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find_p2sh_out: extract helper.

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Really only for our silly little utils.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2015-06-08 15:24:10 +09:30
parent 7175d73573
commit ecb39efed1
6 changed files with 52 additions and 50 deletions
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19
create-close-tx.c
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@@ -17,6 +17,7 @@
#include "signature.h"
#include "pubkey.h"
#include "close_tx.h"
#include "find_p2sh_out.h"
#include <openssl/ec.h>
#include <unistd.h>
@@ -28,11 +29,10 @@ int main(int argc, char *argv[])
struct sha256_double anchor_txid;
struct bitcoin_signature sig1, sig2;
struct pubkey pubkey1, pubkey2;
u8 *redeemscript, *p2sh, *tx_arr;
u8 *redeemscript, *tx_arr;
char *tx_hex;
CloseChannel *close;
CloseChannelComplete *closecomplete;
size_t i;
err_set_progname(argv[0]);
@@ -64,20 +64,9 @@ int main(int argc, char *argv[])
/* This is what the anchor pays to; figure out which output. */
redeemscript = bitcoin_redeem_2of2(ctx, &pubkey1, &pubkey2);
/* This is the scriptPubKey commit tx will have */
p2sh = scriptpubkey_p2sh(ctx, redeemscript);
for (i = 0; i < anchor->output_count; i++) {
if (anchor->output[i].script_length != tal_count(p2sh))
continue;
if (memcmp(anchor->output[i].script, p2sh, tal_count(p2sh)) == 0)
break;
}
if (i == anchor->output_count)
errx(1, "No matching output in %s", argv[1]);
/* Now create the close tx to spend 2/2 output of anchor. */
close_tx = create_close_tx(ctx, o1, o2, &anchor_txid, i);
close_tx = create_close_tx(ctx, o1, o2, &anchor_txid,
find_p2sh_out(anchor, redeemscript));
/* Signatures well-formed? */
sig1.stype = sig2.stype = SIGHASH_ALL;