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eth-block-tracker

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eth-block-tracker

A block tracker for the Ethereum blockchain. Keeps track of the latest block.

  • 8.1.0
  • latest
  • Source
  • npm
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13
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What is eth-block-tracker?

The eth-block-tracker npm package is designed to help developers track the latest blocks on the Ethereum blockchain. It provides a simple interface to subscribe to new block events, poll for new blocks, and manage block tracking efficiently.

What are eth-block-tracker's main functionalities?

Polling for New Blocks

This feature allows you to poll for new blocks on the Ethereum blockchain. The code sample demonstrates how to set up a block tracker that listens for the latest block and logs it to the console.

const EthBlockTracker = require('eth-block-tracker');
const provider = require('eth-provider');
const blockTracker = new EthBlockTracker({ provider: provider() });

blockTracker.on('latest', (block) => {
  console.log('Latest block:', block);
});

blockTracker.start();

Handling Errors

This feature allows you to handle errors that may occur during block tracking. The code sample demonstrates how to set up an error handler that logs errors to the console.

const EthBlockTracker = require('eth-block-tracker');
const provider = require('eth-provider');
const blockTracker = new EthBlockTracker({ provider: provider() });

blockTracker.on('error', (error) => {
  console.error('Error:', error);
});

blockTracker.start();

Custom Polling Interval

This feature allows you to set a custom polling interval for checking new blocks. The code sample demonstrates how to set up a block tracker with a polling interval of 20 seconds.

const EthBlockTracker = require('eth-block-tracker');
const provider = require('eth-provider');
const blockTracker = new EthBlockTracker({ provider: provider(), pollingInterval: 20000 });

blockTracker.on('latest', (block) => {
  console.log('Latest block:', block);
});

blockTracker.start();

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Package last updated on 12 Oct 2023

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