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ERC-721
Overview
Max Total Supply
2,048 ASC
Holders
810
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
Balance
2 ASCLoading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
AsciiPunks
Compiler Version
v0.8.3+commit.8d00100c
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol"; import "@openzeppelin/contracts/utils/Address.sol"; import "@openzeppelin/contracts/utils/Strings.sol"; import "./AsciiPunkFactory.sol"; import "./ERC721Metadata.sol"; import "./PaymentSplitter.sol"; contract AsciiPunks is ERC721Metadata, PaymentSplitter { using Address for address; using Strings for uint256; // EVENTS event Transfer( address indexed from, address indexed to, uint256 indexed tokenId ); event Approval( address indexed owner, address indexed approved, uint256 indexed tokenId ); event ApprovalForAll( address indexed owner, address indexed operator, bool approved ); event Generated(uint256 indexed index, address indexed a, string value); mapping(uint256 => uint256) internal idToSeed; mapping(uint256 => uint256) internal seedToId; mapping(uint256 => address) internal idToOwner; mapping(address => uint256[]) internal ownerToIds; mapping(uint256 => uint256) internal idToOwnerIndex; mapping(address => mapping(address => bool)) internal ownerToOperators; mapping(uint256 => address) internal idToApproval; uint256 internal numTokens = 0; uint256 public constant TOKEN_LIMIT = 2048; bool public hasSaleStarted = false; bytes4 private constant _INTERFACE_ID_ERC721 = 0x80ac58cd; bytes4 private constant _INTERFACE_ID_ERC721_ENUMERABLE = 0x780e9d63; modifier validNFToken(uint256 tokenId) { require( idToOwner[tokenId] != address(0), "ERC721: query for nonexistent token" ); _; } modifier canOperate(uint256 tokenId) { address owner = idToOwner[tokenId]; require( owner == _msgSender() || ownerToOperators[owner][_msgSender()], "ERC721: approve caller is not owner nor approved for all" ); _; } modifier canTransfer(uint256 tokenId) { address tokenOwner = idToOwner[tokenId]; require( tokenOwner == _msgSender() || idToApproval[tokenId] == _msgSender() || ownerToOperators[tokenOwner][_msgSender()], "ERC721: transfer caller is not owner nor approved" ); _; } constructor() { _registerInterface(_INTERFACE_ID_ERC721); _registerInterface(_INTERFACE_ID_ERC721_ENUMERABLE); } function createPunk(uint256 seed) external payable returns (string memory) { return _mint(_msgSender(), seed); } function calculatePrice() internal view returns (uint256) { uint256 price; if (numTokens < 256) { price = 50000000000000000; } else if (numTokens >= 256 && numTokens < 512) { price = 100000000000000000; } else if (numTokens >= 512 && numTokens < 1024) { price = 200000000000000000; } else if (numTokens >= 1024 && numTokens < 1536) { price = 300000000000000000; } else { price = 400000000000000000; } return price; } function _mint(address to, uint256 _seed) internal returns (string memory) { require(hasSaleStarted == true, "Sale hasn't started"); require(to != address(0), "ERC721: mint to the zero address"); require( numTokens < TOKEN_LIMIT, "ERC721: maximum number of tokens already minted" ); require(msg.value >= calculatePrice(), "ERC721: insufficient ether"); uint256 seed = uint256( keccak256(abi.encodePacked(_seed, block.timestamp, msg.sender, numTokens)) ); require(seedToId[seed] == 0, "ERC721: seed already used"); uint256 id = numTokens + 1; idToSeed[id] = seed; seedToId[seed] = id; string memory punk = AsciiPunkFactory.draw(idToSeed[id]); emit Generated(id, to, punk); numTokens = numTokens + 1; _registerToken(to, id); emit Transfer(address(0), to, id); return punk; } function _registerToken(address to, uint256 tokenId) internal { require(idToOwner[tokenId] == address(0)); idToOwner[tokenId] = to; ownerToIds[to].push(tokenId); uint256 length = ownerToIds[to].length; idToOwnerIndex[tokenId] = length - 1; } function draw(uint256 tokenId) external view validNFToken(tokenId) returns (string memory) { string memory uri = AsciiPunkFactory.draw(idToSeed[tokenId]); return uri; } function totalSupply() public view returns (uint256) { return numTokens; } function tokenByIndex(uint256 index) public view returns (uint256) { require(index < numTokens, "ERC721Enumerable: global index out of bounds"); return index; } function tokenOfOwnerByIndex(address owner, uint256 _index) external view returns (uint256) { require( _index < ownerToIds[owner].length, "ERC721Enumerable: owner index out of bounds" ); return ownerToIds[owner][_index]; } function balanceOf(address owner) external view returns (uint256) { require(owner != address(0), "ERC721: balance query for the zero address"); return ownerToIds[owner].length; } function ownerOf(uint256 tokenId) external view returns (address) { return _ownerOf(tokenId); } function _ownerOf(uint256 tokenId) internal view validNFToken(tokenId) returns (address) { address owner = idToOwner[tokenId]; require(owner != address(0), "ERC721: query for nonexistent token"); return owner; } function transferFrom( address from, address to, uint256 tokenId ) external validNFToken(tokenId) canTransfer(tokenId) { address tokenOwner = idToOwner[tokenId]; require(tokenOwner == from, "ERC721: transfer of token that is not own"); require(to != address(0), "ERC721: transfer to the zero address"); _transfer(to, tokenId); } function _transfer(address to, uint256 tokenId) internal { address from = idToOwner[tokenId]; _clearApproval(tokenId); emit Approval(from, to, tokenId); _removeNFToken(from, tokenId); _registerToken(to, tokenId); emit Transfer(from, to, tokenId); } function _removeNFToken(address from, uint256 tokenId) internal { require(idToOwner[tokenId] == from); delete idToOwner[tokenId]; uint256 tokenToRemoveIndex = idToOwnerIndex[tokenId]; uint256 lastTokenIndex = ownerToIds[from].length - 1; if (lastTokenIndex != tokenToRemoveIndex) { uint256 lastToken = ownerToIds[from][lastTokenIndex]; ownerToIds[from][tokenToRemoveIndex] = lastToken; idToOwnerIndex[lastToken] = tokenToRemoveIndex; } ownerToIds[from].pop(); } function approve(address approved, uint256 tokenId) external validNFToken(tokenId) canOperate(tokenId) { address owner = idToOwner[tokenId]; require(approved != owner, "ERC721: approval to current owner"); idToApproval[tokenId] = approved; emit Approval(owner, approved, tokenId); } function _clearApproval(uint256 tokenId) private { if (idToApproval[tokenId] != address(0)) { delete idToApproval[tokenId]; } } function getApproved(uint256 tokenId) external view validNFToken(tokenId) returns (address) { return idToApproval[tokenId]; } function setApprovalForAll(address operator, bool approved) external { require(operator != _msgSender(), "ERC721: approve to caller"); ownerToOperators[_msgSender()][operator] = approved; emit ApprovalForAll(_msgSender(), operator, approved); } function isApprovedForAll(address owner, address operator) external view returns (bool) { return ownerToOperators[owner][operator]; } function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external { _safeTransferFrom(from, to, tokenId, data); } function safeTransferFrom( address from, address to, uint256 tokenId ) external { _safeTransferFrom(from, to, tokenId, ""); } function _safeTransferFrom( address from, address to, uint256 tokenId, bytes memory data ) private validNFToken(tokenId) canTransfer(tokenId) { address tokenOwner = idToOwner[tokenId]; require(tokenOwner == from, "ERC721: transfer of token that is not own"); require(to != address(0), "ERC721: transfer to the zero address"); _transfer(to, tokenId); require( _checkOnERC721Received(from, to, tokenId, data), "ERC721: transfer to non ERC721Receiver implementer" ); } function tokenURI(uint256 tokenId) external view validNFToken(tokenId) returns (string memory) { string memory uri = _baseURI(); return bytes(uri).length > 0 ? string(abi.encodePacked(uri, tokenId.toString())) : ""; } function startSale() public onlyOwner { hasSaleStarted = true; } function pauseSale() public onlyOwner { hasSaleStarted = false; } function _checkOnERC721Received( address from, address to, uint256 tokenId, bytes memory data ) private returns (bool) { if (to.isContract()) { try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, data) returns (bytes4 retval) { return retval == IERC721Receiver(to).onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC721: transfer to non ERC721Receiver implementer"); } else { assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; library AsciiPunkFactory { uint256 private constant TOP_COUNT = 55; uint256 private constant EYE_COUNT = 48; uint256 private constant NOSE_COUNT = 9; uint256 private constant MOUTH_COUNT = 32; function draw(uint256 seed) public pure returns (string memory) { uint256 rand = uint256(keccak256(abi.encodePacked(seed))); string memory top = _chooseTop(rand); string memory eyes = _chooseEyes(rand); string memory mouth = _chooseMouth(rand); string memory chin = unicode" │ │ \n" unicode" └──┘ │ \n"; string memory neck = unicode" │ │ \n" unicode" │ │ \n"; return string(abi.encodePacked(top, eyes, mouth, chin, neck)); } function _chooseTop(uint256 rand) internal pure returns (string memory) { string[TOP_COUNT] memory tops = [ unicode" ┌───┐ \n" unicode" │ ┼┐ \n" unicode" ├────┼┼ \n", unicode" ┌┬┬┬┬┐ \n" unicode" ╓┬┬┬┬╖ \n" unicode" ╙┴┴┴┴╜ \n", unicode" ╒════╕ \n" unicode" ┌┴────┴┐ \n" unicode" └┬────┬┘ \n", unicode" ╒════╕ \n" unicode" │□□□□│ \n" unicode" └┬────┬┘ \n", unicode" ╒════╕ \n" unicode" │ │ \n" unicode" └─┬────┬─┘ \n", unicode" ◙◙◙◙ \n" unicode" ▄████▄ \n" unicode" ┌────┐ \n", unicode" ┌───┐ \n" unicode"┌──┤ └┐ \n" unicode"└──┼────┤ \n", unicode" ┌───┐ \n" unicode" ┌┘ ├──┐\n" unicode" ├────┼──┘\n", unicode" ┌────┐/ \n" unicode"┌──┴────┴──┐\n" unicode"└──┬────┬──┘\n", unicode" ╒════╕ \n" unicode" ┌─┴────┴─┐ \n" unicode" └─┬────┬─┘ \n", unicode" ┌──────┐ \n" unicode" │▲▲▲▲▲▲│ \n" unicode" └┬────┬┘ \n", unicode" ┌┌────┐┐ \n" unicode" ││┌──┐││ \n" unicode" └┼┴──┴┼┘ \n", unicode" ┌────┐ \n" unicode" ┌┘─ │ \n" unicode" └┌────┐ \n", unicode" \n" unicode" ┌┬┬┬┬┐ \n" unicode" ├┴┴┴┴┤ \n", unicode" \n" unicode" ╓┬╥┐ \n" unicode" ┌╨┴╨┴┐ \n", unicode" \n" unicode" ╒╦╦╦╦╕ \n" unicode" ╞╩╩╩╩╡ \n", unicode" \n" unicode" \n" unicode" ┌┼┼┼┼┐ \n", unicode" \n" unicode" ││││ \n" unicode" ┌┼┼┼┼┐ \n", unicode" ╔ \n" unicode" ╔║ \n" unicode" ┌─╫╫─┐ \n", unicode" \n" unicode" ║║║║ \n" unicode" ┌╨╨╨╨┐ \n", unicode" \n" unicode" ▐▐▐▌▌▌ \n" unicode" ┌────┐ \n", unicode" \n" unicode" \\///// \n" unicode" ┌────┐ \n", unicode" ┐ ┌ \n" unicode" ┐││││┌ \n" unicode" ┌────┐ \n", unicode" ┌┐ ┐┌┐┌┐ \n" unicode" └└┐││┌┘ \n" unicode" ┌┴┴┴┴┐ \n", unicode" ┐┐┐┐┐ \n" unicode" └└└└└┐ \n" unicode" └└└└└┐ \n", unicode" \n" unicode" ││││││ \n" unicode" ┌────┐ \n", unicode" \n" unicode" ╓╓╓╓ \n" unicode" ┌╨╨╨╨┐ \n", unicode" ╔╔╗╗╗ \n" unicode" ╔╔╔╗╗╗╗ \n" unicode" ╔╝╝║ ╚╚╗ \n", unicode" ╔╔╔╔╔╗ \n" unicode" ╔╔╔╔╔╗║╗ \n" unicode" ╝║╨╨╨╨║╚ \n", unicode" ╔╔═╔═╔ \n" unicode" ╔╩╔╩╔╝ \n" unicode" ┌────┐ \n", unicode" \n" unicode" /// \n" unicode" ┌────┐ \n", unicode" ╔╗╔╗ \n" unicode" ╔╗╔╗╝ \n" unicode" ┌╔╝╔╝┐ \n", unicode" ╔╔╔╔╝ \n" unicode" ╔╝╔╝ \n" unicode" ┌╨╨╨─┐ \n", unicode" ╔╗ \n" unicode" ╔╔╔╗╝ \n" unicode" ┌╚╚╝╝┐ \n", unicode" ╔════╗ \n" unicode" ╔╚╚╚╝╝╝╗ \n" unicode" ╟┌────┐╢ \n", unicode" ╔═╗ \n" unicode" ╚╚╚╗ \n" unicode" ┌────┐ \n", unicode" \n" unicode" \n" unicode" ┌╨╨╨╨┐ \n", unicode" \n" unicode" ⌂⌂⌂⌂ \n" unicode" ┌────┐ \n", unicode" ┌────┐ \n" unicode" │ /└┐ \n" unicode" ├────┐/ \n", unicode" \n" unicode" (((((( \n" unicode" ┌────┐ \n", unicode" ┌┌┌┌┌┐ \n" unicode" ├┘┘┘┘┘ \n" unicode" ┌────┐ \n", unicode" «°┐ \n" unicode" │╪╕ \n" unicode" ┌└┼──┐ \n", unicode" <° °> § \n" unicode" \\'/ / \n" unicode" {())}} \n", unicode" ██████ \n" unicode" ██ ██ ██ \n" unicode" █ ██████ █ \n", unicode" ████ \n" unicode" ██◙◙██ \n" unicode" ┌─▼▼─┐ \n", unicode" ╓╖ ╓╖ \n" unicode" °╜╚╗╔╝╙° \n" unicode" ┌─╨╨─┐ \n", unicode" ± ±± ± \n" unicode" ◙◙◙◙◙◙ \n" unicode" ┌────┐ \n", unicode" ♫ ♪ \n" unicode" ♪ ♫ \n" unicode" ♪ ┌────┐ \n", unicode" /≡≡\\ \n" unicode" /≡≡≡≡\\ \n" unicode" /┌────┐\\ \n", unicode" \n" unicode" ♣♥♦♠♣♥ \n" unicode" ┌────┐ \n", unicode" [⌂] \n" unicode" │ \n" unicode" ┌────┐ \n", unicode" /\\/\\/\\/\\ \n" unicode" \\\\/\\/\\// \n" unicode" ┌────┐ \n", unicode" ↑↑↓↓ \n" unicode" ←→←→AB \n" unicode" ┌────┐ \n", unicode" ┌─┬┐ \n" unicode" ┌┘┌┘└┐ \n" unicode" ├─┴──┤ \n", unicode" ☼ ☼ \n" unicode" \\/ \n" unicode" ┌────┐ \n" ]; uint256 topId = rand % TOP_COUNT; return tops[topId]; } function _chooseEyes(uint256 rand) internal pure returns (string memory) { string[EYE_COUNT] memory leftEyes = [ unicode"◕", unicode"*", unicode"♥", unicode"X", unicode"⊙", unicode"˘", unicode"α", unicode"◉", unicode"☻", unicode"¬", unicode"^", unicode"═", unicode"┼", unicode"┬", unicode"■", unicode"─", unicode"û", unicode"╜", unicode"δ", unicode"│", unicode"┐", unicode"┌", unicode"┌", unicode"╤", unicode"/", unicode"\\", unicode"/", unicode"\\", unicode"╦", unicode"♥", unicode"♠", unicode"♦", unicode"╝", unicode"◄", unicode"►", unicode"◄", unicode"►", unicode"I", unicode"╚", unicode"╔", unicode"╙", unicode"╜", unicode"╓", unicode"╥", unicode"$", unicode"○", unicode"N", unicode"x" ]; string[EYE_COUNT] memory rightEyes = [ unicode"◕", unicode"*", unicode"♥", unicode"X", unicode"⊙", unicode"˘", unicode"α", unicode"◉", unicode"☻", unicode"¬", unicode"^", unicode"═", unicode"┼", unicode"┬", unicode"■", unicode"─", unicode"û", unicode"╜", unicode"δ", unicode"│", unicode"┐", unicode"┐", unicode"┌", unicode"╤", unicode"\\", unicode"/", unicode"/", unicode"\\", unicode"╦", unicode"♠", unicode"♣", unicode"♦", unicode"╝", unicode"►", unicode"◄", unicode"◄", unicode"◄", unicode"I", unicode"╚", unicode"╗", unicode"╜", unicode"╜", unicode"╓", unicode"╥", unicode"$", unicode"○", unicode"N", unicode"x" ]; uint256 eyeId = rand % EYE_COUNT; string memory leftEye = leftEyes[eyeId]; string memory rightEye = rightEyes[eyeId]; string memory nose = _chooseNose(rand); string memory forehead = unicode" │ ├┐ \n"; string memory leftFace = unicode" │"; string memory rightFace = unicode" └│ \n"; return string( abi.encodePacked( forehead, leftFace, leftEye, " ", rightEye, rightFace, nose ) ); } function _chooseMouth(uint256 rand) internal pure returns (string memory) { string[MOUTH_COUNT] memory mouths = [ unicode" │ │ \n" unicode" │── │ \n", unicode" │ │ \n" unicode" │δ │ \n", unicode" │ │ \n" unicode" │─┬ │ \n", unicode" │ │ \n" unicode" │(─) │ \n", unicode" │ │ \n" unicode" │[─] │ \n", unicode" │ │ \n" unicode" │<─> │ \n", unicode" │ │ \n" unicode" │╙─ │ \n", unicode" │ │ \n" unicode" │─╜ │ \n", unicode" │ │ \n" unicode" │└─┘ │ \n", unicode" │ │ \n" unicode" │┌─┐ │ \n", unicode" │ │ \n" unicode" │╓─ │ \n", unicode" │ │ \n" unicode" │─╖ │ \n", unicode" │ │ \n" unicode" │┼─┼ │ \n", unicode" │ │ \n" unicode" │──┼ │ \n", unicode" │ │ \n" unicode" │«─» │ \n", unicode" │ │ \n" unicode" │── │ \n", unicode" ∙ │ │ \n" unicode" ∙─── │ \n", unicode" ∙ │ │ \n" unicode" ∙───) │ \n", unicode" ∙ │ │ \n" unicode" ∙───] │ \n", unicode" │⌐¬ │ \n" unicode" √──── │ \n", unicode" │╓╖ │ \n" unicode" │── │ \n", unicode" │~~ │ \n" unicode" │/\\ │ \n", unicode" │ │ \n" unicode" │══ │ \n", unicode" │ │ \n" unicode" │▼▼ │ \n", unicode" │⌐¬ │ \n" unicode" │O │ \n", unicode" │ │ \n" unicode" │O │ \n", unicode" ∙ │⌐¬ │ \n" unicode" ∙─── │ \n", unicode" ∙ │⌐¬ │ \n" unicode" ∙───) │ \n", unicode" ∙ │⌐¬ │ \n" unicode" ∙───] │ \n", unicode" │⌐¬ │ \n" unicode" │── │ \n", unicode" │⌐-¬ │ \n" unicode" │ │ \n", unicode" │┌-┐ │ \n" unicode" ││ │ │ \n" ]; uint256 mouthId = rand % MOUTH_COUNT; return mouths[mouthId]; } function _chooseNose(uint256 rand) internal pure returns (string memory) { string[NOSE_COUNT] memory noses = [ unicode"└", unicode"╘", unicode"<", unicode"└", unicode"┌", unicode"^", unicode"└", unicode"┼", unicode"Γ" ]; uint256 noseId = rand % NOSE_COUNT; string memory nose = noses[noseId]; return string(abi.encodePacked(unicode" │ ", nose, unicode" └┘ \n")); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; contract ERC165 { mapping(bytes4 => bool) private _supportedInterfaces; bytes4 private constant _INTERFACE_ID_ERC165 = 0x01ffc9a7; constructor() { _registerInterface(_INTERFACE_ID_ERC165); } function supportsInterface(bytes4 interfaceId) external view returns (bool) { return _supportedInterfaces[interfaceId]; } function _registerInterface(bytes4 interfaceId) internal { require(interfaceId != 0xffffffff, "ERC165: invalid interface id"); _supportedInterfaces[interfaceId] = true; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "@openzeppelin/contracts/access/Ownable.sol"; import "./ERC165.sol"; contract ERC721Metadata is Ownable, ERC165 { bytes4 private constant _INTERFACE_ID_ERC721_METADATA = 0x5b5e139f; string private _baseTokenURI; string private _NFTName = "AsciiPunks"; string private _NFTSymbol = "ASC"; constructor() { _registerInterface(_INTERFACE_ID_ERC721_METADATA); _baseTokenURI = "https://api.asciipunks.com/punks/"; } function name() external view returns (string memory) { return _NFTName; } function symbol() external view returns (string memory) { return _NFTSymbol; } function setBaseURI(string calldata newBaseTokenURI) public onlyOwner { _baseTokenURI = newBaseTokenURI; } function baseURI() public view returns (string memory) { return _baseURI(); } function _baseURI() internal view returns (string memory) { return _baseTokenURI; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "@openzeppelin/contracts/utils/Address.sol"; import "@openzeppelin/contracts/utils/Context.sol"; import "@openzeppelin/contracts/utils/math/SafeMath.sol"; /** * @title PaymentSplitter * @dev This contract allows to split Ether payments among a group of accounts. The sender does not need to be aware * that the Ether will be split in this way, since it is handled transparently by the contract. * * The split can be in equal parts or in any other arbitrary proportion. The way this is specified is by assigning each * account to a number of shares. Of all the Ether that this contract receives, each account will then be able to claim * an amount proportional to the percentage of total shares they were assigned. * * `PaymentSplitter` follows a _pull payment_ model. This means that payments are not automatically forwarded to the * accounts but kept in this contract, and the actual transfer is triggered as a separate step by calling the {release} * function. */ contract PaymentSplitter is Context { event PayeeAdded(address account, uint256 shares); event PaymentReleased(address to, uint256 amount); event PaymentReceived(address from, uint256 amount); uint256 private _totalShares; uint256 private _totalReleased; mapping(address => uint256) private _shares; mapping(address => uint256) private _released; address[] private _payees; /** * @dev Creates an instance of `PaymentSplitter` where each account in `payees` is assigned the number of shares at * the matching position in the `shares` array. * * All addresses in `payees` must be non-zero. Both arrays must have the same non-zero length, and there must be no * duplicates in `payees`. */ constructor() { address[2] memory initialPayees = [ address(0x9386efb02a55A1092dC19f0E68a9816DDaAbDb5b), address(0xF2353AD0930B9F7cf16b4b8300B843349581E817) ]; uint256[2] memory initialShares = [uint256(7), uint256(3)]; for (uint256 i = 0; i < initialPayees.length; i++) { _addPayee(initialPayees[i], initialShares[i]); } } /** * @dev The Ether received will be logged with {PaymentReceived} events. Note that these events are not fully * reliable: it's possible for a contract to receive Ether without triggering this function. This only affects the * reliability of the events, and not the actual splitting of Ether. * * To learn more about this see the Solidity documentation for * https://solidity.readthedocs.io/en/latest/contracts.html#fallback-function[fallback * functions]. */ receive() external payable { emit PaymentReceived(_msgSender(), msg.value); } /** * @dev Getter for the total shares held by payees. */ function totalShares() public view returns (uint256) { return _totalShares; } /** * @dev Getter for the total amount of Ether already released. */ function totalReleased() public view returns (uint256) { return _totalReleased; } /** * @dev Getter for the amount of shares held by an account. */ function shares(address account) public view returns (uint256) { return _shares[account]; } /** * @dev Getter for the amount of Ether already released to a payee. */ function released(address account) public view returns (uint256) { return _released[account]; } /** * @dev Getter for the address of the payee number `index`. */ function payee(uint256 index) public view returns (address) { return _payees[index]; } /** * @dev Triggers a transfer to `account` of the amount of Ether they are owed, according to their percentage of the * total shares and their previous withdrawals. */ function release(address payable account) public virtual { require(_shares[account] > 0, "PaymentSplitter: account has no shares"); uint256 totalReceived = address(this).balance + _totalReleased; uint256 payment = (totalReceived * _shares[account]) / _totalShares - _released[account]; require(payment != 0, "PaymentSplitter: account is not due payment"); _released[account] = _released[account] + payment; _totalReleased = _totalReleased + payment; Address.sendValue(account, payment); emit PaymentReleased(account, payment); } /** * @dev Add a new payee to the contract. * @param account The address of the payee to add. * @param shares_ The number of shares owned by the payee. */ function _addPayee(address account, uint256 shares_) private { require( account != address(0), "PaymentSplitter: account is the zero address" ); require(shares_ > 0, "PaymentSplitter: shares are 0"); require( _shares[account] == 0, "PaymentSplitter: account already has shares" ); _payees.push(account); _shares[account] = shares_; _totalShares = _totalShares + shares_; emit PayeeAdded(account, shares_); } }
// SPDX-License-Identifier: MIT 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 () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { 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 { emit OwnershipTransferred(_owner, address(0)); _owner = 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"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ interface IERC721Receiver { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`. */ function onERC721Received(address operator, address from, uint256 tokenId, bytes calldata data) external returns (bytes4); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; // solhint-disable-next-line no-inline-assembly assembly { size := extcodesize(account) } return size > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: value }(data); return _verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.staticcall(data); return _verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.delegatecall(data); return _verifyCallResult(success, returndata, errorMessage); } function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: MIT 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) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @dev String operations. */ library Strings { bytes16 private constant alphabet = "0123456789abcdef"; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = alphabet[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; // CAUTION // This version of SafeMath should only be used with Solidity 0.8 or later, // because it relies on the compiler's built in overflow checks. /** * @dev Wrappers over Solidity's arithmetic operations. * * NOTE: `SafeMath` is no longer needed starting with Solidity 0.8. The compiler * now has built in overflow checking. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } } /** * @dev Returns the substraction of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b > a) return (false, 0); return (true, a - b); } } /** * @dev Returns the multiplication of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a * b; if (c / a != b) return (false, 0); return (true, c); } } /** * @dev Returns the division of two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a / b); } } /** * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a % b); } } /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { return a + b; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return a - b; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { return a * b; } /** * @dev Returns the integer division of two unsigned integers, reverting on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return a / b; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return a % b; } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {trySub}. * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { unchecked { require(b <= a, errorMessage); return a - b; } } /** * @dev Returns the integer division of two unsigned integers, reverting with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a / b; } } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting with custom message when dividing by zero. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryMod}. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a % b; } } }
{ "remappings": [], "optimizer": { "enabled": true, "runs": 200 }, "evmVersion": "istanbul", "libraries": { "/Users/kyle/workspace/asciipunks/contracts/AsciiPunkFactory.sol": { "AsciiPunkFactory": "0x3c24A5DF4F69199962b163CB5762be1E8367CbEb" } }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "abi" ] } } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
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payable","name":"account","type":"address"}],"name":"release","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"released","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","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":"newBaseTokenURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"shares","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"startSale","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":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"_index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalReleased","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalShares","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"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":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]
Contract Creation Code
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