Source code for graphenecommon.vesting
# -*- coding: utf-8 -*-
from .exceptions import VestingBalanceDoesNotExistsException
from .blockchainobject import BlockchainObject
from .instance import AbstractBlockchainInstanceProvider
class Vesting(BlockchainObject, AbstractBlockchainInstanceProvider):
""" Read data about a Vesting Balance in the chain
:param str id: Id of the vesting balance
:param instance blockchain_instance: instance to use when accesing a RPC
"""
def __init__(self, *args, **kwargs):
self.define_classes()
assert self.account_class
assert self.type_id
assert self.amount_class
BlockchainObject.__init__(self, *args, **kwargs)
[docs] def refresh(self):
obj = self.blockchain.rpc.get_objects([self.identifier])[0]
if not obj:
raise VestingBalanceDoesNotExistsException
super(Vesting, self).__init__(obj, blockchain_instance=self.blockchain)
@property
def account(self):
return self.account_class(self["owner"], blockchain_instance=self.blockchain)
@property
def claimable(self):
if self["policy"][0] == 1:
p = self["policy"][1]
ratio = (
(
(float(p["coin_seconds_earned"]) / float(self["balance"]["amount"]))
/ float(p["vesting_seconds"])
)
if float(p["vesting_seconds"]) > 0.0
and float(self["balance"]["amount"])
else 1
)
return (
self.amount_class(self["balance"], blockchain_instance=self.blockchain)
* ratio
)
elif self["policy"][0] == 2:
return self.amount_class(
self["balance"], blockchain_instance=self.blockchain
)
else:
return self.amount_class(self["balance"])
[docs] def claim(self, amount=None):
assert callable(self.blockchain.vesting_balance_withdraw)
return self.blockchain.vesting_balance_withdraw(
self["id"], amount=amount, account=self["owner"]
)