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