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21 lines
509 B
Python
21 lines
509 B
Python
#!/usr/bin/env python
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# -*- coding: utf8 -*-
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def btcSupplyAtBlock(b):
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if b >= 33 * 210000:
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return 20999999.9769
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reward = 50e8
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supply = 0
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y = 210000 # reward changes all y blocks
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while b > y - 1:
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supply = supply + y * reward
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reward = int(reward / 2.0)
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b = b - y
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supply = supply + b * reward
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return (supply + reward) / 1e8
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if __name__ == "__main__":
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block = 777777 # you want the supply after which block?
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print(btcSupplyAtBlock(block))
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