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Some improvements to the CFT smart contract

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Bazsalanszky 2022-12-06 18:38:46 +01:00
parent 888d9a8e55
commit 7b871ff9d6
No known key found for this signature in database
GPG Key ID: B40814F4EFE23F96
1 changed files with 3 additions and 11 deletions
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14
CCTF_Solutions_main/ctf.sol
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@ -13,7 +13,6 @@ contract CCTF9 is Verifier{
address public admin; address public admin;
uint256 public volStart; uint256 public volStart;
uint256 public volMaxPoints; uint256 public volMaxPoints;
uint256 public powDiff;
bool public started; bool public started;
enum PlayerStatus { enum PlayerStatus {
@ -56,10 +55,9 @@ contract CCTF9 is Verifier{
event FlagRemoved(uint256 indexed flagId); event FlagRemoved(uint256 indexed flagId);
event FlagSolved(uint256 indexed flagId, address indexed solver); event FlagSolved(uint256 indexed flagId, address indexed solver);
constructor(uint256 _volMaxPoints, uint256 _powDiff) { constructor(uint256 _volMaxPoints) {
admin = msg.sender; admin = msg.sender;
volMaxPoints = _volMaxPoints; volMaxPoints = _volMaxPoints;
powDiff = _powDiff;
started = false; started = false;
} }
@ -77,15 +75,9 @@ contract CCTF9 is Verifier{
emit FlagAdded(_flagId, _flagHash); emit FlagAdded(_flagId, _flagHash);
} }
function setPowDiff(uint256 _powDiff) external onlyAdmin {
powDiff = _powDiff;
}
function register(string memory _RTFM) external { function register(string memory _RTFM) external {
require(players[msg.sender].status == PlayerStatus.Unverified, 'Already registered or banned'); require(players[msg.sender].status == PlayerStatus.Unverified, 'Already registered or banned');
//uint256 pow = uint256(keccak256(abi.encodePacked("CCTF", msg.sender,"registration", nonce)));
//require(pow < powDiff, "invalid pow");
require(keccak256(abi.encodePacked('I_read_it')) == keccak256(abi.encodePacked(_RTFM))); // PoW can be used for harder challenges, this is Entry! require(keccak256(abi.encodePacked('I_read_it')) == keccak256(abi.encodePacked(_RTFM))); // PoW can be used for harder challenges, this is Entry!
players[msg.sender].status = PlayerStatus.Verified; players[msg.sender].status = PlayerStatus.Verified;
} }
@ -112,7 +104,7 @@ contract CCTF9 is Verifier{
inputs[8+i] = addr[i]; inputs[8+i] = addr[i];
} }
bool valid = verifyTx(p,inputs); bool valid = verifyTx(p,inputs);
assert(valid); require(valid, "Your proof is invalid");
Solves[msg.sender][_submitFor] = true; Solves[msg.sender][_submitFor] = true;
@ -128,7 +120,7 @@ contract CCTF9 is Verifier{
} }
function addressToUint32 (address _addr) public view returns (uint32[5] memory) function addressToUint32 (address _addr) public pure returns (uint32[5] memory)
{ {
uint256 targetUint = uint256(uint160(_addr)); uint256 targetUint = uint256(uint160(_addr));
uint32[5] memory addr = [uint32(targetUint/4294967296**4),uint32(targetUint/4294967296**3),uint32(targetUint/4294967296**2),uint32(targetUint/4294967296),uint32(targetUint)]; uint32[5] memory addr = [uint32(targetUint/4294967296**4),uint32(targetUint/4294967296**3),uint32(targetUint/4294967296**2),uint32(targetUint/4294967296),uint32(targetUint)];