# 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 .change_trust_asset import ChangeTrustAsset
from .int64 import Int64
__all__ = ["ChangeTrustOp"]
[docs]
class ChangeTrustOp:
"""
XDR Source Code::
struct ChangeTrustOp
{
ChangeTrustAsset line;
// if limit is set to 0, deletes the trust line
int64 limit;
};
"""
def __init__(
self,
line: ChangeTrustAsset,
limit: Int64,
) -> None:
self.line = line
self.limit = limit
def pack(self, packer: Packer) -> None:
self.line.pack(packer)
self.limit.pack(packer)
@classmethod
def unpack(
cls, unpacker: Unpacker, depth_limit: int = DEFAULT_XDR_MAX_DEPTH
) -> ChangeTrustOp:
if depth_limit <= 0:
raise ValueError("Maximum decoding depth reached")
line = ChangeTrustAsset.unpack(unpacker, depth_limit - 1)
limit = Int64.unpack(unpacker, depth_limit - 1)
return cls(
line=line,
limit=limit,
)
def to_xdr_bytes(self) -> bytes:
packer = Packer()
self.pack(packer)
return packer.get_buffer()
@classmethod
def from_xdr_bytes(cls, xdr: bytes) -> ChangeTrustOp:
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) -> ChangeTrustOp:
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) -> ChangeTrustOp:
return cls.from_json_dict(json.loads(json_str))
def to_json_dict(self) -> dict:
return {
"line": self.line.to_json_dict(),
"limit": self.limit.to_json_dict(),
}
@classmethod
def from_json_dict(cls, json_dict: dict) -> ChangeTrustOp:
line = ChangeTrustAsset.from_json_dict(json_dict["line"])
limit = Int64.from_json_dict(json_dict["limit"])
return cls(
line=line,
limit=limit,
)
def __hash__(self):
return hash(
(
self.line,
self.limit,
)
)
def __eq__(self, other: object):
if not isinstance(other, self.__class__):
return NotImplemented
return self.line == other.line and self.limit == other.limit
def __repr__(self):
out = [
f"line={self.line}",
f"limit={self.limit}",
]
return f"<ChangeTrustOp [{', '.join(out)}]>"