0x8ac7...7ff3

Unclassified

0x8ac714aed854...763fed987ff3

ByzantiumBytecode OnlyEdit this contract

Deployed April 27, 2018 (8 years ago)Block 5,514,051

This contract is not yet documented

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Byzantium EraVerified Source

Key Facts

Deployer

0x13c861...ac003d

Deployment Block

5,514,051

Deployment Date

Apr 27, 2018, 09:20 AM

Code Size

760.0 B

Gas at Deploy

277,462

Deployment Transaction: 0x680f57e36d55ae1a...a1c94e94d9dbd7ea

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 Opcodes101

Jump Instructions36

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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