e. t. Solmate. Streamlined template for getting started with Foundry and Solmate. The last one was on 2022-12-12. 我最近在重新学solidity，巩固一下细节，也写一个“WTF Solidity极简入门”，供小白们使用（编程大佬可以另找教程），每周更新1-3讲。 . May 25, 2022. ; Cast: Swiss army knife for interacting with EVM smart contracts, sending transactions and getting chain data. sol. Writing Tests. Like most Ethereum development tools, Forge supports “forking” against a remote network’s state by specifying a node URL (and optionally a block number if you have an archive node, for pinning your tests against a block). Pick the chain to deploy to More on all the blockchains to deploy to: What Technology To Deploy An NFT | NFT Phd. bx_user bx. A simple ERC721 drop implementation, using Forge and Solmate. Alternatively use super(), but I prefer being explicit. sol. The Solidity Summit is a free interactive forum for people involved and interested in the Solidity language and the ecosystem around it. Following are the key characteristics of a Solidity Library. sol","contentType":"file. Any variable created at the contract level is called the state variable (variables that aren’t inside a function) and it is stored permanently on the blockchain i. 0. OpenZeppelin: other supporting libraries are Roles, MerkleProof. gitmodules file in git and makes a commit with the message "Installed solmate". Solady - Gas optimized Solidity Libraries. Get started for free. Solidity is a curly-bracket language designed to target the Ethereum Virtual Machine (EVM). sol","path":"src/tokens/ERC1155. 5 Solidity solmate VS ERC721A HWdapp. proxies alchemy daos foundry erc20 solidity-contracts chainlink erc721 stablecoins openzeppelin-contracts nfts solmate sepolia reentrancy-solidity Updated Aug 10, 2023; Solidity; darkcodi / nft-faucet Star 11. Biconomy SDK is a plug & play toolkit for dApps to build transaction legos that enable a highly. Visual Studio Code : a source-code editor made by Microsoft with the Electron Framework, for Windows, Linux and macOS. The authority contract determines if a user is authorized to call specific functions. Inside the function, the, if statement checks if x, is greater than y. Posts with mentions or reviews of solmate. Web3 30 Nominee. Sign upDetect 23 Smart Contract Preview across the most prevailing web3 ecosystems with Alchemy's Dapp Shop. 3 - 2023-03-20. - The Best ETH Casino Claim Now! 5000+ Slots & Live Casino Games, 50+cryptos. You can think of library to be similar to static functions in a static class in other object oriented programming languages. 556144786553343359, number of holders 404 and updated information of the token. 2. This can be useful for storing data that does not have a fixed size or structure, such as raw data or arbitrary messages. The file data. 7. Solidity. Explore 101 of the best Solidity Tools across the most popular web3 ecosystems including Ethereum, Solana, and more! Solidity Tools include Debugging Tools, Static Analysis Tools, Symbolic Execution Tools, Ethereum Signature Tools, Smart Contract Templates, Smart Contract Tools, EVM Tools, Solidity Developer Tools. Besides the ERC20 contract itself, we'll also import things from the forge-std, ds-test and utils. Share. Solidity is an object-oriented, statically typed, high-level scripting language for implementing smart contracts, which are programs that govern the behaviour of accounts within the Ethereum state. Browse Contracts. Its syntax is very similar to that of. zora-drops-contracts Public Zora drops contracts (powers create. 4. solidity. noun. Popular Comparisons Wilson. Register with Etherscan and get 760% deposit bonus. This should expose you to a broader set of new-ish libraries that have gone into the mainstream. RT @r_ross_campbell: fresh solidity devz, highly recommend checking these out for inspiration: - lilweb3 - solmate. Solidity have certain restrictions on use of a Library. sol. Forge is an Ethereum development framework. Solidity itself is a pretty simple language, as far as programming languages go. Solidity is a curly-bracket language designed to target the Ethereum Virtual Machine (EVM). - awesome-ethereum-rollups/README. Where a Solidity contract store data: As Yilmaz correctly points out, in the first usage storage and memory can be thought of as similar to a hard drive (long-term, persistent storage) and RAM (temporary) respectively. Smart Contract Tools. sol","contentType":"file"},{"name":"ERC20. Hardhat - Development environment to compile, deploy, test, and debug your Ethereum software. github","contentType":"directory"},{"name":". 如您所见，我们使用 Solmate 的实施在一次成功的铸造中节省了大约 500 gas（mintTo 函数调用的最大 Gas 成本）。 就是这样，我希望这能为您提供如何开始使用 Foundry 的良好实践基础。 我们认为没有比在 solidity 中编写测试更好的方式来深入理解 solidity。Example usage and configuration of vscode solidity in a foundry environment to work with openzeppelin (git), solmate (git) and Forge Tests - GitHub - juanfranblanco. home-automation solmate Updated Dec 20, 2022; Python; Improve this page Add a description, image, and links to the solmate topic page. 12;, add the following lines of code: Solidity. Shows cached data from ~/. In fact, it is a purposefully slimmed down, loosely-typed language with a syntax very similar to ECMAScript (Javascript). Solidity can be confusing—but these are the tools that make it easy to use. The account is open to all Foreign Passports and SA ID holders. Cheers!solmate; 3. 12 and that means I need the 3. solmate. . I am trying to learn a little bit of yul and came across a scenario in the solmate library I don't quite understand. Solidify - solidify is a golang + solidity library aimed to make storing arbitrary data on EVM blockchains as easy and efficient as possible. Discover 21 Smart Contract Templates on Ethereum with Alchemy's Dapp Store. Solidity library for advanced fixed-point math that operates with signed 59. or you might be using a library like Solmate and you might put it in your lib folder. sol","contentType":"file. Play Now! Play all your favorite Slots & Live Games, including Plinko, Aviator and Crash! Truly anonymous casino. Plus, SOLmate comes with a Debit Card by MasterCard that you can m…Solidity latest unreleased version is 4. Solidity: Language TypeScript: GNU Affero General Public License v3. GUILTY (GUILTY) Token Tracker on Etherscan shows the price of the Token $0. looking at solady’s gas optimized solidity snippets Let’s dive deep into Solady’s SafeTransferLib which is modified from Solmate’s SafeTransferLib to handle missing return values , Gracefully!EIP-4626 tokenized Vaults MUST implement EIP-20 to represent shares. Intro . If the test function reverts, the test fails, otherwise it passes. 91k, 891 forks 2. The token page shows information such as price, total supply, holders, transfers and social links. (Solady, Solmate. All EIP-4626 tokenized Vaults MUST implement EIP-20’s optional metadata extensions. Browse Contracts. Solmate - These contracts have been audited but they were not developed with users in mind. These contracts self-execute. Developers now possess the power to create the next wave of decentralized applications that will power the future of Web 3. 0. This guide will teach you about The Vault Standard (ERC-4626), which simplifies the process of interacting with different DeFi protocols and creating yield-generating vaults. in. 9. Slither is a Solidity static analysis framework written in Python 3. Synthetix Solidity smart contracts (by Synthetixio) #synthetix #Ethereum #Defi #Blockchain #Derivatives. sol. Chains Ethereum Learn More Cookbook Solidity Tools A search engine for EVM smart. Chains. To create smart contracts on Ethereum and other blockchain platforms, these terms are fundamental building blocks. Gasless ERC20 token transfer with Meta transaction. Also explore related collections including Dapp Templates, NFT Smart Contract Templates, NFT App Page. #2 - CryptoZombies. Seamless. 0: License:. Solidity also supports exception handling in the form of try / catch -statements, but only for external function calls and contract creation. awesome-zero-knowledge-proofs Public A curated list of awesome things related to learning Zero-Knowledge Proofs (ZKP). Blockchain technology has the potential to bring disruption to a wide range of disciplines by providing new means of. The project has been configured using a specfic version of solidty and contracts directory (more on this to follow), you can simply change the solidity version by right clicking on a solidity file and change the. This is a static analysis tool for Solidity and it appears to be very powerfulWe demonstra. The last one was on 2022-12-12. For a detailed explanation of the import keyword see the Solidity documentation. Advanced. Auth This contract implements a basic authorization mechanism. The transferFrom function returns a boolean which will be abi. This ERC-4626 contract standard extends the ERC-20 token standard and can be implemented however needed. Also explore related collections including Dapp Templates, NFT Smart Contract Templates, NFT App Templates. Cookbook. . If any account other than the admin calls the proxy, the call will be forwarded to the implementation, even if * that call matches one of the admin functions exposed by the proxy itself. docker run -v /local/path:/sources ethereum/solc:stable -o /sources/output --abi --bin /sources/Contract. * 2. For example, SafeMath library has become obsolete since the release of Solidity 0. Some of the libraries are listed below : Modular network: This includes many modular libraries that are very useful for implementation like ArrayUtils, Token, CrowdSale, Vesting, StringUtils, LinkedList, Wallet, etc. Libraries in solidity are similar to contracts that contain reusable codes. Jtriley. This is unlike other Ethereum development frameworks to date. 30 Jun 2023 16:34:17Solidity – Basics of Contracts. When expanded it provides a list of search options that will switch the search inputs to match the current selection. You can think of library to be similar to static functions in a static class in other object oriented programming languages. Code Issues{"payload":{"allShortcutsEnabled":false,"fileTree":{"src/utils":{"items":[{"name":"Base64. They enable to develop in a more modular way. Under pragma solidity ^0. only pure and view functions can be called. The. What You ll Be DoingBuild leading blockchain infrastructure. A Library contains functions which other contracts can call. Functions to calculate the amount of. Smart Contract Templates. Providing Liquidity # Enough of theory, let’s start coding! Create a new folder (mine is called uniswapv3-code), and run forge init --vscode in it–this will initialize a Forge project. Find and fix vulnerabilitiesA token is a representation of an on-chain or off-chain asset. So we built a fixed-point class to compute with ints! We used @balancerlabs and @transmissions11's Solmate solidity examples for reference. Also explore related assemblages inclusion Dapp Templates, NFT Smart Contract Templates, NFT App Custom. Modern, opinionated, and gas optimized building blocks for smart contract development. RT @PaitonDylan: Floats in Python are noisy. Note: You should only use code published in an official release of OpenZeppelin Contracts, the latest release is 3. Berkshire Hathaway (BRK) Token Tracker on Etherscan shows the price of the Token $0. More than 100 million people use GitHub to discover, fork, and contribute to over 330 million projects. Once deployed on the blockchain (only once), it is assigned a specific address and its properties / methods can be reused many times by other contracts in the Ethereum network. You can find more details about which languages Solidity has been inspired by in the language influences section. com. Foundry is the new EVM development environment on the block. [12] [13] 藉由Solidity，開發人員能夠編寫出可自我執行其欲實現之商業邏輯的應用程式，該程式可被視為一份具權威性且永不可悔改的交易合約. Implicit conversions may provide unexpected outcomes or smart contract vulnerabilities, particularly when dealing with integer overflows or underflows. Hardhat - Development environment to compile, deploy, test, and debug your Ethereum software. 57,973 Repositories indexed · Code solutions Repositories indexed · Code solutionsThe assert function is used to check for internal errors in the contract code. sol"; import "openzeppelin-contracts/contracts/utils/Strings. poap-contracts - The Proof of Attendance Protocol Ethereum contracts Find 19 alternatives, competitors, and apps like Solmate from a list of Smart Contract Templates in the Alchemy Dapp Store. The token tracker page also shows the analytics and historical data. {"payload":{"allShortcutsEnabled":false,"fileTree":{"contracts/libraries":{"items":[{"name":"AddressStringUtil. {"payload":{"allShortcutsEnabled":false,"fileTree":{"src/utils":{"items":[{"name":"Bytes32AddressLib. sol","contentType":"file"}],"totalCount":1. So we built a fixed-point class to compute with ints! We used @balancerlabs and @transmissions11's Solmate solidity examples for reference. testerUse21 / solmate_solidity Public. json lives. To fix this we have to multiply the result with 10^18, which is exactly what the library does for us. Run a smart contract as a script, building transactions that can be sent onchain. They are also supported by various programs with the Solidity plugin installed, such as Visual Studio, Visual Studio Code, Vim, and Sublime Text. WTF Solidity极简入门: 51. Modern, opinionated, and gas optimized building blocks for smart contract development. For example. There multiple types (patterns) of smart contracts defined on Monax (earlier Eris industries) documentation. Filecoin. Importing files for manipulation When importing from the home tab widgets or with a remix command in the console, the files are placed in the root of the current Workspace inside a folder that shows their source - eg github or gists. sol","path":"src/utils/Bytes32AddressLib. 我最近在重新学solidity，巩固一下细节，也写一个“WTF Solidity极简入门”，供小白们使用（编程大佬可以另找教程），每周更新1-3讲。 . If the admin calls the proxy, it can access the admin functions, but its calls will never be forwarded to the * implementation. Direct deal-making with Client contract. For a detailed explanation of the import keyword see the Solidity documentation. github","path":". FAQs. Open source building blocks for Solidity smart contract development. Solidity always rounds the result down, so to do the opposite, the function in FixedPointMath adds the difference. eth. OpenZeppelin Contracts offers developers a stable API that serves as a gateway to constructing Solidity and Cairo smart contracts. See the announcement blog post: Introducing the Foundry Ethereum development toolbox. We create two scenarios: one with sufficient funds; one with insufficient funds; In the setup don't forget to call the previous setup. Reload to refresh your session. Solidity support for Visual Studio code. Libraries are similar to Contracts but are mainly intended for reuse. Here are the steps to do so: 1. So : If the call reverts : success = 0; If the call succeeds and returns false : success = 0; If the call succeeds and returns true : success = 1Solmate, in its turn, is a collection of gas-optimized contracts, and it’s not that limiting. aimed at gas-optimizing solidity snippets. As opposed to other EVM-based languages, It has enhanced functionalities. See synonyms for solidity on Thesaurus. // SPDX-License-Identifier: MIT pragma solidity ^0. Posts with mentions or reviews of solmate. Let’s. The code for setApprovalForAll is : function setApprovalForAll (address operator, bool approved) public virtual override { _setApprovalForAll (_msgSender (), operator, approved); } See here. SOL files are supported by Dapp, which is a Solidity package manager, build tool, and deployment assistant. Some key features of solidity are listed below: Solidity is a high-level programming language designed for implementing smart contracts. 8. Solidity is a contract-based, advanced programming language. Free memory point manipulation in solmate library. You can use it to create Solidity projects, manage dependencies, run tests, and more. JavaScript. json lives. Although used by hundreds of developers, no guarantees are given, and further audits and. You can also use the standard JSON interface (which is recommended when. An example ERC20 token:1/ A New Fastest Solidity Square Root? It's closely based on the solmate implementation, and should be ~50 gas cheaper on average. Utility; Audited; Source. js, ethers. The functions SHOULD reflect the underlying token’s. We will use the ERC721 contract from Solmate, Strings util from Open Zeppelin, Ownable from Open Zeppellin, and SafeTransferLib from Solmate. Play Now! Play all your favorite Slots & Live Games, including Plinko, Aviator and Crash! Truly anonymous casino. GAME. It contains two blocks of code and depending on the condition any one of the blocks is getting executed. Learn more about this page in our Knowledge Base. List of Smart Contract Templates. {"payload":{"allShortcutsEnabled":false,"fileTree":{"src":{"items":[{"name":"test","path":"src/test","contentType":"directory"},{"name":"FixedPointMathLib. Follow answered Jan 24, 2022 at 20:59. Solidity is a programming language designed to support the development of smart contracts on the Ethereum blockchain. Expand. Tested with proof. forge init --force. Solidity Contract Flattener - Flatten Solidity Contracts using truffle-flattener; Solidity + Hardhat - Adds general support for Solidity contracts development with features user expect to find in an IDE (code formatting, linting, prettifier, snippets, go to references, and so on). Solidity Benchmarks. The short answer is yes, ERC721A contracts are definitely NFTs. Networks. Ethereum. Next, remove the default contract and its test: script/Contract. Solidity 0 AGPL-3. Keywords in Solidity. sol"; import "openzeppelin-contracts/contracts/utils/Strings. Tested with proof. For the purposes of this Solidity handbook, we will use Solidity to interact with another contract. looking at solady’s gas optimized solidity snippets Let’s dive deep into Solady’s SafeTransferLib which is modified from Solmate’s SafeTransferLib to handle missing return values , Gracefully! The EIP-20 operations , etc. When importing via GitHub on Remix you can specify the release tag, (otherwise you will get the latest code in the master branch). The token tracker page also shows the analytics and historical data. sol","path":"src/utils/Base64. Learn Solidity: Introduction to Solidity Smart Contracts. adminjs-import-export Public TypeScript 0 MIT 20 0 0 Updated. sol","path":"contracts/token/ERC20/utils/SafeERC20. You get the dummy code and you can replace it with the original code of the project you want to build. It allows the owner to transfer ownership and update the authority contract. Solidity has various types of variables with different scopes, such as local, state, and global variables. You can refer to that chapter for a detailed explanation. sol","contentType":"file. 00, total supply 96,559,000,821,120. Is your project missing from the list? Submit your project to Alchemy's list of Smart Contract Templates and we'll review it!Yearn Finance offers a comprehensive collection of Solidity and Vyper smart contracts that serve as the foundation for the Yearn suite of Vaults. Web3/Solidity based wargame JavaScript 1. The Ethereum ERC-4626 is an extension of the ERC-20 contract and standardizes: Deposits and withdrawals. I analyzed 200 DeFi Projects. Ethereum Use account abstraction to unlock. Inspired by the Solmate project, Solady provides a library of Solidity snippets optimized for appropriate gas utilization. Solidity, being a programming language, also supports the use of comments. sol at main · transmissions11/solmate Automatic Solidity compiler version detection & installation (under ~/. They are dynamic arrays that store a set of characters that can consist of numbers, special characters, spaces, and alphabets. solmate solidity; Project: 7: Mentions 78: 2,514: Stars 18,656: 5. People. sol","path":"src/utils/Bytes32AddressLib. Level Up Coding. . Submit a project. sol","path. sol file pragma solidity >=0. Cookbook. Here Is What I Found Out. This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 875870 and the City of Graz. To associate your repository with the solmate topic, visit your repo's landing page and select "manage topics. On the Ethereum network, Solidity can also be used to construct decentralized applications (DApps). 1. Is your project missing from an view? Submit is project in Alchemy's list of Smart Contract Templates and we'll reviewed e!Variable scope is an essential concept in Solidity, the programming language for Ethereum smart contracts. Like most Ethereum development tools, Forge supports “forking” against a remote network’s state by specifying a node URL (and optionally a block number if you have an archive node, for pinning your tests against a block). We are going to create two versions of this function : one using only Solidity, one using only inline Assembly. Developers can contribute gas-optimized Solidity snippets such as ECDSA, LibString, Sort, LibBitmap, MerkleProof, and SafeTransferLib. Solidity is a brand-new programming language created by the Ethereum which is the second-largest market of cryptocurrency by capitalization, released in the year 2015 led by Christian Reitwiessner. Browse Contracts. Compilation of all the contracts (Press F1 Solidity : Compile all Solidity Contracts), or Ctrl + F5 or Cmd + F5. DataContract (Basic data structure): A data contract is not standard terminology. Change the bot's nickname to the sol price, tps and add red/green ticker roles. 6. For variables, Solidity supports various data types, including arrays, Booleans, address types, and integers. To associate your repository with the solmate topic, visit your repo's landing page and select "manage topics. 0. In this section, we will look into the OpenZeppelin implementation files for the ERC20 token standard. - solmate/Auth. md","contentType":"file"},{"name":"RACE-1. Following example code: Token. Visit Website. Modern, opinionated, and gas optimized building blocks for smart contract development. FxPortal for Polygon (Previously Matic) chain. Solidity v0. We will not solve all problems here, but at least we will show how delegated. The biggest difference is that Foundry lets your write tests in Solidity, versus Hardhat which uses JavaScript, so you don’t have to learn a JS library and pay all the associated context switching costs. sol. Posted 12:38:21 AM. {"payload":{"allShortcutsEnabled":false,"fileTree":{"src/tokens":{"items":[{"name":"ERC1155. ℹ️ Note If you encounter compiler errors when using via_ir, explicitly enable the legacy optimizer and leave optimizer_steps as an empty string. solidity - Solidity, the Smart Contract Programming Language truffle - :warning: The Truffle Suite is being sunset. Deposit BONUS 300% and Cashbacks! MegaDice. sol","path":"contracts/libraries/AddressStringUtil. Based on that data, you can find the most popular open-source packages, as well as similar and alternative projects. Their scope is. This is the process you have to follow for the set-up of foundry project. Deposit BONUS 300% and Cashbacks! MegaDice. 7 min read. When comparing different Smart Contract Templates similar to Solady there are a few factors to evaluate including:I seperated files used in contract with Solidity framework and I can't compile my code(see below). A book on all things Foundry. Cookbook. brands Public. svm) Incremental compilation & caching: Only changed files are re-compiled; Parallel compilation; Non-standard directory structures support (e. Solidity es un lenguaje de programación. Discover 23 Smart Subscription Forms across the most popular web3 natural with Alchemy's Dapp Store. SLOAD2 is a set of Solidity libraries for writing and reading contract storage paying a fraction of the cost, it uses contract code as storage, writing data takes the form of contract creations and reading data uses EXTCODECOPY. forge doc. Play Now! Play all your favorite Slots & Live Games, including Plinko, Aviator and Crash! Truly anonymous casino. sol","contentType":"file"},{"name":"CREATE3. com. 社区：Discord｜微信群｜官网 wtf. However, unlike the require function, the assert function should only be used to check for internal errors in the contract code that. g. Solidity. forge cache ls. This puts the Solidity version at a slight handicap. SLOAD2 is a set of Solidity libraries for writing and reading contract storage paying a fraction of the cost, it uses contract code as storage, writing data takes the form of contract creations and reading data uses EXTCODECOPY. 00, total supply 23,213, number of holders 23,213 and updated information of the token. Addresses. ; Anvil: Local Ethereum node, akin. Based on project statistics from the GitHub repository for the npm package @rari-capital/solmate, we found that it has been starred 3,420 times. Source Code. 18-decimal fixed-point numbers. forked from transmissions11/solmate. You will learn about the ERC-4626 standard, how yield-bearing vaults operate, and how to create a yield-bearing vault using the ERC-4626 Tokenized Vault. Solmate : a library that contains gas-optimized contracts such as ERC20, ERC721, and more. 00, total supply 10,000, number of holders 342 and updated. Hardhat - Development environment to compile, deploy, test, and debug your Ethereum software. So the user settings will be the following, assuming your solidity project is at root. ERC4626 Interface Explained. @0xAA_Science /WTF-Solidity - ★5. The Solidity compiler is an open-source compiler that translates Solidity code into bytecode that can be executed on the Ethereum Virtual Machine (EVM). You ll be building out Axel s core…See this and similar jobs on LinkedIn. The easiest way for web3 developers to find documented smart contracts, solidity libraries, and discover protocols. Deposit BONUS 300% and Cashbacks! MegaDice. Solidity. Import Solidity libraries like Solmate and Openzeppelin into your Foundry project. Discover 23 Smart Contract Template via the most popular web3 ecosystems with Alchemy's Dapp Shop. Patrick is the co-founder of Cyfrin, and they do smart contract security & auditing services. Refer to the Solidity compiler input description for the default values. All EIP-4626 tokenized Vaults MUST implement EIP-20’s. sol","contentType":"file. ERC4626 代币化金库标准 . 8: 6 days ago: Latest Commit: 6 days ago: Solidity: Language C++: GNU. Also exploration related collections including Dapp Templates, NFT Smart Contract Templates, NFT App Templates. t. You get the dummy code and you can replace it with the original code of the project you want to build. Contribute to big-soulja/solidity development by creating an account on GitHub. Hello World. Based on project statistics from the GitHub repository for the npm package solmate, we found that it has been starred 3,426 times. If we now check the lib folder: $ tree lib -L 1 lib ├── forge-std ├── solmate └── weird-erc20 3 directories, 0 files A library in Solidity is a different type of smart contract that contains reusable code. Do not miss the trending Solidity projects with our weekly report! About. Hardhat repos) Tests are written in Solidity (like in DappTools) Fast fuzz testing with shrinking of inputs & printing of counter. In Solidity, functions are defined using the function keyword. golf-course - A list of common Solidity optimization tips and myths. 8. The Contract Address 0x3fc91a3afd70395cd496c647d5a6cc9d4b2b7fad page allows users to view the source code, transactions, balances, and analytics for the contract. The --vscode flag tells Forge to configure the Solidity extension for Forge projects. Foundry: a fast Solidity development toolkit that enables developers to write their tests in Solidity. 4. Derived from the Solmate initiative, this project focuses on enhancing the efficiency of Solidity code by optimizing gas consumption. EIP-4626 tokenized Vaults MAY implement EIP-2612 to. See moreSolMATe - The Solidity Matrix Environment. For the base setUp function, we simply use the utils functions that came. " GitHub is where people build software. The same is true for ERC721Enumerable and ERC721Psi. Browse Contracts. 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