Module opshin.type_impls
Expand source code
import dataclasses
from typing import Callable
import logging
from ast import *
import itertools
from ordered_set import OrderedSet
import uplc.ast
from .util import *
class TypeInferenceError(AssertionError):
pass
class Type:
def __new__(meta, *args, **kwargs):
klass = super().__new__(meta)
for key in ["constr", "attribute", "cmp", "stringify", "copy_only_attributes"]:
value = getattr(klass, key)
wrapped = patternize(value)
object.__setattr__(klass, key, wrapped)
return klass
def constr_type(self) -> "InstanceType":
"""The type of the constructor for this class"""
raise TypeInferenceError(
f"Object of type {self.__class__} does not have a constructor"
)
def constr(self) -> plt.AST:
"""The constructor for this class"""
raise NotImplementedError(
f"Constructor of {self.python_type()} not implemented"
)
def attribute_type(self, attr) -> "Type":
"""The types of the named attributes of this class"""
raise TypeInferenceError(
f"Object of type {self.python_type()} does not have attribute {attr}"
)
def attribute(self, attr) -> plt.AST:
"""The attributes of this class. Needs to be a lambda that expects as first argument the object itself"""
raise NotImplementedError(f"Attribute {attr} not implemented for type {self}")
def cmp(self, op: cmpop, o: "Type") -> plt.AST:
"""The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second the comparison."""
raise NotImplementedError(
f"Comparison {type(op).__name__} for {self.python_type()} and {o.python_type()} is not implemented. This is likely intended because it would always evaluate to False."
)
def stringify(self, recursive: bool = False) -> plt.AST:
"""
Returns a stringified version of the object
The recursive parameter informs the method whether it was invoked recursively from another invokation
"""
raise NotImplementedError(f"{self.python_type()} can not be stringified")
def copy_only_attributes(self) -> plt.AST:
"""
Pluthon function that returns a copy of only the attributes of the object
This can only be called for UnionType and RecordType, as such the input data is always in PlutusData format and the output should be as well.
"""
raise NotImplementedError(f"{self.python_type()} can not be copied")
def binop_type(self, binop: operator, other: "Type") -> "Type":
"""
Type of a binary operation between self and other.
"""
return FunctionType(
[InstanceType(self), InstanceType(other)],
InstanceType(self._binop_return_type(binop, other)),
)
def _binop_return_type(self, binop: operator, other: "Type") -> "Type":
"""
Return the type of a binary operation between self and other
"""
raise NotImplementedError(
f"{self.python_type()} does not implement {binop.__class__.__name__}"
)
def binop(self, binop: operator, other: AST) -> plt.AST:
"""
Implements a binary operation between self and other
"""
return OLambda(
["self", "other"],
self._binop_bin_fun(binop, other)(OVar("self"), OVar("other")),
)
def _binop_bin_fun(
self, binop: operator, other: AST
) -> Callable[[plt.AST, plt.AST], plt.AST]:
"""
Returns a binary function that implements the binary operation between self and other.
"""
raise NotImplementedError(
f"{self.python_type()} can not be used with operation {binop.__class__.__name__}"
)
def unop_type(self, unop: unaryop) -> "Type":
"""
Type of a unary operation on self.
"""
return FunctionType(
[InstanceType(self)],
InstanceType(self._unop_return_type(unop)),
)
def _unop_return_type(self, unop: unaryop) -> "Type":
"""
Return the type of a binary operation between self and other
"""
raise NotImplementedError(
f"{self.python_type()} does not implement {unop.__class__.__name__}"
)
def unop(self, unop: unaryop) -> plt.AST:
"""
Implements a unary operation on self
"""
return OLambda(
["self"],
self._unop_fun(unop)(OVar("self")),
)
def _unop_fun(self, unop: unaryop) -> Callable[[plt.AST], plt.AST]:
"""
Returns a unary function that implements the unary operation on self.
"""
raise NotImplementedError(
f"{self.python_type()} can not be used with operation {unop.__class__.__name__}"
)
def pluthon_type(self, skip_constructor: bool = False) -> str:
"""
Returns a representation of the type in pluthon.
"""
raise NotImplementedError(
f"Type {self.python_type()} does not have a pluthon representation"
)
def python_type(self):
"""
Returns a representation of the type in python.
"""
raise NotImplementedError(
f"Type {type(self).__name__} does not have a python type representation"
)
@dataclass(frozen=True, unsafe_hash=True)
class Record:
name: str
orig_name: str
constructor: int
fields: typing.Union[typing.List[typing.Tuple[str, Type]], frozenlist]
def __post_init__(self):
object.__setattr__(self, "fields", frozenlist(self.fields))
def __ge__(self, other):
if not isinstance(other, Record):
return False
return (
self.constructor == other.constructor
and len(self.fields) == len(other.fields)
and all(a >= b for a, b in zip(self.fields, other.fields))
)
@dataclass(frozen=True, unsafe_hash=True)
class ClassType(Type):
def __ge__(self, other):
"""
Returns whether other can be substituted for this type.
In other words this returns whether the interface of this type is a subset of the interface of other.
Note that this is usually <= and not >=, but this needs to be fixed later.
Produces a partial order on types.
The top element is the most generic type and can not substitute for anything.
The bottom element is the most specific type and can be substituted for anything.
"""
raise NotImplementedError("Comparison between raw classtypes impossible")
@dataclass(frozen=True, unsafe_hash=True)
class AnyType(ClassType):
"""The top element in the partial order on types (excluding FunctionTypes, which do not compare to anything)"""
def pluthon_type(self, skip_constructor: bool = False) -> str:
return "any"
def python_type(self):
return "Any"
def attribute_type(self, attr: str) -> Type:
"""The types of the named attributes of this class"""
return super().attribute_type(attr)
def attribute(self, attr: str) -> plt.AST:
"""The attributes of this class. Need to be a lambda that expects as first argument the object itself"""
return super().attribute(attr)
def __ge__(self, other):
return (
isinstance(other, ClassType)
and not isinstance(other, FunctionType)
and not isinstance(other, PolymorphicFunctionType)
)
def cmp(self, op: cmpop, o: "Type") -> plt.AST:
"""The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second the comparison."""
# this will reject comparisons that will always be false - most likely due to faults during programming
if (
(isinstance(o, RecordType))
or isinstance(o, UnionType)
or isinstance(o, AnyType)
):
# Note that comparison with Record and UnionType is actually fine because both are Data
if isinstance(op, Eq):
return plt.BuiltIn(uplc.BuiltInFun.EqualsData)
if isinstance(op, NotEq):
return OLambda(
["x", "y"],
plt.Not(
plt.Apply(
plt.BuiltIn(uplc.BuiltInFun.EqualsData),
OVar("x"),
OVar("y"),
)
),
)
if (
isinstance(o, ListType)
and isinstance(o.typ, InstanceType)
and (o.typ.typ >= self or self >= o.typ.typ)
):
if isinstance(op, In):
return OLambda(
["x", "y"],
plt.AnyList(
OVar("y"),
plt.Apply(
plt.BuiltIn(uplc.BuiltInFun.EqualsData),
OVar("x"),
),
),
)
if isinstance(op, NotIn):
return OLambda(
["x", "y"],
plt.Not(
plt.AnyList(
OVar("y"),
plt.Apply(
plt.BuiltIn(uplc.BuiltInFun.EqualsData),
OVar("x"),
),
),
),
)
return super().cmp(op, o)
def stringify(self, recursive: bool = False) -> plt.AST:
OPSHIN_LOGGER.warning(
"Serializing AnyType will result in RawPlutusData (CBOR representation) to be printed without additional type information. Annotate types where possible to avoid this warning."
)
return OLambda(
["self"],
OLet(
[
(
"joinMapList",
OLambda(
["m", "l", "start", "end"],
OLet(
[
(
"g",
plt.RecFun(
OLambda(
["f", "l"],
plt.AppendString(
plt.Apply(
OVar("m"),
plt.HeadList(OVar("l")),
),
OLet(
[
(
"t",
plt.TailList(OVar("l")),
)
],
plt.IteNullList(
OVar("t"),
OVar("end"),
plt.AppendString(
plt.Text(", "),
plt.Apply(
OVar("f"),
OVar("f"),
OVar("t"),
),
),
),
),
),
)
),
)
],
plt.AppendString(
OVar("start"),
plt.IteNullList(
OVar("l"),
OVar("end"),
plt.Apply(
OVar("g"),
OVar("l"),
),
),
),
),
),
),
(
"stringifyPlutusData",
plt.RecFun(
OLambda(
["f", "d"],
plt.DelayedChooseData(
OVar("d"),
OLet(
[
(
"constructor",
plt.FstPair(
plt.UnConstrData(OVar("d"))
),
)
],
plt.Ite(
plt.LessThanInteger(
OVar("constructor"),
plt.Integer(128),
),
plt.ConcatString(
plt.Text("CBORTag("),
plt.Apply(
OVar("f"),
OVar("f"),
plt.IData(
plt.AddInteger(
OVar("constructor"),
plt.Ite(
plt.LessThanInteger(
OVar("constructor"),
plt.Integer(7),
),
plt.Integer(121),
plt.Integer(1280 - 7),
),
)
),
),
plt.Text(", "),
plt.Apply(
OVar("f"),
OVar("f"),
plt.ListData(
plt.SndPair(
plt.UnConstrData(OVar("d"))
)
),
),
plt.Text(")"),
),
plt.ConcatString(
plt.Text("CBORTag(102, "),
plt.Apply(
OVar("f"),
OVar("f"),
plt.ListData(
plt.MkCons(
plt.IData(
OVar("constructor")
),
plt.MkCons(
plt.ListData(
plt.SndPair(
plt.UnConstrData(
OVar("d")
)
)
),
plt.EmptyDataList(),
),
)
),
),
plt.Text(")"),
),
),
),
plt.Apply(
OVar("joinMapList"),
OLambda(
["x"],
plt.ConcatString(
plt.Apply(
OVar("f"),
OVar("f"),
plt.FstPair(OVar("x")),
),
plt.Text(": "),
plt.Apply(
OVar("f"),
OVar("f"),
plt.SndPair(OVar("x")),
),
),
),
plt.UnMapData(OVar("d")),
plt.Text("{"),
plt.Text("}"),
),
plt.Apply(
OVar("joinMapList"),
OLambda(
["x"],
plt.Apply(
OVar("f"),
OVar("f"),
OVar("x"),
),
),
plt.UnListData(OVar("d")),
plt.Text("["),
plt.Text("]"),
),
plt.Apply(
IntegerInstanceType.stringify(recursive=True),
plt.UnIData(OVar("d")),
),
plt.Apply(
ByteStringInstanceType.stringify(
recursive=True
),
plt.UnBData(OVar("d")),
),
),
)
),
),
],
plt.ConcatString(
plt.Text("RawPlutusData(data="),
plt.Apply(OVar("stringifyPlutusData"), OVar("self")),
plt.Text(")"),
),
),
)
def copy_only_attributes(self) -> plt.AST:
"""Any is always valid, just returns"""
return OLambda(["self"], OVar("self"))
@dataclass(frozen=True, unsafe_hash=True)
class AtomicType(ClassType):
def __ge__(self, other):
# Can only substitute for its own type (also subtypes)
return isinstance(other, self.__class__)
@dataclass(frozen=True, unsafe_hash=True)
class RecordType(ClassType):
record: Record
def pluthon_type(self, skip_constructor: bool = False) -> str:
return (
"cons["
+ self.record.orig_name
+ "]("
+ (str(self.record.constructor) if not skip_constructor else "_")
+ ";"
+ ",".join(
name + ":" + type.pluthon_type() for name, type in self.record.fields
)
+ ")"
)
def python_type(self):
return (
f"class {self.record.orig_name}(CONSTR_ID={self.record.constructor}, "
+ ", ".join(
f"{name}: {type.python_type()}" for name, type in self.record.fields
)
+ ")"
)
def constr_type(self) -> "InstanceType":
return InstanceType(
FunctionType(
frozenlist([f[1] for f in self.record.fields]), InstanceType(self)
)
)
def constr(self) -> plt.AST:
# wrap all constructor values to PlutusData
build_constr_params = plt.EmptyDataList()
for n, t in reversed(self.record.fields):
build_constr_params = plt.MkCons(
transform_output_map(t)(plt.Force(OVar(n))), build_constr_params
)
# then build a constr type with this PlutusData
return SafeOLambda(
[n for n, _ in self.record.fields],
plt.ConstrData(plt.Integer(self.record.constructor), build_constr_params),
)
def attribute_type(self, attr: str) -> Type:
"""The types of the named attributes of this class"""
if attr == "CONSTR_ID":
return IntegerInstanceType
for n, t in self.record.fields:
if n == attr:
return t
if attr == "to_cbor":
return InstanceType(FunctionType(frozenlist([]), ByteStringInstanceType))
raise TypeInferenceError(
f"Type {self.record.name} does not have attribute {attr}"
)
def attribute(self, attr: str) -> plt.AST:
"""The attributes of this class. Need to be a lambda that expects as first argument the object itself"""
if attr == "CONSTR_ID":
# access to constructor
return OLambda(
["self"],
plt.Constructor(OVar("self")),
)
if attr in (n for n, t in self.record.fields):
attr_typ = self.attribute_type(attr)
pos = next(i for i, (n, _) in enumerate(self.record.fields) if n == attr)
# access to normal fields
return OLambda(
["self"],
transform_ext_params_map(attr_typ)(
plt.ConstantNthFieldFast(
OVar("self"),
pos,
),
),
)
if attr == "to_cbor":
return OLambda(
["self", "_"],
plt.SerialiseData(
OVar("self"),
),
)
raise NotImplementedError(f"Attribute {attr} not implemented for type {self}")
def cmp(self, op: cmpop, o: "Type") -> plt.AST:
"""The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second the comparison."""
# this will reject comparisons that will always be false - most likely due to faults during programming
if (
(
isinstance(o, RecordType)
and (self.record >= o.record or o.record >= self.record)
)
or (
isinstance(o, UnionType) and any(self >= o or self >= o for o in o.typs)
)
or isinstance(o, AnyType)
):
# Note that comparison with AnyType is actually fine because both are Data
if isinstance(op, Eq):
return plt.BuiltIn(uplc.BuiltInFun.EqualsData)
if isinstance(op, NotEq):
return OLambda(
["x", "y"],
plt.Not(
plt.Apply(
plt.BuiltIn(uplc.BuiltInFun.EqualsData),
OVar("x"),
OVar("y"),
)
),
)
if (
isinstance(o, ListType)
and isinstance(o.typ, InstanceType)
and (o.typ.typ >= self or self >= o.typ.typ)
):
if isinstance(op, In):
return OLambda(
["x", "y"],
plt.AnyList(
OVar("y"),
plt.Apply(
plt.BuiltIn(uplc.BuiltInFun.EqualsData),
OVar("x"),
),
),
)
if isinstance(op, NotIn):
return OLambda(
["x", "y"],
plt.Not(
plt.AnyList(
OVar("y"),
plt.Apply(
plt.BuiltIn(uplc.BuiltInFun.EqualsData),
OVar("x"),
),
),
),
)
return super().cmp(op, o)
def __ge__(self, other):
# Can only substitute for its own type, records need to be equal
# if someone wants to be funny, they can implement <= to be true if all fields match up to some point
return isinstance(other, self.__class__) and self.record >= other.record
def stringify(self, recursive: bool = False) -> plt.AST:
"""Returns a stringified version of the object"""
map_fields = plt.Text(")")
if self.record.fields:
# TODO access to fields is a bit inefficient but this is debugging stuff only anyways
pos = len(self.record.fields) - 1
for field_name, field_type in reversed(self.record.fields[1:]):
map_fields = plt.ConcatString(
plt.Text(f", {field_name}="),
plt.Apply(
field_type.stringify(recursive=True),
transform_ext_params_map(field_type)(
plt.ConstantNthFieldFast(OVar("self"), pos)
),
),
map_fields,
)
pos -= 1
map_fields = plt.ConcatString(
plt.Text(f"{self.record.fields[0][0]}="),
plt.Apply(
self.record.fields[0][1].stringify(recursive=True),
transform_ext_params_map(self.record.fields[0][1])(
plt.ConstantNthFieldFast(OVar("self"), pos)
),
),
map_fields,
)
return OLambda(
["self"],
plt.AppendString(plt.Text(f"{self.record.orig_name}("), map_fields),
)
def copy_only_attributes(self) -> plt.AST:
copied_attributes = plt.EmptyDataList()
for attr_name, attr_type in reversed(self.record.fields):
copied_attributes = OLet(
[
("f", plt.HeadList(OVar("fs"))),
("fs", plt.TailList(OVar("fs"))),
],
plt.MkCons(
plt.Apply(
attr_type.copy_only_attributes(),
OVar("f"),
),
copied_attributes,
),
)
copied_attributes = OLet(
[("fs", plt.Fields(OVar("self")))],
copied_attributes,
)
return OLambda(
["self"],
plt.DelayedChooseData(
OVar("self"),
plt.ConstrData(
plt.Integer(self.record.constructor),
copied_attributes,
),
plt.TraceError(
"IntegrityError: Expected a PlutusMap, but got PlutusDict"
),
plt.TraceError(
"IntegrityError: Expected a PlutusMap, but got PlutusList"
),
plt.TraceError(
"IntegrityError: Expected a PlutusMap, but got PlutusInteger"
),
plt.TraceError(
"IntegrityError: Expected a PlutusMap, but got PlutusByteString"
),
),
)
@dataclass(frozen=True, unsafe_hash=True)
class UnionType(ClassType):
typs: typing.List[Type]
def __post_init__(self):
object.__setattr__(self, "typs", frozenlist(self.typs))
def pluthon_type(self, skip_constructor: bool = False) -> str:
return "union<" + ",".join(t.pluthon_type() for t in self.typs) + ">"
def python_type(self):
return "Union[" + ", ".join(t.python_type() for t in self.typs) + "]"
def attribute_type(self, attr) -> "Type":
record_only = all(isinstance(x, RecordType) for x in self.typs)
if attr == "CONSTR_ID" and record_only:
# constructor is only guaranteed to be present if all types are record types
return IntegerInstanceType
# need to have a common field with the same name
if record_only and all(
attr in (n for n, t in x.record.fields) for x in self.typs
):
attr_types = OrderedSet(
t for x in self.typs for n, t in x.record.fields if n == attr
)
for at in attr_types:
# return the maximum element if there is one
if all(at >= at2 for at2 in attr_types):
return at
# return the union type of all possible instantiations if all possible values are record types
if all(
isinstance(at, InstanceType) and isinstance(at.typ, RecordType)
for at in attr_types
) and distinct([at.typ.record.constructor for at in attr_types]):
return InstanceType(
UnionType(frozenlist([at.typ for at in attr_types]))
)
# return Anytype
return InstanceType(AnyType())
if attr == "to_cbor":
return InstanceType(FunctionType(frozenlist([]), ByteStringInstanceType))
raise TypeInferenceError(
f"Can not access attribute {attr} of Union type. Cast to desired type with an 'if isinstance(_, _):' branch."
)
def attribute(self, attr: str) -> plt.AST:
if attr == "CONSTR_ID":
# access to constructor
return OLambda(
["self"],
plt.Constructor(OVar("self")),
)
# iterate through all names/types of the unioned records by position
if any(attr in (n for n, t in r.record.fields) for r in self.typs):
attr_typ = self.attribute_type(attr)
pos_constrs = [
(i, x.record.constructor)
for x in self.typs
for i, (n, t) in enumerate(x.record.fields)
if n == attr
]
pos_constrs = sorted(pos_constrs, key=lambda x: x[0])
pos_constrs = [
(pos, [c[1] for c in constrs])
for (pos, constrs) in itertools.groupby(pos_constrs, key=lambda x: x[0])
]
# largest group last so we save the comparisons for that
pos_constrs = sorted(pos_constrs, key=lambda x: len(x[1]))
# access to normal fields
if not pos_constrs:
pos_decisor = plt.TraceError("Invalid constructor")
else:
pos_decisor = plt.ConstantNthFieldFast(OVar("self"), pos_constrs[-1][0])
pos_constrs = pos_constrs[:-1]
# constr is not needed when there is only one position for all constructors
if not pos_constrs:
return OLambda(
["self"],
transform_ext_params_map(attr_typ)(
pos_decisor,
),
)
for pos, constrs in pos_constrs:
assert constrs, "Found empty constructors for a position"
constr_check = plt.EqualsInteger(
OVar("constr"), plt.Integer(constrs[0])
)
for constr in constrs[1:]:
constr_check = plt.Or(
plt.EqualsInteger(OVar("constr"), plt.Integer(constr)),
constr_check,
)
pos_decisor = plt.Ite(
constr_check,
plt.ConstantNthFieldFast(OVar("self"), pos),
pos_decisor,
)
return OLambda(
["self"],
transform_ext_params_map(attr_typ)(
OLet(
[("constr", plt.Constructor(OVar("self")))],
pos_decisor,
),
),
)
if attr == "to_cbor":
return OLambda(
["self", "_"],
plt.SerialiseData(
OVar("self"),
),
)
raise NotImplementedError(f"Attribute {attr} not implemented for type {self}")
def __ge__(self, other):
if isinstance(other, UnionType):
return all(self >= ot for ot in other.typs)
return any(t >= other for t in self.typs)
def cmp(self, op: cmpop, o: "Type") -> plt.AST:
"""The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second the comparison."""
# this will reject comparisons that will always be false - most likely due to faults during programming
# note we require that there is an overlapt between the possible types for unions
if (isinstance(o, RecordType) and any(t >= o or o >= t for t in self.typs)) or (
isinstance(o, UnionType)
and any(t >= ot or t >= ot for t in self.typs for ot in o.typs)
):
if isinstance(op, Eq):
return plt.BuiltIn(uplc.BuiltInFun.EqualsData)
if isinstance(op, NotEq):
return OLambda(
["x", "y"],
plt.Not(
plt.Apply(
plt.BuiltIn(uplc.BuiltInFun.EqualsData),
OVar("x"),
OVar("y"),
)
),
)
if (
isinstance(o, ListType)
and isinstance(o.typ, InstanceType)
and any(o.typ.typ >= t or t >= o.typ.typ for t in self.typs)
):
if isinstance(op, In):
return OLambda(
["x", "y"],
plt.AnyList(
OVar("y"),
plt.Apply(
plt.BuiltIn(uplc.BuiltInFun.EqualsData),
OVar("x"),
),
),
)
if isinstance(op, NotIn):
return OLambda(
["x", "y"],
plt.Not(
plt.AnyList(
OVar("y"),
plt.Apply(
plt.BuiltIn(uplc.BuiltInFun.EqualsData),
OVar("x"),
),
),
),
)
raise NotImplementedError(
f"Can not compare {o} and {self} with operation {op.__class__}. Note that comparisons that always return false are also rejected."
)
def stringify(self, recursive: bool = False) -> plt.AST:
decide_string_func = plt.TraceError("Invalid constructor id in Union")
for t in self.typs:
decide_string_func = plt.Ite(
plt.EqualsInteger(OVar("c"), plt.Integer(t.record.constructor)),
t.stringify(recursive=True),
decide_string_func,
)
return OLambda(
["self"],
OLet(
[("c", plt.Constructor(OVar("self")))],
plt.Apply(decide_string_func, OVar("self")),
),
)
def copy_only_attributes(self) -> plt.AST:
copied_attributes = plt.TraceError(
f"Invalid CONSTR_ID for instance of {self.python_type()}]"
)
for typ in self.typs:
if not isinstance(typ, RecordType):
continue
copied_attributes = plt.Ite(
plt.EqualsInteger(OVar("constr"), plt.Integer(typ.record.constructor)),
plt.Apply(typ.copy_only_attributes(), OVar("self")),
copied_attributes,
)
record_copier = OLambda(
["self"],
OLet(
[("constr", plt.Constructor(OVar("self")))],
copied_attributes,
),
)
def lambda_false(x: str):
return OLambda(
["_"],
plt.TraceError(
"Invalid datatype not in Union. Expected one of: "
+ (", ".join(t.python_type() for t in self.typs) + ", got " + x)
),
)
return OLambda(
["self"],
plt.Apply(
plt.DelayedChooseData(
OVar("self"),
record_copier,
(
DictType(AnyType(), AnyType()).copy_only_attributes()
if any(isinstance(x, DictType) for x in self.typs)
else lambda_false("dict")
),
(
ListType(AnyType()).copy_only_attributes()
if any(isinstance(x, ListType) for x in self.typs)
else lambda_false("list")
),
(
IntegerType().copy_only_attributes()
if IntegerType() in self.typs
else lambda_false("int")
),
(
ByteStringType().copy_only_attributes()
if ByteStringType() in self.typs
else lambda_false("bytes")
),
),
OVar("self"),
),
)
@dataclass(frozen=True, unsafe_hash=True)
class TupleType(ClassType):
typs: typing.List[Type]
def __ge__(self, other):
return (
isinstance(other, TupleType)
and len(self.typs) <= len(other.typs)
and all(t >= ot for t, ot in zip(self.typs, other.typs))
)
def stringify(self, recursive: bool = False) -> plt.AST:
if not self.typs:
return OLambda(
["self"],
plt.Text("()"),
)
elif len(self.typs) == 1:
tuple_content = plt.ConcatString(
plt.Apply(
self.typs[0].stringify(recursive=True),
plt.FunctionalTupleAccess(OVar("self"), 0, len(self.typs)),
),
plt.Text(","),
)
else:
tuple_content = plt.ConcatString(
plt.Apply(
self.typs[0].stringify(recursive=True),
plt.FunctionalTupleAccess(OVar("self"), 0, len(self.typs)),
),
)
for i, t in enumerate(self.typs[1:], start=1):
tuple_content = plt.ConcatString(
tuple_content,
plt.Text(", "),
plt.Apply(
t.stringify(recursive=True),
plt.FunctionalTupleAccess(OVar("self"), i, len(self.typs)),
),
)
return OLambda(
["self"],
plt.ConcatString(plt.Text("("), tuple_content, plt.Text(")")),
)
def _binop_return_type(self, binop: operator, other: "Type") -> "Type":
if isinstance(binop, Add):
if isinstance(other, TupleType):
return TupleType(self.typs + other.typs)
return super()._binop_return_type(binop, other)
def python_type(self) -> str:
return f"Tuple[{', '.join(t.python_type() for t in self.typs)}]"
@dataclass(frozen=True, unsafe_hash=True)
class PairType(ClassType):
"""An internal type representing built-in PlutusData pairs"""
l_typ: Type
r_typ: Type
def __ge__(self, other):
return isinstance(other, PairType) and all(
t >= ot
for t, ot in zip((self.l_typ, self.r_typ), (other.l_typ, other.r_typ))
)
def stringify(self, recursive: bool = False) -> plt.AST:
tuple_content = plt.ConcatString(
plt.Apply(
self.l_typ.stringify(recursive=True),
transform_ext_params_map(self.l_typ)(plt.FstPair(OVar("self"))),
),
plt.Text(", "),
plt.Apply(
self.r_typ.stringify(recursive=True),
transform_ext_params_map(self.r_typ)(plt.SndPair(OVar("self"))),
),
)
return OLambda(
["self"],
plt.ConcatString(plt.Text("("), tuple_content, plt.Text(")")),
)
def python_type(self):
return f"Tuple[{self.l_typ.python_type()}, {self.r_typ.python_type()}]"
@dataclass(frozen=True, unsafe_hash=True)
class ListType(ClassType):
typ: Type
def __ge__(self, other):
return isinstance(other, ListType) and self.typ >= other.typ
def pluthon_type(self, skip_constructor: bool = False) -> str:
return "list<" + self.typ.pluthon_type() + ">"
def python_type(self):
return f"List[{self.typ.python_type()}]"
def attribute_type(self, attr) -> "Type":
if attr == "index":
return InstanceType(
FunctionType(frozenlist([self.typ]), IntegerInstanceType)
)
super().attribute_type(attr)
def attribute(self, attr) -> plt.AST:
if attr == "index":
return OLambda(
["self", "x"],
OLet(
[("x", plt.Force(OVar("x")))],
plt.Apply(
plt.RecFun(
OLambda(
["index", "xs", "a"],
plt.IteNullList(
OVar("xs"),
plt.TraceError(
"ValueError: Did not find element in list"
),
plt.Ite(
# the paramter x must have the same type as the list elements
plt.Apply(
self.typ.cmp(Eq(), self.typ),
OVar("x"),
plt.HeadList(OVar("xs")),
),
OVar("a"),
plt.Apply(
OVar("index"),
OVar("index"),
plt.TailList(OVar("xs")),
plt.AddInteger(OVar("a"), plt.Integer(1)),
),
),
),
),
),
OVar("self"),
plt.Integer(0),
),
),
)
super().attribute(attr)
def stringify(self, recursive: bool = False) -> plt.AST:
return OLambda(
["self"],
OLet(
[
(
"g",
plt.RecFun(
OLambda(
["f", "l"],
plt.AppendString(
plt.Apply(
self.typ.stringify(recursive=True),
plt.HeadList(OVar("l")),
),
OLet(
[("t", plt.TailList(OVar("l")))],
plt.IteNullList(
OVar("t"),
plt.Text("]"),
plt.AppendString(
plt.Text(", "),
plt.Apply(
OVar("f"),
OVar("f"),
OVar("t"),
),
),
),
),
),
)
),
)
],
plt.AppendString(
plt.Text("["),
plt.IteNullList(
OVar("self"),
plt.Text("]"),
plt.Apply(
OVar("g"),
OVar("self"),
),
),
),
),
)
def copy_only_attributes(self) -> plt.AST:
mapped_attrs = plt.MapList(
plt.UnListData(OVar("self")),
OLambda(
["v"],
plt.Apply(
self.typ.copy_only_attributes(),
OVar("v"),
),
),
plt.EmptyDataList(),
)
return OLambda(
["self"],
plt.DelayedChooseData(
OVar("self"),
plt.TraceError(
"IntegrityError: Expected a PlutusMap, but got PlutusData"
),
plt.TraceError(
"IntegrityError: Expected a PlutusMap, but got PlutusDict"
),
plt.ListData(mapped_attrs),
plt.TraceError(
"IntegrityError: Expected a PlutusMap, but got PlutusInteger"
),
plt.TraceError(
"IntegrityError: Expected a PlutusMap, but got PlutusByteString"
),
),
)
def cmp(self, op: cmpop, o: "Type") -> plt.AST:
"""The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second the comparison."""
if isinstance(o, ListType) and (self.typ >= o.typ or o.typ >= self.typ):
if isinstance(op, Eq):
# Implement list equality comparison
# This is expensive (linear in the size of the list) as noted in the feature request
return OLambda(
["x", "y"],
plt.Apply(
plt.RecFun(
OLambda(
["f", "xs", "ys"],
plt.IteNullList(
OVar("xs"),
# If first list is empty, check if second is also empty
plt.NullList(OVar("ys")),
plt.IteNullList(
OVar("ys"),
# If second list is empty but first is not, they're not equal
plt.Bool(False),
# Both lists have elements, compare heads and recurse on tails
plt.And(
plt.Apply(
self.typ.cmp(op, o.typ),
plt.HeadList(OVar("xs")),
plt.HeadList(OVar("ys")),
),
plt.Apply(
OVar("f"),
OVar("f"),
plt.TailList(OVar("xs")),
plt.TailList(OVar("ys")),
),
),
),
),
)
),
OVar("x"),
OVar("y"),
),
)
if isinstance(op, NotEq):
# Implement list inequality comparison as negation of equality
return OLambda(
["x", "y"],
plt.Not(
plt.Apply(
self.cmp(Eq(), o),
OVar("x"),
OVar("y"),
)
),
)
return super().cmp(op, o)
def _binop_return_type(self, binop: operator, other: "Type") -> "Type":
if isinstance(binop, Add):
if isinstance(other, InstanceType) and isinstance(other.typ, ListType):
other_typ = other.typ
assert (
self.typ >= other_typ.typ or other_typ.typ >= self.typ
), f"Types of lists {self.typ} and {other_typ.typ} are not compatible"
return ListType(
self.typ if self.typ >= other_typ.typ else other_typ.typ
)
return super()._binop_return_type(binop, other)
def _binop_bin_fun(self, binop: operator, other: AST):
if isinstance(binop, Add):
if isinstance(other.typ, InstanceType) and isinstance(
other.typ.typ, ListType
):
return plt.AppendList
def _unop_return_type(self, unop: unaryop) -> "Type":
if isinstance(unop, Not):
return BoolType()
return super()._unop_return_type(unop)
def _unop_fun(self, unop: unaryop) -> Callable[[plt.AST], plt.AST]:
if isinstance(unop, Not):
return lambda x: plt.IteNullList(x, plt.Bool(True), plt.Bool(False))
return super()._unop_fun(unop)
@dataclass(frozen=True, unsafe_hash=True)
class DictType(ClassType):
key_typ: Type
value_typ: Type
def pluthon_type(self, skip_constructor: bool = False) -> str:
return (
"map<"
+ self.key_typ.pluthon_type()
+ ","
+ self.value_typ.pluthon_type()
+ ">"
)
def python_type(self):
return f"Dict[{self.key_typ.python_type()}, {self.value_typ.python_type()}]"
def attribute_type(self, attr) -> "Type":
if attr == "get":
return InstanceType(
FunctionType(frozenlist([self.key_typ, self.value_typ]), self.value_typ)
)
if attr == "keys":
return InstanceType(
FunctionType(frozenlist([]), InstanceType(ListType(self.key_typ)))
)
if attr == "values":
return InstanceType(
FunctionType(frozenlist([]), InstanceType(ListType(self.value_typ)))
)
if attr == "items":
return InstanceType(
FunctionType(
frozenlist([]),
InstanceType(
ListType(InstanceType(PairType(self.key_typ, self.value_typ)))
),
)
)
raise TypeInferenceError(
f"Type of attribute '{attr}' is unknown for type Dict."
)
def attribute(self, attr) -> plt.AST:
if attr == "get":
return OLambda(
["self", "key", "default"],
transform_ext_params_map(self.value_typ)(
OLet(
[
(
"key_mapped",
transform_output_map(self.key_typ)(
plt.Force(OVar("key"))
),
)
],
plt.SndPair(
plt.FindList(
OVar("self"),
OLambda(
["x"],
plt.EqualsData(
OVar("key_mapped"),
plt.FstPair(OVar("x")),
),
),
# this is a bit ugly... we wrap - only to later unwrap again
plt.MkPairData(
OVar("key_mapped"),
transform_output_map(self.value_typ)(
plt.Force(OVar("default"))
),
),
),
),
),
),
)
if attr == "keys":
return OLambda(
["self", "_"],
plt.MapList(
OVar("self"),
OLambda(
["x"],
transform_ext_params_map(self.key_typ)(plt.FstPair(OVar("x"))),
),
empty_list(self.key_typ),
),
)
if attr == "values":
return OLambda(
["self", "_"],
plt.MapList(
OVar("self"),
OLambda(
["x"],
transform_ext_params_map(self.value_typ)(
plt.SndPair(OVar("x"))
),
),
empty_list(self.value_typ),
),
)
if attr == "items":
return OLambda(
["self", "_"],
OVar("self"),
)
raise NotImplementedError(f"Attribute '{attr}' of Dict is unknown.")
def __ge__(self, other):
return (
isinstance(other, DictType)
and self.key_typ >= other.key_typ
and self.value_typ >= other.value_typ
)
def stringify(self, recursive: bool = False) -> plt.AST:
return OLambda(
["self"],
OLet(
[
(
"g",
plt.RecFun(
OLambda(
["f", "l"],
OLet(
[
("h", plt.HeadList(OVar("l"))),
("t", plt.TailList(OVar("l"))),
],
plt.ConcatString(
plt.Apply(
self.key_typ.stringify(recursive=True),
transform_ext_params_map(self.key_typ)(
plt.FstPair(OVar("h"))
),
),
plt.Text(": "),
plt.Apply(
self.value_typ.stringify(recursive=True),
transform_ext_params_map(self.value_typ)(
plt.SndPair(OVar("h"))
),
),
plt.IteNullList(
OVar("t"),
plt.Text("}"),
plt.AppendString(
plt.Text(", "),
plt.Apply(
OVar("f"),
OVar("f"),
OVar("t"),
),
),
),
),
),
)
),
)
],
plt.AppendString(
plt.Text("{"),
plt.IteNullList(
OVar("self"),
plt.Text("}"),
plt.Apply(
OVar("g"),
OVar("self"),
),
),
),
),
)
def copy_only_attributes(self) -> plt.AST:
def CustomMapFilterList(
l: plt.AST,
filter_op: plt.AST,
map_op: plt.AST,
empty_list=plt.EmptyDataList(),
):
from pluthon import (
Apply,
Lambda as PLambda,
RecFun,
IteNullList,
Var as PVar,
HeadList,
Ite,
TailList,
PrependList,
Let as PLet,
)
"""
Apply a filter and a map function on each element in a list (throws out all that evaluate to false)
Performs only a single pass and is hence much more efficient than filter + map
"""
return Apply(
PLambda(
["filter", "map"],
RecFun(
PLambda(
["filtermap", "xs"],
IteNullList(
PVar("xs"),
empty_list,
PLet(
[
("head", HeadList(PVar("xs"))),
("tail", TailList(PVar("xs"))),
],
Ite(
Apply(
PVar("filter"), PVar("head"), PVar("tail")
),
PrependList(
Apply(PVar("map"), PVar("head")),
Apply(
PVar("filtermap"),
PVar("filtermap"),
PVar("tail"),
),
),
Apply(
PVar("filtermap"),
PVar("filtermap"),
PVar("tail"),
),
),
),
),
),
),
),
filter_op,
map_op,
l,
)
mapped_attrs = CustomMapFilterList(
plt.UnMapData(OVar("self")),
OLambda(
["h", "t"],
OLet(
[
("hfst", plt.FstPair(OVar("h"))),
],
plt.Not(
plt.AnyList(
OVar("t"),
OLambda(
["e"],
plt.EqualsData(OVar("hfst"), plt.FstPair(OVar("e"))),
),
)
),
),
),
OLambda(
["v"],
plt.MkPairData(
plt.Apply(
self.key_typ.copy_only_attributes(), plt.FstPair(OVar("v"))
),
plt.Apply(
self.value_typ.copy_only_attributes(), plt.SndPair(OVar("v"))
),
),
),
plt.EmptyDataPairList(),
)
return OLambda(
["self"],
plt.DelayedChooseData(
OVar("self"),
plt.TraceError(
"IntegrityError: Expected a PlutusMap, but got PlutusData"
),
plt.MapData(mapped_attrs),
plt.TraceError(
"IntegrityError: Expected a PlutusMap, but got PlutusList"
),
plt.TraceError(
"IntegrityError: Expected a PlutusMap, but got PlutusInteger"
),
plt.TraceError(
"IntegrityError: Expected a PlutusMap, but got PlutusByteString"
),
),
)
def _unop_return_type(self, unop: unaryop) -> "Type":
if isinstance(unop, Not):
return BoolType()
return super()._unop_return_type(unop)
def _unop_fun(self, unop: unaryop) -> Callable[[plt.AST], plt.AST]:
if isinstance(unop, Not):
return lambda x: plt.IteNullList(x, plt.Bool(True), plt.Bool(False))
return super()._unop_fun(unop)
@dataclass(frozen=True, unsafe_hash=True)
class FunctionType(ClassType):
argtyps: typing.List[Type]
rettyp: Type
# A map from external variable names to their types when the function is defined
bound_vars: typing.Dict[str, Type] = dataclasses.field(default_factory=frozendict)
# Whether and under which name the function binds itself
# The type of this variable is "self"
bind_self: typing.Optional[str] = None
def __post_init__(self):
object.__setattr__(self, "argtyps", frozenlist(self.argtyps))
object.__setattr__(self, "bound_vars", frozendict(self.bound_vars))
def __ge__(self, other):
return (
isinstance(other, FunctionType)
and len(self.argtyps) == len(other.argtyps)
and all(a >= oa for a, oa in zip(self.argtyps, other.argtyps))
and self.bound_vars.keys() == other.bound_vars.keys()
and all(sbv >= other.bound_vars[k] for k, sbv in self.bound_vars.items())
and self.bind_self == other.bind_self
and other.rettyp >= self.rettyp
)
def stringify(self, recursive: bool = False) -> plt.AST:
return OLambda(["x"], plt.Text("<function>"))
def python_type(self):
arg_types = ", ".join(t.python_type() for t in self.argtyps)
return f"Callable[[{arg_types}], {self.rettyp.python_type()}]"
@dataclass(frozen=True, unsafe_hash=True)
class InstanceType(Type):
typ: ClassType
def pluthon_type(self, skip_constructor: bool = False) -> str:
return self.typ.pluthon_type(skip_constructor=skip_constructor)
def constr_type(self) -> FunctionType:
raise TypeInferenceError(f"Can not construct an instance {self}")
def constr(self) -> plt.AST:
raise NotImplementedError(f"Can not construct an instance {self}")
def attribute_type(self, attr) -> Type:
return self.typ.attribute_type(attr)
def attribute(self, attr) -> plt.AST:
return self.typ.attribute(attr)
def cmp(self, op: cmpop, o: "Type") -> plt.AST:
"""The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second the comparison."""
if isinstance(o, InstanceType):
return self.typ.cmp(op, o.typ)
return super().cmp(op, o)
def __ge__(self, other):
return isinstance(other, InstanceType) and self.typ >= other.typ
def stringify(self, recursive: bool = False) -> plt.AST:
return self.typ.stringify(recursive=recursive)
def copy_only_attributes(self) -> plt.AST:
return self.typ.copy_only_attributes()
def binop_type(self, binop: operator, other: "Type") -> "Type":
return self.typ.binop_type(binop, other)
def binop(self, binop: operator, other: AST) -> plt.AST:
return self.typ.binop(binop, other)
def unop_type(self, unop: unaryop) -> "Type":
return self.typ.unop_type(unop)
def unop(self, unop: unaryop) -> plt.AST:
return self.typ.unop(unop)
def python_type(self):
return self.typ.python_type()
@dataclass(frozen=True, unsafe_hash=True)
class IntegerType(AtomicType):
def pluthon_type(self, skip_constructor: bool = False) -> str:
return "int"
def python_type(self):
return "int"
def constr_type(self) -> InstanceType:
return InstanceType(PolymorphicFunctionType(IntImpl()))
def cmp(self, op: cmpop, o: "Type") -> plt.AST:
"""The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second the comparison."""
if isinstance(o, BoolType):
if isinstance(op, Eq):
# 1 == True
# 0 == False
# all other comparisons are False
return OLambda(
["x", "y"],
plt.Ite(
OVar("y"),
plt.EqualsInteger(OVar("x"), plt.Integer(1)),
plt.EqualsInteger(OVar("x"), plt.Integer(0)),
),
)
if isinstance(o, IntegerType):
if isinstance(op, Eq):
return plt.BuiltIn(uplc.BuiltInFun.EqualsInteger)
if isinstance(op, NotEq):
return OLambda(
["x", "y"],
plt.Not(
plt.Apply(
plt.BuiltIn(uplc.BuiltInFun.EqualsInteger),
OVar("y"),
OVar("x"),
)
),
)
if isinstance(op, LtE):
return plt.BuiltIn(uplc.BuiltInFun.LessThanEqualsInteger)
if isinstance(op, Lt):
return plt.BuiltIn(uplc.BuiltInFun.LessThanInteger)
if isinstance(op, Gt):
return OLambda(
["x", "y"],
plt.Apply(
plt.BuiltIn(uplc.BuiltInFun.LessThanInteger),
OVar("y"),
OVar("x"),
),
)
if isinstance(op, GtE):
return OLambda(
["x", "y"],
plt.Apply(
plt.BuiltIn(uplc.BuiltInFun.LessThanEqualsInteger),
OVar("y"),
OVar("x"),
),
)
if (
isinstance(o, ListType)
and isinstance(o.typ, InstanceType)
and isinstance(o.typ.typ, IntegerType)
):
if isinstance(op, In):
return OLambda(
["x", "y"],
plt.AnyList(
OVar("y"),
plt.Apply(
plt.BuiltIn(uplc.BuiltInFun.EqualsInteger), OVar("x")
),
),
)
if isinstance(op, NotIn):
return OLambda(
["x", "y"],
plt.Not(
plt.AnyList(
OVar("y"),
plt.Apply(
plt.BuiltIn(uplc.BuiltInFun.EqualsInteger), OVar("x")
),
),
),
)
return super().cmp(op, o)
def stringify(self, recursive: bool = False) -> plt.AST:
return OLambda(
["x"],
plt.DecodeUtf8(
OLet(
[
(
"strlist",
plt.RecFun(
OLambda(
["f", "i"],
plt.Ite(
plt.LessThanEqualsInteger(
OVar("i"), plt.Integer(0)
),
plt.EmptyIntegerList(),
plt.MkCons(
plt.AddInteger(
plt.ModInteger(
OVar("i"), plt.Integer(10)
),
plt.Integer(ord("0")),
),
plt.Apply(
OVar("f"),
OVar("f"),
plt.DivideInteger(
OVar("i"), plt.Integer(10)
),
),
),
),
),
),
),
(
"mkstr",
OLambda(
["i"],
plt.FoldList(
plt.Apply(OVar("strlist"), OVar("i")),
OLambda(
["b", "i"],
plt.ConsByteString(OVar("i"), OVar("b")),
),
plt.ByteString(b""),
),
),
),
],
plt.Ite(
plt.EqualsInteger(OVar("x"), plt.Integer(0)),
plt.ByteString(b"0"),
plt.Ite(
plt.LessThanInteger(OVar("x"), plt.Integer(0)),
plt.ConsByteString(
plt.Integer(ord("-")),
plt.Apply(OVar("mkstr"), plt.Negate(OVar("x"))),
),
plt.Apply(OVar("mkstr"), OVar("x")),
),
),
)
),
)
def _binop_return_type(self, binop: operator, other: "Type") -> "Type":
if (
isinstance(binop, Add)
or isinstance(binop, Sub)
or isinstance(binop, FloorDiv)
or isinstance(binop, Mod)
or isinstance(binop, Div)
or isinstance(binop, Pow)
):
if other == IntegerInstanceType:
return IntegerType()
elif other == BoolInstanceType:
# cast to integer
return IntegerType()
if isinstance(binop, Mult):
if other == IntegerInstanceType:
return IntegerType()
elif other == ByteStringInstanceType:
return ByteStringType()
elif other == StringInstanceType:
return StringType()
return super().binop_type(binop, other)
def _binop_bin_fun(self, binop: operator, other: AST):
if other.typ == IntegerInstanceType:
if isinstance(binop, Add):
return plt.AddInteger
elif isinstance(binop, Sub):
return plt.SubtractInteger
elif isinstance(binop, FloorDiv):
return plt.DivideInteger
elif isinstance(binop, Mod):
return plt.ModInteger
elif isinstance(binop, Pow):
return lambda x, y: OLet(
[("y", y)],
plt.Ite(
plt.LessThanInteger(OVar("y"), plt.Integer(0)),
plt.TraceError("Negative exponentiation is not supported"),
PowImpl(x, OVar("y")),
),
)
if other.typ == BoolInstanceType:
if isinstance(binop, Add):
return lambda x, y: OLet(
[("x", x), ("y", y)],
plt.Ite(
OVar("y"), plt.AddInteger(OVar("x"), plt.Integer(1)), OVar("x")
),
)
elif isinstance(binop, Sub):
return lambda x, y: OLet(
[("x", x), ("y", y)],
plt.Ite(
OVar("y"),
plt.SubtractInteger(OVar("x"), plt.Integer(1)),
OVar("x"),
),
)
if isinstance(binop, Mult):
if other.typ == IntegerInstanceType:
return plt.MultiplyInteger
elif other.typ == ByteStringInstanceType:
return lambda x, y: ByteStrIntMulImpl(y, x)
elif other.typ == StringInstanceType:
return lambda x, y: StrIntMulImpl(y, x)
def _unop_return_type(self, unop: unaryop) -> "Type":
if isinstance(unop, USub):
return IntegerType()
elif isinstance(unop, UAdd):
return IntegerType()
elif isinstance(unop, Not):
return BoolType()
return super()._unop_return_type(unop)
def _unop_fun(self, unop: unaryop) -> Callable[[plt.AST], plt.AST]:
if isinstance(unop, USub):
return lambda x: plt.SubtractInteger(plt.Integer(0), x)
if isinstance(unop, UAdd):
return lambda x: x
if isinstance(unop, Not):
return lambda x: plt.EqualsInteger(x, plt.Integer(0))
return super()._unop_fun(unop)
def copy_only_attributes(self) -> plt.AST:
return OLambda(
["self"],
plt.DelayedChooseData(
OVar("self"),
plt.TraceError(
f"IntegrityError: Expected PlutusInteger but got PlutusData"
),
plt.TraceError(
f"IntegrityError: Expected PlutusInteger but got PlutusMap"
),
plt.TraceError(
f"IntegrityError: Expected PlutusInteger but got PlutusList"
),
OVar("self"),
plt.TraceError(
f"IntegrityError: Expected PlutusInteger but got PlutusByteString"
),
),
)
@dataclass(frozen=True, unsafe_hash=True)
class StringType(AtomicType):
def python_type(self):
return "str"
def constr_type(self) -> InstanceType:
return InstanceType(PolymorphicFunctionType(StrImpl()))
def attribute_type(self, attr) -> Type:
if attr == "encode":
return InstanceType(FunctionType(frozenlist([]), ByteStringInstanceType))
return super().attribute_type(attr)
def attribute(self, attr) -> plt.AST:
if attr == "encode":
# No codec -> only the default (utf8) is allowed
return OLambda(["x", "_"], plt.EncodeUtf8(OVar("x")))
return super().attribute(attr)
def cmp(self, op: cmpop, o: "Type") -> plt.AST:
if isinstance(o, StringType):
if isinstance(op, Eq):
return plt.BuiltIn(uplc.BuiltInFun.EqualsString)
if isinstance(op, NotEq):
return OLambda(
["x", "y"], plt.Not(plt.EqualsString(OVar("x"), OVar("y")))
)
return super().cmp(op, o)
def stringify(self, recursive: bool = False) -> plt.AST:
if recursive:
# TODO this is not correct, as the string is not properly escaped
return OLambda(
["self"],
plt.ConcatString(plt.Text("'"), OVar("self"), plt.Text("'")),
)
else:
return OLambda(["self"], OVar("self"))
def _binop_return_type(self, binop: operator, other: "Type") -> "Type":
if isinstance(binop, Add):
if other == StringInstanceType:
return StringType()
if isinstance(binop, Mult):
if other == IntegerInstanceType:
return StringType()
return super().binop_type(binop, other)
def _binop_bin_fun(self, binop: operator, other: AST):
if isinstance(binop, Add):
if other.typ == StringInstanceType:
return plt.AppendString
if isinstance(binop, Mult):
if other.typ == IntegerInstanceType:
return StrIntMulImpl
def _unop_return_type(self, unop: unaryop) -> "Type":
if isinstance(unop, Not):
return BoolType()
return super()._unop_return_type(unop)
def _unop_fun(self, unop: unaryop) -> Callable[[plt.AST], plt.AST]:
if isinstance(unop, Not):
return lambda x: plt.EqualsInteger(
plt.LengthOfByteString(plt.EncodeUtf8(x)), plt.Integer(0)
)
return super()._unop_fun(unop)
def copy_only_attributes(self) -> plt.AST:
return OLambda(
["self"],
plt.DelayedChooseData(
OVar("self"),
plt.TraceError(
f"IntegrityError: Expected PlutusByteString but got PlutusData"
),
plt.TraceError(
f"IntegrityError: Expected PlutusByteString but got PlutusMap"
),
plt.TraceError(
f"IntegrityError: Expected PlutusByteString but got PlutusList"
),
plt.TraceError(
f"IntegrityError: Expected PlutusByteString but got PlutusInteger"
),
OVar("self"),
),
)
@dataclass(frozen=True, unsafe_hash=True)
class ByteStringType(AtomicType):
def pluthon_type(self, skip_constructor: bool = False) -> str:
return "bytes"
def python_type(self):
return "bytes"
def constr_type(self) -> InstanceType:
return InstanceType(PolymorphicFunctionType(BytesImpl()))
def attribute_type(self, attr) -> Type:
if attr == "decode":
return InstanceType(FunctionType(frozenlist([]), StringInstanceType))
if attr == "hex":
return InstanceType(FunctionType(frozenlist([]), StringInstanceType))
if attr == "fromhex":
return InstanceType(
FunctionType(
frozenlist([StringInstanceType]),
ByteStringInstanceType,
)
)
return super().attribute_type(attr)
def attribute(self, attr) -> plt.AST:
if attr == "decode":
# No codec -> only the default (utf8) is allowed
return OLambda(["x", "_"], plt.DecodeUtf8(OVar("x")))
if attr == "hex":
return OLambda(
["x", "_"],
plt.DecodeUtf8(
OLet(
[
(
"hexlist",
plt.RecFun(
OLambda(
["f", "i"],
plt.Ite(
plt.LessThanInteger(
OVar("i"), plt.Integer(0)
),
plt.EmptyIntegerList(),
plt.MkCons(
plt.IndexByteString(
OVar("x"), OVar("i")
),
plt.Apply(
OVar("f"),
OVar("f"),
plt.SubtractInteger(
OVar("i"), plt.Integer(1)
),
),
),
),
),
),
),
(
"map_str",
OLambda(
["i"],
plt.AddInteger(
OVar("i"),
plt.IfThenElse(
plt.LessThanInteger(
OVar("i"), plt.Integer(10)
),
plt.Integer(ord("0")),
plt.Integer(ord("a") - 10),
),
),
),
),
(
"mkstr",
OLambda(
["i"],
plt.FoldList(
plt.Apply(OVar("hexlist"), OVar("i")),
OLambda(
["b", "i"],
plt.ConsByteString(
plt.Apply(
OVar("map_str"),
plt.DivideInteger(
OVar("i"), plt.Integer(16)
),
),
plt.ConsByteString(
plt.Apply(
OVar("map_str"),
plt.ModInteger(
OVar("i"),
plt.Integer(16),
),
),
OVar("b"),
),
),
),
plt.ByteString(b""),
),
),
),
],
plt.Apply(
OVar("mkstr"),
plt.SubtractInteger(
plt.LengthOfByteString(OVar("x")), plt.Integer(1)
),
),
),
),
)
if attr == "fromhex":
return OLambda(
["_", "x"],
OLet(
[
(
"bytestr",
plt.EncodeUtf8(plt.Force(OVar("x"))),
),
(
"bytestr_len",
plt.LengthOfByteString(OVar("bytestr")),
),
(
"char_to_int",
OLambda(
["c"],
plt.Ite(
plt.And(
plt.LessThanEqualsInteger(
plt.Integer(ord("a")), OVar("c")
),
plt.LessThanEqualsInteger(
OVar("c"), plt.Integer(ord("f"))
),
),
plt.AddInteger(
plt.SubtractInteger(
OVar("c"), plt.Integer(ord("a"))
),
plt.Integer(10),
),
plt.Ite(
plt.And(
plt.LessThanEqualsInteger(
plt.Integer(ord("0")), OVar("c")
),
plt.LessThanEqualsInteger(
OVar("c"), plt.Integer(ord("9"))
),
),
plt.SubtractInteger(
OVar("c"), plt.Integer(ord("0"))
),
plt.Ite(
plt.And(
plt.LessThanEqualsInteger(
plt.Integer(ord("A")), OVar("c")
),
plt.LessThanEqualsInteger(
OVar("c"), plt.Integer(ord("F"))
),
),
plt.AddInteger(
plt.SubtractInteger(
OVar("c"), plt.Integer(ord("A"))
),
plt.Integer(10),
),
plt.TraceError("Invalid hex character"),
),
),
),
),
),
(
"splitlist",
plt.RecFun(
OLambda(
["f", "i"],
plt.Ite(
plt.LessThanInteger(
OVar("bytestr_len"),
plt.AddInteger(OVar("i"), plt.Integer(1)),
),
plt.ByteString(b""),
plt.Ite(
plt.LessThanInteger(
OVar("bytestr_len"),
plt.AddInteger(
OVar("i"), plt.Integer(2)
),
),
plt.TraceError("Invalid hex string"),
OLet(
[
(
"char_at_i",
plt.IndexByteString(
OVar("bytestr"),
OVar("i"),
),
),
(
"char_at_ip1",
plt.IndexByteString(
OVar("bytestr"),
plt.AddInteger(
OVar("i"),
plt.Integer(1),
),
),
),
],
plt.ConsByteString(
plt.AddInteger(
plt.MultiplyInteger(
plt.Apply(
OVar("char_to_int"),
OVar("char_at_i"),
),
plt.Integer(16),
),
plt.Apply(
OVar("char_to_int"),
OVar("char_at_ip1"),
),
),
plt.Apply(
OVar("f"),
OVar("f"),
plt.AddInteger(
OVar("i"),
plt.Integer(2),
),
),
),
),
),
),
)
),
),
],
plt.Apply(OVar("splitlist"), plt.Integer(0)),
),
)
return super().attribute(attr)
def cmp(self, op: cmpop, o: "Type") -> plt.AST:
if isinstance(o, ByteStringType):
if isinstance(op, Eq):
return plt.BuiltIn(uplc.BuiltInFun.EqualsByteString)
if isinstance(op, NotEq):
return OLambda(
["x", "y"],
plt.Not(
plt.Apply(
plt.BuiltIn(uplc.BuiltInFun.EqualsByteString),
OVar("y"),
OVar("x"),
)
),
)
if isinstance(op, Lt):
return plt.BuiltIn(uplc.BuiltInFun.LessThanByteString)
if isinstance(op, LtE):
return plt.BuiltIn(uplc.BuiltInFun.LessThanEqualsByteString)
if isinstance(op, Gt):
return OLambda(
["x", "y"],
plt.Apply(
plt.BuiltIn(uplc.BuiltInFun.LessThanByteString),
OVar("y"),
OVar("x"),
),
)
if isinstance(op, GtE):
return OLambda(
["x", "y"],
plt.Apply(
plt.BuiltIn(uplc.BuiltInFun.LessThanEqualsByteString),
OVar("y"),
OVar("x"),
),
)
if (
isinstance(o, ListType)
and isinstance(o.typ, InstanceType)
and isinstance(o.typ.typ, ByteStringType)
):
if isinstance(op, In):
return OLambda(
["x", "y"],
plt.AnyList(
OVar("y"),
plt.Apply(
plt.BuiltIn(uplc.BuiltInFun.EqualsByteString),
OVar("x"),
),
),
)
if isinstance(op, NotIn):
return OLambda(
["x", "y"],
plt.Not(
plt.AnyList(
OVar("y"),
plt.Apply(
plt.BuiltIn(uplc.BuiltInFun.EqualsByteString),
OVar("x"),
),
),
),
)
return super().cmp(op, o)
def stringify(self, recursive: bool = False) -> plt.AST:
return OLambda(
["x"],
plt.DecodeUtf8(
OLet(
[
(
"hexlist",
plt.RecFun(
OLambda(
["f", "i"],
plt.Ite(
plt.LessThanInteger(OVar("i"), plt.Integer(0)),
plt.EmptyIntegerList(),
plt.MkCons(
plt.IndexByteString(OVar("x"), OVar("i")),
plt.Apply(
OVar("f"),
OVar("f"),
plt.SubtractInteger(
OVar("i"), plt.Integer(1)
),
),
),
),
),
),
),
(
"map_str",
OLambda(
["i"],
plt.AddInteger(
OVar("i"),
plt.IfThenElse(
plt.LessThanInteger(OVar("i"), plt.Integer(10)),
plt.Integer(ord("0")),
plt.Integer(ord("a") - 10),
),
),
),
),
(
"mkstr",
OLambda(
["i"],
plt.FoldList(
plt.Apply(OVar("hexlist"), OVar("i")),
OLambda(
["b", "i"],
plt.Ite(
# ascii printable characters are kept unmodified
plt.And(
plt.LessThanEqualsInteger(
plt.Integer(0x20), OVar("i")
),
plt.LessThanEqualsInteger(
OVar("i"), plt.Integer(0x7E)
),
),
plt.Ite(
plt.EqualsInteger(
OVar("i"),
plt.Integer(ord("\\")),
),
plt.AppendByteString(
plt.ByteString(b"\\\\"),
OVar("b"),
),
plt.Ite(
plt.EqualsInteger(
OVar("i"),
plt.Integer(ord("'")),
),
plt.AppendByteString(
plt.ByteString(b"\\'"),
OVar("b"),
),
plt.ConsByteString(
OVar("i"), OVar("b")
),
),
),
plt.Ite(
plt.EqualsInteger(
OVar("i"), plt.Integer(ord("\t"))
),
plt.AppendByteString(
plt.ByteString(b"\\t"), OVar("b")
),
plt.Ite(
plt.EqualsInteger(
OVar("i"),
plt.Integer(ord("\n")),
),
plt.AppendByteString(
plt.ByteString(b"\\n"),
OVar("b"),
),
plt.Ite(
plt.EqualsInteger(
OVar("i"),
plt.Integer(ord("\r")),
),
plt.AppendByteString(
plt.ByteString(b"\\r"),
OVar("b"),
),
plt.AppendByteString(
plt.ByteString(b"\\x"),
plt.ConsByteString(
plt.Apply(
OVar("map_str"),
plt.DivideInteger(
OVar("i"),
plt.Integer(16),
),
),
plt.ConsByteString(
plt.Apply(
OVar("map_str"),
plt.ModInteger(
OVar("i"),
plt.Integer(
16
),
),
),
OVar("b"),
),
),
),
),
),
),
),
),
plt.ByteString(b""),
),
),
),
],
plt.ConcatByteString(
plt.ByteString(b"b'"),
plt.Apply(
OVar("mkstr"),
plt.SubtractInteger(
plt.LengthOfByteString(OVar("x")), plt.Integer(1)
),
),
plt.ByteString(b"'"),
),
),
),
)
def _binop_return_type(self, binop: operator, other: "Type") -> "Type":
if isinstance(binop, Add):
if other == ByteStringInstanceType:
return ByteStringType()
if isinstance(binop, Mult):
if other == IntegerInstanceType:
return ByteStringType()
return super().binop_type(binop, other)
def _binop_bin_fun(self, binop: operator, other: AST):
if isinstance(binop, Add):
if other.typ == ByteStringInstanceType:
return plt.AppendByteString
if isinstance(binop, Mult):
if other.typ == IntegerInstanceType:
return ByteStrIntMulImpl
def _unop_return_type(self, unop: unaryop) -> "Type":
if isinstance(unop, Not):
return BoolType()
return super()._unop_return_type(unop)
def _unop_fun(self, unop: unaryop) -> Callable[[plt.AST], plt.AST]:
if isinstance(unop, Not):
return lambda x: plt.EqualsInteger(
plt.LengthOfByteString(x), plt.Integer(0)
)
return super()._unop_fun(unop)
def copy_only_attributes(self) -> plt.AST:
return OLambda(
["self"],
plt.DelayedChooseData(
OVar("self"),
plt.TraceError(
f"IntegrityError: Expected PlutusByteString but got PlutusData"
),
plt.TraceError(
f"IntegrityError: Expected PlutusByteString but got PlutusMap"
),
plt.TraceError(
f"IntegrityError: Expected PlutusByteString but got PlutusList"
),
plt.TraceError(
f"IntegrityError: Expected PlutusByteString but got PlutusInteger"
),
OVar("self"),
),
)
@dataclass(frozen=True, unsafe_hash=True)
class BoolType(AtomicType):
def python_type(self):
return "bool"
def constr_type(self) -> "InstanceType":
return InstanceType(PolymorphicFunctionType(BoolImpl()))
def cmp(self, op: cmpop, o: "Type") -> plt.AST:
if isinstance(o, IntegerType):
if isinstance(op, Eq):
# 1 == True
# 0 == False
# all other comparisons are False
return OLambda(
["y", "x"],
plt.Ite(
OVar("y"),
plt.EqualsInteger(OVar("x"), plt.Integer(1)),
plt.EqualsInteger(OVar("x"), plt.Integer(0)),
),
)
if isinstance(op, NotEq):
return OLambda(
["y", "x"],
plt.Ite(
OVar("y"),
plt.NotEqualsInteger(OVar("x"), plt.Integer(1)),
plt.NotEqualsInteger(OVar("x"), plt.Integer(0)),
),
)
if isinstance(o, BoolType):
if isinstance(op, Eq):
return OLambda(["x", "y"], plt.Iff(OVar("x"), OVar("y")))
if isinstance(op, NotEq):
return OLambda(["x", "y"], plt.Not(plt.Iff(OVar("x"), OVar("y"))))
if isinstance(op, Lt):
return OLambda(["x", "y"], plt.And(plt.Not(OVar("x")), OVar("y")))
if isinstance(op, Gt):
return OLambda(["x", "y"], plt.And(OVar("x"), plt.Not(OVar("y"))))
return super().cmp(op, o)
def stringify(self, recursive: bool = False) -> plt.AST:
return OLambda(
["self"],
plt.Ite(
OVar("self"),
plt.Text("True"),
plt.Text("False"),
),
)
def _unop_return_type(self, unop: unaryop) -> "Type":
if isinstance(unop, Not):
return BoolType()
return super()._unop_return_type(unop)
def _unop_fun(self, unop: unaryop) -> Callable[[plt.AST], plt.AST]:
if isinstance(unop, Not):
return plt.Not
return super()._unop_fun(unop)
def copy_only_attributes(self) -> plt.AST:
return OLambda(
["self"],
plt.DelayedChooseData(
OVar("self"),
plt.TraceError(
f"IntegrityError: Expected PlutusByteInteger but got PlutusData"
),
plt.TraceError(
f"IntegrityError: Expected PlutusByteInteger but got PlutusMap"
),
plt.TraceError(
f"IntegrityError: Expected PlutusByteInteger but got PlutusList"
),
OVar("self"),
plt.TraceError(
f"IntegrityError: Expected PlutusByteInteger but got PlutusByteString"
),
),
)
@dataclass(frozen=True, unsafe_hash=True)
class UnitType(AtomicType):
def cmp(self, op: cmpop, o: "Type") -> plt.AST:
if isinstance(o, UnitType):
if isinstance(op, Eq):
return OLambda(["x", "y"], plt.Bool(True))
if isinstance(op, NotEq):
return OLambda(["x", "y"], plt.Bool(False))
return super().cmp(op, o)
def stringify(self, recursive: bool = False) -> plt.AST:
return OLambda(["self"], plt.Text("None"))
def _unop_return_type(self, unop: unaryop) -> "Type":
if isinstance(unop, Not):
return BoolType()
return super()._unop_return_type(unop)
def _unop_fun(self, unop: unaryop) -> Callable[[plt.AST], plt.AST]:
if isinstance(unop, Not):
return lambda x: plt.Bool(True)
return super()._unop_fun(unop)
def python_type(self):
return "None"
IntegerInstanceType = InstanceType(IntegerType())
StringInstanceType = InstanceType(StringType())
ByteStringInstanceType = InstanceType(ByteStringType())
BoolInstanceType = InstanceType(BoolType())
UnitInstanceType = InstanceType(UnitType())
ATOMIC_TYPES = {
int.__name__: IntegerType(),
str.__name__: StringType(),
bytes.__name__: ByteStringType(),
bytearray.__name__: ByteStringType(),
type(None).__name__: UnitType(),
bool.__name__: BoolType(),
}
NoneInstanceType = UnitInstanceType
class InaccessibleType(ClassType):
"""A type that blocks overwriting of a function"""
pass
def python_type(self):
return "<forbidden>"
def repeated_addition(zero, add):
# this is optimized for logarithmic complexity by exponentiation by squaring
# it follows the implementation described here: https://en.wikipedia.org/wiki/Exponentiation_by_squaring#With_constant_auxiliary_memory
def RepeatedAdd(x: plt.AST, y: plt.AST):
return plt.Apply(
plt.RecFun(
OLambda(
["f", "y", "x", "n"],
plt.Ite(
plt.LessThanEqualsInteger(OVar("n"), plt.Integer(0)),
OVar("y"),
OLet(
[
(
"n_half",
plt.DivideInteger(OVar("n"), plt.Integer(2)),
)
],
plt.Ite(
# tests whether (x//2)*2 == x which is True iff x is even
plt.EqualsInteger(
plt.AddInteger(OVar("n_half"), OVar("n_half")),
OVar("n"),
),
plt.Apply(
OVar("f"),
OVar("f"),
OVar("y"),
add(OVar("x"), OVar("x")),
OVar("n_half"),
),
plt.Apply(
OVar("f"),
OVar("f"),
add(OVar("y"), OVar("x")),
add(OVar("x"), OVar("x")),
OVar("n_half"),
),
),
),
),
),
),
zero,
x,
y,
)
return RepeatedAdd
PowImpl = repeated_addition(plt.Integer(1), plt.MultiplyInteger)
ByteStrIntMulImpl = repeated_addition(plt.ByteString(b""), plt.AppendByteString)
StrIntMulImpl = repeated_addition(plt.Text(""), plt.AppendString)
class PolymorphicFunction:
def __new__(meta, *args, **kwargs):
klass = super().__new__(meta)
for key in ["impl_from_args"]:
value = getattr(klass, key)
wrapped = patternize(value)
object.__setattr__(klass, key, wrapped)
return klass
def type_from_args(self, args: typing.List[Type]) -> FunctionType:
raise NotImplementedError()
def impl_from_args(self, args: typing.List[Type]) -> plt.AST:
raise NotImplementedError()
class StrImpl(PolymorphicFunction):
def type_from_args(self, args: typing.List[Type]) -> FunctionType:
assert (
len(args) == 1
), f"'str' takes only one argument, but {len(args)} were given"
typ = args[0]
assert isinstance(typ, InstanceType), "Can only stringify instances"
return FunctionType(args, StringInstanceType)
def impl_from_args(self, args: typing.List[Type]) -> plt.AST:
arg = args[0]
assert isinstance(arg, InstanceType), "Can only stringify instances"
return arg.typ.stringify()
class IntImpl(PolymorphicFunction):
def type_from_args(self, args: typing.List[Type]) -> FunctionType:
assert (
len(args) == 1
), f"'int' takes only one argument, but {len(args)} were given"
typ = args[0]
assert isinstance(typ, InstanceType), "Can only create ints from instances"
assert any(
isinstance(typ.typ, t) for t in (IntegerType, StringType, BoolType)
), "Can only create integers from int, str or bool"
return FunctionType(args, IntegerInstanceType)
def impl_from_args(self, args: typing.List[Type]) -> plt.AST:
arg = args[0]
assert isinstance(arg, InstanceType), "Can only create ints from instances"
if isinstance(arg.typ, IntegerType):
return OLambda(["x"], OVar("x"))
elif isinstance(arg.typ, BoolType):
return OLambda(
["x"], plt.IfThenElse(OVar("x"), plt.Integer(1), plt.Integer(0))
)
elif isinstance(arg.typ, StringType):
return OLambda(
["x"],
OLet(
[
("e", plt.EncodeUtf8(OVar("x"))),
("len", plt.LengthOfByteString(OVar("e"))),
(
"first_int",
plt.Ite(
plt.LessThanInteger(plt.Integer(0), OVar("len")),
plt.IndexByteString(OVar("e"), plt.Integer(0)),
plt.Integer(ord("_")),
),
),
(
"last_int",
plt.IndexByteString(
OVar("e"),
plt.SubtractInteger(OVar("len"), plt.Integer(1)),
),
),
(
"fold_start",
OLambda(
["start"],
plt.FoldList(
plt.Range(OVar("len"), OVar("start")),
OLambda(
["s", "i"],
OLet(
[
(
"b",
plt.IndexByteString(
OVar("e"), OVar("i")
),
)
],
plt.Ite(
plt.EqualsInteger(
OVar("b"), plt.Integer(ord("_"))
),
OVar("s"),
plt.Ite(
plt.Or(
plt.LessThanInteger(
OVar("b"),
plt.Integer(ord("0")),
),
plt.LessThanInteger(
plt.Integer(ord("9")),
OVar("b"),
),
),
plt.TraceError(
"ValueError: invalid literal for int() with base 10"
),
plt.AddInteger(
plt.SubtractInteger(
OVar("b"),
plt.Integer(ord("0")),
),
plt.MultiplyInteger(
OVar("s"),
plt.Integer(10),
),
),
),
),
),
),
plt.Integer(0),
),
),
),
],
plt.Ite(
plt.Or(
plt.Or(
plt.EqualsInteger(
OVar("first_int"),
plt.Integer(ord("_")),
),
plt.EqualsInteger(
OVar("last_int"),
plt.Integer(ord("_")),
),
),
plt.And(
plt.EqualsInteger(OVar("len"), plt.Integer(1)),
plt.Or(
plt.EqualsInteger(
OVar("first_int"),
plt.Integer(ord("-")),
),
plt.EqualsInteger(
OVar("first_int"),
plt.Integer(ord("+")),
),
),
),
),
plt.TraceError(
"ValueError: invalid literal for int() with base 10"
),
plt.Ite(
plt.EqualsInteger(
OVar("first_int"),
plt.Integer(ord("-")),
),
plt.Negate(
plt.Apply(OVar("fold_start"), plt.Integer(1)),
),
plt.Ite(
plt.EqualsInteger(
OVar("first_int"),
plt.Integer(ord("+")),
),
plt.Apply(OVar("fold_start"), plt.Integer(1)),
plt.Apply(OVar("fold_start"), plt.Integer(0)),
),
),
),
),
)
else:
raise NotImplementedError(
f"Can not derive integer from type {arg.typ.python_type()}"
)
class BoolImpl(PolymorphicFunction):
def type_from_args(self, args: typing.List[Type]) -> FunctionType:
assert (
len(args) == 1
), f"'bool' takes only one argument, but {len(args)} were given"
typ = args[0]
assert isinstance(typ, InstanceType), "Can only create bools from instances"
assert any(
isinstance(typ.typ, t)
for t in (
IntegerType,
StringType,
ByteStringType,
BoolType,
UnitType,
ListType,
DictType,
)
), "Can only create bools from int, str, bool, bytes, None, list or dict"
return FunctionType(args, BoolInstanceType)
def impl_from_args(self, args: typing.List[Type]) -> plt.AST:
arg = args[0]
assert isinstance(arg, InstanceType), "Can only create bools from instances"
if isinstance(arg.typ, BoolType):
return OLambda(["x"], OVar("x"))
elif isinstance(arg.typ, IntegerType):
return OLambda(["x"], plt.NotEqualsInteger(OVar("x"), plt.Integer(0)))
elif isinstance(arg.typ, StringType):
return OLambda(
["x"],
plt.NotEqualsInteger(
plt.LengthOfByteString(plt.EncodeUtf8(OVar("x"))), plt.Integer(0)
),
)
elif isinstance(arg.typ, ByteStringType):
return OLambda(
["x"],
plt.NotEqualsInteger(plt.LengthOfByteString(OVar("x")), plt.Integer(0)),
)
elif isinstance(arg.typ, ListType) or isinstance(arg.typ, DictType):
return OLambda(["x"], plt.Not(plt.NullList(OVar("x"))))
elif isinstance(arg.typ, UnitType):
return OLambda(["x"], plt.Bool(False))
else:
raise NotImplementedError(
f"Can not derive bool from type {arg.typ.python_type()}"
)
class BytesImpl(PolymorphicFunction):
def type_from_args(self, args: typing.List[Type]) -> FunctionType:
assert (
len(args) == 1
), f"'bytes' takes only one argument, but {len(args)} were given"
typ = args[0]
assert isinstance(typ, InstanceType), "Can only create bools from instances"
assert any(
isinstance(typ.typ, t)
for t in (
IntegerType,
ByteStringType,
ListType,
)
), "Can only create bytes from int, bytes or integer lists"
if isinstance(typ.typ, ListType):
assert (
typ.typ.typ == IntegerInstanceType
), "Can only create bytes from integer lists but got a list with another type"
return FunctionType(args, ByteStringInstanceType)
def impl_from_args(self, args: typing.List[Type]) -> plt.AST:
arg = args[0]
assert isinstance(arg, InstanceType), "Can only create bytes from instances"
if isinstance(arg.typ, ByteStringType):
return OLambda(["x"], OVar("x"))
elif isinstance(arg.typ, IntegerType):
return OLambda(
["x"],
plt.Ite(
plt.LessThanInteger(OVar("x"), plt.Integer(0)),
plt.TraceError("ValueError: negative count"),
ByteStrIntMulImpl(plt.ByteString(b"\x00"), OVar("x")),
),
)
elif isinstance(arg.typ, ListType):
return OLambda(
["xs"],
plt.RFoldList(
OVar("xs"),
OLambda(["a", "x"], plt.ConsByteString(OVar("x"), OVar("a"))),
plt.ByteString(b""),
),
)
else:
raise NotImplementedError(
f"Can not derive bytes from type {arg.typ.python_type()}"
)
@dataclass(frozen=True, unsafe_hash=True)
class PolymorphicFunctionType(ClassType):
"""A special type of builtin that may act differently on different parameters"""
polymorphic_function: PolymorphicFunction
def __ge__(self, other):
return (
isinstance(other, PolymorphicFunctionType)
and self.polymorphic_function == other.polymorphic_function
)
def python_type(self):
return (
f"PolymorphicFunctionType({self.polymorphic_function.__class__.__name__})"
)
@dataclass(frozen=True, unsafe_hash=True)
class PolymorphicFunctionInstanceType(InstanceType):
typ: FunctionType
polymorphic_function: PolymorphicFunction
def python_type(self):
return self.typ.python_type()
EmptyListMap = {
IntegerInstanceType: plt.EmptyIntegerList(),
ByteStringInstanceType: plt.EmptyByteStringList(),
StringInstanceType: plt.EmptyTextList(),
UnitInstanceType: plt.EmptyUnitList(),
BoolInstanceType: plt.EmptyBoolList(),
}
def empty_list(p: Type):
if p in EmptyListMap:
return EmptyListMap[p]
assert isinstance(p, InstanceType), "Can only create lists of instances"
if isinstance(p.typ, ListType):
el = empty_list(p.typ.typ)
return plt.EmptyListList(uplc.BuiltinList([], el.sample_value))
if isinstance(p.typ, DictType):
return plt.EmptyListList(
uplc.BuiltinList(
[],
uplc.BuiltinPair(
uplc.PlutusConstr(0, frozenlist([])),
uplc.PlutusConstr(0, frozenlist([])),
),
)
)
if (
isinstance(p.typ, RecordType)
or isinstance(p.typ, AnyType)
or isinstance(p.typ, UnionType)
):
return plt.EmptyDataList()
raise NotImplementedError(f"Empty lists of type {p} can't be constructed yet")
TransformExtParamsMap = {
IntegerInstanceType: lambda x: plt.UnIData(x),
ByteStringInstanceType: lambda x: plt.UnBData(x),
StringInstanceType: lambda x: plt.DecodeUtf8(plt.UnBData(x)),
UnitInstanceType: lambda x: plt.Apply(OLambda(["_"], plt.Unit())),
BoolInstanceType: lambda x: plt.NotEqualsInteger(plt.UnIData(x), plt.Integer(0)),
}
def transform_ext_params_map(p: Type):
assert isinstance(
p, InstanceType
), "Can only transform instances, not classes as input"
if p in TransformExtParamsMap:
return TransformExtParamsMap[p]
if isinstance(p.typ, ListType):
list_int_typ = p.typ.typ
return lambda x: plt.MapList(
plt.UnListData(x),
OLambda(["x"], transform_ext_params_map(list_int_typ)(OVar("x"))),
empty_list(p.typ.typ),
)
if isinstance(p.typ, DictType):
# there doesn't appear to be a constructor function to make Pair a b for any types
# so pairs will always contain Data
return lambda x: plt.UnMapData(x)
return lambda x: x
TransformOutputMap = {
StringInstanceType: lambda x: plt.BData(plt.EncodeUtf8(x)),
IntegerInstanceType: lambda x: plt.IData(x),
ByteStringInstanceType: lambda x: plt.BData(x),
UnitInstanceType: lambda x: plt.Apply(
OLambda(["_"], plt.ConstrData(plt.Integer(0), plt.EmptyDataList())), x
),
BoolInstanceType: lambda x: plt.IData(
plt.IfThenElse(x, plt.Integer(1), plt.Integer(0))
),
}
def transform_output_map(p: Type):
assert isinstance(
p, InstanceType
), "Can only transform instances, not classes as input"
if isinstance(p.typ, FunctionType) or isinstance(p.typ, PolymorphicFunction):
raise NotImplementedError(
"Can not map functions into PlutusData and hence not return them from a function as Anything"
)
if p in TransformOutputMap:
return TransformOutputMap[p]
if isinstance(p.typ, ListType):
list_int_typ = p.typ.typ
return lambda x: plt.ListData(
plt.MapList(
x,
OLambda(["x"], transform_output_map(list_int_typ)(OVar("x"))),
),
)
if isinstance(p.typ, DictType):
# there doesn't appear to be a constructor function to make Pair a b for any types
# so pairs will always contain Data
return lambda x: plt.MapData(x)
return lambda x: xFunctions
def ByteStrIntMulImpl(x: pluthon.pluthon_ast.AST, y: pluthon.pluthon_ast.AST)-
Expand source code
def RepeatedAdd(x: plt.AST, y: plt.AST): return plt.Apply( plt.RecFun( OLambda( ["f", "y", "x", "n"], plt.Ite( plt.LessThanEqualsInteger(OVar("n"), plt.Integer(0)), OVar("y"), OLet( [ ( "n_half", plt.DivideInteger(OVar("n"), plt.Integer(2)), ) ], plt.Ite( # tests whether (x//2)*2 == x which is True iff x is even plt.EqualsInteger( plt.AddInteger(OVar("n_half"), OVar("n_half")), OVar("n"), ), plt.Apply( OVar("f"), OVar("f"), OVar("y"), add(OVar("x"), OVar("x")), OVar("n_half"), ), plt.Apply( OVar("f"), OVar("f"), add(OVar("y"), OVar("x")), add(OVar("x"), OVar("x")), OVar("n_half"), ), ), ), ), ), ), zero, x, y, ) def PowImpl(x: pluthon.pluthon_ast.AST, y: pluthon.pluthon_ast.AST)-
Expand source code
def RepeatedAdd(x: plt.AST, y: plt.AST): return plt.Apply( plt.RecFun( OLambda( ["f", "y", "x", "n"], plt.Ite( plt.LessThanEqualsInteger(OVar("n"), plt.Integer(0)), OVar("y"), OLet( [ ( "n_half", plt.DivideInteger(OVar("n"), plt.Integer(2)), ) ], plt.Ite( # tests whether (x//2)*2 == x which is True iff x is even plt.EqualsInteger( plt.AddInteger(OVar("n_half"), OVar("n_half")), OVar("n"), ), plt.Apply( OVar("f"), OVar("f"), OVar("y"), add(OVar("x"), OVar("x")), OVar("n_half"), ), plt.Apply( OVar("f"), OVar("f"), add(OVar("y"), OVar("x")), add(OVar("x"), OVar("x")), OVar("n_half"), ), ), ), ), ), ), zero, x, y, ) def StrIntMulImpl(x: pluthon.pluthon_ast.AST, y: pluthon.pluthon_ast.AST)-
Expand source code
def RepeatedAdd(x: plt.AST, y: plt.AST): return plt.Apply( plt.RecFun( OLambda( ["f", "y", "x", "n"], plt.Ite( plt.LessThanEqualsInteger(OVar("n"), plt.Integer(0)), OVar("y"), OLet( [ ( "n_half", plt.DivideInteger(OVar("n"), plt.Integer(2)), ) ], plt.Ite( # tests whether (x//2)*2 == x which is True iff x is even plt.EqualsInteger( plt.AddInteger(OVar("n_half"), OVar("n_half")), OVar("n"), ), plt.Apply( OVar("f"), OVar("f"), OVar("y"), add(OVar("x"), OVar("x")), OVar("n_half"), ), plt.Apply( OVar("f"), OVar("f"), add(OVar("y"), OVar("x")), add(OVar("x"), OVar("x")), OVar("n_half"), ), ), ), ), ), ), zero, x, y, ) def empty_list(p: Type)-
Expand source code
def empty_list(p: Type): if p in EmptyListMap: return EmptyListMap[p] assert isinstance(p, InstanceType), "Can only create lists of instances" if isinstance(p.typ, ListType): el = empty_list(p.typ.typ) return plt.EmptyListList(uplc.BuiltinList([], el.sample_value)) if isinstance(p.typ, DictType): return plt.EmptyListList( uplc.BuiltinList( [], uplc.BuiltinPair( uplc.PlutusConstr(0, frozenlist([])), uplc.PlutusConstr(0, frozenlist([])), ), ) ) if ( isinstance(p.typ, RecordType) or isinstance(p.typ, AnyType) or isinstance(p.typ, UnionType) ): return plt.EmptyDataList() raise NotImplementedError(f"Empty lists of type {p} can't be constructed yet") def repeated_addition(zero, add)-
Expand source code
def repeated_addition(zero, add): # this is optimized for logarithmic complexity by exponentiation by squaring # it follows the implementation described here: https://en.wikipedia.org/wiki/Exponentiation_by_squaring#With_constant_auxiliary_memory def RepeatedAdd(x: plt.AST, y: plt.AST): return plt.Apply( plt.RecFun( OLambda( ["f", "y", "x", "n"], plt.Ite( plt.LessThanEqualsInteger(OVar("n"), plt.Integer(0)), OVar("y"), OLet( [ ( "n_half", plt.DivideInteger(OVar("n"), plt.Integer(2)), ) ], plt.Ite( # tests whether (x//2)*2 == x which is True iff x is even plt.EqualsInteger( plt.AddInteger(OVar("n_half"), OVar("n_half")), OVar("n"), ), plt.Apply( OVar("f"), OVar("f"), OVar("y"), add(OVar("x"), OVar("x")), OVar("n_half"), ), plt.Apply( OVar("f"), OVar("f"), add(OVar("y"), OVar("x")), add(OVar("x"), OVar("x")), OVar("n_half"), ), ), ), ), ), ), zero, x, y, ) return RepeatedAdd def transform_ext_params_map(p: Type)-
Expand source code
def transform_ext_params_map(p: Type): assert isinstance( p, InstanceType ), "Can only transform instances, not classes as input" if p in TransformExtParamsMap: return TransformExtParamsMap[p] if isinstance(p.typ, ListType): list_int_typ = p.typ.typ return lambda x: plt.MapList( plt.UnListData(x), OLambda(["x"], transform_ext_params_map(list_int_typ)(OVar("x"))), empty_list(p.typ.typ), ) if isinstance(p.typ, DictType): # there doesn't appear to be a constructor function to make Pair a b for any types # so pairs will always contain Data return lambda x: plt.UnMapData(x) return lambda x: x def transform_output_map(p: Type)-
Expand source code
def transform_output_map(p: Type): assert isinstance( p, InstanceType ), "Can only transform instances, not classes as input" if isinstance(p.typ, FunctionType) or isinstance(p.typ, PolymorphicFunction): raise NotImplementedError( "Can not map functions into PlutusData and hence not return them from a function as Anything" ) if p in TransformOutputMap: return TransformOutputMap[p] if isinstance(p.typ, ListType): list_int_typ = p.typ.typ return lambda x: plt.ListData( plt.MapList( x, OLambda(["x"], transform_output_map(list_int_typ)(OVar("x"))), ), ) if isinstance(p.typ, DictType): # there doesn't appear to be a constructor function to make Pair a b for any types # so pairs will always contain Data return lambda x: plt.MapData(x) return lambda x: x
Classes
class AnyType-
The top element in the partial order on types (excluding FunctionTypes, which do not compare to anything)
Expand source code
@dataclass(frozen=True, unsafe_hash=True) class AnyType(ClassType): """The top element in the partial order on types (excluding FunctionTypes, which do not compare to anything)""" def pluthon_type(self, skip_constructor: bool = False) -> str: return "any" def python_type(self): return "Any" def attribute_type(self, attr: str) -> Type: """The types of the named attributes of this class""" return super().attribute_type(attr) def attribute(self, attr: str) -> plt.AST: """The attributes of this class. Need to be a lambda that expects as first argument the object itself""" return super().attribute(attr) def __ge__(self, other): return ( isinstance(other, ClassType) and not isinstance(other, FunctionType) and not isinstance(other, PolymorphicFunctionType) ) def cmp(self, op: cmpop, o: "Type") -> plt.AST: """The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second the comparison.""" # this will reject comparisons that will always be false - most likely due to faults during programming if ( (isinstance(o, RecordType)) or isinstance(o, UnionType) or isinstance(o, AnyType) ): # Note that comparison with Record and UnionType is actually fine because both are Data if isinstance(op, Eq): return plt.BuiltIn(uplc.BuiltInFun.EqualsData) if isinstance(op, NotEq): return OLambda( ["x", "y"], plt.Not( plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsData), OVar("x"), OVar("y"), ) ), ) if ( isinstance(o, ListType) and isinstance(o.typ, InstanceType) and (o.typ.typ >= self or self >= o.typ.typ) ): if isinstance(op, In): return OLambda( ["x", "y"], plt.AnyList( OVar("y"), plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsData), OVar("x"), ), ), ) if isinstance(op, NotIn): return OLambda( ["x", "y"], plt.Not( plt.AnyList( OVar("y"), plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsData), OVar("x"), ), ), ), ) return super().cmp(op, o) def stringify(self, recursive: bool = False) -> plt.AST: OPSHIN_LOGGER.warning( "Serializing AnyType will result in RawPlutusData (CBOR representation) to be printed without additional type information. Annotate types where possible to avoid this warning." ) return OLambda( ["self"], OLet( [ ( "joinMapList", OLambda( ["m", "l", "start", "end"], OLet( [ ( "g", plt.RecFun( OLambda( ["f", "l"], plt.AppendString( plt.Apply( OVar("m"), plt.HeadList(OVar("l")), ), OLet( [ ( "t", plt.TailList(OVar("l")), ) ], plt.IteNullList( OVar("t"), OVar("end"), plt.AppendString( plt.Text(", "), plt.Apply( OVar("f"), OVar("f"), OVar("t"), ), ), ), ), ), ) ), ) ], plt.AppendString( OVar("start"), plt.IteNullList( OVar("l"), OVar("end"), plt.Apply( OVar("g"), OVar("l"), ), ), ), ), ), ), ( "stringifyPlutusData", plt.RecFun( OLambda( ["f", "d"], plt.DelayedChooseData( OVar("d"), OLet( [ ( "constructor", plt.FstPair( plt.UnConstrData(OVar("d")) ), ) ], plt.Ite( plt.LessThanInteger( OVar("constructor"), plt.Integer(128), ), plt.ConcatString( plt.Text("CBORTag("), plt.Apply( OVar("f"), OVar("f"), plt.IData( plt.AddInteger( OVar("constructor"), plt.Ite( plt.LessThanInteger( OVar("constructor"), plt.Integer(7), ), plt.Integer(121), plt.Integer(1280 - 7), ), ) ), ), plt.Text(", "), plt.Apply( OVar("f"), OVar("f"), plt.ListData( plt.SndPair( plt.UnConstrData(OVar("d")) ) ), ), plt.Text(")"), ), plt.ConcatString( plt.Text("CBORTag(102, "), plt.Apply( OVar("f"), OVar("f"), plt.ListData( plt.MkCons( plt.IData( OVar("constructor") ), plt.MkCons( plt.ListData( plt.SndPair( plt.UnConstrData( OVar("d") ) ) ), plt.EmptyDataList(), ), ) ), ), plt.Text(")"), ), ), ), plt.Apply( OVar("joinMapList"), OLambda( ["x"], plt.ConcatString( plt.Apply( OVar("f"), OVar("f"), plt.FstPair(OVar("x")), ), plt.Text(": "), plt.Apply( OVar("f"), OVar("f"), plt.SndPair(OVar("x")), ), ), ), plt.UnMapData(OVar("d")), plt.Text("{"), plt.Text("}"), ), plt.Apply( OVar("joinMapList"), OLambda( ["x"], plt.Apply( OVar("f"), OVar("f"), OVar("x"), ), ), plt.UnListData(OVar("d")), plt.Text("["), plt.Text("]"), ), plt.Apply( IntegerInstanceType.stringify(recursive=True), plt.UnIData(OVar("d")), ), plt.Apply( ByteStringInstanceType.stringify( recursive=True ), plt.UnBData(OVar("d")), ), ), ) ), ), ], plt.ConcatString( plt.Text("RawPlutusData(data="), plt.Apply(OVar("stringifyPlutusData"), OVar("self")), plt.Text(")"), ), ), ) def copy_only_attributes(self) -> plt.AST: """Any is always valid, just returns""" return OLambda(["self"], OVar("self"))Ancestors
Methods
def attribute(self, attr: str) ‑> pluthon.pluthon_ast.AST-
The attributes of this class. Need to be a lambda that expects as first argument the object itself
Expand source code
def attribute(self, attr: str) -> plt.AST: """The attributes of this class. Need to be a lambda that expects as first argument the object itself""" return super().attribute(attr) def attribute_type(self, attr: str) ‑> Type-
Inherited from:
ClassType.attribute_typeThe types of the named attributes of this class
Expand source code
def attribute_type(self, attr: str) -> Type: """The types of the named attributes of this class""" return super().attribute_type(attr) def binop(self, binop: ast.operator, other: ast.AST) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.binopImplements a binary operation between self and other
def binop_type(self, binop: ast.operator, other: Type) ‑> Type-
Inherited from:
ClassType.binop_typeType of a binary operation between self and other.
def cmp(self, op: ast.cmpop, o: Type) ‑> pluthon.pluthon_ast.AST-
The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second …
Expand source code
def cmp(self, op: cmpop, o: "Type") -> plt.AST: """The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second the comparison.""" # this will reject comparisons that will always be false - most likely due to faults during programming if ( (isinstance(o, RecordType)) or isinstance(o, UnionType) or isinstance(o, AnyType) ): # Note that comparison with Record and UnionType is actually fine because both are Data if isinstance(op, Eq): return plt.BuiltIn(uplc.BuiltInFun.EqualsData) if isinstance(op, NotEq): return OLambda( ["x", "y"], plt.Not( plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsData), OVar("x"), OVar("y"), ) ), ) if ( isinstance(o, ListType) and isinstance(o.typ, InstanceType) and (o.typ.typ >= self or self >= o.typ.typ) ): if isinstance(op, In): return OLambda( ["x", "y"], plt.AnyList( OVar("y"), plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsData), OVar("x"), ), ), ) if isinstance(op, NotIn): return OLambda( ["x", "y"], plt.Not( plt.AnyList( OVar("y"), plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsData), OVar("x"), ), ), ), ) return super().cmp(op, o) def constr(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.constrThe constructor for this class
def constr_type(self) ‑> InstanceType-
Inherited from:
ClassType.constr_typeThe type of the constructor for this class
def copy_only_attributes(self) ‑> pluthon.pluthon_ast.AST-
Any is always valid, just returns
Expand source code
def copy_only_attributes(self) -> plt.AST: """Any is always valid, just returns""" return OLambda(["self"], OVar("self")) def pluthon_type(self, skip_constructor: bool = False) ‑> str-
Inherited from:
ClassType.pluthon_typeReturns a representation of the type in pluthon.
Expand source code
def pluthon_type(self, skip_constructor: bool = False) -> str: return "any" def python_type(self)-
Inherited from:
ClassType.python_typeReturns a representation of the type in python.
Expand source code
def python_type(self): return "Any" def stringify(self, recursive: bool = False) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.stringifyReturns a stringified version of the object …
Expand source code
def stringify(self, recursive: bool = False) -> plt.AST: OPSHIN_LOGGER.warning( "Serializing AnyType will result in RawPlutusData (CBOR representation) to be printed without additional type information. Annotate types where possible to avoid this warning." ) return OLambda( ["self"], OLet( [ ( "joinMapList", OLambda( ["m", "l", "start", "end"], OLet( [ ( "g", plt.RecFun( OLambda( ["f", "l"], plt.AppendString( plt.Apply( OVar("m"), plt.HeadList(OVar("l")), ), OLet( [ ( "t", plt.TailList(OVar("l")), ) ], plt.IteNullList( OVar("t"), OVar("end"), plt.AppendString( plt.Text(", "), plt.Apply( OVar("f"), OVar("f"), OVar("t"), ), ), ), ), ), ) ), ) ], plt.AppendString( OVar("start"), plt.IteNullList( OVar("l"), OVar("end"), plt.Apply( OVar("g"), OVar("l"), ), ), ), ), ), ), ( "stringifyPlutusData", plt.RecFun( OLambda( ["f", "d"], plt.DelayedChooseData( OVar("d"), OLet( [ ( "constructor", plt.FstPair( plt.UnConstrData(OVar("d")) ), ) ], plt.Ite( plt.LessThanInteger( OVar("constructor"), plt.Integer(128), ), plt.ConcatString( plt.Text("CBORTag("), plt.Apply( OVar("f"), OVar("f"), plt.IData( plt.AddInteger( OVar("constructor"), plt.Ite( plt.LessThanInteger( OVar("constructor"), plt.Integer(7), ), plt.Integer(121), plt.Integer(1280 - 7), ), ) ), ), plt.Text(", "), plt.Apply( OVar("f"), OVar("f"), plt.ListData( plt.SndPair( plt.UnConstrData(OVar("d")) ) ), ), plt.Text(")"), ), plt.ConcatString( plt.Text("CBORTag(102, "), plt.Apply( OVar("f"), OVar("f"), plt.ListData( plt.MkCons( plt.IData( OVar("constructor") ), plt.MkCons( plt.ListData( plt.SndPair( plt.UnConstrData( OVar("d") ) ) ), plt.EmptyDataList(), ), ) ), ), plt.Text(")"), ), ), ), plt.Apply( OVar("joinMapList"), OLambda( ["x"], plt.ConcatString( plt.Apply( OVar("f"), OVar("f"), plt.FstPair(OVar("x")), ), plt.Text(": "), plt.Apply( OVar("f"), OVar("f"), plt.SndPair(OVar("x")), ), ), ), plt.UnMapData(OVar("d")), plt.Text("{"), plt.Text("}"), ), plt.Apply( OVar("joinMapList"), OLambda( ["x"], plt.Apply( OVar("f"), OVar("f"), OVar("x"), ), ), plt.UnListData(OVar("d")), plt.Text("["), plt.Text("]"), ), plt.Apply( IntegerInstanceType.stringify(recursive=True), plt.UnIData(OVar("d")), ), plt.Apply( ByteStringInstanceType.stringify( recursive=True ), plt.UnBData(OVar("d")), ), ), ) ), ), ], plt.ConcatString( plt.Text("RawPlutusData(data="), plt.Apply(OVar("stringifyPlutusData"), OVar("self")), plt.Text(")"), ), ), ) def unop(self, unop: ast.unaryop) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.unopImplements a unary operation on self
def unop_type(self, unop: ast.unaryop) ‑> Type-
Inherited from:
ClassType.unop_typeType of a unary operation on self.
class AtomicType-
AtomicType()
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@dataclass(frozen=True, unsafe_hash=True) class AtomicType(ClassType): def __ge__(self, other): # Can only substitute for its own type (also subtypes) return isinstance(other, self.__class__)Ancestors
Subclasses
Methods
def attribute(self, attr) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.attributeThe attributes of this class. Needs to be a lambda that expects as first argument the object itself
def attribute_type(self, attr) ‑> Type-
Inherited from:
ClassType.attribute_typeThe types of the named attributes of this class
def binop(self, binop: ast.operator, other: ast.AST) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.binopImplements a binary operation between self and other
def binop_type(self, binop: ast.operator, other: Type) ‑> Type-
Inherited from:
ClassType.binop_typeType of a binary operation between self and other.
def cmp(self, op: ast.cmpop, o: Type) ‑> pluthon.pluthon_ast.AST-
The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second …
def constr(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.constrThe constructor for this class
def constr_type(self) ‑> InstanceType-
Inherited from:
ClassType.constr_typeThe type of the constructor for this class
def copy_only_attributes(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.copy_only_attributesPluthon function that returns a copy of only the attributes of the object This can only be called for UnionType and RecordType, as such the input data …
def pluthon_type(self, skip_constructor: bool = False) ‑> str-
Inherited from:
ClassType.pluthon_typeReturns a representation of the type in pluthon.
def python_type(self)-
Inherited from:
ClassType.python_typeReturns a representation of the type in python.
def stringify(self, recursive: bool = False) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.stringifyReturns a stringified version of the object …
def unop(self, unop: ast.unaryop) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.unopImplements a unary operation on self
def unop_type(self, unop: ast.unaryop) ‑> Type-
Inherited from:
ClassType.unop_typeType of a unary operation on self.
class BoolImpl (*args, **kwargs)-
Expand source code
class BoolImpl(PolymorphicFunction): def type_from_args(self, args: typing.List[Type]) -> FunctionType: assert ( len(args) == 1 ), f"'bool' takes only one argument, but {len(args)} were given" typ = args[0] assert isinstance(typ, InstanceType), "Can only create bools from instances" assert any( isinstance(typ.typ, t) for t in ( IntegerType, StringType, ByteStringType, BoolType, UnitType, ListType, DictType, ) ), "Can only create bools from int, str, bool, bytes, None, list or dict" return FunctionType(args, BoolInstanceType) def impl_from_args(self, args: typing.List[Type]) -> plt.AST: arg = args[0] assert isinstance(arg, InstanceType), "Can only create bools from instances" if isinstance(arg.typ, BoolType): return OLambda(["x"], OVar("x")) elif isinstance(arg.typ, IntegerType): return OLambda(["x"], plt.NotEqualsInteger(OVar("x"), plt.Integer(0))) elif isinstance(arg.typ, StringType): return OLambda( ["x"], plt.NotEqualsInteger( plt.LengthOfByteString(plt.EncodeUtf8(OVar("x"))), plt.Integer(0) ), ) elif isinstance(arg.typ, ByteStringType): return OLambda( ["x"], plt.NotEqualsInteger(plt.LengthOfByteString(OVar("x")), plt.Integer(0)), ) elif isinstance(arg.typ, ListType) or isinstance(arg.typ, DictType): return OLambda(["x"], plt.Not(plt.NullList(OVar("x")))) elif isinstance(arg.typ, UnitType): return OLambda(["x"], plt.Bool(False)) else: raise NotImplementedError( f"Can not derive bool from type {arg.typ.python_type()}" )Ancestors
Methods
def impl_from_args(self, args: List[Type]) ‑> pluthon.pluthon_ast.AST-
Expand source code
def impl_from_args(self, args: typing.List[Type]) -> plt.AST: arg = args[0] assert isinstance(arg, InstanceType), "Can only create bools from instances" if isinstance(arg.typ, BoolType): return OLambda(["x"], OVar("x")) elif isinstance(arg.typ, IntegerType): return OLambda(["x"], plt.NotEqualsInteger(OVar("x"), plt.Integer(0))) elif isinstance(arg.typ, StringType): return OLambda( ["x"], plt.NotEqualsInteger( plt.LengthOfByteString(plt.EncodeUtf8(OVar("x"))), plt.Integer(0) ), ) elif isinstance(arg.typ, ByteStringType): return OLambda( ["x"], plt.NotEqualsInteger(plt.LengthOfByteString(OVar("x")), plt.Integer(0)), ) elif isinstance(arg.typ, ListType) or isinstance(arg.typ, DictType): return OLambda(["x"], plt.Not(plt.NullList(OVar("x")))) elif isinstance(arg.typ, UnitType): return OLambda(["x"], plt.Bool(False)) else: raise NotImplementedError( f"Can not derive bool from type {arg.typ.python_type()}" ) def type_from_args(self, args: List[Type]) ‑> FunctionType-
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def type_from_args(self, args: typing.List[Type]) -> FunctionType: assert ( len(args) == 1 ), f"'bool' takes only one argument, but {len(args)} were given" typ = args[0] assert isinstance(typ, InstanceType), "Can only create bools from instances" assert any( isinstance(typ.typ, t) for t in ( IntegerType, StringType, ByteStringType, BoolType, UnitType, ListType, DictType, ) ), "Can only create bools from int, str, bool, bytes, None, list or dict" return FunctionType(args, BoolInstanceType)
class BoolType-
BoolType()
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@dataclass(frozen=True, unsafe_hash=True) class BoolType(AtomicType): def python_type(self): return "bool" def constr_type(self) -> "InstanceType": return InstanceType(PolymorphicFunctionType(BoolImpl())) def cmp(self, op: cmpop, o: "Type") -> plt.AST: if isinstance(o, IntegerType): if isinstance(op, Eq): # 1 == True # 0 == False # all other comparisons are False return OLambda( ["y", "x"], plt.Ite( OVar("y"), plt.EqualsInteger(OVar("x"), plt.Integer(1)), plt.EqualsInteger(OVar("x"), plt.Integer(0)), ), ) if isinstance(op, NotEq): return OLambda( ["y", "x"], plt.Ite( OVar("y"), plt.NotEqualsInteger(OVar("x"), plt.Integer(1)), plt.NotEqualsInteger(OVar("x"), plt.Integer(0)), ), ) if isinstance(o, BoolType): if isinstance(op, Eq): return OLambda(["x", "y"], plt.Iff(OVar("x"), OVar("y"))) if isinstance(op, NotEq): return OLambda(["x", "y"], plt.Not(plt.Iff(OVar("x"), OVar("y")))) if isinstance(op, Lt): return OLambda(["x", "y"], plt.And(plt.Not(OVar("x")), OVar("y"))) if isinstance(op, Gt): return OLambda(["x", "y"], plt.And(OVar("x"), plt.Not(OVar("y")))) return super().cmp(op, o) def stringify(self, recursive: bool = False) -> plt.AST: return OLambda( ["self"], plt.Ite( OVar("self"), plt.Text("True"), plt.Text("False"), ), ) def _unop_return_type(self, unop: unaryop) -> "Type": if isinstance(unop, Not): return BoolType() return super()._unop_return_type(unop) def _unop_fun(self, unop: unaryop) -> Callable[[plt.AST], plt.AST]: if isinstance(unop, Not): return plt.Not return super()._unop_fun(unop) def copy_only_attributes(self) -> plt.AST: return OLambda( ["self"], plt.DelayedChooseData( OVar("self"), plt.TraceError( f"IntegrityError: Expected PlutusByteInteger but got PlutusData" ), plt.TraceError( f"IntegrityError: Expected PlutusByteInteger but got PlutusMap" ), plt.TraceError( f"IntegrityError: Expected PlutusByteInteger but got PlutusList" ), OVar("self"), plt.TraceError( f"IntegrityError: Expected PlutusByteInteger but got PlutusByteString" ), ), )Ancestors
Methods
def attribute(self, attr) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.attributeThe attributes of this class. Needs to be a lambda that expects as first argument the object itself
def attribute_type(self, attr) ‑> Type-
Inherited from:
AtomicType.attribute_typeThe types of the named attributes of this class
def binop(self, binop: ast.operator, other: ast.AST) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.binopImplements a binary operation between self and other
def binop_type(self, binop: ast.operator, other: Type) ‑> Type-
Inherited from:
AtomicType.binop_typeType of a binary operation between self and other.
def cmp(self, op: ast.cmpop, o: Type) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.cmpThe implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second …
Expand source code
def cmp(self, op: cmpop, o: "Type") -> plt.AST: if isinstance(o, IntegerType): if isinstance(op, Eq): # 1 == True # 0 == False # all other comparisons are False return OLambda( ["y", "x"], plt.Ite( OVar("y"), plt.EqualsInteger(OVar("x"), plt.Integer(1)), plt.EqualsInteger(OVar("x"), plt.Integer(0)), ), ) if isinstance(op, NotEq): return OLambda( ["y", "x"], plt.Ite( OVar("y"), plt.NotEqualsInteger(OVar("x"), plt.Integer(1)), plt.NotEqualsInteger(OVar("x"), plt.Integer(0)), ), ) if isinstance(o, BoolType): if isinstance(op, Eq): return OLambda(["x", "y"], plt.Iff(OVar("x"), OVar("y"))) if isinstance(op, NotEq): return OLambda(["x", "y"], plt.Not(plt.Iff(OVar("x"), OVar("y")))) if isinstance(op, Lt): return OLambda(["x", "y"], plt.And(plt.Not(OVar("x")), OVar("y"))) if isinstance(op, Gt): return OLambda(["x", "y"], plt.And(OVar("x"), plt.Not(OVar("y")))) return super().cmp(op, o) def constr(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.constrThe constructor for this class
def constr_type(self) ‑> InstanceType-
Inherited from:
AtomicType.constr_typeThe type of the constructor for this class
Expand source code
def constr_type(self) -> "InstanceType": return InstanceType(PolymorphicFunctionType(BoolImpl())) def copy_only_attributes(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.copy_only_attributesPluthon function that returns a copy of only the attributes of the object This can only be called for UnionType and RecordType, as such the input data …
Expand source code
def copy_only_attributes(self) -> plt.AST: return OLambda( ["self"], plt.DelayedChooseData( OVar("self"), plt.TraceError( f"IntegrityError: Expected PlutusByteInteger but got PlutusData" ), plt.TraceError( f"IntegrityError: Expected PlutusByteInteger but got PlutusMap" ), plt.TraceError( f"IntegrityError: Expected PlutusByteInteger but got PlutusList" ), OVar("self"), plt.TraceError( f"IntegrityError: Expected PlutusByteInteger but got PlutusByteString" ), ), ) def pluthon_type(self, skip_constructor: bool = False) ‑> str-
Inherited from:
AtomicType.pluthon_typeReturns a representation of the type in pluthon.
def python_type(self)-
Inherited from:
AtomicType.python_typeReturns a representation of the type in python.
Expand source code
def python_type(self): return "bool" def stringify(self, recursive: bool = False) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.stringifyReturns a stringified version of the object …
Expand source code
def stringify(self, recursive: bool = False) -> plt.AST: return OLambda( ["self"], plt.Ite( OVar("self"), plt.Text("True"), plt.Text("False"), ), ) def unop(self, unop: ast.unaryop) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.unopImplements a unary operation on self
def unop_type(self, unop: ast.unaryop) ‑> Type-
Inherited from:
AtomicType.unop_typeType of a unary operation on self.
class ByteStringType-
ByteStringType()
Expand source code
@dataclass(frozen=True, unsafe_hash=True) class ByteStringType(AtomicType): def pluthon_type(self, skip_constructor: bool = False) -> str: return "bytes" def python_type(self): return "bytes" def constr_type(self) -> InstanceType: return InstanceType(PolymorphicFunctionType(BytesImpl())) def attribute_type(self, attr) -> Type: if attr == "decode": return InstanceType(FunctionType(frozenlist([]), StringInstanceType)) if attr == "hex": return InstanceType(FunctionType(frozenlist([]), StringInstanceType)) if attr == "fromhex": return InstanceType( FunctionType( frozenlist([StringInstanceType]), ByteStringInstanceType, ) ) return super().attribute_type(attr) def attribute(self, attr) -> plt.AST: if attr == "decode": # No codec -> only the default (utf8) is allowed return OLambda(["x", "_"], plt.DecodeUtf8(OVar("x"))) if attr == "hex": return OLambda( ["x", "_"], plt.DecodeUtf8( OLet( [ ( "hexlist", plt.RecFun( OLambda( ["f", "i"], plt.Ite( plt.LessThanInteger( OVar("i"), plt.Integer(0) ), plt.EmptyIntegerList(), plt.MkCons( plt.IndexByteString( OVar("x"), OVar("i") ), plt.Apply( OVar("f"), OVar("f"), plt.SubtractInteger( OVar("i"), plt.Integer(1) ), ), ), ), ), ), ), ( "map_str", OLambda( ["i"], plt.AddInteger( OVar("i"), plt.IfThenElse( plt.LessThanInteger( OVar("i"), plt.Integer(10) ), plt.Integer(ord("0")), plt.Integer(ord("a") - 10), ), ), ), ), ( "mkstr", OLambda( ["i"], plt.FoldList( plt.Apply(OVar("hexlist"), OVar("i")), OLambda( ["b", "i"], plt.ConsByteString( plt.Apply( OVar("map_str"), plt.DivideInteger( OVar("i"), plt.Integer(16) ), ), plt.ConsByteString( plt.Apply( OVar("map_str"), plt.ModInteger( OVar("i"), plt.Integer(16), ), ), OVar("b"), ), ), ), plt.ByteString(b""), ), ), ), ], plt.Apply( OVar("mkstr"), plt.SubtractInteger( plt.LengthOfByteString(OVar("x")), plt.Integer(1) ), ), ), ), ) if attr == "fromhex": return OLambda( ["_", "x"], OLet( [ ( "bytestr", plt.EncodeUtf8(plt.Force(OVar("x"))), ), ( "bytestr_len", plt.LengthOfByteString(OVar("bytestr")), ), ( "char_to_int", OLambda( ["c"], plt.Ite( plt.And( plt.LessThanEqualsInteger( plt.Integer(ord("a")), OVar("c") ), plt.LessThanEqualsInteger( OVar("c"), plt.Integer(ord("f")) ), ), plt.AddInteger( plt.SubtractInteger( OVar("c"), plt.Integer(ord("a")) ), plt.Integer(10), ), plt.Ite( plt.And( plt.LessThanEqualsInteger( plt.Integer(ord("0")), OVar("c") ), plt.LessThanEqualsInteger( OVar("c"), plt.Integer(ord("9")) ), ), plt.SubtractInteger( OVar("c"), plt.Integer(ord("0")) ), plt.Ite( plt.And( plt.LessThanEqualsInteger( plt.Integer(ord("A")), OVar("c") ), plt.LessThanEqualsInteger( OVar("c"), plt.Integer(ord("F")) ), ), plt.AddInteger( plt.SubtractInteger( OVar("c"), plt.Integer(ord("A")) ), plt.Integer(10), ), plt.TraceError("Invalid hex character"), ), ), ), ), ), ( "splitlist", plt.RecFun( OLambda( ["f", "i"], plt.Ite( plt.LessThanInteger( OVar("bytestr_len"), plt.AddInteger(OVar("i"), plt.Integer(1)), ), plt.ByteString(b""), plt.Ite( plt.LessThanInteger( OVar("bytestr_len"), plt.AddInteger( OVar("i"), plt.Integer(2) ), ), plt.TraceError("Invalid hex string"), OLet( [ ( "char_at_i", plt.IndexByteString( OVar("bytestr"), OVar("i"), ), ), ( "char_at_ip1", plt.IndexByteString( OVar("bytestr"), plt.AddInteger( OVar("i"), plt.Integer(1), ), ), ), ], plt.ConsByteString( plt.AddInteger( plt.MultiplyInteger( plt.Apply( OVar("char_to_int"), OVar("char_at_i"), ), plt.Integer(16), ), plt.Apply( OVar("char_to_int"), OVar("char_at_ip1"), ), ), plt.Apply( OVar("f"), OVar("f"), plt.AddInteger( OVar("i"), plt.Integer(2), ), ), ), ), ), ), ) ), ), ], plt.Apply(OVar("splitlist"), plt.Integer(0)), ), ) return super().attribute(attr) def cmp(self, op: cmpop, o: "Type") -> plt.AST: if isinstance(o, ByteStringType): if isinstance(op, Eq): return plt.BuiltIn(uplc.BuiltInFun.EqualsByteString) if isinstance(op, NotEq): return OLambda( ["x", "y"], plt.Not( plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsByteString), OVar("y"), OVar("x"), ) ), ) if isinstance(op, Lt): return plt.BuiltIn(uplc.BuiltInFun.LessThanByteString) if isinstance(op, LtE): return plt.BuiltIn(uplc.BuiltInFun.LessThanEqualsByteString) if isinstance(op, Gt): return OLambda( ["x", "y"], plt.Apply( plt.BuiltIn(uplc.BuiltInFun.LessThanByteString), OVar("y"), OVar("x"), ), ) if isinstance(op, GtE): return OLambda( ["x", "y"], plt.Apply( plt.BuiltIn(uplc.BuiltInFun.LessThanEqualsByteString), OVar("y"), OVar("x"), ), ) if ( isinstance(o, ListType) and isinstance(o.typ, InstanceType) and isinstance(o.typ.typ, ByteStringType) ): if isinstance(op, In): return OLambda( ["x", "y"], plt.AnyList( OVar("y"), plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsByteString), OVar("x"), ), ), ) if isinstance(op, NotIn): return OLambda( ["x", "y"], plt.Not( plt.AnyList( OVar("y"), plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsByteString), OVar("x"), ), ), ), ) return super().cmp(op, o) def stringify(self, recursive: bool = False) -> plt.AST: return OLambda( ["x"], plt.DecodeUtf8( OLet( [ ( "hexlist", plt.RecFun( OLambda( ["f", "i"], plt.Ite( plt.LessThanInteger(OVar("i"), plt.Integer(0)), plt.EmptyIntegerList(), plt.MkCons( plt.IndexByteString(OVar("x"), OVar("i")), plt.Apply( OVar("f"), OVar("f"), plt.SubtractInteger( OVar("i"), plt.Integer(1) ), ), ), ), ), ), ), ( "map_str", OLambda( ["i"], plt.AddInteger( OVar("i"), plt.IfThenElse( plt.LessThanInteger(OVar("i"), plt.Integer(10)), plt.Integer(ord("0")), plt.Integer(ord("a") - 10), ), ), ), ), ( "mkstr", OLambda( ["i"], plt.FoldList( plt.Apply(OVar("hexlist"), OVar("i")), OLambda( ["b", "i"], plt.Ite( # ascii printable characters are kept unmodified plt.And( plt.LessThanEqualsInteger( plt.Integer(0x20), OVar("i") ), plt.LessThanEqualsInteger( OVar("i"), plt.Integer(0x7E) ), ), plt.Ite( plt.EqualsInteger( OVar("i"), plt.Integer(ord("\\")), ), plt.AppendByteString( plt.ByteString(b"\\\\"), OVar("b"), ), plt.Ite( plt.EqualsInteger( OVar("i"), plt.Integer(ord("'")), ), plt.AppendByteString( plt.ByteString(b"\\'"), OVar("b"), ), plt.ConsByteString( OVar("i"), OVar("b") ), ), ), plt.Ite( plt.EqualsInteger( OVar("i"), plt.Integer(ord("\t")) ), plt.AppendByteString( plt.ByteString(b"\\t"), OVar("b") ), plt.Ite( plt.EqualsInteger( OVar("i"), plt.Integer(ord("\n")), ), plt.AppendByteString( plt.ByteString(b"\\n"), OVar("b"), ), plt.Ite( plt.EqualsInteger( OVar("i"), plt.Integer(ord("\r")), ), plt.AppendByteString( plt.ByteString(b"\\r"), OVar("b"), ), plt.AppendByteString( plt.ByteString(b"\\x"), plt.ConsByteString( plt.Apply( OVar("map_str"), plt.DivideInteger( OVar("i"), plt.Integer(16), ), ), plt.ConsByteString( plt.Apply( OVar("map_str"), plt.ModInteger( OVar("i"), plt.Integer( 16 ), ), ), OVar("b"), ), ), ), ), ), ), ), ), plt.ByteString(b""), ), ), ), ], plt.ConcatByteString( plt.ByteString(b"b'"), plt.Apply( OVar("mkstr"), plt.SubtractInteger( plt.LengthOfByteString(OVar("x")), plt.Integer(1) ), ), plt.ByteString(b"'"), ), ), ), ) def _binop_return_type(self, binop: operator, other: "Type") -> "Type": if isinstance(binop, Add): if other == ByteStringInstanceType: return ByteStringType() if isinstance(binop, Mult): if other == IntegerInstanceType: return ByteStringType() return super().binop_type(binop, other) def _binop_bin_fun(self, binop: operator, other: AST): if isinstance(binop, Add): if other.typ == ByteStringInstanceType: return plt.AppendByteString if isinstance(binop, Mult): if other.typ == IntegerInstanceType: return ByteStrIntMulImpl def _unop_return_type(self, unop: unaryop) -> "Type": if isinstance(unop, Not): return BoolType() return super()._unop_return_type(unop) def _unop_fun(self, unop: unaryop) -> Callable[[plt.AST], plt.AST]: if isinstance(unop, Not): return lambda x: plt.EqualsInteger( plt.LengthOfByteString(x), plt.Integer(0) ) return super()._unop_fun(unop) def copy_only_attributes(self) -> plt.AST: return OLambda( ["self"], plt.DelayedChooseData( OVar("self"), plt.TraceError( f"IntegrityError: Expected PlutusByteString but got PlutusData" ), plt.TraceError( f"IntegrityError: Expected PlutusByteString but got PlutusMap" ), plt.TraceError( f"IntegrityError: Expected PlutusByteString but got PlutusList" ), plt.TraceError( f"IntegrityError: Expected PlutusByteString but got PlutusInteger" ), OVar("self"), ), )Ancestors
Methods
def attribute(self, attr) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.attributeThe attributes of this class. Needs to be a lambda that expects as first argument the object itself
Expand source code
def attribute(self, attr) -> plt.AST: if attr == "decode": # No codec -> only the default (utf8) is allowed return OLambda(["x", "_"], plt.DecodeUtf8(OVar("x"))) if attr == "hex": return OLambda( ["x", "_"], plt.DecodeUtf8( OLet( [ ( "hexlist", plt.RecFun( OLambda( ["f", "i"], plt.Ite( plt.LessThanInteger( OVar("i"), plt.Integer(0) ), plt.EmptyIntegerList(), plt.MkCons( plt.IndexByteString( OVar("x"), OVar("i") ), plt.Apply( OVar("f"), OVar("f"), plt.SubtractInteger( OVar("i"), plt.Integer(1) ), ), ), ), ), ), ), ( "map_str", OLambda( ["i"], plt.AddInteger( OVar("i"), plt.IfThenElse( plt.LessThanInteger( OVar("i"), plt.Integer(10) ), plt.Integer(ord("0")), plt.Integer(ord("a") - 10), ), ), ), ), ( "mkstr", OLambda( ["i"], plt.FoldList( plt.Apply(OVar("hexlist"), OVar("i")), OLambda( ["b", "i"], plt.ConsByteString( plt.Apply( OVar("map_str"), plt.DivideInteger( OVar("i"), plt.Integer(16) ), ), plt.ConsByteString( plt.Apply( OVar("map_str"), plt.ModInteger( OVar("i"), plt.Integer(16), ), ), OVar("b"), ), ), ), plt.ByteString(b""), ), ), ), ], plt.Apply( OVar("mkstr"), plt.SubtractInteger( plt.LengthOfByteString(OVar("x")), plt.Integer(1) ), ), ), ), ) if attr == "fromhex": return OLambda( ["_", "x"], OLet( [ ( "bytestr", plt.EncodeUtf8(plt.Force(OVar("x"))), ), ( "bytestr_len", plt.LengthOfByteString(OVar("bytestr")), ), ( "char_to_int", OLambda( ["c"], plt.Ite( plt.And( plt.LessThanEqualsInteger( plt.Integer(ord("a")), OVar("c") ), plt.LessThanEqualsInteger( OVar("c"), plt.Integer(ord("f")) ), ), plt.AddInteger( plt.SubtractInteger( OVar("c"), plt.Integer(ord("a")) ), plt.Integer(10), ), plt.Ite( plt.And( plt.LessThanEqualsInteger( plt.Integer(ord("0")), OVar("c") ), plt.LessThanEqualsInteger( OVar("c"), plt.Integer(ord("9")) ), ), plt.SubtractInteger( OVar("c"), plt.Integer(ord("0")) ), plt.Ite( plt.And( plt.LessThanEqualsInteger( plt.Integer(ord("A")), OVar("c") ), plt.LessThanEqualsInteger( OVar("c"), plt.Integer(ord("F")) ), ), plt.AddInteger( plt.SubtractInteger( OVar("c"), plt.Integer(ord("A")) ), plt.Integer(10), ), plt.TraceError("Invalid hex character"), ), ), ), ), ), ( "splitlist", plt.RecFun( OLambda( ["f", "i"], plt.Ite( plt.LessThanInteger( OVar("bytestr_len"), plt.AddInteger(OVar("i"), plt.Integer(1)), ), plt.ByteString(b""), plt.Ite( plt.LessThanInteger( OVar("bytestr_len"), plt.AddInteger( OVar("i"), plt.Integer(2) ), ), plt.TraceError("Invalid hex string"), OLet( [ ( "char_at_i", plt.IndexByteString( OVar("bytestr"), OVar("i"), ), ), ( "char_at_ip1", plt.IndexByteString( OVar("bytestr"), plt.AddInteger( OVar("i"), plt.Integer(1), ), ), ), ], plt.ConsByteString( plt.AddInteger( plt.MultiplyInteger( plt.Apply( OVar("char_to_int"), OVar("char_at_i"), ), plt.Integer(16), ), plt.Apply( OVar("char_to_int"), OVar("char_at_ip1"), ), ), plt.Apply( OVar("f"), OVar("f"), plt.AddInteger( OVar("i"), plt.Integer(2), ), ), ), ), ), ), ) ), ), ], plt.Apply(OVar("splitlist"), plt.Integer(0)), ), ) return super().attribute(attr) def attribute_type(self, attr) ‑> Type-
Inherited from:
AtomicType.attribute_typeThe types of the named attributes of this class
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def attribute_type(self, attr) -> Type: if attr == "decode": return InstanceType(FunctionType(frozenlist([]), StringInstanceType)) if attr == "hex": return InstanceType(FunctionType(frozenlist([]), StringInstanceType)) if attr == "fromhex": return InstanceType( FunctionType( frozenlist([StringInstanceType]), ByteStringInstanceType, ) ) return super().attribute_type(attr) def binop(self, binop: ast.operator, other: ast.AST) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.binopImplements a binary operation between self and other
def binop_type(self, binop: ast.operator, other: Type) ‑> Type-
Inherited from:
AtomicType.binop_typeType of a binary operation between self and other.
def cmp(self, op: ast.cmpop, o: Type) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.cmpThe implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second …
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def cmp(self, op: cmpop, o: "Type") -> plt.AST: if isinstance(o, ByteStringType): if isinstance(op, Eq): return plt.BuiltIn(uplc.BuiltInFun.EqualsByteString) if isinstance(op, NotEq): return OLambda( ["x", "y"], plt.Not( plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsByteString), OVar("y"), OVar("x"), ) ), ) if isinstance(op, Lt): return plt.BuiltIn(uplc.BuiltInFun.LessThanByteString) if isinstance(op, LtE): return plt.BuiltIn(uplc.BuiltInFun.LessThanEqualsByteString) if isinstance(op, Gt): return OLambda( ["x", "y"], plt.Apply( plt.BuiltIn(uplc.BuiltInFun.LessThanByteString), OVar("y"), OVar("x"), ), ) if isinstance(op, GtE): return OLambda( ["x", "y"], plt.Apply( plt.BuiltIn(uplc.BuiltInFun.LessThanEqualsByteString), OVar("y"), OVar("x"), ), ) if ( isinstance(o, ListType) and isinstance(o.typ, InstanceType) and isinstance(o.typ.typ, ByteStringType) ): if isinstance(op, In): return OLambda( ["x", "y"], plt.AnyList( OVar("y"), plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsByteString), OVar("x"), ), ), ) if isinstance(op, NotIn): return OLambda( ["x", "y"], plt.Not( plt.AnyList( OVar("y"), plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsByteString), OVar("x"), ), ), ), ) return super().cmp(op, o) def constr(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.constrThe constructor for this class
def constr_type(self) ‑> InstanceType-
Inherited from:
AtomicType.constr_typeThe type of the constructor for this class
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def constr_type(self) -> InstanceType: return InstanceType(PolymorphicFunctionType(BytesImpl())) def copy_only_attributes(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.copy_only_attributesPluthon function that returns a copy of only the attributes of the object This can only be called for UnionType and RecordType, as such the input data …
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def copy_only_attributes(self) -> plt.AST: return OLambda( ["self"], plt.DelayedChooseData( OVar("self"), plt.TraceError( f"IntegrityError: Expected PlutusByteString but got PlutusData" ), plt.TraceError( f"IntegrityError: Expected PlutusByteString but got PlutusMap" ), plt.TraceError( f"IntegrityError: Expected PlutusByteString but got PlutusList" ), plt.TraceError( f"IntegrityError: Expected PlutusByteString but got PlutusInteger" ), OVar("self"), ), ) def pluthon_type(self, skip_constructor: bool = False) ‑> str-
Inherited from:
AtomicType.pluthon_typeReturns a representation of the type in pluthon.
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def pluthon_type(self, skip_constructor: bool = False) -> str: return "bytes" def python_type(self)-
Inherited from:
AtomicType.python_typeReturns a representation of the type in python.
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def python_type(self): return "bytes" def stringify(self, recursive: bool = False) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.stringifyReturns a stringified version of the object …
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def stringify(self, recursive: bool = False) -> plt.AST: return OLambda( ["x"], plt.DecodeUtf8( OLet( [ ( "hexlist", plt.RecFun( OLambda( ["f", "i"], plt.Ite( plt.LessThanInteger(OVar("i"), plt.Integer(0)), plt.EmptyIntegerList(), plt.MkCons( plt.IndexByteString(OVar("x"), OVar("i")), plt.Apply( OVar("f"), OVar("f"), plt.SubtractInteger( OVar("i"), plt.Integer(1) ), ), ), ), ), ), ), ( "map_str", OLambda( ["i"], plt.AddInteger( OVar("i"), plt.IfThenElse( plt.LessThanInteger(OVar("i"), plt.Integer(10)), plt.Integer(ord("0")), plt.Integer(ord("a") - 10), ), ), ), ), ( "mkstr", OLambda( ["i"], plt.FoldList( plt.Apply(OVar("hexlist"), OVar("i")), OLambda( ["b", "i"], plt.Ite( # ascii printable characters are kept unmodified plt.And( plt.LessThanEqualsInteger( plt.Integer(0x20), OVar("i") ), plt.LessThanEqualsInteger( OVar("i"), plt.Integer(0x7E) ), ), plt.Ite( plt.EqualsInteger( OVar("i"), plt.Integer(ord("\\")), ), plt.AppendByteString( plt.ByteString(b"\\\\"), OVar("b"), ), plt.Ite( plt.EqualsInteger( OVar("i"), plt.Integer(ord("'")), ), plt.AppendByteString( plt.ByteString(b"\\'"), OVar("b"), ), plt.ConsByteString( OVar("i"), OVar("b") ), ), ), plt.Ite( plt.EqualsInteger( OVar("i"), plt.Integer(ord("\t")) ), plt.AppendByteString( plt.ByteString(b"\\t"), OVar("b") ), plt.Ite( plt.EqualsInteger( OVar("i"), plt.Integer(ord("\n")), ), plt.AppendByteString( plt.ByteString(b"\\n"), OVar("b"), ), plt.Ite( plt.EqualsInteger( OVar("i"), plt.Integer(ord("\r")), ), plt.AppendByteString( plt.ByteString(b"\\r"), OVar("b"), ), plt.AppendByteString( plt.ByteString(b"\\x"), plt.ConsByteString( plt.Apply( OVar("map_str"), plt.DivideInteger( OVar("i"), plt.Integer(16), ), ), plt.ConsByteString( plt.Apply( OVar("map_str"), plt.ModInteger( OVar("i"), plt.Integer( 16 ), ), ), OVar("b"), ), ), ), ), ), ), ), ), plt.ByteString(b""), ), ), ), ], plt.ConcatByteString( plt.ByteString(b"b'"), plt.Apply( OVar("mkstr"), plt.SubtractInteger( plt.LengthOfByteString(OVar("x")), plt.Integer(1) ), ), plt.ByteString(b"'"), ), ), ), ) def unop(self, unop: ast.unaryop) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.unopImplements a unary operation on self
def unop_type(self, unop: ast.unaryop) ‑> Type-
Inherited from:
AtomicType.unop_typeType of a unary operation on self.
class BytesImpl (*args, **kwargs)-
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class BytesImpl(PolymorphicFunction): def type_from_args(self, args: typing.List[Type]) -> FunctionType: assert ( len(args) == 1 ), f"'bytes' takes only one argument, but {len(args)} were given" typ = args[0] assert isinstance(typ, InstanceType), "Can only create bools from instances" assert any( isinstance(typ.typ, t) for t in ( IntegerType, ByteStringType, ListType, ) ), "Can only create bytes from int, bytes or integer lists" if isinstance(typ.typ, ListType): assert ( typ.typ.typ == IntegerInstanceType ), "Can only create bytes from integer lists but got a list with another type" return FunctionType(args, ByteStringInstanceType) def impl_from_args(self, args: typing.List[Type]) -> plt.AST: arg = args[0] assert isinstance(arg, InstanceType), "Can only create bytes from instances" if isinstance(arg.typ, ByteStringType): return OLambda(["x"], OVar("x")) elif isinstance(arg.typ, IntegerType): return OLambda( ["x"], plt.Ite( plt.LessThanInteger(OVar("x"), plt.Integer(0)), plt.TraceError("ValueError: negative count"), ByteStrIntMulImpl(plt.ByteString(b"\x00"), OVar("x")), ), ) elif isinstance(arg.typ, ListType): return OLambda( ["xs"], plt.RFoldList( OVar("xs"), OLambda(["a", "x"], plt.ConsByteString(OVar("x"), OVar("a"))), plt.ByteString(b""), ), ) else: raise NotImplementedError( f"Can not derive bytes from type {arg.typ.python_type()}" )Ancestors
Methods
def impl_from_args(self, args: List[Type]) ‑> pluthon.pluthon_ast.AST-
Expand source code
def impl_from_args(self, args: typing.List[Type]) -> plt.AST: arg = args[0] assert isinstance(arg, InstanceType), "Can only create bytes from instances" if isinstance(arg.typ, ByteStringType): return OLambda(["x"], OVar("x")) elif isinstance(arg.typ, IntegerType): return OLambda( ["x"], plt.Ite( plt.LessThanInteger(OVar("x"), plt.Integer(0)), plt.TraceError("ValueError: negative count"), ByteStrIntMulImpl(plt.ByteString(b"\x00"), OVar("x")), ), ) elif isinstance(arg.typ, ListType): return OLambda( ["xs"], plt.RFoldList( OVar("xs"), OLambda(["a", "x"], plt.ConsByteString(OVar("x"), OVar("a"))), plt.ByteString(b""), ), ) else: raise NotImplementedError( f"Can not derive bytes from type {arg.typ.python_type()}" ) def type_from_args(self, args: List[Type]) ‑> FunctionType-
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def type_from_args(self, args: typing.List[Type]) -> FunctionType: assert ( len(args) == 1 ), f"'bytes' takes only one argument, but {len(args)} were given" typ = args[0] assert isinstance(typ, InstanceType), "Can only create bools from instances" assert any( isinstance(typ.typ, t) for t in ( IntegerType, ByteStringType, ListType, ) ), "Can only create bytes from int, bytes or integer lists" if isinstance(typ.typ, ListType): assert ( typ.typ.typ == IntegerInstanceType ), "Can only create bytes from integer lists but got a list with another type" return FunctionType(args, ByteStringInstanceType)
class ClassType-
ClassType()
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@dataclass(frozen=True, unsafe_hash=True) class ClassType(Type): def __ge__(self, other): """ Returns whether other can be substituted for this type. In other words this returns whether the interface of this type is a subset of the interface of other. Note that this is usually <= and not >=, but this needs to be fixed later. Produces a partial order on types. The top element is the most generic type and can not substitute for anything. The bottom element is the most specific type and can be substituted for anything. """ raise NotImplementedError("Comparison between raw classtypes impossible")Ancestors
Subclasses
- HashType
- AnyType
- AtomicType
- DictType
- FunctionType
- InaccessibleType
- ListType
- PairType
- PolymorphicFunctionType
- RecordType
- TupleType
- UnionType
Methods
def attribute(self, attr) ‑> pluthon.pluthon_ast.AST-
Inherited from:
Type.attributeThe attributes of this class. Needs to be a lambda that expects as first argument the object itself
def attribute_type(self, attr) ‑> Type-
Inherited from:
Type.attribute_typeThe types of the named attributes of this class
def binop(self, binop: ast.operator, other: ast.AST) ‑> pluthon.pluthon_ast.AST-
Implements a binary operation between self and other
def binop_type(self, binop: ast.operator, other: Type) ‑> Type-
Inherited from:
Type.binop_typeType of a binary operation between self and other.
def cmp(self, op: ast.cmpop, o: Type) ‑> pluthon.pluthon_ast.AST-
The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second …
def constr(self) ‑> pluthon.pluthon_ast.AST-
The constructor for this class
def constr_type(self) ‑> InstanceType-
Inherited from:
Type.constr_typeThe type of the constructor for this class
def copy_only_attributes(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
Type.copy_only_attributesPluthon function that returns a copy of only the attributes of the object This can only be called for UnionType and RecordType, as such the input data …
def pluthon_type(self, skip_constructor: bool = False) ‑> str-
Inherited from:
Type.pluthon_typeReturns a representation of the type in pluthon.
def python_type(self)-
Inherited from:
Type.python_typeReturns a representation of the type in python.
def stringify(self, recursive: bool = False) ‑> pluthon.pluthon_ast.AST-
Inherited from:
Type.stringifyReturns a stringified version of the object …
def unop(self, unop: ast.unaryop) ‑> pluthon.pluthon_ast.AST-
Implements a unary operation on self
def unop_type(self, unop: ast.unaryop) ‑> Type-
Inherited from:
Type.unop_typeType of a unary operation on self.
class DictType (key_typ: Type, value_typ: Type)-
DictType(key_typ: opshin.type_impls.Type, value_typ: opshin.type_impls.Type)
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@dataclass(frozen=True, unsafe_hash=True) class DictType(ClassType): key_typ: Type value_typ: Type def pluthon_type(self, skip_constructor: bool = False) -> str: return ( "map<" + self.key_typ.pluthon_type() + "," + self.value_typ.pluthon_type() + ">" ) def python_type(self): return f"Dict[{self.key_typ.python_type()}, {self.value_typ.python_type()}]" def attribute_type(self, attr) -> "Type": if attr == "get": return InstanceType( FunctionType(frozenlist([self.key_typ, self.value_typ]), self.value_typ) ) if attr == "keys": return InstanceType( FunctionType(frozenlist([]), InstanceType(ListType(self.key_typ))) ) if attr == "values": return InstanceType( FunctionType(frozenlist([]), InstanceType(ListType(self.value_typ))) ) if attr == "items": return InstanceType( FunctionType( frozenlist([]), InstanceType( ListType(InstanceType(PairType(self.key_typ, self.value_typ))) ), ) ) raise TypeInferenceError( f"Type of attribute '{attr}' is unknown for type Dict." ) def attribute(self, attr) -> plt.AST: if attr == "get": return OLambda( ["self", "key", "default"], transform_ext_params_map(self.value_typ)( OLet( [ ( "key_mapped", transform_output_map(self.key_typ)( plt.Force(OVar("key")) ), ) ], plt.SndPair( plt.FindList( OVar("self"), OLambda( ["x"], plt.EqualsData( OVar("key_mapped"), plt.FstPair(OVar("x")), ), ), # this is a bit ugly... we wrap - only to later unwrap again plt.MkPairData( OVar("key_mapped"), transform_output_map(self.value_typ)( plt.Force(OVar("default")) ), ), ), ), ), ), ) if attr == "keys": return OLambda( ["self", "_"], plt.MapList( OVar("self"), OLambda( ["x"], transform_ext_params_map(self.key_typ)(plt.FstPair(OVar("x"))), ), empty_list(self.key_typ), ), ) if attr == "values": return OLambda( ["self", "_"], plt.MapList( OVar("self"), OLambda( ["x"], transform_ext_params_map(self.value_typ)( plt.SndPair(OVar("x")) ), ), empty_list(self.value_typ), ), ) if attr == "items": return OLambda( ["self", "_"], OVar("self"), ) raise NotImplementedError(f"Attribute '{attr}' of Dict is unknown.") def __ge__(self, other): return ( isinstance(other, DictType) and self.key_typ >= other.key_typ and self.value_typ >= other.value_typ ) def stringify(self, recursive: bool = False) -> plt.AST: return OLambda( ["self"], OLet( [ ( "g", plt.RecFun( OLambda( ["f", "l"], OLet( [ ("h", plt.HeadList(OVar("l"))), ("t", plt.TailList(OVar("l"))), ], plt.ConcatString( plt.Apply( self.key_typ.stringify(recursive=True), transform_ext_params_map(self.key_typ)( plt.FstPair(OVar("h")) ), ), plt.Text(": "), plt.Apply( self.value_typ.stringify(recursive=True), transform_ext_params_map(self.value_typ)( plt.SndPair(OVar("h")) ), ), plt.IteNullList( OVar("t"), plt.Text("}"), plt.AppendString( plt.Text(", "), plt.Apply( OVar("f"), OVar("f"), OVar("t"), ), ), ), ), ), ) ), ) ], plt.AppendString( plt.Text("{"), plt.IteNullList( OVar("self"), plt.Text("}"), plt.Apply( OVar("g"), OVar("self"), ), ), ), ), ) def copy_only_attributes(self) -> plt.AST: def CustomMapFilterList( l: plt.AST, filter_op: plt.AST, map_op: plt.AST, empty_list=plt.EmptyDataList(), ): from pluthon import ( Apply, Lambda as PLambda, RecFun, IteNullList, Var as PVar, HeadList, Ite, TailList, PrependList, Let as PLet, ) """ Apply a filter and a map function on each element in a list (throws out all that evaluate to false) Performs only a single pass and is hence much more efficient than filter + map """ return Apply( PLambda( ["filter", "map"], RecFun( PLambda( ["filtermap", "xs"], IteNullList( PVar("xs"), empty_list, PLet( [ ("head", HeadList(PVar("xs"))), ("tail", TailList(PVar("xs"))), ], Ite( Apply( PVar("filter"), PVar("head"), PVar("tail") ), PrependList( Apply(PVar("map"), PVar("head")), Apply( PVar("filtermap"), PVar("filtermap"), PVar("tail"), ), ), Apply( PVar("filtermap"), PVar("filtermap"), PVar("tail"), ), ), ), ), ), ), ), filter_op, map_op, l, ) mapped_attrs = CustomMapFilterList( plt.UnMapData(OVar("self")), OLambda( ["h", "t"], OLet( [ ("hfst", plt.FstPair(OVar("h"))), ], plt.Not( plt.AnyList( OVar("t"), OLambda( ["e"], plt.EqualsData(OVar("hfst"), plt.FstPair(OVar("e"))), ), ) ), ), ), OLambda( ["v"], plt.MkPairData( plt.Apply( self.key_typ.copy_only_attributes(), plt.FstPair(OVar("v")) ), plt.Apply( self.value_typ.copy_only_attributes(), plt.SndPair(OVar("v")) ), ), ), plt.EmptyDataPairList(), ) return OLambda( ["self"], plt.DelayedChooseData( OVar("self"), plt.TraceError( "IntegrityError: Expected a PlutusMap, but got PlutusData" ), plt.MapData(mapped_attrs), plt.TraceError( "IntegrityError: Expected a PlutusMap, but got PlutusList" ), plt.TraceError( "IntegrityError: Expected a PlutusMap, but got PlutusInteger" ), plt.TraceError( "IntegrityError: Expected a PlutusMap, but got PlutusByteString" ), ), ) def _unop_return_type(self, unop: unaryop) -> "Type": if isinstance(unop, Not): return BoolType() return super()._unop_return_type(unop) def _unop_fun(self, unop: unaryop) -> Callable[[plt.AST], plt.AST]: if isinstance(unop, Not): return lambda x: plt.IteNullList(x, plt.Bool(True), plt.Bool(False)) return super()._unop_fun(unop)Ancestors
Instance variables
var key_typ : Typevar value_typ : Type
Methods
def attribute(self, attr) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.attributeThe attributes of this class. Needs to be a lambda that expects as first argument the object itself
Expand source code
def attribute(self, attr) -> plt.AST: if attr == "get": return OLambda( ["self", "key", "default"], transform_ext_params_map(self.value_typ)( OLet( [ ( "key_mapped", transform_output_map(self.key_typ)( plt.Force(OVar("key")) ), ) ], plt.SndPair( plt.FindList( OVar("self"), OLambda( ["x"], plt.EqualsData( OVar("key_mapped"), plt.FstPair(OVar("x")), ), ), # this is a bit ugly... we wrap - only to later unwrap again plt.MkPairData( OVar("key_mapped"), transform_output_map(self.value_typ)( plt.Force(OVar("default")) ), ), ), ), ), ), ) if attr == "keys": return OLambda( ["self", "_"], plt.MapList( OVar("self"), OLambda( ["x"], transform_ext_params_map(self.key_typ)(plt.FstPair(OVar("x"))), ), empty_list(self.key_typ), ), ) if attr == "values": return OLambda( ["self", "_"], plt.MapList( OVar("self"), OLambda( ["x"], transform_ext_params_map(self.value_typ)( plt.SndPair(OVar("x")) ), ), empty_list(self.value_typ), ), ) if attr == "items": return OLambda( ["self", "_"], OVar("self"), ) raise NotImplementedError(f"Attribute '{attr}' of Dict is unknown.") def attribute_type(self, attr) ‑> Type-
Inherited from:
ClassType.attribute_typeThe types of the named attributes of this class
Expand source code
def attribute_type(self, attr) -> "Type": if attr == "get": return InstanceType( FunctionType(frozenlist([self.key_typ, self.value_typ]), self.value_typ) ) if attr == "keys": return InstanceType( FunctionType(frozenlist([]), InstanceType(ListType(self.key_typ))) ) if attr == "values": return InstanceType( FunctionType(frozenlist([]), InstanceType(ListType(self.value_typ))) ) if attr == "items": return InstanceType( FunctionType( frozenlist([]), InstanceType( ListType(InstanceType(PairType(self.key_typ, self.value_typ))) ), ) ) raise TypeInferenceError( f"Type of attribute '{attr}' is unknown for type Dict." ) def binop(self, binop: ast.operator, other: ast.AST) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.binopImplements a binary operation between self and other
def binop_type(self, binop: ast.operator, other: Type) ‑> Type-
Inherited from:
ClassType.binop_typeType of a binary operation between self and other.
def cmp(self, op: ast.cmpop, o: Type) ‑> pluthon.pluthon_ast.AST-
The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second …
def constr(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.constrThe constructor for this class
def constr_type(self) ‑> InstanceType-
Inherited from:
ClassType.constr_typeThe type of the constructor for this class
def copy_only_attributes(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.copy_only_attributesPluthon function that returns a copy of only the attributes of the object This can only be called for UnionType and RecordType, as such the input data …
Expand source code
def copy_only_attributes(self) -> plt.AST: def CustomMapFilterList( l: plt.AST, filter_op: plt.AST, map_op: plt.AST, empty_list=plt.EmptyDataList(), ): from pluthon import ( Apply, Lambda as PLambda, RecFun, IteNullList, Var as PVar, HeadList, Ite, TailList, PrependList, Let as PLet, ) """ Apply a filter and a map function on each element in a list (throws out all that evaluate to false) Performs only a single pass and is hence much more efficient than filter + map """ return Apply( PLambda( ["filter", "map"], RecFun( PLambda( ["filtermap", "xs"], IteNullList( PVar("xs"), empty_list, PLet( [ ("head", HeadList(PVar("xs"))), ("tail", TailList(PVar("xs"))), ], Ite( Apply( PVar("filter"), PVar("head"), PVar("tail") ), PrependList( Apply(PVar("map"), PVar("head")), Apply( PVar("filtermap"), PVar("filtermap"), PVar("tail"), ), ), Apply( PVar("filtermap"), PVar("filtermap"), PVar("tail"), ), ), ), ), ), ), ), filter_op, map_op, l, ) mapped_attrs = CustomMapFilterList( plt.UnMapData(OVar("self")), OLambda( ["h", "t"], OLet( [ ("hfst", plt.FstPair(OVar("h"))), ], plt.Not( plt.AnyList( OVar("t"), OLambda( ["e"], plt.EqualsData(OVar("hfst"), plt.FstPair(OVar("e"))), ), ) ), ), ), OLambda( ["v"], plt.MkPairData( plt.Apply( self.key_typ.copy_only_attributes(), plt.FstPair(OVar("v")) ), plt.Apply( self.value_typ.copy_only_attributes(), plt.SndPair(OVar("v")) ), ), ), plt.EmptyDataPairList(), ) return OLambda( ["self"], plt.DelayedChooseData( OVar("self"), plt.TraceError( "IntegrityError: Expected a PlutusMap, but got PlutusData" ), plt.MapData(mapped_attrs), plt.TraceError( "IntegrityError: Expected a PlutusMap, but got PlutusList" ), plt.TraceError( "IntegrityError: Expected a PlutusMap, but got PlutusInteger" ), plt.TraceError( "IntegrityError: Expected a PlutusMap, but got PlutusByteString" ), ), ) def pluthon_type(self, skip_constructor: bool = False) ‑> str-
Inherited from:
ClassType.pluthon_typeReturns a representation of the type in pluthon.
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def pluthon_type(self, skip_constructor: bool = False) -> str: return ( "map<" + self.key_typ.pluthon_type() + "," + self.value_typ.pluthon_type() + ">" ) def python_type(self)-
Inherited from:
ClassType.python_typeReturns a representation of the type in python.
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def python_type(self): return f"Dict[{self.key_typ.python_type()}, {self.value_typ.python_type()}]" def stringify(self, recursive: bool = False) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.stringifyReturns a stringified version of the object …
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def stringify(self, recursive: bool = False) -> plt.AST: return OLambda( ["self"], OLet( [ ( "g", plt.RecFun( OLambda( ["f", "l"], OLet( [ ("h", plt.HeadList(OVar("l"))), ("t", plt.TailList(OVar("l"))), ], plt.ConcatString( plt.Apply( self.key_typ.stringify(recursive=True), transform_ext_params_map(self.key_typ)( plt.FstPair(OVar("h")) ), ), plt.Text(": "), plt.Apply( self.value_typ.stringify(recursive=True), transform_ext_params_map(self.value_typ)( plt.SndPair(OVar("h")) ), ), plt.IteNullList( OVar("t"), plt.Text("}"), plt.AppendString( plt.Text(", "), plt.Apply( OVar("f"), OVar("f"), OVar("t"), ), ), ), ), ), ) ), ) ], plt.AppendString( plt.Text("{"), plt.IteNullList( OVar("self"), plt.Text("}"), plt.Apply( OVar("g"), OVar("self"), ), ), ), ), ) def unop(self, unop: ast.unaryop) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.unopImplements a unary operation on self
def unop_type(self, unop: ast.unaryop) ‑> Type-
Inherited from:
ClassType.unop_typeType of a unary operation on self.
class FunctionType (argtyps: List[Type], rettyp: Type, bound_vars: Dict[str, Type] = <factory>, bind_self: str | None = None)-
FunctionType(argtyps: List[opshin.type_impls.Type], rettyp: opshin.type_impls.Type, bound_vars: Dict[str, opshin.type_impls.Type] =
, bind_self: Optional[str] = None) Expand source code
@dataclass(frozen=True, unsafe_hash=True) class FunctionType(ClassType): argtyps: typing.List[Type] rettyp: Type # A map from external variable names to their types when the function is defined bound_vars: typing.Dict[str, Type] = dataclasses.field(default_factory=frozendict) # Whether and under which name the function binds itself # The type of this variable is "self" bind_self: typing.Optional[str] = None def __post_init__(self): object.__setattr__(self, "argtyps", frozenlist(self.argtyps)) object.__setattr__(self, "bound_vars", frozendict(self.bound_vars)) def __ge__(self, other): return ( isinstance(other, FunctionType) and len(self.argtyps) == len(other.argtyps) and all(a >= oa for a, oa in zip(self.argtyps, other.argtyps)) and self.bound_vars.keys() == other.bound_vars.keys() and all(sbv >= other.bound_vars[k] for k, sbv in self.bound_vars.items()) and self.bind_self == other.bind_self and other.rettyp >= self.rettyp ) def stringify(self, recursive: bool = False) -> plt.AST: return OLambda(["x"], plt.Text("<function>")) def python_type(self): arg_types = ", ".join(t.python_type() for t in self.argtyps) return f"Callable[[{arg_types}], {self.rettyp.python_type()}]"Ancestors
Instance variables
var argtyps : List[Type]var bind_self : str | Nonevar bound_vars : Dict[str, Type]var rettyp : Type
Methods
def attribute(self, attr) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.attributeThe attributes of this class. Needs to be a lambda that expects as first argument the object itself
def attribute_type(self, attr) ‑> Type-
Inherited from:
ClassType.attribute_typeThe types of the named attributes of this class
def binop(self, binop: ast.operator, other: ast.AST) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.binopImplements a binary operation between self and other
def binop_type(self, binop: ast.operator, other: Type) ‑> Type-
Inherited from:
ClassType.binop_typeType of a binary operation between self and other.
def cmp(self, op: ast.cmpop, o: Type) ‑> pluthon.pluthon_ast.AST-
The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second …
def constr(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.constrThe constructor for this class
def constr_type(self) ‑> InstanceType-
Inherited from:
ClassType.constr_typeThe type of the constructor for this class
def copy_only_attributes(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.copy_only_attributesPluthon function that returns a copy of only the attributes of the object This can only be called for UnionType and RecordType, as such the input data …
def pluthon_type(self, skip_constructor: bool = False) ‑> str-
Inherited from:
ClassType.pluthon_typeReturns a representation of the type in pluthon.
def python_type(self)-
Inherited from:
ClassType.python_typeReturns a representation of the type in python.
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def python_type(self): arg_types = ", ".join(t.python_type() for t in self.argtyps) return f"Callable[[{arg_types}], {self.rettyp.python_type()}]" def stringify(self, recursive: bool = False) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.stringifyReturns a stringified version of the object …
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def stringify(self, recursive: bool = False) -> plt.AST: return OLambda(["x"], plt.Text("<function>")) def unop(self, unop: ast.unaryop) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.unopImplements a unary operation on self
def unop_type(self, unop: ast.unaryop) ‑> Type-
Inherited from:
ClassType.unop_typeType of a unary operation on self.
class InaccessibleType-
A type that blocks overwriting of a function
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class InaccessibleType(ClassType): """A type that blocks overwriting of a function""" pass def python_type(self): return "<forbidden>"Ancestors
Methods
def attribute(self, attr) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.attributeThe attributes of this class. Needs to be a lambda that expects as first argument the object itself
def attribute_type(self, attr) ‑> Type-
Inherited from:
ClassType.attribute_typeThe types of the named attributes of this class
def binop(self, binop: ast.operator, other: ast.AST) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.binopImplements a binary operation between self and other
def binop_type(self, binop: ast.operator, other: Type) ‑> Type-
Inherited from:
ClassType.binop_typeType of a binary operation between self and other.
def cmp(self, op: ast.cmpop, o: Type) ‑> pluthon.pluthon_ast.AST-
The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second …
def constr(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.constrThe constructor for this class
def constr_type(self) ‑> InstanceType-
Inherited from:
ClassType.constr_typeThe type of the constructor for this class
def copy_only_attributes(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.copy_only_attributesPluthon function that returns a copy of only the attributes of the object This can only be called for UnionType and RecordType, as such the input data …
def pluthon_type(self, skip_constructor: bool = False) ‑> str-
Inherited from:
ClassType.pluthon_typeReturns a representation of the type in pluthon.
def python_type(self)-
Inherited from:
ClassType.python_typeReturns a representation of the type in python.
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def python_type(self): return "<forbidden>" def stringify(self, recursive: bool = False) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.stringifyReturns a stringified version of the object …
def unop(self, unop: ast.unaryop) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.unopImplements a unary operation on self
def unop_type(self, unop: ast.unaryop) ‑> Type-
Inherited from:
ClassType.unop_typeType of a unary operation on self.
class InstanceType (typ: ClassType)-
InstanceType(typ: opshin.type_impls.ClassType)
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@dataclass(frozen=True, unsafe_hash=True) class InstanceType(Type): typ: ClassType def pluthon_type(self, skip_constructor: bool = False) -> str: return self.typ.pluthon_type(skip_constructor=skip_constructor) def constr_type(self) -> FunctionType: raise TypeInferenceError(f"Can not construct an instance {self}") def constr(self) -> plt.AST: raise NotImplementedError(f"Can not construct an instance {self}") def attribute_type(self, attr) -> Type: return self.typ.attribute_type(attr) def attribute(self, attr) -> plt.AST: return self.typ.attribute(attr) def cmp(self, op: cmpop, o: "Type") -> plt.AST: """The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second the comparison.""" if isinstance(o, InstanceType): return self.typ.cmp(op, o.typ) return super().cmp(op, o) def __ge__(self, other): return isinstance(other, InstanceType) and self.typ >= other.typ def stringify(self, recursive: bool = False) -> plt.AST: return self.typ.stringify(recursive=recursive) def copy_only_attributes(self) -> plt.AST: return self.typ.copy_only_attributes() def binop_type(self, binop: operator, other: "Type") -> "Type": return self.typ.binop_type(binop, other) def binop(self, binop: operator, other: AST) -> plt.AST: return self.typ.binop(binop, other) def unop_type(self, unop: unaryop) -> "Type": return self.typ.unop_type(unop) def unop(self, unop: unaryop) -> plt.AST: return self.typ.unop(unop) def python_type(self): return self.typ.python_type()Ancestors
Subclasses
Instance variables
var typ : ClassType
Methods
def attribute(self, attr) ‑> pluthon.pluthon_ast.AST-
Inherited from:
Type.attributeThe attributes of this class. Needs to be a lambda that expects as first argument the object itself
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def attribute(self, attr) -> plt.AST: return self.typ.attribute(attr) def attribute_type(self, attr) ‑> Type-
Inherited from:
Type.attribute_typeThe types of the named attributes of this class
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def attribute_type(self, attr) -> Type: return self.typ.attribute_type(attr) def binop(self, binop: ast.operator, other: ast.AST) ‑> pluthon.pluthon_ast.AST-
Implements a binary operation between self and other
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def binop(self, binop: operator, other: AST) -> plt.AST: return self.typ.binop(binop, other) def binop_type(self, binop: ast.operator, other: Type) ‑> Type-
Inherited from:
Type.binop_typeType of a binary operation between self and other.
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def binop_type(self, binop: operator, other: "Type") -> "Type": return self.typ.binop_type(binop, other) def cmp(self, op: ast.cmpop, o: Type) ‑> pluthon.pluthon_ast.AST-
The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second …
Expand source code
def cmp(self, op: cmpop, o: "Type") -> plt.AST: """The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second the comparison.""" if isinstance(o, InstanceType): return self.typ.cmp(op, o.typ) return super().cmp(op, o) def constr(self) ‑> pluthon.pluthon_ast.AST-
The constructor for this class
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def constr(self) -> plt.AST: raise NotImplementedError(f"Can not construct an instance {self}") def constr_type(self) ‑> FunctionType-
Inherited from:
Type.constr_typeThe type of the constructor for this class
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def constr_type(self) -> FunctionType: raise TypeInferenceError(f"Can not construct an instance {self}") def copy_only_attributes(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
Type.copy_only_attributesPluthon function that returns a copy of only the attributes of the object This can only be called for UnionType and RecordType, as such the input data …
Expand source code
def copy_only_attributes(self) -> plt.AST: return self.typ.copy_only_attributes() def pluthon_type(self, skip_constructor: bool = False) ‑> str-
Inherited from:
Type.pluthon_typeReturns a representation of the type in pluthon.
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def pluthon_type(self, skip_constructor: bool = False) -> str: return self.typ.pluthon_type(skip_constructor=skip_constructor) def python_type(self)-
Inherited from:
Type.python_typeReturns a representation of the type in python.
Expand source code
def python_type(self): return self.typ.python_type() def stringify(self, recursive: bool = False) ‑> pluthon.pluthon_ast.AST-
Inherited from:
Type.stringifyReturns a stringified version of the object …
Expand source code
def stringify(self, recursive: bool = False) -> plt.AST: return self.typ.stringify(recursive=recursive) def unop(self, unop: ast.unaryop) ‑> pluthon.pluthon_ast.AST-
Implements a unary operation on self
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def unop(self, unop: unaryop) -> plt.AST: return self.typ.unop(unop) def unop_type(self, unop: ast.unaryop) ‑> Type-
Inherited from:
Type.unop_typeType of a unary operation on self.
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def unop_type(self, unop: unaryop) -> "Type": return self.typ.unop_type(unop)
class IntImpl (*args, **kwargs)-
Expand source code
class IntImpl(PolymorphicFunction): def type_from_args(self, args: typing.List[Type]) -> FunctionType: assert ( len(args) == 1 ), f"'int' takes only one argument, but {len(args)} were given" typ = args[0] assert isinstance(typ, InstanceType), "Can only create ints from instances" assert any( isinstance(typ.typ, t) for t in (IntegerType, StringType, BoolType) ), "Can only create integers from int, str or bool" return FunctionType(args, IntegerInstanceType) def impl_from_args(self, args: typing.List[Type]) -> plt.AST: arg = args[0] assert isinstance(arg, InstanceType), "Can only create ints from instances" if isinstance(arg.typ, IntegerType): return OLambda(["x"], OVar("x")) elif isinstance(arg.typ, BoolType): return OLambda( ["x"], plt.IfThenElse(OVar("x"), plt.Integer(1), plt.Integer(0)) ) elif isinstance(arg.typ, StringType): return OLambda( ["x"], OLet( [ ("e", plt.EncodeUtf8(OVar("x"))), ("len", plt.LengthOfByteString(OVar("e"))), ( "first_int", plt.Ite( plt.LessThanInteger(plt.Integer(0), OVar("len")), plt.IndexByteString(OVar("e"), plt.Integer(0)), plt.Integer(ord("_")), ), ), ( "last_int", plt.IndexByteString( OVar("e"), plt.SubtractInteger(OVar("len"), plt.Integer(1)), ), ), ( "fold_start", OLambda( ["start"], plt.FoldList( plt.Range(OVar("len"), OVar("start")), OLambda( ["s", "i"], OLet( [ ( "b", plt.IndexByteString( OVar("e"), OVar("i") ), ) ], plt.Ite( plt.EqualsInteger( OVar("b"), plt.Integer(ord("_")) ), OVar("s"), plt.Ite( plt.Or( plt.LessThanInteger( OVar("b"), plt.Integer(ord("0")), ), plt.LessThanInteger( plt.Integer(ord("9")), OVar("b"), ), ), plt.TraceError( "ValueError: invalid literal for int() with base 10" ), plt.AddInteger( plt.SubtractInteger( OVar("b"), plt.Integer(ord("0")), ), plt.MultiplyInteger( OVar("s"), plt.Integer(10), ), ), ), ), ), ), plt.Integer(0), ), ), ), ], plt.Ite( plt.Or( plt.Or( plt.EqualsInteger( OVar("first_int"), plt.Integer(ord("_")), ), plt.EqualsInteger( OVar("last_int"), plt.Integer(ord("_")), ), ), plt.And( plt.EqualsInteger(OVar("len"), plt.Integer(1)), plt.Or( plt.EqualsInteger( OVar("first_int"), plt.Integer(ord("-")), ), plt.EqualsInteger( OVar("first_int"), plt.Integer(ord("+")), ), ), ), ), plt.TraceError( "ValueError: invalid literal for int() with base 10" ), plt.Ite( plt.EqualsInteger( OVar("first_int"), plt.Integer(ord("-")), ), plt.Negate( plt.Apply(OVar("fold_start"), plt.Integer(1)), ), plt.Ite( plt.EqualsInteger( OVar("first_int"), plt.Integer(ord("+")), ), plt.Apply(OVar("fold_start"), plt.Integer(1)), plt.Apply(OVar("fold_start"), plt.Integer(0)), ), ), ), ), ) else: raise NotImplementedError( f"Can not derive integer from type {arg.typ.python_type()}" )Ancestors
Methods
def impl_from_args(self, args: List[Type]) ‑> pluthon.pluthon_ast.AST-
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def impl_from_args(self, args: typing.List[Type]) -> plt.AST: arg = args[0] assert isinstance(arg, InstanceType), "Can only create ints from instances" if isinstance(arg.typ, IntegerType): return OLambda(["x"], OVar("x")) elif isinstance(arg.typ, BoolType): return OLambda( ["x"], plt.IfThenElse(OVar("x"), plt.Integer(1), plt.Integer(0)) ) elif isinstance(arg.typ, StringType): return OLambda( ["x"], OLet( [ ("e", plt.EncodeUtf8(OVar("x"))), ("len", plt.LengthOfByteString(OVar("e"))), ( "first_int", plt.Ite( plt.LessThanInteger(plt.Integer(0), OVar("len")), plt.IndexByteString(OVar("e"), plt.Integer(0)), plt.Integer(ord("_")), ), ), ( "last_int", plt.IndexByteString( OVar("e"), plt.SubtractInteger(OVar("len"), plt.Integer(1)), ), ), ( "fold_start", OLambda( ["start"], plt.FoldList( plt.Range(OVar("len"), OVar("start")), OLambda( ["s", "i"], OLet( [ ( "b", plt.IndexByteString( OVar("e"), OVar("i") ), ) ], plt.Ite( plt.EqualsInteger( OVar("b"), plt.Integer(ord("_")) ), OVar("s"), plt.Ite( plt.Or( plt.LessThanInteger( OVar("b"), plt.Integer(ord("0")), ), plt.LessThanInteger( plt.Integer(ord("9")), OVar("b"), ), ), plt.TraceError( "ValueError: invalid literal for int() with base 10" ), plt.AddInteger( plt.SubtractInteger( OVar("b"), plt.Integer(ord("0")), ), plt.MultiplyInteger( OVar("s"), plt.Integer(10), ), ), ), ), ), ), plt.Integer(0), ), ), ), ], plt.Ite( plt.Or( plt.Or( plt.EqualsInteger( OVar("first_int"), plt.Integer(ord("_")), ), plt.EqualsInteger( OVar("last_int"), plt.Integer(ord("_")), ), ), plt.And( plt.EqualsInteger(OVar("len"), plt.Integer(1)), plt.Or( plt.EqualsInteger( OVar("first_int"), plt.Integer(ord("-")), ), plt.EqualsInteger( OVar("first_int"), plt.Integer(ord("+")), ), ), ), ), plt.TraceError( "ValueError: invalid literal for int() with base 10" ), plt.Ite( plt.EqualsInteger( OVar("first_int"), plt.Integer(ord("-")), ), plt.Negate( plt.Apply(OVar("fold_start"), plt.Integer(1)), ), plt.Ite( plt.EqualsInteger( OVar("first_int"), plt.Integer(ord("+")), ), plt.Apply(OVar("fold_start"), plt.Integer(1)), plt.Apply(OVar("fold_start"), plt.Integer(0)), ), ), ), ), ) else: raise NotImplementedError( f"Can not derive integer from type {arg.typ.python_type()}" ) def type_from_args(self, args: List[Type]) ‑> FunctionType-
Expand source code
def type_from_args(self, args: typing.List[Type]) -> FunctionType: assert ( len(args) == 1 ), f"'int' takes only one argument, but {len(args)} were given" typ = args[0] assert isinstance(typ, InstanceType), "Can only create ints from instances" assert any( isinstance(typ.typ, t) for t in (IntegerType, StringType, BoolType) ), "Can only create integers from int, str or bool" return FunctionType(args, IntegerInstanceType)
class IntegerType-
IntegerType()
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@dataclass(frozen=True, unsafe_hash=True) class IntegerType(AtomicType): def pluthon_type(self, skip_constructor: bool = False) -> str: return "int" def python_type(self): return "int" def constr_type(self) -> InstanceType: return InstanceType(PolymorphicFunctionType(IntImpl())) def cmp(self, op: cmpop, o: "Type") -> plt.AST: """The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second the comparison.""" if isinstance(o, BoolType): if isinstance(op, Eq): # 1 == True # 0 == False # all other comparisons are False return OLambda( ["x", "y"], plt.Ite( OVar("y"), plt.EqualsInteger(OVar("x"), plt.Integer(1)), plt.EqualsInteger(OVar("x"), plt.Integer(0)), ), ) if isinstance(o, IntegerType): if isinstance(op, Eq): return plt.BuiltIn(uplc.BuiltInFun.EqualsInteger) if isinstance(op, NotEq): return OLambda( ["x", "y"], plt.Not( plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsInteger), OVar("y"), OVar("x"), ) ), ) if isinstance(op, LtE): return plt.BuiltIn(uplc.BuiltInFun.LessThanEqualsInteger) if isinstance(op, Lt): return plt.BuiltIn(uplc.BuiltInFun.LessThanInteger) if isinstance(op, Gt): return OLambda( ["x", "y"], plt.Apply( plt.BuiltIn(uplc.BuiltInFun.LessThanInteger), OVar("y"), OVar("x"), ), ) if isinstance(op, GtE): return OLambda( ["x", "y"], plt.Apply( plt.BuiltIn(uplc.BuiltInFun.LessThanEqualsInteger), OVar("y"), OVar("x"), ), ) if ( isinstance(o, ListType) and isinstance(o.typ, InstanceType) and isinstance(o.typ.typ, IntegerType) ): if isinstance(op, In): return OLambda( ["x", "y"], plt.AnyList( OVar("y"), plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsInteger), OVar("x") ), ), ) if isinstance(op, NotIn): return OLambda( ["x", "y"], plt.Not( plt.AnyList( OVar("y"), plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsInteger), OVar("x") ), ), ), ) return super().cmp(op, o) def stringify(self, recursive: bool = False) -> plt.AST: return OLambda( ["x"], plt.DecodeUtf8( OLet( [ ( "strlist", plt.RecFun( OLambda( ["f", "i"], plt.Ite( plt.LessThanEqualsInteger( OVar("i"), plt.Integer(0) ), plt.EmptyIntegerList(), plt.MkCons( plt.AddInteger( plt.ModInteger( OVar("i"), plt.Integer(10) ), plt.Integer(ord("0")), ), plt.Apply( OVar("f"), OVar("f"), plt.DivideInteger( OVar("i"), plt.Integer(10) ), ), ), ), ), ), ), ( "mkstr", OLambda( ["i"], plt.FoldList( plt.Apply(OVar("strlist"), OVar("i")), OLambda( ["b", "i"], plt.ConsByteString(OVar("i"), OVar("b")), ), plt.ByteString(b""), ), ), ), ], plt.Ite( plt.EqualsInteger(OVar("x"), plt.Integer(0)), plt.ByteString(b"0"), plt.Ite( plt.LessThanInteger(OVar("x"), plt.Integer(0)), plt.ConsByteString( plt.Integer(ord("-")), plt.Apply(OVar("mkstr"), plt.Negate(OVar("x"))), ), plt.Apply(OVar("mkstr"), OVar("x")), ), ), ) ), ) def _binop_return_type(self, binop: operator, other: "Type") -> "Type": if ( isinstance(binop, Add) or isinstance(binop, Sub) or isinstance(binop, FloorDiv) or isinstance(binop, Mod) or isinstance(binop, Div) or isinstance(binop, Pow) ): if other == IntegerInstanceType: return IntegerType() elif other == BoolInstanceType: # cast to integer return IntegerType() if isinstance(binop, Mult): if other == IntegerInstanceType: return IntegerType() elif other == ByteStringInstanceType: return ByteStringType() elif other == StringInstanceType: return StringType() return super().binop_type(binop, other) def _binop_bin_fun(self, binop: operator, other: AST): if other.typ == IntegerInstanceType: if isinstance(binop, Add): return plt.AddInteger elif isinstance(binop, Sub): return plt.SubtractInteger elif isinstance(binop, FloorDiv): return plt.DivideInteger elif isinstance(binop, Mod): return plt.ModInteger elif isinstance(binop, Pow): return lambda x, y: OLet( [("y", y)], plt.Ite( plt.LessThanInteger(OVar("y"), plt.Integer(0)), plt.TraceError("Negative exponentiation is not supported"), PowImpl(x, OVar("y")), ), ) if other.typ == BoolInstanceType: if isinstance(binop, Add): return lambda x, y: OLet( [("x", x), ("y", y)], plt.Ite( OVar("y"), plt.AddInteger(OVar("x"), plt.Integer(1)), OVar("x") ), ) elif isinstance(binop, Sub): return lambda x, y: OLet( [("x", x), ("y", y)], plt.Ite( OVar("y"), plt.SubtractInteger(OVar("x"), plt.Integer(1)), OVar("x"), ), ) if isinstance(binop, Mult): if other.typ == IntegerInstanceType: return plt.MultiplyInteger elif other.typ == ByteStringInstanceType: return lambda x, y: ByteStrIntMulImpl(y, x) elif other.typ == StringInstanceType: return lambda x, y: StrIntMulImpl(y, x) def _unop_return_type(self, unop: unaryop) -> "Type": if isinstance(unop, USub): return IntegerType() elif isinstance(unop, UAdd): return IntegerType() elif isinstance(unop, Not): return BoolType() return super()._unop_return_type(unop) def _unop_fun(self, unop: unaryop) -> Callable[[plt.AST], plt.AST]: if isinstance(unop, USub): return lambda x: plt.SubtractInteger(plt.Integer(0), x) if isinstance(unop, UAdd): return lambda x: x if isinstance(unop, Not): return lambda x: plt.EqualsInteger(x, plt.Integer(0)) return super()._unop_fun(unop) def copy_only_attributes(self) -> plt.AST: return OLambda( ["self"], plt.DelayedChooseData( OVar("self"), plt.TraceError( f"IntegrityError: Expected PlutusInteger but got PlutusData" ), plt.TraceError( f"IntegrityError: Expected PlutusInteger but got PlutusMap" ), plt.TraceError( f"IntegrityError: Expected PlutusInteger but got PlutusList" ), OVar("self"), plt.TraceError( f"IntegrityError: Expected PlutusInteger but got PlutusByteString" ), ), )Ancestors
Methods
def attribute(self, attr) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.attributeThe attributes of this class. Needs to be a lambda that expects as first argument the object itself
def attribute_type(self, attr) ‑> Type-
Inherited from:
AtomicType.attribute_typeThe types of the named attributes of this class
def binop(self, binop: ast.operator, other: ast.AST) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.binopImplements a binary operation between self and other
def binop_type(self, binop: ast.operator, other: Type) ‑> Type-
Inherited from:
AtomicType.binop_typeType of a binary operation between self and other.
def cmp(self, op: ast.cmpop, o: Type) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.cmpThe implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second …
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def cmp(self, op: cmpop, o: "Type") -> plt.AST: """The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second the comparison.""" if isinstance(o, BoolType): if isinstance(op, Eq): # 1 == True # 0 == False # all other comparisons are False return OLambda( ["x", "y"], plt.Ite( OVar("y"), plt.EqualsInteger(OVar("x"), plt.Integer(1)), plt.EqualsInteger(OVar("x"), plt.Integer(0)), ), ) if isinstance(o, IntegerType): if isinstance(op, Eq): return plt.BuiltIn(uplc.BuiltInFun.EqualsInteger) if isinstance(op, NotEq): return OLambda( ["x", "y"], plt.Not( plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsInteger), OVar("y"), OVar("x"), ) ), ) if isinstance(op, LtE): return plt.BuiltIn(uplc.BuiltInFun.LessThanEqualsInteger) if isinstance(op, Lt): return plt.BuiltIn(uplc.BuiltInFun.LessThanInteger) if isinstance(op, Gt): return OLambda( ["x", "y"], plt.Apply( plt.BuiltIn(uplc.BuiltInFun.LessThanInteger), OVar("y"), OVar("x"), ), ) if isinstance(op, GtE): return OLambda( ["x", "y"], plt.Apply( plt.BuiltIn(uplc.BuiltInFun.LessThanEqualsInteger), OVar("y"), OVar("x"), ), ) if ( isinstance(o, ListType) and isinstance(o.typ, InstanceType) and isinstance(o.typ.typ, IntegerType) ): if isinstance(op, In): return OLambda( ["x", "y"], plt.AnyList( OVar("y"), plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsInteger), OVar("x") ), ), ) if isinstance(op, NotIn): return OLambda( ["x", "y"], plt.Not( plt.AnyList( OVar("y"), plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsInteger), OVar("x") ), ), ), ) return super().cmp(op, o) def constr(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.constrThe constructor for this class
def constr_type(self) ‑> InstanceType-
Inherited from:
AtomicType.constr_typeThe type of the constructor for this class
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def constr_type(self) -> InstanceType: return InstanceType(PolymorphicFunctionType(IntImpl())) def copy_only_attributes(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.copy_only_attributesPluthon function that returns a copy of only the attributes of the object This can only be called for UnionType and RecordType, as such the input data …
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def copy_only_attributes(self) -> plt.AST: return OLambda( ["self"], plt.DelayedChooseData( OVar("self"), plt.TraceError( f"IntegrityError: Expected PlutusInteger but got PlutusData" ), plt.TraceError( f"IntegrityError: Expected PlutusInteger but got PlutusMap" ), plt.TraceError( f"IntegrityError: Expected PlutusInteger but got PlutusList" ), OVar("self"), plt.TraceError( f"IntegrityError: Expected PlutusInteger but got PlutusByteString" ), ), ) def pluthon_type(self, skip_constructor: bool = False) ‑> str-
Inherited from:
AtomicType.pluthon_typeReturns a representation of the type in pluthon.
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def pluthon_type(self, skip_constructor: bool = False) -> str: return "int" def python_type(self)-
Inherited from:
AtomicType.python_typeReturns a representation of the type in python.
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def python_type(self): return "int" def stringify(self, recursive: bool = False) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.stringifyReturns a stringified version of the object …
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def stringify(self, recursive: bool = False) -> plt.AST: return OLambda( ["x"], plt.DecodeUtf8( OLet( [ ( "strlist", plt.RecFun( OLambda( ["f", "i"], plt.Ite( plt.LessThanEqualsInteger( OVar("i"), plt.Integer(0) ), plt.EmptyIntegerList(), plt.MkCons( plt.AddInteger( plt.ModInteger( OVar("i"), plt.Integer(10) ), plt.Integer(ord("0")), ), plt.Apply( OVar("f"), OVar("f"), plt.DivideInteger( OVar("i"), plt.Integer(10) ), ), ), ), ), ), ), ( "mkstr", OLambda( ["i"], plt.FoldList( plt.Apply(OVar("strlist"), OVar("i")), OLambda( ["b", "i"], plt.ConsByteString(OVar("i"), OVar("b")), ), plt.ByteString(b""), ), ), ), ], plt.Ite( plt.EqualsInteger(OVar("x"), plt.Integer(0)), plt.ByteString(b"0"), plt.Ite( plt.LessThanInteger(OVar("x"), plt.Integer(0)), plt.ConsByteString( plt.Integer(ord("-")), plt.Apply(OVar("mkstr"), plt.Negate(OVar("x"))), ), plt.Apply(OVar("mkstr"), OVar("x")), ), ), ) ), ) def unop(self, unop: ast.unaryop) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.unopImplements a unary operation on self
def unop_type(self, unop: ast.unaryop) ‑> Type-
Inherited from:
AtomicType.unop_typeType of a unary operation on self.
class ListType (typ: Type)-
ListType(typ: opshin.type_impls.Type)
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@dataclass(frozen=True, unsafe_hash=True) class ListType(ClassType): typ: Type def __ge__(self, other): return isinstance(other, ListType) and self.typ >= other.typ def pluthon_type(self, skip_constructor: bool = False) -> str: return "list<" + self.typ.pluthon_type() + ">" def python_type(self): return f"List[{self.typ.python_type()}]" def attribute_type(self, attr) -> "Type": if attr == "index": return InstanceType( FunctionType(frozenlist([self.typ]), IntegerInstanceType) ) super().attribute_type(attr) def attribute(self, attr) -> plt.AST: if attr == "index": return OLambda( ["self", "x"], OLet( [("x", plt.Force(OVar("x")))], plt.Apply( plt.RecFun( OLambda( ["index", "xs", "a"], plt.IteNullList( OVar("xs"), plt.TraceError( "ValueError: Did not find element in list" ), plt.Ite( # the paramter x must have the same type as the list elements plt.Apply( self.typ.cmp(Eq(), self.typ), OVar("x"), plt.HeadList(OVar("xs")), ), OVar("a"), plt.Apply( OVar("index"), OVar("index"), plt.TailList(OVar("xs")), plt.AddInteger(OVar("a"), plt.Integer(1)), ), ), ), ), ), OVar("self"), plt.Integer(0), ), ), ) super().attribute(attr) def stringify(self, recursive: bool = False) -> plt.AST: return OLambda( ["self"], OLet( [ ( "g", plt.RecFun( OLambda( ["f", "l"], plt.AppendString( plt.Apply( self.typ.stringify(recursive=True), plt.HeadList(OVar("l")), ), OLet( [("t", plt.TailList(OVar("l")))], plt.IteNullList( OVar("t"), plt.Text("]"), plt.AppendString( plt.Text(", "), plt.Apply( OVar("f"), OVar("f"), OVar("t"), ), ), ), ), ), ) ), ) ], plt.AppendString( plt.Text("["), plt.IteNullList( OVar("self"), plt.Text("]"), plt.Apply( OVar("g"), OVar("self"), ), ), ), ), ) def copy_only_attributes(self) -> plt.AST: mapped_attrs = plt.MapList( plt.UnListData(OVar("self")), OLambda( ["v"], plt.Apply( self.typ.copy_only_attributes(), OVar("v"), ), ), plt.EmptyDataList(), ) return OLambda( ["self"], plt.DelayedChooseData( OVar("self"), plt.TraceError( "IntegrityError: Expected a PlutusMap, but got PlutusData" ), plt.TraceError( "IntegrityError: Expected a PlutusMap, but got PlutusDict" ), plt.ListData(mapped_attrs), plt.TraceError( "IntegrityError: Expected a PlutusMap, but got PlutusInteger" ), plt.TraceError( "IntegrityError: Expected a PlutusMap, but got PlutusByteString" ), ), ) def cmp(self, op: cmpop, o: "Type") -> plt.AST: """The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second the comparison.""" if isinstance(o, ListType) and (self.typ >= o.typ or o.typ >= self.typ): if isinstance(op, Eq): # Implement list equality comparison # This is expensive (linear in the size of the list) as noted in the feature request return OLambda( ["x", "y"], plt.Apply( plt.RecFun( OLambda( ["f", "xs", "ys"], plt.IteNullList( OVar("xs"), # If first list is empty, check if second is also empty plt.NullList(OVar("ys")), plt.IteNullList( OVar("ys"), # If second list is empty but first is not, they're not equal plt.Bool(False), # Both lists have elements, compare heads and recurse on tails plt.And( plt.Apply( self.typ.cmp(op, o.typ), plt.HeadList(OVar("xs")), plt.HeadList(OVar("ys")), ), plt.Apply( OVar("f"), OVar("f"), plt.TailList(OVar("xs")), plt.TailList(OVar("ys")), ), ), ), ), ) ), OVar("x"), OVar("y"), ), ) if isinstance(op, NotEq): # Implement list inequality comparison as negation of equality return OLambda( ["x", "y"], plt.Not( plt.Apply( self.cmp(Eq(), o), OVar("x"), OVar("y"), ) ), ) return super().cmp(op, o) def _binop_return_type(self, binop: operator, other: "Type") -> "Type": if isinstance(binop, Add): if isinstance(other, InstanceType) and isinstance(other.typ, ListType): other_typ = other.typ assert ( self.typ >= other_typ.typ or other_typ.typ >= self.typ ), f"Types of lists {self.typ} and {other_typ.typ} are not compatible" return ListType( self.typ if self.typ >= other_typ.typ else other_typ.typ ) return super()._binop_return_type(binop, other) def _binop_bin_fun(self, binop: operator, other: AST): if isinstance(binop, Add): if isinstance(other.typ, InstanceType) and isinstance( other.typ.typ, ListType ): return plt.AppendList def _unop_return_type(self, unop: unaryop) -> "Type": if isinstance(unop, Not): return BoolType() return super()._unop_return_type(unop) def _unop_fun(self, unop: unaryop) -> Callable[[plt.AST], plt.AST]: if isinstance(unop, Not): return lambda x: plt.IteNullList(x, plt.Bool(True), plt.Bool(False)) return super()._unop_fun(unop)Ancestors
Instance variables
var typ : Type
Methods
def attribute(self, attr) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.attributeThe attributes of this class. Needs to be a lambda that expects as first argument the object itself
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def attribute(self, attr) -> plt.AST: if attr == "index": return OLambda( ["self", "x"], OLet( [("x", plt.Force(OVar("x")))], plt.Apply( plt.RecFun( OLambda( ["index", "xs", "a"], plt.IteNullList( OVar("xs"), plt.TraceError( "ValueError: Did not find element in list" ), plt.Ite( # the paramter x must have the same type as the list elements plt.Apply( self.typ.cmp(Eq(), self.typ), OVar("x"), plt.HeadList(OVar("xs")), ), OVar("a"), plt.Apply( OVar("index"), OVar("index"), plt.TailList(OVar("xs")), plt.AddInteger(OVar("a"), plt.Integer(1)), ), ), ), ), ), OVar("self"), plt.Integer(0), ), ), ) super().attribute(attr) def attribute_type(self, attr) ‑> Type-
Inherited from:
ClassType.attribute_typeThe types of the named attributes of this class
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def attribute_type(self, attr) -> "Type": if attr == "index": return InstanceType( FunctionType(frozenlist([self.typ]), IntegerInstanceType) ) super().attribute_type(attr) def binop(self, binop: ast.operator, other: ast.AST) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.binopImplements a binary operation between self and other
def binop_type(self, binop: ast.operator, other: Type) ‑> Type-
Inherited from:
ClassType.binop_typeType of a binary operation between self and other.
def cmp(self, op: ast.cmpop, o: Type) ‑> pluthon.pluthon_ast.AST-
The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second …
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def cmp(self, op: cmpop, o: "Type") -> plt.AST: """The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second the comparison.""" if isinstance(o, ListType) and (self.typ >= o.typ or o.typ >= self.typ): if isinstance(op, Eq): # Implement list equality comparison # This is expensive (linear in the size of the list) as noted in the feature request return OLambda( ["x", "y"], plt.Apply( plt.RecFun( OLambda( ["f", "xs", "ys"], plt.IteNullList( OVar("xs"), # If first list is empty, check if second is also empty plt.NullList(OVar("ys")), plt.IteNullList( OVar("ys"), # If second list is empty but first is not, they're not equal plt.Bool(False), # Both lists have elements, compare heads and recurse on tails plt.And( plt.Apply( self.typ.cmp(op, o.typ), plt.HeadList(OVar("xs")), plt.HeadList(OVar("ys")), ), plt.Apply( OVar("f"), OVar("f"), plt.TailList(OVar("xs")), plt.TailList(OVar("ys")), ), ), ), ), ) ), OVar("x"), OVar("y"), ), ) if isinstance(op, NotEq): # Implement list inequality comparison as negation of equality return OLambda( ["x", "y"], plt.Not( plt.Apply( self.cmp(Eq(), o), OVar("x"), OVar("y"), ) ), ) return super().cmp(op, o) def constr(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.constrThe constructor for this class
def constr_type(self) ‑> InstanceType-
Inherited from:
ClassType.constr_typeThe type of the constructor for this class
def copy_only_attributes(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.copy_only_attributesPluthon function that returns a copy of only the attributes of the object This can only be called for UnionType and RecordType, as such the input data …
Expand source code
def copy_only_attributes(self) -> plt.AST: mapped_attrs = plt.MapList( plt.UnListData(OVar("self")), OLambda( ["v"], plt.Apply( self.typ.copy_only_attributes(), OVar("v"), ), ), plt.EmptyDataList(), ) return OLambda( ["self"], plt.DelayedChooseData( OVar("self"), plt.TraceError( "IntegrityError: Expected a PlutusMap, but got PlutusData" ), plt.TraceError( "IntegrityError: Expected a PlutusMap, but got PlutusDict" ), plt.ListData(mapped_attrs), plt.TraceError( "IntegrityError: Expected a PlutusMap, but got PlutusInteger" ), plt.TraceError( "IntegrityError: Expected a PlutusMap, but got PlutusByteString" ), ), ) def pluthon_type(self, skip_constructor: bool = False) ‑> str-
Inherited from:
ClassType.pluthon_typeReturns a representation of the type in pluthon.
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def pluthon_type(self, skip_constructor: bool = False) -> str: return "list<" + self.typ.pluthon_type() + ">" def python_type(self)-
Inherited from:
ClassType.python_typeReturns a representation of the type in python.
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def python_type(self): return f"List[{self.typ.python_type()}]" def stringify(self, recursive: bool = False) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.stringifyReturns a stringified version of the object …
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def stringify(self, recursive: bool = False) -> plt.AST: return OLambda( ["self"], OLet( [ ( "g", plt.RecFun( OLambda( ["f", "l"], plt.AppendString( plt.Apply( self.typ.stringify(recursive=True), plt.HeadList(OVar("l")), ), OLet( [("t", plt.TailList(OVar("l")))], plt.IteNullList( OVar("t"), plt.Text("]"), plt.AppendString( plt.Text(", "), plt.Apply( OVar("f"), OVar("f"), OVar("t"), ), ), ), ), ), ) ), ) ], plt.AppendString( plt.Text("["), plt.IteNullList( OVar("self"), plt.Text("]"), plt.Apply( OVar("g"), OVar("self"), ), ), ), ), ) def unop(self, unop: ast.unaryop) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.unopImplements a unary operation on self
def unop_type(self, unop: ast.unaryop) ‑> Type-
Inherited from:
ClassType.unop_typeType of a unary operation on self.
class PairType (l_typ: Type, r_typ: Type)-
An internal type representing built-in PlutusData pairs
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@dataclass(frozen=True, unsafe_hash=True) class PairType(ClassType): """An internal type representing built-in PlutusData pairs""" l_typ: Type r_typ: Type def __ge__(self, other): return isinstance(other, PairType) and all( t >= ot for t, ot in zip((self.l_typ, self.r_typ), (other.l_typ, other.r_typ)) ) def stringify(self, recursive: bool = False) -> plt.AST: tuple_content = plt.ConcatString( plt.Apply( self.l_typ.stringify(recursive=True), transform_ext_params_map(self.l_typ)(plt.FstPair(OVar("self"))), ), plt.Text(", "), plt.Apply( self.r_typ.stringify(recursive=True), transform_ext_params_map(self.r_typ)(plt.SndPair(OVar("self"))), ), ) return OLambda( ["self"], plt.ConcatString(plt.Text("("), tuple_content, plt.Text(")")), ) def python_type(self): return f"Tuple[{self.l_typ.python_type()}, {self.r_typ.python_type()}]"Ancestors
Instance variables
var l_typ : Typevar r_typ : Type
Methods
def attribute(self, attr) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.attributeThe attributes of this class. Needs to be a lambda that expects as first argument the object itself
def attribute_type(self, attr) ‑> Type-
Inherited from:
ClassType.attribute_typeThe types of the named attributes of this class
def binop(self, binop: ast.operator, other: ast.AST) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.binopImplements a binary operation between self and other
def binop_type(self, binop: ast.operator, other: Type) ‑> Type-
Inherited from:
ClassType.binop_typeType of a binary operation between self and other.
def cmp(self, op: ast.cmpop, o: Type) ‑> pluthon.pluthon_ast.AST-
The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second …
def constr(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.constrThe constructor for this class
def constr_type(self) ‑> InstanceType-
Inherited from:
ClassType.constr_typeThe type of the constructor for this class
def copy_only_attributes(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.copy_only_attributesPluthon function that returns a copy of only the attributes of the object This can only be called for UnionType and RecordType, as such the input data …
def pluthon_type(self, skip_constructor: bool = False) ‑> str-
Inherited from:
ClassType.pluthon_typeReturns a representation of the type in pluthon.
def python_type(self)-
Inherited from:
ClassType.python_typeReturns a representation of the type in python.
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def python_type(self): return f"Tuple[{self.l_typ.python_type()}, {self.r_typ.python_type()}]" def stringify(self, recursive: bool = False) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.stringifyReturns a stringified version of the object …
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def stringify(self, recursive: bool = False) -> plt.AST: tuple_content = plt.ConcatString( plt.Apply( self.l_typ.stringify(recursive=True), transform_ext_params_map(self.l_typ)(plt.FstPair(OVar("self"))), ), plt.Text(", "), plt.Apply( self.r_typ.stringify(recursive=True), transform_ext_params_map(self.r_typ)(plt.SndPair(OVar("self"))), ), ) return OLambda( ["self"], plt.ConcatString(plt.Text("("), tuple_content, plt.Text(")")), ) def unop(self, unop: ast.unaryop) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.unopImplements a unary operation on self
def unop_type(self, unop: ast.unaryop) ‑> Type-
Inherited from:
ClassType.unop_typeType of a unary operation on self.
class PolymorphicFunction (*args, **kwargs)-
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class PolymorphicFunction: def __new__(meta, *args, **kwargs): klass = super().__new__(meta) for key in ["impl_from_args"]: value = getattr(klass, key) wrapped = patternize(value) object.__setattr__(klass, key, wrapped) return klass def type_from_args(self, args: typing.List[Type]) -> FunctionType: raise NotImplementedError() def impl_from_args(self, args: typing.List[Type]) -> plt.AST: raise NotImplementedError()Subclasses
Methods
def impl_from_args(self, args: List[Type]) ‑> pluthon.pluthon_ast.AST-
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def impl_from_args(self, args: typing.List[Type]) -> plt.AST: raise NotImplementedError() def type_from_args(self, args: List[Type]) ‑> FunctionType-
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def type_from_args(self, args: typing.List[Type]) -> FunctionType: raise NotImplementedError()
class PolymorphicFunctionInstanceType (typ: FunctionType, polymorphic_function: PolymorphicFunction)-
PolymorphicFunctionInstanceType(typ: opshin.type_impls.FunctionType, polymorphic_function: opshin.type_impls.PolymorphicFunction)
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@dataclass(frozen=True, unsafe_hash=True) class PolymorphicFunctionInstanceType(InstanceType): typ: FunctionType polymorphic_function: PolymorphicFunction def python_type(self): return self.typ.python_type()Ancestors
Instance variables
var polymorphic_function : PolymorphicFunctionvar typ : FunctionType
Methods
def attribute(self, attr) ‑> pluthon.pluthon_ast.AST-
Inherited from:
InstanceType.attributeThe attributes of this class. Needs to be a lambda that expects as first argument the object itself
def attribute_type(self, attr) ‑> Type-
Inherited from:
InstanceType.attribute_typeThe types of the named attributes of this class
def binop(self, binop: ast.operator, other: ast.AST) ‑> pluthon.pluthon_ast.AST-
Inherited from:
InstanceType.binopImplements a binary operation between self and other
def binop_type(self, binop: ast.operator, other: Type) ‑> Type-
Inherited from:
InstanceType.binop_typeType of a binary operation between self and other.
def cmp(self, op: ast.cmpop, o: Type) ‑> pluthon.pluthon_ast.AST-
Inherited from:
InstanceType.cmpThe implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second …
def constr(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
InstanceType.constrThe constructor for this class
def constr_type(self) ‑> FunctionType-
Inherited from:
InstanceType.constr_typeThe type of the constructor for this class
def copy_only_attributes(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
InstanceType.copy_only_attributesPluthon function that returns a copy of only the attributes of the object This can only be called for UnionType and RecordType, as such the input data …
def pluthon_type(self, skip_constructor: bool = False) ‑> str-
Inherited from:
InstanceType.pluthon_typeReturns a representation of the type in pluthon.
def python_type(self)-
Inherited from:
InstanceType.python_typeReturns a representation of the type in python.
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def python_type(self): return self.typ.python_type() def stringify(self, recursive: bool = False) ‑> pluthon.pluthon_ast.AST-
Inherited from:
InstanceType.stringifyReturns a stringified version of the object …
def unop(self, unop: ast.unaryop) ‑> pluthon.pluthon_ast.AST-
Inherited from:
InstanceType.unopImplements a unary operation on self
def unop_type(self, unop: ast.unaryop) ‑> Type-
Inherited from:
InstanceType.unop_typeType of a unary operation on self.
class PolymorphicFunctionType (polymorphic_function: PolymorphicFunction)-
A special type of builtin that may act differently on different parameters
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@dataclass(frozen=True, unsafe_hash=True) class PolymorphicFunctionType(ClassType): """A special type of builtin that may act differently on different parameters""" polymorphic_function: PolymorphicFunction def __ge__(self, other): return ( isinstance(other, PolymorphicFunctionType) and self.polymorphic_function == other.polymorphic_function ) def python_type(self): return ( f"PolymorphicFunctionType({self.polymorphic_function.__class__.__name__})" )Ancestors
Instance variables
var polymorphic_function : PolymorphicFunction
Methods
def attribute(self, attr) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.attributeThe attributes of this class. Needs to be a lambda that expects as first argument the object itself
def attribute_type(self, attr) ‑> Type-
Inherited from:
ClassType.attribute_typeThe types of the named attributes of this class
def binop(self, binop: ast.operator, other: ast.AST) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.binopImplements a binary operation between self and other
def binop_type(self, binop: ast.operator, other: Type) ‑> Type-
Inherited from:
ClassType.binop_typeType of a binary operation between self and other.
def cmp(self, op: ast.cmpop, o: Type) ‑> pluthon.pluthon_ast.AST-
The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second …
def constr(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.constrThe constructor for this class
def constr_type(self) ‑> InstanceType-
Inherited from:
ClassType.constr_typeThe type of the constructor for this class
def copy_only_attributes(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.copy_only_attributesPluthon function that returns a copy of only the attributes of the object This can only be called for UnionType and RecordType, as such the input data …
def pluthon_type(self, skip_constructor: bool = False) ‑> str-
Inherited from:
ClassType.pluthon_typeReturns a representation of the type in pluthon.
def python_type(self)-
Inherited from:
ClassType.python_typeReturns a representation of the type in python.
Expand source code
def python_type(self): return ( f"PolymorphicFunctionType({self.polymorphic_function.__class__.__name__})" ) def stringify(self, recursive: bool = False) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.stringifyReturns a stringified version of the object …
def unop(self, unop: ast.unaryop) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.unopImplements a unary operation on self
def unop_type(self, unop: ast.unaryop) ‑> Type-
Inherited from:
ClassType.unop_typeType of a unary operation on self.
class Record (name: str, orig_name: str, constructor: int, fields: List[Tuple[str, Type]] | frozenlist2.frozenlist)-
Record(name: str, orig_name: str, constructor: int, fields: Union[List[Tuple[str, opshin.type_impls.Type]], frozenlist2.frozenlist])
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@dataclass(frozen=True, unsafe_hash=True) class Record: name: str orig_name: str constructor: int fields: typing.Union[typing.List[typing.Tuple[str, Type]], frozenlist] def __post_init__(self): object.__setattr__(self, "fields", frozenlist(self.fields)) def __ge__(self, other): if not isinstance(other, Record): return False return ( self.constructor == other.constructor and len(self.fields) == len(other.fields) and all(a >= b for a, b in zip(self.fields, other.fields)) )Instance variables
var constructor : intvar fields : List[Tuple[str, Type]] | frozenlist2.frozenlistvar name : strvar orig_name : str
class RecordType (record: Record)-
RecordType(record: opshin.type_impls.Record)
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@dataclass(frozen=True, unsafe_hash=True) class RecordType(ClassType): record: Record def pluthon_type(self, skip_constructor: bool = False) -> str: return ( "cons[" + self.record.orig_name + "](" + (str(self.record.constructor) if not skip_constructor else "_") + ";" + ",".join( name + ":" + type.pluthon_type() for name, type in self.record.fields ) + ")" ) def python_type(self): return ( f"class {self.record.orig_name}(CONSTR_ID={self.record.constructor}, " + ", ".join( f"{name}: {type.python_type()}" for name, type in self.record.fields ) + ")" ) def constr_type(self) -> "InstanceType": return InstanceType( FunctionType( frozenlist([f[1] for f in self.record.fields]), InstanceType(self) ) ) def constr(self) -> plt.AST: # wrap all constructor values to PlutusData build_constr_params = plt.EmptyDataList() for n, t in reversed(self.record.fields): build_constr_params = plt.MkCons( transform_output_map(t)(plt.Force(OVar(n))), build_constr_params ) # then build a constr type with this PlutusData return SafeOLambda( [n for n, _ in self.record.fields], plt.ConstrData(plt.Integer(self.record.constructor), build_constr_params), ) def attribute_type(self, attr: str) -> Type: """The types of the named attributes of this class""" if attr == "CONSTR_ID": return IntegerInstanceType for n, t in self.record.fields: if n == attr: return t if attr == "to_cbor": return InstanceType(FunctionType(frozenlist([]), ByteStringInstanceType)) raise TypeInferenceError( f"Type {self.record.name} does not have attribute {attr}" ) def attribute(self, attr: str) -> plt.AST: """The attributes of this class. Need to be a lambda that expects as first argument the object itself""" if attr == "CONSTR_ID": # access to constructor return OLambda( ["self"], plt.Constructor(OVar("self")), ) if attr in (n for n, t in self.record.fields): attr_typ = self.attribute_type(attr) pos = next(i for i, (n, _) in enumerate(self.record.fields) if n == attr) # access to normal fields return OLambda( ["self"], transform_ext_params_map(attr_typ)( plt.ConstantNthFieldFast( OVar("self"), pos, ), ), ) if attr == "to_cbor": return OLambda( ["self", "_"], plt.SerialiseData( OVar("self"), ), ) raise NotImplementedError(f"Attribute {attr} not implemented for type {self}") def cmp(self, op: cmpop, o: "Type") -> plt.AST: """The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second the comparison.""" # this will reject comparisons that will always be false - most likely due to faults during programming if ( ( isinstance(o, RecordType) and (self.record >= o.record or o.record >= self.record) ) or ( isinstance(o, UnionType) and any(self >= o or self >= o for o in o.typs) ) or isinstance(o, AnyType) ): # Note that comparison with AnyType is actually fine because both are Data if isinstance(op, Eq): return plt.BuiltIn(uplc.BuiltInFun.EqualsData) if isinstance(op, NotEq): return OLambda( ["x", "y"], plt.Not( plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsData), OVar("x"), OVar("y"), ) ), ) if ( isinstance(o, ListType) and isinstance(o.typ, InstanceType) and (o.typ.typ >= self or self >= o.typ.typ) ): if isinstance(op, In): return OLambda( ["x", "y"], plt.AnyList( OVar("y"), plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsData), OVar("x"), ), ), ) if isinstance(op, NotIn): return OLambda( ["x", "y"], plt.Not( plt.AnyList( OVar("y"), plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsData), OVar("x"), ), ), ), ) return super().cmp(op, o) def __ge__(self, other): # Can only substitute for its own type, records need to be equal # if someone wants to be funny, they can implement <= to be true if all fields match up to some point return isinstance(other, self.__class__) and self.record >= other.record def stringify(self, recursive: bool = False) -> plt.AST: """Returns a stringified version of the object""" map_fields = plt.Text(")") if self.record.fields: # TODO access to fields is a bit inefficient but this is debugging stuff only anyways pos = len(self.record.fields) - 1 for field_name, field_type in reversed(self.record.fields[1:]): map_fields = plt.ConcatString( plt.Text(f", {field_name}="), plt.Apply( field_type.stringify(recursive=True), transform_ext_params_map(field_type)( plt.ConstantNthFieldFast(OVar("self"), pos) ), ), map_fields, ) pos -= 1 map_fields = plt.ConcatString( plt.Text(f"{self.record.fields[0][0]}="), plt.Apply( self.record.fields[0][1].stringify(recursive=True), transform_ext_params_map(self.record.fields[0][1])( plt.ConstantNthFieldFast(OVar("self"), pos) ), ), map_fields, ) return OLambda( ["self"], plt.AppendString(plt.Text(f"{self.record.orig_name}("), map_fields), ) def copy_only_attributes(self) -> plt.AST: copied_attributes = plt.EmptyDataList() for attr_name, attr_type in reversed(self.record.fields): copied_attributes = OLet( [ ("f", plt.HeadList(OVar("fs"))), ("fs", plt.TailList(OVar("fs"))), ], plt.MkCons( plt.Apply( attr_type.copy_only_attributes(), OVar("f"), ), copied_attributes, ), ) copied_attributes = OLet( [("fs", plt.Fields(OVar("self")))], copied_attributes, ) return OLambda( ["self"], plt.DelayedChooseData( OVar("self"), plt.ConstrData( plt.Integer(self.record.constructor), copied_attributes, ), plt.TraceError( "IntegrityError: Expected a PlutusMap, but got PlutusDict" ), plt.TraceError( "IntegrityError: Expected a PlutusMap, but got PlutusList" ), plt.TraceError( "IntegrityError: Expected a PlutusMap, but got PlutusInteger" ), plt.TraceError( "IntegrityError: Expected a PlutusMap, but got PlutusByteString" ), ), )Ancestors
Instance variables
var record : Record
Methods
def attribute(self, attr: str) ‑> pluthon.pluthon_ast.AST-
The attributes of this class. Need to be a lambda that expects as first argument the object itself
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def attribute(self, attr: str) -> plt.AST: """The attributes of this class. Need to be a lambda that expects as first argument the object itself""" if attr == "CONSTR_ID": # access to constructor return OLambda( ["self"], plt.Constructor(OVar("self")), ) if attr in (n for n, t in self.record.fields): attr_typ = self.attribute_type(attr) pos = next(i for i, (n, _) in enumerate(self.record.fields) if n == attr) # access to normal fields return OLambda( ["self"], transform_ext_params_map(attr_typ)( plt.ConstantNthFieldFast( OVar("self"), pos, ), ), ) if attr == "to_cbor": return OLambda( ["self", "_"], plt.SerialiseData( OVar("self"), ), ) raise NotImplementedError(f"Attribute {attr} not implemented for type {self}") def attribute_type(self, attr: str) ‑> Type-
Inherited from:
ClassType.attribute_typeThe types of the named attributes of this class
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def attribute_type(self, attr: str) -> Type: """The types of the named attributes of this class""" if attr == "CONSTR_ID": return IntegerInstanceType for n, t in self.record.fields: if n == attr: return t if attr == "to_cbor": return InstanceType(FunctionType(frozenlist([]), ByteStringInstanceType)) raise TypeInferenceError( f"Type {self.record.name} does not have attribute {attr}" ) def binop(self, binop: ast.operator, other: ast.AST) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.binopImplements a binary operation between self and other
def binop_type(self, binop: ast.operator, other: Type) ‑> Type-
Inherited from:
ClassType.binop_typeType of a binary operation between self and other.
def cmp(self, op: ast.cmpop, o: Type) ‑> pluthon.pluthon_ast.AST-
The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second …
Expand source code
def cmp(self, op: cmpop, o: "Type") -> plt.AST: """The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second the comparison.""" # this will reject comparisons that will always be false - most likely due to faults during programming if ( ( isinstance(o, RecordType) and (self.record >= o.record or o.record >= self.record) ) or ( isinstance(o, UnionType) and any(self >= o or self >= o for o in o.typs) ) or isinstance(o, AnyType) ): # Note that comparison with AnyType is actually fine because both are Data if isinstance(op, Eq): return plt.BuiltIn(uplc.BuiltInFun.EqualsData) if isinstance(op, NotEq): return OLambda( ["x", "y"], plt.Not( plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsData), OVar("x"), OVar("y"), ) ), ) if ( isinstance(o, ListType) and isinstance(o.typ, InstanceType) and (o.typ.typ >= self or self >= o.typ.typ) ): if isinstance(op, In): return OLambda( ["x", "y"], plt.AnyList( OVar("y"), plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsData), OVar("x"), ), ), ) if isinstance(op, NotIn): return OLambda( ["x", "y"], plt.Not( plt.AnyList( OVar("y"), plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsData), OVar("x"), ), ), ), ) return super().cmp(op, o) def constr(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.constrThe constructor for this class
Expand source code
def constr(self) -> plt.AST: # wrap all constructor values to PlutusData build_constr_params = plt.EmptyDataList() for n, t in reversed(self.record.fields): build_constr_params = plt.MkCons( transform_output_map(t)(plt.Force(OVar(n))), build_constr_params ) # then build a constr type with this PlutusData return SafeOLambda( [n for n, _ in self.record.fields], plt.ConstrData(plt.Integer(self.record.constructor), build_constr_params), ) def constr_type(self) ‑> InstanceType-
Inherited from:
ClassType.constr_typeThe type of the constructor for this class
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def constr_type(self) -> "InstanceType": return InstanceType( FunctionType( frozenlist([f[1] for f in self.record.fields]), InstanceType(self) ) ) def copy_only_attributes(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.copy_only_attributesPluthon function that returns a copy of only the attributes of the object This can only be called for UnionType and RecordType, as such the input data …
Expand source code
def copy_only_attributes(self) -> plt.AST: copied_attributes = plt.EmptyDataList() for attr_name, attr_type in reversed(self.record.fields): copied_attributes = OLet( [ ("f", plt.HeadList(OVar("fs"))), ("fs", plt.TailList(OVar("fs"))), ], plt.MkCons( plt.Apply( attr_type.copy_only_attributes(), OVar("f"), ), copied_attributes, ), ) copied_attributes = OLet( [("fs", plt.Fields(OVar("self")))], copied_attributes, ) return OLambda( ["self"], plt.DelayedChooseData( OVar("self"), plt.ConstrData( plt.Integer(self.record.constructor), copied_attributes, ), plt.TraceError( "IntegrityError: Expected a PlutusMap, but got PlutusDict" ), plt.TraceError( "IntegrityError: Expected a PlutusMap, but got PlutusList" ), plt.TraceError( "IntegrityError: Expected a PlutusMap, but got PlutusInteger" ), plt.TraceError( "IntegrityError: Expected a PlutusMap, but got PlutusByteString" ), ), ) def pluthon_type(self, skip_constructor: bool = False) ‑> str-
Inherited from:
ClassType.pluthon_typeReturns a representation of the type in pluthon.
Expand source code
def pluthon_type(self, skip_constructor: bool = False) -> str: return ( "cons[" + self.record.orig_name + "](" + (str(self.record.constructor) if not skip_constructor else "_") + ";" + ",".join( name + ":" + type.pluthon_type() for name, type in self.record.fields ) + ")" ) def python_type(self)-
Inherited from:
ClassType.python_typeReturns a representation of the type in python.
Expand source code
def python_type(self): return ( f"class {self.record.orig_name}(CONSTR_ID={self.record.constructor}, " + ", ".join( f"{name}: {type.python_type()}" for name, type in self.record.fields ) + ")" ) def stringify(self, recursive: bool = False) ‑> pluthon.pluthon_ast.AST-
Returns a stringified version of the object
Expand source code
def stringify(self, recursive: bool = False) -> plt.AST: """Returns a stringified version of the object""" map_fields = plt.Text(")") if self.record.fields: # TODO access to fields is a bit inefficient but this is debugging stuff only anyways pos = len(self.record.fields) - 1 for field_name, field_type in reversed(self.record.fields[1:]): map_fields = plt.ConcatString( plt.Text(f", {field_name}="), plt.Apply( field_type.stringify(recursive=True), transform_ext_params_map(field_type)( plt.ConstantNthFieldFast(OVar("self"), pos) ), ), map_fields, ) pos -= 1 map_fields = plt.ConcatString( plt.Text(f"{self.record.fields[0][0]}="), plt.Apply( self.record.fields[0][1].stringify(recursive=True), transform_ext_params_map(self.record.fields[0][1])( plt.ConstantNthFieldFast(OVar("self"), pos) ), ), map_fields, ) return OLambda( ["self"], plt.AppendString(plt.Text(f"{self.record.orig_name}("), map_fields), ) def unop(self, unop: ast.unaryop) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.unopImplements a unary operation on self
def unop_type(self, unop: ast.unaryop) ‑> Type-
Inherited from:
ClassType.unop_typeType of a unary operation on self.
class StrImpl (*args, **kwargs)-
Expand source code
class StrImpl(PolymorphicFunction): def type_from_args(self, args: typing.List[Type]) -> FunctionType: assert ( len(args) == 1 ), f"'str' takes only one argument, but {len(args)} were given" typ = args[0] assert isinstance(typ, InstanceType), "Can only stringify instances" return FunctionType(args, StringInstanceType) def impl_from_args(self, args: typing.List[Type]) -> plt.AST: arg = args[0] assert isinstance(arg, InstanceType), "Can only stringify instances" return arg.typ.stringify()Ancestors
Methods
def impl_from_args(self, args: List[Type]) ‑> pluthon.pluthon_ast.AST-
Expand source code
def impl_from_args(self, args: typing.List[Type]) -> plt.AST: arg = args[0] assert isinstance(arg, InstanceType), "Can only stringify instances" return arg.typ.stringify() def type_from_args(self, args: List[Type]) ‑> FunctionType-
Expand source code
def type_from_args(self, args: typing.List[Type]) -> FunctionType: assert ( len(args) == 1 ), f"'str' takes only one argument, but {len(args)} were given" typ = args[0] assert isinstance(typ, InstanceType), "Can only stringify instances" return FunctionType(args, StringInstanceType)
class StringType-
StringType()
Expand source code
@dataclass(frozen=True, unsafe_hash=True) class StringType(AtomicType): def python_type(self): return "str" def constr_type(self) -> InstanceType: return InstanceType(PolymorphicFunctionType(StrImpl())) def attribute_type(self, attr) -> Type: if attr == "encode": return InstanceType(FunctionType(frozenlist([]), ByteStringInstanceType)) return super().attribute_type(attr) def attribute(self, attr) -> plt.AST: if attr == "encode": # No codec -> only the default (utf8) is allowed return OLambda(["x", "_"], plt.EncodeUtf8(OVar("x"))) return super().attribute(attr) def cmp(self, op: cmpop, o: "Type") -> plt.AST: if isinstance(o, StringType): if isinstance(op, Eq): return plt.BuiltIn(uplc.BuiltInFun.EqualsString) if isinstance(op, NotEq): return OLambda( ["x", "y"], plt.Not(plt.EqualsString(OVar("x"), OVar("y"))) ) return super().cmp(op, o) def stringify(self, recursive: bool = False) -> plt.AST: if recursive: # TODO this is not correct, as the string is not properly escaped return OLambda( ["self"], plt.ConcatString(plt.Text("'"), OVar("self"), plt.Text("'")), ) else: return OLambda(["self"], OVar("self")) def _binop_return_type(self, binop: operator, other: "Type") -> "Type": if isinstance(binop, Add): if other == StringInstanceType: return StringType() if isinstance(binop, Mult): if other == IntegerInstanceType: return StringType() return super().binop_type(binop, other) def _binop_bin_fun(self, binop: operator, other: AST): if isinstance(binop, Add): if other.typ == StringInstanceType: return plt.AppendString if isinstance(binop, Mult): if other.typ == IntegerInstanceType: return StrIntMulImpl def _unop_return_type(self, unop: unaryop) -> "Type": if isinstance(unop, Not): return BoolType() return super()._unop_return_type(unop) def _unop_fun(self, unop: unaryop) -> Callable[[plt.AST], plt.AST]: if isinstance(unop, Not): return lambda x: plt.EqualsInteger( plt.LengthOfByteString(plt.EncodeUtf8(x)), plt.Integer(0) ) return super()._unop_fun(unop) def copy_only_attributes(self) -> plt.AST: return OLambda( ["self"], plt.DelayedChooseData( OVar("self"), plt.TraceError( f"IntegrityError: Expected PlutusByteString but got PlutusData" ), plt.TraceError( f"IntegrityError: Expected PlutusByteString but got PlutusMap" ), plt.TraceError( f"IntegrityError: Expected PlutusByteString but got PlutusList" ), plt.TraceError( f"IntegrityError: Expected PlutusByteString but got PlutusInteger" ), OVar("self"), ), )Ancestors
Methods
def attribute(self, attr) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.attributeThe attributes of this class. Needs to be a lambda that expects as first argument the object itself
Expand source code
def attribute(self, attr) -> plt.AST: if attr == "encode": # No codec -> only the default (utf8) is allowed return OLambda(["x", "_"], plt.EncodeUtf8(OVar("x"))) return super().attribute(attr) def attribute_type(self, attr) ‑> Type-
Inherited from:
AtomicType.attribute_typeThe types of the named attributes of this class
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def attribute_type(self, attr) -> Type: if attr == "encode": return InstanceType(FunctionType(frozenlist([]), ByteStringInstanceType)) return super().attribute_type(attr) def binop(self, binop: ast.operator, other: ast.AST) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.binopImplements a binary operation between self and other
def binop_type(self, binop: ast.operator, other: Type) ‑> Type-
Inherited from:
AtomicType.binop_typeType of a binary operation between self and other.
def cmp(self, op: ast.cmpop, o: Type) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.cmpThe implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second …
Expand source code
def cmp(self, op: cmpop, o: "Type") -> plt.AST: if isinstance(o, StringType): if isinstance(op, Eq): return plt.BuiltIn(uplc.BuiltInFun.EqualsString) if isinstance(op, NotEq): return OLambda( ["x", "y"], plt.Not(plt.EqualsString(OVar("x"), OVar("y"))) ) return super().cmp(op, o) def constr(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.constrThe constructor for this class
def constr_type(self) ‑> InstanceType-
Inherited from:
AtomicType.constr_typeThe type of the constructor for this class
Expand source code
def constr_type(self) -> InstanceType: return InstanceType(PolymorphicFunctionType(StrImpl())) def copy_only_attributes(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.copy_only_attributesPluthon function that returns a copy of only the attributes of the object This can only be called for UnionType and RecordType, as such the input data …
Expand source code
def copy_only_attributes(self) -> plt.AST: return OLambda( ["self"], plt.DelayedChooseData( OVar("self"), plt.TraceError( f"IntegrityError: Expected PlutusByteString but got PlutusData" ), plt.TraceError( f"IntegrityError: Expected PlutusByteString but got PlutusMap" ), plt.TraceError( f"IntegrityError: Expected PlutusByteString but got PlutusList" ), plt.TraceError( f"IntegrityError: Expected PlutusByteString but got PlutusInteger" ), OVar("self"), ), ) def pluthon_type(self, skip_constructor: bool = False) ‑> str-
Inherited from:
AtomicType.pluthon_typeReturns a representation of the type in pluthon.
def python_type(self)-
Inherited from:
AtomicType.python_typeReturns a representation of the type in python.
Expand source code
def python_type(self): return "str" def stringify(self, recursive: bool = False) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.stringifyReturns a stringified version of the object …
Expand source code
def stringify(self, recursive: bool = False) -> plt.AST: if recursive: # TODO this is not correct, as the string is not properly escaped return OLambda( ["self"], plt.ConcatString(plt.Text("'"), OVar("self"), plt.Text("'")), ) else: return OLambda(["self"], OVar("self")) def unop(self, unop: ast.unaryop) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.unopImplements a unary operation on self
def unop_type(self, unop: ast.unaryop) ‑> Type-
Inherited from:
AtomicType.unop_typeType of a unary operation on self.
class TupleType (typs: List[Type])-
TupleType(typs: List[opshin.type_impls.Type])
Expand source code
@dataclass(frozen=True, unsafe_hash=True) class TupleType(ClassType): typs: typing.List[Type] def __ge__(self, other): return ( isinstance(other, TupleType) and len(self.typs) <= len(other.typs) and all(t >= ot for t, ot in zip(self.typs, other.typs)) ) def stringify(self, recursive: bool = False) -> plt.AST: if not self.typs: return OLambda( ["self"], plt.Text("()"), ) elif len(self.typs) == 1: tuple_content = plt.ConcatString( plt.Apply( self.typs[0].stringify(recursive=True), plt.FunctionalTupleAccess(OVar("self"), 0, len(self.typs)), ), plt.Text(","), ) else: tuple_content = plt.ConcatString( plt.Apply( self.typs[0].stringify(recursive=True), plt.FunctionalTupleAccess(OVar("self"), 0, len(self.typs)), ), ) for i, t in enumerate(self.typs[1:], start=1): tuple_content = plt.ConcatString( tuple_content, plt.Text(", "), plt.Apply( t.stringify(recursive=True), plt.FunctionalTupleAccess(OVar("self"), i, len(self.typs)), ), ) return OLambda( ["self"], plt.ConcatString(plt.Text("("), tuple_content, plt.Text(")")), ) def _binop_return_type(self, binop: operator, other: "Type") -> "Type": if isinstance(binop, Add): if isinstance(other, TupleType): return TupleType(self.typs + other.typs) return super()._binop_return_type(binop, other) def python_type(self) -> str: return f"Tuple[{', '.join(t.python_type() for t in self.typs)}]"Ancestors
Instance variables
var typs : List[Type]
Methods
def attribute(self, attr) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.attributeThe attributes of this class. Needs to be a lambda that expects as first argument the object itself
def attribute_type(self, attr) ‑> Type-
Inherited from:
ClassType.attribute_typeThe types of the named attributes of this class
def binop(self, binop: ast.operator, other: ast.AST) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.binopImplements a binary operation between self and other
def binop_type(self, binop: ast.operator, other: Type) ‑> Type-
Inherited from:
ClassType.binop_typeType of a binary operation between self and other.
def cmp(self, op: ast.cmpop, o: Type) ‑> pluthon.pluthon_ast.AST-
The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second …
def constr(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.constrThe constructor for this class
def constr_type(self) ‑> InstanceType-
Inherited from:
ClassType.constr_typeThe type of the constructor for this class
def copy_only_attributes(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.copy_only_attributesPluthon function that returns a copy of only the attributes of the object This can only be called for UnionType and RecordType, as such the input data …
def pluthon_type(self, skip_constructor: bool = False) ‑> str-
Inherited from:
ClassType.pluthon_typeReturns a representation of the type in pluthon.
def python_type(self) ‑> str-
Inherited from:
ClassType.python_typeReturns a representation of the type in python.
Expand source code
def python_type(self) -> str: return f"Tuple[{', '.join(t.python_type() for t in self.typs)}]" def stringify(self, recursive: bool = False) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.stringifyReturns a stringified version of the object …
Expand source code
def stringify(self, recursive: bool = False) -> plt.AST: if not self.typs: return OLambda( ["self"], plt.Text("()"), ) elif len(self.typs) == 1: tuple_content = plt.ConcatString( plt.Apply( self.typs[0].stringify(recursive=True), plt.FunctionalTupleAccess(OVar("self"), 0, len(self.typs)), ), plt.Text(","), ) else: tuple_content = plt.ConcatString( plt.Apply( self.typs[0].stringify(recursive=True), plt.FunctionalTupleAccess(OVar("self"), 0, len(self.typs)), ), ) for i, t in enumerate(self.typs[1:], start=1): tuple_content = plt.ConcatString( tuple_content, plt.Text(", "), plt.Apply( t.stringify(recursive=True), plt.FunctionalTupleAccess(OVar("self"), i, len(self.typs)), ), ) return OLambda( ["self"], plt.ConcatString(plt.Text("("), tuple_content, plt.Text(")")), ) def unop(self, unop: ast.unaryop) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.unopImplements a unary operation on self
def unop_type(self, unop: ast.unaryop) ‑> Type-
Inherited from:
ClassType.unop_typeType of a unary operation on self.
class Type (*args, **kwargs)-
Expand source code
class Type: def __new__(meta, *args, **kwargs): klass = super().__new__(meta) for key in ["constr", "attribute", "cmp", "stringify", "copy_only_attributes"]: value = getattr(klass, key) wrapped = patternize(value) object.__setattr__(klass, key, wrapped) return klass def constr_type(self) -> "InstanceType": """The type of the constructor for this class""" raise TypeInferenceError( f"Object of type {self.__class__} does not have a constructor" ) def constr(self) -> plt.AST: """The constructor for this class""" raise NotImplementedError( f"Constructor of {self.python_type()} not implemented" ) def attribute_type(self, attr) -> "Type": """The types of the named attributes of this class""" raise TypeInferenceError( f"Object of type {self.python_type()} does not have attribute {attr}" ) def attribute(self, attr) -> plt.AST: """The attributes of this class. Needs to be a lambda that expects as first argument the object itself""" raise NotImplementedError(f"Attribute {attr} not implemented for type {self}") def cmp(self, op: cmpop, o: "Type") -> plt.AST: """The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second the comparison.""" raise NotImplementedError( f"Comparison {type(op).__name__} for {self.python_type()} and {o.python_type()} is not implemented. This is likely intended because it would always evaluate to False." ) def stringify(self, recursive: bool = False) -> plt.AST: """ Returns a stringified version of the object The recursive parameter informs the method whether it was invoked recursively from another invokation """ raise NotImplementedError(f"{self.python_type()} can not be stringified") def copy_only_attributes(self) -> plt.AST: """ Pluthon function that returns a copy of only the attributes of the object This can only be called for UnionType and RecordType, as such the input data is always in PlutusData format and the output should be as well. """ raise NotImplementedError(f"{self.python_type()} can not be copied") def binop_type(self, binop: operator, other: "Type") -> "Type": """ Type of a binary operation between self and other. """ return FunctionType( [InstanceType(self), InstanceType(other)], InstanceType(self._binop_return_type(binop, other)), ) def _binop_return_type(self, binop: operator, other: "Type") -> "Type": """ Return the type of a binary operation between self and other """ raise NotImplementedError( f"{self.python_type()} does not implement {binop.__class__.__name__}" ) def binop(self, binop: operator, other: AST) -> plt.AST: """ Implements a binary operation between self and other """ return OLambda( ["self", "other"], self._binop_bin_fun(binop, other)(OVar("self"), OVar("other")), ) def _binop_bin_fun( self, binop: operator, other: AST ) -> Callable[[plt.AST, plt.AST], plt.AST]: """ Returns a binary function that implements the binary operation between self and other. """ raise NotImplementedError( f"{self.python_type()} can not be used with operation {binop.__class__.__name__}" ) def unop_type(self, unop: unaryop) -> "Type": """ Type of a unary operation on self. """ return FunctionType( [InstanceType(self)], InstanceType(self._unop_return_type(unop)), ) def _unop_return_type(self, unop: unaryop) -> "Type": """ Return the type of a binary operation between self and other """ raise NotImplementedError( f"{self.python_type()} does not implement {unop.__class__.__name__}" ) def unop(self, unop: unaryop) -> plt.AST: """ Implements a unary operation on self """ return OLambda( ["self"], self._unop_fun(unop)(OVar("self")), ) def _unop_fun(self, unop: unaryop) -> Callable[[plt.AST], plt.AST]: """ Returns a unary function that implements the unary operation on self. """ raise NotImplementedError( f"{self.python_type()} can not be used with operation {unop.__class__.__name__}" ) def pluthon_type(self, skip_constructor: bool = False) -> str: """ Returns a representation of the type in pluthon. """ raise NotImplementedError( f"Type {self.python_type()} does not have a pluthon representation" ) def python_type(self): """ Returns a representation of the type in python. """ raise NotImplementedError( f"Type {type(self).__name__} does not have a python type representation" )Subclasses
Methods
def attribute(self, attr) ‑> pluthon.pluthon_ast.AST-
The attributes of this class. Needs to be a lambda that expects as first argument the object itself
Expand source code
def attribute(self, attr) -> plt.AST: """The attributes of this class. Needs to be a lambda that expects as first argument the object itself""" raise NotImplementedError(f"Attribute {attr} not implemented for type {self}") def attribute_type(self, attr) ‑> Type-
The types of the named attributes of this class
Expand source code
def attribute_type(self, attr) -> "Type": """The types of the named attributes of this class""" raise TypeInferenceError( f"Object of type {self.python_type()} does not have attribute {attr}" ) def binop(self, binop: ast.operator, other: ast.AST) ‑> pluthon.pluthon_ast.AST-
Implements a binary operation between self and other
Expand source code
def binop(self, binop: operator, other: AST) -> plt.AST: """ Implements a binary operation between self and other """ return OLambda( ["self", "other"], self._binop_bin_fun(binop, other)(OVar("self"), OVar("other")), ) def binop_type(self, binop: ast.operator, other: Type) ‑> Type-
Type of a binary operation between self and other.
Expand source code
def binop_type(self, binop: operator, other: "Type") -> "Type": """ Type of a binary operation between self and other. """ return FunctionType( [InstanceType(self), InstanceType(other)], InstanceType(self._binop_return_type(binop, other)), ) def cmp(self, op: ast.cmpop, o: Type) ‑> pluthon.pluthon_ast.AST-
The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second the comparison.
Expand source code
def cmp(self, op: cmpop, o: "Type") -> plt.AST: """The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second the comparison.""" raise NotImplementedError( f"Comparison {type(op).__name__} for {self.python_type()} and {o.python_type()} is not implemented. This is likely intended because it would always evaluate to False." ) def constr(self) ‑> pluthon.pluthon_ast.AST-
The constructor for this class
Expand source code
def constr(self) -> plt.AST: """The constructor for this class""" raise NotImplementedError( f"Constructor of {self.python_type()} not implemented" ) def constr_type(self) ‑> InstanceType-
The type of the constructor for this class
Expand source code
def constr_type(self) -> "InstanceType": """The type of the constructor for this class""" raise TypeInferenceError( f"Object of type {self.__class__} does not have a constructor" ) def copy_only_attributes(self) ‑> pluthon.pluthon_ast.AST-
Pluthon function that returns a copy of only the attributes of the object This can only be called for UnionType and RecordType, as such the input data is always in PlutusData format and the output should be as well.
Expand source code
def copy_only_attributes(self) -> plt.AST: """ Pluthon function that returns a copy of only the attributes of the object This can only be called for UnionType and RecordType, as such the input data is always in PlutusData format and the output should be as well. """ raise NotImplementedError(f"{self.python_type()} can not be copied") def pluthon_type(self, skip_constructor: bool = False) ‑> str-
Returns a representation of the type in pluthon.
Expand source code
def pluthon_type(self, skip_constructor: bool = False) -> str: """ Returns a representation of the type in pluthon. """ raise NotImplementedError( f"Type {self.python_type()} does not have a pluthon representation" ) def python_type(self)-
Returns a representation of the type in python.
Expand source code
def python_type(self): """ Returns a representation of the type in python. """ raise NotImplementedError( f"Type {type(self).__name__} does not have a python type representation" ) def stringify(self, recursive: bool = False) ‑> pluthon.pluthon_ast.AST-
Returns a stringified version of the object
The recursive parameter informs the method whether it was invoked recursively from another invokation
Expand source code
def stringify(self, recursive: bool = False) -> plt.AST: """ Returns a stringified version of the object The recursive parameter informs the method whether it was invoked recursively from another invokation """ raise NotImplementedError(f"{self.python_type()} can not be stringified") def unop(self, unop: ast.unaryop) ‑> pluthon.pluthon_ast.AST-
Implements a unary operation on self
Expand source code
def unop(self, unop: unaryop) -> plt.AST: """ Implements a unary operation on self """ return OLambda( ["self"], self._unop_fun(unop)(OVar("self")), ) def unop_type(self, unop: ast.unaryop) ‑> Type-
Type of a unary operation on self.
Expand source code
def unop_type(self, unop: unaryop) -> "Type": """ Type of a unary operation on self. """ return FunctionType( [InstanceType(self)], InstanceType(self._unop_return_type(unop)), )
class TypeInferenceError (*args, **kwargs)-
Assertion failed.
Expand source code
class TypeInferenceError(AssertionError): passAncestors
- builtins.AssertionError
- builtins.Exception
- builtins.BaseException
class UnionType (typs: List[Type])-
UnionType(typs: List[opshin.type_impls.Type])
Expand source code
@dataclass(frozen=True, unsafe_hash=True) class UnionType(ClassType): typs: typing.List[Type] def __post_init__(self): object.__setattr__(self, "typs", frozenlist(self.typs)) def pluthon_type(self, skip_constructor: bool = False) -> str: return "union<" + ",".join(t.pluthon_type() for t in self.typs) + ">" def python_type(self): return "Union[" + ", ".join(t.python_type() for t in self.typs) + "]" def attribute_type(self, attr) -> "Type": record_only = all(isinstance(x, RecordType) for x in self.typs) if attr == "CONSTR_ID" and record_only: # constructor is only guaranteed to be present if all types are record types return IntegerInstanceType # need to have a common field with the same name if record_only and all( attr in (n for n, t in x.record.fields) for x in self.typs ): attr_types = OrderedSet( t for x in self.typs for n, t in x.record.fields if n == attr ) for at in attr_types: # return the maximum element if there is one if all(at >= at2 for at2 in attr_types): return at # return the union type of all possible instantiations if all possible values are record types if all( isinstance(at, InstanceType) and isinstance(at.typ, RecordType) for at in attr_types ) and distinct([at.typ.record.constructor for at in attr_types]): return InstanceType( UnionType(frozenlist([at.typ for at in attr_types])) ) # return Anytype return InstanceType(AnyType()) if attr == "to_cbor": return InstanceType(FunctionType(frozenlist([]), ByteStringInstanceType)) raise TypeInferenceError( f"Can not access attribute {attr} of Union type. Cast to desired type with an 'if isinstance(_, _):' branch." ) def attribute(self, attr: str) -> plt.AST: if attr == "CONSTR_ID": # access to constructor return OLambda( ["self"], plt.Constructor(OVar("self")), ) # iterate through all names/types of the unioned records by position if any(attr in (n for n, t in r.record.fields) for r in self.typs): attr_typ = self.attribute_type(attr) pos_constrs = [ (i, x.record.constructor) for x in self.typs for i, (n, t) in enumerate(x.record.fields) if n == attr ] pos_constrs = sorted(pos_constrs, key=lambda x: x[0]) pos_constrs = [ (pos, [c[1] for c in constrs]) for (pos, constrs) in itertools.groupby(pos_constrs, key=lambda x: x[0]) ] # largest group last so we save the comparisons for that pos_constrs = sorted(pos_constrs, key=lambda x: len(x[1])) # access to normal fields if not pos_constrs: pos_decisor = plt.TraceError("Invalid constructor") else: pos_decisor = plt.ConstantNthFieldFast(OVar("self"), pos_constrs[-1][0]) pos_constrs = pos_constrs[:-1] # constr is not needed when there is only one position for all constructors if not pos_constrs: return OLambda( ["self"], transform_ext_params_map(attr_typ)( pos_decisor, ), ) for pos, constrs in pos_constrs: assert constrs, "Found empty constructors for a position" constr_check = plt.EqualsInteger( OVar("constr"), plt.Integer(constrs[0]) ) for constr in constrs[1:]: constr_check = plt.Or( plt.EqualsInteger(OVar("constr"), plt.Integer(constr)), constr_check, ) pos_decisor = plt.Ite( constr_check, plt.ConstantNthFieldFast(OVar("self"), pos), pos_decisor, ) return OLambda( ["self"], transform_ext_params_map(attr_typ)( OLet( [("constr", plt.Constructor(OVar("self")))], pos_decisor, ), ), ) if attr == "to_cbor": return OLambda( ["self", "_"], plt.SerialiseData( OVar("self"), ), ) raise NotImplementedError(f"Attribute {attr} not implemented for type {self}") def __ge__(self, other): if isinstance(other, UnionType): return all(self >= ot for ot in other.typs) return any(t >= other for t in self.typs) def cmp(self, op: cmpop, o: "Type") -> plt.AST: """The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second the comparison.""" # this will reject comparisons that will always be false - most likely due to faults during programming # note we require that there is an overlapt between the possible types for unions if (isinstance(o, RecordType) and any(t >= o or o >= t for t in self.typs)) or ( isinstance(o, UnionType) and any(t >= ot or t >= ot for t in self.typs for ot in o.typs) ): if isinstance(op, Eq): return plt.BuiltIn(uplc.BuiltInFun.EqualsData) if isinstance(op, NotEq): return OLambda( ["x", "y"], plt.Not( plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsData), OVar("x"), OVar("y"), ) ), ) if ( isinstance(o, ListType) and isinstance(o.typ, InstanceType) and any(o.typ.typ >= t or t >= o.typ.typ for t in self.typs) ): if isinstance(op, In): return OLambda( ["x", "y"], plt.AnyList( OVar("y"), plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsData), OVar("x"), ), ), ) if isinstance(op, NotIn): return OLambda( ["x", "y"], plt.Not( plt.AnyList( OVar("y"), plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsData), OVar("x"), ), ), ), ) raise NotImplementedError( f"Can not compare {o} and {self} with operation {op.__class__}. Note that comparisons that always return false are also rejected." ) def stringify(self, recursive: bool = False) -> plt.AST: decide_string_func = plt.TraceError("Invalid constructor id in Union") for t in self.typs: decide_string_func = plt.Ite( plt.EqualsInteger(OVar("c"), plt.Integer(t.record.constructor)), t.stringify(recursive=True), decide_string_func, ) return OLambda( ["self"], OLet( [("c", plt.Constructor(OVar("self")))], plt.Apply(decide_string_func, OVar("self")), ), ) def copy_only_attributes(self) -> plt.AST: copied_attributes = plt.TraceError( f"Invalid CONSTR_ID for instance of {self.python_type()}]" ) for typ in self.typs: if not isinstance(typ, RecordType): continue copied_attributes = plt.Ite( plt.EqualsInteger(OVar("constr"), plt.Integer(typ.record.constructor)), plt.Apply(typ.copy_only_attributes(), OVar("self")), copied_attributes, ) record_copier = OLambda( ["self"], OLet( [("constr", plt.Constructor(OVar("self")))], copied_attributes, ), ) def lambda_false(x: str): return OLambda( ["_"], plt.TraceError( "Invalid datatype not in Union. Expected one of: " + (", ".join(t.python_type() for t in self.typs) + ", got " + x) ), ) return OLambda( ["self"], plt.Apply( plt.DelayedChooseData( OVar("self"), record_copier, ( DictType(AnyType(), AnyType()).copy_only_attributes() if any(isinstance(x, DictType) for x in self.typs) else lambda_false("dict") ), ( ListType(AnyType()).copy_only_attributes() if any(isinstance(x, ListType) for x in self.typs) else lambda_false("list") ), ( IntegerType().copy_only_attributes() if IntegerType() in self.typs else lambda_false("int") ), ( ByteStringType().copy_only_attributes() if ByteStringType() in self.typs else lambda_false("bytes") ), ), OVar("self"), ), )Ancestors
Instance variables
var typs : List[Type]
Methods
def attribute(self, attr: str) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.attributeThe attributes of this class. Needs to be a lambda that expects as first argument the object itself
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def attribute(self, attr: str) -> plt.AST: if attr == "CONSTR_ID": # access to constructor return OLambda( ["self"], plt.Constructor(OVar("self")), ) # iterate through all names/types of the unioned records by position if any(attr in (n for n, t in r.record.fields) for r in self.typs): attr_typ = self.attribute_type(attr) pos_constrs = [ (i, x.record.constructor) for x in self.typs for i, (n, t) in enumerate(x.record.fields) if n == attr ] pos_constrs = sorted(pos_constrs, key=lambda x: x[0]) pos_constrs = [ (pos, [c[1] for c in constrs]) for (pos, constrs) in itertools.groupby(pos_constrs, key=lambda x: x[0]) ] # largest group last so we save the comparisons for that pos_constrs = sorted(pos_constrs, key=lambda x: len(x[1])) # access to normal fields if not pos_constrs: pos_decisor = plt.TraceError("Invalid constructor") else: pos_decisor = plt.ConstantNthFieldFast(OVar("self"), pos_constrs[-1][0]) pos_constrs = pos_constrs[:-1] # constr is not needed when there is only one position for all constructors if not pos_constrs: return OLambda( ["self"], transform_ext_params_map(attr_typ)( pos_decisor, ), ) for pos, constrs in pos_constrs: assert constrs, "Found empty constructors for a position" constr_check = plt.EqualsInteger( OVar("constr"), plt.Integer(constrs[0]) ) for constr in constrs[1:]: constr_check = plt.Or( plt.EqualsInteger(OVar("constr"), plt.Integer(constr)), constr_check, ) pos_decisor = plt.Ite( constr_check, plt.ConstantNthFieldFast(OVar("self"), pos), pos_decisor, ) return OLambda( ["self"], transform_ext_params_map(attr_typ)( OLet( [("constr", plt.Constructor(OVar("self")))], pos_decisor, ), ), ) if attr == "to_cbor": return OLambda( ["self", "_"], plt.SerialiseData( OVar("self"), ), ) raise NotImplementedError(f"Attribute {attr} not implemented for type {self}") def attribute_type(self, attr) ‑> Type-
Inherited from:
ClassType.attribute_typeThe types of the named attributes of this class
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def attribute_type(self, attr) -> "Type": record_only = all(isinstance(x, RecordType) for x in self.typs) if attr == "CONSTR_ID" and record_only: # constructor is only guaranteed to be present if all types are record types return IntegerInstanceType # need to have a common field with the same name if record_only and all( attr in (n for n, t in x.record.fields) for x in self.typs ): attr_types = OrderedSet( t for x in self.typs for n, t in x.record.fields if n == attr ) for at in attr_types: # return the maximum element if there is one if all(at >= at2 for at2 in attr_types): return at # return the union type of all possible instantiations if all possible values are record types if all( isinstance(at, InstanceType) and isinstance(at.typ, RecordType) for at in attr_types ) and distinct([at.typ.record.constructor for at in attr_types]): return InstanceType( UnionType(frozenlist([at.typ for at in attr_types])) ) # return Anytype return InstanceType(AnyType()) if attr == "to_cbor": return InstanceType(FunctionType(frozenlist([]), ByteStringInstanceType)) raise TypeInferenceError( f"Can not access attribute {attr} of Union type. Cast to desired type with an 'if isinstance(_, _):' branch." ) def binop(self, binop: ast.operator, other: ast.AST) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.binopImplements a binary operation between self and other
def binop_type(self, binop: ast.operator, other: Type) ‑> Type-
Inherited from:
ClassType.binop_typeType of a binary operation between self and other.
def cmp(self, op: ast.cmpop, o: Type) ‑> pluthon.pluthon_ast.AST-
The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second …
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def cmp(self, op: cmpop, o: "Type") -> plt.AST: """The implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second the comparison.""" # this will reject comparisons that will always be false - most likely due to faults during programming # note we require that there is an overlapt between the possible types for unions if (isinstance(o, RecordType) and any(t >= o or o >= t for t in self.typs)) or ( isinstance(o, UnionType) and any(t >= ot or t >= ot for t in self.typs for ot in o.typs) ): if isinstance(op, Eq): return plt.BuiltIn(uplc.BuiltInFun.EqualsData) if isinstance(op, NotEq): return OLambda( ["x", "y"], plt.Not( plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsData), OVar("x"), OVar("y"), ) ), ) if ( isinstance(o, ListType) and isinstance(o.typ, InstanceType) and any(o.typ.typ >= t or t >= o.typ.typ for t in self.typs) ): if isinstance(op, In): return OLambda( ["x", "y"], plt.AnyList( OVar("y"), plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsData), OVar("x"), ), ), ) if isinstance(op, NotIn): return OLambda( ["x", "y"], plt.Not( plt.AnyList( OVar("y"), plt.Apply( plt.BuiltIn(uplc.BuiltInFun.EqualsData), OVar("x"), ), ), ), ) raise NotImplementedError( f"Can not compare {o} and {self} with operation {op.__class__}. Note that comparisons that always return false are also rejected." ) def constr(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.constrThe constructor for this class
def constr_type(self) ‑> InstanceType-
Inherited from:
ClassType.constr_typeThe type of the constructor for this class
def copy_only_attributes(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.copy_only_attributesPluthon function that returns a copy of only the attributes of the object This can only be called for UnionType and RecordType, as such the input data …
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def copy_only_attributes(self) -> plt.AST: copied_attributes = plt.TraceError( f"Invalid CONSTR_ID for instance of {self.python_type()}]" ) for typ in self.typs: if not isinstance(typ, RecordType): continue copied_attributes = plt.Ite( plt.EqualsInteger(OVar("constr"), plt.Integer(typ.record.constructor)), plt.Apply(typ.copy_only_attributes(), OVar("self")), copied_attributes, ) record_copier = OLambda( ["self"], OLet( [("constr", plt.Constructor(OVar("self")))], copied_attributes, ), ) def lambda_false(x: str): return OLambda( ["_"], plt.TraceError( "Invalid datatype not in Union. Expected one of: " + (", ".join(t.python_type() for t in self.typs) + ", got " + x) ), ) return OLambda( ["self"], plt.Apply( plt.DelayedChooseData( OVar("self"), record_copier, ( DictType(AnyType(), AnyType()).copy_only_attributes() if any(isinstance(x, DictType) for x in self.typs) else lambda_false("dict") ), ( ListType(AnyType()).copy_only_attributes() if any(isinstance(x, ListType) for x in self.typs) else lambda_false("list") ), ( IntegerType().copy_only_attributes() if IntegerType() in self.typs else lambda_false("int") ), ( ByteStringType().copy_only_attributes() if ByteStringType() in self.typs else lambda_false("bytes") ), ), OVar("self"), ), ) def pluthon_type(self, skip_constructor: bool = False) ‑> str-
Inherited from:
ClassType.pluthon_typeReturns a representation of the type in pluthon.
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def pluthon_type(self, skip_constructor: bool = False) -> str: return "union<" + ",".join(t.pluthon_type() for t in self.typs) + ">" def python_type(self)-
Inherited from:
ClassType.python_typeReturns a representation of the type in python.
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def python_type(self): return "Union[" + ", ".join(t.python_type() for t in self.typs) + "]" def stringify(self, recursive: bool = False) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.stringifyReturns a stringified version of the object …
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def stringify(self, recursive: bool = False) -> plt.AST: decide_string_func = plt.TraceError("Invalid constructor id in Union") for t in self.typs: decide_string_func = plt.Ite( plt.EqualsInteger(OVar("c"), plt.Integer(t.record.constructor)), t.stringify(recursive=True), decide_string_func, ) return OLambda( ["self"], OLet( [("c", plt.Constructor(OVar("self")))], plt.Apply(decide_string_func, OVar("self")), ), ) def unop(self, unop: ast.unaryop) ‑> pluthon.pluthon_ast.AST-
Inherited from:
ClassType.unopImplements a unary operation on self
def unop_type(self, unop: ast.unaryop) ‑> Type-
Inherited from:
ClassType.unop_typeType of a unary operation on self.
class UnitType-
UnitType()
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@dataclass(frozen=True, unsafe_hash=True) class UnitType(AtomicType): def cmp(self, op: cmpop, o: "Type") -> plt.AST: if isinstance(o, UnitType): if isinstance(op, Eq): return OLambda(["x", "y"], plt.Bool(True)) if isinstance(op, NotEq): return OLambda(["x", "y"], plt.Bool(False)) return super().cmp(op, o) def stringify(self, recursive: bool = False) -> plt.AST: return OLambda(["self"], plt.Text("None")) def _unop_return_type(self, unop: unaryop) -> "Type": if isinstance(unop, Not): return BoolType() return super()._unop_return_type(unop) def _unop_fun(self, unop: unaryop) -> Callable[[plt.AST], plt.AST]: if isinstance(unop, Not): return lambda x: plt.Bool(True) return super()._unop_fun(unop) def python_type(self): return "None"Ancestors
Methods
def attribute(self, attr) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.attributeThe attributes of this class. Needs to be a lambda that expects as first argument the object itself
def attribute_type(self, attr) ‑> Type-
Inherited from:
AtomicType.attribute_typeThe types of the named attributes of this class
def binop(self, binop: ast.operator, other: ast.AST) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.binopImplements a binary operation between self and other
def binop_type(self, binop: ast.operator, other: Type) ‑> Type-
Inherited from:
AtomicType.binop_typeType of a binary operation between self and other.
def cmp(self, op: ast.cmpop, o: Type) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.cmpThe implementation of comparing this type to type o via operator op. Returns a lambda that expects as first argument the object itself and as second …
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def cmp(self, op: cmpop, o: "Type") -> plt.AST: if isinstance(o, UnitType): if isinstance(op, Eq): return OLambda(["x", "y"], plt.Bool(True)) if isinstance(op, NotEq): return OLambda(["x", "y"], plt.Bool(False)) return super().cmp(op, o) def constr(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.constrThe constructor for this class
def constr_type(self) ‑> InstanceType-
Inherited from:
AtomicType.constr_typeThe type of the constructor for this class
def copy_only_attributes(self) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.copy_only_attributesPluthon function that returns a copy of only the attributes of the object This can only be called for UnionType and RecordType, as such the input data …
def pluthon_type(self, skip_constructor: bool = False) ‑> str-
Inherited from:
AtomicType.pluthon_typeReturns a representation of the type in pluthon.
def python_type(self)-
Inherited from:
AtomicType.python_typeReturns a representation of the type in python.
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def python_type(self): return "None" def stringify(self, recursive: bool = False) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.stringifyReturns a stringified version of the object …
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def stringify(self, recursive: bool = False) -> plt.AST: return OLambda(["self"], plt.Text("None")) def unop(self, unop: ast.unaryop) ‑> pluthon.pluthon_ast.AST-
Inherited from:
AtomicType.unopImplements a unary operation on self
def unop_type(self, unop: ast.unaryop) ‑> Type-
Inherited from:
AtomicType.unop_typeType of a unary operation on self.