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get-anchor-depth: simple helper to get min_confirms from OpenChannel packet

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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2015-06-05 11:09:29 +09:30
parent 33bbd38691
commit 0742e5356f
2 changed files with 48 additions and 1 deletions
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2
Makefile
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@ -3,7 +3,7 @@
# Needs to have oneof support: Ubuntu vivid's is too old :( # Needs to have oneof support: Ubuntu vivid's is too old :(
PROTOCC:=protoc-c PROTOCC:=protoc-c
PROGRAMS := open-channel open-anchor-scriptsigs leak-anchor-sigs open-commit-sig check-commit-sig check-anchor-scriptsigs PROGRAMS := open-channel open-anchor-scriptsigs leak-anchor-sigs open-commit-sig check-commit-sig check-anchor-scriptsigs get-anchor-depth
HELPER_OBJS := base58.o lightning.pb-c.o shadouble.o pkt.o bitcoin_script.o permute_tx.o signature.o bitcoin_tx.o bitcoin_address.o anchor.o commit_tx.o pubkey.o HELPER_OBJS := base58.o lightning.pb-c.o shadouble.o pkt.o bitcoin_script.o permute_tx.o signature.o bitcoin_tx.o bitcoin_address.o anchor.o commit_tx.o pubkey.o

47
get-anchor-depth.c Normal file
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@ -0,0 +1,47 @@
/* 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;
}