Contract Overview
Balance:
0 CELO
CELO Value:
$0.00
My Name Tag:
Not Available, login to update
Txn Hash | Method |
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0xcc826bdd23427740dbc04ca882f926e3b515d7ce3f930e93222744abc78132f1 | Certify | 18098904 | 20 days 17 hrs ago | 0x897b1422f6cac687a1eb09ae0d02185f5ff62560 | IN | 0x2c57dc747c0af6550d6429ee6c10befcf119fb03 | 1 CELO | 0.00672395 | |
0x467c17e4b46dd30a0de7dc138762116cb19b9cf34c7dccc2ad6024cc492bd008 | Certify | 18097923 | 20 days 19 hrs ago | 0xbd82a7f6368de87159a140feafe49cb04a784269 | IN | 0x2c57dc747c0af6550d6429ee6c10befcf119fb03 | 1 CELO | 0.001630758 | |
0x2acdc6a3fd1bcc971ca016b94fe31ce04eb3dd140ba774bd8401fa6a20651f75 | 0x60806040 | 18097145 | 20 days 20 hrs ago | 0xbd82a7f6368de87159a140feafe49cb04a784269 | IN | Create: CertiBits | 0 CELO | 0.025789475 |
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Latest 2 internal transactions
Parent Txn Hash | Block | From | To | Value | |||
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0xcc826bdd23427740dbc04ca882f926e3b515d7ce3f930e93222744abc78132f1 | 18098904 | 20 days 17 hrs ago | 0x2c57dc747c0af6550d6429ee6c10befcf119fb03 | 0xbd82a7f6368de87159a140feafe49cb04a784269 | 1 CELO | ||
0x467c17e4b46dd30a0de7dc138762116cb19b9cf34c7dccc2ad6024cc492bd008 | 18097923 | 20 days 19 hrs ago | 0x2c57dc747c0af6550d6429ee6c10befcf119fb03 | 0xbd82a7f6368de87159a140feafe49cb04a784269 | 1 CELO |
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Contract Source Code Verified (Exact Match)
Contract Name:
CertiBits
Compiler Version
v0.8.18+commit.87f61d96
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol) pragma solidity ^0.8.0; import "../utils/Context.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _transferOwnership(_msgSender()); } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { require(owner() == _msgSender(), "Ownable: caller is not the owner"); } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } }
// SPDX-License-Identifier: MIT pragma solidity >=0.7.0 <0.9.0; import "@openzeppelin/contracts/access/Ownable.sol"; interface IERC20Votes { function mint(address to, uint256 amount) external; } contract CertiBits is Ownable { IERC20Votes TokenBits; uint public totalCertiBits; uint256 public bonusReward; //Amount of Tokens for reward struct signature{ address signer; string sign_data; } mapping (string => signature[]) hash2SignaturesList; mapping (address => string[]) address2SignaturesList; mapping (address => mapping(string => bool)) address2hashstate; mapping (address => uint) pubkey2IDu; mapping (address => bool) public address2state; mapping (address => uint) signatures; event newRewardValue(uint256 _rewardAmount); constructor (IERC20Votes _TokenBitsAddress, uint256 _bonusReward) { TokenBits = _TokenBitsAddress; bonusReward = _bonusReward; } function changeTokenAddress(IERC20Votes _newTokenBits) public onlyOwner { TokenBits = _newTokenBits; } function setReward (uint256 _rewardAmount) public onlyOwner { bonusReward = _rewardAmount; emit newRewardValue(_rewardAmount); } function Certify(string memory _hash, string memory _data) payable public { require(!address2hashstate[msg.sender][_hash],"Address already signed these hash"); require(msg.value>=1 ether, "min payment for certi is 1 Celo"); payable(owner()).transfer(msg.value); address2hashstate[msg.sender][_hash]=true; hash2SignaturesList[_hash].push(signature(msg.sender, _data)); address2SignaturesList[_msgSender()].push(_hash); totalCertiBits++; TokenBits.mint(msg.sender,bonusReward); } function validateHash(string memory _hash) public view returns(signature[] memory) { return (hash2SignaturesList[_hash]); } function mySignatures() public view returns(string[] memory) { return (address2SignaturesList[_msgSender()]); } function validateSingleHash(string memory _hash, uint _i) public view returns(address, string memory) { return (hash2SignaturesList[_hash][_i].signer,hash2SignaturesList[_hash][_i].sign_data); } function mySingleSignature(uint _i) public view returns(string memory) { return (address2SignaturesList[_msgSender()][_i]); } function validateHashLength(string memory _hash) public view returns(uint) { return (hash2SignaturesList[_hash].length); } function mySignaturesLength() public view returns(uint) { return (address2SignaturesList[_msgSender()].length); } }
{ "optimizer": { "enabled": true, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "metadata": { "useLiteralContent": true }, "libraries": {} }
[{"inputs":[{"internalType":"contract IERC20Votes","name":"_TokenBitsAddress","type":"address"},{"internalType":"uint256","name":"_bonusReward","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"_rewardAmount","type":"uint256"}],"name":"newRewardValue","type":"event"},{"inputs":[{"internalType":"string","name":"_hash","type":"string"},{"internalType":"string","name":"_data","type":"string"}],"name":"Certify","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"address2state","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"bonusReward","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20Votes","name":"_newTokenBits","type":"address"}],"name":"changeTokenAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"mySignatures","outputs":[{"internalType":"string[]","name":"","type":"string[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"mySignaturesLength","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_i","type":"uint256"}],"name":"mySingleSignature","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_rewardAmount","type":"uint256"}],"name":"setReward","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"totalCertiBits","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_hash","type":"string"}],"name":"validateHash","outputs":[{"components":[{"internalType":"address","name":"signer","type":"address"},{"internalType":"string","name":"sign_data","type":"string"}],"internalType":"struct CertiBits.signature[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"_hash","type":"string"}],"name":"validateHashLength","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"_hash","type":"string"},{"internalType":"uint256","name":"_i","type":"uint256"}],"name":"validateSingleHash","outputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"}]
Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
00000000000000000000000054d354f2ddc369e2250c2a460b52219f69c6335d0000000000000000000000000000000000000000000000056bc75e2d63100000
-----Decoded View---------------
Arg [0] : _TokenBitsAddress (address): 0x54d354f2ddc369e2250c2a460b52219f69c6335d
Arg [1] : _bonusReward (uint256): 100000000000000000000
-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 00000000000000000000000054d354f2ddc369e2250c2a460b52219f69c6335d
Arg [1] : 0000000000000000000000000000000000000000000000056bc75e2d63100000
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