kamui

 #[cfg(feature = "light-compression")]#[derive(Accounts)]#[instruction(seed: [u8; 32], callback_data: Vec<u8>, num_words: u32, minimum_confirmations: u8, callback_gas_limit: u64, pool_id: u8)]pub struct CreateCompressedVrfRequest<'info> {    #[account(mut)]    pub signer: Signer<'info>,    #[account(        init,        payer = signer,        space = 8 + std::mem::size_of::<CompressedVrfRequest>() + 200, // Extra space for dynamic data        seeds = [b"COMPRESSED_VRF", seed.as_ref(), signer.key().as_ref()],        bump    )]    pub vrf_request: Account<'info, CompressedVrfRequest>,    pub system_program: Program<'info, System>,} #[cfg(feature = "light-compression")]#[derive(Accounts)]#[instruction(request_id: [u8; 32])]pub struct FulfillCompressedVrfRequest<'info> {    #[account(mut)]    pub authority: Signer<'info>,

1. Line 55 pub signer: Signer<'info>,: Requires this account to have signed the transaction.
2. Line 57 init,: Creates and pays for a new account. Space and payer must be specified.
3. Line 60 seeds = [b"COMPRESSED_VRF", seed.as_ref(), signer.key().as_ref()],: Declares the PDA seeds. Anchor re-derives the address and rejects the account if it doesn't match.
4. Line 61 bump: Uses the bump seed, the extra byte that pushes the derived address off the ed25519 curve.

                expired_count    }} // Context structs for instructions #[derive(Accounts)]pub struct CreateEnhancedSubscription<'info> {    #[account(mut)]    pub owner: Signer<'info>,        #[account(        init,        payer = owner,        space = 8 + EnhancedSubscription::INIT_SPACE,        seeds = [b"subscription", seed.key().as_ref()],        bump    )]    pub subscription: Account<'info, EnhancedSubscription>,        /// CHECK: This account is used only as a seed for the subscription PDA and is not read or written to    pub seed: AccountInfo<'info>,

1. Line 335 pub owner: Signer<'info>,: Requires this account to have signed the transaction.
2. Line 338 init,: Creates and pays for a new account. Space and payer must be specified.
3. Line 341 seeds = [b"subscription", seed.key().as_ref()],: Declares the PDA seeds. Anchor re-derives the address and rejects the account if it doesn't match.
4. Line 342 bump: Uses the bump seed, the extra byte that pushes the derived address off the ed25519 curve.

    }} #[derive(Accounts)]pub struct Initialize<'info> {    #[account(mut)]    pub owner: Signer<'info>,        #[account(        init,        payer = owner,        space = 8 + 32 + 1 + 8 + 8 + 8 + 32, // Added space for last_verification_hash        seeds = [b"game", owner.key().as_ref()],        bump    )]    pub game_state: Account<'info, GameState>,        pub system_program: Program<'info, System>,} #[derive(Accounts)]pub struct VerifyVrfProof<'info> {    pub signer: Signer<'info>,}

1. Line 211 pub owner: Signer<'info>,: Requires this account to have signed the transaction.
2. Line 214 init,: Creates and pays for a new account. Space and payer must be specified.
3. Line 217 seeds = [b"game", owner.key().as_ref()],: Declares the PDA seeds. Anchor re-derives the address and rejects the account if it doesn't match.
4. Line 218 bump: Uses the bump seed, the extra byte that pushes the derived address off the ed25519 curve.

            proof: proof.clone(),            proof_block: 0, // Will be set by the runtime        };         // Check if VRF result account already exists        let vrf_result_data_len = vrf_result_account.data_len();        if vrf_result_data_len == 0 {            // Create new VRF result account            let space = borsh::to_vec(&vrf_result)?.len() + 8;  // Add 8 bytes for discriminator            let rent = Rent::get()?;            let lamports = rent.minimum_balance(space);             // Verify VRF result PDA            let (expected_vrf_result, bump) = Pubkey::find_program_address(                &[b"vrf_result", requester.as_ref()],                program_id            );            if expected_vrf_result != *vrf_result_account.key {                return Err(ProgramError::InvalidSeeds);            }             invoke_signed(                &system_instruction::create_account(                    oracle.key,

1. Line 362 let (expected_vrf_result, bump) = Pubkey::find_program_address(: Derives a PDA from seeds and the program ID and returns the address with its canonical bump.
2. Line 362 let (expected_vrf_result, bump) = Pubkey::find_program_address(: Uses the bump seed, the extra byte that pushes the derived address off the ed25519 curve.
3. Line 370 invoke_signed(: Makes a CPI signed by a PDA. The signer seeds prove the program controls that address.