diff --git a/substreams/Cargo.lock b/substreams/Cargo.lock
index edd2621..5a41f57 100644
--- a/substreams/Cargo.lock
+++ b/substreams/Cargo.lock
@@ -241,7 +241,7 @@ dependencies = [
 
 [[package]]
 name = "ethereum-curve"
-version = "0.3.0"
+version = "0.3.1"
 dependencies = [
  "anyhow",
  "bytes",
diff --git a/substreams/ethereum-ambient/src/modules/3_map_changes.rs b/substreams/ethereum-ambient/src/modules/3_map_changes.rs
index 70c62d1..92fdaa7 100644
--- a/substreams/ethereum-ambient/src/modules/3_map_changes.rs
+++ b/substreams/ethereum-ambient/src/modules/3_map_changes.rs
@@ -290,7 +290,7 @@ fn map_changes(
                 tx_change
                     .tx
                     .as_ref()
-                    .map_or(false, |tx| tx.hash == tx_hash)
+                    .is_some_and(|tx| tx.hash == tx_hash)
             })
         {
             tx_change
@@ -342,7 +342,7 @@ fn map_changes(
                 tx_change
                     .tx
                     .as_ref()
-                    .map_or(false, |tx| tx.hash == tx_hash)
+                    .is_some_and(|tx| tx.hash == tx_hash)
             })
         {
             tx_change
diff --git a/substreams/ethereum-curve/Cargo.toml b/substreams/ethereum-curve/Cargo.toml
index 7cbf3ea..d966492 100644
--- a/substreams/ethereum-curve/Cargo.toml
+++ b/substreams/ethereum-curve/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ethereum-curve"
-version = "0.3.0"
+version = "0.3.1"
 edition = "2021"
 
 [lib]
diff --git a/substreams/ethereum-curve/src/consts.rs b/substreams/ethereum-curve/src/consts.rs
index 70b321f..25b5de1 100644
--- a/substreams/ethereum-curve/src/consts.rs
+++ b/substreams/ethereum-curve/src/consts.rs
@@ -20,5 +20,10 @@ pub const NEW_SUSD: [u8; 20] = hex!("57ab1ec28d129707052df4df418d58a2d46d5f51");
 pub const TRICRYPTO_2_LP: [u8; 20] = hex!("c4ad29ba4b3c580e6d59105fff484999997675ff");
 pub const TRICRYPTO_2_MATH_CONTRACT: [u8; 20] = hex!("40745803c2faa8e8402e2ae935933d07ca8f355c");
 
-pub const CONTRACTS_TO_INDEX: [[u8; 20]; 4] =
-    [CRYPTO_SWAP_NG_FACTORY, TRICRYPTO_FACTORY, TRICRYPTO_2_LP, TRICRYPTO_2_MATH_CONTRACT];
+pub const CONTRACTS_TO_INDEX: [[u8; 20]; 5] = [
+    CRYPTO_SWAP_NG_FACTORY,
+    TRICRYPTO_FACTORY,
+    TRICRYPTO_2_LP,
+    TRICRYPTO_2_MATH_CONTRACT,
+    TWOCRYPTO_FACTORY,
+];
diff --git a/substreams/ethereum-curve/substreams.yaml b/substreams/ethereum-curve/substreams.yaml
index 32297b7..4100bb6 100644
--- a/substreams/ethereum-curve/substreams.yaml
+++ b/substreams/ethereum-curve/substreams.yaml
@@ -1,7 +1,7 @@
 specVersion: v0.1.0
 package:
   name: "substreams_curve"
-  version: v0.3.0
+  version: v0.3.1
 
 protobuf:
   files: