Create a .env file with all your Chainstack endpoints with Python
Learn how to automatically generate a .env file listing all your Chainstack endpoints with Python.13 Steps
How to get ERC-20 token transfer logs using ethers.js
This recipe shows you how to use the Ethers library with a Chainstack Ethereum node to retrieve transfer logs for an ERC-20 token.7 Steps
Extract 'randao' value from the Ethereum Beacon chain using the block details method
This script extracts the ‘randao’ information from the Beacon chain block details in JavaScript using the Axios package.6 Steps
Identify if a block has been included in the main chain or was forked
This script uses web3.js to evaluate whether a specific block within a blockchain network has been integrated into the main chain or if it was a result of a reorg.6 Steps
How to properly encode topics for eth_getLogs
These web3.js and ethers.js scripts provide a straightforward way to generate encoded event signatures and parameters that can be utilized in the topics filter when pulling logs from an EVM-compatible chain.7 Steps
How to encode callData parameters to programmatically interact with a smart contract
These scripts show you how to encode callData parameters using the Ethereum ABI specification and web3.js to interact with smart contracts programmatically.7 Steps
How to convert decimal numbers to hexadecimals strings using web3.js and ethers.js
Hexadecimal strings are used to represent addresses and encode gas data and values. These scripts show you how to do it programmatically within your DApps.4 Steps
Send batch requests using ethers.js
This Recipe shows how to send batch requests to your Chainstack node instead of sending multiple loop-based requests. Adopting this approach can substantially boost the performance of your DApp.7 Steps
Send simultaneous blockchain requests using web3.js
This Recipe shows you how to efficiently send multiple requests to an Ethereum node instead of using a for loop by fetching an account balance for the past 500 blocks.6 Steps
Monitor incoming transactions to an Ethereum address in real time using subscriptions and web3.js
This Recipe shows you how to leverage subscriptions, WSS endpoints, and web3.js to monitor incoming transactions in real-time.5 Steps
Send Solana transactions using solana/web3.js
This Recipe shows how you can use the solana/web3.js library to send transactions programmatically.7 Steps
Fetching contract deployment transactions with the Chainstack Covalent SDK
Querying the Chainstack Covalent SDK to return a list of contracts deployed by a specified address.7 Steps
Monitoring swaps on Uniswap with WebSocket endpoints
Monitoring swaps, in near real-time, as they happen on Uniswap V2 with web3.js.7 Steps
Querying subgraphs in Python with Subgrounds
Leveraging the Subgrounds Python library to interact with subgraphs.6 Steps
Minting SPL tokens with solana-web3.js
Leveraging solana-web3.js and spl-token to mint 1000 SPL tokens on Solana.7 Steps
Simulate a buy swap on Uniswap using Web3.js
Learn how to use eth_call to simulate Uniswap swaps.7 Steps
Delegating SOL with solana-web3.js
Using solana-web3.js to interact with Solana’s stake program to delegate 0.02 SOL.6 Steps
Fetching Polygon Logs for an Address from a Block using `eth_getTransactionReceiptsByBlock` and web3.py
Using the web3.py library, this tool fetches transaction logs from the Polygon blockchain for a given Ethereum address in a specific block. It aids in efficient retrieval and analysis of transaction activities, ideal for debugging and monitoring.11 Steps
Create a .env file with all your Chainstack endpoints with JavaScript
Learn how to create a .env file with all your Chainstack endpoints using JavaScript.7 Steps
How to transfer the entire account balance using web3.js
Learn how to transfer the entire balance from an account using web3.js.5 Steps
Fetch ERC-20 balances using ethers.js and ChainstackProvider
Use ethers with the ChainstackProvider to call smart contract functions.7 Steps
