core-lightning/common/ecdh_hsmd.c
Rusty Russell 7401b26824 cleanup: remove unneeded includes in C files.
Before:
 Ten builds, laptop -j5, no ccache:

```
real	0m36.686000-38.956000(38.608+/-0.65)s
user	2m32.864000-42.253000(40.7545+/-2.7)s
sys	0m16.618000-18.316000(17.8531+/-0.48)s
```

 Ten builds, laptop -j5, ccache (warm):

```
real	0m8.212000-8.577000(8.39989+/-0.13)s
user	0m12.731000-13.212000(12.9751+/-0.17)s
sys	0m3.697000-3.902000(3.83722+/-0.064)s
```

After:
 Ten builds, laptop -j5, no ccache: 8% faster

```
real	0m33.802000-35.773000(35.468+/-0.54)s
user	2m19.073000-27.754000(26.2542+/-2.3)s
sys	0m15.784000-17.173000(16.7165+/-0.37)s
```

 Ten builds, laptop -j5, ccache (warm): 1% faster

```
real	0m8.200000-8.485000(8.30138+/-0.097)s
user	0m12.485000-13.100000(12.7344+/-0.19)s
sys	0m3.702000-3.889000(3.78787+/-0.056)s
```

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-09-17 09:43:22 +09:30

30 lines
829 B
C

#include <common/ecdh_hsmd.h>
#include <hsmd/hsmd_wiregen.h>
#include <wire/wire_sync.h>
static int stashed_hsm_fd = -1;
static void (*stashed_failed)(enum status_failreason, const char *fmt, ...);
void ecdh(const struct pubkey *point, struct secret *ss)
{
const u8 *msg = towire_hsmd_ecdh_req(NULL, point);
if (!wire_sync_write(stashed_hsm_fd, take(msg)))
stashed_failed(STATUS_FAIL_HSM_IO, "Write ECDH to hsmd failed");
msg = wire_sync_read(tmpctx, stashed_hsm_fd);
if (!msg)
stashed_failed(STATUS_FAIL_HSM_IO, "No hsmd ECDH response");
if (!fromwire_hsmd_ecdh_resp(msg, ss))
stashed_failed(STATUS_FAIL_HSM_IO, "Invalid hsmd ECDH response");
}
void ecdh_hsmd_setup(int hsm_fd,
void (*failed)(enum status_failreason,
const char *fmt, ...))
{
stashed_hsm_fd = hsm_fd;
stashed_failed = failed;
}