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used unique names for subscription strings, used set of events rather than list, and called multiple relays for third call in main

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Vishal
2022-08-28 05:33:01 +05:30
parent b87cb0346b
commit 01b5b82228
6 changed files with 95 additions and 73 deletions
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32
lib/event_ds.dart
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@@ -416,6 +416,11 @@ class Event {
Event(this.event, this.id, this.eventData, this.seenOnRelays, this.originalJson);
@override
bool operator ==( other) {
return (other is Event) && eventData.id == other.eventData.id;
}
factory Event.fromJson(String d, String relay) {
try {
dynamic json = jsonDecode(d);
@@ -487,11 +492,11 @@ class HistogramEntry {
}
// return the numMostFrequent number of most frequent p tags ( user pubkeys) in the given events
List<String> getpTags(List<Event> events, int numMostFrequent) {
List<String> getpTags(Set<Event> events, int numMostFrequent) {
List<HistogramEntry> listHistogram = [];
Map<String, int> histogramMap = {};
for(int i = 0; i < events.length; i++) {
addToHistogram(histogramMap, events[i].eventData.pTags);
for(var event in events) {
addToHistogram(histogramMap, event.eventData.pTags);
}
histogramMap.forEach((key, value) {listHistogram.add(HistogramEntry(key, value));/* print("added to list of histogramEntry $key $value"); */});
@@ -505,8 +510,8 @@ List<String> getpTags(List<Event> events, int numMostFrequent) {
return ptags;
}
List<Event> readEventsFromFile(String filename) {
List<Event> events = [];
Set<Event> readEventsFromFile(String filename) {
Set<Event> events = {};
final File file = File(filename);
// sync read
@@ -524,24 +529,19 @@ List<Event> readEventsFromFile(String filename) {
}
// From the list of events provided, lookup the lastst contact information for the given user/pubkey
Event? getContactEvent(List<Event> events, String pubkey) {
Event? getContactEvent(Set<Event> events, String pubkey) {
// get the latest kind 3 event for the user, which lists his 'follows' list
int latestContactsTime = 0, latestContactIndex = -1;
for( int i = 0; i < events.length; i++) {
var e = events[i];
Event? latestContactEvent = null;
int latestContactsTime = 0;
for( var e in events) {
if( e.eventData.pubkey == pubkey && e.eventData.kind == 3 && latestContactsTime < e.eventData.createdAt) {
latestContactIndex = i;
latestContactsTime = e.eventData.createdAt;
latestContactEvent = e;
}
}
// if contact list was found, get user's feed, and keep the contact list for later use
if (latestContactIndex != -1) {
return events[latestContactIndex];
}
return null;
return latestContactEvent;
}
// for the user userPubkey, returns the relay of its contact contactPubkey