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Merge pull request #11 from ranchimall/dev

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flosight changes
This commit is contained in:
Sai Raj 2023-05-19 02:22:25 +05:30 committed by GitHub
commit e5b05ed302
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 2193 additions and 935 deletions
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2
src/base_tables.json
View File

@ -1,7 +1,7 @@
{
"LastTxs": {
"ID": "CHAR(34) NOT NULL",
"N": "INT NOT NULL",
"N": "VARCHAR(128) NOT NULL",
"PRIMARY": "KEY (ID)"
},
"Configs": {

798
src/floBlockchainAPI.js
View File

@ -1,4 +1,4 @@
(function (EXPORTS) { //floBlockchainAPI v2.3.3e
(function (EXPORTS) { //floBlockchainAPI v2.5.6b
/* FLO Blockchain Operator to send/receive data from blockchain using API calls*/
'use strict';
const floBlockchainAPI = EXPORTS;
@ -6,15 +6,24 @@
const DEFAULT = {
blockchain: floGlobals.blockchain,
apiURL: {
FLO: ['https://flosight.duckdns.org/', 'https://flosight.ranchimall.net/'],
FLO_TEST: ['https://testnet-flosight.duckdns.org', 'https://testnet.flocha.in/']
FLO: ['https://flosight.ranchimall.net/'],
FLO_TEST: ['https://flosight-testnet.ranchimall.net/']
},
sendAmt: 0.001,
fee: 0.0005,
minChangeAmt: 0.0005,
sendAmt: 0.0003,
fee: 0.0002,
minChangeAmt: 0.0002,
receiverID: floGlobals.adminID
};
const SATOSHI_IN_BTC = 1e8;
const isUndefined = val => typeof val === 'undefined';
const util = floBlockchainAPI.util = {};
util.Sat_to_FLO = value => parseFloat((value / SATOSHI_IN_BTC).toFixed(8));
util.FLO_to_Sat = value => parseInt(value * SATOSHI_IN_BTC);
util.toFixed = value => parseFloat((value).toFixed(8));
Object.defineProperties(floBlockchainAPI, {
sendAmt: {
get: () => DEFAULT.sendAmt,
@ -103,9 +112,11 @@
});
//Promised function to get data from API
const promisedAPI = floBlockchainAPI.promisedAPI = floBlockchainAPI.fetch = function (apicall) {
const promisedAPI = floBlockchainAPI.promisedAPI = floBlockchainAPI.fetch = function (apicall, query_params = undefined) {
return new Promise((resolve, reject) => {
//console.log(apicall);
if (!isUndefined(query_params))
apicall += '?' + new URLSearchParams(JSON.parse(JSON.stringify(query_params))).toString();
//console.debug(apicall);
fetch_api(apicall)
.then(result => resolve(result))
.catch(error => reject(error));
@ -113,25 +124,55 @@
}
//Get balance for the given Address
const getBalance = floBlockchainAPI.getBalance = function (addr) {
const getBalance = floBlockchainAPI.getBalance = function (addr, after = null) {
return new Promise((resolve, reject) => {
promisedAPI(`api/addr/${addr}/balance`)
.then(balance => resolve(parseFloat(balance)))
.catch(error => reject(error));
let api = `api/addr/${addr}/balance`, query_params = {};
if (after) {
if (typeof after === 'string' && /^[0-9a-z]{64}$/i.test(after))
query_params.after = after;
else return reject("Invalid 'after' parameter");
}
promisedAPI(api, query_params).then(result => {
if (typeof result === 'object' && result.lastItem) {
getBalance(addr, result.lastItem)
.then(r => resolve(util.toFixed(r + result.data)))
.catch(error => reject(error))
} else resolve(result);
}).catch(error => reject(error))
});
}
//Send Tx to blockchain
const sendTx = floBlockchainAPI.sendTx = function (senderAddr, receiverAddr, sendAmt, privKey, floData = '', strict_utxo = true) {
const getUTXOs = address => new Promise((resolve, reject) => {
promisedAPI(`api/addr/${address}/utxo`)
.then(utxo => resolve(utxo))
.catch(error => reject(error))
})
const getUnconfirmedSpent = address => new Promise((resolve, reject) => {
readTxs(address, { mempool: "only" }).then(result => {
let unconfirmedSpent = {};
for (let tx of result.items)
if (tx.confirmations == 0)
for (let vin of tx.vin)
if (vin.addr === address) {
if (Array.isArray(unconfirmedSpent[vin.txid]))
unconfirmedSpent[vin.txid].push(vin.vout);
else
unconfirmedSpent[vin.txid] = [vin.vout];
}
resolve(unconfirmedSpent);
}).catch(error => reject(error))
})
//create a transaction with single sender
const createTx = function (senderAddr, receiverAddr, sendAmt, 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.validateFloID(senderAddr))
else if (!floCrypto.validateFloID(senderAddr, true))
return reject(`Invalid address : ${senderAddr}`);
else if (!floCrypto.validateFloID(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 : ${sendAmt}`);
@ -139,51 +180,58 @@
var fee = DEFAULT.fee;
if (balance < sendAmt + fee)
return reject("Insufficient FLO balance!");
//get unconfirmed tx list
promisedAPI(`api/addr/${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;
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: Some UTXOs are unconfirmed");
else {
trx.addoutput(receiverAddr, sendAmt);
var change = utxoAmt - sendAmt - fee;
if (change > DEFAULT.minChangeAmt)
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))
getUnconfirmedSpent(senderAddr).then(unconfirmedSpent => {
getUTXOs(senderAddr).then(utxos => {
//form/construct the transaction data
var trx = bitjs.transaction();
var utxoAmt = 0.0;
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: Some UTXOs are unconfirmed");
else {
trx.addoutput(receiverAddr, sendAmt);
var change = utxoAmt - sendAmt - fee;
if (change > DEFAULT.minChangeAmt)
trx.addoutput(senderAddr, change);
trx.addflodata(floData.replace(/\n/g, ' '));
resolve(trx);
}
}).catch(error => reject(error))
}).catch(error => reject(error))
}).catch(error => reject(error))
})
}
floBlockchainAPI.createTx = function (senderAddr, receiverAddr, sendAmt, floData = '', strict_utxo = true) {
return new Promise((resolve, reject) => {
createTx(senderAddr, receiverAddr, sendAmt, floData, strict_utxo)
.then(trx => resolve(trx.serialize()))
.catch(error => reject(error))
})
}
//Send Tx to blockchain
const sendTx = floBlockchainAPI.sendTx = function (senderAddr, receiverAddr, sendAmt, privKey, floData = '', strict_utxo = true) {
return new Promise((resolve, reject) => {
if (!floCrypto.validateFloID(senderAddr, true))
return reject(`Invalid address : ${senderAddr}`);
else if (privKey.length < 1 || !floCrypto.verifyPrivKey(privKey, senderAddr))
return reject("Invalid Private key!");
createTx(senderAddr, receiverAddr, sendAmt, floData, strict_utxo).then(trx => {
var signedTxHash = trx.sign(privKey, 1);
broadcastTx(signedTxHash)
.then(txid => resolve(txid))
.catch(error => reject(error))
}).catch(error => reject(error))
});
}
@ -203,7 +251,7 @@
//merge all UTXOs of a given floID into a single UTXO
floBlockchainAPI.mergeUTXOs = function (floID, privKey, floData = '') {
return new Promise((resolve, reject) => {
if (!floCrypto.validateFloID(floID))
if (!floCrypto.validateFloID(floID, true))
return reject(`Invalid floID`);
if (!floCrypto.verifyPrivKey(privKey, floID))
return reject("Invalid Private Key");
@ -212,7 +260,7 @@
var trx = bitjs.transaction();
var utxoAmt = 0.0;
var fee = DEFAULT.fee;
promisedAPI(`api/addr/${floID}/utxo`).then(utxos => {
getUTXOs(floID).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);
@ -228,6 +276,56 @@
})
}
//split sufficient UTXOs of a given floID for a parallel sending
floBlockchainAPI.splitUTXOs = function (floID, privKey, count, floData = '') {
return new Promise((resolve, reject) => {
if (!floCrypto.validateFloID(floID, true))
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 fee = DEFAULT.fee;
var splitAmt = DEFAULT.sendAmt + fee;
var totalAmt = splitAmt * count;
getBalance(floID).then(balance => {
var fee = DEFAULT.fee;
if (balance < totalAmt + fee)
return reject("Insufficient FLO balance!");
//get unconfirmed tx list
getUnconfirmedSpent(floID).then(unconfirmedSpent => {
getUTXOs(floID).then(utxos => {
var trx = bitjs.transaction();
var utxoAmt = 0.0;
for (let i = utxos.length - 1; (i >= 0) && (utxoAmt < totalAmt + 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 < totalAmt + fee)
reject("Insufficient FLO: Some UTXOs are unconfirmed");
else {
for (let i = 0; i < count; i++)
trx.addoutput(floID, splitAmt);
var change = utxoAmt - totalAmt - fee;
if (change > DEFAULT.minChangeAmt)
trx.addoutput(floID, 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))
})
}
/**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
@ -235,11 +333,11 @@
* @param {boolean} preserveRatio (optional) preserve ratio or equal contribution
* @return {Promise}
*/
floBlockchainAPI.writeDataMultiple = function (senderPrivKeys, data, receivers = [DEFAULT.receiverID], preserveRatio = true) {
floBlockchainAPI.writeDataMultiple = function (senderPrivKeys, data, receivers = [DEFAULT.receiverID], options = {}) {
return new Promise((resolve, reject) => {
if (!Array.isArray(senderPrivKeys))
return reject("Invalid senderPrivKeys: SenderPrivKeys must be Array");
if (!preserveRatio) {
if (options.preserveRatio === false) {
let tmp = {};
let amount = (DEFAULT.sendAmt * receivers.length) / senderPrivKeys.length;
senderPrivKeys.forEach(key => tmp[key] = amount);
@ -249,7 +347,7 @@
return reject("Invalid receivers: Receivers must be Array");
else {
let tmp = {};
let amount = DEFAULT.sendAmt;
let amount = options.sendAmt || DEFAULT.sendAmt;
receivers.forEach(floID => tmp[floID] = amount);
receivers = tmp
}
@ -379,9 +477,8 @@
//Get the UTXOs of the senders
let promises = [];
for (let floID in senders)
promises.push(promisedAPI(`api/addr/${floID}/utxo`));
promises.push(getUTXOs(floID));
Promise.all(promises).then(results => {
let wifSeq = [];
var trx = bitjs.transaction();
for (let floID in senders) {
let utxos = results.shift();
@ -391,13 +488,11 @@
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;
}
}
@ -410,8 +505,8 @@
for (let 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);
for (let floID in senders)
trx.sign(senders[floID].wif, 1);
var signedTxHash = trx.serialize();
broadcastTx(signedTxHash)
.then(txid => resolve(txid))
@ -421,6 +516,259 @@
})
}
//Create a multisig transaction
const createMultisigTx = function (redeemScript, receivers, amounts, floData = '', strict_utxo = true) {
return new Promise((resolve, reject) => {
var multisig = floCrypto.decodeRedeemScript(redeemScript);
//validate multisig script and flodata
if (!multisig)
return reject(`Invalid redeemScript`);
var senderAddr = multisig.address;
if (!floCrypto.validateFloID(senderAddr))
return reject(`Invalid multisig : ${senderAddr}`);
else if (!floCrypto.validateASCII(floData))
return reject("Invalid FLO_Data: only printable ASCII characters are allowed");
//validate receiver addresses
if (!Array.isArray(receivers))
receivers = [receivers];
for (let r of receivers)
if (!floCrypto.validateFloID(r))
return reject(`Invalid address : ${r}`);
//validate amounts
if (!Array.isArray(amounts))
amounts = [amounts];
if (amounts.length != receivers.length)
return reject("Receivers and amounts have different length");
var sendAmt = 0;
for (let a of amounts) {
if (typeof a !== 'number' || a <= 0)
return reject(`Invalid amount : ${a}`);
sendAmt += a;
}
getBalance(senderAddr).then(balance => {
var fee = DEFAULT.fee;
if (balance < sendAmt + fee)
return reject("Insufficient FLO balance!");
getUnconfirmedSpent(senderAddr).then(unconfirmedSpent => {
getUTXOs(senderAddr).then(utxos => {
//form/construct the transaction data
var trx = bitjs.transaction();
var utxoAmt = 0.0;
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, redeemScript); //for multisig, script=redeemScript
utxoAmt += utxos[i].amount;
};
}
if (utxoAmt < sendAmt + fee)
reject("Insufficient FLO: Some UTXOs are unconfirmed");
else {
for (let i in receivers)
trx.addoutput(receivers[i], amounts[i]);
var change = utxoAmt - sendAmt - fee;
if (change > DEFAULT.minChangeAmt)
trx.addoutput(senderAddr, change);
trx.addflodata(floData.replace(/\n/g, ' '));
resolve(trx);
}
}).catch(error => reject(error))
}).catch(error => reject(error))
}).catch(error => reject(error))
});
}
//Same as above, but explict call should return serialized tx-hex
floBlockchainAPI.createMultisigTx = function (redeemScript, receivers, amounts, floData = '', strict_utxo = true) {
return new Promise((resolve, reject) => {
createMultisigTx(redeemScript, receivers, amounts, floData, strict_utxo)
.then(trx => resolve(trx.serialize()))
.catch(error => reject(error))
})
}
//Create and send multisig transaction
const sendMultisigTx = floBlockchainAPI.sendMultisigTx = function (redeemScript, privateKeys, receivers, amounts, floData = '', strict_utxo = true) {
return new Promise((resolve, reject) => {
var multisig = floCrypto.decodeRedeemScript(redeemScript);
if (!multisig)
return reject(`Invalid redeemScript`);
if (privateKeys.length < multisig.required)
return reject(`Insufficient privateKeys (required ${multisig.required})`);
for (let pk of privateKeys) {
var flag = false;
for (let pub of multisig.pubkeys)
if (floCrypto.verifyPrivKey(pk, pub, false))
flag = true;
if (!flag)
return reject(`Invalid Private key`);
}
createMultisigTx(redeemScript, receivers, amounts, floData, strict_utxo).then(trx => {
for (let pk of privateKeys)
trx.sign(pk, 1);
var signedTxHash = trx.serialize();
broadcastTx(signedTxHash)
.then(txid => resolve(txid))
.catch(error => reject(error))
}).catch(error => reject(error))
})
}
floBlockchainAPI.writeMultisigData = function (redeemScript, data, privatekeys, receiverAddr = DEFAULT.receiverID, options = {}) {
let strict_utxo = options.strict_utxo === false ? false : true,
sendAmt = isNaN(options.sendAmt) ? DEFAULT.sendAmt : options.sendAmt;
return new Promise((resolve, reject) => {
if (!floCrypto.validateFloID(receiverAddr))
return reject(`Invalid receiver: ${receiverAddr}`);
sendMultisigTx(redeemScript, privatekeys, receiverAddr, sendAmt, data, strict_utxo)
.then(txid => resolve(txid))
.catch(error => reject(error))
})
}
function deserializeTx(tx) {
if (typeof tx === 'string' || Array.isArray(tx)) {
try {
tx = bitjs.transaction(tx);
} catch {
throw "Invalid transaction hex";
}
} else if (typeof tx !== 'object' || typeof tx.sign !== 'function')
throw "Invalid transaction object";
return tx;
}
floBlockchainAPI.signTx = function (tx, privateKey, sighashtype = 1) {
if (!floCrypto.getFloID(privateKey))
throw "Invalid Private key";
//deserialize if needed
tx = deserializeTx(tx);
var signedTxHex = tx.sign(privateKey, sighashtype);
return signedTxHex;
}
const checkSigned = floBlockchainAPI.checkSigned = function (tx, bool = true) {
tx = deserializeTx(tx);
let n = [];
for (let i = 0; i < tx.inputs.length; i++) {
var s = tx.scriptDecode(i);
if (s['type'] === 'scriptpubkey')
n.push(s.signed);
else if (s['type'] === 'multisig') {
var rs = tx.decodeRedeemScript(s['rs']);
let x = {
s: 0,
r: rs['required'],
t: rs['pubkeys'].length
};
//check input script for signatures
var script = Array.from(tx.inputs[i].script);
if (script[0] == 0) { //script with signatures
script = tx.parseScript(script);
for (var k = 0; k < script.length; k++)
if (Array.isArray(script[k]) && script[k][0] == 48) //0x30 DERSequence
x.s++;
}
//validate counts
if (x.r > x.t)
throw "signaturesRequired is more than publicKeys";
else if (x.s < x.r)
n.push(x);
else
n.push(true);
}
}
return bool ? !(n.filter(x => x !== true).length) : n;
}
floBlockchainAPI.checkIfSameTx = function (tx1, tx2) {
tx1 = deserializeTx(tx1);
tx2 = deserializeTx(tx2);
//compare input and output length
if (tx1.inputs.length !== tx2.inputs.length || tx1.outputs.length !== tx2.outputs.length)
return false;
//compare flodata
if (tx1.floData !== tx2.floData)
return false
//compare inputs
for (let i = 0; i < tx1.inputs.length; i++)
if (tx1.inputs[i].outpoint.hash !== tx2.inputs[i].outpoint.hash || tx1.inputs[i].outpoint.index !== tx2.inputs[i].outpoint.index)
return false;
//compare outputs
for (let i = 0; i < tx1.outputs.length; i++)
if (tx1.outputs[i].value !== tx2.outputs[i].value || Crypto.util.bytesToHex(tx1.outputs[i].script) !== Crypto.util.bytesToHex(tx2.outputs[i].script))
return false;
return true;
}
floBlockchainAPI.transactionID = function (tx) {
tx = deserializeTx(tx);
let clone = bitjs.clone(tx);
let raw_bytes = Crypto.util.hexToBytes(clone.serialize());
let txid = Crypto.SHA256(Crypto.SHA256(raw_bytes, { asBytes: true }), { asBytes: true }).reverse();
return Crypto.util.bytesToHex(txid);
}
const getTxOutput = (txid, i) => new Promise((resolve, reject) => {
promisedAPI(`api/tx/${txid}`)
.then(result => resolve(result.vout[i]))
.catch(error => reject(error))
});
function getOutputAddress(outscript) {
var bytes, version;
switch (outscript[0]) {
case 118: //legacy
bytes = outscript.slice(3, outscript.length - 2);
version = bitjs.pub;
break
case 169: //multisig
bytes = outscript.slice(2, outscript.length - 1);
version = bitjs.multisig;
break;
default: return; //unknown
}
bytes.unshift(version);
var hash = Crypto.SHA256(Crypto.SHA256(bytes, { asBytes: true }), { asBytes: true });
var checksum = hash.slice(0, 4);
return bitjs.Base58.encode(bytes.concat(checksum));
}
floBlockchainAPI.parseTransaction = function (tx) {
return new Promise((resolve, reject) => {
tx = deserializeTx(tx);
let result = {};
let promises = [];
//Parse Inputs
for (let i = 0; i < tx.inputs.length; i++)
promises.push(getTxOutput(tx.inputs[i].outpoint.hash, tx.inputs[i].outpoint.index));
Promise.all(promises).then(inputs => {
result.inputs = inputs.map(inp => Object({
address: inp.scriptPubKey.addresses[0],
value: parseFloat(inp.value)
}));
let signed = checkSigned(tx, false);
result.inputs.forEach((inp, i) => inp.signed = signed[i]);
//Parse Outputs
result.outputs = tx.outputs.map(out => Object({
address: getOutputAddress(out.script),
value: util.Sat_to_FLO(out.value)
}))
//Parse Totals
result.total_input = parseFloat(result.inputs.reduce((a, inp) => a += inp.value, 0).toFixed(8));
result.total_output = parseFloat(result.outputs.reduce((a, out) => a += out.value, 0).toFixed(8));
result.fee = parseFloat((result.total_input - result.total_output).toFixed(8));
result.floData = tx.floData;
resolve(result);
}).catch(error => reject(error))
})
}
//Broadcast signed Tx in blockchain using API
const broadcastTx = floBlockchainAPI.broadcastTx = function (signedTxHash) {
return new Promise((resolve, reject) => {
@ -442,7 +790,7 @@
})
}
floBlockchainAPI.getTx = function (txid) {
const getTx = floBlockchainAPI.getTx = function (txid) {
return new Promise((resolve, reject) => {
promisedAPI(`api/tx/${txid}`)
.then(response => resolve(response))
@ -450,30 +798,89 @@
})
}
//Read Txs of Address between from and to
const readTxs = floBlockchainAPI.readTxs = function (addr, from, to) {
/**Wait for the given txid to get confirmation in blockchain
* @param {string} txid of the transaction to wait for
* @param {int} max_retry: maximum number of retries before exiting wait. negative number = Infinite retries (DEFAULT: -1 ie, infinite retries)
* @param {Array} retry_timeout: time (seconds) between retries (DEFAULT: 20 seconds)
* @return {Promise} resolves when tx gets confirmation
*/
const waitForConfirmation = floBlockchainAPI.waitForConfirmation = function (txid, max_retry = -1, retry_timeout = 20) {
return new Promise((resolve, reject) => {
promisedAPI(`api/addrs/${addr}/txs?from=${from}&to=${to}`)
setTimeout(function () {
getTx(txid).then(tx => {
if (!tx)
return reject("Transaction not found");
if (tx.confirmations)
return resolve(tx);
else if (max_retry === 0) //no more retries
return reject("Waiting timeout: tx still not confirmed");
else {
max_retry = max_retry < 0 ? -1 : max_retry - 1; //decrease retry count (unless infinite retries)
waitForConfirmation(txid, max_retry, retry_timeout)
.then(result => resolve(result))
.catch(error => reject(error))
}
}).catch(error => reject(error))
}, retry_timeout * 1000)
})
}
//Read Txs of Address between from and to
const readTxs = floBlockchainAPI.readTxs = function (addr, options = {}) {
return new Promise((resolve, reject) => {
let api = `api/addrs/${addr}/txs`;
//API options
let query_params = {};
if (!isUndefined(options.after) || !isUndefined(options.before)) {
if (!isUndefined(options.after))
query_params.after = options.after;
if (!isUndefined(options.before))
query_params.before = options.before;
} else {
if (!isUndefined(options.from))
query_params.from = options.from;
if (!isUndefined(options.to))
query_params.to = options.to;
}
if (!isUndefined(options.latest))
query_params.latest = options.latest;
if (!isUndefined(options.mempool))
query_params.mempool = options.mempool;
promisedAPI(api, query_params)
.then(response => resolve(response))
.catch(error => reject(error))
});
}
//Read All Txs of Address (newest first)
floBlockchainAPI.readAllTxs = function (addr) {
const readAllTxs = floBlockchainAPI.readAllTxs = function (addr, options = {}) {
return new Promise((resolve, reject) => {
promisedAPI(`api/addrs/${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))
readTxs(addr, options).then(response => {
if (response.incomplete) {
let next_options = Object.assign({}, options);
if (options.latest)
next_options.before = response.initItem; //update before for chain query (latest 1st)
else
next_options.after = response.lastItem; //update after for chain query (oldest 1st)
readAllTxs(addr, next_options).then(r => {
r.items = r.items.concat(response.items); //latest tx are 1st in array
resolve(r);
}).catch(error => reject(error))
} else
resolve({
lastItem: response.lastItem || options.after,
items: response.items
});
})
});
}
/*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)
after : query after the given txid
before : query before the given txid
mempool : query mempool tx or not (options same as readAllTx, DEFAULT=false: ignore unconfirmed tx)
ignoreOld : ignore old txs (deprecated: support for backward compatibility only, cannot be used with 'after')
sentOnly : filters only sent data
receivedOnly: filters only received data
pattern : filters data that with JSON pattern
@ -483,98 +890,149 @@
receiver : flo-id(s) of receiver
*/
floBlockchainAPI.readData = function (addr, options = {}) {
options.limit = options.limit || 0;
options.ignoreOld = options.ignoreOld || 0;
if (typeof options.senders === "string") options.senders = [options.senders];
if (typeof options.receivers === "string") options.receivers = [options.receivers];
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.senders)) {
let flag = false;
for (let vin of response.items[i].vin)
if (options.senders.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.receivers)) {
let flag = false;
for (let vout of response.items[i].vout)
if (options.receivers.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.senders = new Set(response.items[i].vin.map(v => v.addr));
d.receivers = new Set(response.items[i].vout.map(v => v.scriptPubKey.addresses[0]));
d.data = response.items[i].floData;
filteredData.push(d);
} else
filteredData.push(response.items[i].floData);
//fetch options
let query_options = {};
query_options.mempool = isUndefined(options.mempool) ? false : options.mempool; //DEFAULT: ignore unconfirmed tx
if (!isUndefined(options.after) || !isUndefined(options.before)) {
if (!isUndefined(options.ignoreOld)) //Backward support
return reject("Invalid options: cannot use after/before and ignoreOld in same query");
//use passed after and/or before options (options remain undefined if not passed)
query_options.after = options.after;
query_options.before = options.before;
}
readAllTxs(addr, query_options).then(response => {
if (Number.isInteger(options.ignoreOld)) //backward support, cannot be used with options.after or options.before
response.items.splice(-options.ignoreOld); //negative to count from end of the array
if (typeof options.senders === "string") options.senders = [options.senders];
if (typeof options.receivers === "string") options.receivers = [options.receivers];
//filter the txs based on options
const filteredData = response.items.filter(tx => {
if (!tx.confirmations) //unconfirmed transactions: this should not happen as we send mempool=false in API query
return false;
if (options.sentOnly && !tx.vin.some(vin => vin.addr === addr))
return false;
else if (Array.isArray(options.senders) && !tx.vin.some(vin => options.senders.includes(vin.addr)))
return false;
if (options.receivedOnly && !tx.vout.some(vout => vout.scriptPubKey.addresses[0] === addr))
return false;
else if (Array.isArray(options.receivers) && !tx.vout.some(vout => options.receivers.includes(vout.scriptPubKey.addresses[0])))
return false;
if (options.pattern) {
try {
let jsonContent = JSON.parse(tx.floData);
if (!Object.keys(jsonContent).includes(options.pattern))
return false;
} catch {
return false;
}
}
resolve({
totalTxs: response.totalItems - unconfirmedCount,
data: filteredData
});
}).catch(error => {
reject(error);
});
}).catch(error => {
reject(error);
});
});
if (options.filter && !options.filter(tx.floData))
return false;
return true;
}).map(tx => options.tx ? {
txid: tx.txid,
time: tx.time,
blockheight: tx.blockheight,
senders: new Set(tx.vin.map(v => v.addr)),
receivers: new Set(tx.vout.map(v => v.scriptPubKey.addresses[0])),
data: tx.floData
} : tx.floData);
const result = { lastItem: response.lastItem };
if (options.tx)
result.items = filteredData;
else
result.data = filteredData
resolve(result);
}).catch(error => reject(error))
})
}
/*Get the latest flo Data that match the caseFn from txs of given Address
caseFn: (function) flodata => return bool value
options can be used to filter data
after : query after the given txid
before : query before the given txid
mempool : query mempool tx or not (options same as readAllTx, DEFAULT=false: ignore unconfirmed tx)
sentOnly : filters only sent data
receivedOnly: filters only received data
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
*/
const getLatestData = floBlockchainAPI.getLatestData = function (addr, caseFn, options = {}) {
return new Promise((resolve, reject) => {
//fetch options
let query_options = { latest: true };
query_options.mempool = isUndefined(options.mempool) ? false : options.mempool; //DEFAULT: ignore unconfirmed tx
if (!isUndefined(options.after)) query_options.after = options.after;
if (!isUndefined(options.before)) query_options.before = options.before;
readTxs(addr, query_options).then(response => {
if (typeof options.senders === "string") options.senders = [options.senders];
if (typeof options.receivers === "string") options.receivers = [options.receivers];
var item = response.items.find(tx => {
if (!tx.confirmations) //unconfirmed transactions: this should not happen as we send mempool=false in API query
return false;
if (options.sentOnly && !tx.vin.some(vin => vin.addr === addr))
return false;
else if (Array.isArray(options.senders) && !tx.vin.some(vin => options.senders.includes(vin.addr)))
return false;
if (options.receivedOnly && !tx.vout.some(vout => vout.scriptPubKey.addresses[0] === addr))
return false;
else if (Array.isArray(options.receivers) && !tx.vout.some(vout => options.receivers.includes(vout.scriptPubKey.addresses[0])))
return false;
return caseFn(tx.floData) ? true : false; //return only bool for find fn
});
//if item found, then resolve the result
if (!isUndefined(item)) {
const result = { lastItem: response.lastItem };
if (options.tx) {
result.item = {
txid: tx.txid,
time: tx.time,
blockheight: tx.blockheight,
senders: new Set(tx.vin.map(v => v.addr)),
receivers: new Set(tx.vout.map(v => v.scriptPubKey.addresses[0])),
data: tx.floData
}
} else
result.data = tx.floData;
return resolve(result);
}
//else if address needs chain query
else if (response.incomplete) {
let next_options = Object.assign({}, options);
options.before = response.initItem; //this fn uses latest option, so using before to chain query
getLatestData(addr, caseFn, next_options).then(r => {
r.lastItem = response.lastItem; //update last key as it should be the newest tx
resolve(r);
}).catch(error => reject(error))
}
//no data match the caseFn, resolve just the lastItem
else
resolve({ lastItem: response.lastItem });
}).catch(error => reject(error))
})
}
})('object' === typeof module ? module.exports : window.floBlockchainAPI = {});

300
src/floCrypto.js
View File

@ -1,4 +1,4 @@
(function(EXPORTS) { //floCrypto v2.3.3
(function (EXPORTS) { //floCrypto v2.3.6a
/* FLO Crypto Operators */
'use strict';
const floCrypto = EXPORTS;
@ -7,6 +7,7 @@
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"));
coinjs.compressed = true; //defaulting coinjs compressed to true;
function calculateY(x) {
let exp = exponent1();
@ -77,24 +78,24 @@
}
//generate a random Interger within range
floCrypto.randInt = function(min, max) {
floCrypto.randInt = function (min, max) {
min = Math.ceil(min);
max = Math.floor(max);
return Math.floor(Math.random() * (max - min + 1)) + min;
return Math.floor(securedMathRandom() * (max - min + 1)) + min;
}
//generate a random String within length (options : alphaNumeric chars only)
floCrypto.randString = function(length, alphaNumeric = true) {
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));
result += characters.charAt(Math.floor(securedMathRandom() * characters.length));
return result;
}
//Encrypt Data using public-key
floCrypto.encryptData = function(data, receiverPublicKeyHex) {
floCrypto.encryptData = function (data, receiverPublicKeyHex) {
var senderECKeyData = getSenderPublicKeyString();
var senderDerivedKey = deriveSharedKeySender(receiverPublicKeyHex, senderECKeyData.privateKey);
let senderKey = senderDerivedKey.XValue + senderDerivedKey.YValue;
@ -106,7 +107,7 @@
}
//Decrypt Data using private-key
floCrypto.decryptData = function(data, privateKeyHex) {
floCrypto.decryptData = function (data, privateKeyHex) {
var receiverECKeyData = {};
if (typeof privateKeyHex !== "string") throw new Error("No private key found.");
let privateKey = wifToDecimal(privateKeyHex, true);
@ -119,7 +120,7 @@
}
//Sign data using private-key
floCrypto.signData = function(data, privateKeyHex) {
floCrypto.signData = function (data, privateKeyHex) {
var key = new Bitcoin.ECKey(privateKeyHex);
var messageHash = Crypto.SHA256(data);
var messageSign = Bitcoin.ECDSA.sign(messageHash, key.priv);
@ -128,7 +129,7 @@
}
//Verify signatue of the data using public-key
floCrypto.verifySign = function(data, signatureHex, publicKeyHex) {
floCrypto.verifySign = function (data, signatureHex, publicKeyHex) {
var msgHash = Crypto.SHA256(data);
var sigBytes = Crypto.util.hexToBytes(signatureHex);
var publicKeyPoint = ecparams.getCurve().decodePointHex(publicKeyHex);
@ -137,7 +138,7 @@
}
//Generates a new flo ID and returns private-key, public-key and floID
const generateNewID = floCrypto.generateNewID = function() {
const generateNewID = floCrypto.generateNewID = function () {
var key = new Bitcoin.ECKey(false);
key.setCompressed(true);
return {
@ -147,12 +148,40 @@
}
}
Object.defineProperty(floCrypto, 'newID', {
get: () => generateNewID()
Object.defineProperties(floCrypto, {
newID: {
get: () => generateNewID()
},
hashID: {
value: (str) => {
let bytes = ripemd160(Crypto.SHA256(str, { asBytes: true }), { asBytes: true });
bytes.unshift(bitjs.pub);
var hash = Crypto.SHA256(Crypto.SHA256(bytes, {
asBytes: true
}), {
asBytes: true
});
var checksum = hash.slice(0, 4);
return bitjs.Base58.encode(bytes.concat(checksum));
}
},
tmpID: {
get: () => {
let bytes = Crypto.util.randomBytes(20);
bytes.unshift(bitjs.pub);
var hash = Crypto.SHA256(Crypto.SHA256(bytes, {
asBytes: true
}), {
asBytes: true
});
var checksum = hash.slice(0, 4);
return bitjs.Base58.encode(bytes.concat(checksum));
}
}
});
//Returns public-key from private-key
floCrypto.getPubKeyHex = function(privateKeyHex) {
floCrypto.getPubKeyHex = function (privateKeyHex) {
if (!privateKeyHex)
return null;
var key = new Bitcoin.ECKey(privateKeyHex);
@ -163,7 +192,7 @@
}
//Returns flo-ID from public-key or private-key
floCrypto.getFloID = function(keyHex) {
floCrypto.getFloID = function (keyHex) {
if (!keyHex)
return null;
try {
@ -176,8 +205,27 @@
}
}
floCrypto.getAddress = function (privateKeyHex, strict = false) {
if (!privateKeyHex)
return;
var key = new Bitcoin.ECKey(privateKeyHex);
if (key.priv == null)
return null;
key.setCompressed(true);
let pubKey = key.getPubKeyHex(),
version = bitjs.Base58.decode(privateKeyHex)[0];
switch (version) {
case coinjs.priv: //BTC
return coinjs.bech32Address(pubKey).address;
case bitjs.priv: //FLO
return bitjs.pubkey2address(pubKey);
default:
return strict ? false : bitjs.pubkey2address(pubKey); //default to FLO address (if strict=false)
}
}
//Verify the private-key for the given public-key or flo-ID
floCrypto.verifyPrivKey = function(privateKeyHex, pubKey_floID, isfloID = true) {
floCrypto.verifyPrivKey = function (privateKeyHex, pubKey_floID, isfloID = true) {
if (!privateKeyHex || !pubKey_floID)
return false;
try {
@ -187,7 +235,7 @@
key.setCompressed(true);
if (isfloID && pubKey_floID == key.getBitcoinAddress())
return true;
else if (!isfloID && pubKey_floID == key.getPubKeyHex())
else if (!isfloID && pubKey_floID.toUpperCase() == key.getPubKeyHex().toUpperCase())
return true;
else
return false;
@ -196,12 +244,36 @@
}
}
floCrypto.getMultisigAddress = function (publicKeyList, requiredSignatures) {
if (!Array.isArray(publicKeyList) || !publicKeyList.length)
return null;
if (!Number.isInteger(requiredSignatures) || requiredSignatures < 1 || requiredSignatures > publicKeyList.length)
return null;
try {
var multisig = bitjs.pubkeys2multisig(publicKeyList, requiredSignatures);
return multisig;
} catch {
return null;
}
}
floCrypto.decodeRedeemScript = function (redeemScript) {
try {
var decoded = bitjs.transaction().decodeRedeemScript(redeemScript);
return decoded;
} catch {
return null;
}
}
//Check if the given flo-id is valid or not
floCrypto.validateFloID = function(floID) {
floCrypto.validateFloID = function (floID, regularOnly = false) {
if (!floID)
return false;
try {
let addr = new Bitcoin.Address(floID);
if (regularOnly && addr.version != Bitcoin.Address.standardVersion)
return false;
return true;
} catch {
return false;
@ -209,70 +281,158 @@
}
//Check if the given address (any blockchain) is valid or not
floCrypto.validateAddr = function(address, std = true, bech = true) {
if (address.length == 34) { //legacy or segwit encoding
if (std === false)
floCrypto.validateAddr = function (address, std = true, bech = true) {
let raw = decodeAddress(address);
if (!raw)
return false;
if (typeof raw.version !== 'undefined') { //legacy or segwit
if (std == false)
return false;
let decode = bitjs.Base58.decode(address);
var raw = decode.slice(0, decode.length - 4),
checksum = decode.slice(decode.length - 4);
var hash = Crypto.SHA256(Crypto.SHA256(raw, {
asBytes: true
}), {
asBytes: true
});
if (hash[0] != checksum[0] || hash[1] != checksum[1] || hash[2] != checksum[2] || hash[3] != checksum[3])
return false;
else if (std === true || (!Array.isArray(std) && std === raw[0]) || (Array.isArray(std) && std.includes(raw[0])))
else if (std === true || (!Array.isArray(std) && std === raw.version) || (Array.isArray(std) && std.includes(raw.version)))
return true;
else
return false;
} else if (address.length == 42 || address.length == 62) { //bech encoding
} else if (typeof raw.bech_version !== 'undefined') { //bech32
if (bech === false)
return false;
let decode = coinjs.bech32_decode(address);
if (!decode)
return false;
var raw = decode.data;
if (bech === true || (!Array.isArray(bech) && bech === raw[0]) || (Array.isArray(bech) && bech.includes(raw[0])))
else if (bech === true || (!Array.isArray(bech) && bech === raw.bech_version) || (Array.isArray(bech) && bech.includes(raw.bech_version)))
return true;
else
return false;
} else //unknown length
} else //unknown
return false;
}
floCrypto.verifyPubKey = function(pubKeyHex, address) {
let pub_hash = Crypto.util.bytesToHex(ripemd160(Crypto.SHA256(Crypto.util.hexToBytes(pubKeyHex), {
//Check the public-key (or redeem-script) for the address (any blockchain)
floCrypto.verifyPubKey = function (pubKeyHex, address) {
let raw = decodeAddress(address);
if (!raw)
return;
let pub_hash = Crypto.util.bytesToHex(ripemd160(Crypto.SHA256(Crypto.util.hexToBytes(pubKeyHex), { asBytes: true })));
if (typeof raw.bech_version !== 'undefined' && raw.bytes.length == 32) //bech32-multisig
raw.hex = Crypto.util.bytesToHex(ripemd160(raw.bytes, { asBytes: true }));
return pub_hash === raw.hex;
}
//Convert the given address (any blockchain) to equivalent floID
floCrypto.toFloID = function (address, options = null) {
if (!address)
return;
let raw = decodeAddress(address);
if (!raw)
return;
else if (options) { //if (optional) version check is passed
if (typeof raw.version !== 'undefined' && (!options.std || !options.std.includes(raw.version)))
return;
if (typeof raw.bech_version !== 'undefined' && (!options.bech || !options.bech.includes(raw.bech_version)))
return;
}
raw.bytes.unshift(bitjs.pub);
let hash = Crypto.SHA256(Crypto.SHA256(raw.bytes, {
asBytes: true
})));
if (address.length == 34) { //legacy encoding
let decode = bitjs.Base58.decode(address);
var raw = decode.slice(0, decode.length - 4),
checksum = decode.slice(decode.length - 4);
var hash = Crypto.SHA256(Crypto.SHA256(raw, {
asBytes: true
}), {
}), {
asBytes: true
});
return bitjs.Base58.encode(raw.bytes.concat(hash.slice(0, 4)));
}
//Convert raw address bytes to floID
floCrypto.rawToFloID = function (raw_bytes) {
if (typeof raw_bytes === 'string')
raw_bytes = Crypto.util.hexToBytes(raw_bytes);
if (raw_bytes.length != 20)
return null;
raw_bytes.unshift(bitjs.pub);
let hash = Crypto.SHA256(Crypto.SHA256(raw_bytes, {
asBytes: true
}), {
asBytes: true
});
return bitjs.Base58.encode(raw_bytes.concat(hash.slice(0, 4)));
}
//Convert the given multisig address (any blockchain) to equivalent multisig floID
floCrypto.toMultisigFloID = function (address, options = null) {
if (!address)
return;
let raw = decodeAddress(address);
if (!raw)
return;
else if (options) { //if (optional) version check is passed
if (typeof raw.version !== 'undefined' && (!options.std || !options.std.includes(raw.version)))
return;
if (typeof raw.bech_version !== 'undefined' && (!options.bech || !options.bech.includes(raw.bech_version)))
return;
}
if (typeof raw.bech_version !== 'undefined') {
if (raw.bytes.length != 32) return; //multisig bech address have 32 bytes
//multisig-bech:hash=SHA256 whereas multisig:hash=r160(SHA265), thus ripemd160 the bytes from multisig-bech
raw.bytes = ripemd160(raw.bytes, {
asBytes: true
});
if (hash[0] != checksum[0] || hash[1] != checksum[1] || hash[2] != checksum[2] || hash[3] != checksum[3])
return false;
raw.shift();
return pub_hash === Crypto.util.bytesToHex(raw);
}
raw.bytes.unshift(bitjs.multisig);
let hash = Crypto.SHA256(Crypto.SHA256(raw.bytes, {
asBytes: true
}), {
asBytes: true
});
return bitjs.Base58.encode(raw.bytes.concat(hash.slice(0, 4)));
}
//Checks if the given addresses (any blockchain) are same (w.r.t keys)
floCrypto.isSameAddr = function (addr1, addr2) {
if (!addr1 || !addr2)
return;
let raw1 = decodeAddress(addr1),
raw2 = decodeAddress(addr2);
if (!raw1 || !raw2)
return false;
else {
if (typeof raw1.bech_version !== 'undefined' && raw1.bytes.length == 32) //bech32-multisig
raw1.hex = Crypto.util.bytesToHex(ripemd160(raw1.bytes, { asBytes: true }));
if (typeof raw2.bech_version !== 'undefined' && raw2.bytes.length == 32) //bech32-multisig
raw2.hex = Crypto.util.bytesToHex(ripemd160(raw2.bytes, { asBytes: true }));
return raw1.hex === raw2.hex;
}
}
const decodeAddress = floCrypto.decodeAddr = function (address) {
if (!address)
return;
else if (address.length == 33 || address.length == 34) { //legacy encoding
let decode = bitjs.Base58.decode(address);
let bytes = decode.slice(0, decode.length - 4);
let checksum = decode.slice(decode.length - 4),
hash = Crypto.SHA256(Crypto.SHA256(bytes, {
asBytes: true
}), {
asBytes: true
});
return (hash[0] != checksum[0] || hash[1] != checksum[1] || hash[2] != checksum[2] || hash[3] != checksum[3]) ? null : {
version: bytes.shift(),
hex: Crypto.util.bytesToHex(bytes),
bytes
}
} else if (address.length == 42 || address.length == 62) { //bech encoding
let decode = coinjs.bech32_decode(address);
if (!decode)
return false;
var raw = decode.data;
raw.shift();
raw = coinjs.bech32_convert(raw, 5, 8, false);
return pub_hash === Crypto.util.bytesToHex(raw);
} else //unknown length
return false;
if (decode) {
let bytes = decode.data;
let bech_version = bytes.shift();
bytes = coinjs.bech32_convert(bytes, 5, 8, false);
return {
bech_version,
hrp: decode.hrp,
hex: Crypto.util.bytesToHex(bytes),
bytes
}
} else
return null;
}
}
//Split the str using shamir's Secret and Returns the shares
floCrypto.createShamirsSecretShares = function(str, total_shares, threshold_limit) {
floCrypto.createShamirsSecretShares = function (str, total_shares, threshold_limit) {
try {
if (str.length > 0) {
var strHex = shamirSecretShare.str2hex(str);
@ -286,7 +446,7 @@
}
//Returns the retrived secret by combining the shamirs shares
const retrieveShamirSecret = floCrypto.retrieveShamirSecret = function(sharesArray) {
const retrieveShamirSecret = floCrypto.retrieveShamirSecret = function (sharesArray) {
try {
if (sharesArray.length > 0) {
var comb = shamirSecretShare.combine(sharesArray.slice(0, sharesArray.length));
@ -300,7 +460,7 @@
}
//Verifies the shares and str
floCrypto.verifyShamirsSecret = function(sharesArray, str) {
floCrypto.verifyShamirsSecret = function (sharesArray, str) {
if (!str)
return null;
else if (retrieveShamirSecret(sharesArray) === str)
@ -309,7 +469,7 @@
return false;
}
const validateASCII = floCrypto.validateASCII = function(string, bool = true) {
const validateASCII = floCrypto.validateASCII = function (string, bool = true) {
if (typeof string !== "string")
return null;
if (bool) {
@ -327,8 +487,8 @@
if (x < 32 || x > 127)
if (x in invalids)
invalids[string[i]].push(i)
else
invalids[string[i]] = [i];
else
invalids[string[i]] = [i];
}
if (Object.keys(invalids).length)
return invalids;
@ -337,7 +497,7 @@
}
}
floCrypto.convertToASCII = function(string, mode = 'soft-remove') {
floCrypto.convertToASCII = function (string, mode = 'soft-remove') {
let chars = validateASCII(string, false);
if (chars === true)
return string;
@ -348,9 +508,9 @@
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)}`;
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)}`;
convertor = (c) => refAlt[c] || `\\u${('000' + c.charCodeAt().toString(16)).slice(-4)}`;
else if (mode === "hard-remove")
convertor = c => "";
else if (mode === "soft-remove")
@ -362,7 +522,7 @@
return result;
}
floCrypto.revertUnicode = function(string) {
floCrypto.revertUnicode = function (string) {
return string.replace(/\\u[\dA-F]{4}/gi,
m => String.fromCharCode(parseInt(m.replace(/\\u/g, ''), 16)));
}

1994
src/lib.js
View File

File diff suppressed because it is too large Load Diff

34
src/main.js
View File

@ -123,11 +123,15 @@ function refreshBlockchainData(base, flag) {
function readSupernodeConfigFromAPI(base, flag) {
return new Promise((resolve, reject) => {
floBlockchainAPI.readData(floGlobals.SNStorageID, {
ignoreOld: base.lastTx[floGlobals.SNStorageID],
sentOnly: true,
pattern: "SuperNodeStorage"
}).then(result => {
var query_options = { sentOnly: true, pattern: "SuperNodeStorage" };
let lastTx = base.lastTx[floGlobals.SNStorageID] ? base.lastTx[floGlobals.SNStorageID] : undefined;
if (typeof lastTx == 'string' && /^[0-9a-f]{64}/i.test(lastTx))//lastTx is txid of last tx
query_options.after = lastTx;
else if (!isNaN(lastTx))//lastTx is tx count (*backward support)
query_options.ignoreOld = parseInt(lastTx);
floBlockchainAPI.readData(floGlobals.SNStorageID, query_options).then(result => {
let promises = [],
node_change = {},
node_update = new Set();
@ -176,7 +180,8 @@ function readSupernodeConfigFromAPI(base, flag) {
base.appList[app] = content.addApps[app];
};
});
promises.push(DB.setLastTx(floGlobals.SNStorageID, result.totalTxs));
promises.push(DB.setLastTx(floGlobals.SNStorageID, result.lastItem));
base.lastTx[floGlobals.SNStorageID] = result.lastItem;
//Check if all save process were successful
Promise.allSettled(promises).then(results => {
if (results.reduce((a, r) => r.status === "rejected" ? ++a : a, 0))
@ -202,11 +207,15 @@ function readAppSubAdminListFromAPI(base) {
//Load for each apps
for (let app in base.appList) {
promises.push(new Promise((resolve, reject) => {
floBlockchainAPI.readData(base.appList[app], {
ignoreOld: base.lastTx[base.appList[app]] || 0,
sentOnly: true,
pattern: app
}).then(result => {
var query_options = { sentOnly: true, pattern: app };
let lastTx = base.lastTx[base.appList[app]] ? base.lastTx[base.appList[app]] : undefined;
if (typeof lastTx == 'string' && /^[0-9a-f]{64}/i.test(lastTx))//lastTx is txid of last tx
query_options.after = lastTx;
else if (!isNaN(lastTx))//lastTx is tx count (*backward support)
query_options.ignoreOld = parseInt(lastTx);
floBlockchainAPI.readData(base.appList[app], query_options).then(result => {
let subAdmins = new Set(base.appSubAdmins[app]),
trustedIDs = new Set(base.appTrustedIDs[app]);
result.data.reverse().forEach(data => {
@ -222,8 +231,9 @@ function readAppSubAdminListFromAPI(base) {
});
base.appSubAdmins[app] = Array.from(subAdmins);
base.appTrustedIDs[app] = Array.from(trustedIDs);
base.lastTx[base.appList[app]] = result.lastItem;
Promise.allSettled([
DB.setLastTx(base.appList[app], result.totalTxs),
DB.setLastTx(base.appList[app], result.lastItem),
DB.setSubAdmin(app, base.appSubAdmins[app]),
DB.setTrustedIDs(app, base.appTrustedIDs[app])
]).then(results => {