Back to HomeDeployer 0xc8ebcc...349448 Deployment Block 63,809 Deployment Date Aug 10, 2015, 12:41 PM Code Size 377.0 B Gas at Deploy 148,265
Frontier EraVerified Source
Key Facts
Transactions by Year
20152,007
20167
20225
20231
20242
20262
Deployment Transaction: 0x258a93bf65790447...5634c0f923a20984
Description
Faucet with per-address block-number cooldown. Functions include getWei(). Verified with soljson-v0.1.1+commit.6ff4cd6 and optimizer OFF.
Source Verified
SolidityExact bytecode match(377 bytes)
Compiler: soljson
Backfilled from awesome-ethereum-proofs PR #42.
Heuristic Analysis
The following characteristics were detected through bytecode analysis and may not be accurate.
Detected Type: Unknown
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
Opcodes377
Unique Opcodes59
Jump Instructions12
Storage Operations7
Verified Source Available
Source verified through compiler archaeology and exact bytecode matching.
View Verification ProofShow source code (Solidity)
contract WeiFaucet {
uint256 amount;
mapping(address => uint256) lastAccess;
uint256 cooldown;
function WeiFaucet() {
amount = 10000000000000000;
cooldown = 5760;
}
function getWei() returns (bool) {
if (lastAccess[msg.sender] < block.number - cooldown && address(this).balance > amount) {
msg.sender.send(amount);
lastAccess[msg.sender] = block.number;
return true;
} else {
return false;
}
}
}