# 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 .sc_val import SCVal
__all__ = ["ContractEventV0"]
[docs]
class ContractEventV0:
"""
XDR Source Code::
struct
{
SCVal topics<>;
SCVal data;
}
"""
def __init__(
self,
topics: list[SCVal],
data: SCVal,
) -> None:
_expect_max_length = 4294967295
if topics and len(topics) > _expect_max_length:
raise ValueError(
f"The maximum length of `topics` should be {_expect_max_length}, but got {len(topics)}."
)
self.topics = topics
self.data = data
def pack(self, packer: Packer) -> None:
packer.pack_uint(len(self.topics))
for topics_item in self.topics:
topics_item.pack(packer)
self.data.pack(packer)
@classmethod
def unpack(
cls, unpacker: Unpacker, depth_limit: int = DEFAULT_XDR_MAX_DEPTH
) -> ContractEventV0:
if depth_limit <= 0:
raise ValueError("Maximum decoding depth reached")
length = unpacker.unpack_uint()
_remaining = len(unpacker.get_buffer()) - unpacker.get_position()
if _remaining < length:
raise ValueError(
f"topics length {length} exceeds remaining input length {_remaining}"
)
topics = []
for _ in range(length):
topics.append(SCVal.unpack(unpacker, depth_limit - 1))
data = SCVal.unpack(unpacker, depth_limit - 1)
return cls(
topics=topics,
data=data,
)
def to_xdr_bytes(self) -> bytes:
packer = Packer()
self.pack(packer)
return packer.get_buffer()
@classmethod
def from_xdr_bytes(cls, xdr: bytes) -> ContractEventV0:
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) -> ContractEventV0:
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) -> ContractEventV0:
return cls.from_json_dict(json.loads(json_str))
def to_json_dict(self) -> dict:
return {
"topics": [item.to_json_dict() for item in self.topics],
"data": self.data.to_json_dict(),
}
@classmethod
def from_json_dict(cls, json_dict: dict) -> ContractEventV0:
topics = [SCVal.from_json_dict(item) for item in json_dict["topics"]]
data = SCVal.from_json_dict(json_dict["data"])
return cls(
topics=topics,
data=data,
)
def __hash__(self):
return hash(
(
self.topics,
self.data,
)
)
def __eq__(self, other: object):
if not isinstance(other, self.__class__):
return NotImplemented
return self.topics == other.topics and self.data == other.data
def __repr__(self):
out = [
f"topics={self.topics}",
f"data={self.data}",
]
return f"<ContractEventV0 [{', '.join(out)}]>"