From 2b13854e0c5dbae61fa343ad7b04d8abad975bf5 Mon Sep 17 00:00:00 2001
From: "nikanor.goreglyad" <nikanor.goreglyad@creativedock.com>
Date: Wed, 17 Jul 2024 14:38:40 +0200
Subject: [PATCH] change in src/lib.cairo

---
 src/amm_core/pricing/lookup_table_cdf.cairo | 5 +++--
 src/amm_core/pricing/option_pricing.cairo   | 3 ++-
 src/lib.cairo                               | 1 +
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/amm_core/pricing/lookup_table_cdf.cairo b/src/amm_core/pricing/lookup_table_cdf.cairo
index be0e2c4..a8e2b90 100644
--- a/src/amm_core/pricing/lookup_table_cdf.cairo
+++ b/src/amm_core/pricing/lookup_table_cdf.cairo
@@ -2,7 +2,7 @@ use array::ArrayTrait;
 use array::SpanTrait;
 
 fn get_std_normal_cdf_table() -> Array<u128> {
-    let mut arr = ArrayTrait::new();
+    let mut arr = ArrayTrait::<u128>::new();
     arr.append(9223372036854775808);
     arr.append(9238090399336028160);
     arr.append(9252808702943967232);
@@ -4003,5 +4003,6 @@ fn get_std_normal_cdf_table() -> Array<u128> {
     arr.append(18446744073709539328);
     arr.append(18446744073709539328);
     arr.append(18446744073709539328);
-    arr.append(18446744073709539328)
+    arr.append(18446744073709539328);
+    arr
 }
diff --git a/src/amm_core/pricing/option_pricing.cairo b/src/amm_core/pricing/option_pricing.cairo
index 6fb3a64..b985e88 100644
--- a/src/amm_core/pricing/option_pricing.cairo
+++ b/src/amm_core/pricing/option_pricing.cairo
@@ -52,6 +52,7 @@ mod OptionPricing {
     //      and that is used for updating prices.
     // @param x: number in Math64x61 form
     // @return Returns std normal cdf value in Math64x61 form
+
     fn std_normal_cdf_dep(x: Fixed) -> Fixed {
         let TWO = FixedTrait::from_unscaled_felt(2);
         let THREE = FixedTrait::from_unscaled_felt(3);
@@ -88,7 +89,7 @@ mod OptionPricing {
             return (FixedTrait::ONE() - dist_symmetric_value);
         };
         let scaled_x = x * FixedTrait::new(4000, false);
-        let index_fixed = scaled_x / FixedTrait::new(147573952589676412928, false); // 2^6
+        let index_fixed = scaled_x / FixedTrait::new(147573952589676412928, false); // 2^67
         let index: usize = index_fixed.try_into().unwrap();
 
         // Ensure index is within bounds
diff --git a/src/lib.cairo b/src/lib.cairo
index c3cc3d9..b3051fb 100644
--- a/src/lib.cairo
+++ b/src/lib.cairo
@@ -17,6 +17,7 @@ mod amm_core {
         mod fees;
         mod option_pricing;
         mod option_pricing_helpers;
+        mod lookup_table_cdf;
     }
     mod peripheries {
         mod view;