Crate light_token 

Light Token SDK

The base library to use Light Token Accounts, and Light Mints.

Light Token Accounts

• are on Solana devnet.
• are Solana accounts.
• are functionally equivalent to SPL token accounts.
• can hold tokens of Light, SPL and Token 2022 mints.
• cost 17,288 lamports to create with 24 hours rent.
• are rentfree:
  • rent exemption is sponsored by the token program.
  • rent is 388 lamports per rent epoch (1.5 hours).
  • once the account’s lamports balance is insufficient, it is auto-compressed to a compressed token account.
  • the accounts state is cryptographically preserved on the Solana ledger.
  • compressed tokens can be loaded to a Light Token account.
  • configurable lamports per write (eg transfer) keep the Light Token account perpetually funded when used. So you don’t have to worry about funding rent.
  • users load a compressed account into a light account in-flight when using the account again.

Light Mints

• are on Solana devnet.
• are Compressed accounts.
• support TokenMetadata.
• have the same rent-config as light token accounts

For full program examples, see the Light Token Examples.

Operation	Docs guide	GitHub example
CreateAssociatedAccountCpi	create-ata	example
CreateTokenAccountCpi	create-token-account	example
CreateMintCpi	create-mint	example
MintToCpi	mint-to	example
MintToCheckedCpi	mint-to	example
BurnCpi	burn	example
TransferCheckedCpi	transfer-checked	example
TransferInterfaceCpi	transfer-interface	example
ApproveCpi	approve-revoke	example
RevokeCpi	approve-revoke	example
FreezeCpi	freeze-thaw	example
ThawCpi	freeze-thaw	example
CloseAccountCpi	close-token-account	example

Features

1. anchor - Derives AnchorSerialize, AnchorDeserialize instead of BorshSerialize, BorshDeserialize.
2. compressible - utility functions for compressible sdk macros.

Common Operations

Operation	Instruction Builder	CPI Builder
Create Associated Token Account	CreateAssociatedTokenAccount	CreateAssociatedAccountCpi
Create Token Account	CreateTokenAccount	CreateTokenAccountCpi
Transfer	Transfer	TransferCpi
Transfer Interface (auto-detect)	TransferInterface	TransferInterfaceCpi
Close Token account	CloseAccount	CloseAccountCpi
Create Mint	CreateMint	CreateMintCpi
MintTo	MintTo	MintToCpi

Disclaimer

This library is not audited and in a beta state. Use at your own risk and expect breaking changes.

Re-exports

pub use constants::config_pda;

pub use constants::cpi_authority;

pub use constants::id;

pub use constants::LIGHT_TOKEN_CPI_AUTHORITY;

Modules

compat

Solana-compatible token types using solana_pubkey::Pubkey.

constants

Constants for Light Token SDK.

error

Error types for light-token SDK.

instruction

High-level builders for Light Token operations.

spl_interface

SPL interface PDA derivation utilities.

utils

Utility functions and default account configurations.

Structs

AdditionalMetadata

CompressedProof

TokenMetadataInstructionData

ValidityProof

Enums

ExtensionInstructionData

Constants

LIGHT_TOKEN_PROGRAM_ID