Source code for stellar_sdk.xdr.contract_event_v0

# This is an automatically generated file.
# DO NOT EDIT or your changes may be overwritten
from __future__ import annotations

import base64
from typing import List

from xdrlib3 import Packer, Unpacker

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) -> ContractEventV0: length = unpacker.unpack_uint() topics = [] for _ in range(length): topics.append(SCVal.unpack(unpacker)) data = SCVal.unpack(unpacker) 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) return cls.unpack(unpacker) 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 __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 __str__(self): out = [ f"topics={self.topics}", f"data={self.data}", ] return f"<ContractEventV0 [{', '.join(out)}]>"