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Copy pathfloTokenAPI.js
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166 lines (147 loc) · 7.34 KB
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(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 = {});