// File: @openzeppelin/contracts/utils/Strings.sol
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol)
pragma solidity ^0.8.0;
/**
* @dev String operations.
*/
library Strings {
bytes16 private constant _HEX_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) {
// Inspired by OraclizeAPI's implementation - MIT licence
// https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol
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);
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
*/
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);
}
/**
* @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] = _HEX_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);
}
}
// File: @openzeppelin/contracts/utils/cryptography/ECDSA.sol
// OpenZeppelin Contracts (last updated v4.7.0) (utils/cryptography/ECDSA.sol)
pragma solidity ^0.8.0;
/**
* @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
*
* These functions can be used to verify that a message was signed by the holder
* of the private keys of a given address.
*/
library ECDSA {
enum RecoverError {
NoError,
InvalidSignature,
InvalidSignatureLength,
InvalidSignatureS,
InvalidSignatureV
}
function _throwError(RecoverError error) private pure {
if (error == RecoverError.NoError) {
return; // no error: do nothing
} else if (error == RecoverError.InvalidSignature) {
revert("ECDSA: invalid signature");
} else if (error == RecoverError.InvalidSignatureLength) {
revert("ECDSA: invalid signature length");
} else if (error == RecoverError.InvalidSignatureS) {
revert("ECDSA: invalid signature 's' value");
} else if (error == RecoverError.InvalidSignatureV) {
revert("ECDSA: invalid signature 'v' value");
}
}
/**
* @dev Returns the address that signed a hashed message (`hash`) with
* `signature` or error string. This address can then be used for verification purposes.
*
* The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
* this function rejects them by requiring the `s` value to be in the lower
* half order, and the `v` value to be either 27 or 28.
*
* IMPORTANT: `hash` _must_ be the result of a hash operation for the
* verification to be secure: it is possible to craft signatures that
* recover to arbitrary addresses for non-hashed data. A safe way to ensure
* this is by receiving a hash of the original message (which may otherwise
* be too long), and then calling {toEthSignedMessageHash} on it.
*
* Documentation for signature generation:
* - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
* - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
*
* _Available since v4.3._
*/
function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
// Check the signature length
// - case 65: r,s,v signature (standard)
// - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) _Available since v4.1._
if (signature.length == 65) {
bytes32 r;
bytes32 s;
uint8 v;
// ecrecover takes the signature parameters, and the only way to get them
// currently is to use assembly.
/// @solidity memory-safe-assembly
assembly {
r := mload(add(signature, 0x20))
s := mload(add(signature, 0x40))
v := byte(0, mload(add(signature, 0x60)))
}
return tryRecover(hash, v, r, s);
} else if (signature.length == 64) {
bytes32 r;
bytes32 vs;
// ecrecover takes the signature parameters, and the only way to get them
// currently is to use assembly.
/// @solidity memory-safe-assembly
assembly {
r := mload(add(signature, 0x20))
vs := mload(add(signature, 0x40))
}
return tryRecover(hash, r, vs);
} else {
return (address(0), RecoverError.InvalidSignatureLength);
}
}
/**
* @dev Returns the address that signed a hashed message (`hash`) with
* `signature`. This address can then be used for verification purposes.
*
* The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
* this function rejects them by requiring the `s` value to be in the lower
* half order, and the `v` value to be either 27 or 28.
*
* IMPORTANT: `hash` _must_ be the result of a hash operation for the
* verification to be secure: it is possible to craft signatures that
* recover to arbitrary addresses for non-hashed data. A safe way to ensure
* this is by receiving a hash of the original message (which may otherwise
* be too long), and then calling {toEthSignedMessageHash} on it.
*/
function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
(address recovered, RecoverError error) = tryRecover(hash, signature);
_throwError(error);
return recovered;
}
/**
* @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
*
* See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
*
* _Available since v4.3._
*/
function tryRecover(
bytes32 hash,
bytes32 r,
bytes32 vs
) internal pure returns (address, RecoverError) {
bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
uint8 v = uint8((uint256(vs) >> 255) + 27);
return tryRecover(hash, v, r, s);
}
/**
* @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
*
* _Available since v4.2._
*/
function recover(
bytes32 hash,
bytes32 r,
bytes32 vs
) internal pure returns (address) {
(address recovered, RecoverError error) = tryRecover(hash, r, vs);
_throwError(error);
return recovered;
}
/**
* @dev Overload of {ECDSA-tryRecover} that receives the `v`,
* `r` and `s` signature fields separately.
*
* _Available since v4.3._
*/
function tryRecover(
bytes32 hash,
uint8 v,
bytes32 r,
bytes32 s
) internal pure returns (address, RecoverError) {
// EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
// unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
// the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
// signatures from current libraries generate a unique signature with an s-value in the lower half order.
//
// If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
// with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
// vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
// these malleable signatures as well.
if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
return (address(0), RecoverError.InvalidSignatureS);
}
if (v != 27 && v != 28) {
return (address(0), RecoverError.InvalidSignatureV);
}
// If the signature is valid (and not malleable), return the signer address
address signer = ecrecover(hash, v, r, s);
if (signer == address(0)) {
return (address(0), RecoverError.InvalidSignature);
}
return (signer, RecoverError.NoError);
}
/**
* @dev Overload of {ECDSA-recover} that receives the `v`,
* `r` and `s` signature fields separately.
*/
function recover(
bytes32 hash,
uint8 v,
bytes32 r,
bytes32 s
) internal pure returns (address) {
(address recovered, RecoverError error) = tryRecover(hash, v, r, s);
_throwError(error);
return recovered;
}
/**
* @dev Returns an Ethereum Signed Message, created from a `hash`. This
* produces hash corresponding to the one signed with the
* https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
* JSON-RPC method as part of EIP-191.
*
* See {recover}.
*/
function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
// 32 is the length in bytes of hash,
// enforced by the type signature above
return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
}
/**
* @dev Returns an Ethereum Signed Message, created from `s`. This
* produces hash corresponding to the one signed with the
* https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
* JSON-RPC method as part of EIP-191.
*
* See {recover}.
*/
function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s));
}
/**
* @dev Returns an Ethereum Signed Typed Data, created from a
* `domainSeparator` and a `structHash`. This produces hash corresponding
* to the one signed with the
* https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
* JSON-RPC method as part of EIP-712.
*
* See {recover}.
*/
function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
}
}
// File: @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol)
pragma solidity ^0.8.0;
/**
* @title ERC721 token receiver interface
* @dev Interface for any contract that wants to support safeTransfers
* from ERC721 asset contracts.
*/
interface IERC721Receiver {
/**
* @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
* by `operator` from `from`, this function is called.
*
* It must return its Solidity selector to confirm the token transfer.
* If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
*
* The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`.
*/
function onERC721Received(
address operator,
address from,
uint256 tokenId,
bytes calldata data
) external returns (bytes4);
}
// File: @openzeppelin/contracts/token/ERC721/utils/ERC721Holder.sol
// OpenZeppelin Contracts v4.4.1 (token/ERC721/utils/ERC721Holder.sol)
pragma solidity ^0.8.0;
/**
* @dev Implementation of the {IERC721Receiver} interface.
*
* Accepts all token transfers.
* Make sure the contract is able to use its token with {IERC721-safeTransferFrom}, {IERC721-approve} or {IERC721-setApprovalForAll}.
*/
contract ERC721Holder is IERC721Receiver {
/**
* @dev See {IERC721Receiver-onERC721Received}.
*
* Always returns `IERC721Receiver.onERC721Received.selector`.
*/
function onERC721Received(
address,
address,
uint256,
bytes memory
) public virtual override returns (bytes4) {
return this.onERC721Received.selector;
}
}
// File: @openzeppelin/contracts/security/ReentrancyGuard.sol
// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)
pragma solidity ^0.8.0;
/**
* @dev Contract module that helps prevent reentrant calls to a function.
*
* Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
* available, which can be applied to functions to make sure there are no nested
* (reentrant) calls to them.
*
* Note that because there is a single `nonReentrant` guard, functions marked as
* `nonReentrant` may not call one another. This can be worked around by making
* those functions `private`, and then adding `external` `nonReentrant` entry
* points to them.
*
* TIP: If you would like to learn more about reentrancy and alternative ways
* to protect against it, check out our blog post
* https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
*/
abstract contract ReentrancyGuard {
// Booleans are more expensive than uint256 or any type that takes up a full
// word because each write operation emits an extra SLOAD to first read the
// slot's contents, replace the bits taken up by the boolean, and then write
// back. This is the compiler's defense against contract upgrades and
// pointer aliasing, and it cannot be disabled.
// The values being non-zero value makes deployment a bit more expensive,
// but in exchange the refund on every call to nonReentrant will be lower in
// amount. Since refunds are capped to a percentage of the total
// transaction's gas, it is best to keep them low in cases like this one, to
// increase the likelihood of the full refund coming into effect.
uint256 private constant _NOT_ENTERED = 1;
uint256 private constant _ENTERED = 2;
uint256 private _status;
constructor() {
_status = _NOT_ENTERED;
}
/**
* @dev Prevents a contract from calling itself, directly or indirectly.
* Calling a `nonReentrant` function from another `nonReentrant`
* function is not supported. It is possible to prevent this from happening
* by making the `nonReentrant` function external, and making it call a
* `private` function that does the actual work.
*/
modifier nonReentrant() {
// On the first call to nonReentrant, _notEntered will be true
require(_status != _ENTERED, "ReentrancyGuard: reentrant call");
// Any calls to nonReentrant after this point will fail
_status = _ENTERED;
_;
// By storing the original value once again, a refund is triggered (see
// https://eips.ethereum.org/EIPS/eip-2200)
_status = _NOT_ENTERED;
}
}
// File: @openzeppelin/contracts/utils/Context.sol
// 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;
}
}
// File: @openzeppelin/contracts/access/Ownable.sol
// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)
pragma solidity ^0.8.0;
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
_transferOwnership(_msgSender());
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
// File: contracts/DI.sol
pragma solidity ^0.8.4;
contract Divergents {
function totalSupply() public view returns (uint256) {}
function saleMint (uint[10] calldata mintList) public payable {}
function charactersRemaining() public view returns (uint16[10] memory) {}
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) public {
safeTransferFrom(from, to, tokenId);
}
}
contract DI is ERC721Holder, Ownable, ReentrancyGuard {
address public divergentContractAddress; //
mapping(address => bool) public approvedTeamMinters; // Approved Minters
uint public discountedMintPrice = 50000000 gwei;
uint public mintPrice = 70000000 gwei;
uint public mainContractPrice = 100000000 gwei;
uint public paymentGasLimit = 5000;
//Tracked Variables
bool public isPublicSaleOpen;
bool public isWhitelistSaleOpen;
// Key contract functions
function setIsSaleOpen(bool _publicStatus, bool _whitelistStatus) external {
require(approvedTeamMinters[msg.sender], "Requester not approved");
isPublicSaleOpen = _publicStatus;
isWhitelistSaleOpen = _whitelistStatus;
}
function setMintPrice (uint _mintPriceInWei) external {
require(approvedTeamMinters[msg.sender], "Requester not approved");
mintPrice = _mintPriceInWei;
}
function setDiscountedMintPrice (uint _discMintPriceInWei) external {
require(approvedTeamMinters[msg.sender], "Requester not approved");
discountedMintPrice = _discMintPriceInWei;
}
function setMainContractPrice (uint _mainContractPriceInWei) external onlyOwner {
mainContractPrice = _mainContractPriceInWei;
}
// Add address to approved team minters
function addToApprovedTeamMinters(address[] memory _add) external onlyOwner {
for (uint i = 0; i < _add.length; i++) {
approvedTeamMinters[_add[i]] = true;
}
}
// Set divergents contract address
function setDivergentContractAddress(address _contractAddress) external onlyOwner {
divergentContractAddress = _contractAddress;
}
// Fund this contract to make calls to the divergent contract
function fundContract() external payable {}
// Receive funds into the wallet
receive() external payable { }
// Get balance held in this contract
function getBalance() external view returns (uint) {
return address(this).balance;
}
// Withdraw specific amount from the balance held in this contract
function withdrawBalance(uint _amount, address _recipient) external onlyOwner nonReentrant {
require(_amount <= address(this).balance, "Withdrawal amount more than balance in contract");
_recipient.call{ value:_amount, gas: 5000 }("");
}
// Helper functions
// Standalone function to get characters remaining
function charactersRemaining() public view returns (uint16[10] memory divergentCharacters) {
Divergents divergent = Divergents(divergentContractAddress);
return divergent.charactersRemaining();
}
// Standalone function to get totalSupply
function totalSupply() public view returns (uint totalRemaining) {
Divergents divergent = Divergents(divergentContractAddress);
return divergent.totalSupply();
}
// Sum of arrays
function _sumOfArray (uint[10] memory array) internal pure returns (uint sum) {
for(uint i = 0; i < array.length; i++) {
sum = sum + array[i];
}
}
// Standalone transfer function any token held by the contract to another recipient
function _transferToken(uint _tokenID, address _recipient) internal {
Divergents divergent = Divergents(divergentContractAddress);
divergent.safeTransferFrom(address(this), _recipient, _tokenID);
}
// Mint call function to be used
function _mintCall(uint[10] memory _mintList, address _recipient) internal {
Divergents divergent = Divergents(divergentContractAddress);
uint _originalTotalMinted = divergent.totalSupply();
uint _totalBeingMinted = _sumOfArray(_mintList);
uint _priceToPay = mainContractPrice * _totalBeingMinted;
divergent.saleMint{value: _priceToPay}(_mintList);
uint _newTotalMinted = divergent.totalSupply();
for (uint m = _originalTotalMinted; m < _newTotalMinted; m++) {
divergent.safeTransferFrom(address(this), _recipient, m);
}
}
// Safety hatch to withdraw any NFTs stuck in this contract
function transferUntransferredToken(uint[] calldata _tokenIDs, address _recipient) external {
require(approvedTeamMinters[msg.sender], "Minter not approved");
for (uint i; i < _tokenIDs.length; i++) {
_transferToken (_tokenIDs[i], _recipient);
}
}
// Mint event - tracking total minted and price
event TotalMinted (uint totalCharactersMinted, uint pricePaid);
// Minting functions
// Minting NFTs for team
function teamMint(uint[10] memory _mintList) public {
require(approvedTeamMinters[msg.sender], "Minter not approved");
for (uint256 i; i < 10; i++) {
if (_mintList[i] != 0 ) {
uint256[10] memory _mintRound;
_mintRound[i] = uint256(_mintList[i]);
_mintCall(_mintRound, msg.sender);
}
}
}
// Mint event - tracking total minted and price
event AnyGiveawaysFailed (address[] addressesDidNotReceive);
// Minting NFTs for giveaways
function giveawayMint(address[] calldata _winners) external {
require(approvedTeamMinters[msg.sender], "Minter not approved");
Divergents divergent = Divergents(divergentContractAddress);
uint16[10] memory charactersRemaining = divergent.charactersRemaining();
address[] memory giveawayFailedAddresses;
for (uint w = 0; w < _winners.length; w++) {
uint[10] memory _mintCharacters;
bytes32 newRandomSelection = keccak256(abi.encodePacked(block.difficulty, block.coinbase, w));
uint pickCharacter = uint(newRandomSelection)%10;
if(charactersRemaining[pickCharacter] > 1) {
_mintCharacters[pickCharacter] = 1;
_mintCall(_mintCharacters, _winners[w]);
charactersRemaining[pickCharacter] = charactersRemaining[pickCharacter] - 1;
} else {
giveawayFailedAddresses[w] = (_winners[w]);
}
}
emit AnyGiveawaysFailed(giveawayFailedAddresses);
}
// Minting NFTs for public sale
function saleMint (uint[10] calldata _mintList, bool _approved) public payable nonReentrant {
require(isPublicSaleOpen, "Public sale not open");
uint _totalToBeMinted = _sumOfArray(_mintList);
uint _mintPriceToCharge;
if (!_approved && isWhitelistSaleOpen) {
_mintPriceToCharge = mintPrice;
} else {
_mintPriceToCharge = discountedMintPrice;
}
uint _mintTotalValue = _mintPriceToCharge * _totalToBeMinted;
require(msg.value >= _mintTotalValue, "Insufficient Payment Received");
uint _originalSupply = totalSupply();
if (_totalToBeMinted <= 10) {
_mintCall(_mintList, msg.sender);
} else {
for (uint i; i < 10; i++) {
if(_mintList[i] != 0) {
uint[10] memory _mintRound;
_mintRound[i] = uint256(_mintList[i]);
_mintCall(_mintRound, msg.sender);
}
}
}
uint _netNewSupply = totalSupply() - _originalSupply;
if (_netNewSupply < _totalToBeMinted) {
uint returnValue = (_totalToBeMinted - _netNewSupply) * _mintPriceToCharge;
(bool returnSuccess, ) = msg.sender.call{ value:returnValue, gas: paymentGasLimit }("");
require(returnSuccess, "Return payment failed");
emit TotalMinted(_netNewSupply, _mintPriceToCharge);
} else {
emit TotalMinted(_netNewSupply, _mintPriceToCharge);
}
}
// Everything specific to free mints
mapping(address => uint) public approvedFreeMints; // Approved Free Mint Recipients
//Add to approved free minters
function addRecipients(address[] calldata _recipients, uint[] calldata _amount) external {
require(approvedTeamMinters[msg.sender], "Address not approved");
for (uint r ; r < _recipients.length; r++) {
approvedFreeMints[_recipients[r]] = _amount[r];
}
}
function freeMint() external nonReentrant {
require(approvedFreeMints[msg.sender] > 0, "No free mints for this addr");
uint _availableToMint;
if(approvedFreeMints[msg.sender] <= 10) {
_availableToMint = approvedFreeMints[msg.sender];
} else {
_availableToMint = 10;
}
uint _originalSupply = totalSupply();
uint[10] memory _mintCharacters;
for (uint i; i < _availableToMint; i++ ) {
bytes32 newRandomSelection = keccak256(abi.encodePacked(block.difficulty, block.coinbase, i));
uint pickCharacter = uint(newRandomSelection)%10;
_mintCharacters[pickCharacter] = _mintCharacters[pickCharacter] + 1;
}
_mintCall(_mintCharacters, msg.sender);
uint _newSupply = totalSupply();
uint _netNewSupply = _newSupply - _originalSupply;
approvedFreeMints[msg.sender] = approvedFreeMints[msg.sender] - _netNewSupply;
}
}
{
"compilationTarget": {
"DI.sol": "DI"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}
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me":"teamMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"totalRemaining","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"_tokenIDs","type":"uint256[]"},{"internalType":"address","name":"_recipient","type":"address"}],"name":"transferUntransferredToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"_recipient","type":"address"}],"name":"withdrawBalance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]