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https://github.com/coral-xyz/anchor
⚓ Solana Sealevel Framework
https://github.com/coral-xyz/anchor
blockchain coral rust smart-contracts solana
Last synced: 6 days ago
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⚓ Solana Sealevel Framework
- Host: GitHub
- URL: https://github.com/coral-xyz/anchor
- Owner: coral-xyz
- License: apache-2.0
- Created: 2021-01-01T00:03:10.000Z (about 4 years ago)
- Default Branch: master
- Last Pushed: 2025-01-05T23:27:22.000Z (6 days ago)
- Last Synced: 2025-01-06T00:28:28.727Z (6 days ago)
- Topics: blockchain, coral, rust, smart-contracts, solana
- Language: Rust
- Homepage: https://anchor-lang.com
- Size: 14.3 MB
- Stars: 3,855
- Watchers: 50
- Forks: 1,406
- Open Issues: 445
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
- Code of conduct: CODE_OF_CONDUCT.md
Awesome Lists containing this project
- awesome-solana - Anchor
- awesome - coral-xyz/anchor - ⚓ Solana Sealevel Framework (Rust)
- solana-awesome - Link
- awesome-blockchain-rust - Anchor
- awesome-solana - Anchor - xyz/anchor.svg?style=social) ⚓ Solana Sealevel Framework (Code / Frameworks)
- awesome-rust-list - Anchor - xyz/anchor?style=social"/> : ⚓ Solana Sealevel Framework. [anchor-lang.com](https://www.anchor-lang.com/) (Web3 and ZKP Framework)
- awesome-rust-list - Anchor - xyz/anchor?style=social"/> : ⚓ Solana Sealevel Framework. [anchor-lang.com](https://www.anchor-lang.com/) (Web3 and ZKP Framework)
README
Anchor
Solana Sealevel Framework
[Anchor](https://www.anchor-lang.com/) is a framework for Solana's [Sealevel](https://medium.com/solana-labs/sealevel-parallel-processing-thousands-of-smart-contracts-d814b378192) runtime providing several convenient developer tools for writing smart contracts.
- Rust eDSL for writing Solana programs
- [IDL](https://en.wikipedia.org/wiki/Interface_description_language) specification
- TypeScript package for generating clients from IDL
- CLI and workspace management for developing complete applications
If you're familiar with developing in Ethereum's [Solidity](https://docs.soliditylang.org/en/v0.7.4/), [Truffle](https://www.trufflesuite.com/), [web3.js](https://github.com/ethereum/web3.js), then the experience will be familiar. Although the DSL syntax and semantics are targeted at Solana, the high level flow of writing RPC request handlers, emitting an IDL, and generating clients from IDL is the same.
## Getting Started
For a quickstart guide and in depth tutorials, see the [anchor book](https://book.anchor-lang.com) and the older [documentation](https://anchor-lang.com) that is being phased out.
To jump straight to examples, go [here](https://github.com/coral-xyz/anchor/tree/master/examples). For the latest Rust and TypeScript API documentation, see [docs.rs](https://docs.rs/anchor-lang) and the [typedoc](https://coral-xyz.github.io/anchor/ts/index.html).
## Packages
| Package | Description | Version | Docs |
| :---------------------- | :------------------------------------------------------- | :------------------------------------------------------------------------------------------------------------------------------- | :-------------------------------------------------------------------------------------------------------------- |
| `anchor-lang` | Rust primitives for writing programs on Solana | [](https://crates.io/crates/anchor-lang) | [](https://docs.rs/anchor-lang) |
| `anchor-spl` | CPI clients for SPL programs on Solana | [](https://crates.io/crates/anchor-spl) | [](https://docs.rs/anchor-spl) |
| `anchor-client` | Rust client for Anchor programs | [](https://crates.io/crates/anchor-client) | [](https://docs.rs/anchor-client) |
| `@coral-xyz/anchor` | TypeScript client for Anchor programs | [](https://www.npmjs.com/package/@coral-xyz/anchor) | [](https://coral-xyz.github.io/anchor/ts/index.html) |
| `@coral-xyz/anchor-cli` | CLI to support building and managing an Anchor workspace | [](https://www.npmjs.com/package/@coral-xyz/anchor-cli) | [](https://coral-xyz.github.io/anchor/cli/commands.html) |
## Note
- **Anchor is in active development, so all APIs are subject to change.**
- **This code is unaudited. Use at your own risk.**
## Examples
Here's a counter program, where only the designated `authority`
can increment the count.
```rust
use anchor_lang::prelude::*;
declare_id!("Fg6PaFpoGXkYsidMpWTK6W2BeZ7FEfcYkg476zPFsLnS");
#[program]
mod counter {
use super::*;
pub fn initialize(ctx: Context, start: u64) -> Result<()> {
let counter = &mut ctx.accounts.counter;
counter.authority = *ctx.accounts.authority.key;
counter.count = start;
Ok(())
}
pub fn increment(ctx: Context) -> Result<()> {
let counter = &mut ctx.accounts.counter;
counter.count += 1;
Ok(())
}
}
#[derive(Accounts)]
pub struct Initialize<'info> {
#[account(init, payer = authority, space = 48)]
pub counter: Account<'info, Counter>,
pub authority: Signer<'info>,
pub system_program: Program<'info, System>,
}
#[derive(Accounts)]
pub struct Increment<'info> {
#[account(mut, has_one = authority)]
pub counter: Account<'info, Counter>,
pub authority: Signer<'info>,
}
#[account]
pub struct Counter {
pub authority: Pubkey,
pub count: u64,
}
```
For more, see the [examples](https://github.com/coral-xyz/anchor/tree/master/examples)
and [tests](https://github.com/coral-xyz/anchor/tree/master/tests) directories.
## License
Anchor is licensed under [Apache 2.0](./LICENSE).
Unless you explicitly state otherwise, any contribution intentionally submitted
for inclusion in Anchor by you, as defined in the Apache-2.0 license, shall be
licensed as above, without any additional terms or conditions.
## Contribution
Thank you for your interest in contributing to Anchor!
Please see the [CONTRIBUTING.md](./CONTRIBUTING.md) to learn how.
### Thanks ❤️
