/**
 * L1 (phantom-agent) signing for trading actions.
 * @module
 */
/// <amd-module name="file:///home/runner/work/hyperliquid/hyperliquid/src/signing/_l1.ts" />
import { type AbstractWallet, type Signature } from "./_abstractWallet.js";
/**
 * Creates a hash of the L1 action.
 *
 * @param args The action and metadata to hash.
 * @return The keccak256 hash as a hex string.
 *
 * @example
 * ```ts
 * import { createL1ActionHash } from "@nktkas/hyperliquid/signing";
 *
 * const action = { type: "cancel", cancels: [{ a: 0, o: 12345 }] };
 * const nonce = Date.now();
 *
 * const actionHash = createL1ActionHash({ action, nonce });
 * ```
 */
export declare function createL1ActionHash(args: {
    /** The action to be hashed (hash depends on key order). */
    action: Record<string, unknown> | unknown[];
    /** The current timestamp in ms. */
    nonce: number;
    /** Optional vault address used in the action. */
    vaultAddress?: `0x${string}`;
    /** Optional expiration time of the action in ms since the epoch. */
    expiresAfter?: number;
}): `0x${string}`;
/**
 * Signs an L1 action.
 *
 * @param args The wallet, action, and signing parameters.
 * @return The ECDSA signature.
 *
 * @throws {AbstractWalletError} If signing fails.
 *
 * @example
 * ```ts
 * import { signL1Action } from "@nktkas/hyperliquid/signing";
 * import { privateKeyToAccount } from "npm:viem/accounts";
 *
 * const wallet = privateKeyToAccount("0x..."); // `viem` or `ethers` or any `AbstractWallet`
 *
 * const action = { type: "cancel", cancels: [{ a: 0, o: 12345 }] };
 * const nonce = Date.now();
 *
 * const signature = await signL1Action({ wallet, action, nonce });
 * ```
 *
 * @example
 * \- Full cycle of signing and sending an L1 action to the Hyperliquid API
 * ```ts
 * import { canonicalize, signL1Action } from "@nktkas/hyperliquid/signing";
 * import { CancelRequest } from "@nktkas/hyperliquid/api/exchange";
 * import { privateKeyToAccount } from "npm:viem/accounts";
 *
 * const wallet = privateKeyToAccount("0x..."); // `viem` or `ethers` or any `AbstractWallet`
 *
 * //             For correct hashing, keys in the L1 action must be in
 * //             the same order as in the schema definition
 * //             ⌄⌄⌄⌄⌄⌄⌄⌄⌄
 * const action = canonicalize(CancelRequest.entries.action, {
 *   type: "cancel",
 *   cancels: [{ a: 0, o: 12345 }],
 * });
 * const nonce = Date.now();
 *
 * const signature = await signL1Action({ wallet, action, nonce });
 *
 * // Send the signed action to the Hyperliquid API
 * const response = await fetch("https://api.hyperliquid.xyz/exchange", {
 *   method: "POST",
 *   headers: { "Content-Type": "application/json" },
 *   body: JSON.stringify({ action, signature, nonce }),
 * });
 * const body = await response.json();
 * ```
 */
export declare function signL1Action<TAction extends Record<string, unknown> | unknown[]>(args: {
    /** Wallet to sign the action. */
    wallet: AbstractWallet;
    /** The action to be signed (hash depends on key order). */
    action: TAction;
    /** The current timestamp in ms. */
    nonce: number;
    /**
     * Indicates if the action is for the testnet.
     *
     * Default: `false`
     */
    isTestnet?: boolean;
    /** Optional vault address used in the action. */
    vaultAddress?: `0x${string}`;
    /** Optional expiration time of the action in ms since the epoch. */
    expiresAfter?: number;
}): Promise<Signature>;
/**
 * Signs an inner per-signer contribution to a multi-sig L1 action.
 *
 * Signs `[multiSigUser, outerSigner, action]` with both addresses lowercased;
 * the returned signature is trimmed for inclusion in the multi-sig wrapper.
 *
 * @param args The signer, action, and signing parameters.
 * @return The trimmed ECDSA signature.
 *
 * @throws {AbstractWalletError} If signing fails.
 */
export declare function signL1Inner(args: {
    /** Inner signer (one of the multi-sig authorized users). */
    signer: AbstractWallet;
    /** The action to be authorized. */
    action: Record<string, unknown> | unknown[];
    /** The multi-sig account address. */
    multiSigUser: `0x${string}`;
    /** The leader address (address of the wallet that signs the outer wrapper). */
    outerSigner: `0x${string}`;
    /** The current timestamp in ms. */
    nonce: number;
    /**
     * Indicates if the action is for the testnet.
     *
     * Default: `false`
     */
    isTestnet?: boolean;
    /** Optional vault address used in the action. */
    vaultAddress?: `0x${string}`;
    /** Optional expiration time of the action in ms since the epoch. */
    expiresAfter?: number;
}): Promise<Signature>;