lbry-sdk/lbry/lbrynet/wallet/server/canonical.py

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class FindShortestID:
__slots__ = 'short_id', 'new_id'
def __init__(self):
self.short_id = ''
self.new_id = None
def step(self, other_id, new_id):
self.new_id = new_id
for i in range(len(self.new_id)):
if other_id[i] != self.new_id[i]:
if i > len(self.short_id)-1:
self.short_id = self.new_id[:i+1]
break
def finalize(self):
return '#'+self.short_id
def register_canonical_functions(connection):
connection.create_aggregate("shortest_id", 2, FindShortestID)