import { PublicKey } from "@solana/web3.js";
/**
 * Highest transaction version requested from the RPC. Solana transaction v1
 * (4096-byte txs) went live on mainnet 2026-09-15; reads that pass 0 throw
 * -32015 on any v1 tx that touches the program. Needs @solana/web3.js >= 1.99.
 */
export declare const MAX_SUPPORTED_TX_VERSION = 1;
/** Default relayer fee in basis points (50 = 0.5%). */
export declare const DEFAULT_FEE_BPS = 50;
/** Merkle tree depth - matches on-chain MerkleTreeAccount subtrees array size */
export declare const MERKLE_TREE_DEPTH = 22;
/** Root history size - matches on-chain MerkleTreeAccount root_history array size */
export declare const ROOT_HISTORY_SIZE = 256;
/** Native SOL mint address (Pubkey::default() = all zeros) */
export declare const NATIVE_SOL_MINT: PublicKey;
/** Convert SOL to lamports (e.g. `sol(1.5)` → `1_500_000_000n`). */
export declare function sol(n: number): bigint;
/** Configuration for initializing a privacy pool */
export type PoolInitConfig = {
    /** Fee in basis points (0-10000, where 10000 = 100%) */
    feeBps?: number;
    /** Token mint address (use NATIVE_SOL_MINT for SOL pools) */
    mintAddress: PublicKey;
    /** Minimum deposit amount in lamports/token units */
    minDepositAmount?: bigint;
    /** Maximum deposit amount in lamports/token units */
    maxDepositAmount?: bigint;
    /** Minimum withdrawal amount in lamports/token units */
    minWithdrawAmount?: bigint;
    /** Maximum withdrawal amount in lamports/token units */
    maxWithdrawAmount?: bigint;
};
/** On-chain PrivacyConfig account structure */
export type PrivacyConfigAccount = {
    bump: number;
    vaultBump: number;
    admin: PublicKey;
    feeBps: number;
    feeErrorMarginBps: number;
    minWithdrawalFee: bigint;
    /** Minimum fee kept by relayer on swaps (in destination token base units) */
    minSwapFee: bigint;
    /** Fee rate applied to swap output in basis points */
    swapFeeBps: number;
    totalTvl: bigint;
    mintAddress: PublicKey;
    minDepositAmount: bigint;
    maxDepositAmount: bigint;
    minWithdrawAmount: bigint;
    maxWithdrawAmount: bigint;
    numRelayers: number;
    relayers: PublicKey[];
    numTrees: number;
    nextTreeIndex: number;
};
/** On-chain GlobalConfig account structure */
export type GlobalConfigAccount = {
    bump: number;
    admin: PublicKey;
    relayerEnabled: boolean;
};
/**
 * Compute the relayer fee for a withdrawal.
 * Mirrors the formula in the relayer-server:
 *   fee = max(amount * feeBps / 10_000, minWithdrawalFee)
 *
 * @returns fee in base token units, and the amount that reaches the recipient
 */
export declare function computeWithdrawalFee(amount: bigint, feeBps: number, minWithdrawalFee: bigint): {
    fee: bigint;
    toRecipient: bigint;
};
/**
 * Compute the relayer fee for a cross-pool swap.
 * Mirrors the formula in the relayer-server:
 *   relayerFee = max(estimatedOutput * swapFeeBps / 10_000, minSwapFee)
 *   destAmount  = minAmountOut - relayerFee
 *
 * @param estimatedOutput  Jupiter quote output amount
 * @param swapFeeBps       From the destination pool's PrivacyConfigAccount
 * @param minSwapFee       From the destination pool's PrivacyConfigAccount
 * @param minAmountOut     User-agreed minimum swap output (after slippage)
 * @returns relayerFee and the amount committed into the destination UTXO
 */
export declare function computeSwapFee(estimatedOutput: bigint, swapFeeBps: number, minSwapFee: bigint, minAmountOut: bigint): {
    relayerFee: bigint;
    destAmount: bigint;
};