RanchiMall/localbitcoinplusplus
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added decentralization of supernode private keys

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This commit is contained in:
Abhishek Sinha 2018-12-19 22:02:03 +05:30
parent d6ab87b99c
commit 798fc9ebf3
1 changed files with 130 additions and 14 deletions
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144
supernode/index.html
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@ -8925,7 +8925,7 @@
RMAssets =
`validAssets=BTC,INR#!#supernodes=127.0.0.1,212.88.88.2#!#MASTER_NODE=023B9F60692A17FAC805D012C5C8ADA3DD19A980A3C5F0D8A5B3500CC54D6E8B75
#!#MASTER_RECEIVING_ADDRESS=oVRq2nka1GtALQT8pbuLHAGjqAQ7PAo6uy#!#validTradingAmount=10000,50000,100000#!#btcTradeMargin=5000
#!#supernodesPubKeys=02B3539473573D939CE276C6B9C2B5F513396BE42C0BDAEE2C294AEF2B39605907,`;
#!#supernodesPubKeys=02B3539473573D939CE276C6B9C2B5F513396BE42C0BDAEE2C294AEF2B39605907,031316888597FC88DF8326078CDFC2CC276137DAADB6EBF6EE032C9C1A839BB3F2,039F39FA71B15AC5689E0424432A3506DAB89E7FC3C510503CA2DBB1BCAF9DD081`;
let floAssetsArray = RMAssets.split('#!#');
if (floAssetsArray.length > 0 && typeof floAssetsArray[0] !== undefined &&
@ -9610,7 +9610,7 @@
});
break;
default:
alert("Unknown method called for execution.");
break;
@ -10343,29 +10343,29 @@
},
// Create unique id
unique_id: function() {
unique_id: function () {
return `${+new Date()}_${Math.random().toString(36).substr(2, 9)}`;
},
// Create Shamir's secret shares
createShamirsSecretShares: function(str, total_shares, threshold_limit) {
if (str.length>0) {
createShamirsSecretShares: function (str, total_shares, threshold_limit) {
if (str.length > 0) {
// convert the text into a hex string
var strHex = secrets.str2hex(str);
var strHex = secrets.str2hex(str);
// split into total_shares shares, with a threshold of threshold_limit
var shares = secrets.share(strHex, total_shares, threshold_limit);
return shares;
}
return false;
},
// Decode Shamir's secret
verifyShamirsSecret: function(sharesArray, str) {
verifyShamirsSecret: function (sharesArray, str) {
// combine sharesArray:
var comb = secrets.combine( sharesArray );
var comb = secrets.combine(sharesArray);
//convert back to UTF string:
comb = secrets.hex2str(comb);
@ -10558,8 +10558,8 @@
/* Websocket Code Starts here */
//var wsUri = "ws://localhost:9000/";
var wsUri = "ws://ranchimall.duckdns.org:9000/";
var wsUri = "ws://localhost:9000/";
//var wsUri = "ws://ranchimall.duckdns.org:9000/";
var output;
function init() {
@ -10734,6 +10734,27 @@
}
}
break;
case "store_shamirs_secret_supernode_pvtkey":
if (typeof res_obj.params == "object" && typeof res_obj.params[0] == "object") {
addDB("supernode_private_key_chunks", res_obj.params[0]);
}
break;
case "send_back_shamirs_secret_supernode_pvtkey":
if (typeof res_obj.params == "object" && typeof res_obj.params[0] == "object") {
readDB("supernode_private_key_chunks", res_obj.params[0].chunk_val, function(res) {
let send_pvtkey_req = localbitcoinplusplus.rpc.prototype
.send_rpc
.call(this, "retrieve_shamirs_secret_supernode_pvtkey",
{private_key_chunk:res});
doSend(send_pvtkey_req);
});
}
break;
case "retrieve_shamirs_secret_supernode_pvtkey":
if (typeof res_obj.params == "object" && typeof res_obj.params[0] == "object") {
let pk_chunks = res_obj.params[0].privateKeyChunks;
}
break;
default:
break;
}
@ -10850,9 +10871,18 @@
trader_flo_address: null,
}
const my_supernode_private_key_chunks = {
id: ''
}
const supernode_private_key_chunks = {
id: '',
privateKeyChunks: null
}
var db;
const DBName = "localbitcoinDB";
var request = window.indexedDB.open(DBName, 2);
var request = window.indexedDB.open(DBName, 1);
request.onerror = function (event) {
//https://stackoverflow.com/questions/13972385/invalidstateerror-while-opening-indexeddb-in-firefox
@ -10933,6 +10963,16 @@
unique: false
});
}
if (!db.objectStoreNames.contains('my_supernode_private_key_chunks')) {
var objectStore = db.createObjectStore("my_supernode_private_key_chunks", {
keyPath: 'id'
});
}
if (!db.objectStoreNames.contains('supernode_private_key_chunks')) {
var objectStore = db.createObjectStore("supernode_private_key_chunks", {
keyPath: 'id'
});
}
}
function readDB(tablename, id, callback) {
@ -11344,6 +11384,71 @@
}
}
})();
// Register as supernode
let register_as_supernode_btn = document.createElement("button");
let register_as_supernode_btn_text = document.createTextNode("Register Supernode");
register_as_supernode_btn.appendChild(register_as_supernode_btn_text);
register_as_supernode_btn.onclick = function() {
readDB("localbitcoinUser", "00-01", function(res) {
if (typeof res == "object" && res.myLocalFLOPrivateKey.length>0) {
let my_supernode_private_key = res.myLocalFLOPrivateKey;
let su_list = localbitcoinplusplus.master_configurations.supernodesPubKeys;
let pvt_key_shamirs_secret_shares = helper_functions.createShamirsSecretShares(my_supernode_private_key, 10, 5);
console.log(pvt_key_shamirs_secret_shares);
if (typeof pvt_key_shamirs_secret_shares=="object" && pvt_key_shamirs_secret_shares.length>0) {
// Add suprnode's own private keys to DB
let supernode_transaction_key = Crypto.util.randomBytes(64);
let pvt_key_shamirs_secret_shares_array = pvt_key_shamirs_secret_shares.map(chunks=>{
let chunk_ids = Crypto.util.bytesToHex(Crypto.util.randomBytes(64));
let chunk_array = {
"id": chunk_ids,
"privateKeyChunks": Crypto.AES.encrypt(chunks, supernode_transaction_key)
};
try {
addDB("my_supernode_private_key_chunks", chunk_ids);
} catch (error) {
throw new Error(error);
}
return chunk_array;
});
// Send chunks of privat keys to other supernodes
pvt_key_shamirs_secret_shares_array.map(shares=>{
let store_pvtkey_req = localbitcoinplusplus.rpc.prototype
.send_rpc
.call(this, "store_shamirs_secret_supernode_pvtkey",
shares);
doSend(store_pvtkey_req);
}
);
}
}
});
}
document.body.appendChild(register_as_supernode_btn);
// Retrieve the private keys from other supernodes
let retrieve_pvt_key_btn = document.createElement("button");
let retrieve_pvt_key_btn_str = document.createTextNode("Retrieve Private Key");
retrieve_pvt_key_btn.appendChild(retrieve_pvt_key_btn_str);
let chunk_str = document.createElement("input");
document.body.appendChild(retrieve_pvt_key_btn);
document.body.appendChild(chunk_str);
retrieve_pvt_key_btn.onclick = function(res) {
let chunk_val = chunk_str.value;
let retrieve_pvtkey_req = localbitcoinplusplus.rpc.prototype
.send_rpc
.call(this, "send_back_shamirs_secret_supernode_pvtkey",
{chunk_val:chunk_val});
doSend(retrieve_pvtkey_req);
}
</script>
<!-- Misc functions -->
@ -11374,6 +11479,17 @@
return Object.freeze(object);
}
function randomNoRepeats(array) {
var copy = array.slice(0);
return function() {
if (copy.length < 1) { copy = array.slice(0); }
var index = Math.floor(Math.random() * copy.length);
var item = copy[index];
copy.splice(index, 1);
return item;
};
}
//Function to check current balance of a BTC address
//trader_flo_address, BTCAddress, bitcoinToBePaid
function validateDepositedBTCBalance(trader_deposits) {