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zkas: Add opcodes for equality constraints of Base and EcPoint.

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parazyd
2022-11-17 17:31:54 +01:00
parent 764fd812e5
commit 5176dc7df0
6 changed files with 63 additions and 2 deletions
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8
proof/opcodes.zk
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@@ -28,6 +28,11 @@ circuit "Opcodes" {
constrain_instance(ec_get_x(value_commit));
constrain_instance(ec_get_y(value_commit));
vcv2 = ec_mul_short(value, VALUE_COMMIT_VALUE);
vcr2 = ec_mul(value_blind, VALUE_COMMIT_RANDOM);
value_commit_2 = ec_add(vcv2, vcr2);
constrain_equal_point(value_commit, value_commit2);
one = witness_base(1);
c = poseidon_hash(one, blind);
constrain_instance(c);
@@ -35,6 +40,9 @@ circuit "Opcodes" {
d = poseidon_hash(one, blind, ec_get_x(value_commit), ec_get_y(value_commit));
constrain_instance(d);
d2 = poseidon_hash(one, blind, ec_get_x(value_commit2), ec_get_y(value_commit2));
constrain_equal_base(d, d2);
range_check(64, a);
range_check(253, b);
less_than(a, b);