common: add pico-BTC parsing test from proposed BOLT.

See-also: lightning/bolts#699
Signed-off-by: Rusty Russell <[email protected]>

Author: rustyrussell

common/test/run-bolt11.c

@@ -5,42 +5,21 @@
 #include "../features.c"
 #include "../node_id.c"
 #include "../hash_u5.c"
+#include "../wire/fromwire.c"
+#include "../wire/towire.c"
 #include <ccan/err/err.h>
 #include <ccan/mem/mem.h>
 #include <ccan/str/hex/hex.h>
 #include <stdio.h>
 #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(); }
-/* Generated stub for fromwire_short_channel_id */
-void fromwire_short_channel_id(const u8 **cursor UNNEEDED, size_t *max UNNEEDED,
-			       struct short_channel_id *short_channel_id UNNEEDED)
-{ fprintf(stderr, "fromwire_short_channel_id called!\n"); abort(); }
-/* Generated stub for fromwire_u16 */
-u16 fromwire_u16(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
-{ fprintf(stderr, "fromwire_u16 called!\n"); abort(); }
-/* Generated stub for fromwire_u32 */
-u32 fromwire_u32(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
-{ fprintf(stderr, "fromwire_u32 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_short_channel_id */
-void towire_short_channel_id(u8 **pptr UNNEEDED,
-			     const struct short_channel_id *short_channel_id UNNEEDED)
-{ fprintf(stderr, "towire_short_channel_id called!\n"); abort(); }
-/* Generated stub for towire_u16 */
-void towire_u16(u8 **pptr UNNEEDED, u16 v UNNEEDED)
-{ fprintf(stderr, "towire_u16 called!\n"); abort(); }
-/* Generated stub for towire_u32 */
-void towire_u32(u8 **pptr UNNEEDED, u32 v UNNEEDED)
-{ fprintf(stderr, "towire_u32 called!\n"); abort(); }
+/* Generated stub for bigsize_get */
+size_t bigsize_get(const u8 *p UNNEEDED, size_t max UNNEEDED, bigsize_t *val UNNEEDED)
+{ fprintf(stderr, "bigsize_get called!\n"); abort(); }
+/* Generated stub for bigsize_put */
+size_t bigsize_put(u8 buf[BIGSIZE_MAX_LEN] UNNEEDED, bigsize_t v UNNEEDED)
+{ fprintf(stderr, "bigsize_put called!\n"); abort(); }
 /* Generated stub for type_to_string_ */
 const char *type_to_string_(const tal_t *ctx UNNEEDED, const char *typename UNNEEDED,
 			    union printable_types u UNNEEDED)
@@ -386,6 +365,64 @@ int main(void)
 	assert(!bolt11_decode(tmpctx, badstr, NULL, &fail));
 	assert(streq(fail, "9: unknown feature bit 100"));
 
+	/* BOLT-1fbccd30bb503203e4a255de67f9adb504563425 #11:
+	 *
+	 * > ### Please send 0.00967878534 BTC for a list of items within one week, amount in pico-BTC
+	 * > lnbc9678785340p1pwmna7lpp5gc3xfm08u9qy06djf8dfflhugl6p7lgza6dsjxq454gxhj9t7a0sd8dgfkx7cmtwd68yetpd5s9xar0wfjn5gpc8qhrsdfq24f5ggrxdaezqsnvda3kkum5wfjkzmfqf3jkgem9wgsyuctwdus9xgrcyqcjcgpzgfskx6eqf9hzqnteypzxz7fzypfhg6trddjhygrcyqezcgpzfysywmm5ypxxjemgw3hxjmn8yptk7untd9hxwg3q2d6xjcmtv4ezq7pqxgsxzmnyyqcjqmt0wfjjq6t5v4khxxqyjw5qcqp2rzjq0gxwkzc8w6323m55m4jyxcjwmy7stt9hwkwe2qxmy8zpsgg7jcuwz87fcqqeuqqqyqqqqlgqqqqn3qq9qn07ytgrxxzad9hc4xt3mawjjt8znfv8xzscs7007v9gh9j569lencxa8xeujzkxs0uamak9aln6ez02uunw6rd2ht2sqe4hz8thcdagpleym0j
+	 *
+	 * Breakdown:
+	 *
+	 * * `lnbc`: prefix, Lightning on bitcoin mainnet
+	 * * `9678785340p`: amount (9678785340 pico-bitcoin = 967878534 milli satoshi)
+	 * * `1`: Bech32 separator
+	 * * `pwmna7l`: timestamp (1572468703)
+	 * * `p`: payment hash.
+	 *   * `p5`: `data_length` (`p` = 1, `5` = 20; 1 * 32 + 20 == 52)
+	 *   * `gc3xfm08u9qy06djf8dfflhugl6p7lgza6dsjxq454gxhj9t7a0s`: payment hash 462264ede7e14047e9b249da94fefc47f41f7d02ee9b091815a5506bc8abf75f
+	 * * `d`: short description
+	 *   * `8d`: `data_length` (`8` = 7, `d` = 13; 7 * 32 + 13 == 237)
+	 *   * `gfkx7cmtwd68yetpd5s9xar0wfjn5gpc8qhrsdfq24f5ggrxdaezqsnvda3kkum5wfjkzmfqf3jkgem9wgsyuctwdus9xgrcyqcjcgpzgfskx6eqf9hzqnteypzxz7fzypfhg6trddjhygrcyqezcgpzfysywmm5ypxxjemgw3hxjmn8yptk7untd9hxwg3q2d6xjcmtv4ezq7pqxgsxzmnyyqcjqmt0wfjjq6t5v4khx`: 'Blockstream Store: 88.85 USD for Blockstream Ledger Nano S x 1, \"Back In My Day\" Sticker x 2, \"I Got Lightning Working\" Sticker x 2 and 1 more items'
+	 * * `x`: expiry time
+	 *   * `qy`: `data_length` (`q` = 0, `y` = 2; 0 * 32 + 4 == 4)
+	 *   * `jw5q`: 604800 seconds (`j` = 18, `w` = 14, `5` = 20, `q` = 0; 18 * 32^3 + 14 * 32^2 + 20 * 32 + 0 == 604800)
+	 * * `c`: `min_final_cltv_expiry`
+	 *   * `qp`: `data_length` (`q` = 0, `p` = 1; 0 * 32 + 1 == 1)
+	 *   * `2`: min_final_cltv_expiry = 10
+	 * * `r`: tagged field: route information
+	 *   * `zj`: `data_length` (`z` = 2, `j` = 18; 2 * 32 + 18 == 82)
+	 *   * `q0gxwkzc8w6323m55m4jyxcjwmy7stt9hwkwe2qxmy8zpsgg7jcuwz87fcqqeuqqqyqqqqlgqqqqn3qq9q`:
+	 *     * pubkey: 03d06758583bb5154774a6eb221b1276c9e82d65bbaceca806d90e20c108f4b1c7
+	 *     * short_channel_id: 589390x3312x1
+	 *     * fee_base_msat = 1000
+	 *     * fee_proportional_millionths = 2500
+	 *     * cltv_expiry_delta = 40
+	 * * `n07ytgrxxzad9hc4xt3mawjjt8znfv8xzscs7007v9gh9j569lencxa8xeujzkxs0uamak9aln6ez02uunw6rd2ht2sqe4hz8thcdagp`: signature
+	 * * `leym0j`: Bech32 checksum
+	 */
+	msatoshi = AMOUNT_MSAT(967878534);
+	b11 = new_bolt11(tmpctx, &msatoshi);
+	b11->chain = chainparams_for_network("bitcoin");
+	b11->timestamp = 1572468703;
+	b11->expiry = 604800;
+	b11->min_final_cltv_expiry = 10;
+	if (!hex_decode("462264ede7e14047e9b249da94fefc47f41f7d02ee9b091815a5506bc8abf75f",
+			strlen("462264ede7e14047e9b249da94fefc47f41f7d02ee9b091815a5506bc8abf75f"),
+			&b11->payment_hash, sizeof(b11->payment_hash)))
+		abort();
+	b11->receiver_id = node;
+	b11->description = "Blockstream Store: 88.85 USD for Blockstream Ledger Nano S x 1, \"Back In My Day\" Sticker x 2, \"I Got Lightning Working\" Sticker x 2 and 1 more items";
+	b11->routes = tal_arr(tmpctx, struct route_info *, 1);
+	b11->routes[0] = tal(b11->routes, struct route_info);
+	if (!node_id_from_hexstr("03d06758583bb5154774a6eb221b1276c9e82d65bbaceca806d90e20c108f4b1c7", strlen("03d06758583bb5154774a6eb221b1276c9e82d65bbaceca806d90e20c108f4b1c7"), &b11->routes[0]->pubkey))
+		abort();
+	if (!short_channel_id_from_str("589390x3312x1", strlen("589390x3312x1"),
+				       &b11->routes[0]->short_channel_id))
+		abort();
+	b11->routes[0]->fee_base_msat = 1000;
+	b11->routes[0]->fee_proportional_millionths = 2500;
+	b11->routes[0]->cltv_expiry_delta = 40;
+	test_b11("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", b11, NULL);
+
 	/* FIXME: Test the others! */
 	wally_cleanup(0);
 	tal_free(tmpctx);