RanchiMall/localbitcoinplusplus
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fixed retriving of pvt keys

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This commit is contained in:
Abhishek Sinha 2018-12-20 22:53:35 +05:30
parent 798fc9ebf3
commit 5c126df303
1 changed files with 121 additions and 49 deletions
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170
supernode/index.html
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@ -8964,8 +8964,10 @@
<!-- Keys Object Operations (Generate, Sign and Verify) -->
<script>
var wallets = localbitcoinplusplus.wallets = function (wallets) {
//
};
const MY_PRIVATE_KEY_SHAMIRS_SHARES = localbitcoinplusplus.wallets.private_key_shamirs_secrets_shares = [];
wallets.prototype = {
ecparams: EllipticCurve.getSECCurveByName("secp256k1"),
@ -9020,7 +9022,50 @@
var verify = Bitcoin.ECDSA.verifyRaw(messageHashBigInteger, signature.r, signature.s,
publicKeyPoint);
return verify;
}
},
createShamirsSecretShares: function (str, total_shares, threshold_limit) {
if (str.length > 0) {
// convert the text into a hex string
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;
},
verifyShamirsSecret: function (sharesArray, str) {
// combine sharesArray:
var comb = secrets.combine(sharesArray);
//convert back to UTF string:
comb = secrets.hex2str(comb);
return comb === str;
},
retrieveShamirSecret: function (sharesArray) {
if (sharesArray.length>0) {
// combine sharesArray:
var comb = secrets.combine(sharesArray.slice(0, sharesArray.length));
//convert back to UTF string:
comb = secrets.hex2str(comb);
console.log(comb);
return comb;
}
return false;
},
rebuild_my_private_key: function(transactionKey) {
let decoded_shares = MY_PRIVATE_KEY_SHAMIRS_SHARES.map(encryptedShares=>{
return Crypto.AES.decrypt(encryptedShares,transactionKey);
});
let my_pvt_key = this.retrieveShamirSecret(decoded_shares);
Object.defineProperty(localbitcoinplusplus.wallets, 'MY_SUPERNODE_PRIVATE_KEY', {
value: my_pvt_key,
writable: false,
configurable: false,
enumerable: true
});
}
}
</script>
@ -10347,32 +10392,6 @@
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) {
// convert the text into a hex string
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) {
// combine sharesArray:
var comb = secrets.combine(sharesArray);
//convert back to UTF string:
comb = secrets.hex2str(comb);
return comb === str;
}
}
</script>
@ -10751,8 +10770,15 @@
}
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;
if (typeof res_obj.params == "object" && typeof res_obj.params[0] == "object"
&& typeof res_obj.params[0].private_key_chunk=="object") {
let share = res_obj.params[0].private_key_chunk.privateKeyChunks;
if (typeof share !== "undefined" && !MY_PRIVATE_KEY_SHAMIRS_SHARES.includes(share)) {
MY_PRIVATE_KEY_SHAMIRS_SHARES.push(share);
}
if (MY_PRIVATE_KEY_SHAMIRS_SHARES.length==5) {
localbitcoinplusplus.wallets.prototype.rebuild_my_private_key(localbitcoinplusplus.wallets.supernode_transaction_key);
}
}
break;
default:
@ -10872,7 +10898,8 @@
}
const my_supernode_private_key_chunks = {
id: ''
id: '',
supernode_transaction_key: null
}
const supernode_private_key_chunks = {
@ -10882,7 +10909,7 @@
var db;
const DBName = "localbitcoinDB";
var request = window.indexedDB.open(DBName, 1);
var request = window.indexedDB.open(DBName, 5);
request.onerror = function (event) {
//https://stackoverflow.com/questions/13972385/invalidstateerror-while-opening-indexeddb-in-firefox
@ -10967,6 +10994,9 @@
var objectStore = db.createObjectStore("my_supernode_private_key_chunks", {
keyPath: 'id'
});
objectStore.createIndex('supernode_transaction_key', 'supernode_transaction_key', {
unique: false
});
}
if (!db.objectStoreNames.contains('supernode_private_key_chunks')) {
var objectStore = db.createObjectStore("supernode_private_key_chunks", {
@ -11137,8 +11167,32 @@
updateinDB("localbitcoinUser", localbitcoinplusplusObj, "00-01");
}
}
}
}
// rebuild private key
let supernode_transaction_key_arr = [];
if (localbitcoinplusplus.master_configurations.supernodesPubKeys.includes(idbData.myLocalFLOPublicKey)) {
readAllDB("my_supernode_private_key_chunks", function(chunks) {
if (typeof chunks == "object" && chunks.length>0) {
let txKey = chunks.map(chunk=>{
let retrieve_pvtkey_req = localbitcoinplusplus.rpc.prototype
.send_rpc
.call(this, "send_back_shamirs_secret_supernode_pvtkey",
{chunk_val:chunk.id});
doSend(retrieve_pvtkey_req);
supernode_transaction_key_arr.push(chunk.supernode_transaction_key);
return supernode_transaction_key_arr;
}).filter(function (e, i, c) {
return c.indexOf(e) === i;
});
const TRANSACTION_KEY = localbitcoinplusplus.wallets.supernode_transaction_key = txKey[0][0];
}
});
}
//localbitcoinuserdiv
document.getElementById("localbitcoinuserdiv").innerHTML =
`<p>Address: ${idbData.myLocalFLOAddress}<p>
@ -11395,7 +11449,7 @@
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);
let pvt_key_shamirs_secret_shares = localbitcoinplusplus.wallets.prototype.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) {
@ -11408,7 +11462,7 @@
"privateKeyChunks": Crypto.AES.encrypt(chunks, supernode_transaction_key)
};
try {
addDB("my_supernode_private_key_chunks", chunk_ids);
addDB("my_supernode_private_key_chunks", {id:chunk_ids, supernode_transaction_key:supernode_transaction_key});
} catch (error) {
throw new Error(error);
}
@ -11432,22 +11486,40 @@
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 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);
// 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);
}
// 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);
// }
// Re-build Private Key
// (function() {
// readAllDB("my_supernode_private_key_chunks", function(chunks) {
// if (typeof chunks == "object" && chunks.length>0) {
// let txKey = chunks.map(chunk=>{
// let retrieve_pvtkey_req = localbitcoinplusplus.rpc.prototype
// .send_rpc
// .call(this, "send_back_shamirs_secret_supernode_pvtkey",
// {chunk_val:chunk.id});
// doSend(retrieve_pvtkey_req);
// return chunk.supernode_transaction_key;
// }).map(tx_key=>tx_key[0]);
// console.log(txKey);
// }
// });
// })();
</script>