new flow for auth based on "auth-required: " rejection messages.

utils.go

@@ -2,20 +2,8 @@ package khatru
 
 import (
 	"context"
-	"hash/maphash"
-	"regexp"
-	"unsafe"
-
-	"github.com/nbd-wtf/go-nostr"
 )
 
-const (
-	AUTH_CONTEXT_KEY = iota
-	WS_KEY           = iota
-)
-
-var nip20prefixmatcher = regexp.MustCompile(`^\w+: `)
-
 func GetConnection(ctx context.Context) *WebSocket {
 	return ctx.Value(WS_KEY).(*WebSocket)
 }
@@ -27,12 +15,3 @@ func GetAuthed(ctx context.Context) string {
 	}
 	return authedPubkey.(string)
 }
-
-func pointerHasher[V any](_ maphash.Seed, k *V) uint64 {
-	return uint64(uintptr(unsafe.Pointer(k)))
-}
-
-func isOlder(previous, next *nostr.Event) bool {
-	return previous.CreatedAt < next.CreatedAt ||
-		(previous.CreatedAt == next.CreatedAt && previous.ID > next.ID)
-}