0xF6...25f4
ar.z
999KT
收藏品
收藏品
此合同的源代码已经过验证！
合同元数据
编译器
0.8.19+commit.7dd6d404
语言
Solidity
//SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;
// █████╗ █████╗ █████╗ ██╗ ██╗██╗██╗ ██╗ ████████╗██╗███╗ ███╗███████╗███████╗
//██╔══██╗██╔══██╗██╔══██╗ ██║ ██╔╝██║██║ ██║ ╚══██╔══╝██║████╗ ████║██╔════╝╚══███╔╝
//╚██████║╚██████║╚██████║ █████╔╝ ██║██║ ██║ ██║ ██║██╔████╔██║█████╗ ███╔╝
// ╚═══██║ ╚═══██║ ╚═══██║ ██╔═██╗ ██║██║ ██║ ██║ ██║██║╚██╔╝██║██╔══╝ ███╔╝
// █████╔╝ █████╔╝ █████╔╝ ██║ ██╗██║███████╗███████╗██║ ██║██║ ╚═╝ ██║███████╗███████╗
// ╚════╝ ╚════╝ ╚════╝ ╚═╝ ╚═╝╚═╝╚══════╝╚══════╝╚═╝ ╚═╝╚═╝ ╚═╝╚══════╝╚══════╝
error SaleNotStarted();
error RoundSoldOut();
error PublicSaleStillLive();
error MaxMints();
error SoldOut();
error ValueTooLow();
error NotWL();
error NotVIP();
error NotAllowedToCreateReferralCodes();
/*
Contract created by Ivan Rubio
Deployment By: LunarXY
*/
import "ERC721A.sol";
import "ERC721AQueryable.sol";
import "ECDSA.sol";
import "Ownable.sol";
import "ReentrancyGuard.sol";
contract _999KillTimez is ERC721AQueryable, Ownable, ReentrancyGuard {
using Strings for uint256;
using ECDSA for bytes32;
//@dev adjust these values for your collection
uint public maxSupply = 666;
uint public wlMintCounter = 169;
uint public vipMintCounter = 130;
uint public maxVipMints = 999;
uint public publicPrice = 0.0199 ether;
uint public whitelistPrice = 0 ether;
//@dev byte-pack bools and address to save gas
bool publicSaleStarted = true;
bool whiteListStarted = true;
bool vipStarted = true;
mapping(address => uint) public giftReceived;
/*@dev Reference Address to Compare ECDSA Signature
Fill this in with your own WL Address
To learn more about signatures check out
https://docs.ethers.io/v5/api/signer/#:~:text=A%20Signer%20in%20ethers%20is,on%20the%20sub%2Dclass%20used.*/
address private vipAddress = 0x150B0Bed2B8a0D293252b9910cc9ee47FeAb51Aa;
address private whitelistAddress = 0xECDA7Af07E5F228fBF2e9f23186b251c3dA9deB6;
/*
43% Community Wallet
13% Development Team
28% Creador
12% Community Manager
4% Marketing*/
address private communityPayoutAddress = 0x37fDf57B5bA51B777865753CD4b0F2949d8b4FfA;
address private developmentPayoutAddress = 0x78Cca4e539EB68cc0b01A11034434BA67314456C;
address private creatorPayoutAddress = 0x5F7F0560C7d8ECfD341620888df2BB072e064BF0;
address private communityManagerPayoutAddress = 0x61C2138d7A63bf100eEAedE90a55a65736A3DFAD;
address private marketingPayoutAddress = 0x58b54887DE1aE8D85351BE9112355465F9cD438D;
/* @dev Used in TokenURI Function for exchanges.
For more information about this standard check out
https://docs.opensea.io/docs/metadata-standards
*/
string public baseURI = "https://api.nft.lunarxy.com/v1/nft/metadata/999killtimez/";
string public uriSuffix = ".json";
// @dev these mappings track how many one has minted on public and WL respectively
mapping(address => uint) public publicMints;
mapping(address => uint) public wlMints;
mapping(address => uint) public vipMints;
//This is where the staking contract will be stored.
constructor()
ERC721A("999KillTimez", "999KT")
{
wlMints[0x04d619ff29c74e17e5FEf02E543de668C0296519] = 2;
wlMints[0x0EDf79CBd5BEF41e59D8e4ddAd352DDf6aAb6560] = 1;
vipMints[0x0EDf79CBd5BEF41e59D8e4ddAd352DDf6aAb6560] = 7;
publicMints[0x0EDf79CBd5BEF41e59D8e4ddAd352DDf6aAb6560] = 3;
giftReceived[0x0EDf79CBd5BEF41e59D8e4ddAd352DDf6aAb6560] = 1;
wlMints[0x766D5f2d38589aC4702184199c540cD97565B13B] = 5;
vipMints[0x766D5f2d38589aC4702184199c540cD97565B13B] = 2;
giftReceived[0x766D5f2d38589aC4702184199c540cD97565B13B] = 1;
wlMints[0x47B73B6B53152470052AfD207017d812C73e26D6] = 3;
vipMints[0x47B73B6B53152470052AfD207017d812C73e26D6] = 4;
giftReceived[0x47B73B6B53152470052AfD207017d812C73e26D6] = 1;
wlMints[0x40d429507e88f69F41DF6a1A822711E12649dE04] = 1;
vipMints[0x18B1146573cEbdF82D8Ce7D7698D172499C95755] = 2;
wlMints[0x9e468A8E352ED80BB7e09CB0aB6E49ef77741938] = 1;
giftReceived[0x9e468A8E352ED80BB7e09CB0aB6E49ef77741938] = 1;
wlMints[0xb69C70A15954316920896cf11cEC942bB3CeA06f] = 16;
vipMints[0xb69C70A15954316920896cf11cEC942bB3CeA06f] = 12;
publicMints[0xb69C70A15954316920896cf11cEC942bB3CeA06f] = 2;
giftReceived[0xb69C70A15954316920896cf11cEC942bB3CeA06f] = 2;
wlMints[0x7A0CdF925C4796519ddd2DCDfe63E2d6880E1FFF] = 3;
giftReceived[0x7A0CdF925C4796519ddd2DCDfe63E2d6880E1FFF] = 1;
publicMints[0x94a7A0cCBbf54E37b154737B8cc1ecB5cC5310BB] = 3;
wlMints[0x30faC264384582Fe99411c4D893F7e0b838708DA] = 3;
vipMints[0x30faC264384582Fe99411c4D893F7e0b838708DA] = 1;
wlMints[0xd434B922e30193f9181284382517884c94350f9e] = 12;
vipMints[0xd434B922e30193f9181284382517884c94350f9e] = 16;
giftReceived[0xd434B922e30193f9181284382517884c94350f9e] = 4;
wlMints[0x878bA4295Ee46b2Fc055cB216218d0445a3f1DAF] = 1;
giftReceived[0x878bA4295Ee46b2Fc055cB216218d0445a3f1DAF] = 1;
vipMints[0xc6513B70666C4a682D8FECF16B4D45BB8a2DA534] = 1;
publicMints[0xc6513B70666C4a682D8FECF16B4D45BB8a2DA534] = 3;
wlMints[0xC59297F3aCDe356f546c925FD5943a860A296603] = 5;
giftReceived[0xC59297F3aCDe356f546c925FD5943a860A296603] = 1;
publicMints[0xd6E0F82a4bD119Ee24b8708a880e6167ed5a7a7E] = 1;
wlMints[0x478FFba8eA4945fB9327812231dfB1c6cAFD2C49] = 8;
vipMints[0x478FFba8eA4945fB9327812231dfB1c6cAFD2C49] = 18;
publicMints[0x478FFba8eA4945fB9327812231dfB1c6cAFD2C49] = 6;
giftReceived[0x478FFba8eA4945fB9327812231dfB1c6cAFD2C49] = 6;
wlMints[0xb5105c731c5F3ec29eE4E84C7e0D45e8Ef43B300] = 8;
vipMints[0xb5105c731c5F3ec29eE4E84C7e0D45e8Ef43B300] = 15;
publicMints[0xb5105c731c5F3ec29eE4E84C7e0D45e8Ef43B300] = 3;
giftReceived[0xb5105c731c5F3ec29eE4E84C7e0D45e8Ef43B300] = 3;
wlMints[0xc170A147c93a19a2D77385545C13FDC09555e622] = 1;
vipMints[0x98eEd6Ce0b0b4bF302315C50d0Fe694305242105] = 7;
wlMints[0xCEA431A6f20889670e59e2CEeb5E41Ba0d6d88c3] = 1;
vipMints[0xCEA431A6f20889670e59e2CEeb5E41Ba0d6d88c3] = 4;
giftReceived[0xCEA431A6f20889670e59e2CEeb5E41Ba0d6d88c3] = 1;
wlMints[0x73F43E66041f8804DaB52592d1c0f1C26fF6fefe] = 5;
giftReceived[0x73F43E66041f8804DaB52592d1c0f1C26fF6fefe] = 1;
vipMints[0x90c0F855979018daBC6b517f39FAddc90Acae292] = 2;
wlMints[0x62e3E1f39025fdADD7454704C13B7b2AE8C1A8EA] = 22;
vipMints[0x62e3E1f39025fdADD7454704C13B7b2AE8C1A8EA] = 12;
giftReceived[0x62e3E1f39025fdADD7454704C13B7b2AE8C1A8EA] = 2;
vipMints[0x73cFA71eD8EF82c85B28D9CbB58365cB22191141] = 1;
publicMints[0x5Fa60DB0C6422f09925a45eae367F5C205feC961] = 6;
wlMints[0xAf46585a4d22dAB188D3c7c4bE08c9e2d1C980d5] = 2;
vipMints[0xAf46585a4d22dAB188D3c7c4bE08c9e2d1C980d5] = 7;
publicMints[0xAf46585a4d22dAB188D3c7c4bE08c9e2d1C980d5] = 1;
giftReceived[0xAf46585a4d22dAB188D3c7c4bE08c9e2d1C980d5] = 2;
wlMints[0x305Bf946250A380b160ae6FD4dF64AeeA7813677] = 2;
vipMints[0x305Bf946250A380b160ae6FD4dF64AeeA7813677] = 1;
wlMints[0xc55f0572178d6A6217Be36d3f756eF7f5a7F396c] = 4;
giftReceived[0xc55f0572178d6A6217Be36d3f756eF7f5a7F396c] = 1;
wlMints[0x1D884A8cB1a18E3435112d503897B40dE464F822] = 2;
giftReceived[0x1D884A8cB1a18E3435112d503897B40dE464F822] = 2;
wlMints[0x2C077C051fdBaDc8388427E3aD30059E050b5f8f] = 5;
vipMints[0x2C077C051fdBaDc8388427E3aD30059E050b5f8f] = 7;
giftReceived[0x2C077C051fdBaDc8388427E3aD30059E050b5f8f] = 1;
wlMints[0x37fDf57B5bA51B777865753CD4b0F2949d8b4FfA] = 11;
vipMints[0x37fDf57B5bA51B777865753CD4b0F2949d8b4FfA] = 10;
publicMints[0x37fDf57B5bA51B777865753CD4b0F2949d8b4FfA] = 5;
giftReceived[0x37fDf57B5bA51B777865753CD4b0F2949d8b4FfA] = 1;
wlMints[0x37667d93e047e1231e2CE3BC7a762dD36bCf6aFE] = 2;
giftReceived[0x37667d93e047e1231e2CE3BC7a762dD36bCf6aFE] = 1;
publicMints[0x9b95d8f7c44efc92B03ae2f17E2344E67de04F96] = 1;
wlMints[0x7c0a1f789c683B6636837C9D51c8AA2469d30ed6] = 5;
vipMints[0x7c0a1f789c683B6636837C9D51c8AA2469d30ed6] = 1;
giftReceived[0x7c0a1f789c683B6636837C9D51c8AA2469d30ed6] = 2;
wlMints[0x2FFb3aA4359be1DAa675E13882F24a530cF273f9] = 1;
giftReceived[0x2FFb3aA4359be1DAa675E13882F24a530cF273f9] = 1;
_mint(0xb69C70A15954316920896cf11cEC942bB3CeA06f, 2);
_mint(0x98eEd6Ce0b0b4bF302315C50d0Fe694305242105, 1);
_mint(0xc6513B70666C4a682D8FECF16B4D45BB8a2DA534, 1);
_mint(0xb5105c731c5F3ec29eE4E84C7e0D45e8Ef43B300, 5);
_mint(0x40d429507e88f69F41DF6a1A822711E12649dE04, 1);
_mint(0x2C077C051fdBaDc8388427E3aD30059E050b5f8f, 2);
_mint(0xb69C70A15954316920896cf11cEC942bB3CeA06f, 1);
_mint(0xd434B922e30193f9181284382517884c94350f9e, 1);
_mint(0x2C077C051fdBaDc8388427E3aD30059E050b5f8f, 1);
_mint(0xd434B922e30193f9181284382517884c94350f9e, 2);
_mint(0xc55f0572178d6A6217Be36d3f756eF7f5a7F396c, 5);
_mint(0x644580B17fd98F42B37B56773e71dcfD81eff4cB, 2);
_mint(0xfC6f3a3874c75c887Df42605FA0150b9cdBca81E, 2);
_mint(0x7A0CdF925C4796519ddd2DCDfe63E2d6880E1FFF, 4);
_mint(0xb69C70A15954316920896cf11cEC942bB3CeA06f, 1);
_mint(0x98eEd6Ce0b0b4bF302315C50d0Fe694305242105, 1);
_mint(0x62e3E1f39025fdADD7454704C13B7b2AE8C1A8EA, 4);
_mint(0xb69C70A15954316920896cf11cEC942bB3CeA06f, 1);
_mint(0x8AC65B1D807EB2C8BbB04B90c3Aee2E49aaCD6A7, 1);
_mint(0xb69C70A15954316920896cf11cEC942bB3CeA06f, 1);
_mint(0xCEA431A6f20889670e59e2CEeb5E41Ba0d6d88c3, 2);
_mint(0x40d429507e88f69F41DF6a1A822711E12649dE04, 1);
_mint(0xb69C70A15954316920896cf11cEC942bB3CeA06f, 1);
_mint(0x37fDf57B5bA51B777865753CD4b0F2949d8b4FfA, 1);
_mint(0x766D5f2d38589aC4702184199c540cD97565B13B, 2);
_mint(0x30faC264384582Fe99411c4D893F7e0b838708DA, 1);
_mint(0xc170A147c93a19a2D77385545C13FDC09555e622, 1);
_mint(0x2FFb3aA4359be1DAa675E13882F24a530cF273f9, 2);
_mint(0x644580B17fd98F42B37B56773e71dcfD81eff4cB, 2);
_mint(0xb5105c731c5F3ec29eE4E84C7e0D45e8Ef43B300, 1);
_mint(0x73F43E66041f8804DaB52592d1c0f1C26fF6fefe, 2);
_mint(0x98eEd6Ce0b0b4bF302315C50d0Fe694305242105, 1);
_mint(0x2C077C051fdBaDc8388427E3aD30059E050b5f8f, 1);
_mint(0xb69C70A15954316920896cf11cEC942bB3CeA06f, 1);
_mint(0x37fDf57B5bA51B777865753CD4b0F2949d8b4FfA, 1);
_mint(0x9e468A8E352ED80BB7e09CB0aB6E49ef77741938, 1);
_mint(0xAf46585a4d22dAB188D3c7c4bE08c9e2d1C980d5, 2);
_mint(0x90c0F855979018daBC6b517f39FAddc90Acae292, 2);
_mint(0xb69C70A15954316920896cf11cEC942bB3CeA06f, 3);
_mint(0x98eEd6Ce0b0b4bF302315C50d0Fe694305242105, 1);
_mint(0xfC6f3a3874c75c887Df42605FA0150b9cdBca81E, 1);
_mint(0xb69C70A15954316920896cf11cEC942bB3CeA06f, 1);
_mint(0xd434B922e30193f9181284382517884c94350f9e, 2);
_mint(0x766D5f2d38589aC4702184199c540cD97565B13B, 2);
_mint(0xb5105c731c5F3ec29eE4E84C7e0D45e8Ef43B300, 1);
_mint(0x73F43E66041f8804DaB52592d1c0f1C26fF6fefe, 1);
_mint(0x7c0a1f789c683B6636837C9D51c8AA2469d30ed6, 2);
_mint(0xb69C70A15954316920896cf11cEC942bB3CeA06f, 1);
_mint(0x0EDf79CBd5BEF41e59D8e4ddAd352DDf6aAb6560, 2);
_mint(0x18B1146573cEbdF82D8Ce7D7698D172499C95755, 2);
_mint(0x7c0a1f789c683B6636837C9D51c8AA2469d30ed6, 2);
_mint(0x2C077C051fdBaDc8388427E3aD30059E050b5f8f, 1);
_mint(0xd434B922e30193f9181284382517884c94350f9e, 6);
_mint(0x98eEd6Ce0b0b4bF302315C50d0Fe694305242105, 1);
_mint(0x37fDf57B5bA51B777865753CD4b0F2949d8b4FfA, 2);
_mint(0x7c0a1f789c683B6636837C9D51c8AA2469d30ed6, 2);
_mint(0x644580B17fd98F42B37B56773e71dcfD81eff4cB, 1);
_mint(0x37fDf57B5bA51B777865753CD4b0F2949d8b4FfA, 1);
_mint(0x478FFba8eA4945fB9327812231dfB1c6cAFD2C49, 1);
_mint(0x1D884A8cB1a18E3435112d503897B40dE464F822, 4);
_mint(0x73cFA71eD8EF82c85B28D9CbB58365cB22191141, 1);
_mint(0x62e3E1f39025fdADD7454704C13B7b2AE8C1A8EA, 6);
_mint(0x878bA4295Ee46b2Fc055cB216218d0445a3f1DAF, 2);
_mint(0xc6513B70666C4a682D8FECF16B4D45BB8a2DA534, 3);
_mint(0x37fDf57B5bA51B777865753CD4b0F2949d8b4FfA, 1);
_mint(0x478FFba8eA4945fB9327812231dfB1c6cAFD2C49, 1);
_mint(0xc6513B70666C4a682D8FECF16B4D45BB8a2DA534, 1);
_mint(0xb5105c731c5F3ec29eE4E84C7e0D45e8Ef43B300, 3);
_mint(0x62e3E1f39025fdADD7454704C13B7b2AE8C1A8EA, 3);
_mint(0x0EDf79CBd5BEF41e59D8e4ddAd352DDf6aAb6560, 2);
_mint(0x478FFba8eA4945fB9327812231dfB1c6cAFD2C49, 2);
_mint(0xAf46585a4d22dAB188D3c7c4bE08c9e2d1C980d5, 2);
_mint(0xd434B922e30193f9181284382517884c94350f9e, 7);
_mint(0x98eEd6Ce0b0b4bF302315C50d0Fe694305242105, 1);
_mint(0xb69C70A15954316920896cf11cEC942bB3CeA06f, 1);
_mint(0x98eEd6Ce0b0b4bF302315C50d0Fe694305242105, 1);
_mint(0x37667d93e047e1231e2CE3BC7a762dD36bCf6aFE, 3);
_mint(0xb5105c731c5F3ec29eE4E84C7e0D45e8Ef43B300, 1);
_mint(0x37fDf57B5bA51B777865753CD4b0F2949d8b4FfA, 1);
_mint(0x62e3E1f39025fdADD7454704C13B7b2AE8C1A8EA, 5);
_mint(0x478FFba8eA4945fB9327812231dfB1c6cAFD2C49, 4);
_mint(0xCEA431A6f20889670e59e2CEeb5E41Ba0d6d88c3, 1);
_mint(0x478FFba8eA4945fB9327812231dfB1c6cAFD2C49, 3);
_mint(0xb5105c731c5F3ec29eE4E84C7e0D45e8Ef43B300, 1);
_mint(0xb69C70A15954316920896cf11cEC942bB3CeA06f, 2);
_mint(0x37fDf57B5bA51B777865753CD4b0F2949d8b4FfA, 2);
_mint(0x478FFba8eA4945fB9327812231dfB1c6cAFD2C49, 1);
_mint(0xAf46585a4d22dAB188D3c7c4bE08c9e2d1C980d5, 1);
_mint(0x40d429507e88f69F41DF6a1A822711E12649dE04, 1);
_mint(0x478FFba8eA4945fB9327812231dfB1c6cAFD2C49, 6);
_mint(0x0EDf79CBd5BEF41e59D8e4ddAd352DDf6aAb6560, 1);
_mint(0xAf46585a4d22dAB188D3c7c4bE08c9e2d1C980d5, 1);
_mint(0xb5105c731c5F3ec29eE4E84C7e0D45e8Ef43B300, 1);
_mint(0x37fDf57B5bA51B777865753CD4b0F2949d8b4FfA, 1);
_mint(0x478FFba8eA4945fB9327812231dfB1c6cAFD2C49, 1);
_mint(0xd6E0F82a4bD119Ee24b8708a880e6167ed5a7a7E, 1);
_mint(0x5Fa60DB0C6422f09925a45eae367F5C205feC961, 1);
_mint(0x37fDf57B5bA51B777865753CD4b0F2949d8b4FfA, 5);
_mint(0x5Fa60DB0C6422f09925a45eae367F5C205feC961, 3);
_mint(0xb69C70A15954316920896cf11cEC942bB3CeA06f, 1);
_mint(0xC59297F3aCDe356f546c925FD5943a860A296603, 1);
_mint(0x37fDf57B5bA51B777865753CD4b0F2949d8b4FfA, 1);
_mint(0x30faC264384582Fe99411c4D893F7e0b838708DA, 1);
_mint(0xd6E0F82a4bD119Ee24b8708a880e6167ed5a7a7E, 1);
_mint(0x478FFba8eA4945fB9327812231dfB1c6cAFD2C49, 2);
_mint(0xb5105c731c5F3ec29eE4E84C7e0D45e8Ef43B300, 5);
_mint(0x478FFba8eA4945fB9327812231dfB1c6cAFD2C49, 5);
_mint(0x37fDf57B5bA51B777865753CD4b0F2949d8b4FfA, 5);
_mint(0x0EDf79CBd5BEF41e59D8e4ddAd352DDf6aAb6560, 5);
_mint(0x478FFba8eA4945fB9327812231dfB1c6cAFD2C49, 11);
_mint(0xb5105c731c5F3ec29eE4E84C7e0D45e8Ef43B300, 4);
_mint(0xCEA431A6f20889670e59e2CEeb5E41Ba0d6d88c3, 3);
_mint(0xd434B922e30193f9181284382517884c94350f9e, 6);
_mint(0x94a7A0cCBbf54E37b154737B8cc1ecB5cC5310BB, 3);
_mint(0x98eEd6Ce0b0b4bF302315C50d0Fe694305242105, 7);
_mint(0xb5105c731c5F3ec29eE4E84C7e0D45e8Ef43B300, 4);
_mint(0xb69C70A15954316920896cf11cEC942bB3CeA06f, 4);
_mint(0xd434B922e30193f9181284382517884c94350f9e, 4);
_mint(0x8AC65B1D807EB2C8BbB04B90c3Aee2E49aaCD6A7, 1);
_mint(0x37fDf57B5bA51B777865753CD4b0F2949d8b4FfA, 3);
_mint(0xAf46585a4d22dAB188D3c7c4bE08c9e2d1C980d5, 6);
_mint(0xb69C70A15954316920896cf11cEC942bB3CeA06f, 1);
_mint(0xC59297F3aCDe356f546c925FD5943a860A296603, 2);
_mint(0xb69C70A15954316920896cf11cEC942bB3CeA06f, 2);
_mint(0x0EDf79CBd5BEF41e59D8e4ddAd352DDf6aAb6560, 1);
_mint(0x2C077C051fdBaDc8388427E3aD30059E050b5f8f, 7);
_mint(0xb5105c731c5F3ec29eE4E84C7e0D45e8Ef43B300, 1);
_mint(0x62e3E1f39025fdADD7454704C13B7b2AE8C1A8EA, 5);
_mint(0xb69C70A15954316920896cf11cEC942bB3CeA06f, 1);
_mint(0x478FFba8eA4945fB9327812231dfB1c6cAFD2C49, 1);
_mint(0x0EDf79CBd5BEF41e59D8e4ddAd352DDf6aAb6560, 1);
_mint(0x37fDf57B5bA51B777865753CD4b0F2949d8b4FfA, 2);
_mint(0x766D5f2d38589aC4702184199c540cD97565B13B, 4);
_mint(0xb69C70A15954316920896cf11cEC942bB3CeA06f, 1);
_mint(0xd434B922e30193f9181284382517884c94350f9e, 3);
_mint(0x73F43E66041f8804DaB52592d1c0f1C26fF6fefe, 3);
_mint(0x37fDf57B5bA51B777865753CD4b0F2949d8b4FfA, 2);
_mint(0xb69C70A15954316920896cf11cEC942bB3CeA06f, 3);
_mint(0xC59297F3aCDe356f546c925FD5943a860A296603, 3);
_mint(0x37fDf57B5bA51B777865753CD4b0F2949d8b4FfA, 2);
_mint(0x62e3E1f39025fdADD7454704C13B7b2AE8C1A8EA, 13);
_mint(0xb69C70A15954316920896cf11cEC942bB3CeA06f, 2);
_mint(0x7c0a1f789c683B6636837C9D51c8AA2469d30ed6, 2);
}
//SIGNATURE VERIFICATION
/*@dev helper function for WL sale
returns true if reference address and signature match
false otherwise
Read more about ECDSA @openzeppelin https://docs.openzeppelin.com/contracts/2.x/utilities
*/
function verifyAddressSigner(
address referenceAddress,
bytes32 messageHash,
bytes memory signature
) internal pure returns (bool) {
return
referenceAddress ==
messageHash.toEthSignedMessageHash().recover(signature);
}
// @dev, helper hash function for WL Mint
function hashMessage(uint number, address sender)
private
pure
returns (bytes32)
{
return keccak256(abi.encodePacked(number, sender));
}
// @dev, helper hash function for WL Mint
function hashMessageGift(uint number, uint gift, address sender)
private
pure
returns (bytes32)
{
return keccak256(abi.encodePacked(number, gift, sender));
}
//END SIGNATURE VERIFICATION
/* MINTING */
//@dev The Max Someone Can Mint is Encoded In The Signature. Be careful
function vipMint(uint amount, uint max, bytes memory signature) external {
if (!vipStarted) revert SaleNotStarted();
if (totalSupply() + amount > maxSupply) revert SoldOut();
if (vipMintCounter + amount > maxVipMints) revert RoundSoldOut();
if (vipMints[_msgSender()] + amount > max) revert MaxMints();
if (!verifyAddressSigner(vipAddress, hashMessage(max, msg.sender), signature)) revert NotWL();
vipMints[_msgSender()] += amount;
vipMintCounter += amount;
_mint(_msgSender(), amount);
}
//@dev The Max Someone Can Mint is Encoded In The Signature. Be careful
function whiteListMint(uint amount, uint max, uint gift, bytes memory signature) external payable {
if (!whiteListStarted) revert SaleNotStarted();
if (totalSupply() + amount > maxSupply) revert SoldOut();
if (!verifyAddressSigner(whitelistAddress, hashMessageGift(max, gift, msg.sender), signature)) revert NotWL();
if (msg.value < (amount * whitelistPrice)) revert ValueTooLow();
if (wlMints[_msgSender()] + amount > max) revert MaxMints();
uint payout = amount * whitelistPrice;
wlMints[msg.sender] += amount;
// Other collections holders received 1 free NFT
uint gift_diff = gift - giftReceived[_msgSender()];
if (gift_diff > 0) {
giftReceived[_msgSender()] = gift;
amount += gift_diff;
}
wlMintCounter += amount;
_mint(msg.sender, amount);
spreadPayments(payout);
}
//@dev minting function for public sale
function publicMint(uint amount) external payable {
if (!publicSaleStarted) revert SaleNotStarted();
if (totalSupply() + amount > maxSupply) revert SoldOut();
if (msg.value < amount * publicPrice) revert ValueTooLow();
publicMints[_msgSender()] += amount;
_mint(msg.sender, amount);
uint payout = amount * publicPrice;
spreadPayments(payout);
}
function spreadPayments(uint payout) private {
uint communityPayout = payout * 4300 / 10000;
uint developmentPayout = payout * 1300 / 10000;
uint creatorPayout = payout * 2800 / 10000;
uint communityManagerPayout = payout * 1200 / 10000;
uint marketingPayout = payout * 400 / 10000;
(bool osCommunity,) = payable(communityPayoutAddress).call{value: communityPayout}("");
(bool osDevelopment,) = payable(developmentPayoutAddress).call{value: developmentPayout}("");
(bool osCreator,) = payable(creatorPayoutAddress).call{value: creatorPayout}("");
(bool osCommunityManager,) = payable(communityManagerPayoutAddress).call{value: communityManagerPayout}("");
(bool osMarketing,) = payable(marketingPayoutAddress).call{value: marketingPayout}("");
}
/* END MINTING */
function setBaseURI(string memory _newBaseURI) public onlyOwner {
baseURI = _newBaseURI;
}
function setWlAddress(address _newAddress) external onlyOwner {
require(_newAddress != address(0), "CAN'T PUT 0 ADDRESS");
whitelistAddress = _newAddress;
}
function setVipAddress(address _newAddress) external onlyOwner {
require(_newAddress != address(0), "CAN'T PUT 0 ADDRESS");
vipAddress = _newAddress;
}
function setCommunityPayoutAddress(address _newAddress) external onlyOwner {
require(_newAddress != address(0), "CAN'T PUT 0 ADDRESS");
communityPayoutAddress = _newAddress;
}
function setdevelopmentPayoutAddress(address _newAddress) external onlyOwner {
require(_newAddress != address(0), "CAN'T PUT 0 ADDRESS");
developmentPayoutAddress = _newAddress;
}
function setCreatorPayoutAddress(address _newAddress) external onlyOwner {
require(_newAddress != address(0), "CAN'T PUT 0 ADDRESS");
creatorPayoutAddress = _newAddress;
}
function setCommunityManagerPayoutAddress(address _newAddress) external onlyOwner {
require(_newAddress != address(0), "CAN'T PUT 0 ADDRESS");
communityManagerPayoutAddress = _newAddress;
}
function setMarketingPayoutAddress(address _newAddress) external onlyOwner {
require(_newAddress != address(0), "CAN'T PUT 0 ADDRESS");
marketingPayoutAddress = _newAddress;
}
function setUriSuffix(string memory _newSuffix) external onlyOwner {
uriSuffix = _newSuffix;
}
function setPublicStatus(bool status) external onlyOwner {
publicSaleStarted = status;
}
function setWhiteListStatus(bool status) external onlyOwner {
whiteListStarted = status;
}
function setVipStatus(bool status) external onlyOwner {
vipStarted = status;
}
function setPublicPrice(uint64 _newPrice) external onlyOwner {
publicPrice = _newPrice;
}
function setWhiteListPrice(uint64 _newPrice) external onlyOwner {
whitelistPrice = _newPrice;
}
function setMaxVipSupply(uint16 _wlSupply) external onlyOwner {
maxVipMints = _wlSupply;
}
function setMaxSupply(uint newSupply) external onlyOwner {
maxSupply = newSupply;
}
//END SETTERS
function _startTokenId() internal view override returns (uint256) {
return 1;
}
// FACTORY
function tokenURI(uint256 tokenId)
public
view
override(IERC721A, ERC721A)
returns (string memory)
{
string memory currentBaseURI = baseURI;
return
bytes(currentBaseURI).length > 0
? string(abi.encodePacked(currentBaseURI, tokenId.toString(), uriSuffix))
: "";
}
function withdraw() public onlyOwner {
uint256 balance = address(this).balance;
(bool r1,) = payable(owner()).call{value: balance}("");
require(r1);
}
function contractURI() public view returns (string memory) {
return "https://alphainchain.io/contract-metadata.json";
}
}// 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
// OpenZeppelin Contracts (last updated v4.5.0) (utils/cryptography/ECDSA.sol)
pragma solidity ^0.8.0;
import "Strings.sol";
/**
* @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
*
* These functions can be used to verify that a message was signed by the holder
* of the private keys of a given address.
*/
library ECDSA {
enum RecoverError {
NoError,
InvalidSignature,
InvalidSignatureLength,
InvalidSignatureS,
InvalidSignatureV
}
function _throwError(RecoverError error) private pure {
if (error == RecoverError.NoError) {
return; // no error: do nothing
} else if (error == RecoverError.InvalidSignature) {
revert("ECDSA: invalid signature");
} else if (error == RecoverError.InvalidSignatureLength) {
revert("ECDSA: invalid signature length");
} else if (error == RecoverError.InvalidSignatureS) {
revert("ECDSA: invalid signature 's' value");
} else if (error == RecoverError.InvalidSignatureV) {
revert("ECDSA: invalid signature 'v' value");
}
}
/**
* @dev Returns the address that signed a hashed message (`hash`) with
* `signature` or error string. This address can then be used for verification purposes.
*
* The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
* this function rejects them by requiring the `s` value to be in the lower
* half order, and the `v` value to be either 27 or 28.
*
* IMPORTANT: `hash` _must_ be the result of a hash operation for the
* verification to be secure: it is possible to craft signatures that
* recover to arbitrary addresses for non-hashed data. A safe way to ensure
* this is by receiving a hash of the original message (which may otherwise
* be too long), and then calling {toEthSignedMessageHash} on it.
*
* Documentation for signature generation:
* - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
* - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
*
* _Available since v4.3._
*/
function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
// Check the signature length
// - case 65: r,s,v signature (standard)
// - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) _Available since v4.1._
if (signature.length == 65) {
bytes32 r;
bytes32 s;
uint8 v;
// ecrecover takes the signature parameters, and the only way to get them
// currently is to use assembly.
assembly {
r := mload(add(signature, 0x20))
s := mload(add(signature, 0x40))
v := byte(0, mload(add(signature, 0x60)))
}
return tryRecover(hash, v, r, s);
} else if (signature.length == 64) {
bytes32 r;
bytes32 vs;
// ecrecover takes the signature parameters, and the only way to get them
// currently is to use assembly.
assembly {
r := mload(add(signature, 0x20))
vs := mload(add(signature, 0x40))
}
return tryRecover(hash, r, vs);
} else {
return (address(0), RecoverError.InvalidSignatureLength);
}
}
/**
* @dev Returns the address that signed a hashed message (`hash`) with
* `signature`. This address can then be used for verification purposes.
*
* The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
* this function rejects them by requiring the `s` value to be in the lower
* half order, and the `v` value to be either 27 or 28.
*
* IMPORTANT: `hash` _must_ be the result of a hash operation for the
* verification to be secure: it is possible to craft signatures that
* recover to arbitrary addresses for non-hashed data. A safe way to ensure
* this is by receiving a hash of the original message (which may otherwise
* be too long), and then calling {toEthSignedMessageHash} on it.
*/
function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
(address recovered, RecoverError error) = tryRecover(hash, signature);
_throwError(error);
return recovered;
}
/**
* @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
*
* See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
*
* _Available since v4.3._
*/
function tryRecover(
bytes32 hash,
bytes32 r,
bytes32 vs
) internal pure returns (address, RecoverError) {
bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
uint8 v = uint8((uint256(vs) >> 255) + 27);
return tryRecover(hash, v, r, s);
}
/**
* @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
*
* _Available since v4.2._
*/
function recover(
bytes32 hash,
bytes32 r,
bytes32 vs
) internal pure returns (address) {
(address recovered, RecoverError error) = tryRecover(hash, r, vs);
_throwError(error);
return recovered;
}
/**
* @dev Overload of {ECDSA-tryRecover} that receives the `v`,
* `r` and `s` signature fields separately.
*
* _Available since v4.3._
*/
function tryRecover(
bytes32 hash,
uint8 v,
bytes32 r,
bytes32 s
) internal pure returns (address, RecoverError) {
// EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
// unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
// the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
// signatures from current libraries generate a unique signature with an s-value in the lower half order.
//
// If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
// with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
// vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
// these malleable signatures as well.
if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
return (address(0), RecoverError.InvalidSignatureS);
}
if (v != 27 && v != 28) {
return (address(0), RecoverError.InvalidSignatureV);
}
// If the signature is valid (and not malleable), return the signer address
address signer = ecrecover(hash, v, r, s);
if (signer == address(0)) {
return (address(0), RecoverError.InvalidSignature);
}
return (signer, RecoverError.NoError);
}
/**
* @dev Overload of {ECDSA-recover} that receives the `v`,
* `r` and `s` signature fields separately.
*/
function recover(
bytes32 hash,
uint8 v,
bytes32 r,
bytes32 s
) internal pure returns (address) {
(address recovered, RecoverError error) = tryRecover(hash, v, r, s);
_throwError(error);
return recovered;
}
/**
* @dev Returns an Ethereum Signed Message, created from a `hash`. This
* produces hash corresponding to the one signed with the
* https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
* JSON-RPC method as part of EIP-191.
*
* See {recover}.
*/
function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
// 32 is the length in bytes of hash,
// enforced by the type signature above
return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
}
/**
* @dev Returns an Ethereum Signed Message, created from `s`. This
* produces hash corresponding to the one signed with the
* https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
* JSON-RPC method as part of EIP-191.
*
* See {recover}.
*/
function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s));
}
/**
* @dev Returns an Ethereum Signed Typed Data, created from a
* `domainSeparator` and a `structHash`. This produces hash corresponding
* to the one signed with the
* https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
* JSON-RPC method as part of EIP-712.
*
* See {recover}.
*/
function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
}
}
// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs
pragma solidity ^0.8.4;
import "IERC721A.sol";
/**
* @dev Interface of ERC721 token receiver.
*/
interface ERC721A__IERC721Receiver {
function onERC721Received(
address operator,
address from,
uint256 tokenId,
bytes calldata data
) external returns (bytes4);
}
/**
* @title ERC721A
*
* @dev Implementation of the [ERC721](https://eips.ethereum.org/EIPS/eip-721)
* Non-Fungible Token Standard, including the Metadata extension.
* Optimized for lower gas during batch mints.
*
* Token IDs are minted in sequential order (e.g. 0, 1, 2, 3, ...)
* starting from `_startTokenId()`.
*
* Assumptions:
*
* - An owner cannot have more than 2**64 - 1 (max value of uint64) of supply.
* - The maximum token ID cannot exceed 2**256 - 1 (max value of uint256).
*/
contract ERC721A is IERC721A {
// Bypass for a `--via-ir` bug (https://github.com/chiru-labs/ERC721A/pull/364).
struct TokenApprovalRef {
address value;
}
// =============================================================
// CONSTANTS
// =============================================================
// Mask of an entry in packed address data.
uint256 private constant _BITMASK_ADDRESS_DATA_ENTRY = (1 << 64) - 1;
// The bit position of `numberMinted` in packed address data.
uint256 private constant _BITPOS_NUMBER_MINTED = 64;
// The bit position of `numberBurned` in packed address data.
uint256 private constant _BITPOS_NUMBER_BURNED = 128;
// The bit position of `aux` in packed address data.
uint256 private constant _BITPOS_AUX = 192;
// Mask of all 256 bits in packed address data except the 64 bits for `aux`.
uint256 private constant _BITMASK_AUX_COMPLEMENT = (1 << 192) - 1;
// The bit position of `startTimestamp` in packed ownership.
uint256 private constant _BITPOS_START_TIMESTAMP = 160;
// The bit mask of the `burned` bit in packed ownership.
uint256 private constant _BITMASK_BURNED = 1 << 224;
// The bit position of the `nextInitialized` bit in packed ownership.
uint256 private constant _BITPOS_NEXT_INITIALIZED = 225;
// The bit mask of the `nextInitialized` bit in packed ownership.
uint256 private constant _BITMASK_NEXT_INITIALIZED = 1 << 225;
// The bit position of `extraData` in packed ownership.
uint256 private constant _BITPOS_EXTRA_DATA = 232;
// Mask of all 256 bits in a packed ownership except the 24 bits for `extraData`.
uint256 private constant _BITMASK_EXTRA_DATA_COMPLEMENT = (1 << 232) - 1;
// The mask of the lower 160 bits for addresses.
uint256 private constant _BITMASK_ADDRESS = (1 << 160) - 1;
// The maximum `quantity` that can be minted with {_mintERC2309}.
// This limit is to prevent overflows on the address data entries.
// For a limit of 5000, a total of 3.689e15 calls to {_mintERC2309}
// is required to cause an overflow, which is unrealistic.
uint256 private constant _MAX_MINT_ERC2309_QUANTITY_LIMIT = 5000;
// The `Transfer` event signature is given by:
// `keccak256(bytes("Transfer(address,address,uint256)"))`.
bytes32 private constant _TRANSFER_EVENT_SIGNATURE =
0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef;
// =============================================================
// STORAGE
// =============================================================
// The next token ID to be minted.
uint256 private _currentIndex;
// The number of tokens burned.
uint256 private _burnCounter;
// Token name
string private _name;
// Token symbol
string private _symbol;
// Mapping from token ID to ownership details
// An empty struct value does not necessarily mean the token is unowned.
// See {_packedOwnershipOf} implementation for details.
//
// Bits Layout:
// - [0..159] `addr`
// - [160..223] `startTimestamp`
// - [224] `burned`
// - [225] `nextInitialized`
// - [232..255] `extraData`
mapping(uint256 => uint256) private _packedOwnerships;
// Mapping owner address to address data.
//
// Bits Layout:
// - [0..63] `balance`
// - [64..127] `numberMinted`
// - [128..191] `numberBurned`
// - [192..255] `aux`
mapping(address => uint256) private _packedAddressData;
// Mapping from token ID to approved address.
mapping(uint256 => TokenApprovalRef) private _tokenApprovals;
// Mapping from owner to operator approvals
mapping(address => mapping(address => bool)) private _operatorApprovals;
// =============================================================
// CONSTRUCTOR
// =============================================================
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
_currentIndex = _startTokenId();
}
// =============================================================
// TOKEN COUNTING OPERATIONS
// =============================================================
/**
* @dev Returns the starting token ID.
* To change the starting token ID, please override this function.
*/
function _startTokenId() internal view virtual returns (uint256) {
return 0;
}
/**
* @dev Returns the next token ID to be minted.
*/
function _nextTokenId() internal view virtual returns (uint256) {
return _currentIndex;
}
/**
* @dev Returns the total number of tokens in existence.
* Burned tokens will reduce the count.
* To get the total number of tokens minted, please see {_totalMinted}.
*/
function totalSupply() public view virtual override returns (uint256) {
// Counter underflow is impossible as _burnCounter cannot be incremented
// more than `_currentIndex - _startTokenId()` times.
unchecked {
return _currentIndex - _burnCounter - _startTokenId();
}
}
/**
* @dev Returns the total amount of tokens minted in the contract.
*/
function _totalMinted() internal view virtual returns (uint256) {
// Counter underflow is impossible as `_currentIndex` does not decrement,
// and it is initialized to `_startTokenId()`.
unchecked {
return _currentIndex - _startTokenId();
}
}
/**
* @dev Returns the total number of tokens burned.
*/
function _totalBurned() internal view virtual returns (uint256) {
return _burnCounter;
}
// =============================================================
// ADDRESS DATA OPERATIONS
// =============================================================
/**
* @dev Returns the number of tokens in `owner`'s account.
*/
function balanceOf(address owner) public view virtual override returns (uint256) {
if (owner == address(0)) _revert(BalanceQueryForZeroAddress.selector);
return _packedAddressData[owner] & _BITMASK_ADDRESS_DATA_ENTRY;
}
/**
* Returns the number of tokens minted by `owner`.
*/
function _numberMinted(address owner) internal view returns (uint256) {
return (_packedAddressData[owner] >> _BITPOS_NUMBER_MINTED) & _BITMASK_ADDRESS_DATA_ENTRY;
}
/**
* Returns the number of tokens burned by or on behalf of `owner`.
*/
function _numberBurned(address owner) internal view returns (uint256) {
return (_packedAddressData[owner] >> _BITPOS_NUMBER_BURNED) & _BITMASK_ADDRESS_DATA_ENTRY;
}
/**
* Returns the auxiliary data for `owner`. (e.g. number of whitelist mint slots used).
*/
function _getAux(address owner) internal view returns (uint64) {
return uint64(_packedAddressData[owner] >> _BITPOS_AUX);
}
/**
* Sets the auxiliary data for `owner`. (e.g. number of whitelist mint slots used).
* If there are multiple variables, please pack them into a uint64.
*/
function _setAux(address owner, uint64 aux) internal virtual {
uint256 packed = _packedAddressData[owner];
uint256 auxCasted;
// Cast `aux` with assembly to avoid redundant masking.
assembly {
auxCasted := aux
}
packed = (packed & _BITMASK_AUX_COMPLEMENT) | (auxCasted << _BITPOS_AUX);
_packedAddressData[owner] = packed;
}
// =============================================================
// IERC165
// =============================================================
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)
* to learn more about how these ids are created.
*
* This function call must use less than 30000 gas.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
// The interface IDs are constants representing the first 4 bytes
// of the XOR of all function selectors in the interface.
// See: [ERC165](https://eips.ethereum.org/EIPS/eip-165)
// (e.g. `bytes4(i.functionA.selector ^ i.functionB.selector ^ ...)`)
return
interfaceId == 0x01ffc9a7 || // ERC165 interface ID for ERC165.
interfaceId == 0x80ac58cd || // ERC165 interface ID for ERC721.
interfaceId == 0x5b5e139f; // ERC165 interface ID for ERC721Metadata.
}
// =============================================================
// IERC721Metadata
// =============================================================
/**
* @dev Returns the token collection name.
*/
function name() public view virtual override returns (string memory) {
return _name;
}
/**
* @dev Returns the token collection symbol.
*/
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
/**
* @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
*/
function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
if (!_exists(tokenId)) _revert(URIQueryForNonexistentToken.selector);
string memory baseURI = _baseURI();
return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, _toString(tokenId))) : '';
}
/**
* @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
* token will be the concatenation of the `baseURI` and the `tokenId`. Empty
* by default, it can be overridden in child contracts.
*/
function _baseURI() internal view virtual returns (string memory) {
return '';
}
// =============================================================
// OWNERSHIPS OPERATIONS
// =============================================================
/**
* @dev Returns the owner of the `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function ownerOf(uint256 tokenId) public view virtual override returns (address) {
return address(uint160(_packedOwnershipOf(tokenId)));
}
/**
* @dev Gas spent here starts off proportional to the maximum mint batch size.
* It gradually moves to O(1) as tokens get transferred around over time.
*/
function _ownershipOf(uint256 tokenId) internal view virtual returns (TokenOwnership memory) {
return _unpackedOwnership(_packedOwnershipOf(tokenId));
}
/**
* @dev Returns the unpacked `TokenOwnership` struct at `index`.
*/
function _ownershipAt(uint256 index) internal view virtual returns (TokenOwnership memory) {
return _unpackedOwnership(_packedOwnerships[index]);
}
/**
* @dev Returns whether the ownership slot at `index` is initialized.
* An uninitialized slot does not necessarily mean that the slot has no owner.
*/
function _ownershipIsInitialized(uint256 index) internal view virtual returns (bool) {
return _packedOwnerships[index] != 0;
}
/**
* @dev Initializes the ownership slot minted at `index` for efficiency purposes.
*/
function _initializeOwnershipAt(uint256 index) internal virtual {
if (_packedOwnerships[index] == 0) {
_packedOwnerships[index] = _packedOwnershipOf(index);
}
}
/**
* Returns the packed ownership data of `tokenId`.
*/
function _packedOwnershipOf(uint256 tokenId) private view returns (uint256 packed) {
if (_startTokenId() <= tokenId) {
packed = _packedOwnerships[tokenId];
// If the data at the starting slot does not exist, start the scan.
if (packed == 0) {
if (tokenId >= _currentIndex) _revert(OwnerQueryForNonexistentToken.selector);
// Invariant:
// There will always be an initialized ownership slot
// (i.e. `ownership.addr != address(0) && ownership.burned == false`)
// before an unintialized ownership slot
// (i.e. `ownership.addr == address(0) && ownership.burned == false`)
// Hence, `tokenId` will not underflow.
//
// We can directly compare the packed value.
// If the address is zero, packed will be zero.
for (;;) {
unchecked {
packed = _packedOwnerships[--tokenId];
}
if (packed == 0) continue;
if (packed & _BITMASK_BURNED == 0) return packed;
// Otherwise, the token is burned, and we must revert.
// This handles the case of batch burned tokens, where only the burned bit
// of the starting slot is set, and remaining slots are left uninitialized.
_revert(OwnerQueryForNonexistentToken.selector);
}
}
// Otherwise, the data exists and we can skip the scan.
// This is possible because we have already achieved the target condition.
// This saves 2143 gas on transfers of initialized tokens.
// If the token is not burned, return `packed`. Otherwise, revert.
if (packed & _BITMASK_BURNED == 0) return packed;
}
_revert(OwnerQueryForNonexistentToken.selector);
}
/**
* @dev Returns the unpacked `TokenOwnership` struct from `packed`.
*/
function _unpackedOwnership(uint256 packed) private pure returns (TokenOwnership memory ownership) {
ownership.addr = address(uint160(packed));
ownership.startTimestamp = uint64(packed >> _BITPOS_START_TIMESTAMP);
ownership.burned = packed & _BITMASK_BURNED != 0;
ownership.extraData = uint24(packed >> _BITPOS_EXTRA_DATA);
}
/**
* @dev Packs ownership data into a single uint256.
*/
function _packOwnershipData(address owner, uint256 flags) private view returns (uint256 result) {
assembly {
// Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.
owner := and(owner, _BITMASK_ADDRESS)
// `owner | (block.timestamp << _BITPOS_START_TIMESTAMP) | flags`.
result := or(owner, or(shl(_BITPOS_START_TIMESTAMP, timestamp()), flags))
}
}
/**
* @dev Returns the `nextInitialized` flag set if `quantity` equals 1.
*/
function _nextInitializedFlag(uint256 quantity) private pure returns (uint256 result) {
// For branchless setting of the `nextInitialized` flag.
assembly {
// `(quantity == 1) << _BITPOS_NEXT_INITIALIZED`.
result := shl(_BITPOS_NEXT_INITIALIZED, eq(quantity, 1))
}
}
// =============================================================
// APPROVAL OPERATIONS
// =============================================================
/**
* @dev Gives permission to `to` to transfer `tokenId` token to another account. See {ERC721A-_approve}.
*
* Requirements:
*
* - The caller must own the token or be an approved operator.
*/
function approve(address to, uint256 tokenId) public payable virtual override {
_approve(to, tokenId, true);
}
/**
* @dev Returns the account approved for `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function getApproved(uint256 tokenId) public view virtual override returns (address) {
if (!_exists(tokenId)) _revert(ApprovalQueryForNonexistentToken.selector);
return _tokenApprovals[tokenId].value;
}
/**
* @dev Approve or remove `operator` as an operator for the caller.
* Operators can call {transferFrom} or {safeTransferFrom}
* for any token owned by the caller.
*
* Requirements:
*
* - The `operator` cannot be the caller.
*
* Emits an {ApprovalForAll} event.
*/
function setApprovalForAll(address operator, bool approved) public virtual override {
_operatorApprovals[_msgSenderERC721A()][operator] = approved;
emit ApprovalForAll(_msgSenderERC721A(), operator, approved);
}
/**
* @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
*
* See {setApprovalForAll}.
*/
function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
return _operatorApprovals[owner][operator];
}
/**
* @dev Returns whether `tokenId` exists.
*
* Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
*
* Tokens start existing when they are minted. See {_mint}.
*/
function _exists(uint256 tokenId) internal view virtual returns (bool result) {
if (_startTokenId() <= tokenId) {
if (tokenId < _currentIndex) {
uint256 packed;
while ((packed = _packedOwnerships[tokenId]) == 0) --tokenId;
result = packed & _BITMASK_BURNED == 0;
}
}
}
/**
* @dev Returns whether `msgSender` is equal to `approvedAddress` or `owner`.
*/
function _isSenderApprovedOrOwner(
address approvedAddress,
address owner,
address msgSender
) private pure returns (bool result) {
assembly {
// Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.
owner := and(owner, _BITMASK_ADDRESS)
// Mask `msgSender` to the lower 160 bits, in case the upper bits somehow aren't clean.
msgSender := and(msgSender, _BITMASK_ADDRESS)
// `msgSender == owner || msgSender == approvedAddress`.
result := or(eq(msgSender, owner), eq(msgSender, approvedAddress))
}
}
/**
* @dev Returns the storage slot and value for the approved address of `tokenId`.
*/
function _getApprovedSlotAndAddress(uint256 tokenId)
private
view
returns (uint256 approvedAddressSlot, address approvedAddress)
{
TokenApprovalRef storage tokenApproval = _tokenApprovals[tokenId];
// The following is equivalent to `approvedAddress = _tokenApprovals[tokenId].value`.
assembly {
approvedAddressSlot := tokenApproval.slot
approvedAddress := sload(approvedAddressSlot)
}
}
// =============================================================
// TRANSFER OPERATIONS
// =============================================================
/**
* @dev Transfers `tokenId` from `from` to `to`.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token
* by either {approve} or {setApprovalForAll}.
*
* Emits a {Transfer} event.
*/
function transferFrom(
address from,
address to,
uint256 tokenId
) public payable virtual override {
uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);
// Mask `from` to the lower 160 bits, in case the upper bits somehow aren't clean.
from = address(uint160(uint256(uint160(from)) & _BITMASK_ADDRESS));
if (address(uint160(prevOwnershipPacked)) != from) _revert(TransferFromIncorrectOwner.selector);
(uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId);
// The nested ifs save around 20+ gas over a compound boolean condition.
if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))
if (!isApprovedForAll(from, _msgSenderERC721A())) _revert(TransferCallerNotOwnerNorApproved.selector);
_beforeTokenTransfers(from, to, tokenId, 1);
// Clear approvals from the previous owner.
assembly {
if approvedAddress {
// This is equivalent to `delete _tokenApprovals[tokenId]`.
sstore(approvedAddressSlot, 0)
}
}
// Underflow of the sender's balance is impossible because we check for
// ownership above and the recipient's balance can't realistically overflow.
// Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256.
unchecked {
// We can directly increment and decrement the balances.
--_packedAddressData[from]; // Updates: `balance -= 1`.
++_packedAddressData[to]; // Updates: `balance += 1`.
// Updates:
// - `address` to the next owner.
// - `startTimestamp` to the timestamp of transfering.
// - `burned` to `false`.
// - `nextInitialized` to `true`.
_packedOwnerships[tokenId] = _packOwnershipData(
to,
_BITMASK_NEXT_INITIALIZED | _nextExtraData(from, to, prevOwnershipPacked)
);
// If the next slot may not have been initialized (i.e. `nextInitialized == false`) .
if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {
uint256 nextTokenId = tokenId + 1;
// If the next slot's address is zero and not burned (i.e. packed value is zero).
if (_packedOwnerships[nextTokenId] == 0) {
// If the next slot is within bounds.
if (nextTokenId != _currentIndex) {
// Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.
_packedOwnerships[nextTokenId] = prevOwnershipPacked;
}
}
}
}
// Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean.
uint256 toMasked = uint256(uint160(to)) & _BITMASK_ADDRESS;
assembly {
// Emit the `Transfer` event.
log4(
0, // Start of data (0, since no data).
0, // End of data (0, since no data).
_TRANSFER_EVENT_SIGNATURE, // Signature.
from, // `from`.
toMasked, // `to`.
tokenId // `tokenId`.
)
}
if (toMasked == 0) _revert(TransferToZeroAddress.selector);
_afterTokenTransfers(from, to, tokenId, 1);
}
/**
* @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) public payable virtual override {
safeTransferFrom(from, to, tokenId, '');
}
/**
* @dev Safely transfers `tokenId` token from `from` to `to`.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token
* by either {approve} or {setApprovalForAll}.
* - 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 tokenId,
bytes memory _data
) public payable virtual override {
transferFrom(from, to, tokenId);
if (to.code.length != 0)
if (!_checkContractOnERC721Received(from, to, tokenId, _data)) {
_revert(TransferToNonERC721ReceiverImplementer.selector);
}
}
/**
* @dev Hook that is called before a set of serially-ordered token IDs
* are about to be transferred. This includes minting.
* And also called before burning one token.
*
* `startTokenId` - the first token ID to be transferred.
* `quantity` - the amount to be transferred.
*
* Calling conditions:
*
* - When `from` and `to` are both non-zero, `from`'s `tokenId` will be
* transferred to `to`.
* - When `from` is zero, `tokenId` will be minted for `to`.
* - When `to` is zero, `tokenId` will be burned by `from`.
* - `from` and `to` are never both zero.
*/
function _beforeTokenTransfers(
address from,
address to,
uint256 startTokenId,
uint256 quantity
) internal virtual {}
/**
* @dev Hook that is called after a set of serially-ordered token IDs
* have been transferred. This includes minting.
* And also called after one token has been burned.
*
* `startTokenId` - the first token ID to be transferred.
* `quantity` - the amount to be transferred.
*
* Calling conditions:
*
* - When `from` and `to` are both non-zero, `from`'s `tokenId` has been
* transferred to `to`.
* - When `from` is zero, `tokenId` has been minted for `to`.
* - When `to` is zero, `tokenId` has been burned by `from`.
* - `from` and `to` are never both zero.
*/
function _afterTokenTransfers(
address from,
address to,
uint256 startTokenId,
uint256 quantity
) internal virtual {}
/**
* @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target contract.
*
* `from` - Previous owner of the given token ID.
* `to` - Target address that will receive the token.
* `tokenId` - Token ID to be transferred.
* `_data` - Optional data to send along with the call.
*
* Returns whether the call correctly returned the expected magic value.
*/
function _checkContractOnERC721Received(
address from,
address to,
uint256 tokenId,
bytes memory _data
) private returns (bool) {
try ERC721A__IERC721Receiver(to).onERC721Received(_msgSenderERC721A(), from, tokenId, _data) returns (
bytes4 retval
) {
return retval == ERC721A__IERC721Receiver(to).onERC721Received.selector;
} catch (bytes memory reason) {
if (reason.length == 0) {
_revert(TransferToNonERC721ReceiverImplementer.selector);
}
assembly {
revert(add(32, reason), mload(reason))
}
}
}
// =============================================================
// MINT OPERATIONS
// =============================================================
/**
* @dev Mints `quantity` tokens and transfers them to `to`.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - `quantity` must be greater than 0.
*
* Emits a {Transfer} event for each mint.
*/
function _mint(address to, uint256 quantity) internal virtual {
uint256 startTokenId = _currentIndex;
if (quantity == 0) _revert(MintZeroQuantity.selector);
_beforeTokenTransfers(address(0), to, startTokenId, quantity);
// Overflows are incredibly unrealistic.
// `balance` and `numberMinted` have a maximum limit of 2**64.
// `tokenId` has a maximum limit of 2**256.
unchecked {
// Updates:
// - `address` to the owner.
// - `startTimestamp` to the timestamp of minting.
// - `burned` to `false`.
// - `nextInitialized` to `quantity == 1`.
_packedOwnerships[startTokenId] = _packOwnershipData(
to,
_nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)
);
// Updates:
// - `balance += quantity`.
// - `numberMinted += quantity`.
//
// We can directly add to the `balance` and `numberMinted`.
_packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1);
// Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean.
uint256 toMasked = uint256(uint160(to)) & _BITMASK_ADDRESS;
if (toMasked == 0) _revert(MintToZeroAddress.selector);
uint256 end = startTokenId + quantity;
uint256 tokenId = startTokenId;
do {
assembly {
// Emit the `Transfer` event.
log4(
0, // Start of data (0, since no data).
0, // End of data (0, since no data).
_TRANSFER_EVENT_SIGNATURE, // Signature.
0, // `address(0)`.
toMasked, // `to`.
tokenId // `tokenId`.
)
}
// The `!=` check ensures that large values of `quantity`
// that overflows uint256 will make the loop run out of gas.
} while (++tokenId != end);
_currentIndex = end;
}
_afterTokenTransfers(address(0), to, startTokenId, quantity);
}
/**
* @dev Mints `quantity` tokens and transfers them to `to`.
*
* This function is intended for efficient minting only during contract creation.
*
* It emits only one {ConsecutiveTransfer} as defined in
* [ERC2309](https://eips.ethereum.org/EIPS/eip-2309),
* instead of a sequence of {Transfer} event(s).
*
* Calling this function outside of contract creation WILL make your contract
* non-compliant with the ERC721 standard.
* For full ERC721 compliance, substituting ERC721 {Transfer} event(s) with the ERC2309
* {ConsecutiveTransfer} event is only permissible during contract creation.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - `quantity` must be greater than 0.
*
* Emits a {ConsecutiveTransfer} event.
*/
function _mintERC2309(address to, uint256 quantity) internal virtual {
uint256 startTokenId = _currentIndex;
if (to == address(0)) _revert(MintToZeroAddress.selector);
if (quantity == 0) _revert(MintZeroQuantity.selector);
if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT) _revert(MintERC2309QuantityExceedsLimit.selector);
_beforeTokenTransfers(address(0), to, startTokenId, quantity);
// Overflows are unrealistic due to the above check for `quantity` to be below the limit.
unchecked {
// Updates:
// - `balance += quantity`.
// - `numberMinted += quantity`.
//
// We can directly add to the `balance` and `numberMinted`.
_packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1);
// Updates:
// - `address` to the owner.
// - `startTimestamp` to the timestamp of minting.
// - `burned` to `false`.
// - `nextInitialized` to `quantity == 1`.
_packedOwnerships[startTokenId] = _packOwnershipData(
to,
_nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)
);
emit ConsecutiveTransfer(startTokenId, startTokenId + quantity - 1, address(0), to);
_currentIndex = startTokenId + quantity;
}
_afterTokenTransfers(address(0), to, startTokenId, quantity);
}
/**
* @dev Safely mints `quantity` tokens and transfers them to `to`.
*
* Requirements:
*
* - If `to` refers to a smart contract, it must implement
* {IERC721Receiver-onERC721Received}, which is called for each safe transfer.
* - `quantity` must be greater than 0.
*
* See {_mint}.
*
* Emits a {Transfer} event for each mint.
*/
function _safeMint(
address to,
uint256 quantity,
bytes memory _data
) internal virtual {
_mint(to, quantity);
unchecked {
if (to.code.length != 0) {
uint256 end = _currentIndex;
uint256 index = end - quantity;
do {
if (!_checkContractOnERC721Received(address(0), to, index++, _data)) {
_revert(TransferToNonERC721ReceiverImplementer.selector);
}
} while (index < end);
// Reentrancy protection.
if (_currentIndex != end) _revert(bytes4(0));
}
}
}
/**
* @dev Equivalent to `_safeMint(to, quantity, '')`.
*/
function _safeMint(address to, uint256 quantity) internal virtual {
_safeMint(to, quantity, '');
}
// =============================================================
// APPROVAL OPERATIONS
// =============================================================
/**
* @dev Equivalent to `_approve(to, tokenId, false)`.
*/
function _approve(address to, uint256 tokenId) internal virtual {
_approve(to, tokenId, false);
}
/**
* @dev Gives permission to `to` to transfer `tokenId` token to another account.
* The approval is cleared when the token is transferred.
*
* Only a single account can be approved at a time, so approving the
* zero address clears previous approvals.
*
* Requirements:
*
* - `tokenId` must exist.
*
* Emits an {Approval} event.
*/
function _approve(
address to,
uint256 tokenId,
bool approvalCheck
) internal virtual {
address owner = ownerOf(tokenId);
if (approvalCheck && _msgSenderERC721A() != owner)
if (!isApprovedForAll(owner, _msgSenderERC721A())) {
_revert(ApprovalCallerNotOwnerNorApproved.selector);
}
_tokenApprovals[tokenId].value = to;
emit Approval(owner, to, tokenId);
}
// =============================================================
// BURN OPERATIONS
// =============================================================
/**
* @dev Equivalent to `_burn(tokenId, false)`.
*/
function _burn(uint256 tokenId) internal virtual {
_burn(tokenId, false);
}
/**
* @dev Destroys `tokenId`.
* The approval is cleared when the token is burned.
*
* Requirements:
*
* - `tokenId` must exist.
*
* Emits a {Transfer} event.
*/
function _burn(uint256 tokenId, bool approvalCheck) internal virtual {
uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);
address from = address(uint160(prevOwnershipPacked));
(uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId);
if (approvalCheck) {
// The nested ifs save around 20+ gas over a compound boolean condition.
if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))
if (!isApprovedForAll(from, _msgSenderERC721A())) _revert(TransferCallerNotOwnerNorApproved.selector);
}
_beforeTokenTransfers(from, address(0), tokenId, 1);
// Clear approvals from the previous owner.
assembly {
if approvedAddress {
// This is equivalent to `delete _tokenApprovals[tokenId]`.
sstore(approvedAddressSlot, 0)
}
}
// Underflow of the sender's balance is impossible because we check for
// ownership above and the recipient's balance can't realistically overflow.
// Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256.
unchecked {
// Updates:
// - `balance -= 1`.
// - `numberBurned += 1`.
//
// We can directly decrement the balance, and increment the number burned.
// This is equivalent to `packed -= 1; packed += 1 << _BITPOS_NUMBER_BURNED;`.
_packedAddressData[from] += (1 << _BITPOS_NUMBER_BURNED) - 1;
// Updates:
// - `address` to the last owner.
// - `startTimestamp` to the timestamp of burning.
// - `burned` to `true`.
// - `nextInitialized` to `true`.
_packedOwnerships[tokenId] = _packOwnershipData(
from,
(_BITMASK_BURNED | _BITMASK_NEXT_INITIALIZED) | _nextExtraData(from, address(0), prevOwnershipPacked)
);
// If the next slot may not have been initialized (i.e. `nextInitialized == false`) .
if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {
uint256 nextTokenId = tokenId + 1;
// If the next slot's address is zero and not burned (i.e. packed value is zero).
if (_packedOwnerships[nextTokenId] == 0) {
// If the next slot is within bounds.
if (nextTokenId != _currentIndex) {
// Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.
_packedOwnerships[nextTokenId] = prevOwnershipPacked;
}
}
}
}
emit Transfer(from, address(0), tokenId);
_afterTokenTransfers(from, address(0), tokenId, 1);
// Overflow not possible, as _burnCounter cannot be exceed _currentIndex times.
unchecked {
_burnCounter++;
}
}
// =============================================================
// EXTRA DATA OPERATIONS
// =============================================================
/**
* @dev Directly sets the extra data for the ownership data `index`.
*/
function _setExtraDataAt(uint256 index, uint24 extraData) internal virtual {
uint256 packed = _packedOwnerships[index];
if (packed == 0) _revert(OwnershipNotInitializedForExtraData.selector);
uint256 extraDataCasted;
// Cast `extraData` with assembly to avoid redundant masking.
assembly {
extraDataCasted := extraData
}
packed = (packed & _BITMASK_EXTRA_DATA_COMPLEMENT) | (extraDataCasted << _BITPOS_EXTRA_DATA);
_packedOwnerships[index] = packed;
}
/**
* @dev Called during each token transfer to set the 24bit `extraData` field.
* Intended to be overridden by the cosumer contract.
*
* `previousExtraData` - the value of `extraData` before transfer.
*
* Calling conditions:
*
* - When `from` and `to` are both non-zero, `from`'s `tokenId` will be
* transferred to `to`.
* - When `from` is zero, `tokenId` will be minted for `to`.
* - When `to` is zero, `tokenId` will be burned by `from`.
* - `from` and `to` are never both zero.
*/
function _extraData(
address from,
address to,
uint24 previousExtraData
) internal view virtual returns (uint24) {}
/**
* @dev Returns the next extra data for the packed ownership data.
* The returned result is shifted into position.
*/
function _nextExtraData(
address from,
address to,
uint256 prevOwnershipPacked
) private view returns (uint256) {
uint24 extraData = uint24(prevOwnershipPacked >> _BITPOS_EXTRA_DATA);
return uint256(_extraData(from, to, extraData)) << _BITPOS_EXTRA_DATA;
}
// =============================================================
// OTHER OPERATIONS
// =============================================================
/**
* @dev Returns the message sender (defaults to `msg.sender`).
*
* If you are writing GSN compatible contracts, you need to override this function.
*/
function _msgSenderERC721A() internal view virtual returns (address) {
return msg.sender;
}
/**
* @dev Converts a uint256 to its ASCII string decimal representation.
*/
function _toString(uint256 value) internal pure virtual returns (string memory str) {
assembly {
// The maximum value of a uint256 contains 78 digits (1 byte per digit), but
// we allocate 0xa0 bytes to keep the free memory pointer 32-byte word aligned.
// We will need 1 word for the trailing zeros padding, 1 word for the length,
// and 3 words for a maximum of 78 digits. Total: 5 * 0x20 = 0xa0.
let m := add(mload(0x40), 0xa0)
// Update the free memory pointer to allocate.
mstore(0x40, m)
// Assign the `str` to the end.
str := sub(m, 0x20)
// Zeroize the slot after the string.
mstore(str, 0)
// Cache the end of the memory to calculate the length later.
let end := str
// We write the string from rightmost digit to leftmost digit.
// The following is essentially a do-while loop that also handles the zero case.
// prettier-ignore
for { let temp := value } 1 {} {
str := sub(str, 1)
// Write the character to the pointer.
// The ASCII index of the '0' character is 48.
mstore8(str, add(48, mod(temp, 10)))
// Keep dividing `temp` until zero.
temp := div(temp, 10)
// prettier-ignore
if iszero(temp) { break }
}
let length := sub(end, str)
// Move the pointer 32 bytes leftwards to make room for the length.
str := sub(str, 0x20)
// Store the length.
mstore(str, length)
}
}
/**
* @dev For more efficient reverts.
*/
function _revert(bytes4 errorSelector) internal pure {
assembly {
mstore(0x00, errorSelector)
revert(0x00, 0x04)
}
}
}
// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs
pragma solidity ^0.8.4;
import "IERC721AQueryable.sol";
import "ERC721A.sol";
/**
* @title ERC721AQueryable.
*
* @dev ERC721A subclass with convenience query functions.
*/
abstract contract ERC721AQueryable is ERC721A, IERC721AQueryable {
/**
* @dev Returns the `TokenOwnership` struct at `tokenId` without reverting.
*
* If the `tokenId` is out of bounds:
*
* - `addr = address(0)`
* - `startTimestamp = 0`
* - `burned = false`
* - `extraData = 0`
*
* If the `tokenId` is burned:
*
* - `addr = <Address of owner before token was burned>`
* - `startTimestamp = <Timestamp when token was burned>`
* - `burned = true`
* - `extraData = <Extra data when token was burned>`
*
* Otherwise:
*
* - `addr = <Address of owner>`
* - `startTimestamp = <Timestamp of start of ownership>`
* - `burned = false`
* - `extraData = <Extra data at start of ownership>`
*/
function explicitOwnershipOf(uint256 tokenId)
public
view
virtual
override
returns (TokenOwnership memory ownership)
{
unchecked {
if (tokenId >= _startTokenId()) {
if (tokenId < _nextTokenId()) {
// If the `tokenId` is within bounds,
// scan backwards for the initialized ownership slot.
while (!_ownershipIsInitialized(tokenId)) --tokenId;
return _ownershipAt(tokenId);
}
}
}
}
/**
* @dev Returns an array of `TokenOwnership` structs at `tokenIds` in order.
* See {ERC721AQueryable-explicitOwnershipOf}
*/
function explicitOwnershipsOf(uint256[] calldata tokenIds)
external
view
virtual
override
returns (TokenOwnership[] memory)
{
TokenOwnership[] memory ownerships;
uint256 i = tokenIds.length;
assembly {
// Grab the free memory pointer.
ownerships := mload(0x40)
// Store the length.
mstore(ownerships, i)
// Allocate one word for the length,
// `tokenIds.length` words for the pointers.
i := shl(5, i) // Multiply `i` by 32.
mstore(0x40, add(add(ownerships, 0x20), i))
}
while (i != 0) {
uint256 tokenId;
assembly {
i := sub(i, 0x20)
tokenId := calldataload(add(tokenIds.offset, i))
}
TokenOwnership memory ownership = explicitOwnershipOf(tokenId);
assembly {
// Store the pointer of `ownership` in the `ownerships` array.
mstore(add(add(ownerships, 0x20), i), ownership)
}
}
return ownerships;
}
/**
* @dev Returns an array of token IDs owned by `owner`,
* in the range [`start`, `stop`)
* (i.e. `start <= tokenId < stop`).
*
* This function allows for tokens to be queried if the collection
* grows too big for a single call of {ERC721AQueryable-tokensOfOwner}.
*
* Requirements:
*
* - `start < stop`
*/
function tokensOfOwnerIn(
address owner,
uint256 start,
uint256 stop
) external view virtual override returns (uint256[] memory) {
return _tokensOfOwnerIn(owner, start, stop);
}
/**
* @dev Returns an array of token IDs owned by `owner`.
*
* This function scans the ownership mapping and is O(`totalSupply`) in complexity.
* It is meant to be called off-chain.
*
* See {ERC721AQueryable-tokensOfOwnerIn} for splitting the scan into
* multiple smaller scans if the collection is large enough to cause
* an out-of-gas error (10K collections should be fine).
*/
function tokensOfOwner(address owner) external view virtual override returns (uint256[] memory) {
uint256 start = _startTokenId();
uint256 stop = _nextTokenId();
uint256[] memory tokenIds;
if (start != stop) tokenIds = _tokensOfOwnerIn(owner, start, stop);
return tokenIds;
}
/**
* @dev Helper function for returning an array of token IDs owned by `owner`.
*
* Note that this function is optimized for smaller bytecode size over runtime gas,
* since it is meant to be called off-chain.
*/
function _tokensOfOwnerIn(
address owner,
uint256 start,
uint256 stop
) private view returns (uint256[] memory) {
unchecked {
if (start >= stop) _revert(InvalidQueryRange.selector);
// Set `start = max(start, _startTokenId())`.
if (start < _startTokenId()) {
start = _startTokenId();
}
uint256 stopLimit = _nextTokenId();
// Set `stop = min(stop, stopLimit)`.
if (stop >= stopLimit) {
stop = stopLimit;
}
uint256[] memory tokenIds;
uint256 tokenIdsMaxLength = balanceOf(owner);
bool startLtStop = start < stop;
assembly {
// Set `tokenIdsMaxLength` to zero if `start` is less than `stop`.
tokenIdsMaxLength := mul(tokenIdsMaxLength, startLtStop)
}
if (tokenIdsMaxLength != 0) {
// Set `tokenIdsMaxLength = min(balanceOf(owner), stop - start)`,
// to cater for cases where `balanceOf(owner)` is too big.
if (stop - start <= tokenIdsMaxLength) {
tokenIdsMaxLength = stop - start;
}
assembly {
// Grab the free memory pointer.
tokenIds := mload(0x40)
// Allocate one word for the length, and `tokenIdsMaxLength` words
// for the data. `shl(5, x)` is equivalent to `mul(32, x)`.
mstore(0x40, add(tokenIds, shl(5, add(tokenIdsMaxLength, 1))))
}
// We need to call `explicitOwnershipOf(start)`,
// because the slot at `start` may not be initialized.
TokenOwnership memory ownership = explicitOwnershipOf(start);
address currOwnershipAddr;
// If the starting slot exists (i.e. not burned),
// initialize `currOwnershipAddr`.
// `ownership.address` will not be zero,
// as `start` is clamped to the valid token ID range.
if (!ownership.burned) {
currOwnershipAddr = ownership.addr;
}
uint256 tokenIdsIdx;
// Use a do-while, which is slightly more efficient for this case,
// as the array will at least contain one element.
do {
ownership = _ownershipAt(start);
assembly {
switch mload(add(ownership, 0x40))
// if `ownership.burned == false`.
case 0 {
// if `ownership.addr != address(0)`.
// The `addr` already has it's upper 96 bits clearned,
// since it is written to memory with regular Solidity.
if mload(ownership) {
currOwnershipAddr := mload(ownership)
}
// if `currOwnershipAddr == owner`.
// The `shl(96, x)` is to make the comparison agnostic to any
// dirty upper 96 bits in `owner`.
if iszero(shl(96, xor(currOwnershipAddr, owner))) {
tokenIdsIdx := add(tokenIdsIdx, 1)
mstore(add(tokenIds, shl(5, tokenIdsIdx)), start)
}
}
// Otherwise, reset `currOwnershipAddr`.
// This handles the case of batch burned tokens
// (burned bit of first slot set, remaining slots left uninitialized).
default {
currOwnershipAddr := 0
}
start := add(start, 1)
}
} while (!(start == stop || tokenIdsIdx == tokenIdsMaxLength));
// Store the length of the array.
assembly {
mstore(tokenIds, tokenIdsIdx)
}
}
return tokenIds;
}
}
}
// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs
pragma solidity ^0.8.4;
/**
* @dev Interface of ERC721A.
*/
interface IERC721A {
/**
* The caller must own the token or be an approved operator.
*/
error ApprovalCallerNotOwnerNorApproved();
/**
* The token does not exist.
*/
error ApprovalQueryForNonexistentToken();
/**
* Cannot query the balance for the zero address.
*/
error BalanceQueryForZeroAddress();
/**
* Cannot mint to the zero address.
*/
error MintToZeroAddress();
/**
* The quantity of tokens minted must be more than zero.
*/
error MintZeroQuantity();
/**
* The token does not exist.
*/
error OwnerQueryForNonexistentToken();
/**
* The caller must own the token or be an approved operator.
*/
error TransferCallerNotOwnerNorApproved();
/**
* The token must be owned by `from`.
*/
error TransferFromIncorrectOwner();
/**
* Cannot safely transfer to a contract that does not implement the
* ERC721Receiver interface.
*/
error TransferToNonERC721ReceiverImplementer();
/**
* Cannot transfer to the zero address.
*/
error TransferToZeroAddress();
/**
* The token does not exist.
*/
error URIQueryForNonexistentToken();
/**
* The `quantity` minted with ERC2309 exceeds the safety limit.
*/
error MintERC2309QuantityExceedsLimit();
/**
* The `extraData` cannot be set on an unintialized ownership slot.
*/
error OwnershipNotInitializedForExtraData();
// =============================================================
// STRUCTS
// =============================================================
struct TokenOwnership {
// The address of the owner.
address addr;
// Stores the start time of ownership with minimal overhead for tokenomics.
uint64 startTimestamp;
// Whether the token has been burned.
bool burned;
// Arbitrary data similar to `startTimestamp` that can be set via {_extraData}.
uint24 extraData;
}
// =============================================================
// TOKEN COUNTERS
// =============================================================
/**
* @dev Returns the total number of tokens in existence.
* Burned tokens will reduce the count.
* To get the total number of tokens minted, please see {_totalMinted}.
*/
function totalSupply() external view returns (uint256);
// =============================================================
// IERC165
// =============================================================
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)
* to learn more about how these ids are created.
*
* This function call must use less than 30000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
// =============================================================
// IERC721
// =============================================================
/**
* @dev Emitted when `tokenId` token is transferred from `from` to `to`.
*/
event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
*/
event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables or disables
* (`approved`) `operator` to manage all of its assets.
*/
event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
/**
* @dev Returns the number of tokens in `owner`'s account.
*/
function balanceOf(address owner) external view returns (uint256 balance);
/**
* @dev Returns the owner of the `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function ownerOf(uint256 tokenId) external view returns (address owner);
/**
* @dev Safely transfers `tokenId` token from `from` to `to`,
* checking first that contract recipients are aware of the ERC721 protocol
* to prevent tokens from being forever locked.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be have been allowed to move
* this token by either {approve} or {setApprovalForAll}.
* - 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 tokenId,
bytes calldata data
) external payable;
/**
* @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) external payable;
/**
* @dev Transfers `tokenId` from `from` to `to`.
*
* WARNING: Usage of this method is discouraged, use {safeTransferFrom}
* whenever possible.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token
* by either {approve} or {setApprovalForAll}.
*
* Emits a {Transfer} event.
*/
function transferFrom(
address from,
address to,
uint256 tokenId
) external payable;
/**
* @dev Gives permission to `to` to transfer `tokenId` token to another account.
* The approval is cleared when the token is transferred.
*
* Only a single account can be approved at a time, so approving the
* zero address clears previous approvals.
*
* Requirements:
*
* - The caller must own the token or be an approved operator.
* - `tokenId` must exist.
*
* Emits an {Approval} event.
*/
function approve(address to, uint256 tokenId) external payable;
/**
* @dev Approve or remove `operator` as an operator for the caller.
* Operators can call {transferFrom} or {safeTransferFrom}
* for any token owned by the caller.
*
* Requirements:
*
* - The `operator` cannot be the caller.
*
* Emits an {ApprovalForAll} event.
*/
function setApprovalForAll(address operator, bool _approved) external;
/**
* @dev Returns the account approved for `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function getApproved(uint256 tokenId) external view returns (address operator);
/**
* @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
*
* See {setApprovalForAll}.
*/
function isApprovedForAll(address owner, address operator) external view returns (bool);
// =============================================================
// IERC721Metadata
// =============================================================
/**
* @dev Returns the token collection name.
*/
function name() external view returns (string memory);
/**
* @dev Returns the token collection symbol.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
*/
function tokenURI(uint256 tokenId) external view returns (string memory);
// =============================================================
// IERC2309
// =============================================================
/**
* @dev Emitted when tokens in `fromTokenId` to `toTokenId`
* (inclusive) is transferred from `from` to `to`, as defined in the
* [ERC2309](https://eips.ethereum.org/EIPS/eip-2309) standard.
*
* See {_mintERC2309} for more details.
*/
event ConsecutiveTransfer(uint256 indexed fromTokenId, uint256 toTokenId, address indexed from, address indexed to);
}
// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs
pragma solidity ^0.8.4;
import "IERC721A.sol";
/**
* @dev Interface of ERC721AQueryable.
*/
interface IERC721AQueryable is IERC721A {
/**
* Invalid query range (`start` >= `stop`).
*/
error InvalidQueryRange();
/**
* @dev Returns the `TokenOwnership` struct at `tokenId` without reverting.
*
* If the `tokenId` is out of bounds:
*
* - `addr = address(0)`
* - `startTimestamp = 0`
* - `burned = false`
* - `extraData = 0`
*
* If the `tokenId` is burned:
*
* - `addr = <Address of owner before token was burned>`
* - `startTimestamp = <Timestamp when token was burned>`
* - `burned = true`
* - `extraData = <Extra data when token was burned>`
*
* Otherwise:
*
* - `addr = <Address of owner>`
* - `startTimestamp = <Timestamp of start of ownership>`
* - `burned = false`
* - `extraData = <Extra data at start of ownership>`
*/
function explicitOwnershipOf(uint256 tokenId) external view returns (TokenOwnership memory);
/**
* @dev Returns an array of `TokenOwnership` structs at `tokenIds` in order.
* See {ERC721AQueryable-explicitOwnershipOf}
*/
function explicitOwnershipsOf(uint256[] memory tokenIds) external view returns (TokenOwnership[] memory);
/**
* @dev Returns an array of token IDs owned by `owner`,
* in the range [`start`, `stop`)
* (i.e. `start <= tokenId < stop`).
*
* This function allows for tokens to be queried if the collection
* grows too big for a single call of {ERC721AQueryable-tokensOfOwner}.
*
* Requirements:
*
* - `start < stop`
*/
function tokensOfOwnerIn(
address owner,
uint256 start,
uint256 stop
) external view returns (uint256[] memory);
/**
* @dev Returns an array of token IDs owned by `owner`.
*
* This function scans the ownership mapping and is O(`totalSupply`) in complexity.
* It is meant to be called off-chain.
*
* See {ERC721AQueryable-tokensOfOwnerIn} for splitting the scan into
* multiple smaller scans if the collection is large enough to cause
* an out-of-gas error (10K collections should be fine).
*/
function tokensOfOwner(address owner) external view returns (uint256[] memory);
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)
pragma solidity ^0.8.0;
import "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 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 {
_transferOwnership(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)
pragma solidity ^0.8.0;
/**
* @dev Contract module that helps prevent reentrant calls to a function.
*
* Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
* available, which can be applied to functions to make sure there are no nested
* (reentrant) calls to them.
*
* Note that because there is a single `nonReentrant` guard, functions marked as
* `nonReentrant` may not call one another. This can be worked around by making
* those functions `private`, and then adding `external` `nonReentrant` entry
* points to them.
*
* TIP: If you would like to learn more about reentrancy and alternative ways
* to protect against it, check out our blog post
* https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
*/
abstract contract ReentrancyGuard {
// Booleans are more expensive than uint256 or any type that takes up a full
// word because each write operation emits an extra SLOAD to first read the
// slot's contents, replace the bits taken up by the boolean, and then write
// back. This is the compiler's defense against contract upgrades and
// pointer aliasing, and it cannot be disabled.
// The values being non-zero value makes deployment a bit more expensive,
// but in exchange the refund on every call to nonReentrant will be lower in
// amount. Since refunds are capped to a percentage of the total
// transaction's gas, it is best to keep them low in cases like this one, to
// increase the likelihood of the full refund coming into effect.
uint256 private constant _NOT_ENTERED = 1;
uint256 private constant _ENTERED = 2;
uint256 private _status;
constructor() {
_status = _NOT_ENTERED;
}
/**
* @dev Prevents a contract from calling itself, directly or indirectly.
* Calling a `nonReentrant` function from another `nonReentrant`
* function is not supported. It is possible to prevent this from happening
* by making the `nonReentrant` function external, and making it call a
* `private` function that does the actual work.
*/
modifier nonReentrant() {
// On the first call to nonReentrant, _notEntered will be true
require(_status != _ENTERED, "ReentrancyGuard: reentrant call");
// Any calls to nonReentrant after this point will fail
_status = _ENTERED;
_;
// By storing the original value once again, a refund is triggered (see
// https://eips.ethereum.org/EIPS/eip-2200)
_status = _NOT_ENTERED;
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)
pragma solidity ^0.8.0;
/**
* @dev String operations.
*/
library Strings {
bytes16 private constant _HEX_SYMBOLS = "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] = _HEX_SYMBOLS[value & 0xf];
value >>= 4;
}
require(value == 0, "Strings: hex length insufficient");
return string(buffer);
}
}
{
"compilationTarget": {
"999KillTimez.sol": "_999KillTimez"
},
"evmVersion": "istanbul",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"InvalidQueryRange","type":"error"},{"inputs":[],"name":"MaxMints","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"NotWL","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","type":"error"},{"inputs":[],"name":"RoundSoldOut","type":"error"},{"inputs":[],"name":"SaleNotStarted","type":"error"},{"inputs":[],"name":"SoldOut","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToNonERC721ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"URIQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"ValueTooLow","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"fromTokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"toTokenId","type":"uint256"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"ConsecutiveTransfer","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":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"contractURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"explicitOwnershipOf","outputs":[{"components":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint64","name":"startTimestamp","type":"uint64"},{"internalType":"bool","name":"burned","type":"bool"},{"internalType":"uint24","name":"extraData","type":"uint24"}],"internalType":"struct IERC721A.TokenOwnership","name":"ownership","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"explicitOwnershipsOf","outputs":[{"components":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint64","name":"startTimestamp","type":"uint64"},{"internalType":"bool","name":"burned","type":"bool"},{"internalType":"uint24","name":"extraData","type":"uint24"}],"internalType":"struct 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eListPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"status","type":"bool"}],"name":"setWhiteListStatus","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newAddress","type":"address"}],"name":"setWlAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newAddress","type":"address"}],"name":"setdevelopmentPayoutAddress","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":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"tokensOfOwner","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"start","type":"uint256"},{"internalType":"uint256","name":"stop","type":"uint256"}],"name":"tokensOfOwnerIn","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":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"uriSuffix","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"max","type":"uint256"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"vipMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"vipMintCounter","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"vipMints","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"max","type":"uint256"},{"internalType":"uint256","name":"gift","type":"uint256"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"whiteListMint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"whitelistPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"wlMintCounter","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"wlMints","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]