forked from LBRYCommunity/lbry-sdk
+ Account.get_max_gap()
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1 changed files with 28 additions and 0 deletions
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@ -24,6 +24,9 @@ class KeyManager(object):
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self.account, self.chain_number, limit, max_used_times, order_by
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)
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def get_max_gap(self): # type: () -> defer.Deferred
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raise NotImplementedError
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def ensure_address_gap(self): # type: () -> defer.Deferred
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raise NotImplementedError
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@ -65,6 +68,19 @@ class KeyChain(KeyManager):
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)
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defer.returnValue([key[1].address for key in new_keys])
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@defer.inlineCallbacks
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def get_max_gap(self):
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addresses = yield self._query_addresses(order_by="position ASC")
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max_gap = 0
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current_gap = 0
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for address in addresses:
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if address['used_times'] == 0:
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current_gap += 1
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else:
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max_gap = max(max_gap, current_gap)
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current_gap = 0
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defer.returnValue(max_gap)
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@defer.inlineCallbacks
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def ensure_address_gap(self):
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addresses = yield self._query_addresses(self.gap, None, "position DESC")
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@ -100,6 +116,9 @@ class SingleKey(KeyManager):
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# type: ('BaseAccount', PubKey) -> None
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super(SingleKey, self).__init__(account, root_public_key, chain_number)
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def get_max_gap(self):
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return defer.succeed(0)
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@defer.inlineCallbacks
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def ensure_address_gap(self):
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exists = yield self.get_address_records()
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@ -265,5 +284,14 @@ class BaseAccount(object):
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constraints.update({'height__lte': height, 'height__gt': 0})
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return self.ledger.db.get_balance_for_account(self, **constraints)
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@defer.inlineCallbacks
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def get_max_gap(self):
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change_gap = yield self.change.get_max_gap()
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receiving_gap = yield self.receiving.get_max_gap()
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defer.returnValue({
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'max_change_gap': change_gap,
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'max_receiving_gap': receiving_gap,
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})
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def get_unspent_outputs(self, **constraints):
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return self.ledger.db.get_utxos_for_account(self, **constraints)
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