python-bitshares/bitshares/instance.py at master · allrob23/python-bitshares · GitHub

50 lines (32 loc) · 1.44 KB

# -*- coding: utf-8 -*-

from graphenecommon.instance import AbstractBlockchainInstanceProvider

class SharedInstance:

"""This class merely offers a singelton for the Blockchain Instance."""

instance = None

config = {}

class BlockchainInstance(AbstractBlockchainInstanceProvider):

"""This is a class that allows compatibility with previous naming conventions."""

_sharedInstance = SharedInstance

def __init__(self, *args, **kwargs):

# Also allow 'bitshares_instance'

if kwargs.get("bitshares_instance"):

kwargs["blockchain_instance"] = kwargs["bitshares_instance"]

AbstractBlockchainInstanceProvider.__init__(self, *args, **kwargs)

def get_instance_class(self):

"""Should return the Chain instance class, e.g. `bitshares.BitShares`"""

import bitshares as bts

return bts.BitShares

@property

def bitshares(self):

"""Alias for the specific blockchain."""

return self.blockchain

def shared_blockchain_instance():

return BlockchainInstance().shared_blockchain_instance()

def set_shared_blockchain_instance(instance):

instance.clear_cache()

# instance.set_shared_instance()

BlockchainInstance.set_shared_blockchain_instance(instance)

def set_shared_config(config):

BlockchainInstance.set_shared_config(config)

shared_bitshares_instance = shared_blockchain_instance

set_shared_bitshares_instance = set_shared_blockchain_instance

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