0x400a...e5e9

Unclassified

0x400a664f7d37...6b4a4e65e5e9

ByzantiumBytecode OnlyEdit this contract

Deployed September 7, 2018 (8 years ago)Block 6,287,874

This contract is not yet documented

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Byzantium EraVerified Source

Key Facts

Deployer

0xfcbdf8...ee5eee

Deployment Block

6,287,874

Deployment Date

Sep 7, 2018, 10:55 AM

Code Size

572.0 B

Gas at Deploy

224,195

Deployment Transaction: 0x4cecd07b23721840...11ae90abcc2cafca

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

Opcodes572

Unique Opcodes99

Jump Instructions33

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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