161 lines
4.7 KiB
Rust
161 lines
4.7 KiB
Rust
// Bitcoin secp256k1 bindings
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// Written in 2014 by
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// Dawid Ciężarkiewicz
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// Andrew Poelstra
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//
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// To the extent possible under law, the author(s) have dedicated all
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// copyright and related and neighboring rights to this software to
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// the public domain worldwide. This software is distributed without
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// any warranty.
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//
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// You should have received a copy of the CC0 Public Domain Dedication
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// along with this software.
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// If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
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//
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// This is a macro that routinely comes in handy
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macro_rules! impl_array_newtype {
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($thing:ident, $ty:ty, $len:expr) => {
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impl Copy for $thing {}
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impl $thing {
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#[inline]
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/// Converts the object to a raw pointer for FFI interfacing
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pub fn as_ptr(&self) -> *const $ty {
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let &$thing(ref dat) = self;
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dat.as_ptr()
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}
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#[inline]
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/// Converts the object to a mutable raw pointer for FFI interfacing
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pub fn as_mut_ptr(&mut self) -> *mut $ty {
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let &mut $thing(ref mut dat) = self;
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dat.as_mut_ptr()
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}
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#[inline]
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/// Returns the length of the object as an array
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pub fn len(&self) -> usize { $len }
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#[inline]
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/// Returns whether the object as an array is empty
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pub fn is_empty(&self) -> bool { false }
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}
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impl PartialEq for $thing {
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#[inline]
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fn eq(&self, other: &$thing) -> bool {
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&self[..] == &other[..]
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}
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}
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impl Eq for $thing {}
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impl PartialOrd for $thing {
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#[inline]
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fn partial_cmp(&self, other: &$thing) -> Option<::std::cmp::Ordering> {
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self[..].partial_cmp(&other[..])
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}
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}
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impl Ord for $thing {
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#[inline]
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fn cmp(&self, other: &$thing) -> ::std::cmp::Ordering {
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self[..].cmp(&other[..])
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}
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}
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impl Clone for $thing {
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#[inline]
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fn clone(&self) -> $thing {
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unsafe {
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use std::intrinsics::copy_nonoverlapping;
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use std::mem;
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let mut ret: $thing = mem::uninitialized();
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copy_nonoverlapping(self.as_ptr(),
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ret.as_mut_ptr(),
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$len);
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ret
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}
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}
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}
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impl ::std::ops::Index<usize> for $thing {
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type Output = $ty;
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#[inline]
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fn index(&self, index: usize) -> &$ty {
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let &$thing(ref dat) = self;
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&dat[index]
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}
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}
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impl ::std::ops::Index<::std::ops::Range<usize>> for $thing {
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type Output = [$ty];
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#[inline]
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fn index(&self, index: ::std::ops::Range<usize>) -> &[$ty] {
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let &$thing(ref dat) = self;
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&dat[index]
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}
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}
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impl ::std::ops::Index<::std::ops::RangeTo<usize>> for $thing {
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type Output = [$ty];
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#[inline]
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fn index(&self, index: ::std::ops::RangeTo<usize>) -> &[$ty] {
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let &$thing(ref dat) = self;
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&dat[index]
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}
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}
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impl ::std::ops::Index<::std::ops::RangeFrom<usize>> for $thing {
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type Output = [$ty];
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#[inline]
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fn index(&self, index: ::std::ops::RangeFrom<usize>) -> &[$ty] {
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let &$thing(ref dat) = self;
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&dat[index]
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}
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}
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impl ::std::ops::Index<::std::ops::RangeFull> for $thing {
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type Output = [$ty];
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#[inline]
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fn index(&self, _: ::std::ops::RangeFull) -> &[$ty] {
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let &$thing(ref dat) = self;
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&dat[..]
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}
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}
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}
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}
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macro_rules! impl_pretty_debug {
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($thing:ident) => {
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impl ::std::fmt::Debug for $thing {
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fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
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try!(write!(f, "{}(", stringify!($thing)));
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for i in self[..].iter().cloned() {
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try!(write!(f, "{:02x}", i));
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}
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write!(f, ")")
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}
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}
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}
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}
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macro_rules! impl_raw_debug {
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($thing:ident) => {
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impl ::std::fmt::Debug for $thing {
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fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
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for i in self[..].iter().cloned() {
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try!(write!(f, "{:02x}", i));
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}
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Ok(())
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}
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}
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}
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}
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