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main.js
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main.js
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Web3=require('web3');
web3 = new Web3( new Web3.providers.HttpProvider("http://localhost:8545/") );
abi = JSON.parse('[{"constant":true,"inputs":[{"name":"","type":"uint256"}],"name":"proposals","outputs":[{"name":"text","type":"string"},{"name":"index","type":"uint256"},{"name":"upvotes","type":"uint256"},{"name":"downvotes","type":"uint256"},{"name":"totalvotes","type":"uint256"},{"name":"isImg","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"getCurrentUser","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"text","type":"string"}],"name":"proposeImg","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"text","type":"string"}],"name":"propose","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"pindex","type":"uint256"},{"name":"support","type":"uint256"}],"name":"vote","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"},{"name":"","type":"uint256"}],"name":"voted","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getNoOfProposals","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"admin","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"}]');
ethvote = web3.eth.contract(abi).at('0xaee3571575d210e68c0aa9bf1da550b1eb923367');
// curUser = ethvote.getCurrentUser.call();
curUser = web3.eth.accounts[2];
console.log("user: " + curUser);
var ind=parseInt(ethvote.getNoOfProposals.call())-1;
function addcard(chk)
{
ind+=1;
console.log(ind);
var card=document.createElement("div");
$(card).addClass("responsive").css({"float":"left","width":"21.5%","margin":"15px","box-shadow":"0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19)"}).appendTo("body");
var card2=document.createElement("div");
if(ind%2==0)
{
$(card2).addClass("gallary").css({"border-bottom":"2px solid #777","height":"250px","background-color":"#3ebcd6","color":"#fff","padding":"15px","text-align":"center"}).appendTo(card);
}
else
{
$(card2).addClass("gallary").css({"border-bottom":"2px solid #777","height":"250px","background-color":"#d13038","color":"#fff","padding":"15px","text-align":"center"}).appendTo(card);
}
if(chk==1)
{
var text=document.createElement("h3");
$(text).html(""+$("#proptext").val()).css({"word-wrap":"break-word","font-family":"'Raleway',sans-serif","font-weight":"550"}).appendTo(card2);
}
else if(chk==2)
{
var imagee=document.createElement("img");
var imgpath=""+$("#propphoto").val();
$(imagee).attr({"src":imgpath}).appendTo(card2);
$(imagee).css({"width":"100%","height":"100%"});
}
var votearea=document.createElement("div");
$(votearea).addClass("desc").attr({"index-data":""+ind}).css({"height":"40px"}).appendTo(card);
var like=document.createElement("img");
$(like).addClass("hotimg").attr("src","./assets/hot1.png").css({"height":"35px","width":"35px","cursor":"pointer","user-select":"none"}).appendTo(votearea);
var dislike=document.createElement("img");
$(dislike).addClass("notimg").attr("src","./assets/not2.png").css({"height":"35px","width":"35px","cursor":"pointer","user-select":"none"}).appendTo(votearea);
$(like).css({"margin-left":"28%","margin-right":"15%"});
//$(dislike).css({"margin-left":"60%"})
var numbers=document.createElement("div");
$(numbers).css({"height":"40px"}).appendTo(card);
var _ups=document.createElement("h3");
var _downs=document.createElement("h3");
$(_ups).html("0").css({"font-family":"'Raleway',sans-serif","font-weight":"600","font-size":"30px","float":"left"}).appendTo(numbers);
$(_downs).html("0").css({"font-family":"'Raleway',sans-serif","font-weight":"600","font-size":"30px"}).appendTo(numbers);
$(_ups).css({"margin-left":"32%","margin-right":"20%"});
var oldvote = parseInt(ethvote.voted.call(curUser,ind).c[0].toString());
if(oldvote == 1) {
console.log("already voted yes: " + ind);
} else if (oldvote == 2) {
console.log("already voted no: " + ind);
} else {
console.log("can vote: " + ind);
}
if(oldvote==1 || oldvote==2)
{
$(like).css({"visibility":"hidden"});
$(dislike).css({"visibility":"hidden"});
}
$(like).click(function(){
console.log("Balance: " + web3.eth.getBalance(curUser));
var pindex = parseInt($(this).parent().attr("index-data"));
console.log(pindex);
ethvote.vote(pindex,1, {from:curUser, gas:3000000});
voteReward();
var oldvote = parseInt(ethvote.voted.call(curUser,ind).c[0].toString());
if(oldvote==1 || oldvote==2)
{
$(like).css({"visibility":"hidden"});
$(dislike).css({"visibility":"hidden"});
}
location.reload(true);
});
$(dislike).click(function(){
var pindex = $(this).parent().attr("index-data");
console.log(pindex);
ethvote.vote(pindex,2, {from:curUser, gas:3000000});
voteReward();
var oldvote = parseInt(ethvote.voted.call(curUser,ind).c[0].toString());
if(oldvote==1 || oldvote==2)
{
$(like).css({"visibility":"hidden"});
$(dislike).css({"visibility":"hidden"});
}
location.reload(true);
});
//$(dislike).css({"margin-left":"60%"})
}
function proposalCharge()
{
var admin = ethvote.admin.call();
console.log("admin: " + admin);
web3.eth.sendTransaction({from: curUser, to: admin, value: ind*1000+1000});
alert((ind*1000+1000)+" weis deducted from your account! Thank You for submitting your proposal.")
}
function voteReward()
{
var admin = ethvote.admin.call();
console.log("admin: " + admin);
var bal = parseInt(web3.eth.getBalance(admin).c[0].toString());
console.log("balance: " + bal);
web3.eth.sendTransaction({from: admin, to: curUser, value:web3.toWei(0.000001*bal, "ether")});
alert("You got " + 0.000001*bal+ " ether from admin for liking/disliking the proposal. cheers!!");
}
function createProposal() {
text=$("#proptext").val();
ethvote.propose(text, {from: curUser, gas: 3000000});
proposalCharge();
addcard(1);
}
function convertToHex()
{
url=$("#propphoto").val();
const toDataURL = url => fetch(url)
.then(response => response.blob())
.then(blob => new Promise((resolve, reject) => {
const reader = new FileReader();
reader.onloadend = () => resolve(reader.result);
reader.onerror = reject;
reader.readAsDataURL(blob);
}));
toDataURL(url)
.then(dataUrl => {
console.log('RESULT:', dataUrl);
ethvote.proposeImg(dataUrl,{from: curUser, gas:3000000 });
addcard(2);
});
}
function loadcards( str, ups, downs,indx,check)
{
var card=document.createElement("div");
$(card).addClass("responsive").css({"float":"left","width":"21.5%","margin":"15px","box-shadow":"0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19)"}).appendTo("body");
var card2=document.createElement("div");
if(indx%2==0)
{
$(card2).addClass("gallary").css({"border-bottom":"2px solid #777","height":"250px","background-color":"#3ebcd6","color":"#fff","padding":"15px","text-align":"center"}).appendTo(card);
}
else
{
$(card2).addClass("gallary").css({"border-bottom":"2px solid #777","height":"250px","background-color":"#d13038","color":"#fff","padding":"15px","text-align":"center"}).appendTo(card);
}
if(check==1)
{
var text=document.createElement("h3");
$(text).html(""+str).css({"word-wrap":"break-word","font-family":"'Raleway',sans-serif","font-weight":"600"}).appendTo(card2);
}
else if(check==2)
{
var imagee=document.createElement("img");
$(imagee).attr({"src":str}).appendTo(card2);
$(imagee).css({"width":"100%","height":"100%"});
}
var votearea=document.createElement("div");
$(votearea).attr({"index-data":""+indx}).addClass("desc").css({"height":"40px"}).appendTo(card);
var like=document.createElement("img");
$(like).addClass("hotimg").attr("src","./assets/hot1.png").css({"height":"35px","width":"35px","cursor":"pointer","user-select":"none"}).appendTo(votearea);
var dislike=document.createElement("img");
$(dislike).addClass("notimg").attr("src","./assets/not2.png").css({"height":"35px","width":"35px","cursor":"pointer","user-select":"none"}).appendTo(votearea);
$(like).css({"margin-left":"28%","margin-right":"15%"});
var oldvote = parseInt(ethvote.voted.call(curUser,indx).c[0].toString());
if(oldvote == 1) {
console.log("already voted yes: " + indx);
} else if (oldvote == 2) {
console.log("already voted no: " + indx);
} else {
console.log("can vote: " + indx);
}
if(oldvote==1 || oldvote==2)
{
$(like).css({"visibility":"hidden"});
$(dislike).css({"visibility":"hidden"});
}
//$(dislike).css({"margin-left":"60%"})
var numbers=document.createElement("div");
$(numbers).css({"height":"40px"}).appendTo(card);
var _ups=document.createElement("h3");
var _downs=document.createElement("h3");
$(_ups).html(""+ups).css({"font-family":"'Raleway',sans-serif","font-weight":"600","font-size":"30px","float":"left"}).appendTo(numbers);
$(_downs).html(""+downs).css({"font-family":"'Raleway',sans-serif","font-weight":"600","font-size":"30px"}).appendTo(numbers);
$(_ups).css({"margin-left":"30%","margin-right":"20%"});
$(like).click(function(){
console.log("Balance: " + web3.eth.getBalance(curUser));
var pindex = parseInt($(this).parent().attr("index-data"));
console.log(pindex);
ethvote.vote(pindex,1, {from:curUser, gas:3000000});
voteReward();
var oldvote = parseInt(ethvote.voted.call(curUser,ind).c[0].toString());
if(oldvote==1 || oldvote==2)
{
$(like).css({"visibility":"hidden"});
$(dislike).css({"visibility":"hidden"});
}
location.reload(true);
});
$(dislike).click(function(){
var pindex = $(this).parent().attr("index-data");
ethvote.vote(pindex,2,{from:curUser,gas:3000000});
console.log(pindex);
voteReward();
var oldvote = parseInt(ethvote.voted.call(curUser,ind).c[0].toString());
if(oldvote==1 || oldvote==2)
{
$(like).css({"visibility":"hidden"});
$(dislike).css({"visibility":"hidden"});
}
location.reload(true);
});
}
function cardloader()
{
for (var j=0; j <parseInt(ethvote.getNoOfProposals.call()); j++) {
var prop=ethvote.proposals.call(j)[0].toString();
var upvts=ethvote.proposals.call(j)[2].c[0].toString();
var dwnvts=ethvote.proposals.call(j)[3].c[0].toString();
var check=ethvote.proposals.call(j)[5].c[0];
loadcards(prop,upvts,dwnvts,j,check);
}
}