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use snarkvm_fields::Field;
use snarkvm_r1cs::{errors::SynthesisError, ConstraintSystem};
use crate::integers::uint::UInt8;
pub trait ToBytesGadget<F: Field> {
fn to_bytes<CS: ConstraintSystem<F>>(&self, cs: CS) -> Result<Vec<UInt8>, SynthesisError>;
fn to_bytes_strict<CS: ConstraintSystem<F>>(&self, cs: CS) -> Result<Vec<UInt8>, SynthesisError>;
}
impl<F: Field> ToBytesGadget<F> for [UInt8] {
fn to_bytes<CS: ConstraintSystem<F>>(&self, _cs: CS) -> Result<Vec<UInt8>, SynthesisError> {
Ok(self.to_vec())
}
fn to_bytes_strict<CS: ConstraintSystem<F>>(&self, cs: CS) -> Result<Vec<UInt8>, SynthesisError> {
self.to_bytes(cs)
}
}
impl<'a, F: Field, T: 'a + ToBytesGadget<F>> ToBytesGadget<F> for &'a T {
fn to_bytes<CS: ConstraintSystem<F>>(&self, cs: CS) -> Result<Vec<UInt8>, SynthesisError> {
(*self).to_bytes(cs)
}
fn to_bytes_strict<CS: ConstraintSystem<F>>(&self, cs: CS) -> Result<Vec<UInt8>, SynthesisError> {
self.to_bytes(cs)
}
}
impl<'a, F: Field> ToBytesGadget<F> for &'a [UInt8] {
fn to_bytes<CS: ConstraintSystem<F>>(&self, _cs: CS) -> Result<Vec<UInt8>, SynthesisError> {
Ok(self.to_vec())
}
fn to_bytes_strict<CS: ConstraintSystem<F>>(&self, cs: CS) -> Result<Vec<UInt8>, SynthesisError> {
self.to_bytes(cs)
}
}
impl<F: Field> ToBytesGadget<F> for Vec<UInt8> {
fn to_bytes<CS: ConstraintSystem<F>>(&self, _cs: CS) -> Result<Vec<UInt8>, SynthesisError> {
Ok(self.to_vec())
}
fn to_bytes_strict<CS: ConstraintSystem<F>>(&self, cs: CS) -> Result<Vec<UInt8>, SynthesisError> {
self.to_bytes(cs)
}
}