Burn permanently destroys tokens by reducing the balance in a token account.
Burned tokens are removed from circulation and decreases the supply tracked on the mint account.
Only the token account owner (or approved delegate) can burn tokens.

Rust Client
Program

Compare to SPL:

Prerequisites

Dependencies

Cargo.toml

[dependencies]
light-token = "0.4.0"
light-client = { version = "0.19.0", features = ["v2"] }
solana-sdk = "2"
borsh = "0.10.4"
tokio = { version = "1", features = ["full"] }

Developer Environment

In-Memory (LightProgramTest)
Localnet (LightClient)
Devnet (LightClient)

Test with Lite-SVM (…)

# Initialize project
cargo init my-light-project
cd my-light-project

# Run tests
cargo test

use light_program_test::{LightProgramTest, ProgramTestConfig};
use solana_sdk::signer::Signer;

#[tokio::test]
async fn test_example() {
    // In-memory test environment 
    let mut rpc = LightProgramTest::new(ProgramTestConfig::default())
        .await
        .unwrap();

    let payer = rpc.get_payer().insecure_clone();
    println!("Payer: {}", payer.pubkey());
}

Connects to a local test validator.

npm
yarn
pnpm

npm install -g @lightprotocol/zk-compression-cli@beta

yarn global add @lightprotocol/zk-compression-cli@beta

pnpm add -g @lightprotocol/zk-compression-cli@beta

# Initialize project
cargo init my-light-project
cd my-light-project

# Start local test validator (in separate terminal)
light test-validator

use light_client::rpc::{LightClient, LightClientConfig, Rpc};

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    // Connects to http://localhost:8899
    let rpc = LightClient::new(LightClientConfig::local()).await?;

    let slot = rpc.get_slot().await?;
    println!("Current slot: {}", slot);

    Ok(())
}

Replace <your-api-key> with your actual API key. Get your API key here.

use light_client::rpc::{LightClient, LightClientConfig, Rpc};

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let rpc_url = "https://devnet.helius-rpc.com?api-key=<your_api_key>";
    let rpc = LightClient::new(
        LightClientConfig::new(rpc_url.to_string(), None, None)
    ).await?;

    println!("Connected to Devnet");
    Ok(())
}

Burn Light Tokens

View the source code and full example with shared test utilities.

Instruction

use borsh::BorshDeserialize;
use light_client::rpc::Rpc;
use light_token::instruction::Burn;
use rust_client::{setup, SetupContext};
use solana_sdk::signer::Signer;

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    // Setup creates mint and associated token account with tokens
    let SetupContext {
        mut rpc,
        payer,
        mint,
        associated_token_account,
        ..
    } = setup().await;

    let burn_amount = 400_000u64;

    let burn_instruction = Burn {
        source: associated_token_account,
        mint,
        amount: burn_amount,
        authority: payer.pubkey(),
        max_top_up: None,
        fee_payer: None,
    }
    .instruction()?;

    let sig = rpc
        .create_and_send_transaction(&[burn_instruction], &payer.pubkey(), &[&payer])
        .await?;

    let data = rpc.get_account(associated_token_account).await?.ok_or("Account not found")?;
    let token = light_token_interface::state::Token::deserialize(&mut &data.data[..])?;
    println!("Balance: {} Tx: {sig}", token.amount);

    Ok(())
}

Find a full code example at the end.

Build Account Infos and CPI the Light Token Program

Use invoke for external signers or invoke_signed when the authority is a PDA.

invoke (External signer)
invoke_signed (PDA owner)

use light_token::instruction::BurnCpi;

BurnCpi {
    source: source.clone(),
    mint: mint.clone(),
    amount,
    authority: authority.clone(),
    system_program: system_program.clone(),
    fee_payer: None,
    max_top_up: None,
}
.invoke()

use light_token::instruction::BurnCpi;

BurnCpi {
    source: source.clone(),
    mint: mint.clone(),
    amount,
    authority: authority.clone(),
    system_program: system_program.clone(),
    fee_payer: None,
    max_top_up: None,
}
.invoke_signed(&[signer_seeds])

Full Code Example

View the source code and full example with shared test utilities.

#![allow(unexpected_cfgs, deprecated)]

use anchor_lang::prelude::*;
use light_token::instruction::BurnCpi;

declare_id!("2TXVn8AqjfyeJvmFBD3kHJmh6fWkC4HNB5T76BmLKV5c");

#[program]
pub mod light_token_anchor_burn {
    use super::*;

    pub fn burn(ctx: Context<BurnAccounts>, amount: u64) -> Result<()> {
        BurnCpi {
            source: ctx.accounts.source.to_account_info(),
            mint: ctx.accounts.mint.to_account_info(),
            amount,
            authority: ctx.accounts.authority.to_account_info(),
            system_program: ctx.accounts.system_program.to_account_info(),
            max_top_up: None,
            fee_payer: None,
        }
        .invoke()?;
        Ok(())
    }
}

#[derive(Accounts)]
pub struct BurnAccounts<'info> {
    /// CHECK: Light token program for CPI
    pub light_token_program: AccountInfo<'info>,
    /// CHECK: Validated by light-token CPI
    #[account(mut)]
    pub source: AccountInfo<'info>,
    /// CHECK: Validated by light-token CPI
    #[account(mut)]
    pub mint: AccountInfo<'info>,
    pub authority: Signer<'info>,
    pub system_program: Program<'info, System>,
}

Get Started

DeFi

Toolkits

Cookbook

Learn

SDK Reference

Burn Light Tokens

Prerequisites

Burn Light Tokens

Build Account Infos and CPI the Light Token Program

Full Code Example

Next Steps

Learn to freeze and thaw Light Token accounts

Get Started

DeFi

Toolkits

Cookbook

Learn

SDK Reference

​Prerequisites

​Burn Light Tokens

​Build Account Infos and CPI the Light Token Program

​Full Code Example

​Next Steps

Learn to freeze and thaw Light Token accounts

Prerequisites

Burn Light Tokens

Build Account Infos and CPI the Light Token Program

Full Code Example

Next Steps