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log_aggregator
Part of The Vitalik Collection
0xa619c3df689e...599d2e443f65
FrontierContract #2,227Exact Bytecode MatchEdit this contract
Deployed October 18, 2015 (10 years ago)Block 401,300

On-chain log aggregator: records arbitrary events and break-points by block number

Frontier EraVerified Source

Context

Early Ethereum log/event aggregator contract by Vitalik Buterin (Oct 2015, block 401,300). Records arbitrary data as Log events; supports break markers keyed to block.number for temporal indexing. Verified: compiled with Serpent bc4ce59, exact bytecode match.

Key Facts
Deployer
Vitalik Buterin(0x1db343...fa6ee6)
Deployment Block
401,300
Deployment Date
Oct 18, 2015, 07:26 AM
Code Size
324.0 B
Gas at Deploy
120,775
Transactions by Year
201524

Source Verified

SerpentExact bytecode match(324 bytes)
Compiler: Serpent

Exact 302-byte runtime match. Compiled with Serpent bc4ce59. Has def init() constructor — runtime extracted as result[18:18+302] (18-byte init header offset).

Heuristic Analysis

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

Detected Type: log_aggregator

Bytecode Overview

Opcodes324
Unique Opcodes86
Jump Instructions12
Storage Operations3

External Links