floBlockchainAPI v3.0.0: BlockBook API
- Converting API calls to FLO blockbook API - Changes and fixes required for the same
This commit is contained in:
sairajzero
parent
49d5c2411c
commit
d15af05764
@ -1,13 +1,13 @@
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(function (EXPORTS) { //floBlockchainAPI v2.5.6b
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/* FLO Blockchain Operator to send/receive data from blockchain using API calls*/
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(function (EXPORTS) { //floBlockchainAPI v3.0.0
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/* FLO Blockchain Operator to send/receive data from blockchain using API calls via FLO Blockbook*/
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'use strict';
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const floBlockchainAPI = EXPORTS;
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const DEFAULT = {
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blockchain: floGlobals.blockchain,
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apiURL: {
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FLO: ['https://flosight.ranchimall.net/'],
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FLO_TEST: ['https://flosight-testnet.ranchimall.net/']
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FLO: ['https://blockbook.ranchimall.net/'],
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FLO_TEST: []
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},
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sendAmt: 0.0003,
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fee: 0.0002,
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@ -61,9 +61,9 @@
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var serverList = Array.from(allServerList);
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var curPos = floCrypto.randInt(0, serverList.length - 1);
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function fetch_retry(apicall, rm_flosight) {
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function fetch_retry(apicall, rm_node) {
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return new Promise((resolve, reject) => {
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let i = serverList.indexOf(rm_flosight)
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let i = serverList.indexOf(rm_node)
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if (i != -1) serverList.splice(i, 1);
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curPos = floCrypto.randInt(0, serverList.length - 1);
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fetch_api(apicall, false)
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@ -82,19 +82,19 @@
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.then(result => resolve(result))
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.catch(error => reject(error));
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} else
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reject("No floSight server working");
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reject("No FLO blockbook server working");
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} else {
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let flosight = serverList[curPos];
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fetch(flosight + apicall).then(response => {
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let serverURL = serverList[curPos];
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fetch(serverURL + apicall).then(response => {
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if (response.ok)
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response.json().then(data => resolve(data));
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else {
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fetch_retry(apicall, flosight)
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fetch_retry(apicall, serverURL)
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.then(result => resolve(result))
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.catch(error => reject(error));
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}
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}).catch(error => {
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fetch_retry(apicall, flosight)
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fetch_retry(apicall, serverURL)
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.then(result => resolve(result))
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.catch(error => reject(error));
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})
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@ -124,43 +124,27 @@
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}
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//Get balance for the given Address
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const getBalance = floBlockchainAPI.getBalance = function (addr, after = null) {
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const getBalance = floBlockchainAPI.getBalance = function (addr) {
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return new Promise((resolve, reject) => {
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let api = `api/addr/${addr}/balance`, query_params = {};
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if (after) {
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if (typeof after === 'string' && /^[0-9a-z]{64}$/i.test(after))
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query_params.after = after;
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else return reject("Invalid 'after' parameter");
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}
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promisedAPI(api, query_params).then(result => {
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if (typeof result === 'object' && result.lastItem) {
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getBalance(addr, result.lastItem)
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.then(r => resolve(util.toFixed(r + result.data)))
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let api = `api/address/${addr}`;
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promisedAPI(api, { details: "basic" })
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.then(result => resolve(result["balance"]))
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.catch(error => reject(error))
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} else resolve(result);
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}).catch(error => reject(error))
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});
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}
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const getUTXOs = address => new Promise((resolve, reject) => {
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promisedAPI(`api/addr/${address}/utxo`)
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.then(utxo => resolve(utxo))
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.catch(error => reject(error))
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})
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const getUnconfirmedSpent = address => new Promise((resolve, reject) => {
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readTxs(address, { mempool: "only" }).then(result => {
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let unconfirmedSpent = {};
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for (let tx of result.items)
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if (tx.confirmations == 0)
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for (let vin of tx.vin)
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if (vin.addr === address) {
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if (Array.isArray(unconfirmedSpent[vin.txid]))
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unconfirmedSpent[vin.txid].push(vin.vout);
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else
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unconfirmedSpent[vin.txid] = [vin.vout];
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function getScriptPubKey(address) {
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var tx = bitjs.transaction();
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tx.addoutput(address, 0);
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let outputBuffer = tx.outputs.pop().script;
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return Crypto.util.bytesToHex(outputBuffer)
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}
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resolve(unconfirmedSpent);
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const getUTXOs = address => new Promise((resolve, reject) => {
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promisedAPI(`api/utxo/${address}`, { confirmed: true }).then(utxos => {
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let scriptPubKey = getScriptPubKey(address);
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utxos.forEach(u => u.scriptPubKey = scriptPubKey);
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resolve(utxos);
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}).catch(error => reject(error))
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})
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@ -180,7 +164,6 @@
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var fee = DEFAULT.fee;
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if (balance < sendAmt + fee)
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return reject("Insufficient FLO balance!");
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getUnconfirmedSpent(senderAddr).then(unconfirmedSpent => {
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getUTXOs(senderAddr).then(utxos => {
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//form/construct the transaction data
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var trx = bitjs.transaction();
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@ -189,8 +172,6 @@
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(i >= 0) && (utxoAmt < sendAmt + fee); i--) {
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//use only utxos with confirmations (strict_utxo mode)
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if (utxos[i].confirmations || !strict_utxo) {
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if (utxos[i].txid in unconfirmedSpent && unconfirmedSpent[utxos[i].txid].includes(utxos[i].vout))
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continue; //A transaction has already used the utxo, but is unconfirmed.
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trx.addinput(utxos[i].txid, utxos[i].vout, utxos[i].scriptPubKey);
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utxoAmt += utxos[i].amount;
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};
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@ -207,7 +188,6 @@
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}
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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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@ -293,15 +273,12 @@
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if (balance < totalAmt + fee)
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return reject("Insufficient FLO balance!");
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//get unconfirmed tx list
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getUnconfirmedSpent(floID).then(unconfirmedSpent => {
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getUTXOs(floID).then(utxos => {
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var trx = bitjs.transaction();
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var utxoAmt = 0.0;
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for (let i = utxos.length - 1; (i >= 0) && (utxoAmt < totalAmt + fee); i--) {
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//use only utxos with confirmations (strict_utxo mode)
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if (utxos[i].confirmations || !strict_utxo) {
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if (utxos[i].txid in unconfirmedSpent && unconfirmedSpent[utxos[i].txid].includes(utxos[i].vout))
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continue; //A transaction has already used the utxo, but is unconfirmed.
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trx.addinput(utxos[i].txid, utxos[i].vout, utxos[i].scriptPubKey);
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utxoAmt += utxos[i].amount;
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};
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@ -322,7 +299,6 @@
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}
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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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@ -551,7 +527,6 @@
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var fee = DEFAULT.fee;
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if (balance < sendAmt + fee)
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return reject("Insufficient FLO balance!");
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getUnconfirmedSpent(senderAddr).then(unconfirmedSpent => {
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getUTXOs(senderAddr).then(utxos => {
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//form/construct the transaction data
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var trx = bitjs.transaction();
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@ -560,8 +535,6 @@
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(i >= 0) && (utxoAmt < sendAmt + fee); i--) {
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//use only utxos with confirmations (strict_utxo mode)
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if (utxos[i].confirmations || !strict_utxo) {
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if (utxos[i].txid in unconfirmedSpent && unconfirmedSpent[utxos[i].txid].includes(utxos[i].vout))
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continue; //A transaction has already used the utxo, but is unconfirmed.
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trx.addinput(utxos[i].txid, utxos[i].vout, redeemScript); //for multisig, script=redeemScript
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utxoAmt += utxos[i].amount;
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};
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@ -579,7 +552,6 @@
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}
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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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@ -773,20 +745,11 @@
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const broadcastTx = floBlockchainAPI.broadcastTx = function (signedTxHash) {
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return new Promise((resolve, reject) => {
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if (signedTxHash.length < 1)
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return reject("Empty Signature");
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var url = serverList[curPos] + 'api/tx/send';
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fetch(url, {
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method: "POST",
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headers: {
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'Content-Type': 'application/json'
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},
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body: `{"rawtx":"${signedTxHash}"}`
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}).then(response => {
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if (response.ok)
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response.json().then(data => resolve(data.txid.result));
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else
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response.text().then(data => resolve(data));
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}).catch(error => reject(error));
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return reject("Empty Transaction Data");
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promisedAPI('/api/sendtx/' + signedTxHash)
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.then(response => resolve(response["result"]))
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.catch(error => reject(error))
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})
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}
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@ -825,27 +788,27 @@
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})
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}
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//Read Txs of Address between from and to
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//Read Txs of Address
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const readTxs = floBlockchainAPI.readTxs = function (addr, options = {}) {
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return new Promise((resolve, reject) => {
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let api = `api/addrs/${addr}/txs`;
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//API options
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let query_params = {};
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if (!isUndefined(options.after) || !isUndefined(options.before)) {
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if (!isUndefined(options.after))
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query_params.after = options.after;
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if (!isUndefined(options.before))
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query_params.before = options.before;
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} else {
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if (!isUndefined(options.from))
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query_params.from = options.from;
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if (!isUndefined(options.to))
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query_params.to = options.to;
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}
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if (!isUndefined(options.latest))
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query_params.latest = options.latest;
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if (!isUndefined(options.mempool))
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query_params.mempool = options.mempool;
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//page options
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if (!isUndefined(options.page) && Number.isInteger(options.page))
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query_params.page = options.page;
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if (!isUndefined(options.pageSize) && Number.isInteger(options.pageSize))
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query_params.pageSize = options.pageSize;
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//only confirmed tx
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if (options.confirmed) //Default is false in server, so only add confirmed filter if confirmed has a true value
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query_params.confirmed = true;
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//from block number
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if (!isUndefined(options.fromBlock) && Number.isInteger(options.fromBlock))
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query_params.from = options.fromBlock;
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//to block number
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if (!isUndefined(options.toBlock) && Number.isInteger(options.toBlock))
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query_params.to = options.toBlock;
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promisedAPI(api, query_params)
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.then(response => resolve(response))
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.catch(error => reject(error))
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