use bytewords_get_word from bytewords lib

Author: gorazdko

deps/bc-bytewords

@@ -125,7 +125,6 @@ class SSKRShareSeq {
     mutable int last_rv;
 };
 
-String bytewords_get_word(uint8_t index);
 
 /**
  *  This function is taken from libwally. We cannot import libwally_bip39 because it is clashing with

seedtool/seed.h

@@ -236,16 +236,6 @@ void SSKRShareSeq::del_share(size_t ndx) {
     nshares -= 1;
 }
 
-
-String bytewords_get_word(uint8_t index) {
-    // FIXME bytewords are currently not exposed in the bytewords library. Once exposed, replace this function
-    char word[5] = {0};
-    static const char* bytewords = "ableacidalsoapexaquaarchatomauntawayaxisbackbaldbarnbeltbetabiasbluebodybragbrewbulbbuzzcalmcashcatschefcityclawcodecolacookcostcruxcurlcuspcyandarkdatadaysdelidicedietdoordowndrawdropdrumdulldutyeacheasyechoedgeepicevenexamexiteyesfactfairfernfigsfilmfishfizzflapflewfluxfoxyfreefrogfuelfundgalagamegeargemsgiftgirlglowgoodgraygrimgurugushgyrohalfhanghardhawkheathelphighhillholyhopehornhutsicedideaidleinchinkyintoirisironitemjadejazzjoinjoltjowljudojugsjumpjunkjurykeepkenokeptkeyskickkilnkingkitekiwiknoblamblavalazyleaflegsliarlistlimplionlogoloudloveluaulucklungmainmanymathmazememomenumeowmildmintmissmonknailnavyneednewsnextnoonnotenumbobeyoboeomitonyxopenovalowlspaidpartpeckplaypluspoempoolposepuffpumapurrquadquizraceramprealredorichroadrockroofrubyruinrunsrustsafesagascarsetssilkskewslotsoapsolosongstubsurfswantacotasktaxitenttiedtimetinytoiltombtoystriptunatwinuglyundouniturgeuservastveryvetovialvibeviewvisavoidvowswallwandwarmwaspwavewaxywebswhatwhenwhizwolfworkyankyawnyellyogayurtzapszestzinczonezoomzero";
-    memcpy(word, &bytewords[index * 4], 4);
-    word[4] = '\0';
-    return String(word);
-}
-
 BIP39Seq * BIP39Seq::from_words(uint16_t * words) {
     BIP39Seq * retval = new BIP39Seq();
     for (size_t ii = 0; ii < WORD_COUNT; ++ii)

seedtool/seed.ino

@@ -1282,7 +1282,9 @@ struct WordListState {
 struct SSKRWordlistState : WordListState {
     SSKRWordlistState(int i_nwords) : WordListState(i_nwords, 1024) {}
     virtual String refword(int ndx) {
-        return String(bytewords_get_word(ndx));
+        char wrd[5];
+        bytewords_get_word(ndx, wrd);
+        return String(wrd);
     }
 };