core-lightning/bitcoin/feerate.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

39 lines
777 B
C

#include <bitcoin/feerate.h>
u32 feerate_from_style(u32 feerate, enum feerate_style style)
{
switch (style) {
case FEERATE_PER_KSIPA:
return feerate;
case FEERATE_PER_KBYTE:
/* Everyone uses satoshi per kbyte, but we use satoshi per ksipa
* (don't round down to zero though)! */
return (feerate + 3) / 4;
}
abort();
}
u32 feerate_to_style(u32 feerate_perkw, enum feerate_style style)
{
switch (style) {
case FEERATE_PER_KSIPA:
return feerate_perkw;
case FEERATE_PER_KBYTE:
if ((u64)feerate_perkw * 4 > UINT_MAX)
return UINT_MAX;
return feerate_perkw * 4;
}
abort();
}
const char *feerate_style_name(enum feerate_style style)
{
switch (style) {
case FEERATE_PER_KBYTE:
return "perkb";
case FEERATE_PER_KSIPA:
return "perkw";
}
abort();
}