g2_lincomb uses g2_multi_exp

specs/_features/eip7594/polynomial-commitments-sampling.md

@@ -133,9 +133,10 @@ def g2_lincomb(points: Sequence[G2Point], scalars: Sequence[BLSFieldElement]) ->
     BLS multiscalar multiplication in G2. This function can be optimized using Pippenger's algorithm and variants.
     """
     assert len(points) == len(scalars)
-    result = bls.Z2()
-    for x, a in zip(points, scalars):
-        result = bls.add(result, bls.multiply(bls.bytes96_to_G2(x), a))
+    points_g2 = []
+    for point in points:
+        points_g2.append(bls.bytes96_to_G2(point))
+    result = bls.g2_multi_exp(points_g2, scalars)
     return Bytes96(bls.G2_to_bytes96(result))
 ```