token-burn-program

Anchor program that demonstrates common SPL Token flows: creating a mint, associated token accounts, minting, burning, and transferring.

Prerequisites

• Rust (see rust-toolchain.toml for the pinned toolchain)
• Solana CLI
• Anchor (0.30.x, matching Anchor.toml / Cargo.toml)
• Node.js 18+ and Yarn

Quick start

yarn install
anchor build
anchor test

Generated TypeScript types for clients live under target/types/ after anchor build.

Commit a yarn.lock (or package-lock.json) once you run yarn install locally so CI installs the same dependency tree.

Continuous integration

GitHub Actions (.github/workflows/ci.yml) runs cargo fmt --check, anchor build, and anchor test on pushes and pull requests to main / master.

Program instructions

Instruction	Role
create_token	Initializes a new SPL mint (decimals + mint authority).
create_token_account	Creates an ATA for a given owner and mint.
mint_tokens	Mints tokens into a destination token account (mint authority signs).
burn_tokens	Burns tokens from a token account you own (reduces mint supply).
transfer_tokens	Transfers between two token accounts of the same mint.

burn_tokens

This instruction does not reimplement SPL burn logic in your program. It performs a cross-program invocation (CPI) into the SPL Token program’s Burn instruction: your program passes the mint, the token account to debit (token_account), and the signer (authority), and SPL Token updates balances and total supply.

Accounts:

Account	Description
mint	Mint for the tokens being burned (must match the token account’s mint).
token_account	SPL token account whose balance decreases.
authority	Must be the owner of token_account (same pattern as wallet-initiated burns).
token_program	SPL Token program (Tokenkeg...).

Rust handler: burn_tokens in programs/astana-token/src/lib.rs builds anchor_spl::token::Burn CPI accounts and calls token::burn.

Security

• Never commit wallet keypairs or mainnet program deploy keys. Use CI secrets only where appropriate.
• Review account constraints before deploying to devnet/mainnet; this repo is intended as a learning reference.

License

MIT — see package.json.