984_IP_LP3_Blockchain

IP_LP3_Blockchain_Riya_Gupta_984/bs-config.json

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+{
+  "server": {
+    "baseDir": ["./src", "./build/contracts"]
+  }
+}

IP_LP3_Blockchain_Riya_Gupta_984/contracts/Election.sol

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+pragma solidity ^0.5.16;
+
+contract Election {
+	// Model a candidate
+	struct Candidate {
+		uint id;
+		string name;
+		uint voteCount;
+	}
+
+	 mapping(address => bool) public voters;
+	// Store Candidates
+	// Fetch Candidate
+	mapping(uint => Candidate) public candidates;
+	// Store Candidates Count
+	uint public candidatesCount;
+
+	 event votedEvent (
+        uint indexed _candidateId
+    );
+
+	constructor() public {
+        addCandidate(" Candidate 1");
+        addCandidate(" Candidate 2");
+    }
+
+    function addCandidate (string memory _name) private {
+    candidatesCount ++;
+    candidates[candidatesCount] = Candidate(candidatesCount, _name, 0);
+    }  
+
+     function vote (uint _candidateId) public {
+        // require that they haven't voted before
+        require(!voters[msg.sender]);
+
+        // require a valid candidate
+        require(_candidateId > 0 && _candidateId <= candidatesCount);
+
+        // record that voter has voted
+        voters[msg.sender] = true;
+
+        // update candidate vote Count
+        candidates[_candidateId].voteCount ++;
+
+        // trigger voted event
+        emit votedEvent(_candidateId);
+    }
+}

IP_LP3_Blockchain_Riya_Gupta_984/contracts/Migrations.sol

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+pragma solidity >=0.4.21 <0.7.0;
+
+contract Migrations {
+  address public owner;
+  uint public last_completed_migration;
+
+  modifier restricted() {
+    if (msg.sender == owner) _;
+  }
+
+  constructor() public {
+    owner = msg.sender;
+  }
+
+  function setCompleted(uint completed) public restricted {
+    last_completed_migration = completed;
+  }
+}

IP_LP3_Blockchain_Riya_Gupta_984/migrations/1_initial_migration.js

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+var Migrations = artifacts.require("./Migrations.sol");
+
+module.exports = function(deployer) {
+  deployer.deploy(Migrations);
+};

IP_LP3_Blockchain_Riya_Gupta_984/migrations/2_deploy_contracts.js

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+var Election = artifacts.require("./Election.sol");
+
+module.exports = function(deployer) {
+  deployer.deploy(Election);
+};