coins: have `we_fulfilled` be fully 'ternary'

note that 'null' 'we_fulfilled's are going to be legacy from this
release forward.

lightningd/htlc_end.c

@@ -158,7 +158,7 @@ struct htlc_in *new_htlc_in(const tal_t *ctx,
 	hin->badonion = 0;
 	hin->failonion = NULL;
 	hin->preimage = NULL;
-	hin->we_filled = false;
+	hin->we_filled = NULL;
 
 	hin->received_time = time_now();
 

lightningd/htlc_end.h

@@ -54,7 +54,7 @@ struct htlc_in {
 	/* Only set if blinding != NULL */
 	struct secret blinding_ss;
 	/* true if we supplied the preimage */
-	bool we_filled;
+	bool *we_filled;
 };
 
 struct htlc_out {

lightningd/htlc_set.c

@@ -59,7 +59,8 @@ void htlc_set_fulfill(struct htlc_set *set, const struct preimage *preimage)
 		tal_del_destructor2(set->htlcs[i], htlc_set_hin_destroyed, set);
 
 		/* mark that we filled -- needed for tagging coin mvt */
-		set->htlcs[i]->we_filled = true;
+		set->htlcs[i]->we_filled = tal(set->htlcs[i], bool);
+		*set->htlcs[i]->we_filled = true;
 		fulfill_htlc(set->htlcs[i], preimage);
 	}
 	tal_free(set);

lightningd/peer_htlcs.c

@@ -95,9 +95,10 @@ static bool htlc_out_update_state(struct channel *channel,
 			     "out"))
 		return false;
 
+	bool we_filled = false;
 	wallet_htlc_update(channel->peer->ld->wallet, hout->dbid, newstate,
 			   hout->preimage, 0, hout->failonion,
-			   hout->failmsg, false);
+			   hout->failmsg, &we_filled);
 
 	hout->hstate = newstate;
 	return true;
@@ -186,11 +187,12 @@ static void failmsg_update_reply(struct subd *gossipd,
 				    cbdata->hin->shared_secret,
 				    failmsg);
 
+	bool we_filled = false;
 	wallet_htlc_update(gossipd->ld->wallet,
 			   cbdata->hin->dbid, cbdata->hin->hstate,
 			   cbdata->hin->preimage,
 			   cbdata->hin->badonion,
-			   cbdata->hin->failonion, NULL, false);
+			   cbdata->hin->failonion, NULL, &we_filled);
 
 	failed_htlc = mk_failed_htlc(tmpctx,
 				     cbdata->hin, cbdata->hin->failonion);
@@ -853,7 +855,8 @@ htlc_accepted_hook_try_resolve(struct htlc_accepted_hook_payload *request,
 		towire_u16(&unknown_details, 0x400f);
 		local_fail_in_htlc(hin, take(unknown_details));
 	} else {
-		hin->we_filled = true;
+		hin->we_filled = tal(hin, bool);
+		*hin->we_filled = true;
 		fulfill_htlc(hin, payment_preimage);
 	}
 }
@@ -1244,6 +1247,7 @@ static void fulfill_our_htlc_out(struct channel *channel, struct htlc_out *hout,
 				 const struct preimage *preimage)
 {
 	struct lightningd *ld = channel->peer->ld;
+	bool we_filled = false;
 
 	assert(!hout->preimage);
 	hout->preimage = tal_dup(hout, struct preimage, preimage);
@@ -1251,7 +1255,7 @@ static void fulfill_our_htlc_out(struct channel *channel, struct htlc_out *hout,
 
 	wallet_htlc_update(ld->wallet, hout->dbid, hout->hstate,
 			   hout->preimage, 0, hout->failonion,
-			   hout->failmsg, false);
+			   hout->failmsg, &we_filled);
 	/* Update channel stats */
 	wallet_channel_stats_incr_out_fulfilled(ld->wallet,
 						channel->dbid,
@@ -1418,9 +1422,11 @@ void onchain_failed_our_htlc(const struct channel *channel,
 	/* Force state to something which expects a failure, and save to db */
 	hout->hstate = RCVD_REMOVE_HTLC;
 	htlc_out_check(hout, __func__);
+
+	bool we_filled = false;
 	wallet_htlc_update(ld->wallet, hout->dbid, hout->hstate,
 			   hout->preimage, 0, hout->failonion,
-			   hout->failmsg, false);
+			   hout->failmsg, &we_filled);
 
 	if (hout->am_origin) {
 		assert(why != NULL);

wallet/wallet.c

@@ -1844,7 +1844,7 @@ void wallet_htlc_update(struct wallet *wallet, const u64 htlc_dbid,
 			enum onion_type badonion,
 			const struct onionreply *failonion,
 			const u8 *failmsg,
-			bool we_filled)
+			bool *we_filled)
 {
 	struct db_stmt *stmt;
 
@@ -1882,7 +1882,7 @@ void wallet_htlc_update(struct wallet *wallet, const u64 htlc_dbid,
 		db_bind_null(stmt, 4);
 
 	if (we_filled)
-		db_bind_int(stmt, 5, 1);
+		db_bind_int(stmt, 5, *we_filled);
 	else
 		db_bind_null(stmt, 5);
 
@@ -1956,7 +1956,11 @@ static bool wallet_stmt2htlc_in(struct channel *channel,
 	}
 #endif
 
-	in->we_filled = !db_column_is_null(stmt, 13);
+	if (!db_column_is_null(stmt, 13)) {
+		in->we_filled = tal(in, bool);
+		*in->we_filled = db_column_int(stmt, 13);
+	} else
+		in->we_filled = NULL;
 
 	return ok;
 }

wallet/wallet.h

@@ -616,7 +616,7 @@ void wallet_htlc_update(struct wallet *wallet, const u64 htlc_dbid,
 			enum onion_type badonion,
 			const struct onionreply *failonion,
 			const u8 *failmsg,
-			bool we_filled);
+			bool *we_filled);
 
 /**
  * wallet_htlcs_load_in_for_channel - Load incoming HTLCs associated with chan from DB.