142 lines
3.2 KiB
JavaScript
142 lines
3.2 KiB
JavaScript
'use strict';
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require('classtool');
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function spec() {
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var sockets = require('../app/controllers/socket.js');
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var BlockDb = require('./BlockDb').class();
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var TransactionDb = require('./TransactionDb').class();
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var async = require('async');
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function Sync() {
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this.bDb = new BlockDb();
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this.txDb = new TransactionDb();
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}
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Sync.prototype.init = function(opts, cb) {
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var self = this;
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self.opts = opts;
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return cb();
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};
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Sync.prototype.close = function(cb) {
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var self = this;
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self.txDb.close(function() {
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self.bDb.close(cb);
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});
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};
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Sync.prototype.destroy = function(next) {
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var self = this;
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async.series([
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function(b) { self.bDb.drop(b); },
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function(b) { self.txDb.drop(b); },
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], next);
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};
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Sync.prototype.storeBlock = function(block, cb) {
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var self = this;
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self.txDb.createFromBlock(block, function(err, insertedTxs, updateAddrs) {
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if (err) return cb(err);
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self.bDb.add(block, function(err){
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if (err) return cb(err);
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self._handleBroadcast(block, insertedTxs, updateAddrs);
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return cb();
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});
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});
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};
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Sync.prototype.checkOrphan = function(fromBlock, toBlock, c) {
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var self = this;
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var hash = fromBlock;
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var co = 0;
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var limit = 10;
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var cont = 1;
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async.whilst(
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function () {
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if (++co > limit) {
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console.log('[Sync.js.109] WARN: Reach reog depth limit'); //TODO
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}
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return cont && hash && hash !== toBlock && co < limit;
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},
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function (w_c) {
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//check with RPC if the block is mainchain
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self.bDb.fromHashWithInfo(hash, function (err, info) {
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if (!info) {
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console.log('[Sync.js.107:hash:ORPHAN]',hash); //TODO
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self.txDb.setOrphan(hash, function(err) {
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if (err) return w_c(err);
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self.bDb.setOrphan(hash, function(err, prevHash){
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hash = prevHash;
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return w_c(err);
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});
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});
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}
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else {
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console.log('[Sync.js.107:hash:NOT ORPHAN]',hash); //TODO
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cont = 0;
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return w_c();
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}
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});
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},
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function (err) {
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return c(err);
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}
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);
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};
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Sync.prototype._handleBroadcast = function(hash, inserted_txs, updated_addrs) {
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var self = this;
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if (hash && self.opts.broadcast_blocks) {
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sockets.broadcast_block({hash: hash});
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}
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if (inserted_txs && self.opts.broadcast_txs) {
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inserted_txs.forEach(function(tx) {
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sockets.broadcast_tx(tx);
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});
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}
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if (updated_addrs && self.opts.broadcast_addresses) {
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updated_addrs.forEach(function(addr, txs){
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txs.forEach(function(addr, t){
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sockets.broadcast_address_tx(addr, {'txid': t});
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});
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});
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}
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};
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Sync.prototype.storeTxs = function(txs, cb) {
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var self = this;
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// TODO -- Peertopeer
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/*
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self.txDb.createFromTxs(txs, function(err, inserted_txs, updated_addrs) {
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if (err) return cb(err);
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self._handleBroadcast(null, inserted_txs, updated_addrs);
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return cb(err);
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});
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*/
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};
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return Sync;
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}
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module.defineClass(spec);
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