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Bitcoin video is published

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This commit is contained in:
Grant Sanderson 2017-07-07 13:33:07 -07:00
parent 5ef3f4a633
commit 17062943a9
1 changed files with 11 additions and 5 deletions
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16
crypto.py
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@ -45,7 +45,7 @@ def sha256_bit_string(message):
hexdigest = sha256(message).hexdigest()
return bin(int(hexdigest, 16))[2:]
def sha256_tex_mob(message, n_forced_start_zeros = 0):
def bit_string_to_mobject(bit_string):
line = TexMobject("0"*32)
pre_result = VGroup(*[
line.copy() for row in range(8)
@ -53,10 +53,8 @@ def sha256_tex_mob(message, n_forced_start_zeros = 0):
pre_result.arrange_submobjects(DOWN, buff = SMALL_BUFF)
result = VGroup(*it.chain(*pre_result))
result.scale(0.7)
bit_string = (256 - len(bit_string))*"0" + bit_string
true_bit_string = sha256_bit_string(message)
n = n_forced_start_zeros
bit_string = "0"*n + true_bit_string[n:]
for i, (bit, part) in enumerate(zip(bit_string, result)):
if bit == "1":
one = TexMobject("1")[0]
@ -65,6 +63,12 @@ def sha256_tex_mob(message, n_forced_start_zeros = 0):
return result
def sha256_tex_mob(message, n_forced_start_zeros = 0):
true_bit_string = sha256_bit_string(message)
n = n_forced_start_zeros
bit_string = "0"*n + true_bit_string[n:]
return bit_string_to_mobject(bit_string)
class EthereumLogo(SVGMobject):
CONFIG = {
"file_name" : "ethereum_logo",
@ -288,6 +292,7 @@ class DisectQuestion(TeacherStudentsScene):
arrow.next_to(you, UP)
words.next_to(arrow, UP)
self.revert_to_original_skipping_status()
self.play(FadeIn(rect), Animation(you))
self.play(
Write(words),
@ -5276,7 +5281,8 @@ class Thumbnail(DistributedBlockChainScene):
title = TextMobject("Crypto", "currencies", arg_separator = "")
title.scale(2.5)
title.to_edge(UP)
title[0].highlight(BLUE)
title[0].highlight(YELLOW)
title[0].set_stroke(RED, 2)
self.add(title)
# logos = VGroup(