core-lightning/common/shutdown_scriptpubkey.h
Rusty Russell 66bde4bd9f lightningd: only allow closing to native segwit
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Removed: JSON-RPC: `close` `destination` no longer allows p2pkh or p2sh addresses (deprecated v0.11.0)
2022-12-13 08:28:12 +10:30

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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_0` `20` 20-bytes (version 0 pay to witness pubkey hash), OR
* 2. `OP_0` `32` 32-bytes (version 0 pay to witness script hash), OR
* 3. 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 send a `warning`
*/
/* We still allow them to specify an old-style P2PKH or P2SH (though we
* never will send such a thing!) if they're not using anchors. */
bool valid_shutdown_scriptpubkey(const u8 *scriptpubkey,
bool anysegwit,
bool allow_oldstyle);
#endif /* LIGHTNING_COMMON_SHUTDOWN_SCRIPTPUBKEY_H */