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@ -44,12 +44,12 @@ class RPCNodeCheckTask(FeatherTask):
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data.append(blob)
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data.append(blob)
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except Exception as ex:
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except Exception as ex:
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app.logger.warning(f"node {node} not reachable; {ex}")
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app.logger.warning(f"node {node} not reachable; {ex}")
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data.append(self._bad_node(**{
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data.append(self._bad_node({
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"address": node,
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"address": node,
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"nettype": network_type_coin,
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"nettype": network_type_coin,
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"type": network_type,
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"type": network_type,
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"height": 0
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"height": 0
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}))
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}, reason="unreachable"))
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# not neccesary for stagenet/testnet nodes to be validated
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# not neccesary for stagenet/testnet nodes to be validated
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if network_type_coin != "mainnet":
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if network_type_coin != "mainnet":
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@ -61,18 +61,18 @@ class RPCNodeCheckTask(FeatherTask):
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# Filter out nodes affected by < v0.17.1.3 sybil attack
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# Filter out nodes affected by < v0.17.1.3 sybil attack
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data = list(map(lambda _node: _node if _node['target_height'] <= _node['height']
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data = list(map(lambda _node: _node if _node['target_height'] <= _node['height']
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else self._bad_node(**_node), data))
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else self._bad_node(_node, reason="+2_attack"), data))
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allowed_offset = 3
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allowed_offset = 3
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valid_heights = []
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valid_heights = []
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# current_blockheight = heights.get(network_type_coin, 0)
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# current_blockheight = heights.get(network_type_coin, 0)
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# popularity contest
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# popularity contest
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common_height = popularity_contest([z['height'] for z in data])
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common_height = popularity_contest([z['height'] for z in data if z['height'] != 0])
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valid_heights = range(common_height + allowed_offset, common_height - allowed_offset, -1)
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valid_heights = range(common_height + allowed_offset, common_height - allowed_offset, -1)
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data = list(map(lambda _node: _node if _node['height'] in valid_heights
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data = list(map(lambda _node: _node if _node['height'] in valid_heights
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else self._bad_node(**_node), data))
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else self._bad_node(_node, reason="out_of_sync"), data))
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nodes += data
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nodes += data
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return nodes
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return nodes
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@ -104,12 +104,13 @@ class RPCNodeCheckTask(FeatherTask):
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"type": network_type
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"type": network_type
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}
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}
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def _bad_node(self, **kwargs):
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def _bad_node(self, node: dict, reason=""):
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return {
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return {
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"address": kwargs['address'],
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"address": node['address'],
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"height": kwargs['height'],
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"height": node['height'],
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"target_height": 0,
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"target_height": 0,
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"online": False,
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"online": False,
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"nettype": kwargs['nettype'],
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"nettype": node['nettype'],
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"type": kwargs['type']
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"type": node['type'],
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"reason": reason
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}
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}
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