Contract Name:
ERC1155LazyPayableClaim
Contract Source Code:
// SPDX-License-Identifier: MIT
// solhint-disable reason-string
pragma solidity ^0.8.0;
import "@manifoldxyz/creator-core-solidity/contracts/core/IERC1155CreatorCore.sol";
import "@manifoldxyz/creator-core-solidity/contracts/extensions/ICreatorExtensionTokenURI.sol";
import "@openzeppelin/contracts/utils/introspection/IERC165.sol";
import "./LazyPayableClaim.sol";
import "./IERC1155LazyPayableClaim.sol";
/**
* @title Lazy Payable Claim
* @author manifold.xyz
* @notice Lazy claim with optional whitelist ERC1155 tokens
*/
contract ERC1155LazyPayableClaim is IERC165, IERC1155LazyPayableClaim, ICreatorExtensionTokenURI, LazyPayableClaim {
using Strings for uint256;
// stores mapping from tokenId to the claim it represents
// { contractAddress => { tokenId => Claim } }
mapping(address => mapping(uint256 => Claim)) private _claims;
// { contractAddress => { tokenId => { claimIndex } }
mapping(address => mapping(uint256 => uint256)) private _claimTokenIds;
function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, AdminControl) returns (bool) {
return interfaceId == type(IERC1155LazyPayableClaim).interfaceId ||
interfaceId == type(ILazyPayableClaim).interfaceId ||
interfaceId == type(ICreatorExtensionTokenURI).interfaceId ||
interfaceId == type(IAdminControl).interfaceId ||
interfaceId == type(IERC165).interfaceId;
}
constructor(address delegationRegistry) LazyPayableClaim(delegationRegistry) {}
/**
* See {IERC1155LazyClaim-initializeClaim}.
*/
function initializeClaim(
address creatorContractAddress,
uint256 claimIndex,
ClaimParameters calldata claimParameters
) external override creatorAdminRequired(creatorContractAddress) {
// Revert if claim at claimIndex already exists
require(_claims[creatorContractAddress][claimIndex].storageProtocol == StorageProtocol.INVALID, "Claim already initialized");
// Sanity checks
require(claimParameters.storageProtocol != StorageProtocol.INVALID, "Cannot initialize with invalid storage protocol");
require(claimParameters.endDate == 0 || claimParameters.startDate < claimParameters.endDate, "Cannot have startDate greater than or equal to endDate");
require(claimParameters.merkleRoot == "" || claimParameters.walletMax == 0, "Cannot provide both walletMax and merkleRoot");
address[] memory receivers = new address[](1);
receivers[0] = msg.sender;
string[] memory uris = new string[](1);
uint256[] memory amounts = new uint256[](1);
uint256[] memory newTokenIds = IERC1155CreatorCore(creatorContractAddress).mintExtensionNew(receivers, amounts, uris);
// Create the claim
_claims[creatorContractAddress][claimIndex] = Claim({
total: 0,
totalMax: claimParameters.totalMax,
walletMax: claimParameters.walletMax,
startDate: claimParameters.startDate,
endDate: claimParameters.endDate,
storageProtocol: claimParameters.storageProtocol,
merkleRoot: claimParameters.merkleRoot,
location: claimParameters.location,
tokenId: newTokenIds[0],
cost: claimParameters.cost,
paymentReceiver: claimParameters.paymentReceiver,
erc20: claimParameters.erc20
});
_claimTokenIds[creatorContractAddress][newTokenIds[0]] = claimIndex;
emit ClaimInitialized(creatorContractAddress, claimIndex, msg.sender);
}
/**
* See {IERC1155LazyClaim-updateClaim}.
*/
function updateClaim(
address creatorContractAddress,
uint256 claimIndex,
ClaimParameters memory claimParameters
) external override creatorAdminRequired(creatorContractAddress) {
Claim memory claim = _claims[creatorContractAddress][claimIndex];
require(claim.storageProtocol != StorageProtocol.INVALID, "Claim not initialized");
require(claimParameters.storageProtocol != StorageProtocol.INVALID, "Cannot set invalid storage protocol");
require(claimParameters.endDate == 0 || claimParameters.startDate < claimParameters.endDate, "Cannot have startDate greater than or equal to endDate");
require(claimParameters.erc20 == claim.erc20, "Cannot change payment token");
if (claimParameters.totalMax != 0 && claim.total > claimParameters.totalMax) {
claimParameters.totalMax = claim.total;
}
// Overwrite the existing claim
_claims[creatorContractAddress][claimIndex] = Claim({
total: claim.total,
totalMax: claimParameters.totalMax,
walletMax: claimParameters.walletMax,
startDate: claimParameters.startDate,
endDate: claimParameters.endDate,
storageProtocol: claimParameters.storageProtocol,
merkleRoot: claimParameters.merkleRoot,
location: claimParameters.location,
tokenId: claim.tokenId,
cost: claimParameters.cost,
paymentReceiver: claimParameters.paymentReceiver,
erc20: claimParameters.erc20
});
emit ClaimUpdated(creatorContractAddress, claimIndex);
}
/**
* See {IERC1155LazyClaim-updateTokenURIParams}.
*/
function updateTokenURIParams(
address creatorContractAddress, uint256 claimIndex,
StorageProtocol storageProtocol,
string calldata location
) external override creatorAdminRequired(creatorContractAddress) {
Claim storage claim = _claims[creatorContractAddress][claimIndex];
require(claim.storageProtocol != StorageProtocol.INVALID, "Claim not initialized");
require(storageProtocol != StorageProtocol.INVALID, "Cannot set invalid storage protocol");
claim.storageProtocol = storageProtocol;
claim.location = location;
emit ClaimUpdated(creatorContractAddress, claimIndex);
}
/**
* See {IERC1155LazyClaim-getClaim}.
*/
function getClaim(address creatorContractAddress, uint256 claimIndex) public override view returns(Claim memory claim) {
return _getClaim(creatorContractAddress, claimIndex);
}
function _getClaim(address creatorContractAddress, uint256 claimIndex) private view returns(Claim storage claim) {
claim = _claims[creatorContractAddress][claimIndex];
require(claim.storageProtocol != StorageProtocol.INVALID, "Claim not initialized");
}
/**
* See {ILazyPayableClaim-checkMintIndex}.
*/
function checkMintIndex(address creatorContractAddress, uint256 claimIndex, uint32 mintIndex) external override view returns(bool) {
Claim memory claim = getClaim(creatorContractAddress, claimIndex);
return _checkMintIndex(creatorContractAddress, claimIndex, claim.merkleRoot, mintIndex);
}
/**
* See {ILazyPayableClaim-checkMintIndices}.
*/
function checkMintIndices(address creatorContractAddress, uint256 claimIndex, uint32[] calldata mintIndices) external override view returns(bool[] memory minted) {
Claim memory claim = getClaim(creatorContractAddress, claimIndex);
uint256 mintIndicesLength = mintIndices.length;
minted = new bool[](mintIndices.length);
for (uint256 i; i < mintIndicesLength;) {
minted[i] = _checkMintIndex(creatorContractAddress, claimIndex, claim.merkleRoot, mintIndices[i]);
unchecked{ ++i; }
}
}
/**
* See {ILazyPayableClaim-getTotalMints}.
*/
function getTotalMints(address minter, address creatorContractAddress, uint256 claimIndex) external override view returns(uint32) {
Claim memory claim = getClaim(creatorContractAddress, claimIndex);
return _getTotalMints(claim.walletMax, minter, creatorContractAddress, claimIndex);
}
/**
* See {ILazyPayableClaim-mint}.
*/
function mint(address creatorContractAddress, uint256 claimIndex, uint32 mintIndex, bytes32[] calldata merkleProof, address mintFor) external payable override {
Claim storage claim = _getClaim(creatorContractAddress, claimIndex);
// Check totalMax
require(++claim.total <= claim.totalMax || claim.totalMax == 0, "Maximum tokens already minted for this claim");
// Validate mint
_validateMint(creatorContractAddress, claimIndex, claim.startDate, claim.endDate, claim.walletMax, claim.merkleRoot, mintIndex, merkleProof, mintFor);
// Transfer funds
_transferFunds(claim.erc20, claim.cost, claim.paymentReceiver, 1, claim.merkleRoot != "");
// Do mint
address[] memory recipients = new address[](1);
recipients[0] = msg.sender;
uint256[] memory amounts = new uint256[](1);
amounts[0] = 1;
_mintClaim(creatorContractAddress, claim, recipients, amounts);
emit ClaimMint(creatorContractAddress, claimIndex);
}
/**
* See {ILazyPayableClaim-mintBatch}.
*/
function mintBatch(address creatorContractAddress, uint256 claimIndex, uint16 mintCount, uint32[] calldata mintIndices, bytes32[][] calldata merkleProofs, address mintFor) external payable override {
Claim storage claim = _getClaim(creatorContractAddress, claimIndex);
// Check totalMax
claim.total += mintCount;
require(claim.totalMax == 0 || claim.total <= claim.totalMax, "Too many requested for this claim");
// Validate mint
_validateMint(creatorContractAddress, claimIndex, claim.startDate, claim.endDate, claim.walletMax, claim.merkleRoot, mintCount, mintIndices, merkleProofs, mintFor);
// Transfer funds
_transferFunds(claim.erc20, claim.cost, claim.paymentReceiver, mintCount, claim.merkleRoot != "");
// Do mint
address[] memory recipients = new address[](1);
recipients[0] = msg.sender;
uint256[] memory amounts = new uint256[](1);
amounts[0] = mintCount;
_mintClaim(creatorContractAddress, claim, recipients, amounts);
emit ClaimMintBatch(creatorContractAddress, claimIndex, mintCount);
}
/**
* See {ILazyPayableClaim-mintProxy}.
*/
function mintProxy(address creatorContractAddress, uint256 claimIndex, uint16 mintCount, uint32[] calldata mintIndices, bytes32[][] calldata merkleProofs, address mintFor) external payable override {
Claim storage claim = _getClaim(creatorContractAddress, claimIndex);
// Check totalMax
claim.total += mintCount;
require(claim.totalMax == 0 || claim.total <= claim.totalMax, "Too many requested for this claim");
// Validate mint
_validateMintProxy(creatorContractAddress, claimIndex, claim.startDate, claim.endDate, claim.walletMax, claim.merkleRoot, mintCount, mintIndices, merkleProofs, mintFor);
// Transfer funds
_transferFundsProxy(claim.erc20, claim.cost, claim.paymentReceiver, mintCount, claim.merkleRoot != "");
// Do mint
address[] memory recipients = new address[](1);
recipients[0] = mintFor;
uint256[] memory amounts = new uint256[](1);
amounts[0] = mintCount;
_mintClaim(creatorContractAddress, claim, recipients, amounts);
emit ClaimMintProxy(creatorContractAddress, claimIndex, mintCount, msg.sender, mintFor);
}
/**
* See {IERC1155LazyPayableClaim-airdrop}.
*/
function airdrop(address creatorContractAddress, uint256 claimIndex, address[] calldata recipients,
uint256[] calldata amounts) external override creatorAdminRequired(creatorContractAddress) {
require(recipients.length == amounts.length, "Unequal number of recipients and amounts provided");
// Fetch the claim
Claim storage claim = _claims[creatorContractAddress][claimIndex];
uint256 totalAmount;
for (uint256 i; i < amounts.length;) {
totalAmount += amounts[i];
unchecked{ ++i; }
}
require(totalAmount <= MAX_UINT_32, "Too many requested");
claim.total += uint32(totalAmount);
if (claim.totalMax != 0 && claim.total > claim.totalMax) {
claim.totalMax = claim.total;
}
// Airdrop the tokens
_mintClaim(creatorContractAddress, claim, recipients, amounts);
}
/**
* Mint a claim
*/
function _mintClaim(address creatorContractAddress, Claim storage claim, address[] memory recipients, uint256[] memory amounts) private {
uint256[] memory tokenIds = new uint256[](1);
tokenIds[0] = claim.tokenId;
IERC1155CreatorCore(creatorContractAddress).mintExtensionExisting(recipients, tokenIds, amounts);
}
/**
* See {ICreatorExtensionTokenURI-tokenURI}.
*/
function tokenURI(address creatorContractAddress, uint256 tokenId) external override view returns(string memory uri) {
uint224 tokenClaim = uint224(_claimTokenIds[creatorContractAddress][tokenId]);
require(tokenClaim > 0, "Token does not exist");
Claim memory claim = _claims[creatorContractAddress][tokenClaim];
string memory prefix = "";
if (claim.storageProtocol == StorageProtocol.ARWEAVE) {
prefix = ARWEAVE_PREFIX;
} else if (claim.storageProtocol == StorageProtocol.IPFS) {
prefix = IPFS_PREFIX;
}
uri = string(abi.encodePacked(prefix, claim.location));
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/// @author: manifold.xyz
import "./IERC721LazyPayableClaim.sol";
/**
* Lazy Claim interface
*/
interface IERC1155LazyPayableClaim is ILazyPayableClaim {
struct ClaimParameters {
uint32 totalMax;
uint32 walletMax;
uint48 startDate;
uint48 endDate;
StorageProtocol storageProtocol;
bytes32 merkleRoot;
string location;
uint256 cost;
address payable paymentReceiver;
address erc20;
}
struct Claim {
uint32 total;
uint32 totalMax;
uint32 walletMax;
uint48 startDate;
uint48 endDate;
StorageProtocol storageProtocol;
bytes32 merkleRoot;
string location;
uint256 tokenId;
uint256 cost;
address payable paymentReceiver;
address erc20;
}
/**
* @notice initialize a new claim, emit initialize event, and return the newly created index
* @param creatorContractAddress the creator contract the claim will mint tokens for
* @param claimIndex the index of the claim in the list of creatorContractAddress' _claims
* @param claimParameters the parameters which will affect the minting behavior of the claim
*/
function initializeClaim(address creatorContractAddress, uint256 claimIndex, ClaimParameters calldata claimParameters) external;
/**
* @notice update an existing claim at claimIndex
* @param creatorContractAddress the creator contract corresponding to the claim
* @param claimIndex the index of the claim in the list of creatorContractAddress' _claims
* @param claimParameters the parameters which will affect the minting behavior of the claim
*/
function updateClaim(address creatorContractAddress, uint256 claimIndex, ClaimParameters calldata claimParameters) external;
/**
* @notice update tokenURI parameters for an existing claim at claimIndex
* @param creatorContractAddress the creator contract corresponding to the claim
* @param claimIndex the index of the claim in the list of creatorContractAddress' _claims
* @param storageProtocol the new storage protocol
* @param location the new location
*/
function updateTokenURIParams(address creatorContractAddress, uint256 claimIndex, StorageProtocol storageProtocol, string calldata location) external;
/**
* @notice get a claim corresponding to a creator contract and index
* @param creatorContractAddress the address of the creator contract
* @param claimIndex the index of the claim
* @return the claim object
*/
function getClaim(address creatorContractAddress, uint256 claimIndex) external view returns(Claim memory);
/**
* @notice allow admin to airdrop arbitrary tokens
* @param creatorContractAddress the creator contract the claim will mint tokens for
* @param claimIndex the index of the claim in the list of creatorContractAddress' _claims
* @param recipients addresses to airdrop to
* @param amounts number of tokens to airdrop to each address in addresses
*/
function airdrop(address creatorContractAddress, uint256 claimIndex, address[] calldata recipients, uint256[] calldata amounts) external;
}
// SPDX-License-Identifier: MIT
// solhint-disable reason-string
pragma solidity ^0.8.0;
import "@manifoldxyz/libraries-solidity/contracts/access/AdminControl.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol";
import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
import "@openzeppelin/contracts/utils/Strings.sol";
import "../../libraries/delegation-registry/IDelegationRegistry.sol";
import "../../libraries/manifold-membership/IManifoldMembership.sol";
import "./ILazyPayableClaim.sol";
/**
* @title Lazy Payable Claim
* @author manifold.xyz
* @notice Lazy payable claim with optional whitelist ERC721 tokens
*/
abstract contract LazyPayableClaim is ILazyPayableClaim, AdminControl {
using EnumerableSet for EnumerableSet.AddressSet;
string internal constant ARWEAVE_PREFIX = "https://arweave.net/";
string internal constant IPFS_PREFIX = "ipfs://";
uint256 internal constant MINT_INDEX_BITMASK = 0xFF;
// solhint-disable-next-line
address public immutable DELEGATION_REGISTRY;
uint256 public constant MINT_FEE = 500000000000000;
uint256 public constant MINT_FEE_MERKLE = 690000000000000;
address public MEMBERSHIP_ADDRESS;
uint256 internal constant MAX_UINT_32 = 0xffffffff;
uint256 internal constant MAX_UINT_256 = 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff;
address private constant ADDRESS_ZERO = 0x0000000000000000000000000000000000000000;
// ONLY USED FOR NON-MERKLE MINTS: stores the number of tokens minted per wallet per claim, in order to limit maximum
// { contractAddress => { claimIndex => { walletAddress => walletMints } } }
mapping(address => mapping(uint256 => mapping(address => uint256))) internal _mintsPerWallet;
// ONLY USED FOR MERKLE MINTS: stores mapping from claim to indices minted
// { contractAddress => {claimIndex => { claimIndexOffset => index } } }
mapping(address => mapping(uint256 => mapping(uint256 => uint256))) internal _claimMintIndices;
EnumerableSet.AddressSet private _proxyAddresses;
/**
* @notice This extension is shared, not single-creator. So we must ensure
* that a claim's initializer is an admin on the creator contract
* @param creatorContractAddress the address of the creator contract to check the admin against
*/
modifier creatorAdminRequired(address creatorContractAddress) {
AdminControl creatorCoreContract = AdminControl(creatorContractAddress);
require(creatorCoreContract.isAdmin(msg.sender), "Wallet is not an administrator for contract");
_;
}
constructor(address delegationRegistry) {
DELEGATION_REGISTRY = delegationRegistry;
}
/**
* See {ILazyPayableClaim-withdraw}.
*/
function withdraw(address payable receiver, uint256 amount) external override adminRequired {
(bool sent, ) = receiver.call{value: amount}("");
require(sent, "Failed to transfer to receiver");
}
/**
* See {ILazyPayableClaim-setMembershipAddress}.
*/
function setMembershipAddress(address membershipAddress) external override adminRequired {
MEMBERSHIP_ADDRESS = membershipAddress;
}
/**
* See {ILazyPayableClaim-addMintProxyAddresses}.
*/
function addMintProxyAddresses(address[] calldata proxyAddresses) external override adminRequired {
for (uint256 i; i < proxyAddresses.length;) {
_proxyAddresses.add(proxyAddresses[i]);
unchecked { ++i; }
}
}
/**
* See {ILazyPayableClaim-removeMintProxyAddresses}.
*/
function removeMintProxyAddresses(address[] calldata proxyAddresses) external override adminRequired {
for (uint256 i; i < proxyAddresses.length;) {
_proxyAddresses.remove(proxyAddresses[i]);
unchecked { ++i; }
}
}
function _transferFunds(address erc20, uint256 cost, address payable recipient, uint16 mintCount, bool merkle) internal {
uint256 payableCost;
if (erc20 != ADDRESS_ZERO) {
require(IERC20(erc20).transferFrom(msg.sender, recipient, cost*mintCount), "Insufficient funds");
} else {
payableCost = cost;
}
if (MEMBERSHIP_ADDRESS != ADDRESS_ZERO) {
if (!IManifoldMembership(MEMBERSHIP_ADDRESS).isActiveMember(msg.sender)) {
payableCost += merkle ? MINT_FEE_MERKLE : MINT_FEE;
}
} else {
payableCost += merkle ? MINT_FEE_MERKLE : MINT_FEE;
}
if (mintCount > 1) {
payableCost *= mintCount;
cost *= mintCount;
}
// Check price
require(msg.value >= payableCost, "Invalid amount");
if (erc20 == ADDRESS_ZERO && cost != 0) {
// solhint-disable-next-line
(bool sent, ) = recipient.call{value: cost}("");
require(sent, "Failed to transfer to receiver");
}
}
function _transferFundsProxy(address erc20, uint256 cost, address payable recipient, uint16 mintCount, bool merkle) internal {
require(erc20 == address(0) && _proxyAddresses.contains(msg.sender), "Not approved");
uint256 payableCost = cost + (merkle ? MINT_FEE_MERKLE : MINT_FEE);
if (mintCount > 1) {
payableCost *= mintCount;
cost *= mintCount;
}
// Check price
require(msg.value == payableCost, "Invalid amount");
if (cost != 0) {
// solhint-disable-next-line
(bool sent, ) = recipient.call{value: cost}("");
require(sent, "Failed to transfer to receiver");
}
}
function _checkMintIndex(address creatorContractAddress, uint256 claimIndex, bytes32 merkleRoot, uint32 mintIndex) internal view returns (bool) {
uint256 claimMintIndex = mintIndex >> 8;
require(merkleRoot != "", "Can only check merkle claims");
uint256 claimMintTracking = _claimMintIndices[creatorContractAddress][claimIndex][claimMintIndex];
uint256 mintBitmask = 1 << (mintIndex & MINT_INDEX_BITMASK);
return mintBitmask & claimMintTracking != 0;
}
function _validateMint(address creatorContractAddress, uint256 claimIndex, uint48 startDate, uint48 endDate, uint32 walletMax, bytes32 merkleRoot, uint32 mintIndex, bytes32[] calldata merkleProof, address mintFor) internal {
// Check timestamps
require(
(startDate <= block.timestamp) &&
(endDate == 0 || endDate >= block.timestamp),
"Claim inactive"
);
if (merkleRoot != "") {
// Merkle mint
_checkMerkleAndUpdate(msg.sender, creatorContractAddress, claimIndex, merkleRoot, mintIndex, merkleProof, mintFor);
} else {
require(mintFor == msg.sender, "Invalid input");
// Non-merkle mint
if (walletMax != 0) {
require(++_mintsPerWallet[creatorContractAddress][claimIndex][msg.sender] <= walletMax, "Maximum tokens already minted for this wallet");
}
}
}
function _validateMint(address creatorContractAddress, uint256 claimIndex, uint48 startDate, uint48 endDate, uint32 walletMax, bytes32 merkleRoot, uint16 mintCount, uint32[] calldata mintIndices, bytes32[][] calldata merkleProofs, address mintFor) internal {
// Check timestamps
require(
(startDate <= block.timestamp) &&
(endDate == 0 || endDate >= block.timestamp),
"Claim inactive"
);
if (merkleRoot != "") {
require(mintCount == mintIndices.length && mintCount == merkleProofs.length, "Invalid input");
// Merkle mint
for (uint256 i; i < mintCount;) {
_checkMerkleAndUpdate(msg.sender, creatorContractAddress, claimIndex, merkleRoot, mintIndices[i], merkleProofs[i], mintFor);
unchecked { ++i; }
}
} else {
require(mintFor == msg.sender, "Invalid input");
// Non-merkle mint
if (walletMax != 0) {
_mintsPerWallet[creatorContractAddress][claimIndex][mintFor] += mintCount;
require(_mintsPerWallet[creatorContractAddress][claimIndex][mintFor] <= walletMax, "Too many requested for this wallet");
}
}
}
function _validateMintProxy(address creatorContractAddress, uint256 claimIndex, uint48 startDate, uint48 endDate, uint32 walletMax, bytes32 merkleRoot, uint16 mintCount, uint32[] calldata mintIndices, bytes32[][] calldata merkleProofs, address mintFor) internal {
// Check timestamps
require(
(startDate <= block.timestamp) &&
(endDate == 0 || endDate >= block.timestamp),
"Claim inactive"
);
if (merkleRoot != "") {
require(mintCount == mintIndices.length && mintCount == merkleProofs.length, "Invalid input");
// Merkle mint
for (uint256 i; i < mintCount;) {
// Proxy mints treat the mintFor as the transaction sender
_checkMerkleAndUpdate(mintFor, creatorContractAddress, claimIndex, merkleRoot, mintIndices[i], merkleProofs[i], mintFor);
unchecked { ++i; }
}
} else {
// Non-merkle mint
if (walletMax != 0) {
_mintsPerWallet[creatorContractAddress][claimIndex][mintFor] += mintCount;
require(_mintsPerWallet[creatorContractAddress][claimIndex][mintFor] <= walletMax, "Too many requested for this wallet");
}
}
}
function _checkMerkleAndUpdate(address sender, address creatorContractAddress, uint256 claimIndex, bytes32 merkleRoot, uint32 mintIndex, bytes32[] memory merkleProof, address mintFor) private {
// Merkle mint
bytes32 leaf;
if (mintFor == sender) {
leaf = keccak256(abi.encodePacked(sender, mintIndex));
} else {
// Direct verification failed, try delegate verification
IDelegationRegistry dr = IDelegationRegistry(DELEGATION_REGISTRY);
require(dr.checkDelegateForContract(sender, mintFor, address(this)), "Invalid delegate");
leaf = keccak256(abi.encodePacked(mintFor, mintIndex));
}
require(MerkleProof.verify(merkleProof, merkleRoot, leaf), "Could not verify merkle proof");
// Check if mintIndex has been minted
uint256 claimMintIndex = mintIndex >> 8;
uint256 claimMintTracking = _claimMintIndices[creatorContractAddress][claimIndex][claimMintIndex];
uint256 mintBitmask = 1 << (mintIndex & MINT_INDEX_BITMASK);
require(mintBitmask & claimMintTracking == 0, "Already minted");
_claimMintIndices[creatorContractAddress][claimIndex][claimMintIndex] = claimMintTracking | mintBitmask;
}
function _getTotalMints(uint32 walletMax, address minter, address creatorContractAddress, uint256 claimIndex) internal view returns(uint32) {
require(walletMax != 0, "Can only retrieve for non-merkle claims with walletMax");
return uint32(_mintsPerWallet[creatorContractAddress][claimIndex][minter]);
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[EIP].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165 {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/// @author: manifold.xyz
import "@openzeppelin/contracts/utils/introspection/IERC165.sol";
/**
* @dev Implement this if you want your extension to have overloadable URI's
*/
interface ICreatorExtensionTokenURI is IERC165 {
/**
* Get the uri for a given creator/tokenId
*/
function tokenURI(address creator, uint256 tokenId) external view returns (string memory);
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/// @author: manifold.xyz
import "./CreatorCore.sol";
/**
* @dev Core ERC1155 creator interface
*/
interface IERC1155CreatorCore is ICreatorCore {
/**
* @dev mint a token with no extension. Can only be called by an admin.
*
* @param to - Can be a single element array (all tokens go to same address) or multi-element array (single token to many recipients)
* @param amounts - Can be a single element array (all recipients get the same amount) or a multi-element array
* @param uris - If no elements, all tokens use the default uri.
* If any element is an empty string, the corresponding token uses the default uri.
*
*
* Requirements: If to is a multi-element array, then uris must be empty or single element array
* If to is a multi-element array, then amounts must be a single element array or a multi-element array of the same size
* If to is a single element array, uris must be empty or the same length as amounts
*
* Examples:
* mintBaseNew(['0x....1', '0x....2'], [1], [])
* Mints a single new token, and gives 1 each to '0x....1' and '0x....2'. Token uses default uri.
*
* mintBaseNew(['0x....1', '0x....2'], [1, 2], [])
* Mints a single new token, and gives 1 to '0x....1' and 2 to '0x....2'. Token uses default uri.
*
* mintBaseNew(['0x....1'], [1, 2], ["", "http://token2.com"])
* Mints two new tokens to '0x....1'. 1 of the first token, 2 of the second. 1st token uses default uri, second uses "http://token2.com".
*
* @return Returns list of tokenIds minted
*/
function mintBaseNew(address[] calldata to, uint256[] calldata amounts, string[] calldata uris) external returns (uint256[] memory);
/**
* @dev batch mint existing token with no extension. Can only be called by an admin.
*
* @param to - Can be a single element array (all tokens go to same address) or multi-element array (single token to many recipients)
* @param tokenIds - Can be a single element array (all recipients get the same token) or a multi-element array
* @param amounts - Can be a single element array (all recipients get the same amount) or a multi-element array
*
* Requirements: If any of the parameters are multi-element arrays, they need to be the same length as other multi-element arrays
*
* Examples:
* mintBaseExisting(['0x....1', '0x....2'], [1], [10])
* Mints 10 of tokenId 1 to each of '0x....1' and '0x....2'.
*
* mintBaseExisting(['0x....1', '0x....2'], [1, 2], [10, 20])
* Mints 10 of tokenId 1 to '0x....1' and 20 of tokenId 2 to '0x....2'.
*
* mintBaseExisting(['0x....1'], [1, 2], [10, 20])
* Mints 10 of tokenId 1 and 20 of tokenId 2 to '0x....1'.
*
* mintBaseExisting(['0x....1', '0x....2'], [1], [10, 20])
* Mints 10 of tokenId 1 to '0x....1' and 20 of tokenId 1 to '0x....2'.
*
*/
function mintBaseExisting(address[] calldata to, uint256[] calldata tokenIds, uint256[] calldata amounts) external;
/**
* @dev mint a token from an extension. Can only be called by a registered extension.
*
* @param to - Can be a single element array (all tokens go to same address) or multi-element array (single token to many recipients)
* @param amounts - Can be a single element array (all recipients get the same amount) or a multi-element array
* @param uris - If no elements, all tokens use the default uri.
* If any element is an empty string, the corresponding token uses the default uri.
*
*
* Requirements: If to is a multi-element array, then uris must be empty or single element array
* If to is a multi-element array, then amounts must be a single element array or a multi-element array of the same size
* If to is a single element array, uris must be empty or the same length as amounts
*
* Examples:
* mintExtensionNew(['0x....1', '0x....2'], [1], [])
* Mints a single new token, and gives 1 each to '0x....1' and '0x....2'. Token uses default uri.
*
* mintExtensionNew(['0x....1', '0x....2'], [1, 2], [])
* Mints a single new token, and gives 1 to '0x....1' and 2 to '0x....2'. Token uses default uri.
*
* mintExtensionNew(['0x....1'], [1, 2], ["", "http://token2.com"])
* Mints two new tokens to '0x....1'. 1 of the first token, 2 of the second. 1st token uses default uri, second uses "http://token2.com".
*
* @return Returns list of tokenIds minted
*/
function mintExtensionNew(address[] calldata to, uint256[] calldata amounts, string[] calldata uris) external returns (uint256[] memory);
/**
* @dev batch mint existing token from extension. Can only be called by a registered extension.
*
* @param to - Can be a single element array (all tokens go to same address) or multi-element array (single token to many recipients)
* @param tokenIds - Can be a single element array (all recipients get the same token) or a multi-element array
* @param amounts - Can be a single element array (all recipients get the same amount) or a multi-element array
*
* Requirements: If any of the parameters are multi-element arrays, they need to be the same length as other multi-element arrays
*
* Examples:
* mintExtensionExisting(['0x....1', '0x....2'], [1], [10])
* Mints 10 of tokenId 1 to each of '0x....1' and '0x....2'.
*
* mintExtensionExisting(['0x....1', '0x....2'], [1, 2], [10, 20])
* Mints 10 of tokenId 1 to '0x....1' and 20 of tokenId 2 to '0x....2'.
*
* mintExtensionExisting(['0x....1'], [1, 2], [10, 20])
* Mints 10 of tokenId 1 and 20 of tokenId 2 to '0x....1'.
*
* mintExtensionExisting(['0x....1', '0x....2'], [1], [10, 20])
* Mints 10 of tokenId 1 to '0x....1' and 20 of tokenId 1 to '0x....2'.
*
*/
function mintExtensionExisting(address[] calldata to, uint256[] calldata tokenIds, uint256[] calldata amounts) external;
/**
* @dev burn tokens. Can only be called by token owner or approved address.
* On burn, calls back to the registered extension's onBurn method
*/
function burn(address account, uint256[] calldata tokenIds, uint256[] calldata amounts) external;
/**
* @dev Total amount of tokens in with a given tokenId.
*/
function totalSupply(uint256 tokenId) external view returns (uint256);
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/// @author: manifold.xyz
/**
* Lazy Payable Claim interface
*/
interface ILazyPayableClaim {
enum StorageProtocol { INVALID, NONE, ARWEAVE, IPFS }
event ClaimInitialized(address indexed creatorContract, uint256 indexed claimIndex, address initializer);
event ClaimUpdated(address indexed creatorContract, uint256 indexed claimIndex);
event ClaimMint(address indexed creatorContract, uint256 indexed claimIndex);
event ClaimMintBatch(address indexed creatorContract, uint256 indexed claimIndex, uint16 mintCount);
event ClaimMintProxy(address indexed creatorContract, uint256 indexed claimIndex, uint16 mintCount, address proxy, address mintFor);
/**
* @notice Withdraw funds
*/
function withdraw(address payable receiver, uint256 amount) external;
/**
* @notice Set the Manifold Membership address
*/
function setMembershipAddress(address membershipAddress) external;
/**
* @notice Add mint proxy addresses
*/
function addMintProxyAddresses(address[] calldata proxyAddresses) external;
/**
* @notice Remove mint proxy addresses
*/
function removeMintProxyAddresses(address[] calldata proxyAddresses) external;
/**
* @notice check if a mint index has been consumed or not (only for merkle claims)
*
* @param creatorContractAddress the address of the creator contract for the claim
* @param claimIndex the index of the claim
* @param mintIndex the mint index of the claim
* @return whether or not the mint index was consumed
*/
function checkMintIndex(address creatorContractAddress, uint256 claimIndex, uint32 mintIndex) external view returns(bool);
/**
* @notice check if multiple mint indices has been consumed or not (only for merkle claims)
*
* @param creatorContractAddress the address of the creator contract for the claim
* @param claimIndex the index of the claim
* @param mintIndices the mint index of the claim
* @return whether or not the mint index was consumed
*/
function checkMintIndices(address creatorContractAddress, uint256 claimIndex, uint32[] calldata mintIndices) external view returns(bool[] memory);
/**
* @notice get mints made for a wallet (only for non-merkle claims with walletMax)
*
* @param minter the address of the minting address
* @param creatorContractAddress the address of the creator contract for the claim
* @param claimIndex the index of the claim
* @return how many mints the minter has made
*/
function getTotalMints(address minter, address creatorContractAddress, uint256 claimIndex) external view returns(uint32);
/**
* @notice allow a wallet to lazily claim a token according to parameters
* @param creatorContractAddress the creator contract address
* @param claimIndex the index of the claim for which we will mint
* @param mintIndex the mint index (only needed for merkle claims)
* @param merkleProof if the claim has a merkleRoot, verifying merkleProof ensures that address + minterValue was used to construct it (only needed for merkle claims)
* @param mintFor mintFor must be the msg.sender or a delegate wallet address (in the case of merkle based mints)
*/
function mint(address creatorContractAddress, uint256 claimIndex, uint32 mintIndex, bytes32[] calldata merkleProof, address mintFor) external payable;
/**
* @notice allow a wallet to lazily claim a token according to parameters
* @param creatorContractAddress the creator contract address
* @param claimIndex the index of the claim for which we will mint
* @param mintCount the number of claims to mint
* @param mintIndices the mint index (only needed for merkle claims)
* @param merkleProofs if the claim has a merkleRoot, verifying merkleProof ensures that address + minterValue was used to construct it (only needed for merkle claims)
* @param mintFor mintFor must be the msg.sender or a delegate wallet address (in the case of merkle based mints)
*/
function mintBatch(address creatorContractAddress, uint256 claimIndex, uint16 mintCount, uint32[] calldata mintIndices, bytes32[][] calldata merkleProofs, address mintFor) external payable;
/**
* @notice allow a proxy to mint a token for another address (non-merkle mints only)
* @param creatorContractAddress the creator contract address
* @param claimIndex the index of the claim for which we will mint
* @param mintCount the number of claims to mint
* @param mintIndices the mint index (only needed for merkle claims)
* @param merkleProofs if the claim has a merkleRoot, verifying merkleProof ensures that address + minterValue was used to construct it (only needed for merkle claims)
* @param mintFor the address to mint for
*/
function mintProxy(address creatorContractAddress, uint256 claimIndex, uint16 mintCount, uint32[] calldata mintIndices, bytes32[][] calldata merkleProofs, address mintFor) external payable;
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/// @author: manifold.xyz
/**
* Manifold Membership interface
*/
interface IManifoldMembership {
function isActiveMember(address sender) external view returns (bool);
}
// SPDX-License-Identifier: CC0-1.0
pragma solidity ^0.8.9;
/**
* @title An immutable registry contract to be deployed as a standalone primitive
* @dev See EIP-5639, new project launches can read previous cold wallet -> hot wallet delegations
* from here and integrate those permissions into their flow
*/
interface IDelegationRegistry {
/// @notice Delegation type
enum DelegationType {
NONE,
ALL,
CONTRACT,
TOKEN
}
/// @notice Info about a single delegation, used for onchain enumeration
struct DelegationInfo {
DelegationType type_;
address vault;
address delegate;
address contract_;
uint256 tokenId;
}
/// @notice Info about a single contract-level delegation
struct ContractDelegation {
address contract_;
address delegate;
}
/// @notice Info about a single token-level delegation
struct TokenDelegation {
address contract_;
uint256 tokenId;
address delegate;
}
/// @notice Emitted when a user delegates their entire wallet
event DelegateForAll(address vault, address delegate, bool value);
/// @notice Emitted when a user delegates a specific contract
event DelegateForContract(address vault, address delegate, address contract_, bool value);
/// @notice Emitted when a user delegates a specific token
event DelegateForToken(address vault, address delegate, address contract_, uint256 tokenId, bool value);
/// @notice Emitted when a user revokes all delegations
event RevokeAllDelegates(address vault);
/// @notice Emitted when a user revoes all delegations for a given delegate
event RevokeDelegate(address vault, address delegate);
/**
* ----------- WRITE -----------
*/
/**
* @notice Allow the delegate to act on your behalf for all contracts
* @param delegate The hotwallet to act on your behalf
* @param value Whether to enable or disable delegation for this address, true for setting and false for revoking
*/
function delegateForAll(address delegate, bool value) external;
/**
* @notice Allow the delegate to act on your behalf for a specific contract
* @param delegate The hotwallet to act on your behalf
* @param contract_ The address for the contract you're delegating
* @param value Whether to enable or disable delegation for this address, true for setting and false for revoking
*/
function delegateForContract(address delegate, address contract_, bool value) external;
/**
* @notice Allow the delegate to act on your behalf for a specific token
* @param delegate The hotwallet to act on your behalf
* @param contract_ The address for the contract you're delegating
* @param tokenId The token id for the token you're delegating
* @param value Whether to enable or disable delegation for this address, true for setting and false for revoking
*/
function delegateForToken(address delegate, address contract_, uint256 tokenId, bool value) external;
/**
* @notice Revoke all delegates
*/
function revokeAllDelegates() external;
/**
* @notice Revoke a specific delegate for all their permissions
* @param delegate The hotwallet to revoke
*/
function revokeDelegate(address delegate) external;
/**
* @notice Remove yourself as a delegate for a specific vault
* @param vault The vault which delegated to the msg.sender, and should be removed
*/
function revokeSelf(address vault) external;
/**
* ----------- READ -----------
*/
/**
* @notice Returns all active delegations a given delegate is able to claim on behalf of
* @param delegate The delegate that you would like to retrieve delegations for
* @return info Array of DelegationInfo structs
*/
function getDelegationsByDelegate(address delegate) external view returns (DelegationInfo[] memory);
/**
* @notice Returns an array of wallet-level delegates for a given vault
* @param vault The cold wallet who issued the delegation
* @return addresses Array of wallet-level delegates for a given vault
*/
function getDelegatesForAll(address vault) external view returns (address[] memory);
/**
* @notice Returns an array of contract-level delegates for a given vault and contract
* @param vault The cold wallet who issued the delegation
* @param contract_ The address for the contract you're delegating
* @return addresses Array of contract-level delegates for a given vault and contract
*/
function getDelegatesForContract(address vault, address contract_) external view returns (address[] memory);
/**
* @notice Returns an array of contract-level delegates for a given vault's token
* @param vault The cold wallet who issued the delegation
* @param contract_ The address for the contract holding the token
* @param tokenId The token id for the token you're delegating
* @return addresses Array of contract-level delegates for a given vault's token
*/
function getDelegatesForToken(address vault, address contract_, uint256 tokenId)
external
view
returns (address[] memory);
/**
* @notice Returns all contract-level delegations for a given vault
* @param vault The cold wallet who issued the delegations
* @return delegations Array of ContractDelegation structs
*/
function getContractLevelDelegations(address vault)
external
view
returns (ContractDelegation[] memory delegations);
/**
* @notice Returns all token-level delegations for a given vault
* @param vault The cold wallet who issued the delegations
* @return delegations Array of TokenDelegation structs
*/
function getTokenLevelDelegations(address vault) external view returns (TokenDelegation[] memory delegations);
/**
* @notice Returns true if the address is delegated to act on the entire vault
* @param delegate The hotwallet to act on your behalf
* @param vault The cold wallet who issued the delegation
*/
function checkDelegateForAll(address delegate, address vault) external view returns (bool);
/**
* @notice Returns true if the address is delegated to act on your behalf for a token contract or an entire vault
* @param delegate The hotwallet to act on your behalf
* @param contract_ The address for the contract you're delegating
* @param vault The cold wallet who issued the delegation
*/
function checkDelegateForContract(address delegate, address vault, address contract_)
external
view
returns (bool);
/**
* @notice Returns true if the address is delegated to act on your behalf for a specific token, the token's contract or an entire vault
* @param delegate The hotwallet to act on your behalf
* @param contract_ The address for the contract you're delegating
* @param tokenId The token id for the token you're delegating
* @param vault The cold wallet who issued the delegation
*/
function checkDelegateForToken(address delegate, address vault, address contract_, uint256 tokenId)
external
view
returns (bool);
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol)
pragma solidity ^0.8.0;
/**
* @dev String operations.
*/
library Strings {
bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
uint8 private constant _ADDRESS_LENGTH = 20;
/**
* @dev Converts a `uint256` to its ASCII `string` decimal representation.
*/
function toString(uint256 value) internal pure returns (string memory) {
// Inspired by OraclizeAPI's implementation - MIT licence
// https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol
if (value == 0) {
return "0";
}
uint256 temp = value;
uint256 digits;
while (temp != 0) {
digits++;
temp /= 10;
}
bytes memory buffer = new bytes(digits);
while (value != 0) {
digits -= 1;
buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
value /= 10;
}
return string(buffer);
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
*/
function toHexString(uint256 value) internal pure returns (string memory) {
if (value == 0) {
return "0x00";
}
uint256 temp = value;
uint256 length = 0;
while (temp != 0) {
length++;
temp >>= 8;
}
return toHexString(value, length);
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
*/
function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
bytes memory buffer = new bytes(2 * length + 2);
buffer[0] = "0";
buffer[1] = "x";
for (uint256 i = 2 * length + 1; i > 1; --i) {
buffer[i] = _HEX_SYMBOLS[value & 0xf];
value >>= 4;
}
require(value == 0, "Strings: hex length insufficient");
return string(buffer);
}
/**
* @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
*/
function toHexString(address addr) internal pure returns (string memory) {
return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/structs/EnumerableSet.sol)
pragma solidity ^0.8.0;
/**
* @dev Library for managing
* https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
* types.
*
* Sets have the following properties:
*
* - Elements are added, removed, and checked for existence in constant time
* (O(1)).
* - Elements are enumerated in O(n). No guarantees are made on the ordering.
*
* ```
* contract Example {
* // Add the library methods
* using EnumerableSet for EnumerableSet.AddressSet;
*
* // Declare a set state variable
* EnumerableSet.AddressSet private mySet;
* }
* ```
*
* As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
* and `uint256` (`UintSet`) are supported.
*
* [WARNING]
* ====
* Trying to delete such a structure from storage will likely result in data corruption, rendering the structure unusable.
* See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info.
*
* In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an array of EnumerableSet.
* ====
*/
library EnumerableSet {
// To implement this library for multiple types with as little code
// repetition as possible, we write it in terms of a generic Set type with
// bytes32 values.
// The Set implementation uses private functions, and user-facing
// implementations (such as AddressSet) are just wrappers around the
// underlying Set.
// This means that we can only create new EnumerableSets for types that fit
// in bytes32.
struct Set {
// Storage of set values
bytes32[] _values;
// Position of the value in the `values` array, plus 1 because index 0
// means a value is not in the set.
mapping(bytes32 => uint256) _indexes;
}
/**
* @dev Add a value to a set. O(1).
*
* Returns true if the value was added to the set, that is if it was not
* already present.
*/
function _add(Set storage set, bytes32 value) private returns (bool) {
if (!_contains(set, value)) {
set._values.push(value);
// The value is stored at length-1, but we add 1 to all indexes
// and use 0 as a sentinel value
set._indexes[value] = set._values.length;
return true;
} else {
return false;
}
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the value was removed from the set, that is if it was
* present.
*/
function _remove(Set storage set, bytes32 value) private returns (bool) {
// We read and store the value's index to prevent multiple reads from the same storage slot
uint256 valueIndex = set._indexes[value];
if (valueIndex != 0) {
// Equivalent to contains(set, value)
// To delete an element from the _values array in O(1), we swap the element to delete with the last one in
// the array, and then remove the last element (sometimes called as 'swap and pop').
// This modifies the order of the array, as noted in {at}.
uint256 toDeleteIndex = valueIndex - 1;
uint256 lastIndex = set._values.length - 1;
if (lastIndex != toDeleteIndex) {
bytes32 lastValue = set._values[lastIndex];
// Move the last value to the index where the value to delete is
set._values[toDeleteIndex] = lastValue;
// Update the index for the moved value
set._indexes[lastValue] = valueIndex; // Replace lastValue's index to valueIndex
}
// Delete the slot where the moved value was stored
set._values.pop();
// Delete the index for the deleted slot
delete set._indexes[value];
return true;
} else {
return false;
}
}
/**
* @dev Returns true if the value is in the set. O(1).
*/
function _contains(Set storage set, bytes32 value) private view returns (bool) {
return set._indexes[value] != 0;
}
/**
* @dev Returns the number of values on the set. O(1).
*/
function _length(Set storage set) private view returns (uint256) {
return set._values.length;
}
/**
* @dev Returns the value stored at position `index` in the set. O(1).
*
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function _at(Set storage set, uint256 index) private view returns (bytes32) {
return set._values[index];
}
/**
* @dev Return the entire set in an array
*
* WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
* to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
* this function has an unbounded cost, and using it as part of a state-changing function may render the function
* uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
*/
function _values(Set storage set) private view returns (bytes32[] memory) {
return set._values;
}
// Bytes32Set
struct Bytes32Set {
Set _inner;
}
/**
* @dev Add a value to a set. O(1).
*
* Returns true if the value was added to the set, that is if it was not
* already present.
*/
function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
return _add(set._inner, value);
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the value was removed from the set, that is if it was
* present.
*/
function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
return _remove(set._inner, value);
}
/**
* @dev Returns true if the value is in the set. O(1).
*/
function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
return _contains(set._inner, value);
}
/**
* @dev Returns the number of values in the set. O(1).
*/
function length(Bytes32Set storage set) internal view returns (uint256) {
return _length(set._inner);
}
/**
* @dev Returns the value stored at position `index` in the set. O(1).
*
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
return _at(set._inner, index);
}
/**
* @dev Return the entire set in an array
*
* WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
* to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
* this function has an unbounded cost, and using it as part of a state-changing function may render the function
* uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
*/
function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
return _values(set._inner);
}
// AddressSet
struct AddressSet {
Set _inner;
}
/**
* @dev Add a value to a set. O(1).
*
* Returns true if the value was added to the set, that is if it was not
* already present.
*/
function add(AddressSet storage set, address value) internal returns (bool) {
return _add(set._inner, bytes32(uint256(uint160(value))));
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the value was removed from the set, that is if it was
* present.
*/
function remove(AddressSet storage set, address value) internal returns (bool) {
return _remove(set._inner, bytes32(uint256(uint160(value))));
}
/**
* @dev Returns true if the value is in the set. O(1).
*/
function contains(AddressSet storage set, address value) internal view returns (bool) {
return _contains(set._inner, bytes32(uint256(uint160(value))));
}
/**
* @dev Returns the number of values in the set. O(1).
*/
function length(AddressSet storage set) internal view returns (uint256) {
return _length(set._inner);
}
/**
* @dev Returns the value stored at position `index` in the set. O(1).
*
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function at(AddressSet storage set, uint256 index) internal view returns (address) {
return address(uint160(uint256(_at(set._inner, index))));
}
/**
* @dev Return the entire set in an array
*
* WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
* to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
* this function has an unbounded cost, and using it as part of a state-changing function may render the function
* uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
*/
function values(AddressSet storage set) internal view returns (address[] memory) {
bytes32[] memory store = _values(set._inner);
address[] memory result;
/// @solidity memory-safe-assembly
assembly {
result := store
}
return result;
}
// UintSet
struct UintSet {
Set _inner;
}
/**
* @dev Add a value to a set. O(1).
*
* Returns true if the value was added to the set, that is if it was not
* already present.
*/
function add(UintSet storage set, uint256 value) internal returns (bool) {
return _add(set._inner, bytes32(value));
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the value was removed from the set, that is if it was
* present.
*/
function remove(UintSet storage set, uint256 value) internal returns (bool) {
return _remove(set._inner, bytes32(value));
}
/**
* @dev Returns true if the value is in the set. O(1).
*/
function contains(UintSet storage set, uint256 value) internal view returns (bool) {
return _contains(set._inner, bytes32(value));
}
/**
* @dev Returns the number of values on the set. O(1).
*/
function length(UintSet storage set) internal view returns (uint256) {
return _length(set._inner);
}
/**
* @dev Returns the value stored at position `index` in the set. O(1).
*
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function at(UintSet storage set, uint256 index) internal view returns (uint256) {
return uint256(_at(set._inner, index));
}
/**
* @dev Return the entire set in an array
*
* WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
* to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
* this function has an unbounded cost, and using it as part of a state-changing function may render the function
* uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
*/
function values(UintSet storage set) internal view returns (uint256[] memory) {
bytes32[] memory store = _values(set._inner);
uint256[] memory result;
/// @solidity memory-safe-assembly
assembly {
result := store
}
return result;
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/cryptography/MerkleProof.sol)
pragma solidity ^0.8.0;
/**
* @dev These functions deal with verification of Merkle Tree 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 MerkleProof {
/**
* @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 Calldata version of {verify}
*
* _Available since v4.7._
*/
function verifyCalldata(
bytes32[] calldata proof,
bytes32 root,
bytes32 leaf
) internal pure returns (bool) {
return processProofCalldata(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++) {
computedHash = _hashPair(computedHash, proof[i]);
}
return computedHash;
}
/**
* @dev Calldata version of {processProof}
*
* _Available since v4.7._
*/
function processProofCalldata(bytes32[] calldata proof, bytes32 leaf) internal pure returns (bytes32) {
bytes32 computedHash = leaf;
for (uint256 i = 0; i < proof.length; i++) {
computedHash = _hashPair(computedHash, proof[i]);
}
return computedHash;
}
/**
* @dev Returns true if the `leaves` can be proved to be a part of a Merkle tree defined by
* `root`, according to `proof` and `proofFlags` as described in {processMultiProof}.
*
* _Available since v4.7._
*/
function multiProofVerify(
bytes32[] memory proof,
bool[] memory proofFlags,
bytes32 root,
bytes32[] memory leaves
) internal pure returns (bool) {
return processMultiProof(proof, proofFlags, leaves) == root;
}
/**
* @dev Calldata version of {multiProofVerify}
*
* _Available since v4.7._
*/
function multiProofVerifyCalldata(
bytes32[] calldata proof,
bool[] calldata proofFlags,
bytes32 root,
bytes32[] memory leaves
) internal pure returns (bool) {
return processMultiProofCalldata(proof, proofFlags, leaves) == root;
}
/**
* @dev Returns the root of a tree reconstructed from `leaves` and the sibling nodes in `proof`,
* consuming from one or the other at each step according to the instructions given by
* `proofFlags`.
*
* _Available since v4.7._
*/
function processMultiProof(
bytes32[] memory proof,
bool[] memory proofFlags,
bytes32[] memory leaves
) internal pure returns (bytes32 merkleRoot) {
// This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by
// consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
// `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
// the merkle tree.
uint256 leavesLen = leaves.length;
uint256 totalHashes = proofFlags.length;
// Check proof validity.
require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof");
// The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
// `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
bytes32[] memory hashes = new bytes32[](totalHashes);
uint256 leafPos = 0;
uint256 hashPos = 0;
uint256 proofPos = 0;
// At each step, we compute the next hash using two values:
// - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
// get the next hash.
// - depending on the flag, either another value for the "main queue" (merging branches) or an element from the
// `proof` array.
for (uint256 i = 0; i < totalHashes; i++) {
bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++];
hashes[i] = _hashPair(a, b);
}
if (totalHashes > 0) {
return hashes[totalHashes - 1];
} else if (leavesLen > 0) {
return leaves[0];
} else {
return proof[0];
}
}
/**
* @dev Calldata version of {processMultiProof}
*
* _Available since v4.7._
*/
function processMultiProofCalldata(
bytes32[] calldata proof,
bool[] calldata proofFlags,
bytes32[] memory leaves
) internal pure returns (bytes32 merkleRoot) {
// This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by
// consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
// `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
// the merkle tree.
uint256 leavesLen = leaves.length;
uint256 totalHashes = proofFlags.length;
// Check proof validity.
require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof");
// The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
// `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
bytes32[] memory hashes = new bytes32[](totalHashes);
uint256 leafPos = 0;
uint256 hashPos = 0;
uint256 proofPos = 0;
// At each step, we compute the next hash using two values:
// - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
// get the next hash.
// - depending on the flag, either another value for the "main queue" (merging branches) or an element from the
// `proof` array.
for (uint256 i = 0; i < totalHashes; i++) {
bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++];
hashes[i] = _hashPair(a, b);
}
if (totalHashes > 0) {
return hashes[totalHashes - 1];
} else if (leavesLen > 0) {
return leaves[0];
} else {
return proof[0];
}
}
function _hashPair(bytes32 a, bytes32 b) private pure returns (bytes32) {
return a < b ? _efficientHash(a, b) : _efficientHash(b, a);
}
function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) {
/// @solidity memory-safe-assembly
assembly {
mstore(0x00, a)
mstore(0x20, b)
value := keccak256(0x00, 0x40)
}
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @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);
/**
* @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);
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/// @author: manifold.xyz
import "@openzeppelin/contracts/utils/introspection/ERC165.sol";
import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "./IAdminControl.sol";
abstract contract AdminControl is Ownable, IAdminControl, ERC165 {
using EnumerableSet for EnumerableSet.AddressSet;
// Track registered admins
EnumerableSet.AddressSet private _admins;
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
return interfaceId == type(IAdminControl).interfaceId
|| super.supportsInterface(interfaceId);
}
/**
* @dev Only allows approved admins to call the specified function
*/
modifier adminRequired() {
require(owner() == msg.sender || _admins.contains(msg.sender), "AdminControl: Must be owner or admin");
_;
}
/**
* @dev See {IAdminControl-getAdmins}.
*/
function getAdmins() external view override returns (address[] memory admins) {
admins = new address[](_admins.length());
for (uint i = 0; i < _admins.length(); i++) {
admins[i] = _admins.at(i);
}
return admins;
}
/**
* @dev See {IAdminControl-approveAdmin}.
*/
function approveAdmin(address admin) external override onlyOwner {
if (!_admins.contains(admin)) {
emit AdminApproved(admin, msg.sender);
_admins.add(admin);
}
}
/**
* @dev See {IAdminControl-revokeAdmin}.
*/
function revokeAdmin(address admin) external override onlyOwner {
if (_admins.contains(admin)) {
emit AdminRevoked(admin, msg.sender);
_admins.remove(admin);
}
}
/**
* @dev See {IAdminControl-isAdmin}.
*/
function isAdmin(address admin) public override view returns (bool) {
return (owner() == admin || _admins.contains(admin));
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/// @author: manifold.xyz
import "./ILazyPayableClaim.sol";
/**
* Lazy Payable Claim interface
*/
interface IERC721LazyPayableClaim is ILazyPayableClaim {
struct ClaimParameters {
uint32 totalMax;
uint32 walletMax;
uint48 startDate;
uint48 endDate;
StorageProtocol storageProtocol;
bool identical;
bytes32 merkleRoot;
string location;
uint256 cost;
address payable paymentReceiver;
address erc20;
}
struct Claim {
uint32 total;
uint32 totalMax;
uint32 walletMax;
uint48 startDate;
uint48 endDate;
StorageProtocol storageProtocol;
bool identical;
bytes32 merkleRoot;
string location;
uint256 cost;
address payable paymentReceiver;
address erc20;
}
/**
* @notice initialize a new claim, emit initialize event, and return the newly created index
* @param creatorContractAddress the creator contract the claim will mint tokens for
* @param claimIndex the index of the claim in the list of creatorContractAddress' _claims
* @param claimParameters the parameters which will affect the minting behavior of the claim
*/
function initializeClaim(address creatorContractAddress, uint256 claimIndex, ClaimParameters calldata claimParameters) external;
/**
* @notice update an existing claim at claimIndex
* @param creatorContractAddress the creator contract corresponding to the claim
* @param claimIndex the index of the claim in the list of creatorContractAddress' _claims
* @param claimParameters the parameters which will affect the minting behavior of the claim
*/
function updateClaim(address creatorContractAddress, uint256 claimIndex, ClaimParameters calldata claimParameters) external;
/**
* @notice update tokenURI parameters for an existing claim at claimIndex
* @param creatorContractAddress the creator contract corresponding to the claim
* @param claimIndex the index of the claim in the list of creatorContractAddress' _claims
* @param storageProtocol the new storage protocol
* @param identical the new value of identical
* @param location the new location
*/
function updateTokenURIParams(address creatorContractAddress, uint256 claimIndex, StorageProtocol storageProtocol, bool identical, string calldata location) external;
/**
* @notice get a claim corresponding to a creator contract and index
* @param creatorContractAddress the address of the creator contract
* @param claimIndex the index of the claim
* @return the claim object
*/
function getClaim(address creatorContractAddress, uint256 claimIndex) external view returns(Claim memory);
/**
* @notice allow admin to airdrop arbitrary tokens
* @param creatorContractAddress the creator contract the claim will mint tokens for
* @param claimIndex the index of the claim in the list of creatorContractAddress' _claims
* @param recipients addresses to airdrop to
* @param amounts number of tokens to airdrop to each address in addresses
*/
function airdrop(address creatorContractAddress, uint256 claimIndex, address[] calldata recipients, uint16[] calldata amounts) external;
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/// @author: manifold.xyz
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/utils/Strings.sol";
import "@openzeppelin/contracts/utils/introspection/ERC165.sol";
import "@openzeppelin/contracts/utils/introspection/ERC165Checker.sol";
import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
import "@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol";
import "../extensions/ICreatorExtensionTokenURI.sol";
import "../extensions/ICreatorExtensionRoyalties.sol";
import "./ICreatorCore.sol";
/**
* @dev Core creator implementation
*/
abstract contract CreatorCore is ReentrancyGuard, ICreatorCore, ERC165 {
using Strings for uint256;
using EnumerableSet for EnumerableSet.AddressSet;
using AddressUpgradeable for address;
uint256 internal _tokenCount = 0;
// Base approve transfers address location
address internal _approveTransferBase;
// Track registered extensions data
EnumerableSet.AddressSet internal _extensions;
EnumerableSet.AddressSet internal _blacklistedExtensions;
mapping (address => address) internal _extensionPermissions;
mapping (address => bool) internal _extensionApproveTransfers;
// For tracking which extension a token was minted by
mapping (uint256 => address) internal _tokensExtension;
// The baseURI for a given extension
mapping (address => string) private _extensionBaseURI;
mapping (address => bool) private _extensionBaseURIIdentical;
// The prefix for any tokens with a uri configured
mapping (address => string) private _extensionURIPrefix;
// Mapping for individual token URIs
mapping (uint256 => string) internal _tokenURIs;
// Royalty configurations
struct RoyaltyConfig {
address payable receiver;
uint16 bps;
}
mapping (address => RoyaltyConfig[]) internal _extensionRoyalty;
mapping (uint256 => RoyaltyConfig[]) internal _tokenRoyalty;
bytes4 private constant _CREATOR_CORE_V1 = 0x28f10a21;
/**
* External interface identifiers for royalties
*/
/**
* @dev CreatorCore
*
* bytes4(keccak256('getRoyalties(uint256)')) == 0xbb3bafd6
*
* => 0xbb3bafd6 = 0xbb3bafd6
*/
bytes4 private constant _INTERFACE_ID_ROYALTIES_CREATORCORE = 0xbb3bafd6;
/**
* @dev Rarible: RoyaltiesV1
*
* bytes4(keccak256('getFeeRecipients(uint256)')) == 0xb9c4d9fb
* bytes4(keccak256('getFeeBps(uint256)')) == 0x0ebd4c7f
*
* => 0xb9c4d9fb ^ 0x0ebd4c7f = 0xb7799584
*/
bytes4 private constant _INTERFACE_ID_ROYALTIES_RARIBLE = 0xb7799584;
/**
* @dev Foundation
*
* bytes4(keccak256('getFees(uint256)')) == 0xd5a06d4c
*
* => 0xd5a06d4c = 0xd5a06d4c
*/
bytes4 private constant _INTERFACE_ID_ROYALTIES_FOUNDATION = 0xd5a06d4c;
/**
* @dev EIP-2981
*
* bytes4(keccak256("royaltyInfo(uint256,uint256)")) == 0x2a55205a
*
* => 0x2a55205a = 0x2a55205a
*/
bytes4 private constant _INTERFACE_ID_ROYALTIES_EIP2981 = 0x2a55205a;
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
return interfaceId == type(ICreatorCore).interfaceId || interfaceId == _CREATOR_CORE_V1 || super.supportsInterface(interfaceId)
|| interfaceId == _INTERFACE_ID_ROYALTIES_CREATORCORE || interfaceId == _INTERFACE_ID_ROYALTIES_RARIBLE
|| interfaceId == _INTERFACE_ID_ROYALTIES_FOUNDATION || interfaceId == _INTERFACE_ID_ROYALTIES_EIP2981;
}
/**
* @dev Only allows registered extensions to call the specified function
*/
function requireExtension() internal view {
require(_extensions.contains(msg.sender), "Must be registered extension");
}
/**
* @dev Only allows non-blacklisted extensions
*/
function requireNonBlacklist(address extension) internal view {
require(!_blacklistedExtensions.contains(extension), "Extension blacklisted");
}
/**
* @dev See {ICreatorCore-getExtensions}.
*/
function getExtensions() external view override returns (address[] memory extensions) {
extensions = new address[](_extensions.length());
for (uint i; i < _extensions.length();) {
extensions[i] = _extensions.at(i);
unchecked { ++i; }
}
return extensions;
}
/**
* @dev Register an extension
*/
function _registerExtension(address extension, string calldata baseURI, bool baseURIIdentical) internal {
require(extension != address(this) && extension.isContract(), "Invalid");
emit ExtensionRegistered(extension, msg.sender);
_extensionBaseURI[extension] = baseURI;
_extensionBaseURIIdentical[extension] = baseURIIdentical;
_extensions.add(extension);
_setApproveTransferExtension(extension, true);
}
/**
* @dev See {ICreatorCore-setApproveTransferExtension}.
*/
function setApproveTransferExtension(bool enabled) external override {
requireExtension();
_setApproveTransferExtension(msg.sender, enabled);
}
/**
* @dev Set whether or not tokens minted by the extension defers transfer approvals to the extension
*/
function _setApproveTransferExtension(address extension, bool enabled) internal virtual;
/**
* @dev Unregister an extension
*/
function _unregisterExtension(address extension) internal {
emit ExtensionUnregistered(extension, msg.sender);
_extensions.remove(extension);
}
/**
* @dev Blacklist an extension
*/
function _blacklistExtension(address extension) internal {
require(extension != address(0) && extension != address(this), "Cannot blacklist yourself");
if (_extensions.contains(extension)) {
emit ExtensionUnregistered(extension, msg.sender);
_extensions.remove(extension);
}
if (!_blacklistedExtensions.contains(extension)) {
emit ExtensionBlacklisted(extension, msg.sender);
_blacklistedExtensions.add(extension);
}
}
/**
* @dev Set base token uri for an extension
*/
function _setBaseTokenURIExtension(string calldata uri, bool identical) internal {
_extensionBaseURI[msg.sender] = uri;
_extensionBaseURIIdentical[msg.sender] = identical;
}
/**
* @dev Set token uri prefix for an extension
*/
function _setTokenURIPrefixExtension(string calldata prefix) internal {
_extensionURIPrefix[msg.sender] = prefix;
}
/**
* @dev Set token uri for a token of an extension
*/
function _setTokenURIExtension(uint256 tokenId, string calldata uri) internal {
require(_tokensExtension[tokenId] == msg.sender, "Invalid token");
_tokenURIs[tokenId] = uri;
}
/**
* @dev Set base token uri for tokens with no extension
*/
function _setBaseTokenURI(string memory uri) internal {
_extensionBaseURI[address(0)] = uri;
}
/**
* @dev Set token uri prefix for tokens with no extension
*/
function _setTokenURIPrefix(string calldata prefix) internal {
_extensionURIPrefix[address(0)] = prefix;
}
/**
* @dev Set token uri for a token with no extension
*/
function _setTokenURI(uint256 tokenId, string calldata uri) internal {
require(tokenId > 0 && tokenId <= _tokenCount && _tokensExtension[tokenId] == address(0), "Invalid token");
_tokenURIs[tokenId] = uri;
}
/**
* @dev Retrieve a token's URI
*/
function _tokenURI(uint256 tokenId) internal view returns (string memory) {
require(tokenId > 0 && tokenId <= _tokenCount, "Invalid token");
address extension = _tokensExtension[tokenId];
require(!_blacklistedExtensions.contains(extension), "Extension blacklisted");
if (bytes(_tokenURIs[tokenId]).length != 0) {
if (bytes(_extensionURIPrefix[extension]).length != 0) {
return string(abi.encodePacked(_extensionURIPrefix[extension],_tokenURIs[tokenId]));
}
return _tokenURIs[tokenId];
}
if (ERC165Checker.supportsInterface(extension, type(ICreatorExtensionTokenURI).interfaceId)) {
return ICreatorExtensionTokenURI(extension).tokenURI(address(this), tokenId);
}
if (!_extensionBaseURIIdentical[extension]) {
return string(abi.encodePacked(_extensionBaseURI[extension], tokenId.toString()));
} else {
return _extensionBaseURI[extension];
}
}
/**
* Get token extension
*/
function _tokenExtension(uint256 tokenId) internal view returns (address extension) {
extension = _tokensExtension[tokenId];
require(extension != address(0), "No extension for token");
require(!_blacklistedExtensions.contains(extension), "Extension blacklisted");
return extension;
}
/**
* Helper to get royalties for a token
*/
function _getRoyalties(uint256 tokenId) view internal returns (address payable[] memory receivers, uint256[] memory bps) {
// Get token level royalties
RoyaltyConfig[] memory royalties = _tokenRoyalty[tokenId];
if (royalties.length == 0) {
// Get extension specific royalties
address extension = _tokensExtension[tokenId];
if (extension != address(0)) {
if (ERC165Checker.supportsInterface(extension, type(ICreatorExtensionRoyalties).interfaceId)) {
(receivers, bps) = ICreatorExtensionRoyalties(extension).getRoyalties(address(this), tokenId);
// Extension override exists, just return that
if (receivers.length > 0) return (receivers, bps);
}
royalties = _extensionRoyalty[extension];
}
}
if (royalties.length == 0) {
// Get the default royalty
royalties = _extensionRoyalty[address(0)];
}
if (royalties.length > 0) {
receivers = new address payable[](royalties.length);
bps = new uint256[](royalties.length);
for (uint i; i < royalties.length;) {
receivers[i] = royalties[i].receiver;
bps[i] = royalties[i].bps;
unchecked { ++i; }
}
}
}
/**
* Helper to get royalty receivers for a token
*/
function _getRoyaltyReceivers(uint256 tokenId) view internal returns (address payable[] memory recievers) {
(recievers, ) = _getRoyalties(tokenId);
}
/**
* Helper to get royalty basis points for a token
*/
function _getRoyaltyBPS(uint256 tokenId) view internal returns (uint256[] memory bps) {
(, bps) = _getRoyalties(tokenId);
}
function _getRoyaltyInfo(uint256 tokenId, uint256 value) view internal returns (address receiver, uint256 amount){
(address payable[] memory receivers, uint256[] memory bps) = _getRoyalties(tokenId);
require(receivers.length <= 1, "More than 1 royalty receiver");
if (receivers.length == 0) {
return (address(this), 0);
}
return (receivers[0], bps[0]*value/10000);
}
/**
* Set royalties for a token
*/
function _setRoyalties(uint256 tokenId, address payable[] calldata receivers, uint256[] calldata basisPoints) internal {
_checkRoyalties(receivers, basisPoints);
delete _tokenRoyalty[tokenId];
_setRoyalties(receivers, basisPoints, _tokenRoyalty[tokenId]);
emit RoyaltiesUpdated(tokenId, receivers, basisPoints);
}
/**
* Set royalties for all tokens of an extension
*/
function _setRoyaltiesExtension(address extension, address payable[] calldata receivers, uint256[] calldata basisPoints) internal {
_checkRoyalties(receivers, basisPoints);
delete _extensionRoyalty[extension];
_setRoyalties(receivers, basisPoints, _extensionRoyalty[extension]);
if (extension == address(0)) {
emit DefaultRoyaltiesUpdated(receivers, basisPoints);
} else {
emit ExtensionRoyaltiesUpdated(extension, receivers, basisPoints);
}
}
/**
* Helper function to check that royalties provided are valid
*/
function _checkRoyalties(address payable[] calldata receivers, uint256[] calldata basisPoints) private pure {
require(receivers.length == basisPoints.length, "Invalid input");
uint256 totalBasisPoints;
for (uint i; i < basisPoints.length;) {
totalBasisPoints += basisPoints[i];
unchecked { ++i; }
}
require(totalBasisPoints < 10000, "Invalid total royalties");
}
/**
* Helper function to set royalties
*/
function _setRoyalties(address payable[] calldata receivers, uint256[] calldata basisPoints, RoyaltyConfig[] storage royalties) private {
for (uint i; i < basisPoints.length;) {
royalties.push(
RoyaltyConfig(
{
receiver: receivers[i],
bps: uint16(basisPoints[i])
}
)
);
unchecked { ++i; }
}
}
/**
* @dev See {ICreatorCore-getApproveTransfer}.
*/
function getApproveTransfer() external view override returns (address) {
return _approveTransferBase;
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/// @author: manifold.xyz
import "@openzeppelin/contracts/utils/introspection/IERC165.sol";
/**
* @dev Interface for admin control
*/
interface IAdminControl is IERC165 {
event AdminApproved(address indexed account, address indexed sender);
event AdminRevoked(address indexed account, address indexed sender);
/**
* @dev gets address of all admins
*/
function getAdmins() external view returns (address[] memory);
/**
* @dev add an admin. Can only be called by contract owner.
*/
function approveAdmin(address admin) external;
/**
* @dev remove an admin. Can only be called by contract owner.
*/
function revokeAdmin(address admin) external;
/**
* @dev checks whether or not given address is an admin
* Returns True if they are
*/
function isAdmin(address admin) external view returns (bool);
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)
pragma solidity ^0.8.0;
import "../utils/Context.sol";
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
_transferOwnership(_msgSender());
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
_checkOwner();
_;
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if the sender is not the owner.
*/
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)
pragma solidity ^0.8.0;
import "./IERC165.sol";
/**
* @dev Implementation of the {IERC165} interface.
*
* Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
* for the additional interface id that will be supported. For example:
*
* ```solidity
* function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
* return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
* }
* ```
*
* Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
*/
abstract contract ERC165 is IERC165 {
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IERC165).interfaceId;
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/// @author: manifold.xyz
import "@openzeppelin/contracts/utils/introspection/IERC165.sol";
/**
* @dev Core creator interface
*/
interface ICreatorCore is IERC165 {
event ExtensionRegistered(address indexed extension, address indexed sender);
event ExtensionUnregistered(address indexed extension, address indexed sender);
event ExtensionBlacklisted(address indexed extension, address indexed sender);
event MintPermissionsUpdated(address indexed extension, address indexed permissions, address indexed sender);
event RoyaltiesUpdated(uint256 indexed tokenId, address payable[] receivers, uint256[] basisPoints);
event DefaultRoyaltiesUpdated(address payable[] receivers, uint256[] basisPoints);
event ApproveTransferUpdated(address extension);
event ExtensionRoyaltiesUpdated(address indexed extension, address payable[] receivers, uint256[] basisPoints);
event ExtensionApproveTransferUpdated(address indexed extension, bool enabled);
/**
* @dev gets address of all extensions
*/
function getExtensions() external view returns (address[] memory);
/**
* @dev add an extension. Can only be called by contract owner or admin.
* extension address must point to a contract implementing ICreatorExtension.
* Returns True if newly added, False if already added.
*/
function registerExtension(address extension, string calldata baseURI) external;
/**
* @dev add an extension. Can only be called by contract owner or admin.
* extension address must point to a contract implementing ICreatorExtension.
* Returns True if newly added, False if already added.
*/
function registerExtension(address extension, string calldata baseURI, bool baseURIIdentical) external;
/**
* @dev add an extension. Can only be called by contract owner or admin.
* Returns True if removed, False if already removed.
*/
function unregisterExtension(address extension) external;
/**
* @dev blacklist an extension. Can only be called by contract owner or admin.
* This function will destroy all ability to reference the metadata of any tokens created
* by the specified extension. It will also unregister the extension if needed.
* Returns True if removed, False if already removed.
*/
function blacklistExtension(address extension) external;
/**
* @dev set the baseTokenURI of an extension. Can only be called by extension.
*/
function setBaseTokenURIExtension(string calldata uri) external;
/**
* @dev set the baseTokenURI of an extension. Can only be called by extension.
* For tokens with no uri configured, tokenURI will return "uri+tokenId"
*/
function setBaseTokenURIExtension(string calldata uri, bool identical) external;
/**
* @dev set the common prefix of an extension. Can only be called by extension.
* If configured, and a token has a uri set, tokenURI will return "prefixURI+tokenURI"
* Useful if you want to use ipfs/arweave
*/
function setTokenURIPrefixExtension(string calldata prefix) external;
/**
* @dev set the tokenURI of a token extension. Can only be called by extension that minted token.
*/
function setTokenURIExtension(uint256 tokenId, string calldata uri) external;
/**
* @dev set the tokenURI of a token extension for multiple tokens. Can only be called by extension that minted token.
*/
function setTokenURIExtension(uint256[] memory tokenId, string[] calldata uri) external;
/**
* @dev set the baseTokenURI for tokens with no extension. Can only be called by owner/admin.
* For tokens with no uri configured, tokenURI will return "uri+tokenId"
*/
function setBaseTokenURI(string calldata uri) external;
/**
* @dev set the common prefix for tokens with no extension. Can only be called by owner/admin.
* If configured, and a token has a uri set, tokenURI will return "prefixURI+tokenURI"
* Useful if you want to use ipfs/arweave
*/
function setTokenURIPrefix(string calldata prefix) external;
/**
* @dev set the tokenURI of a token with no extension. Can only be called by owner/admin.
*/
function setTokenURI(uint256 tokenId, string calldata uri) external;
/**
* @dev set the tokenURI of multiple tokens with no extension. Can only be called by owner/admin.
*/
function setTokenURI(uint256[] memory tokenIds, string[] calldata uris) external;
/**
* @dev set a permissions contract for an extension. Used to control minting.
*/
function setMintPermissions(address extension, address permissions) external;
/**
* @dev Configure so transfers of tokens created by the caller (must be extension) gets approval
* from the extension before transferring
*/
function setApproveTransferExtension(bool enabled) external;
/**
* @dev get the extension of a given token
*/
function tokenExtension(uint256 tokenId) external view returns (address);
/**
* @dev Set default royalties
*/
function setRoyalties(address payable[] calldata receivers, uint256[] calldata basisPoints) external;
/**
* @dev Set royalties of a token
*/
function setRoyalties(uint256 tokenId, address payable[] calldata receivers, uint256[] calldata basisPoints) external;
/**
* @dev Set royalties of an extension
*/
function setRoyaltiesExtension(address extension, address payable[] calldata receivers, uint256[] calldata basisPoints) external;
/**
* @dev Get royalites of a token. Returns list of receivers and basisPoints
*/
function getRoyalties(uint256 tokenId) external view returns (address payable[] memory, uint256[] memory);
// Royalty support for various other standards
function getFeeRecipients(uint256 tokenId) external view returns (address payable[] memory);
function getFeeBps(uint256 tokenId) external view returns (uint[] memory);
function getFees(uint256 tokenId) external view returns (address payable[] memory, uint256[] memory);
function royaltyInfo(uint256 tokenId, uint256 value) external view returns (address, uint256);
/**
* @dev Set the default approve transfer contract location.
*/
function setApproveTransfer(address extension) external;
/**
* @dev Get the default approve transfer contract location.
*/
function getApproveTransfer() external view returns (address);
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/// @author: manifold.xyz
import "@openzeppelin/contracts/utils/introspection/IERC165.sol";
/**
* @dev Implement this if you want your extension to have overloadable royalties
*/
interface ICreatorExtensionRoyalties is IERC165 {
/**
* Get the royalties for a given creator/tokenId
*/
function getRoyalties(address creator, uint256 tokenId) external view returns (address payable[] memory, uint256[] memory);
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)
pragma solidity ^0.8.1;
/**
* @dev Collection of functions related to the address type
*/
library 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
/// @solidity memory-safe-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.2) (utils/introspection/ERC165Checker.sol)
pragma solidity ^0.8.0;
import "./IERC165.sol";
/**
* @dev Library used to query support of an interface declared via {IERC165}.
*
* Note that these functions return the actual result of the query: they do not
* `revert` if an interface is not supported. It is up to the caller to decide
* what to do in these cases.
*/
library ERC165Checker {
// As per the EIP-165 spec, no interface should ever match 0xffffffff
bytes4 private constant _INTERFACE_ID_INVALID = 0xffffffff;
/**
* @dev Returns true if `account` supports the {IERC165} interface,
*/
function supportsERC165(address account) internal view returns (bool) {
// Any contract that implements ERC165 must explicitly indicate support of
// InterfaceId_ERC165 and explicitly indicate non-support of InterfaceId_Invalid
return
_supportsERC165Interface(account, type(IERC165).interfaceId) &&
!_supportsERC165Interface(account, _INTERFACE_ID_INVALID);
}
/**
* @dev Returns true if `account` supports the interface defined by
* `interfaceId`. Support for {IERC165} itself is queried automatically.
*
* See {IERC165-supportsInterface}.
*/
function supportsInterface(address account, bytes4 interfaceId) internal view returns (bool) {
// query support of both ERC165 as per the spec and support of _interfaceId
return supportsERC165(account) && _supportsERC165Interface(account, interfaceId);
}
/**
* @dev Returns a boolean array where each value corresponds to the
* interfaces passed in and whether they're supported or not. This allows
* you to batch check interfaces for a contract where your expectation
* is that some interfaces may not be supported.
*
* See {IERC165-supportsInterface}.
*
* _Available since v3.4._
*/
function getSupportedInterfaces(address account, bytes4[] memory interfaceIds)
internal
view
returns (bool[] memory)
{
// an array of booleans corresponding to interfaceIds and whether they're supported or not
bool[] memory interfaceIdsSupported = new bool[](interfaceIds.length);
// query support of ERC165 itself
if (supportsERC165(account)) {
// query support of each interface in interfaceIds
for (uint256 i = 0; i < interfaceIds.length; i++) {
interfaceIdsSupported[i] = _supportsERC165Interface(account, interfaceIds[i]);
}
}
return interfaceIdsSupported;
}
/**
* @dev Returns true if `account` supports all the interfaces defined in
* `interfaceIds`. Support for {IERC165} itself is queried automatically.
*
* Batch-querying can lead to gas savings by skipping repeated checks for
* {IERC165} support.
*
* See {IERC165-supportsInterface}.
*/
function supportsAllInterfaces(address account, bytes4[] memory interfaceIds) internal view returns (bool) {
// query support of ERC165 itself
if (!supportsERC165(account)) {
return false;
}
// query support of each interface in _interfaceIds
for (uint256 i = 0; i < interfaceIds.length; i++) {
if (!_supportsERC165Interface(account, interfaceIds[i])) {
return false;
}
}
// all interfaces supported
return true;
}
/**
* @notice Query if a contract implements an interface, does not check ERC165 support
* @param account The address of the contract to query for support of an interface
* @param interfaceId The interface identifier, as specified in ERC-165
* @return true if the contract at account indicates support of the interface with
* identifier interfaceId, false otherwise
* @dev Assumes that account contains a contract that supports ERC165, otherwise
* the behavior of this method is undefined. This precondition can be checked
* with {supportsERC165}.
* Interface identification is specified in ERC-165.
*/
function _supportsERC165Interface(address account, bytes4 interfaceId) private view returns (bool) {
// prepare call
bytes memory encodedParams = abi.encodeWithSelector(IERC165.supportsInterface.selector, interfaceId);
// perform static call
bool success;
uint256 returnSize;
uint256 returnValue;
assembly {
success := staticcall(30000, account, add(encodedParams, 0x20), mload(encodedParams), 0x00, 0x20)
returnSize := returndatasize()
returnValue := mload(0x00)
}
return success && returnSize >= 0x20 && returnValue > 0;
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)
pragma solidity ^0.8.0;
/**
* @dev Contract module that helps prevent reentrant calls to a function.
*
* Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
* available, which can be applied to functions to make sure there are no nested
* (reentrant) calls to them.
*
* Note that because there is a single `nonReentrant` guard, functions marked as
* `nonReentrant` may not call one another. This can be worked around by making
* those functions `private`, and then adding `external` `nonReentrant` entry
* points to them.
*
* TIP: If you would like to learn more about reentrancy and alternative ways
* to protect against it, check out our blog post
* https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
*/
abstract contract ReentrancyGuard {
// Booleans are more expensive than uint256 or any type that takes up a full
// word because each write operation emits an extra SLOAD to first read the
// slot's contents, replace the bits taken up by the boolean, and then write
// back. This is the compiler's defense against contract upgrades and
// pointer aliasing, and it cannot be disabled.
// The values being non-zero value makes deployment a bit more expensive,
// but in exchange the refund on every call to nonReentrant will be lower in
// amount. Since refunds are capped to a percentage of the total
// transaction's gas, it is best to keep them low in cases like this one, to
// increase the likelihood of the full refund coming into effect.
uint256 private constant _NOT_ENTERED = 1;
uint256 private constant _ENTERED = 2;
uint256 private _status;
constructor() {
_status = _NOT_ENTERED;
}
/**
* @dev Prevents a contract from calling itself, directly or indirectly.
* Calling a `nonReentrant` function from another `nonReentrant`
* function is not supported. It is possible to prevent this from happening
* by making the `nonReentrant` function external, and making it call a
* `private` function that does the actual work.
*/
modifier nonReentrant() {
// On the first call to nonReentrant, _notEntered will be true
require(_status != _ENTERED, "ReentrancyGuard: reentrant call");
// Any calls to nonReentrant after this point will fail
_status = _ENTERED;
_;
// By storing the original value once again, a refund is triggered (see
// https://eips.ethereum.org/EIPS/eip-2200)
_status = _NOT_ENTERED;
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
pragma solidity ^0.8.0;
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}