// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
pragma solidity ^0.8.0;
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
/// @notice Simple ERC1155 implementation.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/tokens/ERC1155.sol)
/// @author Modified from Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC1155.sol)
/// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/tree/master/contracts/token/ERC1155/ERC1155.sol)
/// Note:
/// The ERC1155 standard allows for self-approvals.
/// For performance, this implementation WILL NOT revert for such actions.
/// Please add any checks with overrides if desired.
abstract contract ERC1155 {
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* CUSTOM ERRORS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev The lengths of the input arrays are not the same.
error ArrayLengthsMismatch();
/// @dev Cannot mint or transfer to the zero address.
error TransferToZeroAddress();
/// @dev The recipient's balance has overflowed.
error AccountBalanceOverflow();
/// @dev Insufficient balance.
error InsufficientBalance();
/// @dev Only the token owner or an approved account can manage the tokens.
error NotOwnerNorApproved();
/// @dev Cannot safely transfer to a contract that does not implement
/// the ERC1155Receiver interface.
error TransferToNonERC1155ReceiverImplementer();
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* EVENTS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Emitted when `amount` of token `id` is transferred
/// from `from` to `to` by `operator`.
event TransferSingle(
address indexed operator,
address indexed from,
address indexed to,
uint256 id,
uint256 amount
);
/// @dev Emitted when `amounts` of token `ids` are transferred
/// from `from` to `to` by `operator`.
event TransferBatch(
address indexed operator,
address indexed from,
address indexed to,
uint256[] ids,
uint256[] amounts
);
/// @dev Emitted when `owner` enables or disables `operator` to manage all of their tokens.
event ApprovalForAll(address indexed owner, address indexed operator, bool isApproved);
/// @dev Emitted when the Uniform Resource Identifier (URI) for token `id`
/// is updated to `value`. This event is not used in the base contract.
/// You may need to emit this event depending on your URI logic.
///
/// See: https://eips.ethereum.org/EIPS/eip-1155#metadata
event URI(string value, uint256 indexed id);
/// @dev `keccak256(bytes("TransferSingle(address,address,address,uint256,uint256)"))`.
uint256 private constant _TRANSFER_SINGLE_EVENT_SIGNATURE =
0xc3d58168c5ae7397731d063d5bbf3d657854427343f4c083240f7aacaa2d0f62;
/// @dev `keccak256(bytes("TransferBatch(address,address,address,uint256[],uint256[])"))`.
uint256 private constant _TRANSFER_BATCH_EVENT_SIGNATURE =
0x4a39dc06d4c0dbc64b70af90fd698a233a518aa5d07e595d983b8c0526c8f7fb;
/// @dev `keccak256(bytes("ApprovalForAll(address,address,bool)"))`.
uint256 private constant _APPROVAL_FOR_ALL_EVENT_SIGNATURE =
0x17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31;
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* STORAGE */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev The `ownerSlotSeed` of a given owner is given by.
/// ```
/// let ownerSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, owner))
/// ```
///
/// The balance slot of `owner` is given by.
/// ```
/// mstore(0x20, ownerSlotSeed)
/// mstore(0x00, id)
/// let balanceSlot := keccak256(0x00, 0x40)
/// ```
///
/// The operator approval slot of `owner` is given by.
/// ```
/// mstore(0x20, ownerSlotSeed)
/// mstore(0x00, operator)
/// let operatorApprovalSlot := keccak256(0x0c, 0x34)
/// ```
uint256 private constant _ERC1155_MASTER_SLOT_SEED = 0x9a31110384e0b0c9;
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* ERC1155 METADATA */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Returns the URI for token `id`.
///
/// You can either return the same templated URI for all token IDs,
/// (e.g. "https://example.com/api/{id}.json"),
/// or return a unique URI for each `id`.
///
/// See: https://eips.ethereum.org/EIPS/eip-1155#metadata
function uri(uint256 id) public view virtual returns (string memory);
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* ERC1155 */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Returns the amount of `id` owned by `owner`.
function balanceOf(address owner, uint256 id) public view virtual returns (uint256 result) {
/// @solidity memory-safe-assembly
assembly {
mstore(0x20, _ERC1155_MASTER_SLOT_SEED)
mstore(0x14, owner)
mstore(0x00, id)
result := sload(keccak256(0x00, 0x40))
}
}
/// @dev Returns whether `operator` is approved to manage the tokens of `owner`.
function isApprovedForAll(address owner, address operator)
public
view
virtual
returns (bool result)
{
/// @solidity memory-safe-assembly
assembly {
mstore(0x20, _ERC1155_MASTER_SLOT_SEED)
mstore(0x14, owner)
mstore(0x00, operator)
result := sload(keccak256(0x0c, 0x34))
}
}
/// @dev Sets whether `operator` is approved to manage the tokens of the caller.
///
/// Emits a {ApprovalForAll} event.
function setApprovalForAll(address operator, bool isApproved) public virtual {
/// @solidity memory-safe-assembly
assembly {
// Convert to 0 or 1.
isApproved := iszero(iszero(isApproved))
// Update the `isApproved` for (`msg.sender`, `operator`).
mstore(0x20, _ERC1155_MASTER_SLOT_SEED)
mstore(0x14, caller())
mstore(0x00, operator)
sstore(keccak256(0x0c, 0x34), isApproved)
// Emit the {ApprovalForAll} event.
mstore(0x00, isApproved)
// forgefmt: disable-next-line
log3(0x00, 0x20, _APPROVAL_FOR_ALL_EVENT_SIGNATURE, caller(), shr(96, shl(96, operator)))
}
}
/// @dev Transfers `amount` of `id` from `from` to `to`.
///
/// Requirements:
/// - `to` cannot be the zero address.
/// - `from` must have at least `amount` of `id`.
/// - If the caller is not `from`,
/// it must be approved to manage the tokens of `from`.
/// - If `to` refers to a smart contract, it must implement
/// {ERC1155-onERC1155Reveived}, which is called upon a batch transfer.
///
/// Emits a {Transfer} event.
function safeTransferFrom(
address from,
address to,
uint256 id,
uint256 amount,
bytes calldata data
) public virtual {
if (_useBeforeTokenTransfer()) {
_beforeTokenTransfer(from, to, _single(id), _single(amount), data);
}
/// @solidity memory-safe-assembly
assembly {
let fromSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, from))
let toSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, to))
mstore(0x20, fromSlotSeed)
// Clear the upper 96 bits.
from := shr(96, fromSlotSeed)
to := shr(96, toSlotSeed)
// Revert if `to` is the zero address.
if iszero(to) {
mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.
revert(0x1c, 0x04)
}
// If the caller is not `from`, do the authorization check.
if iszero(eq(caller(), from)) {
mstore(0x00, caller())
if iszero(sload(keccak256(0x0c, 0x34))) {
mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.
revert(0x1c, 0x04)
}
}
// Subtract and store the updated balance of `from`.
{
mstore(0x00, id)
let fromBalanceSlot := keccak256(0x00, 0x40)
let fromBalance := sload(fromBalanceSlot)
if gt(amount, fromBalance) {
mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.
revert(0x1c, 0x04)
}
sstore(fromBalanceSlot, sub(fromBalance, amount))
}
// Increase and store the updated balance of `to`.
{
mstore(0x20, toSlotSeed)
let toBalanceSlot := keccak256(0x00, 0x40)
let toBalanceBefore := sload(toBalanceSlot)
let toBalanceAfter := add(toBalanceBefore, amount)
if lt(toBalanceAfter, toBalanceBefore) {
mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.
revert(0x1c, 0x04)
}
sstore(toBalanceSlot, toBalanceAfter)
}
// Emit a {TransferSingle} event.
mstore(0x20, amount)
log4(0x00, 0x40, _TRANSFER_SINGLE_EVENT_SIGNATURE, caller(), from, to)
}
if (_useAfterTokenTransfer()) {
_afterTokenTransfer(from, to, _single(id), _single(amount), data);
}
/// @solidity memory-safe-assembly
assembly {
// Do the {onERC1155Received} check if `to` is a smart contract.
if extcodesize(to) {
// Prepare the calldata.
let m := mload(0x40)
// `onERC1155Received(address,address,uint256,uint256,bytes)`.
mstore(m, 0xf23a6e61)
mstore(add(m, 0x20), caller())
mstore(add(m, 0x40), from)
mstore(add(m, 0x60), id)
mstore(add(m, 0x80), amount)
mstore(add(m, 0xa0), 0xa0)
calldatacopy(add(m, 0xc0), sub(data.offset, 0x20), add(0x20, data.length))
// Revert if the call reverts.
if iszero(call(gas(), to, 0, add(m, 0x1c), add(0xc4, data.length), m, 0x20)) {
if returndatasize() {
// Bubble up the revert if the call reverts.
returndatacopy(0x00, 0x00, returndatasize())
revert(0x00, returndatasize())
}
mstore(m, 0)
}
// Load the returndata and compare it with the function selector.
if iszero(eq(mload(m), shl(224, 0xf23a6e61))) {
mstore(0x00, 0x9c05499b) // `TransferToNonERC1155ReceiverImplementer()`.
revert(0x1c, 0x04)
}
}
}
}
/// @dev Transfers `amounts` of `ids` from `from` to `to`.
///
/// Requirements:
/// - `to` cannot be the zero address.
/// - `from` must have at least `amount` of `id`.
/// - `ids` and `amounts` must have the same length.
/// - If the caller is not `from`,
/// it must be approved to manage the tokens of `from`.
/// - If `to` refers to a smart contract, it must implement
/// {ERC1155-onERC1155BatchReveived}, which is called upon a batch transfer.
///
/// Emits a {TransferBatch} event.
function safeBatchTransferFrom(
address from,
address to,
uint256[] calldata ids,
uint256[] calldata amounts,
bytes calldata data
) public virtual {
if (_useBeforeTokenTransfer()) {
_beforeTokenTransfer(from, to, ids, amounts, data);
}
/// @solidity memory-safe-assembly
assembly {
if iszero(eq(ids.length, amounts.length)) {
mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.
revert(0x1c, 0x04)
}
let fromSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, from))
let toSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, to))
mstore(0x20, fromSlotSeed)
// Clear the upper 96 bits.
from := shr(96, fromSlotSeed)
to := shr(96, toSlotSeed)
// Revert if `to` is the zero address.
if iszero(to) {
mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.
revert(0x1c, 0x04)
}
// If the caller is not `from`, do the authorization check.
if iszero(eq(caller(), from)) {
mstore(0x00, caller())
if iszero(sload(keccak256(0x0c, 0x34))) {
mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.
revert(0x1c, 0x04)
}
}
// Loop through all the `ids` and update the balances.
{
let end := shl(5, ids.length)
for { let i := 0 } iszero(eq(i, end)) { i := add(i, 0x20) } {
let amount := calldataload(add(amounts.offset, i))
// Subtract and store the updated balance of `from`.
{
mstore(0x20, fromSlotSeed)
mstore(0x00, calldataload(add(ids.offset, i)))
let fromBalanceSlot := keccak256(0x00, 0x40)
let fromBalance := sload(fromBalanceSlot)
if gt(amount, fromBalance) {
mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.
revert(0x1c, 0x04)
}
sstore(fromBalanceSlot, sub(fromBalance, amount))
}
// Increase and store the updated balance of `to`.
{
mstore(0x20, toSlotSeed)
let toBalanceSlot := keccak256(0x00, 0x40)
let toBalanceBefore := sload(toBalanceSlot)
let toBalanceAfter := add(toBalanceBefore, amount)
if lt(toBalanceAfter, toBalanceBefore) {
mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.
revert(0x1c, 0x04)
}
sstore(toBalanceSlot, toBalanceAfter)
}
}
}
// Emit a {TransferBatch} event.
{
let m := mload(0x40)
// Copy the `ids`.
mstore(m, 0x40)
let n := add(0x20, shl(5, ids.length))
let o := add(m, 0x40)
calldatacopy(o, sub(ids.offset, 0x20), n)
// Copy the `amounts`.
mstore(add(m, 0x20), add(0x40, n))
o := add(o, n)
n := add(0x20, shl(5, amounts.length))
calldatacopy(o, sub(amounts.offset, 0x20), n)
n := sub(add(o, n), m)
// Do the emit.
log4(m, n, _TRANSFER_BATCH_EVENT_SIGNATURE, caller(), from, to)
}
}
if (_useAfterTokenTransfer()) {
_afterTokenTransferCalldata(from, to, ids, amounts, data);
}
/// @solidity memory-safe-assembly
assembly {
// Do the {onERC1155BatchReceived} check if `to` is a smart contract.
if extcodesize(to) {
let m := mload(0x40)
// Prepare the calldata.
// `onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)`.
mstore(m, 0xbc197c81)
mstore(add(m, 0x20), caller())
mstore(add(m, 0x40), from)
// Copy the `ids`.
mstore(add(m, 0x60), 0xa0)
let n := add(0x20, shl(5, ids.length))
let o := add(m, 0xc0)
calldatacopy(o, sub(ids.offset, 0x20), n)
// Copy the `amounts`.
let s := add(0xa0, n)
mstore(add(m, 0x80), s)
o := add(o, n)
n := add(0x20, shl(5, amounts.length))
calldatacopy(o, sub(amounts.offset, 0x20), n)
// Copy the `data`.
mstore(add(m, 0xa0), add(s, n))
o := add(o, n)
n := add(0x20, data.length)
calldatacopy(o, sub(data.offset, 0x20), n)
n := sub(add(o, n), add(m, 0x1c))
// Revert if the call reverts.
if iszero(call(gas(), to, 0, add(m, 0x1c), n, m, 0x20)) {
if returndatasize() {
// Bubble up the revert if the call reverts.
returndatacopy(0x00, 0x00, returndatasize())
revert(0x00, returndatasize())
}
mstore(m, 0)
}
// Load the returndata and compare it with the function selector.
if iszero(eq(mload(m), shl(224, 0xbc197c81))) {
mstore(0x00, 0x9c05499b) // `TransferToNonERC1155ReceiverImplementer()`.
revert(0x1c, 0x04)
}
}
}
}
/// @dev Returns the amounts of `ids` for `owners.
///
/// Requirements:
/// - `owners` and `ids` must have the same length.
function balanceOfBatch(address[] calldata owners, uint256[] calldata ids)
public
view
virtual
returns (uint256[] memory balances)
{
/// @solidity memory-safe-assembly
assembly {
if iszero(eq(ids.length, owners.length)) {
mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.
revert(0x1c, 0x04)
}
balances := mload(0x40)
mstore(balances, ids.length)
let o := add(balances, 0x20)
let end := shl(5, ids.length)
mstore(0x40, add(end, o))
// Loop through all the `ids` and load the balances.
for { let i := 0 } iszero(eq(i, end)) { i := add(i, 0x20) } {
let owner := calldataload(add(owners.offset, i))
mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, shl(96, owner)))
mstore(0x00, calldataload(add(ids.offset, i)))
mstore(add(o, i), sload(keccak256(0x00, 0x40)))
}
}
}
/// @dev Returns true if this contract implements the interface defined by `interfaceId`.
/// See: https://eips.ethereum.org/EIPS/eip-165
/// This function call must use less than 30000 gas.
function supportsInterface(bytes4 interfaceId) public view virtual returns (bool result) {
/// @solidity memory-safe-assembly
assembly {
let s := shr(224, interfaceId)
// ERC165: 0x01ffc9a7, ERC1155: 0xd9b67a26, ERC1155MetadataURI: 0x0e89341c.
result := or(or(eq(s, 0x01ffc9a7), eq(s, 0xd9b67a26)), eq(s, 0x0e89341c))
}
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* INTERNAL MINT FUNCTIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Mints `amount` of `id` to `to`.
///
/// Requirements:
/// - `to` cannot be the zero address.
/// - If `to` refers to a smart contract, it must implement
/// {ERC1155-onERC1155Reveived}, which is called upon a batch transfer.
///
/// Emits a {Transfer} event.
function _mint(address to, uint256 id, uint256 amount, bytes memory data) internal virtual {
if (_useBeforeTokenTransfer()) {
_beforeTokenTransfer(address(0), to, _single(id), _single(amount), data);
}
/// @solidity memory-safe-assembly
assembly {
let to_ := shl(96, to)
// Revert if `to` is the zero address.
if iszero(to_) {
mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.
revert(0x1c, 0x04)
}
// Increase and store the updated balance of `to`.
{
mstore(0x20, _ERC1155_MASTER_SLOT_SEED)
mstore(0x14, to)
mstore(0x00, id)
let toBalanceSlot := keccak256(0x00, 0x40)
let toBalanceBefore := sload(toBalanceSlot)
let toBalanceAfter := add(toBalanceBefore, amount)
if lt(toBalanceAfter, toBalanceBefore) {
mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.
revert(0x1c, 0x04)
}
sstore(toBalanceSlot, toBalanceAfter)
}
// Emit a {TransferSingle} event.
mstore(0x00, id)
mstore(0x20, amount)
log4(0x00, 0x40, _TRANSFER_SINGLE_EVENT_SIGNATURE, caller(), 0, shr(96, to_))
}
if (_useAfterTokenTransfer()) {
_afterTokenTransfer(address(0), to, _single(id), _single(amount), data);
}
if (_hasCode(to)) _checkOnERC1155Received(address(0), to, id, amount, data);
}
/// @dev Mints `amounts` of `ids` to `to`.
///
/// Requirements:
/// - `to` cannot be the zero address.
/// - `ids` and `amounts` must have the same length.
/// - If `to` refers to a smart contract, it must implement
/// {ERC1155-onERC1155BatchReveived}, which is called upon a batch transfer.
///
/// Emits a {TransferBatch} event.
function _batchMint(
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal virtual {
if (_useBeforeTokenTransfer()) {
_beforeTokenTransfer(address(0), to, ids, amounts, data);
}
/// @solidity memory-safe-assembly
assembly {
if iszero(eq(mload(ids), mload(amounts))) {
mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.
revert(0x1c, 0x04)
}
let to_ := shl(96, to)
// Revert if `to` is the zero address.
if iszero(to_) {
mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.
revert(0x1c, 0x04)
}
// Loop through all the `ids` and update the balances.
{
mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, to_))
let end := shl(5, mload(ids))
for { let i := 0 } iszero(eq(i, end)) {} {
i := add(i, 0x20)
let amount := mload(add(amounts, i))
// Increase and store the updated balance of `to`.
{
mstore(0x00, mload(add(ids, i)))
let toBalanceSlot := keccak256(0x00, 0x40)
let toBalanceBefore := sload(toBalanceSlot)
let toBalanceAfter := add(toBalanceBefore, amount)
if lt(toBalanceAfter, toBalanceBefore) {
mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.
revert(0x1c, 0x04)
}
sstore(toBalanceSlot, toBalanceAfter)
}
}
}
// Emit a {TransferBatch} event.
{
let m := mload(0x40)
// Copy the `ids`.
mstore(m, 0x40)
let n := add(0x20, shl(5, mload(ids)))
let o := add(m, 0x40)
pop(staticcall(gas(), 4, ids, n, o, n))
// Copy the `amounts`.
mstore(add(m, 0x20), add(0x40, returndatasize()))
o := add(o, returndatasize())
n := add(0x20, shl(5, mload(amounts)))
pop(staticcall(gas(), 4, amounts, n, o, n))
n := sub(add(o, returndatasize()), m)
// Do the emit.
log4(m, n, _TRANSFER_BATCH_EVENT_SIGNATURE, caller(), 0, shr(96, to_))
}
}
if (_useAfterTokenTransfer()) {
_afterTokenTransfer(address(0), to, ids, amounts, data);
}
if (_hasCode(to)) _checkOnERC1155BatchReceived(address(0), to, ids, amounts, data);
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* INTERNAL BURN FUNCTIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Equivalent to `_burn(address(0), from, id, amount)`.
function _burn(address from, uint256 id, uint256 amount) internal virtual {
_burn(address(0), from, id, amount);
}
/// @dev Destroys `amount` of `id` from `from`.
///
/// Requirements:
/// - `from` must have at least `amount` of `id`.
/// - If `by` is not the zero address, it must be either `from`,
/// or approved to manage the tokens of `from`.
///
/// Emits a {Transfer} event.
function _burn(address by, address from, uint256 id, uint256 amount) internal virtual {
if (_useBeforeTokenTransfer()) {
_beforeTokenTransfer(from, address(0), _single(id), _single(amount), "");
}
/// @solidity memory-safe-assembly
assembly {
let from_ := shl(96, from)
mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, from_))
// If `by` is not the zero address, and not equal to `from`,
// check if it is approved to manage all the tokens of `from`.
if iszero(or(iszero(shl(96, by)), eq(shl(96, by), from_))) {
mstore(0x00, by)
if iszero(sload(keccak256(0x0c, 0x34))) {
mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.
revert(0x1c, 0x04)
}
}
// Decrease and store the updated balance of `from`.
{
mstore(0x00, id)
let fromBalanceSlot := keccak256(0x00, 0x40)
let fromBalance := sload(fromBalanceSlot)
if gt(amount, fromBalance) {
mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.
revert(0x1c, 0x04)
}
sstore(fromBalanceSlot, sub(fromBalance, amount))
}
// Emit a {TransferSingle} event.
mstore(0x00, id)
mstore(0x20, amount)
log4(0x00, 0x40, _TRANSFER_SINGLE_EVENT_SIGNATURE, caller(), shr(96, from_), 0)
}
if (_useAfterTokenTransfer()) {
_afterTokenTransfer(from, address(0), _single(id), _single(amount), "");
}
}
/// @dev Equivalent to `_batchBurn(address(0), from, ids, amounts)`.
function _batchBurn(address from, uint256[] memory ids, uint256[] memory amounts)
internal
virtual
{
_batchBurn(address(0), from, ids, amounts);
}
/// @dev Destroys `amounts` of `ids` from `from`.
///
/// Requirements:
/// - `ids` and `amounts` must have the same length.
/// - `from` must have at least `amounts` of `ids`.
/// - If `by` is not the zero address, it must be either `from`,
/// or approved to manage the tokens of `from`.
///
/// Emits a {TransferBatch} event.
function _batchBurn(address by, address from, uint256[] memory ids, uint256[] memory amounts)
internal
virtual
{
if (_useBeforeTokenTransfer()) {
_beforeTokenTransfer(from, address(0), ids, amounts, "");
}
/// @solidity memory-safe-assembly
assembly {
if iszero(eq(mload(ids), mload(amounts))) {
mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.
revert(0x1c, 0x04)
}
let from_ := shl(96, from)
mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, from_))
// If `by` is not the zero address, and not equal to `from`,
// check if it is approved to manage all the tokens of `from`.
let by_ := shl(96, by)
if iszero(or(iszero(by_), eq(by_, from_))) {
mstore(0x00, by)
if iszero(sload(keccak256(0x0c, 0x34))) {
mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.
revert(0x1c, 0x04)
}
}
// Loop through all the `ids` and update the balances.
{
let end := shl(5, mload(ids))
for { let i := 0 } iszero(eq(i, end)) {} {
i := add(i, 0x20)
let amount := mload(add(amounts, i))
// Decrease and store the updated balance of `to`.
{
mstore(0x00, mload(add(ids, i)))
let fromBalanceSlot := keccak256(0x00, 0x40)
let fromBalance := sload(fromBalanceSlot)
if gt(amount, fromBalance) {
mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.
revert(0x1c, 0x04)
}
sstore(fromBalanceSlot, sub(fromBalance, amount))
}
}
}
// Emit a {TransferBatch} event.
{
let m := mload(0x40)
// Copy the `ids`.
mstore(m, 0x40)
let n := add(0x20, shl(5, mload(ids)))
let o := add(m, 0x40)
pop(staticcall(gas(), 4, ids, n, o, n))
// Copy the `amounts`.
mstore(add(m, 0x20), add(0x40, returndatasize()))
o := add(o, returndatasize())
n := add(0x20, shl(5, mload(amounts)))
pop(staticcall(gas(), 4, amounts, n, o, n))
n := sub(add(o, returndatasize()), m)
// Do the emit.
log4(m, n, _TRANSFER_BATCH_EVENT_SIGNATURE, caller(), shr(96, from_), 0)
}
}
if (_useAfterTokenTransfer()) {
_afterTokenTransfer(from, address(0), ids, amounts, "");
}
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* INTERNAL APPROVAL FUNCTIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Approve or remove the `operator` as an operator for `by`,
/// without authorization checks.
///
/// Emits a {ApprovalForAll} event.
function _setApprovalForAll(address by, address operator, bool isApproved) internal virtual {
/// @solidity memory-safe-assembly
assembly {
// Convert to 0 or 1.
isApproved := iszero(iszero(isApproved))
// Update the `isApproved` for (`by`, `operator`).
mstore(0x20, _ERC1155_MASTER_SLOT_SEED)
mstore(0x14, by)
mstore(0x00, operator)
sstore(keccak256(0x0c, 0x34), isApproved)
// Emit the {ApprovalForAll} event.
mstore(0x00, isApproved)
let m := shr(96, not(0))
log3(0x00, 0x20, _APPROVAL_FOR_ALL_EVENT_SIGNATURE, and(m, by), and(m, operator))
}
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* INTERNAL TRANSFER FUNCTIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Equivalent to `_safeTransfer(address(0), from, to, id, amount, data)`.
function _safeTransfer(address from, address to, uint256 id, uint256 amount, bytes memory data)
internal
virtual
{
_safeTransfer(address(0), from, to, id, amount, data);
}
/// @dev Transfers `amount` of `id` from `from` to `to`.
///
/// Requirements:
/// - `to` cannot be the zero address.
/// - `from` must have at least `amount` of `id`.
/// - If `by` is not the zero address, it must be either `from`,
/// or approved to manage the tokens of `from`.
/// - If `to` refers to a smart contract, it must implement
/// {ERC1155-onERC1155Reveived}, which is called upon a batch transfer.
///
/// Emits a {Transfer} event.
function _safeTransfer(
address by,
address from,
address to,
uint256 id,
uint256 amount,
bytes memory data
) internal virtual {
if (_useBeforeTokenTransfer()) {
_beforeTokenTransfer(from, to, _single(id), _single(amount), data);
}
/// @solidity memory-safe-assembly
assembly {
let from_ := shl(96, from)
let to_ := shl(96, to)
// Revert if `to` is the zero address.
if iszero(to_) {
mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.
revert(0x1c, 0x04)
}
mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, from_))
// If `by` is not the zero address, and not equal to `from`,
// check if it is approved to manage all the tokens of `from`.
let by_ := shl(96, by)
if iszero(or(iszero(by_), eq(by_, from_))) {
mstore(0x00, by)
if iszero(sload(keccak256(0x0c, 0x34))) {
mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.
revert(0x1c, 0x04)
}
}
// Subtract and store the updated balance of `from`.
{
mstore(0x00, id)
let fromBalanceSlot := keccak256(0x00, 0x40)
let fromBalance := sload(fromBalanceSlot)
if gt(amount, fromBalance) {
mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.
revert(0x1c, 0x04)
}
sstore(fromBalanceSlot, sub(fromBalance, amount))
}
// Increase and store the updated balance of `to`.
{
mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, to_))
let toBalanceSlot := keccak256(0x00, 0x40)
let toBalanceBefore := sload(toBalanceSlot)
let toBalanceAfter := add(toBalanceBefore, amount)
if lt(toBalanceAfter, toBalanceBefore) {
mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.
revert(0x1c, 0x04)
}
sstore(toBalanceSlot, toBalanceAfter)
}
// Emit a {TransferSingle} event.
mstore(0x20, amount)
// forgefmt: disable-next-line
log4(0x00, 0x40, _TRANSFER_SINGLE_EVENT_SIGNATURE, caller(), shr(96, from_), shr(96, to_))
}
if (_useAfterTokenTransfer()) {
_afterTokenTransfer(from, to, _single(id), _single(amount), data);
}
if (_hasCode(to)) _checkOnERC1155Received(from, to, id, amount, data);
}
/// @dev Equivalent to `_safeBatchTransfer(address(0), from, to, ids, amounts, data)`.
function _safeBatchTransfer(
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal virtual {
_safeBatchTransfer(address(0), from, to, ids, amounts, data);
}
/// @dev Transfers `amounts` of `ids` from `from` to `to`.
///
/// Requirements:
/// - `to` cannot be the zero address.
/// - `ids` and `amounts` must have the same length.
/// - `from` must have at least `amounts` of `ids`.
/// - If `by` is not the zero address, it must be either `from`,
/// or approved to manage the tokens of `from`.
/// - If `to` refers to a smart contract, it must implement
/// {ERC1155-onERC1155BatchReveived}, which is called upon a batch transfer.
///
/// Emits a {TransferBatch} event.
function _safeBatchTransfer(
address by,
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal virtual {
if (_useBeforeTokenTransfer()) {
_beforeTokenTransfer(from, to, ids, amounts, data);
}
/// @solidity memory-safe-assembly
assembly {
if iszero(eq(mload(ids), mload(amounts))) {
mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`.
revert(0x1c, 0x04)
}
let from_ := shl(96, from)
let to_ := shl(96, to)
// Revert if `to` is the zero address.
if iszero(to_) {
mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`.
revert(0x1c, 0x04)
}
let fromSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, from_)
let toSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, to_)
mstore(0x20, fromSlotSeed)
// If `by` is not the zero address, and not equal to `from`,
// check if it is approved to manage all the tokens of `from`.
let by_ := shl(96, by)
if iszero(or(iszero(by_), eq(by_, from_))) {
mstore(0x00, by)
if iszero(sload(keccak256(0x0c, 0x34))) {
mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`.
revert(0x1c, 0x04)
}
}
// Loop through all the `ids` and update the balances.
{
let end := shl(5, mload(ids))
for { let i := 0 } iszero(eq(i, end)) {} {
i := add(i, 0x20)
let amount := mload(add(amounts, i))
// Subtract and store the updated balance of `from`.
{
mstore(0x20, fromSlotSeed)
mstore(0x00, mload(add(ids, i)))
let fromBalanceSlot := keccak256(0x00, 0x40)
let fromBalance := sload(fromBalanceSlot)
if gt(amount, fromBalance) {
mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`.
revert(0x1c, 0x04)
}
sstore(fromBalanceSlot, sub(fromBalance, amount))
}
// Increase and store the updated balance of `to`.
{
mstore(0x20, toSlotSeed)
let toBalanceSlot := keccak256(0x00, 0x40)
let toBalanceBefore := sload(toBalanceSlot)
let toBalanceAfter := add(toBalanceBefore, amount)
if lt(toBalanceAfter, toBalanceBefore) {
mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`.
revert(0x1c, 0x04)
}
sstore(toBalanceSlot, toBalanceAfter)
}
}
}
// Emit a {TransferBatch} event.
{
let m := mload(0x40)
// Copy the `ids`.
mstore(m, 0x40)
let n := add(0x20, shl(5, mload(ids)))
let o := add(m, 0x40)
pop(staticcall(gas(), 4, ids, n, o, n))
// Copy the `amounts`.
mstore(add(m, 0x20), add(0x40, returndatasize()))
o := add(o, returndatasize())
n := add(0x20, shl(5, mload(amounts)))
pop(staticcall(gas(), 4, amounts, n, o, n))
n := sub(add(o, returndatasize()), m)
// Do the emit.
log4(m, n, _TRANSFER_BATCH_EVENT_SIGNATURE, caller(), shr(96, from_), shr(96, to_))
}
}
if (_useAfterTokenTransfer()) {
_afterTokenTransfer(from, to, ids, amounts, data);
}
if (_hasCode(to)) _checkOnERC1155BatchReceived(from, to, ids, amounts, data);
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* HOOKS FOR OVERRIDING */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Override this function to return true if `_beforeTokenTransfer` is used.
/// The is to help the compiler avoid producing dead bytecode.
function _useBeforeTokenTransfer() internal view virtual returns (bool) {
return false;
}
/// @dev Hook that is called before any token transfer.
/// This includes minting and burning, as well as batched variants.
///
/// The same hook is called on both single and batched variants.
/// For single transfers, the length of the `id` and `amount` arrays are 1.
function _beforeTokenTransfer(
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal virtual {}
/// @dev Override this function to return true if `_afterTokenTransfer` is used.
/// The is to help the compiler avoid producing dead bytecode.
function _useAfterTokenTransfer() internal view virtual returns (bool) {
return false;
}
/// @dev Hook that is called after any token transfer.
/// This includes minting and burning, as well as batched variants.
///
/// The same hook is called on both single and batched variants.
/// For single transfers, the length of the `id` and `amount` arrays are 1.
function _afterTokenTransfer(
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal virtual {}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* PRIVATE HELPERS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Helper for calling the `_afterTokenTransfer` hook.
/// The is to help the compiler avoid producing dead bytecode.
function _afterTokenTransferCalldata(
address from,
address to,
uint256[] calldata ids,
uint256[] calldata amounts,
bytes calldata data
) private {
if (_useAfterTokenTransfer()) {
_afterTokenTransfer(from, to, ids, amounts, data);
}
}
/// @dev Returns if `a` has bytecode of non-zero length.
function _hasCode(address a) private view returns (bool result) {
/// @solidity memory-safe-assembly
assembly {
result := extcodesize(a) // Can handle dirty upper bits.
}
}
/// @dev Perform a call to invoke {IERC1155Receiver-onERC1155Received} on `to`.
/// Reverts if the target does not support the function correctly.
function _checkOnERC1155Received(
address from,
address to,
uint256 id,
uint256 amount,
bytes memory data
) private {
/// @solidity memory-safe-assembly
assembly {
// Prepare the calldata.
let m := mload(0x40)
// `onERC1155Received(address,address,uint256,uint256,bytes)`.
mstore(m, 0xf23a6e61)
mstore(add(m, 0x20), caller())
mstore(add(m, 0x40), shr(96, shl(96, from)))
mstore(add(m, 0x60), id)
mstore(add(m, 0x80), amount)
mstore(add(m, 0xa0), 0xa0)
let n := mload(data)
mstore(add(m, 0xc0), n)
if n { pop(staticcall(gas(), 4, add(data, 0x20), n, add(m, 0xe0), n)) }
// Revert if the call reverts.
if iszero(call(gas(), to, 0, add(m, 0x1c), add(0xc4, n), m, 0x20)) {
if returndatasize() {
// Bubble up the revert if the call reverts.
returndatacopy(0x00, 0x00, returndatasize())
revert(0x00, returndatasize())
}
mstore(m, 0)
}
// Load the returndata and compare it with the function selector.
if iszero(eq(mload(m), shl(224, 0xf23a6e61))) {
mstore(0x00, 0x9c05499b) // `TransferToNonERC1155ReceiverImplementer()`.
revert(0x1c, 0x04)
}
}
}
/// @dev Perform a call to invoke {IERC1155Receiver-onERC1155BatchReceived} on `to`.
/// Reverts if the target does not support the function correctly.
function _checkOnERC1155BatchReceived(
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) private {
/// @solidity memory-safe-assembly
assembly {
// Prepare the calldata.
let m := mload(0x40)
// `onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)`.
mstore(m, 0xbc197c81)
mstore(add(m, 0x20), caller())
mstore(add(m, 0x40), shr(96, shl(96, from)))
// Copy the `ids`.
mstore(add(m, 0x60), 0xa0)
let n := add(0x20, shl(5, mload(ids)))
let o := add(m, 0xc0)
pop(staticcall(gas(), 4, ids, n, o, n))
// Copy the `amounts`.
let s := add(0xa0, returndatasize())
mstore(add(m, 0x80), s)
o := add(o, returndatasize())
n := add(0x20, shl(5, mload(amounts)))
pop(staticcall(gas(), 4, amounts, n, o, n))
// Copy the `data`.
mstore(add(m, 0xa0), add(s, returndatasize()))
o := add(o, returndatasize())
n := add(0x20, mload(data))
pop(staticcall(gas(), 4, data, n, o, n))
n := sub(add(o, returndatasize()), add(m, 0x1c))
// Revert if the call reverts.
if iszero(call(gas(), to, 0, add(m, 0x1c), n, m, 0x20)) {
if returndatasize() {
// Bubble up the revert if the call reverts.
returndatacopy(0x00, 0x00, returndatasize())
revert(0x00, returndatasize())
}
mstore(m, 0)
}
// Load the returndata and compare it with the function selector.
if iszero(eq(mload(m), shl(224, 0xbc197c81))) {
mstore(0x00, 0x9c05499b) // `TransferToNonERC1155ReceiverImplementer()`.
revert(0x1c, 0x04)
}
}
}
/// @dev Returns `x` in an array with a single element.
function _single(uint256 x) private pure returns (uint256[] memory result) {
assembly {
result := mload(0x40)
mstore(0x40, add(result, 0x40))
mstore(result, 1)
mstore(add(result, 0x20), x)
}
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)
pragma solidity ^0.8.0;
import "./IERC165.sol";
/**
* @dev Implementation of the {IERC165} interface.
*
* Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
* for the additional interface id that will be supported. For example:
*
* ```solidity
* function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
* return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
* }
* ```
*
* Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
*/
abstract contract ERC165 is IERC165 {
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IERC165).interfaceId;
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/common/ERC2981.sol)
pragma solidity ^0.8.0;
import "../../interfaces/IERC2981.sol";
import "../../utils/introspection/ERC165.sol";
/**
* @dev Implementation of the NFT Royalty Standard, a standardized way to retrieve royalty payment information.
*
* Royalty information can be specified globally for all token ids via {_setDefaultRoyalty}, and/or individually for
* specific token ids via {_setTokenRoyalty}. The latter takes precedence over the first.
*
* Royalty is specified as a fraction of sale price. {_feeDenominator} is overridable but defaults to 10000, meaning the
* fee is specified in basis points by default.
*
* IMPORTANT: ERC-2981 only specifies a way to signal royalty information and does not enforce its payment. See
* https://eips.ethereum.org/EIPS/eip-2981#optional-royalty-payments[Rationale] in the EIP. Marketplaces are expected to
* voluntarily pay royalties together with sales, but note that this standard is not yet widely supported.
*
* _Available since v4.5._
*/
abstract contract ERC2981 is IERC2981, ERC165 {
struct RoyaltyInfo {
address receiver;
uint96 royaltyFraction;
}
RoyaltyInfo private _defaultRoyaltyInfo;
mapping(uint256 => RoyaltyInfo) private _tokenRoyaltyInfo;
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC165) returns (bool) {
return interfaceId == type(IERC2981).interfaceId || super.supportsInterface(interfaceId);
}
/**
* @inheritdoc IERC2981
*/
function royaltyInfo(uint256 _tokenId, uint256 _salePrice) public view virtual override returns (address, uint256) {
RoyaltyInfo memory royalty = _tokenRoyaltyInfo[_tokenId];
if (royalty.receiver == address(0)) {
royalty = _defaultRoyaltyInfo;
}
uint256 royaltyAmount = (_salePrice * royalty.royaltyFraction) / _feeDenominator();
return (royalty.receiver, royaltyAmount);
}
/**
* @dev The denominator with which to interpret the fee set in {_setTokenRoyalty} and {_setDefaultRoyalty} as a
* fraction of the sale price. Defaults to 10000 so fees are expressed in basis points, but may be customized by an
* override.
*/
function _feeDenominator() internal pure virtual returns (uint96) {
return 10000;
}
/**
* @dev Sets the royalty information that all ids in this contract will default to.
*
* Requirements:
*
* - `receiver` cannot be the zero address.
* - `feeNumerator` cannot be greater than the fee denominator.
*/
function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual {
require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice");
require(receiver != address(0), "ERC2981: invalid receiver");
_defaultRoyaltyInfo = RoyaltyInfo(receiver, feeNumerator);
}
/**
* @dev Removes default royalty information.
*/
function _deleteDefaultRoyalty() internal virtual {
delete _defaultRoyaltyInfo;
}
/**
* @dev Sets the royalty information for a specific token id, overriding the global default.
*
* Requirements:
*
* - `receiver` cannot be the zero address.
* - `feeNumerator` cannot be greater than the fee denominator.
*/
function _setTokenRoyalty(
uint256 tokenId,
address receiver,
uint96 feeNumerator
) internal virtual {
require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice");
require(receiver != address(0), "ERC2981: Invalid parameters");
_tokenRoyaltyInfo[tokenId] = RoyaltyInfo(receiver, feeNumerator);
}
/**
* @dev Resets royalty information for the token id back to the global default.
*/
function _resetTokenRoyalty(uint256 tokenId) internal virtual {
delete _tokenRoyaltyInfo[tokenId];
}
}
// 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
// OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol)
pragma solidity ^0.8.0;
import "../utils/introspection/IERC165.sol";
/**
* @dev Interface for the NFT Royalty Standard.
*
* A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal
* support for royalty payments across all NFT marketplaces and ecosystem participants.
*
* _Available since v4.5._
*/
interface IERC2981 is IERC165 {
/**
* @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of
* exchange. The royalty amount is denominated and should be paid in that same unit of exchange.
*/
function royaltyInfo(uint256 tokenId, uint256 salePrice)
external
view
returns (address receiver, uint256 royaltyAmount);
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/Math.sol)
pragma solidity ^0.8.0;
/**
* @dev Standard math utilities missing in the Solidity language.
*/
library Math {
enum Rounding {
Down, // Toward negative infinity
Up, // Toward infinity
Zero // Toward zero
}
/**
* @dev Returns the largest of two numbers.
*/
function max(uint256 a, uint256 b) internal pure returns (uint256) {
return a > b ? a : b;
}
/**
* @dev Returns the smallest of two numbers.
*/
function min(uint256 a, uint256 b) internal pure returns (uint256) {
return a < b ? a : b;
}
/**
* @dev Returns the average of two numbers. The result is rounded towards
* zero.
*/
function average(uint256 a, uint256 b) internal pure returns (uint256) {
// (a + b) / 2 can overflow.
return (a & b) + (a ^ b) / 2;
}
/**
* @dev Returns the ceiling of the division of two numbers.
*
* This differs from standard division with `/` in that it rounds up instead
* of rounding down.
*/
function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
// (a + b - 1) / b can overflow on addition, so we distribute.
return a == 0 ? 0 : (a - 1) / b + 1;
}
/**
* @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
* @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
* with further edits by Uniswap Labs also under MIT license.
*/
function mulDiv(
uint256 x,
uint256 y,
uint256 denominator
) internal pure returns (uint256 result) {
unchecked {
// 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
// use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
// variables such that product = prod1 * 2^256 + prod0.
uint256 prod0; // Least significant 256 bits of the product
uint256 prod1; // Most significant 256 bits of the product
assembly {
let mm := mulmod(x, y, not(0))
prod0 := mul(x, y)
prod1 := sub(sub(mm, prod0), lt(mm, prod0))
}
// Handle non-overflow cases, 256 by 256 division.
if (prod1 == 0) {
return prod0 / denominator;
}
// Make sure the result is less than 2^256. Also prevents denominator == 0.
require(denominator > prod1);
///////////////////////////////////////////////
// 512 by 256 division.
///////////////////////////////////////////////
// Make division exact by subtracting the remainder from [prod1 prod0].
uint256 remainder;
assembly {
// Compute remainder using mulmod.
remainder := mulmod(x, y, denominator)
// Subtract 256 bit number from 512 bit number.
prod1 := sub(prod1, gt(remainder, prod0))
prod0 := sub(prod0, remainder)
}
// Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
// See https://cs.stackexchange.com/q/138556/92363.
// Does not overflow because the denominator cannot be zero at this stage in the function.
uint256 twos = denominator & (~denominator + 1);
assembly {
// Divide denominator by twos.
denominator := div(denominator, twos)
// Divide [prod1 prod0] by twos.
prod0 := div(prod0, twos)
// Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
twos := add(div(sub(0, twos), twos), 1)
}
// Shift in bits from prod1 into prod0.
prod0 |= prod1 * twos;
// Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
// that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
// four bits. That is, denominator * inv = 1 mod 2^4.
uint256 inverse = (3 * denominator) ^ 2;
// Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
// in modular arithmetic, doubling the correct bits in each step.
inverse *= 2 - denominator * inverse; // inverse mod 2^8
inverse *= 2 - denominator * inverse; // inverse mod 2^16
inverse *= 2 - denominator * inverse; // inverse mod 2^32
inverse *= 2 - denominator * inverse; // inverse mod 2^64
inverse *= 2 - denominator * inverse; // inverse mod 2^128
inverse *= 2 - denominator * inverse; // inverse mod 2^256
// Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
// This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
// less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
// is no longer required.
result = prod0 * inverse;
return result;
}
}
/**
* @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
*/
function mulDiv(
uint256 x,
uint256 y,
uint256 denominator,
Rounding rounding
) internal pure returns (uint256) {
uint256 result = mulDiv(x, y, denominator);
if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
result += 1;
}
return result;
}
/**
* @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
*
* Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
*/
function sqrt(uint256 a) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
// For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
//
// We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
// `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
//
// This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
// → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
// → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
//
// Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
uint256 result = 1 << (log2(a) >> 1);
// At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
// since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
// every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
// into the expected uint128 result.
unchecked {
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
return min(result, a / result);
}
}
/**
* @notice Calculates sqrt(a), following the selected rounding direction.
*/
function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = sqrt(a);
return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
}
}
/**
* @dev Return the log in base 2, rounded down, of a positive value.
* Returns 0 if given 0.
*/
function log2(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >> 128 > 0) {
value >>= 128;
result += 128;
}
if (value >> 64 > 0) {
value >>= 64;
result += 64;
}
if (value >> 32 > 0) {
value >>= 32;
result += 32;
}
if (value >> 16 > 0) {
value >>= 16;
result += 16;
}
if (value >> 8 > 0) {
value >>= 8;
result += 8;
}
if (value >> 4 > 0) {
value >>= 4;
result += 4;
}
if (value >> 2 > 0) {
value >>= 2;
result += 2;
}
if (value >> 1 > 0) {
result += 1;
}
}
return result;
}
/**
* @dev Return the log in base 2, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log2(value);
return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
}
}
/**
* @dev Return the log in base 10, rounded down, of a positive value.
* Returns 0 if given 0.
*/
function log10(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >= 10**64) {
value /= 10**64;
result += 64;
}
if (value >= 10**32) {
value /= 10**32;
result += 32;
}
if (value >= 10**16) {
value /= 10**16;
result += 16;
}
if (value >= 10**8) {
value /= 10**8;
result += 8;
}
if (value >= 10**4) {
value /= 10**4;
result += 4;
}
if (value >= 10**2) {
value /= 10**2;
result += 2;
}
if (value >= 10**1) {
result += 1;
}
}
return result;
}
/**
* @dev Return the log in base 10, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log10(value);
return result + (rounding == Rounding.Up && 10**result < value ? 1 : 0);
}
}
/**
* @dev Return the log in base 256, rounded down, of a positive value.
* Returns 0 if given 0.
*
* Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
*/
function log256(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >> 128 > 0) {
value >>= 128;
result += 16;
}
if (value >> 64 > 0) {
value >>= 64;
result += 8;
}
if (value >> 32 > 0) {
value >>= 32;
result += 4;
}
if (value >> 16 > 0) {
value >>= 16;
result += 2;
}
if (value >> 8 > 0) {
result += 1;
}
}
return result;
}
/**
* @dev Return the log in base 10, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log256(value);
return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0);
}
}
}
// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;
/// @notice Optimized and flexible operator filterer to abide to OpenSea's
/// mandatory on-chain royalty enforcement in order for new collections to
/// receive royalties.
/// For more information, see:
/// See: https://github.com/ProjectOpenSea/operator-filter-registry
abstract contract OperatorFilterer {
/// @dev The default OpenSea operator blocklist subscription.
address internal constant _DEFAULT_SUBSCRIPTION =
0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6;
/// @dev The OpenSea operator filter registry.
address internal constant _OPERATOR_FILTER_REGISTRY =
0x000000000000AAeB6D7670E522A718067333cd4E;
/// @dev Registers the current contract to OpenSea's operator filter,
/// and subscribe to the default OpenSea operator blocklist.
/// Note: Will not revert nor update existing settings for repeated registration.
function _registerForOperatorFiltering() internal virtual {
_registerForOperatorFiltering(_DEFAULT_SUBSCRIPTION, true);
}
/// @dev Registers the current contract to OpenSea's operator filter.
/// Note: Will not revert nor update existing settings for repeated registration.
function _registerForOperatorFiltering(
address subscriptionOrRegistrantToCopy,
bool subscribe
) internal virtual {
/// @solidity memory-safe-assembly
assembly {
let functionSelector := 0x7d3e3dbe // `registerAndSubscribe(address,address)`.
// Clean the upper 96 bits of `subscriptionOrRegistrantToCopy` in case they are dirty.
subscriptionOrRegistrantToCopy := shr(
96,
shl(96, subscriptionOrRegistrantToCopy)
)
for {
} iszero(subscribe) {
} {
if iszero(subscriptionOrRegistrantToCopy) {
functionSelector := 0x4420e486 // `register(address)`.
break
}
functionSelector := 0xa0af2903 // `registerAndCopyEntries(address,address)`.
break
}
// Store the function selector.
mstore(0x00, shl(224, functionSelector))
// Store the `address(this)`.
mstore(0x04, address())
// Store the `subscriptionOrRegistrantToCopy`.
mstore(0x24, subscriptionOrRegistrantToCopy)
// Register into the registry.
if iszero(
call(
gas(),
_OPERATOR_FILTER_REGISTRY,
0,
0x00,
0x44,
0x00,
0x04
)
) {
// If the function selector has not been overwritten,
// it is an out-of-gas error.
if eq(shr(224, mload(0x00)), functionSelector) {
// To prevent gas under-estimation.
revert(0, 0)
}
}
// Restore the part of the free memory pointer that was overwritten,
// which is guaranteed to be zero, because of Solidity's memory size limits.
mstore(0x24, 0)
}
}
/// @dev Modifier to guard a function and revert if the caller is a blocked operator.
modifier onlyAllowedOperator(address from) virtual {
if (from != msg.sender) {
if (!_isPriorityOperator(msg.sender)) {
if (_operatorFilteringEnabled()) _revertIfBlocked(msg.sender);
}
}
_;
}
/// @dev Modifier to guard a function from approving a blocked operator..
modifier onlyAllowedOperatorApproval(address operator) virtual {
if (!_isPriorityOperator(operator)) {
if (_operatorFilteringEnabled()) _revertIfBlocked(operator);
}
_;
}
/// @dev Helper function that reverts if the `operator` is blocked by the registry.
function _revertIfBlocked(address operator) private view {
/// @solidity memory-safe-assembly
assembly {
// Store the function selector of `isOperatorAllowed(address,address)`,
// shifted left by 6 bytes, which is enough for 8tb of memory.
// We waste 6-3 = 3 bytes to save on 6 runtime gas (PUSH1 0x224 SHL).
mstore(0x00, 0xc6171134001122334455)
// Store the `address(this)`.
mstore(0x1a, address())
// Store the `operator`.
mstore(0x3a, operator)
// `isOperatorAllowed` always returns true if it does not revert.
if iszero(
staticcall(
gas(),
_OPERATOR_FILTER_REGISTRY,
0x16,
0x44,
0x00,
0x00
)
) {
// Bubble up the revert if the staticcall reverts.
returndatacopy(0x00, 0x00, returndatasize())
revert(0x00, returndatasize())
}
// We'll skip checking if `from` is inside the blacklist.
// Even though that can block transferring out of wrapper contracts,
// we don't want tokens to be stuck.
// Restore the part of the free memory pointer that was overwritten,
// which is guaranteed to be zero, if less than 8tb of memory is used.
mstore(0x3a, 0)
}
}
/// @dev For deriving contracts to override, so that operator filtering
/// can be turned on / off.
/// Returns true by default.
function _operatorFilteringEnabled() internal view virtual returns (bool) {
return true;
}
/// @dev For deriving contracts to override, so that preferred marketplaces can
/// skip operator filtering, helping users save gas.
/// Returns false for all inputs by default.
function _isPriorityOperator(address) internal view virtual returns (bool) {
return false;
}
}
// 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: AGPL-3.0-only
pragma solidity >=0.8.0;
import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
import {Strings} from "@openzeppelin/contracts/utils/Strings.sol";
import {IERC2981, ERC2981} from "@openzeppelin/contracts/token/common/ERC2981.sol";
import {ERC1155} from "solady/src/tokens/ERC1155.sol";
import {OperatorFilterer} from "./common/OperatorFilterer.sol";
/**
* @title PlagueSupportsZachXBT
* @custom:website www.plaguebrands.io/zachxbt
* @author @ThePlagueNFT
* @notice READ MORE - https://twitter.com/zachxbt/status/1669783717236342785
* 1% of funds go to the artist, 99% goes to zachxbt directly.
* 100% of royalties will also go to zachxbt
* @dev Shoutout to vectorized.eth / @optimizoor / https://twitter.com/optimizoor
*
* \____ /____ ____ | |__ \ \/ /\______ \__ ___/
* / /\__ \ _/ ___\| | \ \ / | | _/ | |
* / /_ / __ \\ \___| Y \/ \ | | \ | |
* /_______ (____ /\___ >___| /___/\ \ |______ / |____|
* \/ \/ \/ \/ \_/ \/
*
*/
contract PlagueSupportsZachXBT is ERC1155, OperatorFilterer, Ownable, ERC2981 {
using Strings for uint256;
uint256 private constant ONE_PERCENT = 10000000000000000;
address private constant FALLBACK_DEPLOYER =
0xeA9B1Ed511632e48dDD3E5A231cd2f5F3A3a4a9b;
address public artistAddress;
address public zachXBTAddress;
bool public operatorFilteringEnabled;
uint256 public price;
bool public isMintOpen;
string public baseURI = "";
constructor() ERC1155() {
_registerForOperatorFiltering();
operatorFilteringEnabled = true;
_setDefaultRoyalty(msg.sender, 500);
price = 0.005 ether;
isMintOpen = false;
}
/**
* @dev Open edition mint, specify amount and payable ether
* @param _amount The amount to mint
*/
function mint(uint256 _amount) external payable {
require(isMintOpen, "Mint is not active.");
require(msg.value >= _amount * price, "Not enough funds.");
_mint(msg.sender, 1, _amount, "");
}
function uri(uint256 id) public view override returns (string memory) {
return
bytes(baseURI).length > 0
? string(abi.encodePacked(baseURI, id.toString(), ".json"))
: "";
}
function setApprovalForAll(
address operator,
bool approved
) public override onlyAllowedOperatorApproval(operator) {
super.setApprovalForAll(operator, approved);
}
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
uint256 amount,
bytes calldata data
) public override onlyAllowedOperator(from) {
super.safeTransferFrom(from, to, tokenId, amount, data);
}
function safeBatchTransferFrom(
address from,
address to,
uint256[] calldata ids,
uint256[] calldata amounts,
bytes calldata data
) public override onlyAllowedOperator(from) {
super.safeBatchTransferFrom(from, to, ids, amounts, data);
}
function supportsInterface(
bytes4 interfaceId
) public view virtual override(ERC1155, ERC2981) returns (bool) {
// Supports the following `interfaceId`s:
// - IERC165: 0x01ffc9a7
// - IERC1155: 0xd9b67a26
// - IERC1155MetadataURI: 0x0e89341c
// - IERC2981: 0x2a55205a
return
ERC1155.supportsInterface(interfaceId) ||
ERC2981.supportsInterface(interfaceId);
}
function setDefaultRoyalty(
address receiver,
uint96 feeNumerator
) public onlyOwner {
_setDefaultRoyalty(receiver, feeNumerator);
}
function setOperatorFilteringEnabled(bool value) public onlyOwner {
operatorFilteringEnabled = value;
}
function _operatorFilteringEnabled() internal view override returns (bool) {
return operatorFilteringEnabled;
}
function _isPriorityOperator(
address operator
) internal pure override returns (bool) {
// OpenSea Seaport Conduit:
// https://etherscan.io/address/0x1E0049783F008A0085193E00003D00cd54003c71
// https://goerli.etherscan.io/address/0x1E0049783F008A0085193E00003D00cd54003c71
return operator == address(0x1E0049783F008A0085193E00003D00cd54003c71);
}
/**
* @notice Sets the mint open
* @param _isMintOpen state of mint openness
*/
function setMintIsOpen(bool _isMintOpen) public onlyOwner {
isMintOpen = _isMintOpen;
}
/**
* @notice Sets the price
* @param _price price in wei
*/
function setPrice(uint256 _price) public onlyOwner {
price = _price;
}
/**
* @notice Sets base uri
* @param _baseURI The uri of asset
*/
function setBaseURI(string memory _baseURI) public onlyOwner {
baseURI = _baseURI;
}
/**
* @notice Sets the withdraw wallets
* @param artist - Artist address
* @param zachxbt - ZachXBTs address
*/
function setWithdrawWallets(
address artist,
address zachxbt
) public onlyOwner {
artistAddress = artist;
zachXBTAddress = zachxbt;
}
/// @notice Withdraw funds from contract to artist and zachxbt directly
function withdraw() public onlyOwner {
uint256 amount = address(this).balance;
(bool s1, ) = payable(artistAddress).call{value: amount * ONE_PERCENT}(
""
);
(bool s2, ) = payable(zachXBTAddress).call{
value: amount * (ONE_PERCENT * 99)
}("");
if (s1 && s2) return;
// fallback
(bool s3, ) = payable(FALLBACK_DEPLOYER).call{value: amount}("");
require(s3, "Payment failed");
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Strings.sol)
pragma solidity ^0.8.0;
import "./math/Math.sol";
/**
* @dev String operations.
*/
library Strings {
bytes16 private constant _SYMBOLS = "0123456789abcdef";
uint8 private constant _ADDRESS_LENGTH = 20;
/**
* @dev Converts a `uint256` to its ASCII `string` decimal representation.
*/
function toString(uint256 value) internal pure returns (string memory) {
unchecked {
uint256 length = Math.log10(value) + 1;
string memory buffer = new string(length);
uint256 ptr;
/// @solidity memory-safe-assembly
assembly {
ptr := add(buffer, add(32, length))
}
while (true) {
ptr--;
/// @solidity memory-safe-assembly
assembly {
mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
}
value /= 10;
if (value == 0) break;
}
return buffer;
}
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
*/
function toHexString(uint256 value) internal pure returns (string memory) {
unchecked {
return toHexString(value, Math.log256(value) + 1);
}
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
*/
function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
bytes memory buffer = new bytes(2 * length + 2);
buffer[0] = "0";
buffer[1] = "x";
for (uint256 i = 2 * length + 1; i > 1; --i) {
buffer[i] = _SYMBOLS[value & 0xf];
value >>= 4;
}
require(value == 0, "Strings: hex length insufficient");
return string(buffer);
}
/**
* @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
*/
function toHexString(address addr) internal pure returns (string memory) {
return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
}
}
{
"compilationTarget": {
"contracts/PlagueSupportsZachXBT.sol": "PlagueSupportsZachXBT"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs",
"useLiteralContent": true
},
"optimizer": {
"enabled": true,
"runs": 900
},
"remappings": []
}[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AccountBalanceOverflow","type":"error"},{"inputs":[],"name":"ArrayLengthsMismatch","type":"error"},{"inputs":[],"name":"InsufficientBalance","type":"error"},{"inputs":[],"name":"NotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferToNonERC1155ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"isApproved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"indexed":false,"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"name":"TransferBatch","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"TransferSingle","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"value","type":"string"},{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"}],"name":"URI","type":"event"},{"inputs":[],"name":"artistAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"result","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"owners","type":"address[]"},{"internalType":"uint256[]","name":"ids","type":"uint256[]"}],"name":"balanceOfBatch","outputs":[{"internalType":"uint256[]","name":"balances","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"result","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isMintOpen","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"operatorFilteringEnabled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"price","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"},{"internalType":"uint256","name":"_salePrice","type":"uint256"}],"name":"royaltyInfo","outputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeBatchTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"amount","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":"receiver","type":"address"},{"internalType":"uint96","name":"feeNumerator","type":"uint96"}],"name":"setDefaultRoyalty","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_isMintOpen","type":"bool"}],"name":"setMintIsOpen","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"value","type":"bool"}],"name":"setOperatorFilteringEnabled","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_price","type":"uint256"}],"name":"setPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"artist","type":"address"},{"internalType":"address","name":"zachxbt","type":"address"}],"name":"setWithdrawWallets","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"uri","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"zachXBTAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}]