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Add check-commit-sig.

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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2015-06-02 13:40:00 +09:30
parent 316f29cb69
commit c291d19af6
6 changed files with 247 additions and 17 deletions
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30
bitcoin_script.c
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@@ -165,6 +165,23 @@ u8 *scriptsig_pay_to_pubkeyhash(const tal_t *ctx,
return script;
}
u8 *scriptsig_p2sh_2of2(const tal_t *ctx,
const struct signature *sig1,
const struct signature *sig2,
const struct pubkey *key1,
const struct pubkey *key2)
{
u8 *script = tal_arr(ctx, u8, 0);
u8 *redeemscript;
add_push_sig(&script, sig1);
add_push_sig(&script, sig2);
redeemscript = bitcoin_redeem_2of2(script, key1, key2);
add_push_bytes(&script, redeemscript, tal_count(redeemscript));
return script;
}
/* Is this a normal pay to pubkey hash? */
bool is_pay_to_pubkey_hash(const u8 *script, size_t script_len)
{
@@ -183,6 +200,19 @@ bool is_pay_to_pubkey_hash(const u8 *script, size_t script_len)
return true;
}
bool is_p2sh(const u8 *script, size_t script_len)
{
if (script_len != 23)
return false;
if (script[0] != OP_HASH160)
return false;
if (script[1] != OP_PUSHBYTES(20))
return false;
if (script[22] != OP_EQUAL)
return false;
return true;
}
/* One of:
* mysig and theirsig, OR
* mysig and relative locktime passed, OR