# 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 .hash import Hash
from .transaction_phase import TransactionPhase
__all__ = ["TransactionSetV1"]
[docs]
class TransactionSetV1:
"""
XDR Source Code::
struct TransactionSetV1
{
Hash previousLedgerHash;
TransactionPhase phases<>;
};
"""
def __init__(
self,
previous_ledger_hash: Hash,
phases: List[TransactionPhase],
) -> None:
_expect_max_length = 4294967295
if phases and len(phases) > _expect_max_length:
raise ValueError(
f"The maximum length of `phases` should be {_expect_max_length}, but got {len(phases)}."
)
self.previous_ledger_hash = previous_ledger_hash
self.phases = phases
def pack(self, packer: Packer) -> None:
self.previous_ledger_hash.pack(packer)
packer.pack_uint(len(self.phases))
for phases_item in self.phases:
phases_item.pack(packer)
@classmethod
def unpack(
cls, unpacker: Unpacker, depth_limit: int = DEFAULT_XDR_MAX_DEPTH
) -> TransactionSetV1:
if depth_limit <= 0:
raise ValueError("Maximum decoding depth reached")
previous_ledger_hash = Hash.unpack(unpacker, depth_limit - 1)
length = unpacker.unpack_uint()
_remaining = len(unpacker.get_buffer()) - unpacker.get_position()
if _remaining < length:
raise ValueError(
f"phases length {length} exceeds remaining input length {_remaining}"
)
phases = []
for _ in range(length):
phases.append(TransactionPhase.unpack(unpacker, depth_limit - 1))
return cls(
previous_ledger_hash=previous_ledger_hash,
phases=phases,
)
def to_xdr_bytes(self) -> bytes:
packer = Packer()
self.pack(packer)
return packer.get_buffer()
@classmethod
def from_xdr_bytes(cls, xdr: bytes) -> TransactionSetV1:
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) -> TransactionSetV1:
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) -> TransactionSetV1:
return cls.from_json_dict(json.loads(json_str))
def to_json_dict(self) -> dict:
return {
"previous_ledger_hash": self.previous_ledger_hash.to_json_dict(),
"phases": [item.to_json_dict() for item in self.phases],
}
@classmethod
def from_json_dict(cls, json_dict: dict) -> TransactionSetV1:
previous_ledger_hash = Hash.from_json_dict(json_dict["previous_ledger_hash"])
phases = [TransactionPhase.from_json_dict(item) for item in json_dict["phases"]]
return cls(
previous_ledger_hash=previous_ledger_hash,
phases=phases,
)
def __hash__(self):
return hash(
(
self.previous_ledger_hash,
self.phases,
)
)
def __eq__(self, other: object):
if not isinstance(other, self.__class__):
return NotImplemented
return (
self.previous_ledger_hash == other.previous_ledger_hash
and self.phases == other.phases
)
def __repr__(self):
out = [
f"previous_ledger_hash={self.previous_ledger_hash}",
f"phases={self.phases}",
]
return f"<TransactionSetV1 [{', '.join(out)}]>"