# This is an automatically generated file.
# DO NOT EDIT or your changes may be overwritten
from __future__ import annotations
import base64
import json
from xdrlib3 import Packer, Unpacker
from .base import DEFAULT_XDR_MAX_DEPTH
from .extension_point import ExtensionPoint
from .int64 import Int64
__all__ = ["ContractCostParamEntry"]
[docs]
class ContractCostParamEntry:
"""
XDR Source Code::
struct ContractCostParamEntry {
// use `ext` to add more terms (e.g. higher order polynomials) in the future
ExtensionPoint ext;
int64 constTerm;
int64 linearTerm;
};
"""
def __init__(
self,
ext: ExtensionPoint,
const_term: Int64,
linear_term: Int64,
) -> None:
self.ext = ext
self.const_term = const_term
self.linear_term = linear_term
def pack(self, packer: Packer) -> None:
self.ext.pack(packer)
self.const_term.pack(packer)
self.linear_term.pack(packer)
@classmethod
def unpack(
cls, unpacker: Unpacker, depth_limit: int = DEFAULT_XDR_MAX_DEPTH
) -> ContractCostParamEntry:
if depth_limit <= 0:
raise ValueError("Maximum decoding depth reached")
ext = ExtensionPoint.unpack(unpacker, depth_limit - 1)
const_term = Int64.unpack(unpacker, depth_limit - 1)
linear_term = Int64.unpack(unpacker, depth_limit - 1)
return cls(
ext=ext,
const_term=const_term,
linear_term=linear_term,
)
def to_xdr_bytes(self) -> bytes:
packer = Packer()
self.pack(packer)
return packer.get_buffer()
@classmethod
def from_xdr_bytes(cls, xdr: bytes) -> ContractCostParamEntry:
unpacker = Unpacker(xdr)
result = cls.unpack(unpacker)
remaining = len(xdr) - unpacker.get_position()
if remaining != 0:
raise ValueError(f"Unexpected trailing {remaining} bytes in XDR data")
return result
def to_xdr(self) -> str:
xdr_bytes = self.to_xdr_bytes()
return base64.b64encode(xdr_bytes).decode()
@classmethod
def from_xdr(cls, xdr: str) -> ContractCostParamEntry:
xdr_bytes = base64.b64decode(xdr.encode())
return cls.from_xdr_bytes(xdr_bytes)
def to_json(self) -> str:
return json.dumps(self.to_json_dict())
@classmethod
def from_json(cls, json_str: str) -> ContractCostParamEntry:
return cls.from_json_dict(json.loads(json_str))
def to_json_dict(self) -> dict:
return {
"ext": self.ext.to_json_dict(),
"const_term": self.const_term.to_json_dict(),
"linear_term": self.linear_term.to_json_dict(),
}
@classmethod
def from_json_dict(cls, json_dict: dict) -> ContractCostParamEntry:
ext = ExtensionPoint.from_json_dict(json_dict["ext"])
const_term = Int64.from_json_dict(json_dict["const_term"])
linear_term = Int64.from_json_dict(json_dict["linear_term"])
return cls(
ext=ext,
const_term=const_term,
linear_term=linear_term,
)
def __hash__(self):
return hash(
(
self.ext,
self.const_term,
self.linear_term,
)
)
def __eq__(self, other: object):
if not isinstance(other, self.__class__):
return NotImplemented
return (
self.ext == other.ext
and self.const_term == other.const_term
and self.linear_term == other.linear_term
)
def __repr__(self):
out = [
f"ext={self.ext}",
f"const_term={self.const_term}",
f"linear_term={self.linear_term}",
]
return f"<ContractCostParamEntry [{', '.join(out)}]>"