A Rust and WebAssembly library for interacting with Substrate-based blockchains in the Polkadot ecosystem.
Subxt is a Rust and WebAssembly library designed for interacting with Substrate-based blockchains, which power the Polkadot network. It enables developers to submit transactions, query blockchain state, and subscribe to real-time updates through a safe, type-safe interface. The library solves the problem of building reliable and efficient blockchain clients and applications that need to communicate with Substrate nodes.
Rust developers building applications, tools, or services that interact with Substrate-based blockchains in the Polkadot ecosystem, including those needing browser-based or multi-language support via FFI.
Developers choose Subxt for its comprehensive feature set, including both static and dynamic interfaces, light client support for trustless interactions, and the ability to run in browsers via WebAssembly. Its focus on type safety and flexibility makes it a robust choice for blockchain integration.
Interact with Substrate based nodes in Rust or WebAssembly
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Generates compile-time checked APIs from node metadata, ensuring safety in transactions and queries and reducing runtime errors.
Offers both static and dynamic interfaces, allowing developers to choose between safety and runtime flexibility based on their needs.
Includes built-in light client support for decentralized applications, enabling interactions without relying on a trusted central node.
Compiles to WebAssembly for browser use and supports FFI for multi-language integration, facilitating diverse application environments.
Specifically tailored for Substrate-based chains, making it incompatible with other blockchain platforms and limiting versatility.
Requires handling node metadata files for static typing, which adds complexity to setup and ongoing maintenance.
Assumes proficiency in Rust and Substrate concepts, posing challenges for developers new to blockchain development or Rust.