stellar_sdk.call_builder.paths_call_builder 源代码

import warnings
from typing import Union

from ..asset import Asset
from ..call_builder.base_call_builder import BaseCallBuilder
from ..client.base_async_client import BaseAsyncClient
from ..client.base_sync_client import BaseSyncClient

[文档]class PathsCallBuilder(BaseCallBuilder): """ Creates a new :class:`PathsCallBuilder` pointed to server defined by horizon_url. Do not create this object directly, use :func:`stellar_sdk.server.Server.paths`. The Stellar Network allows payments to be made across assets through path payments. A path payment specifies a series of assets to route a payment through, from source asset (the asset debited from the payer) to destination asset (the asset credited to the payee). See `Find Payment Paths <>`_ :param horizon_url: Horizon server URL. :param client: The client instance used to send request. :param source_account: The sender's account ID. Any returned path must use a source that the sender can hold. :param destination_account: The destination account ID that any returned path should use. :param destination_asset: The destination asset. :param destination_amount: The amount, denominated in the destination asset, that any returned path should be able to satisfy. """ def __init__( self, horizon_url: str, client: Union[BaseAsyncClient, BaseSyncClient], source_account: str, destination_account: str, destination_asset: Asset, destination_amount: str, ) -> None: warnings.warn( "Will be removed in version v3.0.0, " "use stellar_sdk.call_builder.StrictReceivePathsCallBuilder", DeprecationWarning, ) super().__init__(horizon_url, client) self.endpoint: str = "paths" params = { "destination_account": destination_account, "source_account": source_account, "destination_amount": destination_amount, "destination_asset_type": destination_asset.type, "destination_asset_code": None if destination_asset.is_native() else destination_asset.code, "destination_asset_issuer": destination_asset.issuer, } self._add_query_params(params)