# This is an automatically generated file.
# DO NOT EDIT or your changes may be overwritten
from __future__ import annotations
import base64
from xdrlib3 import Packer, Unpacker
from .ledger_entry import LedgerEntry
from .ledger_entry_change_type import LedgerEntryChangeType
from .ledger_key import LedgerKey
__all__ = ["LedgerEntryChange"]
[docs]
class LedgerEntryChange:
"""
XDR Source Code::
union LedgerEntryChange switch (LedgerEntryChangeType type)
{
case LEDGER_ENTRY_CREATED:
LedgerEntry created;
case LEDGER_ENTRY_UPDATED:
LedgerEntry updated;
case LEDGER_ENTRY_REMOVED:
LedgerKey removed;
case LEDGER_ENTRY_STATE:
LedgerEntry state;
};
"""
def __init__(
self,
type: LedgerEntryChangeType,
created: LedgerEntry = None,
updated: LedgerEntry = None,
removed: LedgerKey = None,
state: LedgerEntry = None,
) -> None:
self.type = type
self.created = created
self.updated = updated
self.removed = removed
self.state = state
def pack(self, packer: Packer) -> None:
self.type.pack(packer)
if self.type == LedgerEntryChangeType.LEDGER_ENTRY_CREATED:
if self.created is None:
raise ValueError("created should not be None.")
self.created.pack(packer)
return
if self.type == LedgerEntryChangeType.LEDGER_ENTRY_UPDATED:
if self.updated is None:
raise ValueError("updated should not be None.")
self.updated.pack(packer)
return
if self.type == LedgerEntryChangeType.LEDGER_ENTRY_REMOVED:
if self.removed is None:
raise ValueError("removed should not be None.")
self.removed.pack(packer)
return
if self.type == LedgerEntryChangeType.LEDGER_ENTRY_STATE:
if self.state is None:
raise ValueError("state should not be None.")
self.state.pack(packer)
return
@classmethod
def unpack(cls, unpacker: Unpacker) -> LedgerEntryChange:
type = LedgerEntryChangeType.unpack(unpacker)
if type == LedgerEntryChangeType.LEDGER_ENTRY_CREATED:
created = LedgerEntry.unpack(unpacker)
return cls(type=type, created=created)
if type == LedgerEntryChangeType.LEDGER_ENTRY_UPDATED:
updated = LedgerEntry.unpack(unpacker)
return cls(type=type, updated=updated)
if type == LedgerEntryChangeType.LEDGER_ENTRY_REMOVED:
removed = LedgerKey.unpack(unpacker)
return cls(type=type, removed=removed)
if type == LedgerEntryChangeType.LEDGER_ENTRY_STATE:
state = LedgerEntry.unpack(unpacker)
return cls(type=type, state=state)
return cls(type=type)
def to_xdr_bytes(self) -> bytes:
packer = Packer()
self.pack(packer)
return packer.get_buffer()
@classmethod
def from_xdr_bytes(cls, xdr: bytes) -> LedgerEntryChange:
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) -> LedgerEntryChange:
xdr_bytes = base64.b64decode(xdr.encode())
return cls.from_xdr_bytes(xdr_bytes)
def __hash__(self):
return hash(
(
self.type,
self.created,
self.updated,
self.removed,
self.state,
)
)
def __eq__(self, other: object):
if not isinstance(other, self.__class__):
return NotImplemented
return (
self.type == other.type
and self.created == other.created
and self.updated == other.updated
and self.removed == other.removed
and self.state == other.state
)
def __str__(self):
out = []
out.append(f"type={self.type}")
out.append(f"created={self.created}") if self.created is not None else None
out.append(f"updated={self.updated}") if self.updated is not None else None
out.append(f"removed={self.removed}") if self.removed is not None else None
out.append(f"state={self.state}") if self.state is not None else None
return f"<LedgerEntryChange [{', '.join(out)}]>"