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Under-Constrained VAAS Circuit Due to Improper <-- Operator Usage #12

@Koukyosyumei

Description

@Koukyosyumei

The VAAS circuit in Circom is currently under-constrained due to the use of the <-- operator, which does not enforce constraints on assigned values. Specifically, all instances of <-- should be replaced with <== to properly constrain the circuit and ensure correctness.

For example, the issue is present in the following line:

eq[i].in[0] <-- result[i];

Suggested Fix:

Replace all occurrences of <-- with <== throughout the circuit to enforce proper constraints and prevent unintended degrees of freedom.

This change is critical to ensure the circuit's integrity and correctness within the ZKP system.

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