Source code for stellar_sdk.xdr.sc_contract_instance

# 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 .base import DEFAULT_XDR_MAX_DEPTH
from .contract_executable import ContractExecutable
from .sc_map import SCMap

__all__ = ["SCContractInstance"]


[docs] class SCContractInstance: """ XDR Source Code:: struct SCContractInstance { ContractExecutable executable; SCMap* storage; }; """ def __init__( self, executable: ContractExecutable, storage: Optional[SCMap], ) -> None: self.executable = executable self.storage = storage def pack(self, packer: Packer) -> None: self.executable.pack(packer) if self.storage is None: packer.pack_uint(0) else: packer.pack_uint(1) self.storage.pack(packer) @classmethod def unpack( cls, unpacker: Unpacker, depth_limit: int = DEFAULT_XDR_MAX_DEPTH ) -> SCContractInstance: if depth_limit <= 0: raise ValueError("Maximum decoding depth reached") executable = ContractExecutable.unpack(unpacker, depth_limit - 1) storage = ( SCMap.unpack(unpacker, depth_limit - 1) if unpacker.unpack_uint() else None ) return cls( executable=executable, storage=storage, ) def to_xdr_bytes(self) -> bytes: packer = Packer() self.pack(packer) return packer.get_buffer() @classmethod def from_xdr_bytes(cls, xdr: bytes) -> SCContractInstance: 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) -> SCContractInstance: 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) -> SCContractInstance: return cls.from_json_dict(json.loads(json_str)) def to_json_dict(self) -> dict: return { "executable": self.executable.to_json_dict(), "storage": ( self.storage.to_json_dict() if self.storage is not None else None ), } @classmethod def from_json_dict(cls, json_dict: dict) -> SCContractInstance: executable = ContractExecutable.from_json_dict(json_dict["executable"]) storage = ( SCMap.from_json_dict(json_dict["storage"]) if json_dict["storage"] is not None else None ) return cls( executable=executable, storage=storage, ) def __hash__(self): return hash( ( self.executable, self.storage, ) ) def __eq__(self, other: object): if not isinstance(other, self.__class__): return NotImplemented return self.executable == other.executable and self.storage == other.storage def __repr__(self): out = [ f"executable={self.executable}", f"storage={self.storage}", ] return f"<SCContractInstance [{', '.join(out)}]>"