mirror of https://github.com/BTCPrivate/copay.git
222 lines
5.1 KiB
JavaScript
222 lines
5.1 KiB
JavaScript
'use strict';
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var imports = require('soop').imports();
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var bitcore = require('bitcore');
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function Insight(opts) {
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opts = opts || {};
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this.host = opts.host || 'localhost';
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this.port = opts.port || '3001';
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this.scheme = opts.scheme || 'http';
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}
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function _asyncForEach(array, fn, callback) {
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array = array.slice(0);
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function processOne() {
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var item = array.pop();
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fn(item, function(result) {
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if(array.length > 0) {
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setTimeout(processOne, 0); // schedule immediately
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} else {
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callback(); // Done!
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}
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});
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}
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if(array.length > 0) {
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setTimeout(processOne, 0); // schedule immediately
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} else {
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callback(); // Done!
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}
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};
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function removeRepeatedElements(ar){
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var ya=false,v="",aux=[].concat(ar),r=Array();
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for (var i in aux){ //
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v=aux[i];
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ya=false;
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for (var a in aux){
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if (v==aux[a]){
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if (ya==false){
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ya=true;
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}
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else{
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aux[a]="";
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}
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}
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}
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}
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for (var a in aux){
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if (aux[a]!=""){
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r.push(aux[a]);
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}
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}
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return r;
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}
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Insight.prototype.getTransactions = function(addresses, cb) {
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var self = this;
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if (!addresses || !addresses.length) return cb([]);
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var txids = [];
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var txs = [];
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_asyncForEach(addresses, function(addr, callback) {
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var options = {
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host: self.host,
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port: self.port,
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scheme: self.scheme,
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method: 'GET',
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path: '/api/addr/' + addr,
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headers: { 'Access-Control-Request-Headers' : '' }
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};
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self._request(options, function(err, res) {
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var txids_tmp = res.transactions;
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for(var i=0; i<txids_tmp.length; i++) {
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txids.push(txids_tmp[i]);
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}
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callback();
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});
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}, function() {
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var clean_txids = removeRepeatedElements(txids);
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_asyncForEach(clean_txids, function(txid, callback2) {
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var options = {
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host: self.host,
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port: self.port,
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scheme: self.scheme,
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method: 'GET',
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path: '/api/tx/' + txid,
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headers: { 'Access-Control-Request-Headers' : '' }
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};
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self._request(options, function(err, res) {
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txs.push(res);
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callback2();
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});
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}, function() {
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return cb(txs);
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});
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});
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};
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Insight.prototype.getUnspent = function(addresses, cb) {
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var self = this;
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if (!addresses || !addresses.length) return cb([]);
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var all = [];
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_asyncForEach(addresses, function(addr, callback) {
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var options = {
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host: self.host,
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port: self.port,
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scheme: self.scheme,
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method: 'GET',
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path: '/api/addr/' + addr + '/utxo',
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headers: { 'Access-Control-Request-Headers' : '' }
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};
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self._request(options, function(err, res) {
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if (res && res.length > 0) {
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all = all.concat(res);
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}
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callback();
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});
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}, function() {
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return cb(all);
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});
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};
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Insight.prototype.sendRawTransaction = function(rawtx, cb) {
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if (!rawtx) return callback();
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var options = {
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host: this.host,
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port: this.port,
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method: 'POST',
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path: '/api/tx/send',
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data: 'rawtx='+rawtx,
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headers: { 'content-type' : 'application/x-www-form-urlencoded' }
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};
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this._request(options, function(err,res) {
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console.log('[Insight.js.73:err:]',err); //TODO
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if (err) return cb();
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console.log('[Insight.js.74]', res); //TODO
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return cb(res.txid);
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});
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};
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Insight.prototype._request = function(options, callback) {
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if (typeof process === 'undefined' || !process.version) {
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var request = new XMLHttpRequest();
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// TODO: Normalize URL
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var url = 'http://' + options.host;
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if (options.port !== 80) {
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url = url + ':' + options.port;
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}
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url = url + options.path;
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if (options.data && options.method === 'GET') {
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url = url + '?' + options.data;
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}
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request.open(options.method, url, true);
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request.onreadystatechange = function() {
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if (request.readyState === 4) {
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if (request.status === 200) {
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return callback(null, JSON.parse(request.responseText));
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}
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else {
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return callback({
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message: 'Error code: ' + request.status + ' - Status: ' + request.statusText + ' - Description: ' + request.responseText
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});
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}
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}
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};
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if (options.method === 'POST') {
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request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
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request.send(options.data);
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} else {
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request.send(null);
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}
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} else {
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var http = require('http');
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var req = http.request(options, function(response) {
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var ret;
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if (response.statusCode == 200) {
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response.on('data', function(chunk) {
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try {
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ret = JSON.parse(chunk);
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} catch (e) {
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callback({message: "Wrong response from insight"});
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return;
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}
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});
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response.on('end', function () {
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callback(undefined, ret);
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return;
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});
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}
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else {
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callback({message: 'Error ' + response.statusCode});
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return;
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}
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});
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if (options.data) {
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req.write(options.data);
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}
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req.end();
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}
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}
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module.exports = require('soop')(Insight);
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