Adding mergeUTXOs and sentTxMultiple
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sairajzero
parent
516aad3e67
commit
18ddc93477
@ -8361,7 +8361,7 @@
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},
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//Write Data into blockchain
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writeData: function (senderAddr, Data, PrivKey, receiverAddr = floGlobals.adminID) {
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writeData: function (senderAddr, Data, PrivKey, receiverAddr) {
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return new Promise((resolve, reject) => {
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this.sendTx(senderAddr, receiverAddr, floGlobals.sendAmt, PrivKey, Data)
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.then(txid => resolve(txid))
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@ -8409,12 +8409,234 @@
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}
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});
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},
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//merge all UTXOs of a given floID into a single UTXO
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mergeUTXOs: function (floID, privKey, floData = '') {
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return new Promise((resolve, reject) => {
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if (!floCrypto.validateAddr(floID))
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return reject(`Invalid floID`);
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if (!floCrypto.verifyPrivKey(privKey, floID))
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return reject("Invalid Private Key")
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var trx = bitjs.transaction();
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var utxoAmt = 0.0;
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var fee = floGlobals.fee;
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this.promisedAPI(`api/addr/${floID}/utxo`).then(utxos => {
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for (var i = utxos.length - 1; i >= 0; i--) {
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if (utxos[i].confirmations) {
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trx.addinput(utxos[i].txid, utxos[i].vout, utxos[i]
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.scriptPubKey)
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utxoAmt += utxos[i].amount;
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}
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}
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trx.addoutput(floID, utxoAmt - fee);
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trx.addflodata(floData);
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var signedTxHash = trx.sign(privKey, 1);
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this.broadcastTx(signedTxHash)
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.then(txid => resolve(txid))
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.catch(error => reject(error))
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}).catch(error => reject(error))
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})
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},
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/**Write data into blockchain from (and/or) to multiple floID
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* @param {Array} senderPrivKeys List of sender private-keys
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* @param {string} data FLO data of the txn
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* @param {Array} receivers List of receivers
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* @param {float} sendAmt (optional) amount to be sent to receivers (default value: floGlobals.sendAmt)
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* @return {Promise}
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*/
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writeDataMultiple: function (senderPrivKeys, data, receivers, preserveRatio = true){
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return new Promise((resolve, reject) => {
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if (!Array.isArray(senderPrivKeys))
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return reject("Invalid senderPrivKeys: SenderPrivKeys must be Array")
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if(!preserveRatio){
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let tmp = {};
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let amount = (floGlobals.sendAmt * receivers.length) / senderPrivKeys.length;
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senderPrivKeys.forEach(key => tmp[key] = amount);
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senderPrivKeys = tmp
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}
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if (!Array.isArray(receivers))
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return reject("Invalid receivers: Receivers must be Array")
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else {
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let tmp = {};
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let amount = floGlobals.sendAmt;
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receivers.forEach(floID => tmp[floID] = amount);
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receivers = tmp
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}
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if (typeof data != "string")
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data = JSON.stringify(data);
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this.sendTxMultiple(senderPrivKeys, receivers, data)
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.then(txid => resolve(txid))
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.catch(error => reject(error))
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})
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},
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/**Send Tx from (and/or) to multiple floID
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* @param {Array or Object} senderPrivKeys List of sender private-key (optional: with coins to be sent)
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* @param {Object} receivers List of receivers with respective amount to be sent
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* @param {string} floData FLO data of the txn
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* @return {Promise}
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*/
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sendTxMultiple: function (senderPrivKeys, receivers, floData = '') {
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return new Promise((resolve, reject) => {
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let senders = {}, preserveRatio;
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//check for argument validations
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try{
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let invalids = {
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InvalidSenderPrivKeys: [],
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InvalidSenderAmountFor: [],
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InvalidReceiverIDs: [],
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InvalidReceiveAmountFor: []
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}
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let inputVal = 0, outputVal = 0;
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//Validate sender privatekeys (and send amount if passed)
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//conversion when only privateKeys are passed (preserveRatio mode)
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if(Array.isArray(senderPrivKeys)){
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senderPrivKeys.forEach(key => {
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try{
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if(!key)
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invalids.InvalidSenderPrivKeys.push(key);
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else{
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let floID = floCrypto.getFloIDfromPubkeyHex(floCrypto.getPubKeyHex(key));
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senders[floID] = {
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wif: key
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}
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}
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}catch(error){
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invalids.InvalidSenderPrivKeys.push(key)
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}
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})
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preserveRatio = true;
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}
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//conversion when privatekeys are passed with send amount
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else{
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for(let key in senderPrivKeys){
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try{
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if(!key)
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invalids.InvalidSenderPrivKeys.push(key);
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else{
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if(typeof senderPrivKeys[key] !== 'number' || senderPrivKeys[key] <= 0)
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invalids.InvalidSenderAmountFor.push(key)
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else
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inputVal += senderPrivKeys[key];
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let floID = floCrypto.getFloIDfromPubkeyHex(floCrypto.getPubKeyHex(key));
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senders[floID] = {
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wif: key,
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coins: senderPrivKeys[key]
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}
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}
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}catch(error){
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invalids.InvalidSenderPrivKeys.push(key)
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}
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}
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preserveRatio = false;
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}
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//Validate the receiver IDs and receive amount
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for (let floID in receivers) {
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if (!floCrypto.validateAddr(floID))
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invalids.InvalidReceiverIDs.push(floID)
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if (typeof receivers[floID] !== 'number' || receivers[floID] <= 0)
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invalids.InvalidReceiveAmountFor.push(floID)
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else
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outputVal += receivers[floID];
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}
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//Reject if any invalids are found
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for (let i in invalids)
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if (!invalids[i].length)
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delete invalids[i];
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if (Object.keys(invalids).length)
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return reject(invalids);
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//Reject if given inputVal and outputVal are not equal
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if(!preserveRatio && inputVal != outputVal)
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return reject(`Input Amount (${inputVal}) not equal to Output Amount (${outputVal})`)
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}catch(error){
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return reject(error)
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}
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//Get balance of senders
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let promises = []
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for (let floID in senders)
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promises.push(this.getBalance(floID))
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Promise.all(promises).then(results => {
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let totalBalance = 0,
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totalFee = floGlobals.fee,
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balance = {};
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//Divide fee among sender if not for preserveRatio
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if(!preserveRatio)
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var dividedFee = totalFee / Object.keys(senders).length;
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//Check if balance of each sender is sufficient enough
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let insufficient = [];
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for (let floID in senders) {
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balance[floID] = parseFloat(results.shift());
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if (isNaN(balance[floID]) || (preserveRatio && balance[floID] <= totalFee) || (!preserveRatio && balance[floID] < senders[floID].coins + dividedFee))
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insufficient.push(floID)
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totalBalance += balance[floID];
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}
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if (insufficient.length)
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return reject({InsufficientBalance: insufficient})
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//Calculate totalSentAmount and check if totalBalance is sufficient
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let totalSendAmt = totalFee;
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for (floID in receivers)
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totalSendAmt += receivers[floID];
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if (totalBalance < totalSendAmt)
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return reject("Insufficient total Balance")
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//Get the UTXOs of the senders
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let promises = []
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for (floID in senders)
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promises.push(this.promisedAPI(`api/addr/${floID}/utxo`))
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Promise.all(promises).then(results => {
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let wifSeq = [];
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var trx = bitjs.transaction();
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for (floID in senders) {
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let utxos = results.shift();
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let sendAmt;
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if(preserveRatio){
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let ratio = (balance[floID] / totalBalance);
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sendAmt = totalSendAmt * ratio;
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} else
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sendAmt = senders[floID].coins + dividedFee;
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let wif = senders[floID].wif;
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let utxoAmt = 0.0;
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for (let i = utxos.length - 1;
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(i >= 0) && (utxoAmt < sendAmt); i--) {
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if (utxos[i].confirmations) {
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trx.addinput(utxos[i].txid, utxos[i].vout, utxos[i]
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.scriptPubKey)
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wifSeq.push(wif);
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utxoAmt += utxos[i].amount;
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}
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}
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if (utxoAmt < sendAmt)
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return reject("Insufficient balance:" + floID);
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let change = (utxoAmt - sendAmt);
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if (change > 0)
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trx.addoutput(floID, change);
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}
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for (floID in receivers)
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trx.addoutput(floID, receivers[floID]);
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trx.addflodata(floData);
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for (let i = 0; i < wifSeq.length; i++)
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trx.signinput(i, wifSeq[i], 1);
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var signedTxHash = trx.serialize();
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this.broadcastTx(signedTxHash)
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.then(txid => resolve(txid))
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.catch(error => reject(error))
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}).catch(error => reject(error))
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}).catch(error => reject(error))
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})
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},
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//Broadcast signed Tx in blockchain using API
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broadcastTx: function (signedTxHash) {
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return new Promise((resolve, reject) => {
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var request = new XMLHttpRequest();
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var url = this.util.serverList[this.util.curPos] + 'api/tx/send';
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console.log(url)
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if (signedTxHash.length < 1)
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reject("Empty Signature");
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else {
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