mirror of
https://github.com/Xahau/xahau.js.git
synced 2025-11-22 05:05:48 +00:00
Update remote
This commit is contained in:
wltsmrz
@@ -18,6 +18,7 @@
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var EventEmitter = require('events').EventEmitter;
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var util = require('util');
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var Request = require('./request').Request;
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var Server = require('./server').Server;
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var Amount = require('./amount').Amount;
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var Currency = require('./currency').Currency;
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@@ -31,250 +32,7 @@ var utils = require('./utils');
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var config = require('./config');
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var sjcl = require('../../../build/sjcl');
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// Request events emitted:
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// 'success' : Request successful.
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// 'error' : Request failed.
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// 'remoteError'
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// 'remoteUnexpected'
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// 'remoteDisconnected'
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function Request(remote, command) {
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EventEmitter.call(this);
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this.remote = remote;
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this.requested = false;
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this.message = {
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command : command,
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id : void(0)
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};
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};
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util.inherits(Request, EventEmitter);
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// Send the request to a remote.
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Request.prototype.request = function (remote) {
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if (!this.requested) {
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this.requested = true;
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this.remote.request(this);
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this.emit('request', remote);
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}
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};
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Request.prototype.callback = function(callback, successEvent, errorEvent) {
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if (callback && typeof callback === 'function') {
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this.once(successEvent || 'success', callback.bind(this, null));
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this.once(errorEvent || 'error' , callback.bind(this));
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this.request();
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}
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return this;
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};
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Request.prototype.timeout = function(duration, callback) {
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if (!this.requested) {
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this.once('request', this.timeout.bind(this, duration, callback));
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return;
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};
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var self = this;
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var emit = this.emit;
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var timed_out = false;
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var timeout = setTimeout(function() {
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timed_out = true;
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if (typeof callback === 'function') callback();
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emit.call(self, 'timeout');
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}, duration);
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this.emit = function() {
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if (timed_out) return;
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else clearTimeout(timeout);
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emit.apply(self, arguments);
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};
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return this;
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};
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Request.prototype.build_path = function (build) {
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if (build) {
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this.message.build_path = true;
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}
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return this;
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};
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Request.prototype.ledger_choose = function (current) {
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if (current) {
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this.message.ledger_index = this.remote._ledger_current_index;
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} else {
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this.message.ledger_hash = this.remote._ledger_hash;
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}
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return this;
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};
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// Set the ledger for a request.
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// - ledger_entry
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// - transaction_entry
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Request.prototype.ledger_hash = function (h) {
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this.message.ledger_hash = h;
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return this;
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};
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// Set the ledger_index for a request.
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// - ledger_entry
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Request.prototype.ledger_index = function (ledger_index) {
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this.message.ledger_index = ledger_index;
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return this;
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};
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Request.prototype.ledger_select = function (ledger_spec) {
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switch (ledger_spec) {
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case 'current':
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case 'closed':
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case 'verified':
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this.message.ledger_index = ledger_spec;
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break;
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default:
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// XXX Better test needed
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if (String(ledger_spec).length > 12) {
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this.message.ledger_hash = ledger_spec;
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} else {
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this.message.ledger_index = ledger_spec;
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}
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break;
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}
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return this;
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};
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Request.prototype.account_root = function (account) {
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this.message.account_root = UInt160.json_rewrite(account);
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return this;
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};
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Request.prototype.index = function (hash) {
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this.message.index = hash;
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return this;
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};
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// Provide the information id an offer.
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// --> account
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// --> seq : sequence number of transaction creating offer (integer)
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Request.prototype.offer_id = function (account, seq) {
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this.message.offer = {
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account: UInt160.json_rewrite(account),
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seq: seq
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};
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return this;
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};
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// --> index : ledger entry index.
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Request.prototype.offer_index = function (index) {
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this.message.offer = index;
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return this;
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};
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Request.prototype.secret = function (s) {
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if (s) {
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this.message.secret = s;
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}
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return this;
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};
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Request.prototype.tx_hash = function (h) {
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this.message.tx_hash = h;
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return this;
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};
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Request.prototype.tx_json = function (j) {
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this.message.tx_json = j;
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return this;
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};
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Request.prototype.tx_blob = function (j) {
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this.message.tx_blob = j;
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return this;
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};
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Request.prototype.ripple_state = function (account, issuer, currency) {
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this.message.ripple_state = {
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'accounts' : [
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UInt160.json_rewrite(account),
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UInt160.json_rewrite(issuer)
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],
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'currency' : currency
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};
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return this;
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};
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Request.prototype.accounts = function (accounts, realtime) {
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if (!Array.isArray(accounts)) {
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accounts = [ accounts ];
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}
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// Process accounts parameters
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var procAccounts = accounts.map(function(account) {
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return UInt160.json_rewrite(account);
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});
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if (realtime) {
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this.message.rt_accounts = procAccounts;
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} else {
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this.message.accounts = procAccounts;
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}
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return this;
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};
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Request.prototype.rt_accounts = function (accounts) {
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return this.accounts(accounts, true);
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};
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Request.prototype.books = function (books, snapshot) {
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var procBooks = [];
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for (var i = 0, l = books.length; i < l; i++) {
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var book = books[i];
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var json = {};
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function processSide(side) {
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if (!book[side]) throw new Error('Missing '+side);
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var obj = json[side] = {
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currency: Currency.json_rewrite(book[side].currency)
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};
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if (obj.currency !== 'XRP') {
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obj.issuer = UInt160.json_rewrite(book[side].issuer);
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}
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}
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processSide('taker_gets');
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processSide('taker_pays');
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if (snapshot) json.snapshot = true;
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if (book.both) json.both = true;
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procBooks.push(json);
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}
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this.message.books = procBooks;
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return this;
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};
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//------------------------------------------------------------------------------
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/**
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Interface to manage the connection to a Ripple server.
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@@ -606,13 +364,25 @@ Remote.prototype.ledger_hash = function () {
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// It is possible for messages to be dispatched after the connection is closed.
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Remote.prototype._handle_message = function (json) {
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var self = this;
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var message = JSON.parse(json);
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var unexpected = false;
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var request;
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var message
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if (typeof message !== 'object') {
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try {
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message = JSON.parse(json);
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unexpected = typeof message !== 'object';
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} catch(exception) {
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unexpected = true;
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} else {
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}
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if (unexpected) {
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// Unexpected response from remote.
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this.emit('error', {
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error: 'remoteUnexpected',
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error_message: 'Unexpected response from remote.'
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});
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return;
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}
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switch (message.type) {
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case 'response':
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// Handled by the server that sent the request
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@@ -648,17 +418,15 @@ Remote.prototype._handle_message = function (json) {
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// Pass the event on to any related Account objects
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var affected = message.mmeta.getAffectedAccounts();
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for (var i = 0, l = affected.length; i < l; i++) {
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for (var i=0, l=affected.length; i<l; i++) {
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var account = self._accounts[affected[i]];
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if (account) account.notifyTx(message);
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}
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// Pass the event on to any related OrderBooks
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affected = message.mmeta.getAffectedBooks();
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for (i = 0, l = affected.length; i < l; i++) {
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for (i=0, l=affected.length; i<l; i++) {
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var book = self._books[affected[i]];
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if (book) book.notifyTx(message);
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}
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@@ -668,6 +436,8 @@ Remote.prototype._handle_message = function (json) {
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// XXX Should be tracked by the Server object
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case 'serverStatus':
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self.emit('server_status', message);
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if ('load_base' in message && 'load_factor' in message &&
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(message.load_base !== self._load_base || message.load_factor != self._load_factor))
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{
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@@ -684,16 +454,6 @@ Remote.prototype._handle_message = function (json) {
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this.emit('net_' + message.type, message);
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break;
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}
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}
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// Unexpected response from remote.
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if (unexpected) {
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console.log('unexpected message from trusted remote: %s', json);
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(request || this).emit('error', {
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'error' : 'remoteUnexpected',
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'error_message' : 'Unexpected response from remote.'
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});
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}
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};
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Remote.prototype._set_primary_server = function (server) {
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@@ -776,10 +536,12 @@ Remote.prototype.request_ledger = function (ledger, opts, callback) {
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if (opts.transactions) request.message.transactions = true;
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if (opts.accounts) request.message.accounts = true;
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break;
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case 'function':
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callback = opts;
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opts = void(0);
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break;
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default:
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//DEPRECATED
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console.log('request_ledger: full parameter is deprecated');
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@@ -922,10 +684,12 @@ Remote.prototype.request_unsubscribe = function (streams, callback) {
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// .ledger_index()
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Remote.prototype.request_transaction_entry = function (hash, callback) {
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//utils.assert(this.trusted); // If not trusted, need to check proof, maybe talk packet protocol.
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var request = new Request(this, 'transaction_entry');
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return (new Request(this, 'transaction_entry'))
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.tx_hash(hash)
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.callback(callback);
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request.tx_hash(hash);
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request.callback(callback);
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return request;
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};
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// DEPRECATED: use request_transaction_entry
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@@ -1209,19 +973,17 @@ Remote.prototype.request_owner_count = function (account, current, callback) {
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return request;
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};
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Remote.prototype.account = function (accountId, callback) {
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Remote.prototype.get_account =
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Remote.prototype.account = function (accountId) {
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var accountId = UInt160.json_rewrite(accountId);
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var account = this._accounts[accountId];
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if (!this._accounts[accountId]) {
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var account = new Account(this, accountId);
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if (!account) {
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account = new Account(this, accountId);
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if (!account.is_valid()) return account;
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this._accounts[accountId] = account;
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}
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var account = this._accounts[accountId];
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return account;
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};
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@@ -1444,6 +1206,7 @@ Remote.prototype.request_connect = function (ip, port, callback) {
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return request;
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};
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Remote.prototype.create_transaction =
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Remote.prototype.transaction = function () {
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return new Transaction(this);
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};
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@@ -1456,8 +1219,7 @@ Remote.prototype.transaction = function () {
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*
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* @return {Number} Recommended amount for one fee unit.
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*/
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Remote.prototype.fee_tx = function ()
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{
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Remote.prototype.fee_tx = function () {
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var fee_unit = this._fee_base / this._fee_ref;
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// Apply load fees
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@@ -1474,8 +1236,7 @@ Remote.prototype.fee_tx = function ()
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*
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* Returns the base reserve with load fees and safety margin applied.
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*/
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Remote.prototype.fee_reserve_base = function ()
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{
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Remote.prototype.fee_reserve_base = function () {
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// XXX
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};
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