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DEX HOLD

ca : EzztypaDEeUtmuUE2VMfZHW6LJVLksDRnmcJH5s5moon

Smart Contract Structure (Solidity Example)

solidity

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// SPDX-License-Identifier: MITpragma solidity ^0.8.0;
import "@openzeppelin/contracts/token/ERC20/ERC20.sol"; // Standard ERC-20 tokenimport "@openzeppelin/contracts/access/Ownable.sol"; // For basic owner control
contract MemeCoinStability is ERC20, Ownable {    // Variables    uint256 public constant BURN_INTERVAL = 30 days; // 30 days between burns    uint256 public lastBurnTimestamp; // Time of the last burn    uint256 public accumulatedFees; // Accumulated fees    uint256 public burnPercentage = 2; // Initial burn percentage (2%)        // Structure for change proposals    struct Proposal {        uint256 newBurnPercentage; // Proposed new percentage        uint256 votesFor; // Votes in favor        uint256 votesAgainst; // Votes against        bool executed; // Whether the proposal has been executed        uint256 deadline; // Voting deadline    }
       mapping(uint256 => Proposal) public proposals; // Proposals by ID    uint256 public proposalCount; // Number of proposals    mapping(address => mapping(uint256 => bool)) public hasVoted; // Who has voted
    // Events for transparency    event TokensBurned(uint256 amount, uint256 timestamp);    event ProposalCreated(uint256 proposalId, uint256 newBurnPercentage, uint256 deadline);    event Voted(address voter, uint256 proposalId, bool inFavor);    event ProposalExecuted(uint256 proposalId, uint256 newBurnPercentage);
    constructor() ERC20("MemeCoin", "MEME") {        _mint(msg.sender, 1000000 * 10**18); // Initial token supply (1M with 18 decimals)        lastBurnTimestamp = block.timestamp;
   }

    // Function to collect fees (assumes the network sends fees here)    function collectFees() external payable {        accumulatedFees += msg.value; // Assumes fees are in native currency (ETH/BNB)    }

    // Function for automatic burning    function burnFees() external {        require(block.timestamp >= lastBurnTimestamp + BURN_INTERVAL, "Too early for burn");                uint256 burnAmount = (accumulatedFees * burnPercentage) / 100; // 2% of fees        require(burnAmount > 0, "No fees to burn");
        accumulatedFees -= burnAmount;        _burn(address(this), burnAmount); // Burn tokens from the contract
        lastBurnTimestamp = block.timestamp;        emit TokensBurned(burnAmount, block.timestamp);    }

    // Creating a proposal to change the burn percentage    function createProposal(uint256 _newBurnPercentage) external {        require(_newBurnPercentage <= 100, "Invalid percentage");                proposalCount++;        proposals[proposalCount] = Proposal({            newBurnPercentage: _newBurnPercentage,            votesFor: 0,            votesAgainst: 0,            executed: false,            deadline: block.timestamp + 7 days // 7 days for voting        });
        emit ProposalCreated(proposalCount, _newBurnPercentage, block.timestamp + 7 days);    }

    // Voting on a proposal    function vote(uint256 _proposalId, bool _inFavor) external {        Proposal storage proposal = proposals[_proposalId];        require(block.timestamp <= proposal.deadline, "Voting closed");        require(!hasVoted[msg.sender][_proposalId], "Already voted");
        uint256 voterBalance = balanceOf(msg.sender);        require(voterBalance > 0, "No voting power");
        hasVoted[msg.sender][_proposalId] = true;        if (_inFavor) {            proposal.votesFor += voterBalance;        } else {            proposal.votesAgainst += voterBalance;
       }

        emit Voted(msg.sender, _proposalId, _inFavor);    }

    // Executing a proposal after voting    function executeProposal(uint256 _proposalId) external {        Proposal storage proposal = proposals[_proposalId];        require(block.timestamp > proposal.deadline, "Voting still active");        require(!proposal.executed, "Already executed");
        uint256 totalVotes = proposal.votesFor + proposal.votesAgainst;        uint256 totalSupplyNow = totalSupply();        require(totalVotes > totalSupplyNow / 2, "Not enough votes"); // More than 50% of total supply
        if (proposal.votesFor > proposal.votesAgainst) {            burnPercentage = proposal.newBurnPercentage; // Update percentage            proposal.executed = true;            emit ProposalExecuted(_proposalId, proposal.newBurnPercentage);        } else {            proposal.executed = true; // Proposal rejected but marked as executed        }
   }

    // Function to display status (transparency)    function getBurnInfo() external view returns (uint256, uint256, uint256) {        return (accumulatedFees, burnPercentage, lastBurnTimestamp);
   }

}

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