# 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 .signer_key import SignerKey
from .uint32 import Uint32
__all__ = ["Signer"]
[docs]
class Signer:
"""
XDR Source Code::
struct Signer
{
SignerKey key;
uint32 weight; // really only need 1 byte
};
"""
def __init__(
self,
key: SignerKey,
weight: Uint32,
) -> None:
self.key = key
self.weight = weight
def pack(self, packer: Packer) -> None:
self.key.pack(packer)
self.weight.pack(packer)
@classmethod
def unpack(
cls, unpacker: Unpacker, depth_limit: int = DEFAULT_XDR_MAX_DEPTH
) -> Signer:
if depth_limit <= 0:
raise ValueError("Maximum decoding depth reached")
key = SignerKey.unpack(unpacker, depth_limit - 1)
weight = Uint32.unpack(unpacker, depth_limit - 1)
return cls(
key=key,
weight=weight,
)
def to_xdr_bytes(self) -> bytes:
packer = Packer()
self.pack(packer)
return packer.get_buffer()
@classmethod
def from_xdr_bytes(cls, xdr: bytes) -> Signer:
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) -> Signer:
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) -> Signer:
return cls.from_json_dict(json.loads(json_str))
def to_json_dict(self) -> dict:
return {
"key": self.key.to_json_dict(),
"weight": self.weight.to_json_dict(),
}
@classmethod
def from_json_dict(cls, json_dict: dict) -> Signer:
key = SignerKey.from_json_dict(json_dict["key"])
weight = Uint32.from_json_dict(json_dict["weight"])
return cls(
key=key,
weight=weight,
)
def __hash__(self):
return hash(
(
self.key,
self.weight,
)
)
def __eq__(self, other: object):
if not isinstance(other, self.__class__):
return NotImplemented
return self.key == other.key and self.weight == other.weight
def __repr__(self):
out = [
f"key={self.key}",
f"weight={self.weight}",
]
return f"<Signer [{', '.join(out)}]>"