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test-cli/update-channel-htlc-remove: new util.

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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2015-08-07 12:46:59 +09:30
parent 9b0ed51f2b
commit b5ff69e236
5 changed files with 87 additions and 2 deletions
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2
test-cli/.gitignore vendored
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@@ -19,3 +19,5 @@ txid-of
create-anchor-tx
update-channel-htlc
update-channel-htlc-complete
update-channel-htlc-remove

61
test-cli/update-channel-htlc-remove.c Normal file
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@@ -0,0 +1,61 @@
#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 "protobuf_convert.h"
#include <unistd.h>
int main(int argc, char *argv[])
{
const tal_t *ctx = tal_arr(NULL, char, 0);
struct sha256 seed, htlc_rhash, revocation_hash;
struct pkt *pkt;
unsigned update_num;
UpdateAddHtlc *u;
err_set_progname(argv[0]);
opt_register_noarg("--help|-h", opt_usage_and_exit,
"<seed> <update-number> <update-pkt>\n"
"Create a new HTLC remove message",
"Print this message.");
opt_parse(&argc, argv, opt_log_stderr_exit);
if (argc != 4)
opt_usage_exit_fail("Expected 3 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]);
u = pkt_from_file(argv[3], PKT__PKT_UPDATE_ADD_HTLC)->update_add_htlc;
proto_to_sha256(u->r_hash, &htlc_rhash);
/* 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_htlc_remove_pkt(ctx, &revocation_hash, &htlc_rhash);
if (!write_all(STDOUT_FILENO, pkt, pkt_totlen(pkt)))
err(1, "Writing out packet");
tal_free(ctx);
return 0;
}