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Adding refresh UTXO feature

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The refresh UTXOs feature can be used to solve the Initialization error. 
The refresh UTXO feature combines all the UTXOs of the given FLO_ID into a single UTXO.
This commit is contained in:
Sai Raj 2019-06-06 12:40:43 +05:30 committed by GitHub
parent 61980a96ed
commit a27dc9ccd8
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 88 additions and 24 deletions
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112
FLO_torrentUploader.html
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@ -159,7 +159,7 @@
<body>
<div id="overlay">
<div id="overlay-content"></div></div></div>
<div id="overlay-content"></div>
</div>
<div class="torrent-upload">
@ -190,6 +190,12 @@
<input type="button" value="Upload Torrent " onclick="processFile()"/>
</form>
</div>
<div class="refreshUTXO" style="float:right">
<button onclick="refreshUTXOs()">Refresh UTXOs</button><br/>
<button onclick="decRefreshFee()" id="-">-</button>
<span id="refreshFee"></span>
<button onclick="incRefreshFee()" id="+">+</button>
</div>
</body>
<script>
const cryptocoin = "FLO"
@ -203,8 +209,23 @@
const sendAmt = 0.001;
const fee = 0.0005;
const splitfee = 0.001;
</script>
const incRate = 0.001;
var refreshfee = 0.001;
</script>
<script>
document.getElementById("refreshFee").innerHTML = refreshfee;
function incRefreshFee(){
refreshfee += incRate;
document.getElementById("refreshFee").innerHTML = refreshfee;
}
function decRefreshFee(){
refreshfee -= incRate;
if(refreshfee <= incRate)
refreshfee = incRate;
document.getElementById("refreshFee").innerHTML = refreshfee;
}
</script>
<script>
function ajax(method, uri){
var request = new XMLHttpRequest();
@ -389,28 +410,28 @@ function sendDataToBlockchain(floID,name,filename,type,description,tags,filesize
<script>
function splitUTXOs(sender,num,wif){
var trx = bitjs.transaction();
var utxoAmt = 0.0;
var response = ajax("GET",`api/addr/${sender}/utxo`);
var utxos = JSON.parse(response);
var splitAmt = sendAmt + fee;
var TotalAmt = splitAmt*(num+1);
for(var x = utxos.length-1; (x >= 0) && (utxoAmt < TotalAmt+splitfee); x--){
trx.addinput(utxos[x].txid, utxos[x].vout, utxos[x].scriptPubKey)
utxoAmt += utxos[x].amount;
}
if(utxoAmt < TotalAmt+splitfee){
alert("Insufficient balance!");
return false;
}
for(var i=0;i<=num;i++)
trx.addoutput(sender, splitAmt);
var change = utxoAmt-TotalAmt-splitfee;
if(change>0)
trx.addoutput(sender, change);
//trx.addflodata(data);
var signedTxHash = trx.sign(wif, 1);
return {scriptPubKey:utxos[0].scriptPubKey ,txid:broadcastTx(signedTxHash)};
var trx = bitjs.transaction();
var utxoAmt = 0.0;
var response = ajax("GET",`api/addr/${sender}/utxo`);
var utxos = JSON.parse(response);
var splitAmt = sendAmt + fee;
var TotalAmt = splitAmt*(num+1);
for(var x = utxos.length-1; (x >= 0) && (utxoAmt < TotalAmt+splitfee); x--){
trx.addinput(utxos[x].txid, utxos[x].vout, utxos[x].scriptPubKey)
utxoAmt += utxos[x].amount;
}
if(utxoAmt < TotalAmt+splitfee){
alert("Insufficient balance!");
return false;
}
for(var i=0;i<=num;i++)
trx.addoutput(sender, splitAmt);
var change = utxoAmt-TotalAmt-splitfee;
if(change>0)
trx.addoutput(sender, change);
//trx.addflodata(data);
var signedTxHash = trx.sign(wif, 1);
return {scriptPubKey:utxos[0].scriptPubKey ,txid:broadcastTx(signedTxHash)};
}
function sendTransaction(sender,receiver,utxo,vout,data,wif){
var trx = bitjs.transaction();
@ -420,6 +441,49 @@ function sendTransaction(sender,receiver,utxo,vout,data,wif){
var signedTxHash = trx.sign(wif, 1);
return broadcastTx(signedTxHash);
}
function refreshUTXOs(){
console.log("refreshUTXOs");
document.getElementById("overlay").style.display = "block";
var overlay = document.getElementById("overlay-content");
overlay.innerHTML="";
var floID = document.getElementById('floID').value;
var wif = prompt("Enter FLO private key (WIF) : ");
if(!verifyWIF(wif,floID)){
alert("Invalid Private Key!");
document.getElementById("overlay").style.display = "none";
return;
}
var loader = document.createElement("div");
loader.setAttribute("class","loader");
overlay.appendChild(loader);
var overlaytext = document.createElement("div");
overlaytext.innerHTML = 'Refreshing UTXOs';
overlay.appendChild(overlaytext);
var trx = bitjs.transaction();
var utxoAmt = 0.0;
var response = ajax("GET",`api/addr/${floID}/utxo`);
var utxos = JSON.parse(response);
for(var x = utxos.length-1; (x >= 0); x--){
trx.addinput(utxos[x].txid, utxos[x].vout, utxos[x].scriptPubKey)
utxoAmt += utxos[x].amount;
}
if(utxoAmt <= refreshfee){
alert("Insufficient Balance!");
document.getElementById("overlay").style.display = "none";
return;
}
var refreshAmt = utxoAmt - refreshfee;
trx.addoutput(floID, refreshAmt);
var signedTxHash = trx.sign(wif, 1);
var txid = broadcastTx(signedTxHash);
if(!txid)
alert(`Refresh Unsuccessful! Rise the refresh fee and Try again!`);
else
alert(`Refresh UTXO successful\ntxid:${txid}`);
document.getElementById("overlay").style.display = "none";
}
function broadcastTx(signedTxHash) {
var http = new XMLHttpRequest();
var url = `${server}/api/tx/send`;