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devtools/bolt11-cli: simple helper to decode bolt11.
Can be extended to encode later, for example. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
Christian Decker
parent
45f5bb7fac
commit
1648eb548a
1
Makefile
1
Makefile
@ -164,6 +164,7 @@ include lightningd/Makefile
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include cli/Makefile
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include test/Makefile
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include doc/Makefile
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include devtools/Makefile
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# Git doesn't maintain timestamps, so we only regen if git says we should.
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CHANGED_FROM_GIT = [ x"`git log $@ | head -n1`" != x"`git log $< | head -n1`" -o x"`git diff $<`" != x"" ]
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1
devtools/.gitignore
vendored
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1
devtools/.gitignore
vendored
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@ -0,0 +1 @@
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bolt11-cli
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28
devtools/Makefile
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28
devtools/Makefile
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DEVTOOLS_CLI_SRC := devtools/bolt11-cli.c
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DEVTOOLS_CLI_OBJS := $(DEVTOOLS_CLI_SRC:.c=.o)
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DEVTOOLS_CLI_COMMON_OBJS := \
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common/bech32.o \
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common/bolt11.o \
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common/hash_u5.o \
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common/type_to_string.o \
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common/utils.o \
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common/version.o
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devtools-all: devtools/bolt11-cli
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devtools/bolt11-cli: $(DEVTOOLS_CLI_OBJS) $(DEVTOOLS_CLI_COMMON_OBJS) $(JSMN_OBJS) $(CCAN_OBJS) $(BITCOIN_OBJS) wire/fromwire.o wire/towire.o
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$(DEVTOOLS_CLI_OBJS): wire/wire.h
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# Make sure these depend on everything.
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ALL_PROGRAMS += devtools/bolt11-cli
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ALL_OBJS += $(DEVTOOLS_CLI_OBJS)
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check-source: $(DEVTOOLS_CLI_SRC:%=check-src-include-order/%)
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clean: devtools-clean
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devtools-clean:
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$(RM) $(DEVTOOLS_CLI_OBJS)
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167
devtools/bolt11-cli.c
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167
devtools/bolt11-cli.c
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@ -0,0 +1,167 @@
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#include <bitcoin/address.h>
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#include <bitcoin/base58.h>
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#include <bitcoin/chainparams.h>
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#include <bitcoin/script.h>
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#include <ccan/err/err.h>
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#include <ccan/opt/opt.h>
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#include <ccan/read_write_all/read_write_all.h>
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#include <ccan/str/str.h>
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#include <ccan/tal/str/str.h>
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#include <ccan/time/time.h>
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#include <common/bech32.h>
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#include <common/bolt11.h>
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#include <common/type_to_string.h>
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#include <common/version.h>
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#include <inttypes.h>
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#include <stdio.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <sys/un.h>
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#include <unistd.h>
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#define NO_ERROR 0
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#define ERROR_BAD_DECODE 1
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#define ERROR_USAGE 3
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/* Tal wrappers for opt. */
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static void *opt_allocfn(size_t size)
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{
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return tal_alloc_(NULL, size, false, false,
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TAL_LABEL("opt_allocfn", ""));
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}
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static void *tal_reallocfn(void *ptr, size_t size)
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{
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if (!ptr)
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return opt_allocfn(size);
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tal_resize_(&ptr, 1, size, false);
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return ptr;
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}
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static void tal_freefn(void *ptr)
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{
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tal_free(ptr);
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}
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static char *fmt_time(const tal_t *ctx, u64 time)
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{
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/* ctime is not sane. Take pointer, returns \n in string. */
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time_t t = time;
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const char *p = ctime(&t);
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return tal_fmt(ctx, "%.*s", (int)strcspn(p, "\n"), p);
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}
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int main(int argc, char *argv[])
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{
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const tal_t *ctx = tal(NULL, char);
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const char *method;
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struct bolt11 *b11;
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struct bolt11_field *extra;
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size_t i;
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char *fail;
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err_set_progname(argv[0]);
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secp256k1_ctx = secp256k1_context_create(SECP256K1_CONTEXT_VERIFY
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| SECP256K1_CONTEXT_SIGN);
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opt_set_alloc(opt_allocfn, tal_reallocfn, tal_freefn);
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opt_register_noarg("--help|-h", opt_usage_and_exit,
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"<decode> <bolt11>", "Show this message");
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opt_register_version();
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opt_early_parse(argc, argv, opt_log_stderr_exit);
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opt_parse(&argc, argv, opt_log_stderr_exit);
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method = argv[1];
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if (!method)
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errx(ERROR_USAGE, "Need at least one argument\n%s",
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opt_usage(argv[0], NULL));
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if (!streq(method, "decode"))
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errx(ERROR_USAGE, "Need decode argument\n%s",
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opt_usage(argv[0], NULL));
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if (!argv[2])
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errx(ERROR_USAGE, "Need argument\n%s",
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opt_usage(argv[0], NULL));
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b11 = bolt11_decode(ctx, argv[2], NULL, &fail);
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if (!b11)
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errx(ERROR_BAD_DECODE, "%s", fail);
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printf("currency: %s\n", b11->chain->bip173_name);
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printf("timestamp: %"PRIu64" (%s)\n",
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b11->timestamp, fmt_time(ctx, b11->timestamp));
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printf("expiry: %"PRIu64" (%s)\n",
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b11->expiry, fmt_time(ctx, b11->timestamp + b11->expiry));
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printf("payee: %s\n",
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type_to_string(ctx, struct pubkey, &b11->receiver_id));
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printf("payment_hash: %s\n",
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tal_hexstr(ctx, &b11->payment_hash, sizeof(b11->payment_hash)));
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if (b11->msatoshi)
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printf("msatoshi: %"PRIu64"\n", *b11->msatoshi);
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if (b11->description)
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printf("description: %s\n", b11->description);
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if (b11->description_hash)
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printf("description_hash: %s\n",
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tal_hexstr(ctx, b11->description,
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sizeof(*b11->description_hash)));
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if (tal_len(b11->fallback)) {
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struct bitcoin_address pkh;
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struct ripemd160 sh;
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struct sha256 wsh;
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printf("fallback: %s\n", tal_hex(ctx, b11->fallback));
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if (is_p2pkh(b11->fallback, &pkh)) {
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printf("fallback-P2PKH: %s\n",
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bitcoin_to_base58(ctx, b11->chain->testnet,
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&pkh));
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} else if (is_p2sh(b11->fallback, &sh)) {
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printf("fallback-P2SH: %s\n",
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p2sh_to_base58(ctx,
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b11->chain->testnet,
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&sh));
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} else if (is_p2wpkh(b11->fallback, &pkh)) {
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char out[73 + strlen(b11->chain->bip173_name)];
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if (segwit_addr_encode(out, b11->chain->bip173_name, 0,
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(const u8 *)&pkh, sizeof(pkh)))
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printf("fallback-P2WPKH: %s\n", out);
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} else if (is_p2wsh(b11->fallback, &wsh)) {
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char out[73 + strlen(b11->chain->bip173_name)];
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if (segwit_addr_encode(out, b11->chain->bip173_name, 0,
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(const u8 *)&wsh, sizeof(wsh)))
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printf("fallback-P2WSH: %s\n", out);
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}
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}
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for (i = 0; i < tal_count(b11->routes); i++) {
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printf("route: (node/chanid/fee/expirydelta) ");
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for (size_t n = 0; n < tal_count(b11->routes[i]); n++) {
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printf(" %s/%s/%"PRIu64"/%u",
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type_to_string(ctx, struct pubkey,
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&b11->routes[i][n].pubkey),
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type_to_string(ctx, struct short_channel_id,
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&b11->routes[i][n].short_channel_id),
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b11->routes[i][n].fee,
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b11->routes[i][n].cltv_expiry_delta);
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}
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printf("\n");
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}
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list_for_each(&b11->extra_fields, extra, list) {
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char *data = tal_arr(ctx, char, tal_len(extra->data)+1);
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for (i = 0; i < tal_len(extra->data); i++)
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data[i] = bech32_charset[extra->data[i]];
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data[i] = '\0';
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printf("unknown: %c %s\n", extra->tag, data);
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}
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printf("signature: %s\n",
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type_to_string(ctx, secp256k1_ecdsa_signature, &b11->sig));
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tal_free(ctx);
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return NO_ERROR;
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}
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