use super::expr::Expr;
use crate::has_opcode::HasStaticOpCode;
use crate::mir::expr::InvalidArgumentError;
use crate::serialization::op_code::OpCode;
use crate::serialization::sigma_byte_reader::SigmaByteRead;
use crate::serialization::sigma_byte_writer::SigmaByteWrite;
use crate::serialization::SigmaParsingError;
use crate::serialization::SigmaSerializable;
use crate::serialization::SigmaSerializeResult;
use crate::types::stype::SType;
#[derive(PartialEq, Eq, Debug, Clone)]
pub struct SubstConstants {
pub script_bytes: Box<Expr>,
pub positions: Box<Expr>,
pub new_values: Box<Expr>,
}
impl SubstConstants {
pub fn new(
script_bytes: Expr,
positions: Expr,
new_values: Expr,
) -> Result<Self, InvalidArgumentError> {
script_bytes.check_post_eval_tpe(&SType::SColl(SType::SByte.into()))?;
positions.check_post_eval_tpe(&SType::SColl(SType::SInt.into()))?;
match new_values.post_eval_tpe() {
SType::SColl(_) => Ok(SubstConstants {
script_bytes: script_bytes.into(),
positions: positions.into(),
new_values: new_values.into(),
}),
e => Err(InvalidArgumentError(format!(
"SubstConstants: expected new_values type to be SColl[T], got {:?}",
e
))),
}
}
pub fn tpe(&self) -> SType {
SType::SColl(SType::SByte.into())
}
}
impl HasStaticOpCode for SubstConstants {
const OP_CODE: OpCode = OpCode::SUBST_CONSTANTS;
}
impl SigmaSerializable for SubstConstants {
fn sigma_serialize<W: SigmaByteWrite>(&self, w: &mut W) -> SigmaSerializeResult {
self.script_bytes.sigma_serialize(w)?;
self.positions.sigma_serialize(w)?;
self.new_values.sigma_serialize(w)
}
fn sigma_parse<R: SigmaByteRead>(r: &mut R) -> Result<Self, SigmaParsingError> {
let script_bytes = Expr::sigma_parse(r)?;
let positions = Expr::sigma_parse(r)?;
let new_values = Expr::sigma_parse(r)?;
Ok(SubstConstants::new(script_bytes, positions, new_values)?)
}
}
#[cfg(test)]
#[cfg(feature = "arbitrary")]
#[allow(clippy::panic)]
mod tests {
use super::*;
use crate::mir::expr::arbitrary::ArbExprParams;
use crate::mir::expr::Expr;
use crate::serialization::sigma_serialize_roundtrip;
use proptest::prelude::*;
impl Arbitrary for SubstConstants {
type Strategy = BoxedStrategy<Self>;
type Parameters = ();
fn arbitrary_with(_args: Self::Parameters) -> Self::Strategy {
(
any_with::<Expr>(ArbExprParams {
tpe: SType::SColl(SType::SByte.into()),
depth: 0,
}),
any_with::<Expr>(ArbExprParams {
tpe: SType::SColl(SType::SInt.into()),
depth: 0,
}),
prop_oneof![
Just(SType::SByte),
Just(SType::SBoolean),
Just(SType::SShort),
Just(SType::SInt),
Just(SType::SLong),
]
.prop_flat_map(|ty| {
any_with::<Expr>(ArbExprParams {
tpe: SType::SColl(ty.into()),
depth: 0,
})
}),
)
.prop_map(|(script_bytes, positions, new_values)| Self {
script_bytes: script_bytes.into(),
positions: positions.into(),
new_values: new_values.into(),
})
.boxed()
}
}
proptest! {
#![proptest_config(ProptestConfig::with_cases(16))]
#[test]
fn ser_roundtrip(v in any::<SubstConstants>()) {
let expr: Expr = v.into();
prop_assert_eq![sigma_serialize_roundtrip(&expr), expr];
}
}
}