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Merge pull request #347 from spacebudz/constr

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Fix constructor tag range
This commit is contained in:
Ales
2023-02-08 14:52:50 +01:00
committed by GitHub
parent ce648b7483 3012a0b41d
commit 242eaa8b67
3 changed files with 54 additions and 49 deletions
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70
crates/uplc/src/machine/runtime.rs
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@@ -880,9 +880,9 @@ impl DefaultFunction {
.collect();
let constr_data = PlutusData::Constr(Constr {
// TODO: handle other types of constructor tags
tag: convert_constr_to_tag(*i as u64),
any_constructor: None,
tag: convert_constr_to_tag(*i as u64).unwrap_or(ANY_TAG),
any_constructor: convert_constr_to_tag(*i as u64)
.map_or(Some(*i as u64), |_| None),
fields: data_list,
});
@@ -959,27 +959,29 @@ impl DefaultFunction {
},
DefaultFunction::UnConstrData => match args[0].as_ref() {
Value::Con(con) => match con.as_ref() {
Constant::Data(PlutusData::Constr(c)) => {
Ok(Value::Con(
Constant::ProtoPair(
Type::Integer,
Type::List(Type::Data.into()),
// TODO: handle other types of constructor tags
Constant::Integer(convert_tag_to_constr(c.tag as i128)).into(),
Constant::ProtoList(
Type::Data,
c.fields
.deref()
.iter()
.map(|d| Constant::Data(d.clone()))
.collect(),
)
.into(),
Constant::Data(PlutusData::Constr(c)) => Ok(Value::Con(
Constant::ProtoPair(
Type::Integer,
Type::List(Type::Data.into()),
Constant::Integer(
convert_tag_to_constr(c.tag)
.unwrap_or_else(|| c.any_constructor.unwrap())
as i128,
)
.into(),
Constant::ProtoList(
Type::Data,
c.fields
.deref()
.iter()
.map(|d| Constant::Data(d.clone()))
.collect(),
)
.into(),
)
.into())
}
.into(),
)
.into()),
v => Err(Error::DeserialisationError(
"UnConstrData".to_string(),
Value::Con(v.clone().into()),
@@ -1126,26 +1128,28 @@ impl DefaultFunction {
}
}
pub fn convert_tag_to_constr(tag: i128) -> i128 {
if tag < 128 {
tag - 121
} else if (1280..1401).contains(&tag) {
tag - 1280
pub fn convert_tag_to_constr(tag: u64) -> Option<u64> {
if (121..=127).contains(&tag) {
Some(tag - 121)
} else if (1280..=1400).contains(&tag) {
Some(tag - 1280 + 7)
} else {
todo!()
None
}
}
pub fn convert_constr_to_tag(constr: u64) -> u64 {
if constr < 7 {
constr + 121
} else if constr < 128 {
constr + 1280
pub fn convert_constr_to_tag(constr: u64) -> Option<u64> {
if (0..=6).contains(&constr) {
Some(121 + constr)
} else if (7..=127).contains(&constr) {
Some(1280 - 7 + constr)
} else {
todo!()
None // 102 otherwise
}
}
pub static ANY_TAG: u64 = 102;
#[cfg(not(feature = "native-secp256k1"))]
fn verify_ecdsa(public_key: &[u8], message: &[u8], signature: &[u8]) -> Result<Rc<Value>, Error> {
use secp256k1::{ecdsa::Signature, Message, PublicKey, Secp256k1};