import { ethers } from 'ethers';
import { Circuit, Prover, CircuitConfig } from '@unirep/circuits';
import { Unirep } from '../typechain';
/**
 * Try a function several times.
 * @param fn The function will be executed.
 * @param maxRetry The maximum number of trying functions.
 */
export declare const retryAsNeeded: (fn: any, maxRetry?: number) => Promise<any>;
/**
 * @param deployer A signer or an ethereum wallet
 * @param circuitName Name of the circuit, which can be chosen from `Circuit`
 * @param prover The prover which provides `vkey` of the circuit
 * @returns The deployed verifier smart contract
 */
export declare const deployVerifier: (deployer: ethers.Signer, circuitName: Circuit | string, prover?: Prover) => Promise<ethers.Contract>;
/**
 * @param deployer A signer or an ethereum wallet
 * @param prover The prover which provides `vkey` of the circuit
 * @returns All deployed verifier smart contracts
 */
export declare const deployVerifiers: (deployer: ethers.Signer, prover?: Prover) => Promise<{
    [circuit: string]: string;
}>;
/**
 * @param deployer A signer or an ethereum wallet
 * @param prover The prover which provides `vkey` of the circuit
 * @returns All deployed verifier helper contracts
 */
export declare const deployVerifierHelpers: (unirepAddress: string, deployer: ethers.Signer, prover?: Prover) => Promise<{
    [circuit: string]: ethers.Contract;
}>;
/**
 * @param deployer A signer or an ethereum wallet
 * @param circuitName Name of the circuit, which can be chosen from `Circuit`
 * @param prover The prover which provides `vkey` of the circuit
 * @returns The deployed verifier helper contracts
 */
export declare const deployVerifierHelper: (unirepAddress: string, deployer: ethers.Signer, circuitName: Circuit, prover?: Prover) => Promise<ethers.Contract>;
/**
 * Deploy the unirep contract and verifier contracts with given `deployer` and settings
 * @param deployer A signer who will deploy the contracts
 * @param settings The settings that the deployer can define. See [`CircuitConfig`](https://developer.unirep.io/docs/circuits-api/circuit-config)
 * @param prover The prover which provides `vkey` of the circuit
 * @returns The Unirep smart contract
 * @example
 * ```ts
 * import { ethers } from 'ethers'
 * import { Unirep } from '@unirep/contracts'
 * import { deployUnirep } from '@unirep/contracts/deploy'
 * const privateKey = 'YOUR/PRIVATE/KEY'
 * const provider = 'YOUR/ETH/PROVIDER'
 * const deployer = new ethers.Wallet(privateKey, provider);
 * const unirepContract: Unirep = await deployUnirep(deployer)
 * ```
 *
 * :::caution
 * The default circuit configuration is set in [`CircuitConfig.ts`](https://github.com/Unirep/Unirep/blob/1a3c9c944925ec125a7d7d8bfa9990466389477b/packages/circuits/src/CircuitConfig.ts).<br/>
 * Please make sure the `CircuitConfig` matches your [`prover`](circuits-api/interfaces/src.Prover.md).
 * If you don't compile circuits on your own, please don't change the `_settings` and `prover`.<br/>
 * See the current prover and settings of deployed contracts: [🤝 Testnet Deployment](https://developer.unirep.io/docs/testnet-deployment).
 * :::
 */
export declare const deployUnirep: (deployer: ethers.Signer, settings?: CircuitConfig, prover?: Prover) => Promise<Unirep>;