bitcoin/tx: use fromwire_fail in pull_bitcoin_tx.

This is the correct way to mark failure: it also sets *max to 0.

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

bitcoin/test/run-bitcoin_block_from_hex.c

@@ -5,6 +5,12 @@
 #include "../varint.c"
 #include <assert.h>
 
+/* AUTOGENERATED MOCKS START */
+/* Generated stub for fromwire_fail */
+const void *fromwire_fail(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
+{ fprintf(stderr, "fromwire_fail called!\n"); abort(); }
+/* AUTOGENERATED MOCKS END */
+
 static const char block[] =
 	"00a09265c15bea24321eecadb27ddf660035ac1f2b450ec03b973e17310f000"
 	"0000000008a0ee58ded5de949325ebc99583e3ca84f96a6597465c611685413"

bitcoin/test/run-tx-encode.c

@@ -6,6 +6,12 @@
 #include <ccan/str/hex/hex.h>
 #include <common/utils.h>
 
+/* AUTOGENERATED MOCKS START */
+/* Generated stub for fromwire_fail */
+const void *fromwire_fail(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
+{ fprintf(stderr, "fromwire_fail called!\n"); abort(); }
+/* AUTOGENERATED MOCKS END */
+
 const char extended_tx[] =
     "02000000000101b5bef485c41d0d1f58d1e8a561924ece5c476d86cff063ea10c8df06136e"
     "b31d00000000171600144aa38e396e1394fb45cbf83f48d1464fbc9f498fffffffff014033"

bitcoin/tx.c

@@ -10,6 +10,7 @@
 #include <ccan/str/hex/hex.h>
 #include <common/type_to_string.h>
 #include <stdio.h>
+#include <wire/wire.h>
 
 #define SEGREGATED_WITNESS_FLAG 0x1
 
@@ -209,7 +210,7 @@ static void push_tx(const struct bitcoin_tx *tx,
 		flag |= WALLY_TX_FLAG_USE_WITNESS;
 
 	res = wally_tx_get_length(tx->wtx, flag, &len);
-	assert(res);
+	assert(res == WALLY_OK);
 	serialized = tal_arr(tmpctx, u8, len);
 
 	res = wally_tx_to_bytes(tx->wtx, flag, serialized, len, &written);
@@ -295,7 +296,7 @@ struct bitcoin_tx *pull_bitcoin_tx(const tal_t *ctx, const u8 **cursor,
 	size_t wsize;
 	struct bitcoin_tx *tx = tal(ctx, struct bitcoin_tx);
 	if (wally_tx_from_bytes(*cursor, *max, 0, &tx->wtx) != WALLY_OK) {
-		*cursor = 0;
+		fromwire_fail(cursor, max);
 		return tal_free(tx);
 	}
 	tal_add_destructor(tx, bitcoin_tx_destroy);

common/test/run-amount.c

@@ -1,5 +1,13 @@
 #include "../amount.c"
 #include <common/utils.h>
+#include <stdio.h>
+#include <wire/wire.h>
+
+/* AUTOGENERATED MOCKS START */
+/* Generated stub for fromwire_fail */
+const void *fromwire_fail(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
+{ fprintf(stderr, "fromwire_fail called!\n"); abort(); }
+/* AUTOGENERATED MOCKS END */
 
 #define FAIL_MSAT(msatp, str) \
 	assert(!parse_amount_msat((msatp), (str), strlen(str)))

common/test/run-bolt11.c

@@ -11,6 +11,9 @@
 #include <wally_core.h>
 
 /* AUTOGENERATED MOCKS START */
+/* Generated stub for fromwire_fail */
+const void *fromwire_fail(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
+{ fprintf(stderr, "fromwire_fail called!\n"); abort(); }
 /* Generated stub for fromwire_node_id */
 void fromwire_node_id(const u8 **cursor UNNEEDED, size_t *max UNNEEDED, struct node_id *id UNNEEDED)
 { fprintf(stderr, "fromwire_node_id called!\n"); abort(); }

common/test/run-cryptomsg.c

@@ -7,6 +7,12 @@
 #include <wire/peer_wire.h>
 #include <wire/wire_io.h>
 
+/* AUTOGENERATED MOCKS START */
+/* Generated stub for fromwire_fail */
+const void *fromwire_fail(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
+{ fprintf(stderr, "fromwire_fail called!\n"); abort(); }
+/* AUTOGENERATED MOCKS END */
+
 void status_fmt(enum log_level level UNUSED, const char *fmt, ...)
 {
 	va_list ap;

common/test/run-derive_basepoints.c

@@ -8,6 +8,9 @@
 #include <wally_core.h>
 
 /* AUTOGENERATED MOCKS START */
+/* Generated stub for fromwire_fail */
+const void *fromwire_fail(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
+{ fprintf(stderr, "fromwire_fail called!\n"); abort(); }
 /* Generated stub for fromwire_pubkey */
 void fromwire_pubkey(const u8 **cursor UNNEEDED, size_t *max UNNEEDED, struct pubkey *pubkey UNNEEDED)
 { fprintf(stderr, "fromwire_pubkey called!\n"); abort(); }

common/test/run-features.c

@@ -7,6 +7,9 @@
 #include <wally_core.h>
 
 /* AUTOGENERATED MOCKS START */
+/* Generated stub for fromwire_fail */
+const void *fromwire_fail(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
+{ fprintf(stderr, "fromwire_fail called!\n"); abort(); }
 /* AUTOGENERATED MOCKS END */
 
 int main(void)

common/test/run-funding_tx.c

@@ -28,6 +28,9 @@ void fromwire_bitcoin_txid(const u8 **cursor UNNEEDED, size_t *max UNNEEDED,
 /* Generated stub for fromwire_bool */
 bool fromwire_bool(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
 { fprintf(stderr, "fromwire_bool called!\n"); abort(); }
+/* Generated stub for fromwire_fail */
+const void *fromwire_fail(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
+{ fprintf(stderr, "fromwire_fail called!\n"); abort(); }
 /* Generated stub for fromwire_node_id */
 void fromwire_node_id(const u8 **cursor UNNEEDED, size_t *max UNNEEDED, struct node_id *id UNNEEDED)
 { fprintf(stderr, "fromwire_node_id called!\n"); abort(); }

common/test/run-json.c

@@ -3,8 +3,12 @@
 #include <ccan/mem/mem.h>
 #include <common/utils.h>
 #include <stdio.h>
+#include <wire/wire.h>
 
 /* AUTOGENERATED MOCKS START */
+/* Generated stub for fromwire_fail */
+const void *fromwire_fail(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
+{ fprintf(stderr, "fromwire_fail called!\n"); abort(); }
 /* Generated stub for node_id_from_hexstr */
 bool node_id_from_hexstr(const char *str UNNEEDED, size_t slen UNNEEDED, struct node_id *id UNNEEDED)
 { fprintf(stderr, "node_id_from_hexstr called!\n"); abort(); }

common/test/run-json_remove.c

@@ -1,8 +1,12 @@
 #include "config.h"
 #include <common/utils.h>
 #include <common/json.c>
+#include <wire/wire.h>
 
 /* AUTOGENERATED MOCKS START */
+/* Generated stub for fromwire_fail */
+const void *fromwire_fail(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
+{ fprintf(stderr, "fromwire_fail called!\n"); abort(); }
 /* AUTOGENERATED MOCKS END */
 
 struct json {

common/test/run-key_derive.c

@@ -4,9 +4,16 @@
 #include <ccan/str/hex/hex.h>
 #include <common/utils.h>
 #include <stdio.h>
+#include <wire/wire.h>
 #include "../type_to_string.c"
 #include "../key_derive.c"
 
+/* AUTOGENERATED MOCKS START */
+/* Generated stub for fromwire_fail */
+const void *fromwire_fail(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
+{ fprintf(stderr, "fromwire_fail called!\n"); abort(); }
+/* AUTOGENERATED MOCKS END */
+
 static struct secret secret_from_hex(const char *hex)
 {
 	struct secret s;

common/test/run-lock.c

@@ -5,8 +5,12 @@
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <stdio.h>
+#include <wire/wire.h>
 
 /* AUTOGENERATED MOCKS START */
+/* Generated stub for fromwire_fail */
+const void *fromwire_fail(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
+{ fprintf(stderr, "fromwire_fail called!\n"); abort(); }
 /* AUTOGENERATED MOCKS END */
 
 #define num_writers 10

common/test/run-param.c

@@ -9,6 +9,7 @@
 #include <setjmp.h>
 #include <signal.h>
 #include <unistd.h>
+#include <wire/wire.h>
 
 char *fail_msg = NULL;
 bool failed = false;
@@ -38,6 +39,9 @@ struct command_result *command_fail(struct command *cmd,
 }
 
 /* AUTOGENERATED MOCKS START */
+/* Generated stub for fromwire_fail */
+const void *fromwire_fail(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
+{ fprintf(stderr, "fromwire_fail called!\n"); abort(); }
 /* AUTOGENERATED MOCKS END */
 
 /* We do this lightningd-style: */

common/test/run-sphinx.c

@@ -18,6 +18,9 @@ const u8 *fromwire(const u8 **cursor UNNEEDED, size_t *max UNNEEDED, void *copy
 /* Generated stub for fromwire_amount_msat */
 struct amount_msat fromwire_amount_msat(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
 { fprintf(stderr, "fromwire_amount_msat called!\n"); abort(); }
+/* Generated stub for fromwire_fail */
+const void *fromwire_fail(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
+{ fprintf(stderr, "fromwire_fail called!\n"); abort(); }
 /* Generated stub for fromwire_pad */
 void fromwire_pad(const u8 **cursor UNNEEDED, size_t *max UNNEEDED, size_t num UNNEEDED)
 { fprintf(stderr, "fromwire_pad called!\n"); abort(); }

connectd/test/run-initiator-success.c

@@ -7,8 +7,12 @@
 #include <ccan/err/err.h>
 #include <ccan/io/io.h>
 #include <common/status.h>
+#include <wire/wire.h>
 
 /* AUTOGENERATED MOCKS START */
+/* Generated stub for fromwire_fail */
+const void *fromwire_fail(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
+{ fprintf(stderr, "fromwire_fail called!\n"); abort(); }
 /* AUTOGENERATED MOCKS END */
 
 /* No randomness please, we want to replicate test vectors. */

connectd/test/run-responder-success.c

@@ -7,8 +7,12 @@
 #include <ccan/err/err.h>
 #include <ccan/io/io.h>
 #include <common/status.h>
+#include <wire/wire.h>
 
 /* AUTOGENERATED MOCKS START */
+/* Generated stub for fromwire_fail */
+const void *fromwire_fail(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
+{ fprintf(stderr, "fromwire_fail called!\n"); abort(); }
 /* AUTOGENERATED MOCKS END */
 
 /* No randomness please, we want to replicate test vectors. */

gossipd/test/run-bench-find_route.c

@@ -35,6 +35,9 @@ bool fromwire_channel_update(const void *p UNNEEDED, secp256k1_ecdsa_signature *
 /* Generated stub for fromwire_channel_update_option_channel_htlc_max */
 bool fromwire_channel_update_option_channel_htlc_max(const void *p UNNEEDED, secp256k1_ecdsa_signature *signature UNNEEDED, struct bitcoin_blkid *chain_hash UNNEEDED, struct short_channel_id *short_channel_id UNNEEDED, u32 *timestamp UNNEEDED, u8 *message_flags UNNEEDED, u8 *channel_flags UNNEEDED, u16 *cltv_expiry_delta UNNEEDED, struct amount_msat *htlc_minimum_msat UNNEEDED, u32 *fee_base_msat UNNEEDED, u32 *fee_proportional_millionths UNNEEDED, struct amount_msat *htlc_maximum_msat UNNEEDED)
 { fprintf(stderr, "fromwire_channel_update_option_channel_htlc_max called!\n"); abort(); }
+/* Generated stub for fromwire_fail */
+const void *fromwire_fail(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
+{ fprintf(stderr, "fromwire_fail called!\n"); abort(); }
 /* Generated stub for fromwire_gossipd_local_add_channel */
 bool fromwire_gossipd_local_add_channel(const void *p UNNEEDED, struct short_channel_id *short_channel_id UNNEEDED, struct node_id *remote_node_id UNNEEDED, struct amount_sat *satoshis UNNEEDED)
 { fprintf(stderr, "fromwire_gossipd_local_add_channel called!\n"); abort(); }

gossipd/test/run-find_route-specific.c

@@ -24,6 +24,9 @@ bool fromwire_channel_update(const void *p UNNEEDED, secp256k1_ecdsa_signature *
 /* Generated stub for fromwire_channel_update_option_channel_htlc_max */
 bool fromwire_channel_update_option_channel_htlc_max(const void *p UNNEEDED, secp256k1_ecdsa_signature *signature UNNEEDED, struct bitcoin_blkid *chain_hash UNNEEDED, struct short_channel_id *short_channel_id UNNEEDED, u32 *timestamp UNNEEDED, u8 *message_flags UNNEEDED, u8 *channel_flags UNNEEDED, u16 *cltv_expiry_delta UNNEEDED, struct amount_msat *htlc_minimum_msat UNNEEDED, u32 *fee_base_msat UNNEEDED, u32 *fee_proportional_millionths UNNEEDED, struct amount_msat *htlc_maximum_msat UNNEEDED)
 { fprintf(stderr, "fromwire_channel_update_option_channel_htlc_max called!\n"); abort(); }
+/* Generated stub for fromwire_fail */
+const void *fromwire_fail(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
+{ fprintf(stderr, "fromwire_fail called!\n"); abort(); }
 /* Generated stub for fromwire_gossipd_local_add_channel */
 bool fromwire_gossipd_local_add_channel(const void *p UNNEEDED, struct short_channel_id *short_channel_id UNNEEDED, struct node_id *remote_node_id UNNEEDED, struct amount_sat *satoshis UNNEEDED)
 { fprintf(stderr, "fromwire_gossipd_local_add_channel called!\n"); abort(); }

gossipd/test/run-find_route.c

@@ -22,6 +22,9 @@ bool fromwire_channel_update(const void *p UNNEEDED, secp256k1_ecdsa_signature *
 /* Generated stub for fromwire_channel_update_option_channel_htlc_max */
 bool fromwire_channel_update_option_channel_htlc_max(const void *p UNNEEDED, secp256k1_ecdsa_signature *signature UNNEEDED, struct bitcoin_blkid *chain_hash UNNEEDED, struct short_channel_id *short_channel_id UNNEEDED, u32 *timestamp UNNEEDED, u8 *message_flags UNNEEDED, u8 *channel_flags UNNEEDED, u16 *cltv_expiry_delta UNNEEDED, struct amount_msat *htlc_minimum_msat UNNEEDED, u32 *fee_base_msat UNNEEDED, u32 *fee_proportional_millionths UNNEEDED, struct amount_msat *htlc_maximum_msat UNNEEDED)
 { fprintf(stderr, "fromwire_channel_update_option_channel_htlc_max called!\n"); abort(); }
+/* Generated stub for fromwire_fail */
+const void *fromwire_fail(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
+{ fprintf(stderr, "fromwire_fail called!\n"); abort(); }
 /* Generated stub for fromwire_gossipd_local_add_channel */
 bool fromwire_gossipd_local_add_channel(const void *p UNNEEDED, struct short_channel_id *short_channel_id UNNEEDED, struct node_id *remote_node_id UNNEEDED, struct amount_sat *satoshis UNNEEDED)
 { fprintf(stderr, "fromwire_gossipd_local_add_channel called!\n"); abort(); }

gossipd/test/run-overlong.c

@@ -22,6 +22,9 @@ bool fromwire_channel_update(const void *p UNNEEDED, secp256k1_ecdsa_signature *
 /* Generated stub for fromwire_channel_update_option_channel_htlc_max */
 bool fromwire_channel_update_option_channel_htlc_max(const void *p UNNEEDED, secp256k1_ecdsa_signature *signature UNNEEDED, struct bitcoin_blkid *chain_hash UNNEEDED, struct short_channel_id *short_channel_id UNNEEDED, u32 *timestamp UNNEEDED, u8 *message_flags UNNEEDED, u8 *channel_flags UNNEEDED, u16 *cltv_expiry_delta UNNEEDED, struct amount_msat *htlc_minimum_msat UNNEEDED, u32 *fee_base_msat UNNEEDED, u32 *fee_proportional_millionths UNNEEDED, struct amount_msat *htlc_maximum_msat UNNEEDED)
 { fprintf(stderr, "fromwire_channel_update_option_channel_htlc_max called!\n"); abort(); }
+/* Generated stub for fromwire_fail */
+const void *fromwire_fail(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
+{ fprintf(stderr, "fromwire_fail called!\n"); abort(); }
 /* Generated stub for fromwire_gossipd_local_add_channel */
 bool fromwire_gossipd_local_add_channel(const void *p UNNEEDED, struct short_channel_id *short_channel_id UNNEEDED, struct node_id *remote_node_id UNNEEDED, struct amount_sat *satoshis UNNEEDED)
 { fprintf(stderr, "fromwire_gossipd_local_add_channel called!\n"); abort(); }

lightningd/test/run-jsonrpc.c

@@ -85,9 +85,6 @@ struct command_result *param_tok(struct command *cmd UNNEEDED, const char *name
 				 const char *buffer UNNEEDED, const jsmntok_t * tok UNNEEDED,
 				 const jsmntok_t **out UNNEEDED)
 { fprintf(stderr, "param_tok called!\n"); abort(); }
-/* Generated stub for send_backtrace */
-void send_backtrace(const char *why UNNEEDED)
-{ fprintf(stderr, "send_backtrace called!\n"); abort(); }
 /* AUTOGENERATED MOCKS END */
 
 bool deprecated_apis;

onchaind/test/run-grind_feerate.c

@@ -24,6 +24,9 @@ bool derive_keyset(const struct pubkey *per_commitment_point UNNEEDED,
 		   const struct basepoints *other UNNEEDED,
 		   struct keyset *keyset UNNEEDED)
 { fprintf(stderr, "derive_keyset called!\n"); abort(); }
+/* Generated stub for fromwire_fail */
+const void *fromwire_fail(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
+{ fprintf(stderr, "fromwire_fail called!\n"); abort(); }
 /* Generated stub for fromwire_hsm_get_per_commitment_point_reply */
 bool fromwire_hsm_get_per_commitment_point_reply(const tal_t *ctx UNNEEDED, const void *p UNNEEDED, struct pubkey *per_commitment_point UNNEEDED, struct secret **old_commitment_secret UNNEEDED)
 { fprintf(stderr, "fromwire_hsm_get_per_commitment_point_reply called!\n"); abort(); }