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API sync (moved Populatable to util).

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This commit is contained in:
Gav Wood 2016-01-08 00:00:07 +01:00
parent 183682ffbc
commit 8f4637ecbc
1 changed files with 0 additions and 49 deletions
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49
src/builtin.rs
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@ -1,7 +1,5 @@
use std::cmp::min;
use std::fmt;
use std::mem;
use std::slice;
use util::uint::*;
use util::hash::*;
use util::sha3::*;
@ -60,39 +58,6 @@ impl Builtin {
}
/*
ETH_REGISTER_PRECOMPILED(ecrecover)(bytesConstRef _in, bytesRef _out)
{
struct inType
{
h256 hash;
h256 v;
h256 r;
h256 s;
} in;
memcpy(&in, _in.data(), min(_in.size(), sizeof(in)));
h256 ret;
u256 v = (u256)in.v;
if (v >= 27 && v <= 28)
{
SignatureStruct sig(in.r, in.s, (byte)((int)v - 27));
if (sig.isValid())
{
try
{
if (Public rec = recover(sig, in.hash))
{
ret = dev::sha3(rec);
memset(ret.data(), 0, 12);
ret.ref().copyTo(_out);
}
}
catch (...) {}
}
}
}
ETH_REGISTER_PRECOMPILED(sha256)(bytesConstRef _in, bytesRef _out)
{
dev::sha256(_in).ref().copyTo(_out);
@ -104,20 +69,6 @@ ETH_REGISTER_PRECOMPILED(ripemd160)(bytesConstRef _in, bytesRef _out)
}
*/
/// Simple trait to allow for raw population of a Sized object from a byte slice.
trait Populatable {
/// Populate self from byte slice `d` in a raw fashion.
fn populate_raw(&mut self, d: &[u8]);
}
impl<T> Populatable for T where T: Sized {
fn populate_raw(&mut self, d: &[u8]) {
unsafe {
slice::from_raw_parts_mut(self as *mut T as *mut u8, mem::size_of::<T>())
}.write(&d).unwrap();
}
}
/// Create a new builtin executor according to `name`.
/// TODO: turn in to a factory with dynamic registration.
pub fn new_builtin_exec(name: &str) -> Option<Box<Fn(&[u8], &mut [u8])>> {