comments and stuff
parent
7b871ff9d6
commit
22afd9e197
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@ -11,7 +11,6 @@ import "./verifier.sol";
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contract CCTF9 is Verifier{
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address public admin;
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uint256 public volStart;
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uint256 public volMaxPoints;
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bool public started;
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@ -61,34 +60,35 @@ contract CCTF9 is Verifier{
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started = false;
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}
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/// transfers the admin privilege to _admin address
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function setAdmin(address _admin) external onlyAdmin {
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require(_admin != address(0));
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admin = _admin;
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}
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/// can be used to set the status of the cctf to started or finished
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function setCCTFStatus(bool _started) external onlyAdmin {
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started = _started;
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}
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/// creates a new capturable flag according to the arguments
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function setFlag(uint256 _flagId,Hash memory _flagHash, bool _onlyFirstSolver, uint256 _points, string memory _skill) external onlyAdmin{
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flags[_flagId] = Flag(_flagHash, _onlyFirstSolver, _points, _skill);
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emit FlagAdded(_flagId, _flagHash);
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}
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function register(string memory _RTFM) external {
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/// registers the caller as a player
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function register() external {
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require(players[msg.sender].status == PlayerStatus.Unverified, 'Already registered or banned');
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require(keccak256(abi.encodePacked('I_read_it')) == keccak256(abi.encodePacked(_RTFM))); // PoW can be used for harder challenges, this is Entry!
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players[msg.sender].status = PlayerStatus.Verified;
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}
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/// sets the player's status either to Unverified, Verified or Banned
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function setPlayerStatus(address player, PlayerStatus status) external onlyAdmin {
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players[player].status = status;
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}
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////////// Submit flags
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mapping(bytes32 => bool) usedNs; // Against replay attack (we only check message signer)
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mapping (address => mapping (uint256 => bool)) Solves; // address -> challenge ID -> solved/not
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uint256 public submission_success_count = 0; // For statistics
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@ -104,9 +104,9 @@ contract CCTF9 is Verifier{
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inputs[8+i] = addr[i];
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}
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bool valid = verifyTx(p,inputs);
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require(valid, "Your proof is invalid");
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assert(valid);
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require(!Solves[msg.sender][_submitFor]); // can't submit the same flag multiple times
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Solves[msg.sender][_submitFor] = true;
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players[msg.sender].points += flags[_submitFor].points;
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players[msg.sender].points = players[msg.sender].points < volMaxPoints ? players[msg.sender].points : volMaxPoints;
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@ -119,11 +119,15 @@ contract CCTF9 is Verifier{
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emit FlagSolved(_submitFor, msg.sender);
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}
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/// maps an address to unsigned int
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function addressToUint32 (address _addr) public pure returns (uint32[5] memory)
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{
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uint256 targetUint = uint256(uint160(_addr));
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uint32[5] memory addr = [uint32(targetUint/4294967296**4),uint32(targetUint/4294967296**3),uint32(targetUint/4294967296**2),uint32(targetUint/4294967296),uint32(targetUint)];
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uint32[5] memory addr = [uint32(targetUint/4294967296**4),
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uint32(targetUint/4294967296**3),
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uint32(targetUint/4294967296**2),
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uint32(targetUint/4294967296),
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uint32(targetUint)];
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return addr;
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}
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@ -143,4 +147,4 @@ contract CCTF9 is Verifier{
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function getFlag(uint256 id) external view returns (Flag memory) {
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return flags[id];
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}
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}
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}
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