@biconomy/abstractjs/dist/_esm/account/decorators/getNexusAddress.js

SDK for Biconomy integration with support for account abstraction, smart accounts, ERC-4337.

import { pad, toHex } from "viem";
import { AccountFactoryAbi } from "../../constants/abi/AccountFactory.js";
/**
 * Gets the counterfactual address for a MEE Nexus account
 *
 * @param params - {@link GetUniversalAddressParams} Configuration for address computation
 * @param params.publicClient - The public client to use for the read contract
 * @param params.signerAddress - The address of the EOA signer
 * @param params.index - Optional account index (defaults to 0)
 *
 * @returns Promise resolving to the {@link Address} of the counterfactual account
 *
 * @example
 * const accountAddress = await getNexusAddress({
 *   publicClient: viemPublicClient,
 *   initData: "0x123...",
 *   index: BigInt(0)
 * });
 */
export const getNexusAddress = async (params) => {
    const { publicClient, initData, factoryAddress, index = 0n } = params;
    const salt = pad(toHex(index), { size: 32 });
    return await publicClient.readContract({
        address: factoryAddress,
        abi: AccountFactoryAbi,
        functionName: "computeAccountAddress",
        args: [initData, salt]
    });
};
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