--- category: Tooling description: Developer SDKs and tools including PAPI, Polkadot.js, subxt, light clients, and testing frameworks. page_count: 50 token_estimate: 8406 updated: '2026-06-25T12:38:13.291384+00:00' --- ## Block Explorers https://docs.polkadot.com/smart-contracts/explorers.md Access block explorers like Subscan and BlockScout to track transactions, analyze contracts, and view on-chain data from smart contracts. ### Sections - Introduction `#introduction` - Core Functionality `#core-functionality` - Available Block Explorers `#available-block-explorers` - BlockScout `#blockscout` - Subscan `#subscan` --- ## Calculate Transaction Fees https://docs.polkadot.com/chain-interactions/send-transactions/calculate-transaction-fees.md Learn how to calculate transaction fees on Polkadot using Polkadot-API, Polkadot.js API, and the Polkadot.js Apps UI to estimate transfer costs. ### Sections - Introduction `#introduction` - Prerequisites `#prerequisites` - Polkadot-API (PAPI) `#polkadot-api-papi` - Polkadot.js API `#polkadotjs-api` - Polkadot.js Apps Interface `#polkadotjs-apps-interface` - Estimate Fees via Transfer Interface `#estimate-fees-via-transfer-interface` - Where to Go Next `#where-to-go-next` --- ## Chopsticks https://docs.polkadot.com/reference/tools/chopsticks.md Chopsticks is a versatile tool for forking live Polkadot SDK chains, enabling local testing, block replay, and XCM simulation without deploying to live networks. ### Sections - Introduction `#introduction` - Key Features `#key-features` - Prerequisites `#prerequisites` - Installation `#installation` - Global Installation `#global-installation` - Local Installation `#local-installation` - Get Started `#get-started` - Configuration Options `#configuration-options` - Configuration File `#configuration-file` - Create a Fork `#create-a-fork` - Interact with a Fork `#interact-with-a-fork` - Replay Blocks `#replay-blocks` - Test XCM `#test-xcm` - WebSocket Commands `#websocket-commands` - Where to Go Next `#where-to-go-next` --- ## Convert Assets on Asset Hub https://docs.polkadot.com/chain-interactions/token-operations/convert-assets.md A guide detailing the step-by-step process of converting assets on Asset Hub, helping users efficiently navigate asset management on the platform. ### Sections - Introduction `#introduction` - Prerequisites `#prerequisites` - Create a Liquidity Pool `#create-a-liquidity-pool` - Add Liquidity to a Pool `#add-liquidity-to-a-pool` - Swap Assets `#swap-assets` - Swap from an Exact Amount of Tokens `#swap-from-an-exact-amount-of-tokens` - Swap to an Exact Amount of Tokens `#swap-to-an-exact-amount-of-tokens` - Withdraw Liquidity from a Pool `#withdraw-liquidity-from-a-pool` - Test Environment Setup `#test-environment-setup` --- ## Dedot https://docs.polkadot.com/reference/tools/dedot.md Dedot is a next-gen JavaScript client for Polkadot and Polkadot SDK-based blockchains, offering lightweight, tree-shakable APIs with strong TypeScript support. ### Sections - Introduction `#introduction` - Key Features `#key-features` - Installation `#installation` - Get Started `#get-started` - Initialize a Client Instance `#initialize-a-client-instance` - Enable Type and API Suggestions `#enable-type-and-api-suggestions` - Read On-Chain Data `#read-on-chain-data` - Sign and Send Transactions `#sign-and-send-transactions` - Where to Go Next `#where-to-go-next` --- ## Deploy Contracts to Polkadot Hub with Ethers.js https://docs.polkadot.com/smart-contracts/libraries/ethers-js.md Learn how to interact with Polkadot Hub using Ethers.js, from compiling and deploying Solidity contracts to interacting with deployed smart contracts. ### Sections - Introduction `#introduction` - Prerequisites `#prerequisites` - Project Structure `#project-structure` - Set Up the Project `#set-up-the-project` - Install Dependencies `#install-dependencies` - Set Up the Ethers.js Provider `#set-up-the-ethersjs-provider` - Compile Contracts `#compile-contracts` - Sample Storage Smart Contract `#sample-storage-smart-contract` - Compile the Smart Contract `#compile-the-smart-contract` - Deploy the Compiled Contract `#deploy-the-compiled-contract` - Interact with the Contract `#interact-with-the-contract` - Where to Go Next `#where-to-go-next` --- ## Deploy Contracts to Polkadot Hub with Web3.js https://docs.polkadot.com/smart-contracts/libraries/web3-js.md Learn how to interact with Polkadot Hub using Web3.js, from compiling and deploying Solidity contracts to interacting with deployed smart contracts. ### Sections - Introduction `#introduction` - Prerequisites `#prerequisites` - Project Structure `#project-structure` - Set Up the Project `#set-up-the-project` - Install Dependencies `#install-dependencies` - Set Up the Web3 Provider `#set-up-the-web3-provider` - Compile Contracts `#compile-contracts` - Sample Storage Smart Contract `#sample-storage-smart-contract` - Compile the Smart Contract `#compile-the-smart-contract` - Deploy the Compiled Contract `#deploy-the-compiled-contract` - Interact with the Contract `#interact-with-the-contract` - Where to Go Next `#where-to-go-next` --- ## Deploying Uniswap V2 Core on Polkadot https://docs.polkadot.com/smart-contracts/cookbook/eth-dapps/uniswap-v2/core-v2-pvm.md Learn how to deploy and test Uniswap V2 Core on Polkadot Hub using Hardhat, bringing AMM-based token swaps to the Polkadot ecosystem. ### Sections - Introduction `#introduction` - Prerequisites `#prerequisites` - Set Up the Project `#set-up-the-project` - Understanding Uniswap V2 Architecture `#understanding-uniswap-v2-architecture` - Test the Contracts `#test-the-contracts` - Deploy the Contracts `#deploy-the-contracts` - Conclusion `#conclusion` --- ## E2E Testing with Moonwall https://docs.polkadot.com/reference/tools/moonwall.md Enhance blockchain end-to-end testing with Moonwall's standardized environment setup, comprehensive configuration management, and simple network interactions. ### Sections - Introduction `#introduction` - Prerequisites `#prerequisites` - Install Moonwall `#install-moonwall` - Global Installation `#global-installation` - Local Installation `#local-installation` - Initialize Moonwall `#initialize-moonwall` - Writing Tests `#writing-tests` - Running the Tests `#running-the-tests` - Where to Go Next `#where-to-go-next` --- ## Fork a Parachain Using Chopsticks https://docs.polkadot.com/parachains/testing/fork-a-parachain.md Simplify Polkadot SDK development with Chopsticks. Learn essential features, how to install Chopsticks, and how to configure local blockchain forks. ### Sections - Introduction `#introduction` - Prerequisites `#prerequisites` - Install Chopsticks `#install-chopsticks` - Global Installation `#global-installation` - Local Installation `#local-installation` - Configure Chopsticks `#configure-chopsticks` - Configuration File `#configuration-file` - CLI Flags `#cli-flags` - WebSocket Commands `#websocket-commands` - Where to Go Next `#where-to-go-next` --- ## Indexers https://docs.polkadot.com/parachains/integrations/indexers.md Discover blockchain indexers. Enhance data access, enable fast and complex queries, and optimize blockchain data for seamless app performance. ### Sections - The Challenge of Blockchain Data Access `#the-challenge-of-blockchain-data-access` - What is a Blockchain Indexer? `#what-is-a-blockchain-indexer` - Indexer Implementations `#indexer-implementations` --- ## Install Polkadot SDK https://docs.polkadot.com/parachains/install-polkadot-sdk.md Install all required Polkadot SDK dependencies, set up the SDK itself, and verify that it runs correctly on your machine. ### Sections - Install Dependencies: macOS `#install-dependencies-macos` - Before You Begin {: #before-you-begin-mac-os } `#before-you-begin-before-you-begin-mac-os` - Install Command Line Tools `#install-command-line-tools` - Install Homebrew `#install-homebrew` - Support for Apple Silicon `#support-for-apple-silicon` - Install Required Packages and Rust {: #install-required-packages-and-rust-mac-os } `#install-required-packages-and-rust-install-required-packages-and-rust-mac-os` - Install Dependencies: Linux `#install-dependencies-linux` - Before You Begin {: #before-you-begin-linux } `#before-you-begin-before-you-begin-linux` - Install Required Packages and Rust {: #install-required-packages-and-rust-linux } `#install-required-packages-and-rust-install-required-packages-and-rust-linux` - Install Dependencies: Windows (WSL) `#install-dependencies-windows-wsl` - Before You Begin {: #before-you-begin-windows-wls } `#before-you-begin-before-you-begin-windows-wls` - Set Up Windows Subsystem for Linux `#set-up-windows-subsystem-for-linux` - Install Required Packages and Rust {: #install-required-packages-and-rust-windows-wls } `#install-required-packages-and-rust-install-required-packages-and-rust-windows-wls` - Build the Polkadot SDK `#build-the-polkadot-sdk` - Clone the Polkadot SDK `#clone-the-polkadot-sdk` - Compile the Polkadot SDK `#compile-the-polkadot-sdk` - Verify the Build `#verify-the-build` - Optional: Run the Kitchensink Node `#optional-run-the-kitchensink-node` - Run the Kitchensink Node in Development Mode `#run-the-kitchensink-node-in-development-mode` - Interact with the Kitchensink Node `#interact-with-the-kitchensink-node` - Where to Go Next `#where-to-go-next` --- ## Light Clients https://docs.polkadot.com/reference/tools/light-clients.md Light clients enable secure and efficient blockchain interaction without running a full node. Learn everything you need to know about light clients on Polkadot. ### Sections - Introduction `#introduction` - Light Clients Workflow `#light-clients-workflow` - JSON-RPC and Light Client Comparison `#json-rpc-and-light-client-comparison` - Using Light Clients `#using-light-clients` - PAPI Light Client Support `#papi-light-client-support` - Substrate Connect - Browser Extension `#substrate-connect-browser-extension` - Resources `#resources` --- ## Oracles https://docs.polkadot.com/parachains/integrations/oracles.md Learn about blockchain oracles, the essential bridges connecting blockchains with real-world data for decentralized applications in the Polkadot ecosystem. ### Sections - What is a Blockchain Oracle? `#what-is-a-blockchain-oracle` - Oracle Implementations `#oracle-implementations` --- ## ParaSpell XCM SDK https://docs.polkadot.com/reference/tools/paraspell.md A powerful open-source library that simplifies XCM integration, enabling developers to easily build interoperable dApps on Polkadot. ### Sections - Introduction `#introduction` - ParaSpell XCM SDK `#paraspell-xcm-sdk` - Install ParaSpell `#install-paraspell` - Where to Go Next `#where-to-go-next` --- ## Pay Transaction Fees with Different Tokens https://docs.polkadot.com/chain-interactions/send-transactions/pay-fees-with-different-tokens.md Learn how to send a DOT transfer transaction while paying the fees using a different token on Polkadot Hub using multiple SDKs. ### Sections - Introduction `#introduction` - Prerequisites `#prerequisites` - Local Polkadot Hub Setup `#local-polkadot-hub-setup` - Set Up Your Project `#set-up-your-project` - Implementation `#implementation` - Import Dependencies and Define Constants `#import-dependencies-and-define-constants` - Create a Signer and Connect `#create-a-signer-and-connect` - Create the Transaction `#create-the-transaction` - Sign and Submit with Alternative Fee Payment `#sign-and-submit-with-alternative-fee-payment` - Full Code `#full-code` - Run the Script `#run-the-script` - Expected Output `#expected-output` - Conclusion `#conclusion` - Where to Go Next `#where-to-go-next` --- ## Polkadart https://docs.polkadot.com/reference/tools/polkadart.md Polkadart is a type-safe, native Dart, SDK for Polkadot and any compatible Polkadot-SDK blockchain network. ### Sections - Installation `#installation` - Get Started `#get-started` - Type Generation `#type-generation` - Run Generator `#run-generator` - Use Generated Types `#use-generated-types` - Creating an API Instance `#creating-an-api-instance` - Reading Chain Data `#reading-chain-data` - Subscribe to New Blocks `#subscribe-to-new-blocks` - Send a Transaction `#send-a-transaction` - Where to Go Next `#where-to-go-next` --- ## Polkadot Omni Node https://docs.polkadot.com/reference/tools/omninode.md Run parachain nodes easily with the polkadot-omni-node, a white-labeled binary that can run parachain nodes using a single pre-built solution. ### Sections - Introduction `#introduction` - Install Polkadot Omni Node `#install-polkadot-omni-node` - Obtain Chain Specifications `#obtain-chain-specifications` - Run a Parachain Full Node `#run-a-parachain-full-node` - Interact with the Node `#interact-with-the-node` - Parachain Compatibility `#parachain-compatibility` - Required Runtime APIs `#required-runtime-apis` - Required Pallets `#required-pallets` --- ## Polkadot Utilities https://docs.polkadot.com/tools.md Interactive encoding, hashing, and address utility tools for Polkadot development. Convert strings, balances, and numbers to hex, hash inputs with Blake2 and XXHash, and derive or re-encode Polkadot addresses. ### Sections - Encoding & Decoding `#encoding-decoding` - Hashing `#hashing` - Address Utilities `#address-utilities` - Asset ID to ERC20 Address `#asset-id-to-erc20-address` --- ## Polkadot-API https://docs.polkadot.com/reference/tools/papi.md Polkadot-API (PAPI) is a modular, composable library set designed for efficient interaction with Polkadot chains, prioritizing a "light-client first" approach. ### Sections - Introduction `#introduction` - Get Started `#get-started` - API Instantiation `#api-instantiation` - Reading Chain Data `#reading-chain-data` - Sending Transactions `#sending-transactions` - Where to Go Next `#where-to-go-next` --- ## Polkadot.js API https://docs.polkadot.com/reference/tools/polkadot-js-api.md Interact with Polkadot SDK-based chains easily using the Polkadot.js API. Query chain data, submit transactions, and more via JavaScript or Typescript. ### Sections - Introduction `#introduction` - Dynamic API Generation `#dynamic-api-generation` - Available API Categories `#available-api-categories` - Installation `#installation` - Get Started `#get-started` - Creating an API Instance `#creating-an-api-instance` - Reading Chain Data `#reading-chain-data` - Sending Transactions `#sending-transactions` - Where to Go Next `#where-to-go-next` --- ## Python Substrate Interface https://docs.polkadot.com/reference/tools/py-substrate-interface.md Learn how to connect to Polkadot SDK-based nodes, query data, submit transactions, and manage blockchain interactions using the Python Substrate Interface. ### Sections - Introduction `#introduction` - Installation `#installation` - Get Started `#get-started` - Establishing Connection `#establishing-connection` - Reading Chain State `#reading-chain-state` - Submitting Transactions `#submitting-transactions` - Where to Go Next `#where-to-go-next` --- ## Query Account Information with SDKs https://docs.polkadot.com/chain-interactions/accounts/query-accounts.md Learn how to query account information using five popular SDKs—Polkadot API (PAPI), Polkadot.js API, Dedot, Python Substrate Interface, and Subxt. ### Sections - Introduction `#introduction` - Prerequisites `#prerequisites` - Query Account Information `#query-account-information` - Understanding Account Data `#understanding-account-data` - Where to Go Next `#where-to-go-next` --- ## Query On-Chain State with SDKs https://docs.polkadot.com/chain-interactions/query-data/query-sdks.md Learn how to query on-chain storage data on Polkadot Hub using PAPI, Polkadot.js, Dedot, Python Substrate Interface, and Subxt. ### Sections - Introduction `#introduction` - Query On-Chain Data `#query-on-chain-data` - Where to Go Next `#where-to-go-next` --- ## Query On-Chain State with Sidecar REST API https://docs.polkadot.com/chain-interactions/query-data/query-rest.md Learn how to query on-chain state on Polkadot using the Sidecar REST API with curl, including account balances, asset data, and block information. ### Sections - Introduction `#introduction` - Prerequisites `#prerequisites` - Running Sidecar Locally `#running-sidecar-locally` - Public Sidecar Endpoints `#public-sidecar-endpoints` - Query Account Balance `#query-account-balance` - Query Asset Balances `#query-asset-balances` - Query Asset Metadata `#query-asset-metadata` - Query Asset Details `#query-asset-details` - Query Foreign Asset Balances `#query-foreign-asset-balances` - Query Block Information `#query-block-information` - API Reference `#api-reference` - Where to Go Next `#where-to-go-next` --- ## Quickstart Parachain Development with Pop CLI https://docs.polkadot.com/reference/tools/pop-cli.md Quickly bootstrap parachain projects, scaffold templates, deploy local networks, and streamline development workflows using Pop CLI. ### Sections - Introduction `#introduction` - Install Pop CLI `#install-pop-cli` - Set Up Your Development Environment `#set-up-your-development-environment` - Initialize a Project `#initialize-a-project` - Where to Go Next `#where-to-go-next` --- ## Replay and Dry Run XCMs https://docs.polkadot.com/chain-interactions/send-transactions/interoperability/debug-and-preview-xcms.md Replay and dry-run XCMs using Chopsticks with full logging enabled. Diagnose issues, trace message flow, and debug complex cross-chain interactions. ### Sections - Introduction `#introduction` - Prerequisites `#prerequisites` - Set Up Your Project `#set-up-your-project` - Capture the XCM to Replay `#capture-the-xcm-to-replay` - Fork the Relevant Chains `#fork-the-relevant-chains` - Set the Block Numbers `#set-the-block-numbers` - Enable Logging and Wasm Override `#enable-logging-and-wasm-override` - Identify and Extract the XCM `#identify-and-extract-the-xcm` - Replay the XCM `#replay-the-xcm` - Add the Polkadot Hub Descriptor `#add-the-polkadot-hub-descriptor` - Create a Replay Script `#create-a-replay-script` - Execute the Replay Script `#execute-the-replay-script` - Expected Output `#expected-output` - Dry Run the XCM `#dry-run-the-xcm` - Create a Dry Run Script `#create-a-dry-run-script` - Execute the Dry Run Script `#execute-the-dry-run-script` - Review and Debug `#review-and-debug` - Where to Go Next `#where-to-go-next` --- ## Run a Parachain Network https://docs.polkadot.com/parachains/testing/run-a-parachain-network.md Learn how to deploy a local parachain test network using Zombienet, including building a custom collator and verifying block production. ### Sections - Introduction `#introduction` - Prerequisites `#prerequisites` - Set Up the Parachain Template `#set-up-the-parachain-template` - Download Relay Chain Binaries `#download-relay-chain-binaries` - Generate a Paseo Local Chain Spec `#generate-a-paseo-local-chain-spec` - Configure the Network `#configure-the-network` - Spawn the Network `#spawn-the-network` - Verify the Network `#verify-the-network` - Where to Go Next `#where-to-go-next` --- ## Runtime API Calls https://docs.polkadot.com/chain-interactions/query-data/runtime-api-calls.md Learn how to call Polkadot runtime APIs to access the Wasm runtime and retrieve computed results using PAPI, Polkadot.js, Dedot, Python, and Subxt. ### Sections - Introduction `#introduction` - Call Runtime APIs `#call-runtime-apis` - Available Runtime APIs `#available-runtime-apis` - Where to Go Next `#where-to-go-next` --- ## Send Transactions with SDKs https://docs.polkadot.com/chain-interactions/send-transactions/with-sdks.md Learn how to construct, sign, and submit transactions using PAPI, Polkadot.js, Dedot, Python Substrate Interface, and Subxt. ### Sections - Introduction `#introduction` - Prerequisites `#prerequisites` - Send Transactions `#send-transactions` - Where to Go Next `#where-to-go-next` --- ## Sidecar REST API https://docs.polkadot.com/reference/tools/sidecar.md Learn about Substrate API Sidecar, a REST service that provides endpoints for interacting with Polkadot SDK-based chains and simplifies blockchain interactions. ### Sections - Introduction `#introduction` - Prerequisites `#prerequisites` - Installation `#installation` - Usage `#usage` - Endpoints `#endpoints` - Where to Go Next `#where-to-go-next` --- ## Subxt Rust API https://docs.polkadot.com/reference/tools/subxt.md Subxt is a Rust library for type-safe interaction with Polkadot SDK blockchains, enabling transactions, state queries, runtime API access, and more. ### Sections - Introduction `#introduction` - Prerequisites `#prerequisites` - Installation `#installation` - Get Started `#get-started` - Download Chain Metadata `#download-chain-metadata` - Generate Type-Safe Interfaces `#generate-type-safe-interfaces` - Initialize the Subxt Client `#initialize-the-subxt-client` - Read Chain Data `#read-chain-data` - Submit Transactions `#submit-transactions` - Where to Go Next `#where-to-go-next` --- ## Uniswap V2 Core with EVM on Polkadot https://docs.polkadot.com/smart-contracts/cookbook/eth-dapps/uniswap-v2/core-v2.md Deploy and test unmodified Uniswap V2 Core contracts on Polkadot Hub using standard Hardhat and TypeScript with the EVM execution path. ### Sections - Introduction `#introduction` - Prerequisites `#prerequisites` - Set Up the Project `#set-up-the-project` - Configure Secure Key Management `#configure-secure-key-management` - Uniswap V2 Core Architecture `#uniswap-v2-core-architecture` - Test the Contracts `#test-the-contracts` - Deploy the Contracts `#deploy-the-contracts` - Where to Go Next `#where-to-go-next` --- ## Uniswap V2 on Polkadot https://docs.polkadot.com/smart-contracts/cookbook/eth-dapps/uniswap-v2.md Deploy and test the full Uniswap V2 stack on Polkadot Hub — from core AMM contracts to periphery router interfaces — using standard Ethereum tooling. ### Sections - Tutorials `#tutorials` --- ## Uniswap V2 Periphery with EVM on Polkadot https://docs.polkadot.com/smart-contracts/cookbook/eth-dapps/uniswap-v2/periphery-v2.md Deploy and test unmodified Uniswap V2 Periphery Router contracts on Polkadot Hub using standard Hardhat and TypeScript with the EVM execution path. ### Sections - Introduction `#introduction` - Prerequisites `#prerequisites` - Set Up the Project `#set-up-the-project` - Configure Secure Key Management `#configure-secure-key-management` - Uniswap V2 Periphery Architecture `#uniswap-v2-periphery-architecture` - Test the Contracts `#test-the-contracts` - Deploy the Contracts `#deploy-the-contracts` - Where to Go Next `#where-to-go-next` --- ## Uniswap V3 Core with EVM on Polkadot Hub https://docs.polkadot.com/smart-contracts/cookbook/eth-dapps/uniswap-v3/core-v3.md Deploy and test unmodified Uniswap V3 Core contracts on Polkadot Hub using standard Hardhat and TypeScript with the EVM execution path. ### Sections - Introduction `#introduction` - Prerequisites `#prerequisites` - Set Up the Project `#set-up-the-project` - Configure Secure Key Management `#configure-secure-key-management` - V3-Specific Configuration `#v3-specific-configuration` - Uniswap V3 Core Architecture `#uniswap-v3-core-architecture` - Concentrated Liquidity and Fee Tiers `#concentrated-liquidity-and-fee-tiers` - Tick System and Price Math `#tick-system-and-price-math` - Core Contracts `#core-contracts` - Math Libraries `#math-libraries` - Project Structure `#project-structure` - Test the Contracts `#test-the-contracts` - Deploy the Contracts `#deploy-the-contracts` - Where to Go Next `#where-to-go-next` --- ## Uniswap V3 on Polkadot https://docs.polkadot.com/smart-contracts/cookbook/eth-dapps/uniswap-v3.md Deploy and test Uniswap V3 Core contracts on Polkadot Hub with concentrated liquidity, multiple fee tiers, and TWAP oracles using standard Ethereum tooling. ### Sections - Tutorials `#tutorials` --- ## Uniswap V3 Periphery with EVM on Polkadot Hub https://docs.polkadot.com/smart-contracts/cookbook/eth-dapps/uniswap-v3/periphery-v3.md Deploy and test unmodified Uniswap V3 Periphery contracts, SwapRouter and NonfungiblePositionManager, on Polkadot Hub using standard Hardhat and TypeScript with the EVM execution path. ### Sections - Introduction `#introduction` - Prerequisites `#prerequisites` - Set Up the Project `#set-up-the-project` - Configure Secure Key Management `#configure-secure-key-management` - V3-Specific Configuration `#v3-specific-configuration` - Uniswap V3 Periphery Architecture `#uniswap-v3-periphery-architecture` - Concentrated Liquidity and LP Positions `#concentrated-liquidity-and-lp-positions` - SwapRouter `#swaprouter` - NonfungiblePositionManager `#nonfungiblepositionmanager` - Project Structure `#project-structure` - Test the Contracts `#test-the-contracts` - Deploy the Contracts `#deploy-the-contracts` - Where to Go Next `#where-to-go-next` --- ## Use Foundry with Polkadot Hub https://docs.polkadot.com/smart-contracts/dev-environments/foundry.md Learn how to create, compile, test, deploy, and verify smart contracts on Polkadot Hub using Foundry, a fast and portable Ethereum toolkit. ### Sections - Introduction `#introduction` - Prerequisites `#prerequisites` - Install Foundry `#install-foundry` - Initialize a Foundry Project `#initialize-a-foundry-project` - Compile Contracts `#compile-contracts` - Configure Foundry for Polkadot Hub `#configure-foundry-for-polkadot-hub` - Available Networks and RPC Endpoints `#available-networks-and-rpc-endpoints` - Deploy a Contract `#deploy-a-contract` - Set Up Environment Variables `#set-up-environment-variables` - Deploy Using Forge `#deploy-using-forge` - Deploy Using Scripts `#deploy-using-scripts` - Verify a Contract `#verify-a-contract` - Basic Verification `#basic-verification` - Verification with Constructor Arguments `#verification-with-constructor-arguments` - Interact with Contracts `#interact-with-contracts` - Using Cast `#using-cast` - Using Forge Scripts `#using-forge-scripts` - Run Tests `#run-tests` - Additional Resources `#additional-resources` - Where to Go Next `#where-to-go-next` --- ## Use Hardhat with Polkadot Hub https://docs.polkadot.com/smart-contracts/dev-environments/hardhat-polkadot.md Learn how to set up, configure, and use Hardhat Polkadot to create, compile, test, and deploy Solidity smart contracts on Polkadot Hub using the PVM runtime. ### Sections - Introduction `#introduction` - Prerequisites `#prerequisites` - Initialize a Hardhat Project `#initialize-a-hardhat-project` - Compile Your Contract `#compile-your-contract` - Test Your Contract Locally `#test-your-contract-locally` - Start a Local Node `#start-a-local-node` - Run Tests `#run-tests` - Deploy to Local Node `#deploy-to-local-node` - Deploy to Polkadot Hub TestNet `#deploy-to-polkadot-hub-testnet` - Common Issues `#common-issues` - Where to Go Next `#where-to-go-next` --- ## Use Hardhat with Polkadot Hub https://docs.polkadot.com/smart-contracts/dev-environments/hardhat.md Learn how to create, compile, test, and deploy smart contracts on Polkadot Hub using Hardhat, a powerful development environment for blockchain developers. ### Sections - Introduction `#introduction` - Prerequisites `#prerequisites` - Initialize a Hardhat Project `#initialize-a-hardhat-project` - Configure Hardhat for Polkadot Hub `#configure-hardhat-for-polkadot-hub` - Verify a Contract `#verify-a-contract` - Install the Verification Plugin `#install-the-verification-plugin` - Add Verification Config `#add-verification-config` - Basic Verification `#basic-verification` - Verification with Constructor Arguments `#verification-with-constructor-arguments` - Where to Go Next `#where-to-go-next` --- ## Use the Remix IDE on Polkadot Hub https://docs.polkadot.com/smart-contracts/dev-environments/remix.md Explore the smart contract development and deployment process on Polkadot Hub using Remix IDE, a visual IDE for blockchain developers. ### Sections - Introduction `#introduction` - Prerequisites `#prerequisites` - Access Remix IDE `#access-remix-ide` - Connect Remix to Polkadot `#connect-remix-to-polkadot` - Where to Go Next `#where-to-go-next` --- ## viem for Polkadot Hub Smart Contracts https://docs.polkadot.com/smart-contracts/libraries/viem.md This guide covers deploying and interacting with contracts on Polkadot Hub using viem, a TypeScript library for Ethereum-compatible chains. ### Sections - Introduction `#introduction` - Prerequisites `#prerequisites` - Project Structure `#project-structure` - Set Up the Project `#set-up-the-project` - Install Dependencies `#install-dependencies` - Initialize Project `#initialize-project` - Set Up the Chain Configuration `#set-up-the-chain-configuration` - Set Up the viem Client `#set-up-the-viem-client` - Set Up a Wallet `#set-up-a-wallet` - Sample Smart Contract `#sample-smart-contract` - Compile the Contract `#compile-the-contract` - Deploy the Contract `#deploy-the-contract` - Interact with the Contract `#interact-with-the-contract` - Where to Go Next `#where-to-go-next` --- ## Wagmi for Polkadot Hub Smart Contracts https://docs.polkadot.com/smart-contracts/libraries/wagmi.md Learn how to use Wagmi React Hooks to fetch and interact with smart contracts on Polkadot Hub for seamless dApp integration. ### Sections - Introduction `#introduction` - Set Up the Project `#set-up-the-project` - Install Dependencies `#install-dependencies` - Configure Wagmi for Polkadot Hub `#configure-wagmi-for-polkadot-hub` - Set Up the Wagmi Provider `#set-up-the-wagmi-provider` - Connect a Wallet `#connect-a-wallet` - Fetch Blockchain Data `#fetch-blockchain-data` - Interact with Deployed Contract `#interact-with-deployed-contract` - Integrate Components `#integrate-components` - Where to Go Next `#where-to-go-next` --- ## Wallets https://docs.polkadot.com/parachains/integrations/wallets.md Explore blockchain wallets. Securely manage digital assets with hot wallets for online access or cold wallets for offline, enhanced security. ### Sections - What is a Blockchain Wallet? `#what-is-a-blockchain-wallet` - Hot Wallets `#hot-wallets` - Cold Wallets `#cold-wallets` - Wallet Tools `#wallet-tools` --- ## Wallets for Polkadot Hub https://docs.polkadot.com/smart-contracts/integrations/wallets.md Comprehensive guide to connecting and managing wallets for Polkadot Hub, covering step-by-step instructions for interacting with the ecosystem. ### Sections - Introduction `#introduction` - Connect Your Wallet `#connect-your-wallet` - MetaMask `#metamask` - Talisman `#talisman` - Conclusion `#conclusion` --- ## Web3.py https://docs.polkadot.com/smart-contracts/libraries/web3-py.md Learn how to interact with Polkadot Hub using the Web3 python library, deploying Solidity contracts, and interacting with deployed smart contracts. ### Sections - Introduction `#introduction` - Set Up the Project `#set-up-the-project` - Set Up the Web3 Provider `#set-up-the-web3-provider` - Compile Contracts `#compile-contracts` - Sample Storage Smart Contract `#sample-storage-smart-contract` - Compile the Smart Contract `#compile-the-smart-contract` - Contract Deployment `#contract-deployment` - Interact with the Contract `#interact-with-the-contract` - Where to Go Next `#where-to-go-next` --- ## XCM Tools https://docs.polkadot.com/reference/tools/xcm-tools.md Explore essential XCM tools across Polkadot, crafted to enhance cross-chain functionality and integration within the ecosystem. ### Sections - Introduction `#introduction` - Popular XCM Tools `#popular-xcm-tools` - Moonsong Labs XCM Tools `#moonsong-labs-xcm-tools` - ParaSpell `#paraspell` - Astar XCM Tools `#astar-xcm-tools` - Chopsticks `#chopsticks` - Moonbeam XCM SDK `#moonbeam-xcm-sdk` --- ## Zero to Hero Smart Contract DApp https://docs.polkadot.com/smart-contracts/cookbook/dapps/zero-to-hero.md Learn how to build a decentralized application on Polkadot Hub using Viem and Next.js by creating a simple dApp that interacts with a smart contract. ### Sections - Prerequisites `#prerequisites` - Project Overview `#project-overview` - Create and Deploy the Storage Contract `#create-and-deploy-the-storage-contract` - Set Up Hardhat Project `#set-up-hardhat-project` - Create the Storage Contract `#create-the-storage-contract` - Configure Hardhat for Polkadot Hub `#configure-hardhat-for-polkadot-hub` - Compile the Contract `#compile-the-contract` - Deploy the Contract `#deploy-the-contract` - Export the Contract ABI `#export-the-contract-abi` - Set Up the DApp Project `#set-up-the-dapp-project` - Install Dependencies `#install-dependencies` - Connect to Polkadot Hub `#connect-to-polkadot-hub` - Set Up the Smart Contract Interface `#set-up-the-smart-contract-interface` - Create the Wallet Connection Component `#create-the-wallet-connection-component` - Create the Read Contract Component `#create-the-read-contract-component` - Create the Write Contract Component `#create-the-write-contract-component` - How It Works `#how-it-works` - Wallet Connection `#wallet-connection` - Data Reads `#data-reads` - Data Writes `#data-writes` - Conclusion `#conclusion` - Where to Go Next `#where-to-go-next` --- ## Zombienet https://docs.polkadot.com/reference/tools/zombienet.md Zombienet is a testing framework for Polkadot SDK-based blockchain networks, enabling developers to deploy and test ephemeral environments across various platforms. ### Sections - Introduction `#introduction` - Install Zombienet `#install-zombienet` - Providers `#providers` - Kubernetes `#kubernetes` - Podman `#podman` - Native `#native` - Configure Zombienet `#configure-zombienet` - Basic Configuration `#basic-configuration` - CLI Commands `#cli-commands` - Settings `#settings` - Relay Chain Configuration `#relay-chain-configuration` - Parachain Configuration `#parachain-configuration` - XCM Configuration `#xcm-configuration` - Spawn a Network `#spawn-a-network` - Write Tests `#write-tests` - Test File Structure `#test-file-structure` - Run Tests `#run-tests` - Common Assertions `#common-assertions` - Configuration Reference `#configuration-reference` - Where to Go Next `#where-to-go-next`