Lookup

Utility

0x6f6abe58386e...e2e63122fe4e

FrontierContract #4,582Exact Bytecode MatchEdit this contract

Deployed December 5, 2015 (10 years ago)Block 647,131

The address book of the iudex identity and reputation system: stores where its storage and account-verification contracts live.

Frontier EraVerified Source

Key Facts

Deployer

0xbb2bc4...53a297

Deployment Block

647,131

Deployment Date

Dec 5, 2015, 11:01 PM

Code Size

680.0 B

Gas at Deploy

202,078

Deployment Transaction: 0xc33c879d2800fa7f...78d500d37ab98fab

Description

Lookup lets its owner set the addresses of the iudex storage contract and of each account provider, so other iudex contracts can find them.

Source Verified

SolidityExact bytecode match(680 bytes)

Compiler: v0.1.6+

View verification proof

Exact runtime and creation bytecode match with soljson v0.1.6+commit.d41f8b7c, optimizer on. Source: github.com/iudex/iudex lookup.sol (author original, verbatim). Verified on Etherscan. Not submitted to Sourcify: its oldest supported compiler is v0.1.7.

Heuristic Analysis

The following characteristics were detected through bytecode analysis and may not be accurate.

Detected Type: Utility

Frontier Era

The initial release of Ethereum. A bare-bones implementation for technical users.

Block span: 0 — 1,149,999

July 30, 2015 — March 14, 2016

Bytecode Overview

Opcodes680

Unique Opcodes83

Jump Instructions34

Storage Operations20

Verified Source Available

Source verified through compiler archaeology and exact bytecode matching.

Verified on Etherscan

View Verification Proof

Show source code (Solidity)

// Submitted by EthereumHistory (ethereumhistory.com)
//
// The contract to store addresses of others, including the main storage and verifiers.
//

contract Lookup {
  address owner;

  modifier owneronly { if (msg.sender == owner) _ }

  function setOwner(address addr) owneronly {
    owner = addr;
  }

  function Lookup() {
    owner = msg.sender;
  }

  address public addrStorage;
  function setStorage(address addr) owneronly {
    addrStorage = addr;
  }


  uint8 public accountProvider_ALL = 0;
  uint8 public accountProvider_TWITTER = 1;
  uint8 public accountProvider_FACEBOOK = 2;
  uint8 public accountProvider_GITHUB = 3;

  mapping(uint8 => address) public accountProviders;
  function setAccountProvider(uint8 accountProvider, address addr) owneronly {
    accountProviders[accountProvider] = addr;
  }
}

External Links

Etherscan Verified Source (if any)

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