@biconomy/modules/dist/src/session-validation-modules/ERC20SessionValidationModule.js

This package provides different validation modules/plugins for ERC4337 compatible modular account

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.ERC20SessionValidationModule = void 0;
const utils_1 = require("ethers/lib/utils");
/**
 * Session validation module for ERC20 token transfers.
 * It encodes session data into a sessionKeyData bytes to be verified by ERC20SessionValidationModule on chain.
 *
 * @author Sachin Tomar <sachin.tomar@biconomy.io>
 */
class ERC20SessionValidationModule {
    /**
     * This constructor is private. Use the static create method to instantiate ERC20SessionValidationModule
     * @param moduleConfig The configuration for the module
     * @returns An instance of ERC20SessionValidationModule
     */
    constructor(moduleConfig) {
        this.version = "V1_0_0";
        if (!moduleConfig.moduleAddress) {
            throw new Error("Module address is required");
        }
        this.moduleAddress = moduleConfig.moduleAddress;
    }
    /**
     * Asynchronously creates and initializes an instance of ERC20SessionValidationModule
     * @param moduleConfig The configuration for the module
     * @returns A Promise that resolves to an instance of ERC20SessionValidationModule
     */
    static async create(moduleConfig) {
        const module = new ERC20SessionValidationModule(moduleConfig);
        return module;
    }
    async getSessionKeyData(sessionData) {
        this._validateSessionKeyData(sessionData);
        const sessionKeyData = utils_1.defaultAbiCoder.encode(["address", "address", "address", "uint256"], [sessionData.sessionKey, sessionData.token, sessionData.recipient, sessionData.maxAmount]);
        return sessionKeyData;
    }
    _validateSessionKeyData(sessionData) {
        if (!sessionData) {
            throw new Error("Session data is required");
        }
        if (!sessionData.sessionKey) {
            throw new Error("Session key is required in sessionData");
        }
        if (!sessionData.token) {
            throw new Error("Token address is required in sessionData");
        }
        if (!sessionData.recipient) {
            throw new Error("Recipient address is required in sessionData");
        }
        if (!sessionData.maxAmount) {
            throw new Error("MaxAmount is required in sessionData");
        }
    }
    getAddress() {
        return this.moduleAddress;
    }
}
exports.ERC20SessionValidationModule = ERC20SessionValidationModule;
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