# This is an automatically generated file.
# DO NOT EDIT or your changes may be overwritten
from __future__ import annotations
import base64
from typing import List
from xdrlib3 import Packer, Unpacker
from .asset import Asset
from .int64 import Int64
from .muxed_account import MuxedAccount
__all__ = ["PathPaymentStrictReceiveOp"]
[docs]
class PathPaymentStrictReceiveOp:
"""
XDR Source Code::
struct PathPaymentStrictReceiveOp
{
Asset sendAsset; // asset we pay with
int64 sendMax; // the maximum amount of sendAsset to
// send (excluding fees).
// The operation will fail if can't be met
MuxedAccount destination; // recipient of the payment
Asset destAsset; // what they end up with
int64 destAmount; // amount they end up with
Asset path<5>; // additional hops it must go through to get there
};
"""
def __init__(
self,
send_asset: Asset,
send_max: Int64,
destination: MuxedAccount,
dest_asset: Asset,
dest_amount: Int64,
path: List[Asset],
) -> None:
_expect_max_length = 5
if path and len(path) > _expect_max_length:
raise ValueError(
f"The maximum length of `path` should be {_expect_max_length}, but got {len(path)}."
)
self.send_asset = send_asset
self.send_max = send_max
self.destination = destination
self.dest_asset = dest_asset
self.dest_amount = dest_amount
self.path = path
def pack(self, packer: Packer) -> None:
self.send_asset.pack(packer)
self.send_max.pack(packer)
self.destination.pack(packer)
self.dest_asset.pack(packer)
self.dest_amount.pack(packer)
packer.pack_uint(len(self.path))
for path_item in self.path:
path_item.pack(packer)
@classmethod
def unpack(cls, unpacker: Unpacker) -> PathPaymentStrictReceiveOp:
send_asset = Asset.unpack(unpacker)
send_max = Int64.unpack(unpacker)
destination = MuxedAccount.unpack(unpacker)
dest_asset = Asset.unpack(unpacker)
dest_amount = Int64.unpack(unpacker)
length = unpacker.unpack_uint()
path = []
for _ in range(length):
path.append(Asset.unpack(unpacker))
return cls(
send_asset=send_asset,
send_max=send_max,
destination=destination,
dest_asset=dest_asset,
dest_amount=dest_amount,
path=path,
)
def to_xdr_bytes(self) -> bytes:
packer = Packer()
self.pack(packer)
return packer.get_buffer()
@classmethod
def from_xdr_bytes(cls, xdr: bytes) -> PathPaymentStrictReceiveOp:
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) -> PathPaymentStrictReceiveOp:
xdr_bytes = base64.b64decode(xdr.encode())
return cls.from_xdr_bytes(xdr_bytes)
def __hash__(self):
return hash(
(
self.send_asset,
self.send_max,
self.destination,
self.dest_asset,
self.dest_amount,
self.path,
)
)
def __eq__(self, other: object):
if not isinstance(other, self.__class__):
return NotImplemented
return (
self.send_asset == other.send_asset
and self.send_max == other.send_max
and self.destination == other.destination
and self.dest_asset == other.dest_asset
and self.dest_amount == other.dest_amount
and self.path == other.path
)
def __str__(self):
out = [
f"send_asset={self.send_asset}",
f"send_max={self.send_max}",
f"destination={self.destination}",
f"dest_asset={self.dest_asset}",
f"dest_amount={self.dest_amount}",
f"path={self.path}",
]
return f"<PathPaymentStrictReceiveOp [{', '.join(out)}]>"