# This is an automatically generated file.
# DO NOT EDIT or your changes may be overwritten
from __future__ import annotations
import base64
from xdrlib3 import Packer, Unpacker
from .alpha_num4 import AlphaNum4
from .alpha_num12 import AlphaNum12
from .asset_type import AssetType
__all__ = ["Asset"]
[docs]
class Asset:
"""
XDR Source Code::
union Asset switch (AssetType type)
{
case ASSET_TYPE_NATIVE: // Not credit
void;
case ASSET_TYPE_CREDIT_ALPHANUM4:
AlphaNum4 alphaNum4;
case ASSET_TYPE_CREDIT_ALPHANUM12:
AlphaNum12 alphaNum12;
// add other asset types here in the future
};
"""
def __init__(
self,
type: AssetType,
alpha_num4: AlphaNum4 = None,
alpha_num12: AlphaNum12 = None,
) -> None:
self.type = type
self.alpha_num4 = alpha_num4
self.alpha_num12 = alpha_num12
def pack(self, packer: Packer) -> None:
self.type.pack(packer)
if self.type == AssetType.ASSET_TYPE_NATIVE:
return
if self.type == AssetType.ASSET_TYPE_CREDIT_ALPHANUM4:
if self.alpha_num4 is None:
raise ValueError("alpha_num4 should not be None.")
self.alpha_num4.pack(packer)
return
if self.type == AssetType.ASSET_TYPE_CREDIT_ALPHANUM12:
if self.alpha_num12 is None:
raise ValueError("alpha_num12 should not be None.")
self.alpha_num12.pack(packer)
return
@classmethod
def unpack(cls, unpacker: Unpacker) -> Asset:
type = AssetType.unpack(unpacker)
if type == AssetType.ASSET_TYPE_NATIVE:
return cls(type=type)
if type == AssetType.ASSET_TYPE_CREDIT_ALPHANUM4:
alpha_num4 = AlphaNum4.unpack(unpacker)
return cls(type=type, alpha_num4=alpha_num4)
if type == AssetType.ASSET_TYPE_CREDIT_ALPHANUM12:
alpha_num12 = AlphaNum12.unpack(unpacker)
return cls(type=type, alpha_num12=alpha_num12)
return cls(type=type)
def to_xdr_bytes(self) -> bytes:
packer = Packer()
self.pack(packer)
return packer.get_buffer()
@classmethod
def from_xdr_bytes(cls, xdr: bytes) -> Asset:
unpacker = Unpacker(xdr)
return cls.unpack(unpacker)
def to_xdr(self) -> str:
xdr_bytes = self.to_xdr_bytes()
return base64.b64encode(xdr_bytes).decode()
@classmethod
def from_xdr(cls, xdr: str) -> Asset:
xdr_bytes = base64.b64decode(xdr.encode())
return cls.from_xdr_bytes(xdr_bytes)
def __hash__(self):
return hash(
(
self.type,
self.alpha_num4,
self.alpha_num12,
)
)
def __eq__(self, other: object):
if not isinstance(other, self.__class__):
return NotImplemented
return (
self.type == other.type
and self.alpha_num4 == other.alpha_num4
and self.alpha_num12 == other.alpha_num12
)
def __str__(self):
out = []
out.append(f"type={self.type}")
out.append(
f"alpha_num4={self.alpha_num4}"
) if self.alpha_num4 is not None else None
out.append(
f"alpha_num12={self.alpha_num12}"
) if self.alpha_num12 is not None else None
return f"<Asset [{', '.join(out)}]>"