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Merge pull request #457 from matiu/opt/scriptPubKeyCache

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Opt/script pub key cache
This commit is contained in:
Matias Alejo Garcia 2016-02-23 09:31:12 -03:00
commit 0fccc1c915
1 changed files with 53 additions and 43 deletions
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26
lib/TransactionDb.js
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@ -1,6 +1,7 @@
'use strict';
var imports = require('soop').imports();
var _ = require('lodash');
@ -248,7 +249,7 @@ TransactionDb.prototype._getInfo = function(txid, next, opts) {
self._fillOutpoints(txInfo, function() {
if (opts.noExtraInfo)
return next(null,txInfo);
return next(null, txInfo);
self._fillSpent(txInfo, function() {
return next(null, txInfo);
@ -394,22 +395,25 @@ TransactionDb.prototype.cacheScriptPubKey = function(txouts, cb) {
// console.log('[TransactionDb.js.381:cacheScriptPubKey:]'); //TODO
var self = this;
var dbScript = [];
for (var ii in txouts) {
var txout = txouts[ii];
_.each(txouts, function(txout) {
//everything already cached?
if (txout.scriptPubKeyCached || txout.spentTxId) {
continue;
}
if (txout.scriptPubKeyCached || txout.spentTxId)
return;
// not hard confirmed ?
if (!txout.isConfirmedCached && !txout.confirmedWillBeCached)
return;
if (txout.scriptPubKey) {
var infoToCache = [txout.value_sat, (txout.isConfirmedCached || txout.confirmedWillBeCached) ? 1 : 0, txout.scriptPubKey];
var infoToCache = [txout.value_sat, 1, txout.scriptPubKey];
dbScript.push({
type: 'put',
key: txout.key,
value: infoToCache.join(':'),
});
}
}
});
db.batch(dbScript, cb);
};
@ -560,8 +564,12 @@ TransactionDb.prototype.getStandardizedTx = function(tx, time, isCoinBase) {
TransactionDb.prototype.fillScriptPubKey = function(txouts, cb) {
var self = this;
var allCached = true;
// Complete utxo info
async.eachLimit(txouts, CONCURRENCY, function(txout, a_c) {
if (txout.scriptPubKeyCached) return a_c();
allCached = false;
self.fromIdInfoSimple(txout.txid, function(err, info) {
if (!info || !info.vout) return a_c(err);
@ -569,6 +577,8 @@ TransactionDb.prototype.fillScriptPubKey = function(txouts, cb) {
return a_c();
});
}, function() {
if (allCached)
return cb();
self.cacheScriptPubKey(txouts, cb);
});
};