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bitcore-lib-zcash
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Merge remote-tracking branch 'maraoz/refactor/PeerManager' 

Conflicts:
	Connection.js
	PeerManager.js
This commit is contained in:
Ryan X. Charles 2014-04-17 15:15:24 -03:00
parent 026ebe38aa fc1dcbd9d0
commit 2f6c5ac181
6 changed files with 236 additions and 191 deletions
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36
Connection.js
View File

@ -1,19 +1,18 @@
var imports = require('soop').imports();
var config = imports.config || require('./config');
var log = imports.log || require('./util/log');
var network = imports.network || require('./networks')[config.network];
var MAX_RECEIVE_BUFFER = 10000000;
var PROTOCOL_VERSION = 70000;
var Binary = imports.Binary || require('binary');
var Put = imports.Put || require('bufferput');
var Buffers = imports.Buffers || require('buffers');
require('./Buffers.monkey').patch(Buffers);
var Block = require('./Block');
var Transaction = require('./Transaction');
var bitcoreDefaults = imports.config || require('./config');
var networks = imports.networks || require('./networks');
var Block = imports.Block || require('./Block');
var Transaction = imports.Transaction || require('./Transaction');
var util = imports.util || require('./util/util');
var Parser = imports.Parser || require('./util/BinaryParser');
var buffertools = imports.buffertools || require('buffertools');
@ -25,15 +24,16 @@ var BIP0031_VERSION = 60000;
function Connection(socket, peer, opts) {
Connection.super(this, arguments);
this.options = opts || {};
this.config = opts || bitcoreDefaults;
this.network = networks[this.config.network] || networks.livenet;
this.socket = socket;
this.peer = peer;
// check for socks5 proxy options and construct a proxied socket
if (this.options.proxy) {
var Socks5Client = imports.Socks5Client || require('socks5-client');
this.socket = new Socks5Client(opts.proxy.host, opts.proxy.port);
this.socket = new Socks5Client(config.proxy.host, config.proxy.port);
}
// A connection is considered "active" once we have received verack
@ -146,7 +146,7 @@ Connection.prototype.handleMessage = function(message) {
this.recvVer = Math.min(message.version, PROTOCOL_VERSION);
} else {
// We won't start expecting a checksum until after we've received
// the "verack" message.
// the 'verack' message.
this.once('verack', (function () {
this.recvVer = message.version;
}).bind(this));
@ -160,7 +160,7 @@ Connection.prototype.handleMessage = function(message) {
break;
case 'ping':
if ("object" === typeof message.nonce) {
if ('object' === typeof message.nonce) {
this.sendPong(message.nonce);
}
break;
@ -300,7 +300,7 @@ Connection.prototype.sendBlock = function (block, txs) {
Connection.prototype.sendMessage = function (command, payload) {
try {
var magic = network.magic;
var magic = this.network.magic;
var commandBuf = new Buffer(command, 'ascii');
if (commandBuf.length > 12) throw 'Command name too long';
@ -323,13 +323,13 @@ Connection.prototype.sendMessage = function (command, payload) {
var buffer = message.buffer();
log.debug('['+this.peer+'] '+
"Sending message "+command+" ("+payload.length+" bytes)");
'Sending message '+command+' ('+payload.length+' bytes)');
this.socket.write(buffer);
} catch (err) {
// TODO: We should catch this error one level higher in order to better
// determine how to react to it. For now though, ignoring it will do.
log.err("Error while sending message to peer "+this.peer+": "+
log.err('Error while sending message to peer '+this.peer+': '+
(err.stack ? err.stack : err.toString()));
}
};
@ -338,7 +338,7 @@ Connection.prototype.handleData = function (data) {
this.buffers.push(data);
if (this.buffers.length > MAX_RECEIVE_BUFFER) {
log.err("Peer "+this.peer+" exceeded maxreceivebuffer, disconnecting."+
log.err('Peer '+this.peer+' exceeded maxreceivebuffer, disconnecting.'+
(err.stack ? err.stack : err.toString()));
this.socket.destroy();
return;
@ -351,7 +351,7 @@ Connection.prototype.processData = function () {
// If there are less than 20 bytes there can't be a message yet.
if (this.buffers.length < 20) return;
var magic = network.magic;
var magic = this.network.magic;
var i = 0;
for (;;) {
if (this.buffers.get(i ) === magic[0] &&
@ -386,13 +386,13 @@ Connection.prototype.processData = function () {
if (this.buffers.length < endPos) return;
var command = this.buffers.slice(4, 16).toString('ascii').replace(/\0+$/,"");
var command = this.buffers.slice(4, 16).toString('ascii').replace(/\0+$/,'');
var payload = this.buffers.slice(startPos, endPos);
var checksum = (this.recvVer >= 209) ? this.buffers.slice(20, 24) : null;
log.debug('['+this.peer+'] ' +
"Received message " + command +
" (" + payloadLen + " bytes)");
'Received message ' + command +
' (' + payloadLen + ' bytes)');
if (checksum !== null) {
var checksumConfirm = doubleSha256(payload).slice(0, 4);

23
PeerManager.js
View File

@ -1,21 +1,18 @@
var imports = require('soop').imports();
var config = imports.config || require('./config');
var log = imports.log || require('./util/log');
var network = imports.network || require('./networks')[config.network];
var imports = require('soop').imports();
var log = imports.log || require('./util/log');
var bitcoreDefaults = imports.config || require('./config');
var Connection = imports.Connection || require ('./Connection');
var Connection = imports.Connection ||
require('soop').load('./Connection', {config: config, network: network}) ||
require ('./Connection');
var Peer = imports.Peer || require('./Peer');
var Peer = imports.Peer || require('./Peer');
GetAdjustedTime = imports.GetAdjustedTime || function () {
// TODO: Implement actual adjustment
return Math.floor(new Date().getTime() / 1000);
};
function PeerManager() {
function PeerManager(config) {
this.config = config || bitcoreDefaults;
this.active = false;
this.timer = null;
@ -28,7 +25,7 @@ function PeerManager() {
this.interval = 5000;
this.minConnections = 8;
this.minKnownPeers = 10;
};
}
PeerManager.parent = imports.parent || require('events').EventEmitter;
PeerManager.Connection = Connection;
@ -95,8 +92,8 @@ PeerManager.prototype.connectTo = function(peer) {
}
};
PeerManager.prototype.addConnection = function(socketConn, peer, opts) {
var conn = new Connection(socketConn, peer, opts);
PeerManager.prototype.addConnection = function(socketConn, peer) {
var conn = new Connection(socketConn, peer, this.config);
this.connections.push(conn);
this.emit('connection', conn);

219
README.md
View File

@ -62,42 +62,43 @@ addrs.forEach(function(addr) {
For this example you need a running bitcoind instance with RPC enabled.
```js
var bitcore = require('bitcore');
var networks = bitcore.networks;
var Peer = bitcore.Peer;
var PeerManager = require('soop').load('../PeerManager', {
network: networks.testnet
});
var bitcore = require('../bitcore');
var Peer = bitcore.Peer;
var PeerManager = bitcore.PeerManager;
var handleBlock = function(info) {
console.log('** Block Received **');
console.log(info.message);
};
var handleBlock = function(info) {
console.log('** Block Received **');
console.log(info.message);
};
var handleTx = function(info) {
var tx = info.message.tx.getStandardizedObject();
console.log('** TX Received **');
console.log(tx);
};
var handleTx = function(info) {
var tx = info.message.tx.getStandardizedObject();
var handleInv = function(info) {
console.log('** Inv **');
console.log(info.message);
var invs = info.message.invs;
info.conn.sendGetData(invs);
};
console.log('** TX Received **');
console.log(tx);
};
var peerman = new PeerManager();
var handleInv = function(info) {
console.log('** Inv **');
console.log(info.message);
peerman.addPeer(new Peer('127.0.0.1', 18333));
var invs = info.message.invs;
info.conn.sendGetData(invs);
};
peerman.on('connection', function(conn) {
conn.on('inv', handleInv);
conn.on('block', handleBlock);
conn.on('tx', handleTx);
});
var peerman = new PeerManager({
network: 'testnet'
});
peerman.start();
peerman.addPeer(new Peer('127.0.0.1', 18333));
peerman.on('connection', function(conn) {
conn.on('inv', handleInv);
conn.on('block', handleBlock);
conn.on('tx', handleTx);
});
peerman.start();
```
PeerManager will emit the following events: 'version', 'verack', 'addr', 'getaddr', 'error' 'disconnect'; and will relay events like: 'tx', 'block', 'inv'. Please see [PeerManager.js](PeerManager.js), [Peer.js](Peer.js) and [Connection.js](Connection.js)
@ -140,83 +141,101 @@ by the transaction size. Documentation on the parameters of `TransactionBuilder`
can be found on the source file.
```js
var bitcore = require('bitcore');
var networks = bitcore.networks;
var Peer = bitcore.Peer;
var TransactionBuilder = bitcore.TransactionBuilder;
var PeerManager = require('soop').load('../PeerManager', {
network: networks.testnet
});
var bitcore = require('bitcore');
var Peer = bitcore.Peer;
var TransactionBuilder = bitcore.TransactionBuilder;
var PeerManager = bitcore.PeerManager;
// Unspent transactions can be found via the insight.bitcore.io or blockchain.info APIs
var unspent = [
{
"address": "n4g2TFaQo8UgedwpkYdcQFF6xE2Ei9Czvy",
"txid": "2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc1",
"scriptPubKey": "76a914fe021bac469a5c49915b2a8ffa7390a9ce5580f988ac",
"vout": 1,
"amount": 1.0101,
"confirmations":7
},
{
"address": "mhNCT9TwZAGF1tLPpZdqfkTmtBkY282YDW",
"txid": "2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc2",
"scriptPubKey": "76a9141448534cb1a1ec44665b0eb2326e570814afe3f188ac",
"vout": 0,
"confirmations": 1,
"amount": 10
}
];
// Unspent transactions can be found via the insight.bitcore.io or blockchain.info APIs
var unspent = [{
'txid': '707108b5ba4f78dc951df4647a03365bf36432ea57fb641676045c5044daaea7',
'vout': 0,
'address': 'n3QDC7DzsMmN4mcyp3k7XGPX7zFXXHG387',
'scriptPubKey': '76a914f00c4a92ee2314ab08ac0283dc8d07d9bf2be32388ac',
'amount': 0.12345600,
'confirmations': 43537
}, {
'txid': '87a158d32833cb555aea27b6a21af569ccaeb8f9b19691e05f1e6c2b3440bdb3',
'vout': 1,
'address': 'mxdrp9s4mVxS9X4RBYiLe99v59V81XA5C3',
'scriptPubKey': '76a914bbc87986da6b17c7876db4efacf59a95e14f6cf588ac',
'amount': 0.05749800,
'confirmations': 43536
}
// Private keys in WIF format (see TransactionBuilder.js for other options)
var keys = [
"cSq7yo4fvsbMyWVN945VUGUWMaSazZPWqBVJZyoGsHmNq6W4HVBV",
"cPa87VgwZfowGZYaEenoQeJgRfKW6PhZ1R65EHTkN1K19cSvc92G",
"cPQ9DSbBRLva9av5nqeF5AGrh3dsdW8p2E5jS4P8bDWZAoQTeeKB"
];
];
var peerman = new PeerManager();
peerman.addPeer(new Peer('127.0.0.1', 18333));
// Private keys in WIF format (see TransactionBuilder.js for other options)
var keys = [
'cQA75LXhV5JkMT8wkkqjR87SnHK4doh3c21p7PAd5tp8tc1tRBAY',
'cRz85dz9AiDieRpEwoucfXXQa1jdHHghcv6YnnVVGZ3MQyR1X4u2',
'cSq7yo4fvsbMyWVN945VUGUWMaSazZPWqBVJZyoGsHmNq6W4HVBV',
'cPa87VgwZfowGZYaEenoQeJgRfKW6PhZ1R65EHTkN1K19cSvc92G',
'cPQ9DSbBRLva9av5nqeF5AGrh3dsdW8p2E5jS4P8bDWZAoQTeeKB'
];
peerman.on('connect', function() {
var conn = peerman.getActiveConnection();
if (conn) {
var outs = [{address: toAddress, amount: amt}];
var opts = {remainderOut: {address: changeAddressString}};
var TransactionBuilder = bitcore.TransactionBuilder;
var tx = new TransactionBuilder(opts)
.setUnspent(unspent)
.setOutputs(outs)
.sign(keys)
.build();
/* Create and signing can be done in multiple steps:
*
* var builder = new bitcore.TransactionBuilder(opts)
* .setUnspent(utxos)
* .setOutputs(outs);
*
* // Sign with the first key
* builder.sign(key1);
* var tx = builder.build(); // Partially signed transaction
*
* // Sign with the second key
* builder.sign(key2);
* if (builder.isFullySigned()){
* var tx = builder.build();
* }
*
* var selectedUnspent = build.getSelectedUnspent(); // Retrieve selected unspent outputs from the transaction
*/
conn.sendTx(tx.serialize().toString('hex'));
}
conn.on('reject', function() {
console.log('Transaction Rejected');
var peerman = new PeerManager({
network: 'testnet'
});
});
peerman.addPeer(new Peer('127.0.0.1', 18333));
peerman.start();
peerman.on('connect', function() {
var conn = peerman.getActiveConnection();
if (conn) {
// define transaction output
var outs = [{
address: 'mhNCT9TwZAGF1tLPpZdqfkTmtBkY282YDW',
amount: 0.1337
}];
// set change address
var opts = {
remainderOut: {
address: 'n4g2TFaQo8UgedwpkYdcQFF6xE2Ei9Czvy'
}
};
var tx = new TransactionBuilder(opts)
.setUnspent(unspent)
.setOutputs(outs)
.sign(keys)
.build();
/* Create and signing can be done in multiple steps:
*
* var builder = new bitcore.TransactionBuilder(opts)
* .setUnspent(utxos)
* .setOutputs(outs);
*
* // Sign with the first key
* builder.sign(key1);
* var tx = builder.build(); // Partially signed transaction
*
* // Sign with the second key
* builder.sign(key2);
* if (builder.isFullySigned()){
* var tx = builder.build();
* }
*
* var selectedUnspent = build.getSelectedUnspent(); // Retrieve selected unspent outputs from the transaction
*/
var txid = tx.getHash().toString('hex');
console.log('Created transaction with txid '+txid);
var raw_tx = tx.serialize().toString('hex');
console.log('Transaction raw hex dump:');
console.log('-------------------------------------');
console.log(raw_tx);
console.log('-------------------------------------');
// finally, send transaction to the bitcoin network
conn.sendTx(tx);
// for now, the network won't respond in any case
// (transaction accepted, transaction rejected)
// in the future, we may listen to 'reject' message
// see https://gist.github.com/gavinandresen/7079034
}
});
peerman.start();
```
## Parsing a Script

9
examples/PeerManager.js
View File

@ -3,11 +3,8 @@
var run = function() {
// Replace '../bitcore' with 'bitcore' if you use this code elsewhere.
var bitcore = require('../bitcore');
var networks = bitcore.networks;
var Peer = bitcore.Peer;
var PeerManager = require('soop').load('../PeerManager', {
network: networks.testnet
});
var PeerManager = bitcore.PeerManager;
var handleBlock = function(info) {
console.log('** Block Received **');
@ -29,7 +26,9 @@ var run = function() {
info.conn.sendGetData(invs);
};
var peerman = new PeerManager();
var peerman = new PeerManager({
network: 'testnet'
});
peerman.addPeer(new Peer('127.0.0.1', 18333));

138
examples/SendTx.js
View File

@ -3,71 +3,101 @@
var run = function() {
// Replace '../bitcore' with 'bitcore' if you use this code elsewhere.
var bitcore = require('../bitcore');
var networks = bitcore.networks;
var Peer = bitcore.Peer;
var Transaction = bitcore.Transaction;
var Address = bitcore.Address;
var Script = bitcore.Script;
var coinUtil = bitcore.util;
var PeerManager = require('soop').load('../PeerManager', {
network: networks.testnet
var TransactionBuilder = bitcore.TransactionBuilder;
var PeerManager = bitcore.PeerManager;
// Unspent transactions can be found via the insight.bitcore.io or blockchain.info APIs
var unspent = [{
'txid': '707108b5ba4f78dc951df4647a03365bf36432ea57fb641676045c5044daaea7',
'vout': 0,
'address': 'n3QDC7DzsMmN4mcyp3k7XGPX7zFXXHG387',
'scriptPubKey': '76a914f00c4a92ee2314ab08ac0283dc8d07d9bf2be32388ac',
'amount': 0.12345600,
'confirmations': 43537
}, {
'txid': '87a158d32833cb555aea27b6a21af569ccaeb8f9b19691e05f1e6c2b3440bdb3',
'vout': 1,
'address': 'mxdrp9s4mVxS9X4RBYiLe99v59V81XA5C3',
'scriptPubKey': '76a914bbc87986da6b17c7876db4efacf59a95e14f6cf588ac',
'amount': 0.05749800,
'confirmations': 43536
}
];
// Private keys in WIF format (see TransactionBuilder.js for other options)
var keys = [
'cQA75LXhV5JkMT8wkkqjR87SnHK4doh3c21p7PAd5tp8tc1tRBAY',
'cRz85dz9AiDieRpEwoucfXXQa1jdHHghcv6YnnVVGZ3MQyR1X4u2',
'cSq7yo4fvsbMyWVN945VUGUWMaSazZPWqBVJZyoGsHmNq6W4HVBV',
'cPa87VgwZfowGZYaEenoQeJgRfKW6PhZ1R65EHTkN1K19cSvc92G',
'cPQ9DSbBRLva9av5nqeF5AGrh3dsdW8p2E5jS4P8bDWZAoQTeeKB'
];
var peerman = new PeerManager({
network: 'testnet'
});
var createTx = function() {
var TXIN = 'd05f35e0bbc495f6dcab03e599c8f5e32a07cdb4bc76964de201d06a2a7d8265';
var TXIN_N = 0;
var ADDR = 'muHct3YZ9Nd5Pq7uLYYhXRAxeW4EnpcaLz';
var VAL = '0.001';
var txobj = {
version: 1,
lock_time: 0,
ins: [],
outs: []
};
var txin = {
s: coinUtil.EMPTY_BUFFER, // Add signature
q: 0xffffffff
};
var hash = new Buffer(TXIN.split('').reverse(), 'hex');
var vout = parseInt(TXIN_N);
var voutBuf = new Buffer(4);
voutBuf.writeUInt32LE(vout, 0);
txin.o = Buffer.concat([hash, voutBuf]);
txobj.ins.push(txin);
var addr = new Address(ADDR);
var script = Script.createPubKeyHashOut(addr.payload());
var valueNum = coinUtil.parseValue(VAL);
var value = coinUtil.bigIntToValue(valueNum);
var txout = {
v: value,
s: script.getBuffer(),
};
txobj.outs.push(txout);
return new Transaction(txobj);
};
var peerman = new PeerManager();
peerman.addPeer(new Peer('127.0.0.1', 18333));
peerman.on('connect', function() {
var conn = peerman.getActiveConnection();
if (conn) {
conn.sendTx(createTx());
// define transaction output
var outs = [{
address: 'mhNCT9TwZAGF1tLPpZdqfkTmtBkY282YDW',
amount: 0.1337
}];
// set change address
var opts = {
remainderOut: {
address: 'n4g2TFaQo8UgedwpkYdcQFF6xE2Ei9Czvy'
}
};
var tx = new TransactionBuilder(opts)
.setUnspent(unspent)
.setOutputs(outs)
.sign(keys)
.build();
/* Create and signing can be done in multiple steps:
*
* var builder = new bitcore.TransactionBuilder(opts)
* .setUnspent(utxos)
* .setOutputs(outs);
*
* // Sign with the first key
* builder.sign(key1);
* var tx = builder.build(); // Partially signed transaction
*
* // Sign with the second key
* builder.sign(key2);
* if (builder.isFullySigned()){
* var tx = builder.build();
* }
*
* var selectedUnspent = build.getSelectedUnspent(); // Retrieve selected unspent outputs from the transaction
*/
var txid = tx.getHash().toString('hex');
console.log('Created transaction with txid '+txid);
var raw_tx = tx.serialize().toString('hex');
console.log('Transaction raw hex dump:');
console.log('-------------------------------------');
console.log(raw_tx);
console.log('-------------------------------------');
// finally, send transaction to the bitcoin network
conn.sendTx(tx);
// for now, the network won't respond in any case
// (transaction accepted, transaction rejected)
// in the future, we may listen to 'reject' message
// see https://gist.github.com/gavinandresen/7079034
}
conn.on('reject', function() {
console.log('Transaction Rejected');
});
});
peerman.start();
};
module.exports.run = run;

2
examples/SimpleP2Pmonitor.js
View File

@ -1,6 +1,6 @@
/**
* This is a simple script that will display network messages.
* It users the Peer / Connection classes * directly instead of
* It users the Peer / Connection classes directly instead of
* relying on PeerManager.
*/