# 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 Optional
from xdrlib3 import Packer, Unpacker
from .asset_code4 import AssetCode4
from .asset_code12 import AssetCode12
from .asset_type import AssetType
from .base import DEFAULT_XDR_MAX_DEPTH
__all__ = ["AssetCode"]
[docs]
class AssetCode:
"""
XDR Source Code::
union AssetCode switch (AssetType type)
{
case ASSET_TYPE_CREDIT_ALPHANUM4:
AssetCode4 assetCode4;
case ASSET_TYPE_CREDIT_ALPHANUM12:
AssetCode12 assetCode12;
// add other asset types here in the future
};
"""
def __init__(
self,
type: AssetType,
asset_code4: Optional[AssetCode4] = None,
asset_code12: Optional[AssetCode12] = None,
) -> None:
self.type = type
self.asset_code4 = asset_code4
self.asset_code12 = asset_code12
def pack(self, packer: Packer) -> None:
self.type.pack(packer)
if self.type == AssetType.ASSET_TYPE_CREDIT_ALPHANUM4:
if self.asset_code4 is None:
raise ValueError("asset_code4 should not be None.")
self.asset_code4.pack(packer)
return
if self.type == AssetType.ASSET_TYPE_CREDIT_ALPHANUM12:
if self.asset_code12 is None:
raise ValueError("asset_code12 should not be None.")
self.asset_code12.pack(packer)
return
raise ValueError("Invalid type.")
@classmethod
def unpack(
cls, unpacker: Unpacker, depth_limit: int = DEFAULT_XDR_MAX_DEPTH
) -> AssetCode:
if depth_limit <= 0:
raise ValueError("Maximum decoding depth reached")
type = AssetType.unpack(unpacker)
if type == AssetType.ASSET_TYPE_CREDIT_ALPHANUM4:
asset_code4 = AssetCode4.unpack(unpacker, depth_limit - 1)
return cls(type=type, asset_code4=asset_code4)
if type == AssetType.ASSET_TYPE_CREDIT_ALPHANUM12:
asset_code12 = AssetCode12.unpack(unpacker, depth_limit - 1)
return cls(type=type, asset_code12=asset_code12)
raise ValueError("Invalid type.")
def to_xdr_bytes(self) -> bytes:
packer = Packer()
self.pack(packer)
return packer.get_buffer()
@classmethod
def from_xdr_bytes(cls, xdr: bytes) -> AssetCode:
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) -> AssetCode:
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) -> AssetCode:
return cls.from_json_dict(json.loads(json_str))
def to_json_dict(self):
if self.type == AssetType.ASSET_TYPE_CREDIT_ALPHANUM4:
assert self.asset_code4 is not None
return {"credit_alphanum4": self.asset_code4.to_json_dict()}
if self.type == AssetType.ASSET_TYPE_CREDIT_ALPHANUM12:
assert self.asset_code12 is not None
return {"credit_alphanum12": self.asset_code12.to_json_dict()}
raise ValueError(f"Unknown type in AssetCode: {self.type}")
@classmethod
def from_json_dict(cls, json_value: dict) -> AssetCode:
if len(json_value) != 1:
raise ValueError(
f"Expected a single-key object for AssetCode, got: {json_value}"
)
key = next(iter(json_value))
type = AssetType.from_json_dict(key)
if key == "credit_alphanum4":
asset_code4 = AssetCode4.from_json_dict(json_value["credit_alphanum4"])
return cls(type=type, asset_code4=asset_code4)
if key == "credit_alphanum12":
asset_code12 = AssetCode12.from_json_dict(json_value["credit_alphanum12"])
return cls(type=type, asset_code12=asset_code12)
raise ValueError(f"Unknown key '{key}' for AssetCode")
def __hash__(self):
return hash(
(
self.type,
self.asset_code4,
self.asset_code12,
)
)
def __eq__(self, other: object):
if not isinstance(other, self.__class__):
return NotImplemented
return (
self.type == other.type
and self.asset_code4 == other.asset_code4
and self.asset_code12 == other.asset_code12
)
def __repr__(self):
out = []
out.append(f"type={self.type}")
if self.asset_code4 is not None:
out.append(f"asset_code4={self.asset_code4}")
if self.asset_code12 is not None:
out.append(f"asset_code12={self.asset_code12}")
return f"<AssetCode [{', '.join(out)}]>"