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Private Name Tags
ContractCreator
Latest 9 from a total of 9 transactions
Transaction Hash |
Method
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Block
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Claim | 5399888 | 2182 days ago | IN | 0 ETH | 0.00504 | ||||
Claim | 5399732 | 2182 days ago | IN | 0 ETH | 0.00007592 | ||||
Claim | 5047239 | 2241 days ago | IN | 0 ETH | 0.00071705 | ||||
Claim | 5046740 | 2241 days ago | IN | 0 ETH | 0.00005736 | ||||
Claim | 5043992 | 2242 days ago | IN | 0 ETH | 0.00102885 | ||||
Claim | 5043970 | 2242 days ago | IN | 0 ETH | 0.00101311 | ||||
Claim | 5042117 | 2242 days ago | IN | 0 ETH | 0.00720005 | ||||
Add Balance | 5041773 | 2242 days ago | IN | 0.1 ETH | 0.00008596 | ||||
0x60606040 | 5041689 | 2242 days ago | IN | Create: Fermat | 0 ETH | 0.00192254 |
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Contract Name:
Fermat
Compiler Version
v0.4.18+commit.9cf6e910
Optimization Enabled:
No with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2018-02-06 */ pragma solidity ^0.4.18; /** * A contract that pays off, if a user is able to produce a valid solution * for the Fermat's last theorem */ contract Fermat { /** * The owner is the creator of the contract. * The owner will be able to withdraw the * bounty after the releaseTime has passed. * The release time is set to 17280000 seconds (= 200 days) * in the future from the timestamp of the contract creation */ address public owner = msg.sender; uint releaseTime = now + 17280000; /** * This function is used to increase the bounty */ function addBalance() public payable { } function getOwner() view public returns (address) { return owner; } /* * Returns the time when it is possible for the owner * to withdraw the deposited funds from the contract. */ function getReleaseTime() view public returns (uint) { return releaseTime; } /** * Allow the owner of the contract to * withdraw the bounty after the release time has passed */ function withdraw() public { require(msg.sender == owner); require(now >= releaseTime); msg.sender.transfer(this.balance); } function getBalance() view public returns (uint256) { return this.balance; } /** * The function that is used to claim the bounty. * If the caller is able to provide satisfying values for a,b,c and n * the balance of the contract (the bounty) is transferred to the caller */ function claim(uint256 a, uint256 b, uint256 c, uint256 n) public { uint256 value = solve(a, b, c, n); if (value == 0) { msg.sender.transfer(this.balance); } } /* * The "core" logic of the smart contract. * Calculates the equation with provided values for Fermat's last theorem. * Returns the value of a^n + b^n - c^n, n > 2 */ function solve(uint256 a, uint256 b, uint256 c, uint256 n) pure public returns (uint256) { assert(n > 2); assert(a > 0); assert(b > 0); assert(c > 0); uint256 aExp = power(a, n); uint256 bExp = power(b, n); uint256 cExp = power(c, n); uint256 sum = add(aExp, bExp); uint256 difference = sub(sum, cExp); return difference; } /* A safe way to handle exponentiation. Throws error on overflow. */ function power(uint256 a, uint256 pow) pure public returns (uint256) { assert(a > 0); assert(pow > 0); uint256 result = 1; if (a == 0) { return 1; } uint256 temp; for (uint256 i = 0; i < pow; i++) { temp = result * a; assert((temp / a) == result); result = temp; } return uint256(result); } /* A safe way to handle addition. Throws error on overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; assert(c >= a); return c; } /* A safe way to handle subtraction. Throws error on underflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"constant":true,"inputs":[],"name":"getBalance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"withdraw","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"getReleaseTime","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getOwner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"addBalance","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[{"name":"a","type":"uint256"},{"name":"b","type":"uint256"},{"name":"c","type":"uint256"},{"name":"n","type":"uint256"}],"name":"claim","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"a","type":"uint256"},{"name":"b","type":"uint256"},{"name":"c","type":"uint256"},{"name":"n","type":"uint256"}],"name":"solve","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"pure","type":"function"},{"constant":true,"inputs":[{"name":"a","type":"uint256"},{"name":"pow","type":"uint256"}],"name":"power","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"pure","type":"function"}]
Contract Creation Code
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Deployed Bytecode
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Swarm Source
bzzr://39fa60bfb461546cf57ce7598cd2657fe63a1140d254516f3bb663b179eec1b9
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Multichain Portfolio | 24 Chains
Chain | Token | Portfolio % | Price | Amount | Value |
---|---|---|---|---|---|
ETH | Ether (ETH) | 100.00% | $3,558.53 | 0.1 | $355.85 |
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