implement filter codec

pkg/encoders/event/event.go

@@ -32,7 +32,8 @@ import (
 // same as go 1.25 json v1 except with this one stupidity removed.
 type E struct {
 
-	// ID is the SHA256 hash of the canonical encoding of the event in binary format
+	// ID is the SHA256 hash of the canonical encoding of the event in binary
+	// format
 	ID []byte
 
 	// Pubkey is the public key of the event creator in binary format
@@ -57,8 +58,8 @@ type E struct {
 	// Pubkey in binary format.
 	Sig []byte
 
-	// b is the decode buffer for the event.E. this is where the UnmarshalJSON will
-	// source the memory to store all of the fields except for the tags.
+	// b is the decode buffer for the event.E. this is where the UnmarshalJSON
+	// will source the memory to store all of the fields except for the tags.
 	b bufpool.B
 }
 

pkg/encoders/event/event_test.go

@@ -89,7 +89,7 @@ func TestExamplesCache(t *testing.T) {
 			t.Fatalf("failed to re-marshal back original")
 		}
 		ev.Free()
-		// Don't return scanner.Bytes() to the pool as it's not a buffer we own
+		// Don't return scanner.Bytes() to the pool as it's a buffer from embed.
 		// bufpool.PutBytes(b)
 		bufpool.PutBytes(b2)
 		bufpool.PutBytes(c)