Add initial settlement tx testing stub

channeld/test/Makefile

@@ -17,6 +17,7 @@ CHANNELD_TEST_COMMON_OBJS :=			\
 	common/htlc_trim.o			\
 	common/htlc_tx.o			\
 	common/initial_commit_tx.o		\
+	common/initial_settlement_tx.o		\
 	common/key_derive.o			\
 	common/msg_queue.o			\
 	common/permute_tx.o			\

channeld/test/run-settle_tx.c

@@ -0,0 +1,128 @@
+#include "config.h"
+#include <inttypes.h>
+#include <stdio.h>
+#include <common/type_to_string.h>
+static bool print_superverbose;
+#define SUPERVERBOSE(...)					\
+	do { if (print_superverbose) printf(__VA_ARGS__); } while(0)
+#define PRINT_ACTUAL_FEE
+#include "../commit_tx.c"
+#include <bitcoin/preimage.h>
+#include <ccan/array_size/array_size.h>
+#include <ccan/err/err.h>
+#include <ccan/str/hex/hex.h>
+#include <common/channel_id.h>
+#include <common/key_derive.h>
+#include <common/setup.h>
+#include <common/status.h>
+
+/* Turn this on to brute-force fee values */
+/*#define DEBUG */
+
+/* AUTOGENERATED MOCKS START */
+/* Generated stub for fromwire_bigsize */
+bigsize_t fromwire_bigsize(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
+{ fprintf(stderr, "fromwire_bigsize called!\n"); abort(); }
+/* Generated stub for fromwire_channel_id */
+bool fromwire_channel_id(const u8 **cursor UNNEEDED, size_t *max UNNEEDED,
+			 struct channel_id *channel_id UNNEEDED)
+{ fprintf(stderr, "fromwire_channel_id 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(); }
+/* Generated stub for fromwire_wireaddr */
+bool fromwire_wireaddr(const u8 **cursor UNNEEDED, size_t *max UNNEEDED, struct wireaddr *addr UNNEEDED)
+{ fprintf(stderr, "fromwire_wireaddr called!\n"); abort(); }
+/* Generated stub for status_fmt */
+void status_fmt(enum log_level level UNNEEDED,
+		const struct node_id *peer UNNEEDED,
+		const char *fmt UNNEEDED, ...)
+
+{ fprintf(stderr, "status_fmt called!\n"); abort(); }
+/* Generated stub for towire_bigsize */
+void towire_bigsize(u8 **pptr UNNEEDED, const bigsize_t val UNNEEDED)
+{ fprintf(stderr, "towire_bigsize called!\n"); abort(); }
+/* Generated stub for towire_channel_id */
+void towire_channel_id(u8 **pptr UNNEEDED, const struct channel_id *channel_id UNNEEDED)
+{ fprintf(stderr, "towire_channel_id called!\n"); abort(); }
+/* Generated stub for towire_node_id */
+void towire_node_id(u8 **pptr UNNEEDED, const struct node_id *id UNNEEDED)
+{ fprintf(stderr, "towire_node_id called!\n"); abort(); }
+/* Generated stub for towire_wireaddr */
+void towire_wireaddr(u8 **pptr UNNEEDED, const struct wireaddr *addr UNNEEDED)
+{ fprintf(stderr, "towire_wireaddr called!\n"); abort(); }
+/* AUTOGENERATED MOCKS END */
+
+/* bitcoind loves its backwards txids! */
+static struct bitcoin_txid txid_from_hex(const char *hex)
+{
+	struct bitcoin_txid txid;
+
+	if (!bitcoin_txid_from_hex(hex, strlen(hex), &txid))
+		abort();
+	return txid;
+}
+
+static struct secret secret_from_hex(const char *hex)
+{
+	struct secret s;
+	size_t len;
+	if (strstarts(hex, "0x"))
+		hex += 2;
+	len = strlen(hex);
+	/* BOLT #3:
+	 *
+	 * - Private keys are displayed as 32 bytes plus a trailing 1
+	 *   (Bitcoin's convention for "compressed" private keys, i.e. keys
+	 *   for which the public key is compressed).
+	 */
+	if (len == 66 && strends(hex, "01"))
+		len -= 2;
+	if (!hex_decode(hex, len, &s, sizeof(s)))
+		abort();
+	return s;
+}
+
+static void tx_must_be_eq(const struct bitcoin_tx *a,
+			  const struct bitcoin_tx *b)
+{
+	u8 *lina, *linb;
+	size_t i;
+
+	lina = linearize_tx(tmpctx, a);
+	linb = linearize_tx(tmpctx, b);
+
+	for (i = 0; i < tal_count(lina); i++) {
+		if (i >= tal_count(linb))
+			errx(1, "Second tx is truncated:\n"
+			     "%s\n"
+			     "%s",
+			     tal_hex(tmpctx, lina),
+			     tal_hex(tmpctx, linb));
+		if (lina[i] != linb[i])
+			errx(1, "tx differ at offset %zu:\n"
+			     "%s\n"
+			     "%s",
+			     i,
+			     tal_hex(tmpctx, lina),
+			     tal_hex(tmpctx, linb));
+	}
+	if (i != tal_count(linb))
+		errx(1, "First tx is truncated:\n"
+		     "%s\n"
+		     "%s",
+		     tal_hex(tmpctx, lina),
+		     tal_hex(tmpctx, linb));
+}
+
+int main(int argc, const char *argv[])
+{
+	common_setup(argv[0]);
+    tx_must_be_eq(NULL, NULL);
+    secret_from_hex(NULL);
+    txid_from_hex(NULL);
+	common_shutdown();
+
+	/* FIXME: Do BOLT comparison! */
+	return 0;
+}