Blockchain Development Programming Tutorials, Guides & Best Practices
Explore 30+ expertly crafted blockchain development tutorials, components, and code examples. Stay productive and build faster with proven implementation strategies and design patterns from DeveloperBreeze.
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Tutorial
How to Query ERC-20 Token Balances and Transactions Using Ethers.js and Etherscan API
- Node.js installed on your machine.
- A basic understanding of JavaScript.
- An Etherscan API key (explained below).
- Familiarity with Ethers.js for blockchain interaction.
To use the Etherscan API, you’ll need to get an API key. Here’s how:
Oct 24, 2024
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Understanding and Using the Etherscan API to Query Blockchain Data
We will use Axios to make HTTP requests to the Etherscan API. To install Axios, run the following command in your project folder:
npm install axiosOct 24, 2024
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javascript nodejs
Tracking Newly Created Tokens on Ethereum
Step 3: Fetch Newly Created Tokens
We will use Etherscan's API to fetch information about newly created tokens. Add the following function to your index.js file:
Aug 09, 2024
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