feat: remove paymaster during call gas estimation (#1130)

Author: dancoombs

crates/sim/src/estimation/v0_6.rs

@@ -433,6 +433,7 @@ impl CallGasEstimatorSpecialization for CallGasEstimatorSpecializationV06 {
 
     fn get_op_with_no_call_gas(&self, op: Self::UO) -> Self::UO {
         UserOperationBuilder::from_uo(op, &self.chain_spec)
+            .clear_paymaster()
             .call_gas_limit(0)
             .max_fee_per_gas(0)
             .build()

crates/sim/src/estimation/v0_7.rs

@@ -508,6 +508,7 @@ impl CallGasEstimatorSpecialization for CallGasEstimatorSpecializationV07 {
 
     fn get_op_with_no_call_gas(&self, op: Self::UO) -> Self::UO {
         UserOperationBuilder::from_uo(op, &self.chain_spec)
+            .clear_paymaster()
             .call_gas_limit(0)
             .max_fee_per_gas(0)
             .build()

crates/types/src/user_operation/v0_6.rs

@@ -884,6 +884,12 @@ impl<'a> UserOperationBuilder<'a> {
         self
     }
 
+    /// Clears the paymaster and data
+    pub fn clear_paymaster(mut self) -> Self {
+        self.required.paymaster_and_data = Bytes::new();
+        self
+    }
+
     /// Build the user operation
     pub fn build(self) -> UserOperation {
         let mut uo = UserOperation {

crates/types/src/user_operation/v0_7.rs

@@ -900,6 +900,15 @@ impl<'a> UserOperationBuilder<'a> {
         self
     }
 
+    /// Clears the paymaster and associated fields
+    pub fn clear_paymaster(mut self) -> Self {
+        self.paymaster = None;
+        self.paymaster_verification_gas_limit = 0;
+        self.paymaster_post_op_gas_limit = 0;
+        self.paymaster_data = Bytes::new();
+        self
+    }
+
     /// Sets the pre-verification gas
     pub fn pre_verification_gas(mut self, pre_verification_gas: u128) -> Self {
         self.required.pre_verification_gas = pre_verification_gas;