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SOURCE-VERIFIED SMART CONTRACTS FOR TRANSPARENCY AND BETTER UX IN WEB3


SOURCIFY ENABLES TRANSPARENT AND HUMAN-READABLE SMART CONTRACT INTERACTIONS
THROUGH AUTOMATED SOLIDITY CONTRACT VERIFICATION, CONTRACT METADATA, AND NATSPEC
COMMENTS.

Verify ContractLookup Contract

pragma solidity >=0.7.0 <0.9.0;

/**
 * @title Storage
 * @dev Store & retrieve value in a variable
 */
contract Storage {
    uint256 number;
    /**
     * @dev Store value in variable
     * @param num value to store
     */
    function store(uint256 num) public {
        number = num;
    }
    /**
     * @dev Return value 
     * @return value of 'number'
     */
    function retrieve() public view returns (uint256){
        return number;
    }
}

Contract fully verified
Ethereum Görli
0x00878Ac0D6B8d981ae72BA7cDC967eA0Fae69df4

metadata.json

{
  "compiler": { "version": "0.8.4+commit.c7e474f2" },
  "language": "Solidity",
  "output": {
    "abi": [
      {
        "inputs": [],
        "name": "retrieve",
        "outputs": [
          { "internalType": "uint256", "name": "", "type": "uint256" }
        ],
        "stateMutability": "view",
        "type": "function"
      },
      {
        "inputs": [
          { "internalType": "uint256", "name": "num", "type": "uint256" }
        ],
        "name": "store",
        "outputs": [],
        "stateMutability": "nonpayable",
        "type": "function"
      }
    ],
    "devdoc": {
      "details": "Store & retrieve value in a variable",
      "kind": "dev",
      "methods": {
        "retrieve()": {
          "details": "Return value ",
          "returns": { "_0": "value of 'number'" }
        },
        "store(uint256)": {
          "details": "Store value in variable",
          "params": { "num": "value to store" }
        }
      },
      "title": "Storage",
      "version": 1
    },
    "userdoc": { "kind": "user", "methods": {}, "version": 1 }
  },



FULLY OPEN-SOURCE AND DECENTRALIZED

Sourcify's code is fully open-sourced. The repository of verified contracts is
completely public and decentralized by being served over IPFS.


NEXT-LEVEL SMART CONTRACT VERIFICATION

Full matches on Sourcify cryptographically guarantee the verified source code is
identical to the original deployed contract. Our monitoring service observes
contract creations and verifies the source codes automatically if published to
IPFS.




HUMAN-READABLE CONTRACT INTERACTIONS

Goodbye YOLO signing 👋. Decode contract interactions with the verified
contract's ABI and NatSpec comments . Show wallet users meaningful information
instead of hex strings.


GET IN TOUCH

Join our community using the platform you prefer

#IRChello@sourcify.dev


SUPPORTED CHAINS

Sourcify is multi-chain and works on all EVM based networks.

Currently we support 125 different chains


And many more!
See all 148 chains


INTEGRATIONS


POWERED BY SOURCIFY

Walleth
Otterscan
Blockscout
Keystone
eth-sdk
DexGuru Block Explorer


FRAMEWORKS & PLUGINS

Foundry
hardhat-verify
hardhat-deploy
Remix IDE
truflle-plugin-verify
Wagmi
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WANT TO INTEGRATE SOURCIFY INTO YOUR PROJECT?

Check DocsGet in touch


813,523 CONTRACTS VERIFIED ON ETHEREUM NETWORKS SO FAR!

Ethereum MainnetEthereum Testnet GoerliEthereum Testnet
Sepolia050,000100,000150,000200,000
 * Full Matches
 * Partial Matches




INCLUDING:

Uniswap
Synthetix
Optimism
Gnosis Safe
ENS


RESOURCES


   📖 READ

 * Sourcify Blog - Verify Contracts Perrrrrfectly - 18 Aug 2022
 * All you need to know about Sourcify - 25 Jun 2020
 * Sourcify: Towards Safer Contract Interactions for Humans - 02 June 2020
 * How Smart Contracts Can Be Automatically Verified - 29 Jan 2021
   Show more


   📽 WATCH

 * Franziska Heintel - Towards Trust-Minimized Transactions and a Transparent
   Web3 - 10 Jun 2022
 * Next Level Source Code Verification w: Sourcify - 10 Oct 2021
 * Goodbye YOLO-Signing - 21 Oct 2021
   Show more


INTERNAL LINKS

Contract Verifier
Contract Lookup


EXTERNAL LINKS

Documentation
Contract Repository (IPFS)
Brand Resources


SOCIALS

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Sourcify Team • 2024 • sourcify.eth
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