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79 lines
2.2 KiB
Common Lisp
79 lines
2.2 KiB
Common Lisp
(println "jubjub-add.lisp")
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(load-file "util.lisp")
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(defmacro! zk-square (fn* [var] (
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(let* [v1 (gensym)
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v2 (gensym)] (
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`(alloc ~v1 ~var)
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`(alloc ~v2 (square ~var))
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`(enforce
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(scalar::one ~v1)
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(scalar::one ~v1)
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(scalar::one ~v2)
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)
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)
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))
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))
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;; -u^2 + v^2 = 1 + du^2v^2
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(defmacro! zk-witness (fn* [val1 val2] (
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(let* [v (gensym)
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u (gensym)
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u2v2 (gensym)] (
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`(alloc ~v1 ~var)
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`(alloc ~v2 (square ~var))
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`(enforce
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(scalar::one ~v1)
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(scalar::one ~v1)
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(scalar::one ~v2)
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)
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)
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))
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))
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(defmacro! jubjub-add (fn* [param1 param2 param3 param4]
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(let* [u1 (gensym) v1 (gensym) u2 (gensym) v2 (gensym)
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EDWARDS_D (gensym) U (gensym) A (gensym) B (gensym)
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C (gensym) u3 (gensym) v3 (gensym)] (
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`(def! ~u1 (alloc ~u1 param1))
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`(def! ~v1 (alloc ~v1 param2))
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`(def! ~u2 (alloc ~u2 param3))
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`(def! ~v2 (alloc ~v2 param4))
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`(def! ~EDWARDS_D (alloc-const ~EDWARDS_D (scalar "2a9318e74bfa2b48f5fd9207e6bd7fd4292d7f6d37579d2601065fd6d6343eb1")))
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`(def! ~U (alloc ~U (* (+ ~u1 ~v1) (+ ~u2 ~v2))))
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`(def! ~A (alloc ~A (* ~v2 ~u1)))
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`(def! ~B (alloc ~B (* ~u2 ~v1)))
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`(def! ~C (alloc ~C (* ~EDWARDS_D (* ~A ~B))))
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`(def! ~u3 (alloc-input ~u3 (/ (+ ~A ~B) (+ scalar::one ~C))))
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`(def! ~v3 (alloc-input ~v3 (/ (- (- ~U ~A) ~B) (- scalar::one ~C))))
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`(enforce
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((scalar::one ~u1) (scalar::one ~v1))
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((scalar::one ~u2) (scalar::one ~v2))
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(scalar::one ~U)
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)
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`(enforce
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(~EDWARDS_D ~A)
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(scalar::one ~B)
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(scalar::one ~C)
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)
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`(enforce
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((scalar::one cs::one)(scalar::one ~C))
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(scalar::one ~u3)
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((scalar::one ~A) (scalar::one ~B))
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)
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`(enforce
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((scalar::one cs::one) (scalar::one::neg ~C))
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(scalar::one ~v3)
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((scalar::one ~U) (scalar::one::neg ~A) (scalar::one::neg ~B))
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)
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)
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;; improve return values
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)
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))
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(prove
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(
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(def! result-witness (zk-witness param1 param2))
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(println 'result-witness (nth (nth result-witness 0) 1))
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)
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) |