Vanity address generator

Also don't generate a new seed when switching languages
This commit is contained in:
moneromooo-monero 2015-06-21 15:33:48 +01:00
parent ecac2b6d3d
commit bcf4197aab

View file

@ -2121,6 +2121,24 @@ var cnUtil = (function(initConfig) {
return keys;
};
this.create_address_if_prefix = function(seed, prefix) {
var keys = {};
var first;
if (seed.length !== 64) {
first = this.keccak(seed, seed.length / 2, 32);
} else {
first = seed;
}
keys.spend = this.generate_keys(first);
public_addr = this.pubkeys_to_string(keys.spend.pub, "");
if (public_addr.toUpperCase().slice(0, prefix.length) != prefix.toUpperCase())
return null;
var second = this.keccak(keys.spend.sec, 32, 32);
keys.view = this.generate_keys(second);
keys.public_addr = this.pubkeys_to_string(keys.spend.pub, keys.view.pub);
return keys;
};
this.create_addr_prefix = function(seed) {
var first;
if (seed.length !== 64) {
@ -3645,6 +3663,16 @@ This is your new Monero wallet:
<form><input type="button" onclick="js:genwallet(null);" value="Generate another wallet" action=""/></form>
</center>
</p>
<p>
<center>
<form>
<input type="button" onclick="js:genwallet_prefix();" value="Generate wallet with prefix" action="" id="gen_prefix_widget"/>
<input type="text" value="4" id="prefix_widget"/>
<br>
<font size="-1">(very slow for more than a few characters, no check for valid prefixes)</font>
</form>
</center>
</p>
<p>
<center>
<form>
@ -3757,13 +3785,16 @@ place any email address in a new GPG key, so the right email being shown is no g
<script>
current_lang='english';
keys = null;
function genwallet(lang)
{
if (lang!=null)
if (lang!=null) {
current_lang = lang;
seed = cnUtil.rand_32();
keys = cnUtil.create_address(seed);
}
else {
seed = cnUtil.rand_32();
keys = cnUtil.create_address(seed);
}
mnemonic = mn_encode(seed,current_lang);
spend_key_widget = document.getElementById("spend_key_widget");
@ -3776,8 +3807,79 @@ function genwallet(lang)
address_widget.innerHTML = keys.public_addr;
mnemonic_widget.innerHTML = mnemonic;
}
genwallet();
previous_button_text = "";
prefix = "";
function genwallet_prefix_worker()
{
attempts = 0;
while (true) {
attempts++;
seed = cnUtil.rand_32();
keys = cnUtil.create_address_if_prefix(seed,prefix);
if (keys != null) {
gen_prefix_widget = document.getElementById("gen_prefix_widget");
gen_prefix_widget.value = previous_button_text;
generating = false;
break;
}
if (attempts == 10) {
if (generating)
setTimeout(genwallet_prefix_worker, 0);
return;
}
}
mnemonic = mn_encode(seed,current_lang);
spend_key_widget = document.getElementById("spend_key_widget");
view_key_widget = document.getElementById("view_key_widget");
address_widget = document.getElementById("address_widget");
mnemonic_widget = document.getElementById("mnemonic_widget");
spend_key_widget.innerHTML = keys.spend.sec;
view_key_widget.innerHTML = keys.view.sec;
address_widget.innerHTML = keys.public_addr;
mnemonic_widget.innerHTML = mnemonic;
}
generating = false;
function genwallet_prefix()
{
gen_prefix_widget = document.getElementById("gen_prefix_widget");
if (generating) {
generating = false;
gen_prefix_widget.value = previous_button_text;
}
else {
prefix_widget = document.getElementById("prefix_widget");
prefix = prefix_widget.value;
prefix.trim();
if (prefix.length < 2 || prefix[0] != "4") {
alert("Bad prefix "+prefix+" should start with 4 and be at least one extra character");
return;
}
/* Seems to pass strings that don't get found
ok = false;
try {
if (cnBase58.decode(prefix) != "")
ok = true;
}
catch(e) {
}
if (!ok) {
alert("Bad prefix "+prefix+" is not a valid Monero address prefix");
return;
}
*/
generating = true;
previous_button_text = gen_prefix_widget.value;
gen_prefix_widget.value = "STOP";
setTimeout(genwallet_prefix_worker, 0);
}
}
genwallet();
</script>
</body>