JSPM

TypeScript Interface for Ethereum

Features

• Abstractions over the JSON-RPC API to make your life easier
• First-class APIs for interacting with Smart Contracts
• Language closely aligned to official Ethereum terminology
• Import your Browser Extension, WalletConnect or Private Key Wallet
• Browser native BigInt, instead of large BigNumber libraries
• Utilities for working with ABIs (encoding/decoding/inspection)
• TypeScript ready (infer types from ABIs and EIP-712 Typed Data)
• First-class support for Anvil, Hardhat & Ganache
• Test suite running against forked Ethereum network

... and a lot more.

Overview

// 1. Import modules.
import { createPublicClient, http } from 'viem';
import { mainnet } from 'viem/chains';

// 2. Set up your client with desired chain & transport.
const client = createPublicClient({
  chain: mainnet,
  transport: http(),
});

// 3. Consume an action!
const blockNumber = await client.getBlockNumber();

Documentation

Head to the documentation to read and learn more about viem.

Community

Check out the following places for more viem-related content:

• Follow @wevm_dev, @jakemoxey, and @awkweb on Twitter for project updates
• Join the discussions on GitHub
• Share your project/organization that uses viem

Support

• GitHub Sponsors
• Gitcoin Grant
• wevm.eth

Sponsors

Contributing

If you're interested in contributing, please read the contributing docs before submitting a pull request.

Authors

• @jxom (jxom.eth, Twitter)
• @tmm (awkweb.eth, Twitter)

License

MIT License