46 lines
1.2 KiB
Python
46 lines
1.2 KiB
Python
# standard imports
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import datetime
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class ChainStat:
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"""Block time aggregator.
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"""
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def __init__(self):
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self.block_timestamp_last = None
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self.block_avg_aggregate = None
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self.block_avg_count = -1
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def block_apply(self, block):
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"""Add data from block to aggregate.
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:param block: Block to add
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:type block: chainlib.block.Block
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"""
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if self.block_timestamp_last == None:
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self.block_timestamp_last = block.timestamp
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aggregate = block.timestamp - self.block_timestamp_last
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if self.block_avg_aggregate == None:
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self.block_avg_aggregate = float(aggregate)
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else:
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self.block_avg_aggregate *= self.block_avg_count
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self.block_avg_aggregate += block.timestamp - self.block_timestamp_last
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self.block_avg_aggregate /= (self.block_avg_count + 1)
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self.block_avg_count += 1
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self.block_timestamp_last = block.timestamp
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def block_average(self):
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"""Get current aggregated average.
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:rtype: float
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:returns: Aggregate average block time, in seconds
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"""
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return self.block_avg_aggregate
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