MovieVoting

other

0x58828dc80663...4fdffb88d96a

FrontierContract #22Exact Bytecode MatchEdit this contract

Deployed August 8, 2015 (11 years ago)Block 51,112

Pay-to-vote bidding on bytes32 keys with append-only movie list.

Frontier EraVerified Source

Historical Significance

The earlier of two identical MovieVoting deployments within 16 blocks on Frontier Ethereum.

Context

Deployed on Frontier Day 4. This contract selfdestructed - likely killed by the deployer who redeployed at block 51,128 (rank 23).

Key Facts

Deployer

0x290572...9de90b

Deployment Block

51,112

Deployment Date

Aug 8, 2015, 02:06 AM

Code Size

292.0 B

Gas at Deploy

39,273

Deployment Transaction: 0xf20d51a6d07ff4e1...ad189c56758593e1

Description

Pay-to-vote bidding on bytes32 keys with append-only movie list. Functions include vote(bytes32), bids(bytes32), movies(uint256), movie_num(). Verified with soljson-v0.1.1+commit.6ff4cd6 and optimizer ON.

Source Verified

SolidityExact bytecode match(292 bytes)

Compiler: soljson

View verification proof

Backfilled from awesome-ethereum-proofs PR #38.

Heuristic Analysis

The following characteristics were detected through bytecode analysis and may not be accurate.

Detected Type: other

Frontier Era

The initial release of Ethereum. A bare-bones implementation for technical users.

Block span: 0 — 1,149,999

July 30, 2015 — March 14, 2016

Bytecode Overview

Opcodes292

Unique Opcodes84

Jump Instructions20

Storage Operations11

Verified Source Available

Source verified through compiler archaeology and exact bytecode matching.

View Verification Proof

Show source code (Solidity)

contract MovieVoting {
    mapping(bytes32 => uint256) public bids;
    bytes32[] public movies;
    uint256 public movie_num;

    function vote(bytes32 key) {
        if (msg.value == 0) return;
        var bid = bids[key];
        if (bid == 0) {
            movie_num += 1;
            movies[movie_num - 1] = key;
        }
        bids[key] += msg.value;
    }
}

External Links

Etherscan Verified Source (if any)

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