โฌ Fetch the most up-to-date ABI of verified Smart Contracts (including proxy implementations) from Etherscan in seconds!

Related tags

Learning resource json interface smart-contracts address solidity abi evm etherscan
Overview

etherscan-abi

npm package Build Status Downloads Issues Commitizen Friendly Semantic Release

โฌ ๐Ÿš€ Fetch the most up-to-date ABI of verified Smart Contracts (including proxy implementations) from Etherscan in seconds!

Usage

CLI

  • Fetch the ABI of a contract from an address and save it to abis/ContractName.json:
npx etherscan-abi 0x1f9840a85d5aF5bf1D1762F925BDADdC4201F984
  • Note that if a standard proxy is detected, the proxy's implementation ABI will automatically be fetched:
npx etherscan-abi 0x7Fc66500c84A76Ad7e9c93437bFc5Ac33E2DDaE9
  • You can optionally provide a target directory path, an Etherscan apiKey (to bypass the default query rate limit), or specify a network on which to query the Smart Contract's source code (by name or chainId, decimal or hexadecimal):
npx etherscan-abi --target abis/uniswap/ \
    --apiKey ... \
    --network polygon \
    0xb33EaAd8d922B1083446DC23f610c2567fB5180f

Javascript

const { ethers } = require("ethers");
const { getContractAt } = require("etherscan-abi");

getContractAt(
  "0x1f9840a85d5aF5bf1D1762F925BDADdC4201F984",
  new ethers.providers.JsonRpcProvider("...")
)
  .then((uni) => uni.balanceOf("..."))
  .then(console.log);

Install

npm install etherscan-abi
yarn add etherscan-abi
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Releases(v2.3.5)
Owner
Romain Milon
Engineer @morpho-labs ๐Ÿฆ‹ | Solidity | Typescript | Python | Java | Rust
Romain Milon
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