# 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 .node_id import NodeID
from .uint32 import Uint32
__all__ = ["SCPQuorumSet"]
[docs]
class SCPQuorumSet:
"""
XDR Source Code::
struct SCPQuorumSet
{
uint32 threshold;
NodeID validators<>;
SCPQuorumSet innerSets<>;
};
"""
def __init__(
self,
threshold: Uint32,
validators: list[NodeID],
inner_sets: list[SCPQuorumSet],
) -> None:
_expect_max_length = 4294967295
if validators and len(validators) > _expect_max_length:
raise ValueError(
f"The maximum length of `validators` should be {_expect_max_length}, but got {len(validators)}."
)
_expect_max_length = 4294967295
if inner_sets and len(inner_sets) > _expect_max_length:
raise ValueError(
f"The maximum length of `inner_sets` should be {_expect_max_length}, but got {len(inner_sets)}."
)
self.threshold = threshold
self.validators = validators
self.inner_sets = inner_sets
def pack(self, packer: Packer) -> None:
self.threshold.pack(packer)
packer.pack_uint(len(self.validators))
for validators_item in self.validators:
validators_item.pack(packer)
packer.pack_uint(len(self.inner_sets))
for inner_sets_item in self.inner_sets:
inner_sets_item.pack(packer)
@classmethod
def unpack(
cls, unpacker: Unpacker, depth_limit: int = DEFAULT_XDR_MAX_DEPTH
) -> SCPQuorumSet:
if depth_limit <= 0:
raise ValueError("Maximum decoding depth reached")
threshold = Uint32.unpack(unpacker, depth_limit - 1)
length = unpacker.unpack_uint()
_remaining = len(unpacker.get_buffer()) - unpacker.get_position()
if _remaining < length:
raise ValueError(
f"validators length {length} exceeds remaining input length {_remaining}"
)
validators = []
for _ in range(length):
validators.append(NodeID.unpack(unpacker, depth_limit - 1))
length = unpacker.unpack_uint()
_remaining = len(unpacker.get_buffer()) - unpacker.get_position()
if _remaining < length:
raise ValueError(
f"inner_sets length {length} exceeds remaining input length {_remaining}"
)
inner_sets = []
for _ in range(length):
inner_sets.append(SCPQuorumSet.unpack(unpacker, depth_limit - 1))
return cls(
threshold=threshold,
validators=validators,
inner_sets=inner_sets,
)
def to_xdr_bytes(self) -> bytes:
packer = Packer()
self.pack(packer)
return packer.get_buffer()
@classmethod
def from_xdr_bytes(cls, xdr: bytes) -> SCPQuorumSet:
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) -> SCPQuorumSet:
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) -> SCPQuorumSet:
return cls.from_json_dict(json.loads(json_str))
def to_json_dict(self) -> dict:
return {
"threshold": self.threshold.to_json_dict(),
"validators": [item.to_json_dict() for item in self.validators],
"inner_sets": [item.to_json_dict() for item in self.inner_sets],
}
@classmethod
def from_json_dict(cls, json_dict: dict) -> SCPQuorumSet:
threshold = Uint32.from_json_dict(json_dict["threshold"])
validators = [NodeID.from_json_dict(item) for item in json_dict["validators"]]
inner_sets = [
SCPQuorumSet.from_json_dict(item) for item in json_dict["inner_sets"]
]
return cls(
threshold=threshold,
validators=validators,
inner_sets=inner_sets,
)
def __hash__(self):
return hash(
(
self.threshold,
self.validators,
self.inner_sets,
)
)
def __eq__(self, other: object):
if not isinstance(other, self.__class__):
return NotImplemented
return (
self.threshold == other.threshold
and self.validators == other.validators
and self.inner_sets == other.inner_sets
)
def __repr__(self):
out = [
f"threshold={self.threshold}",
f"validators={self.validators}",
f"inner_sets={self.inner_sets}",
]
return f"<SCPQuorumSet [{', '.join(out)}]>"