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Proxy Implementation Checker

Check proxy contract implementations and admin addresses

01

What are Proxy Contracts?

Proxy contracts enable smart contract upgradeability on Ethereum. The proxy contract holds the state and delegates calls to an implementation contract that contains the logic. By changing the implementation address, dev…

02

How does it work?

Detection Process This tool checks proxy contracts by: Reading standard storage slots defined in EIP-1967 and EIP-1822 Attempting to call implementation() function for custom proxies Checking for beacon proxy patterns E…

03

Sample Case

Covers Aave V3 Pool so you can compare common inputs and outputs quickly.

/ Code

/ Integration

Source code from the selected tool, shown here alongside the live version on the right.

/ Source Code
TypeScript
typescript
// npm install viem

import { createPublicClient, http, getAddress } from 'viem';
import { mainnet } from 'viem/chains';

// EIP-1967 standard storage slots
const IMPLEMENTATION_SLOT = "0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc";
const ADMIN_SLOT = "0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103";

const client = createPublicClient({
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