0x8b8f...053b

Unclassified

0x8b8f21e552ec...6edc516c053b

ByzantiumSource VerifiedEdit this contract

Deployed October 16, 2018 (8 years ago)Block 6,524,509

This contract is not yet documented

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Byzantium EraVerified Source

Key Facts

Deployer

0x02802e...3145cf

Deployment Block

6,524,509

Deployment Date

Oct 16, 2018, 07:32 AM

Code Size

760.0 B

Gas at Deploy

277,462

Deployment Transaction: 0x50c32f66f8bd6cc6...ed0544a153d3719b

Heuristic Analysis

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

Detected Type: Unclassified

Byzantium Era

First Metropolis hard fork. Added zk-SNARK precompiles, REVERT opcode, and staticcall.

Block span: 4,370,000 — 7,279,999

October 16, 2017 — February 28, 2019

Bytecode Overview

Opcodes760

Unique Opcodes91

Jump Instructions38

Storage Operations7

Verified Source Available

This contract has verified source code on Etherscan.

Verified on Etherscan (similar match)

Show source code (Solidity)

// Submitted by EthereumHistory (ethereumhistory.com)
pragma solidity ^0.4.24;

contract Migrations {
  address public owner;
  uint public last_completed_migration;

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

  constructor() public {
    owner = msg.sender;
  }

  function setCompleted(uint completed) public restricted {
    last_completed_migration = completed;
  }

  function upgrade(address new_address) public restricted {
    Migrations upgraded = Migrations(new_address);
    upgraded.setCompleted(last_completed_migration);
  }
}

External Links

Etherscan Verified Source (if any)

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