DMC Mint logic

buckyos · Jan 8, 2024 · f498d3b · f498d3b
1 parent e47164b
commit f498d3b
Showing 1 changed file with 8 additions and 40 deletions.
diff --git a/contracts/exchange.sol b/contracts/exchange.sol
@@ -12,33 +12,9 @@ import "./gwt.sol";
 contract Exchange is Initializable, UUPSUpgradeable, OwnableUpgradeable {
  DMCToken dmcToken;
  GWTToken gwtToken;
- bytes32 luckyMintRoot;
- //mapping (address => bool) allow_dmcMint;
- mapping (bytes32 => bool) luckyHashUsed;
- mapping (address => uint256) mintAfter;
-
- uint mintAfterTime;
- /*
- modifier onlyMinter() {
- require(allow_dmcMint[msg.sender], "mint not allowed");
- _;
- }
-
- function enableDMCMint(address[] calldata addresses) public onlyOwner {
- for (uint i = 0; i < addresses.length; i++) {
- allow_dmcMint[addresses[i]] = true;
- }
- }
-
- function disableDMCMint(address[] calldata addresses) public onlyOwner {
- for (uint i = 0; i < addresses.length; i++) {
- allow_dmcMint[addresses[i]] = false;
- }
- }
- */
+ mapping (bytes32 => uint256) _mintDMC;
  function initialize(address _dmcToken, address _gwtToken) public initializer {
  __ExchangeUpgradable_init(_dmcToken, _gwtToken);
- mintAfterTime = 1 days;
  }
 
  function __ExchangeUpgradable_init(address _dmcToken, address _gwtToken) internal onlyInitializing {
@@ -52,10 +28,8 @@ contract Exchange is Initializable, UUPSUpgradeable, OwnableUpgradeable {
 
  }
 
-
-
- function setLuckyMintRoot(bytes32 _luckyMintRoot) public onlyOwner {
- luckyMintRoot = _luckyMintRoot;
+ function allowMintDMC(string calldata cookie, uint256 amount) public onlyOwner {
+ _mintDMC[keccak256(abi.encode(cookie))] = amount;
  }
 
  function gwtRate() public pure returns(uint256) {
@@ -75,16 +49,10 @@ contract Exchange is Initializable, UUPSUpgradeable, OwnableUpgradeable {
  dmcToken.transfer(msg.sender, dmcAmount);
  }
 
- function mintDMC(bytes32 luckyHash, bytes32[] calldata luckyPath) public /*onlyMinter*/ {
- require(mintAfter[msg.sender] < block.timestamp, "mint too often");
- if (luckyHash != bytes32(0) && MerkleProof.verify(luckyPath, luckyMintRoot, luckyHash)) {
- require(!luckyHashUsed[luckyHash], "lucky hash used");
- dmcToken.mint(msg.sender, 2100 * 10 ** dmcToken.decimals());
- luckyHashUsed[luckyHash] = true;
- } else {
- dmcToken.mint(msg.sender, 210 * 10 ** dmcToken.decimals());
- }
-
- mintAfter[msg.sender] = block.timestamp + mintAfterTime;
+ function mintDMC(string calldata cookie) public {
+ bytes32 cookieHash = keccak256(abi.encode(cookie));
+ require(_mintDMC[cookieHash] > 0, "cannot mint");
+ dmcToken.mint(msg.sender, _mintDMC[cookieHash]);
+ _mintDMC[cookieHash] = 0;
  }
 }