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bitcoind: get detailed transactions with concurrency 

increase performance of querying address history by executing multiple
rpc calls concurrently with a configurable limit
This commit is contained in:
Braydon Fuller 2016-06-07 08:48:31 -04:00
parent e87f628e7a
commit 3715f07c84
2 changed files with 18 additions and 1 deletions
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9
lib/services/bitcoind.js
View File

@ -76,6 +76,7 @@ Bitcoin.DEFAULT_TRY_ALL_INTERVAL = 1000;
Bitcoin.DEFAULT_REINDEX_INTERVAL = 10000;
Bitcoin.DEFAULT_START_RETRY_INTERVAL = 5000;
Bitcoin.DEFAULT_TIP_UPDATE_INTERVAL = 15000;
Bitcoin.DEFAULT_TRANSACTION_CONCURRENCY = 5;
Bitcoin.DEFAULT_CONFIG_SETTINGS = {
server: 1,
whitelist: '127.0.0.1',
@ -92,6 +93,8 @@ Bitcoin.DEFAULT_CONFIG_SETTINGS = {
};
Bitcoin.prototype._initDefaults = function(options) {
/* jshint maxcomplexity: 15 */
// limits
this.maxTxids = options.maxTxids || Bitcoin.DEFAULT_MAX_TXIDS;
this.maxTransactionHistory = options.maxTransactionHistory || Bitcoin.DEFAULT_MAX_HISTORY;
@ -106,6 +109,9 @@ Bitcoin.prototype._initDefaults = function(options) {
this.tryAllInterval = options.tryAllInterval || Bitcoin.DEFAULT_TRY_ALL_INTERVAL;
this.startRetryInterval = options.startRetryInterval || Bitcoin.DEFAULT_START_RETRY_INTERVAL;
// rpc limits
this.transactionConcurrency = options.transactionConcurrency || Bitcoin.DEFAULT_TRANSACTION_CONCURRENCY;
// sync progress level when zmq subscribes to events
this.zmqSubscribeProgress = options.zmqSubscribeProgress || Bitcoin.DEFAULT_ZMQ_SUBSCRIBE_PROGRESS;
};
@ -1412,8 +1418,9 @@ Bitcoin.prototype.getAddressHistory = function(addressArg, options, callback) {
return callback(e);
}
async.mapSeries(
async.mapLimit(
txids,
self.transactionConcurrency,
function(txid, next) {
self._getAddressDetailedTransaction(txid, {
queryMempool: queryMempool,

10
test/services/bitcoind.unit.js
View File

@ -83,6 +83,16 @@ describe('Bitcoin Service', function() {
});
});
describe('#_initDefaults', function() {
it('will set transaction concurrency', function() {
var bitcoind = new BitcoinService(baseConfig);
bitcoind._initDefaults({transactionConcurrency: 10});
bitcoind.transactionConcurrency.should.equal(10);
bitcoind._initDefaults({});
bitcoind.transactionConcurrency.should.equal(5);
});
});
describe('@dependencies', function() {
it('will have no dependencies', function() {
BitcoinService.dependencies.should.deep.equal([]);