Alchemy Core Workflow A — Wallet Portfolio Tracker

Overview

Primary workflow: build a wallet portfolio tracker using Alchemy's Enhanced APIs. Combines getTokenBalances, getNftsForOwner, getAssetTransfers, and token metadata to create a complete wallet view across ERC-20, ERC-721, and ERC-1155 assets.

Prerequisites

• Completed alchemy-install-auth setup
• alchemy-sdk installed
• Understanding of Ethereum address format and token standards

Instructions

Step 1: Portfolio Data Fetcher

// src/portfolio/fetcher.ts
import { Alchemy, Network, AssetTransfersCategory } from 'alchemy-sdk';