0x4f89...9c08

Unclassified

0x4f89a780ab15...05cc01a69c08

ByzantiumBytecode OnlyEdit this contract

Deployed June 6, 2018 (8 years ago)Block 5,739,287

This contract is not yet documented

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Byzantium EraVerified Source

Key Facts

Deployer

0xd3c1a8...7a7903

Deployment Block

5,739,287

Deployment Date

Jun 6, 2018, 12:45 AM

Code Size

760.0 B

Gas at Deploy

277,462

Deployment Transaction: 0x1e028e7c1f423e9e...7d8fc3231d91126c

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 Opcodes97

Jump Instructions35

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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