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Added tx cache.

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Chris Kleeschulte 2017-10-17 14:23:51 -04:00
parent 18bb501547
commit 22678e3838
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GPG Key ID: 33195D27EF6BDB7F
2 changed files with 34 additions and 1 deletions
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16
errors.txt Normal file
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@ -0,0 +1,16 @@
17-10-16T23:06:28.131Z] error: Error: Block hash or address expected
Oct 16 23:06:28 rs-iad-insight-04 bitcored[23072]: at TxController.list (/home/bitcore/.npm-packages/lib/node_modules/bitcore/node_modules/insight-api/lib/transactions.js:321:37)
Oct 16 23:06:28 rs-iad-insight-04 bitcored[23072]: at Layer.handle [as handle_request] (/home/bitcore/.npm-packages/lib/node_modules/bitcore/node_modules/express/lib/router/layer.js:95:5)
Oct 16 23:06:28 rs-iad-insight-04 bitcored[23072]: at next (/home/bitcore/.npm-packages/lib/node_modules/bitcore/node_modules/express/lib/router/route.js:137:13)
Oct 16 23:06:28 rs-iad-insight-04 bitcored[23072]: at /home/bitcore/.npm-packages/lib/node_modules/bitcore/node_modules/insight-api/lib/index.js:73:5
Oct 16 23:06:28 rs-iad-insight-04 bitcored[23072]: at Layer.handle [as handle_request] (/home/bitcore/.npm-packages/lib/node_modules/bitcore/node_modules/express/lib/router/layer.js:95:5)
Oct 16 23:06:28 rs-iad-insight-04 bitcored[23072]: at next (/home/bitcore/.npm-packages/lib/node_modules/bitcore/node_modules/express/lib/router/route.js:137:13)
Oct 16 23:06:28 rs-iad-insight-04 bitcored[23072]: at Route.dispatch (/home/bitcore/.npm-packages/lib/node_modules/bitcore/node_modules/express/lib/router/route.js:112:3)
Oct 16 23:06:28 rs-iad-insight-04 bitcored[23072]: at Layer.handle [as handle_request] (/home/bitcore/.npm-packages/lib/node_modules/bitcore/node_modules/express/lib/router/layer.js:95:5)
Oct 16 23:06:28 rs-iad-insight-04 bitcored[23072]: at /home/bitcore/.npm-packages/lib/node_modules/bitcore/node_modules/express/lib/router/index.js:281:22
Oct 16 23:06:28 rs-iad-insight-04 bitcored[23072]: at
17

19
lib/services/transaction/index.js
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@ -6,6 +6,7 @@ var Encoding = require('./encoding');
var _ = require('lodash'); var _ = require('lodash');
var async = require('async'); var async = require('async');
var assert = require('assert'); var assert = require('assert');
var LRU = require('lru-cache');
function TransactionService(options) { function TransactionService(options) {
BaseService.call(this, options); BaseService.call(this, options);
@ -24,6 +25,9 @@ function TransactionService(options) {
if (this._network === 'regtest') { if (this._network === 'regtest') {
this._network = 'testnet'; this._network = 'testnet';
} }
// caches
this._cacheTx = LRU(1000);
} }
inherits(TransactionService, BaseService); inherits(TransactionService, BaseService);
@ -113,12 +117,25 @@ TransactionService.prototype.getTransaction = function(txid, options, callback)
callback = options; callback = options;
} }
var cacheTx = self._cacheTx.get(txid);
if (cacheTx) {
return callback(null, cacheTx);
}
async.waterfall([ async.waterfall([
self._getTransaction.bind(self, txid, options), self._getTransaction.bind(self, txid, options),
self._getSupplementaryTransactionInfo.bind(self), self._getSupplementaryTransactionInfo.bind(self),
self._getMempoolTransaction.bind(self), self._getMempoolTransaction.bind(self),
self.setTxMetaInfo.bind(self) self.setTxMetaInfo.bind(self)
], callback); ], function(err, tx) {
if (err) {
return callback(err);
}
if (tx) {
self._cacheTx.set(txid, tx);
}
callback(err, tx);
});
}; };