737 lines
16 KiB
JavaScript
737 lines
16 KiB
JavaScript
/**
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* bitcoind.js
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* Copyright (c) 2014, BitPay (MIT License)
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* A bitcoind node.js binding.
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*/
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var net = require('net');
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var EventEmitter = require('events').EventEmitter;
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var bitcoindjs = require('../build/Release/bitcoindjs.node');
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var util = require('util');
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/**
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* Bitcoin
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*/
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var bitcoin = Bitcoin;
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function Bitcoin(options) {
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var self = this;
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if (Bitcoin.global) {
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throw new Error('bitcoindjs cannot be instantiated more than once.');
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}
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if (!(this instanceof Bitcoin)) {
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return new Bitcoin(options);
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}
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EventEmitter.call(this);
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this.options = options;
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this.wallet = Wallet;
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Bitcoin.global = this;
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Object.keys(exports).forEach(function(key) {
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self[key] = exports[key];
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});
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this.on('newListener', function(name) {
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if (name === 'open') {
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self.start();
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}
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});
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}
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Bitcoin.prototype.__proto__ = EventEmitter.prototype;
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// Make sure signal handlers are not overwritten
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Bitcoin._signalQueue = [];
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Bitcoin._processOn = process.on;
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process.addListener =
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process.on = function(name, listener) {
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if (~['SIGINT', 'SIGHUP', 'SIGQUIT'].indexOf(name.toUpperCase())) {
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if (!Bitcoin.global || !Bitcoin.global._started) {
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Bitcoin._signalQueue.push([name, listener]);
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return;
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}
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}
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return Bitcoin._processOn.apply(this, arguments);
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};
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Bitcoin.prototype.start = function(options, callback) {
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var self = this;
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if (!callback) {
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callback = options;
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options = {};
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}
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if (!callback) {
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callback = utils.NOOP;
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}
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if (this._startCalled) return;
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this._startCalled = true;
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var none = {};
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var isSignal = {};
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var sigint = { name: 'SIGINT', signal: isSignal };
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var sighup = { name: 'SIGHUP', signal: isSignal };
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var sigquit = { name: 'SIGQUIT', signal: isSignal };
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var exitCaught = none;
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var errorCaught = none;
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this.log_pipe = bitcoindjs.start(options, function(err, status) {
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self._started = true;
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[sigint, sighup, sigquit].forEach(function(signal) {
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process.on(signal.name, signal.listener = function() {
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if (process.listeners(signal.name).length > 1) {
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return;
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}
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if (!self._shutdown) {
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process.exit(0);
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} else {
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self.stop();
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exitCaught = signal;
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}
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});
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});
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// Finally set signal handlers
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process.on = process.addListener = Bitcoin._processOn;
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Bitcoin._signalQueue.forEach(function(event) {
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process.on(event[0], event[1]);
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});
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var exit = process.exit;
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self._exit = function() {
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return exit.apply(process, arguments);
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};
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process.exit = function(code) {
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exitCaught = code || 0;
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if (!self._shutdown) {
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return self._exit(code);
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}
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self.stop();
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};
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process.on('uncaughtException', function(err) {
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if (process.listeners('uncaughtException').length > 1) {
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return;
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}
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errorCaught = err;
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self.error('Uncaught error: shutting down safely before throwing...');
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if (!self._shutdown) {
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if (err && err.stack) {
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console.error(err.stack);
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}
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self._exit(1);
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return;
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}
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self.stop();
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});
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if (callback) {
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callback(err);
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callback = null;
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}
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if (err) {
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self.emit('error', err);
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} else {
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self.emit('open', status);
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}
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});
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// bitcoind's boost threads aren't in the thread pool
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// or on node's event loop, so we need to keep node open.
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this._shutdown = setInterval(function() {
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if (!self._stoppingSaid && bitcoindjs.stopping()) {
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self._stoppingSaid = true;
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self.log('shutting down...');
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}
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if (bitcoindjs.stopped()) {
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self.log('shut down.');
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clearInterval(self._shutdown);
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delete self._shutdown;
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if (exitCaught !== none) {
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if (exitCaught.signal === isSignal) {
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process.removeListener(exitCaught.name, exitCaught.listener);
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setImmediate(function() {
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process.kill(process.pid, exitCaught.name);
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});
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return;
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}
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return self._exit(exitCaught);
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}
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if (errorCaught !== none) {
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if (errorCaught && errorCaught.stack) {
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console.error(errorCaught.stack);
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}
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return self._exit(0);
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}
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}
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}, 1000);
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this.pollInterval = 300;
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this._emitted = {};
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this.on('newListener', function(name) {
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if (name === 'block') {
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self._pollBlocks();
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return;
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}
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if (name === 'tx') {
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self._pollBlocks();
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self._pollMempool();
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return;
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}
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if (name === 'mptx') {
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self._pollMempool();
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return;
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}
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});
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if (this.log_pipe !== -1) {
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this.log('log pipe opened: %d', this.log_pipe);
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this._pipe = new net.Socket(this.log_pipe);
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this._pipe.on('data', function(data) {
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return process.stdout.write('bitcoind.js: ' + data + '\n');
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});
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this._pipe.on('error', function(err) {
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; // ignore for now
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});
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this._pipe.resume();
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}
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};
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Bitcoin.prototype._pollBlocks = function() {
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var self = this;
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if (this._pollingBlocks) return;
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this._pollingBlocks = true;
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(function next() {
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return bitcoindjs.pollBlocks(function(err, blocks) {
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if (err) {
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if (self.debug) {
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console.log('poll error:');
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console.log(err.message);
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}
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return setTimeout(next, self.pollInterval);
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}
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return utils.forEach(blocks, function(block, nextBlock) {
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block = bitcoin.block(block);
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// XXX Bad workaround
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if (self._emitted[block.hash]) {
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return setImmediate(function() {
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return nextBlock();
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});
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}
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self._emitted[block.hash] = true;
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self.emit('block', block);
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if (!self._pollingTxs) {
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return setImmediate(function() {
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return nextBlock();
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});
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}
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return utils.forEach(block.tx, function(tx, nextTx) {
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tx = bitcoin.tx(tx);
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self.emit('tx', tx);
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return setImmediate(function() {
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return nextTx();
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});
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}, function() {
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return setImmediate(function() {
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return nextBlock();
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});
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});
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}, function() {
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if (self.debug) {
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console.log('emission finished');
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}
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return setTimeout(next, self.pollInterval);
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});
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});
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})();
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};
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Bitcoin.prototype._pollMempool = function() {
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var self = this;
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if (this._pollingTxs) return;
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this._pollingTxs = true;
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(function next() {
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return bitcoindjs.pollMempool(function(err, txs) {
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if (err) return setTimeout(next, self.pollInterval);
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return utils.forEach(txs, function(tx, nextTx) {
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tx = bitcoin.tx(tx);
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// XXX Bad workaround
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if (self._emitted[tx.txid]) {
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return setImmediate(function() {
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return nextTx();
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});
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}
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self._emitted[tx.txid] = true;
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self.emit('mptx', tx);
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self.emit('tx', tx);
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return setImmediate(function() {
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return nextTx();
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});
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}, function() {
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return setTimeout(next, self.pollInterval);
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});
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});
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})();
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};
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Bitcoin.prototype.getBlock = function(blockHash, callback) {
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return bitcoindjs.getBlock(blockHash, function(err, block) {
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if (err) return callback(err);
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return callback(null, bitcoin.block(block));
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});
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};
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Bitcoin.prototype.getTx = function(txHash, blockHash, callback) {
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if (!callback) {
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callback = blockHash;
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blockHash = '';
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}
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return bitcoindjs.getTx(txHash, blockHash, function(err, tx) {
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if (err) return callback(err);
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return callback(null, bitcoin.tx(tx));
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});
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};
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Bitcoin.prototype.log =
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Bitcoin.prototype.info = function() {
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if (typeof arguments[0] !== 'string') {
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var out = util.inspect(arguments[0], null, 20, true);
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return process.stdout.write('bitcoind.js: ' + out + '\n');
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}
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var out = util.format.apply(util, arguments);
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return process.stdout.write('bitcoind.js: ' + out + '\n');
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};
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Bitcoin.prototype.error = function() {
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if (typeof arguments[0] !== 'string') {
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var out = util.inspect(arguments[0], null, 20, true);
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return process.stderr.write('bitcoind.js: ' + out + '\n');
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}
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var out = util.format.apply(util, arguments);
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return process.stderr.write('bitcoind.js: ' + out + '\n');
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};
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Bitcoin.prototype.stop =
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Bitcoin.prototype.close = function(callback) {
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var self = this;
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return bitcoindjs.stop(function(err, status) {
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if (err) {
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self.error(err.message);
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} else {
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self.log(status);
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}
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if (!callback) return;
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return callback(err, status);
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});
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};
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/**
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* Block
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*/
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function Block(data) {
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if (!(this instanceof Block)) {
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return new Block(data);
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}
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if (data instanceof Block) {
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return data;
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}
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var self = this;
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Object.keys(data).forEach(function(key) {
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if (!self[key]) {
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self[key] = data[key];
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}
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});
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this.tx = this.tx.map(function(tx) {
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return bitcoin.tx(tx);
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});
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if (!this.hex) {
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this.hex = this.toHex();
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}
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}
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Object.defineProperty(Block.prototype, '_blockFlag', {
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__proto__: null,
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configurable: false,
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enumerable: false,
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writable: false,
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value: {}
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});
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Block.isBlock = function(block) {
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return block._blockFlag === Block.prototype._blockFlag;
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};
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Block.fromHex = function(hex) {
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return bitcoin.block(bitcoindjs.blockFromHex(hex));
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};
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Block.prototype.getHash = function(enc) {
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var data = bitcoindjs.getBlockHex(this);
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if (!this.hash || this.hash !== data.hash) {
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this.hash = data.hash;
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}
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if (enc === 'hex') return data.hash;
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var buf = new Buffer(data.hash, 'hex');
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var out = enc ? buf.toString(enc) : buf;
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return out;
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};
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Block.prototype.verify = function() {
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return this.verified = this.verified || bitcoindjs.verifyBlock(this);
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};
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Block.prototype.toHex = function() {
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var hex = Block.toHex(this);
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if (!this.hex || this.hex !== hex) {
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this.hex = hex;
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}
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return hex;
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};
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Block.toHex = function(block) {
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var data = bitcoindjs.getBlockHex(block);
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return data.hex;
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};
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Block.prototype.toBinary = function() {
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return Block.toBinary(this);
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};
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Block.toBinary = function(block) {
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var data = bitcoindjs.getBlockHex(block);
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return new Buffer(data.hex, 'hex');
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};
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/**
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* Transaction
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*/
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function Transaction(data) {
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if (!(this instanceof Transaction)) {
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return new Transaction(data);
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}
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if (data instanceof Transaction) {
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return data;
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}
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var self = this;
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Object.keys(data).forEach(function(key) {
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if (!self[key]) {
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self[key] = data[key];
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}
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});
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if (!this.hex) {
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this.hex = this.toHex();
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}
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}
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Object.defineProperty(Transaction.prototype, '_txFlag', {
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__proto__: null,
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configurable: false,
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enumerable: false,
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writable: false,
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value: {}
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});
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Transaction.isTransaction =
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Transaction.isTx = function(tx) {
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return tx._txFlag === Transaction.prototype._txFlag;
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};
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Transaction.fromHex = function(hex) {
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return bitcoin.tx(bitcoindjs.txFromHex(hex));
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};
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Transaction.prototype.verify = function() {
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return this.verified = this.verified || bitcoindjs.verifyTransaction(this);
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};
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Transaction.prototype.sign =
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Transaction.prototype.fill = function(options) {
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return Transaction.fill(this, options);
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};
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Transaction.sign =
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Transaction.fill = function(tx, options) {
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var isTx = bitcoin.tx.isTx(tx)
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, newTx;
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if (!isTx) {
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tx = bitcoin.tx(tx);
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}
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try {
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newTx = bitcoindjs.fillTransaction(tx, options || {});
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} catch (e) {
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return false;
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}
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Object.keys(newTx).forEach(function(key) {
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tx[key] = newTx[key];
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});
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return isTx ? true : tx;
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};
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Transaction.prototype.getHash = function(enc) {
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var data = bitcoindjs.getTxHex(this);
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if (!this.txid || this.txid !== data.hash) {
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this.txid = data.hash;
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}
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if (enc === 'hex') return data.hash;
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var buf = new Buffer(data.hash, 'hex');
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var out = enc ? buf.toString(enc) : buf;
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return out;
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};
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Transaction.prototype.isCoinbase = function() {
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return this.vin.length === 1 && this.vin[0].coinbase;
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};
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Transaction.prototype.toHex = function() {
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var hex = Transaction.toHex(this);
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if (!this.hex || hex !== this.hex) {
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this.hex = hex;
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}
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return hex;
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};
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Transaction.toHex = function(tx) {
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var data = bitcoindjs.getTxHex(tx);
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return data.hex;
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};
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Transaction.prototype.toBinary = function() {
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return Transaction.toBinary(this);
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};
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Transaction.toBinary = function(tx) {
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var data = bitcoindjs.getTxHex(tx);
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return new Buffer(data.hex, 'hex');
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};
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Transaction.broadcast = function(tx, options, callback) {
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if (typeof tx === 'string') {
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tx = { hex: tx };
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}
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if (!callback) {
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callback = options;
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options = null;
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}
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if (!options) {
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options = {};
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}
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var fee = options.overrideFees = options.overrideFees || false;
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var own = options.ownOnly = options.ownOnly || false;
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if (!callback) {
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callback = utils.NOOP;
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}
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if (!bitcoin.isTx(tx)) {
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tx = bitcoin.tx(tx);
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}
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return bitcoindjs.broadcastTx(tx, fee, own, function(err, hash, tx) {
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if (err) {
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if (callback === utils.NOOP) {
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bitcoin.global.emit('error', err);
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}
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return callback(err);
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}
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tx = bitcoin.tx(tx);
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bitcoin.global.emit('broadcast', tx);
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return callback(null, hash, tx);
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});
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};
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Transaction.prototype.broadcast = function(options, callback) {
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if (!callback) {
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callback = options;
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options = null;
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}
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return Transaction.broadcast(this, options, callback);
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};
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/**
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* Wallet
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* Singleton
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*/
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function Wallet() {
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var obj = function() {
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return obj;
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};
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Object.keys(Wallet.prototype).forEach(function(key) {
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obj[key] = Wallet.prototype[key];
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});
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return obj;
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}
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Wallet.prototype.createAddress = function(options) {
|
|
return bitcoindjs.walletNewAddress(options || {});
|
|
};
|
|
|
|
Wallet.prototype.getAccountAddress = function(options) {
|
|
return bitcoindjs.walletGetAccountAddress(options || {});
|
|
};
|
|
|
|
Wallet.prototype.setAccount = function(options) {
|
|
return bitcoindjs.walletSetAccount(options || {});
|
|
};
|
|
|
|
Wallet.prototype.getAccount = function(options) {
|
|
return bitcoindjs.walletGetAccount(options || {});
|
|
};
|
|
|
|
Wallet.prototype.sendTo = function(options) {
|
|
return bitcoindjs.walletSendTo(options || {});
|
|
};
|
|
|
|
Wallet.prototype.signMessage = function(options) {
|
|
return bitcoindjs.walletSignMessage(options || {});
|
|
};
|
|
|
|
Wallet.prototype.verifyMessage = function(options) {
|
|
return bitcoindjs.walletVerifyMessage(options || {});
|
|
};
|
|
|
|
Wallet.prototype.createMultiSigAddress = function(options) {
|
|
return bitcoindjs.walletCreateMultiSigAddress(options || {});
|
|
};
|
|
|
|
Wallet.prototype.getBalance = function(options) {
|
|
return bitcoindjs.walletGetBalance(options || {});
|
|
};
|
|
|
|
Wallet.prototype.getUnconfirmedBalance = function(options) {
|
|
return bitcoindjs.walletGetUnconfirmedBalance(options || {});
|
|
};
|
|
|
|
Wallet.prototype.sendFrom = function(options) {
|
|
return bitcoindjs.walletSendFrom(options || {});
|
|
};
|
|
|
|
Wallet.prototype.listTransactions = function(options) {
|
|
return bitcoindjs.walletListTransactions(options || {});
|
|
};
|
|
|
|
Wallet.prototype.listAccounts = function(options) {
|
|
return bitcoindjs.walletListAccounts(options || {});
|
|
};
|
|
|
|
Wallet.prototype.getTransaction = function(options) {
|
|
return bitcoindjs.walletGetTransaction(options || {});
|
|
};
|
|
|
|
Wallet.prototype.backup = function(options) {
|
|
return bitcoindjs.walletBackup(options || {});
|
|
};
|
|
|
|
Wallet.prototype.decrypt =
|
|
Wallet.prototype.passphrase = function(options) {
|
|
return bitcoindjs.walletPassphrase(options || {});
|
|
};
|
|
|
|
Wallet.prototype.passphraseChange = function(options) {
|
|
return bitcoindjs.walletPassphraseChange(options || {});
|
|
};
|
|
|
|
Wallet.prototype.forgetPassphrase =
|
|
Wallet.prototype.lock = function(options) {
|
|
return bitcoindjs.walletLock(options || {});
|
|
};
|
|
|
|
Wallet.prototype.encrypt = function(options) {
|
|
return bitcoindjs.walletEncrypt(options || {});
|
|
};
|
|
|
|
Wallet.prototype.setTxFee = function(options) {
|
|
return bitcoindjs.walletSetTxFee(options || {});
|
|
};
|
|
|
|
Wallet.prototype.importKey = function(options) {
|
|
return bitcoindjs.walletImportKey(options || {});
|
|
};
|
|
|
|
Wallet = new Wallet;
|
|
|
|
/**
|
|
* Utils
|
|
*/
|
|
|
|
var utils = {};
|
|
|
|
utils.forEach = function(obj, iter, done) {
|
|
var pending = obj.length;
|
|
if (!pending) return done();
|
|
var next = function() {
|
|
if (!--pending) done();
|
|
};
|
|
obj.forEach(function(item) {
|
|
iter(item, next);
|
|
});
|
|
};
|
|
|
|
utils.NOOP = function() {};
|
|
|
|
/**
|
|
* Expose
|
|
*/
|
|
|
|
module.exports = exports = bitcoin;
|
|
|
|
exports.Bitcoin = bitcoin;
|
|
exports.bitcoin = bitcoin;
|
|
exports.bitcoind = bitcoin;
|
|
|
|
exports.native = bitcoindjs;
|
|
exports.bitcoindjs = bitcoindjs;
|
|
|
|
exports.Block = Block;
|
|
exports.block = Block;
|
|
|
|
exports.Transaction = Transaction;
|
|
exports.transaction = Transaction;
|
|
exports.tx = Transaction;
|
|
|
|
exports.Wallet = Wallet;
|
|
exports.wallet = Wallet;
|
|
|
|
exports.utils = utils;
|