diff --git a/evm_contracts/src/lib.rs b/evm_contracts/src/lib.rs
index 712071b1e..ce75d4a76 100644
--- a/evm_contracts/src/lib.rs
+++ b/evm_contracts/src/lib.rs
@@ -1,29 +1,32 @@
+use std::{str::FromStr, sync::Arc};
+
+use anyhow::Error;
 use ethers::{
     contract::abigen,
-    prelude::{Provider, SignerMiddleware, LocalWallet},
+    prelude::{LocalWallet, Provider, SignerMiddleware},
     providers::{Middleware, Ws},
     signers::Signer,
-    types::{H160, U256}
+    types::{H160, U256},
 };
 use tracing_wasm::WASMLayerConfigBuilder;
 use wasm_bindgen::prelude::*;
-use anyhow::Error;
-use std::{str::FromStr, sync::Arc};
-
 
 pub mod utils;
 
 pub const ONE_WEEK: u64 = 604_800;
 
-// Generate rust bindings to our solidity contract 
-abigen!(DIDRegistry, "./src/abi/DIDRegistry.json", derives(serde::Deserialize, serde::Serialize));
+// Generate rust bindings to our solidity contract
+abigen!(
+    DIDRegistry,
+    "./src/abi/DIDRegistry.json",
+    derives(serde::Deserialize, serde::Serialize)
+);
 
 type PrototypeMiddleware = SignerMiddleware<Provider<Ws>, LocalWallet>;
 
 async fn deploy_registry() -> Result<String, Error> {
     utils::set_panic_hook();
-    
-    
+
     tracing::debug!(
         "DIDRegistry ABI {:?}",
         &serde_wasm_bindgen::to_value(&*DIDREGISTRY_ABI).unwrap(),
@@ -41,9 +44,16 @@ async fn deploy_registry() -> Result<String, Error> {
     let client = Arc::new(SignerMiddleware::new(provider, wallet));
 
     tracing::info!("Deploying contract...");
-    
-    let did_contract = DIDRegistry::deploy(client.clone(), ()).unwrap().send().await.unwrap();
-    tracing::info!("🎉Deployment Success!🎉 Deployed contract at address {:?}", did_contract.address());
+
+    let did_contract = DIDRegistry::deploy(client.clone(), ())
+        .unwrap()
+        .send()
+        .await
+        .unwrap();
+    tracing::info!(
+        "🎉Deployment Success!🎉 Deployed contract at address {:?}",
+        did_contract.address()
+    );
 
     Ok(format!("{:x}", did_contract.address()))
 }
@@ -54,13 +64,12 @@ pub fn set_logger() {
         .set_max_level(tracing::Level::INFO)
         .build();
     tracing_wasm::set_as_global_default_with_config(tracing_config);
-} 
-
+}
 
 #[wasm_bindgen]
 pub struct Registry {
     contract: DIDRegistry<PrototypeMiddleware>,
-    signer: Arc<PrototypeMiddleware> 
+    signer: Arc<PrototypeMiddleware>,
 }
 
 /// The registry.
@@ -70,7 +79,9 @@ impl Registry {
     #[wasm_bindgen(constructor)]
     pub async fn new() -> Result<Registry, JsError> {
         // this could be better, but shows how we may accept environment variables from the outside
-        let registry_address = deploy_registry().await.map_err(|e| JsError::new(&e.to_string()))?;
+        let registry_address = deploy_registry()
+            .await
+            .map_err(|e| JsError::new(&e.to_string()))?;
         let endpoint = "ws://127.0.0.1:8545";
         let provider = Provider::<Ws>::connect(endpoint).await?;
         let chain_id = provider.get_chainid().await?;
@@ -86,9 +97,14 @@ impl Registry {
 
         Ok(Self { contract, signer })
     }
-    
+
     pub async fn set_attribute(&self, attribute: String) -> Result<String, JsError> {
-        let tx = self.contract.set_attribute(self.signer.address(), *b"did:eth some attribute0000000000", attribute.as_bytes().to_vec().into(), U256::from(ONE_WEEK));
+        let tx = self.contract.set_attribute(
+            self.signer.address(),
+            *b"did:eth some attribute0000000000",
+            attribute.as_bytes().to_vec().into(),
+            U256::from(ONE_WEEK),
+        );
         let receipt = tx.send().await?.await?;
         tracing::info!("Receipt: {receipt:?}");
         Ok(format!("{receipt:?}"))
diff --git a/evm_contracts/src/utils.rs b/evm_contracts/src/utils.rs
index 474a821db..df0bde0d4 100644
--- a/evm_contracts/src/utils.rs
+++ b/evm_contracts/src/utils.rs
@@ -19,8 +19,10 @@ pub const PHRASE: &str =
     "stuff inherit faith park genre spread huge knee ecology private marble supreme";
 
 pub fn key(index: u32) -> LocalWallet {
-    MnemonicBuilder::<English>::default().phrase(PHRASE).index(index).unwrap().build().unwrap()
+    MnemonicBuilder::<English>::default()
+        .phrase(PHRASE)
+        .index(index)
+        .unwrap()
+        .build()
+        .unwrap()
 }
-
-
-