@pannyparveen/energy-trading-platform/dist/decorators/SecurityDecorator.js

A decentralized system for renewable energy trading using blockchain, IoT, and AI

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.secureTransaction = secureTransaction;
// src/decorators/SecurityDecorator.ts
function secureTransaction(target, propertyKey, descriptor) {
    // Check if the method exists in the descriptor
    if (!descriptor.value) {
        throw new Error('Descriptor value is missing');
    }
    const originalMethod = descriptor.value;
    descriptor.value = function (...args) {
        // Perform security checks before executing the original method
        const MAX_TRANSACTION_AMOUNT = 1000;
        const amount = args[2]; // Assuming the third argument is the transaction amount
        if (amount > MAX_TRANSACTION_AMOUNT) {
            console.log('Transaction amount exceeds the limit. Transaction cancelled.');
            return false;
        }
        // Call the original method
        const result = originalMethod.apply(this, args);
        // Ensure the result is a boolean as expected
        if (typeof result !== 'boolean') {
            throw new Error('Return type of method must be boolean');
        }
        return result;
    };
    return descriptor;
}