import { Connection, PublicKey, TransactionInstruction, Transaction, type TransactionSignature } from "@solana/web3.js";
import { type Network } from "./constants.js";
/**
 * Build a Pacifica deposit instruction.
 *
 * @param userPubkey - User's wallet public key
 * @param amount - Amount in USDC (e.g., 100 for $100)
 * @param network - mainnet or testnet
 */
export declare function buildDepositInstruction(userPubkey: PublicKey, amount: number, network?: Network): Promise<TransactionInstruction>;
/**
 * Build and send a deposit transaction.
 */
export declare function deposit(connection: Connection, userPubkey: PublicKey, amount: number, signTransaction: (tx: Transaction) => Promise<Transaction>, network?: Network): Promise<TransactionSignature>;