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47 lines
1.1 KiB
Plaintext
47 lines
1.1 KiB
Plaintext
# :set syntax=zk
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# :source scripts/zk.vim
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constant EcFixedPoint VALUE_COMMIT_VALUE
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constant EcFixedPoint VALUE_COMMIT_RANDOM
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contract Mint {
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Base pub_x
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Base pub_y
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Base value
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Base asset
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Base serial
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Base coin_blind
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Scalar value_blind
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Scalar asset_blind
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}
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circuit Mint {
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# coin = Hash(pub_x, pub_y, value, asset, serial, coin_blind);
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poseidon_hash C1 pub_x pub_y
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poseidon_hash C2 value asset
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poseidon_hash C3 serial coin_blind
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add C12 C1 C2
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add C C12 C3
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constrain_instance C
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# value_commit = PedersenCommit(value, value_blind);
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ec_mul_short vcv value VALUE_COMMIT_VALUE
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ec_mul vcr value_blind VALUE_COMMIT_RANDOM
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ec_add value_commit vcv vcr
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ec_get_x x value_commit
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ec_get_y y value_commit
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constrain_instance x
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constrain_instance y
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# asset_commit = PedersenCommit(asset, asset_blind);
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ec_mul_short acv asset VALUE_COMMIT_VALUE
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ec_mul acr asset_blind VALUE_COMMIT_RANDOM
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ec_add asset_commit acv acr
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ec_get_x x asset_commit
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ec_get_y y asset_commit
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constrain_instance x
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constrain_instance y
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# return (coin, value_commit, asset_commit);
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}
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