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35 lines
1000 B
Plaintext
35 lines
1000 B
Plaintext
param secret
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param serial
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param coin_merkle_branch[4]
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param coin_merkle_is_right[4]
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constant generator_coin
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constant generator_value_commit_value
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constant generator_value_commit_random
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public nullifier = mimc_hash(secret, serial)
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private (public_u, public_v) = jj_mul(secret, generator_coin)
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public coin = mimc_hash(public_u, public_v, value, serial, randomness_coin)
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let current = coin
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for i in range(4):
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branch = coin_merkle_branch[i]
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is_right = coin_merkle_is_right[i]
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# reverse(a, b, condition) = if condition (b, a) else (a, b)
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private left, right = conditionally_reverse(current, branch, is_right)
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# Only the last one is public
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if i == 3:
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current = public mimc_hash(left, right)
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else:
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current = private mimc_hash(left, right)
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private value_digits = unpack(value)
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rangeproof_assert(value, value_digits)
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public value_commit = jj_add(
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jj_mul(value, generator_value_commit_value),
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jj_mul(randomness_value, generator_value_commit_random)
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)
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