mirror of
https://git.wownero.com/wownero/onion-wownero-blockchain-explorer.git
synced 2024-08-15 00:33:12 +00:00
decoding encrypted payment id using js added
This commit is contained in:
parent
098949ff80
commit
ac23814b1d
2 changed files with 57 additions and 54 deletions
|
@ -2185,6 +2185,23 @@ var cnUtil = (function(initConfig) {
|
|||
}
|
||||
};
|
||||
|
||||
|
||||
//decode amount and mask and check against commitment
|
||||
// from https://xmr.llcoins.net/js/site.js
|
||||
// from https://xmr.llcoins.net/js/site.js
|
||||
this.decodeRct = function(rv, i, der){
|
||||
var key = derivation_to_scalar(der, i);
|
||||
var ecdh = decode_rct_ecdh(rv.ecdhInfo[i], key);
|
||||
//console.log(ecdh);
|
||||
var Ctmp = commit(ecdh.amount, ecdh.mask);
|
||||
//console.log(Ctmp);
|
||||
if (Ctmp !== rv.outPk[i]){
|
||||
throw "mismatched commitments!";
|
||||
}
|
||||
ecdh.amount = s2d(ecdh.amount);
|
||||
return ecdh;
|
||||
};
|
||||
|
||||
function assert(stmt, val) {
|
||||
if (!stmt) {
|
||||
throw "assert failed" + (val !== undefined ? ': ' + val : '');
|
||||
|
|
|
@ -8,12 +8,12 @@
|
|||
<H5 style="margin:5px">Tx public key: <span id="tx_pub_key">{{tx_pub_key}}</span></H5>
|
||||
|
||||
{{#has_payment_id}}
|
||||
<H5 style="margin:5px">Payment id: {{payment_id}}</H5>
|
||||
<H5 style="margin:5px">Payment id: <span id="payment_id">{{payment_id}}</span></H5>
|
||||
<H5 style="margin:5px">Payment id as ascii: {{payment_id_as_ascii}}</H5>
|
||||
{{/has_payment_id}}
|
||||
|
||||
{{#has_payment_id8}}
|
||||
<H5 style="margin:5px">Payment id (encrypted): {{payment_id8}}</H5>
|
||||
<H5 style="margin:5px">Payment id (encrypted): <span id="payment_id">{{payment_id8}}</span></H5>
|
||||
{{/has_payment_id8}}
|
||||
|
||||
|
||||
|
@ -154,7 +154,7 @@
|
|||
{{#enable_js}}
|
||||
|
||||
<!-- to disply results from deconding and proving txs using js -->
|
||||
<div id="decode-prove-results" class="center" style="width: 80%; margin-top:10px">
|
||||
<div id="decode-prove-results" class="center" style="width: 80%; margin-top:10px;border-style: dotted">
|
||||
|
||||
</div>
|
||||
|
||||
|
@ -172,15 +172,22 @@
|
|||
|
||||
var tx_public_key = $("#tx_pub_key").text();
|
||||
|
||||
var payment_id = $("#payment_id").text();
|
||||
|
||||
|
||||
$("#decode_btn").click(function() {
|
||||
|
||||
var address = $("input[name=xmr_address]").val();
|
||||
var viewkey = $("input[name=viewkey]").val();
|
||||
|
||||
if (!address || !viewkey) {
|
||||
$("#decode-prove-results").html("<h4>Address or viewkey key not provided!</h4>");
|
||||
return;
|
||||
}
|
||||
|
||||
var address_decoded = decode_address(address);
|
||||
|
||||
decodeOutputs(tx_json, tx_public_key, viewkey, address_decoded.spend);
|
||||
decodeOutputs(tx_json, tx_public_key, viewkey, address_decoded.spend, payment_id);
|
||||
|
||||
});
|
||||
|
||||
|
@ -189,15 +196,20 @@
|
|||
var address = $("input[name=xmraddress]").val();
|
||||
var tx_prv_key = $("input[name=txprvkey]").val();
|
||||
|
||||
if (!address || !tx_prv_key) {
|
||||
$("#decode-prove-results").html("<h4>Address or tx private key not provided!</h4>");
|
||||
return;
|
||||
}
|
||||
|
||||
var address_decoded = decode_address(address);
|
||||
|
||||
decodeOutputs(tx_json, address_decoded.view, tx_prv_key, address_decoded.spend);
|
||||
decodeOutputs(tx_json, address_decoded.view, tx_prv_key, address_decoded.spend, payment_id);
|
||||
|
||||
});
|
||||
|
||||
});
|
||||
|
||||
function decodeOutputs(tx_json, pub_key, sec_key, address_pub_key) {
|
||||
function decodeOutputs(tx_json, pub_key, sec_key, address_pub_key, payment_id) {
|
||||
//console.log(tx_json);
|
||||
|
||||
var is_rct = (tx_json.version === 2);
|
||||
|
@ -209,10 +221,17 @@
|
|||
|
||||
|
||||
// go over each tx output, and check if it is ours or not
|
||||
var decoding_results_str = '<h4>Output decoding results</h4>';
|
||||
var decoding_results_str = '<h3>Output decoding results</h3>';
|
||||
|
||||
decoding_results_str += '<table class="center">';
|
||||
|
||||
decoding_results_str += '<tr>' +
|
||||
'<td></td>' +
|
||||
'<td>output public key</td>' +
|
||||
'<td>amount</td>' +
|
||||
'<td>output match?</td>' +
|
||||
'</tr>';
|
||||
|
||||
var output_idx = 0;
|
||||
|
||||
var sum_outptus = 0;
|
||||
|
@ -257,59 +276,26 @@
|
|||
output_idx++;
|
||||
});
|
||||
|
||||
decoding_results_str += "</table>"
|
||||
decoding_results_str += "</table>";
|
||||
|
||||
decoding_results_str += "<h3>Sum XMR from matched outputs (i.e., incoming XMR): " + (sum_outptus / 1e12) + "</h3>"
|
||||
|
||||
|
||||
// decrypt payment_id8 which results in using
|
||||
// integrated address
|
||||
if (payment_id.length == 16) {
|
||||
if (pub_key) {
|
||||
var decrypted_payment_id8
|
||||
= decrypt_payment_id(payment_id, pub_key, sec_key);
|
||||
console.log("decrypted_payment_id8: " + decrypted_payment_id8);
|
||||
decoding_results_str += "<h5>Decrypted payment id: " + decrypted_payment_id8 + "</h5>"
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
$("#decode-prove-results").html(decoding_results_str);
|
||||
}
|
||||
|
||||
//decode amount and mask and check against commitment
|
||||
// from https://xmr.llcoins.net/js/site.js
|
||||
|
||||
var H = "8b655970153799af2aeadc9ff1add0ea6c7251d54154cfa92c173a0dd39c1f94";
|
||||
|
||||
// from https://xmr.llcoins.net/js/site.js
|
||||
function decodeRct(rv, i, der){
|
||||
var key = derivation_to_scalar(der, i);
|
||||
var ecdh = decode_rct_ecdh(rv.ecdhInfo[i], key);
|
||||
//console.log(ecdh);
|
||||
var Ctmp = commit(ecdh.amount, ecdh.mask);
|
||||
//console.log(Ctmp);
|
||||
if (Ctmp !== rv.outPk[i]){
|
||||
throw "mismatched commitments!";
|
||||
}
|
||||
ecdh.amount = s2d(ecdh.amount);
|
||||
return ecdh;
|
||||
}
|
||||
|
||||
//creates a Pedersen commitment from an amount (in scalar form) and a mask
|
||||
//C = bG + aH where b = mask, a = amount
|
||||
// from https://xmr.llcoins.net/js/site.js
|
||||
function commit(amount, mask){
|
||||
if (!valid_hex(mask) || mask.length !== 64 || !valid_hex(amount) || amount.length !== 64){
|
||||
throw "invalid amount or mask!";
|
||||
}
|
||||
var C = ge_double_scalarmult_base_vartime(amount, H, mask);
|
||||
return C;
|
||||
}
|
||||
|
||||
// // from https://xmr.llcoins.net/js/site.js
|
||||
function s2d(scalar){
|
||||
return JSBigInt.parse(swapEndian(scalar), 16).toString();
|
||||
}
|
||||
|
||||
//switch byte order for hex string
|
||||
// from https://xmr.llcoins.net/js/site.js
|
||||
function swapEndian(hex){
|
||||
if (hex.length % 2 !== 0){return "length must be a multiple of 2!";}
|
||||
var data = "";
|
||||
for (var i=1; i <= hex.length / 2; i++){
|
||||
data += hex.substr(0 - 2 * i, 2);
|
||||
}
|
||||
return data;
|
||||
}
|
||||
|
||||
</script>
|
||||
|
||||
{{/enable_js}}
|
||||
|
|
Loading…
Reference in a new issue