74 lines
2.1 KiB
C
74 lines
2.1 KiB
C
#include <ccan/crypto/shachain/shachain.h>
|
|
#include <ccan/short_types/short_types.h>
|
|
#include <ccan/tal/tal.h>
|
|
#include <ccan/opt/opt.h>
|
|
#include <ccan/str/hex/hex.h>
|
|
#include <ccan/err/err.h>
|
|
#include <ccan/read_write_all/read_write_all.h>
|
|
#include "lightning.pb-c.h"
|
|
#include "bitcoin/base58.h"
|
|
#include "pkt.h"
|
|
#include "bitcoin/script.h"
|
|
#include "permute_tx.h"
|
|
#include "bitcoin/signature.h"
|
|
#include "commit_tx.h"
|
|
#include "bitcoin/pubkey.h"
|
|
#include "find_p2sh_out.h"
|
|
#include "version.h"
|
|
#include <unistd.h>
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
const tal_t *ctx = tal_arr(NULL, char, 0);
|
|
struct sha256 seed, revocation_hash;
|
|
struct pkt *pkt;
|
|
unsigned long long to_them = 0, from_them = 0;
|
|
int64_t this_delta;
|
|
unsigned update_num;
|
|
|
|
err_set_progname(argv[0]);
|
|
|
|
opt_register_noarg("--help|-h", opt_usage_and_exit,
|
|
"<seed> <update-number>\n"
|
|
"Create a new update message",
|
|
"Print this message.");
|
|
opt_register_arg("--to-them=<satoshi>",
|
|
opt_set_ulonglongval_si, NULL, &to_them,
|
|
"Amount to pay them (must use this or --from-them)");
|
|
opt_register_arg("--from-them=<satoshi>",
|
|
opt_set_ulonglongval_si, NULL, &from_them,
|
|
"Amount to pay us (must use this or --to-them)");
|
|
opt_register_version();
|
|
|
|
opt_parse(&argc, argv, opt_log_stderr_exit);
|
|
|
|
if (!from_them && !to_them)
|
|
opt_usage_exit_fail("Must use --to-them or --from-them");
|
|
|
|
if (argc != 3)
|
|
opt_usage_exit_fail("Expected 2 arguments");
|
|
|
|
if (!hex_decode(argv[1], strlen(argv[1]), &seed, sizeof(seed)))
|
|
errx(1, "Invalid seed '%s' - need 256 hex bits", argv[1]);
|
|
update_num = atoi(argv[2]);
|
|
if (!update_num)
|
|
errx(1, "Update number %s invalid", argv[2]);
|
|
|
|
this_delta = from_them - to_them;
|
|
if (!this_delta)
|
|
errx(1, "Delta must not be zero");
|
|
|
|
/* Get next revocation hash. */
|
|
shachain_from_seed(&seed, update_num, &revocation_hash);
|
|
sha256(&revocation_hash,
|
|
revocation_hash.u.u8, sizeof(revocation_hash.u.u8));
|
|
|
|
pkt = update_pkt(ctx, &revocation_hash, this_delta);
|
|
if (!write_all(STDOUT_FILENO, pkt, pkt_totlen(pkt)))
|
|
err(1, "Writing out packet");
|
|
|
|
tal_free(ctx);
|
|
return 0;
|
|
}
|
|
|