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Run cache summary

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run cache storage for address summary in background when queried result is incomplete
This commit is contained in:
sairajzero 2023-04-18 04:23:41 +05:30
parent 3982807b32
commit adb81616aa
1 changed files with 58 additions and 3 deletions
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61
lib/services/address/index.js
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@ -357,11 +357,11 @@ AddressService.prototype.getAddressSummary = function(address, options, streamer
if(tx) {
count++;
self._aggregateAddressSummaryResult(tx, address, result, options);
result.lastItem = tx.txid();
}
if(count >= MAX_TX_QUERY_LIMIT) {//stop quering db when limit reached
options.flag_stop = true;
result.lastItem = tx.txid();
result.incomplete = true;
}
@ -388,8 +388,12 @@ AddressService.prototype.getAddressSummary = function(address, options, streamer
callback(null, result);
//store in cache if needed
if(useCache && result.incomplete)
this._storeCache(address, result.lastItem, result);
if(useCache) {
if(result.incomplete) //full summary needs to be calculated in background
self._cacheSummaryInBackground(address, result.lastItem, result);
else if (result.lastItem != lastCachedTx)
self._storeCache(address, result.lastItem, result);
}
});
@ -397,6 +401,57 @@ AddressService.prototype.getAddressSummary = function(address, options, streamer
}
AddressService.prototype._cacheSummaryInBackground_runningInstance = new Set();
AddressService.prototype._cacheSummaryInBackground = function(address, lastTx, result){
const self = this;
if(self._cacheSummaryInBackground_runningInstance.has(address))
return;
self._cacheSummaryInBackground_runningInstance.add(address);
const cache = {
balanceSat: result.balanceSat,
totalReceivedSat: result.totalReceivedSat,
totalSentSat: result.totalSentSat,
txApperances: result.txApperances,
unconfirmedBalanceSat: result.unconfirmedBalanceSat,
unconfirmedTxApperances: result.unconfirmedTxApperances
};
const options = { queryMempool: false, after: lastTx, noTxList: true };
var lastItem;
self._streamAddressSummary(address, options, function(err, tx) {
if(err)
return log.error(err);
if(tx) {
self._aggregateAddressSummaryResult(tx, address, cache, options);
lastItem = tx.txid();
}
}, function(err) {
if (err)
return log.error(err);
cache.balanceSat = parseInt(cache.balanceSat.toFixed());
cache.totalReceivedSat = parseInt(cache.totalReceivedSat.toFixed());
cache.totalSentSat = parseInt(cache.totalSentSat.toFixed());
cache.txApperances = parseInt(cache.txApperances.toFixed());
cache.unconfirmedBalanceSat = parseInt(cache.unconfirmedBalanceSat.toFixed());
cache.unconfirmedTxApperances = parseInt(cache.unconfirmedTxApperances.toFixed());
if(_.isUndefined(lastItem))
self._storeCache(address, lastItem, cache);
self._cacheSummaryInBackground_runningInstance.delete(address); //remove from running instance
});
}
AddressService.prototype._storeCache = function(address, lastCacheTx, result, callback) {
var key = self._encoding.encodeAddressCacheKey(address);
var value = self._encoding.encodeAddressCacheValue(lastCacheTx, result.balanceSat, result.totalReceivedSat, result.totalSentSat, result.txApperances, result.unconfirmedBalanceSat, result.unconfirmedTxApperances)