DoStuff

Unclassified

0x0c96073c1796...6aa17123f036

ByzantiumExact Bytecode MatchEdit this contract

Bytecode verified via sibling

This contract shares identical runtime bytecode with DoStuff (0x8a2d3d1a...) which has been verified through compiler archaeology.

Deployed July 23, 2018 (8 years ago)Block 6,017,440

Gas-burn contract with a single `doStuff()` function that runs an empty 1000-iteration for-loop. Cluster of 15 identical deployments.

Byzantium EraVerified Source

Key Facts

Deployer

0xb7c9a7...c9e254

Deployment Block

6,017,440

Deployment Date

Jul 23, 2018, 07:08 PM

Code Size

162.0 B

Gas at Deploy

95,923

Deployment Transaction: 0x6c489d2865ddc4b6...720b452f4d94d98e

Description

One of 15 identical gas-benchmarking contracts. Exposes a single doStuff() function that runs an empty for-loop from 0 to 999. Compiled with solc 0.4.24 optimizer OFF. Exact code match; only trailing 34-byte Swarm metadata differs.

Source Verified

SolidityExact bytecode match(162 bytes)

Compiler: 0.4.24+

Exact code match on 128 code bytes with solc 0.4.24 opt OFF. Only trailing 34-byte Swarm metadata differs. Etherscan-verified with EthereumHistory attribution.

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

Opcodes162

Unique Opcodes67

Jump Instructions12

Storage Operations0

Verified Source Available

Source verified through compiler archaeology and exact bytecode matching.

Show source code (Solidity)

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

contract DoStuff {
    function doStuff() public {
        for (uint i = 0; i < 1000; i++) {
        }
    }
}

External Links

Etherscan Verified Source (if any)

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