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ContractCreator
Latest 25 from a total of 2,777 transactions
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Request | 7463597 | 2016 days ago | IN | 0 ETH | 0.00053501 | ||||
Request | 6963178 | 2108 days ago | IN | 0 ETH | 0.00025541 | ||||
Request | 6420793 | 2197 days ago | IN | 0 ETH | 0.00042142 | ||||
Request | 6152608 | 2242 days ago | IN | 0 ETH | 0.00053636 | ||||
Request | 5994091 | 2269 days ago | IN | 0 ETH | 0.00007662 | ||||
Request | 5984167 | 2271 days ago | IN | 0 ETH | 0.00025541 | ||||
Request | 5984150 | 2271 days ago | IN | 0 ETH | 0.00025541 | ||||
Request | 5935306 | 2279 days ago | IN | 0 ETH | 0.00020432 | ||||
Request | 5923070 | 2281 days ago | IN | 0 ETH | 0.00079177 | ||||
Request | 5910232 | 2283 days ago | IN | 0 ETH | 0.00327159 | ||||
Request | 5791442 | 2303 days ago | IN | 0 ETH | 0.00025541 | ||||
Request | 5762538 | 2309 days ago | IN | 0 ETH | 0.00022929 | ||||
Request | 5754712 | 2310 days ago | IN | 0 ETH | 0.00257964 | ||||
Request | 5732713 | 2314 days ago | IN | 0 ETH | 0.00051082 | ||||
Request | 5724817 | 2315 days ago | IN | 0 ETH | 0.00053636 | ||||
Request | 5693766 | 2321 days ago | IN | 0 ETH | 0.00028095 | ||||
Request | 5675011 | 2324 days ago | IN | 0 ETH | 0.00038311 | ||||
Set Fee | 5669921 | 2325 days ago | IN | 0 ETH | 0.00027115 | ||||
Set Fee | 5669802 | 2325 days ago | IN | 0 ETH | 0.00031544 | ||||
Puzzle | 5624462 | 2333 days ago | IN | 0 ETH | 0.0005942 | ||||
Request | 5612065 | 2335 days ago | IN | 0 ETH | 0.00030649 | ||||
Confirm | 5609403 | 2336 days ago | IN | 0 ETH | 0.00024155 | ||||
Confirm | 5609330 | 2336 days ago | IN | 0 ETH | 0.00024155 | ||||
Confirm | 5609212 | 2336 days ago | IN | 0 ETH | 0.00019086 | ||||
Confirm | 5609033 | 2336 days ago | IN | 0 ETH | 0.00021796 |
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Contract Name:
ProofOfEmail
Compiler Version
v0.4.8+commit.60cc1668
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2017-01-17 */ //! E-mail verification contract //! By Gav Wood, 2016. pragma solidity ^0.4.0; contract Owned { modifier only_owner { if (msg.sender != owner) return; _; } event NewOwner(address indexed old, address indexed current); function setOwner(address _new) only_owner { NewOwner(owner, _new); owner = _new; } address public owner = msg.sender; } contract Certifier { event Confirmed(address indexed who); event Revoked(address indexed who); function certified(address _who) constant returns (bool); function get(address _who, string _field) constant returns (bytes32) {} function getAddress(address _who, string _field) constant returns (address) {} function getUint(address _who, string _field) constant returns (uint) {} } contract ProofOfEmail is Owned, Certifier { modifier when_fee_paid { if (msg.value < fee) return; _; } event Requested(address indexed who, bytes32 indexed emailHash); event Puzzled(address indexed who, bytes32 indexed emailHash, bytes32 puzzle); function request(bytes32 _emailHash) payable when_fee_paid { Requested(msg.sender, _emailHash); } function puzzle(address _who, bytes32 _puzzle, bytes32 _emailHash) only_owner { puzzles[_puzzle] = _emailHash; Puzzled(_who, _emailHash, _puzzle); } function confirm(bytes32 _code) returns (bool) { var emailHash = puzzles[sha3(_code)]; if (emailHash == 0) return; delete puzzles[sha3(_code)]; if (reverse[emailHash] != 0) return; entries[msg.sender] = emailHash; reverse[emailHash] = msg.sender; Confirmed(msg.sender); return true; } function setFee(uint _new) only_owner { fee = _new; } function drain() only_owner { if (!msg.sender.send(this.balance)) throw; } function certified(address _who) constant returns (bool) { return entries[_who] != 0; } function get(address _who, string _field) constant returns (bytes32) { entries[_who]; } mapping (address => bytes32) entries; mapping (bytes32 => address) public reverse; mapping (bytes32 => bytes32) puzzles; uint public fee = 0 finney; }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"constant":false,"inputs":[{"name":"_new","type":"address"}],"name":"setOwner","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"","type":"bytes32"}],"name":"reverse","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_who","type":"address"},{"name":"_puzzle","type":"bytes32"},{"name":"_emailHash","type":"bytes32"}],"name":"puzzle","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_who","type":"address"},{"name":"_field","type":"string"}],"name":"getAddress","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_emailHash","type":"bytes32"}],"name":"request","outputs":[],"payable":true,"type":"function"},{"constant":false,"inputs":[{"name":"_new","type":"uint256"}],"name":"setFee","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_code","type":"bytes32"}],"name":"confirm","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":false,"inputs":[],"name":"drain","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_who","type":"address"},{"name":"_field","type":"string"}],"name":"getUint","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_who","type":"address"}],"name":"certified","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"fee","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_who","type":"address"},{"name":"_field","type":"string"}],"name":"get","outputs":[{"name":"","type":"bytes32"}],"payable":false,"type":"function"},{"anonymous":false,"inputs":[{"indexed":true,"name":"who","type":"address"},{"indexed":true,"name":"emailHash","type":"bytes32"}],"name":"Requested","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"who","type":"address"},{"indexed":true,"name":"emailHash","type":"bytes32"},{"indexed":false,"name":"puzzle","type":"bytes32"}],"name":"Puzzled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"who","type":"address"}],"name":"Confirmed","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"who","type":"address"}],"name":"Revoked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"old","type":"address"},{"indexed":true,"name":"current","type":"address"}],"name":"NewOwner","type":"event"}]
Contract Creation Code
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Deployed Bytecode
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Swarm Source
bzzr://ce78dc629099873e94d6439d2c41a0f4899c0758018c2cf1beee10bef96e7eed
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