diff --git a/src/rpc_transaction.rs b/src/rpc_transaction.rs
index 3555613..dd9892e 100644
--- a/src/rpc_transaction.rs
+++ b/src/rpc_transaction.rs
@@ -20,34 +20,34 @@ use crate::transaction::{
 #[derive(Clone, Debug, Deserialize, Eq, PartialEq, Serialize)]
 #[serde(tag = "type")]
 #[serde(deny_unknown_fields)]
-pub enum RPCTransaction {
+pub enum RpcTransaction {
     #[serde(rename = "DECLARE")]
-    Declare(RPCDeclareTransaction),
+    Declare(RpcDeclareTransaction),
     #[serde(rename = "DEPLOY_ACCOUNT")]
-    DeployAccount(RPCDeployAccountTransaction),
+    DeployAccount(RpcDeployAccountTransaction),
     #[serde(rename = "INVOKE")]
-    Invoke(RPCInvokeTransaction),
+    Invoke(RpcInvokeTransaction),
 }
 
 macro_rules! implement_ref_getters {
     ($(($member_name:ident, $member_type:ty)), *) => {
         $(pub fn $member_name(&self) -> &$member_type {
             match self {
-                RPCTransaction::Declare(
-                    RPCDeclareTransaction::V3(tx)
+                RpcTransaction::Declare(
+                    RpcDeclareTransaction::V3(tx)
                 ) => &tx.$member_name,
-                RPCTransaction::DeployAccount(
-                    RPCDeployAccountTransaction::V3(tx)
+                RpcTransaction::DeployAccount(
+                    RpcDeployAccountTransaction::V3(tx)
                 ) => &tx.$member_name,
-                RPCTransaction::Invoke(
-                    RPCInvokeTransaction::V3(tx)
+                RpcTransaction::Invoke(
+                    RpcInvokeTransaction::V3(tx)
                 ) => &tx.$member_name
             }
         })*
     };
 }
 
-impl RPCTransaction {
+impl RpcTransaction {
     implement_ref_getters!(
         (nonce, Nonce),
         (resource_bounds, ResourceBoundsMapping),
@@ -65,9 +65,9 @@ impl RPCTransaction {
 /// [`Starknet specs`]: https://github.com/starkware-libs/starknet-specs/blob/master/api/starknet_api_openrpc.json
 #[derive(Clone, Debug, Deserialize, Eq, PartialEq, Serialize)]
 #[serde(tag = "version")]
-pub enum RPCDeclareTransaction {
+pub enum RpcDeclareTransaction {
     #[serde(rename = "0x3")]
-    V3(RPCDeclareTransactionV3),
+    V3(RpcDeclareTransactionV3),
 }
 
 /// A RPC deploy account transaction.
@@ -78,9 +78,9 @@ pub enum RPCDeclareTransaction {
 /// [`Starknet specs`]: https://github.com/starkware-libs/starknet-specs/blob/master/api/starknet_api_openrpc.json
 #[derive(Clone, Debug, Deserialize, Eq, Hash, Ord, PartialEq, PartialOrd, Serialize)]
 #[serde(tag = "version")]
-pub enum RPCDeployAccountTransaction {
+pub enum RpcDeployAccountTransaction {
     #[serde(rename = "0x3")]
-    V3(RPCDeployAccountTransactionV3),
+    V3(RpcDeployAccountTransactionV3),
 }
 
 /// A RPC invoke transaction.
@@ -91,15 +91,15 @@ pub enum RPCDeployAccountTransaction {
 /// [`Starknet specs`]: https://github.com/starkware-libs/starknet-specs/blob/master/api/starknet_api_openrpc.json
 #[derive(Clone, Debug, Deserialize, Eq, Hash, Ord, PartialEq, PartialOrd, Serialize)]
 #[serde(tag = "version")]
-pub enum RPCInvokeTransaction {
+pub enum RpcInvokeTransaction {
     #[serde(rename = "0x3")]
-    V3(RPCInvokeTransactionV3),
+    V3(RpcInvokeTransactionV3),
 }
 
 /// A declare transaction of a Cairo-v1 contract class that can be added to Starknet through the
 /// RPC.
 #[derive(Clone, Debug, Deserialize, Eq, PartialEq, Serialize)]
-pub struct RPCDeclareTransactionV3 {
+pub struct RpcDeclareTransactionV3 {
     // TODO: Check with Shahak why we need to keep the DeclareType.
     // pub r#type: DeclareType,
     pub sender_address: ContractAddress,
@@ -117,7 +117,7 @@ pub struct RPCDeclareTransactionV3 {
 
 /// A deploy account transaction that can be added to Starknet through the RPC.
 #[derive(Clone, Debug, Deserialize, Eq, Hash, Ord, PartialEq, PartialOrd, Serialize)]
-pub struct RPCDeployAccountTransactionV3 {
+pub struct RpcDeployAccountTransactionV3 {
     pub signature: TransactionSignature,
     pub nonce: Nonce,
     pub class_hash: ClassHash,
@@ -132,7 +132,7 @@ pub struct RPCDeployAccountTransactionV3 {
 
 /// An invoke account transaction that can be added to Starknet through the RPC.
 #[derive(Clone, Debug, Deserialize, Eq, Hash, Ord, PartialEq, PartialOrd, Serialize)]
-pub struct RPCInvokeTransactionV3 {
+pub struct RpcInvokeTransactionV3 {
     pub sender_address: ContractAddress,
     pub calldata: Calldata,
     pub signature: TransactionSignature,
diff --git a/src/rpc_transaction_test.rs b/src/rpc_transaction_test.rs
index 1eac74e..d288a5d 100644
--- a/src/rpc_transaction_test.rs
+++ b/src/rpc_transaction_test.rs
@@ -5,9 +5,9 @@ use starknet_types_core::felt::Felt;
 
 use crate::core::{ClassHash, CompiledClassHash, ContractAddress, Nonce, PatriciaKey};
 use crate::rpc_transaction::{
-    ContractClass, DataAvailabilityMode, RPCDeclareTransaction, RPCDeclareTransactionV3,
-    RPCDeployAccountTransaction, RPCDeployAccountTransactionV3, RPCInvokeTransaction,
-    RPCInvokeTransactionV3, RPCTransaction, ResourceBoundsMapping,
+    ContractClass, DataAvailabilityMode, ResourceBoundsMapping, RpcDeclareTransaction,
+    RpcDeclareTransactionV3, RpcDeployAccountTransaction, RpcDeployAccountTransactionV3,
+    RpcInvokeTransaction, RpcInvokeTransactionV3, RpcTransaction,
 };
 use crate::transaction::{
     AccountDeploymentData, Calldata, ContractAddressSalt, PaymasterData, ResourceBounds, Tip,
@@ -22,8 +22,8 @@ fn create_resource_bounds_for_testing() -> ResourceBoundsMapping {
     }
 }
 
-fn create_declare_v3() -> RPCDeclareTransaction {
-    RPCDeclareTransaction::V3(RPCDeclareTransactionV3 {
+fn create_declare_v3() -> RpcDeclareTransaction {
+    RpcDeclareTransaction::V3(RpcDeclareTransactionV3 {
         contract_class: ContractClass::default(),
         resource_bounds: create_resource_bounds_for_testing(),
         tip: Tip(1),
@@ -38,8 +38,8 @@ fn create_declare_v3() -> RPCDeclareTransaction {
     })
 }
 
-fn create_deploy_account_v3() -> RPCDeployAccountTransaction {
-    RPCDeployAccountTransaction::V3(RPCDeployAccountTransactionV3 {
+fn create_deploy_account_v3() -> RpcDeployAccountTransaction {
+    RpcDeployAccountTransaction::V3(RpcDeployAccountTransactionV3 {
         resource_bounds: create_resource_bounds_for_testing(),
         tip: Tip::default(),
         contract_address_salt: ContractAddressSalt(felt!("0x23")),
@@ -53,8 +53,8 @@ fn create_deploy_account_v3() -> RPCDeployAccountTransaction {
     })
 }
 
-fn create_invoke_v3() -> RPCInvokeTransaction {
-    RPCInvokeTransaction::V3(RPCInvokeTransactionV3 {
+fn create_invoke_v3() -> RpcInvokeTransaction {
+    RpcInvokeTransaction::V3(RpcInvokeTransactionV3 {
         resource_bounds: create_resource_bounds_for_testing(),
         tip: Tip(50),
         calldata: Calldata(Arc::new(vec![felt!("0x2000"), felt!("0x1000")])),
@@ -68,13 +68,13 @@ fn create_invoke_v3() -> RPCInvokeTransaction {
     })
 }
 
-// We are testing the `RPCTransaction` serialization. Passing non-default values.
+// We are testing the `RpcTransaction` serialization. Passing non-default values.
 #[rstest]
-#[case(RPCTransaction::Declare(create_declare_v3()))]
-#[case(RPCTransaction::DeployAccount(create_deploy_account_v3()))]
-#[case(RPCTransaction::Invoke(create_invoke_v3()))]
-fn test_rpc_transactions(#[case] tx: RPCTransaction) {
+#[case(RpcTransaction::Declare(create_declare_v3()))]
+#[case(RpcTransaction::DeployAccount(create_deploy_account_v3()))]
+#[case(RpcTransaction::Invoke(create_invoke_v3()))]
+fn test_rpc_transactions(#[case] tx: RpcTransaction) {
     let serialized = serde_json::to_string(&tx).unwrap();
-    let deserialized: RPCTransaction = serde_json::from_str(&serialized).unwrap();
+    let deserialized: RpcTransaction = serde_json::from_str(&serialized).unwrap();
     assert_eq!(tx, deserialized);
 }
diff --git a/src/transaction.rs b/src/transaction.rs
index a7ab6b6..4a106ff 100644
--- a/src/transaction.rs
+++ b/src/transaction.rs
@@ -953,7 +953,7 @@ pub struct ExecutionResources {
     pub gas_consumed: GasVector,
 }
 
-#[derive(Hash, Debug, Deserialize, Serialize, Clone, Eq, PartialEq)]
+#[derive(Clone, Debug, Deserialize, EnumIter, Eq, Hash, PartialEq, Serialize)]
 pub enum Builtin {
     #[serde(rename = "range_check_builtin_applications")]
     RangeCheck,
@@ -978,3 +978,27 @@ pub enum Builtin {
     #[serde(rename = "range_check96_builtin")]
     RangeCheck96,
 }
+
+const RANGE_CHACK_BUILTIN_NAME: &str = "range_check";
+const PEDERSEN_BUILTIN_NAME: &str = "pedersen";
+const POSEIDON_BUILTIN_NAME: &str = "poseidon";
+const EC_OP_BUILTIN_NAME: &str = "ec_op";
+const ECDSA_BUILTIN_NAME: &str = "ecdsa";
+const BITWISE_BUILTIN_NAME: &str = "bitwise";
+const KECCAK_BUILTIN_NAME: &str = "keccak";
+const SEGMENT_ARENA_BUILTIN_NAME: &str = "segment_arena";
+
+impl Builtin {
+    pub fn name(&self) -> &'static str {
+        match self {
+            Builtin::RangeCheck => RANGE_CHACK_BUILTIN_NAME,
+            Builtin::Pedersen => PEDERSEN_BUILTIN_NAME,
+            Builtin::Poseidon => POSEIDON_BUILTIN_NAME,
+            Builtin::EcOp => EC_OP_BUILTIN_NAME,
+            Builtin::Ecdsa => ECDSA_BUILTIN_NAME,
+            Builtin::Bitwise => BITWISE_BUILTIN_NAME,
+            Builtin::Keccak => KECCAK_BUILTIN_NAME,
+            Builtin::SegmentArena => SEGMENT_ARENA_BUILTIN_NAME,
+        }
+    }
+}