919 lines
20 KiB
JavaScript
919 lines
20 KiB
JavaScript
/*!
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* client.js - http client for wallets
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* Copyright (c) 2014-2015, Fedor Indutny (MIT License)
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* Copyright (c) 2014-2016, Christopher Jeffrey (MIT License).
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* https://github.com/indutny/bcoin
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*/
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module.exports = function(bcoin) {
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var EventEmitter = require('events').EventEmitter;
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var network = bcoin.protocol.network;
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var utils = require('../utils');
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var assert = utils.assert;
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var request = require('./request');
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/**
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* BCoin HTTP client.
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* @exports HTTPClient
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* @constructor
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* @param {String} uri
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* @param {Object?} options
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*/
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function HTTPClient(uri, options) {
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if (!(this instanceof HTTPClient))
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return new HTTPClient(uri, options);
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if (!options)
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options = {};
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EventEmitter.call(this);
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this.uri = uri;
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this.loaded = false;
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this.id = null;
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this.options = options;
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this._init();
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}
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utils.inherits(HTTPClient, EventEmitter);
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HTTPClient.prototype._init = function _init() {
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var self = this;
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var io;
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return;
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try {
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io = require('socket.io');
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} catch (e) {
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;
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}
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if (!io)
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return;
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this.socket = new io.Socket(this.uri);
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this.socket.on('error', function(err) {
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self.emit('error', err);
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});
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this.socket.on('open', function() {
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self.socket.on('version', function(info) {
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bcoin.debug('Connected to bcoin server: %s (%s)',
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info.version, info.network);
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assert(info.network === network.type, 'Wrong network.');
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});
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self.socket.on('tx', function(tx, map) {
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try {
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tx = bcoin.tx.fromJSON(tx);
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} catch (e) {
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return self.emit('error', e);
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}
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self.emit('tx', tx, map);
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});
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self.socket.on('confirmed', function(tx, map) {
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try {
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tx = bcoin.tx.fromJSON(tx);
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} catch (e) {
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return self.emit('error', e);
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}
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self.emit('confirmed', tx, map);
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});
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self.socket.on('updated', function(tx, map) {
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try {
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tx = bcoin.tx.fromJSON(tx);
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} catch (e) {
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return self.emit('error', e);
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}
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self.emit('updated', tx, map);
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});
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self.socket.on('balance', function(balance, id) {
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self.emit('balance', {
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confirmed: utils.satoshi(balance.confirmed),
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unconfirmed: utils.satoshi(balance.unconfirmed),
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total: utils.satoshi(balance.total)
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}, id);
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});
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self.socket.on('balances', function(json) {
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var balances = {};
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Object.keys(json).forEach(function(id) {
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balances[id] = {
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confirmed: utils.satoshi(json[id].confirmed),
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unconfirmed: utils.satoshi(json[id].unconfirmed),
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total: utils.satoshi(json[id].total)
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};
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});
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self.emit('balances', balances);
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});
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self.loaded = true;
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self.emit('open');
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});
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};
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/**
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* Open the client, wait for the socket to load.
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* @param {Function} callback
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*/
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HTTPClient.prototype.open = function open(callback) {
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if (this.loaded)
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return utils.nextTick(callback);
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this.once('open', callback);
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};
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/**
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* Listen for events on wallet id.
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* @param {WalletID} id
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*/
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HTTPClient.prototype.listenWallet = function listenWallet(id) {
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if (!this.socket)
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return;
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this.socket.join(id);
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};
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/**
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* Unlisten for events on wallet id.
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* @param {WalletID} id
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*/
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HTTPClient.prototype.unlistenWallet = function unlistenWallet(id) {
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if (!this.socket)
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return;
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this.socket.leave(id);
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};
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/**
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* Listen for events on all wallets.
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*/
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HTTPClient.prototype.listenAll = function listenAll() {
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this.listenWallet('!all');
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};
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/**
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* Unlisten for events on all wallets.
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*/
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HTTPClient.prototype.unlistenAll = function unlistenAll() {
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this.unlistenWallet('!all');
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};
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/**
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* Close the client, wait for the socket to close.
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* @method
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* @param {Function} callback
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*/
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HTTPClient.prototype.close =
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HTTPClient.prototype.destroy = function destroy(callback) {
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callback = utils.ensure(callback);
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if (!this.socket)
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return utils.nextTick(callback);
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this.socket.destroy();
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this.socket = null;
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return utils.nextTick(callback);
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};
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/**
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* Make an http request to endpoint.
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* @private
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* @param {String} method
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* @param {String} endpoint - Path.
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* @param {Object} json - Body or query depending on method.
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* @param {Function} callback - Returns [Error, Object?].
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*/
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HTTPClient.prototype._request = function _request(method, endpoint, json, callback) {
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var self = this;
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var query;
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var networkType;
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if (!callback) {
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callback = json;
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json = null;
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}
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if (json && method === 'get') {
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query = json;
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json = true;
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}
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request({
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method: method,
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uri: this.uri + endpoint,
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query: query,
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json: json,
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expect: 'json'
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}, function(err, res, body) {
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if (err)
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return callback(err);
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networkType = res.headers['x-bcoin-network'];
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assert(networkType === network.type, 'Wrong network.');
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if (res.statusCode === 404)
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return callback();
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if (!body)
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return callback(new Error('No body.'));
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if (res.statusCode !== 200)
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return callback(new Error('Status code: ' + res.statusCode));
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try {
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return callback(null, body);
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} catch (e) {
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return callback(e);
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}
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});
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};
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/**
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* Make a GET http request to endpoint.
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* @private
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* @param {String} endpoint - Path.
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* @param {Object} json - Querystring.
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* @param {Function} callback - Returns [Error, Object?].
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*/
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HTTPClient.prototype._get = function _get(endpoint, json, callback) {
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return this._request('get', endpoint, json, callback);
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};
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/**
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* Make a POST http request to endpoint.
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* @private
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* @param {String} endpoint - Path.
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* @param {Object} json - Body.
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* @param {Function} callback - Returns [Error, Object?].
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*/
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HTTPClient.prototype._post = function _post(endpoint, json, callback) {
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return this._request('post', endpoint, json, callback);
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};
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/**
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* Make a PUT http request to endpoint.
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* @private
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* @param {String} endpoint - Path.
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* @param {Object} json - Body.
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* @param {Function} callback - Returns [Error, Object?].
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*/
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HTTPClient.prototype._put = function _put(endpoint, json, callback) {
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return this._request('put', endpoint, json, callback);
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};
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/**
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* Make a DELETE http request to endpoint.
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* @private
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* @param {String} endpoint - Path.
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* @param {Object} json - Body.
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* @param {Function} callback - Returns [Error, Object?].
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*/
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HTTPClient.prototype._del = function _del(endpoint, json, callback) {
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return this._request('delete', endpoint, json, callback);
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};
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/**
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* Request the raw wallet JSON (will create wallet if it does not exist).
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* @private
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* @param {Object} options - See {@link Wallet}.
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* @param {Function} callback - Returns [Error, Object].
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*/
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HTTPClient.prototype._createWallet = function createWallet(options, callback) {
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return this._post('/wallet', options, callback);
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};
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/**
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* Get the raw wallet JSON.
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* @private
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* @param {WalletID} id
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* @param {Function} callback - Returns [Error, Object].
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*/
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HTTPClient.prototype._getWallet = function getWallet(id, callback) {
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return this._get('/wallet/' + id, callback);
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};
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/**
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* Get wallet and setup http provider (note that the
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* passphrase is _not_ sent over the wire).
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* @param {WalletID} id
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* @param {String?} passphrase
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* @param {Function} callback - Returns [Error, {@link Wallet}].
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*/
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HTTPClient.prototype.getWallet = function getWallet(id, passphrase, callback) {
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var self = this;
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var provider;
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return this._getWallet(id, function(err, json) {
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if (err)
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return callback(err);
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try {
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json = bcoin.wallet._fromJSON(json, passphrase);
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} catch (e) {
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return callback(e);
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}
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json.provider = new bcoin.http.provider(self.uri);
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return callback(null, new bcoin.wallet(json));
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});
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};
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/**
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* Get wallet and setup http provider (note that the
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* passphrase is _not_ sent over the wire).
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* @param {WalletID} id
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* @param {String?} passphrase
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* @param {Function} callback - Returns [Error, {@link Wallet}].
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*/
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HTTPClient.prototype.createWallet = function createWallet(options, callback) {
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var self = this;
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return this._createWallet(options, function(err, json) {
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if (err)
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return callback(err);
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try {
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json = bcoin.wallet._fromJSON(json, options.passphrase);
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} catch (e) {
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return callback(e);
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}
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json.provider = new bcoin.http.provider(self.uri);
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return callback(null, new bcoin.wallet(json));
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});
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};
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/**
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* Get wallet transaction history.
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* @param {WalletID} id
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* @param {Function} callback - Returns [Error, {@link TX}[]].
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*/
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HTTPClient.prototype.getWalletHistory = function getWalletHistory(id, callback) {
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return this._get('/wallet/' + id + '/tx/history', function(err, body) {
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if (err)
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return callback(err);
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if (!body)
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return callback(null, []);
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try {
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body = body.map(function(data) {
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return bcoin.tx.fromJSON(data);
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});
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} catch (e) {
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return callback(e);
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}
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return callback(null, body);
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});
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};
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/**
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* Get wallet coins.
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* @param {WalletID} id
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* @param {Function} callback - Returns [Error, {@link Coin}[]].
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*/
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HTTPClient.prototype.getWalletCoins = function getWalletCoins(id, callback) {
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return this._get('/wallet/' + id + '/coin', function(err, body) {
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if (err)
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return callback(err);
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if (!body)
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return callback(null, []);
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try {
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body = body.map(function(data) {
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return bcoin.coin.fromJSON(data);
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});
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} catch (e) {
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return callback(e);
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}
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return callback(null, body);
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});
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};
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/**
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* Get all unconfirmed transactions.
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* @param {WalletID} id
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* @param {Function} callback - Returns [Error, {@link TX}[]].
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*/
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HTTPClient.prototype.getWalletUnconfirmed = function getUnconfirmed(id, callback) {
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return this._get('/wallet/' + id + '/tx/unconfirmed', function(err, body) {
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if (err)
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return callback(err);
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if (!body)
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return callback(null, []);
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try {
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body = body.map(function(data) {
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return bcoin.tx.fromJSON(data);
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});
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} catch (e) {
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return callback(e);
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}
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return callback(null, body);
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});
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};
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/**
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* Calculate wallet balance.
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* @param {WalletID} id
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* @param {Function} callback - Returns [Error, {@link Balance}].
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*/
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HTTPClient.prototype.getWalletBalance = function getBalance(id, callback) {
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return this._get('/wallet/' + id + '/balance', function(err, body) {
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if (err)
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return callback(err);
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if (!body)
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return callback(new Error('Not found.'));
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return callback(null, {
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confirmed: utils.satoshi(body.confirmed),
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unconfirmed: utils.satoshi(body.unconfirmed),
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total: utils.satoshi(body.total)
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});
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});
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};
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/**
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* Get last N wallet transactions.
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* @param {WalletID} id
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* @param {Number} limit - Max number of transactions.
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* @param {Function} callback - Returns [Error, {@link TX}[]].
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*/
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HTTPClient.prototype.getWalletLast = function getWalletLast(id, limit, callback) {
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var options = { limit: limit };
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return this._get('/wallet/' + id + '/tx/last', options, function(err, body) {
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if (err)
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return callback(err);
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if (!body)
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return callback(null, []);
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try {
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body = body.map(function(data) {
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return bcoin.tx.fromJSON(data);
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});
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} catch (e) {
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return callback(e);
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}
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return callback(null, body);
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});
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};
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/**
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* Get wallet transactions by timestamp range.
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* @param {WalletID} id
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* @param {Object} options
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* @param {Number} options.start - Start height.
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* @param {Number} options.end - End height.
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* @param {Number?} options.limit - Max number of records.
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* @param {Boolean?} options.reverse - Reverse order.
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* @param {Function} callback - Returns [Error, {@link TX}[]].
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*/
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HTTPClient.prototype.getWalletRange = function getWalletRange(id, options, callback) {
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return this._get('/wallet/' + id + '/tx/range', options, function(err, body) {
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if (err)
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return callback(err);
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if (!body)
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return callback(null, []);
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try {
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body = body.map(function(data) {
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return bcoin.tx.fromJSON(data);
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});
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} catch (e) {
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return callback(e);
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}
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return callback(null, body);
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});
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};
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|
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/**
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* Get transaction (only possible if the transaction
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* is available in the wallet history).
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* @param {WalletID} id
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* @param {Hash} hash
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* @param {Function} callback - Returns [Error, {@link TX}[]].
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*/
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HTTPClient.prototype.getWalletTX = function getTX(id, hash, callback) {
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hash = utils.revHex(hash);
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return this._get('/wallet/' + id + '/tx/' + hash, function(err, body) {
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if (err)
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return callback(err);
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if (!body)
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return callback();
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try {
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body = bcoin.tx.fromJSON(body);
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} catch (e) {
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return callback(e);
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}
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return callback(null, body);
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});
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};
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|
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/**
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* Get unspent coin (only possible if the transaction
|
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* is available in the wallet history).
|
|
* @param {WalletID} id
|
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* @param {Hash} hash
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* @param {Number} index
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* @param {Function} callback - Returns [Error, {@link Coin}[]].
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*/
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HTTPClient.prototype.getWalletCoin = function getCoin(id, hash, index, callback) {
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var path;
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hash = utils.revHex(hash);
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path = '/wallet/' + id + '/coin/' + hash + '/' + index;
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return this._get(path, function(err, body) {
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if (err)
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return callback(err);
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if (!body)
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return callback();
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try {
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body = bcoin.coin.fromJSON(body);
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} catch (e) {
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return callback(e);
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}
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return callback(null, body);
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});
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};
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|
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/**
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* Sync wallet receive and change depth with the server.
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* @param {WalletID} id
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* @param {Object} options
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* @param {Number} options.receiveDepth
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* @param {Number} options.changeDepth
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* @param {Function} callback
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*/
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HTTPClient.prototype.syncWallet = function syncWallet(id, options, callback) {
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var body = {
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receiveDepth: options.receiveDepth,
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changeDepth: options.changeDepth
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};
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|
|
return this._put('/wallet/' + id, body, function(err) {
|
|
if (err)
|
|
return callback(err);
|
|
return callback();
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Get coins that pertain to an address from the mempool or chain database.
|
|
* Takes into account spent coins in the mempool.
|
|
* @param {Base58Address|Base58Address[]} addresses
|
|
* @param {Function} callback - Returns [Error, {@link Coin}[]].
|
|
*/
|
|
|
|
HTTPClient.prototype.getCoinsByAddress = function getCoinsByAddress(address, callback) {
|
|
var body = { addresses: address };
|
|
|
|
return this._post('/coin/address', body, function(err, body) {
|
|
if (err)
|
|
return callback(err);
|
|
|
|
if (!body)
|
|
return callback(null, []);
|
|
|
|
try {
|
|
body = body.map(function(data) {
|
|
return bcoin.coin.fromJSON(data);
|
|
});
|
|
} catch (e) {
|
|
return callback(e);
|
|
}
|
|
|
|
return callback(null, body);
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Retrieve a coin from the mempool or chain database.
|
|
* Takes into account spent coins in the mempool.
|
|
* @param {Hash} hash
|
|
* @param {Number} index
|
|
* @param {Function} callback - Returns [Error, {@link Coin}].
|
|
*/
|
|
|
|
HTTPClient.prototype.getCoin = function getCoin(hash, index, callback) {
|
|
hash = utils.revHex(hash);
|
|
|
|
return this._get('/coin/' + hash + '/' + index, function(err, body) {
|
|
if (err)
|
|
return callback(err);
|
|
|
|
if (!body)
|
|
return callback();
|
|
|
|
try {
|
|
body = bcoin.coin.fromJSON(body);
|
|
} catch (e) {
|
|
return callback(e);
|
|
}
|
|
|
|
return callback(null, body);
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Retrieve transactions pertaining to an
|
|
* address from the mempool or chain database.
|
|
* @param {Base58Address|Base58Address[]} addresses
|
|
* @param {Function} callback - Returns [Error, {@link TX}[]].
|
|
*/
|
|
|
|
HTTPClient.prototype.getTXByAddress = function getTXByAddress(address, callback) {
|
|
var body = { addresses: address };
|
|
|
|
return this._post('/tx/address', body, function(err, body) {
|
|
if (err)
|
|
return callback(err);
|
|
|
|
if (!body)
|
|
return callback(null, []);
|
|
|
|
try {
|
|
body = body.map(function(data) {
|
|
return bcoin.tx.fromJSON(data);
|
|
});
|
|
} catch (e) {
|
|
return callback(e);
|
|
}
|
|
|
|
return callback(null, body);
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Retrieve a transaction from the mempool or chain database.
|
|
* @param {Hash} hash
|
|
* @param {Function} callback - Returns [Error, {@link TX}].
|
|
*/
|
|
|
|
HTTPClient.prototype.getTX = function getTX(hash, callback) {
|
|
hash = utils.revHex(hash);
|
|
|
|
return this._get('/tx/' + hash, function(err, body) {
|
|
if (err)
|
|
return callback(err);
|
|
|
|
if (!body)
|
|
return callback();
|
|
|
|
try {
|
|
body = bcoin.tx.fromJSON(body);
|
|
} catch (e) {
|
|
return callback(e);
|
|
}
|
|
|
|
return callback(null, body);
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Retrieve a block from the chain database.
|
|
* @param {Hash} hash
|
|
* @param {Function} callback - Returns [Error, {@link Block}].
|
|
*/
|
|
|
|
HTTPClient.prototype.getBlock = function getBlock(hash, callback) {
|
|
if (typeof hash !== 'number')
|
|
hash = utils.revHex(hash);
|
|
|
|
return this._get('/block/' + hash, function(err, body) {
|
|
if (err)
|
|
return callback(err);
|
|
|
|
if (!body)
|
|
return callback();
|
|
|
|
try {
|
|
body = bcoin.block.fromJSON(body);
|
|
} catch (e) {
|
|
return callback(e);
|
|
}
|
|
|
|
return callback(null, body);
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Add a transaction to the mempool and broadcast it.
|
|
* @param {TX} tx
|
|
* @param {Function} callback
|
|
*/
|
|
|
|
HTTPClient.prototype.broadcast = function broadcast(tx, callback) {
|
|
var body = { tx: utils.toHex(tx.toRaw()) };
|
|
|
|
callback = utils.ensure(callback);
|
|
|
|
return this._post('/broadcast', body, function(err) {
|
|
if (err)
|
|
return callback(err);
|
|
return callback();
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Create a transaction, fill, sign, and broadcast.
|
|
* @param {WalletID} id
|
|
* @param {Object} options
|
|
* @param {Base58Address} options.address
|
|
* @param {BN} options.value
|
|
* @param {Function} callback - Returns [Error, {@link TX}].
|
|
*/
|
|
|
|
HTTPClient.prototype.walletSend = function walletSend(id, options, callback) {
|
|
var body = {
|
|
address: options.address,
|
|
value: utils.btc(options.value)
|
|
};
|
|
|
|
callback = utils.ensure(callback);
|
|
|
|
return this._post('/wallet/' + id + '/send', body, function(err, body) {
|
|
if (err)
|
|
return callback(err);
|
|
|
|
try {
|
|
body = bcoin.tx.fromJSON(body);
|
|
} catch (e) {
|
|
return callback(e);
|
|
}
|
|
|
|
return callback(null, body);
|
|
});
|
|
};
|
|
|
|
/**
|
|
* @param {WalletID} id
|
|
* @param {Number} now - Current time.
|
|
* @param {Number} age - Age delta (delete transactions older than `now - age`).
|
|
* @param {Function} callback
|
|
*/
|
|
|
|
HTTPClient.prototype.zapWallet = function zapWallet(id, now, age, callback) {
|
|
var body = {
|
|
now: now,
|
|
age: age
|
|
};
|
|
|
|
assert(utils.isFinite(now));
|
|
assert(utils.isFinite(age));
|
|
assert(now >= age);
|
|
|
|
callback = utils.ensure(callback);
|
|
|
|
return this._post('/wallet/' + id + '/zap', body, function(err) {
|
|
if (err)
|
|
return callback(err);
|
|
return callback();
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Add a public account/purpose key to the wallet for multisig.
|
|
* @param {WalletID} id
|
|
* @param {HDPublicKey[]|Base58String[]} keys - Account (bip44) or
|
|
* Purpose (bip45) key (can be in base58 form).
|
|
* @param {Function} callback
|
|
*/
|
|
|
|
HTTPClient.prototype.addKey = function addKey(id, keys, callback) {
|
|
if (!Array.isArray(keys))
|
|
keys = [keys];
|
|
|
|
keys = keys.map(function(key) {
|
|
return key || key.xpubkey;
|
|
});
|
|
|
|
callback = utils.ensure(callback);
|
|
|
|
return this._put('/wallet/' + id + '/key', keys, function(err) {
|
|
if (err)
|
|
return callback(err);
|
|
return callback();
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Remove a public account/purpose key to the wallet for multisig.
|
|
* @param {WalletID} id
|
|
* @param {HDPublicKey[]|Base58String[]} keys - Account (bip44) or Purpose
|
|
* (bip45) key (can be in base58 form).
|
|
* @param {Function} callback
|
|
*/
|
|
|
|
HTTPClient.prototype.removeKey = function removeKey(id, keys, callback) {
|
|
if (!Array.isArray(keys))
|
|
keys = [keys];
|
|
|
|
keys = keys.map(function(key) {
|
|
return key || key.xpubkey;
|
|
});
|
|
|
|
callback = utils.ensure(callback);
|
|
|
|
return this._del('/wallet/' + id + '/key', keys, function(err) {
|
|
if (err)
|
|
return callback(err);
|
|
return callback();
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Get a mempool snapshot.
|
|
* @param {Function} callback - Returns [Error, {@link TX}[]].
|
|
*/
|
|
|
|
HTTPClient.prototype.getMempool = function getMempool(callback) {
|
|
return this._get('/mempool', function(err, body) {
|
|
if (err)
|
|
return callback(err);
|
|
|
|
if (!body)
|
|
return callback(null, []);
|
|
|
|
try {
|
|
body = body.map(function(data) {
|
|
return bcoin.tx.fromJSON(data);
|
|
});
|
|
} catch (e) {
|
|
return callback(e);
|
|
}
|
|
|
|
return callback(null, body);
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Get some info about the server (network and version).
|
|
* @param {Function} callback - Returns [Error, Object].
|
|
*/
|
|
|
|
HTTPClient.prototype.getInfo = function getInfo(callback) {
|
|
return this._get('/', function(err, body) {
|
|
if (err)
|
|
return callback(err);
|
|
|
|
if (!body)
|
|
return callback(new Error('Info not available.'));
|
|
|
|
return callback(null, body);
|
|
});
|
|
};
|
|
|
|
return HTTPClient;
|
|
};
|