spl-governance 4.0.0

Solana Program Library Governance Program
Documentation 
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//! Program state processor

use {
    crate::state::{
        governance::assert_is_valid_governance,
        native_treasury::{get_native_treasury_address_seeds, NativeTreasury},
    },
    solana_program::{
        account_info::{next_account_info, AccountInfo},
        entrypoint::ProgramResult,
        pubkey::Pubkey,
        rent::Rent,
        system_program,
        sysvar::Sysvar,
    },
    spl_governance_tools::account::create_and_serialize_account_with_owner_signed,
};

/// Processes CreateNativeTreasury instruction
pub fn process_create_native_treasury(
    program_id: &Pubkey,
    accounts: &[AccountInfo],
) -> ProgramResult {
    let account_info_iter = &mut accounts.iter();

    let governance_info = next_account_info(account_info_iter)?; // 0
    let native_treasury_info = next_account_info(account_info_iter)?; // 1
    let payer_info = next_account_info(account_info_iter)?; // 2
    let system_info = next_account_info(account_info_iter)?; // 3

    let rent = Rent::get()?;

    assert_is_valid_governance(program_id, governance_info)?;

    let native_treasury_data = NativeTreasury {};

    create_and_serialize_account_with_owner_signed(
        payer_info,
        native_treasury_info,
        &native_treasury_data,
        &get_native_treasury_address_seeds(governance_info.key),
        program_id,
        &system_program::id(), // System program as the PDA owner
        system_info,
        &rent,
        0,
    )?;

    Ok(())
}