core-lightning/common/ping.h
Rusty Russell c9b82bf1d2 channeld: restore ping command, but only for channeld.
It's probably not worth fixing for the other daemons.

Changelog-Changed: JSON-RPC: `ping` now only works if we have a channel with the peer.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-10-10 15:32:57 +02:00

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#ifndef LIGHTNING_COMMON_PING_H
#define LIGHTNING_COMMON_PING_H
#include "config.h"
#include <ccan/short_types/short_types.h>
#include <ccan/tal/tal.h>
/* Returns false on error, otherwise *pong set if reply needed. */
bool check_ping_make_pong(const tal_t *ctx, const u8 *ping, u8 **pong);
/* Make a ping packet requesting num_pong_bytes */
u8 *make_ping(const tal_t *ctx, u16 num_pong_bytes, u16 padlen);
#endif /* LIGHTNING_COMMON_PING_H */