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Contract Source Code Verified (Exact Match)
Contract Name:
ERC721Drop
Compiler Version
v0.8.10+commit.fc410830
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;
/**
) ( ( ( (
( /( ( )\ )\ ( )\ )\
( )\()))\ ((_)((_)` ) )\ ((_)((_)
)\ ((_)\((_) _ _ /(/( ((_) _ _
((_)| |(_)(_)| | | |((_)_\ (_)| | | |
/ _| | ' \ | || | | || '_ \)| || | | |
\__| |_||_||_||_| |_|| .__/ |_||_| |_|
|_|
*/
import {ERC721AUpgradeable} from "erc721a-upgradeable/ERC721AUpgradeable.sol";
import {IERC721AUpgradeable} from "erc721a-upgradeable/IERC721AUpgradeable.sol";
import {IERC2981Upgradeable, IERC165Upgradeable} from "@openzeppelin/contracts-upgradeable/interfaces/IERC2981Upgradeable.sol";
import {AccessControlUpgradeable} from "@openzeppelin/contracts-upgradeable/access/AccessControlUpgradeable.sol";
import {ReentrancyGuardUpgradeable} from "@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol";
import {MerkleProofUpgradeable} from "@openzeppelin/contracts-upgradeable/utils/cryptography/MerkleProofUpgradeable.sol";
import {IERC20Upgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol";
import {IMetadataRenderer} from "./interfaces/IMetadataRenderer.sol";
import {IERC721Drop} from "./interfaces/IERC721Drop.sol";
import {IOwnable} from "./interfaces/IOwnable.sol";
import {OwnableSkeleton} from "./utils/OwnableSkeleton.sol";
import {FundsReceiver} from "./utils/FundsReceiver.sol";
import {Version} from "./utils/Version.sol";
import {ERC721DropStorageV1} from "./storage/ERC721DropStorageV1.sol";
/**
* @notice ZORA NFT Base contract for Drops and Editions
*
* @dev For drops: assumes 1. linear mint order, 2. max number of mints needs to be less than max_uint64
* (if you have more than 18 quintillion linear mints you should probably not be using this contract)
* @author [email protected] (modified by sw33ts.eth)
*
*/
contract ERC721Drop is
ERC721AUpgradeable,
IERC2981Upgradeable,
ReentrancyGuardUpgradeable,
AccessControlUpgradeable,
IERC721Drop,
OwnableSkeleton,
FundsReceiver,
Version(8),
ERC721DropStorageV1
{
/// @dev This is the max mint batch size for the optimized ERC721A mint contract
uint256 internal constant MAX_MINT_BATCH_SIZE = 8;
/// @dev Gas limit to send funds
uint256 internal constant FUNDS_SEND_GAS_LIMIT = 210_000;
/// @notice Access control roles
bytes32 public immutable MINTER_ROLE = keccak256("MINTER");
bytes32 public immutable SALES_MANAGER_ROLE = keccak256("SALES_MANAGER");
/// @dev ZORA V3 transfer helper address for auto-approval
address internal immutable zoraERC721TransferHelper;
/// @notice Max royalty BPS
uint16 constant MAX_ROYALTY_BPS = 50_00;
/// @notice Only allow for users with admin access
modifier onlyAdmin() {
if (!hasRole(DEFAULT_ADMIN_ROLE, _msgSender())) {
revert Access_OnlyAdmin();
}
_;
}
/// @notice Only a given role has access or admin
/// @param role role to check for alongside the admin role
modifier onlyRoleOrAdmin(bytes32 role) {
if (
!hasRole(DEFAULT_ADMIN_ROLE, _msgSender()) &&
!hasRole(role, _msgSender())
) {
revert Access_MissingRoleOrAdmin(role);
}
_;
}
/// @notice Allows user to mint tokens at a quantity
modifier canMintTokens(uint256 quantity) {
if (quantity + _totalMinted() > config.editionSize) {
revert Mint_SoldOut();
}
_;
}
function _presaleActive() internal view returns (bool) {
return
salesConfig.presaleStart <= block.timestamp &&
salesConfig.presaleEnd > block.timestamp;
}
function _publicSaleActive() internal view returns (bool) {
return
salesConfig.publicSaleStart <= block.timestamp &&
salesConfig.publicSaleEnd > block.timestamp;
}
/// @notice Presale active
modifier onlyPresaleActive() {
if (!_presaleActive()) {
revert Presale_Inactive();
}
_;
}
/// @notice Public sale active
modifier onlyPublicSaleActive() {
if (!_publicSaleActive()) {
revert Sale_Inactive();
}
_;
}
/// @notice Getter for last minted token ID (gets next token id and subtracts 1)
function _lastMintedTokenId() internal view returns (uint256) {
return _currentIndex - 1;
}
/// @notice Start token ID for minting (1-100 vs 0-99)
function _startTokenId() internal pure override returns (uint256) {
return 1;
}
/// @notice Global constructor – these variables will not change with further proxy deploys
/// @dev Marked as an initializer to prevent storage being used of base implementation. Can only be init'd by a proxy.
/// @param _zoraERC721TransferHelper Transfer helper
constructor(address _zoraERC721TransferHelper) initializer {
zoraERC721TransferHelper = _zoraERC721TransferHelper;
}
/// @dev Create a new drop contract
/// @param _contractName Contract name
/// @param _contractSymbol Contract symbol
/// @param _initialOwner User that owns and can mint the edition, gets royalty and sales payouts and can update the base url if needed.
/// @param _fundsRecipient Wallet/user that receives funds from sale
/// @param _editionSize Number of editions that can be minted in total. If 0, unlimited editions can be minted.
/// @param _royaltyBPS BPS of the royalty set on the contract. Can be 0 for no royalty.
/// @param _salesConfig New sales config to set upon init
/// @param _metadataRenderer Renderer contract to use
/// @param _metadataRendererInit Renderer data initial contract
function initialize(
string memory _contractName,
string memory _contractSymbol,
address _initialOwner,
address payable _fundsRecipient,
uint64 _editionSize,
uint16 _royaltyBPS,
ERC20SalesConfiguration memory _salesConfig,
IMetadataRenderer _metadataRenderer,
bytes memory _metadataRendererInit
) public initializer {
// Setup ERC721A
__ERC721A_init(_contractName, _contractSymbol);
// Setup access control
__AccessControl_init();
// Setup re-entracy guard
__ReentrancyGuard_init();
// Setup the owner role
_setupRole(DEFAULT_ADMIN_ROLE, _initialOwner);
// Set ownership to original sender of contract call
_setOwner(_initialOwner);
if (config.royaltyBPS > MAX_ROYALTY_BPS) {
revert Setup_RoyaltyPercentageTooHigh(MAX_ROYALTY_BPS);
}
// Update salesConfig
salesConfig = _salesConfig;
// Setup config variables
config.editionSize = _editionSize;
config.metadataRenderer = _metadataRenderer;
config.royaltyBPS = _royaltyBPS;
config.fundsRecipient = _fundsRecipient;
_metadataRenderer.initializeWithData(_metadataRendererInit);
}
/// @dev Getter for admin role associated with the contract to handle metadata
/// @return boolean if address is admin
function isAdmin(address user) external view returns (bool) {
return hasRole(DEFAULT_ADMIN_ROLE, user);
}
// ,-.
// `-'
// /|\
// | ,----------.
// / \ |ERC721Drop|
// Caller `----+-----'
// | burn() |
// | ------------------>
// | |
// | |----.
// | | | burn token
// | |<---'
// Caller ,----+-----.
// ,-. |ERC721Drop|
// `-' `----------'
// /|\
// |
// / \
/// @param tokenId Token ID to burn
/// @notice User burn function for token id
function burn(uint256 tokenId) public {
_burn(tokenId, true);
}
/// @dev Get royalty information for token
/// @param _salePrice Sale price for the token
function royaltyInfo(uint256, uint256 _salePrice)
external
view
override
returns (address receiver, uint256 royaltyAmount)
{
if (config.fundsRecipient == address(0)) {
return (config.fundsRecipient, 0);
}
return (
config.fundsRecipient,
(_salePrice * config.royaltyBPS) / 10_000
);
}
/// @notice Sale details
/// @return IERC721Drop.SaleDetails sale information details
function saleDetails()
external
view
returns (IERC721Drop.ERC20SaleDetails memory)
{
return
IERC721Drop.ERC20SaleDetails({
erc20PaymentToken: salesConfig.erc20PaymentToken,
publicSaleActive: _publicSaleActive(),
presaleActive: _presaleActive(),
publicSalePrice: salesConfig.publicSalePrice,
publicSaleStart: salesConfig.publicSaleStart,
publicSaleEnd: salesConfig.publicSaleEnd,
presaleStart: salesConfig.presaleStart,
presaleEnd: salesConfig.presaleEnd,
presaleMerkleRoot: salesConfig.presaleMerkleRoot,
totalMinted: _totalMinted(),
maxSupply: config.editionSize,
maxSalePurchasePerAddress: salesConfig.maxSalePurchasePerAddress
});
}
/// @dev Number of NFTs the user has minted per address
/// @param minter to get counts for
function mintedPerAddress(address minter)
external
view
override
returns (IERC721Drop.AddressMintDetails memory)
{
return
IERC721Drop.AddressMintDetails({
presaleMints: presaleMintsByAddress[minter],
publicMints: _numberMinted(minter) -
presaleMintsByAddress[minter],
totalMints: _numberMinted(minter)
});
}
/// @dev Setup auto-approval for Zora v3 access to sell NFT
/// Still requires approval for module
/// @param nftOwner owner of the nft
/// @param operator operator wishing to transfer/burn/etc the NFTs
function isApprovedForAll(address nftOwner, address operator)
public
view
override(ERC721AUpgradeable)
returns (bool)
{
if (operator == zoraERC721TransferHelper) {
return true;
}
return super.isApprovedForAll(nftOwner, operator);
}
/**
*** ---------------------------------- ***
*** ***
*** PUBLIC MINTING FUNCTIONS ***
*** ***
*** ---------------------------------- ***
***/
// ,-.
// `-'
// /|\
// | ,----------.
// / \ |ERC721Drop|
// Caller `----+-----'
// | purchase() |
// | ---------------------------->
// | |
// | |
// ___________________________________________________________
// ! ALT / drop has no tokens left for caller to mint? !
// !_____/ | | !
// ! | revert Mint_SoldOut() | !
// ! | <---------------------------- !
// !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// !~[noop]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// | |
// | |
// ___________________________________________________________
// ! ALT / public sale isn't active? | !
// !_____/ | | !
// ! | revert Sale_Inactive() | !
// ! | <---------------------------- !
// !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// !~[noop]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// | |
// | |
// ___________________________________________________________
// ! ALT / inadequate funds sent? | !
// !_____/ | | !
// ! | revert Purchase_WrongPrice()| !
// ! | <---------------------------- !
// !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// !~[noop]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// | |
// | |----.
// | | | mint tokens
// | |<---'
// | |
// | |----.
// | | | emit IERC721Drop.Sale()
// | |<---'
// | |
// | return first minted token ID|
// | <----------------------------
// Caller ,----+-----.
// ,-. |ERC721Drop|
// `-' `----------'
// /|\
// |
// / \
/**
@dev This allows the user to purchase a edition edition
at the given price in the contract.
*/
function purchase(uint256 quantity)
external
payable
nonReentrant
canMintTokens(quantity)
onlyPublicSaleActive
returns (uint256)
{
uint256 salePrice = salesConfig.publicSalePrice;
address erc20PaymentToken = salesConfig.erc20PaymentToken;
address fundsRecipient = config.fundsRecipient;
if (erc20PaymentToken == address(0)) {
if (msg.value != salePrice * quantity) {
revert Purchase_WrongPrice(salePrice * quantity);
}
} else {
IERC20Upgradeable(erc20PaymentToken).transferFrom(
msg.sender,
fundsRecipient,
salePrice * quantity
);
}
// If max purchase per address == 0 there is no limit.
// Any other number, the per address mint limit is that.
if (
salesConfig.maxSalePurchasePerAddress != 0 &&
_numberMinted(_msgSender()) +
quantity -
presaleMintsByAddress[_msgSender()] >
salesConfig.maxSalePurchasePerAddress
) {
revert Purchase_TooManyForAddress();
}
_mintNFTs(_msgSender(), quantity);
uint256 firstMintedTokenId = _lastMintedTokenId() - quantity;
emit IERC721Drop.Sale({
to: _msgSender(),
quantity: quantity,
pricePerToken: salePrice,
firstPurchasedTokenId: firstMintedTokenId
});
return firstMintedTokenId;
}
/// @notice Function to mint NFTs
/// @dev (important: Does not enforce max supply limit, enforce that limit earlier)
/// @dev This batches in size of 8 as per recommended by ERC721A creators
/// @param to address to mint NFTs to
/// @param quantity number of NFTs to mint
function _mintNFTs(address to, uint256 quantity) internal {
do {
uint256 toMint = quantity > MAX_MINT_BATCH_SIZE
? MAX_MINT_BATCH_SIZE
: quantity;
_mint({to: to, quantity: toMint});
quantity -= toMint;
} while (quantity > 0);
}
// ,-.
// `-'
// /|\
// | ,----------.
// / \ |ERC721Drop|
// Caller `----+-----'
// | purchasePresale() |
// | ---------------------------------->
// | |
// | |
// _________________________________________________________________
// ! ALT / drop has no tokens left for caller to mint? !
// !_____/ | | !
// ! | revert Mint_SoldOut() | !
// ! | <---------------------------------- !
// !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// !~[noop]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// | |
// | |
// _________________________________________________________________
// ! ALT / presale sale isn't active? | !
// !_____/ | | !
// ! | revert Presale_Inactive() | !
// ! | <---------------------------------- !
// !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// !~[noop]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// | |
// | |
// _________________________________________________________________
// ! ALT / merkle proof unapproved for caller? | !
// !_____/ | | !
// ! | revert Presale_MerkleNotApproved()| !
// ! | <---------------------------------- !
// !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// !~[noop]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// | |
// | |
// _________________________________________________________________
// ! ALT / inadequate funds sent? | !
// !_____/ | | !
// ! | revert Purchase_WrongPrice() | !
// ! | <---------------------------------- !
// !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// !~[noop]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// | |
// | |----.
// | | | mint tokens
// | |<---'
// | |
// | |----.
// | | | emit IERC721Drop.Sale()
// | |<---'
// | |
// | return first minted token ID |
// | <----------------------------------
// Caller ,----+-----.
// ,-. |ERC721Drop|
// `-' `----------'
// /|\
// |
// / \
/// @notice Merkle-tree based presale purchase function
/// @param quantity quantity to purchase
/// @param maxQuantity max quantity that can be purchased via merkle proof #
/// @param pricePerToken price that each token is purchased at
/// @param merkleProof proof for presale mint
function purchasePresale(
uint256 quantity,
uint256 maxQuantity,
uint256 pricePerToken,
bytes32[] calldata merkleProof
)
external
payable
nonReentrant
canMintTokens(quantity)
onlyPresaleActive
returns (uint256)
{
if (
!MerkleProofUpgradeable.verify(
merkleProof,
salesConfig.presaleMerkleRoot,
keccak256(
// address, uint256, uint256
abi.encode(_msgSender(), maxQuantity, pricePerToken)
)
)
) {
revert Presale_MerkleNotApproved();
}
if (msg.value != pricePerToken * quantity) {
revert Purchase_WrongPrice(pricePerToken * quantity);
}
presaleMintsByAddress[_msgSender()] += quantity;
if (presaleMintsByAddress[_msgSender()] > maxQuantity) {
revert Presale_TooManyForAddress();
}
_mintNFTs(_msgSender(), quantity);
uint256 firstMintedTokenId = _lastMintedTokenId() - quantity;
emit IERC721Drop.Sale({
to: _msgSender(),
quantity: quantity,
pricePerToken: pricePerToken,
firstPurchasedTokenId: firstMintedTokenId
});
return firstMintedTokenId;
}
/**
*** ---------------------------------- ***
*** ***
*** ADMIN MINTING FUNCTIONS ***
*** ***
*** ---------------------------------- ***
***/
// ,-.
// `-'
// /|\
// | ,----------.
// / \ |ERC721Drop|
// Caller `----+-----'
// | adminMint() |
// | ---------------------------------->
// | |
// | |
// _________________________________________________________________
// ! ALT / caller is not admin or minter role? | !
// !_____/ | | !
// ! | revert Access_MissingRoleOrAdmin()| !
// ! | <---------------------------------- !
// !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// !~[noop]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// | |
// | |
// _________________________________________________________________
// ! ALT / drop has no tokens left for caller to mint? !
// !_____/ | | !
// ! | revert Mint_SoldOut() | !
// ! | <---------------------------------- !
// !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// !~[noop]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// | |
// | |----.
// | | | mint tokens
// | |<---'
// | |
// | return last minted token ID |
// | <----------------------------------
// Caller ,----+-----.
// ,-. |ERC721Drop|
// `-' `----------'
// /|\
// |
// / \
/// @notice Mint admin
/// @param recipient recipient to mint to
/// @param quantity quantity to mint
function adminMint(address recipient, uint256 quantity)
external
onlyRoleOrAdmin(MINTER_ROLE)
canMintTokens(quantity)
returns (uint256)
{
_mintNFTs(recipient, quantity);
return _lastMintedTokenId();
}
// ,-.
// `-'
// /|\
// | ,----------.
// / \ |ERC721Drop|
// Caller `----+-----'
// | adminMintAirdrop() |
// | ---------------------------------->
// | |
// | |
// _________________________________________________________________
// ! ALT / caller is not admin or minter role? | !
// !_____/ | | !
// ! | revert Access_MissingRoleOrAdmin()| !
// ! | <---------------------------------- !
// !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// !~[noop]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// | |
// | |
// _________________________________________________________________
// ! ALT / drop has no tokens left for recipients to mint? !
// !_____/ | | !
// ! | revert Mint_SoldOut() | !
// ! | <---------------------------------- !
// !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// !~[noop]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// | |
// | |
// | _____________________________________
// | ! LOOP / for all recipients !
// | !______/ | !
// | ! |----. !
// | ! | | mint tokens !
// | ! |<---' !
// | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// | |
// | return last minted token ID |
// | <----------------------------------
// Caller ,----+-----.
// ,-. |ERC721Drop|
// `-' `----------'
// /|\
// |
// / \
/// @dev This mints multiple editions to the given list of addresses.
/// @param recipients list of addresses to send the newly minted editions to
function adminMintAirdrop(address[] calldata recipients)
external
override
onlyRoleOrAdmin(MINTER_ROLE)
canMintTokens(recipients.length)
returns (uint256)
{
uint256 atId = _currentIndex;
uint256 startAt = atId;
unchecked {
for (
uint256 endAt = atId + recipients.length;
atId < endAt;
atId++
) {
_mintNFTs(recipients[atId - startAt], 1);
}
}
return _lastMintedTokenId();
}
/**
*** ---------------------------------- ***
*** ***
*** ADMIN CONFIGURATION FUNCTIONS ***
*** ***
*** ---------------------------------- ***
***/
// ,-.
// `-'
// /|\
// | ,----------.
// / \ |ERC721Drop|
// Caller `----+-----'
// | setOwner() |
// | ------------------------->
// | |
// | |
// ________________________________________________________
// ! ALT / caller is not admin? | !
// !_____/ | | !
// ! | revert Access_OnlyAdmin()| !
// ! | <------------------------- !
// !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// !~[noop]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// | |
// | |----.
// | | | set owner
// | |<---'
// Caller ,----+-----.
// ,-. |ERC721Drop|
// `-' `----------'
// /|\
// |
// / \
/// @dev Set new owner for royalties / opensea
/// @param newOwner new owner to set
function setOwner(address newOwner) public onlyAdmin {
_setOwner(newOwner);
}
/// @notice Set a new metadata renderer
/// @param newRenderer new renderer address to use
/// @param setupRenderer data to setup new renderer with
function setMetadataRenderer(
IMetadataRenderer newRenderer,
bytes memory setupRenderer
) external onlyAdmin {
config.metadataRenderer = newRenderer;
if (setupRenderer.length > 0) {
newRenderer.initializeWithData(setupRenderer);
}
emit UpdatedMetadataRenderer({
sender: _msgSender(),
renderer: newRenderer
});
}
// ,-.
// `-'
// /|\
// | ,----------.
// / \ |ERC721Drop|
// Caller `----+-----'
// | setSalesConfiguration() |
// | ---------------------------------->
// | |
// | |
// _________________________________________________________________
// ! ALT / caller is not admin? | !
// !_____/ | | !
// ! | revert Access_MissingRoleOrAdmin()| !
// ! | <---------------------------------- !
// !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// !~[noop]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// | |
// | |----.
// | | | set funds recipient
// | |<---'
// | |
// | |----.
// | | | emit FundsRecipientChanged()
// | |<---'
// Caller ,----+-----.
// ,-. |ERC721Drop|
// `-' `----------'
// /|\
// |
// / \
/// @dev This sets the sales configuration
// / @param publicSalePrice New public sale price
function setSaleConfiguration(
address erc20PaymentToken,
uint104 publicSalePrice,
uint32 maxSalePurchasePerAddress,
uint64 publicSaleStart,
uint64 publicSaleEnd,
uint64 presaleStart,
uint64 presaleEnd,
bytes32 presaleMerkleRoot
) external onlyRoleOrAdmin(SALES_MANAGER_ROLE) {
salesConfig.erc20PaymentToken = erc20PaymentToken;
salesConfig.publicSalePrice = publicSalePrice;
salesConfig.maxSalePurchasePerAddress = maxSalePurchasePerAddress;
salesConfig.publicSaleStart = publicSaleStart;
salesConfig.publicSaleEnd = publicSaleEnd;
salesConfig.presaleStart = presaleStart;
salesConfig.presaleEnd = presaleEnd;
salesConfig.presaleMerkleRoot = presaleMerkleRoot;
emit SalesConfigChanged(_msgSender());
}
// ,-.
// `-'
// /|\
// | ,----------.
// / \ |ERC721Drop|
// Caller `----+-----'
// | setOwner() |
// | ------------------------->
// | |
// | |
// ________________________________________________________
// ! ALT / caller is not admin or SALES_MANAGER_ROLE? !
// !_____/ | | !
// ! | revert Access_OnlyAdmin()| !
// ! | <------------------------- !
// !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// !~[noop]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// | |
// | |----.
// | | | set sales configuration
// | |<---'
// | |
// | |----.
// | | | emit SalesConfigChanged()
// | |<---'
// Caller ,----+-----.
// ,-. |ERC721Drop|
// `-' `----------'
// /|\
// |
// / \
/// @notice Set a different funds recipient
/// @param newRecipientAddress new funds recipient address
function setFundsRecipient(address payable newRecipientAddress)
external
onlyRoleOrAdmin(SALES_MANAGER_ROLE)
{
// TODO(iain): funds recipient cannot be 0?
config.fundsRecipient = newRecipientAddress;
emit FundsRecipientChanged(newRecipientAddress, _msgSender());
}
// ,-. ,-. ,-.
// `-' `-' `-'
// /|\ /|\ /|\
// | | | ,----------.
// / \ / \ / \ |ERC721Drop|
// Caller FeeRecipient FundsRecipient `----+-----'
// | | withdraw() | |
// | ------------------------------------------------------------------------->
// | | | |
// | | | |
// ________________________________________________________________________________________________________
// ! ALT / caller is not admin or manager? | | !
// !_____/ | | | | !
// ! | revert Access_WithdrawNotAllowed() | !
// ! | <------------------------------------------------------------------------- !
// !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// !~[noop]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// | | | |
// | | send fee amount |
// | | <----------------------------------------------------
// | | | |
// | | | |
// | | | ____________________________________________________________
// | | | ! ALT / send unsuccesful? !
// | | | !_____/ | !
// | | | ! |----. !
// | | | ! | | revert Withdraw_FundsSendFailure() !
// | | | ! |<---' !
// | | | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// | | | !~[noop]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// | | | |
// | | | send remaining funds amount|
// | | | <---------------------------
// | | | |
// | | | |
// | | | ____________________________________________________________
// | | | ! ALT / send unsuccesful? !
// | | | !_____/ | !
// | | | ! |----. !
// | | | ! | | revert Withdraw_FundsSendFailure() !
// | | | ! |<---' !
// | | | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// | | | !~[noop]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// Caller FeeRecipient FundsRecipient ,----+-----.
// ,-. ,-. ,-. |ERC721Drop|
// `-' `-' `-' `----------'
// /|\ /|\ /|\
// | | |
// / \ / \ / \
/// @notice This withdraws ETH from the contract to the contract owner.
function withdraw() external nonReentrant {
address sender = _msgSender();
// Check if withdraw is allowed for sender
if (
!hasRole(DEFAULT_ADMIN_ROLE, sender) &&
!hasRole(SALES_MANAGER_ROLE, sender) &&
sender != config.fundsRecipient
) {
revert Access_WithdrawNotAllowed();
}
uint256 funds = address(this).balance;
// Payout recipient
(bool successFunds, ) = config.fundsRecipient.call{
value: funds,
gas: FUNDS_SEND_GAS_LIMIT
}("");
if (!successFunds) {
revert Withdraw_FundsSendFailure();
}
// Emit event for indexing
emit FundsWithdrawn(_msgSender(), config.fundsRecipient, funds);
}
// ,-.
// `-'
// /|\
// | ,----------.
// / \ |ERC721Drop|
// Caller `----+-----'
// | finalizeOpenEdition() |
// | ---------------------------------->
// | |
// | |
// _________________________________________________________________
// ! ALT / caller is not admin or SALES_MANAGER_ROLE? !
// !_____/ | | !
// ! | revert Access_MissingRoleOrAdmin()| !
// ! | <---------------------------------- !
// !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// !~[noop]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// | |
// | |
// | _______________________________________________________________________
// | ! ALT / drop is not an open edition? !
// | !_____/ | !
// | ! |----. !
// | ! | | revert Admin_UnableToFinalizeNotOpenEdition() !
// | ! |<---' !
// | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// | !~[noop]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!
// | |
// | |----.
// | | | set config edition size
// | |<---'
// | |
// | |----.
// | | | emit OpenMintFinalized()
// | |<---'
// Caller ,----+-----.
// ,-. |ERC721Drop|
// `-' `----------'
// /|\
// |
// / \
/// @notice Admin function to finalize and open edition sale
function finalizeOpenEdition()
external
onlyRoleOrAdmin(SALES_MANAGER_ROLE)
{
if (config.editionSize != type(uint64).max) {
revert Admin_UnableToFinalizeNotOpenEdition();
}
config.editionSize = uint64(_totalMinted());
emit OpenMintFinalized(_msgSender(), config.editionSize);
}
/**
*** ---------------------------------- ***
*** ***
*** GENERAL GETTER FUNCTIONS ***
*** ***
*** ---------------------------------- ***
***/
/// @notice Simple override for owner interface.
/// @return user owner address
function owner()
public
view
override(OwnableSkeleton, IERC721Drop)
returns (address)
{
return super.owner();
}
/// @notice Contract URI Getter, proxies to metadataRenderer
/// @return Contract URI
function contractURI() external view returns (string memory) {
return config.metadataRenderer.contractURI();
}
/// @notice Getter for metadataRenderer contract
function metadataRenderer() external view returns (IMetadataRenderer) {
return IMetadataRenderer(config.metadataRenderer);
}
/// @notice Token URI Getter, proxies to metadataRenderer
/// @param tokenId id of token to get URI for
/// @return Token URI
function tokenURI(uint256 tokenId)
public
view
override
returns (string memory)
{
if (!_exists(tokenId)) {
revert IERC721AUpgradeable.URIQueryForNonexistentToken();
}
return config.metadataRenderer.tokenURI(tokenId);
}
/// @notice ERC165 supports interface
/// @param interfaceId interface id to check if supported
function supportsInterface(bytes4 interfaceId)
public
view
override(
IERC165Upgradeable,
ERC721AUpgradeable,
AccessControlUpgradeable
)
returns (bool)
{
return
super.supportsInterface(interfaceId) ||
type(IOwnable).interfaceId == interfaceId ||
type(IERC2981Upgradeable).interfaceId == interfaceId ||
type(IERC721Drop).interfaceId == interfaceId;
}
}// SPDX-License-Identifier: MIT
// Creator: Chiru Labs
pragma solidity ^0.8.4;
import "./IERC721AUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/token/ERC721/IERC721ReceiverUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/StringsUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/introspection/ERC165Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
/**
* @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
* the Metadata extension. Built to optimize for lower gas during batch mints.
*
* Assumes serials are sequentially minted starting at _startTokenId() (defaults to 0, e.g. 0, 1, 2, 3..).
*
* Assumes that an owner cannot have more than 2**64 - 1 (max value of uint64) of supply.
*
* Assumes that the maximum token id cannot exceed 2**256 - 1 (max value of uint256).
*/
contract ERC721AUpgradeable is Initializable, ContextUpgradeable, ERC165Upgradeable, IERC721AUpgradeable {
using AddressUpgradeable for address;
using StringsUpgradeable for uint256;
// The tokenId of the next token to be minted.
uint256 internal _currentIndex;
// The number of tokens burned.
uint256 internal _burnCounter;
// Token name
string private _name;
// Token symbol
string private _symbol;
// Mapping from token ID to ownership details
// An empty struct value does not necessarily mean the token is unowned. See _ownershipOf implementation for details.
mapping(uint256 => TokenOwnership) internal _ownerships;
// Mapping owner address to address data
mapping(address => AddressData) private _addressData;
// Mapping from token ID to approved address
mapping(uint256 => address) private _tokenApprovals;
// Mapping from owner to operator approvals
mapping(address => mapping(address => bool)) private _operatorApprovals;
function __ERC721A_init(string memory name_, string memory symbol_) internal onlyInitializing {
__ERC721A_init_unchained(name_, symbol_);
}
function __ERC721A_init_unchained(string memory name_, string memory symbol_) internal onlyInitializing {
_name = name_;
_symbol = symbol_;
_currentIndex = _startTokenId();
}
/**
* To change the starting tokenId, please override this function.
*/
function _startTokenId() internal view virtual returns (uint256) {
return 0;
}
/**
* @dev Burned tokens are calculated here, use _totalMinted() if you want to count just minted tokens.
*/
function totalSupply() public view override returns (uint256) {
// Counter underflow is impossible as _burnCounter cannot be incremented
// more than _currentIndex - _startTokenId() times
unchecked {
return _currentIndex - _burnCounter - _startTokenId();
}
}
/**
* Returns the total amount of tokens minted in the contract.
*/
function _totalMinted() internal view returns (uint256) {
// Counter underflow is impossible as _currentIndex does not decrement,
// and it is initialized to _startTokenId()
unchecked {
return _currentIndex - _startTokenId();
}
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165Upgradeable, IERC165Upgradeable) returns (bool) {
return
interfaceId == type(IERC721Upgradeable).interfaceId ||
interfaceId == type(IERC721MetadataUpgradeable).interfaceId ||
super.supportsInterface(interfaceId);
}
/**
* @dev See {IERC721-balanceOf}.
*/
function balanceOf(address owner) public view override returns (uint256) {
if (owner == address(0)) revert BalanceQueryForZeroAddress();
return uint256(_addressData[owner].balance);
}
/**
* Returns the number of tokens minted by `owner`.
*/
function _numberMinted(address owner) internal view returns (uint256) {
return uint256(_addressData[owner].numberMinted);
}
/**
* Returns the number of tokens burned by or on behalf of `owner`.
*/
function _numberBurned(address owner) internal view returns (uint256) {
return uint256(_addressData[owner].numberBurned);
}
/**
* Returns the auxillary data for `owner`. (e.g. number of whitelist mint slots used).
*/
function _getAux(address owner) internal view returns (uint64) {
return _addressData[owner].aux;
}
/**
* Sets the auxillary data for `owner`. (e.g. number of whitelist mint slots used).
* If there are multiple variables, please pack them into a uint64.
*/
function _setAux(address owner, uint64 aux) internal {
_addressData[owner].aux = aux;
}
/**
* Gas spent here starts off proportional to the maximum mint batch size.
* It gradually moves to O(1) as tokens get transferred around in the collection over time.
*/
function _ownershipOf(uint256 tokenId) internal view returns (TokenOwnership memory) {
uint256 curr = tokenId;
unchecked {
if (_startTokenId() <= curr && curr < _currentIndex) {
TokenOwnership memory ownership = _ownerships[curr];
if (!ownership.burned) {
if (ownership.addr != address(0)) {
return ownership;
}
// Invariant:
// There will always be an ownership that has an address and is not burned
// before an ownership that does not have an address and is not burned.
// Hence, curr will not underflow.
while (true) {
curr--;
ownership = _ownerships[curr];
if (ownership.addr != address(0)) {
return ownership;
}
}
}
}
}
revert OwnerQueryForNonexistentToken();
}
/**
* @dev See {IERC721-ownerOf}.
*/
function ownerOf(uint256 tokenId) public view override returns (address) {
return _ownershipOf(tokenId).addr;
}
/**
* @dev See {IERC721Metadata-name}.
*/
function name() public view virtual override returns (string memory) {
return _name;
}
/**
* @dev See {IERC721Metadata-symbol}.
*/
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
/**
* @dev See {IERC721Metadata-tokenURI}.
*/
function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
if (!_exists(tokenId)) revert URIQueryForNonexistentToken();
string memory baseURI = _baseURI();
return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : '';
}
/**
* @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
* token will be the concatenation of the `baseURI` and the `tokenId`. Empty
* by default, can be overriden in child contracts.
*/
function _baseURI() internal view virtual returns (string memory) {
return '';
}
/**
* @dev See {IERC721-approve}.
*/
function approve(address to, uint256 tokenId) public override {
address owner = ERC721AUpgradeable.ownerOf(tokenId);
if (to == owner) revert ApprovalToCurrentOwner();
if (_msgSender() != owner && !isApprovedForAll(owner, _msgSender())) {
revert ApprovalCallerNotOwnerNorApproved();
}
_approve(to, tokenId, owner);
}
/**
* @dev See {IERC721-getApproved}.
*/
function getApproved(uint256 tokenId) public view override returns (address) {
if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken();
return _tokenApprovals[tokenId];
}
/**
* @dev See {IERC721-setApprovalForAll}.
*/
function setApprovalForAll(address operator, bool approved) public virtual override {
if (operator == _msgSender()) revert ApproveToCaller();
_operatorApprovals[_msgSender()][operator] = approved;
emit ApprovalForAll(_msgSender(), operator, approved);
}
/**
* @dev See {IERC721-isApprovedForAll}.
*/
function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
return _operatorApprovals[owner][operator];
}
/**
* @dev See {IERC721-transferFrom}.
*/
function transferFrom(
address from,
address to,
uint256 tokenId
) public virtual override {
_transfer(from, to, tokenId);
}
/**
* @dev See {IERC721-safeTransferFrom}.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) public virtual override {
safeTransferFrom(from, to, tokenId, '');
}
/**
* @dev See {IERC721-safeTransferFrom}.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
bytes memory _data
) public virtual override {
_transfer(from, to, tokenId);
if (to.isContract() && !_checkContractOnERC721Received(from, to, tokenId, _data)) {
revert TransferToNonERC721ReceiverImplementer();
}
}
/**
* @dev Returns whether `tokenId` exists.
*
* Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
*
* Tokens start existing when they are minted (`_mint`),
*/
function _exists(uint256 tokenId) internal view returns (bool) {
return _startTokenId() <= tokenId && tokenId < _currentIndex && !_ownerships[tokenId].burned;
}
/**
* @dev Equivalent to `_safeMint(to, quantity, '')`.
*/
function _safeMint(address to, uint256 quantity) internal {
_safeMint(to, quantity, '');
}
/**
* @dev Safely mints `quantity` tokens and transfers them to `to`.
*
* Requirements:
*
* - If `to` refers to a smart contract, it must implement
* {IERC721Receiver-onERC721Received}, which is called for each safe transfer.
* - `quantity` must be greater than 0.
*
* Emits a {Transfer} event.
*/
function _safeMint(
address to,
uint256 quantity,
bytes memory _data
) internal {
uint256 startTokenId = _currentIndex;
if (to == address(0)) revert MintToZeroAddress();
if (quantity == 0) revert MintZeroQuantity();
_beforeTokenTransfers(address(0), to, startTokenId, quantity);
// Overflows are incredibly unrealistic.
// balance or numberMinted overflow if current value of either + quantity > 1.8e19 (2**64) - 1
// updatedIndex overflows if _currentIndex + quantity > 1.2e77 (2**256) - 1
unchecked {
_addressData[to].balance += uint64(quantity);
_addressData[to].numberMinted += uint64(quantity);
_ownerships[startTokenId].addr = to;
_ownerships[startTokenId].startTimestamp = uint64(block.timestamp);
uint256 updatedIndex = startTokenId;
uint256 end = updatedIndex + quantity;
if (to.isContract()) {
do {
emit Transfer(address(0), to, updatedIndex);
if (!_checkContractOnERC721Received(address(0), to, updatedIndex++, _data)) {
revert TransferToNonERC721ReceiverImplementer();
}
} while (updatedIndex != end);
// Reentrancy protection
if (_currentIndex != startTokenId) revert();
} else {
do {
emit Transfer(address(0), to, updatedIndex++);
} while (updatedIndex != end);
}
_currentIndex = updatedIndex;
}
_afterTokenTransfers(address(0), to, startTokenId, quantity);
}
/**
* @dev Mints `quantity` tokens and transfers them to `to`.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - `quantity` must be greater than 0.
*
* Emits a {Transfer} event.
*/
function _mint(address to, uint256 quantity) internal {
uint256 startTokenId = _currentIndex;
if (to == address(0)) revert MintToZeroAddress();
if (quantity == 0) revert MintZeroQuantity();
_beforeTokenTransfers(address(0), to, startTokenId, quantity);
// Overflows are incredibly unrealistic.
// balance or numberMinted overflow if current value of either + quantity > 1.8e19 (2**64) - 1
// updatedIndex overflows if _currentIndex + quantity > 1.2e77 (2**256) - 1
unchecked {
_addressData[to].balance += uint64(quantity);
_addressData[to].numberMinted += uint64(quantity);
_ownerships[startTokenId].addr = to;
_ownerships[startTokenId].startTimestamp = uint64(block.timestamp);
uint256 updatedIndex = startTokenId;
uint256 end = updatedIndex + quantity;
do {
emit Transfer(address(0), to, updatedIndex++);
} while (updatedIndex != end);
_currentIndex = updatedIndex;
}
_afterTokenTransfers(address(0), to, startTokenId, quantity);
}
/**
* @dev Transfers `tokenId` from `from` to `to`.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
*
* Emits a {Transfer} event.
*/
function _transfer(
address from,
address to,
uint256 tokenId
) private {
TokenOwnership memory prevOwnership = _ownershipOf(tokenId);
if (prevOwnership.addr != from) revert TransferFromIncorrectOwner();
bool isApprovedOrOwner = (_msgSender() == from ||
isApprovedForAll(from, _msgSender()) ||
getApproved(tokenId) == _msgSender());
if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved();
if (to == address(0)) revert TransferToZeroAddress();
_beforeTokenTransfers(from, to, tokenId, 1);
// Clear approvals from the previous owner
_approve(address(0), tokenId, from);
// Underflow of the sender's balance is impossible because we check for
// ownership above and the recipient's balance can't realistically overflow.
// Counter overflow is incredibly unrealistic as tokenId would have to be 2**256.
unchecked {
_addressData[from].balance -= 1;
_addressData[to].balance += 1;
TokenOwnership storage currSlot = _ownerships[tokenId];
currSlot.addr = to;
currSlot.startTimestamp = uint64(block.timestamp);
// If the ownership slot of tokenId+1 is not explicitly set, that means the transfer initiator owns it.
// Set the slot of tokenId+1 explicitly in storage to maintain correctness for ownerOf(tokenId+1) calls.
uint256 nextTokenId = tokenId + 1;
TokenOwnership storage nextSlot = _ownerships[nextTokenId];
if (nextSlot.addr == address(0)) {
// This will suffice for checking _exists(nextTokenId),
// as a burned slot cannot contain the zero address.
if (nextTokenId != _currentIndex) {
nextSlot.addr = from;
nextSlot.startTimestamp = prevOwnership.startTimestamp;
}
}
}
emit Transfer(from, to, tokenId);
_afterTokenTransfers(from, to, tokenId, 1);
}
/**
* @dev Equivalent to `_burn(tokenId, false)`.
*/
function _burn(uint256 tokenId) internal virtual {
_burn(tokenId, false);
}
/**
* @dev Destroys `tokenId`.
* The approval is cleared when the token is burned.
*
* Requirements:
*
* - `tokenId` must exist.
*
* Emits a {Transfer} event.
*/
function _burn(uint256 tokenId, bool approvalCheck) internal virtual {
TokenOwnership memory prevOwnership = _ownershipOf(tokenId);
address from = prevOwnership.addr;
if (approvalCheck) {
bool isApprovedOrOwner = (_msgSender() == from ||
isApprovedForAll(from, _msgSender()) ||
getApproved(tokenId) == _msgSender());
if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved();
}
_beforeTokenTransfers(from, address(0), tokenId, 1);
// Clear approvals from the previous owner
_approve(address(0), tokenId, from);
// Underflow of the sender's balance is impossible because we check for
// ownership above and the recipient's balance can't realistically overflow.
// Counter overflow is incredibly unrealistic as tokenId would have to be 2**256.
unchecked {
AddressData storage addressData = _addressData[from];
addressData.balance -= 1;
addressData.numberBurned += 1;
// Keep track of who burned the token, and the timestamp of burning.
TokenOwnership storage currSlot = _ownerships[tokenId];
currSlot.addr = from;
currSlot.startTimestamp = uint64(block.timestamp);
currSlot.burned = true;
// If the ownership slot of tokenId+1 is not explicitly set, that means the burn initiator owns it.
// Set the slot of tokenId+1 explicitly in storage to maintain correctness for ownerOf(tokenId+1) calls.
uint256 nextTokenId = tokenId + 1;
TokenOwnership storage nextSlot = _ownerships[nextTokenId];
if (nextSlot.addr == address(0)) {
// This will suffice for checking _exists(nextTokenId),
// as a burned slot cannot contain the zero address.
if (nextTokenId != _currentIndex) {
nextSlot.addr = from;
nextSlot.startTimestamp = prevOwnership.startTimestamp;
}
}
}
emit Transfer(from, address(0), tokenId);
_afterTokenTransfers(from, address(0), tokenId, 1);
// Overflow not possible, as _burnCounter cannot be exceed _currentIndex times.
unchecked {
_burnCounter++;
}
}
/**
* @dev Approve `to` to operate on `tokenId`
*
* Emits a {Approval} event.
*/
function _approve(
address to,
uint256 tokenId,
address owner
) private {
_tokenApprovals[tokenId] = to;
emit Approval(owner, to, tokenId);
}
/**
* @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target contract.
*
* @param from address representing the previous owner of the given token ID
* @param to target address that will receive the tokens
* @param tokenId uint256 ID of the token to be transferred
* @param _data bytes optional data to send along with the call
* @return bool whether the call correctly returned the expected magic value
*/
function _checkContractOnERC721Received(
address from,
address to,
uint256 tokenId,
bytes memory _data
) private returns (bool) {
try IERC721ReceiverUpgradeable(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
return retval == IERC721ReceiverUpgradeable(to).onERC721Received.selector;
} catch (bytes memory reason) {
if (reason.length == 0) {
revert TransferToNonERC721ReceiverImplementer();
} else {
assembly {
revert(add(32, reason), mload(reason))
}
}
}
}
/**
* @dev Hook that is called before a set of serially-ordered token ids are about to be transferred. This includes minting.
* And also called before burning one token.
*
* startTokenId - the first token id to be transferred
* quantity - the amount to be transferred
*
* Calling conditions:
*
* - When `from` and `to` are both non-zero, `from`'s `tokenId` will be
* transferred to `to`.
* - When `from` is zero, `tokenId` will be minted for `to`.
* - When `to` is zero, `tokenId` will be burned by `from`.
* - `from` and `to` are never both zero.
*/
function _beforeTokenTransfers(
address from,
address to,
uint256 startTokenId,
uint256 quantity
) internal virtual {}
/**
* @dev Hook that is called after a set of serially-ordered token ids have been transferred. This includes
* minting.
* And also called after one token has been burned.
*
* startTokenId - the first token id to be transferred
* quantity - the amount to be transferred
*
* Calling conditions:
*
* - When `from` and `to` are both non-zero, `from`'s `tokenId` has been
* transferred to `to`.
* - When `from` is zero, `tokenId` has been minted for `to`.
* - When `to` is zero, `tokenId` has been burned by `from`.
* - `from` and `to` are never both zero.
*/
function _afterTokenTransfers(
address from,
address to,
uint256 startTokenId,
uint256 quantity
) internal virtual {}
/**
* @dev This empty reserved space is put in place to allow future versions to add new
* variables without shifting down storage in the inheritance chain.
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
*/
uint256[42] private __gap;
}// SPDX-License-Identifier: MIT
// Creator: Chiru Labs
pragma solidity ^0.8.4;
import "@openzeppelin/contracts-upgradeable/token/ERC721/IERC721Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/token/ERC721/extensions/IERC721MetadataUpgradeable.sol";
/**
* @dev Interface of an ERC721A compliant contract.
*/
interface IERC721AUpgradeable is IERC721Upgradeable, IERC721MetadataUpgradeable {
/**
* The caller must own the token or be an approved operator.
*/
error ApprovalCallerNotOwnerNorApproved();
/**
* The token does not exist.
*/
error ApprovalQueryForNonexistentToken();
/**
* The caller cannot approve to their own address.
*/
error ApproveToCaller();
/**
* The caller cannot approve to the current owner.
*/
error ApprovalToCurrentOwner();
/**
* Cannot query the balance for the zero address.
*/
error BalanceQueryForZeroAddress();
/**
* Cannot mint to the zero address.
*/
error MintToZeroAddress();
/**
* The quantity of tokens minted must be more than zero.
*/
error MintZeroQuantity();
/**
* The token does not exist.
*/
error OwnerQueryForNonexistentToken();
/**
* The caller must own the token or be an approved operator.
*/
error TransferCallerNotOwnerNorApproved();
/**
* The token must be owned by `from`.
*/
error TransferFromIncorrectOwner();
/**
* Cannot safely transfer to a contract that does not implement the ERC721Receiver interface.
*/
error TransferToNonERC721ReceiverImplementer();
/**
* Cannot transfer to the zero address.
*/
error TransferToZeroAddress();
/**
* The token does not exist.
*/
error URIQueryForNonexistentToken();
// Compiler will pack this into a single 256bit word.
struct TokenOwnership {
// The address of the owner.
address addr;
// Keeps track of the start time of ownership with minimal overhead for tokenomics.
uint64 startTimestamp;
// Whether the token has been burned.
bool burned;
}
// Compiler will pack this into a single 256bit word.
struct AddressData {
// Realistically, 2**64-1 is more than enough.
uint64 balance;
// Keeps track of mint count with minimal overhead for tokenomics.
uint64 numberMinted;
// Keeps track of burn count with minimal overhead for tokenomics.
uint64 numberBurned;
// For miscellaneous variable(s) pertaining to the address
// (e.g. number of whitelist mint slots used).
// If there are multiple variables, please pack them into a uint64.
uint64 aux;
}
/**
* @dev Returns the total amount of tokens stored by the contract.
* @dev Burned tokens are calculated here, use _totalMinted() if you want to count just minted tokens.
*/
function totalSupply() external view returns (uint256);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (access/AccessControl.sol)
pragma solidity ^0.8.0;
import "./IAccessControlUpgradeable.sol";
import "../utils/ContextUpgradeable.sol";
import "../utils/StringsUpgradeable.sol";
import "../utils/introspection/ERC165Upgradeable.sol";
import "../proxy/utils/Initializable.sol";
/**
* @dev Contract module that allows children to implement role-based access
* control mechanisms. This is a lightweight version that doesn't allow enumerating role
* members except through off-chain means by accessing the contract event logs. Some
* applications may benefit from on-chain enumerability, for those cases see
* {AccessControlEnumerable}.
*
* Roles are referred to by their `bytes32` identifier. These should be exposed
* in the external API and be unique. The best way to achieve this is by
* using `public constant` hash digests:
*
* ```
* bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
* ```
*
* Roles can be used to represent a set of permissions. To restrict access to a
* function call, use {hasRole}:
*
* ```
* function foo() public {
* require(hasRole(MY_ROLE, msg.sender));
* ...
* }
* ```
*
* Roles can be granted and revoked dynamically via the {grantRole} and
* {revokeRole} functions. Each role has an associated admin role, and only
* accounts that have a role's admin role can call {grantRole} and {revokeRole}.
*
* By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
* that only accounts with this role will be able to grant or revoke other
* roles. More complex role relationships can be created by using
* {_setRoleAdmin}.
*
* WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
* grant and revoke this role. Extra precautions should be taken to secure
* accounts that have been granted it.
*/
abstract contract AccessControlUpgradeable is Initializable, ContextUpgradeable, IAccessControlUpgradeable, ERC165Upgradeable {
function __AccessControl_init() internal onlyInitializing {
}
function __AccessControl_init_unchained() internal onlyInitializing {
}
struct RoleData {
mapping(address => bool) members;
bytes32 adminRole;
}
mapping(bytes32 => RoleData) private _roles;
bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;
/**
* @dev Modifier that checks that an account has a specific role. Reverts
* with a standardized message including the required role.
*
* The format of the revert reason is given by the following regular expression:
*
* /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
*
* _Available since v4.1._
*/
modifier onlyRole(bytes32 role) {
_checkRole(role);
_;
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IAccessControlUpgradeable).interfaceId || super.supportsInterface(interfaceId);
}
/**
* @dev Returns `true` if `account` has been granted `role`.
*/
function hasRole(bytes32 role, address account) public view virtual override returns (bool) {
return _roles[role].members[account];
}
/**
* @dev Revert with a standard message if `_msgSender()` is missing `role`.
* Overriding this function changes the behavior of the {onlyRole} modifier.
*
* Format of the revert message is described in {_checkRole}.
*
* _Available since v4.6._
*/
function _checkRole(bytes32 role) internal view virtual {
_checkRole(role, _msgSender());
}
/**
* @dev Revert with a standard message if `account` is missing `role`.
*
* The format of the revert reason is given by the following regular expression:
*
* /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
*/
function _checkRole(bytes32 role, address account) internal view virtual {
if (!hasRole(role, account)) {
revert(
string(
abi.encodePacked(
"AccessControl: account ",
StringsUpgradeable.toHexString(uint160(account), 20),
" is missing role ",
StringsUpgradeable.toHexString(uint256(role), 32)
)
)
);
}
}
/**
* @dev Returns the admin role that controls `role`. See {grantRole} and
* {revokeRole}.
*
* To change a role's admin, use {_setRoleAdmin}.
*/
function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) {
return _roles[role].adminRole;
}
/**
* @dev Grants `role` to `account`.
*
* If `account` had not been already granted `role`, emits a {RoleGranted}
* event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*/
function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
_grantRole(role, account);
}
/**
* @dev Revokes `role` from `account`.
*
* If `account` had been granted `role`, emits a {RoleRevoked} event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*/
function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
_revokeRole(role, account);
}
/**
* @dev Revokes `role` from the calling account.
*
* Roles are often managed via {grantRole} and {revokeRole}: this function's
* purpose is to provide a mechanism for accounts to lose their privileges
* if they are compromised (such as when a trusted device is misplaced).
*
* If the calling account had been revoked `role`, emits a {RoleRevoked}
* event.
*
* Requirements:
*
* - the caller must be `account`.
*/
function renounceRole(bytes32 role, address account) public virtual override {
require(account == _msgSender(), "AccessControl: can only renounce roles for self");
_revokeRole(role, account);
}
/**
* @dev Grants `role` to `account`.
*
* If `account` had not been already granted `role`, emits a {RoleGranted}
* event. Note that unlike {grantRole}, this function doesn't perform any
* checks on the calling account.
*
* [WARNING]
* ====
* This function should only be called from the constructor when setting
* up the initial roles for the system.
*
* Using this function in any other way is effectively circumventing the admin
* system imposed by {AccessControl}.
* ====
*
* NOTE: This function is deprecated in favor of {_grantRole}.
*/
function _setupRole(bytes32 role, address account) internal virtual {
_grantRole(role, account);
}
/**
* @dev Sets `adminRole` as ``role``'s admin role.
*
* Emits a {RoleAdminChanged} event.
*/
function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
bytes32 previousAdminRole = getRoleAdmin(role);
_roles[role].adminRole = adminRole;
emit RoleAdminChanged(role, previousAdminRole, adminRole);
}
/**
* @dev Grants `role` to `account`.
*
* Internal function without access restriction.
*/
function _grantRole(bytes32 role, address account) internal virtual {
if (!hasRole(role, account)) {
_roles[role].members[account] = true;
emit RoleGranted(role, account, _msgSender());
}
}
/**
* @dev Revokes `role` from `account`.
*
* Internal function without access restriction.
*/
function _revokeRole(bytes32 role, address account) internal virtual {
if (hasRole(role, account)) {
_roles[role].members[account] = false;
emit RoleRevoked(role, account, _msgSender());
}
}
/**
* @dev This empty reserved space is put in place to allow future versions to add new
* variables without shifting down storage in the inheritance chain.
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
*/
uint256[49] private __gap;
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)
pragma solidity ^0.8.0;
/**
* @dev External interface of AccessControl declared to support ERC165 detection.
*/
interface IAccessControlUpgradeable {
/**
* @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
*
* `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
* {RoleAdminChanged} not being emitted signaling this.
*
* _Available since v3.1._
*/
event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);
/**
* @dev Emitted when `account` is granted `role`.
*
* `sender` is the account that originated the contract call, an admin role
* bearer except when using {AccessControl-_setupRole}.
*/
event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);
/**
* @dev Emitted when `account` is revoked `role`.
*
* `sender` is the account that originated the contract call:
* - if using `revokeRole`, it is the admin role bearer
* - if using `renounceRole`, it is the role bearer (i.e. `account`)
*/
event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);
/**
* @dev Returns `true` if `account` has been granted `role`.
*/
function hasRole(bytes32 role, address account) external view returns (bool);
/**
* @dev Returns the admin role that controls `role`. See {grantRole} and
* {revokeRole}.
*
* To change a role's admin, use {AccessControl-_setRoleAdmin}.
*/
function getRoleAdmin(bytes32 role) external view returns (bytes32);
/**
* @dev Grants `role` to `account`.
*
* If `account` had not been already granted `role`, emits a {RoleGranted}
* event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*/
function grantRole(bytes32 role, address account) external;
/**
* @dev Revokes `role` from `account`.
*
* If `account` had been granted `role`, emits a {RoleRevoked} event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*/
function revokeRole(bytes32 role, address account) external;
/**
* @dev Revokes `role` from the calling account.
*
* Roles are often managed via {grantRole} and {revokeRole}: this function's
* purpose is to provide a mechanism for accounts to lose their privileges
* if they are compromised (such as when a trusted device is misplaced).
*
* If the calling account had been granted `role`, emits a {RoleRevoked}
* event.
*
* Requirements:
*
* - the caller must be `account`.
*/
function renounceRole(bytes32 role, address account) external;
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (interfaces/IERC2981.sol)
pragma solidity ^0.8.0;
import "../utils/introspection/IERC165Upgradeable.sol";
/**
* @dev Interface for the NFT Royalty Standard.
*
* A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal
* support for royalty payments across all NFT marketplaces and ecosystem participants.
*
* _Available since v4.5._
*/
interface IERC2981Upgradeable is IERC165Upgradeable {
/**
* @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of
* exchange. The royalty amount is denominated and should be payed in that same unit of exchange.
*/
function royaltyInfo(uint256 tokenId, uint256 salePrice)
external
view
returns (address receiver, uint256 royaltyAmount);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (proxy/utils/Initializable.sol)
pragma solidity ^0.8.0;
import "../../utils/AddressUpgradeable.sol";
/**
* @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
* behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an
* external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
* function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
*
* TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
* possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
*
* CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
* that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
*
* [CAUTION]
* ====
* Avoid leaving a contract uninitialized.
*
* An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
* contract, which may impact the proxy. To initialize the implementation contract, you can either invoke the
* initializer manually, or you can include a constructor to automatically mark it as initialized when it is deployed:
*
* [.hljs-theme-light.nopadding]
* ```
* /// @custom:oz-upgrades-unsafe-allow constructor
* constructor() initializer {}
* ```
* ====
*/
abstract contract Initializable {
/**
* @dev Indicates that the contract has been initialized.
*/
bool private _initialized;
/**
* @dev Indicates that the contract is in the process of being initialized.
*/
bool private _initializing;
/**
* @dev Modifier to protect an initializer function from being invoked twice.
*/
modifier initializer() {
// If the contract is initializing we ignore whether _initialized is set in order to support multiple
// inheritance patterns, but we only do this in the context of a constructor, because in other contexts the
// contract may have been reentered.
require(_initializing ? _isConstructor() : !_initialized, "Initializable: contract is already initialized");
bool isTopLevelCall = !_initializing;
if (isTopLevelCall) {
_initializing = true;
_initialized = true;
}
_;
if (isTopLevelCall) {
_initializing = false;
}
}
/**
* @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
* {initializer} modifier, directly or indirectly.
*/
modifier onlyInitializing() {
require(_initializing, "Initializable: contract is not initializing");
_;
}
function _isConstructor() private view returns (bool) {
return !AddressUpgradeable.isContract(address(this));
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)
pragma solidity ^0.8.0;
import "../proxy/utils/Initializable.sol";
/**
* @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 ReentrancyGuardUpgradeable is Initializable {
// 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;
function __ReentrancyGuard_init() internal onlyInitializing {
__ReentrancyGuard_init_unchained();
}
function __ReentrancyGuard_init_unchained() internal onlyInitializing {
_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;
}
/**
* @dev This empty reserved space is put in place to allow future versions to add new
* variables without shifting down storage in the inheritance chain.
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
*/
uint256[49] private __gap;
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20Upgradeable {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `to`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address to, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `from` to `to` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(
address from,
address to,
uint256 amount
) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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 IERC721ReceiverUpgradeable {
/**
* @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);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)
pragma solidity ^0.8.0;
import "../../utils/introspection/IERC165Upgradeable.sol";
/**
* @dev Required interface of an ERC721 compliant contract.
*/
interface IERC721Upgradeable is IERC165Upgradeable {
/**
* @dev Emitted when `tokenId` token is transferred from `from` to `to`.
*/
event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
*/
event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
*/
event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
/**
* @dev Returns the number of tokens in ``owner``'s account.
*/
function balanceOf(address owner) external view returns (uint256 balance);
/**
* @dev Returns the owner of the `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function ownerOf(uint256 tokenId) external view returns (address owner);
/**
* @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
* are aware of the ERC721 protocol to prevent tokens from being forever locked.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) external;
/**
* @dev Transfers `tokenId` token from `from` to `to`.
*
* WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
*
* Emits a {Transfer} event.
*/
function transferFrom(
address from,
address to,
uint256 tokenId
) external;
/**
* @dev Gives permission to `to` to transfer `tokenId` token to another account.
* The approval is cleared when the token is transferred.
*
* Only a single account can be approved at a time, so approving the zero address clears previous approvals.
*
* Requirements:
*
* - The caller must own the token or be an approved operator.
* - `tokenId` must exist.
*
* Emits an {Approval} event.
*/
function approve(address to, uint256 tokenId) external;
/**
* @dev Returns the account approved for `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function getApproved(uint256 tokenId) external view returns (address operator);
/**
* @dev Approve or remove `operator` as an operator for the caller.
* Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
*
* Requirements:
*
* - The `operator` cannot be the caller.
*
* Emits an {ApprovalForAll} event.
*/
function setApprovalForAll(address operator, bool _approved) external;
/**
* @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
*
* See {setApprovalForAll}
*/
function isApprovedForAll(address owner, address operator) external view returns (bool);
/**
* @dev Safely transfers `tokenId` token from `from` to `to`.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
bytes calldata data
) external;
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)
pragma solidity ^0.8.0;
import "../IERC721Upgradeable.sol";
/**
* @title ERC-721 Non-Fungible Token Standard, optional metadata extension
* @dev See https://eips.ethereum.org/EIPS/eip-721
*/
interface IERC721MetadataUpgradeable is IERC721Upgradeable {
/**
* @dev Returns the token collection name.
*/
function name() external view returns (string memory);
/**
* @dev Returns the token collection symbol.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
*/
function tokenURI(uint256 tokenId) external view returns (string memory);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)
pragma solidity ^0.8.1;
/**
* @dev Collection of functions related to the address type
*/
library AddressUpgradeable {
/**
* @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 functionCall(target, data, "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");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResult(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) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason 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 {
// 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
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
pragma solidity ^0.8.0;
import "../proxy/utils/Initializable.sol";
/**
* @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 ContextUpgradeable is Initializable {
function __Context_init() internal onlyInitializing {
}
function __Context_init_unchained() internal onlyInitializing {
}
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
/**
* @dev This empty reserved space is put in place to allow future versions to add new
* variables without shifting down storage in the inheritance chain.
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
*/
uint256[50] private __gap;
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)
pragma solidity ^0.8.0;
/**
* @dev String operations.
*/
library StringsUpgradeable {
bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
/**
* @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);
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/cryptography/MerkleProof.sol)
pragma solidity ^0.8.0;
/**
* @dev These functions deal with verification of Merkle Trees proofs.
*
* The proofs can be generated using the JavaScript library
* https://github.com/miguelmota/merkletreejs[merkletreejs].
* Note: the hashing algorithm should be keccak256 and pair sorting should be enabled.
*
* See `test/utils/cryptography/MerkleProof.test.js` for some examples.
*
* WARNING: You should avoid using leaf values that are 64 bytes long prior to
* hashing, or use a hash function other than keccak256 for hashing leaves.
* This is because the concatenation of a sorted pair of internal nodes in
* the merkle tree could be reinterpreted as a leaf value.
*/
library MerkleProofUpgradeable {
/**
* @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
* defined by `root`. For this, a `proof` must be provided, containing
* sibling hashes on the branch from the leaf to the root of the tree. Each
* pair of leaves and each pair of pre-images are assumed to be sorted.
*/
function verify(
bytes32[] memory proof,
bytes32 root,
bytes32 leaf
) internal pure returns (bool) {
return processProof(proof, leaf) == root;
}
/**
* @dev Returns the rebuilt hash obtained by traversing a Merkle tree up
* from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
* hash matches the root of the tree. When processing the proof, the pairs
* of leafs & pre-images are assumed to be sorted.
*
* _Available since v4.4._
*/
function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) {
bytes32 computedHash = leaf;
for (uint256 i = 0; i < proof.length; i++) {
bytes32 proofElement = proof[i];
if (computedHash <= proofElement) {
// Hash(current computed hash + current element of the proof)
computedHash = _efficientHash(computedHash, proofElement);
} else {
// Hash(current element of the proof + current computed hash)
computedHash = _efficientHash(proofElement, computedHash);
}
}
return computedHash;
}
function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) {
assembly {
mstore(0x00, a)
mstore(0x20, b)
value := keccak256(0x00, 0x40)
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)
pragma solidity ^0.8.0;
import "./IERC165Upgradeable.sol";
import "../../proxy/utils/Initializable.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 ERC165Upgradeable is Initializable, IERC165Upgradeable {
function __ERC165_init() internal onlyInitializing {
}
function __ERC165_init_unchained() internal onlyInitializing {
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IERC165Upgradeable).interfaceId;
}
/**
* @dev This empty reserved space is put in place to allow future versions to add new
* variables without shifting down storage in the inheritance chain.
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
*/
uint256[50] private __gap;
}// 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 IERC165Upgradeable {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;
import {IMetadataRenderer} from "../interfaces/IMetadataRenderer.sol";
/**
________ _____ ____ ______ ____
/\_____ \ /\ __`\/\ _`\ /\ _ \ /\ _`\
\/____//'/'\ \ \/\ \ \ \L\ \ \ \L\ \ \ \ \/\ \ _ __ ___ _____ ____
//'/' \ \ \ \ \ \ , /\ \ __ \ \ \ \ \ \/\`'__\/ __`\/\ '__`\ /',__\
//'/'___ \ \ \_\ \ \ \\ \\ \ \/\ \ \ \ \_\ \ \ \//\ \L\ \ \ \L\ \/\__, `\
/\_______\\ \_____\ \_\ \_\ \_\ \_\ \ \____/\ \_\\ \____/\ \ ,__/\/\____/
\/_______/ \/_____/\/_/\/ /\/_/\/_/ \/___/ \/_/ \/___/ \ \ \/ \/___/
\ \_\
\/_/
*/
/// @notice Interface for ZORA Drops contract
interface IERC721Drop {
// Access errors
/// @notice Only admin can access this function
error Access_OnlyAdmin();
/// @notice Missing the given role or admin access
error Access_MissingRoleOrAdmin(bytes32 role);
/// @notice Withdraw is not allowed by this user
error Access_WithdrawNotAllowed();
/// @notice Cannot withdraw funds due to ETH send failure.
error Withdraw_FundsSendFailure();
// Sale/Purchase errors
/// @notice Sale is inactive
error Sale_Inactive();
/// @notice Presale is inactive
error Presale_Inactive();
/// @notice Presale merkle root is invalid
error Presale_MerkleNotApproved();
/// @notice Wrong price for purchase
error Purchase_WrongPrice(uint256 correctPrice);
/// @notice NFT sold out
error Mint_SoldOut();
/// @notice Too many purchase for address
error Purchase_TooManyForAddress();
/// @notice Too many presale for address
error Presale_TooManyForAddress();
// Admin errors
/// @notice Royalty percentage too high
error Setup_RoyaltyPercentageTooHigh(uint16 maxRoyaltyBPS);
/// @notice Invalid admin upgrade address
error Admin_InvalidUpgradeAddress(address proposedAddress);
/// @notice Unable to finalize an edition not marked as open (size set to uint64_max_value)
error Admin_UnableToFinalizeNotOpenEdition();
/// @notice Event emitted for each sale
/// @param to address sale was made to
/// @param quantity quantity of the minted nfts
/// @param pricePerToken price for each token
/// @param firstPurchasedTokenId first purchased token ID (to get range add to quantity for max)
event Sale(
address indexed to,
uint256 indexed quantity,
uint256 indexed pricePerToken,
uint256 firstPurchasedTokenId
);
/// @notice Sales configuration has been changed
/// @dev To access new sales configuration, use getter function.
/// @param changedBy Changed by user
event SalesConfigChanged(address indexed changedBy);
/// @notice Event emitted when the funds recipient is changed
/// @param newAddress new address for the funds recipient
/// @param changedBy address that the recipient is changed by
event FundsRecipientChanged(
address indexed newAddress,
address indexed changedBy
);
/// @notice Event emitted when the funds are withdrawn from the minting contract
/// @param withdrawnBy address that issued the withdraw
/// @param withdrawnTo address that the funds were withdrawn to
/// @param amount amount that was withdrawn
event FundsWithdrawn(
address indexed withdrawnBy,
address indexed withdrawnTo,
uint256 amount
);
/// @notice Event emitted when an open mint is finalized and further minting is closed forever on the contract.
/// @param sender address sending close mint
/// @param numberOfMints number of mints the contract is finalized at
event OpenMintFinalized(address indexed sender, uint256 numberOfMints);
/// @notice Event emitted when metadata renderer is updated.
/// @param sender address of the updater
/// @param renderer new metadata renderer address
event UpdatedMetadataRenderer(address sender, IMetadataRenderer renderer);
/// @notice General configuration for NFT Minting and bookkeeping
struct Configuration {
/// @dev Metadata renderer (uint160)
IMetadataRenderer metadataRenderer;
/// @dev Total size of edition that can be minted (uint160+64 = 224)
uint64 editionSize;
/// @dev Royalty amount in bps (uint224+16 = 240)
uint16 royaltyBPS;
/// @dev Funds recipient for sale (new slot, uint160)
address payable fundsRecipient;
}
/// @notice Sales states and configuration
/// @dev Uses 3 storage slots
struct SalesConfiguration {
/// @dev Public sale price (max ether value > 1000 ether with this value)
uint104 publicSalePrice;
/// @notice Purchase mint limit per address (if set to 0 === unlimited mints)
/// @dev Max purchase number per txn (90+32 = 122)
uint32 maxSalePurchasePerAddress;
/// @dev uint64 type allows for dates into 292 billion years
/// @notice Public sale start timestamp (136+64 = 186)
uint64 publicSaleStart;
/// @notice Public sale end timestamp (186+64 = 250)
uint64 publicSaleEnd;
/// @notice Presale start timestamp
/// @dev new storage slot
uint64 presaleStart;
/// @notice Presale end timestamp
uint64 presaleEnd;
/// @notice Presale merkle root
bytes32 presaleMerkleRoot;
}
/// @notice Sales states and configuration
/// @dev Uses 3 storage slots
struct ERC20SalesConfiguration {
/// @notice Public sale price
/// @dev max ether value > 1000 ether with this value
uint104 publicSalePrice;
/// @dev ERC20 Token
address erc20PaymentToken;
/// @notice Purchase mint limit per address (if set to 0 === unlimited mints)
/// @dev Max purchase number per txn (90+32 = 122)
uint32 maxSalePurchasePerAddress;
/// @dev uint64 type allows for dates into 292 billion years
/// @notice Public sale start timestamp (136+64 = 186)
uint64 publicSaleStart;
/// @notice Public sale end timestamp (186+64 = 250)
uint64 publicSaleEnd;
/// @notice Presale start timestamp
/// @dev new storage slot
uint64 presaleStart;
/// @notice Presale end timestamp
uint64 presaleEnd;
/// @notice Presale merkle root
bytes32 presaleMerkleRoot;
}
/// @notice Return value for sales details to use with front-ends
struct SaleDetails {
// Synthesized status variables for sale and presale
bool publicSaleActive;
bool presaleActive;
// Price for public sale
uint256 publicSalePrice;
// Timed sale actions for public sale
uint64 publicSaleStart;
uint64 publicSaleEnd;
// Timed sale actions for presale
uint64 presaleStart;
uint64 presaleEnd;
// Merkle root (includes address, quantity, and price data for each entry)
bytes32 presaleMerkleRoot;
// Limit public sale to a specific number of mints per wallet
uint256 maxSalePurchasePerAddress;
// Information about the rest of the supply
// Total that have been minted
uint256 totalMinted;
// The total supply available
uint256 maxSupply;
}
/// @notice Return value for sales details to use with front-ends
struct ERC20SaleDetails {
/// @notice Synthesized status variables for sale
bool publicSaleActive;
/// @notice Synthesized status variables for presale
bool presaleActive;
/// @notice Price for public sale
uint256 publicSalePrice;
/// @notice ERC20 contract address for payment. address(0) for ETH.
address erc20PaymentToken;
/// @notice public sale start
uint64 publicSaleStart;
/// @notice public sale end
uint64 publicSaleEnd;
/// @notice Timed sale actions for presale start
uint64 presaleStart;
/// @notice Timed sale actions for presale end
uint64 presaleEnd;
/// @notice Merkle root (includes address, quantity, and price data for each entry)
bytes32 presaleMerkleRoot;
/// @notice Limit public sale to a specific number of mints per wallet
uint256 maxSalePurchasePerAddress;
/// @notice Total that have been minted
uint256 totalMinted;
/// @notice The total supply available
uint256 maxSupply;
}
/// @notice Return type of specific mint counts and details per address
struct AddressMintDetails {
/// Number of total mints from the given address
uint256 totalMints;
/// Number of presale mints from the given address
uint256 presaleMints;
/// Number of public mints from the given address
uint256 publicMints;
}
/// @notice External purchase function (payable in eth)
/// @param quantity to purchase
/// @return first minted token ID
function purchase(uint256 quantity) external payable returns (uint256);
/// @notice External purchase presale function (takes a merkle proof and matches to root) (payable in eth)
/// @param quantity to purchase
/// @param maxQuantity can purchase (verified by merkle root)
/// @param pricePerToken price per token allowed (verified by merkle root)
/// @param merkleProof input for merkle proof leaf verified by merkle root
/// @return first minted token ID
function purchasePresale(
uint256 quantity,
uint256 maxQuantity,
uint256 pricePerToken,
bytes32[] memory merkleProof
) external payable returns (uint256);
/// @notice Function to return the global sales details for the given drop
function saleDetails() external view returns (ERC20SaleDetails memory);
/// @notice Function to return the specific sales details for a given address
/// @param minter address for minter to return mint information for
function mintedPerAddress(address minter)
external
view
returns (AddressMintDetails memory);
/// @notice This is the opensea/public owner setting that can be set by the contract admin
function owner() external view returns (address);
/// @notice Update the metadata renderer
/// @param newRenderer new address for renderer
/// @param setupRenderer data to call to bootstrap data for the new renderer (optional)
function setMetadataRenderer(
IMetadataRenderer newRenderer,
bytes memory setupRenderer
) external;
/// @notice This is an admin mint function to mint a quantity to a specific address
/// @param to address to mint to
/// @param quantity quantity to mint
/// @return the id of the first minted NFT
function adminMint(address to, uint256 quantity) external returns (uint256);
/// @notice This is an admin mint function to mint a single nft each to a list of addresses
/// @param to list of addresses to mint an NFT each to
/// @return the id of the first minted NFT
function adminMintAirdrop(address[] memory to) external returns (uint256);
/// @dev Getter for admin role associated with the contract to handle metadata
/// @return boolean if address is admin
function isAdmin(address user) external view returns (bool);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;
interface IMetadataRenderer {
function tokenURI(uint256) external view returns (string memory);
function contractURI() external view returns (string memory);
function initializeWithData(bytes memory initData) external;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;
/**
* @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.
*
* This ownership interface matches OZ's ownable interface.
*
*/
interface IOwnable {
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
/**
* @dev Returns the address of the current owner.
*/
function owner() external view returns (address);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;
import {IERC721Drop} from "../interfaces/IERC721Drop.sol";
contract ERC721DropStorageV1 {
/// @notice Configuration for NFT minting contract storage
IERC721Drop.Configuration public config;
/// @notice Sales configuration
IERC721Drop.ERC20SalesConfiguration public salesConfig;
/// @dev Mapping for presale mint counts by address to allow public mint limit
mapping(address => uint256) public presaleMintsByAddress;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;
/**
* @notice This allows this contract to receive native currency funds from other contracts
* Uses event logging for UI reasons.
*/
contract FundsReceiver {
event FundsReceived(address indexed source, uint256 amount);
receive() external payable {
emit FundsReceived(msg.sender, msg.value);
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;
import {IOwnable} from "../interfaces/IOwnable.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.
*
* This ownership interface matches OZ's ownable interface.
*/
contract OwnableSkeleton is IOwnable {
address private _owner;
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
function _setOwner(address newAddress) internal {
emit OwnershipTransferred(_owner, newAddress);
_owner = newAddress;
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;
contract Version {
uint32 private immutable __version;
/// @notice The version of the contract
/// @return The version ID of this contract implementation
function contractVersion() external view returns (uint32) {
return __version;
}
constructor(uint32 version) {
__version = version;
}
}{
"optimizer": {
"enabled": true,
"runs": 200
},
"evmVersion": "london",
"remappings": [
":@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
":@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
":ERC721A-Upgradeable/=lib/ERC721A-Upgradeable/contracts/",
":base64/=lib/base64/",
":ds-test/=lib/ds-test/src/",
":erc721a-upgradeable/=lib/ERC721A-Upgradeable/contracts/",
":forge-std/=lib/forge-std/src/",
":openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
":openzeppelin-contracts/=lib/openzeppelin-contracts/",
":src/=src/",
":test/=test/"
],
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
}
}Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
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Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000909e9efe4d87d1a6018c2065ae642b6d0447bc91
-----Decoded View---------------
Arg [0] : _zoraERC721TransferHelper (address): 0x909e9efE4D87d1a6018C2065aE642b6D0447bc91
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000909e9efe4d87d1a6018c2065ae642b6d0447bc91
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Multichain Portfolio | 30 Chains
| Chain | Token | Portfolio % | Price | Amount | Value |
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.