lightning.proto: Rename 'to_me' to 'final', use for commit_tx.

This is where the commit tx outputs should pay to.

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

commit_tx.c

@@ -24,12 +24,13 @@ struct bitcoin_tx *create_commit_tx(const tal_t *ctx,
 	tx->input[0].txid = *anchor_txid;
 	tx->input[0].index = anchor_output;
 
-	if (!proto_to_pubkey(ours->anchor->pubkey, &ourkey))
+	/* Output goes to our final pubkeys */
+	if (!proto_to_pubkey(ours->final, &ourkey))
 		return tal_free(tx);
-	if (!proto_to_pubkey(theirs->anchor->pubkey, &theirkey))
+	if (!proto_to_pubkey(theirs->final, &theirkey))
 		return tal_free(tx);
 	proto_to_sha256(ours->revocation_hash, &redeem);
-	
+
 	/* First output is a P2SH to a complex redeem script (usu. for me) */
 	redeemscript = bitcoin_redeem_revocable(tx, &ourkey,
 						ours->locktime_seconds,
@@ -43,7 +44,7 @@ struct bitcoin_tx *create_commit_tx(const tal_t *ctx,
 	tx->output[0].amount = ours->anchor->total - ours->commitment_fee;
 
 	/* Second output is a P2SH payment to them. */
-	if (!proto_to_pubkey(theirs->to_me, &to_me))
+	if (!proto_to_pubkey(theirs->final, &to_me))
 		return tal_free(tx);
 	tx->output[1].script = scriptpubkey_p2sh(ctx,
 						 bitcoin_redeem_single(ctx,

lightning.pb-c.c

@@ -1513,12 +1513,12 @@ static const ProtobufCFieldDescriptor open_channel__field_descriptors[7] =
     0,NULL,NULL    /* reserved1,reserved2, etc */
   },
   {
-    "to_me",
+    "final",
     5,
     PROTOBUF_C_LABEL_REQUIRED,
     PROTOBUF_C_TYPE_MESSAGE,
     0,   /* quantifier_offset */
-    offsetof(OpenChannel, to_me),
+    offsetof(OpenChannel, final),
     &bitcoin_pubkey__descriptor,
     NULL,
     0,             /* flags */
@@ -1564,10 +1564,10 @@ static const ProtobufCFieldDescriptor open_channel__field_descriptors[7] =
 static const unsigned open_channel__field_indices_by_name[] = {
   5,   /* field[5] = anchor */
   4,   /* field[4] = commitment_fee */
+  3,   /* field[3] = final */
   1,   /* field[1] = locktime_seconds */
   2,   /* field[2] = revocation_hash */
   0,   /* field[0] = seed */
-  3,   /* field[3] = to_me */
   6,   /* field[6] = tx_version */
 };
 static const ProtobufCIntRange open_channel__number_ranges[2 + 1] =

lightning.pb-c.h

@@ -194,7 +194,7 @@ struct  _OpenChannel
   /*
    * How to pay money to us from commit_tx.
    */
-  BitcoinPubkey *to_me;
+  BitcoinPubkey *final;
   /*
    * How much transaction fee we'll pay for commitment txs.
    */

lightning.proto

@@ -77,7 +77,7 @@ message open_channel {
   // Hash seed for revoking commitment transactions.
   required sha256_hash revocation_hash = 4;
   // How to pay money to us from commit_tx.
-  required bitcoin_pubkey to_me = 5;
+  required bitcoin_pubkey final = 5;
   // How much transaction fee we'll pay for commitment txs.
   required uint64 commitment_fee = 6;
   // The anchor transaction details.

pkt.c

@@ -64,7 +64,7 @@ struct pkt *openchannel_pkt(const tal_t *ctx,
 
 	o.seed = seed;
 	o.revocation_hash = sha256_to_proto(ctx, revocation_hash);
-	o.to_me = pubkey_to_proto(ctx, to_me);
+	o.final = pubkey_to_proto(ctx, to_me);
 	o.commitment_fee = commitment_fee;
 	o.anchor = anchor;
 	o.locktime_seconds = rel_locktime_seconds;