Create CommunityEngagement.sol

blockchain_integration/pi_network/features/decentralized-governance-and-community/CommunityEngagement.sol

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+pragma solidity ^0.8.0;
+
+import "./Governance.sol";
+
+contract CommunityEngagement {
+    using Governance for address;
+
+    // Mapping of community members
+    mapping (address => CommunityMember) public communityMembers;
+
+    // Struct to represent a community member
+    struct CommunityMember {
+        address member;
+        uint256 reputation;
+        uint256 contribution;
+    }
+
+    // Event emitted when a new community member joins
+    event NewCommunityMember(address indexed member);
+
+    // Event emitted when a community member contributes to the network
+    event ContributeToNetwork(address indexed member, uint256 contribution);
+
+    // Function to join the community
+    function joinCommunity() public {
+        CommunityMember storage member = communityMembers[msg.sender];
+        member.member = msg.sender;
+        member.reputation = 0;
+        member.contribution = 0;
+        emit NewCommunityMember(msg.sender);
+    }
+
+    // Function to contribute to the network
+    function contributeToNetwork(uint256 _contribution) public {
+        CommunityMember storage member = communityMembers[msg.sender];
+        member.contribution += _contribution;
+        emit ContributeToNetwork(msg.sender, _contribution);
+    }
+
+    // Function to get a community member's reputation
+    function getReputation(address _member) public view returns (uint256) {
+        CommunityMember storage member = communityMembers[_member];
+        return member.reputation;
+    }
+
+    // Function to get a community member's contribution
+    function getContribution(address _member) public view returns (uint256) {
+        CommunityMember storage member = communityMembers[_member];
+        return member.contribution;
+    }
+}