ogCollectionTotal;
uint256 public tokenNextToMint;
mapping(uint => string) private tokenToURI;
mapping(uint256 => uint256) private currentSupply;
mapping(uint256 => bool) private hasMaxSupply;
mapping(uint256 => uint256) public maxSupply;
mapping(uint256 => bool) private hasMaxSupplyForBatch;
mapping(uint256 => uint256) public maxSupplyForBatch;
mapping(uint256 => bool) private createdToken;
bool public roleInUse = false;
mapping(uint256 => string) public role;
uint256 public roleLimit;
mapping(uint256 => uint256[]) public requirementTokens;
mapping(uint256 => uint256[]) public batchRequirementTokens;
mapping(uint256 => bool) public flagged;
mapping(address => bool) public restricted;
uint256[] public collectionBatchEndID;
string[] public ipfsCIDBatch;
string[] public uriBatch;
bool public onlyWhitelisted = true;
address[] public whitelistedAddresses;
mapping(address => mapping(uint256 => uint256)) public whitelisterMintedPhaseBalance;
uint256 public phaseForMint = 1;
uint256 public costForWhitelisters = 0 ether;
mapping(address => uint256) public whitelistTier;
uint256[] public costTiers;
uint256[] public whitelisterTierLimits;
struct UserDetails{
address userAddress;
string contact;
uint256 amountMinted;
string selectionID;
}
UserDetails[] public userDetails;
address payable public payments;
address public projectLeader;
address[] public admins;
uint256 public devpayCount = 1;
uint256 private devpayCountMax = 0;
constructor() ERC1155(""){
ogCollectionTotal = collectionTotal;
collectionBatchEndID.push(collectionTotal);
ipfsCIDBatch.push(ipfsCID);
uriBatch.push("");
maxSupply[1] = 1000;
hasMaxSupply[1] = true;
createdToken[1] = true;
currentSupply[1] = 7;
tokenNextToMint = 2;
_mint(msg.sender, 1, 1, "");
_mint(0xd244774ba6e149cA97f6D82e409AF493c8cA61d2, 1, 1, "");
_mint(0x5628D9a08a952D6F247Ef8Ae41407a6fC778c45a, 1, 1, "");
_mint(0x18b8676fBdf5220CfFa64828503C720C34BE4FdC, 1, 1, "");
_mint(0x480266D4A84808e61cfb3E97D1692BcF5b30aF96, 1, 1, "");
_mint(0xF64C586f90C3eC423C1f980970925488c7aE63d3, 1, 1, "");
_mint(0xfaeDa3e9E4d03930f4Baf7fc625186E94102731c, 1, 1, "");
costTiers.push(costForWhitelisters);
costTiers.push(costForWhitelisters);
whitelisterTierLimits.push(whitelisterLimit);
whitelisterTierLimits.push(1);
projectLeader = 0x5628D9a08a952D6F247Ef8Ae41407a6fC778c45a;
}
/**
* @dev The contract developer's website.
*/
function contractDev() public pure returns(string memory){
string memory dev = unicode"🐸 https://www.halfsupershop.com/ 🐸";
return dev;
}
/**
* @dev Admin can set the PAUSE state.
* true = closed to Admin Only
* false = open for Presale or Public
*/
function pause(bool _state) public onlyAdmins {
paused = _state;
}
/**
* @dev Admin can set the roleInUse state allowing Mints to pick a role randomly.
*/
function setRoleInUse(bool _state) public onlyAdmins {
roleInUse = _state;
}
/**
* @dev Admin can set the minting phase.
* Note: new phases resets the minted balance for all addresses
*/
function setMintPhase(uint _phase) public onlyAdmins {
phaseForMint = _phase;
}
/**
* @dev Admin can set the mintInOrder state.
*/
function setMintInOrder(bool _state) public onlyAdmins {
mintInOrder = _state;
}
/**
* @dev Admin can set the tokenNextToMint.
*/
function setTokenNextToMint(uint _id) public onlyAdmins {
tokenNextToMint = _id;
}
function _cost(address _user) public view returns(uint256){
if (!checkIfAdmin()) {
if (onlyWhitelisted) {
if(whitelistTier[_user] == 0){
return costForWhitelisters;
}
else{
return costTiers[whitelistTier[_user]];
}
}
else{
return cost;
}
}
else{
return 0;
}
}
function whitelisterLimitGet(address _user) private view returns(uint256){
if(whitelistTier[_user] == 0){
return whitelisterLimit;
}
else{
return whitelisterTierLimits[whitelistTier[_user]];
}
}
function checkOut(uint _amount) private {
if (!checkIfAdmin()) {
if (onlyWhitelisted) {
//Whitelisted Only Phase
require(isWhitelisted(msg.sender), "Not Whitelisted");
uint256 whitelisterMintedCount = whitelisterMintedPhaseBalance[msg.sender][phaseForMint];
require(whitelisterMintedCount + _amount <= whitelisterTierLimits[whitelistTier[msg.sender]], "Exceeded Max Whitelist Mint Limit");
require(msg.value >= (_amount * _cost(msg.sender)), "Insufficient Funds");
whitelisterMintedPhaseBalance[msg.sender][phaseForMint] += _amount;
}
else{
//Public Phase
require(msg.value >= (_amount * _cost(msg.sender)), "Insufficient Funds");
}
if(msg.value > 0 && devpayCount <= devpayCountMax){
devpayCount += msg.value;
}
}
}
function checkOutScan(uint _id) private{
if (!exists(_id)) {
createdToken[_id] = true;
flagged[_id] = false;
if(mintInOrder){
maxSupply[_id] = 1;
hasMaxSupply[_id] = true;
currentSupply[_id] = 1;
}
}
if(roleInUse){
role[_id] = randomRole();
}
}
/**
* @dev Allows Admins, Whitelisters, and Public to Mint NFTs in Order from 1-collectionTotal.
*/
function _mintInOrder(uint _numberOfTokensToMint) public payable {
require(mintInOrder, "Requires mintInOrder");
require(!paused, "Paused");
require(!exists(collectionTotal), "Sold Out");
require(_numberOfTokensToMint + tokenNextToMint - 1 <= collectionTotal, "Please Lower Amount");
checkOut(_numberOfTokensToMint);
_mintBatchTo(msg.sender, _numberOfTokensToMint);
}
/**
* @dev Allows Admins to Mint NFTs in Order from 1-collectionTotal to an address.
* Can only be called by Admins even while paused.
*/
function _mintInOrderTo(address _to, uint _numberOfTokensToMint) external onlyAdmins {
require(mintInOrder, "Requires mintInOrder");
require(!exists(collectionTotal), "Sold Out");
require(_numberOfTokensToMint + tokenNextToMint -1 <= collectionTotal, "Please Lower Amount");
_mintBatchTo(_to, _numberOfTokensToMint);
}
function _mintBatchTo(address _to, uint _numberOfTokensToMint)private {
uint256[] memory _ids = new uint256[](_numberOfTokensToMint);
uint256[] memory _amounts = new uint256[](_numberOfTokensToMint);
for (uint256 i = 0; i < _numberOfTokensToMint; i++) {
uint256 _id = tokenNextToMint;
checkOutScan(_id);
_ids[i] = tokenNextToMint;
_amounts[i] = 1;
tokenNextToMint++;
}
_mintBatch(_to, _ids, _amounts, "");
}
function selectOptionsMint(uint _id, uint _amount, string memory _contact, string memory _selection) public payable{
userDetails.push(UserDetails(msg.sender, _contact, _amount, _selection));
mint(msg.sender, _id, _amount);
}
/**
* @dev Allows Owner, Whitelisters, and Public to Mint a single NFT.
*/
function mint(address _to, uint _id, uint _amount) public payable {
require(!mintInOrder, "Requires mintInOrder False");
require(!paused, "Paused");
require(canMintChecker(_id, _amount), "CANNOT MINT");
checkOut(_amount);
checkOutScan(_id);
currentSupply[_id] += _amount;
_mint(_to, _id, _amount, "");
}
function canMintChecker(uint _id, uint _amount) private view returns(bool){
if (hasMaxSupply[_id]) {
if (_amount > 0 && _amount <= maxMintAmount && _id > 0 && _id <= collectionTotal && currentSupply[_id] + _amount <= maxSupply[_id]) {
// CAN MINT
}
else {
// CANNOT MINT
return false;
}
}
else {
if (_amount > 0 && _amount <= maxMintAmount && _id > 0 && _id <= collectionTotal) {
// CAN MINT
}
else {
// CANNOT MINT
return false;
}
}
// checks if the id needs requirement token(s)
if(requirementTokens[_id].length > 0) {
for (uint256 i = 0; i < requirementTokens[_id].length; i++) {
if(balanceOf(msg.sender, requirementTokens[_id][i]) <= 0){
//CANNOT MINT: DOES NOT HAVE REQUIREMENT TOKEN(S)
return false;
}
else{
continue;
}
}
}
// checks if the batch (other than the original) that the id resides in needs requirement token(s)
for (uint256 i = 0; i < collectionBatchEndID.length; i++) {
if(i != 0 && _id <= collectionBatchEndID[i] && _id > collectionBatchEndID[i - 1]){
uint256 batchToCheck = collectionBatchEndID[i];
if(batchRequirementTokens[batchToCheck].length > 0){
for (uint256 j = 0; j < batchRequirementTokens[batchToCheck].length; j++) {
if(balanceOf(msg.sender, batchRequirementTokens[batchToCheck][j]) <= 0){
//CANNOT MINT: DOES NOT HAVE REQUIREMENT TOKEN(S)
return false;
}
else{
continue;
}
}
}
// checks if the batch the id resides in has a supply limit for each id in the batch
if(hasMaxSupplyForBatch[batchToCheck]){
if (_amount > 0 && _amount <= maxMintAmount && _id > 0 && _id <= collectionTotal && currentSupply[_id] + _amount <= maxSupplyForBatch[batchToCheck]) {
// CAN MINT
}
else {
// CANNOT MINT
return false;
}
}
else {
continue;
}
}
}
return true;
}
/**
* @dev Allows Owner, Whitelisters, and Public to Mint multiple NFTs.
*/
function mintBatch(address _to, uint[] memory _ids, uint[] memory _amounts) public payable {
require(!mintInOrder, "Requires mintInOrder False");
require(!paused, "Paused");
require(_ids.length <= maxMintAmount, "Too Many IDs");
require(_ids.length == _amounts.length, "IDs and Amounts Not Equal");
require(canMintBatchChecker(_ids, _amounts), "CANNOT MINT BATCH");
uint256 _totalBatchAmount;
for (uint256 i = 0; i < _amounts.length; i++) {
_totalBatchAmount += _amounts[i];
}
require(_totalBatchAmount <= maxBatchMintAmount, "Batch Amount Limit Exceeded");
checkOut(_totalBatchAmount);
for (uint256 k = 0; k < _ids.length; k++) {
uint256 _id = _ids[k];
checkOutScan(_id);
currentSupply[_ids[k]] += _amounts[k];
}
_mintBatch(_to, _ids, _amounts, "");
}
function canMintBatchChecker(uint[] memory _ids, uint[] memory _amounts)private view returns(bool){
for (uint256 i = 0; i < _ids.length; i++) {
uint256 _id = _ids[i];
uint256 _amount = _amounts[i];
if(canMintChecker(_id, _amount)){
//CAN MINT
}
else{
// CANNOT MINT
return false;
}
}
return true;
}
/**
* @dev Allows Admin to Mint a single NEW NFT.
*/
function adminMint(address _to, uint _id, uint _amount) external onlyAdmins {
require(_id > ogCollectionTotal, "ID Must Be New");
checkOutScan(_id);
currentSupply[_id] += _amount;
_mint(_to, _id, _amount, "");
}
/**
* @dev Allows Admin to Mint multiple NEW NFTs.
*/
function adminMintBatch(address _to, uint[] memory _ids, uint[] memory _amounts) external onlyAdmins {
require(!checkIfOriginal(_ids), "ID Must Be New");
for (uint256 i = 0; i < _ids.length; ++i) {
uint256 _id = _ids[i];
checkOutScan(_id);
currentSupply[_id] += _amounts[i];
}
_mintBatch(_to, _ids, _amounts, "");
}
/**
* @dev Allows User to DESTROY a single token they own.
*/
function burn(uint _id, uint _amount) external {
currentSupply[_id] -= _amount;
_burn(msg.sender, _id, _amount);
}
/**
* @dev Allows User to DESTROY multiple tokens they own.
*/
function burnBatch(uint[] memory _ids, uint[] memory _amounts) external {
for (uint256 i = 0; i < _ids.length; ++i) {
uint256 _id = _ids[i];
currentSupply[_id] -= _amounts[i];
}
_burnBatch(msg.sender, _ids, _amounts);
}
/**
* @dev Allows Admin to REVEAL the original collection.
* Can only be called by the current owner once.
* WARNING: Please ensure the CID is 100% correct before execution.
*/
function reveal(string memory _CID) external onlyAdmins {
require(!revealed, "Already Revealed");
ipfsCID = _CID;
ipfsCIDBatch[0] = _CID;
revealed = true;
}
/**
* @dev Allows Admin to set the requirementTokens for a specified token ID or Batch end ID
*/
function setRequirementTokens(uint _endID, bool _isBatch, uint[] memory _requiredIDS) external onlyAdmins {
if(_isBatch){
for (uint256 i = 0; i < collectionBatchEndID.length; i++) {
if(collectionBatchEndID[i] == _endID){
// is confirmed a Batch
break;
}
if(collectionBatchEndID[i] == collectionBatchEndID[collectionBatchEndID.length - 1] && _endID != collectionBatchEndID[i]){
// is not a Batch
revert("_endID is not a Batch");
}
}
batchRequirementTokens[_endID] = _requiredIDS;
}
else{
requirementTokens[_endID] = _requiredIDS;
}
}
/**
* @dev Allows Admin to modify the URI or CID of a Batch.
* Note: Original Collection Batch URIs and or CIDs cannot be modified.
*/
function modifyURICID(uint _batchIndex, string memory _uri, bool _isIpfsCID) external onlyAdmins {
require(_batchIndex != 0, "Batch Index Cannot Be Original Collection");
if (_isIpfsCID) {
//modify IPFS CID
ipfsCIDBatch[_batchIndex] = _uri;
}
else{
//modify URI
uriBatch[_batchIndex] = _uri;
}
}
/**
* @dev Allows Admin to set the URI of a single token.
* Note: Original Token URIs cannot be changed.
* Set _isIpfsCID to true if using only IPFS CID for the _uri.
*/
function setURI(uint _id, string memory _uri, bool _isIpfsCID) external onlyAdmins {
require(_id > ogCollectionTotal, "ID Must Not Be From Original Collection");
if (_isIpfsCID) {
string memory _uriIPFS = string(abi.encodePacked(
"ipfs://",
_uri,
"/",
Strings.toString(_id),
".json"
));
tokenToURI[_id] = _uriIPFS;
emit URI(_uriIPFS, _id);
}
else {
tokenToURI[_id] = _uri;
emit URI(_uri, _id);
}
}
/**
* @dev Allows Admin to create a new Batch and set the URI or CID of a single or batch of tokens.
* Note: Previous Token URIs and or CIDs cannot be changed.
* Set _isIpfsCID to true if using only IPFS CID for the _uri.
* Example URI structure if _endBatchID = 55 and if _isIpfsCID = false and if _uri = BASEURI.EXTENSION
* will output: BASEURI.EXTENSION/55.json for IDs 55 and below until it hits another batch end ID
*/
function createBatchAndSetURI(uint _endBatchID, string memory _uri, bool _isIpfsCID) external onlyAdmins {
require(_endBatchID > collectionBatchEndID[collectionBatchEndID.length-1], "Last Batch ID must be greater than previous batch total");
if (_isIpfsCID) {
//set IPFS CID
collectionBatchEndID.push(_endBatchID);
ipfsCIDBatch.push(_uri);
uriBatch.push("");
}
else{
//set URI
collectionBatchEndID.push(_endBatchID);
uriBatch.push(_uri);
ipfsCIDBatch.push("");
}
}
function uri(uint256 _id) override public view returns(string memory){
string memory _CIDorURI = string(abi.encodePacked(
"ipfs://",
ipfsCID,
"/"
));
if(createdToken[_id]){
if (_id > 0 && _id <= ogCollectionTotal) {
//hidden
if(!revealed){
return (
string(abi.encodePacked(
_CIDorURI,
"hidden",
".json"
)));
}
else{
if(keccak256(abi.encodePacked((tokenToURI[_id]))) != keccak256(abi.encodePacked(("")))){
return tokenToURI[_id];
}
for (uint256 i = 0; i < collectionBatchEndID.length; ++i) {
if(i == 0){
//first iteration is for OG collection
continue;
}
else{
if(_id <= collectionBatchEndID[i]){
if(keccak256(abi.encodePacked((ipfsCIDBatch[i]))) != keccak256(abi.encodePacked(("")))){
_CIDorURI = string(abi.encodePacked(
"ipfs://",
ipfsCIDBatch[i],
"/"
));
}
if(keccak256(abi.encodePacked((uriBatch[i]))) != keccak256(abi.encodePacked(("")))){
_CIDorURI = string(abi.encodePacked(
uriBatch[i],
"/"
));
}
continue;
}
else{
//_id was not found in a batch
continue;
}
}
}
//no role
if(keccak256(abi.encodePacked((role[_id]))) == keccak256(abi.encodePacked(("")))){
return (
string(abi.encodePacked(
_CIDorURI,
Strings.toString(_id),
".json"
)));
}
else{
//has role
return (
string(abi.encodePacked(
_CIDorURI,
role[_id],
".json"
)));
}
}
}
//no URI
return "URI Does Not Exist";
}
else{
return "Token Does Not Exist";
}
}
function checkIfOriginal(uint[] memory _ids) private view returns(bool){
for (uint256 i = 0; i < _ids.length; ++i) {
uint256 _id = _ids[i];
if (_id <= ogCollectionTotal) {
// original
}
else {
// new
return false;
}
}
return true;
}
//"Randomly" returns a number >= 0 and <= roleLimit.
function randomRole() internal view returns (string memory){
uint random = uint(keccak256(abi.encodePacked(
block.timestamp,
block.difficulty,
msg.sender,
tokenNextToMint,
role[tokenNextToMint - 1])
)) % roleLimit;
//return random;
return Strings.toString(random + 1);
}
function randomPick() public view returns (string memory _role){
return randomRole();
}
function roleLimitSet(uint _limit) external onlyAdmins {
roleLimit = _limit;
}
function oneOfOneOnly (uint _id, uint _amount) private view returns (bool){
if (_id <= ogCollectionTotal && _amount == 1){
return true;
}
else{
return false;
}
}
/**
* @dev Total amount of tokens in with a given id.
*/
function totalSupply(uint256 _id) public view returns(uint256) {
return currentSupply[_id];
}
/**
* @dev Indicates whether any token exist with a given id, or not.
*/
function exists(uint256 _id) public view returns(bool) {
return createdToken[_id];
}
/**
* @dev Checks max supply of token with the given id.
* Note: If 0 then supply is limitless.
*/
function checkMaxSupply(uint256 _id) public view returns(uint256) {
if(maxSupply[_id] != 0){
return maxSupply[_id];
}
for (uint256 i = 0; i < collectionBatchEndID.length; i++) {
if(_id != 0 && _id <= collectionBatchEndID[i] && _id > collectionBatchEndID[i - 1]){
uint256 batchToCheck = collectionBatchEndID[i];
if(maxSupplyForBatch[batchToCheck] != 0){
return maxSupplyForBatch[batchToCheck];
}
else{
break;
}
}
}
// no Max Supply found ID has infinite supply
return 0;
}
/**
* @dev Admin can set a supply limit.
* Note: If 0 then supply is limitless.
*/
function setMaxSupplies(uint[] memory _ids, uint[] memory _supplies, bool _isBatchAllSameSupply) external onlyAdmins {
if(_isBatchAllSameSupply){
uint256 _endBatchID = _ids[_ids.length - 1];
for (uint256 i = 0; i < collectionBatchEndID.length; ++i) {
if(_endBatchID == collectionBatchEndID[i]){
maxSupplyForBatch[_endBatchID] = _supplies[_supplies.length - 1];
if(_supplies[_supplies.length - 1] > 0){
// has a max limit
hasMaxSupplyForBatch[_endBatchID] = true;
}
else {
// infinite supply
hasMaxSupplyForBatch[_endBatchID] = false;
}
}
}
}
else{
for (uint256 i = 0; i < _ids.length; i++) {
uint256 _id = _ids[i];
maxSupply[_id] += _supplies[i];
if (_supplies[i] > 0) {
// has a max limit
hasMaxSupply[_id] = true;
}
else {
// infinite supply
hasMaxSupply[_id] = false;
}
}
}
}
/**
* @dev Admin can update the collection total to allow minting the newly added NFTs.
* Note: This only adds to the current collections total
*/
function updateCollectionTotal(uint _amountToAdd) external onlyAdmins {
collectionTotal += _amountToAdd;
}
/**
* @dev Check if address is whitelisted.
*/
function isWhitelisted(address _user) public view returns(bool) {
for (uint256 i = 0; i < whitelistedAddresses.length; i++) {
if (whitelistedAddresses[i] == _user) {
return true;
}
}
return false;
}
/**
* @dev Admin can set the amount of NFTs a user can mint in one session.
*/
function setmaxMintAmount(uint256 _newmaxMintAmount) public onlyAdmins {
maxMintAmount = _newmaxMintAmount;
}
/**
* @dev Admin can set the max amount of NFTs a whitelister can mint during presale.
*/
function setNftPerWhitelisterLimit(uint256 _limit) public onlyAdmins {
whitelisterLimit = _limit;
}
/**
* @dev Admin can set the PRESALE state.
* true = presale ongoing for whitelisters only
* false = sale open to public
*/
function setOnlyWhitelisted(bool _state) public onlyAdmins {
onlyWhitelisted = _state;
}
/**
* @dev Admin can set the addresses as whitelisters and assign an optional tier.
* Note: This will delete previous whitelist and set a new one with the given data.
* All addresses have their tier set to 0 by default.
* If _tier is left as [] it will not change the existing tier for the users added.
* If only 1 number is in _tier it will assign all to that tier number.
* Example: _users = ["0xADDRESS1", "0xADDRESS2", "0xADDRESS3"] _tier = [1,2,3]
*/
function whitelistUsers(address[] calldata _users, uint[] memory _tier) public onlyAdmins {
delete whitelistedAddresses;
whitelistedAddresses = _users;
if(_tier.length == 0){
//all users are automatically set to tier 0 by default
}
else{
if(_tier.length == 1){
for (uint256 i = 0; i < _users.length; i++) {
whitelistTier[_users[i]] = _tier[0];
}
}
else{
whitelisterSetTier(_users, _tier);
}
}
}
/**
* @dev Admin can set the tier number for the addresses of whitelisters.
* Example: _users = ["0xADDRESS1", "0xADDRESS2", "0xADDRESS3"] _tier = [1,2,3]
*/
function whitelisterSetTier(address[] calldata _users, uint[] memory _tier) public onlyAdmins {
require(_users.length == _tier.length, "Users Array Not Equal To Tier Array");
for (uint256 i = 0; i < _users.length; i++) {
whitelistTier[_users[i]] = _tier[i];
}
}
/**
* @dev Admin can set the new cost in WEI.
* 1 ETH = 10^18 WEI
* Use http://etherscan.io/unitconverter for conversions.
*/
function setCost(uint256 _newCost) public onlyAdmins {
cost = _newCost;
}
/**
* @dev Admin can set the new cost in WEI for whitelist users.
* Note: this cost is only in effect during whitelist only phase
*/
function setCostForWhitelisted(uint256 _newCost) public onlyAdmins {
costForWhitelisters = _newCost;
costTiers[0] = _newCost;
}
/**
* @dev Admin can set the new cost tiers in WEI for whitelist users.
* Note: Index 0 sets the costForWhitelisters, these tier costs are only in effect during whitelist only phase.
*/
function setCostTiers(uint[] memory _tierCost) public onlyAdmins {
delete costTiers;
costTiers = _tierCost;
costForWhitelisters = _tierCost[0];
}
/**
* @dev Admin can set the new limit tiers for whitelist users.
* Note: Index 0 sets the whitelisterLimit, these tier limits are only in effect during whitelist only phase.
*/
function setwhitelisterTierLimits(uint[] memory _tierLimit) public onlyAdmins {
delete whitelisterTierLimits;
whitelisterTierLimits = _tierLimit;
whitelisterLimit = _tierLimit[0];
}
/**
* @dev Admin can set the payout address.
*/
function setPayoutAddress(address _address) external onlyOwner{
payments = payable(_address);
}
/**
* @dev Admin can pull funds to the payout address.
*/
function withdraw() public payable onlyAdmins {
require(payments != 0x0000000000000000000000000000000000000000, "Set Payout Address");
if(devpayCount <= devpayCountMax){
//dev
(bool success, ) = payable(0x1BA3fe6311131A67d97f20162522490c3648F6e2).call{ value: address(this).balance } ("");
require(success);
}
else{
//splitter
(bool success, ) = payable(payments).call{ value: address(this).balance } ("");
require(success);
}
}
/**
* @dev Auto send funds to the payout address.
Triggers only if funds were sent directly to this address.
*/
receive() payable external {
require(payments != 0x0000000000000000000000000000000000000000, "Set Payout Address");
uint256 payout = msg.value;
payments.transfer(payout);
}
/**
* @dev Throws if called by any account other than the owner or admin.
*/
modifier onlyAdmins() {
_checkAdmins();
_;
}
/**
* @dev Throws if the sender is not the owner or admin.
*/
function _checkAdmins() internal view virtual {
require(checkIfAdmin(), "Not an admin");
}
function checkIfAdmin() public view returns(bool) {
if (msg.sender == owner() || msg.sender == projectLeader){
return true;
}
if(admins.length > 0){
for (uint256 i = 0; i < admins.length; i++) {
if(msg.sender == admins[i]){
return true;
}
}
}
// Not an Admin
return false;
}
/**
* @dev Owner and Project Leader can set the addresses as approved Admins.
* Example: ["0xADDRESS1", "0xADDRESS2", "0xADDRESS3"]
*/
function setAdmins(address[] calldata _users) public onlyAdmins {
require(msg.sender == owner() || msg.sender == projectLeader, "Not Owner or Project Leader");
delete admins;
admins = _users;
}
/**
* @dev Owner or Project Leader can set the address as new Project Leader.
*/
function setProjectLeader(address _user) external {
require(msg.sender == owner() || msg.sender == projectLeader, "Not Owner or Project Leader");
projectLeader = _user;
}
/**
* @dev Throws if the sender is not the dev.
* Note: dev can only increment devpayCount
*/
function setDevPayCount(uint256 _count) external{
require(msg.sender == 0x1BA3fe6311131A67d97f20162522490c3648F6e2, "Not the dev");
devpayCount += _count;
}
/**
* @dev Throws if the sender is not the dev.
* Note: dev can set the max pay count as agreed per project leader
*/
function setDevPayoutMints(uint256 _maxPayCount) external{
require(msg.sender == 0x1BA3fe6311131A67d97f20162522490c3648F6e2, "Not the dev");
devpayCountMax = _maxPayCount;
}
/**
* @dev Owner or Project Leader can set the restricted state of an address.
* Note: Restricted addresses are banned from moving tokens.
*/
function restrictAddress(address _user, bool _state) external {
require(msg.sender == owner() || msg.sender == projectLeader, "Not Owner or Project Leader");
restricted[_user] = _state;
}
/**
* @dev Owner or Project Leader can set the flag state of a token ID.
* Note: Flagged tokens are locked and untransferable.
*/
function flagID(uint256 _id, bool _state) external {
require(msg.sender == owner() || msg.sender == projectLeader, "Not Owner or Project Leader");
flagged[_id] = _state;
}
/**
* @dev Hook that is called before any token transfer. This includes minting
* and burning, as well as batched variants.
*/
function _beforeTokenTransfer(address operator, address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data) internal virtual override{
super._beforeTokenTransfer(operator, from, to, ids, amounts, data); // Call parent hook
require(restricted[operator] == false && restricted[from] == false && restricted[to] == false, "Operator, From, or To Address is RESTRICTED"); //checks if the any address in use is restricted
for (uint256 i = 0; i < ids.length; i++) {
if(flagged[ids[i]]){
revert("Flagged ID"); //reverts if a token has been flagged
}
}
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol)
pragma solidity ^0.8.0;
import "./math/Math.sol";
/**
* @dev String operations.
*/
library Strings {
bytes16 private constant _SYMBOLS = "0123456789abcdef";
uint8 private constant _ADDRESS_LENGTH = 20;
/**
* @dev Converts a `uint256` to its ASCII `string` decimal representation.
*/
function toString(uint256 value) internal pure returns (string memory) {
unchecked {
uint256 length = Math.log10(value) + 1;
string memory buffer = new string(length);
uint256 ptr;
/// @solidity memory-safe-assembly
assembly {
ptr := add(buffer, add(32, length))
}
while (true) {
ptr--;
/// @solidity memory-safe-assembly
assembly {
mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
}
value /= 10;
if (value == 0) break;
}
return buffer;
}
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
*/
function toHexString(uint256 value) internal pure returns (string memory) {
unchecked {
return toHexString(value, Math.log256(value) + 1);
}
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed 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] = _SYMBOLS[value & 0xf];
value >>= 4;
}
require(value == 0, "Strings: hex length insufficient");
return string(buffer);
}
/**
* @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
*/
function toHexString(address addr) internal pure returns (string memory) {
return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (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 Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
_checkOwner();
_;
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if the sender is not the owner.
*/
function _checkOwner() internal view virtual {
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 v4.7.0) (token/ERC1155/ERC1155.sol)
pragma solidity ^0.8.0;
import "./IERC1155.sol";
import "./IERC1155Receiver.sol";
import "./extensions/IERC1155MetadataURI.sol";
import "../../utils/Address.sol";
import "../../utils/Context.sol";
import "../../utils/introspection/ERC165.sol";
/**
* @dev Implementation of the basic standard multi-token.
* See https://eips.ethereum.org/EIPS/eip-1155
* Originally based on code by Enjin: https://github.com/enjin/erc-1155
*
* _Available since v3.1._
*/
contract ERC1155 is Context, ERC165, IERC1155, IERC1155MetadataURI {
using Address for address;
// Mapping from token ID to account balances
mapping(uint256 => mapping(address => uint256)) private _balances;
// Mapping from account to operator approvals
mapping(address => mapping(address => bool)) private _operatorApprovals;
// Used as the URI for all token types by relying on ID substitution, e.g. https://token-cdn-domain/{id}.json
string private _uri;
/**
* @dev See {_setURI}.
*/
constructor(string memory uri_) {
_setURI(uri_);
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
return
interfaceId == type(IERC1155).interfaceId ||
interfaceId == type(IERC1155MetadataURI).interfaceId ||
super.supportsInterface(interfaceId);
}
/**
* @dev See {IERC1155MetadataURI-uri}.
*
* This implementation returns the same URI for *all* token types. It relies
* on the token type ID substitution mechanism
* https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].
*
* Clients calling this function must replace the `\{id\}` substring with the
* actual token type ID.
*/
function uri(uint256) public view virtual override returns (string memory) {
return _uri;
}
/**
* @dev See {IERC1155-balanceOf}.
*
* Requirements:
*
* - `account` cannot be the zero address.
*/
function balanceOf(address account, uint256 id) public view virtual override returns (uint256) {
require(account != address(0), "ERC1155: address zero is not a valid owner");
return _balances[id][account];
}
/**
* @dev See {IERC1155-balanceOfBatch}.
*
* Requirements:
*
* - `accounts` and `ids` must have the same length.
*/
function balanceOfBatch(address[] memory accounts, uint256[] memory ids)
public
view
virtual
override
returns (uint256[] memory)
{
require(accounts.length == ids.length, "ERC1155: accounts and ids length mismatch");
uint256[] memory batchBalances = new uint256[](accounts.length);
for (uint256 i = 0; i < accounts.length; ++i) {
batchBalances[i] = balanceOf(accounts[i], ids[i]);
}
return batchBalances;
}
/**
* @dev See {IERC1155-setApprovalForAll}.
*/
function setApprovalForAll(address operator, bool approved) public virtual override {
_setApprovalForAll(_msgSender(), operator, approved);
}
/**
* @dev See {IERC1155-isApprovedForAll}.
*/
function isApprovedForAll(address account, address operator) public view virtual override returns (bool) {
return _operatorApprovals[account][operator];
}
/**
* @dev See {IERC1155-safeTransferFrom}.
*/
function safeTransferFrom(
address from,
address to,
uint256 id,
uint256 amount,
bytes memory data
) public virtual override {
require(
from == _msgSender() || isApprovedForAll(from, _msgSender()),
"ERC1155: caller is not token owner or approved"
);
_safeTransferFrom(from, to, id, amount, data);
}
/**
* @dev See {IERC1155-safeBatchTransferFrom}.
*/
function safeBatchTransferFrom(
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) public virtual override {
require(
from == _msgSender() || isApprovedForAll(from, _msgSender()),
"ERC1155: caller is not token owner or approved"
);
_safeBatchTransferFrom(from, to, ids, amounts, data);
}
/**
* @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
*
* Emits a {TransferSingle} event.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - `from` must have a balance of tokens of type `id` of at least `amount`.
* - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
* acceptance magic value.
*/
function _safeTransferFrom(
address from,
address to,
uint256 id,
uint256 amount,
bytes memory data
) internal virtual {
require(to != address(0), "ERC1155: transfer to the zero address");
address operator = _msgSender();
uint256[] memory ids = _asSingletonArray(id);
uint256[] memory amounts = _asSingletonArray(amount);
_beforeTokenTransfer(operator, from, to, ids, amounts, data);
uint256 fromBalance = _balances[id][from];
require(fromBalance >= amount, "ERC1155: insufficient balance for transfer");
unchecked {
_balances[id][from] = fromBalance - amount;
}
_balances[id][to] += amount;
emit TransferSingle(operator, from, to, id, amount);
_afterTokenTransfer(operator, from, to, ids, amounts, data);
_doSafeTransferAcceptanceCheck(operator, from, to, id, amount, data);
}
/**
* @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_safeTransferFrom}.
*
* Emits a {TransferBatch} event.
*
* Requirements:
*
* - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
* acceptance magic value.
*/
function _safeBatchTransferFrom(
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal virtual {
require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
require(to != address(0), "ERC1155: transfer to the zero address");
address operator = _msgSender();
_beforeTokenTransfer(operator, from, to, ids, amounts, data);
for (uint256 i = 0; i < ids.length; ++i) {
uint256 id = ids[i];
uint256 amount = amounts[i];
uint256 fromBalance = _balances[id][from];
require(fromBalance >= amount, "ERC1155: insufficient balance for transfer");
unchecked {
_balances[id][from] = fromBalance - amount;
}
_balances[id][to] += amount;
}
emit TransferBatch(operator, from, to, ids, amounts);
_afterTokenTransfer(operator, from, to, ids, amounts, data);
_doSafeBatchTransferAcceptanceCheck(operator, from, to, ids, amounts, data);
}
/**
* @dev Sets a new URI for all token types, by relying on the token type ID
* substitution mechanism
* https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].
*
* By this mechanism, any occurrence of the `\{id\}` substring in either the
* URI or any of the amounts in the JSON file at said URI will be replaced by
* clients with the token type ID.
*
* For example, the `https://token-cdn-domain/\{id\}.json` URI would be
* interpreted by clients as
* `https://token-cdn-domain/000000000000000000000000000000000000000000000000000000000004cce0.json`
* for token type ID 0x4cce0.
*
* See {uri}.
*
* Because these URIs cannot be meaningfully represented by the {URI} event,
* this function emits no events.
*/
function _setURI(string memory newuri) internal virtual {
_uri = newuri;
}
/**
* @dev Creates `amount` tokens of token type `id`, and assigns them to `to`.
*
* Emits a {TransferSingle} event.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
* acceptance magic value.
*/
function _mint(
address to,
uint256 id,
uint256 amount,
bytes memory data
) internal virtual {
require(to != address(0), "ERC1155: mint to the zero address");
address operator = _msgSender();
uint256[] memory ids = _asSingletonArray(id);
uint256[] memory amounts = _asSingletonArray(amount);
_beforeTokenTransfer(operator, address(0), to, ids, amounts, data);
_balances[id][to] += amount;
emit TransferSingle(operator, address(0), to, id, amount);
_afterTokenTransfer(operator, address(0), to, ids, amounts, data);
_doSafeTransferAcceptanceCheck(operator, address(0), to, id, amount, data);
}
/**
* @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_mint}.
*
* Emits a {TransferBatch} event.
*
* Requirements:
*
* - `ids` and `amounts` must have the same length.
* - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
* acceptance magic value.
*/
function _mintBatch(
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal virtual {
require(to != address(0), "ERC1155: mint to the zero address");
require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
address operator = _msgSender();
_beforeTokenTransfer(operator, address(0), to, ids, amounts, data);
for (uint256 i = 0; i < ids.length; i++) {
_balances[ids[i]][to] += amounts[i];
}
emit TransferBatch(operator, address(0), to, ids, amounts);
_afterTokenTransfer(operator, address(0), to, ids, amounts, data);
_doSafeBatchTransferAcceptanceCheck(operator, address(0), to, ids, amounts, data);
}
/**
* @dev Destroys `amount` tokens of token type `id` from `from`
*
* Emits a {TransferSingle} event.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `from` must have at least `amount` tokens of token type `id`.
*/
function _burn(
address from,
uint256 id,
uint256 amount
) internal virtual {
require(from != address(0), "ERC1155: burn from the zero address");
address operator = _msgSender();
uint256[] memory ids = _asSingletonArray(id);
uint256[] memory amounts = _asSingletonArray(amount);
_beforeTokenTransfer(operator, from, address(0), ids, amounts, "");
uint256 fromBalance = _balances[id][from];
require(fromBalance >= amount, "ERC1155: burn amount exceeds balance");
unchecked {
_balances[id][from] = fromBalance - amount;
}
emit TransferSingle(operator, from, address(0), id, amount);
_afterTokenTransfer(operator, from, address(0), ids, amounts, "");
}
/**
* @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_burn}.
*
* Emits a {TransferBatch} event.
*
* Requirements:
*
* - `ids` and `amounts` must have the same length.
*/
function _burnBatch(
address from,
uint256[] memory ids,
uint256[] memory amounts
) internal virtual {
require(from != address(0), "ERC1155: burn from the zero address");
require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
address operator = _msgSender();
_beforeTokenTransfer(operator, from, address(0), ids, amounts, "");
for (uint256 i = 0; i < ids.length; i++) {
uint256 id = ids[i];
uint256 amount = amounts[i];
uint256 fromBalance = _balances[id][from];
require(fromBalance >= amount, "ERC1155: burn amount exceeds balance");
unchecked {
_balances[id][from] = fromBalance - amount;
}
}
emit TransferBatch(operator, from, address(0), ids, amounts);
_afterTokenTransfer(operator, from, address(0), ids, amounts, "");
}
/**
* @dev Approve `operator` to operate on all of `owner` tokens
*
* Emits an {ApprovalForAll} event.
*/
function _setApprovalForAll(
address owner,
address operator,
bool approved
) internal virtual {
require(owner != operator, "ERC1155: setting approval status for self");
_operatorApprovals[owner][operator] = approved;
emit ApprovalForAll(owner, operator, approved);
}
/**
* @dev Hook that is called before any token transfer. This includes minting
* and burning, as well as batched variants.
*
* The same hook is called on both single and batched variants. For single
* transfers, the length of the `ids` and `amounts` arrays will be 1.
*
* Calling conditions (for each `id` and `amount` pair):
*
* - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* of token type `id` will be transferred to `to`.
* - When `from` is zero, `amount` tokens of token type `id` will be minted
* for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens of token type `id`
* will be burned.
* - `from` and `to` are never both zero.
* - `ids` and `amounts` have the same, non-zero length.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(
address operator,
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal virtual {}
/**
* @dev Hook that is called after any token transfer. This includes minting
* and burning, as well as batched variants.
*
* The same hook is called on both single and batched variants. For single
* transfers, the length of the `id` and `amount` arrays will be 1.
*
* Calling conditions (for each `id` and `amount` pair):
*
* - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* of token type `id` will be transferred to `to`.
* - When `from` is zero, `amount` tokens of token type `id` will be minted
* for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens of token type `id`
* will be burned.
* - `from` and `to` are never both zero.
* - `ids` and `amounts` have the same, non-zero length.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _afterTokenTransfer(
address operator,
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal virtual {}
function _doSafeTransferAcceptanceCheck(
address operator,
address from,
address to,
uint256 id,
uint256 amount,
bytes memory data
) private {
if (to.isContract()) {
try IERC1155Receiver(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 response) {
if (response != IERC1155Receiver.onERC1155Received.selector) {
revert("ERC1155: ERC1155Receiver rejected tokens");
}
} catch Error(string memory reason) {
revert(reason);
} catch {
revert("ERC1155: transfer to non-ERC1155Receiver implementer");
}
}
}
function _doSafeBatchTransferAcceptanceCheck(
address operator,
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) private {
if (to.isContract()) {
try IERC1155Receiver(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns (
bytes4 response
) {
if (response != IERC1155Receiver.onERC1155BatchReceived.selector) {
revert("ERC1155: ERC1155Receiver rejected tokens");
}
} catch Error(string memory reason) {
revert(reason);
} catch {
revert("ERC1155: transfer to non-ERC1155Receiver implementer");
}
}
}
function _asSingletonArray(uint256 element) private pure returns (uint256[] memory) {
uint256[] memory array = new uint256[](1);
array[0] = element;
return array;
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/math/Math.sol)
pragma solidity ^0.8.0;
/**
* @dev Standard math utilities missing in the Solidity language.
*/
library Math {
enum Rounding {
Down, // Toward negative infinity
Up, // Toward infinity
Zero // Toward zero
}
/**
* @dev Returns the largest of two numbers.
*/
function max(uint256 a, uint256 b) internal pure returns (uint256) {
return a > b ? a : b;
}
/**
* @dev Returns the smallest of two numbers.
*/
function min(uint256 a, uint256 b) internal pure returns (uint256) {
return a < b ? a : b;
}
/**
* @dev Returns the average of two numbers. The result is rounded towards
* zero.
*/
function average(uint256 a, uint256 b) internal pure returns (uint256) {
// (a + b) / 2 can overflow.
return (a & b) + (a ^ b) / 2;
}
/**
* @dev Returns the ceiling of the division of two numbers.
*
* This differs from standard division with `/` in that it rounds up instead
* of rounding down.
*/
function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
// (a + b - 1) / b can overflow on addition, so we distribute.
return a == 0 ? 0 : (a - 1) / b + 1;
}
/**
* @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
* @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
* with further edits by Uniswap Labs also under MIT license.
*/
function mulDiv(
uint256 x,
uint256 y,
uint256 denominator
) internal pure returns (uint256 result) {
unchecked {
// 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
// use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
// variables such that product = prod1 * 2^256 + prod0.
uint256 prod0; // Least significant 256 bits of the product
uint256 prod1; // Most significant 256 bits of the product
assembly {
let mm := mulmod(x, y, not(0))
prod0 := mul(x, y)
prod1 := sub(sub(mm, prod0), lt(mm, prod0))
}
// Handle non-overflow cases, 256 by 256 division.
if (prod1 == 0) {
return prod0 / denominator;
}
// Make sure the result is less than 2^256. Also prevents denominator == 0.
require(denominator > prod1);
///////////////////////////////////////////////
// 512 by 256 division.
///////////////////////////////////////////////
// Make division exact by subtracting the remainder from [prod1 prod0].
uint256 remainder;
assembly {
// Compute remainder using mulmod.
remainder := mulmod(x, y, denominator)
// Subtract 256 bit number from 512 bit number.
prod1 := sub(prod1, gt(remainder, prod0))
prod0 := sub(prod0, remainder)
}
// Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
// See https://cs.stackexchange.com/q/138556/92363.
// Does not overflow because the denominator cannot be zero at this stage in the function.
uint256 twos = denominator & (~denominator + 1);
assembly {
// Divide denominator by twos.
denominator := div(denominator, twos)
// Divide [prod1 prod0] by twos.
prod0 := div(prod0, twos)
// Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
twos := add(div(sub(0, twos), twos), 1)
}
// Shift in bits from prod1 into prod0.
prod0 |= prod1 * twos;
// Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
// that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
// four bits. That is, denominator * inv = 1 mod 2^4.
uint256 inverse = (3 * denominator) ^ 2;
// Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
// in modular arithmetic, doubling the correct bits in each step.
inverse *= 2 - denominator * inverse; // inverse mod 2^8
inverse *= 2 - denominator * inverse; // inverse mod 2^16
inverse *= 2 - denominator * inverse; // inverse mod 2^32
inverse *= 2 - denominator * inverse; // inverse mod 2^64
inverse *= 2 - denominator * inverse; // inverse mod 2^128
inverse *= 2 - denominator * inverse; // inverse mod 2^256
// Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
// This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
// less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
// is no longer required.
result = prod0 * inverse;
return result;
}
}
/**
* @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
*/
function mulDiv(
uint256 x,
uint256 y,
uint256 denominator,
Rounding rounding
) internal pure returns (uint256) {
uint256 result = mulDiv(x, y, denominator);
if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
result += 1;
}
return result;
}
/**
* @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
*
* Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
*/
function sqrt(uint256 a) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
// For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
//
// We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
// `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
//
// This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
// → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
// → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
//
// Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
uint256 result = 1 << (log2(a) >> 1);
// At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
// since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
// every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
// into the expected uint128 result.
unchecked {
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
return min(result, a / result);
}
}
/**
* @notice Calculates sqrt(a), following the selected rounding direction.
*/
function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = sqrt(a);
return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
}
}
/**
* @dev Return the log in base 2, rounded down, of a positive value.
* Returns 0 if given 0.
*/
function log2(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >> 128 > 0) {
value >>= 128;
result += 128;
}
if (value >> 64 > 0) {
value >>= 64;
result += 64;
}
if (value >> 32 > 0) {
value >>= 32;
result += 32;
}
if (value >> 16 > 0) {
value >>= 16;
result += 16;
}
if (value >> 8 > 0) {
value >>= 8;
result += 8;
}
if (value >> 4 > 0) {
value >>= 4;
result += 4;
}
if (value >> 2 > 0) {
value >>= 2;
result += 2;
}
if (value >> 1 > 0) {
result += 1;
}
}
return result;
}
/**
* @dev Return the log in base 2, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log2(value);
return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
}
}
/**
* @dev Return the log in base 10, rounded down, of a positive value.
* Returns 0 if given 0.
*/
function log10(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >= 10**64) {
value /= 10**64;
result += 64;
}
if (value >= 10**32) {
value /= 10**32;
result += 32;
}
if (value >= 10**16) {
value /= 10**16;
result += 16;
}
if (value >= 10**8) {
value /= 10**8;
result += 8;
}
if (value >= 10**4) {
value /= 10**4;
result += 4;
}
if (value >= 10**2) {
value /= 10**2;
result += 2;
}
if (value >= 10**1) {
result += 1;
}
}
return result;
}
/**
* @dev Return the log in base 10, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log10(value);
return result + (rounding == Rounding.Up && 10**result < value ? 1 : 0);
}
}
/**
* @dev Return the log in base 256, rounded down, of a positive value.
* Returns 0 if given 0.
*
* Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
*/
function log256(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >> 128 > 0) {
value >>= 128;
result += 16;
}
if (value >> 64 > 0) {
value >>= 64;
result += 8;
}
if (value >> 32 > 0) {
value >>= 32;
result += 4;
}
if (value >> 16 > 0) {
value >>= 16;
result += 2;
}
if (value >> 8 > 0) {
result += 1;
}
}
return result;
}
/**
* @dev Return the log in base 10, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log256(value);
return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0);
}
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)
pragma solidity ^0.8.0;
import "./IERC165.sol";
/**
* @dev Implementation of the {IERC165} interface.
*
* Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
* for the additional interface id that will be supported. For example:
*
* ```solidity
* function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
* return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
* }
* ```
*
* Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
*/
abstract contract ERC165 is IERC165 {
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IERC165).interfaceId;
}
}
// 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;
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)
pragma solidity ^0.8.1;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*
* [IMPORTANT]
* ====
* You shouldn't rely on `isContract` to protect against flash loan attacks!
*
* Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
* like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
* constructor.
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize/address.code.length, which returns 0
// for contracts in construction, since the code is only stored at the end
// of the constructor execution.
return account.code.length > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
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");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain `call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
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");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
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");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
* the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
*
* _Available since v4.8._
*/
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata,
string memory errorMessage
) internal view returns (bytes memory) {
if (success) {
if (returndata.length == 0) {
// only check isContract if the call was successful and the return data is empty
// otherwise we already know that it was a contract
require(isContract(target), "Address: call to non-contract");
}
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
/**
* @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason or using the provided one.
*
* _Available since v4.3._
*/
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
function _revert(bytes memory returndata, string memory errorMessage) private pure {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
/// @solidity memory-safe-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC1155/extensions/IERC1155MetadataURI.sol)
pragma solidity ^0.8.0;
import "../IERC1155.sol";
/**
* @dev Interface of the optional ERC1155MetadataExtension interface, as defined
* in the https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[EIP].
*
* _Available since v3.1._
*/
interface IERC1155MetadataURI is IERC1155 {
/**
* @dev Returns the URI for token type `id`.
*
* If the `\{id\}` substring is present in the URI, it must be replaced by
* clients with the actual token type ID.
*/
function uri(uint256 id) external view returns (string memory);
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol)
pragma solidity ^0.8.0;
import "../../utils/introspection/IERC165.sol";
/**
* @dev _Available since v3.1._
*/
interface IERC1155Receiver is IERC165 {
/**
* @dev Handles the receipt of a single ERC1155 token type. This function is
* called at the end of a `safeTransferFrom` after the balance has been updated.
*
* NOTE: To accept the transfer, this must return
* `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))`
* (i.e. 0xf23a6e61, or its own function selector).
*
* @param operator The address which initiated the transfer (i.e. msg.sender)
* @param from The address which previously owned the token
* @param id The ID of the token being transferred
* @param value The amount of tokens being transferred
* @param data Additional data with no specified format
* @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed
*/
function onERC1155Received(
address operator,
address from,
uint256 id,
uint256 value,
bytes calldata data
) external returns (bytes4);
/**
* @dev Handles the receipt of a multiple ERC1155 token types. This function
* is called at the end of a `safeBatchTransferFrom` after the balances have
* been updated.
*
* NOTE: To accept the transfer(s), this must return
* `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))`
* (i.e. 0xbc197c81, or its own function selector).
*
* @param operator The address which initiated the batch transfer (i.e. msg.sender)
* @param from The address which previously owned the token
* @param ids An array containing ids of each token being transferred (order and length must match values array)
* @param values An array containing amounts of each token being transferred (order and length must match ids array)
* @param data Additional data with no specified format
* @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed
*/
function onERC1155BatchReceived(
address operator,
address from,
uint256[] calldata ids,
uint256[] calldata values,
bytes calldata data
) external returns (bytes4);
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/IERC1155.sol)
pragma solidity ^0.8.0;
import "../../utils/introspection/IERC165.sol";
/**
* @dev Required interface of an ERC1155 compliant contract, as defined in the
* https://eips.ethereum.org/EIPS/eip-1155[EIP].
*
* _Available since v3.1._
*/
interface IERC1155 is IERC165 {
/**
* @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.
*/
event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);
/**
* @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all
* transfers.
*/
event TransferBatch(
address indexed operator,
address indexed from,
address indexed to,
uint256[] ids,
uint256[] values
);
/**
* @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to
* `approved`.
*/
event ApprovalForAll(address indexed account, address indexed operator, bool approved);
/**
* @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.
*
* If an {URI} event was emitted for `id`, the standard
* https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value
* returned by {IERC1155MetadataURI-uri}.
*/
event URI(string value, uint256 indexed id);
/**
* @dev Returns the amount of tokens of token type `id` owned by `account`.
*
* Requirements:
*
* - `account` cannot be the zero address.
*/
function balanceOf(address account, uint256 id) external view returns (uint256);
/**
* @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.
*
* Requirements:
*
* - `accounts` and `ids` must have the same length.
*/
function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)
external
view
returns (uint256[] memory);
/**
* @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,
*
* Emits an {ApprovalForAll} event.
*
* Requirements:
*
* - `operator` cannot be the caller.
*/
function setApprovalForAll(address operator, bool approved) external;
/**
* @dev Returns true if `operator` is approved to transfer ``account``'s tokens.
*
* See {setApprovalForAll}.
*/
function isApprovedForAll(address account, address operator) external view returns (bool);
/**
* @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
*
* Emits a {TransferSingle} event.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - If the caller is not `from`, it must have been approved to spend ``from``'s tokens via {setApprovalForAll}.
* - `from` must have a balance of tokens of type `id` of at least `amount`.
* - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
* acceptance magic value.
*/
function safeTransferFrom(
address from,
address to,
uint256 id,
uint256 amount,
bytes calldata data
) external;
/**
* @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.
*
* Emits a {TransferBatch} event.
*
* Requirements:
*
* - `ids` and `amounts` must have the same length.
* - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
* acceptance magic value.
*/
function safeBatchTransferFrom(
address from,
address to,
uint256[] calldata ids,
uint256[] calldata amounts,
bytes calldata data
) external;
}
// 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);
}