Sender

Unclassified

0x20641935dd38...7adcefa255d6

HomesteadContract #14KExact Bytecode MatchEdit this contract

Deployed April 7, 2016 (10 years ago)Block 1,292,472

Homestead-era balance-forwarder with a public sender state var, settable via setSender(). Fallback forwards this.balance to sender.send(). First of 12 identical deployments.

Homestead EraVerified Source

Key Facts

Deployer

0xee37b6...f9c113

Deployment Block

1,292,472

Deployment Date

Apr 7, 2016, 02:40 PM

Code Size

167.0 B

Gas at Deploy

98,459

Deployment Transaction: 0xd7ad9ba4e9cea630...d208940504dc2a9d

Description

This contract is the first of 12 identical Sender deployments. Public sender state variable settable via setSender(address). Fallback forwards this.balance to sender.send(). Compiled with solc 0.1.6+commit.d41f8b7c optimizer ON. Exact byte-for-byte match on 167-byte runtime.

Proof: cartoonitunes/awesome-ethereum-proofs, folder sender-forwarder-0x20641935.

Source Verified

SolidityExact bytecode match(167 bytes)

Compiler: 0.1.6+c

View verification proof

Exact byte-for-byte match on 167-byte runtime with solc 0.1.6 opt ON. Cluster: 12 identical-runtime deployments. Also Etherscan-verified with EthereumHistory attribution.

Heuristic Analysis

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

Detected Type: Unclassified

Homestead Era

The first planned hard fork. Removed the canary contract, adjusted gas costs.

Block span: 1,150,000 — 1,919,999

March 14, 2016 — July 20, 2016

Bytecode Overview

Opcodes167

Unique Opcodes47

Jump Instructions6

Storage Operations4

Verified Source Available

Source verified through compiler archaeology and exact bytecode matching.

View Verification Proof

Show source code (Solidity)

// Submitted by EthereumHistory (ethereumhistory.com)
contract Sender {
    address public sender;

    function setSender(address _sender) {
        sender = _sender;
    }

    function () {
        sender.send(this.balance);
    }
}

External Links

Etherscan Verified Source (if any)

Related contracts

myToken

Same deployer

Deployed with no constructor arguments at all, which left it nameless.

0xac514f...d26d2dNovember 18, 2015

Contract 0xdbbf29...30cace

Same deployer

Block-height timelock (Homestead, Apr 2016) that releases its full ETH balance to a fixed beneficiary at releaseBlock, self-scheduling a wake-up via Piper Merri

0xdbbf29...30caceApril 4, 2016

Contract 0xabf5db...3b3d41

Same deployer

Byte-identical deployment of: Block-height timelock (Homestead, Apr 2016) that releases its full ETH balance to a fixed beneficiary at releaseBlock, self-schedu

0xabf5db...3b3d41April 4, 2016

Contract 0x9b20d7...11b12d

Same deployer

Identical-runtime sibling. Block-height timelock (Homestead, Apr 2016) that releases its full ETH balance to a fixed beneficiary at releaseBlock, self-schedulin

0x9b20d7...11b12dApril 4, 2016

Contract 0xa78f6a...758767

Same deployer

Block-height timelock (Homestead, Apr 2016) that releases its full ETH balance to a fixed beneficiary at releaseBlock, self-scheduling a wake-up via Piper Merri

0xa78f6a...758767April 4, 2016

Contract 0xd98be3...b1cb60

Same deployer

Block-height timelock (Homestead, Apr 2016) that releases its full ETH balance to a fixed beneficiary at releaseBlock, self-scheduling a wake-up via Piper Merri

0xd98be3...b1cb60April 5, 2016