134 lines
3.0 KiB
JavaScript
134 lines
3.0 KiB
JavaScript
'use strict';
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require('classtool');
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function spec() {
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var config = require('../config/config');
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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.blockDb = 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() {
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if ( this.db && this.db.readyState ) {
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this.db.close();
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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) { try {self.blockDb.drop(b);} catch (e) { return b(); } },
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function(b) { try {self.TransactionDb.drop(b);} catch (e) { return b(); } },
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], next);
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};
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Sync.prototype.hasBlock = function(hash, cb) {
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var self = this;
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return self.blockDb.has(hash, cb);
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};
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Sync.prototype.countNotOrphan = function(hash, cb) {
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var self = this;
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return self.blockDb.countNotOrphan(hash, cb);
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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.blockDb.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.setOrphan = function(fromBlock, toBlock, c) {
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var self = this;
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var hash = fromBlock;
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async.whilst(
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function () {
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return hash && hash !== toBlock;
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},
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function (w_c) {
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self.txDb.setOrphan(hash, function(err, insertedTxs, updateAddrs) {
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if (err) return w_c(err);
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self.blockDb.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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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
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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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return Sync;
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}
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module.defineClass(spec);
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