nostr package, readme updates accordingly, matching example program (#14)

filter.go

@@ -1,100 +0,0 @@
-package nostr
-
-import (
-	"time"
-)
-
-type Filters []Filter
-
-type Filter struct {
-	IDs     StringList
-	Kinds   IntList
-	Authors StringList
-	Tags    TagMap
-	Since   *time.Time
-	Until   *time.Time
-	Limit   int
-}
-
-type TagMap map[string]StringList
-
-func (eff Filters) Match(event *Event) bool {
-	for _, filter := range eff {
-		if filter.Matches(event) {
-			return true
-		}
-	}
-	return false
-}
-
-func (ef Filter) Matches(event *Event) bool {
-	if event == nil {
-		return false
-	}
-
-	if ef.IDs != nil && !ef.IDs.ContainsPrefixOf(event.ID) {
-		return false
-	}
-
-	if ef.Kinds != nil && !ef.Kinds.Contains(event.Kind) {
-		return false
-	}
-
-	if ef.Authors != nil && !ef.Authors.ContainsPrefixOf(event.PubKey) {
-		return false
-	}
-
-	for f, v := range ef.Tags {
-		if v != nil && !event.Tags.ContainsAny(f, v) {
-			return false
-		}
-	}
-
-	if ef.Since != nil && time.Time(event.CreatedAt).Before(*ef.Since) {
-		return false
-	}
-
-	if ef.Until != nil && time.Time(event.CreatedAt).After(*ef.Until) {
-		return false
-	}
-
-	return true
-}
-
-func FilterEqual(a Filter, b Filter) bool {
-	if !a.Kinds.Equals(b.Kinds) {
-		return false
-	}
-
-	if !a.IDs.Equals(b.IDs) {
-		return false
-	}
-
-	if !a.Authors.Equals(b.Authors) {
-		return false
-	}
-
-	if len(a.Tags) != len(b.Tags) {
-		return false
-	}
-
-	for f, av := range a.Tags {
-		if bv, ok := b.Tags[f]; !ok {
-			return false
-		} else {
-			if !av.Equals(bv) {
-				return false
-			}
-		}
-	}
-
-	if a.Since != b.Since {
-		return false
-	}
-
-	if a.Until != b.Until {
-		return false
-	}
-
-	return true
-}