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GNU GENERAL PUBLIC LICENSE
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How to Apply These Terms to Your New Programs
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Also add information on how to contact you by electronic and paper mail.
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The hypothetical commands `show w' and `show c' should show the appropriate
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The GNU General Public License does not permit incorporating your program
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<https://www.gnu.org/licenses/why-not-lgpl.html>.

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# p2p-content-collaboration
This peer-to-peer FLO Blockchain-based content collaboration software runs on a single HTML file.
### Live URL for CC
*https://ranchimall.github.io/cc/*
## How to run this software
1. Download and run the HTML file on any browser (Google Chrome is preferred)
2. Or access the LIVE URL
3. It will ask for a FLO private key. If you do not have one please generate it.
4. Once you provide a correct private key you are logged in
5. Inside the app, you can find the contents that are active
6. To add your writeup please write inside the boxes under respective sections or subtopics
7. You can also choose to edit any content by adding/deleting contents
8. To submit your writeup click on the 'Submit' button. Your entries will be recorded
9. The respective admins or sub-admins can score the content to choose the best ones
10. To score the content, please click on the star icon and give a score. The score will be recorded. (Only authorized sub-admins can score content)
11. Also you can download any content by selecting it and exporting it as a file.
Any user running the file gets to edit shared content. Hence, this application can be used for multiple purposes
like creating shared content, writing books by multiple authors, or reaching a consensus through collaborative discussion.
Please fork the project and contribute.

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{
"name": "p2p-content-collaboration",
"version": "1.0.0",
"lockfileVersion": 1,
"requires": true,
"dependencies": {
"tiny-editor": {
"version": "0.2.5",
"resolved": "https://registry.npmjs.org/tiny-editor/-/tiny-editor-0.2.5.tgz",
"integrity": "sha512-K4luWQbam/TrgjLst+Ztb7uPltXHwtFm+Oi1hs3xM6biI7N1X8HfyDtmROOEbyJM8+mMP5/FjsMnc96zJZoZCg=="
}
}
}

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{
"name": "p2p-content-collaboration",
"version": "1.0.0",
"description": "",
"main": "components.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"repository": {
"type": "git",
"url": "git+https://github.com/ranchimall/p2p-content-collaboration.git"
},
"author": "",
"license": "ISC",
"bugs": {
"url": "https://github.com/ranchimall/p2p-content-collaboration/issues"
},
"homepage": "https://github.com/ranchimall/p2p-content-collaboration#readme",
"dependencies": {
"tiny-editor": "^0.2.5"
}
}

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(function (EXPORTS) { //btcOperator v1.1.3b
/* BTC Crypto and API Operator */
const btcOperator = EXPORTS;
//This library uses API provided by chain.so (https://chain.so/)
const URL = "https://blockchain.info/";
const DUST_AMT = 546,
MIN_FEE_UPDATE = 219;
const fetch_api = btcOperator.fetch = function (api, json_res = true) {
return new Promise((resolve, reject) => {
console.debug(URL + api);
fetch(URL + api).then(response => {
if (response.ok) {
(json_res ? response.json() : response.text())
.then(result => resolve(result))
.catch(error => reject(error))
} else {
response.json()
.then(result => reject(result))
.catch(error => reject(error))
}
}).catch(error => reject(error))
})
};
const SATOSHI_IN_BTC = 1e8;
const util = btcOperator.util = {};
util.Sat_to_BTC = value => parseFloat((value / SATOSHI_IN_BTC).toFixed(8));
util.BTC_to_Sat = value => parseInt(value * SATOSHI_IN_BTC);
function get_fee_rate() {
return new Promise((resolve, reject) => {
fetch('https://api.blockchain.info/mempool/fees').then(response => {
if (response.ok)
response.json()
.then(result => resolve(util.Sat_to_BTC(result.regular)))
.catch(error => reject(error));
else
reject(response);
}).catch(error => reject(error))
})
}
const broadcastTx = btcOperator.broadcastTx = rawTxHex => new Promise((resolve, reject) => {
let url = 'https://coinb.in/api/?uid=1&key=12345678901234567890123456789012&setmodule=bitcoin&request=sendrawtransaction';
fetch(url, {
method: 'POST',
headers: {
'Content-Type': 'application/x-www-form-urlencoded'
},
body: "rawtx=" + rawTxHex
}).then(response => {
response.text().then(resultText => {
let r = resultText.match(/<result>.*<\/result>/);
if (!r)
reject(resultText);
else {
r = r.pop().replace('<result>', '').replace('</result>', '');
if (r == '1') {
let txid = resultText.match(/<txid>.*<\/txid>/).pop().replace('<txid>', '').replace('</txid>', '');
resolve(txid);
} else if (r == '0') {
let error = resultText.match(/<response>.*<\/response>/).pop().replace('<response>', '').replace('</response>', '');
reject(decodeURIComponent(error.replace(/\+/g, " ")));
} else reject(resultText);
}
}).catch(error => reject(error))
}).catch(error => reject(error))
});
Object.defineProperties(btcOperator, {
newKeys: {
get: () => {
let r = coinjs.newKeys();
r.segwitAddress = coinjs.segwitAddress(r.pubkey).address;
r.bech32Address = coinjs.bech32Address(r.pubkey).address;
return r;
}
},
pubkey: {
value: key => key.length >= 66 ? key : (key.length == 64 ? coinjs.newPubkey(key) : coinjs.wif2pubkey(key).pubkey)
},
address: {
value: (key, prefix = undefined) => coinjs.pubkey2address(btcOperator.pubkey(key), prefix)
},
segwitAddress: {
value: key => coinjs.segwitAddress(btcOperator.pubkey(key)).address
},
bech32Address: {
value: key => coinjs.bech32Address(btcOperator.pubkey(key)).address
}
});
coinjs.compressed = true;
const verifyKey = btcOperator.verifyKey = function (addr, key) {
if (!addr || !key)
return undefined;
switch (coinjs.addressDecode(addr).type) {
case "standard":
return btcOperator.address(key) === addr;
case "multisig":
return btcOperator.segwitAddress(key) === addr;
case "bech32":
return btcOperator.bech32Address(key) === addr;
default:
return null;
}
}
const validateAddress = btcOperator.validateAddress = function (addr) {
if (!addr)
return undefined;
let type = coinjs.addressDecode(addr).type;
if (["standard", "multisig", "bech32", "multisigBech32"].includes(type))
return type;
else
return false;
}
btcOperator.multiSigAddress = function (pubKeys, minRequired, bech32 = true) {
if (!Array.isArray(pubKeys))
throw "pubKeys must be an array of public keys";
else if (pubKeys.length < minRequired)
throw "minimum required should be less than the number of pubKeys";
if (bech32)
return coinjs.pubkeys2MultisigAddressBech32(pubKeys, minRequired);
else
return coinjs.pubkeys2MultisigAddress(pubKeys, minRequired);
}
btcOperator.decodeRedeemScript = function (redeemScript, bech32 = true) {
let script = coinjs.script();
let decoded = (bech32) ?
script.decodeRedeemScriptBech32(redeemScript) :
script.decodeRedeemScript(redeemScript);
if (!decoded)
return null;
return {
address: decoded.address,
pubKeys: decoded.pubkeys,
redeemScript: decoded.redeemscript,
required: decoded.signaturesRequired
}
}
//convert from one blockchain to another blockchain (target version)
btcOperator.convert = {};
btcOperator.convert.wif = function (source_wif, target_version = coinjs.priv) {
let keyHex = util.decodeLegacy(source_wif).hex;
if (!keyHex || keyHex.length < 66 || !/01$/.test(keyHex))
return null;
else
return util.encodeLegacy(keyHex, target_version);
}
btcOperator.convert.legacy2legacy = function (source_addr, target_version = coinjs.pub) {
let rawHex = util.decodeLegacy(source_addr).hex;
if (!rawHex)
return null;
else
return util.encodeLegacy(rawHex, target_version);
}
btcOperator.convert.legacy2bech = function (source_addr, target_version = coinjs.bech32.version, target_hrp = coinjs.bech32.hrp) {
let rawHex = util.decodeLegacy(source_addr).hex;
if (!rawHex)
return null;
else
return util.encodeBech32(rawHex, target_version, target_hrp);
}
btcOperator.convert.bech2bech = function (source_addr, target_version = coinjs.bech32.version, target_hrp = coinjs.bech32.hrp) {
let rawHex = util.decodeBech32(source_addr).hex;
if (!rawHex)
return null;
else
return util.encodeBech32(rawHex, target_version, target_hrp);
}
btcOperator.convert.bech2legacy = function (source_addr, target_version = coinjs.pub) {
let rawHex = util.decodeBech32(source_addr).hex;
if (!rawHex)
return null;
else
return util.encodeLegacy(rawHex, target_version);
}
btcOperator.convert.multisig2multisig = function (source_addr, target_version = coinjs.multisig) {
let rawHex = util.decodeLegacy(source_addr).hex;
if (!rawHex)
return null;
else
return util.encodeLegacy(rawHex, target_version);
}
btcOperator.convert.bech2multisig = function (source_addr, target_version = coinjs.multisig) {
let rawHex = util.decodeBech32(source_addr).hex;
if (!rawHex)
return null;
else {
rawHex = Crypto.util.bytesToHex(ripemd160(Crypto.util.hexToBytes(rawHex), { asBytes: true }));
return util.encodeLegacy(rawHex, target_version);
}
}
util.decodeLegacy = function (source) {
var decode = coinjs.base58decode(source);
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;
let version = raw.shift();
return {
version: version,
hex: Crypto.util.bytesToHex(raw)
}
}
util.encodeLegacy = function (hex, version) {
var bytes = Crypto.util.hexToBytes(hex);
bytes.unshift(version);
var hash = Crypto.SHA256(Crypto.SHA256(bytes, {
asBytes: true
}), {
asBytes: true
});
var checksum = hash.slice(0, 4);
return coinjs.base58encode(bytes.concat(checksum));
}
util.decodeBech32 = function (source) {
let decode = coinjs.bech32_decode(source);
if (!decode)
return false;
var raw = decode.data;
let version = raw.shift();
raw = coinjs.bech32_convert(raw, 5, 8, false);
return {
hrp: decode.hrp,
version: version,
hex: Crypto.util.bytesToHex(raw)
}
}
util.encodeBech32 = function (hex, version, hrp) {
var bytes = Crypto.util.hexToBytes(hex);
bytes = coinjs.bech32_convert(bytes, 8, 5, true);
bytes.unshift(version)
return coinjs.bech32_encode(hrp, bytes);
}
//BTC blockchain APIs
btcOperator.getBalance = addr => new Promise((resolve, reject) => {
fetch_api(`q/addressbalance/${addr}`)
.then(result => resolve(util.Sat_to_BTC(result)))
.catch(error => reject(error))
});
const BASE_TX_SIZE = 12,
BASE_INPUT_SIZE = 41,
LEGACY_INPUT_SIZE = 107,
BECH32_INPUT_SIZE = 27,
BECH32_MULTISIG_INPUT_SIZE = 35,
SEGWIT_INPUT_SIZE = 59,
MULTISIG_INPUT_SIZE_ES = 351,
BASE_OUTPUT_SIZE = 9,
LEGACY_OUTPUT_SIZE = 25,
BECH32_OUTPUT_SIZE = 23,
BECH32_MULTISIG_OUTPUT_SIZE = 34,
SEGWIT_OUTPUT_SIZE = 23;
function _redeemScript(addr, key) {
let decode = coinjs.addressDecode(addr);
switch (decode.type) {
case "standard":
return false;
case "multisig":
return key ? coinjs.segwitAddress(btcOperator.pubkey(key)).redeemscript : null;
case "bech32":
return decode.redeemscript;
default:
return null;
}
}
function _sizePerInput(addr, rs) {
switch (coinjs.addressDecode(addr).type) {
case "standard":
return BASE_INPUT_SIZE + LEGACY_INPUT_SIZE;
case "bech32":
return BASE_INPUT_SIZE + BECH32_INPUT_SIZE;
case "multisigBech32":
return BASE_INPUT_SIZE + BECH32_MULTISIG_INPUT_SIZE;
case "multisig":
switch (coinjs.script().decodeRedeemScript(rs).type) {
case "segwit__":
return BASE_INPUT_SIZE + SEGWIT_INPUT_SIZE;
case "multisig__":
return BASE_INPUT_SIZE + MULTISIG_INPUT_SIZE_ES;
default:
return null;
};
default:
return null;
}
}
function _sizePerOutput(addr) {
switch (coinjs.addressDecode(addr).type) {
case "standard":
return BASE_OUTPUT_SIZE + LEGACY_OUTPUT_SIZE;
case "bech32":
return BASE_OUTPUT_SIZE + BECH32_OUTPUT_SIZE;
case "multisigBech32":
return BASE_OUTPUT_SIZE + BECH32_MULTISIG_OUTPUT_SIZE;
case "multisig":
return BASE_OUTPUT_SIZE + SEGWIT_OUTPUT_SIZE;
default:
return null;
}
}
function validateTxParameters(parameters) {
let invalids = [];
//sender-ids
if (parameters.senders) {
if (!Array.isArray(parameters.senders))
parameters.senders = [parameters.senders];
parameters.senders.forEach(id => !validateAddress(id) ? invalids.push(id) : null);
if (invalids.length)
throw "Invalid senders:" + invalids;
}
if (parameters.privkeys) {
if (!Array.isArray(parameters.privkeys))
parameters.privkeys = [parameters.privkeys];
if (parameters.senders.length != parameters.privkeys.length)
throw "Array length for senders and privkeys should be equal";
parameters.senders.forEach((id, i) => {
let key = parameters.privkeys[i];
if (!verifyKey(id, key)) //verify private-key
invalids.push(id);
if (key.length === 64) //convert Hex to WIF if needed
parameters.privkeys[i] = coinjs.privkey2wif(key);
});
if (invalids.length)
throw "Invalid private key for address:" + invalids;
}
//receiver-ids (and change-id)
if (!Array.isArray(parameters.receivers))
parameters.receivers = [parameters.receivers];
parameters.receivers.forEach(id => !validateAddress(id) ? invalids.push(id) : null);
if (invalids.length)
throw "Invalid receivers:" + invalids;
if (parameters.change_address && !validateAddress(parameters.change_address))
throw "Invalid change_address:" + parameters.change_address;
//fee and amounts
if ((typeof parameters.fee !== "number" || parameters.fee <= 0) && parameters.fee !== null) //fee = null (auto calc)
throw "Invalid fee:" + parameters.fee;
if (!Array.isArray(parameters.amounts))
parameters.amounts = [parameters.amounts];
if (parameters.receivers.length != parameters.amounts.length)
throw "Array length for receivers and amounts should be equal";
parameters.amounts.forEach(a => typeof a !== "number" || a <= 0 ? invalids.push(a) : null);
if (invalids.length)
throw "Invalid amounts:" + invalids;
//return
return parameters;
}
function createTransaction(senders, redeemScripts, receivers, amounts, fee, change_address, fee_from_receiver) {
return new Promise((resolve, reject) => {
let total_amount = parseFloat(amounts.reduce((t, a) => t + a, 0).toFixed(8));
const tx = coinjs.transaction();
let output_size = addOutputs(tx, receivers, amounts, change_address);
addInputs(tx, senders, redeemScripts, total_amount, fee, output_size, fee_from_receiver).then(result => {
if (result.change_amount > 0 && result.change_amount > result.fee) //add change amount if any (ignore dust change)
tx.outs[tx.outs.length - 1].value = util.BTC_to_Sat(result.change_amount); //values are in satoshi
if (fee_from_receiver) { //deduce fee from receivers if fee_from_receiver
let fee_remaining = util.BTC_to_Sat(result.fee);
for (let i = 0; i < tx.outs.length - 1 && fee_remaining > 0; i++) {
if (fee_remaining < tx.outs[i].value) {
tx.outs[i].value -= fee_remaining;
fee_remaining = 0;
} else {
fee_remaining -= tx.outs[i].value;
tx.outs[i].value = 0;
}
}
if (fee_remaining > 0)
return reject("Send amount is less than fee");
}
//remove all output with value less than DUST amount
let filtered_outputs = [], dust_value = 0;
tx.outs.forEach(o => o.value >= DUST_AMT ? filtered_outputs.push(o) : dust_value += o.value);
tx.outs = filtered_outputs;
//update result values
result.fee += util.Sat_to_BTC(dust_value);
result.output_size = output_size;
result.output_amount = total_amount - (fee_from_receiver ? result.fee : 0);
result.total_size = BASE_TX_SIZE + output_size + result.input_size;
result.transaction = tx;
resolve(result);
}).catch(error => reject(error))
})
}
function addInputs(tx, senders, redeemScripts, total_amount, fee, output_size, fee_from_receiver) {
return new Promise((resolve, reject) => {
if (fee !== null) {
addUTXOs(tx, senders, redeemScripts, fee_from_receiver ? total_amount : total_amount + fee, false).then(result => {
result.fee = fee;
resolve(result);
}).catch(error => reject(error))
} else {
get_fee_rate().then(fee_rate => {
let net_fee = BASE_TX_SIZE * fee_rate;
net_fee += (output_size * fee_rate);
(fee_from_receiver ?
addUTXOs(tx, senders, redeemScripts, total_amount, false) :
addUTXOs(tx, senders, redeemScripts, total_amount + net_fee, fee_rate)
).then(result => {
result.fee = parseFloat((net_fee + (result.input_size * fee_rate)).toFixed(8));
result.fee_rate = fee_rate;
resolve(result);
}).catch(error => reject(error))
}).catch(error => reject(error))
}
})
}
function addUTXOs(tx, senders, redeemScripts, required_amount, fee_rate, rec_args = {}) {
return new Promise((resolve, reject) => {
required_amount = parseFloat(required_amount.toFixed(8));
if (typeof rec_args.n === "undefined") {
rec_args.n = 0;
rec_args.input_size = 0;
rec_args.input_amount = 0;
}
if (required_amount <= 0)
return resolve({
input_size: rec_args.input_size,
input_amount: rec_args.input_amount,
change_amount: required_amount * -1 //required_amount will be -ve of change_amount
});
else if (rec_args.n >= senders.length)
return reject("Insufficient Balance");
let addr = senders[rec_args.n],
rs = redeemScripts[rec_args.n];
let addr_type = coinjs.addressDecode(addr).type;
let size_per_input = _sizePerInput(addr, rs);
fetch_api(`unspent?active=${addr}`).then(result => {
let utxos = result.unspent_outputs;
//console.debug("add-utxo", addr, rs, required_amount, utxos);
for (let i = 0; i < utxos.length && required_amount > 0; i++) {
if (!utxos[i].confirmations) //ignore unconfirmed utxo
continue;
var script;
if (!rs || !rs.length) //legacy script
script = utxos[i].script;
else if (((rs.match(/^00/) && rs.length == 44)) || (rs.length == 40 && rs.match(/^[a-f0-9]+$/gi)) || addr_type === 'multisigBech32') {
//redeemScript for segwit/bech32 and multisig (bech32)
let s = coinjs.script();
s.writeBytes(Crypto.util.hexToBytes(rs));
s.writeOp(0);
s.writeBytes(coinjs.numToBytes(utxos[i].value.toFixed(0), 8));
script = Crypto.util.bytesToHex(s.buffer);
} else //redeemScript for multisig (segwit)
script = rs;
tx.addinput(utxos[i].tx_hash_big_endian, utxos[i].tx_output_n, script, 0xfffffffd /*sequence*/); //0xfffffffd for Replace-by-fee
//update track values
rec_args.input_size += size_per_input;
rec_args.input_amount += util.Sat_to_BTC(utxos[i].value);
required_amount -= util.Sat_to_BTC(utxos[i].value);
if (fee_rate) //automatic fee calculation (dynamic)
required_amount += size_per_input * fee_rate;
}
rec_args.n += 1;
addUTXOs(tx, senders, redeemScripts, required_amount, fee_rate, rec_args)
.then(result => resolve(result))
.catch(error => reject(error))
}).catch(error => reject(error))
})
}
function addOutputs(tx, receivers, amounts, change_address) {
let size = 0;
for (let i in receivers) {
tx.addoutput(receivers[i], amounts[i]);
size += _sizePerOutput(receivers[i]);
}
tx.addoutput(change_address, 0);
size += _sizePerOutput(change_address);
return size;
}
/*
function autoFeeCalc(tx) {
return new Promise((resolve, reject) => {
get_fee_rate().then(fee_rate => {
let tx_size = tx.size();
for (var i = 0; i < this.ins.length; i++)
switch (tx.extractScriptKey(i).type) {
case 'scriptpubkey':
tx_size += SIGN_SIZE;
break;
case 'segwit':
case 'multisig':
tx_size += SIGN_SIZE * 0.25;
break;
default:
console.warn('Unknown script-type');
tx_size += SIGN_SIZE;
}
resolve(tx_size * fee_rate);
}).catch(error => reject(error))
})
}
function editFee(tx, current_fee, target_fee, index = -1) {
//values are in satoshi
index = parseInt(index >= 0 ? index : tx.outs.length - index);
if (index < 0 || index >= tx.outs.length)
throw "Invalid index";
let edit_value = parseInt(current_fee - target_fee), //rip of any decimal places
current_value = tx.outs[index].value; //could be BigInterger
if (edit_value < 0 && edit_value > current_value)
throw "Insufficient value at vout";
tx.outs[index].value = current_value instanceof BigInteger ?
current_value.add(new BigInteger('' + edit_value)) : parseInt(current_value + edit_value);
}
*/
function tx_fetch_for_editing(tx) {
return new Promise((resolve, reject) => {
if (typeof tx == 'string' && /^[0-9a-f]{64}$/i.test(tx)) { //tx is txid
getTx.hex(tx)
.then(txhex => resolve(deserializeTx(txhex)))
.catch(error => reject(error))
} else resolve(deserializeTx(tx));
})
}
btcOperator.editFee = function (tx_hex, new_fee, private_keys, change_only = true) {
return new Promise((resolve, reject) => {
if (!Array.isArray(private_keys))
private_keys = [private_keys];
tx_fetch_for_editing(tx_hex).then(tx => {
parseTransaction(tx).then(tx_parsed => {
if (tx_parsed.fee >= new_fee)
return reject("Fees can only be increased");
//editable addresses in output values (for fee increase)
var edit_output_address = new Set();
if (change_only === true) //allow only change values (ie, sender address) to be edited to inc fee
tx_parsed.inputs.forEach(inp => edit_output_address.add(inp.address));
else if (change_only === false) //allow all output values to be edited
tx_parsed.outputs.forEach(out => edit_output_address.add(out.address));
else if (typeof change_only == 'string') // allow only given receiver id output to be edited
edit_output_address.add(change_only);
else if (Array.isArray(change_only)) //allow only given set of receiver id outputs to be edited
change_only.forEach(id => edit_output_address.add(id));
//edit output values to increase fee
let inc_fee = util.BTC_to_Sat(new_fee - tx_parsed.fee);
if (inc_fee < MIN_FEE_UPDATE)
return reject(`Insufficient additional fee. Minimum increment: ${MIN_FEE_UPDATE}`);
for (let i = tx.outs.length - 1; i >= 0 && inc_fee > 0; i--) //reduce in reverse order
if (edit_output_address.has(tx_parsed.outputs[i].address)) {
let current_value = tx.outs[i].value;
if (current_value instanceof BigInteger) //convert BigInteger class to inv value
current_value = current_value.intValue();
//edit the value as required
if (current_value > inc_fee) {
tx.outs[i].value = current_value - inc_fee;
inc_fee = 0;
} else {
inc_fee -= current_value;
tx.outs[i].value = 0;
}
}
if (inc_fee > 0) {
let max_possible_fee = util.BTC_to_Sat(new_fee) - inc_fee; //in satoshi
return reject(`Insufficient output values to increase fee. Maximum fee possible: ${util.Sat_to_BTC(max_possible_fee)}`);
}
tx.outs = tx.outs.filter(o => o.value >= DUST_AMT); //remove all output with value less than DUST amount
//remove existing signatures and reset the scripts
let wif_keys = [];
for (let i in tx.ins) {
var addr = tx_parsed.inputs[i].address,
value = util.BTC_to_Sat(tx_parsed.inputs[i].value);
let addr_decode = coinjs.addressDecode(addr);
//find the correct key for addr
var privKey = private_keys.find(pk => verifyKey(addr, pk));
if (!privKey)
return reject(`Private key missing for ${addr}`);
//find redeemScript (if any)
const rs = _redeemScript(addr, privKey);
rs === false ? wif_keys.unshift(privKey) : wif_keys.push(privKey); //sorting private-keys (wif)
//reset the script for re-signing
var script;
if (!rs || !rs.length) {
//legacy script (derive from address)
let s = coinjs.script();
s.writeOp(118); //OP_DUP
s.writeOp(169); //OP_HASH160
s.writeBytes(addr_decode.bytes);
s.writeOp(136); //OP_EQUALVERIFY
s.writeOp(172); //OP_CHECKSIG
script = Crypto.util.bytesToHex(s.buffer);
} else if (((rs.match(/^00/) && rs.length == 44)) || (rs.length == 40 && rs.match(/^[a-f0-9]+$/gi)) || addr_decode.type === 'multisigBech32') {
//redeemScript for segwit/bech32 and multisig (bech32)
let s = coinjs.script();
s.writeBytes(Crypto.util.hexToBytes(rs));
s.writeOp(0);
s.writeBytes(coinjs.numToBytes(value.toFixed(0), 8));
script = Crypto.util.bytesToHex(s.buffer);
} else //redeemScript for multisig (segwit)
script = rs;
tx.ins[i].script = coinjs.script(script);
}
tx.witness = false; //remove all witness signatures
console.debug("Unsigned:", tx.serialize());
//re-sign the transaction
new Set(wif_keys).forEach(key => tx.sign(key, 1 /*sighashtype*/)); //Sign the tx using private key WIF
resolve(tx.serialize());
}).catch(error => reject(error))
}).catch(error => reject(error))
})
}
btcOperator.sendTx = function (senders, privkeys, receivers, amounts, fee = null, options = {}) {
return new Promise((resolve, reject) => {
createSignedTx(senders, privkeys, receivers, amounts, fee, options).then(result => {
debugger;
broadcastTx(result.transaction.serialize())
.then(txid => resolve(txid))
.catch(error => reject(error));
}).catch(error => reject(error))
})
}
const createSignedTx = btcOperator.createSignedTx = function (senders, privkeys, receivers, amounts, fee = null, options = {}) {
return new Promise((resolve, reject) => {
try {
({
senders,
privkeys,
receivers,
amounts
} = validateTxParameters({
senders,
privkeys,
receivers,
amounts,
fee,
change_address: options.change_address
}));
} catch (e) {
return reject(e)
}
let redeemScripts = [],
wif_keys = [];
for (let i in senders) {
let rs = _redeemScript(senders[i], privkeys[i]); //get redeem-script (segwit/bech32)
redeemScripts.push(rs);
rs === false ? wif_keys.unshift(privkeys[i]) : wif_keys.push(privkeys[i]); //sorting private-keys (wif)
}
if (redeemScripts.includes(null)) //TODO: segwit
return reject("Unable to get redeem-script");
//create transaction
createTransaction(senders, redeemScripts, receivers, amounts, fee, options.change_address || senders[0], options.fee_from_receiver).then(result => {
let tx = result.transaction;
console.debug("Unsigned:", tx.serialize());
new Set(wif_keys).forEach(key => tx.sign(key, 1 /*sighashtype*/)); //Sign the tx using private key WIF
console.debug("Signed:", tx.serialize());
resolve(result);
}).catch(error => reject(error));
})
}
btcOperator.createTx = function (senders, receivers, amounts, fee = null, options = {}) {
return new Promise((resolve, reject) => {
try {
({
senders,
receivers,
amounts
} = validateTxParameters({
senders,
receivers,
amounts,
fee,
change_address: options.change_address
}));
} catch (e) {
return reject(e)
}
let redeemScripts = senders.map(id => _redeemScript(id));
if (redeemScripts.includes(null)) //TODO: segwit
return reject("Unable to get redeem-script");
//create transaction
createTransaction(senders, redeemScripts, receivers, amounts, fee, options.change_address || senders[0], options.fee_from_receiver).then(result => {
result.tx_hex = result.transaction.serialize();
delete result.transaction;
resolve(result);
}).catch(error => reject(error))
})
}
btcOperator.createMultiSigTx = function (sender, redeemScript, receivers, amounts, fee = null, options = {}) {
return new Promise((resolve, reject) => {
//validate tx parameters
let addr_type = validateAddress(sender);
if (!(["multisig", "multisigBech32"].includes(addr_type)))
return reject("Invalid sender (multisig):" + sender);
else {
let script = coinjs.script();
let decode = (addr_type == "multisig") ?
script.decodeRedeemScript(redeemScript) :
script.decodeRedeemScriptBech32(redeemScript);
if (!decode || decode.address !== sender)
return reject("Invalid redeem-script");
}
try {
({
receivers,
amounts
} = validateTxParameters({
receivers,
amounts,
fee,
change_address: options.change_address
}));
} catch (e) {
return reject(e)
}
//create transaction
createTransaction([sender], [redeemScript], receivers, amounts, fee, options.change_address || sender, options.fee_from_receiver).then(result => {
result.tx_hex = result.transaction.serialize();
delete result.transaction;
resolve(result);
}).catch(error => reject(error))
})
}
function deserializeTx(tx) {
if (typeof tx === 'string' || Array.isArray(tx)) {
try {
tx = coinjs.transaction().deserialize(tx);
} catch {
throw "Invalid transaction hex";
}
} else if (typeof tx !== 'object' || typeof tx.sign !== 'function')
throw "Invalid transaction object";
return tx;
}
btcOperator.signTx = function (tx, privkeys, sighashtype = 1) {
tx = deserializeTx(tx);
if (!Array.isArray(privkeys))
privkeys = [privkeys];
for (let i in privkeys)
if (privkeys[i].length === 64)
privkeys[i] = coinjs.privkey2wif(privkeys[i]);
new Set(privkeys).forEach(key => tx.sign(key, sighashtype)); //Sign the tx using private key WIF
return tx.serialize();
}
const checkSigned = btcOperator.checkSigned = function (tx, bool = true) {
tx = deserializeTx(tx);
let n = [];
for (let i in tx.ins) {
var s = tx.extractScriptKey(i);
if (s['type'] !== 'multisig' && s['type'] !== 'multisig_bech32')
n.push(s.signed == 'true' || (tx.witness[i] && tx.witness[i].length == 2))
else {
var rs = coinjs.script().decodeRedeemScript(s.script); //will work for bech32 too, as only address is diff
let x = {
s: s['signatures'],
r: rs['signaturesRequired'],
t: rs['pubkeys'].length
};
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;
}
btcOperator.checkIfSameTx = function (tx1, tx2) {
tx1 = deserializeTx(tx1);
tx2 = deserializeTx(tx2);
//compare input and output length
if (tx1.ins.length !== tx2.ins.length || tx1.outs.length !== tx2.outs.length)
return false;
//compare inputs
for (let i = 0; i < tx1.ins.length; i++)
if (tx1.ins[i].outpoint.hash !== tx2.ins[i].outpoint.hash || tx1.ins[i].outpoint.index !== tx2.ins[i].outpoint.index)
return false;
//compare outputs
for (let i = 0; i < tx1.outs.length; i++)
if (tx1.outs[i].value !== tx2.outs[i].value || Crypto.util.bytesToHex(tx1.outs[i].script.buffer) !== Crypto.util.bytesToHex(tx2.outs[i].script.buffer))
return false;
return true;
}
const getTxOutput = (txid, i) => new Promise((resolve, reject) => {
fetch_api(`rawtx/${txid}`)
.then(result => resolve(result.out[i]))
.catch(error => reject(error))
});
const parseTransaction = btcOperator.parseTransaction = function (tx) {
return new Promise((resolve, reject) => {
tx = deserializeTx(tx);
let result = {};
let promises = [];
//Parse Inputs
for (let i = 0; i < tx.ins.length; i++)
promises.push(getTxOutput(tx.ins[i].outpoint.hash, tx.ins[i].outpoint.index));
Promise.all(promises).then(inputs => {
result.inputs = inputs.map(inp => Object({
address: inp.addr,
value: util.Sat_to_BTC(inp.value)
}));
let signed = checkSigned(tx, false);
result.inputs.forEach((inp, i) => inp.signed = signed[i]);
//Parse Outputs
result.outputs = tx.outs.map(out => {
var address;
switch (out.script.chunks[0]) {
case 0: //bech32, multisig-bech32
address = util.encodeBech32(Crypto.util.bytesToHex(out.script.chunks[1]), coinjs.bech32.version, coinjs.bech32.hrp);
break;
case 169: //segwit, multisig-segwit
address = util.encodeLegacy(Crypto.util.bytesToHex(out.script.chunks[1]), coinjs.multisig);
break;
case 118: //legacy
address = util.encodeLegacy(Crypto.util.bytesToHex(out.script.chunks[2]), coinjs.pub);
}
return {
address,
value: util.Sat_to_BTC(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));
resolve(result);
}).catch(error => reject(error))
})
}
btcOperator.transactionID = function (tx) {
tx = deserializeTx(tx);
let clone = coinjs.clone(tx);
clone.witness = null;
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 getLatestBlock = btcOperator.getLatestBlock = () => new Promise((resolve, reject) => {
fetch_api(`q/getblockcount`)
.then(result => resolve(result))
.catch(error => reject(error))
})
const getTx = btcOperator.getTx = txid => new Promise((resolve, reject) => {
fetch_api(`rawtx/${txid}`).then(result => {
getLatestBlock().then(latest_block => resolve({
block: result.block_height,
txid: result.hash,
time: result.time * 1000,
confirmations: result.block_height === null ? 0 : latest_block - result.block_height, //calculate confirmations using latest block number as api doesnt relay it
size: result.size,
fee: util.Sat_to_BTC(result.fee),
inputs: result.inputs.map(i => Object({ address: i.prev_out.addr, value: util.Sat_to_BTC(i.prev_out.value) })),
total_input_value: util.Sat_to_BTC(result.inputs.reduce((a, i) => a + i.prev_out.value, 0)),
outputs: result.out.map(o => Object({ address: o.addr, value: util.Sat_to_BTC(o.value) })),
total_output_value: util.Sat_to_BTC(result.out.reduce((a, o) => a += o.value, 0)),
}))
}).catch(error => reject(error))
});
getTx.hex = txid => new Promise((resolve, reject) => {
fetch_api(`rawtx/${txid}?format=hex`, false)
.then(result => resolve(result))
.catch(error => reject(error))
})
btcOperator.getAddressData = address => new Promise((resolve, reject) => {
fetch_api(`rawaddr/${address}`).then(data => {
let details = {};
details.balance = util.Sat_to_BTC(data.final_balance);
details.address = data.address;
details.txs = data.txs.map(tx => {
let d = {
txid: tx.hash,
time: tx.time * 1000, //s to ms
block: tx.block_height,
}
//sender list
d.tx_senders = {};
tx.inputs.forEach(i => {
if (i.prev_out.addr in d.tx_senders)
d.tx_senders[i.prev_out.addr] += i.prev_out.value;
else d.tx_senders[i.prev_out.addr] = i.prev_out.value;
});
d.tx_input_value = 0;
for (let s in d.tx_senders) {
let val = d.tx_senders[s];
d.tx_senders[s] = util.Sat_to_BTC(val);
d.tx_input_value += val;
}
d.tx_input_value = util.Sat_to_BTC(d.tx_input_value);
//receiver list
d.tx_receivers = {};
tx.out.forEach(o => {
if (o.addr in d.tx_receivers)
d.tx_receivers[o.addr] += o.value;
else d.tx_receivers[o.addr] = o.value;
});
d.tx_output_value = 0;
for (let r in d.tx_receivers) {
let val = d.tx_receivers[r];
d.tx_receivers[r] = util.Sat_to_BTC(val);
d.tx_output_value += val;
}
d.tx_output_value = util.Sat_to_BTC(d.tx_output_value);
d.tx_fee = util.Sat_to_BTC(tx.fee);
//tx type
if (tx.result > 0) { //net > 0, balance inc => type=in
d.type = "in";
d.amount = util.Sat_to_BTC(tx.result);
d.sender = Object.keys(d.tx_senders).filter(s => s !== address);
} else if (Object.keys(d.tx_receivers).some(r => r !== address)) { //net < 0, balance dec & receiver present => type=out
d.type = "out";
d.amount = util.Sat_to_BTC(tx.result * -1);
d.receiver = Object.keys(d.tx_receivers).filter(r => r !== address);
d.fee = d.tx_fee;
} else { //net < 0 (fee) & no other id in receiver list => type=self
d.type = "self";
d.amount = d.tx_receivers[address];
d.address = address
}
return d;
})
resolve(details);
}).catch(error => reject(error))
});
btcOperator.getBlock = block => new Promise((resolve, reject) => {
fetch_api(`rawblock/${block}`).then(result => resolve({
height: result.height,
hash: result.hash,
merkle_root: result.mrkl_root,
prev_block: result.prev_block,
next_block: result.next_block[0],
size: result.size,
time: result.time * 1000, //s to ms
txs: result.tx.map(t => Object({
fee: t.fee,
size: t.size,
inputs: t.inputs.map(i => Object({ address: i.prev_out.addr, value: util.Sat_to_BTC(i.prev_out.value) })),
total_input_value: util.Sat_to_BTC(t.inputs.reduce((a, i) => a + i.prev_out.value, 0)),
outputs: t.out.map(o => Object({ address: o.addr, value: util.Sat_to_BTC(o.value) })),
total_output_value: util.Sat_to_BTC(t.out.reduce((a, o) => a += o.value, 0)),
}))
})).catch(error => reject(error))
});
})('object' === typeof module ? module.exports : window.btcOperator = {});

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cc/scripts/compactIDB.js Normal file
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@ -0,0 +1,257 @@
(function (EXPORTS) { //compactIDB v2.1.2
/* Compact IndexedDB operations */
'use strict';
const compactIDB = EXPORTS;
var defaultDB;
const indexedDB = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
const IDBTransaction = window.IDBTransaction || window.webkitIDBTransaction || window.msIDBTransaction;
const IDBKeyRange = window.IDBKeyRange || window.webkitIDBKeyRange || window.msIDBKeyRange;
if (!indexedDB) {
console.error("Your browser doesn't support a stable version of IndexedDB.");
return;
}
compactIDB.setDefaultDB = dbName => defaultDB = dbName;
Object.defineProperty(compactIDB, 'default', {
get: () => defaultDB,
set: dbName => defaultDB = dbName
});
function getDBversion(dbName = defaultDB) {
return new Promise((resolve, reject) => {
openDB(dbName).then(db => {
resolve(db.version)
db.close()
}).catch(error => reject(error))
})
}
function upgradeDB(dbName, createList = null, deleteList = null) {
return new Promise((resolve, reject) => {
getDBversion(dbName).then(version => {
var idb = indexedDB.open(dbName, version + 1);
idb.onerror = (event) => reject("Error in opening IndexedDB");
idb.onupgradeneeded = (event) => {
let db = event.target.result;
if (createList instanceof Object) {
if (Array.isArray(createList)) {
let tmp = {}
createList.forEach(o => tmp[o] = {})
createList = tmp
}
for (let o in createList) {
let obs = db.createObjectStore(o, createList[o].options || {});
if (createList[o].indexes instanceof Object)
for (let i in createList[o].indexes)
obs.createIndex(i, i, createList[o].indexes || {});
}
}
if (Array.isArray(deleteList))
deleteList.forEach(o => db.deleteObjectStore(o));
resolve('Database upgraded')
}
idb.onsuccess = (event) => event.target.result.close();
}).catch(error => reject(error))
})
}
compactIDB.initDB = function (dbName, objectStores = {}) {
return new Promise((resolve, reject) => {
if (!(objectStores instanceof Object))
return reject('ObjectStores must be an object or array')
defaultDB = defaultDB || dbName;
var idb = indexedDB.open(dbName);
idb.onerror = (event) => reject("Error in opening IndexedDB");
idb.onsuccess = (event) => {
var db = event.target.result;
let cList = Object.values(db.objectStoreNames);
var obs = {},
a_obs = {},
d_obs = [];
if (!Array.isArray(objectStores))
var obs = objectStores
else
objectStores.forEach(o => obs[o] = {})
let nList = Object.keys(obs)
for (let o of nList)
if (!cList.includes(o))
a_obs[o] = obs[o]
for (let o of cList)
if (!nList.includes(o))
d_obs.push(o)
if (!Object.keys(a_obs).length && !d_obs.length)
resolve("Initiated IndexedDB");
else
upgradeDB(dbName, a_obs, d_obs)
.then(result => resolve(result))
.catch(error => reject(error))
db.close();
}
});
}
const openDB = compactIDB.openDB = function (dbName = defaultDB) {
return new Promise((resolve, reject) => {
var idb = indexedDB.open(dbName);
idb.onerror = (event) => reject("Error in opening IndexedDB");
idb.onupgradeneeded = (event) => {
event.target.result.close();
deleteDB(dbName).then(_ => null).catch(_ => null).finally(_ => reject("Datebase not found"))
}
idb.onsuccess = (event) => resolve(event.target.result);
});
}
const deleteDB = compactIDB.deleteDB = function (dbName = defaultDB) {
return new Promise((resolve, reject) => {
var deleteReq = indexedDB.deleteDatabase(dbName);;
deleteReq.onerror = (event) => reject("Error deleting database!");
deleteReq.onsuccess = (event) => resolve("Database deleted successfully");
});
}
compactIDB.writeData = function (obsName, data, key = false, dbName = defaultDB) {
return new Promise((resolve, reject) => {
openDB(dbName).then(db => {
var obs = db.transaction(obsName, "readwrite").objectStore(obsName);
let writeReq = (key ? obs.put(data, key) : obs.put(data));
writeReq.onsuccess = (evt) => resolve(`Write data Successful`);
writeReq.onerror = (evt) => reject(
`Write data unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`
);
db.close();
}).catch(error => reject(error));
});
}
compactIDB.addData = function (obsName, data, key = false, dbName = defaultDB) {
return new Promise((resolve, reject) => {
openDB(dbName).then(db => {
var obs = db.transaction(obsName, "readwrite").objectStore(obsName);
let addReq = (key ? obs.add(data, key) : obs.add(data));
addReq.onsuccess = (evt) => resolve(`Add data successful`);
addReq.onerror = (evt) => reject(
`Add data unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`
);
db.close();
}).catch(error => reject(error));
});
}
compactIDB.removeData = function (obsName, key, dbName = defaultDB) {
return new Promise((resolve, reject) => {
openDB(dbName).then(db => {
var obs = db.transaction(obsName, "readwrite").objectStore(obsName);
let delReq = obs.delete(key);
delReq.onsuccess = (evt) => resolve(`Removed Data ${key}`);
delReq.onerror = (evt) => reject(
`Remove data unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`
);
db.close();
}).catch(error => reject(error));
});
}
compactIDB.clearData = function (obsName, dbName = defaultDB) {
return new Promise((resolve, reject) => {
openDB(dbName).then(db => {
var obs = db.transaction(obsName, "readwrite").objectStore(obsName);
let clearReq = obs.clear();
clearReq.onsuccess = (evt) => resolve(`Clear data Successful`);
clearReq.onerror = (evt) => reject(`Clear data Unsuccessful`);
db.close();
}).catch(error => reject(error));
});
}
compactIDB.readData = function (obsName, key, dbName = defaultDB) {
return new Promise((resolve, reject) => {
openDB(dbName).then(db => {
var obs = db.transaction(obsName, "readonly").objectStore(obsName);
let getReq = obs.get(key);
getReq.onsuccess = (evt) => resolve(evt.target.result);
getReq.onerror = (evt) => reject(
`Read data unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`
);
db.close();
}).catch(error => reject(error));
});
}
compactIDB.readAllData = function (obsName, dbName = defaultDB) {
return new Promise((resolve, reject) => {
openDB(dbName).then(db => {
var obs = db.transaction(obsName, "readonly").objectStore(obsName);
var tmpResult = {}
let curReq = obs.openCursor();
curReq.onsuccess = (evt) => {
var cursor = evt.target.result;
if (cursor) {
tmpResult[cursor.primaryKey] = cursor.value;
cursor.continue();
} else
resolve(tmpResult);
}
curReq.onerror = (evt) => reject(
`Read-All data unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`
);
db.close();
}).catch(error => reject(error));
});
}
/* compactIDB.searchData = function (obsName, options = {}, dbName = defaultDB) {
return new Promise((resolve, reject) => {
openDB(dbName).then(db => {
var obs = db.transaction(obsName, "readonly").objectStore(obsName);
var filteredResult = {}
let keyRange;
if(options.lowerKey!==null && options.upperKey!==null)
keyRange = IDBKeyRange.bound(options.lowerKey, options.upperKey);
else if(options.lowerKey!==null)
keyRange = IDBKeyRange.lowerBound(options.lowerKey);
else if (options.upperKey!==null)
keyRange = IDBKeyRange.upperBound(options.upperBound);
else if (options.atKey)
let curReq = obs.openCursor(keyRange, )
}).catch(error => reject(error))
})
}*/
compactIDB.searchData = function (obsName, options = {}, dbName = defaultDB) {
options.lowerKey = options.atKey || options.lowerKey || 0
options.upperKey = options.atKey || options.upperKey || false
options.patternEval = options.patternEval || ((k, v) => true);
options.limit = options.limit || false;
options.reverse = options.reverse || false;
options.lastOnly = options.lastOnly || false
return new Promise((resolve, reject) => {
openDB(dbName).then(db => {
var obs = db.transaction(obsName, "readonly").objectStore(obsName);
var filteredResult = {}
let curReq = obs.openCursor(
options.upperKey ? IDBKeyRange.bound(options.lowerKey, options.upperKey) : IDBKeyRange.lowerBound(options.lowerKey),
options.lastOnly || options.reverse ? "prev" : "next");
curReq.onsuccess = (evt) => {
var cursor = evt.target.result;
if (!cursor || (options.limit && options.limit <= Object.keys(filteredResult).length))
return resolve(filteredResult); //reached end of key list or limit reached
else if (options.patternEval(cursor.primaryKey, cursor.value)) {
filteredResult[cursor.primaryKey] = cursor.value;
options.lastOnly ? resolve(filteredResult) : cursor.continue();
} else
cursor.continue();
}
curReq.onerror = (evt) => reject(`Search unsuccessful [${evt.target.error.name}] ${evt.target.error.message}`);
db.close();
}).catch(error => reject(error));
});
}
})(window.compactIDB = {});

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(function (EXPORTS) { //floCrypto v2.3.6a
/* FLO Crypto Operators */
'use strict';
const floCrypto = EXPORTS;
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"));
coinjs.compressed = true; //defaulting coinjs compressed to true;
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)
}
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
};
}
function getSenderPublicKeyString() {
let privateKey = ellipticCurveEncryption.senderRandom();
var senderPublicKeyString = ellipticCurveEncryption.senderPublicString(privateKey);
return {
privateKey: privateKey,
senderPublicKeyString: senderPublicKeyString
}
}
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(securedMathRandom() * (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(securedMathRandom() * 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);
var messageHash = Crypto.SHA256(data);
var messageSign = Bitcoin.ECDSA.sign(messageHash, 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 sigBytes = Crypto.util.hexToBytes(signatureHex);
var publicKeyPoint = ecparams.getCurve().decodePointHex(publicKeyHex);
var verify = Bitcoin.ECDSA.verify(msgHash, sigBytes, 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.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) {
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;
}
}
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) {
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.toUpperCase() == key.getPubKeyHex().toUpperCase())
return true;
else
return false;
} catch {
return null;
}
}
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, 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;
}
}
//Check if the given address (any blockchain) is valid or not
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;
else if (std === true || (!Array.isArray(std) && std === raw.version) || (Array.isArray(std) && std.includes(raw.version)))
return true;
else
return false;
} else if (typeof raw.bech_version !== 'undefined') { //bech32
if (bech === false)
return false;
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
return false;
}
//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
}), {
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
});
}
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) {
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) {
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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(function (EXPORTS) { //floDapps v2.4.1
/* General functions for FLO Dapps*/
'use strict';
const floDapps = EXPORTS;
const DEFAULT = {
root: "floDapps",
application: floGlobals.application,
adminID: floGlobals.adminID
};
Object.defineProperties(floDapps, {
application: {
get: () => DEFAULT.application
},
adminID: {
get: () => DEFAULT.adminID
},
root: {
get: () => DEFAULT.root
}
});
var user_priv_raw, aes_key, user_priv_wrap; //private variable inside capsule
const raw_user = {
get private() {
if (!user_priv_raw)
throw "User not logged in";
return Crypto.AES.decrypt(user_priv_raw, aes_key);
}
}
var user_id, user_public, user_private;
const user = floDapps.user = {
get id() {
if (!user_id)
throw "User not logged in";
return user_id;
},
get public() {
if (!user_public)
throw "User not logged in";
return user_public;
},
get private() {
if (!user_private)
throw "User not logged in";
else if (user_private instanceof Function)
return user_private();
else
return Crypto.AES.decrypt(user_private, aes_key);
},
sign(message) {
return floCrypto.signData(message, raw_user.private);
},
decrypt(data) {
return floCrypto.decryptData(data, raw_user.private);
},
encipher(message) {
return Crypto.AES.encrypt(message, raw_user.private);
},
decipher(data) {
return Crypto.AES.decrypt(data, raw_user.private);
},
get db_name() {
return "floDapps#" + floCrypto.toFloID(user.id);
},
lock() {
user_private = user_priv_wrap;
},
async unlock() {
if (await user.private === raw_user.private)
user_private = user_priv_raw;
},
get_contact(id) {
if (!user.contacts)
throw "Contacts not available";
else if (user.contacts[id])
return user.contacts[id];
else {
let id_raw = floCrypto.decodeAddr(id).hex;
for (let i in user.contacts)
if (floCrypto.decodeAddr(i).hex == id_raw)
return user.contacts[i];
}
},
get_pubKey(id) {
if (!user.pubKeys)
throw "Contacts not available";
else if (user.pubKeys[id])
return user.pubKeys[id];
else {
let id_raw = floCrypto.decodeAddr(id).hex;
for (let i in user.pubKeys)
if (floCrypto.decodeAddr(i).hex == id_raw)
return user.pubKeys[i];
}
},
clear() {
user_id = user_public = user_private = undefined;
user_priv_raw = aes_key = undefined;
delete user.contacts;
delete user.pubKeys;
delete user.messages;
}
};
Object.defineProperties(window, {
myFloID: {
get: () => {
try {
return user.id;
} catch {
return;
}
}
},
myUserID: {
get: () => {
try {
return user.id;
} catch {
return;
}
}
},
myPubKey: {
get: () => {
try {
return user.public;
} catch {
return;
}
}
},
myPrivKey: {
get: () => {
try {
return user.private;
} catch {
return;
}
}
}
});
var subAdmins, trustedIDs, settings;
Object.defineProperties(floGlobals, {
subAdmins: {
get: () => subAdmins
},
trustedIDs: {
get: () => trustedIDs
},
settings: {
get: () => settings
},
contacts: {
get: () => user.contacts
},
pubKeys: {
get: () => user.pubKeys
},
messages: {
get: () => user.messages
}
})
function initIndexedDB() {
return new Promise((resolve, reject) => {
var obs_g = {
//general
lastTx: {},
//supernode (cloud list)
supernodes: {}
}
var obs_a = {
//login credentials
credentials: {},
//for Dapps
subAdmins: {},
trustedIDs: {},
settings: {},
appObjects: {},
generalData: {},
lastVC: {}
}
//add other given objectStores
initIndexedDB.appObs = initIndexedDB.appObs || {}
for (let o in initIndexedDB.appObs)
if (!(o in obs_a))
obs_a[o] = initIndexedDB.appObs[o]
Promise.all([
compactIDB.initDB(DEFAULT.application, obs_a),
compactIDB.initDB(DEFAULT.root, obs_g)
]).then(result => {
compactIDB.setDefaultDB(DEFAULT.application)
resolve("IndexedDB App Storage Initated Successfully")
}).catch(error => reject(error));
})
}
function initUserDB() {
return new Promise((resolve, reject) => {
var obs = {
contacts: {},
pubKeys: {},
messages: {}
}
compactIDB.initDB(user.db_name, obs).then(result => {
resolve("UserDB Initated Successfully")
}).catch(error => reject('Init userDB failed'));
})
}
function loadUserDB() {
return new Promise((resolve, reject) => {
var loadData = ["contacts", "pubKeys", "messages"]
var promises = []
for (var i = 0; i < loadData.length; i++)
promises[i] = compactIDB.readAllData(loadData[i], user.db_name)
Promise.all(promises).then(results => {
for (var i = 0; i < loadData.length; i++)
user[loadData[i]] = results[i]
resolve("Loaded Data from userDB")
}).catch(error => reject('Load userDB failed'))
})
}
const startUpOptions = {
cloud: true,
app_config: true,
}
floDapps.startUpOptions = {
set app_config(val) {
if (val === true || val === false)
startUpOptions.app_config = val;
},
get app_config() { return startUpOptions.app_config },
set cloud(val) {
if (val === true || val === false)
startUpOptions.cloud = val;
},
get cloud() { return startUpOptions.cloud },
}
const startUpFunctions = [];
startUpFunctions.push(function readSupernodeListFromAPI() {
return new Promise((resolve, reject) => {
if (!startUpOptions.cloud)
return resolve("No cloud for this app");
const CLOUD_KEY = "floCloudAPI#" + floCloudAPI.SNStorageID;
compactIDB.readData("lastTx", CLOUD_KEY, DEFAULT.root).then(lastTx => {
var query_options = { sentOnly: true, pattern: floCloudAPI.SNStorageName };
if (typeof lastTx == 'number') //lastTx is tx count (*backward support)
query_options.ignoreOld = lastTx;
else if (typeof lastTx == 'string') //lastTx is txid of last tx
query_options.after = lastTx;
//fetch data from flosight
floBlockchainAPI.readData(floCloudAPI.SNStorageID, query_options).then(result => {
compactIDB.readData("supernodes", CLOUD_KEY, DEFAULT.root).then(nodes => {
nodes = nodes || {};
for (var i = result.data.length - 1; i >= 0; i--) {
var content = JSON.parse(result.data[i])[floCloudAPI.SNStorageName];
for (let sn in content.removeNodes)
delete nodes[sn];
for (let sn in content.newNodes)
nodes[sn] = content.newNodes[sn];
for (let sn in content.updateNodes)
if (sn in nodes) //check if node is listed
nodes[sn].uri = content.updateNodes[sn];
}
Promise.all([
compactIDB.writeData("lastTx", result.lastItem, CLOUD_KEY, DEFAULT.root),
compactIDB.writeData("supernodes", nodes, CLOUD_KEY, DEFAULT.root)
]).then(_ => {
floCloudAPI.init(nodes)
.then(result => resolve("Loaded Supernode list\n" + result))
.catch(error => reject(error))
}).catch(error => reject(error))
}).catch(error => reject(error))
})
}).catch(error => reject(error))
})
});
startUpFunctions.push(function readAppConfigFromAPI() {
return new Promise((resolve, reject) => {
if (!startUpOptions.app_config)
return resolve("No configs for this app");
compactIDB.readData("lastTx", `${DEFAULT.application}|${DEFAULT.adminID}`, DEFAULT.root).then(lastTx => {
var query_options = { sentOnly: true, pattern: DEFAULT.application };
if (typeof lastTx == 'number') //lastTx is tx count (*backward support)
query_options.ignoreOld = lastTx;
else if (typeof lastTx == 'string') //lastTx is txid of last tx
query_options.after = lastTx;
//fetch data from flosight
floBlockchainAPI.readData(DEFAULT.adminID, query_options).then(result => {
for (var i = result.data.length - 1; i >= 0; i--) {
var content = JSON.parse(result.data[i])[DEFAULT.application];
if (!content || typeof content !== "object")
continue;
if (Array.isArray(content.removeSubAdmin))
for (var j = 0; j < content.removeSubAdmin.length; j++)
compactIDB.removeData("subAdmins", content.removeSubAdmin[j]);
if (Array.isArray(content.addSubAdmin))
for (var k = 0; k < content.addSubAdmin.length; k++)
compactIDB.writeData("subAdmins", true, content.addSubAdmin[k]);
if (Array.isArray(content.removeTrustedID))
for (var j = 0; j < content.removeTrustedID.length; j++)
compactIDB.removeData("trustedIDs", content.removeTrustedID[j]);
if (Array.isArray(content.addTrustedID))
for (var k = 0; k < content.addTrustedID.length; k++)
compactIDB.writeData("trustedIDs", true, content.addTrustedID[k]);
if (content.settings)
for (let l in content.settings)
compactIDB.writeData("settings", content.settings[l], l)
}
compactIDB.writeData("lastTx", result.lastItem, `${DEFAULT.application}|${DEFAULT.adminID}`, DEFAULT.root);
compactIDB.readAllData("subAdmins").then(result => {
subAdmins = Object.keys(result);
compactIDB.readAllData("trustedIDs").then(result => {
trustedIDs = Object.keys(result);
compactIDB.readAllData("settings").then(result => {
settings = result;
resolve("Read app configuration from blockchain");
})
})
})
})
}).catch(error => reject(error))
})
});
startUpFunctions.push(function loadDataFromAppIDB() {
return new Promise((resolve, reject) => {
if (!startUpOptions.cloud)
return resolve("No cloud for this app");
var loadData = ["appObjects", "generalData", "lastVC"]
var promises = []
for (var i = 0; i < loadData.length; i++)
promises[i] = compactIDB.readAllData(loadData[i])
Promise.all(promises).then(results => {
for (var i = 0; i < loadData.length; i++)
floGlobals[loadData[i]] = results[i]
resolve("Loaded Data from app IDB")
}).catch(error => reject(error))
})
});
var keyInput = type => new Promise((resolve, reject) => {
let inputVal = prompt(`Enter ${type}: `)
if (inputVal === null)
reject(null)
else
resolve(inputVal)
});
function getCredentials() {
const readSharesFromIDB = indexArr => new Promise((resolve, reject) => {
var promises = []
for (var i = 0; i < indexArr.length; i++)
promises.push(compactIDB.readData('credentials', indexArr[i]))
Promise.all(promises).then(shares => {
var secret = floCrypto.retrieveShamirSecret(shares)
if (secret)
resolve(secret)
else
reject("Shares are insufficient or incorrect")
}).catch(error => {
clearCredentials();
location.reload();
})
});
const writeSharesToIDB = (shares, i = 0, resultIndexes = []) => new Promise(resolve => {
if (i >= shares.length)
return resolve(resultIndexes)
var n = floCrypto.randInt(0, 100000)
compactIDB.addData("credentials", shares[i], n).then(res => {
resultIndexes.push(n)
writeSharesToIDB(shares, i + 1, resultIndexes)
.then(result => resolve(result))
}).catch(error => {
writeSharesToIDB(shares, i, resultIndexes)
.then(result => resolve(result))
})
});
const getPrivateKeyCredentials = () => new Promise((resolve, reject) => {
var indexArr = localStorage.getItem(`${DEFAULT.application}#privKey`)
if (indexArr) {
readSharesFromIDB(JSON.parse(indexArr))
.then(result => resolve(result))
.catch(error => reject(error))
} else {
var privKey;
keyInput("PRIVATE_KEY").then(result => {
if (!result)
return reject("Empty Private Key")
var floID = floCrypto.getFloID(result)
if (!floID || !floCrypto.validateFloID(floID))
return reject("Invalid Private Key")
privKey = result;
}).catch(error => {
console.log(error, "Generating Random Keys")
privKey = floCrypto.generateNewID().privKey
}).finally(_ => {
if (!privKey)
return;
var threshold = floCrypto.randInt(10, 20)
var shares = floCrypto.createShamirsSecretShares(privKey, threshold, threshold)
writeSharesToIDB(shares).then(resultIndexes => {
//store index keys in localStorage
localStorage.setItem(`${DEFAULT.application}#privKey`, JSON.stringify(resultIndexes))
//also add a dummy privatekey to the IDB
var randomPrivKey = floCrypto.generateNewID().privKey
var randomThreshold = floCrypto.randInt(10, 20)
var randomShares = floCrypto.createShamirsSecretShares(randomPrivKey, randomThreshold, randomThreshold)
writeSharesToIDB(randomShares)
//resolve private Key
resolve(privKey)
})
})
}
});
const checkIfPinRequired = key => new Promise((resolve, reject) => {
if (key.length == 52)
resolve(key)
else {
keyInput("PIN/Password").then(pwd => {
try {
let privKey = Crypto.AES.decrypt(key, pwd);
resolve(privKey)
} catch (error) {
reject("Access Denied: Incorrect PIN/Password")
}
}).catch(error => reject("Access Denied: PIN/Password required"))
}
});
return new Promise((resolve, reject) => {
getPrivateKeyCredentials().then(key => {
checkIfPinRequired(key).then(privKey => {
try {
user_public = floCrypto.getPubKeyHex(privKey);
user_id = floCrypto.getAddress(privKey);
if (startUpOptions.cloud)
floCloudAPI.user(user_id, privKey); //Set user for floCloudAPI
user_priv_wrap = () => checkIfPinRequired(key);
let n = floCrypto.randInt(12, 20);
aes_key = floCrypto.randString(n);
user_priv_raw = Crypto.AES.encrypt(privKey, aes_key);
user_private = user_priv_wrap;
resolve('Login Credentials loaded successful')
} catch (error) {
console.log(error)
reject("Corrupted Private Key")
}
}).catch(error => reject(error))
}).catch(error => reject(error))
})
}
var startUpLog = (status, log) => status ? console.log(log) : console.error(log);
const callStartUpFunction = i => new Promise((resolve, reject) => {
startUpFunctions[i]().then(result => {
callStartUpFunction.completed += 1;
startUpLog(true, `${result}\nCompleted ${callStartUpFunction.completed}/${callStartUpFunction.total} Startup functions`)
resolve(true)
}).catch(error => {
callStartUpFunction.failed += 1;
startUpLog(false, `${error}\nFailed ${callStartUpFunction.failed}/${callStartUpFunction.total} Startup functions`)
reject(false)
})
});
var _midFunction;
const midStartUp = () => new Promise((res, rej) => {
if (_midFunction instanceof Function) {
_midFunction()
.then(r => res("Mid startup function completed"))
.catch(e => rej("Mid startup function failed"))
} else
res("No mid startup function")
});
const callAndLog = p => new Promise((res, rej) => {
p.then(r => {
startUpLog(true, r)
res(r)
}).catch(e => {
startUpLog(false, e)
rej(e)
})
});
floDapps.launchStartUp = function () {
return new Promise((resolve, reject) => {
initIndexedDB().then(log => {
console.log(log)
callStartUpFunction.total = startUpFunctions.length;
callStartUpFunction.completed = 0;
callStartUpFunction.failed = 0;
let p1 = new Promise((res, rej) => {
Promise.all(startUpFunctions.map((f, i) => callStartUpFunction(i))).then(r => {
callAndLog(midStartUp())
.then(r => res(true))
.catch(e => rej(false))
})
});
let p2 = new Promise((res, rej) => {
callAndLog(getCredentials()).then(r => {
callAndLog(initUserDB()).then(r => {
callAndLog(loadUserDB())
.then(r => res(true))
.catch(e => rej(false))
}).catch(e => rej(false))
}).catch(e => rej(false))
})
Promise.all([p1, p2])
.then(r => resolve('App Startup finished successful'))
.catch(e => reject('App Startup failed'))
}).catch(error => {
startUpLog(false, error);
reject("App database initiation failed")
})
})
}
floDapps.addStartUpFunction = fn => fn instanceof Function && !startUpFunctions.includes(fn) ? startUpFunctions.push(fn) : false;
floDapps.setMidStartup = fn => fn instanceof Function ? _midFunction = fn : false;
floDapps.setCustomStartupLogger = fn => fn instanceof Function ? startUpLog = fn : false;
floDapps.setCustomPrivKeyInput = fn => fn instanceof Function ? keyInput = fn : false;
floDapps.setAppObjectStores = appObs => initIndexedDB.appObs = appObs;
floDapps.storeContact = function (floID, name) {
return new Promise((resolve, reject) => {
if (!floCrypto.validateAddr(floID))
return reject("Invalid floID!")
compactIDB.writeData("contacts", name, floID, user.db_name).then(result => {
user.contacts[floID] = name;
resolve("Contact stored")
}).catch(error => reject(error))
});
}
floDapps.storePubKey = function (floID, pubKey) {
return new Promise((resolve, reject) => {
if (floID in user.pubKeys)
return resolve("pubKey already stored")
if (!floCrypto.validateAddr(floID))
return reject("Invalid floID!")
if (!floCrypto.verifyPubKey(pubKey, floID))
return reject("Incorrect pubKey")
compactIDB.writeData("pubKeys", pubKey, floID, user.db_name).then(result => {
user.pubKeys[floID] = pubKey;
resolve("pubKey stored")
}).catch(error => reject(error))
});
}
floDapps.sendMessage = function (floID, message) {
return new Promise((resolve, reject) => {
let options = {
receiverID: floID,
application: DEFAULT.root,
comment: DEFAULT.application
}
if (floID in user.pubKeys)
message = floCrypto.encryptData(JSON.stringify(message), user.pubKeys[floID])
floCloudAPI.sendApplicationData(message, "Message", options)
.then(result => resolve(result))
.catch(error => reject(error))
})
}
floDapps.requestInbox = function (callback) {
return new Promise((resolve, reject) => {
let lastVC = Object.keys(user.messages).sort().pop()
let options = {
receiverID: user.id,
application: DEFAULT.root,
lowerVectorClock: lastVC + 1
}
let privKey = raw_user.private;
options.callback = (d, e) => {
for (let v in d) {
try {
if (d[v].message instanceof Object && "secret" in d[v].message)
d[v].message = floCrypto.decryptData(d[v].message, privKey)
} catch (error) { }
compactIDB.writeData("messages", d[v], v, user.db_name)
user.messages[v] = d[v]
}
if (callback instanceof Function)
callback(d, e)
}
floCloudAPI.requestApplicationData("Message", options)
.then(result => resolve(result))
.catch(error => reject(error))
})
}
floDapps.manageAppConfig = function (adminPrivKey, addList, rmList, settings) {
return new Promise((resolve, reject) => {
if (!startUpOptions.app_config)
return reject("No configs for this app");
if (!Array.isArray(addList) || !addList.length) addList = undefined;
if (!Array.isArray(rmList) || !rmList.length) rmList = undefined;
if (!settings || typeof settings !== "object" || !Object.keys(settings).length) settings = undefined;
if (!addList && !rmList && !settings)
return reject("No configuration change")
var floData = {
[DEFAULT.application]: {
addSubAdmin: addList,
removeSubAdmin: rmList,
settings: settings
}
}
var floID = floCrypto.getFloID(adminPrivKey)
if (floID != DEFAULT.adminID)
reject('Access Denied for Admin privilege')
else
floBlockchainAPI.writeData(floID, JSON.stringify(floData), adminPrivKey)
.then(result => resolve(['Updated App Configuration', result]))
.catch(error => reject(error))
})
}
floDapps.manageAppTrustedIDs = function (adminPrivKey, addList, rmList) {
return new Promise((resolve, reject) => {
if (!startUpOptions.app_config)
return reject("No configs for this app");
if (!Array.isArray(addList) || !addList.length) addList = undefined;
if (!Array.isArray(rmList) || !rmList.length) rmList = undefined;
if (!addList && !rmList)
return reject("No change in list")
var floData = {
[DEFAULT.application]: {
addTrustedID: addList,
removeTrustedID: rmList
}
}
var floID = floCrypto.getFloID(adminPrivKey)
if (floID != DEFAULT.adminID)
reject('Access Denied for Admin privilege')
else
floBlockchainAPI.writeData(floID, JSON.stringify(floData), adminPrivKey)
.then(result => resolve(['Updated App Configuration', result]))
.catch(error => reject(error))
})
}
const clearCredentials = floDapps.clearCredentials = function () {
return new Promise((resolve, reject) => {
compactIDB.clearData('credentials', DEFAULT.application).then(result => {
localStorage.removeItem(`${DEFAULT.application}#privKey`);
user.clear();
resolve("privKey credentials deleted!")
}).catch(error => reject(error))
})
}
floDapps.deleteUserData = function (credentials = false) {
return new Promise((resolve, reject) => {
let p = []
p.push(compactIDB.deleteDB(user.db_name))
if (credentials)
p.push(clearCredentials())
Promise.all(p)
.then(result => resolve('User database(local) deleted'))
.catch(error => reject(error))
})
}
floDapps.deleteAppData = function () {
return new Promise((resolve, reject) => {
compactIDB.deleteDB(DEFAULT.application).then(result => {
localStorage.removeItem(`${DEFAULT.application}#privKey`)
user.clear();
compactIDB.removeData('lastTx', `${DEFAULT.application}|${DEFAULT.adminID}`, DEFAULT.root)
.then(result => resolve("App database(local) deleted"))
.catch(error => reject(error))
}).catch(error => reject(error))
})
}
floDapps.securePrivKey = function (pwd) {
return new Promise(async (resolve, reject) => {
let indexArr = localStorage.getItem(`${DEFAULT.application}#privKey`)
if (!indexArr)
return reject("PrivKey not found");
indexArr = JSON.parse(indexArr)
let encryptedKey = Crypto.AES.encrypt(await user.private, pwd);
let threshold = indexArr.length;
let shares = floCrypto.createShamirsSecretShares(encryptedKey, threshold, threshold)
let promises = [];
let overwriteFn = (share, index) =>
compactIDB.writeData("credentials", share, index, DEFAULT.application);
for (var i = 0; i < threshold; i++)
promises.push(overwriteFn(shares[i], indexArr[i]));
Promise.all(promises)
.then(results => resolve("Private Key Secured"))
.catch(error => reject(error))
})
}
floDapps.verifyPin = function (pin = null) {
const readSharesFromIDB = function (indexArr) {
return new Promise((resolve, reject) => {
var promises = []
for (var i = 0; i < indexArr.length; i++)
promises.push(compactIDB.readData('credentials', indexArr[i]))
Promise.all(promises).then(shares => {
var secret = floCrypto.retrieveShamirSecret(shares)
console.info(shares, secret)
if (secret)
resolve(secret)
else
reject("Shares are insufficient or incorrect")
}).catch(error => {
clearCredentials();
location.reload();
})
})
}
return new Promise((resolve, reject) => {
var indexArr = localStorage.getItem(`${DEFAULT.application}#privKey`)
console.info(indexArr)
if (!indexArr)
reject('No login credentials found')
readSharesFromIDB(JSON.parse(indexArr)).then(key => {
if (key.length == 52) {
if (pin === null)
resolve("Private key not secured")
else
reject("Private key not secured")
} else {
if (pin === null)
return reject("PIN/Password required")
try {
let privKey = Crypto.AES.decrypt(key, pin);
resolve("PIN/Password verified")
} catch (error) {
reject("Incorrect PIN/Password")
}
}
}).catch(error => reject(error))
})
}
const getNextGeneralData = floDapps.getNextGeneralData = function (type, vectorClock = null, options = {}) {
var fk = floCloudAPI.util.filterKey(type, options)
vectorClock = vectorClock || getNextGeneralData[fk] || '0';
var filteredResult = {}
if (floGlobals.generalData[fk]) {
for (let d in floGlobals.generalData[fk])
if (d > vectorClock)
filteredResult[d] = JSON.parse(JSON.stringify(floGlobals.generalData[fk][d]))
} else if (options.comment) {
let comment = options.comment;
delete options.comment;
let fk = floCloudAPI.util.filterKey(type, options);
for (let d in floGlobals.generalData[fk])
if (d > vectorClock && floGlobals.generalData[fk][d].comment == comment)
filteredResult[d] = JSON.parse(JSON.stringify(floGlobals.generalData[fk][d]))
}
if (options.decrypt) {
let decryptionKey = (options.decrypt === true) ? raw_user.private : options.decrypt;
if (!Array.isArray(decryptionKey))
decryptionKey = [decryptionKey];
for (let f in filteredResult) {
let data = filteredResult[f]
try {
if (data.message instanceof Object && "secret" in data.message) {
for (let key of decryptionKey) {
try {
let tmp = floCrypto.decryptData(data.message, key)
data.message = JSON.parse(tmp)
break;
} catch (error) { }
}
}
} catch (error) { }
}
}
getNextGeneralData[fk] = Object.keys(filteredResult).sort().pop();
return filteredResult;
}
const syncData = floDapps.syncData = {};
syncData.oldDevice = () => new Promise((resolve, reject) => {
let sync = {
contacts: user.contacts,
pubKeys: user.pubKeys,
messages: user.messages
}
let message = Crypto.AES.encrypt(JSON.stringify(sync), raw_user.private)
let options = {
receiverID: user.id,
application: DEFAULT.root
}
floCloudAPI.sendApplicationData(message, "syncData", options)
.then(result => resolve(result))
.catch(error => reject(error))
});
syncData.newDevice = () => new Promise((resolve, reject) => {
var options = {
receiverID: user.id,
senderID: user.id,
application: DEFAULT.root,
mostRecent: true,
}
floCloudAPI.requestApplicationData("syncData", options).then(response => {
let vc = Object.keys(response).sort().pop()
let sync = JSON.parse(Crypto.AES.decrypt(response[vc].message, raw_user.private))
let promises = []
let store = (key, val, obs) => promises.push(compactIDB.writeData(obs, val, key, user.db_name));
["contacts", "pubKeys", "messages"].forEach(c => {
for (let i in sync[c]) {
store(i, sync[c][i], c)
user[c][i] = sync[c][i]
}
})
Promise.all(promises)
.then(results => resolve("Sync data successful"))
.catch(error => reject(error))
}).catch(error => reject(error))
});
})('object' === typeof module ? module.exports : window.floDapps = {});

166
cc/scripts/floTokenAPI.js Normal file
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@ -0,0 +1,166 @@
(function (EXPORTS) { //floTokenAPI v1.0.4a
/* Token Operator to send/receive tokens via blockchain using API calls*/
'use strict';
const tokenAPI = EXPORTS;
const DEFAULT = {
apiURL: floGlobals.tokenURL || "https://ranchimallflo.duckdns.org/",
currency: floGlobals.currency || "rupee"
}
Object.defineProperties(tokenAPI, {
URL: {
get: () => DEFAULT.apiURL
},
currency: {
get: () => DEFAULT.currency,
set: currency => DEFAULT.currency = currency
}
});
if (floGlobals.currency) tokenAPI.currency = floGlobals.currency;
Object.defineProperties(floGlobals, {
currency: {
get: () => DEFAULT.currency,
set: currency => DEFAULT.currency = currency
}
});
const fetch_api = tokenAPI.fetch = function (apicall) {
return new Promise((resolve, reject) => {
console.debug(DEFAULT.apiURL + apicall);
fetch(DEFAULT.apiURL + apicall).then(response => {
if (response.ok)
response.json().then(data => resolve(data));
else
reject(response)
}).catch(error => reject(error))
})
}
const getBalance = tokenAPI.getBalance = function (floID, token = DEFAULT.currency) {
return new Promise((resolve, reject) => {
fetch_api(`api/v1.0/getFloAddressBalance?token=${token}&floAddress=${floID}`)
.then(result => resolve(result.balance || 0))
.catch(error => reject(error))
})
}
tokenAPI.getTx = function (txID) {
return new Promise((resolve, reject) => {
fetch_api(`api/v1.0/getTransactionDetails/${txID}`).then(res => {
if (res.result === "error")
reject(res.description);
else if (!res.parsedFloData)
reject("Data piece (parsedFloData) missing");
else if (!res.transactionDetails)
reject("Data piece (transactionDetails) missing");
else
resolve(res);
}).catch(error => reject(error))
})
}
tokenAPI.sendToken = function (privKey, amount, receiverID, message = "", token = DEFAULT.currency, options = {}) {
return new Promise((resolve, reject) => {
let senderID = floCrypto.getFloID(privKey);
if (typeof amount !== "number" || isNaN(amount) || amount <= 0)
return reject("Invalid amount");
getBalance(senderID, token).then(bal => {
if (amount > bal)
return reject(`Insufficient ${token}# balance`);
floBlockchainAPI.writeData(senderID, `send ${amount} ${token}# ${message}`, privKey, receiverID, options)
.then(txid => resolve(txid))
.catch(error => reject(error))
}).catch(error => reject(error))
});
}
function sendTokens_raw(privKey, receiverID, token, amount, utxo, vout, scriptPubKey) {
return new Promise((resolve, reject) => {
var trx = bitjs.transaction();
trx.addinput(utxo, vout, scriptPubKey)
trx.addoutput(receiverID, floBlockchainAPI.sendAmt);
trx.addflodata(`send ${amount} ${token}#`);
var signedTxHash = trx.sign(privKey, 1);
floBlockchainAPI.broadcastTx(signedTxHash)
.then(txid => resolve([receiverID, txid]))
.catch(error => reject([receiverID, error]))
})
}
//bulk transfer tokens
tokenAPI.bulkTransferTokens = function (sender, privKey, token, receivers) {
return new Promise((resolve, reject) => {
if (typeof receivers !== 'object')
return reject("receivers must be object in format {receiver1: amount1, receiver2:amount2...}")
let receiver_list = Object.keys(receivers), amount_list = Object.values(receivers);
let invalidReceivers = receiver_list.filter(id => !floCrypto.validateFloID(id));
let invalidAmount = amount_list.filter(val => typeof val !== 'number' || val <= 0);
if (invalidReceivers.length)
return reject(`Invalid receivers: ${invalidReceivers}`);
else if (invalidAmount.length)
return reject(`Invalid amounts: ${invalidAmount}`);
if (receiver_list.length == 0)
return reject("Receivers cannot be empty");
if (receiver_list.length == 1) {
let receiver = receiver_list[0], amount = amount_list[0];
floTokenAPI.sendToken(privKey, amount, receiver, "", token)
.then(txid => resolve({ success: { [receiver]: txid } }))
.catch(error => reject(error))
} else {
//check for token balance
floTokenAPI.getBalance(sender, token).then(token_balance => {
let total_token_amout = amount_list.reduce((a, e) => a + e, 0);
if (total_token_amout > token_balance)
return reject(`Insufficient ${token}# balance`);
//split utxos
floBlockchainAPI.splitUTXOs(sender, privKey, receiver_list.length).then(split_txid => {
//wait for the split utxo to get confirmation
floBlockchainAPI.waitForConfirmation(split_txid).then(split_tx => {
//send tokens using the split-utxo
var scriptPubKey = split_tx.vout[0].scriptPubKey.hex;
let promises = [];
for (let i in receiver_list)
promises.push(sendTokens_raw(privKey, receiver_list[i], token, amount_list[i], split_txid, i, scriptPubKey));
Promise.allSettled(promises).then(results => {
let success = Object.fromEntries(results.filter(r => r.status == 'fulfilled').map(r => r.value));
let failed = Object.fromEntries(results.filter(r => r.status == 'rejected').map(r => r.reason));
resolve({ success, failed });
})
}).catch(error => reject(error))
}).catch(error => reject(error))
}).catch(error => reject(error))
}
})
}
tokenAPI.getAllTxs = function (floID, token = DEFAULT.currency) {
return new Promise((resolve, reject) => {
fetch_api(`api/v1.0/getFloAddressTransactions?token=${token}&floAddress=${floID}`)
.then(result => resolve(result))
.catch(error => reject(error))
})
}
const util = tokenAPI.util = {};
util.parseTxData = function (txData) {
let parsedData = {};
for (let p in txData.parsedFloData)
parsedData[p] = txData.parsedFloData[p];
parsedData.sender = txData.transactionDetails.vin[0].addr;
for (let vout of txData.transactionDetails.vout)
if (vout.scriptPubKey.addresses[0] !== parsedData.sender)
parsedData.receiver = vout.scriptPubKey.addresses[0];
parsedData.time = txData.transactionDetails.time;
return parsedData;
}
})('object' === typeof module ? module.exports : window.floTokenAPI = {});

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* {
padding: 0;
margin: 0;
-webkit-box-sizing: border-box;
box-sizing: border-box;
font-family: "Inter", sans-serif;
}
:root {
font-size: clamp(1rem, 1.2vmax, 1.2rem);
}
html,
body {
height: 100%;
scroll-behavior: smooth;
}
body {
color: rgba(var(--text-color), 1);
background: var(--foreground-color);
}
body,
body * {
--accent-color: rgb(0, 156, 78);
--text-color: 36, 36, 36;
--background-color: 248, 248, 248;
--foreground-color: rgb(255, 255, 255);
--danger-color: rgb(255, 75, 75);
--like-color: #e91e63;
scrollbar-width: thin;
}
body[data-theme=dark],
body[data-theme=dark] * {
--accent-color: rgb(14, 230, 122);
--text-color: 230, 230, 230;
--text-color-light: 170, 170, 170;
--background-color: 10, 10, 10;
--foreground-color: rgb(24, 24, 24);
--danger-color: rgb(255, 106, 106);
}
body[data-theme=dark] sm-popup::part(popup) {
background-color: var(--foreground-color);
}
p {
font-size: 0.9rem;
max-width: 70ch;
color: rgba(var(--text-color), 0.8);
}
p * {
font-family: inherit;
}
.flex {
display: -webkit-box;
display: -ms-flexbox;
display: flex;
}
.direction-column {
-webkit-box-orient: vertical;
-webkit-box-direction: normal;
-ms-flex-direction: column;
flex-direction: column;
}
.grid {
display: grid;
}
.flow-column {
grid-auto-flow: column;
}
.gap-0-5 {
gap: 0.5rem;
}
.gap-1 {
gap: 1rem;
}
.gap-1-5 {
gap: 1.5rem;
}
.gap-2 {
gap: 2rem;
}
.gap-3 {
gap: 3rem;
}
.justify-self-center {
justify-self: center;
}
.justify-self-start {
justify-self: start;
}
.justify-self-end {
justify-self: end;
}
.icon {
width: 1.2rem;
height: 1.2rem;
fill: rgba(var(--text-color), 0.8);
-ms-flex-negative: 0;
flex-shrink: 0;
}
button,
.button {
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
position: relative;
display: -webkit-inline-box;
display: -ms-inline-flexbox;
display: inline-flex;
border: none;
background-color: transparent;
overflow: hidden;
color: inherit;
cursor: pointer;
-webkit-transition: -webkit-transform 0.3s;
transition: -webkit-transform 0.3s;
transition: transform 0.3s;
transition: transform 0.3s, -webkit-transform 0.3s;
-webkit-tap-highlight-color: transparent;
-webkit-box-align: center;
-ms-flex-align: center;
align-items: center;
font-size: 0.9rem;
font-weight: 500;
}
.button {
white-space: nowrap;
padding: 0.6rem 1rem;
border-radius: 0.3rem;
background-color: rgba(var(--text-color), 0.06);
color: rgba(var(--text-color), 0.8);
-webkit-box-pack: center;
-ms-flex-pack: center;
justify-content: center;
}
.button--primary {
background-color: var(--accent-color);
color: rgba(var(--background-color), 1);
}
button:active,
.button:active,
sm-button:not([disabled]):active,
.interact:active {
-webkit-transform: scale(0.9);
transform: scale(0.9);
}
.popup__header {
display: grid;
gap: 0.5rem;
width: 100%;
padding: 0 1.5rem 0 0.5rem;
-webkit-box-align: center;
-ms-flex-align: center;
align-items: center;
grid-template-columns: auto 1fr auto;
}
.popup__header__close {
padding: 0.5rem;
}
#sign_in,
#sign_up {
-webkit-box-align: center;
-ms-flex-align: center;
align-items: center;
}
#sign_in sm-form,
#sign_up sm-form {
margin: 2rem 0;
--gap: 1rem;
}
#sign_in header,
#sign_up header {
padding: 1.5rem 0;
}
#sign_up sm-copy {
font-size: 0.9rem;
}
#sign_up h5 {
font-weight: 500;
color: rgba(var(--text-color), 0.8);
}
.card {
padding: 1rem;
border-radius: 0.5rem;
background-color: rgba(var(--text-color), 0.04);
}
.warning {
background-color: khaki;
color: rgba(0, 0, 0, 0.7);
padding: 1rem;
border-radius: 0.5rem;
line-height: 1.5;
}
#main_header {
display: grid;
gap: 1rem;
position: sticky;
top: 0;
padding: 1rem;
-webkit-box-align: center;
-ms-flex-align: center;
align-items: center;
grid-template-columns: 1fr auto auto;
background-color: var(--foreground-color);
z-index: 1;
}
.logo {
display: grid;
-webkit-box-align: center;
-ms-flex-align: center;
align-items: center;
width: 100%;
grid-template-columns: auto 1fr;
gap: 0 0.5rem;
margin-right: 1rem;
}
.logo h4 {
text-transform: capitalize;
font-size: 0.9rem;
font-weight: 500;
}
.main-logo {
height: 1.4rem;
width: 1.4rem;
fill: rgba(var(--text-color), 1);
stroke: none;
}
article {
position: relative;
padding-bottom: 3rem;
gap: 1rem;
}
article::after {
justify-self: center;
position: absolute;
bottom: 0;
content: "";
width: 4rem;
height: 0.3rem;
border-radius: 0.5rem;
background-color: rgba(var(--text-color), 0.5);
}
article p {
font-family: "noto serif", serif;
line-height: 1.8;
font-size: 1rem;
}
.page-layout {
display: grid;
grid-template-columns: 1rem minmax(0, 1fr) 1rem;
}
.page-layout > * {
grid-column: 2/3;
}
.hero-section {
display: grid;
grid-template-columns: minmax(0, 1fr);
margin-bottom: 1.5rem;
padding-top: 1.5rem;
}
img {
-o-object-fit: cover;
object-fit: cover;
width: 100%;
height: 40vh;
}
time {
font-size: 0.8rem;
}
h1 {
font-size: 1.4rem;
margin-bottom: 1rem;
}
h3:not(:first-of-type) {
margin-top: 2rem;
}
.full-bleed {
grid-column: 1/-1;
}
.quote-template {
position: relative;
padding: 1rem;
margin: 1rem 0;
border-radius: 0.2rem;
border: solid thin rgba(var(--text-color), 0.3);
-webkit-box-shadow: 0.3rem 0.5rem 0 0.1rem rgba(var(--text-color), 0.8);
box-shadow: 0.3rem 0.5rem 0 0.1rem rgba(var(--text-color), 0.8);
overflow: hidden;
justify-self: center;
padding-left: 1.3rem;
}
.quote-template figcaption {
margin-top: 0.5rem;
color: rgba(var(--text-color), 0.8);
font-size: 0.8rem;
margin-left: auto;
}
.upvote {
display: grid;
grid-template-columns: auto 1fr;
position: relative;
padding: 0.8rem;
border-radius: 2rem;
background-color: var(--foreground-color);
-webkit-box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
border: solid rgba(var(--text-color), 0.2) thin;
}
.upvote > * {
pointer-events: none;
}
.upvote:active {
-webkit-transform: none;
transform: none;
}
.upvote:active .icon {
-webkit-transform: scale(0.7);
transform: scale(0.7);
}
.upvote.liked {
background-color: var(--like-color);
color: white;
}
.upvote.liked .icon {
fill: white;
}
.expanding-heart,
.ring {
grid-area: 1/1;
}
.ring {
border: 0.1rem solid var(--like-color);
border-radius: 50%;
height: 0.5rem;
width: 0.5rem;
justify-self: center;
}
.upvote .icon {
grid-area: 1/1;
fill: var(--like-color);
height: 1.5rem;
width: 1.5rem;
-webkit-transition: -webkit-transform 0.2s;
transition: -webkit-transform 0.2s;
transition: transform 0.2s;
transition: transform 0.2s, -webkit-transform 0.2s;
}
.temp-count,
#like_count {
grid-area: 1/2;
}
.temp-count:not(:empty),
#like_count:not(:empty) {
margin-left: 0.4rem;
}
footer {
padding: 3rem 1.5rem;
justify-items: center;
}
@media screen and (min-width: 40rem) {
sm-popup {
--width: 24rem;
}
.popup__header {
padding: 1rem 1.5rem 0 1rem;
}
.page-layout {
grid-template-columns: 1fr 60ch 1fr;
}
h1 {
font-size: 2rem;
}
}
@media (any-hover: hover) {
::-webkit-scrollbar {
width: 0.5rem;
height: 0.5rem;
}
::-webkit-scrollbar-thumb {
background: rgba(var(--text-color), 0.3);
border-radius: 1rem;
}
::-webkit-scrollbar-thumb:hover {
background: rgba(var(--text-color), 0.5);
}
}
.hide-completely {
display: none;
}

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* {
padding: 0;
margin: 0;
-webkit-box-sizing: border-box;
box-sizing: border-box;
font-family: "Inter", sans-serif;
}
:root {
font-size: clamp(1rem, 1.2vmax, 1.2rem);
}
html,
body {
height: 100%;
scroll-behavior: smooth;
}
body {
color: rgba(var(--text-color), 1);
background: var(--foreground-color);
}
body,
body * {
--accent-color: rgb(0, 156, 78);
--text-color: 36, 36, 36;
--background-color: 248, 248, 248;
--foreground-color: rgb(255, 255, 255);
--danger-color: rgb(255, 75, 75);
--like-color: #e91e63;
scrollbar-width: thin;
}
body[data-theme="dark"],
body[data-theme="dark"] * {
--accent-color: rgb(14, 230, 122);
--text-color: 230, 230, 230;
--text-color-light: 170, 170, 170;
--background-color: 10, 10, 10;
--foreground-color: rgb(24, 24, 24);
--danger-color: rgb(255, 106, 106);
}
body[data-theme="dark"] sm-popup::part(popup) {
background-color: var(--foreground-color);
}
p {
font-size: 0.9rem;
max-width: 70ch;
color: rgba(var(--text-color), 0.8);
}
p * {
font-family: inherit;
}
.flex {
display: flex;
}
.direction-column {
flex-direction: column;
}
.grid {
display: grid;
}
.flow-column {
grid-auto-flow: column;
}
.gap-0-5 {
gap: 0.5rem;
}
.gap-1 {
gap: 1rem;
}
.gap-1-5 {
gap: 1.5rem;
}
.gap-2 {
gap: 2rem;
}
.gap-3 {
gap: 3rem;
}
.justify-self-center {
justify-self: center;
}
.justify-self-start {
justify-self: start;
}
.justify-self-end {
justify-self: end;
}
.icon {
width: 1.2rem;
height: 1.2rem;
fill: rgba(var(--text-color), 0.8);
flex-shrink: 0;
}
button,
.button {
user-select: none;
position: relative;
display: inline-flex;
border: none;
background-color: transparent;
overflow: hidden;
color: inherit;
cursor: pointer;
transition: transform 0.3s;
-webkit-tap-highlight-color: transparent;
align-items: center;
font-size: 0.9rem;
font-weight: 500;
}
.button {
white-space: nowrap;
padding: 0.6rem 1rem;
border-radius: 0.3rem;
background-color: rgba(var(--text-color), 0.06);
color: rgba(var(--text-color), 0.8);
justify-content: center;
&--primary {
background-color: var(--accent-color);
color: rgba(var(--background-color), 1);
}
}
button:active,
.button:active,
sm-button:not([disabled]):active,
.interact:active {
transform: scale(0.9);
}
.popup__header {
display: grid;
gap: 0.5rem;
width: 100%;
padding: 0 1.5rem 0 0.5rem;
align-items: center;
grid-template-columns: auto 1fr auto;
}
.popup__header__close {
padding: 0.5rem;
}
#sign_in,
#sign_up {
align-items: center;
sm-form {
margin: 2rem 0;
--gap: 1rem;
}
header {
padding: 1.5rem 0;
}
}
#sign_up {
sm-copy {
font-size: 0.9rem;
}
h5 {
font-weight: 500;
color: rgba(var(--text-color), 0.8);
}
}
.card {
padding: 1rem;
border-radius: 0.5rem;
background-color: rgba(var(--text-color), 0.04);
}
.warning {
background-color: khaki;
color: rgba(0, 0, 0, 0.7);
padding: 1rem;
border-radius: 0.5rem;
line-height: 1.5;
}
#main_header {
display: grid;
gap: 1rem;
position: sticky;
top: 0;
padding: 1rem;
align-items: center;
grid-template-columns: 1fr auto auto;
background-color: var(--foreground-color);
z-index: 1;
}
.logo {
display: grid;
align-items: center;
width: 100%;
grid-template-columns: auto 1fr;
gap: 0 0.5rem;
margin-right: 1rem;
}
.logo h4 {
text-transform: capitalize;
font-size: 0.9rem;
font-weight: 500;
}
.main-logo {
height: 1.4rem;
width: 1.4rem;
fill: rgba(var(--text-color), 1);
stroke: none;
}
article {
position: relative;
padding-bottom: 3rem;
gap: 1rem;
&::after {
justify-self: center;
position: absolute;
bottom: 0;
content: "";
width: 4rem;
height: 0.3rem;
border-radius: 0.5rem;
background-color: rgba(var(--text-color), 0.5);
}
p {
font-family: "noto serif", serif;
line-height: 1.8;
font-size: 1rem;
}
}
.page-layout {
display: grid;
grid-template-columns: 1rem minmax(0, 1fr) 1rem;
}
.page-layout > * {
grid-column: 2/3;
}
.hero-section {
display: grid;
grid-template-columns: minmax(0, 1fr);
margin-bottom: 1.5rem;
padding-top: 1.5rem;
}
img {
object-fit: cover;
width: 100%;
height: 40vh;
}
time {
font-size: 0.8rem;
}
h1 {
font-size: 1.4rem;
margin-bottom: 1rem;
}
h3:not(:first-of-type) {
margin-top: 2rem;
}
.full-bleed {
grid-column: 1/-1;
}
.quote-template {
position: relative;
padding: 1rem;
margin: 1rem 0;
border-radius: 0.2rem;
border: solid thin rgba(var(--text-color), 0.3);
box-shadow: 0.3rem 0.5rem 0 0.1rem rgba(var(--text-color), 0.8);
overflow: hidden;
justify-self: center;
padding-left: 1.3rem;
}
.quote-template figcaption {
margin-top: 0.5rem;
color: rgba(var(--text-color), 0.8);
font-size: 0.8rem;
margin-left: auto;
}
.upvote {
display: grid;
grid-template-columns: auto 1fr;
position: relative;
padding: 0.8rem;
border-radius: 2rem;
background-color: var(--foreground-color);
box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
border: solid rgba(var(--text-color), 0.2) thin;
& > * {
pointer-events: none;
}
&:active {
transform: none;
.icon {
transform: scale(0.7);
}
}
&.liked {
background-color: var(--like-color);
color: white;
.icon {
fill: white;
}
}
}
.expanding-heart,
.ring {
grid-area: 1/1;
}
.ring {
border: 0.1rem solid var(--like-color);
border-radius: 50%;
height: 0.5rem;
width: 0.5rem;
justify-self: center;
}
.upvote .icon {
grid-area: 1/1;
fill: var(--like-color);
height: 1.5rem;
width: 1.5rem;
transition: transform 0.2s;
}
.temp-count,
#like_count {
grid-area: 1/2;
&:not(:empty) {
margin-left: 0.4rem;
}
}
footer {
padding: 3rem 1.5rem;
justify-items: center;
}
@media screen and (min-width: 40rem) {
sm-popup {
--width: 24rem;
}
.popup__header {
padding: 1rem 1.5rem 0 1rem;
}
.page-layout {
grid-template-columns: 1fr 60ch 1fr;
}
h1 {
font-size: 2rem;
}
}
@media (any-hover: hover) {
::-webkit-scrollbar {
width: 0.5rem;
height: 0.5rem;
}
::-webkit-scrollbar-thumb {
background: rgba(var(--text-color), 0.3);
border-radius: 1rem;
&:hover {
background: rgba(var(--text-color), 0.5);
}
}
}
// highest priority styles
.hide-completely {
display: none;
}

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