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scriptsig_p2sh_2of2: fix sig order.

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Must match key order, which we permute.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2015-06-10 21:36:37 +09:30
parent ed3f0115d6
commit 975a5b2041
1 changed files with 8 additions and 3 deletions
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11
bitcoin_script.c
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@ -293,9 +293,14 @@ u8 *scriptsig_p2sh_2of2(const tal_t *ctx,
/* OP_CHECKMULTISIG has an out-by-one bug, which MBZ */
add_number(&script, 0);
add_push_sig(&script, sig1);
add_push_sig(&script, sig2);
/* sig order should match key order. */
if (key_less(key1, key2)) {
add_push_sig(&script, sig1);
add_push_sig(&script, sig2);
} else {
add_push_sig(&script, sig2);
add_push_sig(&script, sig1);
}
redeemscript = bitcoin_redeem_2of2(script, key1, key2);
add_push_bytes(&script, redeemscript, tal_count(redeemscript));
return script;