0x63...7B16
Chiblings
CHIB
Collection
Collection
This contract's source code is verified!
Contract Metadata
Compiler
0.8.24+commit.e11b9ed9
Language
Solidity
Contract Source Code
File 1 of 2: ChiblingMirror.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.24;
/*
111110000000000111111
1110000000000011100000000011111
110000000111 1111000000000111
11000000011 1111100000111
110000011 111000011
1110000111 11000011
110000111 11000011
10000011 1100011
100001 100001
10001 000001
10001 1000011
10000 1110001
00001 00001
100001 111000111111
10001 11100000000000000001
10001 1111000000000011111 10000000111111111100001
10001 110000000011100000000001 100000111 111000001
10001 100001111 11100001 1100000001100000000011
1000 10000001111111110000001 1111000000000111
10000 11100000000000000011 11111111 111000
10001 11111111111 11100000000000011 10001
10001 11000000000000000000011 10001
0000 1100000011111 1000111000001 0001
10001 1100000011 10001 1100001 0001
10001 1100000011 10001 1100001 0001
10001 100000011 111 1000000000
10001 10000011 10000000
10001 100001 1100001
10001 0001 1000001
10001 0000 1000011
10001 100011 11000011
10001 100001 11000011
10001 100001 100001
0000 100001 100001
0000 100011 100001
10001 1000011 1100001
10001 1100001 1100001
10001 100001 100001
10001 10001 100011
10001 10001 100001
10001 1000011 111111111111111 10001
10001 100000111 1111000000000000000000011111110001
10001 1110000011 111100000001111111111111100000000000011
10001 1110000000000000000001111111111111100000000001111
10001 110000000000000000000000000000000111
10001 111111111111100001111
1000 0001
0001 1001
10001 1001
10001 10001
10001 10001
1000 10001
0001 10001
0001 10001
10001 0001
1000 1001
10000 1000
10001 10001
10001 10001
1000 10001
0001 10001
10001 10001
10001 10001
10001 10001
00001 10001
*/
import {DN404Mirror} from "dn404/src/DN404Mirror.sol";
contract ChiblingMirror is DN404Mirror {
constructor() DN404Mirror(tx.origin) {}
}Contract Source Code
File 2 of 2: DN404Mirror.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
/// @title DN404Mirror
/// @notice DN404Mirror provides an interface for interacting with the
/// NFT tokens in a DN404 implementation.
///
/// @author vectorized.eth (@optimizoor)
/// @author Quit (@0xQuit)
/// @author Michael Amadi (@AmadiMichaels)
/// @author cygaar (@0xCygaar)
/// @author Thomas (@0xjustadev)
/// @author Harrison (@PopPunkOnChain)
///
/// @dev Note:
/// - The ERC721 data is stored in the base DN404 contract.
contract DN404Mirror {
/*«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-*/
/* EVENTS */
/*-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»*/
/// @dev Emitted when token `id` is transferred from `from` to `to`.
event Transfer(address indexed from, address indexed to, uint256 indexed id);
/// @dev Emitted when `owner` enables `account` to manage the `id` token.
event Approval(address indexed owner, address indexed account, uint256 indexed id);
/// @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 The ownership is transferred from `oldOwner` to `newOwner`.
/// This is for marketplace signaling purposes. This contract has a `pullOwner()`
/// function that will sync the owner from the base contract.
event OwnershipTransferred(address indexed oldOwner, address indexed newOwner);
/// @dev `keccak256(bytes("Transfer(address,address,uint256)"))`.
uint256 private constant _TRANSFER_EVENT_SIGNATURE =
0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef;
/// @dev `keccak256(bytes("Approval(address,address,uint256)"))`.
uint256 private constant _APPROVAL_EVENT_SIGNATURE =
0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925;
/// @dev `keccak256(bytes("ApprovalForAll(address,address,bool)"))`.
uint256 private constant _APPROVAL_FOR_ALL_EVENT_SIGNATURE =
0x17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31;
/*«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-*/
/* CUSTOM ERRORS */
/*-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»*/
/// @dev Thrown when a call for an NFT function did not originate
/// from the base DN404 contract.
error SenderNotBase();
/// @dev Thrown when a call for an NFT function did not originate from the deployer.
error SenderNotDeployer();
/// @dev Thrown when transferring an NFT to a contract address that
/// does not implement ERC721Receiver.
error TransferToNonERC721ReceiverImplementer();
/// @dev Thrown when linking to the DN404 base contract and the
/// DN404 supportsInterface check fails or the call reverts.
error CannotLink();
/// @dev Thrown when a linkMirrorContract call is received and the
/// NFT mirror contract has already been linked to a DN404 base contract.
error AlreadyLinked();
/// @dev Thrown when retrieving the base DN404 address when a link has not
/// been established.
error NotLinked();
/// @dev The function selector is not recognized.
error FnSelectorNotRecognized();
/*«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-*/
/* STORAGE */
/*-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»*/
/// @dev Struct contain the NFT mirror contract storage.
struct DN404NFTStorage {
address baseERC20;
address deployer;
address owner;
}
/// @dev Returns a storage pointer for DN404NFTStorage.
function _getDN404NFTStorage() internal pure virtual returns (DN404NFTStorage storage $) {
/// @solidity memory-safe-assembly
assembly {
// `uint72(bytes9(keccak256("DN404_MIRROR_STORAGE")))`.
$.slot := 0x3602298b8c10b01230 // Truncate to 9 bytes to reduce bytecode size.
}
}
/*«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-*/
/* CONSTRUCTOR */
/*-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»*/
constructor(address deployer) {
// For non-proxies, we will store the deployer so that only the deployer can
// link the base contract.
_getDN404NFTStorage().deployer = deployer;
}
/*«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-*/
/* ERC721 OPERATIONS */
/*-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»*/
/// @dev Returns the token collection name from the base DN404 contract.
function name() public view virtual returns (string memory result) {
return _readString(0x06fdde03, 0); // `name()`.
}
/// @dev Returns the token collection symbol from the base DN404 contract.
function symbol() public view virtual returns (string memory result) {
return _readString(0x95d89b41, 0); // `symbol()`.
}
/// @dev Returns the Uniform Resource Identifier (URI) for token `id` from
/// the base DN404 contract.
function tokenURI(uint256 id) public view virtual returns (string memory result) {
return _readString(0xc87b56dd, id); // `tokenURI()`.
}
/// @dev Returns the total NFT supply from the base DN404 contract.
function totalSupply() public view virtual returns (uint256 result) {
return _readWord(0xe2c79281, 0, 0); // `totalNFTSupply()`.
}
/// @dev Returns the number of NFT tokens owned by `nftOwner` from the base DN404 contract.
///
/// Requirements:
/// - `nftOwner` must not be the zero address.
function balanceOf(address nftOwner) public view virtual returns (uint256 result) {
return _readWord(0xf5b100ea, uint160(nftOwner), 0); // `balanceOfNFT(address)`.
}
/// @dev Returns the owner of token `id` from the base DN404 contract.
///
/// Requirements:
/// - Token `id` must exist.
function ownerOf(uint256 id) public view virtual returns (address result) {
return address(uint160(_readWord(0x6352211e, id, 0))); // `ownerOf(uint256)`.
}
/// @dev Returns the owner of token `id` from the base DN404 contract.
/// Returns `address(0)` instead of reverting if the token does not exist.
function ownerAt(uint256 id) public view virtual returns (address result) {
return address(uint160(_readWord(0x24359879, id, 0))); // `ownerAt(uint256)`.
}
/// @dev Sets `spender` as the approved account to manage token `id` in
/// the base DN404 contract.
///
/// Requirements:
/// - Token `id` must exist.
/// - The caller must be the owner of the token,
/// or an approved operator for the token owner.
///
/// Emits an {Approval} event.
function approve(address spender, uint256 id) public virtual {
address base = baseERC20();
/// @solidity memory-safe-assembly
assembly {
spender := shr(96, shl(96, spender))
let m := mload(0x40)
mstore(0x00, 0xd10b6e0c) // `approveNFT(address,uint256,address)`.
mstore(0x20, spender)
mstore(0x40, id)
mstore(0x60, caller())
if iszero(
and(
gt(returndatasize(), 0x1f),
call(gas(), base, callvalue(), 0x1c, 0x64, 0x00, 0x20)
)
) {
returndatacopy(m, 0x00, returndatasize())
revert(m, returndatasize())
}
mstore(0x40, m) // Restore the free memory pointer.
mstore(0x60, 0) // Restore the zero pointer.
// Emit the {Approval} event.
log4(codesize(), 0x00, _APPROVAL_EVENT_SIGNATURE, shr(96, mload(0x0c)), spender, id)
}
}
/// @dev Returns the account approved to manage token `id` from
/// the base DN404 contract.
///
/// Requirements:
/// - Token `id` must exist.
function getApproved(uint256 id) public view virtual returns (address) {
return address(uint160(_readWord(0x081812fc, id, 0))); // `getApproved(uint256)`.
}
/// @dev Sets whether `operator` is approved to manage the tokens of the caller in
/// the base DN404 contract.
///
/// Emits an {ApprovalForAll} event.
function setApprovalForAll(address operator, bool approved) public virtual {
address base = baseERC20();
/// @solidity memory-safe-assembly
assembly {
operator := shr(96, shl(96, operator))
let m := mload(0x40)
mstore(0x00, 0x813500fc) // `setApprovalForAll(address,bool,address)`.
mstore(0x20, operator)
mstore(0x40, iszero(iszero(approved)))
mstore(0x60, caller())
if iszero(
and(eq(mload(0x00), 1), call(gas(), base, callvalue(), 0x1c, 0x64, 0x00, 0x20))
) {
returndatacopy(m, 0x00, returndatasize())
revert(m, returndatasize())
}
// Emit the {ApprovalForAll} event.
// The `approved` value is already at 0x40.
log3(0x40, 0x20, _APPROVAL_FOR_ALL_EVENT_SIGNATURE, caller(), operator)
mstore(0x40, m) // Restore the free memory pointer.
mstore(0x60, 0) // Restore the zero pointer.
}
}
/// @dev Returns whether `operator` is approved to manage the tokens of `nftOwner` from
/// the base DN404 contract.
function isApprovedForAll(address nftOwner, address operator)
public
view
virtual
returns (bool result)
{
// `isApprovedForAll(address,address)`.
return _readWord(0xe985e9c5, uint160(nftOwner), uint160(operator)) != 0;
}
/// @dev Transfers token `id` from `from` to `to`.
///
/// Requirements:
///
/// - Token `id` must exist.
/// - `from` must be the owner of the token.
/// - `to` cannot be the zero address.
/// - The caller must be the owner of the token, or be approved to manage the token.
///
/// Emits a {Transfer} event.
function transferFrom(address from, address to, uint256 id) public virtual {
address base = baseERC20();
/// @solidity memory-safe-assembly
assembly {
from := shr(96, shl(96, from))
to := shr(96, shl(96, to))
let m := mload(0x40)
mstore(m, 0xe5eb36c8) // `transferFromNFT(address,address,uint256,address)`.
mstore(add(m, 0x20), from)
mstore(add(m, 0x40), to)
mstore(add(m, 0x60), id)
mstore(add(m, 0x80), caller())
if iszero(
and(eq(mload(m), 1), call(gas(), base, callvalue(), add(m, 0x1c), 0x84, m, 0x20))
) {
returndatacopy(m, 0x00, returndatasize())
revert(m, returndatasize())
}
// Emit the {Transfer} event.
log4(codesize(), 0x00, _TRANSFER_EVENT_SIGNATURE, from, to, id)
}
}
/// @dev Equivalent to `safeTransferFrom(from, to, id, "")`.
function safeTransferFrom(address from, address to, uint256 id) public payable virtual {
transferFrom(from, to, id);
if (_hasCode(to)) _checkOnERC721Received(from, to, id, "");
}
/// @dev Transfers token `id` from `from` to `to`.
///
/// Requirements:
///
/// - Token `id` must exist.
/// - `from` must be the owner of the token.
/// - `to` cannot be the zero address.
/// - The caller must be the owner of the token, or be approved to manage the token.
/// - If `to` refers to a smart contract, it must implement
/// {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
///
/// Emits a {Transfer} event.
function safeTransferFrom(address from, address to, uint256 id, bytes calldata data)
public
virtual
{
transferFrom(from, to, id);
if (_hasCode(to)) _checkOnERC721Received(from, to, id, data);
}
/// @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, ERC721: 0x80ac58cd, ERC721Metadata: 0x5b5e139f.
result := or(or(eq(s, 0x01ffc9a7), eq(s, 0x80ac58cd)), eq(s, 0x5b5e139f))
}
}
/*«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-*/
/* OWNER SYNCING OPERATIONS */
/*-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»*/
/// @dev Returns the `owner` of the contract, for marketplace signaling purposes.
function owner() public view virtual returns (address) {
return _getDN404NFTStorage().owner;
}
/// @dev Permissionless function to pull the owner from the base DN404 contract
/// if it implements ownable, for marketplace signaling purposes.
function pullOwner() public virtual {
address newOwner;
address base = baseERC20();
/// @solidity memory-safe-assembly
assembly {
mstore(0x00, 0x8da5cb5b) // `owner()`.
if and(gt(returndatasize(), 0x1f), staticcall(gas(), base, 0x1c, 0x04, 0x00, 0x20)) {
newOwner := shr(96, mload(0x0c))
}
}
DN404NFTStorage storage $ = _getDN404NFTStorage();
address oldOwner = $.owner;
if (oldOwner != newOwner) {
$.owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
/*«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-*/
/* MIRROR OPERATIONS */
/*-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»*/
/// @dev Returns the address of the base DN404 contract.
function baseERC20() public view virtual returns (address base) {
base = _getDN404NFTStorage().baseERC20;
if (base == address(0)) revert NotLinked();
}
/// @dev Fallback modifier to execute calls from the base DN404 contract.
modifier dn404NFTFallback() virtual {
DN404NFTStorage storage $ = _getDN404NFTStorage();
uint256 fnSelector = _calldataload(0x00) >> 224;
// `logTransfer(uint256[])`.
if (fnSelector == 0x263c69d6) {
if (msg.sender != $.baseERC20) revert SenderNotBase();
/// @solidity memory-safe-assembly
assembly {
let o := add(0x24, calldataload(0x04)) // Packed logs offset.
let end := add(o, shl(5, calldataload(sub(o, 0x20))))
for {} iszero(eq(o, end)) { o := add(0x20, o) } {
let d := calldataload(o) // Entry in the packed logs.
let a := shr(96, d) // The address.
let b := and(1, d) // Whether it is a burn.
log4(
codesize(),
0x00,
_TRANSFER_EVENT_SIGNATURE,
mul(a, b), // `from`.
mul(a, iszero(b)), // `to`.
shr(168, shl(160, d)) // `id`.
)
}
mstore(0x00, 0x01)
return(0x00, 0x20)
}
}
// `logDirectTransfer(address,address,uint256[])`.
if (fnSelector == 0x144027d3) {
if (msg.sender != $.baseERC20) revert SenderNotBase();
/// @solidity memory-safe-assembly
assembly {
let from := calldataload(0x04)
let to := calldataload(0x24)
let o := add(0x24, calldataload(0x44)) // Direct logs offset.
let end := add(o, shl(5, calldataload(sub(o, 0x20))))
for {} iszero(eq(o, end)) { o := add(0x20, o) } {
log4(codesize(), 0x00, _TRANSFER_EVENT_SIGNATURE, from, to, calldataload(o))
}
mstore(0x00, 0x01)
return(0x00, 0x20)
}
}
// `linkMirrorContract(address)`.
if (fnSelector == 0x0f4599e5) {
if ($.deployer != address(0)) {
if (address(uint160(_calldataload(0x04))) != $.deployer) {
revert SenderNotDeployer();
}
}
if ($.baseERC20 != address(0)) revert AlreadyLinked();
$.baseERC20 = msg.sender;
/// @solidity memory-safe-assembly
assembly {
mstore(0x00, 0x01)
return(0x00, 0x20)
}
}
_;
}
/// @dev Fallback function for calls from base DN404 contract.
/// Override this if you need to implement your custom
/// fallback with utilities like Solady's `LibZip.cdFallback()`.
/// And always remember to always wrap the fallback with `dn404NFTFallback`.
fallback() external payable virtual dn404NFTFallback {
revert FnSelectorNotRecognized(); // Not mandatory. Just for quality of life.
}
/// @dev This is to silence the compiler warning.
/// Override and remove the revert if you want your contract to receive ETH via receive.
receive() external payable virtual {
if (msg.value != 0) revert();
}
/*«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-«-*/
/* PRIVATE HELPERS */
/*-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»-»*/
/// @dev Helper to read a string from the base DN404 contract.
function _readString(uint256 fnSelector, uint256 arg0)
private
view
returns (string memory result)
{
address base = baseERC20();
/// @solidity memory-safe-assembly
assembly {
result := mload(0x40)
mstore(0x00, fnSelector)
mstore(0x20, arg0)
if iszero(staticcall(gas(), base, 0x1c, 0x24, 0x00, 0x00)) {
returndatacopy(result, 0x00, returndatasize())
revert(result, returndatasize())
}
returndatacopy(0x00, 0x00, 0x20) // Copy the offset of the string in returndata.
returndatacopy(result, mload(0x00), 0x20) // Copy the length of the string.
returndatacopy(add(result, 0x20), add(mload(0x00), 0x20), mload(result)) // Copy the string.
mstore(0x40, add(add(result, 0x20), mload(result))) // Allocate memory.
}
}
/// @dev Helper to read a word from the base DN404 contract.
function _readWord(uint256 fnSelector, uint256 arg0, uint256 arg1)
private
view
returns (uint256 result)
{
address base = baseERC20();
/// @solidity memory-safe-assembly
assembly {
let m := mload(0x40)
mstore(0x00, fnSelector)
mstore(0x20, arg0)
mstore(0x40, arg1)
if iszero(
and(gt(returndatasize(), 0x1f), staticcall(gas(), base, 0x1c, 0x44, 0x00, 0x20))
) {
returndatacopy(m, 0x00, returndatasize())
revert(m, returndatasize())
}
mstore(0x40, m) // Restore the free memory pointer.
result := mload(0x00)
}
}
/// @dev Returns the calldata value at `offset`.
function _calldataload(uint256 offset) private pure returns (uint256 value) {
/// @solidity memory-safe-assembly
assembly {
value := calldataload(offset)
}
}
/// @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 {IERC721Receiver-onERC721Received} on `to`.
/// Reverts if the target does not support the function correctly.
function _checkOnERC721Received(address from, address to, uint256 id, bytes memory data)
private
{
/// @solidity memory-safe-assembly
assembly {
// Prepare the calldata.
let m := mload(0x40)
let onERC721ReceivedSelector := 0x150b7a02
mstore(m, onERC721ReceivedSelector)
mstore(add(m, 0x20), caller()) // The `operator`, which is always `msg.sender`.
mstore(add(m, 0x40), shr(96, shl(96, from)))
mstore(add(m, 0x60), id)
mstore(add(m, 0x80), 0x80)
let n := mload(data)
mstore(add(m, 0xa0), n)
if n { pop(staticcall(gas(), 4, add(data, 0x20), n, add(m, 0xc0), n)) }
// Revert if the call reverts.
if iszero(call(gas(), to, 0, add(m, 0x1c), add(n, 0xa4), m, 0x20)) {
if returndatasize() {
// Bubble up the revert if the call reverts.
returndatacopy(m, 0x00, returndatasize())
revert(m, returndatasize())
}
}
// Load the returndata and compare it.
if iszero(eq(mload(m), shl(224, onERC721ReceivedSelector))) {
mstore(0x00, 0xd1a57ed6) // `TransferToNonERC721ReceiverImplementer()`.
revert(0x1c, 0x04)
}
}
}
}
Settings
{
"compilationTarget": {
"src/ChiblingMirror.sol": "ChiblingMirror"
},
"evmVersion": "paris",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": [
":dn404/=lib/dn404/",
":ds-test/=lib/forge-std/lib/ds-test/src/",
":forge-std/=lib/forge-std/src/",
":murky/=lib/dn404/lib/murky/",
":openzeppelin-contracts/=lib/dn404/lib/murky/lib/openzeppelin-contracts/",
":solady/=lib/solady/src/"
]
}ABI
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