@lit-protocol/auth-helpers/src/lib/siwe/create-siwe-message.js

Advanced authentication utilities for managing blockchain resource permissions and capabilities within the Lit Protocol ecosystem. Built on top of SIWE (Sign-In with Ethereum) and SIWE-RECAP for robust authentication flows.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.createSiweMessageWithCapacityDelegation = exports.createSiweMessageWithRecaps = exports.createSiweMessage = void 0;
const siwe_1 = require("siwe");
const constants_1 = require("@lit-protocol/constants");
const resources_1 = require("../resources");
const siwe_helper_1 = require("./siwe-helper");
/**
 * Creates a SIWE
 * @param { BaseSiweMessage } params - The parameters for creating the SIWE message.
 * @returns A promise that resolves to the created SIWE message as a string.
 * @throws An error if the walletAddress parameter is missing.
 */
const createSiweMessage = async (params) => {
    // -- validations
    if (!params.walletAddress) {
        throw new Error('walletAddress is required');
    }
    const ONE_WEEK_FROM_NOW = new Date(Date.now() + 1000 * 60 * 60 * 24 * 7).toISOString();
    const siweParams = {
        domain: params?.domain ?? 'localhost',
        address: params.walletAddress,
        statement: params?.statement ??
            'This is a test statement.  You can put anything you want here.',
        uri: params?.uri ?? 'https://localhost/login',
        version: params?.version ?? '1',
        chainId: params?.chainId ?? 1,
        nonce: params.nonce,
        expirationTime: params?.expiration ?? ONE_WEEK_FROM_NOW,
    };
    let siweMessage = new siwe_1.SiweMessage(siweParams);
    // -- create a message with capacity credits
    if ('dAppOwnerWallet' in params || // required param
        'uses' in params || // optional
        'delegateeAddresses' in params || // optional
        'capacityTokenId' in params // optional
    ) {
        const ccParams = params;
        const capabilities = (0, siwe_helper_1.createCapacityCreditsResourceData)(ccParams);
        params.resources = [
            {
                resource: new resources_1.LitRLIResource(ccParams.capacityTokenId ?? '*'),
                ability: constants_1.LIT_ABILITY.RateLimitIncreaseAuth,
                data: capabilities,
            },
        ];
    }
    // -- add recap resources if needed
    if (params.resources) {
        siweMessage = await (0, siwe_helper_1.addRecapToSiweMessage)({
            siweMessage,
            resources: params.resources,
            litNodeClient: params.litNodeClient,
        });
    }
    return siweMessage.prepareMessage();
};
exports.createSiweMessage = createSiweMessage;
/**
 * Creates a SIWE message with recaps added to it.
 *
 * @param { WithRecap } params - The parameters for creating the SIWE message with recaps.
 * @returns A Promise that resolves to a string representing the SIWE message.
 */
const createSiweMessageWithRecaps = async (params) => {
    return (0, exports.createSiweMessage)({
        ...params,
    });
};
exports.createSiweMessageWithRecaps = createSiweMessageWithRecaps;
/**
 * Creates a SIWE message with capacity delegation.
 * @param { WithCapacityDelegation } params - The parameters for creating the SIWE message.
 * @returns A Promise that resolves to the created SIWE message.
 * @throws An error if litNodeClient is not provided.
 */
const createSiweMessageWithCapacityDelegation = async (params) => {
    if (!params.litNodeClient) {
        throw new Error('litNodeClient is required');
    }
    return (0, exports.createSiweMessage)({
        ...params,
    });
};
exports.createSiweMessageWithCapacityDelegation = createSiweMessageWithCapacityDelegation;
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