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reducing any asset and adding tests #230

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97 changes: 87 additions & 10 deletions crates/tx3-lang/src/applying.rs
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
use std::collections::{BTreeMap, HashMap, HashSet};

use crate::{backend, ir, ArgValue, CanonicalAssets, Utxo};
use crate::ir::Expression;
use crate::{backend, ir, ArgValue, CanonicalAssets, Utxo};

#[derive(Debug, thiserror::Error)]
pub enum Error {
Expand Down Expand Up @@ -186,7 +186,7 @@ impl Concatenable for Vec<Expression> {
match other {
Expression::List(expressions) => {
Ok(Expression::List([&self[..], &expressions[..]].concat()))
},
}
_ => Err(Error::InvalidBinaryOp(
"concat".to_string(),
format!("List({:?})", self),
Expand Down Expand Up @@ -565,6 +565,11 @@ impl Composite for ir::AssetExpr {
amount: f(self.amount)?,
})
}
fn reduce_self(self) -> Result<Self, Error> {
let canonical: CanonicalAssets = self.into();
let asset: Vec<ir::AssetExpr> = canonical.into();
Ok(asset.get(0).unwrap().clone())
}
}

impl Composite for ir::Coerce {
Expand Down Expand Up @@ -594,7 +599,7 @@ impl Composite for ir::Coerce {
Self::NoOp(x) => Ok(Self::NoOp(x)),
Self::IntoAssets(x) => Ok(Self::NoOp(x.into_assets()?)),
Self::IntoDatum(x) => Ok(Self::NoOp(x.into_datum()?)),
Self::IntoScript(x) => todo!(),
Self::IntoScript(_x) => todo!(),
}
}
}
Expand Down Expand Up @@ -661,7 +666,6 @@ impl From<ir::AssetExpr> for CanonicalAssets {
impl From<Vec<ir::AssetExpr>> for CanonicalAssets {
fn from(assets: Vec<ir::AssetExpr>) -> Self {
let mut result = CanonicalAssets::empty();

for asset in assets {
let asset = asset.into();
result = result + asset;
Expand All @@ -679,7 +683,10 @@ impl From<CanonicalAssets> for Vec<ir::AssetExpr> {
result.push(ir::AssetExpr {
policy: class
.policy()
.map(|x| ir::Expression::Bytes(x.to_vec()))
.map(|x| match x.is_empty() {
true => ir::Expression::None,
false => ir::Expression::Bytes(x.to_vec()),
})
.unwrap_or(ir::Expression::None),
asset_name: class
.name()
Expand All @@ -688,7 +695,6 @@ impl From<CanonicalAssets> for Vec<ir::AssetExpr> {
amount: ir::Expression::Number(amount),
});
}

result
}
}
Expand All @@ -697,15 +703,21 @@ impl ir::AssetExpr {
fn expect_constant_policy(&self) -> Option<&[u8]> {
match &self.policy {
ir::Expression::None => None,
ir::Expression::Bytes(x) => Some(x.as_slice()),
ir::Expression::Bytes(x) => match x.is_empty() {
true => None,
false => Some(x.as_slice()),
},
_ => None,
}
}

fn expect_constant_name(&self) -> Option<&[u8]> {
match &self.asset_name {
ir::Expression::None => None,
ir::Expression::Bytes(x) => Some(x.as_slice()),
ir::Expression::Bytes(x) => match x.is_empty() {
true => None,
false => Some(x.as_slice()),
},
ir::Expression::String(x) => Some(x.as_bytes()),
_ => None,
}
Expand Down Expand Up @@ -1874,8 +1886,9 @@ mod tests {
let reduced = op.reduce().unwrap();

match reduced {
ir::Expression::List(b) => assert_eq!(b, vec![
Expression::Number(1), Expression::Number(2)]),
ir::Expression::List(b) => {
assert_eq!(b, vec![Expression::Number(1), Expression::Number(2)])
}
_ => panic!("Expected List [Number(1), Number(2)"),
}
}
Expand Down Expand Up @@ -1945,4 +1958,68 @@ mod tests {

assert!(op == reduced)
}

#[test]
fn reduce_non_ada_any_asset() {
let op = ir::Expression::Assets(vec![ir::AssetExpr {
policy: ir::Expression::EvalParam(Box::new(ir::Param::ExpectValue(
"pol".to_string(),
ir::Type::Bytes,
))),
asset_name: ir::Expression::EvalParam(Box::new(ir::Param::ExpectValue(
"name".to_string(),
ir::Type::Bytes,
))),
amount: ir::Expression::Number(1),
}]);

let args = BTreeMap::from([
("pol".to_string(), ArgValue::Bytes(b"abc".to_vec())),
("name".to_string(), ArgValue::Bytes(b"123".to_vec())),
]);

let after = op.apply_args(&args).unwrap().reduce().unwrap();

match after {
ir::Expression::Assets(assets) => {
assert_eq!(assets.len(), 1);
assert_eq!(assets[0].policy, ir::Expression::Bytes(b"abc".to_vec()));
assert_eq!(assets[0].asset_name, ir::Expression::Bytes(b"123".to_vec()));
assert_eq!(assets[0].amount, ir::Expression::Number(1));
}
_ => panic!("Expected assets"),
};
}

#[test]
fn reduce_ada_any_asset() {
let op = ir::Expression::Assets(vec![ir::AssetExpr {
policy: ir::Expression::EvalParam(Box::new(ir::Param::ExpectValue(
"pol".to_string(),
ir::Type::Bytes,
))),
asset_name: ir::Expression::EvalParam(Box::new(ir::Param::ExpectValue(
"name".to_string(),
ir::Type::Bytes,
))),
amount: ir::Expression::Number(1),
}]);

let args = BTreeMap::from([
("pol".to_string(), ArgValue::Bytes(b"".to_vec())),
("name".to_string(), ArgValue::Bytes(b"".to_vec())),
]);

let after = op.apply_args(&args).unwrap().reduce().unwrap();

match after {
ir::Expression::Assets(assets) => {
assert_eq!(assets.len(), 1);
assert_eq!(assets[0].policy, ir::Expression::None);
assert_eq!(assets[0].asset_name, ir::Expression::None);
assert_eq!(assets[0].amount, ir::Expression::Number(1));
}
_ => panic!("Expected assets"),
};
}
}