peer: use funding.h's struct channel_htlc.

Instead of our own fields for the current htlc.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

daemon/packets.c

@@ -139,9 +139,9 @@ Pkt *pkt_htlc_update(const tal_t *ctx, const struct peer *peer,
 	update_add_htlc__init(u);
 
 	u->revocation_hash = sha256_to_proto(u, &htlc_prog->our_revocation_hash);
-	u->amount_msat = htlc_prog->msatoshis;
-	u->r_hash = sha256_to_proto(u, &htlc_prog->rhash);
-	u->expiry = abs_locktime_to_proto(u, &htlc_prog->expiry);
+	u->amount_msat = htlc_prog->htlc->msatoshis;
+	u->r_hash = sha256_to_proto(u, &htlc_prog->htlc->rhash);
+	u->expiry = abs_locktime_to_proto(u, &htlc_prog->htlc->expiry);
 
 	return make_pkt(ctx, PKT__PKT_UPDATE_ADD_HTLC, u);
 }
@@ -381,25 +381,26 @@ Pkt *accept_pkt_htlc_update(const tal_t *ctx,
 	struct htlc_progress *cur = tal(peer, struct htlc_progress);
 	Pkt *err;
 
-	cur->msatoshis = u->amount_msat;
-	proto_to_sha256(u->r_hash, &cur->rhash);
+	cur->htlc = tal(cur, struct channel_htlc);
+	cur->htlc->msatoshis = u->amount_msat;
+	proto_to_sha256(u->r_hash, &cur->htlc->rhash);
 	proto_to_sha256(u->revocation_hash, &cur->their_revocation_hash);
-	if (!proto_to_abs_locktime(u->expiry, &cur->expiry)) {
+	if (!proto_to_abs_locktime(u->expiry, &cur->htlc->expiry)) {
 		err = pkt_err(ctx, "Invalid HTLC expiry");
 		goto fail;
 	}
 	cur->cstate = copy_funding(cur, peer->cstate);
 	if (!funding_delta(peer->them.offer_anchor == CMD_OPEN_WITH_ANCHOR,
 			   peer->anchor.satoshis,
-			   0, cur->msatoshis,
+			   0, cur->htlc->msatoshis,
 			   &cur->cstate->b, &cur->cstate->a)) {
 		err = pkt_err(ctx, "Cannot afford %"PRIu64" milli-satoshis",
-			      cur->msatoshis);
+			      cur->htlc->msatoshis);
 		goto fail;
 	}
 	/* Add the htlc to their side of channel. */
-	funding_add_htlc(&cur->cstate->b, cur->msatoshis,
-			 &cur->expiry, &cur->rhash);
+	funding_add_htlc(&cur->cstate->b, cur->htlc->msatoshis,
+			 &cur->htlc->expiry, &cur->htlc->rhash);
 	
 	peer_get_revocation_hash(peer, peer->num_htlcs+1,
 				 &cur->our_revocation_hash);

daemon/peer.c

@@ -968,7 +968,8 @@ static void json_newhtlc(struct command *cmd,
 
 	/* Attach to cmd until it's complete. */
 	cur = tal(cmd, struct htlc_progress);
-	if (!json_tok_u64(buffer, msatoshistok, &cur->msatoshis)) {
+	cur->htlc = tal(cur, struct channel_htlc);
+	if (!json_tok_u64(buffer, msatoshistok, &cur->htlc->msatoshis)) {
 		command_fail(cmd, "'%.*s' is not a valid number",
 			     (int)(msatoshistok->end - msatoshistok->start),
 			     buffer + msatoshistok->start);
@@ -981,7 +982,7 @@ static void json_newhtlc(struct command *cmd,
 		return;
 	}
 
-	if (!seconds_to_abs_locktime(expiry, &cur->expiry)) {
+	if (!seconds_to_abs_locktime(expiry, &cur->htlc->expiry)) {
 		command_fail(cmd, "'%.*s' is not a valid number",
 			     (int)(expirytok->end - expirytok->start),
 			     buffer + expirytok->start);
@@ -989,7 +990,7 @@ static void json_newhtlc(struct command *cmd,
 	}
 	if (!hex_decode(buffer + rhashtok->start,
 			rhashtok->end - rhashtok->start,
-			&cur->rhash, sizeof(cur->rhash))) {
+			&cur->htlc->rhash, sizeof(cur->htlc->rhash))) {
 		command_fail(cmd, "'%.*s' is not a valid sha256 hash",
 			     (int)(rhashtok->end - rhashtok->start),
 			     buffer + rhashtok->start);
@@ -1002,15 +1003,15 @@ static void json_newhtlc(struct command *cmd,
 	cur->cstate = copy_funding(cur, peer->cstate);
 	if (!funding_delta(peer->us.offer_anchor == CMD_OPEN_WITH_ANCHOR,
 			   peer->anchor.satoshis,
-			   0, cur->msatoshis,
+			   0, cur->htlc->msatoshis,
 			   &cur->cstate->a, &cur->cstate->b)) {
 		command_fail(cmd, "Cannot afford %"PRIu64" milli-satoshis",
-			     cur->msatoshis);
+			     cur->htlc->msatoshis);
 		return;
 	}
 	/* Add the htlc to our side of channel. */
-	funding_add_htlc(&cur->cstate->a, cur->msatoshis,
-			 &cur->expiry, &cur->rhash);
+	funding_add_htlc(&cur->cstate->a, cur->htlc->msatoshis,
+			 &cur->htlc->expiry, &cur->htlc->rhash);
 
 	peer->current_htlc = tal_steal(peer, cur);
 	peer->jsoncmd = cmd;

daemon/peer.h

@@ -32,9 +32,7 @@ struct peer_visible_state {
 struct htlc_progress {
 	/* Channel funding state, after we've completed htlc. */
 	struct channel_state *cstate;
-	struct abs_locktime expiry;
-	u64 msatoshis;
-	struct sha256 rhash;
+	struct channel_htlc *htlc;
 	struct sha256 our_revocation_hash, their_revocation_hash;
 	struct bitcoin_tx *our_commit, *their_commit;
 	struct bitcoin_signature their_sig;