core-lightning/common/shutdown_scriptpubkey.h
Rusty Russell d3f370944e Makefile: update to latest spec.
This includes anysegwit and the updated HTLC tiebreak test vector.  It
also adds explicit wording for invalid per_commitment_secret (which
nicely matches our code already!).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-05-26 20:01:03 +09:30

26 lines
951 B
C

#ifndef LIGHTNING_COMMON_SHUTDOWN_SCRIPTPUBKEY_H
#define LIGHTNING_COMMON_SHUTDOWN_SCRIPTPUBKEY_H
#include "config.h"
#include <ccan/short_types/short_types.h>
/* BOLT #2:
*
* 1. `OP_DUP` `OP_HASH160` `20` 20-bytes `OP_EQUALVERIFY` `OP_CHECKSIG`
* (pay to pubkey hash), OR
* 2. `OP_HASH160` `20` 20-bytes `OP_EQUAL` (pay to script hash), OR
* 3. `OP_0` `20` 20-bytes (version 0 pay to witness pubkey hash), OR
* 4. `OP_0` `32` 32-bytes (version 0 pay to witness script hash), OR
* 5. if (and only if) `option_shutdown_anysegwit` is negotiated:
* * `OP_1` through `OP_16` inclusive, followed by a single push of 2 to 40 bytes
* (witness program versions 1 through 16)
*
* A receiving node:
*...
* - if the `scriptpubkey` is not in one of the above forms:
* - SHOULD fail the connection.
*/
bool valid_shutdown_scriptpubkey(const u8 *scriptpubkey,
bool anysegwit);
#endif /* LIGHTNING_COMMON_SHUTDOWN_SCRIPTPUBKEY_H */