dedot

Delightful JavaScript/TypeScript client for Polkadot & Substrate

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Dedot is the next-generation JavaScript client for Polkadot and Substrate-based blockchains. Designed to elevate the dapp development experience, Dedot is built & optimized to be lightweight and tree-shakable, offering precise Types & APIs suggestions for individual Substrate-based blockchains and ink! Smart Contracts. Dedot also helps dapps efficiently connect to multiple chains simultaneously as we head toward a seamless multi-chain future.

Features

• ✅ Small bundle size, tree-shakable (no more bn.js or wasm-blob tight dependencies)
• ✅ Types & APIs suggestions for each individual Substrate-based blockchain network (@dedot/chaintypes)
• ✅ Familiar api style with @polkadot/api, easy & fast migration!
• ✅ Native TypeScript type system for scale-codec
• ✅ Compatible with @polkadot/extension-based wallets
• ✅ Support Metadata V14, V15 (latest)
• ✅ Built-in metadata optimization (caching, compact mode ⏳)
• ✅ Build on top of both the new & legacy ( deprecated soon) JSON-RPC APIs
• ✅ Support light clients (e.g: smoldot)
• ✅ Typed Contract APIs
• ✅ Fully-typed low-level JSON-RPC client

Documentation

Check out Dedot documentation on the website: https://dedot.dev

• Getting started
• Interact with ink! smart contracts
• CLI
• Build with Dedot

Resources & announcements

• Introducing Dedot
• Type-safe APIs to interact with ink! Smart Contracts

Acknowledment

Dedot take a lot of inspirations from project @polkadot/api. A big thank to all the maintainers/contributors of this awesome library.

Proudly supported by Web3 Foundation Grants Program.

License

Apache-2.0