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* Retrieve and process summary or full ledgers. * Search using arbitrary criteria (any Python function). * Search using arbitrary formats (any Python function). * Caches ledgers as .gz files to avoid repeated server requests. * Handles ledger numbers, ranges, and special names like validated or closed.
44 lines
1.4 KiB
Python
44 lines
1.4 KiB
Python
from __future__ import absolute_import, division, print_function, unicode_literals
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import json
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import os
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from ripple.ledger import RippledReader, ServerReader
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from ripple.ledger.Args import ARGS
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from ripple.util.FileCache import file_cache
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from ripple.util import Range
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class Server(object):
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def __init__(self):
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if ARGS.rippled:
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reader = RippledReader.RippledReader()
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else:
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reader = ServerReader.ServerReader()
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self.reader = reader
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self.complete = reader.complete
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names = {
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'closed': reader.name_to_ledger_index('closed'),
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'current': reader.name_to_ledger_index('current'),
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'validated': reader.name_to_ledger_index('validated'),
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'first': self.complete[0],
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'last': self.complete[-1],
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}
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self.__dict__.update(names)
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self.ledgers = sorted(Range.join_ranges(*ARGS.ledgers, **names))
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def make_cache(is_full):
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name = 'full' if is_full else 'summary'
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filepath = os.path.join(ARGS.cache, name)
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creator = lambda n: reader.get_ledger(n, is_full)
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return file_cache(filepath, creator)
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self.caches = [make_cache(False), make_cache(True)]
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def info(self):
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return self.reader.info
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def get_ledger(self, number, is_full=False):
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return self.caches[is_full](number, int(number) in self.complete)
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