0x7a27...c9ab

Unclassified

0x7a2780bc577c...e5937b1ec9ab

ByzantiumBytecode OnlyEdit this contract

Deployed November 30, 2018 (7 years ago)Block 6,797,444

This contract is not yet documented

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Byzantium EraVerified Source

Key Facts

Deployer

0x00c4ce...8f0e3f

Deployment Block

6,797,444

Deployment Date

Nov 30, 2018, 01:01 AM

Code Size

572.0 B

Gas at Deploy

224,195

Deployment Transaction: 0xd17dd1ddc6ad0bf4...ace50fe9a5ebf4a8

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 Opcodes102

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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