diff --git a/.github/workflows/substream.cd.yaml b/.github/workflows/substream.cd.yaml
index 8e99d96..cafe987 100644
--- a/.github/workflows/substream.cd.yaml
+++ b/.github/workflows/substream.cd.yaml
@@ -9,6 +9,10 @@ on:
       package:
         required: true
         description: "Package to build"
+      config_file:
+        required: false
+        description: "Path to the substreams configuration file"
+        default: "substreams.yaml"
 
 jobs:
   Release:
@@ -42,4 +46,4 @@ jobs:
       - name: Run checks
         run: |
           cd substreams
-          ./release.sh ${{ inputs.package }}
+          ./release.sh ${{ inputs.package }} ${{ inputs.config_file }}
diff --git a/substreams/Cargo.lock b/substreams/Cargo.lock
index b65aee5..d9ccb97 100644
--- a/substreams/Cargo.lock
+++ b/substreams/Cargo.lock
@@ -288,6 +288,25 @@ dependencies = [
  "uint",
 ]
 
+[[package]]
+name = "ethereum-uniswap-v2"
+version = "0.3.0"
+dependencies = [
+ "anyhow",
+ "ethabi 18.0.0",
+ "getrandom",
+ "hex-literal 0.4.1",
+ "itertools 0.12.1",
+ "num-bigint",
+ "prost 0.11.9",
+ "serde",
+ "serde_qs",
+ "substreams",
+ "substreams-ethereum",
+ "substreams-helper",
+ "tycho-substreams",
+]
+
 [[package]]
 name = "fastrand"
 version = "2.0.1"
@@ -1039,25 +1058,6 @@ dependencies = [
  "syn 1.0.109",
 ]
 
-[[package]]
-name = "substreams-ethereum-uniswap-v2"
-version = "0.2.1"
-dependencies = [
- "anyhow",
- "ethabi 18.0.0",
- "getrandom",
- "hex-literal 0.4.1",
- "itertools 0.12.1",
- "num-bigint",
- "prost 0.11.9",
- "serde",
- "serde_qs",
- "substreams",
- "substreams-ethereum",
- "substreams-helper",
- "tycho-substreams",
-]
-
 [[package]]
 name = "substreams-ethereum-uniswap-v3"
 version = "0.2.1"
diff --git a/substreams/ethereum-uniswap-v2/Cargo.toml b/substreams/ethereum-uniswap-v2/Cargo.toml
index 1979ddd..3cd92be 100644
--- a/substreams/ethereum-uniswap-v2/Cargo.toml
+++ b/substreams/ethereum-uniswap-v2/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
-name = "substreams-ethereum-uniswap-v2"
-version = "0.2.1"
+name = "ethereum-uniswap-v2"
+version = "0.3.0"
 edition = "2021"
 
 [lib]
diff --git a/substreams/ethereum-uniswap-v2/ethereum-uniswap-v2.yaml b/substreams/ethereum-uniswap-v2/ethereum-uniswap-v2.yaml
index 3c247a6..47f5b6b 100644
--- a/substreams/ethereum-uniswap-v2/ethereum-uniswap-v2.yaml
+++ b/substreams/ethereum-uniswap-v2/ethereum-uniswap-v2.yaml
@@ -1,7 +1,7 @@
 specVersion: v0.1.0
 package:
   name: "ethereum_uniswap_v2"
-  version: v0.2.1
+  version: v0.3.0
 
 protobuf:
   files:
@@ -15,7 +15,7 @@ protobuf:
 binaries:
   default:
     type: wasm/rust-v1
-    file: ../../target/wasm32-unknown-unknown/substreams/ethereum_uniswap_v2.wasm
+    file: ../target/wasm32-unknown-unknown/release/ethereum_uniswap_v2.wasm
 
 modules:
   - name: map_pools_created
diff --git a/substreams/ethereum-uniswap-v2/src/modules/1_map_pool_created.rs b/substreams/ethereum-uniswap-v2/src/modules/1_map_pool_created.rs
index 236a427..fe11ffe 100644
--- a/substreams/ethereum-uniswap-v2/src/modules/1_map_pool_created.rs
+++ b/substreams/ethereum-uniswap-v2/src/modules/1_map_pool_created.rs
@@ -46,12 +46,12 @@ fn get_pools(block: &eth::Block, new_pools: &mut Vec<TransactionChanges>, params
                 attributes: vec![
                     Attribute {
                         name: "reserve0".to_string(),
-                        value: BigInt::from(0).to_signed_bytes_le(),
+                        value: BigInt::from(0).to_signed_bytes_be(),
                         change: ChangeType::Creation.into(),
                     },
                     Attribute {
                         name: "reserve1".to_string(),
-                        value: BigInt::from(0).to_signed_bytes_le(),
+                        value: BigInt::from(0).to_signed_bytes_be(),
                         change: ChangeType::Creation.into(),
                     },
                 ],
@@ -64,7 +64,7 @@ fn get_pools(block: &eth::Block, new_pools: &mut Vec<TransactionChanges>, params
                     // Trading Fee is hardcoded to 0.3%, saved as int in bps (basis points)
                     Attribute {
                         name: "fee".to_string(),
-                        value: BigInt::from(30).to_signed_bytes_le(),
+                        value: BigInt::from(30).to_signed_bytes_be(),
                         change: ChangeType::Creation.into(),
                     },
                     Attribute {
diff --git a/substreams/ethereum-uniswap-v2/src/modules/3_map_pool_events.rs b/substreams/ethereum-uniswap-v2/src/modules/3_map_pool_events.rs
index 5c428fa..8584913 100644
--- a/substreams/ethereum-uniswap-v2/src/modules/3_map_pool_events.rs
+++ b/substreams/ethereum-uniswap-v2/src/modules/3_map_pool_events.rs
@@ -104,7 +104,7 @@ fn handle_sync(
                     name: attribute_name,
                     value: reserve_bytes
                         .clone()
-                        .to_signed_bytes_le(), //TODO: Unify bytes encoding (either be or le)
+                        .to_signed_bytes_be(),
                     change: ChangeType::Update.into(),
                 },
             );
diff --git a/substreams/release.sh b/substreams/release.sh
index e011e95..7c55b91 100755
--- a/substreams/release.sh
+++ b/substreams/release.sh
@@ -16,7 +16,7 @@ if [ -n "$current_tag" ]; then
         # Semantic version
         version="${BASH_REMATCH[2]}"
 
-        cargo_version=$(cargo pkgid -p ethereum-balancer | cut -d# -f2 | cut -d: -f2)
+        cargo_version=$(cargo pkgid -p "$package" | cut -d# -f2 | cut -d: -f2)
         if [[ "$cargo_version" != "$version" ]]; then
           echo "Error: Cargo version: ${cargo_version} does not match tag version: ${version}!"
           exit 1
@@ -52,9 +52,18 @@ fi
 REPOSITORY=${REPOSITORY:-"s3://repo.propellerheads/substreams"}
 repository_path="$REPOSITORY/$package/$package-$version.spkg"
 
+# Optional input for yaml file; defaults to substreams.yaml if not provided
+yaml_file=${2:-"substreams.yaml"}
+
+if [[ ! -f "$package/$yaml_file" ]]; then
+    echo "Error: manifest reader: unable to stat input file $yaml_file: file does not exist."
+    exit 1
+fi
+
+set -e  # Exit the script if any command fails
 cargo build --target wasm32-unknown-unknown --release -p "$package"
 mkdir -p ./target/spkg/
-substreams pack $package/substreams.yaml -o ./target/spkg/$package-$version.spkg
+substreams pack "$package/$yaml_file" -o ./target/spkg/$package-$version.spkg
 aws s3 cp ./target/spkg/$package-$version.spkg $repository_path
 
-echo "Released substreams package: '$repository_path'"
\ No newline at end of file
+echo "Released substreams package: '$repository_path'"