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24 lines
596 B
Plaintext
24 lines
596 B
Plaintext
constant "Simple" {
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EcFixedPointShort VALUE_COMMIT_VALUE,
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EcFixedPoint VALUE_COMMIT_RANDOM,
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}
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witness "Simple" {
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Base value,
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Scalar value_blind,
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}
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circuit "Simple" {
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# Pedersen commitment for coin's value
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vcv = ec_mul_short(value, VALUE_COMMIT_VALUE);
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vcr = ec_mul(value_blind, VALUE_COMMIT_RANDOM);
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value_commit = ec_add(vcv, vcr);
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# Since the value commit is a curve point, we fetch its coordinates
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# and constrain them:
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value_commit_x = ec_get_x(value_commit);
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value_commit_y = ec_get_y(value_commit);
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constrain_instance(value_commit_x);
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constrain_instance(value_commit_y);
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}
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