diff --git a/.github/workflows/scarb.yml b/.github/workflows/scarb.yml
new file mode 100644
index 0000000..8dd7c10
--- /dev/null
+++ b/.github/workflows/scarb.yml
@@ -0,0 +1,14 @@
+name: Scarb Test
+on:
+  push:
+  pull_request:
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: software-mansion/setup-scarb@v1
+        with:
+          scarb-version: "0.5.1"
+      - run: scarb fmt --check
+      - run: scarb test
diff --git a/scripts/src/approve.rs b/scripts/src/approve.rs
index d96aa73..177606d 100644
--- a/scripts/src/approve.rs
+++ b/scripts/src/approve.rs
@@ -23,17 +23,17 @@ pub async fn approve() -> Result<()> {
     let chain_id = provider.chain_id().await.unwrap();
 
     let dai_address = FieldElement::from_hex_be(
-        "0x03e85bfbb8e2a42b7bead9e88e9a1b19dbccf661471061807292120462396ec9",
+        "0x00da114221cb83fa859dbdb4c44beeaa0bb37c7537ad5ae66fe5e0efd20e6eb3",
     )
     .unwrap();
 
     let usdc_address = FieldElement::from_hex_be(
-        "0x005a643907b9a4bc6a55e9069c4fd5fd1f5c79a22470690f75556c4736e34426",
+        "0x053c91253bc9682c04929ca02ed00b3e423f6710d2ee7e0d5ebb06f3ecf368a8",
     )
     .unwrap();
 
-    let remover_address = FieldElement::from_hex_be(
-        "0x0134774cc62dd610ac2280730561e1462868c558c1e6ce56b046358a8610c7ef",
+    let sender_address = FieldElement::from_hex_be(
+        "0x02058f6050454efcde895decc689bc9458571091f5314b45b9aa123a9f00eb4a",
     )
     .unwrap();
 
@@ -55,7 +55,7 @@ pub async fn approve() -> Result<()> {
         to: dai_address,
         selector: get_selector_from_name("approve").unwrap(),
         calldata: vec![
-            remover_address,
+            sender_address,
             FieldElement::from_hex_be("0xffffffffffffffffffffffffffffffff").unwrap(),
             FieldElement::from_hex_be("0xffffffffffffffffffffffffffffffff").unwrap(),
         ],
@@ -65,7 +65,7 @@ pub async fn approve() -> Result<()> {
         to: usdc_address,
         selector: get_selector_from_name("approve").unwrap(),
         calldata: vec![
-            remover_address,
+            sender_address,
             FieldElement::from_hex_be("0xffffffffffffffffffffffffffffffff").unwrap(),
             FieldElement::from_hex_be("0xffffffffffffffffffffffffffffffff").unwrap(),
         ],
@@ -73,6 +73,7 @@ pub async fn approve() -> Result<()> {
 
     let result = account
         .execute(vec![approve_dai_call, approve_usdc_call])
+        .fee_estimate_multiplier(3.0)
         .send()
         .await
         .unwrap();
diff --git a/scripts/src/multisend.rs b/scripts/src/multisend.rs
index 2ddd9c8..b272f8f 100644
--- a/scripts/src/multisend.rs
+++ b/scripts/src/multisend.rs
@@ -23,7 +23,7 @@ pub async fn multisend() -> Result<()> {
     let chain_id = provider.chain_id().await.unwrap();
 
     let dai_address = FieldElement::from_hex_be(
-        "0x03e85bfbb8e2a42b7bead9e88e9a1b19dbccf661471061807292120462396ec9",
+        "0x00da114221cb83fa859dbdb4c44beeaa0bb37c7537ad5ae66fe5e0efd20e6eb3",
     )
     .unwrap();
 
@@ -33,7 +33,7 @@ pub async fn multisend() -> Result<()> {
     // .unwrap();
 
     let token_sender_address = FieldElement::from_hex_be(
-        "0x0134774cc62dd610ac2280730561e1462868c558c1e6ce56b046358a8610c7ef",
+        "0x02058f6050454efcde895decc689bc9458571091f5314b45b9aa123a9f00eb4a",
     )
     .unwrap();
 
diff --git a/src/tests/test_erc20.cairo b/src/tests/test_erc20.cairo
index 5c5f5d3..d40f899 100644
--- a/src/tests/test_erc20.cairo
+++ b/src/tests/test_erc20.cairo
@@ -115,7 +115,7 @@ mod erc20_test {
             @starknet::Event::deserialize(ref keys, ref data).unwrap(),
             @Event::Transfer(Transfer { from: account, to: recipient, value: amount }),
             'event == Transfer'
-            );
+        );
     }
 
     fn get_timestamp() -> u64 {