// SPDX-License-Identifier: BUSL-1.1
// Metadrop Contracts (v2.1.0)
pragma solidity ^0.8.0;
import "../ThirdParty/ERC404/erc404.sol";
import {IErrors} from "../Global/IErrors.sol";
import {Revert} from "../Global/Revert.sol";
import "@openzeppelin/contracts/utils/Strings.sol";
contract ERC404M is ERC404 {
string baseURI;
event ERC404MCreated(
string name,
string symbol,
uint256 totalNativeSupply,
address indexed deployer
);
/**
* @dev Constructor
*
* @param baseURI_ The base URI for the token
* @param recipients_ The recipients of the initial distribution
* @param amounts_ The amounts of the initial distribution
* @param name_ The name of the token
* @param symbol_ The symbol of the token
* @param decimals_ The number of decimals for the token
* @param totalNativeSupply_ The total supply of the token
* @param owner_ The owner of the contract
*/
constructor(
string memory baseURI_,
address[] memory recipients_,
uint256[] memory amounts_,
string memory name_,
string memory symbol_,
uint8 decimals_,
uint256 totalNativeSupply_,
address owner_
) payable ERC404(name_, symbol_, decimals_, totalNativeSupply_, owner_) {
baseURI = baseURI_;
balanceOf[address(this)] = totalNativeSupply_ * 10 ** decimals_;
setWhitelist(address(this), true);
setWhitelist(owner, true);
_distribute(recipients_, amounts_);
balanceOf[owner] = balanceOf[address(this)];
balanceOf[address(this)] = 0;
require(
msg.value == 1 * 10**17,
"ERC404M: Must send 0.1 ETH to initialize"
);
// METADROP_TREASURY_ADDRESS
(bool success, ) = address(0xDE3FF2A50bd1BA1bd6a608EA0138946Dddf595bc).call{value: msg.value}("");
require(success, "ERC404M: Failed to send ETH to treasury");
emit ERC404MCreated(
name_,
symbol_,
totalNativeSupply_,
owner_
);
}
/**
* @dev function {distribute}
*
* Distribute tokens to the recipients
*
* @param recipients_ The recipients of the distribution
* @param amounts_ The amounts of the distribution
*
*/
function _distribute(
address[] memory recipients_,
uint256[] memory amounts_
) private
{
require(
recipients_.length == amounts_.length,
"ERC404M: Amounts and recipients must be the same length"
);
uint256 totalAmount = 0;
for (uint256 i = 0; i < recipients_.length; i++) {
_transfer(address(this), recipients_[i], amounts_[i]);
totalAmount += amounts_[i];
}
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// ERC721 Functions
//
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/**
* @dev function {setBaseURI}
*
* Set the base URI for the token
*
* @param baseURI_ The base URI to set
*
*/
function setBaseURI(string memory baseURI_) public onlyOwner {
baseURI = baseURI_;
}
/**
* @dev function {tokenURI}
*
* Returns the URI for a given token ID. Wraps if the tokenID is bigger than total supply.
*
* @param tokenId_ The token ID to query
*
* @return string The URI for the token
*/
function tokenURI(
uint256 tokenId_
) public view override returns (string memory) {
uint256 wrapper = tokenId_ % (totalSupply / (10 ** decimals));
return
bytes(baseURI).length != 0
? string(abi.encodePacked(baseURI, Strings.toString(wrapper)))
: "";
}
}
// SPDX-License-Identifier: MIT
// Metadrop Contracts (v2.1.0)
/**
*
* @title IErrors.sol. Interface for error definitions used across the platform
*
* @author metadrop https://metadrop.com/
*
*/
pragma solidity 0.8.21;
interface IErrors {
enum BondingCurveErrorType {
OK, // No error
INVALID_NUMITEMS, // The numItem value is 0
SPOT_PRICE_OVERFLOW // The updated spot price doesn't fit into 128 bits
}
error AdapterParamsMustBeEmpty(); // The adapter parameters on this LZ call must be empty.
error AdditionToPoolIsBelowPerTransactionMinimum(); // The contribution amount is less than the minimum.
error AdditionToPoolWouldExceedPoolCap(); // This addition to the pool would exceed the pool cap.
error AdditionToPoolWouldExceedPerAddressCap(); // This addition to the pool would exceed the per address cap.
error AddressAlreadySet(); // The address being set can only be set once, and is already non-0.
error AllowanceDecreasedBelowZero(); // You cannot decrease the allowance below zero.
error AlreadyInitialised(); // The contract is already initialised: it cannot be initialised twice!
error AmountExceedsAvailable(); // You are requesting more token than is available.
error ApprovalCallerNotOwnerNorApproved(); // The caller must own the token or be an approved operator.
error ApproveFromTheZeroAddress(); // Approval cannot be called from the zero address (indeed, how have you??).
error ApproveToTheZeroAddress(); // Approval cannot be given to the zero address.
error ApprovalQueryForNonexistentToken(); // The token does not exist.
error AuctionStatusIsNotEnded(); // Throw if the action required the auction to be closed, and it isn't.
error AuctionStatusIsNotOpen(); // Throw if the action requires the auction to be open, and it isn't.
error AuxCallFailed(
address[] modules,
uint256 value,
bytes data,
uint256 txGas
); // An auxilliary call from the drop factory failed.
error BalanceMismatch(); // An error when comparing balance amounts.
error BalanceQueryForZeroAddress(); // Cannot query the balance for the zero address.
error BidMustBeBelowTheFloorWhenReducingQuantity(); // Only bids that are below the floor can reduce the quantity of the bid.
error BidMustBeBelowTheFloorForRefundDuringAuction(); // Only bids that are below the floor can be refunded during the auction.
error BondingCurveError(BondingCurveErrorType error); // An error of the type specified has occured in bonding curve processing.
error botProtectionDurationInSecondsMustFitUint128(); // botProtectionDurationInSeconds cannot be too large.
error BurnExceedsBalance(); // The amount you have selected to burn exceeds the addresses balance.
error BurnFromTheZeroAddress(); // Tokens cannot be burned from the zero address. (Also, how have you called this!?!)
error CallerIsNotDepositBoxOwner(); // The caller is not the owner of the deposit box.
error CallerIsNotFactory(); // The caller of this function must match the factory address in storage.
error CallerIsNotFactoryOrProjectOwner(); // The caller of this function must match the factory address OR project owner address.
error CallerIsNotFactoryProjectOwnerOrPool(); // The caller of this function must match the factory address, project owner or pool address.
error CallerIsNotTheFeeRecipient(); // The caller is not the fee recipient.
error CallerIsNotTheOwner(); // The caller is not the owner of this contract.
error CallerIsNotTheManager(); // The caller is not the manager of this contract.
error CallerMustBeLzApp(); // The caller must be an LZ application.
error CallerIsNotPlatformAdmin(address caller); // The caller of this function must be part of the platformAdmin group.
error CallerIsNotSuperAdmin(address caller); // The caller of this function must match the superAdmin address in storage.
error CannotAddLiquidityOnCreateAndUseDRIPool(); // Cannot use both liquidity added on create and a DRIPool in the same token.
error CannotManuallyFundLPWhenUsingADRIPool(); // Cannot add liquidity manually when using a DRI pool.
error CannotPerformDuringAutoswap(); // Cannot call this function during an autoswap.
error CannotPerformPriorToFunding(); // Cannot perform this operation before a token is funded (i.e. liquidity added).
error CannotSetNewOwnerToTheZeroAddress(); // You can't set the owner of this contract to the zero address (address(0)).
error CannotSetToZeroAddress(); // The corresponding address cannot be set to the zero address (address(0)).
error CannotSetNewManagerToTheZeroAddress(); // Cannot transfer the manager to the zero address (address(0)).
error CannotWithdrawThisToken(); // Cannot withdraw the specified token.
error CanOnlyReduce(); // The given operation can only reduce the value specified.
error CollectionAlreadyRevealed(); // The collection is already revealed; you cannot call reveal again.
error ContractIsDecommissioned(); // This contract is decommissioned!
error ContractIsPaused(); // The call requires the contract to be unpaused, and it is paused.
error ContractIsNotPaused(); // The call required the contract to be paused, and it is NOT paused.
error DecreasedAllowanceBelowZero(); // The request would decrease the allowance below zero, and that is not allowed.
error DestinationIsNotTrustedSource(); // The destination that is being called through LZ has not been set as trusted.
error DeductionsOnBuyExceedOrEqualOneHundredPercent(); // The total of all buy deductions cannot equal or exceed 100%.
error DeployerOnly(); // This method can only be called by the deployer address.
error DeploymentError(); // Error on deployment.
error DepositBoxIsNotOpen(); // This action cannot complete as the deposit box is not open.
error DriPoolAddressCannotBeAddressZero(); // The Dri Pool address cannot be the zero address.
error GasLimitIsTooLow(); // The gas limit for the LayerZero call is too low.
error IncorrectConfirmationValue(); // You need to enter the right confirmation value to call this funtion (usually 69420).
error IncorrectPayment(); // The function call did not include passing the correct payment.
error InitialLiquidityAlreadyAdded(); // Initial liquidity has already been added. You can't do it again.
error InitialLiquidityNotYetAdded(); // Initial liquidity needs to have been added for this to succedd.
error InsufficientAllowance(); // There is not a high enough allowance for this operation.
error InvalidAdapterParams(); // The current adapter params for LayerZero on this contract won't work :(.
error InvalidAddress(); // An address being processed in the function is not valid.
error InvalidEndpointCaller(); // The calling address is not a valid LZ endpoint. The LZ endpoint was set at contract creation
// and cannot be altered after. Check the address LZ endpoint address on the contract.
error InvalidHash(); // The passed hash does not meet requirements.
error InvalidMinGas(); // The minimum gas setting for LZ in invalid.
error InvalidOracleSignature(); // The signature provided with the contract call is not valid, either in format or signer.
error InvalidPayload(); // The LZ payload is invalid
error InvalidReceiver(); // The address used as a target for funds is not valid.
error InvalidSourceSendingContract(); // The LZ message is being related from a source contract on another chain that is NOT trusted.
error InvalidTotalShares(); // Total shares must equal 100 percent in basis points.
error LimitsCanOnlyBeRaised(); // Limits are UP ONLY.
error LimitTooHigh(); // The limit has been set too high.
error ListLengthMismatch(); // Two or more lists were compared and they did not match length.
error LiquidityPoolMustBeAContractAddress(); // Cannot add a non-contract as a liquidity pool.
error LiquidityPoolCannotBeAddressZero(); // Cannot add a liquidity pool from the zero address.
error LPLockUpMustFitUint88(); // LP lockup is held in a uint88, so must fit.
error NoTrustedPathRecord(); // LZ needs a trusted path record for this to work. What's that, you ask?
error MachineAddressCannotBeAddressZero(); // Cannot set the machine address to the zero address.
error ManagerUnauthorizedAccount(); // The caller is not the pending manager.
error MaxBidQuantityIs255(); // Validation: as we use a uint8 array to track bid positions the max bid quantity is 255.
error MaxBuysPerBlockExceeded(); // You have exceeded the max buys per block.
error MaxPublicMintAllowanceExceeded(
uint256 requested,
uint256 alreadyMinted,
uint256 maxAllowance
); // The calling address has requested a quantity that would exceed the max allowance.
error MaxSupplyTooHigh(); // Max supply must fit in a uint128.
error MaxTokensPerWalletExceeded(); // The transfer would exceed the max tokens per wallet limit.
error MaxTokensPerTxnExceeded(); // The transfer would exceed the max tokens per transaction limit.
error MetadataIsLocked(); // The metadata on this contract is locked; it cannot be altered!
error MetadropFactoryOnlyOncePerReveal(); // This function can only be called (a) by the factory and, (b) just one time!
error MetadropModulesOnly(); // Can only be called from a metadrop contract.
error MetadropOracleCannotBeAddressZero(); // The metadrop Oracle cannot be the zero address (address(0)).
error MinETHCannotExceedMaxBuy(); // The min ETH amount cannot exceed the max buy amount.
error MinETHCannotExceedMaxLiquidity(); // The min ETH amount cannot exceed the max liquidity amount.
error MinGasLimitNotSet(); // The minimum gas limit for LayerZero has not been set.
error MintERC2309QuantityExceedsLimit(); // The `quantity` minted with ERC2309 exceeds the safety limit.
error MintingIsClosedForever(); // Minting is, as the error suggests, so over (and locked forever).
error MintToZeroAddress(); // Cannot mint to the zero address.
error MintZeroQuantity(); // The quantity of tokens minted must be more than zero.
error NewBuyTaxBasisPointsExceedsMaximum(); // Project owner trying to set the tax rate too high.
error NewSellTaxBasisPointsExceedsMaximum(); // Project owner trying to set the tax rate too high.
error NoETHForLiquidityPair(); // No ETH has been provided for the liquidity pair.
error TaxPeriodStillInForce(); // The minimum tax period has not yet expired.
error NoPaymentDue(); // No payment is due for this address.
error NoRefundForCaller(); // Error thrown when the calling address has no refund owed.
error NoStoredMessage(); // There is no stored message matching the passed parameters.
error NothingToClaim(); // The calling address has nothing to claim.
error NoTokenForLiquidityPair(); // There is no token to add to the LP.
error OperationDidNotSucceed(); // The operation failed (vague much?).
error OracleSignatureHasExpired(); // A signature has been provided but it is too old.
error OwnableUnauthorizedAccount(); // The caller is not the pending owner.
error OwnershipNotInitializedForExtraData(); // The `extraData` cannot be set on an uninitialized ownership slot.
error OwnerQueryForNonexistentToken(); // The token does not exist.
error ParametersDoNotMatchSignedMessage(); // The parameters passed with the signed message do not match the message itself.
error ParamTooLargeStartDate(); // The passed parameter exceeds the var type max.
error ParamTooLargeEndDate(); // The passed parameter exceeds the var type max.
error ParamTooLargeMinETH(); // The passed parameter exceeds the var type max.
error ParamTooLargePerAddressMax(); // The passed parameter exceeds the var type max.
error ParamTooLargeVestingDays(); // The passed parameter exceeds the var type max.
error ParamTooLargePoolSupply(); // The passed parameter exceeds the var type max.
error ParamTooLargePoolMaxETH(); // The passed parameter exceeds the var type max.
error ParamTooLargePoolPerTxnMinETH(); // The passed parameter exceeds the var type max.
error ParamTooLargeContributionFee(); // The passed parameter exceeds the var type max.
error ParamTooLargeMaxInitialBuy(); // The passed parameter exceeds the var type max.
error ParamTooLargeMaxInitialLiquidity(); // The passed parameter exceeds the var type max.
error PassedConfigDoesNotMatchApproved(); // The config provided on the call does not match the approved config.
error PauseCutOffHasPassed(); // The time period in which we can pause has passed; this contract can no longer be paused.
error PaymentMustCoverPerMintFee(); // The payment passed must at least cover the per mint fee for the quantity requested.
error PermitDidNotSucceed(); // The safeERC20 permit failed.
error PlatformAdminCannotBeAddressZero(); // We cannot use the zero address (address(0)) as a platformAdmin.
error PlatformTreasuryCannotBeAddressZero(); // The treasury address cannot be set to the zero address.
error PoolCannotBeManuallyStarted(); // This pool cannot be manually started.
error PoolIsAboveMinimum(); // You required the pool to be below the minimum, and it is not
error PoolIsBelowMinimum(); // You required the pool to be above the minimum, and it is not
error PoolMustBeSeededWithETHForInitialLiquidity(); // You must pass ETH for liquidity with this type of pool.
error PoolPhaseIsNotOpen(); // The block.timestamp is either before the pool is open or after it is closed.
error PoolPhaseIsNotFailed(); // The pool status must be failed.
error PoolPhaseIsNotSucceeded(); // The pool status must be succeeded.
error PoolVestingNotYetComplete(); // Tokens in the pool are not yet vested.
error ProjectOwnerCannotBeAddressZero(); // The project owner has to be a non zero address.
error ProofInvalid(); // The provided proof is not valid with the provided arguments.
error QuantityExceedsRemainingCollectionSupply(); // The requested quantity would breach the collection supply.
error QuantityExceedsRemainingPhaseSupply(); // The requested quantity would breach the phase supply.
error QuantityExceedsMaxPossibleCollectionSupply(); // The requested quantity would breach the maximum trackable supply
error RecipientsAndAmountsMismatch(); // The number of recipients and amounts do not match.
error ReferralIdAlreadyUsed(); // This referral ID has already been used; they are one use only.
error RequestingMoreThanAvailableBalance(); // The request exceeds the available balance.
error RequestingMoreThanRemainingAllocation(
uint256 previouslyMinted,
uint256 requested,
uint256 remainingAllocation
); // Number of tokens requested for this mint exceeds the remaining allocation (taking the
// original allocation from the list and deducting minted tokens).
error RouterCannotBeZeroAddress(); // The router address cannot be Zero.
error RoyaltyFeeWillExceedSalePrice(); // The ERC2981 royalty specified will exceed the sale price.
error ShareTotalCannotBeZero(); // The total of all the shares cannot be nothing.
error SliceOutOfBounds(); // The bytes slice operation was out of bounds.
error SliceOverflow(); // The bytes slice operation overlowed.
error SuperAdminCannotBeAddressZero(); // The superAdmin cannot be the sero address (address(0)).
error SupplyTotalMismatch(); // The sum of the team supply and lp supply does not match.
error SupportWindowIsNotOpen(); // The project owner has not requested support within the support request expiry window.
error SwapThresholdTooLow(); // The select swap threshold is below the minimum.
error TaxFreeAddressCannotBeAddressZero(); // A tax free address cannot be address(0)
error TemplateCannotBeAddressZero(); // The address for a template cannot be address zero (address(0)).
error TemplateNotFound(); // There is no template that matches the passed template Id.
error ThisMintIsClosed(); // It's over (well, this mint is, anyway).
error TotalSharesMustMatchDenominator(); // The total of all shares must equal the denominator value.
error TransferAmountExceedsBalance(); // The transfer amount exceeds the accounts available balance.
error TransferCallerNotOwnerNorApproved(); // The caller must own the token or be an approved operator.
error TransferFailed(); // The transfer has failed.
error TransferFromIncorrectOwner(); // The token must be owned by `from`.
error TransferToNonERC721ReceiverImplementer(); // Cannot safely transfer to a contract that does not implement the ERC721Receiver interface.
error TransferFromZeroAddress(); // Cannot transfer from the zero address. Indeed, this surely is impossible, and likely a waste to check??
error TransferToZeroAddress(); // Cannot transfer to the zero address.
error UnrecognisedVRFMode(); // Currently supported VRF modes are 0: chainlink and 1: arrng
error UnrecognisedType(); // Pool type not found.
error URIQueryForNonexistentToken(); // The token does not exist.
error ValueExceedsMaximum(); // The value sent exceeds the maximum allowed (super useful explanation huh?).
error VRFCoordinatorCannotBeAddressZero(); // The VRF coordinator cannot be the zero address (address(0)).
error VestedBalanceExceedsTotalBalance(); // The vested balance cannot exceed the total balance.
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/math/Math.sol)
pragma solidity ^0.8.0;
/**
* @dev Standard math utilities missing in the Solidity language.
*/
library Math {
enum Rounding {
Down, // Toward negative infinity
Up, // Toward infinity
Zero // Toward zero
}
/**
* @dev Returns the largest of two numbers.
*/
function max(uint256 a, uint256 b) internal pure returns (uint256) {
return a > b ? a : b;
}
/**
* @dev Returns the smallest of two numbers.
*/
function min(uint256 a, uint256 b) internal pure returns (uint256) {
return a < b ? a : b;
}
/**
* @dev Returns the average of two numbers. The result is rounded towards
* zero.
*/
function average(uint256 a, uint256 b) internal pure returns (uint256) {
// (a + b) / 2 can overflow.
return (a & b) + (a ^ b) / 2;
}
/**
* @dev Returns the ceiling of the division of two numbers.
*
* This differs from standard division with `/` in that it rounds up instead
* of rounding down.
*/
function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
// (a + b - 1) / b can overflow on addition, so we distribute.
return a == 0 ? 0 : (a - 1) / b + 1;
}
/**
* @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
* @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
* with further edits by Uniswap Labs also under MIT license.
*/
function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {
unchecked {
// 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
// use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
// variables such that product = prod1 * 2^256 + prod0.
uint256 prod0; // Least significant 256 bits of the product
uint256 prod1; // Most significant 256 bits of the product
assembly {
let mm := mulmod(x, y, not(0))
prod0 := mul(x, y)
prod1 := sub(sub(mm, prod0), lt(mm, prod0))
}
// Handle non-overflow cases, 256 by 256 division.
if (prod1 == 0) {
// Solidity will revert if denominator == 0, unlike the div opcode on its own.
// The surrounding unchecked block does not change this fact.
// See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.
return prod0 / denominator;
}
// Make sure the result is less than 2^256. Also prevents denominator == 0.
require(denominator > prod1, "Math: mulDiv overflow");
///////////////////////////////////////////////
// 512 by 256 division.
///////////////////////////////////////////////
// Make division exact by subtracting the remainder from [prod1 prod0].
uint256 remainder;
assembly {
// Compute remainder using mulmod.
remainder := mulmod(x, y, denominator)
// Subtract 256 bit number from 512 bit number.
prod1 := sub(prod1, gt(remainder, prod0))
prod0 := sub(prod0, remainder)
}
// Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
// See https://cs.stackexchange.com/q/138556/92363.
// Does not overflow because the denominator cannot be zero at this stage in the function.
uint256 twos = denominator & (~denominator + 1);
assembly {
// Divide denominator by twos.
denominator := div(denominator, twos)
// Divide [prod1 prod0] by twos.
prod0 := div(prod0, twos)
// Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
twos := add(div(sub(0, twos), twos), 1)
}
// Shift in bits from prod1 into prod0.
prod0 |= prod1 * twos;
// Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
// that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
// four bits. That is, denominator * inv = 1 mod 2^4.
uint256 inverse = (3 * denominator) ^ 2;
// Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
// in modular arithmetic, doubling the correct bits in each step.
inverse *= 2 - denominator * inverse; // inverse mod 2^8
inverse *= 2 - denominator * inverse; // inverse mod 2^16
inverse *= 2 - denominator * inverse; // inverse mod 2^32
inverse *= 2 - denominator * inverse; // inverse mod 2^64
inverse *= 2 - denominator * inverse; // inverse mod 2^128
inverse *= 2 - denominator * inverse; // inverse mod 2^256
// Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
// This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
// less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
// is no longer required.
result = prod0 * inverse;
return result;
}
}
/**
* @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
*/
function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {
uint256 result = mulDiv(x, y, denominator);
if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
result += 1;
}
return result;
}
/**
* @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
*
* Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
*/
function sqrt(uint256 a) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
// For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
//
// We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
// `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
//
// This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
// → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
// → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
//
// Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
uint256 result = 1 << (log2(a) >> 1);
// At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
// since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
// every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
// into the expected uint128 result.
unchecked {
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
return min(result, a / result);
}
}
/**
* @notice Calculates sqrt(a), following the selected rounding direction.
*/
function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = sqrt(a);
return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
}
}
/**
* @dev Return the log in base 2, rounded down, of a positive value.
* Returns 0 if given 0.
*/
function log2(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >> 128 > 0) {
value >>= 128;
result += 128;
}
if (value >> 64 > 0) {
value >>= 64;
result += 64;
}
if (value >> 32 > 0) {
value >>= 32;
result += 32;
}
if (value >> 16 > 0) {
value >>= 16;
result += 16;
}
if (value >> 8 > 0) {
value >>= 8;
result += 8;
}
if (value >> 4 > 0) {
value >>= 4;
result += 4;
}
if (value >> 2 > 0) {
value >>= 2;
result += 2;
}
if (value >> 1 > 0) {
result += 1;
}
}
return result;
}
/**
* @dev Return the log in base 2, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log2(value);
return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
}
}
/**
* @dev Return the log in base 10, rounded down, of a positive value.
* Returns 0 if given 0.
*/
function log10(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >= 10 ** 64) {
value /= 10 ** 64;
result += 64;
}
if (value >= 10 ** 32) {
value /= 10 ** 32;
result += 32;
}
if (value >= 10 ** 16) {
value /= 10 ** 16;
result += 16;
}
if (value >= 10 ** 8) {
value /= 10 ** 8;
result += 8;
}
if (value >= 10 ** 4) {
value /= 10 ** 4;
result += 4;
}
if (value >= 10 ** 2) {
value /= 10 ** 2;
result += 2;
}
if (value >= 10 ** 1) {
result += 1;
}
}
return result;
}
/**
* @dev Return the log in base 10, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log10(value);
return result + (rounding == Rounding.Up && 10 ** result < value ? 1 : 0);
}
}
/**
* @dev Return the log in base 256, rounded down, of a positive value.
* Returns 0 if given 0.
*
* Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
*/
function log256(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >> 128 > 0) {
value >>= 128;
result += 16;
}
if (value >> 64 > 0) {
value >>= 64;
result += 8;
}
if (value >> 32 > 0) {
value >>= 32;
result += 4;
}
if (value >> 16 > 0) {
value >>= 16;
result += 2;
}
if (value >> 8 > 0) {
result += 1;
}
}
return result;
}
/**
* @dev Return the log in base 256, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log256(value);
return result + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0);
}
}
}
// SPDX-License-Identifier: MIT
// Metadrop Contracts (v2.1.0)
/**
*
* @title Revert.sol. For efficient reverts
*
* @author metadrop https://metadrop.com/
*
*/
pragma solidity 0.8.21;
abstract contract Revert {
/**
* @dev For more efficient reverts.
*/
function _revert(bytes4 errorSelector) internal pure {
assembly {
mstore(0x00, errorSelector)
revert(0x00, 0x04)
}
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SignedMath.sol)
pragma solidity ^0.8.0;
/**
* @dev Standard signed math utilities missing in the Solidity language.
*/
library SignedMath {
/**
* @dev Returns the largest of two signed numbers.
*/
function max(int256 a, int256 b) internal pure returns (int256) {
return a > b ? a : b;
}
/**
* @dev Returns the smallest of two signed numbers.
*/
function min(int256 a, int256 b) internal pure returns (int256) {
return a < b ? a : b;
}
/**
* @dev Returns the average of two signed numbers without overflow.
* The result is rounded towards zero.
*/
function average(int256 a, int256 b) internal pure returns (int256) {
// Formula from the book "Hacker's Delight"
int256 x = (a & b) + ((a ^ b) >> 1);
return x + (int256(uint256(x) >> 255) & (a ^ b));
}
/**
* @dev Returns the absolute unsigned value of a signed value.
*/
function abs(int256 n) internal pure returns (uint256) {
unchecked {
// must be unchecked in order to support `n = type(int256).min`
return uint256(n >= 0 ? n : -n);
}
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Strings.sol)
pragma solidity ^0.8.0;
import "./math/Math.sol";
import "./math/SignedMath.sol";
/**
* @dev String operations.
*/
library Strings {
bytes16 private constant _SYMBOLS = "0123456789abcdef";
uint8 private constant _ADDRESS_LENGTH = 20;
/**
* @dev Converts a `uint256` to its ASCII `string` decimal representation.
*/
function toString(uint256 value) internal pure returns (string memory) {
unchecked {
uint256 length = Math.log10(value) + 1;
string memory buffer = new string(length);
uint256 ptr;
/// @solidity memory-safe-assembly
assembly {
ptr := add(buffer, add(32, length))
}
while (true) {
ptr--;
/// @solidity memory-safe-assembly
assembly {
mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
}
value /= 10;
if (value == 0) break;
}
return buffer;
}
}
/**
* @dev Converts a `int256` to its ASCII `string` decimal representation.
*/
function toString(int256 value) internal pure returns (string memory) {
return string(abi.encodePacked(value < 0 ? "-" : "", toString(SignedMath.abs(value))));
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
*/
function toHexString(uint256 value) internal pure returns (string memory) {
unchecked {
return toHexString(value, Math.log256(value) + 1);
}
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
*/
function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
bytes memory buffer = new bytes(2 * length + 2);
buffer[0] = "0";
buffer[1] = "x";
for (uint256 i = 2 * length + 1; i > 1; --i) {
buffer[i] = _SYMBOLS[value & 0xf];
value >>= 4;
}
require(value == 0, "Strings: hex length insufficient");
return string(buffer);
}
/**
* @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
*/
function toHexString(address addr) internal pure returns (string memory) {
return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
}
/**
* @dev Returns true if the two strings are equal.
*/
function equal(string memory a, string memory b) internal pure returns (bool) {
return keccak256(bytes(a)) == keccak256(bytes(b));
}
}
// https://github.com/0xacme/ERC404
//SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;
abstract contract Ownable {
event OwnershipTransferred(address indexed user, address indexed newOwner);
error Unauthorized();
error InvalidOwner();
address public owner;
modifier onlyOwner() virtual {
if (msg.sender != owner) revert Unauthorized();
_;
}
constructor(address _owner) {
if (_owner == address(0)) revert InvalidOwner();
owner = _owner;
emit OwnershipTransferred(address(0), _owner);
}
function transferOwnership(address _owner) public virtual onlyOwner {
if (_owner == address(0)) revert InvalidOwner();
owner = _owner;
emit OwnershipTransferred(msg.sender, _owner);
}
function revokeOwnership() public virtual onlyOwner {
owner = address(0);
emit OwnershipTransferred(msg.sender, address(0));
}
}
abstract contract ERC721Receiver {
function onERC721Received(
address,
address,
uint256,
bytes calldata
) external virtual returns (bytes4) {
return ERC721Receiver.onERC721Received.selector;
}
}
/// @notice ERC404
/// A gas-efficient, mixed ERC20 / ERC721 implementation
/// with native liquidity and fractionalization.
///
/// This is an experimental standard designed to integrate
/// with pre-existing ERC20 / ERC721 support as smoothly as
/// possible.
///
/// @dev In order to support full functionality of ERC20 and ERC721
/// supply assumptions are made that slightly constraint usage.
/// Ensure decimals are sufficiently large (standard 18 recommended)
/// as ids are effectively encoded in the lowest range of amounts.
///
/// NFTs are spent on ERC20 functions in a FILO queue, this is by
/// design.
///
abstract contract ERC404 is Ownable {
// Events
event ERC20Transfer(address indexed from, address indexed to, uint256 amount);
event Approval(
address indexed owner,
address indexed spender,
uint256 amount
);
event Transfer(address indexed from, address indexed to, uint256 indexed id);
event ERC721Approval(
address indexed owner,
address indexed spender,
uint256 indexed id
);
event ApprovalForAll(
address indexed owner,
address indexed operator,
bool approved
);
// Errors
error NotFound();
error AlreadyExists();
error InvalidRecipient();
error InvalidSender();
error UnsafeRecipient();
// Metadata
/// @dev Token name
string public name;
/// @dev Token symbol
string public symbol;
/// @dev Decimals for fractional representation
uint8 public immutable decimals;
/// @dev Total supply in fractionalized representation
uint256 public immutable totalSupply;
/// @dev Current mint counter, monotonically increasing to ensure accurate ownership
uint256 public minted;
// Mappings
/// @dev Balance of user in fractional representation
mapping(address => uint256) public balanceOf;
/// @dev Allowance of user in fractional representation
mapping(address => mapping(address => uint256)) public allowance;
/// @dev Approval in native representaion
mapping(uint256 => address) public getApproved;
/// @dev Approval for all in native representation
mapping(address => mapping(address => bool)) public isApprovedForAll;
/// @dev Owner of id in native representation
mapping(uint256 => address) internal _ownerOf;
/// @dev Array of owned ids in native representation
mapping(address => uint256[]) internal _owned;
/// @dev Tracks indices for the _owned mapping
mapping(uint256 => uint256) internal _ownedIndex;
/// @dev Addresses whitelisted from minting / burning for gas savings (pairs, routers, etc)
mapping(address => bool) public whitelist;
// Constructor
constructor(
string memory _name,
string memory _symbol,
uint8 _decimals,
uint256 _totalNativeSupply,
address _owner
) Ownable(_owner) {
name = _name;
symbol = _symbol;
decimals = _decimals;
totalSupply = _totalNativeSupply * (10 ** decimals);
}
/// @notice Initialization function to set pairs / etc
/// saving gas by avoiding mint / burn on unnecessary targets
function setWhitelist(address target, bool state) public onlyOwner {
whitelist[target] = state;
}
/// @notice Function to find owner of a given native token
function ownerOf(uint256 id) public view virtual returns (address owner) {
owner = _ownerOf[id];
if (owner == address(0)) {
revert NotFound();
}
}
/// @notice tokenURI must be implemented by child contract
function tokenURI(uint256 id) public view virtual returns (string memory);
/// @notice Function for token approvals
/// @dev This function assumes id / native if amount less than or equal to current max id
function approve(
address spender,
uint256 amountOrId
) public virtual returns (bool) {
if (amountOrId <= minted && amountOrId > 0) {
address owner = _ownerOf[amountOrId];
if (msg.sender != owner && !isApprovedForAll[owner][msg.sender]) {
revert Unauthorized();
}
getApproved[amountOrId] = spender;
emit Approval(owner, spender, amountOrId);
} else {
allowance[msg.sender][spender] = amountOrId;
emit Approval(msg.sender, spender, amountOrId);
}
return true;
}
/// @notice Function native approvals
function setApprovalForAll(address operator, bool approved) public virtual {
isApprovedForAll[msg.sender][operator] = approved;
emit ApprovalForAll(msg.sender, operator, approved);
}
/// @notice Function for mixed transfers
/// @dev This function assumes id / native if amount less than or equal to current max id
function transferFrom(
address from,
address to,
uint256 amountOrId
) public virtual {
if (amountOrId <= minted) {
if (from != _ownerOf[amountOrId]) {
revert InvalidSender();
}
if (to == address(0)) {
revert InvalidRecipient();
}
if (
msg.sender != from &&
!isApprovedForAll[from][msg.sender] &&
msg.sender != getApproved[amountOrId]
) {
revert Unauthorized();
}
balanceOf[from] -= _getUnit();
unchecked {
balanceOf[to] += _getUnit();
}
_ownerOf[amountOrId] = to;
delete getApproved[amountOrId];
// update _owned for sender
uint256 updatedId = _owned[from][_owned[from].length - 1];
_owned[from][_ownedIndex[amountOrId]] = updatedId;
// pop
_owned[from].pop();
// update index for the moved id
_ownedIndex[updatedId] = _ownedIndex[amountOrId];
// push token to to owned
_owned[to].push(amountOrId);
// update index for to owned
_ownedIndex[amountOrId] = _owned[to].length - 1;
emit Transfer(from, to, amountOrId);
emit ERC20Transfer(from, to, _getUnit());
} else {
uint256 allowed = allowance[from][msg.sender];
if (from != address(this)) {
require(
allowed >= amountOrId,
"ERC404: transfer amount exceeds allowance"
);
if (allowed != type(uint256).max)
allowance[from][msg.sender] = allowed - amountOrId;
}
_transfer(from, to, amountOrId);
}
}
/// @notice Function for fractional transfers
function transfer(address to, uint256 amount) public virtual returns (bool) {
return _transfer(msg.sender, to, amount);
}
/// @notice Function for native transfers with contract support
function safeTransferFrom(
address from,
address to,
uint256 id
) public virtual {
transferFrom(from, to, id);
if (
to.code.length != 0 &&
ERC721Receiver(to).onERC721Received(msg.sender, from, id, "") !=
ERC721Receiver.onERC721Received.selector
) {
revert UnsafeRecipient();
}
}
/// @notice Function for native transfers with contract support and callback data
function safeTransferFrom(
address from,
address to,
uint256 id,
bytes calldata data
) public virtual {
transferFrom(from, to, id);
if (
to.code.length != 0 &&
ERC721Receiver(to).onERC721Received(msg.sender, from, id, data) !=
ERC721Receiver.onERC721Received.selector
) {
revert UnsafeRecipient();
}
}
/// @notice Internal function for fractional transfers
function _transfer(
address from,
address to,
uint256 amount
) internal returns (bool) {
uint256 unit = _getUnit();
uint256 balanceBeforeSender = balanceOf[from];
uint256 balanceBeforeReceiver = balanceOf[to];
balanceOf[from] -= amount;
unchecked {
balanceOf[to] += amount;
}
// Skip burn for certain addresses to save gas
if (!whitelist[from]) {
uint256 tokens_to_burn = (balanceBeforeSender / unit) -
(balanceOf[from] / unit);
for (uint256 i = 0; i < tokens_to_burn; i++) {
_burn(from);
}
}
// Skip minting for certain addresses to save gas
if (!whitelist[to]) {
uint256 tokens_to_mint = (balanceOf[to] / unit) -
(balanceBeforeReceiver / unit);
for (uint256 i = 0; i < tokens_to_mint; i++) {
_mint(to);
}
}
emit ERC20Transfer(from, to, amount);
return true;
}
// Internal utility logic
function _getUnit() internal view returns (uint256) {
return 10 ** decimals;
}
function _mint(address to) internal virtual {
if (to == address(0)) {
revert InvalidRecipient();
}
unchecked {
minted++;
}
uint256 id = minted;
if (_ownerOf[id] != address(0)) {
revert AlreadyExists();
}
_ownerOf[id] = to;
_owned[to].push(id);
_ownedIndex[id] = _owned[to].length - 1;
emit Transfer(address(0), to, id);
}
function _burn(address from) internal virtual {
if (from == address(0)) {
revert InvalidSender();
}
uint256 id = _owned[from][_owned[from].length - 1];
_owned[from].pop();
delete _ownedIndex[id];
delete _ownerOf[id];
delete getApproved[id];
emit Transfer(from, address(0), id);
}
function _setNameSymbol(string memory _name, string memory _symbol) internal {
name = _name;
symbol = _symbol;
}
}
{
"compilationTarget": {
"contracts/ERC404/ERC404M.sol": "ERC404M"
},
"evmVersion": "shanghai",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}
[{"inputs":[{"internalType":"string","name":"baseURI_","type":"string"},{"internalType":"address[]","name":"recipients_","type":"address[]"},{"internalType":"uint256[]","name":"amounts_","type":"uint256[]"},{"internalType":"string","name":"name_","type":"string"},{"internalType":"string","name":"symbol_","type":"string"},{"internalType":"uint8","name":"decimals_","type":"uint8"},{"internalType":"uint256","name":"totalNativeSupply_","type":"uint256"},{"internalType":"address","name":"owner_","type":"address"}],"stateMutability":"payable","type":"constructor"},{"inputs":[],"name":"AlreadyExists","type":"error"},{"inputs":[],"name":"InvalidOwner","type":"error"},{"inputs":[],"name":"InvalidRecipient","type":"error"},{"inputs":[],"name":"InvalidSender","type":"error"},{"inputs":[],"name":"NotFound","type":"error"},{"inputs":[],"name":"Unauthorized","type":"error"},{"inputs":[],"name":"UnsafeRecipient","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"ERC20Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"name","type":"string"},{"indexed":false,"internalType":"string","name":"symbol","type":"string"},{"indexed":false,"internalType":"uint256","name":"totalNativeSupply","type":"uint256"},{"indexed":true,"internalType":"address","name":"deployer","type":"address"}],"name":"ERC404MCreated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"}],"name":"ERC721Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amountOrId","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"minted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"owner","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"revokeOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"baseURI_","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"target","type":"address"},{"internalType":"bool","name":"state","type":"bool"}],"name":"setWhitelist","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId_","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amountOrId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"whitelist","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"}]