diff --git a/Voting.sol b/Voting.sol
new file mode 100644
index 0000000..28b527f
--- /dev/null
+++ b/Voting.sol
@@ -0,0 +1,47 @@
+pragma solidity ^0.4.6;
+// We have to specify what version of compiler this code will compile with
+
+contract Voting {
+ /* mapping field below is equivalent to an associative array or hash.
+ The key of the mapping is candidate name stored as type bytes32 and value is
+ an unsigned integer to store the vote count
+ */
+
+ mapping (bytes32 => uint8) public votesReceived;
+
+ /* Solidity doesn't let you pass in an array of strings in the constructor (yet).
+ We will use an array of bytes32 instead to store the list of candidates
+ */
+
+ bytes32[] public candidateList;
+
+ /* This is the constructor which will be called once when you
+ deploy the contract to the blockchain. When we deploy the contract,
+ we will pass an array of candidates who will be contesting in the election
+ */
+ function Voting(bytes32[] candidateNames) {
+ candidateList = candidateNames;
+ }
+
+ // This function returns the total votes a candidate has received so far
+ function totalVotesFor(bytes32 candidate) returns (uint8) {
+ if (validCandidate(candidate) == false) throw;
+ return votesReceived[candidate];
+ }
+
+ // This function increments the vote count for the specified candidate. This
+ // is equivalent to casting a vote
+ function voteForCandidate(bytes32 candidate) {
+ if (validCandidate(candidate) == false) throw;
+ votesReceived[candidate] += 1;
+ }
+
+ function validCandidate(bytes32 candidate) returns (bool) {
+ for(uint i = 0; i < candidateList.length; i++) {
+ if (candidateList[i] == candidate) {
+ return true;
+ }
+ }
+ return false;
+ }
+}
diff --git a/index.html b/index.html
index b05205f..d3b5ecc 100644
--- a/index.html
+++ b/index.html
@@ -1,126 +1,41 @@
-
-
-
- COUNTER
-
-
-
-
-
+
+
+
+ Hello World DApp
+
+
-
-
- //여기 넣어야함
- 사용자명:
- 패스워드:
-
-
-
-
-
-
name
-
number of counter
-
-
-
-
-
-
+
+
A Simple Hello World Voting Application
+
+
+
+
+
Candidate
+
Votes
+
+
+
+
+
Donggil
+
+
+
+
SSONG
+
+
+
+
LEE
+
+
+
+
+
+
+ Vote
+
+
+
diff --git a/index.js b/index.js
new file mode 100644
index 0000000..b324c2c
--- /dev/null
+++ b/index.js
@@ -0,0 +1,23 @@
+web3 = new Web3(new Web3.providers.HttpProvider("http://localhost:8545"));
+abi = JSON.parse('[{"constant":false,"inputs":[{"name":"candidate","type":"bytes32"}],"name":"totalVotesFor","outputs":[{"name":"","type":"uint8"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"candidate","type":"bytes32"}],"name":"validCandidate","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"","type":"bytes32"}],"name":"votesReceived","outputs":[{"name":"","type":"uint8"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"x","type":"bytes32"}],"name":"bytes32ToString","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"","type":"uint256"}],"name":"candidateList","outputs":[{"name":"","type":"bytes32"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"candidate","type":"bytes32"}],"name":"voteForCandidate","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"contractOwner","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"inputs":[{"name":"candidateNames","type":"bytes32[]"}],"payable":false,"type":"constructor"}]')
+VotingContract = web3.eth.contract(abi);
+// In your nodejs console, execute contractInstance.address to get the address at which the contract is deployed and change the line below to use your deployed address
+contractInstance = VotingContract.at('0xc0b565f68449f7ecc56fad4bbb5e157844a09898');
+candidates = {"Donggil": "candidate-1", "SSONG": "candidate-2", "LEE": "candidate-3"}
+
+function voteForCandidate(candidate) {
+ candidateName = $("#candidate").val();
+ contractInstance.voteForCandidate(candidateName, {from: web3.eth.accounts[0]}, function() {
+ let div_id = candidates[candidateName];
+ $("#" + div_id).html(contractInstance.totalVotesFor.call(candidateName).toString());
+ });
+}
+
+$(document).ready(function() {
+ candidateNames = Object.keys(candidates);
+ for (var i = 0; i < candidateNames.length; i++) {
+ let name = candidateNames[i];
+ let val = contractInstance.totalVotesFor.call(name).toString()
+ $("#" + candidates[name]).html(val);
+ }
+});