// Sources flattened with hardhat v2.6.6 https://hardhat.org
// File @openzeppelin/contracts/utils/Context.sol@v4.3.2
// SPDX-License-Identifier: UNLICENSED
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;
}
}
// File @openzeppelin/contracts/access/Ownable.sol@v4.3.2
pragma solidity ^0.8.0;
/**
* @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() {
_setOwner(_msgSender());
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
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 {
_setOwner(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");
_setOwner(newOwner);
}
function _setOwner(address newOwner) private {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
// File contracts/base/ActionLogs.sol
pragma solidity ^0.8.4;
contract ActionLogs is Ownable {
event LogAction(
address indexed userCall,
uint256 userId,
uint256 actionId,
uint256 fishedTime
);
mapping(address => bool) public signers;
constructor() {
signers[msg.sender] = true;
}
function logAction(
uint256 userId,
uint256 actionId,
uint256 fishedTime,
bytes calldata signature
) external {
bytes32 _msgHash = keccak256(
abi.encodePacked(
"\x19Ethereum Signed Message:\n32",
keccak256(
abi.encodePacked(
"SA_LOG_ACTION",
userId,
actionId,
fishedTime
)
)
)
);
address signer = getSigner(_msgHash, signature);
require(signers[signer], "SA: invalid signer");
emit LogAction(msg.sender, userId, actionId, fishedTime);
}
function addSigner(address _signer) external onlyOwner {
require(
_signer != address(0) && !signers[_signer],
"SA: invalid address"
);
signers[_signer] = true;
}
function removeSigner(address _signer) external onlyOwner {
require(
_signer != address(0) && signers[_signer],
"SA: invalid address"
);
signers[_signer] = false;
}
function getSigner(
bytes32 msgHash,
bytes memory _signature
) private pure returns (address) {
(bytes32 r, bytes32 s, uint8 v) = splitSignature(_signature);
return ecrecover(msgHash, v, r, s);
}
function splitSignature(
bytes memory signature
) private pure returns (bytes32 r, bytes32 s, uint8 v) {
require(signature.length == 65, "SA: invalid signature length");
assembly {
r := mload(add(signature, 32))
s := mload(add(signature, 64))
v := byte(0, mload(add(signature, 96)))
}
}
}
{
"compilationTarget": {
"ActionLogs.sol": "ActionLogs"
},
"evmVersion": "istanbul",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": false,
"runs": 200
},
"remappings": []
}
[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"userCall","type":"address"},{"indexed":false,"internalType":"uint256","name":"userId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"actionId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"fishedTime","type":"uint256"}],"name":"LogAction","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[{"internalType":"address","name":"_signer","type":"address"}],"name":"addSigner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"userId","type":"uint256"},{"internalType":"uint256","name":"actionId","type":"uint256"},{"internalType":"uint256","name":"fishedTime","type":"uint256"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"logAction","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_signer","type":"address"}],"name":"removeSigner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"signers","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]