Factory (Factory) Token Tracker |Eherscan (2024)

Fichier 1 sur 8: context.sol

// SPDX-license-identificateur: MIT // Contrats OpenZeppelin (Dernière mise à jour v5.0.1) (utils / context.sol) Pragma Solidity ^ 0.8.20; / ** * @DEV fournit des informations sur le contexte d'exécution actuel, y compris le contexte, y compris le contexte, y compris le contexte, y compris le contexte, y compris le contexte, y compris le contexte, y compris le contexte, y compris le contexte, y compris le contexte, y compris le contexte, y compris le contexte, y compris le contexte, y compris le contexte, y compris le contexte, y compris le contexte, y compris le contexte de l'exécution actuel, y compris le contexte, y compris le contexte, y compris le contexte, y compris le contexte, y compris le contexte, y compris le contexte de l'exécution actuel, y compris le contexte, y compris le contexte, y compris les* Expéditeur de la transaction et de ses données.Bien que ceux-ci soient généralement disponibles * via MSG.Sender et Msg.Data, ils ne doivent pas être accessibles de manière aussi directe *, car lorsque vous traitez avec des méta-transactions, l'envoi du compte et * payer pour l'exécution peuvent ne pas être l'expéditeur réel (caren tant que demande * est concernée).* * Ce contrat n'est requis que pour les contrats intermédiaires de type bibliothèque.* / Résumé Contexte du contrat {fonction _msgSender () View interne returns virtuel (adresse) {return msg.sender;} fonction _MSGDATA () View interne Virtual Returns (Bytes callData) {return msg.data;} fonction _ContextSuffixLength () View interne Virtual returns (uint256) {return 0;}}

Fichier 2 sur 8: Merkleproof.sol

// SPDX-License-Identifier : MIT// OpenZeppelin Contracts (dernière mise à jour v5.0.0) (utils/cryptography/MerkleProof.sol)pragma solidity ^0.8.20;/** * @dev Ces fonctions traitent de la vérification de Merkle Tree preuves. * * L'arbre et les preuves peuvent être générés à l'aide de notre * https://github.com/OpenZeppelin/merkle-tree[Bibliothèque JavaScript]. * Vous trouverez un guide de démarrage rapide dans le fichier Lisez-moi. * * AVERTISsem*nT : vous devez éviter d'utiliser des valeurs de feuille d'une longueur de 64 octets avant le * hachage, ou utiliser une fonction de hachage autre que keccak256 pour hacher les feuilles. * En effet, la concaténation d'une paire triée de nœuds internes * dans l'arbre Merkle pourrait être réinterprétée comme une valeur feuille. * La bibliothèque JavaScript d'OpenZeppelin génère des arbres Merkle qui sont sûrs * contre cette attaque dès la sortie de la boîte. */library MerkleProof { /** *@dev La multipreuve fournie n'est pas valide. */ erreur MerkleProofInvalidMultiproof(); /** * @dev Renvoie vrai s'il peut être prouvé qu'une « feuille » fait partie d'un arbre Merkle * défini par « racine ». Pour cela, une « preuve » doit être fournie, contenant * les hachages frères sur la branche depuis la feuille jusqu'à la racine de l'arbre. Chaque * paire de feuilles et chaque paire de pré-images sont supposées triées. */ function verify(bytes32[] mémoire proof, bytes32 root, bytes32 leaf) internal pure return (bool) { return processProof(proof, leaf) == root; } /** * @dev Calldata version de {verify} */ function verifyCalldata(bytes32[] calldata proof, bytes32 root, bytes32 leaf) internal pure return (bool) { return processProofCalldata(proof, leaf) == root; } /** * @dev Renvoie le hachage reconstruit obtenu en parcourant un arbre Merkle vers le haut * depuis `leaf` en utilisant `proof`. Une « preuve » est valide si et seulement si le hachage * reconstruit correspond à la racine de l'arborescence. Lors du traitement de l'épreuve, les couples * de feuilles & pré-images sont supposés triés. */ function processProof(bytes32[] preuve de mémoire, bytes32 leaf) internal pure return (bytes32) { bytes32 calculatedHash = leaf; for (uint256 i = 0; i < proof.length; i++) {computedHash = _hashPair(computedHash, proof[i]); } renvoie calculéHash ; } /** * @dev Calldata version de {processProof} */ function processProofCalldata(bytes32[] calldata proof, bytes32 leaf) retours purs internes (bytes32) { bytes32 calculatedHash = leaf; for (uint256 i = 0; i < proof.length; i++) {computedHash = _hashPair(computedHash, proof[i]); } renvoie calculéHash ; } /** * @dev Renvoie vrai s'il peut être simultanément prouvé que les `feuilles` font partie d'un arbre Merkle défini par * `root`, selon `proof` et `proofFlags` comme décrit dans {processMultiProof}. * * ATTENTION : Tous les arbres de Merkle n'admettent pas les multipreuves. Voir {processMultiProof} pour plus de détails. */ function multiProofVerify( bytes32[] preuve de mémoire, bool[] preuve de mémoire, bytes32 racine, bytes32[] feuilles de mémoire) retours purs internes (bool) { return processMultiProof(proof, proofFlags, leaves) == root; } /** * Version @dev Calldata de {multiProofVerify} * * ATTENTION : tous les arbres Merkle n'admettent pas les multipreuves. Voir {processMultiProof} pour plus de détails. */ function multiProofVerifyCalldata( bytes32[] calldata proof, bool[] calldata proofFlags, bytes32 root, bytes32[] memory leaves ) internal pure return (bool) { return processMultiProofCalldata(proof, proofFlags, leaves) == root; } /** * @dev Renvoie la racine d'un arbre reconstruit à partir de `feuilles` et de nœuds frères dans `proof`. La reconstruction * procède en reconstruisant progressivement tous les nœuds internes en combinant une feuille/nœud interne avec soit une autre * feuille/nœud interne, soit un nœud frère de preuve, selon que chaque élément `proofFlags` est vrai ou faux * respectivement. * * ATTENTION : Tous les arbres de Merkle n'admettent pas les multipreuves. Pour utiliser des multipreuves, il suffit de s'assurer que : 1) l'arbre * est complet (mais pas nécessairement parfait), 2) les feuilles à prouver sont dans l'ordre inverse de celles dans l'arbre * (c'est-à-dire vu de droite vers la gauche en commençant par la couche la plus profonde et en continuant à la couche suivante). */ function processMultiProof( bytes32[] memory proof, bool[] memory proofFlags, bytes32[] memory leaves ) internal pure return (bytes32 merkleRoot) { // Cette fonction reconstruit le hachage racine en parcourant l'arborescence à partir des feuilles. La racine est reconstruite en // consommant et produisant des valeurs dans une file d'attente. La file d'attente commence par le tableau `leaves`, puis passe au tableau // `hashes`. À la fin du processus, le dernier hachage du tableau `hashes` doit contenir la racine // de l'arborescence Merkle. uint256 leavesLen = feuilles.longueur; uint256 proofLen = preuve.length; uint256 totalHashes = proofFlags.length; // Vérifier la validité de la preuve. if (leavesLen + proofLen != totalHashes + 1) { revert MerkleProofInvalidMultiproof(); } // Les valeurs xxxPos sont des "pointeurs" vers la prochaine valeur à consommer dans chaque tableau. Tous les accès se font en utilisant // `xxx[xxxPos++]`, qui renvoie la valeur actuelle et incrémente le pointeur, imitant ainsi le "pop" d'une file d'attente. bytes32[] hachages de mémoire = new bytes32[](totalHashes); uint256 leafPos = 0 ; uint256 hashPos = 0 ; uint256 proofPos = 0 ; // A chaque étape, nous calculons le hachage suivant en utilisant deux valeurs : // - une valeur de la "file d'attente principale". Si toutes les feuilles n'ont pas été consommées, on obtient la feuille suivante, sinon on obtient // le hachage suivant. // - selon l'indicateur, soit une autre valeur de la "file d'attente principale" (fusion de branches), soit un élément du tableau // `proof`. for (uint256 i = 0; i < totalHashes; i++) { bytes32 a = leafPos < leavesLen ? feuilles[leafPos++] : hachages[hashPos++]; octets32 b = proofFlags[i] ? (leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++]) : proof[proofPos++]; hachages[i] = _hashPair(a, b); } if (totalHashes > 0) { if (proofPos != proofLen) { revert MerkleProofInvalidMultiproof(); } décoché { return hashes[totalHashes - 1]; } } else if (leavesLen > 0) { return leaves[0]; } else { return proof[0]; } } /** * @dev Version Calldata de {processMultiProof}. * * ATTENTION : Tous les arbres de Merkle n'admettent pas les multipreuves. Voir {processMultiProof} pour plus de détails. */ function processMultiProofCalldata( bytes32[] calldata proof, bool[] calldata proofFlags, bytes32[] memory leaves ) internal pure return (bytes32 merkleRoot) { // Cette fonction reconstruit le hachage racine en parcourant l'arborescence à partir des feuilles. La racine est reconstruite en // consommant et produisant des valeurs dans une file d'attente. La file d'attente commence par le tableau `leaves`, puis passe au tableau // `hashes`. À la fin du processus, le dernier hachage du tableau `hashes` doit contenir la racine // de l'arborescence Merkle. uint256 leavesLen = feuilles.longueur; uint256 proofLen = preuve.length; uint256 totalHashes = proofFlags.length; // Vérifier la validité de la preuve. if (leavesLen + proofLen != totalHashes + 1) { revert MerkleProofInvalidMultiproof(); } // Les valeurs xxxPos sont des "pointeurs" vers la prochaine valeur à consommer dans chaque tableau. Tous les accès se font en utilisant // `xxx[xxxPos++]`, qui renvoie la valeur actuelle et incrémente le pointeur, imitant ainsi le "pop" d'une file d'attente. bytes32[] hachages de mémoire = new bytes32[](totalHashes); uint256 leafPos = 0 ; uint256 hashPos = 0 ; uint256 proofPos = 0 ; // A chaque étape, nous calculons le hachage suivant en utilisant deux valeurs : // - une valeur de la "file d'attente principale". Si toutes les feuilles n'ont pas été consommées, on obtient la feuille suivante, sinon on obtient // le hachage suivant. // - selon l'indicateur, soit une autre valeur de la "file d'attente principale" (fusion de branches), soit un élément du tableau // `proof`. for (uint256 i = 0; i < totalHashes; i++) { bytes32 a = leafPos < leavesLen ? feuilles[leafPos++] : hachages[hashPos++]; octets32 b = proofFlags[i] ? (leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++]) : proof[proofPos++]; hachages[i] = _hashPair(a, b); } if (totalHashes > 0) { if (proofPos != proofLen) { revert MerkleProofInvalidMultiproof(); } décoché { return hashes[totalHashes - 1]; } } else if (leavesLen > 0) { return leaves[0]; } else { return proof[0]; } } /** * @dev Trie la paire (a, b) et hache le résultat. */ function _hashPair(bytes32 a, bytes32 b) private pure return (bytes32) { return a < b ? _efficientHash(a, b) : _efficientHash(b, a); } /** * @dev Implémentation de keccak256(abi.encode(a, b)) qui n'alloue ni n'étend la mémoire. */ function _efficientHash(bytes32 a, bytes32 b) private pure return (bytes32 value) { /// @solidity memory-safe-assembly assembly { mstore(0x00, a) mstore(0x20, b) value := keccak256(0x00, 0x40) } }}

Fichier 3 sur 8: pausable.sol

// SPDX-license-identifier: MIT // Contrats Openzeppelin (Dernière mise à jour v5.0.0) (utils / pausable.sol) Pragma Solidity ^ 0.8.20; import {context} de "../utils/context.sol";/ ** * @DEV Contract Module qui permet aux enfants de mettre en œuvre un mécanisme d'arrêt d'urgence * qui peut être déclenché par un compte autorisé.* * Ce module est utilisé par l'héritage.Il mettra à disposition les * modificateurs «quand Notpaused» et «Whenpaused», qui peuvent être appliqués aux * fonctions de votre contrat.Notez qu'ils ne seront pas pauvres en * incluant simplement ce module, une seule fois que les modificateurs seront mis en place.* / Contrat abstrait Pausable est contextuel {bool privé _paused;/ ** * @dev émis lorsque la pause est déclenchée par «compte».* / L'événement a été pauvre (compte d'adresse);/ ** * @dev émis lorsque la pause est levée par `compte '.* / événement non utilisé (compte d'adresse);/ ** * @dev L'opération a échoué car le contrat est interrompu.* / Error LiforcedPause ();/ ** * @dev L'opération a échoué car le contrat n'est pas interrompu.* / error attendPause ();/ ** * @dev initialise le contrat à l'état non utilisé.* / constructor () {_paused = false;} / ** * @DEV Modificateur Pour rendre une fonction appelable uniquement lorsque le contrat n'est pas interrompu.* * Exigences: * * - Le contrat ne doit pas être interrompu.* / modificateur WHERNOTPAUSED () {_RequiRenotPausesed ();_;} / ** * @DEV Modificateur Pour rendre une fonction appelable uniquement lorsque le contrat est interrompu.* * Exigences: * * - Le contrat doit être interrompu.* / Modificateur WhenPaused () {_RequirePaused ();_;} / ** * @dev Renvoie True si le contrat est interrompu et faux autrement.* / fonction paused () public View Virtual Returns (bool) {return _paused;} / ** * @dev lance si le contrat est interrompu.* / Fonction _RequiRenotPausesed () View interne Virtual {if (paused ()) {revert EnforcedPause ();}} / ** * @dev lance si le contrat n'est pas interrompu.* / function _requirepaused () View interne virtuel {if (! paused ()) {revert attendPause ();}} / ** * @dev déclenche l'état arrêté.* * Exigences: * * - Le contrat ne doit pas être interrompu.* / function _pause () virtuel interne quandNotpaused {_paused = true;émettre une pause (_msgSender ());} / ** * @dev revient à l'état normal.* * Exigences: * * - Le contrat doit être interrompu.* / function _unpause () virtuel interne lorsque PAUSED {_paused = false;émettre non usé (_msgSender ());}}

Fichier 4 sur 8: Fabrik.sol

// SPDX-license-identificateur: Solidité mitpragma 0,8.20; // ┬fique/ ┴ ┴ ┴ ┴fique));Error Zerobalance ();error menthefinished ();Error TransferFailed ();error mintNotFinished ();Error mintexepcedsmaxSupply ();Erreur ethreceivingNotAllowed ();Événement Mint (Uint256 indexé _StartTokenId, Uint256 _quantity, bytes32 [] _hashes, adresse indexée _OWNER);Événement AdminwithDrawal (montant indexé UINT256, adresse indexée);mappage (uint256 => bytes32) public tokengenerationparams;BOOL PUBLIC ISGERATINGScriptLocked;// Long Storage TEM du script de génération JavaScript pour la fabrication // Rendu possible dans un avenir lointain, non utilisé sur chaîne publique GeneratingScript;String Public Bustouri;uint256 public immuable mint_cutoff_date;uint256 public Immutable MAX_SUPPLY;/ ** * @param _name - Nom du token * @param _Symbol - symbole de jet(_name, _Symbol) Merkledistribute (_merkleroot, _admin) {generatingscript = _GeneratingScript;BUTURI = _BASURI;Mint_cutoff_date = block.timestamp + _minttimeout;Max_supply = _maxSupply;} fonction lockgeneratingscript () external onlyowner {if (isGeneratingScriptLocked) revert Locked ();isGeneratingScriptLocked = true;} fonction setGeneratingScript (String callData _GeneratingScript) External uniquement unique {if (isGeneratingScriptLocked) revert Locked ();GeneratingScript = _GeneratingScript;} / ** * La fonction @DEV pour la frappe d'une seule NFT, sera utilisée par les utilisateurs finaux, * `CALLBACKGASLIMIT» doit être configuré plus bas pour que le rappel `FAILLRANDOMWORDS` * puisse toujours travailler, mais être moins cher * Flux:menthes the token, demande un nombre aléatoire, ChainLink rappelle à `FAILLLRANDOMWORSS`, où *` TokennerationParams '(hachage aléatoire) se remplit pour le jeton * @param _merkleproof pour vérifier dans le Merkledistribute * @param _index index dans la racine Merkle - MerklePour vérifier dans la menthe MerkleDistributeur * / fonction (uint256 _quantity, bytes32 [] calldata _merkleproof, uint256 _index) external {if (block.timestamp> mint_cutoff_date) revert mintfinid ();_VerifyPofurAndChaim (_index, _quantity, _merkleproof, msg.sender);_Mintinternal (_quantity);} / ** * La fonction @DEV pour la frappe d'un NFT multiple, sera utilisée par la quantité d'administration, * Mints qui ne restait pas à forter * @param _quantity montant de jetons à générer * / fonction Mintremaining (uint32 _quantity) External uniquement {si(block.timestamp  max_supply) reversez mintexepceletsmaxSupply ();_mint (msg.sender, _quantity);Bytes32 [] Mémoire TokennerationParamSevent = new Bytes32 [] (_ Quantité);uint256 i = 0;for (; i <_quantity;) {bytes32 tokenidrandwordhash = keccak256 (abi.encodepacked (startTokenId + i, blockhash (block.number - 1), msg.sender));tokengenerationParams [startTokenId + i] = tokenidrandwordhash;tokengenerationParamSevent [i] = tokeniDrandwordHash;non coché {++ i;}} Emit Mint (startTokenId, _quantity, tokengenerationParamsevent, msg.sender);} fonction setBaseuri (mémoire de chaîne _baséuri) External uniquement unique {basturiri = _baséuri;} fonction _baseuri () View interne returns returns (string memory) {return baliseri;} Fonction retrait (adresse _to) uniquement externe {uint256 _amount = adresse (this) .Balance;if (_amount == 0) REVERT ZEROBALANCE ();émit adminwithDrawal (_amount, _to);(Bool Success,) = msg.Sender.Call {valeur: _amount} ("");if (! Success) REVERT TRANSFERFAILLED ();}}

Fichier 5 sur 8: Merkledistribute.sol

// SPDX-PILENCE-IDENTIFIER: MITPRAGMA SOLIDIDE 0.8.20; Import {Merkleproof} de "@ Openzeppelin / Contracts / Utils / Cryptography / Merkleproof.Sol"; Import {Pausable} à partir de "@ OpenZeppelin / Contracts / Utils / Pausable.Sol"; Import {propriétaire} de" ./utils/owable.sol" ;/** * @title merkledistribute * @author nftfi * @dev version modifiée de MerklekleSistor de l'UniSWAP * https://github.com/uniswap/merkle-stributor */blob/master/contracts/merkledistributor.sol * / contrat Merkledistributeur est propriétaire, pausable {bytes32 public merkleroot;mappage (uint256 => uint256) Private PlatedBitmap;Événement revendiqué (uint256 _index, uint256 _amount, bytes32 [] _merkleproof, adresse indexée _Account);/ ** * @dev Le constructeur initialise les références pour la collection NFTFI.* Il définit également le propriétaire du contrat.* @param _admin le propriétaire initial du contrat, généralement capable de définir les racines de Merkle.* / Constructor (bytes32 _merkleroot, adresse _admin) propriétaire (_admin) {merkleroot = _merkleroot;} fonction isClamed (uint256 _index) Returns de vue publique (bool) {uint256 revendiquéwordIndex = _index / 256;uint256 RelatedBitIndex = _index% 256;uint256 revendiqué = revendiquébitmap [revendiquéwordIndex];uint256 mask = (1 << releasedBitIndex);return revendinedword & mask == mask;} fonction _SetClaimed (uint256 _index) private {uint256 affirméwordIndex = _index / 256;uint256 RelatedBitIndex = _index% 256;RelatedBitmap [revendiquéwordIndex] = RelatedBitmap [revendiquéwordIndex] |(1 << releasedBitIndex);} fonction _verifyPofurAndChaim (uint256 _index, uint256 _amount, bytes32 [] mémoire _merkleproof, adresse _claimer) interne quand les erreurs de coutume (! Isclaimed (_index), "Distributeur: Distributeur: déjà affirmé");// Vérifiez la preuve Merkle.bytes32 node = keccak256 (abi.encodepacked (_index, _claimer, _amount));// solhint-disable-next-line personnalisé-Errors require (Merkleproof.verify (_merkleproof, merkleroot, nœud), "Distributeur: preuve non valide");// Marquez-le affirmé et envoyez le jeton._SetClaimed (_Index);Emit affirmé (_index, _amount, _merkleproof, _claimer);} Fonction _verifyPoHof (uint256 _index, uint256 _amount, bytes32 [] Memory _merkleproof, adresse _claimer) Returns de vue interne (bool) {// Vérifiez la preuve de Merkle.bytes32 node = keccak256 (abi.encodepacked (_index, _claimer, _amount));// solhint-disable-next-line personnalisé-errors return Merkleproof.verify (_merkleproof, merkleroot, nœud);} / ** * @dev déclenche l'état arrêté.* * Exigences: * * - Seul le propriétaire peut appeler cette méthode.* - Le contrat ne doit pas être interrompu.* / Fonction Pause () uniquement unique {_pause ();} / ** * @dev revient à l'état normal.* * Exigences: * * - Seul le propriétaire peut appeler cette méthode.* - Le contrat doit être interrompu.* / fonction inause () External OnlyOwner {_unpause ();}}

Fichier 6 sur 8: propriétaire.sol

// SPDX-license-identificateur: busl-1.1pragma solidité 0.8.20; import {context} de "@ openzeppelin / contracts / utils / context.sol"; / ** * @dev contrat module qui fournit un mécanisme de contrôle d'accès de base, où * il y a un compte (un propriétaire) qui peut être accordé un accès exclusif à * des fonctions spécifiques.* * Par défaut, le compte propriétaire sera celui qui déploie le contrat.Cela * peut plus tard être modifié avec {transfertownership}.* * Ce module est utilisé par l'héritage.Il mettra à disposition le modificateur * «OnlyOwner», qui peut être appliqué à vos fonctions pour restreindre leur utilisation au * propriétaire.* * Version modifiée à partir d'OpenZeppelin / Contracts / Access / Offrable.sol qui permet d'initialiser le propriétaire à l'aide d'un paramètre dans le constructeur * / Résumé Contrat Offrable est Context {Address Private _Owner;adresse privée _ownerANDIDAD;La propriété d'événements est transféré (adresse précédente indexée, adress indexé newowner);/ ** * @dev lance si appelé par un compte autre que le propriétaire.* / modificateur uniquement unique () {// SolHint-disable-next-line personnalisé Errors require (propriétaire () == _msgSender (), "Offrable: l'appelant n'est pas le propriétaire");_;} / ** * @dev initialise le contrat en train de définir le déploieur en tant que propriétaire initial.* / constructeur (adresse _InitialOwner) {_setowner (_InitialOwner);} / ** * @DEV Demandes de transfert de propriété du contrat vers un nouveau compte (`_Newownanderat`).* Ne peut être appelé que par le propriétaire actuel.* / fonction requestransferownership (adresse _newownerANDIDAD) public virtuel uniquement {// solhint-diisable-next-ligne personnalisé exiger (_NewownerANDIDDAD! = Adresse (0), "Offrable: le nouveau propriétaire est l'adresse zéro");_OwnerANDIDAD = _NEWOWNCANDIDAD;} fonction acceptTransferOwnership () public virtual {// solhint-disable-next-line personnalisé-errors require (_ownerANDIDAD == _msgSender (), "propriétaire: non propriétaire candidat");_setowner (_ownerANDIDAD);supprimer _OwnerANDIDAD;} fonction annuleTransferOwnership () public Virtual OnlyOwner {Delete _OwnerANDIDAD;} fonction rejectTransferOwnership () public virtual {// solhint-disable-next-line personnalisé-errors require (_ownerANDIDAD == _msgSender (), "propriétaire: non propriétaire candidat");supprimer _OwnerANDIDAD;} / ** * @dev renvoie l'adresse du propriétaire actuel.* / fonction propriétaire () public View Virtual Returns (adresse) {return _Owner;} / ** * @dev définit le propriétaire.* / fonction _setowner (adresse _Newowner) interne {adresse oldowner = _owner;_OWNER = _NEWOWNER;émettez la propriété TRANSFERRED (Oldowner, _Newowner);}}

Fichier 7 sur 8: ERC721A.SOL

// SPDX-License-Identifier: MIT// ERC721A Contracts v4.3.0// Creator: Chiru Labspragma 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()`. * * The `_sequentialUpTo()` function can be overriden to enable spot mints * (i.e. non-consecutive mints) for `tokenId`s greater than `_sequentialUpTo()`. * * 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; // The amount of tokens minted above `_sequentialUpTo()`. // We call these spot mints (i.e. non-sequential mints). uint256 private _spotMinted; // ============================================================= // CONSTRUCTOR // ============================================================= constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; _currentIndex = _startTokenId(); if (_sequentialUpTo() < _startTokenId()) _revert(SequentialUpToTooSmall.selector); } // ============================================================= // TOKEN COUNTING OPERATIONS // ============================================================= /** * @dev Returns the starting token ID for sequential mints. * * Override this function to change the starting token ID for sequential mints. * * Note: The value returned must never change after any tokens have been minted. */ function _startTokenId() internal view virtual returns (uint256) { return 0; } /** * @dev Returns the maximum token ID (inclusive) for sequential mints. * * Override this function to return a value less than 2**256 - 1, * but greater than `_startTokenId()`, to enable spot (non-sequential) mints. * * Note: The value returned must never change after any tokens have been minted. */ function _sequentialUpTo() internal view virtual returns (uint256) { return type(uint256).max; } /** * @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 result) { // Counter underflow is impossible as `_burnCounter` cannot be incremented // more than `_currentIndex + _spotMinted - _startTokenId()` times. unchecked { // With spot minting, the intermediate `result` can be temporarily negative, // and the computation must be unchecked. result = _currentIndex - _burnCounter - _startTokenId(); if (_sequentialUpTo() != type(uint256).max) result += _spotMinted; } } /** * @dev Returns the total amount of tokens minted in the contract. */ function _totalMinted() internal view virtual returns (uint256 result) { // Counter underflow is impossible as `_currentIndex` does not decrement, // and it is initialized to `_startTokenId()`. unchecked { result = _currentIndex - _startTokenId(); if (_sequentialUpTo() != type(uint256).max) result += _spotMinted; } } /** * @dev Returns the total number of tokens burned. */ function _totalBurned() internal view virtual returns (uint256) { return _burnCounter; } /** * @dev Returns the total number of tokens that are spot-minted. */ function _totalSpotMinted() internal view virtual returns (uint256) { return _spotMinted; } // ============================================================= // 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); } } /** * @dev Returns the packed ownership data of `tokenId`. */ function _packedOwnershipOf(uint256 tokenId) private view returns (uint256 packed) { if (_startTokenId() <= tokenId) { packed = _packedOwnerships[tokenId]; if (tokenId > _sequentialUpTo()) { if (_packedOwnershipExists(packed)) return packed; _revert(OwnerQueryForNonexistentToken.selector); } // 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 > _sequentialUpTo()) return _packedOwnershipExists(_packedOwnerships[tokenId]); if (tokenId < _currentIndex) { uint256 packed; while ((packed = _packedOwnerships[tokenId]) == 0) --tokenId; result = packed & _BITMASK_BURNED == 0; } } } /** * @dev Returns whether `packed` represents a token that exists. */ function _packedOwnershipExists(uint256 packed) private pure returns (bool result) { assembly { // The following is equivalent to `owner != address(0) && burned == false`. // Symbolically tested. result := gt(and(packed, _BITMASK_ADDRESS), and(packed, _BITMASK_BURNED)) } } /** * @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; if (end - 1 > _sequentialUpTo()) _revert(SequentialMintExceedsLimit.selector); 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) ); if (startTokenId + quantity - 1 > _sequentialUpTo()) _revert(SequentialMintExceedsLimit.selector); 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); // This prevents reentrancy to `_safeMint`. // It does not prevent reentrancy to `_safeMintSpot`. if (_currentIndex != end) revert(); } } } /** * @dev Equivalent to `_safeMint(to, quantity, '')`. */ function _safeMint(address to, uint256 quantity) internal virtual { _safeMint(to, quantity, ''); } /** * @dev Mints a single token at `tokenId`. * * Note: A spot-minted `tokenId` that has been burned can be re-minted again. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` must be greater than `_sequentialUpTo()`. * - `tokenId` must not exist. * * Emits a {Transfer} event for each mint. */ function _mintSpot(address to, uint256 tokenId) internal virtual { if (tokenId <= _sequentialUpTo()) _revert(SpotMintTokenIdTooSmall.selector); uint256 prevOwnershipPacked = _packedOwnerships[tokenId]; if (_packedOwnershipExists(prevOwnershipPacked)) _revert(TokenAlreadyExists.selector); _beforeTokenTransfers(address(0), to, tokenId, 1); // Overflows are incredibly unrealistic. // The `numberMinted` for `to` is incremented by 1, and has a max limit of 2**64 - 1. // `_spotMinted` is incremented by 1, and has a max limit of 2**256 - 1. unchecked { // Updates: // - `address` to the owner. // - `startTimestamp` to the timestamp of minting. // - `burned` to `false`. // - `nextInitialized` to `true` (as `quantity == 1`). _packedOwnerships[tokenId] = _packOwnershipData( to, _nextInitializedFlag(1) | _nextExtraData(address(0), to, prevOwnershipPacked) ); // Updates: // - `balance += 1`. // - `numberMinted += 1`. // // We can directly add to the `balance` and `numberMinted`. _packedAddressData[to] += (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); 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`. ) } ++_spotMinted; } _afterTokenTransfers(address(0), to, tokenId, 1); } /** * @dev Safely mints a single token at `tokenId`. * * Note: A spot-minted `tokenId` that has been burned can be re-minted again. * * Requirements: * * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}. * - `tokenId` must be greater than `_sequentialUpTo()`. * - `tokenId` must not exist. * * See {_mintSpot}. * * Emits a {Transfer} event. */ function _safeMintSpot( address to, uint256 tokenId, bytes memory _data ) internal virtual { _mintSpot(to, tokenId); unchecked { if (to.code.length != 0) { uint256 currentSpotMinted = _spotMinted; if (!_checkContractOnERC721Received(address(0), to, tokenId, _data)) { _revert(TransferToNonERC721ReceiverImplementer.selector); } // This prevents reentrancy to `_safeMintSpot`. // It does not prevent reentrancy to `_safeMint`. if (_spotMinted != currentSpotMinted) revert(); } } } /** * @dev Equivalent to `_safeMintSpot(to, tokenId, '')`. */ function _safeMintSpot(address to, uint256 tokenId) internal virtual { _safeMintSpot(to, tokenId, ''); } // ============================================================= // 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 + _spotMinted` 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) } }}

Fichier 8 sur 8: ierc721a.sol

// SPDX-License-Identifier : MIT// Contrats ERC721A v4.3.0// Créateur : Chiru Labspragma solidity ^0.8.4;/** * @dev Interface d'ERC721A. */interface IERC721A { /** * L'appelant doit posséder le token ou être un opérateur agréé. */ erreur ApprovalCallerNotOwnerNorApproved(); /** * Le jeton n'existe pas. */ erreur ApprovalQueryForNonexistentToken(); /** * Impossible d'interroger le solde pour l'adresse zéro. */ erreur BalanceQueryForZeroAddress(); /** * Impossible de créer l'adresse zéro. */ erreur MintToZeroAddress(); /** * La quantité de jetons émis doit être supérieure à zéro. */ erreur MintZeroQuantity(); /** * Le jeton n'existe pas. */ erreur OwnerQueryForNonexistentToken(); /** * L'appelant doit posséder le jeton ou être un opérateur agréé. */ erreur TransferCallerNotOwnerNorApproved(); /** * Le jeton doit appartenir à `from`. */ erreur TransferFromIncorrectOwner(); /** * Impossible de transférer en toute sécurité vers un contrat qui n'implémente pas l'interface * ERC721Receiver. */ erreur TransferToNonERC721ReceiverImplementer(); /** * Impossible de transférer vers l'adresse zéro. */ erreur TransferToZeroAddress(); /** * Le jeton n'existe pas. */ erreur URIQueryForNonexistentToken(); /** * La « quantité » frappée avec ERC2309 dépasse la limite de sécurité. */ erreur MintERC2309QuantityExceedsLimit(); /** * Le `extraData` ne peut pas être défini sur un emplacement de propriété non initialisé. */ erreur OwnershipNotInitializedForExtraData(); /** * `_sequentialUpTo()` doit être supérieur à `_startTokenId()`. */ erreur SequentialUpToTooSmall(); /** * Le `tokenId` d'un mint séquentiel dépasse `_sequentialUpTo()`. */ erreur SequentialMintExceedsLimit(); /** * La frappe ponctuelle nécessite un `tokenId` supérieur à `_sequentialUpTo()`. */ erreur SpotMintTokenIdTooSmall(); /** * Impossible de créer un jeton qui existe déjà. */ erreur TokenAlreadyExists(); /** * La fonctionnalité n'est pas compatible avec les menthes ponctuelles. */ erreur NotCompatibleWithSpotMints(); // ================================================= ============= // STRUCTURES // ================================= ============================= struct TokenOwnership { // L'adresse du propriétaire. adresse adresse ; // Stocke l'heure de début de propriété avec une surcharge minimale pour les tokenomics. uint64 startTimestamp ; // Si le jeton a été brûlé. bool brûlé; // Données arbitraires similaires à `startTimestamp` qui peuvent être définies via {_extraData}. uint24 extraData ; } // ================================================ ============== // COMPTEURS DE JETONS // =============================== =============================== /** * @dev Renvoie le nombre total de jetons existants. * Les jetons brûlés réduiront le nombre. * Pour obtenir le nombre total de jetons émis, veuillez consulter {_totalMinted}. */ la fonction totalSupply() renvoie la vue externe (uint256) ; // ================================================= ============= // IERC165 // ================================ ============================= /** * @dev Renvoie true si ce contrat implémente l'interface définie par * `interfaceId`. Consultez la * [Section EIP](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) * correspondante pour en savoir plus sur la façon dont ces identifiants sont créés. * * Cet appel de fonction doit utiliser moins de 30 000 gaz. */ la fonction prend en chargeInterface(bytes4 interfaceId) la vue externe renvoie (bool); // ================================================= ============= // IERC721 // ================================ ============================= /** * @dev Émis lorsque le jeton `tokenId` est transféré de `from` à `to `. */ event Transfer (adresse indexée depuis, adresse indexée vers, uint256 indexé tokenId) ; /** * @dev Émis lorsque `owner` permet à `approved` de gérer le jeton `tokenId`. */ Approbation de l'événement (adresse indexée du propriétaire, adresse indexée approuvée, uint256 indexé tokenId) ; /** * @dev Émis lorsque `owner` active ou désactive * (`approved`) `operator` pour gérer tous ses actifs. */ event ApprovalForAll (adresse indexée du propriétaire, adresse de l'opérateur indexé, bool approuvé) ; /** * @dev Renvoie le nombre de jetons dans le compte du « propriétaire ». */ la fonction balanceOf (propriétaire de l'adresse) renvoie la vue externe (solde uint256) ; /** * @dev Renvoie le propriétaire du jeton `tokenId`. * * Exigences : * * - `tokenId` doit exister. */ la fonction OwnerOf(uint256 tokenId) renvoie la vue externe (propriétaire de l'adresse) ; /** * @dev Transfère en toute sécurité le jeton `tokenId` de `from` à `to`, * en vérifiant d'abord que les destinataires du contrat connaissent le protocole ERC721 * pour empêcher les jetons d'être verrouillés pour toujours. * * Exigences : * * - `from` ne peut pas être l'adresse zéro. * - `to` ne peut pas être l'adresse zéro. * - Le jeton `tokenId` doit exister et appartenir à `from`. * - Si l'appelant n'est pas "from", il doit avoir été autorisé à déplacer * ce jeton soit par {approve}, soit par {setApprovalForAll}. * - Si `to` fait référence à un contrat intelligent, il doit implémenter * {IERC721Receiver-onERC721Received}, qui est appelé lors d'un transfert sécurisé. * * Émet un événement {Transfer}. */ function safeTransferFrom (adresse de, adresse à, uint256 tokenId, octets de données d'appel) externe payable ; /** * @dev Équivalent à `safeTransferFrom(from, to, tokenId, '')`. */ function safeTransferFrom( adresse de, adresse à, uint256 tokenId ) externe payable ; /** * @dev Transfère `tokenId` de `from` à `to`. * * AVERTISsem*nT : l'utilisation de cette méthode est déconseillée, utilisez {safeTransferFrom} * chaque fois que possible. * * Exigences : * * - `from` ne peut pas être l'adresse zéro. * - `to` ne peut pas être l'adresse zéro. * - Le jeton `tokenId` doit appartenir à `from`. * - Si l'appelant n'est pas « de », il doit être approuvé pour déplacer ce jeton * soit par {approve}, soit par {setApprovalForAll}. * * Émet un événement {Transfer}. */ function transferFrom( adresse de, adresse à, uint256 tokenId ) externe payable ; /** * @dev Donne la permission à `to` de transférer le jeton `tokenId` vers un autre compte. * L'approbation est effacée lorsque le jeton est transféré. * * Un seul compte peut être approuvé à la fois, donc l'approbation de l'adresse * zéro efface les approbations précédentes. * * Exigences : * * - L'appelant doit posséder le token ou être un opérateur agréé. * - `tokenId` doit exister. * * Émet un événement {Approval}. */ fonction approuver (adresse à, uint256 tokenId) externe payable ; /** * @dev Approuver ou supprimer `operator` en tant qu'opérateur pour l'appelant. * Les opérateurs peuvent appeler {transferFrom} ou {safeTransferFrom} * pour tout jeton appartenant à l'appelant. * * Exigences : * * - L'opérateur ne peut pas être l'appelant. * * Émet un événement {ApprovalForAll}. */ function setApprovalForAll(opérateur d'adresse, bool _approved) externe ; /** * @dev Renvoie le compte approuvé pour le jeton `tokenId`. * * Exigences : * * - `tokenId` doit exister. */ la fonction getApproved(uint256 tokenId) renvoie la vue externe (opérateur d'adresse) ; /** * @dev Renvoie si « l'opérateur » est autorisé à gérer tous les actifs du « propriétaire ». * * Voir {setApprovalForAll}. */ la fonction isApprovedForAll (propriétaire de l'adresse, opérateur d'adresse) renvoie la vue externe (bool) ; // ================================================= ============= // IERC721Métadonnées // ================================= ============================= /** * @dev Renvoie le nom de la collection de jetons. */ nom de la fonction(), la vue externe renvoie (mémoire de chaînes) ; /** * @dev Renvoie le symbole de la collection de jetons. */ la fonction symbol() renvoie la vue externe (mémoire de chaînes) ; /** * @dev Renvoie l'URI (Uniform Resource Identifier) ​​pour le jeton `tokenId`. */ function tokenURI(uint256 tokenId) retour de la vue externe (mémoire de chaîne) ; // ================================================= ============= // IERC2309 // ================================ ============================= /** * @dev Émis lorsque les jetons de `fromTokenId` à `toTokenId` * (inclus) est transféré de « from » à « to », comme défini dans la norme * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309). * * Voir {_mintERC2309} pour plus de détails. */ event ConsecutiveTransfer(uint256 indexé fromTokenId, uint256 toTokenId, adresse indexée depuis, adresse indexée vers) ;}

Paramètres

?: {"*": {"*": ["evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "métadata", "abi"]}}, "bibliothèques": {}}

Audit de sécurité du contrat

• Aucun audit de sécurité du contrat soumis-Soumettre l'audit ici

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","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":"","type":"uint256"}],"name":"tokenGenerationParams","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"result","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":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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Arguments du constructeur(ABI-codé et est les derniers octets du code de création de contrat ci-dessus)

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
----- Vue décodée ---------------
Arg [0]: _name (String): Fabrik
Arre [1]: _Symbl (String): Fabrik
Arg [2]: _merkleroot (bytes32): 0x6f48cb0d570a6a44a754c00022dee58f184a55c27479ed349c17d0eb28129f66
Arg [3]: _Admin (adresse):0 Demandez 478.
Arg [4]: _GeneratingScript (String):
Arg [5]: _basuri (String): https://fabrik-metadata.thetemporal.net/
Arg [6]: _minttimeout (Uint256): 5458609
Arg [7]: _maxSupply (Uint256): 1024
----- Vue encodée ---------------
16 Arguments du constructeur trouvé:
Arg [0]: 000000000000000000000000000000000000000000000000000000000000000100
Arg [1]: 0000000000000000000000000000000000000000000000000000000000000140
Arg [2]: 6f48CB0D570A6A44A754C00022DEE58F184A55C27479ED349C17D0EB28129F66
Arg [3]: 0000000000000000000000000000AEF67478A5595FC220D43338B8674DC50C6DE54F
Arg [4]: 000000000000000000000000000000000000000000000000000000000000000180
Arg [5]: 0000000000000000000000000000000000000000000000000000000000000001A0
Arg [6]: 00000000000000000000000000000000000000000000000000000000000000534AB1
Arg [7]: 0000000000000000000000000000000000000000000000000000000000000400
Arg [8]: 000000000000000000000000000000000000000000000000000000000000000006
Arg [9]: 46616272696B00000000000000000000000000000000000000000000000000
Arg [10]: 000000000000000000000000000000000000000000000000000000000000000006
Arg [11]: 46414252494B00000000000000000000000000000000000000000000000000
Arg [12]: 0000000000000000000000000000000000000000000000000000000000000000
Arg [13]: 000000000000000000000000000000000000000000000000000000000000000028
Arj [14]: 68747470733
Arg [15]: 72616C2E6E65742F0000000000000000000000000000000000000000000000