core-lightning/devtools/decodemsg.c
Rusty Russell 01c02fd617 devtools/decodemsg: decode encoded_short_ids.
$ devtools/decodemsg 010806226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f000000000000ffff0100160178da6360486760606400824c285d00a60111710144
$ devtools/decodemsg 010506226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f00110000006700000100000000690000010000

Before:
    WIRE_REPLY_CHANNEL_RANGE:
    chain_hash=0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206
    first_blocknum=0
    number_of_blocks=65535
    complete=1
    encoded_short_ids=[0178da6360486760606400824c285d00a60111710144]
    WIRE_QUERY_SHORT_CHANNEL_IDS:
    chain_hash=0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206
    encoded_short_ids=[0000006700000100000000690000010000]

After:

    WIRE_REPLY_CHANNEL_RANGE:
    chain_hash=0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206
    first_blocknum=0
    number_of_blocks=65535
    complete=1
    encoded_short_ids=[ (ZLIB) 103:1:0 105:1:0 112:1:0 ]
    WIRE_QUERY_SHORT_CHANNEL_IDS:
    chain_hash=0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206
    encoded_short_ids=[ (UNCOMPRESSED) 103:1:0 105:1:0 ]

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2018-07-01 14:55:29 +02:00

29 lines
508 B
C

#include <ccan/err/err.h>
#include <common/decode_short_channel_ids.h>
#include <common/utils.h>
#include <devtools/gen_print_wire.h>
#include <stdio.h>
static void usage(void)
{
fprintf(stderr, "Usage: decodemsg <msg-in-hex>\n");
exit(1);
}
int main(int argc, char *argv[])
{
const u8 *m;
setup_locale();
if (argc != 2)
usage();
/* Last arg is hex string */
m = tal_hexdata(NULL, argv[1], strlen(argv[1]));
if (!m)
errx(1, "'%s' is not valid hex", argv[1]);
print_message(m);
return 0;
}