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zkvm: Implement cond_select opcode.

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parazyd
2023-05-27 15:35:24 +02:00
parent ba80aa439c
commit f4932072c6
7 changed files with 53 additions and 3 deletions
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5
proof/opcodes.zk
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@@ -20,6 +20,8 @@ witness "Opcodes" {
Uint32 leaf_pos,
MerklePath path,
Base cond,
}
circuit "Opcodes" {
@@ -64,4 +66,7 @@ circuit "Opcodes" {
ephem_public = ec_mul_var_base(ephem_secret, pubkey);
constrain_instance(ec_get_x(ephem_public));
constrain_instance(ec_get_y(ephem_public));
out = cond_select(cond, a, b);
constrain_instance(out);
}