66 lines
1.5 KiB
Python
66 lines
1.5 KiB
Python
import os, math, matplotlib.pyplot as plt
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path = '/home/benjamin/Desktop/bens_folder/school/m2/internship/work/romaric/me/'
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os.chdir(path)
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def getDifficultyOfHash(hexHash):
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return int(hexHash, 16)
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difficultyRatios = {}
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X, Y = [], []
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with open('hashes.txt') as f:
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lines = f.read().splitlines()
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for line in lines:
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lineParts = line.split()
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hash = lineParts[0]
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target = lineParts[1]
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hashDifficulty = getDifficultyOfHash(hash)
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targetDifficulty = getDifficultyOfHash(target)
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# If use `round` instead of `int`, then it gives the same result as before.
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difficultyRatio = round(math.log2(targetDifficulty / hashDifficulty))
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if difficultyRatio in difficultyRatios:
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difficultyRatios[difficultyRatio] += 1
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else:
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difficultyRatios[difficultyRatio] = 1
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for i in range(max(difficultyRatios) + 1):
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if i in difficultyRatios:
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X += [i]
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Y += [difficultyRatios[i] / len(lines)]
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## To improve the readability:
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plt.scatter(X, Y)
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plt.xticks(X, X)
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YP = [2 ** -i for i in range(len(X))][:7]
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plt.yticks(YP, YP)
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for x, y in zip(X, Y):
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if x <= 5:
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plt.text(x, y, f'({x}, {round(y, 4)})', ha='center', va='top')
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##
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plt.plot(X, Y)
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plt.show()
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## To understand the difference between `int` and `round:`
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import numpy as np
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x = np.linspace(0, 10, 1000)
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plt.plot(x, np.vectorize(int)(x), label = 'int')
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plt.plot(x, np.vectorize(round)(x), label = 'round')
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plt.legend(loc = 'upper left')
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plt.show()
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