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#!/usr/bin/env node
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process.env.NODE_ENV = process.env.NODE_ENV || 'development';
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require('buffertools').extend();
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var SYNC_VERSION = '0.1';
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var program = require('commander');
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var util = require('util');
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var RpcClient = require('../node_modules/bitcore/RpcClient').class();
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var networks = require('../node_modules/bitcore/networks');
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var Block = require('../app/models/Block');
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var config = require('../config/config');
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var mongoose = require('mongoose');
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program
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.version(SYNC_VERSION)
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.option('-N --network [livenet]', 'Set bitcoin network [livenet]', 'livenet')
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.option('-R --reindex', 'Force reindexing', '0')
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.parse(process.argv);
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var networkName = program.network;
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var network = networkName == 'testnet' ? networks.testnet : networks.livenet;
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mongoose.connect(config.db);
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var db = mongoose.connection;
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var rpc = new RpcClient(config.bitcoind);
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db.on('error', console.error.bind(console, 'connection error:'));
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db.once('open', function callback () {
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syncBlocks(network, program.reindex, function(err) {
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if (err) {
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console.log(err);
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}
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mongoose.connection.close();
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});
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});
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function getNextBlock(blockHash,cb) {
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if ( !blockHash ) {
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console.log("done");
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return cb();
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}
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rpc.getBlock(blockHash, function(err, blockInfo) {
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if (err) {
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return cb(err);
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}
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if ( ! ( blockInfo.result.height % 1000) ) {
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var h = blockInfo.result.height,
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d = blockInfo.result.confirmations;
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console.log( util.format("Height: %d/%d [%d%%]", h, d, 100*h/(h+d)));
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}
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Block.create( blockInfo.result, function(err, inBlock) {
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// E11000 => already exists
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if (err && ! err.toString().match(/E11000/)) {
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return cb(err);
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}
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return getNextBlock(blockInfo.result.nextblockhash, cb);
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});
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});
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}
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function syncBlocks(network, reindex, cb) {
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var genesisHash = network.genesisBlock.hash.reverse().toString('hex');
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if (reindex)
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return getNextBlock(genesisHash, cb);
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Block.findOne({}, {}, { sort: { 'confirmations' : 1 } }, function(err, block) {
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if (err) return cb(err);
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var nextHash =
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block && block.hash
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? block.hash
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: genesisHash
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;
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console.log('Starting at hash: ' + nextHash);
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return getNextBlock(nextHash, cb);
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});
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}
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