law capacity_gate
import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/keccak/api.bend as Apiimport Base
import bend-collections-laws-crypto@1.0.0.0/src/crypto/keccak/keccak.bend as K
117law capacity_gate:
118 for a: Array<U32>
119 for +n: Nat
120 for +capacity: U32
121 for invalid: {Nat.is_le(n,Nat.mul(4n,U32.to_nat(capacity))) == False{} : Bool}
122 {K.sized(24n,n,(a,capacity)) == None{} : Maybe<&1,Array<U32>>}