update std-op

This commit is contained in:
sairajzero 2022-04-26 03:30:51 +05:30
parent 579d00b343
commit e88799f01f
5 changed files with 7175 additions and 7000 deletions

View File

@ -1,513 +1,514 @@
'use strict';
/* FLO Blockchain Operator to send/receive data from blockchain using API calls*/
//version 2.2.1
(function(GLOBAL) {
const floBlockchainAPI = GLOBAL.floBlockchainAPI = {
(function(EXPORTS) { //floBlockchainAPI v2.3.0
/* FLO Blockchain Operator to send/receive data from blockchain using API calls*/
'use strict';
const floBlockchainAPI = EXPORTS;
util: {
serverList: floGlobals.apiURL[floGlobals.blockchain].slice(0),
curPos: floCrypto.randInt(0, floGlobals.apiURL[floGlobals.blockchain].length - 1),
fetch_retry: function(apicall, rm_flosight) {
return new Promise((resolve, reject) => {
let i = this.serverList.indexOf(rm_flosight)
if (i != -1) this.serverList.splice(i, 1);
this.curPos = floCrypto.randInt(0, this.serverList.length - 1);
this.fetch_api(apicall)
const serverList = floGlobals.apiURL[floGlobals.blockchain].slice(0);
var curPos = floCrypto.randInt(0, serverList - 1);
function fetch_retry(apicall, rm_flosight) {
return new Promise((resolve, reject) => {
let i = serverList.indexOf(rm_flosight)
if (i != -1) serverList.splice(i, 1);
curPos = floCrypto.randInt(0, serverList.length - 1);
fetch_api(apicall)
.then(result => resolve(result))
.catch(error => reject(error));
})
}
function fetch_api(apicall) {
return new Promise((resolve, reject) => {
if (serverList.length === 0)
reject("No floSight server working");
else {
let flosight = serverList[curPos];
fetch(flosight + apicall).then(response => {
if (response.ok)
response.json().then(data => resolve(data));
else {
fetch_retry(apicall, flosight)
.then(result => resolve(result))
.catch(error => reject(error));
}
}).catch(error => {
fetch_retry(apicall, flosight)
.then(result => resolve(result))
.catch(error => reject(error));
})
},
fetch_api: function(apicall) {
return new Promise((resolve, reject) => {
if (this.serverList.length === 0)
reject("No floSight server working");
else {
let flosight = this.serverList[this.curPos];
fetch(flosight + apicall).then(response => {
if (response.ok)
response.json().then(data => resolve(data));
else {
this.fetch_retry(apicall, flosight)
.then(result => resolve(result))
.catch(error => reject(error));
}
}).catch(error => {
this.fetch_retry(apicall, flosight)
.then(result => resolve(result))
.catch(error => reject(error));
})
}
})
},
current: function() {
return this.serverList[this.curPos];
}
},
})
}
//Promised function to get data from API
promisedAPI: function(apicall) {
return new Promise((resolve, reject) => {
//console.log(apicall);
this.util.fetch_api(apicall)
.then(result => resolve(result))
.catch(error => reject(error));
});
},
Object.defineProperty(floBlockchainAPI, 'current_server', {
get: () => serverList[curPos]
});
//Get balance for the given Address
getBalance: function(addr) {
return new Promise((resolve, reject) => {
this.promisedAPI(`api/addr/${addr}/balance`)
.then(balance => resolve(parseFloat(balance)))
.catch(error => reject(error));
});
},
//Promised function to get data from API
const promisedAPI = floBlockchainAPI.promisedAPI = function(apicall) {
return new Promise((resolve, reject) => {
//console.log(apicall);
fetch_api(apicall)
.then(result => resolve(result))
.catch(error => reject(error));
});
}
//Write Data into blockchain
writeData: function(senderAddr, data, privKey, receiverAddr = floGlobals.adminID, strict_utxo = true) {
return new Promise((resolve, reject) => {
if (typeof data != "string")
data = JSON.stringify(data);
this.sendTx(senderAddr, receiverAddr, floGlobals.sendAmt, privKey, data, strict_utxo)
.then(txid => resolve(txid))
.catch(error => reject(error));
});
},
//Get balance for the given Address
const getBalance = floBlockchainAPI.getBalance = function(addr) {
return new Promise((resolve, reject) => {
promisedAPI(`api/addr/${addr}/balance`)
.then(balance => resolve(parseFloat(balance)))
.catch(error => reject(error));
});
}
//Send Tx to blockchain
sendTx: function(senderAddr, receiverAddr, sendAmt, privKey, floData = '', strict_utxo = true) {
return new Promise((resolve, reject) => {
if (!floCrypto.validateASCII(floData))
return reject("Invalid FLO_Data: only printable ASCII characters are allowed");
else if (!floCrypto.validateAddr(senderAddr))
return reject(`Invalid address : ${senderAddr}`);
else if (!floCrypto.validateAddr(receiverAddr))
return reject(`Invalid address : ${receiverAddr}`);
else if (privKey.length < 1 || !floCrypto.verifyPrivKey(privKey, senderAddr))
return reject("Invalid Private key!");
else if (typeof sendAmt !== 'number' || sendAmt <= 0)
return reject(`Invalid sendAmt : ${sendAmt}`);
//Send Tx to blockchain
const sendTx = floBlockchainAPI.sendTx = function(senderAddr, receiverAddr, sendAmt, privKey, floData = '', strict_utxo = true) {
return new Promise((resolve, reject) => {
if (!floCrypto.validateASCII(floData))
return reject("Invalid FLO_Data: only printable ASCII characters are allowed");
else if (!floCrypto.validateAddr(senderAddr))
return reject(`Invalid address : ${senderAddr}`);
else if (!floCrypto.validateAddr(receiverAddr))
return reject(`Invalid address : ${receiverAddr}`);
else if (privKey.length < 1 || !floCrypto.verifyPrivKey(privKey, senderAddr))
return reject("Invalid Private key!");
else if (typeof sendAmt !== 'number' || sendAmt <= 0)
return reject(`Invalid sendAmt : ${sendAmt}`);
//get unconfirmed tx list
this.promisedAPI(`api/addr/${senderAddr}`).then(result => {
this.readTxs(senderAddr, 0, result.unconfirmedTxApperances).then(result => {
let unconfirmedSpent = {};
for (let tx of result.items)
if (tx.confirmations == 0)
for (let vin of tx.vin)
if (vin.addr === senderAddr) {
if (Array.isArray(unconfirmedSpent[vin.txid]))
unconfirmedSpent[vin.txid].push(vin.vout);
else
unconfirmedSpent[vin.txid] = [vin.vout];
}
//get utxos list
this.promisedAPI(`api/addr/${senderAddr}/utxo`).then(utxos => {
//form/construct the transaction data
var trx = bitjs.transaction();
var utxoAmt = 0.0;
var fee = floGlobals.fee;
for (var i = utxos.length - 1;
(i >= 0) && (utxoAmt < sendAmt + fee); i--) {
//use only utxos with confirmations (strict_utxo mode)
if (utxos[i].confirmations || !strict_utxo) {
if (utxos[i].txid in unconfirmedSpent && unconfirmedSpent[utxos[i].txid].includes(utxos[i].vout))
continue; //A transaction has already used this utxo, but is unconfirmed.
trx.addinput(utxos[i].txid, utxos[i].vout, utxos[i].scriptPubKey);
utxoAmt += utxos[i].amount;
};
}
if (utxoAmt < sendAmt + fee)
reject("Insufficient FLO balance!");
else {
trx.addoutput(receiverAddr, sendAmt);
var change = utxoAmt - sendAmt - fee;
if (change > 0)
trx.addoutput(senderAddr, change);
trx.addflodata(floData.replace(/\n/g, ' '));
var signedTxHash = trx.sign(privKey, 1);
this.broadcastTx(signedTxHash)
.then(txid => resolve(txid))
.catch(error => reject(error))
}
}).catch(error => reject(error))
//get unconfirmed tx list
promisedAPI(`api/addr/${senderAddr}`).then(result => {
readTxs(senderAddr, 0, result.unconfirmedTxApperances).then(result => {
let unconfirmedSpent = {};
for (let tx of result.items)
if (tx.confirmations == 0)
for (let vin of tx.vin)
if (vin.addr === senderAddr) {
if (Array.isArray(unconfirmedSpent[vin.txid]))
unconfirmedSpent[vin.txid].push(vin.vout);
else
unconfirmedSpent[vin.txid] = [vin.vout];
}
//get utxos list
promisedAPI(`api/addr/${senderAddr}/utxo`).then(utxos => {
//form/construct the transaction data
var trx = bitjs.transaction();
var utxoAmt = 0.0;
var fee = floGlobals.fee;
for (var i = utxos.length - 1;
(i >= 0) && (utxoAmt < sendAmt + fee); i--) {
//use only utxos with confirmations (strict_utxo mode)
if (utxos[i].confirmations || !strict_utxo) {
if (utxos[i].txid in unconfirmedSpent && unconfirmedSpent[utxos[i].txid].includes(utxos[i].vout))
continue; //A transaction has already used the utxo, but is unconfirmed.
trx.addinput(utxos[i].txid, utxos[i].vout, utxos[i].scriptPubKey);
utxoAmt += utxos[i].amount;
};
}
if (utxoAmt < sendAmt + fee)
reject("Insufficient FLO balance!");
else {
trx.addoutput(receiverAddr, sendAmt);
var change = utxoAmt - sendAmt - fee;
if (change > 0)
trx.addoutput(senderAddr, change);
trx.addflodata(floData.replace(/\n/g, ' '));
var signedTxHash = trx.sign(privKey, 1);
broadcastTx(signedTxHash)
.then(txid => resolve(txid))
.catch(error => reject(error))
}
}).catch(error => reject(error))
}).catch(error => reject(error))
});
},
}).catch(error => reject(error))
});
}
//merge all UTXOs of a given floID into a single UTXO
mergeUTXOs: function(floID, privKey, floData = '') {
return new Promise((resolve, reject) => {
if (!floCrypto.validateAddr(floID))
return reject(`Invalid floID`);
if (!floCrypto.verifyPrivKey(privKey, floID))
return reject("Invalid Private Key");
if (!floCrypto.validateASCII(floData))
return reject("Invalid FLO_Data: only printable ASCII characters are allowed");
var trx = bitjs.transaction();
var utxoAmt = 0.0;
var fee = floGlobals.fee;
this.promisedAPI(`api/addr/${floID}/utxo`).then(utxos => {
for (var i = utxos.length - 1; i >= 0; i--)
if (utxos[i].confirmations) {
trx.addinput(utxos[i].txid, utxos[i].vout, utxos[i].scriptPubKey);
utxoAmt += utxos[i].amount;
//Write Data into blockchain
floBlockchainAPI.writeData = function(senderAddr, data, privKey, receiverAddr = floGlobals.adminID, strict_utxo = true) {
return new Promise((resolve, reject) => {
if (typeof data != "string")
data = JSON.stringify(data);
sendTx(senderAddr, receiverAddr, floGlobals.sendAmt, privKey, data, strict_utxo)
.then(txid => resolve(txid))
.catch(error => reject(error));
});
}
//merge all UTXOs of a given floID into a single UTXO
floBlockchainAPI.mergeUTXOs = function(floID, privKey, floData = '') {
return new Promise((resolve, reject) => {
if (!floCrypto.validateAddr(floID))
return reject(`Invalid floID`);
if (!floCrypto.verifyPrivKey(privKey, floID))
return reject("Invalid Private Key");
if (!floCrypto.validateASCII(floData))
return reject("Invalid FLO_Data: only printable ASCII characters are allowed");
var trx = bitjs.transaction();
var utxoAmt = 0.0;
var fee = floGlobals.fee;
promisedAPI(`api/addr/${floID}/utxo`).then(utxos => {
for (var i = utxos.length - 1; i >= 0; i--)
if (utxos[i].confirmations) {
trx.addinput(utxos[i].txid, utxos[i].vout, utxos[i].scriptPubKey);
utxoAmt += utxos[i].amount;
}
trx.addoutput(floID, utxoAmt - fee);
trx.addflodata(floData.replace(/\n/g, ' '));
var signedTxHash = trx.sign(privKey, 1);
broadcastTx(signedTxHash)
.then(txid => resolve(txid))
.catch(error => reject(error))
}).catch(error => reject(error))
})
}
/**Write data into blockchain from (and/or) to multiple floID
* @param {Array} senderPrivKeys List of sender private-keys
* @param {string} data FLO data of the txn
* @param {Array} receivers List of receivers
* @param {boolean} preserveRatio (optional) preserve ratio or equal contribution
* @return {Promise}
*/
floBlockchainAPI.writeDataMultiple = function(senderPrivKeys, data, receivers = [floGlobals.adminID], preserveRatio = true) {
return new Promise((resolve, reject) => {
if (!Array.isArray(senderPrivKeys))
return reject("Invalid senderPrivKeys: SenderPrivKeys must be Array");
if (!preserveRatio) {
let tmp = {};
let amount = (floGlobals.sendAmt * receivers.length) / senderPrivKeys.length;
senderPrivKeys.forEach(key => tmp[key] = amount);
senderPrivKeys = tmp;
}
if (!Array.isArray(receivers))
return reject("Invalid receivers: Receivers must be Array");
else {
let tmp = {};
let amount = floGlobals.sendAmt;
receivers.forEach(floID => tmp[floID] = amount);
receivers = tmp
}
if (typeof data != "string")
data = JSON.stringify(data);
sendTxMultiple(senderPrivKeys, receivers, data)
.then(txid => resolve(txid))
.catch(error => reject(error))
})
}
/**Send Tx from (and/or) to multiple floID
* @param {Array or Object} senderPrivKeys List of sender private-key (optional: with coins to be sent)
* @param {Object} receivers List of receivers with respective amount to be sent
* @param {string} floData FLO data of the txn
* @return {Promise}
*/
const sendTxMultiple = floBlockchainAPI.sendTxMultiple = function(senderPrivKeys, receivers, floData = '') {
return new Promise((resolve, reject) => {
if (!floCrypto.validateASCII(floData))
return reject("Invalid FLO_Data: only printable ASCII characters are allowed");
let senders = {},
preserveRatio;
//check for argument validations
try {
let invalids = {
InvalidSenderPrivKeys: [],
InvalidSenderAmountFor: [],
InvalidReceiverIDs: [],
InvalidReceiveAmountFor: []
}
let inputVal = 0,
outputVal = 0;
//Validate sender privatekeys (and send amount if passed)
//conversion when only privateKeys are passed (preserveRatio mode)
if (Array.isArray(senderPrivKeys)) {
senderPrivKeys.forEach(key => {
try {
if (!key)
invalids.InvalidSenderPrivKeys.push(key);
else {
let floID = floCrypto.getFloID(key);
senders[floID] = {
wif: key
}
}
} catch (error) {
invalids.InvalidSenderPrivKeys.push(key)
}
trx.addoutput(floID, utxoAmt - fee);
})
preserveRatio = true;
}
//conversion when privatekeys are passed with send amount
else {
for (let key in senderPrivKeys) {
try {
if (!key)
invalids.InvalidSenderPrivKeys.push(key);
else {
if (typeof senderPrivKeys[key] !== 'number' || senderPrivKeys[key] <= 0)
invalids.InvalidSenderAmountFor.push(key);
else
inputVal += senderPrivKeys[key];
let floID = floCrypto.getFloID(key);
senders[floID] = {
wif: key,
coins: senderPrivKeys[key]
}
}
} catch (error) {
invalids.InvalidSenderPrivKeys.push(key)
}
}
preserveRatio = false;
}
//Validate the receiver IDs and receive amount
for (let floID in receivers) {
if (!floCrypto.validateAddr(floID))
invalids.InvalidReceiverIDs.push(floID);
if (typeof receivers[floID] !== 'number' || receivers[floID] <= 0)
invalids.InvalidReceiveAmountFor.push(floID);
else
outputVal += receivers[floID];
}
//Reject if any invalids are found
for (let i in invalids)
if (!invalids[i].length)
delete invalids[i];
if (Object.keys(invalids).length)
return reject(invalids);
//Reject if given inputVal and outputVal are not equal
if (!preserveRatio && inputVal != outputVal)
return reject(`Input Amount (${inputVal}) not equal to Output Amount (${outputVal})`);
} catch (error) {
return reject(error)
}
//Get balance of senders
let promises = [];
for (let floID in senders)
promises.push(getBalance(floID));
Promise.all(promises).then(results => {
let totalBalance = 0,
totalFee = floGlobals.fee,
balance = {};
//Divide fee among sender if not for preserveRatio
if (!preserveRatio)
var dividedFee = totalFee / Object.keys(senders).length;
//Check if balance of each sender is sufficient enough
let insufficient = [];
for (let floID in senders) {
balance[floID] = parseFloat(results.shift());
if (isNaN(balance[floID]) || (preserveRatio && balance[floID] <= totalFee) ||
(!preserveRatio && balance[floID] < senders[floID].coins + dividedFee))
insufficient.push(floID);
totalBalance += balance[floID];
}
if (insufficient.length)
return reject({
InsufficientBalance: insufficient
})
//Calculate totalSentAmount and check if totalBalance is sufficient
let totalSendAmt = totalFee;
for (floID in receivers)
totalSendAmt += receivers[floID];
if (totalBalance < totalSendAmt)
return reject("Insufficient total Balance");
//Get the UTXOs of the senders
let promises = [];
for (floID in senders)
promises.push(promisedAPI(`api/addr/${floID}/utxo`));
Promise.all(promises).then(results => {
let wifSeq = [];
var trx = bitjs.transaction();
for (floID in senders) {
let utxos = results.shift();
let sendAmt;
if (preserveRatio) {
let ratio = (balance[floID] / totalBalance);
sendAmt = totalSendAmt * ratio;
} else
sendAmt = senders[floID].coins + dividedFee;
let wif = senders[floID].wif;
let utxoAmt = 0.0;
for (let i = utxos.length - 1;
(i >= 0) && (utxoAmt < sendAmt); i--) {
if (utxos[i].confirmations) {
trx.addinput(utxos[i].txid, utxos[i].vout, utxos[i].scriptPubKey);
wifSeq.push(wif);
utxoAmt += utxos[i].amount;
}
}
if (utxoAmt < sendAmt)
return reject("Insufficient balance:" + floID);
let change = (utxoAmt - sendAmt);
if (change > 0)
trx.addoutput(floID, change);
}
for (floID in receivers)
trx.addoutput(floID, receivers[floID]);
trx.addflodata(floData.replace(/\n/g, ' '));
var signedTxHash = trx.sign(privKey, 1);
this.broadcastTx(signedTxHash)
for (let i = 0; i < wifSeq.length; i++)
trx.signinput(i, wifSeq[i], 1);
var signedTxHash = trx.serialize();
broadcastTx(signedTxHash)
.then(txid => resolve(txid))
.catch(error => reject(error))
}).catch(error => reject(error))
})
},
}).catch(error => reject(error))
})
}
/**Write data into blockchain from (and/or) to multiple floID
* @param {Array} senderPrivKeys List of sender private-keys
* @param {string} data FLO data of the txn
* @param {Array} receivers List of receivers
* @param {boolean} preserveRatio (optional) preserve ratio or equal contribution
* @return {Promise}
*/
writeDataMultiple: function(senderPrivKeys, data, receivers = [floGlobals.adminID], preserveRatio = true) {
return new Promise((resolve, reject) => {
if (!Array.isArray(senderPrivKeys))
return reject("Invalid senderPrivKeys: SenderPrivKeys must be Array");
if (!preserveRatio) {
let tmp = {};
let amount = (floGlobals.sendAmt * receivers.length) / senderPrivKeys.length;
senderPrivKeys.forEach(key => tmp[key] = amount);
senderPrivKeys = tmp;
}
if (!Array.isArray(receivers))
return reject("Invalid receivers: Receivers must be Array");
else {
let tmp = {};
let amount = floGlobals.sendAmt;
receivers.forEach(floID => tmp[floID] = amount);
receivers = tmp
}
if (typeof data != "string")
data = JSON.stringify(data);
this.sendTxMultiple(senderPrivKeys, receivers, data)
.then(txid => resolve(txid))
.catch(error => reject(error))
})
},
//Broadcast signed Tx in blockchain using API
const broadcastTx = floBlockchainAPI.broadcastTx = function(signedTxHash) {
return new Promise((resolve, reject) => {
if (signedTxHash.length < 1)
return reject("Empty Signature");
var url = serverList[curPos] + 'api/tx/send';
fetch(url, {
method: "POST",
headers: {
'Content-Type': 'application/json'
},
body: `{"rawtx":"${signedTxHash}"}`
}).then(response => {
if (response.ok)
response.json().then(data => resolve(data.txid.result));
else
response.text().then(data => resolve(data));
}).catch(error => reject(error));
})
}
/**Send Tx from (and/or) to multiple floID
* @param {Array or Object} senderPrivKeys List of sender private-key (optional: with coins to be sent)
* @param {Object} receivers List of receivers with respective amount to be sent
* @param {string} floData FLO data of the txn
* @return {Promise}
*/
sendTxMultiple: function(senderPrivKeys, receivers, floData = '') {
return new Promise((resolve, reject) => {
if (!floCrypto.validateASCII(floData))
return reject("Invalid FLO_Data: only printable ASCII characters are allowed");
let senders = {},
preserveRatio;
//check for argument validations
try {
let invalids = {
InvalidSenderPrivKeys: [],
InvalidSenderAmountFor: [],
InvalidReceiverIDs: [],
InvalidReceiveAmountFor: []
}
let inputVal = 0,
outputVal = 0;
//Validate sender privatekeys (and send amount if passed)
//conversion when only privateKeys are passed (preserveRatio mode)
if (Array.isArray(senderPrivKeys)) {
senderPrivKeys.forEach(key => {
try {
if (!key)
invalids.InvalidSenderPrivKeys.push(key);
else {
let floID = floCrypto.getFloID(key);
senders[floID] = {
wif: key
}
}
} catch (error) {
invalids.InvalidSenderPrivKeys.push(key)
}
})
preserveRatio = true;
}
//conversion when privatekeys are passed with send amount
else {
for (let key in senderPrivKeys) {
try {
if (!key)
invalids.InvalidSenderPrivKeys.push(key);
else {
if (typeof senderPrivKeys[key] !== 'number' || senderPrivKeys[key] <= 0)
invalids.InvalidSenderAmountFor.push(key);
else
inputVal += senderPrivKeys[key];
let floID = floCrypto.getFloID(key);
senders[floID] = {
wif: key,
coins: senderPrivKeys[key]
}
}
} catch (error) {
invalids.InvalidSenderPrivKeys.push(key)
}
}
preserveRatio = false;
}
//Validate the receiver IDs and receive amount
for (let floID in receivers) {
if (!floCrypto.validateAddr(floID))
invalids.InvalidReceiverIDs.push(floID);
if (typeof receivers[floID] !== 'number' || receivers[floID] <= 0)
invalids.InvalidReceiveAmountFor.push(floID);
else
outputVal += receivers[floID];
}
//Reject if any invalids are found
for (let i in invalids)
if (!invalids[i].length)
delete invalids[i];
if (Object.keys(invalids).length)
return reject(invalids);
//Reject if given inputVal and outputVal are not equal
if (!preserveRatio && inputVal != outputVal)
return reject(`Input Amount (${inputVal}) not equal to Output Amount (${outputVal})`);
} catch (error) {
return reject(error)
}
//Get balance of senders
let promises = [];
for (let floID in senders)
promises.push(this.getBalance(floID));
Promise.all(promises).then(results => {
let totalBalance = 0,
totalFee = floGlobals.fee,
balance = {};
//Divide fee among sender if not for preserveRatio
if (!preserveRatio)
var dividedFee = totalFee / Object.keys(senders).length;
//Check if balance of each sender is sufficient enough
let insufficient = [];
for (let floID in senders) {
balance[floID] = parseFloat(results.shift());
if (isNaN(balance[floID]) || (preserveRatio && balance[floID] <= totalFee) ||
(!preserveRatio && balance[floID] < senders[floID].coins + dividedFee))
insufficient.push(floID);
totalBalance += balance[floID];
}
if (insufficient.length)
return reject({
InsufficientBalance: insufficient
})
//Calculate totalSentAmount and check if totalBalance is sufficient
let totalSendAmt = totalFee;
for (floID in receivers)
totalSendAmt += receivers[floID];
if (totalBalance < totalSendAmt)
return reject("Insufficient total Balance");
//Get the UTXOs of the senders
let promises = [];
for (floID in senders)
promises.push(this.promisedAPI(`api/addr/${floID}/utxo`));
Promise.all(promises).then(results => {
let wifSeq = [];
var trx = bitjs.transaction();
for (floID in senders) {
let utxos = results.shift();
let sendAmt;
if (preserveRatio) {
let ratio = (balance[floID] / totalBalance);
sendAmt = totalSendAmt * ratio;
} else
sendAmt = senders[floID].coins + dividedFee;
let wif = senders[floID].wif;
let utxoAmt = 0.0;
for (let i = utxos.length - 1;
(i >= 0) && (utxoAmt < sendAmt); i--) {
if (utxos[i].confirmations) {
trx.addinput(utxos[i].txid, utxos[i].vout, utxos[i].scriptPubKey);
wifSeq.push(wif);
utxoAmt += utxos[i].amount;
}
}
if (utxoAmt < sendAmt)
return reject("Insufficient balance:" + floID);
let change = (utxoAmt - sendAmt);
if (change > 0)
trx.addoutput(floID, change);
}
for (floID in receivers)
trx.addoutput(floID, receivers[floID]);
trx.addflodata(floData.replace(/\n/g, ' '));
for (let i = 0; i < wifSeq.length; i++)
trx.signinput(i, wifSeq[i], 1);
var signedTxHash = trx.serialize();
this.broadcastTx(signedTxHash)
.then(txid => resolve(txid))
.catch(error => reject(error))
}).catch(error => reject(error))
}).catch(error => reject(error))
})
},
floBlockchainAPI.getTx = function(txid) {
return new Promise((resolve, reject) => {
promisedAPI(`api/tx/${txid}`)
.then(response => resolve(response))
.catch(error => reject(error))
})
}
//Broadcast signed Tx in blockchain using API
broadcastTx: function(signedTxHash) {
return new Promise((resolve, reject) => {
if (signedTxHash.length < 1)
return reject("Empty Signature");
var url = this.util.serverList[this.util.curPos] + 'api/tx/send';
fetch(url, {
method: "POST",
headers: {
'Content-Type': 'application/json'
},
body: `{"rawtx":"${signedTxHash}"}`
}).then(response => {
if (response.ok)
response.json().then(data => resolve(data.txid.result));
else
response.text().then(data => resolve(data));
}).catch(error => reject(error));
})
},
//Read Txs of Address between from and to
const readTxs = floBlockchainAPI.readTxs = function(addr, from, to) {
return new Promise((resolve, reject) => {
promisedAPI(`api/addrs/${addr}/txs?from=${from}&to=${to}`)
.then(response => resolve(response))
.catch(error => reject(error))
});
}
getTx: function(txid) {
return new Promise((resolve, reject) => {
this.promisedAPI(`api/tx/${txid}`)
.then(response => resolve(response))
.catch(error => reject(error))
})
},
//Read All Txs of Address (newest first)
floBlockchainAPI.readAllTxs = function(addr) {
return new Promise((resolve, reject) => {
promisedAPI(`api/addrs/${addr}/txs?from=0&to=1`).then(response => {
promisedAPI(`api/addrs/${addr}/txs?from=0&to=${response.totalItems}0`)
.then(response => resolve(response.items))
.catch(error => reject(error));
}).catch(error => reject(error))
});
}
//Read Txs of Address between from and to
readTxs: function(addr, from, to) {
return new Promise((resolve, reject) => {
this.promisedAPI(`api/addrs/${addr}/txs?from=${from}&to=${to}`)
.then(response => resolve(response))
.catch(error => reject(error))
});
},
//Read All Txs of Address (newest first)
readAllTxs: function(addr) {
return new Promise((resolve, reject) => {
this.promisedAPI(`api/addrs/${addr}/txs?from=0&to=1`).then(response => {
this.promisedAPI(`api/addrs/${addr}/txs?from=0&to=${response.totalItems}0`)
.then(response => resolve(response.items))
.catch(error => reject(error));
}).catch(error => reject(error))
});
},
/*Read flo Data from txs of given Address
options can be used to filter data
limit : maximum number of filtered data (default = 1000, negative = no limit)
ignoreOld : ignore old txs (default = 0)
sentOnly : filters only sent data
receivedOnly: filters only received data
pattern : filters data that with JSON pattern
filter : custom filter funtion for floData (eg . filter: d => {return d[0] == '$'})
tx : (boolean) resolve tx data or not (resolves an Array of Object with tx details)
sender : flo-id(s) of sender
receiver : flo-id(s) of receiver
*/
readData: function(addr, options = {}) {
options.limit = options.limit || 0;
options.ignoreOld = options.ignoreOld || 0;
if (typeof options.sender === "string") options.sender = [options.sender];
if (typeof options.receiver === "string") options.receiver = [options.receiver];
return new Promise((resolve, reject) => {
this.promisedAPI(`api/addrs/${addr}/txs?from=0&to=1`).then(response => {
var newItems = response.totalItems - options.ignoreOld;
this.promisedAPI(`api/addrs/${addr}/txs?from=0&to=${newItems*2}`).then(response => {
if (options.limit <= 0)
options.limit = response.items.length;
var filteredData = [];
let numToRead = response.totalItems - options.ignoreOld,
unconfirmedCount = 0;
for (let i = 0; i < numToRead && filteredData.length < options.limit; i++) {
if (!response.items[i].confirmations) { //unconfirmed transactions
unconfirmedCount++;
/*Read flo Data from txs of given Address
options can be used to filter data
limit : maximum number of filtered data (default = 1000, negative = no limit)
ignoreOld : ignore old txs (default = 0)
sentOnly : filters only sent data
receivedOnly: filters only received data
pattern : filters data that with JSON pattern
filter : custom filter funtion for floData (eg . filter: d => {return d[0] == '$'})
tx : (boolean) resolve tx data or not (resolves an Array of Object with tx details)
sender : flo-id(s) of sender
receiver : flo-id(s) of receiver
*/
floBlockchainAPI.readData = function(addr, options = {}) {
options.limit = options.limit || 0;
options.ignoreOld = options.ignoreOld || 0;
if (typeof options.sender === "string") options.sender = [options.sender];
if (typeof options.receiver === "string") options.receiver = [options.receiver];
return new Promise((resolve, reject) => {
promisedAPI(`api/addrs/${addr}/txs?from=0&to=1`).then(response => {
var newItems = response.totalItems - options.ignoreOld;
promisedAPI(`api/addrs/${addr}/txs?from=0&to=${newItems*2}`).then(response => {
if (options.limit <= 0)
options.limit = response.items.length;
var filteredData = [];
let numToRead = response.totalItems - options.ignoreOld,
unconfirmedCount = 0;
for (let i = 0; i < numToRead && filteredData.length < options.limit; i++) {
if (!response.items[i].confirmations) { //unconfirmed transactions
unconfirmedCount++;
if (numToRead < response.items[i].length)
numToRead++;
continue;
}
if (options.pattern) {
try {
let jsonContent = JSON.parse(response.items[i].floData);
if (!Object.keys(jsonContent).includes(options.pattern))
continue;
} catch (error) {
continue;
}
}
if (options.sentOnly) {
let flag = false;
for (let vin of response.items[i].vin)
if (vin.addr === addr) {
flag = true;
break;
}
if (!flag) continue;
}
if (Array.isArray(options.sender)) {
let flag = false;
for (let vin of response.items[i].vin)
if (options.sender.includes(vin.addr)) {
flag = true;
break;
}
if (!flag) continue;
}
if (options.receivedOnly) {
let flag = false;
for (let vout of response.items[i].vout)
if (vout.scriptPubKey.addresses[0] === addr) {
flag = true;
break;
}
if (!flag) continue;
}
if (Array.isArray(options.receiver)) {
let flag = false;
for (let vout of response.items[i].vout)
if (options.receiver.includes(vout.scriptPubKey.addresses[0])) {
flag = true;
break;
}
if (!flag) continue;
}
if (options.filter && !options.filter(response.items[i].floData))
continue;
if (options.tx) {
let d = {}
d.txid = response.items[i].txid;
d.time = response.items[i].time;
d.blockheight = response.items[i].blockheight;
d.data = response.items[i].floData;
filteredData.push(d);
} else
filteredData.push(response.items[i].floData);
continue;
}
resolve({
totalTxs: response.totalItems - unconfirmedCount,
data: filteredData
});
}).catch(error => {
reject(error);
if (options.pattern) {
try {
let jsonContent = JSON.parse(response.items[i].floData);
if (!Object.keys(jsonContent).includes(options.pattern))
continue;
} catch (error) {
continue;
}
}
if (options.sentOnly) {
let flag = false;
for (let vin of response.items[i].vin)
if (vin.addr === addr) {
flag = true;
break;
}
if (!flag) continue;
}
if (Array.isArray(options.sender)) {
let flag = false;
for (let vin of response.items[i].vin)
if (options.sender.includes(vin.addr)) {
flag = true;
break;
}
if (!flag) continue;
}
if (options.receivedOnly) {
let flag = false;
for (let vout of response.items[i].vout)
if (vout.scriptPubKey.addresses[0] === addr) {
flag = true;
break;
}
if (!flag) continue;
}
if (Array.isArray(options.receiver)) {
let flag = false;
for (let vout of response.items[i].vout)
if (options.receiver.includes(vout.scriptPubKey.addresses[0])) {
flag = true;
break;
}
if (!flag) continue;
}
if (options.filter && !options.filter(response.items[i].floData))
continue;
if (options.tx) {
let d = {}
d.txid = response.items[i].txid;
d.time = response.items[i].time;
d.blockheight = response.items[i].blockheight;
d.data = response.items[i].floData;
filteredData.push(d);
} else
filteredData.push(response.items[i].floData);
}
resolve({
totalTxs: response.totalItems - unconfirmedCount,
data: filteredData
});
}).catch(error => {
reject(error);
});
}).catch(error => {
reject(error);
});
}
});
}
})(typeof global !== "undefined" ? global : window);
})('object' === typeof module ? module.exports : window.floBlockchainAPI = {});

View File

@ -1,339 +1,313 @@
'use strict';
(function(EXPORTS) { //floCrypto v2.3.0a
/* FLO Crypto Operators */
'use strict';
const floCrypto = EXPORTS;
(function(GLOBAL) {
const floCrypto = GLOBAL.floCrypto = {
const p = BigInteger("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F", 16);
const ecparams = EllipticCurve.getSECCurveByName("secp256k1");
const ascii_alternatives = ` '\n '\n“ "\n” "\n --\n— ---\n≥ >=\n≤ <=\n≠ !=\n× *\n÷ /\n← <-\n→ ->\n↔ <->\n⇒ =>\n⇐ <=\n⇔ <=>`;
const exponent1 = () => p.add(BigInteger.ONE).divide(BigInteger("4"));
util: {
p: BigInteger("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F", 16),
function calculateY(x) {
let exp = exponent1();
// x is x value of public key in BigInteger format without 02 or 03 or 04 prefix
return x.modPow(BigInteger("3"), p).add(BigInteger("7")).mod(p).modPow(exp, p)
}
ecparams: EllipticCurve.getSECCurveByName("secp256k1"),
function getUncompressedPublicKey(compressedPublicKey) {
// Fetch x from compressedPublicKey
let pubKeyBytes = Crypto.util.hexToBytes(compressedPublicKey);
const prefix = pubKeyBytes.shift() // remove prefix
let prefix_modulus = prefix % 2;
pubKeyBytes.unshift(0) // add prefix 0
let x = new BigInteger(pubKeyBytes)
let xDecimalValue = x.toString()
// Fetch y
let y = calculateY(x);
let yDecimalValue = y.toString();
// verify y value
let resultBigInt = y.mod(BigInteger("2"));
let check = resultBigInt.toString() % 2;
if (prefix_modulus !== check)
yDecimalValue = y.negate().mod(p).toString();
return {
x: xDecimalValue,
y: yDecimalValue
};
}
asciiAlternatives: ` '\n '\n“ "\n” "\n --\n— ---\n≥ >=\n≤ <=\n≠ !=\n× *\n÷ /\n← <-\n→ ->\n↔ <->\n⇒ =>\n⇐ <=\n⇔ <=>`,
exponent1: function() {
return this.p.add(BigInteger.ONE).divide(BigInteger("4"))
},
calculateY: function(x) {
let p = this.p;
let exp = this.exponent1();
// x is x value of public key in BigInteger format without 02 or 03 or 04 prefix
return x.modPow(BigInteger("3"), p).add(BigInteger("7")).mod(p).modPow(exp, p)
},
getUncompressedPublicKey: function(compressedPublicKey) {
const p = this.p;
// Fetch x from compressedPublicKey
let pubKeyBytes = Crypto.util.hexToBytes(compressedPublicKey);
const prefix = pubKeyBytes.shift() // remove prefix
let prefix_modulus = prefix % 2;
pubKeyBytes.unshift(0) // add prefix 0
let x = new BigInteger(pubKeyBytes)
let xDecimalValue = x.toString()
// Fetch y
let y = this.calculateY(x);
let yDecimalValue = y.toString();
// verify y value
let resultBigInt = y.mod(BigInteger("2"));
let check = resultBigInt.toString() % 2;
if (prefix_modulus !== check)
yDecimalValue = y.negate().mod(p).toString();
return {
x: xDecimalValue,
y: yDecimalValue
};
},
getSenderPublicKeyString: function() {
let privateKey = ellipticCurveEncryption.senderRandom();
var senderPublicKeyString = ellipticCurveEncryption.senderPublicString(privateKey);
return {
privateKey: privateKey,
senderPublicKeyString: senderPublicKeyString
}
},
deriveSharedKeySender: function(receiverCompressedPublicKey, senderPrivateKey) {
let receiverPublicKeyString = this.getUncompressedPublicKey(receiverCompressedPublicKey);
var senderDerivedKey = ellipticCurveEncryption.senderSharedKeyDerivation(
receiverPublicKeyString.x, receiverPublicKeyString.y, senderPrivateKey);
return senderDerivedKey;
},
deriveReceiverSharedKey: function(senderPublicKeyString, receiverPrivateKey) {
return ellipticCurveEncryption.receiverSharedKeyDerivation(
senderPublicKeyString.XValuePublicString, senderPublicKeyString.YValuePublicString, receiverPrivateKey);
},
getReceiverPublicKeyString: function(privateKey) {
return ellipticCurveEncryption.receiverPublicString(privateKey);
},
deriveSharedKeyReceiver: function(senderPublicKeyString, receiverPrivateKey) {
return ellipticCurveEncryption.receiverSharedKeyDerivation(
senderPublicKeyString.XValuePublicString, senderPublicKeyString.YValuePublicString, receiverPrivateKey);
},
wifToDecimal: function(pk_wif, isPubKeyCompressed = false) {
let pk = Bitcoin.Base58.decode(pk_wif)
pk.shift()
pk.splice(-4, 4)
//If the private key corresponded to a compressed public key, also drop the last byte (it should be 0x01).
if (isPubKeyCompressed == true) pk.pop()
pk.unshift(0)
let privateKeyDecimal = BigInteger(pk).toString()
let privateKeyHex = Crypto.util.bytesToHex(pk)
return {
privateKeyDecimal: privateKeyDecimal,
privateKeyHex: privateKeyHex
}
}
},
//generate a random Interger within range
randInt: function(min, max) {
min = Math.ceil(min);
max = Math.floor(max);
return Math.floor(Math.random() * (max - min + 1)) + min;
},
//generate a random String within length (options : alphaNumeric chars only)
randString: function(length, alphaNumeric = true) {
var result = '';
if (alphaNumeric)
var characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
else
var characters =
'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_+-./*?@#&$<>=[]{}():';
for (var i = 0; i < length; i++)
result += characters.charAt(Math.floor(Math.random() * characters.length));
return result;
},
//Encrypt Data using public-key
encryptData: function(data, receiverCompressedPublicKey) {
var senderECKeyData = this.util.getSenderPublicKeyString();
var senderDerivedKey = this.util.deriveSharedKeySender(receiverCompressedPublicKey, senderECKeyData
.privateKey);
let senderKey = senderDerivedKey.XValue + senderDerivedKey.YValue;
let secret = Crypto.AES.encrypt(data, senderKey);
return {
secret: secret,
senderPublicKeyString: senderECKeyData.senderPublicKeyString
};
},
//Decrypt Data using private-key
decryptData: function(data, myPrivateKey) {
var receiverECKeyData = {};
if (typeof myPrivateKey !== "string") throw new Error("No private key found.");
let privateKey = this.util.wifToDecimal(myPrivateKey, true);
if (typeof privateKey.privateKeyDecimal !== "string") throw new Error(
"Failed to detremine your private key.");
receiverECKeyData.privateKey = privateKey.privateKeyDecimal;
var receiverDerivedKey = this.util.deriveReceiverSharedKey(data.senderPublicKeyString,
receiverECKeyData
.privateKey);
let receiverKey = receiverDerivedKey.XValue + receiverDerivedKey.YValue;
let decryptMsg = Crypto.AES.decrypt(data.secret, receiverKey);
return decryptMsg;
},
//Sign data using private-key
signData: function(data, privateKeyHex) {
var key = new Bitcoin.ECKey(privateKeyHex);
key.setCompressed(true);
var privateKeyArr = key.getBitcoinPrivateKeyByteArray();
var privateKey = BigInteger.fromByteArrayUnsigned(privateKeyArr);
var messageHash = Crypto.SHA256(data);
var messageHashBigInteger = new BigInteger(messageHash);
var messageSign = Bitcoin.ECDSA.sign(messageHashBigInteger, key.priv);
var sighex = Crypto.util.bytesToHex(messageSign);
return sighex;
},
//Verify signatue of the data using public-key
verifySign: function(data, signatureHex, publicKeyHex) {
var msgHash = Crypto.SHA256(data);
var messageHashBigInteger = new BigInteger(msgHash);
var sigBytes = Crypto.util.hexToBytes(signatureHex);
var signature = Bitcoin.ECDSA.parseSig(sigBytes);
var publicKeyPoint = this.util.ecparams.getCurve().decodePointHex(publicKeyHex);
var verify = Bitcoin.ECDSA.verifyRaw(messageHashBigInteger, signature.r, signature.s,
publicKeyPoint);
return verify;
},
//Generates a new flo ID and returns private-key, public-key and floID
generateNewID: function() {
try {
var key = new Bitcoin.ECKey(false);
key.setCompressed(true);
return {
floID: key.getBitcoinAddress(),
pubKey: key.getPubKeyHex(),
privKey: key.getBitcoinWalletImportFormat()
}
} catch (e) {
console.error(e);
}
},
//Returns public-key from private-key
getPubKeyHex: function(privateKeyHex) {
if (!privateKeyHex)
return null;
var key = new Bitcoin.ECKey(privateKeyHex);
if (key.priv == null)
return null;
key.setCompressed(true);
return key.getPubKeyHex();
},
//Returns flo-ID from public-key or private-key
getFloID: function(keyHex) {
if (!keyHex)
return null;
try {
var key = new Bitcoin.ECKey(keyHex);
if (key.priv == null)
key.setPub(keyHex);
return key.getBitcoinAddress();
} catch (e) {
return null;
}
},
//Verify the private-key for the given public-key or flo-ID
verifyPrivKey: function(privateKeyHex, pubKey_floID, isfloID = true) {
if (!privateKeyHex || !pubKey_floID)
return false;
try {
var key = new Bitcoin.ECKey(privateKeyHex);
if (key.priv == null)
return false;
key.setCompressed(true);
if (isfloID && pubKey_floID == key.getBitcoinAddress())
return true;
else if (!isfloID && pubKey_floID == key.getPubKeyHex())
return true;
else
return false;
} catch (e) {
console.error(e);
}
},
//Check if the given Address is valid or not
validateAddr: function(inpAddr) {
if (!inpAddr)
return false;
try {
var addr = new Bitcoin.Address(inpAddr);
return true;
} catch {
return false;
}
},
//Split the str using shamir's Secret and Returns the shares
createShamirsSecretShares: function(str, total_shares, threshold_limit) {
try {
if (str.length > 0) {
var strHex = shamirSecretShare.str2hex(str);
var shares = shamirSecretShare.share(strHex, total_shares, threshold_limit);
return shares;
}
return false;
} catch {
return false
}
},
//Verifies the shares and str
verifyShamirsSecret: function(sharesArray, str) {
return (str && this.retrieveShamirSecret(sharesArray) === str)
},
//Returns the retrived secret by combining the shamirs shares
retrieveShamirSecret: function(sharesArray) {
try {
if (sharesArray.length > 0) {
var comb = shamirSecretShare.combine(sharesArray.slice(0, sharesArray.length));
comb = shamirSecretShare.hex2str(comb);
return comb;
}
return false;
} catch {
return false;
}
},
validateASCII: function(string, bool = true) {
if (typeof string !== "string")
return null;
if (bool) {
let x;
for (let i = 0; i < string.length; i++) {
x = string.charCodeAt(i);
if (x < 32 || x > 127)
return false;
}
return true;
} else {
let x, invalids = {};
for (let i = 0; i < string.length; i++) {
x = string.charCodeAt(i);
if (x < 32 || x > 127)
if (x in invalids)
invalids[string[i]].push(i)
else
invalids[string[i]] = [i];
}
if (Object.keys(invalids).length)
return invalids;
else
return true;
}
},
convertToASCII: function(string, mode = 'soft-remove') {
let chars = this.validateASCII(string, false);
if (chars === true)
return string;
else if (chars === null)
return null;
let convertor, result = string,
refAlt = {};
this.util.asciiAlternatives.split('\n').forEach(a => refAlt[a[0]] = a.slice(2));
mode = mode.toLowerCase();
if (mode === "hard-unicode")
convertor = (c) => `\\u${('000'+c.charCodeAt().toString(16)).slice(-4)}`;
else if (mode === "soft-unicode")
convertor = (c) => refAlt[c] || `\\u${('000'+c.charCodeAt().toString(16)).slice(-4)}`;
else if (mode === "hard-remove")
convertor = c => "";
else if (mode === "soft-remove")
convertor = c => refAlt[c] || "";
else
return null;
for (let c in chars)
result = result.replaceAll(c, convertor(c));
return result;
},
revertUnicode: function(string) {
return string.replace(/\\u[\dA-F]{4}/gi,
m => String.fromCharCode(parseInt(m.replace(/\\u/g, ''), 16)));
function getSenderPublicKeyString() {
let privateKey = ellipticCurveEncryption.senderRandom();
var senderPublicKeyString = ellipticCurveEncryption.senderPublicString(privateKey);
return {
privateKey: privateKey,
senderPublicKeyString: senderPublicKeyString
}
}
})(typeof global !== "undefined" ? global : window);
function deriveSharedKeySender(receiverPublicKeyHex, senderPrivateKey) {
let receiverPublicKeyString = getUncompressedPublicKey(receiverPublicKeyHex);
var senderDerivedKey = ellipticCurveEncryption.senderSharedKeyDerivation(
receiverPublicKeyString.x, receiverPublicKeyString.y, senderPrivateKey);
return senderDerivedKey;
}
function deriveSharedKeyReceiver(senderPublicKeyString, receiverPrivateKey) {
return ellipticCurveEncryption.receiverSharedKeyDerivation(
senderPublicKeyString.XValuePublicString, senderPublicKeyString.YValuePublicString, receiverPrivateKey);
}
function getReceiverPublicKeyString(privateKey) {
return ellipticCurveEncryption.receiverPublicString(privateKey);
}
function wifToDecimal(pk_wif, isPubKeyCompressed = false) {
let pk = Bitcoin.Base58.decode(pk_wif)
pk.shift()
pk.splice(-4, 4)
//If the private key corresponded to a compressed public key, also drop the last byte (it should be 0x01).
if (isPubKeyCompressed == true) pk.pop()
pk.unshift(0)
let privateKeyDecimal = BigInteger(pk).toString()
let privateKeyHex = Crypto.util.bytesToHex(pk)
return {
privateKeyDecimal: privateKeyDecimal,
privateKeyHex: privateKeyHex
}
}
//generate a random Interger within range
floCrypto.randInt = function(min, max) {
min = Math.ceil(min);
max = Math.floor(max);
return Math.floor(Math.random() * (max - min + 1)) + min;
}
//generate a random String within length (options : alphaNumeric chars only)
floCrypto.randString = function(length, alphaNumeric = true) {
var result = '';
var characters = alphaNumeric ? 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789' :
'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_+-./*?@#&$<>=[]{}():';
for (var i = 0; i < length; i++)
result += characters.charAt(Math.floor(Math.random() * characters.length));
return result;
}
//Encrypt Data using public-key
floCrypto.encryptData = function(data, receiverPublicKeyHex) {
var senderECKeyData = getSenderPublicKeyString();
var senderDerivedKey = deriveSharedKeySender(receiverPublicKeyHex, senderECKeyData.privateKey);
let senderKey = senderDerivedKey.XValue + senderDerivedKey.YValue;
let secret = Crypto.AES.encrypt(data, senderKey);
return {
secret: secret,
senderPublicKeyString: senderECKeyData.senderPublicKeyString
};
}
//Decrypt Data using private-key
floCrypto.decryptData = function(data, privateKeyHex) {
var receiverECKeyData = {};
if (typeof privateKeyHex !== "string") throw new Error("No private key found.");
let privateKey = wifToDecimal(privateKeyHex, true);
if (typeof privateKey.privateKeyDecimal !== "string") throw new Error("Failed to detremine your private key.");
receiverECKeyData.privateKey = privateKey.privateKeyDecimal;
var receiverDerivedKey = deriveSharedKeyReceiver(data.senderPublicKeyString, receiverECKeyData.privateKey);
let receiverKey = receiverDerivedKey.XValue + receiverDerivedKey.YValue;
let decryptMsg = Crypto.AES.decrypt(data.secret, receiverKey);
return decryptMsg;
}
//Sign data using private-key
floCrypto.signData = function(data, privateKeyHex) {
var key = new Bitcoin.ECKey(privateKeyHex);
key.setCompressed(true);
var privateKeyArr = key.getBitcoinPrivateKeyByteArray();
var privateKey = BigInteger.fromByteArrayUnsigned(privateKeyArr);
var messageHash = Crypto.SHA256(data);
var messageHashBigInteger = new BigInteger(messageHash);
var messageSign = Bitcoin.ECDSA.sign(messageHashBigInteger, key.priv);
var sighex = Crypto.util.bytesToHex(messageSign);
return sighex;
}
//Verify signatue of the data using public-key
floCrypto.verifySign = function(data, signatureHex, publicKeyHex) {
var msgHash = Crypto.SHA256(data);
var messageHashBigInteger = new BigInteger(msgHash);
var sigBytes = Crypto.util.hexToBytes(signatureHex);
var signature = Bitcoin.ECDSA.parseSig(sigBytes);
var publicKeyPoint = ecparams.getCurve().decodePointHex(publicKeyHex);
var verify = Bitcoin.ECDSA.verifyRaw(messageHashBigInteger, signature.r, signature.s, publicKeyPoint);
return verify;
}
//Generates a new flo ID and returns private-key, public-key and floID
const generateNewID = floCrypto.generateNewID = function() {
var key = new Bitcoin.ECKey(false);
key.setCompressed(true);
return {
floID: key.getBitcoinAddress(),
pubKey: key.getPubKeyHex(),
privKey: key.getBitcoinWalletImportFormat()
}
}
Object.defineProperty(floCrypto, 'newID', {
get: () => generateNewID()
});
//Returns public-key from private-key
floCrypto.getPubKeyHex = function(privateKeyHex) {
if (!privateKeyHex)
return null;
var key = new Bitcoin.ECKey(privateKeyHex);
if (key.priv == null)
return null;
key.setCompressed(true);
return key.getPubKeyHex();
}
//Returns flo-ID from public-key or private-key
floCrypto.getFloID = function(keyHex) {
if (!keyHex)
return null;
try {
var key = new Bitcoin.ECKey(keyHex);
if (key.priv == null)
key.setPub(keyHex);
return key.getBitcoinAddress();
} catch {
return null;
}
}
//Verify the private-key for the given public-key or flo-ID
floCrypto.verifyPrivKey = function(privateKeyHex, pubKey_floID, isfloID = true) {
if (!privateKeyHex || !pubKey_floID)
return false;
try {
var key = new Bitcoin.ECKey(privateKeyHex);
if (key.priv == null)
return false;
key.setCompressed(true);
if (isfloID && pubKey_floID == key.getBitcoinAddress())
return true;
else if (!isfloID && pubKey_floID == key.getPubKeyHex())
return true;
else
return false;
} catch {
return null;
}
}
//Check if the given Address is valid or not
floCrypto.validateFloID = floCrypto.validateAddr = function(inpAddr) {
if (!inpAddr)
return false;
try {
let addr = new Bitcoin.Address(inpAddr);
return true;
} catch {
return false;
}
}
//Split the str using shamir's Secret and Returns the shares
floCrypto.createShamirsSecretShares = function(str, total_shares, threshold_limit) {
try {
if (str.length > 0) {
var strHex = shamirSecretShare.str2hex(str);
var shares = shamirSecretShare.share(strHex, total_shares, threshold_limit);
return shares;
}
return false;
} catch {
return false
}
}
//Returns the retrived secret by combining the shamirs shares
const retrieveShamirSecret = floCrypto.retrieveShamirSecret = function(sharesArray) {
try {
if (sharesArray.length > 0) {
var comb = shamirSecretShare.combine(sharesArray.slice(0, sharesArray.length));
comb = shamirSecretShare.hex2str(comb);
return comb;
}
return false;
} catch {
return false;
}
}
//Verifies the shares and str
floCrypto.verifyShamirsSecret = function(sharesArray, str) {
if (!str)
return null;
else if (retrieveShamirSecret(sharesArray) === str)
return true;
else
return false;
}
const validateASCII = floCrypto.validateASCII = function(string, bool = true) {
if (typeof string !== "string")
return null;
if (bool) {
let x;
for (let i = 0; i < string.length; i++) {
x = string.charCodeAt(i);
if (x < 32 || x > 127)
return false;
}
return true;
} else {
let x, invalids = {};
for (let i = 0; i < string.length; i++) {
x = string.charCodeAt(i);
if (x < 32 || x > 127)
if (x in invalids)
invalids[string[i]].push(i)
else
invalids[string[i]] = [i];
}
if (Object.keys(invalids).length)
return invalids;
else
return true;
}
}
floCrypto.convertToASCII = function(string, mode = 'soft-remove') {
let chars = validateASCII(string, false);
if (chars === true)
return string;
else if (chars === null)
return null;
let convertor, result = string,
refAlt = {};
ascii_alternatives.split('\n').forEach(a => refAlt[a[0]] = a.slice(2));
mode = mode.toLowerCase();
if (mode === "hard-unicode")
convertor = (c) => `\\u${('000'+c.charCodeAt().toString(16)).slice(-4)}`;
else if (mode === "soft-unicode")
convertor = (c) => refAlt[c] || `\\u${('000'+c.charCodeAt().toString(16)).slice(-4)}`;
else if (mode === "hard-remove")
convertor = c => "";
else if (mode === "soft-remove")
convertor = c => refAlt[c] || "";
else
return null;
for (let c in chars)
result = result.replaceAll(c, convertor(c));
return result;
}
floCrypto.revertUnicode = function(string) {
return string.replace(/\\u[\dA-F]{4}/gi,
m => String.fromCharCode(parseInt(m.replace(/\\u/g, ''), 16)));
}
})('object' === typeof module ? module.exports : window.floCrypto = {});

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@ -1,10 +1,10 @@
const fs = require('fs');
const getInput = require('./getInput');
const floGlobals = require('../docs/scripts/floGlobals');
global.floGlobals = require('../docs/scripts/floGlobals');
require('../src/set_globals');
require('../docs/scripts/lib');
require('../docs/scripts/floCrypto');
const floCrypto = require('../docs/scripts/floCrypto');
console.log(__dirname);

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@ -2,8 +2,8 @@
global.floGlobals = require('../docs/scripts/floGlobals');
require('./set_globals');
require('../docs/scripts/lib');
require('../docs/scripts/floCrypto');
require('../docs/scripts/floBlockchainAPI');
global.floCrypto = require('../docs/scripts/floCrypto');
global.floBlockchainAPI = require('../docs/scripts/floBlockchainAPI');
require('../docs/scripts/floTokenAPI');
const Database = require("./database");