Module cpi 

Utilities to invoke the light-system-program via cpi.

To create, update, or close compressed accounts, programs need to invoke the light system program via cross program invocation (cpi).

declare_id!("2tzfijPBGbrR5PboyFUFKzfEoLTwdDSHUjANCw929wyt");
pub const LIGHT_CPI_SIGNER: CpiSigner =
  derive_light_cpi_signer!("2tzfijPBGbrR5PboyFUFKzfEoLTwdDSHUjANCw929wyt");

let light_cpi_accounts = CpiAccounts::new(
    ctx.accounts.fee_payer.as_ref(),
    ctx.remaining_accounts,
    crate::LIGHT_CPI_SIGNER,
)?;

let (address, address_seed) = derive_address(
    &[b"compressed", name.as_bytes()],
    &address_tree_info.get_tree_pubkey(&light_cpi_accounts)?,
    &crate::ID,
);
let new_address_params = address_tree_info.into_new_address_params_packed(address_seed);

let mut my_compressed_account = LightAccount::<MyCompressedAccount>::new_init(
    &crate::ID,
    Some(address),
    output_tree_index,
);

my_compressed_account.name = name;

LightSystemProgramCpi::new_cpi(crate::LIGHT_CPI_SIGNER, proof)
    .with_light_account(my_compressed_account)?
    .with_new_addresses(&[new_address_params])
    .invoke(light_cpi_accounts)?;

Re-exports

pub use invoke::invoke_light_system_program;

pub use invoke::InvokeLightSystemProgram;

Modules

invoke

v1

V1 CPI for Light system program.

v2

V2 CPI for Light system program - optimized for compressed PDAs.

Structs

CpiAccountsConfig

CpiSigner

Configuration struct containing program ID, CPI signer, and bump for Light Protocol

Traits

CpiAccountsTrait

Trait for types that can provide account information for CPI calls

LightCpiInstruction

Trait for Light CPI instruction types

LightInstructionData