Rust SDK

The Rust SDK for building smart contracts.

NEAR's only official smart-contract SDK is near-sdk-rs, the NEAR SDK for Rust. It provides APIs for contract state, serialization, cross-contract calls, and the NEAR runtime.

[!TIP]

The best place to start learning is our QuickStart Guide.

[card] Rust SDK

Rust SDK reference documentation.

Smart contracts on NEAR

This is how a smart contract written in Rust using the NEAR SDK looks like:

#[near(contract_state)]
pub struct Contract {
    greeting: String,
}

impl Default for Contract {
    fn default() -> Self {
        Self { greeting: "Hello".to_string(), }
    }
}

#[near]
impl Contract {
    pub fn get_greeting(&self) -> String {
        self.greeting.clone()
    }

    pub fn set_greeting(&mut self, greeting: String) {
        self.greeting = greeting;
    }
}

Ready to start developing?

Start from our Smart Contract QuickStart Guide, and let it guide you through all our documentation on building smart contracts.

Want to see examples?

We have a section dedicated to tutorials and examples that will help you understand diverse use cases and how to implement them.

Reference docs

If you need to find a specific function signature, or understand the SDK structs and classes, visit the Rust SDK reference.