/* My example:
 * while [ 0$(bitcoin-cli -testnet getrawtransaction $(cat anchor.txid) 1 | sed -n 's/.*"confirmations" : \([0-9]*\),/\1/p') -lt $(./get-anchor-depth A-open.pb) ]; do sleep 60; done
 * while [ 0$(bitcoin-cli -testnet getrawtransaction $(cat anchor.txid) 1 | sed -n 's/.*"confirmations" : \([0-9]*\),/\1/p') -lt $(./get-anchor-depth B-open.pb) ]; do sleep 60; done
 */
#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 "anchor.h"
#include "base58.h"
#include "pkt.h"
#include "bitcoin_script.h"
#include "permute_tx.h"
#include "signature.h"
#include "commit_tx.h"
#include "pubkey.h"
#include <openssl/ec.h>
#include <unistd.h>

int main(int argc, char *argv[])
{
	const tal_t *ctx = tal_arr(NULL, char, 0);
	OpenChannel *o;

	err_set_progname(argv[0]);

	opt_register_noarg("--help|-h", opt_usage_and_exit,
			   "<open-channel-file>\n"
			   "Prints anchor depth as contained in OpenChannel message",
			   "Print this message.");

 	opt_parse(&argc, argv, opt_log_stderr_exit);

	if (argc != 2)
		opt_usage_exit_fail("Expected one argument");

	o = pkt_from_file(argv[1], PKT__PKT_OPEN)->open;
	printf("%u\n", o->anchor->min_confirms);

	tal_free(ctx);
	return 0;
}