# 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 .account_id import AccountID
from .asset import Asset
from .base import DEFAULT_XDR_MAX_DEPTH
from .int64 import Int64
from .offer_entry_ext import OfferEntryExt
from .price import Price
from .uint32 import Uint32
__all__ = ["OfferEntry"]
[docs]
class OfferEntry:
"""
XDR Source Code::
struct OfferEntry
{
AccountID sellerID;
int64 offerID;
Asset selling; // A
Asset buying; // B
int64 amount; // amount of A
/* price for this offer:
price of A in terms of B
price=AmountB/AmountA=priceNumerator/priceDenominator
price is after fees
*/
Price price;
uint32 flags; // see OfferEntryFlags
// reserved for future use
union switch (int v)
{
case 0:
void;
}
ext;
};
"""
def __init__(
self,
seller_id: AccountID,
offer_id: Int64,
selling: Asset,
buying: Asset,
amount: Int64,
price: Price,
flags: Uint32,
ext: OfferEntryExt,
) -> None:
self.seller_id = seller_id
self.offer_id = offer_id
self.selling = selling
self.buying = buying
self.amount = amount
self.price = price
self.flags = flags
self.ext = ext
def pack(self, packer: Packer) -> None:
self.seller_id.pack(packer)
self.offer_id.pack(packer)
self.selling.pack(packer)
self.buying.pack(packer)
self.amount.pack(packer)
self.price.pack(packer)
self.flags.pack(packer)
self.ext.pack(packer)
@classmethod
def unpack(
cls, unpacker: Unpacker, depth_limit: int = DEFAULT_XDR_MAX_DEPTH
) -> OfferEntry:
if depth_limit <= 0:
raise ValueError("Maximum decoding depth reached")
seller_id = AccountID.unpack(unpacker, depth_limit - 1)
offer_id = Int64.unpack(unpacker, depth_limit - 1)
selling = Asset.unpack(unpacker, depth_limit - 1)
buying = Asset.unpack(unpacker, depth_limit - 1)
amount = Int64.unpack(unpacker, depth_limit - 1)
price = Price.unpack(unpacker, depth_limit - 1)
flags = Uint32.unpack(unpacker, depth_limit - 1)
ext = OfferEntryExt.unpack(unpacker, depth_limit - 1)
return cls(
seller_id=seller_id,
offer_id=offer_id,
selling=selling,
buying=buying,
amount=amount,
price=price,
flags=flags,
ext=ext,
)
def to_xdr_bytes(self) -> bytes:
packer = Packer()
self.pack(packer)
return packer.get_buffer()
@classmethod
def from_xdr_bytes(cls, xdr: bytes) -> OfferEntry:
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) -> OfferEntry:
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) -> OfferEntry:
return cls.from_json_dict(json.loads(json_str))
def to_json_dict(self) -> dict:
return {
"seller_id": self.seller_id.to_json_dict(),
"offer_id": self.offer_id.to_json_dict(),
"selling": self.selling.to_json_dict(),
"buying": self.buying.to_json_dict(),
"amount": self.amount.to_json_dict(),
"price": self.price.to_json_dict(),
"flags": self.flags.to_json_dict(),
"ext": self.ext.to_json_dict(),
}
@classmethod
def from_json_dict(cls, json_dict: dict) -> OfferEntry:
seller_id = AccountID.from_json_dict(json_dict["seller_id"])
offer_id = Int64.from_json_dict(json_dict["offer_id"])
selling = Asset.from_json_dict(json_dict["selling"])
buying = Asset.from_json_dict(json_dict["buying"])
amount = Int64.from_json_dict(json_dict["amount"])
price = Price.from_json_dict(json_dict["price"])
flags = Uint32.from_json_dict(json_dict["flags"])
ext = OfferEntryExt.from_json_dict(json_dict["ext"])
return cls(
seller_id=seller_id,
offer_id=offer_id,
selling=selling,
buying=buying,
amount=amount,
price=price,
flags=flags,
ext=ext,
)
def __hash__(self):
return hash(
(
self.seller_id,
self.offer_id,
self.selling,
self.buying,
self.amount,
self.price,
self.flags,
self.ext,
)
)
def __eq__(self, other: object):
if not isinstance(other, self.__class__):
return NotImplemented
return (
self.seller_id == other.seller_id
and self.offer_id == other.offer_id
and self.selling == other.selling
and self.buying == other.buying
and self.amount == other.amount
and self.price == other.price
and self.flags == other.flags
and self.ext == other.ext
)
def __repr__(self):
out = [
f"seller_id={self.seller_id}",
f"offer_id={self.offer_id}",
f"selling={self.selling}",
f"buying={self.buying}",
f"amount={self.amount}",
f"price={self.price}",
f"flags={self.flags}",
f"ext={self.ext}",
]
return f"<OfferEntry [{', '.join(out)}]>"