/**
 * Compute budget and transaction size constants for the shield path.
 *
 * These numbers are empirical and load-bearing. They are constants rather than
 * inline literals so a future program change that invalidates them has one
 * place to be fixed and one place to be read.
 */
/**
 * Compute unit limit reserved for a shield.
 *
 * Measured usage for a deposit is ~377k CU; 700k leaves roughly 2× headroom
 * while staying low enough that Phantom's Lighthouse guard still fits its own
 * instructions alongside ours.
 *
 * Do NOT raise this to 1.4M (what the stale `client.ts` `deposit()` reserves).
 * An oversized CU reservation is one of the signals that makes Phantom render
 * the transaction with a malicious-dApp warning.
 *
 * Ported from veilo-dapp/features/transactions/handleDeposit.ts:673-681.
 */
export declare const SHIELD_COMPUTE_UNIT_LIMIT = 700000;
/** Typical measured usage. If real usage approaches the limit above, revisit both. */
export declare const SHIELD_COMPUTE_UNITS_MEASURED_TYPICAL = 377000;
/** Default priority fee. Set to 0 to omit the instruction entirely (saves ~40 bytes). */
export declare const SHIELD_COMPUTE_UNIT_PRICE_MICRO_LAMPORTS = 50000;
/** Solana's hard cap on a serialized transaction, signatures included. */
export declare const MAX_TRANSACTION_BYTES = 1232;
/** One ed25519 signature: 64 bytes plus the compact-array length prefix. */
export declare const SIGNATURE_BYTES = 65;
/**
 * `NullifierMarker::LEN` (privacy-program .../lib.rs:415). Two markers are
 * created per transact and paid for by the signer — see the note on sponsorship
 * in the module docs of `shield.ts`.
 */
export declare const NULLIFIER_MARKER_ACCOUNT_BYTES = 10;
/** Markers created per `transact` — one per circuit input. */
export declare const NULLIFIER_MARKERS_PER_TRANSACT = 2;
/** Default validity window for the on-chain `deadline` argument. */
export declare const DEFAULT_DEADLINE_SECONDS = 3600;
/**
 * Serialized size of the `transact` instruction data, for reference:
 *
 *   8   discriminator
 *  32   root
 *   2   input_tree_id
 *   2   output_tree_id
 *   8   public_amount
 *  32   ext_data_hash
 *  32   mint_address
 * 128   2 nullifiers + 2 commitments
 *   8   deadline
 * 112   ExtData (recipient, relayer, fee, refund, claimant)
 * 256   Groth16 proof (a:64, b:128, c:64)
 * 227   Option<NoteCiphers> (1 tag + 226)
 * ---
 * 847
 *
 * With 16 accounts this cannot fit in a legacy transaction (~1500 bytes), which
 * is why the shield path is v0-with-ALT and not optional.
 */
export declare const TRANSACT_INSTRUCTION_DATA_BYTES = 847;