import { Address, CompilableTransactionMessage, TransactionMessageWithBlockhashLifetime, Transaction, ClusterUrl, Blockhash, Account } from '@solana/kit';
import { StakeStateAccount, StakeStateV2 } from '@solana-program/stake';

/**
 * Copyright (c) 2025, Everstake.
 * Licensed under the BSD-3-Clause License. See LICENSE file for details.
 */
/**
 * `WalletSDKError` is a custom error class that extends the built-in `Error` class.
 * It provides additional properties for error handling within the Wallet SDK.
 *
 * @remarks
 * This class is needed to provide additional context for errors, such as a code
 * and the original error, if any.
 *
 * @public
 *
 * @param message - The error message.
 * @param code - A string representing the error code.
 * @param originalError - The original error that caused this error, if any.
 */
declare class WalletSDKError extends Error {
    code: string;
    originalError?: Error | undefined;
    constructor(message: string, code: string, originalError?: Error | undefined);
}
/**
 * `Blockchain` is an abstract class that provides a structure for blockchain-specific classes.
 * It includes methods for error handling and throwing errors.
 *
 * @remarks
 * This class should be extended by classes that implement blockchain-specific functionality.
 * The extending classes should provide their own `ERROR_MESSAGES` and `ORIGINAL_ERROR_MESSAGES`.
 *
 * @property ERROR_MESSAGES - An object that maps error codes to error messages.
 * @property ORIGINAL_ERROR_MESSAGES - An object that maps original error messages to user-friendly error messages.
 *
 *
 * **/
declare abstract class Blockchain {
    protected abstract ERROR_MESSAGES: {
        [key: string]: string;
    };
    protected abstract ORIGINAL_ERROR_MESSAGES: {
        [key: string]: string;
    };
    /**
     * Handles errors that occur within the Ethereum class.
     *
     * @param {keyof typeof ERROR_MESSAGES} code - The error code associated with the error.
     * @param {Error | WalletSDKError | unknown} originalError - The original error that was thrown.
     *
     * If the original error is an instance of WalletSDKError, it is thrown as is.
     * If the original error is an instance of the built-in Error class, a new WalletSDKError is thrown with the original error as the cause.
     * If the original error is not an instance of WalletSDKError or Error, a new WalletSDKError is thrown with a generic message and code.
     */
    handleError(code: keyof typeof this.ERROR_MESSAGES, originalError: Error | WalletSDKError | unknown): void;
    /**
     * Throws a WalletSDKError with a specified error code and message.
     *
     * @param {keyof typeof ERROR_MESSAGES} code - The error code associated with the error.
     * @param {...string[]} values - The values to be inserted into the error message.
     *
     * The method retrieves the error message template associated with the provided code from the ERROR_MESSAGES object.
     * It then replaces placeholders in the message template with provided values and throws a WalletSDKError with the final message and the provided code.
     */
    throwError(code: keyof typeof this.ERROR_MESSAGES, ...values: string[]): void;
    /**
     * Check if the URL is valid
     *
     * @param {string} url - URL
     * @returns a bool type result.
     *
     */
    isValidURL(url: string): boolean;
}

/**
 * Copyright (c) 2025, Everstake.
 * Licensed under the BSD-3-Clause License. See LICENSE file for details.
 */

declare const CHAIN = "solana";
declare const MIN_AMOUNT = 10000000;
declare const MAINNET_VALIDATOR_ADDRESS: Address<"9QU2QSxhb24FUX3Tu2FpczXjpK3VYrvRudywSZaM29mF">;
declare const DEVNET_VALIDATOR_ADDRESS: Address<"GkqYQysEGmuL6V2AJoNnWZUz2ZBGWhzQXsJiXm2CLKAN">;
declare const FILTER_DATA_SIZE = 200n;
declare const FILTER_OFFSET = 44n;
declare enum Network {
    Mainnet = "mainnet-beta",
    Devnet = "devnet"
}
declare const StakeState: {
    Inactive: string;
    Activating: string;
    Active: string;
    Deactivating: string;
    Deactivated: string;
};
declare const STAKE_ACCOUNT_V2_SIZE = 200;
declare const ADDRESS_DEFAULT: Address<"11111111111111111111111111111111">;
declare const STAKE_HISTORY_ACCOUNT: Address<"SysvarStakeHistory1111111111111111111111111">;
declare const STAKE_CONFIG_ACCOUNT: Address<"StakeConfig11111111111111111111111111111111">;
declare const MAX_CLAIM_ACCOUNTS = 16;
declare const MAX_DEACTIVATE_ACCOUNTS = 22;
declare const MAX_DEACTIVATE_ACCOUNTS_WITH_SPLIT = 16;

/**
 * Copyright (c) 2025, Everstake.
 * Licensed under the BSD-3-Clause License. See LICENSE file for details.
 */

interface ApiResponse<T> {
    result: T;
}
type CreateAccountResponse = {
    transaction: (CompilableTransactionMessage & TransactionMessageWithBlockhashLifetime) | (Transaction & TransactionMessageWithBlockhashLifetime);
    stakeAccount: Address;
};
type StakeResponse = {
    stakeTx: (CompilableTransactionMessage & TransactionMessageWithBlockhashLifetime) | (Transaction & TransactionMessageWithBlockhashLifetime);
    stakeAccount: Address;
};
type UnstakeResponse = {
    unstakeTx: CompilableTransactionMessage & TransactionMessageWithBlockhashLifetime;
    unstakeAmount: bigint;
};
type ClaimResponse = {
    claimTx: CompilableTransactionMessage & TransactionMessageWithBlockhashLifetime;
    totalClaimAmount: bigint;
};
type RpcConfig = {
    rpc?: ClusterUrl;
    userAgent?: string;
};
type Params = {
    сomputeUnitPrice?: bigint;
    computeUnitLimit?: number;
    epoch?: bigint;
    finalLatestBlockhash?: {
        /** a Hash as base-58 encoded string */
        blockhash: Blockhash;
        /** last block height at which the blockhash will be valid */
        lastValidBlockHeight: bigint;
    };
};
type Delegations = Array<Account<StakeStateAccount, Address>>;

/**
 * Copyright (c) 2025, Everstake.
 * Licensed under the BSD-3-Clause License. See LICENSE file for details.
 */

/**
 * The `Solana` class extends the `Blockchain` class and provides methods for interacting with the Solana blockchain.
 *
 * @property connection - The connection to the Solana blockchain.
 * @property ERROR_MESSAGES - The error messages for the Solana class.
 * @property ORIGINAL_ERROR_MESSAGES - The original error messages for the Solana class.

 * @throws Throws an error if there's an issue establishing the connection.
 */
declare class Solana extends Blockchain {
    private connection;
    private validator;
    protected ERROR_MESSAGES: {
        CONNECTION_ERROR: string;
        MIN_AMOUNT_ERROR: string;
        CREATE_ACCOUNT_ERROR: string;
        DELEGATE_ERROR: string;
        DEACTIVATE_ERROR: string;
        WITHDRAW_ERROR: string;
        GET_DELEGATIONS_ERROR: string;
        STAKE_ERROR: string;
        INVALID_RPC_ERROR: string;
        UNSUPPORTED_NETWORK_ERROR: string;
        CLAIM_ERROR: string;
        UNSTAKE_ERROR: string;
        NOTHING_TO_CLAIM_ERROR: string;
        NOT_ENOUGH_ACTIVE_STAKE_ERROR: string;
    };
    protected ORIGINAL_ERROR_MESSAGES: {};
    constructor(network?: Network, rpcConfig?: RpcConfig);
    /**
     * Creates a new stake account.
     *
     * @param address - The public key of the account as PublicKey.
     * @param lamports  - The amount to stake in lamports.
     * @param source  - stake source
     * @param lockup - stake account lockup
     *
     * @throws  Throws an error if the lamports is less than the minimum amount.
     * @throws  Throws an error if there's an issue creating the stake account.
     *
     * @returns Returns a promise that resolves with the versioned transaction of the stake account creation and the public key of the stake account.
     *
     */
    createAccount(sender: string, amountInLamports: bigint, source: string, params?: Params): Promise<ApiResponse<CreateAccountResponse>>;
    /**
     * Delegates a specified amount from a stake account to a validator.
     *
     * @param address - The public key of the account.
     * @param lamports - The amount in lamports to be delegated.
     * @param stakeAccount - The public key of the stake account.
     *
     * @throws Throws an error if the amount is less than the minimum amount, or if there's an issue during the delegation process.
     *
     * @returns Returns a promise that resolves with the delegation transaction.
     *
     */
    delegate(sender: string, lamports: bigint, stakeAccount: string, params?: Params): Promise<ApiResponse<TransactionMessageWithBlockhashLifetime>>;
    /**
     * Deactivates a stake account.
     *
     * @param address - The public key of the account.
     * @param stakeAccountPublicKey - The public key of the stake account.
     * @throws Throws an error if there's an issue during the deactivation process.
     * @returns Returns a promise that resolves with the deactivation transaction.
     *
     */
    deactivate(sender: string, stakeAccountPublicKey: string, params?: Params): Promise<ApiResponse<TransactionMessageWithBlockhashLifetime>>;
    /**
     * Withdraws a specified amount from a stake account.
     *
     * @param address - The public key of the account.
     * @param stakeAccountPublicKey - The public key of the stake account.
     * @param stakeBalance - The amount in lamports to be withdrawn from the stake account.
     *
     * @throws Throws an error if there's an issue during the withdrawal process.
     *
     * @returns Returns a promise that resolves with the withdrawal transaction.
     *
     */
    withdraw(sender: Address, stakeAccountPublicKey: Address, stakeBalance: bigint, params?: Params): Promise<ApiResponse<TransactionMessageWithBlockhashLifetime>>;
    /**
     * Fetches the delegations of a given account.
     *
     * @param address - The public key of the account.
     *
     * @throws Throws an error if there's an issue fetching the delegations.
     *
     * @returns Returns a promise that resolves with the delegations of the account.
     *
     */
    getDelegations(address: string): Promise<ApiResponse<Delegations>>;
    /**
     * Stakes a certain amount of lamports.
     *
     * @param sender - The public key of the sender.
     * @param lamports - The number of lamports to stake.
     * @param source  - stake source
     * @param lockup - stake account lockup
     * @returns A promise that resolves to a VersionedTransaction object.
     */
    stake(sender: string, lamports: bigint, source: string, params?: Params): Promise<ApiResponse<StakeResponse>>;
    /**
     * Create account Tx, public key and array of keypair.
     *
     * @param address - The public key of the account.
     * @param lamports - The number of lamports to stake.
     * @param lockup - The stake account lockup
     *
     * @throws Throws an error if there's an issue creating an account.
     *
     * @returns Returns a promise that resolves with the Transaction, PublicKey and array of Keypair.
     *
     */
    private createAccountTx;
    /**
     * Create account Tx, public key and array of keypair using seed.
     *
     * @param authorityPublicKey - The public key of the account.
     * @param lamports - The number of lamports to stake.
     * @param source - The stake source
     * @param lockup - The stake account lockup
     *
     * @throws Throws an error if there's an issue creating an account.
     *
     * @returns Returns a promise that resolves with the Transaction, PublicKey and array of Keypair.
     *
     */
    private createAccountWithSeedTx;
    /** unstake - unstake
     * @param {string} sender - account blockchain address (staker)
     * @param {bigint} lamports - lamport amount
     * @param {string} source - stake source
     * @returns {Promise<object>} Promise object with Versioned Tx
     */
    unstake(sender: string, lamports: bigint, source: string, params?: Params): Promise<ApiResponse<UnstakeResponse>>;
    /**
     * Split existing account to create a new one
     *
     * @param authorityPublicKey - The public key of the account.
     * @param lamports - The number of lamports to stake.
     * @param oldStakeAccountPubkey -The public key of the old account.
     * @param source - The stake source
     *
     * @throws Throws an error if there's an issue splitting an account.
     *
     * @returns Returns a promise that resolves with the Transaction, PublicKey and array of Keypair.
     *
     */
    private split;
    /**
     * Claim makes withdrawal from all sender's deactivated accounts.
     *
     * @param sender - The sender solana address.
     *
     * @throws Throws an error if there's an issue while claiming a stake.
     *
     * @returns Returns a promise that resolves with a Versioned Transaction.
     *
     */
    claim(sender: string, params?: Params): Promise<ApiResponse<ClaimResponse>>;
    /**
     * Merge two accounts into a new one
     *
     * @param authorityPublicKey - The public key of the account.
     * @param stakeAccount1 - The public key of the first account.
     * @param stakeAccount2 - The public key of the second account.
     *
     * @throws Throws an error if there's an issue while merging an account.
     *
     * @returns Returns a promise that resolves with the Transaction, PublicKey and array of Keypair.
     *
     */
    private baseTx;
    /**
     * Generate a unique source for crating an account.
     *
     * @param source - source ID.
     *
     * @returns Returns a unique source for an account.
     *
     */
    private formatSource;
    /**
     * Generate timestamp in seconds.
     *
     * @returns Returns a timestamp in seconds.
     *
     */
    private timestampInSec;
}
/**
 * Determins the current state of a stake account given the current epoch
 * @param currentEpoch
 * @returns `stakeAccount`'s stake state`string`
 */
declare function stakeAccountState(account: StakeStateAccount, currentEpoch: bigint): string;
/**
 * Check if lockup is in force
 * @param currEpoch current epoch.
 * @param currUnixTimestamp current unix timetamp.
 * @returns a bool type result.
 */
declare function isLockupInForce(account: StakeStateAccount, currEpoch: bigint, currUnixTimestamp: bigint): boolean;
declare function isStake(state: StakeStateV2): state is Extract<StakeStateV2, {
    __kind: 'Stake';
}>;

export { ADDRESS_DEFAULT, type ApiResponse, Blockchain, CHAIN, type ClaimResponse, type CreateAccountResponse, DEVNET_VALIDATOR_ADDRESS, type Delegations, FILTER_DATA_SIZE, FILTER_OFFSET, MAINNET_VALIDATOR_ADDRESS, MAX_CLAIM_ACCOUNTS, MAX_DEACTIVATE_ACCOUNTS, MAX_DEACTIVATE_ACCOUNTS_WITH_SPLIT, MIN_AMOUNT, Network, type Params, type RpcConfig, STAKE_ACCOUNT_V2_SIZE, STAKE_CONFIG_ACCOUNT, STAKE_HISTORY_ACCOUNT, Solana, type StakeResponse, StakeState, type UnstakeResponse, WalletSDKError, isLockupInForce, isStake, stakeAccountState };