pkt_open: use flag to indicate whether packet will offer anchor.

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

state.c

@@ -109,11 +109,15 @@ enum state state(const enum state state, const struct state_data *sdata,
 	 */
 	case STATE_INIT_NOANCHOR:
 		assert(input == INPUT_NONE);
-		set_effect(effect, send, pkt_open(effect, sdata));
+		set_effect(effect, send,
+			   pkt_open(effect, sdata,
+				OPEN_CHANNEL__ANCHOR_OFFER__WONT_CREATE_ANCHOR));
 		return STATE_OPEN_WAIT_FOR_OPEN_NOANCHOR;
 	case STATE_INIT_WITHANCHOR:
 		assert(input == INPUT_NONE);
-		set_effect(effect, send, pkt_open(effect, sdata));
+		set_effect(effect, send,
+			   pkt_open(effect, sdata, 
+				OPEN_CHANNEL__ANCHOR_OFFER__WILL_CREATE_ANCHOR));
 		return STATE_OPEN_WAIT_FOR_OPEN_WITHANCHOR;
 	case STATE_OPEN_WAIT_FOR_OPEN_NOANCHOR:
 		if (input_is(input, PKT_OPEN)) {

state.h

@@ -131,7 +131,8 @@ static inline bool input_is(enum state_input a, enum state_input b)
 struct signature;
 
 /* Create various kinds of packets, allocated off @ctx */
-Pkt *pkt_open(const tal_t *ctx, const struct state_data *sdata);
+Pkt *pkt_open(const tal_t *ctx, const struct state_data *sdata,
+	      OpenChannel__AnchorOffer anchor);
 Pkt *pkt_anchor(const tal_t *ctx, const struct state_data *sdata);
 Pkt *pkt_open_commit_sig(const tal_t *ctx, const struct state_data *sdata);
 Pkt *pkt_open_complete(const tal_t *ctx, const struct state_data *sdata);

test/test_state_coverage.c

@@ -564,7 +564,8 @@ static struct htlc *find_htlc_spend(const struct state_data *sdata,
 	return (struct htlc *)h;
 }
 
-Pkt *pkt_open(const tal_t *ctx, const struct state_data *sdata)
+Pkt *pkt_open(const tal_t *ctx, const struct state_data *sdata,
+	      OpenChannel__AnchorOffer anchor)
 {
 	return new_pkt(ctx, PKT_OPEN);
 }