Erc-20 Tokens Development Tutorials, Guides & Insights
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How to Query ERC-20 Token Balances and Transactions Using Ethers.js and Etherscan API
You should see a list of token transactions for the specified address, with details including the sender, recipient, value transferred, and transaction hash.
You can customize the Etherscan API request to suit your needs. Here are a few options:
Sending Transactions and Interacting with Smart Contracts Using Infura and Ethers.js
If everything is set up correctly, the script will output the token balance of the specified wallet.
Token Balance: 1000000000000000000Understanding and Using the Etherscan API to Query Blockchain Data
const axios = require('axios');
// Replace this with your actual Etherscan API key
const apiKey = 'YOUR_ETHERSCAN_API_KEY';
// Replace this with the transaction hash you want to query
const transactionHash = '0xYourTransactionHash';
// Etherscan API URL to fetch transaction details
const url = `https://api.etherscan.io/api?module=proxy&action=eth_getTransactionByHash&txhash=${transactionHash}&apikey=${apiKey}`;
async function getTransactionDetails() {
try {
// Make the API request to Etherscan
const response = await axios.get(url);
const transactionDetails = response.data.result;
// Log the transaction details
console.log('Transaction Details:', transactionDetails);
} catch (error) {
console.error('Error fetching transaction details:', error);
}
}
// Call the function to get the transaction details
getTransactionDetails();- Replace
'YOUR_ETHERSCAN_API_KEY'with your actual Etherscan API key. - Replace
'0xYourTransactionHash'with the transaction hash you want to query. - This script uses the
eth_getTransactionByHashendpoint to fetch transaction details, such as gas price, block number, and sender/receiver addresses.