Source code for stellar_sdk.xdr.ledger_close_meta_v0
# This is an automatically generated file.
# DO NOT EDIT or your changes may be overwritten
from __future__ import annotations
import base64
import json
from typing import List
from xdrlib3 import Packer, Unpacker
from .base import DEFAULT_XDR_MAX_DEPTH
from .ledger_header_history_entry import LedgerHeaderHistoryEntry
from .scp_history_entry import SCPHistoryEntry
from .transaction_result_meta import TransactionResultMeta
from .transaction_set import TransactionSet
from .upgrade_entry_meta import UpgradeEntryMeta
__all__ = ["LedgerCloseMetaV0"]
[docs]
class LedgerCloseMetaV0:
"""
XDR Source Code::
struct LedgerCloseMetaV0
{
LedgerHeaderHistoryEntry ledgerHeader;
// NB: txSet is sorted in "Hash order"
TransactionSet txSet;
// NB: transactions are sorted in apply order here
// fees for all transactions are processed first
// followed by applying transactions
TransactionResultMeta txProcessing<>;
// upgrades are applied last
UpgradeEntryMeta upgradesProcessing<>;
// other misc information attached to the ledger close
SCPHistoryEntry scpInfo<>;
};
"""
def __init__(
self,
ledger_header: LedgerHeaderHistoryEntry,
tx_set: TransactionSet,
tx_processing: List[TransactionResultMeta],
upgrades_processing: List[UpgradeEntryMeta],
scp_info: List[SCPHistoryEntry],
) -> None:
_expect_max_length = 4294967295
if tx_processing and len(tx_processing) > _expect_max_length:
raise ValueError(
f"The maximum length of `tx_processing` should be {_expect_max_length}, but got {len(tx_processing)}."
)
_expect_max_length = 4294967295
if upgrades_processing and len(upgrades_processing) > _expect_max_length:
raise ValueError(
f"The maximum length of `upgrades_processing` should be {_expect_max_length}, but got {len(upgrades_processing)}."
)
_expect_max_length = 4294967295
if scp_info and len(scp_info) > _expect_max_length:
raise ValueError(
f"The maximum length of `scp_info` should be {_expect_max_length}, but got {len(scp_info)}."
)
self.ledger_header = ledger_header
self.tx_set = tx_set
self.tx_processing = tx_processing
self.upgrades_processing = upgrades_processing
self.scp_info = scp_info
def pack(self, packer: Packer) -> None:
self.ledger_header.pack(packer)
self.tx_set.pack(packer)
packer.pack_uint(len(self.tx_processing))
for tx_processing_item in self.tx_processing:
tx_processing_item.pack(packer)
packer.pack_uint(len(self.upgrades_processing))
for upgrades_processing_item in self.upgrades_processing:
upgrades_processing_item.pack(packer)
packer.pack_uint(len(self.scp_info))
for scp_info_item in self.scp_info:
scp_info_item.pack(packer)
@classmethod
def unpack(
cls, unpacker: Unpacker, depth_limit: int = DEFAULT_XDR_MAX_DEPTH
) -> LedgerCloseMetaV0:
if depth_limit <= 0:
raise ValueError("Maximum decoding depth reached")
ledger_header = LedgerHeaderHistoryEntry.unpack(unpacker, depth_limit - 1)
tx_set = TransactionSet.unpack(unpacker, depth_limit - 1)
length = unpacker.unpack_uint()
_remaining = len(unpacker.get_buffer()) - unpacker.get_position()
if _remaining < length:
raise ValueError(
f"tx_processing length {length} exceeds remaining input length {_remaining}"
)
tx_processing = []
for _ in range(length):
tx_processing.append(
TransactionResultMeta.unpack(unpacker, depth_limit - 1)
)
length = unpacker.unpack_uint()
_remaining = len(unpacker.get_buffer()) - unpacker.get_position()
if _remaining < length:
raise ValueError(
f"upgrades_processing length {length} exceeds remaining input length {_remaining}"
)
upgrades_processing = []
for _ in range(length):
upgrades_processing.append(
UpgradeEntryMeta.unpack(unpacker, depth_limit - 1)
)
length = unpacker.unpack_uint()
_remaining = len(unpacker.get_buffer()) - unpacker.get_position()
if _remaining < length:
raise ValueError(
f"scp_info length {length} exceeds remaining input length {_remaining}"
)
scp_info = []
for _ in range(length):
scp_info.append(SCPHistoryEntry.unpack(unpacker, depth_limit - 1))
return cls(
ledger_header=ledger_header,
tx_set=tx_set,
tx_processing=tx_processing,
upgrades_processing=upgrades_processing,
scp_info=scp_info,
)
def to_xdr_bytes(self) -> bytes:
packer = Packer()
self.pack(packer)
return packer.get_buffer()
@classmethod
def from_xdr_bytes(cls, xdr: bytes) -> LedgerCloseMetaV0:
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) -> LedgerCloseMetaV0:
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) -> LedgerCloseMetaV0:
return cls.from_json_dict(json.loads(json_str))
def to_json_dict(self) -> dict:
return {
"ledger_header": self.ledger_header.to_json_dict(),
"tx_set": self.tx_set.to_json_dict(),
"tx_processing": [item.to_json_dict() for item in self.tx_processing],
"upgrades_processing": [
item.to_json_dict() for item in self.upgrades_processing
],
"scp_info": [item.to_json_dict() for item in self.scp_info],
}
@classmethod
def from_json_dict(cls, json_dict: dict) -> LedgerCloseMetaV0:
ledger_header = LedgerHeaderHistoryEntry.from_json_dict(
json_dict["ledger_header"]
)
tx_set = TransactionSet.from_json_dict(json_dict["tx_set"])
tx_processing = [
TransactionResultMeta.from_json_dict(item)
for item in json_dict["tx_processing"]
]
upgrades_processing = [
UpgradeEntryMeta.from_json_dict(item)
for item in json_dict["upgrades_processing"]
]
scp_info = [
SCPHistoryEntry.from_json_dict(item) for item in json_dict["scp_info"]
]
return cls(
ledger_header=ledger_header,
tx_set=tx_set,
tx_processing=tx_processing,
upgrades_processing=upgrades_processing,
scp_info=scp_info,
)
def __hash__(self):
return hash(
(
self.ledger_header,
self.tx_set,
self.tx_processing,
self.upgrades_processing,
self.scp_info,
)
)
def __eq__(self, other: object):
if not isinstance(other, self.__class__):
return NotImplemented
return (
self.ledger_header == other.ledger_header
and self.tx_set == other.tx_set
and self.tx_processing == other.tx_processing
and self.upgrades_processing == other.upgrades_processing
and self.scp_info == other.scp_info
)
def __repr__(self):
out = [
f"ledger_header={self.ledger_header}",
f"tx_set={self.tx_set}",
f"tx_processing={self.tx_processing}",
f"upgrades_processing={self.upgrades_processing}",
f"scp_info={self.scp_info}",
]
return f"<LedgerCloseMetaV0 [{', '.join(out)}]>"