allow non-hex e and p tags

mostly because some clients use p tags in follow lists for whatever reason. follow lists are generally fetched by pubkey+kind so the missing index because it's not a pubkey is really nbd, and pubkey tag searches will also work with the kind.

database/fulltext.go

@@ -63,7 +63,7 @@ func (d *D) GetWordsFromContent(ev *event.E) (wordMap map[string]int) {
 				!IsEntity(w) &&
 				!bytes.Contains(w, []byte(".")) {
 				if len(w) == 64 || len(w) == 128 {
-					if _, err := hex.Dec(string(w)); !chk.E(err) {
+					if _, err := hex.Dec(string(w)); err == nil {
 						continue
 					}
 				}

database/get-event-indexes.go

@@ -164,6 +164,9 @@ func (d *D) GetEventIndexes(ev *event.E) (indices [][]byte, ser *varint.V, err e
 			continue
 		}
 		ph := pubhash.New()
+		if len(pkb) == 0 {
+			continue
+		}
 		if err = ph.FromPubkey(pkb); chk.E(err) {
 			err = nil
 			continue

database/get-event-indexes_test.go

@@ -88,7 +88,7 @@ func TestGetEventIndexes(t *testing.T) {
 		// check the event encodes to binary, decodes, and produces the identical canonical form
 		binE := new(bytes.Buffer)
 		if err = ev.MarshalWrite(binE); chk.E(err) {
-			// log.I.F("bogus tags probably: %s", b)
+			log.I.F("bogus tags probably: %s", b)
 			encErrs++
 			// events that marshal with errors have e and p tag values that aren't hex and should not be accepted
 			continue

database/store-find_test.go

@@ -50,7 +50,7 @@ func TestD_StoreEvent(t *testing.T) {
 		count++
 		if count%1000 == 0 {
 			log.I.F("unmarshaled %d events", count)
-			break
+			// break
 		}
 		if err = d.StoreEvent(ev); chk.E(err) {
 			continue