use crate::serialization::op_code::OpCode;
use crate::types::stype::SType;
use super::expr::Expr;
use crate::has_opcode::HasStaticOpCode;
use crate::mir::expr::InvalidArgumentError;
use crate::serialization::sigma_byte_reader::SigmaByteRead;
use crate::serialization::sigma_byte_writer::SigmaByteWrite;
use crate::serialization::{SigmaParsingError, SigmaSerializable, SigmaSerializeResult};
#[derive(PartialEq, Eq, Debug, Clone)]
pub struct TreeLookup {
pub tree: Box<Expr>,
pub key: Box<Expr>,
pub proof: Box<Expr>,
}
impl TreeLookup {
pub fn new(tree: Expr, key: Expr, proof: Expr) -> Result<Self, InvalidArgumentError> {
tree.check_post_eval_tpe(&SType::SAvlTree)?;
key.check_post_eval_tpe(&SType::SColl(SType::SByte.into()))?;
proof.check_post_eval_tpe(&SType::SColl(SType::SByte.into()))?;
Ok(TreeLookup {
tree: tree.into(),
key: key.into(),
proof: proof.into(),
})
}
pub fn tpe(&self) -> SType {
SType::SOption(SType::SColl(SType::SByte.into()).into())
}
}
impl HasStaticOpCode for TreeLookup {
const OP_CODE: OpCode = OpCode::AVT_TREE_GET;
}
impl SigmaSerializable for TreeLookup {
fn sigma_serialize<W: SigmaByteWrite>(&self, w: &mut W) -> SigmaSerializeResult {
self.tree.sigma_serialize(w)?;
self.key.sigma_serialize(w)?;
self.proof.sigma_serialize(w)
}
fn sigma_parse<R: SigmaByteRead>(r: &mut R) -> Result<Self, SigmaParsingError> {
let tree = Expr::sigma_parse(r)?.into();
let key = Expr::sigma_parse(r)?.into();
let proof = Expr::sigma_parse(r)?.into();
Ok(TreeLookup { tree, key, proof })
}
}
#[allow(clippy::unwrap_used)]
#[cfg(feature = "arbitrary")]
mod arbitrary {
use crate::mir::expr::arbitrary::ArbExprParams;
use super::*;
use proptest::prelude::*;
impl Arbitrary for TreeLookup {
type Strategy = BoxedStrategy<Self>;
type Parameters = ();
fn arbitrary_with(_args: Self::Parameters) -> Self::Strategy {
(
any_with::<Expr>(ArbExprParams {
tpe: SType::SAvlTree,
depth: 0,
}),
any_with::<Expr>(ArbExprParams {
tpe: SType::SColl(Box::new(SType::SByte)),
depth: 0,
}),
any_with::<Expr>(ArbExprParams {
tpe: SType::SColl(Box::new(SType::SByte)),
depth: 0,
}),
)
.prop_map(|(tree, key, proof)| TreeLookup::new(tree, key, proof).unwrap())
.boxed()
}
}
}
#[cfg(test)]
#[cfg(feature = "arbitrary")]
#[allow(clippy::panic)]
mod tests {
use super::*;
use crate::serialization::sigma_serialize_roundtrip;
use proptest::prelude::*;
proptest! {
#[test]
fn ser_roundtrip(v in any::<TreeLookup>()) {
let expr: Expr = v.into();
prop_assert_eq![sigma_serialize_roundtrip(&expr), expr];
}
}
}